diff options
Diffstat (limited to 'drivers/misc')
31 files changed, 3206 insertions, 281 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index a726f3b01a6..fee7304102a 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -15,7 +15,7 @@ if MISC_DEVICES config ATMEL_PWM tristate "Atmel AT32/AT91 PWM support" - depends on AVR32 || ARCH_AT91 + depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 help This option enables device driver support for the PWM channels on certain Atmel prcoessors. Pulse Width Modulation is used for @@ -145,6 +145,7 @@ config ACER_WMI depends on NEW_LEDS depends on BACKLIGHT_CLASS_DEVICE depends on SERIO_I8042 + depends on RFKILL select ACPI_WMI ---help--- This is a driver for newer Acer (and Wistron) laptops. It adds @@ -226,10 +227,20 @@ config HP_WMI To compile this driver as a module, choose M here: the module will be called hp-wmi. +config ICS932S401 + tristate "Integrated Circuits ICS932S401" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Integrated Circuits + ICS932S401 clock control chips. + + This driver can also be built as a module. If so, the module + will be called ics932s401. + config MSI_LAPTOP tristate "MSI Laptop Extras" depends on X86 - depends on ACPI_EC + depends on ACPI depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by MSI (MICRO-STAR @@ -245,10 +256,21 @@ config MSI_LAPTOP If you have an MSI S270 laptop, say Y or M here. +config PANASONIC_LAPTOP + tristate "Panasonic Laptop Extras" + depends on X86 && INPUT && ACPI + depends on BACKLIGHT_CLASS_DEVICE + ---help--- + This driver adds support for access to backlight control and hotkeys + on Panasonic Let's Note laptops. + + If you have a Panasonic Let's note laptop (such as the R1(N variant), + R2, R3, R5, T2, W2 and Y2 series), say Y. + config COMPAL_LAPTOP tristate "Compal Laptop Extras" depends on X86 - depends on ACPI_EC + depends on ACPI depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by Compal: @@ -409,6 +431,7 @@ config EEEPC_LAPTOP depends on BACKLIGHT_CLASS_DEVICE depends on HWMON depends on EXPERIMENTAL + depends on RFKILL ---help--- This driver supports the Fn-Fx keys on Eee PC laptops. It also adds the ability to switch camera/wlan on/off. @@ -475,4 +498,6 @@ config SGI_GRU_DEBUG This option enables addition debugging code for the SGI GRU driver. If you are unsure, say N. +source "drivers/misc/c2port/Kconfig" + endif # MISC_DEVICES diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index c6c13f60b45..817f7f5ab3b 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_ATMEL_PWM) += atmel_pwm.o obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o obj-$(CONFIG_HP_WMI) += hp-wmi.o +obj-$(CONFIG_ICS932S401) += ics932s401.o obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o obj-$(CONFIG_LKDTM) += lkdtm.o obj-$(CONFIG_TIFM_CORE) += tifm_core.o @@ -23,6 +24,7 @@ obj-$(CONFIG_SGI_IOC4) += ioc4.o obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o +obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o obj-$(CONFIG_INTEL_MENLOW) += intel_menlow.o obj-$(CONFIG_ENCLOSURE_SERVICES) += enclosure.o @@ -30,3 +32,4 @@ obj-$(CONFIG_KGDB_TESTS) += kgdbts.o obj-$(CONFIG_SGI_XP) += sgi-xp/ obj-$(CONFIG_SGI_GRU) += sgi-gru/ obj-$(CONFIG_HP_ILO) += hpilo.o +obj-$(CONFIG_C2PORT) += c2port/ diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index d8b0d326e45..94c9f911824 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -33,6 +33,8 @@ #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/i8042.h> +#include <linux/rfkill.h> +#include <linux/workqueue.h> #include <linux/debugfs.h> #include <acpi/acpi_drivers.h> @@ -123,21 +125,15 @@ enum interface_flags { static int max_brightness = 0xF; -static int wireless = -1; -static int bluetooth = -1; static int mailled = -1; static int brightness = -1; static int threeg = -1; static int force_series; module_param(mailled, int, 0444); -module_param(wireless, int, 0444); -module_param(bluetooth, int, 0444); module_param(brightness, int, 0444); module_param(threeg, int, 0444); module_param(force_series, int, 0444); -MODULE_PARM_DESC(wireless, "Set initial state of Wireless hardware"); -MODULE_PARM_DESC(bluetooth, "Set initial state of Bluetooth hardware"); MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); @@ -145,8 +141,6 @@ MODULE_PARM_DESC(force_series, "Force a different laptop series"); struct acer_data { int mailled; - int wireless; - int bluetooth; int threeg; int brightness; }; @@ -157,6 +151,9 @@ struct acer_debug { u32 wmid_devices; }; +static struct rfkill *wireless_rfkill; +static struct rfkill *bluetooth_rfkill; + /* Each low-level interface must define at least some of the following */ struct wmi_interface { /* The WMI device type */ @@ -476,7 +473,7 @@ struct wmi_interface *iface) } break; default: - return AE_BAD_ADDRESS; + return AE_ERROR; } return AE_OK; } @@ -514,7 +511,7 @@ static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface) break; } default: - return AE_BAD_ADDRESS; + return AE_ERROR; } /* Actually do the set */ @@ -689,7 +686,7 @@ struct wmi_interface *iface) return 0; } default: - return AE_BAD_ADDRESS; + return AE_ERROR; } status = WMI_execute_u32(method_id, 0, &result); @@ -735,7 +732,7 @@ static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface) } break; default: - return AE_BAD_ADDRESS; + return AE_ERROR; } return WMI_execute_u32(method_id, (u32)value, NULL); } @@ -785,7 +782,7 @@ static struct wmi_interface wmid_interface = { static acpi_status get_u32(u32 *value, u32 cap) { - acpi_status status = AE_BAD_ADDRESS; + acpi_status status = AE_ERROR; switch (interface->type) { case ACER_AMW0: @@ -846,8 +843,6 @@ static void __init acer_commandline_init(void) * capability isn't available on the given interface */ set_u32(mailled, ACER_CAP_MAILLED); - set_u32(wireless, ACER_CAP_WIRELESS); - set_u32(bluetooth, ACER_CAP_BLUETOOTH); set_u32(threeg, ACER_CAP_THREEG); set_u32(brightness, ACER_CAP_BRIGHTNESS); } @@ -933,40 +928,135 @@ static void acer_backlight_exit(void) } /* - * Read/ write bool sysfs macro + * Rfkill devices */ -#define show_set_bool(value, cap) \ -static ssize_t \ -show_bool_##value(struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - u32 result; \ - acpi_status status = get_u32(&result, cap); \ - if (ACPI_SUCCESS(status)) \ - return sprintf(buf, "%u\n", result); \ - return sprintf(buf, "Read error\n"); \ -} \ -\ -static ssize_t \ -set_bool_##value(struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - u32 tmp = simple_strtoul(buf, NULL, 10); \ - acpi_status status = set_u32(tmp, cap); \ - if (ACPI_FAILURE(status)) \ - return -EINVAL; \ - return count; \ -} \ -static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \ - show_bool_##value, set_bool_##value); - -show_set_bool(wireless, ACER_CAP_WIRELESS); -show_set_bool(bluetooth, ACER_CAP_BLUETOOTH); -show_set_bool(threeg, ACER_CAP_THREEG); +static void acer_rfkill_update(struct work_struct *ignored); +static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update); +static void acer_rfkill_update(struct work_struct *ignored) +{ + u32 state; + acpi_status status; + + status = get_u32(&state, ACER_CAP_WIRELESS); + if (ACPI_SUCCESS(status)) + rfkill_force_state(wireless_rfkill, state ? + RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED); + + if (has_cap(ACER_CAP_BLUETOOTH)) { + status = get_u32(&state, ACER_CAP_BLUETOOTH); + if (ACPI_SUCCESS(status)) + rfkill_force_state(bluetooth_rfkill, state ? + RFKILL_STATE_UNBLOCKED : + RFKILL_STATE_SOFT_BLOCKED); + } + + schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); +} + +static int acer_rfkill_set(void *data, enum rfkill_state state) +{ + acpi_status status; + u32 *cap = data; + status = set_u32((u32) (state == RFKILL_STATE_UNBLOCKED), *cap); + if (ACPI_FAILURE(status)) + return -ENODEV; + return 0; +} + +static struct rfkill * acer_rfkill_register(struct device *dev, +enum rfkill_type type, char *name, u32 cap) +{ + int err; + u32 state; + u32 *data; + struct rfkill *rfkill_dev; + + rfkill_dev = rfkill_allocate(dev, type); + if (!rfkill_dev) + return ERR_PTR(-ENOMEM); + rfkill_dev->name = name; + get_u32(&state, cap); + rfkill_dev->state = state ? RFKILL_STATE_UNBLOCKED : + RFKILL_STATE_SOFT_BLOCKED; + data = kzalloc(sizeof(u32), GFP_KERNEL); + if (!data) { + rfkill_free(rfkill_dev); + return ERR_PTR(-ENOMEM); + } + *data = cap; + rfkill_dev->data = data; + rfkill_dev->toggle_radio = acer_rfkill_set; + rfkill_dev->user_claim_unsupported = 1; + + err = rfkill_register(rfkill_dev); + if (err) { + kfree(rfkill_dev->data); + rfkill_free(rfkill_dev); + return ERR_PTR(err); + } + return rfkill_dev; +} + +static int acer_rfkill_init(struct device *dev) +{ + wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN, + "acer-wireless", ACER_CAP_WIRELESS); + if (IS_ERR(wireless_rfkill)) + return PTR_ERR(wireless_rfkill); + + if (has_cap(ACER_CAP_BLUETOOTH)) { + bluetooth_rfkill = acer_rfkill_register(dev, + RFKILL_TYPE_BLUETOOTH, "acer-bluetooth", + ACER_CAP_BLUETOOTH); + if (IS_ERR(bluetooth_rfkill)) { + kfree(wireless_rfkill->data); + rfkill_unregister(wireless_rfkill); + return PTR_ERR(bluetooth_rfkill); + } + } + + schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ)); + + return 0; +} + +static void acer_rfkill_exit(void) +{ + cancel_delayed_work_sync(&acer_rfkill_work); + kfree(wireless_rfkill->data); + rfkill_unregister(wireless_rfkill); + if (has_cap(ACER_CAP_BLUETOOTH)) { + kfree(wireless_rfkill->data); + rfkill_unregister(bluetooth_rfkill); + } + return; +} /* - * Read interface sysfs macro + * sysfs interface */ +static ssize_t show_bool_threeg(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u32 result; \ + acpi_status status = get_u32(&result, ACER_CAP_THREEG); + if (ACPI_SUCCESS(status)) + return sprintf(buf, "%u\n", result); + return sprintf(buf, "Read error\n"); +} + +static ssize_t set_bool_threeg(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + u32 tmp = simple_strtoul(buf, NULL, 10); + acpi_status status = set_u32(tmp, ACER_CAP_THREEG); + if (ACPI_FAILURE(status)) + return -EINVAL; + return count; +} +static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg, + set_bool_threeg); + static ssize_t show_interface(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1026,7 +1116,9 @@ static int __devinit acer_platform_probe(struct platform_device *device) goto error_brightness; } - return 0; + err = acer_rfkill_init(&device->dev); + + return err; error_brightness: acer_led_exit(); @@ -1040,6 +1132,8 @@ static int acer_platform_remove(struct platform_device *device) acer_led_exit(); if (has_cap(ACER_CAP_BRIGHTNESS)) acer_backlight_exit(); + + acer_rfkill_exit(); return 0; } @@ -1052,16 +1146,6 @@ pm_message_t state) if (!data) return -ENOMEM; - if (has_cap(ACER_CAP_WIRELESS)) { - get_u32(&value, ACER_CAP_WIRELESS); - data->wireless = value; - } - - if (has_cap(ACER_CAP_BLUETOOTH)) { - get_u32(&value, ACER_CAP_BLUETOOTH); - data->bluetooth = value; - } - if (has_cap(ACER_CAP_MAILLED)) { get_u32(&value, ACER_CAP_MAILLED); data->mailled = value; @@ -1082,15 +1166,6 @@ static int acer_platform_resume(struct platform_device *device) if (!data) return -ENOMEM; - if (has_cap(ACER_CAP_WIRELESS)) - set_u32(data->wireless, ACER_CAP_WIRELESS); - - if (has_cap(ACER_CAP_BLUETOOTH)) - set_u32(data->bluetooth, ACER_CAP_BLUETOOTH); - - if (has_cap(ACER_CAP_THREEG)) - set_u32(data->threeg, ACER_CAP_THREEG); - if (has_cap(ACER_CAP_MAILLED)) set_u32(data->mailled, ACER_CAP_MAILLED); @@ -1115,12 +1190,6 @@ static struct platform_device *acer_platform_device; static int remove_sysfs(struct platform_device *device) { - if (has_cap(ACER_CAP_WIRELESS)) - device_remove_file(&device->dev, &dev_attr_wireless); - - if (has_cap(ACER_CAP_BLUETOOTH)) - device_remove_file(&device->dev, &dev_attr_bluetooth); - if (has_cap(ACER_CAP_THREEG)) device_remove_file(&device->dev, &dev_attr_threeg); @@ -1133,20 +1202,6 @@ static int create_sysfs(void) { int retval = -ENOMEM; - if (has_cap(ACER_CAP_WIRELESS)) { - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_wireless); - if (retval) - goto error_sysfs; - } - - if (has_cap(ACER_CAP_BLUETOOTH)) { - retval = device_create_file(&acer_platform_device->dev, - &dev_attr_bluetooth); - if (retval) - goto error_sysfs; - } - if (has_cap(ACER_CAP_THREEG)) { retval = device_create_file(&acer_platform_device->dev, &dev_attr_threeg); @@ -1242,6 +1297,12 @@ static int __init acer_wmi_init(void) set_quirks(); + if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { + interface->capability &= ~ACER_CAP_BRIGHTNESS; + printk(ACER_INFO "Brightness must be controlled by " + "generic video driver\n"); + } + if (platform_driver_register(&acer_platform_driver)) { printk(ACER_ERR "Unable to register platform driver.\n"); goto error_platform_register; diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c index 7c6dfd03de9..8fb8b359104 100644 --- a/drivers/misc/asus-laptop.c +++ b/drivers/misc/asus-laptop.c @@ -139,6 +139,7 @@ ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */ "\\_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 */ @@ -280,7 +281,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val, static int read_wireless_status(int mask) { - ulong status; + unsigned long long status; acpi_status rv = AE_OK; if (!wireless_status_handle) @@ -297,7 +298,7 @@ static int read_wireless_status(int mask) static int read_gps_status(void) { - ulong status; + unsigned long long status; acpi_status rv = AE_OK; rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); @@ -350,7 +351,7 @@ static void write_status(acpi_handle handle, int out, int mask) static void object##_led_set(struct led_classdev *led_cdev, \ enum led_brightness value) \ { \ - object##_led_wk = value; \ + object##_led_wk = (value > 0) ? 