/*-*-linux-c-*-*/
/*
- Copyright (C) 2007 Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
+ 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 which is copyright by its respective authors.
+ 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
* registers itself in the Linux backlight control subsystem and is
* available to userspace under /sys/class/backlight/fujitsu-laptop/.
*
- * This driver has been tested on a Fujitsu Lifebook S7020. It should
- * work on most P-series and S-series Lifebooks, but YMMV.
+ * 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.
+ *
+ * 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/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 "0.3"
+#define FUJITSU_DRIVER_VERSION "0.4.2"
#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 extras driver"
+#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 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 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;
- unsigned long fuj02b1_state;
+ 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 */
+};
-/* Hardware access */
+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)
{
struct acpi_object_list arg_list = { 1, &arg0 };
acpi_handle handle = NULL;
- if (level < 0 || level >= FUJITSU_LCD_N_LEVELS)
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n",
+ level);
+
+ if (level < 0 || level >= fujitsu->max_brightness)
return -EINVAL;
if (!fujitsu)
status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SBLL not present\n"));
+ 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;
}
unsigned long state = 0;
acpi_status status = AE_OK;
- // Get the Brightness
+ 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->fuj02b1_state = state;
+ 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 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 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)
static int bl_get_brightness(struct backlight_device *b)
{
- return get_lcd_level();
+ if (use_alt_lcd_levels)
+ return get_lcd_level_alt();
+ else
+ return get_lcd_level();
}
static int bl_update_status(struct backlight_device *b)
{
- return set_lcd_level(b->props.brightness);
+ 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 = {
.update_status = bl_update_status,
};
-/* Platform device */
+/* 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;
- ret = get_lcd_level();
+ if (use_alt_lcd_levels)
+ ret = get_lcd_level_alt();
+ else
+ ret = get_lcd_level();
if (ret < 0)
return ret;
int level, ret;
if (sscanf(buf, "%i", &level) != 1
- || (level < 0 || level >= FUJITSU_LCD_N_LEVELS))
+ || (level < 0 || level >= fujitsu->max_brightness))
return -EINVAL;
- ret = set_lcd_level(level);
+ 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 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
};
}
};
-/* ACPI device */
+static int dmi_check_cb_s6410(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;
+ }
+ return 0;
+}
+
+static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
+ {
+ .ident = "Fujitsu Siemens",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"),
+ },
+ .callback = dmi_check_cb_s6410},
+ {}
+};
+
+/* 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;
-
- ACPI_FUNCTION_TRACE("acpi_fujitsu_add");
+ struct input_dev *input;
+ int error;
if (!device)
return -EINVAL;
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
acpi_driver_data(device) = 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) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error reading power state\n"));
+ printk(KERN_ERR "Error reading power state\n");
goto end;
}
acpi_device_name(device), acpi_device_bid(device),
!device->power.state ? "on" : "off");
- end:
+ 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) */
+ 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;
+ 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_FUNCTION_TRACE("acpi_fujitsu_remove");
+ 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);
+ acpi_driver_data(device) = 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(KEY_SCREENLOCK, input->keybit);
+ set_bit(KEY_MEDIA, input->keybit);
+ set_bit(KEY_EMAIL, input->keybit);
+ set_bit(KEY_SUSPEND, 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 LOCK_KEY:
+ keycode = KEY_SCREENLOCK;
+ break;
+ case DISPLAY_KEY:
+ keycode = KEY_MEDIA;
+ break;
+ case ENERGY_KEY:
+ keycode = KEY_EMAIL;
+ break;
+ case REST_KEY:
+ keycode = KEY_SUSPEND;
+ 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},
},
};
-/* Initialization */
+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;
+ int ret, result, max_brightness;
if (acpi_disabled)
return -ENODEV;
goto fail_acpi;
}
- /* 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);
-
- fujitsu->bl_device->props.max_brightness = FUJITSU_LCD_N_LEVELS - 1;
- ret = platform_driver_register(&fujitsupf_driver);
- if (ret)
- goto fail_backlight;
-
/* Register platform stuff */
fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1);
if (ret)
goto fail_platform_device2;
+ /* 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;
+
+ 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_platform_device2:
+fail_hotkey1:
- platform_device_del(fujitsu->pf_device);
-
- fail_platform_device1:
-
- platform_device_put(fujitsu->pf_device);
+ kfree(fujitsu_hotkey);
- fail_platform_driver:
+fail_hotkey:
platform_driver_unregister(&fujitsupf_driver);
- fail_backlight:
+fail_backlight:
backlight_device_unregister(fujitsu->bl_device);
- fail_acpi:
+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);
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_AUTHOR("Jonathan Woithe");
+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);
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff