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[mirror_ubuntu-bionic-kernel.git] / drivers / input / keyboard / atkbd.c
CommitLineData
1da177e4
LT		 1/*
2 * AT and PS/2 keyboard driver
3 *
4 * Copyright (c) 1999-2002 Vojtech Pavlik
5 */
6
7/*
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published by
10 * the Free Software Foundation.
11 */
12
13/*
14 * This driver can handle standard AT keyboards and PS/2 keyboards in
15 * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb
16 * input-only controllers and AT keyboards connected over a one way RS232
17 * converter.
18 */
19
20#include <linux/delay.h>
21#include <linux/module.h>
1da177e4
LT		 22#include <linux/slab.h>
23#include <linux/interrupt.h>
24#include <linux/init.h>
25#include <linux/input.h>
26#include <linux/serio.h>
27#include <linux/workqueue.h>
28#include <linux/libps2.h>
33d3f07a 29#include <linux/mutex.h>
554101e3 30#include <linux/dmi.h>
1da177e4
LT		 31
32#define DRIVER_DESC "AT and PS/2 keyboard driver"
33
34MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
35MODULE_DESCRIPTION(DRIVER_DESC);
36MODULE_LICENSE("GPL");
37
38static int atkbd_set = 2;
39module_param_named(set, atkbd_set, int, 0);
40MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)");
41
42#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
43static int atkbd_reset;
44#else
45static int atkbd_reset = 1;
46#endif
47module_param_named(reset, atkbd_reset, bool, 0);
48MODULE_PARM_DESC(reset, "Reset keyboard during initialization");
49
50static int atkbd_softrepeat;
51module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
52MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
53
54static int atkbd_softraw = 1;
55module_param_named(softraw, atkbd_softraw, bool, 0);
56MODULE_PARM_DESC(softraw, "Use software generated rawmode");
57
0ae051a1 58static int atkbd_scroll;
1da177e4
LT		 59module_param_named(scroll, atkbd_scroll, bool, 0);
60MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
61
62static int atkbd_extra;
63module_param_named(extra, atkbd_extra, bool, 0);
64MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
65
1da177e4
LT		 66/*
67 * Scancode to keycode tables. These are just the default setting, and
0211a9c8 68 * are loadable via a userland utility.
1da177e4
LT		 69 */
70
f6d65610 71static const unsigned short atkbd_set2_keycode[512] = {
1da177e4
LT		 72
73#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
74
75/* XXX: need a more general approach */
76
77#include "hpps2atkbd.h" /* include the keyboard scancodes */
78
79#else
80 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
81 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
82 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183,
83 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185,
84 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
85 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85,
86 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0,
87 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
88
89 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
90 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125,
91 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127,
72a42f24 92 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142,
1da177e4
LT		 93 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0,
94 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0,
95 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112,
96 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
97
98 0, 0, 0, 65, 99,
99#endif
100};
101
f6d65610 102static const unsigned short atkbd_set3_keycode[512] = {
1da177e4
LT		 103
104 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60,
105 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62,
106 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64,
107 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66,
108 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68,
109 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70,
110 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104,
111 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183,
112
113 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0,
72a42f24 114 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168,
1da177e4
LT		 115 148,149,147,140
116};
117
f6d65610 118static const unsigned short atkbd_unxlate_table[128] = {
1da177e4
LT		 119 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
120 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
121 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
122 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
123 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
124 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
125 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
126 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
127};
128
129#define ATKBD_CMD_SETLEDS 0x10ed
130#define ATKBD_CMD_GSCANSET 0x11f0
131#define ATKBD_CMD_SSCANSET 0x10f0
132#define ATKBD_CMD_GETID 0x02f2
133#define ATKBD_CMD_SETREP 0x10f3
134#define ATKBD_CMD_ENABLE 0x00f4
135#define ATKBD_CMD_RESET_DIS 0x00f5
136#define ATKBD_CMD_SETALL_MBR 0x00fa
137#define ATKBD_CMD_RESET_BAT 0x02ff
138#define ATKBD_CMD_RESEND 0x00fe
139#define ATKBD_CMD_EX_ENABLE 0x10ea
140#define ATKBD_CMD_EX_SETLEDS 0x20eb
141#define ATKBD_CMD_OK_GETID 0x02e8
142
143#define ATKBD_RET_ACK 0xfa
144#define ATKBD_RET_NAK 0xfe
145#define ATKBD_RET_BAT 0xaa
146#define ATKBD_RET_EMUL0 0xe0
147#define ATKBD_RET_EMUL1 0xe1
148#define ATKBD_RET_RELEASE 0xf0
0ae051a1
DT		 149#define ATKBD_RET_HANJA 0xf1
150#define ATKBD_RET_HANGEUL 0xf2
1da177e4
LT		 151#define ATKBD_RET_ERR 0xff
152
153#define ATKBD_KEY_UNKNOWN 0
154#define ATKBD_KEY_NULL 255
155
156#define ATKBD_SCR_1 254