1 : 0; \ queue_work(led_workqueue, &object##_led_work); \ } \ static void object##_led_update(struct work_struct *ignored) \ @@ -404,7 +405,7 @@ static void lcd_blank(int blank) static int read_brightness(struct backlight_device *bd) { - ulong value; + unsigned long long value; acpi_status rv = AE_OK; rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value); @@ -455,7 +456,7 @@ static ssize_t show_infos(struct device *dev, struct device_attribute *attr, char *page) { int len = 0; - ulong temp; + unsigned long long temp; char buf[16]; //enough for all info acpi_status rv = AE_OK; @@ -603,7 +604,7 @@ static void set_display(int value) static int read_display(void) { - ulong value = 0; + unsigned long long value = 0; acpi_status rv = AE_OK; /* In most of the case, we know how to set the display, but sometime @@ -849,7 +850,7 @@ static int asus_hotk_get_info(void) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *model = NULL; - ulong bsts_result, hwrs_result; + unsigned long long bsts_result, hwrs_result; char *string = NULL; acpi_status status; @@ -996,7 +997,7 @@ static int asus_hotk_add(struct acpi_device *device) hotk->handle = device->handle; strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME); strcpy(acpi_device_class(device), ASUS_HOTK_CLASS); - acpi_driver_data(device) = hotk; + device->driver_data = hotk; hotk->device = device; result = asus_hotk_check(); @@ -1207,9 +1208,13 @@ static int __init asus_laptop_init(void) dev = acpi_get_physical_device(hotk->device->handle); - result = asus_backlight_init(dev); - if (result) - goto fail_backlight; + if (!acpi_video_backlight_support()) { + result = asus_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(ASUS_INFO "Brightness ignored, must be controlled by " + "ACPI video driver\n"); result = asus_led_init(dev); if (result) diff --git a/drivers/misc/c2port/Kconfig b/drivers/misc/c2port/Kconfig new file mode 100644 index 00000000000..e46af9a5810 --- /dev/null +++ b/drivers/misc/c2port/Kconfig @@ -0,0 +1,35 @@ +# +# C2 port devices +# + +menuconfig C2PORT + tristate "Silicon Labs C2 port support (EXPERIMENTAL)" + depends on EXPERIMENTAL + default no + help + This option enables support for Silicon Labs C2 port used to + program Silicon micro controller chips (and other 8051 compatible). + + If your board have no such micro controllers you don't need this + interface at all. + + To compile this driver as a module, choose M here: the module will + be called c2port_core. Note that you also need a client module + usually called c2port-*. + + If you are not sure, say N here. + +if C2PORT + +config C2PORT_DURAMAR_2150 + tristate "C2 port support for Eurotech's Duramar 2150 (EXPERIMENTAL)" + depends on X86 && C2PORT + default no + help + This option enables C2 support for the Eurotech's Duramar 2150 + on board micro controller. + + To compile this driver as a module, choose M here: the module will + be called c2port-duramar2150. + +endif # C2PORT diff --git a/drivers/misc/c2port/Makefile b/drivers/misc/c2port/Makefile new file mode 100644 index 00000000000..3b2cf43d60f --- /dev/null +++ b/drivers/misc/c2port/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_C2PORT) += core.o + +obj-$(CONFIG_C2PORT_DURAMAR_2150) += c2port-duramar2150.o diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c new file mode 100644 index 00000000000..338dcc12150 --- /dev/null +++ b/drivers/misc/c2port/c2port-duramar2150.c @@ -0,0 +1,158 @@ +/* + * Silicon Labs C2 port Linux support for Eurotech Duramar 2150 + * + * Copyright (c) 2008 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2008 Eurotech S.p.A. <info@eurotech.it> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation + */ + +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/c2port.h> + +#define DATA_PORT 0x325 +#define DIR_PORT 0x326 +#define C2D (1 << 0) +#define C2CK (1 << 1) + +static DEFINE_MUTEX(update_lock); + +/* + * C2 port operations + */ + +static void duramar2150_c2port_access(struct c2port_device *dev, int status) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DIR_PORT); + + /* 0 = input, 1 = output */ + if (status) + outb(v | (C2D | C2CK), DIR_PORT); + else + /* When access is "off" is important that both lines are set + * as inputs or hi-impedence */ + outb(v & ~(C2D | C2CK), DIR_PORT); + + mutex_unlock(&update_lock); +} + +static void duramar2150_c2port_c2d_dir(struct c2port_device *dev, int dir) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DIR_PORT); + + if (dir) + outb(v & ~C2D, DIR_PORT); + else + outb(v | C2D, DIR_PORT); + + mutex_unlock(&update_lock); +} + +static int duramar2150_c2port_c2d_get(struct c2port_device *dev) +{ + return inb(DATA_PORT) & C2D; +} + +static void duramar2150_c2port_c2d_set(struct c2port_device *dev, int status) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DATA_PORT); + + if (status) + outb(v | C2D, DATA_PORT); + else + outb(v & ~C2D, DATA_PORT); + + mutex_unlock(&update_lock); +} + +static void duramar2150_c2port_c2ck_set(struct c2port_device *dev, int status) +{ + u8 v; + + mutex_lock(&update_lock); + + v = inb(DATA_PORT); + + if (status) + outb(v | C2CK, DATA_PORT); + else + outb(v & ~C2CK, DATA_PORT); + + mutex_unlock(&update_lock); +} + +static struct c2port_ops duramar2150_c2port_ops = { + .block_size = 512, /* bytes */ + .blocks_num = 30, /* total flash size: 15360 bytes */ + + .access = duramar2150_c2port_access, + .c2d_dir = duramar2150_c2port_c2d_dir, + .c2d_get = duramar2150_c2port_c2d_get, + .c2d_set = duramar2150_c2port_c2d_set, + .c2ck_set = duramar2150_c2port_c2ck_set, +}; + +static struct c2port_device *duramar2150_c2port_dev; + +/* + * Module stuff + */ + +static int __init duramar2150_c2port_init(void) +{ + struct resource *res; + int ret = 0; + + res = request_region(0x325, 2, "c2port"); + if (!res) + return -EBUSY; + + duramar2150_c2port_dev = c2port_device_register("uc", + &duramar2150_c2port_ops, NULL); + if (!duramar2150_c2port_dev) { + ret = -ENODEV; + goto free_region; + } + + return 0; + +free_region: + release_region(0x325, 2); + return ret; +} + +static void __exit duramar2150_c2port_exit(void) +{ + /* Setup the GPIOs as input by default (access = 0) */ + duramar2150_c2port_access(duramar2150_c2port_dev, 0); + + c2port_device_unregister(duramar2150_c2port_dev); + + release_region(0x325, 2); +} + +module_init(duramar2150_c2port_init); +module_exit(duramar2150_c2port_exit); + +MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>"); +MODULE_DESCRIPTION("Silicon Labs C2 port Linux support for Duramar 2150"); +MODULE_LICENSE("GPL"); diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c new file mode 100644 index 00000000000..0207dd59090 --- /dev/null +++ b/drivers/misc/c2port/core.c @@ -0,0 +1,1003 @@ +/* + * Silicon Labs C2 port core Linux support + * + * Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/ctype.h> +#include <linux/delay.h> +#include <linux/idr.h> +#include <linux/sched.h> + +#include <linux/c2port.h> + +#define DRIVER_NAME "c2port" +#define DRIVER_VERSION "0.51.0" + +static DEFINE_SPINLOCK(c2port_idr_lock); +static DEFINE_IDR(c2port_idr); + +/* + * Local variables + */ + +static struct class *c2port_class; + +/* + * C2 registers & commands defines + */ + +/* C2 registers */ +#define C2PORT_DEVICEID 0x00 +#define C2PORT_REVID 0x01 +#define C2PORT_FPCTL 0x02 +#define C2PORT_FPDAT 0xB4 + +/* C2 interface commands */ +#define C2PORT_GET_VERSION 0x01 +#define C2PORT_DEVICE_ERASE 0x03 +#define C2PORT_BLOCK_READ 0x06 +#define C2PORT_BLOCK_WRITE 0x07 +#define C2PORT_PAGE_ERASE 0x08 + +/* C2 status return codes */ +#define C2PORT_INVALID_COMMAND 0x00 +#define C2PORT_COMMAND_FAILED 0x02 +#define C2PORT_COMMAND_OK 0x0d + +/* + * C2 port low level signal managements + */ + +static void c2port_reset(struct c2port_device *dev) +{ + struct c2port_ops *ops = dev->ops; + + /* To reset the device we have to keep clock line low for at least + * 20us. + */ + local_irq_disable(); + ops->c2ck_set(dev, 0); + udelay(25); + ops->c2ck_set(dev, 1); + local_irq_enable(); + + udelay(1); +} + +static void c2port_strobe_ck(struct c2port_device *dev) +{ + struct c2port_ops *ops = dev->ops; + + /* During hi-low-hi transition we disable local IRQs to avoid + * interructions since C2 port specification says that it must be + * shorter than 5us, otherwise the microcontroller may consider + * it as a reset signal! + */ + local_irq_disable(); + ops->c2ck_set(dev, 0); + udelay(1); + ops->c2ck_set(dev, 1); + local_irq_enable(); + + udelay(1); +} + +/* + * C2 port basic functions + */ + +static void c2port_write_ar(struct c2port_device *dev, u8 addr) +{ + struct c2port_ops *ops = dev->ops; + int i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (11b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + + /* ADDRESS field */ + for (i = 0; i < 8; i++) { + ops->c2d_set(dev, addr & 0x01); + c2port_strobe_ck(dev); + + addr >>= 1; + } + + /* STOP field */ + ops->c2d_dir(dev, 1); + c2port_strobe_ck(dev); +} + +static int c2port_read_ar(struct c2port_device *dev, u8 *addr) +{ + struct c2port_ops *ops = dev->ops; + int i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (10b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + + /* ADDRESS field */ + ops->c2d_dir(dev, 1); + *addr = 0; + for (i = 0; i < 8; i++) { + *addr >>= 1; /* shift in 8-bit ADDRESS field LSB first */ + + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + *addr |= 0x80; + } + + /* STOP field */ + c2port_strobe_ck(dev); + + return 0; +} + +static int c2port_write_dr(struct c2port_device *dev, u8 data) +{ + struct c2port_ops *ops = dev->ops; + int timeout, i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (01b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 1); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* LENGTH field (00b, LSB first -> 1 byte) */ + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* DATA field */ + for (i = 0; i < 8; i++) { + ops->c2d_set(dev, data & 0x01); + c2port_strobe_ck(dev); + + data >>= 1; + } + + /* WAIT field */ + ops->c2d_dir(dev, 1); + timeout = 20; + do { + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + /* STOP field */ + c2port_strobe_ck(dev); + + return 0; +} + +static int c2port_read_dr(struct c2port_device *dev, u8 *data) +{ + struct c2port_ops *ops = dev->ops; + int timeout, i; + + /* START field */ + c2port_strobe_ck(dev); + + /* INS field (00b, LSB first) */ + ops->c2d_dir(dev, 0); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* LENGTH field (00b, LSB first -> 1 byte) */ + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + ops->c2d_set(dev, 0); + c2port_strobe_ck(dev); + + /* WAIT field */ + ops->c2d_dir(dev, 1); + timeout = 20; + do { + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + /* DATA field */ + *data = 0; + for (i = 0; i < 8; i++) { + *data >>= 1; /* shift in 8-bit DATA field LSB first */ + + c2port_strobe_ck(dev); + if (ops->c2d_get(dev)) + *data |= 0x80; + } + + /* STOP field */ + c2port_strobe_ck(dev); + + return 0; +} + +static int c2port_poll_in_busy(struct c2port_device *dev) +{ + u8 addr; + int ret, timeout = 20; + + do { + ret = (c2port_read_ar(dev, &addr)); + if (ret < 0) + return -EIO; + + if (!(addr & 0x02)) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + return 0; +} + +static int c2port_poll_out_ready(struct c2port_device *dev) +{ + u8 addr; + int ret, timeout = 10000; /* erase flash needs long time... */ + + do { + ret = (c2port_read_ar(dev, &addr)); + if (ret < 0) + return -EIO; + + if (addr & 0x01) + break; + + udelay(1); + } while (--timeout > 0); + if (timeout == 0) + return -EIO; + + return 0; +} + +/* + * sysfs methods + */ + +static ssize_t c2port_show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + return sprintf(buf, "%s\n", c2dev->name); +} + +static ssize_t c2port_show_flash_blocks_num(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + + return sprintf(buf, "%d\n", ops->blocks_num); +} + +static ssize_t c2port_show_flash_block_size(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + + return sprintf(buf, "%d\n", ops->block_size); +} + +static ssize_t c2port_show_flash_size(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + + return sprintf(buf, "%d\n", ops->blocks_num * ops->block_size); +} + +static ssize_t c2port_show_access(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", c2dev->access); +} + +static ssize_t c2port_store_access(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + struct c2port_ops *ops = c2dev->ops; + int status, ret; + + ret = sscanf(buf, "%d", &status); + if (ret != 1) + return -EINVAL; + + mutex_lock(&c2dev->mutex); + + c2dev->access = !!status; + + /* If access is "on" clock should be HIGH _before_ setting the line + * as output and data line should be set as INPUT anyway */ + if (c2dev->access) + ops->c2ck_set(c2dev, 1); + ops->access(c2dev, c2dev->access); + if (c2dev->access) + ops->c2d_dir(c2dev, 1); + + mutex_unlock(&c2dev->mutex); + + return count; +} + +static ssize_t c2port_store_reset(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + /* Check the device access status */ + if (!c2dev->access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + + c2port_reset(c2dev); + c2dev->flash_access = 0; + + mutex_unlock(&c2dev->mutex); + + return count; +} + +static ssize_t __c2port_show_dev_id(struct c2port_device *dev, char *buf) +{ + u8 data; + int ret; + + /* Select DEVICEID register for C2 data register accesses */ + c2port_write_ar(dev, C2PORT_DEVICEID); + + /* Read and return the device ID register */ + ret = c2port_read_dr(dev, &data); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", data); +} + +static ssize_t c2port_show_dev_id(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + ssize_t ret; + + /* Check the device access status */ + if (!c2dev->access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_show_dev_id(c2dev, buf); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(dev, "cannot read from %s\n", c2dev->name); + + return ret; +} + +static ssize_t __c2port_show_rev_id(struct c2port_device *dev, char *buf) +{ + u8 data; + int ret; + + /* Select REVID register for C2 data register accesses */ + c2port_write_ar(dev, C2PORT_REVID); + + /* Read and return the revision ID register */ + ret = c2port_read_dr(dev, &data); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", data); +} + +static ssize_t c2port_show_rev_id(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + ssize_t ret; + + /* Check the device access status */ + if (!c2dev->access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_show_rev_id(c2dev, buf); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(c2dev->dev, "cannot read from %s\n", c2dev->name); + + return ret; +} + +static ssize_t c2port_show_flash_access(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", c2dev->flash_access); +} + +static ssize_t __c2port_store_flash_access(struct c2port_device *dev, + int status) +{ + int ret; + + /* Check the device access status */ + if (!dev->access) + return -EBUSY; + + dev->flash_access = !!status; + + /* If flash_access is off we have nothing to do... */ + if (dev->flash_access == 0) + return 0; + + /* Target the C2 flash programming control register for C2 data + * register access */ + c2port_write_ar(dev, C2PORT_FPCTL); + + /* Write the first keycode to enable C2 Flash programming */ + ret = c2port_write_dr(dev, 0x02); + if (ret < 0) + return ret; + + /* Write the second keycode to enable C2 Flash programming */ + ret = c2port_write_dr(dev, 0x01); + if (ret < 0) + return ret; + + /* Delay for at least 20ms to ensure the target is ready for + * C2 flash programming */ + mdelay(25); + + return 0; +} + +static ssize_t c2port_store_flash_access(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + int status; + ssize_t ret; + + ret = sscanf(buf, "%d", &status); + if (ret != 1) + return -EINVAL; + + mutex_lock(&c2dev->mutex); + ret = __c2port_store_flash_access(c2dev, status); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) { + dev_err(c2dev->dev, "cannot enable %s flash programming\n", + c2dev->name); + return ret; + } + + return count; +} + +static ssize_t __c2port_write_flash_erase(struct c2port_device *dev) +{ + u8 status; + int ret; + + /* Target the C2 flash programming data register for C2 data register + * access. + */ + c2port_write_ar(dev, C2PORT_FPDAT); + + /* Send device erase command */ + c2port_write_dr(dev, C2PORT_DEVICE_ERASE); + + /* Wait for input acknowledge */ + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before starting FLASH access sequence */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Send a three-byte arming sequence to enable the device erase. + * If the sequence is not received correctly, the command will be + * ignored. + * Sequence is: 0xde, 0xad, 0xa5. + */ + c2port_write_dr(dev, 0xde); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + c2port_write_dr(dev, 0xad); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + c2port_write_dr(dev, 0xa5); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + return 0; +} + +static ssize_t c2port_store_flash_erase(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct c2port_device *c2dev = dev_get_drvdata(dev); + int ret; + + /* Check the device and flash access status */ + if (!c2dev->access || !c2dev->flash_access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_write_flash_erase(c2dev); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) { + dev_err(c2dev->dev, "cannot erase %s flash\n", c2dev->name); + return ret; + } + + return count; +} + +static ssize_t __c2port_read_flash_data(struct c2port_device *dev, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_ops *ops = dev->ops; + u8 status, nread = 128; + int i, ret; + + /* Check for flash end */ + if (offset >= ops->block_size * ops->blocks_num) + return 0; + + if (ops->block_size * ops->blocks_num - offset < nread) + nread = ops->block_size * ops->blocks_num - offset; + if (count < nread) + nread = count; + if (nread == 0) + return nread; + + /* Target the C2 flash programming data register for C2 data register + * access */ + c2port_write_ar(dev, C2PORT_FPDAT); + + /* Send flash block read command */ + c2port_write_dr(dev, C2PORT_BLOCK_READ); + + /* Wait for input acknowledge */ + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before starting FLASH access sequence */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Send address high byte */ + c2port_write_dr(dev, offset >> 8); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address low byte */ + c2port_write_dr(dev, offset & 0x00ff); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address block size */ + c2port_write_dr(dev, nread); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before reading FLASH block */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Read flash block */ + for (i = 0; i < nread; i++) { + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + ret = c2port_read_dr(dev, buffer+i); + if (ret < 0) + return ret; + } + + return nread; +} + +static ssize_t c2port_read_flash_data(struct kobject *kobj, + struct bin_attribute *attr, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_device *c2dev = + dev_get_drvdata(container_of(kobj, + struct device, kobj)); + ssize_t ret; + + /* Check the device and flash access status */ + if (!c2dev->access || !c2dev->flash_access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_read_flash_data(c2dev, buffer, offset, count); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(c2dev->dev, "cannot read %s flash\n", c2dev->name); + + return ret; +} + +static ssize_t __c2port_write_flash_data(struct c2port_device *dev, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_ops *ops = dev->ops; + u8 status, nwrite = 128; + int i, ret; + + if (nwrite > count) + nwrite = count; + if (ops->block_size * ops->blocks_num - offset < nwrite) + nwrite = ops->block_size * ops->blocks_num - offset; + + /* Check for flash end */ + if (offset >= ops->block_size * ops->blocks_num) + return -EINVAL; + + /* Target the C2 flash programming data register for C2 data register + * access */ + c2port_write_ar(dev, C2PORT_FPDAT); + + /* Send flash block write command */ + c2port_write_dr(dev, C2PORT_BLOCK_WRITE); + + /* Wait for input acknowledge */ + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before starting FLASH access sequence */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Send address high byte */ + c2port_write_dr(dev, offset >> 8); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address low byte */ + c2port_write_dr(dev, offset & 0x00ff); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Send address block size */ + c2port_write_dr(dev, nwrite); + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + /* Should check status before writing FLASH block */ + + /* Wait for status information */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + /* Read flash programming interface status */ + ret = c2port_read_dr(dev, &status); + if (ret < 0) + return ret; + if (status != C2PORT_COMMAND_OK) + return -EBUSY; + + /* Write flash block */ + for (i = 0; i < nwrite; i++) { + ret = c2port_write_dr(dev, *(buffer+i)); + if (ret < 0) + return ret; + + ret = c2port_poll_in_busy(dev); + if (ret < 0) + return ret; + + } + + /* Wait for last flash write to complete */ + ret = c2port_poll_out_ready(dev); + if (ret < 0) + return ret; + + return nwrite; +} + +static ssize_t c2port_write_flash_data(struct kobject *kobj, + struct bin_attribute *attr, + char *buffer, loff_t offset, size_t count) +{ + struct c2port_device *c2dev = + dev_get_drvdata(container_of(kobj, + struct device, kobj)); + int ret; + + /* Check the device access status */ + if (!c2dev->access || !c2dev->flash_access) + return -EBUSY; + + mutex_lock(&c2dev->mutex); + ret = __c2port_write_flash_data(c2dev, buffer, offset, count); + mutex_unlock(&c2dev->mutex); + + if (ret < 0) + dev_err(c2dev->dev, "cannot write %s flash\n", c2dev->name); + + return ret; +} + +/* + * Class attributes + */ + +static struct device_attribute c2port_attrs[] = { + __ATTR(name, 0444, c2port_show_name, NULL), + __ATTR(flash_blocks_num, 0444, c2port_show_flash_blocks_num, NULL), + __ATTR(flash_block_size, 0444, c2port_show_flash_block_size, NULL), + __ATTR(flash_size, 0444, c2port_show_flash_size, NULL), + __ATTR(access, 0644, c2port_show_access, c2port_store_access), + __ATTR(reset, 0200, NULL, c2port_store_reset), + __ATTR(dev_id, 0444, c2port_show_dev_id, NULL), + __ATTR(rev_id, 0444, c2port_show_rev_id, NULL), + + __ATTR(flash_access, 0644, c2port_show_flash_access, + c2port_store_flash_access), + __ATTR(flash_erase, 0200, NULL, c2port_store_flash_erase), + __ATTR_NULL, +}; + +static struct bin_attribute c2port_bin_attrs = { + .attr = { + .name = "flash_data", + .mode = 0644 + }, + .read = c2port_read_flash_data, + .write = c2port_write_flash_data, + /* .size is computed at run-time */ +}; + +/* + * Exported functions + */ + +struct c2port_device *c2port_device_register(char *name, + struct c2port_ops *ops, void *devdata) +{ + struct c2port_device *c2dev; + int id, ret; + + if (unlikely(!ops) || unlikely(!ops->access) || \ + unlikely(!ops->c2d_dir) || unlikely(!ops->c2ck_set) || \ + unlikely(!ops->c2d_get) || unlikely(!ops->c2d_set)) + return ERR_PTR(-EINVAL); + + c2dev = kmalloc(sizeof(struct c2port_device), GFP_KERNEL); + if (unlikely(!c2dev)) + return ERR_PTR(-ENOMEM); + + ret = idr_pre_get(&c2port_idr, GFP_KERNEL); + if (!ret) { + ret = -ENOMEM; + goto error_idr_get_new; + } + + spin_lock_irq(&c2port_idr_lock); + ret = idr_get_new(&c2port_idr, c2dev, &id); + spin_unlock_irq(&c2port_idr_lock); + + if (ret < 0) + goto error_idr_get_new; + c2dev->id = id; + + c2dev->dev = device_create(c2port_class, NULL, 0, c2dev, + "c2port%d", id); + if (unlikely(!c2dev->dev)) { + ret = -ENOMEM; + goto error_device_create; + } + dev_set_drvdata(c2dev->dev, c2dev); + + strncpy(c2dev->name, name, C2PORT_NAME_LEN); + c2dev->ops = ops; + mutex_init(&c2dev->mutex); + + /* Create binary file */ + c2port_bin_attrs.size = ops->blocks_num * ops->block_size; + ret = device_create_bin_file(c2dev->dev, &c2port_bin_attrs); + if (unlikely(ret)) + goto error_device_create_bin_file; + + /* By default C2 port access is off */ + c2dev->access = c2dev->flash_access = 0; + ops->access(c2dev, 0); + + dev_info(c2dev->dev, "C2 port %s added\n", name); + dev_info(c2dev->dev, "%s flash has %d blocks x %d bytes " + "(%d bytes total)\n", + name, ops->blocks_num, ops->block_size, + ops->blocks_num * ops->block_size); + + return c2dev; + +error_device_create_bin_file: + device_destroy(c2port_class, 0); + +error_device_create: + spin_lock_irq(&c2port_idr_lock); + idr_remove(&c2port_idr, id); + spin_unlock_irq(&c2port_idr_lock); + +error_idr_get_new: + kfree(c2dev); + + return ERR_PTR(ret); +} +EXPORT_SYMBOL(c2port_device_register); + +void c2port_device_unregister(struct c2port_device *c2dev) +{ + if (!c2dev) + return; + + dev_info(c2dev->dev, "C2 port %s removed\n", c2dev->name); + + device_remove_bin_file(c2dev->dev, &c2port_bin_attrs); + spin_lock_irq(&c2port_idr_lock); + idr_remove(&c2port_idr, c2dev->id); + spin_unlock_irq(&c2port_idr_lock); + + device_destroy(c2port_class, c2dev->id); + + kfree(c2dev); +} +EXPORT_SYMBOL(c2port_device_unregister); + +/* + * Module stuff + */ + +static int __init c2port_init(void) +{ + printk(KERN_INFO "Silicon Labs C2 port support v. " DRIVER_VERSION + " - (C) 2007 Rodolfo Giometti\n"); + + c2port_class = class_create(THIS_MODULE, "c2port"); + if (!c2port_class) { + printk(KERN_ERR "c2port: failed to allocate class\n"); + return -ENOMEM; + } + c2port_class->dev_attrs = c2port_attrs; + + return 0; +} + +static void __exit c2port_exit(void) +{ + class_destroy(c2port_class); +} + +module_init(c2port_init); +module_exit(c2port_exit); + +MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>"); +MODULE_DESCRIPTION("Silicon Labs C2 port support v. " DRIVER_VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c index 344b790a625..11003bba10d 100644 --- a/drivers/misc/compal-laptop.c +++ b/drivers/misc/compal-laptop.c @@ -326,12 +326,14 @@ static int __init compal_init(void) /* Register backlight stuff */ - compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, - &compalbl_ops); - if (IS_ERR(compalbl_device)) - return PTR_ERR(compalbl_device); + if (!acpi_video_backlight_support()) { + compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, + &compalbl_ops); + if (IS_ERR(compalbl_device)) + return PTR_ERR(compalbl_device); - compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + } ret = platform_driver_register(&compal_driver); if (ret) diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c index facdb9893c8..02fe2b8b893 100644 --- a/drivers/misc/eeepc-laptop.c +++ b/drivers/misc/eeepc-laptop.c @@ -28,6 +28,8 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> #include <linux/uaccess.h> +#include <linux/input.h> +#include <linux/rfkill.h> #define EEEPC_LAPTOP_VERSION "0.1" @@ -125,6 +127,10 @@ struct eeepc_hotk { by this BIOS */ uint init_flag; /* Init flags */ u16 event_count[128]; /* count for each event */ + struct input_dev *inputdev; + u16 *keycode_map; + struct rfkill *eeepc_wlan_rfkill; + struct rfkill *eeepc_bluetooth_rfkill; }; /* The actual device the driver binds to */ @@ -140,6 +146,27 @@ static struct platform_driver platform_driver = { static struct platform_device *platform_device; +struct key_entry { + char type; + u8 code; + u16 keycode; +}; + +enum { KE_KEY, KE_END }; + +static struct key_entry eeepc_keymap[] = { + /* Sleep already handled via generic ACPI code */ + {KE_KEY, 0x10, KEY_WLAN }, + {KE_KEY, 0x12, KEY_PROG1 }, + {KE_KEY, 0x13, KEY_MUTE }, + {KE_KEY, 0x14, KEY_VOLUMEDOWN }, + {KE_KEY, 0x15, KEY_VOLUMEUP }, + {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, + {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, + {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, + {KE_END, 0}, +}; + /* * The hotkey driver declaration */ @@ -204,7 +231,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val, static int read_acpi_int(acpi_handle handle, const char *method, int *val) { acpi_status status; - ulong result; + unsigned long long result; status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); if (ACPI_FAILURE(status)) { @@ -261,6 +288,44 @@ static int update_bl_status(struct backlight_device *bd) } /* + * Rfkill helpers + */ + +static int eeepc_wlan_rfkill_set(void *data, enum rfkill_state state) +{ + if (state == RFKILL_STATE_SOFT_BLOCKED) + return set_acpi(CM_ASL_WLAN, 0); + else + return set_acpi(CM_ASL_WLAN, 1); +} + +static int eeepc_wlan_rfkill_state(void *data, enum rfkill_state *state) +{ + if (get_acpi(CM_ASL_WLAN) == 1) + *state = RFKILL_STATE_UNBLOCKED; + else + *state = RFKILL_STATE_SOFT_BLOCKED; + return 0; +} + +static int eeepc_bluetooth_rfkill_set(void *data, enum rfkill_state state) +{ + if (state == RFKILL_STATE_SOFT_BLOCKED) + return set_acpi(CM_ASL_BLUETOOTH, 0); + else + return set_acpi(CM_ASL_BLUETOOTH, 1); +} + +static int eeepc_bluetooth_rfkill_state(void *data, enum rfkill_state *state) +{ + if (get_acpi(CM_ASL_BLUETOOTH) == 1) + *state = RFKILL_STATE_UNBLOCKED; + else + *state = RFKILL_STATE_SOFT_BLOCKED; + return 0; +} + +/* * Sys helpers */ static int parse_arg(const char *buf, unsigned long count, int *val) @@ -311,13 +376,11 @@ static ssize_t show_sys_acpi(int cm, char *buf) EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA); EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER); EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH); -EEEPC_CREATE_DEVICE_ATTR(wlan, CM_ASL_WLAN); static struct attribute *platform_attributes[] = { &dev_attr_camera.attr, &dev_attr_cardr.attr, &dev_attr_disp.attr, - &dev_attr_wlan.attr, NULL }; @@ -328,8 +391,64 @@ static struct attribute_group platform_attribute_group = { /* * Hotkey functions */ +static struct key_entry *eepc_get_entry_by_scancode(int code) +{ + struct key_entry *key; + + for (key = eeepc_keymap; key->type != KE_END; key++) + if (code == key->code) + return key; + + return NULL; +} + +static struct key_entry *eepc_get_entry_by_keycode(int code) +{ + struct key_entry *key; + + for (key = eeepc_keymap; key->type != KE_END; key++) + if (code == key->keycode && key->type == KE_KEY) + return key; + + return NULL; +} + +static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode) +{ + struct key_entry *key = eepc_get_entry_by_scancode(scancode); + + if (key && key->type == KE_KEY) { + *keycode = key->keycode; + return 0; + } + + return -EINVAL; +} + +static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode) +{ + struct key_entry *key; + int old_keycode; + + if (keycode < 0 || keycode > KEY_MAX) + return -EINVAL; + + key = eepc_get_entry_by_scancode(scancode); + if (key && key->type == KE_KEY) { + old_keycode = key->keycode; + key->keycode = keycode; + set_bit(keycode, dev->keybit); + if (!eepc_get_entry_by_keycode(old_keycode)) + clear_bit(old_keycode, dev->keybit); + return 0; + } + + return -EINVAL; +} + static int eeepc_hotk_check(void) { + const struct key_entry *key; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; int result; @@ -356,6 +475,31 @@ static int eeepc_hotk_check(void) "Get control methods supported: 0x%x\n", ehotk->cm_supported); } + ehotk->inputdev = input_allocate_device(); + if (!ehotk->inputdev) { + printk(EEEPC_INFO "Unable to allocate input device\n"); + return 0; + } + ehotk->inputdev->name = "Asus EeePC extra buttons"; + ehotk->inputdev->phys = EEEPC_HOTK_FILE "/input0"; + ehotk->inputdev->id.bustype = BUS_HOST; + ehotk->inputdev->getkeycode = eeepc_getkeycode; + ehotk->inputdev->setkeycode = eeepc_setkeycode; + + for (key = eeepc_keymap; key->type != KE_END; key++) { + switch (key->type) { + case KE_KEY: + set_bit(EV_KEY, ehotk->inputdev->evbit); + set_bit(key->keycode, ehotk->inputdev->keybit); + break; + } + } + result = input_register_device(ehotk->inputdev); + if (result) { + printk(EEEPC_INFO "Unable to register input device\n"); + input_free_device(ehotk->inputdev); + return 0; + } } else { printk(EEEPC_ERR "Hotkey device not present, aborting\n"); return -EINVAL; @@ -363,21 +507,6 @@ static int eeepc_hotk_check(void) return 0; } -static void notify_wlan(u32 *event) -{ - /* if DISABLE_ASL_WLAN is set, the notify code for fn+f2 - will always be 0x10 */ - if (ehotk->cm_supported & (0x1 << CM_ASL_WLAN)) { - const char *method = cm_getv[CM_ASL_WLAN]; - int value; - if (read_acpi_int(ehotk->handle, method, &value)) - printk(EEEPC_WARNING "Error reading %s\n", - method); - else if (value == 1) - *event = 0x11; - } -} - static void notify_brn(void) { struct backlight_device *bd = eeepc_backlight_device; @@ -386,14 +515,28 @@ static void notify_brn(void) static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) { + static struct key_entry *key; if (!ehotk) return; - if (event == NOTIFY_WLAN_ON && (DISABLE_ASL_WLAN & ehotk->init_flag)) - notify_wlan(&event); if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) notify_brn(); acpi_bus_generate_proc_event(ehotk->device, event, ehotk->event_count[event % 128]++); + if (ehotk->inputdev) { + key = eepc_get_entry_by_scancode(event); + if (key) { + switch (key->type) { + case KE_KEY: + input_report_key(ehotk->inputdev, key->keycode, + 1); + input_sync(ehotk->inputdev); + input_report_key(ehotk->inputdev, key->keycode, + 0); + input_sync(ehotk->inputdev); + break; + } + } + } } static int eeepc_hotk_add(struct acpi_device *device) @@ -411,7 +554,7 @@ static int eeepc_hotk_add(struct acpi_device *device) ehotk->handle = device->handle; strcpy(acpi_device_name(device), EEEPC_HOTK_DEVICE_NAME); strcpy(acpi_device_class(device), EEEPC_HOTK_CLASS); - acpi_driver_data(device) = ehotk; + device->driver_data = ehotk; ehotk->device = device; result = eeepc_hotk_check(); if (result) @@ -420,6 +563,47 @@ static int eeepc_hotk_add(struct acpi_device *device) eeepc_hotk_notify, ehotk); if (ACPI_FAILURE(status)) printk(EEEPC_ERR "Error installing notify handler\n"); + + if (get_acpi(CM_ASL_WLAN) != -1) { + ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev, + RFKILL_TYPE_WLAN); + + if (!ehotk->eeepc_wlan_rfkill) + goto end; + + ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan"; + ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set; + ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state; + if (get_acpi(CM_ASL_WLAN) == 1) + ehotk->eeepc_wlan_rfkill->state = + RFKILL_STATE_UNBLOCKED; + else + ehotk->eeepc_wlan_rfkill->state = + RFKILL_STATE_SOFT_BLOCKED; + rfkill_register(ehotk->eeepc_wlan_rfkill); + } + + if (get_acpi(CM_ASL_BLUETOOTH) != -1) { + ehotk->eeepc_bluetooth_rfkill = + rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH); + + if (!ehotk->eeepc_bluetooth_rfkill) + goto end; + + ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth"; + ehotk->eeepc_bluetooth_rfkill->toggle_radio = + eeepc_bluetooth_rfkill_set; + ehotk->eeepc_bluetooth_rfkill->get_state = + eeepc_bluetooth_rfkill_state; + if (get_acpi(CM_ASL_BLUETOOTH) == 1) + ehotk->eeepc_bluetooth_rfkill->state = + RFKILL_STATE_UNBLOCKED; + else + ehotk->eeepc_bluetooth_rfkill->state = + RFKILL_STATE_SOFT_BLOCKED; + rfkill_register(ehotk->eeepc_bluetooth_rfkill); + } + end: if (result) { kfree(ehotk); @@ -450,12 +634,14 @@ static int eeepc_get_fan_pwm(void) int value = 0; read_acpi_int(NULL, EEEPC_EC_FAN_PWM, &value); + value = value * 255 / 100; return (value); } static void eeepc_set_fan_pwm(int value) { - value = SENSORS_LIMIT(value, 0, 100); + value = SENSORS_LIMIT(value, 0, 255); + value = value * 100 / 255; ec_write(EEEPC_EC_SC02, value); } @@ -520,15 +706,23 @@ static ssize_t show_sys_hwmon(int (*get)(void), char *buf) static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); -EEEPC_CREATE_SENSOR_ATTR(fan1_pwm, S_IRUGO | S_IWUSR, +EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, eeepc_get_fan_pwm, eeepc_set_fan_pwm); EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, eeepc_get_fan_ctrl, eeepc_set_fan_ctrl); +static ssize_t +show_name(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "eeepc\n"); +} +static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); + static struct attribute *hwmon_attributes[] = { - &sensor_dev_attr_fan1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_name.dev_attr.attr, NULL }; @@ -543,6 +737,12 @@ static void eeepc_backlight_exit(void) { if (eeepc_backlight_device) backlight_device_unregister(eeepc_backlight_device); + if (ehotk->inputdev) + input_unregister_device(ehotk->inputdev); + if (ehotk->eeepc_wlan_rfkill) + rfkill_unregister(ehotk->eeepc_wlan_rfkill); + if (ehotk->eeepc_bluetooth_rfkill) + rfkill_unregister(ehotk->eeepc_bluetooth_rfkill); eeepc_backlight_device = NULL; } @@ -625,9 +825,15 @@ static int __init eeepc_laptop_init(void) return -ENODEV; } dev = acpi_get_physical_device(ehotk->device->handle); - result = eeepc_backlight_init(dev); - if (result) - goto fail_backlight; + + if (!acpi_video_backlight_support()) { + result = eeepc_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(EEEPC_INFO "Backlight controlled by ACPI video " + "driver\n"); + result = eeepc_hwmon_init(dev); if (result) goto fail_hwmon; diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index 3e56203e494..a7dd3e9fb79 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -44,8 +44,9 @@ * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are * also supported by this driver. * - * This driver has been tested on a Fujitsu Lifebook S6410 and S7020. It - * should work on most P-series and S-series Lifebooks, but YMMV. + * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and + * P8010. It should work on most P-series and S-series Lifebooks, but + * YMMV. * * The module parameter use_alt_lcd_levels switches between different ACPI * brightness controls which are used by different Fujitsu laptops. In most @@ -65,7 +66,7 @@ #include <linux/video_output.h> #include <linux/platform_device.h> -#define FUJITSU_DRIVER_VERSION "0.4.2" +#define FUJITSU_DRIVER_VERSION "0.4.3" #define FUJITSU_LCD_N_LEVELS 8 @@ -83,10 +84,10 @@ #define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87 /* Hotkey details */ -#define LOCK_KEY 0x410 /* codes for the keys in the GIRB register */ -#define DISPLAY_KEY 0x411 /* keys are mapped to KEY_SCREENLOCK (the key with the key symbol) */ -#define ENERGY_KEY 0x412 /* KEY_MEDIA (the key with the laptop symbol, KEY_EMAIL (E key)) */ -#define REST_KEY 0x413 /* KEY_SUSPEND (R key) */ +#define KEY1_CODE 0x410 /* codes for the keys in the GIRB register */ +#define KEY2_CODE 0x411 +#define KEY3_CODE 0x412 +#define KEY4_CODE 0x413 #define MAX_HOTKEY_RINGBUFFER_SIZE 100 #define RINGBUFFERSIZE 40 @@ -123,6 +124,7 @@ struct fujitsu_t { char phys[32]; struct backlight_device *bl_device; struct platform_device *pf_device; + int keycode1, keycode2, keycode3, keycode4; unsigned int max_brightness; unsigned int brightness_changed; @@ -224,7 +226,7 @@ static int set_lcd_level_alt(int level) static int get_lcd_level(void) { - unsigned long state = 0; + unsigned long long state = 0; acpi_status status = AE_OK; vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); @@ -246,7 +248,7 @@ static int get_lcd_level(void) static int get_max_brightness(void) { - unsigned long state = 0; + unsigned long long state = 0; acpi_status status = AE_OK; vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); @@ -263,7 +265,7 @@ static int get_max_brightness(void) static int get_lcd_level_alt(void) { - unsigned long state = 0; + unsigned long long state = 0; acpi_status status = AE_OK; vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n"); @@ -384,7 +386,7 @@ static ssize_t store_lcd_level(struct device *dev, static int get_irb(void) { - unsigned long state = 0; + unsigned long long state = 0; acpi_status status = AE_OK; vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n"); @@ -430,7 +432,7 @@ static struct platform_driver fujitsupf_driver = { } }; -static int dmi_check_cb_s6410(const struct dmi_system_id *id) +static void dmi_check_cb_common(const struct dmi_system_id *id) { acpi_handle handle; int have_blnf; @@ -452,24 +454,55 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id) "auto-detecting disable_adjust\n"); disable_brightness_adjust = have_blnf ? 0 : 1; } +} + +static int dmi_check_cb_s6410(const struct dmi_system_id *id) +{ + dmi_check_cb_common(id); + fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ + fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ + return 0; +} + +static int dmi_check_cb_s6420(const struct dmi_system_id *id) +{ + dmi_check_cb_common(id); + fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ + fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ + return 0; +} + +static int dmi_check_cb_p8010(const struct dmi_system_id *id) +{ + dmi_check_cb_common(id); + fujitsu->keycode1 = KEY_HELP; /* "Support" */ + fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ + fujitsu->keycode4 = KEY_WWW; /* "Internet" */ return 0; } -static struct dmi_system_id __initdata fujitsu_dmi_table[] = { +static struct dmi_system_id fujitsu_dmi_table[] = { { - .ident = "Fujitsu Siemens", + .ident = "Fujitsu Siemens S6410", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"), }, .callback = dmi_check_cb_s6410}, { - .ident = "FUJITSU LifeBook P8010", + .ident = "Fujitsu Siemens S6420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), + }, + .callback = dmi_check_cb_s6420}, + { + .ident = "Fujitsu LifeBook P8010", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"), - }, - .callback = dmi_check_cb_s6410}, + }, + .callback = dmi_check_cb_p8010}, {} }; @@ -490,7 +523,7 @@ static int acpi_fujitsu_add(struct acpi_device *device) fujitsu->acpi_handle = device->handle; sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - acpi_driver_data(device) = fujitsu; + device->driver_data = fujitsu; status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, @@ -547,7 +580,6 @@ static int acpi_fujitsu_add(struct acpi_device *device) } /* do config (detect defaults) */ - dmi_check_system(fujitsu_dmi_table); use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0; disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; @@ -623,17 +655,17 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data) keycode = 0; if (disable_brightness_keys != 1) { if (oldb == 0) { - acpi_bus_generate_proc_event(fujitsu-> - dev, - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, - 0); + acpi_bus_generate_proc_event + (fujitsu->dev, + ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, + 0); keycode = KEY_BRIGHTNESSDOWN; } else if (oldb == (fujitsu->max_brightness) - 1) { - acpi_bus_generate_proc_event(fujitsu-> - dev, - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, - 0); + acpi_bus_generate_proc_event + (fujitsu->dev, + ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, + 0); keycode = KEY_BRIGHTNESSUP; } } @@ -646,8 +678,7 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data) } if (disable_brightness_keys != 1) { acpi_bus_generate_proc_event(fujitsu->dev, - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, - 0); + ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0); keycode = KEY_BRIGHTNESSUP; } } else if (oldb > newb) { @@ -659,8 +690,7 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data) } if (disable_brightness_keys != 1) { acpi_bus_generate_proc_event(fujitsu->dev, - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, - 0); + ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0); keycode = KEY_BRIGHTNESSDOWN; } } else { @@ -703,7 +733,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_HOTKEY_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - acpi_driver_data(device) = fujitsu_hotkey; + device->driver_data = fujitsu_hotkey; status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, @@ -742,10 +772,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) input->id.product = 0x06; input->dev.parent = &device->dev; input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_SCREENLOCK, input->keybit); - set_bit(KEY_MEDIA, input->keybit); - set_bit(KEY_EMAIL, input->keybit); - set_bit(KEY_SUSPEND, input->keybit); + set_bit(fujitsu->keycode1, input->keybit); + set_bit(fujitsu->keycode2, input->keybit); + set_bit(fujitsu->keycode3, input->keybit); + set_bit(fujitsu->keycode4, input->keybit); set_bit(KEY_UNKNOWN, input->keybit); error = input_register_device(input); @@ -833,24 +863,24 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, irb); switch (irb & 0x4ff) { - case LOCK_KEY: - keycode = KEY_SCREENLOCK; + case KEY1_CODE: + keycode = fujitsu->keycode1; break; - case DISPLAY_KEY: - keycode = KEY_MEDIA; + case KEY2_CODE: + keycode = fujitsu->keycode2; break; - case ENERGY_KEY: - keycode = KEY_EMAIL; + case KEY3_CODE: + keycode = fujitsu->keycode3; break; - case REST_KEY: - keycode = KEY_SUSPEND; + case KEY4_CODE: + keycode = fujitsu->keycode4; break; case 0: keycode = 0; break; default: vdbg_printk(FUJLAPTOP_DBG_WARN, - "Unknown GIRB result [%x]\n", irb); + "Unknown GIRB result [%x]\n", irb); keycode = -1; break; } @@ -859,12 +889,12 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, "Push keycode into ringbuffer [%d]\n", keycode); status = kfifo_put(fujitsu_hotkey->fifo, - (unsigned char *)&keycode, - sizeof(keycode)); + (unsigned char *)&keycode, + sizeof(keycode)); if (status != sizeof(keycode)) { vdbg_printk(FUJLAPTOP_DBG_WARN, - "Could not push keycode [0x%x]\n", - keycode); + "Could not push keycode [0x%x]\n", + keycode); } else { input_report_key(input, keycode, 1); input_sync(input); @@ -879,8 +909,8 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, input_report_key(input, keycode_r, 0); input_sync(input); vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Pop keycode from ringbuffer [%d]\n", - keycode_r); + "Pop keycode from ringbuffer [%d]\n", + keycode_r); } } } @@ -943,6 +973,11 @@ static int __init fujitsu_init(void) if (!fujitsu) return -ENOMEM; memset(fujitsu, 0, sizeof(struct fujitsu_t)); + fujitsu->keycode1 = KEY_PROG1; + fujitsu->keycode2 = KEY_PROG2; + fujitsu->keycode3 = KEY_PROG3; + fujitsu->keycode4 = KEY_PROG4; + dmi_check_system(fujitsu_dmi_table); result = acpi_bus_register_driver(&acpi_fujitsu_driver); if (result < 0) { @@ -970,16 +1005,16 @@ static int __init fujitsu_init(void) /* Register backlight stuff */ - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); - if (IS_ERR(fujitsu->bl_device)) - return PTR_ERR(fujitsu->bl_device); - - max_brightness = fujitsu->max_brightness; - - fujitsu->bl_device->props.max_brightness = max_brightness - 1; - fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + if (!acpi_video_backlight_support()) { + fujitsu->bl_device = + backlight_device_register("fujitsu-laptop", NULL, NULL, + &fujitsubl_ops); + if (IS_ERR(fujitsu->bl_device)) + return PTR_ERR(fujitsu->bl_device); + max_brightness = fujitsu->max_brightness; + fujitsu->bl_device->props.max_brightness = max_brightness - 1; + fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + } ret = platform_driver_register(&fujitsupf_driver); if (ret) @@ -1015,7 +1050,8 @@ fail_hotkey: fail_backlight: - backlight_device_unregister(fujitsu->bl_device); + if (fujitsu->bl_device) + backlight_device_unregister(fujitsu->bl_device); fail_platform_device2: @@ -1042,7 +1078,8 @@ static void __exit fujitsu_cleanup(void) &fujitsupf_attribute_group); platform_device_unregister(fujitsu->pf_device); platform_driver_unregister(&fujitsupf_driver); - backlight_device_unregister(fujitsu->bl_device); + if (fujitsu->bl_device) + backlight_device_unregister(fujitsu->bl_device); acpi_bus_unregister_driver(&acpi_fujitsu_driver); @@ -1076,15 +1113,14 @@ MODULE_DESCRIPTION("Fujitsu laptop extras support"); MODULE_VERSION(FUJITSU_DRIVER_VERSION); MODULE_LICENSE("GPL"); -MODULE_ALIAS - ("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*"); -MODULE_ALIAS - ("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*"); +MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*"); +MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*"); static struct pnp_device_id pnp_ids[] = { - { .id = "FUJ02bf" }, - { .id = "FUJ02B1" }, - { .id = "FUJ02E3" }, - { .id = "" } + {.id = "FUJ02bf"}, + {.id = "FUJ02B1"}, + {.id = "FUJ02E3"}, + {.id = ""} }; + MODULE_DEVICE_TABLE(pnp, pnp_ids); diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c index 08e26beefe6..ce39fa54949 100644 --- a/drivers/misc/hdpuftrs/hdpu_nexus.c +++ b/drivers/misc/hdpuftrs/hdpu_nexus.c @@ -113,7 +113,6 @@ static int hdpu_nexus_probe(struct platform_device *pdev) if (!hdpu_chassis_id) printk(KERN_WARNING "sky_nexus: " "Unable to create proc dir entry: sky_chassis_id\n"); - } return 0; } diff --git a/drivers/misc/hp-wmi.c b/drivers/misc/hp-wmi.c index 6d407c2a4f9..4b7c24c519c 100644 --- a/drivers/misc/hp-wmi.c +++ b/drivers/misc/hp-wmi.c @@ -82,6 +82,7 @@ static struct key_entry hp_wmi_keymap[] = { {KE_KEY, 0x03, KEY_BRIGHTNESSDOWN}, {KE_KEY, 0x20e6, KEY_PROG1}, {KE_KEY, 0x2142, KEY_MEDIA}, + {KE_KEY, 0x213b, KEY_INFO}, {KE_KEY, 0x231b, KEY_HELP}, {KE_END, 0} }; @@ -309,7 +310,7 @@ static int hp_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode) return -EINVAL; } -void hp_wmi_notify(u32 value, void *context) +static void hp_wmi_notify(u32 value, void *context) { struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; static struct key_entry *key; diff --git a/drivers/misc/ics932s401.c b/drivers/misc/ics932s401.c new file mode 100644 index 00000000000..6e43ab4231a --- /dev/null +++ b/drivers/misc/ics932s401.c @@ -0,0 +1,515 @@ +/* + * A driver for the Integrated Circuits ICS932S401 + * Copyright (C) 2008 IBM + * + * Author: Darrick J. Wong <djwong@us.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/module.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/log2.h> + +/* Addresses to scan */ +static const unsigned short normal_i2c[] = { 0x69, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(ics932s401); + +/* ICS932S401 registers */ +#define ICS932S401_REG_CFG2 0x01 +#define ICS932S401_CFG1_SPREAD 0x01 +#define ICS932S401_REG_CFG7 0x06 +#define ICS932S401_FS_MASK 0x07 +#define ICS932S401_REG_VENDOR_REV 0x07 +#define ICS932S401_VENDOR 1 +#define ICS932S401_VENDOR_MASK 0x0F +#define ICS932S401_REV 4 +#define ICS932S401_REV_SHIFT 4 +#define ICS932S401_REG_DEVICE 0x09 +#define ICS932S401_DEVICE 11 +#define ICS932S401_REG_CTRL 0x0A +#define ICS932S401_MN_ENABLED 0x80 +#define ICS932S401_CPU_ALT 0x04 +#define ICS932S401_SRC_ALT 0x08 +#define ICS932S401_REG_CPU_M_CTRL 0x0B +#define ICS932S401_M_MASK 0x3F +#define ICS932S401_REG_CPU_N_CTRL 0x0C +#define ICS932S401_REG_CPU_SPREAD1 0x0D +#define ICS932S401_REG_CPU_SPREAD2 0x0E +#define ICS932S401_SPREAD_MASK 0x7FFF +#define ICS932S401_REG_SRC_M_CTRL 0x0F +#define ICS932S401_REG_SRC_N_CTRL 0x10 +#define ICS932S401_REG_SRC_SPREAD1 0x11 +#define ICS932S401_REG_SRC_SPREAD2 0x12 +#define ICS932S401_REG_CPU_DIVISOR 0x13 +#define ICS932S401_CPU_DIVISOR_SHIFT 4 +#define ICS932S401_REG_PCISRC_DIVISOR 0x14 +#define ICS932S401_SRC_DIVISOR_MASK 0x0F +#define ICS932S401_PCI_DIVISOR_SHIFT 4 + +/* Base clock is 14.318MHz */ +#define BASE_CLOCK 14318 + +#define NUM_REGS 21 +#define NUM_MIRRORED_REGS 15 + +static int regs_to_copy[NUM_MIRRORED_REGS] = { + ICS932S401_REG_CFG2, + ICS932S401_REG_CFG7, + ICS932S401_REG_VENDOR_REV, + ICS932S401_REG_DEVICE, + ICS932S401_REG_CTRL, + ICS932S401_REG_CPU_M_CTRL, + ICS932S401_REG_CPU_N_CTRL, + ICS932S401_REG_CPU_SPREAD1, + ICS932S401_REG_CPU_SPREAD2, + ICS932S401_REG_SRC_M_CTRL, + ICS932S401_REG_SRC_N_CTRL, + ICS932S401_REG_SRC_SPREAD1, + ICS932S401_REG_SRC_SPREAD2, + ICS932S401_REG_CPU_DIVISOR, + ICS932S401_REG_PCISRC_DIVISOR, +}; + +/* How often do we reread sensors values? (In jiffies) */ +#define SENSOR_REFRESH_INTERVAL (2 * HZ) + +/* How often do we reread sensor limit values? (In jiffies) */ +#define LIMIT_REFRESH_INTERVAL (60 * HZ) + +struct ics932s401_data { + struct attribute_group attrs; + struct mutex lock; + char sensors_valid; + unsigned long sensors_last_updated; /* In jiffies */ + + u8 regs[NUM_REGS]; +}; + +static int ics932s401_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int ics932s401_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); +static int ics932s401_remove(struct i2c_client *client); + +static const struct i2c_device_id ics932s401_id[] = { + { "ics932s401", ics932s401 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, ics932s401_id); + +static struct i2c_driver ics932s401_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "ics932s401", + }, + .probe = ics932s401_probe, + .remove = ics932s401_remove, + .id_table = ics932s401_id, + .detect = ics932s401_detect, + .address_data = &addr_data, +}; + +static struct ics932s401_data *ics932s401_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ics932s401_data *data = i2c_get_clientdata(client); + unsigned long local_jiffies = jiffies; + int i, temp; + + mutex_lock(&data->lock); + if (time_before(local_jiffies, data->sensors_last_updated + + SENSOR_REFRESH_INTERVAL) + && data->sensors_valid) + goto out; + + /* + * Each register must be read as a word and then right shifted 8 bits. + * Not really sure why this is; setting the "byte count programming" + * register to 1 does not fix this problem. + */ + for (i = 0; i < NUM_MIRRORED_REGS; i++) { + temp = i2c_smbus_read_word_data(client, regs_to_copy[i]); + data->regs[regs_to_copy[i]] = temp >> 8; + } + + data->sensors_last_updated = local_jiffies; + data->sensors_valid = 1; + +out: + mutex_unlock(&data->lock); + return data; +} + +static ssize_t show_spread_enabled(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + if (data->regs[ICS932S401_REG_CFG2] & ICS932S401_CFG1_SPREAD) + return sprintf(buf, "1\n"); + + return sprintf(buf, "0\n"); +} + +/* bit to cpu khz map */ +static const int fs_speeds[] = { + 266666, + 133333, + 200000, + 166666, + 333333, + 100000, + 400000, + 0, +}; + +/* clock divisor map */ +static const int divisors[] = {2, 3, 5, 15, 4, 6, 10, 30, 8, 12, 20, 60, 16, + 24, 40, 120}; + +/* Calculate CPU frequency from the M/N registers. */ +static int calculate_cpu_freq(struct ics932s401_data *data) +{ + int m, n, freq; + + m = data->regs[ICS932S401_REG_CPU_M_CTRL] & ICS932S401_M_MASK; + n = data->regs[ICS932S401_REG_CPU_N_CTRL]; + + /* Pull in bits 8 & 9 from the M register */ + n |= ((int)data->regs[ICS932S401_REG_CPU_M_CTRL] & 0x80) << 1; + n |= ((int)data->regs[ICS932S401_REG_CPU_M_CTRL] & 0x40) << 3; + + freq = BASE_CLOCK * (n + 8) / (m + 2); + freq /= divisors[data->regs[ICS932S401_REG_CPU_DIVISOR] >> + ICS932S401_CPU_DIVISOR_SHIFT]; + + return freq; +} + +static ssize_t show_cpu_clock(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + return sprintf(buf, "%d\n", calculate_cpu_freq(data)); +} + +static ssize_t show_cpu_clock_sel(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int freq; + + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_MN_ENABLED) + freq = calculate_cpu_freq(data); + else { + /* Freq is neatly wrapped up for us */ + int fid = data->regs[ICS932S401_REG_CFG7] & ICS932S401_FS_MASK; + freq = fs_speeds[fid]; + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_CPU_ALT) { + switch (freq) { + case 166666: + freq = 160000; + break; + case 333333: + freq = 320000; + break; + } + } + } + + return sprintf(buf, "%d\n", freq); +} + +/* Calculate SRC frequency from the M/N registers. */ +static int calculate_src_freq(struct ics932s401_data *data) +{ + int m, n, freq; + + m = data->regs[ICS932S401_REG_SRC_M_CTRL] & ICS932S401_M_MASK; + n = data->regs[ICS932S401_REG_SRC_N_CTRL]; + + /* Pull in bits 8 & 9 from the M register */ + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x80) << 1; + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x40) << 3; + + freq = BASE_CLOCK * (n + 8) / (m + 2); + freq /= divisors[data->regs[ICS932S401_REG_PCISRC_DIVISOR] & + ICS932S401_SRC_DIVISOR_MASK]; + + return freq; +} + +static ssize_t show_src_clock(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + return sprintf(buf, "%d\n", calculate_src_freq(data)); +} + +static ssize_t show_src_clock_sel(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int freq; + + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_MN_ENABLED) + freq = calculate_src_freq(data); + else + /* Freq is neatly wrapped up for us */ + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_CPU_ALT && + data->regs[ICS932S401_REG_CTRL] & ICS932S401_SRC_ALT) + freq = 96000; + else + freq = 100000; + + return sprintf(buf, "%d\n", freq); +} + +/* Calculate PCI frequency from the SRC M/N registers. */ +static int calculate_pci_freq(struct ics932s401_data *data) +{ + int m, n, freq; + + m = data->regs[ICS932S401_REG_SRC_M_CTRL] & ICS932S401_M_MASK; + n = data->regs[ICS932S401_REG_SRC_N_CTRL]; + + /* Pull in bits 8 & 9 from the M register */ + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x80) << 1; + n |= ((int)data->regs[ICS932S401_REG_SRC_M_CTRL] & 0x40) << 3; + + freq = BASE_CLOCK * (n + 8) / (m + 2); + freq /= divisors[data->regs[ICS932S401_REG_PCISRC_DIVISOR] >> + ICS932S401_PCI_DIVISOR_SHIFT]; + + return freq; +} + +static ssize_t show_pci_clock(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + + return sprintf(buf, "%d\n", calculate_pci_freq(data)); +} + +static ssize_t show_pci_clock_sel(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int freq; + + if (data->regs[ICS932S401_REG_CTRL] & ICS932S401_MN_ENABLED) + freq = calculate_pci_freq(data); + else + freq = 33333; + + return sprintf(buf, "%d\n", freq); +} + +static ssize_t show_value(struct device *dev, + struct device_attribute *devattr, + char *buf); + +static ssize_t show_spread(struct device *dev, + struct device_attribute *devattr, + char *buf); + +static DEVICE_ATTR(spread_enabled, S_IRUGO, show_spread_enabled, NULL); +static DEVICE_ATTR(cpu_clock_selection, S_IRUGO, show_cpu_clock_sel, NULL); +static DEVICE_ATTR(cpu_clock, S_IRUGO, show_cpu_clock, NULL); +static DEVICE_ATTR(src_clock_selection, S_IRUGO, show_src_clock_sel, NULL); +static DEVICE_ATTR(src_clock, S_IRUGO, show_src_clock, NULL); +static DEVICE_ATTR(pci_clock_selection, S_IRUGO, show_pci_clock_sel, NULL); +static DEVICE_ATTR(pci_clock, S_IRUGO, show_pci_clock, NULL); +static DEVICE_ATTR(usb_clock, S_IRUGO, show_value, NULL); +static DEVICE_ATTR(ref_clock, S_IRUGO, show_value, NULL); +static DEVICE_ATTR(cpu_spread, S_IRUGO, show_spread, NULL); +static DEVICE_ATTR(src_spread, S_IRUGO, show_spread, NULL); + +static struct attribute *ics932s401_attr[] = +{ + &dev_attr_spread_enabled.attr, + &dev_attr_cpu_clock_selection.attr, + &dev_attr_cpu_clock.attr, + &dev_attr_src_clock_selection.attr, + &dev_attr_src_clock.attr, + &dev_attr_pci_clock_selection.attr, + &dev_attr_pci_clock.attr, + &dev_attr_usb_clock.attr, + &dev_attr_ref_clock.attr, + &dev_attr_cpu_spread.attr, + &dev_attr_src_spread.attr, + NULL +}; + +static ssize_t show_value(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + int x; + + if (devattr == &dev_attr_usb_clock) + x = 48000; + else if (devattr == &dev_attr_ref_clock) + x = BASE_CLOCK; + else + BUG(); + + return sprintf(buf, "%d\n", x); +} + +static ssize_t show_spread(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct ics932s401_data *data = ics932s401_update_device(dev); + int reg; + unsigned long val; + + if (!(data->regs[ICS932S401_REG_CFG2] & ICS932S401_CFG1_SPREAD)) + return sprintf(buf, "0%%\n"); + + if (devattr == &dev_attr_src_spread) + reg = ICS932S401_REG_SRC_SPREAD1; + else if (devattr == &dev_attr_cpu_spread) + reg = ICS932S401_REG_CPU_SPREAD1; + else + BUG(); + + val = data->regs[reg] | (data->regs[reg + 1] << 8); + val &= ICS932S401_SPREAD_MASK; + + /* Scale 0..2^14 to -0.5. */ + val = 500000 * val / 16384; + return sprintf(buf, "-0.