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Input: speed up suspend/shutdown for PS/2 mice and keyboards
[net-next-2.6.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
4a299bf5
DT		 137#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */
138#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */
1da177e4
LT		 139#define ATKBD_CMD_SETALL_MBR 0x00fa
140#define ATKBD_CMD_RESET_BAT 0x02ff
141#define ATKBD_CMD_RESEND 0x00fe
142#define ATKBD_CMD_EX_ENABLE 0x10ea
143#define ATKBD_CMD_EX_SETLEDS 0x20eb
144#define ATKBD_CMD_OK_GETID 0x02e8
145
146#define ATKBD_RET_ACK 0xfa
147#define ATKBD_RET_NAK 0xfe
148#define ATKBD_RET_BAT 0xaa
149#define ATKBD_RET_EMUL0 0xe0
150#define ATKBD_RET_EMUL1 0xe1
151#define ATKBD_RET_RELEASE 0xf0
0ae051a1
DT		 152#define ATKBD_RET_HANJA 0xf1
153#define ATKBD_RET_HANGEUL 0xf2
1da177e4
LT		 154#define ATKBD_RET_ERR 0xff
155
156#define ATKBD_KEY_UNKNOWN 0
157#define ATKBD_KEY_NULL 255
158
159#define ATKBD_SCR_1 254
160#define ATKBD_SCR_2 253
161#define ATKBD_SCR_4 252
162#define ATKBD_SCR_8 251
163#define ATKBD_SCR_CLICK 250
164#define ATKBD_SCR_LEFT 249
165#define ATKBD_SCR_RIGHT 248
166
f6d65610 167#define ATKBD_SPECIAL ATKBD_SCR_RIGHT
1da177e4 168
0d4c8597
DT		 169#define ATKBD_LED_EVENT_BIT 0
170#define ATKBD_REP_EVENT_BIT 1
171
0ae051a1
DT		 172#define ATKBD_XL_ERR 0x01
173#define ATKBD_XL_BAT 0x02
174#define ATKBD_XL_ACK 0x04
175#define ATKBD_XL_NAK 0x08
176#define ATKBD_XL_HANGEUL 0x10
177#define ATKBD_XL_HANJA 0x20
178
f6d65610 179static const struct {
1da177e4
LT		 180 unsigned char keycode;
181 unsigned char set2;
182} atkbd_scroll_keys[] = {
183 { ATKBD_SCR_1, 0xc5 },
5212dd58
VP		 184 { ATKBD_SCR_2, 0x9d },
185 { ATKBD_SCR_4, 0xa4 },
186 { ATKBD_SCR_8, 0x9b },
1da177e4
LT		 187 { ATKBD_SCR_CLICK, 0xe0 },
188 { ATKBD_SCR_LEFT, 0xcb },
189 { ATKBD_SCR_RIGHT, 0xd2 },
190};
191
192/*
193 * The atkbd control structure
194 */
195
196struct atkbd {
197
3c42f0c3
DT		 198 struct ps2dev ps2dev;
199 struct input_dev *dev;
1da177e4
LT		 200
201 /* Written only during init */
202 char name[64];
203 char phys[32];
1da177e4
LT		 204
205 unsigned short id;
1ba36e11
DT		 206 unsigned short keycode[ATKBD_KEYMAP_SIZE];
207 DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT		 208 unsigned char set;
209 unsigned char translated;
210 unsigned char extra;
211 unsigned char write;
212 unsigned char softrepeat;
213 unsigned char softraw;
214 unsigned char scroll;
215 unsigned char enabled;
216
217 /* Accessed only from interrupt */
218 unsigned char emul;
219 unsigned char resend;
220 unsigned char release;
0ae051a1 221 unsigned long xl_bit;
1da177e4
LT		 222 unsigned int last;
223 unsigned long time;
86255d9d 224 unsigned long err_count;
0d4c8597 225
da4249c9
DT		 226 struct delayed_work event_work;
227 unsigned long event_jiffies;
33d3f07a 228 struct mutex event_mutex;
0d4c8597 229 unsigned long event_mask;
1da177e4
LT		 230};
231
554101e3 232/*
36726dd9 233 * System-specific keymap fixup routine
554101e3 234 */
39191698
DM		 235static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
236static void *atkbd_platform_fixup_data;
e5713069 237static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
554101e3 238
1da177e4
LT		 239static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
240 ssize_t (*handler)(struct atkbd *, char *));
241static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
242 ssize_t (*handler)(struct atkbd *, const char *, size_t));
243#define ATKBD_DEFINE_ATTR(_name) \
244static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
245static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
86255d9d
DT		 246static ssize_t atkbd_do_show_##_name(struct device *d, \
247 struct device_attribute *attr, char *b) \
1da177e4
LT		 248{ \
249 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
250} \
86255d9d
DT		 251static ssize_t atkbd_do_set_##_name(struct device *d, \
252 struct device_attribute *attr, const char *b, size_t s) \
1da177e4
LT		 253{ \
254 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
255} \
d083e906 256static struct device_attribute atkbd_attr_##_name = \
1da177e4
LT		 257 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
258
259ATKBD_DEFINE_ATTR(extra);
1ba36e11 260ATKBD_DEFINE_ATTR(force_release);
1da177e4
LT		 261ATKBD_DEFINE_ATTR(scroll);
262ATKBD_DEFINE_ATTR(set);
263ATKBD_DEFINE_ATTR(softrepeat);
264ATKBD_DEFINE_ATTR(softraw);
265
86255d9d
DT		 266#define ATKBD_DEFINE_RO_ATTR(_name) \
267static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
268static ssize_t atkbd_do_show_##_name(struct device *d, \
269 struct device_attribute *attr, char *b) \
270{ \
271 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
272} \
273static struct device_attribute atkbd_attr_##_name = \
274 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
275
276ATKBD_DEFINE_RO_ATTR(err_count);
277
278static struct attribute *atkbd_attributes[] = {
279 &atkbd_attr_extra.attr,
1ba36e11 280 &atkbd_attr_force_release.attr,
86255d9d
DT		 281 &atkbd_attr_scroll.attr,
282 &atkbd_attr_set.attr,
283 &atkbd_attr_softrepeat.attr,
284 &atkbd_attr_softraw.attr,
285 &atkbd_attr_err_count.attr,
286 NULL
287};
288
289static struct attribute_group atkbd_attribute_group = {
290 .attrs = atkbd_attributes,
291};
292
0ae051a1
DT		 293static const unsigned int xl_table[] = {
294 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
295 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
296};
1da177e4 297
0ae051a1
DT		 298/*
299 * Checks if we should mangle the scancode to extract 'release' bit
300 * in translated mode.
