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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
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
4b70858b 156#define ATKBD_KEY_UNKNOWN 0
1da177e4
LT
157#define ATKBD_KEY_NULL 255
158
4b70858b
DT
159#define ATKBD_SCR_1 0xfffe
160#define ATKBD_SCR_2 0xfffd
161#define ATKBD_SCR_4 0xfffc
162#define ATKBD_SCR_8 0xfffb
163#define ATKBD_SCR_CLICK 0xfffa
164#define ATKBD_SCR_LEFT 0xfff9
165#define ATKBD_SCR_RIGHT 0xfff8
1da177e4 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 {
4b70858b 180 unsigned short keycode;
1da177e4
LT
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 208 unsigned char set;
a9a1f9c3
DT
209 bool translated;
210 bool extra;
211 bool write;
212 bool softrepeat;
213 bool softraw;
214 bool scroll;
215 bool enabled;
1da177e4
LT
216
217 /* Accessed only from interrupt */
218 unsigned char emul;
a9a1f9c3
DT
219 bool resend;
220 bool 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;
0d4c8597 228 unsigned long event_mask;
59b01513
EB
229
230 /* Serializes reconnect(), attr->set() and event work */
231 struct mutex mutex;
1da177e4
LT
232};
233
554101e3 234/*
36726dd9 235 * System-specific keymap fixup routine
554101e3 236 */
39191698
DM
237static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
238static void *atkbd_platform_fixup_data;
e5713069 239static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
554101e3 240
1da177e4
LT
241static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
242 ssize_t (*handler)(struct atkbd *, char *));
243static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
244 ssize_t (*handler)(struct atkbd *, const char *, size_t));
245#define ATKBD_DEFINE_ATTR(_name) \
246static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
247static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
86255d9d
DT
248static ssize_t atkbd_do_show_##_name(struct device *d, \
249 struct device_attribute *attr, char *b) \
1da177e4
LT
250{ \
251 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
252} \
86255d9d
DT
253static ssize_t atkbd_do_set_##_name(struct device *d, \
254 struct device_attribute *attr, const char *b, size_t s) \
1da177e4
LT
255{ \
256 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
257} \
d083e906 258static struct device_attribute atkbd_attr_##_name = \
1da177e4
LT
259 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
260
261ATKBD_DEFINE_ATTR(extra);
1ba36e11 262ATKBD_DEFINE_ATTR(force_release);
1da177e4
LT
263ATKBD_DEFINE_ATTR(scroll);
264ATKBD_DEFINE_ATTR(set);
265ATKBD_DEFINE_ATTR(softrepeat);
266ATKBD_DEFINE_ATTR(softraw);
267
86255d9d
DT
268#define ATKBD_DEFINE_RO_ATTR(_name) \
269static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
270static ssize_t atkbd_do_show_##_name(struct device *d, \
271 struct device_attribute *attr, char *b) \
272{ \
273 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
274} \
275static struct device_attribute atkbd_attr_##_name = \
276 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
277
278ATKBD_DEFINE_RO_ATTR(err_count);
279
280static struct attribute *atkbd_attributes[] = {
281 &atkbd_attr_extra.attr,
1ba36e11 282 &atkbd_attr_force_release.attr,
86255d9d
DT
283 &atkbd_attr_scroll.attr,
284 &atkbd_attr_set.attr,
285 &atkbd_attr_softrepeat.attr,
286 &atkbd_attr_softraw.attr,
287 &atkbd_attr_err_count.attr,
288 NULL
289};
290
291static struct attribute_group atkbd_attribute_group = {
292 .attrs = atkbd_attributes,
293};
294
0ae051a1
DT
295static const unsigned int xl_table[] = {
296 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
297 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
298};
1da177e4 299
0ae051a1
DT
300/*
301 * Checks if we should mangle the scancode to extract 'release' bit
302 * in translated mode.
303 */
a9a1f9c3 304static bool atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
1da177e4 305{
0ae051a1
DT
306 int i;
307
308 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
a9a1f9c3 309 return false;
0ae051a1
DT
310
311 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
312 if (code == xl_table[i])
313 return test_bit(i, &xl_bit);
314
a9a1f9c3 315 return true;
0ae051a1
DT
316}
317
318/*
319 * Calculates new value of xl_bit so the driver can distinguish
320 * between make/break pair of scancodes for select keys and PS/2
321 * protocol responses.
322 */
323static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
324{
325 int i;
326
327 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
328 if (!((code ^ xl_table[i]) & 0x7f)) {
329 if (code & 0x80)
330 __clear_bit(i, &atkbd->xl_bit);
331 else
332 __set_bit(i, &atkbd->xl_bit);
333 break;
334 }
335 }
336}
337
338/*
339 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
340 * keeping kernel 2.4 compatibility for set 2
341 */
342static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
343{
344 if (atkbd->set == 3) {
345 if (atkbd->emul == 1)
346 code |= 0x100;
347 } else {
348 code = (code & 0x7f) | ((code & 0x80) << 1);
349 if (atkbd->emul == 1)
350 code |= 0x80;
351 }
352
353 return code;
1da177e4
LT
354}
355
356/*
357 * atkbd_interrupt(). Here takes place processing of data received from
358 * the keyboard into events.
