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toshiba_acpi: Make use of DEVICE_ATTR_{RO, RW} macros
[deliverable/linux.git] / drivers / platform / x86 / toshiba_acpi.c
CommitLineData
1da177e4
LT		 1/*
2 * toshiba_acpi.c - Toshiba Laptop ACPI Extras
3 *
4 *
5 * Copyright (C) 2002-2004 John Belmonte
c41a40c5 6 * Copyright (C) 2008 Philip Langdale
6c3f6e6c 7 * Copyright (C) 2010 Pierre Ducroquet
7216d702 8 * Copyright (C) 2014-2015 Azael Avalos
1da177e4
LT		 9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 *
25 * The devolpment page for this driver is located at
26 * http://memebeam.org/toys/ToshibaAcpiDriver.
27 *
28 * Credits:
29 * Jonathan A. Buzzard - Toshiba HCI info, and critical tips on reverse
30 * engineering the Windows drivers
31 * Yasushi Nagato - changes for linux kernel 2.4 -> 2.5
32 * Rob Miller - TV out and hotkeys help
33 *
34 *
35 * TODO
36 *
37 */
38
7e33460d
JP		 39#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
40
7216d702 41#define TOSHIBA_ACPI_VERSION "0.21"
1da177e4
LT		 42#define PROC_INTERFACE_VERSION 1
43
44#include <linux/kernel.h>
45#include <linux/module.h>
46#include <linux/init.h>
47#include <linux/types.h>
48#include <linux/proc_fs.h>
936c8bcd 49#include <linux/seq_file.h>
c9263557 50#include <linux/backlight.h>
c41a40c5 51#include <linux/rfkill.h>
6335e4d5 52#include <linux/input.h>
384a7cd9 53#include <linux/input/sparse-keymap.h>
6c3f6e6c 54#include <linux/leds.h>
5a0e3ad6 55#include <linux/slab.h>
29cd293f
SF		 56#include <linux/workqueue.h>
57#include <linux/i8042.h>
8b48463f 58#include <linux/acpi.h>
fe808bfb 59#include <linux/dmi.h>
b5163992 60#include <linux/uaccess.h>
1da177e4 61
1da177e4
LT		 62MODULE_AUTHOR("John Belmonte");
63MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
64MODULE_LICENSE("GPL");
65
f11f999e
SF		 66#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
67
29cd293f
SF		 68/* Scan code for Fn key on TOS1900 models */
69#define TOS1900_FN_SCAN 0x6e
70
1da177e4 71/* Toshiba ACPI method paths */
1da177e4
LT		 72#define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX"
73
258c5903
AA		 74/* The Toshiba configuration interface is composed of the HCI and the SCI,
75 * which are defined as follows:
1da177e4
LT		 76 *
77 * HCI is Toshiba's "Hardware Control Interface" which is supposed to
78 * be uniform across all their models. Ideally we would just call
79 * dedicated ACPI methods instead of using this primitive interface.
80 * However the ACPI methods seem to be incomplete in some areas (for
81 * example they allow setting, but not reading, the LCD brightness value),
82 * so this is still useful.
ea6b31f4 83 *
84a6273f
AA		 84 * SCI stands for "System Configuration Interface" which aim is to
85 * conceal differences in hardware between different models.
1da177e4
LT		 86 */
87
258c5903 88#define TCI_WORDS 6
1da177e4
LT		 89
90/* operations */
91#define HCI_SET 0xff00
92#define HCI_GET 0xfe00
84a6273f
AA		 93#define SCI_OPEN 0xf100
94#define SCI_CLOSE 0xf200
95#define SCI_GET 0xf300
96#define SCI_SET 0xf400
1da177e4
LT		 97
98/* return codes */
1864bbc2
AA		 99#define TOS_SUCCESS 0x0000
100#define TOS_OPEN_CLOSE_OK 0x0044
101#define TOS_FAILURE 0x1000
102#define TOS_NOT_SUPPORTED 0x8000
103#define TOS_ALREADY_OPEN 0x8100
104#define TOS_NOT_OPENED 0x8200
105#define TOS_INPUT_DATA_ERROR 0x8300
106#define TOS_WRITE_PROTECTED 0x8400
107#define TOS_NOT_PRESENT 0x8600
108#define TOS_FIFO_EMPTY 0x8c00
109#define TOS_DATA_NOT_AVAILABLE 0x8d20
110#define TOS_NOT_INITIALIZED 0x8d50
98fc4ec6 111#define TOS_NOT_INSTALLED 0x8e00
1da177e4
LT		 112
113/* registers */
114#define HCI_FAN 0x0004
121b7b0d 115#define HCI_TR_BACKLIGHT 0x0005
1da177e4
LT		 116#define HCI_SYSTEM_EVENT 0x0016
117#define HCI_VIDEO_OUT 0x001c
118#define HCI_HOTKEY_EVENT 0x001e
119#define HCI_LCD_BRIGHTNESS 0x002a
c41a40c5 120#define HCI_WIRELESS 0x0056
5a2813e9 121#define HCI_ACCELEROMETER 0x006d
360f0f39 122#define HCI_KBD_ILLUMINATION 0x0095
def6c4e2 123#define HCI_ECO_MODE 0x0097
5a2813e9 124#define HCI_ACCELEROMETER2 0x00a6
35d53cea 125#define SCI_PANEL_POWER_ON 0x010d
fdb79081 126#define SCI_ILLUMINATION 0x014e
e26ffe51 127#define SCI_USB_SLEEP_CHARGE 0x0150
360f0f39 128#define SCI_KBD_ILLUM_STATUS 0x015c
172ce0a9 129#define SCI_USB_SLEEP_MUSIC 0x015e
17fe4b3d 130#define SCI_USB_THREE 0x0169
9d8658ac 131#define SCI_TOUCHPAD 0x050e
bae84195 132#define SCI_KBD_FUNCTION_KEYS 0x0522
1da177e4
LT		 133
134/* field definitions */
5a2813e9 135#define HCI_ACCEL_MASK 0x7fff
29cd293f
SF		 136#define HCI_HOTKEY_DISABLE 0x0b
137#define HCI_HOTKEY_ENABLE 0x09
1da177e4
LT		 138#define HCI_LCD_BRIGHTNESS_BITS 3
139#define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS)
140#define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS)
360f0f39 141#define HCI_MISC_SHIFT 0x10
1da177e4
LT		 142#define HCI_VIDEO_OUT_LCD 0x1
143#define HCI_VIDEO_OUT_CRT 0x2
144#define HCI_VIDEO_OUT_TV 0x4
c41a40c5 145#define HCI_WIRELESS_KILL_SWITCH 0x01
146#define HCI_WIRELESS_BT_PRESENT 0x0f
147#define HCI_WIRELESS_BT_ATTACH 0x40
148#define HCI_WIRELESS_BT_POWER 0x80
93f8c16d 149#define SCI_KBD_MODE_MASK 0x1f
360f0f39
AA		 150#define SCI_KBD_MODE_FNZ 0x1
151#define SCI_KBD_MODE_AUTO 0x2
93f8c16d
AA		 152#define SCI_KBD_MODE_ON 0x8
153#define SCI_KBD_MODE_OFF 0x10
154#define SCI_KBD_TIME_MAX 0x3c001a
e26ffe51
AA		 155#define SCI_USB_CHARGE_MODE_MASK 0xff
156#define SCI_USB_CHARGE_DISABLED 0x30000
157#define SCI_USB_CHARGE_ALTERNATE 0x30009
158#define SCI_USB_CHARGE_AUTO 0x30021
182bcaa5
AA		 159#define SCI_USB_CHARGE_BAT_MASK 0x7
160#define SCI_USB_CHARGE_BAT_LVL_OFF 0x1
161#define SCI_USB_CHARGE_BAT_LVL_ON 0x4
162#define SCI_USB_CHARGE_BAT_LVL 0x0200
bb3fe01f 163#define SCI_USB_CHARGE_RAPID_DSP 0x0300
1da177e4 164
135740de
SF		 165struct toshiba_acpi_dev {
166 struct acpi_device *acpi_dev;
167 const char *method_hci;
168 struct rfkill *bt_rfk;
169 struct input_dev *hotkey_dev;
29cd293f 170 struct work_struct hotkey_work;
135740de
SF		 171 struct backlight_device *backlight_dev;
172 struct led_classdev led_dev;
360f0f39 173 struct led_classdev kbd_led;
def6c4e2 174 struct led_classdev eco_led;
36d03f93 175
135740de
SF		 176 int force_fan;
177 int last_key_event;
178 int key_event_valid;
93f8c16d 179 int kbd_type;
360f0f39
AA		 180 int kbd_mode;
181 int kbd_time;
182bcaa5 182 int usbsc_bat_level;
135740de 183
592b746c
DC		 184 unsigned int illumination_supported:1;
185 unsigned int video_supported:1;
186 unsigned int fan_supported:1;
187 unsigned int system_event_supported:1;
29cd293f
SF		 188 unsigned int ntfy_supported:1;
189 unsigned int info_supported:1;
121b7b0d 190 unsigned int tr_backlight_supported:1;
360f0f39
AA		 191 unsigned int kbd_illum_supported:1;
192 unsigned int kbd_led_registered:1;
9d8658ac 193 unsigned int touchpad_supported:1;
def6c4e2 194 unsigned int eco_supported:1;
5a2813e9 195 unsigned int accelerometer_supported:1;
e26ffe51 196 unsigned int usb_sleep_charge_supported:1;
bb3fe01f 197 unsigned int usb_rapid_charge_supported:1;
172ce0a9 198 unsigned int usb_sleep_music_supported:1;
bae84195 199 unsigned int kbd_function_keys_supported:1;
35d53cea 200 unsigned int panel_power_on_supported:1;
17fe4b3d 201 unsigned int usb_three_supported:1;
360f0f39 202 unsigned int sysfs_created:1;
36d03f93 203
135740de
SF		 204 struct mutex mutex;
205};
206
29cd293f
SF		 207static struct toshiba_acpi_dev *toshiba_acpi;
208
4db42c51 209static const struct acpi_device_id toshiba_device_ids[] = {
210 {"TOS6200", 0},
63a9e016 211 {"TOS6207", 0},
c41a40c5 212 {"TOS6208", 0},
4db42c51 213 {"TOS1900", 0},
214 {"", 0},
215};
216MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
217
b859f159 218static const struct key_entry toshiba_acpi_keymap[] = {
fec278a1 219 { KE_KEY, 0x9e, { KEY_RFKILL } },
384a7cd9
DT		 220 { KE_KEY, 0x101, { KEY_MUTE } },
221 { KE_KEY, 0x102, { KEY_ZOOMOUT } },
222 { KE_KEY, 0x103, { KEY_ZOOMIN } },
408a5d13 223 { KE_KEY, 0x10f, { KEY_TAB } },
af502837
AA		 224 { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } },
225 { KE_KEY, 0x139, { KEY_ZOOMRESET } },
384a7cd9
DT		 226 { KE_KEY, 0x13b, { KEY_COFFEE } },
227 { KE_KEY, 0x13c, { KEY_BATTERY } },
228 { KE_KEY, 0x13d, { KEY_SLEEP } },
229 { KE_KEY, 0x13e, { KEY_SUSPEND } },
230 { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } },
231 { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
232 { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
233 { KE_KEY, 0x142, { KEY_WLAN } },
af502837 234 { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } },
a49010f5 235 { KE_KEY, 0x17f, { KEY_FN } },
384a7cd9
DT		 236 { KE_KEY, 0xb05, { KEY_PROG2 } },
237 { KE_KEY, 0xb06, { KEY_WWW } },
238 { KE_KEY, 0xb07, { KEY_MAIL } },
239 { KE_KEY, 0xb30, { KEY_STOP } },
240 { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } },
241 { KE_KEY, 0xb32, { KEY_NEXTSONG } },
242 { KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
243 { KE_KEY, 0xb5a, { KEY_MEDIA } },
408a5d13
AA		 244 { KE_IGNORE, 0x1430, { KEY_RESERVED } }, /* Wake from sleep */
245 { KE_IGNORE, 0x1501, { KEY_RESERVED } }, /* Output changed */
246 { KE_IGNORE, 0x1502, { KEY_RESERVED } }, /* HDMI plugged/unplugged */
247 { KE_IGNORE, 0x1ABE, { KEY_RESERVED } }, /* Protection level set */
248 { KE_IGNORE, 0x1ABF, { KEY_RESERVED } }, /* Protection level off */
384a7cd9 249 { KE_END, 0 },
6335e4d5
MG		 250};
251
fe808bfb
TI		 252/* alternative keymap */
253static const struct dmi_system_id toshiba_alt_keymap_dmi[] = {
254 {
255 .matches = {
256 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
257 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite M840"),
258 },
259 },
e6efad7f
AA		 260 {
261 .matches = {
262 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "Qosmio X75-A"),
264 },
265 },
b1bde689
AL		 266 {
267 .matches = {
268 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
269 DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A50-A"),
270 },
271 },
fe808bfb
TI		 272 {}
273};
274
275static const struct key_entry toshiba_acpi_alt_keymap[] = {
276 { KE_KEY, 0x157, { KEY_MUTE } },
277 { KE_KEY, 0x102, { KEY_ZOOMOUT } },
278 { KE_KEY, 0x103, { KEY_ZOOMIN } },
e6efad7f 279 { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } },
fe808bfb
TI		 280 { KE_KEY, 0x139, { KEY_ZOOMRESET } },
281 { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } },
282 { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } },
283 { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } },
284 { KE_KEY, 0x158, { KEY_WLAN } },
285 { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } },
286 { KE_END, 0 },
287};
288
1da177e4
LT		 289/* utility
290 */
291
b5163992 292static inline void _set_bit(u32 *word, u32 mask, int value)
1da177e4
LT		 293{
294 *word = (*word & ~mask) | (mask * value);
295}
296
297/* acpi interface wrappers
298 */
299
4be44fcd 300static int write_acpi_int(const char *methodName, int val)
1da177e4 301{
1da177e4
LT		 302 acpi_status status;
303
619400da 304 status = acpi_execute_simple_method(NULL, (char *)methodName, val);
32bcd5cb 305 return (status == AE_OK) ? 0 : -EIO;
1da177e4
LT		 306}
307
258c5903
AA		 308/* Perform a raw configuration call. Here we don't care about input or output
309 * buffer format.
