2 * AT and PS/2 keyboard driver
4 * Copyright (c) 1999-2002 Vojtech Pavlik
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published by
10 * the Free Software Foundation.
14 * This driver can handle standard AT keyboards and PS/2 keyboards in
15 * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb
16 * input-only controllers and AT keyboards connected over a one way RS232
20 #include <linux/delay.h>
21 #include <linux/module.h>
22 #include <linux/slab.h>
23 #include <linux/interrupt.h>
24 #include <linux/init.h>
25 #include <linux/input.h>
26 #include <linux/serio.h>
27 #include <linux/workqueue.h>
28 #include <linux/libps2.h>
29 #include <linux/mutex.h>
30 #include <linux/dmi.h>
32 #define DRIVER_DESC "AT and PS/2 keyboard driver"
34 MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
35 MODULE_DESCRIPTION(DRIVER_DESC);
36 MODULE_LICENSE("GPL");
38 static int atkbd_set = 2;
39 module_param_named(set, atkbd_set, int, 0);
40 MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)");
42 #if defined(__i386__) || defined(__x86_64__) || defined(__hppa__)
43 static int atkbd_reset;
45 static int atkbd_reset = 1;
47 module_param_named(reset, atkbd_reset, bool, 0);
48 MODULE_PARM_DESC(reset, "Reset keyboard during initialization");
50 static int atkbd_softrepeat;
51 module_param_named(softrepeat, atkbd_softrepeat, bool, 0);
52 MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat");
54 static int atkbd_softraw = 1;
55 module_param_named(softraw, atkbd_softraw, bool, 0);
56 MODULE_PARM_DESC(softraw, "Use software generated rawmode");
58 static int atkbd_scroll;
59 module_param_named(scroll, atkbd_scroll, bool, 0);
60 MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
62 static int atkbd_extra;
63 module_param_named(extra, atkbd_extra, bool, 0);
64 MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
67 * Scancode to keycode tables. These are just the default setting, and
68 * are loadable via a userland utility.
71 #define ATKBD_KEYMAP_SIZE 512
73 static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
75 #ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
77 /* XXX: need a more general approach */
79 #include "hpps2atkbd.h" /* include the keyboard scancodes */
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,
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,
94 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142,
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,
104 static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = {
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,
115 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0,
116 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168,
120 static const unsigned short atkbd_unxlate_table[128] = {
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
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
137 #define ATKBD_CMD_RESET_DIS 0x00f5
138 #define ATKBD_CMD_SETALL_MBR 0x00fa
139 #define ATKBD_CMD_RESET_BAT 0x02ff
140 #define ATKBD_CMD_RESEND 0x00fe
141 #define ATKBD_CMD_EX_ENABLE 0x10ea
142 #define ATKBD_CMD_EX_SETLEDS 0x20eb
143 #define ATKBD_CMD_OK_GETID 0x02e8
145 #define ATKBD_RET_ACK 0xfa
146 #define ATKBD_RET_NAK 0xfe
147 #define ATKBD_RET_BAT 0xaa
148 #define ATKBD_RET_EMUL0 0xe0
149 #define ATKBD_RET_EMUL1 0xe1
150 #define ATKBD_RET_RELEASE 0xf0
151 #define ATKBD_RET_HANJA 0xf1
152 #define ATKBD_RET_HANGEUL 0xf2
153 #define ATKBD_RET_ERR 0xff
155 #define ATKBD_KEY_UNKNOWN 0
156 #define ATKBD_KEY_NULL 255
158 #define ATKBD_SCR_1 254
159 #define ATKBD_SCR_2 253
160 #define ATKBD_SCR_4 252
161 #define ATKBD_SCR_8 251
162 #define ATKBD_SCR_CLICK 250
163 #define ATKBD_SCR_LEFT 249
164 #define ATKBD_SCR_RIGHT 248
166 #define ATKBD_SPECIAL ATKBD_SCR_RIGHT
168 #define ATKBD_LED_EVENT_BIT 0
