| 1 | /* |
| 2 | * toshiba_acpi.c - Toshiba Laptop ACPI Extras |
| 3 | * |
| 4 | * Copyright (C) 2002-2004 John Belmonte |
| 5 | * Copyright (C) 2008 Philip Langdale |
| 6 | * Copyright (C) 2010 Pierre Ducroquet |
| 7 | * Copyright (C) 2014-2015 Azael Avalos |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * The full GNU General Public License is included in this distribution in |
| 20 | * the file called "COPYING". |
| 21 | * |
| 22 | * The devolpment page for this driver is located at |
| 23 | * http://memebeam.org/toys/ToshibaAcpiDriver. |
| 24 | * |
| 25 | * Credits: |
| 26 | * Jonathan A. Buzzard - Toshiba HCI info, and critical tips on reverse |
| 27 | * engineering the Windows drivers |
| 28 | * Yasushi Nagato - changes for linux kernel 2.4 -> 2.5 |
| 29 | * Rob Miller - TV out and hotkeys help |
| 30 | */ |
| 31 | |
| 32 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 33 | |
| 34 | #define TOSHIBA_ACPI_VERSION "0.23" |
| 35 | #define PROC_INTERFACE_VERSION 1 |
| 36 | |
| 37 | #include <linux/kernel.h> |
| 38 | #include <linux/module.h> |
| 39 | #include <linux/moduleparam.h> |
| 40 | #include <linux/init.h> |
| 41 | #include <linux/types.h> |
| 42 | #include <linux/proc_fs.h> |
| 43 | #include <linux/seq_file.h> |
| 44 | #include <linux/backlight.h> |
| 45 | #include <linux/input.h> |
| 46 | #include <linux/input/sparse-keymap.h> |
| 47 | #include <linux/leds.h> |
| 48 | #include <linux/slab.h> |
| 49 | #include <linux/workqueue.h> |
| 50 | #include <linux/i8042.h> |
| 51 | #include <linux/acpi.h> |
| 52 | #include <linux/dmi.h> |
| 53 | #include <linux/uaccess.h> |
| 54 | #include <linux/miscdevice.h> |
| 55 | #include <linux/rfkill.h> |
| 56 | #include <linux/toshiba.h> |
| 57 | #include <acpi/video.h> |
| 58 | |
| 59 | MODULE_AUTHOR("John Belmonte"); |
| 60 | MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver"); |
| 61 | MODULE_LICENSE("GPL"); |
| 62 | |
| 63 | #define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100" |
| 64 | |
| 65 | /* Scan code for Fn key on TOS1900 models */ |
| 66 | #define TOS1900_FN_SCAN 0x6e |
| 67 | |
| 68 | /* Toshiba ACPI method paths */ |
| 69 | #define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX" |
| 70 | |
| 71 | /* |
| 72 | * The Toshiba configuration interface is composed of the HCI and the SCI, |
| 73 | * which are defined as follows: |
| 74 | * |
| 75 | * HCI is Toshiba's "Hardware Control Interface" which is supposed to |
| 76 | * be uniform across all their models. Ideally we would just call |
| 77 | * dedicated ACPI methods instead of using this primitive interface. |
| 78 | * However the ACPI methods seem to be incomplete in some areas (for |
| 79 | * example they allow setting, but not reading, the LCD brightness value), |
| 80 | * so this is still useful. |
| 81 | * |
| 82 | * SCI stands for "System Configuration Interface" which aim is to |
| 83 | * conceal differences in hardware between different models. |
| 84 | */ |
| 85 | |
| 86 | #define TCI_WORDS 6 |
| 87 | |
| 88 | /* Operations */ |
| 89 | #define HCI_SET 0xff00 |
| 90 | #define HCI_GET 0xfe00 |
| 91 | #define SCI_OPEN 0xf100 |
| 92 | #define SCI_CLOSE 0xf200 |
| 93 | #define SCI_GET 0xf300 |
| 94 | #define SCI_SET 0xf400 |
| 95 | |
| 96 | /* Return codes */ |
| 97 | #define TOS_SUCCESS 0x0000 |
| 98 | #define TOS_SUCCESS2 0x0001 |
| 99 | #define TOS_OPEN_CLOSE_OK 0x0044 |
| 100 | #define TOS_FAILURE 0x1000 |
| 101 | #define TOS_NOT_SUPPORTED 0x8000 |
| 102 | #define TOS_ALREADY_OPEN 0x8100 |
| 103 | #define TOS_NOT_OPENED 0x8200 |
| 104 | #define TOS_INPUT_DATA_ERROR 0x8300 |
| 105 | #define TOS_WRITE_PROTECTED 0x8400 |
| 106 | #define TOS_NOT_PRESENT 0x8600 |
| 107 | #define TOS_FIFO_EMPTY 0x8c00 |
| 108 | #define TOS_DATA_NOT_AVAILABLE 0x8d20 |
| 109 | #define TOS_NOT_INITIALIZED 0x8d50 |
| 110 | #define TOS_NOT_INSTALLED 0x8e00 |
| 111 | |
| 112 | /* Registers */ |
| 113 | #define HCI_FAN 0x0004 |
| 114 | #define HCI_TR_BACKLIGHT 0x0005 |
| 115 | #define HCI_SYSTEM_EVENT 0x0016 |
| 116 | #define HCI_VIDEO_OUT 0x001c |
| 117 | #define HCI_HOTKEY_EVENT 0x001e |
| 118 | #define HCI_LCD_BRIGHTNESS 0x002a |
| 119 | #define HCI_WIRELESS 0x0056 |
| 120 | #define HCI_ACCELEROMETER 0x006d |
| 121 | #define HCI_COOLING_METHOD 0x007f |
| 122 | #define HCI_KBD_ILLUMINATION 0x0095 |
| 123 | #define HCI_ECO_MODE 0x0097 |
| 124 | #define HCI_ACCELEROMETER2 0x00a6 |
| 125 | #define HCI_SYSTEM_INFO 0xc000 |
| 126 | #define SCI_PANEL_POWER_ON 0x010d |
| 127 | #define SCI_ILLUMINATION 0x014e |
| 128 | #define SCI_USB_SLEEP_CHARGE 0x0150 |
| 129 | #define SCI_KBD_ILLUM_STATUS 0x015c |
| 130 | #define SCI_USB_SLEEP_MUSIC 0x015e |
| 131 | #define SCI_USB_THREE 0x0169 |
| 132 | #define SCI_TOUCHPAD 0x050e |
| 133 | #define SCI_KBD_FUNCTION_KEYS 0x0522 |
| 134 | |
| 135 | /* Field definitions */ |
| 136 | #define HCI_ACCEL_MASK 0x7fff |
| 137 | #define HCI_HOTKEY_DISABLE 0x0b |
| 138 | #define HCI_HOTKEY_ENABLE 0x09 |
| 139 | #define HCI_HOTKEY_SPECIAL_FUNCTIONS 0x10 |
| 140 | #define HCI_LCD_BRIGHTNESS_BITS 3 |
| 141 | #define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS) |
| 142 | #define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS) |
| 143 | #define HCI_MISC_SHIFT 0x10 |
| 144 | #define HCI_SYSTEM_TYPE1 0x10 |
| 145 | #define HCI_SYSTEM_TYPE2 0x11 |
| 146 | #define HCI_VIDEO_OUT_LCD 0x1 |
| 147 | #define HCI_VIDEO_OUT_CRT 0x2 |
| 148 | #define HCI_VIDEO_OUT_TV 0x4 |
| 149 | #define SCI_KBD_MODE_MASK 0x1f |
| 150 | #define SCI_KBD_MODE_FNZ 0x1 |
| 151 | #define SCI_KBD_MODE_AUTO 0x2 |
| 152 | #define SCI_KBD_MODE_ON 0x8 |
| 153 | #define SCI_KBD_MODE_OFF 0x10 |
| 154 | #define SCI_KBD_TIME_MAX 0x3c001a |
| 155 | #define HCI_WIRELESS_STATUS 0x1 |
| 156 | #define HCI_WIRELESS_WWAN 0x3 |
| 157 | #define HCI_WIRELESS_WWAN_STATUS 0x2000 |
| 158 | #define HCI_WIRELESS_WWAN_POWER 0x4000 |
| 159 | #define SCI_USB_CHARGE_MODE_MASK 0xff |
| 160 | #define SCI_USB_CHARGE_DISABLED 0x00 |
| 161 | #define SCI_USB_CHARGE_ALTERNATE 0x09 |
| 162 | #define SCI_USB_CHARGE_TYPICAL 0x11 |
| 163 | #define SCI_USB_CHARGE_AUTO 0x21 |
| 164 | #define SCI_USB_CHARGE_BAT_MASK 0x7 |
| 165 | #define SCI_USB_CHARGE_BAT_LVL_OFF 0x1 |
| 166 | #define SCI_USB_CHARGE_BAT_LVL_ON 0x4 |
| 167 | #define SCI_USB_CHARGE_BAT_LVL 0x0200 |
| 168 | #define SCI_USB_CHARGE_RAPID_DSP 0x0300 |
| 169 | |
| 170 | struct toshiba_acpi_dev { |
| 171 | struct acpi_device *acpi_dev; |
| 172 | const char *method_hci; |
| 173 | struct input_dev *hotkey_dev; |
| 174 | struct work_struct hotkey_work; |
| 175 | struct backlight_device *backlight_dev; |
| 176 | struct led_classdev led_dev; |
| 177 | struct led_classdev kbd_led; |
| 178 | struct led_classdev eco_led; |
| 179 | struct miscdevice miscdev; |
| 180 | struct rfkill *wwan_rfk; |
| 181 | |
| 182 | int force_fan; |
| 183 | int last_key_event; |
| 184 | int key_event_valid; |
| 185 | int kbd_type; |
| 186 | int kbd_mode; |
| 187 | int kbd_time; |
| 188 | int usbsc_bat_level; |
| 189 | int usbsc_mode_base; |
| 190 | int hotkey_event_type; |
| 191 | int max_cooling_method; |
| 192 | |
| 193 | unsigned int illumination_supported:1; |
| 194 | unsigned int video_supported:1; |
| 195 | unsigned int fan_supported:1; |
| 196 | unsigned int system_event_supported:1; |
| 197 | unsigned int ntfy_supported:1; |
| 198 | unsigned int info_supported:1; |
| 199 | unsigned int tr_backlight_supported:1; |
| 200 | unsigned int kbd_illum_supported:1; |
| 201 | unsigned int touchpad_supported:1; |
| 202 | unsigned int eco_supported:1; |
| 203 | unsigned int accelerometer_supported:1; |
| 204 | unsigned int usb_sleep_charge_supported:1; |
| 205 | unsigned int usb_rapid_charge_supported:1; |
| 206 | unsigned int usb_sleep_music_supported:1; |
| 207 | unsigned int kbd_function_keys_supported:1; |
| 208 | unsigned int panel_power_on_supported:1; |
| 209 | unsigned int usb_three_supported:1; |
| 210 | unsigned int wwan_supported:1; |
| 211 | unsigned int cooling_method_supported:1; |
| 212 | unsigned int sysfs_created:1; |
| 213 | unsigned int special_functions; |
| 214 | |
| 215 | bool kbd_event_generated; |
| 216 | bool kbd_led_registered; |
| 217 | bool illumination_led_registered; |
| 218 | bool eco_led_registered; |
| 219 | bool killswitch; |
| 220 | }; |
| 221 | |
| 222 | static struct toshiba_acpi_dev *toshiba_acpi; |
| 223 | |
| 224 | static bool disable_hotkeys; |
| 225 | module_param(disable_hotkeys, bool, 0444); |
| 226 | MODULE_PARM_DESC(disable_hotkeys, "Disables the hotkeys activation"); |
| 227 | |
| 228 | static const struct acpi_device_id toshiba_device_ids[] = { |
| 229 | {"TOS6200", 0}, |
| 230 | {"TOS6207", 0}, |
| 231 | {"TOS6208", 0}, |
| 232 | {"TOS1900", 0}, |
| 233 | {"", 0}, |
| 234 | }; |
| 235 | MODULE_DEVICE_TABLE(acpi, toshiba_device_ids); |
| 236 | |
| 237 | static const struct key_entry toshiba_acpi_keymap[] = { |
| 238 | { KE_KEY, 0x9e, { KEY_RFKILL } }, |
| 239 | { KE_KEY, 0x101, { KEY_MUTE } }, |
| 240 | { KE_KEY, 0x102, { KEY_ZOOMOUT } }, |
| 241 | { KE_KEY, 0x103, { KEY_ZOOMIN } }, |
| 242 | { KE_KEY, 0x10f, { KEY_TAB } }, |
| 243 | { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, |
| 244 | { KE_KEY, 0x139, { KEY_ZOOMRESET } }, |
| 245 | { KE_KEY, 0x13b, { KEY_COFFEE } }, |
| 246 | { KE_KEY, 0x13c, { KEY_BATTERY } }, |
| 247 | { KE_KEY, 0x13d, { KEY_SLEEP } }, |
| 248 | { KE_KEY, 0x13e, { KEY_SUSPEND } }, |
| 249 | { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } }, |
| 250 | { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } }, |
| 251 | { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } }, |
| 252 | { KE_KEY, 0x142, { KEY_WLAN } }, |
| 253 | { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } }, |
| 254 | { KE_KEY, 0x17f, { KEY_FN } }, |
| 255 | { KE_KEY, 0xb05, { KEY_PROG2 } }, |
| 256 | { KE_KEY, 0xb06, { KEY_WWW } }, |
| 257 | { KE_KEY, 0xb07, { KEY_MAIL } }, |
| 258 | { KE_KEY, 0xb30, { KEY_STOP } }, |
| 259 | { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } }, |
| 260 | { KE_KEY, 0xb32, { KEY_NEXTSONG } }, |
| 261 | { KE_KEY, 0xb33, { KEY_PLAYPAUSE } }, |
| 262 | { KE_KEY, 0xb5a, { KEY_MEDIA } }, |
| 263 | { KE_IGNORE, 0x1430, { KEY_RESERVED } }, /* Wake from sleep */ |
| 264 | { KE_IGNORE, 0x1501, { KEY_RESERVED } }, /* Output changed */ |
| 265 | { KE_IGNORE, 0x1502, { KEY_RESERVED } }, /* HDMI plugged/unplugged */ |
| 266 | { KE_IGNORE, 0x1ABE, { KEY_RESERVED } }, /* Protection level set */ |
| 267 | { KE_IGNORE, 0x1ABF, { KEY_RESERVED } }, /* Protection level off */ |
| 268 | { KE_END, 0 }, |
| 269 | }; |
| 270 | |
| 271 | static const struct key_entry toshiba_acpi_alt_keymap[] = { |
| 272 | { KE_KEY, 0x102, { KEY_ZOOMOUT } }, |
| 273 | { KE_KEY, 0x103, { KEY_ZOOMIN } }, |
| 274 | { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, |
| 275 | { KE_KEY, 0x139, { KEY_ZOOMRESET } }, |
| 276 | { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } }, |
| 277 | { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } }, |
| 278 | { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } }, |
| 279 | { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } }, |
| 280 | { KE_KEY, 0x157, { KEY_MUTE } }, |
| 281 | { KE_KEY, 0x158, { KEY_WLAN } }, |
| 282 | { KE_END, 0 }, |
| 283 | }; |
| 284 | |
| 285 | /* |
| 286 | * List of models which have a broken acpi-video backlight interface and thus |
| 287 | * need to use the toshiba (vendor) interface instead. |
| 288 | */ |
| 289 | static const struct dmi_system_id toshiba_vendor_backlight_dmi[] = { |
| 290 | {} |
| 291 | }; |
| 292 | |
| 293 | /* |
| 294 | * Utility |
| 295 | */ |
| 296 | |
| 297 | static inline void _set_bit(u32 *word, u32 mask, int value) |
| 298 | { |
| 299 | *word = (*word & ~mask) | (mask * value); |
| 300 | } |
| 301 | |
| 302 | /* |
| 303 | * ACPI interface wrappers |
| 304 | */ |
| 305 | |
| 306 | static int write_acpi_int(const char *methodName, int val) |
| 307 | { |
| 308 | acpi_status status; |
| 309 | |
| 310 | status = acpi_execute_simple_method(NULL, (char *)methodName, val); |
| 311 | return (status == AE_OK) ? 0 : -EIO; |
| 312 | } |
| 313 | |
| 314 | /* |
| 315 | * Perform a raw configuration call. Here we don't care about input or output |
| 316 | * buffer format. |
| 317 | */ |
| 318 | static acpi_status tci_raw(struct toshiba_acpi_dev *dev, |
| 319 | const u32 in[TCI_WORDS], u32 out[TCI_WORDS]) |
| 320 | { |
| 321 | struct acpi_object_list params; |
| 322 | union acpi_object in_objs[TCI_WORDS]; |
| 323 | struct acpi_buffer results; |
| 324 | union acpi_object out_objs[TCI_WORDS + 1]; |
| 325 | acpi_status status; |
| 326 | int i; |
| 327 | |
| 328 | params.count = TCI_WORDS; |
| 329 | params.pointer = in_objs; |
| 330 | for (i = 0; i < TCI_WORDS; ++i) { |
| 331 | in_objs[i].type = ACPI_TYPE_INTEGER; |
| 332 | in_objs[i].integer.value = in[i]; |
| 333 | } |
| 334 | |
| 335 | results.length = sizeof(out_objs); |
| 336 | results.pointer = out_objs; |
| 337 | |
| 338 | status = acpi_evaluate_object(dev->acpi_dev->handle, |
| 339 | (char *)dev->method_hci, ¶ms, |
| 340 | &results); |
| 341 | if ((status == AE_OK) && (out_objs->package.count <= TCI_WORDS)) { |
| 342 | for (i = 0; i < out_objs->package.count; ++i) |
| 343 | out[i] = out_objs->package.elements[i].integer.value; |
| 344 | } |
| 345 | |
| 346 | return status; |
| 347 | } |
| 348 | |
| 349 | /* |
| 350 | * Common hci tasks |
| 351 | * |
| 352 | * In addition to the ACPI status, the HCI system returns a result which |
| 353 | * may be useful (such as "not supported"). |
| 354 | */ |
| 355 | |
| 356 | static u32 hci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) |
| 357 | { |
| 358 | u32 in[TCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 }; |
| 359 | u32 out[TCI_WORDS]; |
| 360 | acpi_status status = tci_raw(dev, in, out); |
| 361 | |
| 362 | return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; |
| 363 | } |
| 364 | |
| 365 | static u32 hci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1) |