157#define ATKBD_SCR_2 253
158#define ATKBD_SCR_4 252
159#define ATKBD_SCR_8 251
160#define ATKBD_SCR_CLICK 250
161#define ATKBD_SCR_LEFT 249
162#define ATKBD_SCR_RIGHT 248
163
f6d65610 164#define ATKBD_SPECIAL ATKBD_SCR_RIGHT
1da177e4 165
0d4c8597
DT		 166#define ATKBD_LED_EVENT_BIT 0
167#define ATKBD_REP_EVENT_BIT 1
168
0ae051a1
DT		 169#define ATKBD_XL_ERR 0x01
170#define ATKBD_XL_BAT 0x02
171#define ATKBD_XL_ACK 0x04
172#define ATKBD_XL_NAK 0x08
173#define ATKBD_XL_HANGEUL 0x10
174#define ATKBD_XL_HANJA 0x20
175
f6d65610 176static const struct {
1da177e4
LT		 177 unsigned char keycode;
178 unsigned char set2;
179} atkbd_scroll_keys[] = {
180 { ATKBD_SCR_1, 0xc5 },
5212dd58
VP		 181 { ATKBD_SCR_2, 0x9d },
182 { ATKBD_SCR_4, 0xa4 },
183 { ATKBD_SCR_8, 0x9b },
1da177e4
LT		 184 { ATKBD_SCR_CLICK, 0xe0 },
185 { ATKBD_SCR_LEFT, 0xcb },
186 { ATKBD_SCR_RIGHT, 0xd2 },
187};
188
189/*
190 * The atkbd control structure
191 */
192
193struct atkbd {
194
3c42f0c3
DT		 195 struct ps2dev ps2dev;
196 struct input_dev *dev;
1da177e4
LT		 197
198 /* Written only during init */
199 char name[64];
200 char phys[32];
1da177e4
LT		 201
202 unsigned short id;
f6d65610 203 unsigned short keycode[512];
554101e3 204 DECLARE_BITMAP(force_release_mask, 512);
1da177e4
LT		 205 unsigned char set;
206 unsigned char translated;
207 unsigned char extra;
208 unsigned char write;
209 unsigned char softrepeat;
210 unsigned char softraw;
211 unsigned char scroll;
212 unsigned char enabled;
213
214 /* Accessed only from interrupt */
215 unsigned char emul;
216 unsigned char resend;
217 unsigned char release;
0ae051a1 218 unsigned long xl_bit;
1da177e4
LT		 219 unsigned int last;
220 unsigned long time;
86255d9d 221 unsigned long err_count;
0d4c8597 222
da4249c9
DT		 223 struct delayed_work event_work;
224 unsigned long event_jiffies;
33d3f07a 225 struct mutex event_mutex;
0d4c8597 226 unsigned long event_mask;
1da177e4
LT		 227};
228
554101e3
GN		 229/*
230 * System-specific ketymap fixup routine
231 */
39191698
DM		 232static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
233static void *atkbd_platform_fixup_data;
554101e3 234
1da177e4
LT		 235static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
236 ssize_t (*handler)(struct atkbd *, char *));
237static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
238 ssize_t (*handler)(struct atkbd *, const char *, size_t));
239#define ATKBD_DEFINE_ATTR(_name) \
240static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
241static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
86255d9d
DT		 242static ssize_t atkbd_do_show_##_name(struct device *d, \
243 struct device_attribute *attr, char *b) \
1da177e4
LT		 244{ \
245 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
246} \
86255d9d
DT		 247static ssize_t atkbd_do_set_##_name(struct device *d, \
248 struct device_attribute *attr, const char *b, size_t s) \
1da177e4
LT		 249{ \
250 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
251} \
d083e906 252static struct device_attribute atkbd_attr_##_name = \
1da177e4
LT		 253 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
254
255ATKBD_DEFINE_ATTR(extra);
256ATKBD_DEFINE_ATTR(scroll);
257ATKBD_DEFINE_ATTR(set);
258ATKBD_DEFINE_ATTR(softrepeat);
259ATKBD_DEFINE_ATTR(softraw);
260
86255d9d
DT		 261#define ATKBD_DEFINE_RO_ATTR(_name) \
262static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
263static ssize_t atkbd_do_show_##_name(struct device *d, \
264 struct device_attribute *attr, char *b) \
265{ \
266 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
267} \
268static struct device_attribute atkbd_attr_##_name = \
269 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
270
271ATKBD_DEFINE_RO_ATTR(err_count);
272
273static struct attribute *atkbd_attributes[] = {
274 &atkbd_attr_extra.attr,
275 &atkbd_attr_scroll.attr,
276 &atkbd_attr_set.attr,
277 &atkbd_attr_softrepeat.attr,
278 &atkbd_attr_softraw.attr,
279 &atkbd_attr_err_count.attr,
280 NULL
281};
282
283static struct attribute_group atkbd_attribute_group = {
284 .attrs = atkbd_attributes,
285};
286
0ae051a1
DT		 287static const unsigned int xl_table[] = {
288 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
289 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
290};
1da177e4 291
0ae051a1
DT		 292/*
293 * Checks if we should mangle the scancode to extract 'release' bit
294 * in translated mode.
295 */
296static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
1da177e4 297{
0ae051a1
DT		 298 int i;
299
300 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
301 return 0;
302
303 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
304 if (code == xl_table[i])
305 return test_bit(i, &xl_bit);
306
307 return 1;
308}
309
310/*
311 * Calculates new value of xl_bit so the driver can distinguish
312 * between make/break pair of scancodes for select keys and PS/2
313 * protocol responses.
314 */
315static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
316{
317 int i;
318
319 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
320 if (!((code ^ xl_table[i]) & 0x7f)) {
321 if (code & 0x80)
322 __clear_bit(i, &atkbd->xl_bit);
323 else
324 __set_bit(i, &atkbd->xl_bit);
325 break;
326 }
327 }
328}
329
330/*
331 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
332 * keeping kernel 2.4 compatibility for set 2
333 */
334static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
335{
336 if (atkbd->set == 3) {
337 if (atkbd->emul == 1)
338 code |= 0x100;
339 } else {
340 code = (code & 0x7f) | ((code & 0x80) << 1);
341 if (atkbd->emul == 1)
342 code |= 0x80;
343 }
344
345 return code;
1da177e4
LT		 346}
347
348/*
349 * atkbd_interrupt(). Here takes place processing of data received from
350 * the keyboard into events.
