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Input: atkbd - postpone restoring LED/repeat rate at resume
[GitHub/mt8127/android_kernel_alcatel_ttab.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
1ba36e11
DT		 71#define ATKBD_KEYMAP_SIZE 512
72
73static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
1da177e4
LT		 74
75#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
76
77/* XXX: need a more general approach */
78
79#include "hpps2atkbd.h" /* include the keyboard scancodes */
80
81#else
82 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
83 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
84 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183,
85 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185,
86 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
87 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85,
88 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0,
89 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
90
91 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
92 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125,
93 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127,
72a42f24 94 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142,
1da177e4
LT		 95 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0,
96 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0,
97 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112,
98 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
99
100 0, 0, 0, 65, 99,
101#endif
102};
103
1ba36e11 104static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = {
1da177e4
LT		 105
106 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60,
107 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62,
108 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64,
109 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66,
110 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68,
111 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70,
112 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104,
113 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183,
114
115 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0,
72a42f24 116 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168,
1da177e4
LT		 117 148,149,147,140
118};
119
f6d65610 120static const unsigned short atkbd_unxlate_table[128] = {
1da177e4
LT		 121 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
122 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
123 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
124 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
125 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
126 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
127 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
128 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
129};
130
131#define ATKBD_CMD_SETLEDS 0x10ed
132#define ATKBD_CMD_GSCANSET 0x11f0
133#define ATKBD_CMD_SSCANSET 0x10f0
134#define ATKBD_CMD_GETID 0x02f2
135#define ATKBD_CMD_SETREP 0x10f3
136#define ATKBD_CMD_ENABLE 0x00f4
137#define ATKBD_CMD_RESET_DIS 0x00f5
138#define ATKBD_CMD_SETALL_MBR 0x00fa
139#define ATKBD_CMD_RESET_BAT 0x02ff
140#define ATKBD_CMD_RESEND 0x00fe
141#define ATKBD_CMD_EX_ENABLE 0x10ea
142#define ATKBD_CMD_EX_SETLEDS 0x20eb
143#define ATKBD_CMD_OK_GETID 0x02e8
144
145#define ATKBD_RET_ACK 0xfa
146#define ATKBD_RET_NAK 0xfe
147#define ATKBD_RET_BAT 0xaa
148#define ATKBD_RET_EMUL0 0xe0
149#define ATKBD_RET_EMUL1 0xe1
150#define ATKBD_RET_RELEASE 0xf0
0ae051a1
DT		 151#define ATKBD_RET_HANJA 0xf1
152#define ATKBD_RET_HANGEUL 0xf2
1da177e4
LT		 153#define ATKBD_RET_ERR 0xff
154
155#define ATKBD_KEY_UNKNOWN 0
156#define ATKBD_KEY_NULL 255
157
158#define ATKBD_SCR_1 254
159#define ATKBD_SCR_2 253
160#define ATKBD_SCR_4 252
161#define ATKBD_SCR_8 251
162#define ATKBD_SCR_CLICK 250
163#define ATKBD_SCR_LEFT 249
164#define ATKBD_SCR_RIGHT 248
165
f6d65610 166#define ATKBD_SPECIAL ATKBD_SCR_RIGHT
1da177e4 167
0d4c8597
DT		 168#define ATKBD_LED_EVENT_BIT 0
169#define ATKBD_REP_EVENT_BIT 1
170
0ae051a1
DT		 171#define ATKBD_XL_ERR 0x01
172#define ATKBD_XL_BAT 0x02
173#define ATKBD_XL_ACK 0x04
174#define ATKBD_XL_NAK 0x08
175#define ATKBD_XL_HANGEUL 0x10
176#define ATKBD_XL_HANJA 0x20
177
f6d65610 178static const struct {
1da177e4
LT		 179 unsigned char keycode;
180 unsigned char set2;
181} atkbd_scroll_keys[] = {
182 { ATKBD_SCR_1, 0xc5 },
5212dd58
VP		 183 { ATKBD_SCR_2, 0x9d },
184 { ATKBD_SCR_4, 0xa4 },
185 { ATKBD_SCR_8, 0x9b },
1da177e4
LT		 186 { ATKBD_SCR_CLICK, 0xe0 },
187 { ATKBD_SCR_LEFT, 0xcb },
188 { ATKBD_SCR_RIGHT, 0xd2 },
189};
190
191/*
192 * The atkbd control structure
193 */
194
195struct atkbd {
196
3c42f0c3
DT		 197 struct ps2dev ps2dev;
198 struct input_dev *dev;
1da177e4
LT		 199
200 /* Written only during init */
201 char name[64];
202 char phys[32];
1da177e4
LT		 203
204 unsigned short id;
1ba36e11
DT		 205 unsigned short keycode[ATKBD_KEYMAP_SIZE];
206 DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT		 207 unsigned char set;
208 unsigned char translated;
209 unsigned char extra;
210 unsigned char write;
211 unsigned char softrepeat;
212 unsigned char softraw;
213 unsigned char scroll;
214 unsigned char enabled;
215
216 /* Accessed only from interrupt */
217 unsigned char emul;
218 unsigned char resend;
219 unsigned char release;
0ae051a1 220 unsigned long xl_bit;
1da177e4
LT		 221 unsigned int last;
222 unsigned long time;
86255d9d 223 unsigned long err_count;
0d4c8597 224
da4249c9
DT		 225 struct delayed_work event_work;
226 unsigned long event_jiffies;
33d3f07a 227 struct mutex event_mutex;
0d4c8597 228 unsigned long event_mask;
1da177e4
LT		 229};
230
554101e3
GN		 231/*
232 * System-specific ketymap fixup routine
233 */
39191698
DM		 234static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
235static void *atkbd_platform_fixup_data;
