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 /* Reset to defaults and disable */
138 #define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */
139 #define ATKBD_CMD_SETALL_MBR 0x00fa
140 #define ATKBD_CMD_RESET_BAT 0x02ff
141 #define ATKBD_CMD_RESEND 0x00fe
142 #define ATKBD_CMD_EX_ENABLE 0x10ea
143 #define ATKBD_CMD_EX_SETLEDS 0x20eb
144 #define ATKBD_CMD_OK_GETID 0x02e8
146 #define ATKBD_RET_ACK 0xfa
147 #define ATKBD_RET_NAK 0xfe
148 #define ATKBD_RET_BAT 0xaa
149 #define ATKBD_RET_EMUL0 0xe0
150 #define ATKBD_RET_EMUL1 0xe1
151 #define ATKBD_RET_RELEASE 0xf0
152 #define ATKBD_RET_HANJA 0xf1
153 #define ATKBD_RET_HANGEUL 0xf2
154 #define ATKBD_RET_ERR 0xff
156 #define ATKBD_KEY_UNKNOWN 0
157 #define ATKBD_KEY_NULL 255
159 #define ATKBD_SCR_1 254
160 #define ATKBD_SCR_2 253
161 #define ATKBD_SCR_4 252
162 #define ATKBD_SCR_8 251
163 #define ATKBD_SCR_CLICK 250
164 #define ATKBD_SCR_LEFT 249
165 #define ATKBD_SCR_RIGHT 248
167 #define ATKBD_SPECIAL ATKBD_SCR_RIGHT
169 #define ATKBD_LED_EVENT_BIT 0
170 #define ATKBD_REP_EVENT_BIT 1
172 #define ATKBD_XL_ERR 0x01
173 #define ATKBD_XL_BAT 0x02
174 #define ATKBD_XL_ACK 0x04
175 #define ATKBD_XL_NAK 0x08
176 #define ATKBD_XL_HANGEUL 0x10
177 #define ATKBD_XL_HANJA 0x20
179 static const struct {
180 unsigned char keycode
;
182 } atkbd_scroll_keys
[] = {
183 { ATKBD_SCR_1
, 0xc5 },
184 { ATKBD_SCR_2
, 0x9d },
185 { ATKBD_SCR_4
, 0xa4 },
186 { ATKBD_SCR_8
, 0x9b },
187 { ATKBD_SCR_CLICK
, 0xe0 },
188 { ATKBD_SCR_LEFT
, 0xcb },
189 { ATKBD_SCR_RIGHT
, 0xd2 },
193 * The atkbd control structure
198 struct ps2dev ps2dev
;
199 struct input_dev
*dev
;
201 /* Written only during init */
206 unsigned short keycode
[ATKBD_KEYMAP_SIZE
];
207 DECLARE_BITMAP(force_release_mask
, ATKBD_KEYMAP_SIZE
);
209 unsigned char translated
;
212 unsigned char softrepeat
;
213 unsigned char softraw
;
214 unsigned char scroll
;
215 unsigned char enabled
;
217 /* Accessed only from interrupt */
219 unsigned char resend
;
220 unsigned char release
;
221 unsigned long xl_bit
;
224 unsigned long err_count
;
226 struct delayed_work event_work
;
227 unsigned long event_jiffies
;
228 unsigned long event_mask
;
230 /* Serializes reconnect(), attr->set() and event work */
235 * System-specific keymap fixup routine
237 static void (*atkbd_platform_fixup
)(struct atkbd
*, const void *data
);
238 static void *atkbd_platform_fixup_data
;
239 static unsigned int (*atkbd_platform_scancode_fixup
)(struct atkbd
*, unsigned int);
241 static ssize_t
atkbd_attr_show_helper(struct device
*dev
, char *buf
,
242 ssize_t (*handler
)(struct atkbd
*, char *));
243 static ssize_t
atkbd_attr_set_helper(struct device
*dev
, const char *buf
, size_t count
,
244 ssize_t (*handler
)(struct atkbd
*, const char *, size_t));
245 #define ATKBD_DEFINE_ATTR(_name) \
246 static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
247 static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \
248 static ssize_t atkbd_do_show_##_name(struct device *d, \
249 struct device_attribute *attr, char *b) \
251 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
253 static ssize_t atkbd_do_set_##_name(struct device *d, \
254 struct device_attribute *attr, const char *b, size_t s) \
256 return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \
258 static struct device_attribute atkbd_attr_##_name = \
259 __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name);
261 ATKBD_DEFINE_ATTR(extra
);
262 ATKBD_DEFINE_ATTR(force_release
);
263 ATKBD_DEFINE_ATTR(scroll
);
264 ATKBD_DEFINE_ATTR(set
);
265 ATKBD_DEFINE_ATTR(softrepeat
);
266 ATKBD_DEFINE_ATTR(softraw
);
268 #define ATKBD_DEFINE_RO_ATTR(_name) \
269 static ssize_t atkbd_show_##_name(struct atkbd *, char *); \
270 static ssize_t atkbd_do_show_##_name(struct device *d, \
271 struct device_attribute *attr, char *b) \
273 return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \
275 static struct device_attribute atkbd_attr_##_name = \
276 __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL);
278 ATKBD_DEFINE_RO_ATTR(err_count
);
280 static struct attribute
*atkbd_attributes
[] = {
281 &atkbd_attr_extra
.attr
,
282 &atkbd_attr_force_release
.attr
,
283 &atkbd_attr_scroll
.attr
,
284 &atkbd_attr_set
.attr
,
285 &atkbd_attr_softrepeat
.attr
,
286 &atkbd_attr_softraw
.attr
,
287 &atkbd_attr_err_count
.attr
,
291 static struct attribute_group atkbd_attribute_group
= {
292 .attrs
= atkbd_attributes
,
295 static const unsigned int xl_table
[] = {
296 ATKBD_RET_BAT
, ATKBD_RET_ERR
, ATKBD_RET_ACK
,
297 ATKBD_RET_NAK
, ATKBD_RET_HANJA
, ATKBD_RET_HANGEUL
,
301 * Checks if we should mangle the scancode to extract 'release' bit
302 * in translated mode.
