Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * AT and PS/2 keyboard driver | |
3 | * | |
4 | * Copyright (c) 1999-2002 Vojtech Pavlik | |
5 | */ | |
6 | ||
7 | /* | |
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. | |
11 | */ | |
12 | ||
13 | /* | |
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 | |
17 | * converter. | |
18 | */ | |
19 | ||
20 | #include <linux/delay.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/moduleparam.h> | |
23 | #include <linux/slab.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/input.h> | |
27 | #include <linux/serio.h> | |
28 | #include <linux/workqueue.h> | |
29 | #include <linux/libps2.h> | |
30 | ||
31 | #define DRIVER_DESC "AT and PS/2 keyboard driver" | |
32 | ||
33 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); | |
34 | MODULE_DESCRIPTION(DRIVER_DESC); | |
35 | MODULE_LICENSE("GPL"); | |
36 | ||
37 | static int atkbd_set = 2; | |
38 | module_param_named(set, atkbd_set, int, 0); | |
39 | MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)"); | |
40 | ||
41 | #if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) | |
42 | static int atkbd_reset; | |
43 | #else | |
44 | static int atkbd_reset = 1; | |
45 | #endif | |
46 | module_param_named(reset, atkbd_reset, bool, 0); | |
47 | MODULE_PARM_DESC(reset, "Reset keyboard during initialization"); | |
48 | ||
49 | static int atkbd_softrepeat; | |
50 | module_param_named(softrepeat, atkbd_softrepeat, bool, 0); | |
51 | MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat"); | |
52 | ||
53 | static int atkbd_softraw = 1; | |
54 | module_param_named(softraw, atkbd_softraw, bool, 0); | |
55 | MODULE_PARM_DESC(softraw, "Use software generated rawmode"); | |
56 | ||
57 | static int atkbd_scroll = 1; | |
58 | module_param_named(scroll, atkbd_scroll, bool, 0); | |
59 | MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); | |
60 | ||
61 | static int atkbd_extra; | |
62 | module_param_named(extra, atkbd_extra, bool, 0); | |
63 | MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); | |
64 | ||
65 | __obsolete_setup("atkbd_set="); | |
66 | __obsolete_setup("atkbd_reset"); | |
67 | __obsolete_setup("atkbd_softrepeat="); | |
68 | ||
69 | /* | |
70 | * Scancode to keycode tables. These are just the default setting, and | |
71 | * are loadable via an userland utility. | |
72 | */ | |
73 | ||
74 | static unsigned char atkbd_set2_keycode[512] = { | |
75 | ||
76 | #ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES | |
77 | ||
78 | /* XXX: need a more general approach */ | |
79 | ||
80 | #include "hpps2atkbd.h" /* include the keyboard scancodes */ | |
81 | ||
82 | #else | |
83 | 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, | |
84 | 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, | |
85 | 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, | |
86 | 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, | |
87 | 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, | |
88 | 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, | |
89 | 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, | |
90 | 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, | |
91 | ||
92 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
93 | 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, | |
94 | 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, | |
95 | 159, 0,115, 0,164, 0, 0,116,158, 0,150,166, 0, 0, 0,142, | |
96 | 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, | |
97 | 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, | |
98 | 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, | |
99 | 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, | |
100 | ||
101 | 0, 0, 0, 65, 99, | |
102 | #endif | |
103 | }; | |
104 | ||
105 | static unsigned char atkbd_set3_keycode[512] = { | |
106 | ||
107 | 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, | |
108 | 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, | |
109 | 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64, | |
110 | 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66, | |
111 | 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68, | |
112 | 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70, | |
113 | 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104, | |
114 | 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, | |
115 | ||
116 | 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0, | |
117 | 0,139,150,163,165,115,152,150,166,140,160,154,113,114,167,168, | |
118 | 148,149,147,140 | |
119 | }; | |
120 | ||
121 | static unsigned char atkbd_unxlate_table[128] = { | |
122 | 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, | |
123 | 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, | |
