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Input: atkbd - consolidate force release quirk setup
[deliverable/linux.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
SH		 882/*
883 * Samsung NC10 with Fn+F? key release not working
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
1da177e4 889/*
3c42f0c3 890 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT		 891 * according to the selected scancode set
892 */
893
894static void atkbd_set_keycode_table(struct atkbd *atkbd)
895{
554101e3 896 unsigned int scancode;
1da177e4
LT		 897 int i, j;
898
899 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
554101e3 900 bitmap_zero(atkbd->force_release_mask, 512);
1da177e4
LT		 901
902 if (atkbd->translated) {
903 for (i = 0; i < 128; i++) {
554101e3
GN		 904 scancode = atkbd_unxlate_table[i];
905 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
906 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT		 907 if (atkbd->scroll)
908 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 909 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT		 910 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
911 }
912 } else if (atkbd->set == 3) {
913 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
914 } else {
915 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
916
917 if (atkbd->scroll)
554101e3
GN		 918 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
919 scancode = atkbd_scroll_keys[i].set2;
920 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
921 }
1da177e4 922 }
0ae051a1 923
554101e3
GN		 924/*
925 * HANGEUL and HANJA keys do not send release events so we need to
926 * generate such events ourselves
927 */
928 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
929 atkbd->keycode[scancode] = KEY_HANGEUL;
930 __set_bit(scancode, atkbd->force_release_mask);
931
932 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
933 atkbd->keycode[scancode] = KEY_HANJA;
934 __set_bit(scancode, atkbd->force_release_mask);
935
936/*
937 * Perform additional fixups
938 */
939 if (atkbd_platform_fixup)
39191698 940 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT		 941}
942
943/*
944 * atkbd_set_device_attrs() sets up keyboard's input device structure
945 */
946
947static void atkbd_set_device_attrs(struct atkbd *atkbd)
948{
3c42f0c3 949 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT		 950 int i;
951
3c42f0c3 952 if (atkbd->extra)
ea08c6fa
DT		 953 snprintf(atkbd->name, sizeof(atkbd->name),
954 "AT Set 2 Extra keyboard");
3c42f0c3 955 else
ea08c6fa
DT		 956 snprintf(atkbd->name, sizeof(atkbd->name),
957 "AT %s Set %d keyboard",
958 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 959
ea08c6fa
DT		 960 snprintf(atkbd->phys, sizeof(atkbd->phys),
961 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 962
3c42f0c3
DT		 963 input_dev->name = atkbd->name;
964 input_dev->phys = atkbd->phys;
965 input_dev->id.bustype = BUS_I8042;
966 input_dev->id.vendor = 0x0001;
967 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
968 input_dev->id.version = atkbd->id;
969 input_dev->event = atkbd_event;
469ba4df 970 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 971
b356872f
DT		 972 input_set_drvdata(input_dev, atkbd);
973
7b19ada2
JS		 974 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
975 BIT_MASK(EV_MSC);
1da177e4
LT		 976
977 if (atkbd->write) {
7b19ada2
JS		 978 input_dev->evbit[0] |= BIT_MASK(EV_LED);
979 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
980 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT		 981 }
982
983 if (atkbd->extra)
7b19ada2
JS		 984 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
985 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
986 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT		 987
988 if (!atkbd->softrepeat) {
3c42f0c3
DT		 989 input_dev->rep[REP_DELAY] = 250;
990 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT		 991 }
992
7b19ada2
JS		 993 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
994 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT		 995
996 if (atkbd->scroll) {
7b19ada2
JS		 997 input_dev->evbit[0] |= BIT_MASK(EV_REL);
998 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
999 BIT_MASK(REL_HWHEEL);
f6d65610 1000 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT		 1001 }
1002
3c42f0c3 1003 input_dev->keycode = atkbd->keycode;
f6d65610 1004 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1005 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4
LT		 1006
1007 for (i = 0; i < 512; i++)
1008 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
f6d65610 1009 __set_bit(atkbd->keycode[i], input_dev->keybit);
1da177e4
LT		 1010}
1011
1012/*
1013 * atkbd_connect() is called when the serio module finds an interface
1014 * that isn't handled yet by an appropriate device driver. We check if
1015 * there is an AT keyboard out there and if yes, we register ourselves
1016 * to the input module.
1017 */
1018
1019static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1020{
1021 struct atkbd *atkbd;
3c42f0c3
DT		 1022 struct input_dev *dev;
1023 int err = -ENOMEM;
1da177e4 1024
3c42f0c3
DT		 1025 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1026 dev = input_allocate_device();
1027 if (!atkbd || !dev)
2b03b60e 1028 goto fail1;
1da177e4 1029
3c42f0c3 1030 atkbd->dev = dev;
1da177e4 1031 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1032 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
33d3f07a 1033 mutex_init(&atkbd->event_mutex);
1da177e4
LT		 1034
1035 switch (serio->id.type) {
1036
1037 case SERIO_8042_XL:
1038 atkbd->translated = 1;
1039 case SERIO_8042:
1040 if (serio->write)
1041 atkbd->write = 1;
1042 break;
1043 }
1044
1045 atkbd->softraw = atkbd_softraw;
1046 atkbd->softrepeat = atkbd_softrepeat;
1047 atkbd->scroll = atkbd_scroll;
1048
1da177e4
LT		 1049 if (atkbd->softrepeat)
1050 atkbd->softraw = 1;
1051
1052 serio_set_drvdata(serio, atkbd);
1053
1054 err = serio_open(serio, drv);
3c42f0c3 1055 if (err)
2b03b60e 1056 goto fail2;
1da177e4
LT		 1057
1058 if (atkbd->write) {
1059
1060 if (atkbd_probe(atkbd)) {
3c42f0c3 1061 err = -ENODEV;
2b03b60e 1062 goto fail3;
1da177e4
LT		 1063 }
1064
1065 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
1066 atkbd_activate(atkbd);
1067
1068 } else {
1069 atkbd->set = 2;
1070 atkbd->id = 0xab00;
1071 }
1072
1da177e4
LT		 1073 atkbd_set_keycode_table(atkbd);
1074 atkbd_set_device_attrs(atkbd);
1075
2b03b60e
DT		 1076 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1077 if (err)
1078 goto fail3;
1da177e4
LT		 1079
1080 atkbd_enable(atkbd);
1081
2b03b60e
DT		 1082 err = input_register_device(atkbd->dev);
1083 if (err)
1084 goto fail4;
1da177e4
LT		 1085
1086 return 0;
3c42f0c3 1087
2b03b60e
DT		 1088 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1089 fail3: serio_close(serio);
1090 fail2: serio_set_drvdata(serio, NULL);
1091 fail1: input_free_device(dev);
3c42f0c3
DT		 1092 kfree(atkbd);
1093 return err;
1da177e4
LT		 1094}
1095
1096/*
1097 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1098 * most likely called on resume.
1099 */
1100
1101static int atkbd_reconnect(struct serio *serio)
1102{
1103 struct atkbd *atkbd = serio_get_drvdata(serio);
1104 struct serio_driver *drv = serio->drv;
1da177e4
LT		 1105
1106 if (!atkbd || !drv) {
1107 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1108 return -1;
1109 }
1110
1111 atkbd_disable(atkbd);
1112
1113 if (atkbd->write) {
1da177e4
LT		 1114 if (atkbd_probe(atkbd))
1115 return -1;
1116 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1117 return -1;
1118
1119 atkbd_activate(atkbd);
1120
3d0f0fa0
DT		 1121/*
1122 * Restore repeat rate and LEDs (that were reset by atkbd_activate)
1123 * to pre-resume state
1124 */
1125 if (!atkbd->softrepeat)
1126 atkbd_set_repeat_rate(atkbd);
1127 atkbd_set_leds(atkbd);
1da177e4
LT		 1128 }
1129
1130 atkbd_enable(atkbd);
1131
1132 return 0;
1133}
1134
1135static struct serio_device_id atkbd_serio_ids[] = {
1136 {
1137 .type = SERIO_8042,
1138 .proto = SERIO_ANY,
1139 .id = SERIO_ANY,
1140 .extra = SERIO_ANY,
1141 },
1142 {
1143 .type = SERIO_8042_XL,
1144 .proto = SERIO_ANY,
1145 .id = SERIO_ANY,
1146 .extra = SERIO_ANY,
1147 },
1148 {
1149 .type = SERIO_RS232,
1150 .proto = SERIO_PS2SER,
1151 .id = SERIO_ANY,
1152 .extra = SERIO_ANY,
1153 },
1154 { 0 }
1155};
1156
1157MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1158
1159static struct serio_driver atkbd_drv = {
1160 .driver = {
1161 .name = "atkbd",
1162 },
1163 .description = DRIVER_DESC,
1164 .id_table = atkbd_serio_ids,
1165 .interrupt = atkbd_interrupt,
1166 .connect = atkbd_connect,
1167 .reconnect = atkbd_reconnect,
1168 .disconnect = atkbd_disconnect,
1169 .cleanup = atkbd_cleanup,
1170};
1171
1172static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1173 ssize_t (*handler)(struct atkbd *, char *))
1174{
1175 struct serio *serio = to_serio_port(dev);
1176 int retval;
1177
1178 retval = serio_pin_driver(serio);
1179 if (retval)
1180 return retval;
1181
1182 if (serio->drv != &atkbd_drv) {
1183 retval = -ENODEV;
1184 goto out;
1185 }
1186
1187 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1188
1189out:
1190 serio_unpin_driver(serio);
1191 return retval;
1192}
1193
1194static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1195 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1196{
1197 struct serio *serio = to_serio_port(dev);
1198 struct atkbd *atkbd;
1199 int retval;
1200
1201 retval = serio_pin_driver(serio);
1202 if (retval)
1203 return retval;
1204
1205 if (serio->drv != &atkbd_drv) {
1206 retval = -ENODEV;
1207 goto out;
1208 }
1209
1210 atkbd = serio_get_drvdata(serio);
1211 atkbd_disable(atkbd);
1212 retval = handler(atkbd, buf, count);
1213 atkbd_enable(atkbd);
1214
1215out:
1216 serio_unpin_driver(serio);
1217 return retval;
1218}
1219
1220static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1221{
1222 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1223}
1224
1225static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1226{
2b03b60e 1227 struct input_dev *old_dev, *new_dev;
1da177e4 1228 unsigned long value;
2b03b60e
DT		 1229 int err;
1230 unsigned char old_extra, old_set;
1da177e4
LT		 1231
1232 if (!atkbd->write)
1233 return -EIO;
1234
160f1fef 1235 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1236 return -EINVAL;
1237
1238 if (atkbd->extra != value) {
3c42f0c3
DT		 1239 /*
1240 * Since device's properties will change we need to
2b03b60e
DT		 1241 * unregister old device. But allocate and register
1242 * new one first to make sure we have it.