359 */
360
361static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
a9a1f9c3 362 unsigned int flags)
1da177e4
LT
363{
364 struct atkbd *atkbd = serio_get_drvdata(serio);
0ae051a1 365 struct input_dev *dev = atkbd->dev;
1da177e4 366 unsigned int code = data;
554101e3 367 int scroll = 0, hscroll = 0, click = -1;
1da177e4 368 int value;
f6d65610 369 unsigned short keycode;
1da177e4 370
a9a1f9c3 371 dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags);
1da177e4
LT
372
373#if !defined(__i386__) && !defined (__x86_64__)
374 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
a9a1f9c3 375 dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags);
1da177e4 376 serio_write(serio, ATKBD_CMD_RESEND);
a9a1f9c3 377 atkbd->resend = true;
1da177e4
LT
378 goto out;
379 }
380
381 if (!flags && data == ATKBD_RET_ACK)
a9a1f9c3 382 atkbd->resend = false;
1da177e4
LT
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) {
a9a1f9c3
DT
413 case ATKBD_RET_BAT:
414 atkbd->enabled = false;
415 serio_reconnect(atkbd->ps2dev.serio);
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 = true;
425 goto out;
426 case ATKBD_RET_ACK:
427 case ATKBD_RET_NAK:
428 if (printk_ratelimit())
429 dev_warn(&serio->dev,
430 "Spurious %s on %s. "
431 "Some program might be trying access hardware directly.\n",
432 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
433 goto out;
434 case ATKBD_RET_ERR:
435 atkbd->err_count++;
436 dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n",
437 serio->phys);
438 goto out;
1da177e4
LT
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) {
a9a1f9c3
DT
452 case ATKBD_KEY_NULL:
453 break;
454 case ATKBD_KEY_UNKNOWN:
455 dev_warn(&serio->dev,
456 "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 dev_warn(&serio->dev,
461 "Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
462 code & 0x80 ? "e0" : "", code & 0x7f);
463 input_sync(dev);
464 break;
465 case ATKBD_SCR_1:
466 scroll = 1;
467 break;
468 case ATKBD_SCR_2:
469 scroll = 2;
470 break;
471 case ATKBD_SCR_4:
472 scroll = 4;
473 break;
474 case ATKBD_SCR_8:
475 scroll = 8;
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:
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;
497 }
498
499 input_event(dev, EV_KEY, keycode, value);
500 input_sync(dev);
0ae051a1 501
a9a1f9c3
DT
502 if (value && test_bit(code, atkbd->force_release_mask)) {
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 510 input_report_key(dev, BTN_MIDDLE, click);
a9a1f9c3
DT
511 input_report_rel(dev, REL_WHEEL,
512 atkbd->release ? -scroll : scroll);
0ae051a1
DT
513 input_report_rel(dev, REL_HWHEEL, hscroll);
514 input_sync(dev);
1da177e4
LT
515 }
516
a9a1f9c3 517 atkbd->release = false;
1da177e4
LT
518out:
519 return IRQ_HANDLED;
520}
521
3d0f0fa0 522static int atkbd_set_repeat_rate(struct atkbd *atkbd)
1da177e4 523{
1da177e4
LT
524 const short period[32] =
525 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
526 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
527 const short delay[4] =
528 { 250, 500, 750, 1000 };
0d4c8597 529
3d0f0fa0
DT
530 struct input_dev *dev = atkbd->dev;
531 unsigned char param;
532 int i = 0, j = 0;
533
534 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
535 i++;
536 dev->rep[REP_PERIOD] = period[i];
537
8ea371fb 538 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
3d0f0fa0
DT
539 j++;
540 dev->rep[REP_DELAY] = delay[j];
541
542 param = i | (j << 5);
543 return ps2_command(&atkbd->ps2dev, &param, ATKBD_CMD_SETREP);
544}
545
546static int atkbd_set_leds(struct atkbd *atkbd)
547{
0d4c8597 548 struct input_dev *dev = atkbd->dev;
1da177e4 549 unsigned char param[2];
1da177e4 550
3d0f0fa0
DT
551 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
552 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
553 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
554 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
555 return -1;
0d4c8597 556
3d0f0fa0
DT
557 if (atkbd->extra) {
558 param[0] = 0;
559 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
560 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
561 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
562 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
563 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
564 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
565 return -1;
0d4c8597
DT
566 }
567
3d0f0fa0
DT
568 return 0;
569}
570
571/*
572 * atkbd_event_work() is used to complete processing of events that
573 * can not be processed by input_event() which is often called from
574 * interrupt context.
575 */
576
65f27f38 577static void atkbd_event_work(struct work_struct *work)
3d0f0fa0 578{
da4249c9 579 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
3d0f0fa0 580
59b01513 581 mutex_lock(&atkbd->mutex);
3d0f0fa0 582
94dfb0d6
DT
583 if (!atkbd->enabled) {
584 /*
585 * Serio ports are resumed asynchronously so while driver core
586 * thinks that device is already fully operational in reality
587 * it may not be ready yet. In this case we need to keep
588 * rescheduling till reconnect completes.
589 */
590 schedule_delayed_work(&atkbd->event_work,
591 msecs_to_jiffies(100));
592 } else {
593 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
594 atkbd_set_leds(atkbd);
595
596 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
597 atkbd_set_repeat_rate(atkbd);
598 }
0d4c8597 599
59b01513 600 mutex_unlock(&atkbd->mutex);
0d4c8597
DT
601}
602
da4249c9
DT
603/*
604 * Schedule switch for execution. We need to throttle requests,
605 * otherwise keyboard may become unresponsive.
606 */
607static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
608{
609 unsigned long delay = msecs_to_jiffies(50);
610
611 if (time_after(jiffies, atkbd->event_jiffies + delay))
612 delay = 0;
613
614 atkbd->event_jiffies = jiffies;
615 set_bit(event_bit, &atkbd->event_mask);
59b01513 616 mb();
da4249c9
DT
617 schedule_delayed_work(&atkbd->event_work, delay);
618}
619
0d4c8597
DT
620/*
621 * Event callback from the input module. Events that change the state of
622 * the hardware are processed here. If action can not be performed in
623 * interrupt context it is offloaded to atkbd_event_work.
