Commit | Line | Data |
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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 |
1da177e4 LT |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * | |
24 | * The devolpment page for this driver is located at | |
25 | * http://memebeam.org/toys/ToshibaAcpiDriver. | |
26 | * | |
27 | * Credits: | |
28 | * Jonathan A. Buzzard - Toshiba HCI info, and critical tips on reverse | |
29 | * engineering the Windows drivers | |
30 | * Yasushi Nagato - changes for linux kernel 2.4 -> 2.5 | |
31 | * Rob Miller - TV out and hotkeys help | |
32 | * | |
33 | * | |
34 | * TODO | |
35 | * | |
36 | */ | |
37 | ||
7e33460d JP |
38 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
39 | ||
c41a40c5 | 40 | #define TOSHIBA_ACPI_VERSION "0.19" |
1da177e4 LT |
41 | #define PROC_INTERFACE_VERSION 1 |
42 | ||
43 | #include <linux/kernel.h> | |
44 | #include <linux/module.h> | |
45 | #include <linux/init.h> | |
46 | #include <linux/types.h> | |
47 | #include <linux/proc_fs.h> | |
936c8bcd | 48 | #include <linux/seq_file.h> |
c9263557 | 49 | #include <linux/backlight.h> |
c41a40c5 | 50 | #include <linux/rfkill.h> |
6335e4d5 | 51 | #include <linux/input.h> |
384a7cd9 | 52 | #include <linux/input/sparse-keymap.h> |
6c3f6e6c | 53 | #include <linux/leds.h> |
5a0e3ad6 | 54 | #include <linux/slab.h> |
c9263557 | 55 | |
1da177e4 LT |
56 | #include <asm/uaccess.h> |
57 | ||
58 | #include <acpi/acpi_drivers.h> | |
59 | ||
60 | MODULE_AUTHOR("John Belmonte"); | |
61 | MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver"); | |
62 | MODULE_LICENSE("GPL"); | |
63 | ||
1da177e4 | 64 | /* Toshiba ACPI method paths */ |
1da177e4 LT |
65 | #define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX" |
66 | ||
67 | /* Toshiba HCI interface definitions | |
68 | * | |
69 | * HCI is Toshiba's "Hardware Control Interface" which is supposed to | |
70 | * be uniform across all their models. Ideally we would just call | |
71 | * dedicated ACPI methods instead of using this primitive interface. | |
72 | * However the ACPI methods seem to be incomplete in some areas (for | |
73 | * example they allow setting, but not reading, the LCD brightness value), | |
74 | * so this is still useful. | |
75 | */ | |
76 | ||
77 | #define HCI_WORDS 6 | |
78 | ||
79 | /* operations */ | |
80 | #define HCI_SET 0xff00 | |
81 | #define HCI_GET 0xfe00 | |
82 | ||
83 | /* return codes */ | |
84 | #define HCI_SUCCESS 0x0000 | |
85 | #define HCI_FAILURE 0x1000 | |
86 | #define HCI_NOT_SUPPORTED 0x8000 | |
87 | #define HCI_EMPTY 0x8c00 | |
88 | ||
89 | /* registers */ | |
90 | #define HCI_FAN 0x0004 | |
91 | #define HCI_SYSTEM_EVENT 0x0016 | |
92 | #define HCI_VIDEO_OUT 0x001c | |
93 | #define HCI_HOTKEY_EVENT 0x001e | |
94 | #define HCI_LCD_BRIGHTNESS 0x002a | |
c41a40c5 | 95 | #define HCI_WIRELESS 0x0056 |
1da177e4 LT |
96 | |
97 | /* field definitions */ | |
98 | #define HCI_LCD_BRIGHTNESS_BITS 3 | |
99 | #define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS) | |
100 | #define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS) | |
101 | #define HCI_VIDEO_OUT_LCD 0x1 | |
102 | #define HCI_VIDEO_OUT_CRT 0x2 | |
103 | #define HCI_VIDEO_OUT_TV 0x4 | |
c41a40c5 | 104 | #define HCI_WIRELESS_KILL_SWITCH 0x01 |
105 | #define HCI_WIRELESS_BT_PRESENT 0x0f | |
106 | #define HCI_WIRELESS_BT_ATTACH 0x40 | |
107 | #define HCI_WIRELESS_BT_POWER 0x80 | |
1da177e4 | 108 | |
135740de SF |
109 | struct toshiba_acpi_dev { |
110 | struct acpi_device *acpi_dev; | |
111 | const char *method_hci; | |
112 | struct rfkill *bt_rfk; | |
113 | struct input_dev *hotkey_dev; | |
114 | struct backlight_device *backlight_dev; | |
115 | struct led_classdev led_dev; | |
36d03f93 | 116 | |
135740de SF |
117 | int force_fan; |
118 | int last_key_event; | |
119 | int key_event_valid; | |
135740de | 120 | |
36d03f93 SF |
121 | int illumination_supported:1; |
122 | int video_supported:1; | |
123 | int fan_supported:1; | |
11948b93 | 124 | int system_event_supported:1; |
36d03f93 | 125 | |
135740de SF |
126 | struct mutex mutex; |
127 | }; | |
128 | ||
4db42c51 | 129 | static const struct acpi_device_id toshiba_device_ids[] = { |
130 | {"TOS6200", 0}, | |
c41a40c5 | 131 | {"TOS6208", 0}, |
4db42c51 | 132 | {"TOS1900", 0}, |
133 | {"", 0}, | |
134 | }; | |
135 | MODULE_DEVICE_TABLE(acpi, toshiba_device_ids); | |
136 | ||
135740de | 137 | static const struct key_entry toshiba_acpi_keymap[] __devinitconst = { |
384a7cd9 DT |
138 | { KE_KEY, 0x101, { KEY_MUTE } }, |
139 | { KE_KEY, 0x102, { KEY_ZOOMOUT } }, | |
140 | { KE_KEY, 0x103, { KEY_ZOOMIN } }, | |
141 | { KE_KEY, 0x13b, { KEY_COFFEE } }, | |
142 | { KE_KEY, 0x13c, { KEY_BATTERY } }, | |
143 | { KE_KEY, 0x13d, { KEY_SLEEP } }, | |
144 | { KE_KEY, 0x13e, { KEY_SUSPEND } }, | |
145 | { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } }, | |
146 | { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } }, | |
147 | { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } }, | |
148 | { KE_KEY, 0x142, { KEY_WLAN } }, | |
149 | { KE_KEY, 0x143, { KEY_PROG1 } }, | |
a49010f5 | 150 | { KE_KEY, 0x17f, { KEY_FN } }, |
