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[mirror_ubuntu-bionic-kernel.git] / drivers / input / keyboard / atkbd.c
CommitLineData
1da177e4
LT		 1/*
2 * AT and PS/2 keyboard driver
3 *
4 * Copyright (c) 1999-2002 Vojtech Pavlik
5 */
6
7/*
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published by
10 * the Free Software Foundation.
11 */
12
13/*
14 * This driver can handle standard AT keyboards and PS/2 keyboards in
15 * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb
16 * input-only controllers and AT keyboards connected over a one way RS232
17 * converter.
18 */
19
20#include <linux/delay.h>
21#include <linux/module.h>
1da177e4
LT		 22#include <linux/slab.h>
23#include <linux/interrupt.h>
24#include <linux/init.h>
25#include <linux/input.h>
26#include <linux/serio.h>
27#include <linux/workqueue.h>
28#include <linux/libps2.h>
33d3f07a 29#include <linux/mutex.h>
554101e3 30#include <linux/dmi.h>
1da177e4
LT		 31
32#define DRIVER_DESC "AT and PS/2 keyboard driver"
33
34MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
35MODULE_DESCRIPTION(DRIVER_DESC);
36MODULE_LICENSE("GPL");
37
38static int atkbd_set = 2;
39module_param_named(set, atkbd_set, int, 0);
40MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)");
41
42#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
a9a1f9c3 43static bool atkbd_reset;
1da177e4 44#else
a9a1f9c3 45static bool atkbd_reset = true;
1da177e4
LT		 46#endif
47module_param_named(reset, atkbd_reset, bool, 0);
48MODULE_PARM_DESC(reset, "Reset keyboard during initialization");
49
a9a1f9c3 50static bool atkbd_softrepeat;
1da177e4
LT		 51module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
52MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
53
a9a1f9c3 54static bool atkbd_softraw = true;
1da177e4
LT		 55module_param_named(softraw, atkbd_softraw, bool, 0);
56MODULE_PARM_DESC(softraw, "Use software generated rawmode");
57
a9a1f9c3 58static bool 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
a9a1f9c3 62static bool atkbd_extra;
1da177e4
LT		 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
8c5188b6
BL		 66static bool atkbd_terminal;
67module_param_named(terminal, atkbd_terminal, bool, 0);
68MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
69
1da177e4
LT		 70/*
71 * Scancode to keycode tables. These are just the default setting, and
0211a9c8 72 * are loadable via a userland utility.
1da177e4
LT		 73 */
74
1ba36e11
DT		 75#define ATKBD_KEYMAP_SIZE 512
76
77static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
1da177e4
LT		 78
79#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
80
81/* XXX: need a more general approach */
82
83#include "hpps2atkbd.h" /* include the keyboard scancodes */
84
85#else
86 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
87 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
88 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183,
89 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185,
90 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
91 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85,
92 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0,
93 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
94
95 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
96 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125,
97 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127,
72a42f24 98 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142,
1da177e4
LT		 99 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0,
100 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0,
101 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112,
102 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
103
104 0, 0, 0, 65, 99,
105#endif
106};
107
1ba36e11 108static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = {
1da177e4
LT		 109
110 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60,
111 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62,
112 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64,
113 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66,
114 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68,
115 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70,
116 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104,
117 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183,
118
119 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0,
72a42f24 120 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168,
1da177e4
LT		 121 148,149,147,140
122};
123
f6d65610 124static const unsigned short atkbd_unxlate_table[128] = {
1da177e4
LT		 125 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
126 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
127 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
128 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
129 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
130 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
131 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
132 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
133};
134
135#define ATKBD_CMD_SETLEDS 0x10ed
136#define ATKBD_CMD_GSCANSET 0x11f0
137#define ATKBD_CMD_SSCANSET 0x10f0
138#define ATKBD_CMD_GETID 0x02f2
139#define ATKBD_CMD_SETREP 0x10f3
140#define ATKBD_CMD_ENABLE 0x00f4
4a299bf5
DT		 141#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */
142#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */
8c5188b6
BL		 143#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */
144#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */
1da177e4
LT		 145#define ATKBD_CMD_RESET_BAT 0x02ff
146#define ATKBD_CMD_RESEND 0x00fe
147#define ATKBD_CMD_EX_ENABLE 0x10ea
148#define ATKBD_CMD_EX_SETLEDS 0x20eb
149#define ATKBD_CMD_OK_GETID 0x02e8
150
151#define ATKBD_RET_ACK 0xfa
152#define ATKBD_RET_NAK 0xfe
153#define ATKBD_RET_BAT 0xaa
154#define ATKBD_RET_EMUL0 0xe0
155#define ATKBD_RET_EMUL1 0xe1
156#define ATKBD_RET_RELEASE 0xf0
0ae051a1
DT		 157#define ATKBD_RET_HANJA 0xf1
158#define ATKBD_RET_HANGEUL 0xf2
1da177e4
LT		 159#define ATKBD_RET_ERR 0xff
160
4b70858b 161#define ATKBD_KEY_UNKNOWN 0
1da177e4
LT		 162#define ATKBD_KEY_NULL 255