124 | 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, | |
125 | 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, | |
126 | 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, | |
127 | 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, | |
128 | 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, | |
129 | 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 | |
130 | }; | |
131 | ||
132 | #define ATKBD_CMD_SETLEDS 0x10ed | |
133 | #define ATKBD_CMD_GSCANSET 0x11f0 | |
134 | #define ATKBD_CMD_SSCANSET 0x10f0 | |
135 | #define ATKBD_CMD_GETID 0x02f2 | |
136 | #define ATKBD_CMD_SETREP 0x10f3 | |
137 | #define ATKBD_CMD_ENABLE 0x00f4 | |
138 | #define ATKBD_CMD_RESET_DIS 0x00f5 | |
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 | |
145 | ||
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_HANGUEL 0xf1 | |
153 | #define ATKBD_RET_HANJA 0xf2 | |
154 | #define ATKBD_RET_ERR 0xff | |
155 | ||
156 | #define ATKBD_KEY_UNKNOWN 0 | |
157 | #define ATKBD_KEY_NULL 255 | |
158 | ||
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 | |
166 | ||
167 | #define ATKBD_SPECIAL 248 | |
168 | ||
169 | static struct { | |
170 | unsigned char keycode; | |
171 | unsigned char set2; | |
172 | } atkbd_scroll_keys[] = { | |
173 | { ATKBD_SCR_1, 0xc5 }, | |
5212dd58 VP |
174 | { ATKBD_SCR_2, 0x9d }, |
175 | { ATKBD_SCR_4, 0xa4 }, | |
176 | { ATKBD_SCR_8, 0x9b }, | |
1da177e4 LT |
177 | { ATKBD_SCR_CLICK, 0xe0 }, |
178 | { ATKBD_SCR_LEFT, 0xcb }, | |
179 | { ATKBD_SCR_RIGHT, 0xd2 }, | |
180 | }; | |
181 | ||
182 | /* | |
183 | * The atkbd control structure | |
184 | */ | |
185 | ||
186 | struct atkbd { | |
187 | ||
188 | struct ps2dev ps2dev; | |
189 | ||
190 | /* Written only during init */ | |
191 | char name[64]; | |
192 | char phys[32]; | |
193 | struct input_dev dev; | |
194 | ||
195 | unsigned short id; | |
196 | unsigned char keycode[512]; | |
197 | unsigned char set; | |
198 | unsigned char translated; | |
199 | unsigned char extra; | |
200 | unsigned char write; | |
201 | unsigned char softrepeat; | |
202 | unsigned char softraw; | |
203 | unsigned char scroll; | |
204 | unsigned char enabled; | |
205 | ||
206 | /* Accessed only from interrupt */ | |
207 | unsigned char emul; | |
208 | unsigned char resend; | |
209 | unsigned char release; | |
210 | unsigned char bat_xl; | |
211 | unsigned int last; | |
212 | unsigned long time; | |
213 | }; | |
214 | ||
215 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, | |
216 | ssize_t (*handler)(struct atkbd *, char *)); | |
217 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, | |
218 | ssize_t (*handler)(struct atkbd *, const char *, size_t)); | |
219 | #define ATKBD_DEFINE_ATTR(_name) \ | |
220 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ | |
221 | static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ | |
222 | static ssize_t atkbd_do_show_##_name(struct device *d, char *b) \ | |
223 | { \ | |
224 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ | |
225 | } \ | |
226 | static ssize_t atkbd_do_set_##_name(struct device *d, const char *b, size_t s) \ | |
227 | { \ | |
228 | return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ | |
229 | } \ | |
230 | static struct device_attribute atkbd_attr_##_name = \ | |
231 | __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); | |
232 | ||
233 | ATKBD_DEFINE_ATTR(extra); | |
234 | ATKBD_DEFINE_ATTR(scroll); | |
235 | ATKBD_DEFINE_ATTR(set); | |
236 | ATKBD_DEFINE_ATTR(softrepeat); | |
237 | ATKBD_DEFINE_ATTR(softraw); | |
238 | ||
239 | ||
240 | static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value) | |
241 | { | |
242 | input_regs(dev, regs); | |
243 | if (value == 3) { | |
244 | input_report_key(dev, code, 1); | |
245 | input_sync(dev); | |
246 | input_report_key(dev, code, 0); | |
247 | } else | |
248 | input_event(dev, EV_KEY, code, value); | |
249 | input_sync(dev); | |
250 | } | |
251 | ||
252 | /* | |
253 | * atkbd_interrupt(). Here takes place processing of data received from | |
254 | * the keyboard into events. | |
255 | */ | |
256 | ||
257 | static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, | |
258 | unsigned int flags, struct pt_regs *regs) | |
259 | { | |
260 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
261 | unsigned int code = data; | |
262 | int scroll = 0, hscroll = 0, click = -1; | |
263 | int value; | |
264 | ||
265 | #ifdef ATKBD_DEBUG | |
266 | printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); | |
267 | #endif | |
268 | ||
269 | #if !defined(__i386__) && !defined (__x86_64__) | |
270 | if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { | |
271 | printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags); | |
272 | serio_write(serio, ATKBD_CMD_RESEND); | |