554101e3 236
1da177e4
LT		 237static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
238 ssize_t (*handler)(struct atkbd *, char *));
239static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
240 ssize_t (*handler)(struct atkbd *, const char *, size_t));
241#define ATKBD_DEFINE_ATTR(_name) \
242static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
243static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
86255d9d
DT		 244static ssize_t atkbd_do_show_##_name(struct device *d, \
245 struct device_attribute *attr, char *b) \
1da177e4
LT		 246{ \
247 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
248} \
86255d9d
DT		 249static ssize_t atkbd_do_set_##_name(struct device *d, \
250 struct device_attribute *attr, const char *b, size_t s) \
1da177e4
LT		 251{ \
252 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
253} \
d083e906 254static struct device_attribute atkbd_attr_##_name = \
1da177e4
LT		 255 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
256
257ATKBD_DEFINE_ATTR(extra);
1ba36e11 258ATKBD_DEFINE_ATTR(force_release);
1da177e4
LT		 259ATKBD_DEFINE_ATTR(scroll);
260ATKBD_DEFINE_ATTR(set);
261ATKBD_DEFINE_ATTR(softrepeat);
262ATKBD_DEFINE_ATTR(softraw);
263
86255d9d
DT		 264#define ATKBD_DEFINE_RO_ATTR(_name) \
265static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
266static ssize_t atkbd_do_show_##_name(struct device *d, \
267 struct device_attribute *attr, char *b) \
268{ \
269 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
270} \
271static struct device_attribute atkbd_attr_##_name = \
272 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
273
274ATKBD_DEFINE_RO_ATTR(err_count);
275
276static struct attribute *atkbd_attributes[] = {
277 &atkbd_attr_extra.attr,
1ba36e11 278 &atkbd_attr_force_release.attr,
86255d9d
DT		 279 &atkbd_attr_scroll.attr,
280 &atkbd_attr_set.attr,
281 &atkbd_attr_softrepeat.attr,
282 &atkbd_attr_softraw.attr,
283 &atkbd_attr_err_count.attr,
284 NULL
285};
286
287static struct attribute_group atkbd_attribute_group = {
288 .attrs = atkbd_attributes,
289};
290
0ae051a1
DT		 291static const unsigned int xl_table[] = {
292 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
293 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
294};
1da177e4 295
0ae051a1
DT		 296/*
297 * Checks if we should mangle the scancode to extract 'release' bit
298 * in translated mode.
299 */
300static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
1da177e4 301{
0ae051a1
DT		 302 int i;
303
304 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
305 return 0;
306
307 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
308 if (code == xl_table[i])
309 return test_bit(i, &xl_bit);
310
311 return 1;
312}
313
314/*
315 * Calculates new value of xl_bit so the driver can distinguish
316 * between make/break pair of scancodes for select keys and PS/2
317 * protocol responses.
318 */
319static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
320{
321 int i;
322
323 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
324 if (!((code ^ xl_table[i]) & 0x7f)) {
325 if (code & 0x80)
326 __clear_bit(i, &atkbd->xl_bit);
327 else
328 __set_bit(i, &atkbd->xl_bit);
329 break;
330 }
331 }
332}
333
334/*
335 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
336 * keeping kernel 2.4 compatibility for set 2
337 */
338static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
339{
340 if (atkbd->set == 3) {
341 if (atkbd->emul == 1)
342 code |= 0x100;
343 } else {
344 code = (code & 0x7f) | ((code & 0x80) << 1);
345 if (atkbd->emul == 1)
346 code |= 0x80;
347 }
348
349 return code;
1da177e4
LT		 350}
351
352/*
353 * atkbd_interrupt(). Here takes place processing of data received from
354 * the keyboard into events.
355 */
356
357static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
7d12e780 358 unsigned int flags)
1da177e4
LT		 359{
360 struct atkbd *atkbd = serio_get_drvdata(serio);
0ae051a1 361 struct input_dev *dev = atkbd->dev;
1da177e4 362 unsigned int code = data;
554101e3 363 int scroll = 0, hscroll = 0, click = -1;
1da177e4 364 int value;
f6d65610 365 unsigned short keycode;
1da177e4
LT		 366
367#ifdef ATKBD_DEBUG
368 printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
369#endif
370
371#if !defined(__i386__) && !defined (__x86_64__)
372 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
373 printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
374 serio_write(serio, ATKBD_CMD_RESEND);
375 atkbd->resend = 1;
376 goto out;
377 }
378
379 if (!flags && data == ATKBD_RET_ACK)
380 atkbd->resend = 0;
381#endif
382
383 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
384 if (ps2_handle_ack(&atkbd->ps2dev, data))
385 goto out;
386
387 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
388 if (ps2_handle_response(&atkbd->ps2dev, data))
389 goto out;
390
391 if (!atkbd->enabled)
392 goto out;
393
0ae051a1 394 input_event(dev, EV_MSC, MSC_RAW, code);
1da177e4
LT		 395
396 if (atkbd->translated) {
397
0ae051a1 398 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
1da177e4
LT		 399 atkbd->release = code >> 7;
400 code &= 0x7f;
401 }
402
0ae051a1
DT		 403 if (!atkbd->emul)
404 atkbd_calculate_xl_bit(atkbd, data);
1da177e4
LT		 405 }
406
407 switch (code) {
408 case ATKBD_RET_BAT:
409 atkbd->enabled = 0;
dbc26344 410 serio_reconnect(atkbd->ps2dev.serio);
1da177e4
LT		 411 goto out;
412 case ATKBD_RET_EMUL0:
413 atkbd->emul = 1;
414 goto out;
415 case ATKBD_RET_EMUL1:
416 atkbd->emul = 2;
417 goto out;
418 case ATKBD_RET_RELEASE:
419 atkbd->release = 1;
420 goto out;
0ae051a1
DT		 421 case ATKBD_RET_ACK:
422 case ATKBD_RET_NAK:
9f7a60d6
QY		 423 if (printk_ratelimit())
424 printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
425 "Some program might be trying access hardware directly.\n",
426 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
1da177e4 427 goto out;
