diff options
Diffstat (limited to 'drivers')
23 files changed, 4754 insertions, 1215 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 222dfb737b1..2ee442c2a5d 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -101,6 +101,19 @@ config DELL_WMI To compile this driver as a module, choose M here: the module will be called dell-wmi. +config DELL_WMI_AIO + tristate "WMI Hotkeys for Dell All-In-One series" + depends on ACPI_WMI + depends on INPUT + select INPUT_SPARSEKMAP + ---help--- + Say Y here if you want to support WMI-based hotkeys on Dell + All-In-One machines. + + To compile this driver as a module, choose M here: the module will + be called dell-wmi. + + config FUJITSU_LAPTOP tristate "Fujitsu Laptop Extras" depends on ACPI @@ -438,23 +451,53 @@ config EEEPC_LAPTOP Bluetooth, backlight and allows powering on/off some other devices. - If you have an Eee PC laptop, say Y or M here. + If you have an Eee PC laptop, say Y or M here. If this driver + doesn't work on your Eee PC, try eeepc-wmi instead. -config EEEPC_WMI - tristate "Eee PC WMI Hotkey Driver (EXPERIMENTAL)" +config ASUS_WMI + tristate "ASUS WMI Driver (EXPERIMENTAL)" depends on ACPI_WMI depends on INPUT + depends on HWMON depends on EXPERIMENTAL depends on BACKLIGHT_CLASS_DEVICE depends on RFKILL || RFKILL = n + depends on HOTPLUG_PCI select INPUT_SPARSEKMAP select LEDS_CLASS select NEW_LEDS ---help--- - Say Y here if you want to support WMI-based hotkeys on Eee PC laptops. + Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new + Asus Notebooks). To compile this driver as a module, choose M here: the module will - be called eeepc-wmi. + be called asus-wmi. + +config ASUS_NB_WMI + tristate "Asus Notebook WMI Driver (EXPERIMENTAL)" + depends on ASUS_WMI + ---help--- + This is a driver for newer Asus notebooks. It adds extra features + like wireless radio and bluetooth control, leds, hotkeys, backlight... + + For more informations, see + <file:Documentation/ABI/testing/sysfs-platform-asus-wmi> + + If you have an ACPI-WMI compatible Asus Notebook, say Y or M + here. + +config EEEPC_WMI + tristate "Eee PC WMI Driver (EXPERIMENTAL)" + depends on ASUS_WMI + ---help--- + This is a driver for newer Eee PC laptops. It adds extra features + like wireless radio and bluetooth control, leds, hotkeys, backlight... + + For more informations, see + <file:Documentation/ABI/testing/sysfs-platform-asus-wmi> + + If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M + here. config ACPI_WMI tristate "WMI" @@ -616,6 +659,21 @@ config GPIO_INTEL_PMIC Say Y here to support GPIO via the SCU IPC interface on Intel MID platforms. +config INTEL_MID_POWER_BUTTON + tristate "power button driver for Intel MID platforms" + depends on INTEL_SCU_IPC && INPUT + help + This driver handles the power button on the Intel MID platforms. + + If unsure, say N. + +config INTEL_MFLD_THERMAL + tristate "Thermal driver for Intel Medfield platform" + depends on INTEL_SCU_IPC && THERMAL + help + Say Y here to enable thermal driver support for the Intel Medfield + platform. + config RAR_REGISTER bool "Restricted Access Region Register Driver" depends on PCI && X86_MRST @@ -672,4 +730,26 @@ config XO1_RFKILL Support for enabling/disabling the WLAN interface on the OLPC XO-1 laptop. +config XO15_EBOOK + tristate "OLPC XO-1.5 ebook switch" + depends on ACPI && INPUT + ---help--- + Support for the ebook switch on the OLPC XO-1.5 laptop. + + This switch is triggered as the screen is rotated and folded down to + convert the device into ebook form. + +config SAMSUNG_LAPTOP + tristate "Samsung Laptop driver" + depends on RFKILL && BACKLIGHT_CLASS_DEVICE && X86 + ---help--- + This module implements a driver for a wide range of different + Samsung laptops. It offers control over the different + function keys, wireless LED, LCD backlight level, and + sometimes provides a "performance_control" sysfs file to allow + the performance level of the laptop to be changed. + + To compile this driver as a module, choose M here: the module + will be called samsung-laptop. + endif # X86_PLATFORM_DEVICES diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index 299aefb3e74..029e8861d08 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -3,6 +3,8 @@ # x86 Platform-Specific Drivers # obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o +obj-$(CONFIG_ASUS_WMI) += asus-wmi.o +obj-$(CONFIG_ASUS_NB_WMI) += asus-nb-wmi.o obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o obj-$(CONFIG_EEEPC_WMI) += eeepc-wmi.o obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o @@ -10,6 +12,7 @@ obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o obj-$(CONFIG_DELL_WMI) += dell-wmi.o +obj-$(CONFIG_DELL_WMI_AIO) += dell-wmi-aio.o obj-$(CONFIG_ACER_WMI) += acer-wmi.o obj-$(CONFIG_ACERHDF) += acerhdf.o obj-$(CONFIG_HP_ACCEL) += hp_accel.o @@ -29,9 +32,13 @@ obj-$(CONFIG_TOPSTAR_LAPTOP) += topstar-laptop.o obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o -obj-$(CONFIG_INTEL_SCU_IPC_UTIL)+= intel_scu_ipcutil.o +obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o +obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o obj-$(CONFIG_RAR_REGISTER) += intel_rar_register.o obj-$(CONFIG_INTEL_IPS) += intel_ips.o obj-$(CONFIG_GPIO_INTEL_PMIC) += intel_pmic_gpio.o obj-$(CONFIG_XO1_RFKILL) += xo1-rfkill.o +obj-$(CONFIG_XO15_EBOOK) += xo15-ebook.o obj-$(CONFIG_IBM_RTL) += ibm_rtl.o +obj-$(CONFIG_SAMSUNG_LAPTOP) += samsung-laptop.o +obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index c9784705f6a..5ea6c3477d1 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -22,6 +22,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -46,12 +48,6 @@ 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 -#define ACER_WARNING KERN_WARNING ACER_LOGPREFIX - /* * Magic Number * Meaning is unknown - this number is required for writing to ACPI for AMW0 @@ -84,7 +80,7 @@ MODULE_LICENSE("GPL"); #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" +#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A" #define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" /* @@ -93,7 +89,7 @@ MODULE_LICENSE("GPL"); #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026" MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB"); -MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"); +MODULE_ALIAS("wmi:6AF4F258-B401-42Fd-BE91-3D4AC2D7C0D3"); MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026"); enum acer_wmi_event_ids { @@ -108,7 +104,7 @@ static const struct key_entry acer_wmi_keymap[] = { {KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */ {KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */ {KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */ - {KE_KEY, 0x82, {KEY_F22} }, /* Touch Pad On/Off */ + {KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad On/Off */ {KE_END, 0} }; @@ -221,6 +217,7 @@ struct acer_debug { static struct rfkill *wireless_rfkill; static struct rfkill *bluetooth_rfkill; static struct rfkill *threeg_rfkill; +static bool rfkill_inited; /* Each low-level interface must define at least some of the following */ struct wmi_interface { @@ -845,7 +842,7 @@ static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy) has_type_aa = true; type_aa = (struct hotkey_function_type_aa *) header; - printk(ACER_INFO "Function bitmap for Communication Button: 0x%x\n", + pr_info("Function bitmap for Communication Button: 0x%x\n", type_aa->commun_func_bitmap); if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS) @@ -991,6 +988,7 @@ static int __devinit acer_led_init(struct device *dev) static void acer_led_exit(void) { + set_u32(LED_OFF, ACER_CAP_MAILLED); led_classdev_unregister(&mail_led); } @@ -1036,7 +1034,7 @@ static int __devinit acer_backlight_init(struct device *dev) bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, &props); if (IS_ERR(bd)) { - printk(ACER_ERR "Could not register Acer backlight device\n"); + pr_err("Could not register Acer backlight device\n"); acer_backlight_device = NULL; return PTR_ERR(bd); } @@ -1083,8 +1081,7 @@ static acpi_status wmid3_get_device_status(u32 *value, u16 device) return AE_ERROR; } if (obj->buffer.length != 8) { - printk(ACER_WARNING "Unknown buffer length %d\n", - obj->buffer.length); + pr_warning("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return AE_ERROR; } @@ -1093,7 +1090,7 @@ static acpi_status wmid3_get_device_status(u32 *value, u16 device) kfree(obj); if (return_value.error_code || return_value.ec_return_value) - printk(ACER_WARNING "Get Device Status failed: " + pr_warning("Get Device Status failed: " "0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); else @@ -1161,9 +1158,13 @@ static int acer_rfkill_set(void *data, bool blocked) { acpi_status status; u32 cap = (unsigned long)data; - status = set_u32(!blocked, cap); - if (ACPI_FAILURE(status)) - return -ENODEV; + + if (rfkill_inited) { + status = set_u32(!blocked, cap); + if (ACPI_FAILURE(status)) + return -ENODEV; + } + return 0; } @@ -1187,14 +1188,16 @@ static struct rfkill *acer_rfkill_register(struct device *dev, return ERR_PTR(-ENOMEM); status = get_device_status(&state, cap); - if (ACPI_SUCCESS(status)) - rfkill_init_sw_state(rfkill_dev, !state); err = rfkill_register(rfkill_dev); if (err) { rfkill_destroy(rfkill_dev); return ERR_PTR(err); } + + if (ACPI_SUCCESS(status)) + rfkill_set_sw_state(rfkill_dev, !state); + return rfkill_dev; } @@ -1229,14 +1232,19 @@ static int acer_rfkill_init(struct device *dev) } } - schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); + rfkill_inited = true; + + if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) + 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); + if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) + cancel_delayed_work_sync(&acer_rfkill_work); rfkill_unregister(wireless_rfkill); rfkill_destroy(wireless_rfkill); @@ -1309,7 +1317,7 @@ static void acer_wmi_notify(u32 value, void *context) status = wmi_get_event_data(value, &response); if (status != AE_OK) { - printk(ACER_WARNING "bad event status 0x%x\n", status); + pr_warning("bad event status 0x%x\n", status); return; } @@ -1318,14 +1326,12 @@ static void acer_wmi_notify(u32 value, void *context) if (!obj) return; if (obj->type != ACPI_TYPE_BUFFER) { - printk(ACER_WARNING "Unknown response received %d\n", - obj->type); + pr_warning("Unknown response received %d\n", obj->type); kfree(obj); return; } if (obj->buffer.length != 8) { - printk(ACER_WARNING "Unknown buffer length %d\n", - obj->buffer.length); + pr_warning("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return; } @@ -1335,13 +1341,26 @@ static void acer_wmi_notify(u32 value, void *context) switch (return_value.function) { case WMID_HOTKEY_EVENT: + if (return_value.device_state) { + u16 device_state = return_value.device_state; + pr_debug("deivces states: 0x%x\n", device_state); + if (has_cap(ACER_CAP_WIRELESS)) + rfkill_set_sw_state(wireless_rfkill, + !(device_state & ACER_WMID3_GDS_WIRELESS)); + if (has_cap(ACER_CAP_BLUETOOTH)) + rfkill_set_sw_state(bluetooth_rfkill, + !(device_state & ACER_WMID3_GDS_BLUETOOTH)); + if (has_cap(ACER_CAP_THREEG)) + rfkill_set_sw_state(threeg_rfkill, + !(device_state & ACER_WMID3_GDS_THREEG)); + } if (!sparse_keymap_report_event(acer_wmi_input_dev, return_value.key_num, 1, true)) - printk(ACER_WARNING "Unknown key number - 0x%x\n", + pr_warning("Unknown key number - 0x%x\n", return_value.key_num); break; default: - printk(ACER_WARNING "Unknown function number - %d - %d\n", + pr_warning("Unknown function number - %d - %d\n", return_value.function, return_value.key_num); break; } @@ -1370,8 +1389,7 @@ wmid3_set_lm_mode(struct lm_input_params *params, return AE_ERROR; } if (obj->buffer.length != 4) { - printk(ACER_WARNING "Unknown buffer length %d\n", - obj->buffer.length); + pr_warning("Unknown buffer length %d\n", obj->buffer.length); kfree(obj); return AE_ERROR; } @@ -1396,11 +1414,11 @@ static int acer_wmi_enable_ec_raw(void) status = wmid3_set_lm_mode(¶ms, &return_value); if (return_value.error_code || return_value.ec_return_value) - printk(ACER_WARNING "Enabling EC raw mode failed: " + pr_warning("Enabling EC raw mode failed: " "0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); else - printk(ACER_INFO "Enabled EC raw mode"); + pr_info("Enabled EC raw mode"); return status; } @@ -1419,7 +1437,7 @@ static int acer_wmi_enable_lm(void) status = wmid3_set_lm_mode(¶ms, &return_value); if (return_value.error_code || return_value.ec_return_value) - printk(ACER_WARNING "Enabling Launch Manager failed: " + pr_warning("Enabling Launch Manager failed: " "0x%x - 0x%x\n", return_value.error_code, return_value.ec_return_value); @@ -1553,6 +1571,7 @@ pm_message_t state) if (has_cap(ACER_CAP_MAILLED)) { get_u32(&value, ACER_CAP_MAILLED); + set_u32(LED_OFF, ACER_CAP_MAILLED); data->mailled = value; } @@ -1580,6 +1599,17 @@ static int acer_platform_resume(struct platform_device *device) return 0; } +static void acer_platform_shutdown(struct platform_device *device) +{ + struct acer_data *data = &interface->data; + + if (!data) + return; + + if (has_cap(ACER_CAP_MAILLED)) + set_u32(LED_OFF, ACER_CAP_MAILLED); +} + static struct platform_driver acer_platform_driver = { .driver = { .name = "acer-wmi", @@ -1589,6 +1619,7 @@ static struct platform_driver acer_platform_driver = { .remove = acer_platform_remove, .suspend = acer_platform_suspend, .resume = acer_platform_resume, + .shutdown = acer_platform_shutdown, }; static struct platform_device *acer_platform_device; @@ -1636,7 +1667,7 @@ 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"); + pr_err("Failed to create debugfs directory"); return -ENOMEM; } @@ -1657,11 +1688,10 @@ static int __init acer_wmi_init(void) { int err; - printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n"); + pr_info("Acer Laptop ACPI-WMI Extras\n"); if (dmi_check_system(acer_blacklist)) { - printk(ACER_INFO "Blacklisted hardware detected - " - "not loading\n"); + pr_info("Blacklisted hardware detected - not loading\n"); return -ENODEV; } @@ -1678,12 +1708,11 @@ static int __init acer_wmi_init(void) if (wmi_has_guid(WMID_GUID2) && interface) { if (ACPI_FAILURE(WMID_set_capabilities())) { - printk(ACER_ERR "Unable to detect available WMID " - "devices\n"); + pr_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"); + pr_err("No WMID device detection method found\n"); return -ENODEV; } @@ -1691,8 +1720,7 @@ static int __init acer_wmi_init(void) interface = &AMW0_interface; if (ACPI_FAILURE(AMW0_set_capabilities())) { - printk(ACER_ERR "Unable to detect available AMW0 " - "devices\n"); + pr_err("Unable to detect available AMW0 devices\n"); return -ENODEV; } } @@ -1701,8 +1729,7 @@ static int __init acer_wmi_init(void) AMW0_find_mailled(); if (!interface) { - printk(ACER_INFO "No or unsupported WMI interface, unable to " - "load\n"); + pr_err("No or unsupported WMI interface, unable to load\n"); return -ENODEV; } @@ -1710,22 +1737,22 @@ static int __init acer_wmi_init(void) if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { interface->capability &= ~ACER_CAP_BRIGHTNESS; - printk(ACER_INFO "Brightness must be controlled by " + pr_info("Brightness must be controlled by " "generic video driver\n"); } if (wmi_has_guid(WMID_GUID3)) { if (ec_raw_mode) { if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) { - printk(ACER_ERR "Cannot enable EC raw mode\n"); + pr_err("Cannot enable EC raw mode\n"); return -ENODEV; } } else if (ACPI_FAILURE(acer_wmi_enable_lm())) { - printk(ACER_ERR "Cannot enable Launch Manager mode\n"); + pr_err("Cannot enable Launch Manager mode\n"); return -ENODEV; } } else if (ec_raw_mode) { - printk(ACER_INFO "No WMID EC raw mode enable method\n"); + pr_info("No WMID EC raw mode enable method\n"); } if (wmi_has_guid(ACERWMID_EVENT_GUID)) { @@ -1736,7 +1763,7 @@ static int __init acer_wmi_init(void) err = platform_driver_register(&acer_platform_driver); if (err) { - printk(ACER_ERR "Unable to register platform driver.\n"); + pr_err("Unable to register platform driver.\n"); goto error_platform_register; } @@ -1791,7 +1818,7 @@ static void __exit acer_wmi_exit(void) platform_device_unregister(acer_platform_device); platform_driver_unregister(&acer_platform_driver); - printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n"); + pr_info("Acer Laptop WMI Extras unloaded\n"); return; } diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 5a6f7d7575d..c53b3ff7978 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -29,7 +29,7 @@ * 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 + * Thomas Tuttle - His first patch for led support was very helpful * Sam Lin - GPS support */ @@ -50,6 +50,7 @@ #include <linux/input/sparse-keymap.h> #include <linux/rfkill.h> #include <linux/slab.h> +#include <linux/dmi.h> #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> @@ -157,46 +158,9 @@ MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot " #define METHOD_BRIGHTNESS_SET "SPLV" #define METHOD_BRIGHTNESS_GET "GPLV" -/* Backlight */ -static acpi_handle lcd_switch_handle; -static char *lcd_switch_paths[] = { - "\\_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 */ #define METHOD_SWITCH_DISPLAY "SDSP" -static acpi_handle display_get_handle; -static char *display_get_paths[] = { - /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */ - "\\_SB.PCI0.P0P1.VGA.GETD", - /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */ - "\\_SB.PCI0.P0P2.VGA.GETD", - /* A6V A6Q */ - "\\_SB.PCI0.P0P3.VGA.GETD", - /* A6T, A6M */ - "\\_SB.PCI0.P0PA.VGA.GETD", - /* L3C */ - "\\_SB.PCI0.PCI1.VGAC.NMAP", - /* Z96F */ - "\\_SB.PCI0.VGA.GETD", - /* A2D */ - "\\ACTD", - /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */ - "\\ADVG", - /* P30 */ - "\\DNXT", - /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */ - "\\INFB", - /* A3F A6F A3N A3L M6N W3N W6A */ - "\\SSTE"}; - #define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */ #define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */ @@ -246,7 +210,6 @@ struct asus_laptop { int wireless_status; bool have_rsts; - int lcd_state; struct rfkill *gps_rfkill; @@ -559,48 +522,6 @@ error: /* * Backlight device */ -static int asus_lcd_status(struct asus_laptop *asus) -{ - return asus->lcd_state; -} - -static int asus_lcd_set(struct asus_laptop *asus, int value) -{ - int lcd = 0; - acpi_status status = 0; - - lcd = !!value; - - if (lcd == asus_lcd_status(asus)) - return 0; - - if (!lcd_switch_handle) - return -ENODEV; - - status = acpi_evaluate_object(lcd_switch_handle, - NULL, NULL, NULL); - - if (ACPI_FAILURE(status)) { - pr_warning("Error switching LCD\n"); - return -ENODEV; - } - - asus->lcd_state = lcd; - return 0; -} - -static void lcd_blank(struct asus_laptop *asus, int blank) -{ - struct backlight_device *bd = asus->backlight_device; - - asus->lcd_state = (blank == FB_BLANK_UNBLANK); - - if (bd) { - bd->props.power = blank; - backlight_update_status(bd); - } -} - static int asus_read_brightness(struct backlight_device *bd) { struct asus_laptop *asus = bl_get_data(bd); @@ -628,16 +549,9 @@ static int asus_set_brightness(struct backlight_device *bd, int value) static int update_bl_status(struct backlight_device *bd) { - struct asus_laptop *asus = bl_get_data(bd); - int rv; int value = bd->props.brightness; - rv = asus_set_brightness(bd, value); - if (rv) - return rv; - - value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0; - return asus_lcd_set(asus, value); + return asus_set_brightness(bd, value); } static const struct backlight_ops asusbl_ops = { @@ -661,8 +575,7 @@ static int asus_backlight_init(struct asus_laptop *asus) struct backlight_properties props; if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) || - acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) || - !lcd_switch_handle) + acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL)) return 0; memset(&props, 0, sizeof(struct backlight_properties)); @@ -971,41 +884,6 @@ static void asus_set_display(struct asus_laptop *asus, int value) return; } -static int read_display(struct asus_laptop *asus) -{ - 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)) - pr_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) -{ - struct asus_laptop *asus = dev_get_drvdata(dev); - - if (!display_get_handle) - return -ENODEV; - return sprintf(buf, "%d\n", read_display(asus)); -} - /* * 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. @@ -1247,15 +1125,6 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event) struct asus_laptop *asus = acpi_driver_data(device); u16 count; - /* - * We need to tell the backlight device when the backlight power is - * switched - */ - if (event == ATKD_LCD_ON) - lcd_blank(asus, FB_BLANK_UNBLANK); - else if (event == ATKD_LCD_OFF) - lcd_blank(asus, FB_BLANK_POWERDOWN); - /* TODO Find a better way to handle events count. */ count = asus->event_count[event % 128]++; acpi_bus_generate_proc_event(asus->device, event, count); @@ -1282,7 +1151,7 @@ static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth, store_bluetooth); static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax); static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan); -static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp); +static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp); static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd); static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl); static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw); @@ -1393,26 +1262,6 @@ static struct platform_driver platform_driver = { } }; -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 context with right values. In this * method, we can make all the detection we want, and modify the asus_laptop @@ -1498,10 +1347,6 @@ static int asus_laptop_get_info(struct asus_laptop *asus) if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) asus->have_rsts = true; - /* Scheduled for removal */ - ASUS_HANDLE_INIT(lcd_switch); - ASUS_HANDLE_INIT(display_get); - kfree(model); return AE_OK; @@ -1553,10 +1398,23 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus) asus_als_level(asus, asus->light_level); } - asus->lcd_state = 1; /* LCD should be on when the module load */ return result; } +static void __devinit asus_dmi_check(void) +{ + const char *model; + + model = dmi_get_system_info(DMI_PRODUCT_NAME); + if (!model) + return; + + /* On L1400B WLED control the sound card, don't mess with it ... */ + if (strncmp(model, "L1400B", 6) == 0) { + wlan_status = -1; + } +} + static bool asus_device_present; static int __devinit asus_acpi_add(struct acpi_device *device) @@ -1575,6 +1433,8 @@ static int __devinit asus_acpi_add(struct acpi_device *device) device->driver_data = asus; asus->device = device; + asus_dmi_check(); + result = asus_acpi_init(asus); if (result) goto fail_platform; diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c new file mode 100644 index 00000000000..0580d99b079 --- /dev/null +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -0,0 +1,98 @@ +/* + * Asus Notebooks WMI hotkey driver + * + * Copyright(C) 2010 Corentin Chary <corentin.chary@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 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/input/sparse-keymap.h> + +#include "asus-wmi.h" + +#define ASUS_NB_WMI_FILE "asus-nb-wmi" + +MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>"); +MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver"); +MODULE_LICENSE("GPL"); + +#define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C" + +MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID); + +static const struct key_entry asus_nb_wmi_keymap[] = { + { KE_KEY, 0x30, { KEY_VOLUMEUP } }, + { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, + { KE_KEY, 0x32, { KEY_MUTE } }, + { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */ + { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */ + { KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, + { KE_KEY, 0x41, { KEY_NEXTSONG } }, + { KE_KEY, 0x43, { KEY_STOPCD } }, + { KE_KEY, 0x45, { KEY_PLAYPAUSE } }, + { KE_KEY, 0x4c, { KEY_MEDIA } }, + { KE_KEY, 0x50, { KEY_EMAIL } }, + { KE_KEY, 0x51, { KEY_WWW } }, + { KE_KEY, 0x55, { KEY_CALC } }, + { KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */ + { KE_KEY, 0x5D, { KEY_WLAN } }, + { KE_KEY, 0x5E, { KEY_WLAN } }, + { KE_KEY, 0x5F, { KEY_WLAN } }, + { KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, + { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, + { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, + { KE_KEY, 0x82, { KEY_CAMERA } }, + { KE_KEY, 0x88, { KEY_RFKILL } }, + { KE_KEY, 0x8A, { KEY_PROG1 } }, + { KE_KEY, 0x95, { KEY_MEDIA } }, + { KE_KEY, 0x99, { KEY_PHONE } }, + { KE_KEY, 0xb5, { KEY_CALC } }, + { KE_KEY, 0xc4, { KEY_KBDILLUMUP } }, + { KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } }, + { KE_END, 0}, +}; + +static struct asus_wmi_driver asus_nb_wmi_driver = { + .name = ASUS_NB_WMI_FILE, + .owner = THIS_MODULE, + .event_guid = ASUS_NB_WMI_EVENT_GUID, + .keymap = asus_nb_wmi_keymap, + .input_name = "Asus WMI hotkeys", + .input_phys = ASUS_NB_WMI_FILE "/input0", +}; + + +static int __init asus_nb_wmi_init(void) +{ + return asus_wmi_register_driver(&asus_nb_wmi_driver); +} + +static void __exit asus_nb_wmi_exit(void) +{ + asus_wmi_unregister_driver(&asus_nb_wmi_driver); +} + +module_init(asus_nb_wmi_init); +module_exit(asus_nb_wmi_exit); diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c new file mode 100644 index 00000000000..efc776cb0c6 --- /dev/null +++ b/drivers/platform/x86/asus-wmi.c @@ -0,0 +1,1656 @@ +/* + * Asus PC WMI hotkey driver + * + * Copyright(C) 2010 Intel Corporation. + * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.