| 366 | { |
| 367 | u32 in[TCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 }; |
| 368 | u32 out[TCI_WORDS]; |
| 369 | acpi_status status = tci_raw(dev, in, out); |
| 370 | |
| 371 | if (ACPI_FAILURE(status)) |
| 372 | return TOS_FAILURE; |
| 373 | |
| 374 | *out1 = out[2]; |
| 375 | |
| 376 | return out[0]; |
| 377 | } |
| 378 | |
| 379 | /* |
| 380 | * Common sci tasks |
| 381 | */ |
| 382 | |
| 383 | static int sci_open(struct toshiba_acpi_dev *dev) |
| 384 | { |
| 385 | u32 in[TCI_WORDS] = { SCI_OPEN, 0, 0, 0, 0, 0 }; |
| 386 | u32 out[TCI_WORDS]; |
| 387 | acpi_status status; |
| 388 | |
| 389 | status = tci_raw(dev, in, out); |
| 390 | if (ACPI_FAILURE(status)) { |
| 391 | pr_err("ACPI call to open SCI failed\n"); |
| 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | if (out[0] == TOS_OPEN_CLOSE_OK) { |
| 396 | return 1; |
| 397 | } else if (out[0] == TOS_ALREADY_OPEN) { |
| 398 | pr_info("Toshiba SCI already opened\n"); |
| 399 | return 1; |
| 400 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
| 401 | /* |
| 402 | * Some BIOSes do not have the SCI open/close functions |
| 403 | * implemented and return 0x8000 (Not Supported), failing to |
| 404 | * register some supported features. |
| 405 | * |
| 406 | * Simply return 1 if we hit those affected laptops to make the |
| 407 | * supported features work. |
| 408 | * |
| 409 | * In the case that some laptops really do not support the SCI, |
| 410 | * all the SCI dependent functions check for TOS_NOT_SUPPORTED, |
| 411 | * and thus, not registering support for the queried feature. |
| 412 | */ |
| 413 | return 1; |
| 414 | } else if (out[0] == TOS_NOT_PRESENT) { |
| 415 | pr_info("Toshiba SCI is not present\n"); |
| 416 | } |
| 417 | |
| 418 | return 0; |
| 419 | } |
| 420 | |
| 421 | static void sci_close(struct toshiba_acpi_dev *dev) |
| 422 | { |
| 423 | u32 in[TCI_WORDS] = { SCI_CLOSE, 0, 0, 0, 0, 0 }; |
| 424 | u32 out[TCI_WORDS]; |
| 425 | acpi_status status; |
| 426 | |
| 427 | status = tci_raw(dev, in, out); |
| 428 | if (ACPI_FAILURE(status)) { |
| 429 | pr_err("ACPI call to close SCI failed\n"); |
| 430 | return; |
| 431 | } |
| 432 | |
| 433 | if (out[0] == TOS_OPEN_CLOSE_OK) |
| 434 | return; |
| 435 | else if (out[0] == TOS_NOT_OPENED) |
| 436 | pr_info("Toshiba SCI not opened\n"); |
| 437 | else if (out[0] == TOS_NOT_PRESENT) |
| 438 | pr_info("Toshiba SCI is not present\n"); |
| 439 | } |
| 440 | |
| 441 | static u32 sci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1) |
| 442 | { |
| 443 | u32 in[TCI_WORDS] = { SCI_GET, reg, 0, 0, 0, 0 }; |
| 444 | u32 out[TCI_WORDS]; |
| 445 | acpi_status status = tci_raw(dev, in, out); |
| 446 | |
| 447 | if (ACPI_FAILURE(status)) |
| 448 | return TOS_FAILURE; |
| 449 | |
| 450 | *out1 = out[2]; |
| 451 | |
| 452 | return out[0]; |
| 453 | } |
| 454 | |
| 455 | static u32 sci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) |
| 456 | { |
| 457 | u32 in[TCI_WORDS] = { SCI_SET, reg, in1, 0, 0, 0 }; |
| 458 | u32 out[TCI_WORDS]; |
| 459 | acpi_status status = tci_raw(dev, in, out); |
| 460 | |
| 461 | return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; |
| 462 | } |
| 463 | |
| 464 | /* Illumination support */ |
| 465 | static void toshiba_illumination_available(struct toshiba_acpi_dev *dev) |
| 466 | { |
| 467 | u32 in[TCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 }; |
| 468 | u32 out[TCI_WORDS]; |
| 469 | acpi_status status; |
| 470 | |
| 471 | dev->illumination_supported = 0; |
| 472 | dev->illumination_led_registered = false; |
| 473 | |
| 474 | if (!sci_open(dev)) |
| 475 | return; |
| 476 | |
| 477 | status = tci_raw(dev, in, out); |
| 478 | sci_close(dev); |
| 479 | if (ACPI_FAILURE(status)) |
| 480 | pr_err("ACPI call to query Illumination support failed\n"); |
| 481 | else if (out[0] == TOS_SUCCESS) |
| 482 | dev->illumination_supported = 1; |
| 483 | } |
| 484 | |
| 485 | static void toshiba_illumination_set(struct led_classdev *cdev, |
| 486 | enum led_brightness brightness) |
| 487 | { |
| 488 | struct toshiba_acpi_dev *dev = container_of(cdev, |
| 489 | struct toshiba_acpi_dev, led_dev); |
| 490 | u32 result; |
| 491 | u32 state; |
| 492 | |
| 493 | /* First request : initialize communication. */ |
| 494 | if (!sci_open(dev)) |
| 495 | return; |
| 496 | |
| 497 | /* Switch the illumination on/off */ |
| 498 | state = brightness ? 1 : 0; |
| 499 | result = sci_write(dev, SCI_ILLUMINATION, state); |
| 500 | sci_close(dev); |
| 501 | if (result == TOS_FAILURE) |
| 502 | pr_err("ACPI call for illumination failed\n"); |
| 503 | } |
| 504 | |
| 505 | static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) |
| 506 | { |
| 507 | struct toshiba_acpi_dev *dev = container_of(cdev, |
| 508 | struct toshiba_acpi_dev, led_dev); |
| 509 | u32 state, result; |
| 510 | |
| 511 | /* First request : initialize communication. */ |
| 512 | if (!sci_open(dev)) |
| 513 | return LED_OFF; |
| 514 | |
| 515 | /* Check the illumination */ |
| 516 | result = sci_read(dev, SCI_ILLUMINATION, &state); |
| 517 | sci_close(dev); |
| 518 | if (result == TOS_FAILURE) { |
| 519 | pr_err("ACPI call for illumination failed\n"); |
| 520 | return LED_OFF; |
| 521 | } else if (result != TOS_SUCCESS) { |
| 522 | return LED_OFF; |
| 523 | } |
| 524 | |
| 525 | return state ? LED_FULL : LED_OFF; |
| 526 | } |
| 527 | |
| 528 | /* KBD Illumination */ |
| 529 | static void toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev) |
| 530 | { |
| 531 | u32 in[TCI_WORDS] = { SCI_GET, SCI_KBD_ILLUM_STATUS, 0, 0, 0, 0 }; |
| 532 | u32 out[TCI_WORDS]; |
| 533 | acpi_status status; |
| 534 | |
| 535 | dev->kbd_illum_supported = 0; |
| 536 | dev->kbd_led_registered = false; |
| 537 | dev->kbd_event_generated = false; |
| 538 | |
| 539 | if (!sci_open(dev)) |
| 540 | return; |
| 541 | |
| 542 | status = tci_raw(dev, in, out); |
| 543 | sci_close(dev); |
| 544 | if (ACPI_FAILURE(status)) { |
| 545 | pr_err("ACPI call to query kbd illumination support failed\n"); |
| 546 | } else if (out[0] == TOS_SUCCESS) { |
| 547 | /* |
| 548 | * Check for keyboard backlight timeout max value, |
| 549 | * previous kbd backlight implementation set this to |
| 550 | * 0x3c0003, and now the new implementation set this |
| 551 | * to 0x3c001a, use this to distinguish between them. |
| 552 | */ |
| 553 | if (out[3] == SCI_KBD_TIME_MAX) |
| 554 | dev->kbd_type = 2; |
| 555 | else |
| 556 | dev->kbd_type = 1; |
| 557 | /* Get the current keyboard backlight mode */ |
| 558 | dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK; |
| 559 | /* Get the current time (1-60 seconds) */ |
| 560 | dev->kbd_time = out[2] >> HCI_MISC_SHIFT; |
| 561 | /* Flag as supported */ |
| 562 | dev->kbd_illum_supported = 1; |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time) |
| 567 | { |
| 568 | u32 result; |
| 569 | |
| 570 | if (!sci_open(dev)) |
| 571 | return -EIO; |
| 572 | |
| 573 | result = sci_write(dev, SCI_KBD_ILLUM_STATUS, time); |
| 574 | sci_close(dev); |
| 575 | if (result == TOS_FAILURE) |
| 576 | pr_err("ACPI call to set KBD backlight status failed\n"); |
| 577 | else if (result == TOS_NOT_SUPPORTED) |
| 578 | return -ENODEV; |
| 579 | |
| 580 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 581 | } |
| 582 | |
| 583 | static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time) |
| 584 | { |
| 585 | u32 result; |
| 586 | |
| 587 | if (!sci_open(dev)) |
| 588 | return -EIO; |
| 589 | |
| 590 | result = sci_read(dev, SCI_KBD_ILLUM_STATUS, time); |
| 591 | sci_close(dev); |
| 592 | if (result == TOS_FAILURE) |
| 593 | pr_err("ACPI call to get KBD backlight status failed\n"); |
| 594 | else if (result == TOS_NOT_SUPPORTED) |
| 595 | return -ENODEV; |
| 596 | |
| 597 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 598 | } |
| 599 | |
| 600 | static enum led_brightness toshiba_kbd_backlight_get(struct led_classdev *cdev) |
| 601 | { |
| 602 | struct toshiba_acpi_dev *dev = container_of(cdev, |
| 603 | struct toshiba_acpi_dev, kbd_led); |
| 604 | u32 result; |
| 605 | u32 state; |
| 606 | |
| 607 | /* Check the keyboard backlight state */ |
| 608 | result = hci_read(dev, HCI_KBD_ILLUMINATION, &state); |
| 609 | if (result == TOS_FAILURE) { |
| 610 | pr_err("ACPI call to get the keyboard backlight failed\n"); |
| 611 | return LED_OFF; |
| 612 | } else if (result != TOS_SUCCESS) { |
| 613 | return LED_OFF; |
| 614 | } |
| 615 | |
| 616 | return state ? LED_FULL : LED_OFF; |
| 617 | } |
| 618 | |
| 619 | static void toshiba_kbd_backlight_set(struct led_classdev *cdev, |
| 620 | enum led_brightness brightness) |
| 621 | { |
| 622 | struct toshiba_acpi_dev *dev = container_of(cdev, |
| 623 | struct toshiba_acpi_dev, kbd_led); |
| 624 | u32 result; |
| 625 | u32 state; |
| 626 | |
| 627 | /* Set the keyboard backlight state */ |
| 628 | state = brightness ? 1 : 0; |
| 629 | result = hci_write(dev, HCI_KBD_ILLUMINATION, state); |
| 630 | if (result == TOS_FAILURE) |
| 631 | pr_err("ACPI call to set KBD Illumination mode failed\n"); |
| 632 | } |
| 633 | |
| 634 | /* TouchPad support */ |
| 635 | static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state) |
| 636 | { |
| 637 | u32 result; |
| 638 | |
| 639 | if (!sci_open(dev)) |
| 640 | return -EIO; |
| 641 | |
| 642 | result = sci_write(dev, SCI_TOUCHPAD, state); |
| 643 | sci_close(dev); |
| 644 | if (result == TOS_FAILURE) |
| 645 | pr_err("ACPI call to set the touchpad failed\n"); |
| 646 | else if (result == TOS_NOT_SUPPORTED) |
| 647 | return -ENODEV; |
| 648 | |
| 649 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 650 | } |
| 651 | |
| 652 | static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state) |
| 653 | { |
| 654 | u32 result; |
| 655 | |
| 656 | if (!sci_open(dev)) |
| 657 | return -EIO; |
| 658 | |
| 659 | result = sci_read(dev, SCI_TOUCHPAD, state); |
| 660 | sci_close(dev); |
| 661 | if (result == TOS_FAILURE) |
| 662 | pr_err("ACPI call to query the touchpad failed\n"); |
| 663 | else if (result == TOS_NOT_SUPPORTED) |
| 664 | return -ENODEV; |
| 665 | |
| 666 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 667 | } |
| 668 | |
| 669 | /* Eco Mode support */ |
| 670 | static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) |
| 671 | { |
| 672 | acpi_status status; |
| 673 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 0, 0, 0 }; |
| 674 | u32 out[TCI_WORDS]; |
| 675 | |
| 676 | dev->eco_supported = 0; |
| 677 | dev->eco_led_registered = false; |
| 678 | |
| 679 | status = tci_raw(dev, in, out); |
| 680 | if (ACPI_FAILURE(status)) { |
| 681 | pr_err("ACPI call to get ECO led failed\n"); |
| 682 | } else if (out[0] == TOS_INPUT_DATA_ERROR) { |
| 683 | /* |
| 684 | * If we receive 0x8300 (Input Data Error), it means that the |
| 685 | * LED device is present, but that we just screwed the input |
| 686 | * parameters. |
| 687 | * |
| 688 | * Let's query the status of the LED to see if we really have a |
| 689 | * success response, indicating the actual presense of the LED, |
| 690 | * bail out otherwise. |
| 691 | */ |
| 692 | in[3] = 1; |
| 693 | status = tci_raw(dev, in, out); |
| 694 | if (ACPI_FAILURE(status)) |
| 695 | pr_err("ACPI call to get ECO led failed\n"); |
| 696 | else if (out[0] == TOS_SUCCESS) |
| 697 | dev->eco_supported = 1; |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | static enum led_brightness |
| 702 | toshiba_eco_mode_get_status(struct led_classdev *cdev) |
| 703 | { |
| 704 | struct toshiba_acpi_dev *dev = container_of(cdev, |
| 705 | struct toshiba_acpi_dev, eco_led); |
| 706 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
| 707 | u32 out[TCI_WORDS]; |
| 708 | acpi_status status; |
| 709 | |
| 710 | status = tci_raw(dev, in, out); |
| 711 | if (ACPI_FAILURE(status)) { |
| 712 | pr_err("ACPI call to get ECO led failed\n"); |
| 713 | return LED_OFF; |
| 714 | } else if (out[0] != TOS_SUCCESS) { |
| 715 | return LED_OFF; |
| 716 | } |
| 717 | |
| 718 | return out[2] ? LED_FULL : LED_OFF; |
| 719 | } |
| 720 | |
| 721 | static void toshiba_eco_mode_set_status(struct led_classdev *cdev, |
| 722 | enum led_brightness brightness) |
| 723 | { |
| 724 | struct toshiba_acpi_dev *dev = container_of(cdev, |
| 725 | struct toshiba_acpi_dev, eco_led); |
| 726 | u32 in[TCI_WORDS] = { HCI_SET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
| 727 | u32 out[TCI_WORDS]; |
| 728 | acpi_status status; |
| 729 | |
| 730 | /* Switch the Eco Mode led on/off */ |
| 731 | in[2] = (brightness) ? 1 : 0; |
| 732 | status = tci_raw(dev, in, out); |
| 733 | if (ACPI_FAILURE(status)) |
| 734 | pr_err("ACPI call to set ECO led failed\n"); |
| 735 | } |
| 736 | |
| 737 | /* Accelerometer support */ |
| 738 | static void toshiba_accelerometer_available(struct toshiba_acpi_dev *dev) |
| 739 | { |
| 740 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 }; |
| 741 | u32 out[TCI_WORDS]; |
| 742 | acpi_status status; |
| 743 | |
| 744 | dev->accelerometer_supported = 0; |
| 745 | |
| 746 | /* |
| 747 | * Check if the accelerometer call exists, |
| 748 | * this call also serves as initialization |
| 749 | */ |
| 750 | status = tci_raw(dev, in, out); |
| 751 | if (ACPI_FAILURE(status)) |
| 752 | pr_err("ACPI call to query the accelerometer failed\n"); |
| 753 | else if (out[0] == TOS_SUCCESS) |
| 754 | dev->accelerometer_supported = 1; |
| 755 | } |
| 756 | |
| 757 | static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev, |
| 758 | u32 *xy, u32 *z) |
| 759 | { |
| 760 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 }; |
| 761 | u32 out[TCI_WORDS]; |
| 762 | acpi_status status; |
| 763 | |
| 764 | /* Check the Accelerometer status */ |
| 765 | status = tci_raw(dev, in, out); |
| 766 | if (ACPI_FAILURE(status)) { |
| 767 | pr_err("ACPI call to query the accelerometer failed\n"); |
| 768 | return -EIO; |
| 769 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