163
4b70858b
DT		 164#define ATKBD_SCR_1 0xfffe
165#define ATKBD_SCR_2 0xfffd
166#define ATKBD_SCR_4 0xfffc
167#define ATKBD_SCR_8 0xfffb
168#define ATKBD_SCR_CLICK 0xfffa
169#define ATKBD_SCR_LEFT 0xfff9
170#define ATKBD_SCR_RIGHT 0xfff8
1da177e4 171
f6d65610 172#define ATKBD_SPECIAL ATKBD_SCR_RIGHT
1da177e4 173
0d4c8597
DT		 174#define ATKBD_LED_EVENT_BIT 0
175#define ATKBD_REP_EVENT_BIT 1
176
0ae051a1
DT		 177#define ATKBD_XL_ERR 0x01
178#define ATKBD_XL_BAT 0x02
179#define ATKBD_XL_ACK 0x04
180#define ATKBD_XL_NAK 0x08
181#define ATKBD_XL_HANGEUL 0x10
182#define ATKBD_XL_HANJA 0x20
183
f6d65610 184static const struct {
4b70858b 185 unsigned short keycode;
1da177e4
LT		 186 unsigned char set2;
187} atkbd_scroll_keys[] = {
188 { ATKBD_SCR_1, 0xc5 },
5212dd58
VP		 189 { ATKBD_SCR_2, 0x9d },
190 { ATKBD_SCR_4, 0xa4 },
191 { ATKBD_SCR_8, 0x9b },
1da177e4
LT		 192 { ATKBD_SCR_CLICK, 0xe0 },
193 { ATKBD_SCR_LEFT, 0xcb },
194 { ATKBD_SCR_RIGHT, 0xd2 },
195};
196
197/*
198 * The atkbd control structure
199 */
200
201struct atkbd {
202
3c42f0c3
DT		 203 struct ps2dev ps2dev;
204 struct input_dev *dev;
1da177e4
LT		 205
206 /* Written only during init */
207 char name[64];
208 char phys[32];
1da177e4
LT		 209
210 unsigned short id;
1ba36e11
DT		 211 unsigned short keycode[ATKBD_KEYMAP_SIZE];
212 DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4 213 unsigned char set;
a9a1f9c3
DT		 214 bool translated;
215 bool extra;
216 bool write;
217 bool softrepeat;
218 bool softraw;
219 bool scroll;
220 bool enabled;
1da177e4
LT		 221
222 /* Accessed only from interrupt */
223 unsigned char emul;
a9a1f9c3
DT		 224 bool resend;
225 bool release;
0ae051a1 226 unsigned long xl_bit;
1da177e4
LT		 227 unsigned int last;
228 unsigned long time;
86255d9d 229 unsigned long err_count;
0d4c8597 230
da4249c9
DT		 231 struct delayed_work event_work;
232 unsigned long event_jiffies;
0d4c8597 233 unsigned long event_mask;
59b01513
EB		 234
235 /* Serializes reconnect(), attr->set() and event work */
236 struct mutex mutex;
1da177e4
LT		 237};
238
554101e3 239/*
36726dd9 240 * System-specific keymap fixup routine
554101e3 241 */
39191698
DM		 242static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
243static void *atkbd_platform_fixup_data;
e5713069 244static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
554101e3 245
1da177e4
LT		 246static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
247 ssize_t (*handler)(struct atkbd *, char *));
248static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
249 ssize_t (*handler)(struct atkbd *, const char *, size_t));
250#define ATKBD_DEFINE_ATTR(_name) \
251static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
252static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
86255d9d
DT		 253static ssize_t atkbd_do_show_##_name(struct device *d, \
254 struct device_attribute *attr, char *b) \
1da177e4
LT		 255{ \
256 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
257} \
86255d9d
DT		 258static ssize_t atkbd_do_set_##_name(struct device *d, \
259 struct device_attribute *attr, const char *b, size_t s) \
1da177e4
LT		 260{ \
261 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
262} \
d083e906 263static struct device_attribute atkbd_attr_##_name = \
1da177e4
LT		 264 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
265
266ATKBD_DEFINE_ATTR(extra);
1ba36e11 267ATKBD_DEFINE_ATTR(force_release);
1da177e4
LT		 268ATKBD_DEFINE_ATTR(scroll);
269ATKBD_DEFINE_ATTR(set);
270ATKBD_DEFINE_ATTR(softrepeat);
271ATKBD_DEFINE_ATTR(softraw);
272
86255d9d
DT		 273#define ATKBD_DEFINE_RO_ATTR(_name) \
274static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
275static ssize_t atkbd_do_show_##_name(struct device *d, \
276 struct device_attribute *attr, char *b) \
277{ \
278 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
279} \
280static struct device_attribute atkbd_attr_##_name = \
281 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
282
283ATKBD_DEFINE_RO_ATTR(err_count);
284
285static struct attribute *atkbd_attributes[] = {
286 &atkbd_attr_extra.attr,
1ba36e11 287 &atkbd_attr_force_release.attr,
86255d9d
DT		 288 &atkbd_attr_scroll.attr,
289 &atkbd_attr_set.attr,
290 &atkbd_attr_softrepeat.attr,
291 &atkbd_attr_softraw.attr,
292 &atkbd_attr_err_count.attr,
293 NULL
294};
295
296static struct attribute_group atkbd_attribute_group = {
297 .attrs = atkbd_attributes,
298};
299
0ae051a1
DT		 300static const unsigned int xl_table[] = {
301 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
302 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
303};
1da177e4 304
0ae051a1
DT		 305/*
306 * Checks if we should mangle the scancode to extract 'release' bit
307 * in translated mode.
308 */
a9a1f9c3 309static bool atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
1da177e4 310{
0ae051a1
DT		 311 int i;
312
313 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
a9a1f9c3 314 return false;
0ae051a1
DT		 315
316 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
317 if (code == xl_table[i])
318 return test_bit(i, &xl_bit);
319
a9a1f9c3 320 return true;
0ae051a1
DT		 321}
322
323/*
324 * Calculates new value of xl_bit so the driver can distinguish
325 * between make/break pair of scancodes for select keys and PS/2
326 * protocol responses.
327 */
328static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
329{
330 int i;
331
332 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
333 if (!((code ^ xl_table[i]) & 0x7f)) {
334 if (code & 0x80)
335 __clear_bit(i, &atkbd->xl_bit);
336 else
337 __set_bit(i, &atkbd->xl_bit);
338 break;
339 }
340 }
341}
342
343/*
344 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
345 * keeping kernel 2.4 compatibility for set 2
346 */
347static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
348{
349 if (atkbd->set == 3) {
350 if (atkbd->emul == 1)
351 code |= 0x100;
352 } else {
353 code = (code & 0x7f) | ((code & 0x80) << 1);
354 if (atkbd->emul == 1)
355 code |= 0x80;
356 }
357
358 return code;
1da177e4
LT		 359}
360
361/*
362 * atkbd_interrupt(). Here takes place processing of data received from
363 * the keyboard into events.