301 */
302static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
1da177e4 303{
0ae051a1
DT		 304 int i;
305
306 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
307 return 0;
308
309 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
310 if (code == xl_table[i])
311 return test_bit(i, &xl_bit);
312
313 return 1;
314}
315
316/*
317 * Calculates new value of xl_bit so the driver can distinguish
318 * between make/break pair of scancodes for select keys and PS/2
319 * protocol responses.
320 */
321static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
322{
323 int i;
324
325 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
326 if (!((code ^ xl_table[i]) & 0x7f)) {
327 if (code & 0x80)
328 __clear_bit(i, &atkbd->xl_bit);
329 else
330 __set_bit(i, &atkbd->xl_bit);
331 break;
332 }
333 }
334}
335
336/*
337 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
338 * keeping kernel 2.4 compatibility for set 2
339 */
340static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
341{
342 if (atkbd->set == 3) {
343 if (atkbd->emul == 1)
344 code |= 0x100;
345 } else {
346 code = (code & 0x7f) | ((code & 0x80) << 1);
347 if (atkbd->emul == 1)
348 code |= 0x80;
349 }
350
351 return code;
1da177e4
LT		 352}
353
354/*
355 * atkbd_interrupt(). Here takes place processing of data received from
356 * the keyboard into events.
357 */
358
359static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
7d12e780 360 unsigned int flags)
1da177e4
LT		 361{
362 struct atkbd *atkbd = serio_get_drvdata(serio);
0ae051a1 363 struct input_dev *dev = atkbd->dev;
1da177e4 364 unsigned int code = data;
554101e3 365 int scroll = 0, hscroll = 0, click = -1;
1da177e4 366 int value;
f6d65610 367 unsigned short keycode;
1da177e4
LT		 368
369#ifdef ATKBD_DEBUG
370 printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
371#endif
372
373#if !defined(__i386__) && !defined (__x86_64__)
374 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
375 printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
376 serio_write(serio, ATKBD_CMD_RESEND);
377 atkbd->resend = 1;
378 goto out;
379 }
380
381 if (!flags && data == ATKBD_RET_ACK)
382 atkbd->resend = 0;
383#endif
384
385 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
386 if (ps2_handle_ack(&atkbd->ps2dev, data))
387 goto out;
388
389 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
390 if (ps2_handle_response(&atkbd->ps2dev, data))
391 goto out;
392
393 if (!atkbd->enabled)
394 goto out;
395
0ae051a1 396 input_event(dev, EV_MSC, MSC_RAW, code);
1da177e4 397
e5713069
JL		 398 if (atkbd_platform_scancode_fixup)
399 code = atkbd_platform_scancode_fixup(atkbd, code);
400
1da177e4
LT		 401 if (atkbd->translated) {
402
0ae051a1 403 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
1da177e4
LT		 404 atkbd->release = code >> 7;
405 code &= 0x7f;
406 }
407
0ae051a1
DT		 408 if (!atkbd->emul)
409 atkbd_calculate_xl_bit(atkbd, data);
1da177e4
LT		 410 }
411
412 switch (code) {
413 case ATKBD_RET_BAT:
414 atkbd->enabled = 0;
dbc26344 415 serio_reconnect(atkbd->ps2dev.serio);
1da177e4
LT		 416 goto out;
417 case ATKBD_RET_EMUL0:
418 atkbd->emul = 1;
419 goto out;
420 case ATKBD_RET_EMUL1:
421 atkbd->emul = 2;
422 goto out;
423 case ATKBD_RET_RELEASE:
424 atkbd->release = 1;
425 goto out;
0ae051a1
DT		 426 case ATKBD_RET_ACK:
427 case ATKBD_RET_NAK:
9f7a60d6
QY		 428 if (printk_ratelimit())
429 printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
430 "Some program might be trying access hardware directly.\n",
431 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
1da177e4 432 goto out;
1da177e4 433 case ATKBD_RET_ERR:
86255d9d
DT		 434 atkbd->err_count++;
435#ifdef ATKBD_DEBUG
1da177e4 436 printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
86255d9d 437#endif
1da177e4
LT		 438 goto out;
439 }
440
0ae051a1
DT		 441 code = atkbd_compat_scancode(atkbd, code);
442
443 if (atkbd->emul && --atkbd->emul)
444 goto out;
445
446 keycode = atkbd->keycode[code];
1da177e4 447
0ae051a1
DT		 448 if (keycode != ATKBD_KEY_NULL)
449 input_event(dev, EV_MSC, MSC_SCAN, code);
1da177e4 450
0ae051a1 451 switch (keycode) {
1da177e4
LT		 452 case ATKBD_KEY_NULL:
453 break;
454 case ATKBD_KEY_UNKNOWN:
0ae051a1
DT		 455 printk(KERN_WARNING
456 "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
457 atkbd->release ? "released" : "pressed",
458 atkbd->translated ? "translated" : "raw",
459 atkbd->set, code, serio->phys);
460 printk(KERN_WARNING
461 "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
462 code & 0x80 ? "e0" : "", code & 0x7f);
463 input_sync(dev);
1da177e4
LT		 464 break;
465 case ATKBD_SCR_1:
466 scroll = 1 - atkbd->release * 2;
467 break;
468 case ATKBD_SCR_2:
469 scroll = 2 - atkbd->release * 4;
470 break;
471 case ATKBD_SCR_4:
472 scroll = 4 - atkbd->release * 8;
473 break;
474 case ATKBD_SCR_8:
475 scroll = 8 - atkbd->release * 16;
476 break;
477 case ATKBD_SCR_CLICK:
478 click = !atkbd->release;
479 break;
480 case ATKBD_SCR_LEFT:
481 hscroll = -1;
482 break;
483 case ATKBD_SCR_RIGHT:
484 hscroll = 1;
485 break;
486 default:
0ae051a1
DT		 487 if (atkbd->release) {
488 value = 0;
489 atkbd->last = 0;
490 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
491 /* Workaround Toshiba laptop multiple keypress */
492 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
493 } else {
494 value = 1;
495 atkbd->last = code;
496 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
1da177e4
LT		 497 }
498
f8b4c46c 499 input_event(dev, EV_KEY, keycode, value);
0ae051a1
DT		 500 input_sync(dev);
501
554101e3 502 if (value && test_bit(code, atkbd->force_release_mask)) {
0ae051a1
DT		 503 input_report_key(dev, keycode, 0);
504 input_sync(dev);
505 }
1da177e4
LT		 506 }
507
508 if (atkbd->scroll) {
1da177e4 509 if (click != -1)
0ae051a1
DT		 510 input_report_key(dev, BTN_MIDDLE, click);
511 input_report_rel(dev, REL_WHEEL, scroll);
512 input_report_rel(dev, REL_HWHEEL, hscroll);
513 input_sync(dev);
1da177e4
LT		 514 }
515
516 atkbd->release = 0;
517out:
518 return IRQ_HANDLED;
519}
520
3d0f0fa0 521static int atkbd_set_repeat_rate(struct atkbd *atkbd)
1da177e4 522{
1da177e4
LT		 523 const short period[32] =
524 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
525 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
526 const short delay[4] =
527 { 250, 500, 750, 1000 };
0d4c8597 528
3d0f0fa0
DT		 529 struct input_dev *dev = atkbd->dev;
530 unsigned char param;
531 int i = 0, j = 0;
532
533 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
534 i++;
535 dev->rep[REP_PERIOD] = period[i];
536
8ea371fb 537 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
3d0f0fa0
DT		 538 j++;
539 dev->rep[REP_DELAY] = delay[j];
540
541 param = i | (j << 5);
542 return ps2_command(&atkbd->ps2dev, &param, ATKBD_CMD_SETREP);
543}
544
545static int atkbd_set_leds(struct atkbd *atkbd)
546{
0d4c8597 547 struct input_dev *dev = atkbd->dev;
1da177e4 548 unsigned char param[2];
1da177e4 549
3d0f0fa0
DT		 550 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
551 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
552 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
553 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
554 return -1;
0d4c8597 555
3d0f0fa0
DT		 556 if (atkbd->extra) {
557 param[0] = 0;
558 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
559 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
560 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
561 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
562 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
563 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
564 return -1;
0d4c8597
DT		 565 }
566
3d0f0fa0
DT		 567 return 0;
568}
569
570/*
571 * atkbd_event_work() is used to complete processing of events that
572 * can not be processed by input_event() which is often called from
573 * interrupt context.
574 */
575
65f27f38 576static void atkbd_event_work(struct work_struct *work)
3d0f0fa0 577{
da4249c9 578 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
3d0f0fa0
DT		 579
580 mutex_lock(&atkbd->event_mutex);
581
94dfb0d6
DT		 582 if (!atkbd->enabled) {
583 /*
584 * Serio ports are resumed asynchronously so while driver core
585 * thinks that device is already fully operational in reality
586 * it may not be ready yet. In this case we need to keep
587 * rescheduling till reconnect completes.
588 */
589 schedule_delayed_work(&atkbd->event_work,
590 msecs_to_jiffies(100));
591 } else {
592 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
593 atkbd_set_leds(atkbd);
594
595 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
596 atkbd_set_repeat_rate(atkbd);
597 }
0d4c8597 598
33d3f07a 599 mutex_unlock(&atkbd->event_mutex);
0d4c8597
DT		 600}
601
da4249c9
DT		 602/*
603 * Schedule switch for execution. We need to throttle requests,
604 * otherwise keyboard may become unresponsive.
605 */
606static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
607{
608 unsigned long delay = msecs_to_jiffies(50);
609
610 if (time_after(jiffies, atkbd->event_jiffies + delay))
611 delay = 0;
612
613 atkbd->event_jiffies = jiffies;
614 set_bit(event_bit, &atkbd->event_mask);
615 wmb();
616 schedule_delayed_work(&atkbd->event_work, delay);
617}
618
0d4c8597
DT		 619/*
620 * Event callback from the input module. Events that change the state of
621 * the hardware are processed here. If action can not be performed in
622 * interrupt context it is offloaded to atkbd_event_work.
623 */
624
da4249c9
DT		 625static int atkbd_event(struct input_dev *dev,
626 unsigned int type, unsigned int code, int value)
0d4c8597 627{
b356872f 628 struct atkbd *atkbd = input_get_drvdata(dev);
0d4c8597 629
1da177e4
LT		 630 if (!atkbd->write)
631 return -1;
632
633 switch (type) {
634
635 case EV_LED:
da4249c9 636 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
1da177e4
LT		 637 return 0;
638
1da177e4 639 case EV_REP:
da4249c9
DT		 640 if (!atkbd->softrepeat)
641 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
1da177e4
LT		 642 return 0;
643 }
644
645 return -1;
646}
647
648/*
649 * atkbd_enable() signals that interrupt handler is allowed to
650 * generate input events.
651 */
652
653static inline void atkbd_enable(struct atkbd *atkbd)
654{
655 serio_pause_rx(atkbd->ps2dev.serio);
656 atkbd->enabled = 1;
657 serio_continue_rx(atkbd->ps2dev.serio);
658}
659
660/*
661 * atkbd_disable() tells input handler that all incoming data except
662 * for ACKs and command response should be dropped.
663 */
664
665static inline void atkbd_disable(struct atkbd *atkbd)
666{
667 serio_pause_rx(atkbd->ps2dev.serio);
668 atkbd->enabled = 0;
669 serio_continue_rx(atkbd->ps2dev.serio);
670}
671
672/*
673 * atkbd_probe() probes for an AT keyboard on a serio port.
674 */
675
676static int atkbd_probe(struct atkbd *atkbd)
677{
678 struct ps2dev *ps2dev = &atkbd->ps2dev;
679 unsigned char param[2];
680
681/*
682 * Some systems, where the bit-twiddling when testing the io-lines of the
683 * controller may confuse the keyboard need a full reset of the keyboard. On
684 * these systems the BIOS also usually doesn't do it for us.
685 */
686
687 if (atkbd_reset)
688 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
689 printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
690
691/*
692 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
693 * Some keyboards report different values, but the first byte is always 0xab or
694 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
695 * should make sure we don't try to set the LEDs on it.
696 */
697
698 param[0] = param[1] = 0xa5; /* initialize with invalid values */
699 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
700
701/*
702 * If the get ID command failed, we check if we can at least set the LEDs on
703 * the keyboard. This should work on every keyboard out there. It also turns
704 * the LEDs off, which we want anyway.
705 */
706 param[0] = 0;
707 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
708 return -1;
709 atkbd->id = 0xabba;
710 return 0;
711 }
712
9807879b 713 if (!ps2_is_keyboard_id(param[0]))
1da177e4
LT		 714 return -1;
715
716 atkbd->id = (param[0] << 8) | param[1];
717
718 if (atkbd->id == 0xaca1 && atkbd->translated) {
719 printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
720 printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
721 return -1;
722 }
723
724 return 0;
725}
726
727/*
728 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
729 * sets it into that. Unfortunately there are keyboards that can be switched
730 * to Set 3, but don't work well in that (BTC Multimedia ...)
731 */
732
733static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
734{
735 struct ps2dev *ps2dev = &atkbd->ps2dev;
736 unsigned char param[2];
737
738 atkbd->extra = 0;
739/*
740 * For known special keyboards we can go ahead and set the correct set.
741 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
742 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
743 */
744
745 if (atkbd->translated)
746 return 2;
747
748 if (atkbd->id == 0xaca1) {
749 param[0] = 3;
750 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
751 return 3;
752 }
753
754 if (allow_extra) {
755 param[0] = 0x71;
756 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
757 atkbd->extra = 1;
758 return 2;
759 }
760 }
761
762 if (target_set != 3)
763 return 2;
764
765 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
766 atkbd->id = param[0] << 8 | param[1];
767 return 2;
768 }
769
770 param[0] = 3;
771 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
772 return 2;
773
774 param[0] = 0;
775 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
776 return 2;
777
778 if (param[0] != 3) {
779 param[0] = 2;
780 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
781 return 2;
782 }
783
784 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
785
786 return 3;
787}
788
fc0eb28c
DT		 789static int atkbd_reset_state(struct atkbd *atkbd)
790{
791 struct ps2dev *ps2dev = &atkbd->ps2dev;
792 unsigned char param[1];
793
794/*
795 * Set the LEDs to a predefined state (all off).
796 */
797
798 param[0] = 0;
799 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
800 return -1;
801
802/*
803 * Set autorepeat to fastest possible.
804 */
805
806 param[0] = 0;
807 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
808 return -1;
809
810 return 0;
811}
812
1da177e4
LT		 813static int atkbd_activate(struct atkbd *atkbd)
814{
815 struct ps2dev *ps2dev = &atkbd->ps2dev;
1da177e4
LT		 816
817/*
818 * Enable the keyboard to receive keystrokes.
819 */
820
821 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
822 printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
823 ps2dev->serio->phys);
824 return -1;
825 }
826
827 return 0;
828}
829
830/*
831 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
832 * reboot.
833 */
834
835static void atkbd_cleanup(struct serio *serio)
836{
837 struct atkbd *atkbd = serio_get_drvdata(serio);
57f5b159
DT		 838
839 atkbd_disable(atkbd);
4a299bf5 840 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
1da177e4
LT		 841}
842
843
844/*
845 * atkbd_disconnect() closes and frees.
846 */
847
848static void atkbd_disconnect(struct serio *serio)
849{
850 struct atkbd *atkbd = serio_get_drvdata(serio);
851
852 atkbd_disable(atkbd);
853
854 /* make sure we don't have a command in flight */
d6d79a78 855 cancel_delayed_work_sync(&atkbd->event_work);
1da177e4 856
86255d9d 857 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
3c42f0c3 858 input_unregister_device(atkbd->dev);
1da177e4
LT		 859 serio_close(serio);
860 serio_set_drvdata(serio, NULL);
861 kfree(atkbd);
862}
863
554101e3 864/*
39191698 865 * generate release events for the keycodes given in data
554101e3 866 */
39191698
DM		 867static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
868 const void *data)
554101e3 869{
39191698
DM		 870 const unsigned int *keys = data;
871 unsigned int i;
554101e3
GN		 872
873 if (atkbd->set == 2)
39191698
DM		 874 for (i = 0; keys[i] != -1U; i++)
875 __set_bit(keys[i], atkbd->force_release_mask);
554101e3 876}
1da177e4 877
39191698
DM		 878/*
879 * Most special keys (Fn+F?) on Dell laptops do not generate release
880 * events so we have to do it ourselves.
881 */
882static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
883 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
884};
885
5a54c011
JK		 886/*
887 * Perform fixup for HP system that doesn't generate release
888 * for its video switch
889 */
39191698
DM		 890static unsigned int atkbd_hp_forced_release_keys[] = {
891 0x94, -1U
892};
5a54c011 893
4200844b 894/*
e04126c7 895 * Samsung NC10,NC20 with Fn+F? key release not working
4200844b 896 */
39191698
DM		 897static unsigned int atkbd_samsung_forced_release_keys[] = {
898 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
899};
4200844b 900
f0a14de2
SD		 901/*
902 * Amilo Pi 3525 key release for Fn+Volume keys not working
903 */
904static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
905 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
906};
907
9166d0f6
AB		 908/*
909 * Amilo Xi 3650 key release for light touch bar not working
910 */
911static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
912 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
913};
914
032e46cb
JY		 915/*
916 * Soltech TA12 system with broken key release on volume keys and mute key
917 */
918static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
919 0xa0, 0xae, 0xb0, -1U
920};
921
000c2a35
HRK		 922/*
923 * Many notebooks don't send key release event for volume up/down
924 * keys, with key list below common among them
925 */
926static unsigned int atkbd_volume_forced_release_keys[] = {
927 0xae, 0xb0, -1U
928};
929
e5713069
JL		 930/*
931 * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
932 * they should be generating e4-e6 (0x80 | code).
933 */
934static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
935 unsigned int code)
936{
937 if (atkbd->translated && atkbd->emul == 1 &&
938 (code == 0x64 || code == 0x65 || code == 0x66)) {
939 atkbd->emul = 0;
940 code |= 0x80;
941 }
942
943 return code;
944}
945
1da177e4 946/*
3c42f0c3 947 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT		 948 * according to the selected scancode set
949 */
950
951static void atkbd_set_keycode_table(struct atkbd *atkbd)
952{
554101e3 953 unsigned int scancode;
1da177e4
LT		 954 int i, j;
955
956 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1ba36e11 957 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT		 958
959 if (atkbd->translated) {
960 for (i = 0; i < 128; i++) {
554101e3
GN		 961 scancode = atkbd_unxlate_table[i];
962 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
963 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT		 964 if (atkbd->scroll)
965 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 966 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT		 967 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
968 }
969 } else if (atkbd->set == 3) {
970 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
971 } else {
972 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
973
974 if (atkbd->scroll)
554101e3
GN		 975 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
976 scancode = atkbd_scroll_keys[i].set2;
977 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
978 }
1da177e4 979 }
0ae051a1 980
554101e3
GN		 981/*
982 * HANGEUL and HANJA keys do not send release events so we need to
983 * generate such events ourselves
984 */
985 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
986 atkbd->keycode[scancode] = KEY_HANGEUL;
987 __set_bit(scancode, atkbd->force_release_mask);
988
989 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
990 atkbd->keycode[scancode] = KEY_HANJA;
991 __set_bit(scancode, atkbd->force_release_mask);
992
993/*
994 * Perform additional fixups
995 */
996 if (atkbd_platform_fixup)
39191698 997 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT		 998}
999
1000/*
1001 * atkbd_set_device_attrs() sets up keyboard's input device structure
1002 */
1003
1004static void atkbd_set_device_attrs(struct atkbd *atkbd)
1005{
3c42f0c3 1006 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT		 1007 int i;
1008
3c42f0c3 1009 if (atkbd->extra)
ea08c6fa
DT		 1010 snprintf(atkbd->name, sizeof(atkbd->name),
1011 "AT Set 2 Extra keyboard");
3c42f0c3 1012 else
ea08c6fa
DT		 1013 snprintf(atkbd->name, sizeof(atkbd->name),
1014 "AT %s Set %d keyboard",
1015 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 1016
ea08c6fa
DT		 1017 snprintf(atkbd->phys, sizeof(atkbd->phys),
1018 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 1019
3c42f0c3
DT		 1020 input_dev->name = atkbd->name;
1021 input_dev->phys = atkbd->phys;
1022 input_dev->id.bustype = BUS_I8042;
1023 input_dev->id.vendor = 0x0001;
1024 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1025 input_dev->id.version = atkbd->id;
1026 input_dev->event = atkbd_event;
469ba4df 1027 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 1028
b356872f
DT		 1029 input_set_drvdata(input_dev, atkbd);
1030
7b19ada2
JS		 1031 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1032 BIT_MASK(EV_MSC);
1da177e4
LT		 1033
1034 if (atkbd->write) {
7b19ada2
JS		 1035 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1036 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1037 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT		 1038 }
1039
1040 if (atkbd->extra)
7b19ada2
JS		 1041 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1042 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1043 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT		 1044
1045 if (!atkbd->softrepeat) {
3c42f0c3
DT		 1046 input_dev->rep[REP_DELAY] = 250;
1047 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT		 1048 }
1049
7b19ada2
JS		 1050 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1051 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT		 1052
1053 if (atkbd->scroll) {
7b19ada2
JS		 1054 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1055 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1056 BIT_MASK(REL_HWHEEL);
f6d65610 1057 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT		 1058 }
1059
3c42f0c3 1060 input_dev->keycode = atkbd->keycode;
f6d65610 1061 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1062 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4 1063
1ba36e11 1064 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++)
1da177e4 1065 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
f6d65610 1066 __set_bit(atkbd->keycode[i], input_dev->keybit);
1da177e4
LT		 1067}
1068
1069/*
1070 * atkbd_connect() is called when the serio module finds an interface
1071 * that isn't handled yet by an appropriate device driver. We check if
1072 * there is an AT keyboard out there and if yes, we register ourselves
1073 * to the input module.
1074 */
1075
1076static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1077{
1078 struct atkbd *atkbd;
3c42f0c3
DT		 1079 struct input_dev *dev;
1080 int err = -ENOMEM;
1da177e4 1081
3c42f0c3
DT		 1082 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1083 dev = input_allocate_device();
1084 if (!atkbd || !dev)
2b03b60e 1085 goto fail1;
1da177e4 1086
3c42f0c3 1087 atkbd->dev = dev;
1da177e4 1088 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1089 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
33d3f07a 1090 mutex_init(&atkbd->event_mutex);
1da177e4
LT		 1091
1092 switch (serio->id.type) {
1093
1094 case SERIO_8042_XL:
1095 atkbd->translated = 1;
1096 case SERIO_8042:
1097 if (serio->write)
1098 atkbd->write = 1;
1099 break;
1100 }
1101
1102 atkbd->softraw = atkbd_softraw;
1103 atkbd->softrepeat = atkbd_softrepeat;
1104 atkbd->scroll = atkbd_scroll;
1105
1da177e4
LT		 1106 if (atkbd->softrepeat)
1107 atkbd->softraw = 1;
1108
1109 serio_set_drvdata(serio, atkbd);
1110
1111 err = serio_open(serio, drv);
3c42f0c3 1112 if (err)
2b03b60e 1113 goto fail2;
1da177e4
LT		 1114
1115 if (atkbd->write) {
1116
1117 if (atkbd_probe(atkbd)) {
3c42f0c3 1118 err = -ENODEV;
2b03b60e 1119 goto fail3;
1da177e4
LT		 1120 }
1121
1122 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
fc0eb28c 1123 atkbd_reset_state(atkbd);
1da177e4
LT		 1124 atkbd_activate(atkbd);
1125
1126 } else {
1127 atkbd->set = 2;
1128 atkbd->id = 0xab00;
1129 }
1130
1da177e4
LT		 1131 atkbd_set_keycode_table(atkbd);
1132 atkbd_set_device_attrs(atkbd);
1133
2b03b60e
DT		 1134 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1135 if (err)
1136 goto fail3;
1da177e4
LT		 1137
1138 atkbd_enable(atkbd);
1139
2b03b60e
DT		 1140 err = input_register_device(atkbd->dev);
1141 if (err)
1142 goto fail4;
1da177e4
LT		 1143
1144 return 0;
3c42f0c3 1145
2b03b60e
DT		 1146 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1147 fail3: serio_close(serio);
1148 fail2: serio_set_drvdata(serio, NULL);
1149 fail1: input_free_device(dev);
3c42f0c3
DT		 1150 kfree(atkbd);
1151 return err;
1da177e4
LT		 1152}
1153
1154/*
1155 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1156 * most likely called on resume.
1157 */
1158
1159static int atkbd_reconnect(struct serio *serio)
1160{
1161 struct atkbd *atkbd = serio_get_drvdata(serio);
1162 struct serio_driver *drv = serio->drv;
1da177e4
LT		 1163
1164 if (!atkbd || !drv) {
1165 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1166 return -1;
1167 }
1168
1169 atkbd_disable(atkbd);
1170
1171 if (atkbd->write) {
1da177e4
LT		 1172 if (atkbd_probe(atkbd))
1173 return -1;
1174 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1175 return -1;
1176
1177 atkbd_activate(atkbd);
d4119bda
DT		 1178
1179 /*
1180 * Restore LED state and repeat rate. While input core
1181 * will do this for us at resume time reconnect may happen
1182 * because user requested it via sysfs or simply because
1183 * keyboard was unplugged and plugged in again so we need
1184 * to do it ourselves here.
1185 */
1186 atkbd_set_leds(atkbd);
1187 if (!atkbd->softrepeat)
1188 atkbd_set_repeat_rate(atkbd);
1189
1da177e4
LT		 1190 }
1191
1192 atkbd_enable(atkbd);
1193
1194 return 0;
1195}
1196
1197static struct serio_device_id atkbd_serio_ids[] = {
1198 {
1199 .type = SERIO_8042,
1200 .proto = SERIO_ANY,
1201 .id = SERIO_ANY,
1202 .extra = SERIO_ANY,
1203 },
1204 {
1205 .type = SERIO_8042_XL,
1206 .proto = SERIO_ANY,
1207 .id = SERIO_ANY,
1208 .extra = SERIO_ANY,
1209 },
1210 {
1211 .type = SERIO_RS232,
1212 .proto = SERIO_PS2SER,
1213 .id = SERIO_ANY,
1214 .extra = SERIO_ANY,
1215 },
1216 { 0 }
1217};
1218
1219MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1220
1221static struct serio_driver atkbd_drv = {
1222 .driver = {
1223 .name = "atkbd",
1224 },
1225 .description = DRIVER_DESC,
1226 .id_table = atkbd_serio_ids,
1227 .interrupt = atkbd_interrupt,
1228 .connect = atkbd_connect,
1229 .reconnect = atkbd_reconnect,
1230 .disconnect = atkbd_disconnect,
1231 .cleanup = atkbd_cleanup,
1232};
1233
1234static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1235 ssize_t (*handler)(struct atkbd *, char *))
1236{
1237 struct serio *serio = to_serio_port(dev);
1238 int retval;
1239
1240 retval = serio_pin_driver(serio);
1241 if (retval)
1242 return retval;
1243
1244 if (serio->drv != &atkbd_drv) {
1245 retval = -ENODEV;
1246 goto out;
1247 }
1248
1249 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1250
1251out:
1252 serio_unpin_driver(serio);
1253 return retval;
1254}
1255
1256static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1257 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1258{
1259 struct serio *serio = to_serio_port(dev);
1260 struct atkbd *atkbd;
1261 int retval;
1262
1263 retval = serio_pin_driver(serio);
1264 if (retval)
1265 return retval;
1266
1267 if (serio->drv != &atkbd_drv) {
1268 retval = -ENODEV;
1269 goto out;
1270 }
1271
1272 atkbd = serio_get_drvdata(serio);
1273 atkbd_disable(atkbd);
1274 retval = handler(atkbd, buf, count);
1275 atkbd_enable(atkbd);
1276
1277out:
1278 serio_unpin_driver(serio);
1279 return retval;
1280}
1281
1282static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1283{
1284 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1285}
1286
1287static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1288{
2b03b60e 1289 struct input_dev *old_dev, *new_dev;
1da177e4 1290 unsigned long value;
2b03b60e
DT		 1291 int err;
1292 unsigned char old_extra, old_set;
1da177e4
LT		 1293
1294 if (!atkbd->write)
1295 return -EIO;
1296
160f1fef 1297 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1298 return -EINVAL;
1299
1300 if (atkbd->extra != value) {
3c42f0c3
DT		 1301 /*
1302 * Since device's properties will change we need to
2b03b60e
DT		 1303 * unregister old device. But allocate and register
1304 * new one first to make sure we have it.