351 */
352
353static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
7d12e780 354 unsigned int flags)
1da177e4
LT		 355{
356 struct atkbd *atkbd = serio_get_drvdata(serio);
0ae051a1 357 struct input_dev *dev = atkbd->dev;
1da177e4 358 unsigned int code = data;
554101e3 359 int scroll = 0, hscroll = 0, click = -1;
1da177e4 360 int value;
f6d65610 361 unsigned short keycode;
1da177e4
LT		 362
363#ifdef ATKBD_DEBUG
364 printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
365#endif
366
367#if !defined(__i386__) && !defined (__x86_64__)
368 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
369 printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
370 serio_write(serio, ATKBD_CMD_RESEND);
371 atkbd->resend = 1;
372 goto out;
373 }
374
375 if (!flags && data == ATKBD_RET_ACK)
376 atkbd->resend = 0;
377#endif
378
379 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
380 if (ps2_handle_ack(&atkbd->ps2dev, data))
381 goto out;
382
383 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
384 if (ps2_handle_response(&atkbd->ps2dev, data))
385 goto out;
386
387 if (!atkbd->enabled)
388 goto out;
389
0ae051a1 390 input_event(dev, EV_MSC, MSC_RAW, code);
1da177e4
LT		 391
392 if (atkbd->translated) {
393
0ae051a1 394 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
1da177e4
LT		 395 atkbd->release = code >> 7;
396 code &= 0x7f;
397 }
398
0ae051a1
DT		 399 if (!atkbd->emul)
400 atkbd_calculate_xl_bit(atkbd, data);
1da177e4
LT		 401 }
402
403 switch (code) {
404 case ATKBD_RET_BAT:
405 atkbd->enabled = 0;
dbc26344 406 serio_reconnect(atkbd->ps2dev.serio);
1da177e4
LT		 407 goto out;
408 case ATKBD_RET_EMUL0:
409 atkbd->emul = 1;
410 goto out;
411 case ATKBD_RET_EMUL1:
412 atkbd->emul = 2;
413 goto out;
414 case ATKBD_RET_RELEASE:
415 atkbd->release = 1;
416 goto out;
0ae051a1
DT		 417 case ATKBD_RET_ACK:
418 case ATKBD_RET_NAK:
9f7a60d6
QY		 419 if (printk_ratelimit())
420 printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
421 "Some program might be trying access hardware directly.\n",
422 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
1da177e4 423 goto out;
1da177e4 424 case ATKBD_RET_ERR:
86255d9d
DT		 425 atkbd->err_count++;
426#ifdef ATKBD_DEBUG
1da177e4 427 printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
86255d9d 428#endif
1da177e4
LT		 429 goto out;
430 }
431
0ae051a1
DT		 432 code = atkbd_compat_scancode(atkbd, code);
433
434 if (atkbd->emul && --atkbd->emul)
435 goto out;
436
437 keycode = atkbd->keycode[code];
1da177e4 438
0ae051a1
DT		 439 if (keycode != ATKBD_KEY_NULL)
440 input_event(dev, EV_MSC, MSC_SCAN, code);
1da177e4 441
0ae051a1 442 switch (keycode) {
1da177e4
LT		 443 case ATKBD_KEY_NULL:
444 break;
445 case ATKBD_KEY_UNKNOWN:
0ae051a1
DT		 446 printk(KERN_WARNING
447 "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
448 atkbd->release ? "released" : "pressed",
449 atkbd->translated ? "translated" : "raw",
450 atkbd->set, code, serio->phys);
451 printk(KERN_WARNING
452 "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
453 code & 0x80 ? "e0" : "", code & 0x7f);
454 input_sync(dev);
1da177e4
LT		 455 break;
456 case ATKBD_SCR_1:
457 scroll = 1 - atkbd->release * 2;
458 break;
459 case ATKBD_SCR_2:
460 scroll = 2 - atkbd->release * 4;
461 break;
462 case ATKBD_SCR_4:
463 scroll = 4 - atkbd->release * 8;
464 break;
465 case ATKBD_SCR_8:
466 scroll = 8 - atkbd->release * 16;
467 break;
468 case ATKBD_SCR_CLICK:
469 click = !atkbd->release;
470 break;
471 case ATKBD_SCR_LEFT:
472 hscroll = -1;
473 break;
474 case ATKBD_SCR_RIGHT:
475 hscroll = 1;
476 break;
477 default:
0ae051a1
DT		 478 if (atkbd->release) {
479 value = 0;
480 atkbd->last = 0;
481 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
482 /* Workaround Toshiba laptop multiple keypress */
483 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
484 } else {
485 value = 1;
486 atkbd->last = code;
487 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
1da177e4
LT		 488 }
489
f8b4c46c 490 input_event(dev, EV_KEY, keycode, value);
0ae051a1
DT		 491 input_sync(dev);
492
554101e3 493 if (value && test_bit(code, atkbd->force_release_mask)) {
0ae051a1
DT		 494 input_report_key(dev, keycode, 0);
495 input_sync(dev);
496 }
1da177e4
LT		 497 }
498
499 if (atkbd->scroll) {
1da177e4 500 if (click != -1)
0ae051a1
DT		 501 input_report_key(dev, BTN_MIDDLE, click);
502 input_report_rel(dev, REL_WHEEL, scroll);
503 input_report_rel(dev, REL_HWHEEL, hscroll);
504 input_sync(dev);
1da177e4
LT		 505 }
506
507 atkbd->release = 0;
508out:
509 return IRQ_HANDLED;
510}
511
3d0f0fa0 512static int atkbd_set_repeat_rate(struct atkbd *atkbd)
1da177e4 513{
1da177e4
LT		 514 const short period[32] =
515 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
516 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
517 const short delay[4] =
518 { 250, 500, 750, 1000 };
0d4c8597 519
3d0f0fa0
DT		 520 struct input_dev *dev = atkbd->dev;
521 unsigned char param;
522 int i = 0, j = 0;
523
524 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
525 i++;
526 dev->rep[REP_PERIOD] = period[i];
527
8ea371fb 528 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
3d0f0fa0
DT		 529 j++;
530 dev->rep[REP_DELAY] = delay[j];
531
532 param = i | (j << 5);
533 return ps2_command(&atkbd->ps2dev, &param, ATKBD_CMD_SETREP);
534}
535
536static int atkbd_set_leds(struct atkbd *atkbd)
537{
0d4c8597 538 struct input_dev *dev = atkbd->dev;
1da177e4 539 unsigned char param[2];
1da177e4 540
3d0f0fa0
DT		 541 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
542 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
543 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
544 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
545 return -1;
0d4c8597 546
3d0f0fa0
DT		 547 if (atkbd->extra) {
548 param[0] = 0;
549 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
550 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
551 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
552 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
553 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
554 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
555 return -1;
0d4c8597
DT		 556 }
557
3d0f0fa0
DT		 558 return 0;
559}
560
561/*
562 * atkbd_event_work() is used to complete processing of events that
563 * can not be processed by input_event() which is often called from
564 * interrupt context.
