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 ketymap 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 (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
578 atkbd_set_leds(atkbd);
580 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
581 atkbd_set_repeat_rate(atkbd);
583 mutex_unlock(&atkbd->event_mutex);
587 * Schedule switch for execution. We need to throttle requests,
588 * otherwise keyboard may become unresponsive.
590 static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
592 unsigned long delay = msecs_to_jiffies(50);
594 if (time_after(jiffies, atkbd->event_jiffies + delay))
597 atkbd->event_jiffies = jiffies;
598 set_bit(event_bit, &atkbd->event_mask);
600 schedule_delayed_work(&atkbd->event_work, delay);
604 * Event callback from the input module. Events that change the state of
605 * the hardware are processed here. If action can not be performed in
606 * interrupt context it is offloaded to atkbd_event_work.
609 static int atkbd_event(struct input_dev *dev,
610 unsigned int type, unsigned int code, int value)
612 struct atkbd *atkbd = input_get_drvdata(dev);
620 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
624 if (!atkbd->softrepeat)
625 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
633 * atkbd_enable() signals that interrupt handler is allowed to
634 * generate input events.
637 static inline void atkbd_enable(struct atkbd *atkbd)
639 serio_pause_rx(atkbd->ps2dev.serio);
641 serio_continue_rx(atkbd->ps2dev.serio);
645 * atkbd_disable() tells input handler that all incoming data except
646 * for ACKs and command response should be dropped.
649 static inline void atkbd_disable(struct atkbd *atkbd)
651 serio_pause_rx(atkbd->ps2dev.serio);
653 serio_continue_rx(atkbd->ps2dev.serio);
657 * atkbd_probe() probes for an AT keyboard on a serio port.
660 static int atkbd_probe(struct atkbd *atkbd)
662 struct ps2dev *ps2dev = &atkbd->ps2dev;
663 unsigned char param[2];
666 * Some systems, where the bit-twiddling when testing the io-lines of the
667 * controller may confuse the keyboard need a full reset of the keyboard. On
668 * these systems the BIOS also usually doesn't do it for us.
672 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
673 printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
676 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
677 * Some keyboards report different values, but the first byte is always 0xab or
678 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
679 * should make sure we don't try to set the LEDs on it.
682 param[0] = param[1] = 0xa5; /* initialize with invalid values */
683 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
686 * If the get ID command failed, we check if we can at least set the LEDs on
687 * the keyboard. This should work on every keyboard out there. It also turns
688 * the LEDs off, which we want anyway.
691 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
697 if (!ps2_is_keyboard_id(param[0]))
700 atkbd->id = (param[0] << 8) | param[1];
702 if (atkbd->id == 0xaca1 && atkbd->translated) {
703 printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
704 printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
712 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
713 * sets it into that. Unfortunately there are keyboards that can be switched
714 * to Set 3, but don't work well in that (BTC Multimedia ...)
717 static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
719 struct ps2dev *ps2dev = &atkbd->ps2dev;
720 unsigned char param[2];
724 * For known special keyboards we can go ahead and set the correct set.
725 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
726 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
729 if (atkbd->translated)
732 if (atkbd->id == 0xaca1) {
734 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
740 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
749 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
750 atkbd->id = param[0] << 8 | param[1];
755 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
759 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
764 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
768 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
773 static int atkbd_reset_state(struct atkbd *atkbd)
775 struct ps2dev *ps2dev = &atkbd->ps2dev;
776 unsigned char param[1];
779 * Set the LEDs to a predefined state (all off).
783 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
787 * Set autorepeat to fastest possible.
791 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
797 static int atkbd_activate(struct atkbd *atkbd)
799 struct ps2dev *ps2dev = &atkbd->ps2dev;
802 * Enable the keyboard to receive keystrokes.
805 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
806 printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
807 ps2dev->serio->phys);
815 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
819 static void atkbd_cleanup(struct serio *serio)
821 struct atkbd *atkbd = serio_get_drvdata(serio);
823 atkbd_disable(atkbd);
824 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
829 * atkbd_disconnect() closes and frees.