1da177e4 428 case ATKBD_RET_ERR:
86255d9d
DT		 429 atkbd->err_count++;
430#ifdef ATKBD_DEBUG
1da177e4 431 printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
86255d9d 432#endif
1da177e4
LT		 433 goto out;
434 }
435
0ae051a1
DT		 436 code = atkbd_compat_scancode(atkbd, code);
437
438 if (atkbd->emul && --atkbd->emul)
439 goto out;
440
441 keycode = atkbd->keycode[code];
1da177e4 442
0ae051a1
DT		 443 if (keycode != ATKBD_KEY_NULL)
444 input_event(dev, EV_MSC, MSC_SCAN, code);
1da177e4 445
0ae051a1 446 switch (keycode) {
1da177e4
LT		 447 case ATKBD_KEY_NULL:
448 break;
449 case ATKBD_KEY_UNKNOWN:
0ae051a1
DT		 450 printk(KERN_WARNING
451 "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
452 atkbd->release ? "released" : "pressed",
453 atkbd->translated ? "translated" : "raw",
454 atkbd->set, code, serio->phys);
455 printk(KERN_WARNING
456 "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
457 code & 0x80 ? "e0" : "", code & 0x7f);
458 input_sync(dev);
1da177e4
LT		 459 break;
460 case ATKBD_SCR_1:
461 scroll = 1 - atkbd->release * 2;
462 break;
463 case ATKBD_SCR_2:
464 scroll = 2 - atkbd->release * 4;
465 break;
466 case ATKBD_SCR_4:
467 scroll = 4 - atkbd->release * 8;
468 break;
469 case ATKBD_SCR_8:
470 scroll = 8 - atkbd->release * 16;
471 break;
472 case ATKBD_SCR_CLICK:
473 click = !atkbd->release;
474 break;
475 case ATKBD_SCR_LEFT:
476 hscroll = -1;
477 break;
478 case ATKBD_SCR_RIGHT:
479 hscroll = 1;
480 break;
481 default:
0ae051a1
DT		 482 if (atkbd->release) {
483 value = 0;
484 atkbd->last = 0;
485 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
486 /* Workaround Toshiba laptop multiple keypress */
487 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
488 } else {
489 value = 1;
490 atkbd->last = code;
491 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
1da177e4
LT		 492 }
493
f8b4c46c 494 input_event(dev, EV_KEY, keycode, value);
0ae051a1
DT		 495 input_sync(dev);
496
554101e3 497 if (value && test_bit(code, atkbd->force_release_mask)) {
0ae051a1
DT		 498 input_report_key(dev, keycode, 0);
499 input_sync(dev);
500 }
1da177e4
LT		 501 }
502
503 if (atkbd->scroll) {
1da177e4 504 if (click != -1)
0ae051a1
DT		 505 input_report_key(dev, BTN_MIDDLE, click);
506 input_report_rel(dev, REL_WHEEL, scroll);
507 input_report_rel(dev, REL_HWHEEL, hscroll);
508 input_sync(dev);
1da177e4
LT		 509 }
510
511 atkbd->release = 0;
512out:
513 return IRQ_HANDLED;
514}
515
3d0f0fa0 516static int atkbd_set_repeat_rate(struct atkbd *atkbd)
1da177e4 517{
1da177e4
LT		 518 const short period[32] =
519 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
520 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
521 const short delay[4] =
522 { 250, 500, 750, 1000 };
0d4c8597 523
3d0f0fa0
DT		 524 struct input_dev *dev = atkbd->dev;
525 unsigned char param;
526 int i = 0, j = 0;
527
528 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
529 i++;
530 dev->rep[REP_PERIOD] = period[i];
531
8ea371fb 532 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
3d0f0fa0
DT		 533 j++;
534 dev->rep[REP_DELAY] = delay[j];
535
536 param = i | (j << 5);
537 return ps2_command(&atkbd->ps2dev, &param, ATKBD_CMD_SETREP);
538}
539
540static int atkbd_set_leds(struct atkbd *atkbd)
541{
0d4c8597 542 struct input_dev *dev = atkbd->dev;
1da177e4 543 unsigned char param[2];
1da177e4 544
3d0f0fa0
DT		 545 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
546 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
547 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
548 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
549 return -1;
0d4c8597 550
3d0f0fa0
DT		 551 if (atkbd->extra) {
552 param[0] = 0;
553 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
554 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
555 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
556 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
557 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
558 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
559 return -1;
0d4c8597
DT		 560 }
561
3d0f0fa0
DT		 562 return 0;
563}
564
565/*
566 * atkbd_event_work() is used to complete processing of events that
567 * can not be processed by input_event() which is often called from
568 * interrupt context.
569 */
570
65f27f38 571static void atkbd_event_work(struct work_struct *work)
3d0f0fa0 572{
da4249c9 573 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
3d0f0fa0
DT		 574
575 mutex_lock(&atkbd->event_mutex);
576
94dfb0d6
DT		 577 if (!atkbd->enabled) {
578 /*
579 * Serio ports are resumed asynchronously so while driver core
580 * thinks that device is already fully operational in reality
581 * it may not be ready yet. In this case we need to keep
582 * rescheduling till reconnect completes.
583 */
584 schedule_delayed_work(&atkbd->event_work,
585 msecs_to_jiffies(100));
586 } else {
587 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
588 atkbd_set_leds(atkbd);
589
590 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
591 atkbd_set_repeat_rate(atkbd);
592 }
0d4c8597 593
33d3f07a 594 mutex_unlock(&atkbd->event_mutex);
0d4c8597
DT		 595}
596
da4249c9
DT		 597/*
598 * Schedule switch for execution. We need to throttle requests,
599 * otherwise keyboard may become unresponsive.
600 */
601static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
602{
603 unsigned long delay = msecs_to_jiffies(50);
604
605 if (time_after(jiffies, atkbd->event_jiffies + delay))
606 delay = 0;
607
608 atkbd->event_jiffies = jiffies;
609 set_bit(event_bit, &atkbd->event_mask);
610 wmb();
611 schedule_delayed_work(&atkbd->event_work, delay);
612}
613
0d4c8597
DT		 614/*
615 * Event callback from the input module. Events that change the state of
616 * the hardware are processed here. If action can not be performed in
617 * interrupt context it is offloaded to atkbd_event_work.