3c42f0c3 1243 */
2b03b60e
DT		 1244 old_dev = atkbd->dev;
1245 old_extra = atkbd->extra;
1246 old_set = atkbd->set;
1247
1248 new_dev = input_allocate_device();
1249 if (!new_dev)
3c42f0c3 1250 return -ENOMEM;
2b03b60e 1251
3c42f0c3 1252 atkbd->dev = new_dev;
1da177e4
LT		 1253 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
1254 atkbd_activate(atkbd);
2b03b60e 1255 atkbd_set_keycode_table(atkbd);
1da177e4 1256 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1257
1258 err = input_register_device(atkbd->dev);
1259 if (err) {
1260 input_free_device(new_dev);
1261
1262 atkbd->dev = old_dev;
1263 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1264 atkbd_set_keycode_table(atkbd);
1265 atkbd_set_device_attrs(atkbd);
1266
1267 return err;
1268 }
1269 input_unregister_device(old_dev);
1270
1da177e4
LT		 1271 }
1272 return count;
1273}
1274
1275static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1276{
1277 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1278}
1279
1280static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1281{
2b03b60e 1282 struct input_dev *old_dev, *new_dev;
1da177e4 1283 unsigned long value;
2b03b60e
DT		 1284 int err;
1285 unsigned char old_scroll;
1da177e4 1286
160f1fef 1287 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1288 return -EINVAL;
1289
1290 if (atkbd->scroll != value) {
2b03b60e
DT		 1291 old_dev = atkbd->dev;
1292 old_scroll = atkbd->scroll;
1293
1294 new_dev = input_allocate_device();
1295 if (!new_dev)
3c42f0c3 1296 return -ENOMEM;
2b03b60e 1297
3c42f0c3 1298 atkbd->dev = new_dev;
1da177e4
LT		 1299 atkbd->scroll = value;
1300 atkbd_set_keycode_table(atkbd);
1301 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1302
1303 err = input_register_device(atkbd->dev);
1304 if (err) {
1305 input_free_device(new_dev);
1306
1307 atkbd->scroll = old_scroll;
1308 atkbd->dev = old_dev;
1309 atkbd_set_keycode_table(atkbd);
1310 atkbd_set_device_attrs(atkbd);
1311
1312 return err;
1313 }
1314 input_unregister_device(old_dev);
1da177e4
LT		 1315 }
1316 return count;
1317}
1318
1319static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1320{
1321 return sprintf(buf, "%d\n", atkbd->set);
1322}
1323
1324static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1325{
2b03b60e 1326 struct input_dev *old_dev, *new_dev;
1da177e4 1327 unsigned long value;
2b03b60e
DT		 1328 int err;
1329 unsigned char old_set, old_extra;
1da177e4
LT		 1330
1331 if (!atkbd->write)
1332 return -EIO;
1333
160f1fef 1334 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1da177e4
LT		 1335 return -EINVAL;
1336
1337 if (atkbd->set != value) {
2b03b60e
DT		 1338 old_dev = atkbd->dev;
1339 old_extra = atkbd->extra;
1340 old_set = atkbd->set;
1341
1342 new_dev = input_allocate_device();
1343 if (!new_dev)
3c42f0c3 1344 return -ENOMEM;
2b03b60e 1345
3c42f0c3 1346 atkbd->dev = new_dev;
1da177e4
LT		 1347 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1348 atkbd_activate(atkbd);
1349 atkbd_set_keycode_table(atkbd);
1350 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1351
1352 err = input_register_device(atkbd->dev);
1353 if (err) {
1354 input_free_device(new_dev);
1355
1356 atkbd->dev = old_dev;
1357 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1358 atkbd_set_keycode_table(atkbd);
1359 atkbd_set_device_attrs(atkbd);
1360
1361 return err;
1362 }
1363 input_unregister_device(old_dev);
1da177e4
LT		 1364 }
1365 return count;
1366}
1367
1368static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1369{
1370 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1371}
1372
1373static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1374{
2b03b60e 1375 struct input_dev *old_dev, *new_dev;
1da177e4 1376 unsigned long value;
2b03b60e
DT		 1377 int err;
1378 unsigned char old_softrepeat, old_softraw;
1da177e4
LT		 1379
1380 if (!atkbd->write)
1381 return -EIO;
1382
160f1fef 1383 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1384 return -EINVAL;
1385
1386 if (atkbd->softrepeat != value) {
2b03b60e
DT		 1387 old_dev = atkbd->dev;
1388 old_softrepeat = atkbd->softrepeat;
1389 old_softraw = atkbd->softraw;
1390
1391 new_dev = input_allocate_device();
1392 if (!new_dev)
3c42f0c3 1393 return -ENOMEM;
2b03b60e 1394
3c42f0c3 1395 atkbd->dev = new_dev;
1da177e4
LT		 1396 atkbd->softrepeat = value;
1397 if (atkbd->softrepeat)
1398 atkbd->softraw = 1;
1399 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1400
