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;
236 static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
238 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
239 ssize_t (*handler)(struct atkbd *, char *));
240 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
241 ssize_t (*handler)(struct atkbd *, const char *, size_t));
242 #define ATKBD_DEFINE_ATTR(_name) \
243 static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
244 static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
245 static ssize_t atkbd_do_show_##_name(struct device *d, \
246 struct device_attribute *attr, char *b) \
248 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
250 static ssize_t atkbd_do_set_##_name(struct device *d, \
251 struct device_attribute *attr, const char *b, size_t s) \
253 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
255 static struct device_attribute atkbd_attr_##_name = \
256 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
258 ATKBD_DEFINE_ATTR(extra);
259 ATKBD_DEFINE_ATTR(force_release);
260 ATKBD_DEFINE_ATTR(scroll);
261 ATKBD_DEFINE_ATTR(set);
262 ATKBD_DEFINE_ATTR(softrepeat);
263 ATKBD_DEFINE_ATTR(softraw);
265 #define ATKBD_DEFINE_RO_ATTR(_name) \
266 static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
267 static ssize_t atkbd_do_show_##_name(struct device *d, \
268 struct device_attribute *attr, char *b) \
270 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
272 static struct device_attribute atkbd_attr_##_name = \
273 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
275 ATKBD_DEFINE_RO_ATTR(err_count);
277 static struct attribute *atkbd_attributes[] = {
278 &atkbd_attr_extra.attr,
279 &atkbd_attr_force_release.attr,
280 &atkbd_attr_scroll.attr,
281 &atkbd_attr_set.attr,
282 &atkbd_attr_softrepeat.attr,
283 &atkbd_attr_softraw.attr,
284 &atkbd_attr_err_count.attr,
288 static struct attribute_group atkbd_attribute_group = {
289 .attrs = atkbd_attributes,
292 static const unsigned int xl_table[] = {
293 ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK,
294 ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL,
298 * Checks if we should mangle the scancode to extract 'release' bit
299 * in translated mode.
301 static int atkbd_need_xlate(unsigned long xl_bit, unsigned char code)
305 if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1)
308 for (i = 0; i < ARRAY_SIZE(xl_table); i++)
309 if (code == xl_table[i])
310 return test_bit(i, &xl_bit);
316 * Calculates new value of xl_bit so the driver can distinguish
317 * between make/break pair of scancodes for select keys and PS/2
318 * protocol responses.
320 static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code)
324 for (i = 0; i < ARRAY_SIZE(xl_table); i++) {
325 if (!((code ^ xl_table[i]) & 0x7f)) {
327 __clear_bit(i, &atkbd->xl_bit);
329 __set_bit(i, &atkbd->xl_bit);
336 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
337 * keeping kernel 2.4 compatibility for set 2
339 static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code)
341 if (atkbd->set == 3) {
342 if (atkbd->emul == 1)
345 code = (code & 0x7f) | ((code & 0x80) << 1);
346 if (atkbd->emul == 1)
354 * atkbd_interrupt(). Here takes place processing of data received from
355 * the keyboard into events.
