| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michał Kępień | 3205 | 69.86% | 61 | 64.89% |
| Jonathan Woithe | 746 | 16.26% | 5 | 5.32% |
| Tony Vroon | 278 | 6.06% | 2 | 2.13% |
| Alan Jenkins | 76 | 1.66% | 6 | 6.38% |
| Matej Groma | 55 | 1.20% | 1 | 1.06% |
| Jan-Marek Glogowski | 40 | 0.87% | 1 | 1.06% |
| Rui Zhang | 38 | 0.83% | 2 | 2.13% |
| Gustavo A. R. Silva | 36 | 0.78% | 1 | 1.06% |
| Darren Hart | 33 | 0.72% | 1 | 1.06% |
| Len Brown | 18 | 0.39% | 1 | 1.06% |
| Björn Helgaas | 15 | 0.33% | 2 | 2.13% |
| Joe Perches | 14 | 0.31% | 1 | 1.06% |
| Stefani Seibold | 6 | 0.13% | 1 | 1.06% |
| Ville Syrjälä | 6 | 0.13% | 1 | 1.06% |
| Bartlomiej Zolnierkiewicz | 5 | 0.11% | 1 | 1.06% |
| Pavel Machek | 4 | 0.09% | 1 | 1.06% |
| Hans de Goede | 3 | 0.07% | 1 | 1.06% |
| Michael Karcher | 3 | 0.07% | 1 | 1.06% |
| Thomas Gleixner | 2 | 0.04% | 1 | 1.06% |
| Tejun Heo | 2 | 0.04% | 1 | 1.06% |
| Stephen Gildea | 2 | 0.04% | 1 | 1.06% |
| Arvind Yadav | 1 | 0.02% | 1 | 1.06% |
| Total | 4588 | 94 |
// SPDX-License-Identifier: GPL-2.0-or-later /*-*-linux-c-*-*/ /* Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@just42.net> Copyright (C) 2008 Peter Gruber <nokos@gmx.net> Copyright (C) 2008 Tony Vroon <tony@linx.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. */ /* * 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 implements a vendor-specific backlight control interface for * Fujitsu laptops and provides support for hotkeys present on certain Fujitsu * laptops. * * 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. * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/acpi.h> #include <linux/bitops.h> #include <linux/dmi.h> #include <linux/backlight.h> #include <linux/fb.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> #include <linux/kfifo.h> #include <linux/leds.h> #include <linux/platform_device.h> #include <acpi/video.h> #define FUJITSU_DRIVER_VERSION "0.6.0" #define FUJITSU_LCD_N_LEVELS 8 #define ACPI_FUJITSU_CLASS "fujitsu" #define ACPI_FUJITSU_BL_HID "FUJ02B1" #define ACPI_FUJITSU_BL_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" #define ACPI_FUJITSU_BL_DEVICE_NAME "Fujitsu FUJ02B1" #define ACPI_FUJITSU_LAPTOP_HID "FUJ02E3" #define ACPI_FUJITSU_LAPTOP_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" #define ACPI_FUJITSU_LAPTOP_DEVICE_NAME "Fujitsu FUJ02E3" #define ACPI_FUJITSU_NOTIFY_CODE 0x80 /* FUNC interface - command values */ #define FUNC_FLAGS BIT(12) #define FUNC_LEDS (BIT(12) | BIT(0)) #define FUNC_BUTTONS (BIT(12) | BIT(1)) #define FUNC_BACKLIGHT (BIT(12) | BIT(2)) /* FUNC interface - responses */ #define UNSUPPORTED_CMD 0x80000000 /* FUNC interface - status flags */ #define FLAG_RFKILL BIT(5) #define FLAG_LID BIT(8) #define FLAG_DOCK BIT(9) #define FLAG_TOUCHPAD_TOGGLE BIT(26) #define FLAG_MICMUTE BIT(29) #define FLAG_SOFTKEYS (FLAG_RFKILL | FLAG_TOUCHPAD_TOGGLE | FLAG_MICMUTE) /* FUNC interface - LED control */ #define FUNC_LED_OFF BIT(0) #define FUNC_LED_ON (BIT(0) | BIT(16) | BIT(17)) #define LOGOLAMP_POWERON BIT(13) #define LOGOLAMP_ALWAYS BIT(14) #define KEYBOARD_LAMPS BIT(8) #define RADIO_LED_ON BIT(5) #define ECO_LED BIT(16) #define ECO_LED_ON BIT(19) /* FUNC interface - backlight power control */ #define BACKLIGHT_PARAM_POWER BIT(2) #define BACKLIGHT_OFF (BIT(0) | BIT(1)) #define BACKLIGHT_ON 0 /* Scancodes read from