| /* |
| * toshiba_acpi.c - Toshiba Laptop ACPI Extras |
| * |
| * Copyright (C) 2002-2004 John Belmonte |
| * Copyright (C) 2008 Philip Langdale |
| * Copyright (C) 2010 Pierre Ducroquet |
| * Copyright (C) 2014-2015 Azael Avalos |
| * |
| * 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. |
| * |
| * The full GNU General Public License is included in this distribution in |
| * the file called "COPYING". |
| * |
| * The devolpment page for this driver is located at |
| * http://memebeam.org/toys/ToshibaAcpiDriver. |
| * |
| * Credits: |
| * Jonathan A. Buzzard - Toshiba HCI info, and critical tips on reverse |
| * engineering the Windows drivers |
| * Yasushi Nagato - changes for linux kernel 2.4 -> 2.5 |
| * Rob Miller - TV out and hotkeys help |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #define TOSHIBA_ACPI_VERSION "0.22" |
| #define PROC_INTERFACE_VERSION 1 |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/types.h> |
| #include <linux/proc_fs.h> |
| #include <linux/seq_file.h> |
| #include <linux/backlight.h> |
| #include <linux/input.h> |
| #include <linux/input/sparse-keymap.h> |
| #include <linux/leds.h> |
| #include <linux/slab.h> |
| #include <linux/workqueue.h> |
| #include <linux/i8042.h> |
| #include <linux/acpi.h> |
| #include <linux/dmi.h> |
| #include <linux/uaccess.h> |
| #include <acpi/video.h> |
| |
| MODULE_AUTHOR("John Belmonte"); |
| MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver"); |
| MODULE_LICENSE("GPL"); |
| |
| #define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100" |
| |
| /* Scan code for Fn key on TOS1900 models */ |
| #define TOS1900_FN_SCAN 0x6e |
| |
| /* Toshiba ACPI method paths */ |
| #define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX" |
| |
| /* |
| * The Toshiba configuration interface is composed of the HCI and the SCI, |
| * which are defined as follows: |
| * |
| * HCI is Toshiba's "Hardware Control Interface" which is supposed to |
| * be uniform across all their models. Ideally we would just call |
| * dedicated ACPI methods instead of using this primitive interface. |
| * However the ACPI methods seem to be incomplete in some areas (for |
| * example they allow setting, but not reading, the LCD brightness value), |
| * so this is still useful. |
| * |
| * SCI stands for "System Configuration Interface" which aim is to |
| * conceal differences in hardware between different models. |
| */ |
| |
| #define TCI_WORDS 6 |
| |
| /* Operations */ |
| #define HCI_SET 0xff00 |
| #define HCI_GET 0xfe00 |
| #define SCI_OPEN 0xf100 |
| #define SCI_CLOSE 0xf200 |
| #define SCI_GET 0xf300 |
| #define SCI_SET 0xf400 |
| |
| /* Return codes */ |
| #define TOS_SUCCESS 0x0000 |
| #define TOS_OPEN_CLOSE_OK 0x0044 |
| #define TOS_FAILURE 0x1000 |
| #define TOS_NOT_SUPPORTED 0x8000 |
| #define TOS_ALREADY_OPEN 0x8100 |
| #define TOS_NOT_OPENED 0x8200 |
| #define TOS_INPUT_DATA_ERROR 0x8300 |
| #define TOS_WRITE_PROTECTED 0x8400 |
| #define TOS_NOT_PRESENT 0x8600 |
| #define TOS_FIFO_EMPTY 0x8c00 |
| #define TOS_DATA_NOT_AVAILABLE 0x8d20 |
| #define TOS_NOT_INITIALIZED 0x8d50 |
| #define TOS_NOT_INSTALLED 0x8e00 |
| |
| /* Registers */ |
| #define HCI_FAN 0x0004 |
| #define HCI_TR_BACKLIGHT 0x0005 |
| #define HCI_SYSTEM_EVENT 0x0016 |
| #define HCI_VIDEO_OUT 0x001c |
| #define HCI_HOTKEY_EVENT 0x001e |
| #define HCI_LCD_BRIGHTNESS 0x002a |
| #define HCI_WIRELESS 0x0056 |
| #define HCI_ACCELEROMETER 0x006d |
| #define HCI_KBD_ILLUMINATION 0x0095 |
| #define HCI_ECO_MODE 0x0097 |
| #define HCI_ACCELEROMETER2 0x00a6 |
| #define HCI_SYSTEM_INFO 0xc000 |
| #define SCI_PANEL_POWER_ON 0x010d |
| #define SCI_ILLUMINATION 0x014e |
| #define SCI_USB_SLEEP_CHARGE 0x0150 |
| #define SCI_KBD_ILLUM_STATUS 0x015c |
| #define SCI_USB_SLEEP_MUSIC 0x015e |
| #define SCI_USB_THREE 0x0169 |
| #define SCI_TOUCHPAD 0x050e |
| #define SCI_KBD_FUNCTION_KEYS 0x0522 |
| |
| /* Field definitions */ |
| #define HCI_ACCEL_MASK 0x7fff |
| #define HCI_HOTKEY_DISABLE 0x0b |
| #define HCI_HOTKEY_ENABLE 0x09 |
| #define HCI_HOTKEY_SPECIAL_FUNCTIONS 0x10 |
| #define HCI_LCD_BRIGHTNESS_BITS 3 |
| #define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS) |
| #define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS) |
| #define HCI_MISC_SHIFT 0x10 |
| #define HCI_SYSTEM_TYPE1 0x10 |
| #define HCI_SYSTEM_TYPE2 0x11 |
| #define HCI_VIDEO_OUT_LCD 0x1 |
| #define HCI_VIDEO_OUT_CRT 0x2 |
| #define HCI_VIDEO_OUT_TV 0x4 |
| #define HCI_WIRELESS_KILL_SWITCH 0x01 |
| #define HCI_WIRELESS_BT_PRESENT 0x0f |
| #define HCI_WIRELESS_BT_ATTACH 0x40 |
| #define HCI_WIRELESS_BT_POWER 0x80 |
| #define SCI_KBD_MODE_MASK 0x1f |
| #define SCI_KBD_MODE_FNZ 0x1 |
| #define SCI_KBD_MODE_AUTO 0x2 |
| #define SCI_KBD_MODE_ON 0x8 |
| #define SCI_KBD_MODE_OFF 0x10 |
| #define SCI_KBD_TIME_MAX 0x3c001a |
| #define SCI_USB_CHARGE_MODE_MASK 0xff |
| #define SCI_USB_CHARGE_DISABLED 0x00 |
| #define SCI_USB_CHARGE_ALTERNATE 0x09 |
| #define SCI_USB_CHARGE_TYPICAL 0x11 |
| #define SCI_USB_CHARGE_AUTO 0x21 |
| #define SCI_USB_CHARGE_BAT_MASK 0x7 |
| #define SCI_USB_CHARGE_BAT_LVL_OFF 0x1 |
| #define SCI_USB_CHARGE_BAT_LVL_ON 0x4 |
| #define SCI_USB_CHARGE_BAT_LVL 0x0200 |
| #define SCI_USB_CHARGE_RAPID_DSP 0x0300 |
| |
| struct toshiba_acpi_dev { |
| struct acpi_device *acpi_dev; |
| const char *method_hci; |
| struct input_dev *hotkey_dev; |
| struct work_struct hotkey_work; |
| struct backlight_device *backlight_dev; |
| struct led_classdev led_dev; |
| struct led_classdev kbd_led; |
| struct led_classdev eco_led; |
| |
| int force_fan; |
| int last_key_event; |
| int key_event_valid; |
| int kbd_type; |
| int kbd_mode; |
| int kbd_time; |
| int usbsc_bat_level; |
| int usbsc_mode_base; |
| int hotkey_event_type; |
| |
| unsigned int illumination_supported:1; |
| unsigned int video_supported:1; |
| unsigned int fan_supported:1; |
| unsigned int system_event_supported:1; |
| unsigned int ntfy_supported:1; |
| unsigned int info_supported:1; |
| unsigned int tr_backlight_supported:1; |
| unsigned int kbd_illum_supported:1; |
| unsigned int kbd_led_registered:1; |
| unsigned int touchpad_supported:1; |
| unsigned int eco_supported:1; |
| unsigned int accelerometer_supported:1; |
| unsigned int usb_sleep_charge_supported:1; |
| unsigned int usb_rapid_charge_supported:1; |
| unsigned int usb_sleep_music_supported:1; |
| unsigned int kbd_function_keys_supported:1; |
| unsigned int panel_power_on_supported:1; |
| unsigned int usb_three_supported:1; |
| unsigned int sysfs_created:1; |
| }; |
| |
| static struct toshiba_acpi_dev *toshiba_acpi; |
| |
| static const struct acpi_device_id toshiba_device_ids[] = { |
| {"TOS6200", 0}, |
| {"TOS6207", 0}, |
| {"TOS6208", 0}, |
| {"TOS1900", 0}, |
| {"", 0}, |
| }; |
| MODULE_DEVICE_TABLE(acpi, toshiba_device_ids); |
| |
| static const struct key_entry toshiba_acpi_keymap[] = { |
| { KE_KEY, 0x9e, { KEY_RFKILL } }, |
| { KE_KEY, 0x101, { KEY_MUTE } }, |
| { KE_KEY, 0x102, { KEY_ZOOMOUT } }, |
| { KE_KEY, 0x103, { KEY_ZOOMIN } }, |
| { KE_KEY, 0x10f, { KEY_TAB } }, |
| { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, |
| { KE_KEY, 0x139, { KEY_ZOOMRESET } }, |
| { KE_KEY, 0x13b, { KEY_COFFEE } }, |
| { KE_KEY, 0x13c, { KEY_BATTERY } }, |
| { KE_KEY, 0x13d, { KEY_SLEEP } }, |
| { KE_KEY, 0x13e, { KEY_SUSPEND } }, |
| { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } }, |
| { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } }, |
| { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } }, |
| { KE_KEY, 0x142, { KEY_WLAN } }, |
| { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } }, |
| { KE_KEY, 0x17f, { KEY_FN } }, |
| { KE_KEY, 0xb05, { KEY_PROG2 } }, |
| { KE_KEY, 0xb06, { KEY_WWW } }, |
| { KE_KEY, 0xb07, { KEY_MAIL } }, |
| { KE_KEY, 0xb30, { KEY_STOP } }, |
| { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } }, |
| { KE_KEY, 0xb32, { KEY_NEXTSONG } }, |
| { KE_KEY, 0xb33, { KEY_PLAYPAUSE } }, |
| { KE_KEY, 0xb5a, { KEY_MEDIA } }, |
| { KE_IGNORE, 0x1430, { KEY_RESERVED } }, /* Wake from sleep */ |
| { KE_IGNORE, 0x1501, { KEY_RESERVED } }, /* Output changed */ |
| { KE_IGNORE, 0x1502, { KEY_RESERVED } }, /* HDMI plugged/unplugged */ |
| { KE_IGNORE, 0x1ABE, { KEY_RESERVED } }, /* Protection level set */ |
| { KE_IGNORE, 0x1ABF, { KEY_RESERVED } }, /* Protection level off */ |
| { KE_END, 0 }, |
| }; |
| |
| static const struct key_entry toshiba_acpi_alt_keymap[] = { |
| { KE_KEY, 0x157, { KEY_MUTE } }, |
| { KE_KEY, 0x102, { KEY_ZOOMOUT } }, |
| { KE_KEY, 0x103, { KEY_ZOOMIN } }, |
| { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, |
| { KE_KEY, 0x139, { KEY_ZOOMRESET } }, |
| { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } }, |
| { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } }, |
| { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } }, |
| { KE_KEY, 0x158, { KEY_WLAN } }, |
| { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } }, |