358 static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
361 struct atkbd *atkbd = serio_get_drvdata(serio);
362 struct input_dev *dev = atkbd->dev;
363 unsigned int code = data;
364 int scroll = 0, hscroll = 0, click = -1;
366 unsigned short keycode;
369 printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags);
372 #if !defined(__i386__) && !defined (__x86_64__)
373 if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) {
374 printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags);
375 serio_write(serio, ATKBD_CMD_RESEND);
380 if (!flags && data == ATKBD_RET_ACK)
384 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK))
385 if (ps2_handle_ack(&atkbd->ps2dev, data))
388 if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD))
389 if (ps2_handle_response(&atkbd->ps2dev, data))
395 input_event(dev, EV_MSC, MSC_RAW, code);
397 if (atkbd_platform_scancode_fixup)
398 code = atkbd_platform_scancode_fixup(atkbd, code);
400 if (atkbd->translated) {
402 if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
403 atkbd->release = code >> 7;
408 atkbd_calculate_xl_bit(atkbd, data);
414 serio_reconnect(atkbd->ps2dev.serio);
416 case ATKBD_RET_EMUL0:
419 case ATKBD_RET_EMUL1:
422 case ATKBD_RET_RELEASE:
427 if (printk_ratelimit())
428 printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
429 "Some program might be trying access hardware directly.\n",
430 data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
435 printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys);
440 code = atkbd_compat_scancode(atkbd, code);
442 if (atkbd->emul && --atkbd->emul)
445 keycode = atkbd->keycode[code];
447 if (keycode != ATKBD_KEY_NULL)
448 input_event(dev, EV_MSC, MSC_SCAN, code);
453 case ATKBD_KEY_UNKNOWN:
455 "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
456 atkbd->release ? "released" : "pressed",
457 atkbd->translated ? "translated" : "raw",
458 atkbd->set, code, serio->phys);
460 "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
461 code & 0x80 ? "e0" : "", code & 0x7f);
465 scroll = 1 - atkbd->release * 2;
468 scroll = 2 - atkbd->release * 4;
471 scroll = 4 - atkbd->release * 8;
474 scroll = 8 - atkbd->release * 16;
476 case ATKBD_SCR_CLICK:
477 click = !atkbd->release;
482 case ATKBD_SCR_RIGHT:
486 if (atkbd->release) {
489 } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) {
490 /* Workaround Toshiba laptop multiple keypress */
491 value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2;
495 atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2;
498 input_event(dev, EV_KEY, keycode, value);
501 if (value && test_bit(code, atkbd->force_release_mask)) {
502 input_report_key(dev, keycode, 0);
509 input_report_key(dev, BTN_MIDDLE, click);
510 input_report_rel(dev, REL_WHEEL, scroll);
511 input_report_rel(dev, REL_HWHEEL, hscroll);
520 static int atkbd_set_repeat_rate(struct atkbd *atkbd)
522 const short period[32] =
523 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
524 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
525 const short delay[4] =
526 { 250, 500, 750, 1000 };
528 struct input_dev *dev = atkbd->dev;
532 while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD])
534 dev->rep[REP_PERIOD] = period[i];
536 while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY])
538 dev->rep[REP_DELAY] = delay[j];
540 param = i | (j << 5);
541 return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP);
544 static int atkbd_set_leds(struct atkbd *atkbd)
546 struct input_dev *dev = atkbd->dev;
547 unsigned char param[2];
549 param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
550 | (test_bit(LED_NUML, dev->led) ? 2 : 0)
551 | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
552 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS))
557 param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
558 | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
559 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
560 | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
561 | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
562 if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS))
570 * atkbd_event_work() is used to complete processing of events that
571 * can not be processed by input_event() which is often called from
575 static void atkbd_event_work(struct work_struct *work)
577 struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
579 mutex_lock(&atkbd->event_mutex);
581 if (!atkbd->enabled) {
583 * Serio ports are resumed asynchronously so while driver core
584 * thinks that device is already fully operational in reality
585 * it may not be ready yet. In this case we need to keep
586 * rescheduling till reconnect completes.
588 schedule_delayed_work(&atkbd->event_work,
589 msecs_to_jiffies(100));
591 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask))
592 atkbd_set_leds(atkbd);
594 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask))
595 atkbd_set_repeat_rate(atkbd);
598 mutex_unlock(&atkbd->event_mutex);
602 * Schedule switch for execution. We need to throttle requests,
603 * otherwise keyboard may become unresponsive.
605 static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
607 unsigned long delay = msecs_to_jiffies(50);
609 if (time_after(jiffies, atkbd->event_jiffies + delay))
612 atkbd->event_jiffies = jiffies;
613 set_bit(event_bit, &atkbd->event_mask);
615 schedule_delayed_work(&atkbd->event_work, delay);
619 * Event callback from the input module. Events that change the state of
620 * the hardware are processed here. If action can not be performed in
621 * interrupt context it is offloaded to atkbd_event_work.
624 static int atkbd_event(struct input_dev *dev,
625 unsigned int type, unsigned int code, int value)
627 struct atkbd *atkbd = input_get_drvdata(dev);
635 atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
639 if (!atkbd->softrepeat)
640 atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
648 * atkbd_enable() signals that interrupt handler is allowed to
649 * generate input events.