565 */
566
65f27f38 567static void atkbd_event_work(struct work_struct *work)
3d0f0fa0 568{
da4249c9 569 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
3d0f0fa0
DT		 570
571 mutex_lock(&atkbd->event_mutex);
572
573 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
574 atkbd_set_leds(atkbd);
575
576 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
577 atkbd_set_repeat_rate(atkbd);
0d4c8597 578
33d3f07a 579 mutex_unlock(&atkbd->event_mutex);
0d4c8597
DT		 580}
581
da4249c9
DT		 582/*
583 * Schedule switch for execution. We need to throttle requests,
584 * otherwise keyboard may become unresponsive.
585 */
586static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
587{
588 unsigned long delay = msecs_to_jiffies(50);
589
590 if (time_after(jiffies, atkbd->event_jiffies + delay))
591 delay = 0;
592
593 atkbd->event_jiffies = jiffies;
594 set_bit(event_bit, &atkbd->event_mask);
595 wmb();
596 schedule_delayed_work(&atkbd->event_work, delay);
597}
598
0d4c8597
DT		 599/*
600 * Event callback from the input module. Events that change the state of
601 * the hardware are processed here. If action can not be performed in
602 * interrupt context it is offloaded to atkbd_event_work.
603 */
604
da4249c9
DT		 605static int atkbd_event(struct input_dev *dev,
606 unsigned int type, unsigned int code, int value)
0d4c8597 607{
b356872f 608 struct atkbd *atkbd = input_get_drvdata(dev);
0d4c8597 609
1da177e4
LT		 610 if (!atkbd->write)
611 return -1;
612
613 switch (type) {
614
615 case EV_LED:
da4249c9 616 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
1da177e4
LT		 617 return 0;
618
1da177e4 619 case EV_REP:
da4249c9
DT		 620 if (!atkbd->softrepeat)
621 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
1da177e4
LT		 622 return 0;
623 }
624
625 return -1;
626}
627
628/*
629 * atkbd_enable() signals that interrupt handler is allowed to
630 * generate input events.
631 */
632
633static inline void atkbd_enable(struct atkbd *atkbd)
634{
635 serio_pause_rx(atkbd->ps2dev.serio);
636 atkbd->enabled = 1;
637 serio_continue_rx(atkbd->ps2dev.serio);
638}
639
640/*
641 * atkbd_disable() tells input handler that all incoming data except
642 * for ACKs and command response should be dropped.
643 */
644
645static inline void atkbd_disable(struct atkbd *atkbd)
646{
647 serio_pause_rx(atkbd->ps2dev.serio);
648 atkbd->enabled = 0;
649 serio_continue_rx(atkbd->ps2dev.serio);
650}
651
652/*
653 * atkbd_probe() probes for an AT keyboard on a serio port.
654 */
655
656static int atkbd_probe(struct atkbd *atkbd)
657{
658 struct ps2dev *ps2dev = &atkbd->ps2dev;
659 unsigned char param[2];
660
661/*
662 * Some systems, where the bit-twiddling when testing the io-lines of the
663 * controller may confuse the keyboard need a full reset of the keyboard. On
664 * these systems the BIOS also usually doesn't do it for us.
665 */
666
667 if (atkbd_reset)
668 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
669 printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
670
671/*
672 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
673 * Some keyboards report different values, but the first byte is always 0xab or
674 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
675 * should make sure we don't try to set the LEDs on it.
676 */
677
678 param[0] = param[1] = 0xa5; /* initialize with invalid values */
679 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
680
681/*
682 * If the get ID command failed, we check if we can at least set the LEDs on
683 * the keyboard. This should work on every keyboard out there. It also turns
684 * the LEDs off, which we want anyway.
685 */
686 param[0] = 0;
687 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
688 return -1;
689 atkbd->id = 0xabba;
690 return 0;
691 }
692
9807879b 693 if (!ps2_is_keyboard_id(param[0]))
1da177e4
LT		 694 return -1;
695
696 atkbd->id = (param[0] << 8) | param[1];
697
698 if (atkbd->id == 0xaca1 && atkbd->translated) {
699 printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
700 printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
701 return -1;
702 }
703
704 return 0;
705}
706
707/*
708 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
709 * sets it into that. Unfortunately there are keyboards that can be switched
710 * to Set 3, but don't work well in that (BTC Multimedia ...)
711 */
712
713static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
714{
715 struct ps2dev *ps2dev = &atkbd->ps2dev;
716 unsigned char param[2];
717
718 atkbd->extra = 0;
719/*
720 * For known special keyboards we can go ahead and set the correct set.
721 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
722 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
723 */
724
725 if (atkbd->translated)
726 return 2;
727
728 if (atkbd->id == 0xaca1) {
729 param[0] = 3;
730 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
731 return 3;
732 }
733
734 if (allow_extra) {
735 param[0] = 0x71;
736 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
737 atkbd->extra = 1;
738 return 2;
739 }
740 }
741
742 if (target_set != 3)
743 return 2;
744
745 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
746 atkbd->id = param[0] << 8 | param[1];
747 return 2;
748 }
749
750 param[0] = 3;
751 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
752 return 2;
753
754 param[0] = 0;
755 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
756 return 2;
757
758 if (param[0] != 3) {
759 param[0] = 2;
760 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
761 return 2;
762 }
763
764 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
765
766 return 3;
767}
768
769static int atkbd_activate(struct atkbd *atkbd)
770{
771 struct ps2dev *ps2dev = &atkbd->ps2dev;
772 unsigned char param[1];
773
774/*
775 * Set the LEDs to a defined state.
776 */
777
778 param[0] = 0;
779 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
780 return -1;
781
782/*
783 * Set autorepeat to fastest possible.
784 */
785
786 param[0] = 0;
787 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
788 return -1;
789
790/*
791 * Enable the keyboard to receive keystrokes.
792 */
793
794 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
795 printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
796 ps2dev->serio->phys);
797 return -1;
798 }
799
800 return 0;
801}
802
803/*
804 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
805 * reboot.
