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1/*
2 * toshiba_acpi.c - Toshiba Laptop ACPI Extras
3 *
4 *
5 * Copyright (C) 2002-2004 John Belmonte
6 * Copyright (C) 2008 Philip Langdale
7 * Copyright (C) 2010 Pierre Ducroquet
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
38#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
39
40#define TOSHIBA_ACPI_VERSION "0.19"
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>
48#include <linux/seq_file.h>
49#include <linux/backlight.h>
50#include <linux/platform_device.h>
51#include <linux/rfkill.h>
52#include <linux/input.h>
53#include <linux/input/sparse-keymap.h>
54#include <linux/leds.h>
55#include <linux/slab.h>
56
57#include <asm/uaccess.h>
58
59#include <acpi/acpi_drivers.h>
60
61MODULE_AUTHOR("John Belmonte");
62MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
63MODULE_LICENSE("GPL");
64
65/* Toshiba ACPI method paths */
66#define METHOD_LCD_BRIGHTNESS "\\_SB_.PCI0.VGA_.LCD_._BCM"
67#define TOSH_INTERFACE_1 "\\_SB_.VALD"
68#define TOSH_INTERFACE_2 "\\_SB_.VALZ"
69#define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX"
70#define GHCI_METHOD ".GHCI"
71
72/* Toshiba HCI interface definitions
73 *
74 * HCI is Toshiba's "Hardware Control Interface" which is supposed to
75 * be uniform across all their models. Ideally we would just call
76 * dedicated ACPI methods instead of using this primitive interface.
77 * However the ACPI methods seem to be incomplete in some areas (for
78 * example they allow setting, but not reading, the LCD brightness value),
79 * so this is still useful.
80 */
81
82#define HCI_WORDS 6
83
84/* operations */
85#define HCI_SET 0xff00
86#define HCI_GET 0xfe00
87
88/* return codes */
89#define HCI_SUCCESS 0x0000
90#define HCI_FAILURE 0x1000
91#define HCI_NOT_SUPPORTED 0x8000
92#define HCI_EMPTY 0x8c00
93
94/* registers */
95#define HCI_FAN 0x0004
96#define HCI_SYSTEM_EVENT 0x0016
97#define HCI_VIDEO_OUT 0x001c
98#define HCI_HOTKEY_EVENT 0x001e
99#define HCI_LCD_BRIGHTNESS 0x002a
100#define HCI_WIRELESS 0x0056
101
102/* field definitions */
103#define HCI_LCD_BRIGHTNESS_BITS 3
104#define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS)
105#define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS)
106#define HCI_VIDEO_OUT_LCD 0x1
107#define HCI_VIDEO_OUT_CRT 0x2
108#define HCI_VIDEO_OUT_TV 0x4
109#define HCI_WIRELESS_KILL_SWITCH 0x01
110#define HCI_WIRELESS_BT_PRESENT 0x0f
111#define HCI_WIRELESS_BT_ATTACH 0x40
112#define HCI_WIRELESS_BT_POWER 0x80
113
114static const struct acpi_device_id toshiba_device_ids[] = {
115 {"TOS6200", 0},
116 {"TOS6208", 0},
117 {"TOS1900", 0},
118 {"", 0},
119};
120MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
121
122static const struct key_entry toshiba_acpi_keymap[] __initconst = {
123 { KE_KEY, 0x101, { KEY_MUTE } },
124 { KE_KEY, 0x102, { KEY_ZOOMOUT } },
125 { KE_KEY, 0x103, { KEY_ZOOMIN } },
126 { KE_KEY, 0x13b, { KEY_COFFEE } },
127 { KE_KEY, 0x13c, { KEY_BATTERY } },
128 { KE_KEY, 0x13d, { KEY_SLEEP } },
129 { KE_KEY, 0x13e, { KEY_SUSPEND } },
130 { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } },
131 { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
132 { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
133 { KE_KEY, 0x142, { KEY_WLAN } },
134 { KE_KEY, 0x143, { KEY_PROG1 } },
135 { KE_KEY, 0x17f, { KEY_FN } },
136 { KE_KEY, 0xb05, { KEY_PROG2 } },
137 { KE_KEY, 0xb06, { KEY_WWW } },
138 { KE_KEY, 0xb07, { KEY_MAIL } },
139 { KE_KEY, 0xb30, { KEY_STOP } },
140 { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } },
141 { KE_KEY, 0xb32, { KEY_NEXTSONG } },
142 { KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
143 { KE_KEY, 0xb5a, { KEY_MEDIA } },
144 { KE_END, 0 },
145};
146
147/* utility
148 */
149
150static __inline__ void _set_bit(u32 * word, u32 mask, int value)
151{
152 *word = (*word & ~mask) | (mask * value);
153}
154
155/* acpi interface wrappers
156 */
157
158static int is_valid_acpi_path(const char *methodName)
159{
160 acpi_handle handle;
161 acpi_status status;
162
163 status = acpi_get_handle(NULL, (char *)methodName, &handle);
164 return !ACPI_FAILURE(status);
165}
166
167static int write_acpi_int(const char *methodName, int val)
168{
169 struct acpi_object_list params;
170 union acpi_object in_objs[1];
171 acpi_status status;
172
173 params.count = ARRAY_SIZE(in_objs);
174 params.pointer = in_objs;
175 in_objs[0].type = ACPI_TYPE_INTEGER;
176 in_objs[0].integer.value = val;
177
178 status = acpi_evaluate_object(NULL, (char *)methodName, ¶ms, NULL);
179 return (status == AE_OK);
180}
181
182#if 0
183static int read_acpi_int(const char *methodName, int *pVal)
184{
185 struct acpi_buffer results;
186 union acpi_object out_objs[1];
187 acpi_status status;
188
189 results.length = sizeof(out_objs);
190 results.pointer = out_objs;
191
192 status = acpi_evaluate_object(0, (char *)methodName, 0, &results);
193 *pVal = out_objs[0].integer.value;
194
195 return (status == AE_OK) && (out_objs[0].type == ACPI_TYPE_INTEGER);
196}
197#endif
198
199static const char *method_hci /*= 0*/ ;
200
201/* Perform a raw HCI call. Here we don't care about input or output buffer
202 * format.
203 */
204static acpi_status hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
205{
206 struct acpi_object_list params;
207 union acpi_object in_objs[HCI_WORDS];
208 struct acpi_buffer results;
209 union acpi_object out_objs[HCI_WORDS + 1];
210 acpi_status status;
211 int i;
212
213 params.count = HCI_WORDS;
214 params.pointer = in_objs;
215 for (i = 0; i < HCI_WORDS; ++i) {
216 in_objs[i].type = ACPI_TYPE_INTEGER;
217 in_objs[i].integer.value = in[i];
218 }
219
220 results.length = sizeof(out_objs);
221 results.pointer = out_objs;
222
223 status = acpi_evaluate_object(NULL, (char *)method_hci, ¶ms,
224 &results);
225 if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) {
226 for (i = 0; i < out_objs->package.count; ++i) {
227 out[i] = out_objs->package.elements[i].integer.value;
228 }
229 }
230
231 return status;
232}
233
234/* common hci tasks (get or set one or two value)
235 *
236 * In addition to the ACPI status, the HCI system returns a result which
237 * may be useful (such as "not supported").
238 */
239
240static acpi_status hci_write1(u32 reg, u32 in1, u32 * result)
241{
242 u32 in[HCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 };
243 u32 out[HCI_WORDS];
244 acpi_status status = hci_raw(in, out);
245 *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
246 return status;
247}
248
249static acpi_status hci_read1(u32 reg, u32 * out1, u32 * result)
250{
251 u32 in[HCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 };
252 u32 out[HCI_WORDS];
253 acpi_status status = hci_raw(in, out);
254 *out1 = out[2];
255 *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
256 return status;
257}
258
259static acpi_status hci_write2(u32 reg, u32 in1, u32 in2, u32 *result)
260{
261 u32 in[HCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 };
262 u32 out[HCI_WORDS];
263 acpi_status status = hci_raw(in, out);
264 *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
265 return status;
266}
267
268static acpi_status hci_read2(u32 reg, u32 *out1, u32 *out2, u32 *result)
269{
270 u32 in[HCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 };
271 u32 out[HCI_WORDS];
272 acpi_status status = hci_raw(in, out);
273 *out1 = out[2];
274 *out2 = out[3];
275 *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
276 return status;
277}
278
279struct toshiba_acpi_dev {
280 struct platform_device *p_dev;
281 struct rfkill *bt_rfk;
282 struct input_dev *hotkey_dev;
283 int illumination_installed;
284 acpi_handle handle;
285
286 const char *bt_name;
287
288 struct mutex mutex;
289};
290
291/* Illumination support */
292static int toshiba_illumination_available(void)
293{
294 u32 in[HCI_WORDS] = { 0, 0, 0, 0, 0, 0 };
295 u32 out[HCI_WORDS];
296 acpi_status status;
297
298 in[0] = 0xf100;
299 status = hci_raw(in, out);
300 if (ACPI_FAILURE(status)) {
301 pr_info("Illumination device not available\n");
302 return 0;
303 }
304 in[0] = 0xf400;
305 status = hci_raw(in, out);
306 return 1;
307}
308
309static void toshiba_illumination_set(struct led_classdev *cdev,
310 enum led_brightness brightness)
311{
312 u32 in[HCI_WORDS] = { 0, 0, 0, 0, 0, 0 };
313 u32 out[HCI_WORDS];
314 acpi_status status;
315
316 /* First request : initialize communication. */
317 in[0] = 0xf100;
318 status = hci_raw(in, out);
319 if (ACPI_FAILURE(status)) {
320 pr_info("Illumination device not available\n");
321 return;
322 }
323
324 if (brightness) {
325 /* Switch the illumination on */
326 in[0] = 0xf400;
327 in[1] = 0x14e;
328 in[2] = 1;
329 status = hci_raw(in, out);
330 if (ACPI_FAILURE(status)) {
331 pr_info("ACPI call for illumination failed\n");
332 return;
333 }
334 } else {
335 /* Switch the illumination off */
336 in[0] = 0xf400;
337 in[1] = 0x14e;
338 in[2] = 0;
339 status = hci_raw(in, out);
340 if (ACPI_FAILURE(status)) {
341 pr_info("ACPI call for illumination failed.\n");
342 return;
343 }
344 }
345
346 /* Last request : close communication. */
347 in[0] = 0xf200;
348 in[1] = 0;
349 in[2] = 0;
350 hci_raw(in, out);
351}
352
353static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev)
354{
355 u32 in[HCI_WORDS] = { 0, 0, 0, 0, 0, 0 };
356 u32 out[HCI_WORDS];
357 acpi_status status;
358 enum led_brightness result;
359
360 /*Â First request : initialize communication. */
361 in[0] = 0xf100;
362 status = hci_raw(in, out);
363 if (ACPI_FAILURE(status)) {
364 pr_info("Illumination device not available\n");
365 return LED_OFF;
366 }
367
368 /* Check the illumination */
369 in[0] = 0xf300;
370 in[1] = 0x14e;
371 status = hci_raw(in, out);
372 if (ACPI_FAILURE(status)) {
373 pr_info("ACPI call for illumination failed.\n");
374 return LED_OFF;
375 }
376
377 result = out[2] ? LED_FULL : LED_OFF;
378
379 /* Last request : close communication. */
380 in[0] = 0xf200;
381 in[1] = 0;
382 in[2] = 0;
383 hci_raw(in, out);
384
385 return result;
386}
387
388static struct led_classdev toshiba_led = {
389 .name = "toshiba::illumination",
390 .max_brightness = 1,
391 .brightness_set = toshiba_illumination_set,
392 .brightness_get = toshiba_illumination_get,
393};
394
395static struct toshiba_acpi_dev toshiba_acpi = {
396 .bt_name = "Toshiba Bluetooth",
397};
398
399/* Bluetooth rfkill handlers */
400
401static u32 hci_get_bt_present(bool *present)
402{
403 u32 hci_result;
404 u32 value, value2;
405
406 value = 0;
407 value2 = 0;
408 hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
409 if (hci_result == HCI_SUCCESS)
410 *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
411
412 return hci_result;
413}
414
415static u32 hci_get_radio_state(bool *radio_state)
416{
417 u32 hci_result;
418 u32 value, value2;
419
420 value = 0;
421 value2 = 0x0001;
422 hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
423
424 *radio_state = value & HCI_WIRELESS_KILL_SWITCH;
425 return hci_result;
426}
427
428static int bt_rfkill_set_block(void *data, bool blocked)
429{
430 struct toshiba_acpi_dev *dev = data;
431 u32 result1, result2;
432 u32 value;
433 int err;
434 bool radio_state;
435
436 value = (blocked == false);
437
438 mutex_lock(&dev->mutex);
439 if (hci_get_radio_state(&radio_state) != HCI_SUCCESS) {
440 err = -EBUSY;
441 goto out;
442 }
443
444 if (!radio_state) {
445 err = 0;
446 goto out;
447 }
448
449 hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER, &result1);
450 hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2);
451
452 if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS)
453 err = -EBUSY;
454 else
455 err = 0;
456 out:
457 mutex_unlock(&dev->mutex);
458 return err;
459}
460
461static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
462{
463 bool new_rfk_state;
464 bool value;
465 u32 hci_result;
466 struct toshiba_acpi_dev *dev = data;
467
468 mutex_lock(&dev->mutex);
469
470 hci_result = hci_get_radio_state(&value);
471 if (hci_result != HCI_SUCCESS) {
472 /* Can't do anything useful */
473 mutex_unlock(&dev->mutex);
474 return;
475 }
476
477 new_rfk_state = value;
478
479 mutex_unlock(&dev->mutex);
480
481 if (rfkill_set_hw_state(rfkill, !new_rfk_state))
482 bt_rfkill_set_block(data, true);
483}
484
485static const struct rfkill_ops toshiba_rfk_ops = {
486 .set_block = bt_rfkill_set_block,
487 .poll = bt_rfkill_poll,
488};
489
490static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ;
491static struct backlight_device *toshiba_backlight_device;
492static int force_fan;
493static int last_key_event;
494static int key_event_valid;
495
496static int get_lcd(struct backlight_device *bd)
497{
498 u32 hci_result;
499 u32 value;
500
501 hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result);
502 if (hci_result == HCI_SUCCESS) {
503 return (value >> HCI_LCD_BRIGHTNESS_SHIFT);
504 } else
505 return -EFAULT;
506}
507
508static int lcd_proc_show(struct seq_file *m, void *v)
509{
510 int value = get_lcd(NULL);
511
512 if (value >= 0) {
513 seq_printf(m, "brightness: %d\n", value);
514 seq_printf(m, "brightness_levels: %d\n",
515 HCI_LCD_BRIGHTNESS_LEVELS);
516 } else {
517 pr_err("Error reading LCD brightness\n");
518 }
519
520 return 0;
521}
522
523static int lcd_proc_open(struct inode *inode, struct file *file)
524{
525 return single_open(file, lcd_proc_show, NULL);
526}
527
528static int set_lcd(int value)
529{
530 u32 hci_result;
531
532 value = value << HCI_LCD_BRIGHTNESS_SHIFT;
533 hci_write1(HCI_LCD_BRIGHTNESS, value, &hci_result);
534 if (hci_result != HCI_SUCCESS)
535 return -EFAULT;
536
537 return 0;
538}
539
540static int set_lcd_status(struct backlight_device *bd)
541{
542 return set_lcd(bd->props.brightness);
543}
544
545static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
546 size_t count, loff_t *pos)
547{
548 char cmd[42];
549 size_t len;
550 int value;
551 int ret;
552
553 len = min(count, sizeof(cmd) - 1);
554 if (copy_from_user(cmd, buf, len))
555 return -EFAULT;
556 cmd[len] = '\0';
557
558 if (sscanf(cmd, " brightness : %i", &value) == 1 &&
559 value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
560 ret = set_lcd(value);
561 if (ret == 0)
562 ret = count;
563 } else {
564 ret = -EINVAL;
565 }
566 return ret;
567}
568
569static const struct file_operations lcd_proc_fops = {
570 .owner = THIS_MODULE,
571 .open = lcd_proc_open,
572 .read = seq_read,
573 .llseek = seq_lseek,
574 .release = single_release,
575 .write = lcd_proc_write,
576};
577
578static int video_proc_show(struct seq_file *m, void *v)
579{
580 u32 hci_result;
581 u32 value;
582
583 hci_read1(HCI_VIDEO_OUT, &value, &hci_result);
584 if (hci_result == HCI_SUCCESS) {
585 int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
586 int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
587 int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
588 seq_printf(m, "lcd_out: %d\n", is_lcd);
589 seq_printf(m, "crt_out: %d\n", is_crt);
590 seq_printf(m, "tv_out: %d\n", is_tv);
591 } else {
592 pr_err("Error reading video out status\n");
593 }
594
595 return 0;
596}
597
598static int video_proc_open(struct inode *inode, struct file *file)
599{
600 return single_open(file, video_proc_show, NULL);
601}
602
603static ssize_t video_proc_write(struct file *file, const char __user *buf,
604 size_t count, loff_t *pos)