652 static inline void atkbd_enable(struct atkbd *atkbd)
654 serio_pause_rx(atkbd->ps2dev.serio);
656 serio_continue_rx(atkbd->ps2dev.serio);
660 * atkbd_disable() tells input handler that all incoming data except
661 * for ACKs and command response should be dropped.
664 static inline void atkbd_disable(struct atkbd *atkbd)
666 serio_pause_rx(atkbd->ps2dev.serio);
668 serio_continue_rx(atkbd->ps2dev.serio);
672 * atkbd_probe() probes for an AT keyboard on a serio port.
675 static int atkbd_probe(struct atkbd *atkbd)
677 struct ps2dev *ps2dev = &atkbd->ps2dev;
678 unsigned char param[2];
681 * Some systems, where the bit-twiddling when testing the io-lines of the
682 * controller may confuse the keyboard need a full reset of the keyboard. On
683 * these systems the BIOS also usually doesn't do it for us.
687 if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT))
688 printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys);
691 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
692 * Some keyboards report different values, but the first byte is always 0xab or
693 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
694 * should make sure we don't try to set the LEDs on it.
697 param[0] = param[1] = 0xa5; /* initialize with invalid values */
698 if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
701 * If the get ID command failed, we check if we can at least set the LEDs on
702 * the keyboard. This should work on every keyboard out there. It also turns
703 * the LEDs off, which we want anyway.
706 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
712 if (!ps2_is_keyboard_id(param[0]))
715 atkbd->id = (param[0] << 8) | param[1];
717 if (atkbd->id == 0xaca1 && atkbd->translated) {
718 printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
719 printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
727 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
728 * sets it into that. Unfortunately there are keyboards that can be switched
729 * to Set 3, but don't work well in that (BTC Multimedia ...)
732 static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra)
734 struct ps2dev *ps2dev = &atkbd->ps2dev;
735 unsigned char param[2];
739 * For known special keyboards we can go ahead and set the correct set.
740 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
741 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
744 if (atkbd->translated)
747 if (atkbd->id == 0xaca1) {
749 ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET);
755 if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) {
764 if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) {
765 atkbd->id = param[0] << 8 | param[1];
770 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
774 if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET))
779 if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET))
783 ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR);
788 static int atkbd_reset_state(struct atkbd *atkbd)
790 struct ps2dev *ps2dev = &atkbd->ps2dev;
791 unsigned char param[1];
794 * Set the LEDs to a predefined state (all off).
798 if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
802 * Set autorepeat to fastest possible.
806 if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP))
812 static int atkbd_activate(struct atkbd *atkbd)
814 struct ps2dev *ps2dev = &atkbd->ps2dev;
817 * Enable the keyboard to receive keystrokes.
820 if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) {
821 printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n",
822 ps2dev->serio->phys);
830 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
834 static void atkbd_cleanup(struct serio *serio)
836 struct atkbd *atkbd = serio_get_drvdata(serio);
838 atkbd_disable(atkbd);
839 ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
844 * atkbd_disconnect() closes and frees.
847 static void atkbd_disconnect(struct serio *serio)
849 struct atkbd *atkbd = serio_get_drvdata(serio);
851 atkbd_disable(atkbd);
853 /* make sure we don't have a command in flight */
854 cancel_delayed_work_sync(&atkbd->event_work);
856 sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
857 input_unregister_device(atkbd->dev);
859 serio_set_drvdata(serio, NULL);
864 * generate release events for the keycodes given in data
866 static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd,
869 const unsigned int *keys = data;
873 for (i = 0; keys[i] != -1U; i++)
874 __set_bit(keys[i], atkbd->force_release_mask);
878 * Most special keys (Fn+F?) on Dell laptops do not generate release
879 * events so we have to do it ourselves.
881 static unsigned int atkbd_dell_laptop_forced_release_keys[] = {
882 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
886 * Perform fixup for HP system that doesn't generate release
887 * for its video switch
889 static unsigned int atkbd_hp_forced_release_keys[] = {
894 * Samsung NC10,NC20 with Fn+F? key release not working
896 static unsigned int atkbd_samsung_forced_release_keys[] = {
897 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
901 * Amilo Pi 3525 key release for Fn+Volume keys not working
903 static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = {
904 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
908 * Amilo Xi 3650 key release for light touch bar not working
910 static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = {
911 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
915 * Soltech TA12 system with broken key release on volume keys and mute key
917 static unsigned int atkdb_soltech_ta12_forced_release_keys[] = {
918 0xa0, 0xae, 0xb0, -1U
922 * Many notebooks don't send key release event for volume up/down
923 * keys, with key list below common among them
925 static unsigned int atkbd_volume_forced_release_keys[] = {
930 * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
931 * they should be generating e4-e6 (0x80 | code).