624 */
625
da4249c9
DT
626static int atkbd_event(struct input_dev *dev,
627 unsigned int type, unsigned int code, int value)
0d4c8597 628{
b356872f 629 struct atkbd *atkbd = input_get_drvdata(dev);
0d4c8597 630
1da177e4
LT
631 if (!atkbd->write)
632 return -1;
633
634 switch (type) {
635
a9a1f9c3
DT
636 case EV_LED:
637 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
638 return 0;
1da177e4 639
a9a1f9c3
DT
640 case EV_REP:
641 if (!atkbd->softrepeat)
642 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
643 return 0;
1da177e4 644
a9a1f9c3
DT
645 default:
646 return -1;
647 }
1da177e4
LT
648}
649
650/*
651 * atkbd_enable() signals that interrupt handler is allowed to
652 * generate input events.
653 */
654
655static inline void atkbd_enable(struct atkbd *atkbd)
656{
657 serio_pause_rx(atkbd->ps2dev.serio);
a9a1f9c3 658 atkbd->enabled = true;
1da177e4
LT
659 serio_continue_rx(atkbd->ps2dev.serio);
660}
661
662/*
663 * atkbd_disable() tells input handler that all incoming data except
664 * for ACKs and command response should be dropped.
665 */
666
667static inline void atkbd_disable(struct atkbd *atkbd)
668{
669 serio_pause_rx(atkbd->ps2dev.serio);
a9a1f9c3 670 atkbd->enabled = false;
1da177e4
LT
671 serio_continue_rx(atkbd->ps2dev.serio);
672}
673
674/*
675 * atkbd_probe() probes for an AT keyboard on a serio port.
676 */
677
678static int atkbd_probe(struct atkbd *atkbd)
679{
680 struct ps2dev *ps2dev = &atkbd->ps2dev;
681 unsigned char param[2];
682
683/*
684 * Some systems, where the bit-twiddling when testing the io-lines of the
685 * controller may confuse the keyboard need a full reset of the keyboard. On
686 * these systems the BIOS also usually doesn't do it for us.
687 */
688
689 if (atkbd_reset)
690 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
a9a1f9c3
DT
691 dev_warn(&ps2dev->serio->dev,
692 "keyboard reset failed on %s\n",
693 ps2dev->serio->phys);
1da177e4
LT
694
695/*
696 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
697 * Some keyboards report different values, but the first byte is always 0xab or
698 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
699 * should make sure we don't try to set the LEDs on it.
700 */
701
702 param[0] = param[1] = 0xa5; /* initialize with invalid values */
703 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
704
705/*
706 * If the get ID command failed, we check if we can at least set the LEDs on
707 * the keyboard. This should work on every keyboard out there. It also turns
708 * the LEDs off, which we want anyway.
709 */
710 param[0] = 0;
711 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
712 return -1;
713 atkbd->id = 0xabba;
714 return 0;
715 }
716
9807879b 717 if (!ps2_is_keyboard_id(param[0]))
1da177e4
LT
718 return -1;
719
720 atkbd->id = (param[0] << 8) | param[1];
721
722 if (atkbd->id == 0xaca1 && atkbd->translated) {
a9a1f9c3
DT
723 dev_err(&ps2dev->serio->dev,
724 "NCD terminal keyboards are only supported on non-translating controlelrs. "
725 "Use i8042.direct=1 to disable translation.\n");
1da177e4
LT
726 return -1;
727 }
728
729 return 0;
730}
731
732/*
733 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
734 * sets it into that. Unfortunately there are keyboards that can be switched
735 * to Set 3, but don't work well in that (BTC Multimedia ...)
736 */
737
738static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
739{
740 struct ps2dev *ps2dev = &atkbd->ps2dev;
741 unsigned char param[2];
742
a9a1f9c3 743 atkbd->extra = false;
1da177e4
LT
744/*
745 * For known special keyboards we can go ahead and set the correct set.
746 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
747 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
748 */
749
750 if (atkbd->translated)
751 return 2;
752
753 if (atkbd->id == 0xaca1) {
754 param[0] = 3;
755 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
756 return 3;
757 }
758
759 if (allow_extra) {
760 param[0] = 0x71;
761 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
a9a1f9c3 762 atkbd->extra = true;
1da177e4
LT
763 return 2;
764 }
765 }
766
767 if (target_set != 3)
768 return 2;
769
770 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
771 atkbd->id = param[0] << 8 | param[1];
772 return 2;
773 }
774
775 param[0] = 3;
776 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
777 return 2;
778
779 param[0] = 0;
780 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
781 return 2;
782
783 if (param[0] != 3) {
784 param[0] = 2;
785 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
786 return 2;
787 }
788
789 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
790
791 return 3;
792}
793
fc0eb28c
DT
794static int atkbd_reset_state(struct atkbd *atkbd)
795{
796 struct ps2dev *ps2dev = &atkbd->ps2dev;
797 unsigned char param[1];
798
799/*
800 * Set the LEDs to a predefined state (all off).
801 */
802
803 param[0] = 0;
804 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
805 return -1;
806
807/*
808 * Set autorepeat to fastest possible.
809 */
810
811 param[0] = 0;
812 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
813 return -1;
814
815 return 0;
816}
817
1da177e4
LT
818static int atkbd_activate(struct atkbd *atkbd)
819{
820 struct ps2dev *ps2dev = &atkbd->ps2dev;
1da177e4
LT
821
822/*
823 * Enable the keyboard to receive keystrokes.