1da177e4 310 */
258c5903
AA		 311static acpi_status tci_raw(struct toshiba_acpi_dev *dev,
312 const u32 in[TCI_WORDS], u32 out[TCI_WORDS])
1da177e4
LT		 313{
314 struct acpi_object_list params;
258c5903 315 union acpi_object in_objs[TCI_WORDS];
1da177e4 316 struct acpi_buffer results;
258c5903 317 union acpi_object out_objs[TCI_WORDS + 1];
1da177e4
LT		 318 acpi_status status;
319 int i;
320
258c5903 321 params.count = TCI_WORDS;
1da177e4 322 params.pointer = in_objs;
258c5903 323 for (i = 0; i < TCI_WORDS; ++i) {
1da177e4
LT		 324 in_objs[i].type = ACPI_TYPE_INTEGER;
325 in_objs[i].integer.value = in[i];
326 }
327
328 results.length = sizeof(out_objs);
329 results.pointer = out_objs;
330
6e02cc7e
SF		 331 status = acpi_evaluate_object(dev->acpi_dev->handle,
332 (char *)dev->method_hci, &params,
4be44fcd 333 &results);
258c5903 334 if ((status == AE_OK) && (out_objs->package.count <= TCI_WORDS)) {
b5163992 335 for (i = 0; i < out_objs->package.count; ++i)
1da177e4 336 out[i] = out_objs->package.elements[i].integer.value;
1da177e4
LT		 337 }
338
339 return status;
340}
341
c41a40c5 342/* common hci tasks (get or set one or two value)
1da177e4
LT		 343 *
344 * In addition to the ACPI status, the HCI system returns a result which
345 * may be useful (such as "not supported").
346 */
347
893f3f62 348static u32 hci_write1(struct toshiba_acpi_dev *dev, u32 reg, u32 in1)
1da177e4 349{
258c5903
AA		 350 u32 in[TCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 };
351 u32 out[TCI_WORDS];
352 acpi_status status = tci_raw(dev, in, out);
893f3f62
AA		 353
354 return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE;
1da177e4
LT		 355}
356
893f3f62 357static u32 hci_read1(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1)
1da177e4 358{
258c5903
AA		 359 u32 in[TCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 };
360 u32 out[TCI_WORDS];
361 acpi_status status = tci_raw(dev, in, out);
b5163992 362
893f3f62
AA		 363 if (ACPI_FAILURE(status))
364 return TOS_FAILURE;
365
1da177e4 366 *out1 = out[2];
893f3f62
AA		 367
368 return out[0];
1da177e4
LT		 369}
370
893f3f62 371static u32 hci_write2(struct toshiba_acpi_dev *dev, u32 reg, u32 in1, u32 in2)
c41a40c5 372{
258c5903
AA		 373 u32 in[TCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 };
374 u32 out[TCI_WORDS];
375 acpi_status status = tci_raw(dev, in, out);
893f3f62
AA		 376
377 return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE;
c41a40c5 378}
379
b5163992
AA		 380static u32 hci_read2(struct toshiba_acpi_dev *dev,
381 u32 reg, u32 *out1, u32 *out2)
c41a40c5 382{
258c5903
AA		 383 u32 in[TCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 };
384 u32 out[TCI_WORDS];
385 acpi_status status = tci_raw(dev, in, out);
b5163992 386
893f3f62
AA		 387 if (ACPI_FAILURE(status))
388 return TOS_FAILURE;
389
c41a40c5 390 *out1 = out[2];
391 *out2 = out[3];
893f3f62
AA		 392
393 return out[0];
c41a40c5 394}
395
84a6273f
AA		 396/* common sci tasks
397 */
398
399static int sci_open(struct toshiba_acpi_dev *dev)
400{
258c5903
AA		 401 u32 in[TCI_WORDS] = { SCI_OPEN, 0, 0, 0, 0, 0 };
402 u32 out[TCI_WORDS];
84a6273f
AA		 403 acpi_status status;
404
258c5903 405 status = tci_raw(dev, in, out);
1864bbc2 406 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
84a6273f
AA		 407 pr_err("ACPI call to open SCI failed\n");
408 return 0;
409 }
410
1864bbc2 411 if (out[0] == TOS_OPEN_CLOSE_OK) {
84a6273f 412 return 1;
1864bbc2 413 } else if (out[0] == TOS_ALREADY_OPEN) {
84a6273f
AA		 414 pr_info("Toshiba SCI already opened\n");
415 return 1;
fa465739
AA		 416 } else if (out[0] == TOS_NOT_SUPPORTED) {
417 /* Some BIOSes do not have the SCI open/close functions
418 * implemented and return 0x8000 (Not Supported), failing to
419 * register some supported features.
420 *
421 * Simply return 1 if we hit those affected laptops to make the
422 * supported features work.
423 *
424 * In the case that some laptops really do not support the SCI,
425 * all the SCI dependent functions check for TOS_NOT_SUPPORTED,
426 * and thus, not registering support for the queried feature.
427 */
428 return 1;
1864bbc2 429 } else if (out[0] == TOS_NOT_PRESENT) {
84a6273f
AA		 430 pr_info("Toshiba SCI is not present\n");
431 }
432
433 return 0;
434}
435
436static void sci_close(struct toshiba_acpi_dev *dev)
437{
258c5903
AA		 438 u32 in[TCI_WORDS] = { SCI_CLOSE, 0, 0, 0, 0, 0 };
439 u32 out[TCI_WORDS];
84a6273f
AA		 440 acpi_status status;
441
258c5903 442 status = tci_raw(dev, in, out);
1864bbc2 443 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
84a6273f
AA		 444 pr_err("ACPI call to close SCI failed\n");
445 return;
446 }
447
1864bbc2 448 if (out[0] == TOS_OPEN_CLOSE_OK)
84a6273f 449 return;
1864bbc2 450 else if (out[0] == TOS_NOT_OPENED)
84a6273f 451 pr_info("Toshiba SCI not opened\n");
1864bbc2 452 else if (out[0] == TOS_NOT_PRESENT)
84a6273f
AA		 453 pr_info("Toshiba SCI is not present\n");
454}
455
893f3f62 456static u32 sci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1)
84a6273f 457{
258c5903
AA		 458 u32 in[TCI_WORDS] = { SCI_GET, reg, 0, 0, 0, 0 };
459 u32 out[TCI_WORDS];
460 acpi_status status = tci_raw(dev, in, out);
b5163992 461
893f3f62
AA		 462 if (ACPI_FAILURE(status))
463 return TOS_FAILURE;
464
84a6273f 465 *out1 = out[2];
893f3f62
AA		 466
467 return out[0];
84a6273f
AA		 468}
469
893f3f62 470static u32 sci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1)
84a6273f 471{
258c5903
AA		 472 u32 in[TCI_WORDS] = { SCI_SET, reg, in1, 0, 0, 0 };
473 u32 out[TCI_WORDS];
474 acpi_status status = tci_raw(dev, in, out);
893f3f62
AA		 475
476 return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE;
84a6273f
AA		 477}
478
6c3f6e6c 479/* Illumination support */
135740de 480static int toshiba_illumination_available(struct toshiba_acpi_dev *dev)
6c3f6e6c 481{
258c5903
AA		 482 u32 in[TCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 };
483 u32 out[TCI_WORDS];
6c3f6e6c
PD		 484 acpi_status status;
485
fdb79081
AA		 486 if (!sci_open(dev))
487 return 0;
488
258c5903 489 status = tci_raw(dev, in, out);
fdb79081 490 sci_close(dev);
1864bbc2 491 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
fdb79081
AA		 492 pr_err("ACPI call to query Illumination support failed\n");
493 return 0;
1864bbc2 494 } else if (out[0] == TOS_NOT_SUPPORTED) {
7e33460d 495 pr_info("Illumination device not available\n");
6c3f6e6c
PD		 496 return 0;
497 }
fdb79081 498
6c3f6e6c
PD		 499 return 1;
500}
501
502static void toshiba_illumination_set(struct led_classdev *cdev,
503 enum led_brightness brightness)
504{
135740de
SF		 505 struct toshiba_acpi_dev *dev = container_of(cdev,
506 struct toshiba_acpi_dev, led_dev);
fdb79081 507 u32 state, result;
6c3f6e6c
PD		 508
509 /* First request : initialize communication. */
fdb79081 510 if (!sci_open(dev))
6c3f6e6c 511 return;
6c3f6e6c 512
fdb79081
AA		 513 /* Switch the illumination on/off */
514 state = brightness ? 1 : 0;
893f3f62 515 result = sci_write(dev, SCI_ILLUMINATION, state);
fdb79081 516 sci_close(dev);
893f3f62 517 if (result == TOS_FAILURE) {
fdb79081
AA		 518 pr_err("ACPI call for illumination failed\n");
519 return;
1864bbc2 520 } else if (result == TOS_NOT_SUPPORTED) {
fdb79081
AA		 521 pr_info("Illumination not supported\n");
522 return;
6c3f6e6c 523 }
6c3f6e6c
PD		 524}
525
526static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev)
527{
135740de
SF		 528 struct toshiba_acpi_dev *dev = container_of(cdev,
529 struct toshiba_acpi_dev, led_dev);
fdb79081 530 u32 state, result;
6c3f6e6c
PD		 531
532 /* First request : initialize communication. */
fdb79081 533 if (!sci_open(dev))
6c3f6e6c 534 return LED_OFF;
6c3f6e6c
PD		 535
536 /* Check the illumination */
893f3f62 537 result = sci_read(dev, SCI_ILLUMINATION, &state);
fdb79081 538 sci_close(dev);
893f3f62 539 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
fdb79081
AA		 540 pr_err("ACPI call for illumination failed\n");
541 return LED_OFF;
1864bbc2 542 } else if (result == TOS_NOT_SUPPORTED) {
fdb79081 543 pr_info("Illumination not supported\n");
6c3f6e6c
PD		 544 return LED_OFF;
545 }
546
fdb79081 547 return state ? LED_FULL : LED_OFF;
6c3f6e6c 548}
ea6b31f4 549
360f0f39 550/* KBD Illumination */
93f8c16d
AA		 551static int toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev)
552{
258c5903
AA		 553 u32 in[TCI_WORDS] = { SCI_GET, SCI_KBD_ILLUM_STATUS, 0, 0, 0, 0 };
554 u32 out[TCI_WORDS];
93f8c16d
AA		 555 acpi_status status;
556
557 if (!sci_open(dev))
558 return 0;
559
258c5903 560 status = tci_raw(dev, in, out);
93f8c16d 561 sci_close(dev);
1864bbc2 562 if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) {
93f8c16d
AA		 563 pr_err("ACPI call to query kbd illumination support failed\n");
564 return 0;
1864bbc2 565 } else if (out[0] == TOS_NOT_SUPPORTED) {
93f8c16d
AA		 566 pr_info("Keyboard illumination not available\n");
567 return 0;
568 }
569
570 /* Check for keyboard backlight timeout max value,
571 * previous kbd backlight implementation set this to
572 * 0x3c0003, and now the new implementation set this
573 * to 0x3c001a, use this to distinguish between them
574 */
575 if (out[3] == SCI_KBD_TIME_MAX)
576 dev->kbd_type = 2;
577 else
578 dev->kbd_type = 1;
579 /* Get the current keyboard backlight mode */
580 dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK;
581 /* Get the current time (1-60 seconds) */
582 dev->kbd_time = out[2] >> HCI_MISC_SHIFT;
583
584 return 1;
585}
586
360f0f39
AA		 587static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time)
588{
589 u32 result;
360f0f39
AA		 590
591 if (!sci_open(dev))
592 return -EIO;
593
893f3f62 594 result = sci_write(dev, SCI_KBD_ILLUM_STATUS, time);
360f0f39 595 sci_close(dev);
893f3f62 596 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
360f0f39
AA		 597 pr_err("ACPI call to set KBD backlight status failed\n");
598 return -EIO;
1864bbc2 599 } else if (result == TOS_NOT_SUPPORTED) {
360f0f39
AA		 600 pr_info("Keyboard backlight status not supported\n");
601 return -ENODEV;
602 }
603
604 return 0;
605}
606
607static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time)
608{
609 u32 result;
360f0f39
AA		 610
611 if (!sci_open(dev))
612 return -EIO;
613
893f3f62 614 result = sci_read(dev, SCI_KBD_ILLUM_STATUS, time);
360f0f39 615 sci_close(dev);
893f3f62 616 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
360f0f39
AA		 617 pr_err("ACPI call to get KBD backlight status failed\n");
618 return -EIO;
1864bbc2 619 } else if (result == TOS_NOT_SUPPORTED) {
360f0f39
AA		 620 pr_info("Keyboard backlight status not supported\n");
621 return -ENODEV;
622 }
623
624 return 0;
625}
626
627static enum led_brightness toshiba_kbd_backlight_get(struct led_classdev *cdev)
628{
629 struct toshiba_acpi_dev *dev = container_of(cdev,
630 struct toshiba_acpi_dev, kbd_led);
631 u32 state, result;
360f0f39
AA		 632
633 /* Check the keyboard backlight state */
893f3f62
AA		 634 result = hci_read1(dev, HCI_KBD_ILLUMINATION, &state);
635 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
360f0f39
AA		 636 pr_err("ACPI call to get the keyboard backlight failed\n");
637 return LED_OFF;
1864bbc2 638 } else if (result == TOS_NOT_SUPPORTED) {
360f0f39
AA		 639 pr_info("Keyboard backlight not supported\n");
640 return LED_OFF;
641 }
642
643 return state ? LED_FULL : LED_OFF;
644}
645
646static void toshiba_kbd_backlight_set(struct led_classdev *cdev,
647 enum led_brightness brightness)
648{
649 struct toshiba_acpi_dev *dev = container_of(cdev,
650 struct toshiba_acpi_dev, kbd_led);
651 u32 state, result;
360f0f39
AA		 652
653 /* Set the keyboard backlight state */
654 state = brightness ? 1 : 0;
893f3f62
AA		 655 result = hci_write1(dev, HCI_KBD_ILLUMINATION, state);
656 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
360f0f39
AA		 657 pr_err("ACPI call to set KBD Illumination mode failed\n");
658 return;
1864bbc2 659 } else if (result == TOS_NOT_SUPPORTED) {
360f0f39
AA		 660 pr_info("Keyboard backlight not supported\n");
661 return;
662 }
663}
ea6b31f4 664
9d8658ac
AA		 665/* TouchPad support */
666static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state)
667{
668 u32 result;
9d8658ac
AA		 669
670 if (!sci_open(dev))
671 return -EIO;
672
893f3f62 673 result = sci_write(dev, SCI_TOUCHPAD, state);
9d8658ac 674 sci_close(dev);
893f3f62 675 if (result == TOS_FAILURE) {
9d8658ac
AA		 676 pr_err("ACPI call to set the touchpad failed\n");
677 return -EIO;
1864bbc2 678 } else if (result == TOS_NOT_SUPPORTED) {
9d8658ac
AA		 679 return -ENODEV;
680 }
681
682 return 0;
683}
684
685static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state)
686{
687 u32 result;
9d8658ac
AA		 688
689 if (!sci_open(dev))
690 return -EIO;
691
893f3f62 692 result = sci_read(dev, SCI_TOUCHPAD, state);
9d8658ac 693 sci_close(dev);
893f3f62 694 if (result == TOS_FAILURE) {
9d8658ac
AA		 695 pr_err("ACPI call to query the touchpad failed\n");
696 return -EIO;
1864bbc2 697 } else if (result == TOS_NOT_SUPPORTED) {
9d8658ac
AA		 698 return -ENODEV;
699 }
700
701 return 0;
702}
6c3f6e6c 703
def6c4e2
AA		 704/* Eco Mode support */
705static int toshiba_eco_mode_available(struct toshiba_acpi_dev *dev)
706{
707 acpi_status status;
98fc4ec6 708 u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 0, 0, 0 };
258c5903 709 u32 out[TCI_WORDS];
def6c4e2 710
258c5903 711 status = tci_raw(dev, in, out);
98fc4ec6
AA		 712 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
713 pr_err("ACPI call to get ECO led failed\n");
714 } else if (out[0] == TOS_NOT_INSTALLED) {
715 pr_info("ECO led not installed");
716 } else if (out[0] == TOS_INPUT_DATA_ERROR) {
717 /* If we receive 0x8300 (Input Data Error), it means that the
718 * LED device is present, but that we just screwed the input
719 * parameters.