304 static int atkbd_need_xlate(unsigned long xl_bit
, unsigned char code
)
308 if (code
== ATKBD_RET_EMUL0
|| code
== ATKBD_RET_EMUL1
)
311 for (i
= 0; i
< ARRAY_SIZE(xl_table
); i
++)
312 if (code
== xl_table
[i
])
313 return test_bit(i
, &xl_bit
);
319 * Calculates new value of xl_bit so the driver can distinguish
320 * between make/break pair of scancodes for select keys and PS/2
321 * protocol responses.
323 static void atkbd_calculate_xl_bit(struct atkbd
*atkbd
, unsigned char code
)
327 for (i
= 0; i
< ARRAY_SIZE(xl_table
); i
++) {
328 if (!((code
^ xl_table
[i
]) & 0x7f)) {
330 __clear_bit(i
, &atkbd
->xl_bit
);
332 __set_bit(i
, &atkbd
->xl_bit
);
339 * Encode the scancode, 0xe0 prefix, and high bit into a single integer,
340 * keeping kernel 2.4 compatibility for set 2
342 static unsigned int atkbd_compat_scancode(struct atkbd
*atkbd
, unsigned int code
)
344 if (atkbd
->set
== 3) {
345 if (atkbd
->emul
== 1)
348 code
= (code
& 0x7f) | ((code
& 0x80) << 1);
349 if (atkbd
->emul
== 1)
357 * atkbd_interrupt(). Here takes place processing of data received from
358 * the keyboard into events.
361 static irqreturn_t
atkbd_interrupt(struct serio
*serio
, unsigned char data
,
364 struct atkbd
*atkbd
= serio_get_drvdata(serio
);
365 struct input_dev
*dev
= atkbd
->dev
;
366 unsigned int code
= data
;
367 int scroll
= 0, hscroll
= 0, click
= -1;
369 unsigned short keycode
;
372 printk(KERN_DEBUG
"atkbd.c: Received %02x flags %02x\n", data
, flags
);
375 #if !defined(__i386__) && !defined (__x86_64__)
376 if ((flags
& (SERIO_FRAME
| SERIO_PARITY
)) && (~flags
& SERIO_TIMEOUT
) && !atkbd
->resend
&& atkbd
->write
) {
377 printk(KERN_WARNING
"atkbd.c: frame/parity error: %02x\n", flags
);
378 serio_write(serio
, ATKBD_CMD_RESEND
);
383 if (!flags
&& data
== ATKBD_RET_ACK
)
387 if (unlikely(atkbd
->ps2dev
.flags
& PS2_FLAG_ACK
))
388 if (ps2_handle_ack(&atkbd
->ps2dev
, data
))
391 if (unlikely(atkbd
->ps2dev
.flags
& PS2_FLAG_CMD
))
392 if (ps2_handle_response(&atkbd
->ps2dev
, data
))
398 input_event(dev
, EV_MSC
, MSC_RAW
, code
);
400 if (atkbd_platform_scancode_fixup
)
401 code
= atkbd_platform_scancode_fixup(atkbd
, code
);
403 if (atkbd
->translated
) {
405 if (atkbd
->emul
|| atkbd_need_xlate(atkbd
->xl_bit
, code
)) {
406 atkbd
->release
= code
>> 7;
411 atkbd_calculate_xl_bit(atkbd
, data
);
417 serio_reconnect(atkbd
->ps2dev
.serio
);
419 case ATKBD_RET_EMUL0
:
422 case ATKBD_RET_EMUL1
:
425 case ATKBD_RET_RELEASE
:
430 if (printk_ratelimit())
431 printk(KERN_WARNING
"atkbd.c: Spurious %s on %s. "
432 "Some program might be trying access hardware directly.\n",
433 data
== ATKBD_RET_ACK
? "ACK" : "NAK", serio
->phys
);
438 printk(KERN_DEBUG
"atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio
->phys
);
443 code
= atkbd_compat_scancode(atkbd
, code
);
445 if (atkbd
->emul
&& --atkbd
->emul
)
448 keycode
= atkbd
->keycode
[code
];
450 if (keycode
!= ATKBD_KEY_NULL
)
451 input_event(dev
, EV_MSC
, MSC_SCAN
, code
);
456 case ATKBD_KEY_UNKNOWN
:
458 "atkbd.c: Unknown key %s (%s set %d, code %#x on %s).\n",
459 atkbd
->release
? "released" : "pressed",
460 atkbd
->translated
? "translated" : "raw",
461 atkbd
->set
, code
, serio
->phys
);
463 "atkbd.c: Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
464 code
& 0x80 ? "e0" : "", code
& 0x7f);
468 scroll
= 1 - atkbd
->release
* 2;
471 scroll
= 2 - atkbd
->release
* 4;
474 scroll
= 4 - atkbd
->release
* 8;
477 scroll
= 8 - atkbd
->release
* 16;
479 case ATKBD_SCR_CLICK
:
480 click
= !atkbd
->release
;
485 case ATKBD_SCR_RIGHT
:
489 if (atkbd
->release
) {
492 } else if (!atkbd
->softrepeat
&& test_bit(keycode
, dev
->key
)) {
493 /* Workaround Toshiba laptop multiple keypress */
494 value
= time_before(jiffies
, atkbd
->time
) && atkbd
->last
== code
? 1 : 2;
498 atkbd
->time
= jiffies
+ msecs_to_jiffies(dev
->rep
[REP_DELAY
]) / 2;
501 input_event(dev
, EV_KEY
, keycode
, value
);
504 if (value
&& test_bit(code
, atkbd
->force_release_mask
)) {
505 input_report_key(dev
, keycode
, 0);
512 input_report_key(dev
, BTN_MIDDLE
, click
);
513 input_report_rel(dev
, REL_WHEEL
, scroll
);
514 input_report_rel(dev
, REL_HWHEEL
, hscroll
);
523 static int atkbd_set_repeat_rate(struct atkbd
*atkbd
)
525 const short period
[32] =
526 { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
527 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
528 const short delay
[4] =
529 { 250, 500, 750, 1000 };
531 struct input_dev
*dev
= atkbd
->dev
;
535 while (i
< ARRAY_SIZE(period
) - 1 && period
[i
] < dev