273 | atkbd->resend = 1; | |
274 | goto out; | |
275 | } | |
276 | ||
277 | if (!flags && data == ATKBD_RET_ACK) | |
278 | atkbd->resend = 0; | |
279 | #endif | |
280 | ||
281 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) | |
282 | if (ps2_handle_ack(&atkbd->ps2dev, data)) | |
283 | goto out; | |
284 | ||
285 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) | |
286 | if (ps2_handle_response(&atkbd->ps2dev, data)) | |
287 | goto out; | |
288 | ||
289 | if (!atkbd->enabled) | |
290 | goto out; | |
291 | ||
292 | input_event(&atkbd->dev, EV_MSC, MSC_RAW, code); | |
293 | ||
294 | if (atkbd->translated) { | |
295 | ||
296 | if (atkbd->emul || | |
297 | !(code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1 || | |
298 | code == ATKBD_RET_HANGUEL || code == ATKBD_RET_HANJA || | |
299 | code == ATKBD_RET_ERR || | |
300 | (code == ATKBD_RET_BAT && !atkbd->bat_xl))) { | |
301 | atkbd->release = code >> 7; | |
302 | code &= 0x7f; | |
303 | } | |
304 | ||
305 | if (!atkbd->emul && | |
306 | (code & 0x7f) == (ATKBD_RET_BAT & 0x7f)) | |
307 | atkbd->bat_xl = !atkbd->release; | |
308 | } | |
309 | ||
310 | switch (code) { | |
311 | case ATKBD_RET_BAT: | |
312 | atkbd->enabled = 0; | |
313 | serio_rescan(atkbd->ps2dev.serio); | |
314 | goto out; | |
315 | case ATKBD_RET_EMUL0: | |
316 | atkbd->emul = 1; | |
317 | goto out; | |
318 | case ATKBD_RET_EMUL1: | |
319 | atkbd->emul = 2; | |
320 | goto out; | |
321 | case ATKBD_RET_RELEASE: | |
322 | atkbd->release = 1; | |
323 | goto out; | |
324 | case ATKBD_RET_HANGUEL: | |
325 | atkbd_report_key(&atkbd->dev, regs, KEY_HANGUEL, 3); | |
326 | goto out; | |
327 | case ATKBD_RET_HANJA: | |
328 | atkbd_report_key(&atkbd->dev, regs, KEY_HANJA, 3); | |
329 | goto out; | |
330 | case ATKBD_RET_ERR: | |
331 | printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys); | |
332 | goto out; | |
333 | } | |
334 | ||
335 | if (atkbd->set != 3) | |
336 | code = (code & 0x7f) | ((code & 0x80) << 1); | |
337 | if (atkbd->emul) { | |
338 | if (--atkbd->emul) | |
339 | goto out; | |
340 | code |= (atkbd->set != 3) ? 0x80 : 0x100; | |
341 | } | |
342 | ||
343 | if (atkbd->keycode[code] != ATKBD_KEY_NULL) | |
344 | input_event(&atkbd->dev, EV_MSC, MSC_SCAN, code); | |
345 | ||
346 | switch (atkbd->keycode[code]) { | |
347 | case ATKBD_KEY_NULL: | |
348 | break; | |
349 | case ATKBD_KEY_UNKNOWN: | |
350 | if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) { | |
351 | printk(KERN_WARNING "atkbd.c: Spurious %s on %s. Some program, " | |
352 | "like XFree86, might be trying access hardware directly.\n", | |
353 | data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); | |
354 | } else { | |
355 | printk(KERN_WARNING "atkbd.c: Unknown key %s " | |
356 | "(%s set %d, code %#x on %s).\n", | |
357 | atkbd->release ? "released" : "pressed", | |
358 | atkbd->translated ? "translated" : "raw", | |
359 | atkbd->set, code, serio->phys); | |
360 | printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' " | |
361 | "to make it known.\n", | |
362 | code & 0x80 ? "e0" : "", code & 0x7f); | |
363 | } | |
364 | input_sync(&atkbd->dev); | |
365 | break; | |
366 | case ATKBD_SCR_1: | |
367 | scroll = 1 - atkbd->release * 2; | |
368 | break; | |
369 | case ATKBD_SCR_2: | |
370 | scroll = 2 - atkbd->release * 4; | |
371 | break; | |
372 | case ATKBD_SCR_4: | |
373 | scroll = 4 - atkbd->release * 8; | |
374 | break; | |
375 | case ATKBD_SCR_8: | |
376 | scroll = 8 - atkbd->release * 16; | |
377 | break; | |
378 | case ATKBD_SCR_CLICK: | |
379 | click = !atkbd->release; | |
380 | break; | |
381 | case ATKBD_SCR_LEFT: | |
382 | hscroll = -1; | |
383 | break; | |
384 | case ATKBD_SCR_RIGHT: | |
385 | hscroll = 1; | |
386 | break; | |
387 | default: | |
388 | value = atkbd->release ? 0 : | |
389 | (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev.key))); | |
390 | ||
391 | switch (value) { /* Workaround Toshiba laptop multiple keypress */ | |
392 | case 0: | |
393 | atkbd->last = 0; | |
394 | break; | |
395 | case 1: | |
396 | atkbd->last = code; | |
397 | atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev.rep[REP_DELAY]) / 2; | |
398 | break; | |
399 | case 2: | |
400 | if (!time_after(jiffies, atkbd->time) && atkbd->last == code) | |
401 | value = 1; | |
402 | break; | |
403 | } | |
404 | ||
405 | atkbd_report_key(&atkbd->dev, regs, atkbd->keycode[code], value); | |
406 | } | |
407 | ||
408 | if (atkbd->scroll) { | |
409 | input_regs(&atkbd->dev, regs); | |
410 | if (click != -1) | |
411 | input_report_key(&atkbd->dev, BTN_MIDDLE, click); | |
412 | input_report_rel(&atkbd->dev, REL_WHEEL, scroll); | |
413 | input_report_rel(&atkbd->dev, REL_HWHEEL, hscroll); | |
414 | input_sync(&atkbd->dev); | |
