Commit | Line | Data |
---|---|---|
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 | ||
a86d1f43 | 57 | static int atkbd_scroll = 0; |
1da177e4 LT |
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 | ||
3c42f0c3 DT |
188 | struct ps2dev ps2dev; |
189 | struct input_dev *dev; | |
1da177e4 LT |
190 | |
191 | /* Written only during init */ | |
192 | char name[64]; | |
193 | char phys[32]; | |
1da177e4 LT |
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; | |
903b126b | 211 | unsigned char err_xl; |
1da177e4 LT |
212 | unsigned int last; |
213 | unsigned long time; | |
214 | }; | |
215 | ||
216 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, | |
217 | ssize_t (*handler)(struct atkbd *, char *)); | |
218 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, | |
219 | ssize_t (*handler)(struct atkbd *, const char *, size_t)); | |
220 | #define ATKBD_DEFINE_ATTR(_name) \ | |
221 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ | |
222 | static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ | |
e404e274 | 223 | static ssize_t atkbd_do_show_##_name(struct device *d, struct device_attribute *attr, char *b) \ |
1da177e4 LT |
224 | { \ |
225 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ | |
226 | } \ | |
e404e274 | 227 | static ssize_t atkbd_do_set_##_name(struct device *d, struct device_attribute *attr, const char *b, size_t s) \ |
1da177e4 LT |
228 | { \ |
229 | return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ | |
230 | } \ | |
d083e906 | 231 | static struct device_attribute atkbd_attr_##_name = \ |
1da177e4 LT |
232 | __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); |
233 | ||
234 | ATKBD_DEFINE_ATTR(extra); | |
235 | ATKBD_DEFINE_ATTR(scroll); | |
236 | ATKBD_DEFINE_ATTR(set); | |
237 | ATKBD_DEFINE_ATTR(softrepeat); | |
238 | ATKBD_DEFINE_ATTR(softraw); | |
239 | ||
240 | ||
241 | static void atkbd_report_key(struct input_dev *dev, struct pt_regs *regs, int code, int value) | |
242 | { | |
243 | input_regs(dev, regs); | |
244 | if (value == 3) { | |
245 | input_report_key(dev, code, 1); | |
246 | input_sync(dev); | |
247 | input_report_key(dev, code, 0); | |
248 | } else | |
249 | input_event(dev, EV_KEY, code, value); | |
250 | input_sync(dev); | |
251 | } | |
252 | ||
253 | /* | |
254 | * atkbd_interrupt(). Here takes place processing of data received from | |
255 | * the keyboard into events. | |
256 | */ | |
257 | ||
258 | static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, | |
259 | unsigned int flags, struct pt_regs *regs) | |
260 | { | |
261 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
262 | unsigned int code = data; | |
263 | int scroll = 0, hscroll = 0, click = -1; | |
264 | int value; | |
265 | ||
266 | #ifdef ATKBD_DEBUG | |
267 | printk(KERN_DEBUG "atkbd.c: Received %02x flags %02x\n", data, flags); | |
268 | #endif | |
269 | ||
270 | #if !defined(__i386__) && !defined (__x86_64__) | |
271 | if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { | |
272 | printk(KERN_WARNING "atkbd.c: frame/parity error: %02x\n", flags); | |
273 | serio_write(serio, ATKBD_CMD_RESEND); | |
274 | atkbd->resend = 1; | |
275 | goto out; | |
276 | } | |
277 | ||
278 | if (!flags && data == ATKBD_RET_ACK) | |
279 | atkbd->resend = 0; | |
280 | #endif | |
281 | ||
282 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) | |
283 | if (ps2_handle_ack(&atkbd->ps2dev, data)) | |
284 | goto out; | |
285 | ||
286 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) | |
287 | if (ps2_handle_response(&atkbd->ps2dev, data)) | |
288 | goto out; | |
289 | ||
290 | if (!atkbd->enabled) | |
291 | goto out; | |
292 | ||
3c42f0c3 | 293 | input_event(atkbd->dev, EV_MSC, MSC_RAW, code); |
1da177e4 LT |
294 | |
295 | if (atkbd->translated) { | |
296 | ||
297 | if (atkbd->emul || | |
298 | !(code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1 || | |
299 | code == ATKBD_RET_HANGUEL || code == ATKBD_RET_HANJA || | |
903b126b | 300 | (code == ATKBD_RET_ERR && !atkbd->err_xl) || |
1da177e4 LT |
301 | (code == ATKBD_RET_BAT && !atkbd->bat_xl))) { |
302 | atkbd->release = code >> 7; | |
303 | code &= 0x7f; | |