720 *
721 * Let's query the status of the LED to see if we really have a
722 * success response, indicating the actual presense of the LED,
723 * bail out otherwise.
724 */
725 in[3] = 1;
726 status = tci_raw(dev, in, out);
727 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE)
728 pr_err("ACPI call to get ECO led failed\n");
729 else if (out[0] == TOS_SUCCESS)
730 return 1;
def6c4e2
AA		 731 }
732
98fc4ec6 733 return 0;
def6c4e2
AA		 734}
735
b5163992
AA		 736static enum led_brightness
737toshiba_eco_mode_get_status(struct led_classdev *cdev)
def6c4e2
AA		 738{
739 struct toshiba_acpi_dev *dev = container_of(cdev,
740 struct toshiba_acpi_dev, eco_led);
258c5903
AA		 741 u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 };
742 u32 out[TCI_WORDS];
def6c4e2
AA		 743 acpi_status status;
744
258c5903 745 status = tci_raw(dev, in, out);
1864bbc2 746 if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) {
def6c4e2
AA		 747 pr_err("ACPI call to get ECO led failed\n");
748 return LED_OFF;
749 }
750
751 return out[2] ? LED_FULL : LED_OFF;
752}
753
754static void toshiba_eco_mode_set_status(struct led_classdev *cdev,
755 enum led_brightness brightness)
756{
757 struct toshiba_acpi_dev *dev = container_of(cdev,
758 struct toshiba_acpi_dev, eco_led);
258c5903
AA		 759 u32 in[TCI_WORDS] = { HCI_SET, HCI_ECO_MODE, 0, 1, 0, 0 };
760 u32 out[TCI_WORDS];
def6c4e2
AA		 761 acpi_status status;
762
763 /* Switch the Eco Mode led on/off */
764 in[2] = (brightness) ? 1 : 0;
258c5903 765 status = tci_raw(dev, in, out);
1864bbc2 766 if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) {
def6c4e2
AA		 767 pr_err("ACPI call to set ECO led failed\n");
768 return;
769 }
770}
ea6b31f4 771
5a2813e9
AA		 772/* Accelerometer support */
773static int toshiba_accelerometer_supported(struct toshiba_acpi_dev *dev)
774{
258c5903
AA		 775 u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 };
776 u32 out[TCI_WORDS];
5a2813e9
AA		 777 acpi_status status;
778
779 /* Check if the accelerometer call exists,
780 * this call also serves as initialization
781 */
258c5903 782 status = tci_raw(dev, in, out);
1864bbc2 783 if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) {
5a2813e9
AA		 784 pr_err("ACPI call to query the accelerometer failed\n");
785 return -EIO;
1864bbc2
AA		 786 } else if (out[0] == TOS_DATA_NOT_AVAILABLE ||
787 out[0] == TOS_NOT_INITIALIZED) {
5a2813e9
AA		 788 pr_err("Accelerometer not initialized\n");
789 return -EIO;
1864bbc2 790 } else if (out[0] == TOS_NOT_SUPPORTED) {
5a2813e9
AA		 791 pr_info("Accelerometer not supported\n");
792 return -ENODEV;
793 }
794
795 return 0;
796}
797
798static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev,
799 u32 *xy, u32 *z)
800{
258c5903
AA		 801 u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 };
802 u32 out[TCI_WORDS];
5a2813e9
AA		 803 acpi_status status;
804
805 /* Check the Accelerometer status */
258c5903 806 status = tci_raw(dev, in, out);
1864bbc2 807 if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) {
5a2813e9
AA		 808 pr_err("ACPI call to query the accelerometer failed\n");
809 return -EIO;
810 }
811
812 *xy = out[2];
813 *z = out[4];
814
815 return 0;
816}
def6c4e2 817
e26ffe51
AA		 818/* Sleep (Charge and Music) utilities support */
819static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev,
820 u32 *mode)
821{
822 u32 result;
823
824 if (!sci_open(dev))
825 return -EIO;
826
827 result = sci_read(dev, SCI_USB_SLEEP_CHARGE, mode);
828 sci_close(dev);
829 if (result == TOS_FAILURE) {
830 pr_err("ACPI call to set USB S&C mode failed\n");
831 return -EIO;
832 } else if (result == TOS_NOT_SUPPORTED) {
833 pr_info("USB Sleep and Charge not supported\n");
834 return -ENODEV;
835 } else if (result == TOS_INPUT_DATA_ERROR) {
836 return -EIO;
837 }
838
839 return 0;
840}
841
842static int toshiba_usb_sleep_charge_set(struct toshiba_acpi_dev *dev,
843 u32 mode)
844{
845 u32 result;
846
847 if (!sci_open(dev))
848 return -EIO;
849
850 result = sci_write(dev, SCI_USB_SLEEP_CHARGE, mode);
851 sci_close(dev);
852 if (result == TOS_FAILURE) {
853 pr_err("ACPI call to set USB S&C mode failed\n");
854 return -EIO;
855 } else if (result == TOS_NOT_SUPPORTED) {
856 pr_info("USB Sleep and Charge not supported\n");
857 return -ENODEV;
858 } else if (result == TOS_INPUT_DATA_ERROR) {
859 return -EIO;
860 }
861
862 return 0;
863}
864
182bcaa5
AA		 865static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev,
866 u32 *mode)
867{
868 u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
869 u32 out[TCI_WORDS];
870 acpi_status status;
871
872 if (!sci_open(dev))
873 return -EIO;
874
875 in[5] = SCI_USB_CHARGE_BAT_LVL;
876 status = tci_raw(dev, in, out);
877 sci_close(dev);
878 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
879 pr_err("ACPI call to get USB S&C battery level failed\n");
880 return -EIO;
881 } else if (out[0] == TOS_NOT_SUPPORTED) {
882 pr_info("USB Sleep and Charge not supported\n");
883 return -ENODEV;
884 } else if (out[0] == TOS_INPUT_DATA_ERROR) {
885 return -EIO;
886 }
887
888 *mode = out[2];
889
890 return 0;
891}
892
893static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev,
894 u32 mode)
895{
896 u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
897 u32 out[TCI_WORDS];
898 acpi_status status;
899
900 if (!sci_open(dev))
901 return -EIO;
902
903 in[2] = mode;
904 in[5] = SCI_USB_CHARGE_BAT_LVL;
905 status = tci_raw(dev, in, out);
906 sci_close(dev);
907 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
908 pr_err("ACPI call to set USB S&C battery level failed\n");
909 return -EIO;
910 } else if (out[0] == TOS_NOT_SUPPORTED) {
911 pr_info("USB Sleep and Charge not supported\n");
912 return -ENODEV;
913 } else if (out[0] == TOS_INPUT_DATA_ERROR) {
914 return -EIO;
915 }
916
917 return 0;
918}
919
bb3fe01f
AA		 920static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev,
921 u32 *state)
922{
923 u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
924 u32 out[TCI_WORDS];
925 acpi_status status;
926
927 if (!sci_open(dev))
928 return -EIO;
929
930 in[5] = SCI_USB_CHARGE_RAPID_DSP;
931 status = tci_raw(dev, in, out);
932 sci_close(dev);
933 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
934 pr_err("ACPI call to get USB S&C battery level failed\n");
935 return -EIO;
936 } else if (out[0] == TOS_NOT_SUPPORTED ||
937 out[0] == TOS_INPUT_DATA_ERROR) {
938 pr_info("USB Sleep and Charge not supported\n");
939 return -ENODEV;
940 }
941
942 *state = out[2];
943
944 return 0;
945}
946
947static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev,
948 u32 state)
949{
950 u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
951 u32 out[TCI_WORDS];
952 acpi_status status;
953
954 if (!sci_open(dev))
955 return -EIO;
956
957 in[2] = state;
958 in[5] = SCI_USB_CHARGE_RAPID_DSP;
959 status = tci_raw(dev, in, out);
960 sci_close(dev);
961 if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) {
962 pr_err("ACPI call to set USB S&C battery level failed\n");
963 return -EIO;
964 } else if (out[0] == TOS_NOT_SUPPORTED) {
965 pr_info("USB Sleep and Charge not supported\n");
966 return -ENODEV;
967 } else if (out[0] == TOS_INPUT_DATA_ERROR) {
968 return -EIO;
969 }
970
971 return 0;
972}
973
172ce0a9
AA		 974static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state)
975{
976 u32 result;
977
978 if (!sci_open(dev))
979 return -EIO;
980
981 result = sci_read(dev, SCI_USB_SLEEP_MUSIC, state);
982 sci_close(dev);
983 if (result == TOS_FAILURE) {
984 pr_err("ACPI call to set USB S&C mode failed\n");
985 return -EIO;
986 } else if (result == TOS_NOT_SUPPORTED) {
987 pr_info("USB Sleep and Charge not supported\n");
988 return -ENODEV;
989 } else if (result == TOS_INPUT_DATA_ERROR) {
990 return -EIO;
991 }
992
993 return 0;
994}
995
996static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state)
997{
998 u32 result;
999
1000 if (!sci_open(dev))
1001 return -EIO;
1002
1003 result = sci_write(dev, SCI_USB_SLEEP_MUSIC, state);
1004 sci_close(dev);
1005 if (result == TOS_FAILURE) {
1006 pr_err("ACPI call to set USB S&C mode failed\n");
1007 return -EIO;
1008 } else if (result == TOS_NOT_SUPPORTED) {
1009 pr_info("USB Sleep and Charge not supported\n");
1010 return -ENODEV;
1011 } else if (result == TOS_INPUT_DATA_ERROR) {
1012 return -EIO;
1013 }
1014
1015 return 0;
1016}
1017
bae84195
AA		 1018/* Keyboard function keys */
1019static int toshiba_function_keys_get(struct toshiba_acpi_dev *dev, u32 *mode)
1020{
1021 u32 result;
1022
1023 if (!sci_open(dev))
1024 return -EIO;
1025
1026 result = sci_read(dev, SCI_KBD_FUNCTION_KEYS, mode);
1027 sci_close(dev);
1028 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
1029 pr_err("ACPI call to get KBD function keys failed\n");
1030 return -EIO;
1031 } else if (result == TOS_NOT_SUPPORTED) {
1032 pr_info("KBD function keys not supported\n");
1033 return -ENODEV;
1034 }
1035
1036 return 0;
1037}
1038
1039static int toshiba_function_keys_set(struct toshiba_acpi_dev *dev, u32 mode)
1040{
1041 u32 result;
1042
1043 if (!sci_open(dev))
1044 return -EIO;
1045
1046 result = sci_write(dev, SCI_KBD_FUNCTION_KEYS, mode);
1047 sci_close(dev);
1048 if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) {
1049 pr_err("ACPI call to set KBD function keys failed\n");
1050 return -EIO;
1051 } else if (result == TOS_NOT_SUPPORTED) {
1052 pr_info("KBD function keys not supported\n");
1053 return -ENODEV;
1054 }
1055
1056 return 0;
1057}
1058
35d53cea
AA		 1059/* Panel Power ON */
1060static int toshiba_panel_power_on_get(struct toshiba_acpi_dev *dev, u32 *state)
1061{
1062 u32 result;
1063
1064 if (!sci_open(dev))
1065 return -EIO;
1066
1067 result = sci_read(dev, SCI_PANEL_POWER_ON, state);
1068 sci_close(dev);
1069 if (result == TOS_FAILURE) {
1070 pr_err("ACPI call to get Panel Power ON failed\n");
1071 return -EIO;
1072 } else if (result == TOS_NOT_SUPPORTED) {
1073 pr_info("Panel Power on not supported\n");
1074 return -ENODEV;
1075 } else if (result == TOS_INPUT_DATA_ERROR) {
1076 return -EIO;
1077 }
1078
1079 return 0;
1080}
1081
1082static int toshiba_panel_power_on_set(struct toshiba_acpi_dev *dev, u32 state)
1083{
1084 u32 result;
1085
1086 if (!sci_open(dev))
1087 return -EIO;
1088
1089 result = sci_write(dev, SCI_PANEL_POWER_ON, state);
1090 sci_close(dev);
1091 if (result == TOS_FAILURE) {
1092 pr_err("ACPI call to set Panel Power ON failed\n");
1093 return -EIO;
1094 } else if (result == TOS_NOT_SUPPORTED) {
1095 pr_info("Panel Power ON not supported\n");
1096 return -ENODEV;
1097 } else if (result == TOS_INPUT_DATA_ERROR) {
1098 return -EIO;
1099 }
1100
1101 return 0;
1102}
1103
17fe4b3d
AA		 1104/* USB Three */
1105static int toshiba_usb_three_get(struct toshiba_acpi_dev *dev, u32 *state)
1106{
1107 u32 result;
1108
1109 if (!sci_open(dev))
1110 return -EIO;
1111
1112 result = sci_read(dev, SCI_USB_THREE, state);
1113 sci_close(dev);