384a7cd9 DT |
151 | { KE_KEY, 0xb05, { KEY_PROG2 } }, |
152 | { KE_KEY, 0xb06, { KEY_WWW } }, | |
153 | { KE_KEY, 0xb07, { KEY_MAIL } }, | |
154 | { KE_KEY, 0xb30, { KEY_STOP } }, | |
155 | { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } }, | |
156 | { KE_KEY, 0xb32, { KEY_NEXTSONG } }, | |
157 | { KE_KEY, 0xb33, { KEY_PLAYPAUSE } }, | |
158 | { KE_KEY, 0xb5a, { KEY_MEDIA } }, | |
159 | { KE_END, 0 }, | |
6335e4d5 MG |
160 | }; |
161 | ||
1da177e4 LT |
162 | /* utility |
163 | */ | |
164 | ||
4be44fcd | 165 | static __inline__ void _set_bit(u32 * word, u32 mask, int value) |
1da177e4 LT |
166 | { |
167 | *word = (*word & ~mask) | (mask * value); | |
168 | } | |
169 | ||
170 | /* acpi interface wrappers | |
171 | */ | |
172 | ||
4be44fcd | 173 | static int write_acpi_int(const char *methodName, int val) |
1da177e4 LT |
174 | { |
175 | struct acpi_object_list params; | |
176 | union acpi_object in_objs[1]; | |
177 | acpi_status status; | |
178 | ||
b2b7910d | 179 | params.count = ARRAY_SIZE(in_objs); |
1da177e4 LT |
180 | params.pointer = in_objs; |
181 | in_objs[0].type = ACPI_TYPE_INTEGER; | |
182 | in_objs[0].integer.value = val; | |
183 | ||
4be44fcd | 184 | status = acpi_evaluate_object(NULL, (char *)methodName, ¶ms, NULL); |
32bcd5cb | 185 | return (status == AE_OK) ? 0 : -EIO; |
1da177e4 LT |
186 | } |
187 | ||
1da177e4 LT |
188 | /* Perform a raw HCI call. Here we don't care about input or output buffer |
189 | * format. | |
190 | */ | |
135740de SF |
191 | static acpi_status hci_raw(struct toshiba_acpi_dev *dev, |
192 | const u32 in[HCI_WORDS], u32 out[HCI_WORDS]) | |
1da177e4 LT |
193 | { |
194 | struct acpi_object_list params; | |
195 | union acpi_object in_objs[HCI_WORDS]; | |
196 | struct acpi_buffer results; | |
4be44fcd | 197 | union acpi_object out_objs[HCI_WORDS + 1]; |
1da177e4 LT |
198 | acpi_status status; |
199 | int i; | |
200 | ||
201 | params.count = HCI_WORDS; | |
202 | params.pointer = in_objs; | |
203 | for (i = 0; i < HCI_WORDS; ++i) { | |
204 | in_objs[i].type = ACPI_TYPE_INTEGER; | |
205 | in_objs[i].integer.value = in[i]; | |
206 | } | |
207 | ||
208 | results.length = sizeof(out_objs); | |
209 | results.pointer = out_objs; | |
210 | ||
6e02cc7e SF |
211 | status = acpi_evaluate_object(dev->acpi_dev->handle, |
212 | (char *)dev->method_hci, ¶ms, | |
4be44fcd | 213 | &results); |
1da177e4 LT |
214 | if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) { |
215 | for (i = 0; i < out_objs->package.count; ++i) { | |
216 | out[i] = out_objs->package.elements[i].integer.value; | |
217 | } | |
218 | } | |
219 | ||
220 | return status; | |
221 | } | |
222 | ||
c41a40c5 | 223 | /* common hci tasks (get or set one or two value) |
1da177e4 LT |
224 | * |
225 | * In addition to the ACPI status, the HCI system returns a result which | |
226 | * may be useful (such as "not supported"). | |
227 | */ | |
228 | ||
135740de SF |
229 | static acpi_status hci_write1(struct toshiba_acpi_dev *dev, u32 reg, |
230 | u32 in1, u32 *result) | |
1da177e4 LT |
231 | { |
232 | u32 in[HCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 }; | |
233 | u32 out[HCI_WORDS]; | |
135740de | 234 | acpi_status status = hci_raw(dev, in, out); |
1da177e4 LT |
235 | *result = (status == AE_OK) ? out[0] : HCI_FAILURE; |
236 | return status; | |
237 | } | |
238 | ||
135740de SF |
239 | static acpi_status hci_read1(struct toshiba_acpi_dev *dev, u32 reg, |
240 | u32 *out1, u32 *result) | |
1da177e4 LT |
241 | { |
242 | u32 in[HCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 }; | |
243 | u32 out[HCI_WORDS]; | |
135740de | 244 | acpi_status status = hci_raw(dev, in, out); |
1da177e4 LT |
245 | *out1 = out[2]; |
246 | *result = (status == AE_OK) ? out[0] : HCI_FAILURE; | |
247 | return status; | |
248 | } | |
249 | ||
135740de SF |
250 | static acpi_status hci_write2(struct toshiba_acpi_dev *dev, u32 reg, |
251 | u32 in1, u32 in2, u32 *result) | |
c41a40c5 | 252 | { |
253 | u32 in[HCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 }; | |
254 | u32 out[HCI_WORDS]; | |
135740de | 255 | acpi_status status = hci_raw(dev, in, out); |
c41a40c5 | 256 | *result = (status == AE_OK) ? out[0] : HCI_FAILURE; |
257 | return status; | |
258 | } | |
259 | ||
135740de SF |
260 | static acpi_status hci_read2(struct toshiba_acpi_dev *dev, u32 reg, |
261 | u32 *out1, u32 *out2, u32 *result) | |
c41a40c5 | 262 | { |
263 | u32 in[HCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 }; | |
264 | u32 out[HCI_WORDS]; | |
135740de | 265 | acpi_status status = hci_raw(dev, in, out); |
c41a40c5 | 266 | *out1 = out[2]; |
267 | *out2 = out[3]; | |
268 | *result = (status == AE_OK) ? out[0] : HCI_FAILURE; | |
269 | return status; | |
270 | } | |
271 | ||
6c3f6e6c | 272 | /* Illumination support */ |
135740de | 273 | static int toshiba_illumination_available(struct toshiba_acpi_dev *dev) |
6c3f6e6c PD |
274 | { |
275 | u32 in[HCI_WORDS] = { 0, 0, 0, 0, 0, 0 }; | |
276 | u32 out[HCI_WORDS]; | |
277 | acpi_status status; | |
278 | ||
279 | in[0] = 0xf100; | |
135740de | 280 | status = hci_raw(dev, in, out); |