304 | } | |
305 | ||
903b126b VP |
306 | if (!atkbd->emul) { |
307 | if ((code & 0x7f) == (ATKBD_RET_BAT & 0x7f)) | |
1da177e4 | 308 | atkbd->bat_xl = !atkbd->release; |
903b126b VP |
309 | if ((code & 0x7f) == (ATKBD_RET_ERR & 0x7f)) |
310 | atkbd->err_xl = !atkbd->release; | |
311 | } | |
1da177e4 LT |
312 | } |
313 | ||
314 | switch (code) { | |
315 | case ATKBD_RET_BAT: | |
316 | atkbd->enabled = 0; | |
317 | serio_rescan(atkbd->ps2dev.serio); | |
318 | goto out; | |
319 | case ATKBD_RET_EMUL0: | |
320 | atkbd->emul = 1; | |
321 | goto out; | |
322 | case ATKBD_RET_EMUL1: | |
323 | atkbd->emul = 2; | |
324 | goto out; | |
325 | case ATKBD_RET_RELEASE: | |
326 | atkbd->release = 1; | |
327 | goto out; | |
328 | case ATKBD_RET_HANGUEL: | |
3c42f0c3 | 329 | atkbd_report_key(atkbd->dev, regs, KEY_HANGUEL, 3); |
1da177e4 LT |
330 | goto out; |
331 | case ATKBD_RET_HANJA: | |
3c42f0c3 | 332 | atkbd_report_key(atkbd->dev, regs, KEY_HANJA, 3); |
1da177e4 LT |
333 | goto out; |
334 | case ATKBD_RET_ERR: | |
335 | printk(KERN_DEBUG "atkbd.c: Keyboard on %s reports too many keys pressed.\n", serio->phys); | |
336 | goto out; | |
337 | } | |
338 | ||
339 | if (atkbd->set != 3) | |
340 | code = (code & 0x7f) | ((code & 0x80) << 1); | |
341 | if (atkbd->emul) { | |
342 | if (--atkbd->emul) | |
343 | goto out; | |
344 | code |= (atkbd->set != 3) ? 0x80 : 0x100; | |
345 | } | |
346 | ||
347 | if (atkbd->keycode[code] != ATKBD_KEY_NULL) | |
3c42f0c3 | 348 | input_event(atkbd->dev, EV_MSC, MSC_SCAN, code); |
1da177e4 LT |
349 | |
350 | switch (atkbd->keycode[code]) { | |
351 | case ATKBD_KEY_NULL: | |
352 | break; | |
353 | case ATKBD_KEY_UNKNOWN: | |
354 | if (data == ATKBD_RET_ACK || data == ATKBD_RET_NAK) { | |
355 | printk(KERN_WARNING "atkbd.c: Spurious %s on %s. Some program, " | |
356 | "like XFree86, might be trying access hardware directly.\n", | |
357 | data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); | |
358 | } else { | |
359 | printk(KERN_WARNING "atkbd.c: Unknown key %s " | |
360 | "(%s set %d, code %#x on %s).\n", | |
361 | atkbd->release ? "released" : "pressed", | |
362 | atkbd->translated ? "translated" : "raw", | |
363 | atkbd->set, code, serio->phys); | |
364 | printk(KERN_WARNING "atkbd.c: Use 'setkeycodes %s%02x <keycode>' " | |
365 | "to make it known.\n", | |
366 | code & 0x80 ? "e0" : "", code & 0x7f); | |
367 | } | |
3c42f0c3 | 368 | input_sync(atkbd->dev); |
1da177e4 LT |
369 | break; |
370 | case ATKBD_SCR_1: | |
371 | scroll = 1 - atkbd->release * 2; | |
372 | break; | |
373 | case ATKBD_SCR_2: | |
374 | scroll = 2 - atkbd->release * 4; | |
375 | break; | |
376 | case ATKBD_SCR_4: | |
377 | scroll = 4 - atkbd->release * 8; | |
378 | break; | |
379 | case ATKBD_SCR_8: | |
380 | scroll = 8 - atkbd->release * 16; | |
381 | break; | |
382 | case ATKBD_SCR_CLICK: | |
383 | click = !atkbd->release; | |
384 | break; | |
385 | case ATKBD_SCR_LEFT: | |
386 | hscroll = -1; | |
387 | break; | |
388 | case ATKBD_SCR_RIGHT: | |
389 | hscroll = 1; | |
390 | break; | |
391 | default: | |
392 | value = atkbd->release ? 0 : | |
3c42f0c3 | 393 | (1 + (!atkbd->softrepeat && test_bit(atkbd->keycode[code], atkbd->dev->key))); |
1da177e4 | 394 | |
d083e906 | 395 | switch (value) { /* Workaround Toshiba laptop multiple keypress */ |
1da177e4 LT |
396 | case 0: |
397 | atkbd->last = 0; | |
398 | break; | |
399 | case 1: | |
400 | atkbd->last = code; | |
3c42f0c3 | 401 | atkbd->time = jiffies + msecs_to_jiffies(atkbd->dev->rep[REP_DELAY]) / 2; |
1da177e4 LT |
402 | break; |
403 | case 2: | |
404 | if (!time_after(jiffies, atkbd->time) && atkbd->last == code) | |
405 | value = 1; | |
406 | break; | |
407 | } | |
408 | ||
3c42f0c3 | 409 | atkbd_report_key(atkbd->dev, regs, atkbd->keycode[code], value); |
1da177e4 LT |
410 | } |
411 | ||
412 | if (atkbd->scroll) { | |
3c42f0c3 | 413 | input_regs(atkbd->dev, regs); |
1da177e4 | 414 | if (click != -1) |
3c42f0c3 DT |
415 | input_report_key(atkbd->dev, BTN_MIDDLE, click); |
416 | input_report_rel(atkbd->dev, REL_WHEEL, scroll); | |
417 | input_report_rel(atkbd->dev, REL_HWHEEL, hscroll); | |
418 | input_sync(atkbd->dev); | |