824 */
825
826 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
a9a1f9c3
DT
827 dev_err(&ps2dev->serio->dev,
828 "Failed to enable keyboard on %s\n",
1da177e4
LT
829 ps2dev->serio->phys);
830 return -1;
831 }
832
833 return 0;
834}
835
836/*
837 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
838 * reboot.
839 */
840
841static void atkbd_cleanup(struct serio *serio)
842{
843 struct atkbd *atkbd = serio_get_drvdata(serio);
57f5b159
DT
844
845 atkbd_disable(atkbd);
4a299bf5 846 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
1da177e4
LT
847}
848
849
850/*
851 * atkbd_disconnect() closes and frees.
852 */
853
854static void atkbd_disconnect(struct serio *serio)
855{
856 struct atkbd *atkbd = serio_get_drvdata(serio);
857
59b01513
EB
858 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
859
1da177e4
LT
860 atkbd_disable(atkbd);
861
0ef7a26a
DT
862 input_unregister_device(atkbd->dev);
863
864 /*
865 * Make sure we don't have a command in flight.
866 * Note that since atkbd->enabled is false event work will keep
867 * rescheduling itself until it gets canceled and will not try
868 * accessing freed input device or serio port.
869 */
d6d79a78 870 cancel_delayed_work_sync(&atkbd->event_work);
1da177e4 871
1da177e4
LT
872 serio_close(serio);
873 serio_set_drvdata(serio, NULL);
874 kfree(atkbd);
875}
876
554101e3 877/*
39191698 878 * generate release events for the keycodes given in data
554101e3 879 */
39191698
DM
880static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
881 const void *data)
554101e3 882{
39191698
DM
883 const unsigned int *keys = data;
884 unsigned int i;
554101e3
GN
885
886 if (atkbd->set == 2)
39191698
DM
887 for (i = 0; keys[i] != -1U; i++)
888 __set_bit(keys[i], atkbd->force_release_mask);
554101e3 889}
1da177e4 890
39191698
DM
891/*
892 * Most special keys (Fn+F?) on Dell laptops do not generate release
893 * events so we have to do it ourselves.
894 */
895static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
896 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
897};
898
5a54c011
JK
899/*
900 * Perform fixup for HP system that doesn't generate release
901 * for its video switch
902 */
39191698
DM
903static unsigned int atkbd_hp_forced_release_keys[] = {
904 0x94, -1U
905};
5a54c011 906
4200844b 907/*
e04126c7 908 * Samsung NC10,NC20 with Fn+F? key release not working
4200844b 909 */
39191698
DM
910static unsigned int atkbd_samsung_forced_release_keys[] = {
911 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
912};
4200844b 913
f0a14de2
SD
914/*
915 * Amilo Pi 3525 key release for Fn+Volume keys not working
916 */
917static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
918 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
919};
920
9166d0f6
AB
921/*
922 * Amilo Xi 3650 key release for light touch bar not working
923 */
924static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
925 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
926};
927
032e46cb
JY
928/*
929 * Soltech TA12 system with broken key release on volume keys and mute key
930 */
931static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
932 0xa0, 0xae, 0xb0, -1U
933};
934
000c2a35
HRK
935/*
936 * Many notebooks don't send key release event for volume up/down
937 * keys, with key list below common among them
938 */
939static unsigned int atkbd_volume_forced_release_keys[] = {
940 0xae, 0xb0, -1U
941};
942
e5713069
JL
943/*
944 * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
945 * they should be generating e4-e6 (0x80 | code).
946 */
947static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
948 unsigned int code)
949{
950 if (atkbd->translated && atkbd->emul == 1 &&
951 (code == 0x64 || code == 0x65 || code == 0x66)) {
952 atkbd->emul = 0;
953 code |= 0x80;
954 }
955
956 return code;
957}
958
1da177e4 959/*
3c42f0c3 960 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT
961 * according to the selected scancode set
962 */
963
964static void atkbd_set_keycode_table(struct atkbd *atkbd)
965{
554101e3 966 unsigned int scancode;
1da177e4
LT
967 int i, j;
968
969 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1ba36e11 970 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT
971
972 if (atkbd->translated) {
973 for (i = 0; i < 128; i++) {
554101e3
GN
974 scancode = atkbd_unxlate_table[i];
975 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
976 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT
977 if (atkbd->scroll)
978 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 979 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT
980 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
981 }
982 } else if (atkbd->set == 3) {
983 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
984 } else {
985 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
986
987 if (atkbd->scroll)
554101e3
GN
988 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
989 scancode = atkbd_scroll_keys[i].set2;
990 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
991 }
1da177e4 992 }
0ae051a1 993
554101e3
GN
994/*
995 * HANGEUL and HANJA keys do not send release events so we need to
996 * generate such events ourselves
997 */
998 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
999 atkbd->keycode[scancode] = KEY_HANGEUL;
1000 __set_bit(scancode, atkbd->force_release_mask);
1001
1002 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
1003 atkbd->keycode[scancode] = KEY_HANJA;