| { KE_END, 0 }, |
| }; |
| |
| /* |
| * List of models which have a broken acpi-video backlight interface and thus |
| * need to use the toshiba (vendor) interface instead. |
| */ |
| static const struct dmi_system_id toshiba_vendor_backlight_dmi[] = { |
| {} |
| }; |
| |
| /* |
| * Utility |
| */ |
| |
| static inline void _set_bit(u32 *word, u32 mask, int value) |
| { |
| *word = (*word & ~mask) | (mask * value); |
| } |
| |
| /* |
| * ACPI interface wrappers |
| */ |
| |
| static int write_acpi_int(const char *methodName, int val) |
| { |
| acpi_status status; |
| |
| status = acpi_execute_simple_method(NULL, (char *)methodName, val); |
| return (status == AE_OK) ? 0 : -EIO; |
| } |
| |
| /* |
| * Perform a raw configuration call. Here we don't care about input or output |
| * buffer format. |
| */ |
| static acpi_status tci_raw(struct toshiba_acpi_dev *dev, |
| const u32 in[TCI_WORDS], u32 out[TCI_WORDS]) |
| { |
| struct acpi_object_list params; |
| union acpi_object in_objs[TCI_WORDS]; |
| struct acpi_buffer results; |
| union acpi_object out_objs[TCI_WORDS + 1]; |
| acpi_status status; |
| int i; |
| |
| params.count = TCI_WORDS; |
| params.pointer = in_objs; |
| for (i = 0; i < TCI_WORDS; ++i) { |
| in_objs[i].type = ACPI_TYPE_INTEGER; |
| in_objs[i].integer.value = in[i]; |
| } |
| |
| results.length = sizeof(out_objs); |
| results.pointer = out_objs; |
| |
| status = acpi_evaluate_object(dev->acpi_dev->handle, |
| (char *)dev->method_hci, ¶ms, |
| &results); |
| if ((status == AE_OK) && (out_objs->package.count <= TCI_WORDS)) { |
| for (i = 0; i < out_objs->package.count; ++i) |
| out[i] = out_objs->package.elements[i].integer.value; |
| } |
| |
| return status; |
| } |
| |
| /* |
| * Common hci tasks |
| * |
| * In addition to the ACPI status, the HCI system returns a result which |
| * may be useful (such as "not supported"). |
| */ |
| |
| static u32 hci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) |
| { |
| u32 in[TCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status = tci_raw(dev, in, out); |
| |
| return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; |
| } |
| |
| static u32 hci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1) |
| { |
| u32 in[TCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status = tci_raw(dev, in, out); |
| |
| if (ACPI_FAILURE(status)) |
| return TOS_FAILURE; |
| |
| *out1 = out[2]; |
| |
| return out[0]; |
| } |
| |
| /* |
| * Common sci tasks |
| */ |
| |
| static int sci_open(struct toshiba_acpi_dev *dev) |
| { |
| u32 in[TCI_WORDS] = { SCI_OPEN, 0, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to open SCI failed\n"); |
| return 0; |
| } |
| |
| if (out[0] == TOS_OPEN_CLOSE_OK) { |
| return 1; |
| } else if (out[0] == TOS_ALREADY_OPEN) { |
| pr_info("Toshiba SCI already opened\n"); |
| return 1; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| /* |
| * Some BIOSes do not have the SCI open/close functions |
| * implemented and return 0x8000 (Not Supported), failing to |
| * register some supported features. |
| * |
| * Simply return 1 if we hit those affected laptops to make the |
| * supported features work. |
| * |
| * In the case that some laptops really do not support the SCI, |
| * all the SCI dependent functions check for TOS_NOT_SUPPORTED, |
| * and thus, not registering support for the queried feature. |
| */ |
| return 1; |
| } else if (out[0] == TOS_NOT_PRESENT) { |
| pr_info("Toshiba SCI is not present\n"); |
| } |
| |
| return 0; |
| } |
| |
| static void sci_close(struct toshiba_acpi_dev *dev) |
| { |
| u32 in[TCI_WORDS] = { SCI_CLOSE, 0, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to close SCI failed\n"); |
| return; |
| } |
| |
| if (out[0] == TOS_OPEN_CLOSE_OK) |
| return; |
| else if (out[0] == TOS_NOT_OPENED) |
| pr_info("Toshiba SCI not opened\n"); |
| else if (out[0] == TOS_NOT_PRESENT) |
| pr_info("Toshiba SCI is not present\n"); |
| } |
| |
| static u32 sci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1) |
| { |
| u32 in[TCI_WORDS] = { SCI_GET, reg, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status = tci_raw(dev, in, out); |
| |
| if (ACPI_FAILURE(status)) |
| return TOS_FAILURE; |
| |
| *out1 = out[2]; |
| |
| return out[0]; |
| } |
| |
| static u32 sci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) |
| { |
| u32 in[TCI_WORDS] = { SCI_SET, reg, in1, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status = tci_raw(dev, in, out); |
| |
| return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; |
| } |
| |
| /* Illumination support */ |
| static int toshiba_illumination_available(struct toshiba_acpi_dev *dev) |
| { |
| u32 in[TCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| if (!sci_open(dev)) |
| return 0; |
| |
| status = tci_raw(dev, in, out); |
| sci_close(dev); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to query Illumination support failed\n"); |
| return 0; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("Illumination device not available\n"); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| static void toshiba_illumination_set(struct led_classdev *cdev, |
| enum led_brightness brightness) |
| { |
| struct toshiba_acpi_dev *dev = container_of(cdev, |
| struct toshiba_acpi_dev, led_dev); |
| u32 state, result; |
| |
| /* First request : initialize communication. */ |
| if (!sci_open(dev)) |
| return; |
| |
| /* Switch the illumination on/off */ |
| state = brightness ? 1 : 0; |
| result = sci_write(dev, SCI_ILLUMINATION, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call for illumination failed\n"); |
| return; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Illumination not supported\n"); |
| return; |
| } |
| } |
| |
| static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) |
| { |
| struct toshiba_acpi_dev *dev = container_of(cdev, |
| struct toshiba_acpi_dev, led_dev); |
| u32 state, result; |
| |
| /* First request : initialize communication. */ |
| if (!sci_open(dev)) |
| return LED_OFF; |
| |
| /* Check the illumination */ |
| result = sci_read(dev, SCI_ILLUMINATION, &state); |
| sci_close(dev); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call for illumination failed\n"); |
| return LED_OFF; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Illumination not supported\n"); |
| return LED_OFF; |
| } |
| |
| return state ? LED_FULL : LED_OFF; |
| } |
| |
| /* KBD Illumination */ |
| static int toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev) |
| { |
| u32 in[TCI_WORDS] = { SCI_GET, SCI_KBD_ILLUM_STATUS, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| if (!sci_open(dev)) |
| return 0; |
| |
| status = tci_raw(dev, in, out); |
| sci_close(dev); |
| if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to query kbd illumination support failed\n"); |
| return 0; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("Keyboard illumination not available\n"); |
| return 0; |
| } |
| |
| /* |
| * Check for keyboard backlight timeout max value, |
| * previous kbd backlight implementation set this to |
| * 0x3c0003, and now the new implementation set this |
| * to 0x3c001a, use this to distinguish between them. |
| */ |
| if (out[3] == SCI_KBD_TIME_MAX) |
| dev->kbd_type = 2; |
| else |
| dev->kbd_type = 1; |
| /* Get the current keyboard backlight mode */ |
| dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK; |
| /* Get the current time (1-60 seconds) */ |
| dev->kbd_time = out[2] >> HCI_MISC_SHIFT; |
| |
| return 1; |
| } |
| |
| static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_KBD_ILLUM_STATUS, time); |
| sci_close(dev); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to set KBD backlight status failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Keyboard backlight status not supported\n"); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_KBD_ILLUM_STATUS, time); |
| sci_close(dev); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to get KBD backlight status failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Keyboard backlight status not supported\n"); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static enum led_brightness toshiba_kbd_backlight_get(struct led_classdev *cdev) |
| { |
| struct toshiba_acpi_dev *dev = container_of(cdev, |
| struct toshiba_acpi_dev, kbd_led); |
| u32 state, result; |
| |
| /* Check the keyboard backlight state */ |
| result = hci_read(dev, HCI_KBD_ILLUMINATION, &state); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to get the keyboard backlight failed\n"); |
| return LED_OFF; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Keyboard backlight not supported\n"); |
| return LED_OFF; |
| } |
| |
| return state ? LED_FULL : LED_OFF; |
| } |
| |
| static void toshiba_kbd_backlight_set(struct led_classdev *cdev, |
| enum led_brightness brightness) |
| { |
| struct toshiba_acpi_dev *dev = container_of(cdev, |