the GIRB register */ #define KEY1_CODE 0x410 #define KEY2_CODE 0x411 #define KEY3_CODE 0x412 #define KEY4_CODE 0x413 #define KEY5_CODE 0x420 /* Hotkey ringbuffer limits */ #define MAX_HOTKEY_RINGBUFFER_SIZE 100 #define RINGBUFFERSIZE 40 /* Module parameters */ static int use_alt_lcd_levels = -1; static bool disable_brightness_adjust; /* Device controlling the backlight and associated keys */ struct fujitsu_bl { struct input_dev *input; char phys[32]; struct backlight_device *bl_device; unsigned int max_brightness; unsigned int brightness_level; }; static struct fujitsu_bl *fujitsu_bl; /* Device used to access hotkeys and other features on the laptop */ struct fujitsu_laptop { struct input_dev *input; char phys[32]; struct platform_device *pf_device; struct kfifo fifo; spinlock_t fifo_lock; int flags_supported; int flags_state; }; static struct acpi_device *fext; /* Fujitsu ACPI interface function */ static int call_fext_func(struct acpi_device *device, int func, int op, int feature, int state) { union acpi_object params[4] = { { .integer.type = ACPI_TYPE_INTEGER, .integer.value = func }, { .integer.type = ACPI_TYPE_INTEGER, .integer.value = op }, { .integer.type = ACPI_TYPE_INTEGER, .integer.value = feature }, { .integer.type = ACPI_TYPE_INTEGER, .integer.value = state } }; struct acpi_object_list arg_list = { 4, params }; unsigned long long value; acpi_status status; status = acpi_evaluate_integer(device->handle, "FUNC", &arg_list, &value); if (ACPI_FAILURE(status)) { acpi_handle_err(device->handle, "Failed to evaluate FUNC\n"); return -ENODEV; } acpi_handle_debug(device->handle, "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n", func, op, feature, state, (int)value); return value; } /* Hardware access for LCD brightness control */ static int set_lcd_level(struct acpi_device *device, int level) { struct fujitsu_bl *priv = acpi_driver_data(device); acpi_status status; char *method; switch (use_alt_lcd_levels) { case -1: if (acpi_has_method(device->handle, "SBL2")) method = "SBL2"; else method = "SBLL"; break; case 1: method = "SBL2"; break; default: method = "SBLL"; break; } acpi_handle_debug(device->handle, "set lcd level via %s [%d]\n", method, level); if (level < 0 || level >= priv->max_brightness) return -EINVAL; status = acpi_execute_simple_method(device->handle, method, level); if (ACPI_FAILURE(status)) { acpi_handle_err(device->handle, "Failed to evaluate %s\n", method); return -ENODEV; } priv->brightness_level = level; return 0; } static int get_lcd_level(struct acpi_device *device) { struct fujitsu_bl *priv = acpi_driver_data(device); unsigned long long state = 0; acpi_status status = AE_OK; acpi_handle_debug(device->handle, "get lcd level via GBLL\n"); status = acpi_evaluate_integer(device->handle, "GBLL", NULL, &state); if (ACPI_FAILURE(status)) return 0; priv->brightness_level = state & 0x0fffffff; return priv->brightness_level; } static int get_max_brightness(struct acpi_device *device) { struct fujitsu_bl *priv = acpi_driver_data(device); unsigned long long state = 0; acpi_status status = AE_OK; acpi_handle_debug(device->handle, "get max lcd level via RBLL\n"); status = acpi_evaluate_integer(device->handle, "RBLL", NULL, &state); if (ACPI_FAILURE(status)) return -1; priv->max_brightness = state; return priv->max_brightness; } /* Backlight device stuff */ static int bl_get_brightness(struct backlight_device *b) { struct acpi_device *device = bl_get_data(b); return b->props.power == FB_BLANK_POWERDOWN ? 