364 */
365
366static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
a9a1f9c3 367 unsigned int flags)
1da177e4
LT		 368{
369 struct atkbd *atkbd = serio_get_drvdata(serio);
0ae051a1 370 struct input_dev *dev = atkbd->dev;
1da177e4 371 unsigned int code = data;
554101e3 372 int scroll = 0, hscroll = 0, click = -1;
1da177e4 373 int value;
f6d65610 374 unsigned short keycode;
1da177e4 375
a9a1f9c3 376 dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags);
1da177e4
LT		 377
378#if !defined(__i386__) && !defined (__x86_64__)
379 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
a9a1f9c3 380 dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags);
1da177e4 381 serio_write(serio, ATKBD_CMD_RESEND);
a9a1f9c3 382 atkbd->resend = true;
1da177e4
LT		 383 goto out;
384 }
385
386 if (!flags && data == ATKBD_RET_ACK)
a9a1f9c3 387 atkbd->resend = false;
1da177e4
LT		 388#endif
389
390 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
391 if (ps2_handle_ack(&atkbd->ps2dev, data))
392 goto out;
393
394 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
395 if (ps2_handle_response(&atkbd->ps2dev, data))
396 goto out;
397
398 if (!atkbd->enabled)
399 goto out;
400
0ae051a1 401 input_event(dev, EV_MSC, MSC_RAW, code);
1da177e4 402
e5713069
JL		 403 if (atkbd_platform_scancode_fixup)
404 code = atkbd_platform_scancode_fixup(atkbd, code);
405
1da177e4
LT		 406 if (atkbd->translated) {
407
0ae051a1 408 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
1da177e4
LT		 409 atkbd->release = code >> 7;
410 code &= 0x7f;
411 }
412
0ae051a1
DT		 413 if (!atkbd->emul)
414 atkbd_calculate_xl_bit(atkbd, data);
1da177e4
LT		 415 }
416
417 switch (code) {
a9a1f9c3
DT		 418 case ATKBD_RET_BAT:
419 atkbd->enabled = false;
420 serio_reconnect(atkbd->ps2dev.serio);
421 goto out;
422 case ATKBD_RET_EMUL0:
423 atkbd->emul = 1;
424 goto out;
425 case ATKBD_RET_EMUL1:
426 atkbd->emul = 2;
427 goto out;
428 case ATKBD_RET_RELEASE:
429 atkbd->release = true;
430 goto out;
431 case ATKBD_RET_ACK:
432 case ATKBD_RET_NAK:
433 if (printk_ratelimit())
434 dev_warn(&serio->dev,
435 "Spurious %s on %s. "
f57fe78e 436 "Some program might be trying to access hardware directly.\n",
a9a1f9c3
DT		 437 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
438 goto out;
439 case ATKBD_RET_ERR:
440 atkbd->err_count++;
441 dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n",
442 serio->phys);
443 goto out;
1da177e4
LT		 444 }
445
0ae051a1
DT		 446 code = atkbd_compat_scancode(atkbd, code);
447
448 if (atkbd->emul && --atkbd->emul)
449 goto out;
450
451 keycode = atkbd->keycode[code];
1da177e4 452
0ae051a1
DT		 453 if (keycode != ATKBD_KEY_NULL)
454 input_event(dev, EV_MSC, MSC_SCAN, code);
1da177e4 455
0ae051a1 456 switch (keycode) {
a9a1f9c3
DT		 457 case ATKBD_KEY_NULL:
458 break;
459 case ATKBD_KEY_UNKNOWN:
460 dev_warn(&serio->dev,
461 "Unknown key %s (%s set %d, code %#x on %s).\n",
462 atkbd->release ? "released" : "pressed",
463 atkbd->translated ? "translated" : "raw",
464 atkbd->set, code, serio->phys);
465 dev_warn(&serio->dev,
466 "Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
467 code & 0x80 ? "e0" : "", code & 0x7f);
468 input_sync(dev);
469 break;
470 case ATKBD_SCR_1:
471 scroll = 1;
472 break;
473 case ATKBD_SCR_2:
474 scroll = 2;
475 break;
476 case ATKBD_SCR_4:
477 scroll = 4;
478 break;
479 case ATKBD_SCR_8:
480 scroll = 8;
481 break;
482 case ATKBD_SCR_CLICK:
483 click = !atkbd->release;
484 break;
485 case ATKBD_SCR_LEFT:
486 hscroll = -1;
487 break;
488 case ATKBD_SCR_RIGHT:
489 hscroll = 1;
490 break;
491 default:
492 if (atkbd->release) {
493 value = 0;
494 atkbd->last = 0;
495 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
496 /* Workaround Toshiba laptop multiple keypress */
497 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
498 } else {
499 value = 1;
500 atkbd->last = code;
501 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
502 }
503
504 input_event(dev, EV_KEY, keycode, value);
505 input_sync(dev);
0ae051a1 506
a9a1f9c3
DT		 507 if (value && test_bit(code, atkbd->force_release_mask)) {
508 input_report_key(dev, keycode, 0);
509 input_sync(dev);
510 }
1da177e4
LT		 511 }
512
513 if (atkbd->scroll) {
1da177e4 514 if (click != -1)
0ae051a1 515 input_report_key(dev, BTN_MIDDLE, click);
a9a1f9c3
DT		 516 input_report_rel(dev, REL_WHEEL,
517 atkbd->release ? -scroll : scroll);
0ae051a1
DT		 518 input_report_rel(dev, REL_HWHEEL, hscroll);
519 input_sync(dev);
1da177e4
LT		 520 }
521
a9a1f9c3 522 atkbd->release = false;
1da177e4
LT		 523out:
524 return IRQ_HANDLED;
525}
526
3d0f0fa0 527static int atkbd_set_repeat_rate(struct atkbd *atkbd)
1da177e4 528{
1da177e4
LT		 529 const short period[32] =
530 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
531 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
532 const short delay[4] =
533 { 250, 500, 750, 1000 };
0d4c8597 534
3d0f0fa0
DT		 535 struct input_dev *dev = atkbd->dev;
536 unsigned char param;
537 int i = 0, j = 0;
538
539 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
540 i++;
541 dev->rep[REP_PERIOD] = period[i];
542
8ea371fb 543 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
3d0f0fa0
DT		 544 j++;
545 dev->rep[REP_DELAY] = delay[j];
546
547 param = i | (j << 5);
548 return ps2_command(&atkbd->ps2dev, &param, ATKBD_CMD_SETREP);
549}
550
551static int atkbd_set_leds(struct atkbd *atkbd)
552{
0d4c8597 553 struct input_dev *dev = atkbd->dev;
1da177e4 554 unsigned char param[2];
1da177e4 555
3d0f0fa0
DT		 556 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
557 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
558 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
559 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
560 return -1;
0d4c8597 561
3d0f0fa0
DT		 562 if (atkbd->extra) {
563 param[0] = 0;
564 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
565 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
566 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
567 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
568 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
569 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
570 return -1;
0d4c8597
DT		 571 }
572
3d0f0fa0
DT		 573 return 0;
574}
575
576/*
577 * atkbd_event_work() is used to complete processing of events that
578 * can not be processed by input_event() which is often called from
579 * interrupt context.
580 */
581
65f27f38 582static void atkbd_event_work(struct work_struct *work)
3d0f0fa0 583{
da4249c9 584 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
3d0f0fa0 585
59b01513 586 mutex_lock(&atkbd->mutex);
3d0f0fa0 587
94dfb0d6
DT		 588 if (!atkbd->enabled) {
589 /*
590 * Serio ports are resumed asynchronously so while driver core
591 * thinks that device is already fully operational in reality
592 * it may not be ready yet. In this case we need to keep
593 * rescheduling till reconnect completes.
594 */
595 schedule_delayed_work(&atkbd->event_work,
596 msecs_to_jiffies(100));
597 } else {
598 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
599 atkbd_set_leds(atkbd);
600
601 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
602 atkbd_set_repeat_rate(atkbd);
603 }
0d4c8597 604
59b01513 605 mutex_unlock(&atkbd->mutex);
0d4c8597
DT		 606}
607
da4249c9
DT		 608/*
609 * Schedule switch for execution. We need to throttle requests,
610 * otherwise keyboard may become unresponsive.
611 */
612static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
613{
614 unsigned long delay = msecs_to_jiffies(50);
615
616 if (time_after(jiffies, atkbd->event_jiffies + delay))
617 delay = 0;
618
619 atkbd->event_jiffies = jiffies;
620 set_bit(event_bit, &atkbd->event_mask);
59b01513 621 mb();
da4249c9
DT		 622 schedule_delayed_work(&atkbd->event_work, delay);
623}
624
0d4c8597
DT		 625/*
626 * Event callback from the input module. Events that change the state of
627 * the hardware are processed here. If action can not be performed in
628 * interrupt context it is offloaded to atkbd_event_work.