| struct toshiba_acpi_dev, kbd_led); |
| u32 state, result; |
| |
| /* Set the keyboard backlight state */ |
| state = brightness ? 1 : 0; |
| result = hci_write(dev, HCI_KBD_ILLUMINATION, state); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to set KBD Illumination mode failed\n"); |
| return; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Keyboard backlight not supported\n"); |
| return; |
| } |
| } |
| |
| /* TouchPad support */ |
| static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_TOUCHPAD, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to set the touchpad failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_TOUCHPAD, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to query the touchpad failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| /* Eco Mode support */ |
| static int toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) |
| { |
| acpi_status status; |
| u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to get ECO led failed\n"); |
| } else if (out[0] == TOS_NOT_INSTALLED) { |
| pr_info("ECO led not installed"); |
| } else if (out[0] == TOS_INPUT_DATA_ERROR) { |
| /* |
| * If we receive 0x8300 (Input Data Error), it means that the |
| * LED device is present, but that we just screwed the input |
| * parameters. |
| * |
| * Let's query the status of the LED to see if we really have a |
| * success response, indicating the actual presense of the LED, |
| * bail out otherwise. |
| */ |
| in[3] = 1; |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) |
| pr_err("ACPI call to get ECO led failed\n"); |
| else if (out[0] == TOS_SUCCESS) |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static enum led_brightness |
| toshiba_eco_mode_get_status(struct led_classdev *cdev) |
| { |
| struct toshiba_acpi_dev *dev = container_of(cdev, |
| struct toshiba_acpi_dev, eco_led); |
| u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to get ECO led failed\n"); |
| return LED_OFF; |
| } |
| |
| return out[2] ? LED_FULL : LED_OFF; |
| } |
| |
| static void toshiba_eco_mode_set_status(struct led_classdev *cdev, |
| enum led_brightness brightness) |
| { |
| struct toshiba_acpi_dev *dev = container_of(cdev, |
| struct toshiba_acpi_dev, eco_led); |
| u32 in[TCI_WORDS] = { HCI_SET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| /* Switch the Eco Mode led on/off */ |
| in[2] = (brightness) ? 1 : 0; |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to set ECO led failed\n"); |
| return; |
| } |
| } |
| |
| /* Accelerometer support */ |
| static int toshiba_accelerometer_supported(struct toshiba_acpi_dev *dev) |
| { |
| u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| /* |
| * Check if the accelerometer call exists, |
| * this call also serves as initialization |
| */ |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to query the accelerometer failed\n"); |
| return -EIO; |
| } else if (out[0] == TOS_DATA_NOT_AVAILABLE || |
| out[0] == TOS_NOT_INITIALIZED) { |
| pr_err("Accelerometer not initialized\n"); |
| return -EIO; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("Accelerometer not supported\n"); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev, |
| u32 *xy, u32 *z) |
| { |
| u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| /* Check the Accelerometer status */ |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to query the accelerometer failed\n"); |
| return -EIO; |
| } |
| |
| *xy = out[2]; |
| *z = out[4]; |
| |
| return 0; |
| } |
| |
| /* Sleep (Charge and Music) utilities support */ |
| static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev) |
| { |
| u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| /* Set the feature to "not supported" in case of error */ |
| dev->usb_sleep_charge_supported = 0; |
| |
| if (!sci_open(dev)) |
| return; |
| |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); |
| sci_close(dev); |
| return; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("USB Sleep and Charge not supported\n"); |
| sci_close(dev); |
| return; |
| } else if (out[0] == TOS_SUCCESS) { |
| dev->usbsc_mode_base = out[4]; |
| } |
| |
| in[5] = SCI_USB_CHARGE_BAT_LVL; |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); |
| sci_close(dev); |
| return; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("USB Sleep and Charge not supported\n"); |
| sci_close(dev); |
| return; |
| } else if (out[0] == TOS_SUCCESS) { |
| dev->usbsc_bat_level = out[2]; |
| /* |
| * If we reach this point, it means that the laptop has support |
| * for this feature and all values are initialized. |
| * Set it as supported. |
| */ |
| dev->usb_sleep_charge_supported = 1; |
| } |
| |
| sci_close(dev); |
| } |
| |
| static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev, |
| u32 *mode) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_USB_SLEEP_CHARGE, mode); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to set USB S&C mode failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("USB Sleep and Charge not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_usb_sleep_charge_set(struct toshiba_acpi_dev *dev, |
| u32 mode) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_USB_SLEEP_CHARGE, mode); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to set USB S&C mode failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("USB Sleep and Charge not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev, |
| u32 *mode) |
| { |
| u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| in[5] = SCI_USB_CHARGE_BAT_LVL; |
| status = tci_raw(dev, in, out); |
| sci_close(dev); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to get USB S&C battery level failed\n"); |
| return -EIO; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("USB Sleep and Charge not supported\n"); |
| return -ENODEV; |
| } else if (out[0] == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| *mode = out[2]; |
| |
| return 0; |
| } |
| |
| static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev, |
| u32 mode) |
| { |
| u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| in[2] = mode; |
| in[5] = SCI_USB_CHARGE_BAT_LVL; |
| status = tci_raw(dev, in, out); |
| sci_close(dev); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to set USB S&C battery level failed\n"); |
| return -EIO; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("USB Sleep and Charge not supported\n"); |
| return -ENODEV; |
| } else if (out[0] == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev, |
| u32 *state) |
| { |
| u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| in[5] = SCI_USB_CHARGE_RAPID_DSP; |
| status = tci_raw(dev, in, out); |
| sci_close(dev); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to get USB Rapid Charge failed\n"); |
| return -EIO; |
| } else if (out[0] == TOS_NOT_SUPPORTED || |
| out[0] == TOS_INPUT_DATA_ERROR) { |
| pr_info("USB Rapid Charge not supported\n"); |
| return -ENODEV; |
| } |
| |
| *state = out[2]; |
| |
| return 0; |
| } |
| |
| static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev, |
| u32 state) |
| { |
| u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| in[2] = state; |
| in[5] = SCI_USB_CHARGE_RAPID_DSP; |
| status = tci_raw(dev, in, out); |
| sci_close(dev); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to set USB Rapid Charge failed\n"); |
| return -EIO; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("USB Rapid Charge not supported\n"); |
| return -ENODEV; |
| } else if (out[0] == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_USB_SLEEP_MUSIC, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to get Sleep and Music failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Sleep and Music not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_USB_SLEEP_MUSIC, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to set Sleep and Music failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Sleep and Music not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| /* Keyboard function keys */ |
| static int toshiba_function_keys_get(struct toshiba_acpi_dev *dev, u32 *mode) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_KBD_FUNCTION_KEYS, mode); |
| sci_close(dev); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to get KBD function keys failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("KBD function keys not supported\n"); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_function_keys_set(struct toshiba_acpi_dev *dev, u32 mode) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_KBD_FUNCTION_KEYS, mode); |
| sci_close(dev); |
| if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
| pr_err("ACPI call to set KBD function keys failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("KBD function keys not supported\n"); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| /* Panel Power ON */ |