| 770 | return -ENODEV; |
| 771 | } else if (out[0] == TOS_SUCCESS) { |
| 772 | *xy = out[2]; |
| 773 | *z = out[4]; |
| 774 | return 0; |
| 775 | } |
| 776 | |
| 777 | return -EIO; |
| 778 | } |
| 779 | |
| 780 | /* Sleep (Charge and Music) utilities support */ |
| 781 | static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev) |
| 782 | { |
| 783 | u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| 784 | u32 out[TCI_WORDS]; |
| 785 | acpi_status status; |
| 786 | |
| 787 | dev->usb_sleep_charge_supported = 0; |
| 788 | |
| 789 | if (!sci_open(dev)) |
| 790 | return; |
| 791 | |
| 792 | status = tci_raw(dev, in, out); |
| 793 | if (ACPI_FAILURE(status)) { |
| 794 | pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); |
| 795 | sci_close(dev); |
| 796 | return; |
| 797 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
| 798 | sci_close(dev); |
| 799 | return; |
| 800 | } else if (out[0] == TOS_SUCCESS) { |
| 801 | dev->usbsc_mode_base = out[4]; |
| 802 | } |
| 803 | |
| 804 | in[5] = SCI_USB_CHARGE_BAT_LVL; |
| 805 | status = tci_raw(dev, in, out); |
| 806 | sci_close(dev); |
| 807 | if (ACPI_FAILURE(status)) { |
| 808 | pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); |
| 809 | } else if (out[0] == TOS_SUCCESS) { |
| 810 | dev->usbsc_bat_level = out[2]; |
| 811 | /* Flag as supported */ |
| 812 | dev->usb_sleep_charge_supported = 1; |
| 813 | } |
| 814 | |
| 815 | } |
| 816 | |
| 817 | static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev, |
| 818 | u32 *mode) |
| 819 | { |
| 820 | u32 result; |
| 821 | |
| 822 | if (!sci_open(dev)) |
| 823 | return -EIO; |
| 824 | |
| 825 | result = sci_read(dev, SCI_USB_SLEEP_CHARGE, mode); |
| 826 | sci_close(dev); |
| 827 | if (result == TOS_FAILURE) |
| 828 | pr_err("ACPI call to set USB S&C mode failed\n"); |
| 829 | else if (result == TOS_NOT_SUPPORTED) |
| 830 | return -ENODEV; |
| 831 | |
| 832 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 833 | } |
| 834 | |
| 835 | static int toshiba_usb_sleep_charge_set(struct toshiba_acpi_dev *dev, |
| 836 | u32 mode) |
| 837 | { |
| 838 | u32 result; |
| 839 | |
| 840 | if (!sci_open(dev)) |
| 841 | return -EIO; |
| 842 | |
| 843 | result = sci_write(dev, SCI_USB_SLEEP_CHARGE, mode); |
| 844 | sci_close(dev); |
| 845 | if (result == TOS_FAILURE) |
| 846 | pr_err("ACPI call to set USB S&C mode failed\n"); |
| 847 | else if (result == TOS_NOT_SUPPORTED) |
| 848 | return -ENODEV; |
| 849 | |
| 850 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 851 | } |
| 852 | |
| 853 | static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev, |
| 854 | u32 *mode) |
| 855 | { |
| 856 | u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| 857 | u32 out[TCI_WORDS]; |
| 858 | acpi_status status; |
| 859 | |
| 860 | if (!sci_open(dev)) |
| 861 | return -EIO; |
| 862 | |
| 863 | in[5] = SCI_USB_CHARGE_BAT_LVL; |
| 864 | status = tci_raw(dev, in, out); |
| 865 | sci_close(dev); |
| 866 | if (ACPI_FAILURE(status)) { |
| 867 | pr_err("ACPI call to get USB S&C battery level failed\n"); |
| 868 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
| 869 | return -ENODEV; |
| 870 | } else if (out[0] == TOS_SUCCESS) { |
| 871 | *mode = out[2]; |
| 872 | return 0; |
| 873 | } |
| 874 | |
| 875 | return -EIO; |
| 876 | } |
| 877 | |
| 878 | static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev, |
| 879 | u32 mode) |
| 880 | { |
| 881 | u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| 882 | u32 out[TCI_WORDS]; |
| 883 | acpi_status status; |
| 884 | |
| 885 | if (!sci_open(dev)) |
| 886 | return -EIO; |
| 887 | |
| 888 | in[2] = mode; |
| 889 | in[5] = SCI_USB_CHARGE_BAT_LVL; |
| 890 | status = tci_raw(dev, in, out); |
| 891 | sci_close(dev); |
| 892 | if (ACPI_FAILURE(status)) |
| 893 | pr_err("ACPI call to set USB S&C battery level failed\n"); |
| 894 | else if (out[0] == TOS_NOT_SUPPORTED) |
| 895 | return -ENODEV; |
| 896 | |
| 897 | return out[0] == TOS_SUCCESS ? 0 : -EIO; |
| 898 | } |
| 899 | |
| 900 | static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev, |
| 901 | u32 *state) |
| 902 | { |
| 903 | u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| 904 | u32 out[TCI_WORDS]; |
| 905 | acpi_status status; |
| 906 | |
| 907 | if (!sci_open(dev)) |
| 908 | return -EIO; |
| 909 | |
| 910 | in[5] = SCI_USB_CHARGE_RAPID_DSP; |
| 911 | status = tci_raw(dev, in, out); |
| 912 | sci_close(dev); |
| 913 | if (ACPI_FAILURE(status)) { |
| 914 | pr_err("ACPI call to get USB Rapid Charge failed\n"); |
| 915 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
| 916 | return -ENODEV; |
| 917 | } else if (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) { |
| 918 | *state = out[2]; |
| 919 | return 0; |
| 920 | } |
| 921 | |
| 922 | return -EIO; |
| 923 | } |
| 924 | |
| 925 | static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev, |
| 926 | u32 state) |
| 927 | { |
| 928 | u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; |
| 929 | u32 out[TCI_WORDS]; |
| 930 | acpi_status status; |
| 931 | |
| 932 | if (!sci_open(dev)) |
| 933 | return -EIO; |
| 934 | |
| 935 | in[2] = state; |
| 936 | in[5] = SCI_USB_CHARGE_RAPID_DSP; |
| 937 | status = tci_raw(dev, in, out); |
| 938 | sci_close(dev); |
| 939 | if (ACPI_FAILURE(status)) |
| 940 | pr_err("ACPI call to set USB Rapid Charge failed\n"); |
| 941 | else if (out[0] == TOS_NOT_SUPPORTED) |
| 942 | return -ENODEV; |
| 943 | |
| 944 | return (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) ? 0 : -EIO; |
| 945 | } |
| 946 | |
| 947 | static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state) |
| 948 | { |
| 949 | u32 result; |
| 950 | |
| 951 | if (!sci_open(dev)) |
| 952 | return -EIO; |
| 953 | |
| 954 | result = sci_read(dev, SCI_USB_SLEEP_MUSIC, state); |
| 955 | sci_close(dev); |
| 956 | if (result == TOS_FAILURE) |
| 957 | pr_err("ACPI call to get Sleep and Music failed\n"); |
| 958 | else if (result == TOS_NOT_SUPPORTED) |
| 959 | return -ENODEV; |
| 960 | |
| 961 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 962 | } |
| 963 | |
| 964 | static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state) |
| 965 | { |
| 966 | u32 result; |
| 967 | |
| 968 | if (!sci_open(dev)) |
| 969 | return -EIO; |
| 970 | |
| 971 | result = sci_write(dev, SCI_USB_SLEEP_MUSIC, state); |
| 972 | sci_close(dev); |
| 973 | if (result == TOS_FAILURE) |
| 974 | pr_err("ACPI call to set Sleep and Music failed\n"); |
| 975 | else if (result == TOS_NOT_SUPPORTED) |
| 976 | return -ENODEV; |
| 977 | |
| 978 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 979 | } |
| 980 | |
| 981 | /* Keyboard function keys */ |
| 982 | static int toshiba_function_keys_get(struct toshiba_acpi_dev *dev, u32 *mode) |
| 983 | { |
| 984 | u32 result; |
| 985 | |
| 986 | if (!sci_open(dev)) |
| 987 | return -EIO; |
| 988 | |
| 989 | result = sci_read(dev, SCI_KBD_FUNCTION_KEYS, mode); |
| 990 | sci_close(dev); |
| 991 | if (result == TOS_FAILURE) |
| 992 | pr_err("ACPI call to get KBD function keys failed\n"); |
| 993 | else if (result == TOS_NOT_SUPPORTED) |
| 994 | return -ENODEV; |
| 995 | |
| 996 | return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; |
| 997 | } |
| 998 | |
| 999 | static int toshiba_function_keys_set(struct toshiba_acpi_dev *dev, u32 mode) |
| 1000 | { |
| 1001 | u32 result; |
| 1002 | |
| 1003 | if (!sci_open(dev)) |
| 1004 | return -EIO; |
| 1005 | |
| 1006 | result = sci_write(dev, SCI_KBD_FUNCTION_KEYS, mode); |
| 1007 | sci_close(dev); |
| 1008 | if (result == TOS_FAILURE) |
| 1009 | pr_err("ACPI call to set KBD function keys failed\n"); |
| 1010 | else if (result == TOS_NOT_SUPPORTED) |
| 1011 | return -ENODEV; |
| 1012 | |
| 1013 | return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; |
| 1014 | } |
| 1015 | |
| 1016 | /* Panel Power ON */ |
| 1017 | static int toshiba_panel_power_on_get(struct toshiba_acpi_dev *dev, u32 *state) |
| 1018 | { |
| 1019 | u32 result; |
| 1020 | |
| 1021 | if (!sci_open(dev)) |
| 1022 | return -EIO; |
| 1023 | |
| 1024 | result = sci_read(dev, SCI_PANEL_POWER_ON, state); |
| 1025 | sci_close(dev); |
| 1026 | if (result == TOS_FAILURE) |
| 1027 | pr_err("ACPI call to get Panel Power ON failed\n"); |
| 1028 | else if (result == TOS_NOT_SUPPORTED) |
| 1029 | return -ENODEV; |
| 1030 | |
| 1031 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1032 | } |
| 1033 | |
| 1034 | static int toshiba_panel_power_on_set(struct toshiba_acpi_dev *dev, u32 state) |
| 1035 | { |
| 1036 | u32 result; |
| 1037 | |
| 1038 | if (!sci_open(dev)) |
| 1039 | return -EIO; |
| 1040 | |
| 1041 | result = sci_write(dev, SCI_PANEL_POWER_ON, state); |
| 1042 | sci_close(dev); |
| 1043 | if (result == TOS_FAILURE) |
| 1044 | pr_err("ACPI call to set Panel Power ON failed\n"); |
| 1045 | else if (result == TOS_NOT_SUPPORTED) |
| 1046 | return -ENODEV; |
| 1047 | |
| 1048 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1049 | } |
| 1050 | |
| 1051 | /* USB Three */ |
| 1052 | static int toshiba_usb_three_get(struct toshiba_acpi_dev *dev, u32 *state) |
| 1053 | { |
| 1054 | u32 result; |
| 1055 | |
| 1056 | if (!sci_open(dev)) |
| 1057 | return -EIO; |
| 1058 | |
| 1059 | result = sci_read(dev, SCI_USB_THREE, state); |
| 1060 | sci_close(dev); |
| 1061 | if (result == TOS_FAILURE) |
| 1062 | pr_err("ACPI call to get USB 3 failed\n"); |
| 1063 | else if (result == TOS_NOT_SUPPORTED) |
| 1064 | return -ENODEV; |
| 1065 | |
| 1066 | return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; |
| 1067 | } |
| 1068 | |
| 1069 | static int toshiba_usb_three_set(struct toshiba_acpi_dev *dev, u32 state) |
| 1070 | { |
| 1071 | u32 result; |
| 1072 | |
| 1073 | if (!sci_open(dev)) |
| 1074 | return -EIO; |
| 1075 | |
| 1076 | result = sci_write(dev, SCI_USB_THREE, state); |
| 1077 | sci_close(dev); |
| 1078 | if (result == TOS_FAILURE) |
| 1079 | pr_err("ACPI call to set USB 3 failed\n"); |
| 1080 | else if (result == TOS_NOT_SUPPORTED) |
| 1081 | return -ENODEV; |
| 1082 | |
| 1083 | return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; |
| 1084 | } |
| 1085 | |
| 1086 | /* Hotkey Event type */ |
| 1087 | static int toshiba_hotkey_event_type_get(struct toshiba_acpi_dev *dev, |
| 1088 | u32 *type) |
| 1089 | { |
| 1090 | u32 in[TCI_WORDS] = { HCI_GET, HCI_SYSTEM_INFO, 0x03, 0, 0, 0 }; |
| 1091 | u32 out[TCI_WORDS]; |
| 1092 | acpi_status status; |
| 1093 | |
| 1094 | status = tci_raw(dev, in, out); |
| 1095 | if (ACPI_FAILURE(status)) { |
| 1096 | pr_err("ACPI call to get System type failed\n"); |
| 1097 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
| 1098 | return -ENODEV; |
| 1099 | } else if (out[0] == TOS_SUCCESS) { |
| 1100 | *type = out[3]; |
| 1101 | return 0; |
| 1102 | } |
| 1103 | |
| 1104 | return -EIO; |
| 1105 | } |
| 1106 | |
| 1107 | /* Wireless status (RFKill, WLAN, BT, WWAN) */ |
| 1108 | static int toshiba_wireless_status(struct toshiba_acpi_dev *dev) |
| 1109 | { |
| 1110 | u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 }; |
| 1111 | u32 out[TCI_WORDS]; |
| 1112 | acpi_status status; |
| 1113 | |
| 1114 | in[3] = HCI_WIRELESS_STATUS; |
| 1115 | status = tci_raw(dev, in, out); |
| 1116 | |
| 1117 | if (ACPI_FAILURE(status)) { |
| 1118 | pr_err("ACPI call to get Wireless status failed\n"); |
| 1119 | return -EIO; |
| 1120 | } |
| 1121 | |
| 1122 | if (out[0] == TOS_NOT_SUPPORTED) |
| 1123 | return -ENODEV; |
| 1124 | |
| 1125 | if (out[0] != TOS_SUCCESS) |
| 1126 | return -EIO; |
| 1127 | |
| 1128 | dev->killswitch = !!(out[2] & HCI_WIRELESS_STATUS); |
| 1129 | |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
| 1133 | /* WWAN */ |
| 1134 | static void toshiba_wwan_available(struct toshiba_acpi_dev *dev) |
| 1135 | { |
| 1136 | u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 }; |
| 1137 | u32 out[TCI_WORDS]; |
| 1138 | acpi_status status; |
| 1139 | |
| 1140 | dev->wwan_supported = 0; |
| 1141 | |
| 1142 | /* |
| 1143 | * WWAN support can be queried by setting the in[3] value to |
| 1144 | * HCI_WIRELESS_WWAN (0x03). |
| 1145 | * |
| 1146 | * If supported, out[0] contains TOS_SUCCESS and out[2] contains |
| 1147 | * HCI_WIRELESS_WWAN_STATUS (0x2000). |
| 1148 | * |
| 1149 | * If not supported, out[0] contains TOS_INPUT_DATA_ERROR (0x8300) |
| 1150 | * or TOS_NOT_SUPPORTED (0x8000). |
| 1151 | */ |
| 1152 | in[3] = HCI_WIRELESS_WWAN; |
| 1153 | status = tci_raw(dev, in, out); |
| 1154 | |
| 1155 | if (ACPI_FAILURE(status)) { |
| 1156 | pr_err("ACPI call to get WWAN status failed\n"); |
| 1157 | return; |
| 1158 | } |
| 1159 | |
| 1160 | if (out[0] != TOS_SUCCESS) |
| 1161 | return; |
| 1162 | |
| 1163 | dev->wwan_supported = (out[2] == HCI_WIRELESS_WWAN_STATUS); |
| 1164 | } |
| 1165 | |
| 1166 | static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state) |
| 1167 | { |
| 1168 | u32 in[TCI_WORDS] = { HCI_SET, HCI_WIRELESS, state, 0, 0, 0 }; |
| 1169 | u32 out[TCI_WORDS]; |
| 1170 | acpi_status status; |
| 1171 | |
| 1172 | in[3] = HCI_WIRELESS_WWAN_STATUS; |
| 1173 | status = tci_raw(dev, in, out); |
| 1174 | |
| 1175 | if (ACPI_FAILURE(status)) { |
| 1176 | pr_err("ACPI call to set WWAN status failed\n"); |
| 1177 | return -EIO; |
| 1178 | } |
| 1179 | |
| 1180 | if (out[0] == TOS_NOT_SUPPORTED) |
| 1181 | return -ENODEV; |
| 1182 | |
| 1183 | if (out[0] != TOS_SUCCESS) |
| 1184 | return -EIO; |
| 1185 | |
| 1186 | /* |
| 1187 | * Some devices only need to call HCI_WIRELESS_WWAN_STATUS to |
| 1188 | * (de)activate the device, but some others need the |
| 1189 | * HCI_WIRELESS_WWAN_POWER call as well. |
| 1190 | */ |
| 1191 | in[3] = HCI_WIRELESS_WWAN_POWER; |
| 1192 | status = tci_raw(dev, in, out); |
| 1193 | |
| 1194 | if (ACPI_FAILURE(status)) { |
| 1195 | pr_err("ACPI call to set WWAN power failed\n"); |
| 1196 | return -EIO; |
| 1197 | } |
| 1198 | |
| 1199 | if (out[0] == TOS_NOT_SUPPORTED) |
| 1200 | return -ENODEV; |
| 1201 | |