0 : get_lcd_level(device); } static int bl_update_status(struct backlight_device *b) { struct acpi_device *device = bl_get_data(b); if (fext) { if (b->props.power == FB_BLANK_POWERDOWN) call_fext_func(fext, FUNC_BACKLIGHT, 0x1, BACKLIGHT_PARAM_POWER, BACKLIGHT_OFF); else call_fext_func(fext, FUNC_BACKLIGHT, 0x1, BACKLIGHT_PARAM_POWER, BACKLIGHT_ON); } return set_lcd_level(device, b->props.brightness); } static const struct backlight_ops fujitsu_bl_ops = { .get_brightness = bl_get_brightness, .update_status = bl_update_status, }; static ssize_t lid_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fujitsu_laptop *priv = dev_get_drvdata(dev); if (!(priv->flags_supported & FLAG_LID)) return sprintf(buf, "unknown\n"); if (priv->flags_state & FLAG_LID) return sprintf(buf, "open\n"); else return sprintf(buf, "closed\n"); } static ssize_t dock_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fujitsu_laptop *priv = dev_get_drvdata(dev); if (!(priv->flags_supported & FLAG_DOCK)) return sprintf(buf, "unknown\n"); if (priv->flags_state & FLAG_DOCK) return sprintf(buf, "docked\n"); else return sprintf(buf, "undocked\n"); } static ssize_t radios_show(struct device *dev, struct device_attribute *attr, char *buf) { struct fujitsu_laptop *priv = dev_get_drvdata(dev); if (!(priv->flags_supported & FLAG_RFKILL)) return sprintf(buf, "unknown\n"); if (priv->flags_state & FLAG_RFKILL) return sprintf(buf, "on\n"); else return sprintf(buf, "killed\n"); } static DEVICE_ATTR_RO(lid); static DEVICE_ATTR_RO(dock); static DEVICE_ATTR_RO(radios); static struct attribute *fujitsu_pf_attributes[] = { &dev_attr_lid.attr, &dev_attr_dock.attr, &dev_attr_radios.attr, NULL }; static const struct attribute_group fujitsu_pf_attribute_group = { .attrs = fujitsu_pf_attributes }; static struct platform_driver fujitsu_pf_driver = { .driver = { .name = "fujitsu-laptop", } }; /* ACPI device for LCD brightness control */ static const struct key_entry keymap_backlight[] = { { KE_KEY, true, { KEY_BRIGHTNESSUP } }, { KE_KEY, false, { KEY_BRIGHTNESSDOWN } }, { KE_END, 0 } }; static int acpi_fujitsu_bl_input_setup(struct acpi_device *device) { struct fujitsu_bl *priv = acpi_driver_data(device); int ret; priv->input = devm_input_allocate_device(&device->dev); if (!priv->input) return -ENOMEM; snprintf(priv->phys, sizeof(priv->phys), "%s/video/input0", acpi_device_hid(device)); priv->input->name = acpi_device_name(device); priv->input->phys = priv->phys; priv->input->id.bustype = BUS_HOST; priv->input->id.product = 0x06; ret = sparse_keymap_setup(priv->input, keymap_backlight, NULL); if (ret) return ret; return input_register_device(priv->input); } static int fujitsu_backlight_register(struct acpi_device *device) { struct fujitsu_bl *priv = acpi_driver_data(device); const struct backlight_properties props = { .brightness = priv->brightness_level, .max_brightness = priv->max_brightness - 1, .type = BACKLIGHT_PLATFORM }; struct backlight_device *bd; bd = devm_backlight_device_register(&device->dev, "fujitsu-laptop", &device->dev, device, &fujitsu_bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); priv->bl_device = bd; return 0; } static int acpi_fujitsu_bl_add(struct acpi_device *device) { struct