629 */
630
da4249c9
DT		 631static int atkbd_event(struct input_dev *dev,
632 unsigned int type, unsigned int code, int value)
0d4c8597 633{
b356872f 634 struct atkbd *atkbd = input_get_drvdata(dev);
0d4c8597 635
1da177e4
LT		 636 if (!atkbd->write)
637 return -1;
638
639 switch (type) {
640
a9a1f9c3
DT		 641 case EV_LED:
642 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
643 return 0;
1da177e4 644
a9a1f9c3
DT		 645 case EV_REP:
646 if (!atkbd->softrepeat)
647 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
648 return 0;
1da177e4 649
a9a1f9c3
DT		 650 default:
651 return -1;
652 }
1da177e4
LT		 653}
654
655/*
656 * atkbd_enable() signals that interrupt handler is allowed to
657 * generate input events.
658 */
659
660static inline void atkbd_enable(struct atkbd *atkbd)
661{
662 serio_pause_rx(atkbd->ps2dev.serio);
a9a1f9c3 663 atkbd->enabled = true;
1da177e4
LT		 664 serio_continue_rx(atkbd->ps2dev.serio);
665}
666
667/*
668 * atkbd_disable() tells input handler that all incoming data except
669 * for ACKs and command response should be dropped.
670 */
671
672static inline void atkbd_disable(struct atkbd *atkbd)
673{
674 serio_pause_rx(atkbd->ps2dev.serio);
a9a1f9c3 675 atkbd->enabled = false;
1da177e4
LT		 676 serio_continue_rx(atkbd->ps2dev.serio);
677}
678
be2d7e42
SN		 679static int atkbd_activate(struct atkbd *atkbd)
680{
681 struct ps2dev *ps2dev = &atkbd->ps2dev;
682
683/*
684 * Enable the keyboard to receive keystrokes.
685 */
686
687 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
688 dev_err(&ps2dev->serio->dev,
689 "Failed to enable keyboard on %s\n",
690 ps2dev->serio->phys);
691 return -1;
692 }
693
694 return 0;
695}
696
697/*
698 * atkbd_deactivate() resets and disables the keyboard from sending
699 * keystrokes.
700 */
701
702static void atkbd_deactivate(struct atkbd *atkbd)
703{
704 struct ps2dev *ps2dev = &atkbd->ps2dev;
705
706 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_DIS))
707 dev_err(&ps2dev->serio->dev,
708 "Failed to deactivate keyboard on %s\n",
709 ps2dev->serio->phys);
710}
711
1da177e4
LT		 712/*
713 * atkbd_probe() probes for an AT keyboard on a serio port.
714 */
715
716static int atkbd_probe(struct atkbd *atkbd)
717{
718 struct ps2dev *ps2dev = &atkbd->ps2dev;
719 unsigned char param[2];
720
721/*
722 * Some systems, where the bit-twiddling when testing the io-lines of the
723 * controller may confuse the keyboard need a full reset of the keyboard. On
724 * these systems the BIOS also usually doesn't do it for us.
725 */
726
727 if (atkbd_reset)
728 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
a9a1f9c3
DT		 729 dev_warn(&ps2dev->serio->dev,
730 "keyboard reset failed on %s\n",
731 ps2dev->serio->phys);
1da177e4
LT		 732
733/*
734 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
735 * Some keyboards report different values, but the first byte is always 0xab or
736 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
737 * should make sure we don't try to set the LEDs on it.
738 */
739
740 param[0] = param[1] = 0xa5; /* initialize with invalid values */
741 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
742
743/*
744 * If the get ID command failed, we check if we can at least set the LEDs on
745 * the keyboard. This should work on every keyboard out there. It also turns
746 * the LEDs off, which we want anyway.
747 */
748 param[0] = 0;
749 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
750 return -1;
751 atkbd->id = 0xabba;
752 return 0;
753 }
754
9807879b 755 if (!ps2_is_keyboard_id(param[0]))
1da177e4
LT		 756 return -1;
757
758 atkbd->id = (param[0] << 8) | param[1];
759
760 if (atkbd->id == 0xaca1 && atkbd->translated) {
a9a1f9c3 761 dev_err(&ps2dev->serio->dev,
236d6a77 762 "NCD terminal keyboards are only supported on non-translating controllers. "
a9a1f9c3 763 "Use i8042.direct=1 to disable translation.\n");
1da177e4
LT		 764 return -1;
765 }
766
be2d7e42
SN		 767/*
768 * Make sure nothing is coming from the keyboard and disturbs our
769 * internal state.
770 */
771 atkbd_deactivate(atkbd);
772
1da177e4
LT		 773 return 0;
774}
775
776/*
777 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
778 * sets it into that. Unfortunately there are keyboards that can be switched
779 * to Set 3, but don't work well in that (BTC Multimedia ...)
780 */
781
782static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
783{
784 struct ps2dev *ps2dev = &atkbd->ps2dev;
785 unsigned char param[2];
786
a9a1f9c3 787 atkbd->extra = false;
1da177e4
LT		 788/*
789 * For known special keyboards we can go ahead and set the correct set.
790 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
791 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
792 */
793
794 if (atkbd->translated)
795 return 2;
796
797 if (atkbd->id == 0xaca1) {
798 param[0] = 3;
799 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
800 return 3;
801 }
802
803 if (allow_extra) {
804 param[0] = 0x71;
805 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
a9a1f9c3 806 atkbd->extra = true;
1da177e4
LT		 807 return 2;
808 }
809 }
810
8c5188b6
BL		 811 if (atkbd_terminal) {
812 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB);
813 return 3;
814 }
815
1da177e4
LT		 816 if (target_set != 3)
817 return 2;
818
819 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
820 atkbd->id = param[0] << 8 | param[1];
821 return 2;
822 }
823
824 param[0] = 3;
825 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
826 return 2;
827
828 param[0] = 0;
829 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
830 return 2;
831
832 if (param[0] != 3) {
833 param[0] = 2;
834 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
835 return 2;
836 }
837
838 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
839
840 return 3;
841}
842
fc0eb28c
DT		 843static int atkbd_reset_state(struct atkbd *atkbd)
844{
845 struct ps2dev *ps2dev = &atkbd->ps2dev;
846 unsigned char param[1];
847
848/*
849 * Set the LEDs to a predefined state (all off).
850 */
851
852 param[0] = 0;
853 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
854 return -1;
855
856/*
857 * Set autorepeat to fastest possible.
858 */
859
860 param[0] = 0;
861 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
862 return -1;
863
864 return 0;
865}
866
1da177e4
LT		 867/*
868 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
869 * reboot.
870 */
871
872static void atkbd_cleanup(struct serio *serio)
873{
874 struct atkbd *atkbd = serio_get_drvdata(serio);
57f5b159
DT		 875
876 atkbd_disable(atkbd);
4a299bf5 877 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
1da177e4
LT		 878}
879
880
881/*
882 * atkbd_disconnect() closes and frees.
883 */
884
885static void atkbd_disconnect(struct serio *serio)
886{
887 struct atkbd *atkbd = serio_get_drvdata(serio);
888
59b01513
EB		 889 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
890
1da177e4
LT		 891 atkbd_disable(atkbd);
892
0ef7a26a
DT		 893 input_unregister_device(atkbd->dev);
894
895 /*
896 * Make sure we don't have a command in flight.