618 */
619
da4249c9
DT		 620static int atkbd_event(struct input_dev *dev,
621 unsigned int type, unsigned int code, int value)
0d4c8597 622{
b356872f 623 struct atkbd *atkbd = input_get_drvdata(dev);
0d4c8597 624
1da177e4
LT		 625 if (!atkbd->write)
626 return -1;
627
628 switch (type) {
629
630 case EV_LED:
da4249c9 631 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
1da177e4
LT		 632 return 0;
633
1da177e4 634 case EV_REP:
da4249c9
DT		 635 if (!atkbd->softrepeat)
636 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
1da177e4
LT		 637 return 0;
638 }
639
640 return -1;
641}
642
643/*
644 * atkbd_enable() signals that interrupt handler is allowed to
645 * generate input events.
646 */
647
648static inline void atkbd_enable(struct atkbd *atkbd)
649{
650 serio_pause_rx(atkbd->ps2dev.serio);
651 atkbd->enabled = 1;
652 serio_continue_rx(atkbd->ps2dev.serio);
653}
654
655/*
656 * atkbd_disable() tells input handler that all incoming data except
657 * for ACKs and command response should be dropped.
658 */
659
660static inline void atkbd_disable(struct atkbd *atkbd)
661{
662 serio_pause_rx(atkbd->ps2dev.serio);
663 atkbd->enabled = 0;
664 serio_continue_rx(atkbd->ps2dev.serio);
665}
666
667/*
668 * atkbd_probe() probes for an AT keyboard on a serio port.
669 */
670
671static int atkbd_probe(struct atkbd *atkbd)
672{
673 struct ps2dev *ps2dev = &atkbd->ps2dev;
674 unsigned char param[2];
675
676/*
677 * Some systems, where the bit-twiddling when testing the io-lines of the
678 * controller may confuse the keyboard need a full reset of the keyboard. On
679 * these systems the BIOS also usually doesn't do it for us.
680 */
681
682 if (atkbd_reset)
683 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
684 printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
685
686/*
687 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
688 * Some keyboards report different values, but the first byte is always 0xab or
689 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
690 * should make sure we don't try to set the LEDs on it.
691 */
692
693 param[0] = param[1] = 0xa5; /* initialize with invalid values */
694 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
695
696/*
697 * If the get ID command failed, we check if we can at least set the LEDs on
698 * the keyboard. This should work on every keyboard out there. It also turns
699 * the LEDs off, which we want anyway.
700 */
701 param[0] = 0;
702 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
703 return -1;
704 atkbd->id = 0xabba;
705 return 0;
706 }
707
9807879b 708 if (!ps2_is_keyboard_id(param[0]))
1da177e4
LT		 709 return -1;
710
711 atkbd->id = (param[0] << 8) | param[1];
712
713 if (atkbd->id == 0xaca1 && atkbd->translated) {
714 printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
715 printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
716 return -1;
717 }
718
719 return 0;
720}
721
722/*
723 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
724 * sets it into that. Unfortunately there are keyboards that can be switched
725 * to Set 3, but don't work well in that (BTC Multimedia ...)
726 */
727
728static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
729{
730 struct ps2dev *ps2dev = &atkbd->ps2dev;
731 unsigned char param[2];
732
733 atkbd->extra = 0;
734/*
735 * For known special keyboards we can go ahead and set the correct set.
736 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
737 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
738 */
739
740 if (atkbd->translated)
741 return 2;
742
743 if (atkbd->id == 0xaca1) {
744 param[0] = 3;
745 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
746 return 3;
747 }
748
749 if (allow_extra) {
750 param[0] = 0x71;
751 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
752 atkbd->extra = 1;
753 return 2;
754 }
755 }
756
757 if (target_set != 3)
758 return 2;
759
760 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
761 atkbd->id = param[0] << 8 | param[1];
762 return 2;
763 }
764
765 param[0] = 3;
766 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
767 return 2;
768
769 param[0] = 0;
770 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
771 return 2;
772
773 if (param[0] != 3) {
774 param[0] = 2;
775 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
776 return 2;
777 }
778
779 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
780
781 return 3;
782}
783
fc0eb28c
DT		 784static int atkbd_reset_state(struct atkbd *atkbd)
785{
786 struct ps2dev *ps2dev = &atkbd->ps2dev;
787 unsigned char param[1];
788
789/*
790 * Set the LEDs to a predefined state (all off).
791 */
792
793 param[0] = 0;
794 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
795 return -1;
796
797/*
798 * Set autorepeat to fastest possible.
799 */
800
801 param[0] = 0;
802 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
803 return -1;
804
805 return 0;
806}
807
1da177e4
LT		 808static int atkbd_activate(struct atkbd *atkbd)
809{
810 struct ps2dev *ps2dev = &atkbd->ps2dev;
1da177e4
LT		 811
812/*
813 * Enable the keyboard to receive keystrokes.
814 */
815
816 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
817 printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
818 ps2dev->serio->phys);
819 return -1;
820 }
821
822 return 0;
823}
824
825/*
826 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
827 * reboot.
828 */
829
830static void atkbd_cleanup(struct serio *serio)
831{
832 struct atkbd *atkbd = serio_get_drvdata(serio);
57f5b159
DT		 833
834 atkbd_disable(atkbd);
1da177e4
LT		 835 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
836}
837
838
839/*
840 * atkbd_disconnect() closes and frees.
841 */
842
843static void atkbd_disconnect(struct serio *serio)
844{
845 struct atkbd *atkbd = serio_get_drvdata(serio);
846
847 atkbd_disable(atkbd);
848
849 /* make sure we don't have a command in flight */
d6d79a78 850 cancel_delayed_work_sync(&atkbd->event_work);
1da177e4 851
86255d9d 852 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
3c42f0c3 853 input_unregister_device(atkbd->dev);
1da177e4
LT		 854 serio_close(serio);
855 serio_set_drvdata(serio, NULL);
856 kfree(atkbd);
857}
858
554101e3 859/*
39191698 860 * generate release events for the keycodes given in data
554101e3 861 */
39191698
DM		 862static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
863 const void *data)
554101e3 864{
39191698
DM		 865 const unsigned int *keys = data;
866 unsigned int i;
554101e3
GN		 867
868 if (atkbd->set == 2)
39191698
DM		 869 for (i = 0; keys[i] != -1U; i++)
870 __set_bit(keys[i], atkbd->force_release_mask);
554101e3 871}
1da177e4 872
39191698
DM		 873/*
874 * Most special keys (Fn+F?) on Dell laptops do not generate release
875 * events so we have to do it ourselves.