%lu%%\n", val); +} + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int ics932s401_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + if (kind <= 0) { + int vendor, device, revision; + + vendor = i2c_smbus_read_word_data(client, + ICS932S401_REG_VENDOR_REV); + vendor >>= 8; + revision = vendor >> ICS932S401_REV_SHIFT; + vendor &= ICS932S401_VENDOR_MASK; + if (vendor != ICS932S401_VENDOR) + return -ENODEV; + + device = i2c_smbus_read_word_data(client, + ICS932S401_REG_DEVICE); + device >>= 8; + if (device != ICS932S401_DEVICE) + return -ENODEV; + + if (revision != ICS932S401_REV) + dev_info(&adapter->dev, "Unknown revision %d\n", + revision); + } else + dev_dbg(&adapter->dev, "detection forced\n"); + + strlcpy(info->type, "ics932s401", I2C_NAME_SIZE); + + return 0; +} + +static int ics932s401_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct ics932s401_data *data; + int err; + + data = kzalloc(sizeof(struct ics932s401_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->lock); + + dev_info(&client->dev, "%s chip found\n", client->name); + + /* Register sysfs hooks */ + data->attrs.attrs = ics932s401_attr; + err = sysfs_create_group(&client->dev.kobj, &data->attrs); + if (err) + goto exit_free; + + return 0; + +exit_free: + kfree(data); +exit: + return err; +} + +static int ics932s401_remove(struct i2c_client *client) +{ + struct ics932s401_data *data = i2c_get_clientdata(client); + + sysfs_remove_group(&client->dev.kobj, &data->attrs); + kfree(data); + return 0; +} + +static int __init ics932s401_init(void) +{ + return i2c_add_driver(&ics932s401_driver); +} + +static void __exit ics932s401_exit(void) +{ + i2c_del_driver(&ics932s401_driver); +} + +MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); +MODULE_DESCRIPTION("ICS932S401 driver"); +MODULE_LICENSE("GPL"); + +module_init(ics932s401_init); +module_exit(ics932s401_exit); + +/* IBM IntelliStation Z30 */ +MODULE_ALIAS("dmi:bvnIBM:*:rn9228:*"); +MODULE_ALIAS("dmi:bvnIBM:*:rn9232:*"); + +/* IBM x3650/x3550 */ +MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3650*"); +MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3550*"); diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c index 80a13635240..27b7662955b 100644 --- a/drivers/misc/intel_menlow.c +++ b/drivers/misc/intel_menlow.c @@ -52,12 +52,17 @@ MODULE_LICENSE("GPL"); #define MEMORY_ARG_CUR_BANDWIDTH 1 #define MEMORY_ARG_MAX_BANDWIDTH 0 +/* + * GTHS returning 'n' would mean that [0,n-1] states are supported + * In that case max_cstate would be n-1 + * GTHS returning '0' would mean that no bandwidth control states are supported + */ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, unsigned long *max_state) { struct acpi_device *device = cdev->devdata; acpi_handle handle = device->handle; - unsigned long value; + unsigned long long value; struct acpi_object_list arg_list; union acpi_object arg; acpi_status status = AE_OK; @@ -71,6 +76,9 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, if (ACPI_FAILURE(status)) return -EFAULT; + if (!value) + return -EINVAL; + *max_state = value - 1; return 0; } @@ -90,7 +98,7 @@ static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev, { struct acpi_device *device = cdev->devdata; acpi_handle handle = device->handle; - unsigned long value; + unsigned long long value; struct acpi_object_list arg_list; union acpi_object arg; acpi_status status = AE_OK; @@ -104,7 +112,7 @@ static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev, if (ACPI_FAILURE(status)) return -EFAULT; - return sprintf(buf, "%ld\n", value); + return sprintf(buf, "%llu\n", value); } static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, @@ -115,13 +123,13 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, struct acpi_object_list arg_list; union acpi_object arg; acpi_status status; - int temp; + unsigned long long temp; unsigned long max_state; if (memory_get_int_max_bandwidth(cdev, &max_state)) return -EFAULT; - if (max_state < 0 || state > max_state) + if (state > max_state) return -EINVAL; arg_list.count = 1; @@ -131,7 +139,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, status = acpi_evaluate_integer(handle, MEMORY_SET_BANDWIDTH, &arg_list, - (unsigned long *)&temp); + &temp); printk(KERN_INFO "Bandwidth value was %d: status is %d\n", state, status); @@ -175,7 +183,7 @@ static int intel_menlow_memory_add(struct acpi_device *device) goto end; } - acpi_driver_data(device) = cdev; + device->driver_data = cdev; result = sysfs_create_link(&device->dev.kobj, &cdev->device.kobj, "thermal_cooling"); if (result) @@ -252,7 +260,8 @@ static DEFINE_MUTEX(intel_menlow_attr_lock); * @auxtype : AUX0/AUX1 * @buf: syfs buffer */ -static int sensor_get_auxtrip(acpi_handle handle, int index, int *value) +static int sensor_get_auxtrip(acpi_handle handle, int index, + unsigned long long *value) { acpi_status status; @@ -260,7 +269,7 @@ static int sensor_get_auxtrip(acpi_handle handle, int index, int *value) return -EINVAL; status = acpi_evaluate_integer(handle, index ? GET_AUX1 : GET_AUX0, - NULL, (unsigned long *)value); + NULL, value); if (ACPI_FAILURE(status)) return -EIO; @@ -282,13 +291,13 @@ static int sensor_set_auxtrip(acpi_handle handle, int index, int value) struct acpi_object_list args = { 1, &arg }; - int temp; + unsigned long long temp; if (index != 0 && index != 1) return -EINVAL; status = acpi_evaluate_integer(handle, index ? GET_AUX0 : GET_AUX1, - NULL, (unsigned long *)&temp); + NULL, &temp); if (ACPI_FAILURE(status)) return -EIO; if ((index && value < temp) || (!index && value > temp)) @@ -296,7 +305,7 @@ static int sensor_set_auxtrip(acpi_handle handle, int index, int value) arg.integer.value = value; status = acpi_evaluate_integer(handle, index ? SET_AUX1 : SET_AUX0, - &args, (unsigned long *)&temp); + &args, &temp); if (ACPI_FAILURE(status)) return -EIO; @@ -312,7 +321,7 @@ static ssize_t aux0_show(struct device *dev, struct device_attribute *dev_attr, char *buf) { struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr); - int value; + unsigned long long value; int result; result = sensor_get_auxtrip(attr->handle, 0, &value); @@ -324,7 +333,7 @@ static ssize_t aux1_show(struct device *dev, struct device_attribute *dev_attr, char *buf) { struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr); - int value; + unsigned long long value; int result; result = sensor_get_auxtrip(attr->handle, 1, &value); @@ -376,7 +385,7 @@ static ssize_t bios_enabled_show(struct device *dev, struct device_attribute *attr, char *buf) { acpi_status status; - unsigned long bios_enabled; + unsigned long long bios_enabled; status = acpi_evaluate_integer(NULL, BIOS_ENABLED, NULL, &bios_enabled); if (ACPI_FAILURE(status)) @@ -492,7 +501,7 @@ static int __init intel_menlow_module_init(void) { int result = -ENODEV; acpi_status status; - unsigned long enable; + unsigned long long enable; if (acpi_disabled) return result; diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c index de898c6938f..759763d18e4 100644 --- a/drivers/misc/msi-laptop.c +++ b/drivers/misc/msi-laptop.c @@ -347,12 +347,16 @@ static int __init msi_init(void) /* Register backlight stuff */ - msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL, - &msibl_ops); - if (IS_ERR(msibl_device)) - return PTR_ERR(msibl_device); - - msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; + if (acpi_video_backlight_support()) { + printk(KERN_INFO "MSI: Brightness ignored, must be controlled " + "by ACPI video driver\n"); + } else { + msibl_device = backlight_device_register("msi-laptop-bl", NULL, + NULL, &msibl_ops); + if (IS_ERR(msibl_device)) + return PTR_ERR(msibl_device); + msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; + } ret = platform_driver_register(&msipf_driver); if (ret) diff --git a/drivers/misc/panasonic-laptop.c b/drivers/misc/panasonic-laptop.c new file mode 100644 index 00000000000..4a1bc64485d --- /dev/null +++ b/drivers/misc/panasonic-laptop.c @@ -0,0 +1,766 @@ +/* + * Panasonic HotKey and LCD brightness control driver + * (C) 2004 Hiroshi Miura <miura@da-cha.org> + * (C) 2004 NTT DATA Intellilink Co. http://www.intellilink.co.jp/ + * (C) YOKOTA Hiroshi <yokota (at) netlab. is. tsukuba. ac. jp> + * (C) 2004 David Bronaugh <dbronaugh> + * (C) 2006-2008 Harald Welte <laforge@gnumonks.org> + * + * derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * publicshed by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + *--------------------------------------------------------------------------- + * + * ChangeLog: + * Sep.23, 2008 Harald Welte <laforge@gnumonks.org> + * -v0.95 rename driver from drivers/acpi/pcc_acpi.c to + * drivers/misc/panasonic-laptop.c + * + * Jul.04, 2008 Harald Welte <laforge@gnumonks.org> + * -v0.94 replace /proc interface with device attributes + * support {set,get}keycode on th input device + * + * Jun.27, 2008 Harald Welte <laforge@gnumonks.org> + * -v0.92 merge with 2.6.26-rc6 input API changes + * remove broken <= 2.6.15 kernel support + * resolve all compiler warnings + * various coding style fixes (checkpatch.pl) + * add support for backlight api + * major code restructuring + * + * Dac.28, 2007 Harald Welte <laforge@gnumonks.org> + * -v0.91 merge with 2.6.24-rc6 ACPI changes + * + * Nov.04, 2006 Hiroshi Miura <miura@da-cha.org> + * -v0.9 remove warning about section reference. + * remove acpi_os_free + * add /proc/acpi/pcc/brightness interface for HAL access + * merge dbronaugh's enhancement + * Aug.17, 2004 David Bronaugh (dbronaugh) + * - Added screen brightness setting interface + * Thanks to FreeBSD crew (acpi_panasonic.c) + * for the ideas I needed to accomplish it + * + * May.29, 2006 Hiroshi Miura <miura@da-cha.org> + * -v0.8.4 follow to change keyinput structure + * thanks Fabian Yamaguchi <fabs@cs.tu-berlin.de>, + * Jacob Bower <jacob.bower@ic.ac.uk> and + * Hiroshi Yokota for providing solutions. + * + * Oct.02, 2004 Hiroshi Miura <miura@da-cha.org> + * -v0.8.2 merge code of YOKOTA Hiroshi + * <yokota@netlab.is.tsukuba.ac.jp>. + * Add sticky key mode interface. + * Refactoring acpi_pcc_generate_keyinput(). + * + * Sep.15, 2004 Hiroshi Miura <miura@da-cha.org> + * -v0.8 Generate key input event on input subsystem. + * This is based on yet another driver written by + * Ryuta Nakanishi. + * + * Sep.10, 2004 Hiroshi Miura <miura@da-cha.org> + * -v0.7 Change proc interface functions using seq_file + * facility as same as other ACPI drivers. + * + * Aug.28, 2004 Hiroshi Miura <miura@da-cha.org> + * -v0.6.4 Fix a silly error with status checking + * + * Aug.25, 2004 Hiroshi Miura <miura@da-cha.org> + * -v0.6.3 replace read_acpi_int by standard function + * acpi_evaluate_integer + * some clean up and make smart copyright notice. + * fix return value of pcc_acpi_get_key() + * fix checking return value of acpi_bus_register_driver() + * + * Aug.22, 2004 David Bronaugh <dbronaugh@linuxboxen.org> + * -v0.6.2 Add check on ACPI data (num_sifr) + * Coding style cleanups, better error messages/handling + * Fixed an off-by-one error in memory allocation + * + * Aug.21, 2004 David Bronaugh <dbronaugh@linuxboxen.org> + * -v0.6.1 Fix a silly error with status checking + * + * Aug.20, 2004 David Bronaugh <dbronaugh@linuxboxen.org> + * - v0.6 Correct brightness controls to reflect reality + * based on information gleaned by Hiroshi Miura + * and discussions with Hiroshi Miura + * + * Aug.10, 2004 Hiroshi Miura <miura@da-cha.org> + * - v0.5 support LCD brightness control + * based on the disclosed information by MEI. + * + * Jul.25, 2004 Hiroshi Miura <miura@da-cha.org> + * - v0.4 first post version + * add function to retrive SIFR + * + * Jul.24, 2004 Hiroshi Miura <miura@da-cha.org> + * - v0.3 get proper status of hotkey + * + * Jul.22, 2004 Hiroshi Miura <miura@da-cha.org> + * - v0.2 add HotKey handler + * + * Jul.17, 2004 Hiroshi Miura <miura@da-cha.org> + * - v0.1 start from toshiba_acpi driver written by John Belmonte + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/backlight.h> +#include <linux/ctype.h> +#include <linux/seq_file.h> +#include <linux/uaccess.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> +#include <linux/input.h> + + +#ifndef ACPI_HOTKEY_COMPONENT +#define ACPI_HOTKEY_COMPONENT 0x10000000 +#endif + +#define _COMPONENT ACPI_HOTKEY_COMPONENT + +MODULE_AUTHOR("Hiroshi Miura, David Bronaugh and Harald Welte"); +MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops"); +MODULE_LICENSE("GPL"); + +#define LOGPREFIX "pcc_acpi: " + +/* Define ACPI PATHs */ +/* Lets note hotkeys */ +#define METHOD_HKEY_QUERY "HINF" +#define METHOD_HKEY_SQTY "SQTY" +#define METHOD_HKEY_SINF "SINF" +#define METHOD_HKEY_SSET "SSET" +#define HKEY_NOTIFY 0x80 + +#define ACPI_PCC_DRIVER_NAME "Panasonic Laptop Support" +#define ACPI_PCC_DEVICE_NAME "Hotkey" +#define ACPI_PCC_CLASS "pcc" + +#define ACPI_PCC_INPUT_PHYS "panasonic/hkey0" + +/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent + ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00 +*/ +enum SINF_BITS { SINF_NUM_BATTERIES = 0, + SINF_LCD_TYPE, + SINF_AC_MAX_BRIGHT, + SINF_AC_MIN_BRIGHT, + SINF_AC_CUR_BRIGHT, + SINF_DC_MAX_BRIGHT, + SINF_DC_MIN_BRIGHT, + SINF_DC_CUR_BRIGHT, + SINF_MUTE, + SINF_RESERVED, + SINF_ENV_STATE, + SINF_STICKY_KEY = 0x80, + }; +/* R1 handles SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT, doesn't know AC state */ + +static int acpi_pcc_hotkey_add(struct acpi_device *device); +static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type); +static int acpi_pcc_hotkey_resume(struct acpi_device *device); + +static const struct acpi_device_id pcc_device_ids[] = { + { "MAT0012", 0}, + { "MAT0013", 0}, + { "MAT0018", 0}, + { "MAT0019", 0}, + { "", 0}, +}; + +static struct acpi_driver acpi_pcc_driver = { + .name = ACPI_PCC_DRIVER_NAME, + .class = ACPI_PCC_CLASS, + .ids = pcc_device_ids, + .ops = { + .add = acpi_pcc_hotkey_add, + .remove = acpi_pcc_hotkey_remove, + .resume = acpi_pcc_hotkey_resume, + }, +}; + +#define KEYMAP_SIZE 11 +static const int initial_keymap[KEYMAP_SIZE] = { + /* 0 */ KEY_RESERVED, + /* 1 */ KEY_BRIGHTNESSDOWN, + /* 2 */ KEY_BRIGHTNESSUP, + /* 3 */ KEY_DISPLAYTOGGLE, + /* 4 */ KEY_MUTE, + /* 5 */ KEY_VOLUMEDOWN, + /* 6 */ KEY_VOLUMEUP, + /* 7 */ KEY_SLEEP, + /* 8 */ KEY_PROG1, /* Change CPU boost */ + /* 9 */ KEY_BATTERY, + /* 10 */ KEY_SUSPEND, +}; + +struct pcc_acpi { + acpi_handle handle; + unsigned long num_sifr; + int sticky_mode; + u32 *sinf; + struct acpi_device *device; + struct input_dev *input_dev; + struct backlight_device *backlight; + int keymap[KEYMAP_SIZE]; +}; + +struct pcc_keyinput { + struct acpi_hotkey *hotkey; +}; + +/* method access functions */ +static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val) +{ + union acpi_object in_objs[] = { + { .integer.type = ACPI_TYPE_INTEGER, + .integer.value = func, }, + { .integer.type = ACPI_TYPE_INTEGER, + .integer.value = val, }, + }; + struct acpi_object_list params = { + .count = ARRAY_SIZE(in_objs), + .pointer = in_objs, + }; + acpi_status status = AE_OK; + + ACPI_FUNCTION_TRACE("acpi_pcc_write_sset"); + + status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET, + ¶ms, NULL); + + return status == AE_OK; +} + +static inline int acpi_pcc_get_sqty(struct acpi_device *device) +{ + unsigned long long s; + acpi_status status; + + ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty"); + + status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY, + NULL, &s); + if (ACPI_SUCCESS(status)) + return s; + else { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "evaluation error HKEY.SQTY\n")); + return -EINVAL; + } +} + +static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf) +{ + acpi_status status; + struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *hkey = NULL; + int i; + + ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata"); + + status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, 0, + &buffer); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "evaluation error HKEY.SINF\n")); + return 0; + } + + hkey = buffer.pointer; + if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n")); + goto end; + } + + if (pcc->num_sifr < hkey->package.count) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "SQTY reports bad SINF length\n")); + status = AE_ERROR; + goto end; + } + + for (i = 0; i < hkey->package.count; i++) { + union acpi_object *element = &(hkey->package.elements[i]); + if (likely(element->type == ACPI_TYPE_INTEGER)) { + sinf[i] = element->integer.value; + } else + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Invalid HKEY.SINF data\n")); + } + sinf[hkey->package.count] = -1; + +end: + kfree(buffer.pointer); + return status == AE_OK; +} + +/* backlight API interface functions */ + +/* This driver currently treats AC and DC brightness identical, + * since we don't need to invent an interface to the core ACPI + * logic to receive events in case a power supply is plugged in + * or removed */ + +static int bl_get(struct backlight_device *bd) +{ + struct pcc_acpi *pcc = bl_get_data(bd); + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) + return -EIO; + + return pcc->sinf[SINF_AC_CUR_BRIGHT]; +} + +static int bl_set_status(struct backlight_device *bd) +{ + struct pcc_acpi *pcc = bl_get_data(bd); + int bright = bd->props.brightness; + int rc; + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) + return -EIO; + + if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT]) + bright = pcc->sinf[SINF_AC_MIN_BRIGHT]; + + if (bright < pcc->sinf[SINF_DC_MIN_BRIGHT]) + bright = pcc->sinf[SINF_DC_MIN_BRIGHT]; + + if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT] || + bright > pcc->sinf[SINF_AC_MAX_BRIGHT]) + return -EINVAL; + + rc = acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, bright); + if (rc < 0) + return rc; + + return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright); +} + +static struct backlight_ops pcc_backlight_ops = { + .get_brightness = bl_get, + .update_status = bl_set_status, +}; + + +/* sysfs user interface functions */ + +static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct acpi_device *acpi = to_acpi_device(dev); + struct pcc_acpi *pcc = acpi_driver_data(acpi); + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) + return -EIO; + + return sprintf(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]); +} + +static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct acpi_device *acpi = to_acpi_device(dev); + struct pcc_acpi *pcc = acpi_driver_data(acpi); + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) + return -EIO; + + return sprintf(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]); +} + +static ssize_t show_mute(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct acpi_device *acpi = to_acpi_device(dev); + struct pcc_acpi *pcc = acpi_driver_data(acpi); + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) + return -EIO; + + return sprintf(buf, "%u\n", pcc->sinf[SINF_MUTE]); +} + +static ssize_t show_sticky(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct acpi_device *acpi = to_acpi_device(dev); + struct pcc_acpi *pcc = acpi_driver_data(acpi); + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) + return -EIO; + + return sprintf(buf, "%u\n", pcc->sinf[SINF_STICKY_KEY]); +} + +static ssize_t set_sticky(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct acpi_device *acpi = to_acpi_device(dev); + struct pcc_acpi *pcc = acpi_driver_data(acpi); + int val; + + if (count && sscanf(buf, "%i", &val) == 1 && + (val == 0 || val == 1)) { + acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, val); + pcc->sticky_mode = val; + } + + return count; +} + +static DEVICE_ATTR(numbatt, S_IRUGO, show_numbatt, NULL); +static DEVICE_ATTR(lcdtype, S_IRUGO, show_lcdtype, NULL); +static DEVICE_ATTR(mute, S_IRUGO, show_mute, NULL); +static DEVICE_ATTR(sticky_key, S_IRUGO | S_IWUSR, show_sticky, set_sticky); + +static struct attribute *pcc_sysfs_entries[] = { + &dev_attr_numbatt.attr, + &dev_attr_lcdtype.attr, + &dev_attr_mute.attr, + &dev_attr_sticky_key.attr, + NULL, +}; + +static struct attribute_group pcc_attr_group = { + .name = NULL, /* put in device directory */ + .attrs = pcc_sysfs_entries, +}; + + +/* hotkey input device driver */ + +static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode) +{ + struct pcc_acpi *pcc = input_get_drvdata(dev); + + if (scancode >= ARRAY_SIZE(pcc->keymap)) + return -EINVAL; + + *keycode = pcc->keymap[scancode]; + + return 0; +} + +static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++) { + if (pcc->keymap[i] == keycode) + return i+1; + } + + return 0; +} + +static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode) +{ + struct pcc_acpi *pcc = input_get_drvdata(dev); + int oldkeycode; + + if (scancode >= ARRAY_SIZE(pcc->keymap)) + return -EINVAL; + + if (keycode < 0 || keycode > KEY_MAX) + return -EINVAL; + + oldkeycode = pcc->keymap[scancode]; + pcc->keymap[scancode] = keycode; + + set_bit(keycode, dev->keybit); + + if (!keymap_get_by_keycode(pcc, oldkeycode)) + clear_bit(oldkeycode, dev->keybit); + + return 0; +} + +static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) +{ + struct input_dev *hotk_input_dev = pcc->input_dev; + int rc; + int key_code, hkey_num; + unsigned long long result; + + ACPI_FUNCTION_TRACE("acpi_pcc_generate_keyinput"); + + rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY, + NULL, &result); + if (!ACPI_SUCCESS(rc)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "error getting hotkey status\n")); + return; + } + + acpi_bus_generate_proc_event(pcc->device, HKEY_NOTIFY, result); + + hkey_num = result & 0xf; + + if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "hotkey number out of range: %d\n", + hkey_num)); + return; + } + + key_code = pcc->keymap[hkey_num]; + + if (key_code != KEY_RESERVED) { + int pushed = (result & 0x80) ? TRUE : FALSE; + + input_report_key(hotk_input_dev, key_code, pushed); + input_sync(hotk_input_dev); + } + + return; +} + +static void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data) +{ + struct pcc_acpi *pcc = (struct pcc_acpi *) data; + + ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify"); + + switch (event) { + case HKEY_NOTIFY: + acpi_pcc_generate_keyinput(pcc); + break; + default: + /* nothing to do */ + break; + } +} + +static int acpi_pcc_init_input(struct pcc_acpi *pcc) +{ + int i, rc; + + ACPI_FUNCTION_TRACE("acpi_pcc_init_input"); + + pcc->input_dev = input_allocate_device(); + if (!pcc->input_dev) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Couldn't allocate input device for hotkey")); + return -ENOMEM; + } + + pcc->input_dev->evbit[0] = BIT(EV_KEY); + + pcc->input_dev->name = ACPI_PCC_DRIVER_NAME; + pcc->input_dev->phys = ACPI_PCC_INPUT_PHYS; + pcc->input_dev->id.bustype = BUS_HOST; + pcc->input_dev->id.vendor = 0x0001; + pcc->input_dev->id.product = 0x0001; + pcc->input_dev->id.version = 0x0100; + pcc->input_dev->getkeycode = pcc_getkeycode; + pcc->input_dev->setkeycode = pcc_setkeycode; + + /* load initial keymap */ + memcpy(pcc->keymap, initial_keymap, sizeof(pcc->keymap)); + + for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++) + __set_bit(pcc->keymap[i], pcc->input_dev->keybit); + __clear_bit(KEY_RESERVED, pcc->input_dev->keybit); + + input_set_drvdata(pcc->input_dev, pcc); + + rc = input_register_device(pcc->input_dev); + if (rc < 0) + input_free_device(pcc->input_dev); + + return rc; +} + +/* kernel module interface */ + +static int acpi_pcc_hotkey_resume(struct acpi_device *device) +{ + struct pcc_acpi *pcc = acpi_driver_data(device); + acpi_status status = AE_OK; + + ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume"); + + if (device == NULL || pcc == NULL) + return -EINVAL; + + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n", + pcc->sticky_mode)); + + status = acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode); + + return status == AE_OK ? 0 : -EINVAL; +} + +static int acpi_pcc_hotkey_add(struct acpi_device *device) +{ + acpi_status status; + struct pcc_acpi *pcc; + int num_sifr, result; + + ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add"); + + if (!device) + return -EINVAL; + + num_sifr = acpi_pcc_get_sqty(device); + + if (num_sifr > 255) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large")); + return -ENODEV; + } + + pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL); + if (!pcc) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Couldn't allocate mem for pcc")); + return -ENOMEM; + } + + pcc->sinf = kzalloc(sizeof(u32) * (num_sifr + 1), GFP_KERNEL); + if (!pcc->sinf) { + result = -ENOMEM; + goto out_hotkey; + } + + pcc->device = device; + pcc->handle = device->handle; + pcc->num_sifr = num_sifr; + device->driver_data = pcc; + strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME); + strcpy(acpi_device_class(device), ACPI_PCC_CLASS); + + result = acpi_pcc_init_input(pcc); + if (result) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Error installing keyinput handler\n")); + goto out_sinf; + } + + /* initialize hotkey input device */ + status = acpi_install_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY, + acpi_pcc_hotkey_notify, pcc); + + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Error installing notify handler\n")); + result = -ENODEV; + goto out_input; + } + + /* initialize backlight */ + pcc->backlight = backlight_device_register("panasonic", NULL, pcc, + &pcc_backlight_ops); + if (IS_ERR(pcc->backlight)) + goto out_notify; + + if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Couldn't retrieve BIOS data\n")); + goto out_backlight; + } + + /* read the initial brightness setting from the hardware */ + pcc->backlight->props.max_brightness = + pcc->sinf[SINF_AC_MAX_BRIGHT]; + pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; + + /* read the initial sticky key mode from the hardware */ + pcc->sticky_mode = pcc->sinf[SINF_STICKY_KEY]; + + /* add sysfs attributes */ + result = sysfs_create_group(&device->dev.kobj, &pcc_attr_group); + if (result) + goto out_backlight; + + return 0; + +out_backlight: + backlight_device_unregister(pcc->backlight); +out_notify: + acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY, + acpi_pcc_hotkey_notify); +out_input: + input_unregister_device(pcc->input_dev); + /* no need to input_free_device() since core input API refcount and + * free()s the device */ +out_sinf: + kfree(pcc->sinf); +out_hotkey: + kfree(pcc); + + return result; +} + +static int __init acpi_pcc_init(void) +{ + int result = 0; + + ACPI_FUNCTION_TRACE("acpi_pcc_init"); + + if (acpi_disabled) + return -ENODEV; + + result = acpi_bus_register_driver(&acpi_pcc_driver); + if (result < 0) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Error registering hotkey driver\n")); + return -ENODEV; + } + + return 0; +} + +static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type) +{ + struct pcc_acpi *pcc = acpi_driver_data(device); + + ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove"); + + if (!device || !pcc) + return -EINVAL; + + sysfs_remove_group(&device->dev.kobj, &pcc_attr_group); + + backlight_device_unregister(pcc->backlight); + + acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY, + acpi_pcc_hotkey_notify); + + input_unregister_device(pcc->input_dev); + /* no need to input_free_device() since core input API refcount and + * free()s the device */ + + kfree(pcc->sinf); + kfree(pcc); + + return 0; +} + +static void __exit acpi_pcc_exit(void) +{ + ACPI_FUNCTION_TRACE("acpi_pcc_exit"); + + acpi_bus_unregister_driver(&acpi_pcc_driver); +} + +module_init(acpi_pcc_init); +module_exit(acpi_pcc_exit); diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c index daf585689ce..abdebe34738 100644 --- a/drivers/misc/phantom.c +++ b/drivers/misc/phantom.c @@ -399,9 +399,9 @@ static int __devinit phantom_probe(struct pci_dev *pdev, goto err_irq; } - if (IS_ERR(device_create_drvdata(phantom_class, &pdev->dev, - MKDEV(phantom_major, minor), - NULL, "phantom%u", minor))) + if (IS_ERR(device_create(phantom_class, &pdev->dev, + MKDEV(phantom_major, minor), NULL, + "phantom%u", minor))) dev_err(&pdev->dev, "can't create device\n"); pci_set_drvdata(pdev, pht); diff --git a/drivers/misc/sgi-gru/Makefile b/drivers/misc/sgi-gru/Makefile index d03597a521b..9e9170b3599 100644 --- a/drivers/misc/sgi-gru/Makefile +++ b/drivers/misc/sgi-gru/Makefile @@ -1,3 +1,7 @@ +ifdef CONFIG_SGI_GRU_DEBUG + EXTRA_CFLAGS += -DDEBUG +endif + obj-$(CONFIG_SGI_GRU) := gru.o gru-y := grufile.o grumain.o grufault.o grutlbpurge.o gruprocfs.o grukservices.o diff --git a/drivers/misc/sgi-gru/gru.h b/drivers/misc/sgi-gru/gru.h index 40df7cb3f0a..f93f03a9e6e 100644 --- a/drivers/misc/sgi-gru/gru.h +++ b/drivers/misc/sgi-gru/gru.h @@ -30,9 +30,9 @@ /* * Size used to map GRU GSeg */ -#if defined CONFIG_IA64 +#if defined(CONFIG_IA64) #define GRU_GSEG_PAGESIZE (256 * 1024UL) -#elif defined CONFIG_X86_64 +#elif defined(CONFIG_X86_64) #define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */ #else #error "Unsupported architecture" diff --git a/drivers/misc/sgi-gru/gru_instructions.h b/drivers/misc/sgi-gru/gru_instructions.h index 0dc36225c7c..48762e7b98b 100644 --- a/drivers/misc/sgi-gru/gru_instructions.h +++ b/drivers/misc/sgi-gru/gru_instructions.h @@ -26,7 +26,7 @@ * Architecture dependent functions */ -#if defined CONFIG_IA64 +#if defined(CONFIG_IA64) #include <linux/compiler.h> #include <asm/intrinsics.h> #define __flush_cache(p) ia64_fc(p) @@ -36,7 +36,7 @@ barrier(); \ *((volatile int *)(p)) = v; /* force st.rel */ \ } while (0) -#elif defined CONFIG_X86_64 +#elif defined(CONFIG_X86_64) #define __flush_cache(p) clflush(p) #define gru_ordered_store_int(p,v) \ do { \ @@ -299,6 +299,7 @@ static inline void gru_flush_cache(void *p) static inline void gru_start_instruction(struct gru_instruction *ins, int op32) { gru_ordered_store_int(ins, op32); + gru_flush_cache(ins); } @@ -604,8 +605,9 @@ static inline int gru_get_cb_substatus(void *cb) static inline int gru_check_status(void *cb) { struct gru_control_block_status *cbs = (void *)cb; - int ret = cbs->istatus; + int ret; + ret = cbs->istatus; if (ret == CBS_CALL_OS) ret = gru_check_status_proc(cb); return ret; @@ -617,7 +619,7 @@ static inline int gru_check_status(void *cb) static inline int gru_wait(void *cb) { struct gru_control_block_status *cbs = (void *)cb; - int ret = cbs->istatus;; + int ret = cbs->istatus; if (ret != CBS_IDLE) ret = gru_wait_proc(cb); diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 3d33015bbf3..8c389d606c3 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -214,12 +214,14 @@ static int non_atomic_pte_lookup(struct vm_area_struct *vma, } /* - * * atomic_pte_lookup * * Convert a user virtual address to a physical address * Only supports Intel large pages (2MB only) on x86_64. * ZZZ - hugepage support is incomplete + * + * NOTE: mmap_sem is already held on entry to this function. This + * guarantees existence of the page tables. */ static int atomic_pte_lookup(struct vm_area_struct *vma, unsigned long vaddr, int write, unsigned long *paddr, int *pageshift) @@ -229,9 +231,6 @@ static int atomic_pte_lookup(struct vm_area_struct *vma, unsigned long vaddr, pud_t *pudp; pte_t pte; - WARN_ON(irqs_disabled()); /* ZZZ debug */ - - local_irq_disable(); pgdp = pgd_offset(vma->vm_mm, vaddr); if (unlikely(pgd_none(*pgdp))) goto err; @@ -250,8 +249,6 @@ static int atomic_pte_lookup(struct vm_area_struct *vma, unsigned long vaddr, #endif pte = *pte_offset_kernel(pmdp, vaddr); - local_irq_enable(); - if (unlikely(!pte_present(pte) || (write && (!pte_write(pte) || !pte_dirty(pte))))) return 1; @@ -324,6 +321,7 @@ static int gru_try_dropin(struct gru_thread_state *gts, * Atomic lookup is faster & usually works even if called in non-atomic * context. */ + rmb(); /* Must/check ms_range_active before loading PTEs */ ret = atomic_pte_lookup(vma, vaddr, write, &paddr, &pageshift); if (ret) { if (!cb) @@ -543,6 +541,7 @@ int gru_get_exception_detail(unsigned long arg) ucbnum = get_cb_number((void *)excdet.cb); cbrnum = thread_cbr_number(gts, ucbnum); cbe = get_cbe_by_index(gts->ts_gru, cbrnum); + prefetchw(cbe); /* Harmless on hardware, required for emulator */ excdet.opc = cbe->opccpy; excdet.exopc = cbe->exopccpy; excdet.ecause = cbe->ecause; diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c index 23c91f5f6b6..5c027b6b4e5 100644 --- a/drivers/misc/sgi-gru/grufile.c +++ b/drivers/misc/sgi-gru/grufile.c @@ -113,7 +113,7 @@ static int gru_file_mmap(struct file *file, struct vm_area_struct *vma) return -EPERM; if (vma->vm_start & (GRU_GSEG_PAGESIZE - 1) || - vma->vm_end & (GRU_GSEG_PAGESIZE - 1)) + vma->vm_end & (GRU_GSEG_PAGESIZE - 1)) return -EINVAL; vma->vm_flags |= @@ -398,6 +398,12 @@ static int __init gru_init(void) irq = get_base_irq(); for (chip = 0; chip < GRU_CHIPLETS_PER_BLADE; chip++) { ret = request_irq(irq + chip, gru_intr, 0, id, NULL); + /* TODO: fix irq handling on x86. For now ignore failures because + * interrupts are not required & not yet fully supported */ + if (ret) { + printk("!!!WARNING: GRU ignoring request failure!!!\n"); + ret = 0; + } if (ret) { printk(KERN_ERR "%s: request_irq failed\n", GRU_DRIVER_ID_STR); @@ -445,6 +451,9 @@ static void __exit gru_exit(void) int order = get_order(sizeof(struct gru_state) * GRU_CHIPLETS_PER_BLADE); + if (!IS_UV()) + return; + for (i = 0; i < GRU_CHIPLETS_PER_BLADE; i++) free_irq(IRQ_GRU + i, NULL); diff --git a/drivers/misc/sgi-gru/gruhandles.h b/drivers/misc/sgi-gru/gruhandles.h index d16031d6267..b63018d60fe 100644 --- a/drivers/misc/sgi-gru/gruhandles.h +++ b/drivers/misc/sgi-gru/gruhandles.h @@ -91,12 +91,7 @@ #define GSEGPOFF(h) ((h) & (GRU_SIZE - 1)) /* Convert an arbitrary handle address to the beginning of the GRU segment */ -#ifndef __PLUGIN__ #define GRUBASE(h) ((void *)((unsigned long)(h) & ~(GRU_SIZE - 1))) -#else -extern void *gmu_grubase(void *h); -#define GRUBASE(h) gmu_grubase(h) -#endif /* General addressing macros. */ static inline void *get_gseg_base_address(void *base, int ctxnum) diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index dfd49af0fe1..880c55dfb66 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -122,6 +122,7 @@ int gru_get_cb_exception_detail(void *cb, struct gru_control_block_extended *cbe; cbe = get_cbe(GRUBASE(cb), get_cb_number(cb)); + prefetchw(cbe); /* Harmless on hardware, required for emulator */ excdet->opc = cbe->opccpy; excdet->exopc = cbe->exopccpy; excdet->ecause = cbe->ecause; @@ -466,7 +467,7 @@ int gru_send_message_gpa(unsigned long mq, void *mesg, unsigned int bytes) STAT(mesq_send); BUG_ON(bytes < sizeof(int) || bytes > 2 * GRU_CACHE_LINE_BYTES); - clines = (bytes + GRU_CACHE_LINE_BYTES - 1) / GRU_CACHE_LINE_BYTES; + clines = DIV_ROUND_UP(bytes, GRU_CACHE_LINE_BYTES); if (gru_get_cpu_resources(bytes, &cb, &dsr)) return MQE_BUG_NO_RESOURCES; memcpy(dsr, mesg, bytes); diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 0eeb8dddd2f..e11e1ac5090 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -432,29 +432,35 @@ static inline long gru_copy_handle(void *d, void *s) return GRU_HANDLE_BYTES; } -/* rewrite in assembly & use lots of prefetch */ -static void gru_load_context_data(void *save, void *grubase, int ctxnum, - unsigned long cbrmap, unsigned long dsrmap) +static void gru_prefetch_context(void *gseg, void *cb, void *cbe, unsigned long cbrmap, + unsigned long length) { - void *gseg, *cb, *cbe; - unsigned long length; int i, scr; - gseg = grubase + ctxnum * GRU_GSEG_STRIDE; - length = hweight64(dsrmap) * GRU_DSR_AU_BYTES; prefetch_data(gseg + GRU_DS_BASE, length / GRU_CACHE_LINE_BYTES, GRU_CACHE_LINE_BYTES); - cb = gseg + GRU_CB_BASE; - cbe = grubase + GRU_CBE_BASE; for_each_cbr_in_allocation_map(i, &cbrmap, scr) { prefetch_data(cb, 1, GRU_CACHE_LINE_BYTES); prefetch_data(cbe + i * GRU_HANDLE_STRIDE, 1, GRU_CACHE_LINE_BYTES); cb += GRU_HANDLE_STRIDE; } +} + +static void gru_load_context_data(void *save, void *grubase, int ctxnum, + unsigned long cbrmap, unsigned long dsrmap) +{ + void *gseg, *cb, *cbe; + unsigned long length; + int i, scr; + gseg = grubase + ctxnum * GRU_GSEG_STRIDE; cb = gseg + GRU_CB_BASE; + cbe = grubase + GRU_CBE_BASE; + length = hweight64(dsrmap) * GRU_DSR_AU_BYTES; + gru_prefetch_context(gseg, cb, cbe, cbrmap, length); + for_each_cbr_in_allocation_map(i, &cbrmap, scr) { save += gru_copy_handle(cb, save); save += gru_copy_handle(cbe + i * GRU_HANDLE_STRIDE, save); @@ -472,15 +478,16 @@ static void gru_unload_context_data(void *save, void *grubase, int ctxnum, int i, scr; gseg = grubase + ctxnum * GRU_GSEG_STRIDE; - cb = gseg + GRU_CB_BASE; cbe = grubase + GRU_CBE_BASE; + length = hweight64(dsrmap) * GRU_DSR_AU_BYTES; + gru_prefetch_context(gseg, cb, cbe, cbrmap, length); + for_each_cbr_in_allocation_map(i, &cbrmap, scr) { save += gru_copy_handle(save, cb); save += gru_copy_handle(save, cbe + i * GRU_HANDLE_STRIDE); cb += GRU_HANDLE_STRIDE; } - length = hweight64(dsrmap) * GRU_DSR_AU_BYTES; memcpy(save, gseg + GRU_DS_BASE, length); } diff --git a/drivers/misc/sgi-xp/Makefile b/drivers/misc/sgi-xp/Makefile index 35ce2857807..4fc40d8e1bc 100644 --- a/drivers/misc/sgi-xp/Makefile +++ b/drivers/misc/sgi-xp/Makefile @@ -5,14 +5,14 @@ obj-$(CONFIG_SGI_XP) += xp.o xp-y := xp_main.o xp-$(CONFIG_IA64_SGI_SN2) += xp_sn2.o xp_nofault.o -xp-$(CONFIG_IA64_GENERIC) += xp_sn2.o xp_nofault.o xp_uv.o +xp-$(CONFIG_IA64_GENERIC) += xp_sn2.o xp_nofault.o xp-$(CONFIG_IA64_SGI_UV) += xp_uv.o xp-$(CONFIG_X86_64) += xp_uv.o obj-$(CONFIG_SGI_XP) += xpc.o xpc-y := xpc_main.o xpc_channel.o xpc_partition.o xpc-$(CONFIG_IA64_SGI_SN2) += xpc_sn2.o -xpc-$(CONFIG_IA64_GENERIC) += xpc_sn2.o xpc_uv.o +xpc-$(CONFIG_IA64_GENERIC) += xpc_sn2.o xpc-$(CONFIG_IA64_SGI_UV) += xpc_uv.o xpc-$(CONFIG_X86_64) += xpc_uv.o diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index 859a5281c61..ed1722e5004 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -19,7 +19,11 @@ #include <asm/system.h> #include <asm/sn/arch.h> /* defines is_shub1() and is_shub2() */ #define is_shub() ia64_platform_is("sn2") +#ifdef CONFIG_IA64_SGI_UV #define is_uv() ia64_platform_is("uv") +#else +#define is_uv() 0 +#endif #endif #ifdef CONFIG_X86_64 #include <asm/genapic.h> diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index 46325fc8481..e8d5cfbd32c 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -1104,7 +1104,7 @@ xpc_do_exit(enum xp_retval reason) if (is_shub()) xpc_exit_sn2(); - else + else if (is_uv()) xpc_exit_uv(); } @@ -1363,7 +1363,7 @@ out_2: out_1: if (is_shub()) xpc_exit_sn2(); - else + else if (is_uv()) xpc_exit_uv(); return ret; } diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 60775be2282..7bcb81002dc 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -970,7 +970,7 @@ static int sony_nc_resume(struct acpi_device *device) /* set the last requested brightness level */ if (sony_backlight_device && !sony_backlight_update_status(sony_backlight_device)) - printk(KERN_WARNING DRV_PFX "unable to restore brightness level"); + printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); /* re-initialize models with specific requirements */ dmi_check_system(sony_nc_ids); @@ -1038,7 +1038,11 @@ static int sony_nc_add(struct acpi_device *device) goto outinput; } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) { + if (!acpi_video_backlight_support()) { + printk(KERN_INFO DRV_PFX "Sony: Brightness ignored, must be " + "controlled by ACPI video driver\n"); + } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", + &handle))) { sony_backlight_device = backlight_device_register("sony", NULL, NULL, &sony_backlight_ops); @@ -1920,7 +1924,6 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on) static int sonypi_misc_release(struct inode *inode, struct file *file) { - sonypi_misc_fasync(-1, file, 0); atomic_dec(&sonypi_compat.open_count); return 0; } @@ -2315,8 +2318,10 @@ end: */ static int sony_pic_disable(struct acpi_device *device) { - if (ACPI_FAILURE(acpi_evaluate_object(device->handle, - "_DIS", NULL, NULL))) + acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, + NULL); + + if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) return -ENXIO; dprintk("Device disabled\n"); diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 6b9300779a4..7a4a26b0edd 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -159,7 +159,6 @@ enum { #define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG #define TPACPI_DBG_ALL 0xffff -#define TPACPI_DBG_ALL 0xffff #define TPACPI_DBG_INIT 0x0001 #define TPACPI_DBG_EXIT 0x0002 #define dbg_printk(a_dbg_level, format, arg...) \ @@ -543,7 +542,7 @@ static int __init setup_acpi_notify(struct ibm_struct *ibm) return -ENODEV; } - acpi_driver_data(ibm->acpi->device) = ibm; + ibm->acpi->device->driver_data = ibm; sprintf(acpi_device_class(ibm->acpi->device), "%s/%s", TPACPI_ACPI_EVENT_PREFIX, ibm->name); @@ -582,7 +581,8 @@ static int __init register_tpacpi_subdriver(struct ibm_struct *ibm) ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL); if (!ibm->acpi->driver) { - printk(TPACPI_ERR "kzalloc(ibm->driver) failed\n"); + printk(TPACPI_ERR + "failed to allocate memory for ibm->acpi->driver\n"); return -ENOMEM; } @@ -838,6 +838,13 @@ static int parse_strtoul(const char *buf, return 0; } +static void tpacpi_disable_brightness_delay(void) +{ + if (acpi_evalf(hkey_handle, NULL, "PWMS", "qvd", 0)) + printk(TPACPI_NOTICE + "ACPI backlight control delay disabled\n"); +} + static int __init tpacpi_query_bcl_levels(acpi_handle handle) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -2139,6 +2146,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) if (!tp_features.hotkey) return 1; + tpacpi_disable_brightness_delay(); + hotkey_dev_attributes = create_attr_set(13, NULL); if (!hotkey_dev_attributes) return -ENOMEM; @@ -2512,6 +2521,8 @@ static void hotkey_suspend(pm_message_t state) static void hotkey_resume(void) { + tpacpi_disable_brightness_delay(); + if (hotkey_mask_get()) printk(TPACPI_ERR "error while trying to read hot key mask " @@ -4921,16 +4932,25 @@ static int __init brightness_init(struct ibm_init_struct *iibm) */ b = tpacpi_check_std_acpi_brightness_support(); if (b > 0) { - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { - printk(TPACPI_NOTICE - "Lenovo BIOS switched to ACPI backlight " - "control mode\n"); - } - if (brightness_enable > 1) { - printk(TPACPI_NOTICE - "standard ACPI backlight interface " - "available, not loading native one...\n"); - return 1; + + if (acpi_video_backlight_support()) { + if (brightness_enable > 1) { + printk(TPACPI_NOTICE + "Standard ACPI backlight interface " + "available, not loading native one.\n"); + return 1; + } else if (brightness_enable == 1) { + printk(TPACPI_NOTICE + "Backlight control force enabled, even if standard " + "ACPI backlight interface is available\n"); + } + } else { + if (brightness_enable > 1) { + printk(TPACPI_NOTICE + "Standard ACPI backlight interface not " + "available, thinkpad_acpi native " + "brightness control enabled\n"); + } } } @@ -5983,6 +6003,52 @@ static void fan_exit(void) flush_workqueue(tpacpi_wq); } +static void fan_suspend(pm_message_t state) +{ + if (!fan_control_allowed) + return; + + /* Store fan status in cache */ + fan_get_status_safe(NULL); + if (tp_features.fan_ctrl_status_undef) + fan_control_desired_level = TP_EC_FAN_AUTO; +} + +static void fan_resume(void) +{ + u8 saved_fan_level; + u8 current_level = 7; + bool do_set = false; + + /* DSDT *always* updates status on resume */ + tp_features.fan_ctrl_status_undef = 0; + + saved_fan_level = fan_control_desired_level; + if (!fan_control_allowed || + (fan_get_status_safe(¤t_level) < 0)) + return; + + switch (fan_control_access_mode) { + case TPACPI_FAN_WR_ACPI_SFAN: + do_set = (saved_fan_level > current_level); + break; + case TPACPI_FAN_WR_ACPI_FANS: + case TPACPI_FAN_WR_TPEC: + do_set = ((saved_fan_level & TP_EC_FAN_FULLSPEED) || + (saved_fan_level == 7 && + !(current_level & TP_EC_FAN_FULLSPEED))); + break; + default: + return; + } + if (do_set) { + printk(TPACPI_NOTICE + "restoring fan level to 0x%02x\n", + saved_fan_level); + fan_set_level_safe(saved_fan_level); + } +} + static int fan_read(char *p) { int len = 0; @@ -6174,6 +6240,8 @@ static struct ibm_struct fan_driver_data = { .read = fan_read, .write = fan_write, .exit = fan_exit, + .suspend = fan_suspend, + .resume = fan_resume, }; /**************************************************************************** |