| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Azael Avalos | 11027 | 75.41% | 75 | 55.97% |
| Seth Forshee | 1444 | 9.87% | 9 | 6.72% |
| Andy Grover | 652 | 4.46% | 5 | 3.73% |
| Alexey Dobriyan | 398 | 2.72% | 1 | 0.75% |
| Matthew Garrett | 286 | 1.96% | 3 | 2.24% |
| Pierre Ducroquet | 159 | 1.09% | 1 | 0.75% |
| Takashi Iwai | 101 | 0.69% | 1 | 0.75% |
| Akio Idehara | 89 | 0.61% | 1 | 0.75% |
| Philip Langdale | 81 | 0.55% | 1 | 0.75% |
| Dmitry Torokhov | 62 | 0.42% | 1 | 0.75% |
| Holger Macht | 50 | 0.34% | 1 | 0.75% |
| Hans de Goede | 45 | 0.31% | 2 | 1.49% |
| Andrey Borzenkov | 35 | 0.24% | 2 | 1.49% |
| Rafael J. Wysocki | 32 | 0.22% | 2 | 1.49% |
| Rui Zhang | 19 | 0.13% | 3 | 2.24% |
| Darren Hart | 18 | 0.12% | 1 | 0.75% |
| Al Viro | 16 | 0.11% | 3 | 2.24% |
| Johannes Berg | 14 | 0.10% | 1 | 0.75% |
| Benjamin Tissoires | 11 | 0.08% | 1 | 0.75% |
| Unai Uribarri | 10 | 0.07% | 1 | 0.75% |
| Jon Dowland | 10 | 0.07% | 1 | 0.75% |
| John Belmonte | 10 | 0.07% | 1 | 0.75% |
| Joe Perches | 9 | 0.06% | 1 | 0.75% |
| Ondrej Zary | 6 | 0.04% | 1 | 0.75% |
| Dan Carpenter | 6 | 0.04% | 2 | 1.49% |
| Geliang Tang | 6 | 0.04% | 1 | 0.75% |
| Len Brown | 5 | 0.03% | 2 | 1.49% |
| Aristeu Sergio Rozanski Filho | 4 | 0.03% | 1 | 0.75% |
| Randy Dunlap | 4 | 0.03% | 1 | 0.75% |
| Matthijs van Otterdijk | 3 | 0.02% | 1 | 0.75% |
| Tejun Heo | 3 | 0.02% | 1 | 0.75% |
| Christoph Hellwig | 2 | 0.01% | 1 | 0.75% |
| Thomas Gleixner | 2 | 0.01% | 1 | 0.75% |
| Michał Kępień | 1 | 0.01% | 1 | 0.75% |
| Giedrius Statkevičius | 1 | 0.01% | 1 | 0.75% |
| Arvind Yadav | 1 | 0.01% | 1 | 0.75% |
| Lv Zheng | 1 | 0.01% | 1 | 0.75% |
| Total | 14623 | 134 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * 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) 2014-2016 Azael Avalos * * 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 "0.24" #define PROC_INTERFACE_VERSION 1 #include <linux/compiler.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.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 <linux/miscdevice.h> #include <linux/rfkill.h> #include <linux/iio/iio.h> #include <linux/toshiba.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_SUCCESS2 0x0001 #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_COOLING_METHOD 0x007f #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_ACCEL_DIRECTION_MASK 0x8000 #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 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 HCI_WIRELESS_STATUS 0x1 #define HCI_WIRELESS_WWAN 0x3 #define HCI_WIRELESS_WWAN_STATUS 0x2000 #define HCI_WIRELESS_WWAN_POWER 0x4000 #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; struct miscdevice miscdev; struct rfkill *wwan_rfk; struct iio_dev *indio_dev; 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; int max_cooling_method; 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 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 wwan_supported:1; unsigned int cooling_method_supported:1; unsigned int sysfs_created:1; unsigned int special_functions; bool kbd_event_generated; bool kbd_led_registered; bool illumination_led_registered; bool eco_led_registered; bool killswitch; }; static struct toshiba_acpi_dev *toshiba_acpi; static bool disable_hotkeys; module_param(disable_hotkeys, bool, 0444); MODULE_PARM_DESC(disable_hotkeys, "Disables the hotkeys activation"); 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, 0x102, { KEY_ZOOMOUT } }, { KE_KEY, 0x103, { KEY_ZOOMIN } }, { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, { KE_KEY, 0x139, { KEY_ZOOMRESET } }, { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } }, { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } }, { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } }, { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } }, { KE_KEY, 0x157, { KEY_MUTE } }, { KE_KEY, 0x158, { KEY_WLAN } }, { 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]) { union acpi_object in_objs[TCI_WORDS], out_objs[TCI_WORDS + 1]; struct acpi_object_list params; struct acpi_buffer results; 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 = 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 = 