1114 if (result == TOS_FAILURE) {
1115 pr_err("ACPI call to get USB 3 failed\n");
1116 return -EIO;
1117 } else if (result == TOS_NOT_SUPPORTED) {
1118 pr_info("USB 3 not supported\n");
1119 return -ENODEV;
1120 } else if (result == TOS_INPUT_DATA_ERROR) {
1121 return -EIO;
1122 }
1123
1124 return 0;
1125}
1126
1127static int toshiba_usb_three_set(struct toshiba_acpi_dev *dev, u32 state)
1128{
1129 u32 result;
1130
1131 if (!sci_open(dev))
1132 return -EIO;
1133
1134 result = sci_write(dev, SCI_USB_THREE, state);
1135 sci_close(dev);
1136 if (result == TOS_FAILURE) {
1137 pr_err("ACPI call to set USB 3 failed\n");
1138 return -EIO;
1139 } else if (result == TOS_NOT_SUPPORTED) {
1140 pr_info("USB 3 not supported\n");
1141 return -ENODEV;
1142 } else if (result == TOS_INPUT_DATA_ERROR) {
1143 return -EIO;
1144 }
1145
1146 return 0;
1147}
1148
c41a40c5 1149/* Bluetooth rfkill handlers */
1150
135740de 1151static u32 hci_get_bt_present(struct toshiba_acpi_dev *dev, bool *present)
c41a40c5 1152{
1153 u32 hci_result;
1154 u32 value, value2;
1155
1156 value = 0;
1157 value2 = 0;
893f3f62 1158 hci_result = hci_read2(dev, HCI_WIRELESS, &value, &value2);
1864bbc2 1159 if (hci_result == TOS_SUCCESS)
c41a40c5 1160 *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
1161
1162 return hci_result;
1163}
1164
135740de 1165static u32 hci_get_radio_state(struct toshiba_acpi_dev *dev, bool *radio_state)
c41a40c5 1166{
1167 u32 hci_result;
1168 u32 value, value2;
1169
1170 value = 0;
1171 value2 = 0x0001;
893f3f62 1172 hci_result = hci_read2(dev, HCI_WIRELESS, &value, &value2);
c41a40c5 1173
1174 *radio_state = value & HCI_WIRELESS_KILL_SWITCH;
1175 return hci_result;
1176}
1177
19d337df 1178static int bt_rfkill_set_block(void *data, bool blocked)
c41a40c5 1179{
19d337df 1180 struct toshiba_acpi_dev *dev = data;
c41a40c5 1181 u32 result1, result2;
1182 u32 value;
19d337df 1183 int err;
c41a40c5 1184 bool radio_state;
c41a40c5 1185
19d337df 1186 value = (blocked == false);
c41a40c5 1187
19d337df 1188 mutex_lock(&dev->mutex);
1864bbc2 1189 if (hci_get_radio_state(dev, &radio_state) != TOS_SUCCESS) {
32bcd5cb 1190 err = -EIO;
19d337df
JB		 1191 goto out;
1192 }
c41a40c5 1193
19d337df
JB		 1194 if (!radio_state) {
1195 err = 0;
1196 goto out;
c41a40c5 1197 }
1198
893f3f62
AA		 1199 result1 = hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER);
1200 result2 = hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH);
c41a40c5 1201
1864bbc2 1202 if (result1 != TOS_SUCCESS || result2 != TOS_SUCCESS)
32bcd5cb 1203 err = -EIO;
19d337df
JB		 1204 else
1205 err = 0;
1206 out:
1207 mutex_unlock(&dev->mutex);
1208 return err;
c41a40c5 1209}
1210
19d337df 1211static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
c41a40c5 1212{
c41a40c5 1213 bool new_rfk_state;
1214 bool value;
1215 u32 hci_result;
19d337df
JB		 1216 struct toshiba_acpi_dev *dev = data;
1217
1218 mutex_lock(&dev->mutex);
c41a40c5 1219
135740de 1220 hci_result = hci_get_radio_state(dev, &value);
1864bbc2 1221 if (hci_result != TOS_SUCCESS) {
19d337df
JB		 1222 /* Can't do anything useful */
1223 mutex_unlock(&dev->mutex);
82e7784f 1224 return;
19d337df 1225 }
c41a40c5 1226
1227 new_rfk_state = value;
1228
c41a40c5 1229 mutex_unlock(&dev->mutex);
1230
19d337df
JB		 1231 if (rfkill_set_hw_state(rfkill, !new_rfk_state))
1232 bt_rfkill_set_block(data, true);
c41a40c5 1233}
1234
19d337df
JB		 1235static const struct rfkill_ops toshiba_rfk_ops = {
1236 .set_block = bt_rfkill_set_block,
1237 .poll = bt_rfkill_poll,
1238};
1239
121b7b0d
AI		 1240static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled)
1241{
1242 u32 hci_result;
1243 u32 status;
1244
893f3f62 1245 hci_result = hci_read1(dev, HCI_TR_BACKLIGHT, &status);
121b7b0d 1246 *enabled = !status;
1864bbc2 1247 return hci_result == TOS_SUCCESS ? 0 : -EIO;
121b7b0d
AI		 1248}
1249
1250static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, bool enable)
1251{
1252 u32 hci_result;
1253 u32 value = !enable;
1254
893f3f62 1255 hci_result = hci_write1(dev, HCI_TR_BACKLIGHT, value);
1864bbc2 1256 return hci_result == TOS_SUCCESS ? 0 : -EIO;
121b7b0d
AI		 1257}
1258
b5163992 1259static struct proc_dir_entry *toshiba_proc_dir /*= 0*/;
1da177e4 1260
62cce752 1261static int __get_lcd_brightness(struct toshiba_acpi_dev *dev)
1da177e4
LT		 1262{
1263 u32 hci_result;
1264 u32 value;
121b7b0d
AI		 1265 int brightness = 0;
1266
1267 if (dev->tr_backlight_supported) {
1268 bool enabled;
1269 int ret = get_tr_backlight_status(dev, &enabled);
b5163992 1270
121b7b0d
AI		 1271 if (ret)
1272 return ret;
1273 if (enabled)
1274 return 0;
1275 brightness++;
1276 }
1da177e4 1277
893f3f62 1278 hci_result = hci_read1(dev, HCI_LCD_BRIGHTNESS, &value);
1864bbc2 1279 if (hci_result == TOS_SUCCESS)
121b7b0d 1280 return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT);
32bcd5cb
SF		 1281
1282 return -EIO;
c9263557
HM		 1283}
1284
62cce752
SF		 1285static int get_lcd_brightness(struct backlight_device *bd)
1286{
1287 struct toshiba_acpi_dev *dev = bl_get_data(bd);
b5163992 1288
62cce752
SF		 1289 return __get_lcd_brightness(dev);
1290}
1291
936c8bcd 1292static int lcd_proc_show(struct seq_file *m, void *v)
c9263557 1293{
135740de
SF		 1294 struct toshiba_acpi_dev *dev = m->private;
1295 int value;
121b7b0d 1296 int levels;
135740de
SF		 1297
1298 if (!dev->backlight_dev)
1299 return -ENODEV;
c9263557 1300
121b7b0d 1301 levels = dev->backlight_dev->props.max_brightness + 1;
62cce752 1302 value = get_lcd_brightness(dev->backlight_dev);
c9263557 1303 if (value >= 0) {
936c8bcd 1304 seq_printf(m, "brightness: %d\n", value);
121b7b0d 1305 seq_printf(m, "brightness_levels: %d\n", levels);
32bcd5cb 1306 return 0;
1da177e4
LT		 1307 }
1308
32bcd5cb
SF		 1309 pr_err("Error reading LCD brightness\n");
1310 return -EIO;
936c8bcd
AD		 1311}
1312
1313static int lcd_proc_open(struct inode *inode, struct file *file)
1314{
d9dda78b 1315 return single_open(file, lcd_proc_show, PDE_DATA(inode));
1da177e4
LT		 1316}
1317
62cce752 1318static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value)
c9263557 1319{
a39f46df 1320 u32 hci_result;
c9263557 1321
121b7b0d
AI		 1322 if (dev->tr_backlight_supported) {
1323 bool enable = !value;
1324 int ret = set_tr_backlight_status(dev, enable);
b5163992 1325
121b7b0d
AI		 1326 if (ret)
1327 return ret;
1328 if (value)
1329 value--;
1330 }
1331
a39f46df
AA		 1332 value = value << HCI_LCD_BRIGHTNESS_SHIFT;
1333 hci_result = hci_write1(dev, HCI_LCD_BRIGHTNESS, value);
1334 return hci_result == TOS_SUCCESS ? 0 : -EIO;
c9263557
HM		 1335}
1336
1337static int set_lcd_status(struct backlight_device *bd)
1338{
135740de 1339 struct toshiba_acpi_dev *dev = bl_get_data(bd);
b5163992 1340
62cce752 1341 return set_lcd_brightness(dev, bd->props.brightness);
c9263557
HM		 1342}
1343
936c8bcd
AD		 1344static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
1345 size_t count, loff_t *pos)
1da177e4 1346{
d9dda78b 1347 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
936c8bcd
AD		 1348 char cmd[42];
1349 size_t len;
1da177e4 1350 int value;
c8af57eb 1351 int ret;
121b7b0d 1352 int levels = dev->backlight_dev->props.max_brightness + 1;
1da177e4 1353
936c8bcd
AD		 1354 len = min(count, sizeof(cmd) - 1);
1355 if (copy_from_user(cmd, buf, len))
1356 return -EFAULT;
1357 cmd[len] = '\0';
1358
1359 if (sscanf(cmd, " brightness : %i", &value) == 1 &&
121b7b0d 1360 value >= 0 && value < levels) {
62cce752 1361 ret = set_lcd_brightness(dev, value);
c8af57eb
MO		 1362 if (ret == 0)
1363 ret = count;
1364 } else {
c9263557 1365 ret = -EINVAL;
c8af57eb 1366 }
c9263557 1367 return ret;
1da177e4
LT		 1368}
1369
936c8bcd
AD		 1370static const struct file_operations lcd_proc_fops = {
1371 .owner = THIS_MODULE,
1372 .open = lcd_proc_open,
1373 .read = seq_read,
1374 .llseek = seq_lseek,
1375 .release = single_release,
1376 .write = lcd_proc_write,
1377};
1378
36d03f93
SF		 1379static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status)
1380{
1381 u32 hci_result;
1382
893f3f62 1383 hci_result = hci_read1(dev, HCI_VIDEO_OUT, status);
1864bbc2 1384 return hci_result == TOS_SUCCESS ? 0 : -EIO;
36d03f93
SF		 1385}
1386
936c8bcd 1387static int video_proc_show(struct seq_file *m, void *v)
1da177e4 1388{
135740de 1389 struct toshiba_acpi_dev *dev = m->private;
1da177e4 1390 u32 value;
36d03f93 1391 int ret;
1da177e4 1392
36d03f93
SF		 1393 ret = get_video_status(dev, &value);
1394 if (!ret) {
1da177e4
LT		 1395 int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
1396 int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
4be44fcd 1397 int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
b5163992 1398
936c8bcd
AD		 1399 seq_printf(m, "lcd_out: %d\n", is_lcd);
1400 seq_printf(m, "crt_out: %d\n", is_crt);
1401 seq_printf(m, "tv_out: %d\n", is_tv);
1da177e4
LT		 1402 }
1403
36d03f93 1404 return ret;
1da177e4
LT		 1405}
1406
936c8bcd 1407static int video_proc_open(struct inode *inode, struct file *file)
1da177e4 1408{
d9dda78b 1409 return single_open(file, video_proc_show, PDE_DATA(inode));
936c8bcd
AD		 1410}
1411
1412static ssize_t video_proc_write(struct file *file, const char __user *buf,
1413 size_t count, loff_t *pos)
1414{
d9dda78b 1415 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
936c8bcd 1416 char *cmd, *buffer;
36d03f93 1417 int ret;
1da177e4
LT		 1418 int value;
1419 int remain = count;
1420 int lcd_out = -1;
1421 int crt_out = -1;
1422 int tv_out = -1;
b4482a4b 1423 u32 video_out;
1da177e4 1424
936c8bcd
AD		 1425 cmd = kmalloc(count + 1, GFP_KERNEL);
1426 if (!cmd)
1427 return -ENOMEM;
1428 if (copy_from_user(cmd, buf, count)) {
1429 kfree(cmd);
1430 return -EFAULT;
1431 }
1432 cmd[count] = '\0';
1433
1434 buffer = cmd;
1435
1da177e4
LT		 1436 /* scan expression. Multiple expressions may be delimited with ;
1437 *
1438 * NOTE: to keep scanning simple, invalid fields are ignored
1439 */
1440 while (remain) {
1441 if (sscanf(buffer, " lcd_out : %i", &value) == 1)
1442 lcd_out = value & 1;
1443 else if (sscanf(buffer, " crt_out : %i", &value) == 1)
1444 crt_out = value & 1;
1445 else if (sscanf(buffer, " tv_out : %i", &value) == 1)
1446 tv_out = value & 1;
1447 /* advance to one character past the next ; */
1448 do {
1449 ++buffer;
1450 --remain;
b5163992 1451 } while (remain && *(buffer - 1) != ';');
1da177e4
LT		 1452 }
1453
936c8bcd
AD		 1454 kfree(cmd);
1455
36d03f93
SF		 1456 ret = get_video_status(dev, &video_out);
1457 if (!ret) {
9e113e00 1458 unsigned int new_video_out = video_out;
b5163992 1459
1da177e4
LT		 1460 if (lcd_out != -1)
1461 _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
1462 if (crt_out != -1)
1463 _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out);
1464 if (tv_out != -1)
1465 _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out);
1466 /* To avoid unnecessary video disruption, only write the new
1467 * video setting if something changed. */