| static int toshiba_panel_power_on_get(struct toshiba_acpi_dev *dev, u32 *state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_PANEL_POWER_ON, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to get Panel Power ON failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Panel Power on not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_panel_power_on_set(struct toshiba_acpi_dev *dev, u32 state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_PANEL_POWER_ON, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to set Panel Power ON failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("Panel Power ON not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| /* USB Three */ |
| static int toshiba_usb_three_get(struct toshiba_acpi_dev *dev, u32 *state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_read(dev, SCI_USB_THREE, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to get USB 3 failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("USB 3 not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| static int toshiba_usb_three_set(struct toshiba_acpi_dev *dev, u32 state) |
| { |
| u32 result; |
| |
| if (!sci_open(dev)) |
| return -EIO; |
| |
| result = sci_write(dev, SCI_USB_THREE, state); |
| sci_close(dev); |
| if (result == TOS_FAILURE) { |
| pr_err("ACPI call to set USB 3 failed\n"); |
| return -EIO; |
| } else if (result == TOS_NOT_SUPPORTED) { |
| pr_info("USB 3 not supported\n"); |
| return -ENODEV; |
| } else if (result == TOS_INPUT_DATA_ERROR) { |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| /* Hotkey Event type */ |
| static int toshiba_hotkey_event_type_get(struct toshiba_acpi_dev *dev, |
| u32 *type) |
| { |
| u32 in[TCI_WORDS] = { HCI_GET, HCI_SYSTEM_INFO, 0x03, 0, 0, 0 }; |
| u32 out[TCI_WORDS]; |
| acpi_status status; |
| |
| status = tci_raw(dev, in, out); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI call to get System type failed\n"); |
| return -EIO; |
| } else if (out[0] == TOS_NOT_SUPPORTED) { |
| pr_info("System type not supported\n"); |
| return -ENODEV; |
| } |
| |
| *type = out[3]; |
| |
| return 0; |
| } |
| |
| /* Transflective Backlight */ |
| static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled) |
| { |
| u32 hci_result; |
| u32 status; |
| |
| hci_result = hci_read(dev, HCI_TR_BACKLIGHT, &status); |
| *enabled = !status; |
| return hci_result == TOS_SUCCESS ? 0 : -EIO; |
| } |
| |
| static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, bool enable) |
| { |
| u32 hci_result; |
| u32 value = !enable; |
| |
| hci_result = hci_write(dev, HCI_TR_BACKLIGHT, value); |
| return hci_result == TOS_SUCCESS ? 0 : -EIO; |
| } |
| |
| static struct proc_dir_entry *toshiba_proc_dir; |
| |
| /* LCD Brightness */ |
| static int __get_lcd_brightness(struct toshiba_acpi_dev *dev) |
| { |
| u32 hci_result; |
| u32 value; |
| int brightness = 0; |
| |
| if (dev->tr_backlight_supported) { |
| bool enabled; |
| int ret = get_tr_backlight_status(dev, &enabled); |
| |
| if (ret) |
| return ret; |
| if (enabled) |
| return 0; |
| brightness++; |
| } |
| |
| hci_result = hci_read(dev, HCI_LCD_BRIGHTNESS, &value); |
| if (hci_result == TOS_SUCCESS) |
| return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT); |
| |
| return -EIO; |
| } |
| |
| static int get_lcd_brightness(struct backlight_device *bd) |
| { |
| struct toshiba_acpi_dev *dev = bl_get_data(bd); |
| |
| return __get_lcd_brightness(dev); |
| } |
| |
| static int lcd_proc_show(struct seq_file *m, void *v) |
| { |
| struct toshiba_acpi_dev *dev = m->private; |
| int value; |
| int levels; |
| |
| if (!dev->backlight_dev) |
| return -ENODEV; |
| |
| levels = dev->backlight_dev->props.max_brightness + 1; |
| value = get_lcd_brightness(dev->backlight_dev); |
| if (value >= 0) { |
| seq_printf(m, "brightness: %d\n", value); |
| seq_printf(m, "brightness_levels: %d\n", levels); |
| return 0; |
| } |
| |
| pr_err("Error reading LCD brightness\n"); |
| return -EIO; |
| } |
| |
| static int lcd_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, lcd_proc_show, PDE_DATA(inode)); |
| } |
| |
| static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) |
| { |
| u32 hci_result; |
| |
| if (dev->tr_backlight_supported) { |
| bool enable = !value; |
| int ret = set_tr_backlight_status(dev, enable); |
| |
| if (ret) |
| return ret; |
| if (value) |
| value--; |
| } |
| |
| value = value << HCI_LCD_BRIGHTNESS_SHIFT; |
| hci_result = hci_write(dev, HCI_LCD_BRIGHTNESS, value); |
| return hci_result == TOS_SUCCESS ? 0 : -EIO; |
| } |
| |
| static int set_lcd_status(struct backlight_device *bd) |
| { |
| struct toshiba_acpi_dev *dev = bl_get_data(bd); |
| |
| return set_lcd_brightness(dev, bd->props.brightness); |
| } |
| |
| static ssize_t lcd_proc_write(struct file *file, const char __user *buf, |
| size_t count, loff_t *pos) |
| { |
| struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| char cmd[42]; |
| size_t len; |
| int value; |
| int ret; |
| int levels = dev->backlight_dev->props.max_brightness + 1; |
| |
| len = min(count, sizeof(cmd) - 1); |
| if (copy_from_user(cmd, buf, len)) |
| return -EFAULT; |
| cmd[len] = '\0'; |
| |
| if (sscanf(cmd, " brightness : %i", &value) == 1 && |
| value >= 0 && value < levels) { |
| ret = set_lcd_brightness(dev, value); |
| if (ret == 0) |
| ret = count; |
| } else { |
| ret = -EINVAL; |
| } |
| return ret; |
| } |
| |
| static const struct file_operations lcd_proc_fops = { |
| .owner = THIS_MODULE, |
| .open = lcd_proc_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| .write = lcd_proc_write, |
| }; |
| |
| static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status) |
| { |
| u32 hci_result; |
| |
| hci_result = hci_read(dev, HCI_VIDEO_OUT, status); |
| return hci_result == TOS_SUCCESS ? 0 : -EIO; |
| } |
| |
| static int video_proc_show(struct seq_file *m, void *v) |
| { |
| struct toshiba_acpi_dev *dev = m->private; |
| u32 value; |
| int ret; |
| |
| ret = get_video_status(dev, &value); |
| if (!ret) { |
| int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0; |
| int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0; |
| int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0; |
| |
| seq_printf(m, "lcd_out: %d\n", is_lcd); |
| seq_printf(m, "crt_out: %d\n", is_crt); |
| seq_printf(m, "tv_out: %d\n", is_tv); |
| } |
| |
| return ret; |
| } |
| |
| static int video_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, video_proc_show, PDE_DATA(inode)); |
| } |
| |
| static ssize_t video_proc_write(struct file *file, const char __user *buf, |
| size_t count, loff_t *pos) |
| { |
| struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| char *cmd, *buffer; |
| int ret; |
| int value; |
| int remain = count; |
| int lcd_out = -1; |
| int crt_out = -1; |
| int tv_out = -1; |
| u32 video_out; |
| |
| cmd = kmalloc(count + 1, GFP_KERNEL); |
| if (!cmd) |
| return -ENOMEM; |
| if (copy_from_user(cmd, buf, count)) { |
| kfree(cmd); |
| return -EFAULT; |
| } |
| cmd[count] = '\0'; |
| |
| buffer = cmd; |
| |
| /* |
| * Scan expression. Multiple expressions may be delimited with ; |
| * NOTE: To keep scanning simple, invalid fields are ignored. |
| */ |
| while (remain) { |
| if (sscanf(buffer, " lcd_out : %i", &value) == 1) |
| lcd_out = value & 1; |
| else if (sscanf(buffer, " crt_out : %i", &value) == 1) |
| crt_out = value & 1; |
| else if (sscanf(buffer, " tv_out : %i", &value) == 1) |
| tv_out = value & 1; |
| /* Advance to one character past the next ; */ |
| do { |
| ++buffer; |
| --remain; |
| } while (remain && *(buffer - 1) != ';'); |
| } |
| |
| kfree(cmd); |
| |
| ret = get_video_status(dev, &video_out); |
| if (!ret) { |
| unsigned int new_video_out = video_out; |
| |
| if (lcd_out != -1) |
| _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out); |
| if (crt_out != -1) |
| _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out); |
| if (tv_out != -1) |
| _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out); |
| /* |
| * To avoid unnecessary video disruption, only write the new |
| * video setting if something changed. |
| */ |
| if (new_video_out != video_out) |
| ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out); |
| } |
| |
| return ret ? ret : count; |
| } |
| |
| static const struct file_operations video_proc_fops = { |
| .owner = THIS_MODULE, |
| .open = video_proc_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| .write = video_proc_write, |
| }; |
| |
| static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status) |
| { |
| u32 hci_result; |
| |
| hci_result = hci_read(dev, HCI_FAN, status); |
| return hci_result == TOS_SUCCESS ? 0 : -EIO; |
| } |
| |
| static int fan_proc_show(struct seq_file *m, void *v) |
| { |
| struct toshiba_acpi_dev *dev = m->private; |
| int ret; |
| u32 value; |
| |
| ret = get_fan_status(dev, &value); |
| if (!ret) { |
| seq_printf(m, "running: %d\n", (value > 0)); |
| seq_printf(m, "force_on: %d\n", dev->force_fan); |
| } |
| |
| return ret; |
