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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 |
548c4306 | 8 | * Copyright (C) 2014 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 | ||
548c4306 | 41 | #define TOSHIBA_ACPI_VERSION "0.20" |
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> |
1da177e4 LT |
60 | #include <asm/uaccess.h> |
61 | ||
1da177e4 LT |
62 | MODULE_AUTHOR("John Belmonte"); |
63 | MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver"); | |
64 | MODULE_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 | |
1da177e4 LT |
111 | |
112 | /* registers */ | |
113 | #define HCI_FAN 0x0004 | |
121b7b0d | 114 | #define HCI_TR_BACKLIGHT 0x0005 |
1da177e4 LT |
115 | #define HCI_SYSTEM_EVENT 0x0016 |
116 | #define HCI_VIDEO_OUT 0x001c | |
117 | #define HCI_HOTKEY_EVENT 0x001e | |
118 | #define HCI_LCD_BRIGHTNESS 0x002a | |
c41a40c5 | 119 | #define HCI_WIRELESS 0x0056 |
5a2813e9 | 120 | #define HCI_ACCELEROMETER 0x006d |
360f0f39 | 121 | #define HCI_KBD_ILLUMINATION 0x0095 |
def6c4e2 | 122 | #define HCI_ECO_MODE 0x0097 |
5a2813e9 | 123 | #define HCI_ACCELEROMETER2 0x00a6 |
fdb79081 | 124 | #define SCI_ILLUMINATION 0x014e |
360f0f39 | 125 | #define SCI_KBD_ILLUM_STATUS 0x015c |
9d8658ac | 126 | #define SCI_TOUCHPAD 0x050e |
1da177e4 LT |
127 | |
128 | /* field definitions */ | |
5a2813e9 | 129 | #define HCI_ACCEL_MASK 0x7fff |
29cd293f SF |
130 | #define HCI_HOTKEY_DISABLE 0x0b |
131 | #define HCI_HOTKEY_ENABLE 0x09 | |
1da177e4 LT |
132 | #define HCI_LCD_BRIGHTNESS_BITS 3 |
133 | #define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS) | |
134 | #define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS) | |
360f0f39 | 135 | #define HCI_MISC_SHIFT 0x10 |
1da177e4 LT |
136 | #define HCI_VIDEO_OUT_LCD 0x1 |
137 | #define HCI_VIDEO_OUT_CRT 0x2 | |
138 | #define HCI_VIDEO_OUT_TV 0x4 | |
c41a40c5 | 139 | #define HCI_WIRELESS_KILL_SWITCH 0x01 |
140 | #define HCI_WIRELESS_BT_PRESENT 0x0f | |
141 | #define HCI_WIRELESS_BT_ATTACH 0x40 | |
142 | #define HCI_WIRELESS_BT_POWER 0x80 | |
93f8c16d | 143 | #define SCI_KBD_MODE_MASK 0x1f |
360f0f39 AA |
144 | #define SCI_KBD_MODE_FNZ 0x1 |
145 | #define SCI_KBD_MODE_AUTO 0x2 | |
93f8c16d AA |
146 | #define SCI_KBD_MODE_ON 0x8 |
147 | #define SCI_KBD_MODE_OFF 0x10 | |
148 | #define SCI_KBD_TIME_MAX 0x3c001a | |
1da177e4 | 149 | |
135740de SF |
150 | struct toshiba_acpi_dev { |
151 | struct acpi_device *acpi_dev; | |
152 | const char *method_hci; | |
153 | struct rfkill *bt_rfk; | |
154 | struct input_dev *hotkey_dev; | |
29cd293f | 155 | struct work_struct hotkey_work; |
135740de SF |
156 | struct backlight_device *backlight_dev; |
157 | struct led_classdev led_dev; | |
360f0f39 | 158 | struct led_classdev kbd_led; |
def6c4e2 | 159 | struct led_classdev eco_led; |
36d03f93 | 160 | |
135740de SF |
161 | int force_fan; |
162 | int last_key_event; | |
163 | int key_event_valid; | |
93f8c16d | 164 | int kbd_type; |
360f0f39 AA |
165 | int kbd_mode; |
166 | int kbd_time; | |
135740de | 167 | |
592b746c DC |
168 | unsigned int illumination_supported:1; |
169 | unsigned int video_supported:1; | |
170 | unsigned int fan_supported:1; | |
171 | unsigned int system_event_supported:1; | |
29cd293f SF |
172 | unsigned int ntfy_supported:1; |
173 | unsigned int info_supported:1; | |
121b7b0d | 174 | unsigned int tr_backlight_supported:1; |
360f0f39 AA |
175 | unsigned int kbd_illum_supported:1; |
176 | unsigned int kbd_led_registered:1; | |
9d8658ac | 177 | unsigned int touchpad_supported:1; |
def6c4e2 | 178 | unsigned int eco_supported:1; |
5a2813e9 | 179 | unsigned int accelerometer_supported:1; |
360f0f39 | 180 | unsigned int sysfs_created:1; |
36d03f93 | 181 | |
135740de SF |
182 | struct mutex mutex; |
183 | }; | |
184 | ||
29cd293f SF |
185 | static struct toshiba_acpi_dev *toshiba_acpi; |
186 | ||
4db42c51 | 187 | static const struct acpi_device_id toshiba_device_ids[] = { |
188 | {"TOS6200", 0}, | |
63a9e016 | 189 | {"TOS6207", 0}, |
c41a40c5 | 190 | {"TOS6208", 0}, |
4db42c51 | 191 | {"TOS1900", 0}, |
192 | {"", 0}, | |
193 | }; | |
194 | MODULE_DEVICE_TABLE(acpi, toshiba_device_ids); | |
195 | ||
b859f159 | 196 | static const struct key_entry toshiba_acpi_keymap[] = { |
fec278a1 | 197 | { KE_KEY, 0x9e, { KEY_RFKILL } }, |
384a7cd9 DT |
198 | { KE_KEY, 0x101, { KEY_MUTE } }, |
199 | { KE_KEY, 0x102, { KEY_ZOOMOUT } }, | |
200 | { KE_KEY, 0x103, { KEY_ZOOMIN } }, | |
408a5d13 | 201 | { KE_KEY, 0x10f, { KEY_TAB } }, |
af502837 AA |
202 | { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, |
203 | { KE_KEY, 0x139, { KEY_ZOOMRESET } }, | |
384a7cd9 DT |
204 | { KE_KEY, 0x13b, { KEY_COFFEE } }, |
205 | { KE_KEY, 0x13c, { KEY_BATTERY } }, | |
206 | { KE_KEY, 0x13d, { KEY_SLEEP } }, | |
207 | { KE_KEY, 0x13e, { KEY_SUSPEND } }, | |
208 | { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } }, | |
209 | { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } }, | |
210 | { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } }, | |
211 | { KE_KEY, 0x142, { KEY_WLAN } }, | |
af502837 | 212 | { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } }, |
a49010f5 | 213 | { KE_KEY, 0x17f, { KEY_FN } }, |
384a7cd9 DT |
214 | { KE_KEY, 0xb05, { KEY_PROG2 } }, |
215 | { KE_KEY, 0xb06, { KEY_WWW } }, | |
216 | { KE_KEY, 0xb07, { KEY_MAIL } }, | |
217 | { KE_KEY, 0xb30, { KEY_STOP } }, | |
218 | { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } }, | |
219 | { KE_KEY, 0xb32, { KEY_NEXTSONG } }, | |
220 | { KE_KEY, 0xb33, { KEY_PLAYPAUSE } }, | |
221 | { KE_KEY, 0xb5a, { KEY_MEDIA } }, | |
408a5d13 AA |
222 | { KE_IGNORE, 0x1430, { KEY_RESERVED } }, /* Wake from sleep */ |
223 | { KE_IGNORE, 0x1501, { KEY_RESERVED } }, /* Output changed */ | |
224 | { KE_IGNORE, 0x1502, { KEY_RESERVED } }, /* HDMI plugged/unplugged */ | |
225 | { KE_IGNORE, 0x1ABE, { KEY_RESERVED } }, /* Protection level set */ | |
226 | { KE_IGNORE, 0x1ABF, { KEY_RESERVED } }, /* Protection level off */ | |
384a7cd9 | 227 | { KE_END, 0 }, |
6335e4d5 MG |
228 | }; |
229 | ||
fe808bfb TI |
230 | /* alternative keymap */ |
231 | static const struct dmi_system_id toshiba_alt_keymap_dmi[] = { | |
232 | { | |
233 | .matches = { | |
234 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
235 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite M840"), | |
236 | }, | |
237 | }, | |
e6efad7f AA |
238 | { |
239 | .matches = { | |
240 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
241 | DMI_MATCH(DMI_PRODUCT_NAME, "Qosmio X75-A"), | |
242 | }, | |
243 | }, | |
b1bde689 AL |
244 | { |
245 | .matches = { | |
246 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
247 | DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A50-A"), | |
248 | }, | |
249 | }, | |
fe808bfb TI |
250 | {} |
251 | }; | |
252 | ||
253 | static const struct key_entry toshiba_acpi_alt_keymap[] = { | |
254 | { KE_KEY, 0x157, { KEY_MUTE } }, | |
255 | { KE_KEY, 0x102, { KEY_ZOOMOUT } }, | |
256 | { KE_KEY, 0x103, { KEY_ZOOMIN } }, | |
e6efad7f | 257 | { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } }, |
fe808bfb TI |
258 | { KE_KEY, 0x139, { KEY_ZOOMRESET } }, |
259 | { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } }, | |
260 | { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } }, | |
261 | { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } }, | |
262 | { KE_KEY, 0x158, { KEY_WLAN } }, | |
263 | { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } }, | |
264 | { KE_END, 0 }, | |
265 | }; | |
266 | ||
1da177e4 LT |
267 | /* utility |
268 | */ | |
269 | ||
4be44fcd | 270 | static __inline__ void _set_bit(u32 * word, u32 mask, int value) |
1da177e4 LT |
271 | { |
272 | *word = (*word & ~mask) | (mask * value); | |
273 | } | |
274 | ||
275 | /* acpi interface wrappers | |
276 | */ | |
277 | ||
4be44fcd | 278 | static int write_acpi_int(const char *methodName, int val) |
1da177e4 | 279 | { |
1da177e4 LT |
280 | acpi_status status; |
281 | ||
619400da | 282 | status = acpi_execute_simple_method(NULL, (char *)methodName, val); |
32bcd5cb | 283 | return (status == AE_OK) ? 0 : -EIO; |
1da177e4 LT |
284 | } |
285 | ||
258c5903 AA |
286 | /* Perform a raw configuration call. Here we don't care about input or output |
287 | * buffer format. | |
1da177e4 | 288 | */ |
258c5903 AA |
289 | static acpi_status tci_raw(struct toshiba_acpi_dev *dev, |
290 | const u32 in[TCI_WORDS], u32 out[TCI_WORDS]) | |
1da177e4 LT |
291 | { |
292 | struct acpi_object_list params; | |
258c5903 | 293 | union acpi_object in_objs[TCI_WORDS]; |
1da177e4 | 294 | struct acpi_buffer results; |
258c5903 | 295 | union acpi_object out_objs[TCI_WORDS + 1]; |
1da177e4 LT |
296 | acpi_status status; |
297 | int i; | |
298 | ||
258c5903 | 299 | params.count = TCI_WORDS; |
1da177e4 | 300 | params.pointer = in_objs; |
258c5903 | 301 | for (i = 0; i < TCI_WORDS; ++i) { |
1da177e4 LT |
302 | in_objs[i].type = ACPI_TYPE_INTEGER; |
303 | in_objs[i].integer.value = in[i]; | |
304 | } | |
305 | ||
306 | results.length = sizeof(out_objs); | |
307 | results.pointer = out_objs; | |
308 | ||
6e02cc7e SF |
309 | status = acpi_evaluate_object(dev->acpi_dev->handle, |
310 | (char *)dev->method_hci, ¶ms, | |
4be44fcd | 311 | &results); |
258c5903 | 312 | if ((status == AE_OK) && (out_objs->package.count <= TCI_WORDS)) { |
1da177e4 LT |
313 | for (i = 0; i < out_objs->package.count; ++i) { |
314 | out[i] = out_objs->package.elements[i].integer.value; | |
315 | } | |
316 | } | |
317 | ||
318 | return status; | |
319 | } | |
320 | ||
c41a40c5 | 321 | /* common hci tasks (get or set one or two value) |