1468 if (new_video_out != video_out)
32bcd5cb 1469 ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out);
1da177e4
LT		 1470 }
1471
32bcd5cb 1472 return ret ? ret : count;
1da177e4
LT		 1473}
1474
936c8bcd
AD		 1475static const struct file_operations video_proc_fops = {
1476 .owner = THIS_MODULE,
1477 .open = video_proc_open,
1478 .read = seq_read,
1479 .llseek = seq_lseek,
1480 .release = single_release,
1481 .write = video_proc_write,
1482};
1483
36d03f93
SF		 1484static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status)
1485{
1486 u32 hci_result;
1487
893f3f62 1488 hci_result = hci_read1(dev, HCI_FAN, status);
1864bbc2 1489 return hci_result == TOS_SUCCESS ? 0 : -EIO;
36d03f93
SF		 1490}
1491
936c8bcd 1492static int fan_proc_show(struct seq_file *m, void *v)
1da177e4 1493{
135740de 1494 struct toshiba_acpi_dev *dev = m->private;
36d03f93 1495 int ret;
1da177e4
LT		 1496 u32 value;
1497
36d03f93
SF		 1498 ret = get_fan_status(dev, &value);
1499 if (!ret) {
936c8bcd 1500 seq_printf(m, "running: %d\n", (value > 0));
135740de 1501 seq_printf(m, "force_on: %d\n", dev->force_fan);
1da177e4
LT		 1502 }
1503
36d03f93 1504 return ret;
936c8bcd
AD		 1505}
1506
1507static int fan_proc_open(struct inode *inode, struct file *file)
1508{
d9dda78b 1509 return single_open(file, fan_proc_show, PDE_DATA(inode));
1da177e4
LT		 1510}
1511
936c8bcd
AD		 1512static ssize_t fan_proc_write(struct file *file, const char __user *buf,
1513 size_t count, loff_t *pos)
1da177e4 1514{
d9dda78b 1515 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
936c8bcd
AD		 1516 char cmd[42];
1517 size_t len;
1da177e4
LT		 1518 int value;
1519 u32 hci_result;
1520
936c8bcd
AD		 1521 len = min(count, sizeof(cmd) - 1);
1522 if (copy_from_user(cmd, buf, len))
1523 return -EFAULT;
1524 cmd[len] = '\0';
1525
1526 if (sscanf(cmd, " force_on : %i", &value) == 1 &&
4be44fcd 1527 value >= 0 && value <= 1) {
893f3f62 1528 hci_result = hci_write1(dev, HCI_FAN, value);
b5163992 1529 if (hci_result == TOS_SUCCESS)
135740de 1530 dev->force_fan = value;
b5163992
AA		 1531 else
1532 return -EIO;
1da177e4
LT		 1533 } else {
1534 return -EINVAL;
1535 }
1536
1537 return count;
1538}
1539
936c8bcd
AD		 1540static const struct file_operations fan_proc_fops = {
1541 .owner = THIS_MODULE,
1542 .open = fan_proc_open,
1543 .read = seq_read,
1544 .llseek = seq_lseek,
1545 .release = single_release,
1546 .write = fan_proc_write,
1547};
1548
1549static int keys_proc_show(struct seq_file *m, void *v)
1da177e4 1550{
135740de 1551 struct toshiba_acpi_dev *dev = m->private;
1da177e4
LT		 1552 u32 hci_result;
1553 u32 value;
1554
11948b93 1555 if (!dev->key_event_valid && dev->system_event_supported) {
893f3f62 1556 hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value);
1864bbc2 1557 if (hci_result == TOS_SUCCESS) {
135740de
SF		 1558 dev->key_event_valid = 1;
1559 dev->last_key_event = value;
1864bbc2 1560 } else if (hci_result == TOS_FIFO_EMPTY) {
1da177e4 1561 /* better luck next time */
1864bbc2 1562 } else if (hci_result == TOS_NOT_SUPPORTED) {
1da177e4
LT		 1563 /* This is a workaround for an unresolved issue on
1564 * some machines where system events sporadically
1565 * become disabled. */
893f3f62 1566 hci_result = hci_write1(dev, HCI_SYSTEM_EVENT, 1);
7e33460d 1567 pr_notice("Re-enabled hotkeys\n");
1da177e4 1568 } else {
7e33460d 1569 pr_err("Error reading hotkey status\n");
32bcd5cb 1570 return -EIO;
1da177e4
LT		 1571 }
1572 }
1573
135740de
SF		 1574 seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid);
1575 seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event);
936c8bcd
AD		 1576 return 0;
1577}
1da177e4 1578
936c8bcd
AD		 1579static int keys_proc_open(struct inode *inode, struct file *file)
1580{
d9dda78b 1581 return single_open(file, keys_proc_show, PDE_DATA(inode));
1da177e4
LT		 1582}
1583
936c8bcd
AD		 1584static ssize_t keys_proc_write(struct file *file, const char __user *buf,
1585 size_t count, loff_t *pos)
1da177e4 1586{
d9dda78b 1587 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
936c8bcd
AD		 1588 char cmd[42];
1589 size_t len;
1da177e4
LT		 1590 int value;
1591
936c8bcd
AD		 1592 len = min(count, sizeof(cmd) - 1);
1593 if (copy_from_user(cmd, buf, len))
1594 return -EFAULT;
1595 cmd[len] = '\0';
1596
b5163992 1597 if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0)
135740de 1598 dev->key_event_valid = 0;
b5163992 1599 else
1da177e4 1600 return -EINVAL;
1da177e4
LT		 1601
1602 return count;
1603}
1604
936c8bcd
AD		 1605static const struct file_operations keys_proc_fops = {
1606 .owner = THIS_MODULE,
1607 .open = keys_proc_open,
1608 .read = seq_read,
1609 .llseek = seq_lseek,
1610 .release = single_release,
1611 .write = keys_proc_write,
1612};
1613
1614static int version_proc_show(struct seq_file *m, void *v)
1da177e4 1615{
936c8bcd
AD		 1616 seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION);
1617 seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION);
1618 return 0;
1da177e4
LT		 1619}
1620
936c8bcd
AD		 1621static int version_proc_open(struct inode *inode, struct file *file)
1622{
d9dda78b 1623 return single_open(file, version_proc_show, PDE_DATA(inode));
936c8bcd
AD		 1624}
1625
1626static const struct file_operations version_proc_fops = {
1627 .owner = THIS_MODULE,
1628 .open = version_proc_open,
1629 .read = seq_read,
1630 .llseek = seq_lseek,
1631 .release = single_release,
1632};
1633
1da177e4
LT		 1634/* proc and module init
1635 */
1636
1637#define PROC_TOSHIBA "toshiba"
1638
b859f159 1639static void create_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
1da177e4 1640{
36d03f93
SF		 1641 if (dev->backlight_dev)
1642 proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1643 &lcd_proc_fops, dev);
1644 if (dev->video_supported)
1645 proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1646 &video_proc_fops, dev);
1647 if (dev->fan_supported)
1648 proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1649 &fan_proc_fops, dev);
1650 if (dev->hotkey_dev)
1651 proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1652 &keys_proc_fops, dev);
135740de
SF		 1653 proc_create_data("version", S_IRUGO, toshiba_proc_dir,
1654 &version_proc_fops, dev);
1da177e4
LT		 1655}
1656
36d03f93 1657static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
1da177e4 1658{
36d03f93
SF		 1659 if (dev->backlight_dev)
1660 remove_proc_entry("lcd", toshiba_proc_dir);
1661 if (dev->video_supported)
1662 remove_proc_entry("video", toshiba_proc_dir);
1663 if (dev->fan_supported)
1664 remove_proc_entry("fan", toshiba_proc_dir);
1665 if (dev->hotkey_dev)
1666 remove_proc_entry("keys", toshiba_proc_dir);
936c8bcd 1667 remove_proc_entry("version", toshiba_proc_dir);
1da177e4
LT		 1668}
1669
acc2472e 1670static const struct backlight_ops toshiba_backlight_data = {
121b7b0d 1671 .options = BL_CORE_SUSPENDRESUME,
62cce752
SF		 1672 .get_brightness = get_lcd_brightness,
1673 .update_status = set_lcd_status,
c9263557 1674};
ea6b31f4 1675
360f0f39
AA		 1676/*
1677 * Sysfs files
1678 */
9d309848
AA		 1679static ssize_t version_show(struct device *dev,
1680 struct device_attribute *attr, char *buf)
c6c68ff8
AA		 1681{
1682 return sprintf(buf, "%s\n", TOSHIBA_ACPI_VERSION);
1683}
0c3c0f10 1684static DEVICE_ATTR_RO(version);
c6c68ff8 1685
9d309848
AA		 1686static ssize_t fan_store(struct device *dev,
1687 struct device_attribute *attr,
1688 const char *buf, size_t count)
94477d4c
AA		 1689{
1690 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1691 u32 result;
1692 int state;
1693 int ret;
1694
1695 ret = kstrtoint(buf, 0, &state);
1696 if (ret)
1697 return ret;
1698
1699 if (state != 0 && state != 1)
1700 return -EINVAL;
1701
1702 result = hci_write1(toshiba, HCI_FAN, state);
1703 if (result == TOS_FAILURE)
1704 return -EIO;
1705 else if (result == TOS_NOT_SUPPORTED)
1706 return -ENODEV;
1707
1708 return count;
1709}
1710
9d309848
AA		 1711static ssize_t fan_show(struct device *dev,
1712 struct device_attribute *attr, char *buf)
94477d4c
AA		 1713{
1714 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1715 u32 value;
1716 int ret;
1717
1718 ret = get_fan_status(toshiba, &value);
1719 if (ret)
1720 return ret;
1721
1722 return sprintf(buf, "%d\n", value);
1723}
0c3c0f10 1724static DEVICE_ATTR_RW(fan);
94477d4c 1725
9d309848
AA		 1726static ssize_t kbd_backlight_mode_store(struct device *dev,
1727 struct device_attribute *attr,
1728 const char *buf, size_t count)
360f0f39
AA		 1729{
1730 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
aeaac098
DC		 1731 int mode;
1732 int time;
1733 int ret;
1734
360f0f39 1735
aeaac098
DC		 1736 ret = kstrtoint(buf, 0, &mode);
1737 if (ret)
1738 return ret;
93f8c16d
AA		 1739
1740 /* Check for supported modes depending on keyboard backlight type */
1741 if (toshiba->kbd_type == 1) {
1742 /* Type 1 supports SCI_KBD_MODE_FNZ and SCI_KBD_MODE_AUTO */
1743 if (mode != SCI_KBD_MODE_FNZ && mode != SCI_KBD_MODE_AUTO)
1744 return -EINVAL;
1745 } else if (toshiba->kbd_type == 2) {
1746 /* Type 2 doesn't support SCI_KBD_MODE_FNZ */
1747 if (mode != SCI_KBD_MODE_AUTO && mode != SCI_KBD_MODE_ON &&
1748 mode != SCI_KBD_MODE_OFF)
1749 return -EINVAL;
1750 }
360f0f39
AA		 1751
1752 /* Set the Keyboard Backlight Mode where:
360f0f39
AA		 1753 * Auto - KBD backlight turns off automatically in given time
1754 * FN-Z - KBD backlight "toggles" when hotkey pressed
93f8c16d
AA		 1755 * ON - KBD backlight is always on
1756 * OFF - KBD backlight is always off
360f0f39 1757 */
93f8c16d
AA		 1758
1759 /* Only make a change if the actual mode has changed */
aeaac098 1760 if (toshiba->kbd_mode != mode) {
93f8c16d 1761 /* Shift the time to "base time" (0x3c0000 == 60 seconds) */
360f0f39 1762 time = toshiba->kbd_time << HCI_MISC_SHIFT;
93f8c16d
AA		 1763
1764 /* OR the "base time" to the actual method format */
1765 if (toshiba->kbd_type == 1) {
1766 /* Type 1 requires the current mode */
1767 time |= toshiba->kbd_mode;
1768 } else if (toshiba->kbd_type == 2) {
1769 /* Type 2 requires the desired mode */
1770 time |= mode;
1771 }
1772
aeaac098
DC		 1773 ret = toshiba_kbd_illum_status_set(toshiba, time);
1774 if (ret)
1775 return ret;
93f8c16d 1776
360f0f39
AA		 1777 toshiba->kbd_mode = mode;
1778 }
1779
1780 return count;
1781}
1782
9d309848
AA		 1783static ssize_t kbd_backlight_mode_show(struct device *dev,
1784 struct device_attribute *attr,
1785 char *buf)
360f0f39
AA		 1786{
1787 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1788 u32 time;
1789
1790 if (toshiba_kbd_illum_status_get(toshiba, &time) < 0)
1791 return -EIO;
1792
93f8c16d
AA		 1793 return sprintf(buf, "%i\n", time & SCI_KBD_MODE_MASK);
1794}
0c3c0f10 1795static DEVICE_ATTR_RW(kbd_backlight_mode);
93f8c16d 1796
9d309848
AA		 1797static ssize_t kbd_type_show(struct device *dev,
1798 struct device_attribute *attr, char *buf)
93f8c16d
AA		 1799{