832 static void atkbd_disconnect(struct serio *serio)
834 struct atkbd *atkbd = serio_get_drvdata(serio);
836 atkbd_disable(atkbd);
838 /* make sure we don't have a command in flight */
839 cancel_delayed_work_sync(&atkbd->event_work);
841 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
842 input_unregister_device(atkbd->dev);
844 serio_set_drvdata(serio, NULL);
849 * generate release events for the keycodes given in data
851 static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
854 const unsigned int *keys = data;
858 for (i = 0; keys[i] != -1U; i++)
859 __set_bit(keys[i], atkbd->force_release_mask);
863 * Most special keys (Fn+F?) on Dell laptops do not generate release
864 * events so we have to do it ourselves.
866 static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
867 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
871 * Perform fixup for HP system that doesn't generate release
872 * for its video switch
874 static unsigned int atkbd_hp_forced_release_keys[] = {
879 * Inventec system with broken key release on volume keys
881 static unsigned int atkbd_inventec_forced_release_keys[] = {
886 * Perform fixup for HP Pavilion ZV6100 laptop that doesn't generate release
887 * for its volume buttons
889 static unsigned int atkbd_hp_zv6100_forced_release_keys[] = {
894 * Perform fixup for HP (Compaq) Presario R4000 R4100 R4200 that don't generate
895 * release for their volume buttons
897 static unsigned int atkbd_hp_r4000_forced_release_keys[] = {
902 * Samsung NC10,NC20 with Fn+F? key release not working
904 static unsigned int atkbd_samsung_forced_release_keys[] = {
905 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
909 * The volume up and volume down special keys on a Fujitsu Amilo PA 1510 laptop
910 * do not generate release events so we have to do it ourselves.
912 static unsigned int atkbd_amilo_pa1510_forced_release_keys[] = {
917 * Amilo Pi 3525 key release for Fn+Volume keys not working
919 static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
920 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
924 * Amilo Xi 3650 key release for light touch bar not working
926 static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
927 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
931 * Soltech TA12 system with broken key release on volume keys and mute key
933 static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
934 0xa0, 0xae, 0xb0, -1U
938 * atkbd_set_keycode_table() initializes keyboard's keycode table
939 * according to the selected scancode set
942 static void atkbd_set_keycode_table(struct atkbd *atkbd)
944 unsigned int scancode;
947 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
948 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
950 if (atkbd->translated) {
951 for (i = 0; i < 128; i++) {
952 scancode = atkbd_unxlate_table[i];
953 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
954 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
956 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
957 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
958 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
960 } else if (atkbd->set == 3) {
961 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
963 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
966 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
967 scancode = atkbd_scroll_keys[i].set2;
968 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
973 * HANGEUL and HANJA keys do not send release events so we need to
974 * generate such events ourselves
976 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
977 atkbd->keycode[scancode] = KEY_HANGEUL;
978 __set_bit(scancode, atkbd->force_release_mask);
980 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
981 atkbd->keycode[scancode] = KEY_HANJA;
982 __set_bit(scancode, atkbd->force_release_mask);
985 * Perform additional fixups
987 if (atkbd_platform_fixup)
988 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
992 * atkbd_set_device_attrs() sets up keyboard's input device structure
995 static void atkbd_set_device_attrs(struct atkbd *atkbd)
997 struct input_dev *input_dev = atkbd->dev;
1001 snprintf(atkbd->name, sizeof(atkbd->name),
1002 "AT Set 2 Extra keyboard");
1004 snprintf(atkbd->name, sizeof(atkbd->name),
1005 "AT %s Set %d keyboard",
1006 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1008 snprintf(atkbd->phys, sizeof(atkbd->phys),
1009 "%s/input0", atkbd->ps2dev.serio->phys);
1011 input_dev->name = atkbd->name;
1012 input_dev->phys = atkbd->phys;
1013 input_dev->id.bustype = BUS_I8042;
1014 input_dev->id.vendor = 0x0001;
1015 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1016 input_dev->id.version = atkbd->id;
1017 input_dev->event = atkbd_event;
1018 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1020 input_set_drvdata(input_dev, atkbd);
1022 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1026 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1027 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1028 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1032 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1033 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1034 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1036 if (!atkbd->softrepeat) {
1037 input_dev->rep[REP_DELAY] = 250;
1038 input_dev->rep[REP_PERIOD] = 33;
1041 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1042 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1044 if (atkbd->scroll) {
1045 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1046 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1047 BIT_MASK(REL_HWHEEL);
1048 __set_bit(BTN_MIDDLE, input_dev->keybit);
1051 input_dev->keycode = atkbd->keycode;
1052 input_dev->keycodesize = sizeof(unsigned short);
1053 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1055 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++)
1056 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
1057 __set_bit(atkbd->keycode[i], input_dev->keybit);
1061 * atkbd_connect() is called when the serio module finds an interface
1062 * that isn't handled yet by an appropriate device driver. We check if
1063 * there is an AT keyboard out there and if yes, we register ourselves
1064 * to the input module.