933 static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
936 if (atkbd->translated && atkbd->emul == 1 &&
937 (code == 0x64 || code == 0x65 || code == 0x66)) {
946 * atkbd_set_keycode_table() initializes keyboard's keycode table
947 * according to the selected scancode set
950 static void atkbd_set_keycode_table(struct atkbd *atkbd)
952 unsigned int scancode;
955 memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
956 bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
958 if (atkbd->translated) {
959 for (i = 0; i < 128; i++) {
960 scancode = atkbd_unxlate_table[i];
961 atkbd->keycode[i] = atkbd_set2_keycode[scancode];
962 atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80];
964 for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++)
965 if ((scancode | 0x80) == atkbd_scroll_keys[j].set2)
966 atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode;
968 } else if (atkbd->set == 3) {
969 memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode));
971 memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode));
974 for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) {
975 scancode = atkbd_scroll_keys[i].set2;
976 atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode;
981 * HANGEUL and HANJA keys do not send release events so we need to
982 * generate such events ourselves
984 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL);
985 atkbd->keycode[scancode] = KEY_HANGEUL;
986 __set_bit(scancode, atkbd->force_release_mask);
988 scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA);
989 atkbd->keycode[scancode] = KEY_HANJA;
990 __set_bit(scancode, atkbd->force_release_mask);
993 * Perform additional fixups
995 if (atkbd_platform_fixup)
996 atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data);
1000 * atkbd_set_device_attrs() sets up keyboard's input device structure
1003 static void atkbd_set_device_attrs(struct atkbd *atkbd)
1005 struct input_dev *input_dev = atkbd->dev;
1009 snprintf(atkbd->name, sizeof(atkbd->name),
1010 "AT Set 2 Extra keyboard");
1012 snprintf(atkbd->name, sizeof(atkbd->name),
1013 "AT %s Set %d keyboard",
1014 atkbd->translated ? "Translated" : "Raw", atkbd->set);
1016 snprintf(atkbd->phys, sizeof(atkbd->phys),
1017 "%s/input0", atkbd->ps2dev.serio->phys);
1019 input_dev->name = atkbd->name;
1020 input_dev->phys = atkbd->phys;
1021 input_dev->id.bustype = BUS_I8042;
1022 input_dev->id.vendor = 0x0001;
1023 input_dev->id.product = atkbd->translated ? 1 : atkbd->set;
1024 input_dev->id.version = atkbd->id;
1025 input_dev->event = atkbd_event;
1026 input_dev->dev.parent = &atkbd->ps2dev.serio->dev;
1028 input_set_drvdata(input_dev, atkbd);
1030 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
1034 input_dev->evbit[0] |= BIT_MASK(EV_LED);
1035 input_dev->ledbit[0] = BIT_MASK(LED_NUML) |
1036 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL);
1040 input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) |
1041 BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) |
1042 BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC);
1044 if (!atkbd->softrepeat) {
1045 input_dev->rep[REP_DELAY] = 250;
1046 input_dev->rep[REP_PERIOD] = 33;
1049 input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) :
1050 BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN);
1052 if (atkbd->scroll) {
1053 input_dev->evbit[0] |= BIT_MASK(EV_REL);
1054 input_dev->relbit[0] = BIT_MASK(REL_WHEEL) |
1055 BIT_MASK(REL_HWHEEL);
1056 __set_bit(BTN_MIDDLE, input_dev->keybit);
1059 input_dev->keycode = atkbd->keycode;
1060 input_dev->keycodesize = sizeof(unsigned short);
1061 input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);
1063 for (i = 0; i < ATKBD_KEYMAP_SIZE; i++)
1064 if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL)
1065 __set_bit(atkbd->keycode[i], input_dev->keybit);
1069 * atkbd_connect() is called when the serio module finds an interface
1070 * that isn't handled yet by an appropriate device driver. We check if
1071 * there is an AT keyboard out there and if yes, we register ourselves
1072 * to the input module.
