diff options
Diffstat (limited to 'drivers/misc/fujitsu-laptop.c')
| -rw-r--r-- | drivers/misc/fujitsu-laptop.c | 1126 |
1 files changed, 0 insertions, 1126 deletions
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c deleted file mode 100644 index a7dd3e9fb79..00000000000 --- a/drivers/misc/fujitsu-laptop.c +++ /dev/null @@ -1,1126 +0,0 @@ -/*-*-linux-c-*-*/ - -/* - Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@physics.adelaide.edu.au> - Copyright (C) 2008 Peter Gruber <nokos@gmx.net> - Based on earlier work: - Copyright (C) 2003 Shane Spencer <shane@bogomip.com> - Adrian Yee <brewt-fujitsu@brewt.org> - - Templated from msi-laptop.c and thinkpad_acpi.c which is copyright - by its respective authors. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. - */ - -/* - * fujitsu-laptop.c - Fujitsu laptop support, providing access to additional - * features made available on a range of Fujitsu laptops including the - * P2xxx/P5xxx/S6xxx/S7xxx series. - * - * This driver exports a few files in /sys/devices/platform/fujitsu-laptop/; - * others may be added at a later date. - * - * lcd_level - Screen brightness: contains a single integer in the - * range 0..7. (rw) - * - * In addition to these platform device attributes the driver - * registers itself in the Linux backlight control subsystem and is - * available to userspace under /sys/class/backlight/fujitsu-laptop/. - * - * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are - * also supported by this driver. - * - * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and - * P8010. It should work on most P-series and S-series Lifebooks, but - * YMMV. - * - * The module parameter use_alt_lcd_levels switches between different ACPI - * brightness controls which are used by different Fujitsu laptops. In most - * cases the correct method is automatically detected. "use_alt_lcd_levels=1" - * is applicable for a Fujitsu Lifebook S6410 if autodetection fails. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/dmi.h> -#include <linux/backlight.h> -#include <linux/input.h> -#include <linux/kfifo.h> -#include <linux/video_output.h> -#include <linux/platform_device.h> - -#define FUJITSU_DRIVER_VERSION "0.4.3" - -#define FUJITSU_LCD_N_LEVELS 8 - -#define ACPI_FUJITSU_CLASS "fujitsu" -#define ACPI_FUJITSU_HID "FUJ02B1" -#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" -#define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1" -#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3" -#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" -#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3" - -#define ACPI_FUJITSU_NOTIFY_CODE1 0x80 - -#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86 -#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87 - -/* Hotkey details */ -#define KEY1_CODE 0x410 /* codes for the keys in the GIRB register */ -#define KEY2_CODE 0x411 -#define KEY3_CODE 0x412 -#define KEY4_CODE 0x413 - -#define MAX_HOTKEY_RINGBUFFER_SIZE 100 -#define RINGBUFFERSIZE 40 - -/* Debugging */ -#define FUJLAPTOP_LOG ACPI_FUJITSU_HID ": " -#define FUJLAPTOP_ERR KERN_ERR FUJLAPTOP_LOG -#define FUJLAPTOP_NOTICE KERN_NOTICE FUJLAPTOP_LOG -#define FUJLAPTOP_INFO KERN_INFO FUJLAPTOP_LOG -#define FUJLAPTOP_DEBUG KERN_DEBUG FUJLAPTOP_LOG - -#define FUJLAPTOP_DBG_ALL 0xffff -#define FUJLAPTOP_DBG_ERROR 0x0001 -#define FUJLAPTOP_DBG_WARN 0x0002 -#define FUJLAPTOP_DBG_INFO 0x0004 -#define FUJLAPTOP_DBG_TRACE 0x0008 - -#define dbg_printk(a_dbg_level, format, arg...) \ - do { if (dbg_level & a_dbg_level) \ - printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \ - } while (0) -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -#define vdbg_printk(a_dbg_level, format, arg...) \ - dbg_printk(a_dbg_level, format, ## arg) -#else -#define vdbg_printk(a_dbg_level, format, arg...) -#endif - -/* Device controlling the backlight and associated keys */ -struct fujitsu_t { - acpi_handle acpi_handle; - struct acpi_device *dev; - struct input_dev *input; - char phys[32]; - struct backlight_device *bl_device; - struct platform_device *pf_device; - int keycode1, keycode2, keycode3, keycode4; - - unsigned int max_brightness; - unsigned int brightness_changed; - unsigned int brightness_level; -}; - -static struct fujitsu_t *fujitsu; -static int use_alt_lcd_levels = -1; -static int disable_brightness_keys = -1; -static int disable_brightness_adjust = -1; - -/* Device used to access other hotkeys on the laptop */ -struct fujitsu_hotkey_t { - acpi_handle acpi_handle; - struct acpi_device *dev; - struct input_dev *input; - char phys[32]; - struct platform_device *pf_device; - struct kfifo *fifo; - spinlock_t fifo_lock; - - unsigned int irb; /* info about the pressed buttons */ -}; - -static struct fujitsu_hotkey_t *fujitsu_hotkey; - -static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, - void *data); - -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -static u32 dbg_level = 0x03; -#endif - -static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data); - -/* Hardware access for LCD brightness control */ - -static int set_lcd_level(int level) -{ - acpi_status status = AE_OK; - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg0 }; - acpi_handle handle = NULL; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", - level); - - if (level < 0 || level >= fujitsu->max_brightness) - return -EINVAL; - - if (!fujitsu) - return -EINVAL; - - status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle); - if (ACPI_FAILURE(status)) { - vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n"); - return -ENODEV; - } - - arg0.integer.value = level; - - status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return 0; -} - -static int set_lcd_level_alt(int level) -{ - acpi_status status = AE_OK; - union acpi_object arg0 = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg0 }; - acpi_handle handle = NULL; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", - level); - - if (level < 0 || level >= fujitsu->max_brightness) - return -EINVAL; - - if (!fujitsu) - return -EINVAL; - - status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle); - if (ACPI_FAILURE(status)) { - vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n"); - return -ENODEV; - } - - arg0.integer.value = level; - - status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return 0; -} - -static int get_lcd_level(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); - - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state); - if (status < 0) - return status; - - fujitsu->brightness_level = state & 0x0fffffff; - - if (state & 0x80000000) - fujitsu->brightness_changed = 1; - else - fujitsu->brightness_changed = 0; - - return fujitsu->brightness_level; -} - -static int get_max_brightness(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); - - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state); - if (status < 0) - return status; - - fujitsu->max_brightness = state; - - return fujitsu->max_brightness; -} - -static int get_lcd_level_alt(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n"); - - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "GBLS", NULL, &state); - if (status < 0) - return status; - - fujitsu->brightness_level = state & 0x0fffffff; - - if (state & 0x80000000) - fujitsu->brightness_changed = 1; - else - fujitsu->brightness_changed = 0; - - return fujitsu->brightness_level; -} - -/* Backlight device stuff */ - -static int bl_get_brightness(struct backlight_device *b) -{ - if (use_alt_lcd_levels) - return get_lcd_level_alt(); - else - return get_lcd_level(); -} - -static int bl_update_status(struct backlight_device *b) -{ - if (use_alt_lcd_levels) - return set_lcd_level_alt(b->props.brightness); - else - return set_lcd_level(b->props.brightness); -} - -static