| 1202 | return out[0] == TOS_SUCCESS ? 0 : -EIO; |
| 1203 | } |
| 1204 | |
| 1205 | /* Cooling Method */ |
| 1206 | static void toshiba_cooling_method_available(struct toshiba_acpi_dev *dev) |
| 1207 | { |
| 1208 | u32 in[TCI_WORDS] = { HCI_GET, HCI_COOLING_METHOD, 0, 0, 0, 0 }; |
| 1209 | u32 out[TCI_WORDS]; |
| 1210 | acpi_status status; |
| 1211 | |
| 1212 | dev->cooling_method_supported = 0; |
| 1213 | dev->max_cooling_method = 0; |
| 1214 | |
| 1215 | status = tci_raw(dev, in, out); |
| 1216 | if (ACPI_FAILURE(status)) |
| 1217 | pr_err("ACPI call to get Cooling Method failed\n"); |
| 1218 | |
| 1219 | if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2) |
| 1220 | return; |
| 1221 | |
| 1222 | dev->cooling_method_supported = 1; |
| 1223 | dev->max_cooling_method = out[3]; |
| 1224 | } |
| 1225 | |
| 1226 | static int toshiba_cooling_method_get(struct toshiba_acpi_dev *dev, u32 *state) |
| 1227 | { |
| 1228 | u32 result = hci_read(dev, HCI_COOLING_METHOD, state); |
| 1229 | |
| 1230 | if (result == TOS_FAILURE) |
| 1231 | pr_err("ACPI call to get Cooling Method failed\n"); |
| 1232 | |
| 1233 | if (result == TOS_NOT_SUPPORTED) |
| 1234 | return -ENODEV; |
| 1235 | |
| 1236 | return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; |
| 1237 | } |
| 1238 | |
| 1239 | static int toshiba_cooling_method_set(struct toshiba_acpi_dev *dev, u32 state) |
| 1240 | { |
| 1241 | u32 result = hci_write(dev, HCI_COOLING_METHOD, state); |
| 1242 | |
| 1243 | if (result == TOS_FAILURE) |
| 1244 | pr_err("ACPI call to get Cooling Method failed\n"); |
| 1245 | |
| 1246 | if (result == TOS_NOT_SUPPORTED) |
| 1247 | return -ENODEV; |
| 1248 | |
| 1249 | return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; |
| 1250 | } |
| 1251 | |
| 1252 | /* Transflective Backlight */ |
| 1253 | static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 *status) |
| 1254 | { |
| 1255 | u32 result = hci_read(dev, HCI_TR_BACKLIGHT, status); |
| 1256 | |
| 1257 | if (result == TOS_FAILURE) |
| 1258 | pr_err("ACPI call to get Transflective Backlight failed\n"); |
| 1259 | else if (result == TOS_NOT_SUPPORTED) |
| 1260 | return -ENODEV; |
| 1261 | |
| 1262 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1263 | } |
| 1264 | |
| 1265 | static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 status) |
| 1266 | { |
| 1267 | u32 result = hci_write(dev, HCI_TR_BACKLIGHT, !status); |
| 1268 | |
| 1269 | if (result == TOS_FAILURE) |
| 1270 | pr_err("ACPI call to set Transflective Backlight failed\n"); |
| 1271 | else if (result == TOS_NOT_SUPPORTED) |
| 1272 | return -ENODEV; |
| 1273 | |
| 1274 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1275 | } |
| 1276 | |
| 1277 | static struct proc_dir_entry *toshiba_proc_dir; |
| 1278 | |
| 1279 | /* LCD Brightness */ |
| 1280 | static int __get_lcd_brightness(struct toshiba_acpi_dev *dev) |
| 1281 | { |
| 1282 | u32 result; |
| 1283 | u32 value; |
| 1284 | int brightness = 0; |
| 1285 | |
| 1286 | if (dev->tr_backlight_supported) { |
| 1287 | int ret = get_tr_backlight_status(dev, &value); |
| 1288 | |
| 1289 | if (ret) |
| 1290 | return ret; |
| 1291 | if (value) |
| 1292 | return 0; |
| 1293 | brightness++; |
| 1294 | } |
| 1295 | |
| 1296 | result = hci_read(dev, HCI_LCD_BRIGHTNESS, &value); |
| 1297 | if (result == TOS_FAILURE) |
| 1298 | pr_err("ACPI call to get LCD Brightness failed\n"); |
| 1299 | else if (result == TOS_NOT_SUPPORTED) |
| 1300 | return -ENODEV; |
| 1301 | if (result == TOS_SUCCESS) |
| 1302 | return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT); |
| 1303 | |
| 1304 | return -EIO; |
| 1305 | } |
| 1306 | |
| 1307 | static int get_lcd_brightness(struct backlight_device *bd) |
| 1308 | { |
| 1309 | struct toshiba_acpi_dev *dev = bl_get_data(bd); |
| 1310 | |
| 1311 | return __get_lcd_brightness(dev); |
| 1312 | } |
| 1313 | |
| 1314 | static int lcd_proc_show(struct seq_file *m, void *v) |
| 1315 | { |
| 1316 | struct toshiba_acpi_dev *dev = m->private; |
| 1317 | int levels; |
| 1318 | int value; |
| 1319 | |
| 1320 | if (!dev->backlight_dev) |
| 1321 | return -ENODEV; |
| 1322 | |
| 1323 | levels = dev->backlight_dev->props.max_brightness + 1; |
| 1324 | value = get_lcd_brightness(dev->backlight_dev); |
| 1325 | if (value >= 0) { |
| 1326 | seq_printf(m, "brightness: %d\n", value); |
| 1327 | seq_printf(m, "brightness_levels: %d\n", levels); |
| 1328 | return 0; |
| 1329 | } |
| 1330 | |
| 1331 | pr_err("Error reading LCD brightness\n"); |
| 1332 | |
| 1333 | return -EIO; |
| 1334 | } |
| 1335 | |
| 1336 | static int lcd_proc_open(struct inode *inode, struct file *file) |
| 1337 | { |
| 1338 | return single_open(file, lcd_proc_show, PDE_DATA(inode)); |
| 1339 | } |
| 1340 | |
| 1341 | static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) |
| 1342 | { |
| 1343 | u32 result; |
| 1344 | |
| 1345 | if (dev->tr_backlight_supported) { |
| 1346 | int ret = set_tr_backlight_status(dev, !value); |
| 1347 | |
| 1348 | if (ret) |
| 1349 | return ret; |
| 1350 | if (value) |
| 1351 | value--; |
| 1352 | } |
| 1353 | |
| 1354 | value = value << HCI_LCD_BRIGHTNESS_SHIFT; |
| 1355 | result = hci_write(dev, HCI_LCD_BRIGHTNESS, value); |
| 1356 | if (result == TOS_FAILURE) |
| 1357 | pr_err("ACPI call to set LCD Brightness failed\n"); |
| 1358 | else if (result == TOS_NOT_SUPPORTED) |
| 1359 | return -ENODEV; |
| 1360 | |
| 1361 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1362 | } |
| 1363 | |
| 1364 | static int set_lcd_status(struct backlight_device *bd) |
| 1365 | { |
| 1366 | struct toshiba_acpi_dev *dev = bl_get_data(bd); |
| 1367 | |
| 1368 | return set_lcd_brightness(dev, bd->props.brightness); |
| 1369 | } |
| 1370 | |
| 1371 | static ssize_t lcd_proc_write(struct file *file, const char __user *buf, |
| 1372 | size_t count, loff_t *pos) |
| 1373 | { |
| 1374 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| 1375 | char cmd[42]; |
| 1376 | size_t len; |
| 1377 | int levels = dev->backlight_dev->props.max_brightness + 1; |
| 1378 | int value; |
| 1379 | |
| 1380 | len = min(count, sizeof(cmd) - 1); |
| 1381 | if (copy_from_user(cmd, buf, len)) |
| 1382 | return -EFAULT; |
| 1383 | cmd[len] = '\0'; |
| 1384 | |
| 1385 | if (sscanf(cmd, " brightness : %i", &value) != 1 && |
| 1386 | value < 0 && value > levels) |
| 1387 | return -EINVAL; |
| 1388 | |
| 1389 | if (set_lcd_brightness(dev, value)) |
| 1390 | return -EIO; |
| 1391 | |
| 1392 | return count; |
| 1393 | } |
| 1394 | |
| 1395 | static const struct file_operations lcd_proc_fops = { |
| 1396 | .owner = THIS_MODULE, |
| 1397 | .open = lcd_proc_open, |
| 1398 | .read = seq_read, |
| 1399 | .llseek = seq_lseek, |
| 1400 | .release = single_release, |
| 1401 | .write = lcd_proc_write, |
| 1402 | }; |
| 1403 | |
| 1404 | /* Video-Out */ |
| 1405 | static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status) |
| 1406 | { |
| 1407 | u32 result = hci_read(dev, HCI_VIDEO_OUT, status); |
| 1408 | |
| 1409 | if (result == TOS_FAILURE) |
| 1410 | pr_err("ACPI call to get Video-Out failed\n"); |
| 1411 | else if (result == TOS_NOT_SUPPORTED) |
| 1412 | return -ENODEV; |
| 1413 | |
| 1414 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1415 | } |
| 1416 | |
| 1417 | static int video_proc_show(struct seq_file *m, void *v) |
| 1418 | { |
| 1419 | struct toshiba_acpi_dev *dev = m->private; |
| 1420 | u32 value; |
| 1421 | |
| 1422 | if (!get_video_status(dev, &value)) { |
| 1423 | int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0; |
| 1424 | int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0; |
| 1425 | int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0; |
| 1426 | |
| 1427 | seq_printf(m, "lcd_out: %d\n", is_lcd); |
| 1428 | seq_printf(m, "crt_out: %d\n", is_crt); |
| 1429 | seq_printf(m, "tv_out: %d\n", is_tv); |
| 1430 | return 0; |
| 1431 | } |
| 1432 | |
| 1433 | return -EIO; |
| 1434 | } |
| 1435 | |
| 1436 | static int video_proc_open(struct inode *inode, struct file *file) |
| 1437 | { |
| 1438 | return single_open(file, video_proc_show, PDE_DATA(inode)); |
| 1439 | } |
| 1440 | |
| 1441 | static ssize_t video_proc_write(struct file *file, const char __user *buf, |
| 1442 | size_t count, loff_t *pos) |
| 1443 | { |
| 1444 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| 1445 | char *buffer; |
| 1446 | char *cmd; |
| 1447 | int remain = count; |
| 1448 | int lcd_out = -1; |
| 1449 | int crt_out = -1; |
| 1450 | int tv_out = -1; |
| 1451 | int value; |
| 1452 | int ret; |
| 1453 | u32 video_out; |
| 1454 | |
| 1455 | cmd = kmalloc(count + 1, GFP_KERNEL); |
| 1456 | if (!cmd) |
| 1457 | return -ENOMEM; |
| 1458 | if (copy_from_user(cmd, buf, count)) { |
| 1459 | kfree(cmd); |
| 1460 | return -EFAULT; |
| 1461 | } |
| 1462 | cmd[count] = '\0'; |
| 1463 | |
| 1464 | buffer = cmd; |
| 1465 | |
| 1466 | /* |
| 1467 | * Scan expression. Multiple expressions may be delimited with ; |
| 1468 | * NOTE: To keep scanning simple, invalid fields are ignored. |
| 1469 | */ |
| 1470 | while (remain) { |
| 1471 | if (sscanf(buffer, " lcd_out : %i", &value) == 1) |
| 1472 | lcd_out = value & 1; |
| 1473 | else if (sscanf(buffer, " crt_out : %i", &value) == 1) |
| 1474 | crt_out = value & 1; |
| 1475 | else if (sscanf(buffer, " tv_out : %i", &value) == 1) |
| 1476 | tv_out = value & 1; |
| 1477 | /* Advance to one character past the next ; */ |
| 1478 | do { |
| 1479 | ++buffer; |
| 1480 | --remain; |
| 1481 | } while (remain && *(buffer - 1) != ';'); |
| 1482 | } |
| 1483 | |
| 1484 | kfree(cmd); |
| 1485 | |
| 1486 | ret = get_video_status(dev, &video_out); |
| 1487 | if (!ret) { |
| 1488 | unsigned int new_video_out = video_out; |
| 1489 | |
| 1490 | if (lcd_out != -1) |
| 1491 | _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out); |
| 1492 | if (crt_out != -1) |
| 1493 | _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out); |
| 1494 | if (tv_out != -1) |
| 1495 | _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out); |
| 1496 | /* |
| 1497 | * To avoid unnecessary video disruption, only write the new |
| 1498 | * video setting if something changed. |
| 1499 | */ |
| 1500 | if (new_video_out != video_out) |
| 1501 | ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out); |
| 1502 | } |
| 1503 | |
| 1504 | return ret ? -EIO : count; |
| 1505 | } |
| 1506 | |
| 1507 | static const struct file_operations video_proc_fops = { |
| 1508 | .owner = THIS_MODULE, |
| 1509 | .open = video_proc_open, |
| 1510 | .read = seq_read, |
| 1511 | .llseek = seq_lseek, |
| 1512 | .release = single_release, |
| 1513 | .write = video_proc_write, |
| 1514 | }; |
| 1515 | |
| 1516 | /* Fan status */ |
| 1517 | static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status) |
| 1518 | { |
| 1519 | u32 result = hci_read(dev, HCI_FAN, status); |
| 1520 | |
| 1521 | if (result == TOS_FAILURE) |
| 1522 | pr_err("ACPI call to get Fan status failed\n"); |
| 1523 | else if (result == TOS_NOT_SUPPORTED) |
| 1524 | return -ENODEV; |
| 1525 | |
| 1526 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1527 | } |
| 1528 | |
| 1529 | static int set_fan_status(struct toshiba_acpi_dev *dev, u32 status) |
| 1530 | { |
| 1531 | u32 result = hci_write(dev, HCI_FAN, status); |
| 1532 | |
| 1533 | if (result == TOS_FAILURE) |
| 1534 | pr_err("ACPI call to set Fan status failed\n"); |
| 1535 | else if (result == TOS_NOT_SUPPORTED) |
| 1536 | return -ENODEV; |
| 1537 | |
| 1538 | return result == TOS_SUCCESS ? 0 : -EIO; |
| 1539 | } |
| 1540 | |
| 1541 | static int fan_proc_show(struct seq_file *m, void *v) |
| 1542 | { |
| 1543 | struct toshiba_acpi_dev *dev = m->private; |
| 1544 | u32 value; |
| 1545 | |
| 1546 | if (get_fan_status(dev, &value)) |
| 1547 | return -EIO; |
| 1548 | |
| 1549 | seq_printf(m, "running: %d\n", (value > 0)); |
| 1550 | seq_printf(m, "force_on: %d\n", dev->force_fan); |
| 1551 | |
| 1552 | return 0; |
| 1553 | } |
| 1554 | |
| 1555 | static int fan_proc_open(struct inode *inode, struct file *file) |
| 1556 | { |
| 1557 | return single_open(file, fan_proc_show, PDE_DATA(inode)); |
| 1558 | } |
| 1559 | |
| 1560 | static ssize_t fan_proc_write(struct file *file, const char __user *buf, |
| 1561 | size_t count, loff_t *pos) |
| 1562 | { |
| 1563 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| 1564 | char cmd[42]; |
| 1565 | size_t len; |
| 1566 | int value; |
| 1567 | |
| 1568 | len = min(count, sizeof(cmd) - 1); |
| 1569 | if (copy_from_user(cmd, buf, len)) |
| 1570 | return -EFAULT; |
| 1571 | cmd[len] = '\0'; |
| 1572 | |
| 1573 | if (sscanf(cmd, " force_on : %i", &value) != 1 && |
| 1574 | value != 0 && value != 1) |
| 1575 | return -EINVAL; |
| 1576 | |
| 1577 | if (set_fan_status(dev, value)) |
| 1578 | return -EIO; |
| 1579 | |
| 1580 | dev->force_fan = value; |
| 1581 | |
| 1582 | return count; |
| 1583 | } |
| 1584 | |
| 1585 | static const struct file_operations fan_proc_fops = { |
| 1586 | .owner = THIS_MODULE, |
| 1587 | .open = fan_proc_open, |
| 1588 | .read = seq_read, |
| 1589 | .llseek = seq_lseek, |
| 1590 | .release = single_release, |
| 1591 | .write = fan_proc_write, |
| 1592 | }; |
| 1593 | |
| 1594 | static int keys_proc_show(struct seq_file *m, void *v) |
| 1595 | { |
| 1596 | struct toshiba_acpi_dev *dev = m->private; |
| 1597 | |
| 1598 | seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid); |
| 1599 | seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event); |
| 1600 | |
| 1601 | return 0; |
| 1602 | } |
| 1603 | |
| 1604 | static int keys_proc_open(struct inode *inode, struct file *file) |
| 1605 | { |
| 1606 | return single_open(file, keys_proc_show, PDE_DATA(inode)); |
| 1607 | } |
| 1608 | |
| 1609 | static ssize_t keys_proc_write(struct file *file, const char __user *buf, |
| 1610 | size_t count, loff_t *pos) |
| 1611 | { |
| 1612 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
| 1613 | char cmd[42]; |
| 1614 | size_t len; |