6c3f6e6c | 281 | if (ACPI_FAILURE(status)) { |
7e33460d | 282 | pr_info("Illumination device not available\n"); |
6c3f6e6c PD |
283 | return 0; |
284 | } | |
285 | in[0] = 0xf400; | |
135740de | 286 | status = hci_raw(dev, in, out); |
6c3f6e6c PD |
287 | return 1; |
288 | } | |
289 | ||
290 | static void toshiba_illumination_set(struct led_classdev *cdev, | |
291 | enum led_brightness brightness) | |
292 | { | |
135740de SF |
293 | struct toshiba_acpi_dev *dev = container_of(cdev, |
294 | struct toshiba_acpi_dev, led_dev); | |
6c3f6e6c PD |
295 | u32 in[HCI_WORDS] = { 0, 0, 0, 0, 0, 0 }; |
296 | u32 out[HCI_WORDS]; | |
297 | acpi_status status; | |
298 | ||
299 | /* First request : initialize communication. */ | |
300 | in[0] = 0xf100; | |
135740de | 301 | status = hci_raw(dev, in, out); |
6c3f6e6c | 302 | if (ACPI_FAILURE(status)) { |
7e33460d | 303 | pr_info("Illumination device not available\n"); |
6c3f6e6c PD |
304 | return; |
305 | } | |
306 | ||
307 | if (brightness) { | |
308 | /* Switch the illumination on */ | |
309 | in[0] = 0xf400; | |
310 | in[1] = 0x14e; | |
311 | in[2] = 1; | |
135740de | 312 | status = hci_raw(dev, in, out); |
6c3f6e6c | 313 | if (ACPI_FAILURE(status)) { |
7e33460d | 314 | pr_info("ACPI call for illumination failed\n"); |
6c3f6e6c PD |
315 | return; |
316 | } | |
317 | } else { | |
318 | /* Switch the illumination off */ | |
319 | in[0] = 0xf400; | |
320 | in[1] = 0x14e; | |
321 | in[2] = 0; | |
135740de | 322 | status = hci_raw(dev, in, out); |
6c3f6e6c | 323 | if (ACPI_FAILURE(status)) { |
7e33460d | 324 | pr_info("ACPI call for illumination failed.\n"); |
6c3f6e6c PD |
325 | return; |
326 | } | |
327 | } | |
328 | ||
329 | /* Last request : close communication. */ | |
330 | in[0] = 0xf200; | |
331 | in[1] = 0; | |
332 | in[2] = 0; | |
135740de | 333 | hci_raw(dev, in, out); |
6c3f6e6c PD |
334 | } |
335 | ||
336 | static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) | |
337 | { | |
135740de SF |
338 | struct toshiba_acpi_dev *dev = container_of(cdev, |
339 | struct toshiba_acpi_dev, led_dev); | |
6c3f6e6c PD |
340 | u32 in[HCI_WORDS] = { 0, 0, 0, 0, 0, 0 }; |
341 | u32 out[HCI_WORDS]; | |
342 | acpi_status status; | |
343 | enum led_brightness result; | |
344 | ||
345 | /*Â First request : initialize communication. */ | |
346 | in[0] = 0xf100; | |
135740de | 347 | status = hci_raw(dev, in, out); |
6c3f6e6c | 348 | if (ACPI_FAILURE(status)) { |
7e33460d | 349 | pr_info("Illumination device not available\n"); |
6c3f6e6c PD |
350 | return LED_OFF; |
351 | } | |
352 | ||
353 | /* Check the illumination */ | |
354 | in[0] = 0xf300; | |
355 | in[1] = 0x14e; | |
135740de | 356 | status = hci_raw(dev, in, out); |
6c3f6e6c | 357 | if (ACPI_FAILURE(status)) { |
7e33460d | 358 | pr_info("ACPI call for illumination failed.\n"); |
6c3f6e6c PD |
359 | return LED_OFF; |
360 | } | |
361 | ||
362 | result = out[2] ? LED_FULL : LED_OFF; | |
363 | ||
364 | /* Last request : close communication. */ | |
365 | in[0] = 0xf200; | |
366 | in[1] = 0; | |
367 | in[2] = 0; | |
135740de | 368 | hci_raw(dev, in, out); |
6c3f6e6c PD |
369 | |
370 | return result; | |
371 | } | |
372 | ||
c41a40c5 | 373 | /* Bluetooth rfkill handlers */ |
374 | ||
135740de | 375 | static u32 hci_get_bt_present(struct toshiba_acpi_dev *dev, bool *present) |
c41a40c5 | 376 | { |
377 | u32 hci_result; | |
378 | u32 value, value2; | |
379 | ||
380 | value = 0; | |
381 | value2 = 0; | |
135740de | 382 | hci_read2(dev, HCI_WIRELESS, &value, &value2, &hci_result); |
c41a40c5 | 383 | if (hci_result == HCI_SUCCESS) |
384 | *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false; | |
385 | ||
386 | return hci_result; | |
387 | } | |
388 | ||
135740de | 389 | static u32 hci_get_radio_state(struct toshiba_acpi_dev *dev, bool *radio_state) |
c41a40c5 | 390 | { |
391 | u32 hci_result; | |
392 | u32 value, value2; | |
393 | ||
394 | value = 0; | |
395 | value2 = 0x0001; | |
135740de | 396 | hci_read2(dev, HCI_WIRELESS, &value, &value2, &hci_result); |
c41a40c5 | 397 | |
398 | *radio_state = value & HCI_WIRELESS_KILL_SWITCH; | |
399 | return hci_result; | |
400 | } | |
401 | ||
19d337df | 402 | static int bt_rfkill_set_block(void *data, bool blocked) |
c41a40c5 | 403 | { |
19d337df | 404 | struct toshiba_acpi_dev *dev = data; |
c41a40c5 | 405 | u32 result1, result2; |
406 | u32 value; | |
19d337df | 407 | int err; |
c41a40c5 | 408 | bool radio_state; |
c41a40c5 | 409 | |
19d337df | 410 | value = (blocked == false); |
c41a40c5 | 411 | |
19d337df | 412 | mutex_lock(&dev->mutex); |
135740de | 413 | if (hci_get_radio_state(dev, &radio_state) != HCI_SUCCESS) { |
32bcd5cb | 414 | err = -EIO; |
19d337df JB |
415 | goto out; |
416 | } | |
c41a40c5 | 417 | |
19d337df JB |
418 | if (!radio_state) { |
419 | err = 0; | |
420 | goto out; | |
c41a40c5 | 421 | } |
422 | ||
135740de SF |
423 | hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER, &result1); |
424 | hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2); | |
c41a40c5 | 425 | |
426 | if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS) | |
32bcd5cb | 427 | err = -EIO; |
