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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
[mirror_ubuntu-hirsute-kernel.git] / drivers / input / keyboard / atkbd.c
CommitLineData
d2912cb1 1// SPDX-License-Identifier: GPL-2.0-only
1da177e4
LT		 2/*
3 * AT and PS/2 keyboard driver
4 *
5 * Copyright (c) 1999-2002 Vojtech Pavlik
6 */
7
1da177e4
LT		 8
9/*
10 * This driver can handle standard AT keyboards and PS/2 keyboards in
11 * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb
12 * input-only controllers and AT keyboards connected over a one way RS232
13 * converter.
14 */
15
16#include <linux/delay.h>
17#include <linux/module.h>
1da177e4
LT		 18#include <linux/slab.h>
19#include <linux/interrupt.h>
20#include <linux/init.h>
21#include <linux/input.h>
22#include <linux/serio.h>
23#include <linux/workqueue.h>
24#include <linux/libps2.h>
33d3f07a 25#include <linux/mutex.h>
554101e3 26#include <linux/dmi.h>
1da177e4
LT		 27
28#define DRIVER_DESC "AT and PS/2 keyboard driver"
29
30MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
31MODULE_DESCRIPTION(DRIVER_DESC);
32MODULE_LICENSE("GPL");
33
34static int atkbd_set = 2;
35module_param_named(set, atkbd_set, int, 0);
36MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)");
37
38#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
a9a1f9c3 39static bool atkbd_reset;
1da177e4 40#else
a9a1f9c3 41static bool atkbd_reset = true;
1da177e4
LT		 42#endif
43module_param_named(reset, atkbd_reset, bool, 0);
44MODULE_PARM_DESC(reset, "Reset keyboard during initialization");
45
a9a1f9c3 46static bool atkbd_softrepeat;
1da177e4
LT		 47module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
48MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
49
a9a1f9c3 50static bool atkbd_softraw = true;
1da177e4
LT		 51module_param_named(softraw, atkbd_softraw, bool, 0);
52MODULE_PARM_DESC(softraw, "Use software generated rawmode");
53
a9a1f9c3 54static bool atkbd_scroll;
1da177e4
LT		 55module_param_named(scroll, atkbd_scroll, bool, 0);
56MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
57
a9a1f9c3 58static bool atkbd_extra;
1da177e4
LT		 59module_param_named(extra, atkbd_extra, bool, 0);
60MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
61
8c5188b6
BL		 62static bool atkbd_terminal;
63module_param_named(terminal, atkbd_terminal, bool, 0);
64MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
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 */
8c5188b6
BL		 139#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */
140#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */
1da177e4
LT		 141#define ATKBD_CMD_RESET_BAT 0x02ff
142#define ATKBD_CMD_RESEND 0x00fe
143#define ATKBD_CMD_EX_ENABLE 0x10ea
144#define ATKBD_CMD_EX_SETLEDS 0x20eb
145#define ATKBD_CMD_OK_GETID 0x02e8
146
147#define ATKBD_RET_ACK 0xfa
148#define ATKBD_RET_NAK 0xfe
149#define ATKBD_RET_BAT 0xaa
150#define ATKBD_RET_EMUL0 0xe0
151#define ATKBD_RET_EMUL1 0xe1
152#define ATKBD_RET_RELEASE 0xf0
0ae051a1
DT		 153#define ATKBD_RET_HANJA 0xf1
154#define ATKBD_RET_HANGEUL 0xf2
1da177e4
LT		 155#define ATKBD_RET_ERR 0xff
156
4b70858b 157#define ATKBD_KEY_UNKNOWN 0
1da177e4
LT		 158#define ATKBD_KEY_NULL 255
159
4b70858b
DT		 160#define ATKBD_SCR_1 0xfffe
161#define ATKBD_SCR_2 0xfffd
162#define ATKBD_SCR_4 0xfffc
163#define ATKBD_SCR_8 0xfffb
164#define ATKBD_SCR_CLICK 0xfffa
165#define ATKBD_SCR_LEFT 0xfff9
166#define ATKBD_SCR_RIGHT 0xfff8
1da177e4 167
f6d65610 168#define ATKBD_SPECIAL ATKBD_SCR_RIGHT
1da177e4 169
0d4c8597
DT		 170#define ATKBD_LED_EVENT_BIT 0
171#define ATKBD_REP_EVENT_BIT 1
172
0ae051a1
DT		 173#define ATKBD_XL_ERR 0x01
174#define ATKBD_XL_BAT 0x02
175#define ATKBD_XL_ACK 0x04
176#define ATKBD_XL_NAK 0x08
177#define ATKBD_XL_HANGEUL 0x10
178#define ATKBD_XL_HANJA 0x20
179
f6d65610 180static const struct {
4b70858b 181 unsigned short keycode;
1da177e4
LT		 182 unsigned char set2;
183} atkbd_scroll_keys[] = {
184 { ATKBD_SCR_1, 0xc5 },
5212dd58
VP		 185 { ATKBD_SCR_2, 0x9d },
186 { ATKBD_SCR_4, 0xa4 },
187 { ATKBD_SCR_8, 0x9b },
1da177e4
LT		 188 { ATKBD_SCR_CLICK, 0xe0 },
189 { ATKBD_SCR_LEFT, 0xcb },
190 { ATKBD_SCR_RIGHT, 0xd2 },
191};
192
193/*
194 * The atkbd control structure
195 */
196
197struct atkbd {
198
3c42f0c3
DT		 199 struct ps2dev ps2dev;
200 struct input_dev *dev;
1da177e4
LT		 201
202 /* Written only during init */
203 char name[64];
204 char phys[32];
1da177e4
LT		 205
206 unsigned short id;
1ba36e11
DT		 207 unsigned short keycode[ATKBD_KEYMAP_SIZE];
208 DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4 209 unsigned char set;
a9a1f9c3
DT		 210 bool translated;
211 bool extra;
212 bool write;
213 bool softrepeat;
214 bool softraw;
215 bool scroll;
216 bool enabled;
1da177e4
LT		 217
218 /* Accessed only from interrupt */
219 unsigned char emul;
a9a1f9c3
DT		 220 bool resend;
221 bool release;
0ae051a1 222 unsigned long xl_bit;
1da177e4
LT		 223 unsigned int last;
224 unsigned long time;
86255d9d 225 unsigned long err_count;
0d4c8597 226
da4249c9
DT		 227 struct delayed_work event_work;
228 unsigned long event_jiffies;
0d4c8597 229 unsigned long event_mask;
59b01513
EB		 230
231 /* Serializes reconnect(), attr->set() and event work */
232 struct mutex mutex;
1da177e4
LT		 233};
234
554101e3 235/*
36726dd9 236 * System-specific keymap fixup routine
554101e3 237 */
39191698
DM		 238static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
239static void *atkbd_platform_fixup_data;
e5713069 240static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
554101e3 241
3d725caa
SLS		 242/*
243 * Certain keyboards to not like ATKBD_CMD_RESET_DIS and stop responding
244 * to many commands until full reset (ATKBD_CMD_RESET_BAT) is performed.
245 */
246static bool atkbd_skip_deactivate;
247
1da177e4
LT		 248static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
249 ssize_t (*handler)(struct atkbd *, char *));
250static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
251 ssize_t (*handler)(struct atkbd *, const char *, size_t));
252#define ATKBD_DEFINE_ATTR(_name) \
253static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
254static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
86255d9d
DT		 255static ssize_t atkbd_do_show_##_name(struct device *d, \
256 struct device_attribute *attr, char *b) \
1da177e4
LT		 257{ \
258 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
259} \
86255d9d
DT		 260static ssize_t atkbd_do_set_##_name(struct device *d, \
261 struct device_attribute *attr, const char *b, size_t s) \
1da177e4
LT		 262{ \
263 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
264} \
d083e906 265static struct device_attribute atkbd_attr_##_name = \
1da177e4
LT		 266 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
267
268ATKBD_DEFINE_ATTR(extra);
1ba36e11 269ATKBD_DEFINE_ATTR(force_release);
1da177e4
LT		 270ATKBD_DEFINE_ATTR(scroll);
271ATKBD_DEFINE_ATTR(set);
272ATKBD_DEFINE_ATTR(softrepeat);
273ATKBD_DEFINE_ATTR(softraw);
274
86255d9d
DT		 275#define ATKBD_DEFINE_RO_ATTR(_name) \
276static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
277static ssize_t atkbd_do_show_##_name(struct device *d, \
278 struct device_attribute *attr, char *b) \
279{ \
280 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
281} \
282static struct device_attribute atkbd_attr_##_name = \
283 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
284
285ATKBD_DEFINE_RO_ATTR(err_count);
286
287static struct attribute *atkbd_attributes[] = {
288 &atkbd_attr_extra.attr,
1ba36e11 289 &atkbd_attr_force_release.attr,
86255d9d
DT		 290 &atkbd_attr_scroll.attr,
291 &atkbd_attr_set.attr,
292 &atkbd_attr_softrepeat.attr,
293 &atkbd_attr_softraw.attr,
294 &atkbd_attr_err_count.attr,
295 NULL
296};
297
298static struct attribute_group atkbd_attribute_group = {
299 .attrs = atkbd_attributes,
300};
301
0ae051a1
DT		 302static const unsigned int xl_table[] = {
303 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
304 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
305};
1da177e4 306
0ae051a1
DT		 307/*
308 * Checks if we should mangle the scancode to extract 'release' bit
309 * in translated mode.
310 */
a9a1f9c3 311static bool atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
1da177e4 312{
0ae051a1
DT		 313 int i;
314
315 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
a9a1f9c3 316 return false;
0ae051a1
DT		 317
318 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
319 if (code == xl_table[i])
320 return test_bit(i, &xl_bit);
321
a9a1f9c3 322 return true;
0ae051a1
DT		 323}
324
325/*
326 * Calculates new value of xl_bit so the driver can distinguish
327 * between make/break pair of scancodes for select keys and PS/2
328 * protocol responses.
329 */
330static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
331{
332 int i;
333
334 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
335 if (!((code ^ xl_table[i]) & 0x7f)) {
336 if (code & 0x80)
337 __clear_bit(i, &atkbd->xl_bit);
338 else
339 __set_bit(i, &atkbd->xl_bit);
340 break;
341 }
342 }
343}
344
345/*
346 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
347 * keeping kernel 2.4 compatibility for set 2
348 */
349static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
350{
351 if (atkbd->set == 3) {
352 if (atkbd->emul == 1)
353 code |= 0x100;
354 } else {
355 code = (code & 0x7f) | ((code & 0x80) << 1);
356 if (atkbd->emul == 1)
357 code |= 0x80;
358 }
359
360 return code;
1da177e4
LT		 361}
362
363/*
364 * atkbd_interrupt(). Here takes place processing of data received from
365 * the keyboard into events.
366 */
367
368static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
a9a1f9c3 369 unsigned int flags)
1da177e4
LT		 370{
371 struct atkbd *atkbd = serio_get_drvdata(serio);
0ae051a1 372 struct input_dev *dev = atkbd->dev;
1da177e4 373 unsigned int code = data;
554101e3 374 int scroll = 0, hscroll = 0, click = -1;
1da177e4 375 int value;
f6d65610 376 unsigned short keycode;
1da177e4 377
a9a1f9c3 378 dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags);
1da177e4
LT		 379
380#if !defined(__i386__) && !defined (__x86_64__)
381 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
a9a1f9c3 382 dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags);
1da177e4 383 serio_write(serio, ATKBD_CMD_RESEND);
a9a1f9c3 384 atkbd->resend = true;
1da177e4
LT		 385 goto out;
386 }
387
388 if (!flags && data == ATKBD_RET_ACK)
a9a1f9c3 389 atkbd->resend = false;
1da177e4
LT		 390#endif
391
392 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
393 if (ps2_handle_ack(&atkbd->ps2dev, data))
394 goto out;
395
396 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
397 if (ps2_handle_response(&atkbd->ps2dev, data))
398 goto out;
399
aaca981e
DT		 400 pm_wakeup_event(&serio->dev, 0);
401
1da177e4
LT		 402 if (!atkbd->enabled)
403 goto out;
404
0ae051a1 405 input_event(dev, EV_MSC, MSC_RAW, code);
1da177e4 406
e5713069
JL		 407 if (atkbd_platform_scancode_fixup)
408 code = atkbd_platform_scancode_fixup(atkbd, code);
409
1da177e4
LT		 410 if (atkbd->translated) {
411
0ae051a1 412 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
1da177e4
LT		 413 atkbd->release = code >> 7;
414 code &= 0x7f;
415 }
416
0ae051a1
DT		 417 if (!atkbd->emul)
418 atkbd_calculate_xl_bit(atkbd, data);
1da177e4
LT		 419 }
420
421 switch (code) {
a9a1f9c3
DT		 422 case ATKBD_RET_BAT:
423 atkbd->enabled = false;
424 serio_reconnect(atkbd->ps2dev.serio);
425 goto out;
426 case ATKBD_RET_EMUL0:
427 atkbd->emul = 1;
428 goto out;
429 case ATKBD_RET_EMUL1:
430 atkbd->emul = 2;
431 goto out;
432 case ATKBD_RET_RELEASE:
433 atkbd->release = true;
434 goto out;
435 case ATKBD_RET_ACK:
436 case ATKBD_RET_NAK:
437 if (printk_ratelimit())
438 dev_warn(&serio->dev,
439 "Spurious %s on %s. "
f57fe78e 440 "Some program might be trying to access hardware directly.\n",
a9a1f9c3
DT		 441 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
442 goto out;
443 case ATKBD_RET_ERR:
444 atkbd->err_count++;
445 dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n",
446 serio->phys);
447 goto out;
1da177e4
LT		 448 }
449
0ae051a1
DT		 450 code = atkbd_compat_scancode(atkbd, code);
451
452 if (atkbd->emul && --atkbd->emul)
453 goto out;
454
455 keycode = atkbd->keycode[code];
1da177e4 456
5447326f
SB		 457 if (!(atkbd->release && test_bit(code, atkbd->force_release_mask)))
458 if (keycode != ATKBD_KEY_NULL)
459 input_event(dev, EV_MSC, MSC_SCAN, code);
1da177e4 460
0ae051a1 461 switch (keycode) {
a9a1f9c3
DT		 462 case ATKBD_KEY_NULL:
463 break;
464 case ATKBD_KEY_UNKNOWN:
465 dev_warn(&serio->dev,
466 "Unknown key %s (%s set %d, code %#x on %s).\n",
467 atkbd->release ? "released" : "pressed",
468 atkbd->translated ? "translated" : "raw",
469 atkbd->set, code, serio->phys);
470 dev_warn(&serio->dev,
471 "Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
472 code & 0x80 ? "e0" : "", code & 0x7f);
473 input_sync(dev);
474 break;
475 case ATKBD_SCR_1:
476 scroll = 1;
477 break;
478 case ATKBD_SCR_2:
479 scroll = 2;
480 break;
481 case ATKBD_SCR_4:
482 scroll = 4;
483 break;
484 case ATKBD_SCR_8:
485 scroll = 8;
486 break;
487 case ATKBD_SCR_CLICK:
488 click = !atkbd->release;
489 break;
490 case ATKBD_SCR_LEFT:
491 hscroll = -1;
492 break;
493 case ATKBD_SCR_RIGHT:
494 hscroll = 1;
495 break;
496 default:
497 if (atkbd->release) {
498 value = 0;
499 atkbd->last = 0;
500 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
501 /* Workaround Toshiba laptop multiple keypress */
502 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
503 } else {
504 value = 1;
505 atkbd->last = code;
506 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
507 }
508
509 input_event(dev, EV_KEY, keycode, value);
510 input_sync(dev);
0ae051a1 511
a9a1f9c3 512 if (value && test_bit(code, atkbd->force_release_mask)) {
5447326f 513 input_event(dev, EV_MSC, MSC_SCAN, code);
a9a1f9c3
DT		 514 input_report_key(dev, keycode, 0);
515 input_sync(dev);
516 }
1da177e4
LT		 517 }
518
519 if (atkbd->scroll) {
1da177e4 520 if (click != -1)
0ae051a1 521 input_report_key(dev, BTN_MIDDLE, click);
a9a1f9c3
DT		 522 input_report_rel(dev, REL_WHEEL,
523 atkbd->release ? -scroll : scroll);
0ae051a1
DT		 524 input_report_rel(dev, REL_HWHEEL, hscroll);
525 input_sync(dev);
1da177e4
LT		 526 }
527
a9a1f9c3 528 atkbd->release = false;
1da177e4
LT		 529out:
530 return IRQ_HANDLED;
531}
532
3d0f0fa0 533static int atkbd_set_repeat_rate(struct atkbd *atkbd)
1da177e4 534{
1da177e4
LT		 535 const short period[32] =
536 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
537 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
538 const short delay[4] =
539 { 250, 500, 750, 1000 };
0d4c8597 540
3d0f0fa0
DT		 541 struct input_dev *dev = atkbd->dev;
542 unsigned char param;
543 int i = 0, j = 0;
544
545 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
546 i++;
547 dev->rep[REP_PERIOD] = period[i];
548
8ea371fb 549 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
3d0f0fa0
DT		 550 j++;
551 dev->rep[REP_DELAY] = delay[j];
552
553 param = i | (j << 5);
554 return ps2_command(&atkbd->ps2dev, &param, ATKBD_CMD_SETREP);
555}
556
557static int atkbd_set_leds(struct atkbd *atkbd)
558{
0d4c8597 559 struct input_dev *dev = atkbd->dev;
1da177e4 560 unsigned char param[2];
1da177e4 561
3d0f0fa0
DT		 562 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
563 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
564 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
565 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
566 return -1;
0d4c8597 567
3d0f0fa0
DT		 568 if (atkbd->extra) {
569 param[0] = 0;
570 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
571 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
572 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
573 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
574 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
575 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
576 return -1;
0d4c8597
DT		 577 }
578
3d0f0fa0
DT		 579 return 0;
580}
581
582/*
583 * atkbd_event_work() is used to complete processing of events that
584 * can not be processed by input_event() which is often called from
585 * interrupt context.
586 */
587
65f27f38 588static void atkbd_event_work(struct work_struct *work)
3d0f0fa0 589{
da4249c9 590 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
3d0f0fa0 591
59b01513 592 mutex_lock(&atkbd->mutex);
3d0f0fa0 593
94dfb0d6
DT		 594 if (!atkbd->enabled) {
595 /*
596 * Serio ports are resumed asynchronously so while driver core
597 * thinks that device is already fully operational in reality
598 * it may not be ready yet. In this case we need to keep
599 * rescheduling till reconnect completes.
600 */
601 schedule_delayed_work(&atkbd->event_work,
602 msecs_to_jiffies(100));
603 } else {
604 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
605 atkbd_set_leds(atkbd);
606
607 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
608 atkbd_set_repeat_rate(atkbd);
609 }
0d4c8597 610
59b01513 611 mutex_unlock(&atkbd->mutex);
0d4c8597
DT		 612}
613
da4249c9
DT		 614/*
615 * Schedule switch for execution. We need to throttle requests,
616 * otherwise keyboard may become unresponsive.
617 */
618static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
619{
620 unsigned long delay = msecs_to_jiffies(50);
621
622 if (time_after(jiffies, atkbd->event_jiffies + delay))
623 delay = 0;
624
625 atkbd->event_jiffies = jiffies;
626 set_bit(event_bit, &atkbd->event_mask);
59b01513 627 mb();
da4249c9
DT		 628 schedule_delayed_work(&atkbd->event_work, delay);
629}
630
0d4c8597
DT		 631/*
632 * Event callback from the input module. Events that change the state of
633 * the hardware are processed here. If action can not be performed in
634 * interrupt context it is offloaded to atkbd_event_work.
635 */
636
da4249c9
DT		 637static int atkbd_event(struct input_dev *dev,
638 unsigned int type, unsigned int code, int value)
0d4c8597 639{
b356872f 640 struct atkbd *atkbd = input_get_drvdata(dev);
0d4c8597 641
1da177e4
LT		 642 if (!atkbd->write)
643 return -1;
644
645 switch (type) {
646
a9a1f9c3
DT		 647 case EV_LED:
648 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
649 return 0;
1da177e4 650
a9a1f9c3
DT		 651 case EV_REP:
652 if (!atkbd->softrepeat)
653 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
654 return 0;
1da177e4 655
a9a1f9c3
DT		 656 default:
657 return -1;
658 }
1da177e4
LT		 659}
660
661/*
662 * atkbd_enable() signals that interrupt handler is allowed to
663 * generate input events.
664 */
665
666static inline void atkbd_enable(struct atkbd *atkbd)
667{
668 serio_pause_rx(atkbd->ps2dev.serio);
a9a1f9c3 669 atkbd->enabled = true;
1da177e4
LT		 670 serio_continue_rx(atkbd->ps2dev.serio);
671}
672
673/*
674 * atkbd_disable() tells input handler that all incoming data except
675 * for ACKs and command response should be dropped.
676 */
677
678static inline void atkbd_disable(struct atkbd *atkbd)
679{
680 serio_pause_rx(atkbd->ps2dev.serio);
a9a1f9c3 681 atkbd->enabled = false;
1da177e4
LT		 682 serio_continue_rx(atkbd->ps2dev.serio);
683}
684
be2d7e42
SN		 685static int atkbd_activate(struct atkbd *atkbd)
686{
687 struct ps2dev *ps2dev = &atkbd->ps2dev;
688
689/*
690 * Enable the keyboard to receive keystrokes.
691 */
692
693 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
694 dev_err(&ps2dev->serio->dev,
695 "Failed to enable keyboard on %s\n",
696 ps2dev->serio->phys);
697 return -1;
698 }
699
700 return 0;
701}
702
703/*
704 * atkbd_deactivate() resets and disables the keyboard from sending
705 * keystrokes.
706 */
707
708static void atkbd_deactivate(struct atkbd *atkbd)
709{
710 struct ps2dev *ps2dev = &atkbd->ps2dev;
711
712 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_DIS))
713 dev_err(&ps2dev->serio->dev,
714 "Failed to deactivate keyboard on %s\n",
715 ps2dev->serio->phys);
716}
717
1da177e4
LT		 718/*
719 * atkbd_probe() probes for an AT keyboard on a serio port.
720 */
721
722static int atkbd_probe(struct atkbd *atkbd)
723{
724 struct ps2dev *ps2dev = &atkbd->ps2dev;
725 unsigned char param[2];
726
727/*
728 * Some systems, where the bit-twiddling when testing the io-lines of the
729 * controller may confuse the keyboard need a full reset of the keyboard. On
730 * these systems the BIOS also usually doesn't do it for us.
731 */
732
733 if (atkbd_reset)
734 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
a9a1f9c3
DT		 735 dev_warn(&ps2dev->serio->dev,
736 "keyboard reset failed on %s\n",
737 ps2dev->serio->phys);
1da177e4
LT		 738
739/*
740 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
741 * Some keyboards report different values, but the first byte is always 0xab or
742 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
743 * should make sure we don't try to set the LEDs on it.
744 */
745
746 param[0] = param[1] = 0xa5; /* initialize with invalid values */
747 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
748
749/*
750 * If the get ID command failed, we check if we can at least set the LEDs on
751 * the keyboard. This should work on every keyboard out there. It also turns
752 * the LEDs off, which we want anyway.
753 */
754 param[0] = 0;
755 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
756 return -1;
757 atkbd->id = 0xabba;
758 return 0;
759 }
760
9807879b 761 if (!ps2_is_keyboard_id(param[0]))
1da177e4
LT		 762 return -1;
763
764 atkbd->id = (param[0] << 8) | param[1];
765
766 if (atkbd->id == 0xaca1 && atkbd->translated) {
a9a1f9c3 767 dev_err(&ps2dev->serio->dev,
236d6a77 768 "NCD terminal keyboards are only supported on non-translating controllers. "
a9a1f9c3 769 "Use i8042.direct=1 to disable translation.\n");
1da177e4
LT		 770 return -1;
771 }
772
be2d7e42
SN		 773/*
774 * Make sure nothing is coming from the keyboard and disturbs our
775 * internal state.
776 */
3d725caa
SLS		 777 if (!atkbd_skip_deactivate)
778 atkbd_deactivate(atkbd);
be2d7e42 779
1da177e4
LT		 780 return 0;
781}
782
783/*
784 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
785 * sets it into that. Unfortunately there are keyboards that can be switched
786 * to Set 3, but don't work well in that (BTC Multimedia ...)
787 */
788
789static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
790{
791 struct ps2dev *ps2dev = &atkbd->ps2dev;
792 unsigned char param[2];
793
a9a1f9c3 794 atkbd->extra = false;
1da177e4
LT		 795/*
796 * For known special keyboards we can go ahead and set the correct set.
797 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
798 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
799 */
800
801 if (atkbd->translated)
802 return 2;
803
804 if (atkbd->id == 0xaca1) {
805 param[0] = 3;
806 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
807 return 3;
808 }
809
810 if (allow_extra) {
811 param[0] = 0x71;
812 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
a9a1f9c3 813 atkbd->extra = true;
1da177e4
LT		 814 return 2;
815 }
816 }
817
8c5188b6
BL		 818 if (atkbd_terminal) {
819 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB);
820 return 3;
821 }
822
1da177e4
LT		 823 if (target_set != 3)
824 return 2;
825
826 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
827 atkbd->id = param[0] << 8 | param[1];
828 return 2;
829 }
830
831 param[0] = 3;
832 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
833 return 2;
834
835 param[0] = 0;
836 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
837 return 2;
838
839 if (param[0] != 3) {
840 param[0] = 2;
841 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
e94b9f12 842 return 2;
1da177e4
LT		 843 }
844
845 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
846
847 return 3;
848}
849
fc0eb28c
DT		 850static int atkbd_reset_state(struct atkbd *atkbd)
851{
852 struct ps2dev *ps2dev = &atkbd->ps2dev;
853 unsigned char param[1];
854
855/*
856 * Set the LEDs to a predefined state (all off).
857 */
858
859 param[0] = 0;
860 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
861 return -1;
862
863/*
864 * Set autorepeat to fastest possible.
865 */
866
867 param[0] = 0;
868 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
869 return -1;
870
871 return 0;
872}
873
1da177e4
LT		 874/*
875 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
876 * reboot.
877 */
878
879static void atkbd_cleanup(struct serio *serio)
880{
881 struct atkbd *atkbd = serio_get_drvdata(serio);
57f5b159
DT		 882
883 atkbd_disable(atkbd);
4a299bf5 884 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
1da177e4
LT		 885}
886
887
888/*
889 * atkbd_disconnect() closes and frees.
890 */
891
892static void atkbd_disconnect(struct serio *serio)
893{
894 struct atkbd *atkbd = serio_get_drvdata(serio);
895
59b01513
EB		 896 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
897
1da177e4
LT		 898 atkbd_disable(atkbd);
899
0ef7a26a
DT		 900 input_unregister_device(atkbd->dev);
901
902 /*
903 * Make sure we don't have a command in flight.
904 * Note that since atkbd->enabled is false event work will keep
905 * rescheduling itself until it gets canceled and will not try
906 * accessing freed input device or serio port.
907 */
d6d79a78 908 cancel_delayed_work_sync(&atkbd->event_work);
1da177e4 909
1da177e4
LT		 910 serio_close(serio);
911 serio_set_drvdata(serio, NULL);
912 kfree(atkbd);
913}
914
554101e3 915/*
39191698 916 * generate release events for the keycodes given in data
554101e3 917 */
39191698
DM		 918static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
919 const void *data)
554101e3 920{
39191698
DM		 921 const unsigned int *keys = data;
922 unsigned int i;
554101e3
GN		 923
924 if (atkbd->set == 2)
39191698
DM		 925 for (i = 0; keys[i] != -1U; i++)
926 __set_bit(keys[i], atkbd->force_release_mask);
554101e3 927}
1da177e4 928
39191698
DM		 929/*
930 * Most special keys (Fn+F?) on Dell laptops do not generate release
931 * events so we have to do it ourselves.
932 */
933static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
934 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
935};
936
5a54c011
JK		 937/*
938 * Perform fixup for HP system that doesn't generate release
939 * for its video switch
940 */
39191698
DM		 941static unsigned int atkbd_hp_forced_release_keys[] = {
942 0x94, -1U
943};
5a54c011 944
4200844b 945/*
e04126c7 946 * Samsung NC10,NC20 with Fn+F? key release not working
4200844b 947 */
39191698
DM		 948static unsigned int atkbd_samsung_forced_release_keys[] = {
949 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
950};
4200844b 951
f0a14de2
SD		 952/*
953 * Amilo Pi 3525 key release for Fn+Volume keys not working
954 */
955static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
956 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
957};
958
9166d0f6
AB		 959/*
960 * Amilo Xi 3650 key release for light touch bar not working
961 */
962static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
963 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
964};
965
032e46cb
JY		 966/*
967 * Soltech TA12 system with broken key release on volume keys and mute key
968 */
969static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
970 0xa0, 0xae, 0xb0, -1U
971};
972
000c2a35
HRK		 973/*
974 * Many notebooks don't send key release event for volume up/down
975 * keys, with key list below common among them
976 */
977static unsigned int atkbd_volume_forced_release_keys[] = {
978 0xae, 0xb0, -1U
979};
980
e5713069
JL		 981/*
982 * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
983 * they should be generating e4-e6 (0x80 | code).
984 */
985static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
986 unsigned int code)
987{
988 if (atkbd->translated && atkbd->emul == 1 &&
989 (code == 0x64 || code == 0x65 || code == 0x66)) {
990 atkbd->emul = 0;
991 code |= 0x80;
992 }
993
994 return code;
995}
996
1da177e4 997/*
3c42f0c3 998 * atkbd_set_keycode_table() initializes keyboard's keycode table
1da177e4
LT		 999 * according to the selected scancode set
1000 */
1001
1002static void atkbd_set_keycode_table(struct atkbd *atkbd)
1003{
554101e3 1004 unsigned int scancode;
1da177e4
LT		 1005 int i, j;
1006
1007 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1ba36e11 1008 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1da177e4
LT		 1009
1010 if (atkbd->translated) {
1011 for (i = 0; i < 128; i++) {
554101e3
GN		 1012 scancode = atkbd_unxlate_table[i];
1013 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
1014 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1da177e4
LT		 1015 if (atkbd->scroll)
1016 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
554101e3 1017 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1da177e4
LT		 1018 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
1019 }
1020 } else if (atkbd->set == 3) {
1021 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
1022 } else {
1023 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
1024
1025 if (atkbd->scroll)
554101e3
GN		 1026 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
1027 scancode = atkbd_scroll_keys[i].set2;
1028 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
1029 }
1da177e4 1030 }
0ae051a1 1031
554101e3
GN		 1032/*
1033 * HANGEUL and HANJA keys do not send release events so we need to
1034 * generate such events ourselves
1035 */
1036 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
1037 atkbd->keycode[scancode] = KEY_HANGEUL;
1038 __set_bit(scancode, atkbd->force_release_mask);
1039
1040 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
1041 atkbd->keycode[scancode] = KEY_HANJA;
1042 __set_bit(scancode, atkbd->force_release_mask);
1043
1044/*
1045 * Perform additional fixups
1046 */
1047 if (atkbd_platform_fixup)
39191698 1048 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1da177e4
LT		 1049}
1050
1051/*
1052 * atkbd_set_device_attrs() sets up keyboard's input device structure
1053 */
1054
1055static void atkbd_set_device_attrs(struct atkbd *atkbd)
1056{
3c42f0c3 1057 struct input_dev *input_dev = atkbd->dev;
1da177e4
LT		 1058 int i;
1059
3c42f0c3 1060 if (atkbd->extra)
ea08c6fa
DT		 1061 snprintf(atkbd->name, sizeof(atkbd->name),
1062 "AT Set 2 Extra keyboard");
3c42f0c3 1063 else
ea08c6fa
DT		 1064 snprintf(atkbd->name, sizeof(atkbd->name),
1065 "AT %s Set %d keyboard",
1066 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1da177e4 1067
ea08c6fa
DT		 1068 snprintf(atkbd->phys, sizeof(atkbd->phys),
1069 "%s/input0", atkbd->ps2dev.serio->phys);
1da177e4 1070
3c42f0c3
DT		 1071 input_dev->name = atkbd->name;
1072 input_dev->phys = atkbd->phys;
1073 input_dev->id.bustype = BUS_I8042;
1074 input_dev->id.vendor = 0x0001;
1075 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1076 input_dev->id.version = atkbd->id;
1077 input_dev->event = atkbd_event;
469ba4df 1078 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1da177e4 1079
b356872f
DT		 1080 input_set_drvdata(input_dev, atkbd);
1081
7b19ada2
JS		 1082 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1083 BIT_MASK(EV_MSC);
1da177e4
LT		 1084
1085 if (atkbd->write) {
7b19ada2
JS		 1086 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1087 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1088 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1da177e4
LT		 1089 }
1090
1091 if (atkbd->extra)
7b19ada2
JS		 1092 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1093 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1094 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1da177e4
LT		 1095
1096 if (!atkbd->softrepeat) {
3c42f0c3
DT		 1097 input_dev->rep[REP_DELAY] = 250;
1098 input_dev->rep[REP_PERIOD] = 33;
1da177e4
LT		 1099 }
1100
7b19ada2
JS		 1101 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1102 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1da177e4
LT		 1103
1104 if (atkbd->scroll) {
7b19ada2
JS		 1105 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1106 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1107 BIT_MASK(REL_HWHEEL);
f6d65610 1108 __set_bit(BTN_MIDDLE, input_dev->keybit);
1da177e4
LT		 1109 }
1110
3c42f0c3 1111 input_dev->keycode = atkbd->keycode;
f6d65610 1112 input_dev->keycodesize = sizeof(unsigned short);
3c42f0c3 1113 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1da177e4 1114
4b70858b
DT		 1115 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) {
1116 if (atkbd->keycode[i] != KEY_RESERVED &&
1117 atkbd->keycode[i] != ATKBD_KEY_NULL &&
1118 atkbd->keycode[i] < ATKBD_SPECIAL) {
f6d65610 1119 __set_bit(atkbd->keycode[i], input_dev->keybit);
4b70858b
DT		 1120 }
1121 }
1da177e4
LT		 1122}
1123
1124/*
1125 * atkbd_connect() is called when the serio module finds an interface
1126 * that isn't handled yet by an appropriate device driver. We check if
1127 * there is an AT keyboard out there and if yes, we register ourselves
1128 * to the input module.
1129 */
1130
1131static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1132{
1133 struct atkbd *atkbd;
3c42f0c3
DT		 1134 struct input_dev *dev;
1135 int err = -ENOMEM;
1da177e4 1136
3c42f0c3
DT		 1137 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1138 dev = input_allocate_device();
1139 if (!atkbd || !dev)
2b03b60e 1140 goto fail1;
1da177e4 1141
3c42f0c3 1142 atkbd->dev = dev;
1da177e4 1143 ps2_init(&atkbd->ps2dev, serio);
da4249c9 1144 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
59b01513 1145 mutex_init(&atkbd->mutex);
1da177e4
LT		 1146
1147 switch (serio->id.type) {
1148
a9a1f9c3
DT		 1149 case SERIO_8042_XL:
1150 atkbd->translated = true;
1151 /* Fall through */
1152
1153 case SERIO_8042:
1154 if (serio->write)
1155 atkbd->write = true;
1156 break;
1da177e4
LT		 1157 }
1158
1159 atkbd->softraw = atkbd_softraw;
1160 atkbd->softrepeat = atkbd_softrepeat;
1161 atkbd->scroll = atkbd_scroll;
1162
1da177e4 1163 if (atkbd->softrepeat)
a9a1f9c3 1164 atkbd->softraw = true;
1da177e4
LT		 1165
1166 serio_set_drvdata(serio, atkbd);
1167
1168 err = serio_open(serio, drv);
3c42f0c3 1169 if (err)
2b03b60e 1170 goto fail2;
1da177e4
LT		 1171
1172 if (atkbd->write) {
1173
1174 if (atkbd_probe(atkbd)) {
3c42f0c3 1175 err = -ENODEV;
2b03b60e 1176 goto fail3;
1da177e4
LT		 1177 }
1178
1179 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
fc0eb28c 1180 atkbd_reset_state(atkbd);
1da177e4
LT		 1181
1182 } else {
1183 atkbd->set = 2;
1184 atkbd->id = 0xab00;
1185 }
1186
1da177e4
LT		 1187 atkbd_set_keycode_table(atkbd);
1188 atkbd_set_device_attrs(atkbd);
1189
2b03b60e
DT		 1190 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1191 if (err)
1192 goto fail3;
1da177e4
LT		 1193
1194 atkbd_enable(atkbd);
be2d7e42
SN		 1195 if (serio->write)
1196 atkbd_activate(atkbd);
1da177e4 1197
2b03b60e
DT		 1198 err = input_register_device(atkbd->dev);
1199 if (err)
1200 goto fail4;
1da177e4
LT		 1201
1202 return 0;
3c42f0c3 1203
2b03b60e
DT		 1204 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1205 fail3: serio_close(serio);
1206 fail2: serio_set_drvdata(serio, NULL);
1207 fail1: input_free_device(dev);
3c42f0c3
DT		 1208 kfree(atkbd);
1209 return err;
1da177e4
LT		 1210}
1211
1212/*
1213 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1214 * most likely called on resume.
1215 */
1216
1217static int atkbd_reconnect(struct serio *serio)
1218{
1219 struct atkbd *atkbd = serio_get_drvdata(serio);
1220 struct serio_driver *drv = serio->drv;
59b01513 1221 int retval = -1;
1da177e4
LT		 1222
1223 if (!atkbd || !drv) {
a9a1f9c3
DT		 1224 dev_dbg(&serio->dev,
1225 "reconnect request, but serio is disconnected, ignoring...\n");
1da177e4
LT		 1226 return -1;
1227 }
1228
59b01513
EB		 1229 mutex_lock(&atkbd->mutex);
1230
1da177e4
LT		 1231 atkbd_disable(atkbd);
1232
1233 if (atkbd->write) {
1da177e4 1234 if (atkbd_probe(atkbd))
59b01513
EB		 1235 goto out;
1236
1da177e4 1237 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
59b01513 1238 goto out;
1da177e4 1239
d4119bda
DT		 1240 /*
1241 * Restore LED state and repeat rate. While input core
1242 * will do this for us at resume time reconnect may happen
1243 * because user requested it via sysfs or simply because
1244 * keyboard was unplugged and plugged in again so we need
1245 * to do it ourselves here.
1246 */
1247 atkbd_set_leds(atkbd);
1248 if (!atkbd->softrepeat)
1249 atkbd_set_repeat_rate(atkbd);
1250
1da177e4
LT		 1251 }
1252
be2d7e42
SN		 1253 /*
1254 * Reset our state machine in case reconnect happened in the middle
1255 * of multi-byte scancode.
1256 */
1257 atkbd->xl_bit = 0;
1258 atkbd->emul = 0;
1259
1da177e4 1260 atkbd_enable(atkbd);
be2d7e42
SN		 1261 if (atkbd->write)
1262 atkbd_activate(atkbd);
1263
59b01513 1264 retval = 0;
1da177e4 1265
59b01513
EB		 1266 out:
1267 mutex_unlock(&atkbd->mutex);
1268 return retval;
1da177e4
LT		 1269}
1270
af2e7d77 1271static const struct serio_device_id atkbd_serio_ids[] = {
1da177e4
LT		 1272 {
1273 .type = SERIO_8042,
1274 .proto = SERIO_ANY,
1275 .id = SERIO_ANY,
1276 .extra = SERIO_ANY,
1277 },
1278 {
1279 .type = SERIO_8042_XL,
1280 .proto = SERIO_ANY,
1281 .id = SERIO_ANY,
1282 .extra = SERIO_ANY,
1283 },
1284 {
1285 .type = SERIO_RS232,
1286 .proto = SERIO_PS2SER,
1287 .id = SERIO_ANY,
1288 .extra = SERIO_ANY,
1289 },
1290 { 0 }
1291};
1292
1293MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1294
1295static struct serio_driver atkbd_drv = {
1296 .driver = {
1297 .name = "atkbd",
1298 },
1299 .description = DRIVER_DESC,
1300 .id_table = atkbd_serio_ids,
1301 .interrupt = atkbd_interrupt,
1302 .connect = atkbd_connect,
1303 .reconnect = atkbd_reconnect,
1304 .disconnect = atkbd_disconnect,
1305 .cleanup = atkbd_cleanup,
1306};
1307
1308static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1309 ssize_t (*handler)(struct atkbd *, char *))
1310{
1311 struct serio *serio = to_serio_port(dev);
59b01513 1312 struct atkbd *atkbd = serio_get_drvdata(serio);
1da177e4 1313
59b01513 1314 return handler(atkbd, buf);
1da177e4
LT		 1315}
1316
1317static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1318 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1319{
1320 struct serio *serio = to_serio_port(dev);
59b01513 1321 struct atkbd *atkbd = serio_get_drvdata(serio);
1da177e4
LT		 1322 int retval;
1323
59b01513 1324 retval = mutex_lock_interruptible(&atkbd->mutex);
1da177e4
LT		 1325 if (retval)
1326 return retval;
1327
1da177e4
LT		 1328 atkbd_disable(atkbd);
1329 retval = handler(atkbd, buf, count);
1330 atkbd_enable(atkbd);
1331
59b01513
EB		 1332 mutex_unlock(&atkbd->mutex);
1333
1da177e4
LT		 1334 return retval;
1335}
1336
1337static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1338{
1339 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1340}
1341
1342static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1343{
2b03b60e 1344 struct input_dev *old_dev, *new_dev;
76496e7a 1345 unsigned int value;
2b03b60e 1346 int err;
a9a1f9c3
DT		 1347 bool old_extra;
1348 unsigned char old_set;
1da177e4
LT		 1349
1350 if (!atkbd->write)
1351 return -EIO;
1352
76496e7a
JD		 1353 err = kstrtouint(buf, 10, &value);
1354 if (err)
1355 return err;
1356
1357 if (value > 1)
1da177e4
LT		 1358 return -EINVAL;
1359
1360 if (atkbd->extra != value) {
3c42f0c3
DT		 1361 /*
1362 * Since device's properties will change we need to
2b03b60e
DT		 1363 * unregister old device. But allocate and register
1364 * new one first to make sure we have it.
3c42f0c3 1365 */
2b03b60e
DT		 1366 old_dev = atkbd->dev;
1367 old_extra = atkbd->extra;
1368 old_set = atkbd->set;
1369
1370 new_dev = input_allocate_device();
1371 if (!new_dev)
3c42f0c3 1372 return -ENOMEM;
2b03b60e 1373
3c42f0c3 1374 atkbd->dev = new_dev;
1da177e4 1375 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
fc0eb28c 1376 atkbd_reset_state(atkbd);
1da177e4 1377 atkbd_activate(atkbd);
2b03b60e 1378 atkbd_set_keycode_table(atkbd);
1da177e4 1379 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1380
1381 err = input_register_device(atkbd->dev);
1382 if (err) {
1383 input_free_device(new_dev);
1384
1385 atkbd->dev = old_dev;
1386 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1387 atkbd_set_keycode_table(atkbd);
1388 atkbd_set_device_attrs(atkbd);
1389
1390 return err;
1391 }
1392 input_unregister_device(old_dev);
1393
1da177e4
LT		 1394 }
1395 return count;
1396}
1397
1ba36e11
DT		 1398static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1399{
0b480037
TH		 1400 size_t len = scnprintf(buf, PAGE_SIZE - 1, "%*pbl",
1401 ATKBD_KEYMAP_SIZE, atkbd->force_release_mask);
1ba36e11
DT		 1402
1403 buf[len++] = '\n';
1404 buf[len] = '\0';
1405
1406 return len;
1407}
1408
1409static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1410 const char *buf, size_t count)
1411{
1412 /* 64 bytes on stack should be acceptable */
1413 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1414 int err;
1415
1416 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1417 if (err)
1418 return err;
1419
1420 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1421 return count;
1422}
1423
1424
1da177e4
LT		 1425static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1426{
1427 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1428}
1429
1430static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1431{
2b03b60e 1432 struct input_dev *old_dev, *new_dev;
76496e7a 1433 unsigned int value;
2b03b60e 1434 int err;
a9a1f9c3 1435 bool old_scroll;
1da177e4 1436
76496e7a
JD		 1437 err = kstrtouint(buf, 10, &value);
1438 if (err)
1439 return err;
1440
1441 if (value > 1)
1da177e4
LT		 1442 return -EINVAL;
1443
1444 if (atkbd->scroll != value) {
2b03b60e
DT		 1445 old_dev = atkbd->dev;
1446 old_scroll = atkbd->scroll;
1447
1448 new_dev = input_allocate_device();
1449 if (!new_dev)
3c42f0c3 1450 return -ENOMEM;
2b03b60e 1451
3c42f0c3 1452 atkbd->dev = new_dev;
1da177e4
LT		 1453 atkbd->scroll = value;
1454 atkbd_set_keycode_table(atkbd);
1455 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1456
1457 err = input_register_device(atkbd->dev);
1458 if (err) {
1459 input_free_device(new_dev);
1460
1461 atkbd->scroll = old_scroll;
1462 atkbd->dev = old_dev;
1463 atkbd_set_keycode_table(atkbd);
1464 atkbd_set_device_attrs(atkbd);
1465
1466 return err;
1467 }
1468 input_unregister_device(old_dev);
1da177e4
LT		 1469 }
1470 return count;
1471}
1472
1473static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1474{
1475 return sprintf(buf, "%d\n", atkbd->set);
1476}
1477
1478static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1479{
2b03b60e 1480 struct input_dev *old_dev, *new_dev;
76496e7a 1481 unsigned int value;
2b03b60e 1482 int err;
a9a1f9c3
DT		 1483 unsigned char old_set;
1484 bool old_extra;
1da177e4
LT		 1485
1486 if (!atkbd->write)
1487 return -EIO;
1488
76496e7a
JD		 1489 err = kstrtouint(buf, 10, &value);
1490 if (err)
1491 return err;
1492
1493 if (value != 2 && value != 3)
1da177e4
LT		 1494 return -EINVAL;
1495
1496 if (atkbd->set != value) {
2b03b60e
DT		 1497 old_dev = atkbd->dev;
1498 old_extra = atkbd->extra;
1499 old_set = atkbd->set;
1500
1501 new_dev = input_allocate_device();
1502 if (!new_dev)
3c42f0c3 1503 return -ENOMEM;
2b03b60e 1504
3c42f0c3 1505 atkbd->dev = new_dev;
1da177e4 1506 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
d4119bda 1507 atkbd_reset_state(atkbd);
1da177e4
LT		 1508 atkbd_activate(atkbd);
1509 atkbd_set_keycode_table(atkbd);
1510 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1511
1512 err = input_register_device(atkbd->dev);
1513 if (err) {
1514 input_free_device(new_dev);
1515
1516 atkbd->dev = old_dev;
1517 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1518 atkbd_set_keycode_table(atkbd);
1519 atkbd_set_device_attrs(atkbd);
1520
1521 return err;
1522 }
1523 input_unregister_device(old_dev);
1da177e4
LT		 1524 }
1525 return count;
1526}
1527
1528static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1529{
1530 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1531}
1532
1533static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1534{
2b03b60e 1535 struct input_dev *old_dev, *new_dev;
76496e7a 1536 unsigned int value;
2b03b60e 1537 int err;
a9a1f9c3 1538 bool old_softrepeat, old_softraw;
1da177e4
LT		 1539
1540 if (!atkbd->write)
1541 return -EIO;
1542
76496e7a
JD		 1543 err = kstrtouint(buf, 10, &value);
1544 if (err)
1545 return err;
1546
1547 if (value > 1)
1da177e4
LT		 1548 return -EINVAL;
1549
1550 if (atkbd->softrepeat != value) {
2b03b60e
DT		 1551 old_dev = atkbd->dev;
1552 old_softrepeat = atkbd->softrepeat;
1553 old_softraw = atkbd->softraw;
1554
1555 new_dev = input_allocate_device();
1556 if (!new_dev)
3c42f0c3 1557 return -ENOMEM;
2b03b60e 1558
3c42f0c3 1559 atkbd->dev = new_dev;
1da177e4
LT		 1560 atkbd->softrepeat = value;
1561 if (atkbd->softrepeat)
a9a1f9c3 1562 atkbd->softraw = true;
1da177e4 1563 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1564
1565 err = input_register_device(atkbd->dev);
1566 if (err) {
1567 input_free_device(new_dev);
1568
1569 atkbd->dev = old_dev;
1570 atkbd->softrepeat = old_softrepeat;
1571 atkbd->softraw = old_softraw;
1572 atkbd_set_device_attrs(atkbd);
1573
1574 return err;
1575 }
1576 input_unregister_device(old_dev);
1da177e4 1577 }
1da177e4
LT		 1578 return count;
1579}
1580
1581
1582static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1583{
1584 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1585}
1586
1587static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1588{
2b03b60e 1589 struct input_dev *old_dev, *new_dev;
76496e7a 1590 unsigned int value;
2b03b60e 1591 int err;
a9a1f9c3 1592 bool old_softraw;
1da177e4 1593
76496e7a
JD		 1594 err = kstrtouint(buf, 10, &value);
1595 if (err)
1596 return err;
1597
1598 if (value > 1)
1da177e4
LT		 1599 return -EINVAL;
1600
1601 if (atkbd->softraw != value) {
2b03b60e
DT		 1602 old_dev = atkbd->dev;
1603 old_softraw = atkbd->softraw;
1604
1605 new_dev = input_allocate_device();
1606 if (!new_dev)
3c42f0c3 1607 return -ENOMEM;
2b03b60e 1608
3c42f0c3 1609 atkbd->dev = new_dev;
1da177e4
LT		 1610 atkbd->softraw = value;
1611 atkbd_set_device_attrs(atkbd);
2b03b60e
DT		 1612
1613 err = input_register_device(atkbd->dev);
1614 if (err) {
1615 input_free_device(new_dev);
1616
1617 atkbd->dev = old_dev;
1618 atkbd->softraw = old_softraw;
1619 atkbd_set_device_attrs(atkbd);
1620
1621 return err;
1622 }
1623 input_unregister_device(old_dev);
1da177e4
LT		 1624 }
1625 return count;
1626}
1627
86255d9d
DT		 1628static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1629{
1630 return sprintf(buf, "%lu\n", atkbd->err_count);
1631}
1632
39191698 1633static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
554101e3 1634{
39191698
DM		 1635 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1636 atkbd_platform_fixup_data = id->driver_data;
1637
c388b2c6 1638 return 1;
554101e3
GN		 1639}
1640
e5713069
JL		 1641static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
1642{
1643 atkbd_platform_scancode_fixup = id->driver_data;
1644
c388b2c6 1645 return 1;
e5713069
JL		 1646}
1647
3d725caa
SLS		 1648static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id)
1649{
1650 atkbd_skip_deactivate = true;
1651 return 1;
1652}
1653
8b8a518e
DT		 1654/*
1655 * NOTE: do not add any more "force release" quirks to this table. The
1656 * task of adjusting list of keys that should be "released" automatically
1657 * by the driver is now delegated to userspace tools, such as udev, so
1658 * submit such quirks there.
1659 */
c45fc81e 1660static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
554101e3 1661 {
554101e3
GN		 1662 .matches = {
1663 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
61579ba8 1664 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
554101e3 1665 },
39191698
DM		 1666 .callback = atkbd_setup_forced_release,
1667 .driver_data = atkbd_dell_laptop_forced_release_keys,
554101e3 1668 },
2a3ec326 1669 {
2a3ec326
MG		 1670 .matches = {
1671 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1672 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1673 },
39191698
DM		 1674 .callback = atkbd_setup_forced_release,
1675 .driver_data = atkbd_dell_laptop_forced_release_keys,
2a3ec326 1676 },
5a54c011 1677 {
5a54c011
JK		 1678 .matches = {
1679 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1680 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1681 },
39191698
DM		 1682 .callback = atkbd_setup_forced_release,
1683 .driver_data = atkbd_hp_forced_release_keys,
5a54c011 1684 },
181f6382 1685 {
181f6382
RL		 1686 .matches = {
1687 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1688 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1689 },
39191698 1690 .callback = atkbd_setup_forced_release,
000c2a35 1691 .driver_data = atkbd_volume_forced_release_keys,
181f6382 1692 },
2bcaa6a4 1693 {
2bcaa6a4
DA		 1694 .matches = {
1695 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1696 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1697 },
1698 .callback = atkbd_setup_forced_release,
000c2a35 1699 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA		 1700 },
1701 {
2bcaa6a4
DA		 1702 .matches = {
1703 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1704 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1705 },
1706 .callback = atkbd_setup_forced_release,
000c2a35 1707 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4
DA		 1708 },
1709 {
2bcaa6a4
DA		 1710 .matches = {
1711 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1712 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1713 },
1714 .callback = atkbd_setup_forced_release,
000c2a35 1715 .driver_data = atkbd_volume_forced_release_keys,
2bcaa6a4 1716 },
a8215b81 1717 {
c45fc81e 1718 /* Inventec Symphony */
a8215b81
MG		 1719 .matches = {
1720 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1721 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1722 },
39191698 1723 .callback = atkbd_setup_forced_release,
000c2a35 1724 .driver_data = atkbd_volume_forced_release_keys,
a8215b81 1725 },
4200844b 1726 {
c45fc81e 1727 /* Samsung NC10 */
4200844b
SH		 1728 .matches = {
1729 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1730 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1731 },
39191698
DM		 1732 .callback = atkbd_setup_forced_release,
1733 .driver_data = atkbd_samsung_forced_release_keys,
4200844b 1734 },
e04126c7 1735 {
c45fc81e 1736 /* Samsung NC20 */
e04126c7
BC		 1737 .matches = {
1738 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1739 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1740 },
1741 .callback = atkbd_setup_forced_release,
1742 .driver_data = atkbd_samsung_forced_release_keys,
1743 },
157f3a3e 1744 {
c45fc81e 1745 /* Samsung SQ45S70S */
157f3a3e
DT		 1746 .matches = {
1747 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1748 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1749 },
1750 .callback = atkbd_setup_forced_release,
1751 .driver_data = atkbd_samsung_forced_release_keys,
1752 },
adcb523e 1753 {
c45fc81e 1754 /* Fujitsu Amilo PA 1510 */
adcb523e
DM		 1755 .matches = {
1756 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1757 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1758 },
1759 .callback = atkbd_setup_forced_release,
000c2a35 1760 .driver_data = atkbd_volume_forced_release_keys,
adcb523e 1761 },
f0a14de2 1762 {
c45fc81e 1763 /* Fujitsu Amilo Pi 3525 */
f0a14de2
SD		 1764 .matches = {
1765 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1766 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1767 },
1768 .callback = atkbd_setup_forced_release,
1769 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1770 },
9166d0f6 1771 {
c45fc81e 1772 /* Fujitsu Amilo Xi 3650 */
9166d0f6
AB		 1773 .matches = {
1774 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1775 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1776 },
1777 .callback = atkbd_setup_forced_release,
1778 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1779 },
032e46cb 1780 {
032e46cb
JY		 1781 .matches = {
1782 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1783 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1784 },
1785 .callback = atkbd_setup_forced_release,
1786 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1787 },
e5713069 1788 {
c45fc81e 1789 /* OQO Model 01+ */
e5713069
JL		 1790 .matches = {
1791 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
1792 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
1793 },
1794 .callback = atkbd_setup_scancode_fixup,
1795 .driver_data = atkbd_oqo_01plus_scancode_fixup,
1796 },
3d725caa
SLS		 1797 {
1798 .matches = {
1799 DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
3d725caa
SLS		 1800 },
1801 .callback = atkbd_deactivate_fixup,
1802 },
554101e3
GN		 1803 { }
1804};
1da177e4
LT		 1805
1806static int __init atkbd_init(void)
1807{
554101e3
GN		 1808 dmi_check_system(atkbd_dmi_quirk_table);
1809
153a9df0 1810 return serio_register_driver(&atkbd_drv);
1da177e4
LT		 1811}
1812
1813static void __exit atkbd_exit(void)
1814{
1815 serio_unregister_driver(&atkbd_drv);
1816}
1817
1818module_init(atkbd_init);
1819module_exit(atkbd_exit);
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