| 1615 | int value; |
| 1616 | |
| 1617 | len = min(count, sizeof(cmd) - 1); |
| 1618 | if (copy_from_user(cmd, buf, len)) |
| 1619 | return -EFAULT; |
| 1620 | cmd[len] = '\0'; |
| 1621 | |
| 1622 | if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) |
| 1623 | dev->key_event_valid = 0; |
| 1624 | else |
| 1625 | return -EINVAL; |
| 1626 | |
| 1627 | return count; |
| 1628 | } |
| 1629 | |
| 1630 | static const struct file_operations keys_proc_fops = { |
| 1631 | .owner = THIS_MODULE, |
| 1632 | .open = keys_proc_open, |
| 1633 | .read = seq_read, |
| 1634 | .llseek = seq_lseek, |
| 1635 | .release = single_release, |
| 1636 | .write = keys_proc_write, |
| 1637 | }; |
| 1638 | |
| 1639 | static int version_proc_show(struct seq_file *m, void *v) |
| 1640 | { |
| 1641 | seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION); |
| 1642 | seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION); |
| 1643 | return 0; |
| 1644 | } |
| 1645 | |
| 1646 | static int version_proc_open(struct inode *inode, struct file *file) |
| 1647 | { |
| 1648 | return single_open(file, version_proc_show, PDE_DATA(inode)); |
| 1649 | } |
| 1650 | |
| 1651 | static const struct file_operations version_proc_fops = { |
| 1652 | .owner = THIS_MODULE, |
| 1653 | .open = version_proc_open, |
| 1654 | .read = seq_read, |
| 1655 | .llseek = seq_lseek, |
| 1656 | .release = single_release, |
| 1657 | }; |
| 1658 | |
| 1659 | /* |
| 1660 | * Proc and module init |
| 1661 | */ |
| 1662 | |
| 1663 | #define PROC_TOSHIBA "toshiba" |
| 1664 | |
| 1665 | static void create_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
| 1666 | { |
| 1667 | if (dev->backlight_dev) |
| 1668 | proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| 1669 | &lcd_proc_fops, dev); |
| 1670 | if (dev->video_supported) |
| 1671 | proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| 1672 | &video_proc_fops, dev); |
| 1673 | if (dev->fan_supported) |
| 1674 | proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| 1675 | &fan_proc_fops, dev); |
| 1676 | if (dev->hotkey_dev) |
| 1677 | proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, |
| 1678 | &keys_proc_fops, dev); |
| 1679 | proc_create_data("version", S_IRUGO, toshiba_proc_dir, |
| 1680 | &version_proc_fops, dev); |
| 1681 | } |
| 1682 | |
| 1683 | static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
| 1684 | { |
| 1685 | if (dev->backlight_dev) |
| 1686 | remove_proc_entry("lcd", toshiba_proc_dir); |
| 1687 | if (dev->video_supported) |
| 1688 | remove_proc_entry("video", toshiba_proc_dir); |
| 1689 | if (dev->fan_supported) |
| 1690 | remove_proc_entry("fan", toshiba_proc_dir); |
| 1691 | if (dev->hotkey_dev) |
| 1692 | remove_proc_entry("keys", toshiba_proc_dir); |
| 1693 | remove_proc_entry("version", toshiba_proc_dir); |
| 1694 | } |
| 1695 | |
| 1696 | static const struct backlight_ops toshiba_backlight_data = { |
| 1697 | .options = BL_CORE_SUSPENDRESUME, |
| 1698 | .get_brightness = get_lcd_brightness, |
| 1699 | .update_status = set_lcd_status, |
| 1700 | }; |
| 1701 | |
| 1702 | /* Keyboard backlight work */ |
| 1703 | static void toshiba_acpi_kbd_bl_work(struct work_struct *work); |
| 1704 | |
| 1705 | static DECLARE_WORK(kbd_bl_work, toshiba_acpi_kbd_bl_work); |
| 1706 | |
| 1707 | /* |
| 1708 | * Sysfs files |
| 1709 | */ |
| 1710 | static ssize_t version_show(struct device *dev, |
| 1711 | struct device_attribute *attr, char *buf) |
| 1712 | { |
| 1713 | return sprintf(buf, "%s\n", TOSHIBA_ACPI_VERSION); |
| 1714 | } |
| 1715 | static DEVICE_ATTR_RO(version); |
| 1716 | |
| 1717 | static ssize_t fan_store(struct device *dev, |
| 1718 | struct device_attribute *attr, |
| 1719 | const char *buf, size_t count) |
| 1720 | { |
| 1721 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1722 | int state; |
| 1723 | int ret; |
| 1724 | |
| 1725 | ret = kstrtoint(buf, 0, &state); |
| 1726 | if (ret) |
| 1727 | return ret; |
| 1728 | |
| 1729 | if (state != 0 && state != 1) |
| 1730 | return -EINVAL; |
| 1731 | |
| 1732 | ret = set_fan_status(toshiba, state); |
| 1733 | if (ret) |
| 1734 | return ret; |
| 1735 | |
| 1736 | return count; |
| 1737 | } |
| 1738 | |
| 1739 | static ssize_t fan_show(struct device *dev, |
| 1740 | struct device_attribute *attr, char *buf) |
| 1741 | { |
| 1742 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1743 | u32 value; |
| 1744 | int ret; |
| 1745 | |
| 1746 | ret = get_fan_status(toshiba, &value); |
| 1747 | if (ret) |
| 1748 | return ret; |
| 1749 | |
| 1750 | return sprintf(buf, "%d\n", value); |
| 1751 | } |
| 1752 | static DEVICE_ATTR_RW(fan); |
| 1753 | |
| 1754 | static ssize_t kbd_backlight_mode_store(struct device *dev, |
| 1755 | struct device_attribute *attr, |
| 1756 | const char *buf, size_t count) |
| 1757 | { |
| 1758 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1759 | int mode; |
| 1760 | int ret; |
| 1761 | |
| 1762 | |
| 1763 | ret = kstrtoint(buf, 0, &mode); |
| 1764 | if (ret) |
| 1765 | return ret; |
| 1766 | |
| 1767 | /* Check for supported modes depending on keyboard backlight type */ |
| 1768 | if (toshiba->kbd_type == 1) { |
| 1769 | /* Type 1 supports SCI_KBD_MODE_FNZ and SCI_KBD_MODE_AUTO */ |
| 1770 | if (mode != SCI_KBD_MODE_FNZ && mode != SCI_KBD_MODE_AUTO) |
| 1771 | return -EINVAL; |
| 1772 | } else if (toshiba->kbd_type == 2) { |
| 1773 | /* Type 2 doesn't support SCI_KBD_MODE_FNZ */ |
| 1774 | if (mode != SCI_KBD_MODE_AUTO && mode != SCI_KBD_MODE_ON && |
| 1775 | mode != SCI_KBD_MODE_OFF) |
| 1776 | return -EINVAL; |
| 1777 | } |
| 1778 | |
| 1779 | /* |
| 1780 | * Set the Keyboard Backlight Mode where: |
| 1781 | * Auto - KBD backlight turns off automatically in given time |
| 1782 | * FN-Z - KBD backlight "toggles" when hotkey pressed |
| 1783 | * ON - KBD backlight is always on |
| 1784 | * OFF - KBD backlight is always off |
| 1785 | */ |
| 1786 | |
| 1787 | /* Only make a change if the actual mode has changed */ |
| 1788 | if (toshiba->kbd_mode != mode) { |
| 1789 | /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ |
| 1790 | int time = toshiba->kbd_time << HCI_MISC_SHIFT; |
| 1791 | |
| 1792 | /* OR the "base time" to the actual method format */ |
| 1793 | if (toshiba->kbd_type == 1) { |
| 1794 | /* Type 1 requires the current mode */ |
| 1795 | time |= toshiba->kbd_mode; |
| 1796 | } else if (toshiba->kbd_type == 2) { |
| 1797 | /* Type 2 requires the desired mode */ |
| 1798 | time |= mode; |
| 1799 | } |
| 1800 | |
| 1801 | ret = toshiba_kbd_illum_status_set(toshiba, time); |
| 1802 | if (ret) |
| 1803 | return ret; |
| 1804 | |
| 1805 | toshiba->kbd_mode = mode; |
| 1806 | |
| 1807 | /* |
| 1808 | * Some laptop models with the second generation backlit |
| 1809 | * keyboard (type 2) do not generate the keyboard backlight |
| 1810 | * changed event (0x92), and thus, the driver will never update |
| 1811 | * the sysfs entries. |
| 1812 | * |
| 1813 | * The event is generated right when changing the keyboard |
| 1814 | * backlight mode and the *notify function will set the |
| 1815 | * kbd_event_generated to true. |
| 1816 | * |
| 1817 | * In case the event is not generated, schedule the keyboard |
| 1818 | * backlight work to update the sysfs entries and emulate the |
| 1819 | * event via genetlink. |
| 1820 | */ |
| 1821 | if (toshiba->kbd_type == 2 && |
| 1822 | !toshiba_acpi->kbd_event_generated) |
| 1823 | schedule_work(&kbd_bl_work); |
| 1824 | } |
| 1825 | |
| 1826 | return count; |
| 1827 | } |
| 1828 | |
| 1829 | static ssize_t kbd_backlight_mode_show(struct device *dev, |
| 1830 | struct device_attribute *attr, |
| 1831 | char *buf) |
| 1832 | { |
| 1833 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1834 | u32 time; |
| 1835 | |
| 1836 | if (toshiba_kbd_illum_status_get(toshiba, &time) < 0) |
| 1837 | return -EIO; |
| 1838 | |
| 1839 | return sprintf(buf, "%i\n", time & SCI_KBD_MODE_MASK); |
| 1840 | } |
| 1841 | static DEVICE_ATTR_RW(kbd_backlight_mode); |
| 1842 | |
| 1843 | static ssize_t kbd_type_show(struct device *dev, |
| 1844 | struct device_attribute *attr, char *buf) |
| 1845 | { |
| 1846 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1847 | |
| 1848 | return sprintf(buf, "%d\n", toshiba->kbd_type); |
| 1849 | } |
| 1850 | static DEVICE_ATTR_RO(kbd_type); |
| 1851 | |
| 1852 | static ssize_t available_kbd_modes_show(struct device *dev, |
| 1853 | struct device_attribute *attr, |
| 1854 | char *buf) |
| 1855 | { |
| 1856 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1857 | |
| 1858 | if (toshiba->kbd_type == 1) |
| 1859 | return sprintf(buf, "0x%x 0x%x\n", |
| 1860 | SCI_KBD_MODE_FNZ, SCI_KBD_MODE_AUTO); |
| 1861 | |
| 1862 | return sprintf(buf, "0x%x 0x%x 0x%x\n", |
| 1863 | SCI_KBD_MODE_AUTO, SCI_KBD_MODE_ON, SCI_KBD_MODE_OFF); |
| 1864 | } |
| 1865 | static DEVICE_ATTR_RO(available_kbd_modes); |
| 1866 | |
| 1867 | static ssize_t kbd_backlight_timeout_store(struct device *dev, |
| 1868 | struct device_attribute *attr, |
| 1869 | const char *buf, size_t count) |
| 1870 | { |
| 1871 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1872 | int time; |
| 1873 | int ret; |
| 1874 | |
| 1875 | ret = kstrtoint(buf, 0, &time); |
| 1876 | if (ret) |
| 1877 | return ret; |
| 1878 | |
| 1879 | /* Check for supported values depending on kbd_type */ |
| 1880 | if (toshiba->kbd_type == 1) { |
| 1881 | if (time < 0 || time > 60) |
| 1882 | return -EINVAL; |
| 1883 | } else if (toshiba->kbd_type == 2) { |
| 1884 | if (time < 1 || time > 60) |
| 1885 | return -EINVAL; |
| 1886 | } |
| 1887 | |
| 1888 | /* Set the Keyboard Backlight Timeout */ |
| 1889 | |
| 1890 | /* Only make a change if the actual timeout has changed */ |
| 1891 | if (toshiba->kbd_time != time) { |
| 1892 | /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ |
| 1893 | time = time << HCI_MISC_SHIFT; |
| 1894 | /* OR the "base time" to the actual method format */ |
| 1895 | if (toshiba->kbd_type == 1) |
| 1896 | time |= SCI_KBD_MODE_FNZ; |
| 1897 | else if (toshiba->kbd_type == 2) |
| 1898 | time |= SCI_KBD_MODE_AUTO; |
| 1899 | |
| 1900 | ret = toshiba_kbd_illum_status_set(toshiba, time); |
| 1901 | if (ret) |
| 1902 | return ret; |
| 1903 | |
| 1904 | toshiba->kbd_time = time >> HCI_MISC_SHIFT; |
| 1905 | } |
| 1906 | |
| 1907 | return count; |
| 1908 | } |
| 1909 | |
| 1910 | static ssize_t kbd_backlight_timeout_show(struct device *dev, |
| 1911 | struct device_attribute *attr, |
| 1912 | char *buf) |
| 1913 | { |
| 1914 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1915 | u32 time; |
| 1916 | |
| 1917 | if (toshiba_kbd_illum_status_get(toshiba, &time) < 0) |
| 1918 | return -EIO; |
| 1919 | |
| 1920 | return sprintf(buf, "%i\n", time >> HCI_MISC_SHIFT); |
| 1921 | } |
| 1922 | static DEVICE_ATTR_RW(kbd_backlight_timeout); |
| 1923 | |
| 1924 | static ssize_t touchpad_store(struct device *dev, |
| 1925 | struct device_attribute *attr, |
| 1926 | const char *buf, size_t count) |
| 1927 | { |
| 1928 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1929 | int state; |
| 1930 | int ret; |
| 1931 | |
| 1932 | /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */ |
| 1933 | ret = kstrtoint(buf, 0, &state); |
| 1934 | if (ret) |
| 1935 | return ret; |
| 1936 | if (state != 0 && state != 1) |
| 1937 | return -EINVAL; |
| 1938 | |
| 1939 | ret = toshiba_touchpad_set(toshiba, state); |
| 1940 | if (ret) |
| 1941 | return ret; |
| 1942 | |
| 1943 | return count; |
| 1944 | } |
| 1945 | |
| 1946 | static ssize_t touchpad_show(struct device *dev, |
| 1947 | struct device_attribute *attr, char *buf) |
| 1948 | { |
| 1949 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1950 | u32 state; |
| 1951 | int ret; |
| 1952 | |
| 1953 | ret = toshiba_touchpad_get(toshiba, &state); |
| 1954 | if (ret < 0) |
| 1955 | return ret; |
| 1956 | |
| 1957 | return sprintf(buf, "%i\n", state); |
| 1958 | } |
| 1959 | static DEVICE_ATTR_RW(touchpad); |
| 1960 | |
| 1961 | static ssize_t position_show(struct device *dev, |
| 1962 | struct device_attribute *attr, char *buf) |
| 1963 | { |
| 1964 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1965 | u32 xyval, zval, tmp; |
| 1966 | u16 x, y, z; |
| 1967 | int ret; |
| 1968 | |
| 1969 | xyval = zval = 0; |
| 1970 | ret = toshiba_accelerometer_get(toshiba, &xyval, &zval); |
| 1971 | if (ret < 0) |
| 1972 | return ret; |
| 1973 | |
| 1974 | x = xyval & HCI_ACCEL_MASK; |
| 1975 | tmp = xyval >> HCI_MISC_SHIFT; |
| 1976 | y = tmp & HCI_ACCEL_MASK; |
| 1977 | z = zval & HCI_ACCEL_MASK; |
| 1978 | |
| 1979 | return sprintf(buf, "%d %d %d\n", x, y, z); |
| 1980 | } |
| 1981 | static DEVICE_ATTR_RO(position); |
| 1982 | |
| 1983 | static ssize_t usb_sleep_charge_show(struct device *dev, |
| 1984 | struct device_attribute *attr, char *buf) |
| 1985 | { |
| 1986 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 1987 | u32 mode; |
| 1988 | int ret; |
| 1989 | |
| 1990 | ret = toshiba_usb_sleep_charge_get(toshiba, &mode); |
| 1991 | if (ret < 0) |
| 1992 | return ret; |
| 1993 | |
| 1994 | return sprintf(buf, "%x\n", mode & SCI_USB_CHARGE_MODE_MASK); |
| 1995 | } |
| 1996 | |
| 1997 | static ssize_t usb_sleep_charge_store(struct device *dev, |
| 1998 | struct device_attribute *attr, |
| 1999 | const char *buf, size_t count) |
| 2000 | { |
| 2001 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2002 | u32 mode; |
| 2003 | int state; |
| 2004 | int ret; |
| 2005 | |
| 2006 | ret = kstrtoint(buf, 0, &state); |
| 2007 | if (ret) |
| 2008 | return ret; |
| 2009 | /* |
| 2010 | * Check for supported values, where: |
| 2011 | * 0 - Disabled |
| 2012 | * 1 - Alternate (Non USB conformant devices that require more power) |
| 2013 | * 2 - Auto (USB conformant devices) |
| 2014 | * 3 - Typical |
| 2015 | */ |
| 2016 | if (state != 0 && state != 1 && state != 2 && state != 3) |
| 2017 | return -EINVAL; |
| 2018 | |
| 2019 | /* Set the USB charging mode to internal value */ |