169 #define ATKBD_REP_EVENT_BIT 1
171 #define ATKBD_XL_ERR 0x01
172 #define ATKBD_XL_BAT 0x02
173 #define ATKBD_XL_ACK 0x04
174 #define ATKBD_XL_NAK 0x08
175 #define ATKBD_XL_HANGEUL 0x10
176 #define ATKBD_XL_HANJA 0x20
178 static const struct {
179 unsigned char keycode;
181 } atkbd_scroll_keys[] = {
182 { ATKBD_SCR_1, 0xc5 },
183 { ATKBD_SCR_2, 0x9d },
184 { ATKBD_SCR_4, 0xa4 },
185 { ATKBD_SCR_8, 0x9b },
186 { ATKBD_SCR_CLICK, 0xe0 },
187 { ATKBD_SCR_LEFT, 0xcb },
188 { ATKBD_SCR_RIGHT, 0xd2 },
192 * The atkbd control structure
197 struct ps2dev ps2dev;
198 struct input_dev *dev;
200 /* Written only during init */
205 unsigned short keycode[ATKBD_KEYMAP_SIZE];
206 DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE);
208 unsigned char translated;
211 unsigned char softrepeat;
212 unsigned char softraw;
213 unsigned char scroll;
214 unsigned char enabled;
216 /* Accessed only from interrupt */
218 unsigned char resend;
219 unsigned char release;
220 unsigned long xl_bit;
223 unsigned long err_count;
225 struct delayed_work event_work;
226 unsigned long event_jiffies;
227 struct mutex event_mutex;
228 unsigned long event_mask;
232 * System-specific keymap fixup routine
234 static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
235 static void *atkbd_platform_fixup_data;
237 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
238 ssize_t (*handler)(struct atkbd *, char *));
239 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
240 ssize_t (*handler)(struct atkbd *, const char *, size_t));
241 #define ATKBD_DEFINE_ATTR(_name) \
242 static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
243 static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
244 static ssize_t atkbd_do_show_##_name(struct device *d, \
245 struct device_attribute *attr, char *b) \
247 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
249 static ssize_t atkbd_do_set_##_name(struct device *d, \
250 struct device_attribute *attr, const char *b, size_t s) \
252 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
254 static struct device_attribute atkbd_attr_##_name = \
255 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
257 ATKBD_DEFINE_ATTR(extra);
258 ATKBD_DEFINE_ATTR(force_release);
259 ATKBD_DEFINE_ATTR(scroll);
260 ATKBD_DEFINE_ATTR(set);
261 ATKBD_DEFINE_ATTR(softrepeat);
262 ATKBD_DEFINE_ATTR(softraw);
264 #define ATKBD_DEFINE_RO_ATTR(_name) \
265 static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
266 static ssize_t atkbd_do_show_##_name(struct device *d, \
267 struct device_attribute *attr, char *b) \
269 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
271 static struct device_attribute atkbd_attr_##_name = \
272 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
274 ATKBD_DEFINE_RO_ATTR(err_count);
276 static struct attribute *atkbd_attributes[] = {
277 &atkbd_attr_extra.attr,
278 &atkbd_attr_force_release.attr,
279 &atkbd_attr_scroll.attr,
280 &atkbd_attr_set.attr,
281 &atkbd_attr_softrepeat.attr,
282 &atkbd_attr_softraw.attr,
283 &atkbd_attr_err_count.attr,
287 static struct attribute_group atkbd_attribute_group = {
288 .attrs = atkbd_attributes,
291 static const unsigned int xl_table[] = {
292 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
293 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
297 * Checks if we should mangle the scancode to extract 'release' bit
298 * in translated mode.
300 static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
304 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
307 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
308 if (code == xl_table[i])
309 return test_bit(i, &xl_bit);
315 * Calculates new value of xl_bit so the driver can distinguish
316 * between make/break pair of scancodes for select keys and PS/2
317 * protocol responses.