897 * Note that since atkbd->enabled is false event work will keep
898 * rescheduling itself until it gets canceled and will not try
899 * accessing freed input device or serio port.
900 */
d6d79a78 901 cancel_delayed_work_sync(&atkbd->event_work);
1da177e4 902
1da177e4
LT		 903 serio_close(serio);
904 serio_set_drvdata(serio, NULL);
905 kfree(atkbd);
906}
907
554101e3 908/*
39191698 909 * generate release events for the keycodes given in data
554101e3 910 */
39191698
DM		 911static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
912 const void *data)
554101e3 913{
39191698
DM		 914 const unsigned int *keys = data;
915 unsigned int i;
554101e3
GN		 916
917 if (atkbd->set == 2)
39191698
DM		 918 for (i = 0; keys[i] != -1U; i++)
919 __set_bit(keys[i], atkbd->force_release_mask);
554101e3 920}
1da177e4 921
39191698
DM		 922/*
923 * Most special keys (Fn+F?) on Dell laptops do not generate release
924 * events so we have to do it ourselves.
925 */
926static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
927 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
928};
929
5a54c011
JK		 930/*
931 * Perform fixup for HP system that doesn't generate release
932 * for its video switch
933 */
39191698
DM		 934static unsigned int atkbd_hp_forced_release_keys[] = {
935 0x94, -1U
936};
5a54c011 937
4200844b 938/*
e04126c7 939 * Samsung NC10,NC20 with Fn+F? key release not working
4200844b 940 */
39191698
DM		 941static unsigned int atkbd_samsung_forced_release_keys[] = {
942 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
943};
4200844b 944
f0a14de2
SD		 945/*
946 * Amilo Pi 3525 key release for Fn+Volume keys not working
947 */
948static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
949 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
950};
951
9166d0f6
AB		 952/*
953 * Amilo Xi 3650 key release for light touch bar not working
954 */
955static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
956 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
957};
958
032e46cb
JY		 959/*
960 * Soltech TA12 system with broken key release on volume keys and mute key
961 */
962static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
963 0xa0, 0xae, 0xb0, -1U
964};
965
000c2a35
HRK		 966/*
967 * Many notebooks don't send key release event for volume up/down
968 * keys, with key list below common among them
969 */
970static unsigned int atkbd_volume_forced_release_keys[] = {
971 0xae, 0xb0, -1U
972};
973
e5713069
JL		 974/*
975 * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
976 * they should be generating e4-e6 (0x80 | code).
977 */
978static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
979 unsigned int code)
980{
981 if (atkbd->translated && atkbd->emul == 1 &&
982 (code == 0x64 || code == 0x65 || code == 0x66)) {
983 atkbd->emul = 0;
984 code |= 0x80;
985 }
986
987 return code;
988}
989
1da177e4 990/*
3c42f0c3 991 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT		 992 * according to the selected scancode set
993 */
994
995static void atkbd_set_keycode_table(struct atkbd *atkbd)
996{
554101e3 997 unsigned int scancode;
1da177e4
LT		 998 int i, j;
999
1000 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1ba36e11 1001 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT		 1002
1003 if (atkbd->translated) {
1004 for (i = 0; i < 128; i++) {
554101e3
GN		 1005 scancode = atkbd_unxlate_table[i];
1006 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
1007 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT		 1008 if (atkbd->scroll)
1009 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 1010 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT		 1011 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
1012 }
1013 } else if (atkbd->set == 3) {
1014 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
1015 } else {
1016 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
1017
1018 if (atkbd->scroll)
554101e3
GN		 1019 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
1020 scancode = atkbd_scroll_keys[i].set2;
1021 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
1022 }
1da177e4 1023 }
0ae051a1 1024
554101e3
GN		 1025/*
1026 * HANGEUL and HANJA keys do not send release events so we need to
1027 * generate such events ourselves
1028 */
1029 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
1030 atkbd->keycode[scancode] = KEY_HANGEUL;
1031 __set_bit(scancode, atkbd->force_release_mask);
1032
1033 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
1034 atkbd->keycode[scancode] = KEY_HANJA;
1035 __set_bit(scancode, atkbd->force_release_mask);
1036
1037/*
1038 * Perform additional fixups
1039 */
1040 if (atkbd_platform_fixup)
39191698 1041 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT		 1042}
1043
1044/*
1045 * atkbd_set_device_attrs() sets up keyboard's input device structure
1046 */
1047
1048static void atkbd_set_device_attrs(struct atkbd *atkbd)
1049{
3c42f0c3 1050 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT		 1051 int i;
1052
3c42f0c3 1053 if (atkbd->extra)
ea08c6fa
DT		 1054 snprintf(atkbd->name, sizeof(atkbd->name),
1055 "AT Set 2 Extra keyboard");
3c42f0c3 1056 else
ea08c6fa
DT		 1057 snprintf(atkbd->name, sizeof(atkbd->name),
1058 "AT %s Set %d keyboard",
1059 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 1060
ea08c6fa
DT		 1061 snprintf(atkbd->phys, sizeof(atkbd->phys),
1062 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 1063
3c42f0c3
DT		 1064 input_dev->name = atkbd->name;
1065 input_dev->phys = atkbd->phys;
1066 input_dev->id.bustype = BUS_I8042;
1067 input_dev->id.vendor = 0x0001;
1068 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1069 input_dev->id.version = atkbd->id;
1070 input_dev->event = atkbd_event;
469ba4df 1071 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 1072
b356872f
DT		 1073 input_set_drvdata(input_dev, atkbd);
1074
7b19ada2
JS		 1075 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1076 BIT_MASK(EV_MSC);
1da177e4
LT		 1077
1078 if (atkbd->write) {
7b19ada2
JS		 1079 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1080 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1081 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT		 1082 }
1083
1084 if (atkbd->extra)
7b19ada2
JS		 1085 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1086 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1087 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT		 1088
1089 if (!atkbd->softrepeat) {
3c42f0c3
DT		 1090 input_dev->rep[REP_DELAY] = 250;
1091 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT		 1092 }
1093
7b19ada2
JS		 1094 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1095 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT		 1096
1097 if (atkbd->scroll) {
7b19ada2
JS		 1098 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1099 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1100 BIT_MASK(REL_HWHEEL);
f6d65610 1101 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT		 1102 }
1103
3c42f0c3 1104 input_dev->keycode = atkbd->keycode;
f6d65610 1105 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1106 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4 1107
4b70858b
DT		 1108 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) {
1109 if (atkbd->keycode[i] != KEY_RESERVED &&
1110 atkbd->keycode[i] != ATKBD_KEY_NULL &&
1111 atkbd->keycode[i] < ATKBD_SPECIAL) {
f6d65610 1112 __set_bit(atkbd->keycode[i], input_dev->keybit);
4b70858b
DT		 1113 }
1114 }
1da177e4
LT		 1115}
1116
1117/*
1118 * atkbd_connect() is called when the serio module finds an interface
1119 * that isn't handled yet by an appropriate device driver. We check if
1120 * there is an AT keyboard out there and if yes, we register ourselves
1121 * to the input module.