1800 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1801
1802 return sprintf(buf, "%d\n", toshiba->kbd_type);
1803}
0c3c0f10 1804static DEVICE_ATTR_RO(kbd_type);
93f8c16d 1805
9d309848
AA		 1806static ssize_t available_kbd_modes_show(struct device *dev,
1807 struct device_attribute *attr,
1808 char *buf)
93f8c16d
AA		 1809{
1810 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1811
1812 if (toshiba->kbd_type == 1)
1813 return sprintf(buf, "%x %x\n",
1814 SCI_KBD_MODE_FNZ, SCI_KBD_MODE_AUTO);
1815
1816 return sprintf(buf, "%x %x %x\n",
1817 SCI_KBD_MODE_AUTO, SCI_KBD_MODE_ON, SCI_KBD_MODE_OFF);
360f0f39 1818}
0c3c0f10 1819static DEVICE_ATTR_RO(available_kbd_modes);
360f0f39 1820
9d309848
AA		 1821static ssize_t kbd_backlight_timeout_store(struct device *dev,
1822 struct device_attribute *attr,
1823 const char *buf, size_t count)
360f0f39
AA		 1824{
1825 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
eabde0fa
AA		 1826 int time;
1827 int ret;
360f0f39 1828
eabde0fa
AA		 1829 ret = kstrtoint(buf, 0, &time);
1830 if (ret)
1831 return ret;
1832
1833 /* Check for supported values depending on kbd_type */
1834 if (toshiba->kbd_type == 1) {
1835 if (time < 0 || time > 60)
1836 return -EINVAL;
1837 } else if (toshiba->kbd_type == 2) {
1838 if (time < 1 || time > 60)
1839 return -EINVAL;
1840 }
1841
1842 /* Set the Keyboard Backlight Timeout */
360f0f39 1843
eabde0fa
AA		 1844 /* Only make a change if the actual timeout has changed */
1845 if (toshiba->kbd_time != time) {
1846 /* Shift the time to "base time" (0x3c0000 == 60 seconds) */
360f0f39 1847 time = time << HCI_MISC_SHIFT;
eabde0fa
AA		 1848 /* OR the "base time" to the actual method format */
1849 if (toshiba->kbd_type == 1)
1850 time |= SCI_KBD_MODE_FNZ;
1851 else if (toshiba->kbd_type == 2)
1852 time |= SCI_KBD_MODE_AUTO;
1853
1854 ret = toshiba_kbd_illum_status_set(toshiba, time);
1855 if (ret)
1856 return ret;
1857
360f0f39
AA		 1858 toshiba->kbd_time = time >> HCI_MISC_SHIFT;
1859 }
1860
1861 return count;
1862}
1863
9d309848
AA		 1864static ssize_t kbd_backlight_timeout_show(struct device *dev,
1865 struct device_attribute *attr,
1866 char *buf)
360f0f39
AA		 1867{
1868 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1869 u32 time;
1870
1871 if (toshiba_kbd_illum_status_get(toshiba, &time) < 0)
1872 return -EIO;
1873
1874 return sprintf(buf, "%i\n", time >> HCI_MISC_SHIFT);
1875}
0c3c0f10 1876static DEVICE_ATTR_RW(kbd_backlight_timeout);
ea6b31f4 1877
9d309848
AA		 1878static ssize_t touchpad_store(struct device *dev,
1879 struct device_attribute *attr,
1880 const char *buf, size_t count)
9d8658ac
AA		 1881{
1882 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1883 int state;
c8a41669 1884 int ret;
9d8658ac
AA		 1885
1886 /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */
c8a41669
AA		 1887 ret = kstrtoint(buf, 0, &state);
1888 if (ret)
1889 return ret;
1890 if (state != 0 && state != 1)
1891 return -EINVAL;
1892
1893 ret = toshiba_touchpad_set(toshiba, state);
1894 if (ret)
1895 return ret;
9d8658ac
AA		 1896
1897 return count;
1898}
1899
9d309848
AA		 1900static ssize_t touchpad_show(struct device *dev,
1901 struct device_attribute *attr, char *buf)
9d8658ac
AA		 1902{
1903 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1904 u32 state;
1905 int ret;
1906
1907 ret = toshiba_touchpad_get(toshiba, &state);
1908 if (ret < 0)
1909 return ret;
1910
1911 return sprintf(buf, "%i\n", state);
1912}
0c3c0f10 1913static DEVICE_ATTR_RW(touchpad);
ea6b31f4 1914
9d309848
AA		 1915static ssize_t position_show(struct device *dev,
1916 struct device_attribute *attr, char *buf)
5a2813e9
AA		 1917{
1918 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1919 u32 xyval, zval, tmp;
1920 u16 x, y, z;
1921 int ret;
1922
1923 xyval = zval = 0;
1924 ret = toshiba_accelerometer_get(toshiba, &xyval, &zval);
1925 if (ret < 0)
1926 return ret;
1927
1928 x = xyval & HCI_ACCEL_MASK;
1929 tmp = xyval >> HCI_MISC_SHIFT;
1930 y = tmp & HCI_ACCEL_MASK;
1931 z = zval & HCI_ACCEL_MASK;
1932
1933 return sprintf(buf, "%d %d %d\n", x, y, z);
1934}
0c3c0f10 1935static DEVICE_ATTR_RO(position);
360f0f39 1936
9d309848
AA		 1937static ssize_t usb_sleep_charge_show(struct device *dev,
1938 struct device_attribute *attr, char *buf)
e26ffe51
AA		 1939{
1940 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1941 u32 mode;
1942 int ret;
1943
1944 ret = toshiba_usb_sleep_charge_get(toshiba, &mode);
1945 if (ret < 0)
1946 return ret;
1947
1948 return sprintf(buf, "%x\n", mode & SCI_USB_CHARGE_MODE_MASK);
1949}
1950
9d309848
AA		 1951static ssize_t usb_sleep_charge_store(struct device *dev,
1952 struct device_attribute *attr,
1953 const char *buf, size_t count)
e26ffe51
AA		 1954{
1955 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1956 u32 mode;
1957 int state;
1958 int ret;
1959
1960 ret = kstrtoint(buf, 0, &state);
1961 if (ret)
1962 return ret;
1963 /* Check for supported values, where:
1964 * 0 - Disabled
1965 * 1 - Alternate (Non USB conformant devices that require more power)
1966 * 2 - Auto (USB conformant devices)
1967 */
1968 if (state != 0 && state != 1 && state != 2)
1969 return -EINVAL;
1970
1971 /* Set the USB charging mode to internal value */
1972 if (state == 0)
1973 mode = SCI_USB_CHARGE_DISABLED;
1974 else if (state == 1)
1975 mode = SCI_USB_CHARGE_ALTERNATE;
1976 else if (state == 2)
1977 mode = SCI_USB_CHARGE_AUTO;
1978
1979 ret = toshiba_usb_sleep_charge_set(toshiba, mode);
1980 if (ret)
1981 return ret;
1982
1983 return count;
1984}
0c3c0f10 1985static DEVICE_ATTR_RW(usb_sleep_charge);
e26ffe51 1986
182bcaa5
AA		 1987static ssize_t sleep_functions_on_battery_show(struct device *dev,
1988 struct device_attribute *attr,
1989 char *buf)
1990{
1991 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1992 u32 state;
1993 int bat_lvl;
1994 int status;
1995 int ret;
1996 int tmp;
1997
1998 ret = toshiba_sleep_functions_status_get(toshiba, &state);
1999 if (ret < 0)
2000 return ret;
2001
2002 /* Determine the status: 0x4 - Enabled | 0x1 - Disabled */
2003 tmp = state & SCI_USB_CHARGE_BAT_MASK;
2004 status = (tmp == 0x4) ? 1 : 0;
2005 /* Determine the battery level set */
2006 bat_lvl = state >> HCI_MISC_SHIFT;
2007
2008 return sprintf(buf, "%d %d\n", status, bat_lvl);
2009}
2010
2011static ssize_t sleep_functions_on_battery_store(struct device *dev,
2012 struct device_attribute *attr,
2013 const char *buf, size_t count)
2014{
2015 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2016 u32 status;
2017 int value;
2018 int ret;
2019 int tmp;
2020
2021 ret = kstrtoint(buf, 0, &value);
2022 if (ret)
2023 return ret;
2024
2025 /* Set the status of the function:
2026 * 0 - Disabled
2027 * 1-100 - Enabled
2028 */
2029 if (value < 0 || value > 100)
2030 return -EINVAL;
2031
2032 if (value == 0) {
2033 tmp = toshiba->usbsc_bat_level << HCI_MISC_SHIFT;
2034 status = tmp | SCI_USB_CHARGE_BAT_LVL_OFF;
2035 } else {
2036 tmp = value << HCI_MISC_SHIFT;
2037 status = tmp | SCI_USB_CHARGE_BAT_LVL_ON;
2038 }
2039 ret = toshiba_sleep_functions_status_set(toshiba, status);
2040 if (ret < 0)
2041 return ret;
2042
2043 toshiba->usbsc_bat_level = status >> HCI_MISC_SHIFT;
2044
2045 return count;
2046}
0c3c0f10 2047static DEVICE_ATTR_RW(sleep_functions_on_battery);
182bcaa5 2048
9d309848
AA		 2049static ssize_t usb_rapid_charge_show(struct device *dev,
2050 struct device_attribute *attr, char *buf)
bb3fe01f
AA		 2051{
2052 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2053 u32 state;
2054 int ret;
2055
2056 ret = toshiba_usb_rapid_charge_get(toshiba, &state);
2057 if (ret < 0)
2058 return ret;
2059
2060 return sprintf(buf, "%d\n", state);
2061}
2062
9d309848
AA		 2063static ssize_t usb_rapid_charge_store(struct device *dev,
2064 struct device_attribute *attr,
2065 const char *buf, size_t count)
bb3fe01f
AA		 2066{
2067 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2068 int state;
2069 int ret;
2070
2071 ret = kstrtoint(buf, 0, &state);
2072 if (ret)
2073 return ret;
2074 if (state != 0 && state != 1)
2075 return -EINVAL;
2076
2077 ret = toshiba_usb_rapid_charge_set(toshiba, state);
2078 if (ret)
2079 return ret;
2080
2081 return count;
2082}
0c3c0f10 2083static DEVICE_ATTR_RW(usb_rapid_charge);
bb3fe01f 2084
9d309848
AA		 2085static ssize_t usb_sleep_music_show(struct device *dev,
2086 struct device_attribute *attr, char *buf)
172ce0a9
AA		 2087{
2088 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2089 u32 state;
2090 int ret;
2091
2092 ret = toshiba_usb_sleep_music_get(toshiba, &state);
2093 if (ret < 0)
2094 return ret;
2095
2096 return sprintf(buf, "%d\n", state);
2097}
2098
9d309848
AA		 2099static ssize_t usb_sleep_music_store(struct device *dev,
2100 struct device_attribute *attr,
2101 const char *buf, size_t count)
172ce0a9
AA		 2102{
2103 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2104 int state;
2105 int ret;
2106
2107 ret = kstrtoint(buf, 0, &state);
2108 if (ret)
2109 return ret;
2110 if (state != 0 && state != 1)
2111 return -EINVAL;
2112
2113 ret = toshiba_usb_sleep_music_set(toshiba, state);
2114 if (ret)
2115 return ret;
2116
2117 return count;
2118}
0c3c0f10 2119static DEVICE_ATTR_RW(usb_sleep_music);
172ce0a9 2120
9d309848
AA		 2121static ssize_t kbd_function_keys_show(struct device *dev,
2122 struct device_attribute *attr, char *buf)
bae84195
AA		 2123{
2124 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2125 int mode;
2126 int ret;
2127
2128 ret = toshiba_function_keys_get(toshiba, &mode);
2129 if (ret < 0)
2130 return ret;
2131
2132 return sprintf(buf, "%d\n", mode);
2133}
2134
9d309848
AA		 2135static ssize_t kbd_function_keys_store(struct device *dev,
2136 struct device_attribute *attr,
2137 const char *buf, size_t count)
bae84195
AA		 2138{
2139 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2140 int mode;
2141 int ret;
2142
2143 ret = kstrtoint(buf, 0, &mode);
2144 if (ret)
2145 return ret;
2146 /* Check for the function keys mode where:
2147 * 0 - Normal operation (F{1-12} as usual and hotkeys via FN-F{1-12})
2148 * 1 - Special functions (Opposite of the above setting)
2149 */
2150 if (mode != 0 && mode != 1)
2151 return -EINVAL;
2152
2153 ret = toshiba_function_keys_set(toshiba, mode);
2154 if (ret)
2155 return ret;
2156
2157 pr_info("Reboot for changes to KBD Function Keys to take effect");
2158
2159 return count;
2160}
0c3c0f10 2161static DEVICE_ATTR_RW(kbd_function_keys);
bae84195 2162
9d309848
AA		 2163static ssize_t panel_power_on_show(struct device *dev,
2164 struct device_attribute *attr, char *buf)
35d53cea
AA		 2165{
2166 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2167 u32 state;
2168 int ret;
2169
2170 ret = toshiba_panel_power_on_get(toshiba, &state);
2171 if (ret < 0)
2172 return ret;
2173
2174 return sprintf(buf, "%d\n", state);
2175}
2176
9d309848
AA		 2177static ssize_t panel_power_on_store(struct device *dev,
2178 struct device_attribute *attr,