1401 err = input_register_device(atkbd->dev);
1402 if (err) {
1403 input_free_device(new_dev);
1404
1405 atkbd->dev = old_dev;
1406 atkbd->softrepeat = old_softrepeat;
1407 atkbd->softraw = old_softraw;
1408 atkbd_set_device_attrs(atkbd);
1409
1410 return err;
1411 }
1412 input_unregister_device(old_dev);
1da177e4 1413 }
1da177e4
LT		 1414 return count;
1415}
1416
1417
1418static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1419{
1420 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1421}
1422
1423static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1424{
2b03b60e 1425 struct input_dev *old_dev, *new_dev;
1da177e4 1426 unsigned long value;
2b03b60e
DT		 1427 int err;
1428 unsigned char old_softraw;
1da177e4 1429
160f1fef 1430 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1431 return -EINVAL;
1432
1433 if (atkbd->softraw != value) {
2b03b60e
DT		 1434 old_dev = atkbd->dev;
1435 old_softraw = atkbd->softraw;
1436
1437 new_dev = input_allocate_device();
1438 if (!new_dev)
3c42f0c3 1439 return -ENOMEM;
2b03b60e 1440
3c42f0c3 1441 atkbd->dev = new_dev;
1da177e4
LT		 1442 atkbd->softraw = value;
1443 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1444
1445 err = input_register_device(atkbd->dev);
1446 if (err) {
1447 input_free_device(new_dev);
1448
1449 atkbd->dev = old_dev;
1450 atkbd->softraw = old_softraw;
1451 atkbd_set_device_attrs(atkbd);
1452
1453 return err;
1454 }
1455 input_unregister_device(old_dev);
1da177e4
LT		 1456 }
1457 return count;
1458}
1459
86255d9d
DT		 1460static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1461{
1462 return sprintf(buf, "%lu\n", atkbd->err_count);
1463}
1464
39191698 1465static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1466{
39191698
DM		 1467 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1468 atkbd_platform_fixup_data = id->driver_data;
1469
554101e3
GN		 1470 return 0;
1471}
1472
1473static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
1474 {
61579ba8 1475 .ident = "Dell Laptop",
554101e3
GN		 1476 .matches = {
1477 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1478 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1479 },
39191698
DM		 1480 .callback = atkbd_setup_forced_release,
1481 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1482 },
2a3ec326
MG		 1483 {
1484 .ident = "Dell Laptop",
1485 .matches = {
1486 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1487 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1488 },
39191698
DM		 1489 .callback = atkbd_setup_forced_release,
1490 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1491 },
5a54c011
JK		 1492 {
1493 .ident = "HP 2133",
1494 .matches = {
1495 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1496 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1497 },
39191698
DM		 1498 .callback = atkbd_setup_forced_release,
1499 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1500 },
181f6382
RL		 1501 {
1502 .ident = "HP Pavilion ZV6100",
1503 .matches = {
1504 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1505 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1506 },
39191698
DM		 1507 .callback = atkbd_setup_forced_release,
1508 .driver_data = atkbd_hp_zv6100_forced_release_keys,
181f6382 1509 },
a8215b81
MG		 1510 {
1511 .ident = "Inventec Symphony",
1512 .matches = {
1513 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1514 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1515 },
39191698
DM		 1516 .callback = atkbd_setup_forced_release,
1517 .driver_data = atkbd_inventec_forced_release_keys,
a8215b81 1518 },
4200844b
SH		 1519 {
1520 .ident = "Samsung NC10",
1521 .matches = {
1522 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1523 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1524 },
39191698
DM		 1525 .callback = atkbd_setup_forced_release,
1526 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1527 },
554101e3
GN		 1528 { }
1529};
1da177e4
LT		 1530
1531static int __init atkbd_init(void)
1532{
554101e3
GN		 1533 dmi_check_system(atkbd_dmi_quirk_table);
1534
153a9df0 1535 return serio_register_driver(&atkbd_drv);
1da177e4
LT		 1536}
1537
1538static void __exit atkbd_exit(void)
1539{
1540 serio_unregister_driver(&atkbd_drv);
1541}
1542
1543module_init(atkbd_init);
1544module_exit(atkbd_exit);
Linux kernel - Deliverables
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