struct backlight_ops fujitsubl_ops = { - .get_brightness = bl_get_brightness, - .update_status = bl_update_status, -}; - -/* Platform LCD brightness device */ - -static ssize_t -show_max_brightness(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - ret = get_max_brightness(); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t -show_brightness_changed(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - ret = fujitsu->brightness_changed; - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t show_lcd_level(struct device *dev, - struct device_attribute *attr, char *buf) -{ - - int ret; - - if (use_alt_lcd_levels) - ret = get_lcd_level_alt(); - else - ret = get_lcd_level(); - if (ret < 0) - return ret; - - return sprintf(buf, "%i\n", ret); -} - -static ssize_t store_lcd_level(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - - int level, ret; - - if (sscanf(buf, "%i", &level) != 1 - || (level < 0 || level >= fujitsu->max_brightness)) - return -EINVAL; - - if (use_alt_lcd_levels) - ret = set_lcd_level_alt(level); - else - ret = set_lcd_level(level); - if (ret < 0) - return ret; - - if (use_alt_lcd_levels) - ret = get_lcd_level_alt(); - else - ret = get_lcd_level(); - if (ret < 0) - return ret; - - return count; -} - -/* Hardware access for hotkey device */ - -static int get_irb(void) -{ - unsigned long long state = 0; - acpi_status status = AE_OK; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n"); - - status = - acpi_evaluate_integer(fujitsu_hotkey->acpi_handle, "GIRB", NULL, - &state); - if (status < 0) - return status; - - fujitsu_hotkey->irb = state; - - return fujitsu_hotkey->irb; -} - -static ssize_t -ignore_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - return count; -} - -static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store); -static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed, - ignore_store); -static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level); - -static struct attribute *fujitsupf_attributes[] = { - &dev_attr_brightness_changed.attr, - &dev_attr_max_brightness.attr, - &dev_attr_lcd_level.attr, - NULL -}; - -static struct attribute_group fujitsupf_attribute_group = { - .attrs = fujitsupf_attributes -}; - -static struct platform_driver fujitsupf_driver = { - .driver = { - .name = "fujitsu-laptop", - .owner = THIS_MODULE, - } -}; - -static void dmi_check_cb_common(const struct dmi_system_id *id) -{ - acpi_handle handle; - int have_blnf; - printk(KERN_INFO "fujitsu-laptop: Identified laptop model '%s'.\n", - id->ident); - have_blnf = ACPI_SUCCESS - (acpi_get_handle(NULL, "\\_SB.PCI0.GFX0.LCD.BLNF", &handle)); - if (use_alt_lcd_levels == -1) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detecting usealt\n"); - use_alt_lcd_levels = 1; - } - if (disable_brightness_keys == -1) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "auto-detecting disable_keys\n"); - disable_brightness_keys = have_blnf ? 1 : 0; - } - if (disable_brightness_adjust == -1) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "auto-detecting disable_adjust\n"); - disable_brightness_adjust = have_blnf ? 0 : 1; - } -} - -static int dmi_check_cb_s6410(const struct dmi_system_id *id) -{ - dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ - fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ - return 0; -} - -static int dmi_check_cb_s6420(const struct dmi_system_id *id) -{ - dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ - fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ - return 0; -} - -static int dmi_check_cb_p8010(const struct dmi_system_id *id) -{ - dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_HELP; /* "Support" */ - fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ - fujitsu->keycode4 = KEY_WWW; /* "Internet" */ - return 0; -} - -static struct dmi_system_id fujitsu_dmi_table[] = { - { - .ident = "Fujitsu