1da177e4 LT |
419 | } |
420 | ||
421 | atkbd->release = 0; | |
422 | out: | |
423 | return IRQ_HANDLED; | |
424 | } | |
425 | ||
426 | /* | |
427 | * Event callback from the input module. Events that change the state of | |
428 | * the hardware are processed here. | |
429 | */ | |
430 | ||
431 | static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) | |
432 | { | |
433 | struct atkbd *atkbd = dev->private; | |
434 | const short period[32] = | |
435 | { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, | |
436 | 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; | |
437 | const short delay[4] = | |
438 | { 250, 500, 750, 1000 }; | |
439 | unsigned char param[2]; | |
440 | int i, j; | |
441 | ||
442 | if (!atkbd->write) | |
443 | return -1; | |
444 | ||
445 | switch (type) { | |
446 | ||
447 | case EV_LED: | |
448 | ||
449 | param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) | |
450 | | (test_bit(LED_NUML, dev->led) ? 2 : 0) | |
451 | | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); | |
452 | ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS); | |
453 | ||
454 | if (atkbd->extra) { | |
455 | param[0] = 0; | |
456 | param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) | |
457 | | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) | |
458 | | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) | |
459 | | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) | |
460 | | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); | |
461 | ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS); | |
462 | } | |
463 | ||
464 | return 0; | |
465 | ||
1da177e4 LT |
466 | case EV_REP: |
467 | ||
468 | if (atkbd->softrepeat) return 0; | |
469 | ||
470 | i = j = 0; | |
53b21689 AB |
471 | while (i < 31 && period[i] < dev->rep[REP_PERIOD]) |
472 | i++; | |
473 | while (j < 3 && delay[j] < dev->rep[REP_DELAY]) | |
474 | j++; | |
1da177e4 LT |
475 | dev->rep[REP_PERIOD] = period[i]; |
476 | dev->rep[REP_DELAY] = delay[j]; | |
477 | param[0] = i | (j << 5); | |
478 | ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP); | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
483 | return -1; | |
484 | } | |
485 | ||
486 | /* | |
487 | * atkbd_enable() signals that interrupt handler is allowed to | |
488 | * generate input events. | |
489 | */ | |
490 | ||
491 | static inline void atkbd_enable(struct atkbd *atkbd) | |
492 | { | |
493 | serio_pause_rx(atkbd->ps2dev.serio); | |
494 | atkbd->enabled = 1; | |
495 | serio_continue_rx(atkbd->ps2dev.serio); | |
496 | } | |
497 | ||
498 | /* | |
499 | * atkbd_disable() tells input handler that all incoming data except | |
500 | * for ACKs and command response should be dropped. | |
501 | */ | |
502 | ||
503 | static inline void atkbd_disable(struct atkbd *atkbd) | |
504 | { | |
505 | serio_pause_rx(atkbd->ps2dev.serio); | |
506 | atkbd->enabled = 0; | |
507 | serio_continue_rx(atkbd->ps2dev.serio); | |
508 | } | |
509 | ||
510 | /* | |
511 | * atkbd_probe() probes for an AT keyboard on a serio port. | |
512 | */ | |
513 | ||
514 | static int atkbd_probe(struct atkbd *atkbd) | |
515 | { | |
516 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
517 | unsigned char param[2]; | |
518 | ||
519 | /* | |
520 | * Some systems, where the bit-twiddling when testing the io-lines of the | |
521 | * controller may confuse the keyboard need a full reset of the keyboard. On | |
522 | * these systems the BIOS also usually doesn't do it for us. | |
523 | */ | |
524 | ||
525 | if (atkbd_reset) | |
526 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) | |
527 | printk(KERN_WARNING "atkbd.c: keyboard reset failed on %s\n", ps2dev->serio->phys); | |
528 | ||
529 | /* | |
530 | * Then we check the keyboard ID. We should get 0xab83 under normal conditions. | |
531 | * Some keyboards report different values, but the first byte is always 0xab or | |
532 | * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this | |
533 | * should make sure we don't try to set the LEDs on it. | |
534 | */ | |
535 | ||
536 | param[0] = param[1] = 0xa5; /* initialize with invalid values */ | |
