diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/Kconfig | 296 | ||||
| -rw-r--r-- | drivers/misc/Makefile | 14 | ||||
| -rw-r--r-- | drivers/misc/acer-wmi.c | 1345 | ||||
| -rw-r--r-- | drivers/misc/asus-laptop.c | 1266 | ||||
| -rw-r--r-- | drivers/misc/compal-laptop.c | 406 | ||||
| -rw-r--r-- | drivers/misc/dell-laptop.c | 436 | ||||
| -rw-r--r-- | drivers/misc/eeepc-laptop.c | 872 | ||||
| -rw-r--r-- | drivers/misc/enclosure.c | 8 | ||||
| -rw-r--r-- | drivers/misc/fujitsu-laptop.c | 1126 | ||||
| -rw-r--r-- | drivers/misc/hp-wmi.c | 512 | ||||
| -rw-r--r-- | drivers/misc/intel_menlow.c | 536 | ||||
| -rw-r--r-- | drivers/misc/msi-laptop.c | 437 | ||||
| -rw-r--r-- | drivers/misc/panasonic-laptop.c | 766 | ||||
| -rw-r--r-- | drivers/misc/sgi-xp/xpnet.c | 68 | ||||
| -rw-r--r-- | drivers/misc/sony-laptop.c | 2781 | ||||
| -rw-r--r-- | drivers/misc/tc1100-wmi.c | 290 | ||||
| -rw-r--r-- | drivers/misc/thinkpad_acpi.c | 6949 |
17 files changed, 475 insertions, 17633 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index fee7304102a..419c378bd24 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -120,7 +120,7 @@ config TIFM_CORE cards are supported via 'MMC/SD Card support: TI Flash Media MMC/SD Interface support (MMC_TIFM_SD)'. - To compile this driver as a module, choose M here: the module will + To compile this driver as a module, choose M here: the module will be called tifm_core. config TIFM_7XX1 @@ -133,100 +133,9 @@ config TIFM_7XX1 To make actual use of the device, you will have to select some flash card format drivers, as outlined in the TIFM_CORE Help. - To compile this driver as a module, choose M here: the module will + To compile this driver as a module, choose M here: the module will be called tifm_7xx1. -config ACER_WMI - tristate "Acer WMI Laptop Extras (EXPERIMENTAL)" - depends on X86 - depends on EXPERIMENTAL - depends on ACPI - depends on LEDS_CLASS - depends on NEW_LEDS - depends on BACKLIGHT_CLASS_DEVICE - depends on SERIO_I8042 - depends on RFKILL - select ACPI_WMI - ---help--- - This is a driver for newer Acer (and Wistron) laptops. It adds - wireless radio and bluetooth control, and on some laptops, - exposes the mail LED and LCD backlight. - - For more information about this driver see - <file:Documentation/laptops/acer-wmi.txt> - - If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M - here. - -config ASUS_LAPTOP - tristate "Asus Laptop Extras (EXPERIMENTAL)" - depends on X86 - depends on ACPI - depends on EXPERIMENTAL && !ACPI_ASUS - depends on LEDS_CLASS - depends on NEW_LEDS - depends on BACKLIGHT_CLASS_DEVICE - ---help--- - This is the new Linux driver for Asus laptops. It may also support some - MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate - standard ACPI events that go through /proc/acpi/events. It also adds - support for video output switching, LCD backlight control, Bluetooth and - Wlan control, and most importantly, allows you to blink those fancy LEDs. - - For more information and a userspace daemon for handling the extra - buttons see <http://acpi4asus.sf.net/>. - - If you have an ACPI-compatible ASUS laptop, say Y or M here. - -config FUJITSU_LAPTOP - tristate "Fujitsu Laptop Extras" - depends on X86 - depends on ACPI - depends on INPUT - depends on BACKLIGHT_CLASS_DEVICE - ---help--- - This is a driver for laptops built by Fujitsu: - - * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks - * Possibly other Fujitsu laptop models - * Tested with S6410 and S7020 - - It adds support for LCD brightness control and some hotkeys. - - If you have a Fujitsu laptop, say Y or M here. - -config FUJITSU_LAPTOP_DEBUG - bool "Verbose debug mode for Fujitsu Laptop Extras" - depends on FUJITSU_LAPTOP - default n - ---help--- - Enables extra debug output from the fujitsu extras driver, at the - expense of a slight increase in driver size. - - If you are not sure, say N here. - -config TC1100_WMI - tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)" - depends on X86 && !X86_64 - depends on EXPERIMENTAL - depends on ACPI - select ACPI_WMI - ---help--- - This is a driver for the WMI extensions (wireless and bluetooth power - control) of the HP Compaq TC1100 tablet. - -config HP_WMI - tristate "HP WMI extras" - depends on ACPI_WMI - depends on INPUT - depends on RFKILL - help - Say Y here if you want to support WMI-based hotkeys on HP laptops and - to read data from WMI such as docking or ambient light sensor state. - - To compile this driver as a module, choose M here: the module will - be called hp-wmi. - config ICS932S401 tristate "Integrated Circuits ICS932S401" depends on I2C && EXPERIMENTAL @@ -237,170 +146,6 @@ config ICS932S401 This driver can also be built as a module. If so, the module will be called ics932s401. -config MSI_LAPTOP - tristate "MSI Laptop Extras" - depends on X86 - depends on ACPI - depends on BACKLIGHT_CLASS_DEVICE - ---help--- - This is a driver for laptops built by MSI (MICRO-STAR - INTERNATIONAL): - - MSI MegaBook S270 (MS-1013) - Cytron/TCM/Medion/Tchibo MD96100/SAM2000 - - It adds support for Bluetooth, WLAN and LCD brightness control. - - More information about this driver is available at - <http://0pointer.de/lennart/tchibo.html>. - - If you have an MSI S270 laptop, say Y or M here. - -config PANASONIC_LAPTOP - tristate "Panasonic Laptop Extras" - depends on X86 && INPUT && ACPI - depends on BACKLIGHT_CLASS_DEVICE - ---help--- - This driver adds support for access to backlight control and hotkeys - on Panasonic Let's Note laptops. - - If you have a Panasonic Let's note laptop (such as the R1(N variant), - R2, R3, R5, T2, W2 and Y2 series), say Y. - -config COMPAL_LAPTOP - tristate "Compal Laptop Extras" - depends on X86 - depends on ACPI - depends on BACKLIGHT_CLASS_DEVICE - ---help--- - This is a driver for laptops built by Compal: - - Compal FL90/IFL90 - Compal FL91/IFL91 - Compal FL92/JFL92 - Compal FT00/IFT00 - - It adds support for Bluetooth, WLAN and LCD brightness control. - - If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here. - -config SONY_LAPTOP - tristate "Sony Laptop Extras" - depends on X86 && ACPI - select BACKLIGHT_CLASS_DEVICE - depends on INPUT - ---help--- - This mini-driver drives the SNC and SPIC devices present in the ACPI - BIOS of the Sony Vaio laptops. - - It gives access to some extra laptop functionalities like Bluetooth, - screen brightness control, Fn keys and allows powering on/off some - devices. - - Read <file:Documentation/laptops/sony-laptop.txt> for more information. - -config SONYPI_COMPAT - bool "Sonypi compatibility" - depends on SONY_LAPTOP - ---help--- - Build the sonypi driver compatibility code into the sony-laptop driver. - -config THINKPAD_ACPI - tristate "ThinkPad ACPI Laptop Extras" - depends on X86 && ACPI - select BACKLIGHT_LCD_SUPPORT - select BACKLIGHT_CLASS_DEVICE - select HWMON - select NVRAM - select INPUT - select NEW_LEDS - select LEDS_CLASS - select NET - select RFKILL - ---help--- - This is a driver for the IBM and Lenovo ThinkPad laptops. It adds - support for Fn-Fx key combinations, Bluetooth control, video - output switching, ThinkLight control, UltraBay eject and more. - For more information about this driver see - <file:Documentation/laptops/thinkpad-acpi.txt> and - <http://ibm-acpi.sf.net/> . - - This driver was formerly known as ibm-acpi. - - If you have an IBM or Lenovo ThinkPad laptop, say Y or M here. - -config THINKPAD_ACPI_DEBUG - bool "Verbose debug mode" - depends on THINKPAD_ACPI - default n - ---help--- - Enables extra debugging information, at the expense of a slightly - increase in driver size. - - If you are not sure, say N here. - -config THINKPAD_ACPI_DOCK - bool "Legacy Docking Station Support" - depends on THINKPAD_ACPI - depends on ACPI_DOCK=n - default n - ---help--- - Allows the thinkpad_acpi driver to handle docking station events. - This support was made obsolete by the generic ACPI docking station - support (CONFIG_ACPI_DOCK). It will allow locking and removing the - laptop from the docking station, but will not properly connect PCI - devices. - - If you are not sure, say N here. - -config THINKPAD_ACPI_BAY - bool "Legacy Removable Bay Support" - depends on THINKPAD_ACPI - default y - ---help--- - Allows the thinkpad_acpi driver to handle removable bays. It will - electrically disable the device in the bay, and also generate - notifications when the bay lever is ejected or inserted. - - If you are not sure, say Y here. - -config THINKPAD_ACPI_VIDEO - bool "Video output control support" - depends on THINKPAD_ACPI - default y - ---help--- - Allows the thinkpad_acpi driver to provide an interface to control - the various video output ports. - - This feature often won't work well, depending on ThinkPad model, - display state, video output devices in use, whether there is a X - server running, phase of the moon, and the current mood of - Schroedinger's cat. If you can use X.org's RandR to control - your ThinkPad's video output ports instead of this feature, - don't think twice: do it and say N here to save some memory. - - If you are not sure, say Y here. - -config THINKPAD_ACPI_HOTKEY_POLL - bool "Support NVRAM polling for hot keys" - depends on THINKPAD_ACPI - default y - ---help--- - Some thinkpad models benefit from NVRAM polling to detect a few of - the hot key press events. If you know your ThinkPad model does not - need to do NVRAM polling to support any of the hot keys you use, - unselecting this option will save about 1kB of memory. - - ThinkPads T40 and newer, R52 and newer, and X31 and newer are - unlikely to need NVRAM polling in their latest BIOS versions. - - NVRAM polling can detect at most the following keys: ThinkPad/Access - IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute, - Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12). - - If you are not sure, say Y here. The driver enables polling only if - it is strictly necessary to do so. - config ATMEL_SSC tristate "Device driver for Atmel SSC peripheral" depends on AVR32 || ARCH_AT91 @@ -413,31 +158,6 @@ config ATMEL_SSC If unsure, say N. -config INTEL_MENLOW - tristate "Thermal Management driver for Intel menlow platform" - depends on ACPI_THERMAL - select THERMAL - depends on X86 - ---help--- - ACPI thermal management enhancement driver on - Intel Menlow platform. - - If unsure, say N. - -config EEEPC_LAPTOP - tristate "Eee PC Hotkey Driver (EXPERIMENTAL)" - depends on X86 - depends on ACPI - depends on BACKLIGHT_CLASS_DEVICE - depends on HWMON - depends on EXPERIMENTAL - depends on RFKILL - ---help--- - This driver supports the Fn-Fx keys on Eee PC laptops. - It also adds the ability to switch camera/wlan on/off. - - If you have an Eee PC laptop, say Y or M here. - config ENCLOSURE_SERVICES tristate "Enclosure Services" default n @@ -498,6 +218,18 @@ config SGI_GRU_DEBUG This option enables addition debugging code for the SGI GRU driver. If you are unsure, say N. +config DELL_LAPTOP + tristate "Dell Laptop Extras (EXPERIMENTAL)" + depends on X86 + depends on DCDBAS + depends on EXPERIMENTAL + depends on BACKLIGHT_CLASS_DEVICE + depends on RFKILL + default n + ---help--- + This driver adds support for rfkill and backlight control to Dell + laptops. + source "drivers/misc/c2port/Kconfig" endif # MISC_DEVICES diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 817f7f5ab3b..9cf8ae6e4b3 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -1,32 +1,20 @@ # # Makefile for misc devices that really don't fit anywhere else. # -obj- := misc.o # Dummy rule to force built-in.o to be made obj-$(CONFIG_IBM_ASM) += ibmasm/ obj-$(CONFIG_HDPU_FEATURES) += hdpuftrs/ -obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o -obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o -obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o -obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o -obj-$(CONFIG_ACER_WMI) += acer-wmi.o obj-$(CONFIG_ATMEL_PWM) += atmel_pwm.o obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o -obj-$(CONFIG_HP_WMI) += hp-wmi.o obj-$(CONFIG_ICS932S401) += ics932s401.o -obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o obj-$(CONFIG_LKDTM) += lkdtm.o obj-$(CONFIG_TIFM_CORE) += tifm_core.o +obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o obj-$(CONFIG_PHANTOM) += phantom.o obj-$(CONFIG_SGI_IOC4) += ioc4.o -obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o -obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o -obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o -obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o -obj-$(CONFIG_INTEL_MENLOW) += intel_menlow.o obj-$(CONFIG_ENCLOSURE_SERVICES) += enclosure.o obj-$(CONFIG_KGDB_TESTS) += kgdbts.o obj-$(CONFIG_SGI_XP) += sgi-xp/ diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c deleted file mode 100644 index 94c9f911824..00000000000 --- a/drivers/misc/acer-wmi.c +++ /dev/null @@ -1,1345 +0,0 @@ -/* - * Acer WMI Laptop Extras - * - * Copyright (C) 2007-2008 Carlos Corbacho <carlos@strangeworlds.co.uk> - * - * Based on acer_acpi: - * Copyright (C) 2005-2007 E.M. Smith - * Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/dmi.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/leds.h> -#include <linux/platform_device.h> -#include <linux/acpi.h> -#include <linux/i8042.h> -#include <linux/rfkill.h> -#include <linux/workqueue.h> -#include <linux/debugfs.h> - -#include <acpi/acpi_drivers.h> - -MODULE_AUTHOR("Carlos Corbacho"); -MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver"); -MODULE_LICENSE("GPL"); - -#define ACER_LOGPREFIX "acer-wmi: " -#define ACER_ERR KERN_ERR ACER_LOGPREFIX -#define ACER_NOTICE KERN_NOTICE ACER_LOGPREFIX -#define ACER_INFO KERN_INFO ACER_LOGPREFIX - -/* - * The following defines quirks to get some specific functions to work - * which are known to not be supported over ACPI-WMI (such as the mail LED - * on WMID based Acer's) - */ -struct acer_quirks { - const char *vendor; - const char *model; - u16 quirks; -}; - -/* - * Magic Number - * Meaning is unknown - this number is required for writing to ACPI for AMW0 - * (it's also used in acerhk when directly accessing the BIOS) - */ -#define ACER_AMW0_WRITE 0x9610 - -/* - * Bit masks for the AMW0 interface - */ -#define ACER_AMW0_WIRELESS_MASK 0x35 -#define ACER_AMW0_BLUETOOTH_MASK 0x34 -#define ACER_AMW0_MAILLED_MASK 0x31 - -/* - * Method IDs for WMID interface - */ -#define ACER_WMID_GET_WIRELESS_METHODID 1 -#define ACER_WMID_GET_BLUETOOTH_METHODID 2 -#define ACER_WMID_GET_BRIGHTNESS_METHODID 3 -#define ACER_WMID_SET_WIRELESS_METHODID 4 -#define ACER_WMID_SET_BLUETOOTH_METHODID 5 -#define ACER_WMID_SET_BRIGHTNESS_METHODID 6 -#define ACER_WMID_GET_THREEG_METHODID 10 -#define ACER_WMID_SET_THREEG_METHODID 11 - -/* - * Acer ACPI method GUIDs - */ -#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" -#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" -#define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3" -#define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A" - -MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); -MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"); - -/* Temporary workaround until the WMI sysfs interface goes in */ -MODULE_ALIAS("dmi:*:*Acer*:*:"); - -/* - * Interface capability flags - */ -#define ACER_CAP_MAILLED (1<<0) -#define ACER_CAP_WIRELESS (1<<1) -#define ACER_CAP_BLUETOOTH (1<<2) -#define ACER_CAP_BRIGHTNESS (1<<3) -#define ACER_CAP_THREEG (1<<4) -#define ACER_CAP_ANY (0xFFFFFFFF) - -/* - * Interface type flags - */ -enum interface_flags { - ACER_AMW0, - ACER_AMW0_V2, - ACER_WMID, -}; - -#define ACER_DEFAULT_WIRELESS 0 -#define ACER_DEFAULT_BLUETOOTH 0 -#define ACER_DEFAULT_MAILLED 0 -#define ACER_DEFAULT_THREEG 0 - -static int max_brightness = 0xF; - -static int mailled = -1; -static int brightness = -1; -static int threeg = -1; -static int force_series; - -module_param(mailled, int, 0444); -module_param(brightness, int, 0444); -module_param(threeg, int, 0444); -module_param(force_series, int, 0444); -MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); -MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); -MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); -MODULE_PARM_DESC(force_series, "Force a different laptop series"); - -struct acer_data { - int mailled; - int threeg; - int brightness; -}; - -struct acer_debug { - struct dentry *root; - struct dentry *devices; - u32 wmid_devices; -}; - -static struct rfkill *wireless_rfkill; -static struct rfkill *bluetooth_rfkill; - -/* Each low-level interface must define at least some of the following */ -struct wmi_interface { - /* The WMI device type */ - u32 type; - - /* The capabilities this interface provides */ - u32 capability; - - /* Private data for the current interface */ - struct acer_data data; - - /* debugfs entries associated with this interface */ - struct acer_debug debug; -}; - -/* The static interface pointer, points to the currently detected interface */ -static struct wmi_interface *interface; - -/* - * Embedded Controller quirks - * Some laptops require us to directly access the EC to either enable or query - * features that are not available through WMI. - */ - -struct quirk_entry { - u8 wireless; - u8 mailled; - s8 brightness; - u8 bluetooth; -}; - -static struct quirk_entry *quirks; - -static void set_quirks(void) -{ - if (!interface) - return; - - if (quirks->mailled) - interface->capability |= ACER_CAP_MAILLED; - - if (quirks->brightness) - interface->capability |= ACER_CAP_BRIGHTNESS; -} - -static int dmi_matched(const struct dmi_system_id *dmi) -{ - quirks = dmi->driver_data; - return 0; -} - -static struct quirk_entry quirk_unknown = { -}; - -static struct quirk_entry quirk_acer_aspire_1520 = { - .brightness = -1, -}; - -static struct quirk_entry quirk_acer_travelmate_2490 = { - .mailled = 1, -}; - -/* This AMW0 laptop has no bluetooth */ -static struct quirk_entry quirk_medion_md_98300 = { - .wireless = 1, -}; - -static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { - .wireless = 2, -}; - -static struct dmi_system_id acer_quirks[] = { - { - .callback = dmi_matched, - .ident = "Acer Aspire 1360", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), - }, - .driver_data = &quirk_acer_aspire_1520, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 1520", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), - }, - .driver_data = &quirk_acer_aspire_1520, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 3100", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 3610", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5100", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5610", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5630", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5650", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 5680", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer Aspire 9110", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer TravelMate 2490", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Acer TravelMate 4200", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Acer"), - DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"), - }, - .driver_data = &quirk_acer_travelmate_2490, - }, - { - .callback = dmi_matched, - .ident = "Fujitsu Siemens Amilo Li 1718", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), - }, - .driver_data = &quirk_fujitsu_amilo_li_1718, - }, - { - .callback = dmi_matched, - .ident = "Medion MD 98300", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), - DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"), - }, - .driver_data = &quirk_medion_md_98300, - }, - {} -}; - -/* Find which quirks are needed for a particular vendor/ model pair */ -static void find_quirks(void) -{ - if (!force_series) { - dmi_check_system(acer_quirks); - } else if (force_series == 2490) { - quirks = &quirk_acer_travelmate_2490; - } - - if (quirks == NULL) - quirks = &quirk_unknown; - - set_quirks(); -} - -/* - * General interface convenience methods - */ - -static bool has_cap(u32 cap) -{ - if ((interface->capability & cap) != 0) - return 1; - - return 0; -} - -/* - * AMW0 (V1) interface - */ -struct wmab_args { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; -}; - -struct wmab_ret { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; - u32 eex; -}; - -static acpi_status wmab_execute(struct wmab_args *regbuf, -struct acpi_buffer *result) -{ - struct acpi_buffer input; - acpi_status status; - input.length = sizeof(struct wmab_args); - input.pointer = (u8 *)regbuf; - - status = wmi_evaluate_method(AMW0_GUID1, 1, 1, &input, result); - - return status; -} - -static acpi_status AMW0_get_u32(u32 *value, u32 cap, -struct wmi_interface *iface) -{ - int err; - u8 result; - - switch (cap) { - case ACER_CAP_MAILLED: - switch (quirks->mailled) { - default: - err = ec_read(0xA, &result); - if (err) - return AE_ERROR; - *value = (result >> 7) & 0x1; - return AE_OK; - } - break; - case ACER_CAP_WIRELESS: - switch (quirks->wireless) { - case 1: - err = ec_read(0x7B, &result); - if (err) - return AE_ERROR; - *value = result & 0x1; - return AE_OK; - case 2: - err = ec_read(0x71, &result); - if (err) - return AE_ERROR; - *value = result & 0x1; - return AE_OK; - default: - err = ec_read(0xA, &result); - if (err) - return AE_ERROR; - *value = (result >> 2) & 0x1; - return AE_OK; - } - break; - case ACER_CAP_BLUETOOTH: - switch (quirks->bluetooth) { - default: - err = ec_read(0xA, &result); - if (err) - return AE_ERROR; - *value = (result >> 4) & 0x1; - return AE_OK; - } - break; - case ACER_CAP_BRIGHTNESS: - switch (quirks->brightness) { - default: - err = ec_read(0x83, &result); - if (err) - return AE_ERROR; - *value = result; - return AE_OK; - } - break; - default: - return AE_ERROR; - } - return AE_OK; -} - -static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface) -{ - struct wmab_args args; - - args.eax = ACER_AMW0_WRITE; - args.ebx = value ? (1<<8) : 0; - args.ecx = args.edx = 0; - - switch (cap) { - case ACER_CAP_MAILLED: - if (value > 1) - return AE_BAD_PARAMETER; - args.ebx |= ACER_AMW0_MAILLED_MASK; - break; - case ACER_CAP_WIRELESS: - if (value > 1) - return AE_BAD_PARAMETER; - args.ebx |= ACER_AMW0_WIRELESS_MASK; - break; - case ACER_CAP_BLUETOOTH: - if (value > 1) - return AE_BAD_PARAMETER; - args.ebx |= ACER_AMW0_BLUETOOTH_MASK; - break; - case ACER_CAP_BRIGHTNESS: - if (value > max_brightness) - return AE_BAD_PARAMETER; - switch (quirks->brightness) { - default: - return ec_write(0x83, value); - break; - } - default: - return AE_ERROR; - } - - /* Actually do the set */ - return wmab_execute(&args, NULL); -} - -static acpi_status AMW0_find_mailled(void) -{ - struct wmab_args args; - struct wmab_ret ret; - acpi_status status = AE_OK; - struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - - args.eax = 0x86; - args.ebx = args.ecx = args.edx = 0; - - status = wmab_execute(&args, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(struct wmab_ret)) { - ret = *((struct wmab_ret *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - if (ret.eex & 0x1) - interface->capability |= ACER_CAP_MAILLED; - - kfree(out.pointer); - - return AE_OK; -} - -static acpi_status AMW0_set_capabilities(void) -{ - struct wmab_args args; - struct wmab_ret ret; - acpi_status status = AE_OK; - struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - - /* - * On laptops with this strange GUID (non Acer), normal probing doesn't - * work. - */ - if (wmi_has_guid(AMW0_GUID2)) { - interface->capability |= ACER_CAP_WIRELESS; - return AE_OK; - } - - args.eax = ACER_AMW0_WRITE; - args.ecx = args.edx = 0; - - args.ebx = 0xa2 << 8; - args.ebx |= ACER_AMW0_WIRELESS_MASK; - - status = wmab_execute(&args, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(struct wmab_ret)) { - ret = *((struct wmab_ret *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - if (ret.eax & 0x1) - interface->capability |= ACER_CAP_WIRELESS; - - args.ebx = 2 << 8; - args.ebx |= ACER_AMW0_BLUETOOTH_MASK; - - status = wmab_execute(&args, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER - && obj->buffer.length == sizeof(struct wmab_ret)) { - ret = *((struct wmab_ret *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - if (ret.eax & 0x1) - interface->capability |= ACER_CAP_BLUETOOTH; - - kfree(out.pointer); - - /* - * This appears to be safe to enable, since all Wistron based laptops - * appear to use the same EC register for brightness, even if they - * differ for wireless, etc - */ - if (quirks->brightness >= 0) - interface->capability |= ACER_CAP_BRIGHTNESS; - - return AE_OK; -} - -static struct wmi_interface AMW0_interface = { - .type = ACER_AMW0, -}; - -static struct wmi_interface AMW0_V2_interface = { - .type = ACER_AMW0_V2, -}; - -/* - * New interface (The WMID interface) - */ -static acpi_status -WMI_execute_u32(u32 method_id, u32 in, u32 *out) -{ - struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) }; - struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - u32 tmp; - acpi_status status; - - status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result); - - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) result.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(u32)) { - tmp = *((u32 *) obj->buffer.pointer); - } else { - tmp = 0; - } - - if (out) - *out = tmp; - - kfree(result.pointer); - - return status; -} - -static acpi_status WMID_get_u32(u32 *value, u32 cap, -struct wmi_interface *iface) -{ - acpi_status status; - u8 tmp; - u32 result, method_id = 0; - - switch (cap) { - case ACER_CAP_WIRELESS: - method_id = ACER_WMID_GET_WIRELESS_METHODID; - break; - case ACER_CAP_BLUETOOTH: - method_id = ACER_WMID_GET_BLUETOOTH_METHODID; - break; - case ACER_CAP_BRIGHTNESS: - method_id = ACER_WMID_GET_BRIGHTNESS_METHODID; - break; - case ACER_CAP_THREEG: - method_id = ACER_WMID_GET_THREEG_METHODID; - break; - case ACER_CAP_MAILLED: - if (quirks->mailled == 1) { - ec_read(0x9f, &tmp); - *value = tmp & 0x1; - return 0; - } - default: - return AE_ERROR; - } - status = WMI_execute_u32(method_id, 0, &result); - - if (ACPI_SUCCESS(status)) - *value = (u8)result; - - return status; -} - -static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface) -{ - u32 method_id = 0; - char param; - - switch (cap) { - case ACER_CAP_BRIGHTNESS: - if (value > max_brightness) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_BRIGHTNESS_METHODID; - break; - case ACER_CAP_WIRELESS: - if (value > 1) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_WIRELESS_METHODID; - break; - case ACER_CAP_BLUETOOTH: - if (value > 1) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_BLUETOOTH_METHODID; - break; - case ACER_CAP_THREEG: - if (value > 1) - return AE_BAD_PARAMETER; - method_id = ACER_WMID_SET_THREEG_METHODID; - break; - case ACER_CAP_MAILLED: - if (value > 1) - return AE_BAD_PARAMETER; - if (quirks->mailled == 1) { - param = value ? 0x92 : 0x93; - i8042_command(¶m, 0x1059); - return 0; - } - break; - default: - return AE_ERROR; - } - return WMI_execute_u32(method_id, (u32)value, NULL); -} - -static acpi_status WMID_set_capabilities(void) -{ - struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *obj; - acpi_status status; - u32 devices; - - status = wmi_query_block(WMID_GUID2, 1, &out); - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(u32)) { - devices = *((u32 *) obj->buffer.pointer); - } else { - return AE_ERROR; - } - - /* Not sure on the meaning of the relevant bits yet to detect these */ - interface->capability |= ACER_CAP_WIRELESS; - interface->capability |= ACER_CAP_THREEG; - - /* WMID always provides brightness methods */ - interface->capability |= ACER_CAP_BRIGHTNESS; - - if (devices & 0x10) - interface->capability |= ACER_CAP_BLUETOOTH; - - if (!(devices & 0x20)) - max_brightness = 0x9; - - return status; -} - -static struct wmi_interface wmid_interface = { - .type = ACER_WMID, -}; - -/* - * Generic Device (interface-independent) - */ - -static acpi_status get_u32(u32 *value, u32 cap) -{ - acpi_status status = AE_ERROR; - - switch (interface->type) { - case ACER_AMW0: - status = AMW0_get_u32(value, cap, interface); - break; - case ACER_AMW0_V2: - if (cap == ACER_CAP_MAILLED) { - status = AMW0_get_u32(value, cap, interface); - break; - } - case ACER_WMID: - status = WMID_get_u32(value, cap, interface); - break; - } - - return status; -} - -static acpi_status set_u32(u32 value, u32 cap) -{ - acpi_status status; - - if (interface->capability & cap) { - switch (interface->type) { - case ACER_AMW0: - return AMW0_set_u32(value, cap, interface); - case ACER_AMW0_V2: - if (cap == ACER_CAP_MAILLED) - return AMW0_set_u32(value, cap, interface); - - /* - * On some models, some WMID methods don't toggle - * properly. For those cases, we want to run the AMW0 - * method afterwards to be certain we've really toggled - * the device state. - */ - if (cap == ACER_CAP_WIRELESS || - cap == ACER_CAP_BLUETOOTH) { - status = WMID_set_u32(value, cap, interface); - if (ACPI_FAILURE(status)) - return status; - - return AMW0_set_u32(value, cap, interface); - } - case ACER_WMID: - return WMID_set_u32(value, cap, interface); - default: - return AE_BAD_PARAMETER; - } - } - return AE_BAD_PARAMETER; -} - -static void __init acer_commandline_init(void) -{ - /* - * These will all fail silently if the value given is invalid, or the - * capability isn't available on the given interface - */ - set_u32(mailled, ACER_CAP_MAILLED); - set_u32(threeg, ACER_CAP_THREEG); - set_u32(brightness, ACER_CAP_BRIGHTNESS); -} - -/* - * LED device (Mail LED only, no other LEDs known yet) - */ -static void mail_led_set(struct led_classdev *led_cdev, -enum led_brightness value) -{ - set_u32(value, ACER_CAP_MAILLED); -} - -static struct led_classdev mail_led = { - .name = "acer-wmi::mail", - .brightness_set = mail_led_set, -}; - -static int __devinit acer_led_init(struct device *dev) -{ - return led_classdev_register(dev, &mail_led); -} - -static void acer_led_exit(void) -{ - led_classdev_unregister(&mail_led); -} - -/* - * Backlight device - */ -static struct backlight_device *acer_backlight_device; - -static int read_brightness(struct backlight_device *bd) -{ - u32 value; - get_u32(&value, ACER_CAP_BRIGHTNESS); - return value; -} - -static int update_bl_status(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.fb_blank != FB_BLANK_UNBLANK) - intensity = 0; - - set_u32(intensity, ACER_CAP_BRIGHTNESS); - - return 0; -} - -static struct backlight_ops acer_bl_ops = { - .get_brightness = read_brightness, - .update_status = update_bl_status, -}; - -static int __devinit acer_backlight_init(struct device *dev) -{ - struct backlight_device *bd; - - bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops); - if (IS_ERR(bd)) { - printk(ACER_ERR "Could not register Acer backlight device\n"); - acer_backlight_device = NULL; - return PTR_ERR(bd); - } - - acer_backlight_device = bd; - - bd->props.power = FB_BLANK_UNBLANK; - bd->props.brightness = max_brightness; - bd->props.max_brightness = max_brightness; - backlight_update_status(bd); - return 0; -} - -static void acer_backlight_exit(void) -{ - backlight_device_unregister(acer_backlight_device); -} - -/* - * Rfkill devices - */ -static void acer_rfkill_update(struct work_struct *ignored); -static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); -static void acer_rfkill_update(struct work_struct *ignored) -{ - u32 state; - acpi_status status; - - status = get_u32(&state, ACER_CAP_WIRELESS); - if (ACPI_SUCCESS(status)) - rfkill_force_state(wireless_rfkill, state ? - RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED); - - if (has_cap(ACER_CAP_BLUETOOTH)) { - status = get_u32(&state, ACER_CAP_BLUETOOTH); - if (ACPI_SUCCESS(status)) - rfkill_force_state(bluetooth_rfkill, state ? - RFKILL_STATE_UNBLOCKED : - RFKILL_STATE_SOFT_BLOCKED); - } - - schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); -} - -static int acer_rfkill_set(void *data, enum rfkill_state state) -{ - acpi_status status; - u32 *cap = data; - status = set_u32((u32) (state == RFKILL_STATE_UNBLOCKED), *cap); - if (ACPI_FAILURE(status)) - return -ENODEV; - return 0; -} - -static struct rfkill * acer_rfkill_register(struct device *dev, -enum rfkill_type type, char *name, u32 cap) -{ - int err; - u32 state; - u32 *data; - struct rfkill *rfkill_dev; - - rfkill_dev = rfkill_allocate(dev, type); - if (!rfkill_dev) - return ERR_PTR(-ENOMEM); - rfkill_dev->name = name; - get_u32(&state, cap); - rfkill_dev->state = state ? RFKILL_STATE_UNBLOCKED : - RFKILL_STATE_SOFT_BLOCKED; - data = kzalloc(sizeof(u32), GFP_KERNEL); - if (!data) { - rfkill_free(rfkill_dev); - return ERR_PTR(-ENOMEM); - } - *data = cap; - rfkill_dev->data = data; - rfkill_dev->toggle_radio = acer_rfkill_set; - rfkill_dev->user_claim_unsupported = 1; - - err = rfkill_register(rfkill_dev); - if (err) { - kfree(rfkill_dev->data); - rfkill_free(rfkill_dev); - return ERR_PTR(err); - } - return rfkill_dev; -} - -static int acer_rfkill_init(struct device *dev) -{ - wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, - "acer-wireless", ACER_CAP_WIRELESS); - if (IS_ERR(wireless_rfkill)) - return PTR_ERR(wireless_rfkill); - - if (has_cap(ACER_CAP_BLUETOOTH)) { - bluetooth_rfkill = acer_rfkill_register(dev, - RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", - ACER_CAP_BLUETOOTH); - if (IS_ERR(bluetooth_rfkill)) { - kfree(wireless_rfkill->data); - rfkill_unregister(wireless_rfkill); - return PTR_ERR(bluetooth_rfkill); - } - } - - schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); - - return 0; -} - -static void acer_rfkill_exit(void) -{ - cancel_delayed_work_sync(&acer_rfkill_work); - kfree(wireless_rfkill->data); - rfkill_unregister(wireless_rfkill); - if (has_cap(ACER_CAP_BLUETOOTH)) { - kfree(wireless_rfkill->data); - rfkill_unregister(bluetooth_rfkill); - } - return; -} - -/* - * sysfs interface - */ -static ssize_t show_bool_threeg(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u32 result; \ - acpi_status status = get_u32(&result, ACER_CAP_THREEG); - if (ACPI_SUCCESS(status)) - return sprintf(buf, "%u\n", result); - return sprintf(buf, "Read error\n"); -} - -static ssize_t set_bool_threeg(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - u32 tmp = simple_strtoul(buf, NULL, 10); - acpi_status status = set_u32(tmp, ACER_CAP_THREEG); - if (ACPI_FAILURE(status)) - return -EINVAL; - return count; -} -static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg, - set_bool_threeg); - -static ssize_t show_interface(struct device *dev, struct device_attribute *attr, - char *buf) -{ - switch (interface->type) { - case ACER_AMW0: - return sprintf(buf, "AMW0\n"); - case ACER_AMW0_V2: - return sprintf(buf, "AMW0 v2\n"); - case ACER_WMID: - return sprintf(buf, "WMID\n"); - default: - return sprintf(buf, "Error!\n"); - } -} - -static DEVICE_ATTR(interface, S_IWUGO | S_IRUGO | S_IWUSR, - show_interface, NULL); - -/* - * debugfs functions - */ -static u32 get_wmid_devices(void) -{ - struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *obj; - acpi_status status; - - status = wmi_query_block(WMID_GUID2, 1, &out); - if (ACPI_FAILURE(status)) - return 0; - - obj = (union acpi_object *) out.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(u32)) { - return *((u32 *) obj->buffer.pointer); - } else { - return 0; - } -} - -/* - * Platform device - */ -static int __devinit acer_platform_probe(struct platform_device *device) -{ - int err; - - if (has_cap(ACER_CAP_MAILLED)) { - err = acer_led_init(&device->dev); - if (err) - goto error_mailled; - } - - if (has_cap(ACER_CAP_BRIGHTNESS)) { - err = acer_backlight_init(&device->dev); - if (err) - goto error_brightness; - } - - err = acer_rfkill_init(&device->dev); - - return err; - -error_brightness: - acer_led_exit(); -error_mailled: - return err; -} - -static int acer_platform_remove(struct platform_device *device) -{ - if (has_cap(ACER_CAP_MAILLED)) - acer_led_exit(); - if (has_cap(ACER_CAP_BRIGHTNESS)) - acer_backlight_exit(); - - acer_rfkill_exit(); - return 0; -} - -static int acer_platform_suspend(struct platform_device *dev, -pm_message_t state) -{ - u32 value; - struct acer_data *data = &interface->data; - - if (!data) - return -ENOMEM; - - if (has_cap(ACER_CAP_MAILLED)) { - get_u32(&value, ACER_CAP_MAILLED); - data->mailled = value; - } - - if (has_cap(ACER_CAP_BRIGHTNESS)) { - get_u32(&value, ACER_CAP_BRIGHTNESS); - data->brightness = value; - } - - return 0; -} - -static int acer_platform_resume(struct platform_device *device) -{ - struct acer_data *data = &interface->data; - - if (!data) - return -ENOMEM; - - if (has_cap(ACER_CAP_MAILLED)) - set_u32(data->mailled, ACER_CAP_MAILLED); - - if (has_cap(ACER_CAP_BRIGHTNESS)) - set_u32(data->brightness, ACER_CAP_BRIGHTNESS); - - return 0; -} - -static struct platform_driver acer_platform_driver = { - .driver = { - .name = "acer-wmi", - .owner = THIS_MODULE, - }, - .probe = acer_platform_probe, - .remove = acer_platform_remove, - .suspend = acer_platform_suspend, - .resume = acer_platform_resume, -}; - -static struct platform_device *acer_platform_device; - -static int remove_sysfs(struct platform_device *device) -{ - if (has_cap(ACER_CAP_THREEG)) - device_remove_file(&device->dev, &dev_attr_threeg); - - device_remove_file(&device->dev, &dev_attr_interface); - - return 0; -} - -static int create_sysfs(void) -{ - int retval = -ENOMEM; - - if (has_cap(ACER_CAP_THREEG)) { - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_threeg); - if (retval) - goto error_sysfs; - } - - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_interface); - if (retval) - goto error_sysfs; - - return 0; - -error_sysfs: - remove_sysfs(acer_platform_device); - return retval; -} - -static void remove_debugfs(void) -{ - debugfs_remove(interface->debug.devices); - debugfs_remove(interface->debug.root); -} - -static int create_debugfs(void) -{ - interface->debug.root = debugfs_create_dir("acer-wmi", NULL); - if (!interface->debug.root) { - printk(ACER_ERR "Failed to create debugfs directory"); - return -ENOMEM; - } - - interface->debug.devices = debugfs_create_u32("devices", S_IRUGO, - interface->debug.root, - &interface->debug.wmid_devices); - if (!interface->debug.devices) - goto error_debugfs; - - return 0; - -error_debugfs: - remove_debugfs(); - return -ENOMEM; -} - -static int __init acer_wmi_init(void) -{ - int err; - - printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n"); - - find_quirks(); - - /* - * Detect which ACPI-WMI interface we're using. - */ - if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) - interface = &AMW0_V2_interface; - - if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1)) - interface = &wmid_interface; - - if (wmi_has_guid(WMID_GUID2) && interface) { - if (ACPI_FAILURE(WMID_set_capabilities())) { - printk(ACER_ERR "Unable to detect available WMID " - "devices\n"); - return -ENODEV; - } - } else if (!wmi_has_guid(WMID_GUID2) && interface) { - printk(ACER_ERR "No WMID device detection method found\n"); - return -ENODEV; - } - - if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) { - interface = &AMW0_interface; - - if (ACPI_FAILURE(AMW0_set_capabilities())) { - printk(ACER_ERR "Unable to detect available AMW0 " - "devices\n"); - return -ENODEV; - } - } - - if (wmi_has_guid(AMW0_GUID1)) - AMW0_find_mailled(); - - if (!interface) { - printk(ACER_ERR "No or unsupported WMI interface, unable to " - "load\n"); - return -ENODEV; - } - - set_quirks(); - - if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { - interface->capability &= ~ACER_CAP_BRIGHTNESS; - printk(ACER_INFO "Brightness must be controlled by " - "generic video driver\n"); - } - - if (platform_driver_register(&acer_platform_driver)) { - printk(ACER_ERR "Unable to register platform driver.\n"); - goto error_platform_register; - } - acer_platform_device = platform_device_alloc("acer-wmi", -1); - platform_device_add(acer_platform_device); - - err = create_sysfs(); - if (err) - return err; - - if (wmi_has_guid(WMID_GUID2)) { - interface->debug.wmid_devices = get_wmid_devices(); - err = create_debugfs(); - if (err) - return err; - } - - /* Override any initial settings with values from the commandline */ - acer_commandline_init(); - - return 0; - -error_platform_register: - return -ENODEV; -} - -static void __exit acer_wmi_exit(void) -{ - remove_sysfs(acer_platform_device); - remove_debugfs(); - platform_device_del(acer_platform_device); - platform_driver_unregister(&acer_platform_driver); - - printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n"); - return; -} - -module_init(acer_wmi_init); -module_exit(acer_wmi_exit); diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c deleted file mode 100644 index 8fb8b359104..00000000000 --- a/drivers/misc/asus-laptop.c +++ /dev/null @@ -1,1266 +0,0 @@ -/* - * asus-laptop.c - Asus Laptop Support - * - * - * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor - * Copyright (C) 2006-2007 Corentin Chary - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * - * The development page for this driver is located at - * http://sourceforge.net/projects/acpi4asus/ - * - * Credits: - * Pontus Fuchs - Helper functions, cleanup - * Johann Wiesner - Small compile fixes - * John Belmonte - ACPI code for Toshiba laptop was a good starting point. - * Eric Burghard - LED display support for W1N - * Josh Green - Light Sens support - * Thomas Tuttle - His first patch for led support was very helpfull - * Sam Lin - GPS support - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/err.h> -#include <linux/proc_fs.h> -#include <linux/backlight.h> -#include <linux/fb.h> -#include <linux/leds.h> -#include <linux/platform_device.h> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> -#include <asm/uaccess.h> - -#define ASUS_LAPTOP_VERSION "0.42" - -#define ASUS_HOTK_NAME "Asus Laptop Support" -#define ASUS_HOTK_CLASS "hotkey" -#define ASUS_HOTK_DEVICE_NAME "Hotkey" -#define ASUS_HOTK_FILE "asus-laptop" -#define ASUS_HOTK_PREFIX "\\_SB.ATKD." - -/* - * Some events we use, same for all Asus - */ -#define ATKD_BR_UP 0x10 -#define ATKD_BR_DOWN 0x20 -#define ATKD_LCD_ON 0x33 -#define ATKD_LCD_OFF 0x34 - -/* - * Known bits returned by \_SB.ATKD.HWRS - */ -#define WL_HWRS 0x80 -#define BT_HWRS 0x100 - -/* - * Flags for hotk status - * WL_ON and BT_ON are also used for wireless_status() - */ -#define WL_ON 0x01 //internal Wifi -#define BT_ON 0x02 //internal Bluetooth -#define MLED_ON 0x04 //mail LED -#define TLED_ON 0x08 //touchpad LED -#define RLED_ON 0x10 //Record LED -#define PLED_ON 0x20 //Phone LED -#define GLED_ON 0x40 //Gaming LED -#define LCD_ON 0x80 //LCD backlight -#define GPS_ON 0x100 //GPS - -#define ASUS_LOG ASUS_HOTK_FILE ": " -#define ASUS_ERR KERN_ERR ASUS_LOG -#define ASUS_WARNING KERN_WARNING ASUS_LOG -#define ASUS_NOTICE KERN_NOTICE ASUS_LOG -#define ASUS_INFO KERN_INFO ASUS_LOG -#define ASUS_DEBUG KERN_DEBUG ASUS_LOG - -MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary"); -MODULE_DESCRIPTION(ASUS_HOTK_NAME); -MODULE_LICENSE("GPL"); - -/* WAPF defines the behavior of the Fn+Fx wlan key - * The significance of values is yet to be found, but - * most of the time: - * 0x0 will do nothing - * 0x1 will allow to control the device with Fn+Fx key. - * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key - * 0x5 like 0x1 or 0x4 - * So, if something doesn't work as you want, just try other values =) - */ -static uint wapf = 1; -module_param(wapf, uint, 0644); -MODULE_PARM_DESC(wapf, "WAPF value"); - -#define ASUS_HANDLE(object, paths...) \ - static acpi_handle object##_handle = NULL; \ - static char *object##_paths[] = { paths } - -/* LED */ -ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED"); -ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); -ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ -ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ -ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */ - -/* LEDD */ -ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); - -/* Bluetooth and WLAN - * WLED and BLED are not handled like other XLED, because in some dsdt - * they also control the WLAN/Bluetooth device. - */ -ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED"); -ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED"); -ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */ - -/* Brightness */ -ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV"); -ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV"); - -/* Backlight */ -ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ - "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */ - "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */ - "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */ - "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */ - "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */ - "\\_SB.PCI0.PX40.Q10", /* S1x */ - "\\Q10"); /* A2x, L2D, L3D, M2E */ - -/* Display */ -ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP"); -ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G - M6A M6V VX-1 V6J V6V W3Z */ - "\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V - S5A M5A z33A W1Jc W2V G1 */ - "\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */ - "\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */ - "\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */ - "\\_SB.PCI0.VGA.GETD", /* Z96F */ - "\\ACTD", /* A2D */ - "\\ADVG", /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ - "\\DNXT", /* P30 */ - "\\INFB", /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ - "\\SSTE"); /* A3F A6F A3N A3L M6N W3N W6A */ - -ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */ -ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */ - -/* GPS */ -/* R2H use different handle for GPS on/off */ -ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */ -ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */ -ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST"); - -/* - * This is the main structure, we can use it to store anything interesting - * about the hotk device - */ -struct asus_hotk { - char *name; //laptop name - struct acpi_device *device; //the device we are in - acpi_handle handle; //the handle of the hotk device - char status; //status of the hotk, for LEDs, ... - u32 ledd_status; //status of the LED display - u8 light_level; //light sensor level - u8 light_switch; //light sensor switch value - u16 event_count[128]; //count for each event TODO make this better -}; - -/* - * This header is made available to allow proper configuration given model, - * revision number , ... this info cannot go in struct asus_hotk because it is - * available before the hotk - */ -static struct acpi_table_header *asus_info; - -/* The actual device the driver binds to */ -static struct asus_hotk *hotk; - -/* - * The hotkey driver declaration - */ -static const struct acpi_device_id asus_device_ids[] = { - {"ATK0100", 0}, - {"", 0}, -}; -MODULE_DEVICE_TABLE(acpi, asus_device_ids); - -static int asus_hotk_add(struct acpi_device *device); -static int asus_hotk_remove(struct acpi_device *device, int type); -static struct acpi_driver asus_hotk_driver = { - .name = ASUS_HOTK_NAME, - .class = ASUS_HOTK_CLASS, - .ids = asus_device_ids, - .ops = { - .add = asus_hotk_add, - .remove = asus_hotk_remove, - }, -}; - -/* The backlight device /sys/class/backlight */ -static struct backlight_device *asus_backlight_device; - -/* - * The backlight class declaration - */ -static int read_brightness(struct backlight_device *bd); -static int update_bl_status(struct backlight_device *bd); -static struct backlight_ops asusbl_ops = { - .get_brightness = read_brightness, - .update_status = update_bl_status, -}; - -/* These functions actually update the LED's, and are called from a - * workqueue. By doing this as separate work rather than when the LED - * subsystem asks, we avoid messing with the Asus ACPI stuff during a - * potentially bad time, such as a timer interrupt. */ -static struct workqueue_struct *led_workqueue; - -#define ASUS_LED(object, ledname) \ - static void object##_led_set(struct led_classdev *led_cdev, \ - enum led_brightness value); \ - static void object##_led_update(struct work_struct *ignored); \ - static int object##_led_wk; \ - static DECLARE_WORK(object##_led_work, object##_led_update); \ - static struct led_classdev object##_led = { \ - .name = "asus::" ledname, \ - .brightness_set = object##_led_set, \ - } - -ASUS_LED(mled, "mail"); -ASUS_LED(tled, "touchpad"); -ASUS_LED(rled, "record"); -ASUS_LED(pled, "phone"); -ASUS_LED(gled, "gaming"); - -/* - * This function evaluates an ACPI method, given an int as parameter, the - * method is searched within the scope of the handle, can be NULL. The output - * of the method is written is output, which can also be NULL - * - * returns 0 if write is successful, -1 else. - */ -static int write_acpi_int(acpi_handle handle, const char *method, int val, - struct acpi_buffer *output) -{ - struct acpi_object_list params; //list of input parameters (an int here) - union acpi_object in_obj; //the only param we use - acpi_status status; - - if (!handle) - return 0; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = val; - - status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); - if (status == AE_OK) - return 0; - else - return -1; -} - -static int read_wireless_status(int mask) -{ - unsigned long long status; - acpi_status rv = AE_OK; - - if (!wireless_status_handle) - return (hotk->status & mask) ? 1 : 0; - - rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status); - if (ACPI_FAILURE(rv)) - printk(ASUS_WARNING "Error reading Wireless status\n"); - else - return (status & mask) ? 1 : 0; - - return (hotk->status & mask) ? 1 : 0; -} - -static int read_gps_status(void) -{ - unsigned long long status; - acpi_status rv = AE_OK; - - rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); - if (ACPI_FAILURE(rv)) - printk(ASUS_WARNING "Error reading GPS status\n"); - else - return status ? 1 : 0; - - return (hotk->status & GPS_ON) ? 1 : 0; -} - -/* Generic LED functions */ -static int read_status(int mask) -{ - /* There is a special method for both wireless devices */ - if (mask == BT_ON || mask == WL_ON) - return read_wireless_status(mask); - else if (mask == GPS_ON) - return read_gps_status(); - - return (hotk->status & mask) ? 1 : 0; -} - -static void write_status(acpi_handle handle, int out, int mask) -{ - hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask); - - switch (mask) { - case MLED_ON: - out = !(out & 0x1); - break; - case GLED_ON: - out = (out & 0x1) + 1; - break; - case GPS_ON: - handle = (out) ? gps_on_handle : gps_off_handle; - out = 0x02; - break; - default: - out &= 0x1; - break; - } - - if (write_acpi_int(handle, NULL, out, NULL)) - printk(ASUS_WARNING " write failed %x\n", mask); -} - -/* /sys/class/led handlers */ -#define ASUS_LED_HANDLER(object, mask) \ - static void object##_led_set(struct led_classdev *led_cdev, \ - enum led_brightness value) \ - { \ - object##_led_wk = (value > 0) ? 1 : 0; \ - queue_work(led_workqueue, &object##_led_work); \ - } \ - static void object##_led_update(struct work_struct *ignored) \ - { \ - int value = object##_led_wk; \ - write_status(object##_set_handle, value, (mask)); \ - } - -ASUS_LED_HANDLER(mled, MLED_ON); -ASUS_LED_HANDLER(pled, PLED_ON); -ASUS_LED_HANDLER(rled, RLED_ON); -ASUS_LED_HANDLER(tled, TLED_ON); -ASUS_LED_HANDLER(gled, GLED_ON); - -static int get_lcd_state(void) -{ - return read_status(LCD_ON); -} - -static int set_lcd_state(int value) -{ - int lcd = 0; - acpi_status status = 0; - - lcd = value ? 1 : 0; - - if (lcd == get_lcd_state()) - return 0; - - if (lcd_switch_handle) { - status = acpi_evaluate_object(lcd_switch_handle, - NULL, NULL, NULL); - - if (ACPI_FAILURE(status)) - printk(ASUS_WARNING "Error switching LCD\n"); - } - - write_status(NULL, lcd, LCD_ON); - return 0; -} - -static void lcd_blank(int blank) -{ - struct backlight_device *bd = asus_backlight_device; - - if (bd) { - bd->props.power = blank; - backlight_update_status(bd); - } -} - -static int read_brightness(struct backlight_device *bd) -{ - unsigned long long value; - acpi_status rv = AE_OK; - - rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); - if (ACPI_FAILURE(rv)) - printk(ASUS_WARNING "Error reading brightness\n"); - - return value; -} - -static int set_brightness(struct backlight_device *bd, int value) -{ - int ret = 0; - - value = (0 < value) ? ((15 < value) ? 15 : value) : 0; - /* 0 <= value <= 15 */ - - if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) { - printk(ASUS_WARNING "Error changing brightness\n"); - ret = -EIO; - } - - return ret; -} - -static int update_bl_status(struct backlight_device *bd) -{ - int rv; - int value = bd->props.brightness; - - rv = set_brightness(bd, value); - if (rv) - return rv; - - value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; - return set_lcd_state(value); -} - -/* - * Platform device handlers - */ - -/* - * We write our info in page, we begin at offset off and cannot write more - * than count bytes. We set eof to 1 if we handle those 2 values. We return the - * number of bytes written in page - */ -static ssize_t show_infos(struct device *dev, - struct device_attribute *attr, char *page) -{ - int len = 0; - unsigned long long temp; - char buf[16]; //enough for all info - acpi_status rv = AE_OK; - - /* - * We use the easy way, we don't care of off and count, so we don't set eof - * to 1 - */ - - len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n"); - len += sprintf(page + len, "Model reference : %s\n", hotk->name); - /* - * The SFUN method probably allows the original driver to get the list - * of features supported by a given model. For now, 0x0100 or 0x0800 - * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. - * The significance of others is yet to be found. - */ - rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp); - if (!ACPI_FAILURE(rv)) - len += sprintf(page + len, "SFUN value : 0x%04x\n", - (uint) temp); - /* - * Another value for userspace: the ASYM method returns 0x02 for - * battery low and 0x04 for battery critical, its readings tend to be - * more accurate than those provided by _BST. - * Note: since not all the laptops provide this method, errors are - * silently ignored. - */ - rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp); - if (!ACPI_FAILURE(rv)) - len += sprintf(page + len, "ASYM value : 0x%04x\n", - (uint) temp); - if (asus_info) { - snprintf(buf, 16, "%d", asus_info->length); - len += sprintf(page + len, "DSDT length : %s\n", buf); - snprintf(buf, 16, "%d", asus_info->checksum); - len += sprintf(page + len, "DSDT checksum : %s\n", buf); - snprintf(buf, 16, "%d", asus_info->revision); - len += sprintf(page + len, "DSDT revision : %s\n", buf); - snprintf(buf, 7, "%s", asus_info->oem_id); - len += sprintf(page + len, "OEM id : %s\n", buf); - snprintf(buf, 9, "%s", asus_info->oem_table_id); - len += sprintf(page + len, "OEM table id : %s\n", buf); - snprintf(buf, 16, "%x", asus_info->oem_revision); - len += sprintf(page + len, "OEM revision : 0x%s\n", buf); - snprintf(buf, 5, "%s", asus_info->asl_compiler_id); - len += sprintf(page + len, "ASL comp vendor id : %s\n", buf); - snprintf(buf, 16, "%x", asus_info->asl_compiler_revision); - len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf); - } - - return len; -} - -static int parse_arg(const char *buf, unsigned long count, int *val) -{ - if (!count) - return 0; - if (count > 31) - return -EINVAL; - if (sscanf(buf, "%i", val) != 1) - return -EINVAL; - return count; -} - -static ssize_t store_status(const char *buf, size_t count, - acpi_handle handle, int mask) -{ - int rv, value; - int out = 0; - - rv = parse_arg(buf, count, &value); - if (rv > 0) - out = value ? 