1da177e4 LT |
322 | * |
323 | * In addition to the ACPI status, the HCI system returns a result which | |
324 | * may be useful (such as "not supported"). | |
325 | */ | |
326 | ||
893f3f62 | 327 | static u32 hci_write1(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) |
1da177e4 | 328 | { |
258c5903 AA |
329 | u32 in[TCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 }; |
330 | u32 out[TCI_WORDS]; | |
331 | acpi_status status = tci_raw(dev, in, out); | |
893f3f62 AA |
332 | |
333 | return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; | |
1da177e4 LT |
334 | } |
335 | ||
893f3f62 | 336 | static u32 hci_read1(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1) |
1da177e4 | 337 | { |
258c5903 AA |
338 | u32 in[TCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 }; |
339 | u32 out[TCI_WORDS]; | |
340 | acpi_status status = tci_raw(dev, in, out); | |
893f3f62 AA |
341 | if (ACPI_FAILURE(status)) |
342 | return TOS_FAILURE; | |
343 | ||
1da177e4 | 344 | *out1 = out[2]; |
893f3f62 AA |
345 | |
346 | return out[0]; | |
1da177e4 LT |
347 | } |
348 | ||
893f3f62 | 349 | static u32 hci_write2(struct toshiba_acpi_dev *dev, u32 reg, u32 in1, u32 in2) |
c41a40c5 | 350 | { |
258c5903 AA |
351 | u32 in[TCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 }; |
352 | u32 out[TCI_WORDS]; | |
353 | acpi_status status = tci_raw(dev, in, out); | |
893f3f62 AA |
354 | |
355 | return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; | |
c41a40c5 | 356 | } |
357 | ||
893f3f62 | 358 | static u32 hci_read2(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1, u32 *out2) |
c41a40c5 | 359 | { |
258c5903 AA |
360 | u32 in[TCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 }; |
361 | u32 out[TCI_WORDS]; | |
362 | acpi_status status = tci_raw(dev, in, out); | |
893f3f62 AA |
363 | if (ACPI_FAILURE(status)) |
364 | return TOS_FAILURE; | |
365 | ||
c41a40c5 | 366 | *out1 = out[2]; |
367 | *out2 = out[3]; | |
893f3f62 AA |
368 | |
369 | return out[0]; | |
c41a40c5 | 370 | } |
371 | ||
84a6273f AA |
372 | /* common sci tasks |
373 | */ | |
374 | ||
375 | static int sci_open(struct toshiba_acpi_dev *dev) | |
376 | { | |
258c5903 AA |
377 | u32 in[TCI_WORDS] = { SCI_OPEN, 0, 0, 0, 0, 0 }; |
378 | u32 out[TCI_WORDS]; | |
84a6273f AA |
379 | acpi_status status; |
380 | ||
258c5903 | 381 | status = tci_raw(dev, in, out); |
1864bbc2 | 382 | if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) { |
84a6273f AA |
383 | pr_err("ACPI call to open SCI failed\n"); |
384 | return 0; | |
385 | } | |
386 | ||
1864bbc2 | 387 | if (out[0] == TOS_OPEN_CLOSE_OK) { |
84a6273f | 388 | return 1; |
1864bbc2 | 389 | } else if (out[0] == TOS_ALREADY_OPEN) { |
84a6273f AA |
390 | pr_info("Toshiba SCI already opened\n"); |
391 | return 1; | |
1864bbc2 | 392 | } else if (out[0] == TOS_NOT_PRESENT) { |
84a6273f AA |
393 | pr_info("Toshiba SCI is not present\n"); |
394 | } | |
395 | ||
396 | return 0; | |
397 | } | |
398 | ||
399 | static void sci_close(struct toshiba_acpi_dev *dev) | |
400 | { | |
258c5903 AA |
401 | u32 in[TCI_WORDS] = { SCI_CLOSE, 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 close SCI failed\n"); |
408 | return; | |
409 | } | |
410 | ||
1864bbc2 | 411 | if (out[0] == TOS_OPEN_CLOSE_OK) |
84a6273f | 412 | return; |
1864bbc2 | 413 | else if (out[0] == TOS_NOT_OPENED) |
84a6273f | 414 | pr_info("Toshiba SCI not opened\n"); |
1864bbc2 | 415 | else if (out[0] == TOS_NOT_PRESENT) |
84a6273f AA |
416 | pr_info("Toshiba SCI is not present\n"); |
417 | } | |
418 | ||
893f3f62 | 419 | static u32 sci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1) |
84a6273f | 420 | { |
258c5903 AA |
421 | u32 in[TCI_WORDS] = { SCI_GET, reg, 0, 0, 0, 0 }; |
422 | u32 out[TCI_WORDS]; | |
423 | acpi_status status = tci_raw(dev, in, out); | |
893f3f62 AA |
424 | if (ACPI_FAILURE(status)) |
425 | return TOS_FAILURE; | |
426 | ||
84a6273f | 427 | *out1 = out[2]; |
893f3f62 AA |
428 | |
429 | return out[0]; | |
84a6273f AA |
430 | } |
431 | ||
893f3f62 | 432 | static u32 sci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) |
84a6273f | 433 | { |
258c5903 AA |
434 | u32 in[TCI_WORDS] = { SCI_SET, reg, in1, 0, 0, 0 }; |
435 | u32 out[TCI_WORDS]; | |
436 | acpi_status status = tci_raw(dev, in, out); | |
893f3f62 AA |
437 | |
438 | return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE; | |
84a6273f AA |
439 | } |
440 | ||
6c3f6e6c | 441 | /* Illumination support */ |
135740de | 442 | static int toshiba_illumination_available(struct toshiba_acpi_dev *dev) |
6c3f6e6c | 443 | { |
258c5903 AA |
444 | u32 in[TCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 }; |
445 | u32 out[TCI_WORDS]; | |
6c3f6e6c PD |
446 | acpi_status status; |
447 | ||
fdb79081 AA |
448 | if (!sci_open(dev)) |
449 | return 0; | |
450 | ||
258c5903 | 451 | status = tci_raw(dev, in, out); |
fdb79081 | 452 | sci_close(dev); |
1864bbc2 | 453 | if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) { |
fdb79081 AA |
454 | pr_err("ACPI call to query Illumination support failed\n"); |
455 | return 0; | |
1864bbc2 | 456 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
7e33460d | 457 | pr_info("Illumination device not available\n"); |
6c3f6e6c PD |
458 | return 0; |
459 | } | |
fdb79081 | 460 | |
6c3f6e6c PD |
461 | return 1; |
462 | } | |
463 | ||
464 | static void toshiba_illumination_set(struct led_classdev *cdev, | |
465 | enum led_brightness brightness) | |
466 | { | |
135740de SF |
467 | struct toshiba_acpi_dev *dev = container_of(cdev, |
468 | struct toshiba_acpi_dev, led_dev); | |
fdb79081 | 469 | u32 state, result; |
6c3f6e6c PD |
470 | |
471 | /* First request : initialize communication. */ | |
fdb79081 | 472 | if (!sci_open(dev)) |
6c3f6e6c | 473 | return; |
6c3f6e6c | 474 | |
fdb79081 AA |
475 | /* Switch the illumination on/off */ |
476 | state = brightness ? 1 : 0; | |
893f3f62 | 477 | result = sci_write(dev, SCI_ILLUMINATION, state); |
fdb79081 | 478 | sci_close(dev); |
893f3f62 | 479 | if (result == TOS_FAILURE) { |
fdb79081 AA |
480 | pr_err("ACPI call for illumination failed\n"); |
481 | return; | |
1864bbc2 | 482 | } else if (result == TOS_NOT_SUPPORTED) { |
fdb79081 AA |
483 | pr_info("Illumination not supported\n"); |
484 | return; | |
6c3f6e6c | 485 | } |
6c3f6e6c PD |
486 | } |
487 | ||
488 | static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) | |
489 | { | |
135740de SF |
490 | struct toshiba_acpi_dev *dev = container_of(cdev, |
491 | struct toshiba_acpi_dev, led_dev); | |
fdb79081 | 492 | u32 state, result; |
6c3f6e6c PD |
493 | |
494 | /* First request : initialize communication. */ | |
fdb79081 | 495 | if (!sci_open(dev)) |
6c3f6e6c | 496 | return LED_OFF; |
6c3f6e6c PD |
497 | |
498 | /* Check the illumination */ | |
893f3f62 | 499 | result = sci_read(dev, SCI_ILLUMINATION, &state); |
fdb79081 | 500 | sci_close(dev); |
893f3f62 | 501 | if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
fdb79081 AA |
502 | pr_err("ACPI call for illumination failed\n"); |
503 | return LED_OFF; | |
1864bbc2 | 504 | } else if (result == TOS_NOT_SUPPORTED) { |
fdb79081 | 505 | pr_info("Illumination not supported\n"); |
6c3f6e6c PD |
506 | return LED_OFF; |
507 | } | |
508 | ||
fdb79081 | 509 | return state ? LED_FULL : LED_OFF; |
6c3f6e6c | 510 | } |
ea6b31f4 | 511 | |
360f0f39 | 512 | /* KBD Illumination */ |
93f8c16d AA |
513 | static int toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev) |
514 | { | |
258c5903 AA |
515 | u32 in[TCI_WORDS] = { SCI_GET, SCI_KBD_ILLUM_STATUS, 0, 0, 0, 0 }; |
516 | u32 out[TCI_WORDS]; | |
93f8c16d AA |
517 | acpi_status status; |
518 | ||
519 | if (!sci_open(dev)) | |
520 | return 0; | |
521 | ||
258c5903 | 522 | status = tci_raw(dev, in, out); |
93f8c16d | 523 | sci_close(dev); |
1864bbc2 | 524 | if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
93f8c16d AA |
525 | pr_err("ACPI call to query kbd illumination support failed\n"); |
526 | return 0; | |
1864bbc2 | 527 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
93f8c16d AA |
528 | pr_info("Keyboard illumination not available\n"); |
529 | return 0; | |
530 | } | |
531 | ||
532 | /* Check for keyboard backlight timeout max value, | |
533 | * previous kbd backlight implementation set this to | |
534 | * 0x3c0003, and now the new implementation set this | |
535 | * to 0x3c001a, use this to distinguish between them | |
536 | */ | |
537 | if (out[3] == SCI_KBD_TIME_MAX) | |
538 | dev->kbd_type = 2; | |
539 | else | |
540 | dev->kbd_type = 1; | |
541 | /* Get the current keyboard backlight mode */ | |
542 | dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK; | |
543 | /* Get the current time (1-60 seconds) */ | |
544 | dev->kbd_time = out[2] >> HCI_MISC_SHIFT; | |
545 | ||
546 | return 1; | |
547 | } | |
548 | ||
360f0f39 AA |
549 | static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time) |
550 | { | |
551 | u32 result; | |
360f0f39 AA |
552 | |
553 | if (!sci_open(dev)) | |
554 | return -EIO; | |
555 | ||
893f3f62 | 556 | result = sci_write(dev, SCI_KBD_ILLUM_STATUS, time); |
360f0f39 | 557 | sci_close(dev); |
893f3f62 | 558 | if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
360f0f39 AA |
559 | pr_err("ACPI call to set KBD backlight status failed\n"); |
560 | return -EIO; | |
1864bbc2 | 561 | } else if (result == TOS_NOT_SUPPORTED) { |
360f0f39 AA |
562 | pr_info("Keyboard backlight status not supported\n"); |
563 | return -ENODEV; | |
564 | } | |
565 | ||
566 | return 0; | |
567 | } | |
568 | ||
569 | static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time) | |