2179 const char *buf, size_t count)
35d53cea
AA		 2180{
2181 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2182 int state;
2183 int ret;
2184
2185 ret = kstrtoint(buf, 0, &state);
2186 if (ret)
2187 return ret;
2188 if (state != 0 && state != 1)
2189 return -EINVAL;
2190
2191 ret = toshiba_panel_power_on_set(toshiba, state);
2192 if (ret)
2193 return ret;
2194
2195 pr_info("Reboot for changes to Panel Power ON to take effect");
2196
2197 return count;
2198}
0c3c0f10 2199static DEVICE_ATTR_RW(panel_power_on);
35d53cea 2200
9d309848
AA		 2201static ssize_t usb_three_show(struct device *dev,
2202 struct device_attribute *attr, char *buf)
17fe4b3d
AA		 2203{
2204 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2205 u32 state;
2206 int ret;
2207
2208 ret = toshiba_usb_three_get(toshiba, &state);
2209 if (ret < 0)
2210 return ret;
2211
2212 return sprintf(buf, "%d\n", state);
2213}
2214
9d309848
AA		 2215static ssize_t usb_three_store(struct device *dev,
2216 struct device_attribute *attr,
2217 const char *buf, size_t count)
17fe4b3d
AA		 2218{
2219 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2220 int state;
2221 int ret;
2222
2223 ret = kstrtoint(buf, 0, &state);
2224 if (ret)
2225 return ret;
2226 /* Check for USB 3 mode where:
2227 * 0 - Disabled (Acts like a USB 2 port, saving power)
2228 * 1 - Enabled
2229 */
2230 if (state != 0 && state != 1)
2231 return -EINVAL;
2232
2233 ret = toshiba_usb_three_set(toshiba, state);
2234 if (ret)
2235 return ret;
2236
2237 pr_info("Reboot for changes to USB 3 to take effect");
2238
2239 return count;
2240}
0c3c0f10 2241static DEVICE_ATTR_RW(usb_three);
9bd1213b
AA		 2242
2243static struct attribute *toshiba_attributes[] = {
2244 &dev_attr_version.attr,
2245 &dev_attr_fan.attr,
2246 &dev_attr_kbd_backlight_mode.attr,
2247 &dev_attr_kbd_type.attr,
2248 &dev_attr_available_kbd_modes.attr,
2249 &dev_attr_kbd_backlight_timeout.attr,
2250 &dev_attr_touchpad.attr,
2251 &dev_attr_position.attr,
2252 &dev_attr_usb_sleep_charge.attr,
2253 &dev_attr_sleep_functions_on_battery.attr,
2254 &dev_attr_usb_rapid_charge.attr,
2255 &dev_attr_usb_sleep_music.attr,
2256 &dev_attr_kbd_function_keys.attr,
2257 &dev_attr_panel_power_on.attr,
2258 &dev_attr_usb_three.attr,
2259 NULL,
2260};
2261
360f0f39
AA		 2262static umode_t toshiba_sysfs_is_visible(struct kobject *kobj,
2263 struct attribute *attr, int idx)
2264{
2265 struct device *dev = container_of(kobj, struct device, kobj);
2266 struct toshiba_acpi_dev *drv = dev_get_drvdata(dev);
2267 bool exists = true;
2268
94477d4c
AA		 2269 if (attr == &dev_attr_fan.attr)
2270 exists = (drv->fan_supported) ? true : false;
2271 else if (attr == &dev_attr_kbd_backlight_mode.attr)
360f0f39
AA		 2272 exists = (drv->kbd_illum_supported) ? true : false;
2273 else if (attr == &dev_attr_kbd_backlight_timeout.attr)
2274 exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false;
9d8658ac
AA		 2275 else if (attr == &dev_attr_touchpad.attr)
2276 exists = (drv->touchpad_supported) ? true : false;
5a2813e9
AA		 2277 else if (attr == &dev_attr_position.attr)
2278 exists = (drv->accelerometer_supported) ? true : false;
e26ffe51
AA		 2279 else if (attr == &dev_attr_usb_sleep_charge.attr)
2280 exists = (drv->usb_sleep_charge_supported) ? true : false;
182bcaa5
AA		 2281 else if (attr == &dev_attr_sleep_functions_on_battery.attr)
2282 exists = (drv->usb_sleep_charge_supported) ? true : false;
bb3fe01f
AA		 2283 else if (attr == &dev_attr_usb_rapid_charge.attr)
2284 exists = (drv->usb_rapid_charge_supported) ? true : false;
172ce0a9
AA		 2285 else if (attr == &dev_attr_usb_sleep_music.attr)
2286 exists = (drv->usb_sleep_music_supported) ? true : false;
bae84195
AA		 2287 else if (attr == &dev_attr_kbd_function_keys.attr)
2288 exists = (drv->kbd_function_keys_supported) ? true : false;
35d53cea
AA		 2289 else if (attr == &dev_attr_panel_power_on.attr)
2290 exists = (drv->panel_power_on_supported) ? true : false;
17fe4b3d
AA		 2291 else if (attr == &dev_attr_usb_three.attr)
2292 exists = (drv->usb_three_supported) ? true : false;
360f0f39
AA		 2293
2294 return exists ? attr->mode : 0;
2295}
2296
9bd1213b
AA		 2297static struct attribute_group toshiba_attr_group = {
2298 .is_visible = toshiba_sysfs_is_visible,
2299 .attrs = toshiba_attributes,
2300};
2301
1f28f290
AA		 2302/*
2303 * Hotkeys
2304 */
2305static int toshiba_acpi_enable_hotkeys(struct toshiba_acpi_dev *dev)
2306{
2307 acpi_status status;
2308 u32 result;
2309
2310 status = acpi_evaluate_object(dev->acpi_dev->handle,
2311 "ENAB", NULL, NULL);
2312 if (ACPI_FAILURE(status))
2313 return -ENODEV;
2314
2315 result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE);
2316 if (result == TOS_FAILURE)
2317 return -EIO;
2318 else if (result == TOS_NOT_SUPPORTED)
2319 return -ENODEV;
2320
2321 return 0;
2322}
2323
29cd293f
SF		 2324static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str,
2325 struct serio *port)
2326{
98280374 2327 if (str & I8042_STR_AUXDATA)
29cd293f
SF		 2328 return false;
2329
2330 if (unlikely(data == 0xe0))
2331 return false;
2332
2333 if ((data & 0x7f) == TOS1900_FN_SCAN) {
2334 schedule_work(&toshiba_acpi->hotkey_work);
2335 return true;
2336 }
2337
2338 return false;
2339}
2340
2341static void toshiba_acpi_hotkey_work(struct work_struct *work)
2342{
2343 acpi_handle ec_handle = ec_get_handle();
2344 acpi_status status;
2345
2346 if (!ec_handle)
2347 return;
2348
2349 status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL);
2350 if (ACPI_FAILURE(status))
2351 pr_err("ACPI NTFY method execution failed\n");
2352}
2353
2354/*
2355 * Returns hotkey scancode, or < 0 on failure.
2356 */
2357static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev)
2358{
74facaf7 2359 unsigned long long value;
29cd293f
SF		 2360 acpi_status status;
2361
74facaf7
ZR		 2362 status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO",
2363 NULL, &value);
2364 if (ACPI_FAILURE(status)) {
29cd293f
SF		 2365 pr_err("ACPI INFO method execution failed\n");
2366 return -EIO;
2367 }
2368
74facaf7 2369 return value;
29cd293f
SF		 2370}
2371
2372static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev,
2373 int scancode)
2374{
2375 if (scancode == 0x100)
2376 return;
2377
2378 /* act on key press; ignore key release */
2379 if (scancode & 0x80)
2380 return;
2381
2382 if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true))
2383 pr_info("Unknown key %x\n", scancode);
2384}
2385
71454d78
AA		 2386static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev)
2387{
2388 u32 hci_result, value;
2389 int retries = 3;
2390 int scancode;
2391
2392 if (dev->info_supported) {
2393 scancode = toshiba_acpi_query_hotkey(dev);
2394 if (scancode < 0)
2395 pr_err("Failed to query hotkey event\n");
2396 else if (scancode != 0)
2397 toshiba_acpi_report_hotkey(dev, scancode);
2398 } else if (dev->system_event_supported) {
2399 do {
2400 hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value);
2401 switch (hci_result) {
2402 case TOS_SUCCESS:
2403 toshiba_acpi_report_hotkey(dev, (int)value);
2404 break;
2405 case TOS_NOT_SUPPORTED:
2406 /*
2407 * This is a workaround for an unresolved
2408 * issue on some machines where system events
2409 * sporadically become disabled.
2410 */
2411 hci_result =
2412 hci_write1(dev, HCI_SYSTEM_EVENT, 1);
2413 pr_notice("Re-enabled hotkeys\n");
2414 /* fall through */
2415 default:
2416 retries--;
2417 break;
2418 }
2419 } while (retries && hci_result != TOS_FIFO_EMPTY);
2420 }
2421}
2422
b859f159 2423static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
6335e4d5 2424{
e2e19606 2425 acpi_handle ec_handle;
384a7cd9 2426 int error;
29cd293f 2427 u32 hci_result;
fe808bfb 2428 const struct key_entry *keymap = toshiba_acpi_keymap;
6335e4d5 2429
135740de 2430 dev->hotkey_dev = input_allocate_device();
b222cca6 2431 if (!dev->hotkey_dev)
6335e4d5 2432 return -ENOMEM;
6335e4d5 2433
135740de 2434 dev->hotkey_dev->name = "Toshiba input device";
6e02cc7e 2435 dev->hotkey_dev->phys = "toshiba_acpi/input0";
135740de 2436 dev->hotkey_dev->id.bustype = BUS_HOST;
6335e4d5 2437
fe808bfb
TI		 2438 if (dmi_check_system(toshiba_alt_keymap_dmi))
2439 keymap = toshiba_acpi_alt_keymap;
2440 error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL);
384a7cd9
DT		 2441 if (error)
2442 goto err_free_dev;
2443
29cd293f
SF		 2444 /*
2445 * For some machines the SCI responsible for providing hotkey
2446 * notification doesn't fire. We can trigger the notification
2447 * whenever the Fn key is pressed using the NTFY method, if
2448 * supported, so if it's present set up an i8042 key filter
2449 * for this purpose.
2450 */
29cd293f 2451 ec_handle = ec_get_handle();
e2e19606 2452 if (ec_handle && acpi_has_method(ec_handle, "NTFY")) {
29cd293f
SF		 2453 INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work);
2454
2455 error = i8042_install_filter(toshiba_acpi_i8042_filter);
2456 if (error) {
2457 pr_err("Error installing key filter\n");
2458 goto err_free_keymap;
2459 }
2460
2461 dev->ntfy_supported = 1;
2462 }
2463
2464 /*
2465 * Determine hotkey query interface. Prefer using the INFO
2466 * method when it is available.
2467 */
e2e19606 2468 if (acpi_has_method(dev->acpi_dev->handle, "INFO"))
29cd293f 2469 dev->info_supported = 1;
e2e19606 2470 else {
893f3f62 2471 hci_result = hci_write1(dev, HCI_SYSTEM_EVENT, 1);
1864bbc2 2472 if (hci_result == TOS_SUCCESS)
29cd293f
SF		 2473 dev->system_event_supported = 1;
2474 }
2475
2476 if (!dev->info_supported && !dev->system_event_supported) {
2477 pr_warn("No hotkey query interface found\n");
2478 goto err_remove_filter;
2479 }
2480
1f28f290
AA		 2481 error = toshiba_acpi_enable_hotkeys(dev);
2482 if (error) {
7e33460d 2483 pr_info("Unable to enable hotkeys\n");
29cd293f 2484 goto err_remove_filter;
6335e4d5
MG		 2485 }
2486
135740de 2487 error = input_register_device(dev->hotkey_dev);
384a7cd9 2488 if (error) {
7e33460d 2489 pr_info("Unable to register input device\n");
29cd293f 2490 goto err_remove_filter;
6335e4d5
MG		 2491 }
2492
2493 return 0;
384a7cd9 2494
29cd293f
SF		 2495 err_remove_filter:
2496 if (dev->ntfy_supported)
2497 i8042_remove_filter(toshiba_acpi_i8042_filter);
384a7cd9 2498 err_free_keymap:
135740de 2499 sparse_keymap_free(dev->hotkey_dev);
384a7cd9 2500 err_free_dev:
135740de
SF		 2501 input_free_device(dev->hotkey_dev);
2502 dev->hotkey_dev = NULL;
384a7cd9 2503 return error;
6335e4d5
MG		 2504}
2505
b859f159 2506static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
62cce752
SF		 2507{
2508 struct backlight_properties props;
2509 int brightness;
2510 int ret;
121b7b0d 2511 bool enabled;
62cce752
SF		 2512
2513 /*
2514 * Some machines don't support the backlight methods at all, and
2515 * others support it read-only. Either of these is pretty useless,
2516 * so only register the backlight device if the backlight method
2517 * supports both reads and writes.