806 */
807
808static void atkbd_cleanup(struct serio *serio)
809{
810 struct atkbd *atkbd = serio_get_drvdata(serio);
57f5b159
DT		 811
812 atkbd_disable(atkbd);
1da177e4
LT		 813 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
814}
815
816
817/*
818 * atkbd_disconnect() closes and frees.
819 */
820
821static void atkbd_disconnect(struct serio *serio)
822{
823 struct atkbd *atkbd = serio_get_drvdata(serio);
824
825 atkbd_disable(atkbd);
826
827 /* make sure we don't have a command in flight */
d6d79a78 828 cancel_delayed_work_sync(&atkbd->event_work);
1da177e4 829
86255d9d 830 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
3c42f0c3 831 input_unregister_device(atkbd->dev);
1da177e4
LT		 832 serio_close(serio);
833 serio_set_drvdata(serio, NULL);
834 kfree(atkbd);
835}
836
554101e3 837/*
39191698 838 * generate release events for the keycodes given in data
554101e3 839 */
39191698
DM		 840static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
841 const void *data)
554101e3 842{
39191698
DM		 843 const unsigned int *keys = data;
844 unsigned int i;
554101e3
GN		 845
846 if (atkbd->set == 2)
39191698
DM		 847 for (i = 0; keys[i] != -1U; i++)
848 __set_bit(keys[i], atkbd->force_release_mask);
554101e3 849}
1da177e4 850
39191698
DM		 851/*
852 * Most special keys (Fn+F?) on Dell laptops do not generate release
853 * events so we have to do it ourselves.
854 */
855static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
856 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
857};
858
5a54c011
JK		 859/*
860 * Perform fixup for HP system that doesn't generate release
861 * for its video switch
862 */
39191698
DM		 863static unsigned int atkbd_hp_forced_release_keys[] = {
864 0x94, -1U
865};
5a54c011 866
a8215b81
MG		 867/*
868 * Inventec system with broken key release on volume keys
869 */
39191698
DM		 870static unsigned int atkbd_inventec_forced_release_keys[] = {
871 0xae, 0xb0, -1U
872};
a8215b81 873
181f6382
RL		 874/*
875 * Perform fixup for HP Pavilion ZV6100 laptop that doesn't generate release
876 * for its volume buttons
877 */
39191698
DM		 878static unsigned int atkbd_hp_zv6100_forced_release_keys[] = {
879 0xae, 0xb0, -1U
880};
181f6382 881
4200844b 882/*
e04126c7 883 * Samsung NC10,NC20 with Fn+F? key release not working
4200844b 884 */
39191698
DM		 885static unsigned int atkbd_samsung_forced_release_keys[] = {
886 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
887};
4200844b 888
adcb523e
DM		 889/*
890 * The volume up and volume down special keys on a Fujitsu Amilo PA 1510 laptop
891 * do not generate release events so we have to do it ourselves.
892 */
893static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = {
894 0xb0, 0xae, -1U
895};
896
f0a14de2
SD		 897/*
898 * Amilo Pi 3525 key release for Fn+Volume keys not working
899 */
900static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
901 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
902};
903
9166d0f6
AB		 904/*
905 * Amilo Xi 3650 key release for light touch bar not working
906 */
907static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
908 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
909};
910
032e46cb
JY		 911/*
912 * Soltech TA12 system with broken key release on volume keys and mute key
913 */
914static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
915 0xa0, 0xae, 0xb0, -1U
916};
917
1da177e4 918/*
3c42f0c3 919 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT		 920 * according to the selected scancode set
921 */
922
923static void atkbd_set_keycode_table(struct atkbd *atkbd)
924{
554101e3 925 unsigned int scancode;
1da177e4
LT		 926 int i, j;
927
928 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
554101e3 929 bitmap_zero(atkbd->force_release_mask, 512);
1da177e4
LT		 930
931 if (atkbd->translated) {
932 for (i = 0; i < 128; i++) {
554101e3
GN		 933 scancode = atkbd_unxlate_table[i];
934 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
935 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT		 936 if (atkbd->scroll)
937 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 938 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT		 939 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
940 }
941 } else if (atkbd->set == 3) {
942 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
943 } else {
944 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
945
946 if (atkbd->scroll)
554101e3
GN		 947 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
948 scancode = atkbd_scroll_keys[i].set2;
949 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
950 }
1da177e4 951 }
0ae051a1 952
554101e3
GN		 953/*
954 * HANGEUL and HANJA keys do not send release events so we need to
955 * generate such events ourselves
956 */
957 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
958 atkbd->keycode[scancode] = KEY_HANGEUL;
959 __set_bit(scancode, atkbd->force_release_mask);
960
961 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
962 atkbd->keycode[scancode] = KEY_HANJA;
963 __set_bit(scancode, atkbd->force_release_mask);
964
965/*
966 * Perform additional fixups
967 */
968 if (atkbd_platform_fixup)
39191698 969 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT		 970}
971
972/*
973 * atkbd_set_device_attrs() sets up keyboard's input device structure
974 */
975
976static void atkbd_set_device_attrs(struct atkbd *atkbd)
977{
3c42f0c3 978 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT		 979 int i;
980
3c42f0c3 981 if (atkbd->extra)
ea08c6fa
DT		 982 snprintf(atkbd->name, sizeof(atkbd->name),
983 "AT Set 2 Extra keyboard");
3c42f0c3 984 else
ea08c6fa
DT		 985 snprintf(atkbd->name, sizeof(atkbd->name),
986 "AT %s Set %d keyboard",
987 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 988
ea08c6fa
DT		 989 snprintf(atkbd->phys, sizeof(atkbd->phys),
990 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 991
3c42f0c3
DT		 992 input_dev->name = atkbd->name;
993 input_dev->phys = atkbd->phys;
994 input_dev->id.bustype = BUS_I8042;
995 input_dev->id.vendor = 0x0001;
996 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
997 input_dev->id.version = atkbd->id;
998 input_dev->event = atkbd_event;
469ba4df 999 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 1000
b356872f
DT		 1001 input_set_drvdata(input_dev, atkbd);
1002
7b19ada2
JS		 1003 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1004 BIT_MASK(EV_MSC);
1da177e4
LT		 1005
1006 if (atkbd->write) {
7b19ada2
JS		 1007 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1008 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1009 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT		 1010 }
1011
1012 if (atkbd->extra)
7b19ada2
JS		 1013 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1014 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1015 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT		 1016
1017 if (!atkbd->softrepeat) {
3c42f0c3
DT		 1018 input_dev->rep[REP_DELAY] = 250;
1019 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT		 1020 }
1021
7b19ada2
JS		 1022 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1023 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT		 1024
1025 if (atkbd->scroll) {
7b19ada2
JS		 1026 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1027 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1028 BIT_MASK(REL_HWHEEL);
f6d65610 1029 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT		 1030 }
1031
3c42f0c3 1032 input_dev->keycode = atkbd->keycode;
f6d65610 1033 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1034 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4
LT		 1035
1036 for (i = 0; i < 512; i++)
1037 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
f6d65610 1038 __set_bit(atkbd->keycode[i], input_dev->keybit);
1da177e4
LT		 1039}
1040
1041/*
1042 * atkbd_connect() is called when the serio module finds an interface
1043 * that isn't handled yet by an appropriate device driver. We check if
1044 * there is an AT keyboard out there and if yes, we register ourselves
1045 * to the input module.