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 void 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; dev->illumination_supported = 0; dev->illumination_led_registered = false; if (!sci_open(dev)) return; status = tci_raw(dev, in, out); sci_close(dev); if (ACPI_FAILURE(status)) { pr_err("ACPI call to query Illumination support failed\n"); return; } if (out[0] != TOS_SUCCESS) return; dev->illumination_supported = 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 result; u32 state; /* 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"); } 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 result; u32 state; /* 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) { pr_err("ACPI call for illumination failed\n"); return LED_OFF; } else if (result != TOS_SUCCESS) { return LED_OFF; } return state ? LED_FULL : LED_OFF; } /* KBD Illumination */ static void 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; dev->kbd_illum_supported = 0; dev->kbd_led_registered = false; dev->kbd_event_generated = false; if (!sci_open(dev)) return; status = tci_raw(dev, in, out); sci_close(dev); if (ACPI_FAILURE(status)) { pr_err("ACPI call to query kbd illumination support failed\n"); return; } if (out[0] != TOS_SUCCESS) return; /* * 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; /* Flag as supported */ dev->kbd_illum_supported = 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) pr_err("ACPI call to set KBD backlight status failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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) pr_err("ACPI call to get KBD backlight status failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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 result; u32 state; /* Check the keyboard backlight state */ result = hci_read(dev, HCI_KBD_ILLUMINATION, &state); if (result == TOS_FAILURE) { pr_err("ACPI call to get the keyboard backlight failed\n"); return LED_OFF; } else if (result != TOS_SUCCESS) { 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 result; u32 state; /* Set the keyboard backlight state */ state = brightness ? 1 : 0; result = hci_write(dev, HCI_KBD_ILLUMINATION, state); if (result == TOS_FAILURE) pr_err("ACPI call to set KBD Illumination mode failed\n"); } /* 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } /* Eco Mode support */ static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; dev->eco_supported = 0; dev->eco_led_registered = false; status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get ECO led failed\n"); return; } 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)) { pr_err("ACPI call to get ECO led failed\n"); return; } if (out[0] != TOS_SUCCESS) return; dev->eco_supported = 1; } } 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)) { pr_err("ACPI call to get ECO led failed\n"); return LED_OFF; } if (out[0] != TOS_SUCCESS) 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)) pr_err("ACPI call to set ECO led failed\n"); } /* Accelerometer support */ static void toshiba_accelerometer_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; dev->accelerometer_supported = 0; /* * Check if the accelerometer call exists, * this call also serves as initialization */ status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to query the accelerometer failed\n"); return; } if (out[0] != TOS_SUCCESS) return; dev->accelerometer_supported = 1; } 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)) { pr_err("ACPI call to query the accelerometer failed\n"); return -EIO; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; if (out[0] != TOS_SUCCESS) 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; 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; } if (out[0] != TOS_SUCCESS) { sci_close(dev); return; } dev->usbsc_mode_base = out[4]; 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 Sleep and Charge mode failed\n"); return; } if (out[0] != TOS_SUCCESS) return; dev->usbsc_bat_level = out[2]; /* Flag as supported */ dev->usb_sleep_charge_supported = 1; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; if (out[0] != TOS_SUCCESS) 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; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; return out[0] == TOS_SUCCESS ? 