415 | } | |
416 | ||
417 | atkbd->release = 0; | |
418 | out: | |
419 | return IRQ_HANDLED; | |
420 | } | |
421 | ||
422 | /* | |
423 | * Event callback from the input module. Events that change the state of | |
424 | * the hardware are processed here. | |
425 | */ | |
426 | ||
427 | static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) | |
428 | { | |
429 | struct atkbd *atkbd = dev->private; | |
430 | const short period[32] = | |
431 | { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, | |
432 | 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; | |
433 | const short delay[4] = | |
434 | { 250, 500, 750, 1000 }; | |
435 | unsigned char param[2]; | |
436 | int i, j; | |
437 | ||
438 | if (!atkbd->write) | |
439 | return -1; | |
440 | ||
441 | switch (type) { | |
442 | ||
443 | case EV_LED: | |
444 | ||
445 | param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) | |
446 | | (test_bit(LED_NUML, dev->led) ? 2 : 0) | |
447 | | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); | |
448 | ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS); | |
449 | ||
450 | if (atkbd->extra) { | |
451 | param[0] = 0; | |
452 | param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) | |
453 | | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) | |
454 | | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) | |
455 | | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) | |
456 | | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); | |
457 | ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS); | |
458 | } | |
459 | ||
460 | return 0; | |
461 | ||
462 | ||
463 | case EV_REP: | |
464 | ||
465 | if (atkbd->softrepeat) return 0; | |
466 | ||
467 | i = j = 0; | |
53b21689 AB |
468 | while (i < 31 && period[i] < dev->rep[REP_PERIOD]) |
469 | i++; | |
470 | while (j < 3 && delay[j] < dev->rep[REP_DELAY]) | |
471 | j++; | |
1da177e4 LT |
472 | dev->rep[REP_PERIOD] = period[i]; |
473 | dev->rep[REP_DELAY] = delay[j]; | |
474 | param[0] = i | (j << 5); | |
475 | ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP); | |
476 | ||
477 | return 0; | |
478 | } | |
479 | ||
480 | return -1; | |
481 | } | |
482 | ||
483 | /* | |
484 | * atkbd_enable() signals that interrupt handler is allowed to | |
485 | * generate input events. | |
486 | */ | |
487 | ||
488 | static inline void atkbd_enable(struct atkbd *atkbd) | |
489 | { | |
490 | serio_pause_rx(atkbd->ps2dev.serio); | |
491 | atkbd->enabled = 1; | |
492 | serio_continue_rx(atkbd->ps2dev.serio); | |
493 | } | |
494 | ||
495 | /* | |
496 | * atkbd_disable() tells input handler that all incoming data except | |
497 | * for ACKs and command response should be dropped. | |
498 | */ | |
499 | ||
500 | static inline void atkbd_disable(struct atkbd *atkbd) | |
501 | { | |
502 | serio_pause_rx(atkbd->ps2dev.serio); | |
503 | atkbd->enabled = 0; | |
504 | serio_continue_rx(atkbd->ps2dev.serio); | |
505 | } | |
506 | ||
507 | /* | |
508 | * atkbd_probe() probes for an AT keyboard on a serio port. | |
509 | */ | |
510 | ||
511 | static int atkbd_probe(struct atkbd *atkbd) | |
512 | { | |
513 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
514 | unsigned char param[2]; | |
515 | ||
516 | /* | |
517 | * Some systems, where the bit-twiddling when testing the io-lines of the | |
518 | * controller may confuse the keyboard need a full reset of the keyboard. On | |
519 | * these systems the BIOS also usually doesn't do it for us. | |
520 | */ | |
521 | ||
522 | if (atkbd_reset) | |
523 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) | |
524 | printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys); | |
525 | ||
526 | /* | |
527 | * Then we check the keyboard ID. We should get 0xab83 under normal conditions. | |
528 | * Some keyboards report different values, but the first byte is always 0xab or | |
529 | * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this | |
530 | * should make sure we don't try to set the LEDs on it. | |
531 | */ | |
532 | ||
533 | param[0] = param[1] = 0xa5; /* initialize with invalid values */ | |
534 | if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { | |
535 | ||
536 | /* | |
537 | * If the get ID command failed, we check if we can at least set the LEDs on | |
538 | * the keyboard. This should work on every keyboard out there. It also turns | |
539 | * the LEDs off, which we want anyway. | |
540 | */ | |
541 | param[0] = 0; | |
542 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) | |
543 | return -1; | |
544 | atkbd->id = 0xabba; | |
545 | return 0; | |
546 | } | |
547 | ||
548 | if (param[0] != 0xab && param[0] != 0xac && /* Regular and NCD Sun keyboards */ | |
549 | param[0] != 0x2b && param[0] != 0x5d && /* Trust keyboard, raw and translated */ | |