1075 static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
1077 struct atkbd *atkbd;
1078 struct input_dev *dev;
1081 atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL);
1082 dev = input_allocate_device();
1087 ps2_init(&atkbd->ps2dev, serio);
1088 INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
1089 mutex_init(&atkbd->event_mutex);
1091 switch (serio->id.type) {
1094 atkbd->translated = 1;
1101 atkbd->softraw = atkbd_softraw;
1102 atkbd->softrepeat = atkbd_softrepeat;
1103 atkbd->scroll = atkbd_scroll;
1105 if (atkbd->softrepeat)
1108 serio_set_drvdata(serio, atkbd);
1110 err = serio_open(serio, drv);
1116 if (atkbd_probe(atkbd)) {
1121 atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra);
1122 atkbd_reset_state(atkbd);
1123 atkbd_activate(atkbd);
1130 atkbd_set_keycode_table(atkbd);
1131 atkbd_set_device_attrs(atkbd);
1133 err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group);
1137 atkbd_enable(atkbd);
1139 err = input_register_device(atkbd->dev);
1145 fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
1146 fail3: serio_close(serio);
1147 fail2: serio_set_drvdata(serio, NULL);
1148 fail1: input_free_device(dev);
1154 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1155 * most likely called on resume.
1158 static int atkbd_reconnect(struct serio *serio)
1160 struct atkbd *atkbd = serio_get_drvdata(serio);
1161 struct serio_driver *drv = serio->drv;
1163 if (!atkbd || !drv) {
1164 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1168 atkbd_disable(atkbd);
1171 if (atkbd_probe(atkbd))
1173 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
1176 atkbd_activate(atkbd);
1179 * Restore LED state and repeat rate. While input core
1180 * will do this for us at resume time reconnect may happen
1181 * because user requested it via sysfs or simply because
1182 * keyboard was unplugged and plugged in again so we need
1183 * to do it ourselves here.
1185 atkbd_set_leds(atkbd);
1186 if (!atkbd->softrepeat)
1187 atkbd_set_repeat_rate(atkbd);
1191 atkbd_enable(atkbd);
1196 static struct serio_device_id atkbd_serio_ids[] = {
1204 .type = SERIO_8042_XL,
1210 .type = SERIO_RS232,
1211 .proto = SERIO_PS2SER,
1218 MODULE_DEVICE_TABLE(serio, atkbd_serio_ids);
1220 static struct serio_driver atkbd_drv = {
1224 .description = DRIVER_DESC,
1225 .id_table = atkbd_serio_ids,
1226 .interrupt = atkbd_interrupt,
1227 .connect = atkbd_connect,
1228 .reconnect = atkbd_reconnect,
1229 .disconnect = atkbd_disconnect,
1230 .cleanup = atkbd_cleanup,
1233 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
1234 ssize_t (*handler)(struct atkbd *, char *))
1236 struct serio *serio = to_serio_port(dev);
1239 retval = serio_pin_driver(serio);
1243 if (serio->drv != &atkbd_drv) {
1248 retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
1251 serio_unpin_driver(serio);
1255 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
1256 ssize_t (*handler)(struct atkbd *, const char *, size_t))
1258 struct serio *serio = to_serio_port(dev);
1259 struct atkbd *atkbd;
1262 retval = serio_pin_driver(serio);
1266 if (serio->drv != &atkbd_drv) {
1271 atkbd = serio_get_drvdata(serio);
1272 atkbd_disable(atkbd);
1273 retval = handler(atkbd, buf, count);
1274 atkbd_enable(atkbd);
1277 serio_unpin_driver(serio);
1281 static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
1283 return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0);
1286 static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
1288 struct input_dev *old_dev, *new_dev;
1289 unsigned long value;
1291 unsigned char old_extra, old_set;
1296 if (strict_strtoul(buf, 10, &value) || value > 1)
1299 if (atkbd->extra != value) {
1301 * Since device's properties will change we need to
1302 * unregister old device. But allocate and register
1303 * new one first to make sure we have it.