1067 static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1069 struct atkbd *atkbd;
1070 struct input_dev *dev;
1073 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1074 dev = input_allocate_device();
1079 ps2_init(&atkbd->ps2dev, serio);
1080 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
1081 mutex_init(&atkbd->event_mutex);
1083 switch (serio->id.type) {
1086 atkbd->translated = 1;
1093 atkbd->softraw = atkbd_softraw;
1094 atkbd->softrepeat = atkbd_softrepeat;
1095 atkbd->scroll = atkbd_scroll;
1097 if (atkbd->softrepeat)
1100 serio_set_drvdata(serio, atkbd);
1102 err = serio_open(serio, drv);
1108 if (atkbd_probe(atkbd)) {
1113 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
1114 atkbd_reset_state(atkbd);
1115 atkbd_activate(atkbd);
1122 atkbd_set_keycode_table(atkbd);
1123 atkbd_set_device_attrs(atkbd);
1125 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1129 atkbd_enable(atkbd);
1131 err = input_register_device(atkbd->dev);
1137 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1138 fail3: serio_close(serio);
1139 fail2: serio_set_drvdata(serio, NULL);
1140 fail1: input_free_device(dev);
1146 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1147 * most likely called on resume.
1150 static int atkbd_reconnect(struct serio *serio)
1152 struct atkbd *atkbd = serio_get_drvdata(serio);
1153 struct serio_driver *drv = serio->drv;
1155 if (!atkbd || !drv) {
1156 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1160 atkbd_disable(atkbd);
1163 if (atkbd_probe(atkbd))
1165 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1168 atkbd_activate(atkbd);
1171 atkbd_enable(atkbd);
1176 static struct serio_device_id atkbd_serio_ids[] = {
1184 .type = SERIO_8042_XL,
1190 .type = SERIO_RS232,
1191 .proto = SERIO_PS2SER,
1198 MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1200 static struct serio_driver atkbd_drv = {
1204 .description = DRIVER_DESC,
1205 .id_table = atkbd_serio_ids,
1206 .interrupt = atkbd_interrupt,
1207 .connect = atkbd_connect,
1208 .reconnect = atkbd_reconnect,
1209 .disconnect = atkbd_disconnect,
1210 .cleanup = atkbd_cleanup,
1213 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1214 ssize_t (*handler)(struct atkbd *, char *))
1216 struct serio *serio = to_serio_port(dev);
1219 retval = serio_pin_driver(serio);
1223 if (serio->drv != &atkbd_drv) {
1228 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1231 serio_unpin_driver(serio);
1235 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1236 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1238 struct serio *serio = to_serio_port(dev);
1239 struct atkbd *atkbd;
1242 retval = serio_pin_driver(serio);
1246 if (serio->drv != &atkbd_drv) {
1251 atkbd = serio_get_drvdata(serio);
1252 atkbd_disable(atkbd);
1253 retval = handler(atkbd, buf, count);
1254 atkbd_enable(atkbd);
1257 serio_unpin_driver(serio);
1261 static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1263 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1266 static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1268 struct input_dev *old_dev, *new_dev;
1269 unsigned long value;
1271 unsigned char old_extra, old_set;
1276 if (strict_strtoul(buf, 10, &value) || value > 1)
1279 if (atkbd->extra != value) {
1281 * Since device's properties will change we need to
1282 * unregister old device. But allocate and register
1283 * new one first to make sure we have it.