570 | { | |
571 | u32 result; | |
360f0f39 AA |
572 | |
573 | if (!sci_open(dev)) | |
574 | return -EIO; | |
575 | ||
893f3f62 | 576 | result = sci_read(dev, SCI_KBD_ILLUM_STATUS, time); |
360f0f39 | 577 | sci_close(dev); |
893f3f62 | 578 | if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { |
360f0f39 AA |
579 | pr_err("ACPI call to get KBD backlight status failed\n"); |
580 | return -EIO; | |
1864bbc2 | 581 | } else if (result == TOS_NOT_SUPPORTED) { |
360f0f39 AA |
582 | pr_info("Keyboard backlight status not supported\n"); |
583 | return -ENODEV; | |
584 | } | |
585 | ||
586 | return 0; | |
587 | } | |
588 | ||
589 | static enum led_brightness toshiba_kbd_backlight_get(struct led_classdev *cdev) | |
590 | { | |
591 | struct toshiba_acpi_dev *dev = container_of(cdev, | |
592 | struct toshiba_acpi_dev, kbd_led); | |
593 | u32 state, result; | |
360f0f39 AA |
594 | |
595 | /* Check the keyboard backlight state */ | |
893f3f62 AA |
596 | result = hci_read1(dev, HCI_KBD_ILLUMINATION, &state); |
597 | if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { | |
360f0f39 AA |
598 | pr_err("ACPI call to get the keyboard backlight failed\n"); |
599 | return LED_OFF; | |
1864bbc2 | 600 | } else if (result == TOS_NOT_SUPPORTED) { |
360f0f39 AA |
601 | pr_info("Keyboard backlight not supported\n"); |
602 | return LED_OFF; | |
603 | } | |
604 | ||
605 | return state ? LED_FULL : LED_OFF; | |
606 | } | |
607 | ||
608 | static void toshiba_kbd_backlight_set(struct led_classdev *cdev, | |
609 | enum led_brightness brightness) | |
610 | { | |
611 | struct toshiba_acpi_dev *dev = container_of(cdev, | |
612 | struct toshiba_acpi_dev, kbd_led); | |
613 | u32 state, result; | |
360f0f39 AA |
614 | |
615 | /* Set the keyboard backlight state */ | |
616 | state = brightness ? 1 : 0; | |
893f3f62 AA |
617 | result = hci_write1(dev, HCI_KBD_ILLUMINATION, state); |
618 | if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { | |
360f0f39 AA |
619 | pr_err("ACPI call to set KBD Illumination mode failed\n"); |
620 | return; | |
1864bbc2 | 621 | } else if (result == TOS_NOT_SUPPORTED) { |
360f0f39 AA |
622 | pr_info("Keyboard backlight not supported\n"); |
623 | return; | |
624 | } | |
625 | } | |
ea6b31f4 | 626 | |
9d8658ac AA |
627 | /* TouchPad support */ |
628 | static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state) | |
629 | { | |
630 | u32 result; | |
9d8658ac AA |
631 | |
632 | if (!sci_open(dev)) | |
633 | return -EIO; | |
634 | ||
893f3f62 | 635 | result = sci_write(dev, SCI_TOUCHPAD, state); |
9d8658ac | 636 | sci_close(dev); |
893f3f62 | 637 | if (result == TOS_FAILURE) { |
9d8658ac AA |
638 | pr_err("ACPI call to set the touchpad failed\n"); |
639 | return -EIO; | |
1864bbc2 | 640 | } else if (result == TOS_NOT_SUPPORTED) { |
9d8658ac AA |
641 | return -ENODEV; |
642 | } | |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
647 | static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state) | |
648 | { | |
649 | u32 result; | |
9d8658ac AA |
650 | |
651 | if (!sci_open(dev)) | |
652 | return -EIO; | |
653 | ||
893f3f62 | 654 | result = sci_read(dev, SCI_TOUCHPAD, state); |
9d8658ac | 655 | sci_close(dev); |
893f3f62 | 656 | if (result == TOS_FAILURE) { |
9d8658ac AA |
657 | pr_err("ACPI call to query the touchpad failed\n"); |
658 | return -EIO; | |
1864bbc2 | 659 | } else if (result == TOS_NOT_SUPPORTED) { |
9d8658ac AA |
660 | return -ENODEV; |
661 | } | |
662 | ||
663 | return 0; | |
664 | } | |
6c3f6e6c | 665 | |
def6c4e2 AA |
666 | /* Eco Mode support */ |
667 | static int toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) | |
668 | { | |
669 | acpi_status status; | |
258c5903 AA |
670 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
671 | u32 out[TCI_WORDS]; | |
def6c4e2 | 672 | |
258c5903 | 673 | status = tci_raw(dev, in, out); |
1864bbc2 | 674 | if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
def6c4e2 AA |
675 | pr_info("ACPI call to get ECO led failed\n"); |
676 | return 0; | |
677 | } | |
678 | ||
679 | return 1; | |
680 | } | |
681 | ||
682 | static enum led_brightness toshiba_eco_mode_get_status(struct led_classdev *cdev) | |
683 | { | |
684 | struct toshiba_acpi_dev *dev = container_of(cdev, | |
685 | struct toshiba_acpi_dev, eco_led); | |
258c5903 AA |
686 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
687 | u32 out[TCI_WORDS]; | |
def6c4e2 AA |
688 | acpi_status status; |
689 | ||
258c5903 | 690 | status = tci_raw(dev, in, out); |
1864bbc2 | 691 | if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
def6c4e2 AA |
692 | pr_err("ACPI call to get ECO led failed\n"); |
693 | return LED_OFF; | |
694 | } | |
695 | ||
696 | return out[2] ? LED_FULL : LED_OFF; | |
697 | } | |
698 | ||
699 | static void toshiba_eco_mode_set_status(struct led_classdev *cdev, | |
700 | enum led_brightness brightness) | |
701 | { | |
702 | struct toshiba_acpi_dev *dev = container_of(cdev, | |
703 | struct toshiba_acpi_dev, eco_led); | |
258c5903 AA |
704 | u32 in[TCI_WORDS] = { HCI_SET, HCI_ECO_MODE, 0, 1, 0, 0 }; |
705 | u32 out[TCI_WORDS]; | |
def6c4e2 AA |
706 | acpi_status status; |
707 | ||
708 | /* Switch the Eco Mode led on/off */ | |
709 | in[2] = (brightness) ? 1 : 0; | |
258c5903 | 710 | status = tci_raw(dev, in, out); |
1864bbc2 | 711 | if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
def6c4e2 AA |
712 | pr_err("ACPI call to set ECO led failed\n"); |
713 | return; | |
714 | } | |
715 | } | |
ea6b31f4 | 716 | |
5a2813e9 AA |
717 | /* Accelerometer support */ |
718 | static int toshiba_accelerometer_supported(struct toshiba_acpi_dev *dev) | |
719 | { | |
258c5903 AA |
720 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 }; |
721 | u32 out[TCI_WORDS]; | |
5a2813e9 AA |
722 | acpi_status status; |
723 | ||
724 | /* Check if the accelerometer call exists, | |
725 | * this call also serves as initialization | |
726 | */ | |
258c5903 | 727 | status = tci_raw(dev, in, out); |
1864bbc2 | 728 | if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
5a2813e9 AA |
729 | pr_err("ACPI call to query the accelerometer failed\n"); |
730 | return -EIO; | |
1864bbc2 AA |
731 | } else if (out[0] == TOS_DATA_NOT_AVAILABLE || |
732 | out[0] == TOS_NOT_INITIALIZED) { | |
5a2813e9 AA |
733 | pr_err("Accelerometer not initialized\n"); |
734 | return -EIO; | |
1864bbc2 | 735 | } else if (out[0] == TOS_NOT_SUPPORTED) { |
5a2813e9 AA |
736 | pr_info("Accelerometer not supported\n"); |
737 | return -ENODEV; | |
738 | } | |
739 | ||
740 | return 0; | |
741 | } | |
742 | ||
743 | static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev, | |
744 | u32 *xy, u32 *z) | |
745 | { | |
258c5903 AA |
746 | u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 }; |
747 | u32 out[TCI_WORDS]; | |
5a2813e9 AA |
748 | acpi_status status; |
749 | ||
750 | /* Check the Accelerometer status */ | |
258c5903 | 751 | status = tci_raw(dev, in, out); |
1864bbc2 | 752 | if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { |
5a2813e9 AA |
753 | pr_err("ACPI call to query the accelerometer failed\n"); |
754 | return -EIO; | |
755 | } | |
756 | ||
757 | *xy = out[2]; | |
758 | *z = out[4]; | |
759 | ||
760 | return 0; | |
761 | } | |
def6c4e2 | 762 | |
c41a40c5 | 763 | /* Bluetooth rfkill handlers */ |
764 | ||
135740de | 765 | static u32 hci_get_bt_present(struct toshiba_acpi_dev *dev, bool *present) |
c41a40c5 | 766 | { |
767 | u32 hci_result; | |
768 | u32 value, value2; | |
769 | ||
770 | value = 0; | |
771 | value2 = 0; | |
893f3f62 | 772 | hci_result = hci_read2(dev, HCI_WIRELESS, &value, &value2); |
1864bbc2 | 773 | if (hci_result == TOS_SUCCESS) |
c41a40c5 | 774 | *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false; |
775 | ||
776 | return hci_result; | |
777 | } | |
778 | ||
135740de | 779 | static u32 hci_get_radio_state(struct toshiba_acpi_dev *dev, bool *radio_state) |
c41a40c5 | 780 | { |
781 | u32 hci_result; | |
782 | u32 value, value2; | |
783 | ||
784 | value = 0; | |
785 | value2 = 0x0001; | |
893f3f62 | 786 | hci_result = hci_read2(dev, HCI_WIRELESS, &value, &value2); |
c41a40c5 | 787 | |
788 | *radio_state = value & HCI_WIRELESS_KILL_SWITCH; | |
789 | return hci_result; | |
790 | } | |
791 | ||
19d337df | 792 | static int bt_rfkill_set_block(void *data, bool blocked) |
c41a40c5 | 793 | { |
19d337df | 794 | struct toshiba_acpi_dev *dev = data; |
c41a40c5 | 795 | u32 result1, result2; |
796 | u32 value; | |
19d337df | 797 | int err; |
c41a40c5 | 798 | bool radio_state; |
c41a40c5 | 799 | |
19d337df | 800 | value = (blocked == false); |
c41a40c5 | 801 | |
19d337df | 802 | mutex_lock(&dev->mutex); |
1864bbc2 | 803 | if (hci_get_radio_state(dev, &radio_state) != TOS_SUCCESS) { |
32bcd5cb | 804 | err = -EIO; |
19d337df JB |
805 | goto out; |
806 | } | |
c41a40c5 | 807 | |
19d337df JB |
808 | if (!radio_state) { |
809 | err = 0; | |
810 | goto out; | |
c41a40c5 | 811 | } |
812 | ||
893f3f62 AA |
813 | result1 = hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER); |
814 | result2 = hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH); | |
c41a40c5 | 815 | |
1864bbc2 | 816 | if (result1 != TOS_SUCCESS || result2 != TOS_SUCCESS) |
32bcd5cb | 817 | err = -EIO; |
19d337df JB |
818 | else |
819 | err = 0; | |
820 | out: | |
821 | mutex_unlock(&dev->mutex); | |
822 | return err; | |
c41a40c5 | 823 | } |
824 | ||
19d337df | 825 | static void bt_rfkill_poll(struct rfkill *rfkill, void *data) |
c41a40c5 | 826 | { |
c41a40c5 | 827 | bool new_rfk_state; |
828 | bool value; | |
829 | u32 hci_result; | |
19d337df JB |