| } |
| |
| static int fan_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, fan_proc_show, PDE_DATA(inode)); |
| } |
| |
| static ssize_t fan_proc_write(struct file *file, const char __user *buf, |
| size_t count, loff_t *pos) |
| { |
| struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| char cmd[42]; |
| size_t len; |
| int value; |
| u32 hci_result; |
| |
| len = min(count, sizeof(cmd) - 1); |
| if (copy_from_user(cmd, buf, len)) |
| return -EFAULT; |
| cmd[len] = '\0'; |
| |
| if (sscanf(cmd, " force_on : %i", &value) == 1 && |
| value >= 0 && value <= 1) { |
| hci_result = hci_write(dev, HCI_FAN, value); |
| if (hci_result == TOS_SUCCESS) |
| dev->force_fan = value; |
| else |
| return -EIO; |
| } else { |
| return -EINVAL; |
| } |
| |
| return count; |
| } |
| |
| static const struct file_operations fan_proc_fops = { |
| .owner = THIS_MODULE, |
| .open = fan_proc_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| .write = fan_proc_write, |
| }; |
| |
| static int keys_proc_show(struct seq_file *m, void *v) |
| { |
| struct toshiba_acpi_dev *dev = m->private; |
| u32 hci_result; |
| u32 value; |
| |
| if (!dev->key_event_valid && dev->system_event_supported) { |
| hci_result = hci_read(dev, HCI_SYSTEM_EVENT, &value); |
| if (hci_result == TOS_SUCCESS) { |
| dev->key_event_valid = 1; |
| dev->last_key_event = value; |
| } else if (hci_result == TOS_FIFO_EMPTY) { |
| /* Better luck next time */ |
| } else if (hci_result == TOS_NOT_SUPPORTED) { |
| /* |
| * This is a workaround for an unresolved issue on |
| * some machines where system events sporadically |
| * become disabled. |
| */ |
| hci_result = hci_write(dev, HCI_SYSTEM_EVENT, 1); |
| pr_notice("Re-enabled hotkeys\n"); |
| } else { |
| pr_err("Error reading hotkey status\n"); |
| return -EIO; |
| } |
| } |
| |
| seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid); |
| seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event); |
| return 0; |
| } |
| |
| static int keys_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, keys_proc_show, PDE_DATA(inode)); |
| } |
| |
| static ssize_t keys_proc_write(struct file *file, const char __user *buf, |
| size_t count, loff_t *pos) |
| { |
| struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| char cmd[42]; |
| size_t len; |
| int value; |
| |
| len = min(count, sizeof(cmd) - 1); |
| if (copy_from_user(cmd, buf, len)) |
| return -EFAULT; |
| cmd[len] = '\0'; |
| |
| if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) |
| dev->key_event_valid = 0; |
| else |
| return -EINVAL; |
| |
| return count; |
| } |
| |
| static const struct file_operations keys_proc_fops = { |
| .owner = THIS_MODULE, |
| .open = keys_proc_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| .write = keys_proc_write, |
| }; |
| |
| static int version_proc_show(struct seq_file *m, void *v) |
| { |
| seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION); |
| seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION); |
| return 0; |
| } |
| |
| static int version_proc_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, version_proc_show, PDE_DATA(inode)); |
| } |
| |
| static const struct file_operations version_proc_fops = { |
| .owner = THIS_MODULE, |
| .open = version_proc_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| }; |
| |
| /* |
| * Proc and module init |
| */ |
| |
| #define PROC_TOSHIBA "toshiba" |
| |
| static void create_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
| { |
| if (dev->backlight_dev) |
| proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| &lcd_proc_fops, dev); |
| if (dev->video_supported) |
| proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| &video_proc_fops, dev); |
| if (dev->fan_supported) |
| proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| &fan_proc_fops, dev); |
| if (dev->hotkey_dev) |
| proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| &keys_proc_fops, dev); |
| proc_create_data("version", S_IRUGO, toshiba_proc_dir, |
| &version_proc_fops, dev); |
| } |
| |
| static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
| { |
| if (dev->backlight_dev) |
| remove_proc_entry("lcd", toshiba_proc_dir); |
| if (dev->video_supported) |
| remove_proc_entry("video", toshiba_proc_dir); |
| if (dev->fan_supported) |
| remove_proc_entry("fan", toshiba_proc_dir); |
| if (dev->hotkey_dev) |
| remove_proc_entry("keys", toshiba_proc_dir); |
| remove_proc_entry("version", toshiba_proc_dir); |
| } |
| |
| static const struct backlight_ops toshiba_backlight_data = { |
| .options = BL_CORE_SUSPENDRESUME, |
| .get_brightness = get_lcd_brightness, |
| .update_status = set_lcd_status, |
| }; |
| |
| /* |
| * Sysfs files |
| */ |
| static ssize_t version_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| return sprintf(buf, "%s\n", TOSHIBA_ACPI_VERSION); |
| } |
| static DEVICE_ATTR_RO(version); |
| |
| static ssize_t fan_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 result; |
| int state; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| |
| if (state != 0 && state != 1) |
| return -EINVAL; |
| |
| result = hci_write(toshiba, HCI_FAN, state); |
| if (result == TOS_FAILURE) |
| return -EIO; |
| else if (result == TOS_NOT_SUPPORTED) |
| return -ENODEV; |
| |
| return count; |
| } |
| |
| static ssize_t fan_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 value; |
| int ret; |
| |
| ret = get_fan_status(toshiba, &value); |
| if (ret) |
| return ret; |
| |
| return sprintf(buf, "%d\n", value); |
| } |
| static DEVICE_ATTR_RW(fan); |
| |
| static ssize_t kbd_backlight_mode_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int mode; |
| int time; |
| int ret; |
| |
| |
| ret = kstrtoint(buf, 0, &mode); |
| if (ret) |
| return ret; |
| |
| /* Check for supported modes depending on keyboard backlight type */ |
| if (toshiba->kbd_type == 1) { |
| /* Type 1 supports SCI_KBD_MODE_FNZ and SCI_KBD_MODE_AUTO */ |
| if (mode != SCI_KBD_MODE_FNZ && mode != SCI_KBD_MODE_AUTO) |
| return -EINVAL; |
| } else if (toshiba->kbd_type == 2) { |
| /* Type 2 doesn't support SCI_KBD_MODE_FNZ */ |
| if (mode != SCI_KBD_MODE_AUTO && mode != SCI_KBD_MODE_ON && |
| mode != SCI_KBD_MODE_OFF) |
| return -EINVAL; |
| } |
| |
| /* |
| * Set the Keyboard Backlight Mode where: |
| * Auto - KBD backlight turns off automatically in given time |
| * FN-Z - KBD backlight "toggles" when hotkey pressed |
| * ON - KBD backlight is always on |
| * OFF - KBD backlight is always off |
| */ |
| |
| /* Only make a change if the actual mode has changed */ |
| if (toshiba->kbd_mode != mode) { |
| /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ |
| time = toshiba->kbd_time << HCI_MISC_SHIFT; |
| |
| /* OR the "base time" to the actual method format */ |
| if (toshiba->kbd_type == 1) { |
| /* Type 1 requires the current mode */ |
| time |= toshiba->kbd_mode; |
| } else if (toshiba->kbd_type == 2) { |
| /* Type 2 requires the desired mode */ |
| time |= mode; |
| } |
| |
| ret = toshiba_kbd_illum_status_set(toshiba, time); |
| if (ret) |
| return ret; |
| |
| toshiba->kbd_mode = mode; |
| } |
| |
| return count; |
| } |
| |
| static ssize_t kbd_backlight_mode_show(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 time; |
| |
| if (toshiba_kbd_illum_status_get(toshiba, &time) < 0) |
| return -EIO; |
| |
| return sprintf(buf, "%i\n", time & SCI_KBD_MODE_MASK); |
| } |
| static DEVICE_ATTR_RW(kbd_backlight_mode); |
| |
| static ssize_t kbd_type_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| |
| return sprintf(buf, "%d\n", toshiba->kbd_type); |
| } |
| static DEVICE_ATTR_RO(kbd_type); |
| |
| static ssize_t available_kbd_modes_show(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| |
| if (toshiba->kbd_type == 1) |
| return sprintf(buf, "%x %x\n", |
| SCI_KBD_MODE_FNZ, SCI_KBD_MODE_AUTO); |
| |
| return sprintf(buf, "%x %x %x\n", |
| SCI_KBD_MODE_AUTO, SCI_KBD_MODE_ON, SCI_KBD_MODE_OFF); |
| } |
| static DEVICE_ATTR_RO(available_kbd_modes); |
| |
| static ssize_t kbd_backlight_timeout_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int time; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &time); |
| if (ret) |
| return ret; |
| |
| /* Check for supported values depending on kbd_type */ |
| if (toshiba->kbd_type == 1) { |
| if (time < 0 || time > 60) |
| return -EINVAL; |
| } else if (toshiba->kbd_type == 2) { |
| if (time < 1 || time > 60) |
| return -EINVAL; |
| } |
| |
| /* Set the Keyboard Backlight Timeout */ |
| |
| /* Only make a change if the actual timeout has changed */ |
| if (toshiba->kbd_time != time) { |
| /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ |
| time = time << HCI_MISC_SHIFT; |
| /* OR the "base time" to the actual method format */ |
| if (toshiba->kbd_type == 1) |
| time |= SCI_KBD_MODE_FNZ; |
| else if (toshiba->kbd_type == 2) |
| time |= SCI_KBD_MODE_AUTO; |
| |
| ret = toshiba_kbd_illum_status_set(toshiba, time); |