1285 old_dev = atkbd->dev;
1286 old_extra = atkbd->extra;
1287 old_set = atkbd->set;
1289 new_dev = input_allocate_device();
1293 atkbd->dev = new_dev;
1294 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
1295 atkbd_reset_state(atkbd);
1296 atkbd_activate(atkbd);
1297 atkbd_set_keycode_table(atkbd);
1298 atkbd_set_device_attrs(atkbd);
1300 err = input_register_device(atkbd->dev);
1302 input_free_device(new_dev);
1304 atkbd->dev = old_dev;
1305 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1306 atkbd_set_keycode_table(atkbd);
1307 atkbd_set_device_attrs(atkbd);
1311 input_unregister_device(old_dev);
1317 static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1319 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1320 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1328 static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1329 const char *buf, size_t count)
1331 /* 64 bytes on stack should be acceptable */
1332 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1335 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1339 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1344 static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1346 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1349 static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1351 struct input_dev *old_dev, *new_dev;
1352 unsigned long value;
1354 unsigned char old_scroll;
1356 if (strict_strtoul(buf, 10, &value) || value > 1)
1359 if (atkbd->scroll != value) {
1360 old_dev = atkbd->dev;
1361 old_scroll = atkbd->scroll;
1363 new_dev = input_allocate_device();
1367 atkbd->dev = new_dev;
1368 atkbd->scroll = value;
1369 atkbd_set_keycode_table(atkbd);
1370 atkbd_set_device_attrs(atkbd);
1372 err = input_register_device(atkbd->dev);
1374 input_free_device(new_dev);
1376 atkbd->scroll = old_scroll;
1377 atkbd->dev = old_dev;
1378 atkbd_set_keycode_table(atkbd);
1379 atkbd_set_device_attrs(atkbd);
1383 input_unregister_device(old_dev);
1388 static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1390 return sprintf(buf, "%d\n", atkbd->set);
1393 static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1395 struct input_dev *old_dev, *new_dev;
1396 unsigned long value;
1398 unsigned char old_set, old_extra;
1403 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1406 if (atkbd->set != value) {
1407 old_dev = atkbd->dev;
1408 old_extra = atkbd->extra;
1409 old_set = atkbd->set;
1411 new_dev = input_allocate_device();
1415 atkbd->dev = new_dev;
1416 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1417 atkbd_activate(atkbd);
1418 atkbd_set_keycode_table(atkbd);
1419 atkbd_set_device_attrs(atkbd);
1421 err = input_register_device(atkbd->dev);
1423 input_free_device(new_dev);
1425 atkbd->dev = old_dev;
1426 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1427 atkbd_set_keycode_table(atkbd);
1428 atkbd_set_device_attrs(atkbd);
1432 input_unregister_device(old_dev);
1437 static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1439 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1442 static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1444 struct input_dev *old_dev, *new_dev;
1445 unsigned long value;
1447 unsigned char old_softrepeat, old_softraw;
1452 if (strict_strtoul(buf, 10, &value) || value > 1)
1455 if (atkbd->softrepeat != value) {
1456 old_dev = atkbd->dev;
1457 old_softrepeat = atkbd->softrepeat;
1458 old_softraw = atkbd->softraw;
1460 new_dev = input_allocate_device();
1464 atkbd->dev = new_dev;
1465 atkbd->softrepeat = value;
1466 if (atkbd->softrepeat)
1468 atkbd_set_device_attrs(atkbd);
1470 err = input_register_device(atkbd->dev);
1472 input_free_device(new_dev);
1474 atkbd->dev = old_dev;
1475 atkbd->softrepeat = old_softrepeat;
1476 atkbd->softraw = old_softraw;
1477 atkbd_set_device_attrs(atkbd);
1481 input_unregister_device(old_dev);
1487 static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1489 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1492 static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1494 struct input_dev *old_dev, *new_dev;
1495 unsigned long value;
1497 unsigned char old_softraw;
1499 if (strict_strtoul(buf, 10, &value) || value > 1)
1502 if (atkbd->softraw != value) {
1503 old_dev = atkbd->dev;
1504 old_softraw = atkbd->softraw;
1506 new_dev = input_allocate_device();
1510 atkbd->dev = new_dev;
1511 atkbd->softraw = value;
1512 atkbd_set_device_attrs(atkbd);
1514 err = input_register_device(atkbd->dev);
1516 input_free_device(new_dev);