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 + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/input/sparse-keymap.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/leds.h> +#include <linux/rfkill.h> +#include <linux/pci.h> +#include <linux/pci_hotplug.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/platform_device.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> + +#include "asus-wmi.h" + +MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>, " + "Yong Wang <yong.y.wang@intel.com>"); +MODULE_DESCRIPTION("Asus Generic WMI Driver"); +MODULE_LICENSE("GPL"); + +#define to_platform_driver(drv) \ + (container_of((drv), struct platform_driver, driver)) + +#define to_asus_wmi_driver(pdrv) \ + (container_of((pdrv), struct asus_wmi_driver, platform_driver)) + +#define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66" + +#define NOTIFY_BRNUP_MIN 0x11 +#define NOTIFY_BRNUP_MAX 0x1f +#define NOTIFY_BRNDOWN_MIN 0x20 +#define NOTIFY_BRNDOWN_MAX 0x2e + +/* WMI Methods */ +#define ASUS_WMI_METHODID_SPEC 0x43455053 /* BIOS SPECification */ +#define ASUS_WMI_METHODID_SFBD 0x44424653 /* Set First Boot Device */ +#define ASUS_WMI_METHODID_GLCD 0x44434C47 /* Get LCD status */ +#define ASUS_WMI_METHODID_GPID 0x44495047 /* Get Panel ID?? (Resol) */ +#define ASUS_WMI_METHODID_QMOD 0x444F4D51 /* Quiet MODe */ +#define ASUS_WMI_METHODID_SPLV 0x4C425053 /* Set Panel Light Value */ +#define ASUS_WMI_METHODID_SFUN 0x4E554653 /* FUNCtionalities */ +#define ASUS_WMI_METHODID_SDSP 0x50534453 /* Set DiSPlay output */ +#define ASUS_WMI_METHODID_GDSP 0x50534447 /* Get DiSPlay output */ +#define ASUS_WMI_METHODID_DEVP 0x50564544 /* DEVice Policy */ +#define ASUS_WMI_METHODID_OSVR 0x5256534F /* OS VeRsion */ +#define ASUS_WMI_METHODID_DSTS 0x53544344 /* Device STatuS */ +#define ASUS_WMI_METHODID_DSTS2 0x53545344 /* Device STatuS #2*/ +#define ASUS_WMI_METHODID_BSTS 0x53545342 /* Bios STatuS ? */ +#define ASUS_WMI_METHODID_DEVS 0x53564544 /* DEVice Set */ +#define ASUS_WMI_METHODID_CFVS 0x53564643 /* CPU Frequency Volt Set */ +#define ASUS_WMI_METHODID_KBFT 0x5446424B /* KeyBoard FilTer */ +#define ASUS_WMI_METHODID_INIT 0x54494E49 /* INITialize */ +#define ASUS_WMI_METHODID_HKEY 0x59454B48 /* Hot KEY ?? */ + +#define ASUS_WMI_UNSUPPORTED_METHOD 0xFFFFFFFE + +/* Wireless */ +#define ASUS_WMI_DEVID_HW_SWITCH 0x00010001 +#define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002 +#define ASUS_WMI_DEVID_WLAN 0x00010011 +#define ASUS_WMI_DEVID_BLUETOOTH 0x00010013 +#define ASUS_WMI_DEVID_GPS 0x00010015 +#define ASUS_WMI_DEVID_WIMAX 0x00010017 +#define ASUS_WMI_DEVID_WWAN3G 0x00010019 +#define ASUS_WMI_DEVID_UWB 0x00010021 + +/* Leds */ +/* 0x000200XX and 0x000400XX */ + +/* Backlight and Brightness */ +#define ASUS_WMI_DEVID_BACKLIGHT 0x00050011 +#define ASUS_WMI_DEVID_BRIGHTNESS 0x00050012 +#define ASUS_WMI_DEVID_KBD_BACKLIGHT 0x00050021 +#define ASUS_WMI_DEVID_LIGHT_SENSOR 0x00050022 /* ?? */ + +/* Misc */ +#define ASUS_WMI_DEVID_CAMERA 0x00060013 + +/* Storage */ +#define ASUS_WMI_DEVID_CARDREADER 0x00080013 + +/* Input */ +#define ASUS_WMI_DEVID_TOUCHPAD 0x00100011 +#define ASUS_WMI_DEVID_TOUCHPAD_LED 0x00100012 + +/* Fan, Thermal */ +#define ASUS_WMI_DEVID_THERMAL_CTRL 0x00110011 +#define ASUS_WMI_DEVID_FAN_CTRL 0x00110012 + +/* Power */ +#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012 + +/* DSTS masks */ +#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001 +#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002 +#define ASUS_WMI_DSTS_PRESENCE_BIT 0x00010000 +#define ASUS_WMI_DSTS_USER_BIT 0x00020000 +#define ASUS_WMI_DSTS_BIOS_BIT 0x00040000 +#define ASUS_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF +#define ASUS_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00 + +struct bios_args { + u32 arg0; + u32 arg1; +} __packed; + +/* + * <platform>/ - debugfs root directory + * dev_id - current dev_id + * ctrl_param - current ctrl_param + * method_id - current method_id + * devs - call DEVS(dev_id, ctrl_param) and print result + * dsts - call DSTS(dev_id) and print result + * call - call method_id(dev_id, ctrl_param) and print result + */ +struct asus_wmi_debug { + struct dentry *root; + u32 method_id; + u32 dev_id; + u32 ctrl_param; +}; + +struct asus_rfkill { + struct asus_wmi *asus; + struct rfkill *rfkill; + u32 dev_id; +}; + +struct asus_wmi { + int dsts_id; + int spec; + int sfun; + + struct input_dev *inputdev; + struct backlight_device *backlight_device; + struct device *hwmon_device; + struct platform_device *platform_device; + + struct led_classdev tpd_led; + int tpd_led_wk; + struct workqueue_struct *led_workqueue; + struct work_struct tpd_led_work; + + struct asus_rfkill wlan; + struct asus_rfkill bluetooth; + struct asus_rfkill wimax; + struct asus_rfkill wwan3g; + + struct hotplug_slot *hotplug_slot; + struct mutex hotplug_lock; + struct mutex wmi_lock; + struct workqueue_struct *hotplug_workqueue; + struct work_struct hotplug_work; + + struct asus_wmi_debug debug; + + struct asus_wmi_driver *driver; +}; + +static int asus_wmi_input_init(struct asus_wmi *asus) +{ + int err; + + asus->inputdev = input_allocate_device(); + if (!asus->inputdev) + return -ENOMEM; + + asus->inputdev->name = asus->driver->input_phys; + asus->inputdev->phys = asus->driver->input_name; + asus->inputdev->id.bustype = BUS_HOST; + asus->inputdev->dev.parent = &asus->platform_device->dev; + + err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL); + if (err) + goto err_free_dev; + + err = input_register_device(asus->inputdev); + if (err) + goto err_free_keymap; + + return 0; + +err_free_keymap: + sparse_keymap_free(asus->inputdev); +err_free_dev: + input_free_device(asus->inputdev); + return err; +} + +static void asus_wmi_input_exit(struct asus_wmi *asus) +{ + if (asus->inputdev) { + sparse_keymap_free(asus->inputdev); + input_unregister_device(asus->inputdev); + } + + asus->inputdev = NULL; +} + +static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, + u32 *retval) +{ + struct bios_args args = { + .arg0 = arg0, + .arg1 = arg1, + }; + struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; + struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + acpi_status status; + union acpi_object *obj; + u32 tmp; + + status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id, + &input, &output); + + if (ACPI_FAILURE(status)) + goto exit; + + obj = (union acpi_object *)output.pointer; + if (obj && obj->type == ACPI_TYPE_INTEGER) + tmp = (u32) obj->integer.value; + else + tmp = 0; + + if (retval) + *retval = tmp; + + kfree(obj); + +exit: + if (ACPI_FAILURE(status)) + return -EIO; + + if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) + return -ENODEV; + + return 0; +} + +static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval) +{ + return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); +} + +static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param, + u32 *retval) +{ + return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id, + ctrl_param, retval); +} + +/* Helper for special devices with magic return codes */ +static int asus_wmi_get_devstate_bits(struct asus_wmi *asus, + u32 dev_id, u32 mask) +{ + u32 retval = 0; + int err; + + err = asus_wmi_get_devstate(asus, dev_id, &retval); + + if (err < 0) + return err; + + if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT)) + return -ENODEV; + + if (mask == ASUS_WMI_DSTS_STATUS_BIT) { + if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT) + return -ENODEV; + } + + return retval & mask; +} + +static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id) +{ + return asus_wmi_get_devstate_bits(asus, dev_id, + ASUS_WMI_DSTS_STATUS_BIT); +} + +/* + * LEDs + */ +/* + * 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 void tpd_led_update(struct work_struct *work) +{ + int ctrl_param; + struct asus_wmi *asus; + + asus = container_of(work, struct asus_wmi, tpd_led_work); + + ctrl_param = asus->tpd_led_wk; + asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL); +} + +static void tpd_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct asus_wmi *asus; + + asus = container_of(led_cdev, struct asus_wmi, tpd_led); + + asus->tpd_led_wk = !!value; + queue_work(asus->led_workqueue, &asus->tpd_led_work); +} + +static int read_tpd_led_state(struct asus_wmi *asus) +{ + return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED); +} + +static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) +{ + struct asus_wmi *asus; + + asus = container_of(led_cdev, struct asus_wmi, tpd_led); + + return read_tpd_led_state(asus); +} + +static int asus_wmi_led_init(struct asus_wmi *asus) +{ + int rv; + + if (read_tpd_led_state(asus) < 0) + return 0; + + asus->led_workqueue = create_singlethread_workqueue("led_workqueue"); + if (!asus->led_workqueue) + return -ENOMEM; + INIT_WORK(&asus->tpd_led_work, tpd_led_update); + + asus->tpd_led.name = "asus::touchpad"; + asus->tpd_led.brightness_set = tpd_led_set; + asus->tpd_led.brightness_get = tpd_led_get; + asus->tpd_led.max_brightness = 1; + + rv = led_classdev_register(&asus->platform_device->dev, &asus->tpd_led); + if (rv) { + destroy_workqueue(asus->led_workqueue); + return rv; + } + + return 0; +} + +static void asus_wmi_led_exit(struct asus_wmi *asus) +{ + if (asus->tpd_led.dev) + led_classdev_unregister(&asus->tpd_led); + if (asus->led_workqueue) + destroy_workqueue(asus->led_workqueue); +} + +/* + * PCI hotplug (for wlan rfkill) + */ +static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus) +{ + int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); + + if (result < 0) + return false; + return !result; +} + +static void asus_rfkill_hotplug(struct asus_wmi *asus) +{ + struct pci_dev *dev; + struct pci_bus *bus; + bool blocked; + bool absent; + u32 l; + + mutex_lock(&asus->wmi_lock); + blocked = asus_wlan_rfkill_blocked(asus); + mutex_unlock(&asus->wmi_lock); + + mutex_lock(&asus->hotplug_lock); + + if (asus->wlan.rfkill) + rfkill_set_sw_state(asus->wlan.rfkill, blocked); + + if (asus->hotplug_slot) { + bus = pci_find_bus(0, 1); + if (!bus) { + pr_warning("Unable to find PCI bus 1?\n"); + goto out_unlock; + } + + if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { + pr_err("Unable to read PCI config space?\n"); + goto out_unlock; + } + absent = (l == 0xffffffff); + + if (blocked != absent) { + pr_warning("BIOS says wireless lan is %s, " + "but the pci device is %s\n", + blocked ? "blocked" : "unblocked", + absent ? "absent" : "present"); + pr_warning("skipped wireless hotplug as probably " + "inappropriate for this model\n"); + goto out_unlock; + } + + if (!blocked) { + dev = pci_get_slot(bus, 0); + if (dev) { + /* Device already present */ + pci_dev_put(dev); + goto out_unlock; + } + dev = pci_scan_single_device(bus, 0); + if (dev) { + pci_bus_assign_resources(bus); + if (pci_bus_add_device(dev)) + pr_err("Unable to hotplug wifi\n"); + } + } else { + dev = pci_get_slot(bus, 0); + if (dev) { + pci_remove_bus_device(dev); + pci_dev_put(dev); + } + } + } + +out_unlock: + mutex_unlock(&asus->hotplug_lock); +} + +static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data) +{ + struct asus_wmi *asus = data; + + if (event != ACPI_NOTIFY_BUS_CHECK) + return; + + /* + * We can't call directly asus_rfkill_hotplug because most + * of the time WMBC is still being executed and not reetrant. + * There is currently no way to tell ACPICA that we want this + * method to be serialized, we schedule a asus_rfkill_hotplug + * call later, in a safer context. + */ + queue_work(asus->hotplug_workqueue, &asus->hotplug_work); +} + +static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node) +{ + acpi_status status; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) { + status = acpi_install_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + asus_rfkill_notify, asus); + if (ACPI_FAILURE(status)) + pr_warning("Failed to register notify on %s\n", node); + } else + return -ENODEV; + + return 0; +} + +static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node) +{ + acpi_status status = AE_OK; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) { + status = acpi_remove_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + asus_rfkill_notify); + if (ACPI_FAILURE(status)) + pr_err("Error removing rfkill notify handler %s\n", + node); + } +} + +static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot, + u8 *value) +{ + struct asus_wmi *asus = hotplug_slot->private; + int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); + + if (result < 0) + return result; + + *value = !!result; + return 0; +} + +static void asus_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot) +{ + kfree(hotplug_slot->info); + kfree(hotplug_slot); +} + +static struct hotplug_slot_ops asus_hotplug_slot_ops = { + .owner = THIS_MODULE, + .get_adapter_status = asus_get_adapter_status, + .get_power_status = asus_get_adapter_status, +}; + +static void asus_hotplug_work(struct work_struct *work) +{ + struct asus_wmi *asus; + + asus = container_of(work, struct asus_wmi, hotplug_work); + asus_rfkill_hotplug(asus); +} + +static int asus_setup_pci_hotplug(struct asus_wmi *asus) +{ + int ret = -ENOMEM; + struct pci_bus *bus = pci_find_bus(0, 1); + + if (!bus) { + pr_err("Unable to find wifi PCI bus\n"); + return -ENODEV; + } + + asus->hotplug_workqueue = + create_singlethread_workqueue("hotplug_workqueue"); + if (!asus->hotplug_workqueue) + goto error_workqueue; + + INIT_WORK(&asus->hotplug_work, asus_hotplug_work); + + asus->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL); + if (!asus->hotplug_slot) + goto error_slot; + + asus->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info), + GFP_KERNEL); + if (!asus->hotplug_slot->info) + goto error_info; + + asus->hotplug_slot->private = asus; + asus->hotplug_slot->release = &asus_cleanup_pci_hotplug; + asus->hotplug_slot->ops = &asus_hotplug_slot_ops; + asus_get_adapter_status(asus->hotplug_slot, + &asus->hotplug_slot->info->adapter_status); + + ret = pci_hp_register(asus->hotplug_slot, bus, 0, "asus-wifi"); + if (ret) { + pr_err("Unable to register hotplug slot - %d\n", ret); + goto error_register; + } + + return 0; + +error_register: + kfree(asus->hotplug_slot->info); +error_info: + kfree(asus->hotplug_slot); + asus->hotplug_slot = NULL; +error_slot: + destroy_workqueue(asus->hotplug_workqueue); +error_workqueue: + return ret; +} + +/* + * Rfkill devices + */ +static int asus_rfkill_set(void *data, bool blocked) +{ + struct asus_rfkill *priv = data; + u32 ctrl_param = !blocked; + + return asus_wmi_set_devstate(priv->dev_id, ctrl_param, NULL); +} + +static void asus_rfkill_query(struct rfkill *rfkill, void *data) +{ + struct asus_rfkill *priv = data; + int result; + + result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id); + + if (result < 0) + return; + + rfkill_set_sw_state(priv->rfkill, !result); +} + +static int asus_rfkill_wlan_set(void *data, bool blocked) +{ + struct asus_rfkill *priv = data; + struct asus_wmi *asus = priv->asus; + int ret; + + /* + * This handler is enabled only if hotplug is enabled. + * In this case, the asus_wmi_set_devstate() will + * trigger a wmi notification and we need to wait + * this call to finish before being able to call + * any wmi method + */ + mutex_lock(&asus->wmi_lock); + ret = asus_rfkill_set(data, blocked); + mutex_unlock(&asus->wmi_lock); + return ret; +} + +static const struct rfkill_ops asus_rfkill_wlan_ops = { + .set_block = asus_rfkill_wlan_set, + .query = asus_rfkill_query, +}; + +static const struct rfkill_ops asus_rfkill_ops = { + .set_block = asus_rfkill_set, + .query = asus_rfkill_query, +}; + +static int asus_new_rfkill(struct asus_wmi *asus, + struct asus_rfkill *arfkill, + const char *name, enum rfkill_type type, int dev_id) +{ + int result = asus_wmi_get_devstate_simple(asus, dev_id); + struct rfkill **rfkill = &arfkill->rfkill; + + if (result < 0) + return result; + + arfkill->dev_id = dev_id; + arfkill->asus = asus; + + if (dev_id == ASUS_WMI_DEVID_WLAN && asus->driver->hotplug_wireless) + *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, + &asus_rfkill_wlan_ops, arfkill); + else + *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type, + &asus_rfkill_ops, arfkill); + + if (!