| 2020 | mode = toshiba->usbsc_mode_base; |
| 2021 | if (state == 0) |
| 2022 | mode |= SCI_USB_CHARGE_DISABLED; |
| 2023 | else if (state == 1) |
| 2024 | mode |= SCI_USB_CHARGE_ALTERNATE; |
| 2025 | else if (state == 2) |
| 2026 | mode |= SCI_USB_CHARGE_AUTO; |
| 2027 | else if (state == 3) |
| 2028 | mode |= SCI_USB_CHARGE_TYPICAL; |
| 2029 | |
| 2030 | ret = toshiba_usb_sleep_charge_set(toshiba, mode); |
| 2031 | if (ret) |
| 2032 | return ret; |
| 2033 | |
| 2034 | return count; |
| 2035 | } |
| 2036 | static DEVICE_ATTR_RW(usb_sleep_charge); |
| 2037 | |
| 2038 | static ssize_t sleep_functions_on_battery_show(struct device *dev, |
| 2039 | struct device_attribute *attr, |
| 2040 | char *buf) |
| 2041 | { |
| 2042 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2043 | u32 state; |
| 2044 | int bat_lvl; |
| 2045 | int status; |
| 2046 | int ret; |
| 2047 | int tmp; |
| 2048 | |
| 2049 | ret = toshiba_sleep_functions_status_get(toshiba, &state); |
| 2050 | if (ret < 0) |
| 2051 | return ret; |
| 2052 | |
| 2053 | /* Determine the status: 0x4 - Enabled | 0x1 - Disabled */ |
| 2054 | tmp = state & SCI_USB_CHARGE_BAT_MASK; |
| 2055 | status = (tmp == 0x4) ? 1 : 0; |
| 2056 | /* Determine the battery level set */ |
| 2057 | bat_lvl = state >> HCI_MISC_SHIFT; |
| 2058 | |
| 2059 | return sprintf(buf, "%d %d\n", status, bat_lvl); |
| 2060 | } |
| 2061 | |
| 2062 | static ssize_t sleep_functions_on_battery_store(struct device *dev, |
| 2063 | struct device_attribute *attr, |
| 2064 | const char *buf, size_t count) |
| 2065 | { |
| 2066 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2067 | u32 status; |
| 2068 | int value; |
| 2069 | int ret; |
| 2070 | int tmp; |
| 2071 | |
| 2072 | ret = kstrtoint(buf, 0, &value); |
| 2073 | if (ret) |
| 2074 | return ret; |
| 2075 | |
| 2076 | /* |
| 2077 | * Set the status of the function: |
| 2078 | * 0 - Disabled |
| 2079 | * 1-100 - Enabled |
| 2080 | */ |
| 2081 | if (value < 0 || value > 100) |
| 2082 | return -EINVAL; |
| 2083 | |
| 2084 | if (value == 0) { |
| 2085 | tmp = toshiba->usbsc_bat_level << HCI_MISC_SHIFT; |
| 2086 | status = tmp | SCI_USB_CHARGE_BAT_LVL_OFF; |
| 2087 | } else { |
| 2088 | tmp = value << HCI_MISC_SHIFT; |
| 2089 | status = tmp | SCI_USB_CHARGE_BAT_LVL_ON; |
| 2090 | } |
| 2091 | ret = toshiba_sleep_functions_status_set(toshiba, status); |
| 2092 | if (ret < 0) |
| 2093 | return ret; |
| 2094 | |
| 2095 | toshiba->usbsc_bat_level = status >> HCI_MISC_SHIFT; |
| 2096 | |
| 2097 | return count; |
| 2098 | } |
| 2099 | static DEVICE_ATTR_RW(sleep_functions_on_battery); |
| 2100 | |
| 2101 | static ssize_t usb_rapid_charge_show(struct device *dev, |
| 2102 | struct device_attribute *attr, char *buf) |
| 2103 | { |
| 2104 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2105 | u32 state; |
| 2106 | int ret; |
| 2107 | |
| 2108 | ret = toshiba_usb_rapid_charge_get(toshiba, &state); |
| 2109 | if (ret < 0) |
| 2110 | return ret; |
| 2111 | |
| 2112 | return sprintf(buf, "%d\n", state); |
| 2113 | } |
| 2114 | |
| 2115 | static ssize_t usb_rapid_charge_store(struct device *dev, |
| 2116 | struct device_attribute *attr, |
| 2117 | const char *buf, size_t count) |
| 2118 | { |
| 2119 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2120 | int state; |
| 2121 | int ret; |
| 2122 | |
| 2123 | ret = kstrtoint(buf, 0, &state); |
| 2124 | if (ret) |
| 2125 | return ret; |
| 2126 | if (state != 0 && state != 1) |
| 2127 | return -EINVAL; |
| 2128 | |
| 2129 | ret = toshiba_usb_rapid_charge_set(toshiba, state); |
| 2130 | if (ret) |
| 2131 | return ret; |
| 2132 | |
| 2133 | return count; |
| 2134 | } |
| 2135 | static DEVICE_ATTR_RW(usb_rapid_charge); |
| 2136 | |
| 2137 | static ssize_t usb_sleep_music_show(struct device *dev, |
| 2138 | struct device_attribute *attr, char *buf) |
| 2139 | { |
| 2140 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2141 | u32 state; |
| 2142 | int ret; |
| 2143 | |
| 2144 | ret = toshiba_usb_sleep_music_get(toshiba, &state); |
| 2145 | if (ret < 0) |
| 2146 | return ret; |
| 2147 | |
| 2148 | return sprintf(buf, "%d\n", state); |
| 2149 | } |
| 2150 | |
| 2151 | static ssize_t usb_sleep_music_store(struct device *dev, |
| 2152 | struct device_attribute *attr, |
| 2153 | const char *buf, size_t count) |
| 2154 | { |
| 2155 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2156 | int state; |
| 2157 | int ret; |
| 2158 | |
| 2159 | ret = kstrtoint(buf, 0, &state); |
| 2160 | if (ret) |
| 2161 | return ret; |
| 2162 | if (state != 0 && state != 1) |
| 2163 | return -EINVAL; |
| 2164 | |
| 2165 | ret = toshiba_usb_sleep_music_set(toshiba, state); |
| 2166 | if (ret) |
| 2167 | return ret; |
| 2168 | |
| 2169 | return count; |
| 2170 | } |
| 2171 | static DEVICE_ATTR_RW(usb_sleep_music); |
| 2172 | |
| 2173 | static ssize_t kbd_function_keys_show(struct device *dev, |
| 2174 | struct device_attribute *attr, char *buf) |
| 2175 | { |
| 2176 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2177 | int mode; |
| 2178 | int ret; |
| 2179 | |
| 2180 | ret = toshiba_function_keys_get(toshiba, &mode); |
| 2181 | if (ret < 0) |
| 2182 | return ret; |
| 2183 | |
| 2184 | return sprintf(buf, "%d\n", mode); |
| 2185 | } |
| 2186 | |
| 2187 | static ssize_t kbd_function_keys_store(struct device *dev, |
| 2188 | struct device_attribute *attr, |
| 2189 | const char *buf, size_t count) |
| 2190 | { |
| 2191 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2192 | int mode; |
| 2193 | int ret; |
| 2194 | |
| 2195 | ret = kstrtoint(buf, 0, &mode); |
| 2196 | if (ret) |
| 2197 | return ret; |
| 2198 | /* |
| 2199 | * Check for the function keys mode where: |
| 2200 | * 0 - Normal operation (F{1-12} as usual and hotkeys via FN-F{1-12}) |
| 2201 | * 1 - Special functions (Opposite of the above setting) |
| 2202 | */ |
| 2203 | if (mode != 0 && mode != 1) |
| 2204 | return -EINVAL; |
| 2205 | |
| 2206 | ret = toshiba_function_keys_set(toshiba, mode); |
| 2207 | if (ret) |
| 2208 | return ret; |
| 2209 | |
| 2210 | pr_info("Reboot for changes to KBD Function Keys to take effect"); |
| 2211 | |
| 2212 | return count; |
| 2213 | } |
| 2214 | static DEVICE_ATTR_RW(kbd_function_keys); |
| 2215 | |
| 2216 | static ssize_t panel_power_on_show(struct device *dev, |
| 2217 | struct device_attribute *attr, char *buf) |
| 2218 | { |
| 2219 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2220 | u32 state; |
| 2221 | int ret; |
| 2222 | |
| 2223 | ret = toshiba_panel_power_on_get(toshiba, &state); |
| 2224 | if (ret < 0) |
| 2225 | return ret; |
| 2226 | |
| 2227 | return sprintf(buf, "%d\n", state); |
| 2228 | } |
| 2229 | |
| 2230 | static ssize_t panel_power_on_store(struct device *dev, |
| 2231 | struct device_attribute *attr, |
| 2232 | const char *buf, size_t count) |
| 2233 | { |
| 2234 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2235 | int state; |
| 2236 | int ret; |
| 2237 | |
| 2238 | ret = kstrtoint(buf, 0, &state); |
| 2239 | if (ret) |
| 2240 | return ret; |
| 2241 | if (state != 0 && state != 1) |
| 2242 | return -EINVAL; |
| 2243 | |
| 2244 | ret = toshiba_panel_power_on_set(toshiba, state); |
| 2245 | if (ret) |
| 2246 | return ret; |
| 2247 | |
| 2248 | pr_info("Reboot for changes to Panel Power ON to take effect"); |
| 2249 | |
| 2250 | return count; |
| 2251 | } |
| 2252 | static DEVICE_ATTR_RW(panel_power_on); |
| 2253 | |
| 2254 | static ssize_t usb_three_show(struct device *dev, |
| 2255 | struct device_attribute *attr, char *buf) |
| 2256 | { |
| 2257 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2258 | u32 state; |
| 2259 | int ret; |
| 2260 | |
| 2261 | ret = toshiba_usb_three_get(toshiba, &state); |
| 2262 | if (ret < 0) |
| 2263 | return ret; |
| 2264 | |
| 2265 | return sprintf(buf, "%d\n", state); |
| 2266 | } |
| 2267 | |
| 2268 | static ssize_t usb_three_store(struct device *dev, |
| 2269 | struct device_attribute *attr, |
| 2270 | const char *buf, size_t count) |
| 2271 | { |
| 2272 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2273 | int state; |
| 2274 | int ret; |
| 2275 | |
| 2276 | ret = kstrtoint(buf, 0, &state); |
| 2277 | if (ret) |
| 2278 | return ret; |
| 2279 | /* |
| 2280 | * Check for USB 3 mode where: |
| 2281 | * 0 - Disabled (Acts like a USB 2 port, saving power) |
| 2282 | * 1 - Enabled |
| 2283 | */ |
| 2284 | if (state != 0 && state != 1) |
| 2285 | return -EINVAL; |
| 2286 | |
| 2287 | ret = toshiba_usb_three_set(toshiba, state); |
| 2288 | if (ret) |
| 2289 | return ret; |
| 2290 | |
| 2291 | pr_info("Reboot for changes to USB 3 to take effect"); |
| 2292 | |
| 2293 | return count; |
| 2294 | } |
| 2295 | static DEVICE_ATTR_RW(usb_three); |
| 2296 | |
| 2297 | static ssize_t cooling_method_show(struct device *dev, |
| 2298 | struct device_attribute *attr, char *buf) |
| 2299 | { |
| 2300 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2301 | int state; |
| 2302 | int ret; |
| 2303 | |
| 2304 | ret = toshiba_cooling_method_get(toshiba, &state); |
| 2305 | if (ret < 0) |
| 2306 | return ret; |
| 2307 | |
| 2308 | return sprintf(buf, "%d %d\n", state, toshiba->max_cooling_method); |
| 2309 | } |
| 2310 | |
| 2311 | static ssize_t cooling_method_store(struct device *dev, |
| 2312 | struct device_attribute *attr, |
| 2313 | const char *buf, size_t count) |
| 2314 | { |
| 2315 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); |
| 2316 | int state; |
| 2317 | int ret; |
| 2318 | |
| 2319 | ret = kstrtoint(buf, 0, &state); |
| 2320 | if (ret) |
| 2321 | return ret; |
| 2322 | |
| 2323 | /* |
| 2324 | * Check for supported values |
| 2325 | * Depending on the laptop model, some only support these two: |
| 2326 | * 0 - Maximum Performance |
| 2327 | * 1 - Battery Optimized |
| 2328 | * |
| 2329 | * While some others support all three methods: |
| 2330 | * 0 - Maximum Performance |
| 2331 | * 1 - Performance |
| 2332 | * 2 - Battery Optimized |
| 2333 | */ |
| 2334 | if (state < 0 || state > toshiba->max_cooling_method) |
| 2335 | return -EINVAL; |
| 2336 | |
| 2337 | ret = toshiba_cooling_method_set(toshiba, state); |
| 2338 | if (ret) |
| 2339 | return ret; |
| 2340 | |
| 2341 | return count; |
| 2342 | } |
| 2343 | static DEVICE_ATTR_RW(cooling_method); |
| 2344 | |
| 2345 | static struct attribute *toshiba_attributes[] = { |
| 2346 | &dev_attr_version.attr, |
| 2347 | &dev_attr_fan.attr, |
| 2348 | &dev_attr_kbd_backlight_mode.attr, |
| 2349 | &dev_attr_kbd_type.attr, |
| 2350 | &dev_attr_available_kbd_modes.attr, |
| 2351 | &dev_attr_kbd_backlight_timeout.attr, |
| 2352 | &dev_attr_touchpad.attr, |
| 2353 | &dev_attr_position.attr, |
| 2354 | &dev_attr_usb_sleep_charge.attr, |
| 2355 | &dev_attr_sleep_functions_on_battery.attr, |
| 2356 | &dev_attr_usb_rapid_charge.attr, |
| 2357 | &dev_attr_usb_sleep_music.attr, |
| 2358 | &dev_attr_kbd_function_keys.attr, |
| 2359 | &dev_attr_panel_power_on.attr, |
| 2360 | &dev_attr_usb_three.attr, |
| 2361 | &dev_attr_cooling_method.attr, |
| 2362 | NULL, |
| 2363 | }; |
| 2364 | |
| 2365 | static umode_t toshiba_sysfs_is_visible(struct kobject *kobj, |
| 2366 | struct attribute *attr, int idx) |
| 2367 | { |
| 2368 | struct device *dev = container_of(kobj, struct device, kobj); |
| 2369 | struct toshiba_acpi_dev *drv = dev_get_drvdata(dev); |
| 2370 | bool exists = true; |
| 2371 | |
| 2372 | if (attr == &dev_attr_fan.attr) |
| 2373 | exists = (drv->fan_supported) ? true : false; |
| 2374 | else if (attr == &dev_attr_kbd_backlight_mode.attr) |
| 2375 | exists = (drv->kbd_illum_supported) ? true : false; |
| 2376 | else if (attr == &dev_attr_kbd_backlight_timeout.attr) |
| 2377 | exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false; |
| 2378 | else if (attr == &dev_attr_touchpad.attr) |
| 2379 | exists = (drv->touchpad_supported) ? true : false; |
| 2380 | else if (attr == &dev_attr_position.attr) |
| 2381 | exists = (drv->accelerometer_supported) ? true : false; |
| 2382 | else if (attr == &dev_attr_usb_sleep_charge.attr) |
| 2383 | exists = (drv->usb_sleep_charge_supported) ? true : false; |
| 2384 | else if (attr == &dev_attr_sleep_functions_on_battery.attr) |
| 2385 | exists = (drv->usb_sleep_charge_supported) ? true : false; |
| 2386 | else if (attr == &dev_attr_usb_rapid_charge.attr) |
| 2387 | exists = (drv->usb_rapid_charge_supported) ? true : false; |
| 2388 | else if (attr == &dev_attr_usb_sleep_music.attr) |
| 2389 | exists = (drv->usb_sleep_music_supported) ? true : false; |
| 2390 | else if (attr == &dev_attr_kbd_function_keys.attr) |
| 2391 | exists = (drv->kbd_function_keys_supported) ? true : false; |
| 2392 | else if (attr == &dev_attr_panel_power_on.attr) |
| 2393 | exists = (drv->panel_power_on_supported) ? true : false; |
| 2394 | else if (attr == &dev_attr_usb_three.attr) |
| 2395 | exists = (drv->usb_three_supported) ? true : false; |
| 2396 | else if (attr == &dev_attr_cooling_method.attr) |
| 2397 | exists = (drv->cooling_method_supported) ? true : false; |
| 2398 | |
| 2399 | return exists ? attr->mode : 0; |
| 2400 | } |
| 2401 | |
| 2402 | static struct attribute_group toshiba_attr_group = { |
| 2403 | .is_visible = toshiba_sysfs_is_visible, |
| 2404 | .attrs = toshiba_attributes, |
| 2405 | }; |
| 2406 | |
| 2407 | static void toshiba_acpi_kbd_bl_work(struct work_struct *work) |
| 2408 | { |
| 2409 | struct acpi_device *acpi_dev = toshiba_acpi->acpi_dev; |
| 2410 | |
| 2411 | /* Update the sysfs entries */ |
| 2412 | if (sysfs_update_group(&acpi_dev->dev.kobj, |
| 2413 | &toshiba_attr_group)) |
| 2414 | pr_err("Unable to update sysfs entries\n"); |
| 2415 | |
| 2416 | /* Emulate the keyboard backlight event */ |
| 2417 | acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class, |
| 2418 | dev_name(&acpi_dev->dev), |
| 2419 | 0x92, 0); |
| 2420 | } |
| 2421 | |
| 2422 | /* |
| 2423 | * Misc device |
| 2424 | */ |
| 2425 | static int toshiba_acpi_smm_bridge(SMMRegisters *regs) |