1305 old_dev = atkbd->dev;
1306 old_extra = atkbd->extra;
1307 old_set = atkbd->set;
1309 new_dev = input_allocate_device();
1313 atkbd->dev = new_dev;
1314 atkbd->set = atkbd_select_set(atkbd, atkbd->set, value);
1315 atkbd_reset_state(atkbd);
1316 atkbd_activate(atkbd);
1317 atkbd_set_keycode_table(atkbd);
1318 atkbd_set_device_attrs(atkbd);
1320 err = input_register_device(atkbd->dev);
1322 input_free_device(new_dev);
1324 atkbd->dev = old_dev;
1325 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1326 atkbd_set_keycode_table(atkbd);
1327 atkbd_set_device_attrs(atkbd);
1331 input_unregister_device(old_dev);
1337 static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf)
1339 size_t len = bitmap_scnlistprintf(buf, PAGE_SIZE - 2,
1340 atkbd->force_release_mask, ATKBD_KEYMAP_SIZE);
1348 static ssize_t atkbd_set_force_release(struct atkbd *atkbd,
1349 const char *buf, size_t count)
1351 /* 64 bytes on stack should be acceptable */
1352 DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE);
1355 err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE);
1359 memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask));
1364 static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
1366 return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0);
1369 static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
1371 struct input_dev *old_dev, *new_dev;
1372 unsigned long value;
1374 unsigned char old_scroll;
1376 if (strict_strtoul(buf, 10, &value) || value > 1)
1379 if (atkbd->scroll != value) {
1380 old_dev = atkbd->dev;
1381 old_scroll = atkbd->scroll;
1383 new_dev = input_allocate_device();
1387 atkbd->dev = new_dev;
1388 atkbd->scroll = value;
1389 atkbd_set_keycode_table(atkbd);
1390 atkbd_set_device_attrs(atkbd);
1392 err = input_register_device(atkbd->dev);
1394 input_free_device(new_dev);
1396 atkbd->scroll = old_scroll;
1397 atkbd->dev = old_dev;
1398 atkbd_set_keycode_table(atkbd);
1399 atkbd_set_device_attrs(atkbd);
1403 input_unregister_device(old_dev);
1408 static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
1410 return sprintf(buf, "%d\n", atkbd->set);
1413 static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
1415 struct input_dev *old_dev, *new_dev;
1416 unsigned long value;
1418 unsigned char old_set, old_extra;
1423 if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
1426 if (atkbd->set != value) {
1427 old_dev = atkbd->dev;
1428 old_extra = atkbd->extra;
1429 old_set = atkbd->set;
1431 new_dev = input_allocate_device();
1435 atkbd->dev = new_dev;
1436 atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
1437 atkbd_reset_state(atkbd);
1438 atkbd_activate(atkbd);
1439 atkbd_set_keycode_table(atkbd);
1440 atkbd_set_device_attrs(atkbd);
1442 err = input_register_device(atkbd->dev);
1444 input_free_device(new_dev);
1446 atkbd->dev = old_dev;
1447 atkbd->set = atkbd_select_set(atkbd, old_set, old_extra);
1448 atkbd_set_keycode_table(atkbd);
1449 atkbd_set_device_attrs(atkbd);
1453 input_unregister_device(old_dev);
1458 static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
1460 return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0);
1463 static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
1465 struct input_dev *old_dev, *new_dev;
1466 unsigned long value;
1468 unsigned char old_softrepeat, old_softraw;
1473 if (strict_strtoul(buf, 10, &value) || value > 1)
1476 if (atkbd->softrepeat != value) {
1477 old_dev = atkbd->dev;
1478 old_softrepeat = atkbd->softrepeat;
1479 old_softraw = atkbd->softraw;
1481 new_dev = input_allocate_device();
1485 atkbd->dev = new_dev;
1486 atkbd->softrepeat = value;
1487 if (atkbd->softrepeat)
1489 atkbd_set_device_attrs(atkbd);
1491 err = input_register_device(atkbd->dev);
1493 input_free_device(new_dev);
1495 atkbd->dev = old_dev;
1496 atkbd->softrepeat = old_softrepeat;
1497 atkbd->softraw = old_softraw;
1498 atkbd_set_device_attrs(atkbd);
1502 input_unregister_device(old_dev);
1508 static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
1510 return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0);
1513 static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
1515 struct input_dev *old_dev, *new_dev;
1516 unsigned long value;
1518 unsigned char old_softraw;
1520 if (strict_strtoul(buf, 10, &value) || value > 1)
1523 if (atkbd->softraw != value) {
1524 old_dev = atkbd->dev;
1525 old_softraw = atkbd->softraw;
1527 new_dev = input_allocate_device();
1531 atkbd->dev = new_dev;
1532 atkbd->softraw = value;
1533 atkbd_set_device_attrs(atkbd);
1535 err = input_register_device(atkbd->dev);