319 static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
323 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
324 if (!((code ^ xl_table[i]) & 0x7f)) {
326 __clear_bit(i, &atkbd->xl_bit);
328 __set_bit(i, &atkbd->xl_bit);
335 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
336 * keeping kernel 2.4 compatibility for set 2
338 static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
340 if (atkbd->set == 3) {
341 if (atkbd->emul == 1)
344 code = (code & 0x7f) | ((code & 0x80) << 1);
345 if (atkbd->emul == 1)
353 * atkbd_interrupt(). Here takes place processing of data received from
354 * the keyboard into events.
357 static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
360 struct atkbd *atkbd = serio_get_drvdata(serio);
361 struct input_dev *dev = atkbd->dev;
362 unsigned int code = data;
363 int scroll = 0, hscroll = 0, click = -1;
365 unsigned short keycode;
368 printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
371 #if !defined(__i386__) && !defined (__x86_64__)
372 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
373 printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
374 serio_write(serio, ATKBD_CMD_RESEND);
379 if (!flags && data == ATKBD_RET_ACK)
383 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
384 if (ps2_handle_ack(&atkbd->ps2dev, data))
387 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
388 if (ps2_handle_response(&atkbd->ps2dev, data))
394 input_event(dev, EV_MSC, MSC_RAW, code);
396 if (atkbd->translated) {
398 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
399 atkbd->release = code >> 7;
404 atkbd_calculate_xl_bit(atkbd, data);
410 serio_reconnect(atkbd->ps2dev.serio);
412 case ATKBD_RET_EMUL0:
415 case ATKBD_RET_EMUL1:
418 case ATKBD_RET_RELEASE:
423 if (printk_ratelimit())
424 printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
425 "Some program might be trying access hardware directly.\n",
426 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
431 printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
436 code = atkbd_compat_scancode(atkbd, code);
438 if (atkbd->emul && --atkbd->emul)
441 keycode = atkbd->keycode[code];
443 if (keycode != ATKBD_KEY_NULL)
444 input_event(dev, EV_MSC, MSC_SCAN, code);
449 case ATKBD_KEY_UNKNOWN:
451 "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
452 atkbd->release ? "released" : "pressed",
453 atkbd->translated ? "translated" : "raw",
454 atkbd->set, code, serio->phys);
456 "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
457 code & 0x80 ? "e0" : "", code & 0x7f);
461 scroll = 1 - atkbd->release * 2;
464 scroll = 2 - atkbd->release * 4;
467 scroll = 4 - atkbd->release * 8;
470 scroll = 8 - atkbd->release * 16;
472 case ATKBD_SCR_CLICK:
473 click = !atkbd->release;
478 case ATKBD_SCR_RIGHT:
482 if (atkbd->release) {
485 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
486 /* Workaround Toshiba laptop multiple keypress */
487 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
491 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
494 input_event(dev, EV_KEY, keycode, value);
497 if (value && test_bit(code, atkbd->force_release_mask)) {
498 input_report_key(dev, keycode, 0);
505 input_report_key(dev, BTN_MIDDLE, click);
506 input_report_rel(dev, REL_WHEEL, scroll);
507 input_report_rel(dev, REL_HWHEEL, hscroll);
516 static int atkbd_set_repeat_rate(struct atkbd *atkbd)
518 const short period[32] =
519 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
520 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
521 const short delay[4] =
522 { 250, 500, 750, 1000 };
524 struct input_dev *dev = atkbd->dev;
528 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
530 dev->rep[REP_PERIOD] = period[i];
532 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
534 dev->rep[REP_DELAY] = delay[j];
536 param = i | (j << 5);
537 return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP);
540 static int atkbd_set_leds(struct atkbd *atkbd)
542 struct input_dev *dev = atkbd->dev;
543 unsigned char param[2];
545 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
546 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
547 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
548 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
553 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
554 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
555 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
556 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
557 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
558 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
566 * atkbd_event_work() is used to complete processing of events that
567 * can not be processed by input_event() which is often called from
571 static void atkbd_event_work(struct work_struct *work)
573 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
575 mutex_lock(&atkbd->event_mutex);
577 if (!atkbd->enabled) {
579 * Serio ports are resumed asynchronously so while driver core
580 * thinks that device is already fully operational in reality
581 * it may not be ready yet. In this case we need to keep
582 * rescheduling till reconnect completes.