| 2426 | { |
| 2427 | u32 in[TCI_WORDS] = { regs->eax, regs->ebx, regs->ecx, |
| 2428 | regs->edx, regs->esi, regs->edi }; |
| 2429 | u32 out[TCI_WORDS]; |
| 2430 | acpi_status status; |
| 2431 | |
| 2432 | status = tci_raw(toshiba_acpi, in, out); |
| 2433 | if (ACPI_FAILURE(status)) { |
| 2434 | pr_err("ACPI call to query SMM registers failed\n"); |
| 2435 | return -EIO; |
| 2436 | } |
| 2437 | |
| 2438 | /* Fillout the SMM struct with the TCI call results */ |
| 2439 | regs->eax = out[0]; |
| 2440 | regs->ebx = out[1]; |
| 2441 | regs->ecx = out[2]; |
| 2442 | regs->edx = out[3]; |
| 2443 | regs->esi = out[4]; |
| 2444 | regs->edi = out[5]; |
| 2445 | |
| 2446 | return 0; |
| 2447 | } |
| 2448 | |
| 2449 | static long toshiba_acpi_ioctl(struct file *fp, unsigned int cmd, |
| 2450 | unsigned long arg) |
| 2451 | { |
| 2452 | SMMRegisters __user *argp = (SMMRegisters __user *)arg; |
| 2453 | SMMRegisters regs; |
| 2454 | int ret; |
| 2455 | |
| 2456 | if (!argp) |
| 2457 | return -EINVAL; |
| 2458 | |
| 2459 | switch (cmd) { |
| 2460 | case TOSH_SMM: |
| 2461 | if (copy_from_user(®s, argp, sizeof(SMMRegisters))) |
| 2462 | return -EFAULT; |
| 2463 | ret = toshiba_acpi_smm_bridge(®s); |
| 2464 | if (ret) |
| 2465 | return ret; |
| 2466 | if (copy_to_user(argp, ®s, sizeof(SMMRegisters))) |
| 2467 | return -EFAULT; |
| 2468 | break; |
| 2469 | case TOSHIBA_ACPI_SCI: |
| 2470 | if (copy_from_user(®s, argp, sizeof(SMMRegisters))) |
| 2471 | return -EFAULT; |
| 2472 | /* Ensure we are being called with a SCI_{GET, SET} register */ |
| 2473 | if (regs.eax != SCI_GET && regs.eax != SCI_SET) |
| 2474 | return -EINVAL; |
| 2475 | if (!sci_open(toshiba_acpi)) |
| 2476 | return -EIO; |
| 2477 | ret = toshiba_acpi_smm_bridge(®s); |
| 2478 | sci_close(toshiba_acpi); |
| 2479 | if (ret) |
| 2480 | return ret; |
| 2481 | if (copy_to_user(argp, ®s, sizeof(SMMRegisters))) |
| 2482 | return -EFAULT; |
| 2483 | break; |
| 2484 | default: |
| 2485 | return -EINVAL; |
| 2486 | } |
| 2487 | |
| 2488 | return 0; |
| 2489 | } |
| 2490 | |
| 2491 | static const struct file_operations toshiba_acpi_fops = { |
| 2492 | .owner = THIS_MODULE, |
| 2493 | .unlocked_ioctl = toshiba_acpi_ioctl, |
| 2494 | .llseek = noop_llseek, |
| 2495 | }; |
| 2496 | |
| 2497 | /* |
| 2498 | * WWAN RFKill handlers |
| 2499 | */ |
| 2500 | static int toshiba_acpi_wwan_set_block(void *data, bool blocked) |
| 2501 | { |
| 2502 | struct toshiba_acpi_dev *dev = data; |
| 2503 | int ret; |
| 2504 | |
| 2505 | ret = toshiba_wireless_status(dev); |
| 2506 | if (ret) |
| 2507 | return ret; |
| 2508 | |
| 2509 | if (!dev->killswitch) |
| 2510 | return 0; |
| 2511 | |
| 2512 | return toshiba_wwan_set(dev, !blocked); |
| 2513 | } |
| 2514 | |
| 2515 | static void toshiba_acpi_wwan_poll(struct rfkill *rfkill, void *data) |
| 2516 | { |
| 2517 | struct toshiba_acpi_dev *dev = data; |
| 2518 | |
| 2519 | if (toshiba_wireless_status(dev)) |
| 2520 | return; |
| 2521 | |
| 2522 | rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch); |
| 2523 | } |
| 2524 | |
| 2525 | static const struct rfkill_ops wwan_rfk_ops = { |
| 2526 | .set_block = toshiba_acpi_wwan_set_block, |
| 2527 | .poll = toshiba_acpi_wwan_poll, |
| 2528 | }; |
| 2529 | |
| 2530 | static int toshiba_acpi_setup_wwan_rfkill(struct toshiba_acpi_dev *dev) |
| 2531 | { |
| 2532 | int ret = toshiba_wireless_status(dev); |
| 2533 | |
| 2534 | if (ret) |
| 2535 | return ret; |
| 2536 | |
| 2537 | dev->wwan_rfk = rfkill_alloc("Toshiba WWAN", |
| 2538 | &dev->acpi_dev->dev, |
| 2539 | RFKILL_TYPE_WWAN, |
| 2540 | &wwan_rfk_ops, |
| 2541 | dev); |
| 2542 | if (!dev->wwan_rfk) { |
| 2543 | pr_err("Unable to allocate WWAN rfkill device\n"); |
| 2544 | return -ENOMEM; |
| 2545 | } |
| 2546 | |
| 2547 | rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch); |
| 2548 | |
| 2549 | ret = rfkill_register(dev->wwan_rfk); |
| 2550 | if (ret) { |
| 2551 | pr_err("Unable to register WWAN rfkill device\n"); |
| 2552 | rfkill_destroy(dev->wwan_rfk); |
| 2553 | } |
| 2554 | |
| 2555 | return ret; |
| 2556 | } |
| 2557 | |
| 2558 | /* |
| 2559 | * Hotkeys |
| 2560 | */ |
| 2561 | static int toshiba_acpi_enable_hotkeys(struct toshiba_acpi_dev *dev) |
| 2562 | { |
| 2563 | acpi_status status; |
| 2564 | u32 result; |
| 2565 | |
| 2566 | status = acpi_evaluate_object(dev->acpi_dev->handle, |
| 2567 | "ENAB", NULL, NULL); |
| 2568 | if (ACPI_FAILURE(status)) |
| 2569 | return -ENODEV; |
| 2570 | |
| 2571 | /* |
| 2572 | * Enable the "Special Functions" mode only if they are |
| 2573 | * supported and if they are activated. |
| 2574 | */ |
| 2575 | if (dev->kbd_function_keys_supported && dev->special_functions) |
| 2576 | result = hci_write(dev, HCI_HOTKEY_EVENT, |
| 2577 | HCI_HOTKEY_SPECIAL_FUNCTIONS); |
| 2578 | else |
| 2579 | result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); |
| 2580 | |
| 2581 | if (result == TOS_FAILURE) |
| 2582 | return -EIO; |
| 2583 | else if (result == TOS_NOT_SUPPORTED) |
| 2584 | return -ENODEV; |
| 2585 | |
| 2586 | return 0; |
| 2587 | } |
| 2588 | |
| 2589 | static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str, |
| 2590 | struct serio *port) |
| 2591 | { |
| 2592 | if (str & I8042_STR_AUXDATA) |
| 2593 | return false; |
| 2594 | |
| 2595 | if (unlikely(data == 0xe0)) |
| 2596 | return false; |
| 2597 | |
| 2598 | if ((data & 0x7f) == TOS1900_FN_SCAN) { |
| 2599 | schedule_work(&toshiba_acpi->hotkey_work); |
| 2600 | return true; |
| 2601 | } |
| 2602 | |
| 2603 | return false; |
| 2604 | } |
| 2605 | |
| 2606 | static void toshiba_acpi_hotkey_work(struct work_struct *work) |
| 2607 | { |
| 2608 | acpi_handle ec_handle = ec_get_handle(); |
| 2609 | acpi_status status; |
| 2610 | |
| 2611 | if (!ec_handle) |
| 2612 | return; |
| 2613 | |
| 2614 | status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL); |
| 2615 | if (ACPI_FAILURE(status)) |
| 2616 | pr_err("ACPI NTFY method execution failed\n"); |
| 2617 | } |
| 2618 | |
| 2619 | /* |
| 2620 | * Returns hotkey scancode, or < 0 on failure. |
| 2621 | */ |
| 2622 | static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev) |
| 2623 | { |
| 2624 | unsigned long long value; |
| 2625 | acpi_status status; |
| 2626 | |
| 2627 | status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO", |
| 2628 | NULL, &value); |
| 2629 | if (ACPI_FAILURE(status)) { |
| 2630 | pr_err("ACPI INFO method execution failed\n"); |
| 2631 | return -EIO; |
| 2632 | } |
| 2633 | |
| 2634 | return value; |
| 2635 | } |
| 2636 | |
| 2637 | static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, |
| 2638 | int scancode) |
| 2639 | { |
| 2640 | if (scancode == 0x100) |
| 2641 | return; |
| 2642 | |
| 2643 | /* Act on key press; ignore key release */ |
| 2644 | if (scancode & 0x80) |
| 2645 | return; |
| 2646 | |
| 2647 | if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true)) |
| 2648 | pr_info("Unknown key %x\n", scancode); |
| 2649 | } |
| 2650 | |
| 2651 | static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) |
| 2652 | { |
| 2653 | if (dev->info_supported) { |
| 2654 | int scancode = toshiba_acpi_query_hotkey(dev); |
| 2655 | |
| 2656 | if (scancode < 0) { |
| 2657 | pr_err("Failed to query hotkey event\n"); |
| 2658 | } else if (scancode != 0) { |
| 2659 | toshiba_acpi_report_hotkey(dev, scancode); |
| 2660 | dev->key_event_valid = 1; |
| 2661 | dev->last_key_event = scancode; |
| 2662 | } |
| 2663 | } else if (dev->system_event_supported) { |
| 2664 | u32 result; |
| 2665 | u32 value; |
| 2666 | int retries = 3; |
| 2667 | |
| 2668 | do { |
| 2669 | result = hci_read(dev, HCI_SYSTEM_EVENT, &value); |
| 2670 | switch (result) { |
| 2671 | case TOS_SUCCESS: |
| 2672 | toshiba_acpi_report_hotkey(dev, (int)value); |
| 2673 | dev->key_event_valid = 1; |
| 2674 | dev->last_key_event = value; |
| 2675 | break; |
| 2676 | case TOS_NOT_SUPPORTED: |
| 2677 | /* |
| 2678 | * This is a workaround for an unresolved |
| 2679 | * issue on some machines where system events |
| 2680 | * sporadically become disabled. |
| 2681 | */ |
| 2682 | result = hci_write(dev, HCI_SYSTEM_EVENT, 1); |
| 2683 | if (result == TOS_SUCCESS) |
| 2684 | pr_notice("Re-enabled hotkeys\n"); |
| 2685 | /* Fall through */ |
| 2686 | default: |
| 2687 | retries--; |
| 2688 | break; |
| 2689 | } |
| 2690 | } while (retries && result != TOS_FIFO_EMPTY); |
| 2691 | } |
| 2692 | } |
| 2693 | |
| 2694 | static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) |
| 2695 | { |
| 2696 | const struct key_entry *keymap = toshiba_acpi_keymap; |
| 2697 | acpi_handle ec_handle; |
| 2698 | int error; |
| 2699 | |
| 2700 | if (disable_hotkeys) { |
| 2701 | pr_info("Hotkeys disabled by module parameter\n"); |
| 2702 | return 0; |
| 2703 | } |
| 2704 | |
| 2705 | if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) { |
| 2706 | pr_info("WMI event detected, hotkeys will not be monitored\n"); |
| 2707 | return 0; |
| 2708 | } |
| 2709 | |
| 2710 | error = toshiba_acpi_enable_hotkeys(dev); |
| 2711 | if (error) |
| 2712 | return error; |
| 2713 | |
| 2714 | if (toshiba_hotkey_event_type_get(dev, &dev->hotkey_event_type)) |
| 2715 | pr_notice("Unable to query Hotkey Event Type\n"); |
| 2716 | |
| 2717 | dev->hotkey_dev = input_allocate_device(); |
| 2718 | if (!dev->hotkey_dev) |
| 2719 | return -ENOMEM; |
| 2720 | |
| 2721 | dev->hotkey_dev->name = "Toshiba input device"; |
| 2722 | dev->hotkey_dev->phys = "toshiba_acpi/input0"; |
| 2723 | dev->hotkey_dev->id.bustype = BUS_HOST; |
| 2724 | |
| 2725 | if (dev->hotkey_event_type == HCI_SYSTEM_TYPE1 || |
| 2726 | !dev->kbd_function_keys_supported) |
| 2727 | keymap = toshiba_acpi_keymap; |
| 2728 | else if (dev->hotkey_event_type == HCI_SYSTEM_TYPE2 || |
| 2729 | dev->kbd_function_keys_supported) |
| 2730 | keymap = toshiba_acpi_alt_keymap; |
| 2731 | else |
| 2732 | pr_info("Unknown event type received %x\n", |
| 2733 | dev->hotkey_event_type); |
| 2734 | error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL); |
| 2735 | if (error) |
| 2736 | goto err_free_dev; |
| 2737 | |
| 2738 | /* |
| 2739 | * For some machines the SCI responsible for providing hotkey |
| 2740 | * notification doesn't fire. We can trigger the notification |
| 2741 | * whenever the Fn key is pressed using the NTFY method, if |
| 2742 | * supported, so if it's present set up an i8042 key filter |
| 2743 | * for this purpose. |
| 2744 | */ |
| 2745 | ec_handle = ec_get_handle(); |
| 2746 | if (ec_handle && acpi_has_method(ec_handle, "NTFY")) { |
| 2747 | INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work); |
| 2748 | |
| 2749 | error = i8042_install_filter(toshiba_acpi_i8042_filter); |
| 2750 | if (error) { |
| 2751 | pr_err("Error installing key filter\n"); |
| 2752 | goto err_free_keymap; |
| 2753 | } |
| 2754 | |
| 2755 | dev->ntfy_supported = 1; |
| 2756 | } |
| 2757 | |
| 2758 | /* |
| 2759 | * Determine hotkey query interface. Prefer using the INFO |
| 2760 | * method when it is available. |
| 2761 | */ |
| 2762 | if (acpi_has_method(dev->acpi_dev->handle, "INFO")) |
| 2763 | dev->info_supported = 1; |
| 2764 | else if (hci_write(dev, HCI_SYSTEM_EVENT, 1) == TOS_SUCCESS) |
| 2765 | dev->system_event_supported = 1; |
| 2766 | |
| 2767 | if (!dev->info_supported && !dev->system_event_supported) { |
| 2768 | pr_warn("No hotkey query interface found\n"); |
| 2769 | goto err_remove_filter; |
| 2770 | } |
| 2771 | |
| 2772 | error = input_register_device(dev->hotkey_dev); |
| 2773 | if (error) { |
| 2774 | pr_info("Unable to register input device\n"); |
| 2775 | goto err_remove_filter; |
| 2776 | } |
| 2777 | |
| 2778 | return 0; |
| 2779 | |
| 2780 | err_remove_filter: |
| 2781 | if (dev->ntfy_supported) |
| 2782 | i8042_remove_filter(toshiba_acpi_i8042_filter); |
| 2783 | err_free_keymap: |
| 2784 | sparse_keymap_free(dev->hotkey_dev); |
| 2785 | err_free_dev: |
| 2786 | input_free_device(dev->hotkey_dev); |
| 2787 | dev->hotkey_dev = NULL; |
| 2788 | return error; |
| 2789 | } |
| 2790 | |
| 2791 | static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) |
| 2792 | { |
| 2793 | struct backlight_properties props; |
| 2794 | int brightness; |
| 2795 | int ret; |
| 2796 | |
| 2797 | /* |
| 2798 | * Some machines don't support the backlight methods at all, and |
| 2799 | * others support it read-only. Either of these is pretty useless, |
| 2800 | * so only register the backlight device if the backlight method |
| 2801 | * supports both reads and writes. |
| 2802 | */ |
| 2803 | brightness = __get_lcd_brightness(dev); |
| 2804 | if (brightness < 0) |
| 2805 | return 0; |
| 2806 | /* |
| 2807 | * If transflective backlight is supported and the brightness is zero |
| 2808 | * (lowest brightness level), the set_lcd_brightness function will |
| 2809 | * activate the transflective backlight, making the LCD appear to be |
| 2810 | * turned off, simply increment the brightness level to avoid that. |
| 2811 | */ |
| 2812 | if (dev->tr_backlight_supported && brightness == 0) |
| 2813 | brightness++; |
| 2814 | ret = set_lcd_brightness(dev, brightness); |
| 2815 | if (ret) { |
| 2816 | pr_debug("Backlight method is read-only, disabling backlight support\n"); |
| 2817 | return 0; |
| 2818 | } |
| 2819 | |
| 2820 | /* |
| 2821 | * Tell acpi-video-detect code to prefer vendor backlight on all |
| 2822 | * systems with transflective backlight and on dmi matched systems. |
| 2823 | */ |
| 2824 | if (dev->tr_backlight_supported || |
| 2825 | dmi_check_system(toshiba_vendor_backlight_dmi)) |
| 2826 | acpi_video_set_dmi_backlight_type(acpi_backlight_vendor); |
| 2827 | |
| 2828 | if (acpi_video_get_backlight_type() != acpi_backlight_vendor) |
| 2829 | return 0; |
| 2830 | |
| 2831 | memset(&props, 0, sizeof(props)); |
| 2832 | props.type = BACKLIGHT_PLATFORM; |
| 2833 | props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; |
| 2834 | |
| 2835 | /* Adding an extra level and having 0 change to transflective mode */ |
| 2836 | if (dev->tr_backlight_supported) |
| 2837 | props.max_brightness++; |
| 2838 | |
| 2839 | dev->backlight_dev = backlight_device_register("toshiba", |
| 2840 | &dev->acpi_dev->dev, |
| 2841 | dev, |
| 2842 | &toshiba_backlight_data, |
| 2843 | &props); |
| 2844 | if (IS_ERR(dev->backlight_dev)) { |
| 2845 | ret = PTR_ERR(dev->backlight_dev); |
| 2846 | pr_err("Could not register toshiba backlight device\n"); |
| 2847 | dev->backlight_dev = NULL; |
| 2848 | return ret; |
| 2849 | } |
| 2850 | |
| 2851 | dev->backlight_dev->props.brightness = brightness; |
| 2852 | return 0; |
| 2853 | } |
| 2854 | |
| 2855 | static void print_supported_features(struct toshiba_acpi_dev *dev) |
| 2856 | { |
| 2857 | pr_info("Supported laptop features:"); |
| 2858 | |
| 2859 | if (dev->hotkey_dev) |
| 2860 | pr_cont(" hotkeys"); |
| 2861 | if (dev->backlight_dev) |
| 2862 | pr_cont(" backlight"); |
| 2863 | if (dev->video_supported) |
| 2864 | pr_cont(" video-out"); |
| 2865 | if (dev->fan_supported) |
| 2866 | pr_cont(" fan"); |
| 2867 | if (dev->tr_backlight_supported) |
| 2868 | pr_cont(" transflective-backlight"); |
| 2869 | if (dev->illumination_supported) |
| 2870 | pr_cont(" illumination"); |
| 2871 | if (dev->kbd_illum_supported) |
| 2872 | pr_cont(" keyboard-backlight"); |
| 2873 | if (dev->touchpad_supported) |
| 2874 | pr_cont(" touchpad"); |
| 2875 | if (dev->eco_supported) |
| 2876 | pr_cont(" eco-led"); |
| 2877 | if (dev->accelerometer_supported) |
| 2878 | pr_cont(" accelerometer-axes"); |
| 2879 | if (dev->usb_sleep_charge_supported) |
| 2880 | pr_cont(" usb-sleep-charge"); |
| 2881 | if (dev->usb_rapid_charge_supported) |
| 2882 | pr_cont(" usb-rapid-charge"); |
| 2883 | if (dev->usb_sleep_music_supported) |
| 2884 | pr_cont(" usb-sleep-music"); |
| 2885 | if (dev->kbd_function_keys_supported) |
| 2886 | pr_cont(" special-function-keys"); |
| 2887 | if (dev->panel_power_on_supported) |
| 2888 | pr_cont(" panel-power-on"); |
| 2889 | if (dev->usb_three_supported) |
| 2890 | pr_cont(" usb3"); |
| 2891 | if (dev->wwan_supported) |
| 2892 | pr_cont(" wwan"); |
| 2893 | if (dev->cooling_method_supported) |
| 2894 | pr_cont(" cooling-method"); |
| 2895 | |
| 2896 | pr_cont("\n"); |
| 2897 | } |
| 2898 | |
| 2899 | static int toshiba_acpi_remove(struct acpi_device *acpi_dev) |
| 2900 | { |
| 2901 | struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); |
| 2902 | |
| 2903 | misc_deregister(&dev->miscdev); |
| 2904 | |
| 2905 | remove_toshiba_proc_entries(dev); |
| 2906 | |
| 2907 | if (dev->sysfs_created) |
| 2908 | sysfs_remove_group(&dev->acpi_dev->dev.kobj, |
| 2909 | &toshiba_attr_group); |
| 2910 | |
| 2911 | if (dev->ntfy_supported) { |
| 2912 | i8042_remove_filter(toshiba_acpi_i8042_filter); |
| 2913 | cancel_work_sync(&dev->hotkey_work); |
| 2914 | } |
| 2915 | |
| 2916 | if (dev->hotkey_dev) { |
| 2917 | input_unregister_device(dev->hotkey_dev); |
| 2918 | sparse_keymap_free(dev->hotkey_dev); |
| 2919 | } |
| 2920 | |
| 2921 | backlight_device_unregister(dev->backlight_dev); |
| 2922 | |
| 2923 | if (dev->illumination_led_registered) |
| 2924 | led_classdev_unregister(&dev->led_dev); |
| 2925 | |
| 2926 | if (dev->kbd_led_registered) |
| 2927 | led_classdev_unregister(&dev->kbd_led); |
| 2928 | |
| 2929 | if (dev->eco_led_registered) |
| 2930 | led_classdev_unregister(&dev->eco_led); |
| 2931 | |
| 2932 | if (dev->wwan_rfk) { |
| 2933 | rfkill_unregister(dev->wwan_rfk); |
| 2934 | rfkill_destroy(dev->wwan_rfk); |
| 2935 | } |
| 2936 | |
| 2937 | if (toshiba_acpi) |
| 2938 | toshiba_acpi = NULL; |
| 2939 | |
| 2940 | kfree(dev); |
| 2941 | |
| 2942 | return 0; |
| 2943 | } |
| 2944 | |
| 2945 | static const char *find_hci_method(acpi_handle handle) |
| 2946 | { |
| 2947 | if (acpi_has_method(handle, "GHCI")) |
| 2948 | return "GHCI"; |
| 2949 | |
| 2950 | if (acpi_has_method(handle, "SPFC")) |
| 2951 | return "SPFC"; |
| 2952 | |
| 2953 | return NULL; |
| 2954 | } |
| 2955 | |
| 2956 | static int toshiba_acpi_add(struct acpi_device *acpi_dev) |
| 2957 | { |
| 2958 | struct toshiba_acpi_dev *dev; |
| 2959 | const char *hci_method; |
| 2960 | u32 dummy; |
| 2961 | int ret = 0; |
| 2962 | |
| 2963 | if (toshiba_acpi) |
| 2964 | return -EBUSY; |
| 2965 | |
| 2966 | pr_info("Toshiba Laptop ACPI Extras version %s\n", |
| 2967 | TOSHIBA_ACPI_VERSION); |
| 2968 | |
| 2969 | hci_method = find_hci_method(acpi_dev->handle); |
| 2970 | if (!hci_method) { |
| 2971 | pr_err("HCI interface not found\n"); |
| 2972 | return -ENODEV; |
| 2973 | } |
| 2974 | |
| 2975 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 2976 | if (!dev) |
| 2977 | return -ENOMEM; |
| 2978 | dev->acpi_dev = acpi_dev; |
| 2979 | dev->method_hci = hci_method; |
| 2980 | dev->miscdev.minor = MISC_DYNAMIC_MINOR; |
| 2981 | dev->miscdev.name = "toshiba_acpi"; |
| 2982 | dev->miscdev.fops = &toshiba_acpi_fops; |
| 2983 | |
| 2984 | ret = misc_register(&dev->miscdev); |
| 2985 | if (ret) { |
| 2986 | pr_err("Failed to register miscdevice\n"); |
| 2987 | kfree(dev); |
| 2988 | return ret; |
| 2989 | } |
| 2990 | |
| 2991 | acpi_dev->driver_data = dev; |
| 2992 | dev_set_drvdata(&acpi_dev->dev, dev); |
| 2993 | |
| 2994 | /* Query the BIOS for supported features */ |
| 2995 | |
| 2996 | /* |
| 2997 | * The "Special Functions" are always supported by the laptops |
| 2998 | * with the new keyboard layout, query for its presence to help |
| 2999 | * determine the keymap layout to use. |
| 3000 | */ |
| 3001 | ret = toshiba_function_keys_get(dev, &dev->special_functions); |
| 3002 | dev->kbd_function_keys_supported = !ret; |
| 3003 | |
| 3004 | dev->hotkey_event_type = 0; |
| 3005 | if (toshiba_acpi_setup_keyboard(dev)) |
| 3006 | pr_info("Unable to activate hotkeys\n"); |
| 3007 | |
| 3008 | /* Determine whether or not BIOS supports transflective backlight */ |
| 3009 | ret = get_tr_backlight_status(dev, &dummy); |
| 3010 | dev->tr_backlight_supported = !ret; |
| 3011 | |
| 3012 | ret = toshiba_acpi_setup_backlight(dev); |
| 3013 | if (ret) |
| 3014 | goto error; |
| 3015 | |
| 3016 | toshiba_illumination_available(dev); |
| 3017 | if (dev->illumination_supported) { |
| 3018 | dev->led_dev.name = "toshiba::illumination"; |
| 3019 | dev->led_dev.max_brightness = 1; |
| 3020 | dev->led_dev.brightness_set = toshiba_illumination_set; |
| 3021 | dev->led_dev.brightness_get = toshiba_illumination_get; |
| 3022 | if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev)) |
| 3023 | dev->illumination_led_registered = true; |
| 3024 | } |
| 3025 | |
| 3026 | toshiba_eco_mode_available(dev); |
| 3027 | if (dev->eco_supported) { |
| 3028 | dev->eco_led.name = "toshiba::eco_mode"; |
| 3029 | dev->eco_led.max_brightness = 1; |
| 3030 | dev->eco_led.brightness_set = toshiba_eco_mode_set_status; |
| 3031 | dev->eco_led.brightness_get = toshiba_eco_mode_get_status; |
| 3032 | if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led)) |
| 3033 | dev->eco_led_registered = true; |
| 3034 | } |
| 3035 | |
| 3036 | toshiba_kbd_illum_available(dev); |
| 3037 | /* |
| 3038 | * Only register the LED if KBD illumination is supported |
| 3039 | * and the keyboard backlight operation mode is set to FN-Z |
| 3040 | */ |
| 3041 | if (dev->kbd_illum_supported && dev->kbd_mode == SCI_KBD_MODE_FNZ) { |
| 3042 | dev->kbd_led.name = "toshiba::kbd_backlight"; |
| 3043 | dev->kbd_led.max_brightness = 1; |
| 3044 | dev->kbd_led.brightness_set = toshiba_kbd_backlight_set; |
| 3045 | dev->kbd_led.brightness_get = toshiba_kbd_backlight_get; |
| 3046 | if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led)) |
| 3047 | dev->kbd_led_registered = true; |
| 3048 | } |
| 3049 | |
| 3050 | ret = toshiba_touchpad_get(dev, &dummy); |
| 3051 | dev->touchpad_supported = !ret; |
| 3052 | |
| 3053 | toshiba_accelerometer_available(dev); |
| 3054 | |
| 3055 | toshiba_usb_sleep_charge_available(dev); |
| 3056 | |
| 3057 | ret = toshiba_usb_rapid_charge_get(dev, &dummy); |
| 3058 | dev->usb_rapid_charge_supported = !ret; |
| 3059 | |
| 3060 | ret = toshiba_usb_sleep_music_get(dev, &dummy); |
| 3061 | dev->usb_sleep_music_supported = !ret; |
| 3062 | |
| 3063 | ret = toshiba_panel_power_on_get(dev, &dummy); |
| 3064 | dev->panel_power_on_supported = !ret; |
| 3065 | |
| 3066 | ret = toshiba_usb_three_get(dev, &dummy); |
| 3067 | dev->usb_three_supported = !ret; |
| 3068 | |
| 3069 | ret = get_video_status(dev, &dummy); |
| 3070 | dev->video_supported = !ret; |
| 3071 | |
| 3072 | ret = get_fan_status(dev, &dummy); |
| 3073 | dev->fan_supported = !ret; |
| 3074 | |
| 3075 | toshiba_wwan_available(dev); |
| 3076 | if (dev->wwan_supported) |
| 3077 | toshiba_acpi_setup_wwan_rfkill(dev); |
| 3078 | |
| 3079 | toshiba_cooling_method_available(dev); |
| 3080 | |
| 3081 | print_supported_features(dev); |
| 3082 | |
| 3083 | ret = sysfs_create_group(&dev->acpi_dev->dev.kobj, |
| 3084 | &toshiba_attr_group); |
| 3085 | if (ret) { |
| 3086 | dev->sysfs_created = 0; |
| 3087 | goto error; |
| 3088 | } |
| 3089 | dev->sysfs_created = !ret; |
| 3090 | |
| 3091 | create_toshiba_proc_entries(dev); |
| 3092 | |
| 3093 | toshiba_acpi = dev; |
| 3094 | |
| 3095 | return 0; |
| 3096 | |
| 3097 | error: |
| 3098 | toshiba_acpi_remove(acpi_dev); |
| 3099 | return ret; |
| 3100 | } |
| 3101 | |
| 3102 | static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) |
| 3103 | { |
| 3104 | struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); |
| 3105 | |
| 3106 | switch (event) { |
| 3107 | case 0x80: /* Hotkeys and some system events */ |
| 3108 | /* |
| 3109 | * Machines with this WMI GUID aren't supported due to bugs in |
| 3110 | * their AML. |
| 3111 | * |
| 3112 | * Return silently to avoid triggering a netlink event. |
| 3113 | */ |
| 3114 | if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) |
| 3115 | return; |
| 3116 | toshiba_acpi_process_hotkeys(dev); |
| 3117 | break; |
| 3118 | case 0x81: /* Dock events */ |
| 3119 | case 0x82: |
| 3120 | case 0x83: |
| 3121 | pr_info("Dock event received %x\n", event); |
| 3122 | break; |
| 3123 | case 0x88: /* Thermal events */ |
| 3124 | pr_info("Thermal event received\n"); |
| 3125 | break; |
| 3126 | case 0x8f: /* LID closed */ |
| 3127 | case 0x90: /* LID is closed and Dock has been ejected */ |
| 3128 | break; |
| 3129 | case 0x8c: /* SATA power events */ |
| 3130 | case 0x8b: |
| 3131 | pr_info("SATA power event received %x\n", event); |
| 3132 | break; |
| 3133 | case 0x92: /* Keyboard backlight mode changed */ |
| 3134 | toshiba_acpi->kbd_event_generated = true; |
| 3135 | /* Update sysfs entries */ |
| 3136 | if (sysfs_update_group(&acpi_dev->dev.kobj, |
| 3137 | &toshiba_attr_group)) |
| 3138 | pr_err("Unable to update sysfs entries\n"); |
| 3139 | break; |
| 3140 | case 0x85: /* Unknown */ |
| 3141 | case 0x8d: /* Unknown */ |
| 3142 | case 0x8e: /* Unknown */ |
| 3143 | case 0x94: /* Unknown */ |
| 3144 | case 0x95: /* Unknown */ |
| 3145 | default: |
| 3146 | pr_info("Unknown event received %x\n", event); |
| 3147 | break; |
| 3148 | } |
| 3149 | |
| 3150 | acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class, |
| 3151 | dev_name(&acpi_dev->dev), |
| 3152 | event, (event == 0x80) ? |
| 3153 | dev->last_key_event : 0); |
| 3154 | } |
| 3155 | |
| 3156 | #ifdef CONFIG_PM_SLEEP |
| 3157 | static int toshiba_acpi_suspend(struct device *device) |
| 3158 | { |
| 3159 | struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); |
| 3160 | |
| 3161 | if (dev->hotkey_dev) { |
| 3162 | u32 result; |
| 3163 | |
| 3164 | result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE); |
| 3165 | if (result != TOS_SUCCESS) |
| 3166 | pr_info("Unable to disable hotkeys\n"); |
| 3167 | } |
| 3168 | |
| 3169 | return 0; |
| 3170 | } |
| 3171 | |
| 3172 | static int toshiba_acpi_resume(struct device *device) |
| 3173 | { |
| 3174 | struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); |
| 3175 | |
| 3176 | if (dev->hotkey_dev) { |
| 3177 | if (toshiba_acpi_enable_hotkeys(dev)) |
| 3178 | pr_info("Unable to re-enable hotkeys\n"); |
| 3179 | } |
| 3180 | |
| 3181 | if (dev->wwan_rfk) { |
| 3182 | if (!toshiba_wireless_status(dev)) |
| 3183 | rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch); |
| 3184 | } |
| 3185 | |
| 3186 | return 0; |
| 3187 | } |
| 3188 | #endif |
| 3189 | |
| 3190 | static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm, |
| 3191 | toshiba_acpi_suspend, toshiba_acpi_resume); |
| 3192 | |
| 3193 | static struct acpi_driver toshiba_acpi_driver = { |
| 3194 | .name = "Toshiba ACPI driver", |
| 3195 | .owner = THIS_MODULE, |
| 3196 | .ids = toshiba_device_ids, |
| 3197 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, |
| 3198 | .ops = { |
| 3199 | .add = toshiba_acpi_add, |
| 3200 | .remove = toshiba_acpi_remove, |
| 3201 | .notify = toshiba_acpi_notify, |
| 3202 | }, |
| 3203 | .drv.pm = &toshiba_acpi_pm, |
| 3204 | }; |
| 3205 | |
| 3206 | static int __init toshiba_acpi_init(void) |
| 3207 | { |
| 3208 | int ret; |
| 3209 | |
| 3210 | toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir); |
| 3211 | if (!toshiba_proc_dir) { |
| 3212 | pr_err("Unable to create proc dir " PROC_TOSHIBA "\n"); |
| 3213 | return -ENODEV; |
| 3214 | } |
| 3215 | |
| 3216 | ret = acpi_bus_register_driver(&toshiba_acpi_driver); |
| 3217 | if (ret) { |
| 3218 | pr_err("Failed to register ACPI driver: %d\n", ret); |
| 3219 | remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); |
| 3220 | } |
| 3221 | |
| 3222 | return ret; |
| 3223 | } |
| 3224 | |
| 3225 | static void __exit toshiba_acpi_exit(void) |
| 3226 | { |
| 3227 | acpi_bus_unregister_driver(&toshiba_acpi_driver); |
| 3228 | if (toshiba_proc_dir) |
| 3229 | remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); |
| 3230 | } |
| 3231 | |
| 3232 | module_init(toshiba_acpi_init); |
| 3233 | module_exit(toshiba_acpi_exit); |