->rep
[REP_PERIOD
])
537 dev
->rep
[REP_PERIOD
] = period
[i
];
539 while (j
< ARRAY_SIZE(delay
) - 1 && delay
[j
] < dev
->rep
[REP_DELAY
])
541 dev
->rep
[REP_DELAY
] = delay
[j
];
543 param
= i
| (j
<< 5);
544 return ps2_command(&atkbd
->ps2dev
, ¶m
, ATKBD_CMD_SETREP
);
547 static int atkbd_set_leds(struct atkbd
*atkbd
)
549 struct input_dev
*dev
= atkbd
->dev
;
550 unsigned char param
[2];
552 param
[0] = (test_bit(LED_SCROLLL
, dev
->led
) ? 1 : 0)
553 | (test_bit(LED_NUML
, dev
->led
) ? 2 : 0)
554 | (test_bit(LED_CAPSL
, dev
->led
) ? 4 : 0);
555 if (ps2_command(&atkbd
->ps2dev
, param
, ATKBD_CMD_SETLEDS
))
560 param
[1] = (test_bit(LED_COMPOSE
, dev
->led
) ? 0x01 : 0)
561 | (test_bit(LED_SLEEP
, dev
->led
) ? 0x02 : 0)
562 | (test_bit(LED_SUSPEND
, dev
->led
) ? 0x04 : 0)
563 | (test_bit(LED_MISC
, dev
->led
) ? 0x10 : 0)
564 | (test_bit(LED_MUTE
, dev
->led
) ? 0x20 : 0);
565 if (ps2_command(&atkbd
->ps2dev
, param
, ATKBD_CMD_EX_SETLEDS
))
573 * atkbd_event_work() is used to complete processing of events that
574 * can not be processed by input_event() which is often called from
578 static void atkbd_event_work(struct work_struct
*work
)
580 struct atkbd
*atkbd
= container_of(work
, struct atkbd
, event_work
.work
);
582 mutex_lock(&atkbd
->mutex
);
584 if (!atkbd
->enabled
) {
586 * Serio ports are resumed asynchronously so while driver core
587 * thinks that device is already fully operational in reality
588 * it may not be ready yet. In this case we need to keep
589 * rescheduling till reconnect completes.
591 schedule_delayed_work(&atkbd
->event_work
,
592 msecs_to_jiffies(100));
594 if (test_and_clear_bit(ATKBD_LED_EVENT_BIT
, &atkbd
->event_mask
))
595 atkbd_set_leds(atkbd
);
597 if (test_and_clear_bit(ATKBD_REP_EVENT_BIT
, &atkbd
->event_mask
))
598 atkbd_set_repeat_rate(atkbd
);
601 mutex_unlock(&atkbd
->mutex
);
605 * Schedule switch for execution. We need to throttle requests,
606 * otherwise keyboard may become unresponsive.
608 static void atkbd_schedule_event_work(struct atkbd
*atkbd
, int event_bit
)
610 unsigned long delay
= msecs_to_jiffies(50);
612 if (time_after(jiffies
, atkbd
->event_jiffies
+ delay
))
615 atkbd
->event_jiffies
= jiffies
;
616 set_bit(event_bit
, &atkbd
->event_mask
);
618 schedule_delayed_work(&atkbd
->event_work
, delay
);
622 * Event callback from the input module. Events that change the state of
623 * the hardware are processed here. If action can not be performed in
624 * interrupt context it is offloaded to atkbd_event_work.
627 static int atkbd_event(struct input_dev
*dev
,
628 unsigned int type
, unsigned int code
, int value
)
630 struct atkbd
*atkbd
= input_get_drvdata(dev
);
638 atkbd_schedule_event_work(atkbd
, ATKBD_LED_EVENT_BIT
);
642 if (!atkbd
->softrepeat
)
643 atkbd_schedule_event_work(atkbd
, ATKBD_REP_EVENT_BIT
);
651 * atkbd_enable() signals that interrupt handler is allowed to
652 * generate input events.
655 static inline void atkbd_enable(struct atkbd
*atkbd
)
657 serio_pause_rx(atkbd
->ps2dev
.serio
);
659 serio_continue_rx(atkbd
->ps2dev
.serio
);
663 * atkbd_disable() tells input handler that all incoming data except
664 * for ACKs and command response should be dropped.
667 static inline void atkbd_disable(struct atkbd
*atkbd
)
669 serio_pause_rx(atkbd
->ps2dev
.serio
);
671 serio_continue_rx(atkbd
->ps2dev
.serio
);
675 * atkbd_probe() probes for an AT keyboard on a serio port.
678 static int atkbd_probe(struct atkbd
*atkbd
)
680 struct ps2dev
*ps2dev
= &atkbd
->ps2dev
;
681 unsigned char param
[2];
684 * Some systems, where the bit-twiddling when testing the io-lines of the
685 * controller may confuse the keyboard need a full reset of the keyboard. On
686 * these systems the BIOS also usually doesn't do it for us.
690 if (ps2_command(ps2dev
, NULL
, ATKBD_CMD_RESET_BAT
))
691 printk(KERN_WARNING
"atkbd.c: keyboard reset failed on %s\n", ps2dev
->serio
->phys
);
694 * Then we check the keyboard ID. We should get 0xab83 under normal conditions.
695 * Some keyboards report different values, but the first byte is always 0xab or
696 * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this
697 * should make sure we don't try to set the LEDs on it.
700 param
[0] = param
[1] = 0xa5; /* initialize with invalid values */
701 if (ps2_command(ps2dev
, param
, ATKBD_CMD_GETID
)) {
704 * If the get ID command failed, we check if we can at least set the LEDs on
705 * the keyboard. This should work on every keyboard out there. It also turns
706 * the LEDs off, which we want anyway.