19d337df JB |
428 | else |
429 | err = 0; | |
430 | out: | |
431 | mutex_unlock(&dev->mutex); | |
432 | return err; | |
c41a40c5 | 433 | } |
434 | ||
19d337df | 435 | static void bt_rfkill_poll(struct rfkill *rfkill, void *data) |
c41a40c5 | 436 | { |
c41a40c5 | 437 | bool new_rfk_state; |
438 | bool value; | |
439 | u32 hci_result; | |
19d337df JB |
440 | struct toshiba_acpi_dev *dev = data; |
441 | ||
442 | mutex_lock(&dev->mutex); | |
c41a40c5 | 443 | |
135740de | 444 | hci_result = hci_get_radio_state(dev, &value); |
19d337df JB |
445 | if (hci_result != HCI_SUCCESS) { |
446 | /* Can't do anything useful */ | |
447 | mutex_unlock(&dev->mutex); | |
82e7784f | 448 | return; |
19d337df | 449 | } |
c41a40c5 | 450 | |
451 | new_rfk_state = value; | |
452 | ||
c41a40c5 | 453 | mutex_unlock(&dev->mutex); |
454 | ||
19d337df JB |
455 | if (rfkill_set_hw_state(rfkill, !new_rfk_state)) |
456 | bt_rfkill_set_block(data, true); | |
c41a40c5 | 457 | } |
458 | ||
19d337df JB |
459 | static const struct rfkill_ops toshiba_rfk_ops = { |
460 | .set_block = bt_rfkill_set_block, | |
461 | .poll = bt_rfkill_poll, | |
462 | }; | |
463 | ||
4be44fcd | 464 | static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ; |
1da177e4 | 465 | |
c9263557 | 466 | static int get_lcd(struct backlight_device *bd) |
1da177e4 | 467 | { |
135740de | 468 | struct toshiba_acpi_dev *dev = bl_get_data(bd); |
1da177e4 LT |
469 | u32 hci_result; |
470 | u32 value; | |
471 | ||
135740de | 472 | hci_read1(dev, HCI_LCD_BRIGHTNESS, &value, &hci_result); |
32bcd5cb | 473 | if (hci_result == HCI_SUCCESS) |
c9263557 | 474 | return (value >> HCI_LCD_BRIGHTNESS_SHIFT); |
32bcd5cb SF |
475 | |
476 | return -EIO; | |
c9263557 HM |
477 | } |
478 | ||
936c8bcd | 479 | static int lcd_proc_show(struct seq_file *m, void *v) |
c9263557 | 480 | { |
135740de SF |
481 | struct toshiba_acpi_dev *dev = m->private; |
482 | int value; | |
483 | ||
484 | if (!dev->backlight_dev) | |
485 | return -ENODEV; | |
c9263557 | 486 | |
135740de | 487 | value = get_lcd(dev->backlight_dev); |
c9263557 | 488 | if (value >= 0) { |
936c8bcd AD |
489 | seq_printf(m, "brightness: %d\n", value); |
490 | seq_printf(m, "brightness_levels: %d\n", | |
4be44fcd | 491 | HCI_LCD_BRIGHTNESS_LEVELS); |
32bcd5cb | 492 | return 0; |
1da177e4 LT |
493 | } |
494 | ||
32bcd5cb SF |
495 | pr_err("Error reading LCD brightness\n"); |
496 | return -EIO; | |
936c8bcd AD |
497 | } |
498 | ||
499 | static int lcd_proc_open(struct inode *inode, struct file *file) | |
500 | { | |
135740de | 501 | return single_open(file, lcd_proc_show, PDE(inode)->data); |
1da177e4 LT |
502 | } |
503 | ||
135740de | 504 | static int set_lcd(struct toshiba_acpi_dev *dev, int value) |
c9263557 HM |
505 | { |
506 | u32 hci_result; | |
507 | ||
508 | value = value << HCI_LCD_BRIGHTNESS_SHIFT; | |
135740de | 509 | hci_write1(dev, HCI_LCD_BRIGHTNESS, value, &hci_result); |
32bcd5cb | 510 | return hci_result == HCI_SUCCESS ? 0 : -EIO; |
c9263557 HM |
511 | } |
512 | ||
513 | static int set_lcd_status(struct backlight_device *bd) | |
514 | { | |
135740de SF |
515 | struct toshiba_acpi_dev *dev = bl_get_data(bd); |
516 | return set_lcd(dev, bd->props.brightness); | |
c9263557 HM |
517 | } |
518 | ||
936c8bcd AD |
519 | static ssize_t lcd_proc_write(struct file *file, const char __user *buf, |
520 | size_t count, loff_t *pos) | |
1da177e4 | 521 | { |
135740de | 522 | struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data; |
936c8bcd AD |
523 | char cmd[42]; |
524 | size_t len; | |
1da177e4 | 525 | int value; |
c8af57eb | 526 | int ret; |
1da177e4 | 527 | |
936c8bcd AD |
528 | len = min(count, sizeof(cmd) - 1); |
529 | if (copy_from_user(cmd, buf, len)) | |
530 | return -EFAULT; | |
531 | cmd[len] = '\0'; | |
532 | ||
533 | if (sscanf(cmd, " brightness : %i", &value) == 1 && | |
c8af57eb | 534 | value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) { |
135740de | 535 | ret = set_lcd(dev, value); |
c8af57eb MO |
536 | if (ret == 0) |
537 | ret = count; | |
538 | } else { | |
c9263557 | 539 | ret = -EINVAL; |
c8af57eb | 540 | } |
c9263557 | 541 | return ret; |
1da177e4 LT |
542 | } |
543 | ||
936c8bcd AD |
544 | static const struct file_operations lcd_proc_fops = { |
545 | .owner = THIS_MODULE, | |
546 | .open = lcd_proc_open, | |
547 | .read = seq_read, | |
548 | .llseek = seq_lseek, | |
549 | .release = single_release, | |
550 | .write = lcd_proc_write, | |
551 | }; | |
552 | ||
36d03f93 SF |
553 | static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status) |
554 | { | |
555 | u32 hci_result; | |
556 | ||
557 | hci_read1(dev, HCI_VIDEO_OUT, status, &hci_result); | |
558 | return hci_result == HCI_SUCCESS ? 0 : -EIO; | |
559 | } | |
560 | ||
936c8bcd | 561 | static int video_proc_show(struct seq_file *m, void *v) |
1da177e4 | 562 | { |
135740de | 563 | struct toshiba_acpi_dev *dev = m->private; |
1da177e4 | 564 | u32 value; |
36d03f93 | 565 | int ret; |
1da177e4 | 566 | |
36d03f93 SF |
567 | ret = get_video_status(dev, &value); |
568 | if (!ret) { | |
1da177e4 LT |
569 | int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0; |