1122 */
1123
1124static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1125{
1126 struct atkbd *atkbd;
3c42f0c3
DT		 1127 struct input_dev *dev;
1128 int err = -ENOMEM;
1da177e4 1129
3c42f0c3
DT		 1130 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1131 dev = input_allocate_device();
1132 if (!atkbd || !dev)
2b03b60e 1133 goto fail1;
1da177e4 1134
3c42f0c3 1135 atkbd->dev = dev;
1da177e4 1136 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1137 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
59b01513 1138 mutex_init(&atkbd->mutex);
1da177e4
LT		 1139
1140 switch (serio->id.type) {
1141
a9a1f9c3
DT		 1142 case SERIO_8042_XL:
1143 atkbd->translated = true;
1144 /* Fall through */
1145
1146 case SERIO_8042:
1147 if (serio->write)
1148 atkbd->write = true;
1149 break;
1da177e4
LT		 1150 }
1151
1152 atkbd->softraw = atkbd_softraw;
1153 atkbd->softrepeat = atkbd_softrepeat;
1154 atkbd->scroll = atkbd_scroll;
1155
1da177e4 1156 if (atkbd->softrepeat)
a9a1f9c3 1157 atkbd->softraw = true;
1da177e4
LT		 1158
1159 serio_set_drvdata(serio, atkbd);
1160
1161 err = serio_open(serio, drv);
3c42f0c3 1162 if (err)
2b03b60e 1163 goto fail2;
1da177e4
LT		 1164
1165 if (atkbd->write) {
1166
1167 if (atkbd_probe(atkbd)) {
3c42f0c3 1168 err = -ENODEV;
2b03b60e 1169 goto fail3;
1da177e4
LT		 1170 }
1171
1172 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
fc0eb28c 1173 atkbd_reset_state(atkbd);
1da177e4
LT		 1174
1175 } else {
1176 atkbd->set = 2;
1177 atkbd->id = 0xab00;
1178 }
1179
1da177e4
LT		 1180 atkbd_set_keycode_table(atkbd);
1181 atkbd_set_device_attrs(atkbd);
1182
2b03b60e
DT		 1183 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1184 if (err)
1185 goto fail3;
1da177e4
LT		 1186
1187 atkbd_enable(atkbd);
be2d7e42
SN		 1188 if (serio->write)
1189 atkbd_activate(atkbd);
1da177e4 1190
2b03b60e
DT		 1191 err = input_register_device(atkbd->dev);
1192 if (err)
1193 goto fail4;
1da177e4
LT		 1194
1195 return 0;
3c42f0c3 1196
2b03b60e
DT		 1197 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1198 fail3: serio_close(serio);
1199 fail2: serio_set_drvdata(serio, NULL);
1200 fail1: input_free_device(dev);
3c42f0c3
DT		 1201 kfree(atkbd);
1202 return err;
1da177e4
LT		 1203}
1204
1205/*
1206 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1207 * most likely called on resume.
1208 */
1209
1210static int atkbd_reconnect(struct serio *serio)
1211{
1212 struct atkbd *atkbd = serio_get_drvdata(serio);
1213 struct serio_driver *drv = serio->drv;
59b01513 1214 int retval = -1;
1da177e4
LT		 1215
1216 if (!atkbd || !drv) {
a9a1f9c3
DT		 1217 dev_dbg(&serio->dev,
1218 "reconnect request, but serio is disconnected, ignoring...\n");
1da177e4
LT		 1219 return -1;
1220 }
1221
59b01513
EB		 1222 mutex_lock(&atkbd->mutex);
1223
1da177e4
LT		 1224 atkbd_disable(atkbd);
1225
1226 if (atkbd->write) {
1da177e4 1227 if (atkbd_probe(atkbd))
59b01513
EB		 1228 goto out;
1229
1da177e4 1230 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
59b01513 1231 goto out;
1da177e4 1232
d4119bda
DT		 1233 /*
1234 * Restore LED state and repeat rate. While input core
1235 * will do this for us at resume time reconnect may happen
1236 * because user requested it via sysfs or simply because
1237 * keyboard was unplugged and plugged in again so we need
1238 * to do it ourselves here.
1239 */
1240 atkbd_set_leds(atkbd);
1241 if (!atkbd->softrepeat)
1242 atkbd_set_repeat_rate(atkbd);
1243
1da177e4
LT		 1244 }
1245
be2d7e42
SN		 1246 /*
1247 * Reset our state machine in case reconnect happened in the middle
1248 * of multi-byte scancode.
1249 */
1250 atkbd->xl_bit = 0;
1251 atkbd->emul = 0;
1252
1da177e4 1253 atkbd_enable(atkbd);
be2d7e42
SN		 1254 if (atkbd->write)
1255 atkbd_activate(atkbd);
1256
59b01513 1257 retval = 0;
1da177e4 1258
59b01513
EB		 1259 out:
1260 mutex_unlock(&atkbd->mutex);
1261 return retval;
1da177e4
LT		 1262}
1263
1264static struct serio_device_id atkbd_serio_ids[] = {
1265 {
1266 .type = SERIO_8042,
1267 .proto = SERIO_ANY,
1268 .id = SERIO_ANY,
1269 .extra = SERIO_ANY,
1270 },
1271 {
1272 .type = SERIO_8042_XL,
1273 .proto = SERIO_ANY,
1274 .id = SERIO_ANY,
1275 .extra = SERIO_ANY,
1276 },
1277 {
1278 .type = SERIO_RS232,
1279 .proto = SERIO_PS2SER,
1280 .id = SERIO_ANY,
1281 .extra = SERIO_ANY,
1282 },
1283 { 0 }
1284};
1285
1286MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1287
1288static struct serio_driver atkbd_drv = {
1289 .driver = {
1290 .name = "atkbd",
1291 },
1292 .description = DRIVER_DESC,
1293 .id_table = atkbd_serio_ids,
1294 .interrupt = atkbd_interrupt,
1295 .connect = atkbd_connect,
1296 .reconnect = atkbd_reconnect,
1297 .disconnect = atkbd_disconnect,
1298 .cleanup = atkbd_cleanup,
1299};
1300
1301static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1302 ssize_t (*handler)(struct atkbd *, char *))
1303{
1304 struct serio *serio = to_serio_port(dev);
59b01513 1305 struct atkbd *atkbd = serio_get_drvdata(serio);
1da177e4 1306
59b01513 1307 return handler(atkbd, buf);
1da177e4
LT		 1308}
1309
1310static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1311 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1312{
1313 struct serio *serio = to_serio_port(dev);
59b01513 1314 struct atkbd *atkbd = serio_get_drvdata(serio);
1da177e4
LT		 1315 int retval;
1316
59b01513 1317 retval = mutex_lock_interruptible(&atkbd->mutex);
1da177e4
LT		 1318 if (retval)
1319 return retval;
1320
1da177e4
LT		 1321 atkbd_disable(atkbd);
1322 retval = handler(atkbd, buf, count);
1323 atkbd_enable(atkbd);
1324
59b01513
EB		 1325 mutex_unlock(&atkbd->mutex);
1326
1da177e4
LT		 1327 return retval;
1328}
1329
1330static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1331{
1332 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1333}
1334
1335static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1336{
2b03b60e 1337 struct input_dev *old_dev, *new_dev;
76496e7a 1338 unsigned int value;
2b03b60e 1339 int err;
a9a1f9c3
DT		 1340 bool old_extra;
1341 unsigned char old_set;
1da177e4
LT		 1342
1343 if (!atkbd->write)
1344 return -EIO;
1345
76496e7a
JD		 1346 err = kstrtouint(buf, 10, &value);
1347 if (err)
1348 return err;
1349
1350 if (value > 1)
1da177e4
LT		 1351 return -EINVAL;
1352
1353 if (atkbd->extra != value) {
3c42f0c3
DT		 1354 /*
1355 * Since device's properties will change we need to
2b03b60e
DT		 1356 * unregister old device. But allocate and register
1357 * new one first to make sure we have it.