Siemens S6410", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"), - }, - .callback = dmi_check_cb_s6410}, - { - .ident = "Fujitsu Siemens S6420", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), - }, - .callback = dmi_check_cb_s6420}, - { - .ident = "Fujitsu LifeBook P8010", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), - DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"), - }, - .callback = dmi_check_cb_p8010}, - {} -}; - -/* ACPI device for LCD brightness control */ - -static int acpi_fujitsu_add(struct acpi_device *device) -{ - acpi_status status; - acpi_handle handle; - int result = 0; - int state = 0; - struct input_dev *input; - int error; - - if (!device) - return -EINVAL; - - fujitsu->acpi_handle = device->handle; - sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME); - sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - device->driver_data = fujitsu; - - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_notify, fujitsu); - - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "Error installing notify handler\n"); - error = -ENODEV; - goto err_stop; - } - - fujitsu->input = input = input_allocate_device(); - if (!input) { - error = -ENOMEM; - goto err_uninstall_notify; - } - - snprintf(fujitsu->phys, sizeof(fujitsu->phys), - "%s/video/input0", acpi_device_hid(device)); - - input->name = acpi_device_name(device); - input->phys = fujitsu->phys; - input->id.bustype = BUS_HOST; - input->id.product = 0x06; - input->dev.parent = &device->dev; - input->evbit[0] = BIT(EV_KEY); - set_bit(KEY_BRIGHTNESSUP, input->keybit); - set_bit(KEY_BRIGHTNESSDOWN, input->keybit); - set_bit(KEY_UNKNOWN, input->keybit); - - error = input_register_device(input); - if (error) - goto err_free_input_dev; - - result = acpi_bus_get_power(fujitsu->acpi_handle, &state); - if (result) { - printk(KERN_ERR "Error reading power state\n"); - goto end; - } - - printk(KERN_INFO PREFIX "%s [%s] (%s)\n", - acpi_device_name(device), acpi_device_bid(device), - !device->power.state ? "on" : "off"); - - fujitsu->dev = device; - - if (ACPI_SUCCESS - (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) { - vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); - if (ACPI_FAILURE - (acpi_evaluate_object - (device->handle, METHOD_NAME__INI, NULL, NULL))) - printk(KERN_ERR "_INI Method failed\n"); - } - - /* do config (detect defaults) */ - use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; - disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0; - disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; - vdbg_printk(FUJLAPTOP_DBG_INFO, - "config: [alt interface: %d], [key disable: %d], [adjust disable: %d]\n", - use_alt_lcd_levels, disable_brightness_keys, - disable_brightness_adjust); - - if (get_max_brightness() <= 0) - fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS; - if (use_alt_lcd_levels) - get_lcd_level_alt(); - else - get_lcd_level(); - - return result; - -end: -err_free_input_dev: - input_free_device(input); -err_uninstall_notify: - acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_fujitsu_notify); -err_stop: - - return result; -} - -static int acpi_fujitsu_remove(struct acpi_device *device, int type) -{ - acpi_status status; - struct fujitsu_t *fujitsu = NULL; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - fujitsu = acpi_driver_data(device); - - status = acpi_remove_notify_handler(fujitsu->acpi_handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_notify); - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - fujitsu->acpi_handle = NULL; - - return 0; -} - -/* Brightness notify */ - -static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data) -{ - struct input_dev *input; - int keycode; - int oldb, newb; - - input = fujitsu->input; - - switch (event) { - case ACPI_FUJITSU_NOTIFY_CODE1: - keycode = 0; - oldb = fujitsu->brightness_level; - get_lcd_level(); /* the