fujitsu_bl *priv; int ret; if (acpi_video_get_backlight_type() != acpi_backlight_vendor) return -ENODEV; priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; fujitsu_bl = priv; strcpy(acpi_device_name(device), ACPI_FUJITSU_BL_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_FUJITSU_CLASS); device->driver_data = priv; pr_info("ACPI: %s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); if (get_max_brightness(device) <= 0) priv->max_brightness = FUJITSU_LCD_N_LEVELS; get_lcd_level(device); ret = acpi_fujitsu_bl_input_setup(device); if (ret) return ret; return fujitsu_backlight_register(device); } /* Brightness notify */ static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) { struct fujitsu_bl *priv = acpi_driver_data(device); int oldb, newb; if (event != ACPI_FUJITSU_NOTIFY_CODE) { acpi_handle_info(device->handle, "unsupported event [0x%x]\n", event); sparse_keymap_report_event(priv->input, -1, 1, true); return; } oldb = priv->brightness_level; get_lcd_level(device); newb = priv->brightness_level; acpi_handle_debug(device->handle, "brightness button event [%i -> %i]\n", oldb, newb); if (oldb == newb) return; if (!disable_brightness_adjust) set_lcd_level(device, newb); sparse_keymap_report_event(priv->input, oldb < newb, 1, true); } /* ACPI device for hotkey handling */ static const struct key_entry keymap_default[] = { { KE_KEY, KEY1_CODE, { KEY_PROG1 } }, { KE_KEY, KEY2_CODE, { KEY_PROG2 } }, { KE_KEY, KEY3_CODE, { KEY_PROG3 } }, { KE_KEY, KEY4_CODE, { KEY_PROG4 } }, { KE_KEY, KEY5_CODE, { KEY_RFKILL } }, /* Soft keys read from status flags */ { KE_KEY, FLAG_RFKILL, { KEY_RFKILL } }, { KE_KEY, FLAG_TOUCHPAD_TOGGLE, { KEY_TOUCHPAD_TOGGLE } }, { KE_KEY, FLAG_MICMUTE, { KEY_MICMUTE } }, { KE_END, 0 } }; static const struct key_entry keymap_s64x0[] = { { KE_KEY, KEY1_CODE, { KEY_SCREENLOCK } }, /* "Lock" */ { KE_KEY, KEY2_CODE, { KEY_HELP } }, /* "Mobility Center */ { KE_KEY, KEY3_CODE, { KEY_PROG3 } }, { KE_KEY, KEY4_CODE, { KEY_PROG4 } }, { KE_END, 0 } }; static const struct key_entry keymap_p8010[] = { { KE_KEY, KEY1_CODE, { KEY_HELP } }, /* "Support" */ { KE_KEY, KEY2_CODE, { KEY_PROG2 } }, { KE_KEY, KEY3_CODE, { KEY_SWITCHVIDEOMODE } }, /* "Presentation" */ { KE_KEY, KEY4_CODE, { KEY_WWW } }, /* "WWW" */ { KE_END, 0 } }; static const struct key_entry *keymap = keymap_default; static int fujitsu_laptop_dmi_keymap_override(const struct dmi_system_id *id) { pr_info("Identified laptop model '%s'\n", id->ident); keymap = id->driver_data; return 1; } static const struct dmi_system_id fujitsu_laptop_dmi_table[] = { { .callback = fujitsu_laptop_dmi_keymap_override, .ident = "Fujitsu Siemens S6410", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"), }, .driver_data = (void *)keymap_s64x0 }, { .callback = fujitsu_laptop_dmi_keymap_override, .ident = "Fujitsu Siemens S6420", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), }, .driver_data = (void *)keymap_s64x0 }, { .callback = fujitsu_laptop_dmi_keymap_override, .ident = "Fujitsu LifeBook P8010", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"), }, .driver_data = (void *)keymap_p8010 }, {} }; static int acpi_fujitsu_laptop_input_setup(struct acpi_device *device) { struct fujitsu_laptop *priv = acpi_driver_data(device); int ret; priv->input = devm_input_allocate_device(&device->dev); if (!priv->input) return -ENOMEM; snprintf(priv->phys, sizeof(priv->phys), "%s/input0", acpi_device_hid(device)); priv->input->name = acpi_device_name(device); priv->input->phys = priv->phys; priv->input->id.bustype = BUS_HOST; dmi_check_system(fujitsu_laptop_dmi_table); ret = sparse_keymap_setup(priv->input, keymap, NULL); if (ret) return ret; return input_register_device(priv->input); } static int fujitsu_laptop_platform_add(struct acpi_device *device) { struct fujitsu_laptop *priv = acpi_driver_data(device); int ret; priv->pf_device = platform_device_alloc("fujitsu-laptop", -1); if (!priv->pf_device) return -ENOMEM; platform_set_drvdata(priv->pf_device, priv); ret = platform_device_add(priv->pf_device); if (ret) goto err_put_platform_device; ret = sysfs_create_group(&priv->pf_device->dev.kobj, &fujitsu_pf_attribute_group); if (ret) goto err_del_platform_device; return 0; err_del_platform_device: platform_device_del(priv->pf_device); err_put_platform_device: platform_device_put(priv->pf_device); return ret; } static void fujitsu_laptop_platform_remove(struct acpi_device *device) { struct fujitsu_laptop *priv = acpi_driver_data(device); sysfs_remove_group(&priv->pf_device->dev.kobj, &fujitsu_pf_attribute_group); platform_device_unregister(priv->pf_device); } static int logolamp_set(struct led_classdev *cdev, enum led_brightness brightness) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); int poweron = FUNC_LED_ON, always = FUNC_LED_ON; int ret; if (brightness < LED_HALF) poweron = FUNC_LED_OFF; if (brightness < LED_FULL) always = FUNC_LED_OFF; ret = call_fext_func(device, FUNC_LEDS, 0x1, LOGOLAMP_POWERON, poweron); if (ret < 0) return ret; return call_fext_func(device, FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, always); } static enum led_brightness logolamp_get(struct led_classdev *cdev) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); int ret; ret = call_fext_func(device, FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0); if (ret == FUNC_LED_ON) return LED_FULL; ret = call_fext_func(device, FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0); if (ret == FUNC_LED_ON) return LED_HALF; return LED_OFF; } static int kblamps_set(struct led_classdev *cdev, enum led_brightness brightness) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); if (brightness >= LED_FULL) return call_fext_func(device, FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON); else return call_fext_func(device, FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF); } static enum led_brightness kblamps_get(struct led_classdev *cdev) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); enum led_brightness brightness = LED_OFF; if (call_fext_func(device, FUNC_LEDS, 0x2, KEYBOARD_LAMPS, 0x0) == FUNC_LED_ON) brightness = LED_FULL; return brightness; } static int radio_led_set(struct led_classdev *cdev, enum led_brightness brightness) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); if (brightness >= LED_FULL) return call_fext_func(device, FUNC_FLAGS, 0x5, RADIO_LED_ON, RADIO_LED_ON); else return call_fext_func(device, FUNC_FLAGS, 0x5, RADIO_LED_ON, 0x0); } static enum led_brightness radio_led_get(struct led_classdev *cdev) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); enum led_brightness brightness = LED_OFF; if (call_fext_func(device, FUNC_FLAGS, 0x4, 0x0, 0x0) & RADIO_LED_ON) brightness = LED_FULL; return