584 schedule_delayed_work(&atkbd->event_work,
585 msecs_to_jiffies(100));
587 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
588 atkbd_set_leds(atkbd);
590 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
591 atkbd_set_repeat_rate(atkbd);
594 mutex_unlock(&atkbd->event_mutex);
598 * Schedule switch for execution. We need to throttle requests,
599 * otherwise keyboard may become unresponsive.
601 static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
603 unsigned long delay = msecs_to_jiffies(50);
605 if (time_after(jiffies, atkbd->event_jiffies + delay))
608 atkbd->event_jiffies = jiffies;
609 set_bit(event_bit, &atkbd->event_mask);
611 schedule_delayed_work(&atkbd->event_work, delay);
615 * Event callback from the input module. Events that change the state of
616 * the hardware are processed here. If action can not be performed in
617 * interrupt context it is offloaded to atkbd_event_work.
620 static int atkbd_event(struct input_dev *dev,
621 unsigned int type, unsigned int code, int value)
623 struct atkbd *atkbd = input_get_drvdata(dev);
631 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
635 if (!atkbd->softrepeat)
636 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
644 * atkbd_enable() signals that interrupt handler is allowed to
645 * generate input events.
648 static inline void atkbd_enable(struct atkbd *atkbd)
650 serio_pause_rx(atkbd->ps2dev.serio);
652 serio_continue_rx(atkbd->ps2dev.serio);
656 * atkbd_disable() tells input handler that all incoming data except
657 * for ACKs and command response should be dropped.
660 static inline void atkbd_disable(struct atkbd *atkbd)
662 serio_pause_rx(atkbd->ps2dev.serio);
664 serio_continue_rx(atkbd->ps2dev.serio);
668 * atkbd_probe() probes for an AT keyboard on a serio port.
671 static int atkbd_probe(struct atkbd *atkbd)
673 struct ps2dev *ps2dev = &atkbd->ps2dev;
674 unsigned char param[2];
677 * Some systems, where the bit-twiddling when testing the io-lines of the
678 * controller may confuse the keyboard need a full reset of the keyboard. On
679 * these systems the BIOS also usually doesn't do it for us.
683 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
684 printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
687 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
688 * Some keyboards report different values, but the first byte is always 0xab or
689 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
690 * should make sure we don't try to set the LEDs on it.
693 param[0] = param[1] = 0xa5; /* initialize with invalid values */
694 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
697 * If the get ID command failed, we check if we can at least set the LEDs on
698 * the keyboard. This should work on every keyboard out there. It also turns
699 * the LEDs off, which we want anyway.
702 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
708 if (!ps2_is_keyboard_id(param[0]))
711 atkbd->id = (param[0] << 8) | param[1];
713 if (atkbd->id == 0xaca1 && atkbd->translated) {
714 printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
715 printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
723 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
724 * sets it into that. Unfortunately there are keyboards that can be switched
725 * to Set 3, but don't work well in that (BTC Multimedia ...)
728 static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
730 struct ps2dev *ps2dev = &atkbd->ps2dev;
731 unsigned char param[2];
735 * For known special keyboards we can go ahead and set the correct set.
736 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
737 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
740 if (atkbd->translated)
743 if (atkbd->id == 0xaca1) {
745 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
751 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
760 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
761 atkbd->id = param[0] << 8 | param[1];
766 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
770 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
775 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
779 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
784 static int atkbd_reset_state(struct atkbd *atkbd)
786 struct ps2dev *ps2dev = &atkbd->ps2dev;
787 unsigned char param[1];
790 * Set the LEDs to a predefined state (all off).
794 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
798 * Set autorepeat to fastest possible.
802 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
808 static int atkbd_activate(struct atkbd *atkbd)
810 struct ps2dev *ps2dev = &atkbd->ps2dev;
813 * Enable the keyboard to receive keystrokes.