1 : 0; - - write_status(handle, out, mask); - - return rv; -} - -/* - * LEDD display - */ -static ssize_t show_ledd(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "0x%08x\n", hotk->ledd_status); -} - -static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - int rv, value; - - rv = parse_arg(buf, count, &value); - if (rv > 0) { - if (write_acpi_int(ledd_set_handle, NULL, value, NULL)) - printk(ASUS_WARNING "LED display write failed\n"); - else - hotk->ledd_status = (u32) value; - } - return rv; -} - -/* - * WLAN - */ -static ssize_t show_wlan(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", read_status(WL_ON)); -} - -static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - return store_status(buf, count, wl_switch_handle, WL_ON); -} - -/* - * Bluetooth - */ -static ssize_t show_bluetooth(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", read_status(BT_ON)); -} - -static ssize_t store_bluetooth(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - return store_status(buf, count, bt_switch_handle, BT_ON); -} - -/* - * Display - */ -static void set_display(int value) -{ - /* no sanity check needed for now */ - if (write_acpi_int(display_set_handle, NULL, value, NULL)) - printk(ASUS_WARNING "Error setting display\n"); - return; -} - -static int read_display(void) -{ - unsigned long long value = 0; - acpi_status rv = AE_OK; - - /* In most of the case, we know how to set the display, but sometime - we can't read it */ - if (display_get_handle) { - rv = acpi_evaluate_integer(display_get_handle, NULL, - NULL, &value); - if (ACPI_FAILURE(rv)) - printk(ASUS_WARNING "Error reading display status\n"); - } - - value &= 0x0F; /* needed for some models, shouldn't hurt others */ - - return value; -} - -/* - * Now, *this* one could be more user-friendly, but so far, no-one has - * complained. The significance of bits is the same as in store_disp() - */ -static ssize_t show_disp(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", read_display()); -} - -/* - * Experimental support for display switching. As of now: 1 should activate - * the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI. - * Any combination (bitwise) of these will suffice. I never actually tested 4 - * displays hooked up simultaneously, so be warned. See the acpi4asus README - * for more info. - */ -static ssize_t store_disp(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - int rv, value; - - rv = parse_arg(buf, count, &value); - if (rv > 0) - set_display(value); - return rv; -} - -/* - * Light Sens - */ -static void set_light_sens_switch(int value) -{ - if (write_acpi_int(ls_switch_handle, NULL, value, NULL)) - printk(ASUS_WARNING "Error setting light sensor switch\n"); - hotk->light_switch = value; -} - -static ssize_t show_lssw(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", hotk->light_switch); -} - -static ssize_t store_lssw(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - int rv, value; - - rv = parse_arg(buf, count, &value); - if (rv > 0) - set_light_sens_switch(value ? 1 : 0); - - return rv; -} - -static void set_light_sens_level(int value) -{ - if (write_acpi_int(ls_level_handle, NULL, value, NULL)) - printk(ASUS_WARNING "Error setting light sensor level\n"); - hotk->light_level = value; -} - -static ssize_t show_lslvl(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", hotk->light_level); -} - -static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - int rv, value; - - rv = parse_arg(buf, count, &value); - if (rv > 0) { - value = (0 < value) ? ((15 < value) ? 15 : value) : 0; - /* 0 <= value <= 15 */ - set_light_sens_level(value); - } - - return rv; -} - -/* - * GPS - */ -static ssize_t show_gps(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "%d\n", read_status(GPS_ON)); -} - -static ssize_t store_gps(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - return store_status(buf, count, NULL, GPS_ON); -} - -static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) -{ - /* TODO Find a better way to handle events count. */ - if (!hotk) - return; - - /* - * We need to tell the backlight device when the backlight power is - * switched - */ - if (event == ATKD_LCD_ON) { - write_status(NULL, 1, LCD_ON); - lcd_blank(FB_BLANK_UNBLANK); - } else if (event == ATKD_LCD_OFF) { - write_status(NULL, 0, LCD_ON); - lcd_blank(FB_BLANK_POWERDOWN); - } - - acpi_bus_generate_proc_event(hotk->device, event, - hotk->event_count[event % 128]++); - - return; -} - -#define ASUS_CREATE_DEVICE_ATTR(_name) \ - struct device_attribute dev_attr_##_name = { \ - .attr = { \ - .name = __stringify(_name), \ - .mode = 0 }, \ - .show = NULL, \ - .store = NULL, \ - } - -#define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \ - do { \ - dev_attr_##_name.attr.mode = _mode; \ - dev_attr_##_name.show = _show; \ - dev_attr_##_name.store = _store; \ - } while(0) - -static ASUS_CREATE_DEVICE_ATTR(infos); -static ASUS_CREATE_DEVICE_ATTR(wlan); -static ASUS_CREATE_DEVICE_ATTR(bluetooth); -static ASUS_CREATE_DEVICE_ATTR(display); -static ASUS_CREATE_DEVICE_ATTR(ledd); -static ASUS_CREATE_DEVICE_ATTR(ls_switch); -static ASUS_CREATE_DEVICE_ATTR(ls_level); -static ASUS_CREATE_DEVICE_ATTR(gps); - -static struct attribute *asuspf_attributes[] = { - &dev_attr_infos.attr, - &dev_attr_wlan.attr, - &dev_attr_bluetooth.attr, - &dev_attr_display.attr, - &dev_attr_ledd.attr, - &dev_attr_ls_switch.attr, - &dev_attr_ls_level.attr, - &dev_attr_gps.attr, - NULL -}; - -static struct attribute_group asuspf_attribute_group = { - .attrs = asuspf_attributes -}; - -static struct platform_driver asuspf_driver = { - .driver = { - .name = ASUS_HOTK_FILE, - .owner = THIS_MODULE, - } -}; - -static struct platform_device *asuspf_device; - -static void asus_hotk_add_fs(void) -{ - ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL); - - if (wl_switch_handle) - ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan); - - if (bt_switch_handle) - ASUS_SET_DEVICE_ATTR(bluetooth, 0644, - show_bluetooth, store_bluetooth); - - if (display_set_handle && display_get_handle) - ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp); - else if (display_set_handle) - ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); - - if (ledd_set_handle) - ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); - - if (ls_switch_handle && ls_level_handle) { - ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl); - ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw); - } - - if (gps_status_handle && gps_on_handle && gps_off_handle) - ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps); -} - -static int asus_handle_init(char *name, acpi_handle * handle, - char **paths, int num_paths) -{ - int i; - acpi_status status; - - for (i = 0; i < num_paths; i++) { - status = acpi_get_handle(NULL, paths[i], handle); - if (ACPI_SUCCESS(status)) - return 0; - } - - *handle = NULL; - return -ENODEV; -} - -#define ASUS_HANDLE_INIT(object) \ - asus_handle_init(#object, &object##_handle, object##_paths, \ - ARRAY_SIZE(object##_paths)) - -/* - * This function is used to initialize the hotk with right values. In this - * method, we can make all the detection we want, and modify the hotk struct - */ -static int asus_hotk_get_info(void) -{ - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *model = NULL; - unsigned long long bsts_result, hwrs_result; - char *string = NULL; - acpi_status status; - - /* - * Get DSDT headers early enough to allow for differentiating between - * models, but late enough to allow acpi_bus_register_driver() to fail - * before doing anything ACPI-specific. Should we encounter a machine, - * which needs special handling (i.e. its hotkey device has a different - * HID), this bit will be moved. A global variable asus_info contains - * the DSDT header. - */ - status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info); - if (ACPI_FAILURE(status)) - printk(ASUS_WARNING "Couldn't get the DSDT table header\n"); - - /* We have to write 0 on init this far for all ASUS models */ - if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { - printk(ASUS_ERR "Hotkey initialization failed\n"); - return -ENODEV; - } - - /* This needs to be called for some laptops to init properly */ - status = - acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result); - if (ACPI_FAILURE(status)) - printk(ASUS_WARNING "Error calling BSTS\n"); - else if (bsts_result) - printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n", - (uint) bsts_result); - - /* This too ... */ - write_acpi_int(hotk->handle, "CWAP", wapf, NULL); - - /* - * Try to match the object returned by INIT to the specific model. - * Handle every possible object (or the lack of thereof) the DSDT - * writers might throw at us. When in trouble, we pass NULL to - * asus_model_match() and try something completely different. - */ - if (buffer.pointer) { - model = buffer.pointer; - switch (model->type) { - case ACPI_TYPE_STRING: - string = model->string.pointer; - break; - case ACPI_TYPE_BUFFER: - string = model->buffer.pointer; - break; - default: - string = ""; - break; - } - } - hotk->name = kstrdup(string, GFP_KERNEL); - if (!hotk->name) - return -ENOMEM; - - if (*string) - printk(ASUS_NOTICE " %s model detected\n", string); - - ASUS_HANDLE_INIT(mled_set); - ASUS_HANDLE_INIT(tled_set); - ASUS_HANDLE_INIT(rled_set); - ASUS_HANDLE_INIT(pled_set); - ASUS_HANDLE_INIT(gled_set); - - ASUS_HANDLE_INIT(ledd_set); - - /* - * The HWRS method return informations about the hardware. - * 0x80 bit is for WLAN, 0x100 for Bluetooth. - * The significance of others is yet to be found. - * If we don't find the method, we assume the device are present. - */ - status = - acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result); - if (ACPI_FAILURE(status)) - hwrs_result = WL_HWRS | BT_HWRS; - - if (hwrs_result & WL_HWRS) - ASUS_HANDLE_INIT(wl_switch); - if (hwrs_result & BT_HWRS) - ASUS_HANDLE_INIT(bt_switch); - - ASUS_HANDLE_INIT(wireless_status); - - ASUS_HANDLE_INIT(brightness_set); - ASUS_HANDLE_INIT(brightness_get); - - ASUS_HANDLE_INIT(lcd_switch); - - ASUS_HANDLE_INIT(display_set); - ASUS_HANDLE_INIT(display_get); - - /* There is a lot of models with "ALSL", but a few get - a real light sens, so we need to check it. */ - if (!ASUS_HANDLE_INIT(ls_switch)) - ASUS_HANDLE_INIT(ls_level); - - ASUS_HANDLE_INIT(gps_on); - ASUS_HANDLE_INIT(gps_off); - ASUS_HANDLE_INIT(gps_status); - - kfree(model); - - return AE_OK; -} - -static int asus_hotk_check(void) -{ - int result = 0; - - result = acpi_bus_get_status(hotk->device); - if (result) - return result; - - if (hotk->device->status.present) { - result = asus_hotk_get_info(); - } else { - printk(ASUS_ERR "Hotkey device not present, aborting\n"); - return -EINVAL; - } - - return result; -} - -static int asus_hotk_found; - -static int asus_hotk_add(struct acpi_device *device) -{ - acpi_status status = AE_OK; - int result; - - if (!device) - return -EINVAL; - - printk(ASUS_NOTICE "Asus Laptop Support version %s\n", - ASUS_LAPTOP_VERSION); - - hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL); - if (!hotk) - return -ENOMEM; - - hotk->handle = device->handle; - strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); - strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); - device->driver_data = hotk; - hotk->device = device; - - result = asus_hotk_check(); - if (result) - goto end; - - asus_hotk_add_fs(); - - /* - * We install the handler, it will receive the hotk in parameter, so, we - * could add other data to the hotk struct - */ - status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY, - asus_hotk_notify, hotk); - if (ACPI_FAILURE(status)) - printk(ASUS_ERR "Error installing notify handler\n"); - - asus_hotk_found = 1; - - /* WLED and BLED are on by default */ - write_status(bt_switch_handle, 1, BT_ON); - write_status(wl_switch_handle, 1, WL_ON); - - /* If the h/w switch is off, we need to check the real status */ - write_status(NULL, read_status(BT_ON), BT_ON); - write_status(NULL, read_status(WL_ON), WL_ON); - - /* LCD Backlight is on by default */ - write_status(NULL, 1, LCD_ON); - - /* LED display is off by default */ - hotk->ledd_status = 0xFFF; - - /* Set initial values of light sensor and level */ - hotk->light_switch = 1; /* Default to light sensor disabled */ - hotk->light_level = 0; /* level 5 for sensor sensitivity */ - - if (ls_switch_handle) - set_light_sens_switch(hotk->light_switch); - - if (ls_level_handle) - set_light_sens_level(hotk->light_level); - - /* GPS is on by default */ - write_status(NULL, 1, GPS_ON); - - end: - if (result) { - kfree(hotk->name); - kfree(hotk); - } - - return result; -} - -static int asus_hotk_remove(struct acpi_device *device, int type) -{ - acpi_status status = 0; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY, - asus_hotk_notify); - if (ACPI_FAILURE(status)) - printk(ASUS_ERR "Error removing notify handler\n"); - - kfree(hotk->name); - kfree(hotk); - - return 0; -} - -static void asus_backlight_exit(void) -{ - if (asus_backlight_device) - backlight_device_unregister(asus_backlight_device); -} - -#define ASUS_LED_UNREGISTER(object) \ - if (object##_led.dev) \ - led_classdev_unregister(&object##_led) - -static void asus_led_exit(void) -{ - destroy_workqueue(led_workqueue); - ASUS_LED_UNREGISTER(mled); - ASUS_LED_UNREGISTER(tled); - ASUS_LED_UNREGISTER(pled); - ASUS_LED_UNREGISTER(rled); - ASUS_LED_UNREGISTER(gled); -} - -static void __exit asus_laptop_exit(void) -{ - asus_backlight_exit(); - asus_led_exit(); - - acpi_bus_unregister_driver(&asus_hotk_driver); - sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); - platform_device_unregister(asuspf_device); - platform_driver_unregister(&asuspf_driver); -} - -static int asus_backlight_init(struct device *dev) -{ - struct backlight_device *bd; - - if (brightness_set_handle && lcd_switch_handle) { - bd = backlight_device_register(ASUS_HOTK_FILE, dev, - NULL, &asusbl_ops); - if (IS_ERR(bd)) { - printk(ASUS_ERR - "Could not register asus backlight device\n"); - asus_backlight_device = NULL; - return PTR_ERR(bd); - } - - asus_backlight_device = bd; - - bd->props.max_brightness = 15; - bd->props.brightness = read_brightness(NULL); - bd->props.power = FB_BLANK_UNBLANK; - backlight_update_status(bd); - } - return 0; -} - -static int asus_led_register(acpi_handle handle, - struct led_classdev *ldev, struct device *dev) -{ - if (!handle) - return 0; - - return led_classdev_register(dev, ldev); -} - -#define ASUS_LED_REGISTER(object, device) \ - asus_led_register(object##_set_handle, &object##_led, device) - -static int asus_led_init(struct device *dev) -{ - int rv; - - rv = ASUS_LED_REGISTER(mled, dev); - if (rv) - goto out; - - rv = ASUS_LED_REGISTER(tled, dev); - if (rv) - goto out1; - - rv = ASUS_LED_REGISTER(rled, dev); - if (rv) - goto out2; - - rv = ASUS_LED_REGISTER(pled, dev); - if (rv) - goto out3; - - rv = ASUS_LED_REGISTER(gled, dev); - if (rv) - goto out4; - - led_workqueue = create_singlethread_workqueue("led_workqueue"); - if (!led_workqueue) - goto out5; - - return 0; -out5: - rv = -ENOMEM; - ASUS_LED_UNREGISTER(gled); -out4: - ASUS_LED_UNREGISTER(pled); -out3: - ASUS_LED_UNREGISTER(rled); -out2: - ASUS_LED_UNREGISTER(tled); -out1: - ASUS_LED_UNREGISTER(mled); -out: - return rv; -} - -static int __init asus_laptop_init(void) -{ - struct device *dev; - int result; - - if (acpi_disabled) - return -ENODEV; - - result = acpi_bus_register_driver(&asus_hotk_driver); - if (result < 0) - return result; - - /* - * This is a bit of a kludge. We only want this module loaded - * for ASUS systems, but there's currently no way to probe the - * ACPI namespace for ASUS HIDs. So we just return failure if - * we didn't find one, which will cause the module to be - * unloaded. - */ - if (!asus_hotk_found) { - acpi_bus_unregister_driver(&asus_hotk_driver); - return -ENODEV; - } - - dev = acpi_get_physical_device(hotk->device->handle); - - if (!acpi_video_backlight_support()) { - result = asus_backlight_init(dev); - if (result) - goto fail_backlight; - } else - printk(ASUS_INFO "Brightness ignored, must be controlled by " - "ACPI video driver\n"); - - result = asus_led_init(dev); - if (result) - goto fail_led; - - /* Register platform stuff */ - result = platform_driver_register(&asuspf_driver); - if (result) - goto fail_platform_driver; - - asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1); - if (!asuspf_device) { - result = -ENOMEM; - goto fail_platform_device1; - } - - result = platform_device_add(asuspf_device); - if (result) - goto fail_platform_device2; - - result = sysfs_create_group(&asuspf_device->dev.kobj, - &asuspf_attribute_group); - if (result) - goto fail_sysfs; - - return 0; - - fail_sysfs: - platform_device_del(asuspf_device); - - fail_platform_device2: - platform_device_put(asuspf_device); - - fail_platform_device1: - platform_driver_unregister(&asuspf_driver); - - fail_platform_driver: - asus_led_exit(); - - fail_led: - asus_backlight_exit(); - - fail_backlight: - - return result; -} - -module_init(asus_laptop_init); -module_exit(asus_laptop_exit); diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c deleted file mode 100644 index 11003bba10d..00000000000 --- a/drivers/misc/compal-laptop.c +++ /dev/null @@ -1,406 +0,0 @@ -/*-*-linux-c-*-*/ - -/* - Copyright (C) 2008 Cezary Jackiewicz <cezary.jackiewicz (at) gmail.com> - - based on MSI driver - - Copyright (C) 2006 Lennart Poettering <mzxreary (at) 0pointer (dot) de> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. - */ - -/* - * comapl-laptop.c - Compal laptop support. - * - * This driver exports a few files in /sys/devices/platform/compal-laptop/: - * - * wlan - wlan subsystem state: contains 0 or 1 (rw) - * - * bluetooth - Bluetooth subsystem state: contains 0 or 1 (rw) - * - * raw - raw value taken from embedded controller register (ro) - * - * In addition to these platform device attributes the driver - * registers itself in the Linux backlight control subsystem and is - * available to userspace under /sys/class/backlight/compal-laptop/. - * - * This driver might work on other laptops produced by Compal. If you - * want to try it you can pass force=1 as argument to the module which - * will force it to load even when the DMI data doesn't identify the - * laptop as FL9x. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/dmi.h> -#include <linux/backlight.h> -#include <linux/platform_device.h> -#include <linux/autoconf.h> - -#define COMPAL_DRIVER_VERSION "0.2.6" - -#define COMPAL_LCD_LEVEL_MAX 8 - -#define COMPAL_EC_COMMAND_WIRELESS 0xBB -#define COMPAL_EC_COMMAND_LCD_LEVEL 0xB9 - -#define KILLSWITCH_MASK 0x10 -#define WLAN_MASK 0x01 -#define BT_MASK 0x02 - -static int force; -module_param(force, bool, 0); -MODULE_PARM_DESC(force, "Force driver load, ignore DMI data"); - -/* Hardware access */ - -static int set_lcd_level(int level) -{ - if (level < 0 || level >= COMPAL_LCD_LEVEL_MAX) - return -EINVAL; - - ec_write(COMPAL_EC_COMMAND_LCD_LEVEL, level); - - return 0; -} - -static int get_lcd_level(void) -{ - u8 result; - - ec_read(COMPAL_EC_COMMAND_LCD_LEVEL, &result); - - return (int) result; -} - -static int set_wlan_state(int state) -{ - u8 result, value; - - ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); - - if ((result & KILLSWITCH_MASK) == 0) - return -EINVAL; - else { - if (state) - value = (u8) (result | WLAN_MASK); - else - value = (u8) (result & ~WLAN_MASK); - ec_write(COMPAL_EC_COMMAND_WIRELESS, value); - } - - return 0; -} - -static int set_bluetooth_state(int state) -{ - u8 result, value; - - ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); - - if ((result & KILLSWITCH_MASK) == 0) - return -EINVAL; - else { - if (state) - value = (u8) (result | BT_MASK); - else - value = (u8) (result & ~BT_MASK); - ec_write(COMPAL_EC_COMMAND_WIRELESS, value); - } - - return 0; -} - -static int get_wireless_state(int *wlan, int *bluetooth) -{ - u8 result; - - ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); - - if (wlan) { - if ((result & KILLSWITCH_MASK) == 0) - *wlan = 0; - else - *wlan = result & WLAN_MASK; - } - - if (bluetooth) { - if ((result & KILLSWITCH_MASK) == 0) - *bluetooth = 0; - else - *bluetooth = (result & BT_MASK) >> 1; - } - - return 0; -} - -/* Backlight device stuff */ - -static int bl_get_brightness(struct backlight_device *b) -{ - return get_lcd_level(); -} - - -static int bl_update_status(struct backlight_device *b) -{ - return set_lcd_level(b->props.brightness); -} - -static struct backlight_ops compalbl_ops = { - .get_brightness = bl_get_brightness, - .update_status = bl_update_status, -}; - -static struct backlight_device *compalbl_device; - -/* Platform device */ - -static ssize_t show_wlan(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int ret, enabled; - - ret = get_wireless_state(&enabled, NULL); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", enabled); -} - -static ssize_t show_raw(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u8 result; - - ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); - - return sprintf(buf, "%i\n", result); -} - -static ssize_t show_bluetooth(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int ret, enabled; - - ret = get_wireless_state(NULL, &enabled); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", enabled); -} - -static ssize_t store_wlan_state(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - int state, ret; - - if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 1)) - return -EINVAL; - - ret = set_wlan_state(state); - if (ret < 0) - return ret; - - return count; -} - -static ssize_t store_bluetooth_state(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - int state, ret; - - if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 1)) - return -EINVAL; - - ret = set_bluetooth_state(state); - if (ret < 0) - return ret; - - return count; -} - -static DEVICE_ATTR(bluetooth, 0644, show_bluetooth, store_bluetooth_state); -static DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan_state); -static DEVICE_ATTR(raw, 0444, show_raw, NULL); - -static struct attribute *compal_attributes[] = { - &dev_attr_bluetooth.attr, - &dev_attr_wlan.attr, - &dev_attr_raw.attr, - NULL -}; - -static struct attribute_group compal_attribute_group = { - .attrs = compal_attributes -}; - -static struct platform_driver compal_driver = { - .driver = { - .name = "compal-laptop", - .owner = THIS_MODULE, - } -}; - -static struct platform_device *compal_device; - -/* Initialization */ - -static int dmi_check_cb(const struct dmi_system_id *id) -{ - printk(KERN_INFO "compal-laptop: Identified laptop model '%s'.\n", - id->ident); - - return 0; -} - -static struct dmi_system_id __initdata compal_dmi_table[] = { - { - .ident = "FL90/IFL90", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "IFL90"), - DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), - }, - .callback = dmi_check_cb - }, - { - .ident = "FL90/IFL90", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "IFL90"), - DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"), - }, - .callback = dmi_check_cb - }, - { - .ident = "FL91/IFL91", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "IFL91"), - DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), - }, - .callback = dmi_check_cb - }, - { - .ident = "FL92/JFL92", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "JFL92"), - DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), - }, - .callback = dmi_check_cb - }, - { - .ident = "FT00/IFT00", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "IFT00"), - DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), - }, - .callback = dmi_check_cb - }, - { } -}; - -static int __init compal_init(void) -{ - int ret; - - if (acpi_disabled) - return -ENODEV; - - if (!force && !dmi_check_system(compal_dmi_table)) - return -ENODEV; - - /* Register backlight stuff */ - - if (!acpi_video_backlight_support()) { - compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, - &compalbl_ops); - if (IS_ERR(compalbl_device)) - return PTR_ERR(compalbl_device); - - compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; - } - - ret = platform_driver_register(&compal_driver); - if (ret) - goto fail_backlight; - - /* Register platform stuff */ - - compal_device = platform_device_alloc("compal-laptop", -1); - if (!compal_device) { - ret = -ENOMEM; - goto fail_platform_driver; - } - - ret = platform_device_add(compal_device); - if (ret) - goto fail_platform_device1; - - ret = sysfs_create_group(&compal_device->dev.kobj, - &compal_attribute_group); - if (ret) - goto fail_platform_device2; - - printk(KERN_INFO "compal-laptop: driver "COMPAL_DRIVER_VERSION - " successfully loaded.\n"); - - return 0; - -fail_platform_device2: - - platform_device_del(compal_device); - -fail_platform_device1: - - platform_device_put(compal_device); - -fail_platform_driver: - - platform_driver_unregister(&compal_driver); - -fail_backlight: - - backlight_device_unregister(compalbl_device); - - return ret; -} - -static void __exit compal_cleanup(void) -{ - - sysfs_remove_group(&compal_device->dev.kobj, &compal_attribute_group); - platform_device_unregister(compal_device); - platform_driver_unregister(&compal_driver); - backlight_device_unregister(compalbl_device); - - printk(KERN_INFO "compal-laptop: driver unloaded.\n"); -} - -module_init(compal_init); -module_exit(compal_cleanup); - -MODULE_AUTHOR("Cezary Jackiewicz"); -MODULE_DESCRIPTION("Compal Laptop Support"); -MODULE_VERSION(COMPAL_DRIVER_VERSION); -MODULE_LICENSE("GPL"); - -MODULE_ALIAS("dmi:*:rnIFL90:rvrIFT00:*"); -MODULE_ALIAS("dmi:*:rnIFL90:rvrREFERENCE:*"); -MODULE_ALIAS("dmi:*:rnIFL91:rvrIFT00:*"); -MODULE_ALIAS("dmi:*:rnJFL92:rvrIFT00:*"); -MODULE_ALIAS("dmi:*:rnIFT00:rvrIFT00:*"); diff --git a/drivers/misc/dell-laptop.c b/drivers/misc/dell-laptop.c new file mode 100644 index 00000000000..4d33a2068b7 --- /dev/null +++ b/drivers/misc/dell-laptop.c @@ -0,0 +1,436 @@ +/* + * Driver for Dell laptop extras + * + * Copyright (c) Red Hat <mjg@redhat.com> + * + * Based on documentation in the libsmbios package, Copyright (C) 2005 Dell + * Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/dmi.h> +#include <linux/io.h> +#include <linux/rfkill.h> +#include <linux/power_supply.h> +#include <linux/acpi.h> +#include "../firmware/dcdbas.h" + +#define BRIGHTNESS_TOKEN 0x7d + +/* This structure will be modified by the firmware when we enter + * system management mode, hence the volatiles */ + +struct calling_interface_buffer { + u16 class; + u16 select; + volatile u32 input[4]; + volatile u32 output[4]; +} __packed; + +struct calling_interface_token { + u16 tokenID; + u16 location; + union { + u16 value; + u16 stringlength; + }; +}; + +struct calling_interface_structure { + struct dmi_header header; + u16 cmdIOAddress; + u8 cmdIOCode; + u32 supportedCmds; + struct calling_interface_token tokens[]; +} __packed; + +static int da_command_address; +static int da_command_code; +static int da_num_tokens; +static struct calling_interface_token *da_tokens; + +static struct backlight_device *dell_backlight_device; +static struct rfkill *wifi_rfkill; +static struct rfkill *bluetooth_rfkill; +static struct rfkill *wwan_rfkill; + +static const struct dmi_system_id __initdata dell_device_table[] = { + { + .ident = "Dell laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_CHASSIS_TYPE, "8"), + }, + }, + { } +}; + +static void parse_da_table(const struct dmi_header *dm) +{ + /* Final token is a terminator, so we don't want to copy it */ + int tokens = (dm->length-11)/sizeof(struct calling_interface_token)-1; + struct calling_interface_structure *table = + container_of(dm, struct calling_interface_structure, header); + + /* 4 bytes of table header, plus 7 bytes of Dell header, plus at least + 6 bytes of entry */ + + if (dm->length < 17) + return; + + da_command_address = table->cmdIOAddress; + da_command_code = table->cmdIOCode; + + da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) * + sizeof(struct calling_interface_token), + GFP_KERNEL); + + if (!da_tokens) + return; + + memcpy(da_tokens+da_num_tokens, table->tokens, + sizeof(struct calling_interface_token) * tokens); + + da_num_tokens += tokens; +} + +static void find_tokens(const struct dmi_header *dm) +{ + switch (dm->type) { + case 0xd4: /* Indexed IO */ + break; + case 0xd5: /* Protected Area Type 1 */ + break; + case 0xd6: /* Protected Area Type 2 */ + break; + case 0xda: /* Calling interface */ + parse_da_table(dm); + break; + } +} + +static int find_token_location(int tokenid) +{ + int i; + for (i = 0; i < da_num_tokens; i++) { + if (da_tokens[i].tokenID == tokenid) + return da_tokens[i].location; + } + + return -1; +} + +static struct calling_interface_buffer * +dell_send_request(struct calling_interface_buffer *buffer, int class, + int select) +{ + struct smi_cmd command; + + command.magic = SMI_CMD_MAGIC; + command.command_address = da_command_address; + command.command_code = da_command_code; + command.ebx = virt_to_phys(buffer); + command.ecx = 0x42534931; + + buffer->class = class; + buffer->select = select; + + dcdbas_smi_request(&command); + + return buffer; +} + +/* Derived from information in DellWirelessCtl.cpp: + Class 17, select 11 is radio control. It returns an array of 32-bit values. + + result[0]: return code + result[1]: + Bit 0: Hardware switch supported + Bit 1: Wifi locator supported + Bit 2: Wifi is supported + Bit 3: Bluetooth is supported + Bit 4: WWAN is supported + Bit 5: Wireless keyboard supported + Bits 6-7: Reserved + Bit 8: Wifi is installed + Bit 9: Bluetooth is installed + Bit 10: WWAN is installed + Bits 11-15: Reserved + Bit 16: Hardware switch is on + Bit 17: Wifi is blocked + Bit 18: Bluetooth is blocked + Bit 19: WWAN is blocked + Bits 20-31: Reserved + result[2]: NVRAM size in bytes + result[3]: NVRAM format version number +*/ + +static int dell_rfkill_set(int radio, enum rfkill_state state) +{ + struct calling_interface_buffer buffer; + int disable = (state == RFKILL_STATE_UNBLOCKED) ? 0 : 1; + + memset(&buffer, 0, sizeof(struct calling_interface_buffer)); + buffer.input[0] = (1 | (radio<<8) | (disable << 16)); + dell_send_request(&buffer, 17, 11); + + return 0; +} + +static int dell_wifi_set(void *data, enum rfkill_state state) +{ + return dell_rfkill_set(1, state); +} + +static int dell_bluetooth_set(void *data, enum rfkill_state state) +{ + return dell_rfkill_set(2, state); +} + +static int dell_wwan_set(void *data, enum rfkill_state state) +{ + return dell_rfkill_set(3, state); +} + +static int dell_rfkill_get(int bit, enum rfkill_state *state) +{ + struct calling_interface_buffer buffer; + int status; + int new_state = RFKILL_STATE_HARD_BLOCKED; + + memset(&buffer, 0, sizeof(struct calling_interface_buffer)); + dell_send_request(&buffer, 17, 11); + status = buffer.output[1]; + + if (status & (1<<16)) + new_state = RFKILL_STATE_SOFT_BLOCKED; + + if (status & (1<<bit)) + *state = new_state; + else + *state = RFKILL_STATE_UNBLOCKED; + + return 0; +} + +static int dell_wifi_get(void *data, enum rfkill_state *state) +{ + return dell_rfkill_get(17, state); +} + +static int dell_bluetooth_get(void *data, enum rfkill_state *state) +{ + return dell_rfkill_get(18, state); +} + +static int dell_wwan_get(void *data, enum rfkill_state *state) +{ + return dell_rfkill_get(19, state); +} + +static int dell_setup_rfkill(void) +{ + struct calling_interface_buffer buffer; + int status; + int ret; + + memset(&buffer, 0, sizeof(struct calling_interface_buffer)); + dell_send_request(&buffer, 17, 11); + status = buffer.output[1]; + + if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { + wifi_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_WLAN); + if (!wifi_rfkill) + goto err_wifi; + wifi_rfkill->name = "dell-wifi"; + wifi_rfkill->toggle_radio = dell_wifi_set; + wifi_rfkill->get_state = dell_wifi_get; + ret = rfkill_register(wifi_rfkill); + if (ret) + goto err_wifi; + } + + if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) { + bluetooth_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_BLUETOOTH); + if (!bluetooth_rfkill) + goto err_bluetooth; + bluetooth_rfkill->name = "dell-bluetooth"; + bluetooth_rfkill->toggle_radio = dell_bluetooth_set; + bluetooth_rfkill->get_state = dell_bluetooth_get; + ret = rfkill_register(bluetooth_rfkill); + if (ret) + goto err_bluetooth; + } + + if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) { + wwan_rfkill = rfkill_allocate(NULL, RFKILL_TYPE_WWAN); + if (!wwan_rfkill) + goto err_wwan; + wwan_rfkill->name = "dell-wwan"; + wwan_rfkill->toggle_radio = dell_wwan_set; + wwan_rfkill->get_state = dell_wwan_get; + ret = rfkill_register(wwan_rfkill); + if (ret) + goto err_wwan; + } + + return 0; +err_wwan: + if (wwan_rfkill) + rfkill_free(wwan_rfkill); + if (bluetooth_rfkill) { + rfkill_unregister(bluetooth_rfkill); + bluetooth_rfkill = NULL; + } +err_bluetooth: + if (bluetooth_rfkill) + rfkill_free(bluetooth_rfkill); + if (wifi_rfkill) { + rfkill_unregister(wifi_rfkill); + wifi_rfkill = NULL; + } +err_wifi: + if (wifi_rfkill) + rfkill_free(wifi_rfkill); + + return ret; +} + +static int dell_send_intensity(struct backlight_device *bd) +{ + struct calling_interface_buffer buffer; + + memset(&buffer, 0, sizeof(struct calling_interface_buffer)); + buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN); + buffer.input[1] = bd->props.brightness; + + if (buffer.input[0] == -1) + return -ENODEV; + + if (power_supply_is_system_supplied() > 0) + dell_send_request(&buffer, 1, 2); + else + dell_send_request(&buffer, 1, 1); + + return 0; +} + +static int dell_get_intensity(struct backlight_device *bd) +{ + struct calling_interface_buffer buffer; + + memset(&buffer, 0, sizeof(struct calling_interface_buffer)); + buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN); + + if (buffer.input[0] == -1) + return -ENODEV; + + if (power_supply_is_system_supplied() > 0) + dell_send_request(&buffer, 0, 2); + else + dell_send_request(&buffer, 0, 1); + + return buffer.output[1]; +} + +static struct backlight_ops dell_ops = { + .get_brightness = dell_get_intensity, + .update_status = dell_send_intensity, +}; + +static int __init dell_init(void) +{ + struct calling_interface_buffer buffer; + int max_intensity = 0; + int ret; + + if (!dmi_check_system(dell_device_table)) + return -ENODEV; + + dmi_walk(find_tokens); + + if (!da_tokens) { + printk(KERN_INFO "dell-laptop: Unable to find dmi tokens\n"); + return -ENODEV; + } + + ret = dell_setup_rfkill(); + + if (ret) { + printk(KERN_WARNING "dell-laptop: Unable to setup rfkill\n"); + goto out; + } + +#ifdef CONFIG_ACPI + /* In the event of an ACPI backlight being available, don't + * register the platform controller. + */ + if (acpi_video_backlight_support()) + return 0; +#endif + + memset(&buffer, 0, sizeof(struct calling_interface_buffer)); + buffer.input[0] = find_token_location(BRIGHTNESS_TOKEN); + + if (buffer.input[0] != -1) { + dell_send_request(&buffer, 0, 2); + max_intensity = buffer.output[3]; + } + + if (max_intensity) { + dell_backlight_device = backlight_device_register( + "dell_backlight", + NULL, NULL, + &dell_ops); + + if (IS_ERR(dell_backlight_device)) { + ret = PTR_ERR(dell_backlight_device); + dell_backlight_device = NULL; + goto out; + } + + dell_backlight_device->props.max_brightness = max_intensity; + dell_backlight_device->props.brightness = + dell_get_intensity(dell_backlight_device); + backlight_update_status(dell_backlight_device); + } + + return 0; +out: + if (wifi_rfkill) + rfkill_unregister(wifi_rfkill); + if (bluetooth_rfkill) + rfkill_unregister(bluetooth_rfkill); + if (wwan_rfkill) + rfkill_unregister(wwan_rfkill); + kfree(da_tokens); + return ret; +} + +static void __exit dell_exit(void) +{ + backlight_device_unregister(dell_backlight_device); + if (wifi_rfkill) + rfkill_unregister(wifi_rfkill); + if (bluetooth_rfkill) + rfkill_unregister(bluetooth_rfkill); + if (wwan_rfkill) + rfkill_unregister(wwan_rfkill); +} + +module_init(dell_init); +module_exit(dell_exit); + +MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); +MODULE_DESCRIPTION("Dell laptop driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("dmi:*svnDellInc.:*:ct8:*"); diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c deleted file mode 100644 index 02fe2b8b893..00000000000 --- a/drivers/misc/eeepc-laptop.c +++ /dev/null @@ -1,872 +0,0 @@ -/* - * eepc-laptop.c - Asus Eee PC extras - * - * Based on asus_acpi.c as patched for the Eee PC by Asus: - * ftp://ftp.asus.com/pub/ASUS/EeePC/701/ASUS_ACPI_071126.rar - * Based on eee.c from eeepc-linux - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/platform_device.h> -#include <linux/backlight.h> -#include <linux/fb.h> -#include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> -#include <linux/uaccess.h> -#include <linux/input.h> -#include <linux/rfkill.h> - -#define EEEPC_LAPTOP_VERSION "0.1" - -#define EEEPC_HOTK_NAME "Eee PC Hotkey Driver" -#define EEEPC_HOTK_FILE "eeepc" -#define EEEPC_HOTK_CLASS "hotkey" -#define EEEPC_HOTK_DEVICE_NAME "Hotkey" -#define EEEPC_HOTK_HID "ASUS010" - -#define EEEPC_LOG EEEPC_HOTK_FILE ": " -#define EEEPC_ERR KERN_ERR EEEPC_LOG -#define EEEPC_WARNING KERN_WARNING EEEPC_LOG -#define EEEPC_NOTICE KERN_NOTICE EEEPC_LOG -#define EEEPC_INFO KERN_INFO EEEPC_LOG - -/* - * Definitions for Asus EeePC - */ -#define NOTIFY_WLAN_ON 0x10 -#define NOTIFY_BRN_MIN 0x20 -#define NOTIFY_BRN_MAX 0x2f - -enum { - DISABLE_ASL_WLAN = 0x0001, - DISABLE_ASL_BLUETOOTH = 0x0002, - DISABLE_ASL_IRDA = 0x0004, - DISABLE_ASL_CAMERA = 0x0008, - DISABLE_ASL_TV = 0x0010, - DISABLE_ASL_GPS = 0x0020, - DISABLE_ASL_DISPLAYSWITCH = 0x0040, - DISABLE_ASL_MODEM = 0x0080, - DISABLE_ASL_CARDREADER = 0x0100 -}; - -enum { - CM_ASL_WLAN = 0, - CM_ASL_BLUETOOTH, - CM_ASL_IRDA, - CM_ASL_1394, - CM_ASL_CAMERA, - CM_ASL_TV, - CM_ASL_GPS, - CM_ASL_DVDROM, - CM_ASL_DISPLAYSWITCH, - CM_ASL_PANELBRIGHT, - CM_ASL_BIOSFLASH, - CM_ASL_ACPIFLASH, - CM_ASL_CPUFV, - CM_ASL_CPUTEMPERATURE, - CM_ASL_FANCPU, - CM_ASL_FANCHASSIS, - CM_ASL_USBPORT1, - CM_ASL_USBPORT2, - CM_ASL_USBPORT3, - CM_ASL_MODEM, - CM_ASL_CARDREADER, - CM_ASL_LID -}; - -static const char *cm_getv[] = { - "WLDG", NULL, NULL, NULL, - "CAMG", NULL, NULL, NULL, - NULL, "PBLG", NULL, NULL, - "CFVG", NULL, NULL, NULL, - "USBG", NULL, NULL, "MODG", - "CRDG", "LIDG" -}; - -static const char *cm_setv[] = { - "WLDS", NULL, NULL, NULL, - "CAMS", NULL, NULL, NULL, - "SDSP", "PBLS", "HDPS", NULL, - "CFVS", NULL, NULL, NULL, - "USBG", NULL, NULL, "MODS", - "CRDS", NULL -}; - -#define EEEPC_EC "\\_SB.PCI0.SBRG.EC0." - -#define EEEPC_EC_FAN_PWM EEEPC_EC "SC02" /* Fan PWM duty cycle (%) */ -#define EEEPC_EC_SC02 0x63 -#define EEEPC_EC_FAN_HRPM EEEPC_EC "SC05" /* High byte, fan speed (RPM) */ -#define EEEPC_EC_FAN_LRPM EEEPC_EC "SC06" /* Low byte, fan speed (RPM) */ -#define EEEPC_EC_FAN_CTRL EEEPC_EC "SFB3" /* Byte containing SF25 */ -#define EEEPC_EC_SFB3 0xD3 - -/* - * This is the main structure, we can use it to store useful information - * about the hotk device - */ -struct eeepc_hotk { - struct acpi_device *device; /* the device we are in */ - acpi_handle handle; /* the handle of the hotk device */ - u32 cm_supported; /* the control methods supported - by this BIOS */ - uint init_flag; /* Init flags */ - u16 event_count[128]; /* count for each event */ - struct input_dev *inputdev; - u16 *keycode_map; - struct rfkill *eeepc_wlan_rfkill; - struct rfkill *eeepc_bluetooth_rfkill; -}; - -/* The actual device the driver binds to */ -static struct eeepc_hotk *ehotk; - -/* Platform device/driver */ -static struct platform_driver platform_driver = { - .driver = { - .name = EEEPC_HOTK_FILE, - .owner = THIS_MODULE, - } -}; - -static struct platform_device *platform_device; - -struct key_entry { - char type; - u8 code; - u16 keycode; -}; - -enum { KE_KEY, KE_END }; - -static struct key_entry eeepc_keymap[] = { - /* Sleep already handled via generic ACPI code */ - {KE_KEY, 0x10, KEY_WLAN }, - {KE_KEY, 0x12, KEY_PROG1 }, - {KE_KEY, 0x13, KEY_MUTE }, - {KE_KEY, 0x14, KEY_VOLUMEDOWN }, - {KE_KEY, 0x15, KEY_VOLUMEUP }, - {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, - {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, - {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, - {KE_END, 0}, -}; - -/* - * The hotkey driver declaration - */ -static int eeepc_hotk_add(struct acpi_device *device); -static int eeepc_hotk_remove(struct acpi_device *device, int type); - -static const struct acpi_device_id eeepc_device_ids[] = { - {EEEPC_HOTK_HID, 0}, - {"", 0}, -}; -MODULE_DEVICE_TABLE(acpi, eeepc_device_ids); - -static struct acpi_driver eeepc_hotk_driver = { - .name = EEEPC_HOTK_NAME, - .class = EEEPC_HOTK_CLASS, - .ids = eeepc_device_ids, - .ops = { - .add = eeepc_hotk_add, - .remove = eeepc_hotk_remove, - }, -}; - -/* The backlight device /sys/class/backlight */ -static struct backlight_device *eeepc_backlight_device; - -/* The hwmon device */ -static struct device *eeepc_hwmon_device; - -/* - * The backlight class declaration - */ -static int read_brightness(struct backlight_device *bd); -static int update_bl_status(struct backlight_device *bd); -static struct backlight_ops eeepcbl_ops = { - .get_brightness = read_brightness, - .update_status = update_bl_status, -}; - -MODULE_AUTHOR("Corentin Chary, Eric Cooper"); -MODULE_DESCRIPTION(EEEPC_HOTK_NAME); -MODULE_LICENSE("GPL"); - -/* - * ACPI Helpers - */ -static int write_acpi_int(acpi_handle handle, const char *method, int val, - struct acpi_buffer *output) -{ - struct acpi_object_list params; - union acpi_object in_obj; - acpi_status status; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = val; - - status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); - return (status == AE_OK ? 0 : -1); -} - -static int read_acpi_int(acpi_handle handle, const char *method, int *val) -{ - acpi_status status; - unsigned long long result; - - status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); - if (ACPI_FAILURE(status)) { - *val = -1; - return -1; - } else { - *val = result; - return 0; - } -} - -static int set_acpi(int cm, int value) -{ - if (ehotk->cm_supported & (0x1 << cm)) { - const char *method = cm_setv[cm]; - if (method == NULL) - return -ENODEV; - if (write_acpi_int(ehotk->handle, method, value, NULL)) - printk(EEEPC_WARNING "Error writing %s\n", method); - } - return 0; -} - -static int get_acpi(int cm) -{ - int value = -1; - if ((ehotk->cm_supported & (0x1 << cm))) { - const char *method = cm_getv[cm]; - if (method == NULL) - return -ENODEV; - if (read_acpi_int(ehotk->handle, method, &value)) - printk(EEEPC_WARNING "Error reading %s\n", method); - } - return value; -} - -/* - * Backlight - */ -static int read_brightness(struct backlight_device *bd) -{ - return get_acpi(CM_ASL_PANELBRIGHT); -} - -static int set_brightness(struct backlight_device *bd, int value) -{ - value = max(0, min(15, value)); - return set_acpi(CM_ASL_PANELBRIGHT, value); -} - -static int update_bl_status(struct backlight_device *bd) -{ - return set_brightness(bd, bd->props.brightness); -} - -/* - * Rfkill helpers - */ - -static int eeepc_wlan_rfkill_set(void *data, enum rfkill_state state) -{ - if (state == RFKILL_STATE_SOFT_BLOCKED) - return set_acpi(CM_ASL_WLAN, 0); - else - return set_acpi(CM_ASL_WLAN, 1); -} - -static int eeepc_wlan_rfkill_state(void *data, enum rfkill_state *state) -{ - if (get_acpi(CM_ASL_WLAN) == 1) - *state = RFKILL_STATE_UNBLOCKED; - else - *state = RFKILL_STATE_SOFT_BLOCKED; - return 0; -} - -static int eeepc_bluetooth_rfkill_set(void *data, enum rfkill_state state) -{ - if (state == RFKILL_STATE_SOFT_BLOCKED) - return set_acpi(CM_ASL_BLUETOOTH, 0); - else - return set_acpi(CM_ASL_BLUETOOTH, 1); -} - -static int eeepc_bluetooth_rfkill_state(void *data, enum rfkill_state *state) -{ - if (get_acpi(CM_ASL_BLUETOOTH) == 1) - *state = RFKILL_STATE_UNBLOCKED; - else - *state = RFKILL_STATE_SOFT_BLOCKED; - return 0; -} - -/* - * Sys helpers - */ -static int parse_arg(const char *buf, unsigned long count, int *val) -{ - if (!count) - return 0; - if (sscanf(buf, "%i", val) != 1) - return -EINVAL; - return count; -} - -static ssize_t store_sys_acpi(int cm, const char *buf, size_t count) -{ - int rv, value; - - rv = parse_arg(buf, count, &value); - if (rv > 0) - set_acpi(cm, value); - return rv; -} - -static ssize_t show_sys_acpi(int cm, char *buf) -{ - return sprintf(buf, "%d\n", get_acpi(cm)); -} - -#define EEEPC_CREATE_DEVICE_ATTR(_name, _cm) \ - static ssize_t show_##_name(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ - { \ - return show_sys_acpi(_cm, buf); \ - } \ - static ssize_t store_##_name(struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t count) \ - { \ - return store_sys_acpi(_cm, buf, count); \ - } \ - static struct device_attribute dev_attr_##_name = { \ - .attr = { \ - .name = __stringify(_name), \ - .mode = 0644 }, \ - .show = show_##_name, \ - .store = store_##_name, \ - } - -EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA); -EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER); -EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH); - -static struct attribute *platform_attributes[] = { - &dev_attr_camera.attr, - &dev_attr_cardr.attr, - &dev_attr_disp.attr, - NULL -}; - -static struct attribute_group platform_attribute_group = { - .attrs = platform_attributes -}; - -/* - * Hotkey functions - */ -static struct key_entry *eepc_get_entry_by_scancode(int code) -{ - struct key_entry *key; - - for (key = eeepc_keymap; key->type != KE_END; key++) - if (code == key->code) - return key; - - return NULL; -} - -static struct key_entry *eepc_get_entry_by_keycode(int code) -{ - struct key_entry *key; - - for (key = eeepc_keymap; key->type != KE_END; key++) - if (code == key->keycode && key->type == KE_KEY) - return key; - - return NULL; -} - -static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode) -{ - struct key_entry *key = eepc_get_entry_by_scancode(scancode); - - if (key && key->type == KE_KEY) { - *keycode = key->keycode; - return 0; - } - - return -EINVAL; -} - -static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode) -{ - struct key_entry *key; - int old_keycode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - - key = eepc_get_entry_by_scancode(scancode); - if (key && key->type == KE_KEY) { - old_keycode = key->keycode; - key->keycode = keycode; - set_bit(keycode, dev->keybit); - if (!eepc_get_entry_by_keycode(old_keycode)) - clear_bit(old_keycode, dev->keybit); - return 0; - } - - return -EINVAL; -} - -static int eeepc_hotk_check(void) -{ - const struct key_entry *key; - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - int result; - - result = acpi_bus_get_status(ehotk->device); - if (result) - return result; - if (ehotk->device->status.present) { - if (write_acpi_int(ehotk->handle, "INIT", ehotk->init_flag, - &buffer)) { - printk(EEEPC_ERR "Hotkey initialization failed\n"); - return -ENODEV; - } else { - printk(EEEPC_NOTICE "Hotkey init flags 0x%x\n", - ehotk->init_flag); - } - /* get control methods supported */ - if (read_acpi_int(ehotk->handle, "CMSG" - , &ehotk->cm_supported)) { - printk(EEEPC_ERR - "Get control methods supported failed\n"); - return -ENODEV; - } else { - printk(EEEPC_INFO - "Get control methods supported: 0x%x\n", - ehotk->cm_supported); - } - ehotk->inputdev = input_allocate_device(); - if (!ehotk->inputdev) { - printk(EEEPC_INFO "Unable to allocate input device\n"); - return 0; - } - ehotk->inputdev->name = "Asus EeePC extra buttons"; - ehotk->inputdev->phys = EEEPC_HOTK_FILE "/input0"; - ehotk->inputdev->id.bustype = BUS_HOST; - ehotk->inputdev->getkeycode = eeepc_getkeycode; - ehotk->inputdev->setkeycode = eeepc_setkeycode; - - for (key = eeepc_keymap; key->type != KE_END; key++) { - switch (key->type) { - case KE_KEY: - set_bit(EV_KEY, ehotk->inputdev->evbit); - set_bit(key->keycode, ehotk->inputdev->keybit); - break; - } - } - result = input_register_device(ehotk->inputdev); - if (result) { - printk(EEEPC_INFO "Unable to register input device\n"); - input_free_device(ehotk->inputdev); - return 0; - } - } else { - printk(EEEPC_ERR "Hotkey device not present, aborting\n"); - return -EINVAL; - } - return 0; -} - -static void notify_brn(void) -{ - struct backlight_device *bd = eeepc_backlight_device; - bd->props.brightness = read_brightness(bd); -} - -static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) -{ - static struct key_entry *key; - if (!ehotk) - return; - if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) - notify_brn(); - acpi_bus_generate_proc_event(ehotk->device, event, - ehotk->event_count[event % 128]++); - if (ehotk->inputdev) { - key = eepc_get_entry_by_scancode(event); - if (key) { - switch (key->type) { - case KE_KEY: - input_report_key(ehotk->inputdev, key->keycode, - 1); - input_sync(ehotk->inputdev); - input_report_key(ehotk->inputdev, key->keycode, - 0); - input_sync(ehotk->inputdev); - break; - } - } - } -} - -static int eeepc_hotk_add(struct acpi_device *device) -{ - acpi_status status = AE_OK; - int result; - - if (!device) - return -EINVAL; - printk(EEEPC_NOTICE EEEPC_HOTK_NAME "\n"); - ehotk = kzalloc(sizeof(struct eeepc_hotk), GFP_KERNEL); - if (!ehotk) - return -ENOMEM; - ehotk->init_flag = DISABLE_ASL_WLAN | DISABLE_ASL_DISPLAYSWITCH; - ehotk->handle = device->handle; - strcpy(acpi_device_name(device), EEEPC_HOTK_DEVICE_NAME); - strcpy(acpi_device_class(device), EEEPC_HOTK_CLASS); - device->driver_data = ehotk; - ehotk->device = device; - result = eeepc_hotk_check(); - if (result) - goto end; - status = acpi_install_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY, - eeepc_hotk_notify, ehotk); - if (ACPI_FAILURE(status)) - printk(EEEPC_ERR "Error installing notify handler\n"); - - if (get_acpi(CM_ASL_WLAN) != -1) { - ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev, - RFKILL_TYPE_WLAN); - - if (!ehotk->eeepc_wlan_rfkill) - goto end; - - ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan"; - ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set; - ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state; - if (get_acpi(CM_ASL_WLAN) == 1) - ehotk->eeepc_wlan_rfkill->state = - RFKILL_STATE_UNBLOCKED; - else - ehotk->eeepc_wlan_rfkill->state = - RFKILL_STATE_SOFT_BLOCKED; - rfkill_register(ehotk->eeepc_wlan_rfkill); - } - - if (get_acpi(CM_ASL_BLUETOOTH) != -1) { - ehotk->eeepc_bluetooth_rfkill = - rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH); - - if (!ehotk->eeepc_bluetooth_rfkill) - goto end; - - ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth"; - ehotk->eeepc_bluetooth_rfkill->toggle_radio = - eeepc_bluetooth_rfkill_set; - ehotk->eeepc_bluetooth_rfkill->get_state = - eeepc_bluetooth_rfkill_state; - if (get_acpi(CM_ASL_BLUETOOTH) == 1) - ehotk->eeepc_bluetooth_rfkill->state = - RFKILL_STATE_UNBLOCKED; - else - ehotk->eeepc_bluetooth_rfkill->state = - RFKILL_STATE_SOFT_BLOCKED; - rfkill_register(ehotk->eeepc_bluetooth_rfkill); - } - - end: - if (result) { - kfree(ehotk); - ehotk = NULL; - } - return result; -} - -static int eeepc_hotk_remove(struct acpi_device *device, int type) -{ - acpi_status status = 0; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - status = acpi_remove_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY, - eeepc_hotk_notify); - if (ACPI_FAILURE(status)) - printk(EEEPC_ERR "Error removing notify handler\n"); - kfree(ehotk); - return 0; -} - -/* - * Hwmon - */ -static int eeepc_get_fan_pwm(void) -{ - int value = 0; - - read_acpi_int(NULL, EEEPC_EC_FAN_PWM, &value); - value = value * 255 / 100; - return (value); -} - -static void eeepc_set_fan_pwm(int value) -{ - value = SENSORS_LIMIT(value, 0, 255); - value = value * 100 / 255; - ec_write(EEEPC_EC_SC02, value); -} - -static int eeepc_get_fan_rpm(void) -{ - int high = 0; - int low = 0; - - read_acpi_int(NULL, EEEPC_EC_FAN_HRPM, &high); - read_acpi_int(NULL, EEEPC_EC_FAN_LRPM, &low); - return (high << 8 | low); -} - -static int eeepc_get_fan_ctrl(void) -{ - int value = 0; - - read_acpi_int(NULL, EEEPC_EC_FAN_CTRL, &value); - return ((value & 0x02 ? 1 : 0)); -} - -static void eeepc_set_fan_ctrl(int manual) -{ - int value = 0; - - read_acpi_int(NULL, EEEPC_EC_FAN_CTRL, &value); - if (manual) - value |= 0x02; - else - value &= ~0x02; - ec_write(EEEPC_EC_SFB3, value); -} - -static ssize_t store_sys_hwmon(void (*set)(int), const char *buf, size_t count) -{ - int rv, value; - - rv = parse_arg(buf, count, &value); - if (rv > 0) - set(value); - return rv; -} - -static ssize_t show_sys_hwmon(int (*get)(void), char *buf) -{ - return sprintf(buf, "%d\n", get()); -} - -#define EEEPC_CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ - static ssize_t show_##_name(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ - { \ - return show_sys_hwmon(_set, buf); \ - } \ - static ssize_t store_##_name(struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t count) \ - { \ - return store_sys_hwmon(_get, buf, count); \ - } \ - static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); - -EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); -EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, - eeepc_get_fan_pwm, eeepc_set_fan_pwm); -EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, - eeepc_get_fan_ctrl, eeepc_set_fan_ctrl); - -static ssize_t -show_name(struct device *dev, struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "eeepc\n"); -} -static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); - -static struct attribute *hwmon_attributes[] = { - &sensor_dev_attr_pwm1.dev_attr.attr, - &sensor_dev_attr_fan1_input.dev_attr.attr, - &sensor_dev_attr_pwm1_enable.dev_attr.attr, - &sensor_dev_attr_name.dev_attr.attr, - NULL -}; - -static struct attribute_group hwmon_attribute_group = { - .attrs = hwmon_attributes -}; - -/* - * exit/init - */ -static void eeepc_backlight_exit(void) -{ - if (eeepc_backlight_device) - backlight_device_unregister(eeepc_backlight_device); - if (ehotk->inputdev) - input_unregister_device(ehotk->inputdev); - if (ehotk->eeepc_wlan_rfkill) - rfkill_unregister(ehotk->eeepc_wlan_rfkill); - if (ehotk->eeepc_bluetooth_rfkill) - rfkill_unregister(ehotk->eeepc_bluetooth_rfkill); - eeepc_backlight_device = NULL; -} - -static void eeepc_hwmon_exit(void) -{ - struct device *hwmon; - - hwmon = eeepc_hwmon_device; - if (!hwmon) - return ; - sysfs_remove_group(&hwmon->kobj, - &hwmon_attribute_group); - hwmon_device_unregister(hwmon); - eeepc_hwmon_device = NULL; -} - -static void __exit eeepc_laptop_exit(void) -{ - eeepc_backlight_exit(); - eeepc_hwmon_exit(); - acpi_bus_unregister_driver(&eeepc_hotk_driver); - sysfs_remove_group(&platform_device->dev.kobj, - &platform_attribute_group); - platform_device_unregister(platform_device); - platform_driver_unregister(&platform_driver); -} - -static int eeepc_backlight_init(struct device *dev) -{ - struct backlight_device *bd; - - bd = backlight_device_register(EEEPC_HOTK_FILE, dev, - NULL, &eeepcbl_ops); - if (IS_ERR(bd)) { - printk(EEEPC_ERR - "Could not register eeepc backlight device\n"); - eeepc_backlight_device = NULL; - return PTR_ERR(bd); - } - eeepc_backlight_device = bd; - bd->props.max_brightness = 15; - bd->props.brightness = read_brightness(NULL); - bd->props.power = FB_BLANK_UNBLANK; - backlight_update_status(bd); - return 0; -} - -static int eeepc_hwmon_init(struct device *dev) -{ - struct device *hwmon; - int result; - - hwmon = hwmon_device_register(dev); - if (IS_ERR(hwmon)) { - printk(EEEPC_ERR - "Could not register eeepc hwmon device\n"); - eeepc_hwmon_device = NULL; - return PTR_ERR(hwmon); - } - eeepc_hwmon_device = hwmon; - result = sysfs_create_group(&hwmon->kobj, - &hwmon_attribute_group); - if (result) - eeepc_hwmon_exit(); - return result; -} - -static int __init eeepc_laptop_init(void) -{ - struct device *dev; - int result; - - if (acpi_disabled) - return -ENODEV; - result = acpi_bus_register_driver(&eeepc_hotk_driver); - if (result < 0) - return result; - if (!ehotk) { - acpi_bus_unregister_driver(&eeepc_hotk_driver); - return -ENODEV; - } - dev = acpi_get_physical_device(ehotk->device->handle); - - if (!acpi_video_backlight_support()) { - result = eeepc_backlight_init(dev); - if (result) - goto fail_backlight; - } else - printk(EEEPC_INFO "Backlight controlled by ACPI video " - "driver\n"); - - result = eeepc_hwmon_init(dev); - if (result) - goto fail_hwmon; - /* Register platform stuff */ - result = platform_driver_register(&platform_driver); - if (result) - goto fail_platform_driver; - platform_device = platform_device_alloc(EEEPC_HOTK_FILE, -1); - if (!platform_device) { - result = -ENOMEM; - goto fail_platform_device1; - } - result = platform_device_add(platform_device); - if (result) - goto fail_platform_device2; - result = sysfs_create_group(&platform_device->dev.kobj, - &platform_attribute_group); - if (result) - goto fail_sysfs; - return 0; -fail_sysfs: - platform_device_del(platform_device); -fail_platform_device2: - platform_device_put(platform_device); -fail_platform_device1: - platform_driver_unregister(&platform_driver); -fail_platform_driver: - eeepc_hwmon_exit(); -fail_hwmon: - eeepc_backlight_exit(); -fail_backlight: - return result; -} - -module_init(eeepc_laptop_init); -module_exit(eeepc_laptop_exit); diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c index 0736cff9d97..3cf61ece71d 100644 --- a/drivers/misc/enclosure.c +++ b/drivers/misc/enclosure.c @@ -119,7 +119,7 @@ enclosure_register(struct device *dev, const char *name, int components, edev->edev.class = &enclosure_class; edev->edev.parent = get_device(dev); edev->cb = cb; - snprintf(edev->edev.bus_id, BUS_ID_SIZE, "%s", name); + dev_set_name(&edev->edev, name); err = device_register(&edev->edev); if (err) goto err; @@ -170,7 +170,7 @@ EXPORT_SYMBOL_GPL(enclosure_unregister); static void enclosure_link_name(struct enclosure_component *cdev, char *name) { strcpy(name, "enclosure_device:"); - strcat(name, cdev->cdev.bus_id); + strcat(name, dev_name(&cdev->cdev)); } static void enclosure_remove_links(struct enclosure_component *cdev) @@ -256,9 +256,9 @@ enclosure_component_register(struct enclosure_device *edev, cdev = &ecomp->cdev; cdev->parent = get_device(&edev->edev); if (name) - snprintf(cdev->bus_id, BUS_ID_SIZE, "%s", name); + dev_set_name(cdev, name); else - snprintf(cdev->bus_id, BUS_ID_SIZE, "%u", number); + dev_set_name(cdev, "%u", number); cdev->release = enclosure_component_release; cdev->groups = enclosure_groups; diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c deleted file mode 100644 index a7dd3e9fb79..00000000000 --- a/drivers/misc/fujitsu-laptop.c +++ /dev/null @@ -1,1126 +0,0 @@ -/*-*-linux-c-*-*/ - -/* - Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@physics.adelaide.edu.au> - Copyright (C) 2008 Peter Gruber <nokos@gmx.net> - Based on earlier work: - Copyright (C) 2003 Shane Spencer <shane@bogomip.com> - Adrian Yee <brewt-fujitsu@brewt.org> - - Templated from msi-laptop.c and thinkpad_acpi.c which is copyright - by its respective authors. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. - */ - -/* - * fujitsu-laptop.c - Fujitsu laptop support, providing access to additional - * features made available on a range of Fujitsu laptops including the - * P2xxx/P5xxx/S6xxx/S7xxx series. - * - * This driver exports a few files in /sys/devices/platform/fujitsu-laptop/; - * others may be added at a later date. - * - * lcd_level - Screen brightness: contains a single integer in the - * range 0..7. (rw) - * - * In addition to these platform device attributes the driver - * registers itself in the Linux backlight control subsystem and is - * available to userspace under /sys/class/backlight/fujitsu-laptop/. - * - * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are - * also supported by this driver. - * - * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and - * P8010. It should work on most P-series and S-series Lifebooks, but - * YMMV. - * - * The module parameter use_alt_lcd_levels switches between different ACPI - * brightness controls which are used by different Fujitsu laptops. In most - * cases the correct method is automatically detected. "use_alt_lcd_levels=1" - * is applicable for a Fujitsu Lifebook S6410 if autodetection fails. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/dmi.h> -#include <linux/backlight.h> -#include <linux/input.h> -#include <linux/kfifo.h> -#include <linux/video_output.h> -#include <linux/platform_device.h> - -#define FUJITSU_DRIVER_VERSION "0.4.3" - -#define FUJITSU_LCD_N_LEVELS 8 - -#define ACPI_FUJITSU_CLASS "fujitsu" -#define ACPI_FUJITSU_HID "FUJ02B1" -#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" -#define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1" -#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3" -#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" -#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3" - -#define ACPI_FUJITSU_NOTIFY_CODE1 0x80 - -#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86 -#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87 - -/* Hotkey details */ -#define KEY1_CODE 0x410 /* codes for the keys in the GIRB register */ -#define KEY2_CODE 0x411 -#define KEY3_CODE 0x412 -#define KEY4_CODE 0x413 - -#define MAX_HOTKEY_RINGBUFFER_SIZE 100 -#define RINGBUFFERSIZE 40 - -/* Debugging */ -#define FUJLAPTOP_LOG ACPI_FUJITSU_HID ": " -#define FUJLAPTOP_ERR KERN_ERR FUJLAPTOP_LOG -#define FUJLAPTOP_NOTICE KERN_NOTICE FUJLAPTOP_LOG -#define FUJLAPTOP_INFO KERN_INFO FUJLAPTOP_LOG -#define FUJLAPTOP_DEBUG KERN_DEBUG FUJLAPTOP_LOG - -#define FUJLAPTOP_DBG_ALL 0xffff -#define FUJLAPTOP_DBG_ERROR 0x0001 -#define FUJLAPTOP_DBG_WARN 0x0002 -#define FUJLAPTOP_DBG_INFO 0x0004 -#define FUJLAPTOP_DBG_TRACE 0x0008 - -#define dbg_printk(a_dbg_level, format, arg...) \ - do { if (dbg_level & a_dbg_level) \ - printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \ - } while (0) -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -#define vdbg_printk(a_dbg_level, format, arg...) \ - dbg_printk(a_dbg_level, format, ## arg) -#else -#define vdbg_printk(a_dbg_level, format, arg...) -#endif - -/* Device controlling the backlight and associated keys */ -struct fujitsu_t { - acpi_handle acpi_handle; - struct acpi_device *dev; - struct input_dev *input; - char phys[32]; - struct backlight_device *bl_device; - struct platform_device *pf_device; - int keycode1, keycode2, keycode3, keycode4; - - unsigned int max_brightness; - unsigned int brightness_changed; - unsigned int brightness_level; -}; - -static struct fujitsu_t *fujitsu; -static int use_alt_lcd_levels = -1; -static int disable_brightness_keys = -1; -static int disable_brightness_adjust = -1; - -/* Device used to access other hotkeys on the laptop */ -struct fujitsu_hotkey_t { - acpi_handle acpi_handle; - struct acpi_device *dev; - struct input_dev *input; - char phys[32]; - struct platform_device *pf_device; - struct kfifo *fifo; - spinlock_t fifo_lock; - - unsigned int irb; /* info about the pressed buttons */ -}; - -static struct fujitsu_hotkey_t *fujitsu_hotkey; - -static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, - void *data); - -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -static u32 dbg_level = 0x03; -#endif - -static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data); - -/* Hardware access for LCD brightness control */ - -static int set_lcd_level(int level) -{ - acpi_status status = AE_OK; - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg0 }; - acpi_handle handle = NULL; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", - level); - - if (level < 0 || level >= fujitsu->max_brightness) - return -EINVAL; - - if (!fujitsu) - return -EINVAL; - - status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle); - if (ACPI_FAILURE(status)) { - vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n"); - return -ENODEV; - } - - arg0.integer.value = level; - - status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return 0; -} - -static int set_lcd_level_alt(int level) -{ - acpi_status status = AE_OK; - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg0 }; - acpi_handle handle = NULL; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", - level); - - if (level < 0 || level >= fujitsu->max_brightness) - return -EINVAL; - - if (!fujitsu) - return -EINVAL; - - status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle); - if (ACPI_FAILURE(status)) { - vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n"); - return -ENODEV; - } - - arg0.integer.value = level; - - status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return 0; -} - -static int get_lcd_level(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); - - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state); - if (status < 0) - return status; - - fujitsu->brightness_level = state & 0x0fffffff; - - if (state & 0x80000000) - fujitsu->brightness_changed = 1; - else - fujitsu->brightness_changed = 0; - - return fujitsu->brightness_level; -} - -static int get_max_brightness(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); - - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state); - if (status < 0) - return status; - - fujitsu->max_brightness = state; - - return fujitsu->max_brightness; -} - -static int get_lcd_level_alt(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n"); - - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "GBLS", NULL, &state); - if (status < 0) - return status; - - fujitsu->brightness_level = state & 0x0fffffff; - - if (state & 0x80000000) - fujitsu->brightness_changed = 1; - else - fujitsu->brightness_changed = 0; - - return fujitsu->brightness_level; -} - -/* Backlight device stuff */ - -static int bl_get_brightness(struct backlight_device *b) -{ - if (use_alt_lcd_levels) - return get_lcd_level_alt(); - else - return get_lcd_level(); -} - -static int bl_update_status(struct backlight_device *b) -{ - if (use_alt_lcd_levels) - return set_lcd_level_alt(b->props.brightness); - else - return set_lcd_level(b->props.brightness); -} - -static struct backlight_ops fujitsubl_ops = { - .get_brightness = bl_get_brightness, - .update_status = bl_update_status, -}; - -/* Platform LCD brightness device */ - -static ssize_t -show_max_brightness(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - ret = get_max_brightness(); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t -show_brightness_changed(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - ret = fujitsu->brightness_changed; - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t show_lcd_level(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - if (use_alt_lcd_levels) - ret = get_lcd_level_alt(); - else - ret = get_lcd_level(); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t store_lcd_level(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - - int level, ret; - - if (sscanf(buf, "%i", &level) != 1 - || (level < 0 || level >= fujitsu->max_brightness)) - return -EINVAL; - - if (use_alt_lcd_levels) - ret = set_lcd_level_alt(level); - else - ret = set_lcd_level(level); - if (ret < 0) - return ret; - - if (use_alt_lcd_levels) - ret = get_lcd_level_alt(); - else - ret = get_lcd_level(); - if (ret < 0) - return ret; - - return count; -} - -/* Hardware access for hotkey device */ - -static int get_irb(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n"); - - status = - acpi_evaluate_integer(fujitsu_hotkey->acpi_handle, "GIRB", NULL, - &state); - if (status < 0) - return status; - - fujitsu_hotkey->irb = state; - - return fujitsu_hotkey->irb; -} - -static ssize_t -ignore_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return count; -} - -static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store); -static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed, - ignore_store); -static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level); - -static struct attribute *fujitsupf_attributes[] = { - &dev_attr_brightness_changed.attr, - &dev_attr_max_brightness.attr, - &dev_attr_lcd_level.attr, - NULL -}; - -static struct attribute_group fujitsupf_attribute_group = { - .attrs = fujitsupf_attributes -}; - -static struct platform_driver fujitsupf_driver = { - .driver = { - .name = "fujitsu-laptop", - .owner = THIS_MODULE, - } -}; - -static void dmi_check_cb_common(const struct dmi_system_id *id) -{ - acpi_handle handle; - int have_blnf; - printk(KERN_INFO "fujitsu-laptop: Identified laptop model '%s'.\n", - id->ident); - have_blnf = ACPI_SUCCESS - (acpi_get_handle(NULL, "\\_SB.PCI0.GFX0.LCD.BLNF", &handle)); - if (use_alt_lcd_levels == -1) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detecting usealt\n"); - use_alt_lcd_levels = 1; - } - if (disable_brightness_keys == -1) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "auto-detecting disable_keys\n"); - disable_brightness_keys = have_blnf ? 1 : 0; - } - if (disable_brightness_adjust == -1) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "auto-detecting disable_adjust\n"); - disable_brightness_adjust = have_blnf ? 0 : 1; - } -} - -static int dmi_check_cb_s6410(const struct dmi_system_id *id) -{ - dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ - fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ - return 0; -} - -static int dmi_check_cb_s6420(const struct dmi_system_id *id) -{ - dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ - fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ - return 0; -} - -static int dmi_check_cb_p8010(const struct dmi_system_id *id) -{ - dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_HELP; /* "Support" */ - fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ - fujitsu->keycode4 = KEY_WWW; /* "Internet" */ - return 0; -} - -static struct dmi_system_id fujitsu_dmi_table[] = { - { - .ident = "Fujitsu Siemens S6410", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"), - }, - .callback = dmi_check_cb_s6410}, - { - .ident = "Fujitsu Siemens S6420", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), - }, - .callback = dmi_check_cb_s6420}, - { - .ident = "Fujitsu LifeBook P8010", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), - DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"), - }, - .callback = dmi_check_cb_p8010}, - {} -}; - -/* ACPI device for LCD brightness control */ - -static int acpi_fujitsu_add(struct acpi_device *device) -{ - acpi_status status; - acpi_handle handle; - int result = 0; - int state = 0; - struct input_dev *input; - int error; - - if (!device) - return -EINVAL; - - fujitsu->acpi_handle = device->handle; - sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME); - sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - device->driver_data = fujitsu; - - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_notify, fujitsu); - - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "Error installing notify handler\n"); - error = -ENODEV; - goto err_stop; - } - - fujitsu->input = input = input_allocate_device(); - if (!input) { - error = -ENOMEM; - goto err_uninstall_notify; - } - - snprintf(fujitsu->phys, sizeof(fujitsu->phys), - "%s/video/input0", acpi_device_hid(device)); - - input->name = acpi_device_name(device); - input->phys = fujitsu->phys; - input->id.bustype = BUS_HOST; - input->id.product = 0x06; - input->dev.parent = &device->dev; - input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_BRIGHTNESSUP, input->keybit); - set_bit(KEY_BRIGHTNESSDOWN, input->keybit); - set_bit(KEY_UNKNOWN, input->keybit); - - error = input_register_device(input); - if (error) - goto err_free_input_dev; - - result = acpi_bus_get_power(fujitsu->acpi_handle, &state); - if (result) { - printk(KERN_ERR "Error reading power state\n"); - goto end; - } - - printk(KERN_INFO PREFIX "%s [%s] (%s)\n", - acpi_device_name(device), acpi_device_bid(device), - !device->power.state ? "on" : "off"); - - fujitsu->dev = device; - - if (ACPI_SUCCESS - (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) { - vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); - if (ACPI_FAILURE - (acpi_evaluate_object - (device->handle, METHOD_NAME__INI, NULL, NULL))) - printk(KERN_ERR "_INI Method failed\n"); - } - - /* do config (detect defaults) */ - use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; - disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0; - disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; - vdbg_printk(FUJLAPTOP_DBG_INFO, - "config: [alt interface: %d], [key disable: %d], [adjust disable: %d]\n", - use_alt_lcd_levels, disable_brightness_keys, - disable_brightness_adjust); - - if (get_max_brightness() <= 0) - fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS; - if (use_alt_lcd_levels) - get_lcd_level_alt(); - else - get_lcd_level(); - - return result; - -end: -err_free_input_dev: - input_free_device(input); -err_uninstall_notify: - acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_fujitsu_notify); -err_stop: - - return result; -} - -static int acpi_fujitsu_remove(struct acpi_device *device, int type) -{ - acpi_status status; - struct fujitsu_t *fujitsu = NULL; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - fujitsu = acpi_driver_data(device); - - status = acpi_remove_notify_handler(fujitsu->acpi_handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_notify); - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - fujitsu->acpi_handle = NULL; - - return 0; -} - -/* Brightness notify */ - -static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data) -{ - struct input_dev *input; - int keycode; - int oldb, newb; - - input = fujitsu->input; - - switch (event) { - case ACPI_FUJITSU_NOTIFY_CODE1: - keycode = 0; - oldb = fujitsu->brightness_level; - get_lcd_level(); /* the alt version always yields changed */ - newb = fujitsu->brightness_level; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "brightness button event [%i -> %i (%i)]\n", - oldb, newb, fujitsu->brightness_changed); - - if (oldb == newb && fujitsu->brightness_changed) { - keycode = 0; - if (disable_brightness_keys != 1) { - if (oldb == 0) { - acpi_bus_generate_proc_event - (fujitsu->dev, - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, - 0); - keycode = KEY_BRIGHTNESSDOWN; - } else if (oldb == - (fujitsu->max_brightness) - 1) { - acpi_bus_generate_proc_event - (fujitsu->dev, - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, - 0); - keycode = KEY_BRIGHTNESSUP; - } - } - } else if (oldb < newb) { - if (disable_brightness_adjust != 1) { - if (use_alt_lcd_levels) - set_lcd_level_alt(newb); - else - set_lcd_level(newb); - } - if (disable_brightness_keys != 1) { - acpi_bus_generate_proc_event(fujitsu->dev, - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0); - keycode = KEY_BRIGHTNESSUP; - } - } else if (oldb > newb) { - if (disable_brightness_adjust != 1) { - if (use_alt_lcd_levels) - set_lcd_level_alt(newb); - else - set_lcd_level(newb); - } - if (disable_brightness_keys != 1) { - acpi_bus_generate_proc_event(fujitsu->dev, - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0); - keycode = KEY_BRIGHTNESSDOWN; - } - } else { - keycode = KEY_UNKNOWN; - } - break; - default: - keycode = KEY_UNKNOWN; - vdbg_printk(FUJLAPTOP_DBG_WARN, - "unsupported event [0x%x]\n", event); - break; - } - - if (keycode != 0) { - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); - } - - return; -} - -/* ACPI device for hotkey handling */ - -static int acpi_fujitsu_hotkey_add(struct acpi_device *device) -{ - acpi_status status; - acpi_handle handle; - int result = 0; - int state = 0; - struct input_dev *input; - int error; - int i; - - if (!device) - return -EINVAL; - - fujitsu_hotkey->acpi_handle = device->handle; - sprintf(acpi_device_name(device), "%s", - ACPI_FUJITSU_HOTKEY_DEVICE_NAME); - sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - device->driver_data = fujitsu_hotkey; - - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_hotkey_notify, - fujitsu_hotkey); - - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "Error installing notify handler\n"); - error = -ENODEV; - goto err_stop; - } - - /* kfifo */ - spin_lock_init(&fujitsu_hotkey->fifo_lock); - fujitsu_hotkey->fifo = - kfifo_alloc(RINGBUFFERSIZE * sizeof(int), GFP_KERNEL, - &fujitsu_hotkey->fifo_lock); - if (IS_ERR(fujitsu_hotkey->fifo)) { - printk(KERN_ERR "kfifo_alloc failed\n"); - error = PTR_ERR(fujitsu_hotkey->fifo); - goto err_stop; - } - - fujitsu_hotkey->input = input = input_allocate_device(); - if (!input) { - error = -ENOMEM; - goto err_uninstall_notify; - } - - snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys), - "%s/video/input0", acpi_device_hid(device)); - - input->name = acpi_device_name(device); - input->phys = fujitsu_hotkey->phys; - input->id.bustype = BUS_HOST; - input->id.product = 0x06; - input->dev.parent = &device->dev; - input->evbit[0] = BIT(EV_KEY); - set_bit(fujitsu->keycode1, input->keybit); - set_bit(fujitsu->keycode2, input->keybit); - set_bit(fujitsu->keycode3, input->keybit); - set_bit(fujitsu->keycode4, input->keybit); - set_bit(KEY_UNKNOWN, input->keybit); - - error = input_register_device(input); - if (error) - goto err_free_input_dev; - - result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state); - if (result) { - printk(KERN_ERR "Error reading power state\n"); - goto end; - } - - printk(KERN_INFO PREFIX "%s [%s] (%s)\n", - acpi_device_name(device), acpi_device_bid(device), - !device->power.state ? "on" : "off"); - - fujitsu_hotkey->dev = device; - - if (ACPI_SUCCESS - (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) { - vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); - if (ACPI_FAILURE - (acpi_evaluate_object - (device->handle, METHOD_NAME__INI, NULL, NULL))) - printk(KERN_ERR "_INI Method failed\n"); - } - - i = 0; /* Discard hotkey ringbuffer */ - while (get_irb() != 0 && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) ; - vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i); - - return result; - -end: -err_free_input_dev: - input_free_device(input); -err_uninstall_notify: - acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_fujitsu_hotkey_notify); - kfifo_free(fujitsu_hotkey->fifo); -err_stop: - - return result; -} - -static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type) -{ - acpi_status status; - struct fujitsu_hotkey_t *fujitsu_hotkey = NULL; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - fujitsu_hotkey = acpi_driver_data(device); - - status = acpi_remove_notify_handler(fujitsu_hotkey->acpi_handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_hotkey_notify); - - fujitsu_hotkey->acpi_handle = NULL; - - kfifo_free(fujitsu_hotkey->fifo); - - return 0; -} - -static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, - void *data) -{ - struct input_dev *input; - int keycode, keycode_r; - unsigned int irb = 1; - int i, status; - - input = fujitsu_hotkey->input; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "Hotkey event\n"); - - switch (event) { - case ACPI_FUJITSU_NOTIFY_CODE1: - i = 0; - while ((irb = get_irb()) != 0 - && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, "GIRB result [%x]\n", - irb); - - switch (irb & 0x4ff) { - case KEY1_CODE: - keycode = fujitsu->keycode1; - break; - case KEY2_CODE: - keycode = fujitsu->keycode2; - break; - case KEY3_CODE: - keycode = fujitsu->keycode3; - break; - case KEY4_CODE: - keycode = fujitsu->keycode4; - break; - case 0: - keycode = 0; - break; - default: - vdbg_printk(FUJLAPTOP_DBG_WARN, - "Unknown GIRB result [%x]\n", irb); - keycode = -1; - break; - } - if (keycode > 0) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Push keycode into ringbuffer [%d]\n", - keycode); - status = kfifo_put(fujitsu_hotkey->fifo, - (unsigned char *)&keycode, - sizeof(keycode)); - if (status != sizeof(keycode)) { - vdbg_printk(FUJLAPTOP_DBG_WARN, - "Could not push keycode [0x%x]\n", - keycode); - } else { - input_report_key(input, keycode, 1); - input_sync(input); - } - } else if (keycode == 0) { - while ((status = - kfifo_get - (fujitsu_hotkey->fifo, (unsigned char *) - &keycode_r, - sizeof - (keycode_r))) == sizeof(keycode_r)) { - input_report_key(input, keycode_r, 0); - input_sync(input); - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Pop keycode from ringbuffer [%d]\n", - keycode_r); - } - } - } - - break; - default: - keycode = KEY_UNKNOWN; - vdbg_printk(FUJLAPTOP_DBG_WARN, - "Unsupported event [0x%x]\n", event); - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); - break; - } - - return; -} - -/* Initialization */ - -static const struct acpi_device_id fujitsu_device_ids[] = { - {ACPI_FUJITSU_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver acpi_fujitsu_driver = { - .name = ACPI_FUJITSU_DRIVER_NAME, - .class = ACPI_FUJITSU_CLASS, - .ids = fujitsu_device_ids, - .ops = { - .add = acpi_fujitsu_add, - .remove = acpi_fujitsu_remove, - }, -}; - -static const struct acpi_device_id fujitsu_hotkey_device_ids[] = { - {ACPI_FUJITSU_HOTKEY_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver acpi_fujitsu_hotkey_driver = { - .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME, - .class = ACPI_FUJITSU_CLASS, - .ids = fujitsu_hotkey_device_ids, - .ops = { - .add = acpi_fujitsu_hotkey_add, - .remove = acpi_fujitsu_hotkey_remove, - }, -}; - -static int __init fujitsu_init(void) -{ - int ret, result, max_brightness; - - if (acpi_disabled) - return -ENODEV; - - fujitsu = kmalloc(sizeof(struct fujitsu_t), GFP_KERNEL); - if (!fujitsu) - return -ENOMEM; - memset(fujitsu, 0, sizeof(struct fujitsu_t)); - fujitsu->keycode1 = KEY_PROG1; - fujitsu->keycode2 = KEY_PROG2; - fujitsu->keycode3 = KEY_PROG3; - fujitsu->keycode4 = KEY_PROG4; - dmi_check_system(fujitsu_dmi_table); - - result = acpi_bus_register_driver(&acpi_fujitsu_driver); - if (result < 0) { - ret = -ENODEV; - goto fail_acpi; - } - - /* Register platform stuff */ - - fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1); - if (!fujitsu->pf_device) { - ret = -ENOMEM; - goto fail_platform_driver; - } - - ret = platform_device_add(fujitsu->pf_device); - if (ret) - goto fail_platform_device1; - - ret = - sysfs_create_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); - if (ret) - goto fail_platform_device2; - - /* Register backlight stuff */ - - if (!acpi_video_backlight_support()) { - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); - if (IS_ERR(fujitsu->bl_device)) - return PTR_ERR(fujitsu->bl_device); - max_brightness = fujitsu->max_brightness; - fujitsu->bl_device->props.max_brightness = max_brightness - 1; - fujitsu->bl_device->props.brightness = fujitsu->brightness_level; - } - - ret = platform_driver_register(&fujitsupf_driver); - if (ret) - goto fail_backlight; - - /* Register hotkey driver */ - - fujitsu_hotkey = kmalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL); - if (!fujitsu_hotkey) { - ret = -ENOMEM; - goto fail_hotkey; - } - memset(fujitsu_hotkey, 0, sizeof(struct fujitsu_hotkey_t)); - - result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver); - if (result < 0) { - ret = -ENODEV; - goto fail_hotkey1; - } - - printk(KERN_INFO "fujitsu-laptop: driver " FUJITSU_DRIVER_VERSION - " successfully loaded.\n"); - - return 0; - -fail_hotkey1: - - kfree(fujitsu_hotkey); - -fail_hotkey: - - platform_driver_unregister(&fujitsupf_driver); - -fail_backlight: - - if (fujitsu->bl_device) - backlight_device_unregister(fujitsu->bl_device); - -fail_platform_device2: - - platform_device_del(fujitsu->pf_device); - -fail_platform_device1: - - platform_device_put(fujitsu->pf_device); - -fail_platform_driver: - - acpi_bus_unregister_driver(&acpi_fujitsu_driver); - -fail_acpi: - - kfree(fujitsu); - - return ret; -} - -static void __exit fujitsu_cleanup(void) -{ - sysfs_remove_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); - platform_device_unregister(fujitsu->pf_device); - platform_driver_unregister(&fujitsupf_driver); - if (fujitsu->bl_device) - backlight_device_unregister(fujitsu->bl_device); - - acpi_bus_unregister_driver(&acpi_fujitsu_driver); - - kfree(fujitsu); - - acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver); - - kfree(fujitsu_hotkey); - - printk(KERN_INFO "fujitsu-laptop: driver unloaded.\n"); -} - -module_init(fujitsu_init); -module_exit(fujitsu_cleanup); - -module_param(use_alt_lcd_levels, uint, 0644); -MODULE_PARM_DESC(use_alt_lcd_levels, - "Use alternative interface for lcd_levels (needed for Lifebook s6410)."); -module_param(disable_brightness_keys, uint, 0644); -MODULE_PARM_DESC(disable_brightness_keys, - "Disable brightness keys (eg. if they are already handled by the generic ACPI_VIDEO device)."); -module_param(disable_brightness_adjust, uint, 0644); -MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment ."); -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -module_param_named(debug, dbg_level, uint, 0644); -MODULE_PARM_DESC(debug, "Sets debug level bit-mask"); -#endif - -MODULE_AUTHOR("Jonathan Woithe, Peter Gruber"); -MODULE_DESCRIPTION("Fujitsu laptop extras support"); -MODULE_VERSION(FUJITSU_DRIVER_VERSION); -MODULE_LICENSE("GPL"); - -MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*"); -MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*"); - -static struct pnp_device_id pnp_ids[] = { - {.id = "FUJ02bf"}, - {.id = "FUJ02B1"}, - {.id = "FUJ02E3"}, - {.id = ""} -}; - -MODULE_DEVICE_TABLE(pnp, pnp_ids); diff --git a/drivers/misc/hp-wmi.c b/drivers/misc/hp-wmi.c deleted file mode 100644 index 4b7c24c519c..00000000000 --- a/drivers/misc/hp-wmi.c +++ /dev/null @@ -1,512 +0,0 @@ -/* - * HP WMI hotkeys - * - * Copyright (C) 2008 Red Hat <mjg@redhat.com> - * - * Portions based on wistron_btns.c: - * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> - * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> - * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/input.h> -#include <acpi/acpi_drivers.h> -#include <linux/platform_device.h> -#include <linux/acpi.h> -#include <linux/rfkill.h> -#include <linux/string.h> - -MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>"); -MODULE_DESCRIPTION("HP laptop WMI hotkeys driver"); -MODULE_LICENSE("GPL"); - -MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C"); -MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4"); - -#define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C" -#define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4" - -#define HPWMI_DISPLAY_QUERY 0x1 -#define HPWMI_HDDTEMP_QUERY 0x2 -#define HPWMI_ALS_QUERY 0x3 -#define HPWMI_DOCK_QUERY 0x4 -#define HPWMI_WIRELESS_QUERY 0x5 -#define HPWMI_HOTKEY_QUERY 0xc - -static int __init hp_wmi_bios_setup(struct platform_device *device); -static int __exit hp_wmi_bios_remove(struct platform_device *device); - -struct bios_args { - u32 signature; - u32 command; - u32 commandtype; - u32 datasize; - u32 data; -}; - -struct bios_return { - u32 sigpass; - u32 return_code; - u32 value; -}; - -struct key_entry { - char type; /* See KE_* below */ - u16 code; - u16 keycode; -}; - -enum { KE_KEY, KE_SW, KE_END }; - -static struct key_entry hp_wmi_keymap[] = { - {KE_SW, 0x01, SW_DOCK}, - {KE_KEY, 0x02, KEY_BRIGHTNESSUP}, - {KE_KEY, 0x03, KEY_BRIGHTNESSDOWN}, - {KE_KEY, 0x20e6, KEY_PROG1}, - {KE_KEY, 0x2142, KEY_MEDIA}, - {KE_KEY, 0x213b, KEY_INFO}, - {KE_KEY, 0x231b, KEY_HELP}, - {KE_END, 0} -}; - -static struct input_dev *hp_wmi_input_dev; -static struct platform_device *hp_wmi_platform_dev; - -static struct rfkill *wifi_rfkill; -static struct rfkill *bluetooth_rfkill; -static struct rfkill *wwan_rfkill; - -static struct platform_driver hp_wmi_driver = { - .driver = { - .name = "hp-wmi", - .owner = THIS_MODULE, - }, - .probe = hp_wmi_bios_setup, - .remove = hp_wmi_bios_remove, -}; - -static int hp_wmi_perform_query(int query, int write, int value) -{ - struct bios_return bios_return; - acpi_status status; - union acpi_object *obj; - struct bios_args args = { - .signature = 0x55434553, - .command = write ? 0x2 : 0x1, - .commandtype = query, - .datasize = write ? 0x4 : 0, - .data = value, - }; - struct acpi_buffer input = { sizeof(struct bios_args), &args }; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - - status = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output); - - obj = output.pointer; - - if (!obj || obj->type != ACPI_TYPE_BUFFER) - return -EINVAL; - - bios_return = *((struct bios_return *)obj->buffer.pointer); - if (bios_return.return_code > 0) - return bios_return.return_code * -1; - else - return bios_return.value; -} - -static int hp_wmi_display_state(void) -{ - return hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, 0); -} - -static int hp_wmi_hddtemp_state(void) -{ - return hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, 0); -} - -static int hp_wmi_als_state(void) -{ - return hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, 0); -} - -static int hp_wmi_dock_state(void) -{ - return hp_wmi_perform_query(HPWMI_DOCK_QUERY, 0, 0); -} - -static int hp_wmi_wifi_set(void *data, enum rfkill_state state) -{ - if (state) - return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x101); - else - return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x100); -} - -static int hp_wmi_bluetooth_set(void *data, enum rfkill_state state) -{ - if (state) - return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x202); - else - return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x200); -} - -static int hp_wmi_wwan_set(void *data, enum rfkill_state state) -{ - if (state) - return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x404); - else - return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, 0x400); -} - -static int hp_wmi_wifi_state(void) -{ - int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); - - if (wireless & 0x100) - return RFKILL_STATE_UNBLOCKED; - else - return RFKILL_STATE_SOFT_BLOCKED; -} - -static int hp_wmi_bluetooth_state(void) -{ - int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); - - if (wireless & 0x10000) - return RFKILL_STATE_UNBLOCKED; - else - return RFKILL_STATE_SOFT_BLOCKED; -} - -static int hp_wmi_wwan_state(void) -{ - int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); - - if (wireless & 0x1000000) - return RFKILL_STATE_UNBLOCKED; - else - return RFKILL_STATE_SOFT_BLOCKED; -} - -static ssize_t show_display(struct device *dev, struct device_attribute *attr, - char *buf) -{ - int value = hp_wmi_display_state(); - if (value < 0) - return -EINVAL; - return sprintf(buf, "%d\n", value); -} - -static ssize_t show_hddtemp(struct device *dev, struct device_attribute *attr, - char *buf) -{ - int value = hp_wmi_hddtemp_state(); - if (value < 0) - return -EINVAL; - return sprintf(buf, "%d\n", value); -} - -static ssize_t show_als(struct device *dev, struct device_attribute *attr, - char *buf) -{ - int value = hp_wmi_als_state(); - if (value < 0) - return -EINVAL; - return sprintf(buf, "%d\n", value); -} - -static ssize_t show_dock(struct device *dev, struct device_attribute *attr, - char *buf) -{ - int value = hp_wmi_dock_state(); - if (value < 0) - return -EINVAL; - return sprintf(buf, "%d\n", value); -} - -static ssize_t set_als(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - u32 tmp = simple_strtoul(buf, NULL, 10); - hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, tmp); - return count; -} - -static DEVICE_ATTR(display, S_IRUGO, show_display, NULL); -static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL); -static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als); -static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL); - -static struct key_entry *hp_wmi_get_entry_by_scancode(int code) -{ - struct key_entry *key; - - for (key = hp_wmi_keymap; key->type != KE_END; key++) - if (code == key->code) - return key; - - return NULL; -} - -static struct key_entry *hp_wmi_get_entry_by_keycode(int keycode) -{ - struct key_entry *key; - - for (key = hp_wmi_keymap; key->type != KE_END; key++) - if (key->type == KE_KEY && keycode == key->keycode) - return key; - - return NULL; -} - -static int hp_wmi_getkeycode(struct input_dev *dev, int scancode, int *keycode) -{ - struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode); - - if (key && key->type == KE_KEY) { - *keycode = key->keycode; - return 0; - } - - return -EINVAL; -} - -static int hp_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode) -{ - struct key_entry *key; - int old_keycode; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - - key = hp_wmi_get_entry_by_scancode(scancode); - if (key && key->type == KE_KEY) { - old_keycode = key->keycode; - key->keycode = keycode; - set_bit(keycode, dev->keybit); - if (!hp_wmi_get_entry_by_keycode(old_keycode)) - clear_bit(old_keycode, dev->keybit); - return 0; - } - - return -EINVAL; -} - -static void hp_wmi_notify(u32 value, void *context) -{ - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - static struct key_entry *key; - union acpi_object *obj; - - wmi_get_event_data(value, &response); - - obj = (union acpi_object *)response.pointer; - - if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == 8) { - int eventcode = *((u8 *) obj->buffer.pointer); - if (eventcode == 0x4) - eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, - 0); - key = hp_wmi_get_entry_by_scancode(eventcode); - if (key) { - switch (key->type) { - case KE_KEY: - input_report_key(hp_wmi_input_dev, - key->keycode, 1); - input_sync(hp_wmi_input_dev); - input_report_key(hp_wmi_input_dev, - key->keycode, 0); - input_sync(hp_wmi_input_dev); - break; - case KE_SW: - input_report_switch(hp_wmi_input_dev, - key->keycode, - hp_wmi_dock_state()); - input_sync(hp_wmi_input_dev); - break; - } - } else if (eventcode == 0x5) { - if (wifi_rfkill) - rfkill_force_state(wifi_rfkill, - hp_wmi_wifi_state()); - if (bluetooth_rfkill) - rfkill_force_state(bluetooth_rfkill, - hp_wmi_bluetooth_state()); - if (wwan_rfkill) - rfkill_force_state(wwan_rfkill, - hp_wmi_wwan_state()); - } else - printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n", - eventcode); - } else - printk(KERN_INFO "HP WMI: Unknown response received\n"); -} - -static int __init hp_wmi_input_setup(void) -{ - struct key_entry *key; - int err; - - hp_wmi_input_dev = input_allocate_device(); - - hp_wmi_input_dev->name = "HP WMI hotkeys"; - hp_wmi_input_dev->phys = "wmi/input0"; - hp_wmi_input_dev->id.bustype = BUS_HOST; - hp_wmi_input_dev->getkeycode = hp_wmi_getkeycode; - hp_wmi_input_dev->setkeycode = hp_wmi_setkeycode; - - for (key = hp_wmi_keymap; key->type != KE_END; key++) { - switch (key->type) { - case KE_KEY: - set_bit(EV_KEY, hp_wmi_input_dev->evbit); - set_bit(key->keycode, hp_wmi_input_dev->keybit); - break; - case KE_SW: - set_bit(EV_SW, hp_wmi_input_dev->evbit); - set_bit(key->keycode, hp_wmi_input_dev->swbit); - break; - } - } - - err = input_register_device(hp_wmi_input_dev); - - if (err) { - input_free_device(hp_wmi_input_dev); - return err; - } - - return 0; -} - -static void cleanup_sysfs(struct platform_device *device) -{ - device_remove_file(&device->dev, &dev_attr_display); - device_remove_file(&device->dev, &dev_attr_hddtemp); - device_remove_file(&device->dev, &dev_attr_als); - device_remove_file(&device->dev, &dev_attr_dock); -} - -static int __init hp_wmi_bios_setup(struct platform_device *device) -{ - int err; - int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0); - - err = device_create_file(&device->dev, &dev_attr_display); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_hddtemp); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_als); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_dock); - if (err) - goto add_sysfs_error; - - if (wireless & 0x1) { - wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN); - wifi_rfkill->name = "hp-wifi"; - wifi_rfkill->state = hp_wmi_wifi_state(); - wifi_rfkill->toggle_radio = hp_wmi_wifi_set; - wifi_rfkill->user_claim_unsupported = 1; - rfkill_register(wifi_rfkill); - } - - if (wireless & 0x2) { - bluetooth_rfkill = rfkill_allocate(&device->dev, - RFKILL_TYPE_BLUETOOTH); - bluetooth_rfkill->name = "hp-bluetooth"; - bluetooth_rfkill->state = hp_wmi_bluetooth_state(); - bluetooth_rfkill->toggle_radio = hp_wmi_bluetooth_set; - bluetooth_rfkill->user_claim_unsupported = 1; - rfkill_register(bluetooth_rfkill); - } - - if (wireless & 0x4) { - wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN); - wwan_rfkill->name = "hp-wwan"; - wwan_rfkill->state = hp_wmi_wwan_state(); - wwan_rfkill->toggle_radio = hp_wmi_wwan_set; - wwan_rfkill->user_claim_unsupported = 1; - rfkill_register(wwan_rfkill); - } - - return 0; -add_sysfs_error: - cleanup_sysfs(device); - return err; -} - -static int __exit hp_wmi_bios_remove(struct platform_device *device) -{ - cleanup_sysfs(device); - - if (wifi_rfkill) - rfkill_unregister(wifi_rfkill); - if (bluetooth_rfkill) - rfkill_unregister(bluetooth_rfkill); - if (wwan_rfkill) - rfkill_unregister(wwan_rfkill); - - return 0; -} - -static int __init hp_wmi_init(void) -{ - int err; - - if (wmi_has_guid(HPWMI_EVENT_GUID)) { - err = wmi_install_notify_handler(HPWMI_EVENT_GUID, - hp_wmi_notify, NULL); - if (!err) - hp_wmi_input_setup(); - } - - if (wmi_has_guid(HPWMI_BIOS_GUID)) { - err = platform_driver_register(&hp_wmi_driver); - if (err) - return 0; - hp_wmi_platform_dev = platform_device_alloc("hp-wmi", -1); - if (!hp_wmi_platform_dev) { - platform_driver_unregister(&hp_wmi_driver); - return 0; - } - platform_device_add(hp_wmi_platform_dev); - } - - return 0; -} - -static void __exit hp_wmi_exit(void) -{ - if (wmi_has_guid(HPWMI_EVENT_GUID)) { - wmi_remove_notify_handler(HPWMI_EVENT_GUID); - input_unregister_device(hp_wmi_input_dev); - } - if (hp_wmi_platform_dev) { - platform_device_del(hp_wmi_platform_dev); - platform_driver_unregister(&hp_wmi_driver); - } -} - -module_init(hp_wmi_init); -module_exit(hp_wmi_exit); diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c deleted file mode 100644 index 27b7662955b..00000000000 --- a/drivers/misc/intel_menlow.c +++ /dev/null @@ -1,536 +0,0 @@ -/* - * intel_menlow.c - Intel menlow Driver for thermal management extension - * - * Copyright (C) 2008 Intel Corp - * Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com> - * Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com> - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This driver creates the sys I/F for programming the sensors. - * It also implements the driver for intel menlow memory controller (hardware - * id is INT0002) which makes use of the platform specific ACPI methods - * to get/set bandwidth. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/pm.h> - -#include <linux/thermal.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> - -MODULE_AUTHOR("Thomas Sujith"); -MODULE_AUTHOR("Zhang Rui"); -MODULE_DESCRIPTION("Intel Menlow platform specific driver"); -MODULE_LICENSE("GPL"); - -/* - * Memory controller device control - */ - -#define MEMORY_GET_BANDWIDTH "GTHS" -#define MEMORY_SET_BANDWIDTH "STHS" -#define MEMORY_ARG_CUR_BANDWIDTH 1 -#define MEMORY_ARG_MAX_BANDWIDTH 0 - -/* - * GTHS returning 'n' would mean that [0,n-1] states are supported - * In that case max_cstate would be n-1 - * GTHS returning '0' would mean that no bandwidth control states are supported - */ -static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, - unsigned long *max_state) -{ - struct acpi_device *device = cdev->devdata; - acpi_handle handle = device->handle; - unsigned long long value; - struct acpi_object_list arg_list; - union acpi_object arg; - acpi_status status = AE_OK; - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = MEMORY_ARG_MAX_BANDWIDTH; - status = acpi_evaluate_integer(handle, MEMORY_GET_BANDWIDTH, - &arg_list, &value); - if (ACPI_FAILURE(status)) - return -EFAULT; - - if (!value) - return -EINVAL; - - *max_state = value - 1; - return 0; -} - -static int memory_get_max_bandwidth(struct thermal_cooling_device *cdev, - char *buf) -{ - unsigned long value; - if (memory_get_int_max_bandwidth(cdev, &value)) - return -EINVAL; - - return sprintf(buf, "%ld\n", value); -} - -static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev, - char *buf) -{ - struct acpi_device *device = cdev->devdata; - acpi_handle handle = device->handle; - unsigned long long value; - struct acpi_object_list arg_list; - union acpi_object arg; - acpi_status status = AE_OK; - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = MEMORY_ARG_CUR_BANDWIDTH; - status = acpi_evaluate_integer(handle, MEMORY_GET_BANDWIDTH, - &arg_list, &value); - if (ACPI_FAILURE(status)) - return -EFAULT; - - return sprintf(buf, "%llu\n", value); -} - -static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, - unsigned int state) -{ - struct acpi_device *device = cdev->devdata; - acpi_handle handle = device->handle; - struct acpi_object_list arg_list; - union acpi_object arg; - acpi_status status; - unsigned long long temp; - unsigned long max_state; - - if (memory_get_int_max_bandwidth(cdev, &max_state)) - return -EFAULT; - - if (state > max_state) - return -EINVAL; - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = state; - - status = - acpi_evaluate_integer(handle, MEMORY_SET_BANDWIDTH, &arg_list, - &temp); - - printk(KERN_INFO - "Bandwidth value was %d: status is %d\n", state, status); - if (ACPI_FAILURE(status)) - return -EFAULT; - - return 0; -} - -static struct thermal_cooling_device_ops memory_cooling_ops = { - .get_max_state = memory_get_max_bandwidth, - .get_cur_state = memory_get_cur_bandwidth, - .set_cur_state = memory_set_cur_bandwidth, -}; - -/* - * Memory Device Management - */ -static int intel_menlow_memory_add(struct acpi_device *device) -{ - int result = -ENODEV; - acpi_status status = AE_OK; - acpi_handle dummy; - struct thermal_cooling_device *cdev; - - if (!device) - return -EINVAL; - - status = acpi_get_handle(device->handle, MEMORY_GET_BANDWIDTH, &dummy); - if (ACPI_FAILURE(status)) - goto end; - - status = acpi_get_handle(device->handle, MEMORY_SET_BANDWIDTH, &dummy); - if (ACPI_FAILURE(status)) - goto end; - - cdev = thermal_cooling_device_register("Memory controller", device, - &memory_cooling_ops); - if (IS_ERR(cdev)) { - result = PTR_ERR(cdev); - goto end; - } - - device->driver_data = cdev; - result = sysfs_create_link(&device->dev.kobj, - &cdev->device.kobj, "thermal_cooling"); - if (result) - goto unregister; - - result = sysfs_create_link(&cdev->device.kobj, - &device->dev.kobj, "device"); - if (result) { - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - goto unregister; - } - - end: - return result; - - unregister: - thermal_cooling_device_unregister(cdev); - return result; - -} - -static int intel_menlow_memory_remove(struct acpi_device *device, int type) -{ - struct thermal_cooling_device *cdev = acpi_driver_data(device); - - if (!device || !cdev) - return -EINVAL; - - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - sysfs_remove_link(&cdev->device.kobj, "device"); - thermal_cooling_device_unregister(cdev); - - return 0; -} - -static const struct acpi_device_id intel_menlow_memory_ids[] = { - {"INT0002", 0}, - {"", 0}, -}; - -static struct acpi_driver intel_menlow_memory_driver = { - .name = "intel_menlow_thermal_control", - .ids = intel_menlow_memory_ids, - .ops = { - .add = intel_menlow_memory_add, - .remove = intel_menlow_memory_remove, - }, -}; - -/* - * Sensor control on menlow platform - */ - -#define THERMAL_AUX0 0 -#define THERMAL_AUX1 1 -#define GET_AUX0 "GAX0" -#define GET_AUX1 "GAX1" -#define SET_AUX0 "SAX0" -#define SET_AUX1 "SAX1" - -struct intel_menlow_attribute { - struct device_attribute attr; - struct device *device; - acpi_handle handle; - struct list_head node; -}; - -static LIST_HEAD(intel_menlow_attr_list); -static DEFINE_MUTEX(intel_menlow_attr_lock); - -/* - * sensor_get_auxtrip - get the current auxtrip value from sensor - * @name: Thermalzone name - * @auxtype : AUX0/AUX1 - * @buf: syfs buffer - */ -static int sensor_get_auxtrip(acpi_handle handle, int index, - unsigned long long *value) -{ - acpi_status status; - - if ((index != 0 && index != 1) || !value) - return -EINVAL; - - status = acpi_evaluate_integer(handle, index ? GET_AUX1 : GET_AUX0, - NULL, value); - if (ACPI_FAILURE(status)) - return -EIO; - - return 0; -} - -/* - * sensor_set_auxtrip - set the new auxtrip value to sensor - * @name: Thermalzone name - * @auxtype : AUX0/AUX1 - * @buf: syfs buffer - */ -static int sensor_set_auxtrip(acpi_handle handle, int index, int value) -{ - acpi_status status; - union acpi_object arg = { - ACPI_TYPE_INTEGER - }; - struct acpi_object_list args = { - 1, &arg - }; - unsigned long long temp; - - if (index != 0 && index != 1) - return -EINVAL; - - status = acpi_evaluate_integer(handle, index ? GET_AUX0 : GET_AUX1, - NULL, &temp); - if (ACPI_FAILURE(status)) - return -EIO; - if ((index && value < temp) || (!index && value > temp)) - return -EINVAL; - - arg.integer.value = value; - status = acpi_evaluate_integer(handle, index ? SET_AUX1 : SET_AUX0, - &args, &temp); - if (ACPI_FAILURE(status)) - return -EIO; - - /* do we need to check the return value of SAX0/SAX1 ? */ - - return 0; -} - -#define to_intel_menlow_attr(_attr) \ - container_of(_attr, struct intel_menlow_attribute, attr) - -static ssize_t aux0_show(struct device *dev, - struct device_attribute *dev_attr, char *buf) -{ - struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr); - unsigned long long value; - int result; - - result = sensor_get_auxtrip(attr->handle, 0, &value); - - return result ? result : sprintf(buf, "%lu", KELVIN_TO_CELSIUS(value)); -} - -static ssize_t aux1_show(struct device *dev, - struct device_attribute *dev_attr, char *buf) -{ - struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr); - unsigned long long value; - int result; - - result = sensor_get_auxtrip(attr->handle, 1, &value); - - return result ? result : sprintf(buf, "%lu", KELVIN_TO_CELSIUS(value)); -} - -static ssize_t aux0_store(struct device *dev, - struct device_attribute *dev_attr, - const char *buf, size_t count) -{ - struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr); - int value; - int result; - - /*Sanity check; should be a positive integer */ - if (!sscanf(buf, "%d", &value)) - return -EINVAL; - - if (value < 0) - return -EINVAL; - - result = sensor_set_auxtrip(attr->handle, 0, CELSIUS_TO_KELVIN(value)); - return result ? result : count; -} - -static ssize_t aux1_store(struct device *dev, - struct device_attribute *dev_attr, - const char *buf, size_t count) -{ - struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr); - int value; - int result; - - /*Sanity check; should be a positive integer */ - if (!sscanf(buf, "%d", &value)) - return -EINVAL; - - if (value < 0) - return -EINVAL; - - result = sensor_set_auxtrip(attr->handle, 1, CELSIUS_TO_KELVIN(value)); - return result ? result : count; -} - -/* BIOS can enable/disable the thermal user application in dabney platform */ -#define BIOS_ENABLED "\\_TZ.GSTS" -static ssize_t bios_enabled_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - acpi_status status; - unsigned long long bios_enabled; - - status = acpi_evaluate_integer(NULL, BIOS_ENABLED, NULL, &bios_enabled); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return sprintf(buf, "%s\n", bios_enabled ? "enabled" : "disabled"); -} - -static int intel_menlow_add_one_attribute(char *name, int mode, void *show, - void *store, struct device *dev, - acpi_handle handle) -{ - struct intel_menlow_attribute *attr; - int result; - - attr = kzalloc(sizeof(struct intel_menlow_attribute), GFP_KERNEL); - if (!attr) - return -ENOMEM; - - attr->attr.attr.name = name; - attr->attr.attr.mode = mode; - attr->attr.show = show; - attr->attr.store = store; - attr->device = dev; - attr->handle = handle; - - result = device_create_file(dev, &attr->attr); - if (result) - return result; - - mutex_lock(&intel_menlow_attr_lock); - list_add_tail(&attr->node, &intel_menlow_attr_list); - mutex_unlock(&intel_menlow_attr_lock); - - return 0; -} - -static acpi_status intel_menlow_register_sensor(acpi_handle handle, u32 lvl, - void *context, void **rv) -{ - acpi_status status; - acpi_handle dummy; - struct thermal_zone_device *thermal; - int result; - - result = acpi_bus_get_private_data(handle, (void **)&thermal); - if (result) - return 0; - - /* _TZ must have the AUX0/1 methods */ - status = acpi_get_handle(handle, GET_AUX0, &dummy); - if (ACPI_FAILURE(status)) - goto not_found; - - status = acpi_get_handle(handle, SET_AUX0, &dummy); - if (ACPI_FAILURE(status)) - goto not_found; - - result = intel_menlow_add_one_attribute("aux0", 0644, - aux0_show, aux0_store, - &thermal->device, handle); - if (result) - return AE_ERROR; - - status = acpi_get_handle(handle, GET_AUX1, &dummy); - if (ACPI_FAILURE(status)) - goto not_found; - - status = acpi_get_handle(handle, SET_AUX1, &dummy); - if (ACPI_FAILURE(status)) - goto not_found; - - result = intel_menlow_add_one_attribute("aux1", 0644, - aux1_show, aux1_store, - &thermal->device, handle); - if (result) - return AE_ERROR; - - /* - * create the "dabney_enabled" attribute which means the user app - * should be loaded or not - */ - - result = intel_menlow_add_one_attribute("bios_enabled", 0444, - bios_enabled_show, NULL, - &thermal->device, handle); - if (result) - return AE_ERROR; - - not_found: - if (status == AE_NOT_FOUND) - return AE_OK; - else - return status; -} - -static void intel_menlow_unregister_sensor(void) -{ - struct intel_menlow_attribute *pos, *next; - - mutex_lock(&intel_menlow_attr_lock); - list_for_each_entry_safe(pos, next, &intel_menlow_attr_list, node) { - list_del(&pos->node); - device_remove_file(pos->device, &pos->attr); - kfree(pos); - } - mutex_unlock(&intel_menlow_attr_lock); - - return; -} - -static int __init intel_menlow_module_init(void) -{ - int result = -ENODEV; - acpi_status status; - unsigned long long enable; - - if (acpi_disabled) - return result; - - /* Looking for the \_TZ.GSTS method */ - status = acpi_evaluate_integer(NULL, BIOS_ENABLED, NULL, &enable); - if (ACPI_FAILURE(status) || !enable) - return -ENODEV; - - /* Looking for ACPI device MEM0 with hardware id INT0002 */ - result = acpi_bus_register_driver(&intel_menlow_memory_driver); - if (result) - return result; - - /* Looking for sensors in each ACPI thermal zone */ - status = acpi_walk_namespace(ACPI_TYPE_THERMAL, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, - intel_menlow_register_sensor, NULL, NULL); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return 0; -} - -static void __exit intel_menlow_module_exit(void) -{ - acpi_bus_unregister_driver(&intel_menlow_memory_driver); - intel_menlow_unregister_sensor(); -} - -module_init(intel_menlow_module_init); -module_exit(intel_menlow_module_exit); diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c deleted file mode 100644 index 759763d18e4..00000000000 --- a/drivers/misc/msi-laptop.c +++ /dev/null @@ -1,437 +0,0 @@ -/*-*-linux-c-*-*/ - -/* - Copyright (C) 2006 Lennart Poettering <mzxreary (at) 0pointer (dot) de> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. - */ - -/* - * msi-laptop.c - MSI S270 laptop support. This laptop is sold under - * various brands, including "Cytron/TCM/Medion/Tchibo MD96100". - * - * Driver also supports S271, S420 models. - * - * This driver exports a few files in /sys/devices/platform/msi-laptop-pf/: - * - * lcd_level - Screen brightness: contains a single integer in the - * range 0..8. (rw) - * - * auto_brightness - Enable automatic brightness control: contains - * either 0 or 1. If set to 1 the hardware adjusts the screen - * brightness automatically when the power cord is - * plugged/unplugged. (rw) - * - * wlan - WLAN subsystem enabled: contains either 0 or 1. (ro) - * - * bluetooth - Bluetooth subsystem enabled: contains either 0 or 1 - * Please note that this file is constantly 0 if no Bluetooth - * hardware is available. (ro) - * - * In addition to these platform device attributes the driver - * registers itself in the Linux backlight control subsystem and is - * available to userspace under /sys/class/backlight/msi-laptop-bl/. - * - * This driver might work on other laptops produced by MSI. If you - * want to try it you can pass force=1 as argument to the module which - * will force it to load even when the DMI data doesn't identify the - * laptop as MSI S270. YMMV. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/dmi.h> -#include <linux/backlight.h> -#include <linux/platform_device.h> - -#define MSI_DRIVER_VERSION "0.5" - -#define MSI_LCD_LEVEL_MAX 9 - -#define MSI_EC_COMMAND_WIRELESS 0x10 -#define MSI_EC_COMMAND_LCD_LEVEL 0x11 - -static int force; -module_param(force, bool, 0); -MODULE_PARM_DESC(force, "Force driver load, ignore DMI data"); - -static int auto_brightness; -module_param(auto_brightness, int, 0); -MODULE_PARM_DESC(auto_brightness, "Enable automatic brightness control (0: disabled; 1: enabled; 2: don't touch)"); - -/* Hardware access */ - -static int set_lcd_level(int level) -{ - u8 buf[2]; - - if (level < 0 || level >= MSI_LCD_LEVEL_MAX) - return -EINVAL; - - buf[0] = 0x80; - buf[1] = (u8) (level*31); - - return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, buf, sizeof(buf), NULL, 0, 1); -} - -static int get_lcd_level(void) -{ - u8 wdata = 0, rdata; - int result; - - result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1); - if (result < 0) - return result; - - return (int) rdata / 31; -} - -static int get_auto_brightness(void) -{ - u8 wdata = 4, rdata; - int result; - - result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, &wdata, 1, &rdata, 1, 1); - if (result < 0) - return result; - - return !!