570 | int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0; | |
4be44fcd | 571 | int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0; |
936c8bcd AD |
572 | seq_printf(m, "lcd_out: %d\n", is_lcd); |
573 | seq_printf(m, "crt_out: %d\n", is_crt); | |
574 | seq_printf(m, "tv_out: %d\n", is_tv); | |
1da177e4 LT |
575 | } |
576 | ||
36d03f93 | 577 | return ret; |
1da177e4 LT |
578 | } |
579 | ||
936c8bcd | 580 | static int video_proc_open(struct inode *inode, struct file *file) |
1da177e4 | 581 | { |
135740de | 582 | return single_open(file, video_proc_show, PDE(inode)->data); |
936c8bcd AD |
583 | } |
584 | ||
585 | static ssize_t video_proc_write(struct file *file, const char __user *buf, | |
586 | size_t count, loff_t *pos) | |
587 | { | |
135740de | 588 | struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data; |
936c8bcd | 589 | char *cmd, *buffer; |
36d03f93 | 590 | int ret; |
1da177e4 LT |
591 | int value; |
592 | int remain = count; | |
593 | int lcd_out = -1; | |
594 | int crt_out = -1; | |
595 | int tv_out = -1; | |
b4482a4b | 596 | u32 video_out; |
1da177e4 | 597 | |
936c8bcd AD |
598 | cmd = kmalloc(count + 1, GFP_KERNEL); |
599 | if (!cmd) | |
600 | return -ENOMEM; | |
601 | if (copy_from_user(cmd, buf, count)) { | |
602 | kfree(cmd); | |
603 | return -EFAULT; | |
604 | } | |
605 | cmd[count] = '\0'; | |
606 | ||
607 | buffer = cmd; | |
608 | ||
1da177e4 LT |
609 | /* scan expression. Multiple expressions may be delimited with ; |
610 | * | |
611 | * NOTE: to keep scanning simple, invalid fields are ignored | |
612 | */ | |
613 | while (remain) { | |
614 | if (sscanf(buffer, " lcd_out : %i", &value) == 1) | |
615 | lcd_out = value & 1; | |
616 | else if (sscanf(buffer, " crt_out : %i", &value) == 1) | |
617 | crt_out = value & 1; | |
618 | else if (sscanf(buffer, " tv_out : %i", &value) == 1) | |
619 | tv_out = value & 1; | |
620 | /* advance to one character past the next ; */ | |
621 | do { | |
622 | ++buffer; | |
623 | --remain; | |
624 | } | |
4be44fcd | 625 | while (remain && *(buffer - 1) != ';'); |
1da177e4 LT |
626 | } |
627 | ||
936c8bcd AD |
628 | kfree(cmd); |
629 | ||
36d03f93 SF |
630 | ret = get_video_status(dev, &video_out); |
631 | if (!ret) { | |
9e113e00 | 632 | unsigned int new_video_out = video_out; |
1da177e4 LT |
633 | if (lcd_out != -1) |
634 | _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out); | |
635 | if (crt_out != -1) | |
636 | _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out); | |
637 | if (tv_out != -1) | |
638 | _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out); | |
639 | /* To avoid unnecessary video disruption, only write the new | |
640 | * video setting if something changed. */ | |
641 | if (new_video_out != video_out) | |
32bcd5cb | 642 | ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out); |
1da177e4 LT |
643 | } |
644 | ||
32bcd5cb | 645 | return ret ? ret : count; |
1da177e4 LT |
646 | } |
647 | ||
936c8bcd AD |
648 | static const struct file_operations video_proc_fops = { |
649 | .owner = THIS_MODULE, | |
650 | .open = video_proc_open, | |
651 | .read = seq_read, | |
652 | .llseek = seq_lseek, | |
653 | .release = single_release, | |
654 | .write = video_proc_write, | |
655 | }; | |
656 | ||
36d03f93 SF |
657 | static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status) |
658 | { | |
659 | u32 hci_result; | |
660 | ||
661 | hci_read1(dev, HCI_FAN, status, &hci_result); | |
662 | return hci_result == HCI_SUCCESS ? 0 : -EIO; | |
663 | } | |
664 | ||
936c8bcd | 665 | static int fan_proc_show(struct seq_file *m, void *v) |
1da177e4 | 666 | { |
135740de | 667 | struct toshiba_acpi_dev *dev = m->private; |
36d03f93 | 668 | int ret; |
1da177e4 LT |
669 | u32 value; |
670 | ||
36d03f93 SF |
671 | ret = get_fan_status(dev, &value); |
672 | if (!ret) { | |
936c8bcd | 673 | seq_printf(m, "running: %d\n", (value > 0)); |
135740de | 674 | seq_printf(m, "force_on: %d\n", dev->force_fan); |
1da177e4 LT |
675 | } |
676 | ||
36d03f93 | 677 | return ret; |
936c8bcd AD |
678 | } |
679 | ||
680 | static int fan_proc_open(struct inode *inode, struct file *file) | |
681 | { | |
135740de | 682 | return single_open(file, fan_proc_show, PDE(inode)->data); |
1da177e4 LT |
683 | } |
684 | ||
936c8bcd AD |
685 | static ssize_t fan_proc_write(struct file *file, const char __user *buf, |
686 | size_t count, loff_t *pos) | |
1da177e4 | 687 | { |
135740de | 688 | struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data; |
936c8bcd AD |
689 | char cmd[42]; |
690 | size_t len; | |
1da177e4 LT |
691 | int value; |
692 | u32 hci_result; | |
693 | ||
936c8bcd AD |
694 | len = min(count, sizeof(cmd) - 1); |
695 | if (copy_from_user(cmd, buf, len)) | |
696 | return -EFAULT; | |
697 | cmd[len] = '\0'; | |
698 | ||
699 | if (sscanf(cmd, " force_on : %i", &value) == 1 && | |
4be44fcd | 700 | value >= 0 && value <= 1) { |
135740de | 701 | hci_write1(dev, HCI_FAN, value, &hci_result); |
1da177e4 | 702 | if (hci_result != HCI_SUCCESS) |
32bcd5cb | 703 | return -EIO; |
1da177e4 | 704 | else |