816 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
817 printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
818 ps2dev->serio->phys);
826 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
830 static void atkbd_cleanup(struct serio *serio)
832 struct atkbd *atkbd = serio_get_drvdata(serio);
834 atkbd_disable(atkbd);
835 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
840 * atkbd_disconnect() closes and frees.
843 static void atkbd_disconnect(struct serio *serio)
845 struct atkbd *atkbd = serio_get_drvdata(serio);
847 atkbd_disable(atkbd);
849 /* make sure we don't have a command in flight */
850 cancel_delayed_work_sync(&atkbd->event_work);
852 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
853 input_unregister_device(atkbd->dev);
855 serio_set_drvdata(serio, NULL);
860 * generate release events for the keycodes given in data
862 static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
865 const unsigned int *keys = data;
869 for (i = 0; keys[i] != -1U; i++)
870 __set_bit(keys[i], atkbd->force_release_mask);
874 * Most special keys (Fn+F?) on Dell laptops do not generate release
875 * events so we have to do it ourselves.
877 static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
878 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
882 * Perform fixup for HP system that doesn't generate release
883 * for its video switch
885 static unsigned int atkbd_hp_forced_release_keys[] = {
890 * Samsung NC10,NC20 with Fn+F? key release not working
892 static unsigned int atkbd_samsung_forced_release_keys[] = {
893 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
897 * Amilo Pi 3525 key release for Fn+Volume keys not working
899 static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
900 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
904 * Amilo Xi 3650 key release for light touch bar not working
906 static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
907 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
911 * Soltech TA12 system with broken key release on volume keys and mute key
913 static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
914 0xa0, 0xae, 0xb0, -1U
918 * Many notebooks don't send key release event for volume up/down
919 * keys, with key list below common among them
921 static unsigned int atkbd_volume_forced_release_keys[] = {
926 * atkbd_set_keycode_table() initializes keyboard's keycode table
927 * according to the selected scancode set
930 static void atkbd_set_keycode_table(struct atkbd *atkbd)
932 unsigned int scancode;
935 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
936 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
938 if (atkbd->translated) {
939 for (i = 0; i < 128; i++) {
940 scancode = atkbd_unxlate_table[i];
941 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
942 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
944 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
945 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
946 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
948 } else if (atkbd->set == 3) {
949 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
951 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
954 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
955 scancode = atkbd_scroll_keys[i].set2;
956 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
961 * HANGEUL and HANJA keys do not send release events so we need to
962 * generate such events ourselves
964 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
965 atkbd->keycode[scancode] = KEY_HANGEUL;
966 __set_bit(scancode, atkbd->force_release_mask);
968 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
969 atkbd->keycode[scancode] = KEY_HANJA;
970 __set_bit(scancode, atkbd->force_release_mask);
973 * Perform additional fixups
975 if (atkbd_platform_fixup)
976 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
980 * atkbd_set_device_attrs() sets up keyboard's input device structure
983 static void atkbd_set_device_attrs(struct atkbd *atkbd)
985 struct input_dev *input_dev = atkbd->dev;
989 snprintf(atkbd->name, sizeof(atkbd->name),
990 "AT Set 2 Extra keyboard");
992 snprintf(atkbd->name, sizeof(atkbd->name),
993 "AT %s Set %d keyboard",
994 atkbd->translated ? "Translated" : "Raw", atkbd->set);
996 snprintf(atkbd->phys, sizeof(atkbd->phys),
997 "%s/input0", atkbd->ps2dev.serio->phys);
999 input_dev->name = atkbd->name;
1000 input_dev->phys = atkbd->phys;
1001 input_dev->id.bustype = BUS_I8042;
1002 input_dev->id.vendor = 0x0001;
1003 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1004 input_dev->id.version = atkbd->id;
1005 input_dev->event = atkbd_event;
1006 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1008 input_set_drvdata(input_dev, atkbd);
1010 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1014 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1015 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1016 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1020 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1021 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1022 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1024 if (!atkbd->softrepeat) {
1025 input_dev->rep[REP_DELAY] = 250;
1026 input_dev->rep[REP_PERIOD] = 33;
1029 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1030 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1032 if (atkbd->scroll) {
1033 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1034 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1035 BIT_MASK(REL_HWHEEL);
1036 __set_bit(BTN_MIDDLE, input_dev->keybit);
1039 input_dev->keycode = atkbd->keycode;
1040 input_dev->keycodesize = sizeof(unsigned short);
1041 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1043 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++)
1044 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
1045 __set_bit(atkbd->keycode[i], input_dev->keybit);
1049 * atkbd_connect() is called when the serio module finds an interface
1050 * that isn't handled yet by an appropriate device driver. We check if
1051 * there is an AT keyboard out there and if yes, we register ourselves
1052 * to the input module.