709 if (ps2_command(ps2dev
, param
, ATKBD_CMD_SETLEDS
))
715 if (!ps2_is_keyboard_id(param
[0]))
718 atkbd
->id
= (param
[0] << 8) | param
[1];
720 if (atkbd
->id
== 0xaca1 && atkbd
->translated
) {
721 printk(KERN_ERR
"atkbd.c: NCD terminal keyboards are only supported on non-translating\n");
722 printk(KERN_ERR
"atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n");
730 * atkbd_select_set checks if a keyboard has a working Set 3 support, and
731 * sets it into that. Unfortunately there are keyboards that can be switched
732 * to Set 3, but don't work well in that (BTC Multimedia ...)
735 static int atkbd_select_set(struct atkbd
*atkbd
, int target_set
, int allow_extra
)
737 struct ps2dev
*ps2dev
= &atkbd
->ps2dev
;
738 unsigned char param
[2];
742 * For known special keyboards we can go ahead and set the correct set.
743 * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and
744 * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards.
747 if (atkbd
->translated
)
750 if (atkbd
->id
== 0xaca1) {
752 ps2_command(ps2dev
, param
, ATKBD_CMD_SSCANSET
);
758 if (!ps2_command(ps2dev
, param
, ATKBD_CMD_EX_ENABLE
)) {
767 if (!ps2_command(ps2dev
, param
, ATKBD_CMD_OK_GETID
)) {
768 atkbd
->id
= param
[0] << 8 | param
[1];
773 if (ps2_command(ps2dev
, param
, ATKBD_CMD_SSCANSET
))
777 if (ps2_command(ps2dev
, param
, ATKBD_CMD_GSCANSET
))
782 if (ps2_command(ps2dev
, param
, ATKBD_CMD_SSCANSET
))
786 ps2_command(ps2dev
, param
, ATKBD_CMD_SETALL_MBR
);
791 static int atkbd_reset_state(struct atkbd
*atkbd
)
793 struct ps2dev
*ps2dev
= &atkbd
->ps2dev
;
794 unsigned char param
[1];
797 * Set the LEDs to a predefined state (all off).
801 if (ps2_command(ps2dev
, param
, ATKBD_CMD_SETLEDS
))
805 * Set autorepeat to fastest possible.
809 if (ps2_command(ps2dev
, param
, ATKBD_CMD_SETREP
))
815 static int atkbd_activate(struct atkbd
*atkbd
)
817 struct ps2dev
*ps2dev
= &atkbd
->ps2dev
;
820 * Enable the keyboard to receive keystrokes.
823 if (ps2_command(ps2dev
, NULL
, ATKBD_CMD_ENABLE
)) {
824 printk(KERN_ERR
"atkbd.c: Failed to enable keyboard on %s\n",
825 ps2dev
->serio
->phys
);
833 * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a
837 static void atkbd_cleanup(struct serio
*serio
)
839 struct atkbd
*atkbd
= serio_get_drvdata(serio
);
841 atkbd_disable(atkbd
);
842 ps2_command(&atkbd
->ps2dev
, NULL
, ATKBD_CMD_RESET_DEF
);
847 * atkbd_disconnect() closes and frees.
850 static void atkbd_disconnect(struct serio
*serio
)
852 struct atkbd
*atkbd
= serio_get_drvdata(serio
);
854 sysfs_remove_group(&serio
->dev
.kobj
, &atkbd_attribute_group
);
856 atkbd_disable(atkbd
);
858 /* make sure we don't have a command in flight */
859 cancel_delayed_work_sync(&atkbd
->event_work
);
861 input_unregister_device(atkbd
->dev
);
863 serio_set_drvdata(serio
, NULL
);
868 * generate release events for the keycodes given in data
870 static void atkbd_apply_forced_release_keylist(struct atkbd
* atkbd
,
873 const unsigned int *keys
= data
;
877 for (i
= 0; keys
[i
] != -1U; i
++)
878 __set_bit(keys
[i
], atkbd
->force_release_mask
);
882 * Most special keys (Fn+F?) on Dell laptops do not generate release
883 * events so we have to do it ourselves.
885 static unsigned int atkbd_dell_laptop_forced_release_keys
[] = {
886 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U
890 * Perform fixup for HP system that doesn't generate release
891 * for its video switch
893 static unsigned int atkbd_hp_forced_release_keys
[] = {
898 * Samsung NC10,NC20 with Fn+F? key release not working
900 static unsigned int atkbd_samsung_forced_release_keys
[] = {
901 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U
905 * Amilo Pi 3525 key release for Fn+Volume keys not working
907 static unsigned int atkbd_amilo_pi3525_forced_release_keys
[] = {
908 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U
912 * Amilo Xi 3650 key release for light touch bar not working
914 static unsigned int atkbd_amilo_xi3650_forced_release_keys
[] = {
915 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U
919 * Soltech TA12 system with broken key release on volume keys and mute key
921 static unsigned int atkdb_soltech_ta12_forced_release_keys
[] = {
922 0xa0, 0xae, 0xb0, -1U
926 * Many notebooks don't send key release event for volume up/down
927 * keys, with key list below common among them
929 static unsigned int atkbd_volume_forced_release_keys
[] = {
934 * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
935 * they should be generating e4-e6 (0x80 | code).