brightness; } static int eco_led_set(struct led_classdev *cdev, enum led_brightness brightness) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); int curr; curr = call_fext_func(device, FUNC_LEDS, 0x2, ECO_LED, 0x0); if (brightness >= LED_FULL) return call_fext_func(device, FUNC_LEDS, 0x1, ECO_LED, curr | ECO_LED_ON); else return call_fext_func(device, FUNC_LEDS, 0x1, ECO_LED, curr & ~ECO_LED_ON); } static enum led_brightness eco_led_get(struct led_classdev *cdev) { struct acpi_device *device = to_acpi_device(cdev->dev->parent); enum led_brightness brightness = LED_OFF; if (call_fext_func(device, FUNC_LEDS, 0x2, ECO_LED, 0x0) & ECO_LED_ON) brightness = LED_FULL; return brightness; } static int acpi_fujitsu_laptop_leds_register(struct acpi_device *device) { struct fujitsu_laptop *priv = acpi_driver_data(device); struct led_classdev *led; int ret; if (call_fext_func(device, FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) { led = devm_kzalloc(&device->dev, sizeof(*led), GFP_KERNEL); if (!led) return -ENOMEM; led->name = "fujitsu::logolamp"; led->brightness_set_blocking = logolamp_set; led->brightness_get = logolamp_get; ret = devm_led_classdev_register(&device->dev, led); if (ret) return ret; } if ((call_fext_func(device, FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) && (call_fext_func(device, FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) { led = devm_kzalloc(&device->dev, sizeof(*led), GFP_KERNEL); if (!led) return -ENOMEM; led->name = "fujitsu::kblamps"; led->brightness_set_blocking = kblamps_set; led->brightness_get = kblamps_get; ret = devm_led_classdev_register(&device->dev, led); if (ret) return ret; } /* * Some Fujitsu laptops have a radio toggle button in place of a slide * switch and all such machines appear to also have an RF LED. Based on * comparing DSDT tables of four Fujitsu Lifebook models (E744, E751, * S7110, S8420; the first one has a radio toggle button, the other * three have slide switches), bit 17 of flags_supported (the value * returned by method S000 of ACPI device FUJ02E3) seems to indicate * whether given model has a radio toggle button. */ if (priv->flags_supported & BIT(17)) { led = devm_kzalloc(&device->dev, sizeof(*led), GFP_KERNEL); if (!led) return -ENOMEM; led->name = "fujitsu::radio_led"; led->brightness_set_blocking = radio_led_set; led->brightness_get = radio_led_get; led->default_trigger = "rfkill-any"; ret = devm_led_classdev_register(&device->dev, led); if (ret) return ret; } /* Support for eco led is not always signaled in bit corresponding * to the bit used to control the led. According to the DSDT table, * bit 14 seems to indicate presence of said led as well. * Confirm by testing the status. */ if ((call_fext_func(device, FUNC_LEDS, 0x0, 0x0, 0x0) & BIT(14)) && (call_fext_func(device, FUNC_LEDS, 0x2, ECO_LED, 0x0) != UNSUPPORTED_CMD)) { led = devm_kzalloc(&device->dev, sizeof(*led), GFP_KERNEL); if (!led) return -ENOMEM; led->name = "fujitsu::eco_led"; led->brightness_set_blocking = eco_led_set; led->brightness_get = eco_led_get; ret = devm_led_classdev_register(&device->dev, led); if (ret) return ret; } return 0; } static int acpi_fujitsu_laptop_add(struct acpi_device *device) { struct fujitsu_laptop *priv; int ret, i = 0; priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; WARN_ONCE(fext, "More than one FUJ02E3 