876 */
877static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
878 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
879};
880
5a54c011
JK		 881/*
882 * Perform fixup for HP system that doesn't generate release
883 * for its video switch
884 */
39191698
DM		 885static unsigned int atkbd_hp_forced_release_keys[] = {
886 0x94, -1U
887};
5a54c011 888
a8215b81
MG		 889/*
890 * Inventec system with broken key release on volume keys
891 */
39191698
DM		 892static unsigned int atkbd_inventec_forced_release_keys[] = {
893 0xae, 0xb0, -1U
894};
a8215b81 895
181f6382
RL		 896/*
897 * Perform fixup for HP Pavilion ZV6100 laptop that doesn't generate release
898 * for its volume buttons
899 */
39191698
DM		 900static unsigned int atkbd_hp_zv6100_forced_release_keys[] = {
901 0xae, 0xb0, -1U
902};
181f6382 903
2bcaa6a4
DA		 904/*
905 * Perform fixup for HP (Compaq) Presario R4000 R4100 R4200 that don't generate
906 * release for their volume buttons
907 */
908static unsigned int atkbd_hp_r4000_forced_release_keys[] = {
909 0xae, 0xb0, -1U
910};
911
4200844b 912/*
e04126c7 913 * Samsung NC10,NC20 with Fn+F? key release not working
4200844b 914 */
39191698
DM		 915static unsigned int atkbd_samsung_forced_release_keys[] = {
916 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
917};
4200844b 918
adcb523e
DM		 919/*
920 * The volume up and volume down special keys on a Fujitsu Amilo PA 1510 laptop
921 * do not generate release events so we have to do it ourselves.
922 */
923static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = {
924 0xb0, 0xae, -1U
925};
926
f0a14de2
SD		 927/*
928 * Amilo Pi 3525 key release for Fn+Volume keys not working
929 */
930static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
931 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
932};
933
9166d0f6
AB		 934/*
935 * Amilo Xi 3650 key release for light touch bar not working
936 */
937static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
938 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
939};
940
032e46cb
JY		 941/*
942 * Soltech TA12 system with broken key release on volume keys and mute key
943 */
944static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
945 0xa0, 0xae, 0xb0, -1U
946};
947
1da177e4 948/*
3c42f0c3 949 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT		 950 * according to the selected scancode set
951 */
952
953static void atkbd_set_keycode_table(struct atkbd *atkbd)
954{
554101e3 955 unsigned int scancode;
1da177e4
LT		 956 int i, j;
957
958 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1ba36e11 959 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT		 960
961 if (atkbd->translated) {
962 for (i = 0; i < 128; i++) {
554101e3
GN		 963 scancode = atkbd_unxlate_table[i];
964 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
965 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT		 966 if (atkbd->scroll)
967 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 968 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT		 969 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
970 }
971 } else if (atkbd->set == 3) {
972 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
973 } else {
974 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
975
976 if (atkbd->scroll)
554101e3
GN		 977 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
978 scancode = atkbd_scroll_keys[i].set2;
979 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
980 }
1da177e4 981 }
0ae051a1 982
554101e3
GN		 983/*
984 * HANGEUL and HANJA keys do not send release events so we need to
985 * generate such events ourselves
986 */
987 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
988 atkbd->keycode[scancode] = KEY_HANGEUL;
989 __set_bit(scancode, atkbd->force_release_mask);
990
991 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
992 atkbd->keycode[scancode] = KEY_HANJA;
993 __set_bit(scancode, atkbd->force_release_mask);
994
995/*
996 * Perform additional fixups
997 */
998 if (atkbd_platform_fixup)
39191698 999 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT		 1000}
1001
1002/*
1003 * atkbd_set_device_attrs() sets up keyboard's input device structure
1004 */
1005
1006static void atkbd_set_device_attrs(struct atkbd *atkbd)
1007{
3c42f0c3 1008 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT		 1009 int i;
1010
3c42f0c3 1011 if (atkbd->extra)
ea08c6fa
DT		 1012 snprintf(atkbd->name, sizeof(atkbd->name),
1013 "AT Set 2 Extra keyboard");
3c42f0c3 1014 else
ea08c6fa
DT		 1015 snprintf(atkbd->name, sizeof(atkbd->name),
1016 "AT %s Set %d keyboard",
1017 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 1018
ea08c6fa
DT		 1019 snprintf(atkbd->phys, sizeof(atkbd->phys),
1020 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 1021
3c42f0c3
DT		 1022 input_dev->name = atkbd->name;
1023 input_dev->phys = atkbd->phys;
1024 input_dev->id.bustype = BUS_I8042;
1025 input_dev->id.vendor = 0x0001;
1026 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1027 input_dev->id.version = atkbd->id;
1028 input_dev->event = atkbd_event;
469ba4df 1029 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 1030
b356872f
DT		 1031 input_set_drvdata(input_dev, atkbd);
1032
7b19ada2
JS		 1033 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1034 BIT_MASK(EV_MSC);
1da177e4
LT		 1035
1036 if (atkbd->write) {
7b19ada2
JS		 1037 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1038 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1039 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT		 1040 }
1041
1042 if (atkbd->extra)
7b19ada2
JS		 1043 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1044 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1045 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT		 1046
1047 if (!atkbd->softrepeat) {
3c42f0c3
DT		 1048 input_dev->rep[REP_DELAY] = 250;
1049 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT		 1050 }
1051
7b19ada2
JS		 1052 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1053 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT		 1054
1055 if (atkbd->scroll) {
7b19ada2
JS		 1056 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1057 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1058 BIT_MASK(REL_HWHEEL);
f6d65610 1059 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT		 1060 }
1061
3c42f0c3 1062 input_dev->keycode = atkbd->keycode;
f6d65610 1063 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1064 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4 1065
1ba36e11 1066 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++)
1da177e4 1067 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
f6d65610 1068 __set_bit(atkbd->keycode[i], input_dev->keybit);
1da177e4
LT		 1069}
1070
1071/*
1072 * atkbd_connect() is called when the serio module finds an interface
1073 * that isn't handled yet by an appropriate device driver. We check if
1074 * there is an AT keyboard out there and if yes, we register ourselves
1075 * to the input module.