937 static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd
*atkbd
,
940 if (atkbd
->translated
&& atkbd
->emul
== 1 &&
941 (code
== 0x64 || code
== 0x65 || code
== 0x66)) {
950 * atkbd_set_keycode_table() initializes keyboard's keycode table
951 * according to the selected scancode set
954 static void atkbd_set_keycode_table(struct atkbd
*atkbd
)
956 unsigned int scancode
;
959 memset(atkbd
->keycode
, 0, sizeof(atkbd
->keycode
));
960 bitmap_zero(atkbd
->force_release_mask
, ATKBD_KEYMAP_SIZE
);
962 if (atkbd
->translated
) {
963 for (i
= 0; i
< 128; i
++) {
964 scancode
= atkbd_unxlate_table
[i
];
965 atkbd
->keycode
[i
] = atkbd_set2_keycode
[scancode
];
966 atkbd
->keycode
[i
| 0x80] = atkbd_set2_keycode
[scancode
| 0x80];
968 for (j
= 0; j
< ARRAY_SIZE(atkbd_scroll_keys
); j
++)
969 if ((scancode
| 0x80) == atkbd_scroll_keys
[j
].set2
)
970 atkbd
->keycode
[i
| 0x80] = atkbd_scroll_keys
[j
].keycode
;
972 } else if (atkbd
->set
== 3) {
973 memcpy(atkbd
->keycode
, atkbd_set3_keycode
, sizeof(atkbd
->keycode
));
975 memcpy(atkbd
->keycode
, atkbd_set2_keycode
, sizeof(atkbd
->keycode
));
978 for (i
= 0; i
< ARRAY_SIZE(atkbd_scroll_keys
); i
++) {
979 scancode
= atkbd_scroll_keys
[i
].set2
;
980 atkbd
->keycode
[scancode
] = atkbd_scroll_keys
[i
].keycode
;
985 * HANGEUL and HANJA keys do not send release events so we need to
986 * generate such events ourselves
988 scancode
= atkbd_compat_scancode(atkbd
, ATKBD_RET_HANGEUL
);
989 atkbd
->keycode
[scancode
] = KEY_HANGEUL
;
990 __set_bit(scancode
, atkbd
->force_release_mask
);
992 scancode
= atkbd_compat_scancode(atkbd
, ATKBD_RET_HANJA
);
993 atkbd
->keycode
[scancode
] = KEY_HANJA
;
994 __set_bit(scancode
, atkbd
->force_release_mask
);
997 * Perform additional fixups
999 if (atkbd_platform_fixup
)
1000 atkbd_platform_fixup(atkbd
, atkbd_platform_fixup_data
);
1004 * atkbd_set_device_attrs() sets up keyboard's input device structure
1007 static void atkbd_set_device_attrs(struct atkbd
*atkbd
)
1009 struct input_dev
*input_dev
= atkbd
->dev
;
1013 snprintf(atkbd
->name
, sizeof(atkbd
->name
),
1014 "AT Set 2 Extra keyboard");
1016 snprintf(atkbd
->name
, sizeof(atkbd
->name
),
1017 "AT %s Set %d keyboard",
1018 atkbd
->translated
? "Translated" : "Raw", atkbd
->set
);
1020 snprintf(atkbd
->phys
, sizeof(atkbd
->phys
),
1021 "%s/input0", atkbd
->ps2dev
.serio
->phys
);
1023 input_dev
->name
= atkbd
->name
;
1024 input_dev
->phys
= atkbd
->phys
;
1025 input_dev
->id
.bustype
= BUS_I8042
;
1026 input_dev
->id
.vendor
= 0x0001;
1027 input_dev
->id
.product
= atkbd
->translated
? 1 : atkbd
->set
;
1028 input_dev
->id
.version
= atkbd
->id
;
1029 input_dev
->event
= atkbd_event
;
1030 input_dev
->dev
.parent
= &atkbd
->ps2dev
.serio
->dev
;
1032 input_set_drvdata(input_dev
, atkbd
);
1034 input_dev
->evbit
[0] = BIT_MASK(EV_KEY
) | BIT_MASK(EV_REP
) |
1038 input_dev
->evbit
[0] |= BIT_MASK(EV_LED
);
1039 input_dev
->ledbit
[0] = BIT_MASK(LED_NUML
) |
1040 BIT_MASK(LED_CAPSL
) | BIT_MASK(LED_SCROLLL
);
1044 input_dev
->ledbit
[0] |= BIT_MASK(LED_COMPOSE
) |
1045 BIT_MASK(LED_SUSPEND
) | BIT_MASK(LED_SLEEP
) |
1046 BIT_MASK(LED_MUTE
) | BIT_MASK(LED_MISC
);
1048 if (!atkbd
->softrepeat
) {
1049 input_dev
->rep
[REP_DELAY
] = 250;
1050 input_dev
->rep
[REP_PERIOD
] = 33;
1053 input_dev
->mscbit
[0] = atkbd
->softraw
? BIT_MASK(MSC_SCAN
) :
1054 BIT_MASK(MSC_RAW
) | BIT_MASK(MSC_SCAN
);
1056 if (atkbd
->scroll
) {
1057 input_dev
->evbit
[0] |= BIT_MASK(EV_REL
);
1058 input_dev
->relbit
[0] = BIT_MASK(REL_WHEEL
) |
1059 BIT_MASK(REL_HWHEEL
);
1060 __set_bit(BTN_MIDDLE
, input_dev
->keybit
);
1063 input_dev
->keycode
= atkbd
->keycode
;
1064 input_dev
->keycodesize
= sizeof(unsigned short);
1065 input_dev
->keycodemax
= ARRAY_SIZE(atkbd_set2_keycode
);
1067 for (i
= 0; i
< ATKBD_KEYMAP_SIZE
; i
++)
1068 if (atkbd
->keycode
[i
] && atkbd
->keycode
[i
] < ATKBD_SPECIAL
)
1069 __set_bit(atkbd
->keycode
[i
], input_dev
->keybit
);
1073 * atkbd_connect() is called when the serio module finds an interface
1074 * that isn't handled yet by an appropriate device driver. We check if
1075 * there is an AT keyboard out there and if yes, we register ourselves
1076 * to the input module.