550 | param[0] != 0x60 && param[0] != 0x47) /* NMB SGI keyboard, raw and translated */ | |
551 | return -1; | |
552 | ||
553 | atkbd->id = (param[0] << 8) | param[1]; | |
554 | ||
555 | if (atkbd->id == 0xaca1 && atkbd->translated) { | |
556 | printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n"); | |
557 | printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n"); | |
558 | return -1; | |
559 | } | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
564 | /* | |
565 | * atkbd_select_set checks if a keyboard has a working Set 3 support, and | |
566 | * sets it into that. Unfortunately there are keyboards that can be switched | |
567 | * to Set 3, but don't work well in that (BTC Multimedia ...) | |
568 | */ | |
569 | ||
570 | static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) | |
571 | { | |
572 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
573 | unsigned char param[2]; | |
574 | ||
575 | atkbd->extra = 0; | |
576 | /* | |
577 | * For known special keyboards we can go ahead and set the correct set. | |
578 | * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and | |
579 | * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. | |
580 | */ | |
581 | ||
582 | if (atkbd->translated) | |
583 | return 2; | |
584 | ||
585 | if (atkbd->id == 0xaca1) { | |
586 | param[0] = 3; | |
587 | ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); | |
588 | return 3; | |
589 | } | |
590 | ||
591 | if (allow_extra) { | |
592 | param[0] = 0x71; | |
593 | if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { | |
594 | atkbd->extra = 1; | |
595 | return 2; | |
596 | } | |
597 | } | |
598 | ||
599 | if (target_set != 3) | |
600 | return 2; | |
601 | ||
602 | if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { | |
603 | atkbd->id = param[0] << 8 | param[1]; | |
604 | return 2; | |
605 | } | |
606 | ||
607 | param[0] = 3; | |
608 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) | |
609 | return 2; | |
610 | ||
611 | param[0] = 0; | |
612 | if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) | |
613 | return 2; | |
614 | ||
615 | if (param[0] != 3) { | |
616 | param[0] = 2; | |
617 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) | |
618 | return 2; | |
619 | } | |
620 | ||
621 | ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); | |
622 | ||
623 | return 3; | |
624 | } | |
625 | ||
626 | static int atkbd_activate(struct atkbd *atkbd) | |
627 | { | |
628 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
629 | unsigned char param[1]; | |
630 | ||
631 | /* | |
632 | * Set the LEDs to a defined state. | |
633 | */ | |
634 | ||
635 | param[0] = 0; | |
636 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) | |
637 | return -1; | |
638 | ||
639 | /* | |
640 | * Set autorepeat to fastest possible. | |
641 | */ | |
642 | ||
643 | param[0] = 0; | |
644 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) | |
645 | return -1; | |
646 | ||
647 | /* | |
648 | * Enable the keyboard to receive keystrokes. | |
649 | */ | |
650 | ||
651 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { | |
652 | printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n", | |
653 | ps2dev->serio->phys); | |
654 | return -1; | |
655 | } | |
656 | ||
657 | return 0; | |
658 | } | |
659 | ||
660 | /* | |
661 | * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a | |
662 | * reboot. | |
663 | */ | |
664 | ||
665 | static void atkbd_cleanup(struct serio *serio) | |
666 | { | |
667 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
668 | ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); | |
669 | } | |
670 | ||
671 | ||
672 | /* | |
673 | * atkbd_disconnect() closes and frees. | |
674 | */ | |
675 | ||
676 | static void atkbd_disconnect(struct serio *serio) | |
677 | { | |
678 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
679 | ||
680 | atkbd_disable(atkbd); | |
681 | ||
682 | /* make sure we don't have a command in flight */ | |
fbd568a3 | 683 | synchronize_sched(); /* Allow atkbd_interrupt()s to complete. */ |
1da177e4 LT |
684 | flush_scheduled_work(); |
685 | ||
686 | device_remove_file(&serio->dev, &atkbd_attr_extra); | |
687 | device_remove_file(&serio->dev, &atkbd_attr_scroll); | |
688 | device_remove_file(&serio->dev, &atkbd_attr_set); | |
689 | device_remove_file(&serio->dev, &atkbd_attr_softrepeat); | |
690 | device_remove_file(&serio->dev, &atkbd_attr_softraw); | |
691 | ||
692 | input_unregister_device(&atkbd->dev); | |
693 | serio_close(serio); | |
694 | serio_set_drvdata(serio, NULL); | |
695 | kfree(atkbd); | |
696 | } | |
697 | ||
698 | ||
699 | /* | |
700 | * atkbd_set_device_attrs() initializes keyboard's keycode table | |
701 | * according to the selected scancode set | |