830 | struct toshiba_acpi_dev *dev = data; |
831 | ||
832 | mutex_lock(&dev->mutex); | |
c41a40c5 | 833 | |
135740de | 834 | hci_result = hci_get_radio_state(dev, &value); |
1864bbc2 | 835 | if (hci_result != TOS_SUCCESS) { |
19d337df JB |
836 | /* Can't do anything useful */ |
837 | mutex_unlock(&dev->mutex); | |
82e7784f | 838 | return; |
19d337df | 839 | } |
c41a40c5 | 840 | |
841 | new_rfk_state = value; | |
842 | ||
c41a40c5 | 843 | mutex_unlock(&dev->mutex); |
844 | ||
19d337df JB |
845 | if (rfkill_set_hw_state(rfkill, !new_rfk_state)) |
846 | bt_rfkill_set_block(data, true); | |
c41a40c5 | 847 | } |
848 | ||
19d337df JB |
849 | static const struct rfkill_ops toshiba_rfk_ops = { |
850 | .set_block = bt_rfkill_set_block, | |
851 | .poll = bt_rfkill_poll, | |
852 | }; | |
853 | ||
121b7b0d AI |
854 | static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled) |
855 | { | |
856 | u32 hci_result; | |
857 | u32 status; | |
858 | ||
893f3f62 | 859 | hci_result = hci_read1(dev, HCI_TR_BACKLIGHT, &status); |
121b7b0d | 860 | *enabled = !status; |
1864bbc2 | 861 | return hci_result == TOS_SUCCESS ? 0 : -EIO; |
121b7b0d AI |
862 | } |
863 | ||
864 | static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, bool enable) | |
865 | { | |
866 | u32 hci_result; | |
867 | u32 value = !enable; | |
868 | ||
893f3f62 | 869 | hci_result = hci_write1(dev, HCI_TR_BACKLIGHT, value); |
1864bbc2 | 870 | return hci_result == TOS_SUCCESS ? 0 : -EIO; |
121b7b0d AI |
871 | } |
872 | ||
4be44fcd | 873 | static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ; |
1da177e4 | 874 | |
62cce752 | 875 | static int __get_lcd_brightness(struct toshiba_acpi_dev *dev) |
1da177e4 LT |
876 | { |
877 | u32 hci_result; | |
878 | u32 value; | |
121b7b0d AI |
879 | int brightness = 0; |
880 | ||
881 | if (dev->tr_backlight_supported) { | |
882 | bool enabled; | |
883 | int ret = get_tr_backlight_status(dev, &enabled); | |
884 | if (ret) | |
885 | return ret; | |
886 | if (enabled) | |
887 | return 0; | |
888 | brightness++; | |
889 | } | |
1da177e4 | 890 | |
893f3f62 | 891 | hci_result = hci_read1(dev, HCI_LCD_BRIGHTNESS, &value); |
1864bbc2 | 892 | if (hci_result == TOS_SUCCESS) |
121b7b0d | 893 | return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT); |
32bcd5cb SF |
894 | |
895 | return -EIO; | |
c9263557 HM |
896 | } |
897 | ||
62cce752 SF |
898 | static int get_lcd_brightness(struct backlight_device *bd) |
899 | { | |
900 | struct toshiba_acpi_dev *dev = bl_get_data(bd); | |
901 | return __get_lcd_brightness(dev); | |
902 | } | |
903 | ||
936c8bcd | 904 | static int lcd_proc_show(struct seq_file *m, void *v) |
c9263557 | 905 | { |
135740de SF |
906 | struct toshiba_acpi_dev *dev = m->private; |
907 | int value; | |
121b7b0d | 908 | int levels; |
135740de SF |
909 | |
910 | if (!dev->backlight_dev) | |
911 | return -ENODEV; | |
c9263557 | 912 | |
121b7b0d | 913 | levels = dev->backlight_dev->props.max_brightness + 1; |
62cce752 | 914 | value = get_lcd_brightness(dev->backlight_dev); |
c9263557 | 915 | if (value >= 0) { |
936c8bcd | 916 | seq_printf(m, "brightness: %d\n", value); |
121b7b0d | 917 | seq_printf(m, "brightness_levels: %d\n", levels); |
32bcd5cb | 918 | return 0; |
1da177e4 LT |
919 | } |
920 | ||
32bcd5cb SF |
921 | pr_err("Error reading LCD brightness\n"); |
922 | return -EIO; | |
936c8bcd AD |
923 | } |
924 | ||
925 | static int lcd_proc_open(struct inode *inode, struct file *file) | |
926 | { | |
d9dda78b | 927 | return single_open(file, lcd_proc_show, PDE_DATA(inode)); |
1da177e4 LT |
928 | } |
929 | ||
62cce752 | 930 | static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) |
c9263557 | 931 | { |
a39f46df | 932 | u32 hci_result; |
c9263557 | 933 | |
121b7b0d AI |
934 | if (dev->tr_backlight_supported) { |
935 | bool enable = !value; | |
936 | int ret = set_tr_backlight_status(dev, enable); | |
937 | if (ret) | |
938 | return ret; | |
939 | if (value) | |
940 | value--; | |
941 | } | |
942 | ||
a39f46df AA |
943 | value = value << HCI_LCD_BRIGHTNESS_SHIFT; |
944 | hci_result = hci_write1(dev, HCI_LCD_BRIGHTNESS, value); | |
945 | return hci_result == TOS_SUCCESS ? 0 : -EIO; | |
c9263557 HM |
946 | } |
947 | ||
948 | static int set_lcd_status(struct backlight_device *bd) | |
949 | { | |
135740de | 950 | struct toshiba_acpi_dev *dev = bl_get_data(bd); |
62cce752 | 951 | return set_lcd_brightness(dev, bd->props.brightness); |
c9263557 HM |
952 | } |
953 | ||
936c8bcd AD |
954 | static ssize_t lcd_proc_write(struct file *file, const char __user *buf, |
955 | size_t count, loff_t *pos) | |
1da177e4 | 956 | { |
d9dda78b | 957 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
936c8bcd AD |
958 | char cmd[42]; |
959 | size_t len; | |
1da177e4 | 960 | int value; |
c8af57eb | 961 | int ret; |
121b7b0d | 962 | int levels = dev->backlight_dev->props.max_brightness + 1; |
1da177e4 | 963 | |
936c8bcd AD |
964 | len = min(count, sizeof(cmd) - 1); |
965 | if (copy_from_user(cmd, buf, len)) | |
966 | return -EFAULT; | |
967 | cmd[len] = '\0'; | |
968 | ||
969 | if (sscanf(cmd, " brightness : %i", &value) == 1 && | |
121b7b0d | 970 | value >= 0 && value < levels) { |
62cce752 | 971 | ret = set_lcd_brightness(dev, value); |
c8af57eb MO |
972 | if (ret == 0) |
973 | ret = count; | |
974 | } else { | |
c9263557 | 975 | ret = -EINVAL; |
c8af57eb | 976 | } |
c9263557 | 977 | return ret; |
1da177e4 LT |
978 | } |
979 | ||
936c8bcd AD |
980 | static const struct file_operations lcd_proc_fops = { |
981 | .owner = THIS_MODULE, | |
982 | .open = lcd_proc_open, | |
983 | .read = seq_read, | |
984 | .llseek = seq_lseek, | |
985 | .release = single_release, | |
986 | .write = lcd_proc_write, | |
987 | }; | |
988 | ||
36d03f93 SF |
989 | static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status) |
990 | { | |
991 | u32 hci_result; | |
992 | ||
893f3f62 | 993 | hci_result = hci_read1(dev, HCI_VIDEO_OUT, status); |
1864bbc2 | 994 | return hci_result == TOS_SUCCESS ? 0 : -EIO; |
36d03f93 SF |
995 | } |
996 | ||
936c8bcd | 997 | static int video_proc_show(struct seq_file *m, void *v) |
1da177e4 | 998 | { |
135740de | 999 | struct toshiba_acpi_dev *dev = m->private; |
1da177e4 | 1000 | u32 value; |
36d03f93 | 1001 | int ret; |
1da177e4 | 1002 | |
36d03f93 SF |
1003 | ret = get_video_status(dev, &value); |
1004 | if (!ret) { | |
1da177e4 LT |
1005 | int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0; |
1006 | int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0; | |
4be44fcd | 1007 | int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0; |
936c8bcd AD |
1008 | seq_printf(m, "lcd_out: %d\n", is_lcd); |
1009 | seq_printf(m, "crt_out: %d\n", is_crt); | |
1010 | seq_printf(m, "tv_out: %d\n", is_tv); | |
1da177e4 LT |
1011 | } |
1012 | ||
36d03f93 | 1013 | return ret; |
1da177e4 LT |
1014 | } |
1015 | ||
936c8bcd | 1016 | static int video_proc_open(struct inode *inode, struct file *file) |
1da177e4 | 1017 | { |
d9dda78b | 1018 | return single_open(file, video_proc_show, PDE_DATA(inode)); |
936c8bcd AD |
1019 | } |
1020 | ||
1021 | static ssize_t video_proc_write(struct file *file, const char __user *buf, | |
1022 | size_t count, loff_t *pos) | |
1023 | { | |
d9dda78b | 1024 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
936c8bcd | 1025 | char *cmd, *buffer; |
36d03f93 | 1026 | int ret; |
1da177e4 LT |
1027 | int value; |
1028 | int remain = count; | |
1029 | int lcd_out = -1; | |
1030 | int crt_out = -1; | |
1031 | int tv_out = -1; | |
b4482a4b | 1032 | u32 video_out; |
1da177e4 | 1033 | |
936c8bcd AD |
1034 | cmd = kmalloc(count + 1, GFP_KERNEL); |
1035 | if (!cmd) | |
1036 | return -ENOMEM; | |
1037 | if (copy_from_user(cmd, buf, count)) { | |
1038 | kfree(cmd); | |
1039 | return -EFAULT; | |
1040 | } | |
1041 | cmd[count] = '\0'; | |
1042 | ||
1043 | buffer = cmd; | |
1044 | ||
1da177e4 LT |
1045 | /* scan expression. Multiple expressions may be delimited with ; |
1046 | * | |
1047 | * NOTE: to keep scanning simple, invalid fields are ignored | |
1048 | */ | |
1049 | while (remain) { | |
1050 | if (sscanf(buffer, " lcd_out : %i", &value) == 1) | |
1051 | lcd_out = value & 1; | |
1052 | else if (sscanf(buffer, " crt_out : %i", &value) == 1) | |
1053 | crt_out = value & 1; | |
1054 | else if (sscanf(buffer, " tv_out : %i", &value) == 1) | |
1055 | tv_out = value & 1; | |
1056 | /* advance to one character past the next ; */ | |
1057 | do { | |
1058 | ++buffer; | |
1059 | --remain; | |
1060 | } | |
4be44fcd | 1061 | while (remain && *(buffer - 1) != ';'); |
1da177e4 LT |
1062 | } |
1063 | ||
936c8bcd AD |
1064 | kfree(cmd); |
1065 | ||
36d03f93 SF |
1066 | ret = get_video_status(dev, &video_out); |
1067 | if (!ret) { | |
9e113e00 | 1068 | unsigned int new_video_out = video_out; |
1da177e4 LT |
1069 | if (lcd_out != -1) |
1070 | _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out); | |
1071 | if (crt_out != -1) | |
1072 | _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out); | |
1073 | if (tv_out != -1) | |
1074 | _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out); | |
1075 | /* To avoid unnecessary video disruption, only write the new | |
1076 | * video setting if something changed. */ | |
1077 | if (new_video_out != video_out) | |
32bcd5cb | 1078 | ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out); |
1da177e4 LT |
1079 | } |
1080 | ||
32bcd5cb | 1081 | return ret ? ret : count; |
1da177e4 LT |
1082 | } |
1083 | ||
936c8bcd AD |
1084 | static const struct file_operations video_proc_fops = { |
1085 | .owner = THIS_MODULE, | |