1076 */
1077
1078static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1079{
1080 struct atkbd *atkbd;
3c42f0c3
DT		 1081 struct input_dev *dev;
1082 int err = -ENOMEM;
1da177e4 1083
3c42f0c3
DT		 1084 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1085 dev = input_allocate_device();
1086 if (!atkbd || !dev)
2b03b60e 1087 goto fail1;
1da177e4 1088
3c42f0c3 1089 atkbd->dev = dev;
1da177e4 1090 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1091 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
33d3f07a 1092 mutex_init(&atkbd->event_mutex);
1da177e4
LT		 1093
1094 switch (serio->id.type) {
1095
1096 case SERIO_8042_XL:
1097 atkbd->translated = 1;
1098 case SERIO_8042:
1099 if (serio->write)
1100 atkbd->write = 1;
1101 break;
1102 }
1103
1104 atkbd->softraw = atkbd_softraw;
1105 atkbd->softrepeat = atkbd_softrepeat;
1106 atkbd->scroll = atkbd_scroll;
1107
1da177e4
LT		 1108 if (atkbd->softrepeat)
1109 atkbd->softraw = 1;
1110
1111 serio_set_drvdata(serio, atkbd);
1112
1113 err = serio_open(serio, drv);
3c42f0c3 1114 if (err)
2b03b60e 1115 goto fail2;
1da177e4
LT		 1116
1117 if (atkbd->write) {
1118
1119 if (atkbd_probe(atkbd)) {
3c42f0c3 1120 err = -ENODEV;
2b03b60e 1121 goto fail3;
1da177e4
LT		 1122 }
1123
1124 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
fc0eb28c 1125 atkbd_reset_state(atkbd);
1da177e4
LT		 1126 atkbd_activate(atkbd);
1127
1128 } else {
1129 atkbd->set = 2;
1130 atkbd->id = 0xab00;
1131 }
1132
1da177e4
LT		 1133 atkbd_set_keycode_table(atkbd);
1134 atkbd_set_device_attrs(atkbd);
1135
2b03b60e
DT		 1136 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1137 if (err)
1138 goto fail3;
1da177e4
LT		 1139
1140 atkbd_enable(atkbd);
1141
2b03b60e
DT		 1142 err = input_register_device(atkbd->dev);
1143 if (err)
1144 goto fail4;
1da177e4
LT		 1145
1146 return 0;
3c42f0c3 1147
2b03b60e
DT		 1148 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1149 fail3: serio_close(serio);
1150 fail2: serio_set_drvdata(serio, NULL);
1151 fail1: input_free_device(dev);
3c42f0c3
DT		 1152 kfree(atkbd);
1153 return err;
1da177e4
LT		 1154}
1155
1156/*
1157 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1158 * most likely called on resume.
1159 */
1160
1161static int atkbd_reconnect(struct serio *serio)
1162{
1163 struct atkbd *atkbd = serio_get_drvdata(serio);
1164 struct serio_driver *drv = serio->drv;
1da177e4
LT		 1165
1166 if (!atkbd || !drv) {
1167 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1168 return -1;
1169 }
1170
1171 atkbd_disable(atkbd);
1172
1173 if (atkbd->write) {
1da177e4
LT		 1174 if (atkbd_probe(atkbd))
1175 return -1;
1176 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1177 return -1;
1178
1179 atkbd_activate(atkbd);
1da177e4
LT		 1180 }
1181
1182 atkbd_enable(atkbd);
1183
1184 return 0;
1185}
1186
1187static struct serio_device_id atkbd_serio_ids[] = {
1188 {
1189 .type = SERIO_8042,
1190 .proto = SERIO_ANY,
1191 .id = SERIO_ANY,
1192 .extra = SERIO_ANY,
1193 },
1194 {
1195 .type = SERIO_8042_XL,
1196 .proto = SERIO_ANY,
1197 .id = SERIO_ANY,
1198 .extra = SERIO_ANY,
1199 },
1200 {
1201 .type = SERIO_RS232,
1202 .proto = SERIO_PS2SER,
1203 .id = SERIO_ANY,
1204 .extra = SERIO_ANY,
1205 },
1206 { 0 }
1207};
1208
1209MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1210
1211static struct serio_driver atkbd_drv = {
1212 .driver = {
1213 .name = "atkbd",
1214 },
1215 .description = DRIVER_DESC,
1216 .id_table = atkbd_serio_ids,
1217 .interrupt = atkbd_interrupt,
1218 .connect = atkbd_connect,
1219 .reconnect = atkbd_reconnect,
1220 .disconnect = atkbd_disconnect,
1221 .cleanup = atkbd_cleanup,
1222};
1223
1224static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1225 ssize_t (*handler)(struct atkbd *, char *))
1226{
1227 struct serio *serio = to_serio_port(dev);
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 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1240
1241out:
1242 serio_unpin_driver(serio);
1243 return retval;
1244}
1245
1246static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1247 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1248{
1249 struct serio *serio = to_serio_port(dev);
1250 struct atkbd *atkbd;
1251 int retval;
1252
1253 retval = serio_pin_driver(serio);
1254 if (retval)
1255 return retval;
1256
1257 if (serio->drv != &atkbd_drv) {
1258 retval = -ENODEV;
1259 goto out;
1260 }
1261
1262 atkbd = serio_get_drvdata(serio);
1263 atkbd_disable(atkbd);
1264 retval = handler(atkbd, buf, count);
1265 atkbd_enable(atkbd);
1266
1267out:
1268 serio_unpin_driver(serio);
1269 return retval;
1270}
1271
1272static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1273{
1274 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1275}
1276
1277static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1278{
2b03b60e 1279 struct input_dev *old_dev, *new_dev;
1da177e4 1280 unsigned long value;
2b03b60e
DT		 1281 int err;
1282 unsigned char old_extra, old_set;
1da177e4
LT		 1283
1284 if (!atkbd->write)
1285 return -EIO;
1286
160f1fef 1287 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1288 return -EINVAL;
1289
1290 if (atkbd->extra != value) {
3c42f0c3
DT		 1291 /*
1292 * Since device's properties will change we need to
2b03b60e
DT		 1293 * unregister old device. But allocate and register
1294 * new one first to make sure we have it.