1046 */
1047
1048static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1049{
1050 struct atkbd *atkbd;
3c42f0c3
DT		 1051 struct input_dev *dev;
1052 int err = -ENOMEM;
1da177e4 1053
3c42f0c3
DT		 1054 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1055 dev = input_allocate_device();
1056 if (!atkbd || !dev)
2b03b60e 1057 goto fail1;
1da177e4 1058
3c42f0c3 1059 atkbd->dev = dev;
1da177e4 1060 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1061 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
33d3f07a 1062 mutex_init(&atkbd->event_mutex);
1da177e4
LT		 1063
1064 switch (serio->id.type) {
1065
1066 case SERIO_8042_XL:
1067 atkbd->translated = 1;
1068 case SERIO_8042:
1069 if (serio->write)
1070 atkbd->write = 1;
1071 break;
1072 }
1073
1074 atkbd->softraw = atkbd_softraw;
1075 atkbd->softrepeat = atkbd_softrepeat;
1076 atkbd->scroll = atkbd_scroll;
1077
1da177e4
LT		 1078 if (atkbd->softrepeat)
1079 atkbd->softraw = 1;
1080
1081 serio_set_drvdata(serio, atkbd);
1082
1083 err = serio_open(serio, drv);
3c42f0c3 1084 if (err)
2b03b60e 1085 goto fail2;
1da177e4
LT		 1086
1087 if (atkbd->write) {
1088
1089 if (atkbd_probe(atkbd)) {
3c42f0c3 1090 err = -ENODEV;
2b03b60e 1091 goto fail3;
1da177e4
LT		 1092 }
1093
1094 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
1095 atkbd_activate(atkbd);
1096
1097 } else {
1098 atkbd->set = 2;
1099 atkbd->id = 0xab00;
1100 }
1101
1da177e4
LT		 1102 atkbd_set_keycode_table(atkbd);
1103 atkbd_set_device_attrs(atkbd);
1104
2b03b60e
DT		 1105 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1106 if (err)
1107 goto fail3;
1da177e4
LT		 1108
1109 atkbd_enable(atkbd);
1110
2b03b60e
DT		 1111 err = input_register_device(atkbd->dev);
1112 if (err)
1113 goto fail4;
1da177e4
LT		 1114
1115 return 0;
3c42f0c3 1116
2b03b60e
DT		 1117 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1118 fail3: serio_close(serio);
1119 fail2: serio_set_drvdata(serio, NULL);
1120 fail1: input_free_device(dev);
3c42f0c3
DT		 1121 kfree(atkbd);
1122 return err;
1da177e4
LT		 1123}
1124
1125/*
1126 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1127 * most likely called on resume.
1128 */
1129
1130static int atkbd_reconnect(struct serio *serio)
1131{
1132 struct atkbd *atkbd = serio_get_drvdata(serio);
1133 struct serio_driver *drv = serio->drv;
1da177e4
LT		 1134
1135 if (!atkbd || !drv) {
1136 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1137 return -1;
1138 }
1139
1140 atkbd_disable(atkbd);
1141
1142 if (atkbd->write) {
1da177e4
LT		 1143 if (atkbd_probe(atkbd))
1144 return -1;
1145 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1146 return -1;
1147
1148 atkbd_activate(atkbd);
1149
3d0f0fa0
DT		 1150/*
1151 * Restore repeat rate and LEDs (that were reset by atkbd_activate)
1152 * to pre-resume state
1153 */
1154 if (!atkbd->softrepeat)
1155 atkbd_set_repeat_rate(atkbd);
1156 atkbd_set_leds(atkbd);
1da177e4
LT		 1157 }
1158
1159 atkbd_enable(atkbd);
1160
1161 return 0;
1162}
1163
1164static struct serio_device_id atkbd_serio_ids[] = {
1165 {
1166 .type = SERIO_8042,
1167 .proto = SERIO_ANY,
1168 .id = SERIO_ANY,
1169 .extra = SERIO_ANY,
1170 },
1171 {
1172 .type = SERIO_8042_XL,
1173 .proto = SERIO_ANY,
1174 .id = SERIO_ANY,
1175 .extra = SERIO_ANY,
1176 },
1177 {
1178 .type = SERIO_RS232,
1179 .proto = SERIO_PS2SER,
1180 .id = SERIO_ANY,
1181 .extra = SERIO_ANY,
1182 },
1183 { 0 }
1184};
1185
1186MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1187
1188static struct serio_driver atkbd_drv = {
1189 .driver = {
1190 .name = "atkbd",
1191 },
1192 .description = DRIVER_DESC,
1193 .id_table = atkbd_serio_ids,
1194 .interrupt = atkbd_interrupt,
1195 .connect = atkbd_connect,
1196 .reconnect = atkbd_reconnect,
1197 .disconnect = atkbd_disconnect,
1198 .cleanup = atkbd_cleanup,
1199};
1200
1201static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1202 ssize_t (*handler)(struct atkbd *, char *))
1203{
1204 struct serio *serio = to_serio_port(dev);
1205 int retval;
1206
1207 retval = serio_pin_driver(serio);
1208 if (retval)
1209 return retval;
1210
1211 if (serio->drv != &atkbd_drv) {
1212 retval = -ENODEV;
1213 goto out;
1214 }
1215
1216 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1217
1218out:
1219 serio_unpin_driver(serio);
1220 return retval;
1221}
1222
1223static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1224 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1225{
1226 struct serio *serio = to_serio_port(dev);
1227 struct atkbd *atkbd;
1228 int retval;
1229
1230 retval = serio_pin_driver(serio);
1231 if (retval)
1232 return retval;
1233
1234 if (serio->drv != &atkbd_drv) {
1235 retval = -ENODEV;
1236 goto out;
1237 }
1238
1239 atkbd = serio_get_drvdata(serio);
1240 atkbd_disable(atkbd);
1241 retval = handler(atkbd, buf, count);
1242 atkbd_enable(atkbd);
1243
1244out:
1245 serio_unpin_driver(serio);
1246 return retval;
1247}
1248
1249static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1250{
1251 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1252}
1253
1254static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1255{
2b03b60e 1256 struct input_dev *old_dev, *new_dev;
1da177e4 1257 unsigned long value;
2b03b60e
DT		 1258 int err;
1259 unsigned char old_extra, old_set;
1da177e4
LT		 1260
1261 if (!atkbd->write)
1262 return -EIO;
1263
160f1fef 1264 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1265 return -EINVAL;
1266
1267 if (atkbd->extra != value) {
3c42f0c3
DT		 1268 /*
1269 * Since device's properties will change we need to
2b03b60e
DT		 1270 * unregister old device. But allocate and register
1271 * new one first to make sure we have it.