1086 | .open = video_proc_open, | |
1087 | .read = seq_read, | |
1088 | .llseek = seq_lseek, | |
1089 | .release = single_release, | |
1090 | .write = video_proc_write, | |
1091 | }; | |
1092 | ||
36d03f93 SF |
1093 | static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status) |
1094 | { | |
1095 | u32 hci_result; | |
1096 | ||
893f3f62 | 1097 | hci_result = hci_read1(dev, HCI_FAN, status); |
1864bbc2 | 1098 | return hci_result == TOS_SUCCESS ? 0 : -EIO; |
36d03f93 SF |
1099 | } |
1100 | ||
936c8bcd | 1101 | static int fan_proc_show(struct seq_file *m, void *v) |
1da177e4 | 1102 | { |
135740de | 1103 | struct toshiba_acpi_dev *dev = m->private; |
36d03f93 | 1104 | int ret; |
1da177e4 LT |
1105 | u32 value; |
1106 | ||
36d03f93 SF |
1107 | ret = get_fan_status(dev, &value); |
1108 | if (!ret) { | |
936c8bcd | 1109 | seq_printf(m, "running: %d\n", (value > 0)); |
135740de | 1110 | seq_printf(m, "force_on: %d\n", dev->force_fan); |
1da177e4 LT |
1111 | } |
1112 | ||
36d03f93 | 1113 | return ret; |
936c8bcd AD |
1114 | } |
1115 | ||
1116 | static int fan_proc_open(struct inode *inode, struct file *file) | |
1117 | { | |
d9dda78b | 1118 | return single_open(file, fan_proc_show, PDE_DATA(inode)); |
1da177e4 LT |
1119 | } |
1120 | ||
936c8bcd AD |
1121 | static ssize_t fan_proc_write(struct file *file, const char __user *buf, |
1122 | size_t count, loff_t *pos) | |
1da177e4 | 1123 | { |
d9dda78b | 1124 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
936c8bcd AD |
1125 | char cmd[42]; |
1126 | size_t len; | |
1da177e4 LT |
1127 | int value; |
1128 | u32 hci_result; | |
1129 | ||
936c8bcd AD |
1130 | len = min(count, sizeof(cmd) - 1); |
1131 | if (copy_from_user(cmd, buf, len)) | |
1132 | return -EFAULT; | |
1133 | cmd[len] = '\0'; | |
1134 | ||
1135 | if (sscanf(cmd, " force_on : %i", &value) == 1 && | |
4be44fcd | 1136 | value >= 0 && value <= 1) { |
893f3f62 | 1137 | hci_result = hci_write1(dev, HCI_FAN, value); |
1864bbc2 | 1138 | if (hci_result != TOS_SUCCESS) |
32bcd5cb | 1139 | return -EIO; |
1da177e4 | 1140 | else |
135740de | 1141 | dev->force_fan = value; |
1da177e4 LT |
1142 | } else { |
1143 | return -EINVAL; | |
1144 | } | |
1145 | ||
1146 | return count; | |
1147 | } | |
1148 | ||
936c8bcd AD |
1149 | static const struct file_operations fan_proc_fops = { |
1150 | .owner = THIS_MODULE, | |
1151 | .open = fan_proc_open, | |
1152 | .read = seq_read, | |
1153 | .llseek = seq_lseek, | |
1154 | .release = single_release, | |
1155 | .write = fan_proc_write, | |
1156 | }; | |
1157 | ||
1158 | static int keys_proc_show(struct seq_file *m, void *v) | |
1da177e4 | 1159 | { |
135740de | 1160 | struct toshiba_acpi_dev *dev = m->private; |
1da177e4 LT |
1161 | u32 hci_result; |
1162 | u32 value; | |
1163 | ||
11948b93 | 1164 | if (!dev->key_event_valid && dev->system_event_supported) { |
893f3f62 | 1165 | hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value); |
1864bbc2 | 1166 | if (hci_result == TOS_SUCCESS) { |
135740de SF |
1167 | dev->key_event_valid = 1; |
1168 | dev->last_key_event = value; | |
1864bbc2 | 1169 | } else if (hci_result == TOS_FIFO_EMPTY) { |
1da177e4 | 1170 | /* better luck next time */ |
1864bbc2 | 1171 | } else if (hci_result == TOS_NOT_SUPPORTED) { |
1da177e4 LT |
1172 | /* This is a workaround for an unresolved issue on |
1173 | * some machines where system events sporadically | |
1174 | * become disabled. */ | |
893f3f62 | 1175 | hci_result = hci_write1(dev, HCI_SYSTEM_EVENT, 1); |
7e33460d | 1176 | pr_notice("Re-enabled hotkeys\n"); |
1da177e4 | 1177 | } else { |
7e33460d | 1178 | pr_err("Error reading hotkey status\n"); |
32bcd5cb | 1179 | return -EIO; |
1da177e4 LT |
1180 | } |
1181 | } | |
1182 | ||
135740de SF |
1183 | seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid); |
1184 | seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event); | |
936c8bcd AD |
1185 | return 0; |
1186 | } | |
1da177e4 | 1187 | |
936c8bcd AD |
1188 | static int keys_proc_open(struct inode *inode, struct file *file) |
1189 | { | |
d9dda78b | 1190 | return single_open(file, keys_proc_show, PDE_DATA(inode)); |
1da177e4 LT |
1191 | } |
1192 | ||
936c8bcd AD |
1193 | static ssize_t keys_proc_write(struct file *file, const char __user *buf, |
1194 | size_t count, loff_t *pos) | |
1da177e4 | 1195 | { |
d9dda78b | 1196 | struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file)); |
936c8bcd AD |
1197 | char cmd[42]; |
1198 | size_t len; | |
1da177e4 LT |
1199 | int value; |
1200 | ||
936c8bcd AD |
1201 | len = min(count, sizeof(cmd) - 1); |
1202 | if (copy_from_user(cmd, buf, len)) | |
1203 | return -EFAULT; | |
1204 | cmd[len] = '\0'; | |
1205 | ||
1206 | if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) { | |
135740de | 1207 | dev->key_event_valid = 0; |
1da177e4 LT |
1208 | } else { |
1209 | return -EINVAL; | |
1210 | } | |
1211 | ||
1212 | return count; | |
1213 | } | |
1214 | ||
936c8bcd AD |
1215 | static const struct file_operations keys_proc_fops = { |
1216 | .owner = THIS_MODULE, | |
1217 | .open = keys_proc_open, | |
1218 | .read = seq_read, | |
1219 | .llseek = seq_lseek, | |
1220 | .release = single_release, | |
1221 | .write = keys_proc_write, | |
1222 | }; | |
1223 | ||
1224 | static int version_proc_show(struct seq_file *m, void *v) | |
1da177e4 | 1225 | { |
936c8bcd AD |
1226 | seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION); |
1227 | seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION); | |
1228 | return 0; | |
1da177e4 LT |
1229 | } |
1230 | ||
936c8bcd AD |
1231 | static int version_proc_open(struct inode *inode, struct file *file) |
1232 | { | |
d9dda78b | 1233 | return single_open(file, version_proc_show, PDE_DATA(inode)); |
936c8bcd AD |
1234 | } |
1235 | ||
1236 | static const struct file_operations version_proc_fops = { | |
1237 | .owner = THIS_MODULE, | |
1238 | .open = version_proc_open, | |
1239 | .read = seq_read, | |
1240 | .llseek = seq_lseek, | |
1241 | .release = single_release, | |
1242 | }; | |
1243 | ||
1da177e4 LT |
1244 | /* proc and module init |
1245 | */ | |
1246 | ||
1247 | #define PROC_TOSHIBA "toshiba" | |
1248 | ||
b859f159 | 1249 | static void create_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
1da177e4 | 1250 | { |
36d03f93 SF |
1251 | if (dev->backlight_dev) |
1252 | proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
1253 | &lcd_proc_fops, dev); | |
1254 | if (dev->video_supported) | |
1255 | proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
1256 | &video_proc_fops, dev); | |
1257 | if (dev->fan_supported) | |
1258 | proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
1259 | &fan_proc_fops, dev); | |
1260 | if (dev->hotkey_dev) | |
1261 | proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
1262 | &keys_proc_fops, dev); | |
135740de SF |
1263 | proc_create_data("version", S_IRUGO, toshiba_proc_dir, |
1264 | &version_proc_fops, dev); | |
1da177e4 LT |
1265 | } |
1266 | ||
36d03f93 | 1267 | static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
1da177e4 | 1268 | { |
36d03f93 SF |
1269 | if (dev->backlight_dev) |
1270 | remove_proc_entry("lcd", toshiba_proc_dir); | |
1271 | if (dev->video_supported) | |
1272 | remove_proc_entry("video", toshiba_proc_dir); | |
1273 | if (dev->fan_supported) | |
1274 | remove_proc_entry("fan", toshiba_proc_dir); | |
1275 | if (dev->hotkey_dev) | |
1276 | remove_proc_entry("keys", toshiba_proc_dir); | |
936c8bcd | 1277 | remove_proc_entry("version", toshiba_proc_dir); |
1da177e4 LT |
1278 | } |
1279 | ||
acc2472e | 1280 | static const struct backlight_ops toshiba_backlight_data = { |
121b7b0d | 1281 | .options = BL_CORE_SUSPENDRESUME, |
62cce752 SF |
1282 | .get_brightness = get_lcd_brightness, |
1283 | .update_status = set_lcd_status, | |
c9263557 | 1284 | }; |
ea6b31f4 | 1285 | |
360f0f39 AA |
1286 | /* |
1287 | * Sysfs files | |
1288 | */ | |
93f8c16d AA |
1289 | static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, |
1290 | struct device_attribute *attr, | |
1291 | const char *buf, size_t count); | |
1292 | static ssize_t toshiba_kbd_bl_mode_show(struct device *dev, | |
1293 | struct device_attribute *attr, | |
1294 | char *buf); | |
1295 | static ssize_t toshiba_kbd_type_show(struct device *dev, | |
1296 | struct device_attribute *attr, | |
1297 | char *buf); | |
1298 | static ssize_t toshiba_available_kbd_modes_show(struct device *dev, | |
1299 | struct device_attribute *attr, | |
1300 | char *buf); | |
1301 | static ssize_t toshiba_kbd_bl_timeout_store(struct device *dev, | |
1302 | struct device_attribute *attr, | |
1303 | const char *buf, size_t count); | |
1304 | static ssize_t toshiba_kbd_bl_timeout_show(struct device *dev, | |
1305 | struct device_attribute *attr, | |
1306 | char *buf); | |
1307 | static ssize_t toshiba_touchpad_store(struct device *dev, | |
1308 | struct device_attribute *attr, | |
1309 | const char *buf, size_t count); | |
1310 | static ssize_t toshiba_touchpad_show(struct device *dev, | |
1311 | struct device_attribute *attr, | |
1312 | char *buf); | |
1313 | static ssize_t toshiba_position_show(struct device *dev, | |
1314 | struct device_attribute *attr, | |
1315 | char *buf); | |
1316 | ||
1317 | static DEVICE_ATTR(kbd_backlight_mode, S_IRUGO | S_IWUSR, | |
1318 | toshiba_kbd_bl_mode_show, toshiba_kbd_bl_mode_store); | |
1319 | static DEVICE_ATTR(kbd_type, S_IRUGO, toshiba_kbd_type_show, NULL); | |
1320 | static DEVICE_ATTR(available_kbd_modes, S_IRUGO, | |
1321 | toshiba_available_kbd_modes_show, NULL); | |
1322 | static DEVICE_ATTR(kbd_backlight_timeout, S_IRUGO | S_IWUSR, | |