537 | if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { | |
538 | ||
539 | /* | |
540 | * If the get ID command failed, we check if we can at least set the LEDs on | |
541 | * the keyboard. This should work on every keyboard out there. It also turns | |
542 | * the LEDs off, which we want anyway. | |
543 | */ | |
544 | param[0] = 0; | |
545 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) | |
546 | return -1; | |
547 | atkbd->id = 0xabba; | |
548 | return 0; | |
549 | } | |
550 | ||
551 | if (param[0] != 0xab && param[0] != 0xac && /* Regular and NCD Sun keyboards */ | |
552 | param[0] != 0x2b && param[0] != 0x5d && /* Trust keyboard, raw and translated */ | |
553 | param[0] != 0x60 && param[0] != 0x47) /* NMB SGI keyboard, raw and translated */ | |
554 | return -1; | |
555 | ||
556 | atkbd->id = (param[0] << 8) | param[1]; | |
557 | ||
558 | if (atkbd->id == 0xaca1 && atkbd->translated) { | |
559 | printk(KERN_ERR "atkbd.c: NCD terminal keyboards are only supported on non-translating\n"); | |
560 | printk(KERN_ERR "atkbd.c: controllers. Use i8042.direct=1 to disable translation.\n"); | |
561 | return -1; | |
562 | } | |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
567 | /* | |
568 | * atkbd_select_set checks if a keyboard has a working Set 3 support, and | |
569 | * sets it into that. Unfortunately there are keyboards that can be switched | |
570 | * to Set 3, but don't work well in that (BTC Multimedia ...) | |
571 | */ | |
572 | ||
573 | static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) | |
574 | { | |
575 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
576 | unsigned char param[2]; | |
577 | ||
578 | atkbd->extra = 0; | |
579 | /* | |
580 | * For known special keyboards we can go ahead and set the correct set. | |
581 | * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and | |
582 | * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. | |
583 | */ | |
584 | ||
585 | if (atkbd->translated) | |
586 | return 2; | |
587 | ||
588 | if (atkbd->id == 0xaca1) { | |
589 | param[0] = 3; | |
590 | ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); | |
591 | return 3; | |
592 | } | |
593 | ||
594 | if (allow_extra) { | |
595 | param[0] = 0x71; | |
596 | if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { | |
597 | atkbd->extra = 1; | |
598 | return 2; | |
599 | } | |
600 | } | |
601 | ||
602 | if (target_set != 3) | |
603 | return 2; | |
604 | ||
605 | if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { | |
606 | atkbd->id = param[0] << 8 | param[1]; | |
607 | return 2; | |
608 | } | |
609 | ||
610 | param[0] = 3; | |
611 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) | |
612 | return 2; | |
613 | ||
614 | param[0] = 0; | |
615 | if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) | |
616 | return 2; | |
617 | ||
618 | if (param[0] != 3) { | |
619 | param[0] = 2; | |
620 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) | |
621 | return 2; | |
622 | } | |
623 | ||
624 | ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); | |
625 | ||
626 | return 3; | |
627 | } | |
628 | ||
629 | static int atkbd_activate(struct atkbd *atkbd) | |
630 | { | |
631 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
632 | unsigned char param[1]; | |
633 | ||
634 | /* | |
635 | * Set the LEDs to a defined state. | |
636 | */ | |
637 | ||
638 | param[0] = 0; | |
639 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) | |
640 | return -1; | |
641 | ||
642 | /* | |
643 | * Set autorepeat to fastest possible. | |
644 | */ | |
645 | ||
646 | param[0] = 0; | |
647 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) | |
648 | return -1; | |
649 | ||
650 | /* | |
651 | * Enable the keyboard to receive keystrokes. | |
652 | */ | |
653 | ||
654 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { | |
655 | printk(KERN_ERR "atkbd.c: Failed to enable keyboard on %s\n", | |
656 | ps2dev->serio->phys); | |
657 | return -1; | |
658 | } | |
659 | ||
660 | return 0; | |
661 | } | |
662 | ||
663 | /* | |
664 | * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a | |
665 | * reboot. | |
666 | */ | |
667 | ||
668 | static void atkbd_cleanup(struct serio *serio) | |