135740de | 705 | dev->force_fan = value; |
1da177e4 LT |
706 | } else { |
707 | return -EINVAL; | |
708 | } | |
709 | ||
710 | return count; | |
711 | } | |
712 | ||
936c8bcd AD |
713 | static const struct file_operations fan_proc_fops = { |
714 | .owner = THIS_MODULE, | |
715 | .open = fan_proc_open, | |
716 | .read = seq_read, | |
717 | .llseek = seq_lseek, | |
718 | .release = single_release, | |
719 | .write = fan_proc_write, | |
720 | }; | |
721 | ||
722 | static int keys_proc_show(struct seq_file *m, void *v) | |
1da177e4 | 723 | { |
135740de | 724 | struct toshiba_acpi_dev *dev = m->private; |
1da177e4 LT |
725 | u32 hci_result; |
726 | u32 value; | |
727 | ||
11948b93 | 728 | if (!dev->key_event_valid && dev->system_event_supported) { |
135740de | 729 | hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result); |
1da177e4 | 730 | if (hci_result == HCI_SUCCESS) { |
135740de SF |
731 | dev->key_event_valid = 1; |
732 | dev->last_key_event = value; | |
1da177e4 LT |
733 | } else if (hci_result == HCI_EMPTY) { |
734 | /* better luck next time */ | |
735 | } else if (hci_result == HCI_NOT_SUPPORTED) { | |
736 | /* This is a workaround for an unresolved issue on | |
737 | * some machines where system events sporadically | |
738 | * become disabled. */ | |
135740de | 739 | hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result); |
7e33460d | 740 | pr_notice("Re-enabled hotkeys\n"); |
1da177e4 | 741 | } else { |
7e33460d | 742 | pr_err("Error reading hotkey status\n"); |
32bcd5cb | 743 | return -EIO; |
1da177e4 LT |
744 | } |
745 | } | |
746 | ||
135740de SF |
747 | seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid); |
748 | seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event); | |
936c8bcd AD |
749 | return 0; |
750 | } | |
1da177e4 | 751 | |
936c8bcd AD |
752 | static int keys_proc_open(struct inode *inode, struct file *file) |
753 | { | |
135740de | 754 | return single_open(file, keys_proc_show, PDE(inode)->data); |
1da177e4 LT |
755 | } |
756 | ||
936c8bcd AD |
757 | static ssize_t keys_proc_write(struct file *file, const char __user *buf, |
758 | size_t count, loff_t *pos) | |
1da177e4 | 759 | { |
135740de | 760 | struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data; |
936c8bcd AD |
761 | char cmd[42]; |
762 | size_t len; | |
1da177e4 LT |
763 | int value; |
764 | ||
936c8bcd AD |
765 | len = min(count, sizeof(cmd) - 1); |
766 | if (copy_from_user(cmd, buf, len)) | |
767 | return -EFAULT; | |
768 | cmd[len] = '\0'; | |
769 | ||
770 | if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) { | |
135740de | 771 | dev->key_event_valid = 0; |
1da177e4 LT |
772 | } else { |
773 | return -EINVAL; | |
774 | } | |
775 | ||
776 | return count; | |
777 | } | |
778 | ||
936c8bcd AD |
779 | static const struct file_operations keys_proc_fops = { |
780 | .owner = THIS_MODULE, | |
781 | .open = keys_proc_open, | |
782 | .read = seq_read, | |
783 | .llseek = seq_lseek, | |
784 | .release = single_release, | |
785 | .write = keys_proc_write, | |
786 | }; | |
787 | ||
788 | static int version_proc_show(struct seq_file *m, void *v) | |
1da177e4 | 789 | { |
936c8bcd AD |
790 | seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION); |
791 | seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION); | |
792 | return 0; | |
1da177e4 LT |
793 | } |
794 | ||
936c8bcd AD |
795 | static int version_proc_open(struct inode *inode, struct file *file) |
796 | { | |
797 | return single_open(file, version_proc_show, PDE(inode)->data); | |
798 | } | |
799 | ||
800 | static const struct file_operations version_proc_fops = { | |
801 | .owner = THIS_MODULE, | |
802 | .open = version_proc_open, | |
803 | .read = seq_read, | |
804 | .llseek = seq_lseek, | |
805 | .release = single_release, | |
806 | }; | |
807 | ||
1da177e4 LT |
808 | /* proc and module init |
809 | */ | |
810 | ||
811 | #define PROC_TOSHIBA "toshiba" | |
812 | ||
135740de SF |
813 | static void __devinit |
814 | create_toshiba_proc_entries(struct toshiba_acpi_dev *dev) | |
1da177e4 | 815 | { |
36d03f93 SF |
816 | if (dev->backlight_dev) |
817 | proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
818 | &lcd_proc_fops, dev); | |
819 | if (dev->video_supported) | |
820 | proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
821 | &video_proc_fops, dev); | |
822 | if (dev->fan_supported) | |
823 | proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
824 | &fan_proc_fops, dev); | |
825 | if (dev->hotkey_dev) | |
826 | proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, | |
827 | &keys_proc_fops, dev); | |
135740de SF |
828 | proc_create_data("version", S_IRUGO, toshiba_proc_dir, |
829 | &version_proc_fops, dev); | |
1da177e4 LT |
830 | } |
831 | ||
36d03f93 | 832 | static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev) |
1da177e4 | 833 | { |
36d03f93 SF |
834 | if (dev->backlight_dev) |
835 | remove_proc_entry("lcd", toshiba_proc_dir); | |
836 | if (dev->video_supported) | |
837 | remove_proc_entry("video", toshiba_proc_dir); | |
838 | if (dev->fan_supported) | |
839 | remove_proc_entry("fan", toshiba_proc_dir); | |