*rfkill) + return -EINVAL; + + rfkill_init_sw_state(*rfkill, !result); + result = rfkill_register(*rfkill); + if (result) { + rfkill_destroy(*rfkill); + *rfkill = NULL; + return result; + } + return 0; +} + +static void asus_wmi_rfkill_exit(struct asus_wmi *asus) +{ + asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); + asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); + asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); + if (asus->wlan.rfkill) { + rfkill_unregister(asus->wlan.rfkill); + rfkill_destroy(asus->wlan.rfkill); + asus->wlan.rfkill = NULL; + } + /* + * Refresh pci hotplug in case the rfkill state was changed after + * asus_unregister_rfkill_notifier() + */ + asus_rfkill_hotplug(asus); + if (asus->hotplug_slot) + pci_hp_deregister(asus->hotplug_slot); + if (asus->hotplug_workqueue) + destroy_workqueue(asus->hotplug_workqueue); + + if (asus->bluetooth.rfkill) { + rfkill_unregister(asus->bluetooth.rfkill); + rfkill_destroy(asus->bluetooth.rfkill); + asus->bluetooth.rfkill = NULL; + } + if (asus->wimax.rfkill) { + rfkill_unregister(asus->wimax.rfkill); + rfkill_destroy(asus->wimax.rfkill); + asus->wimax.rfkill = NULL; + } + if (asus->wwan3g.rfkill) { + rfkill_unregister(asus->wwan3g.rfkill); + rfkill_destroy(asus->wwan3g.rfkill); + asus->wwan3g.rfkill = NULL; + } +} + +static int asus_wmi_rfkill_init(struct asus_wmi *asus) +{ + int result = 0; + + mutex_init(&asus->hotplug_lock); + mutex_init(&asus->wmi_lock); + + result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan", + RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN); + + if (result && result != -ENODEV) + goto exit; + + result = asus_new_rfkill(asus, &asus->bluetooth, + "asus-bluetooth", RFKILL_TYPE_BLUETOOTH, + ASUS_WMI_DEVID_BLUETOOTH); + + if (result && result != -ENODEV) + goto exit; + + result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax", + RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX); + + if (result && result != -ENODEV) + goto exit; + + result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g", + RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G); + + if (result && result != -ENODEV) + goto exit; + + if (!asus->driver->hotplug_wireless) + goto exit; + + result = asus_setup_pci_hotplug(asus); + /* + * If we get -EBUSY then something else is handling the PCI hotplug - + * don't fail in this case + */ + if (result == -EBUSY) + result = 0; + + asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5"); + asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6"); + asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7"); + /* + * Refresh pci hotplug in case the rfkill state was changed during + * setup. + */ + asus_rfkill_hotplug(asus); + +exit: + if (result && result != -ENODEV) + asus_wmi_rfkill_exit(asus); + + if (result == -ENODEV) + result = 0; + + return result; +} + +/* + * Hwmon device + */ +static ssize_t asus_hwmon_pwm1(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + u32 value; + int err; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value); + + if (err < 0) + return err; + + value |= 0xFF; + + if (value == 1) /* Low Speed */ + value = 85; + else if (value == 2) + value = 170; + else if (value == 3) + value = 255; + else if (value != 0) { + pr_err("Unknown fan speed %#x", value); + value = -1; + } + + return sprintf(buf, "%d\n", value); +} + +static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL, 0); + +static ssize_t +show_name(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "asus\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_name.dev_attr.attr, + NULL +}; + +static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, + struct attribute *attr, int idx) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct platform_device *pdev = to_platform_device(dev->parent); + struct asus_wmi *asus = platform_get_drvdata(pdev); + bool ok = true; + int dev_id = -1; + u32 value = ASUS_WMI_UNSUPPORTED_METHOD; + + if (attr == &sensor_dev_attr_pwm1.dev_attr.attr) + dev_id = ASUS_WMI_DEVID_FAN_CTRL; + + if (dev_id != -1) { + int err = asus_wmi_get_devstate(asus, dev_id, &value); + + if (err < 0) + return err; + } + + if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) { + /* + * We need to find a better way, probably using sfun, + * bits or spec ... + * Currently we disable it if: + * - ASUS_WMI_UNSUPPORTED_METHOD is returned + * - reverved bits are non-zero + * - sfun and presence bit are not set + */ + if (value != ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000 + || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT))) + ok = false; + } + + return ok ? attr->mode : 0; +} + +static struct attribute_group hwmon_attribute_group = { + .is_visible = asus_hwmon_sysfs_is_visible, + .attrs = hwmon_attributes +}; + +static void asus_wmi_hwmon_exit(struct asus_wmi *asus) +{ + struct device *hwmon; + + hwmon = asus->hwmon_device; + if (!hwmon) + return; + sysfs_remove_group(&hwmon->kobj, &hwmon_attribute_group); + hwmon_device_unregister(hwmon); + asus->hwmon_device = NULL; +} + +static int asus_wmi_hwmon_init(struct asus_wmi *asus) +{ + struct device *hwmon; + int result; + + hwmon = hwmon_device_register(&asus->platform_device->dev); + if (IS_ERR(hwmon)) { + pr_err("Could not register asus hwmon device\n"); + return PTR_ERR(hwmon); + } + asus->hwmon_device = hwmon; + result = sysfs_create_group(&hwmon->kobj, &hwmon_attribute_group); + if (result) + asus_wmi_hwmon_exit(asus); + return result; +} + +/* + * Backlight + */ +static int read_backlight_power(struct asus_wmi *asus) +{ + int ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BACKLIGHT); + + if (ret < 0) + return ret; + + return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; +} + +static int read_brightness_max(struct asus_wmi *asus) +{ + u32 retval; + int err; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); + + if (err < 0) + return err; + + retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK; + retval >>= 8; + + if (!retval) + return -ENODEV; + + return retval; +} + +static int read_brightness(struct backlight_device *bd) +{ + struct asus_wmi *asus = bl_get_data(bd); + u32 retval; + int err; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); + + if (err < 0) + return err; + + return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK; +} + +static int update_bl_status(struct backlight_device *bd) +{ + struct asus_wmi *asus = bl_get_data(bd); + u32 ctrl_param; + int power, err; + + ctrl_param = bd->props.brightness; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS, + ctrl_param, NULL); + + if (err < 0) + return err; + + power = read_backlight_power(asus); + if (power != -ENODEV && bd->props.power != power) { + ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK); + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, + ctrl_param, NULL); + } + return err; +} + +static const struct backlight_ops asus_wmi_bl_ops = { + .get_brightness = read_brightness, + .update_status = update_bl_status, +}; + +static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code) +{ + struct backlight_device *bd = asus->backlight_device; + int old = bd->props.brightness; + int new = old; + + if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) + new = code - NOTIFY_BRNUP_MIN + 1; + else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX) + new = code - NOTIFY_BRNDOWN_MIN; + + bd->props.brightness = new; + backlight_update_status(bd); + backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); + + return old; +} + +static int asus_wmi_backlight_init(struct asus_wmi *asus) +{ + struct backlight_device *bd; + struct backlight_properties props; + int max; + int power; + + max = read_brightness_max(asus); + + if (max == -ENODEV) + max = 0; + else if (max < 0) + return max; + + power = read_backlight_power(asus); + + if (power == -ENODEV) + power = FB_BLANK_UNBLANK; + else if (power < 0) + return power; + + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = max; + bd = backlight_device_register(asus->driver->name, + &asus->platform_device->dev, asus, + &asus_wmi_bl_ops, &props); + if (IS_ERR(bd)) { + pr_err("Could not register backlight device\n"); + return PTR_ERR(bd); + } + + asus->backlight_device = bd; + + bd->props.brightness = read_brightness(bd); + bd->props.power = power; + backlight_update_status(bd); + + return 0; +} + +static void asus_wmi_backlight_exit(struct asus_wmi *asus) +{ + if (asus->backlight_device) + backlight_device_unregister(asus->backlight_device); + + asus->backlight_device = NULL; +} + +static void asus_wmi_notify(u32 value, void *context) +{ + struct asus_wmi *asus = context; + struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + int code; + int orig_code; + + status = wmi_get_event_data(value, &response); + if (status != AE_OK) { + pr_err("bad event status 0x%x\n", status); + return; + } + + obj = (union acpi_object *)response.pointer; + + if (!obj || obj->type != ACPI_TYPE_INTEGER) + goto exit; + + code = obj->integer.value; + orig_code = code; + + if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) + code = NOTIFY_BRNUP_MIN; + else if (code >= NOTIFY_BRNDOWN_MIN && + code <= NOTIFY_BRNDOWN_MAX) + code = NOTIFY_BRNDOWN_MIN; + + if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) { + if (!acpi_video_backlight_support()) + asus_wmi_backlight_notify(asus, orig_code); + } else if (!sparse_keymap_report_event(asus->inputdev, code, 1, true)) + pr_info("Unknown key %x pressed\n", code); + +exit: + kfree(obj); +} + +/* + * 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_wmi(struct asus_wmi *asus, int devid, + const char *buf, size_t count) +{ + u32 retval; + int rv, err, value; + + value = asus_wmi_get_devstate_simple(asus, devid); + if (value == -ENODEV) /* Check device presence */ + return value; + + rv = parse_arg(buf, count, &value); + err = asus_wmi_set_devstate(devid, value, &retval); + + if (err < 0) + return err; + + return rv; +} + +static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf) +{ + int value = asus_wmi_get_devstate_simple(asus, devid); + + if (value < 0) + return value; + + return sprintf(buf, "%d\n", value); +} + +#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \ + static ssize_t show_##_name(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ + { \ + struct asus_wmi *asus = dev_get_drvdata(dev); \ + \ + return show_sys_wmi(asus, _cm, buf); \ + } \ + static ssize_t store_##_name(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ + { \ + struct asus_wmi *asus = dev_get_drvdata(dev); \ + \ + return store_sys_wmi(asus, _cm, buf, count); \ + } \ + static struct device_attribute dev_attr_##_name = { \ + .attr = { \ + .name = __stringify(_name), \ + .mode = _mode }, \ + .show = show_##_name, \ + .store = store_##_name, \ + } + +ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD); +ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA); +ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER); + +static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int value; + + if (!count || sscanf(buf, "%i", &value) != 1) + return -EINVAL; + if (value < 0 || value > 2) + return -EINVAL; + + return asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL); +} + +static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv); + +static struct attribute *platform_attributes[] = { + &dev_attr_cpufv.attr, + &dev_attr_camera.attr, + &dev_attr_cardr.attr, + &dev_attr_touchpad.attr, + NULL +}; + +static mode_t asus_sysfs_is_visible(struct kobject *kobj, + struct attribute *attr, int idx) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct platform_device *pdev = to_platform_device(dev); + struct asus_wmi *asus = platform_get_drvdata(pdev); + bool ok = true; + int devid = -1; + + if (attr == &dev_attr_camera.attr) + devid = ASUS_WMI_DEVID_CAMERA; + else if (attr == &dev_attr_cardr.attr) + devid = ASUS_WMI_DEVID_CARDREADER; + else if (attr == &dev_attr_touchpad.attr) + devid = ASUS_WMI_DEVID_TOUCHPAD; + + if (devid != -1) + ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); + + return ok ? attr->mode : 0; +} + +static struct attribute_group platform_attribute_group = { + .is_visible = asus_sysfs_is_visible, + .attrs = platform_attributes +}; + +static void asus_wmi_sysfs_exit(struct platform_device *device) +{ + sysfs_remove_group(&device->dev.kobj, &platform_attribute_group); +} + +static int asus_wmi_sysfs_init(struct platform_device *device) +{ + return sysfs_create_group(&device->dev.kobj, &platform_attribute_group); +} + +/* + * Platform device + */ +static int __init asus_wmi_platform_init(struct asus_wmi *asus) +{ + int rv; + + /* INIT enable hotkeys on some models */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv)) + pr_info("Initialization: %#x", rv); + + /* We don't know yet what to do with this version... */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) { + pr_info("BIOS WMI version: %d.%d", rv >> 8, rv & 0xFF); + asus->spec = rv; + } + + /* + * 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. + */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) { + pr_info("SFUN value: %#x", rv); + asus->sfun = rv; + } + + /* + * Eee PC and Notebooks seems to have different method_id for DSTS, + * but it may also be related to the BIOS's SPEC. + * Note, on most Eeepc, there is no way to check if a method exist + * or note, while on notebooks, they returns 0xFFFFFFFE on failure, + * but once again, SPEC may probably be used for that kind of things. + */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL)) + asus->dsts_id = ASUS_WMI_METHODID_DSTS; + else if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL)) + asus->dsts_id = ASUS_WMI_METHODID_DSTS2; + + if (!asus->dsts_id) { + pr_err("Can't find DSTS"); + return -ENODEV; + } + + return asus_wmi_sysfs_init(asus->platform_device); +} + +static void asus_wmi_platform_exit(struct asus_wmi *asus) +{ + asus_wmi_sysfs_exit(asus->platform_device); +} + +/* + * debugfs + */ +struct asus_wmi_debugfs_node { + struct asus_wmi *asus; + char *name; + int (*show) (struct seq_file *m, void *data); +}; + +static int show_dsts(struct seq_file *m, void *data) +{ + struct asus_wmi *asus = m->private; + int err; + u32 retval = -1; + + err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); + + if (err < 0) + return err; + + seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval); + + return 0; +} + +static int show_devs(struct seq_file *m, void *data) +{ + struct asus_wmi *asus = m->private; + int err; + u32 retval = -1; + + err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, + &retval); + + if (err < 0) + return err; + + seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id, + asus->debug.ctrl_param, retval); + + return 0; +} + +static int show_call(struct seq_file *m, void *data) +{ + struct asus_wmi *asus = m->private; + struct bios_args args = { + .arg0 = asus->debug.dev_id, + .arg1 = asus->debug.ctrl_param, + }; + struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; + struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + + status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, + 1, asus->debug.method_id, + &input, &output); + + if (ACPI_FAILURE(status)) + return -EIO; + + obj = (union acpi_object *)output.pointer; + if (obj && obj->type == ACPI_TYPE_INTEGER) + seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id, + asus->debug.dev_id, asus->debug.ctrl_param, + (u32) obj->integer.value); + else + seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id, + asus->debug.dev_id, asus->debug.ctrl_param, + obj ? obj->type : -1); + + kfree(obj); + + return 0; +} + +static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = { + {NULL, "devs", show_devs}, + {NULL, "dsts", show_dsts}, + {NULL, "call", show_call}, +}; + +static int asus_wmi_debugfs_open(struct inode *inode, struct file *file) +{ + struct asus_wmi_debugfs_node *node = inode->i_private; + + return single_open(file, node->show, node->asus); +} + +static const struct file_operations asus_wmi_debugfs_io_ops = { + .owner = THIS_MODULE, + .open = asus_wmi_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void asus_wmi_debugfs_exit(struct asus_wmi *asus) +{ + debugfs_remove_recursive(asus->debug.root); +} + +static int asus_wmi_debugfs_init(struct asus_wmi *asus) +{ + struct dentry *dent; + int i; + + asus->debug.root = debugfs_create_dir(asus->driver->name, NULL); + if (!asus->debug.root) { + pr_err("failed to create debugfs directory"); + goto error_debugfs; + } + + dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, + asus->debug.root, &asus->debug.method_id); + if (!dent) + goto error_debugfs; + + dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, + asus->debug.root, &asus->debug.dev_id); + if (!dent) + goto error_debugfs; + + dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, + asus->debug.root, &asus->debug.ctrl_param); + if (!dent) + goto error_debugfs; + + for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) { + struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i]; + + node->asus = asus; + dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO, + asus->debug.root, node, + &asus_wmi_debugfs_io_ops); + if (!dent) { + pr_err("failed to create debug file: %s\n", node->name); + goto error_debugfs; + } + } + + return 0; + +error_debugfs: + asus_wmi_debugfs_exit(asus); + return -ENOMEM; +} + +/* + * WMI Driver + */ +static int asus_wmi_add(struct platform_device *pdev) +{ + struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); + struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); + struct asus_wmi *asus; + acpi_status status; + int err; + + asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL); + if (!asus) + return -ENOMEM; + + asus->driver = wdrv; + asus->platform_device = pdev; + wdrv->platform_device = pdev; + platform_set_drvdata(asus->platform_device, asus); + + if (wdrv->quirks) + wdrv->quirks(asus->driver); + + err = asus_wmi_platform_init(asus); + if (err) + goto fail_platform; + + err = asus_wmi_input_init(asus); + if (err) + goto fail_input; + + err = asus_wmi_hwmon_init(asus); + if (err) + goto fail_hwmon; + + err = asus_wmi_led_init(asus); + if (err) + goto fail_leds; + + err = asus_wmi_rfkill_init(asus); + if (err) + goto fail_rfkill; + + if (!acpi_video_backlight_support()) { + err = asus_wmi_backlight_init(asus); + if (err && err != -ENODEV) + goto fail_backlight; + } else + pr_info("Backlight controlled by ACPI video driver\n"); + + status = wmi_install_notify_handler(asus->driver->event_guid, + asus_wmi_notify, asus); + if (ACPI_FAILURE(status)) { + pr_err("Unable to register notify handler - %d\n", status); + err = -ENODEV; + goto fail_wmi_handler; + } + + err = asus_wmi_debugfs_init(asus); + if (err) + goto fail_debugfs; + + return 0; + +fail_debugfs: + wmi_remove_notify_handler(asus->driver->event_guid); +fail_wmi_handler: + asus_wmi_backlight_exit(asus); +fail_backlight: + asus_wmi_rfkill_exit(asus); +fail_rfkill: + asus_wmi_led_exit(asus); +fail_leds: + asus_wmi_hwmon_exit(asus); +fail_hwmon: + asus_wmi_input_exit(asus); +fail_input: + asus_wmi_platform_exit(asus); +fail_platform: + kfree(asus); + return err; +} + +static int asus_wmi_remove(struct platform_device *device) +{ + struct asus_wmi *asus; + + asus = platform_get_drvdata(device); + wmi_remove_notify_handler(asus->driver->event_guid); + asus_wmi_backlight_exit(asus); + asus_wmi_input_exit(asus); + asus_wmi_hwmon_exit(asus); + asus_wmi_led_exit(asus); + asus_wmi_rfkill_exit(asus); + asus_wmi_debugfs_exit(asus); + asus_wmi_platform_exit(asus); + + kfree(asus); + return 0; +} + +/* + * Platform driver - hibernate/resume callbacks + */ +static int asus_hotk_thaw(struct device *device) +{ + struct asus_wmi *asus = dev_get_drvdata(device); + + if (asus->wlan.rfkill) { + bool wlan; + + /* + * Work around bios bug - acpi _PTS turns off the wireless led + * during suspend. Normally it restores it on resume, but + * we should kick it ourselves in case hibernation is aborted. + */ + wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); + asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL); + } + + return 0; +} + +static int asus_hotk_restore(struct device *device) +{ + struct asus_wmi *asus = dev_get_drvdata(device); + int bl; + + /* Refresh both wlan rfkill state and pci hotplug */ + if (asus->wlan.rfkill) + asus_rfkill_hotplug(asus); + + if (asus->bluetooth.rfkill) { + bl = !asus_wmi_get_devstate_simple(asus, + ASUS_WMI_DEVID_BLUETOOTH); + rfkill_set_sw_state(asus->bluetooth.rfkill, bl); + } + if (asus->wimax.rfkill) { + bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX); + rfkill_set_sw_state(asus->wimax.rfkill, bl); + } + if (asus->wwan3g.rfkill) { + bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G); + rfkill_set_sw_state(asus->wwan3g.rfkill, bl); + } + + return 0; +} + +static const struct dev_pm_ops asus_pm_ops = { + .thaw = asus_hotk_thaw, + .restore = asus_hotk_restore, +}; + +static int asus_wmi_probe(struct platform_device *pdev) +{ + struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); + struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); + int ret; + + if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { + pr_warning("Management GUID not found\n"); + return -ENODEV; + } + + if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) { + pr_warning("Event GUID not found\n"); + return -ENODEV; + } + + if (wdrv->probe) { + ret = wdrv->probe(pdev); + if (ret) + return ret; + } + + return asus_wmi_add(pdev); +} + +static bool used; + +int asus_wmi_register_driver(struct asus_wmi_driver *driver) +{ + struct platform_driver *platform_driver; + struct platform_device *platform_device; + + if (used) + return -EBUSY; + + platform_driver = &driver->platform_driver; + platform_driver->remove = asus_wmi_remove; + platform_driver->driver.owner = driver->owner; + platform_driver->driver.name = driver->name; + platform_driver->driver.pm = &asus_pm_ops; + + platform_device = platform_create_bundle(platform_driver, + asus_wmi_probe, + NULL, 0, NULL, 0); + if (IS_ERR(platform_device)) + return PTR_ERR(platform_device); + + used = true; + return 0; +} +EXPORT_SYMBOL_GPL(asus_wmi_register_driver); + +void asus_wmi_unregister_driver(struct asus_wmi_driver *driver) +{ + platform_device_unregister(driver->platform_device); + platform_driver_unregister(&driver->platform_driver); + used = false; +} +EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver); + +static int __init asus_wmi_init(void) +{ + if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) { + pr_info("Asus Management GUID not found"); + return -ENODEV; + } + + pr_info("ASUS WMI generic driver loaded"); + return 0; +} + +static void __exit asus_wmi_exit(void) +{ + pr_info("ASUS WMI generic driver unloaded"); +} + +module_init(asus_wmi_init); +module_exit(asus_wmi_exit); diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h new file mode 100644 index 00000000000..c044522c876 --- /dev/null +++ b/drivers/platform/x86/asus-wmi.h @@ -0,0 +1,58 @@ +/* + * Asus PC WMI hotkey driver + * + * Copyright(C) 2010 Intel Corporation. + * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.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 + */ + +#ifndef _ASUS_WMI_H_ +#define _ASUS_WMI_H_ + +#include <linux/platform_device.h> + +struct module; +struct key_entry; +struct asus_wmi; + +struct asus_wmi_driver { + bool hotplug_wireless; + + const char *name; + struct module *owner; + + const char *event_guid; + + const struct key_entry *keymap; + const char *input_name; + const char *input_phys; + + int (*probe) (struct platform_device *device); + void (*quirks) (struct asus_wmi_driver *driver); + + struct platform_driver platform_driver; + struct platform_device *platform_device; +}; + +int asus_wmi_register_driver(struct asus_wmi_driver *driver); +void asus_wmi_unregister_driver(struct asus_wmi_driver *driver); + +#endif /* !