1323 | toshiba_kbd_bl_timeout_show, toshiba_kbd_bl_timeout_store); | |
1324 | static DEVICE_ATTR(touchpad, S_IRUGO | S_IWUSR, | |
1325 | toshiba_touchpad_show, toshiba_touchpad_store); | |
1326 | static DEVICE_ATTR(position, S_IRUGO, toshiba_position_show, NULL); | |
1327 | ||
1328 | static struct attribute *toshiba_attributes[] = { | |
1329 | &dev_attr_kbd_backlight_mode.attr, | |
1330 | &dev_attr_kbd_type.attr, | |
1331 | &dev_attr_available_kbd_modes.attr, | |
1332 | &dev_attr_kbd_backlight_timeout.attr, | |
1333 | &dev_attr_touchpad.attr, | |
1334 | &dev_attr_position.attr, | |
1335 | NULL, | |
1336 | }; | |
1337 | ||
1338 | static umode_t toshiba_sysfs_is_visible(struct kobject *, | |
1339 | struct attribute *, int); | |
1340 | ||
1341 | static struct attribute_group toshiba_attr_group = { | |
1342 | .is_visible = toshiba_sysfs_is_visible, | |
1343 | .attrs = toshiba_attributes, | |
1344 | }; | |
360f0f39 AA |
1345 | |
1346 | static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, | |
1347 | struct device_attribute *attr, | |
1348 | const char *buf, size_t count) | |
1349 | { | |
1350 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
aeaac098 DC |
1351 | int mode; |
1352 | int time; | |
1353 | int ret; | |
1354 | ||
360f0f39 | 1355 | |
aeaac098 DC |
1356 | ret = kstrtoint(buf, 0, &mode); |
1357 | if (ret) | |
1358 | return ret; | |
93f8c16d AA |
1359 | |
1360 | /* Check for supported modes depending on keyboard backlight type */ | |
1361 | if (toshiba->kbd_type == 1) { | |
1362 | /* Type 1 supports SCI_KBD_MODE_FNZ and SCI_KBD_MODE_AUTO */ | |
1363 | if (mode != SCI_KBD_MODE_FNZ && mode != SCI_KBD_MODE_AUTO) | |
1364 | return -EINVAL; | |
1365 | } else if (toshiba->kbd_type == 2) { | |
1366 | /* Type 2 doesn't support SCI_KBD_MODE_FNZ */ | |
1367 | if (mode != SCI_KBD_MODE_AUTO && mode != SCI_KBD_MODE_ON && | |
1368 | mode != SCI_KBD_MODE_OFF) | |
1369 | return -EINVAL; | |
1370 | } | |
360f0f39 AA |
1371 | |
1372 | /* Set the Keyboard Backlight Mode where: | |
360f0f39 AA |
1373 | * Auto - KBD backlight turns off automatically in given time |
1374 | * FN-Z - KBD backlight "toggles" when hotkey pressed | |
93f8c16d AA |
1375 | * ON - KBD backlight is always on |
1376 | * OFF - KBD backlight is always off | |
360f0f39 | 1377 | */ |
93f8c16d AA |
1378 | |
1379 | /* Only make a change if the actual mode has changed */ | |
aeaac098 | 1380 | if (toshiba->kbd_mode != mode) { |
93f8c16d | 1381 | /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ |
360f0f39 | 1382 | time = toshiba->kbd_time << HCI_MISC_SHIFT; |
93f8c16d AA |
1383 | |
1384 | /* OR the "base time" to the actual method format */ | |
1385 | if (toshiba->kbd_type == 1) { | |
1386 | /* Type 1 requires the current mode */ | |
1387 | time |= toshiba->kbd_mode; | |
1388 | } else if (toshiba->kbd_type == 2) { | |
1389 | /* Type 2 requires the desired mode */ | |
1390 | time |= mode; | |
1391 | } | |
1392 | ||
aeaac098 DC |
1393 | ret = toshiba_kbd_illum_status_set(toshiba, time); |
1394 | if (ret) | |
1395 | return ret; | |
93f8c16d AA |
1396 | |
1397 | /* Update sysfs entries on successful mode change*/ | |
1398 | ret = sysfs_update_group(&toshiba->acpi_dev->dev.kobj, | |
1399 | &toshiba_attr_group); | |
1400 | if (ret) | |
1401 | return ret; | |
1402 | ||
360f0f39 AA |
1403 | toshiba->kbd_mode = mode; |
1404 | } | |
1405 | ||
1406 | return count; | |
1407 | } | |
1408 | ||
1409 | static ssize_t toshiba_kbd_bl_mode_show(struct device *dev, | |
1410 | struct device_attribute *attr, | |
1411 | char *buf) | |
1412 | { | |
1413 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1414 | u32 time; | |
1415 | ||
1416 | if (toshiba_kbd_illum_status_get(toshiba, &time) < 0) | |
1417 | return -EIO; | |
1418 | ||
93f8c16d AA |
1419 | return sprintf(buf, "%i\n", time & SCI_KBD_MODE_MASK); |
1420 | } | |
1421 | ||
1422 | static ssize_t toshiba_kbd_type_show(struct device *dev, | |
1423 | struct device_attribute *attr, | |
1424 | char *buf) | |
1425 | { | |
1426 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1427 | ||
1428 | return sprintf(buf, "%d\n", toshiba->kbd_type); | |
1429 | } | |
1430 | ||
1431 | static ssize_t toshiba_available_kbd_modes_show(struct device *dev, | |
1432 | struct device_attribute *attr, | |
1433 | char *buf) | |
1434 | { | |
1435 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1436 | ||
1437 | if (toshiba->kbd_type == 1) | |
1438 | return sprintf(buf, "%x %x\n", | |
1439 | SCI_KBD_MODE_FNZ, SCI_KBD_MODE_AUTO); | |
1440 | ||
1441 | return sprintf(buf, "%x %x %x\n", | |
1442 | SCI_KBD_MODE_AUTO, SCI_KBD_MODE_ON, SCI_KBD_MODE_OFF); | |
360f0f39 AA |
1443 | } |
1444 | ||
1445 | static ssize_t toshiba_kbd_bl_timeout_store(struct device *dev, | |
1446 | struct device_attribute *attr, | |
1447 | const char *buf, size_t count) | |
1448 | { | |
1449 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
eabde0fa AA |
1450 | int time; |
1451 | int ret; | |
360f0f39 | 1452 | |
eabde0fa AA |
1453 | ret = kstrtoint(buf, 0, &time); |
1454 | if (ret) | |
1455 | return ret; | |
1456 | ||
1457 | /* Check for supported values depending on kbd_type */ | |
1458 | if (toshiba->kbd_type == 1) { | |
1459 | if (time < 0 || time > 60) | |
1460 | return -EINVAL; | |
1461 | } else if (toshiba->kbd_type == 2) { | |
1462 | if (time < 1 || time > 60) | |
1463 | return -EINVAL; | |
1464 | } | |
1465 | ||
1466 | /* Set the Keyboard Backlight Timeout */ | |
360f0f39 | 1467 | |
eabde0fa AA |
1468 | /* Only make a change if the actual timeout has changed */ |
1469 | if (toshiba->kbd_time != time) { | |
1470 | /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ | |
360f0f39 | 1471 | time = time << HCI_MISC_SHIFT; |
eabde0fa AA |
1472 | /* OR the "base time" to the actual method format */ |
1473 | if (toshiba->kbd_type == 1) | |
1474 | time |= SCI_KBD_MODE_FNZ; | |
1475 | else if (toshiba->kbd_type == 2) | |
1476 | time |= SCI_KBD_MODE_AUTO; | |
1477 | ||
1478 | ret = toshiba_kbd_illum_status_set(toshiba, time); | |
1479 | if (ret) | |
1480 | return ret; | |
1481 | ||
360f0f39 AA |
1482 | toshiba->kbd_time = time >> HCI_MISC_SHIFT; |
1483 | } | |
1484 | ||
1485 | return count; | |
1486 | } | |
1487 | ||
1488 | static ssize_t toshiba_kbd_bl_timeout_show(struct device *dev, | |
1489 | struct device_attribute *attr, | |
1490 | char *buf) | |
1491 | { | |
1492 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1493 | u32 time; | |
1494 | ||
1495 | if (toshiba_kbd_illum_status_get(toshiba, &time) < 0) | |
1496 | return -EIO; | |
1497 | ||
1498 | return sprintf(buf, "%i\n", time >> HCI_MISC_SHIFT); | |
1499 | } | |
ea6b31f4 | 1500 | |
9d8658ac AA |
1501 | static ssize_t toshiba_touchpad_store(struct device *dev, |
1502 | struct device_attribute *attr, | |
1503 | const char *buf, size_t count) | |
1504 | { | |
1505 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1506 | int state; | |
c8a41669 | 1507 | int ret; |
9d8658ac AA |
1508 | |
1509 | /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */ | |
c8a41669 AA |
1510 | ret = kstrtoint(buf, 0, &state); |
1511 | if (ret) | |
1512 | return ret; | |
1513 | if (state != 0 && state != 1) | |
1514 | return -EINVAL; | |
1515 | ||
1516 | ret = toshiba_touchpad_set(toshiba, state); | |
1517 | if (ret) | |
1518 | return ret; | |
9d8658ac AA |
1519 | |
1520 | return count; | |
1521 | } | |
1522 | ||
1523 | static ssize_t toshiba_touchpad_show(struct device *dev, | |
1524 | struct device_attribute *attr, char *buf) | |
1525 | { | |
1526 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1527 | u32 state; | |
1528 | int ret; | |
1529 | ||
1530 | ret = toshiba_touchpad_get(toshiba, &state); | |
1531 | if (ret < 0) | |
1532 | return ret; | |
1533 | ||
1534 | return sprintf(buf, "%i\n", state); | |
1535 | } | |
ea6b31f4 | 1536 | |
5a2813e9 AA |
1537 | static ssize_t toshiba_position_show(struct device *dev, |
1538 | struct device_attribute *attr, char *buf) | |
1539 | { | |
1540 | struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); | |
1541 | u32 xyval, zval, tmp; | |
1542 | u16 x, y, z; | |
1543 | int ret; | |
1544 | ||
1545 | xyval = zval = 0; | |
1546 | ret = toshiba_accelerometer_get(toshiba, &xyval, &zval); | |
1547 | if (ret < 0) | |
1548 | return ret; | |
1549 | ||
1550 | x = xyval & HCI_ACCEL_MASK; | |
1551 | tmp = xyval >> HCI_MISC_SHIFT; | |
1552 | y = tmp & HCI_ACCEL_MASK; | |
1553 | z = zval & HCI_ACCEL_MASK; | |
1554 | ||
1555 | return sprintf(buf, "%d %d %d\n", x, y, z); | |
1556 | } | |
360f0f39 | 1557 | |
360f0f39 AA |
1558 | static umode_t toshiba_sysfs_is_visible(struct kobject *kobj, |
1559 | struct attribute *attr, int idx) | |
1560 | { | |
1561 | struct device *dev = container_of(kobj, struct device, kobj); | |
1562 | struct toshiba_acpi_dev *drv = dev_get_drvdata(dev); | |
1563 | bool exists = true; | |
1564 | ||
1565 | if (attr == &dev_attr_kbd_backlight_mode.attr) | |
1566 | exists = (drv->kbd_illum_supported) ? true : false; | |
1567 | else if (attr == &dev_attr_kbd_backlight_timeout.attr) | |
1568 | exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false; | |
9d8658ac AA |
1569 | else if (attr == &dev_attr_touchpad.attr) |
1570 | exists = (drv->touchpad_supported) ? true : false; | |
5a2813e9 AA |
1571 | else if (attr == &dev_attr_position.attr) |
1572 | exists = (drv->accelerometer_supported) ? true : false; | |
360f0f39 AA |
1573 | |
1574 | return exists ? attr->mode : 0; | |
1575 | } | |
1576 | ||
29cd293f SF |
1577 | static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str, |
1578 | struct serio *port) | |