alt version always yields changed */ - newb = fujitsu->brightness_level; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "brightness button event [%i -> %i (%i)]\n", - oldb, newb, fujitsu->brightness_changed); - - if (oldb == newb && fujitsu->brightness_changed) { - keycode = 0; - if (disable_brightness_keys != 1) { - if (oldb == 0) { - acpi_bus_generate_proc_event - (fujitsu->dev, - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, - 0); - keycode = KEY_BRIGHTNESSDOWN; - } else if (oldb == - (fujitsu->max_brightness) - 1) { - acpi_bus_generate_proc_event - (fujitsu->dev, - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, - 0); - keycode = KEY_BRIGHTNESSUP; - } - } - } else if (oldb < newb) { - if (disable_brightness_adjust != 1) { - if (use_alt_lcd_levels) - set_lcd_level_alt(newb); - else - set_lcd_level(newb); - } - if (disable_brightness_keys != 1) { - acpi_bus_generate_proc_event(fujitsu->dev, - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0); - keycode = KEY_BRIGHTNESSUP; - } - } else if (oldb > newb) { - if (disable_brightness_adjust != 1) { - if (use_alt_lcd_levels) - set_lcd_level_alt(newb); - else - set_lcd_level(newb); - } - if (disable_brightness_keys != 1) { - acpi_bus_generate_proc_event(fujitsu->dev, - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0); - keycode = KEY_BRIGHTNESSDOWN; - } - } else { - keycode = KEY_UNKNOWN; - } - break; - default: - keycode = KEY_UNKNOWN; - vdbg_printk(FUJLAPTOP_DBG_WARN, - "unsupported event [0x%x]\n", event); - break; - } - - if (keycode != 0) { - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); - } - - return; -} - -/* ACPI device for hotkey handling */ - -static int acpi_fujitsu_hotkey_add(struct acpi_device *device) -{ - acpi_status status; - acpi_handle handle; - int result = 0; - int state = 0; - struct input_dev *input; - int error; - int i; - - if (!device) - return -EINVAL; - - fujitsu_hotkey->acpi_handle = device->handle; - sprintf(acpi_device_name(device), "%s", - ACPI_FUJITSU_HOTKEY_DEVICE_NAME); - sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - device->driver_data = fujitsu_hotkey; - - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_hotkey_notify, - fujitsu_hotkey); - - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "Error installing notify handler\n"); - error = -ENODEV; - goto err_stop; - } - - /* kfifo */ - spin_lock_init(&fujitsu_hotkey->fifo_lock); - fujitsu_hotkey->fifo = - kfifo_alloc(RINGBUFFERSIZE * sizeof(int), GFP_KERNEL, - &fujitsu_hotkey->fifo_lock); - if (IS_ERR(fujitsu_hotkey->fifo)) { - printk(KERN_ERR "kfifo_alloc failed\n"); - error = PTR_ERR(fujitsu_hotkey->fifo); - goto err_stop; - } - - fujitsu_hotkey->input = input = input_allocate_device(); - if (!input) { - error = -ENOMEM; - goto err_uninstall_notify; - } - - snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys), - "%s/video/input0", acpi_device_hid(device)); - - input->name = acpi_device_name(device); - input->phys = fujitsu_hotkey->phys; - input->id.bustype = BUS_HOST; - input->id.product = 0x06; - input->dev.parent = &device->dev; - input->evbit[0] = BIT(EV_KEY); - set_bit(fujitsu->keycode1, input->keybit); - set_bit(fujitsu->keycode2, input->keybit); - set_bit(fujitsu->keycode3, input->keybit); - set_bit(fujitsu->keycode4, input->keybit); - set_bit(KEY_UNKNOWN, input->keybit); - - error = input_register_device(input); - if (error) - goto err_free_input_dev; - - result = acpi_bus_get_power(fujitsu_hotkey->acpi_handle, &state); - if (result) { - printk(KERN_ERR "Error reading power state\n"); - goto end; - } - - printk(KERN_INFO PREFIX "%s [%s] (%s)\n", - acpi_device_name(device), acpi_device_bid(device), - !device->power.state ? "on" : "off"); - - fujitsu_hotkey->dev = device; - - if (ACPI_SUCCESS - (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) { - vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); - if (ACPI_FAILURE - (acpi_evaluate_object - (device->handle, METHOD_NAME__INI, NULL, NULL))) - printk(KERN_ERR "_INI Method failed\n"); - } - - i = 0; /* Discard hotkey ringbuffer */ - while (get_irb() != 0 && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) ; - vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i); - - return result; - -end: -err_free_input_dev: - input_free_device(input); -err_uninstall_notify: - acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_fujitsu_hotkey_notify); - kfifo_free(fujitsu_hotkey->fifo); -err_stop: - - return result; -} - -static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type) -{ - acpi_status status; - struct fujitsu_hotkey_t *fujitsu_hotkey = NULL; - - if (!device || !acpi_driver_data(device)) - return -EINVAL; - - fujitsu_hotkey = acpi_driver_data(device); - - status = acpi_remove_notify_handler(fujitsu_hotkey->acpi_handle, - ACPI_DEVICE_NOTIFY, - acpi_fujitsu_hotkey_notify); - - fujitsu_hotkey->acpi_handle = NULL; - - kfifo_free(fujitsu_hotkey->fifo); - - return 0; -} - -static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, - void *data) -{ - struct input_dev *input; - int keycode, keycode_r; - unsigned int irb = 1; - int i, status; - - input = fujitsu_hotkey->input; - - vdbg_printk(FUJLAPTOP_DBG_TRACE, "Hotkey event\n"); - - switch (event) { - case ACPI_FUJITSU_NOTIFY_CODE1: - i = 0; - while ((irb = get_irb()) != 0 - && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, "GIRB result [%x]\n", - irb); - - switch (irb & 0x4ff) { - case KEY1_CODE: - keycode = fujitsu->keycode1; - break; - case KEY2_CODE: - keycode = fujitsu->keycode2; - break; - case KEY3_CODE: - keycode = fujitsu->keycode3; - break; - case KEY4_CODE: - keycode = fujitsu->keycode4; - break; - case 0: - keycode = 0; - break; - default: - vdbg_printk(FUJLAPTOP_DBG_WARN, - "Unknown GIRB result [%x]\n", irb); - keycode = -1; - break; - } - if (keycode > 0) { - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Push keycode into ringbuffer [%d]\n", - keycode); - status = kfifo_put(fujitsu_hotkey->fifo, - (unsigned char *)&keycode, - sizeof(keycode)); - if (status != sizeof(keycode)) { - vdbg_printk(FUJLAPTOP_DBG_WARN, - "Could not push keycode [0x%x]\n", - keycode); - } else { - input_report_key(input, keycode, 1); - input_sync(input); - } - } else if (keycode == 0) { - while ((status = - kfifo_get - (fujitsu_hotkey->fifo, (unsigned char *) - &keycode_r, - sizeof - (keycode_r))) == sizeof(keycode_r)) { - input_report_key(input, keycode_r, 0); - input_sync(input); - vdbg_printk(FUJLAPTOP_DBG_TRACE, - "Pop keycode from ringbuffer [%d]\n", - keycode_r); - } - } - } - - break; - default: - keycode = KEY_UNKNOWN; - vdbg_printk(FUJLAPTOP_DBG_WARN, - "Unsupported event [0x%x]\n", event); - input_report_key(input, keycode, 1); - input_sync(input); - input_report_key(input, keycode, 0); - input_sync(input); - break; - } - - return; -} - -/* Initialization */ - -static const struct acpi_device_id fujitsu_device_ids[] = { - {ACPI_FUJITSU_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver acpi_fujitsu_driver = { - .name = ACPI_FUJITSU_DRIVER_NAME, - .class = ACPI_FUJITSU_CLASS, - .ids = fujitsu_device_ids, - .ops = { - .add = acpi_fujitsu_add, - .remove = acpi_fujitsu_remove, - }, -}; - -static const struct acpi_device_id fujitsu_hotkey_device_ids[] = { - {ACPI_FUJITSU_HOTKEY_HID, 0}, - {"", 0}, -}; - -static struct acpi_driver acpi_fujitsu_hotkey_driver = { - .