_ASUS_WMI_H_ */ diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index eb95878fa58..c16a27641ce 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -201,7 +201,7 @@ static bool extra_features; * into 0x4F and read a few bytes from the output, like so: * u8 writeData = 0x33; * ec_transaction(0x4F, &writeData, 1, buffer, 32, 0); - * That address is labled "fan1 table information" in the service manual. + * That address is labelled "fan1 table information" in the service manual. * It should be clear which value in 'buffer' changes). This seems to be * related to fan speed. It isn't a proper 'realtime' fan speed value * though, because physically stopping or speeding up the fan doesn't @@ -275,7 +275,7 @@ static int set_backlight_level(int level) ec_write(BACKLIGHT_LEVEL_ADDR, level); - return 1; + return 0; } static int get_backlight_level(void) @@ -763,7 +763,7 @@ static int dmi_check_cb(const struct dmi_system_id *id) printk(KERN_INFO DRIVER_NAME": Identified laptop model '%s'\n", id->ident); extra_features = false; - return 0; + return 1; } static int dmi_check_cb_extra(const struct dmi_system_id *id) @@ -772,7 +772,7 @@ static int dmi_check_cb_extra(const struct dmi_system_id *id) "enabling extra features\n", id->ident); extra_features = true; - return 0; + return 1; } static struct dmi_system_id __initdata compal_dmi_table[] = { diff --git a/drivers/platform/x86/dell-wmi-aio.c b/drivers/platform/x86/dell-wmi-aio.c new file mode 100644 index 00000000000..0ed84573ae1 --- /dev/null +++ b/drivers/platform/x86/dell-wmi-aio.c @@ -0,0 +1,171 @@ +/* + * WMI hotkeys support for Dell All-In-One series + * + * 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 + */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/input.h> +#include <linux/input/sparse-keymap.h> +#include <acpi/acpi_drivers.h> +#include <linux/acpi.h> +#include <linux/string.h> + +MODULE_DESCRIPTION("WMI hotkeys driver for Dell All-In-One series"); +MODULE_LICENSE("GPL"); + +#define EVENT_GUID1 "284A0E6B-380E-472A-921F-E52786257FB4" +#define EVENT_GUID2 "02314822-307C-4F66-BF0E-48AEAEB26CC8" + +static const char *dell_wmi_aio_guids[] = { + EVENT_GUID1, + EVENT_GUID2, + NULL +}; + +MODULE_ALIAS("wmi:"EVENT_GUID1); +MODULE_ALIAS("wmi:"EVENT_GUID2); + +static const struct key_entry dell_wmi_aio_keymap[] = { + { KE_KEY, 0xc0, { KEY_VOLUMEUP } }, + { KE_KEY, 0xc1, { KEY_VOLUMEDOWN } }, + { KE_END, 0 } +}; + +static struct input_dev *dell_wmi_aio_input_dev; + +static void dell_wmi_aio_notify(u32 value, void *context) +{ + struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + + status = wmi_get_event_data(value, &response); + if (status != AE_OK) { + pr_info("bad event status 0x%x\n", status); + return; + } + + obj = (union acpi_object *)response.pointer; + if (obj) { + unsigned int scancode; + + switch (obj->type) { + case ACPI_TYPE_INTEGER: + /* Most All-In-One correctly return integer scancode */ + scancode = obj->integer.value; + sparse_keymap_report_event(dell_wmi_aio_input_dev, + scancode, 1, true); + break; + case ACPI_TYPE_BUFFER: + /* Broken machines return the scancode in a buffer */ + if (obj->buffer.pointer && obj->buffer.length > 0) { + scancode = obj->buffer.pointer[0]; + sparse_keymap_report_event( + dell_wmi_aio_input_dev, + scancode, 1, true); + } + break; + } + } + kfree(obj); +} + +static int __init dell_wmi_aio_input_setup(void) +{ + int err; + + dell_wmi_aio_input_dev = input_allocate_device(); + + if (!dell_wmi_aio_input_dev) + return -ENOMEM; + + dell_wmi_aio_input_dev->name = "Dell AIO WMI hotkeys"; + dell_wmi_aio_input_dev->phys = "wmi/input0"; + dell_wmi_aio_input_dev->id.bustype = BUS_HOST; + + err = sparse_keymap_setup(dell_wmi_aio_input_dev, + dell_wmi_aio_keymap, NULL); + if (err) { + pr_err("Unable to setup input device keymap\n"); + goto err_free_dev; + } + err = input_register_device(dell_wmi_aio_input_dev); + if (err) { + pr_info("Unable to register input device\n"); + goto err_free_keymap; + } + return 0; + +err_free_keymap: + sparse_keymap_free(dell_wmi_aio_input_dev); +err_free_dev: + input_free_device(dell_wmi_aio_input_dev); + return err; +} + +static const char *dell_wmi_aio_find(void) +{ + int i; + + for (i = 0; dell_wmi_aio_guids[i] != NULL; i++) + if (wmi_has_guid(dell_wmi_aio_guids[i])) + return dell_wmi_aio_guids[i]; + + return NULL; +} + +static int __init dell_wmi_aio_init(void) +{ + int err; + const char *guid; + + guid = dell_wmi_aio_find(); + if (!guid) { + pr_warning("No known WMI GUID found\n"); + return -ENXIO; + } + + err = dell_wmi_aio_input_setup(); + if (err) + return err; + + err = wmi_install_notify_handler(guid, dell_wmi_aio_notify, NULL); + if (err) { + pr_err("Unable to register notify handler - %d\n", err); + sparse_keymap_free(dell_wmi_aio_input_dev); + input_unregister_device(dell_wmi_aio_input_dev); + return err; + } + + return 0; +} + +static void __exit dell_wmi_aio_exit(void) +{ + const char *guid; + + guid = dell_wmi_aio_find(); + wmi_remove_notify_handler(guid); + sparse_keymap_free(dell_wmi_aio_input_dev); + input_unregister_device(dell_wmi_aio_input_dev); +} + +module_init(dell_wmi_aio_init); +module_exit(dell_wmi_aio_exit); diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 6605beac0d0..5f2dd386152 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -1322,7 +1322,7 @@ static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) { int dummy; - /* Some BIOSes do not report cm although it is avaliable. + /* Some BIOSes do not report cm although it is available. Check if cm_getv[cm] works and, if yes, assume cm should be set. */ if (!(eeepc->cm_supported & (1 << cm)) && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 4d38f98aa97..0ddc434fb93 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -2,7 +2,7 @@ * Eee PC WMI hotkey driver * * Copyright(C) 2010 Intel Corporation. - * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com> + * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> * * Portions based on wistron_btns.c: * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> @@ -29,841 +29,57 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/types.h> -#include <linux/slab.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> -#include <linux/fb.h> -#include <linux/backlight.h> -#include <linux/leds.h> -#include <linux/rfkill.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/platform_device.h> +#include <linux/dmi.h> #include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> + +#include "asus-wmi.h" #define EEEPC_WMI_FILE "eeepc-wmi" -MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>"); +MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>"); MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver"); MODULE_LICENSE("GPL"); #define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */ #define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000" -#define EEEPC_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66" MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID); -MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID); - -#define NOTIFY_BRNUP_MIN 0x11 -#define NOTIFY_BRNUP_MAX 0x1f -#define NOTIFY_BRNDOWN_MIN 0x20 -#define NOTIFY_BRNDOWN_MAX 0x2e -#define EEEPC_WMI_METHODID_DEVS 0x53564544 -#define EEEPC_WMI_METHODID_DSTS 0x53544344 -#define EEEPC_WMI_METHODID_CFVS 0x53564643 +static bool hotplug_wireless; -#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050012 -#define EEEPC_WMI_DEVID_TPDLED 0x00100011 -#define EEEPC_WMI_DEVID_WLAN 0x00010011 -#define EEEPC_WMI_DEVID_BLUETOOTH 0x00010013 -#define EEEPC_WMI_DEVID_WWAN3G 0x00010019 +module_param(hotplug_wireless, bool, 0444); +MODULE_PARM_DESC(hotplug_wireless, + "Enable hotplug for wireless device. " + "If your laptop needs that, please report to " + "acpi4asus-user@lists.sourceforge.net."); static const struct key_entry eeepc_wmi_keymap[] = { /* Sleep already handled via generic ACPI code */ - { KE_KEY, 0x5d, { KEY_WLAN } }, - { KE_KEY, 0x32, { KEY_MUTE } }, - { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, { KE_KEY, 0x30, { KEY_VOLUMEUP } }, - { KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } }, - { KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } }, + { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, + { KE_KEY, 0x32, { KEY_MUTE } }, + { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */ + { KE_KEY, 0x5d, { KEY_WLAN } }, + { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */ + { KE_KEY, 0x82, { KEY_CAMERA } }, + { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } }, + { KE_KEY, 0x88, { KEY_WLAN } }, { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } }, - { KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */ - { KE_KEY, 0xe1, { KEY_F14 } }, - { KE_KEY, 0xe9, { KEY_DISPLAY_OFF } }, - { KE_KEY, 0xe0, { KEY_PROG1 } }, - { KE_KEY, 0x5c, { KEY_F15 } }, + { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */ + { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */ + { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } }, + { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } }, + { KE_KEY, 0xec, { KEY_CAMERA_UP } }, + { KE_KEY, 0xed, { KEY_CAMERA_DOWN } }, + { KE_KEY, 0xee, { KEY_CAMERA_LEFT } }, + { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } }, { KE_END, 0}, }; -struct bios_args { - u32 dev_id; - u32 ctrl_param; -}; - -/* - * eeepc-wmi/ - debugfs root directory - * dev_id - current dev_id - * ctrl_param - current ctrl_param - * devs - call DEVS(dev_id, ctrl_param) and print result - * dsts - call DSTS(dev_id) and print result - */ -struct eeepc_wmi_debug { - struct dentry *root; - u32 dev_id; - u32 ctrl_param; -}; - -struct eeepc_wmi { - struct input_dev *inputdev; - struct backlight_device *backlight_device; - struct platform_device *platform_device; - - struct led_classdev tpd_led; - int tpd_led_wk; - struct workqueue_struct *led_workqueue; - struct work_struct tpd_led_work; - - struct rfkill *wlan_rfkill; - struct rfkill *bluetooth_rfkill; - struct rfkill *wwan3g_rfkill; - - struct eeepc_wmi_debug debug; -}; - -/* Only used in eeepc_wmi_init() and eeepc_wmi_exit() */ -static struct platform_device *platform_device; - -static int eeepc_wmi_input_init(struct eeepc_wmi *eeepc) -{ - int err; - - eeepc->inputdev = input_allocate_device(); - if (!eeepc->inputdev) - return -ENOMEM; - - eeepc->inputdev->name = "Eee PC WMI hotkeys"; - eeepc->inputdev->phys = EEEPC_WMI_FILE "/input0"; - eeepc->inputdev->id.bustype = BUS_HOST; - eeepc->inputdev->dev.parent = &eeepc->platform_device->dev; - - err = sparse_keymap_setup(eeepc->inputdev, eeepc_wmi_keymap, NULL); - if (err) - goto err_free_dev; - - err = input_register_device(eeepc->inputdev); - if (err) - goto err_free_keymap; - - return 0; - -err_free_keymap: - sparse_keymap_free(eeepc->inputdev); -err_free_dev: - input_free_device(eeepc->inputdev); - return err; -} - -static void eeepc_wmi_input_exit(struct eeepc_wmi *eeepc) -{ - if (eeepc->inputdev) { - sparse_keymap_free(eeepc->inputdev); - input_unregister_device(eeepc->inputdev); - } - - eeepc->inputdev = NULL; -} - -static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *retval) -{ - struct acpi_buffer input = { (acpi_size)sizeof(u32), &dev_id }; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - acpi_status status; - u32 tmp; - - status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, - 1, EEEPC_WMI_METHODID_DSTS, &input, &output); - - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *)output.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) - tmp = (u32)obj->integer.value; - else - tmp = 0; - - if (retval) - *retval = tmp; - - kfree(obj); - - return status; - -} - -static acpi_status eeepc_wmi_set_devstate(u32 dev_id, u32 ctrl_param, - u32 *retval) -{ - struct bios_args args = { - .dev_id = dev_id, - .ctrl_param = ctrl_param, - }; - struct acpi_buffer input = { (acpi_size)sizeof(args), &args }; - acpi_status status; - - if (!retval) { - status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, 1, - EEEPC_WMI_METHODID_DEVS, - &input, NULL); - } else { - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - u32 tmp; - - status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, 1, - EEEPC_WMI_METHODID_DEVS, - &input, &output); - - if (ACPI_FAILURE(status)) - return status; - - obj = (union acpi_object *)output.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) - tmp = (u32)obj->integer.value; - else - tmp = 0; - - *retval = tmp; - - kfree(obj); - } - - return status; -} - -/* - * LEDs - */ -/* - * 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 Eeepc ACPI stuff during a - * potentially bad time, such as a timer interrupt. - */ -static void tpd_led_update(struct work_struct *work) -{ - int ctrl_param; - struct eeepc_wmi *eeepc; - - eeepc = container_of(work, struct eeepc_wmi, tpd_led_work); - - ctrl_param = eeepc->tpd_led_wk; - eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_TPDLED, ctrl_param, NULL); -} - -static void tpd_led_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct eeepc_wmi *eeepc; - - eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led); - - eeepc->tpd_led_wk = !!value; - queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work); -} - -static int read_tpd_state(struct eeepc_wmi *eeepc) -{ - u32 retval; - acpi_status status; - - status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_TPDLED, &retval); - - if (ACPI_FAILURE(status)) - return -1; - else if (!retval || retval == 0x00060000) - /* - * if touchpad led is present, DSTS will set some bits, - * usually 0x00020000. - * 0x00060000 means that the device is not supported - */ - return -ENODEV; - else - /* Status is stored in the first bit */ - return retval & 0x1; -} - -static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) -{ - struct eeepc_wmi *eeepc; - - eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led); - - return read_tpd_state(eeepc); -} - -static int eeepc_wmi_led_init(struct eeepc_wmi *eeepc) -{ - int rv; - - if (read_tpd_state(eeepc) < 0) - return 0; - - eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue"); - if (!eeepc->led_workqueue) - return -ENOMEM; - INIT_WORK(&eeepc->tpd_led_work, tpd_led_update); - - eeepc->tpd_led.name = "eeepc::touchpad"; - eeepc->tpd_led.brightness_set = tpd_led_set; - eeepc->tpd_led.brightness_get = tpd_led_get; - eeepc->tpd_led.max_brightness = 1; - - rv = led_classdev_register(&eeepc->platform_device->dev, - &eeepc->tpd_led); - if (rv) { - destroy_workqueue(eeepc->led_workqueue); - return rv; - } - - return 0; -} - -static void eeepc_wmi_led_exit(struct eeepc_wmi *eeepc) -{ - if (eeepc->tpd_led.dev) - led_classdev_unregister(&eeepc->tpd_led); - if (eeepc->led_workqueue) - destroy_workqueue(eeepc->led_workqueue); -} - -/* - * Rfkill devices - */ -static int eeepc_rfkill_set(void *data, bool blocked) -{ - int dev_id = (unsigned long)data; - u32 ctrl_param = !blocked; - - return eeepc_wmi_set_devstate(dev_id, ctrl_param, NULL); -} - -static void eeepc_rfkill_query(struct rfkill *rfkill, void *data) -{ - int dev_id = (unsigned long)data; - u32 retval; - acpi_status status; - - status = eeepc_wmi_get_devstate(dev_id, &retval); - - if (ACPI_FAILURE(status)) - return ; - - rfkill_set_sw_state(rfkill, !(retval & 0x1)); -} - -static const struct rfkill_ops eeepc_rfkill_ops = { - .set_block = eeepc_rfkill_set, - .query = eeepc_rfkill_query, -}; - -static int eeepc_new_rfkill(struct eeepc_wmi *eeepc, - struct rfkill **rfkill, - const char *name, - enum rfkill_type type, int dev_id) -{ - int result; - u32 retval; - acpi_status status; - - status = eeepc_wmi_get_devstate(dev_id, &retval); - - if (ACPI_FAILURE(status)) - return -1; - - /* If the device is present, DSTS will always set some bits - * 0x00070000 - 1110000000000000000 - device supported - * 0x00060000 - 1100000000000000000 - not supported - * 0x00020000 - 0100000000000000000 - device supported - * 0x00010000 - 0010000000000000000 - not supported / special mode ? - */ - if (!retval || retval == 0x00060000) - return -ENODEV; - - *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, - &eeepc_rfkill_ops, (void *)(long)dev_id); - - if (!*rfkill) - return -EINVAL; - - rfkill_init_sw_state(*rfkill, !(retval & 0x1)); - result = rfkill_register(*rfkill); - if (result) { - rfkill_destroy(*rfkill); - *rfkill = NULL; - return result; - } - return 0; -} - -static void eeepc_wmi_rfkill_exit(struct eeepc_wmi *eeepc) -{ - if (eeepc->wlan_rfkill) { - rfkill_unregister(eeepc->wlan_rfkill); - rfkill_destroy(eeepc->wlan_rfkill); - eeepc->wlan_rfkill = NULL; - } - if (eeepc->bluetooth_rfkill) { - rfkill_unregister(eeepc->bluetooth_rfkill); - rfkill_destroy(eeepc->bluetooth_rfkill); - eeepc->bluetooth_rfkill = NULL; - } - if (eeepc->wwan3g_rfkill) { - rfkill_unregister(eeepc->wwan3g_rfkill); - rfkill_destroy(eeepc->wwan3g_rfkill); - eeepc->wwan3g_rfkill = NULL; - } -} - -static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc) -{ - int result = 0; - - result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill, - "eeepc-wlan", RFKILL_TYPE_WLAN, - EEEPC_WMI_DEVID_WLAN); - - if (result && result != -ENODEV) - goto exit; - - result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill, - "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH, - EEEPC_WMI_DEVID_BLUETOOTH); - - if (result && result != -ENODEV) - goto exit; - - result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill, - "eeepc-wwan3g", RFKILL_TYPE_WWAN, - EEEPC_WMI_DEVID_WWAN3G); - - if (result && result != -ENODEV) - goto exit; - -exit: - if (result && result != -ENODEV) - eeepc_wmi_rfkill_exit(eeepc); - - if (result == -ENODEV) - result = 0; - - return result; -} - -/* - * Backlight - */ -static int read_brightness(struct backlight_device *bd) -{ - u32 retval; - acpi_status status; - - status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BACKLIGHT, &retval); - - if (ACPI_FAILURE(status)) - return -1; - else - return retval & 0xFF; -} - -static int update_bl_status(struct backlight_device *bd) -{ - - u32 ctrl_param; - acpi_status status; - - ctrl_param = bd->props.brightness; - - status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BACKLIGHT, - ctrl_param, NULL); - - if (ACPI_FAILURE(status)) - return -1; - else - return 0; -} - -static const struct backlight_ops eeepc_wmi_bl_ops = { - .get_brightness = read_brightness, - .update_status = update_bl_status, -}; - -static int eeepc_wmi_backlight_notify(struct eeepc_wmi *eeepc, int code) -{ - struct backlight_device *bd = eeepc->backlight_device; - int old = bd->props.brightness; - int new = old; - - if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) - new = code - NOTIFY_BRNUP_MIN + 1; - else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX) - new = code - NOTIFY_BRNDOWN_MIN; - - bd->props.brightness = new; - backlight_update_status(bd); - backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY); - - return old; -} - -static int eeepc_wmi_backlight_init(struct eeepc_wmi *eeepc) -{ - struct backlight_device *bd; - struct backlight_properties props; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 15; - bd = backlight_device_register(EEEPC_WMI_FILE, - &eeepc->platform_device->dev, eeepc, - &eeepc_wmi_bl_ops, &props); - if (IS_ERR(bd)) { - pr_err("Could not register backlight device\n"); - return PTR_ERR(bd); - } - - eeepc->backlight_device = bd; - - bd->props.brightness = read_brightness(bd); - bd->props.power = FB_BLANK_UNBLANK; - backlight_update_status(bd); - - return 0; -} - -static void eeepc_wmi_backlight_exit(struct eeepc_wmi *eeepc) -{ - if (eeepc->backlight_device) - backlight_device_unregister(eeepc->backlight_device); - - eeepc->backlight_device = NULL; -} - -static void eeepc_wmi_notify(u32 value, void *context) -{ - struct eeepc_wmi *eeepc = context; - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - acpi_status status; - int code; - int orig_code; - - status = wmi_get_event_data(value, &response); - if (status != AE_OK) { - pr_err("bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; - - if (obj && obj->type == ACPI_TYPE_INTEGER) { - code = obj->integer.value; - orig_code = code; - - if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX) - code = NOTIFY_BRNUP_MIN; - else if (code >= NOTIFY_BRNDOWN_MIN && - code <= NOTIFY_BRNDOWN_MAX) - code = NOTIFY_BRNDOWN_MIN; - - if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) { - if (!acpi_video_backlight_support()) - eeepc_wmi_backlight_notify(eeepc, orig_code); - } - - if (!sparse_keymap_report_event(eeepc->inputdev, - code, 1, true)) - pr_info("Unknown key %x pressed\n", code); - } - - kfree(obj); -} - -static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - int value; - struct acpi_buffer input = { (acpi_size)sizeof(value), &value }; - acpi_status status; - - if (!count || sscanf(buf, "%i", &value) != 1) - return -EINVAL; - if (value < 0 || value > 2) - return -EINVAL; - - status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, - 1, EEEPC_WMI_METHODID_CFVS, &input, NULL); - - if (ACPI_FAILURE(status)) - return -EIO; - else - return count; -} - -static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv); - -static struct attribute *platform_attributes[] = { - &dev_attr_cpufv.attr, - NULL -}; - -static struct attribute_group platform_attribute_group = { - .attrs = platform_attributes -}; - -static void eeepc_wmi_sysfs_exit(struct platform_device *device) -{ - sysfs_remove_group(&device->dev.kobj, &platform_attribute_group); -} - -static int eeepc_wmi_sysfs_init(struct platform_device *device) -{ - return sysfs_create_group(&device->dev.kobj, &platform_attribute_group); -} - -/* - * Platform device - */ -static int __init eeepc_wmi_platform_init(struct eeepc_wmi *eeepc) -{ - int err; - - eeepc->platform_device = platform_device_alloc(EEEPC_WMI_FILE, -1); - if (!eeepc->platform_device) - return -ENOMEM; - platform_set_drvdata(eeepc->platform_device, eeepc); - - err = platform_device_add(eeepc->platform_device); - if (err) - goto fail_platform_device; - - err = eeepc_wmi_sysfs_init(eeepc->platform_device); - if (err) - goto fail_sysfs; - return 0; - -fail_sysfs: - platform_device_del(eeepc->platform_device); -fail_platform_device: - platform_device_put(eeepc->platform_device); - return err; -} - -static void eeepc_wmi_platform_exit(struct eeepc_wmi *eeepc) -{ - eeepc_wmi_sysfs_exit(eeepc->platform_device); - platform_device_unregister(eeepc->platform_device); -} - -/* - * debugfs - */ -struct eeepc_wmi_debugfs_node { - struct eeepc_wmi *eeepc; - char *name; - int (*show)(struct seq_file *m, void *data); -}; - -static int show_dsts(struct seq_file *m, void *data) -{ - struct eeepc_wmi *eeepc = m->private; - acpi_status status; - u32 retval = -1; - - status = eeepc_wmi_get_devstate(eeepc->debug.dev_id, &retval); - - if (ACPI_FAILURE(status)) - return -EIO; - - seq_printf(m, "DSTS(%x) = %x\n", eeepc->debug.dev_id, retval); - - return 0; -} - -static int show_devs(struct seq_file *m, void *data) -{ - struct eeepc_wmi *eeepc = m->private; - acpi_status status; - u32 retval = -1; - - status = eeepc_wmi_set_devstate(eeepc->debug.dev_id, - eeepc->debug.ctrl_param, &retval); - if (ACPI_FAILURE(status)) - return -EIO; - - seq_printf(m, "DEVS(%x, %x) = %x\n", eeepc->debug.dev_id, - eeepc->debug.ctrl_param, retval); - - return 0; -} - -static struct eeepc_wmi_debugfs_node eeepc_wmi_debug_files[] = { - { NULL, "devs", show_devs }, - { NULL, "dsts", show_dsts }, -}; - -static int eeepc_wmi_debugfs_open(struct inode *inode, struct file *file) -{ - struct eeepc_wmi_debugfs_node *node = inode->i_private; - - return single_open(file, node->show, node->eeepc); -} - -static const struct file_operations eeepc_wmi_debugfs_io_ops = { - .owner = THIS_MODULE, - .open = eeepc_wmi_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static void eeepc_wmi_debugfs_exit(struct eeepc_wmi *eeepc) -{ - debugfs_remove_recursive(eeepc->debug.root); -} - -static