1004 __set_bit(scancode, atkbd->force_release_mask);
1005
1006/*
1007 * Perform additional fixups
1008 */
1009 if (atkbd_platform_fixup)
39191698 1010 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT
1011}
1012
1013/*
1014 * atkbd_set_device_attrs() sets up keyboard's input device structure
1015 */
1016
1017static void atkbd_set_device_attrs(struct atkbd *atkbd)
1018{
3c42f0c3 1019 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT
1020 int i;
1021
3c42f0c3 1022 if (atkbd->extra)
ea08c6fa
DT
1023 snprintf(atkbd->name, sizeof(atkbd->name),
1024 "AT Set 2 Extra keyboard");
3c42f0c3 1025 else
ea08c6fa
DT
1026 snprintf(atkbd->name, sizeof(atkbd->name),
1027 "AT %s Set %d keyboard",
1028 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 1029
ea08c6fa
DT
1030 snprintf(atkbd->phys, sizeof(atkbd->phys),
1031 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 1032
3c42f0c3
DT
1033 input_dev->name = atkbd->name;
1034 input_dev->phys = atkbd->phys;
1035 input_dev->id.bustype = BUS_I8042;
1036 input_dev->id.vendor = 0x0001;
1037 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1038 input_dev->id.version = atkbd->id;
1039 input_dev->event = atkbd_event;
469ba4df 1040 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 1041
b356872f
DT
1042 input_set_drvdata(input_dev, atkbd);
1043
7b19ada2
JS
1044 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1045 BIT_MASK(EV_MSC);
1da177e4
LT
1046
1047 if (atkbd->write) {
7b19ada2
JS
1048 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1049 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1050 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT
1051 }
1052
1053 if (atkbd->extra)
7b19ada2
JS
1054 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1055 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1056 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT
1057
1058 if (!atkbd->softrepeat) {
3c42f0c3
DT
1059 input_dev->rep[REP_DELAY] = 250;
1060 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT
1061 }
1062
7b19ada2
JS
1063 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1064 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT
1065
1066 if (atkbd->scroll) {
7b19ada2
JS
1067 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1068 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1069 BIT_MASK(REL_HWHEEL);
f6d65610 1070 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT
1071 }
1072
3c42f0c3 1073 input_dev->keycode = atkbd->keycode;
f6d65610 1074 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1075 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4 1076
4b70858b
DT
1077 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) {
1078 if (atkbd->keycode[i] != KEY_RESERVED &&
1079 atkbd->keycode[i] != ATKBD_KEY_NULL &&
1080 atkbd->keycode[i] < ATKBD_SPECIAL) {
f6d65610 1081 __set_bit(atkbd->keycode[i], input_dev->keybit);
4b70858b
DT
1082 }
1083 }
1da177e4
LT
1084}
1085
1086/*
1087 * atkbd_connect() is called when the serio module finds an interface
1088 * that isn't handled yet by an appropriate device driver. We check if
1089 * there is an AT keyboard out there and if yes, we register ourselves
1090 * to the input module.
1091 */
1092
1093static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1094{
1095 struct atkbd *atkbd;
3c42f0c3
DT
1096 struct input_dev *dev;
1097 int err = -ENOMEM;
1da177e4 1098
3c42f0c3
DT
1099 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1100 dev = input_allocate_device();
1101 if (!atkbd || !dev)
2b03b60e 1102 goto fail1;
1da177e4 1103
3c42f0c3 1104 atkbd->dev = dev;
1da177e4 1105 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1106 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
59b01513 1107 mutex_init(&atkbd->mutex);
1da177e4
LT
1108
1109 switch (serio->id.type) {
1110
a9a1f9c3
DT
1111 case SERIO_8042_XL:
1112 atkbd->translated = true;
1113 /* Fall through */
1114
1115 case SERIO_8042:
1116 if (serio->write)
1117 atkbd->write = true;
1118 break;
1da177e4
LT
1119 }
1120
1121 atkbd->softraw = atkbd_softraw;
1122 atkbd->softrepeat = atkbd_softrepeat;
1123 atkbd->scroll = atkbd_scroll;
1124
1da177e4 1125 if (atkbd->softrepeat)
a9a1f9c3 1126 atkbd->softraw = true;
1da177e4
LT
1127
1128 serio_set_drvdata(serio, atkbd);
1129
1130 err = serio_open(serio, drv);
3c42f0c3 1131 if (err)
2b03b60e 1132 goto fail2;
1da177e4
LT
1133
1134 if (atkbd->write) {
1135
1136 if (atkbd_probe(atkbd)) {
3c42f0c3 1137 err = -ENODEV;
2b03b60e 1138 goto fail3;
1da177e4
LT
1139 }
1140
1141 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
fc0eb28c 1142 atkbd_reset_state(atkbd);
1da177e4
LT
1143 atkbd_activate(atkbd);
1144
1145 } else {
1146 atkbd->set = 2;
1147 atkbd->id = 0xab00;
1148 }
1149
1da177e4
LT
1150 atkbd_set_keycode_table(atkbd);
1151 atkbd_set_device_attrs(atkbd);
1152
2b03b60e
DT
1153 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1154 if (err)
1155 goto fail3;
1da177e4
LT
1156
1157 atkbd_enable(atkbd);
1158
2b03b60e
DT
1159 err = input_register_device(atkbd->dev);
1160 if (err)
1161 goto fail4;
1da177e4
LT
1162
1163 return 0;
3c42f0c3 1164
2b03b60e
DT
1165 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1166 fail3: serio_close(serio);
1167 fail2: serio_set_drvdata(serio, NULL);
1168 fail1: input_free_device(dev);
3c42f0c3
DT
1169 kfree(atkbd);
1170 return err;
1da177e4
LT
1171}
1172
1173/*
1174 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1175 * most likely called on resume.