702 | */ | |
703 | ||
704 | static void atkbd_set_keycode_table(struct atkbd *atkbd) | |
705 | { | |
706 | int i, j; | |
707 | ||
708 | memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); | |
709 | ||
710 | if (atkbd->translated) { | |
711 | for (i = 0; i < 128; i++) { | |
712 | atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]]; | |
713 | atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80]; | |
714 | if (atkbd->scroll) | |
715 | for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) | |
716 | if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j].set2) | |
717 | atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; | |
718 | } | |
719 | } else if (atkbd->set == 3) { | |
720 | memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); | |
721 | } else { | |
722 | memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); | |
723 | ||
724 | if (atkbd->scroll) | |
725 | for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) | |
726 | atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode; | |
727 | } | |
728 | } | |
729 | ||
730 | /* | |
731 | * atkbd_set_device_attrs() sets up keyboard's input device structure | |
732 | */ | |
733 | ||
734 | static void atkbd_set_device_attrs(struct atkbd *atkbd) | |
735 | { | |
736 | int i; | |
737 | ||
738 | memset(&atkbd->dev, 0, sizeof(struct input_dev)); | |
739 | ||
740 | init_input_dev(&atkbd->dev); | |
741 | ||
742 | atkbd->dev.name = atkbd->name; | |
743 | atkbd->dev.phys = atkbd->phys; | |
744 | atkbd->dev.id.bustype = BUS_I8042; | |
745 | atkbd->dev.id.vendor = 0x0001; | |
746 | atkbd->dev.id.product = atkbd->translated ? 1 : atkbd->set; | |
747 | atkbd->dev.id.version = atkbd->id; | |
748 | atkbd->dev.event = atkbd_event; | |
749 | atkbd->dev.private = atkbd; | |
750 | atkbd->dev.dev = &atkbd->ps2dev.serio->dev; | |
751 | ||
752 | atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC); | |
753 | ||
754 | if (atkbd->write) { | |
755 | atkbd->dev.evbit[0] |= BIT(EV_LED); | |
756 | atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); | |
757 | } | |
758 | ||
759 | if (atkbd->extra) | |
760 | atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | | |
761 | BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC); | |
762 | ||
763 | if (!atkbd->softrepeat) { | |
764 | atkbd->dev.rep[REP_DELAY] = 250; | |
765 | atkbd->dev.rep[REP_PERIOD] = 33; | |
766 | } | |
767 | ||
768 | atkbd->dev.mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN); | |
769 | ||
770 | if (atkbd->scroll) { | |
771 | atkbd->dev.evbit[0] |= BIT(EV_REL); | |
772 | atkbd->dev.relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL); | |
773 | set_bit(BTN_MIDDLE, atkbd->dev.keybit); | |
774 | } | |
775 | ||
776 | atkbd->dev.keycode = atkbd->keycode; | |
777 | atkbd->dev.keycodesize = sizeof(unsigned char); | |
778 | atkbd->dev.keycodemax = ARRAY_SIZE(atkbd_set2_keycode); | |
779 | ||
780 | for (i = 0; i < 512; i++) | |
781 | if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL) | |
782 | set_bit(atkbd->keycode[i], atkbd->dev.keybit); | |
783 | } | |
784 | ||
785 | /* | |
786 | * atkbd_connect() is called when the serio module finds an interface | |
787 | * that isn't handled yet by an appropriate device driver. We check if | |
788 | * there is an AT keyboard out there and if yes, we register ourselves | |
789 | * to the input module. | |
790 | */ | |
791 | ||
792 | static int atkbd_connect(struct serio *serio, struct serio_driver *drv) | |
793 | { | |
794 | struct atkbd *atkbd; | |
795 | int err; | |
796 | ||
797 | if (!(atkbd = kmalloc(sizeof(struct atkbd), GFP_KERNEL))) | |
798 | return - ENOMEM; | |
799 | ||
800 | memset(atkbd, 0, sizeof(struct atkbd)); | |
801 | ||
802 | ps2_init(&atkbd->ps2dev, serio); | |
803 | ||
804 | switch (serio->id.type) { | |
805 | ||
806 | case SERIO_8042_XL: | |
807 | atkbd->translated = 1; | |
808 | case SERIO_8042: | |
809 | if (serio->write) | |
810 | atkbd->write = 1; | |
811 | break; | |
812 | } | |
813 | ||
814 | atkbd->softraw = atkbd_softraw; | |
815 | atkbd->softrepeat = atkbd_softrepeat; | |
816 | atkbd->scroll = atkbd_scroll; | |
817 | ||
818 | if (!atkbd->write) | |
819 | atkbd->softrepeat = 1; | |
820 | ||
821 | if (atkbd->softrepeat) | |
822 | atkbd->softraw = 1; | |
823 | ||
824 | serio_set_drvdata(serio, atkbd); | |
825 | ||
826 | err = serio_open(serio, drv); | |
827 | if (err) { | |
828 | serio_set_drvdata(serio, NULL); | |
829 | kfree(atkbd); | |
830 | return err; | |
831 | } | |
832 | ||
833 | if (atkbd->write) { | |
834 | ||
835 | if (atkbd_probe(atkbd)) { | |
836 | serio_close(serio); | |
837 | serio_set_drvdata(serio, NULL); | |
838 | kfree(atkbd); | |
839 | return -ENODEV; | |
840 | } | |
841 | ||