int eeepc_wmi_debugfs_init(struct eeepc_wmi *eeepc) -{ - struct dentry *dent; - int i; - - eeepc->debug.root = debugfs_create_dir(EEEPC_WMI_FILE, NULL); - if (!eeepc->debug.root) { - pr_err("failed to create debugfs directory"); - goto error_debugfs; - } - - dent = debugfs_create_x32("dev_id", S_IRUGO|S_IWUSR, - eeepc->debug.root, &eeepc->debug.dev_id); - if (!dent) - goto error_debugfs; - - dent = debugfs_create_x32("ctrl_param", S_IRUGO|S_IWUSR, - eeepc->debug.root, &eeepc->debug.ctrl_param); - if (!dent) - goto error_debugfs; - - for (i = 0; i < ARRAY_SIZE(eeepc_wmi_debug_files); i++) { - struct eeepc_wmi_debugfs_node *node = &eeepc_wmi_debug_files[i]; - - node->eeepc = eeepc; - dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO, - eeepc->debug.root, node, - &eeepc_wmi_debugfs_io_ops); - if (!dent) { - pr_err("failed to create debug file: %s\n", node->name); - goto error_debugfs; - } - } - - return 0; - -error_debugfs: - eeepc_wmi_debugfs_exit(eeepc); - return -ENOMEM; -} - -/* - * WMI Driver - */ -static struct platform_device * __init eeepc_wmi_add(void) -{ - struct eeepc_wmi *eeepc; - acpi_status status; - int err; - - eeepc = kzalloc(sizeof(struct eeepc_wmi), GFP_KERNEL); - if (!eeepc) - return ERR_PTR(-ENOMEM); - - /* - * Register the platform device first. It is used as a parent for the - * sub-devices below. - */ - err = eeepc_wmi_platform_init(eeepc); - if (err) - goto fail_platform; - - err = eeepc_wmi_input_init(eeepc); - if (err) - goto fail_input; - - err = eeepc_wmi_led_init(eeepc); - if (err) - goto fail_leds; - - err = eeepc_wmi_rfkill_init(eeepc); - if (err) - goto fail_rfkill; - - if (!acpi_video_backlight_support()) { - err = eeepc_wmi_backlight_init(eeepc); - if (err) - goto fail_backlight; - } else - pr_info("Backlight controlled by ACPI video driver\n"); - - status = wmi_install_notify_handler(EEEPC_WMI_EVENT_GUID, - eeepc_wmi_notify, eeepc); - if (ACPI_FAILURE(status)) { - pr_err("Unable to register notify handler - %d\n", - status); - err = -ENODEV; - goto fail_wmi_handler; - } - - err = eeepc_wmi_debugfs_init(eeepc); - if (err) - goto fail_debugfs; - - return eeepc->platform_device; - -fail_debugfs: - wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID); -fail_wmi_handler: - eeepc_wmi_backlight_exit(eeepc); -fail_backlight: - eeepc_wmi_rfkill_exit(eeepc); -fail_rfkill: - eeepc_wmi_led_exit(eeepc); -fail_leds: - eeepc_wmi_input_exit(eeepc); -fail_input: - eeepc_wmi_platform_exit(eeepc); -fail_platform: - kfree(eeepc); - return ERR_PTR(err); -} - -static int eeepc_wmi_remove(struct platform_device *device) -{ - struct eeepc_wmi *eeepc; - - eeepc = platform_get_drvdata(device); - wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID); - eeepc_wmi_backlight_exit(eeepc); - eeepc_wmi_input_exit(eeepc); - eeepc_wmi_led_exit(eeepc); - eeepc_wmi_rfkill_exit(eeepc); - eeepc_wmi_debugfs_exit(eeepc); - eeepc_wmi_platform_exit(eeepc); - - kfree(eeepc); - return 0; -} - -static struct platform_driver platform_driver = { - .driver = { - .name = EEEPC_WMI_FILE, - .owner = THIS_MODULE, - }, -}; - -static acpi_status __init eeepc_wmi_parse_device(acpi_handle handle, u32 level, +static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, void *context, void **retval) { pr_warning("Found legacy ATKD device (%s)", EEEPC_ACPI_HID); @@ -871,7 +87,7 @@ static acpi_status __init eeepc_wmi_parse_device(acpi_handle handle, u32 level, return AE_CTRL_TERMINATE; } -static int __init eeepc_wmi_check_atkd(void) +static int eeepc_wmi_check_atkd(void) { acpi_status status; bool found = false; @@ -884,16 +100,8 @@ static int __init eeepc_wmi_check_atkd(void) return -1; } -static int __init eeepc_wmi_init(void) +static int eeepc_wmi_probe(struct platform_device *pdev) { - int err; - - if (!wmi_has_guid(EEEPC_WMI_EVENT_GUID) || - !wmi_has_guid(EEEPC_WMI_MGMT_GUID)) { - pr_warning("No known WMI GUID found\n"); - return -ENODEV; - } - if (eeepc_wmi_check_atkd()) { pr_warning("WMI device present, but legacy ATKD device is also " "present and enabled."); @@ -901,33 +109,59 @@ static int __init eeepc_wmi_init(void) "acpi_osi=\"!Windows 2009\""); pr_warning("Can't load eeepc-wmi, use default acpi_osi " "(preferred) or eeepc-laptop"); - return -ENODEV; + return -EBUSY; } + return 0; +} - platform_device = eeepc_wmi_add(); - if (IS_ERR(platform_device)) { - err = PTR_ERR(platform_device); - goto fail_eeepc_wmi; - } +static void eeepc_dmi_check(struct asus_wmi_driver *driver) +{ + const char *model; + + model = dmi_get_system_info(DMI_PRODUCT_NAME); + if (!model) + return; - err = platform_driver_register(&platform_driver); - if (err) { - pr_warning("Unable to register platform driver\n"); - goto fail_platform_driver; + /* + * Whitelist for wlan hotplug + * + * Asus 1000H needs the current hotplug code to handle + * Fn+F2 correctly. We may add other Asus here later, but + * it seems that most of the laptops supported by asus-wmi + * don't need to be on this list + */ + if (strcmp(model, "1000H") == 0) { + driver->hotplug_wireless = true; + pr_info("wlan hotplug enabled\n"); } +} + +static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) +{ + driver->hotplug_wireless = hotplug_wireless; + eeepc_dmi_check(driver); +} + +static struct asus_wmi_driver asus_wmi_driver = { + .name = EEEPC_WMI_FILE, + .owner = THIS_MODULE, + .event_guid = EEEPC_WMI_EVENT_GUID, + .keymap = eeepc_wmi_keymap, + .input_name = "Eee PC WMI hotkeys", + .input_phys = EEEPC_WMI_FILE "/input0", + .probe = eeepc_wmi_probe, + .quirks = eeepc_wmi_quirks, +}; - return 0; -fail_platform_driver: - eeepc_wmi_remove(platform_device); -fail_eeepc_wmi: - return err; +static int __init eeepc_wmi_init(void) +{ + return asus_wmi_register_driver(&asus_wmi_driver); } static void __exit eeepc_wmi_exit(void) { - eeepc_wmi_remove(platform_device); - platform_driver_unregister(&platform_driver); + asus_wmi_unregister_driver(&asus_wmi_driver); } module_init(eeepc_wmi_init); diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 9e05af9c41c..1bc4a7539ba 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -2,6 +2,7 @@ * HP WMI hotkeys * * Copyright (C) 2008 Red Hat <mjg@redhat.com> + * Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi> * * Portions based on wistron_btns.c: * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> @@ -51,6 +52,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4"); #define HPWMI_HARDWARE_QUERY 0x4 #define HPWMI_WIRELESS_QUERY 0x5 #define HPWMI_HOTKEY_QUERY 0xc +#define HPWMI_WIRELESS2_QUERY 0x1b #define PREFIX "HP WMI: " #define UNIMP "Unimplemented " @@ -86,7 +88,46 @@ struct bios_args { struct bios_return { u32 sigpass; u32 return_code; - u32 value; +}; + +enum hp_return_value { + HPWMI_RET_WRONG_SIGNATURE = 0x02, + HPWMI_RET_UNKNOWN_COMMAND = 0x03, + HPWMI_RET_UNKNOWN_CMDTYPE = 0x04, + HPWMI_RET_INVALID_PARAMETERS = 0x05, +}; + +enum hp_wireless2_bits { + HPWMI_POWER_STATE = 0x01, + HPWMI_POWER_SOFT = 0x02, + HPWMI_POWER_BIOS = 0x04, + HPWMI_POWER_HARD = 0x08, +}; + +#define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \ + != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) +#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT) + +struct bios_rfkill2_device_state { + u8 radio_type; + u8 bus_type; + u16 vendor_id; + u16 product_id; + u16 subsys_vendor_id; + u16 subsys_product_id; + u8 rfkill_id; + u8 power; + u8 unknown[4]; +}; + +/* 7 devices fit into the 128 byte buffer */ +#define HPWMI_MAX_RFKILL2_DEVICES 7 + +struct bios_rfkill2_state { + u8 unknown[7]; + u8 count; + u8 pad[8]; + struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES]; }; static const struct key_entry hp_wmi_keymap[] = { @@ -108,6 +149,15 @@ static struct rfkill *wifi_rfkill; static struct rfkill *bluetooth_rfkill; static struct rfkill *wwan_rfkill; +struct rfkill2_device { + u8 id; + int num; + struct rfkill *rfkill; +}; + +static int rfkill2_count; +static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES]; + static const struct dev_pm_ops hp_wmi_pm_ops = { .resume = hp_wmi_resume_handler, .restore = hp_wmi_resume_handler, @@ -129,7 +179,8 @@ static struct platform_driver hp_wmi_driver = { * query: The commandtype -> What should be queried * write: The command -> 0 read, 1 write, 3 ODM specific * buffer: Buffer used as input and/or output - * buffersize: Size of buffer + * insize: Size of input buffer + * outsize: Size of output buffer * * returns zero on success * an HP WMI query specific error code (which is positive) @@ -140,25 +191,29 @@ static struct platform_driver hp_wmi_driver = { * size. E.g. Battery info query (0x7) is defined to have 1 byte input * and 128 byte output. The caller would do: * buffer = kzalloc(128, GFP_KERNEL); - * ret = hp_wmi_perform_query(0x7, 0, buffer, 128) + * ret = hp_wmi_perform_query(0x7, 0, buffer, 1, 128) */ -static int hp_wmi_perform_query(int query, int write, u32 *buffer, - int buffersize) +static int hp_wmi_perform_query(int query, int write, void *buffer, + int insize, int outsize) { - struct bios_return bios_return; - acpi_status status; + struct bios_return *bios_return; + int actual_outsize; union acpi_object *obj; struct bios_args args = { .signature = 0x55434553, .command = write ? 0x2 : 0x1, .commandtype = query, - .datasize = buffersize, - .data = *buffer, + .datasize = insize, + .data = 0, }; 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); + if (WARN_ON(insize > sizeof(args.data))) + return -EINVAL; + memcpy(&args.data, buffer, insize); + + wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output); obj = output.pointer; @@ -169,10 +224,26 @@ static int hp_wmi_perform_query(int query, int write, u32 *buffer, return -EINVAL; } - bios_return = *((struct bios_return *)obj->buffer.pointer); + bios_return = (struct bios_return *)obj->buffer.pointer; - memcpy(buffer, &bios_return.value, sizeof(bios_return.value)); + if (bios_return->return_code) { + if (bios_return->return_code != HPWMI_RET_UNKNOWN_CMDTYPE) + printk(KERN_WARNING PREFIX "query 0x%x returned " + "error 0x%x\n", + query, bios_return->return_code); + kfree(obj); + return bios_return->return_code; + } + + if (!outsize) { + /* ignore output data */ + kfree(obj); + return 0; + } + actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return))); + memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize); + memset(buffer + actual_outsize, 0, outsize - actual_outsize); kfree(obj); return 0; } @@ -181,7 +252,7 @@ static int hp_wmi_display_state(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state, - sizeof(state)); + sizeof(state), sizeof(state)); if (ret) return -EINVAL; return state; @@ -191,7 +262,7 @@ static int hp_wmi_hddtemp_state(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state, - sizeof(state)); + sizeof(state), sizeof(state)); if (ret) return -EINVAL; return state; @@ -201,7 +272,7 @@ static int hp_wmi_als_state(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state, - sizeof(state)); + sizeof(state), sizeof(state)); if (ret) return -EINVAL; return state; @@ -211,7 +282,7 @@ static int hp_wmi_dock_state(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, - sizeof(state)); + sizeof(state), sizeof(state)); if (ret) return -EINVAL; @@ -223,7 +294,7 @@ static int hp_wmi_tablet_state(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state, - sizeof(state)); + sizeof(state), sizeof(state)); if (ret) return ret; @@ -237,7 +308,7 @@ static int hp_wmi_set_block(void *data, bool blocked) int ret; ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, - &query, sizeof(query)); + &query, sizeof(query), 0); if (ret) return -EINVAL; return 0; @@ -252,7 +323,8 @@ static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) int wireless = 0; int mask; hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, - &wireless, sizeof(wireless)); + &wireless, sizeof(wireless), + sizeof(wireless)); /* TBD: Pass error */ mask = 0x200 << (r * 8); @@ -268,7 +340,8 @@ static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) int wireless = 0; int mask; hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, - &wireless, sizeof(wireless)); + &wireless, sizeof(wireless), + sizeof(wireless)); /* TBD: Pass error */ mask = 0x800 << (r * 8); @@ -279,6 +352,51 @@ static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) return true; } +static int hp_wmi_rfkill2_set_block(void *data, bool blocked) +{ + int rfkill_id = (int)(long)data; + char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked }; + + if (hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 1, + buffer, sizeof(buffer), 0)) + return -EINVAL; + return 0; +} + +static const struct rfkill_ops hp_wmi_rfkill2_ops = { + .set_block = hp_wmi_rfkill2_set_block, +}; + +static int hp_wmi_rfkill2_refresh(void) +{ + int err, i; + struct bios_rfkill2_state state; + + err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state, + 0, sizeof(state)); + if (err) + return err; + + for (i = 0; i < rfkill2_count; i++) { + int num = rfkill2[i].num; + struct bios_rfkill2_device_state *devstate; + devstate = &state.device[num]; + + if (num >= state.count || + devstate->rfkill_id != rfkill2[i].id) { + printk(KERN_WARNING PREFIX "power configuration of " + "the wireless devices unexpectedly changed\n"); + continue; + } + + rfkill_set_states(rfkill2[i].rfkill, + IS_SWBLOCKED(devstate->power), + IS_HWBLOCKED(devstate->power)); + } + + return 0; +} + static ssize_t show_display(struct device *dev, struct device_attribute *attr, char *buf) { @@ -329,7 +447,7 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr, { u32 tmp = simple_strtoul(buf, NULL, 10); int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp, - sizeof(tmp)); + sizeof(tmp), sizeof(tmp)); if (ret) return -EINVAL; @@ -402,6 +520,7 @@ static void hp_wmi_notify(u32 value, void *context) case HPWMI_BEZEL_BUTTON: ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0, &key_code, + sizeof(key_code), sizeof(key_code)); if (ret) break; @@ -412,6 +531,11 @@ static void hp_wmi_notify(u32 value, void *context) key_code); break; case HPWMI_WIRELESS: + if (rfkill2_count) { + hp_wmi_rfkill2_refresh(); + break; + } + if (wifi_rfkill) rfkill_set_states(wifi_rfkill, hp_wmi_get_sw_state(HPWMI_WIFI), @@ -502,32 +626,16 @@ static void cleanup_sysfs(struct platform_device *device) device_remove_file(&device->dev, &dev_attr_tablet); } -static int __devinit hp_wmi_bios_setup(struct platform_device *device) +static int __devinit hp_wmi_rfkill_setup(struct platform_device *device) { int err; int wireless = 0; err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless, - sizeof(wireless)); + sizeof(wireless), sizeof(wireless)); if (err) return err; - 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; - err = device_create_file(&device->dev, &dev_attr_tablet); - if (err) - goto add_sysfs_error; - if (wireless & 0x1) { wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev, RFKILL_TYPE_WLAN, @@ -573,14 +681,131 @@ static int __devinit hp_wmi_bios_setup(struct platform_device *device) return 0; register_wwan_err: rfkill_destroy(wwan_rfkill); + wwan_rfkill = NULL; if (bluetooth_rfkill) rfkill_unregister(bluetooth_rfkill); register_bluetooth_error: rfkill_destroy(bluetooth_rfkill); + bluetooth_rfkill = NULL; if (wifi_rfkill) rfkill_unregister(wifi_rfkill); register_wifi_error: rfkill_destroy(wifi_rfkill); + wifi_rfkill = NULL; + return err; +} + +static int __devinit hp_wmi_rfkill2_setup(struct platform_device *device) +{ + int err, i; + struct bios_rfkill2_state state; + err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state, + 0, sizeof(state)); + if (err) + return err; + + if (state.count > HPWMI_MAX_RFKILL2_DEVICES) { + printk(KERN_WARNING PREFIX "unable to parse 0x1b query output\n"); + return -EINVAL; + } + + for (i = 0; i < state.count; i++) { + struct rfkill *rfkill; + enum rfkill_type type; + char *name; + switch (state.device[i].radio_type) { + case HPWMI_WIFI: + type = RFKILL_TYPE_WLAN; + name = "hp-wifi"; + break; + case HPWMI_BLUETOOTH: + type = RFKILL_TYPE_BLUETOOTH; + name = "hp-bluetooth"; + break; + case HPWMI_WWAN: + type = RFKILL_TYPE_WWAN; + name = "hp-wwan"; + break; + default: + printk(KERN_WARNING PREFIX "unknown device type 0x%x\n", + state.device[i].radio_type); + continue; + } + + if (!state.device[i].vendor_id) { + printk(KERN_WARNING PREFIX "zero device %d while %d " + "reported\n", i, state.count); + continue; + } + + rfkill = rfkill_alloc(name, &device->dev, type, + &hp_wmi_rfkill2_ops, (void *)(long)i); + if (!rfkill) { + err = -ENOMEM; + goto fail; + } + + rfkill2[rfkill2_count].id = state.device[i].rfkill_id; + rfkill2[rfkill2_count].num = i; + rfkill2[rfkill2_count].rfkill = rfkill; + + rfkill_init_sw_state(rfkill, + IS_SWBLOCKED(state.device[i].power)); + rfkill_set_hw_state(rfkill, + IS_HWBLOCKED(state.device[i].power)); + + if (!(state.device[i].power & HPWMI_POWER_BIOS)) + printk(KERN_INFO PREFIX "device %s blocked by BIOS\n", + name); + + err = rfkill_register(rfkill); + if (err) { + rfkill_destroy(rfkill); + goto fail; + } + + rfkill2_count++; + } + + return 0; +fail: + for (; rfkill2_count > 0; rfkill2_count--) { + rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill); + rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill); + } + return err; +} + +static int __devinit hp_wmi_bios_setup(struct platform_device *device) +{ + int err; + + /* clear detected rfkill devices */ + wifi_rfkill = NULL; + bluetooth_rfkill = NULL; + wwan_rfkill = NULL; + rfkill2_count = 0; + + if (hp_wmi_rfkill_setup(device)) + hp_wmi_rfkill2_setup(device); + + 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; + err = device_create_file(&device->dev, &dev_attr_tablet); + if (err) + goto add_sysfs_error; + return 0; + add_sysfs_error: cleanup_sysfs(device); return err; @@ -588,8 +813,14 @@ add_sysfs_error: static int __exit hp_wmi_bios_remove(struct platform_device *device) { + int i; cleanup_sysfs(device); + for (i = 0; i < rfkill2_count; i++) { + rfkill_unregister(rfkill2[i].rfkill); + rfkill_destroy(rfkill2[i].rfkill); + } + if (wifi_rfkill) { rfkill_unregister(wifi_rfkill); rfkill_destroy(wifi_rfkill); @@ -622,6 +853,9 @@ static int hp_wmi_resume_handler(struct device *device) input_sync(hp_wmi_input_dev); } + if (rfkill2_count) + hp_wmi_rfkill2_refresh(); + if (wifi_rfkill) rfkill_set_states(wifi_rfkill, hp_wmi_get_sw_state(HPWMI_WIFI), diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 114d95247cd..21b101899ba 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -459,6 +459,8 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) if (test_bit(vpc_bit, &vpc1)) { if (vpc_bit == 9) ideapad_sync_rfk_state(adevice); + else if (vpc_bit == 4) + read_ec_data(handle, 0x12, &vpc2); else ideapad_input_report(priv, vpc_bit); } diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index 1294a39373b..85c8ad43c0c 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -1111,7 +1111,7 @@ static int ips_monitor(void *data) last_msecs = jiffies_to_msecs(jiffies); expire = jiffies + msecs_to_jiffies(IPS_SAMPLE_PERIOD); - __set_current_state(TASK_UNINTERRUPTIBLE); + __set_current_state(TASK_INTERRUPTIBLE); mod_timer(&timer, expire); schedule(); diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c new file mode 100644 index 00000000000..213e79ba68d --- /dev/null +++ b/drivers/platform/x86/intel_mid_powerbtn.c @@ -0,0 +1,148 @@ +/* + * Power button driver for Medfield. + * + * Copyright (C) 2010 Intel Corp + * + * 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. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/input.h> +#include <asm/intel_scu_ipc.h> + +#define DRIVER_NAME "msic_power_btn" + +#define MSIC_IRQ_STAT 0x02 + #define MSIC_IRQ_PB (1 << 0) +#define MSIC_PB_CONFIG 0x3e +#define MSIC_PB_STATUS 0x3f + #define MSIC_PB_LEVEL (1 << 3) /* 1 - release, 0 - press */ + +struct mfld_pb_priv { + struct input_dev *input; + unsigned int irq; +}; + +static irqreturn_t mfld_pb_isr(int irq, void *dev_id) +{ + struct mfld_pb_priv *priv = dev_id; + int ret; + u8 pbstat; + + ret = intel_scu_ipc_ioread8(MSIC_PB_STATUS, &pbstat); + if (ret < 0) + return IRQ_HANDLED; + + input_event(priv->input, EV_KEY, KEY_POWER, !(pbstat & MSIC_PB_LEVEL)); + input_sync(priv->input); + + return IRQ_HANDLED; +} + +static int __devinit mfld_pb_probe(struct platform_device *pdev) +{ + struct mfld_pb_priv *priv; + struct input_dev *input; + int irq; + int error; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return -EINVAL; + + priv = kzalloc(sizeof(struct mfld_pb_priv), GFP_KERNEL); + input = input_allocate_device(); + if (!priv || !input) { + error = -ENOMEM; + goto err_free_mem; + } + + priv->input = input; + priv->irq = irq; + + input->name = pdev->name; + input->phys = "power-button/input0"; + input->id.bustype = BUS_HOST; + input->dev.parent = &pdev->dev; + + input_set_capability(input, EV_KEY, KEY_POWER); + + error = request_threaded_irq(priv->irq, NULL, mfld_pb_isr, + 0, DRIVER_NAME, priv); + if (error) { + dev_err(&pdev->dev, + "unable to request irq %d for mfld power button\n", + irq); + goto err_free_mem; + } + + error = input_register_device(input); + if (error) { + dev_err(&pdev->dev, + "unable to register input dev, error %d\n", error); + goto err_free_irq; + } + + platform_set_drvdata(pdev, priv); + return 0; + +err_free_irq: + free_irq(priv->irq, priv); +err_free_mem: + input_free_device(input); + kfree(priv); + return error; +} + +static int __devexit mfld_pb_remove(struct platform_device *pdev) +{ + struct mfld_pb_priv *priv = platform_get_drvdata(pdev); + + free_irq(priv->irq, priv); + input_unregister_device(priv->input); + kfree(priv); + + platform_set_drvdata(pdev, NULL); + return 0; +} + +static struct platform_driver mfld_pb_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, + .probe = mfld_pb_probe, + .remove = __devexit_p(mfld_pb_remove), +}; + +static int __init mfld_pb_init(void) +{ + return platform_driver_register(&mfld_pb_driver); +} +module_init(mfld_pb_init); + +static void __exit mfld_pb_exit(void) +{ + platform_driver_unregister(&mfld_pb_driver); +} +module_exit(mfld_pb_exit); + +MODULE_AUTHOR("Hong Liu <hong.liu@intel.com>"); +MODULE_DESCRIPTION("Intel Medfield Power Button Driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c new file mode 100644 index 00000000000..6c12db50316 --- /dev/null +++ b/drivers/platform/x86/intel_mid_thermal.c @@ -0,0 +1,576 @@ +/* + * intel_mid_thermal.c - Intel MID platform thermal driver + * + * Copyright (C) 2011 Intel Corporation + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * 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. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * Author: Durgadoss R <durgadoss.r@intel.com> + */ + +#define pr_fmt(fmt) "intel_mid_thermal: " fmt + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/param.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/pm.h> +#include <linux/thermal.h> + +#include <asm/intel_scu_ipc.h> + +/* Number of thermal sensors */ +#define MSIC_THERMAL_SENSORS 4 + +/* ADC1 - thermal registers */ +#define MSIC_THERM_ADC1CNTL1 0x1C0 +#define MSIC_ADC_ENBL 0x10 +#define MSIC_ADC_START 0x08 + +#define MSIC_THERM_ADC1CNTL3 0x1C2 +#define MSIC_ADCTHERM_ENBL 0x04 +#define MSIC_ADCRRDATA_ENBL 0x05 +#define MSIC_CHANL_MASK_VAL 0x0F + +#define MSIC_STOPBIT_MASK 16 +#define MSIC_ADCTHERM_MASK 4 +#define ADC_CHANLS_MAX 15 /* Number of ADC channels */ +#define ADC_LOOP_MAX (ADC_CHANLS_MAX - MSIC_THERMAL_SENSORS) + +/* ADC channel code values */ +#define SKIN_SENSOR0_CODE 0x08 +#define SKIN_SENSOR1_CODE 0x09 +#define SYS_SENSOR_CODE 0x0A +#define MSIC_DIE_SENSOR_CODE 0x03 + +#define SKIN_THERM_SENSOR0 0 +#define SKIN_THERM_SENSOR1 1 +#define SYS_THERM_SENSOR2 2 +#define MSIC_DIE_THERM_SENSOR3 3 + +/* ADC code range */ +#define ADC_MAX 977 +#define ADC_MIN 162 +#define ADC_VAL0C 887 +#define ADC_VAL20C 720 +#define ADC_VAL40C 508 +#define ADC_VAL60C 315 + +/* ADC base addresses */ +#define ADC_CHNL_START_ADDR 0x1C5 /* increments by 1 */ +#define ADC_DATA_START_ADDR 0x1D4 /* increments by 2 */ + +/* MSIC die attributes */ +#define MSIC_DIE_ADC_MIN 488 +#define MSIC_DIE_ADC_MAX 1004 + +/* This holds the address of the first free ADC channel, + * among the 15 channels + */ +static int channel_index; + +struct platform_info { + struct platform_device *pdev; + struct thermal_zone_device *tzd[MSIC_THERMAL_SENSORS]; +}; + +struct thermal_device_info { + unsigned int chnl_addr; + int direct; + /* This holds the current temperature in millidegree celsius */ + long curr_temp; +}; + +/** + * to_msic_die_temp - converts adc_val to msic_die temperature + * @adc_val: ADC value to be converted + * + * Can sleep + */ +static int to_msic_die_temp(uint16_t adc_val) +{ + return (368 * (adc_val) / 1000) - 220; +} + +/** + * is_valid_adc - checks whether the adc code is within the defined range + * @min: minimum value for the sensor + * @max: maximum value for the sensor + * + * Can sleep + */ +static int is_valid_adc(uint16_t adc_val, uint16_t min, uint16_t max) +{ + return (adc_val >= min) && (adc_val <= max); +} + +/** + * adc_to_temp - converts the ADC code to temperature in C + * @direct: true if ths channel is direct index + * @adc_val: the adc_val that needs to be converted + * @tp: temperature return value + * + * Linear approximation is used to covert the skin adc value into temperature. + * This technique is used to avoid very long look-up table to get + * the appropriate temp value from ADC value. + * The adc code vs sensor temp curve is split into five parts + * to achieve very close approximate temp value with less than + * 0.5C error + */ +static int adc_to_temp(int direct, uint16_t adc_val, unsigned long *tp) +{ + int temp; + + /* Direct conversion for die temperature */ + if (direct) { + if (is_valid_adc(adc_val, MSIC_DIE_ADC_MIN, MSIC_DIE_ADC_MAX)) { + *tp = to_msic_die_temp(adc_val) * 1000; + return 0; + } + return -ERANGE; + } + + if (!is_valid_adc(adc_val, ADC_MIN, ADC_MAX)) + return -ERANGE; + + /* Linear approximation for skin temperature */ + if (adc_val > ADC_VAL0C) + temp = 177 - (adc_val/5); + else if ((adc_val <= ADC_VAL0C) && (adc_val > ADC_VAL20C)) + temp = 111 - (adc_val/8); + else if ((adc_val <= ADC_VAL20C) && (adc_val > ADC_VAL40C)) + temp = 92 - (adc_val/10); + else if ((adc_val <= ADC_VAL40C) && (adc_val > ADC_VAL60C)) + temp = 91 - (adc_val/10); + else + temp = 112 - (adc_val/6); + + /* Convert temperature in celsius to milli degree celsius */ + *tp = temp * 1000; + return 0; +} + +/** + * mid_read_temp - read sensors for temperature + * @temp: holds the current temperature for the sensor after reading + * + * reads the adc_code from the channel and converts it to real + * temperature. The converted value is stored in temp. + * + * Can sleep + */ +static int mid_read_temp(struct thermal_zone_device *tzd, unsigned long *temp) +{ + struct thermal_device_info *td_info = tzd->devdata; + uint16_t adc_val, addr; + uint8_t data = 0; + int ret; + unsigned long curr_temp; + + + addr = td_info->chnl_addr; + + /* Enable the msic for conversion before reading */ + ret = intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL3, MSIC_ADCRRDATA_ENBL); + if (ret) + return ret; + + /* Re-toggle the RRDATARD bit (temporary workaround) */ + ret = intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL3, MSIC_ADCTHERM_ENBL); + if (ret) + return ret; + + /* Read the higher bits of data */ + ret = intel_scu_ipc_ioread8(addr, &data); + if (ret) + return ret; + + /* Shift bits to accomodate the lower two data bits */ + adc_val = (data << 2); + addr++; + + ret = intel_scu_ipc_ioread8(addr, &data);/* Read lower bits */ + if (ret) + return ret; + + /* Adding lower two bits to the higher bits */ + data &= 03; + adc_val += data; + + /* Convert ADC value to temperature */ + ret = adc_to_temp(td_info->direct, adc_val, &curr_temp); + if (ret == 0) + *temp = td_info->curr_temp = curr_temp; + return ret; +} + +/** + * configure_adc - enables/disables the ADC for conversion + * @val: zero: disables the ADC non-zero:enables the ADC + * + * Enable/Disable the ADC depending on the argument + * + * Can sleep + */ +static int configure_adc(int val) +{ + int ret; + uint8_t data; + + ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL1, &data); + if (ret) + return ret; + + if (val) { + /* Enable and start the ADC */ + data |= (MSIC_ADC_ENBL | MSIC_ADC_START); + } else { + /* Just stop the ADC */ + data &= (~MSIC_ADC_START); + } + + return intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL1, data); +} + +/** + * set_up_therm_channel - enable thermal channel for conversion + * @base_addr: index of free msic ADC channel + * + * Enable all the three channels for conversion + * + * Can sleep + */ +static int set_up_therm_channel(u16 base_addr) +{ + int ret; + + /* Enable all the sensor channels */ + ret = intel_scu_ipc_iowrite8(base_addr, SKIN_SENSOR0_CODE); + if (ret) + return ret; + + ret = intel_scu_ipc_iowrite8(base_addr + 1, SKIN_SENSOR1_CODE); + if (ret) + return ret; + + ret = intel_scu_ipc_iowrite8(base_addr + 2, SYS_SENSOR_CODE); + if (ret) + return ret; + + /* Since this is the last channel, set the stop bit + to 1 by ORing the DIE_SENSOR_CODE with 0x10 */ + ret = intel_scu_ipc_iowrite8(base_addr + 3, + (MSIC_DIE_SENSOR_CODE | 0x10)); + if (ret) + return ret; + + /* Enable ADC and start it */ + return configure_adc(1); +} + +/** + * reset_stopbit - sets the stop bit to 0 on the given channel + * @addr: address of the channel + * + * Can sleep + */ +static int reset_stopbit(uint16_t addr) +{ + int ret; + uint8_t data; + ret = intel_scu_ipc_ioread8(addr, &data); + if (ret) + return ret; + /* Set the stop bit to zero */ + return intel_scu_ipc_iowrite8(addr, (data & 0xEF)); +} + +/** + * find_free_channel - finds an empty channel for conversion + * + * If the ADC is not enabled then start using 0th channel + * itself. Otherwise find an empty channel by looking for a + * channel in which the stopbit is set to 1. returns the index + * of the first free channel if succeeds or an error code. + * + * Context: can sleep + * + * FIXME: Ultimately the channel allocator will move into the intel_scu_ipc + * code. + */ +static int find_free_channel(void) +{ + int ret; + int i; + uint8_t data; + + /* check whether ADC is enabled */ + ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL1, &data); + if (ret) + return ret; + + if ((data & MSIC_ADC_ENBL) == 0) + return 0; + + /* ADC is already enabled; Looking for an empty channel */ + for (i = 0; i < ADC_CHANLS_MAX; i++) { + ret = intel_scu_ipc_ioread8(ADC_CHNL_START_ADDR + i, &data); + if (ret) + return ret; + + if (data & MSIC_STOPBIT_MASK) { + ret = i; + break; + } + } + return (ret > ADC_LOOP_MAX) ? (-EINVAL) : ret; +} + +/** + * mid_initialize_adc - initializing the ADC + * @dev: our device structure + * + * Initialize the ADC for reading thermistor values. Can sleep. + */ +static int mid_initialize_adc(struct device *dev) +{ + u8 data; + u16 base_addr; + int ret; + + /* + * Ensure that adctherm is disabled before we + * initialize the ADC + */ + ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL3, &data); + if (ret) + return ret; + + if (data & MSIC_ADCTHERM_MASK) + dev_warn(dev, "ADCTHERM already set"); + + /* Index of the first channel in which the stop bit is set */ + channel_index = find_free_channel(); + if (channel_index < 0) { + dev_err(dev, "No free ADC channels"); + return channel_index; + } + + base_addr = ADC_CHNL_START_ADDR + channel_index; + + if (!(channel_index == 0 || channel_index == ADC_LOOP_MAX)) { + /* Reset stop bit for channels other than 0 and 12 */ + ret = reset_stopbit(base_addr); + if (ret) + return ret; + + /* Index of the first free channel */ + base_addr++; + channel_index++; + } + + ret = set_up_therm_channel(base_addr); + if (ret) { + dev_err(dev, "unable to enable ADC"); + return ret; + } + dev_dbg(dev, "ADC initialization successful"); + return ret; +} + +/** + * initialize_sensor - sets default temp and timer ranges + * @index: index of the sensor + * + * Context: can sleep + */ +static struct thermal_device_info *initialize_sensor(int index) +{ + struct thermal_device_info *td_info = + kzalloc(sizeof(struct thermal_device_info), GFP_KERNEL); + + if (!td_info) + return NULL; + + /* Set the base addr of the channel for this sensor */ + td_info->chnl_addr = ADC_DATA_START_ADDR + 2 * (channel_index + index); + /* Sensor 3 is direct conversion */ + if (index == 3) + td_info->direct = 1; + return td_info; +} + +/** + * mid_thermal_resume - resume routine + * @pdev: platform device structure + * + * mid thermal resume: re-initializes the adc. Can sleep. + */ +static int mid_thermal_resume(struct platform_device *pdev) +{ + return mid_initialize_adc(&pdev->dev); +} + +/** + * mid_thermal_suspend - suspend routine + * @pdev: platform device structure + * + * mid thermal suspend implements the suspend functionality + * by stopping the ADC. Can sleep. + */ +static int mid_thermal_suspend(struct platform_device *pdev, pm_message_t mesg) +{ + /* + * This just stops the ADC and does not disable it. + * temporary workaround until we have a generic ADC driver. + * If 0 is passed, it disables the ADC. + */ + return configure_adc(0); +} + +/** + * read_curr_temp - reads the current temperature and stores in temp + * @temp: holds the current temperature value after reading + * + * Can sleep + */ +static int read_curr_temp(struct thermal_zone_device *tzd, unsigned long *temp) +{ + WARN_ON(tzd == NULL); + return mid_read_temp(tzd, temp); +} + +/* Can't be const */ +static struct thermal_zone_device_ops tzd_ops = { + .get_temp = read_curr_temp, +}; + + +/** + * mid_thermal_probe - mfld thermal initialize + * @pdev: platform device structure + * + * mid thermal probe initializes the hardware and registers + * all the sensors with the generic thermal framework. Can sleep. + */ +static int mid_thermal_probe(struct platform_device *pdev) +{ + static char *name[MSIC_THERMAL_SENSORS] = { + "skin0", "skin1", "sys", "msicdie" + }; + + int ret; + int i; + struct platform_info *pinfo; + + pinfo = kzalloc(sizeof(struct platform_info), GFP_KERNEL); + if (!pinfo) + return -ENOMEM; + + /* Initializing the hardware */ + ret = mid_initialize_adc(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "ADC init failed"); + kfree(pinfo); + return ret; + } + + /* Register each sensor with the generic thermal framework*/ + for (i = 0; i < MSIC_THERMAL_SENSORS; i++) { + pinfo->tzd[i] = thermal_zone_device_register(name[i], + 0, initialize_sensor(i), + &tzd_ops, 0, 0, 0, 0); + if (IS_ERR(pinfo->tzd[i])) + goto reg_fail; + } + + pinfo->pdev = pdev; + platform_set_drvdata(pdev, pinfo); + return 0; + +reg_fail: + ret = PTR_ERR(pinfo->tzd[i]); + while (--i >= 0) + thermal_zone_device_unregister(pinfo->tzd[i]); + configure_adc(0); + kfree(pinfo); + return ret; +} + +/** + * mid_thermal_remove - mfld thermal finalize + * @dev: platform device structure + * + * MLFD thermal remove unregisters all the sensors from the generic + * thermal framework. Can sleep. + */ +static int mid_thermal_remove(struct platform_device *pdev) +{ + int i; + struct platform_info *pinfo = platform_get_drvdata(pdev); + + for (i = 0; i < MSIC_THERMAL_SENSORS; i++) + thermal_zone_device_unregister(pinfo->tzd[i]); + + platform_set_drvdata(pdev, NULL); + + /* Stop the ADC */ + return configure_adc(0); +} + +/********************************************************************* + * Driver initialisation and finalization + *********************************************************************/ + +#define DRIVER_NAME "msic_sensor" + +static const struct platform_device_id therm_id_table[] = { + { DRIVER_NAME, 1 }, + { } +}; + +static struct platform_driver mid_thermal_driver = { + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, + .probe = mid_thermal_probe, + .suspend = mid_thermal_suspend, + .resume = mid_thermal_resume, + .remove = __devexit_p(mid_thermal_remove), + .id_table = therm_id_table, +}; + +static int __init mid_thermal_module_init(void) +{ + return platform_driver_register(&mid_thermal_driver); +} + +static void __exit mid_thermal_module_exit(void) +{ + platform_driver_unregister(&mid_thermal_driver); +} + +module_init(mid_thermal_module_init); +module_exit(mid_thermal_module_exit); + +MODULE_AUTHOR("Durgadoss R <durgadoss.r@intel.com>"); +MODULE_DESCRIPTION("Intel Medfield Platform Thermal Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/intel_rar_register.c b/drivers/platform/x86/intel_rar_register.c index 2b11a33325e..bde47e9080c 100644 --- a/drivers/platform/x86/intel_rar_register.c +++ b/drivers/platform/x86/intel_rar_register.c @@ -485,7 +485,7 @@ EXPORT_SYMBOL(rar_lock); * * The register_rar function is to used by other device drivers * to ensure that this driver is ready. As we cannot be sure of - * the compile/execute order of drivers in ther kernel, it is + * the compile/execute order of drivers in the kernel, it is * best to give this driver a callback function to call when * it is ready to give out addresses. The callback function * would have those steps that continue the initialization of diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index a91d510a798..940accbe28d 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -9,7 +9,7 @@ * as published by the Free Software Foundation; version 2 * of the License. * - * SCU runing in ARC processor communicates with other entity running in IA + * SCU running in ARC processor communicates with other entity running in IA * core through IPC mechanism which in turn messaging between IA core ad SCU. * SCU has two IPC mechanism IPC-1 and IPC-2. IPC-1 is used between IA32 and * SCU where IPC-2 is used between P-Unit and SCU. This driver delas with diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index 142d3857931..23fb2afda00 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -51,6 +51,8 @@ * laptop as MSI S270. YMMV. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -60,6 +62,8 @@ #include <linux/platform_device.h> #include <linux/rfkill.h> #include <linux/i8042.h> +#include <linux/input.h> +#include <linux/input/sparse-keymap.h> #define MSI_DRIVER_VERSION "0.5" @@ -78,6 +82,9 @@ #define MSI_STANDARD_EC_SCM_LOAD_ADDRESS 0x2d #define MSI_STANDARD_EC_SCM_LOAD_MASK (1 << 0) +#define MSI_STANDARD_EC_TOUCHPAD_ADDRESS 0xe4 +#define MSI_STANDARD_EC_TOUCHPAD_MASK (1 << 4) + static int msi_laptop_resume(struct platform_device *device); #define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS 0x2f @@ -90,6 +97,14 @@ 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)"); +static const struct key_entry msi_laptop_keymap[] = { + {KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} }, /* Touch Pad On */ + {KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },/* Touch Pad On */ + {KE_END, 0} +}; + +static struct input_dev *msi_laptop_input_dev; + static bool old_ec_model; static int wlan_s, bluetooth_s, threeg_s; static int threeg_exists; @@ -432,8 +447,7 @@ static struct platform_device *msipf_device; static int dmi_check_cb(const struct dmi_system_id *id) { - printk(KERN_INFO "msi-laptop: Identified laptop model '%s'.\n", - id->ident); + pr_info("Identified laptop model '%s'.\n", id->ident); return 1; } @@ -605,6 +619,21 @@ static void msi_update_rfkill(struct work_struct *ignored) } static DECLARE_DELAYED_WORK(msi_rfkill_work, msi_update_rfkill); +static void msi_send_touchpad_key(struct work_struct *ignored) +{ + u8 rdata; + int result; + + result = ec_read(MSI_STANDARD_EC_TOUCHPAD_ADDRESS, &rdata); + if (result < 0) + return; + + sparse_keymap_report_event(msi_laptop_input_dev, + (rdata & MSI_STANDARD_EC_TOUCHPAD_MASK) ? + KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF, 1, true); +} +static DECLARE_DELAYED_WORK(msi_touchpad_work, msi_send_touchpad_key); + static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, struct serio *port) { @@ -613,12 +642,17 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, if (str & 0x20) return false; - /* 0x54 wwan, 0x62 bluetooth, 0x76 wlan*/ + /* 0x54 wwan, 0x62 bluetooth, 0x76 wlan, 0xE4 touchpad toggle*/ if (unlikely(data == 0xe0)) { extended = true; return false; } else if (unlikely(extended)) { + extended = false; switch (data) { + case 0xE4: + schedule_delayed_work(&msi_touchpad_work, + round_jiffies_relative(0.5 * HZ)); + break; case 0x54: case 0x62: case 0x76: @@ -626,7 +660,6 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, round_jiffies_relative(0.5 * HZ)); break; } - extended = false; } return false; @@ -731,6 +764,42 @@ static int msi_laptop_resume(struct platform_device *device) return 0; } +static int __init msi_laptop_input_setup(void) +{ + int err; + + msi_laptop_input_dev = input_allocate_device(); + if (!msi_laptop_input_dev) + return -ENOMEM; + + msi_laptop_input_dev->name = "MSI Laptop hotkeys"; + msi_laptop_input_dev->phys = "msi-laptop/input0"; + msi_laptop_input_dev->id.bustype = BUS_HOST; + + err = sparse_keymap_setup(msi_laptop_input_dev, + msi_laptop_keymap, NULL); + if (err) + goto err_free_dev; + + err = input_register_device(msi_laptop_input_dev); + if (err) + goto err_free_keymap; + + return 0; + +err_free_keymap: + sparse_keymap_free(msi_laptop_input_dev); +err_free_dev: + input_free_device(msi_laptop_input_dev); + return err; +} + +static void msi_laptop_input_destroy(void) +{ + sparse_keymap_free(msi_laptop_input_dev); + input_unregister_device(msi_laptop_input_dev); +} + static int load_scm_model_init(struct platform_device *sdev) { u8 data; @@ -759,16 +828,23 @@ static int load_scm_model_init(struct platform_device *sdev) if (result < 0) goto fail_rfkill; + /* setup input device */ + result = msi_laptop_input_setup(); + if (result) + goto fail_input; + result = i8042_install_filter(msi_laptop_i8042_filter); if (result) { - printk(KERN_ERR - "msi-laptop: Unable to install key filter\n"); + pr_err("Unable to install key filter\n"); goto fail_filter; } return 0; fail_filter: + msi_laptop_input_destroy(); + +fail_input: rfkill_cleanup(); fail_rfkill: @@ -799,7 +875,7 @@ static int __init msi_init(void) /* Register backlight stuff */ if (acpi_video_backlight_support()) { - printk(KERN_INFO "MSI: Brightness ignored, must be controlled " + pr_info("Brightness ignored, must be controlled " "by ACPI video driver\n"); } else { struct backlight_properties props; @@ -854,7 +930,7 @@ static int __init msi_init(void) if (auto_brightness != 2) set_auto_brightness(auto_brightness); - printk(KERN_INFO "msi-laptop: driver "MSI_DRIVER_VERSION" successfully loaded.\n"); + pr_info("driver "MSI_DRIVER_VERSION" successfully loaded.\n"); return 0; @@ -886,6 +962,7 @@ static void __exit msi_cleanup(void) { if (load_scm_model) { i8042_remove_filter(msi_laptop_i8042_filter); + msi_laptop_input_destroy(); cancel_delayed_work_sync(&msi_rfkill_work); rfkill_cleanup(); } @@ -901,7 +978,7 @@ static void __exit msi_cleanup(void) if (auto_brightness != 2) set_auto_brightness(1); - printk(KERN_INFO "msi-laptop: driver unloaded.\n"); + pr_info("driver unloaded.