3c42f0c3 1272 */
2b03b60e
DT		 1273 old_dev = atkbd->dev;
1274 old_extra = atkbd->extra;
1275 old_set = atkbd->set;
1276
1277 new_dev = input_allocate_device();
1278 if (!new_dev)
3c42f0c3 1279 return -ENOMEM;
2b03b60e 1280
3c42f0c3 1281 atkbd->dev = new_dev;
1da177e4
LT		 1282 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
1283 atkbd_activate(atkbd);
2b03b60e 1284 atkbd_set_keycode_table(atkbd);
1da177e4 1285 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1286
1287 err = input_register_device(atkbd->dev);
1288 if (err) {
1289 input_free_device(new_dev);
1290
1291 atkbd->dev = old_dev;
1292 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1293 atkbd_set_keycode_table(atkbd);
1294 atkbd_set_device_attrs(atkbd);
1295
1296 return err;
1297 }
1298 input_unregister_device(old_dev);
1299
1da177e4
LT		 1300 }
1301 return count;
1302}
1303
1304static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1305{
1306 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1307}
1308
1309static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1310{
2b03b60e 1311 struct input_dev *old_dev, *new_dev;
1da177e4 1312 unsigned long value;
2b03b60e
DT		 1313 int err;
1314 unsigned char old_scroll;
1da177e4 1315
160f1fef 1316 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1317 return -EINVAL;
1318
1319 if (atkbd->scroll != value) {
2b03b60e
DT		 1320 old_dev = atkbd->dev;
1321 old_scroll = atkbd->scroll;
1322
1323 new_dev = input_allocate_device();
1324 if (!new_dev)
3c42f0c3 1325 return -ENOMEM;
2b03b60e 1326
3c42f0c3 1327 atkbd->dev = new_dev;
1da177e4
LT		 1328 atkbd->scroll = value;
1329 atkbd_set_keycode_table(atkbd);
1330 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1331
1332 err = input_register_device(atkbd->dev);
1333 if (err) {
1334 input_free_device(new_dev);
1335
1336 atkbd->scroll = old_scroll;
1337 atkbd->dev = old_dev;
1338 atkbd_set_keycode_table(atkbd);
1339 atkbd_set_device_attrs(atkbd);
1340
1341 return err;
1342 }
1343 input_unregister_device(old_dev);
1da177e4
LT		 1344 }
1345 return count;
1346}
1347
1348static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1349{
1350 return sprintf(buf, "%d\n", atkbd->set);
1351}
1352
1353static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1354{
2b03b60e 1355 struct input_dev *old_dev, *new_dev;
1da177e4 1356 unsigned long value;
2b03b60e
DT		 1357 int err;
1358 unsigned char old_set, old_extra;
1da177e4
LT		 1359
1360 if (!atkbd->write)
1361 return -EIO;
1362
160f1fef 1363 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1da177e4
LT		 1364 return -EINVAL;
1365
1366 if (atkbd->set != value) {
2b03b60e
DT		 1367 old_dev = atkbd->dev;
1368 old_extra = atkbd->extra;
1369 old_set = atkbd->set;
1370
1371 new_dev = input_allocate_device();
1372 if (!new_dev)
3c42f0c3 1373 return -ENOMEM;
2b03b60e 1374
3c42f0c3 1375 atkbd->dev = new_dev;
1da177e4
LT		 1376 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1377 atkbd_activate(atkbd);
1378 atkbd_set_keycode_table(atkbd);
1379 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1380
1381 err = input_register_device(atkbd->dev);
1382 if (err) {
1383 input_free_device(new_dev);
1384
1385 atkbd->dev = old_dev;
1386 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1387 atkbd_set_keycode_table(atkbd);
1388 atkbd_set_device_attrs(atkbd);
1389
1390 return err;
1391 }
1392 input_unregister_device(old_dev);
1da177e4
LT		 1393 }
1394 return count;
1395}
1396
1397static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1398{
1399 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1400}
1401
1402static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1403{
2b03b60e 1404 struct input_dev *old_dev, *new_dev;
1da177e4 1405 unsigned long value;
2b03b60e
DT		 1406 int err;
1407 unsigned char old_softrepeat, old_softraw;
1da177e4
LT		 1408
1409 if (!atkbd->write)
1410 return -EIO;
1411
160f1fef 1412 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1413 return -EINVAL;
1414
1415 if (atkbd->softrepeat != value) {
2b03b60e
DT		 1416 old_dev = atkbd->dev;
1417 old_softrepeat = atkbd->softrepeat;
1418 old_softraw = atkbd->softraw;
1419
1420 new_dev = input_allocate_device();
1421 if (!new_dev)
3c42f0c3 1422 return -ENOMEM;
2b03b60e 1423
3c42f0c3 1424 atkbd->dev = new_dev;
1da177e4
LT		 1425 atkbd->softrepeat = value;
1426 if (atkbd->softrepeat)
1427 atkbd->softraw = 1;
1428 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1429
1430 err = input_register_device(atkbd->dev);
1431 if (err) {
1432 input_free_device(new_dev);
1433
1434 atkbd->dev = old_dev;
1435 atkbd->softrepeat = old_softrepeat;
1436 atkbd->softraw = old_softraw;
1437 atkbd_set_device_attrs(atkbd);
1438
1439 return err;
1440 }
1441 input_unregister_device(old_dev);
1da177e4 1442 }
1da177e4
LT		 1443 return count;
1444}
1445
1446
1447static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1448{
1449 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1450}
1451
1452static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1453{
2b03b60e 1454 struct input_dev *old_dev, *new_dev;
1da177e4 1455 unsigned long value;
2b03b60e
DT		 1456 int err;
1457 unsigned char old_softraw;
1da177e4 1458
160f1fef 1459 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1460 return -EINVAL;
1461
1462 if (atkbd->softraw != value) {
2b03b60e
