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16#include <linux/delay.h>
17#include <linux/module.h>
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>
25#include <linux/mutex.h>
26#include <linux/dmi.h>
27#include <linux/property.h>
28
29#define DRIVER_DESC "AT and PS/2 keyboard driver"
30
31MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
32MODULE_DESCRIPTION(DRIVER_DESC);
33MODULE_LICENSE("GPL");
34
35static int atkbd_set = 2;
36module_param_named(set, atkbd_set, int, 0);
37MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)");
38
39#if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
40static bool atkbd_reset;
41#else
42static bool atkbd_reset = true;
43#endif
44module_param_named(reset, atkbd_reset, bool, 0);
45MODULE_PARM_DESC(reset, "Reset keyboard during initialization");
46
47static bool atkbd_softrepeat;
48module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
49MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
50
51static bool atkbd_softraw = true;
52module_param_named(softraw, atkbd_softraw, bool, 0);
53MODULE_PARM_DESC(softraw, "Use software generated rawmode");
54
55static bool atkbd_scroll;
56module_param_named(scroll, atkbd_scroll, bool, 0);
57MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
58
59static bool atkbd_extra;
60module_param_named(extra, atkbd_extra, bool, 0);
61MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
62
63static bool atkbd_terminal;
64module_param_named(terminal, atkbd_terminal, bool, 0);
65MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
66
67#define MAX_FUNCTION_ROW_KEYS 24
68
69#define SCANCODE(keymap) ((keymap >> 16) & 0xFFFF)
70#define KEYCODE(keymap) (keymap & 0xFFFF)
71
72
73
74
75
76
77#define ATKBD_KEYMAP_SIZE 512
78
79static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
80
81#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
82
83
84
85#include "hpps2atkbd.h"
86
87#else
88 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117,
89 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0,
90 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183,
91 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185,
92 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0,
93 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85,
94 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0,
95 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99,
96
97 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
98 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125,
99 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127,
100 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142,
101 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0,
102 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0,
103 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112,
104 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
105
106 0, 0, 0, 65, 99,
107#endif
108};
109
110static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = {
111
112 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60,
113 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62,
114 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64,
115 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66,
116 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68,
117 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70,
118 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104,
119 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183,
120
121 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0,
122 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168,
123 148,149,147,140
124};
125
126static const unsigned short atkbd_unxlate_table[128] = {
127 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
128 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
129 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
130 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
131 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
132 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
133 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
134 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
135};
136
137#define ATKBD_CMD_SETLEDS 0x10ed
138#define ATKBD_CMD_GSCANSET 0x11f0
139#define ATKBD_CMD_SSCANSET 0x10f0
140#define ATKBD_CMD_GETID 0x02f2
141#define ATKBD_CMD_SETREP 0x10f3
142#define ATKBD_CMD_ENABLE 0x00f4
143#define ATKBD_CMD_RESET_DIS 0x00f5
144#define ATKBD_CMD_RESET_DEF 0x00f6
145#define ATKBD_CMD_SETALL_MB 0x00f8
146#define ATKBD_CMD_SETALL_MBR 0x00fa
147#define ATKBD_CMD_RESET_BAT 0x02ff
148#define ATKBD_CMD_RESEND 0x00fe
149#define ATKBD_CMD_EX_ENABLE 0x10ea
150#define ATKBD_CMD_EX_SETLEDS 0x20eb
151#define ATKBD_CMD_OK_GETID 0x02e8
152
153#define ATKBD_RET_ACK 0xfa
154#define ATKBD_RET_NAK 0xfe
155#define ATKBD_RET_BAT 0xaa
156#define ATKBD_RET_EMUL0 0xe0
157#define ATKBD_RET_EMUL1 0xe1
158#define ATKBD_RET_RELEASE 0xf0
159#define ATKBD_RET_HANJA 0xf1
160#define ATKBD_RET_HANGEUL 0xf2
161#define ATKBD_RET_ERR 0xff
162
163#define ATKBD_KEY_UNKNOWN 0
164#define ATKBD_KEY_NULL 255
165
166#define ATKBD_SCR_1 0xfffe
167#define ATKBD_SCR_2 0xfffd
168#define ATKBD_SCR_4 0xfffc
169#define ATKBD_SCR_8 0xfffb
170#define ATKBD_SCR_CLICK 0xfffa
171#define ATKBD_SCR_LEFT 0xfff9
172#define ATKBD_SCR_RIGHT 0xfff8
173
174#define ATKBD_SPECIAL ATKBD_SCR_RIGHT
175
176#define ATKBD_LED_EVENT_BIT 0
177#define ATKBD_REP_EVENT_BIT 1
178
179#define ATKBD_XL_ERR 0x01
180#define ATKBD_XL_BAT 0x02
181#define ATKBD_XL_ACK 0x04
182#define ATKBD_XL_NAK 0x08
183#define ATKBD_XL_HANGEUL 0x10
184#define ATKBD_XL_HANJA 0x20
185
186static const struct {
187 unsigned short keycode;
188 unsigned char set2;
189} atkbd_scroll_keys[] = {