\n"); } module_init(msi_init); diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c new file mode 100644 index 00000000000..de434c6dc2d --- /dev/null +++ b/drivers/platform/x86/samsung-laptop.c @@ -0,0 +1,832 @@ +/* + * Samsung Laptop driver + * + * Copyright (C) 2009,2011 Greg Kroah-Hartman (gregkh@suse.de) + * Copyright (C) 2009,2011 Novell 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. + * + */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/backlight.h> +#include <linux/fb.h> +#include <linux/dmi.h> +#include <linux/platform_device.h> +#include <linux/rfkill.h> + +/* + * This driver is needed because a number of Samsung laptops do not hook + * their control settings through ACPI. So we have to poke around in the + * BIOS to do things like brightness values, and "special" key controls. + */ + +/* + * We have 0 - 8 as valid brightness levels. The specs say that level 0 should + * be reserved by the BIOS (which really doesn't make much sense), we tell + * userspace that the value is 0 - 7 and then just tell the hardware 1 - 8 + */ +#define MAX_BRIGHT 0x07 + + +#define SABI_IFACE_MAIN 0x00 +#define SABI_IFACE_SUB 0x02 +#define SABI_IFACE_COMPLETE 0x04 +#define SABI_IFACE_DATA 0x05 + +/* Structure to get data back to the calling function */ +struct sabi_retval { + u8 retval[20]; +}; + +struct sabi_header_offsets { + u8 port; + u8 re_mem; + u8 iface_func; + u8 en_mem; + u8 data_offset; + u8 data_segment; +}; + +struct sabi_commands { + /* + * Brightness is 0 - 8, as described above. + * Value 0 is for the BIOS to use + */ + u8 get_brightness; + u8 set_brightness; + + /* + * first byte: + * 0x00 - wireless is off + * 0x01 - wireless is on + * second byte: + * 0x02 - 3G is off + * 0x03 - 3G is on + * TODO, verify 3G is correct, that doesn't seem right... + */ + u8 get_wireless_button; + u8 set_wireless_button; + + /* 0 is off, 1 is on */ + u8 get_backlight; + u8 set_backlight; + + /* + * 0x80 or 0x00 - no action + * 0x81 - recovery key pressed + */ + u8 get_recovery_mode; + u8 set_recovery_mode; + + /* + * on seclinux: 0 is low, 1 is high, + * on swsmi: 0 is normal, 1 is silent, 2 is turbo + */ + u8 get_performance_level; + u8 set_performance_level; + + /* + * Tell the BIOS that Linux is running on this machine. + * 81 is on, 80 is off + */ + u8 set_linux; +}; + +struct sabi_performance_level { + const char *name; + u8 value; +}; + +struct sabi_config { + const char *test_string; + u16 main_function; + const struct sabi_header_offsets header_offsets; + const struct sabi_commands commands; + const struct sabi_performance_level performance_levels[4]; + u8 min_brightness; + u8 max_brightness; +}; + +static const struct sabi_config sabi_configs[] = { + { + .test_string = "SECLINUX", + + .main_function = 0x4c49, + + .header_offsets = { + .port = 0x00, + .re_mem = 0x02, + .iface_func = 0x03, + .en_mem = 0x04, + .data_offset = 0x05, + .data_segment = 0x07, + }, + + .commands = { + .get_brightness = 0x00, + .set_brightness = 0x01, + + .get_wireless_button = 0x02, + .set_wireless_button = 0x03, + + .get_backlight = 0x04, + .set_backlight = 0x05, + + .get_recovery_mode = 0x06, + .set_recovery_mode = 0x07, + + .get_performance_level = 0x08, + .set_performance_level = 0x09, + + .set_linux = 0x0a, + }, + + .performance_levels = { + { + .name = "silent", + .value = 0, + }, + { + .name = "normal", + .value = 1, + }, + { }, + }, + .min_brightness = 1, + .max_brightness = 8, + }, + { + .test_string = "SwSmi@", + + .main_function = 0x5843, + + .header_offsets = { + .port = 0x00, + .re_mem = 0x04, + .iface_func = 0x02, + .en_mem = 0x03, + .data_offset = 0x05, + .data_segment = 0x07, + }, + + .commands = { + .get_brightness = 0x10, + .set_brightness = 0x11, + + .get_wireless_button = 0x12, + .set_wireless_button = 0x13, + + .get_backlight = 0x2d, + .set_backlight = 0x2e, + + .get_recovery_mode = 0xff, + .set_recovery_mode = 0xff, + + .get_performance_level = 0x31, + .set_performance_level = 0x32, + + .set_linux = 0xff, + }, + + .performance_levels = { + { + .name = "normal", + .value = 0, + }, + { + .name = "silent", + .value = 1, + }, + { + .name = "overclock", + .value = 2, + }, + { }, + }, + .min_brightness = 0, + .max_brightness = 8, + }, + { }, +}; + +static const struct sabi_config *sabi_config; + +static void __iomem *sabi; +static void __iomem *sabi_iface; +static void __iomem *f0000_segment; +static struct backlight_device *backlight_device; +static struct mutex sabi_mutex; +static struct platform_device *sdev; +static struct rfkill *rfk; + +static int force; +module_param(force, bool, 0); +MODULE_PARM_DESC(force, + "Disable the DMI check and forces the driver to be loaded"); + +static int debug; +module_param(debug, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "Debug enabled or not"); + +static int sabi_get_command(u8 command, struct sabi_retval *sretval) +{ + int retval = 0; + u16 port = readw(sabi + sabi_config->header_offsets.port); + u8 complete, iface_data; + + mutex_lock(&sabi_mutex); + + /* enable memory to be able to write to it */ + outb(readb(sabi + sabi_config->header_offsets.en_mem), port); + + /* write out the command */ + writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN); + writew(command, sabi_iface + SABI_IFACE_SUB); + writeb(0, sabi_iface + SABI_IFACE_COMPLETE); + outb(readb(sabi + sabi_config->header_offsets.iface_func), port); + + /* write protect memory to make it safe */ + outb(readb(sabi + sabi_config->header_offsets.re_mem), port); + + /* see if the command actually succeeded */ + complete = readb(sabi_iface + SABI_IFACE_COMPLETE); + iface_data = readb(sabi_iface + SABI_IFACE_DATA); + if (complete != 0xaa || iface_data == 0xff) { + pr_warn("SABI get command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n", + command, complete, iface_data); + retval = -EINVAL; + goto exit; + } + /* + * Save off the data into a structure so the caller use it. + * Right now we only want the first 4 bytes, + * There are commands that need more, but not for the ones we + * currently care about. + */ + sretval->retval[0] = readb(sabi_iface + SABI_IFACE_DATA); + sretval->retval[1] = readb(sabi_iface + SABI_IFACE_DATA + 1); + sretval->retval[2] = readb(sabi_iface + SABI_IFACE_DATA + 2); + sretval->retval[3] = readb(sabi_iface + SABI_IFACE_DATA + 3); + +exit: + mutex_unlock(&sabi_mutex); + return retval; + +} + +static int sabi_set_command(u8 command, u8 data) +{ + int retval = 0; + u16 port = readw(sabi + sabi_config->header_offsets.port); + u8 complete, iface_data; + + mutex_lock(&sabi_mutex); + + /* enable memory to be able to write to it */ + outb(readb(sabi + sabi_config->header_offsets.en_mem), port); + + /* write out the command */ + writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN); + writew(command, sabi_iface + SABI_IFACE_SUB); + writeb(0, sabi_iface + SABI_IFACE_COMPLETE); + writeb(data, sabi_iface + SABI_IFACE_DATA); + outb(readb(sabi + sabi_config->header_offsets.iface_func), port); + + /* write protect memory to make it safe */ + outb(readb(sabi + sabi_config->header_offsets.re_mem), port); + + /* see if the command actually succeeded */ + complete = readb(sabi_iface + SABI_IFACE_COMPLETE); + iface_data = readb(sabi_iface + SABI_IFACE_DATA); + if (complete != 0xaa || iface_data == 0xff) { + pr_warn("SABI set command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n", + command, complete, iface_data); + retval = -EINVAL; + } + + mutex_unlock(&sabi_mutex); + return retval; +} + +static void test_backlight(void) +{ + struct sabi_retval sretval; + + sabi_get_command(sabi_config->commands.get_backlight, &sretval); + printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]); + + sabi_set_command(sabi_config->commands.set_backlight, 0); + printk(KERN_DEBUG "backlight should be off\n"); + + sabi_get_command(sabi_config->commands.get_backlight, &sretval); + printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]); + + msleep(1000); + + sabi_set_command(sabi_config->commands.set_backlight, 1); + printk(KERN_DEBUG "backlight should be on\n"); + + sabi_get_command(sabi_config->commands.get_backlight, &sretval); + printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]); +} + +static void test_wireless(void) +{ + struct sabi_retval sretval; + + sabi_get_command(sabi_config->commands.get_wireless_button, &sretval); + printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]); + + sabi_set_command(sabi_config->commands.set_wireless_button, 0); + printk(KERN_DEBUG "wireless led should be off\n"); + + sabi_get_command(sabi_config->commands.get_wireless_button, &sretval); + printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]); + + msleep(1000); + + sabi_set_command(sabi_config->commands.set_wireless_button, 1); + printk(KERN_DEBUG "wireless led should be on\n"); + + sabi_get_command(sabi_config->commands.get_wireless_button, &sretval); + printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]); +} + +static u8 read_brightness(void) +{ + struct sabi_retval sretval; + int user_brightness = 0; + int retval; + + retval = sabi_get_command(sabi_config->commands.get_brightness, + &sretval); + if (!retval) { + user_brightness = sretval.retval[0]; + if (user_brightness != 0) + user_brightness -= sabi_config->min_brightness; + } + return user_brightness; +} + +static void set_brightness(u8 user_brightness) +{ + u8 user_level = user_brightness - sabi_config->min_brightness; + + sabi_set_command(sabi_config->commands.set_brightness, user_level); +} + +static int get_brightness(struct backlight_device *bd) +{ + return (int)read_brightness(); +} + +static int update_status(struct backlight_device *bd) +{ + set_brightness(bd->props.brightness); + + if (bd->props.power == FB_BLANK_UNBLANK) + sabi_set_command(sabi_config->commands.set_backlight, 1); + else + sabi_set_command(sabi_config->commands.set_backlight, 0); + return 0; +} + +static const struct backlight_ops backlight_ops = { + .get_brightness = get_brightness, + .update_status = update_status, +}; + +static int rfkill_set(void *data, bool blocked) +{ + /* Do something with blocked...*/ + /* + * blocked == false is on + * blocked == true is off + */ + if (blocked) + sabi_set_command(sabi_config->commands.set_wireless_button, 0); + else + sabi_set_command(sabi_config->commands.set_wireless_button, 1); + + return 0; +} + +static struct rfkill_ops rfkill_ops = { + .set_block = rfkill_set, +}; + +static int init_wireless(struct platform_device *sdev) +{ + int retval; + + rfk = rfkill_alloc("samsung-wifi", &sdev->dev, RFKILL_TYPE_WLAN, + &rfkill_ops, NULL); + if (!rfk) + return -ENOMEM; + + retval = rfkill_register(rfk); + if (retval) { + rfkill_destroy(rfk); + return -ENODEV; + } + + return 0; +} + +static void destroy_wireless(void) +{ + rfkill_unregister(rfk); + rfkill_destroy(rfk); +} + +static ssize_t get_performance_level(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sabi_retval sretval; + int retval; + int i; + + /* Read the state */ + retval = sabi_get_command(sabi_config->commands.get_performance_level, + &sretval); + if (retval) + return retval; + + /* The logic is backwards, yeah, lots of fun... */ + for (i = 0; sabi_config->performance_levels[i].name; ++i) { + if (sretval.retval[0] == sabi_config->performance_levels[i].value) + return sprintf(buf, "%s\n", sabi_config->performance_levels[i].name); + } + return sprintf(buf, "%s\n", "unknown"); +} + +static ssize_t set_performance_level(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + if (count >= 1) { + int i; + for (i = 0; sabi_config->performance_levels[i].name; ++i) { + const struct sabi_performance_level *level = + &sabi_config->performance_levels[i]; + if (!strncasecmp(level->name, buf, strlen(level->name))) { + sabi_set_command(sabi_config->commands.set_performance_level, + level->value); + break; + } + } + if (!sabi_config->performance_levels[i].name) + return -EINVAL; + } + return count; +} +static DEVICE_ATTR(performance_level, S_IWUSR | S_IRUGO, + get_performance_level, set_performance_level); + + +static int __init dmi_check_cb(const struct dmi_system_id *id) +{ + pr_info("found laptop model '%s'\n", + id->ident); + return 1; +} + +static struct dmi_system_id __initdata samsung_dmi_table[] = { + { + .ident = "N128", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "N128"), + DMI_MATCH(DMI_BOARD_NAME, "N128"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "N130", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "N130"), + DMI_MATCH(DMI_BOARD_NAME, "N130"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "X125", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "X125"), + DMI_MATCH(DMI_BOARD_NAME, "X125"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "X120/X170", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "X120/X170"), + DMI_MATCH(DMI_BOARD_NAME, "X120/X170"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "NC10", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "NC10"), + DMI_MATCH(DMI_BOARD_NAME, "NC10"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "NP-Q45", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"), + DMI_MATCH(DMI_BOARD_NAME, "SQ45S70S"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "X360", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "X360"), + DMI_MATCH(DMI_BOARD_NAME, "X360"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "R518", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "R518"), + DMI_MATCH(DMI_BOARD_NAME, "R518"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "R519/R719", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "R519/R719"), + DMI_MATCH(DMI_BOARD_NAME, "R519/R719"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "N150/N210/N220", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220"), + DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "N150P/N210P/N220P", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "N150P/N210P/N220P"), + DMI_MATCH(DMI_BOARD_NAME, "N150P/N210P/N220P"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "R530/R730", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "R530/R730"), + DMI_MATCH(DMI_BOARD_NAME, "R530/R730"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "NF110/NF210/NF310", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "NF110/NF210/NF310"), + DMI_MATCH(DMI_BOARD_NAME, "NF110/NF210/NF310"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "N145P/N250P/N260P", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "N145P/N250P/N260P"), + DMI_MATCH(DMI_BOARD_NAME, "N145P/N250P/N260P"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "R70/R71", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, + "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "R70/R71"), + DMI_MATCH(DMI_BOARD_NAME, "R70/R71"), + }, + .callback = dmi_check_cb, + }, + { + .ident = "P460", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "P460"), + DMI_MATCH(DMI_BOARD_NAME, "P460"), + }, + .callback = dmi_check_cb, + }, + { }, +}; +MODULE_DEVICE_TABLE(dmi, samsung_dmi_table); + +static int find_signature(void __iomem *memcheck, const char *testStr) +{ + int i = 0; + int loca; + + for (loca = 0; loca < 0xffff; loca++) { + char temp = readb(memcheck + loca); + + if (temp == testStr[i]) { + if (i == strlen(testStr)-1) + break; + ++i; + } else { + i = 0; + } + } + return loca; +} + +static int __init samsung_init(void) +{ + struct backlight_properties props; + struct sabi_retval sretval; + unsigned int ifaceP; + int i; + int loca; + int retval; + + mutex_init(&sabi_mutex); + + if (!force && !dmi_check_system(samsung_dmi_table)) + return -ENODEV; + + f0000_segment = ioremap_nocache(0xf0000, 0xffff); + if (!f0000_segment) { + pr_err("Can't map the segment at 0xf0000\n"); + return -EINVAL; + } + + /* Try to find one of the signatures in memory to find the header */ + for (i = 0; sabi_configs[i].test_string != 0; ++i) { + sabi_config = &sabi_configs[i]; + loca = find_signature(f0000_segment, sabi_config->test_string); + if (loca != 0xffff) + break; + } + + if (loca == 0xffff) { + pr_err("This computer does not support SABI\n"); + goto error_no_signature; + } + + /* point to the SMI port Number */ + loca += 1; + sabi = (f0000_segment + loca); + + if (debug) { + printk(KERN_DEBUG "This computer supports SABI==%x\n", + loca + 0xf0000 - 6); + printk(KERN_DEBUG "SABI header:\n"); + printk(KERN_DEBUG " SMI Port Number = 0x%04x\n", + readw(sabi + sabi_config->header_offsets.port)); + printk(KERN_DEBUG " SMI Interface Function = 0x%02x\n", + readb(sabi + sabi_config->header_offsets.iface_func)); + printk(KERN_DEBUG " SMI enable memory buffer = 0x%02x\n", + readb(sabi + sabi_config->header_offsets.en_mem)); + printk(KERN_DEBUG " SMI restore memory buffer = 0x%02x\n", + readb(sabi + sabi_config->header_offsets.re_mem)); + printk(KERN_DEBUG " SABI data offset = 0x%04x\n", + readw(sabi + sabi_config->header_offsets.data_offset)); + printk(KERN_DEBUG " SABI data segment = 0x%04x\n", + readw(sabi + sabi_config->header_offsets.data_segment)); + } + + /* Get a pointer to the SABI Interface */ + ifaceP = (readw(sabi + sabi_config->header_offsets.data_segment) & 0x0ffff) << 4; + ifaceP += readw(sabi + sabi_config->header_offsets.data_offset) & 0x0ffff; + sabi_iface = ioremap_nocache(ifaceP, 16); + if (!sabi_iface) { + pr_err("Can't remap %x\n", ifaceP); + goto exit; + } + if (debug) { + printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP); + printk(KERN_DEBUG "sabi_iface = %p\n", sabi_iface); + + test_backlight(); + test_wireless(); + + retval = sabi_get_command(sabi_config->commands.get_brightness, + &sretval); + printk(KERN_DEBUG "brightness = 0x%02x\n", sretval.retval[0]); + } + + /* Turn on "Linux" mode in the BIOS */ + if (sabi_config->commands.set_linux != 0xff) { + retval = sabi_set_command(sabi_config->commands.set_linux, + 0x81); + if (retval) { + pr_warn("Linux mode was not set!\n"); + goto error_no_platform; + } + } + + /* knock up a platform device to hang stuff off of */ + sdev = platform_device_register_simple("samsung", -1, NULL, 0); + if (IS_ERR(sdev)) + goto error_no_platform; + + /* create a backlight device to talk to this one */ + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = sabi_config->max_brightness; + backlight_device = backlight_device_register("samsung", &sdev->dev, + NULL, &backlight_ops, + &props); + if (IS_ERR(backlight_device)) + goto error_no_backlight; + + backlight_device->props.brightness = read_brightness(); + backlight_device->props.power = FB_BLANK_UNBLANK; + backlight_update_status(backlight_device); + + retval = init_wireless(sdev); + if (retval) + goto error_no_rfk; + + retval = device_create_file(&sdev->dev, &dev_attr_performance_level); + if (retval) + goto error_file_create; + +exit: + return 0; + +error_file_create: + destroy_wireless(); + +error_no_rfk: + backlight_device_unregister(backlight_device); + +error_no_backlight: + platform_device_unregister(sdev); + +error_no_platform: + iounmap(sabi_iface); + +error_no_signature: + iounmap(f0000_segment); + return -EINVAL; +} + +static void __exit samsung_exit(void) +{ + /* Turn off "Linux" mode in the BIOS */ + if (sabi_config->commands.set_linux != 0xff) + sabi_set_command(sabi_config->commands.set_linux, 0x80); + + device_remove_file(&sdev->dev, &dev_attr_performance_level); + backlight_device_unregister(backlight_device); + destroy_wireless(); + iounmap(sabi_iface); + iounmap(f0000_segment); + platform_device_unregister(sdev); +} + +module_init(samsung_init); +module_exit(samsung_exit); + +MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@suse.de>"); +MODULE_DESCRIPTION("Samsung Backlight driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 13d8d63bcca..e642f5f2950 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -71,8 +71,9 @@ #endif #define DRV_PFX "sony-laptop: " -#define dprintk(msg...) do { \ - if (debug) printk(KERN_WARNING DRV_PFX msg); \ +#define dprintk(msg...) do { \ + if (debug) \ + pr_warn(DRV_PFX msg); \ } while (0) #define SONY_LAPTOP_DRIVER_VERSION "0.6" @@ -124,6 +125,19 @@ MODULE_PARM_DESC(minor, "default is -1 (automatic)"); #endif +static int kbd_backlight; /* = 1 */ +module_param(kbd_backlight, int, 0444); +MODULE_PARM_DESC(kbd_backlight, + "set this to 0 to disable keyboard backlight, " + "1 to enable it (default: 0)"); + +static int kbd_backlight_timeout; /* = 0 */ +module_param(kbd_backlight_timeout, int, 0444); +MODULE_PARM_DESC(kbd_backlight_timeout, + "set this to 0 to set the default 10 seconds timeout, " + "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout " + "(default: 0)"); + enum sony_nc_rfkill { SONY_WIFI, SONY_BLUETOOTH, @@ -402,7 +416,7 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device) error = kfifo_alloc(&sony_laptop_input.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); if (error) { - printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); + pr_err(DRV_PFX "kfifo_alloc failed\n"); goto err_dec_users; } @@ -591,7 +605,7 @@ struct sony_nc_value { int value; /* current setting */ int valid; /* Has ever been set */ int debug; /* active only in debug mode ? */ - struct device_attribute devattr; /* sysfs atribute */ + struct device_attribute devattr; /* sysfs attribute */ }; #define SNC_HANDLE_NAMES(_name, _values...) \ @@ -686,7 +700,7 @@ static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) return 0; } - printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); + pr_warn(DRV_PFX "acpi_callreadfunc failed\n"); return -1; } @@ -712,7 +726,7 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value, if (status == AE_OK) { if (result != NULL) { if (out_obj.type != ACPI_TYPE_INTEGER) { - printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " + pr_warn(DRV_PFX "acpi_evaluate_object bad " "return type\n"); return -1; } @@ -721,34 +735,103 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value, return 0; } - printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); + pr_warn(DRV_PFX "acpi_evaluate_object failed\n"); return -1; } -static int sony_find_snc_handle(int handle) +struct sony_nc_handles { + u16 cap[0x10]; + struct device_attribute devattr; +}; + +static struct sony_nc_handles *handles; + +static ssize_t sony_nc_handles_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + ssize_t len = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { + len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", + handles->cap[i]); + } + len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); + + return len; +} + +static int sony_nc_handles_setup(struct platform_device *pd) { int i; int result; - for (i = 0x20; i < 0x30; i++) { - acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result); - if (result == handle) - return i-0x20; + handles = kzalloc(sizeof(*handles), GFP_KERNEL); + if (!handles) + return -ENOMEM; + + sysfs_attr_init(&handles->devattr.attr); + handles->devattr.attr.name = "handles"; + handles->devattr.attr.mode = S_IRUGO; + handles->devattr.show = sony_nc_handles_show; + + for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { + if (!acpi_callsetfunc(sony_nc_acpi_handle, + "SN00", i + 0x20, &result)) { + dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", + result, i); + handles->cap[i] = result; + } + } + + /* allow reading capabilities via sysfs */ + if (device_create_file(&pd->dev, &handles->devattr)) { + kfree(handles); + handles = NULL; + return -1; + } + + return 0; +} + +static int sony_nc_handles_cleanup(struct platform_device *pd) +{ + if (handles) { + device_remove_file(&pd->dev, &handles->devattr); + kfree(handles); + handles = NULL; } + return 0; +} +static int sony_find_snc_handle(int handle) +{ + int i; + for (i = 0; i < 0x10; i++) { + if (handles->cap[i] == handle) { + dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", + handle, i); + return i; + } + } + dprintk("handle 0x%.4x not found\n", handle); return -1; } static int sony_call_snc_handle(int handle, int argument, int *result) { + int ret = 0; int offset = sony_find_snc_handle(handle); if (offset < 0) return -1; - return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, - result); + ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, + result); + dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument, + *result); + return ret; } /* @@ -857,11 +940,39 @@ static int sony_backlight_get_brightness(struct