605{
606 char *cmd, *buffer;
607 int value;
608 int remain = count;
609 int lcd_out = -1;
610 int crt_out = -1;
611 int tv_out = -1;
612 u32 hci_result;
613 u32 video_out;
614
615 cmd = kmalloc(count + 1, GFP_KERNEL);
616 if (!cmd)
617 return -ENOMEM;
618 if (copy_from_user(cmd, buf, count)) {
619 kfree(cmd);
620 return -EFAULT;
621 }
622 cmd[count] = '\0';
623
624 buffer = cmd;
625
626 /* scan expression. Multiple expressions may be delimited with ;
627 *
628 * NOTE: to keep scanning simple, invalid fields are ignored
629 */
630 while (remain) {
631 if (sscanf(buffer, " lcd_out : %i", &value) == 1)
632 lcd_out = value & 1;
633 else if (sscanf(buffer, " crt_out : %i", &value) == 1)
634 crt_out = value & 1;
635 else if (sscanf(buffer, " tv_out : %i", &value) == 1)
636 tv_out = value & 1;
637 /* advance to one character past the next ; */
638 do {
639 ++buffer;
640 --remain;
641 }
642 while (remain && *(buffer - 1) != ';');
643 }
644
645 kfree(cmd);
646
647 hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
648 if (hci_result == HCI_SUCCESS) {
649 unsigned int new_video_out = video_out;
650 if (lcd_out != -1)
651 _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
652 if (crt_out != -1)
653 _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out);
654 if (tv_out != -1)
655 _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out);
656 /* To avoid unnecessary video disruption, only write the new
657 * video setting if something changed. */
658 if (new_video_out != video_out)
659 write_acpi_int(METHOD_VIDEO_OUT, new_video_out);
660 } else {
661 return -EFAULT;
662 }
663
664 return count;
665}
666
667static const struct file_operations video_proc_fops = {
668 .owner = THIS_MODULE,
669 .open = video_proc_open,
670 .read = seq_read,
671 .llseek = seq_lseek,
672 .release = single_release,
673 .write = video_proc_write,
674};
675
676static int fan_proc_show(struct seq_file *m, void *v)
677{
678 u32 hci_result;
679 u32 value;
680
681 hci_read1(HCI_FAN, &value, &hci_result);
682 if (hci_result == HCI_SUCCESS) {
683 seq_printf(m, "running: %d\n", (value > 0));
684 seq_printf(m, "force_on: %d\n", force_fan);
685 } else {
686 pr_err("Error reading fan status\n");
687 }
688
689 return 0;
690}
691
692static int fan_proc_open(struct inode *inode, struct file *file)
693{
694 return single_open(file, fan_proc_show, NULL);
695}
696
697static ssize_t fan_proc_write(struct file *file, const char __user *buf,
698 size_t count, loff_t *pos)
699{
700 char cmd[42];
701 size_t len;
702 int value;
703 u32 hci_result;
704
705 len = min(count, sizeof(cmd) - 1);
706 if (copy_from_user(cmd, buf, len))
707 return -EFAULT;
708 cmd[len] = '\0';
709
710 if (sscanf(cmd, " force_on : %i", &value) == 1 &&
711 value >= 0 && value <= 1) {
712 hci_write1(HCI_FAN, value, &hci_result);
713 if (hci_result != HCI_SUCCESS)
714 return -EFAULT;
715 else
716 force_fan = value;
717 } else {
718 return -EINVAL;
719 }
720
721 return count;
722}
723
724static const struct file_operations fan_proc_fops = {
725 .owner = THIS_MODULE,
726 .open = fan_proc_open,
727 .read = seq_read,
728 .llseek = seq_lseek,
729 .release = single_release,
730 .write = fan_proc_write,
731};
732
733static int keys_proc_show(struct seq_file *m, void *v)
734{
735 u32 hci_result;
736 u32 value;
737
738 if (!key_event_valid) {
739 hci_read1(HCI_SYSTEM_EVENT, &value, &hci_result);
740 if (hci_result == HCI_SUCCESS) {
741 key_event_valid = 1;
742 last_key_event = value;
743 } else if (hci_result == HCI_EMPTY) {
744 /* better luck next time */
745 } else if (hci_result == HCI_NOT_SUPPORTED) {
746 /* This is a workaround for an unresolved issue on
747 * some machines where system events sporadically
748 * become disabled. */
749 hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
750 pr_notice("Re-enabled hotkeys\n");
751 } else {
752 pr_err("Error reading hotkey status\n");
753 goto end;
754 }
755 }
756
757 seq_printf(m, "hotkey_ready: %d\n", key_event_valid);
758 seq_printf(m, "hotkey: 0x%04x\n", last_key_event);
759end:
760 return 0;
761}
762
763static int keys_proc_open(struct inode *inode, struct file *file)
764{
765 return single_open(file, keys_proc_show, NULL);
766}
767
768static ssize_t keys_proc_write(struct file *file, const char __user *buf,
769 size_t count, loff_t *pos)
770{
771 char cmd[42];
772 size_t len;
773 int value;
774
775 len = min(count, sizeof(cmd) - 1);
776 if (copy_from_user(cmd, buf, len))
777 return -EFAULT;
778 cmd[len] = '\0';
779
780 if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) {
781 key_event_valid = 0;
782 } else {
783 return -EINVAL;
784 }
785
786 return count;
787}
788
789static const struct file_operations keys_proc_fops = {
790 .owner = THIS_MODULE,
791 .open = keys_proc_open,
792 .read = seq_read,
793 .llseek = seq_lseek,
794 .release = single_release,
795 .write = keys_proc_write,
796};
797
798static int version_proc_show(struct seq_file *m, void *v)
799{
800 seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION);
801 seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION);
802 return 0;
803}
804
805static int version_proc_open(struct inode *inode, struct file *file)
806{
807 return single_open(file, version_proc_show, PDE(inode)->data);
808}
809
810static const struct file_operations version_proc_fops = {
811 .owner = THIS_MODULE,
812 .open = version_proc_open,
813 .read = seq_read,
814 .llseek = seq_lseek,
815 .release = single_release,
816};
817
818/* proc and module init
819 */
820
821#define PROC_TOSHIBA "toshiba"
822
823static void __init create_toshiba_proc_entries(void)
824{
825 proc_create("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir, &lcd_proc_fops);
826 proc_create("video", S_IRUGO | S_IWUSR, toshiba_proc_dir, &video_proc_fops);
827 proc_create("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir, &fan_proc_fops);
828 proc_create("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir, &keys_proc_fops);
829 proc_create("version", S_IRUGO, toshiba_proc_dir, &version_proc_fops);
830}
831
832static void remove_toshiba_proc_entries(void)
833{
834 remove_proc_entry("lcd", toshiba_proc_dir);
835 remove_proc_entry("video", toshiba_proc_dir);
836 remove_proc_entry("fan", toshiba_proc_dir);
837 remove_proc_entry("keys", toshiba_proc_dir);
838 remove_proc_entry("version", toshiba_proc_dir);
839}
840
841static const struct backlight_ops toshiba_backlight_data = {
842 .get_brightness = get_lcd,
843 .update_status = set_lcd_status,
844};
845
846static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
847{
848 u32 hci_result, value;
849
850 if (event != 0x80)
851 return;
852 do {
853 hci_read1(HCI_SYSTEM_EVENT, &value, &hci_result);
854 if (hci_result == HCI_SUCCESS) {
855 if (value == 0x100)
856 continue;
857 /* act on key press; ignore key release */
858 if (value & 0x80)
859 continue;
860
861 if (!sparse_keymap_report_event(toshiba_acpi.hotkey_dev,
862 value, 1, true)) {
863 pr_info("Unknown key %x\n",
864 value);
865 }
866 } else if (hci_result == HCI_NOT_SUPPORTED) {
867 /* This is a workaround for an unresolved issue on
868 * some machines where system events sporadically
869 * become disabled. */
870 hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
871 pr_notice("Re-enabled hotkeys\n");
872 }
873 } while (hci_result != HCI_EMPTY);
874}
875
876static int __init toshiba_acpi_setup_keyboard(char *device)
877{
878 acpi_status status;
879 int error;
880
881 status = acpi_get_handle(NULL, device, &toshiba_acpi.handle);
882 if (ACPI_FAILURE(status)) {
883 pr_info("Unable to get notification device\n");
884 return -ENODEV;
885 }
886
887 toshiba_acpi.hotkey_dev = input_allocate_device();
888 if (!toshiba_acpi.hotkey_dev) {
889 pr_info("Unable to register input device\n");
890 return -ENOMEM;
891 }
892
893 toshiba_acpi.hotkey_dev->name = "Toshiba input device";
894 toshiba_acpi.hotkey_dev->phys = device;
895 toshiba_acpi.hotkey_dev->id.bustype = BUS_HOST;
896
897 error = sparse_keymap_setup(toshiba_acpi.hotkey_dev,
898 toshiba_acpi_keymap, NULL);
899 if (error)
900 goto err_free_dev;
901
902 status = acpi_install_notify_handler(toshiba_acpi.handle,
903 ACPI_DEVICE_NOTIFY, toshiba_acpi_notify, NULL);
904 if (ACPI_FAILURE(status)) {
905 pr_info("Unable to install hotkey notification\n");
906 error = -ENODEV;
907 goto err_free_keymap;
908 }
909
910 status = acpi_evaluate_object(toshiba_acpi.handle, "ENAB", NULL, NULL);
911 if (ACPI_FAILURE(status)) {
912 pr_info("Unable to enable hotkeys\n");
913 error = -ENODEV;
914 goto err_remove_notify;
915 }
916
917 error = input_register_device(toshiba_acpi.hotkey_dev);
918 if (error) {
919 pr_info("Unable to register input device\n");
920 goto err_remove_notify;
921 }
922
923 return 0;
924
925 err_remove_notify:
926 acpi_remove_notify_handler(toshiba_acpi.handle,
927 ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
928 err_free_keymap:
929 sparse_keymap_free(toshiba_acpi.hotkey_dev);
930 err_free_dev:
931 input_free_device(toshiba_acpi.hotkey_dev);
932 toshiba_acpi.hotkey_dev = NULL;
933 return error;
934}
935
936static void toshiba_acpi_exit(void)
937{
938 if (toshiba_acpi.hotkey_dev) {
939 acpi_remove_notify_handler(toshiba_acpi.handle,
940 ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
941 sparse_keymap_free(toshiba_acpi.hotkey_dev);
942 input_unregister_device(toshiba_acpi.hotkey_dev);
943 }
944
945 if (toshiba_acpi.bt_rfk) {
946 rfkill_unregister(toshiba_acpi.bt_rfk);
947 rfkill_destroy(toshiba_acpi.bt_rfk);
948 }
949
950 if (toshiba_backlight_device)
951 backlight_device_unregister(toshiba_backlight_device);
952
953 remove_toshiba_proc_entries();
954
955 if (toshiba_proc_dir)
956 remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
957
958 if (toshiba_acpi.illumination_installed)
959 led_classdev_unregister(&toshiba_led);
960
961 platform_device_unregister(toshiba_acpi.p_dev);
962
963 return;
964}
965
966static int __init toshiba_acpi_init(void)
967{
968 u32 hci_result;
969 bool bt_present;
970 int ret = 0;
971 struct backlight_properties props;
972
973 if (acpi_disabled)
974 return -ENODEV;
975
976 /* simple device detection: look for HCI method */
977 if (is_valid_acpi_path(TOSH_INTERFACE_1 GHCI_METHOD)) {
978 method_hci = TOSH_INTERFACE_1 GHCI_METHOD;
979 if (toshiba_acpi_setup_keyboard(TOSH_INTERFACE_1))
980 pr_info("Unable to activate hotkeys\n");
981 } else if (is_valid_acpi_path(TOSH_INTERFACE_2 GHCI_METHOD)) {
982 method_hci = TOSH_INTERFACE_2 GHCI_METHOD;
983 if (toshiba_acpi_setup_keyboard(TOSH_INTERFACE_2))
984 pr_info("Unable to activate hotkeys\n");
985 } else
986 return -ENODEV;
987
988 pr_info("Toshiba Laptop ACPI Extras version %s\n",
989 TOSHIBA_ACPI_VERSION);
990 pr_info(" HCI method: %s\n", method_hci);
991
992 mutex_init(&toshiba_acpi.mutex);
993
994 toshiba_acpi.p_dev = platform_device_register_simple("toshiba_acpi",
995 -1, NULL, 0);
996 if (IS_ERR(toshiba_acpi.p_dev)) {
997 ret = PTR_ERR(toshiba_acpi.p_dev);
998 pr_err("unable to register platform device\n");
999 toshiba_acpi.p_dev = NULL;
1000 toshiba_acpi_exit();
1001 return ret;
1002 }
1003
1004 force_fan = 0;
1005 key_event_valid = 0;
1006
1007 /* enable event fifo */
1008 hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
1009
1010 toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
1011 if (!toshiba_proc_dir) {
1012 toshiba_acpi_exit();
1013 return -ENODEV;
1014 } else {
1015 create_toshiba_proc_entries();
1016 }
1017
1018 props.type = BACKLIGHT_PLATFORM;
1019 props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
1020 toshiba_backlight_device = backlight_device_register("toshiba",
1021 &toshiba_acpi.p_dev->dev,
1022 NULL,
1023 &toshiba_backlight_data,
1024 &props);
1025 if (IS_ERR(toshiba_backlight_device)) {
1026 ret = PTR_ERR(toshiba_backlight_device);
1027
1028 pr_err("Could not register toshiba backlight device\n");
1029 toshiba_backlight_device = NULL;
1030 toshiba_acpi_exit();
1031 return ret;
1032 }
1033
1034 /* Register rfkill switch for Bluetooth */
1035 if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) {
1036 toshiba_acpi.bt_rfk = rfkill_alloc(toshiba_acpi.bt_name,
1037 &toshiba_acpi.p_dev->dev,
1038 RFKILL_TYPE_BLUETOOTH,
1039 &toshiba_rfk_ops,
1040 &toshiba_acpi);
1041 if (!toshiba_acpi.bt_rfk) {
1042 pr_err("unable to allocate rfkill device\n");
1043 toshiba_acpi_exit();
1044 return -ENOMEM;
1045 }
1046
1047 ret = rfkill_register(toshiba_acpi.bt_rfk);
1048 if (ret) {
1049 pr_err("unable to register rfkill device\n");
1050 rfkill_destroy(toshiba_acpi.bt_rfk);
1051 toshiba_acpi_exit();
1052 return ret;
1053 }
1054 }
1055
1056 toshiba_acpi.illumination_installed = 0;
1057 if (toshiba_illumination_available()) {
1058 if (!led_classdev_register(&(toshiba_acpi.p_dev->dev),
1059 &toshiba_led))
1060 toshiba_acpi.illumination_installed = 1;
1061 }
1062
1063 return 0;
1064}
1065
1066module_init(toshiba_acpi_init);
1067module_exit(toshiba_acpi_exit);
1/*
2 * toshiba_acpi.c - Toshiba Laptop ACPI Extras
3 *
4 * Copyright (C) 2002-2004 John Belmonte
5 * Copyright (C) 2008 Philip Langdale
6 * Copyright (C) 2010 Pierre Ducroquet
7 * Copyright (C) 2014-2015 Azael Avalos
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 *
22 * The devolpment page for this driver is located at
23 * http://memebeam.org/toys/ToshibaAcpiDriver.
24 *
25 * Credits:
26 * Jonathan A. Buzzard - Toshiba HCI info, and critical tips on reverse
27 * engineering the Windows drivers
28 * Yasushi Nagato - changes for linux kernel 2.4 -> 2.5
29 * Rob Miller - TV out and hotkeys help
30 */
31
32#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
33
34#define TOSHIBA_ACPI_VERSION "0.23"
35#define PROC_INTERFACE_VERSION 1
36
37#include <linux/kernel.h>
38#include <linux/module.h>
39#include <linux/moduleparam.h>
40#include <linux/init.h>
41#include <linux/types.h>
42#include <linux/proc_fs.h>
43#include <linux/seq_file.h>
44#include <linux/backlight.h>
45#include <linux/input.h>
46#include <linux/input/sparse-keymap.h>
47#include <linux/leds.h>
48#include <linux/slab.h>
49#include <linux/workqueue.h>
50#include <linux/i8042.h>
51#include <linux/acpi.h>
52#include <linux/dmi.h>
53#include <linux/uaccess.h>
54#include <linux/miscdevice.h>
55#include <linux/rfkill.h>
56#include <linux/toshiba.h>
57#include <acpi/video.h>
58
59MODULE_AUTHOR("John Belmonte");
60MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
61MODULE_LICENSE("GPL");
62
63#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
64
65/* Scan code for Fn key on TOS1900 models */
66#define TOS1900_FN_SCAN 0x6e
67
68/* Toshiba ACPI method paths */
69#define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX"
70
71/*
72 * The Toshiba configuration interface is composed of the HCI and the SCI,
73 * which are defined as follows:
74 *
75 * HCI is Toshiba's "Hardware Control Interface" which is supposed to
76 * be uniform across all their models. Ideally we would just call
77 * dedicated ACPI methods instead of using this primitive interface.
78 * However the ACPI methods seem to be incomplete in some areas (for
79 * example they allow setting, but not reading, the LCD brightness value),
80 * so this is still useful.
81 *
82 * SCI stands for "System Configuration Interface" which aim is to
83 * conceal differences in hardware between different models.