1055 static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1057 struct atkbd *atkbd;
1058 struct input_dev *dev;
1061 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1062 dev = input_allocate_device();
1067 ps2_init(&atkbd->ps2dev, serio);
1068 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
1069 mutex_init(&atkbd->event_mutex);
1071 switch (serio->id.type) {
1074 atkbd->translated = 1;
1081 atkbd->softraw = atkbd_softraw;
1082 atkbd->softrepeat = atkbd_softrepeat;
1083 atkbd->scroll = atkbd_scroll;
1085 if (atkbd->softrepeat)
1088 serio_set_drvdata(serio, atkbd);
1090 err = serio_open(serio, drv);
1096 if (atkbd_probe(atkbd)) {
1101 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
1102 atkbd_reset_state(atkbd);
1103 atkbd_activate(atkbd);
1110 atkbd_set_keycode_table(atkbd);
1111 atkbd_set_device_attrs(atkbd);
1113 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1117 atkbd_enable(atkbd);
1119 err = input_register_device(atkbd->dev);
1125 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1126 fail3: serio_close(serio);
1127 fail2: serio_set_drvdata(serio, NULL);
1128 fail1: input_free_device(dev);
1134 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1135 * most likely called on resume.
1138 static int atkbd_reconnect(struct serio *serio)
1140 struct atkbd *atkbd = serio_get_drvdata(serio);
1141 struct serio_driver *drv = serio->drv;
1143 if (!atkbd || !drv) {
1144 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1148 atkbd_disable(atkbd);
1151 if (atkbd_probe(atkbd))
1153 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1156 atkbd_activate(atkbd);
1159 atkbd_enable(atkbd);
1164 static struct serio_device_id atkbd_serio_ids[] = {
1172 .type = SERIO_8042_XL,
1178 .type = SERIO_RS232,
1179 .proto = SERIO_PS2SER,
1186 MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1188 static struct serio_driver atkbd_drv = {
1192 .description = DRIVER_DESC,
1193 .id_table = atkbd_serio_ids,
1194 .interrupt = atkbd_interrupt,
1195 .connect = atkbd_connect,
1196 .reconnect = atkbd_reconnect,
1197 .disconnect = atkbd_disconnect,
1198 .cleanup = atkbd_cleanup,
1201 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1202 ssize_t (*handler)(struct atkbd *, char *))
1204 struct serio *serio = to_serio_port(dev);
1207 retval = serio_pin_driver(serio);
1211 if (serio->drv != &atkbd_drv) {
1216 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1219 serio_unpin_driver(serio);
1223 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1224 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1226 struct serio *serio = to_serio_port(dev);
1227 struct atkbd *atkbd;
1230 retval = serio_pin_driver(serio);
1234 if (serio->drv != &atkbd_drv) {
1239 atkbd = serio_get_drvdata(serio);
1240 atkbd_disable(atkbd);
1241 retval = handler(atkbd, buf, count);
1242 atkbd_enable(atkbd);
1245 serio_unpin_driver(serio);
1249 static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1251 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1254 static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1256 struct input_dev *old_dev, *new_dev;
1257 unsigned long value;
1259 unsigned char old_extra, old_set;
1264 if (strict_strtoul(buf, 10, &value) || value > 1)
1267 if (atkbd->extra != value) {
1269 * Since device's properties will change we need to
1270 * unregister old device. But allocate and register
1271 * new one first to make sure we have it.