3c42f0c3 1295 */
2b03b60e
DT		 1296 old_dev = atkbd->dev;
1297 old_extra = atkbd->extra;
1298 old_set = atkbd->set;
1299
1300 new_dev = input_allocate_device();
1301 if (!new_dev)
3c42f0c3 1302 return -ENOMEM;
2b03b60e 1303
3c42f0c3 1304 atkbd->dev = new_dev;
1da177e4 1305 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
fc0eb28c 1306 atkbd_reset_state(atkbd);
1da177e4 1307 atkbd_activate(atkbd);
2b03b60e 1308 atkbd_set_keycode_table(atkbd);
1da177e4 1309 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1310
1311 err = input_register_device(atkbd->dev);
1312 if (err) {
1313 input_free_device(new_dev);
1314
1315 atkbd->dev = old_dev;
1316 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1317 atkbd_set_keycode_table(atkbd);
1318 atkbd_set_device_attrs(atkbd);
1319
1320 return err;
1321 }
1322 input_unregister_device(old_dev);
1323
1da177e4
LT		 1324 }
1325 return count;
1326}
1327
1ba36e11
DT		 1328static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1329{
1330 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1331 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1332
1333 buf[len++] = '\n';
1334 buf[len] = '\0';
1335
1336 return len;
1337}
1338
1339static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1340 const char *buf, size_t count)
1341{
1342 /* 64 bytes on stack should be acceptable */
1343 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1344 int err;
1345
1346 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1347 if (err)
1348 return err;
1349
1350 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1351 return count;
1352}
1353
1354
1da177e4
LT		 1355static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1356{
1357 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1358}
1359
1360static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1361{
2b03b60e 1362 struct input_dev *old_dev, *new_dev;
1da177e4 1363 unsigned long value;
2b03b60e
DT		 1364 int err;
1365 unsigned char old_scroll;
1da177e4 1366
160f1fef 1367 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1368 return -EINVAL;
1369
1370 if (atkbd->scroll != value) {
2b03b60e
DT		 1371 old_dev = atkbd->dev;
1372 old_scroll = atkbd->scroll;
1373
1374 new_dev = input_allocate_device();
1375 if (!new_dev)
3c42f0c3 1376 return -ENOMEM;
2b03b60e 1377
3c42f0c3 1378 atkbd->dev = new_dev;
1da177e4
LT		 1379 atkbd->scroll = value;
1380 atkbd_set_keycode_table(atkbd);
1381 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1382
1383 err = input_register_device(atkbd->dev);
1384 if (err) {
1385 input_free_device(new_dev);
1386
1387 atkbd->scroll = old_scroll;
1388 atkbd->dev = old_dev;
1389 atkbd_set_keycode_table(atkbd);
1390 atkbd_set_device_attrs(atkbd);
1391
1392 return err;
1393 }
1394 input_unregister_device(old_dev);
1da177e4
LT		 1395 }
1396 return count;
1397}
1398
1399static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1400{
1401 return sprintf(buf, "%d\n", atkbd->set);
1402}
1403
1404static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1405{
2b03b60e 1406 struct input_dev *old_dev, *new_dev;
1da177e4 1407 unsigned long value;
2b03b60e
DT		 1408 int err;
1409 unsigned char old_set, old_extra;
1da177e4
LT		 1410
1411 if (!atkbd->write)
1412 return -EIO;
1413
160f1fef 1414 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1da177e4
LT		 1415 return -EINVAL;
1416
1417 if (atkbd->set != value) {
2b03b60e
DT		 1418 old_dev = atkbd->dev;
1419 old_extra = atkbd->extra;
1420 old_set = atkbd->set;
1421
1422 new_dev = input_allocate_device();
1423 if (!new_dev)
3c42f0c3 1424 return -ENOMEM;
2b03b60e 1425
3c42f0c3 1426 atkbd->dev = new_dev;
1da177e4
LT		 1427 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1428 atkbd_activate(atkbd);
1429 atkbd_set_keycode_table(atkbd);
1430 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1431
1432 err = input_register_device(atkbd->dev);
1433 if (err) {
1434 input_free_device(new_dev);
1435
1436 atkbd->dev = old_dev;
1437 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1438 atkbd_set_keycode_table(atkbd);
1439 atkbd_set_device_attrs(atkbd);
1440
1441 return err;
1442 }
1443 input_unregister_device(old_dev);
1da177e4
LT		 1444 }
1445 return count;
1446}
1447
1448static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1449{
1450 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1451}
1452
1453static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1454{
2b03b60e 1455 struct input_dev *old_dev, *new_dev;
1da177e4 1456 unsigned long value;
2b03b60e
DT		 1457 int err;
1458 unsigned char old_softrepeat, old_softraw;
1da177e4
LT		 1459
1460 if (!atkbd->write)
1461 return -EIO;
1462
160f1fef 1463 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1464 return -EINVAL;
1465
1466 if (atkbd->softrepeat != value) {
2b03b60e
DT		 1467 old_dev = atkbd->dev;
1468 old_softrepeat = atkbd->softrepeat;
1469 old_softraw = atkbd->softraw;
1470
1471 new_dev = input_allocate_device();
1472 if (!new_dev)
3c42f0c3 1473 return -ENOMEM;
2b03b60e 1474
3c42f0c3 1475 atkbd->dev = new_dev;
1da177e4
LT		 1476 atkbd->softrepeat = value;
1477 if (atkbd->softrepeat)
1478 atkbd->softraw = 1;
1479 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1480
1481 err = input_register_device(atkbd->dev);
1482 if (err) {
1483 input_free_device(new_dev);
1484
1485 atkbd->dev = old_dev;
1486 atkbd->softrepeat = old_softrepeat;
1487 atkbd->softraw = old_softraw;
1488 atkbd_set_device_attrs(atkbd);
1489
1490 return err;
1491 }
1492 input_unregister_device(old_dev);
1da177e4 1493 }
1da177e4
LT		 1494 return count;
1495}
1496
1497
1498static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1499{
1500 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1501}
1502
1503static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1504{
2b03b60e 1505 struct input_dev *old_dev, *new_dev;
1da177e4 1506 unsigned long value;
2b03b60e
DT		 1507 int err;
1508 unsigned char old_softraw;
1da177e4 1509
160f1fef 1510 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1511 return -EINVAL;
1512
1513 if (atkbd->softraw != value) {
2b03b60e
DT		 1514 old_dev = atkbd->dev;
1515 old_softraw = atkbd->softraw;
1516