1176 */
1177
1178static int atkbd_reconnect(struct serio *serio)
1179{
1180 struct atkbd *atkbd = serio_get_drvdata(serio);
1181 struct serio_driver *drv = serio->drv;
59b01513 1182 int retval = -1;
1da177e4
LT
1183
1184 if (!atkbd || !drv) {
a9a1f9c3
DT
1185 dev_dbg(&serio->dev,
1186 "reconnect request, but serio is disconnected, ignoring...\n");
1da177e4
LT
1187 return -1;
1188 }
1189
59b01513
EB
1190 mutex_lock(&atkbd->mutex);
1191
1da177e4
LT
1192 atkbd_disable(atkbd);
1193
1194 if (atkbd->write) {
1da177e4 1195 if (atkbd_probe(atkbd))
59b01513
EB
1196 goto out;
1197
1da177e4 1198 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
59b01513 1199 goto out;
1da177e4
LT
1200
1201 atkbd_activate(atkbd);
d4119bda
DT
1202
1203 /*
1204 * Restore LED state and repeat rate. While input core
1205 * will do this for us at resume time reconnect may happen
1206 * because user requested it via sysfs or simply because
1207 * keyboard was unplugged and plugged in again so we need
1208 * to do it ourselves here.
1209 */
1210 atkbd_set_leds(atkbd);
1211 if (!atkbd->softrepeat)
1212 atkbd_set_repeat_rate(atkbd);
1213
1da177e4
LT
1214 }
1215
1216 atkbd_enable(atkbd);
59b01513 1217 retval = 0;
1da177e4 1218
59b01513
EB
1219 out:
1220 mutex_unlock(&atkbd->mutex);
1221 return retval;
1da177e4
LT
1222}
1223
1224static struct serio_device_id atkbd_serio_ids[] = {
1225 {
1226 .type = SERIO_8042,
1227 .proto = SERIO_ANY,
1228 .id = SERIO_ANY,
1229 .extra = SERIO_ANY,
1230 },
1231 {
1232 .type = SERIO_8042_XL,
1233 .proto = SERIO_ANY,
1234 .id = SERIO_ANY,
1235 .extra = SERIO_ANY,
1236 },
1237 {
1238 .type = SERIO_RS232,
1239 .proto = SERIO_PS2SER,
1240 .id = SERIO_ANY,
1241 .extra = SERIO_ANY,
1242 },
1243 { 0 }
1244};
1245
1246MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1247
1248static struct serio_driver atkbd_drv = {
1249 .driver = {
1250 .name = "atkbd",
1251 },
1252 .description = DRIVER_DESC,
1253 .id_table = atkbd_serio_ids,
1254 .interrupt = atkbd_interrupt,
1255 .connect = atkbd_connect,
1256 .reconnect = atkbd_reconnect,
1257 .disconnect = atkbd_disconnect,
1258 .cleanup = atkbd_cleanup,
1259};
1260
1261static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1262 ssize_t (*handler)(struct atkbd *, char *))
1263{
1264 struct serio *serio = to_serio_port(dev);
59b01513 1265 struct atkbd *atkbd = serio_get_drvdata(serio);
1da177e4 1266
59b01513 1267 return handler(atkbd, buf);
1da177e4
LT
1268}
1269
1270static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1271 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1272{
1273 struct serio *serio = to_serio_port(dev);
59b01513 1274 struct atkbd *atkbd = serio_get_drvdata(serio);
1da177e4
LT
1275 int retval;
1276
59b01513 1277 retval = mutex_lock_interruptible(&atkbd->mutex);
1da177e4
LT
1278 if (retval)
1279 return retval;
1280
1da177e4
LT
1281 atkbd_disable(atkbd);
1282 retval = handler(atkbd, buf, count);
1283 atkbd_enable(atkbd);
1284
59b01513
EB
1285 mutex_unlock(&atkbd->mutex);
1286
1da177e4
LT
1287 return retval;
1288}
1289
1290static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1291{
1292 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1293}
1294
1295static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1296{
2b03b60e 1297 struct input_dev *old_dev, *new_dev;
1da177e4 1298 unsigned long value;
2b03b60e 1299 int err;
a9a1f9c3
DT
1300 bool old_extra;
1301 unsigned char old_set;
1da177e4
LT
1302
1303 if (!atkbd->write)
1304 return -EIO;
1305
160f1fef 1306 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT
1307 return -EINVAL;
1308
1309 if (atkbd->extra != value) {
3c42f0c3
DT
1310 /*
1311 * Since device's properties will change we need to
2b03b60e
DT
1312 * unregister old device. But allocate and register
1313 * new one first to make sure we have it.