(rdata & 8); -} - -static int set_auto_brightness(int enable) -{ - u8 wdata[2], rdata; - int result; - - wdata[0] = 4; - - result = ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 1, &rdata, 1, 1); - if (result < 0) - return result; - - wdata[0] = 0x84; - wdata[1] = (rdata & 0xF7) | (enable ? 8 : 0); - - return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0, 1); -} - -static int get_wireless_state(int *wlan, int *bluetooth) -{ - u8 wdata = 0, rdata; - int result; - - result = ec_transaction(MSI_EC_COMMAND_WIRELESS, &wdata, 1, &rdata, 1, 1); - if (result < 0) - return -1; - - if (wlan) - *wlan = !!(rdata & 8); - - if (bluetooth) - *bluetooth = !!(rdata & 128); - - return 0; -} - -/* Backlight device stuff */ - -static int bl_get_brightness(struct backlight_device *b) -{ - return get_lcd_level(); -} - - -static int bl_update_status(struct backlight_device *b) -{ - return set_lcd_level(b->props.brightness); -} - -static struct backlight_ops msibl_ops = { - .get_brightness = bl_get_brightness, - .update_status = bl_update_status, -}; - -static struct backlight_device *msibl_device; - -/* Platform device */ - -static ssize_t show_wlan(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret, enabled; - - ret = get_wireless_state(&enabled, NULL); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", enabled); -} - -static ssize_t show_bluetooth(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret, enabled; - - ret = get_wireless_state(NULL, &enabled); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", enabled); -} - -static ssize_t show_lcd_level(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - ret = get_lcd_level(); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t store_lcd_level(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - - int level, ret; - - if (sscanf(buf, "%i", &level) != 1 || (level < 0 || level >= MSI_LCD_LEVEL_MAX)) - return -EINVAL; - - ret = set_lcd_level(level); - if (ret < 0) - return ret; - - return count; -} - -static ssize_t show_auto_brightness(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - ret = get_auto_brightness(); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t store_auto_brightness(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - - int enable, ret; - - if (sscanf(buf, "%i", &enable) != 1 || (enable != (enable & 1))) - return -EINVAL; - - ret = set_auto_brightness(enable); - if (ret < 0) - return ret; - - return count; -} - -static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level); -static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness, store_auto_brightness); -static DEVICE_ATTR(bluetooth, 0444, show_bluetooth, NULL); -static DEVICE_ATTR(wlan, 0444, show_wlan, NULL); - -static struct attribute *msipf_attributes[] = { - &dev_attr_lcd_level.attr, - &dev_attr_auto_brightness.attr, - &dev_attr_bluetooth.attr, - &dev_attr_wlan.attr, - NULL -}; - -static struct attribute_group msipf_attribute_group = { - .attrs = msipf_attributes -}; - -static struct platform_driver msipf_driver = { - .driver = { - .name = "msi-laptop-pf", - .owner = THIS_MODULE, - } -}; - -static struct platform_device *msipf_device; - -/* Initialization */ - -static int dmi_check_cb(const struct dmi_system_id *id) -{ - printk("msi-laptop: Identified laptop model '%s'.\n", id->ident); - return 0; -} - -static struct dmi_system_id __initdata msi_dmi_table[] = { - { - .ident = "MSI S270", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD"), - DMI_MATCH(DMI_PRODUCT_NAME, "MS-1013"), - DMI_MATCH(DMI_PRODUCT_VERSION, "0131"), - DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT'L CO.,LTD") - }, - .callback = dmi_check_cb - }, - { - .ident = "MSI S271", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), - DMI_MATCH(DMI_PRODUCT_NAME, "MS-1058"), - DMI_MATCH(DMI_PRODUCT_VERSION, "0581"), - DMI_MATCH(DMI_BOARD_NAME, "MS-1058") - }, - .callback = dmi_check_cb - }, - { - .ident = "MSI S420", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), - DMI_MATCH(DMI_PRODUCT_NAME, "MS-1412"), - DMI_MATCH(DMI_BOARD_VENDOR, "MSI"), - DMI_MATCH(DMI_BOARD_NAME, "MS-1412") - }, - .callback = dmi_check_cb - }, - { - .ident = "Medion MD96100", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "NOTEBOOK"), - DMI_MATCH(DMI_PRODUCT_NAME, "SAM2000"), - DMI_MATCH(DMI_PRODUCT_VERSION, "0131"), - DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR INT'L CO.,LTD") - }, - .callback = dmi_check_cb - }, - { } -}; - -static int __init msi_init(void) -{ - int ret; - - if (acpi_disabled) - return -ENODEV; - - if (!force && !dmi_check_system(msi_dmi_table)) - return -ENODEV; - - if (auto_brightness < 0 || auto_brightness > 2) - return -EINVAL; - - /* Register backlight stuff */ - - if (acpi_video_backlight_support()) { - printk(KERN_INFO "MSI: Brightness ignored, must be controlled " - "by ACPI video driver\n"); - } else { - msibl_device = backlight_device_register("msi-laptop-bl", NULL, - NULL, &msibl_ops); - if (IS_ERR(msibl_device)) - return PTR_ERR(msibl_device); - msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; - } - - ret = platform_driver_register(&msipf_driver); - if (ret) - goto fail_backlight; - - /* Register platform stuff */ - - msipf_device = platform_device_alloc("msi-laptop-pf", -1); - if (!msipf_device) { - ret = -ENOMEM; - goto fail_platform_driver; - } - - ret = platform_device_add(msipf_device); - if (ret) - goto fail_platform_device1; - - ret = sysfs_create_group(&msipf_device->dev.kobj, &msipf_attribute_group); - if (ret) - goto fail_platform_device2; - - /* Disable automatic brightness control by default because - * this module was probably loaded to do brightness control in - * software. */ - - if (auto_brightness != 2) - set_auto_brightness(auto_brightness); - - printk(KERN_INFO "msi-laptop: driver "MSI_DRIVER_VERSION" successfully loaded.\n"); - - return 0; - -fail_platform_device2: - - platform_device_del(msipf_device); - -fail_platform_device1: - - platform_device_put(msipf_device); - -fail_platform_driver: - - platform_driver_unregister(&msipf_driver); - -fail_backlight: - - backlight_device_unregister(msibl_device); - - return ret; -} - -static void __exit msi_cleanup(void) -{ - - sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group); - platform_device_unregister(msipf_device); - platform_driver_unregister(&msipf_driver); - backlight_device_unregister(msibl_device); - - /* Enable automatic brightness control again */ - if (auto_brightness != 2) - set_auto_brightness(1); - - printk(KERN_INFO "msi-laptop: driver unloaded.\n"); -} - -module_init(msi_init); -module_exit(msi_cleanup); - -MODULE_AUTHOR("Lennart Poettering"); -MODULE_DESCRIPTION("MSI Laptop Support"); -MODULE_VERSION(MSI_DRIVER_VERSION); -MODULE_LICENSE("GPL"); - -MODULE_ALIAS("dmi:*:svnMICRO-STARINT'LCO.,LTD:pnMS-1013:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*"); -MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1058:pvr0581:rvnMSI:rnMS-1058:*:ct10:*"); -MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1412:*:rvnMSI:rnMS-1412:*:cvnMICRO-STARINT'LCO.,LTD:ct10:*"); -MODULE_ALIAS("dmi:*:svnNOTEBOOK:pnSAM2000:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*"); diff --git a/drivers/misc/panasonic-laptop.c b/drivers/misc/panasonic-laptop.c deleted file mode 100644 index 4a1bc64485d..00000000000 --- a/drivers/misc/panasonic-laptop.c +++ /dev/null @@ -1,766 +0,0 @@ -/* - * Panasonic HotKey and LCD brightness control driver - * (C) 2004 Hiroshi Miura <miura@da-cha.org> - * (C) 2004 NTT DATA Intellilink Co. http://www.intellilink.co.jp/ - * (C) YOKOTA Hiroshi <yokota (at) netlab. is. tsukuba. ac. jp> - * (C) 2004 David Bronaugh <dbronaugh> - * (C) 2006-2008 Harald Welte <laforge@gnumonks.org> - * - * derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * publicshed by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - *--------------------------------------------------------------------------- - * - * ChangeLog: - * Sep.23, 2008 Harald Welte <laforge@gnumonks.org> - * -v0.95 rename driver from drivers/acpi/pcc_acpi.c to - * drivers/misc/panasonic-laptop.c - * - * Jul.04, 2008 Harald Welte <laforge@gnumonks.org> - * -v0.94 replace /proc interface with device attributes - * support {set,get}keycode on th input device - * - * Jun.27, 2008 Harald Welte <laforge@gnumonks.org> - * -v0.92 merge with 2.6.26-rc6 input API changes - * remove broken <= 2.6.15 kernel support - * resolve all compiler warnings - * various coding style fixes (checkpatch.pl) - * add support for backlight api - * major code restructuring - * - * Dac.28, 2007 Harald Welte <laforge@gnumonks.org> - * -v0.91 merge with 2.6.24-rc6 ACPI changes - * - * Nov.04, 2006 Hiroshi Miura <miura@da-cha.org> - * -v0.9 remove warning about section reference. - * remove acpi_os_free - * add /proc/acpi/pcc/brightness interface for HAL access - * merge dbronaugh's enhancement - * Aug.17, 2004 David Bronaugh (dbronaugh) - * - Added screen brightness setting interface - * Thanks to FreeBSD crew (acpi_panasonic.c) - * for the ideas I needed to accomplish it - * - * May.29, 2006 Hiroshi Miura <miura@da-cha.org> - * -v0.8.4 follow to change keyinput structure - * thanks Fabian Yamaguchi <fabs@cs.tu-berlin.de>, - * Jacob Bower <jacob.bower@ic.ac.uk> and - * Hiroshi Yokota for providing solutions. - * - * Oct.02, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.8.2 merge code of YOKOTA Hiroshi - * <yokota@netlab.is.tsukuba.ac.jp>. - * Add sticky key mode interface. - * Refactoring acpi_pcc_generate_keyinput(). - * - * Sep.15, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.8 Generate key input event on input subsystem. - * This is based on yet another driver written by - * Ryuta Nakanishi. - * - * Sep.10, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.7 Change proc interface functions using seq_file - * facility as same as other ACPI drivers. - * - * Aug.28, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.6.4 Fix a silly error with status checking - * - * Aug.25, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.6.3 replace read_acpi_int by standard function - * acpi_evaluate_integer - * some clean up and make smart copyright notice. - * fix return value of pcc_acpi_get_key() - * fix checking return value of acpi_bus_register_driver() - * - * Aug.22, 2004 David Bronaugh <dbronaugh@linuxboxen.org> - * -v0.6.2 Add check on ACPI data (num_sifr) - * Coding style cleanups, better error messages/handling - * Fixed an off-by-one error in memory allocation - * - * Aug.21, 2004 David Bronaugh <dbronaugh@linuxboxen.org> - * -v0.6.1 Fix a silly error with status checking - * - * Aug.20, 2004 David Bronaugh <dbronaugh@linuxboxen.org> - * - v0.6 Correct brightness controls to reflect reality - * based on information gleaned by Hiroshi Miura - * and discussions with Hiroshi Miura - * - * Aug.10, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.5 support LCD brightness control - * based on the disclosed information by MEI. - * - * Jul.25, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.4 first post version - * add function to retrive SIFR - * - * Jul.24, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.3 get proper status of hotkey - * - * Jul.22, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.2 add HotKey handler - * - * Jul.17, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.1 start from toshiba_acpi driver written by John Belmonte - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/backlight.h> -#include <linux/ctype.h> -#include <linux/seq_file.h> -#include <linux/uaccess.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> -#include <linux/input.h> - - -#ifndef ACPI_HOTKEY_COMPONENT -#define ACPI_HOTKEY_COMPONENT 0x10000000 -#endif - -#define _COMPONENT ACPI_HOTKEY_COMPONENT - -MODULE_AUTHOR("Hiroshi Miura, David Bronaugh and Harald Welte"); -MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops"); -MODULE_LICENSE("GPL"); - -#define LOGPREFIX "pcc_acpi: " - -/* Define ACPI PATHs */ -/* Lets note hotkeys */ -#define METHOD_HKEY_QUERY "HINF" -#define METHOD_HKEY_SQTY "SQTY" -#define METHOD_HKEY_SINF "SINF" -#define METHOD_HKEY_SSET "SSET" -#define HKEY_NOTIFY 0x80 - -#define ACPI_PCC_DRIVER_NAME "Panasonic Laptop Support" -#define ACPI_PCC_DEVICE_NAME "Hotkey" -#define ACPI_PCC_CLASS "pcc" - -#define ACPI_PCC_INPUT_PHYS "panasonic/hkey0" - -/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent - ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00 -*/ -enum SINF_BITS { SINF_NUM_BATTERIES = 0, - SINF_LCD_TYPE, - SINF_AC_MAX_BRIGHT, - SINF_AC_MIN_BRIGHT, - SINF_AC_CUR_BRIGHT, - SINF_DC_MAX_BRIGHT, - SINF_DC_MIN_BRIGHT, - SINF_DC_CUR_BRIGHT, - SINF_MUTE, - SINF_RESERVED, - SINF_ENV_STATE, - SINF_STICKY_KEY = 0x80, - }; -/* R1 handles SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT, doesn't know AC state */ - -static int acpi_pcc_hotkey_add(struct acpi_device *device); -static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type); -static int acpi_pcc_hotkey_resume(struct acpi_device *device); - -static const struct acpi_device_id pcc_device_ids[] = { - { "MAT0012", 0}, - { "MAT0013", 0}, - { "MAT0018", 0}, - { "MAT0019", 0}, - { "", 0}, -}; - -static struct acpi_driver acpi_pcc_driver = { - .name = ACPI_PCC_DRIVER_NAME, - .class = ACPI_PCC_CLASS, - .ids = pcc_device_ids, - .ops = { - .add = acpi_pcc_hotkey_add, - .remove = acpi_pcc_hotkey_remove, - .resume = acpi_pcc_hotkey_resume, - }, -}; - -#define KEYMAP_SIZE 11 -static const int initial_keymap[KEYMAP_SIZE] = { - /* 0 */ KEY_RESERVED, - /* 1 */ KEY_BRIGHTNESSDOWN, - /* 2 */ KEY_BRIGHTNESSUP, - /* 3 */ KEY_DISPLAYTOGGLE, - /* 4 */ KEY_MUTE, - /* 5 */ KEY_VOLUMEDOWN, - /* 6 */ KEY_VOLUMEUP, - /* 7 */ KEY_SLEEP, - /* 8 */ KEY_PROG1, /* Change CPU boost */ - /* 9 */ KEY_BATTERY, - /* 10 */ KEY_SUSPEND, -}; - -struct pcc_acpi { - acpi_handle handle; - unsigned long num_sifr; - int sticky_mode; - u32 *sinf; - struct acpi_device *device; - struct input_dev *input_dev; - struct backlight_device *backlight; - int keymap[KEYMAP_SIZE]; -}; - -struct pcc_keyinput { - struct acpi_hotkey *hotkey; -}; - -/* method access functions */ -static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val) -{ - union acpi_object in_objs[] = { - { .integer.type = ACPI_TYPE_INTEGER, - .integer.value = func, }, - { .integer.type = ACPI_TYPE_INTEGER, - .integer.value = val, }, - }; - struct acpi_object_list params = { - .count = ARRAY_SIZE(in_objs), - .pointer = in_objs, - }; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE("acpi_pcc_write_sset"); - - status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET, - ¶ms, NULL); - - return status == AE_OK; -} - -static inline int acpi_pcc_get_sqty(struct acpi_device *device) -{ - unsigned long long s; - acpi_status status; - - ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty"); - - status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY, - NULL, &s); - if (ACPI_SUCCESS(status)) - return s; - else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "evaluation error HKEY.SQTY\n")); - return -EINVAL; - } -} - -static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf) -{ - acpi_status status; - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *hkey = NULL; - int i; - - ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata"); - - status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, 0, - &buffer); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "evaluation error HKEY.SINF\n")); - return 0; - } - - hkey = buffer.pointer; - if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n")); - goto end; - } - - if (pcc->num_sifr < hkey->package.count) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "SQTY reports bad SINF length\n")); - status = AE_ERROR; - goto end; - } - - for (i = 0; i < hkey->package.count; i++) { - union acpi_object *element = &(hkey->package.elements[i]); - if (likely(element->type == ACPI_TYPE_INTEGER)) { - sinf[i] = element->integer.value; - } else - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid HKEY.SINF data\n")); - } - sinf[hkey->package.count] = -1; - -end: - kfree(buffer.pointer); - return status == AE_OK; -} - -/* backlight API interface functions */ - -/* This driver currently treats AC and DC brightness identical, - * since we don't need to invent an interface to the core ACPI - * logic to receive events in case a power supply is plugged in - * or removed */ - -static int bl_get(struct backlight_device *bd) -{ - struct pcc_acpi *pcc = bl_get_data(bd); - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) - return -EIO; - - return pcc->sinf[SINF_AC_CUR_BRIGHT]; -} - -static int bl_set_status(struct backlight_device *bd) -{ - struct pcc_acpi *pcc = bl_get_data(bd); - int bright = bd->props.brightness; - int rc; - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) - return -EIO; - - if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT]) - bright = pcc->sinf[SINF_AC_MIN_BRIGHT]; - - if (bright < pcc->sinf[SINF_DC_MIN_BRIGHT]) - bright = pcc->sinf[SINF_DC_MIN_BRIGHT]; - - if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT] || - bright > pcc->sinf[SINF_AC_MAX_BRIGHT]) - return -EINVAL; - - rc = acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, bright); - if (rc < 0) - return rc; - - return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright); -} - -static struct backlight_ops pcc_backlight_ops = { - .get_brightness = bl_get, - .update_status = bl_set_status, -}; - - -/* sysfs user interface functions */ - -static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct acpi_device *acpi = to_acpi_device(dev); - struct pcc_acpi *pcc = acpi_driver_data(acpi); - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) - return -EIO; - - return sprintf(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]); -} - -static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct acpi_device *acpi = to_acpi_device(dev); - struct pcc_acpi *pcc = acpi_driver_data(acpi); - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) - return -EIO; - - return sprintf(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]); -} - -static ssize_t show_mute(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct acpi_device *acpi = to_acpi_device(dev); - struct pcc_acpi *pcc = acpi_driver_data(acpi); - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) - return -EIO; - - return sprintf(buf, "%u\n", pcc->sinf[SINF_MUTE]); -} - -static ssize_t show_sticky(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct acpi_device *acpi = to_acpi_device(dev); - struct pcc_acpi *pcc = acpi_driver_data(acpi); - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) - return -EIO; - - return sprintf(buf, "%u\n", pcc->sinf[SINF_STICKY_KEY]); -} - -static ssize_t set_sticky(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_device *acpi = to_acpi_device(dev); - struct pcc_acpi *pcc = acpi_driver_data(acpi); - int val; - - if (count && sscanf(buf, "%i", &val) == 1 && - (val == 0 || val == 1)) { - acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, val); - pcc->sticky_mode = val; - } - - return count; -} - -static DEVICE_ATTR(numbatt, S_IRUGO, show_numbatt, NULL); -static DEVICE_ATTR(lcdtype, S_IRUGO, show_lcdtype, NULL); -static DEVICE_ATTR(mute, S_IRUGO, show_mute, NULL); -static DEVICE_ATTR(sticky_key, S_IRUGO | S_IWUSR, show_sticky, set_sticky); - -static struct attribute *pcc_sysfs_entries[] = { - &dev_attr_numbatt.attr, - &dev_attr_lcdtype.attr, - &dev_attr_mute.attr, - &dev_attr_sticky_key.attr, - NULL, -}; - -static struct attribute_group pcc_attr_group = { - .name = NULL, /* put in device directory */ - .attrs = pcc_sysfs_entries, -}; - - -/* hotkey input device driver */ - -static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode) -{ - struct pcc_acpi *pcc = input_get_drvdata(dev); - - if (scancode >= ARRAY_SIZE(pcc->keymap)) - return -EINVAL; - - *keycode = pcc->keymap[scancode]; - - return 0; -} - -static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++) { - if (pcc->keymap[i] == keycode) - return i+1; - } - - return 0; -} - -static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode) -{ - struct pcc_acpi *pcc = input_get_drvdata(dev); - int oldkeycode; - - if (scancode >= ARRAY_SIZE(pcc->keymap)) - return -EINVAL; - - if (keycode < 0 || keycode > KEY_MAX) - return -EINVAL; - - oldkeycode = pcc->keymap[scancode]; - pcc->keymap[scancode] = keycode; - - set_bit(keycode, dev->keybit); - - if (!keymap_get_by_keycode(pcc, oldkeycode)) - clear_bit(oldkeycode, dev->keybit); - - return 0; -} - -static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) -{ - struct input_dev *hotk_input_dev = pcc->input_dev; - int rc; - int key_code, hkey_num; - unsigned long long result; - - ACPI_FUNCTION_TRACE("acpi_pcc_generate_keyinput"); - - rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY, - NULL, &result); - if (!ACPI_SUCCESS(rc)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "error getting hotkey status\n")); - return; - } - - acpi_bus_generate_proc_event(pcc->device, HKEY_NOTIFY, result); - - hkey_num = result & 0xf; - - if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "hotkey number out of range: %d\n", - hkey_num)); - return; - } - - key_code = pcc->keymap[hkey_num]; - - if (key_code != KEY_RESERVED) { - int pushed = (result & 0x80) ? TRUE : FALSE; - - input_report_key(hotk_input_dev, key_code, pushed); - input_sync(hotk_input_dev); - } - - return; -} - -static void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data) -{ - struct pcc_acpi *pcc = (struct pcc_acpi *) data; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify"); - - switch (event) { - case HKEY_NOTIFY: - acpi_pcc_generate_keyinput(pcc); - break; - default: - /* nothing to do */ - break; - } -} - -static int acpi_pcc_init_input(struct pcc_acpi *pcc) -{ - int i, rc; - - ACPI_FUNCTION_TRACE("acpi_pcc_init_input"); - - pcc->input_dev = input_allocate_device(); - if (!pcc->input_dev) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Couldn't allocate input device for hotkey")); - return -ENOMEM; - } - - pcc->input_dev->evbit[0] = BIT(EV_KEY); - - pcc->input_dev->name = ACPI_PCC_DRIVER_NAME; - pcc->input_dev->phys = ACPI_PCC_INPUT_PHYS; - pcc->input_dev->id.bustype = BUS_HOST; - pcc->input_dev->id.vendor = 0x0001; - pcc->input_dev->id.product = 0x0001; - pcc->input_dev->id.version = 0x0100; - pcc->input_dev->getkeycode = pcc_getkeycode; - pcc->input_dev->setkeycode = pcc_setkeycode; - - /* load initial keymap */ - memcpy(pcc->keymap, initial_keymap, sizeof(pcc->keymap)); - - for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++) - __set_bit(pcc->keymap[i], pcc->input_dev->keybit); - __clear_bit(KEY_RESERVED, pcc->input_dev->keybit); - - input_set_drvdata(pcc->input_dev, pcc); - - rc = input_register_device(pcc->input_dev); - if (rc < 0) - input_free_device(pcc->input_dev); - - return rc; -} - -/* kernel module interface */ - -static int acpi_pcc_hotkey_resume(struct acpi_device *device) -{ - struct pcc_acpi *pcc = acpi_driver_data(device); - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume"); - - if (device == NULL || pcc == NULL) - return -EINVAL; - - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n", - pcc->sticky_mode)); - - status = acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode); - - return status == AE_OK ? 0 : -EINVAL; -} - -static int acpi_pcc_hotkey_add(struct acpi_device *device) -{ - acpi_status status; - struct pcc_acpi *pcc; - int num_sifr, result; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add"); - - if (!device) - return -EINVAL; - - num_sifr = acpi_pcc_get_sqty(device); - - if (num_sifr > 255) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large")); - return -ENODEV; - } - - pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL); - if (!pcc) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Couldn't allocate mem for pcc")); - return -ENOMEM; - } - - pcc->sinf = kzalloc(sizeof(u32) * (num_sifr + 1), GFP_KERNEL); - if (!pcc->sinf) { - result = -ENOMEM; - goto out_hotkey; - } - - pcc->device = device; - pcc->handle = device->handle; - pcc->num_sifr = num_sifr; - device->driver_data = pcc; - strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_PCC_CLASS); - - result = acpi_pcc_init_input(pcc); - if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing keyinput handler\n")); - goto out_sinf; - } - - /* initialize hotkey input device */ - status = acpi_install_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY, - acpi_pcc_hotkey_notify, pcc); - - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); - result = -ENODEV; - goto out_input; - } - - /* initialize backlight */ - pcc->backlight = backlight_device_register("panasonic", NULL, pcc, - &pcc_backlight_ops); - if (IS_ERR(pcc->backlight)) - goto out_notify; - - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Couldn't retrieve BIOS data\n")); - goto out_backlight; - } - - /* read the initial brightness setting from the hardware */ - pcc->backlight->props.max_brightness = - pcc->sinf[SINF_AC_MAX_BRIGHT]; - pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; - - /* read the initial sticky key mode from the hardware */ - pcc->sticky_mode = pcc->sinf[SINF_STICKY_KEY]; - - /* add sysfs attributes */ - result = sysfs_create_group(&device->dev.kobj, &pcc_attr_group); - if (result) - goto out_backlight; - - return 0; - -out_backlight: - backlight_device_unregister(pcc->backlight); -out_notify: - acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY, - acpi_pcc_hotkey_notify); -out_input: - input_unregister_device(pcc->input_dev); - /* no need to input_free_device() since core input API refcount and - * free()s the device */ -out_sinf: - kfree(pcc->sinf); -out_hotkey: - kfree(pcc); - - return result; -} - -static int __init acpi_pcc_init(void) -{ - int result = 0; - - ACPI_FUNCTION_TRACE("acpi_pcc_init"); - - if (acpi_disabled) - return -ENODEV; - - result = acpi_bus_register_driver(&acpi_pcc_driver); - if (result < 0) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error registering hotkey driver\n")); - return -ENODEV; - } - - return 0; -} - -static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type) -{ - struct pcc_acpi *pcc = acpi_driver_data(device); - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove"); - - if (!device || !pcc) - return -EINVAL; - - sysfs_remove_group(&device->dev.kobj, &pcc_attr_group); - - backlight_device_unregister(pcc->backlight); - - acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY, - acpi_pcc_hotkey_notify); - - input_unregister_device(pcc->input_dev); - /* no need to input_free_device() since core input API refcount and - * free()s the device */ - - kfree(pcc->sinf); - kfree(pcc); - - return 0; -} - -static void __exit acpi_pcc_exit(void) -{ - ACPI_FUNCTION_TRACE("acpi_pcc_exit"); - - acpi_bus_unregister_driver(&acpi_pcc_driver); -} - -module_init(acpi_pcc_init); -module_exit(acpi_pcc_exit); diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c index 81152b3e360..7957f525b2f 100644 --- a/drivers/misc/sgi-xp/xpnet.c +++ b/drivers/misc/sgi-xp/xpnet.c @@ -95,11 +95,6 @@ struct xpnet_pending_msg { atomic_t use_count; }; -/* driver specific structure pointed to by the device structure */ -struct xpnet_dev_private { - struct net_device_stats stats; -}; - struct net_device *xpnet_device; /* @@ -153,7 +148,6 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg) struct sk_buff *skb; void *dst; enum xp_retval ret; - struct xpnet_dev_private *priv = netdev_priv(xpnet_device); if (!XPNET_VALID_MSG(msg)) { /* @@ -161,7 +155,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg) */ xpc_received(partid, channel, (void *)msg); - priv->stats.rx_errors++; + xpnet_device->stats.rx_errors++; return; } @@ -176,7 +170,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg) xpc_received(partid, channel, (void *)msg); - priv->stats.rx_errors++; + xpnet_device->stats.rx_errors++; return; } @@ -226,7 +220,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg) xpc_received(partid, channel, (void *)msg); - priv->stats.rx_errors++; + xpnet_device->stats.rx_errors++; return; } @@ -247,8 +241,8 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg) skb_end_pointer(skb), skb->len); xpnet_device->last_rx = jiffies; - priv->stats.rx_packets++; - priv->stats.rx_bytes += skb->len + ETH_HLEN; + xpnet_device->stats.rx_packets++; + xpnet_device->stats.rx_bytes += skb->len + ETH_HLEN; netif_rx_ni(skb); xpc_received(partid, channel, (void *)msg); @@ -353,26 +347,6 @@ xpnet_dev_change_mtu(struct net_device *dev, int new_mtu) } /* - * Required for the net_device structure. - */ -static int -xpnet_dev_set_config(struct net_device *dev, struct ifmap *new_map) -{ - return 0; -} - -/* - * Return statistics to the caller. - */ -static struct net_device_stats * -xpnet_dev_get_stats(struct net_device *dev) -{ - struct xpnet_dev_private *priv = netdev_priv(dev); - - return &priv->stats; -} - -/* * Notification that the other end has received the message and * DMA'd the skb information. At this point, they are done with * our side. When all recipients are done processing, we @@ -453,7 +427,6 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) struct xpnet_pending_msg *queued_msg; u64 start_addr, end_addr; short dest_partid; - struct xpnet_dev_private *priv = netdev_priv(dev); u16 embedded_bytes = 0; dev_dbg(xpnet, ">skb->head=0x%p skb->data=0x%p skb->tail=0x%p " @@ -476,7 +449,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) dev_warn(xpnet, "failed to kmalloc %ld bytes; dropping " "packet\n", sizeof(struct xpnet_pending_msg)); - priv->stats.tx_errors++; + dev->stats.tx_errors++; return -ENOMEM; } @@ -526,8 +499,8 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) kfree(queued_msg); } - priv->stats.tx_packets++; - priv->stats.tx_bytes += skb->len; + dev->stats.tx_packets++; + dev->stats.tx_bytes += skb->len; return 0; } @@ -538,12 +511,19 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) static void xpnet_dev_tx_timeout(struct net_device *dev) { - struct xpnet_dev_private *priv = netdev_priv(dev); - - priv->stats.tx_errors++; - return; + dev->stats.tx_errors++; } +static const struct net_device_ops xpnet_netdev_ops = { + .ndo_open = xpnet_dev_open, + .ndo_stop = xpnet_dev_stop, + .ndo_start_xmit = xpnet_dev_hard_start_xmit, + .ndo_change_mtu = xpnet_dev_change_mtu, + .ndo_tx_timeout = xpnet_dev_tx_timeout, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + static int __init xpnet_init(void) { @@ -563,8 +543,7 @@ xpnet_init(void) * use ether_setup() to init the majority of our device * structure and then override the necessary pieces. */ - xpnet_device = alloc_netdev(sizeof(struct xpnet_dev_private), - XPNET_DEVICE_NAME, ether_setup); + xpnet_device = alloc_netdev(0, XPNET_DEVICE_NAME, ether_setup); if (xpnet_device == NULL) { kfree(xpnet_broadcast_partitions); return -ENOMEM; @@ -573,13 +552,6 @@ xpnet_init(void) netif_carrier_off(xpnet_device); xpnet_device->mtu = XPNET_DEF_MTU; - xpnet_device->change_mtu = xpnet_dev_change_mtu; - xpnet_device->open = xpnet_dev_open; - xpnet_device->get_stats = xpnet_dev_get_stats; - xpnet_device->stop = xpnet_dev_stop; - xpnet_device->hard_start_xmit = xpnet_dev_hard_start_xmit; - xpnet_device->tx_timeout = xpnet_dev_tx_timeout; - xpnet_device->set_config = xpnet_dev_set_config; /* * Multicast assumes the LSB of the first octet is set for multicast diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c deleted file mode 100644 index 571b211608d..00000000000 --- a/drivers/misc/sony-laptop.c +++ /dev/null @@ -1,2781 +0,0 @@ -/* - * ACPI Sony Notebook Control Driver (SNC and SPIC) - * - * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> - * Copyright (C) 2007 Mattia Dongili <malattia@linux.it> - * - * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c - * which are copyrighted by their respective authors. - * - * The SNY6001 driver part is based on the sonypi driver which includes - * material from: - * - * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> - * - * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> - * - * Copyright (C) 2001-2002 Alcôve <www.alcove.com> - * - * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> - * - * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> - * - * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> - * - * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> - * - * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/smp_lock.h> -#include <linux/types.h> -#include <linux/backlight.h> -#include <linux/platform_device.h> -#include <linux/err.h> -#include <linux/dmi.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/input.h> -#include <linux/kfifo.h> -#include <linux/workqueue.h> -#include <linux/acpi.h> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> -#include <asm/uaccess.h> -#include <linux/sonypi.h> -#include <linux/sony-laptop.h> -#ifdef CONFIG_SONYPI_COMPAT -#include <linux/poll.h> -#include <linux/miscdevice.h> -#endif - -#define DRV_PFX "sony-laptop: " -#define dprintk(msg...) do { \ - if (debug) printk(KERN_WARNING DRV_PFX msg); \ -} while (0) - -#define SONY_LAPTOP_DRIVER_VERSION "0.6" - -#define SONY_NC_CLASS "sony-nc" -#define SONY_NC_HID "SNY5001" -#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" - -#define SONY_PIC_CLASS "sony-pic" -#define SONY_PIC_HID "SNY6001" -#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" - -MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); -MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " - "the development of this driver"); - -static int no_spic; /* = 0 */ -module_param(no_spic, int, 0444); -MODULE_PARM_DESC(no_spic, - "set this if you don't want to enable the SPIC device"); - -static int compat; /* = 0 */ -module_param(compat, int, 0444); -MODULE_PARM_DESC(compat, - "set this if you want to enable backward compatibility mode"); - -static unsigned long mask = 0xffffffff; -module_param(mask, ulong, 0644); -MODULE_PARM_DESC(mask, - "set this to the mask of event you want to enable (see doc)"); - -static int camera; /* = 0 */ -module_param(camera, int, 0444); -MODULE_PARM_DESC(camera, - "set this to 1 to enable Motion Eye camera controls " - "(only use it if you have a C1VE or C1VN model)"); - -#ifdef CONFIG_SONYPI_COMPAT -static int minor = -1; -module_param(minor, int, 0); -MODULE_PARM_DESC(minor, - "minor number of the misc device for the SPIC compatibility code, " - "default is -1 (automatic)"); -#endif - -/*********** Input Devices ***********/ - -#define SONY_LAPTOP_BUF_SIZE 128 -struct sony_laptop_input_s { - atomic_t users; - struct input_dev *jog_dev; - struct input_dev *key_dev; - struct kfifo *fifo; - spinlock_t fifo_lock; - struct workqueue_struct *wq; -}; -static struct sony_laptop_input_s sony_laptop_input = { - .users = ATOMIC_INIT(0), -}; - -struct sony_laptop_keypress { - struct input_dev *dev; - int key; -}; - -/* Correspondance table between sonypi events - * and input layer indexes in the keymap - */ -static int sony_laptop_input_index[] = { - -1, /* 0 no event */ - -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ - -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ - -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ - -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ - -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ - -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ - 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ - 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ - 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ - 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ - 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ - 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ - 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ - 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ - 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ - 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ - 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ - 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ - 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ - 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ - 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ - 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ - 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ - 17, /* 24 SONYPI_EVENT_FNKEY_1 */ - 18, /* 25 SONYPI_EVENT_FNKEY_2 */ - 19, /* 26 SONYPI_EVENT_FNKEY_D */ - 20, /* 27 SONYPI_EVENT_FNKEY_E */ - 21, /* 28 SONYPI_EVENT_FNKEY_F */ - 22, /* 29 SONYPI_EVENT_FNKEY_S */ - 23, /* 30 SONYPI_EVENT_FNKEY_B */ - 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ - 25, /* 32 SONYPI_EVENT_PKEY_P1 */ - 26, /* 33 SONYPI_EVENT_PKEY_P2 */ - 27, /* 34 SONYPI_EVENT_PKEY_P3 */ - 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ - -1, /* 36 SONYPI_EVENT_LID_CLOSED */ - -1, /* 37 SONYPI_EVENT_LID_OPENED */ - 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ - 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ - 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ - 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ - 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ - 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ - 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ - 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ - 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ - 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ - 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ - 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ - 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ - 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ - 43, /* 52 SONYPI_EVENT_MEYE_FACE */ - 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ - 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ - 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ - -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ - -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ - -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ - -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ - 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ - 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ - 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ - 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ -}; - -static int sony_laptop_input_keycode_map[] = { - KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ - KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ - KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ - KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ - KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ - KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ - KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ - KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ - KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ - KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ - KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ - KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ - KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ - KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ - KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ - KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ - KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ - KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ - KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ - KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ - KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ - KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ - KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ - KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ - KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ - KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ - KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ - KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ - KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ - KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ - KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ - KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ - KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ - KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ - KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ - KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ - KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ - KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ - KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ - KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ - KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ - KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ - BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ - KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ - KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ - KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ - KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ - KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ - KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ - KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ - KEY_ZOOMOUT /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ -}; - -/* release buttons after a short delay if pressed */ -static void do_sony_laptop_release_key(struct work_struct *work) -{ - struct sony_laptop_keypress kp; - - while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp, - sizeof(kp)) == sizeof(kp)) { - msleep(10); - input_report_key(kp.dev, kp.key, 0); - input_sync(kp.dev); - } -} -static DECLARE_WORK(sony_laptop_release_key_work, - do_sony_laptop_release_key); - -/* forward event to the input subsystem */ -static void sony_laptop_report_input_event(u8 event) -{ - struct input_dev *jog_dev = sony_laptop_input.jog_dev; - struct input_dev *key_dev = sony_laptop_input.key_dev; - struct sony_laptop_keypress kp = { NULL }; - - if (event == SONYPI_EVENT_FNKEY_RELEASED) { - /* Nothing, not all VAIOs generate this event */ - return; - } - - /* report events */ - switch (event) { - /* jog_dev events */ - case SONYPI_EVENT_JOGDIAL_UP: - case SONYPI_EVENT_JOGDIAL_UP_PRESSED: - input_report_rel(jog_dev, REL_WHEEL, 1); - input_sync(jog_dev); - return; - - case SONYPI_EVENT_JOGDIAL_DOWN: - case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: - input_report_rel(jog_dev, REL_WHEEL, -1); - input_sync(jog_dev); - return; - - /* key_dev events */ - case SONYPI_EVENT_JOGDIAL_PRESSED: - kp.key = BTN_MIDDLE; - kp.dev = jog_dev; - break; - - default: - if (event >= ARRAY_SIZE(sony_laptop_input_index)) { - dprintk("sony_laptop_report_input_event, event not known: %d\n", event); - break; - } - if (sony_laptop_input_index[event] != -1) { - kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; - if (kp.key != KEY_UNKNOWN) - kp.dev = key_dev; - } - break; - } - - if (kp.dev) { - input_report_key(kp.dev, kp.key, 1); - /* we emit the scancode so we can always remap the key */ - input_event(kp.dev, EV_MSC, MSC_SCAN, event); - input_sync(kp.dev); - kfifo_put(sony_laptop_input.fifo, - (unsigned char *)&kp, sizeof(kp)); - - if (!work_pending(&sony_laptop_release_key_work)) - queue_work(sony_laptop_input.wq, - &sony_laptop_release_key_work); - } else - dprintk("unknown input event %.2x\n", event); -} - -static int sony_laptop_setup_input(struct acpi_device *acpi_device) -{ - struct input_dev *jog_dev; - struct input_dev *key_dev; - int i; - int error; - - /* don't run again if already initialized */ - if (atomic_add_return(1, &sony_laptop_input.users) > 1) - return 0; - - /* kfifo */ - spin_lock_init(&sony_laptop_input.fifo_lock); - sony_laptop_input.fifo = - kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, - &sony_laptop_input.fifo_lock); - if (IS_ERR(sony_laptop_input.fifo)) { - printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); - error = PTR_ERR(sony_laptop_input.fifo); - goto err_dec_users; - } - - /* init workqueue */ - sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop"); - if (!sony_laptop_input.wq) { - printk(KERN_ERR DRV_PFX - "Unabe to create workqueue.\n"); - error = -ENXIO; - goto err_free_kfifo; - } - - /* input keys */ - key_dev = input_allocate_device(); - if (!key_dev) { - error = -ENOMEM; - goto err_destroy_wq; - } - - key_dev->name = "Sony Vaio Keys"; - key_dev->id.bustype = BUS_ISA; - key_dev->id.vendor = PCI_VENDOR_ID_SONY; - key_dev->dev.parent = &acpi_device->dev; - - /* Initialize the Input Drivers: special keys */ - set_bit(EV_KEY, key_dev->evbit); - set_bit(EV_MSC, key_dev->evbit); - set_bit(MSC_SCAN, key_dev->mscbit); - key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); - key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); - key_dev->keycode = &sony_laptop_input_keycode_map; - for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) { - if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) { - set_bit(sony_laptop_input_keycode_map[i], - key_dev->keybit); - } - } - - error = input_register_device(key_dev); - if (error) - goto err_free_keydev; - - sony_laptop_input.key_dev = key_dev; - - /* jogdial */ - jog_dev = input_allocate_device(); - if (!jog_dev) { - error = -ENOMEM; - goto err_unregister_keydev; - } - - jog_dev->name = "Sony Vaio Jogdial"; - jog_dev->id.bustype = BUS_ISA; - jog_dev->id.vendor = PCI_VENDOR_ID_SONY; - key_dev->dev.parent = &acpi_device->dev; - - jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); - jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); - jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); - - error = input_register_device(jog_dev); - if (error) - goto err_free_jogdev; - - sony_laptop_input.jog_dev = jog_dev; - - return 0; - -err_free_jogdev: - input_free_device(jog_dev); - -err_unregister_keydev: - input_unregister_device(key_dev); - /* to avoid kref underflow below at input_free_device */ - key_dev = NULL; - -err_free_keydev: - input_free_device(key_dev); - -err_destroy_wq: - destroy_workqueue(sony_laptop_input.wq); - -err_free_kfifo: - kfifo_free(sony_laptop_input.fifo); - -err_dec_users: - atomic_dec(&sony_laptop_input.users); - return error; -} - -static void sony_laptop_remove_input(void) -{ - /* cleanup only after the last user has gone */ - if (!atomic_dec_and_test(&sony_laptop_input.users)) - return; - - /* flush workqueue first */ - flush_workqueue(sony_laptop_input.wq); - - /* destroy input devs */ - input_unregister_device(sony_laptop_input.key_dev); - sony_laptop_input.key_dev = NULL; - - if (sony_laptop_input.jog_dev) { - input_unregister_device(sony_laptop_input.jog_dev); - sony_laptop_input.jog_dev = NULL; - } - - destroy_workqueue(sony_laptop_input.wq); - kfifo_free(sony_laptop_input.fifo); -} - -/*********** Platform Device ***********/ - -static atomic_t sony_pf_users = ATOMIC_INIT(0); -static struct platform_driver sony_pf_driver = { - .driver = { - .name = "sony-laptop", - .owner = THIS_MODULE, - } -}; -static struct platform_device *sony_pf_device; - -static int sony_pf_add(void) -{ - int ret = 0; - - /* don't run again if already initialized */ - if (atomic_add_return(1, &sony_pf_users) > 1) - return 0; - - ret = platform_driver_register(&sony_pf_driver); - if (ret) - goto out; - - sony_pf_device = platform_device_alloc("sony-laptop", -1); - if (!sony_pf_device) { - ret = -ENOMEM; - goto out_platform_registered; - } - - ret = platform_device_add(sony_pf_device); - if (ret) - goto out_platform_alloced; - - return 0; - - out_platform_alloced: - platform_device_put(sony_pf_device); - sony_pf_device = NULL; - out_platform_registered: - platform_driver_unregister(&sony_pf_driver); - out: - atomic_dec(&sony_pf_users); - return ret; -} - -static void sony_pf_remove(void) -{ - /* deregister only after the last user has gone */ - if (!atomic_dec_and_test(&sony_pf_users)) - return; - - platform_device_del(sony_pf_device); - platform_device_put(sony_pf_device); - platform_driver_unregister(&sony_pf_driver); -} - -/*********** SNC (SNY5001) Device ***********/ - -/* the device uses 1-based values, while the backlight subsystem uses - 0-based values */ -#define SONY_MAX_BRIGHTNESS 8 - -#define SNC_VALIDATE_IN 0 -#define SNC_VALIDATE_OUT 1 - -static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, - char *); -static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, - const char *, size_t); -static int boolean_validate(const int, const int); -static int brightness_default_validate(const int, const int); - -struct sony_nc_value { - char *name; /* name of the entry */ - char **acpiget; /* names of the ACPI get function */ - char **acpiset; /* names of the ACPI set function */ - int (*validate)(const int, const int); /* input/output validation */ - int value; /* current setting */ - int valid; /* Has ever been set */ - int debug; /* active only in debug mode ? */ - struct device_attribute devattr; /* sysfs atribute */ -}; - -#define SNC_HANDLE_NAMES(_name, _values...) \ - static char *snc_##_name[] = { _values, NULL } - -#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ - { \ - .name = __stringify(_name), \ - .acpiget = _getters, \ - .acpiset = _setters, \ - .validate = _validate, \ - .debug = _debug, \ - .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ - } - -#define SNC_HANDLE_NULL { .name = NULL } - -SNC_HANDLE_NAMES(fnkey_get, "GHKE"); - -SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); -SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); - -SNC_HANDLE_NAMES(cdpower_get, "GCDP"); -SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); - -SNC_HANDLE_NAMES(audiopower_get, "GAZP"); -SNC_HANDLE_NAMES(audiopower_set, "AZPW"); - -SNC_HANDLE_NAMES(lanpower_get, "GLNP"); -SNC_HANDLE_NAMES(lanpower_set, "LNPW"); - -SNC_HANDLE_NAMES(lidstate_get, "GLID"); - -SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); -SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); - -SNC_HANDLE_NAMES(gainbass_get, "GMGB"); -SNC_HANDLE_NAMES(gainbass_set, "CMGB"); - -SNC_HANDLE_NAMES(PID_get, "GPID"); - -SNC_HANDLE_NAMES(CTR_get, "GCTR"); -SNC_HANDLE_NAMES(CTR_set, "SCTR"); - -SNC_HANDLE_NAMES(PCR_get, "GPCR"); -SNC_HANDLE_NAMES(PCR_set, "SPCR"); - -SNC_HANDLE_NAMES(CMI_get, "GCMI"); -SNC_HANDLE_NAMES(CMI_set, "SCMI"); - -static struct sony_nc_value sony_nc_values[] = { - SNC_HANDLE(brightness_default, snc_brightness_def_get, - snc_brightness_def_set, brightness_default_validate, 0), - SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), - SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), - SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, - boolean_validate, 0), - SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, - boolean_validate, 1), - SNC_HANDLE(lidstate, snc_lidstate_get, NULL, - boolean_validate, 0), - SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, - boolean_validate, 0), - SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, - boolean_validate, 0), - /* unknown methods */ - SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), - SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), - SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), - SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), - SNC_HANDLE_NULL -}; - -static acpi_handle sony_nc_acpi_handle; -static struct acpi_device *sony_nc_acpi_device = NULL; - -/* - * acpi_evaluate_object wrappers - */ -static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) -{ - struct acpi_buffer output; - union acpi_object out_obj; - acpi_status status; - - output.length = sizeof(out_obj); - output.pointer = &out_obj; - - status = acpi_evaluate_object(handle, name, NULL, &output); - if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { - *result = out_obj.integer.value; - return 0; - } - - printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); - - return -1; -} - -static int acpi_callsetfunc(acpi_handle handle, char *name, int value, - int *result) -{ - struct acpi_object_list params; - union acpi_object in_obj; - struct acpi_buffer output; - union acpi_object out_obj; - acpi_status status; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = value; - - output.length = sizeof(out_obj); - output.pointer = &out_obj; - - status = acpi_evaluate_object(handle, name, ¶ms, &output); - if (status == AE_OK) { - if (result != NULL) { - if (out_obj.type != ACPI_TYPE_INTEGER) { - printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " - "return type\n"); - return -1; - } - *result = out_obj.integer.value; - } - return 0; - } - - printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); - - return -1; -} - -/* - * sony_nc_values input/output validate functions - */ - -/* brightness_default_validate: - * - * manipulate input output values to keep consistency with the - * backlight framework for which brightness values are 0-based. - */ -static int brightness_default_validate(const int direction, const int value) -{ - switch (direction) { - case SNC_VALIDATE_OUT: - return value - 1; - case SNC_VALIDATE_IN: - if (value >= 0 && value < SONY_MAX_BRIGHTNESS) - return value + 1; - } - return -EINVAL; -} - -/* boolean_validate: - * - * on input validate boolean values 0/1, on output just pass the - * received value. - */ -static int boolean_validate(const int direction, const int value) -{ - if (direction == SNC_VALIDATE_IN) { - if (value != 0 && value != 1) - return -EINVAL; - } - return value; -} - -/* - * Sysfs show/store common to all sony_nc_values - */ -static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, - char *buffer) -{ - int value; - struct sony_nc_value *item = - container_of(attr, struct sony_nc_value, devattr); - - if (!