| if (ret) |
| return ret; |
| |
| toshiba->kbd_time = time >> HCI_MISC_SHIFT; |
| } |
| |
| return count; |
| } |
| |
| static ssize_t kbd_backlight_timeout_show(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 time; |
| |
| if (toshiba_kbd_illum_status_get(toshiba, &time) < 0) |
| return -EIO; |
| |
| return sprintf(buf, "%i\n", time >> HCI_MISC_SHIFT); |
| } |
| static DEVICE_ATTR_RW(kbd_backlight_timeout); |
| |
| static ssize_t touchpad_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int state; |
| int ret; |
| |
| /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */ |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| if (state != 0 && state != 1) |
| return -EINVAL; |
| |
| ret = toshiba_touchpad_set(toshiba, state); |
| if (ret) |
| return ret; |
| |
| return count; |
| } |
| |
| static ssize_t touchpad_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 state; |
| int ret; |
| |
| ret = toshiba_touchpad_get(toshiba, &state); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%i\n", state); |
| } |
| static DEVICE_ATTR_RW(touchpad); |
| |
| static ssize_t position_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 xyval, zval, tmp; |
| u16 x, y, z; |
| int ret; |
| |
| xyval = zval = 0; |
| ret = toshiba_accelerometer_get(toshiba, &xyval, &zval); |
| if (ret < 0) |
| return ret; |
| |
| x = xyval & HCI_ACCEL_MASK; |
| tmp = xyval >> HCI_MISC_SHIFT; |
| y = tmp & HCI_ACCEL_MASK; |
| z = zval & HCI_ACCEL_MASK; |
| |
| return sprintf(buf, "%d %d %d\n", x, y, z); |
| } |
| static DEVICE_ATTR_RO(position); |
| |
| static ssize_t usb_sleep_charge_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 mode; |
| int ret; |
| |
| ret = toshiba_usb_sleep_charge_get(toshiba, &mode); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%x\n", mode & SCI_USB_CHARGE_MODE_MASK); |
| } |
| |
| static ssize_t usb_sleep_charge_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 mode; |
| int state; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| /* |
| * Check for supported values, where: |
| * 0 - Disabled |
| * 1 - Alternate (Non USB conformant devices that require more power) |
| * 2 - Auto (USB conformant devices) |
| * 3 - Typical |
| */ |
| if (state != 0 && state != 1 && state != 2 && state != 3) |
| return -EINVAL; |
| |
| /* Set the USB charging mode to internal value */ |
| mode = toshiba->usbsc_mode_base; |
| if (state == 0) |
| mode |= SCI_USB_CHARGE_DISABLED; |
| else if (state == 1) |
| mode |= SCI_USB_CHARGE_ALTERNATE; |
| else if (state == 2) |
| mode |= SCI_USB_CHARGE_AUTO; |
| else if (state == 3) |
| mode |= SCI_USB_CHARGE_TYPICAL; |
| |
| ret = toshiba_usb_sleep_charge_set(toshiba, mode); |
| if (ret) |
| return ret; |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(usb_sleep_charge); |
| |
| static ssize_t sleep_functions_on_battery_show(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 state; |
| int bat_lvl; |
| int status; |
| int ret; |
| int tmp; |
| |
| ret = toshiba_sleep_functions_status_get(toshiba, &state); |
| if (ret < 0) |
| return ret; |
| |
| /* Determine the status: 0x4 - Enabled | 0x1 - Disabled */ |
| tmp = state & SCI_USB_CHARGE_BAT_MASK; |
| status = (tmp == 0x4) ? 1 : 0; |
| /* Determine the battery level set */ |
| bat_lvl = state >> HCI_MISC_SHIFT; |
| |
| return sprintf(buf, "%d %d\n", status, bat_lvl); |
| } |
| |
| static ssize_t sleep_functions_on_battery_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 status; |
| int value; |
| int ret; |
| int tmp; |
| |
| ret = kstrtoint(buf, 0, &value); |
| if (ret) |
| return ret; |
| |
| /* |
| * Set the status of the function: |
| * 0 - Disabled |
| * 1-100 - Enabled |
| */ |
| if (value < 0 || value > 100) |
| return -EINVAL; |
| |
| if (value == 0) { |
| tmp = toshiba->usbsc_bat_level << HCI_MISC_SHIFT; |
| status = tmp | SCI_USB_CHARGE_BAT_LVL_OFF; |
| } else { |
| tmp = value << HCI_MISC_SHIFT; |
| status = tmp | SCI_USB_CHARGE_BAT_LVL_ON; |
| } |
| ret = toshiba_sleep_functions_status_set(toshiba, status); |
| if (ret < 0) |
| return ret; |
| |
| toshiba->usbsc_bat_level = status >> HCI_MISC_SHIFT; |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(sleep_functions_on_battery); |
| |
| static ssize_t usb_rapid_charge_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 state; |
| int ret; |
| |
| ret = toshiba_usb_rapid_charge_get(toshiba, &state); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%d\n", state); |
| } |
| |
| static ssize_t usb_rapid_charge_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int state; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| if (state != 0 && state != 1) |
| return -EINVAL; |
| |
| ret = toshiba_usb_rapid_charge_set(toshiba, state); |
| if (ret) |
| return ret; |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(usb_rapid_charge); |
| |
| static ssize_t usb_sleep_music_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 state; |
| int ret; |
| |
| ret = toshiba_usb_sleep_music_get(toshiba, &state); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%d\n", state); |
| } |
| |
| static ssize_t usb_sleep_music_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int state; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| if (state != 0 && state != 1) |
| return -EINVAL; |
| |
| ret = toshiba_usb_sleep_music_set(toshiba, state); |
| if (ret) |
| return ret; |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(usb_sleep_music); |
| |
| static ssize_t kbd_function_keys_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int mode; |
| int ret; |
| |
| ret = toshiba_function_keys_get(toshiba, &mode); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%d\n", mode); |
| } |
| |
| static ssize_t kbd_function_keys_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int mode; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &mode); |
| if (ret) |
| return ret; |
| /* |
| * Check for the function keys mode where: |
| * 0 - Normal operation (F{1-12} as usual and hotkeys via FN-F{1-12}) |
| * 1 - Special functions (Opposite of the above setting) |
| */ |
| if (mode != 0 && mode != 1) |
| return -EINVAL; |
| |
| ret = toshiba_function_keys_set(toshiba, mode); |
| if (ret) |
| return ret; |
| |
| pr_info("Reboot for changes to KBD Function Keys to take effect"); |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(kbd_function_keys); |
| |
| static ssize_t panel_power_on_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 state; |
| int ret; |
| |
| ret = toshiba_panel_power_on_get(toshiba, &state); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%d\n", state); |
| } |
| |
| static ssize_t panel_power_on_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int state; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| if (state != 0 && state != 1) |
| return -EINVAL; |
| |
| ret = toshiba_panel_power_on_set(toshiba, state); |
| if (ret) |
| return ret; |
| |
| pr_info("Reboot for changes to Panel Power ON to take effect"); |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(panel_power_on); |
| |
| static ssize_t usb_three_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| u32 state; |
| int ret; |
| |
| ret = toshiba_usb_three_get(toshiba, &state); |
| if (ret < 0) |
| return ret; |
| |
| return sprintf(buf, "%d\n", state); |
| } |
| |
| static ssize_t usb_three_store(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| int state; |
| int ret; |
| |
| ret = kstrtoint(buf, 0, &state); |
| if (ret) |
| return ret; |
| /* |
| * Check for USB 3 mode where: |
| * 0 - Disabled (Acts like a USB 2 port, saving power) |
| * 1 - Enabled |
| */ |
| if (state != 0 && state != 1) |
| return -EINVAL; |
| |
| ret = toshiba_usb_three_set(toshiba, state); |
| if (ret) |
| return ret; |
| |
| pr_info("Reboot for changes to USB 3 to take effect"); |
| |
| return count; |
| } |
| static DEVICE_ATTR_RW(usb_three); |
| |
| static struct attribute *toshiba_attributes[] = { |
| &dev_attr_version.attr, |
| &dev_attr_fan.attr, |
| &dev_attr_kbd_backlight_mode.attr, |
| &dev_attr_kbd_type.attr, |
| &dev_attr_available_kbd_modes.attr, |
| &dev_attr_kbd_backlight_timeout.attr, |
| &dev_attr_touchpad.attr, |
| &dev_attr_position.attr, |
| &dev_attr_usb_sleep_charge.attr, |
| &dev_attr_sleep_functions_on_battery.attr, |
| &dev_attr_usb_rapid_charge.attr, |
| &dev_attr_usb_sleep_music.attr, |
| &dev_attr_kbd_function_keys.attr, |
| &dev_attr_panel_power_on.attr, |
| &dev_attr_usb_three.attr, |
| NULL, |
| }; |
| |
| static umode_t toshiba_sysfs_is_visible(struct kobject *kobj, |
| struct attribute *attr, int idx) |
| { |
| struct device *dev = container_of(kobj, struct device, kobj); |
| struct toshiba_acpi_dev *drv = dev_get_drvdata(dev); |
| bool exists = true; |
| |
| if (attr == &dev_attr_fan.attr) |
| exists = (drv->fan_supported) ? true : false; |
| else if (attr == &dev_attr_kbd_backlight_mode.attr) |
| exists = (drv->kbd_illum_supported) ? true : false; |