1518 atkbd->dev = old_dev;
1519 atkbd->softraw = old_softraw;
1520 atkbd_set_device_attrs(atkbd);
1524 input_unregister_device(old_dev);
1529 static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1531 return sprintf(buf, "%lu\n", atkbd->err_count);
1534 static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
1536 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1537 atkbd_platform_fixup_data = id->driver_data;
1542 static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
1544 .ident = "Dell Laptop",
1546 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1547 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1549 .callback = atkbd_setup_forced_release,
1550 .driver_data = atkbd_dell_laptop_forced_release_keys,
1553 .ident = "Dell Laptop",
1555 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1556 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1558 .callback = atkbd_setup_forced_release,
1559 .driver_data = atkbd_dell_laptop_forced_release_keys,
1564 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1565 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1567 .callback = atkbd_setup_forced_release,
1568 .driver_data = atkbd_hp_forced_release_keys,
1571 .ident = "HP Pavilion ZV6100",
1573 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1574 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1576 .callback = atkbd_setup_forced_release,
1577 .driver_data = atkbd_hp_zv6100_forced_release_keys,
1580 .ident = "HP Presario R4000",
1582 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1583 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1585 .callback = atkbd_setup_forced_release,
1586 .driver_data = atkbd_hp_r4000_forced_release_keys,
1589 .ident = "HP Presario R4100",
1591 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1592 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1594 .callback = atkbd_setup_forced_release,
1595 .driver_data = atkbd_hp_r4000_forced_release_keys,
1598 .ident = "HP Presario R4200",
1600 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1601 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1603 .callback = atkbd_setup_forced_release,
1604 .driver_data = atkbd_hp_r4000_forced_release_keys,
1607 .ident = "Inventec Symphony",
1609 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1610 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1612 .callback = atkbd_setup_forced_release,
1613 .driver_data = atkbd_inventec_forced_release_keys,
1616 .ident = "Samsung NC10",
1618 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1619 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1621 .callback = atkbd_setup_forced_release,
1622 .driver_data = atkbd_samsung_forced_release_keys,
1625 .ident = "Samsung NC20",
1627 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1628 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1630 .callback = atkbd_setup_forced_release,
1631 .driver_data = atkbd_samsung_forced_release_keys,
1634 .ident = "Samsung SQ45S70S",
1636 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1637 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1639 .callback = atkbd_setup_forced_release,
1640 .driver_data = atkbd_samsung_forced_release_keys,
1643 .ident = "Fujitsu Amilo PA 1510",
1645 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1646 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1648 .callback = atkbd_setup_forced_release,
1649 .driver_data = atkbd_amilo_pa1510_forced_release_keys,
1652 .ident = "Fujitsu Amilo Pi 3525",
1654 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1655 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1657 .callback = atkbd_setup_forced_release,
1658 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1661 .ident = "Fujitsu Amilo Xi 3650",
1663 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1664 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1666 .callback = atkbd_setup_forced_release,
1667 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1670 .ident = "Soltech Corporation TA12",
1672 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1673 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1675 .callback = atkbd_setup_forced_release,
1676 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1681 static int __init atkbd_init(void)
1683 dmi_check_system(atkbd_dmi_quirk_table);
1685 return serio_register_driver(&atkbd_drv);
1688 static void __exit atkbd_exit(void)
1690 serio_unregister_driver(&atkbd_drv);
1693 module_init(atkbd_init);
1694 module_exit(atkbd_exit);