84 */
85
86#define TCI_WORDS 6
87
88/* Operations */
89#define HCI_SET 0xff00
90#define HCI_GET 0xfe00
91#define SCI_OPEN 0xf100
92#define SCI_CLOSE 0xf200
93#define SCI_GET 0xf300
94#define SCI_SET 0xf400
95
96/* Return codes */
97#define TOS_SUCCESS 0x0000
98#define TOS_SUCCESS2 0x0001
99#define TOS_OPEN_CLOSE_OK 0x0044
100#define TOS_FAILURE 0x1000
101#define TOS_NOT_SUPPORTED 0x8000
102#define TOS_ALREADY_OPEN 0x8100
103#define TOS_NOT_OPENED 0x8200
104#define TOS_INPUT_DATA_ERROR 0x8300
105#define TOS_WRITE_PROTECTED 0x8400
106#define TOS_NOT_PRESENT 0x8600
107#define TOS_FIFO_EMPTY 0x8c00
108#define TOS_DATA_NOT_AVAILABLE 0x8d20
109#define TOS_NOT_INITIALIZED 0x8d50
110#define TOS_NOT_INSTALLED 0x8e00
111
112/* Registers */
113#define HCI_FAN 0x0004
114#define HCI_TR_BACKLIGHT 0x0005
115#define HCI_SYSTEM_EVENT 0x0016
116#define HCI_VIDEO_OUT 0x001c
117#define HCI_HOTKEY_EVENT 0x001e
118#define HCI_LCD_BRIGHTNESS 0x002a
119#define HCI_WIRELESS 0x0056
120#define HCI_ACCELEROMETER 0x006d
121#define HCI_COOLING_METHOD 0x007f
122#define HCI_KBD_ILLUMINATION 0x0095
123#define HCI_ECO_MODE 0x0097
124#define HCI_ACCELEROMETER2 0x00a6
125#define HCI_SYSTEM_INFO 0xc000
126#define SCI_PANEL_POWER_ON 0x010d
127#define SCI_ILLUMINATION 0x014e
128#define SCI_USB_SLEEP_CHARGE 0x0150
129#define SCI_KBD_ILLUM_STATUS 0x015c
130#define SCI_USB_SLEEP_MUSIC 0x015e
131#define SCI_USB_THREE 0x0169
132#define SCI_TOUCHPAD 0x050e
133#define SCI_KBD_FUNCTION_KEYS 0x0522
134
135/* Field definitions */
136#define HCI_ACCEL_MASK 0x7fff
137#define HCI_HOTKEY_DISABLE 0x0b
138#define HCI_HOTKEY_ENABLE 0x09
139#define HCI_HOTKEY_SPECIAL_FUNCTIONS 0x10
140#define HCI_LCD_BRIGHTNESS_BITS 3
141#define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS)
142#define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS)
143#define HCI_MISC_SHIFT 0x10
144#define HCI_SYSTEM_TYPE1 0x10
145#define HCI_SYSTEM_TYPE2 0x11
146#define HCI_VIDEO_OUT_LCD 0x1
147#define HCI_VIDEO_OUT_CRT 0x2
148#define HCI_VIDEO_OUT_TV 0x4
149#define SCI_KBD_MODE_MASK 0x1f
150#define SCI_KBD_MODE_FNZ 0x1
151#define SCI_KBD_MODE_AUTO 0x2
152#define SCI_KBD_MODE_ON 0x8
153#define SCI_KBD_MODE_OFF 0x10
154#define SCI_KBD_TIME_MAX 0x3c001a
155#define HCI_WIRELESS_STATUS 0x1
156#define HCI_WIRELESS_WWAN 0x3
157#define HCI_WIRELESS_WWAN_STATUS 0x2000
158#define HCI_WIRELESS_WWAN_POWER 0x4000
159#define SCI_USB_CHARGE_MODE_MASK 0xff
160#define SCI_USB_CHARGE_DISABLED 0x00
161#define SCI_USB_CHARGE_ALTERNATE 0x09
162#define SCI_USB_CHARGE_TYPICAL 0x11
163#define SCI_USB_CHARGE_AUTO 0x21
164#define SCI_USB_CHARGE_BAT_MASK 0x7
165#define SCI_USB_CHARGE_BAT_LVL_OFF 0x1
166#define SCI_USB_CHARGE_BAT_LVL_ON 0x4
167#define SCI_USB_CHARGE_BAT_LVL 0x0200
168#define SCI_USB_CHARGE_RAPID_DSP 0x0300
169
170struct toshiba_acpi_dev {
171 struct acpi_device *acpi_dev;
172 const char *method_hci;
173 struct input_dev *hotkey_dev;
174 struct work_struct hotkey_work;
175 struct backlight_device *backlight_dev;
176 struct led_classdev led_dev;
177 struct led_classdev kbd_led;
178 struct led_classdev eco_led;
179 struct miscdevice miscdev;
180 struct rfkill *wwan_rfk;
181
182 int force_fan;
183 int last_key_event;
184 int key_event_valid;
185 int kbd_type;
186 int kbd_mode;
187 int kbd_time;
188 int usbsc_bat_level;
189 int usbsc_mode_base;
190 int hotkey_event_type;
191 int max_cooling_method;
192
193 unsigned int illumination_supported:1;
194 unsigned int video_supported:1;
195 unsigned int fan_supported:1;
196 unsigned int system_event_supported:1;
197 unsigned int ntfy_supported:1;
198 unsigned int info_supported:1;
199 unsigned int tr_backlight_supported:1;
200 unsigned int kbd_illum_supported:1;
201 unsigned int touchpad_supported:1;
202 unsigned int eco_supported:1;
203 unsigned int accelerometer_supported:1;
204 unsigned int usb_sleep_charge_supported:1;
205 unsigned int usb_rapid_charge_supported:1;
206 unsigned int usb_sleep_music_supported:1;
207 unsigned int kbd_function_keys_supported:1;
208 unsigned int panel_power_on_supported:1;
209 unsigned int usb_three_supported:1;
210 unsigned int wwan_supported:1;
211 unsigned int cooling_method_supported:1;
212 unsigned int sysfs_created:1;
213 unsigned int special_functions;
214
215 bool kbd_event_generated;
216 bool kbd_led_registered;
217 bool illumination_led_registered;
218 bool eco_led_registered;
219 bool killswitch;
220};
221
222static struct toshiba_acpi_dev *toshiba_acpi;
223
224static bool disable_hotkeys;
225module_param(disable_hotkeys, bool, 0444);
226MODULE_PARM_DESC(disable_hotkeys, "Disables the hotkeys activation");
227
228static const struct acpi_device_id toshiba_device_ids[] = {
229 {"TOS6200", 0},
230 {"TOS6207", 0},
231 {"TOS6208", 0},
232 {"TOS1900", 0},
233 {"", 0},
234};
235MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
236
237static const struct key_entry toshiba_acpi_keymap[] = {
238 { KE_KEY, 0x9e, { KEY_RFKILL } },
239 { KE_KEY, 0x101, { KEY_MUTE } },
240 { KE_KEY, 0x102, { KEY_ZOOMOUT } },
241 { KE_KEY, 0x103, { KEY_ZOOMIN } },
242 { KE_KEY, 0x10f, { KEY_TAB } },
243 { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } },
244 { KE_KEY, 0x139, { KEY_ZOOMRESET } },
245 { KE_KEY, 0x13b, { KEY_COFFEE } },
246 { KE_KEY, 0x13c, { KEY_BATTERY } },
247 { KE_KEY, 0x13d, { KEY_SLEEP } },
248 { KE_KEY, 0x13e, { KEY_SUSPEND } },
249 { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } },
250 { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
251 { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
252 { KE_KEY, 0x142, { KEY_WLAN } },
253 { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } },
254 { KE_KEY, 0x17f, { KEY_FN } },
255 { KE_KEY, 0xb05, { KEY_PROG2 } },
256 { KE_KEY, 0xb06, { KEY_WWW } },
257 { KE_KEY, 0xb07, { KEY_MAIL } },
258 { KE_KEY, 0xb30, { KEY_STOP } },
259 { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } },
260 { KE_KEY, 0xb32, { KEY_NEXTSONG } },
261 { KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
262 { KE_KEY, 0xb5a, { KEY_MEDIA } },
263 { KE_IGNORE, 0x1430, { KEY_RESERVED } }, /* Wake from sleep */
264 { KE_IGNORE, 0x1501, { KEY_RESERVED } }, /* Output changed */
265 { KE_IGNORE, 0x1502, { KEY_RESERVED } }, /* HDMI plugged/unplugged */
266 { KE_IGNORE, 0x1ABE, { KEY_RESERVED } }, /* Protection level set */
267 { KE_IGNORE, 0x1ABF, { KEY_RESERVED } }, /* Protection level off */
268 { KE_END, 0 },
269};
270
271static const struct key_entry toshiba_acpi_alt_keymap[] = {
272 { KE_KEY, 0x102, { KEY_ZOOMOUT } },
273 { KE_KEY, 0x103, { KEY_ZOOMIN } },
274 { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } },
275 { KE_KEY, 0x139, { KEY_ZOOMRESET } },
276 { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } },
277 { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } },
278 { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } },
279 { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } },
280 { KE_KEY, 0x157, { KEY_MUTE } },
281 { KE_KEY, 0x158, { KEY_WLAN } },
282 { KE_END, 0 },
283};
284
285/*
286 * List of models which have a broken acpi-video backlight interface and thus
287 * need to use the toshiba (vendor) interface instead.
288 */
289static const struct dmi_system_id toshiba_vendor_backlight_dmi[] = {
290 {}
291};
292
293/*
294 * Utility
295 */
296
297static inline void _set_bit(u32 *word, u32 mask, int value)
298{
299 *word = (*word & ~mask) | (mask * value);
300}
301
302/*
303 * ACPI interface wrappers
304 */
305
306static int write_acpi_int(const char *methodName, int val)
307{
308 acpi_status status;
309
310 status = acpi_execute_simple_method(NULL, (char *)methodName, val);
311 return (status == AE_OK) ? 0 : -EIO;
312}
313
314/*
315 * Perform a raw configuration call. Here we don't care about input or output
316 * buffer format.
317 */
318static acpi_status tci_raw(struct toshiba_acpi_dev *dev,
319 const u32 in[TCI_WORDS], u32 out[TCI_WORDS])
320{
321 struct acpi_object_list params;
322 union acpi_object in_objs[TCI_WORDS];
323 struct acpi_buffer results;
324 union acpi_object out_objs[TCI_WORDS + 1];
325 acpi_status status;
326 int i;
327
328 params.count = TCI_WORDS;
329 params.pointer = in_objs;
330 for (i = 0; i < TCI_WORDS; ++i) {
331 in_objs[i].type = ACPI_TYPE_INTEGER;
332 in_objs[i].integer.value = in[i];
333 }
334
335 results.length = sizeof(out_objs);
336 results.pointer = out_objs;
337
338 status = acpi_evaluate_object(dev->acpi_dev->handle,
339 (char *)dev->method_hci, ¶ms,
340 &results);
341 if ((status == AE_OK) && (out_objs->package.count <= TCI_WORDS)) {
342 for (i = 0; i < out_objs->package.count; ++i)
343 out[i] = out_objs->package.elements[i].integer.value;
344 }
345
346 return status;
347}
348
349/*
350 * Common hci tasks
351 *
352 * In addition to the ACPI status, the HCI system returns a result which
353 * may be useful (such as "not supported").
354 */
355
356static u32 hci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1)
357{
358 u32 in[TCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 };
359 u32 out[TCI_WORDS];
360 acpi_status status = tci_raw(dev, in, out);
361
362 return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE;
363}
364
365static u32 hci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1)
366{
367 u32 in[TCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 };
368 u32 out[TCI_WORDS];
369 acpi_status status = tci_raw(dev, in, out);
370
371 if (ACPI_FAILURE(status))
372 return TOS_FAILURE;
373
374 *out1 = out[2];
375
376 return out[0];
377}
378
379/*
380 * Common sci tasks
381 */
382
383static int sci_open(struct toshiba_acpi_dev *dev)
384{
385 u32 in[TCI_WORDS] = { SCI_OPEN, 0, 0, 0, 0, 0 };
386 u32 out[TCI_WORDS];
387 acpi_status status;
388
389 status = tci_raw(dev, in, out);
390 if (ACPI_FAILURE(status)) {
391 pr_err("ACPI call to open SCI failed\n");
392 return 0;
393 }
394
395 if (out[0] == TOS_OPEN_CLOSE_OK) {
396 return 1;
397 } else if (out[0] == TOS_ALREADY_OPEN) {
398 pr_info("Toshiba SCI already opened\n");
399 return 1;
400 } else if (out[0] == TOS_NOT_SUPPORTED) {
401 /*
402 * Some BIOSes do not have the SCI open/close functions
403 * implemented and return 0x8000 (Not Supported), failing to
404 * register some supported features.
405 *
406 * Simply return 1 if we hit those affected laptops to make the
407 * supported features work.
408 *
409 * In the case that some laptops really do not support the SCI,
410 * all the SCI dependent functions check for TOS_NOT_SUPPORTED,
411 * and thus, not registering support for the queried feature.
412 */
413 return 1;
414 } else if (out[0] == TOS_NOT_PRESENT) {
415 pr_info("Toshiba SCI is not present\n");
416 }
417
418 return 0;
419}
420
421static void sci_close(struct toshiba_acpi_dev *dev)
422{
423 u32 in[TCI_WORDS] = { SCI_CLOSE, 0, 0, 0, 0, 0 };
424 u32 out[TCI_WORDS];
425 acpi_status status;
426
427 status = tci_raw(dev, in, out);
428 if (ACPI_FAILURE(status)) {
429 pr_err("ACPI call to close SCI failed\n");
430 return;
431 }
432
433 if (out[0] == TOS_OPEN_CLOSE_OK)
434 return;
435 else if (out[0] == TOS_NOT_OPENED)
436 pr_info("Toshiba SCI not opened\n");
437 else if (out[0] == TOS_NOT_PRESENT)
438 pr_info("Toshiba SCI is not present\n");
439}
440
441static u32 sci_read(struct toshiba_acpi_dev *dev, u32 reg, u32 *out1)
442{
443 u32 in[TCI_WORDS] = { SCI_GET, reg, 0, 0, 0, 0 };
444 u32 out[TCI_WORDS];
445 acpi_status status = tci_raw(dev, in, out);
446
447 if (ACPI_FAILURE(status))
448 return TOS_FAILURE;
449
450 *out1 = out[2];
451
452 return out[0];
453}
454
455static u32 sci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1)
456{
457 u32 in[TCI_WORDS] = { SCI_SET, reg, in1, 0, 0, 0 };
458 u32 out[TCI_WORDS];
459 acpi_status status = tci_raw(dev, in, out);
460
461 return ACPI_SUCCESS(status) ? out[0] : TOS_FAILURE;
462}
463
464/* Illumination support */
465static void toshiba_illumination_available(struct toshiba_acpi_dev *dev)
466{
467 u32 in[TCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 };
468 u32 out[TCI_WORDS];
469 acpi_status status;
470
471 dev->illumination_supported = 0;
472 dev->illumination_led_registered = false;
473
474 if (!sci_open(dev))
475 return;
476
477 status = tci_raw(dev, in, out);
478 sci_close(dev);
479 if (ACPI_FAILURE(status))
480 pr_err("ACPI call to query Illumination support failed\n");
481 else if (out[0] == TOS_SUCCESS)
482 dev->illumination_supported = 1;
483}
484
485static void toshiba_illumination_set(struct led_classdev *cdev,
486 enum led_brightness brightness)
487{
488 struct toshiba_acpi_dev *dev = container_of(cdev,
489 struct toshiba_acpi_dev, led_dev);
490 u32 result;
491 u32 state;
492
493 /* First request : initialize communication. */
494 if (!sci_open(dev))
495 return;
496
497 /* Switch the illumination on/off */
498 state = brightness ? 1 : 0;
499 result = sci_write(dev, SCI_ILLUMINATION, state);
500 sci_close(dev);
501 if (result == TOS_FAILURE)
502 pr_err("ACPI call for illumination failed\n");
503}
504
505static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev)
506{
507 struct toshiba_acpi_dev *dev = container_of(cdev,
508 struct toshiba_acpi_dev, led_dev);
509 u32 state, result;
510
511 /* First request : initialize communication. */
512 if (!sci_open(dev))
513 return LED_OFF;
514
515 /* Check the illumination */
516 result = sci_read(dev, SCI_ILLUMINATION, &state);
517 sci_close(dev);
518 if (result == TOS_FAILURE) {
519 pr_err("ACPI call for illumination failed\n");
520 return LED_OFF;
521 } else if (result != TOS_SUCCESS) {
522 return LED_OFF;
523 }
524
525 return state ? LED_FULL : LED_OFF;
526}
527
528/* KBD Illumination */
529static void toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev)
530{
531 u32 in[TCI_WORDS] = { SCI_GET, SCI_KBD_ILLUM_STATUS, 0, 0, 0, 0 };
532 u32 out[TCI_WORDS];
533 acpi_status status;
534
535 dev->kbd_illum_supported = 0;
536 dev->kbd_led_registered = false;
537 dev->kbd_event_generated = false;
538
539 if (!sci_open(dev))
540 return;
541
542 status = tci_raw(dev, in, out);
543 sci_close(dev);
544 if (ACPI_FAILURE(status)) {
545 pr_err("ACPI call to query kbd illumination support failed\n");
546 } else if (out[0] == TOS_SUCCESS) {
547 /*
548 * Check for keyboard backlight timeout max value,
549 * previous kbd backlight implementation set this to
550 * 0x3c0003, and now the new implementation set this
551 * to 0x3c001a, use this to distinguish between them.