1079 static int atkbd_connect(struct serio
*serio
, struct serio_driver
*drv
)
1081 struct atkbd
*atkbd
;
1082 struct input_dev
*dev
;
1085 atkbd
= kzalloc(sizeof(struct atkbd
), GFP_KERNEL
);
1086 dev
= input_allocate_device();
1091 ps2_init(&atkbd
->ps2dev
, serio
);
1092 INIT_DELAYED_WORK(&atkbd
->event_work
, atkbd_event_work
);
1093 mutex_init(&atkbd
->mutex
);
1095 switch (serio
->id
.type
) {
1098 atkbd
->translated
= 1;
1105 atkbd
->softraw
= atkbd_softraw
;
1106 atkbd
->softrepeat
= atkbd_softrepeat
;
1107 atkbd
->scroll
= atkbd_scroll
;
1109 if (atkbd
->softrepeat
)
1112 serio_set_drvdata(serio
, atkbd
);
1114 err
= serio_open(serio
, drv
);
1120 if (atkbd_probe(atkbd
)) {
1125 atkbd
->set
= atkbd_select_set(atkbd
, atkbd_set
, atkbd_extra
);
1126 atkbd_reset_state(atkbd
);
1127 atkbd_activate(atkbd
);
1134 atkbd_set_keycode_table(atkbd
);
1135 atkbd_set_device_attrs(atkbd
);
1137 err
= sysfs_create_group(&serio
->dev
.kobj
, &atkbd_attribute_group
);
1141 atkbd_enable(atkbd
);
1143 err
= input_register_device(atkbd
->dev
);
1149 fail4
: sysfs_remove_group(&serio
->dev
.kobj
, &atkbd_attribute_group
);
1150 fail3
: serio_close(serio
);
1151 fail2
: serio_set_drvdata(serio
, NULL
);
1152 fail1
: input_free_device(dev
);
1158 * atkbd_reconnect() tries to restore keyboard into a sane state and is
1159 * most likely called on resume.
1162 static int atkbd_reconnect(struct serio
*serio
)
1164 struct atkbd
*atkbd
= serio_get_drvdata(serio
);
1165 struct serio_driver
*drv
= serio
->drv
;
1168 if (!atkbd
|| !drv
) {
1169 printk(KERN_DEBUG
"atkbd: reconnect request, but serio is disconnected, ignoring...\n");
1173 mutex_lock(&atkbd
->mutex
);
1175 atkbd_disable(atkbd
);
1178 if (atkbd_probe(atkbd
))
1181 if (atkbd
->set
!= atkbd_select_set(atkbd
, atkbd
->set
, atkbd
->extra
))
1184 atkbd_activate(atkbd
);
1187 * Restore LED state and repeat rate. While input core
1188 * will do this for us at resume time reconnect may happen
1189 * because user requested it via sysfs or simply because
1190 * keyboard was unplugged and plugged in again so we need
1191 * to do it ourselves here.
1193 atkbd_set_leds(atkbd
);
1194 if (!atkbd
->softrepeat
)
1195 atkbd_set_repeat_rate(atkbd
);
1199 atkbd_enable(atkbd
);
1203 mutex_unlock(&atkbd
->mutex
);
1207 static struct serio_device_id atkbd_serio_ids
[] = {
1215 .type
= SERIO_8042_XL
,
1221 .type
= SERIO_RS232
,
1222 .proto
= SERIO_PS2SER
,
1229 MODULE_DEVICE_TABLE(serio
, atkbd_serio_ids
);
1231 static struct serio_driver atkbd_drv
= {
1235 .description
= DRIVER_DESC
,
1236 .id_table
= atkbd_serio_ids
,
1237 .interrupt
= atkbd_interrupt
,
1238 .connect
= atkbd_connect
,
1239 .reconnect
= atkbd_reconnect
,
1240 .disconnect
= atkbd_disconnect
,
1241 .cleanup
= atkbd_cleanup
,
1244 static ssize_t
atkbd_attr_show_helper(struct device
*dev
, char *buf
,
1245 ssize_t (*handler
)(struct atkbd
*, char *))
1247 struct serio
*serio
= to_serio_port(dev
);
1248 struct atkbd
*atkbd
= serio_get_drvdata(serio
);
1250 return handler(atkbd
, buf
);
1253 static ssize_t
atkbd_attr_set_helper(struct device
*dev
, const char *buf
, size_t count
,
1254 ssize_t (*handler
)(struct atkbd
*, const char *, size_t))
1256 struct serio
*serio
= to_serio_port(dev
);
1257 struct atkbd
*atkbd
= serio_get_drvdata(serio
);
1260 retval
= mutex_lock_interruptible(&atkbd
->mutex
);
1264 atkbd_disable(atkbd
);
1265 retval
= handler(atkbd
, buf
, count
);
1266 atkbd_enable(atkbd
);
1268 mutex_unlock(&atkbd
->mutex
);
1273 static ssize_t
atkbd_show_extra(struct atkbd
*atkbd
, char *buf
)
1275 return sprintf(buf
, "%d\n", atkbd
->extra
? 1 : 0);
1278 static ssize_t
atkbd_set_extra(struct atkbd
*atkbd
, const char *buf
, size_t count
)
1280 struct input_dev
*old_dev
, *new_dev
;
1281 unsigned long value
;
1283 unsigned char old_extra
, old_set
;
1288 if (strict_strtoul(buf
, 10, &value
) || value
> 1)
1291 if (atkbd
->extra
!= value
) {
1293 * Since device's properties will change we need to
1294 * unregister old device. But allocate and register
1295 * new one first to make sure we have it.