3c42f0c3 1358 */
2b03b60e
DT		 1359 old_dev = atkbd->dev;
1360 old_extra = atkbd->extra;
1361 old_set = atkbd->set;
1362
1363 new_dev = input_allocate_device();
1364 if (!new_dev)
3c42f0c3 1365 return -ENOMEM;
2b03b60e 1366
3c42f0c3 1367 atkbd->dev = new_dev;
1da177e4 1368 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
fc0eb28c 1369 atkbd_reset_state(atkbd);
1da177e4 1370 atkbd_activate(atkbd);
2b03b60e 1371 atkbd_set_keycode_table(atkbd);
1da177e4 1372 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1373
1374 err = input_register_device(atkbd->dev);
1375 if (err) {
1376 input_free_device(new_dev);
1377
1378 atkbd->dev = old_dev;
1379 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1380 atkbd_set_keycode_table(atkbd);
1381 atkbd_set_device_attrs(atkbd);
1382
1383 return err;
1384 }
1385 input_unregister_device(old_dev);
1386
1da177e4
LT		 1387 }
1388 return count;
1389}
1390
1ba36e11
DT		 1391static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1392{
1393 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1394 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1395
1396 buf[len++] = '\n';
1397 buf[len] = '\0';
1398
1399 return len;
1400}
1401
1402static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1403 const char *buf, size_t count)
1404{
1405 /* 64 bytes on stack should be acceptable */
1406 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1407 int err;
1408
1409 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1410 if (err)
1411 return err;
1412
1413 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1414 return count;
1415}
1416
1417
1da177e4
LT		 1418static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1419{
1420 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1421}
1422
1423static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1424{
2b03b60e 1425 struct input_dev *old_dev, *new_dev;
76496e7a 1426 unsigned int value;
2b03b60e 1427 int err;
a9a1f9c3 1428 bool old_scroll;
1da177e4 1429
76496e7a
JD		 1430 err = kstrtouint(buf, 10, &value);
1431 if (err)
1432 return err;
1433
1434 if (value > 1)
1da177e4
LT		 1435 return -EINVAL;
1436
1437 if (atkbd->scroll != value) {
2b03b60e
DT		 1438 old_dev = atkbd->dev;
1439 old_scroll = atkbd->scroll;
1440
1441 new_dev = input_allocate_device();
1442 if (!new_dev)
3c42f0c3 1443 return -ENOMEM;
2b03b60e 1444
3c42f0c3 1445 atkbd->dev = new_dev;
1da177e4
LT		 1446 atkbd->scroll = value;
1447 atkbd_set_keycode_table(atkbd);
1448 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1449
1450 err = input_register_device(atkbd->dev);
1451 if (err) {
1452 input_free_device(new_dev);
1453
1454 atkbd->scroll = old_scroll;
1455 atkbd->dev = old_dev;
1456 atkbd_set_keycode_table(atkbd);
1457 atkbd_set_device_attrs(atkbd);
1458
1459 return err;
1460 }
1461 input_unregister_device(old_dev);
1da177e4
LT		 1462 }
1463 return count;
1464}
1465
1466static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1467{
1468 return sprintf(buf, "%d\n", atkbd->set);
1469}
1470
1471static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1472{
2b03b60e 1473 struct input_dev *old_dev, *new_dev;
76496e7a 1474 unsigned int value;
2b03b60e 1475 int err;
a9a1f9c3
DT		 1476 unsigned char old_set;
1477 bool old_extra;
1da177e4
LT		 1478
1479 if (!atkbd->write)
1480 return -EIO;
1481
76496e7a
JD		 1482 err = kstrtouint(buf, 10, &value);
1483 if (err)
1484 return err;
1485
1486 if (value != 2 && value != 3)
1da177e4
LT		 1487 return -EINVAL;
1488
1489 if (atkbd->set != value) {
2b03b60e
DT		 1490 old_dev = atkbd->dev;
1491 old_extra = atkbd->extra;
1492 old_set = atkbd->set;
1493
1494 new_dev = input_allocate_device();
1495 if (!new_dev)
3c42f0c3 1496 return -ENOMEM;
2b03b60e 1497
3c42f0c3 1498 atkbd->dev = new_dev;
1da177e4 1499 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
d4119bda 1500 atkbd_reset_state(atkbd);
1da177e4
LT		 1501 atkbd_activate(atkbd);
1502 atkbd_set_keycode_table(atkbd);
1503 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1504
1505 err = input_register_device(atkbd->dev);
1506 if (err) {
1507 input_free_device(new_dev);
1508
1509 atkbd->dev = old_dev;
1510 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1511 atkbd_set_keycode_table(atkbd);
1512 atkbd_set_device_attrs(atkbd);
1513
1514 return err;
1515 }
1516 input_unregister_device(old_dev);
1da177e4
LT		 1517 }
1518 return count;
1519}
1520
1521static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1522{
1523 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1524}
1525
1526static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1527{
2b03b60e 1528 struct input_dev *old_dev, *new_dev;
76496e7a 1529 unsigned int value;
2b03b60e 1530 int err;
a9a1f9c3 1531 bool old_softrepeat, old_softraw;
1da177e4
LT		 1532
1533 if (!atkbd->write)
1534 return -EIO;
1535
76496e7a
JD		 1536 err = kstrtouint(buf, 10, &value);
1537 if (err)
1538 return err;
1539
1540 if (value > 1)
1da177e4
LT		 1541 return -EINVAL;
1542
1543 if (atkbd->softrepeat != value) {
2b03b60e
DT		 1544 old_dev = atkbd->dev;
1545 old_softrepeat = atkbd->softrepeat;
1546 old_softraw = atkbd->softraw;
1547
1548 new_dev = input_allocate_device();
1549 if (!new_dev)
3c42f0c3 1550 return -ENOMEM;
2b03b60e 1551
3c42f0c3 1552 atkbd->dev = new_dev;
1da177e4
LT		 1553 atkbd->softrepeat = value;
1554 if (atkbd->softrepeat)
a9a1f9c3 1555 atkbd->softraw = true;
1da177e4 1556 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1557
1558 err = input_register_device(atkbd->dev);
1559 if (err) {
1560 input_free_device(new_dev);
1561
1562 atkbd->dev = old_dev;
1563 atkbd->softrepeat = old_softrepeat;
1564 atkbd->softraw = old_softraw;
1565 atkbd_set_device_attrs(atkbd);
1566
1567 return err;
1568 }
1569 input_unregister_device(old_dev);
1da177e4 1570 }
1da177e4
LT		 1571 return count;
1572}
1573
1574
1575static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1576{
1577 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1578}
1579
1580static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1581{
2b03b60e 1582 struct input_dev *old_dev, *new_dev;
76496e7a 1583 unsigned int value;
2b03b60e 1584 int err;
a9a1f9c3 1585 bool old_softraw;
1da177e4 1586
76496e7a
JD		 1587 err = kstrtouint(buf, 10, &value);
1588 if (err)
1589 return err;
1590
1591 if (value > 1)
1da177e4
LT		 1592 return -EINVAL;
1593
1594 if (atkbd->softraw != value) {
2b03b60e
DT		 1595 old_dev = atkbd->dev;
1596 old_softraw = atkbd->softraw;
1597
1598 new_dev = input_allocate_device();
1599 if (!new_dev)
3c42f0c3 1600 return -ENOMEM;
2b03b60e 1601