552 */
553 if (out[3] == SCI_KBD_TIME_MAX)
554 dev->kbd_type = 2;
555 else
556 dev->kbd_type = 1;
557 /* Get the current keyboard backlight mode */
558 dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK;
559 /* Get the current time (1-60 seconds) */
560 dev->kbd_time = out[2] >> HCI_MISC_SHIFT;
561 /* Flag as supported */
562 dev->kbd_illum_supported = 1;
563 }
564}
565
566static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time)
567{
568 u32 result;
569
570 if (!sci_open(dev))
571 return -EIO;
572
573 result = sci_write(dev, SCI_KBD_ILLUM_STATUS, time);
574 sci_close(dev);
575 if (result == TOS_FAILURE)
576 pr_err("ACPI call to set KBD backlight status failed\n");
577 else if (result == TOS_NOT_SUPPORTED)
578 return -ENODEV;
579
580 return result == TOS_SUCCESS ? 0 : -EIO;
581}
582
583static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time)
584{
585 u32 result;
586
587 if (!sci_open(dev))
588 return -EIO;
589
590 result = sci_read(dev, SCI_KBD_ILLUM_STATUS, time);
591 sci_close(dev);
592 if (result == TOS_FAILURE)
593 pr_err("ACPI call to get KBD backlight status failed\n");
594 else if (result == TOS_NOT_SUPPORTED)
595 return -ENODEV;
596
597 return result == TOS_SUCCESS ? 0 : -EIO;
598}
599
600static enum led_brightness toshiba_kbd_backlight_get(struct led_classdev *cdev)
601{
602 struct toshiba_acpi_dev *dev = container_of(cdev,
603 struct toshiba_acpi_dev, kbd_led);
604 u32 result;
605 u32 state;
606
607 /* Check the keyboard backlight state */
608 result = hci_read(dev, HCI_KBD_ILLUMINATION, &state);
609 if (result == TOS_FAILURE) {
610 pr_err("ACPI call to get the keyboard backlight failed\n");
611 return LED_OFF;
612 } else if (result != TOS_SUCCESS) {
613 return LED_OFF;
614 }
615
616 return state ? LED_FULL : LED_OFF;
617}
618
619static void toshiba_kbd_backlight_set(struct led_classdev *cdev,
620 enum led_brightness brightness)
621{
622 struct toshiba_acpi_dev *dev = container_of(cdev,
623 struct toshiba_acpi_dev, kbd_led);
624 u32 result;
625 u32 state;
626
627 /* Set the keyboard backlight state */
628 state = brightness ? 1 : 0;
629 result = hci_write(dev, HCI_KBD_ILLUMINATION, state);
630 if (result == TOS_FAILURE)
631 pr_err("ACPI call to set KBD Illumination mode failed\n");
632}
633
634/* TouchPad support */
635static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state)
636{
637 u32 result;
638
639 if (!sci_open(dev))
640 return -EIO;
641
642 result = sci_write(dev, SCI_TOUCHPAD, state);
643 sci_close(dev);
644 if (result == TOS_FAILURE)
645 pr_err("ACPI call to set the touchpad failed\n");
646 else if (result == TOS_NOT_SUPPORTED)
647 return -ENODEV;
648
649 return result == TOS_SUCCESS ? 0 : -EIO;
650}
651
652static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state)
653{
654 u32 result;
655
656 if (!sci_open(dev))
657 return -EIO;
658
659 result = sci_read(dev, SCI_TOUCHPAD, state);
660 sci_close(dev);
661 if (result == TOS_FAILURE)
662 pr_err("ACPI call to query the touchpad failed\n");
663 else if (result == TOS_NOT_SUPPORTED)
664 return -ENODEV;
665
666 return result == TOS_SUCCESS ? 0 : -EIO;
667}
668
669/* Eco Mode support */
670static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev)
671{
672 acpi_status status;
673 u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 0, 0, 0 };
674 u32 out[TCI_WORDS];
675
676 dev->eco_supported = 0;
677 dev->eco_led_registered = false;
678
679 status = tci_raw(dev, in, out);
680 if (ACPI_FAILURE(status)) {
681 pr_err("ACPI call to get ECO led failed\n");
682 } else if (out[0] == TOS_INPUT_DATA_ERROR) {
683 /*
684 * If we receive 0x8300 (Input Data Error), it means that the
685 * LED device is present, but that we just screwed the input
686 * parameters.
687 *
688 * Let's query the status of the LED to see if we really have a
689 * success response, indicating the actual presense of the LED,
690 * bail out otherwise.
691 */
692 in[3] = 1;
693 status = tci_raw(dev, in, out);
694 if (ACPI_FAILURE(status))
695 pr_err("ACPI call to get ECO led failed\n");
696 else if (out[0] == TOS_SUCCESS)
697 dev->eco_supported = 1;
698 }
699}
700
701static enum led_brightness
702toshiba_eco_mode_get_status(struct led_classdev *cdev)
703{
704 struct toshiba_acpi_dev *dev = container_of(cdev,
705 struct toshiba_acpi_dev, eco_led);
706 u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 };
707 u32 out[TCI_WORDS];
708 acpi_status status;
709
710 status = tci_raw(dev, in, out);
711 if (ACPI_FAILURE(status)) {
712 pr_err("ACPI call to get ECO led failed\n");
713 return LED_OFF;
714 } else if (out[0] != TOS_SUCCESS) {
715 return LED_OFF;
716 }
717
718 return out[2] ? LED_FULL : LED_OFF;
719}
720
721static void toshiba_eco_mode_set_status(struct led_classdev *cdev,
722 enum led_brightness brightness)
723{
724 struct toshiba_acpi_dev *dev = container_of(cdev,
725 struct toshiba_acpi_dev, eco_led);
726 u32 in[TCI_WORDS] = { HCI_SET, HCI_ECO_MODE, 0, 1, 0, 0 };
727 u32 out[TCI_WORDS];
728 acpi_status status;
729
730 /* Switch the Eco Mode led on/off */
731 in[2] = (brightness) ? 1 : 0;
732 status = tci_raw(dev, in, out);
733 if (ACPI_FAILURE(status))
734 pr_err("ACPI call to set ECO led failed\n");
735}
736
737/* Accelerometer support */
738static void toshiba_accelerometer_available(struct toshiba_acpi_dev *dev)
739{
740 u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 };
741 u32 out[TCI_WORDS];
742 acpi_status status;
743
744 dev->accelerometer_supported = 0;
745
746 /*
747 * Check if the accelerometer call exists,
748 * this call also serves as initialization
749 */
750 status = tci_raw(dev, in, out);
751 if (ACPI_FAILURE(status))
752 pr_err("ACPI call to query the accelerometer failed\n");
753 else if (out[0] == TOS_SUCCESS)
754 dev->accelerometer_supported = 1;
755}
756
757static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev,
758 u32 *xy, u32 *z)
759{
760 u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 };
761 u32 out[TCI_WORDS];
762 acpi_status status;
763
764 /* Check the Accelerometer status */
765 status = tci_raw(dev, in, out);
766 if (ACPI_FAILURE(status)) {
767 pr_err("ACPI call to query the accelerometer failed\n");
768 return -EIO;
769 } else if (out[0] == TOS_NOT_SUPPORTED) {
770 return -ENODEV;
771 } else if (out[0] == TOS_SUCCESS) {
772 *xy = out[2];
773 *z = out[4];
774 return 0;
775 }
776
777 return -EIO;
778}
779
780/* Sleep (Charge and Music) utilities support */
781static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev)
782{
783 u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
784 u32 out[TCI_WORDS];
785 acpi_status status;
786
787 dev->usb_sleep_charge_supported = 0;
788
789 if (!sci_open(dev))
790 return;
791
792 status = tci_raw(dev, in, out);
793 if (ACPI_FAILURE(status)) {
794 pr_err("ACPI call to get USB Sleep and Charge mode failed\n");
795 sci_close(dev);
796 return;
797 } else if (out[0] == TOS_NOT_SUPPORTED) {
798 sci_close(dev);
799 return;
800 } else if (out[0] == TOS_SUCCESS) {
801 dev->usbsc_mode_base = out[4];
802 }
803
804 in[5] = SCI_USB_CHARGE_BAT_LVL;
805 status = tci_raw(dev, in, out);
806 sci_close(dev);
807 if (ACPI_FAILURE(status)) {
808 pr_err("ACPI call to get USB Sleep and Charge mode failed\n");
809 } else if (out[0] == TOS_SUCCESS) {
810 dev->usbsc_bat_level = out[2];
811 /* Flag as supported */
812 dev->usb_sleep_charge_supported = 1;
813 }
814
815}
816
817static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev,
818 u32 *mode)
819{
820 u32 result;
821
822 if (!sci_open(dev))
823 return -EIO;
824
825 result = sci_read(dev, SCI_USB_SLEEP_CHARGE, mode);
826 sci_close(dev);
827 if (result == TOS_FAILURE)
828 pr_err("ACPI call to set USB S&C mode failed\n");
829 else if (result == TOS_NOT_SUPPORTED)
830 return -ENODEV;
831
832 return result == TOS_SUCCESS ? 0 : -EIO;
833}
834
835static int toshiba_usb_sleep_charge_set(struct toshiba_acpi_dev *dev,
836 u32 mode)
837{
838 u32 result;
839
840 if (!sci_open(dev))
841 return -EIO;
842
843 result = sci_write(dev, SCI_USB_SLEEP_CHARGE, mode);
844 sci_close(dev);
845 if (result == TOS_FAILURE)
846 pr_err("ACPI call to set USB S&C mode failed\n");
847 else if (result == TOS_NOT_SUPPORTED)
848 return -ENODEV;
849
850 return result == TOS_SUCCESS ? 0 : -EIO;
851}
852
853static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev,
854 u32 *mode)
855{
856 u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
857 u32 out[TCI_WORDS];
858 acpi_status status;
859
860 if (!sci_open(dev))
861 return -EIO;
862
863 in[5] = SCI_USB_CHARGE_BAT_LVL;
864 status = tci_raw(dev, in, out);
865 sci_close(dev);
866 if (ACPI_FAILURE(status)) {
867 pr_err("ACPI call to get USB S&C battery level failed\n");
868 } else if (out[0] == TOS_NOT_SUPPORTED) {
869 return -ENODEV;
870 } else if (out[0] == TOS_SUCCESS) {
871 *mode = out[2];
872 return 0;
873 }
874
875 return -EIO;
876}
877
878static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev,
879 u32 mode)
880{
881 u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
882 u32 out[TCI_WORDS];
883 acpi_status status;
884
885 if (!sci_open(dev))
886 return -EIO;
887
888 in[2] = mode;
889 in[5] = SCI_USB_CHARGE_BAT_LVL;
890 status = tci_raw(dev, in, out);
891 sci_close(dev);
892 if (ACPI_FAILURE(status))
893 pr_err("ACPI call to set USB S&C battery level failed\n");
894 else if (out[0] == TOS_NOT_SUPPORTED)
895 return -ENODEV;
896
897 return out[0] == TOS_SUCCESS ? 0 : -EIO;
898}
899
900static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev,
901 u32 *state)
902{
903 u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
904 u32 out[TCI_WORDS];
905 acpi_status status;
906
907 if (!sci_open(dev))
908 return -EIO;
909
910 in[5] = SCI_USB_CHARGE_RAPID_DSP;
911 status = tci_raw(dev, in, out);
912 sci_close(dev);
913 if (ACPI_FAILURE(status)) {
914 pr_err("ACPI call to get USB Rapid Charge failed\n");
915 } else if (out[0] == TOS_NOT_SUPPORTED) {
916 return -ENODEV;
917 } else if (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) {
918 *state = out[2];
919 return 0;
920 }
921
922 return -EIO;
923}
924
925static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev,
926 u32 state)
927{
928 u32 in[TCI_WORDS] = { SCI_SET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 };
929 u32 out[TCI_WORDS];
930 acpi_status status;
931
932 if (!sci_open(dev))
933 return -EIO;
934
935 in[2] = state;
936 in[5] = SCI_USB_CHARGE_RAPID_DSP;
937 status = tci_raw(dev, in, out);
938 sci_close(dev);
939 if (ACPI_FAILURE(status))
940 pr_err("ACPI call to set USB Rapid Charge failed\n");
941 else if (out[0] == TOS_NOT_SUPPORTED)
942 return -ENODEV;
943
944 return (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) ? 0 : -EIO;
945}
946
947static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state)
948{
949 u32 result;
950
951 if (!sci_open(dev))
952 return -EIO;
953
954 result = sci_read(dev, SCI_USB_SLEEP_MUSIC, state);
955 sci_close(dev);
956 if (result == TOS_FAILURE)
957 pr_err("ACPI call to get Sleep and Music failed\n");
958 else if (result == TOS_NOT_SUPPORTED)
959 return -ENODEV;
960
961 return result == TOS_SUCCESS ? 0 : -EIO;
962}
963
964static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state)
965{
966 u32 result;
967
968 if (!sci_open(dev))
969 return -EIO;
970
971 result = sci_write(dev, SCI_USB_SLEEP_MUSIC, state);
972 sci_close(dev);
973 if (result == TOS_FAILURE)
974 pr_err("ACPI call to set Sleep and Music failed\n");
975 else if (result == TOS_NOT_SUPPORTED)
976 return -ENODEV;
977
978 return result == TOS_SUCCESS ? 0 : -EIO;
979}
980
981/* Keyboard function keys */
982static int toshiba_function_keys_get(struct toshiba_acpi_dev *dev, u32 *mode)
983{
984 u32 result;
985
986 if (!sci_open(dev))
987 return -EIO;
988
989 result = sci_read(dev, SCI_KBD_FUNCTION_KEYS, mode);
990 sci_close(dev);
991 if (result == TOS_FAILURE)
992 pr_err("ACPI call to get KBD function keys failed\n");
993 else if (result == TOS_NOT_SUPPORTED)
994 return -ENODEV;
995
996 return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO;
997}
998
999static int toshiba_function_keys_set(struct toshiba_acpi_dev *dev, u32 mode)
1000{
1001 u32 result;
1002
1003 if (!sci_open(dev))
1004 return -EIO;
1005
1006 result = sci_write(dev, SCI_KBD_FUNCTION_KEYS, mode);
1007 sci_close(dev);
1008 if (result == TOS_FAILURE)
1009 pr_err("ACPI call to set KBD function keys failed\n");
1010 else if (result == TOS_NOT_SUPPORTED)
1011 return -ENODEV;
1012
1013 return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO;
1014}
1015
1016/* Panel Power ON */
1017static int toshiba_panel_power_on_get(struct toshiba_acpi_dev *dev, u32 *state)
1018{
1019 u32 result;
1020
1021 if (!sci_open(dev))
1022 return -EIO;
1023
1024 result = sci_read(dev, SCI_PANEL_POWER_ON, state);
1025 sci_close(dev);
1026 if (result == TOS_FAILURE)
1027 pr_err("ACPI call to get Panel Power ON failed\n");
1028 else if (result == TOS_NOT_SUPPORTED)
1029 return -ENODEV;
1030
1031 return result == TOS_SUCCESS ? 0 : -EIO;
1032}
1033
1034static int toshiba_panel_power_on_set(struct toshiba_acpi_dev *dev, u32 state)
1035{
1036 u32 result;
1037
1038 if (!sci_open(dev))
1039 return -EIO;
1040
1041 result = sci_write(dev, SCI_PANEL_POWER_ON, state);
1042 sci_close(dev);
1043 if (result == TOS_FAILURE)
1044 pr_err("ACPI call to set Panel Power ON failed\n");
1045 else if (result == TOS_NOT_SUPPORTED)
1046 return -ENODEV;
1047
1048 return result == TOS_SUCCESS ? 0 : -EIO;
1049}
1050
1051/* USB Three */
1052static int toshiba_usb_three_get(struct toshiba_acpi_dev *dev, u32 *state)
1053{
1054 u32 result;
1055
1056 if (!sci_open(dev))
1057 return -EIO;
1058
1059 result = sci_read(dev, SCI_USB_THREE, state);
1060 sci_close(dev);
1061 if (result == TOS_FAILURE)
1062 pr_err("ACPI call to get USB 3 failed\n");
1063 else if (result == TOS_NOT_SUPPORTED)
1064 return -ENODEV;
1065
1066 return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO;
1067}
1068
1069static int toshiba_usb_three_set(struct toshiba_acpi_dev *dev, u32 state)
1070{
1071 u32 result;
1072
1073 if (!sci_open(dev))
1074 return -EIO;
1075
1076 result = sci_write(dev, SCI_USB_THREE, state);
1077 sci_close(dev);
1078 if (result == TOS_FAILURE)
1079 pr_err("ACPI call to set USB 3 failed\n");
1080 else if (result == TOS_NOT_SUPPORTED)
1081 return -ENODEV;
1082
1083 return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO;
1084}
1085
1086/* Hotkey Event type */
1087static int toshiba_hotkey_event_type_get(struct toshiba_acpi_dev *dev,
1088 u32 *type)
1089{
1090 u32 in[TCI_WORDS] = { HCI_GET, HCI_SYSTEM_INFO, 0x03, 0, 0, 0 };
1091 u32 out[TCI_WORDS];
1092 acpi_status status;
1093
1094 status = tci_raw(dev, in, out);
1095 if (ACPI_FAILURE(status)) {
1096 pr_err("ACPI call to get System type failed\n");
1097 } else if (out[0] == TOS_NOT_SUPPORTED) {
1098 return -ENODEV;
1099 } else if (out[0] == TOS_SUCCESS) {
1100 *type = out[3];
1101 return 0;
1102 }
1103
1104 return -EIO;
1105}
1106
1107/* Wireless status (RFKill, WLAN, BT, WWAN) */
1108static int toshiba_wireless_status(struct toshiba_acpi_dev *dev)
1109{
1110 u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 };
1111 u32 out[TCI_WORDS];
1112 acpi_status status;
1113
1114 in[3] = HCI_WIRELESS_STATUS;
1115 status = tci_raw(dev, in, out);
1116
1117 if (ACPI_FAILURE(status)) {
1118 pr_err("ACPI call to get Wireless status failed\n");
1119 return -EIO;
1120 }
1121
1122 if (out[0] == TOS_NOT_SUPPORTED)
1123 return -ENODEV;
1124
1125 if (out[0] != TOS_SUCCESS)
1126 return -EIO;
1127
1128 dev->killswitch = !!(out[2] & HCI_WIRELESS_STATUS);
1129
1130 return 0;
1131}
1132
1133/* WWAN */
1134static void toshiba_wwan_available(struct toshiba_acpi_dev *dev)
1135{
1136 u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 };
1137 u32 out[TCI_WORDS];
1138 acpi_status status;
1139
1140 dev->wwan_supported = 0;
1141
1142 /*
1143 * WWAN support can be queried by setting the in[3] value to
1144 * HCI_WIRELESS_WWAN (0x03).