842 | atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); | |
843 | atkbd_activate(atkbd); | |
844 | ||
845 | } else { | |
846 | atkbd->set = 2; | |
847 | atkbd->id = 0xab00; | |
848 | } | |
849 | ||
850 | if (atkbd->extra) | |
851 | sprintf(atkbd->name, "AT Set 2 Extra keyboard"); | |
852 | else | |
853 | sprintf(atkbd->name, "AT %s Set %d keyboard", | |
854 | atkbd->translated ? "Translated" : "Raw", atkbd->set); | |
855 | ||
856 | sprintf(atkbd->phys, "%s/input0", serio->phys); | |
857 | ||
858 | atkbd_set_keycode_table(atkbd); | |
859 | atkbd_set_device_attrs(atkbd); | |
860 | ||
861 | input_register_device(&atkbd->dev); | |
862 | ||
863 | device_create_file(&serio->dev, &atkbd_attr_extra); | |
864 | device_create_file(&serio->dev, &atkbd_attr_scroll); | |
865 | device_create_file(&serio->dev, &atkbd_attr_set); | |
866 | device_create_file(&serio->dev, &atkbd_attr_softrepeat); | |
867 | device_create_file(&serio->dev, &atkbd_attr_softraw); | |
868 | ||
869 | atkbd_enable(atkbd); | |
870 | ||
871 | printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys); | |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
876 | /* | |
877 | * atkbd_reconnect() tries to restore keyboard into a sane state and is | |
878 | * most likely called on resume. | |
879 | */ | |
880 | ||
881 | static int atkbd_reconnect(struct serio *serio) | |
882 | { | |
883 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
884 | struct serio_driver *drv = serio->drv; | |
885 | unsigned char param[1]; | |
886 | ||
887 | if (!atkbd || !drv) { | |
888 | printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); | |
889 | return -1; | |
890 | } | |
891 | ||
892 | atkbd_disable(atkbd); | |
893 | ||
894 | if (atkbd->write) { | |
895 | param[0] = (test_bit(LED_SCROLLL, atkbd->dev.led) ? 1 : 0) | |
896 | | (test_bit(LED_NUML, atkbd->dev.led) ? 2 : 0) | |
897 | | (test_bit(LED_CAPSL, atkbd->dev.led) ? 4 : 0); | |
898 | ||
899 | if (atkbd_probe(atkbd)) | |
900 | return -1; | |
901 | if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) | |
902 | return -1; | |
903 | ||
904 | atkbd_activate(atkbd); | |
905 | ||
906 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) | |
907 | return -1; | |
908 | } | |
909 | ||
910 | atkbd_enable(atkbd); | |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
915 | static struct serio_device_id atkbd_serio_ids[] = { | |
916 | { | |
917 | .type = SERIO_8042, | |
918 | .proto = SERIO_ANY, | |
919 | .id = SERIO_ANY, | |
920 | .extra = SERIO_ANY, | |
921 | }, | |
922 | { | |
923 | .type = SERIO_8042_XL, | |
924 | .proto = SERIO_ANY, | |
925 | .id = SERIO_ANY, | |
926 | .extra = SERIO_ANY, | |
927 | }, | |
928 | { | |
929 | .type = SERIO_RS232, | |
930 | .proto = SERIO_PS2SER, | |
931 | .id = SERIO_ANY, | |
932 | .extra = SERIO_ANY, | |
933 | }, | |
934 | { 0 } | |
935 | }; | |
936 | ||
937 | MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); | |
938 | ||
939 | static struct serio_driver atkbd_drv = { | |
940 | .driver = { | |
941 | .name = "atkbd", | |
942 | }, | |
943 | .description = DRIVER_DESC, | |
944 | .id_table = atkbd_serio_ids, | |
945 | .interrupt = atkbd_interrupt, | |
946 | .connect = atkbd_connect, | |
947 | .reconnect = atkbd_reconnect, | |
948 | .disconnect = atkbd_disconnect, | |
949 | .cleanup = atkbd_cleanup, | |
950 | }; | |
951 | ||
952 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, | |
953 | ssize_t (*handler)(struct atkbd *, char *)) | |
954 | { | |
955 | struct serio *serio = to_serio_port(dev); | |
956 | int retval; | |
957 | ||
958 | retval = serio_pin_driver(serio); | |
959 | if (retval) | |
960 | return retval; | |
961 | ||
962 | if (serio->drv != &atkbd_drv) { | |
963 | retval = -ENODEV; | |
964 | goto out; | |
965 | } | |
966 | ||
967 | retval = handler((struct atkbd *)serio_get_drvdata(serio), buf); | |
968 | ||
969 | out: | |
970 | serio_unpin_driver(serio); | |
971 | return retval; | |
972 | } | |
973 | ||
974 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, | |
975 | ssize_t (*handler)(struct atkbd *, const char *, size_t)) | |
976 | { | |
977 | struct serio *serio = to_serio_port(dev); | |
978 | struct atkbd *atkbd; | |
979 | int retval; | |
980 | ||
981 | retval = serio_pin_driver(serio); | |
982 | if (retval) | |
983 | return retval; | |
984 | ||
985 | if (serio->drv != &atkbd_drv) { | |
986 | retval = -ENODEV; | |
987 | goto out; | |
988 | } | |
989 | ||
990 | atkbd = serio_get_drvdata(serio); | |
991 | atkbd_disable(atkbd); | |
992 | retval = handler(atkbd, buf, count); | |
993 | atkbd_enable(atkbd); | |
994 | ||
995 | out: | |
996 | serio_unpin_driver(serio); | |
997 | return retval; | |
998 | } | |
999 | ||
1000 | static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) | |
1001 | { | |