| else if (attr == &dev_attr_kbd_backlight_timeout.attr) |
| exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false; |
| else if (attr == &dev_attr_touchpad.attr) |
| exists = (drv->touchpad_supported) ? true : false; |
| else if (attr == &dev_attr_position.attr) |
| exists = (drv->accelerometer_supported) ? true : false; |
| else if (attr == &dev_attr_usb_sleep_charge.attr) |
| exists = (drv->usb_sleep_charge_supported) ? true : false; |
| else if (attr == &dev_attr_sleep_functions_on_battery.attr) |
| exists = (drv->usb_sleep_charge_supported) ? true : false; |
| else if (attr == &dev_attr_usb_rapid_charge.attr) |
| exists = (drv->usb_rapid_charge_supported) ? true : false; |
| else if (attr == &dev_attr_usb_sleep_music.attr) |
| exists = (drv->usb_sleep_music_supported) ? true : false; |
| else if (attr == &dev_attr_kbd_function_keys.attr) |
| exists = (drv->kbd_function_keys_supported) ? true : false; |
| else if (attr == &dev_attr_panel_power_on.attr) |
| exists = (drv->panel_power_on_supported) ? true : false; |
| else if (attr == &dev_attr_usb_three.attr) |
| exists = (drv->usb_three_supported) ? true : false; |
| |
| return exists ? attr->mode : 0; |
| } |
| |
| static struct attribute_group toshiba_attr_group = { |
| .is_visible = toshiba_sysfs_is_visible, |
| .attrs = toshiba_attributes, |
| }; |
| |
| /* |
| * Hotkeys |
| */ |
| static int toshiba_acpi_enable_hotkeys(struct toshiba_acpi_dev *dev) |
| { |
| acpi_status status; |
| u32 result; |
| |
| status = acpi_evaluate_object(dev->acpi_dev->handle, |
| "ENAB", NULL, NULL); |
| if (ACPI_FAILURE(status)) |
| return -ENODEV; |
| |
| result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); |
| if (result == TOS_FAILURE) |
| return -EIO; |
| else if (result == TOS_NOT_SUPPORTED) |
| return -ENODEV; |
| |
| return 0; |
| } |
| |
| static void toshiba_acpi_enable_special_functions(struct toshiba_acpi_dev *dev) |
| { |
| u32 result; |
| |
| /* |
| * Re-activate the hotkeys, but this time, we are using the |
| * "Special Functions" mode. |
| */ |
| result = hci_write(dev, HCI_HOTKEY_EVENT, |
| HCI_HOTKEY_SPECIAL_FUNCTIONS); |
| if (result != TOS_SUCCESS) |
| pr_err("Could not enable the Special Function mode\n"); |
| } |
| |
| static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str, |
| struct serio *port) |
| { |
| if (str & I8042_STR_AUXDATA) |
| return false; |
| |
| if (unlikely(data == 0xe0)) |
| return false; |
| |
| if ((data & 0x7f) == TOS1900_FN_SCAN) { |
| schedule_work(&toshiba_acpi->hotkey_work); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static void toshiba_acpi_hotkey_work(struct work_struct *work) |
| { |
| acpi_handle ec_handle = ec_get_handle(); |
| acpi_status status; |
| |
| if (!ec_handle) |
| return; |
| |
| status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL); |
| if (ACPI_FAILURE(status)) |
| pr_err("ACPI NTFY method execution failed\n"); |
| } |
| |
| /* |
| * Returns hotkey scancode, or < 0 on failure. |
| */ |
| static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev) |
| { |
| unsigned long long value; |
| acpi_status status; |
| |
| status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO", |
| NULL, &value); |
| if (ACPI_FAILURE(status)) { |
| pr_err("ACPI INFO method execution failed\n"); |
| return -EIO; |
| } |
| |
| return value; |
| } |
| |
| static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, |
| int scancode) |
| { |
| if (scancode == 0x100) |
| return; |
| |
| /* Act on key press; ignore key release */ |
| if (scancode & 0x80) |
| return; |
| |
| if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true)) |
| pr_info("Unknown key %x\n", scancode); |
| } |
| |
| static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) |
| { |
| u32 hci_result, value; |
| int retries = 3; |
| int scancode; |
| |
| if (dev->info_supported) { |
| scancode = toshiba_acpi_query_hotkey(dev); |
| if (scancode < 0) |
| pr_err("Failed to query hotkey event\n"); |
| else if (scancode != 0) |
| toshiba_acpi_report_hotkey(dev, scancode); |
| } else if (dev->system_event_supported) { |
| do { |
| hci_result = hci_read(dev, HCI_SYSTEM_EVENT, &value); |
| switch (hci_result) { |
| case TOS_SUCCESS: |
| toshiba_acpi_report_hotkey(dev, (int)value); |
| break; |
| case TOS_NOT_SUPPORTED: |
| /* |
| * This is a workaround for an unresolved |
| * issue on some machines where system events |
| * sporadically become disabled. |
| */ |
| hci_result = |
| hci_write(dev, HCI_SYSTEM_EVENT, 1); |
| pr_notice("Re-enabled hotkeys\n"); |
| /* Fall through */ |
| default: |
| retries--; |
| break; |
| } |
| } while (retries && hci_result != TOS_FIFO_EMPTY); |
| } |
| } |
| |
| static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) |
| { |
| const struct key_entry *keymap = toshiba_acpi_keymap; |
| acpi_handle ec_handle; |
| u32 events_type; |
| u32 hci_result; |
| int error; |
| |
| error = toshiba_acpi_enable_hotkeys(dev); |
| if (error) |
| return error; |
| |
| error = toshiba_hotkey_event_type_get(dev, &events_type); |
| if (error) { |
| pr_err("Unable to query Hotkey Event Type\n"); |
| return error; |
| } |
| dev->hotkey_event_type = events_type; |
| |
| dev->hotkey_dev = input_allocate_device(); |
| if (!dev->hotkey_dev) |
| return -ENOMEM; |
| |
| dev->hotkey_dev->name = "Toshiba input device"; |
| dev->hotkey_dev->phys = "toshiba_acpi/input0"; |
| dev->hotkey_dev->id.bustype = BUS_HOST; |
| |
| if (events_type == HCI_SYSTEM_TYPE1 || |
| !dev->kbd_function_keys_supported) |
| keymap = toshiba_acpi_keymap; |
| else if (events_type == HCI_SYSTEM_TYPE2 || |
| dev->kbd_function_keys_supported) |
| keymap = toshiba_acpi_alt_keymap; |
| else |
| pr_info("Unknown event type received %x\n", events_type); |
| error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL); |
| if (error) |
| goto err_free_dev; |
| |
| /* |
| * For some machines the SCI responsible for providing hotkey |
| * notification doesn't fire. We can trigger the notification |
| * whenever the Fn key is pressed using the NTFY method, if |
| * supported, so if it's present set up an i8042 key filter |
| * for this purpose. |
| */ |
| ec_handle = ec_get_handle(); |
| if (ec_handle && acpi_has_method(ec_handle, "NTFY")) { |
| INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work); |
| |
| error = i8042_install_filter(toshiba_acpi_i8042_filter); |
| if (error) { |
| pr_err("Error installing key filter\n"); |
| goto err_free_keymap; |
| } |
| |
| dev->ntfy_supported = 1; |
| } |
| |
| /* |
| * Determine hotkey query interface. Prefer using the INFO |
| * method when it is available. |
| */ |
| if (acpi_has_method(dev->acpi_dev->handle, "INFO")) |
| dev->info_supported = 1; |
| else { |
| hci_result = hci_write(dev, HCI_SYSTEM_EVENT, 1); |
| if (hci_result == TOS_SUCCESS) |
| dev->system_event_supported = 1; |
| } |
| |
| if (!dev->info_supported && !dev->system_event_supported) { |
| pr_warn("No hotkey query interface found\n"); |
| goto err_remove_filter; |
| } |
| |
| error = input_register_device(dev->hotkey_dev); |
| if (error) { |
| pr_info("Unable to register input device\n"); |
| goto err_remove_filter; |
| } |
| |
| return 0; |
| |
| err_remove_filter: |
| if (dev->ntfy_supported) |
| i8042_remove_filter(toshiba_acpi_i8042_filter); |
| err_free_keymap: |
| sparse_keymap_free(dev->hotkey_dev); |
| err_free_dev: |
| input_free_device(dev->hotkey_dev); |
| dev->hotkey_dev = NULL; |
| return error; |
| } |
| |
| static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) |
| { |
| struct backlight_properties props; |
| int brightness; |
| int ret; |
| bool enabled; |
| |
| /* |
| * Some machines don't support the backlight methods at all, and |
| * others support it read-only. Either of these is pretty useless, |
| * so only register the backlight device if the backlight method |
| * supports both reads and writes. |
| */ |
| brightness = __get_lcd_brightness(dev); |
| if (brightness < 0) |
| return 0; |
| ret = set_lcd_brightness(dev, brightness); |
| if (ret) { |
| pr_debug("Backlight method is read-only, disabling backlight support\n"); |
| return 0; |
| } |
| |
| /* Determine whether or not BIOS supports transflective backlight */ |
| ret = get_tr_backlight_status(dev, &enabled); |
| dev->tr_backlight_supported = !ret; |
| |
| /* |
| * Tell acpi-video-detect code to prefer vendor backlight on all |
| * systems with transflective backlight and on dmi matched systems. |
| */ |
| if (dev->tr_backlight_supported || |
| dmi_check_system(toshiba_vendor_backlight_dmi)) |
| acpi_video_set_dmi_backlight_type(acpi_backlight_vendor); |
| |
| if (acpi_video_get_backlight_type() != acpi_backlight_vendor) |
| return 0; |
| |
| memset(&props, 0, sizeof(props)); |
| props.type = BACKLIGHT_PLATFORM; |
| props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; |
| |
| /* Adding an extra level and having 0 change to transflective mode */ |