1145 *
1146 * If supported, out[0] contains TOS_SUCCESS and out[2] contains
1147 * HCI_WIRELESS_WWAN_STATUS (0x2000).
1148 *
1149 * If not supported, out[0] contains TOS_INPUT_DATA_ERROR (0x8300)
1150 * or TOS_NOT_SUPPORTED (0x8000).
1151 */
1152 in[3] = HCI_WIRELESS_WWAN;
1153 status = tci_raw(dev, in, out);
1154
1155 if (ACPI_FAILURE(status)) {
1156 pr_err("ACPI call to get WWAN status failed\n");
1157 return;
1158 }
1159
1160 if (out[0] != TOS_SUCCESS)
1161 return;
1162
1163 dev->wwan_supported = (out[2] == HCI_WIRELESS_WWAN_STATUS);
1164}
1165
1166static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state)
1167{
1168 u32 in[TCI_WORDS] = { HCI_SET, HCI_WIRELESS, state, 0, 0, 0 };
1169 u32 out[TCI_WORDS];
1170 acpi_status status;
1171
1172 in[3] = HCI_WIRELESS_WWAN_STATUS;
1173 status = tci_raw(dev, in, out);
1174
1175 if (ACPI_FAILURE(status)) {
1176 pr_err("ACPI call to set WWAN status failed\n");
1177 return -EIO;
1178 }
1179
1180 if (out[0] == TOS_NOT_SUPPORTED)
1181 return -ENODEV;
1182
1183 if (out[0] != TOS_SUCCESS)
1184 return -EIO;
1185
1186 /*
1187 * Some devices only need to call HCI_WIRELESS_WWAN_STATUS to
1188 * (de)activate the device, but some others need the
1189 * HCI_WIRELESS_WWAN_POWER call as well.
1190 */
1191 in[3] = HCI_WIRELESS_WWAN_POWER;
1192 status = tci_raw(dev, in, out);
1193
1194 if (ACPI_FAILURE(status)) {
1195 pr_err("ACPI call to set WWAN power failed\n");
1196 return -EIO;
1197 }
1198
1199 if (out[0] == TOS_NOT_SUPPORTED)
1200 return -ENODEV;
1201
1202 return out[0] == TOS_SUCCESS ? 0 : -EIO;
1203}
1204
1205/* Cooling Method */
1206static void toshiba_cooling_method_available(struct toshiba_acpi_dev *dev)
1207{
1208 u32 in[TCI_WORDS] = { HCI_GET, HCI_COOLING_METHOD, 0, 0, 0, 0 };
1209 u32 out[TCI_WORDS];
1210 acpi_status status;
1211
1212 dev->cooling_method_supported = 0;
1213 dev->max_cooling_method = 0;
1214
1215 status = tci_raw(dev, in, out);
1216 if (ACPI_FAILURE(status))
1217 pr_err("ACPI call to get Cooling Method failed\n");
1218
1219 if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2)
1220 return;
1221
1222 dev->cooling_method_supported = 1;
1223 dev->max_cooling_method = out[3];
1224}
1225
1226static int toshiba_cooling_method_get(struct toshiba_acpi_dev *dev, u32 *state)
1227{
1228 u32 result = hci_read(dev, HCI_COOLING_METHOD, state);
1229
1230 if (result == TOS_FAILURE)
1231 pr_err("ACPI call to get Cooling Method failed\n");
1232
1233 if (result == TOS_NOT_SUPPORTED)
1234 return -ENODEV;
1235
1236 return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO;
1237}
1238
1239static int toshiba_cooling_method_set(struct toshiba_acpi_dev *dev, u32 state)
1240{
1241 u32 result = hci_write(dev, HCI_COOLING_METHOD, state);
1242
1243 if (result == TOS_FAILURE)
1244 pr_err("ACPI call to get Cooling Method failed\n");
1245
1246 if (result == TOS_NOT_SUPPORTED)
1247 return -ENODEV;
1248
1249 return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO;
1250}
1251
1252/* Transflective Backlight */
1253static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 *status)
1254{
1255 u32 result = hci_read(dev, HCI_TR_BACKLIGHT, status);
1256
1257 if (result == TOS_FAILURE)
1258 pr_err("ACPI call to get Transflective Backlight failed\n");
1259 else if (result == TOS_NOT_SUPPORTED)
1260 return -ENODEV;
1261
1262 return result == TOS_SUCCESS ? 0 : -EIO;
1263}
1264
1265static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 status)
1266{
1267 u32 result = hci_write(dev, HCI_TR_BACKLIGHT, !status);
1268
1269 if (result == TOS_FAILURE)
1270 pr_err("ACPI call to set Transflective Backlight failed\n");
1271 else if (result == TOS_NOT_SUPPORTED)
1272 return -ENODEV;
1273
1274 return result == TOS_SUCCESS ? 0 : -EIO;
1275}
1276
1277static struct proc_dir_entry *toshiba_proc_dir;
1278
1279/* LCD Brightness */
1280static int __get_lcd_brightness(struct toshiba_acpi_dev *dev)
1281{
1282 u32 result;
1283 u32 value;
1284 int brightness = 0;
1285
1286 if (dev->tr_backlight_supported) {
1287 int ret = get_tr_backlight_status(dev, &value);
1288
1289 if (ret)
1290 return ret;
1291 if (value)
1292 return 0;
1293 brightness++;
1294 }
1295
1296 result = hci_read(dev, HCI_LCD_BRIGHTNESS, &value);
1297 if (result == TOS_FAILURE)
1298 pr_err("ACPI call to get LCD Brightness failed\n");
1299 else if (result == TOS_NOT_SUPPORTED)
1300 return -ENODEV;
1301 if (result == TOS_SUCCESS)
1302 return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT);
1303
1304 return -EIO;
1305}
1306
1307static int get_lcd_brightness(struct backlight_device *bd)
1308{
1309 struct toshiba_acpi_dev *dev = bl_get_data(bd);
1310
1311 return __get_lcd_brightness(dev);
1312}
1313
1314static int lcd_proc_show(struct seq_file *m, void *v)
1315{
1316 struct toshiba_acpi_dev *dev = m->private;
1317 int levels;
1318 int value;
1319
1320 if (!dev->backlight_dev)
1321 return -ENODEV;
1322
1323 levels = dev->backlight_dev->props.max_brightness + 1;
1324 value = get_lcd_brightness(dev->backlight_dev);
1325 if (value >= 0) {
1326 seq_printf(m, "brightness: %d\n", value);
1327 seq_printf(m, "brightness_levels: %d\n", levels);
1328 return 0;
1329 }
1330
1331 pr_err("Error reading LCD brightness\n");
1332
1333 return -EIO;
1334}
1335
1336static int lcd_proc_open(struct inode *inode, struct file *file)
1337{
1338 return single_open(file, lcd_proc_show, PDE_DATA(inode));
1339}
1340
1341static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value)
1342{
1343 u32 result;
1344
1345 if (dev->tr_backlight_supported) {
1346 int ret = set_tr_backlight_status(dev, !value);
1347
1348 if (ret)
1349 return ret;
1350 if (value)
1351 value--;
1352 }
1353
1354 value = value << HCI_LCD_BRIGHTNESS_SHIFT;
1355 result = hci_write(dev, HCI_LCD_BRIGHTNESS, value);
1356 if (result == TOS_FAILURE)
1357 pr_err("ACPI call to set LCD Brightness failed\n");
1358 else if (result == TOS_NOT_SUPPORTED)
1359 return -ENODEV;
1360
1361 return result == TOS_SUCCESS ? 0 : -EIO;
1362}
1363
1364static int set_lcd_status(struct backlight_device *bd)
1365{
1366 struct toshiba_acpi_dev *dev = bl_get_data(bd);
1367
1368 return set_lcd_brightness(dev, bd->props.brightness);
1369}
1370
1371static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
1372 size_t count, loff_t *pos)
1373{
1374 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
1375 char cmd[42];
1376 size_t len;
1377 int levels = dev->backlight_dev->props.max_brightness + 1;
1378 int value;
1379
1380 len = min(count, sizeof(cmd) - 1);
1381 if (copy_from_user(cmd, buf, len))
1382 return -EFAULT;
1383 cmd[len] = '\0';
1384
1385 if (sscanf(cmd, " brightness : %i", &value) != 1 &&
1386 value < 0 && value > levels)
1387 return -EINVAL;
1388
1389 if (set_lcd_brightness(dev, value))
1390 return -EIO;
1391
1392 return count;
1393}
1394
1395static const struct file_operations lcd_proc_fops = {
1396 .owner = THIS_MODULE,
1397 .open = lcd_proc_open,
1398 .read = seq_read,
1399 .llseek = seq_lseek,
1400 .release = single_release,
1401 .write = lcd_proc_write,
1402};
1403
1404/* Video-Out */
1405static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status)
1406{
1407 u32 result = hci_read(dev, HCI_VIDEO_OUT, status);
1408
1409 if (result == TOS_FAILURE)
1410 pr_err("ACPI call to get Video-Out failed\n");
1411 else if (result == TOS_NOT_SUPPORTED)
1412 return -ENODEV;
1413
1414 return result == TOS_SUCCESS ? 0 : -EIO;
1415}
1416
1417static int video_proc_show(struct seq_file *m, void *v)
1418{
1419 struct toshiba_acpi_dev *dev = m->private;
1420 u32 value;
1421
1422 if (!get_video_status(dev, &value)) {
1423 int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
1424 int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
1425 int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
1426
1427 seq_printf(m, "lcd_out: %d\n", is_lcd);
1428 seq_printf(m, "crt_out: %d\n", is_crt);
1429 seq_printf(m, "tv_out: %d\n", is_tv);
1430 return 0;
1431 }
1432
1433 return -EIO;
1434}
1435
1436static int video_proc_open(struct inode *inode, struct file *file)
1437{
1438 return single_open(file, video_proc_show, PDE_DATA(inode));
1439}
1440
1441static ssize_t video_proc_write(struct file *file, const char __user *buf,
1442 size_t count, loff_t *pos)
1443{
1444 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
1445 char *buffer;
1446 char *cmd;
1447 int remain = count;
1448 int lcd_out = -1;
1449 int crt_out = -1;
1450 int tv_out = -1;
1451 int value;
1452 int ret;
1453 u32 video_out;
1454
1455 cmd = kmalloc(count + 1, GFP_KERNEL);
1456 if (!cmd)
1457 return -ENOMEM;
1458 if (copy_from_user(cmd, buf, count)) {
1459 kfree(cmd);
1460 return -EFAULT;
1461 }
1462 cmd[count] = '\0';
1463
1464 buffer = cmd;
1465
1466 /*
1467 * Scan expression. Multiple expressions may be delimited with ;
1468 * NOTE: To keep scanning simple, invalid fields are ignored.
1469 */
1470 while (remain) {
1471 if (sscanf(buffer, " lcd_out : %i", &value) == 1)
1472 lcd_out = value & 1;
1473 else if (sscanf(buffer, " crt_out : %i", &value) == 1)
1474 crt_out = value & 1;
1475 else if (sscanf(buffer, " tv_out : %i", &value) == 1)
1476 tv_out = value & 1;
1477 /* Advance to one character past the next ; */
1478 do {
1479 ++buffer;
1480 --remain;
1481 } while (remain && *(buffer - 1) != ';');
1482 }
1483
1484 kfree(cmd);
1485
1486 ret = get_video_status(dev, &video_out);
1487 if (!ret) {
1488 unsigned int new_video_out = video_out;
1489
1490 if (lcd_out != -1)
1491 _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
1492 if (crt_out != -1)
1493 _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out);
1494 if (tv_out != -1)
1495 _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out);
1496 /*
1497 * To avoid unnecessary video disruption, only write the new
1498 * video setting if something changed.