1537 input_free_device(new_dev);
1539 atkbd->dev = old_dev;
1540 atkbd->softraw = old_softraw;
1541 atkbd_set_device_attrs(atkbd);
1545 input_unregister_device(old_dev);
1550 static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf)
1552 return sprintf(buf, "%lu\n", atkbd->err_count);
1555 static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
1557 atkbd_platform_fixup = atkbd_apply_forced_release_keylist;
1558 atkbd_platform_fixup_data = id->driver_data;
1563 static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
1565 atkbd_platform_scancode_fixup = id->driver_data;
1570 static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
1573 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1574 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1576 .callback = atkbd_setup_forced_release,
1577 .driver_data = atkbd_dell_laptop_forced_release_keys,
1581 DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
1582 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1584 .callback = atkbd_setup_forced_release,
1585 .driver_data = atkbd_dell_laptop_forced_release_keys,
1589 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1590 DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"),
1592 .callback = atkbd_setup_forced_release,
1593 .driver_data = atkbd_hp_forced_release_keys,
1597 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1598 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"),
1600 .callback = atkbd_setup_forced_release,
1601 .driver_data = atkbd_volume_forced_release_keys,
1605 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1606 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"),
1608 .callback = atkbd_setup_forced_release,
1609 .driver_data = atkbd_volume_forced_release_keys,
1613 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1614 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"),
1616 .callback = atkbd_setup_forced_release,
1617 .driver_data = atkbd_volume_forced_release_keys,
1621 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1622 DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"),
1624 .callback = atkbd_setup_forced_release,
1625 .driver_data = atkbd_volume_forced_release_keys,
1628 /* Inventec Symphony */
1630 DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"),
1631 DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"),
1633 .callback = atkbd_setup_forced_release,
1634 .driver_data = atkbd_volume_forced_release_keys,
1639 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1640 DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
1642 .callback = atkbd_setup_forced_release,
1643 .driver_data = atkbd_samsung_forced_release_keys,
1648 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1649 DMI_MATCH(DMI_PRODUCT_NAME, "NC20"),
1651 .callback = atkbd_setup_forced_release,
1652 .driver_data = atkbd_samsung_forced_release_keys,
1655 /* Samsung SQ45S70S */
1657 DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
1658 DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
1660 .callback = atkbd_setup_forced_release,
1661 .driver_data = atkbd_samsung_forced_release_keys,
1664 /* Fujitsu Amilo PA 1510 */
1666 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1667 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"),
1669 .callback = atkbd_setup_forced_release,
1670 .driver_data = atkbd_volume_forced_release_keys,
1673 /* Fujitsu Amilo Pi 3525 */
1675 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1676 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"),
1678 .callback = atkbd_setup_forced_release,
1679 .driver_data = atkbd_amilo_pi3525_forced_release_keys,
1682 /* Fujitsu Amilo Xi 3650 */
1684 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1685 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"),
1687 .callback = atkbd_setup_forced_release,
1688 .driver_data = atkbd_amilo_xi3650_forced_release_keys,
1692 DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"),
1693 DMI_MATCH(DMI_PRODUCT_NAME, "TA12"),
1695 .callback = atkbd_setup_forced_release,
1696 .driver_data = atkdb_soltech_ta12_forced_release_keys,
1701 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
1702 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
1704 .callback = atkbd_setup_scancode_fixup,
1705 .driver_data = atkbd_oqo_01plus_scancode_fixup,
1710 static int __init atkbd_init(void)
1712 dmi_check_system(atkbd_dmi_quirk_table);
1714 return serio_register_driver(&atkbd_drv);
1717 static void __exit atkbd_exit(void)
1719 serio_unregister_driver(&atkbd_drv);
1722 module_init(atkbd_init);
1723 module_exit(atkbd_exit);