DT		 1463 old_dev = atkbd->dev;
1464 old_softraw = atkbd->softraw;
1465
1466 new_dev = input_allocate_device();
1467 if (!new_dev)
3c42f0c3 1468 return -ENOMEM;
2b03b60e 1469
3c42f0c3 1470 atkbd->dev = new_dev;
1da177e4
LT		 1471 atkbd->softraw = value;
1472 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1473
1474 err = input_register_device(atkbd->dev);
1475 if (err) {
1476 input_free_device(new_dev);
1477
1478 atkbd->dev = old_dev;
1479 atkbd->softraw = old_softraw;
1480 atkbd_set_device_attrs(atkbd);
1481
1482 return err;
1483 }
1484 input_unregister_device(old_dev);
1da177e4
LT		 1485 }
1486 return count;
1487}
1488
86255d9d
DT		 1489static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1490{
1491 return sprintf(buf, "%lu\n", atkbd->err_count);
1492}
1493
39191698 1494static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1495{
39191698
DM		 1496 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1497 atkbd_platform_fixup_data = id->driver_data;
1498
554101e3
GN		 1499 return 0;
1500}
1501
1502static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
1503 {
61579ba8 1504 .ident = "Dell Laptop",
554101e3
GN		 1505 .matches = {
1506 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1507 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1508 },
39191698
DM		 1509 .callback = atkbd_setup_forced_release,
1510 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1511 },
2a3ec326
MG		 1512 {
1513 .ident = "Dell Laptop",
1514 .matches = {
1515 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1516 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1517 },
39191698
DM		 1518 .callback = atkbd_setup_forced_release,
1519 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1520 },
5a54c011
JK		 1521 {
1522 .ident = "HP 2133",
1523 .matches = {
1524 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1525 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1526 },
39191698
DM		 1527 .callback = atkbd_setup_forced_release,
1528 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1529 },
181f6382
RL		 1530 {
1531 .ident = "HP Pavilion ZV6100",
1532 .matches = {
1533 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1534 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1535 },
39191698
DM		 1536 .callback = atkbd_setup_forced_release,
1537 .driver_data = atkbd_hp_zv6100_forced_release_keys,
181f6382 1538 },
a8215b81
MG		 1539 {
1540 .ident = "Inventec Symphony",
1541 .matches = {
1542 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1543 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1544 },
39191698
DM		 1545 .callback = atkbd_setup_forced_release,
1546 .driver_data = atkbd_inventec_forced_release_keys,
a8215b81 1547 },
4200844b
SH		 1548 {
1549 .ident = "Samsung NC10",
1550 .matches = {
1551 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1552 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1553 },
39191698
DM		 1554 .callback = atkbd_setup_forced_release,
1555 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1556 },
e04126c7
BC		 1557 {
1558 .ident = "Samsung NC20",
1559 .matches = {
1560 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1561 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1562 },
1563 .callback = atkbd_setup_forced_release,
1564 .driver_data = atkbd_samsung_forced_release_keys,
1565 },
157f3a3e
DT		 1566 {
1567 .ident = "Samsung SQ45S70S",
1568 .matches = {
1569 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1570 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1571 },
1572 .callback = atkbd_setup_forced_release,
1573 .driver_data = atkbd_samsung_forced_release_keys,
1574 },
adcb523e
DM		 1575 {
1576 .ident = "Fujitsu Amilo PA 1510",
1577 .matches = {
1578 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1579 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1580 },
1581 .callback = atkbd_setup_forced_release,
1582 .driver_data = atkbd_amilo_pa1510_forced_release_keys,
1583 },
f0a14de2
SD		 1584 {
1585 .ident = "Fujitsu Amilo Pi 3525",
1586 .matches = {
1587 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1588 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1589 },
1590 .callback = atkbd_setup_forced_release,
1591 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1592 },
9166d0f6
AB		 1593 {
1594 .ident = "Fujitsu Amilo Xi 3650",
1595 .matches = {
1596 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1597 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1598 },
1599 .callback = atkbd_setup_forced_release,
1600 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1601 },
032e46cb
JY		 1602 {
1603 .ident = "Soltech Corporation TA12",
1604 .matches = {
1605 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1606 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1607 },
1608 .callback = atkbd_setup_forced_release,
1609 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1610 },
554101e3
GN		 1611 { }
1612};
1da177e4
LT		 1613
1614static int __init atkbd_init(void)
1615{
554101e3
GN		 1616 dmi_check_system(atkbd_dmi_quirk_table);
1617
153a9df0 1618 return serio_register_driver(&atkbd_drv);
1da177e4
LT		 1619}
1620
1621static void __exit atkbd_exit(void)
1622{
1623 serio_unregister_driver(&atkbd_drv);
1624}
1625
1626module_init(atkbd_init);
1627module_exit(atkbd_exit);
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