3c42f0c3 1314 */
2b03b60e
DT
1315 old_dev = atkbd->dev;
1316 old_extra = atkbd->extra;
1317 old_set = atkbd->set;
1318
1319 new_dev = input_allocate_device();
1320 if (!new_dev)
3c42f0c3 1321 return -ENOMEM;
2b03b60e 1322
3c42f0c3 1323 atkbd->dev = new_dev;
1da177e4 1324 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
fc0eb28c 1325 atkbd_reset_state(atkbd);
1da177e4 1326 atkbd_activate(atkbd);
2b03b60e 1327 atkbd_set_keycode_table(atkbd);
1da177e4 1328 atkbd_set_device_attrs(atkbd);
2b03b60e
DT
1329
1330 err = input_register_device(atkbd->dev);
1331 if (err) {
1332 input_free_device(new_dev);
1333
1334 atkbd->dev = old_dev;
1335 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1336 atkbd_set_keycode_table(atkbd);
1337 atkbd_set_device_attrs(atkbd);
1338
1339 return err;
1340 }
1341 input_unregister_device(old_dev);
1342
1da177e4
LT
1343 }
1344 return count;
1345}
1346
1ba36e11
DT
1347static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1348{
1349 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1350 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1351
1352 buf[len++] = '\n';
1353 buf[len] = '\0';
1354
1355 return len;
1356}
1357
1358static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1359 const char *buf, size_t count)
1360{
1361 /* 64 bytes on stack should be acceptable */
1362 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1363 int err;
1364
1365 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1366 if (err)
1367 return err;
1368
1369 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1370 return count;
1371}
1372
1373
1da177e4
LT
1374static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1375{
1376 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1377}
1378
1379static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1380{
2b03b60e 1381 struct input_dev *old_dev, *new_dev;
1da177e4 1382 unsigned long value;
2b03b60e 1383 int err;
a9a1f9c3 1384 bool old_scroll;
1da177e4 1385
160f1fef 1386 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT
1387 return -EINVAL;
1388
1389 if (atkbd->scroll != value) {
2b03b60e
DT
1390 old_dev = atkbd->dev;
1391 old_scroll = atkbd->scroll;
1392
1393 new_dev = input_allocate_device();
1394 if (!new_dev)
3c42f0c3 1395 return -ENOMEM;
2b03b60e 1396
3c42f0c3 1397 atkbd->dev = new_dev;
1da177e4
LT
1398 atkbd->scroll = value;
1399 atkbd_set_keycode_table(atkbd);
1400 atkbd_set_device_attrs(atkbd);
2b03b60e
DT
1401
1402 err = input_register_device(atkbd->dev);
1403 if (err) {
1404 input_free_device(new_dev);
1405
1406 atkbd->scroll = old_scroll;
1407 atkbd->dev = old_dev;
1408 atkbd_set_keycode_table(atkbd);
1409 atkbd_set_device_attrs(atkbd);
1410
1411 return err;
1412 }
1413 input_unregister_device(old_dev);
1da177e4
LT
1414 }
1415 return count;
1416}
1417
1418static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1419{
1420 return sprintf(buf, "%d\n", atkbd->set);
1421}
1422
1423static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1424{
2b03b60e 1425 struct input_dev *old_dev, *new_dev;
1da177e4 1426 unsigned long value;
2b03b60e 1427 int err;
a9a1f9c3
DT
1428 unsigned char old_set;
1429 bool old_extra;
1da177e4
LT
1430
1431 if (!atkbd->write)
1432 return -EIO;
1433
160f1fef 1434 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1da177e4
LT
1435 return -EINVAL;
1436
1437 if (atkbd->set != value) {
2b03b60e
DT
1438 old_dev = atkbd->dev;
1439 old_extra = atkbd->extra;
1440 old_set = atkbd->set;
1441
1442 new_dev = input_allocate_device();
1443 if (!new_dev)
3c42f0c3 1444 return -ENOMEM;
2b03b60e 1445
3c42f0c3 1446 atkbd->dev = new_dev;
1da177e4 1447 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
d4119bda 1448 atkbd_reset_state(atkbd);
1da177e4
LT
1449 atkbd_activate(atkbd);
1450 atkbd_set_keycode_table(atkbd);
1451 atkbd_set_device_attrs(atkbd);
2b03b60e
DT
1452
1453 err = input_register_device(atkbd->dev);
1454 if (err) {
1455 input_free_device(new_dev);
1456
1457 atkbd->dev = old_dev;
1458 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1459 atkbd_set_keycode_table(atkbd);
1460 atkbd_set_device_attrs(atkbd);
1461
1462 return err;
1463 }
1464 input_unregister_device(old_dev);
1da177e4
LT
1465 }
1466 return count;
1467}
1468
1469static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1470{
1471 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1472}
1473
1474static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1475{
2b03b60e 1476 struct input_dev *old_dev, *new_dev;
1da177e4 1477 unsigned long value;
2b03b60e 1478 int err;
a9a1f9c3 1479 bool old_softrepeat, old_softraw;
1da177e4
LT
1480
1481 if (!atkbd->write)
1482 return -EIO;
1483
160f1fef 1484 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT
1485 return -EINVAL;
1486
1487 if (atkbd->softrepeat != value) {
2b03b60e
DT
1488 old_dev = atkbd->dev;
1489 old_softrepeat = atkbd->softrepeat;
1490 old_softraw = atkbd->softraw;
1491
1492 new_dev = input_allocate_device();
1493 if (!new_dev)
3c42f0c3 1494 return -ENOMEM;
2b03b60e 1495
3c42f0c3 1496 atkbd->dev = new_dev;
1da177e4
LT
1497 atkbd->softrepeat = value;
1498 if (atkbd->softrepeat)
a9a1f9c3 1499 atkbd->softraw = true;
1da177e4 1500 atkbd_set_device_attrs(atkbd);
2b03b60e
DT
1501
1502 err = input_register_device(atkbd->dev);
1503 if (err) {
1504 input_free_device(new_dev);
1505
1506 atkbd->dev = old_dev;
1507 atkbd->softrepeat = old_softrepeat;
1508 atkbd->softraw = old_softraw;
1509 atkbd_set_device_attrs(atkbd);
1510
1511 return err;
1512 }
1513 input_unregister_device(old_dev);
1da177e4 1514 }
1da177e4
LT
1515 return count;
1516}
1517
1518
1519static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1520{
1521 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1522}
1523
1524static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1525{
2b03b60e 1526 struct input_dev *old_dev, *new_dev;
1da177e4 1527 unsigned long value;
2b03b60e 1528 int err;
a9a1f9c3 1529 bool old_softraw;
1da177e4 1530
160f1fef 1531 if (strict_strtoul(buf, 10, &value) || value > 1)
1da177e4
LT
1532 return -EINVAL;
1533
1534 if (atkbd->softraw != value) {
2b03b60e
DT
1535 old_dev = atkbd->dev;
1536 old_softraw = atkbd->softraw;
1537
1538 new_dev = input_allocate_device();
1539 if (!new_dev)
3c42f0c3 1540 return -ENOMEM;
2b03b60e 1541
3c42f0c3 1542 atkbd->dev = new_dev;
1da177e4
LT