1499 */
1500 if (new_video_out != video_out)
1501 ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out);
1502 }
1503
1504 return ret ? -EIO : count;
1505}
1506
1507static const struct file_operations video_proc_fops = {
1508 .owner = THIS_MODULE,
1509 .open = video_proc_open,
1510 .read = seq_read,
1511 .llseek = seq_lseek,
1512 .release = single_release,
1513 .write = video_proc_write,
1514};
1515
1516/* Fan status */
1517static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status)
1518{
1519 u32 result = hci_read(dev, HCI_FAN, status);
1520
1521 if (result == TOS_FAILURE)
1522 pr_err("ACPI call to get Fan status failed\n");
1523 else if (result == TOS_NOT_SUPPORTED)
1524 return -ENODEV;
1525
1526 return result == TOS_SUCCESS ? 0 : -EIO;
1527}
1528
1529static int set_fan_status(struct toshiba_acpi_dev *dev, u32 status)
1530{
1531 u32 result = hci_write(dev, HCI_FAN, status);
1532
1533 if (result == TOS_FAILURE)
1534 pr_err("ACPI call to set Fan status failed\n");
1535 else if (result == TOS_NOT_SUPPORTED)
1536 return -ENODEV;
1537
1538 return result == TOS_SUCCESS ? 0 : -EIO;
1539}
1540
1541static int fan_proc_show(struct seq_file *m, void *v)
1542{
1543 struct toshiba_acpi_dev *dev = m->private;
1544 u32 value;
1545
1546 if (get_fan_status(dev, &value))
1547 return -EIO;
1548
1549 seq_printf(m, "running: %d\n", (value > 0));
1550 seq_printf(m, "force_on: %d\n", dev->force_fan);
1551
1552 return 0;
1553}
1554
1555static int fan_proc_open(struct inode *inode, struct file *file)
1556{
1557 return single_open(file, fan_proc_show, PDE_DATA(inode));
1558}
1559
1560static ssize_t fan_proc_write(struct file *file, const char __user *buf,
1561 size_t count, loff_t *pos)
1562{
1563 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
1564 char cmd[42];
1565 size_t len;
1566 int value;
1567
1568 len = min(count, sizeof(cmd) - 1);
1569 if (copy_from_user(cmd, buf, len))
1570 return -EFAULT;
1571 cmd[len] = '\0';
1572
1573 if (sscanf(cmd, " force_on : %i", &value) != 1 &&
1574 value != 0 && value != 1)
1575 return -EINVAL;
1576
1577 if (set_fan_status(dev, value))
1578 return -EIO;
1579
1580 dev->force_fan = value;
1581
1582 return count;
1583}
1584
1585static const struct file_operations fan_proc_fops = {
1586 .owner = THIS_MODULE,
1587 .open = fan_proc_open,
1588 .read = seq_read,
1589 .llseek = seq_lseek,
1590 .release = single_release,
1591 .write = fan_proc_write,
1592};
1593
1594static int keys_proc_show(struct seq_file *m, void *v)
1595{
1596 struct toshiba_acpi_dev *dev = m->private;
1597
1598 seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid);
1599 seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event);
1600
1601 return 0;
1602}
1603
1604static int keys_proc_open(struct inode *inode, struct file *file)
1605{
1606 return single_open(file, keys_proc_show, PDE_DATA(inode));
1607}
1608
1609static ssize_t keys_proc_write(struct file *file, const char __user *buf,
1610 size_t count, loff_t *pos)
1611{
1612 struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
1613 char cmd[42];
1614 size_t len;
1615 int value;
1616
1617 len = min(count, sizeof(cmd) - 1);
1618 if (copy_from_user(cmd, buf, len))
1619 return -EFAULT;
1620 cmd[len] = '\0';
1621
1622 if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0)
1623 dev->key_event_valid = 0;
1624 else
1625 return -EINVAL;
1626
1627 return count;
1628}
1629
1630static const struct file_operations keys_proc_fops = {
1631 .owner = THIS_MODULE,
1632 .open = keys_proc_open,
1633 .read = seq_read,
1634 .llseek = seq_lseek,
1635 .release = single_release,
1636 .write = keys_proc_write,
1637};
1638
1639static int version_proc_show(struct seq_file *m, void *v)
1640{
1641 seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION);
1642 seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION);
1643 return 0;
1644}
1645
1646static int version_proc_open(struct inode *inode, struct file *file)
1647{
1648 return single_open(file, version_proc_show, PDE_DATA(inode));
1649}
1650
1651static const struct file_operations version_proc_fops = {
1652 .owner = THIS_MODULE,
1653 .open = version_proc_open,
1654 .read = seq_read,
1655 .llseek = seq_lseek,
1656 .release = single_release,
1657};
1658
1659/*
1660 * Proc and module init
1661 */
1662
1663#define PROC_TOSHIBA "toshiba"
1664
1665static void create_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
1666{
1667 if (dev->backlight_dev)
1668 proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1669 &lcd_proc_fops, dev);
1670 if (dev->video_supported)
1671 proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1672 &video_proc_fops, dev);
1673 if (dev->fan_supported)
1674 proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1675 &fan_proc_fops, dev);
1676 if (dev->hotkey_dev)
1677 proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir,
1678 &keys_proc_fops, dev);
1679 proc_create_data("version", S_IRUGO, toshiba_proc_dir,
1680 &version_proc_fops, dev);
1681}
1682
1683static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
1684{
1685 if (dev->backlight_dev)
1686 remove_proc_entry("lcd", toshiba_proc_dir);
1687 if (dev->video_supported)
1688 remove_proc_entry("video", toshiba_proc_dir);
1689 if (dev->fan_supported)
1690 remove_proc_entry("fan", toshiba_proc_dir);
1691 if (dev->hotkey_dev)
1692 remove_proc_entry("keys", toshiba_proc_dir);
1693 remove_proc_entry("version", toshiba_proc_dir);
1694}
1695
1696static const struct backlight_ops toshiba_backlight_data = {
1697 .options = BL_CORE_SUSPENDRESUME,
1698 .get_brightness = get_lcd_brightness,
1699 .update_status = set_lcd_status,
1700};
1701
1702/* Keyboard backlight work */
1703static void toshiba_acpi_kbd_bl_work(struct work_struct *work);
1704
1705static DECLARE_WORK(kbd_bl_work, toshiba_acpi_kbd_bl_work);
1706
1707/*
1708 * Sysfs files
1709 */
1710static ssize_t version_show(struct device *dev,
1711 struct device_attribute *attr, char *buf)
1712{
1713 return sprintf(buf, "%s\n", TOSHIBA_ACPI_VERSION);
1714}
1715static DEVICE_ATTR_RO(version);
1716
1717static ssize_t fan_store(struct device *dev,
1718 struct device_attribute *attr,
1719 const char *buf, size_t count)
1720{
1721 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1722 int state;
1723 int ret;
1724
1725 ret = kstrtoint(buf, 0, &state);
1726 if (ret)
1727 return ret;
1728
1729 if (state != 0 && state != 1)
1730 return -EINVAL;
1731
1732 ret = set_fan_status(toshiba, state);
1733 if (ret)
1734 return ret;
1735
1736 return count;
1737}
1738
1739static ssize_t fan_show(struct device *dev,
1740 struct device_attribute *attr, char *buf)
1741{
1742 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1743 u32 value;
1744 int ret;
1745
1746 ret = get_fan_status(toshiba, &value);
1747 if (ret)
1748 return ret;
1749
1750 return sprintf(buf, "%d\n", value);
1751}
1752static DEVICE_ATTR_RW(fan);
1753
1754static ssize_t kbd_backlight_mode_store(struct device *dev,
1755 struct device_attribute *attr,
1756 const char *buf, size_t count)
1757{
1758 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1759 int mode;
1760 int ret;
1761
1762
1763 ret = kstrtoint(buf, 0, &mode);
1764 if (ret)
1765 return ret;
1766
1767 /* Check for supported modes depending on keyboard backlight type */
1768 if (toshiba->kbd_type == 1) {
1769 /* Type 1 supports SCI_KBD_MODE_FNZ and SCI_KBD_MODE_AUTO */
1770 if (mode != SCI_KBD_MODE_FNZ && mode != SCI_KBD_MODE_AUTO)
1771 return -EINVAL;
1772 } else if (toshiba->kbd_type == 2) {
1773 /* Type 2 doesn't support SCI_KBD_MODE_FNZ */
1774 if (mode != SCI_KBD_MODE_AUTO && mode != SCI_KBD_MODE_ON &&
1775 mode != SCI_KBD_MODE_OFF)
1776 return -EINVAL;
1777 }
1778
1779 /*
1780 * Set the Keyboard Backlight Mode where:
1781 * Auto - KBD backlight turns off automatically in given time
1782 * FN-Z - KBD backlight "toggles" when hotkey pressed
1783 * ON - KBD backlight is always on
1784 * OFF - KBD backlight is always off
1785 */
1786
1787 /* Only make a change if the actual mode has changed */
1788 if (toshiba->kbd_mode != mode) {
1789 /* Shift the time to "base time" (0x3c0000 == 60 seconds) */
1790 int time = toshiba->kbd_time << HCI_MISC_SHIFT;
1791
1792 /* OR the "base time" to the actual method format */
1793 if (toshiba->kbd_type == 1) {
1794 /* Type 1 requires the current mode */
1795 time |= toshiba->kbd_mode;
1796 } else if (toshiba->kbd_type == 2) {
1797 /* Type 2 requires the desired mode */
1798 time |= mode;
1799 }
1800
1801 ret = toshiba_kbd_illum_status_set(toshiba, time);
1802 if (ret)
1803 return ret;
1804
1805 toshiba->kbd_mode = mode;
1806
1807 /*
1808 * Some laptop models with the second generation backlit
1809 * keyboard (type 2) do not generate the keyboard backlight
1810 * changed event (0x92), and thus, the driver will never update
1811 * the sysfs entries.
1812 *
1813 * The event is generated right when changing the keyboard
1814 * backlight mode and the *notify function will set the
1815 * kbd_event_generated to true.
1816 *
1817 * In case the event is not generated, schedule the keyboard
1818 * backlight work to update the sysfs entries and emulate the
1819 * event via genetlink.
1820 */
1821 if (toshiba->kbd_type == 2 &&
1822 !toshiba_acpi->kbd_event_generated)
1823 schedule_work(&kbd_bl_work);
1824 }
1825
1826 return count;
1827}
1828
1829static ssize_t kbd_backlight_mode_show(struct device *dev,
1830 struct device_attribute *attr,
1831 char *buf)
1832{
1833 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1834 u32 time;
1835
1836 if (toshiba_kbd_illum_status_get(toshiba, &time) < 0)
1837 return -EIO;
1838
1839 return sprintf(buf, "%i\n", time & SCI_KBD_MODE_MASK);
1840}
1841static DEVICE_ATTR_RW(kbd_backlight_mode);
1842
1843static ssize_t kbd_type_show(struct device *dev,
1844 struct device_attribute *attr, char *buf)
1845{
1846 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1847
1848 return sprintf(buf, "%d\n", toshiba->kbd_type);
1849}
1850static DEVICE_ATTR_RO(kbd_type);
1851
1852static ssize_t available_kbd_modes_show(struct device *dev,
1853 struct device_attribute *attr,
1854 char *buf)
1855{
1856 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1857
1858 if (toshiba->kbd_type == 1)
1859 return sprintf(buf, "0x%x 0x%x\n",
1860 SCI_KBD_MODE_FNZ, SCI_KBD_MODE_AUTO);
1861
1862 return sprintf(buf, "0x%x 0x%x 0x%x\n",
1863 SCI_KBD_MODE_AUTO, SCI_KBD_MODE_ON, SCI_KBD_MODE_OFF);
1864}
1865static DEVICE_ATTR_RO(available_kbd_modes);
1866
1867static ssize_t kbd_backlight_timeout_store(struct device *dev,
1868 struct device_attribute *attr,
1869 const char *buf, size_t count)
1870{
1871 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1872 int time;
1873 int ret;
1874
1875 ret = kstrtoint(buf, 0, &time);
1876 if (ret)
1877 return ret;
1878
1879 /* Check for supported values depending on kbd_type */
1880 if (toshiba->kbd_type == 1) {
1881 if (time < 0 || time > 60)
1882 return -EINVAL;
1883 } else if (toshiba->kbd_type == 2) {
1884 if (time < 1 || time > 60)
1885 return -EINVAL;
1886 }
1887
1888 /* Set the Keyboard Backlight Timeout */
1889
1890 /* Only make a change if the actual timeout has changed */
1891 if (toshiba->kbd_time != time) {
1892 /* Shift the time to "base time" (0x3c0000 == 60 seconds) */
1893 time = time << HCI_MISC_SHIFT;
1894 /* OR the "base time" to the actual method format */
1895 if (toshiba->kbd_type == 1)
1896 time |= SCI_KBD_MODE_FNZ;
1897 else if (toshiba->kbd_type == 2)
1898 time |= SCI_KBD_MODE_AUTO;
1899
1900 ret = toshiba_kbd_illum_status_set(toshiba, time);
1901 if (ret)
1902 return ret;
1903
1904 toshiba->kbd_time = time >> HCI_MISC_SHIFT;
1905 }
1906
1907 return count;
1908}
1909
1910static ssize_t kbd_backlight_timeout_show(struct device *dev,
1911 struct device_attribute *attr,
1912 char *buf)
1913{
1914 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1915 u32 time;
1916
1917 if (toshiba_kbd_illum_status_get(toshiba, &time) < 0)
1918 return -EIO;
1919
1920 return sprintf(buf, "%i\n", time >> HCI_MISC_SHIFT);
1921}
1922static DEVICE_ATTR_RW(kbd_backlight_timeout);
1923
1924static ssize_t touchpad_store(struct device *dev,
1925 struct device_attribute *attr,
1926 const char *buf, size_t count)
1927{
1928 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1929 int state;
1930 int ret;
1931
1932 /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */
1933 ret = kstrtoint(buf, 0, &state);
1934 if (ret)
1935 return ret;
1936 if (state != 0 && state != 1)
1937 return -EINVAL;
1938
1939 ret = toshiba_touchpad_set(toshiba, state);
1940 if (ret)
1941 return ret;
1942
1943 return count;
1944}
1945
1946static ssize_t touchpad_show(struct device *dev,
1947 struct device_attribute *attr, char *buf)
1948{
1949 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1950 u32 state;
1951 int ret;
1952
1953 ret = toshiba_touchpad_get(toshiba, &state);
1954 if (ret < 0)
1955 return ret;
1956
1957 return sprintf(buf, "%i\n", state);
1958}
1959static DEVICE_ATTR_RW(touchpad);
1960
1961static ssize_t position_show(struct device *dev,
1962 struct device_attribute *attr, char *buf)
1963{
1964 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1965 u32 xyval, zval, tmp;
1966 u16 x, y, z;
1967 int ret;
1968
1969 xyval = zval = 0;
1970 ret = toshiba_accelerometer_get(toshiba, &xyval, &zval);
1971 if (ret < 0)
1972 return ret;
1973
1974 x = xyval & HCI_ACCEL_MASK;
1975 tmp = xyval >> HCI_MISC_SHIFT;
1976 y = tmp & HCI_ACCEL_MASK;
1977 z = zval & HCI_ACCEL_MASK;
1978
1979 return sprintf(buf, "%d %d %d\n", x, y, z);
1980}
1981static DEVICE_ATTR_RO(position);
1982
1983static ssize_t usb_sleep_charge_show(struct device *dev,
1984 struct device_attribute *attr, char *buf)
1985{
1986 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
1987 u32 mode;
1988 int ret;
1989
1990 ret = toshiba_usb_sleep_charge_get(toshiba, &mode);
1991 if (ret < 0)
1992 return ret;
1993
1994 return sprintf(buf, "%x\n", mode & SCI_USB_CHARGE_MODE_MASK);
1995}
1996
1997static ssize_t usb_sleep_charge_store(struct device *dev,
1998 struct device_attribute *attr,
1999 const char *buf, size_t count)
2000{
2001 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2002 u32 mode;
2003 int state;
2004 int ret;
2005
2006 ret = kstrtoint(buf, 0, &state);
2007 if (ret)
2008 return ret;
2009 /*
2010 * Check for supported values, where:
2011 * 0 - Disabled
2012 * 1 - Alternate (Non USB conformant devices that require more power)
2013 * 2 - Auto (USB conformant devices)
2014 * 3 - Typical
2015 */
2016 if (state != 0 && state != 1 && state != 2 && state != 3)
2017 return -EINVAL;
2018
2019 /* Set the USB charging mode to internal value */
2020 mode = toshiba->usbsc_mode_base;
2021 if (state == 0)
2022 mode |= SCI_USB_CHARGE_DISABLED;
2023 else if (state == 1)
2024 mode |= SCI_USB_CHARGE_ALTERNATE;
2025 else if (state == 2)
2026 mode |= SCI_USB_CHARGE_AUTO;
2027 else if (state == 3)
2028 mode |= SCI_USB_CHARGE_TYPICAL;
2029
2030 ret = toshiba_usb_sleep_charge_set(toshiba, mode);
2031 if (ret)
2032 return ret;
2033
2034 return count;
2035}
2036static DEVICE_ATTR_RW(usb_sleep_charge);
2037
2038static ssize_t sleep_functions_on_battery_show(struct device *dev,
2039 struct device_attribute *attr,
2040 char *buf)
2041{
2042 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2043 u32 state;
2044 int bat_lvl;
2045 int status;
2046 int ret;
2047 int tmp;
2048
2049 ret = toshiba_sleep_functions_status_get(toshiba, &state);
2050 if (ret < 0)
2051 return ret;
2052
2053 /* Determine the status: 0x4 - Enabled | 0x1 - Disabled */
2054 tmp = state & SCI_USB_CHARGE_BAT_MASK;
2055 status = (tmp == 0x4) ? 1 : 0;
2056 /* Determine the battery level set */
2057 bat_lvl = state >> HCI_MISC_SHIFT;
2058
2059 return sprintf(buf, "%d %d\n", status, bat_lvl);
2060}
2061
2062static ssize_t sleep_functions_on_battery_store(struct device *dev,
2063 struct device_attribute *attr,
2064 const char *buf, size_t count)
2065{
2066 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2067 u32 status;
2068 int value;
2069 int ret;
2070 int tmp;
2071
2072 ret = kstrtoint(buf, 0, &value);
2073 if (ret)
2074 return ret;
2075
2076 /*
2077 * Set the status of the function:
2078 * 0 - Disabled
2079 * 1-100 - Enabled
2080 */
2081 if (value < 0 || value > 100)
2082 return -EINVAL;
2083
2084 if (value == 0) {
2085 tmp = toshiba->usbsc_bat_level << HCI_MISC_SHIFT;
2086 status = tmp | SCI_USB_CHARGE_BAT_LVL_OFF;
2087 } else {
2088 tmp = value << HCI_MISC_SHIFT;
2089 status = tmp | SCI_USB_CHARGE_BAT_LVL_ON;
2090 }
2091 ret = toshiba_sleep_functions_status_set(toshiba, status);
2092 if (ret < 0)
2093 return ret;
2094
2095 toshiba->usbsc_bat_level = status >> HCI_MISC_SHIFT;
2096
2097 return count;
2098}
2099static DEVICE_ATTR_RW(sleep_functions_on_battery);
2100
2101static ssize_t usb_rapid_charge_show(struct device *dev,
2102 struct device_attribute *attr, char *buf)
2103{
2104 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2105 u32 state;
2106 int ret;
2107
2108 ret = toshiba_usb_rapid_charge_get(toshiba, &state);
2109 if (ret < 0)
2110 return ret;
2111
2112 return sprintf(buf, "%d\n", state);
2113}
2114
2115static ssize_t usb_rapid_charge_store(struct device *dev,
2116 struct device_attribute *attr,
2117 const char *buf, size_t count)
2118{
2119 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2120 int state;