669 | { | |
670 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
671 | ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT); | |
672 | } | |
673 | ||
674 | ||
675 | /* | |
676 | * atkbd_disconnect() closes and frees. | |
677 | */ | |
678 | ||
679 | static void atkbd_disconnect(struct serio *serio) | |
680 | { | |
681 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
682 | ||
683 | atkbd_disable(atkbd); | |
684 | ||
685 | /* make sure we don't have a command in flight */ | |
fbd568a3 | 686 | synchronize_sched(); /* Allow atkbd_interrupt()s to complete. */ |
1da177e4 LT |
687 | flush_scheduled_work(); |
688 | ||
689 | device_remove_file(&serio->dev, &atkbd_attr_extra); | |
690 | device_remove_file(&serio->dev, &atkbd_attr_scroll); | |
691 | device_remove_file(&serio->dev, &atkbd_attr_set); | |
692 | device_remove_file(&serio->dev, &atkbd_attr_softrepeat); | |
693 | device_remove_file(&serio->dev, &atkbd_attr_softraw); | |
694 | ||
3c42f0c3 | 695 | input_unregister_device(atkbd->dev); |
1da177e4 LT |
696 | serio_close(serio); |
697 | serio_set_drvdata(serio, NULL); | |
698 | kfree(atkbd); | |
699 | } | |
700 | ||
701 | ||
702 | /* | |
3c42f0c3 | 703 | * atkbd_set_keycode_table() initializes keyboard's keycode table |
1da177e4 LT |
704 | * according to the selected scancode set |
705 | */ | |
706 | ||
707 | static void atkbd_set_keycode_table(struct atkbd *atkbd) | |
708 | { | |
709 | int i, j; | |
710 | ||
711 | memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); | |
712 | ||
713 | if (atkbd->translated) { | |
714 | for (i = 0; i < 128; i++) { | |
715 | atkbd->keycode[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]]; | |
716 | atkbd->keycode[i | 0x80] = atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80]; | |
717 | if (atkbd->scroll) | |
718 | for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) | |
719 | if ((atkbd_unxlate_table[i] | 0x80) == atkbd_scroll_keys[j].set2) | |
720 | atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; | |
721 | } | |
722 | } else if (atkbd->set == 3) { | |
723 | memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); | |
724 | } else { | |
725 | memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); | |
726 | ||
727 | if (atkbd->scroll) | |
728 | for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) | |
729 | atkbd->keycode[atkbd_scroll_keys[i].set2] = atkbd_scroll_keys[i].keycode; | |
730 | } | |
731 | } | |
732 | ||
733 | /* | |
734 | * atkbd_set_device_attrs() sets up keyboard's input device structure | |
735 | */ | |
736 | ||
737 | static void atkbd_set_device_attrs(struct atkbd *atkbd) | |
738 | { | |
3c42f0c3 | 739 | struct input_dev *input_dev = atkbd->dev; |
1da177e4 LT |
740 | int i; |
741 | ||
3c42f0c3 DT |
742 | if (atkbd->extra) |
743 | sprintf(atkbd->name, "AT Set 2 Extra keyboard"); | |
744 | else | |
745 | sprintf(atkbd->name, "AT %s Set %d keyboard", | |
746 | atkbd->translated ? "Translated" : "Raw", atkbd->set); | |
1da177e4 | 747 | |
3c42f0c3 | 748 | sprintf(atkbd->phys, "%s/input0", atkbd->ps2dev.serio->phys); |
1da177e4 | 749 | |
3c42f0c3 DT |
750 | input_dev->name = atkbd->name; |
751 | input_dev->phys = atkbd->phys; | |
752 | input_dev->id.bustype = BUS_I8042; | |
753 | input_dev->id.vendor = 0x0001; | |
754 | input_dev->id.product = atkbd->translated ? 1 : atkbd->set; | |
755 | input_dev->id.version = atkbd->id; | |
756 | input_dev->event = atkbd_event; | |
757 | input_dev->private = atkbd; | |
758 | input_dev->cdev.dev = &atkbd->ps2dev.serio->dev; | |
1da177e4 | 759 | |
3c42f0c3 | 760 | input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_MSC); |
1da177e4 LT |
761 | |
762 | if (atkbd->write) { | |
3c42f0c3 DT |
763 | input_dev->evbit[0] |= BIT(EV_LED); |
764 | input_dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); | |
1da177e4 LT |
765 | } |
766 | ||
767 | if (atkbd->extra) | |
3c42f0c3 | 768 | input_dev->ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | |
1da177e4 LT |
769 | BIT(LED_SLEEP) | BIT(LED_MUTE) | BIT(LED_MISC); |
770 | ||
771 | if (!atkbd->softrepeat) { | |
3c42f0c3 DT |
772 | input_dev->rep[REP_DELAY] = 250; |