1297 old_dev
= atkbd
->dev
;
1298 old_extra
= atkbd
->extra
;
1299 old_set
= atkbd
->set
;
1301 new_dev
= input_allocate_device();
1305 atkbd
->dev
= new_dev
;
1306 atkbd
->set
= atkbd_select_set(atkbd
, atkbd
->set
, value
);
1307 atkbd_reset_state(atkbd
);
1308 atkbd_activate(atkbd
);
1309 atkbd_set_keycode_table(atkbd
);
1310 atkbd_set_device_attrs(atkbd
);
1312 err
= input_register_device(atkbd
->dev
);
1314 input_free_device(new_dev
);
1316 atkbd
->dev
= old_dev
;
1317 atkbd
->set
= atkbd_select_set(atkbd
, old_set
, old_extra
);
1318 atkbd_set_keycode_table(atkbd
);
1319 atkbd_set_device_attrs(atkbd
);
1323 input_unregister_device(old_dev
);
1329 static ssize_t
atkbd_show_force_release(struct atkbd
*atkbd
, char *buf
)
1331 size_t len
= bitmap_scnlistprintf(buf
, PAGE_SIZE
- 2,
1332 atkbd
->force_release_mask
, ATKBD_KEYMAP_SIZE
);
1340 static ssize_t
atkbd_set_force_release(struct atkbd
*atkbd
,
1341 const char *buf
, size_t count
)
1343 /* 64 bytes on stack should be acceptable */
1344 DECLARE_BITMAP(new_mask
, ATKBD_KEYMAP_SIZE
);
1347 err
= bitmap_parselist(buf
, new_mask
, ATKBD_KEYMAP_SIZE
);
1351 memcpy(atkbd
->force_release_mask
, new_mask
, sizeof(atkbd
->force_release_mask
));
1356 static ssize_t
atkbd_show_scroll(struct atkbd
*atkbd
, char *buf
)
1358 return sprintf(buf
, "%d\n", atkbd
->scroll
? 1 : 0);
1361 static ssize_t
atkbd_set_scroll(struct atkbd
*atkbd
, const char *buf
, size_t count
)
1363 struct input_dev
*old_dev
, *new_dev
;
1364 unsigned long value
;
1366 unsigned char old_scroll
;
1368 if (strict_strtoul(buf
, 10, &value
) || value
> 1)
1371 if (atkbd
->scroll
!= value
) {
1372 old_dev
= atkbd
->dev
;
1373 old_scroll
= atkbd
->scroll
;
1375 new_dev
= input_allocate_device();
1379 atkbd
->dev
= new_dev
;
1380 atkbd
->scroll
= value
;
1381 atkbd_set_keycode_table(atkbd
);
1382 atkbd_set_device_attrs(atkbd
);
1384 err
= input_register_device(atkbd
->dev
);
1386 input_free_device(new_dev
);
1388 atkbd
->scroll
= old_scroll
;
1389 atkbd
->dev
= old_dev
;
1390 atkbd_set_keycode_table(atkbd
);
1391 atkbd_set_device_attrs(atkbd
);
1395 input_unregister_device(old_dev
);
1400 static ssize_t
atkbd_show_set(struct atkbd
*atkbd
, char *buf
)
1402 return sprintf(buf
, "%d\n", atkbd
->set
);
1405 static ssize_t
atkbd_set_set(struct atkbd
*atkbd
, const char *buf
, size_t count
)
1407 struct input_dev
*old_dev
, *new_dev
;
1408 unsigned long value
;
1410 unsigned char old_set
, old_extra
;
1415 if (strict_strtoul(buf
, 10, &value
) || (value
!= 2 && value
!= 3))
1418 if (atkbd
->set
!= value
) {
1419 old_dev
= atkbd
->dev
;
1420 old_extra
= atkbd
->extra
;
1421 old_set
= atkbd
->set
;
1423 new_dev
= input_allocate_device();
1427 atkbd
->dev
= new_dev
;
1428 atkbd
->set
= atkbd_select_set(atkbd
, value
, atkbd
->extra
);
1429 atkbd_reset_state(atkbd
);
1430 atkbd_activate(atkbd
);
1431 atkbd_set_keycode_table(atkbd
);
1432 atkbd_set_device_attrs(atkbd
);
1434 err
= input_register_device(atkbd
->dev
);
1436 input_free_device(new_dev
);
1438 atkbd
->dev
= old_dev
;
1439 atkbd
->set
= atkbd_select_set(atkbd
, old_set
, old_extra
);
1440 atkbd_set_keycode_table(atkbd
);
1441 atkbd_set_device_attrs(atkbd
);
1445 input_unregister_device(old_dev
);
1450 static ssize_t
atkbd_show_softrepeat(struct atkbd
*atkbd
, char *buf
)
1452 return sprintf(buf
, "%d\n", atkbd
->softrepeat
? 1 : 0);
1455 static ssize_t
atkbd_set_softrepeat(struct atkbd
*atkbd
, const char *buf
, size_t count
)
1457 struct input_dev
*old_dev
, *new_dev
;
1458 unsigned long value
;
1460 unsigned char old_softrepeat
, old_softraw
;
1465 if (strict_strtoul(buf
, 10, &value
) || value
> 1)
1468 if (atkbd
->softrepeat
!= value
) {
1469 old_dev
= atkbd
->dev
;
1470 old_softrepeat
= atkbd
->softrepeat
;
1471 old_softraw
= atkbd
->softraw
;
1473 new_dev
= input_allocate_device();
1477 atkbd
->dev
= new_dev
;
1478 atkbd
->softrepeat
= value
;
1479 if (atkbd
->softrepeat
)
1481 atkbd_set_device_attrs(atkbd
);
1483 err
= input_register_device(atkbd
->dev
);
1485 input_free_device(new_dev
);
1487 atkbd
->dev
= old_dev
;
1488 atkbd
->softrepeat
= old_softrepeat
;
1489 atkbd
->softraw
= old_softraw
;
1490 atkbd_set_device_attrs(atkbd
);
1494 input_unregister_device(old_dev
);
1500 static ssize_t
atkbd_show_softraw(struct atkbd
*atkbd
, char *buf
)
1502 return sprintf(buf
, "%d\n", atkbd
->softraw
? 1 : 0);
1505 static ssize_t
atkbd_set_softraw(struct atkbd
*atkbd
, const char *buf
, size_t count
)
1507 struct input_dev
*old_dev
, *new_dev
;