0 : -EIO; } 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; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2) return -EIO; *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; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; return (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) ? 0 : -EIO; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } /* 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) pr_err("ACPI call to get KBD function keys failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } 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) pr_err("ACPI call to set KBD function keys failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } /* 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } /* 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } 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"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } /* 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; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; if (out[0] != TOS_SUCCESS) return -EIO; *type = out[3]; return 0; } /* Wireless status (RFKill, WLAN, BT, WWAN) */ static int toshiba_wireless_status(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; in[3] = HCI_WIRELESS_STATUS; status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get Wireless status failed\n"); return -EIO; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; if (out[0] != TOS_SUCCESS) return -EIO; dev->killswitch = !!(out[2] & HCI_WIRELESS_STATUS); return 0; } /* WWAN */ static void toshiba_wwan_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; dev->wwan_supported = 0; /* * WWAN support can be queried by setting the in[3] value to * HCI_WIRELESS_WWAN (0x03). * * If supported, out[0] contains TOS_SUCCESS and out[2] contains * HCI_WIRELESS_WWAN_STATUS (0x2000). * * If not supported, out[0] contains TOS_INPUT_DATA_ERROR (0x8300) * or TOS_NOT_SUPPORTED (0x8000). */ in[3] = HCI_WIRELESS_WWAN; status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get WWAN status failed\n"); return; } if (out[0] != TOS_SUCCESS) return; dev->wwan_supported = (out[2] == HCI_WIRELESS_WWAN_STATUS); } static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state) { u32 in[TCI_WORDS] = { HCI_SET, HCI_WIRELESS, state, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; in[3] = HCI_WIRELESS_WWAN_STATUS; status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to set WWAN status failed\n"); return -EIO; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; if (out[0] != TOS_SUCCESS) return -EIO; /* * Some devices only need to call HCI_WIRELESS_WWAN_STATUS to * (de)activate the device, but some others need the * HCI_WIRELESS_WWAN_POWER call as well. */ in[3] = HCI_WIRELESS_WWAN_POWER; status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to set WWAN power failed\n"); return -EIO; } if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; return out[0] == TOS_SUCCESS ? 0 : -EIO; } /* Cooling Method */ static void toshiba_cooling_method_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { HCI_GET, HCI_COOLING_METHOD, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; dev->cooling_method_supported = 0; dev->max_cooling_method = 0; status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get Cooling Method failed\n"); return; } if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2) return; dev->cooling_method_supported = 1; dev->max_cooling_method = out[3]; } static int toshiba_cooling_method_get(struct toshiba_acpi_dev *dev, u32 *state) { u32 result = hci_read(dev, HCI_COOLING_METHOD, state); if (result == TOS_FAILURE) pr_err("ACPI call to get Cooling Method failed\n"); if (result == TOS_NOT_SUPPORTED) return -ENODEV; return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } static int toshiba_cooling_method_set(struct toshiba_acpi_dev *dev, u32 state) { u32 result = hci_write(dev, HCI_COOLING_METHOD, state); if (result == TOS_FAILURE) pr_err("ACPI call to set Cooling Method failed\n"); if (result == TOS_NOT_SUPPORTED) return -ENODEV; return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } /* Transflective Backlight */ static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 *status) { u32 result = hci_read(dev, HCI_TR_BACKLIGHT, status); if (result == TOS_FAILURE) pr_err("ACPI call to get Transflective Backlight failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 status) { u32 result = hci_write(dev, HCI_TR_BACKLIGHT, !status); if (result == TOS_FAILURE) pr_err("ACPI call to set Transflective Backlight failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return 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) { int brightness = 0; u32 result; u32 value; if (dev->tr_backlight_supported) { int ret = get_tr_backlight_status(dev, &value); if (ret) return ret; if (value) return 0; brightness++; } result = hci_read(dev, HCI_LCD_BRIGHTNESS, &value); if (result == TOS_FAILURE) pr_err("ACPI call to get LCD Brightness failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT) : -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 levels; int value; if (!dev->backlight_dev) return -ENODEV; levels = dev->backlight_dev->props.max_brightness + 1; value = get_lcd_brightness(dev->backlight_dev); if (value < 0) { pr_err("Error reading LCD brightness\n"); return value; } seq_printf(m, "brightness: %d\n", value); seq_printf(m, "brightness_levels: %d\n", levels); return 0; } 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 result; if (dev->tr_backlight_supported) { int ret = set_tr_backlight_status(dev, !value); if (ret) return ret; if (value) value--; } value = value << HCI_LCD_BRIGHTNESS_SHIFT; result = hci_write(dev, HCI_LCD_BRIGHTNESS, value); if (result == TOS_FAILURE) pr_err("ACPI call to set LCD Brightness failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return 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 levels; int value; len = min(count, sizeof(cmd) - 1); if (copy_from_user(cmd, buf, len)) return -EFAULT; cmd[len] = '\0'; levels = dev->backlight_dev->props.max_brightness + 1; if (sscanf(cmd, " brightness : %i", &value) != 1 && value < 0 && value > levels) return -EINVAL; if (set_lcd_brightness(dev, value)) return -EIO; return count; } 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, }; /* Video-Out */ static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status) { u32 result = hci_read(dev, HCI_VIDEO_OUT, status); if (result == TOS_FAILURE) pr_err("ACPI call to get Video-Out failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } static int video_proc_show(struct seq_file *m, void *v) { struct toshiba_acpi_dev *dev = m->private; int is_lcd, is_crt, is_tv; u32 value; if (get_video_status(dev, &value)) return -EIO; is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0; is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0; 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 0; } 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 *buffer; char *cmd; int lcd_out, crt_out, tv_out; int remain = count; int value; int ret; u32 video_out; cmd = memdup_user_nul(buf, count); if (IS_ERR(cmd)) return PTR_ERR(cmd); 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); lcd_out = crt_out = tv_out = -1; 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 ? -EIO : 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, }; /* Fan status */ static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status) { u32 result = hci_read(dev, HCI_FAN, status); if (result == TOS_FAILURE) pr_err("ACPI call to get Fan status failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } static int set_fan_status(struct toshiba_acpi_dev *dev, u32 status) { u32 result = hci_write(dev, HCI_FAN, status); if (result == TOS_FAILURE) pr_err("ACPI call to set Fan status failed\n"); else if (result == TOS_NOT_SUPPORTED) return -ENODEV; return result == TOS_SUCCESS ? 