1579 | { | |
98280374 | 1580 | if (str & I8042_STR_AUXDATA) |
29cd293f SF |
1581 | return false; |
1582 | ||
1583 | if (unlikely(data == 0xe0)) | |
1584 | return false; | |
1585 | ||
1586 | if ((data & 0x7f) == TOS1900_FN_SCAN) { | |
1587 | schedule_work(&toshiba_acpi->hotkey_work); | |
1588 | return true; | |
1589 | } | |
1590 | ||
1591 | return false; | |
1592 | } | |
1593 | ||
1594 | static void toshiba_acpi_hotkey_work(struct work_struct *work) | |
1595 | { | |
1596 | acpi_handle ec_handle = ec_get_handle(); | |
1597 | acpi_status status; | |
1598 | ||
1599 | if (!ec_handle) | |
1600 | return; | |
1601 | ||
1602 | status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL); | |
1603 | if (ACPI_FAILURE(status)) | |
1604 | pr_err("ACPI NTFY method execution failed\n"); | |
1605 | } | |
1606 | ||
1607 | /* | |
1608 | * Returns hotkey scancode, or < 0 on failure. | |
1609 | */ | |
1610 | static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev) | |
1611 | { | |
74facaf7 | 1612 | unsigned long long value; |
29cd293f SF |
1613 | acpi_status status; |
1614 | ||
74facaf7 ZR |
1615 | status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO", |
1616 | NULL, &value); | |
1617 | if (ACPI_FAILURE(status)) { | |
29cd293f SF |
1618 | pr_err("ACPI INFO method execution failed\n"); |
1619 | return -EIO; | |
1620 | } | |
1621 | ||
74facaf7 | 1622 | return value; |
29cd293f SF |
1623 | } |
1624 | ||
1625 | static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, | |
1626 | int scancode) | |
1627 | { | |
1628 | if (scancode == 0x100) | |
1629 | return; | |
1630 | ||
1631 | /* act on key press; ignore key release */ | |
1632 | if (scancode & 0x80) | |
1633 | return; | |
1634 | ||
1635 | if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true)) | |
1636 | pr_info("Unknown key %x\n", scancode); | |
1637 | } | |
1638 | ||
b859f159 | 1639 | static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) |
6335e4d5 MG |
1640 | { |
1641 | acpi_status status; | |
e2e19606 | 1642 | acpi_handle ec_handle; |
384a7cd9 | 1643 | int error; |
29cd293f | 1644 | u32 hci_result; |
fe808bfb | 1645 | const struct key_entry *keymap = toshiba_acpi_keymap; |
6335e4d5 | 1646 | |
135740de | 1647 | dev->hotkey_dev = input_allocate_device(); |
b222cca6 | 1648 | if (!dev->hotkey_dev) |
6335e4d5 | 1649 | return -ENOMEM; |
6335e4d5 | 1650 | |
135740de | 1651 | dev->hotkey_dev->name = "Toshiba input device"; |
6e02cc7e | 1652 | dev->hotkey_dev->phys = "toshiba_acpi/input0"; |
135740de | 1653 | dev->hotkey_dev->id.bustype = BUS_HOST; |
6335e4d5 | 1654 | |
fe808bfb TI |
1655 | if (dmi_check_system(toshiba_alt_keymap_dmi)) |
1656 | keymap = toshiba_acpi_alt_keymap; | |
1657 | error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL); | |
384a7cd9 DT |
1658 | if (error) |
1659 | goto err_free_dev; | |
1660 | ||
29cd293f SF |
1661 | /* |
1662 | * For some machines the SCI responsible for providing hotkey | |
1663 | * notification doesn't fire. We can trigger the notification | |
1664 | * whenever the Fn key is pressed using the NTFY method, if | |
1665 | * supported, so if it's present set up an i8042 key filter | |
1666 | * for this purpose. | |
1667 | */ | |
1668 | status = AE_ERROR; | |
1669 | ec_handle = ec_get_handle(); | |
e2e19606 | 1670 | if (ec_handle && acpi_has_method(ec_handle, "NTFY")) { |
29cd293f SF |
1671 | INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work); |
1672 | ||
1673 | error = i8042_install_filter(toshiba_acpi_i8042_filter); | |
1674 | if (error) { | |
1675 | pr_err("Error installing key filter\n"); | |
1676 | goto err_free_keymap; | |
1677 | } | |
1678 | ||
1679 | dev->ntfy_supported = 1; | |
1680 | } | |
1681 | ||
1682 | /* | |
1683 | * Determine hotkey query interface. Prefer using the INFO | |
1684 | * method when it is available. | |
1685 | */ | |
e2e19606 | 1686 | if (acpi_has_method(dev->acpi_dev->handle, "INFO")) |
29cd293f | 1687 | dev->info_supported = 1; |
e2e19606 | 1688 | else { |
893f3f62 | 1689 | hci_result = hci_write1(dev, HCI_SYSTEM_EVENT, 1); |
1864bbc2 | 1690 | if (hci_result == TOS_SUCCESS) |
29cd293f SF |
1691 | dev->system_event_supported = 1; |
1692 | } | |
1693 | ||
1694 | if (!dev->info_supported && !dev->system_event_supported) { | |
1695 | pr_warn("No hotkey query interface found\n"); | |
1696 | goto err_remove_filter; | |
1697 | } | |
1698 | ||
6e02cc7e | 1699 | status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", NULL, NULL); |
384a7cd9 | 1700 | if (ACPI_FAILURE(status)) { |
7e33460d | 1701 | pr_info("Unable to enable hotkeys\n"); |
384a7cd9 | 1702 | error = -ENODEV; |
29cd293f | 1703 | goto err_remove_filter; |
6335e4d5 MG |
1704 | } |
1705 | ||
135740de | 1706 | error = input_register_device(dev->hotkey_dev); |
384a7cd9 | 1707 | if (error) { |
7e33460d | 1708 | pr_info("Unable to register input device\n"); |
29cd293f | 1709 | goto err_remove_filter; |
6335e4d5 MG |
1710 | } |
1711 | ||
893f3f62 | 1712 | hci_result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); |
6335e4d5 | 1713 | return 0; |
384a7cd9 | 1714 | |
29cd293f SF |
1715 | err_remove_filter: |
1716 | if (dev->ntfy_supported) | |
1717 | i8042_remove_filter(toshiba_acpi_i8042_filter); | |
384a7cd9 | 1718 | err_free_keymap: |
135740de | 1719 | sparse_keymap_free(dev->hotkey_dev); |
384a7cd9 | 1720 | err_free_dev: |
135740de SF |
1721 | input_free_device(dev->hotkey_dev); |
1722 | dev->hotkey_dev = NULL; | |
384a7cd9 | 1723 | return error; |
6335e4d5 MG |
1724 | } |
1725 | ||
b859f159 | 1726 | static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) |
62cce752 SF |
1727 | { |
1728 | struct backlight_properties props; | |
1729 | int brightness; | |
1730 | int ret; | |
121b7b0d | 1731 | bool enabled; |
62cce752 SF |
1732 | |
1733 | /* | |
1734 | * Some machines don't support the backlight methods at all, and | |
1735 | * others support it read-only. Either of these is pretty useless, | |
1736 | * so only register the backlight device if the backlight method | |
1737 | * supports both reads and writes. | |
1738 | */ | |
1739 | brightness = __get_lcd_brightness(dev); | |
1740 | if (brightness < 0) | |
1741 | return 0; | |
1742 | ret = set_lcd_brightness(dev, brightness); | |
1743 | if (ret) { | |
1744 | pr_debug("Backlight method is read-only, disabling backlight support\n"); | |
1745 | return 0; | |
1746 | } | |
1747 | ||
121b7b0d AI |
1748 | /* Determine whether or not BIOS supports transflective backlight */ |
1749 | ret = get_tr_backlight_status(dev, &enabled); | |
1750 | dev->tr_backlight_supported = !ret; | |
1751 | ||
53039f22 | 1752 | memset(&props, 0, sizeof(props)); |
62cce752 SF |
1753 | props.type = BACKLIGHT_PLATFORM; |
1754 | props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; | |
62cce752 | 1755 | |
121b7b0d AI |
1756 | /* adding an extra level and having 0 change to transflective mode */ |
1757 | if (dev->tr_backlight_supported) | |
1758 | props.max_brightness++; | |
1759 | ||
62cce752 SF |
1760 | dev->backlight_dev = backlight_device_register("toshiba", |
1761 | &dev->acpi_dev->dev, | |
1762 | dev, | |
1763 | &toshiba_backlight_data, | |
1764 | &props); | |
1765 | if (IS_ERR(dev->backlight_dev)) { | |
1766 | ret = PTR_ERR(dev->backlight_dev); | |
1767 | pr_err("Could not register toshiba backlight device\n"); | |
1768 | dev->backlight_dev = NULL; | |
1769 | return ret; | |
1770 | } | |
1771 | ||
1772 | dev->backlight_dev->props.brightness = brightness; | |
1773 | return 0; | |
1774 | } | |
1775 | ||
51fac838 | 1776 | static int toshiba_acpi_remove(struct acpi_device *acpi_dev) |
c9263557 | 1777 | { |
135740de | 1778 | struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); |
6335e4d5 | 1779 | |
36d03f93 | 1780 | remove_toshiba_proc_entries(dev); |
ea6b31f4 | 1781 | |
360f0f39 AA |
1782 | if (dev->sysfs_created) |
1783 | sysfs_remove_group(&dev->acpi_dev->dev.kobj, | |
1784 | &toshiba_attr_group); | |
c41a40c5 | 1785 | |
29cd293f SF |
1786 | if (dev->ntfy_supported) { |
1787 | i8042_remove_filter(toshiba_acpi_i8042_filter); | |
1788 | cancel_work_sync(&dev->hotkey_work); | |
1789 | } | |
1790 | ||
135740de SF |
1791 | if (dev->hotkey_dev) { |
1792 | input_unregister_device(dev->hotkey_dev); | |
1793 | sparse_keymap_free(dev->hotkey_dev); | |
1794 | } | |
c9263557 | 1795 | |
135740de SF |
1796 | if (dev->bt_rfk) { |
1797 | rfkill_unregister(dev->bt_rfk); | |
1798 | rfkill_destroy(dev->bt_rfk); | |
1799 | } | |
c9263557 | 1800 | |
00981810 | 1801 | backlight_device_unregister(dev->backlight_dev); |
c9263557 | 1802 | |
36d03f93 | 1803 | if (dev->illumination_supported) |
135740de | 1804 | led_classdev_unregister(&dev->led_dev); |
ea6b31f4 | 1805 | |
360f0f39 AA |
1806 | if (dev->kbd_led_registered) |
1807 | led_classdev_unregister(&dev->kbd_led); | |
ea6b31f4 | 1808 | |
def6c4e2 AA |
1809 | if (dev->eco_supported) |
1810 | led_classdev_unregister(&dev->eco_led); | |
6c3f6e6c | 1811 | |
29cd293f SF |
1812 | if (toshiba_acpi) |
1813 | toshiba_acpi = NULL; | |
1814 | ||
135740de | 1815 | kfree(dev); |
c41a40c5 | 1816 | |
135740de | 1817 | return 0; |
c9263557 HM |
1818 | } |
1819 | ||
b859f159 | 1820 | static const char *find_hci_method(acpi_handle handle) |
a540d6b5 | 1821 | { |
e2e19606 | 1822 | if (acpi_has_method(handle, "GHCI")) |
a540d6b5 SF |
1823 | return "GHCI"; |
1824 | ||
e2e19606 | 1825 | if (acpi_has_method(handle, "SPFC")) |
a540d6b5 SF |
1826 | return "SPFC"; |
1827 | ||
1828 | return NULL; | |
1829 | } | |
1830 | ||
b859f159 | 1831 | static int toshiba_acpi_add(struct acpi_device *acpi_dev) |