190 { ATKBD_SCR_1, 0xc5 },
191 { ATKBD_SCR_2, 0x9d },
192 { ATKBD_SCR_4, 0xa4 },
193 { ATKBD_SCR_8, 0x9b },
194 { ATKBD_SCR_CLICK, 0xe0 },
195 { ATKBD_SCR_LEFT, 0xcb },
196 { ATKBD_SCR_RIGHT, 0xd2 },
197};
198
199
200
201
202
203struct atkbd {
204
205 struct ps2dev ps2dev;
206 struct input_dev *dev;
207
208
209 char name[64];
210 char phys[32];
211
212 unsigned short id;
213 unsigned short keycode[ATKBD_KEYMAP_SIZE];
214 DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE);
215 unsigned char set;
216 bool translated;
217 bool extra;
218 bool write;
219 bool softrepeat;
220 bool softraw;
221 bool scroll;
222 bool enabled;
223
224
225 unsigned char emul;
226 bool resend;
227 bool release;
228 unsigned long xl_bit;
229 unsigned int last;
230 unsigned long time;
231 unsigned long err_count;
232
233 struct delayed_work event_work;
234 unsigned long event_jiffies;
235 unsigned long event_mask;
236
237
238 struct mutex mutex;
239
240 u32 function_row_physmap[MAX_FUNCTION_ROW_KEYS];
241 int num_function_row_keys;
242};
243
244
245
246
247static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
248static void *atkbd_platform_fixup_data;
249static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
250
251
252
253
254
255static bool atkbd_skip_deactivate;
256
257static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
258 ssize_t (*handler)(struct atkbd *, char *));
259static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
260 ssize_t (*handler)(struct atkbd *, const char *, size_t));
261#define ATKBD_DEFINE_ATTR(_name) \
262static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
263static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
264static ssize_t atkbd_do_show_##_name(struct device *d, \
265 struct device_attribute *attr, char *b) \
266{ \
267 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
268} \
269static ssize_t atkbd_do_set_##_name(struct device *d, \
270 struct device_attribute *attr, const char *b, size_t s) \
271{ \
272 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
273} \
274static struct device_attribute atkbd_attr_##_name = \
275 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
276
277ATKBD_DEFINE_ATTR(extra);
278ATKBD_DEFINE_ATTR(force_release);
279ATKBD_DEFINE_ATTR(scroll);
280ATKBD_DEFINE_ATTR(set);
281ATKBD_DEFINE_ATTR(softrepeat);
282ATKBD_DEFINE_ATTR(softraw);
283
284#define ATKBD_DEFINE_RO_ATTR(_name) \
285static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
286static ssize_t atkbd_do_show_##_name(struct device *d, \
287 struct device_attribute *attr, char *b) \
288{ \
289 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
290} \
291static struct device_attribute atkbd_attr_##_name = \
292 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
293
294ATKBD_DEFINE_RO_ATTR(err_count);
295ATKBD_DEFINE_RO_ATTR(function_row_physmap);
296
297static struct attribute *atkbd_attributes[] = {
298 &atkbd_attr_extra.attr,
299 &atkbd_attr_force_release.attr,
300 &atkbd_attr_scroll.attr,
301 &atkbd_attr_set.attr,
302 &atkbd_attr_softrepeat.attr,
303 &atkbd_attr_softraw.attr,
304 &atkbd_attr_err_count.attr,
305 &atkbd_attr_function_row_physmap.attr,
306 NULL
307};
308
309static ssize_t atkbd_show_function_row_physmap(struct atkbd *atkbd, char *buf)
310{
311 ssize_t size = 0;
312 int i;
313
314 if (!atkbd->num_function_row_keys)
315 return 0;
316
317 for (i = 0; i < atkbd->num_function_row_keys; i++)
318 size += scnprintf(buf + size, PAGE_SIZE - size, "%02X ",
319 atkbd->function_row_physmap[i]);
320 size += scnprintf(buf + size, PAGE_SIZE - size, "\n");
321 return size;
322}
323
324static umode_t atkbd_attr_is_visible(struct kobject *kobj,
325 struct attribute *attr, int i)
326{
327 struct device *dev = kobj_to_dev(kobj);
328 struct serio *serio = to_serio_port(dev);
329 struct atkbd *atkbd = serio_get_drvdata(serio);
330
331 if (attr == &atkbd_attr_function_row_physmap.attr &&
332 !atkbd->num_function_row_keys)
333 return 0;
334
335 return attr->mode;
336}
337
338static struct attribute_group atkbd_attribute_group = {
339 .attrs = atkbd_attributes,
340 .is_visible = atkbd_attr_is_visible,
341};
342
343static const unsigned int xl_table[] = {
344 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
345 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
346};
347
348
349
350
351
352static bool atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
353{
354 int i;
355
356 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
357 return false;
358
359 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
360 if (code == xl_table[i])
361 return test_bit(i, &xl_bit);
362
363 return true;
364}
365
366
367
368
369
370
371static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
372{
373 int i;
374
375 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
376 if (!((code ^ xl_table[i]) & 0x7f)) {
377 if (code & 0x80)
378 __clear_bit(i, &atkbd->xl_bit);
379 else
380 __set_bit(i, &atkbd->xl_bit);
381 break;
382 }
383 }
384}
385
386
387
388
389
390static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
391{
392 if (atkbd->set == 3) {
393 if (atkbd->emul == 1)
394 code |= 0x100;
395 } else {
396 code = (code & 0x7f) | ((code & 0x80) << 1);
397 if (atkbd->emul == 1)
398 code |= 0x80;
399 }
400
401 return code;
402}
403
404
405
406
407
408
409static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
410 unsigned int flags)
411{
412 struct atkbd *atkbd = serio_get_drvdata(serio);
413 struct input_dev *dev = atkbd->dev;
414 unsigned int code = data;
415 int scroll = 0, hscroll = 0, click = -1;
416 int value;
417 unsigned short keycode;
418
419 dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags);
420
421#if !defined(__i386__) && !defined (__x86_64__)
422 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
423 dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags);
424 serio_write(serio, ATKBD_CMD_RESEND);
425 atkbd->resend = true;
426 goto out;
427 }
428
429 if (!flags && data == ATKBD_RET_ACK)
430 atkbd->resend = false;
431#endif
432
433 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
434 if (ps2_handle_ack(&atkbd->ps2dev, data))
435 goto out;
436
437 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
438 if (ps2_handle_response(&atkbd->ps2dev, data))
439 goto out;
440
441 pm_wakeup_event(&serio->dev, 0);
442
443 if (!atkbd->enabled)
444 goto out;
445
446 input_event(dev, EV_MSC, MSC_RAW, code);
447
448 if (atkbd_platform_scancode_fixup)
449 code = atkbd_platform_scancode_fixup(atkbd, code);
450
451 if (atkbd->translated) {
452
453 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
454 atkbd->release = code >> 7;
455 code &= 0x7f;
456 }
457
458 if (!atkbd->emul)
459 atkbd_calculate_xl_bit(atkbd, data);
460 }
461
462 switch (code) {
463 case ATKBD_RET_BAT:
464 atkbd->enabled = false;
465 serio_reconnect(atkbd->ps2dev.serio);
466 goto out;
467 case ATKBD_RET_EMUL0:
468 atkbd->emul = 1;
469 goto out;
470 case ATKBD_RET_EMUL1:
471 atkbd->emul = 2;
472 goto out;
473 case ATKBD_RET_RELEASE:
474 atkbd->release = true;
475 goto out;
476 case ATKBD_RET_ACK:
477 case ATKBD_RET_NAK:
478 if (printk_ratelimit())
479 dev_warn(&serio->dev,
480 "Spurious %s on %s. "
481 "Some program might be trying to access hardware directly.\n",
482 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
483 goto out;
484 case ATKBD_RET_ERR:
485 atkbd->err_count++;
486 dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n",
487 serio->phys);
488 goto out;
489 }
490
491 code = atkbd_compat_scancode(atkbd, code);
492
493 if (atkbd->emul && --atkbd->emul)
494 goto out;
495
496 keycode = atkbd->keycode[code];
497
498 if (!(atkbd->release && test_bit(code, atkbd->force_release_mask)))
499 if (keycode != ATKBD_KEY_NULL)
500 input_event(dev, EV_MSC, MSC_SCAN, code);
501
502 switch (keycode) {
503 case ATKBD_KEY_NULL:
504 break;
505 case ATKBD_KEY_UNKNOWN:
506 dev_warn(&serio->dev,
507 "Unknown key %s (%s set %d, code %#x on %s).\n",
508 atkbd->release ? "released" : "pressed",
509 atkbd->translated ? "translated" : "raw",
510 atkbd->set, code, serio->phys);
511 dev_warn(&serio->dev,
512 "Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
513 code & 0x80 ? "e0" : "", code & 0x7f);
514 input_sync(dev);
515 break;
516 case ATKBD_SCR_1:
517 scroll = 1;
518 break;
519 case ATKBD_SCR_2:
520 scroll = 2;
521 break;
522 case ATKBD_SCR_4:
523 scroll = 4;
524 break;
525 case ATKBD_SCR_8:
526 scroll = 8;
527 break;
528 case ATKBD_SCR_CLICK:
529 click = !atkbd->release;
530 break;
531 case ATKBD_SCR_LEFT:
532 hscroll = -1;
533 break;
534 case ATKBD_SCR_RIGHT:
535 hscroll = 1;
536 break;
537 default:
538 if (atkbd->release) {
539 value = 0;
540 atkbd->last = 0;
541 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
542
543 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
544 } else {
545 value = 1;
546 atkbd->last = code;
547 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
548 }
549
550 input_event(dev, EV_KEY, keycode, value);
551 input_sync(dev);
552
553 if (value && test_bit(code, atkbd->force_release_mask)) {
554 input_event(dev, EV_MSC, MSC_SCAN, code);
555 input_report_key(dev, keycode, 0);
556 input_sync(dev);
557 }
558 }
559
560 if (atkbd->scroll) {
561 if (click != -1)
562 input_report_key(dev, BTN_MIDDLE, click);
563 input_report_rel(dev, REL_WHEEL,
564 atkbd->release ? -scroll : scroll);
565 input_report_rel(dev, REL_HWHEEL, hscroll);
566 input_sync(dev);
567 }
568
569 atkbd->release = false;
570out:
571 return IRQ_HANDLED;
572}
573
574static int atkbd_set_repeat_rate(struct atkbd *atkbd)
575{
576 const short period[32] =
577 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
578 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
579 const short delay[4] =
580 { 250, 500, 750, 1000 };
581
582 struct input_dev *dev = atkbd->dev;
583 unsigned char param;
584 int i = 0, j = 0;
585
586 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
587 i++;
588 dev->rep[REP_PERIOD] = period[i];
589
590 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
591 j++;
592 dev->rep[REP_DELAY] = delay[j];
593
594 param = i | (j << 5);
595 return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP);
596}
597
598static int atkbd_set_leds(struct atkbd *atkbd)
599{
600 struct input_dev *dev = atkbd->dev;
601 unsigned char param[2];
602
603 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
604 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
605 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
606 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
607 return -1;
608
609 if (atkbd->extra) {
610 param[0] = 0;
611 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
612 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
613 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
614 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
615 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
616 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
617 return -1;
618 }
619
620 return 0;
621}
622
623
624
625
626
627
628
629static void atkbd_event_work(struct work_struct *work)
630{
631 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
632
633 mutex_lock(&atkbd->mutex);
634
635 if (!atkbd->enabled) {
636
637
638
639
640
641
642 schedule_delayed_work(&atkbd->event_work,
643 msecs_to_jiffies(100));
644 } else {
645 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
646 atkbd_set_leds(atkbd);
647
648 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
649 atkbd_set_repeat_rate(atkbd);
650 }
651
652 mutex_unlock(&atkbd->mutex);
653}
654
655
656
657
658
659static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
660{
661 unsigned long delay = msecs_to_jiffies(50);
662
663 if (time_after(jiffies, atkbd->event_jiffies + delay))
664 delay = 0;
665
666 atkbd->event_jiffies = jiffies;
667 set_bit(event_bit, &atkbd->event_mask);
668 mb();
669 schedule_delayed_work(&atkbd->event_work, delay);
670}
671
672
673
674
675
676
677
678static int atkbd_event(struct input_dev *dev,
679 unsigned int type, unsigned int code, int value)
680{
681 struct atkbd *atkbd = input_get_drvdata(dev);
682
683 if (!atkbd->write)
684 return -1;
685
686 switch (type) {
687
688 case EV_LED:
689 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
690 return 0;
691
692 case EV_REP:
693 if (!atkbd->softrepeat)
694 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
695 return 0;
696
697 default:
698 return -1;
699 }
700}
701
702
703
704
705
706
707static inline void atkbd_enable(struct atkbd *atkbd)
708{
709 serio_pause_rx(atkbd->ps2dev.serio);
710 atkbd->enabled = true;
711 serio_continue_rx(atkbd->ps2dev.serio);
712}
713
714
715
716
717
718
719static inline void atkbd_disable(struct atkbd *atkbd)
720{
721 serio_pause_rx(atkbd->ps2dev.serio);
722 atkbd->enabled = false;
723 serio_continue_rx(atkbd->ps2dev.serio);
724}
725
726static int atkbd_activate(struct atkbd *atkbd)
727{
728 struct ps2dev *ps2dev = &atkbd->ps2dev;
729
730
731
732
733
734 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
735 dev_err(&ps2dev->serio->dev,
736 "Failed to enable keyboard on %s\n",
737 ps2dev->serio->phys);
738 return -1;
739 }
740
741 return 0;
742}
743
744
745
746
747
748
749static void atkbd_deactivate(struct atkbd *atkbd)
750{
751 struct ps2dev *ps2dev = &atkbd->ps2dev;
752
753 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_DIS))
754 dev_err(&ps2dev->serio->dev,
755 "Failed to deactivate keyboard on %s\n",
756 ps2dev->serio->phys);
757}
758
759
760
761
762
763static int atkbd_probe(struct atkbd *atkbd)
764{
765 struct ps2dev *ps2dev = &atkbd->ps2dev;
766 unsigned char param[2];
767
768
769
770
771
772
773
774 if (atkbd_reset)
775 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
776 dev_warn(&ps2dev->serio->dev,
777 "keyboard reset failed on %s\n",
778 ps2dev->serio->phys);
779
780
781
782
783
784
785
786
787 param[0] = param[1] = 0xa5;
788 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
789
790
791
792
793
794
795 param[0] = 0;
796 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
797 return -1;
798 atkbd->id = 0xabba;
799 return 0;
800 }
801
802 if (!ps2_is_keyboard_id(param[0]))
803 return -1;
804
805 atkbd->id = (param[0] << 8) | param[1];
806
807 if (atkbd->id == 0xaca1 && atkbd->translated) {
808 dev_err(&ps2dev->serio->dev,
809 "NCD terminal keyboards are only supported on non-translating controllers. "
810 "Use i8042.direct=1 to disable translation.\n");
811 return -1;
812 }
813
814
815
816
817
818 if (!atkbd_skip_deactivate)
819 atkbd_deactivate(atkbd);
820
821 return 0;
822}
823
824
825
826
827
828
829
830static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
831{
832 struct ps2dev *ps2dev = &atkbd->ps2dev;
833 unsigned char param[2];
834
835 atkbd->extra = false;
836
837
838
839
840
841
842 if (atkbd->translated)
843 return 2;
844
845 if (atkbd->id == 0xaca1) {
846 param[0] = 3;
847 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
848 return 3;
849 }
850
851 if (allow_extra) {
852 param[0] = 0x71;
853 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
854 atkbd->extra = true;
855 return 2;
856 }
857 }
858
859 if (atkbd_terminal) {
860 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB);
861 return 3;
862 }
863
864 if (target_set != 3)
865 return 2;
866
867 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
868 atkbd->id = param[0] << 8 | param[1];
869 return 2;
870 }
871
872 param[0] = 3;
873 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
874 return 2;
875
876 param[0] = 0;
877 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
878 return 2;
879
880 if (param[0] != 3) {
881 param[0] = 2;
882 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
883 return 2;
884 }
885
886 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
887
888 return 3;
889}
890
891static int atkbd_reset_state(struct atkbd *atkbd)
892{
893 struct ps2dev *ps2dev = &atkbd->ps2dev;
894 unsigned char param[1];
895
896
897
898
899
900 param[0] = 0;
901 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
902 return -1;
903
904
905
906
907
908 param[0] = 0;
909 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
910 return -1;
911
912 return 0;
913}
914
915
916
917
918
919
920static void atkbd_cleanup(struct serio *serio)
921{
922 struct atkbd *atkbd = serio_get_drvdata(serio);
923
924 atkbd_disable(atkbd);
925 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
926}
927
928
929
930
931
932
933static void atkbd_disconnect(struct serio *serio)
934{
935 struct atkbd *atkbd = serio_get_drvdata(serio);
936
937 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
938
939 atkbd_disable(atkbd);
940
941 input_unregister_device(atkbd->dev);
942
943
944
945
946
947
948
949 cancel_delayed_work_sync(&atkbd->event_work);
950
951 serio_close(serio);
952 serio_set_drvdata(serio, NULL);
953 kfree(atkbd);
954}
955
956
957
958
959static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
960 const void *data)
961{
962 const unsigned int *keys = data;
963 unsigned int i;
964
965 if (atkbd->set == 2)
966 for (i = 0; keys[i] != -1U; i++)
967 __set_bit(keys[i], atkbd->force_release_mask);
968}
969
970
971
972
973
974static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
975 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
976};
977
978
979
980
981
982static unsigned int atkbd_hp_forced_release_keys[] = {
983 0x94, -1U
984};
985
986
987
988
989static unsigned int atkbd_samsung_forced_release_keys[] = {
990 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
991};
992
993
994
995
996static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
997 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
998};
999
1000
1001
1002
1003static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
1004 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
1005};
1006
1007
1008
1009
1010static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
1011 0xa0, 0xae, 0xb0, -1U
1012};
1013
1014
1015
1016
1017
1018static unsigned int atkbd_volume_forced_release_keys[] = {
1019 0xae, 0xb0, -1U
1020};
1021
1022
1023
1024
1025
1026static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
1027 unsigned int code)
1028{
1029 if (atkbd->translated && atkbd->emul == 1 &&
1030 (code == 0x64 || code == 0x65 || code == 0x66)) {
1031 atkbd->emul = 0;
1032 code |= 0x80;
1033 }
1034
1035 return code;
1036}
1037
1038static int atkbd_get_keymap_from_fwnode(struct atkbd *atkbd)
1039{
1040 struct device *dev = &atkbd->ps2dev.serio->dev;
1041 int i, n;
1042 u32 *ptr;
1043 u16 scancode, keycode;
1044
1045
1046 n = device_property_count_u32(dev, "linux,keymap");
1047 if (n <= 0 || n > ATKBD_KEYMAP_SIZE)
1048 return -ENXIO;
1049
1050 ptr = kcalloc(n, sizeof(u32), GFP_KERNEL);
1051 if (!ptr)
1052 return -ENOMEM;
1053
1054 if (device_property_read_u32_array(dev, "linux,keymap", ptr, n)) {
1055 dev_err(dev, "problem parsing FW keymap property\n");
1056 kfree(ptr);
1057 return -EINVAL;
1058 }
1059
1060 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1061 for (i = 0; i < n; i++) {
1062 scancode = SCANCODE(ptr[i]);
1063 keycode = KEYCODE(ptr[i]);
1064 atkbd->keycode[scancode] = keycode;
1065 }
1066
1067 kfree(ptr);
1068 return 0;
1069}
1070
1071
1072
1073
1074
1075
1076static void atkbd_set_keycode_table(struct atkbd *atkbd)
1077{
1078 struct device *dev = &atkbd->ps2dev.serio->dev;
1079 unsigned int scancode;
1080 int i, j;
1081
1082 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
1083 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1084
1085 if (!atkbd_get_keymap_from_fwnode(atkbd)) {
1086 dev_dbg(dev, "Using FW keymap\n");
1087 } else if (atkbd->translated) {
1088 for (i = 0; i < 128; i++) {
1089 scancode = atkbd_unxlate_table[i];
1090 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
1091 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
1092 if (atkbd->scroll)
1093 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
1094 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
1095 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
1096 }
1097 } else if (atkbd->set == 3) {
1098 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
1099 } else {
1100 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
1101
1102 if (atkbd->scroll)
1103 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
1104 scancode = atkbd_scroll_keys[i].set2;
1105 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
1106 }
1107 }
1108
1109
1110
1111
1112
1113 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
1114 atkbd->keycode[scancode] = KEY_HANGEUL;
1115 __set_bit(scancode, atkbd->force_release_mask);
1116
1117 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
1118 atkbd->keycode[scancode] = KEY_HANJA;
1119 __set_bit(scancode, atkbd->force_release_mask);
1120
1121
1122
1123
1124 if (atkbd_platform_fixup)
1125 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1126}
1127
1128
1129
1130
1131
1132static void atkbd_set_device_attrs(struct atkbd *atkbd)
1133{
1134 struct input_dev *input_dev = atkbd->dev;
1135 int i;
1136
1137 if (atkbd->extra)
1138 snprintf(atkbd->name, sizeof(atkbd->name),
1139 "AT Set 2 Extra keyboard");
1140 else
1141 snprintf(atkbd->name, sizeof(atkbd->name),
1142 "AT %s Set %d keyboard",
1143 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1144
1145 snprintf(atkbd->phys, sizeof(atkbd->phys),
1146 "%s/input0", atkbd->ps2dev.serio->phys);
1147
1148 input_dev->name = atkbd->name;
1149 input_dev->phys = atkbd->phys;
1150 input_dev->id.bustype = BUS_I8042;
1151 input_dev->id.vendor = 0x0001;
1152 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1153 input_dev->id.version = atkbd->id;
1154 input_dev->event = atkbd_event;
1155 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1156
1157 input_set_drvdata(input_dev, atkbd);
1158
1159 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1160 BIT_MASK(EV_MSC);
1161
1162 if (atkbd->write) {
1163 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1164 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1165 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1166 }
1167
1168 if (atkbd->extra)
1169 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1170 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1171 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1172
1173 if (!atkbd->softrepeat) {
1174 input_dev->rep[REP_DELAY] = 250;
1175 input_dev->rep[REP_PERIOD] = 33;
1176 }
1177
1178 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1179 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1180
1181 if (atkbd->scroll) {
1182 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1183 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1184 BIT_MASK(REL_HWHEEL);
1185 __set_bit(BTN_MIDDLE, input_dev->keybit);
1186 }
1187
1188 input_dev->keycode = atkbd->keycode;
1189 input_dev->keycodesize = sizeof(unsigned short);
1190 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1191
1192 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) {
1193 if (atkbd->keycode[i] != KEY_RESERVED &&
1194 atkbd->keycode[i] != ATKBD_KEY_NULL &&
1195 atkbd->keycode[i] < ATKBD_SPECIAL) {
1196 __set_bit(atkbd->keycode[i], input_dev->keybit);
1197 }
1198 }
1199}
1200
1201static void atkbd_parse_fwnode_data(struct serio *serio)
1202{
1203 struct atkbd *atkbd = serio_get_drvdata(serio);
1204 struct device *dev = &serio->dev;
1205 int n;
1206
1207
1208 n = device_property_count_u32(dev, "function-row-physmap");
1209 if (n > 0 && n <= MAX_FUNCTION_ROW_KEYS &&
1210 !device_property_read_u32_array(dev, "function-row-physmap",
1211 atkbd->function_row_physmap, n)) {
1212 atkbd->num_function_row_keys = n;
1213 dev_dbg(dev, "FW reported %d function-row key locations\n", n);
1214 }
1215}
1216
1217
1218
1219
1220
1221
1222
1223
1224static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1225{
1226 struct atkbd *atkbd;
1227 struct input_dev *dev;
1228 int err = -ENOMEM;
1229
1230 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1231 dev = input_allocate_device();
1232 if (!atkbd || !dev)
1233 goto fail1;
1234
1235 atkbd->dev = dev;
1236 ps2_init(&atkbd->ps2dev, serio);
1237 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
1238 mutex_init(&atkbd->mutex);
1239
1240 switch (serio->id.type) {
1241
1242 case SERIO_8042_XL:
1243 atkbd->translated = true;
1244 fallthrough;
1245
1246 case SERIO_8042:
1247 if (serio->write)
1248 atkbd->write = true;
1249 break;
1250 }
1251
1252 atkbd->softraw = atkbd_softraw;
1253 atkbd->softrepeat = atkbd_softrepeat;
1254 atkbd->scroll = atkbd_scroll;
1255
1256 if (atkbd->softrepeat)
1257 atkbd->softraw = true;
1258
1259 serio_set_drvdata(serio, atkbd);
1260
1261 err = serio_open(serio, drv);
1262 if (err)
1263 goto fail2;
1264
1265 if (atkbd->write) {
1266
1267 if (atkbd_probe(atkbd)) {
1268 err = -ENODEV;
1269 goto fail3;
1270 }
1271
1272 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
1273 atkbd_reset_state(atkbd);
1274
1275 } else {
1276 atkbd->set = 2;
1277 atkbd->id = 0xab00;
1278 }
1279
1280 atkbd_parse_fwnode_data(serio);
1281
1282 atkbd_set_keycode_table(atkbd);
1283 atkbd_set_device_attrs(atkbd);
1284
1285 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1286 if (err)
1287 goto fail3;
1288
1289 atkbd_enable(atkbd);
1290 if (serio->write)
1291 atkbd_activate(atkbd);
1292
1293 err = input_register_device(atkbd->dev);
1294 if (err)
1295 goto fail4;
1296
1297 return 0;
1298
1299 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1300 fail3: serio_close(serio);
1301 fail2: serio_set_drvdata(serio, NULL);
1302 fail1: input_free_device(dev);
1303 kfree(atkbd);
1304 return err;
1305}
1306
1307
1308
1309
1310
1311
1312static int atkbd_reconnect(struct serio *serio)
1313{
1314 struct atkbd *atkbd = serio_get_drvdata(serio);
1315 struct serio_driver *drv = serio->drv;
1316 int retval = -1;
1317
1318 if (!atkbd || !drv) {
1319 dev_dbg(&serio->dev,
1320 "reconnect request, but serio is disconnected, ignoring...\n");
1321 return -1;
1322 }
1323
1324 mutex_lock(&atkbd->mutex);
1325
1326 atkbd_disable(atkbd);
1327
1328 if (atkbd->write) {
1329 if (atkbd_probe(atkbd))
1330 goto out;
1331
1332 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1333 goto out;
1334
1335
1336
1337
1338
1339
1340
1341
1342 atkbd_set_leds(atkbd);
1343 if (!atkbd->softrepeat)
1344 atkbd_set_repeat_rate(atkbd);
1345
1346 }
1347
1348
1349
1350
1351
1352 atkbd->xl_bit = 0;
1353 atkbd->emul = 0;
1354
1355 atkbd_enable(atkbd);
1356 if (atkbd->write)
1357 atkbd_activate(atkbd);
1358
1359 retval = 0;
1360
1361 out:
1362 mutex_unlock(&atkbd->mutex);
1363 return retval;
1364}
1365
1366static const struct serio_device_id atkbd_serio_ids[] = {
1367 {
1368 .type = SERIO_8042,
1369 .proto = SERIO_ANY,
1370 .id = SERIO_ANY,
1371 .extra = SERIO_ANY,
1372 },
1373 {
1374 .type = SERIO_8042_XL,
1375 .proto = SERIO_ANY,
1376 .id = SERIO_ANY,
1377 .extra = SERIO_ANY,
1378 },
1379 {
1380 .type = SERIO_RS232,
1381 .proto = SERIO_PS2SER,
1382 .id = SERIO_ANY,
1383 .extra = SERIO_ANY,
1384 },
1385 { 0 }
1386};
1387
1388MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1389
1390static struct serio_driver atkbd_drv = {
1391 .driver = {
1392 .name = "atkbd",
1393 },
1394 .description = DRIVER_DESC,
1395 .id_table = atkbd_serio_ids,
1396 .interrupt = atkbd_interrupt,
1397 .connect = atkbd_connect,
1398 .reconnect = atkbd_reconnect,
1399 .disconnect = atkbd_disconnect,
1400 .cleanup = atkbd_cleanup,
1401};
1402
1403static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1404 ssize_t (*handler)(struct atkbd *, char *))
1405{
1406 struct serio *serio = to_serio_port(dev);
1407 struct atkbd *atkbd = serio_get_drvdata(serio);
1408
1409 return handler(atkbd, buf);
1410}
1411
1412static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1413 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1414{
1415 struct serio *serio = to_serio_port(dev);
1416 struct atkbd *atkbd = serio_get_drvdata(serio);
1417 int retval;
1418
1419 retval = mutex_lock_interruptible(&atkbd->mutex);
1420 if (retval)
1421 return retval;
1422
1423 atkbd_disable(atkbd);
1424 retval = handler(atkbd, buf, count);
1425 atkbd_enable(atkbd);
1426
1427 mutex_unlock(&atkbd->mutex);
1428
1429 return retval;
1430}
1431
1432static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1433{
1434 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1435}
1436
1437static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1438{
1439 struct input_dev *old_dev, *new_dev;
1440 unsigned int value;
1441 int err;
1442 bool old_extra;
1443 unsigned char old_set;
1444
1445 if (!atkbd->write)
1446 return -EIO;
1447
1448 err = kstrtouint(buf, 10, &value);
1449 if (err)
1450 return err;
1451
1452 if (value > 1)
1453 return -EINVAL;
1454
1455 if (atkbd->extra != value) {
1456
1457
1458
1459
1460
1461 old_dev = atkbd->dev;
1462 old_extra = atkbd->extra;
1463 old_set = atkbd->set;
1464
1465 new_dev = input_allocate_device();
1466 if (!new_dev)
1467 return -ENOMEM;
1468
1469 atkbd->dev = new_dev;
1470 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
1471 atkbd_reset_state(atkbd);
1472 atkbd_activate(atkbd);
1473 atkbd_set_keycode_table(atkbd);
1474 atkbd_set_device_attrs(atkbd);
1475
1476 err = input_register_device(atkbd->dev);
1477 if (err) {
1478 input_free_device(new_dev);
1479
1480 atkbd->dev = old_dev;
1481 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1482 atkbd_set_keycode_table(atkbd);
1483 atkbd_set_device_attrs(atkbd);
1484
1485 return err;
1486 }
1487 input_unregister_device(old_dev);
1488
1489 }
1490 return count;
1491}
1492
1493static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1494{
1495 size_t len = scnprintf(buf, PAGE_SIZE - 1, "%*pbl",
1496 ATKBD_KEYMAP_SIZE, atkbd->force_release_mask);
1497
1498 buf[len++] = '\n';
1499 buf[len] = '\0';
1500
1501 return len;
1502}
1503
1504static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1505 const char *buf, size_t count)
1506{
1507
1508 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1509 int err;
1510
1511 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1512 if (err)
1513 return err;
1514
1515 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1516 return count;
1517}
1518
1519
1520static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1521{
1522 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1523}
1524
1525static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1526{
1527 struct input_dev *old_dev, *new_dev;
1528 unsigned int value;
1529 int err;
1530 bool old_scroll;
1531
1532 err = kstrtouint(buf, 10, &value);
1533 if (err)
1534 return err;
1535
1536 if (value > 1)
1537 return -EINVAL;
1538
1539 if (atkbd->scroll != value) {
1540 old_dev = atkbd->dev;
1541 old_scroll = atkbd->scroll;
1542
1543 new_dev = input_allocate_device();
1544 if (!new_dev)
1545 return -ENOMEM;
1546
1547 atkbd->dev = new_dev;
1548 atkbd->scroll = value;
1549 atkbd_set_keycode_table(atkbd);
1550 atkbd_set_device_attrs(atkbd);
1551
1552 err = input_register_device(atkbd->dev);
1553 if (err) {
1554 input_free_device(new_dev);
1555
1556 atkbd->scroll = old_scroll;
1557 atkbd->dev = old_dev;
1558 atkbd_set_keycode_table(atkbd);
1559 atkbd_set_device_attrs(atkbd);
1560
1561 return err;
1562 }
1563 input_unregister_device(old_dev);
1564 }
1565 return count;
1566}
1567
1568static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1569{
1570 return sprintf(buf, "%d\n", atkbd->set);
1571}
1572
1573static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1574{
1575 struct input_dev *old_dev, *new_dev;
1576 unsigned int value;
1577 int err;
1578 unsigned char old_set;
1579 bool old_extra;
1580
1581 if (!atkbd->write)
1582 return -EIO;
1583
1584 err = kstrtouint(buf, 10, &value);
1585 if (err)
1586 return err;
1587
1588 if (value != 2 && value != 3)
1589 return -EINVAL;
1590
1591 if (atkbd->set != value) {
1592 old_dev = atkbd->dev;
1593 old_extra = atkbd->extra;
1594 old_set = atkbd->set;
1595
1596 new_dev = input_allocate_device();
1597 if (!new_dev)
1598 return -ENOMEM;
1599
1600 atkbd->dev = new_dev;
1601 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1602 atkbd_reset_state(atkbd);
1603 atkbd_activate(atkbd);
1604 atkbd_set_keycode_table(atkbd);
1605 atkbd_set_device_attrs(atkbd);
1606
1607 err = input_register_device(atkbd->dev);
1608 if (err) {
1609 input_free_device(new_dev);
1610
1611 atkbd->dev = old_dev;
1612 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1613 atkbd_set_keycode_table(atkbd);
1614 atkbd_set_device_attrs(atkbd);
1615
1616 return err;
1617 }
1618 input_unregister_device(old_dev);
1619 }
1620 return count;
1621}
1622
1623static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1624{
1625 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1626}
1627
1628static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1629{
1630 struct input_dev *old_dev, *new_dev;
1631 unsigned int value;
1632 int err;
1633 bool old_softrepeat, old_softraw;
1634
1635 if (!atkbd->write)
1636 return -EIO;
1637
1638 err = kstrtouint(buf, 10, &value);
1639 if (err)
1640 return err;
1641
1642 if (value > 1)
1643 return -EINVAL;
1644
1645 if (atkbd->softrepeat != value) {
1646 old_dev = atkbd->dev;
1647 old_softrepeat = atkbd->softrepeat;
1648 old_softraw = atkbd->softraw;
1649
1650 new_dev = input_allocate_device();
1651 if (!new_dev)
1652 return -ENOMEM;
1653
1654 atkbd->dev = new_dev;
1655 atkbd->softrepeat = value;
1656 if (atkbd->softrepeat)
1657 atkbd->softraw = true;
1658 atkbd_set_device_attrs(atkbd);
1659
1660 err = input_register_device(atkbd->dev);
1661 if (err) {
1662 input_free_device(new_dev);
1663
1664 atkbd->dev = old_dev;
1665 atkbd->softrepeat = old_softrepeat;
1666 atkbd->softraw = old_softraw;
1667 atkbd_set_device_attrs(atkbd);
1668
1669 return err;
1670 }
1671 input_unregister_device(old_dev);
1672 }
1673 return count;
1674}
1675
1676
1677static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1678{
1679 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1680}
1681
1682static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1683{
1684 struct input_dev *old_dev, *new_dev;
1685 unsigned int value;
1686 int err;
1687 bool old_softraw;
1688
1689 err = kstrtouint(buf, 10, &value);
1690 if (err)
1691 return err;
1692
1693 if (value > 1)
1694 return -EINVAL;
1695
1696 if (atkbd->softraw != value) {
1697 old_dev = atkbd->dev;
1698 old_softraw = atkbd->softraw;
1699
1700 new_dev = input_allocate_device();
1701 if (!new_dev)
1702 return -ENOMEM;
1703
1704 atkbd->dev = new_dev;
1705 atkbd->softraw = value;
1706 atkbd_set_device_attrs(atkbd);
1707
1708 err = input_register_device(atkbd->dev);
1709 if (err) {
1710 input_free_device(new_dev);
1711
1712 atkbd->dev = old_dev;
1713 atkbd->softraw = old_softraw;
1714 atkbd_set_device_attrs(atkbd);
1715
1716 return err;
1717 }
1718 input_unregister_device(old_dev);
1719 }
1720 return count;
1721}
1722
1723static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1724{
1725 return sprintf(buf, "%lu\n", atkbd->err_count);
1726}
1727
1728static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
1729{
1730 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1731 atkbd_platform_fixup_data = id->driver_data;
1732
1733 return 1;
1734}
1735
1736static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
1737{
1738 atkbd_platform_scancode_fixup = id->driver_data;
1739
1740 return 1;
1741}
1742
1743static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id)
1744{
1745 atkbd_skip_deactivate = true;
1746 return 1;
1747}
1748
1749
1750
1751
1752
1753
1754
1755static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
1756 {
1757 .matches = {
1758 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1759 DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
1760 },
1761 .callback = atkbd_setup_forced_release,
1762 .driver_data = atkbd_dell_laptop_forced_release_keys,
1763 },
1764 {
1765 .matches = {
1766 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1767 DMI_MATCH(DMI_CHASSIS_TYPE, "8"),
1768 },
1769 .callback = atkbd_setup_forced_release,
1770 .driver_data = atkbd_dell_laptop_forced_release_keys,
1771 },
1772 {
1773 .matches = {
1774 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1775 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1776 },
1777 .callback = atkbd_setup_forced_release,
1778 .driver_data = atkbd_hp_forced_release_keys,
1779 },
1780 {
1781 .matches = {
1782 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1783 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1784 },
1785 .callback = atkbd_setup_forced_release,
1786 .driver_data = atkbd_volume_forced_release_keys,
1787 },
1788 {
1789 .matches = {
1790 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1791 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1792 },
1793 .callback = atkbd_setup_forced_release,
1794 .driver_data = atkbd_volume_forced_release_keys,
1795 },
1796 {
1797 .matches = {
1798 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1799 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1800 },
1801 .callback = atkbd_setup_forced_release,
1802 .driver_data = atkbd_volume_forced_release_keys,
1803 },
1804 {
1805 .matches = {
1806 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1807 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1808 },
1809 .callback = atkbd_setup_forced_release,
1810 .driver_data = atkbd_volume_forced_release_keys,
1811 },
1812 {
1813
1814 .matches = {
1815 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1816 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1817 },
1818 .callback = atkbd_setup_forced_release,
1819 .driver_data = atkbd_volume_forced_release_keys,
1820 },
1821 {
1822
1823 .matches = {
1824 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1825 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1826 },
1827 .callback = atkbd_setup_forced_release,
1828 .driver_data = atkbd_samsung_forced_release_keys,
1829 },
1830 {
1831
1832 .matches = {
1833 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1834 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1835 },
1836 .callback = atkbd_setup_forced_release,
1837 .driver_data = atkbd_samsung_forced_release_keys,
1838 },
1839 {
1840
1841 .matches = {
1842 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1843 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1844 },
1845 .callback = atkbd_setup_forced_release,
1846 .driver_data = atkbd_samsung_forced_release_keys,
1847 },
1848 {
1849
1850 .matches = {
1851 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1852 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1853 },
1854 .callback = atkbd_setup_forced_release,
1855 .driver_data = atkbd_volume_forced_release_keys,
1856 },
1857 {
1858
1859 .matches = {
1860 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1861 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1862 },
1863 .callback = atkbd_setup_forced_release,
1864 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1865 },
1866 {
1867
1868 .matches = {
1869 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1870 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1871 },
1872 .callback = atkbd_setup_forced_release,
1873 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1874 },
1875 {
1876 .matches = {
1877 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1878 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1879 },
1880 .callback = atkbd_setup_forced_release,
1881 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1882 },
1883 {
1884
1885 .matches = {
1886 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
1887 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
1888 },
1889 .callback = atkbd_setup_scancode_fixup,
1890 .driver_data = atkbd_oqo_01plus_scancode_fixup,
1891 },
1892 {
1893 .matches = {
1894 DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
1895 },
1896 .callback = atkbd_deactivate_fixup,
1897 },
1898 { }
1899};
1900
1901static int __init atkbd_init(void)
1902{
1903 dmi_check_system(atkbd_dmi_quirk_table);
1904
1905 return serio_register_driver(&atkbd_drv);
1906}
1907
1908static void __exit atkbd_exit(void)
1909{
1910 serio_unregister_driver(&atkbd_drv);
1911}
1912
1913module_init(atkbd_init);
1914module_exit(atkbd_exit);
1915