1508 unsigned long value
;
1510 unsigned char old_softraw
;
1512 if (strict_strtoul(buf
, 10, &value
) || value
> 1)
1515 if (atkbd
->softraw
!= value
) {
1516 old_dev
= atkbd
->dev
;
1517 old_softraw
= atkbd
->softraw
;
1519 new_dev
= input_allocate_device();
1523 atkbd
->dev
= new_dev
;
1524 atkbd
->softraw
= value
;
1525 atkbd_set_device_attrs(atkbd
);
1527 err
= input_register_device(atkbd
->dev
);
1529 input_free_device(new_dev
);
1531 atkbd
->dev
= old_dev
;
1532 atkbd
->softraw
= old_softraw
;
1533 atkbd_set_device_attrs(atkbd
);
1537 input_unregister_device(old_dev
);
1542 static ssize_t
atkbd_show_err_count(struct atkbd
*atkbd
, char *buf
)
1544 return sprintf(buf
, "%lu\n", atkbd
->err_count
);
1547 static int __init
atkbd_setup_forced_release(const struct dmi_system_id
*id
)
1549 atkbd_platform_fixup
= atkbd_apply_forced_release_keylist
;
1550 atkbd_platform_fixup_data
= id
->driver_data
;
1555 static int __init
atkbd_setup_scancode_fixup(const struct dmi_system_id
*id
)
1557 atkbd_platform_scancode_fixup
= id
->driver_data
;
1562 static const struct dmi_system_id atkbd_dmi_quirk_table
[] __initconst
= {
1565 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Inc."),
1566 DMI_MATCH(DMI_CHASSIS_TYPE
, "8"), /* Portable */
1568 .callback
= atkbd_setup_forced_release
,
1569 .driver_data
= atkbd_dell_laptop_forced_release_keys
,
1573 DMI_MATCH(DMI_SYS_VENDOR
, "Dell Computer Corporation"),
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
, "Hewlett-Packard"),
1582 DMI_MATCH(DMI_PRODUCT_NAME
, "HP 2133"),
1584 .callback
= atkbd_setup_forced_release
,
1585 .driver_data
= atkbd_hp_forced_release_keys
,
1589 DMI_MATCH(DMI_SYS_VENDOR
, "Hewlett-Packard"),
1590 DMI_MATCH(DMI_PRODUCT_NAME
, "Pavilion ZV6100"),
1592 .callback
= atkbd_setup_forced_release
,
1593 .driver_data
= atkbd_volume_forced_release_keys
,
1597 DMI_MATCH(DMI_SYS_VENDOR
, "Hewlett-Packard"),
1598 DMI_MATCH(DMI_PRODUCT_NAME
, "Presario R4000"),
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 R4100"),
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 R4200"),
1616 .callback
= atkbd_setup_forced_release
,
1617 .driver_data
= atkbd_volume_forced_release_keys
,
1620 /* Inventec Symphony */
1622 DMI_MATCH(DMI_SYS_VENDOR
, "INVENTEC"),
1623 DMI_MATCH(DMI_PRODUCT_NAME
, "SYMPHONY 6.0/7.0"),
1625 .callback
= atkbd_setup_forced_release
,
1626 .driver_data
= atkbd_volume_forced_release_keys
,
1631 DMI_MATCH(DMI_SYS_VENDOR
, "SAMSUNG ELECTRONICS CO., LTD."),
1632 DMI_MATCH(DMI_PRODUCT_NAME
, "NC10"),
1634 .callback
= atkbd_setup_forced_release
,
1635 .driver_data
= atkbd_samsung_forced_release_keys
,
1640 DMI_MATCH(DMI_SYS_VENDOR
, "SAMSUNG ELECTRONICS CO., LTD."),
1641 DMI_MATCH(DMI_PRODUCT_NAME
, "NC20"),
1643 .callback
= atkbd_setup_forced_release
,
1644 .driver_data
= atkbd_samsung_forced_release_keys
,
1647 /* Samsung SQ45S70S */
1649 DMI_MATCH(DMI_SYS_VENDOR
, "SAMSUNG ELECTRONICS CO., LTD."),
1650 DMI_MATCH(DMI_PRODUCT_NAME
, "SQ45S70S"),
1652 .callback
= atkbd_setup_forced_release
,
1653 .driver_data
= atkbd_samsung_forced_release_keys
,
1656 /* Fujitsu Amilo PA 1510 */
1658 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
1659 DMI_MATCH(DMI_PRODUCT_NAME
, "AMILO Pa 1510"),
1661 .callback
= atkbd_setup_forced_release
,
1662 .driver_data
= atkbd_volume_forced_release_keys
,
1665 /* Fujitsu Amilo Pi 3525 */
1667 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
1668 DMI_MATCH(DMI_PRODUCT_NAME
, "AMILO Pi 3525"),
1670 .callback
= atkbd_setup_forced_release
,
1671 .driver_data
= atkbd_amilo_pi3525_forced_release_keys
,
1674 /* Fujitsu Amilo Xi 3650 */
1676 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
1677 DMI_MATCH(DMI_PRODUCT_NAME
, "AMILO Xi 3650"),
1679 .callback
= atkbd_setup_forced_release
,
1680 .driver_data
= atkbd_amilo_xi3650_forced_release_keys
,
1684 DMI_MATCH(DMI_SYS_VENDOR
, "Soltech Corporation"),
1685 DMI_MATCH(DMI_PRODUCT_NAME
, "TA12"),
1687 .callback
= atkbd_setup_forced_release
,
1688 .driver_data
= atkdb_soltech_ta12_forced_release_keys
,
1693 DMI_MATCH(DMI_SYS_VENDOR
, "OQO"),
1694 DMI_MATCH(DMI_PRODUCT_NAME
, "ZEPTO"),
1696 .callback
= atkbd_setup_scancode_fixup
,
1697 .driver_data
= atkbd_oqo_01plus_scancode_fixup
,
1702 static int __init
atkbd_init(void)
1704 dmi_check_system(atkbd_dmi_quirk_table
);
1706 return serio_register_driver(&atkbd_drv
);
1709 static void __exit
atkbd_exit(void)
1711 serio_unregister_driver(&atkbd_drv
);
1714 module_init(atkbd_init
);
1715 module_exit(atkbd_exit
);