840 | if (dev->hotkey_dev) | |
841 | remove_proc_entry("keys", toshiba_proc_dir); | |
936c8bcd | 842 | remove_proc_entry("version", toshiba_proc_dir); |
1da177e4 LT |
843 | } |
844 | ||
acc2472e | 845 | static const struct backlight_ops toshiba_backlight_data = { |
c9263557 HM |
846 | .get_brightness = get_lcd, |
847 | .update_status = set_lcd_status, | |
c9263557 HM |
848 | }; |
849 | ||
6e02cc7e | 850 | static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) |
6335e4d5 MG |
851 | { |
852 | acpi_status status; | |
384a7cd9 | 853 | int error; |
6335e4d5 | 854 | |
135740de SF |
855 | dev->hotkey_dev = input_allocate_device(); |
856 | if (!dev->hotkey_dev) { | |
7e33460d | 857 | pr_info("Unable to register input device\n"); |
6335e4d5 MG |
858 | return -ENOMEM; |
859 | } | |
860 | ||
135740de | 861 | dev->hotkey_dev->name = "Toshiba input device"; |
6e02cc7e | 862 | dev->hotkey_dev->phys = "toshiba_acpi/input0"; |
135740de | 863 | dev->hotkey_dev->id.bustype = BUS_HOST; |
6335e4d5 | 864 | |
135740de | 865 | error = sparse_keymap_setup(dev->hotkey_dev, toshiba_acpi_keymap, NULL); |
384a7cd9 DT |
866 | if (error) |
867 | goto err_free_dev; | |
868 | ||
6e02cc7e | 869 | status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", NULL, NULL); |
384a7cd9 | 870 | if (ACPI_FAILURE(status)) { |
7e33460d | 871 | pr_info("Unable to enable hotkeys\n"); |
384a7cd9 | 872 | error = -ENODEV; |
135740de | 873 | goto err_free_keymap; |
6335e4d5 MG |
874 | } |
875 | ||
135740de | 876 | error = input_register_device(dev->hotkey_dev); |
384a7cd9 | 877 | if (error) { |
7e33460d | 878 | pr_info("Unable to register input device\n"); |
135740de | 879 | goto err_free_keymap; |
6335e4d5 MG |
880 | } |
881 | ||
882 | return 0; | |
384a7cd9 | 883 | |
384a7cd9 | 884 | err_free_keymap: |
135740de | 885 | sparse_keymap_free(dev->hotkey_dev); |
384a7cd9 | 886 | err_free_dev: |
135740de SF |
887 | input_free_device(dev->hotkey_dev); |
888 | dev->hotkey_dev = NULL; | |
384a7cd9 | 889 | return error; |
6335e4d5 MG |
890 | } |
891 | ||
135740de | 892 | static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type) |
c9263557 | 893 | { |
135740de | 894 | struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); |
6335e4d5 | 895 | |
36d03f93 | 896 | remove_toshiba_proc_entries(dev); |
c41a40c5 | 897 | |
135740de SF |
898 | if (dev->hotkey_dev) { |
899 | input_unregister_device(dev->hotkey_dev); | |
900 | sparse_keymap_free(dev->hotkey_dev); | |
901 | } | |
c9263557 | 902 | |
135740de SF |
903 | if (dev->bt_rfk) { |
904 | rfkill_unregister(dev->bt_rfk); | |
905 | rfkill_destroy(dev->bt_rfk); | |
906 | } | |
c9263557 | 907 | |
135740de SF |
908 | if (dev->backlight_dev) |
909 | backlight_device_unregister(dev->backlight_dev); | |
c9263557 | 910 | |
36d03f93 | 911 | if (dev->illumination_supported) |
135740de | 912 | led_classdev_unregister(&dev->led_dev); |
6c3f6e6c | 913 | |
135740de | 914 | kfree(dev); |
c41a40c5 | 915 | |
135740de | 916 | return 0; |
c9263557 HM |
917 | } |
918 | ||
a540d6b5 SF |
919 | static const char * __devinit find_hci_method(acpi_handle handle) |
920 | { | |
921 | acpi_status status; | |
922 | acpi_handle hci_handle; | |
923 | ||
924 | status = acpi_get_handle(handle, "GHCI", &hci_handle); | |
925 | if (ACPI_SUCCESS(status)) | |
926 | return "GHCI"; | |
927 | ||
928 | status = acpi_get_handle(handle, "SPFC", &hci_handle); | |
929 | if (ACPI_SUCCESS(status)) | |
930 | return "SPFC"; | |
931 | ||
932 | return NULL; | |
933 | } | |
934 | ||
135740de | 935 | static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev) |
1da177e4 | 936 | { |
135740de | 937 | struct toshiba_acpi_dev *dev; |
a540d6b5 | 938 | const char *hci_method; |
1da177e4 | 939 | u32 hci_result; |
36d03f93 | 940 | u32 dummy; |
c41a40c5 | 941 | bool bt_present; |
c41a40c5 | 942 | int ret = 0; |
a19a6ee6 | 943 | struct backlight_properties props; |
1da177e4 | 944 | |
135740de SF |
945 | pr_info("Toshiba Laptop ACPI Extras version %s\n", |
946 | TOSHIBA_ACPI_VERSION); | |
947 | ||
a540d6b5 SF |
948 | hci_method = find_hci_method(acpi_dev->handle); |
949 | if (!hci_method) { | |
950 | pr_err("HCI interface not found\n"); | |
6e02cc7e | 951 | return -ENODEV; |
a540d6b5 | 952 | } |
6e02cc7e | 953 | |
135740de SF |
954 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
955 | if (!dev) | |
956 | return -ENOMEM; | |
957 | dev->acpi_dev = acpi_dev; | |
a540d6b5 | 958 | dev->method_hci = hci_method; |
135740de | 959 | acpi_dev->driver_data = dev; |
fb9802fa | 960 | |
6e02cc7e SF |
961 | if (toshiba_acpi_setup_keyboard(dev)) |
962 | pr_info("Unable to activate hotkeys\n"); | |
135740de SF |
963 | |
964 | mutex_init(&dev->mutex); | |
1da177e4 LT |
965 | |
966 | /* enable event fifo */ | |
135740de | 967 | hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result); |
11948b93 SF |
968 | if (hci_result == HCI_SUCCESS) |
969 | dev->system_event_supported = 1; | |
1da177e4 | 970 | |
bb7ca747 | 971 | props.type = BACKLIGHT_PLATFORM; |
a19a6ee6 | 972 | props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; |
135740de SF |
973 | dev->backlight_dev = backlight_device_register("toshiba", |