1002 | return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); | |
1003 | } | |
1004 | ||
1005 | static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) | |
1006 | { | |
1007 | unsigned long value; | |
1008 | char *rest; | |
1009 | ||
1010 | if (!atkbd->write) | |
1011 | return -EIO; | |
1012 | ||
1013 | value = simple_strtoul(buf, &rest, 10); | |
1014 | if (*rest || value > 1) | |
1015 | return -EINVAL; | |
1016 | ||
1017 | if (atkbd->extra != value) { | |
1018 | /* unregister device as it's properties will change */ | |
1019 | input_unregister_device(&atkbd->dev); | |
1020 | atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); | |
1021 | atkbd_activate(atkbd); | |
1022 | atkbd_set_device_attrs(atkbd); | |
1023 | input_register_device(&atkbd->dev); | |
1024 | } | |
1025 | return count; | |
1026 | } | |
1027 | ||
1028 | static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) | |
1029 | { | |
1030 | return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); | |
1031 | } | |
1032 | ||
1033 | static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) | |
1034 | { | |
1035 | unsigned long value; | |
1036 | char *rest; | |
1037 | ||
1038 | value = simple_strtoul(buf, &rest, 10); | |
1039 | if (*rest || value > 1) | |
1040 | return -EINVAL; | |
1041 | ||
1042 | if (atkbd->scroll != value) { | |
1043 | /* unregister device as it's properties will change */ | |
1044 | input_unregister_device(&atkbd->dev); | |
1045 | atkbd->scroll = value; | |
1046 | atkbd_set_keycode_table(atkbd); | |
1047 | atkbd_set_device_attrs(atkbd); | |
1048 | input_register_device(&atkbd->dev); | |
1049 | } | |
1050 | return count; | |
1051 | } | |
1052 | ||
1053 | static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) | |
1054 | { | |
1055 | return sprintf(buf, "%d\n", atkbd->set); | |
1056 | } | |
1057 | ||
1058 | static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) | |
1059 | { | |
1060 | unsigned long value; | |
1061 | char *rest; | |
1062 | ||
1063 | if (!atkbd->write) | |
1064 | return -EIO; | |
1065 | ||
1066 | value = simple_strtoul(buf, &rest, 10); | |
1067 | if (*rest || (value != 2 && value != 3)) | |
1068 | return -EINVAL; | |
1069 | ||
1070 | if (atkbd->set != value) { | |
1071 | /* unregister device as it's properties will change */ | |
1072 | input_unregister_device(&atkbd->dev); | |
1073 | atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); | |
1074 | atkbd_activate(atkbd); | |
1075 | atkbd_set_keycode_table(atkbd); | |
1076 | atkbd_set_device_attrs(atkbd); | |
1077 | input_register_device(&atkbd->dev); | |
1078 | } | |
1079 | return count; | |
1080 | } | |
1081 | ||
1082 | static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) | |
1083 | { | |
1084 | return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); | |
1085 | } | |
1086 | ||
1087 | static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) | |
1088 | { | |
1089 | unsigned long value; | |
1090 | char *rest; | |
1091 | ||
1092 | if (!atkbd->write) | |
1093 | return -EIO; | |
1094 | ||
1095 | value = simple_strtoul(buf, &rest, 10); | |
1096 | if (*rest || value > 1) | |
1097 | return -EINVAL; | |
1098 | ||
1099 | if (atkbd->softrepeat != value) { | |
1100 | /* unregister device as it's properties will change */ | |
1101 | input_unregister_device(&atkbd->dev); | |
1102 | atkbd->softrepeat = value; | |
1103 | if (atkbd->softrepeat) | |
1104 | atkbd->softraw = 1; | |
1105 | atkbd_set_device_attrs(atkbd); | |
1106 | input_register_device(&atkbd->dev); | |
1107 | } | |
1108 | ||
1109 | return count; | |
1110 | } | |
1111 | ||
1112 | ||
1113 | static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) | |
1114 | { | |
1115 | return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); | |
1116 | } | |
1117 | ||
1118 | static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) | |
1119 | { | |
1120 | unsigned long value; | |
1121 | char *rest; | |
1122 | ||
1123 | value = simple_strtoul(buf, &rest, 10); | |
1124 | if (*rest || value > 1) | |
1125 | return -EINVAL; | |
1126 | ||
1127 | if (atkbd->softraw != value) { | |
1128 | /* unregister device as it's properties will change */ | |
1129 | input_unregister_device(&atkbd->dev); | |
1130 | atkbd->softraw = value; | |
1131 | atkbd_set_device_attrs(atkbd); | |
1132 | input_register_device(&atkbd->dev); | |
1133 | } | |
1134 | return count; | |
1135 | } | |
1136 | ||
1137 | ||
1138 | static int __init atkbd_init(void) | |
1139 | { | |
1140 | serio_register_driver(&atkbd_drv); | |
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | static void __exit atkbd_exit(void) | |
1145 | { | |
1146 | serio_unregister_driver(&atkbd_drv); | |
1147 | } | |
1148 | ||
1149 | module_init(atkbd_init); | |
1150 | module_exit(atkbd_exit); |