ACPI device was found. Driver may not work as intended."); fext = device; strcpy(acpi_device_name(device), ACPI_FUJITSU_LAPTOP_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_FUJITSU_CLASS); device->driver_data = priv; /* kfifo */ spin_lock_init(&priv->fifo_lock); ret = kfifo_alloc(&priv->fifo, RINGBUFFERSIZE * sizeof(int), GFP_KERNEL); if (ret) return ret; pr_info("ACPI: %s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); while (call_fext_func(device, FUNC_BUTTONS, 0x1, 0x0, 0x0) != 0 && i++ < MAX_HOTKEY_RINGBUFFER_SIZE) ; /* No action, result is discarded */ acpi_handle_debug(device->handle, "Discarded %i ringbuffer entries\n", i); priv->flags_supported = call_fext_func(device, FUNC_FLAGS, 0x0, 0x0, 0x0); /* Make sure our bitmask of supported functions is cleared if the RFKILL function block is not implemented, like on the S7020. */ if (priv->flags_supported == UNSUPPORTED_CMD) priv->flags_supported = 0; if (priv->flags_supported) priv->flags_state = call_fext_func(device, FUNC_FLAGS, 0x4, 0x0, 0x0); /* Suspect this is a keymap of the application panel, print it */ acpi_handle_info(device->handle, "BTNI: [0x%x]\n", call_fext_func(device, FUNC_BUTTONS, 0x0, 0x0, 0x0)); /* Sync backlight power status */ if (fujitsu_bl && fujitsu_bl->bl_device && acpi_video_get_backlight_type() == acpi_backlight_vendor) { if (call_fext_func(fext, FUNC_BACKLIGHT, 0x2, BACKLIGHT_PARAM_POWER, 0x0) == BACKLIGHT_OFF) fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN; else fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK; } ret = acpi_fujitsu_laptop_input_setup(device); if (ret) goto err_free_fifo; ret = acpi_fujitsu_laptop_leds_register(device); if (ret) goto err_free_fifo; ret = fujitsu_laptop_platform_add(device); if (ret) goto err_free_fifo; return 0; err_free_fifo: kfifo_free(&priv->fifo); return ret; } static int acpi_fujitsu_laptop_remove(struct acpi_device *device) { struct fujitsu_laptop *priv = acpi_driver_data(device); fujitsu_laptop_platform_remove(device); kfifo_free(&priv->fifo); return 0; } static void acpi_fujitsu_laptop_press(struct acpi_device *device, int scancode) { struct fujitsu_laptop *priv = acpi_driver_data(device); int ret; ret = kfifo_in_locked(&priv->fifo, (unsigned char *)&scancode, sizeof(scancode), &priv->fifo_lock); if (ret != sizeof(scancode)) { dev_info(&priv->input->dev, "Could not push scancode [0x%x]\n", scancode); return; } sparse_keymap_report_event(priv->input, scancode, 1, false); dev_dbg(&priv->input->dev, "Push scancode into ringbuffer [0x%x]\n", scancode); } static void acpi_fujitsu_laptop_release(struct acpi_device *device) { struct fujitsu_laptop *priv = acpi_driver_data(device); int scancode, ret; while (true) { ret = kfifo_out_locked(&priv->fifo, (unsigned char *)&scancode, sizeof(scancode), &priv->fifo_lock); if (ret != sizeof(scancode)) return; sparse_keymap_report_event(priv->input, scancode, 0, false); dev_dbg(&priv->input->dev, "Pop scancode from ringbuffer [0x%x]\n", scancode); } } static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) { struct fujitsu_laptop *priv = acpi_driver_data(device); unsigned long flags; int scancode, i = 0; unsigned int irb; if (event != ACPI_FUJITSU_NOTIFY_CODE) { acpi_handle_info(device->handle, "Unsupported event [0x%x]\n", event); sparse_keymap_report_event(priv->input, -1, 1, true); return; } if (priv->flags_supported) priv->flags_state = call_fext_func(device, FUNC_FLAGS, 0x4, 0x0, 0x0); while ((irb = call_fext_func(device, FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0 && i++ < MAX_HOTKEY_RINGBUFFER_SIZE) { scancode = irb & 0x4ff; if (sparse_keymap_entry_from_scancode(priv->input, scancode)) acpi_fujitsu_laptop_press(device, scancode); else if (scancode == 0) acpi_fujitsu_laptop_release(device); else acpi_handle_info(device->handle, "Unknown GIRB result [%x]\n", irb); } /* * First seen on the Skylake-based Lifebook E736/E746/E756), the * touchpad toggle hotkey (Fn+F4) is handled in software. Other models * have since added additional "soft keys". These are reported in the * status flags queried using FUNC_FLAGS. */ if (priv->flags_supported & (FLAG_SOFTKEYS)) { flags = call_fext_func(device, FUNC_FLAGS, 0x1, 0x0, 0x0); flags &= (FLAG_SOFTKEYS); for_each_set_bit(i, &flags, BITS_PER_LONG) sparse_keymap_report_event(priv->input, BIT(i), 1, true); } } /* Initialization */ static const struct acpi_device_id fujitsu_bl_device_ids[] = { {ACPI_FUJITSU_BL_HID, 0}, {"", 0}, }; static struct acpi_driver acpi_fujitsu_bl_driver = { .name = ACPI_FUJITSU_BL_DRIVER_NAME, .class = ACPI_FUJITSU_CLASS, .ids = fujitsu_bl_device_ids, .ops = { .add = acpi_fujitsu_bl_add, .notify = acpi_fujitsu_bl_notify, }, }; static const struct acpi_device_id fujitsu_laptop_device_ids[] = { {ACPI_FUJITSU_LAPTOP_HID, 0}, {"", 0}, }; static struct acpi_driver acpi_fujitsu_laptop_driver = { .name = ACPI_FUJITSU_LAPTOP_DRIVER_NAME, .class = ACPI_FUJITSU_CLASS, .ids = fujitsu_laptop_device_ids, .ops = { .add = acpi_fujitsu_laptop_add, .remove = acpi_fujitsu_laptop_remove, .notify = acpi_fujitsu_laptop_notify, }, }; static const struct acpi_device_id fujitsu_ids[] __used = { {ACPI_FUJITSU_BL_HID, 0}, {ACPI_FUJITSU_LAPTOP_HID, 0}, {"", 0} }; MODULE_DEVICE_TABLE(acpi, fujitsu_ids); static int __init fujitsu_init(void) { int ret; ret = acpi_bus_register_driver(&acpi_fujitsu_bl_driver); if (ret) return ret; /* Register platform stuff */ ret = platform_driver_register(&fujitsu_pf_driver); if (ret) goto err_unregister_acpi; /* Register laptop driver */ ret = acpi_bus_register_driver(&acpi_fujitsu_laptop_driver); if (ret) goto err_unregister_platform_driver; pr_info("driver " FUJITSU_DRIVER_VERSION " successfully loaded\n"); return 0; err_unregister_platform_driver: platform_driver_unregister(&fujitsu_pf_driver); err_unregister_acpi: acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); return ret; } static void __exit fujitsu_cleanup(void) { acpi_bus_unregister_driver(&acpi_fujitsu_laptop_driver); platform_driver_unregister(&fujitsu_pf_driver); acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); pr_info("driver unloaded\n"); } module_init(fujitsu_init); module_exit(fujitsu_cleanup); module_param(use_alt_lcd_levels, int, 0644); MODULE_PARM_DESC(use_alt_lcd_levels, "Interface used for setting LCD brightness level (-1 = auto, 0 = force SBLL, 1 = force SBL2)"); module_param(disable_brightness_adjust, bool, 0644); MODULE_PARM_DESC(disable_brightness_adjust, "Disable LCD brightness adjustment"); MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon"); MODULE_DESCRIPTION("Fujitsu laptop extras support"); MODULE_VERSION(FUJITSU_DRIVER_VERSION); MODULE_LICENSE("GPL");
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