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME, - .class = ACPI_FUJITSU_CLASS, - .ids = fujitsu_hotkey_device_ids, - .ops = { - .add = acpi_fujitsu_hotkey_add, - .remove = acpi_fujitsu_hotkey_remove, - }, -}; - -static int __init fujitsu_init(void) -{ - int ret, result, max_brightness; - - if (acpi_disabled) - return -ENODEV; - - fujitsu = kmalloc(sizeof(struct fujitsu_t), GFP_KERNEL); - if (!fujitsu) - return -ENOMEM; - memset(fujitsu, 0, sizeof(struct fujitsu_t)); - fujitsu->keycode1 = KEY_PROG1; - fujitsu->keycode2 = KEY_PROG2; - fujitsu->keycode3 = KEY_PROG3; - fujitsu->keycode4 = KEY_PROG4; - dmi_check_system(fujitsu_dmi_table); - - result = acpi_bus_register_driver(&acpi_fujitsu_driver); - if (result < 0) { - ret = -ENODEV; - goto fail_acpi; - } - - /* Register platform stuff */ - - fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1); - if (!fujitsu->pf_device) { - ret = -ENOMEM; - goto fail_platform_driver; - } - - ret = platform_device_add(fujitsu->pf_device); - if (ret) - goto fail_platform_device1; - - ret = - sysfs_create_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); - if (ret) - goto fail_platform_device2; - - /* Register backlight stuff */ - - if (!acpi_video_backlight_support()) { - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); - if (IS_ERR(fujitsu->bl_device)) - return PTR_ERR(fujitsu->bl_device); - max_brightness = fujitsu->max_brightness; - fujitsu->bl_device->props.max_brightness = max_brightness - 1; - fujitsu->bl_device->props.brightness = fujitsu->brightness_level; - } - - ret = platform_driver_register(&fujitsupf_driver); - if (ret) - goto fail_backlight; - - /* Register hotkey driver */ - - fujitsu_hotkey = kmalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL); - if (!fujitsu_hotkey) { - ret = -ENOMEM; - goto fail_hotkey; - } - memset(fujitsu_hotkey, 0, sizeof(struct fujitsu_hotkey_t)); - - result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver); - if (result < 0) { - ret = -ENODEV; - goto fail_hotkey1; - } - - printk(KERN_INFO "fujitsu-laptop: driver " FUJITSU_DRIVER_VERSION - " successfully loaded.\n"); - - return 0; - -fail_hotkey1: - - kfree(fujitsu_hotkey); - -fail_hotkey: - - platform_driver_unregister(&fujitsupf_driver); - -fail_backlight: - - if (fujitsu->bl_device) - backlight_device_unregister(fujitsu->bl_device); - -fail_platform_device2: - - platform_device_del(fujitsu->pf_device); - -fail_platform_device1: - - platform_device_put(fujitsu->pf_device); - -fail_platform_driver: - - acpi_bus_unregister_driver(&acpi_fujitsu_driver); - -fail_acpi: - - kfree(fujitsu); - - return ret; -} - -static void __exit fujitsu_cleanup(void) -{ - sysfs_remove_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); - platform_device_unregister(fujitsu->pf_device); - platform_driver_unregister(&fujitsupf_driver); - if (fujitsu->bl_device) - backlight_device_unregister(fujitsu->bl_device); - - acpi_bus_unregister_driver(&acpi_fujitsu_driver); - - kfree(fujitsu); - - acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver); - - kfree(fujitsu_hotkey); - - printk(KERN_INFO "fujitsu-laptop: driver unloaded.\n"); -} - -module_init(fujitsu_init); -module_exit(fujitsu_cleanup); - -module_param(use_alt_lcd_levels, uint, 0644); -MODULE_PARM_DESC(use_alt_lcd_levels, - "Use alternative interface for lcd_levels (needed for Lifebook s6410)."); -module_param(disable_brightness_keys, uint, 0644); -MODULE_PARM_DESC(disable_brightness_keys, - "Disable brightness keys (eg. if they are already handled by the generic ACPI_VIDEO device)."); -module_param(disable_brightness_adjust, uint, 0644); -MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment ."); -#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG -module_param_named(debug, dbg_level, uint, 0644); -MODULE_PARM_DESC(debug, "Sets debug level bit-mask"); -#endif - -MODULE_AUTHOR("Jonathan Woithe, Peter Gruber"); -MODULE_DESCRIPTION("Fujitsu laptop extras support"); -MODULE_VERSION(FUJITSU_DRIVER_VERSION); -MODULE_LICENSE("GPL"); - -MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*"); -MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*"); - -static struct pnp_device_id pnp_ids[] = { - {.id = "FUJ02bf"}, - {.id = "FUJ02B1"}, - {.id = "FUJ02E3"}, - {.id = ""} -}; - -MODULE_DEVICE_TABLE(pnp, pnp_ids); |