0 : -EIO; } static int fan_proc_show(struct seq_file *m, void *v) { struct toshiba_acpi_dev *dev = m->private; u32 value; if (get_fan_status(dev, &value)) return -EIO; seq_printf(m, "running: %d\n", (value > 0)); seq_printf(m, "force_on: %d\n", dev->force_fan); return 0; } 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; 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) return -EINVAL; if (set_fan_status(dev, value)) return -EIO; dev->force_fan = value; 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; 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 __maybe_unused 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; } /* * 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_single_data("version", S_IRUGO, toshiba_proc_dir, version_proc_show, 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, }; /* Keyboard backlight work */ static void toshiba_acpi_kbd_bl_work(struct work_struct *work); static DECLARE_WORK(kbd_bl_work, toshiba_acpi_kbd_bl_work); /* * 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); int state; int ret; ret = kstrtoint(buf, 0, &state); if (ret) return ret; if (state != 0 && state != 1) return -EINVAL; ret = set_fan_status(toshiba, state); if (ret) return ret; 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 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) */ int 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; toshiba_acpi->kbd_mode = mode; /* * Some laptop models with the second generation backlit * keyboard (type 2) do not generate the keyboard backlight * changed event (0x92), and thus, the driver will never update * the sysfs entries. * * The event is generated right when changing the keyboard * backlight mode and the *notify function will set the * kbd_event_generated to true. * * In case the event is not generated, schedule the keyboard * backlight work to update the sysfs entries and emulate the * event via genetlink. */ if (toshiba->kbd_type == 2 && !toshiba->kbd_event_generated) schedule_work(&kbd_bl_work); } 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, "0x%x 0x%x\n", SCI_KBD_MODE_FNZ, SCI_KBD_MODE_AUTO); return sprintf(buf, "0x%x 0x%x 0x%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 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); int state; u32 mode; 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); int bat_lvl, status; u32 state; 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 ssize_t cooling_method_show(struct device *dev, struct device_attribute *attr, char *buf) { struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); int state; int ret; ret = toshiba_cooling_method_get(toshiba, &state); if (ret < 0) return ret; return sprintf(buf, "%d %d\n", state, toshiba->max_cooling_method); } static ssize_t cooling_method_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 supported values * Depending on the laptop model, some only support these two: * 0 - Maximum Performance * 1 - Battery Optimized * * While some others support all three methods: * 0 - Maximum Performance * 1 - Performance * 2 - Battery Optimized */ if (state < 0 || state > toshiba->max_cooling_method) return -EINVAL; ret = toshiba_cooling_method_set(toshiba, state); if (ret) return ret; return count; } static DEVICE_ATTR_RW(cooling_method); 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_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, &dev_attr_cooling_method.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_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; else if (attr == &dev_attr_cooling_method.attr) exists = (drv->cooling_method_supported) ? true : false; return exists ? attr->mode : 0; } static const struct attribute_group toshiba_attr_group = { .is_visible = toshiba_sysfs_is_visible, .attrs = toshiba_attributes, }; static void toshiba_acpi_kbd_bl_work(struct work_struct *work) { /* Update the sysfs entries */ if (sysfs_update_group(&toshiba_acpi->acpi_dev->dev.kobj, &toshiba_attr_group)) pr_err("Unable to update sysfs entries\n"); /* Notify LED subsystem about keyboard backlight change */ if (toshiba_acpi->kbd_type == 2 && toshiba_acpi->kbd_mode != SCI_KBD_MODE_AUTO) led_classdev_notify_brightness_hw_changed(&toshiba_acpi->kbd_led, (toshiba_acpi->kbd_mode == SCI_KBD_MODE_ON) ? LED_FULL : LED_OFF); /* Emulate the keyboard backlight event */ acpi_bus_generate_netlink_event(toshiba_acpi->acpi_dev->pnp.device_class, dev_name(&toshiba_acpi->acpi_dev->dev), 0x92, 0); } /* * IIO device */ enum toshiba_iio_accel_chan { AXIS_X, AXIS_Y, AXIS_Z }; static int toshiba_iio_accel_get_axis(enum toshiba_iio_accel_chan chan) { u32 xyval, zval; int ret; ret = toshiba_accelerometer_get(toshiba_acpi, &xyval, &zval); if (ret < 0) return ret; switch (chan) { case AXIS_X: return xyval & HCI_ACCEL_DIRECTION_MASK ? -(xyval & HCI_ACCEL_MASK) : xyval & HCI_ACCEL_MASK; case AXIS_Y: return (xyval >> HCI_MISC_SHIFT) & HCI_ACCEL_DIRECTION_MASK ? -((xyval >> HCI_MISC_SHIFT) & HCI_ACCEL_MASK) : (xyval >> HCI_MISC_SHIFT) & HCI_ACCEL_MASK; case AXIS_Z: return zval & HCI_ACCEL_DIRECTION_MASK ? -(zval & HCI_ACCEL_MASK) : zval & HCI_ACCEL_MASK; } return ret; } static int toshiba_iio_accel_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { int ret; switch (mask) { case IIO_CHAN_INFO_RAW: ret = toshiba_iio_accel_get_axis(chan->channel); if (ret == -EIO || ret == -ENODEV) return ret; *val = ret; return IIO_VAL_INT; } return -EINVAL; } #define TOSHIBA_IIO_ACCEL_CHANNEL(axis, chan) { \ .type = IIO_ACCEL, \ .modified = 1, \ .channel = chan, \ .channel2 = IIO_MOD_##axis, \ .output = 1, \ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ } static const struct iio_chan_spec toshiba_iio_accel_channels[] = { TOSHIBA_IIO_ACCEL_CHANNEL(X, AXIS_X), TOSHIBA_IIO_ACCEL_CHANNEL(Y, AXIS_Y), TOSHIBA_IIO_ACCEL_CHANNEL(Z, AXIS_Z), }; static const struct iio_info toshiba_iio_accel_info = { .read_raw = &toshiba_iio_accel_read_raw, }; /* * Misc device */ static int toshiba_acpi_smm_bridge(SMMRegisters *regs) { u32 in[TCI_WORDS] = { regs->eax, regs->ebx, regs->ecx, regs->edx, regs->esi, regs->edi }; u32 out[TCI_WORDS]; acpi_status status; status = tci_raw(toshiba_acpi, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to query SMM registers failed\n"); return -EIO; } /* Fillout the SMM struct with the TCI call results */ regs->eax = out[0]; regs->ebx = out[1]; regs->ecx = out[2]; regs->edx = out[3]; regs->esi = out[4]; regs->edi = out[5]; return 0; } static long toshiba_acpi_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) { SMMRegisters __user *argp = (SMMRegisters __user *)arg; SMMRegisters regs; int ret; if (!argp) return -EINVAL; switch (cmd) { case TOSH_SMM: if (copy_from_user(®s, argp, sizeof(SMMRegisters))) return -EFAULT; ret = toshiba_acpi_smm_bridge(®s); if (ret) return ret; if (copy_to_user(argp, ®s, sizeof(SMMRegisters))) return -EFAULT; break; case TOSHIBA_ACPI_SCI: if (copy_from_user(®s, argp, sizeof(SMMRegisters))) return -EFAULT; /* Ensure we are being called with a SCI_{GET, SET} register */ if (regs.eax != SCI_GET && regs.eax != SCI_SET) return -EINVAL; if (!sci_open(toshiba_acpi)) return -EIO; ret = toshiba_acpi_smm_bridge(®s); sci_close(toshiba_acpi); if (ret) return ret; if (copy_to_user(argp, ®s, sizeof(SMMRegisters))) return -EFAULT; break; default: return -EINVAL; } return 0; } static const struct file_operations toshiba_acpi_fops = { .owner = THIS_MODULE, .unlocked_ioctl = toshiba_acpi_ioctl, .llseek = noop_llseek, }; /* * WWAN RFKill handlers */ static int toshiba_acpi_wwan_set_block(void *data, bool blocked) { struct toshiba_acpi_dev *dev = data; int ret; ret = toshiba_wireless_status(dev); if (ret) return ret; if (!dev->killswitch) return 0; return toshiba_wwan_set(dev, !blocked); } static void toshiba_acpi_wwan_poll(struct rfkill *rfkill, void *data) { struct toshiba_acpi_dev *dev = data; if (toshiba_wireless_status(dev)) return; rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch); } static const struct rfkill_ops wwan_rfk_ops = { .set_block = toshiba_acpi_wwan_set_block, .poll = toshiba_acpi_wwan_poll, }; static int toshiba_acpi_setup_wwan_rfkill(struct toshiba_acpi_dev *dev) { int ret = toshiba_wireless_status(dev); if (ret) return ret; dev->wwan_rfk = rfkill_alloc("Toshiba WWAN", &dev->acpi_dev->dev, RFKILL_TYPE_WWAN, &wwan_rfk_ops, dev); if (!dev->wwan_rfk) { pr_err("Unable to allocate WWAN rfkill device\n"); return -ENOMEM; } rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch); ret = rfkill_register(dev->wwan_rfk); if (ret) { pr_err("Unable to register WWAN rfkill device\n"); rfkill_destroy(dev->wwan_rfk); } return ret; } /* * 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; /* * Enable the "Special Functions" mode only if they are * supported and if they are activated. */ if (dev->kbd_function_keys_supported && dev->special_functions) result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_SPECIAL_FUNCTIONS); else 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 