*item->acpiget) - return -EIO; - - if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) - return -EIO; - - if (item->validate) - value = item->validate(SNC_VALIDATE_OUT, value); - - return snprintf(buffer, PAGE_SIZE, "%d\n", value); -} - -static ssize_t sony_nc_sysfs_store(struct device *dev, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - int value; - struct sony_nc_value *item = - container_of(attr, struct sony_nc_value, devattr); - - if (!item->acpiset) - return -EIO; - - if (count > 31) - return -EINVAL; - - value = simple_strtoul(buffer, NULL, 10); - - if (item->validate) - value = item->validate(SNC_VALIDATE_IN, value); - - if (value < 0) - return value; - - if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) - return -EIO; - item->value = value; - item->valid = 1; - return count; -} - - -/* - * Backlight device - */ -static int sony_backlight_update_status(struct backlight_device *bd) -{ - return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", - bd->props.brightness + 1, NULL); -} - -static int sony_backlight_get_brightness(struct backlight_device *bd) -{ - int value; - - if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) - return 0; - /* brightness levels are 1-based, while backlight ones are 0-based */ - return value - 1; -} - -static struct backlight_device *sony_backlight_device; -static struct backlight_ops sony_backlight_ops = { - .update_status = sony_backlight_update_status, - .get_brightness = sony_backlight_get_brightness, -}; - -/* - * New SNC-only Vaios event mapping to driver known keys - */ -struct sony_nc_event { - u8 data; - u8 event; -}; - -static struct sony_nc_event *sony_nc_events; - -/* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence - * for Fn keys - */ -static int sony_nc_C_enable(const struct dmi_system_id *id) -{ - int result = 0; - - printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident); - - sony_nc_events = id->driver_data; - - if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0 - || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) { - printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some " - "functionalities may be missing\n"); - return 1; - } - return 0; -} - -static struct sony_nc_event sony_C_events[] = { - { 0x81, SONYPI_EVENT_FNKEY_F1 }, - { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x85, SONYPI_EVENT_FNKEY_F5 }, - { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x86, SONYPI_EVENT_FNKEY_F6 }, - { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x87, SONYPI_EVENT_FNKEY_F7 }, - { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x8A, SONYPI_EVENT_FNKEY_F10 }, - { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x8C, SONYPI_EVENT_FNKEY_F12 }, - { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, - { 0, 0 }, -}; - -/* SNC-only model map */ -static const struct dmi_system_id sony_nc_ids[] = { - { - .ident = "Sony Vaio FE Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"), - }, - }, - { - .ident = "Sony Vaio FZ Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"), - }, - }, - { - .ident = "Sony Vaio C Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"), - }, - }, - { - .ident = "Sony Vaio N Series", - .callback = sony_nc_C_enable, - .driver_data = sony_C_events, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-N"), - }, - }, - { } -}; - -/* - * ACPI callbacks - */ -static void sony_acpi_notify(acpi_handle handle, u32 event, void *data) -{ - struct sony_nc_event *evmap; - u32 ev = event; - int result; - - if (ev == 0x92) { - /* read the key pressed from EC.GECR - * A call to SN07 with 0x0202 will do it as well respecting - * the current protocol on different OSes - * - * Note: the path for GECR may be - * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends) - * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR) - * - * TODO: we may want to do the same for the older GHKE -need - * dmi list- so this snippet may become one more callback. - */ - if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0) - dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev); - else - ev = result & 0xFF; - } - - if (sony_nc_events) - for (evmap = sony_nc_events; evmap->event; evmap++) { - if (evmap->data == ev) { - ev = evmap->event; - break; - } - } - - dprintk("sony_acpi_notify, event: 0x%.2x\n", ev); - sony_laptop_report_input_event(ev); - acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev); -} - -static acpi_status sony_walk_callback(acpi_handle handle, u32 level, - void *context, void **return_value) -{ - struct acpi_namespace_node *node; - union acpi_operand_object *operand; - - node = (struct acpi_namespace_node *)handle; - operand = (union acpi_operand_object *)node->object; - - printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii, - (u32) operand->method.param_count); - - return AE_OK; -} - -/* - * ACPI device - */ -static int sony_nc_resume(struct acpi_device *device) -{ - struct sony_nc_value *item; - - for (item = sony_nc_values; item->name; item++) { - int ret; - - if (!item->valid) - continue; - ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, - item->value, NULL); - if (ret < 0) { - printk("%s: %d\n", __func__, ret); - break; - } - } - - /* set the last requested brightness level */ - if (sony_backlight_device && - !sony_backlight_update_status(sony_backlight_device)) - printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); - - /* re-initialize models with specific requirements */ - dmi_check_system(sony_nc_ids); - - return 0; -} - -static int sony_nc_add(struct acpi_device *device) -{ - acpi_status status; - int result = 0; - acpi_handle handle; - struct sony_nc_value *item; - - printk(KERN_INFO DRV_PFX "%s v%s.\n", - SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); - - sony_nc_acpi_device = device; - strcpy(acpi_device_class(device), "sony/hotkey"); - - sony_nc_acpi_handle = device->handle; - - /* read device status */ - result = acpi_bus_get_status(device); - /* bail IFF the above call was successful and the device is not present */ - if (!result && !device->status.present) { - dprintk("Device not present\n"); - result = -ENODEV; - goto outwalk; - } - - if (debug) { - status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, - 1, sony_walk_callback, NULL, NULL); - if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); - result = -ENODEV; - goto outwalk; - } - } - - /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1 - * should be respected as we already checked for the device presence above */ - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) { - dprintk("Invoking _INI\n"); - if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI, - NULL, NULL))) - dprintk("_INI Method failed\n"); - } - - /* setup input devices and helper fifo */ - result = sony_laptop_setup_input(device); - if (result) { - printk(KERN_ERR DRV_PFX - "Unabe to create input devices.\n"); - goto outwalk; - } - - status = acpi_install_notify_handler(sony_nc_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify, NULL); - if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status); - result = -ENODEV; - goto outinput; - } - - if (acpi_video_backlight_support()) { - printk(KERN_INFO DRV_PFX "brightness ignored, must be " - "controlled by ACPI video driver\n"); - } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", - &handle))) { - sony_backlight_device = backlight_device_register("sony", NULL, - NULL, - &sony_backlight_ops); - - if (IS_ERR(sony_backlight_device)) { - printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); - sony_backlight_device = NULL; - } else { - sony_backlight_device->props.brightness = - sony_backlight_get_brightness - (sony_backlight_device); - sony_backlight_device->props.max_brightness = - SONY_MAX_BRIGHTNESS - 1; - } - - } - - /* initialize models with specific requirements */ - dmi_check_system(sony_nc_ids); - - result = sony_pf_add(); - if (result) - goto outbacklight; - - /* create sony_pf sysfs attributes related to the SNC device */ - for (item = sony_nc_values; item->name; ++item) { - - if (!debug && item->debug) - continue; - - /* find the available acpiget as described in the DSDT */ - for (; item->acpiget && *item->acpiget; ++item->acpiget) { - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, - *item->acpiget, - &handle))) { - dprintk("Found %s getter: %s\n", - item->name, *item->acpiget); - item->devattr.attr.mode |= S_IRUGO; - break; - } - } - - /* find the available acpiset as described in the DSDT */ - for (; item->acpiset && *item->acpiset; ++item->acpiset) { - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, - *item->acpiset, - &handle))) { - dprintk("Found %s setter: %s\n", - item->name, *item->acpiset); - item->devattr.attr.mode |= S_IWUSR; - break; - } - } - - if (item->devattr.attr.mode != 0) { - result = - device_create_file(&sony_pf_device->dev, - &item->devattr); - if (result) - goto out_sysfs; - } - } - - return 0; - - out_sysfs: - for (item = sony_nc_values; item->name; ++item) { - device_remove_file(&sony_pf_device->dev, &item->devattr); - } - sony_pf_remove(); - - outbacklight: - if (sony_backlight_device) - backlight_device_unregister(sony_backlight_device); - - status = acpi_remove_notify_handler(sony_nc_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify); - if (ACPI_FAILURE(status)) - printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n"); - - outinput: - sony_laptop_remove_input(); - - outwalk: - return result; -} - -static int sony_nc_remove(struct acpi_device *device, int type) -{ - acpi_status status; - struct sony_nc_value *item; - - if (sony_backlight_device) - backlight_device_unregister(sony_backlight_device); - - sony_nc_acpi_device = NULL; - - status = acpi_remove_notify_handler(sony_nc_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify); - if (ACPI_FAILURE(status)) - printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n"); - - for (item = sony_nc_values; item->name; ++item) { - device_remove_file(&sony_pf_device->dev, &item->devattr); - } - - sony_pf_remove(); - sony_laptop_remove_input(); - dprintk(SONY_NC_DRIVER_NAME " removed.\n"); - - return 0; -} - -static const struct acpi_device_id sony_device_ids[] = { - {SONY_NC_HID, 0}, - {SONY_PIC_HID, 0}, - {"", 0}, -}; -MODULE_DEVICE_TABLE(acpi, sony_device_ids); - -static const struct acpi_device_id sony_nc_device_ids[] = { - {SONY_NC_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver sony_nc_driver = { - .name = SONY_NC_DRIVER_NAME, - .class = SONY_NC_CLASS, - .ids = sony_nc_device_ids, - .owner = THIS_MODULE, - .ops = { - .add = sony_nc_add, - .remove = sony_nc_remove, - .resume = sony_nc_resume, - }, -}; - -/*********** SPIC (SNY6001) Device ***********/ - -#define SONYPI_DEVICE_TYPE1 0x00000001 -#define SONYPI_DEVICE_TYPE2 0x00000002 -#define SONYPI_DEVICE_TYPE3 0x00000004 -#define SONYPI_DEVICE_TYPE4 0x00000008 - -#define SONYPI_TYPE1_OFFSET 0x04 -#define SONYPI_TYPE2_OFFSET 0x12 -#define SONYPI_TYPE3_OFFSET 0x12 -#define SONYPI_TYPE4_OFFSET 0x12 - -struct sony_pic_ioport { - struct acpi_resource_io io1; - struct acpi_resource_io io2; - struct list_head list; -}; - -struct sony_pic_irq { - struct acpi_resource_irq irq; - struct list_head list; -}; - -struct sonypi_eventtypes { - u8 data; - unsigned long mask; - struct sonypi_event *events; -}; - -struct device_ctrl { - int model; - int (*handle_irq)(const u8, const u8); - u16 evport_offset; - u8 has_camera; - u8 has_bluetooth; - u8 has_wwan; - struct sonypi_eventtypes *event_types; -}; - -struct sony_pic_dev { - struct device_ctrl *control; - struct acpi_device *acpi_dev; - struct sony_pic_irq *cur_irq; - struct sony_pic_ioport *cur_ioport; - struct list_head interrupts; - struct list_head ioports; - struct mutex lock; - u8 camera_power; - u8 bluetooth_power; - u8 wwan_power; -}; - -static struct sony_pic_dev spic_dev = { - .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), - .ioports = LIST_HEAD_INIT(spic_dev.ioports), -}; - -/* Event masks */ -#define SONYPI_JOGGER_MASK 0x00000001 -#define SONYPI_CAPTURE_MASK 0x00000002 -#define SONYPI_FNKEY_MASK 0x00000004 -#define SONYPI_BLUETOOTH_MASK 0x00000008 -#define SONYPI_PKEY_MASK 0x00000010 -#define SONYPI_BACK_MASK 0x00000020 -#define SONYPI_HELP_MASK 0x00000040 -#define SONYPI_LID_MASK 0x00000080 -#define SONYPI_ZOOM_MASK 0x00000100 -#define SONYPI_THUMBPHRASE_MASK 0x00000200 -#define SONYPI_MEYE_MASK 0x00000400 -#define SONYPI_MEMORYSTICK_MASK 0x00000800 -#define SONYPI_BATTERY_MASK 0x00001000 -#define SONYPI_WIRELESS_MASK 0x00002000 - -struct sonypi_event { - u8 data; - u8 event; -}; - -/* The set of possible button release events */ -static struct sonypi_event sonypi_releaseev[] = { - { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, - { 0, 0 } -}; - -/* The set of possible jogger events */ -static struct sonypi_event sonypi_joggerev[] = { - { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, - { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, - { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, - { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, - { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, - { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, - { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, - { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, - { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, - { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, - { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, - { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, - { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, - { 0, 0 } -}; - -/* The set of possible capture button events */ -static struct sonypi_event sonypi_captureev[] = { - { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, - { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, - { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, - { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, - { 0, 0 } -}; - -/* The set of possible fnkeys events */ -static struct sonypi_event sonypi_fnkeyev[] = { - { 0x10, SONYPI_EVENT_FNKEY_ESC }, - { 0x11, SONYPI_EVENT_FNKEY_F1 }, - { 0x12, SONYPI_EVENT_FNKEY_F2 }, - { 0x13, SONYPI_EVENT_FNKEY_F3 }, - { 0x14, SONYPI_EVENT_FNKEY_F4 }, - { 0x15, SONYPI_EVENT_FNKEY_F5 }, - { 0x16, SONYPI_EVENT_FNKEY_F6 }, - { 0x17, SONYPI_EVENT_FNKEY_F7 }, - { 0x18, SONYPI_EVENT_FNKEY_F8 }, - { 0x19, SONYPI_EVENT_FNKEY_F9 }, - { 0x1a, SONYPI_EVENT_FNKEY_F10 }, - { 0x1b, SONYPI_EVENT_FNKEY_F11 }, - { 0x1c, SONYPI_EVENT_FNKEY_F12 }, - { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, - { 0x21, SONYPI_EVENT_FNKEY_1 }, - { 0x22, SONYPI_EVENT_FNKEY_2 }, - { 0x31, SONYPI_EVENT_FNKEY_D }, - { 0x32, SONYPI_EVENT_FNKEY_E }, - { 0x33, SONYPI_EVENT_FNKEY_F }, - { 0x34, SONYPI_EVENT_FNKEY_S }, - { 0x35, SONYPI_EVENT_FNKEY_B }, - { 0x36, SONYPI_EVENT_FNKEY_ONLY }, - { 0, 0 } -}; - -/* The set of possible program key events */ -static struct sonypi_event sonypi_pkeyev[] = { - { 0x01, SONYPI_EVENT_PKEY_P1 }, - { 0x02, SONYPI_EVENT_PKEY_P2 }, - { 0x04, SONYPI_EVENT_PKEY_P3 }, - { 0, 0 } -}; - -/* The set of possible bluetooth events */ -static struct sonypi_event sonypi_blueev[] = { - { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, - { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, - { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, - { 0, 0 } -}; - -/* The set of possible wireless events */ -static struct sonypi_event sonypi_wlessev[] = { - { 0x59, SONYPI_EVENT_WIRELESS_ON }, - { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, - { 0, 0 } -}; - -/* The set of possible back button events */ -static struct sonypi_event sonypi_backev[] = { - { 0x20, SONYPI_EVENT_BACK_PRESSED }, - { 0, 0 } -}; - -/* The set of possible help button events */ -static struct sonypi_event sonypi_helpev[] = { - { 0x3b, SONYPI_EVENT_HELP_PRESSED }, - { 0, 0 } -}; - - -/* The set of possible lid events */ -static struct sonypi_event sonypi_lidev[] = { - { 0x51, SONYPI_EVENT_LID_CLOSED }, - { 0x50, SONYPI_EVENT_LID_OPENED }, - { 0, 0 } -}; - -/* The set of possible zoom events */ -static struct sonypi_event sonypi_zoomev[] = { - { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, - { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, - { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, - { 0, 0 } -}; - -/* The set of possible thumbphrase events */ -static struct sonypi_event sonypi_thumbphraseev[] = { - { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, - { 0, 0 } -}; - -/* The set of possible motioneye camera events */ -static struct sonypi_event sonypi_meyeev[] = { - { 0x00, SONYPI_EVENT_MEYE_FACE }, - { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, - { 0, 0 } -}; - -/* The set of possible memorystick events */ -static struct sonypi_event sonypi_memorystickev[] = { - { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, - { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, - { 0, 0 } -}; - -/* The set of possible battery events */ -static struct sonypi_event sonypi_batteryev[] = { - { 0x20, SONYPI_EVENT_BATTERY_INSERT }, - { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, - { 0, 0 } -}; - -static struct sonypi_eventtypes type1_events[] = { - { 0, 0xffffffff, sonypi_releaseev }, - { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, - { 0x30, SONYPI_LID_MASK, sonypi_lidev }, - { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, - { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, - { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, - { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, - { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, - { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, - { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, - { 0 }, -}; -static struct sonypi_eventtypes type2_events[] = { - { 0, 0xffffffff, sonypi_releaseev }, - { 0x38, SONYPI_LID_MASK, sonypi_lidev }, - { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, - { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, - { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, - { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, - { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, - { 0x11, SONYPI_BACK_MASK, sonypi_backev }, - { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, - { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, - { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, - { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, - { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, - { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, - { 0 }, -}; -static struct sonypi_eventtypes type3_events[] = { - { 0, 0xffffffff, sonypi_releaseev }, - { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, - { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, - { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, - { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, - { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, - { 0 }, -}; -static struct sonypi_eventtypes type4_events[] = { - { 0, 0xffffffff, sonypi_releaseev }, - { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, - { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, - { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, - { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, - { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, - { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, - { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, - { 0 }, -}; - -/* low level spic calls */ -#define ITERATIONS_LONG 10000 -#define ITERATIONS_SHORT 10 -#define wait_on_command(command, iterations) { \ - unsigned int n = iterations; \ - while (--n && (command)) \ - udelay(1); \ - if (!n) \ - dprintk("command failed at %s : %s (line %d)\n", \ - __FILE__, __func__, __LINE__); \ -} - -static u8 sony_pic_call1(u8 dev) -{ - u8 v1, v2; - - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, - ITERATIONS_LONG); - outb(dev, spic_dev.cur_ioport->io1.minimum + 4); - v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); - v2 = inb_p(spic_dev.cur_ioport->io1.minimum); - dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); - return v2; -} - -static u8 sony_pic_call2(u8 dev, u8 fn) -{ - u8 v1; - - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, - ITERATIONS_LONG); - outb(dev, spic_dev.cur_ioport->io1.minimum + 4); - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, - ITERATIONS_LONG); - outb(fn, spic_dev.cur_ioport->io1.minimum); - v1 = inb_p(spic_dev.cur_ioport->io1.minimum); - dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); - return v1; -} - -static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) -{ - u8 v1; - - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); - outb(dev, spic_dev.cur_ioport->io1.minimum + 4); - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); - outb(fn, spic_dev.cur_ioport->io1.minimum); - wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); - outb(v, spic_dev.cur_ioport->io1.minimum); - v1 = inb_p(spic_dev.cur_ioport->io1.minimum); - dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", - dev, fn, v, v1); - return v1; -} - -/* - * minidrivers for SPIC models - */ -static int type4_handle_irq(const u8 data_mask, const u8 ev) -{ - /* - * 0x31 could mean we have to take some extra action and wait for - * the next irq for some Type4 models, it will generate a new - * irq and we can read new data from the device: - * - 0x5c and 0x5f requires 0xA0 - * - 0x61 requires 0xB3 - */ - if (data_mask == 0x31) { - if (ev == 0x5c || ev == 0x5f) - sony_pic_call1(0xA0); - else if (ev == 0x61) - sony_pic_call1(0xB3); - return 0; - } - return 1; -} - -static struct device_ctrl spic_types[] = { - { - .model = SONYPI_DEVICE_TYPE1, - .handle_irq = NULL, - .evport_offset = SONYPI_TYPE1_OFFSET, - .event_types = type1_events, - }, - { - .model = SONYPI_DEVICE_TYPE2, - .handle_irq = NULL, - .evport_offset = SONYPI_TYPE2_OFFSET, - .event_types = type2_events, - }, - { - .model = SONYPI_DEVICE_TYPE3, - .handle_irq = NULL, - .evport_offset = SONYPI_TYPE3_OFFSET, - .event_types = type3_events, - }, - { - .model = SONYPI_DEVICE_TYPE4, - .handle_irq = type4_handle_irq, - .evport_offset = SONYPI_TYPE4_OFFSET, - .event_types = type4_events, - }, -}; - -static void sony_pic_detect_device_type(struct sony_pic_dev *dev) -{ - struct pci_dev *pcidev; - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_82371AB_3, NULL); - if (pcidev) { - dev->control = &spic_types[0]; - goto out; - } - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH6_1, NULL); - if (pcidev) { - dev->control = &spic_types[2]; - goto out; - } - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH7_1, NULL); - if (pcidev) { - dev->control = &spic_types[3]; - goto out; - } - - pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH8_4, NULL); - if (pcidev) { - dev->control = &spic_types[3]; - goto out; - } - - /* default */ - dev->control = &spic_types[1]; - -out: - if (pcidev) - pci_dev_put(pcidev); - - printk(KERN_INFO DRV_PFX "detected Type%d model\n", - dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 : - dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : - dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4); -} - -/* camera tests and poweron/poweroff */ -#define SONYPI_CAMERA_PICTURE 5 -#define SONYPI_CAMERA_CONTROL 0x10 - -#define SONYPI_CAMERA_BRIGHTNESS 0 -#define SONYPI_CAMERA_CONTRAST 1 -#define SONYPI_CAMERA_HUE 2 -#define SONYPI_CAMERA_COLOR 3 -#define SONYPI_CAMERA_SHARPNESS 4 - -#define SONYPI_CAMERA_EXPOSURE_MASK 0xC -#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 -#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 -#define SONYPI_CAMERA_MUTE_MASK 0x40 - -/* the rest don't need a loop until not 0xff */ -#define SONYPI_CAMERA_AGC 6 -#define SONYPI_CAMERA_AGC_MASK 0x30 -#define SONYPI_CAMERA_SHUTTER_MASK 0x7 - -#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 -#define SONYPI_CAMERA_CONTROL 0x10 - -#define SONYPI_CAMERA_STATUS 7 -#define SONYPI_CAMERA_STATUS_READY 0x2 -#define SONYPI_CAMERA_STATUS_POSITION 0x4 - -#define SONYPI_DIRECTION_BACKWARDS 0x4 - -#define SONYPI_CAMERA_REVISION 8 -#define SONYPI_CAMERA_ROMVERSION 9 - -static int __sony_pic_camera_ready(void) -{ - u8 v; - - v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); - return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); -} - -static int __sony_pic_camera_off(void) -{ - if (!camera) { - printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); - return -ENODEV; - } - - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, - SONYPI_CAMERA_MUTE_MASK), - ITERATIONS_SHORT); - - if (spic_dev.camera_power) { - sony_pic_call2(0x91, 0); - spic_dev.camera_power = 0; - } - return 0; -} - -static int __sony_pic_camera_on(void) -{ - int i, j, x; - - if (!camera) { - printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); - return -ENODEV; - } - - if (spic_dev.camera_power) - return 0; - - for (j = 5; j > 0; j--) { - - for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) - msleep(10); - sony_pic_call1(0x93); - - for (i = 400; i > 0; i--) { - if (__sony_pic_camera_ready()) - break; - msleep(10); - } - if (i) - break; - } - - if (j == 0) { - printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); - return -ENODEV; - } - - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, - 0x5a), - ITERATIONS_SHORT); - - spic_dev.camera_power = 1; - return 0; -} - -/* External camera command (exported to the motion eye v4l driver) */ -int sony_pic_camera_command(int command, u8 value) -{ - if (!camera) - return -EIO; - - mutex_lock(&spic_dev.lock); - - switch (command) { - case SONY_PIC_COMMAND_SETCAMERA: - if (value) - __sony_pic_camera_on(); - else - __sony_pic_camera_off(); - break; - case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERACONTRAST: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERAHUE: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERACOLOR: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERASHARPNESS: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERAPICTURE: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), - ITERATIONS_SHORT); - break; - case SONY_PIC_COMMAND_SETCAMERAAGC: - wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), - ITERATIONS_SHORT); - break; - default: - printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", - command); - break; - } - mutex_unlock(&spic_dev.lock); - return 0; -} -EXPORT_SYMBOL(sony_pic_camera_command); - -/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ -static void sony_pic_set_wwanpower(u8 state) -{ - state = !!state; - mutex_lock(&spic_dev.lock); - if (spic_dev.wwan_power == state) { - mutex_unlock(&spic_dev.lock); - return; - } - sony_pic_call2(0xB0, state); - spic_dev.wwan_power = state; - mutex_unlock(&spic_dev.lock); -} - -static ssize_t sony_pic_wwanpower_store(struct device *dev, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - unsigned long value; - if (count > 31) - return -EINVAL; - - value = simple_strtoul(buffer, NULL, 10); - sony_pic_set_wwanpower(value); - - return count; -} - -static ssize_t sony_pic_wwanpower_show(struct device *dev, - struct device_attribute *attr, char *buffer) -{ - ssize_t count; - mutex_lock(&spic_dev.lock); - count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); - mutex_unlock(&spic_dev.lock); - return count; -} - -/* bluetooth subsystem power state */ -static void __sony_pic_set_bluetoothpower(u8 state) -{ - state = !!state; - if (spic_dev.bluetooth_power == state) - return; - sony_pic_call2(0x96, state); - sony_pic_call1(0x82); - spic_dev.bluetooth_power = state; -} - -static ssize_t sony_pic_bluetoothpower_store(struct device *dev, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - unsigned long value; - if (count > 31) - return -EINVAL; - - value = simple_strtoul(buffer, NULL, 10); - mutex_lock(&spic_dev.lock); - __sony_pic_set_bluetoothpower(value); - mutex_unlock(&spic_dev.lock); - - return count; -} - -static ssize_t sony_pic_bluetoothpower_show(struct device *dev, - struct device_attribute *attr, char *buffer) -{ - ssize_t count = 0; - mutex_lock(&spic_dev.lock); - count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); - mutex_unlock(&spic_dev.lock); - return count; -} - -/* fan speed */ -/* FAN0 information (reverse engineered from ACPI tables) */ -#define SONY_PIC_FAN0_STATUS 0x93 -static int sony_pic_set_fanspeed(unsigned long value) -{ - return ec_write(SONY_PIC_FAN0_STATUS, value); -} - -static int sony_pic_get_fanspeed(u8 *value) -{ - return ec_read(SONY_PIC_FAN0_STATUS, value); -} - -static ssize_t sony_pic_fanspeed_store(struct device *dev, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - unsigned long value; - if (count > 31) - return -EINVAL; - - value = simple_strtoul(buffer, NULL, 10); - if (sony_pic_set_fanspeed(value)) - return -EIO; - - return count; -} - -static ssize_t sony_pic_fanspeed_show(struct device *dev, - struct device_attribute *attr, char *buffer) -{ - u8 value = 0; - if (sony_pic_get_fanspeed(&value)) - return -EIO; - - return snprintf(buffer, PAGE_SIZE, "%d\n", value); -} - -#define SPIC_ATTR(_name, _mode) \ -struct device_attribute spic_attr_##_name = __ATTR(_name, \ - _mode, sony_pic_## _name ##_show, \ - sony_pic_## _name ##_store) - -static SPIC_ATTR(bluetoothpower, 0644); -static SPIC_ATTR(wwanpower, 0644); -static SPIC_ATTR(fanspeed, 0644); - -static struct attribute *spic_attributes[] = { - &spic_attr_bluetoothpower.attr, - &spic_attr_wwanpower.attr, - &spic_attr_fanspeed.attr, - NULL -}; - -static struct attribute_group spic_attribute_group = { - .attrs = spic_attributes -}; - -/******** SONYPI compatibility **********/ -#ifdef CONFIG_SONYPI_COMPAT - -/* battery / brightness / temperature addresses */ -#define SONYPI_BAT_FLAGS 0x81 -#define SONYPI_LCD_LIGHT 0x96 -#define SONYPI_BAT1_PCTRM 0xa0 -#define SONYPI_BAT1_LEFT 0xa2 -#define SONYPI_BAT1_MAXRT 0xa4 -#define SONYPI_BAT2_PCTRM 0xa8 -#define SONYPI_BAT2_LEFT 0xaa -#define SONYPI_BAT2_MAXRT 0xac -#define SONYPI_BAT1_MAXTK 0xb0 -#define SONYPI_BAT1_FULL 0xb2 -#define SONYPI_BAT2_MAXTK 0xb8 -#define SONYPI_BAT2_FULL 0xba -#define SONYPI_TEMP_STATUS 0xC1 - -struct sonypi_compat_s { - struct fasync_struct *fifo_async; - struct kfifo *fifo; - spinlock_t fifo_lock; - wait_queue_head_t fifo_proc_list; - atomic_t open_count; -}; -static struct sonypi_compat_s sonypi_compat = { - .open_count = ATOMIC_INIT(0), -}; - -static int sonypi_misc_fasync(int fd, struct file *filp, int on) -{ - int retval; - - retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); - if (retval < 0) - return retval; - return 0; -} - -static int sonypi_misc_release(struct inode *inode, struct file *file) -{ - atomic_dec(&sonypi_compat.open_count); - return 0; -} - -static int sonypi_misc_open(struct inode *inode, struct file *file) -{ - /* Flush input queue on first open */ - lock_kernel(); - if (atomic_inc_return(&sonypi_compat.open_count) == 1) - kfifo_reset(sonypi_compat.fifo); - unlock_kernel(); - return 0; -} - -static ssize_t sonypi_misc_read(struct file *file, char __user *buf, - size_t count, loff_t *pos) -{ - ssize_t ret; - unsigned char c; - - if ((kfifo_len(sonypi_compat.fifo) == 0) && - (file->f_flags & O_NONBLOCK)) - return -EAGAIN; - - ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, - kfifo_len(sonypi_compat.fifo) != 0); - if (ret) - return ret; - - while (ret < count && - (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { - if (put_user(c, buf++)) - return -EFAULT; - ret++; - } - - if (ret > 0) { - struct inode *inode = file->f_path.dentry->d_inode; - inode->i_atime = current_fs_time(inode->i_sb); - } - - return ret; -} - -static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) -{ - poll_wait(file, &sonypi_compat.fifo_proc_list, wait); - if (kfifo_len(sonypi_compat.fifo)) - return POLLIN | POLLRDNORM; - return 0; -} - -static int ec_read16(u8 addr, u16 *value) -{ - u8 val_lb, val_hb; - if (ec_read(addr, &val_lb)) - return -1; - if (ec_read(addr + 1, &val_hb)) - return -1; - *value = val_lb | (val_hb << 8); - return 0; -} - -static int sonypi_misc_ioctl(struct inode *ip, struct file *fp, - unsigned int cmd, unsigned long arg) -{ - int ret = 0; - void __user *argp = (void __user *)arg; - u8 val8; - u16 val16; - int value; - - mutex_lock(&spic_dev.lock); - switch (cmd) { - case SONYPI_IOCGBRT: - if (sony_backlight_device == NULL) { - ret = -EIO; - break; - } - if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { - ret = -EIO; - break; - } - val8 = ((value & 0xff) - 1) << 5; - if (copy_to_user(argp, &val8, sizeof(val8))) - ret = -EFAULT; - break; - case SONYPI_IOCSBRT: - if (sony_backlight_device == NULL) { - ret = -EIO; - break; - } - if (copy_from_user(&val8, argp, sizeof(val8))) { - ret = -EFAULT; - break; - } - if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", - (val8 >> 5) + 1, NULL)) { - ret = -EIO; - break; - } - /* sync the backlight device status */ - sony_backlight_device->props.brightness = - sony_backlight_get_brightness(sony_backlight_device); - break; - case SONYPI_IOCGBAT1CAP: - if (ec_read16(SONYPI_BAT1_FULL, &val16)) { - ret = -EIO; - break; - } - if (copy_to_user(argp, &val16, sizeof(val16))) - ret = -EFAULT; - break; - case SONYPI_IOCGBAT1REM: - if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { - ret = -EIO; - break; - } - if (copy_to_user(argp, &val16, sizeof(val16))) - ret = -EFAULT; - break; - case SONYPI_IOCGBAT2CAP: - if (ec_read16(SONYPI_BAT2_FULL, &val16)) { - ret = -EIO; - break; - } - if (copy_to_user(argp, &val16, sizeof(val16))) - ret = -EFAULT; - break; - case SONYPI_IOCGBAT2REM: - if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { - ret = -EIO; - break; - } - if (copy_to_user(argp, &val16, sizeof(val16))) - ret = -EFAULT; - break; - case SONYPI_IOCGBATFLAGS: - if (ec_read(SONYPI_BAT_FLAGS, &val8)) { - ret = -EIO; - break; - } - val8 &= 0x07; - if (copy_to_user(argp, &val8, sizeof(val8))) - ret = -EFAULT; - break; - case SONYPI_IOCGBLUE: - val8 = spic_dev.bluetooth_power; - if (copy_to_user(argp, &val8, sizeof(val8))) - ret = -EFAULT; - break; - case SONYPI_IOCSBLUE: - if (copy_from_user(&val8, argp, sizeof(val8))) { - ret = -EFAULT; - break; - } - __sony_pic_set_bluetoothpower(val8); - break; - /* FAN Controls */ - case SONYPI_IOCGFAN: - if (sony_pic_get_fanspeed(&val8)) { - ret = -EIO; - break; - } - if (copy_to_user(argp, &val8, sizeof(val8))) - ret = -EFAULT; - break; - case SONYPI_IOCSFAN: - if (copy_from_user(&val8, argp, sizeof(val8))) { - ret = -EFAULT; - break; - } - if (sony_pic_set_fanspeed(val8)) - ret = -EIO; - break; - /* GET Temperature (useful under APM) */ - case SONYPI_IOCGTEMP: - if (ec_read(SONYPI_TEMP_STATUS, &val8)) { - ret = -EIO; - break; - } - if (copy_to_user(argp, &val8, sizeof(val8))) - ret = -EFAULT; - break; - default: - ret = -EINVAL; - } - mutex_unlock(&spic_dev.lock); - return ret; -} - -static const struct file_operations sonypi_misc_fops = { - .owner = THIS_MODULE, - .read = sonypi_misc_read, - .poll = sonypi_misc_poll, - .open = sonypi_misc_open, - .release = sonypi_misc_release, - .fasync = sonypi_misc_fasync, - .ioctl = sonypi_misc_ioctl, -}; - -static struct miscdevice sonypi_misc_device = { - .minor = MISC_DYNAMIC_MINOR, - .name = "sonypi", - .fops = &sonypi_misc_fops, -}; - -static void sonypi_compat_report_event(u8 event) -{ - kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); - kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); - wake_up_interruptible(&sonypi_compat.fifo_proc_list); -} - -static int sonypi_compat_init(void) -{ - int error; - - spin_lock_init(&sonypi_compat.fifo_lock); - sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, - &sonypi_compat.fifo_lock); - if (IS_ERR(sonypi_compat.fifo)) { - printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); - return PTR_ERR(sonypi_compat.fifo); - } - - init_waitqueue_head(&sonypi_compat.fifo_proc_list); - - if (minor != -1) - sonypi_misc_device.minor = minor; - error = misc_register(&sonypi_misc_device); - if (error) { - printk(KERN_ERR DRV_PFX "misc_register failed\n"); - goto err_free_kfifo; - } - if (minor == -1) - printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", - sonypi_misc_device.minor); - - return 0; - -err_free_kfifo: - kfifo_free(sonypi_compat.fifo); - return error; -} - -static void sonypi_compat_exit(void) -{ - misc_deregister(&sonypi_misc_device); - kfifo_free(sonypi_compat.fifo); -} -#else -static int sonypi_compat_init(void) { return 0; } -static void sonypi_compat_exit(void) { } -static void sonypi_compat_report_event(u8 event) { } -#endif /* CONFIG_SONYPI_COMPAT */ - -/* - * ACPI callbacks - */ -static acpi_status -sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) -{ - u32 i; - struct sony_pic_dev *dev = (struct sony_pic_dev *)context; - - switch (resource->type) { - case ACPI_RESOURCE_TYPE_START_DEPENDENT: - { - /* start IO enumeration */ - struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); - if (!ioport) - return AE_ERROR; - - list_add(&ioport->list, &dev->ioports); - return AE_OK; - } - - case ACPI_RESOURCE_TYPE_END_DEPENDENT: - /* end IO enumeration */ - return AE_OK; - - case ACPI_RESOURCE_TYPE_IRQ: - { - struct acpi_resource_irq *p = &resource->data.irq; - struct sony_pic_irq *interrupt = NULL; - if (!p || !p->interrupt_count) { - /* - * IRQ descriptors may have no IRQ# bits set, - * particularly those those w/ _STA disabled - */ - dprintk("Blank IRQ resource\n"); - return AE_OK; - } - for (i = 0; i < p->interrupt_count; i++) { - if (!p->interrupts[i]) { - printk(KERN_WARNING DRV_PFX - "Invalid IRQ %d\n", - p->interrupts[i]); - continue; - } - interrupt = kzalloc(sizeof(*interrupt), - GFP_KERNEL); - if (!interrupt) - return AE_ERROR; - - list_add(&interrupt->list, &dev->interrupts); - interrupt->irq.triggering = p->triggering; - interrupt->irq.polarity = p->polarity; - interrupt->irq.sharable = p->sharable; - interrupt->irq.interrupt_count = 1; - interrupt->irq.interrupts[0] = p->interrupts[i]; - } - return AE_OK; - } - case ACPI_RESOURCE_TYPE_IO: - { - struct acpi_resource_io *io = &resource->data.io; - struct sony_pic_ioport *ioport = - list_first_entry(&dev->ioports, struct sony_pic_ioport, list); - if (!io) { - dprintk("Blank IO resource\n"); - return AE_OK; - } - - if (!ioport->io1.minimum) { - memcpy(&ioport->io1, io, sizeof(*io)); - dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, - ioport->io1.address_length); - } - else if (!ioport->io2.minimum) { - memcpy(&ioport->io2, io, sizeof(*io)); - dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, - ioport->io2.address_length); - } - else { - printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); - return AE_ERROR; - } - return AE_OK; - } - default: - dprintk("Resource %d isn't an IRQ nor an IO port\n", - resource->type); - - case ACPI_RESOURCE_TYPE_END_TAG: - return AE_OK; - } - return AE_CTRL_TERMINATE; -} - -static int sony_pic_possible_resources(struct acpi_device *device) -{ - int result = 0; - acpi_status status = AE_OK; - - if (!device) - return -EINVAL; - - /* get device status */ - /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ - dprintk("Evaluating _STA\n"); - result = acpi_bus_get_status(device); - if (result) { - printk(KERN_WARNING DRV_PFX "Unable to read status\n"); - goto end; - } - - if (!device->status.enabled) - dprintk("Device disabled\n"); - else - dprintk("Device enabled\n"); - - /* - * Query and parse 'method' - */ - dprintk("Evaluating %s\n", METHOD_NAME__PRS); - status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, - sony_pic_read_possible_resource, &spic_dev); - if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX - "Failure evaluating %s\n", - METHOD_NAME__PRS); - result = -ENODEV; - } -end: - return result; -} - -/* - * Disable the spic device by calling its _DIS method - */ -static int sony_pic_disable(struct acpi_device *device) -{ - acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, - NULL); - - if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) - return -ENXIO; - - dprintk("Device disabled\n"); - return 0; -} - - -/* - * Based on drivers/acpi/pci_link.c:acpi_pci_link_set - * - * Call _SRS to set current resources - */ -static int sony_pic_enable(struct acpi_device *device, - struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) -{ - acpi_status status; - int result = 0; - /* Type 1 resource layout is: - * IO - * IO - * IRQNoFlags - * End - * - * Type 2 and 3 resource layout is: - * IO - * IRQNoFlags - * End - */ - struct { - struct acpi_resource res1; - struct acpi_resource res2; - struct acpi_resource res3; - struct acpi_resource res4; - } *resource; - struct acpi_buffer buffer = { 0, NULL }; - - if (!ioport || !irq) - return -EINVAL; - - /* init acpi_buffer */ - resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); - if (!resource) - return -ENOMEM; - - buffer.length = sizeof(*resource) + 1; - buffer.pointer = resource; - - /* setup Type 1 resources */ - if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) { - - /* setup io resources */ - resource->res1.type = ACPI_RESOURCE_TYPE_IO; - resource->res1.length = sizeof(struct acpi_resource); - memcpy(&resource->res1.data.io, &ioport->io1, - sizeof(struct acpi_resource_io)); - - resource->res2.type = ACPI_RESOURCE_TYPE_IO; - resource->res2.length = sizeof(struct acpi_resource); - memcpy(&resource->res2.data.io, &ioport->io2, - sizeof(struct acpi_resource_io)); - - /* setup irq resource */ - resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; - resource->res3.length = sizeof(struct acpi_resource); - memcpy(&resource->res3.data.irq, &irq->irq, - sizeof(struct acpi_resource_irq)); - /* we requested a shared irq */ - resource->res3.data.irq.sharable = ACPI_SHARED; - - resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; - - } - /* setup Type 2/3 resources */ - else { - /* setup io resource */ - resource->res1.type = ACPI_RESOURCE_TYPE_IO; - resource->res1.length = sizeof(struct acpi_resource); - memcpy(&resource->res1.data.io, &ioport->io1, - sizeof(struct acpi_resource_io)); - - /* setup irq resource */ - resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; - resource->res2.length = sizeof(struct acpi_resource); - memcpy(&resource->res2.data.irq, &irq->irq, - sizeof(struct acpi_resource_irq)); - /* we requested a shared irq */ - resource->res2.data.irq.sharable = ACPI_SHARED; - - resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; - } - - /* Attempt to set the resource */ - dprintk("Evaluating _SRS\n"); - status = acpi_set_current_resources(device->handle, &buffer); - - /* check for total failure */ - if (ACPI_FAILURE(status)) { - printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); - result = -ENODEV; - goto end; - } - - /* Necessary device initializations calls (from sonypi) */ - sony_pic_call1(0x82); - sony_pic_call2(0x81, 0xff); - sony_pic_call1(compat ? 0x92 : 0x82); - -end: - kfree(resource); - return result; -} - -/***************** - * - * ISR: some event is available - * - *****************/ -static irqreturn_t sony_pic_irq(int irq, void *dev_id) -{ - int i, j; - u8 ev = 0; - u8 data_mask = 0; - u8 device_event = 0; - - struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; - - ev = inb_p(dev->cur_ioport->io1.minimum); - if (dev->cur_ioport->io2.minimum) - data_mask = inb_p(dev->cur_ioport->io2.minimum); - else - data_mask = inb_p(dev->cur_ioport->io1.minimum + - dev->control->evport_offset); - - dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", - ev, data_mask, dev->cur_ioport->io1.minimum, - dev->control->evport_offset); - - if (ev == 0x00 || ev == 0xff) - return IRQ_HANDLED; - - for (i = 0; dev->control->event_types[i].mask; i++) { - - if ((data_mask & dev->control->event_types[i].data) != - dev->control->event_types[i].data) - continue; - - if (!(mask & dev->control->event_types[i].mask)) - continue; - - for (j = 0; dev->control->event_types[i].events[j].event; j++) { - if (ev == dev->control->event_types[i].events[j].data) { - device_event = - dev->control-> - event_types[i].events[j].event; - goto found; - } - } - } - /* Still not able to decode the event try to pass - * it over to the minidriver - */ - if (dev->control->handle_irq && - dev->control->handle_irq(data_mask, ev) == 0) - return IRQ_HANDLED; - - dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", - ev, data_mask, dev->cur_ioport->io1.minimum, - dev->control->evport_offset); - return IRQ_HANDLED; - -found: - sony_laptop_report_input_event(device_event); - acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); - sonypi_compat_report_event(device_event); - - return IRQ_HANDLED; -} - -/***************** - * - * ACPI driver - * - *****************/ -static int sony_pic_remove(struct acpi_device *device, int type) -{ - struct sony_pic_ioport *io, *tmp_io; - struct sony_pic_irq *irq, *tmp_irq; - - if (sony_pic_disable(device)) { - printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); - return -ENXIO; - } - - free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); - release_region(spic_dev.cur_ioport->io1.minimum, - spic_dev.cur_ioport->io1.address_length); - if (spic_dev.cur_ioport->io2.minimum) - release_region(spic_dev.cur_ioport->io2.minimum, - spic_dev.cur_ioport->io2.address_length); - - sonypi_compat_exit(); - - sony_laptop_remove_input(); - - /* pf attrs */ - sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); - sony_pf_remove(); - - list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { - list_del(&io->list); - kfree(io); - } - list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { - list_del(&irq->list); - kfree(irq); - } - spic_dev.cur_ioport = NULL; - spic_dev.cur_irq = NULL; - - dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); - return 0; -} - -static int sony_pic_add(struct acpi_device *device) -{ - int result; - struct sony_pic_ioport *io, *tmp_io; - struct sony_pic_irq *irq, *tmp_irq; - - printk(KERN_INFO DRV_PFX "%s v%s.\n", - SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); - - spic_dev.acpi_dev = device; - strcpy(acpi_device_class(device), "sony/hotkey"); - sony_pic_detect_device_type(&spic_dev); - mutex_init(&spic_dev.lock); - - /* read _PRS resources */ - result = sony_pic_possible_resources(device); - if (result) { - printk(KERN_ERR DRV_PFX - "Unabe to read possible resources.\n"); - goto err_free_resources; - } - - /* setup input devices and helper fifo */ - result = sony_laptop_setup_input(device); - if (result) { - printk(KERN_ERR DRV_PFX - "Unabe to create input devices.\n"); - goto err_free_resources; - } - - if (sonypi_compat_init()) - goto err_remove_input; - - /* request io port */ - list_for_each_entry_reverse(io, &spic_dev.ioports, list) { - if (request_region(io->io1.minimum, io->io1.address_length, - "Sony Programable I/O Device")) { - dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", - io->io1.minimum, io->io1.maximum, - io->io1.address_length); - /* Type 1 have 2 ioports */ - if (io->io2.minimum) { - if (request_region(io->io2.minimum, - io->io2.address_length, - "Sony Programable I/O Device")) { - dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", - io->io2.minimum, io->io2.maximum, - io->io2.address_length); - spic_dev.cur_ioport = io; - break; - } - else { - dprintk("Unable to get I/O port2: " - "0x%.4x (0x%.4x) + 0x%.2x\n", - io->io2.minimum, io->io2.maximum, - io->io2.address_length); - release_region(io->io1.minimum, - io->io1.address_length); - } - } - else { - spic_dev.cur_ioport = io; - break; - } - } - } - if (!spic_dev.cur_ioport) { - printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); - result = -ENODEV; - goto err_remove_compat; - } - - /* request IRQ */ - list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { - if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, - IRQF_SHARED, "sony-laptop", &spic_dev)) { - dprintk("IRQ: %d - triggering: %d - " - "polarity: %d - shr: %d\n", - irq->irq.interrupts[0], - irq->irq.triggering, - irq->irq.polarity, - irq->irq.sharable); - spic_dev.cur_irq = irq; - break; - } - } - if (!spic_dev.cur_irq) { - printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); - result = -ENODEV; - goto err_release_region; - } - - /* set resource status _SRS */ - result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); - if (result) { - printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); - goto err_free_irq; - } - - spic_dev.bluetooth_power = -1; - /* create device attributes */ - result = sony_pf_add(); - if (result) - goto err_disable_device; - - result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); - if (result) - goto err_remove_pf; - - return 0; - -err_remove_pf: - sony_pf_remove(); - -err_disable_device: - sony_pic_disable(device); - -err_free_irq: - free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); - -err_release_region: - release_region(spic_dev.cur_ioport->io1.minimum, - spic_dev.cur_ioport->io1.address_length); - if (spic_dev.cur_ioport->io2.minimum) - release_region(spic_dev.cur_ioport->io2.minimum, - spic_dev.cur_ioport->io2.address_length); - -err_remove_compat: - sonypi_compat_exit(); - -err_remove_input: - sony_laptop_remove_input(); - -err_free_resources: - list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { - list_del(&io->list); - kfree(io); - } - list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { - list_del(&irq->list); - kfree(irq); - } - spic_dev.cur_ioport = NULL; - spic_dev.cur_irq = NULL; - - return result; -} - -static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) -{ - if (sony_pic_disable(device)) - return -ENXIO; - return 0; -} - -static int sony_pic_resume(struct acpi_device *device) -{ - sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); - return 0; -} - -static const struct acpi_device_id sony_pic_device_ids[] = { - {SONY_PIC_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver sony_pic_driver = { - .name = SONY_PIC_DRIVER_NAME, - .class = SONY_PIC_CLASS, - .ids = sony_pic_device_ids, - .owner = THIS_MODULE, - .ops = { - .add = sony_pic_add, - .remove = sony_pic_remove, - .suspend = sony_pic_suspend, - .resume = sony_pic_resume, - }, -}; - -static struct dmi_system_id __initdata sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), - }, - }, - { - .ident = "Sony Vaio", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), - }, - }, - { } -}; - -static int __init sony_laptop_init(void) -{ - int result; - - if (!no_spic && dmi_check_system(sonypi_dmi_table)) { - result = acpi_bus_register_driver(&sony_pic_driver); - if (result) { - printk(KERN_ERR DRV_PFX - "Unable to register SPIC driver."); - goto out; - } - } - - result = acpi_bus_register_driver(&sony_nc_driver); - if (result) { - printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); - goto out_unregister_pic; - } - - return 0; - -out_unregister_pic: - if (!no_spic) - acpi_bus_unregister_driver(&sony_pic_driver); -out: - return result; -} - -static void __exit sony_laptop_exit(void) -{ - acpi_bus_unregister_driver(&sony_nc_driver); - if (!no_spic) - acpi_bus_unregister_driver(&sony_pic_driver); -} - -module_init(sony_laptop_init); -module_exit(sony_laptop_exit); diff --git a/drivers/misc/tc1100-wmi.c b/drivers/misc/tc1100-wmi.c deleted file mode 100644 index f25e4c974dc..00000000000 --- a/drivers/misc/tc1100-wmi.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * HP Compaq TC1100 Tablet WMI Extras Driver - * - * Copyright (C) 2007 Carlos Corbacho <carlos@strangeworlds.co.uk> - * Copyright (C) 2004 Jamey Hicks <jamey.hicks@hp.com> - * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> - * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <acpi/acpi.h> -#include <acpi/actypes.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> -#include <linux/platform_device.h> - -#define GUID "C364AC71-36DB-495A-8494-B439D472A505" - -#define TC1100_INSTANCE_WIRELESS 1 -#define TC1100_INSTANCE_JOGDIAL 2 - -#define TC1100_LOGPREFIX "tc1100-wmi: " -#define TC1100_INFO KERN_INFO TC1100_LOGPREFIX - -MODULE_AUTHOR("Jamey Hicks, Carlos Corbacho"); -MODULE_DESCRIPTION("HP Compaq TC1100 Tablet WMI Extras"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("wmi:C364AC71-36DB-495A-8494-B439D472A505"); - -static int tc1100_probe(struct platform_device *device); -static int tc1100_remove(struct platform_device *device); -static int tc1100_suspend(struct platform_device *device, pm_message_t state); -static int tc1100_resume(struct platform_device *device); - -static struct platform_driver tc1100_driver = { - .driver = { - .name = "tc1100-wmi", - .owner = THIS_MODULE, - }, - .probe = tc1100_probe, - .remove = tc1100_remove, - .suspend = tc1100_suspend, - .resume = tc1100_resume, -}; - -static struct platform_device *tc1100_device; - -struct tc1100_data { - u32 wireless; - u32 jogdial; -}; - -static struct tc1100_data suspend_data; - -/* -------------------------------------------------------------------------- - Device Management - -------------------------------------------------------------------------- */ - -static int get_state(u32 *out, u8 instance) -{ - u32 tmp; - acpi_status status; - struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - - if (!out) - return -EINVAL; - - if (instance > 2) - return -ENODEV; - - status = wmi_query_block(GUID, instance, &result); - if (ACPI_FAILURE(status)) - return -ENODEV; - - obj = (union acpi_object *) result.pointer; - if (obj && obj->type == ACPI_TYPE_BUFFER && - obj->buffer.length == sizeof(u32)) { - tmp = *((u32 *) obj->buffer.pointer); - } else { - tmp = 0; - } - - if (result.length > 0 && result.pointer) - kfree(result.pointer); - - switch (instance) { - case TC1100_INSTANCE_WIRELESS: - *out = (tmp == 3) ? 1 : 0; - return 0; - case TC1100_INSTANCE_JOGDIAL: - *out = (tmp == 1) ? 1 : 0; - return 0; - default: - return -ENODEV; - } -} - -static int set_state(u32 *in, u8 instance) -{ - u32 value; - acpi_status status; - struct acpi_buffer input; - - if (!in) - return -EINVAL; - - if (instance > 2) - return -ENODEV; - - switch (instance) { - case TC1100_INSTANCE_WIRELESS: - value = (*in) ? 1 : 2; - break; - case TC1100_INSTANCE_JOGDIAL: - value = (*in) ? 