1273 old_dev = atkbd->dev;
1274 old_extra = atkbd->extra;
1275 old_set = atkbd->set;
1277 new_dev = input_allocate_device();
1281 atkbd->dev = new_dev;
1282 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
1283 atkbd_reset_state(atkbd);
1284 atkbd_activate(atkbd);
1285 atkbd_set_keycode_table(atkbd);
1286 atkbd_set_device_attrs(atkbd);
1288 err = input_register_device(atkbd->dev);
1290 input_free_device(new_dev);
1292 atkbd->dev = old_dev;
1293 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1294 atkbd_set_keycode_table(atkbd);
1295 atkbd_set_device_attrs(atkbd);
1299 input_unregister_device(old_dev);
1305 static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1307 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1308 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1316 static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1317 const char *buf, size_t count)
1319 /* 64 bytes on stack should be acceptable */
1320 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1323 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1327 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1332 static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1334 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1337 static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1339 struct input_dev *old_dev, *new_dev;
1340 unsigned long value;
1342 unsigned char old_scroll;
1344 if (strict_strtoul(buf, 10, &value) || value > 1)
1347 if (atkbd->scroll != value) {
1348 old_dev = atkbd->dev;
1349 old_scroll = atkbd->scroll;
1351 new_dev = input_allocate_device();
1355 atkbd->dev = new_dev;
1356 atkbd->scroll = value;
1357 atkbd_set_keycode_table(atkbd);
1358 atkbd_set_device_attrs(atkbd);
1360 err = input_register_device(atkbd->dev);
1362 input_free_device(new_dev);
1364 atkbd->scroll = old_scroll;
1365 atkbd->dev = old_dev;
1366 atkbd_set_keycode_table(atkbd);
1367 atkbd_set_device_attrs(atkbd);
1371 input_unregister_device(old_dev);
1376 static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1378 return sprintf(buf, "%d\n", atkbd->set);
1381 static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1383 struct input_dev *old_dev, *new_dev;
1384 unsigned long value;
1386 unsigned char old_set, old_extra;
1391 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1394 if (atkbd->set != value) {
1395 old_dev = atkbd->dev;
1396 old_extra = atkbd->extra;
1397 old_set = atkbd->set;
1399 new_dev = input_allocate_device();
1403 atkbd->dev = new_dev;
1404 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1405 atkbd_activate(atkbd);
1406 atkbd_set_keycode_table(atkbd);
1407 atkbd_set_device_attrs(atkbd);
1409 err = input_register_device(atkbd->dev);
1411 input_free_device(new_dev);
1413 atkbd->dev = old_dev;
1414 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1415 atkbd_set_keycode_table(atkbd);
1416 atkbd_set_device_attrs(atkbd);
1420 input_unregister_device(old_dev);
1425 static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1427 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1430 static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1432 struct input_dev *old_dev, *new_dev;
1433 unsigned long value;
1435 unsigned char old_softrepeat, old_softraw;
1440 if (strict_strtoul(buf, 10, &value) || value > 1)
1443 if (atkbd->softrepeat != value) {
1444 old_dev = atkbd->dev;
1445 old_softrepeat = atkbd->softrepeat;
1446 old_softraw = atkbd->softraw;
1448 new_dev = input_allocate_device();
1452 atkbd->dev = new_dev;
1453 atkbd->softrepeat = value;
1454 if (atkbd->softrepeat)
1456 atkbd_set_device_attrs(atkbd);
1458 err = input_register_device(atkbd->dev);
1460 input_free_device(new_dev);
1462 atkbd->dev = old_dev;
1463 atkbd->softrepeat = old_softrepeat;
1464 atkbd->softraw = old_softraw;
1465 atkbd_set_device_attrs(atkbd);
1469 input_unregister_device(old_dev);
1475 static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1477 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1480 static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1482 struct input_dev *old_dev, *new_dev;
1483 unsigned long value;
1485 unsigned char old_softraw;
1487 if (strict_strtoul(buf, 10, &value) || value > 1)
1490 if (atkbd->softraw != value) {
1491 old_dev = atkbd->dev;
1492 old_softraw = atkbd->softraw;
1494 new_dev = input_allocate_device();
1498 atkbd->dev = new_dev;
1499 atkbd->softraw = value;
1500 atkbd_set_device_attrs(atkbd);
1502 err = input_register_device(atkbd->dev);
1504 input_free_device(new_dev);