773 | input_dev->rep[REP_PERIOD] = 33; | |
1da177e4 LT |
774 | } |
775 | ||
3c42f0c3 | 776 | input_dev->mscbit[0] = atkbd->softraw ? BIT(MSC_SCAN) : BIT(MSC_RAW) | BIT(MSC_SCAN); |
1da177e4 LT |
777 | |
778 | if (atkbd->scroll) { | |
3c42f0c3 DT |
779 | input_dev->evbit[0] |= BIT(EV_REL); |
780 | input_dev->relbit[0] = BIT(REL_WHEEL) | BIT(REL_HWHEEL); | |
781 | set_bit(BTN_MIDDLE, input_dev->keybit); | |
1da177e4 LT |
782 | } |
783 | ||
3c42f0c3 DT |
784 | input_dev->keycode = atkbd->keycode; |
785 | input_dev->keycodesize = sizeof(unsigned char); | |
786 | input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode); | |
1da177e4 LT |
787 | |
788 | for (i = 0; i < 512; i++) | |
789 | if (atkbd->keycode[i] && atkbd->keycode[i] < ATKBD_SPECIAL) | |
3c42f0c3 | 790 | set_bit(atkbd->keycode[i], input_dev->keybit); |
1da177e4 LT |
791 | } |
792 | ||
793 | /* | |
794 | * atkbd_connect() is called when the serio module finds an interface | |
795 | * that isn't handled yet by an appropriate device driver. We check if | |
796 | * there is an AT keyboard out there and if yes, we register ourselves | |
797 | * to the input module. | |
798 | */ | |
799 | ||
800 | static int atkbd_connect(struct serio *serio, struct serio_driver *drv) | |
801 | { | |
802 | struct atkbd *atkbd; | |
3c42f0c3 DT |
803 | struct input_dev *dev; |
804 | int err = -ENOMEM; | |
1da177e4 | 805 | |
3c42f0c3 DT |
806 | atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); |
807 | dev = input_allocate_device(); | |
808 | if (!atkbd || !dev) | |
809 | goto fail; | |
1da177e4 | 810 | |
3c42f0c3 | 811 | atkbd->dev = dev; |
1da177e4 LT |
812 | ps2_init(&atkbd->ps2dev, serio); |
813 | ||
814 | switch (serio->id.type) { | |
815 | ||
816 | case SERIO_8042_XL: | |
817 | atkbd->translated = 1; | |
818 | case SERIO_8042: | |
819 | if (serio->write) | |
820 | atkbd->write = 1; | |
821 | break; | |
822 | } | |
823 | ||
824 | atkbd->softraw = atkbd_softraw; | |
825 | atkbd->softrepeat = atkbd_softrepeat; | |
826 | atkbd->scroll = atkbd_scroll; | |
827 | ||
828 | if (!atkbd->write) | |
829 | atkbd->softrepeat = 1; | |
830 | ||
831 | if (atkbd->softrepeat) | |
832 | atkbd->softraw = 1; | |
833 | ||
834 | serio_set_drvdata(serio, atkbd); | |
835 | ||
836 | err = serio_open(serio, drv); | |
3c42f0c3 DT |
837 | if (err) |
838 | goto fail; | |
1da177e4 LT |
839 | |
840 | if (atkbd->write) { | |
841 | ||
842 | if (atkbd_probe(atkbd)) { | |
843 | serio_close(serio); | |
3c42f0c3 DT |
844 | err = -ENODEV; |
845 | goto fail; | |
1da177e4 LT |
846 | } |
847 | ||
848 | atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); | |
849 | atkbd_activate(atkbd); | |
850 | ||
851 | } else { | |
852 | atkbd->set = 2; | |
853 | atkbd->id = 0xab00; | |
854 | } | |
855 | ||
1da177e4 LT |
856 | atkbd_set_keycode_table(atkbd); |
857 | atkbd_set_device_attrs(atkbd); | |
858 | ||
1da177e4 LT |
859 | device_create_file(&serio->dev, &atkbd_attr_extra); |
860 | device_create_file(&serio->dev, &atkbd_attr_scroll); | |
861 | device_create_file(&serio->dev, &atkbd_attr_set); | |
862 | device_create_file(&serio->dev, &atkbd_attr_softrepeat); | |
863 | device_create_file(&serio->dev, &atkbd_attr_softraw); | |
864 | ||
865 | atkbd_enable(atkbd); | |
866 | ||
3c42f0c3 | 867 | input_register_device(atkbd->dev); |
1da177e4 LT |
868 | |
869 | return 0; | |
3c42f0c3 DT |
870 | |
871 | fail: serio_set_drvdata(serio, NULL); | |
872 | input_free_device(dev); | |
873 | kfree(atkbd); | |
874 | return err; | |
1da177e4 LT |
875 | } |
876 | ||
877 | /* | |
878 | * atkbd_reconnect() tries to restore keyboard into a sane state and is | |
879 | * most likely called on resume. | |
880 | */ | |
881 | ||
882 | static int atkbd_reconnect(struct serio *serio) | |
883 | { | |
884 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
885 | struct serio_driver *drv = serio->drv; | |
886 | unsigned char param[1]; | |
887 | ||
888 | if (!atkbd || !drv) { | |
889 | printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n"); | |
890 | return -1; | |
891 | } | |
892 | ||
893 | atkbd_disable(atkbd); | |
894 | ||
895 | if (atkbd->write) { | |
3c42f0c3 DT |