0 : 1; - break; - default: - return -ENODEV; - } - - input.length = sizeof(u32); - input.pointer = &value; - - status = wmi_set_block(GUID, instance, &input); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return 0; -} - -/* -------------------------------------------------------------------------- - FS Interface (/sys) - -------------------------------------------------------------------------- */ - -/* - * Read/ write bool sysfs macro - */ -#define show_set_bool(value, instance) \ -static ssize_t \ -show_bool_##value(struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - u32 result; \ - acpi_status status = get_state(&result, instance); \ - if (ACPI_SUCCESS(status)) \ - return sprintf(buf, "%d\n", result); \ - return sprintf(buf, "Read error\n"); \ -} \ -\ -static ssize_t \ -set_bool_##value(struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - u32 tmp = simple_strtoul(buf, NULL, 10); \ - acpi_status status = set_state(&tmp, instance); \ - if (ACPI_FAILURE(status)) \ - return -EINVAL; \ - return count; \ -} \ -static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \ - show_bool_##value, set_bool_##value); - -show_set_bool(wireless, TC1100_INSTANCE_WIRELESS); -show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL); - -static void remove_fs(void) -{ - device_remove_file(&tc1100_device->dev, &dev_attr_wireless); - device_remove_file(&tc1100_device->dev, &dev_attr_jogdial); -} - -static int add_fs(void) -{ - int ret; - - ret = device_create_file(&tc1100_device->dev, &dev_attr_wireless); - if (ret) - goto add_sysfs_error; - - ret = device_create_file(&tc1100_device->dev, &dev_attr_jogdial); - if (ret) - goto add_sysfs_error; - - return ret; - -add_sysfs_error: - remove_fs(); - return ret; -} - -/* -------------------------------------------------------------------------- - Driver Model - -------------------------------------------------------------------------- */ - -static int tc1100_probe(struct platform_device *device) -{ - int result = 0; - - result = add_fs(); - return result; -} - - -static int tc1100_remove(struct platform_device *device) -{ - remove_fs(); - return 0; -} - -static int tc1100_suspend(struct platform_device *dev, pm_message_t state) -{ - int ret; - - ret = get_state(&suspend_data.wireless, TC1100_INSTANCE_WIRELESS); - if (ret) - return ret; - - ret = get_state(&suspend_data.jogdial, TC1100_INSTANCE_JOGDIAL); - if (ret) - return ret; - - return ret; -} - -static int tc1100_resume(struct platform_device *dev) -{ - int ret; - - ret = set_state(&suspend_data.wireless, TC1100_INSTANCE_WIRELESS); - if (ret) - return ret; - - ret = set_state(&suspend_data.jogdial, TC1100_INSTANCE_JOGDIAL); - if (ret) - return ret; - - return ret; -} - -static int __init tc1100_init(void) -{ - int result = 0; - - if (!wmi_has_guid(GUID)) - return -ENODEV; - - result = platform_driver_register(&tc1100_driver); - if (result) - return result; - - tc1100_device = platform_device_alloc("tc1100-wmi", -1); - platform_device_add(tc1100_device); - - printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras loaded\n"); - - return result; -} - -static void __exit tc1100_exit(void) -{ - platform_device_del(tc1100_device); - platform_driver_unregister(&tc1100_driver); - - printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras unloaded\n"); -} - -module_init(tc1100_init); -module_exit(tc1100_exit); diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c deleted file mode 100644 index 899766e16fa..00000000000 --- a/drivers/misc/thinkpad_acpi.c +++ /dev/null @@ -1,6949 +0,0 @@ -/* - * thinkpad_acpi.c - ThinkPad ACPI Extras - * - * - * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net> - * Copyright (C) 2006-2008 Henrique de Moraes Holschuh <hmh@hmh.eng.br> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#define TPACPI_VERSION "0.21" -#define TPACPI_SYSFS_VERSION 0x020200 - -/* - * Changelog: - * 2007-10-20 changelog trimmed down - * - * 2007-03-27 0.14 renamed to thinkpad_acpi and moved to - * drivers/misc. - * - * 2006-11-22 0.13 new maintainer - * changelog now lives in git commit history, and will - * not be updated further in-file. - * - * 2005-03-17 0.11 support for 600e, 770x - * thanks to Jamie Lentin <lentinj@dial.pipex.com> - * - * 2005-01-16 0.9 use MODULE_VERSION - * thanks to Henrik Brix Andersen <brix@gentoo.org> - * fix parameter passing on module loading - * thanks to Rusty Russell <rusty@rustcorp.com.au> - * thanks to Jim Radford <radford@blackbean.org> - * 2004-11-08 0.8 fix init error case, don't return from a macro - * thanks to Chris Wright <chrisw@osdl.org> - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/kthread.h> -#include <linux/freezer.h> -#include <linux/delay.h> - -#include <linux/nvram.h> -#include <linux/proc_fs.h> -#include <linux/sysfs.h> -#include <linux/backlight.h> -#include <linux/fb.h> -#include <linux/platform_device.h> -#include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> -#include <linux/input.h> -#include <linux/leds.h> -#include <linux/rfkill.h> -#include <asm/uaccess.h> - -#include <linux/dmi.h> -#include <linux/jiffies.h> -#include <linux/workqueue.h> - -#include <acpi/acpi_drivers.h> -#include <acpi/acnamesp.h> - -#include <linux/pci_ids.h> - - -/* ThinkPad CMOS commands */ -#define TP_CMOS_VOLUME_DOWN 0 -#define TP_CMOS_VOLUME_UP 1 -#define TP_CMOS_VOLUME_MUTE 2 -#define TP_CMOS_BRIGHTNESS_UP 4 -#define TP_CMOS_BRIGHTNESS_DOWN 5 -#define TP_CMOS_THINKLIGHT_ON 12 -#define TP_CMOS_THINKLIGHT_OFF 13 - -/* NVRAM Addresses */ -enum tp_nvram_addr { - TP_NVRAM_ADDR_HK2 = 0x57, - TP_NVRAM_ADDR_THINKLIGHT = 0x58, - TP_NVRAM_ADDR_VIDEO = 0x59, - TP_NVRAM_ADDR_BRIGHTNESS = 0x5e, - TP_NVRAM_ADDR_MIXER = 0x60, -}; - -/* NVRAM bit masks */ -enum { - TP_NVRAM_MASK_HKT_THINKPAD = 0x08, - TP_NVRAM_MASK_HKT_ZOOM = 0x20, - TP_NVRAM_MASK_HKT_DISPLAY = 0x40, - TP_NVRAM_MASK_HKT_HIBERNATE = 0x80, - TP_NVRAM_MASK_THINKLIGHT = 0x10, - TP_NVRAM_MASK_HKT_DISPEXPND = 0x30, - TP_NVRAM_MASK_HKT_BRIGHTNESS = 0x20, - TP_NVRAM_MASK_LEVEL_BRIGHTNESS = 0x0f, - TP_NVRAM_POS_LEVEL_BRIGHTNESS = 0, - TP_NVRAM_MASK_MUTE = 0x40, - TP_NVRAM_MASK_HKT_VOLUME = 0x80, - TP_NVRAM_MASK_LEVEL_VOLUME = 0x0f, - TP_NVRAM_POS_LEVEL_VOLUME = 0, -}; - -/* ACPI HIDs */ -#define TPACPI_ACPI_HKEY_HID "IBM0068" - -/* Input IDs */ -#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */ -#define TPACPI_HKEY_INPUT_VERSION 0x4101 - - -/**************************************************************************** - * Main driver - */ - -#define TPACPI_NAME "thinkpad" -#define TPACPI_DESC "ThinkPad ACPI Extras" -#define TPACPI_FILE TPACPI_NAME "_acpi" -#define TPACPI_URL "http://ibm-acpi.sf.net/" -#define TPACPI_MAIL "ibm-acpi-devel@lists.sourceforge.net" - -#define TPACPI_PROC_DIR "ibm" -#define TPACPI_ACPI_EVENT_PREFIX "ibm" -#define TPACPI_DRVR_NAME TPACPI_FILE -#define TPACPI_DRVR_SHORTNAME "tpacpi" -#define TPACPI_HWMON_DRVR_NAME TPACPI_NAME "_hwmon" - -#define TPACPI_NVRAM_KTHREAD_NAME "ktpacpi_nvramd" -#define TPACPI_WORKQUEUE_NAME "ktpacpid" - -#define TPACPI_MAX_ACPI_ARGS 3 - -/* rfkill switches */ -enum { - TPACPI_RFK_BLUETOOTH_SW_ID = 0, - TPACPI_RFK_WWAN_SW_ID, -}; - -/* Debugging */ -#define TPACPI_LOG TPACPI_FILE ": " -#define TPACPI_ERR KERN_ERR TPACPI_LOG -#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG -#define TPACPI_INFO KERN_INFO TPACPI_LOG -#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG - -#define TPACPI_DBG_ALL 0xffff -#define TPACPI_DBG_INIT 0x0001 -#define TPACPI_DBG_EXIT 0x0002 -#define dbg_printk(a_dbg_level, format, arg...) \ - do { if (dbg_level & a_dbg_level) \ - printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \ - } while (0) -#ifdef CONFIG_THINKPAD_ACPI_DEBUG -#define vdbg_printk(a_dbg_level, format, arg...) \ - dbg_printk(a_dbg_level, format, ## arg) -static const char *str_supported(int is_supported); -#else -#define vdbg_printk(a_dbg_level, format, arg...) -#endif - -#define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off") -#define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") -#define strlencmp(a, b) (strncmp((a), (b), strlen(b))) - - -/**************************************************************************** - * Driver-wide structs and misc. variables - */ - -struct ibm_struct; - -struct tp_acpi_drv_struct { - const struct acpi_device_id *hid; - struct acpi_driver *driver; - - void (*notify) (struct ibm_struct *, u32); - acpi_handle *handle; - u32 type; - struct acpi_device *device; -}; - -struct ibm_struct { - char *name; - - int (*read) (char *); - int (*write) (char *); - void (*exit) (void); - void (*resume) (void); - void (*suspend) (pm_message_t state); - - struct list_head all_drivers; - - struct tp_acpi_drv_struct *acpi; - - struct { - u8 acpi_driver_registered:1; - u8 acpi_notify_installed:1; - u8 proc_created:1; - u8 init_called:1; - u8 experimental:1; - } flags; -}; - -struct ibm_init_struct { - char param[32]; - - int (*init) (struct ibm_init_struct *); - struct ibm_struct *data; -}; - -static struct { -#ifdef CONFIG_THINKPAD_ACPI_BAY - u32 bay_status:1; - u32 bay_eject:1; - u32 bay_status2:1; - u32 bay_eject2:1; -#endif - u32 bluetooth:1; - u32 hotkey:1; - u32 hotkey_mask:1; - u32 hotkey_wlsw:1; - u32 hotkey_tablet:1; - u32 light:1; - u32 light_status:1; - u32 bright_16levels:1; - u32 bright_acpimode:1; - u32 wan:1; - u32 fan_ctrl_status_undef:1; - u32 input_device_registered:1; - u32 platform_drv_registered:1; - u32 platform_drv_attrs_registered:1; - u32 sensors_pdrv_registered:1; - u32 sensors_pdrv_attrs_registered:1; - u32 sensors_pdev_attrs_registered:1; - u32 hotkey_poll_active:1; -} tp_features; - -static struct { - u16 hotkey_mask_ff:1; - u16 bright_cmos_ec_unsync:1; -} tp_warned; - -struct thinkpad_id_data { - unsigned int vendor; /* ThinkPad vendor: - * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */ - - char *bios_version_str; /* Something like 1ZET51WW (1.03z) */ - char *ec_version_str; /* Something like 1ZHT51WW-1.04a */ - - u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */ - u16 ec_model; - - char *model_str; /* ThinkPad T43 */ - char *nummodel_str; /* 9384A9C for a 9384-A9C model */ -}; -static struct thinkpad_id_data thinkpad_id; - -static enum { - TPACPI_LIFE_INIT = 0, - TPACPI_LIFE_RUNNING, - TPACPI_LIFE_EXITING, -} tpacpi_lifecycle; - -static int experimental; -static u32 dbg_level; - -static struct workqueue_struct *tpacpi_wq; - -/* Special LED class that can defer work */ -struct tpacpi_led_classdev { - struct led_classdev led_classdev; - struct work_struct work; - enum led_brightness new_brightness; - unsigned int led; -}; - -/**************************************************************************** - **************************************************************************** - * - * ACPI Helpers and device model - * - **************************************************************************** - ****************************************************************************/ - -/************************************************************************* - * ACPI basic handles - */ - -static acpi_handle root_handle; - -#define TPACPI_HANDLE(object, parent, paths...) \ - static acpi_handle object##_handle; \ - static acpi_handle *object##_parent = &parent##_handle; \ - static char *object##_path; \ - static char *object##_paths[] = { paths } - -TPACPI_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0", /* 240, 240x */ - "\\_SB.PCI.ISA.EC", /* 570 */ - "\\_SB.PCI0.ISA0.EC0", /* 600e/x, 770e, 770x */ - "\\_SB.PCI0.ISA.EC", /* A21e, A2xm/p, T20-22, X20-21 */ - "\\_SB.PCI0.AD4S.EC0", /* i1400, R30 */ - "\\_SB.PCI0.ICH3.EC0", /* R31 */ - "\\_SB.PCI0.LPC.EC", /* all others */ - ); - -TPACPI_HANDLE(ecrd, ec, "ECRD"); /* 570 */ -TPACPI_HANDLE(ecwr, ec, "ECWR"); /* 570 */ - -TPACPI_HANDLE(cmos, root, "\\UCMS", /* R50, R50e, R50p, R51, */ - /* T4x, X31, X40 */ - "\\CMOS", /* A3x, G4x, R32, T23, T30, X22-24, X30 */ - "\\CMS", /* R40, R40e */ - ); /* all others */ - -TPACPI_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ - "^HKEY", /* R30, R31 */ - "HKEY", /* all others */ - ); /* 570 */ - -TPACPI_HANDLE(vid, root, "\\_SB.PCI.AGP.VGA", /* 570 */ - "\\_SB.PCI0.AGP0.VID0", /* 600e/x, 770x */ - "\\_SB.PCI0.VID0", /* 770e */ - "\\_SB.PCI0.VID", /* A21e, G4x, R50e, X30, X40 */ - "\\_SB.PCI0.AGP.VID", /* all others */ - ); /* R30, R31 */ - - -/************************************************************************* - * ACPI helpers - */ - -static int acpi_evalf(acpi_handle handle, - void *res, char *method, char *fmt, ...) -{ - char *fmt0 = fmt; - struct acpi_object_list params; - union acpi_object in_objs[TPACPI_MAX_ACPI_ARGS]; - struct acpi_buffer result, *resultp; - union acpi_object out_obj; - acpi_status status; - va_list ap; - char res_type; - int success; - int quiet; - - if (!*fmt) { - printk(TPACPI_ERR "acpi_evalf() called with empty format\n"); - return 0; - } - - if (*fmt == 'q') { - quiet = 1; - fmt++; - } else - quiet = 0; - - res_type = *(fmt++); - - params.count = 0; - params.pointer = &in_objs[0]; - - va_start(ap, fmt); - while (*fmt) { - char c = *(fmt++); - switch (c) { - case 'd': /* int */ - in_objs[params.count].integer.value = va_arg(ap, int); - in_objs[params.count++].type = ACPI_TYPE_INTEGER; - break; - /* add more types as needed */ - default: - printk(TPACPI_ERR "acpi_evalf() called " - "with invalid format character '%c'\n", c); - return 0; - } - } - va_end(ap); - - if (res_type != 'v') { - result.length = sizeof(out_obj); - result.pointer = &out_obj; - resultp = &result; - } else - resultp = NULL; - - status = acpi_evaluate_object(handle, method, ¶ms, resultp); - - switch (res_type) { - case 'd': /* int */ - if (res) - *(int *)res = out_obj.integer.value; - success = status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER; - break; - case 'v': /* void */ - success = status == AE_OK; - break; - /* add more types as needed */ - default: - printk(TPACPI_ERR "acpi_evalf() called " - "with invalid format character '%c'\n", res_type); - return 0; - } - - if (!success && !quiet) - printk(TPACPI_ERR "acpi_evalf(%s, %s, ...) failed: %d\n", - method, fmt0, status); - - return success; -} - -static int acpi_ec_read(int i, u8 *p) -{ - int v; - - if (ecrd_handle) { - if (!acpi_evalf(ecrd_handle, &v, NULL, "dd", i)) - return 0; - *p = v; - } else { - if (ec_read(i, p) < 0) - return 0; - } - - return 1; -} - -static int acpi_ec_write(int i, u8 v) -{ - if (ecwr_handle) { - if (!acpi_evalf(ecwr_handle, NULL, NULL, "vdd", i, v)) - return 0; - } else { - if (ec_write(i, v) < 0) - return 0; - } - - return 1; -} - -#if defined(CONFIG_THINKPAD_ACPI_DOCK) || defined(CONFIG_THINKPAD_ACPI_BAY) -static int _sta(acpi_handle handle) -{ - int status; - - if (!handle || !acpi_evalf(handle, &status, "_STA", "d")) - status = 0; - - return status; -} -#endif - -static int issue_thinkpad_cmos_command(int cmos_cmd) -{ - if (!cmos_handle) - return -ENXIO; - - if (!acpi_evalf(cmos_handle, NULL, NULL, "vd", cmos_cmd)) - return -EIO; - - return 0; -} - -/************************************************************************* - * ACPI device model - */ - -#define TPACPI_ACPIHANDLE_INIT(object) \ - drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \ - object##_paths, ARRAY_SIZE(object##_paths), &object##_path) - -static void drv_acpi_handle_init(char *name, - acpi_handle *handle, acpi_handle parent, - char **paths, int num_paths, char **path) -{ - int i; - acpi_status status; - - vdbg_printk(TPACPI_DBG_INIT, "trying to locate ACPI handle for %s\n", - name); - - for (i = 0; i < num_paths; i++) { - status = acpi_get_handle(parent, paths[i], handle); - if (ACPI_SUCCESS(status)) { - *path = paths[i]; - dbg_printk(TPACPI_DBG_INIT, - "Found ACPI handle %s for %s\n", - *path, name); - return; - } - } - - vdbg_printk(TPACPI_DBG_INIT, "ACPI handle for %s not found\n", - name); - *handle = NULL; -} - -static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data) -{ - struct ibm_struct *ibm = data; - - if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING) - return; - - if (!ibm || !ibm->acpi || !ibm->acpi->notify) - return; - - ibm->acpi->notify(ibm, event); -} - -static int __init setup_acpi_notify(struct ibm_struct *ibm) -{ - acpi_status status; - int rc; - - BUG_ON(!ibm->acpi); - - if (!*ibm->acpi->handle) - return 0; - - vdbg_printk(TPACPI_DBG_INIT, - "setting up ACPI notify for %s\n", ibm->name); - - rc = acpi_bus_get_device(*ibm->acpi->handle, &ibm->acpi->device); - if (rc < 0) { - printk(TPACPI_ERR "acpi_bus_get_device(%s) failed: %d\n", - ibm->name, rc); - return -ENODEV; - } - - ibm->acpi->device->driver_data = ibm; - sprintf(acpi_device_class(ibm->acpi->device), "%s/%s", - TPACPI_ACPI_EVENT_PREFIX, - ibm->name); - - status = acpi_install_notify_handler(*ibm->acpi->handle, - ibm->acpi->type, dispatch_acpi_notify, ibm); - if (ACPI_FAILURE(status)) { - if (status == AE_ALREADY_EXISTS) { - printk(TPACPI_NOTICE - "another device driver is already " - "handling %s events\n", ibm->name); - } else { - printk(TPACPI_ERR - "acpi_install_notify_handler(%s) failed: %d\n", - ibm->name, status); - } - return -ENODEV; - } - ibm->flags.acpi_notify_installed = 1; - return 0; -} - -static int __init tpacpi_device_add(struct acpi_device *device) -{ - return 0; -} - -static int __init register_tpacpi_subdriver(struct ibm_struct *ibm) -{ - int rc; - - dbg_printk(TPACPI_DBG_INIT, - "registering %s as an ACPI driver\n", ibm->name); - - BUG_ON(!ibm->acpi); - - ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL); - if (!ibm->acpi->driver) { - printk(TPACPI_ERR - "failed to allocate memory for ibm->acpi->driver\n"); - return -ENOMEM; - } - - sprintf(ibm->acpi->driver->name, "%s_%s", TPACPI_NAME, ibm->name); - ibm->acpi->driver->ids = ibm->acpi->hid; - - ibm->acpi->driver->ops.add = &tpacpi_device_add; - - rc = acpi_bus_register_driver(ibm->acpi->driver); - if (rc < 0) { - printk(TPACPI_ERR "acpi_bus_register_driver(%s) failed: %d\n", - ibm->name, rc); - kfree(ibm->acpi->driver); - ibm->acpi->driver = NULL; - } else if (!rc) - ibm->flags.acpi_driver_registered = 1; - - return rc; -} - - -/**************************************************************************** - **************************************************************************** - * - * Procfs Helpers - * - **************************************************************************** - ****************************************************************************/ - -static int dispatch_procfs_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct ibm_struct *ibm = data; - int len; - - if (!ibm || !ibm->read) - return -EINVAL; - - len = ibm->read(page); - if (len < 0) - return len; - - if (len <= off + count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; - - return len; -} - -static int dispatch_procfs_write(struct file *file, - const char __user *userbuf, - unsigned long count, void *data) -{ - struct ibm_struct *ibm = data; - char *kernbuf; - int ret; - - if (!ibm || !ibm->write) - return -EINVAL; - - kernbuf = kmalloc(count + 2, GFP_KERNEL); - if (!kernbuf) - return -ENOMEM; - - if (copy_from_user(kernbuf, userbuf, count)) { - kfree(kernbuf); - return -EFAULT; - } - - kernbuf[count] = 0; - strcat(kernbuf, ","); - ret = ibm->write(kernbuf); - if (ret == 0) - ret = count; - - kfree(kernbuf); - - return ret; -} - -static char *next_cmd(char **cmds) -{ - char *start = *cmds; - char *end; - - while ((end = strchr(start, ',')) && end == start) - start = end + 1; - - if (!end) - return NULL; - - *end = 0; - *cmds = end + 1; - return start; -} - - -/**************************************************************************** - **************************************************************************** - * - * Device model: input, hwmon and platform - * - **************************************************************************** - ****************************************************************************/ - -static struct platform_device *tpacpi_pdev; -static struct platform_device *tpacpi_sensors_pdev; -static struct device *tpacpi_hwmon; -static struct input_dev *tpacpi_inputdev; -static struct mutex tpacpi_inputdev_send_mutex; -static LIST_HEAD(tpacpi_all_drivers); - -static int tpacpi_suspend_handler(struct platform_device *pdev, - pm_message_t state) -{ - struct ibm_struct *ibm, *itmp; - - list_for_each_entry_safe(ibm, itmp, - &tpacpi_all_drivers, - all_drivers) { - if (ibm->suspend) - (ibm->suspend)(state); - } - - return 0; -} - -static int tpacpi_resume_handler(struct platform_device *pdev) -{ - struct ibm_struct *ibm, *itmp; - - list_for_each_entry_safe(ibm, itmp, - &tpacpi_all_drivers, - all_drivers) { - if (ibm->resume) - (ibm->resume)(); - } - - return 0; -} - -static struct platform_driver tpacpi_pdriver = { - .driver = { - .name = TPACPI_DRVR_NAME, - .owner = THIS_MODULE, - }, - .suspend = tpacpi_suspend_handler, - .resume = tpacpi_resume_handler, -}; - -static struct platform_driver tpacpi_hwmon_pdriver = { - .driver = { - .name = TPACPI_HWMON_DRVR_NAME, - .owner = THIS_MODULE, - }, -}; - -/************************************************************************* - * sysfs support helpers - */ - -struct attribute_set { - unsigned int members, max_members; - struct attribute_group group; -}; - -struct attribute_set_obj { - struct attribute_set s; - struct attribute *a; -} __attribute__((packed)); - -static struct attribute_set *create_attr_set(unsigned int max_members, - const char *name) -{ - struct attribute_set_obj *sobj; - - if (max_members == 0) - return NULL; - - /* Allocates space for implicit NULL at the end too */ - sobj = kzalloc(sizeof(struct attribute_set_obj) + - max_members * sizeof(struct attribute *), - GFP_KERNEL); - if (!sobj) - return NULL; - sobj->s.max_members = max_members; - sobj->s.group.attrs = &sobj->a; - sobj->s.group.name = name; - - return &sobj->s; -} - -#define destroy_attr_set(_set) \ - kfree(_set); - -/* not multi-threaded safe, use it in a single thread per set */ -static int add_to_attr_set(struct attribute_set *s, struct attribute *attr) -{ - if (!s || !attr) - return -EINVAL; - - if (s->members >= s->max_members) - return -ENOMEM; - - s->group.attrs[s->members] = attr; - s->members++; - - return 0; -} - -static int add_many_to_attr_set(struct attribute_set *s, - struct attribute **attr, - unsigned int count) -{ - int i, res; - - for (i = 0; i < count; i++) { - res = add_to_attr_set(s, attr[i]); - if (res) - return res; - } - - return 0; -} - -static void delete_attr_set(struct attribute_set *s, struct kobject *kobj) -{ - sysfs_remove_group(kobj, &s->group); - destroy_attr_set(s); -} - -#define register_attr_set_with_sysfs(_attr_set, _kobj) \ - sysfs_create_group(_kobj, &_attr_set->group) - -static int parse_strtoul(const char *buf, - unsigned long max, unsigned long *value) -{ - char *endp; - - while (*buf && isspace(*buf)) - buf++; - *value = simple_strtoul(buf, &endp, 0); - while (*endp && isspace(*endp)) - endp++; - if (*endp || *value > max) - return -EINVAL; - - return 0; -} - -static void tpacpi_disable_brightness_delay(void) -{ - if (acpi_evalf(hkey_handle, NULL, "PWMS", "qvd", 0)) - printk(TPACPI_NOTICE - "ACPI backlight control delay disabled\n"); -} - -static int __init tpacpi_query_bcl_levels(acpi_handle handle) -{ - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - int rc; - - if (ACPI_SUCCESS(acpi_evaluate_object(handle, NULL, NULL, &buffer))) { - obj = (union acpi_object *)buffer.pointer; - if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) { - printk(TPACPI_ERR "Unknown _BCL data, " - "please report this to %s\n", TPACPI_MAIL); - rc = 0; - } else { - rc = obj->package.count; - } - } else { - return 0; - } - - kfree(buffer.pointer); - return rc; -} - -static acpi_status __init tpacpi_acpi_walk_find_bcl(acpi_handle handle, - u32 lvl, void *context, void **rv) -{ - char name[ACPI_PATH_SEGMENT_LENGTH]; - struct acpi_buffer buffer = { sizeof(name), &name }; - - if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) && - !strncmp("_BCL", name, sizeof(name) - 1)) { - BUG_ON(!rv || !*rv); - **(int **)rv = tpacpi_query_bcl_levels(handle); - return AE_CTRL_TERMINATE; - } else { - return AE_OK; - } -} - -/* - * Returns 0 (no ACPI _BCL or _BCL invalid), or size of brightness map - */ -static int __init tpacpi_check_std_acpi_brightness_support(void) -{ - int status; - int bcl_levels = 0; - void *bcl_ptr = &bcl_levels; - - if (!vid_handle) { - TPACPI_ACPIHANDLE_INIT(vid); - } - if (!vid_handle) - return 0; - - /* - * Search for a _BCL method, and execute it. This is safe on all - * ThinkPads, and as a side-effect, _BCL will place a Lenovo Vista - * BIOS in ACPI backlight control mode. We do NOT have to care - * about calling the _BCL method in an enabled video device, any - * will do for our purposes. - */ - - status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3, - tpacpi_acpi_walk_find_bcl, NULL, - &bcl_ptr); - - if (ACPI_SUCCESS(status) && bcl_levels > 2) { - tp_features.bright_acpimode = 1; - return (bcl_levels - 2); - } - - return 0; -} - -static int __init tpacpi_new_rfkill(const unsigned int id, - struct rfkill **rfk, - const enum rfkill_type rfktype, - const char *name, - int (*toggle_radio)(void *, enum rfkill_state), - int (*get_state)(void *, enum rfkill_state *)) -{ - int res; - enum rfkill_state initial_state; - - *rfk = rfkill_allocate(&tpacpi_pdev->dev, rfktype); - if (!*rfk) { - printk(TPACPI_ERR - "failed to allocate memory for rfkill class\n"); - return -ENOMEM; - } - - (*rfk)->name = name; - (*rfk)->get_state = get_state; - (*rfk)->toggle_radio = toggle_radio; - - if (!get_state(NULL, &initial_state)) - (*rfk)->state = initial_state; - - res = rfkill_register(*rfk); - if (res < 0) { - printk(TPACPI_ERR - "failed to register %s rfkill switch: %d\n", - name, res); - rfkill_free(*rfk); - *rfk = NULL; - return res; - } - - return 0; -} - -/************************************************************************* - * thinkpad-acpi driver attributes - */ - -/* interface_version --------------------------------------------------- */ -static ssize_t tpacpi_driver_interface_version_show( - struct device_driver *drv, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "0x%08x\n", TPACPI_SYSFS_VERSION); -} - -static DRIVER_ATTR(interface_version, S_IRUGO, - tpacpi_driver_interface_version_show, NULL); - -/* debug_level --------------------------------------------------------- */ -static ssize_t tpacpi_driver_debug_show(struct device_driver *drv, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "0x%04x\n", dbg_level); -} - -static ssize_t tpacpi_driver_debug_store(struct device_driver *drv, - const char *buf, size_t count) -{ - unsigned long t; - - if (parse_strtoul(buf, 0xffff, &t)) - return -EINVAL; - - dbg_level = t; - - return count; -} - -static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, - tpacpi_driver_debug_show, tpacpi_driver_debug_store); - -/* version ------------------------------------------------------------- */ -static ssize_t tpacpi_driver_version_show(struct device_driver *drv, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s v%s\n", - TPACPI_DESC, TPACPI_VERSION); -} - -static DRIVER_ATTR(version, S_IRUGO, - tpacpi_driver_version_show, NULL); - -/* --------------------------------------------------------------------- */ - -static struct driver_attribute *tpacpi_driver_attributes[] = { - &driver_attr_debug_level, &driver_attr_version, - &driver_attr_interface_version, -}; - -static int __init tpacpi_create_driver_attributes(struct device_driver *drv) -{ - int i, res; - - i = 0; - res = 0; - while (!res && i < ARRAY_SIZE(tpacpi_driver_attributes)) { - res = driver_create_file(drv, tpacpi_driver_attributes[i]); - i++; - } - - return res; -} - -static void tpacpi_remove_driver_attributes(struct device_driver *drv) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++) - driver_remove_file(drv, tpacpi_driver_attributes[i]); -} - -/**************************************************************************** - **************************************************************************** - * - * Subdrivers - * - **************************************************************************** - ****************************************************************************/ - -/************************************************************************* - * thinkpad-acpi init subdriver - */ - -static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm) -{ - printk(TPACPI_INFO "%s v%s\n", TPACPI_DESC, TPACPI_VERSION); - printk(TPACPI_INFO "%s\n", TPACPI_URL); - - printk(TPACPI_INFO "ThinkPad BIOS %s, EC %s\n", - (thinkpad_id.bios_version_str) ? - thinkpad_id.bios_version_str : "unknown", - (thinkpad_id.ec_version_str) ? - thinkpad_id.ec_version_str : "unknown"); - - if (thinkpad_id.vendor && thinkpad_id.model_str) - printk(TPACPI_INFO "%s %s, model %s\n", - (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) ? - "IBM" : ((thinkpad_id.vendor == - PCI_VENDOR_ID_LENOVO) ? - "Lenovo" : "Unknown vendor"), - thinkpad_id.model_str, - (thinkpad_id.nummodel_str) ? - thinkpad_id.nummodel_str : "unknown"); - - return 0; -} - -static int thinkpad_acpi_driver_read(char *p) -{ - int len = 0; - - len += sprintf(p + len, "driver:\t\t%s\n", TPACPI_DESC); - len += sprintf(p + len, "version:\t%s\n", TPACPI_VERSION); - - return len; -} - -static struct ibm_struct thinkpad_acpi_driver_data = { - .name = "driver", - .read = thinkpad_acpi_driver_read, -}; - -/************************************************************************* - * Hotkey subdriver - */ - -enum { /* hot key scan codes (derived from ACPI DSDT) */ - TP_ACPI_HOTKEYSCAN_FNF1 = 0, - TP_ACPI_HOTKEYSCAN_FNF2, - TP_ACPI_HOTKEYSCAN_FNF3, - TP_ACPI_HOTKEYSCAN_FNF4, - TP_ACPI_HOTKEYSCAN_FNF5, - TP_ACPI_HOTKEYSCAN_FNF6, - TP_ACPI_HOTKEYSCAN_FNF7, - TP_ACPI_HOTKEYSCAN_FNF8, - TP_ACPI_HOTKEYSCAN_FNF9, - TP_ACPI_HOTKEYSCAN_FNF10, - TP_ACPI_HOTKEYSCAN_FNF11, - TP_ACPI_HOTKEYSCAN_FNF12, - TP_ACPI_HOTKEYSCAN_FNBACKSPACE, - TP_ACPI_HOTKEYSCAN_FNINSERT, - TP_ACPI_HOTKEYSCAN_FNDELETE, - TP_ACPI_HOTKEYSCAN_FNHOME, - TP_ACPI_HOTKEYSCAN_FNEND, - TP_ACPI_HOTKEYSCAN_FNPAGEUP, - TP_ACPI_HOTKEYSCAN_FNPAGEDOWN, - TP_ACPI_HOTKEYSCAN_FNSPACE, - TP_ACPI_HOTKEYSCAN_VOLUMEUP, - TP_ACPI_HOTKEYSCAN_VOLUMEDOWN, - TP_ACPI_HOTKEYSCAN_MUTE, - TP_ACPI_HOTKEYSCAN_THINKPAD, -}; - -enum { /* Keys available through NVRAM polling */ - TPACPI_HKEY_NVRAM_KNOWN_MASK = 0x00fb88c0U, - TPACPI_HKEY_NVRAM_GOOD_MASK = 0x00fb8000U, -}; - -enum { /* Positions of some of the keys in hotkey masks */ - TP_ACPI_HKEY_DISPSWTCH_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNF7, - TP_ACPI_HKEY_DISPXPAND_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNF8, - TP_ACPI_HKEY_HIBERNATE_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNF12, - TP_ACPI_HKEY_BRGHTUP_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNHOME, - TP_ACPI_HKEY_BRGHTDWN_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNEND, - TP_ACPI_HKEY_THNKLGHT_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNPAGEUP, - TP_ACPI_HKEY_ZOOM_MASK = 1 << TP_ACPI_HOTKEYSCAN_FNSPACE, - TP_ACPI_HKEY_VOLUP_MASK = 1 << TP_ACPI_HOTKEYSCAN_VOLUMEUP, - TP_ACPI_HKEY_VOLDWN_MASK = 1 << TP_ACPI_HOTKEYSCAN_VOLUMEDOWN, - TP_ACPI_HKEY_MUTE_MASK = 1 << TP_ACPI_HOTKEYSCAN_MUTE, - TP_ACPI_HKEY_THINKPAD_MASK = 1 << TP_ACPI_HOTKEYSCAN_THINKPAD, -}; - -enum { /* NVRAM to ACPI HKEY group map */ - TP_NVRAM_HKEY_GROUP_HK2 = TP_ACPI_HKEY_THINKPAD_MASK | - TP_ACPI_HKEY_ZOOM_MASK | - TP_ACPI_HKEY_DISPSWTCH_MASK | - TP_ACPI_HKEY_HIBERNATE_MASK, - TP_NVRAM_HKEY_GROUP_BRIGHTNESS = TP_ACPI_HKEY_BRGHTUP_MASK | - TP_ACPI_HKEY_BRGHTDWN_MASK, - TP_NVRAM_HKEY_GROUP_VOLUME = TP_ACPI_HKEY_VOLUP_MASK | - TP_ACPI_HKEY_VOLDWN_MASK | - TP_ACPI_HKEY_MUTE_MASK, -}; - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL -struct tp_nvram_state { - u16 thinkpad_toggle:1; - u16 zoom_toggle:1; - u16 display_toggle:1; - u16 thinklight_toggle:1; - u16 hibernate_toggle:1; - u16 displayexp_toggle:1; - u16 display_state:1; - u16 brightness_toggle:1; - u16 volume_toggle:1; - u16 mute:1; - - u8 brightness_level; - u8 volume_level; -}; - -static struct task_struct *tpacpi_hotkey_task; -static u32 hotkey_source_mask; /* bit mask 0=ACPI,1=NVRAM */ -static int hotkey_poll_freq = 10; /* Hz */ -static struct mutex hotkey_thread_mutex; -static struct mutex hotkey_thread_data_mutex; -static unsigned int hotkey_config_change; - -#else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - -#define hotkey_source_mask 0U - -#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - -static struct mutex hotkey_mutex; - -static enum { /* Reasons for waking up */ - TP_ACPI_WAKEUP_NONE = 0, /* None or unknown */ - TP_ACPI_WAKEUP_BAYEJ, /* Bay ejection request */ - TP_ACPI_WAKEUP_UNDOCK, /* Undock request */ -} hotkey_wakeup_reason; - -static int hotkey_autosleep_ack; - -static int hotkey_orig_status; -static u32 hotkey_orig_mask; -static u32 hotkey_all_mask; -static u32 hotkey_reserved_mask; -static u32 hotkey_mask; - -static unsigned int hotkey_report_mode; - -static u16 *hotkey_keycode_map; - -static struct attribute_set *hotkey_dev_attributes; - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL -#define HOTKEY_CONFIG_CRITICAL_START \ - do { \ - mutex_lock(&hotkey_thread_data_mutex); \ - hotkey_config_change++; \ - } while (0); -#define HOTKEY_CONFIG_CRITICAL_END \ - mutex_unlock(&hotkey_thread_data_mutex); -#else -#define HOTKEY_CONFIG_CRITICAL_START -#define HOTKEY_CONFIG_CRITICAL_END -#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - -/* HKEY.MHKG() return bits */ -#define TP_HOTKEY_TABLET_MASK (1 << 3) - -static int hotkey_get_wlsw(int *status) -{ - if (!acpi_evalf(hkey_handle, status, "WLSW", "d")) - return -EIO; - return 0; -} - -static int hotkey_get_tablet_mode(int *status) -{ - int s; - - if (!acpi_evalf(hkey_handle, &s, "MHKG", "d")) - return -EIO; - - *status = ((s & TP_HOTKEY_TABLET_MASK) != 0); - return 0; -} - -/* - * Call with hotkey_mutex held - */ -static int hotkey_mask_get(void) -{ - u32 m = 0; - - if (tp_features.hotkey_mask) { - if (!acpi_evalf(hkey_handle, &m, "DHKN", "d")) - return -EIO; - } - hotkey_mask = m | (hotkey_source_mask & hotkey_mask); - - return 0; -} - -/* - * Call with hotkey_mutex held - */ -static int hotkey_mask_set(u32 mask) -{ - int i; - int rc = 0; - - if (tp_features.hotkey_mask) { - if (!tp_warned.hotkey_mask_ff && - (mask == 0xffff || mask == 0xffffff || - mask == 0xffffffff)) { - tp_warned.hotkey_mask_ff = 1; - printk(TPACPI_NOTICE - "setting the hotkey mask to 0x%08x is likely " - "not the best way to go about it\n", mask); - printk(TPACPI_NOTICE - "please consider using the driver defaults, " - "and refer to up-to-date thinkpad-acpi " - "documentation\n"); - } - - HOTKEY_CONFIG_CRITICAL_START - for (i = 0; i < 32; i++) { - u32 m = 1 << i; - /* enable in firmware mask only keys not in NVRAM - * mode, but enable the key in the cached hotkey_mask - * regardless of mode, or the key will end up - * disabled by hotkey_mask_get() */ - if (!acpi_evalf(hkey_handle, - NULL, "MHKM", "vdd", i + 1, - !!((mask & ~hotkey_source_mask) & m))) { - rc = -EIO; - break; - } else { - hotkey_mask = (hotkey_mask & ~m) | (mask & m); - } - } - HOTKEY_CONFIG_CRITICAL_END - - /* hotkey_mask_get must be called unconditionally below */ - if (!hotkey_mask_get() && !rc && - (hotkey_mask & ~hotkey_source_mask) != - (mask & ~hotkey_source_mask)) { - printk(TPACPI_NOTICE - "requested hot key mask 0x%08x, but " - "firmware forced it to 0x%08x\n", - mask, hotkey_mask); - } - } else { -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - HOTKEY_CONFIG_CRITICAL_START - hotkey_mask = mask & hotkey_source_mask; - HOTKEY_CONFIG_CRITICAL_END - hotkey_mask_get(); - if (hotkey_mask != mask) { - printk(TPACPI_NOTICE - "requested hot key mask 0x%08x, " - "forced to 0x%08x (NVRAM poll mask is " - "0x%08x): no firmware mask support\n", - mask, hotkey_mask, hotkey_source_mask); - } -#else - hotkey_mask_get(); - rc = -ENXIO; -#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - } - - return rc; -} - -static int hotkey_status_get(int *status) -{ - if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) - return -EIO; - - return 0; -} - -static int hotkey_status_set(int status) -{ - if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status)) - return -EIO; - - return 0; -} - -static void tpacpi_input_send_tabletsw(void) -{ - int state; - - if (tp_features.hotkey_tablet && - !hotkey_get_tablet_mode(&state)) { - mutex_lock(&tpacpi_inputdev_send_mutex); - - input_report_switch(tpacpi_inputdev, - SW_TABLET_MODE, !!state); - input_sync(tpacpi_inputdev); - - mutex_unlock(&tpacpi_inputdev_send_mutex); - } -} - -static void tpacpi_input_send_key(unsigned int scancode) -{ - unsigned int keycode; - - keycode = hotkey_keycode_map[scancode]; - - if (keycode != KEY_RESERVED) { - mutex_lock(&tpacpi_inputdev_send_mutex); - - input_report_key(tpacpi_inputdev, keycode, 1); - if (keycode == KEY_UNKNOWN) - input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, - scancode); - input_sync(tpacpi_inputdev); - - input_report_key(tpacpi_inputdev, keycode, 0); - if (keycode == KEY_UNKNOWN) - input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, - scancode); - input_sync(tpacpi_inputdev); - - mutex_unlock(&tpacpi_inputdev_send_mutex); - } -} - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL -static struct tp_acpi_drv_struct ibm_hotkey_acpidriver; - -static void tpacpi_hotkey_send_key(unsigned int scancode) -{ - tpacpi_input_send_key(scancode); - if (hotkey_report_mode < 2) { - acpi_bus_generate_proc_event(ibm_hotkey_acpidriver.device, - 0x80, 0x1001 + scancode); - } -} - -static void hotkey_read_nvram(struct tp_nvram_state *n, u32 m) -{ - u8 d; - - if (m & TP_NVRAM_HKEY_GROUP_HK2) { - d = nvram_read_byte(TP_NVRAM_ADDR_HK2); - n->thinkpad_toggle = !!(d & TP_NVRAM_MASK_HKT_THINKPAD); - n->zoom_toggle = !!(d & TP_NVRAM_MASK_HKT_ZOOM); - n->display_toggle = !!(d & TP_NVRAM_MASK_HKT_DISPLAY); - n->hibernate_toggle = !!(d & TP_NVRAM_MASK_HKT_HIBERNATE); - } - if (m & TP_ACPI_HKEY_THNKLGHT_MASK) { - d = nvram_read_byte(TP_NVRAM_ADDR_THINKLIGHT); - n->thinklight_toggle = !!(d & TP_NVRAM_MASK_THINKLIGHT); - } - if (m & TP_ACPI_HKEY_DISPXPAND_MASK) { - d = nvram_read_byte(TP_NVRAM_ADDR_VIDEO); - n->displayexp_toggle = - !!(d & TP_NVRAM_MASK_HKT_DISPEXPND); - } - if (m & TP_NVRAM_HKEY_GROUP_BRIGHTNESS) { - d = nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS); - n->brightness_level = (d & TP_NVRAM_MASK_LEVEL_BRIGHTNESS) - >> TP_NVRAM_POS_LEVEL_BRIGHTNESS; - n->brightness_toggle = - !!(d & TP_NVRAM_MASK_HKT_BRIGHTNESS); - } - if (m & TP_NVRAM_HKEY_GROUP_VOLUME) { - d = nvram_read_byte(TP_NVRAM_ADDR_MIXER); - n->volume_level = (d & TP_NVRAM_MASK_LEVEL_VOLUME) - >> TP_NVRAM_POS_LEVEL_VOLUME; - n->mute = !!(d & TP_NVRAM_MASK_MUTE); - n->volume_toggle = !!(d & TP_NVRAM_MASK_HKT_VOLUME); - } -} - -#define TPACPI_COMPARE_KEY(__scancode, __member) \ - do { \ - if ((mask & (1 << __scancode)) && \ - oldn->__member != newn->__member) \ - tpacpi_hotkey_send_key(__scancode); \ - } while (0) - -#define TPACPI_MAY_SEND_KEY(__scancode) \ - do { if (mask & (1 << __scancode)) \ - tpacpi_hotkey_send_key(__scancode); } while (0) - -static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - struct tp_nvram_state *newn, - u32 mask) -{ - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle); - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle); - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle); - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF12, hibernate_toggle); - - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNPAGEUP, thinklight_toggle); - - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF8, displayexp_toggle); - - /* handle volume */ - if (oldn->volume_toggle != newn->volume_toggle) { - if (oldn->mute != newn->mute) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE); - } - if (oldn->volume_level > newn->volume_level) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN); - } else if (oldn->volume_level < newn->volume_level) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP); - } else if (oldn->mute == newn->mute) { - /* repeated key presses that didn't change state */ - if (newn->mute) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE); - } else if (newn->volume_level != 0) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP); - } else { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN); - } - } - } - - /* handle brightness */ - if (oldn->brightness_toggle != newn->brightness_toggle) { - if (oldn->brightness_level < newn->brightness_level) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); - } else if (oldn->brightness_level > newn->brightness_level) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND); - } else { - /* repeated key presses that didn't change state */ - if (newn->brightness_level != 0) { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); - } else { - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND); - } - } - } -} - -#undef TPACPI_COMPARE_KEY -#undef TPACPI_MAY_SEND_KEY - -static int hotkey_kthread(void *data) -{ - struct tp_nvram_state s[2]; - u32 mask; - unsigned int si, so; - unsigned long t; - unsigned int change_detector, must_reset; - - mutex_lock(&hotkey_thread_mutex); - - if (tpacpi_lifecycle == TPACPI_LIFE_EXITING) - goto exit; - - set_freezable(); - - so = 0; - si = 1; - t = 0; - - /* Initial state for compares */ - mutex_lock(&hotkey_thread_data_mutex); - change_detector = hotkey_config_change; - mask = hotkey_source_mask & hotkey_mask; - mutex_unlock(&hotkey_thread_data_mutex); - hotkey_read_nvram(&s[so], mask); - - while (!kthread_should_stop() && hotkey_poll_freq) { - if (t == 0) - t = 1000/hotkey_poll_freq; - t = msleep_interruptible(t); - if (unlikely(kthread_should_stop())) - break; - must_reset = try_to_freeze(); - if (t > 0 && !must_reset) - continue; - - mutex_lock(&hotkey_thread_data_mutex); - if (must_reset || hotkey_config_change != change_detector) { - /* forget old state on thaw or config change */ - si = so; - t = 0; - change_detector = hotkey_config_change; - } - mask = hotkey_source_mask & hotkey_mask; - mutex_unlock(&hotkey_thread_data_mutex); - - if (likely(mask)) { - hotkey_read_nvram(&s[si], mask); - if (likely(si != so)) { - hotkey_compare_and_issue_event(&s[so], &s[si], - mask); - } - } - - so = si; - si ^= 1; - } - -exit: - mutex_unlock(&hotkey_thread_mutex); - return 0; -} - -static void hotkey_poll_stop_sync(void) -{ - if (tpacpi_hotkey_task) { - if (frozen(tpacpi_hotkey_task) || - freezing(tpacpi_hotkey_task)) - thaw_process(tpacpi_hotkey_task); - - kthread_stop(tpacpi_hotkey_task); - tpacpi_hotkey_task = NULL; - mutex_lock(&hotkey_thread_mutex); - /* at this point, the thread did exit */ - mutex_unlock(&hotkey_thread_mutex); - } -} - -/* call with hotkey_mutex held */ -static void hotkey_poll_setup(int may_warn) -{ - if ((hotkey_source_mask & hotkey_mask) != 0 && - hotkey_poll_freq > 0 && - (tpacpi_inputdev->users > 0 || hotkey_report_mode < 2)) { - if (!tpacpi_hotkey_task) { - tpacpi_hotkey_task = kthread_run(hotkey_kthread, - NULL, TPACPI_NVRAM_KTHREAD_NAME); - if (IS_ERR(tpacpi_hotkey_task)) { - tpacpi_hotkey_task = NULL; - printk(TPACPI_ERR - "could not create kernel thread " - "for hotkey polling\n"); - } - } - } else { - hotkey_poll_stop_sync(); - if (may_warn && - hotkey_source_mask != 0 && hotkey_poll_freq == 0) { - printk(TPACPI_NOTICE - "hot keys 0x%08x require polling, " - "which is currently disabled\n", - hotkey_source_mask); - } - } -} - -static void hotkey_poll_setup_safe(int may_warn) -{ - mutex_lock(&hotkey_mutex); - hotkey_poll_setup(may_warn); - mutex_unlock(&hotkey_mutex); -} - -#else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - -static void hotkey_poll_setup_safe(int __unused) -{ -} - -#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - -static int hotkey_inputdev_open(struct input_dev *dev) -{ - switch (tpacpi_lifecycle) { - case TPACPI_LIFE_INIT: - /* - * hotkey_init will call hotkey_poll_setup_safe - * at the appropriate moment - */ - return 0; - case TPACPI_LIFE_EXITING: - return -EBUSY; - case TPACPI_LIFE_RUNNING: - hotkey_poll_setup_safe(0); - return 0; - } - - /* Should only happen if tpacpi_lifecycle is corrupt */ - BUG(); - return -EBUSY; -} - -static void hotkey_inputdev_close(struct input_dev *dev) -{ - /* disable hotkey polling when possible */ - if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING) - hotkey_poll_setup_safe(0); -} - -/* sysfs hotkey enable ------------------------------------------------- */ -static ssize_t hotkey_enable_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res, status; - - res = hotkey_status_get(&status); - if (res) - return res; - - return snprintf(buf, PAGE_SIZE, "%d\n", status); -} - -static ssize_t hotkey_enable_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - int res; - - if (parse_strtoul(buf, 1, &t)) - return -EINVAL; - - res = hotkey_status_set(t); - - return (res) ? res : count; -} - -static struct device_attribute dev_attr_hotkey_enable = - __ATTR(hotkey_enable, S_IWUSR | S_IRUGO, - hotkey_enable_show, hotkey_enable_store); - -/* sysfs hotkey mask --------------------------------------------------- */ -static ssize_t hotkey_mask_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res; - - if (mutex_lock_interruptible(&hotkey_mutex)) - return -ERESTARTSYS; - res = hotkey_mask_get(); - mutex_unlock(&hotkey_mutex); - - return (res)? - res : snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_mask); -} - -static ssize_t hotkey_mask_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - int res; - - if (parse_strtoul(buf, 0xffffffffUL, &t)) - return -EINVAL; - - if (mutex_lock_interruptible(&hotkey_mutex)) - return -ERESTARTSYS; - - res = hotkey_mask_set(t); - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - hotkey_poll_setup(1); -#endif - - mutex_unlock(&hotkey_mutex); - - return (res) ? res : count; -} - -static struct device_attribute dev_attr_hotkey_mask = - __ATTR(hotkey_mask, S_IWUSR | S_IRUGO, - hotkey_mask_show, hotkey_mask_store); - -/* sysfs hotkey bios_enabled ------------------------------------------- */ -static ssize_t hotkey_bios_enabled_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_orig_status); -} - -static struct device_attribute dev_attr_hotkey_bios_enabled = - __ATTR(hotkey_bios_enabled, S_IRUGO, hotkey_bios_enabled_show, NULL); - -/* sysfs hotkey bios_mask ---------------------------------------------- */ -static ssize_t hotkey_bios_mask_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_orig_mask); -} - -static struct device_attribute dev_attr_hotkey_bios_mask = - __ATTR(hotkey_bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL); - -/* sysfs hotkey all_mask ----------------------------------------------- */ -static ssize_t hotkey_all_mask_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "0x%08x\n", - hotkey_all_mask | hotkey_source_mask); -} - -static struct device_attribute dev_attr_hotkey_all_mask = - __ATTR(hotkey_all_mask, S_IRUGO, hotkey_all_mask_show, NULL); - -/* sysfs hotkey recommended_mask --------------------------------------- */ -static ssize_t hotkey_recommended_mask_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "0x%08x\n", - (hotkey_all_mask | hotkey_source_mask) - & ~hotkey_reserved_mask); -} - -static struct device_attribute dev_attr_hotkey_recommended_mask = - __ATTR(hotkey_recommended_mask, S_IRUGO, - hotkey_recommended_mask_show, NULL); - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - -/* sysfs hotkey hotkey_source_mask ------------------------------------- */ -static ssize_t hotkey_source_mask_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_source_mask); -} - -static ssize_t hotkey_source_mask_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - - if (parse_strtoul(buf, 0xffffffffUL, &t) || - ((t & ~TPACPI_HKEY_NVRAM_KNOWN_MASK) != 0)) - return -EINVAL; - - if (mutex_lock_interruptible(&hotkey_mutex)) - return -ERESTARTSYS; - - HOTKEY_CONFIG_CRITICAL_START - hotkey_source_mask = t; - HOTKEY_CONFIG_CRITICAL_END - - hotkey_poll_setup(1); - - mutex_unlock(&hotkey_mutex); - - return count; -} - -static struct device_attribute dev_attr_hotkey_source_mask = - __ATTR(hotkey_source_mask, S_IWUSR | S_IRUGO, - hotkey_source_mask_show, hotkey_source_mask_store); - -/* sysfs hotkey hotkey_poll_freq --------------------------------------- */ -static ssize_t hotkey_poll_freq_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_poll_freq); -} - -static ssize_t hotkey_poll_freq_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - - if (parse_strtoul(buf, 25, &t)) - return -EINVAL; - - if (mutex_lock_interruptible(&hotkey_mutex)) - return -ERESTARTSYS; - - hotkey_poll_freq = t; - - hotkey_poll_setup(1); - mutex_unlock(&hotkey_mutex); - - return count; -} - -static struct device_attribute dev_attr_hotkey_poll_freq = - __ATTR(hotkey_poll_freq, S_IWUSR | S_IRUGO, - hotkey_poll_freq_show, hotkey_poll_freq_store); - -#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */ - -/* sysfs hotkey radio_sw (pollable) ------------------------------------ */ -static ssize_t hotkey_radio_sw_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res, s; - res = hotkey_get_wlsw(&s); - if (res < 0) - return res; - - return snprintf(buf, PAGE_SIZE, "%d\n", !!s); -} - -static struct device_attribute dev_attr_hotkey_radio_sw = - __ATTR(hotkey_radio_sw, S_IRUGO, hotkey_radio_sw_show, NULL); - -static void hotkey_radio_sw_notify_change(void) -{ - if (tp_features.hotkey_wlsw) - sysfs_notify(&tpacpi_pdev->dev.kobj, NULL, - "hotkey_radio_sw"); -} - -/* sysfs hotkey tablet mode (pollable) --------------------------------- */ -static ssize_t hotkey_tablet_mode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res, s; - res = hotkey_get_tablet_mode(&s); - if (res < 0) - return res; - - return snprintf(buf, PAGE_SIZE, "%d\n", !!s); -} - -static struct device_attribute dev_attr_hotkey_tablet_mode = - __ATTR(hotkey_tablet_mode, S_IRUGO, hotkey_tablet_mode_show, NULL); - -static void hotkey_tablet_mode_notify_change(void) -{ - if (tp_features.hotkey_tablet) - sysfs_notify(&tpacpi_pdev->dev.kobj, NULL, - "hotkey_tablet_mode"); -} - -/* sysfs hotkey report_mode -------------------------------------------- */ -static ssize_t hotkey_report_mode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - (hotkey_report_mode != 0) ? hotkey_report_mode : 1); -} - -static struct device_attribute dev_attr_hotkey_report_mode = - __ATTR(hotkey_report_mode, S_IRUGO, hotkey_report_mode_show, NULL); - -/* sysfs wakeup reason (pollable) -------------------------------------- */ -static ssize_t hotkey_wakeup_reason_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_wakeup_reason); -} - -static struct device_attribute dev_attr_hotkey_wakeup_reason = - __ATTR(wakeup_reason, S_IRUGO, hotkey_wakeup_reason_show, NULL); - -static void hotkey_wakeup_reason_notify_change(void) -{ - if (tp_features.hotkey_mask) - sysfs_notify(&tpacpi_pdev->dev.kobj, NULL, - "wakeup_reason"); -} - -/* sysfs wakeup hotunplug_complete (pollable) -------------------------- */ -static ssize_t hotkey_wakeup_hotunplug_complete_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_autosleep_ack); -} - -static struct device_attribute dev_attr_hotkey_wakeup_hotunplug_complete = - __ATTR(wakeup_hotunplug_complete, S_IRUGO, - hotkey_wakeup_hotunplug_complete_show, NULL); - -static void hotkey_wakeup_hotunplug_complete_notify_change(void) -{ - if (tp_features.hotkey_mask) - sysfs_notify(&tpacpi_pdev->dev.kobj, NULL, - "wakeup_hotunplug_complete"); -} - -/* --------------------------------------------------------------------- */ - -static struct attribute *hotkey_attributes[] __initdata = { - &dev_attr_hotkey_enable.attr, - &dev_attr_hotkey_bios_enabled.attr, - &dev_attr_hotkey_report_mode.attr, -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - &dev_attr_hotkey_mask.attr, - &dev_attr_hotkey_all_mask.attr, - &dev_attr_hotkey_recommended_mask.attr, - &dev_attr_hotkey_source_mask.attr, - &dev_attr_hotkey_poll_freq.attr, -#endif -}; - -static struct attribute *hotkey_mask_attributes[] __initdata = { - &dev_attr_hotkey_bios_mask.attr, -#ifndef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - &dev_attr_hotkey_mask.attr, - &dev_attr_hotkey_all_mask.attr, - &dev_attr_hotkey_recommended_mask.attr, -#endif - &dev_attr_hotkey_wakeup_reason.attr, - &dev_attr_hotkey_wakeup_hotunplug_complete.attr, -}; - -static void bluetooth_update_rfk(void); -static void wan_update_rfk(void); -static void tpacpi_send_radiosw_update(void) -{ - int wlsw; - - /* Sync these BEFORE sending any rfkill events */ - if (tp_features.bluetooth) - bluetooth_update_rfk(); - if (tp_features.wan) - wan_update_rfk(); - - if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) { - mutex_lock(&tpacpi_inputdev_send_mutex); - - input_report_switch(tpacpi_inputdev, - SW_RFKILL_ALL, !!wlsw); - input_sync(tpacpi_inputdev); - - mutex_unlock(&tpacpi_inputdev_send_mutex); - } - hotkey_radio_sw_notify_change(); -} - -static void hotkey_exit(void) -{ -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - hotkey_poll_stop_sync(); -#endif - - if (hotkey_dev_attributes) - delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); - - kfree(hotkey_keycode_map); - - if (tp_features.hotkey) { - dbg_printk(TPACPI_DBG_EXIT, - "restoring original hot key mask\n"); - /* no short-circuit boolean operator below! */ - if ((hotkey_mask_set(hotkey_orig_mask) | - hotkey_status_set(hotkey_orig_status)) != 0) - printk(TPACPI_ERR - "failed to restore hot key mask " - "to BIOS defaults\n"); - } -} - -static int __init hotkey_init(struct ibm_init_struct *iibm) -{ - /* Requirements for changing the default keymaps: - * - * 1. Many of the keys are mapped to KEY_RESERVED for very - * good reasons. Do not change them unless you have deep - * knowledge on the IBM and Lenovo ThinkPad firmware for - * the various ThinkPad models. The driver behaves - * differently for KEY_RESERVED: such keys have their - * hot key mask *unset* in mask_recommended, and also - * in the initial hot key mask programmed into the - * firmware at driver load time, which means the firm- - * ware may react very differently if you change them to - * something else; - * - * 2. You must be subscribed to the linux-thinkpad and - * ibm-acpi-devel mailing lists, and you should read the - * list archives since 2007 if you want to change the - * keymaps. This requirement exists so that you will - * know the past history of problems with the thinkpad- - * acpi driver keymaps, and also that you will be - * listening to any bug reports; - * - * 3. Do not send thinkpad-acpi specific patches directly to - * for merging, *ever*. Send them to the linux-acpi - * mailinglist for comments. Merging is to be done only - * through acpi-test and the ACPI maintainer. - * - * If the above is too much to ask, don't change the keymap. - * Ask the thinkpad-acpi maintainer to do it, instead. - */ - static u16 ibm_keycode_map[] __initdata = { - /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ - KEY_FN_F1, KEY_FN_F2, KEY_COFFEE, KEY_SLEEP, - KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8, - KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND, - - /* Scan codes 0x0C to 0x1F: Other ACPI HKEY hot keys */ - KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ - KEY_UNKNOWN, /* 0x0D: FN+INSERT */ - KEY_UNKNOWN, /* 0x0E: FN+DELETE */ - - /* brightness: firmware always reacts to them, unless - * X.org did some tricks in the radeon BIOS scratch - * registers of *some* models */ - KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */ - KEY_RESERVED, /* 0x10: FN+END (brightness down) */ - - /* Thinklight: firmware always react to it */ - KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ - - KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ - KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ - - /* Volume: firmware always react to it and reprograms - * the built-in *extra* mixer. Never map it to control - * another mixer by default. */ - KEY_RESERVED, /* 0x14: VOLUME UP */ - KEY_RESERVED, /* 0x15: VOLUME DOWN */ - KEY_RESERVED, /* 0x16: MUTE */ - - KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ - - /* (assignments unknown, please report if found) */ - KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, - KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, - }; - static u16 lenovo_keycode_map[] __initdata = { - /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ - KEY_FN_F1, KEY_COFFEE, KEY_BATTERY, KEY_SLEEP, - KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8, - KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND, - - /* Scan codes 0x0C to 0x1F: Other ACPI HKEY hot keys */ - KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ - KEY_UNKNOWN, /* 0x0D: FN+INSERT */ - KEY_UNKNOWN, /* 0x0E: FN+DELETE */ - - /* These either have to go through ACPI video, or - * act like in the IBM ThinkPads, so don't ever - * enable them by default */ - KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */ - KEY_RESERVED, /* 0x10: FN+END (brightness down) */ - - KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ - - KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ - KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ - - /* Volume: z60/z61, T60 (BIOS version?): firmware always - * react to it and reprograms the built-in *extra* mixer. - * Never map it to control another mixer by default. - * - * T60?, T61, R60?, R61: firmware and EC tries to send - * these over the regular keyboard, so these are no-ops, - * but there are still weird bugs re. MUTE, so do not - * change unless you get test reports from all Lenovo - * models. May cause the BIOS to interfere with the - * HDA mixer. - */ - KEY_RESERVED, /* 0x14: VOLUME UP */ - KEY_RESERVED, /* 0x15: VOLUME DOWN */ - KEY_RESERVED, /* 0x16: MUTE */ - - KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ - - /* (assignments unknown, please report if found) */ - KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, - KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, - }; - -#define TPACPI_HOTKEY_MAP_LEN ARRAY_SIZE(ibm_keycode_map) -#define TPACPI_HOTKEY_MAP_SIZE sizeof(ibm_keycode_map) -#define TPACPI_HOTKEY_MAP_TYPESIZE sizeof(ibm_keycode_map[0]) - - int res, i; - int status; - int hkeyv; - - vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n"); - - BUG_ON(!tpacpi_inputdev); - BUG_ON(tpacpi_inputdev->open != NULL || - tpacpi_inputdev->close != NULL); - - TPACPI_ACPIHANDLE_INIT(hkey); - mutex_init(&hotkey_mutex); - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - mutex_init(&hotkey_thread_mutex); - mutex_init(&hotkey_thread_data_mutex); -#endif - - /* hotkey not supported on 570 */ - tp_features.hotkey = hkey_handle != NULL; - - vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n", - str_supported(tp_features.hotkey)); - - if (!tp_features.hotkey) - return 1; - - tpacpi_disable_brightness_delay(); - - hotkey_dev_attributes = create_attr_set(13, NULL); - if (!hotkey_dev_attributes) - return -ENOMEM; - res = add_many_to_attr_set(hotkey_dev_attributes, - hotkey_attributes, - ARRAY_SIZE(hotkey_attributes)); - if (res) - goto err_exit; - - /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking - for HKEY interface version 0x100 */ - if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) { - if ((hkeyv >> 8) != 1) { - printk(TPACPI_ERR "unknown version of the " - "HKEY interface: 0x%x\n", hkeyv); - printk(TPACPI_ERR "please report this to %s\n", - TPACPI_MAIL); - } else { - /* - * MHKV 0x100 in A31, R40, R40e, - * T4x, X31, and later - */ - tp_features.hotkey_mask = 1; - } - } - - vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", - str_supported(tp_features.hotkey_mask)); - - if (tp_features.hotkey_mask) { - if (!acpi_evalf(hkey_handle, &hotkey_all_mask, - "MHKA", "qd")) { - printk(TPACPI_ERR - "missing MHKA handler, " - "please report this to %s\n", - TPACPI_MAIL); - /* FN+F12, FN+F4, FN+F3 */ - hotkey_all_mask = 0x080cU; - } - } - - /* hotkey_source_mask *must* be zero for - * the first hotkey_mask_get */ - res = hotkey_status_get(&hotkey_orig_status); - if (res) - goto err_exit; - - if (tp_features.hotkey_mask) { - res = hotkey_mask_get(); - if (res) - goto err_exit; - - hotkey_orig_mask = hotkey_mask; - res = add_many_to_attr_set( - hotkey_dev_attributes, - hotkey_mask_attributes, - ARRAY_SIZE(hotkey_mask_attributes)); - if (res) - goto err_exit; - } - -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - if (tp_features.hotkey_mask) { - hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK - & ~hotkey_all_mask; - } else { - hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK; - } - - vdbg_printk(TPACPI_DBG_INIT, - "hotkey source mask 0x%08x, polling freq %d\n", - hotkey_source_mask, hotkey_poll_freq); -#endif - - /* Not all thinkpads have a hardware radio switch */ - if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) { - tp_features.hotkey_wlsw = 1; - printk(TPACPI_INFO - "radio switch found; radios are %s\n", - enabled(status, 0)); - } - if (tp_features.hotkey_wlsw) - res = add_to_attr_set(hotkey_dev_attributes, - &dev_attr_hotkey_radio_sw.attr); - - /* For X41t, X60t, X61t Tablets... */ - if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) { - tp_features.hotkey_tablet = 1; - printk(TPACPI_INFO - "possible tablet mode switch found; " - "ThinkPad in %s mode\n", - (status & TP_HOTKEY_TABLET_MASK)? - "tablet" : "laptop"); - res = add_to_attr_set(hotkey_dev_attributes, - &dev_attr_hotkey_tablet_mode.attr); - } - - if (!res) - res = register_attr_set_with_sysfs( - hotkey_dev_attributes, - &tpacpi_pdev->dev.kobj); - if (res) - goto err_exit; - - /* Set up key map */ - - hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE, - GFP_KERNEL); - if (!hotkey_keycode_map) { - printk(TPACPI_ERR - "failed to allocate memory for key map\n"); - res = -ENOMEM; - goto err_exit; - } - - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { - dbg_printk(TPACPI_DBG_INIT, - "using Lenovo default hot key map\n"); - memcpy(hotkey_keycode_map, &lenovo_keycode_map, - TPACPI_HOTKEY_MAP_SIZE); - } else { - dbg_printk(TPACPI_DBG_INIT, - "using IBM default hot key map\n"); - memcpy(hotkey_keycode_map, &ibm_keycode_map, - TPACPI_HOTKEY_MAP_SIZE); - } - - set_bit(EV_KEY, tpacpi_inputdev->evbit); - set_bit(EV_MSC, tpacpi_inputdev->evbit); - set_bit(MSC_SCAN, tpacpi_inputdev->mscbit); - tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE; - tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN; - tpacpi_inputdev->keycode = hotkey_keycode_map; - for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) { - if (hotkey_keycode_map[i] != KEY_RESERVED) { - set_bit(hotkey_keycode_map[i], - tpacpi_inputdev->keybit); - } else { - if (i < sizeof(hotkey_reserved_mask)*8) - hotkey_reserved_mask |= 1 << i; - } - } - - if (tp_features.hotkey_wlsw) { - set_bit(EV_SW, tpacpi_inputdev->evbit); - set_bit(SW_RFKILL_ALL, tpacpi_inputdev->swbit); - } - if (tp_features.hotkey_tablet) { - set_bit(EV_SW, tpacpi_inputdev->evbit); - set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit); - } - - /* Do not issue duplicate brightness change events to - * userspace */ - if (!tp_features.bright_acpimode) - /* update bright_acpimode... */ - tpacpi_check_std_acpi_brightness_support(); - - if (tp_features.bright_acpimode) { - printk(TPACPI_INFO - "This ThinkPad has standard ACPI backlight " - "brightness control, supported by the ACPI " - "video driver\n"); - printk(TPACPI_NOTICE - "Disabling thinkpad-acpi brightness events " - "by default...