974 | &acpi_dev->dev, | |
975 | dev, | |
976 | &toshiba_backlight_data, | |
977 | &props); | |
978 | if (IS_ERR(dev->backlight_dev)) { | |
979 | ret = PTR_ERR(dev->backlight_dev); | |
1299342b | 980 | |
7e33460d | 981 | pr_err("Could not register toshiba backlight device\n"); |
135740de SF |
982 | dev->backlight_dev = NULL; |
983 | goto error; | |
c9263557 | 984 | } |
ac2dad88 | 985 | dev->backlight_dev->props.brightness = get_lcd(dev->backlight_dev); |
1da177e4 | 986 | |
c41a40c5 | 987 | /* Register rfkill switch for Bluetooth */ |
135740de SF |
988 | if (hci_get_bt_present(dev, &bt_present) == HCI_SUCCESS && bt_present) { |
989 | dev->bt_rfk = rfkill_alloc("Toshiba Bluetooth", | |
990 | &acpi_dev->dev, | |
991 | RFKILL_TYPE_BLUETOOTH, | |
992 | &toshiba_rfk_ops, | |
993 | dev); | |
994 | if (!dev->bt_rfk) { | |
7e33460d | 995 | pr_err("unable to allocate rfkill device\n"); |
135740de SF |
996 | ret = -ENOMEM; |
997 | goto error; | |
c41a40c5 | 998 | } |
999 | ||
135740de | 1000 | ret = rfkill_register(dev->bt_rfk); |
c41a40c5 | 1001 | if (ret) { |
7e33460d | 1002 | pr_err("unable to register rfkill device\n"); |
135740de SF |
1003 | rfkill_destroy(dev->bt_rfk); |
1004 | goto error; | |
38aefbc5 | 1005 | } |
c41a40c5 | 1006 | } |
1007 | ||
135740de SF |
1008 | if (toshiba_illumination_available(dev)) { |
1009 | dev->led_dev.name = "toshiba::illumination"; | |
1010 | dev->led_dev.max_brightness = 1; | |
1011 | dev->led_dev.brightness_set = toshiba_illumination_set; | |
1012 | dev->led_dev.brightness_get = toshiba_illumination_get; | |
1013 | if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev)) | |
36d03f93 | 1014 | dev->illumination_supported = 1; |
6c3f6e6c PD |
1015 | } |
1016 | ||
36d03f93 SF |
1017 | /* Determine whether or not BIOS supports fan and video interfaces */ |
1018 | ||
1019 | ret = get_video_status(dev, &dummy); | |
1020 | dev->video_supported = !ret; | |
1021 | ||
1022 | ret = get_fan_status(dev, &dummy); | |
1023 | dev->fan_supported = !ret; | |
1024 | ||
1025 | create_toshiba_proc_entries(dev); | |
1026 | ||
c41a40c5 | 1027 | return 0; |
135740de SF |
1028 | |
1029 | error: | |
1030 | toshiba_acpi_remove(acpi_dev, 0); | |
1031 | return ret; | |
1032 | } | |
1033 | ||
1034 | static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) | |
1035 | { | |
1036 | struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); | |
1037 | u32 hci_result, value; | |
11948b93 | 1038 | int retries = 3; |
135740de | 1039 | |
11948b93 | 1040 | if (!dev->system_event_supported || event != 0x80) |
135740de | 1041 | return; |
11948b93 | 1042 | |
135740de SF |
1043 | do { |
1044 | hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result); | |
11948b93 SF |
1045 | switch (hci_result) { |
1046 | case HCI_SUCCESS: | |
135740de SF |
1047 | if (value == 0x100) |
1048 | continue; | |
1049 | /* act on key press; ignore key release */ | |
1050 | if (value & 0x80) | |
1051 | continue; | |
1052 | ||
1053 | if (!sparse_keymap_report_event(dev->hotkey_dev, | |
1054 | value, 1, true)) { | |
1055 | pr_info("Unknown key %x\n", | |
1056 | value); | |
1057 | } | |
11948b93 SF |
1058 | break; |
1059 | case HCI_NOT_SUPPORTED: | |
135740de SF |
1060 | /* This is a workaround for an unresolved issue on |
1061 | * some machines where system events sporadically | |
1062 | * become disabled. */ | |
1063 | hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result); | |
1064 | pr_notice("Re-enabled hotkeys\n"); | |
11948b93 SF |
1065 | /* fall through */ |
1066 | default: | |
1067 | retries--; | |
1068 | break; | |
135740de | 1069 | } |
11948b93 | 1070 | } while (retries && hci_result != HCI_EMPTY); |
135740de SF |
1071 | } |
1072 | ||
1073 | ||
1074 | static struct acpi_driver toshiba_acpi_driver = { | |
1075 | .name = "Toshiba ACPI driver", | |
1076 | .owner = THIS_MODULE, | |
1077 | .ids = toshiba_device_ids, | |
1078 | .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, | |
1079 | .ops = { | |
1080 | .add = toshiba_acpi_add, | |
1081 | .remove = toshiba_acpi_remove, | |
1082 | .notify = toshiba_acpi_notify, | |
1083 | }, | |
1084 | }; | |
1085 | ||
1086 | static int __init toshiba_acpi_init(void) | |
1087 | { | |
1088 | int ret; | |
1089 | ||
1090 | toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir); | |
1091 | if (!toshiba_proc_dir) { | |
1092 | pr_err("Unable to create proc dir " PROC_TOSHIBA "\n"); | |
1093 | return -ENODEV; | |
1094 | } | |
1095 | ||
1096 | ret = acpi_bus_register_driver(&toshiba_acpi_driver); | |
1097 | if (ret) { | |
1098 | pr_err("Failed to register ACPI driver: %d\n", ret); | |
1099 | remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); | |
1100 | } | |
1101 | ||
1102 | return ret; | |
1103 | } | |
1104 | ||
1105 | static void __exit toshiba_acpi_exit(void) | |
1106 | { | |
1107 | acpi_bus_unregister_driver(&toshiba_acpi_driver); | |
1108 | if (toshiba_proc_dir) | |
1109 | remove_proc_entry(PROC_TOSHIBA, acpi_root_dir); | |
1da177e4 LT |
1110 | } |
1111 | ||
1112 | module_init(toshiba_acpi_init); | |
1113 | module_exit(toshiba_acpi_exit); |