3c42f0c3 1305 */
2b03b60e
DT		 1306 old_dev = atkbd->dev;
1307 old_extra = atkbd->extra;
1308 old_set = atkbd->set;
1309
1310 new_dev = input_allocate_device();
1311 if (!new_dev)
3c42f0c3 1312 return -ENOMEM;
2b03b60e 1313
3c42f0c3 1314 atkbd->dev = new_dev;
1da177e4 1315 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
fc0eb28c 1316 atkbd_reset_state(atkbd);
1da177e4 1317 atkbd_activate(atkbd);
2b03b60e 1318 atkbd_set_keycode_table(atkbd);
1da177e4 1319 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1320
1321 err = input_register_device(atkbd->dev);
1322 if (err) {
1323 input_free_device(new_dev);
1324
1325 atkbd->dev = old_dev;
1326 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1327 atkbd_set_keycode_table(atkbd);
1328 atkbd_set_device_attrs(atkbd);
1329
1330 return err;
1331 }
1332 input_unregister_device(old_dev);
1333
1da177e4
LT		 1334 }
1335 return count;
1336}
1337
1ba36e11
DT		 1338static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1339{
1340 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1341 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1342
1343 buf[len++] = '\n';
1344 buf[len] = '\0';
1345
1346 return len;
1347}
1348
1349static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1350 const char *buf, size_t count)
1351{
1352 /* 64 bytes on stack should be acceptable */
1353 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1354 int err;
1355
1356 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1357 if (err)
1358 return err;
1359
1360 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1361 return count;
1362}
1363
1364
1da177e4
LT		 1365static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1366{
1367 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1368}
1369
1370static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1371{
2b03b60e 1372 struct input_dev *old_dev, *new_dev;
1da177e4 1373 unsigned long value;
2b03b60e
DT		 1374 int err;
1375 unsigned char old_scroll;
1da177e4 1376
160f1fef 1377 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1378 return -EINVAL;
1379
1380 if (atkbd->scroll != value) {
2b03b60e
DT		 1381 old_dev = atkbd->dev;
1382 old_scroll = atkbd->scroll;
1383
1384 new_dev = input_allocate_device();
1385 if (!new_dev)
3c42f0c3 1386 return -ENOMEM;
2b03b60e 1387
3c42f0c3 1388 atkbd->dev = new_dev;
1da177e4
LT		 1389 atkbd->scroll = value;
1390 atkbd_set_keycode_table(atkbd);
1391 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1392
1393 err = input_register_device(atkbd->dev);
1394 if (err) {
1395 input_free_device(new_dev);
1396
1397 atkbd->scroll = old_scroll;
1398 atkbd->dev = old_dev;
1399 atkbd_set_keycode_table(atkbd);
1400 atkbd_set_device_attrs(atkbd);
1401
1402 return err;
1403 }
1404 input_unregister_device(old_dev);
1da177e4
LT		 1405 }
1406 return count;
1407}
1408
1409static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1410{
1411 return sprintf(buf, "%d\n", atkbd->set);
1412}
1413
1414static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1415{
2b03b60e 1416 struct input_dev *old_dev, *new_dev;
1da177e4 1417 unsigned long value;
2b03b60e
DT		 1418 int err;
1419 unsigned char old_set, old_extra;
1da177e4
LT		 1420
1421 if (!atkbd->write)
1422 return -EIO;
1423
160f1fef 1424 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1da177e4
LT		 1425 return -EINVAL;
1426
1427 if (atkbd->set != value) {
2b03b60e
DT		 1428 old_dev = atkbd->dev;
1429 old_extra = atkbd->extra;
1430 old_set = atkbd->set;
1431
1432 new_dev = input_allocate_device();
1433 if (!new_dev)
3c42f0c3 1434 return -ENOMEM;
2b03b60e 1435
3c42f0c3 1436 atkbd->dev = new_dev;
1da177e4 1437 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
d4119bda 1438 atkbd_reset_state(atkbd);
1da177e4
LT		 1439 atkbd_activate(atkbd);
1440 atkbd_set_keycode_table(atkbd);
1441 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1442
1443 err = input_register_device(atkbd->dev);
1444 if (err) {
1445 input_free_device(new_dev);
1446
1447 atkbd->dev = old_dev;
1448 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1449 atkbd_set_keycode_table(atkbd);
1450 atkbd_set_device_attrs(atkbd);
1451
1452 return err;
1453 }
1454 input_unregister_device(old_dev);
1da177e4
LT		 1455 }
1456 return count;
1457}
1458
1459static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1460{
1461 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1462}
1463
1464static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1465{
2b03b60e 1466 struct input_dev *old_dev, *new_dev;
1da177e4 1467 unsigned long value;
2b03b60e
DT		 1468 int err;
1469 unsigned char old_softrepeat, old_softraw;
1da177e4
LT		 1470
1471 if (!atkbd->write)
1472 return -EIO;
1473
160f1fef 1474 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1475 return -EINVAL;
1476
1477 if (atkbd->softrepeat != value) {
2b03b60e
DT		 1478 old_dev = atkbd->dev;
1479 old_softrepeat = atkbd->softrepeat;
1480 old_softraw = atkbd->softraw;
1481
1482 new_dev = input_allocate_device();
1483 if (!new_dev)
3c42f0c3 1484 return -ENOMEM;
2b03b60e 1485
3c42f0c3 1486 atkbd->dev = new_dev;
1da177e4
LT		 1487 atkbd->softrepeat = value;
1488 if (atkbd->softrepeat)
1489 atkbd->softraw = 1;
1490 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1491
1492 err = input_register_device(atkbd->dev);
1493 if (err) {
1494 input_free_device(new_dev);
1495
1496 atkbd->dev = old_dev;
1497 atkbd->softrepeat = old_softrepeat;
1498 atkbd->softraw = old_softraw;
1499 atkbd_set_device_attrs(atkbd);
1500
1501 return err;
1502 }
1503 input_unregister_device(old_dev);
1da177e4 1504 }
1da177e4
LT		 1505 return count;
1506}
1507
1508
1509static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1510{
1511 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1512}
1513
1514static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1515{
2b03b60e 1516 struct input_dev *old_dev, *new_dev;
1da177e4 1517 unsigned long value;
2b03b60e
DT		 1518 int err;
1519 unsigned char old_softraw;
1da177e4 1520
160f1fef 1521 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT		 1522 return -EINVAL;
1523
1524 if (atkbd->softraw != value) {
2b03b60e
DT		 1525 old_dev = atkbd->dev;
1526 old_softraw = atkbd->softraw;
1527
1528 new_dev = input_allocate_device();
1529 if (!new_dev)
3c42f0c3 1530 return -ENOMEM;
2b03b60e 1531
3c42f0c3 1532 atkbd->dev = new_dev;
1da177e4
LT		 1533 atkbd->softraw = value;