\n"); - - /* The hotkey_reserved_mask change below is not - * necessary while the keys are at KEY_RESERVED in the - * default map, but better safe than sorry, leave it - * here as a marker of what we have to do, especially - * when we finally become able to set this at runtime - * on response to X.org requests */ - hotkey_reserved_mask |= - (1 << TP_ACPI_HOTKEYSCAN_FNHOME) - | (1 << TP_ACPI_HOTKEYSCAN_FNEND); - } - - dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n"); - res = hotkey_status_set(1); - if (res) { - hotkey_exit(); - return res; - } - res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask) - & ~hotkey_reserved_mask) - | hotkey_orig_mask); - if (res < 0 && res != -ENXIO) { - hotkey_exit(); - return res; - } - - dbg_printk(TPACPI_DBG_INIT, - "legacy hot key reporting over procfs %s\n", - (hotkey_report_mode < 2) ? - "enabled" : "disabled"); - - tpacpi_inputdev->open = &hotkey_inputdev_open; - tpacpi_inputdev->close = &hotkey_inputdev_close; - - hotkey_poll_setup_safe(1); - tpacpi_send_radiosw_update(); - tpacpi_input_send_tabletsw(); - - return 0; - -err_exit: - delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); - hotkey_dev_attributes = NULL; - - return (res < 0)? res : 1; -} - -static void hotkey_notify(struct ibm_struct *ibm, u32 event) -{ - u32 hkey; - unsigned int scancode; - int send_acpi_ev; - int ignore_acpi_ev; - int unk_ev; - - if (event != 0x80) { - printk(TPACPI_ERR - "unknown HKEY notification event %d\n", event); - /* forward it to userspace, maybe it knows how to handle it */ - acpi_bus_generate_netlink_event( - ibm->acpi->device->pnp.device_class, - ibm->acpi->device->dev.bus_id, - event, 0); - return; - } - - while (1) { - if (!acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) { - printk(TPACPI_ERR "failed to retrieve HKEY event\n"); - return; - } - - if (hkey == 0) { - /* queue empty */ - return; - } - - send_acpi_ev = 1; - ignore_acpi_ev = 0; - unk_ev = 0; - - switch (hkey >> 12) { - case 1: - /* 0x1000-0x1FFF: key presses */ - scancode = hkey & 0xfff; - if (scancode > 0 && scancode < 0x21) { - scancode--; - if (!(hotkey_source_mask & (1 << scancode))) { - tpacpi_input_send_key(scancode); - send_acpi_ev = 0; - } else { - ignore_acpi_ev = 1; - } - } else { - unk_ev = 1; - } - break; - case 2: - /* Wakeup reason */ - switch (hkey) { - case 0x2304: /* suspend, undock */ - case 0x2404: /* hibernation, undock */ - hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK; - ignore_acpi_ev = 1; - break; - case 0x2305: /* suspend, bay eject */ - case 0x2405: /* hibernation, bay eject */ - hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ; - ignore_acpi_ev = 1; - break; - default: - unk_ev = 1; - } - if (hotkey_wakeup_reason != TP_ACPI_WAKEUP_NONE) { - printk(TPACPI_INFO - "woke up due to a hot-unplug " - "request...\n"); - hotkey_wakeup_reason_notify_change(); - } - break; - case 3: - /* bay-related wakeups */ - if (hkey == 0x3003) { - hotkey_autosleep_ack = 1; - printk(TPACPI_INFO - "bay ejected\n"); - hotkey_wakeup_hotunplug_complete_notify_change(); - } else { - unk_ev = 1; - } - break; - case 4: - /* dock-related wakeups */ - if (hkey == 0x4003) { - hotkey_autosleep_ack = 1; - printk(TPACPI_INFO - "undocked\n"); - hotkey_wakeup_hotunplug_complete_notify_change(); - } else { - unk_ev = 1; - } - break; - case 5: - /* 0x5000-0x5FFF: human interface helpers */ - switch (hkey) { - case 0x5010: /* Lenovo new BIOS: brightness changed */ - case 0x500b: /* X61t: tablet pen inserted into bay */ - case 0x500c: /* X61t: tablet pen removed from bay */ - break; - case 0x5009: /* X41t-X61t: swivel up (tablet mode) */ - case 0x500a: /* X41t-X61t: swivel down (normal mode) */ - tpacpi_input_send_tabletsw(); - hotkey_tablet_mode_notify_change(); - send_acpi_ev = 0; - break; - case 0x5001: - case 0x5002: - /* LID switch events. Do not propagate */ - ignore_acpi_ev = 1; - break; - default: - unk_ev = 1; - } - break; - case 7: - /* 0x7000-0x7FFF: misc */ - if (tp_features.hotkey_wlsw && hkey == 0x7000) { - tpacpi_send_radiosw_update(); - send_acpi_ev = 0; - break; - } - /* fallthrough to default */ - default: - unk_ev = 1; - } - if (unk_ev) { - printk(TPACPI_NOTICE - "unhandled HKEY event 0x%04x\n", hkey); - } - - /* Legacy events */ - if (!ignore_acpi_ev && - (send_acpi_ev || hotkey_report_mode < 2)) { - acpi_bus_generate_proc_event(ibm->acpi->device, - event, hkey); - } - - /* netlink events */ - if (!ignore_acpi_ev && send_acpi_ev) { - acpi_bus_generate_netlink_event( - ibm->acpi->device->pnp.device_class, - ibm->acpi->device->dev.bus_id, - event, hkey); - } - } -} - -static void hotkey_suspend(pm_message_t state) -{ - /* Do these on suspend, we get the events on early resume! */ - hotkey_wakeup_reason = TP_ACPI_WAKEUP_NONE; - hotkey_autosleep_ack = 0; -} - -static void hotkey_resume(void) -{ - tpacpi_disable_brightness_delay(); - - if (hotkey_mask_get()) - printk(TPACPI_ERR - "error while trying to read hot key mask " - "from firmware\n"); - tpacpi_send_radiosw_update(); - hotkey_tablet_mode_notify_change(); - hotkey_wakeup_reason_notify_change(); - hotkey_wakeup_hotunplug_complete_notify_change(); - hotkey_poll_setup_safe(0); -} - -/* procfs -------------------------------------------------------------- */ -static int hotkey_read(char *p) -{ - int res, status; - int len = 0; - - if (!tp_features.hotkey) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - return len; - } - - if (mutex_lock_interruptible(&hotkey_mutex)) - return -ERESTARTSYS; - res = hotkey_status_get(&status); - if (!res) - res = hotkey_mask_get(); - mutex_unlock(&hotkey_mutex); - if (res) - return res; - - len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); - if (tp_features.hotkey_mask) { - len += sprintf(p + len, "mask:\t\t0x%08x\n", hotkey_mask); - len += sprintf(p + len, - "commands:\tenable, disable, reset, <mask>\n"); - } else { - len += sprintf(p + len, "mask:\t\tnot supported\n"); - len += sprintf(p + len, "commands:\tenable, disable, reset\n"); - } - - return len; -} - -static int hotkey_write(char *buf) -{ - int res, status; - u32 mask; - char *cmd; - - if (!tp_features.hotkey) - return -ENODEV; - - if (mutex_lock_interruptible(&hotkey_mutex)) - return -ERESTARTSYS; - - status = -1; - mask = hotkey_mask; - - res = 0; - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "enable") == 0) { - status = 1; - } else if (strlencmp(cmd, "disable") == 0) { - status = 0; - } else if (strlencmp(cmd, "reset") == 0) { - status = hotkey_orig_status; - mask = hotkey_orig_mask; - } else if (sscanf(cmd, "0x%x", &mask) == 1) { - /* mask set */ - } else if (sscanf(cmd, "%x", &mask) == 1) { - /* mask set */ - } else { - res = -EINVAL; - goto errexit; - } - } - if (status != -1) - res = hotkey_status_set(status); - - if (!res && mask != hotkey_mask) - res = hotkey_mask_set(mask); - -errexit: - mutex_unlock(&hotkey_mutex); - return res; -} - -static const struct acpi_device_id ibm_htk_device_ids[] = { - {TPACPI_ACPI_HKEY_HID, 0}, - {"", 0}, -}; - -static struct tp_acpi_drv_struct ibm_hotkey_acpidriver = { - .hid = ibm_htk_device_ids, - .notify = hotkey_notify, - .handle = &hkey_handle, - .type = ACPI_DEVICE_NOTIFY, -}; - -static struct ibm_struct hotkey_driver_data = { - .name = "hotkey", - .read = hotkey_read, - .write = hotkey_write, - .exit = hotkey_exit, - .resume = hotkey_resume, - .suspend = hotkey_suspend, - .acpi = &ibm_hotkey_acpidriver, -}; - -/************************************************************************* - * Bluetooth subdriver - */ - -enum { - /* ACPI GBDC/SBDC bits */ - TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */ - TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */ - TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */ -}; - -static struct rfkill *tpacpi_bluetooth_rfkill; - -static int bluetooth_get_radiosw(void) -{ - int status; - - if (!tp_features.bluetooth) - return -ENODEV; - - /* WLSW overrides bluetooth in firmware/hardware, reflect that */ - if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status) - return RFKILL_STATE_HARD_BLOCKED; - - if (!acpi_evalf(hkey_handle, &status, "GBDC", "d")) - return -EIO; - - return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0) ? - RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED; -} - -static void bluetooth_update_rfk(void) -{ - int status; - - if (!tpacpi_bluetooth_rfkill) - return; - - status = bluetooth_get_radiosw(); - if (status < 0) - return; - rfkill_force_state(tpacpi_bluetooth_rfkill, status); -} - -static int bluetooth_set_radiosw(int radio_on, int update_rfk) -{ - int status; - - if (!tp_features.bluetooth) - return -ENODEV; - - /* WLSW overrides bluetooth in firmware/hardware, but there is no - * reason to risk weird behaviour. */ - if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status - && radio_on) - return -EPERM; - - if (!acpi_evalf(hkey_handle, &status, "GBDC", "d")) - return -EIO; - if (radio_on) - status |= TP_ACPI_BLUETOOTH_RADIOSSW; - else - status &= ~TP_ACPI_BLUETOOTH_RADIOSSW; - if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status)) - return -EIO; - - if (update_rfk) - bluetooth_update_rfk(); - - return 0; -} - -/* sysfs bluetooth enable ---------------------------------------------- */ -static ssize_t bluetooth_enable_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int status; - - status = bluetooth_get_radiosw(); - if (status < 0) - return status; - - return snprintf(buf, PAGE_SIZE, "%d\n", - (status == RFKILL_STATE_UNBLOCKED) ? 1 : 0); -} - -static ssize_t bluetooth_enable_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - int res; - - if (parse_strtoul(buf, 1, &t)) - return -EINVAL; - - res = bluetooth_set_radiosw(t, 1); - - return (res) ? res : count; -} - -static struct device_attribute dev_attr_bluetooth_enable = - __ATTR(bluetooth_enable, S_IWUSR | S_IRUGO, - bluetooth_enable_show, bluetooth_enable_store); - -/* --------------------------------------------------------------------- */ - -static struct attribute *bluetooth_attributes[] = { - &dev_attr_bluetooth_enable.attr, - NULL -}; - -static const struct attribute_group bluetooth_attr_group = { - .attrs = bluetooth_attributes, -}; - -static int tpacpi_bluetooth_rfk_get(void *data, enum rfkill_state *state) -{ - int bts = bluetooth_get_radiosw(); - - if (bts < 0) - return bts; - - *state = bts; - return 0; -} - -static int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state) -{ - return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0); -} - -static void bluetooth_exit(void) -{ - if (tpacpi_bluetooth_rfkill) - rfkill_unregister(tpacpi_bluetooth_rfkill); - - sysfs_remove_group(&tpacpi_pdev->dev.kobj, - &bluetooth_attr_group); -} - -static int __init bluetooth_init(struct ibm_init_struct *iibm) -{ - int res; - int status = 0; - - vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(hkey); - - /* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - G4x, R30, R31, R40e, R50e, T20-22, X20-21 */ - tp_features.bluetooth = hkey_handle && - acpi_evalf(hkey_handle, &status, "GBDC", "qd"); - - vdbg_printk(TPACPI_DBG_INIT, "bluetooth is %s, status 0x%02x\n", - str_supported(tp_features.bluetooth), - status); - - if (tp_features.bluetooth && - !(status & TP_ACPI_BLUETOOTH_HWPRESENT)) { - /* no bluetooth hardware present in system */ - tp_features.bluetooth = 0; - dbg_printk(TPACPI_DBG_INIT, - "bluetooth hardware not installed\n"); - } - - if (!tp_features.bluetooth) - return 1; - - res = sysfs_create_group(&tpacpi_pdev->dev.kobj, - &bluetooth_attr_group); - if (res) - return res; - - res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID, - &tpacpi_bluetooth_rfkill, - RFKILL_TYPE_BLUETOOTH, - "tpacpi_bluetooth_sw", - tpacpi_bluetooth_rfk_set, - tpacpi_bluetooth_rfk_get); - if (res) { - bluetooth_exit(); - return res; - } - - return 0; -} - -/* procfs -------------------------------------------------------------- */ -static int bluetooth_read(char *p) -{ - int len = 0; - int status = bluetooth_get_radiosw(); - - if (!tp_features.bluetooth) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else { - len += sprintf(p + len, "status:\t\t%s\n", - (status == RFKILL_STATE_UNBLOCKED) ? - "enabled" : "disabled"); - len += sprintf(p + len, "commands:\tenable, disable\n"); - } - - return len; -} - -static int bluetooth_write(char *buf) -{ - char *cmd; - - if (!tp_features.bluetooth) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "enable") == 0) { - bluetooth_set_radiosw(1, 1); - } else if (strlencmp(cmd, "disable") == 0) { - bluetooth_set_radiosw(0, 1); - } else - return -EINVAL; - } - - return 0; -} - -static struct ibm_struct bluetooth_driver_data = { - .name = "bluetooth", - .read = bluetooth_read, - .write = bluetooth_write, - .exit = bluetooth_exit, -}; - -/************************************************************************* - * Wan subdriver - */ - -enum { - /* ACPI GWAN/SWAN bits */ - TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */ - TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */ - TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */ -}; - -static struct rfkill *tpacpi_wan_rfkill; - -static int wan_get_radiosw(void) -{ - int status; - - if (!tp_features.wan) - return -ENODEV; - - /* WLSW overrides WWAN in firmware/hardware, reflect that */ - if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status) - return RFKILL_STATE_HARD_BLOCKED; - - if (!acpi_evalf(hkey_handle, &status, "GWAN", "d")) - return -EIO; - - return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0) ? - RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED; -} - -static void wan_update_rfk(void) -{ - int status; - - if (!tpacpi_wan_rfkill) - return; - - status = wan_get_radiosw(); - if (status < 0) - return; - rfkill_force_state(tpacpi_wan_rfkill, status); -} - -static int wan_set_radiosw(int radio_on, int update_rfk) -{ - int status; - - if (!tp_features.wan) - return -ENODEV; - - /* WLSW overrides bluetooth in firmware/hardware, but there is no - * reason to risk weird behaviour. */ - if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status - && radio_on) - return -EPERM; - - if (!acpi_evalf(hkey_handle, &status, "GWAN", "d")) - return -EIO; - if (radio_on) - status |= TP_ACPI_WANCARD_RADIOSSW; - else - status &= ~TP_ACPI_WANCARD_RADIOSSW; - if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status)) - return -EIO; - - if (update_rfk) - wan_update_rfk(); - - return 0; -} - -/* sysfs wan enable ---------------------------------------------------- */ -static ssize_t wan_enable_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int status; - - status = wan_get_radiosw(); - if (status < 0) - return status; - - return snprintf(buf, PAGE_SIZE, "%d\n", - (status == RFKILL_STATE_UNBLOCKED) ? 1 : 0); -} - -static ssize_t wan_enable_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - int res; - - if (parse_strtoul(buf, 1, &t)) - return -EINVAL; - - res = wan_set_radiosw(t, 1); - - return (res) ? res : count; -} - -static struct device_attribute dev_attr_wan_enable = - __ATTR(wwan_enable, S_IWUSR | S_IRUGO, - wan_enable_show, wan_enable_store); - -/* --------------------------------------------------------------------- */ - -static struct attribute *wan_attributes[] = { - &dev_attr_wan_enable.attr, - NULL -}; - -static const struct attribute_group wan_attr_group = { - .attrs = wan_attributes, -}; - -static int tpacpi_wan_rfk_get(void *data, enum rfkill_state *state) -{ - int wans = wan_get_radiosw(); - - if (wans < 0) - return wans; - - *state = wans; - return 0; -} - -static int tpacpi_wan_rfk_set(void *data, enum rfkill_state state) -{ - return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0); -} - -static void wan_exit(void) -{ - if (tpacpi_wan_rfkill) - rfkill_unregister(tpacpi_wan_rfkill); - - sysfs_remove_group(&tpacpi_pdev->dev.kobj, - &wan_attr_group); -} - -static int __init wan_init(struct ibm_init_struct *iibm) -{ - int res; - int status = 0; - - vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(hkey); - - tp_features.wan = hkey_handle && - acpi_evalf(hkey_handle, &status, "GWAN", "qd"); - - vdbg_printk(TPACPI_DBG_INIT, "wan is %s, status 0x%02x\n", - str_supported(tp_features.wan), - status); - - if (tp_features.wan && - !(status & TP_ACPI_WANCARD_HWPRESENT)) { - /* no wan hardware present in system */ - tp_features.wan = 0; - dbg_printk(TPACPI_DBG_INIT, - "wan hardware not installed\n"); - } - - if (!tp_features.wan) - return 1; - - res = sysfs_create_group(&tpacpi_pdev->dev.kobj, - &wan_attr_group); - if (res) - return res; - - res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID, - &tpacpi_wan_rfkill, - RFKILL_TYPE_WWAN, - "tpacpi_wwan_sw", - tpacpi_wan_rfk_set, - tpacpi_wan_rfk_get); - if (res) { - wan_exit(); - return res; - } - - return 0; -} - -/* procfs -------------------------------------------------------------- */ -static int wan_read(char *p) -{ - int len = 0; - int status = wan_get_radiosw(); - - if (!tp_features.wan) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else { - len += sprintf(p + len, "status:\t\t%s\n", - (status == RFKILL_STATE_UNBLOCKED) ? - "enabled" : "disabled"); - len += sprintf(p + len, "commands:\tenable, disable\n"); - } - - return len; -} - -static int wan_write(char *buf) -{ - char *cmd; - - if (!tp_features.wan) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "enable") == 0) { - wan_set_radiosw(1, 1); - } else if (strlencmp(cmd, "disable") == 0) { - wan_set_radiosw(0, 1); - } else - return -EINVAL; - } - - return 0; -} - -static struct ibm_struct wan_driver_data = { - .name = "wan", - .read = wan_read, - .write = wan_write, - .exit = wan_exit, -}; - -/************************************************************************* - * Video subdriver - */ - -#ifdef CONFIG_THINKPAD_ACPI_VIDEO - -enum video_access_mode { - TPACPI_VIDEO_NONE = 0, - TPACPI_VIDEO_570, /* 570 */ - TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */ - TPACPI_VIDEO_NEW, /* all others */ -}; - -enum { /* video status flags, based on VIDEO_570 */ - TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */ - TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */ - TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */ -}; - -enum { /* TPACPI_VIDEO_570 constants */ - TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */ - TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to - * video_status_flags */ - TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */ - TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */ -}; - -static enum video_access_mode video_supported; -static int video_orig_autosw; - -static int video_autosw_get(void); -static int video_autosw_set(int enable); - -TPACPI_HANDLE(vid2, root, "\\_SB.PCI0.AGPB.VID"); /* G41 */ - -static int __init video_init(struct ibm_init_struct *iibm) -{ - int ivga; - - vdbg_printk(TPACPI_DBG_INIT, "initializing video subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(vid); - TPACPI_ACPIHANDLE_INIT(vid2); - - if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga) - /* G41, assume IVGA doesn't change */ - vid_handle = vid2_handle; - - if (!vid_handle) - /* video switching not supported on R30, R31 */ - video_supported = TPACPI_VIDEO_NONE; - else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd")) - /* 570 */ - video_supported = TPACPI_VIDEO_570; - else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd")) - /* 600e/x, 770e, 770x */ - video_supported = TPACPI_VIDEO_770; - else - /* all others */ - video_supported = TPACPI_VIDEO_NEW; - - vdbg_printk(TPACPI_DBG_INIT, "video is %s, mode %d\n", - str_supported(video_supported != TPACPI_VIDEO_NONE), - video_supported); - - return (video_supported != TPACPI_VIDEO_NONE)? 0 : 1; -} - -static void video_exit(void) -{ - dbg_printk(TPACPI_DBG_EXIT, - "restoring original video autoswitch mode\n"); - if (video_autosw_set(video_orig_autosw)) - printk(TPACPI_ERR "error while trying to restore original " - "video autoswitch mode\n"); -} - -static int video_outputsw_get(void) -{ - int status = 0; - int i; - - switch (video_supported) { - case TPACPI_VIDEO_570: - if (!acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", - TP_ACPI_VIDEO_570_PHSCMD)) - return -EIO; - status = i & TP_ACPI_VIDEO_570_PHSMASK; - break; - case TPACPI_VIDEO_770: - if (!acpi_evalf(NULL, &i, "\\VCDL", "d")) - return -EIO; - if (i) - status |= TP_ACPI_VIDEO_S_LCD; - if (!acpi_evalf(NULL, &i, "\\VCDC", "d")) - return -EIO; - if (i) - status |= TP_ACPI_VIDEO_S_CRT; - break; - case TPACPI_VIDEO_NEW: - if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1) || - !acpi_evalf(NULL, &i, "\\VCDC", "d")) - return -EIO; - if (i) - status |= TP_ACPI_VIDEO_S_CRT; - - if (!acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0) || - !acpi_evalf(NULL, &i, "\\VCDL", "d")) - return -EIO; - if (i) - status |= TP_ACPI_VIDEO_S_LCD; - if (!acpi_evalf(NULL, &i, "\\VCDD", "d")) - return -EIO; - if (i) - status |= TP_ACPI_VIDEO_S_DVI; - break; - default: - return -ENOSYS; - } - - return status; -} - -static int video_outputsw_set(int status) -{ - int autosw; - int res = 0; - - switch (video_supported) { - case TPACPI_VIDEO_570: - res = acpi_evalf(NULL, NULL, - "\\_SB.PHS2", "vdd", - TP_ACPI_VIDEO_570_PHS2CMD, - status | TP_ACPI_VIDEO_570_PHS2SET); - break; - case TPACPI_VIDEO_770: - autosw = video_autosw_get(); - if (autosw < 0) - return autosw; - - res = video_autosw_set(1); - if (res) - return res; - res = acpi_evalf(vid_handle, NULL, - "ASWT", "vdd", status * 0x100, 0); - if (!autosw && video_autosw_set(autosw)) { - printk(TPACPI_ERR - "video auto-switch left enabled due to error\n"); - return -EIO; - } - break; - case TPACPI_VIDEO_NEW: - res = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) && - acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1); - break; - default: - return -ENOSYS; - } - - return (res)? 0 : -EIO; -} - -static int video_autosw_get(void) -{ - int autosw = 0; - - switch (video_supported) { - case TPACPI_VIDEO_570: - if (!acpi_evalf(vid_handle, &autosw, "SWIT", "d")) - return -EIO; - break; - case TPACPI_VIDEO_770: - case TPACPI_VIDEO_NEW: - if (!acpi_evalf(vid_handle, &autosw, "^VDEE", "d")) - return -EIO; - break; - default: - return -ENOSYS; - } - - return autosw & 1; -} - -static int video_autosw_set(int enable) -{ - if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", (enable)? 1 : 0)) - return -EIO; - return 0; -} - -static int video_outputsw_cycle(void) -{ - int autosw = video_autosw_get(); - int res; - - if (autosw < 0) - return autosw; - - switch (video_supported) { - case TPACPI_VIDEO_570: - res = video_autosw_set(1); - if (res) - return res; - res = acpi_evalf(ec_handle, NULL, "_Q16", "v"); - break; - case TPACPI_VIDEO_770: - case TPACPI_VIDEO_NEW: - res = video_autosw_set(1); - if (res) - return res; - res = acpi_evalf(vid_handle, NULL, "VSWT", "v"); - break; - default: - return -ENOSYS; - } - if (!autosw && video_autosw_set(autosw)) { - printk(TPACPI_ERR - "video auto-switch left enabled due to error\n"); - return -EIO; - } - - return (res)? 0 : -EIO; -} - -static int video_expand_toggle(void) -{ - switch (video_supported) { - case TPACPI_VIDEO_570: - return acpi_evalf(ec_handle, NULL, "_Q17", "v")? - 0 : -EIO; - case TPACPI_VIDEO_770: - return acpi_evalf(vid_handle, NULL, "VEXP", "v")? - 0 : -EIO; - case TPACPI_VIDEO_NEW: - return acpi_evalf(NULL, NULL, "\\VEXP", "v")? - 0 : -EIO; - default: - return -ENOSYS; - } - /* not reached */ -} - -static int video_read(char *p) -{ - int status, autosw; - int len = 0; - - if (video_supported == TPACPI_VIDEO_NONE) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - return len; - } - - status = video_outputsw_get(); - if (status < 0) - return status; - - autosw = video_autosw_get(); - if (autosw < 0) - return autosw; - - len += sprintf(p + len, "status:\t\tsupported\n"); - len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0)); - len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1)); - if (video_supported == TPACPI_VIDEO_NEW) - len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3)); - len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0)); - len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n"); - len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n"); - if (video_supported == TPACPI_VIDEO_NEW) - len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n"); - len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n"); - len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n"); - - return len; -} - -static int video_write(char *buf) -{ - char *cmd; - int enable, disable, status; - int res; - - if (video_supported == TPACPI_VIDEO_NONE) - return -ENODEV; - - enable = 0; - disable = 0; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "lcd_enable") == 0) { - enable |= TP_ACPI_VIDEO_S_LCD; - } else if (strlencmp(cmd, "lcd_disable") == 0) { - disable |= TP_ACPI_VIDEO_S_LCD; - } else if (strlencmp(cmd, "crt_enable") == 0) { - enable |= TP_ACPI_VIDEO_S_CRT; - } else if (strlencmp(cmd, "crt_disable") == 0) { - disable |= TP_ACPI_VIDEO_S_CRT; - } else if (video_supported == TPACPI_VIDEO_NEW && - strlencmp(cmd, "dvi_enable") == 0) { - enable |= TP_ACPI_VIDEO_S_DVI; - } else if (video_supported == TPACPI_VIDEO_NEW && - strlencmp(cmd, "dvi_disable") == 0) { - disable |= TP_ACPI_VIDEO_S_DVI; - } else if (strlencmp(cmd, "auto_enable") == 0) { - res = video_autosw_set(1); - if (res) - return res; - } else if (strlencmp(cmd, "auto_disable") == 0) { - res = video_autosw_set(0); - if (res) - return res; - } else if (strlencmp(cmd, "video_switch") == 0) { - res = video_outputsw_cycle(); - if (res) - return res; - } else if (strlencmp(cmd, "expand_toggle") == 0) { - res = video_expand_toggle(); - if (res) - return res; - } else - return -EINVAL; - } - - if (enable || disable) { - status = video_outputsw_get(); - if (status < 0) - return status; - res = video_outputsw_set((status & ~disable) | enable); - if (res) - return res; - } - - return 0; -} - -static struct ibm_struct video_driver_data = { - .name = "video", - .read = video_read, - .write = video_write, - .exit = video_exit, -}; - -#endif /* CONFIG_THINKPAD_ACPI_VIDEO */ - -/************************************************************************* - * Light (thinklight) subdriver - */ - -TPACPI_HANDLE(lght, root, "\\LGHT"); /* A21e, A2xm/p, T20-22, X20-21 */ -TPACPI_HANDLE(ledb, ec, "LEDB"); /* G4x */ - -static int light_get_status(void) -{ - int status = 0; - - if (tp_features.light_status) { - if (!acpi_evalf(ec_handle, &status, "KBLT", "d")) - return -EIO; - return (!!status); - } - - return -ENXIO; -} - -static int light_set_status(int status) -{ - int rc; - - if (tp_features.light) { - if (cmos_handle) { - rc = acpi_evalf(cmos_handle, NULL, NULL, "vd", - (status)? - TP_CMOS_THINKLIGHT_ON : - TP_CMOS_THINKLIGHT_OFF); - } else { - rc = acpi_evalf(lght_handle, NULL, NULL, "vd", - (status)? 1 : 0); - } - return (rc)? 0 : -EIO; - } - - return -ENXIO; -} - -static void light_set_status_worker(struct work_struct *work) -{ - struct tpacpi_led_classdev *data = - container_of(work, struct tpacpi_led_classdev, work); - - if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING)) - light_set_status((data->new_brightness != LED_OFF)); -} - -static void light_sysfs_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct tpacpi_led_classdev *data = - container_of(led_cdev, - struct tpacpi_led_classdev, - led_classdev); - data->new_brightness = brightness; - queue_work(tpacpi_wq, &data->work); -} - -static enum led_brightness light_sysfs_get(struct led_classdev *led_cdev) -{ - return (light_get_status() == 1)? LED_FULL : LED_OFF; -} - -static struct tpacpi_led_classdev tpacpi_led_thinklight = { - .led_classdev = { - .name = "tpacpi::thinklight", - .brightness_set = &light_sysfs_set, - .brightness_get = &light_sysfs_get, - } -}; - -static int __init light_init(struct ibm_init_struct *iibm) -{ - int rc; - - vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(ledb); - TPACPI_ACPIHANDLE_INIT(lght); - TPACPI_ACPIHANDLE_INIT(cmos); - INIT_WORK(&tpacpi_led_thinklight.work, light_set_status_worker); - - /* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */ - tp_features.light = (cmos_handle || lght_handle) && !ledb_handle; - - if (tp_features.light) - /* light status not supported on - 570, 600e/x, 770e, 770x, G4x, R30, R31, R32, X20 */ - tp_features.light_status = - acpi_evalf(ec_handle, NULL, "KBLT", "qv"); - - vdbg_printk(TPACPI_DBG_INIT, "light is %s, light status is %s\n", - str_supported(tp_features.light), - str_supported(tp_features.light_status)); - - if (!tp_features.light) - return 1; - - rc = led_classdev_register(&tpacpi_pdev->dev, - &tpacpi_led_thinklight.led_classdev); - - if (rc < 0) { - tp_features.light = 0; - tp_features.light_status = 0; - } else { - rc = 0; - } - - return rc; -} - -static void light_exit(void) -{ - led_classdev_unregister(&tpacpi_led_thinklight.led_classdev); - if (work_pending(&tpacpi_led_thinklight.work)) - flush_workqueue(tpacpi_wq); -} - -static int light_read(char *p) -{ - int len = 0; - int status; - - if (!tp_features.light) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - } else if (!tp_features.light_status) { - len += sprintf(p + len, "status:\t\tunknown\n"); - len += sprintf(p + len, "commands:\ton, off\n"); - } else { - status = light_get_status(); - if (status < 0) - return status; - len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0)); - len += sprintf(p + len, "commands:\ton, off\n"); - } - - return len; -} - -static int light_write(char *buf) -{ - char *cmd; - int newstatus = 0; - - if (!tp_features.light) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "on") == 0) { - newstatus = 1; - } else if (strlencmp(cmd, "off") == 0) { - newstatus = 0; - } else - return -EINVAL; - } - - return light_set_status(newstatus); -} - -static struct ibm_struct light_driver_data = { - .name = "light", - .read = light_read, - .write = light_write, - .exit = light_exit, -}; - -/************************************************************************* - * Dock subdriver - */ - -#ifdef CONFIG_THINKPAD_ACPI_DOCK - -static void dock_notify(struct ibm_struct *ibm, u32 event); -static int dock_read(char *p); -static int dock_write(char *buf); - -TPACPI_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */ - "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */ - "\\_SB.PCI0.PCI1.DOCK", /* all others */ - "\\_SB.PCI.ISA.SLCE", /* 570 */ - ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */ - -/* don't list other alternatives as we install a notify handler on the 570 */ -TPACPI_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */ - -static const struct acpi_device_id ibm_pci_device_ids[] = { - {PCI_ROOT_HID_STRING, 0}, - {"", 0}, -}; - -static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = { - { - .notify = dock_notify, - .handle = &dock_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, - { - /* THIS ONE MUST NEVER BE USED FOR DRIVER AUTOLOADING. - * We just use it to get notifications of dock hotplug - * in very old thinkpads */ - .hid = ibm_pci_device_ids, - .notify = dock_notify, - .handle = &pci_handle, - .type = ACPI_SYSTEM_NOTIFY, - }, -}; - -static struct ibm_struct dock_driver_data[2] = { - { - .name = "dock", - .read = dock_read, - .write = dock_write, - .acpi = &ibm_dock_acpidriver[0], - }, - { - .name = "dock", - .acpi = &ibm_dock_acpidriver[1], - }, -}; - -#define dock_docked() (_sta(dock_handle) & 1) - -static int __init dock_init(struct ibm_init_struct *iibm) -{ - vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(dock); - - vdbg_printk(TPACPI_DBG_INIT, "dock is %s\n", - str_supported(dock_handle != NULL)); - - return (dock_handle)? 0 : 1; -} - -static int __init dock_init2(struct ibm_init_struct *iibm) -{ - int dock2_needed; - - vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver part 2\n"); - - if (dock_driver_data[0].flags.acpi_driver_registered && - dock_driver_data[0].flags.acpi_notify_installed) { - TPACPI_ACPIHANDLE_INIT(pci); - dock2_needed = (pci_handle != NULL); - vdbg_printk(TPACPI_DBG_INIT, - "dock PCI handler for the TP 570 is %s\n", - str_supported(dock2_needed)); - } else { - vdbg_printk(TPACPI_DBG_INIT, - "dock subdriver part 2 not required\n"); - dock2_needed = 0; - } - - return (dock2_needed)? 0 : 1; -} - -static void dock_notify(struct ibm_struct *ibm, u32 event) -{ - int docked = dock_docked(); - int pci = ibm->acpi->hid && ibm->acpi->device && - acpi_match_device_ids(ibm->acpi->device, ibm_pci_device_ids); - int data; - - if (event == 1 && !pci) /* 570 */ - data = 1; /* button */ - else if (event == 1 && pci) /* 570 */ - data = 3; /* dock */ - else if (event == 3 && docked) - data = 1; /* button */ - else if (event == 3 && !docked) - data = 2; /* undock */ - else if (event == 0 && docked) - data = 3; /* dock */ - else { - printk(TPACPI_ERR "unknown dock event %d, status %d\n", - event, _sta(dock_handle)); - data = 0; /* unknown */ - } - acpi_bus_generate_proc_event(ibm->acpi->device, event, data); - acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class, - ibm->acpi->device->dev.bus_id, - event, data); -} - -static int dock_read(char *p) -{ - int len = 0; - int docked = dock_docked(); - - if (!dock_handle) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else if (!docked) - len += sprintf(p + len, "status:\t\tundocked\n"); - else { - len += sprintf(p + len, "status:\t\tdocked\n"); - len += sprintf(p + len, "commands:\tdock, undock\n"); - } - - return len; -} - -static int dock_write(char *buf) -{ - char *cmd; - - if (!dock_docked()) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "undock") == 0) { - if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) || - !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1)) - return -EIO; - } else if (strlencmp(cmd, "dock") == 0) { - if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -#endif /* CONFIG_THINKPAD_ACPI_DOCK */ - -/************************************************************************* - * Bay subdriver - */ - -#ifdef CONFIG_THINKPAD_ACPI_BAY - -TPACPI_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */ - "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */ - "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */ - "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */ - ); /* A21e, R30, R31 */ -TPACPI_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */ - "_EJ0", /* all others */ - ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */ -TPACPI_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */ - "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */ - ); /* all others */ -TPACPI_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */ - "_EJ0", /* 770x */ - ); /* all others */ - -static int __init bay_init(struct ibm_init_struct *iibm) -{ - vdbg_printk(TPACPI_DBG_INIT, "initializing bay subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(bay); - if (bay_handle) - TPACPI_ACPIHANDLE_INIT(bay_ej); - TPACPI_ACPIHANDLE_INIT(bay2); - if (bay2_handle) - TPACPI_ACPIHANDLE_INIT(bay2_ej); - - tp_features.bay_status = bay_handle && - acpi_evalf(bay_handle, NULL, "_STA", "qv"); - tp_features.bay_status2 = bay2_handle && - acpi_evalf(bay2_handle, NULL, "_STA", "qv"); - - tp_features.bay_eject = bay_handle && bay_ej_handle && - (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental); - tp_features.bay_eject2 = bay2_handle && bay2_ej_handle && - (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental); - - vdbg_printk(TPACPI_DBG_INIT, - "bay 1: status %s, eject %s; bay 2: status %s, eject %s\n", - str_supported(tp_features.bay_status), - str_supported(tp_features.bay_eject), - str_supported(tp_features.bay_status2), - str_supported(tp_features.bay_eject2)); - - return (tp_features.bay_status || tp_features.bay_eject || - tp_features.bay_status2 || tp_features.bay_eject2)? 0 : 1; -} - -static void bay_notify(struct ibm_struct *ibm, u32 event) -{ - acpi_bus_generate_proc_event(ibm->acpi->device, event, 0); - acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class, - ibm->acpi->device->dev.bus_id, - event, 0); -} - -#define bay_occupied(b) (_sta(b##_handle) & 1) - -static int bay_read(char *p) -{ - int len = 0; - int occupied = bay_occupied(bay); - int occupied2 = bay_occupied(bay2); - int eject, eject2; - - len += sprintf(p + len, "status:\t\t%s\n", - tp_features.bay_status ? - (occupied ? "occupied" : "unoccupied") : - "not supported"); - if (tp_features.bay_status2) - len += sprintf(p + len, "status2:\t%s\n", occupied2 ? - "occupied" : "unoccupied"); - - eject = tp_features.bay_eject && occupied; - eject2 = tp_features.bay_eject2 && occupied2; - - if (eject && eject2) - len += sprintf(p + len, "commands:\teject, eject2\n"); - else if (eject) - len += sprintf(p + len, "commands:\teject\n"); - else if (eject2) - len += sprintf(p + len, "commands:\teject2\n"); - - return len; -} - -static int bay_write(char *buf) -{ - char *cmd; - - if (!tp_features.bay_eject && !tp_features.bay_eject2) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (tp_features.bay_eject && strlencmp(cmd, "eject") == 0) { - if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1)) - return -EIO; - } else if (tp_features.bay_eject2 && - strlencmp(cmd, "eject2") == 0) { - if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -static struct tp_acpi_drv_struct ibm_bay_acpidriver = { - .notify = bay_notify, - .handle = &bay_handle, - .type = ACPI_SYSTEM_NOTIFY, -}; - -static struct ibm_struct bay_driver_data = { - .name = "bay", - .read = bay_read, - .write = bay_write, - .acpi = &ibm_bay_acpidriver, -}; - -#endif /* CONFIG_THINKPAD_ACPI_BAY */ - -/************************************************************************* - * CMOS subdriver - */ - -/* sysfs cmos_command -------------------------------------------------- */ -static ssize_t cmos_command_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long cmos_cmd; - int res; - - if (parse_strtoul(buf, 21, &cmos_cmd)) - return -EINVAL; - - res = issue_thinkpad_cmos_command(cmos_cmd); - return (res)? res : count; -} - -static struct device_attribute dev_attr_cmos_command = - __ATTR(cmos_command, S_IWUSR, NULL, cmos_command_store); - -/* --------------------------------------------------------------------- */ - -static int __init cmos_init(struct ibm_init_struct *iibm) -{ - int res; - - vdbg_printk(TPACPI_DBG_INIT, - "initializing cmos commands subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(cmos); - - vdbg_printk(TPACPI_DBG_INIT, "cmos commands are %s\n", - str_supported(cmos_handle != NULL)); - - res = device_create_file(&tpacpi_pdev->dev, &dev_attr_cmos_command); - if (res) - return res; - - return (cmos_handle)? 0 : 1; -} - -static void cmos_exit(void) -{ - device_remove_file(&tpacpi_pdev->dev, &dev_attr_cmos_command); -} - -static int cmos_read(char *p) -{ - int len = 0; - - /* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - R30, R31, T20-22, X20-21 */ - if (!cmos_handle) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else { - len += sprintf(p + len, "status:\t\tsupported\n"); - len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n"); - } - - return len; -} - -static int cmos_write(char *buf) -{ - char *cmd; - int cmos_cmd, res; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &cmos_cmd) == 1 && - cmos_cmd >= 0 && cmos_cmd <= 21) { - /* cmos_cmd set */ - } else - return -EINVAL; - - res = issue_thinkpad_cmos_command(cmos_cmd); - if (res) - return res; - } - - return 0; -} - -static struct ibm_struct cmos_driver_data = { - .name = "cmos", - .read = cmos_read, - .write = cmos_write, - .exit = cmos_exit, -}; - -/************************************************************************* - * LED subdriver - */ - -enum led_access_mode { - TPACPI_LED_NONE = 0, - TPACPI_LED_570, /* 570 */ - TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ - TPACPI_LED_NEW, /* all others */ -}; - -enum { /* For TPACPI_LED_OLD */ - TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */ - TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */ - TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */ -}; - -enum led_status_t { - TPACPI_LED_OFF = 0, - TPACPI_LED_ON, - TPACPI_LED_BLINK, -}; - -static enum led_access_mode led_supported; - -TPACPI_HANDLE(led, ec, "SLED", /* 570 */ - "SYSL", /* 600e/x, 770e, 770x, A21e, A2xm/p, */ - /* T20-22, X20-21 */ - "LED", /* all others */ - ); /* R30, R31 */ - -#define TPACPI_LED_NUMLEDS 8 -static struct tpacpi_led_classdev *tpacpi_leds; -static enum led_status_t tpacpi_led_state_cache[TPACPI_LED_NUMLEDS]; -static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = { - /* there's a limit of 19 chars + NULL before 2.6.26 */ - "tpacpi::power", - "tpacpi:orange:batt", - "tpacpi:green:batt", - "tpacpi::dock_active", - "tpacpi::bay_active", - "tpacpi::dock_batt", - "tpacpi::unknown_led", - "tpacpi::standby", -}; - -static int led_get_status(const unsigned int led) -{ - int status; - enum led_status_t led_s; - - switch (led_supported) { - case TPACPI_LED_570: - if (!acpi_evalf(ec_handle, - &status, "GLED", "dd", 1 << led)) - return -EIO; - led_s = (status == 0)? - TPACPI_LED_OFF : - ((status == 1)? - TPACPI_LED_ON : - TPACPI_LED_BLINK); - tpacpi_led_state_cache[led] = led_s; - return led_s; - default: - return -ENXIO; - } - - /* not reached */ -} - -static int led_set_status(const unsigned int led, - const enum led_status_t ledstatus) -{ - /* off, on, blink. Index is led_status_t */ - static const unsigned int led_sled_arg1[] = { 0, 1, 3 }; - static const unsigned int led_led_arg1[] = { 0, 0x80, 0xc0 }; - - int rc = 0; - - switch (led_supported) { - case TPACPI_LED_570: - /* 570 */ - if (led > 7) - return -EINVAL; - if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - (1 << led), led_sled_arg1[ledstatus])) - rc = -EIO; - break; - case TPACPI_LED_OLD: - /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ - if (led > 7) - return -EINVAL; - rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led)); - if (rc >= 0) - rc = ec_write(TPACPI_LED_EC_HLBL, - (ledstatus == TPACPI_LED_BLINK) << led); - if (rc >= 0) - rc = ec_write(TPACPI_LED_EC_HLCL, - (ledstatus != TPACPI_LED_OFF) << led); - break; - case TPACPI_LED_NEW: - /* all others */ - if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - led, led_led_arg1[ledstatus])) - rc = -EIO; - break; - default: - rc = -ENXIO; - } - - if (!rc) - tpacpi_led_state_cache[led] = ledstatus; - - return rc; -} - -static void led_sysfs_set_status(unsigned int led, - enum led_brightness brightness) -{ - led_set_status(led, - (brightness == LED_OFF) ? - TPACPI_LED_OFF : - (tpacpi_led_state_cache[led] == TPACPI_LED_BLINK) ? - TPACPI_LED_BLINK : TPACPI_LED_ON); -} - -static void led_set_status_worker(struct work_struct *work) -{ - struct tpacpi_led_classdev *data = - container_of(work, struct tpacpi_led_classdev, work); - - if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING)) - led_sysfs_set_status(data->led, data->new_brightness); -} - -static void led_sysfs_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct tpacpi_led_classdev *data = container_of(led_cdev, - struct tpacpi_led_classdev, led_classdev); - - data->new_brightness = brightness; - queue_work(tpacpi_wq, &data->work); -} - -static int led_sysfs_blink_set(struct led_classdev *led_cdev, - unsigned long *delay_on, unsigned long *delay_off) -{ - struct tpacpi_led_classdev *data = container_of(led_cdev, - struct tpacpi_led_classdev, led_classdev); - - /* Can we choose the flash rate? */ - if (*delay_on == 0 && *delay_off == 0) { - /* yes. set them to the hardware blink rate (1 Hz) */ - *delay_on = 500; /* ms */ - *delay_off = 500; /* ms */ - } else if ((*delay_on != 500) || (*delay_off != 500)) - return -EINVAL; - - data->new_brightness = TPACPI_LED_BLINK; - queue_work(tpacpi_wq, &data->work); - - return 0; -} - -static enum led_brightness led_sysfs_get(struct led_classdev *led_cdev) -{ - int rc; - - struct tpacpi_led_classdev *data = container_of(led_cdev, - struct tpacpi_led_classdev, led_classdev); - - rc = led_get_status(data->led); - - if (rc == TPACPI_LED_OFF || rc < 0) - rc = LED_OFF; /* no error handling in led class :( */ - else - rc = LED_FULL; - - return rc; -} - -static void led_exit(void) -{ - unsigned int i; - - for (i = 0; i < TPACPI_LED_NUMLEDS; i++) { - if (tpacpi_leds[i].led_classdev.name) - led_classdev_unregister(&tpacpi_leds[i].led_classdev); - } - - kfree(tpacpi_leds); -} - -static int __init led_init(struct ibm_init_struct *iibm) -{ - unsigned int i; - int rc; - - vdbg_printk(TPACPI_DBG_INIT, "initializing LED subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(led); - - if (!led_handle) - /* led not supported on R30, R31 */ - led_supported = TPACPI_LED_NONE; - else if (strlencmp(led_path, "SLED") == 0) - /* 570 */ - led_supported = TPACPI_LED_570; - else if (strlencmp(led_path, "SYSL") == 0) - /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */ - led_supported = TPACPI_LED_OLD; - else - /* all others */ - led_supported = TPACPI_LED_NEW; - - vdbg_printk(TPACPI_DBG_INIT, "LED commands are %s, mode %d\n", - str_supported(led_supported), led_supported); - - tpacpi_leds = kzalloc(sizeof(*tpacpi_leds) * TPACPI_LED_NUMLEDS, - GFP_KERNEL); - if (!tpacpi_leds) { - printk(TPACPI_ERR "Out of memory for LED data\n"); - return -ENOMEM; - } - - for (i = 0; i < TPACPI_LED_NUMLEDS; i++) { - tpacpi_leds[i].led = i; - - tpacpi_leds[i].led_classdev.brightness_set = &led_sysfs_set; - tpacpi_leds[i].led_classdev.blink_set = &led_sysfs_blink_set; - if (led_supported == TPACPI_LED_570) - tpacpi_leds[i].led_classdev.brightness_get = - &led_sysfs_get; - - tpacpi_leds[i].led_classdev.name = tpacpi_led_names[i]; - - INIT_WORK(&tpacpi_leds[i].work, led_set_status_worker); - - rc = led_classdev_register(&tpacpi_pdev->dev, - &tpacpi_leds[i].led_classdev); - if (rc < 0) { - tpacpi_leds[i].led_classdev.name = NULL; - led_exit(); - return rc; - } - } - - return (led_supported != TPACPI_LED_NONE)? 0 : 1; -} - -#define str_led_status(s) \ - ((s) == TPACPI_LED_OFF ? "off" : \ - ((s) == TPACPI_LED_ON ? "on" : "blinking")) - -static int led_read(char *p) -{ - int len = 0; - - if (!led_supported) { - len += sprintf(p + len, "status:\t\tnot supported\n"); - return len; - } - len += sprintf(p + len, "status:\t\tsupported\n"); - - if (led_supported == TPACPI_LED_570) { - /* 570 */ - int i, status; - for (i = 0; i < 8; i++) { - status = led_get_status(i); - if (status < 0) - return -EIO; - len += sprintf(p + len, "%d:\t\t%s\n", - i, str_led_status(status)); - } - } - - len += sprintf(p + len, "commands:\t" - "<led> on, <led> off, <led> blink (<led> is 0-7)\n"); - - return len; -} - -static int led_write(char *buf) -{ - char *cmd; - int led, rc; - enum led_status_t s; - - if (!led_supported) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7) - return -EINVAL; - - if (strstr(cmd, "off")) { - s = TPACPI_LED_OFF; - } else if (strstr(cmd, "on")) { - s = TPACPI_LED_ON; - } else if (strstr(cmd, "blink")) { - s = TPACPI_LED_BLINK; - } else { - return -EINVAL; - } - - rc = led_set_status(led, s); - if (rc < 0) - return rc; - } - - return 0; -} - -static struct ibm_struct led_driver_data = { - .name = "led", - .read = led_read, - .write = led_write, - .exit = led_exit, -}; - -/************************************************************************* - * Beep subdriver - */ - -TPACPI_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */ - -static int __init beep_init(struct ibm_init_struct *iibm) -{ - vdbg_printk(TPACPI_DBG_INIT, "initializing beep subdriver\n"); - - TPACPI_ACPIHANDLE_INIT(beep); - - vdbg_printk(TPACPI_DBG_INIT, "beep is %s\n", - str_supported(beep_handle != NULL)); - - return (beep_handle)? 0 : 1; -} - -static int beep_read(char *p) -{ - int len = 0; - - if (!beep_handle) - len += sprintf(p + len, "status:\t\tnot supported\n"); - else { - len += sprintf(p + len, "status:\t\tsupported\n"); - len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-17)\n"); - } - - return len; -} - -static int beep_write(char *buf) -{ - char *cmd; - int beep_cmd; - - if (!beep_handle) - return -ENODEV; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "%u", &beep_cmd) == 1 && - beep_cmd >= 0 && beep_cmd <= 17) { - /* beep_cmd set */ - } else - return -EINVAL; - if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0)) - return -EIO; - } - - return 0; -} - -static struct ibm_struct beep_driver_data = { - .name = "beep", - .read = beep_read, - .write = beep_write, -}; - -/************************************************************************* - * Thermal subdriver - */ - -enum thermal_access_mode { - TPACPI_THERMAL_NONE = 0, /* No thermal support */ - TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */ - TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */ - TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */ - TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */ -}; - -enum { /* TPACPI_THERMAL_TPEC_* */ - TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */ - TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */ - TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */ -}; - -#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */ -struct ibm_thermal_sensors_struct { - s32 temp[TPACPI_MAX_THERMAL_SENSORS]; -}; - -static enum thermal_access_mode thermal_read_mode; - -/* idx is zero-based */ -static int thermal_get_sensor(int idx, s32 *value) -{ - int t; - s8 tmp; - char tmpi[5]; - - t = TP_EC_THERMAL_TMP0; - - switch (thermal_read_mode) { -#if TPACPI_MAX_THERMAL_SENSORS >= 16 - case TPACPI_THERMAL_TPEC_16: - if (idx >= 8 && idx <= 15) { - t = TP_EC_THERMAL_TMP8; - idx -= 8; - } - /* fallthrough */ -#endif - case TPACPI_THERMAL_TPEC_8: - if (idx <= 7) { - if (!acpi_ec_read(t + idx, &tmp)) - return -EIO; - *value = tmp * 1000; - return 0; - } - break; - - case TPACPI_THERMAL_ACPI_UPDT: - if (idx <= 7) { - snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx); - if (!acpi_evalf(ec_handle, NULL, "UPDT", "v")) - return -EIO; - if (!acpi_evalf(ec_handle, &t, tmpi, "d")) - return -EIO; - *value = (t - 2732) * 100; - return 0; - } - break; - - case TPACPI_THERMAL_ACPI_TMP07: - if (idx <= 7) { - snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx); - if (!acpi_evalf(ec_handle, &t, tmpi, "d")) - return -EIO; - if (t > 127 || t < -127) - t = TP_EC_THERMAL_TMP_NA; - *value = t * 1000; - return 0; - } - break; - - case TPACPI_THERMAL_NONE: - default: - return -ENOSYS; - } - - return -EINVAL; -} - -static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s) -{ - int res, i; - int n; - - n = 8; - i = 0; - - if (!s) - return -EINVAL; - - if (thermal_read_mode == TPACPI_THERMAL_TPEC_16) - n = 16; - - for (i = 0 ; i < n; i++) { - res = thermal_get_sensor(i, &s->temp[i]); - if (res) - return res; - } - - return n; -} - -/* sysfs temp##_input -------------------------------------------------- */ - -static ssize_t thermal_temp_input_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = - to_sensor_dev_attr(attr); - int idx = sensor_attr->index; - s32 value; - int res; - - res = thermal_get_sensor(idx, &value); - if (res) - return res; - if (value == TP_EC_THERMAL_TMP_NA * 1000) - return -ENXIO; - - return snprintf(buf, PAGE_SIZE, "%d\n", value); -} - -#define THERMAL_SENSOR_ATTR_TEMP(_idxA, _idxB) \ - SENSOR_ATTR(temp##_idxA##_input, S_IRUGO, \ - thermal_temp_input_show, NULL, _idxB) - -static struct sensor_device_attribute sensor_dev_attr_thermal_temp_input[] = { - THERMAL_SENSOR_ATTR_TEMP(1, 0), - THERMAL_SENSOR_ATTR_TEMP(2, 1), - THERMAL_SENSOR_ATTR_TEMP(3, 2), - THERMAL_SENSOR_ATTR_TEMP(4, 3), - THERMAL_SENSOR_ATTR_TEMP(5, 4), - THERMAL_SENSOR_ATTR_TEMP(6, 5), - THERMAL_SENSOR_ATTR_TEMP(7, 6), - THERMAL_SENSOR_ATTR_TEMP(8, 7), - THERMAL_SENSOR_ATTR_TEMP(9, 8), - THERMAL_SENSOR_ATTR_TEMP(10, 9), - THERMAL_SENSOR_ATTR_TEMP(11, 10), - THERMAL_SENSOR_ATTR_TEMP(12, 11), - THERMAL_SENSOR_ATTR_TEMP(13, 12), - THERMAL_SENSOR_ATTR_TEMP(14, 13), - THERMAL_SENSOR_ATTR_TEMP(15, 14), - THERMAL_SENSOR_ATTR_TEMP(16, 15), -}; - -#define THERMAL_ATTRS(X) \ - &sensor_dev_attr_thermal_temp_input[X].dev_attr.attr - -static struct attribute *thermal_temp_input_attr[] = { - THERMAL_ATTRS(8), - THERMAL_ATTRS(9), - THERMAL_ATTRS(10), - THERMAL_ATTRS(11), - THERMAL_ATTRS(12), - THERMAL_ATTRS(13), - THERMAL_ATTRS(14), - THERMAL_ATTRS(15), - THERMAL_ATTRS(0), - THERMAL_ATTRS(1), - THERMAL_ATTRS(2), - THERMAL_ATTRS(3), - THERMAL_ATTRS(4), - THERMAL_ATTRS(5), - THERMAL_ATTRS(6), - THERMAL_ATTRS(7), - NULL -}; - -static const struct attribute_group thermal_temp_input16_group = { - .attrs = thermal_temp_input_attr -}; - -static const struct attribute_group thermal_temp_input8_group = { - .attrs = &thermal_temp_input_attr[8] -}; - -#undef THERMAL_SENSOR_ATTR_TEMP -#undef THERMAL_ATTRS - -/* --------------------------------------------------------------------- */ - -static int __init thermal_init(struct ibm_init_struct *iibm) -{ - u8 t, ta1, ta2; - int i; - int acpi_tmp7; - int res; - - vdbg_printk(TPACPI_DBG_INIT, "initializing thermal subdriver\n"); - - acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); - - if (thinkpad_id.ec_model) { - /* - * Direct EC access mode: sensors at registers - * 0x78-0x7F, 0xC0-0xC7. Registers return 0x00 for - * non-implemented, thermal sensors return 0x80 when - * not available - */ - - ta1 = ta2 = 0; - for (i = 0; i < 8; i++) { - if (acpi_ec_read(TP_EC_THERMAL_TMP0 + i, &t)) { - ta1 |= t; - } else { - ta1 = 0; - break; - } - if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) { - ta2 |= t; - } else { - ta1 = 0; - break; - } - } - if (ta1 == 0) { - /* This is sheer paranoia, but we handle it anyway */ - if (acpi_tmp7) { - printk(TPACPI_ERR - "ThinkPad ACPI EC access misbehaving, " - "falling back to ACPI TMPx access " - "mode\n"); - thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07; - } else { - printk(TPACPI_ERR - "ThinkPad ACPI EC access misbehaving, " - "disabling thermal sensors access\n"); - thermal_read_mode = TPACPI_THERMAL_NONE; - } - } else { - thermal_read_mode = - (ta2 != 0) ? - TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8; - } - } else if (acpi_tmp7) { - if (acpi_evalf(ec_handle, NULL, "UPDT", "qv")) { - /* 600e/x, 770e, 770x */ - thermal_read_mode = TPACPI_THERMAL_ACPI_UPDT; - } else { - /* Standard ACPI TMPx access, max 8 sensors */ - thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07; - } - } else { - /* temperatures not supported on 570, G4x, R30, R31, R32 */ - thermal_read_mode = TPACPI_THERMAL_NONE; - } - - vdbg_printk(TPACPI_DBG_INIT, "thermal is %s, mode %d\n", - str_supported(thermal_read_mode != TPACPI_THERMAL_NONE), - thermal_read_mode); - - switch (thermal_read_mode) { - case TPACPI_THERMAL_TPEC_16: - res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, - &thermal_temp_input16_group); - if (res) - return res; - break; - case TPACPI_THERMAL_TPEC_8: - case TPACPI_THERMAL_ACPI_TMP07: - case TPACPI_THERMAL_ACPI_UPDT: - res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, - &thermal_temp_input8_group); - if (res) - return res; - break; - case TPACPI_THERMAL_NONE: - default: - return 1; - } - - return 0; -} - -static void thermal_exit(void) -{ - switch (thermal_read_mode) { - case TPACPI_THERMAL_TPEC_16: - sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, - &thermal_temp_input16_group); - break; - case TPACPI_THERMAL_TPEC_8: - case TPACPI_THERMAL_ACPI_TMP07: - case TPACPI_THERMAL_ACPI_UPDT: - sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, - &thermal_temp_input16_group); - break; - case TPACPI_THERMAL_NONE: - default: - break; - } -} - -static int thermal_read(char *p) -{ - int len = 0; - int n, i; - struct ibm_thermal_sensors_struct t; - - n = thermal_get_sensors(&t); - if (unlikely(n < 0)) - return n; - - len += sprintf(p + len, "temperatures:\t"); - - if (n > 0) { - for (i = 0; i < (n - 1); i++) - len += sprintf(p + len, "%d ", t.temp[i] / 1000); - len += sprintf(p + len, "%d\n", t.temp[i] / 1000); - } else - len += sprintf(p + len, "not supported\n"); - - return len; -} - -static struct ibm_struct thermal_driver_data = { - .name = "thermal", - .read = thermal_read, - .exit = thermal_exit, -}; - -/************************************************************************* - * EC Dump subdriver - */ - -static u8 ecdump_regs[256]; - -static int ecdump_read(char *p) -{ - int len = 0; - int i, j; - u8 v; - - len += sprintf(p + len, "EC " - " +00 +01 +02 +03 +04 +05 +06 +07" - " +08 +09 +0a +0b +0c +0d +0e +0f\n"); - for (i = 0; i < 256; i += 16) { - len += sprintf(p + len, "EC 0x%02x:", i); - for (j = 0; j < 16; j++) { - if (!acpi_ec_read(i + j, &v)) - break; - if (v != ecdump_regs[i + j]) - len += sprintf(p + len, " *%02x", v); - else - len += sprintf(p + len, " %02x", v); - ecdump_regs[i + j] = v; - } - len += sprintf(p + len, "\n"); - if (j != 16) - break; - } - - /* These are way too dangerous to advertise openly... */ -#if 0 - len += sprintf(p + len, "commands:\t0x<offset> 0x<value>" - " (<offset> is 00-ff, <value> is 00-ff)\n"); - len += sprintf(p + len, "commands:\t0x<offset> <value> " - " (<offset> is 00-ff, <value> is 0-255)\n"); -#endif - return len; -} - -static int ecdump_write(char *buf) -{ - char *cmd; - int i, v; - - while ((cmd = next_cmd(&buf))) { - if (sscanf(cmd, "0x%x 0x%x", &i, &v) == 2) { - /* i and v set */ - } else if (sscanf(cmd, "0x%x %u", &i, &v) == 2) { - /* i and v set */ - } else - return -EINVAL; - if (i >= 0 && i < 256 && v >= 0 && v < 256) { - if (!acpi_ec_write(i, v)) - return -EIO; - } else - return -EINVAL; - } - - return 0; -} - -static struct ibm_struct ecdump_driver_data = { - .name = "ecdump", - .read = ecdump_read, - .write = ecdump_write, - .flags.experimental = 1, -}; - -/************************************************************************* - * Backlight/brightness subdriver - */ - -#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen" - -enum { - TP_EC_BACKLIGHT = 0x31, - - /* TP_EC_BACKLIGHT bitmasks */ - TP_EC_BACKLIGHT_LVLMSK = 0x1F, - TP_EC_BACKLIGHT_CMDMSK = 0xE0, - TP_EC_BACKLIGHT_MAPSW = 0x20, -}; - -static struct backlight_device *ibm_backlight_device; -static int brightness_mode; -static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */ - -static struct mutex brightness_mutex; - -/* - * ThinkPads can read brightness from two places: EC 0x31, or - * CMOS NVRAM byte 0x5E, bits 0-3. - * - * EC 0x31 has the following layout - * Bit 7: unknown function - * Bit 6: unknown function - * Bit 5: Z: honour scale changes, NZ: ignore scale changes - * Bit 4: must be set to zero to avoid problems - * Bit 3-0: backlight brightness level - * - * brightness_get_raw returns status data in the EC 0x31 layout - */ -static int brightness_get_raw(int *status) -{ - u8 lec = 0, lcmos = 0, level = 0; - - if (brightness_mode & 1) { - if (!acpi_ec_read(TP_EC_BACKLIGHT, &lec)) - return -EIO; - level = lec & TP_EC_BACKLIGHT_LVLMSK; - }; - if (brightness_mode & 2) { - lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS) - & TP_NVRAM_MASK_LEVEL_BRIGHTNESS) - >> TP_NVRAM_POS_LEVEL_BRIGHTNESS; - lcmos &= (tp_features.bright_16levels)? 