1517 new_dev = input_allocate_device();
1518 if (!new_dev)
3c42f0c3 1519 return -ENOMEM;
2b03b60e 1520
3c42f0c3 1521 atkbd->dev = new_dev;
1da177e4
LT		 1522 atkbd->softraw = value;
1523 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1524
1525 err = input_register_device(atkbd->dev);
1526 if (err) {
1527 input_free_device(new_dev);
1528
1529 atkbd->dev = old_dev;
1530 atkbd->softraw = old_softraw;
1531 atkbd_set_device_attrs(atkbd);
1532
1533 return err;
1534 }
1535 input_unregister_device(old_dev);
1da177e4
LT		 1536 }
1537 return count;
1538}
1539
86255d9d
DT		 1540static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1541{
1542 return sprintf(buf, "%lu\n", atkbd->err_count);
1543}
1544
39191698 1545static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1546{
39191698
DM		 1547 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1548 atkbd_platform_fixup_data = id->driver_data;
1549
554101e3
GN		 1550 return 0;
1551}
1552
1553static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
1554 {
61579ba8 1555 .ident = "Dell Laptop",
554101e3
GN		 1556 .matches = {
1557 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1558 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1559 },
39191698
DM		 1560 .callback = atkbd_setup_forced_release,
1561 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1562 },
2a3ec326
MG		 1563 {
1564 .ident = "Dell Laptop",
1565 .matches = {
1566 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1567 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1568 },
39191698
DM		 1569 .callback = atkbd_setup_forced_release,
1570 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1571 },
5a54c011
JK		 1572 {
1573 .ident = "HP 2133",
1574 .matches = {
1575 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1576 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1577 },
39191698
DM		 1578 .callback = atkbd_setup_forced_release,
1579 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1580 },
181f6382
RL		 1581 {
1582 .ident = "HP Pavilion ZV6100",
1583 .matches = {
1584 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1585 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1586 },
39191698
DM		 1587 .callback = atkbd_setup_forced_release,
1588 .driver_data = atkbd_hp_zv6100_forced_release_keys,
181f6382 1589 },
2bcaa6a4
DA		 1590 {
1591 .ident = "HP Presario R4000",
1592 .matches = {
1593 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1594 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1595 },
1596 .callback = atkbd_setup_forced_release,
1597 .driver_data = atkbd_hp_r4000_forced_release_keys,
1598 },
1599 {
1600 .ident = "HP Presario R4100",
1601 .matches = {
1602 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1603 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1604 },
1605 .callback = atkbd_setup_forced_release,
1606 .driver_data = atkbd_hp_r4000_forced_release_keys,
1607 },
1608 {
1609 .ident = "HP Presario R4200",
1610 .matches = {
1611 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1612 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1613 },
1614 .callback = atkbd_setup_forced_release,
1615 .driver_data = atkbd_hp_r4000_forced_release_keys,
1616 },
a8215b81
MG		 1617 {
1618 .ident = "Inventec Symphony",
1619 .matches = {
1620 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1621 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1622 },
39191698
DM		 1623 .callback = atkbd_setup_forced_release,
1624 .driver_data = atkbd_inventec_forced_release_keys,
a8215b81 1625 },
4200844b
SH		 1626 {
1627 .ident = "Samsung NC10",
1628 .matches = {
1629 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1630 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1631 },
39191698
DM		 1632 .callback = atkbd_setup_forced_release,
1633 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1634 },
e04126c7
BC		 1635 {
1636 .ident = "Samsung NC20",
1637 .matches = {
1638 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1639 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1640 },
1641 .callback = atkbd_setup_forced_release,
1642 .driver_data = atkbd_samsung_forced_release_keys,
1643 },
157f3a3e
DT		 1644 {
1645 .ident = "Samsung SQ45S70S",
1646 .matches = {
1647 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1648 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1649 },
1650 .callback = atkbd_setup_forced_release,
1651 .driver_data = atkbd_samsung_forced_release_keys,
1652 },
adcb523e
DM		 1653 {
1654 .ident = "Fujitsu Amilo PA 1510",
1655 .matches = {
1656 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1657 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1658 },
1659 .callback = atkbd_setup_forced_release,
1660 .driver_data = atkbd_amilo_pa1510_forced_release_keys,
1661 },
f0a14de2
SD		 1662 {
1663 .ident = "Fujitsu Amilo Pi 3525",
1664 .matches = {
1665 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1666 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1667 },
1668 .callback = atkbd_setup_forced_release,
1669 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1670 },
9166d0f6
AB		 1671 {
1672 .ident = "Fujitsu Amilo Xi 3650",
1673 .matches = {
1674 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1675 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1676 },
1677 .callback = atkbd_setup_forced_release,
1678 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1679 },
032e46cb
JY		 1680 {
1681 .ident = "Soltech Corporation TA12",
1682 .matches = {
1683 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1684 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1685 },
1686 .callback = atkbd_setup_forced_release,
1687 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1688 },
554101e3
GN		 1689 { }
1690};
1da177e4
LT		 1691
1692static int __init atkbd_init(void)
1693{
554101e3
GN		 1694 dmi_check_system(atkbd_dmi_quirk_table);
1695
153a9df0 1696 return serio_register_driver(&atkbd_drv);
1da177e4
LT		 1697}
1698
1699static void __exit atkbd_exit(void)
1700{
1701 serio_unregister_driver(&atkbd_drv);
1702}
1703
1704module_init(atkbd_init);
1705module_exit(atkbd_exit);
kernel source for telekom puls (alcatel/mediatek)