3c42f0c3 1602 atkbd->dev = new_dev;
1da177e4
LT		 1603 atkbd->softraw = value;
1604 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1605
1606 err = input_register_device(atkbd->dev);
1607 if (err) {
1608 input_free_device(new_dev);
1609
1610 atkbd->dev = old_dev;
1611 atkbd->softraw = old_softraw;
1612 atkbd_set_device_attrs(atkbd);
1613
1614 return err;
1615 }
1616 input_unregister_device(old_dev);
1da177e4
LT		 1617 }
1618 return count;
1619}
1620
86255d9d
DT		 1621static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1622{
1623 return sprintf(buf, "%lu\n", atkbd->err_count);
1624}
1625
39191698 1626static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1627{
39191698
DM		 1628 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1629 atkbd_platform_fixup_data = id->driver_data;
1630
c388b2c6 1631 return 1;
554101e3
GN		 1632}
1633
e5713069
JL		 1634static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
1635{
1636 atkbd_platform_scancode_fixup = id->driver_data;
1637
c388b2c6 1638 return 1;
e5713069
JL		 1639}
1640
c45fc81e 1641static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
554101e3 1642 {
554101e3
GN		 1643 .matches = {
1644 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1645 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1646 },
39191698
DM		 1647 .callback = atkbd_setup_forced_release,
1648 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1649 },
2a3ec326 1650 {
2a3ec326
MG		 1651 .matches = {
1652 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1653 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1654 },
39191698
DM		 1655 .callback = atkbd_setup_forced_release,
1656 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1657 },
5a54c011 1658 {
5a54c011
JK		 1659 .matches = {
1660 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1661 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1662 },
39191698
DM		 1663 .callback = atkbd_setup_forced_release,
1664 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1665 },
181f6382 1666 {
181f6382
RL		 1667 .matches = {
1668 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1669 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1670 },
39191698 1671 .callback = atkbd_setup_forced_release,
000c2a35 1672 .driver_data = atkbd_volume_forced_release_keys,
181f6382 1673 },
2bcaa6a4 1674 {
2bcaa6a4
DA		 1675 .matches = {
1676 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1677 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1678 },
1679 .callback = atkbd_setup_forced_release,
000c2a35 1680 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA		 1681 },
1682 {
2bcaa6a4
DA		 1683 .matches = {
1684 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1685 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1686 },
1687 .callback = atkbd_setup_forced_release,
000c2a35 1688 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA		 1689 },
1690 {
2bcaa6a4
DA		 1691 .matches = {
1692 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1693 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1694 },
1695 .callback = atkbd_setup_forced_release,
000c2a35 1696 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4 1697 },
a8215b81 1698 {
c45fc81e 1699 /* Inventec Symphony */
a8215b81
MG		 1700 .matches = {
1701 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1702 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1703 },
39191698 1704 .callback = atkbd_setup_forced_release,
000c2a35 1705 .driver_data = atkbd_volume_forced_release_keys,
a8215b81 1706 },
4200844b 1707 {
c45fc81e 1708 /* Samsung NC10 */
4200844b
SH		 1709 .matches = {
1710 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1711 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1712 },
39191698
DM		 1713 .callback = atkbd_setup_forced_release,
1714 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1715 },
e04126c7 1716 {
c45fc81e 1717 /* Samsung NC20 */
e04126c7
BC		 1718 .matches = {
1719 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1720 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1721 },
1722 .callback = atkbd_setup_forced_release,
1723 .driver_data = atkbd_samsung_forced_release_keys,
1724 },
157f3a3e 1725 {
c45fc81e 1726 /* Samsung SQ45S70S */
157f3a3e
DT		 1727 .matches = {
1728 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1729 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1730 },
1731 .callback = atkbd_setup_forced_release,
1732 .driver_data = atkbd_samsung_forced_release_keys,
1733 },
adcb523e 1734 {
c45fc81e 1735 /* Fujitsu Amilo PA 1510 */
adcb523e
DM		 1736 .matches = {
1737 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1738 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1739 },
1740 .callback = atkbd_setup_forced_release,
000c2a35 1741 .driver_data = atkbd_volume_forced_release_keys,
adcb523e 1742 },
f0a14de2 1743 {
c45fc81e 1744 /* Fujitsu Amilo Pi 3525 */
f0a14de2
SD		 1745 .matches = {
1746 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1747 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1748 },
1749 .callback = atkbd_setup_forced_release,
1750 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1751 },
9166d0f6 1752 {
c45fc81e 1753 /* Fujitsu Amilo Xi 3650 */
9166d0f6
AB		 1754 .matches = {
1755 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1756 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1757 },
1758 .callback = atkbd_setup_forced_release,
1759 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1760 },
032e46cb 1761 {
032e46cb
JY		 1762 .matches = {
1763 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1764 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1765 },
1766 .callback = atkbd_setup_forced_release,
1767 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1768 },
e5713069 1769 {
c45fc81e 1770 /* OQO Model 01+ */
e5713069
JL		 1771 .matches = {
1772 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
1773 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
1774 },
1775 .callback = atkbd_setup_scancode_fixup,
1776 .driver_data = atkbd_oqo_01plus_scancode_fixup,
1777 },
554101e3
GN		 1778 { }
1779};
1da177e4
LT		 1780
1781static int __init atkbd_init(void)
1782{
554101e3
GN		 1783 dmi_check_system(atkbd_dmi_quirk_table);
1784
153a9df0 1785 return serio_register_driver(&atkbd_drv);
1da177e4
LT		 1786}
1787
1788static void __exit atkbd_exit(void)
1789{
1790 serio_unregister_driver(&atkbd_drv);
1791}
1792
1793module_init(atkbd_init);
1794module_exit(atkbd_exit);
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