2121 int ret;
2122
2123 ret = kstrtoint(buf, 0, &state);
2124 if (ret)
2125 return ret;
2126 if (state != 0 && state != 1)
2127 return -EINVAL;
2128
2129 ret = toshiba_usb_rapid_charge_set(toshiba, state);
2130 if (ret)
2131 return ret;
2132
2133 return count;
2134}
2135static DEVICE_ATTR_RW(usb_rapid_charge);
2136
2137static ssize_t usb_sleep_music_show(struct device *dev,
2138 struct device_attribute *attr, char *buf)
2139{
2140 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2141 u32 state;
2142 int ret;
2143
2144 ret = toshiba_usb_sleep_music_get(toshiba, &state);
2145 if (ret < 0)
2146 return ret;
2147
2148 return sprintf(buf, "%d\n", state);
2149}
2150
2151static ssize_t usb_sleep_music_store(struct device *dev,
2152 struct device_attribute *attr,
2153 const char *buf, size_t count)
2154{
2155 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2156 int state;
2157 int ret;
2158
2159 ret = kstrtoint(buf, 0, &state);
2160 if (ret)
2161 return ret;
2162 if (state != 0 && state != 1)
2163 return -EINVAL;
2164
2165 ret = toshiba_usb_sleep_music_set(toshiba, state);
2166 if (ret)
2167 return ret;
2168
2169 return count;
2170}
2171static DEVICE_ATTR_RW(usb_sleep_music);
2172
2173static ssize_t kbd_function_keys_show(struct device *dev,
2174 struct device_attribute *attr, char *buf)
2175{
2176 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2177 int mode;
2178 int ret;
2179
2180 ret = toshiba_function_keys_get(toshiba, &mode);
2181 if (ret < 0)
2182 return ret;
2183
2184 return sprintf(buf, "%d\n", mode);
2185}
2186
2187static ssize_t kbd_function_keys_store(struct device *dev,
2188 struct device_attribute *attr,
2189 const char *buf, size_t count)
2190{
2191 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2192 int mode;
2193 int ret;
2194
2195 ret = kstrtoint(buf, 0, &mode);
2196 if (ret)
2197 return ret;
2198 /*
2199 * Check for the function keys mode where:
2200 * 0 - Normal operation (F{1-12} as usual and hotkeys via FN-F{1-12})
2201 * 1 - Special functions (Opposite of the above setting)
2202 */
2203 if (mode != 0 && mode != 1)
2204 return -EINVAL;
2205
2206 ret = toshiba_function_keys_set(toshiba, mode);
2207 if (ret)
2208 return ret;
2209
2210 pr_info("Reboot for changes to KBD Function Keys to take effect");
2211
2212 return count;
2213}
2214static DEVICE_ATTR_RW(kbd_function_keys);
2215
2216static ssize_t panel_power_on_show(struct device *dev,
2217 struct device_attribute *attr, char *buf)
2218{
2219 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2220 u32 state;
2221 int ret;
2222
2223 ret = toshiba_panel_power_on_get(toshiba, &state);
2224 if (ret < 0)
2225 return ret;
2226
2227 return sprintf(buf, "%d\n", state);
2228}
2229
2230static ssize_t panel_power_on_store(struct device *dev,
2231 struct device_attribute *attr,
2232 const char *buf, size_t count)
2233{
2234 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2235 int state;
2236 int ret;
2237
2238 ret = kstrtoint(buf, 0, &state);
2239 if (ret)
2240 return ret;
2241 if (state != 0 && state != 1)
2242 return -EINVAL;
2243
2244 ret = toshiba_panel_power_on_set(toshiba, state);
2245 if (ret)
2246 return ret;
2247
2248 pr_info("Reboot for changes to Panel Power ON to take effect");
2249
2250 return count;
2251}
2252static DEVICE_ATTR_RW(panel_power_on);
2253
2254static ssize_t usb_three_show(struct device *dev,
2255 struct device_attribute *attr, char *buf)
2256{
2257 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2258 u32 state;
2259 int ret;
2260
2261 ret = toshiba_usb_three_get(toshiba, &state);
2262 if (ret < 0)
2263 return ret;
2264
2265 return sprintf(buf, "%d\n", state);
2266}
2267
2268static ssize_t usb_three_store(struct device *dev,
2269 struct device_attribute *attr,
2270 const char *buf, size_t count)
2271{
2272 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2273 int state;
2274 int ret;
2275
2276 ret = kstrtoint(buf, 0, &state);
2277 if (ret)
2278 return ret;
2279 /*
2280 * Check for USB 3 mode where:
2281 * 0 - Disabled (Acts like a USB 2 port, saving power)
2282 * 1 - Enabled
2283 */
2284 if (state != 0 && state != 1)
2285 return -EINVAL;
2286
2287 ret = toshiba_usb_three_set(toshiba, state);
2288 if (ret)
2289 return ret;
2290
2291 pr_info("Reboot for changes to USB 3 to take effect");
2292
2293 return count;
2294}
2295static DEVICE_ATTR_RW(usb_three);
2296
2297static ssize_t cooling_method_show(struct device *dev,
2298 struct device_attribute *attr, char *buf)
2299{
2300 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2301 int state;
2302 int ret;
2303
2304 ret = toshiba_cooling_method_get(toshiba, &state);
2305 if (ret < 0)
2306 return ret;
2307
2308 return sprintf(buf, "%d %d\n", state, toshiba->max_cooling_method);
2309}
2310
2311static ssize_t cooling_method_store(struct device *dev,
2312 struct device_attribute *attr,
2313 const char *buf, size_t count)
2314{
2315 struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
2316 int state;
2317 int ret;
2318
2319 ret = kstrtoint(buf, 0, &state);
2320 if (ret)
2321 return ret;
2322
2323 /*
2324 * Check for supported values
2325 * Depending on the laptop model, some only support these two:
2326 * 0 - Maximum Performance
2327 * 1 - Battery Optimized
2328 *
2329 * While some others support all three methods:
2330 * 0 - Maximum Performance
2331 * 1 - Performance
2332 * 2 - Battery Optimized
2333 */
2334 if (state < 0 || state > toshiba->max_cooling_method)
2335 return -EINVAL;
2336
2337 ret = toshiba_cooling_method_set(toshiba, state);
2338 if (ret)
2339 return ret;
2340
2341 return count;
2342}
2343static DEVICE_ATTR_RW(cooling_method);
2344
2345static struct attribute *toshiba_attributes[] = {
2346 &dev_attr_version.attr,
2347 &dev_attr_fan.attr,
2348 &dev_attr_kbd_backlight_mode.attr,
2349 &dev_attr_kbd_type.attr,
2350 &dev_attr_available_kbd_modes.attr,
2351 &dev_attr_kbd_backlight_timeout.attr,
2352 &dev_attr_touchpad.attr,
2353 &dev_attr_position.attr,
2354 &dev_attr_usb_sleep_charge.attr,
2355 &dev_attr_sleep_functions_on_battery.attr,
2356 &dev_attr_usb_rapid_charge.attr,
2357 &dev_attr_usb_sleep_music.attr,
2358 &dev_attr_kbd_function_keys.attr,
2359 &dev_attr_panel_power_on.attr,
2360 &dev_attr_usb_three.attr,
2361 &dev_attr_cooling_method.attr,
2362 NULL,
2363};
2364
2365static umode_t toshiba_sysfs_is_visible(struct kobject *kobj,
2366 struct attribute *attr, int idx)
2367{
2368 struct device *dev = container_of(kobj, struct device, kobj);
2369 struct toshiba_acpi_dev *drv = dev_get_drvdata(dev);
2370 bool exists = true;
2371
2372 if (attr == &dev_attr_fan.attr)
2373 exists = (drv->fan_supported) ? true : false;
2374 else if (attr == &dev_attr_kbd_backlight_mode.attr)
2375 exists = (drv->kbd_illum_supported) ? true : false;
2376 else if (attr == &dev_attr_kbd_backlight_timeout.attr)
2377 exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false;
2378 else if (attr == &dev_attr_touchpad.attr)
2379 exists = (drv->touchpad_supported) ? true : false;
2380 else if (attr == &dev_attr_position.attr)
2381 exists = (drv->accelerometer_supported) ? true : false;
2382 else if (attr == &dev_attr_usb_sleep_charge.attr)
2383 exists = (drv->usb_sleep_charge_supported) ? true : false;
2384 else if (attr == &dev_attr_sleep_functions_on_battery.attr)
2385 exists = (drv->usb_sleep_charge_supported) ? true : false;
2386 else if (attr == &dev_attr_usb_rapid_charge.attr)
2387 exists = (drv->usb_rapid_charge_supported) ? true : false;
2388 else if (attr == &dev_attr_usb_sleep_music.attr)
2389 exists = (drv->usb_sleep_music_supported) ? true : false;
2390 else if (attr == &dev_attr_kbd_function_keys.attr)
2391 exists = (drv->kbd_function_keys_supported) ? true : false;
2392 else if (attr == &dev_attr_panel_power_on.attr)
2393 exists = (drv->panel_power_on_supported) ? true : false;
2394 else if (attr == &dev_attr_usb_three.attr)
2395 exists = (drv->usb_three_supported) ? true : false;
2396 else if (attr == &dev_attr_cooling_method.attr)
2397 exists = (drv->cooling_method_supported) ? true : false;
2398
2399 return exists ? attr->mode : 0;
2400}
2401
2402static struct attribute_group toshiba_attr_group = {
2403 .is_visible = toshiba_sysfs_is_visible,
2404 .attrs = toshiba_attributes,
2405};
2406
2407static void toshiba_acpi_kbd_bl_work(struct work_struct *work)
2408{
2409 struct acpi_device *acpi_dev = toshiba_acpi->acpi_dev;
2410
2411 /* Update the sysfs entries */
2412 if (sysfs_update_group(&acpi_dev->dev.kobj,
2413 &toshiba_attr_group))
2414 pr_err("Unable to update sysfs entries\n");
2415
2416 /* Emulate the keyboard backlight event */
2417 acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class,
2418 dev_name(&acpi_dev->dev),
2419 0x92, 0);
2420}
2421
2422/*
2423 * Misc device
2424 */
2425static int toshiba_acpi_smm_bridge(SMMRegisters *regs)
2426{
2427 u32 in[TCI_WORDS] = { regs->eax, regs->ebx, regs->ecx,
2428 regs->edx, regs->esi, regs->edi };
2429 u32 out[TCI_WORDS];
2430 acpi_status status;
2431
2432 status = tci_raw(toshiba_acpi, in, out);
2433 if (ACPI_FAILURE(status)) {
2434 pr_err("ACPI call to query SMM registers failed\n");
2435 return -EIO;
2436 }
2437
2438 /* Fillout the SMM struct with the TCI call results */
2439 regs->eax = out[0];
2440 regs->ebx = out[1];
2441 regs->ecx = out[2];
2442 regs->edx = out[3];
2443 regs->esi = out[4];
2444 regs->edi = out[5];
2445
2446 return 0;
2447}
2448
2449static long toshiba_acpi_ioctl(struct file *fp, unsigned int cmd,
2450 unsigned long arg)
2451{
2452 SMMRegisters __user *argp = (SMMRegisters __user *)arg;
2453 SMMRegisters regs;
2454 int ret;
2455
2456 if (!argp)
2457 return -EINVAL;
2458
2459 switch (cmd) {
2460 case TOSH_SMM:
2461 if (copy_from_user(®s, argp, sizeof(SMMRegisters)))
2462 return -EFAULT;
2463 ret = toshiba_acpi_smm_bridge(®s);
2464 if (ret)
2465 return ret;
2466 if (copy_to_user(argp, ®s, sizeof(SMMRegisters)))
2467 return -EFAULT;
2468 break;
2469 case TOSHIBA_ACPI_SCI:
2470 if (copy_from_user(®s, argp, sizeof(SMMRegisters)))
2471 return -EFAULT;
2472 /* Ensure we are being called with a SCI_{GET, SET} register */
2473 if (regs.eax != SCI_GET && regs.eax != SCI_SET)
2474 return -EINVAL;
2475 if (!sci_open(toshiba_acpi))
2476 return -EIO;
2477 ret = toshiba_acpi_smm_bridge(®s);
2478 sci_close(toshiba_acpi);
2479 if (ret)
2480 return ret;
2481 if (copy_to_user(argp, ®s, sizeof(SMMRegisters)))
2482 return -EFAULT;
2483 break;
2484 default:
2485 return -EINVAL;
2486 }
2487
2488 return 0;
2489}
2490
2491static const struct file_operations toshiba_acpi_fops = {
2492 .owner = THIS_MODULE,
2493 .unlocked_ioctl = toshiba_acpi_ioctl,
2494 .llseek = noop_llseek,
2495};
2496
2497/*
2498 * WWAN RFKill handlers
2499 */
2500static int toshiba_acpi_wwan_set_block(void *data, bool blocked)
2501{
2502 struct toshiba_acpi_dev *dev = data;
2503 int ret;
2504
2505 ret = toshiba_wireless_status(dev);
2506 if (ret)
2507 return ret;
2508
2509 if (!dev->killswitch)
2510 return 0;
2511
2512 return toshiba_wwan_set(dev, !blocked);
2513}
2514
2515static void toshiba_acpi_wwan_poll(struct rfkill *rfkill, void *data)
2516{
2517 struct toshiba_acpi_dev *dev = data;
2518
2519 if (toshiba_wireless_status(dev))
2520 return;
2521
2522 rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch);
2523}
2524
2525static const struct rfkill_ops wwan_rfk_ops = {
2526 .set_block = toshiba_acpi_wwan_set_block,
2527 .poll = toshiba_acpi_wwan_poll,
2528};
2529
2530static int toshiba_acpi_setup_wwan_rfkill(struct toshiba_acpi_dev *dev)
2531{
2532 int ret = toshiba_wireless_status(dev);
2533
2534 if (ret)
2535 return ret;
2536
2537 dev->wwan_rfk = rfkill_alloc("Toshiba WWAN",
2538 &dev->acpi_dev->dev,
2539 RFKILL_TYPE_WWAN,
2540 &wwan_rfk_ops,
2541 dev);
2542 if (!dev->wwan_rfk) {
2543 pr_err("Unable to allocate WWAN rfkill device\n");
2544 return -ENOMEM;
2545 }
2546
2547 rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch);
2548
2549 ret = rfkill_register(dev->wwan_rfk);
2550 if (ret) {
2551 pr_err("Unable to register WWAN rfkill device\n");
2552 rfkill_destroy(dev->wwan_rfk);
2553 }
2554
2555 return ret;
2556}
2557
2558/*
2559 * Hotkeys
2560 */
2561static int toshiba_acpi_enable_hotkeys(struct toshiba_acpi_dev *dev)
2562{
2563 acpi_status status;
2564 u32 result;
2565
2566 status = acpi_evaluate_object(dev->acpi_dev->handle,
2567 "ENAB", NULL, NULL);
2568 if (ACPI_FAILURE(status))
2569 return -ENODEV;
2570
2571 /*
2572 * Enable the "Special Functions" mode only if they are
2573 * supported and if they are activated.
2574 */
2575 if (dev->kbd_function_keys_supported && dev->special_functions)
2576 result = hci_write(dev, HCI_HOTKEY_EVENT,
2577 HCI_HOTKEY_SPECIAL_FUNCTIONS);
2578 else
2579 result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE);
2580
2581 if (result == TOS_FAILURE)
2582 return -EIO;
2583 else if (result == TOS_NOT_SUPPORTED)
2584 return -ENODEV;
2585
2586 return 0;
2587}
2588
2589static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str,
2590 struct serio *port)
2591{
2592 if (str & I8042_STR_AUXDATA)
2593 return false;
2594
2595 if (unlikely(data == 0xe0))
2596 return false;
2597
2598 if ((data & 0x7f) == TOS1900_FN_SCAN) {
2599 schedule_work(&toshiba_acpi->hotkey_work);
2600 return true;
2601 }
2602
2603 return false;
2604}
2605
2606static void toshiba_acpi_hotkey_work(struct work_struct *work)
2607{
2608 acpi_handle ec_handle = ec_get_handle();
2609 acpi_status status;
2610
2611 if (!ec_handle)
2612 return;
2613
2614 status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL);
2615 if (ACPI_FAILURE(status))
2616 pr_err("ACPI NTFY method execution failed\n");
2617}
2618
2619/*
2620 * Returns hotkey scancode, or < 0 on failure.
2621 */
2622static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev)
2623{
2624 unsigned long long value;
2625 acpi_status status;
2626
2627 status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO",
2628 NULL, &value);
2629 if (ACPI_FAILURE(status)) {
2630 pr_err("ACPI INFO method execution failed\n");
2631 return -EIO;
2632 }
2633
2634 return value;
2635}
2636
2637static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev,
2638 int scancode)
2639{
2640 if (scancode == 0x100)
2641 return;
2642
2643 /* Act on key press; ignore key release */
2644 if (scancode & 0x80)
2645 return;
2646
2647 if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true))
2648 pr_info("Unknown key %x\n", scancode);
2649}
2650
2651static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev)
2652{
2653 if (dev->info_supported) {
2654 int scancode = toshiba_acpi_query_hotkey(dev);
2655
2656 if (scancode < 0) {
2657 pr_err("Failed to query hotkey event\n");
2658 } else if (scancode != 0) {
2659 toshiba_acpi_report_hotkey(dev, scancode);
2660 dev->key_event_valid = 1;
2661 dev->last_key_event = scancode;
2662 }
2663 } else if (dev->system_event_supported) {
2664 u32 result;
2665 u32 value;
2666 int retries = 3;
2667
2668 do {
2669 result = hci_read(dev, HCI_SYSTEM_EVENT, &value);
2670 switch (result) {
2671 case TOS_SUCCESS:
2672 toshiba_acpi_report_hotkey(dev, (int)value);
2673 dev->key_event_valid = 1;
2674 dev->last_key_event = value;
2675 break;
2676 case TOS_NOT_SUPPORTED:
2677 /*
2678 * This is a workaround for an unresolved
2679 * issue on some machines where system events
2680 * sporadically become disabled.
2681 */
2682 result = hci_write(dev, HCI_SYSTEM_EVENT, 1);
2683 if (result == TOS_SUCCESS)
2684 pr_notice("Re-enabled hotkeys\n");
2685 /* Fall through */
2686 default:
2687 retries--;
2688 break;
2689 }
2690 } while (retries && result != TOS_FIFO_EMPTY);
2691 }
2692}
2693
2694static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
2695{
2696 const struct key_entry *keymap = toshiba_acpi_keymap;
2697 acpi_handle ec_handle;
2698 int error;
2699
2700 if (disable_hotkeys) {
2701 pr_info("Hotkeys disabled by module parameter\n");
2702 return 0;
2703 }
2704
2705 if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) {
2706 pr_info("WMI event detected, hotkeys will not be monitored\n");
2707 return 0;
2708 }
2709
2710 error = toshiba_acpi_enable_hotkeys(dev);
2711 if (error)
2712 return error;
2713
2714 if (toshiba_hotkey_event_type_get(dev, &dev->hotkey_event_type))
2715 pr_notice("Unable to query Hotkey Event Type\n");
2716
2717 dev->hotkey_dev = input_allocate_device();
2718 if (!dev->hotkey_dev)
2719 return -ENOMEM;
2720
2721 dev->hotkey_dev->name = "Toshiba input device";
2722 dev->hotkey_dev->phys = "toshiba_acpi/input0";
2723 dev->hotkey_dev->id.bustype = BUS_HOST;
2724
2725 if (dev->hotkey_event_type == HCI_SYSTEM_TYPE1 ||
2726 !dev->kbd_function_keys_supported)
2727 keymap = toshiba_acpi_keymap;
2728 else if (dev->hotkey_event_type == HCI_SYSTEM_TYPE2 ||
2729 dev->kbd_function_keys_supported)
2730 keymap = toshiba_acpi_alt_keymap;
2731 else
2732 pr_info("Unknown event type received %x\n",
2733 dev->hotkey_event_type);
2734 error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL);
2735 if (error)
2736 goto err_free_dev;
2737
2738 /*
2739 * For some machines the SCI responsible for providing hotkey
2740 * notification doesn't fire. We can trigger the notification
2741 * whenever the Fn key is pressed using the NTFY method, if
2742 * supported, so if it's present set up an i8042 key filter
2743 * for this purpose.