1da177e4 | 1832 | { |
135740de | 1833 | struct toshiba_acpi_dev *dev; |
a540d6b5 | 1834 | const char *hci_method; |
36d03f93 | 1835 | u32 dummy; |
c41a40c5 | 1836 | bool bt_present; |
c41a40c5 | 1837 | int ret = 0; |
1da177e4 | 1838 | |
29cd293f SF |
1839 | if (toshiba_acpi) |
1840 | return -EBUSY; | |
1841 | ||
135740de SF |
1842 | pr_info("Toshiba Laptop ACPI Extras version %s\n", |
1843 | TOSHIBA_ACPI_VERSION); | |
1844 | ||
a540d6b5 SF |
1845 | hci_method = find_hci_method(acpi_dev->handle); |
1846 | if (!hci_method) { | |
1847 | pr_err("HCI interface not found\n"); | |
6e02cc7e | 1848 | return -ENODEV; |
a540d6b5 | 1849 | } |
6e02cc7e | 1850 | |
135740de SF |
1851 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
1852 | if (!dev) | |
1853 | return -ENOMEM; | |
1854 | dev->acpi_dev = acpi_dev; | |
a540d6b5 | 1855 | dev->method_hci = hci_method; |
135740de | 1856 | acpi_dev->driver_data = dev; |
360f0f39 | 1857 | dev_set_drvdata(&acpi_dev->dev, dev); |
fb9802fa | 1858 | |
6e02cc7e SF |
1859 | if (toshiba_acpi_setup_keyboard(dev)) |
1860 | pr_info("Unable to activate hotkeys\n"); | |
135740de SF |
1861 | |
1862 | mutex_init(&dev->mutex); | |
1da177e4 | 1863 | |
62cce752 SF |
1864 | ret = toshiba_acpi_setup_backlight(dev); |
1865 | if (ret) | |
135740de | 1866 | goto error; |
1da177e4 | 1867 | |
c41a40c5 | 1868 | /* Register rfkill switch for Bluetooth */ |
1864bbc2 | 1869 | if (hci_get_bt_present(dev, &bt_present) == TOS_SUCCESS && bt_present) { |
135740de SF |
1870 | dev->bt_rfk = rfkill_alloc("Toshiba Bluetooth", |
1871 | &acpi_dev->dev, | |
1872 | RFKILL_TYPE_BLUETOOTH, | |
1873 | &toshiba_rfk_ops, | |
1874 | dev); | |
1875 | if (!dev->bt_rfk) { | |
7e33460d | 1876 | pr_err("unable to allocate rfkill device\n"); |
135740de SF |
1877 | ret = -ENOMEM; |
1878 | goto error; | |
c41a40c5 | 1879 | } |
1880 | ||
135740de | 1881 | ret = rfkill_register(dev->bt_rfk); |
c41a40c5 | 1882 | if (ret) { |
7e33460d | 1883 | pr_err("unable to register rfkill device\n"); |
135740de SF |
1884 | rfkill_destroy(dev->bt_rfk); |
1885 | goto error; | |
38aefbc5 | 1886 | } |
c41a40c5 | 1887 | } |
1888 | ||
135740de SF |
1889 | if (toshiba_illumination_available(dev)) { |
1890 | dev->led_dev.name = "toshiba::illumination"; | |
1891 | dev->led_dev.max_brightness = 1; | |
1892 | dev->led_dev.brightness_set = toshiba_illumination_set; | |
1893 | dev->led_dev.brightness_get = toshiba_illumination_get; | |
1894 | if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev)) | |
36d03f93 | 1895 | dev->illumination_supported = 1; |
6c3f6e6c | 1896 | } |
ea6b31f4 | 1897 | |
def6c4e2 AA |
1898 | if (toshiba_eco_mode_available(dev)) { |
1899 | dev->eco_led.name = "toshiba::eco_mode"; | |
1900 | dev->eco_led.max_brightness = 1; | |
1901 | dev->eco_led.brightness_set = toshiba_eco_mode_set_status; | |
1902 | dev->eco_led.brightness_get = toshiba_eco_mode_get_status; | |
1903 | if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led)) | |
1904 | dev->eco_supported = 1; | |
1905 | } | |
ea6b31f4 | 1906 | |
93f8c16d | 1907 | dev->kbd_illum_supported = toshiba_kbd_illum_available(dev); |
360f0f39 AA |
1908 | /* |
1909 | * Only register the LED if KBD illumination is supported | |
1910 | * and the keyboard backlight operation mode is set to FN-Z | |
1911 | */ | |
1912 | if (dev->kbd_illum_supported && dev->kbd_mode == SCI_KBD_MODE_FNZ) { | |
1913 | dev->kbd_led.name = "toshiba::kbd_backlight"; | |
1914 | dev->kbd_led.max_brightness = 1; | |
1915 | dev->kbd_led.brightness_set = toshiba_kbd_backlight_set; | |
1916 | dev->kbd_led.brightness_get = toshiba_kbd_backlight_get; | |
1917 | if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led)) | |
1918 | dev->kbd_led_registered = 1; | |
1919 | } | |
ea6b31f4 | 1920 | |
9d8658ac AA |
1921 | ret = toshiba_touchpad_get(dev, &dummy); |
1922 | dev->touchpad_supported = !ret; | |
ea6b31f4 | 1923 | |
5a2813e9 AA |
1924 | ret = toshiba_accelerometer_supported(dev); |
1925 | dev->accelerometer_supported = !ret; | |
6c3f6e6c | 1926 | |
36d03f93 SF |
1927 | /* Determine whether or not BIOS supports fan and video interfaces */ |
1928 | ||
1929 | ret = get_video_status(dev, &dummy); | |
1930 | dev->video_supported = !ret; | |
1931 | ||
1932 | ret = get_fan_status(dev, &dummy); | |
1933 | dev->fan_supported = !ret; | |
1934 | ||
360f0f39 AA |
1935 | ret = sysfs_create_group(&dev->acpi_dev->dev.kobj, |
1936 | &toshiba_attr_group); | |
1937 | if (ret) { | |
1938 | dev->sysfs_created = 0; | |
1939 | goto error; | |
1940 | } | |
1941 | dev->sysfs_created = !ret; | |
1942 | ||
36d03f93 SF |
1943 | create_toshiba_proc_entries(dev); |
1944 | ||
29cd293f SF |
1945 | toshiba_acpi = dev; |
1946 | ||
c41a40c5 | 1947 | return 0; |
135740de SF |
1948 | |
1949 | error: | |
51fac838 | 1950 | toshiba_acpi_remove(acpi_dev); |
135740de SF |
1951 | return ret; |
1952 | } | |
1953 | ||
1954 | static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) | |
1955 | { | |
1956 | struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); | |
1957 | u32 hci_result, value; | |
11948b93 | 1958 | int retries = 3; |
29cd293f | 1959 | int scancode; |
135740de | 1960 | |
29cd293f | 1961 | if (event != 0x80) |
135740de | 1962 | return; |
11948b93 | 1963 | |
29cd293f SF |
1964 | if (dev->info_supported) { |
1965 | scancode = toshiba_acpi_query_hotkey(dev); | |
1966 | if (scancode < 0) | |
1967 | pr_err("Failed to query hotkey event\n"); | |
1968 | else if (scancode != 0) | |
1969 | toshiba_acpi_report_hotkey(dev, scancode); | |
1970 | } else if (dev->system_event_supported) { | |
1971 | do { | |
893f3f62 | 1972 | hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value); |
29cd293f | 1973 | switch (hci_result) { |
1864bbc2 | 1974 | case TOS_SUCCESS: |
29cd293f SF |
1975 | toshiba_acpi_report_hotkey(dev, (int)value); |
1976 | break; | |
1864bbc2 | 1977 | case TOS_NOT_SUPPORTED: |
29cd293f SF |
1978 | /* |
1979 | * This is a workaround for an unresolved | |
1980 | * issue on some machines where system events | |
1981 | * sporadically become disabled. | |
1982 | */ | |
893f3f62 AA |
1983 | hci_result = |
1984 | hci_write1(dev, HCI_SYSTEM_EVENT, 1); | |
29cd293f SF |
1985 | pr_notice("Re-enabled hotkeys\n"); |
1986 | /* fall through */ | |
1987 | default: | |
1988 | retries--; | |
1989 | break; | |
135740de | 1990 | } |
1864bbc2 | 1991 | } while (retries && hci_result != TOS_FIFO_EMPTY); |
29cd293f | 1992 | } |
135740de SF |
1993 | } |
1994 | ||
3567a4e2 | 1995 | #ifdef CONFIG_PM_SLEEP |
43d2fd3b | 1996 | static int toshiba_acpi_suspend(struct device *device) |
29cd293f | 1997 | { |
43d2fd3b | 1998 | struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); |
29cd293f SF |
1999 | u32 result; |
2000 | ||
2001 | if (dev->hotkey_dev) | |
893f3f62 | 2002 | result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE); |
29cd293f SF |
2003 | |
2004 | return 0; | |
2005 | } | |
2006 | ||
43d2fd3b | 2007 | static int toshiba_acpi_resume(struct device *device) |
29cd293f | 2008 | { |
43d2fd3b | 2009 | struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); |
29cd293f | 2010 | u32 result; |
e7fdb762 BT |
2011 | acpi_status status; |
2012 | ||
2013 | if (dev->hotkey_dev) { | |
2014 | status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", | |
2015 | NULL, NULL); | |
2016 | if (ACPI_FAILURE(status)) | |
2017 | pr_info("Unable to re-enable hotkeys\n"); | |
29cd293f | 2018 | |
893f3f62 | 2019 | result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); |
e7fdb762 | 2020 | } |
29cd293f SF |
2021 | |
2022 | return 0; | |
2023 | } | |
3567a4e2 | 2024 | #endif |
135740de | 2025 | |
43d2fd3b RW |
2026 | static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm, |
2027 | toshiba_acpi_suspend, toshiba_acpi_resume); | |
2028 | ||
135740de SF |
2029 | static struct acpi_driver toshiba_acpi_driver = { |
2030 | .name = "Toshiba ACPI driver", | |
2031 | .owner = THIS_MODULE, | |
2032 | .ids = toshiba_device_ids, | |
2033 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
2034 | .ops = { | |
2035 | .add = toshiba_acpi_add, | |
2036 | .remove = toshiba_acpi_remove, | |
2037 | .notify = toshiba_acpi_notify, | |
2038 | }, | |
43d2fd3b | 2039 | .drv.pm = &toshiba_acpi_pm, |
135740de SF |
2040 | }; |
2041 | ||
2042 | static int __init toshiba_acpi_init(void) | |
2043 | { | |
2044 | int ret; | |
2045 | ||
f11f999e SF |
2046 | /* |
2047 | * Machines with this WMI guid aren't supported due to bugs in | |
2048 | * their AML. This check relies on wmi initializing before | |
2049 | * toshiba_acpi to guarantee guids have been identified. | |
2050 | */ | |
2051 | if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) | |
2052 | return -ENODEV; | |
2053 | ||
135740de SF |
2054 | toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir); |
2055 | if (!toshiba_proc_dir) { | |
2056 | pr_err("Unable to create proc dir " PROC_TOSHIBA "\n"); | |
2057 | return -ENODEV; | |
2058 | } | |
2059 | ||
2060 | ret = acpi_bus_register_driver(&toshiba_acpi_driver); | |
2061 | if (ret) { | |
2062 | pr_err("Failed to register ACPI driver: %d\n", ret); | |
2063 | remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); | |
2064 | } | |
2065 | ||
2066 | return ret; | |
2067 | } | |
2068 | ||
2069 | static void __exit toshiba_acpi_exit(void) | |
2070 | { | |
2071 | acpi_bus_unregister_driver(&toshiba_acpi_driver); | |
2072 | if (toshiba_proc_dir) | |
2073 | remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); | |
1da177e4 LT |
2074 | } |
2075 | ||
2076 | module_init(toshiba_acpi_init); | |
2077 | module_exit(toshiba_acpi_exit); |