1543 atkbd->softraw = value;
1544 atkbd_set_device_attrs(atkbd);
2b03b60e
DT
1545
1546 err = input_register_device(atkbd->dev);
1547 if (err) {
1548 input_free_device(new_dev);
1549
1550 atkbd->dev = old_dev;
1551 atkbd->softraw = old_softraw;
1552 atkbd_set_device_attrs(atkbd);
1553
1554 return err;
1555 }
1556 input_unregister_device(old_dev);
1da177e4
LT
1557 }
1558 return count;
1559}
1560
86255d9d
DT
1561static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1562{
1563 return sprintf(buf, "%lu\n", atkbd->err_count);
1564}
1565
39191698 1566static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1567{
39191698
DM
1568 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1569 atkbd_platform_fixup_data = id->driver_data;
1570
554101e3
GN
1571 return 0;
1572}
1573
e5713069
JL
1574static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
1575{
1576 atkbd_platform_scancode_fixup = id->driver_data;
1577
1578 return 0;
1579}
1580
c45fc81e 1581static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
554101e3 1582 {
554101e3
GN
1583 .matches = {
1584 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1585 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1586 },
39191698
DM
1587 .callback = atkbd_setup_forced_release,
1588 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1589 },
2a3ec326 1590 {
2a3ec326
MG
1591 .matches = {
1592 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1593 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1594 },
39191698
DM
1595 .callback = atkbd_setup_forced_release,
1596 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1597 },
5a54c011 1598 {
5a54c011
JK
1599 .matches = {
1600 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1601 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1602 },
39191698
DM
1603 .callback = atkbd_setup_forced_release,
1604 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1605 },
181f6382 1606 {
181f6382
RL
1607 .matches = {
1608 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1609 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1610 },
39191698 1611 .callback = atkbd_setup_forced_release,
000c2a35 1612 .driver_data = atkbd_volume_forced_release_keys,
181f6382 1613 },
2bcaa6a4 1614 {
2bcaa6a4
DA
1615 .matches = {
1616 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1617 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1618 },
1619 .callback = atkbd_setup_forced_release,
000c2a35 1620 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA
1621 },
1622 {
2bcaa6a4
DA
1623 .matches = {
1624 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1625 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1626 },
1627 .callback = atkbd_setup_forced_release,
000c2a35 1628 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA
1629 },
1630 {
2bcaa6a4
DA
1631 .matches = {
1632 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1633 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1634 },
1635 .callback = atkbd_setup_forced_release,
000c2a35 1636 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4 1637 },
a8215b81 1638 {
c45fc81e 1639 /* Inventec Symphony */
a8215b81
MG
1640 .matches = {
1641 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1642 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1643 },
39191698 1644 .callback = atkbd_setup_forced_release,
000c2a35 1645 .driver_data = atkbd_volume_forced_release_keys,
a8215b81 1646 },
4200844b 1647 {
c45fc81e 1648 /* Samsung NC10 */
4200844b
SH
1649 .matches = {
1650 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1651 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1652 },
39191698
DM
1653 .callback = atkbd_setup_forced_release,
1654 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1655 },
e04126c7 1656 {
c45fc81e 1657 /* Samsung NC20 */
e04126c7
BC
1658 .matches = {
1659 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1660 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1661 },
1662 .callback = atkbd_setup_forced_release,
1663 .driver_data = atkbd_samsung_forced_release_keys,
1664 },
157f3a3e 1665 {
c45fc81e 1666 /* Samsung SQ45S70S */
157f3a3e
DT
1667 .matches = {
1668 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1669 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1670 },
1671 .callback = atkbd_setup_forced_release,
1672 .driver_data = atkbd_samsung_forced_release_keys,
1673 },
adcb523e 1674 {
c45fc81e 1675 /* Fujitsu Amilo PA 1510 */
adcb523e
DM
1676 .matches = {
1677 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1678 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1679 },
1680 .callback = atkbd_setup_forced_release,
000c2a35 1681 .driver_data = atkbd_volume_forced_release_keys,
adcb523e 1682 },
f0a14de2 1683 {
c45fc81e 1684 /* Fujitsu Amilo Pi 3525 */
f0a14de2
SD
1685 .matches = {
1686 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1687 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1688 },
1689 .callback = atkbd_setup_forced_release,
1690 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1691 },
9166d0f6 1692 {
c45fc81e 1693 /* Fujitsu Amilo Xi 3650 */
9166d0f6
AB
1694 .matches = {
1695 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1696 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1697 },
1698 .callback = atkbd_setup_forced_release,
1699 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1700 },
032e46cb 1701 {
032e46cb
JY
1702 .matches = {
1703 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1704 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1705 },
1706 .callback = atkbd_setup_forced_release,
1707 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1708 },
e5713069 1709 {
c45fc81e 1710 /* OQO Model 01+ */
e5713069
JL
1711 .matches = {
1712 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
1713 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
1714 },
1715 .callback = atkbd_setup_scancode_fixup,
1716 .driver_data = atkbd_oqo_01plus_scancode_fixup,
1717 },
554101e3
GN
1718 { }
1719};
1da177e4
LT
1720
1721static int __init atkbd_init(void)
1722{
554101e3
GN
1723 dmi_check_system(atkbd_dmi_quirk_table);
1724
153a9df0 1725 return serio_register_driver(&atkbd_drv);
1da177e4
LT
1726}
1727
1728static void __exit atkbd_exit(void)
1729{
1730 serio_unregister_driver(&atkbd_drv);
1731}
1732
1733module_init(atkbd_init);
1734module_exit(atkbd_exit);