1534 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1535
1536 err = input_register_device(atkbd->dev);
1537 if (err) {
1538 input_free_device(new_dev);
1539
1540 atkbd->dev = old_dev;
1541 atkbd->softraw = old_softraw;
1542 atkbd_set_device_attrs(atkbd);
1543
1544 return err;
1545 }
1546 input_unregister_device(old_dev);
1da177e4
LT		 1547 }
1548 return count;
1549}
1550
86255d9d
DT		 1551static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1552{
1553 return sprintf(buf, "%lu\n", atkbd->err_count);
1554}
1555
39191698 1556static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1557{
39191698
DM		 1558 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1559 atkbd_platform_fixup_data = id->driver_data;
1560
554101e3
GN		 1561 return 0;
1562}
1563
e5713069
JL		 1564static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
1565{
1566 atkbd_platform_scancode_fixup = id->driver_data;
1567
1568 return 0;
1569}
1570
c45fc81e 1571static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
554101e3 1572 {
554101e3
GN		 1573 .matches = {
1574 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1575 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1576 },
39191698
DM		 1577 .callback = atkbd_setup_forced_release,
1578 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1579 },
2a3ec326 1580 {
2a3ec326
MG		 1581 .matches = {
1582 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1583 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1584 },
39191698
DM		 1585 .callback = atkbd_setup_forced_release,
1586 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1587 },
5a54c011 1588 {
5a54c011
JK		 1589 .matches = {
1590 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1591 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1592 },
39191698
DM		 1593 .callback = atkbd_setup_forced_release,
1594 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1595 },
181f6382 1596 {
181f6382
RL		 1597 .matches = {
1598 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1599 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1600 },
39191698 1601 .callback = atkbd_setup_forced_release,
000c2a35 1602 .driver_data = atkbd_volume_forced_release_keys,
181f6382 1603 },
2bcaa6a4 1604 {
2bcaa6a4
DA		 1605 .matches = {
1606 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1607 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1608 },
1609 .callback = atkbd_setup_forced_release,
000c2a35 1610 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA		 1611 },
1612 {
2bcaa6a4
DA		 1613 .matches = {
1614 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1615 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1616 },
1617 .callback = atkbd_setup_forced_release,
000c2a35 1618 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA		 1619 },
1620 {
2bcaa6a4
DA		 1621 .matches = {
1622 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1623 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1624 },
1625 .callback = atkbd_setup_forced_release,
000c2a35 1626 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4 1627 },
a8215b81 1628 {
c45fc81e 1629 /* Inventec Symphony */
a8215b81
MG		 1630 .matches = {
1631 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1632 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1633 },
39191698 1634 .callback = atkbd_setup_forced_release,
000c2a35 1635 .driver_data = atkbd_volume_forced_release_keys,
a8215b81 1636 },
4200844b 1637 {
c45fc81e 1638 /* Samsung NC10 */
4200844b
SH		 1639 .matches = {
1640 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1641 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1642 },
39191698
DM		 1643 .callback = atkbd_setup_forced_release,
1644 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1645 },
e04126c7 1646 {
c45fc81e 1647 /* Samsung NC20 */
e04126c7
BC		 1648 .matches = {
1649 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1650 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1651 },
1652 .callback = atkbd_setup_forced_release,
1653 .driver_data = atkbd_samsung_forced_release_keys,
1654 },
157f3a3e 1655 {
c45fc81e 1656 /* Samsung SQ45S70S */
157f3a3e
DT		 1657 .matches = {
1658 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1659 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1660 },
1661 .callback = atkbd_setup_forced_release,
1662 .driver_data = atkbd_samsung_forced_release_keys,
1663 },
adcb523e 1664 {
c45fc81e 1665 /* Fujitsu Amilo PA 1510 */
adcb523e
DM		 1666 .matches = {
1667 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1668 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1669 },
1670 .callback = atkbd_setup_forced_release,
000c2a35 1671 .driver_data = atkbd_volume_forced_release_keys,
adcb523e 1672 },
f0a14de2 1673 {
c45fc81e 1674 /* Fujitsu Amilo Pi 3525 */
f0a14de2
SD		 1675 .matches = {
1676 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1677 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1678 },
1679 .callback = atkbd_setup_forced_release,
1680 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1681 },
9166d0f6 1682 {
c45fc81e 1683 /* Fujitsu Amilo Xi 3650 */
9166d0f6
AB		 1684 .matches = {
1685 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1686 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1687 },
1688 .callback = atkbd_setup_forced_release,
1689 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1690 },
032e46cb 1691 {
032e46cb
JY		 1692 .matches = {
1693 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1694 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1695 },
1696 .callback = atkbd_setup_forced_release,
1697 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1698 },
e5713069 1699 {
c45fc81e 1700 /* OQO Model 01+ */
e5713069
JL		 1701 .matches = {
1702 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
1703 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
1704 },
1705 .callback = atkbd_setup_scancode_fixup,
1706 .driver_data = atkbd_oqo_01plus_scancode_fixup,
1707 },
554101e3
GN		 1708 { }
1709};
1da177e4
LT		 1710
1711static int __init atkbd_init(void)
1712{
554101e3
GN		 1713 dmi_check_system(atkbd_dmi_quirk_table);
1714
153a9df0 1715 return serio_register_driver(&atkbd_drv);
1da177e4
LT		 1716}
1717
1718static void __exit atkbd_exit(void)
1719{
1720 serio_unregister_driver(&atkbd_drv);
1721}
1722
1723module_init(atkbd_init);
1724module_exit(atkbd_exit);
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