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) { if (dev->info_supported) { int 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); dev->key_event_valid = 1; dev->last_key_event = scancode; } } else if (dev->system_event_supported) { u32 result; u32 value; int retries = 3; do { result = hci_read(dev, HCI_SYSTEM_EVENT, &value); switch (result) { case TOS_SUCCESS: toshiba_acpi_report_hotkey(dev, (int)value); dev->key_event_valid = 1; dev->last_key_event = value; break; case TOS_NOT_SUPPORTED: /* * This is a workaround for an unresolved * issue on some machines where system events * sporadically become disabled. */ result = hci_write(dev, HCI_SYSTEM_EVENT, 1); if (result == TOS_SUCCESS) pr_notice("Re-enabled hotkeys\n"); /* Fall through */ default: retries--; break; } } while (retries && 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; int error; if (disable_hotkeys) { pr_info("Hotkeys disabled by module parameter\n"); return 0; } if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) { pr_info("WMI event detected, hotkeys will not be monitored\n"); return 0; } error = toshiba_acpi_enable_hotkeys(dev); if (error) return error; if (toshiba_hotkey_event_type_get(dev, &dev->hotkey_event_type)) pr_notice("Unable to query Hotkey Event Type\n"); 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 (dev->hotkey_event_type == HCI_SYSTEM_TYPE1 || !dev->kbd_function_keys_supported) keymap = toshiba_acpi_keymap; else if (dev->hotkey_event_type == HCI_SYSTEM_TYPE2 || dev->kbd_function_keys_supported) keymap = toshiba_acpi_alt_keymap; else pr_info("Unknown event type received %x\n", dev->hotkey_event_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_dev; } 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 if (hci_write(dev, HCI_SYSTEM_EVENT, 1) == 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_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; /* * 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; /* * If transflective backlight is supported and the brightness is zero * (lowest brightness level), the set_lcd_brightness function will * activate the transflective backlight, making the LCD appear to be * turned off, simply increment the brightness level to avoid that. */ if (dev->tr_backlight_supported && brightness == 0) brightness++; ret = set_lcd_brightness(dev, brightness); if (ret) { pr_debug("Backlight method is read-only, disabling backlight support\n"); return 0; } /* * 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 void print_supported_features(struct toshiba_acpi_dev *dev) { pr_info("Supported laptop features:"); if (dev->hotkey_dev) pr_cont(" hotkeys"); if (dev->backlight_dev) pr_cont(" backlight"); if (dev->video_supported) pr_cont(" video-out"); if (dev->fan_supported) pr_cont(" fan"); if (dev->tr_backlight_supported) pr_cont(" transflective-backlight"); if (dev->illumination_supported) pr_cont(" illumination"); if (dev->kbd_illum_supported) pr_cont(" keyboard-backlight"); if (dev->touchpad_supported) pr_cont(" touchpad"); if (dev->eco_supported) pr_cont(" eco-led"); if (dev->accelerometer_supported) pr_cont(" accelerometer-axes"); if (dev->usb_sleep_charge_supported) pr_cont(" usb-sleep-charge"); if (dev->usb_rapid_charge_supported) pr_cont(" usb-rapid-charge"); if (dev->usb_sleep_music_supported) pr_cont(" usb-sleep-music"); if (dev->kbd_function_keys_supported) pr_cont(" special-function-keys"); if (dev->panel_power_on_supported) pr_cont(" panel-power-on"); if (dev->usb_three_supported) pr_cont(" usb3"); if (dev->wwan_supported) pr_cont(" wwan"); if (dev->cooling_method_supported) pr_cont(" cooling-method"); pr_cont("\n"); } static int toshiba_acpi_remove(struct acpi_device *acpi_dev) { struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); misc_deregister(&dev->miscdev); remove_toshiba_proc_entries(dev); if (dev->accelerometer_supported && dev->indio_dev) { iio_device_unregister(dev->indio_dev); iio_device_free(dev->indio_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); backlight_device_unregister(dev->backlight_dev); if (dev->illumination_led_registered) led_classdev_unregister(&dev->led_dev); if (dev->kbd_led_registered) led_classdev_unregister(&dev->kbd_led); if (dev->eco_led_registered) led_classdev_unregister(&dev->eco_led); if (dev->wwan_rfk) { rfkill_unregister(dev->wwan_rfk); rfkill_destroy(dev->wwan_rfk); } 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 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; dev->miscdev.minor = MISC_DYNAMIC_MINOR; dev->miscdev.name = "toshiba_acpi"; dev->miscdev.fops = &toshiba_acpi_fops; ret = misc_register(&dev->miscdev); if (ret) { pr_err("Failed to register miscdevice\n"); kfree(dev); return ret; } 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, &dev->special_functions); dev->kbd_function_keys_supported = !ret; dev->hotkey_event_type = 0; if (toshiba_acpi_setup_keyboard(dev)) pr_info("Unable to activate hotkeys\n"); /* Determine whether or not BIOS supports transflective backlight */ ret = get_tr_backlight_status(dev, &dummy); dev->tr_backlight_supported = !ret; ret = toshiba_acpi_setup_backlight(dev); if (ret) goto error; toshiba_illumination_available(dev); if (dev->illumination_supported) { 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_led_registered = true; } toshiba_eco_mode_available(dev); if (dev->eco_supported) { 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_led_registered = true; } 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 * or we detect a second gen keyboard backlight */ if (dev->kbd_illum_supported && (dev->kbd_mode == SCI_KBD_MODE_FNZ || dev->kbd_type == 2)) { dev->kbd_led.name = "toshiba::kbd_backlight"; dev->kbd_led.flags = LED_BRIGHT_HW_CHANGED; 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 = true; } ret = toshiba_touchpad_get(dev, &dummy); dev->touchpad_supported = !ret; toshiba_accelerometer_available(dev); if (dev->accelerometer_supported) { dev->indio_dev = iio_device_alloc(sizeof(*dev)); if (!dev->indio_dev) { pr_err("Unable to allocate iio device\n"); goto iio_error; } pr_info("Registering Toshiba accelerometer iio device\n"); dev->indio_dev->info = &toshiba_iio_accel_info; dev->indio_dev->name = "Toshiba accelerometer"; dev->indio_dev->dev.parent = &acpi_dev->dev; dev->indio_dev->modes = INDIO_DIRECT_MODE; dev->indio_dev->channels = toshiba_iio_accel_channels; dev->indio_dev->num_channels = ARRAY_SIZE(toshiba_iio_accel_channels); ret = iio_device_register(dev->indio_dev); if (ret < 0) { pr_err("Unable to register iio device\n"); iio_device_free(dev->indio_dev); } } iio_error: 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; toshiba_wwan_available(dev); if (dev->wwan_supported) toshiba_acpi_setup_wwan_rfkill(dev); toshiba_cooling_method_available(dev); print_supported_features(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); switch (event) { case 0x80: /* Hotkeys and some system events */ /* * Machines with this WMI GUID aren't supported due to bugs in * their AML. * * Return silently to avoid triggering a netlink event. */ if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) return; 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 */ dev->kbd_event_generated = true; /* Update sysfs entries */ if (sysfs_update_group(&acpi_dev->dev.kobj, &toshiba_attr_group)) pr_err("Unable to update sysfs entries\n"); /* Notify LED subsystem about keyboard backlight change */ if (dev->kbd_type == 2 && dev->kbd_mode != SCI_KBD_MODE_AUTO) led_classdev_notify_brightness_hw_changed(&dev->kbd_led, (dev->kbd_mode == SCI_KBD_MODE_ON) ? LED_FULL : LED_OFF); 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, (event == 0x80) ? dev->last_key_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)); if (dev->hotkey_dev) { u32 result; result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE); if (result != TOS_SUCCESS) pr_info("Unable to disable hotkeys\n"); } return 0; } static int toshiba_acpi_resume(struct device *device) { struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); if (dev->hotkey_dev) { if (toshiba_acpi_enable_hotkeys(dev)) pr_info("Unable to re-enable hotkeys\n"); } if (dev->wwan_rfk) { if (!toshiba_wireless_status(dev)) rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch); } 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; 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);
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