2744 */
2745 ec_handle = ec_get_handle();
2746 if (ec_handle && acpi_has_method(ec_handle, "NTFY")) {
2747 INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work);
2748
2749 error = i8042_install_filter(toshiba_acpi_i8042_filter);
2750 if (error) {
2751 pr_err("Error installing key filter\n");
2752 goto err_free_keymap;
2753 }
2754
2755 dev->ntfy_supported = 1;
2756 }
2757
2758 /*
2759 * Determine hotkey query interface. Prefer using the INFO
2760 * method when it is available.
2761 */
2762 if (acpi_has_method(dev->acpi_dev->handle, "INFO"))
2763 dev->info_supported = 1;
2764 else if (hci_write(dev, HCI_SYSTEM_EVENT, 1) == TOS_SUCCESS)
2765 dev->system_event_supported = 1;
2766
2767 if (!dev->info_supported && !dev->system_event_supported) {
2768 pr_warn("No hotkey query interface found\n");
2769 goto err_remove_filter;
2770 }
2771
2772 error = input_register_device(dev->hotkey_dev);
2773 if (error) {
2774 pr_info("Unable to register input device\n");
2775 goto err_remove_filter;
2776 }
2777
2778 return 0;
2779
2780 err_remove_filter:
2781 if (dev->ntfy_supported)
2782 i8042_remove_filter(toshiba_acpi_i8042_filter);
2783 err_free_keymap:
2784 sparse_keymap_free(dev->hotkey_dev);
2785 err_free_dev:
2786 input_free_device(dev->hotkey_dev);
2787 dev->hotkey_dev = NULL;
2788 return error;
2789}
2790
2791static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
2792{
2793 struct backlight_properties props;
2794 int brightness;
2795 int ret;
2796
2797 /*
2798 * Some machines don't support the backlight methods at all, and
2799 * others support it read-only. Either of these is pretty useless,
2800 * so only register the backlight device if the backlight method
2801 * supports both reads and writes.
2802 */
2803 brightness = __get_lcd_brightness(dev);
2804 if (brightness < 0)
2805 return 0;
2806 /*
2807 * If transflective backlight is supported and the brightness is zero
2808 * (lowest brightness level), the set_lcd_brightness function will
2809 * activate the transflective backlight, making the LCD appear to be
2810 * turned off, simply increment the brightness level to avoid that.
2811 */
2812 if (dev->tr_backlight_supported && brightness == 0)
2813 brightness++;
2814 ret = set_lcd_brightness(dev, brightness);
2815 if (ret) {
2816 pr_debug("Backlight method is read-only, disabling backlight support\n");
2817 return 0;
2818 }
2819
2820 /*
2821 * Tell acpi-video-detect code to prefer vendor backlight on all
2822 * systems with transflective backlight and on dmi matched systems.
2823 */
2824 if (dev->tr_backlight_supported ||
2825 dmi_check_system(toshiba_vendor_backlight_dmi))
2826 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2827
2828 if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
2829 return 0;
2830
2831 memset(&props, 0, sizeof(props));
2832 props.type = BACKLIGHT_PLATFORM;
2833 props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
2834
2835 /* Adding an extra level and having 0 change to transflective mode */
2836 if (dev->tr_backlight_supported)
2837 props.max_brightness++;
2838
2839 dev->backlight_dev = backlight_device_register("toshiba",
2840 &dev->acpi_dev->dev,
2841 dev,
2842 &toshiba_backlight_data,
2843 &props);
2844 if (IS_ERR(dev->backlight_dev)) {
2845 ret = PTR_ERR(dev->backlight_dev);
2846 pr_err("Could not register toshiba backlight device\n");
2847 dev->backlight_dev = NULL;
2848 return ret;
2849 }
2850
2851 dev->backlight_dev->props.brightness = brightness;
2852 return 0;
2853}
2854
2855static void print_supported_features(struct toshiba_acpi_dev *dev)
2856{
2857 pr_info("Supported laptop features:");
2858
2859 if (dev->hotkey_dev)
2860 pr_cont(" hotkeys");
2861 if (dev->backlight_dev)
2862 pr_cont(" backlight");
2863 if (dev->video_supported)
2864 pr_cont(" video-out");
2865 if (dev->fan_supported)
2866 pr_cont(" fan");
2867 if (dev->tr_backlight_supported)
2868 pr_cont(" transflective-backlight");
2869 if (dev->illumination_supported)
2870 pr_cont(" illumination");
2871 if (dev->kbd_illum_supported)
2872 pr_cont(" keyboard-backlight");
2873 if (dev->touchpad_supported)
2874 pr_cont(" touchpad");
2875 if (dev->eco_supported)
2876 pr_cont(" eco-led");
2877 if (dev->accelerometer_supported)
2878 pr_cont(" accelerometer-axes");
2879 if (dev->usb_sleep_charge_supported)
2880 pr_cont(" usb-sleep-charge");
2881 if (dev->usb_rapid_charge_supported)
2882 pr_cont(" usb-rapid-charge");
2883 if (dev->usb_sleep_music_supported)
2884 pr_cont(" usb-sleep-music");
2885 if (dev->kbd_function_keys_supported)
2886 pr_cont(" special-function-keys");
2887 if (dev->panel_power_on_supported)
2888 pr_cont(" panel-power-on");
2889 if (dev->usb_three_supported)
2890 pr_cont(" usb3");
2891 if (dev->wwan_supported)
2892 pr_cont(" wwan");
2893 if (dev->cooling_method_supported)
2894 pr_cont(" cooling-method");
2895
2896 pr_cont("\n");
2897}
2898
2899static int toshiba_acpi_remove(struct acpi_device *acpi_dev)
2900{
2901 struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
2902
2903 misc_deregister(&dev->miscdev);
2904
2905 remove_toshiba_proc_entries(dev);
2906
2907 if (dev->sysfs_created)
2908 sysfs_remove_group(&dev->acpi_dev->dev.kobj,
2909 &toshiba_attr_group);
2910
2911 if (dev->ntfy_supported) {
2912 i8042_remove_filter(toshiba_acpi_i8042_filter);
2913 cancel_work_sync(&dev->hotkey_work);
2914 }
2915
2916 if (dev->hotkey_dev) {
2917 input_unregister_device(dev->hotkey_dev);
2918 sparse_keymap_free(dev->hotkey_dev);
2919 }
2920
2921 backlight_device_unregister(dev->backlight_dev);
2922
2923 if (dev->illumination_led_registered)
2924 led_classdev_unregister(&dev->led_dev);
2925
2926 if (dev->kbd_led_registered)
2927 led_classdev_unregister(&dev->kbd_led);
2928
2929 if (dev->eco_led_registered)
2930 led_classdev_unregister(&dev->eco_led);
2931
2932 if (dev->wwan_rfk) {
2933 rfkill_unregister(dev->wwan_rfk);
2934 rfkill_destroy(dev->wwan_rfk);
2935 }
2936
2937 if (toshiba_acpi)
2938 toshiba_acpi = NULL;
2939
2940 kfree(dev);
2941
2942 return 0;
2943}
2944
2945static const char *find_hci_method(acpi_handle handle)
2946{
2947 if (acpi_has_method(handle, "GHCI"))
2948 return "GHCI";
2949
2950 if (acpi_has_method(handle, "SPFC"))
2951 return "SPFC";
2952
2953 return NULL;
2954}
2955
2956static int toshiba_acpi_add(struct acpi_device *acpi_dev)
2957{
2958 struct toshiba_acpi_dev *dev;
2959 const char *hci_method;
2960 u32 dummy;
2961 int ret = 0;
2962
2963 if (toshiba_acpi)
2964 return -EBUSY;
2965
2966 pr_info("Toshiba Laptop ACPI Extras version %s\n",
2967 TOSHIBA_ACPI_VERSION);
2968
2969 hci_method = find_hci_method(acpi_dev->handle);
2970 if (!hci_method) {
2971 pr_err("HCI interface not found\n");
2972 return -ENODEV;
2973 }
2974
2975 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
2976 if (!dev)
2977 return -ENOMEM;
2978 dev->acpi_dev = acpi_dev;
2979 dev->method_hci = hci_method;
2980 dev->miscdev.minor = MISC_DYNAMIC_MINOR;
2981 dev->miscdev.name = "toshiba_acpi";
2982 dev->miscdev.fops = &toshiba_acpi_fops;
2983
2984 ret = misc_register(&dev->miscdev);
2985 if (ret) {
2986 pr_err("Failed to register miscdevice\n");
2987 kfree(dev);
2988 return ret;
2989 }
2990
2991 acpi_dev->driver_data = dev;
2992 dev_set_drvdata(&acpi_dev->dev, dev);
2993
2994 /* Query the BIOS for supported features */
2995
2996 /*
2997 * The "Special Functions" are always supported by the laptops
2998 * with the new keyboard layout, query for its presence to help
2999 * determine the keymap layout to use.
3000 */
3001 ret = toshiba_function_keys_get(dev, &dev->special_functions);
3002 dev->kbd_function_keys_supported = !ret;
3003
3004 dev->hotkey_event_type = 0;
3005 if (toshiba_acpi_setup_keyboard(dev))
3006 pr_info("Unable to activate hotkeys\n");
3007
3008 /* Determine whether or not BIOS supports transflective backlight */
3009 ret = get_tr_backlight_status(dev, &dummy);
3010 dev->tr_backlight_supported = !ret;
3011
3012 ret = toshiba_acpi_setup_backlight(dev);
3013 if (ret)
3014 goto error;
3015
3016 toshiba_illumination_available(dev);
3017 if (dev->illumination_supported) {
3018 dev->led_dev.name = "toshiba::illumination";
3019 dev->led_dev.max_brightness = 1;
3020 dev->led_dev.brightness_set = toshiba_illumination_set;
3021 dev->led_dev.brightness_get = toshiba_illumination_get;
3022 if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev))
3023 dev->illumination_led_registered = true;
3024 }
3025
3026 toshiba_eco_mode_available(dev);
3027 if (dev->eco_supported) {
3028 dev->eco_led.name = "toshiba::eco_mode";
3029 dev->eco_led.max_brightness = 1;
3030 dev->eco_led.brightness_set = toshiba_eco_mode_set_status;
3031 dev->eco_led.brightness_get = toshiba_eco_mode_get_status;
3032 if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led))
3033 dev->eco_led_registered = true;
3034 }
3035
3036 toshiba_kbd_illum_available(dev);
3037 /*
3038 * Only register the LED if KBD illumination is supported
3039 * and the keyboard backlight operation mode is set to FN-Z
3040 */
3041 if (dev->kbd_illum_supported && dev->kbd_mode == SCI_KBD_MODE_FNZ) {
3042 dev->kbd_led.name = "toshiba::kbd_backlight";
3043 dev->kbd_led.max_brightness = 1;
3044 dev->kbd_led.brightness_set = toshiba_kbd_backlight_set;
3045 dev->kbd_led.brightness_get = toshiba_kbd_backlight_get;
3046 if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led))
3047 dev->kbd_led_registered = true;
3048 }
3049
3050 ret = toshiba_touchpad_get(dev, &dummy);
3051 dev->touchpad_supported = !ret;
3052
3053 toshiba_accelerometer_available(dev);
3054
3055 toshiba_usb_sleep_charge_available(dev);
3056
3057 ret = toshiba_usb_rapid_charge_get(dev, &dummy);
3058 dev->usb_rapid_charge_supported = !ret;
3059
3060 ret = toshiba_usb_sleep_music_get(dev, &dummy);
3061 dev->usb_sleep_music_supported = !ret;
3062
3063 ret = toshiba_panel_power_on_get(dev, &dummy);
3064 dev->panel_power_on_supported = !ret;
3065
3066 ret = toshiba_usb_three_get(dev, &dummy);
3067 dev->usb_three_supported = !ret;
3068
3069 ret = get_video_status(dev, &dummy);
3070 dev->video_supported = !ret;
3071
3072 ret = get_fan_status(dev, &dummy);
3073 dev->fan_supported = !ret;
3074
3075 toshiba_wwan_available(dev);
3076 if (dev->wwan_supported)
3077 toshiba_acpi_setup_wwan_rfkill(dev);
3078
3079 toshiba_cooling_method_available(dev);
3080
3081 print_supported_features(dev);
3082
3083 ret = sysfs_create_group(&dev->acpi_dev->dev.kobj,
3084 &toshiba_attr_group);
3085 if (ret) {
3086 dev->sysfs_created = 0;
3087 goto error;
3088 }
3089 dev->sysfs_created = !ret;
3090
3091 create_toshiba_proc_entries(dev);
3092
3093 toshiba_acpi = dev;
3094
3095 return 0;
3096
3097error:
3098 toshiba_acpi_remove(acpi_dev);
3099 return ret;
3100}
3101
3102static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
3103{
3104 struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
3105
3106 switch (event) {
3107 case 0x80: /* Hotkeys and some system events */
3108 /*
3109 * Machines with this WMI GUID aren't supported due to bugs in
3110 * their AML.
3111 *
3112 * Return silently to avoid triggering a netlink event.
3113 */
3114 if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
3115 return;
3116 toshiba_acpi_process_hotkeys(dev);
3117 break;
3118 case 0x81: /* Dock events */
3119 case 0x82:
3120 case 0x83:
3121 pr_info("Dock event received %x\n", event);
3122 break;
3123 case 0x88: /* Thermal events */
3124 pr_info("Thermal event received\n");
3125 break;
3126 case 0x8f: /* LID closed */
3127 case 0x90: /* LID is closed and Dock has been ejected */
3128 break;
3129 case 0x8c: /* SATA power events */
3130 case 0x8b:
3131 pr_info("SATA power event received %x\n", event);
3132 break;
3133 case 0x92: /* Keyboard backlight mode changed */
3134 toshiba_acpi->kbd_event_generated = true;
3135 /* Update sysfs entries */
3136 if (sysfs_update_group(&acpi_dev->dev.kobj,
3137 &toshiba_attr_group))
3138 pr_err("Unable to update sysfs entries\n");
3139 break;
3140 case 0x85: /* Unknown */
3141 case 0x8d: /* Unknown */
3142 case 0x8e: /* Unknown */
3143 case 0x94: /* Unknown */
3144 case 0x95: /* Unknown */
3145 default:
3146 pr_info("Unknown event received %x\n", event);
3147 break;
3148 }
3149
3150 acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class,
3151 dev_name(&acpi_dev->dev),
3152 event, (event == 0x80) ?
3153 dev->last_key_event : 0);
3154}
3155
3156#ifdef CONFIG_PM_SLEEP
3157static int toshiba_acpi_suspend(struct device *device)
3158{
3159 struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
3160
3161 if (dev->hotkey_dev) {
3162 u32 result;
3163
3164 result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE);
3165 if (result != TOS_SUCCESS)
3166 pr_info("Unable to disable hotkeys\n");
3167 }
3168
3169 return 0;
3170}
3171
3172static int toshiba_acpi_resume(struct device *device)
3173{
3174 struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
3175
3176 if (dev->hotkey_dev) {
3177 if (toshiba_acpi_enable_hotkeys(dev))
3178 pr_info("Unable to re-enable hotkeys\n");
3179 }
3180
3181 if (dev->wwan_rfk) {
3182 if (!toshiba_wireless_status(dev))
3183 rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch);
3184 }
3185
3186 return 0;
3187}
3188#endif
3189
3190static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm,
3191 toshiba_acpi_suspend, toshiba_acpi_resume);
3192
3193static struct acpi_driver toshiba_acpi_driver = {
3194 .name = "Toshiba ACPI driver",
3195 .owner = THIS_MODULE,
3196 .ids = toshiba_device_ids,
3197 .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
3198 .ops = {
3199 .add = toshiba_acpi_add,
3200 .remove = toshiba_acpi_remove,
3201 .notify = toshiba_acpi_notify,
3202 },
3203 .drv.pm = &toshiba_acpi_pm,
3204};
3205
3206static int __init toshiba_acpi_init(void)
3207{
3208 int ret;
3209
3210 toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
3211 if (!toshiba_proc_dir) {
3212 pr_err("Unable to create proc dir " PROC_TOSHIBA "\n");
3213 return -ENODEV;
3214 }
3215
3216 ret = acpi_bus_register_driver(&toshiba_acpi_driver);
3217 if (ret) {
3218 pr_err("Failed to register ACPI driver: %d\n", ret);
3219 remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
3220 }
3221
3222 return ret;
3223}
3224
3225static void __exit toshiba_acpi_exit(void)
3226{
3227 acpi_bus_unregister_driver(&toshiba_acpi_driver);
3228 if (toshiba_proc_dir)
3229 remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
3230}
3231
3232module_init(toshiba_acpi_init);
3233module_exit(toshiba_acpi_exit);