0x0f : 0x07; - level = lcmos; - } - - if (brightness_mode == 3) { - *status = lec; /* Prefer EC, CMOS is just a backing store */ - lec &= TP_EC_BACKLIGHT_LVLMSK; - if (lec == lcmos) - tp_warned.bright_cmos_ec_unsync = 0; - else { - if (!tp_warned.bright_cmos_ec_unsync) { - printk(TPACPI_ERR - "CMOS NVRAM (%u) and EC (%u) do not " - "agree on display brightness level\n", - (unsigned int) lcmos, - (unsigned int) lec); - tp_warned.bright_cmos_ec_unsync = 1; - } - return -EIO; - } - } else { - *status = level; - } - - return 0; -} - -/* May return EINTR which can always be mapped to ERESTARTSYS */ -static int brightness_set(int value) -{ - int cmos_cmd, inc, i, res; - int current_value; - int command_bits; - - if (value > ((tp_features.bright_16levels)? 15 : 7) || - value < 0) - return -EINVAL; - - res = mutex_lock_interruptible(&brightness_mutex); - if (res < 0) - return res; - - res = brightness_get_raw(¤t_value); - if (res < 0) - goto errout; - - command_bits = current_value & TP_EC_BACKLIGHT_CMDMSK; - current_value &= TP_EC_BACKLIGHT_LVLMSK; - - cmos_cmd = value > current_value ? - TP_CMOS_BRIGHTNESS_UP : - TP_CMOS_BRIGHTNESS_DOWN; - inc = (value > current_value)? 1 : -1; - - res = 0; - for (i = current_value; i != value; i += inc) { - if ((brightness_mode & 2) && - issue_thinkpad_cmos_command(cmos_cmd)) { - res = -EIO; - goto errout; - } - if ((brightness_mode & 1) && - !acpi_ec_write(TP_EC_BACKLIGHT, - (i + inc) | command_bits)) { - res = -EIO; - goto errout;; - } - } - -errout: - mutex_unlock(&brightness_mutex); - return res; -} - -/* sysfs backlight class ----------------------------------------------- */ - -static int brightness_update_status(struct backlight_device *bd) -{ - /* it is the backlight class's job (caller) to handle - * EINTR and other errors properly */ - return brightness_set( - (bd->props.fb_blank == FB_BLANK_UNBLANK && - bd->props.power == FB_BLANK_UNBLANK) ? - bd->props.brightness : 0); -} - -static int brightness_get(struct backlight_device *bd) -{ - int status, res; - - res = brightness_get_raw(&status); - if (res < 0) - return 0; /* FIXME: teach backlight about error handling */ - - return status & TP_EC_BACKLIGHT_LVLMSK; -} - -static struct backlight_ops ibm_backlight_data = { - .get_brightness = brightness_get, - .update_status = brightness_update_status, -}; - -/* --------------------------------------------------------------------- */ - -static int __init brightness_init(struct ibm_init_struct *iibm) -{ - int b; - - vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n"); - - mutex_init(&brightness_mutex); - - /* - * We always attempt to detect acpi support, so as to switch - * Lenovo Vista BIOS to ACPI brightness mode even if we are not - * going to publish a backlight interface - */ - b = tpacpi_check_std_acpi_brightness_support(); - if (b > 0) { - - if (acpi_video_backlight_support()) { - if (brightness_enable > 1) { - printk(TPACPI_NOTICE - "Standard ACPI backlight interface " - "available, not loading native one.\n"); - return 1; - } else if (brightness_enable == 1) { - printk(TPACPI_NOTICE - "Backlight control force enabled, even if standard " - "ACPI backlight interface is available\n"); - } - } else { - if (brightness_enable > 1) { - printk(TPACPI_NOTICE - "Standard ACPI backlight interface not " - "available, thinkpad_acpi native " - "brightness control enabled\n"); - } - } - } - - if (!brightness_enable) { - dbg_printk(TPACPI_DBG_INIT, - "brightness support disabled by " - "module parameter\n"); - return 1; - } - - if (b > 16) { - printk(TPACPI_ERR - "Unsupported brightness interface, " - "please contact %s\n", TPACPI_MAIL); - return 1; - } - if (b == 16) - tp_features.bright_16levels = 1; - - if (!brightness_mode) { - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) - brightness_mode = 2; - else - brightness_mode = 3; - - dbg_printk(TPACPI_DBG_INIT, "selected brightness_mode=%d\n", - brightness_mode); - } - - if (brightness_mode > 3) - return -EINVAL; - - if (brightness_get_raw(&b) < 0) - return 1; - - if (tp_features.bright_16levels) - printk(TPACPI_INFO - "detected a 16-level brightness capable ThinkPad\n"); - - ibm_backlight_device = backlight_device_register( - TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL, - &ibm_backlight_data); - if (IS_ERR(ibm_backlight_device)) { - printk(TPACPI_ERR "Could not register backlight device\n"); - return PTR_ERR(ibm_backlight_device); - } - vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n"); - - ibm_backlight_device->props.max_brightness = - (tp_features.bright_16levels)? 15 : 7; - ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK; - backlight_update_status(ibm_backlight_device); - - return 0; -} - -static void brightness_exit(void) -{ - if (ibm_backlight_device) { - vdbg_printk(TPACPI_DBG_EXIT, - "calling backlight_device_unregister()\n"); - backlight_device_unregister(ibm_backlight_device); - } -} - -static int brightness_read(char *p) -{ - int len = 0; - int level; - - level = brightness_get(NULL); - if (level < 0) { - len += sprintf(p + len, "level:\t\tunreadable\n"); - } else { - len += sprintf(p + len, "level:\t\t%d\n", level); - len += sprintf(p + len, "commands:\tup, down\n"); - len += sprintf(p + len, "commands:\tlevel <level>" - " (<level> is 0-%d)\n", - (tp_features.bright_16levels) ? 15 : 7); - } - - return len; -} - -static int brightness_write(char *buf) -{ - int level; - int rc; - char *cmd; - int max_level = (tp_features.bright_16levels) ? 15 : 7; - - level = brightness_get(NULL); - if (level < 0) - return level; - - while ((cmd = next_cmd(&buf))) { - if (strlencmp(cmd, "up") == 0) { - if (level < max_level) - level++; - } else if (strlencmp(cmd, "down") == 0) { - if (level > 0) - level--; - } else if (sscanf(cmd, "level %d", &level) == 1 && - level >= 0 && level <= max_level) { - /* new level set */ - } else - return -EINVAL; - } - - /* - * Now we know what the final level should be, so we try to set it. - * Doing it this way makes the syscall restartable in case of EINTR - */ - rc = brightness_set(level); - return (rc == -EINTR)? ERESTARTSYS : rc; -} - -static struct ibm_struct brightness_driver_data = { - .name = "brightness", - .read = brightness_read, - .write = brightness_write, - .exit = brightness_exit, -}; - -/************************************************************************* - * Volume subdriver - */ - -static int volume_offset = 0x30; - -static int volume_read(char *p) -{ - int len = 0; - u8 level; - - if (!acpi_ec_read(volume_offset, &level)) { - len += sprintf(p + len, "level:\t\tunreadable\n"); - } else { - len += sprintf(p + len, "level:\t\t%d\n", level & 0xf); - len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6)); - len += sprintf(p + len, "commands:\tup, down, mute\n"); - len += sprintf(p + len, "commands:\tlevel <level>" - " (<level> is 0-15)\n"); - } - - return len; -} - -static int volume_write(char *buf) -{ - int cmos_cmd, inc, i; - u8 level, mute; - int new_level, new_mute; - char *cmd; - - while ((cmd = next_cmd(&buf))) { - if (!acpi_ec_read(volume_offset, &level)) - return -EIO; - new_mute = mute = level & 0x40; - new_level = level = level & 0xf; - - if (strlencmp(cmd, "up") == 0) { - if (mute) - new_mute = 0; - else - new_level = level == 15 ? 15 : level + 1; - } else if (strlencmp(cmd, "down") == 0) { - if (mute) - new_mute = 0; - else - new_level = level == 0 ? 0 : level - 1; - } else if (sscanf(cmd, "level %d", &new_level) == 1 && - new_level >= 0 && new_level <= 15) { - /* new_level set */ - } else if (strlencmp(cmd, "mute") == 0) { - new_mute = 0x40; - } else - return -EINVAL; - - if (new_level != level) { - /* mute doesn't change */ - - cmos_cmd = (new_level > level) ? - TP_CMOS_VOLUME_UP : TP_CMOS_VOLUME_DOWN; - inc = new_level > level ? 1 : -1; - - if (mute && (issue_thinkpad_cmos_command(cmos_cmd) || - !acpi_ec_write(volume_offset, level))) - return -EIO; - - for (i = level; i != new_level; i += inc) - if (issue_thinkpad_cmos_command(cmos_cmd) || - !acpi_ec_write(volume_offset, i + inc)) - return -EIO; - - if (mute && - (issue_thinkpad_cmos_command(TP_CMOS_VOLUME_MUTE) || - !acpi_ec_write(volume_offset, new_level + mute))) { - return -EIO; - } - } - - if (new_mute != mute) { - /* level doesn't change */ - - cmos_cmd = (new_mute) ? - TP_CMOS_VOLUME_MUTE : TP_CMOS_VOLUME_UP; - - if (issue_thinkpad_cmos_command(cmos_cmd) || - !acpi_ec_write(volume_offset, level + new_mute)) - return -EIO; - } - } - - return 0; -} - -static struct ibm_struct volume_driver_data = { - .name = "volume", - .read = volume_read, - .write = volume_write, -}; - -/************************************************************************* - * Fan subdriver - */ - -/* - * FAN ACCESS MODES - * - * TPACPI_FAN_RD_ACPI_GFAN: - * ACPI GFAN method: returns fan level - * - * see TPACPI_FAN_WR_ACPI_SFAN - * EC 0x2f (HFSP) not available if GFAN exists - * - * TPACPI_FAN_WR_ACPI_SFAN: - * ACPI SFAN method: sets fan level, 0 (stop) to 7 (max) - * - * EC 0x2f (HFSP) might be available *for reading*, but do not use - * it for writing. - * - * TPACPI_FAN_WR_TPEC: - * ThinkPad EC register 0x2f (HFSP): fan control loop mode - * Supported on almost all ThinkPads - * - * Fan speed changes of any sort (including those caused by the - * disengaged mode) are usually done slowly by the firmware as the - * maximum ammount of fan duty cycle change per second seems to be - * limited. - * - * Reading is not available if GFAN exists. - * Writing is not available if SFAN exists. - * - * Bits - * 7 automatic mode engaged; - * (default operation mode of the ThinkPad) - * fan level is ignored in this mode. - * 6 full speed mode (takes precedence over bit 7); - * not available on all thinkpads. May disable - * the tachometer while the fan controller ramps up - * the speed (which can take up to a few *minutes*). - * Speeds up fan to 100% duty-cycle, which is far above - * the standard RPM levels. It is not impossible that - * it could cause hardware damage. - * 5-3 unused in some models. Extra bits for fan level - * in others, but still useless as all values above - * 7 map to the same speed as level 7 in these models. - * 2-0 fan level (0..7 usually) - * 0x00 = stop - * 0x07 = max (set when temperatures critical) - * Some ThinkPads may have other levels, see - * TPACPI_FAN_WR_ACPI_FANS (X31/X40/X41) - * - * FIRMWARE BUG: on some models, EC 0x2f might not be initialized at - * boot. Apparently the EC does not intialize it, so unless ACPI DSDT - * does so, its initial value is meaningless (0x07). - * - * For firmware bugs, refer to: - * http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues - * - * ---- - * - * ThinkPad EC register 0x84 (LSB), 0x85 (MSB): - * Main fan tachometer reading (in RPM) - * - * This register is present on all ThinkPads with a new-style EC, and - * it is known not to be present on the A21m/e, and T22, as there is - * something else in offset 0x84 according to the ACPI DSDT. Other - * ThinkPads from this same time period (and earlier) probably lack the - * tachometer as well. - * - * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare - * was never fixed by IBM to report the EC firmware version string - * probably support the tachometer (like the early X models), so - * detecting it is quite hard. We need more data to know for sure. - * - * FIRMWARE BUG: always read 0x84 first, otherwise incorrect readings - * might result. - * - * FIRMWARE BUG: may go stale while the EC is switching to full speed - * mode. - * - * For firmware bugs, refer to: - * http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues - * - * TPACPI_FAN_WR_ACPI_FANS: - * ThinkPad X31, X40, X41. Not available in the X60. - * - * FANS ACPI handle: takes three arguments: low speed, medium speed, - * high speed. ACPI DSDT seems to map these three speeds to levels - * as follows: STOP LOW LOW MED MED HIGH HIGH HIGH HIGH - * (this map is stored on FAN0..FAN8 as "0,1,1,2,2,3,3,3,3") - * - * The speeds are stored on handles - * (FANA:FAN9), (FANC:FANB), (FANE:FAND). - * - * There are three default speed sets, acessible as handles: - * FS1L,FS1M,FS1H; FS2L,FS2M,FS2H; FS3L,FS3M,FS3H - * - * ACPI DSDT switches which set is in use depending on various - * factors. - * - * TPACPI_FAN_WR_TPEC is also available and should be used to - * command the fan. The X31/X40/X41 seems to have 8 fan levels, - * but the ACPI tables just mention level 7. - */ - -enum { /* Fan control constants */ - fan_status_offset = 0x2f, /* EC register 0x2f */ - fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM) - * 0x84 must be read before 0x85 */ - - TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */ - TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */ - - TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */ -}; - -enum fan_status_access_mode { - TPACPI_FAN_NONE = 0, /* No fan status or control */ - TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ - TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */ -}; - -enum fan_control_access_mode { - TPACPI_FAN_WR_NONE = 0, /* No fan control */ - TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */ - TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */ - TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */ -}; - -enum fan_control_commands { - TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */ - TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */ - TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd, - * and also watchdog cmd */ -}; - -static int fan_control_allowed; - -static enum fan_status_access_mode fan_status_access_mode; -static enum fan_control_access_mode fan_control_access_mode; -static enum fan_control_commands fan_control_commands; - -static u8 fan_control_initial_status; -static u8 fan_control_desired_level; -static u8 fan_control_resume_level; -static int fan_watchdog_maxinterval; - -static struct mutex fan_mutex; - -static void fan_watchdog_fire(struct work_struct *ignored); -static DECLARE_DELAYED_WORK(fan_watchdog_task, fan_watchdog_fire); - -TPACPI_HANDLE(fans, ec, "FANS"); /* X31, X40, X41 */ -TPACPI_HANDLE(gfan, ec, "GFAN", /* 570 */ - "\\FSPD", /* 600e/x, 770e, 770x */ - ); /* all others */ -TPACPI_HANDLE(sfan, ec, "SFAN", /* 570 */ - "JFNS", /* 770x-JL */ - ); /* all others */ - -/* - * Call with fan_mutex held - */ -static void fan_update_desired_level(u8 status) -{ - if ((status & - (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) == 0) { - if (status > 7) - fan_control_desired_level = 7; - else - fan_control_desired_level = status; - } -} - -static int fan_get_status(u8 *status) -{ - u8 s; - - /* TODO: - * Add TPACPI_FAN_RD_ACPI_FANS ? */ - - switch (fan_status_access_mode) { - case TPACPI_FAN_RD_ACPI_GFAN: - /* 570, 600e/x, 770e, 770x */ - - if (unlikely(!acpi_evalf(gfan_handle, &s, NULL, "d"))) - return -EIO; - - if (likely(status)) - *status = s & 0x07; - - break; - - case TPACPI_FAN_RD_TPEC: - /* all except 570, 600e/x, 770e, 770x */ - if (unlikely(!acpi_ec_read(fan_status_offset, &s))) - return -EIO; - - if (likely(status)) - *status = s; - - break; - - default: - return -ENXIO; - } - - return 0; -} - -static int fan_get_status_safe(u8 *status) -{ - int rc; - u8 s; - - if (mutex_lock_interruptible(&fan_mutex)) - return -ERESTARTSYS; - rc = fan_get_status(&s); - if (!rc) - fan_update_desired_level(s); - mutex_unlock(&fan_mutex); - - if (status) - *status = s; - - return rc; -} - -static int fan_get_speed(unsigned int *speed) -{ - u8 hi, lo; - - switch (fan_status_access_mode) { - case TPACPI_FAN_RD_TPEC: - /* all except 570, 600e/x, 770e, 770x */ - if (unlikely(!acpi_ec_read(fan_rpm_offset, &lo) || - !acpi_ec_read(fan_rpm_offset + 1, &hi))) - return -EIO; - - if (likely(speed)) - *speed = (hi << 8) | lo; - - break; - - default: - return -ENXIO; - } - - return 0; -} - -static int fan_set_level(int level) -{ - if (!fan_control_allowed) - return -EPERM; - - switch (fan_control_access_mode) { - case TPACPI_FAN_WR_ACPI_SFAN: - if (level >= 0 && level <= 7) { - if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) - return -EIO; - } else - return -EINVAL; - break; - - case TPACPI_FAN_WR_ACPI_FANS: - case TPACPI_FAN_WR_TPEC: - if (!(level & TP_EC_FAN_AUTO) && - !(level & TP_EC_FAN_FULLSPEED) && - ((level < 0) || (level > 7))) - return -EINVAL; - - /* safety net should the EC not support AUTO - * or FULLSPEED mode bits and just ignore them */ - if (level & TP_EC_FAN_FULLSPEED) - level |= 7; /* safety min speed 7 */ - else if (level & TP_EC_FAN_AUTO) - level |= 4; /* safety min speed 4 */ - - if (!acpi_ec_write(fan_status_offset, level)) - return -EIO; - else - tp_features.fan_ctrl_status_undef = 0; - break; - - default: - return -ENXIO; - } - return 0; -} - -static int fan_set_level_safe(int level) -{ - int rc; - - if (!fan_control_allowed) - return -EPERM; - - if (mutex_lock_interruptible(&fan_mutex)) - return -ERESTARTSYS; - - if (level == TPACPI_FAN_LAST_LEVEL) - level = fan_control_desired_level; - - rc = fan_set_level(level); - if (!rc) - fan_update_desired_level(level); - - mutex_unlock(&fan_mutex); - return rc; -} - -static int fan_set_enable(void) -{ - u8 s; - int rc; - - if (!fan_control_allowed) - return -EPERM; - - if (mutex_lock_interruptible(&fan_mutex)) - return -ERESTARTSYS; - - switch (fan_control_access_mode) { - case TPACPI_FAN_WR_ACPI_FANS: - case TPACPI_FAN_WR_TPEC: - rc = fan_get_status(&s); - if (rc < 0) - break; - - /* Don't go out of emergency fan mode */ - if (s != 7) { - s &= 0x07; - s |= TP_EC_FAN_AUTO | 4; /* min fan speed 4 */ - } - - if (!acpi_ec_write(fan_status_offset, s)) - rc = -EIO; - else { - tp_features.fan_ctrl_status_undef = 0; - rc = 0; - } - break; - - case TPACPI_FAN_WR_ACPI_SFAN: - rc = fan_get_status(&s); - if (rc < 0) - break; - - s &= 0x07; - - /* Set fan to at least level 4 */ - s |= 4; - - if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", s)) - rc = -EIO; - else - rc = 0; - break; - - default: - rc = -ENXIO; - } - - mutex_unlock(&fan_mutex); - return rc; -} - -static int fan_set_disable(void) -{ - int rc; - - if (!fan_control_allowed) - return -EPERM; - - if (mutex_lock_interruptible(&fan_mutex)) - return -ERESTARTSYS; - - rc = 0; - switch (fan_control_access_mode) { - case TPACPI_FAN_WR_ACPI_FANS: - case TPACPI_FAN_WR_TPEC: - if (!acpi_ec_write(fan_status_offset, 0x00)) - rc = -EIO; - else { - fan_control_desired_level = 0; - tp_features.fan_ctrl_status_undef = 0; - } - break; - - case TPACPI_FAN_WR_ACPI_SFAN: - if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", 0x00)) - rc = -EIO; - else - fan_control_desired_level = 0; - break; - - default: - rc = -ENXIO; - } - - - mutex_unlock(&fan_mutex); - return rc; -} - -static int fan_set_speed(int speed) -{ - int rc; - - if (!fan_control_allowed) - return -EPERM; - - if (mutex_lock_interruptible(&fan_mutex)) - return -ERESTARTSYS; - - rc = 0; - switch (fan_control_access_mode) { - case TPACPI_FAN_WR_ACPI_FANS: - if (speed >= 0 && speed <= 65535) { - if (!acpi_evalf(fans_handle, NULL, NULL, "vddd", - speed, speed, speed)) - rc = -EIO; - } else - rc = -EINVAL; - break; - - default: - rc = -ENXIO; - } - - mutex_unlock(&fan_mutex); - return rc; -} - -static void fan_watchdog_reset(void) -{ - static int fan_watchdog_active; - - if (fan_control_access_mode == TPACPI_FAN_WR_NONE) - return; - - if (fan_watchdog_active) - cancel_delayed_work(&fan_watchdog_task); - - if (fan_watchdog_maxinterval > 0 && - tpacpi_lifecycle != TPACPI_LIFE_EXITING) { - fan_watchdog_active = 1; - if (!queue_delayed_work(tpacpi_wq, &fan_watchdog_task, - msecs_to_jiffies(fan_watchdog_maxinterval - * 1000))) { - printk(TPACPI_ERR - "failed to queue the fan watchdog, " - "watchdog will not trigger\n"); - } - } else - fan_watchdog_active = 0; -} - -static void fan_watchdog_fire(struct work_struct *ignored) -{ - int rc; - - if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING) - return; - - printk(TPACPI_NOTICE "fan watchdog: enabling fan\n"); - rc = fan_set_enable(); - if (rc < 0) { - printk(TPACPI_ERR "fan watchdog: error %d while enabling fan, " - "will try again later...\n", -rc); - /* reschedule for later */ - fan_watchdog_reset(); - } -} - -/* - * SYSFS fan layout: hwmon compatible (device) - * - * pwm*_enable: - * 0: "disengaged" mode - * 1: manual mode - * 2: native EC "auto" mode (recommended, hardware default) - * - * pwm*: set speed in manual mode, ignored otherwise. - * 0 is level 0; 255 is level 7. Intermediate points done with linear - * interpolation. - * - * fan*_input: tachometer reading, RPM - * - * - * SYSFS fan layout: extensions - * - * fan_watchdog (driver): - * fan watchdog interval in seconds, 0 disables (default), max 120 - */ - -/* sysfs fan pwm1_enable ----------------------------------------------- */ -static ssize_t fan_pwm1_enable_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res, mode; - u8 status; - - res = fan_get_status_safe(&status); - if (res) - return res; - - if (unlikely(tp_features.fan_ctrl_status_undef)) { - if (status != fan_control_initial_status) { - tp_features.fan_ctrl_status_undef = 0; - } else { - /* Return most likely status. In fact, it - * might be the only possible status */ - status = TP_EC_FAN_AUTO; - } - } - - if (status & TP_EC_FAN_FULLSPEED) { - mode = 0; - } else if (status & TP_EC_FAN_AUTO) { - mode = 2; - } else - mode = 1; - - return snprintf(buf, PAGE_SIZE, "%d\n", mode); -} - -static ssize_t fan_pwm1_enable_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long t; - int res, level; - - if (parse_strtoul(buf, 2, &t)) - return -EINVAL; - - switch (t) { - case 0: - level = TP_EC_FAN_FULLSPEED; - break; - case 1: - level = TPACPI_FAN_LAST_LEVEL; - break; - case 2: - level = TP_EC_FAN_AUTO; - break; - case 3: - /* reserved for software-controlled auto mode */ - return -ENOSYS; - default: - return -EINVAL; - } - - res = fan_set_level_safe(level); - if (res == -ENXIO) - return -EINVAL; - else if (res < 0) - return res; - - fan_watchdog_reset(); - - return count; -} - -static struct device_attribute dev_attr_fan_pwm1_enable = - __ATTR(pwm1_enable, S_IWUSR | S_IRUGO, - fan_pwm1_enable_show, fan_pwm1_enable_store); - -/* sysfs fan pwm1 ------------------------------------------------------ */ -static ssize_t fan_pwm1_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res; - u8 status; - - res = fan_get_status_safe(&status); - if (res) - return res; - - if (unlikely(tp_features.fan_ctrl_status_undef)) { - if (status != fan_control_initial_status) { - tp_features.fan_ctrl_status_undef = 0; - } else { - status = TP_EC_FAN_AUTO; - } - } - - if ((status & - (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) != 0) - status = fan_control_desired_level; - - if (status > 7) - status = 7; - - return snprintf(buf, PAGE_SIZE, "%u\n", (status * 255) / 7); -} - -static ssize_t fan_pwm1_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - unsigned long s; - int rc; - u8 status, newlevel; - - if (parse_strtoul(buf, 255, &s)) - return -EINVAL; - - /* scale down from 0-255 to 0-7 */ - newlevel = (s >> 5) & 0x07; - - if (mutex_lock_interruptible(&fan_mutex)) - return -ERESTARTSYS; - - rc = fan_get_status(&status); - if (!rc && (status & - (TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) == 0) { - rc = fan_set_level(newlevel); - if (rc == -ENXIO) - rc = -EINVAL; - else if (!rc) { - fan_update_desired_level(newlevel); - fan_watchdog_reset(); - } - } - - mutex_unlock(&fan_mutex); - return (rc)? rc : count; -} - -static struct device_attribute dev_attr_fan_pwm1 = - __ATTR(pwm1, S_IWUSR | S_IRUGO, - fan_pwm1_show, fan_pwm1_store); - -/* sysfs fan fan1_input ------------------------------------------------ */ -static ssize_t fan_fan1_input_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int res; - unsigned int speed; - - res = fan_get_speed(&speed); - if (res < 0) - return res; - - return snprintf(buf, PAGE_SIZE, "%u\n", speed); -} - -static struct device_attribute dev_attr_fan_fan1_input = - __ATTR(fan1_input, S_IRUGO, - fan_fan1_input_show, NULL); - -/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */ -static ssize_t fan_fan_watchdog_show(struct device_driver *drv, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%u\n", fan_watchdog_maxinterval); -} - -static ssize_t fan_fan_watchdog_store(struct device_driver *drv, - const char *buf, size_t count) -{ - unsigned long t; - - if (parse_strtoul(buf, 120, &t)) - return -EINVAL; - - if (!fan_control_allowed) - return -EPERM; - - fan_watchdog_maxinterval = t; - fan_watchdog_reset(); - - return count; -} - -static DRIVER_ATTR(fan_watchdog, S_IWUSR | S_IRUGO, - fan_fan_watchdog_show, fan_fan_watchdog_store); - -/* --------------------------------------------------------------------- */ -static struct attribute *fan_attributes[] = { - &dev_attr_fan_pwm1_enable.attr, &dev_attr_fan_pwm1.attr, - &dev_attr_fan_fan1_input.attr, - NULL -}; - -static const struct attribute_group fan_attr_group = { - .attrs = fan_attributes, -}; - -static int __init fan_init(struct ibm_init_struct *iibm) -{ - int rc; - - vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n"); - - mutex_init(&fan_mutex); - fan_status_access_mode = TPACPI_FAN_NONE; - fan_control_access_mode = TPACPI_FAN_WR_NONE; - fan_control_commands = 0; - fan_watchdog_maxinterval = 0; - tp_features.fan_ctrl_status_undef = 0; - fan_control_desired_level = 7; - - TPACPI_ACPIHANDLE_INIT(fans); - TPACPI_ACPIHANDLE_INIT(gfan); - TPACPI_ACPIHANDLE_INIT(sfan); - - if (gfan_handle) { - /* 570, 600e/x, 770e, 770x */ - fan_status_access_mode = TPACPI_FAN_RD_ACPI_GFAN; - } else { - /* all other ThinkPads: note that even old-style - * ThinkPad ECs supports the fan control register */ - if (likely(acpi_ec_read(fan_status_offset, - &fan_control_initial_status))) { - fan_status_access_mode = TPACPI_FAN_RD_TPEC; - - /* In some ThinkPads, neither the EC nor the ACPI - * DSDT initialize the fan status, and it ends up - * being set to 0x07 when it *could* be either - * 0x07 or 0x80. - * - * Enable for TP-1Y (T43), TP-78 (R51e), - * TP-76 (R52), TP-70 (T43, R52), which are known - * to be buggy. */ - if (fan_control_initial_status == 0x07) { - switch (thinkpad_id.ec_model) { - case 0x5931: /* TP-1Y */ - case 0x3837: /* TP-78 */ - case 0x3637: /* TP-76 */ - case 0x3037: /* TP-70 */ - printk(TPACPI_NOTICE - "fan_init: initial fan status " - "is unknown, assuming it is " - "in auto mode\n"); - tp_features.fan_ctrl_status_undef = 1; - ;; - } - } - } else { - printk(TPACPI_ERR - "ThinkPad ACPI EC access misbehaving, " - "fan status and control unavailable\n"); - return 1; - } - } - - if (sfan_handle) { - /* 570, 770x-JL */ - fan_control_access_mode = TPACPI_FAN_WR_ACPI_SFAN; - fan_control_commands |= - TPACPI_FAN_CMD_LEVEL | TPACPI_FAN_CMD_ENABLE; - } else { - if (!gfan_handle) { - /* gfan without sfan means no fan control */ - /* all other models implement TP EC 0x2f control */ - - if (fans_handle) { - /* X31, X40, X41 */ - fan_control_access_mode = - TPACPI_FAN_WR_ACPI_FANS; - fan_control_commands |= - TPACPI_FAN_CMD_SPEED | - TPACPI_FAN_CMD_LEVEL | - TPACPI_FAN_CMD_ENABLE; - } else { - fan_control_access_mode = TPACPI_FAN_WR_TPEC; - fan_control_commands |= - TPACPI_FAN_CMD_LEVEL | - TPACPI_FAN_CMD_ENABLE; - } - } - } - - vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n", - str_supported(fan_status_access_mode != TPACPI_FAN_NONE || - fan_control_access_mode != TPACPI_FAN_WR_NONE), - fan_status_access_mode, fan_control_access_mode); - - /* fan control master switch */ - if (!fan_control_allowed) { - fan_control_access_mode = TPACPI_FAN_WR_NONE; - fan_control_commands = 0; - dbg_printk(TPACPI_DBG_INIT, - "fan control features disabled by parameter\n"); - } - - /* update fan_control_desired_level */ - if (fan_status_access_mode != TPACPI_FAN_NONE) - fan_get_status_safe(NULL); - - if (fan_status_access_mode != TPACPI_FAN_NONE || - fan_control_access_mode != TPACPI_FAN_WR_NONE) { - rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, - &fan_attr_group); - if (rc < 0) - return rc; - - rc = driver_create_file(&tpacpi_hwmon_pdriver.driver, - &driver_attr_fan_watchdog); - if (rc < 0) { - sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, - &fan_attr_group); - return rc; - } - return 0; - } else - return 1; -} - -static void fan_exit(void) -{ - vdbg_printk(TPACPI_DBG_EXIT, - "cancelling any pending fan watchdog tasks\n"); - - /* FIXME: can we really do this unconditionally? */ - sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group); - driver_remove_file(&tpacpi_hwmon_pdriver.driver, - &driver_attr_fan_watchdog); - - cancel_delayed_work(&fan_watchdog_task); - flush_workqueue(tpacpi_wq); -} - -static void fan_suspend(pm_message_t state) -{ - int rc; - - if (!fan_control_allowed) - return; - - /* Store fan status in cache */ - fan_control_resume_level = 0; - rc = fan_get_status_safe(&fan_control_resume_level); - if (rc < 0) - printk(TPACPI_NOTICE - "failed to read fan level for later " - "restore during resume: %d\n", rc); - - /* if it is undefined, don't attempt to restore it. - * KEEP THIS LAST */ - if (tp_features.fan_ctrl_status_undef) - fan_control_resume_level = 0; -} - -static void fan_resume(void) -{ - u8 current_level = 7; - bool do_set = false; - int rc; - - /* DSDT *always* updates status on resume */ - tp_features.fan_ctrl_status_undef = 0; - - if (!fan_control_allowed || - !fan_control_resume_level || - (fan_get_status_safe(¤t_level) < 0)) - return; - - switch (fan_control_access_mode) { - case TPACPI_FAN_WR_ACPI_SFAN: - /* never decrease fan level */ - do_set = (fan_control_resume_level > current_level); - break; - case TPACPI_FAN_WR_ACPI_FANS: - case TPACPI_FAN_WR_TPEC: - /* never decrease fan level, scale is: - * TP_EC_FAN_FULLSPEED > 7 >= TP_EC_FAN_AUTO - * - * We expect the firmware to set either 7 or AUTO, but we - * handle FULLSPEED out of paranoia. - * - * So, we can safely only restore FULLSPEED or 7, anything - * else could slow the fan. Restoring AUTO is useless, at - * best that's exactly what the DSDT already set (it is the - * slower it uses). - * - * Always keep in mind that the DSDT *will* have set the - * fans to what the vendor supposes is the best level. We - * muck with it only to speed the fan up. - */ - if (fan_control_resume_level != 7 && - !(fan_control_resume_level & TP_EC_FAN_FULLSPEED)) - return; - else - do_set = !(current_level & TP_EC_FAN_FULLSPEED) && - (current_level != fan_control_resume_level); - break; - default: - return; - } - if (do_set) { - printk(TPACPI_NOTICE - "restoring fan level to 0x%02x\n", - fan_control_resume_level); - rc = fan_set_level_safe(fan_control_resume_level); - if (rc < 0) - printk(TPACPI_NOTICE - "failed to restore fan level: %d\n", rc); - } -} - -static int fan_read(char *p) -{ - int len = 0; - int rc; - u8 status; - unsigned int speed = 0; - - switch (fan_status_access_mode) { - case TPACPI_FAN_RD_ACPI_GFAN: - /* 570, 600e/x, 770e, 770x */ - rc = fan_get_status_safe(&status); - if (rc < 0) - return rc; - - len += sprintf(p + len, "status:\t\t%s\n" - "level:\t\t%d\n", - (status != 0) ? "enabled" : "disabled", status); - break; - - case TPACPI_FAN_RD_TPEC: - /* all except 570, 600e/x, 770e, 770x */ - rc = fan_get_status_safe(&status); - if (rc < 0) - return rc; - - if (unlikely(tp_features.fan_ctrl_status_undef)) { - if (status != fan_control_initial_status) - tp_features.fan_ctrl_status_undef = 0; - else - /* Return most likely status. In fact, it - * might be the only possible status */ - status = TP_EC_FAN_AUTO; - } - - len += sprintf(p + len, "status:\t\t%s\n", - (status != 0) ? "enabled" : "disabled"); - - rc = fan_get_speed(&speed); - if (rc < 0) - return rc; - - len += sprintf(p + len, "speed:\t\t%d\n", speed); - - if (status & TP_EC_FAN_FULLSPEED) - /* Disengaged mode takes precedence */ - len += sprintf(p + len, "level:\t\tdisengaged\n"); - else if (status & TP_EC_FAN_AUTO) - len += sprintf(p + len, "level:\t\tauto\n"); - else - len += sprintf(p + len, "level:\t\t%d\n", status); - break; - - case TPACPI_FAN_NONE: - default: - len += sprintf(p + len, "status:\t\tnot supported\n"); - } - - if (fan_control_commands & TPACPI_FAN_CMD_LEVEL) { - len += sprintf(p + len, "commands:\tlevel <level>"); - - switch (fan_control_access_mode) { - case TPACPI_FAN_WR_ACPI_SFAN: - len += sprintf(p + len, " (<level> is 0-7)\n"); - break; - - default: - len += sprintf(p + len, " (<level> is 0-7, " - "auto, disengaged, full-speed)\n"); - break; - } - } - - if (fan_control_commands & TPACPI_FAN_CMD_ENABLE) - len += sprintf(p + len, "commands:\tenable, disable\n" - "commands:\twatchdog <timeout> (<timeout> " - "is 0 (off), 1-120 (seconds))\n"); - - if (fan_control_commands & TPACPI_FAN_CMD_SPEED) - len += sprintf(p + len, "commands:\tspeed <speed>" - " (<speed> is 0-65535)\n"); - - return len; -} - -static int fan_write_cmd_level(const char *cmd, int *rc) -{ - int level; - - if (strlencmp(cmd, "level auto") == 0) - level = TP_EC_FAN_AUTO; - else if ((strlencmp(cmd, "level disengaged") == 0) | - (strlencmp(cmd, "level full-speed") == 0)) - level = TP_EC_FAN_FULLSPEED; - else if (sscanf(cmd, "level %d", &level) != 1) - return 0; - - *rc = fan_set_level_safe(level); - if (*rc == -ENXIO) - printk(TPACPI_ERR "level command accepted for unsupported " - "access mode %d", fan_control_access_mode); - - return 1; -} - -static int fan_write_cmd_enable(const char *cmd, int *rc) -{ - if (strlencmp(cmd, "enable") != 0) - return 0; - - *rc = fan_set_enable(); - if (*rc == -ENXIO) - printk(TPACPI_ERR "enable command accepted for unsupported " - "access mode %d", fan_control_access_mode); - - return 1; -} - -static int fan_write_cmd_disable(const char *cmd, int *rc) -{ - if (strlencmp(cmd, "disable") != 0) - return 0; - - *rc = fan_set_disable(); - if (*rc == -ENXIO) - printk(TPACPI_ERR "disable command accepted for unsupported " - "access mode %d", fan_control_access_mode); - - return 1; -} - -static int fan_write_cmd_speed(const char *cmd, int *rc) -{ - int speed; - - /* TODO: - * Support speed <low> <medium> <high> ? */ - - if (sscanf(cmd, "speed %d", &speed) != 1) - return 0; - - *rc = fan_set_speed(speed); - if (*rc == -ENXIO) - printk(TPACPI_ERR "speed command accepted for unsupported " - "access mode %d", fan_control_access_mode); - - return 1; -} - -static int fan_write_cmd_watchdog(const char *cmd, int *rc) -{ - int interval; - - if (sscanf(cmd, "watchdog %d", &interval) != 1) - return 0; - - if (interval < 0 || interval > 120) - *rc = -EINVAL; - else - fan_watchdog_maxinterval = interval; - - return 1; -} - -static int fan_write(char *buf) -{ - char *cmd; - int rc = 0; - - while (!rc && (cmd = next_cmd(&buf))) { - if (!((fan_control_commands & TPACPI_FAN_CMD_LEVEL) && - fan_write_cmd_level(cmd, &rc)) && - !((fan_control_commands & TPACPI_FAN_CMD_ENABLE) && - (fan_write_cmd_enable(cmd, &rc) || - fan_write_cmd_disable(cmd, &rc) || - fan_write_cmd_watchdog(cmd, &rc))) && - !((fan_control_commands & TPACPI_FAN_CMD_SPEED) && - fan_write_cmd_speed(cmd, &rc)) - ) - rc = -EINVAL; - else if (!rc) - fan_watchdog_reset(); - } - - return rc; -} - -static struct ibm_struct fan_driver_data = { - .name = "fan", - .read = fan_read, - .write = fan_write, - .exit = fan_exit, - .suspend = fan_suspend, - .resume = fan_resume, -}; - -/**************************************************************************** - **************************************************************************** - * - * Infrastructure - * - **************************************************************************** - ****************************************************************************/ - -/* sysfs name ---------------------------------------------------------- */ -static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", TPACPI_NAME); -} - -static struct device_attribute dev_attr_thinkpad_acpi_pdev_name = - __ATTR(name, S_IRUGO, thinkpad_acpi_pdev_name_show, NULL); - -/* --------------------------------------------------------------------- */ - -/* /proc support */ -static struct proc_dir_entry *proc_dir; - -/* - * Module and infrastructure proble, init and exit handling - */ - -static int force_load; - -#ifdef CONFIG_THINKPAD_ACPI_DEBUG -static const char * __init str_supported(int is_supported) -{ - static char text_unsupported[] __initdata = "not supported"; - - return (is_supported)? &text_unsupported[4] : &text_unsupported[0]; -} -#endif /* CONFIG_THINKPAD_ACPI_DEBUG */ - -static void ibm_exit(struct ibm_struct *ibm) -{ - dbg_printk(TPACPI_DBG_EXIT, "removing %s\n", ibm->name); - - list_del_init(&ibm->all_drivers); - - if (ibm->flags.acpi_notify_installed) { - dbg_printk(TPACPI_DBG_EXIT, - "%s: acpi_remove_notify_handler\n", ibm->name); - BUG_ON(!ibm->acpi); - acpi_remove_notify_handler(*ibm->acpi->handle, - ibm->acpi->type, - dispatch_acpi_notify); - ibm->flags.acpi_notify_installed = 0; - ibm->flags.acpi_notify_installed = 0; - } - - if (ibm->flags.proc_created) { - dbg_printk(TPACPI_DBG_EXIT, - "%s: remove_proc_entry\n", ibm->name); - remove_proc_entry(ibm->name, proc_dir); - ibm->flags.proc_created = 0; - } - - if (ibm->flags.acpi_driver_registered) { - dbg_printk(TPACPI_DBG_EXIT, - "%s: acpi_bus_unregister_driver\n", ibm->name); - BUG_ON(!ibm->acpi); - acpi_bus_unregister_driver(ibm->acpi->driver); - kfree(ibm->acpi->driver); - ibm->acpi->driver = NULL; - ibm->flags.acpi_driver_registered = 0; - } - - if (ibm->flags.init_called && ibm->exit) { - ibm->exit(); - ibm->flags.init_called = 0; - } - - dbg_printk(TPACPI_DBG_INIT, "finished removing %s\n", ibm->name); -} - -static int __init ibm_init(struct ibm_init_struct *iibm) -{ - int ret; - struct ibm_struct *ibm = iibm->data; - struct proc_dir_entry *entry; - - BUG_ON(ibm == NULL); - - INIT_LIST_HEAD(&ibm->all_drivers); - - if (ibm->flags.experimental && !experimental) - return 0; - - dbg_printk(TPACPI_DBG_INIT, - "probing for %s\n", ibm->name); - - if (iibm->init) { - ret = iibm->init(iibm); - if (ret > 0) - return 0; /* probe failed */ - if (ret) - return ret; - - ibm->flags.init_called = 1; - } - - if (ibm->acpi) { - if (ibm->acpi->hid) { - ret = register_tpacpi_subdriver(ibm); - if (ret) - goto err_out; - } - - if (ibm->acpi->notify) { - ret = setup_acpi_notify(ibm); - if (ret == -ENODEV) { - printk(TPACPI_NOTICE "disabling subdriver %s\n", - ibm->name); - ret = 0; - goto err_out; - } - if (ret < 0) - goto err_out; - } - } - - dbg_printk(TPACPI_DBG_INIT, - "%s installed\n", ibm->name); - - if (ibm->read) { - entry = create_proc_entry(ibm->name, - S_IFREG | S_IRUGO | S_IWUSR, - proc_dir); - if (!entry) { - printk(TPACPI_ERR "unable to create proc entry %s\n", - ibm->name); - ret = -ENODEV; - goto err_out; - } - entry->owner = THIS_MODULE; - entry->data = ibm; - entry->read_proc = &dispatch_procfs_read; - if (ibm->write) - entry->write_proc = &dispatch_procfs_write; - ibm->flags.proc_created = 1; - } - - list_add_tail(&ibm->all_drivers, &tpacpi_all_drivers); - - return 0; - -err_out: - dbg_printk(TPACPI_DBG_INIT, - "%s: at error exit path with result %d\n", - ibm->name, ret); - - ibm_exit(ibm); - return (ret < 0)? ret : 0; -} - -/* Probing */ - -/* returns 0 - probe ok, or < 0 - probe error. - * Probe ok doesn't mean thinkpad found. - * On error, kfree() cleanup on tp->* is not performed, caller must do it */ -static int __must_check __init get_thinkpad_model_data( - struct thinkpad_id_data *tp) -{ - const struct dmi_device *dev = NULL; - char ec_fw_string[18]; - char const *s; - - if (!tp) - return -EINVAL; - - memset(tp, 0, sizeof(*tp)); - - if (dmi_name_in_vendors("IBM")) - tp->vendor = PCI_VENDOR_ID_IBM; - else if (dmi_name_in_vendors("LENOVO")) - tp->vendor = PCI_VENDOR_ID_LENOVO; - else - return 0; - - s = dmi_get_system_info(DMI_BIOS_VERSION); - tp->bios_version_str = kstrdup(s, GFP_KERNEL); - if (s && !tp->bios_version_str) - return -ENOMEM; - if (!tp->bios_version_str) - return 0; - tp->bios_model = tp->bios_version_str[0] - | (tp->bios_version_str[1] << 8); - - /* - * ThinkPad T23 or newer, A31 or newer, R50e or newer, - * X32 or newer, all Z series; Some models must have an - * up-to-date BIOS or they will not be detected. - * - * See http://thinkwiki.org/wiki/List_of_DMI_IDs - */ - while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { - if (sscanf(dev->name, - "IBM ThinkPad Embedded Controller -[%17c", - ec_fw_string) == 1) { - ec_fw_string[sizeof(ec_fw_string) - 1] = 0; - ec_fw_string[strcspn(ec_fw_string, " ]")] = 0; - - tp->ec_version_str = kstrdup(ec_fw_string, GFP_KERNEL); - if (!tp->ec_version_str) - return -ENOMEM; - tp->ec_model = ec_fw_string[0] - | (ec_fw_string[1] << 8); - break; - } - } - - s = dmi_get_system_info(DMI_PRODUCT_VERSION); - if (s && !strnicmp(s, "ThinkPad", 8)) { - tp->model_str = kstrdup(s, GFP_KERNEL); - if (!tp->model_str) - return -ENOMEM; - } - - s = dmi_get_system_info(DMI_PRODUCT_NAME); - tp->nummodel_str = kstrdup(s, GFP_KERNEL); - if (s && !tp->nummodel_str) - return -ENOMEM; - - return 0; -} - -static int __init probe_for_thinkpad(void) -{ - int is_thinkpad; - - if (acpi_disabled) - return -ENODEV; - - /* - * Non-ancient models have better DMI tagging, but very old models - * don't. - */ - is_thinkpad = (thinkpad_id.model_str != NULL); - - /* ec is required because many other handles are relative to it */ - TPACPI_ACPIHANDLE_INIT(ec); - if (!ec_handle) { - if (is_thinkpad) - printk(TPACPI_ERR - "Not yet supported ThinkPad detected!\n"); - return -ENODEV; - } - - /* - * Risks a regression on very old machines, but reduces potential - * false positives a damn great deal - */ - if (!is_thinkpad) - is_thinkpad = (thinkpad_id.vendor == PCI_VENDOR_ID_IBM); - - if (!is_thinkpad && !force_load) - return -ENODEV; - - return 0; -} - - -/* Module init, exit, parameters */ - -static struct ibm_init_struct ibms_init[] __initdata = { - { - .init = thinkpad_acpi_driver_init, - .data = &thinkpad_acpi_driver_data, - }, - { - .init = hotkey_init, - .data = &hotkey_driver_data, - }, - { - .init = bluetooth_init, - .data = &bluetooth_driver_data, - }, - { - .init = wan_init, - .data = &wan_driver_data, - }, -#ifdef CONFIG_THINKPAD_ACPI_VIDEO - { - .init = video_init, - .data = &video_driver_data, - }, -#endif - { - .init = light_init, - .data = &light_driver_data, - }, -#ifdef CONFIG_THINKPAD_ACPI_DOCK - { - .init = dock_init, - .data = &dock_driver_data[0], - }, - { - .init = dock_init2, - .data = &dock_driver_data[1], - }, -#endif -#ifdef CONFIG_THINKPAD_ACPI_BAY - { - .init = bay_init, - .data = &bay_driver_data, - }, -#endif - { - .init = cmos_init, - .data = &cmos_driver_data, - }, - { - .init = led_init, - .data = &led_driver_data, - }, - { - .init = beep_init, - .data = &beep_driver_data, - }, - { - .init = thermal_init, - .data = &thermal_driver_data, - }, - { - .data = &ecdump_driver_data, - }, - { - .init = brightness_init, - .data = &brightness_driver_data, - }, - { - .data = &volume_driver_data, - }, - { - .init = fan_init, - .data = &fan_driver_data, - }, -}; - -static int __init set_ibm_param(const char *val, struct kernel_param *kp) -{ - unsigned int i; - struct ibm_struct *ibm; - - if (!kp || !kp->name || !val) - return -EINVAL; - - for (i = 0; i < ARRAY_SIZE(ibms_init); i++) { - ibm = ibms_init[i].data; - WARN_ON(ibm == NULL); - - if (!ibm || !ibm->name) - continue; - - if (strcmp(ibm->name, kp->name) == 0 && ibm->write) { - if (strlen(val) > sizeof(ibms_init[i].param) - 2) - return -ENOSPC; - strcpy(ibms_init[i].param, val); - strcat(ibms_init[i].param, ","); - return 0; - } - } - - return -EINVAL; -} - -module_param(experimental, int, 0); -MODULE_PARM_DESC(experimental, - "Enables experimental features when non-zero"); - -module_param_named(debug, dbg_level, uint, 0); -MODULE_PARM_DESC(debug, "Sets debug level bit-mask"); - -module_param(force_load, bool, 0); -MODULE_PARM_DESC(force_load, - "Attempts to load the driver even on a " - "mis-identified ThinkPad when true"); - -module_param_named(fan_control, fan_control_allowed, bool, 0); -MODULE_PARM_DESC(fan_control, - "Enables setting fan parameters features when true"); - -module_param_named(brightness_mode, brightness_mode, int, 0); -MODULE_PARM_DESC(brightness_mode, - "Selects brightness control strategy: " - "0=auto, 1=EC, 2=CMOS, 3=both"); - -module_param(brightness_enable, uint, 0); -MODULE_PARM_DESC(brightness_enable, - "Enables backlight control when 1, disables when 0"); - -module_param(hotkey_report_mode, uint, 0); -MODULE_PARM_DESC(hotkey_report_mode, - "used for backwards compatibility with userspace, " - "see documentation"); - -#define TPACPI_PARAM(feature) \ - module_param_call(feature, set_ibm_param, NULL, NULL, 0); \ - MODULE_PARM_DESC(feature, "Simulates thinkpad-acpi procfs command " \ - "at module load, see documentation") - -TPACPI_PARAM(hotkey); -TPACPI_PARAM(bluetooth); -TPACPI_PARAM(video); -TPACPI_PARAM(light); -#ifdef CONFIG_THINKPAD_ACPI_DOCK -TPACPI_PARAM(dock); -#endif -#ifdef CONFIG_THINKPAD_ACPI_BAY -TPACPI_PARAM(bay); -#endif /* CONFIG_THINKPAD_ACPI_BAY */ -TPACPI_PARAM(cmos); -TPACPI_PARAM(led); -TPACPI_PARAM(beep); -TPACPI_PARAM(ecdump); -TPACPI_PARAM(brightness); -TPACPI_PARAM(volume); -TPACPI_PARAM(fan); - -static void thinkpad_acpi_module_exit(void) -{ - struct ibm_struct *ibm, *itmp; - - tpacpi_lifecycle = TPACPI_LIFE_EXITING; - - list_for_each_entry_safe_reverse(ibm, itmp, - &tpacpi_all_drivers, - all_drivers) { - ibm_exit(ibm); - } - - dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n"); - - if (tpacpi_inputdev) { - if (tp_features.input_device_registered) - input_unregister_device(tpacpi_inputdev); - else - input_free_device(tpacpi_inputdev); - } - - if (tpacpi_hwmon) - hwmon_device_unregister(tpacpi_hwmon); - - if (tp_features.sensors_pdev_attrs_registered) - device_remove_file(&tpacpi_sensors_pdev->dev, - &dev_attr_thinkpad_acpi_pdev_name); - if (tpacpi_sensors_pdev) - platform_device_unregister(tpacpi_sensors_pdev); - if (tpacpi_pdev) - platform_device_unregister(tpacpi_pdev); - - if (tp_features.sensors_pdrv_attrs_registered) - tpacpi_remove_driver_attributes(&tpacpi_hwmon_pdriver.driver); - if (tp_features.platform_drv_attrs_registered) - tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver); - - if (tp_features.sensors_pdrv_registered) - platform_driver_unregister(&tpacpi_hwmon_pdriver); - - if (tp_features.platform_drv_registered) - platform_driver_unregister(&tpacpi_pdriver); - - if (proc_dir) - remove_proc_entry(TPACPI_PROC_DIR, acpi_root_dir); - - if (tpacpi_wq) - destroy_workqueue(tpacpi_wq); - - kfree(thinkpad_id.bios_version_str); - kfree(thinkpad_id.ec_version_str); - kfree(thinkpad_id.model_str); -} - - -static int __init thinkpad_acpi_module_init(void) -{ - int ret, i; - - tpacpi_lifecycle = TPACPI_LIFE_INIT; - - /* Parameter checking */ - if (hotkey_report_mode > 2) - return -EINVAL; - - /* Driver-level probe */ - - ret = get_thinkpad_model_data(&thinkpad_id); - if (ret) { - printk(TPACPI_ERR - "unable to get DMI data: %d\n", ret); - thinkpad_acpi_module_exit(); - return ret; - } - ret = probe_for_thinkpad(); - if (ret) { - thinkpad_acpi_module_exit(); - return ret; - } - - /* Driver initialization */ - - TPACPI_ACPIHANDLE_INIT(ecrd); - TPACPI_ACPIHANDLE_INIT(ecwr); - - tpacpi_wq = create_singlethread_workqueue(TPACPI_WORKQUEUE_NAME); - if (!tpacpi_wq) { - thinkpad_acpi_module_exit(); - return -ENOMEM; - } - - proc_dir = proc_mkdir(TPACPI_PROC_DIR, acpi_root_dir); - if (!proc_dir) { - printk(TPACPI_ERR - "unable to create proc dir " TPACPI_PROC_DIR); - thinkpad_acpi_module_exit(); - return -ENODEV; - } - proc_dir->owner = THIS_MODULE; - - ret = platform_driver_register(&tpacpi_pdriver); - if (ret) { - printk(TPACPI_ERR - "unable to register main platform driver\n"); - thinkpad_acpi_module_exit(); - return ret; - } - tp_features.platform_drv_registered = 1; - - ret = platform_driver_register(&tpacpi_hwmon_pdriver); - if (ret) { - printk(TPACPI_ERR - "unable to register hwmon platform driver\n"); - thinkpad_acpi_module_exit(); - return ret; - } - tp_features.sensors_pdrv_registered = 1; - - ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver); - if (!ret) { - tp_features.platform_drv_attrs_registered = 1; - ret = tpacpi_create_driver_attributes( - &tpacpi_hwmon_pdriver.driver); - } - if (ret) { - printk(TPACPI_ERR - "unable to create sysfs driver attributes\n"); - thinkpad_acpi_module_exit(); - return ret; - } - tp_features.sensors_pdrv_attrs_registered = 1; - - - /* Device initialization */ - tpacpi_pdev = platform_device_register_simple(TPACPI_DRVR_NAME, -1, - NULL, 0); - if (IS_ERR(tpacpi_pdev)) { - ret = PTR_ERR(tpacpi_pdev); - tpacpi_pdev = NULL; - printk(TPACPI_ERR "unable to register platform device\n"); - thinkpad_acpi_module_exit(); - return ret; - } - tpacpi_sensors_pdev = platform_device_register_simple( - TPACPI_HWMON_DRVR_NAME, - -1, NULL, 0); - if (IS_ERR(tpacpi_sensors_pdev)) { - ret = PTR_ERR(tpacpi_sensors_pdev); - tpacpi_sensors_pdev = NULL; - printk(TPACPI_ERR - "unable to register hwmon platform device\n"); - thinkpad_acpi_module_exit(); - return ret; - } - ret = device_create_file(&tpacpi_sensors_pdev->dev, - &dev_attr_thinkpad_acpi_pdev_name); - if (ret) { - printk(TPACPI_ERR - "unable to create sysfs hwmon device attributes\n"); - thinkpad_acpi_module_exit(); - return ret; - } - tp_features.sensors_pdev_attrs_registered = 1; - tpacpi_hwmon = hwmon_device_register(&tpacpi_sensors_pdev->dev); - if (IS_ERR(tpacpi_hwmon)) { - ret = PTR_ERR(tpacpi_hwmon); - tpacpi_hwmon = NULL; - printk(TPACPI_ERR "unable to register hwmon device\n"); - thinkpad_acpi_module_exit(); - return ret; - } - mutex_init(&tpacpi_inputdev_send_mutex); - tpacpi_inputdev = input_allocate_device(); - if (!tpacpi_inputdev) { - printk(TPACPI_ERR "unable to allocate input device\n"); - thinkpad_acpi_module_exit(); - return -ENOMEM; - } else { - /* Prepare input device, but don't register */ - tpacpi_inputdev->name = "ThinkPad Extra Buttons"; - tpacpi_inputdev->phys = TPACPI_DRVR_NAME "/input0"; - tpacpi_inputdev->id.bustype = BUS_HOST; - tpacpi_inputdev->id.vendor = (thinkpad_id.vendor) ? - thinkpad_id.vendor : - PCI_VENDOR_ID_IBM; - tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT; - tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION; - } - for (i = 0; i < ARRAY_SIZE(ibms_init); i++) { - ret = ibm_init(&ibms_init[i]); - if (ret >= 0 && *ibms_init[i].param) - ret = ibms_init[i].data->write(ibms_init[i].param); - if (ret < 0) { - thinkpad_acpi_module_exit(); - return ret; - } - } - ret = input_register_device(tpacpi_inputdev); - if (ret < 0) { - printk(TPACPI_ERR "unable to register input device\n"); - thinkpad_acpi_module_exit(); - return ret; - } else { - tp_features.input_device_registered = 1; - } - - tpacpi_lifecycle = TPACPI_LIFE_RUNNING; - return 0; -} - -/* Please remove this in year 2009 */ -MODULE_ALIAS("ibm_acpi"); - -MODULE_ALIAS(TPACPI_DRVR_SHORTNAME); - -/* - * DMI matching for module autoloading - * - * See http://thinkwiki.org/wiki/List_of_DMI_IDs - * See http://thinkwiki.org/wiki/BIOS_Upgrade_Downloads - * - * Only models listed in thinkwiki will be supported, so add yours - * if it is not there yet. - */ -#define IBM_BIOS_MODULE_ALIAS(__type) \ - MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW") - -/* Non-ancient thinkpads */ -MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*"); -MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*"); - -/* Ancient thinkpad BIOSes have to be identified by - * BIOS type or model number, and there are far less - * BIOS types than model numbers... */ -IBM_BIOS_MODULE_ALIAS("I[B,D,H,I,M,N,O,T,W,V,Y,Z]"); -IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]"); -IBM_BIOS_MODULE_ALIAS("K[U,X-Z]"); - -MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh"); -MODULE_DESCRIPTION(TPACPI_DESC); -MODULE_VERSION(TPACPI_VERSION); -MODULE_LICENSE("GPL"); - -module_init(thinkpad_acpi_module_init); -module_exit(thinkpad_acpi_module_exit); |