1506 atkbd->dev = old_dev;
1507 atkbd->softraw = old_softraw;
1508 atkbd_set_device_attrs(atkbd);
1512 input_unregister_device(old_dev);
1517 static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1519 return sprintf(buf, "%lu\n", atkbd->err_count);
1522 static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
1524 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1525 atkbd_platform_fixup_data = id->driver_data;
1530 static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
1532 .ident = "Dell Laptop",
1534 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1535 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1537 .callback = atkbd_setup_forced_release,
1538 .driver_data = atkbd_dell_laptop_forced_release_keys,
1541 .ident = "Dell Laptop",
1543 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1544 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1546 .callback = atkbd_setup_forced_release,
1547 .driver_data = atkbd_dell_laptop_forced_release_keys,
1552 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1553 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1555 .callback = atkbd_setup_forced_release,
1556 .driver_data = atkbd_hp_forced_release_keys,
1559 .ident = "HP Pavilion ZV6100",
1561 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1562 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1564 .callback = atkbd_setup_forced_release,
1565 .driver_data = atkbd_volume_forced_release_keys,
1568 .ident = "HP Presario R4000",
1570 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1571 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1573 .callback = atkbd_setup_forced_release,
1574 .driver_data = atkbd_volume_forced_release_keys,
1577 .ident = "HP Presario R4100",
1579 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1580 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1582 .callback = atkbd_setup_forced_release,
1583 .driver_data = atkbd_volume_forced_release_keys,
1586 .ident = "HP Presario R4200",
1588 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1589 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1591 .callback = atkbd_setup_forced_release,
1592 .driver_data = atkbd_volume_forced_release_keys,
1595 .ident = "Inventec Symphony",
1597 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1598 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1600 .callback = atkbd_setup_forced_release,
1601 .driver_data = atkbd_volume_forced_release_keys,
1604 .ident = "Samsung NC10",
1606 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1607 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1609 .callback = atkbd_setup_forced_release,
1610 .driver_data = atkbd_samsung_forced_release_keys,
1613 .ident = "Samsung NC20",
1615 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1616 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1618 .callback = atkbd_setup_forced_release,
1619 .driver_data = atkbd_samsung_forced_release_keys,
1622 .ident = "Samsung SQ45S70S",
1624 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1625 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1627 .callback = atkbd_setup_forced_release,
1628 .driver_data = atkbd_samsung_forced_release_keys,
1631 .ident = "Fujitsu Amilo PA 1510",
1633 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1634 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1636 .callback = atkbd_setup_forced_release,
1637 .driver_data = atkbd_volume_forced_release_keys,
1640 .ident = "Fujitsu Amilo Pi 3525",
1642 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1643 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1645 .callback = atkbd_setup_forced_release,
1646 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1649 .ident = "Fujitsu Amilo Xi 3650",
1651 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1652 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1654 .callback = atkbd_setup_forced_release,
1655 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1658 .ident = "Soltech Corporation TA12",
1660 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1661 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1663 .callback = atkbd_setup_forced_release,
1664 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1669 static int __init atkbd_init(void)
1671 dmi_check_system(atkbd_dmi_quirk_table);
1673 return serio_register_driver(&atkbd_drv);
1676 static void __exit atkbd_exit(void)
1678 serio_unregister_driver(&atkbd_drv);
1681 module_init(atkbd_init);
1682 module_exit(atkbd_exit);