backlight_device *bd) return value - 1; } -static struct backlight_device *sony_backlight_device; +static int sony_nc_get_brightness_ng(struct backlight_device *bd) +{ + int result; + int *handle = (int *)bl_get_data(bd); + + sony_call_snc_handle(*handle, 0x0200, &result); + + return result & 0xff; +} + +static int sony_nc_update_status_ng(struct backlight_device *bd) +{ + int value, result; + int *handle = (int *)bl_get_data(bd); + + value = bd->props.brightness; + sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result); + + return sony_nc_get_brightness_ng(bd); +} + static const struct backlight_ops sony_backlight_ops = { + .options = BL_CORE_SUSPENDRESUME, .update_status = sony_backlight_update_status, .get_brightness = sony_backlight_get_brightness, }; +static const struct backlight_ops sony_backlight_ng_ops = { + .options = BL_CORE_SUSPENDRESUME, + .update_status = sony_nc_update_status_ng, + .get_brightness = sony_nc_get_brightness_ng, +}; +static int backlight_ng_handle; +static struct backlight_device *sony_backlight_device; /* * New SNC-only Vaios event mapping to driver known keys @@ -972,7 +1083,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) } if (!key_event->data) - printk(KERN_INFO DRV_PFX + pr_info(DRV_PFX "Unknown event: 0x%x 0x%x\n", key_handle, ev); @@ -996,7 +1107,7 @@ static acpi_status sony_walk_callback(acpi_handle handle, u32 level, struct acpi_device_info *info; if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { - printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", + pr_warn(DRV_PFX "method: name: %4.4s, args %X\n", (char *)&info->name, info->param_count); kfree(info); @@ -1037,7 +1148,7 @@ static int sony_nc_resume(struct acpi_device *device) ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, item->value, NULL); if (ret < 0) { - printk("%s: %d\n", __func__, ret); + pr_err(DRV_PFX "%s: %d\n", __func__, ret); break; } } @@ -1054,11 +1165,6 @@ static int sony_nc_resume(struct acpi_device *device) sony_nc_function_setup(device); } - /* set the last requested brightness level */ - if (sony_backlight_device && - sony_backlight_update_status(sony_backlight_device) < 0) - printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); - /* re-read rfkill state */ sony_nc_rfkill_update(); @@ -1206,12 +1312,12 @@ static void sony_nc_rfkill_setup(struct acpi_device *device) device_enum = (union acpi_object *) buffer.pointer; if (!device_enum) { - pr_err("Invalid SN06 return object\n"); + pr_err(DRV_PFX "No SN06 return object."); goto out_no_enum; } if (device_enum->type != ACPI_TYPE_BUFFER) { - pr_err("Invalid SN06 return object type 0x%.2x\n", - device_enum->type); + pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n", + device_enum->type); goto out_no_enum; } @@ -1245,6 +1351,209 @@ out_no_enum: return; } +/* Keyboard backlight feature */ +#define KBDBL_HANDLER 0x137 +#define KBDBL_PRESENT 0xB00 +#define SET_MODE 0xC00 +#define SET_TIMEOUT 0xE00 + +struct kbd_backlight { + int mode; + int timeout; + struct device_attribute mode_attr; + struct device_attribute timeout_attr; +}; + +static struct kbd_backlight *kbdbl_handle; + +static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) +{ + int result; + + if (value > 1) + return -EINVAL; + + if (sony_call_snc_handle(KBDBL_HANDLER, + (value << 0x10) | SET_MODE, &result)) + return -EIO; + + kbdbl_handle->mode = value; + + return 0; +} + +static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, + struct device_attribute *attr, + const char *buffer, size_t count) +{ + int ret = 0; + unsigned long value; + + if (count > 31) + return -EINVAL; + + if (strict_strtoul(buffer, 10, &value)) + return -EINVAL; + + ret = __sony_nc_kbd_backlight_mode_set(value); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + ssize_t count = 0; + count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode); + return count; +} + +static int __sony_nc_kbd_backlight_timeout_set(u8 value) +{ + int result; + + if (value > 3) + return -EINVAL; + + if (sony_call_snc_handle(KBDBL_HANDLER, + (value << 0x10) | SET_TIMEOUT, &result)) + return -EIO; + + kbdbl_handle->timeout = value; + + return 0; +} + +static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, + struct device_attribute *attr, + const char *buffer, size_t count) +{ + int ret = 0; + unsigned long value; + + if (count > 31) + return -EINVAL; + + if (strict_strtoul(buffer, 10, &value)) + return -EINVAL; + + ret = __sony_nc_kbd_backlight_timeout_set(value); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + ssize_t count = 0; + count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout); + return count; +} + +static int sony_nc_kbd_backlight_setup(struct platform_device *pd) +{ + int result; + + if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result)) + return 0; + if (!(result & 0x02)) + return 0; + + kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL); + if (!kbdbl_handle) + return -ENOMEM; + + sysfs_attr_init(&kbdbl_handle->mode_attr.attr); + kbdbl_handle->mode_attr.attr.name = "kbd_backlight"; + kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; + kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show; + kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store; + + sysfs_attr_init(&kbdbl_handle->timeout_attr.attr); + kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout"; + kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; + kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; + kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; + + if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr)) + goto outkzalloc; + + if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr)) + goto outmode; + + __sony_nc_kbd_backlight_mode_set(kbd_backlight); + __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout); + + return 0; + +outmode: + device_remove_file(&pd->dev, &kbdbl_handle->mode_attr); +outkzalloc: + kfree(kbdbl_handle); + kbdbl_handle = NULL; + return -1; +} + +static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd) +{ + if (kbdbl_handle) { + device_remove_file(&pd->dev, &kbdbl_handle->mode_attr); + device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr); + kfree(kbdbl_handle); + } + return 0; +} + +static void sony_nc_backlight_setup(void) +{ + acpi_handle unused; + int max_brightness = 0; + const struct backlight_ops *ops = NULL; + struct backlight_properties props; + + if (sony_find_snc_handle(0x12f) != -1) { + backlight_ng_handle = 0x12f; + ops = &sony_backlight_ng_ops; + max_brightness = 0xff; + + } else if (sony_find_snc_handle(0x137) != -1) { + backlight_ng_handle = 0x137; + ops = &sony_backlight_ng_ops; + max_brightness = 0xff; + + } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", + &unused))) { + ops = &sony_backlight_ops; + max_brightness = SONY_MAX_BRIGHTNESS - 1; + + } else + return; + + memset(&props, 0, sizeof(struct backlight_properties)); + props.type = BACKLIGHT_PLATFORM; + props.max_brightness = max_brightness; + sony_backlight_device = backlight_device_register("sony", NULL, + &backlight_ng_handle, + ops, &props); + + if (IS_ERR(sony_backlight_device)) { + pr_warning(DRV_PFX "unable to register backlight device\n"); + sony_backlight_device = NULL; + } else + sony_backlight_device->props.brightness = + ops->get_brightness(sony_backlight_device); +} + +static void sony_nc_backlight_cleanup(void) +{ + if (sony_backlight_device) + backlight_device_unregister(sony_backlight_device); +} + static int sony_nc_add(struct acpi_device *device) { acpi_status status; @@ -1252,8 +1561,8 @@ static int sony_nc_add(struct acpi_device *device) 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); + pr_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"); @@ -1269,13 +1578,18 @@ static int sony_nc_add(struct acpi_device *device) goto outwalk; } + result = sony_pf_add(); + if (result) + goto outpresent; + if (debug) { - status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, - 1, sony_walk_callback, NULL, NULL, NULL); + status = acpi_walk_namespace(ACPI_TYPE_METHOD, + sony_nc_acpi_handle, 1, sony_walk_callback, + NULL, NULL, NULL); if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); + pr_warn(DRV_PFX "unable to walk acpi resources\n"); result = -ENODEV; - goto outwalk; + goto outpresent; } } @@ -1288,6 +1602,12 @@ static int sony_nc_add(struct acpi_device *device) if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", &handle))) { dprintk("Doing SNC setup\n"); + result = sony_nc_handles_setup(sony_pf_device); + if (result) + goto outpresent; + result = sony_nc_kbd_backlight_setup(sony_pf_device); + if (result) + goto outsnc; sony_nc_function_setup(device); sony_nc_rfkill_setup(device); } @@ -1295,40 +1615,17 @@ static int sony_nc_add(struct acpi_device *device) /* setup input devices and helper fifo */ result = sony_laptop_setup_input(device); if (result) { - printk(KERN_ERR DRV_PFX - "Unable to create input devices.\n"); - goto outwalk; + pr_err(DRV_PFX "Unable to create input devices.\n"); + goto outkbdbacklight; } if (acpi_video_backlight_support()) { - printk(KERN_INFO DRV_PFX "brightness ignored, must be " + pr_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))) { - struct backlight_properties props; - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_PLATFORM; - props.max_brightness = SONY_MAX_BRIGHTNESS - 1; - sony_backlight_device = backlight_device_register("sony", NULL, - NULL, - &sony_backlight_ops, - &props); - - 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); - } - + } else { + sony_nc_backlight_setup(); } - 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) { @@ -1374,14 +1671,19 @@ static int sony_nc_add(struct acpi_device *device) 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); + sony_nc_backlight_cleanup(); sony_laptop_remove_input(); + outkbdbacklight: + sony_nc_kbd_backlight_cleanup(sony_pf_device); + + outsnc: + sony_nc_handles_cleanup(sony_pf_device); + + outpresent: + sony_pf_remove(); + outwalk: sony_nc_rfkill_cleanup(); return result; @@ -1391,8 +1693,7 @@ static int sony_nc_remove(struct acpi_device *device, int type) { struct sony_nc_value *item; - if (sony_backlight_device) - backlight_device_unregister(sony_backlight_device); + sony_nc_backlight_cleanup(); sony_nc_acpi_device = NULL; @@ -1400,6 +1701,8 @@ static int sony_nc_remove(struct acpi_device *device, int type) device_remove_file(&sony_pf_device->dev, &item->devattr); } + sony_nc_kbd_backlight_cleanup(sony_pf_device); + sony_nc_handles_cleanup(sony_pf_device); sony_pf_remove(); sony_laptop_remove_input(); sony_nc_rfkill_cleanup(); @@ -1438,7 +1741,6 @@ static struct acpi_driver sony_nc_driver = { #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 @@ -1584,8 +1886,8 @@ static struct sonypi_event sonypi_blueev[] = { /* The set of possible wireless events */ static struct sonypi_event sonypi_wlessev[] = { - { 0x59, SONYPI_EVENT_WIRELESS_ON }, - { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, + { 0x59, SONYPI_EVENT_IGNORE }, + { 0x5a, SONYPI_EVENT_IGNORE }, { 0, 0 } }; @@ -1842,7 +2144,7 @@ out: if (pcidev) pci_dev_put(pcidev); - printk(KERN_INFO DRV_PFX "detected Type%d model\n", + pr_info(DRV_PFX "detected Type%d model\n", dev->model == SONYPI_DEVICE_TYPE1 ? 1 : dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); } @@ -1890,7 +2192,7 @@ static int __sony_pic_camera_ready(void) static int __sony_pic_camera_off(void) { if (!camera) { - printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); + pr_warn(DRV_PFX "camera control not enabled\n"); return -ENODEV; } @@ -1910,7 +2212,7 @@ static int __sony_pic_camera_on(void) int i, j, x; if (!camera) { - printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); + pr_warn(DRV_PFX "camera control not enabled\n"); return -ENODEV; } @@ -1933,7 +2235,7 @@ static int __sony_pic_camera_on(void) } if (j == 0) { - printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); + pr_warn(DRV_PFX "failed to power on camera\n"); return -ENODEV; } @@ -1989,7 +2291,7 @@ int sony_pic_camera_command(int command, u8 value) ITERATIONS_SHORT); break; default: - printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", + pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n", command); break; } @@ -2396,7 +2698,7 @@ static int sonypi_compat_init(void) error = kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); if (error) { - printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); + pr_err(DRV_PFX "kfifo_alloc failed\n"); return error; } @@ -2406,11 +2708,11 @@ static int sonypi_compat_init(void) sonypi_misc_device.minor = minor; error = misc_register(&sonypi_misc_device); if (error) { - printk(KERN_ERR DRV_PFX "misc_register failed\n"); + pr_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", + pr_info(DRV_PFX "device allocated minor is %d\n", sonypi_misc_device.minor); return 0; @@ -2470,8 +2772,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) } for (i = 0; i < p->interrupt_count; i++) { if (!p->interrupts[i]) { - printk(KERN_WARNING DRV_PFX - "Invalid IRQ %d\n", + pr_warn(DRV_PFX "Invalid IRQ %d\n", p->interrupts[i]); continue; } @@ -2510,7 +2811,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) ioport->io2.address_length); } else { - printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); + pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); return AE_ERROR; } return AE_OK; @@ -2538,7 +2839,7 @@ static int sony_pic_possible_resources(struct acpi_device *device) dprintk("Evaluating _STA\n"); result = acpi_bus_get_status(device); if (result) { - printk(KERN_WARNING DRV_PFX "Unable to read status\n"); + pr_warn(DRV_PFX "Unable to read status\n"); goto end; } @@ -2554,8 +2855,7 @@ static int sony_pic_possible_resources(struct acpi_device *device) 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", + pr_warn(DRV_PFX "Failure evaluating %s\n", METHOD_NAME__PRS); result = -ENODEV; } @@ -2669,7 +2969,7 @@ static int sony_pic_enable(struct acpi_device *device, /* check for total failure */ if (ACPI_FAILURE(status)) { - printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); + pr_err(DRV_PFX "Error evaluating _SRS\n"); result = -ENODEV; goto end; } @@ -2725,6 +3025,9 @@ static irqreturn_t sony_pic_irq(int irq, void *dev_id) if (ev == dev->event_types[i].events[j].data) { device_event = dev->event_types[i].events[j].event; + /* some events may require ignoring */ + if (!device_event) + return IRQ_HANDLED; goto found; } } @@ -2744,7 +3047,6 @@ 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; } @@ -2759,7 +3061,7 @@ static int sony_pic_remove(struct acpi_device *device, int type) struct sony_pic_irq *irq, *tmp_irq; if (sony_pic_disable(device)) { - printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); + pr_err(DRV_PFX "Couldn't disable device.\n"); return -ENXIO; } @@ -2799,8 +3101,8 @@ static int sony_pic_add(struct acpi_device *device) 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); + pr_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"); @@ -2810,16 +3112,14 @@ static int sony_pic_add(struct acpi_device *device) /* read _PRS resources */ result = sony_pic_possible_resources(device); if (result) { - printk(KERN_ERR DRV_PFX - "Unable to read possible resources.\n"); + pr_err(DRV_PFX "Unable 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 - "Unable to create input devices.\n"); + pr_err(DRV_PFX "Unable to create input devices.\n"); goto err_free_resources; } @@ -2829,7 +3129,7 @@ static int sony_pic_add(struct acpi_device *device) /* 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")) { + "Sony Programmable I/O Device")) { dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", io->io1.minimum, io->io1.maximum, io->io1.address_length); @@ -2837,7 +3137,7 @@ static int sony_pic_add(struct acpi_device *device) if (io->io2.minimum) { if (request_region(io->io2.minimum, io->io2.address_length, - "Sony Programable I/O Device")) { + "Sony Programmable I/O Device")) { dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", io->io2.minimum, io->io2.maximum, io->io2.address_length); @@ -2860,7 +3160,7 @@ static int sony_pic_add(struct acpi_device *device) } } if (!spic_dev.cur_ioport) { - printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); + pr_err(DRV_PFX "Failed to request_region.\n"); result = -ENODEV; goto err_remove_compat; } @@ -2880,7 +3180,7 @@ static int sony_pic_add(struct acpi_device *device) } } if (!spic_dev.cur_irq) { - printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); + pr_err(DRV_PFX "Failed to request_irq.\n"); result = -ENODEV; goto err_release_region; } @@ -2888,7 +3188,7 @@ static int sony_pic_add(struct acpi_device *device) /* 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"); + pr_err(DRV_PFX "Couldn't enable device.\n"); goto err_free_irq; } @@ -2997,8 +3297,7 @@ static int __init sony_laptop_init(void) 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."); + pr_err(DRV_PFX "Unable to register SPIC driver."); goto out; } spic_drv_registered = 1; @@ -3006,7 +3305,7 @@ static int __init sony_laptop_init(void) result = acpi_bus_register_driver(&sony_nc_driver); if (result) { - printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); + pr_err(DRV_PFX "Unable to register SNC driver."); goto out_unregister_pic; } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 947bdcaa0ce..a08561f5349 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -2407,7 +2407,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, * This code is supposed to duplicate the IBM firmware behaviour: * - Pressing MUTE issues mute hotkey message, even when already mute * - Pressing Volume up/down issues volume up/down hotkey messages, - * even when already at maximum or minumum volume + * even when already at maximum or minimum volume * - The act of unmuting issues volume up/down notification, * depending which key was used to unmute * @@ -2990,7 +2990,7 @@ static void tpacpi_send_radiosw_update(void) * rfkill input events, or we will race the rfkill core input * handler. * - * tpacpi_inputdev_send_mutex works as a syncronization point + * tpacpi_inputdev_send_mutex works as a synchronization point * for the above. * * We optimize to avoid numerous calls to hotkey_get_wlsw. diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c new file mode 100644 index 00000000000..c1372ed9d2e --- /dev/null +++ b/drivers/platform/x86/xo15-ebook.c @@ -0,0 +1,180 @@ +/* + * OLPC XO-1.5 ebook switch driver + * (based on generic ACPI button driver) + * + * Copyright (C) 2009 Paul Fox <pgf@laptop.org> + * Copyright (C) 2010 One Laptop per Child + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/input.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> + +#define MODULE_NAME "xo15-ebook" +#define PREFIX MODULE_NAME ": " + +#define XO15_EBOOK_CLASS MODULE_NAME +#define XO15_EBOOK_TYPE_UNKNOWN 0x00 +#define XO15_EBOOK_NOTIFY_STATUS 0x80 + +#define XO15_EBOOK_SUBCLASS "ebook" +#define XO15_EBOOK_HID "XO15EBK" +#define XO15_EBOOK_DEVICE_NAME "EBook Switch" + +ACPI_MODULE_NAME(MODULE_NAME); + +MODULE_DESCRIPTION("OLPC XO-1.5 ebook switch driver"); +MODULE_LICENSE("GPL"); + +static const struct acpi_device_id ebook_device_ids[] = { + { XO15_EBOOK_HID, 0 }, + { "", 0 }, +}; +MODULE_DEVICE_TABLE(acpi, ebook_device_ids); + +struct ebook_switch { + struct input_dev *input; + char phys[32]; /* for input device */ +}; + +static int ebook_send_state(struct acpi_device *device) +{ + struct ebook_switch *button = acpi_driver_data(device); + unsigned long long state; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "EBK", NULL, &state); + if (ACPI_FAILURE(status)) + return -EIO; + + /* input layer checks if event is redundant */ + input_report_switch(button->input, SW_TABLET_MODE, !state); + input_sync(button->input); + return 0; +} + +static void ebook_switch_notify(struct acpi_device *device, u32 event) +{ + switch (event) { + case ACPI_FIXED_HARDWARE_EVENT: + case XO15_EBOOK_NOTIFY_STATUS: + ebook_send_state(device); + break; + default: + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Unsupported event [0x%x]\n", event)); + break; + } +} + +static int ebook_switch_resume(struct acpi_device *device) +{ + return ebook_send_state(device); +} + +static int ebook_switch_add(struct acpi_device *device) +{ + struct ebook_switch *button; + struct input_dev *input; + const char *hid = acpi_device_hid(device); + char *name, *class; + int error; + + button = kzalloc(sizeof(struct ebook_switch), GFP_KERNEL); + if (!button) + return -ENOMEM; + + device->driver_data = button; + + button->input = input = input_allocate_device(); + if (!input) { + error = -ENOMEM; + goto err_free_button; + } + + name = acpi_device_name(device); + class = acpi_device_class(device); + + if (strcmp(hid, XO15_EBOOK_HID)) { + printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", hid); + error = -ENODEV; + goto err_free_input; + } + + strcpy(name, XO15_EBOOK_DEVICE_NAME); + sprintf(class, "%s/%s", XO15_EBOOK_CLASS, XO15_EBOOK_SUBCLASS); + + snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); + + input->name = name; + input->phys = button->phys; + input->id.bustype = BUS_HOST; + input->dev.parent = &device->dev; + + input->evbit[0] = BIT_MASK(EV_SW); + set_bit(SW_TABLET_MODE, input->swbit); + + error = input_register_device(input); + if (error) + goto err_free_input; + + ebook_send_state(device); + + if (device->wakeup.flags.valid) { + /* Button's GPE is run-wake GPE */ + acpi_enable_gpe(device->wakeup.gpe_device, + device->wakeup.gpe_number); + device_set_wakeup_enable(&device->dev, true); + } + + return 0; + + err_free_input: + input_free_device(input); + err_free_button: + kfree(button); + return error; +} + +static int ebook_switch_remove(struct acpi_device *device, int type) +{ + struct ebook_switch *button = acpi_driver_data(device); + + input_unregister_device(button->input); + kfree(button); + return 0; +} + +static struct acpi_driver xo15_ebook_driver = { + .name = MODULE_NAME, + .class = XO15_EBOOK_CLASS, + .ids = ebook_device_ids, + .ops = { + .add = ebook_switch_add, + .resume = ebook_switch_resume, + .remove = ebook_switch_remove, + .notify = ebook_switch_notify, + }, +}; + +static int __init xo15_ebook_init(void) +{ + return acpi_bus_register_driver(&xo15_ebook_driver); +} + +static void __exit xo15_ebook_exit(void) +{ + acpi_bus_unregister_driver(&xo15_ebook_driver); +} + +module_init(xo15_ebook_init); +module_exit(xo15_ebook_exit); |