2518 */
2519 brightness = __get_lcd_brightness(dev);
2520 if (brightness < 0)
2521 return 0;
2522 ret = set_lcd_brightness(dev, brightness);
2523 if (ret) {
2524 pr_debug("Backlight method is read-only, disabling backlight support\n");
2525 return 0;
2526 }
2527
121b7b0d
AI		 2528 /* Determine whether or not BIOS supports transflective backlight */
2529 ret = get_tr_backlight_status(dev, &enabled);
2530 dev->tr_backlight_supported = !ret;
2531
53039f22 2532 memset(&props, 0, sizeof(props));
62cce752
SF		 2533 props.type = BACKLIGHT_PLATFORM;
2534 props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
62cce752 2535
121b7b0d
AI		 2536 /* adding an extra level and having 0 change to transflective mode */
2537 if (dev->tr_backlight_supported)
2538 props.max_brightness++;
2539
62cce752
SF		 2540 dev->backlight_dev = backlight_device_register("toshiba",
2541 &dev->acpi_dev->dev,
2542 dev,
2543 &toshiba_backlight_data,
2544 &props);
2545 if (IS_ERR(dev->backlight_dev)) {
2546 ret = PTR_ERR(dev->backlight_dev);
2547 pr_err("Could not register toshiba backlight device\n");
2548 dev->backlight_dev = NULL;
2549 return ret;
2550 }
2551
2552 dev->backlight_dev->props.brightness = brightness;
2553 return 0;
2554}
2555
51fac838 2556static int toshiba_acpi_remove(struct acpi_device *acpi_dev)
c9263557 2557{
135740de 2558 struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
6335e4d5 2559
36d03f93 2560 remove_toshiba_proc_entries(dev);
ea6b31f4 2561
360f0f39
AA		 2562 if (dev->sysfs_created)
2563 sysfs_remove_group(&dev->acpi_dev->dev.kobj,
2564 &toshiba_attr_group);
c41a40c5 2565
29cd293f
SF		 2566 if (dev->ntfy_supported) {
2567 i8042_remove_filter(toshiba_acpi_i8042_filter);
2568 cancel_work_sync(&dev->hotkey_work);
2569 }
2570
135740de
SF		 2571 if (dev->hotkey_dev) {
2572 input_unregister_device(dev->hotkey_dev);
2573 sparse_keymap_free(dev->hotkey_dev);
2574 }
c9263557 2575
135740de
SF		 2576 if (dev->bt_rfk) {
2577 rfkill_unregister(dev->bt_rfk);
2578 rfkill_destroy(dev->bt_rfk);
2579 }
c9263557 2580
00981810 2581 backlight_device_unregister(dev->backlight_dev);
c9263557 2582
36d03f93 2583 if (dev->illumination_supported)
135740de 2584 led_classdev_unregister(&dev->led_dev);
ea6b31f4 2585
360f0f39
AA		 2586 if (dev->kbd_led_registered)
2587 led_classdev_unregister(&dev->kbd_led);
ea6b31f4 2588
def6c4e2
AA		 2589 if (dev->eco_supported)
2590 led_classdev_unregister(&dev->eco_led);
6c3f6e6c 2591
29cd293f
SF		 2592 if (toshiba_acpi)
2593 toshiba_acpi = NULL;
2594
135740de 2595 kfree(dev);
c41a40c5 2596
135740de 2597 return 0;
c9263557
HM		 2598}
2599
b859f159 2600static const char *find_hci_method(acpi_handle handle)
a540d6b5 2601{
e2e19606 2602 if (acpi_has_method(handle, "GHCI"))
a540d6b5
SF		 2603 return "GHCI";
2604
e2e19606 2605 if (acpi_has_method(handle, "SPFC"))
a540d6b5
SF		 2606 return "SPFC";
2607
2608 return NULL;
2609}
2610
b859f159 2611static int toshiba_acpi_add(struct acpi_device *acpi_dev)
1da177e4 2612{
135740de 2613 struct toshiba_acpi_dev *dev;
a540d6b5 2614 const char *hci_method;
36d03f93 2615 u32 dummy;
c41a40c5 2616 bool bt_present;
c41a40c5 2617 int ret = 0;
1da177e4 2618
29cd293f
SF		 2619 if (toshiba_acpi)
2620 return -EBUSY;
2621
135740de
SF		 2622 pr_info("Toshiba Laptop ACPI Extras version %s\n",
2623 TOSHIBA_ACPI_VERSION);
2624
a540d6b5
SF		 2625 hci_method = find_hci_method(acpi_dev->handle);
2626 if (!hci_method) {
2627 pr_err("HCI interface not found\n");
6e02cc7e 2628 return -ENODEV;
a540d6b5 2629 }
6e02cc7e 2630
135740de
SF		 2631 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
2632 if (!dev)
2633 return -ENOMEM;
2634 dev->acpi_dev = acpi_dev;
a540d6b5 2635 dev->method_hci = hci_method;
135740de 2636 acpi_dev->driver_data = dev;
360f0f39 2637 dev_set_drvdata(&acpi_dev->dev, dev);
fb9802fa 2638
6e02cc7e
SF		 2639 if (toshiba_acpi_setup_keyboard(dev))
2640 pr_info("Unable to activate hotkeys\n");
135740de
SF		 2641
2642 mutex_init(&dev->mutex);
1da177e4 2643
62cce752
SF		 2644 ret = toshiba_acpi_setup_backlight(dev);
2645 if (ret)
135740de 2646 goto error;
1da177e4 2647
c41a40c5 2648 /* Register rfkill switch for Bluetooth */
1864bbc2 2649 if (hci_get_bt_present(dev, &bt_present) == TOS_SUCCESS && bt_present) {
135740de
SF		 2650 dev->bt_rfk = rfkill_alloc("Toshiba Bluetooth",
2651 &acpi_dev->dev,
2652 RFKILL_TYPE_BLUETOOTH,
2653 &toshiba_rfk_ops,
2654 dev);
2655 if (!dev->bt_rfk) {
7e33460d 2656 pr_err("unable to allocate rfkill device\n");
135740de
SF		 2657 ret = -ENOMEM;
2658 goto error;
c41a40c5 2659 }
2660
135740de 2661 ret = rfkill_register(dev->bt_rfk);
c41a40c5 2662 if (ret) {
7e33460d 2663 pr_err("unable to register rfkill device\n");
135740de
SF		 2664 rfkill_destroy(dev->bt_rfk);
2665 goto error;
38aefbc5 2666 }
c41a40c5 2667 }
2668
135740de
SF		 2669 if (toshiba_illumination_available(dev)) {
2670 dev->led_dev.name = "toshiba::illumination";
2671 dev->led_dev.max_brightness = 1;
2672 dev->led_dev.brightness_set = toshiba_illumination_set;
2673 dev->led_dev.brightness_get = toshiba_illumination_get;
2674 if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev))
36d03f93 2675 dev->illumination_supported = 1;
6c3f6e6c 2676 }
ea6b31f4 2677
def6c4e2
AA		 2678 if (toshiba_eco_mode_available(dev)) {
2679 dev->eco_led.name = "toshiba::eco_mode";
2680 dev->eco_led.max_brightness = 1;
2681 dev->eco_led.brightness_set = toshiba_eco_mode_set_status;
2682 dev->eco_led.brightness_get = toshiba_eco_mode_get_status;
2683 if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led))
2684 dev->eco_supported = 1;
2685 }
ea6b31f4 2686
93f8c16d 2687 dev->kbd_illum_supported = toshiba_kbd_illum_available(dev);
360f0f39
AA		 2688 /*
2689 * Only register the LED if KBD illumination is supported
2690 * and the keyboard backlight operation mode is set to FN-Z
2691 */
2692 if (dev->kbd_illum_supported && dev->kbd_mode == SCI_KBD_MODE_FNZ) {
2693 dev->kbd_led.name = "toshiba::kbd_backlight";
2694 dev->kbd_led.max_brightness = 1;
2695 dev->kbd_led.brightness_set = toshiba_kbd_backlight_set;
2696 dev->kbd_led.brightness_get = toshiba_kbd_backlight_get;
2697 if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led))
2698 dev->kbd_led_registered = 1;
2699 }
ea6b31f4 2700
9d8658ac
AA		 2701 ret = toshiba_touchpad_get(dev, &dummy);
2702 dev->touchpad_supported = !ret;
ea6b31f4 2703
5a2813e9
AA		 2704 ret = toshiba_accelerometer_supported(dev);
2705 dev->accelerometer_supported = !ret;
6c3f6e6c 2706
e26ffe51
AA		 2707 ret = toshiba_usb_sleep_charge_get(dev, &dummy);
2708 dev->usb_sleep_charge_supported = !ret;
2709
bb3fe01f
AA		 2710 ret = toshiba_usb_rapid_charge_get(dev, &dummy);
2711 dev->usb_rapid_charge_supported = !ret;
2712
172ce0a9
AA		 2713 ret = toshiba_usb_sleep_music_get(dev, &dummy);
2714 dev->usb_sleep_music_supported = !ret;
2715
bae84195
AA		 2716 ret = toshiba_function_keys_get(dev, &dummy);
2717 dev->kbd_function_keys_supported = !ret;
2718
35d53cea
AA		 2719 ret = toshiba_panel_power_on_get(dev, &dummy);
2720 dev->panel_power_on_supported = !ret;
2721
17fe4b3d
AA		 2722 ret = toshiba_usb_three_get(dev, &dummy);
2723 dev->usb_three_supported = !ret;
2724
36d03f93
SF		 2725 /* Determine whether or not BIOS supports fan and video interfaces */
2726
2727 ret = get_video_status(dev, &dummy);
2728 dev->video_supported = !ret;
2729
2730 ret = get_fan_status(dev, &dummy);
2731 dev->fan_supported = !ret;
2732
360f0f39
AA		 2733 ret = sysfs_create_group(&dev->acpi_dev->dev.kobj,
2734 &toshiba_attr_group);
2735 if (ret) {
2736 dev->sysfs_created = 0;
2737 goto error;
2738 }
2739 dev->sysfs_created = !ret;
2740
36d03f93
SF		 2741 create_toshiba_proc_entries(dev);
2742
29cd293f
SF		 2743 toshiba_acpi = dev;
2744
c41a40c5 2745 return 0;
135740de
SF		 2746
2747error:
51fac838 2748 toshiba_acpi_remove(acpi_dev);
135740de
SF		 2749 return ret;
2750}
2751
2752static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
2753{
2754 struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
80546905 2755 int ret;
135740de 2756
71454d78
AA		 2757 switch (event) {
2758 case 0x80: /* Hotkeys and some system events */
2759 toshiba_acpi_process_hotkeys(dev);
2760 break;
80546905
AA		 2761 case 0x92: /* Keyboard backlight mode changed */
2762 /* Update sysfs entries */
2763 ret = sysfs_update_group(&acpi_dev->dev.kobj,
2764 &toshiba_attr_group);
2765 if (ret)
2766 pr_err("Unable to update sysfs entries\n");
2767 break;
71454d78
AA		 2768 case 0x81: /* Unknown */
2769 case 0x82: /* Unknown */
2770 case 0x83: /* Unknown */
2771 case 0x8c: /* Unknown */
2772 case 0x8e: /* Unknown */
2773 case 0x8f: /* Unknown */
2774 case 0x90: /* Unknown */
2775 default:
2776 pr_info("Unknown event received %x\n", event);
2777 break;
29cd293f 2778 }
135740de
SF		 2779}
2780
3567a4e2 2781#ifdef CONFIG_PM_SLEEP
43d2fd3b 2782static int toshiba_acpi_suspend(struct device *device)
29cd293f 2783{
43d2fd3b 2784 struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
29cd293f
SF		 2785 u32 result;
2786
2787 if (dev->hotkey_dev)
893f3f62 2788 result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE);
29cd293f
SF		 2789
2790 return 0;
2791}
2792
43d2fd3b 2793static int toshiba_acpi_resume(struct device *device)
29cd293f 2794{
43d2fd3b 2795 struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
1f28f290 2796 int error;
e7fdb762
BT		 2797
2798 if (dev->hotkey_dev) {
1f28f290
AA		 2799 error = toshiba_acpi_enable_hotkeys(dev);
2800 if (error)
e7fdb762 2801 pr_info("Unable to re-enable hotkeys\n");
e7fdb762 2802 }
29cd293f
SF		 2803
2804 return 0;
2805}
3567a4e2 2806#endif
135740de 2807
43d2fd3b
RW		 2808static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm,
2809 toshiba_acpi_suspend, toshiba_acpi_resume);
2810
135740de
SF		 2811static struct acpi_driver toshiba_acpi_driver = {
2812 .name = "Toshiba ACPI driver",
2813 .owner = THIS_MODULE,
2814 .ids = toshiba_device_ids,
2815 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
2816 .ops = {
2817 .add = toshiba_acpi_add,
2818 .remove = toshiba_acpi_remove,
2819 .notify = toshiba_acpi_notify,
2820 },
43d2fd3b 2821 .drv.pm = &toshiba_acpi_pm,
135740de
SF		 2822};
2823
2824static int __init toshiba_acpi_init(void)
2825{
2826 int ret;
2827
f11f999e
SF		 2828 /*
2829 * Machines with this WMI guid aren't supported due to bugs in
2830 * their AML. This check relies on wmi initializing before
2831 * toshiba_acpi to guarantee guids have been identified.
2832 */
2833 if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
2834 return -ENODEV;
2835
135740de
SF		 2836 toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
2837 if (!toshiba_proc_dir) {
2838 pr_err("Unable to create proc dir " PROC_TOSHIBA "\n");
2839 return -ENODEV;
2840 }
2841
2842 ret = acpi_bus_register_driver(&toshiba_acpi_driver);
2843 if (ret) {
2844 pr_err("Failed to register ACPI driver: %d\n", ret);
2845 remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
2846 }
2847
2848 return ret;
2849}
2850
2851static void __exit toshiba_acpi_exit(void)
2852{
2853 acpi_bus_unregister_driver(&toshiba_acpi_driver);
2854 if (toshiba_proc_dir)
2855 remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
1da177e4
LT		 2856}
2857
2858module_init(toshiba_acpi_init);
2859module_exit(toshiba_acpi_exit);
Linux kernel - Deliverables
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