| if (dev->tr_backlight_supported) |
| props.max_brightness++; |
| |
| dev->backlight_dev = backlight_device_register("toshiba", |
| &dev->acpi_dev->dev, |
| dev, |
| &toshiba_backlight_data, |
| &props); |
| if (IS_ERR(dev->backlight_dev)) { |
| ret = PTR_ERR(dev->backlight_dev); |
| pr_err("Could not register toshiba backlight device\n"); |
| dev->backlight_dev = NULL; |
| return ret; |
| } |
| |
| dev->backlight_dev->props.brightness = brightness; |
| return 0; |
| } |
| |
| static int toshiba_acpi_remove(struct acpi_device *acpi_dev) |
| { |
| struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); |
| |
| remove_toshiba_proc_entries(dev); |
| |
| if (dev->sysfs_created) |
| sysfs_remove_group(&dev->acpi_dev->dev.kobj, |
| &toshiba_attr_group); |
| |
| if (dev->ntfy_supported) { |
| i8042_remove_filter(toshiba_acpi_i8042_filter); |
| cancel_work_sync(&dev->hotkey_work); |
| } |
| |
| if (dev->hotkey_dev) { |
| input_unregister_device(dev->hotkey_dev); |
| sparse_keymap_free(dev->hotkey_dev); |
| } |
| |
| backlight_device_unregister(dev->backlight_dev); |
| |
| if (dev->illumination_supported) |
| led_classdev_unregister(&dev->led_dev); |
| |
| if (dev->kbd_led_registered) |
| led_classdev_unregister(&dev->kbd_led); |
| |
| if (dev->eco_supported) |
| led_classdev_unregister(&dev->eco_led); |
| |
| if (toshiba_acpi) |
| toshiba_acpi = NULL; |
| |
| kfree(dev); |
| |
| return 0; |
| } |
| |
| static const char *find_hci_method(acpi_handle handle) |
| { |
| if (acpi_has_method(handle, "GHCI")) |
| return "GHCI"; |
| |
| if (acpi_has_method(handle, "SPFC")) |
| return "SPFC"; |
| |
| return NULL; |
| } |
| |
| static int toshiba_acpi_add(struct acpi_device *acpi_dev) |
| { |
| struct toshiba_acpi_dev *dev; |
| const char *hci_method; |
| u32 special_functions; |
| u32 dummy; |
| int ret = 0; |
| |
| if (toshiba_acpi) |
| return -EBUSY; |
| |
| pr_info("Toshiba Laptop ACPI Extras version %s\n", |
| TOSHIBA_ACPI_VERSION); |
| |
| hci_method = find_hci_method(acpi_dev->handle); |
| if (!hci_method) { |
| pr_err("HCI interface not found\n"); |
| return -ENODEV; |
| } |
| |
| dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| if (!dev) |
| return -ENOMEM; |
| dev->acpi_dev = acpi_dev; |
| dev->method_hci = hci_method; |
| acpi_dev->driver_data = dev; |
| dev_set_drvdata(&acpi_dev->dev, dev); |
| |
| /* Query the BIOS for supported features */ |
| |
| /* |
| * The "Special Functions" are always supported by the laptops |
| * with the new keyboard layout, query for its presence to help |
| * determine the keymap layout to use. |
| */ |
| ret = toshiba_function_keys_get(dev, &special_functions); |
| dev->kbd_function_keys_supported = !ret; |
| |
| if (toshiba_acpi_setup_keyboard(dev)) |
| pr_info("Unable to activate hotkeys\n"); |
| |
| ret = toshiba_acpi_setup_backlight(dev); |
| if (ret) |
| goto error; |
| |
| if (toshiba_illumination_available(dev)) { |
| dev->led_dev.name = "toshiba::illumination"; |
| dev->led_dev.max_brightness = 1; |
| dev->led_dev.brightness_set = toshiba_illumination_set; |
| dev->led_dev.brightness_get = toshiba_illumination_get; |
| if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev)) |
| dev->illumination_supported = 1; |
| } |
| |
| if (toshiba_eco_mode_available(dev)) { |
| dev->eco_led.name = "toshiba::eco_mode"; |
| dev->eco_led.max_brightness = 1; |
| dev->eco_led.brightness_set = toshiba_eco_mode_set_status; |
| dev->eco_led.brightness_get = toshiba_eco_mode_get_status; |
| if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led)) |
| dev->eco_supported = 1; |
| } |
| |
| dev->kbd_illum_supported = toshiba_kbd_illum_available(dev); |
| /* |
| * Only register the LED if KBD illumination is supported |
| * and the keyboard backlight operation mode is set to FN-Z |
| */ |
| if (dev->kbd_illum_supported && dev->kbd_mode == SCI_KBD_MODE_FNZ) { |
| dev->kbd_led.name = "toshiba::kbd_backlight"; |
| dev->kbd_led.max_brightness = 1; |
| dev->kbd_led.brightness_set = toshiba_kbd_backlight_set; |
| dev->kbd_led.brightness_get = toshiba_kbd_backlight_get; |
| if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led)) |
| dev->kbd_led_registered = 1; |
| } |
| |
| ret = toshiba_touchpad_get(dev, &dummy); |
| dev->touchpad_supported = !ret; |
| |
| ret = toshiba_accelerometer_supported(dev); |
| dev->accelerometer_supported = !ret; |
| |
| toshiba_usb_sleep_charge_available(dev); |
| |
| ret = toshiba_usb_rapid_charge_get(dev, &dummy); |
| dev->usb_rapid_charge_supported = !ret; |
| |
| ret = toshiba_usb_sleep_music_get(dev, &dummy); |
| dev->usb_sleep_music_supported = !ret; |
| |
| ret = toshiba_panel_power_on_get(dev, &dummy); |
| dev->panel_power_on_supported = !ret; |
| |
| ret = toshiba_usb_three_get(dev, &dummy); |
| dev->usb_three_supported = !ret; |
| |
| ret = get_video_status(dev, &dummy); |
| dev->video_supported = !ret; |
| |
| ret = get_fan_status(dev, &dummy); |
| dev->fan_supported = !ret; |
| |
| /* |
| * Enable the "Special Functions" mode only if they are |
| * supported and if they are activated. |
| */ |
| if (dev->kbd_function_keys_supported && special_functions) |
| toshiba_acpi_enable_special_functions(dev); |
| |
| ret = sysfs_create_group(&dev->acpi_dev->dev.kobj, |
| &toshiba_attr_group); |
| if (ret) { |
| dev->sysfs_created = 0; |
| goto error; |
| } |
| dev->sysfs_created = !ret; |
| |
| create_toshiba_proc_entries(dev); |
| |
| toshiba_acpi = dev; |
| |
| return 0; |
| |
| error: |
| toshiba_acpi_remove(acpi_dev); |
| return ret; |
| } |
| |
| static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) |
| { |
| struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); |
| int ret; |
| |
| switch (event) { |
| case 0x80: /* Hotkeys and some system events */ |
| toshiba_acpi_process_hotkeys(dev); |
| break; |
| case 0x81: /* Dock events */ |
| case 0x82: |
| case 0x83: |
| pr_info("Dock event received %x\n", event); |
| break; |
| case 0x88: /* Thermal events */ |
| pr_info("Thermal event received\n"); |
| break; |
| case 0x8f: /* LID closed */ |
| case 0x90: /* LID is closed and Dock has been ejected */ |
| break; |
| case 0x8c: /* SATA power events */ |
| case 0x8b: |
| pr_info("SATA power event received %x\n", event); |
| break; |
| case 0x92: /* Keyboard backlight mode changed */ |
| /* Update sysfs entries */ |
| ret = sysfs_update_group(&acpi_dev->dev.kobj, |
| &toshiba_attr_group); |
| if (ret) |
| pr_err("Unable to update sysfs entries\n"); |
| break; |
| case 0x85: /* Unknown */ |
| case 0x8d: /* Unknown */ |
| case 0x8e: /* Unknown */ |
| case 0x94: /* Unknown */ |
| case 0x95: /* Unknown */ |
| default: |
| pr_info("Unknown event received %x\n", event); |
| break; |
| } |
| |
| acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class, |
| dev_name(&acpi_dev->dev), |
| event, 0); |
| } |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int toshiba_acpi_suspend(struct device *device) |
| { |
| struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); |
| u32 result; |
| |
| if (dev->hotkey_dev) |
| result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE); |
| |
| return 0; |
| } |
| |
| static int toshiba_acpi_resume(struct device *device) |
| { |
| struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); |
| int error; |
| |
| if (dev->hotkey_dev) { |
| error = toshiba_acpi_enable_hotkeys(dev); |
| if (error) |
| pr_info("Unable to re-enable hotkeys\n"); |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm, |
| toshiba_acpi_suspend, toshiba_acpi_resume); |
| |
| static struct acpi_driver toshiba_acpi_driver = { |
| .name = "Toshiba ACPI driver", |
| .owner = THIS_MODULE, |
| .ids = toshiba_device_ids, |
| .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
| .ops = { |
| .add = toshiba_acpi_add, |
| .remove = toshiba_acpi_remove, |
| .notify = toshiba_acpi_notify, |
| }, |
| .drv.pm = &toshiba_acpi_pm, |
| }; |
| |
| static int __init toshiba_acpi_init(void) |
| { |
| int ret; |
| |
| /* |
| * Machines with this WMI guid aren't supported due to bugs in |
| * their AML. This check relies on wmi initializing before |
| * toshiba_acpi to guarantee guids have been identified. |
| */ |
| if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) |
| return -ENODEV; |
| |
| toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir); |
| if (!toshiba_proc_dir) { |
| pr_err("Unable to create proc dir " PROC_TOSHIBA "\n"); |
| return -ENODEV; |
| } |
| |
| ret = acpi_bus_register_driver(&toshiba_acpi_driver); |
| if (ret) { |
| pr_err("Failed to register ACPI driver: %d\n", ret); |
| remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); |
| } |
| |
| return ret; |
| } |
| |
| static void __exit toshiba_acpi_exit(void) |
| { |
| acpi_bus_unregister_driver(&toshiba_acpi_driver); |
| if (toshiba_proc_dir) |
| remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); |
| } |
| |
| module_init(toshiba_acpi_init); |
| module_exit(toshiba_acpi_exit); |