896 | param[0] = (test_bit(LED_SCROLLL, atkbd->dev->led) ? 1 : 0) |
897 | | (test_bit(LED_NUML, atkbd->dev->led) ? 2 : 0) | |
898 | | (test_bit(LED_CAPSL, atkbd->dev->led) ? 4 : 0); | |
1da177e4 LT |
899 | |
900 | if (atkbd_probe(atkbd)) | |
901 | return -1; | |
902 | if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) | |
903 | return -1; | |
904 | ||
905 | atkbd_activate(atkbd); | |
906 | ||
907 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) | |
908 | return -1; | |
909 | } | |
910 | ||
911 | atkbd_enable(atkbd); | |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
916 | static struct serio_device_id atkbd_serio_ids[] = { | |
917 | { | |
918 | .type = SERIO_8042, | |
919 | .proto = SERIO_ANY, | |
920 | .id = SERIO_ANY, | |
921 | .extra = SERIO_ANY, | |
922 | }, | |
923 | { | |
924 | .type = SERIO_8042_XL, | |
925 | .proto = SERIO_ANY, | |
926 | .id = SERIO_ANY, | |
927 | .extra = SERIO_ANY, | |
928 | }, | |
929 | { | |
930 | .type = SERIO_RS232, | |
931 | .proto = SERIO_PS2SER, | |
932 | .id = SERIO_ANY, | |
933 | .extra = SERIO_ANY, | |
934 | }, | |
935 | { 0 } | |
936 | }; | |
937 | ||
938 | MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); | |
939 | ||
940 | static struct serio_driver atkbd_drv = { | |
941 | .driver = { | |
942 | .name = "atkbd", | |
943 | }, | |
944 | .description = DRIVER_DESC, | |
945 | .id_table = atkbd_serio_ids, | |
946 | .interrupt = atkbd_interrupt, | |
947 | .connect = atkbd_connect, | |
948 | .reconnect = atkbd_reconnect, | |
949 | .disconnect = atkbd_disconnect, | |
950 | .cleanup = atkbd_cleanup, | |
951 | }; | |
952 | ||
953 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, | |
954 | ssize_t (*handler)(struct atkbd *, char *)) | |
955 | { | |
956 | struct serio *serio = to_serio_port(dev); | |
957 | int retval; | |
958 | ||
959 | retval = serio_pin_driver(serio); | |
960 | if (retval) | |
961 | return retval; | |
962 | ||
963 | if (serio->drv != &atkbd_drv) { | |
964 | retval = -ENODEV; | |
965 | goto out; | |
966 | } | |
967 | ||
968 | retval = handler((struct atkbd *)serio_get_drvdata(serio), buf); | |
969 | ||
970 | out: | |
971 | serio_unpin_driver(serio); | |
972 | return retval; | |
973 | } | |
974 | ||
975 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, | |
976 | ssize_t (*handler)(struct atkbd *, const char *, size_t)) | |
977 | { | |
978 | struct serio *serio = to_serio_port(dev); | |
979 | struct atkbd *atkbd; | |
980 | int retval; | |
981 | ||
982 | retval = serio_pin_driver(serio); | |
983 | if (retval) | |
984 | return retval; | |
985 | ||
986 | if (serio->drv != &atkbd_drv) { | |
987 | retval = -ENODEV; | |
988 | goto out; | |
989 | } | |
990 | ||
991 | atkbd = serio_get_drvdata(serio); | |
992 | atkbd_disable(atkbd); | |
993 | retval = handler(atkbd, buf, count); | |
994 | atkbd_enable(atkbd); | |
995 | ||
996 | out: | |
997 | serio_unpin_driver(serio); | |
998 | return retval; | |
999 | } | |
1000 | ||
1001 | static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) | |
1002 | { | |
1003 | return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); | |
1004 | } | |
1005 | ||
1006 | static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) | |
1007 | { | |
3c42f0c3 | 1008 | struct input_dev *new_dev; |
1da177e4 LT |
1009 | unsigned long value; |
1010 | char *rest; | |
1011 | ||
1012 | if (!atkbd->write) | |
1013 | return -EIO; | |
1014 | ||
1015 | value = simple_strtoul(buf, &rest, 10); | |
1016 | if (*rest || value > 1) | |
1017 | return -EINVAL; | |
1018 | ||
1019 | if (atkbd->extra != value) { | |
3c42f0c3 DT |
1020 | /* |
1021 | * Since device's properties will change we need to | |
1022 | * unregister old device. But allocate new one first | |
1023 | * to make sure we have it. | |
1024 | */ | |
1025 | if (!(new_dev = input_allocate_device())) | |
1026 | return -ENOMEM; | |
1027 | input_unregister_device(atkbd->dev); | |
1028 | atkbd->dev = new_dev; | |
1da177e4 LT |
1029 | atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); |
1030 | atkbd_activate(atkbd); | |
1031 | atkbd_set_device_attrs(atkbd); | |
3c42f0c3 | 1032 | input_register_device(atkbd->dev); |
1da177e4 LT |
1033 | } |
1034 | return count; | |
1035 | } | |
1036 | ||
1037 | static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) | |
1038 | { | |
1039 | return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); | |
1040 | } | |
1041 | ||
1042 | static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) | |
1043 | { | |
3c42f0c3 | 1044 | struct input_dev *new_dev; |
1da177e4 LT |
1045 | unsigned long value; |
1046 | char *rest; | |
1047 | ||
1048 | value = simple_strtoul(buf, &rest, 10); | |
1049 | if (*rest || value > 1) | |
1050 | return -EINVAL; | |
1051 | ||
1052 | if (atkbd->scroll != value) { | |
3c42f0c3 DT |
1053 | if (!(new_dev = input_allocate_device())) |
1054 | return -ENOMEM; | |
1055 | input_unregister_device(atkbd->dev); | |
1056 | atkbd->dev = new_dev; | |
1da177e4 LT |
1057 | atkbd->scroll = value; |
1058 | atkbd_set_keycode_table(atkbd); | |
1059 | atkbd_set_device_attrs(atkbd); | |
3c42f0c3 | 1060 | input_register_device(atkbd->dev); |
1da177e4 LT |
1061 | } |
1062 | return count; | |
1063 | } | |
1064 | ||
1065 | static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) | |
1066 | { | |
1067 | return sprintf(buf, "%d\n", atkbd->set); | |
1068 | } | |
1069 | ||
1070 | static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) | |
1071 | { | |
3c42f0c3 | 1072 | struct input_dev *new_dev; |
1da177e4 LT |
1073 | unsigned long value; |
1074 | char *rest; | |
1075 | ||
1076 | if (!atkbd->write) | |
1077 | return -EIO; | |
1078 | ||
1079 | value = simple_strtoul(buf, &rest, 10); | |
1080 | if (*rest || (value != 2 && value != 3)) | |
1081 | return -EINVAL; | |
1082 | ||
1083 | if (atkbd->set != value) { | |
3c42f0c3 DT |
1084 | if (!(new_dev = input_allocate_device())) |
1085 | return -ENOMEM; | |
1086 | input_unregister_device(atkbd->dev); | |
1087 | atkbd->dev = new_dev; | |
1da177e4 LT |
1088 | atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); |
1089 | atkbd_activate(atkbd); | |
1090 | atkbd_set_keycode_table(atkbd); | |
1091 | atkbd_set_device_attrs(atkbd); | |
3c42f0c3 | 1092 | input_register_device(atkbd->dev); |
1da177e4 LT |
1093 | } |
1094 | return count; | |
1095 | } | |
1096 | ||
1097 | static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) | |
1098 | { | |
1099 | return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); | |
1100 | } | |
1101 | ||
1102 | static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) | |
1103 | { | |
3c42f0c3 | 1104 | struct input_dev *new_dev; |
1da177e4 LT |
1105 | unsigned long value; |
1106 | char *rest; | |
1107 | ||
1108 | if (!atkbd->write) | |
1109 | return -EIO; | |
1110 | ||
1111 | value = simple_strtoul(buf, &rest, 10); | |
1112 | if (*rest || value > 1) | |
1113 | return -EINVAL; | |
1114 | ||
1115 | if (atkbd->softrepeat != value) { | |
3c42f0c3 DT |
1116 | if (!(new_dev = input_allocate_device())) |
1117 | return -ENOMEM; | |
1118 | input_unregister_device(atkbd->dev); | |
1119 | atkbd->dev = new_dev; | |
1da177e4 LT |
1120 | atkbd->softrepeat = value; |
1121 | if (atkbd->softrepeat) | |
1122 | atkbd->softraw = 1; | |
1123 | atkbd_set_device_attrs(atkbd); | |
3c42f0c3 | 1124 | input_register_device(atkbd->dev); |
1da177e4 | 1125 | } |
1da177e4 LT |
1126 | return count; |
1127 | } | |
1128 | ||
1129 | ||
1130 | static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) | |
1131 | { | |
1132 | return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); | |
1133 | } | |
1134 | ||
1135 | static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) | |
1136 | { | |
3c42f0c3 | 1137 | struct input_dev *new_dev; |
1da177e4 LT |
1138 | unsigned long value; |
1139 | char *rest; | |
1140 | ||
1141 | value = simple_strtoul(buf, &rest, 10); | |
1142 | if (*rest || value > 1) | |
1143 | return -EINVAL; | |
1144 | ||
1145 | if (atkbd->softraw != value) { | |
3c42f0c3 DT |
1146 | if (!(new_dev = input_allocate_device())) |
1147 | return -ENOMEM; | |
1148 | input_unregister_device(atkbd->dev); | |
1149 | atkbd->dev = new_dev; | |
1da177e4 LT |
1150 | atkbd->softraw = value; |
1151 | atkbd_set_device_attrs(atkbd); | |
3c42f0c3 | 1152 | input_register_device(atkbd->dev); |
1da177e4 LT |
1153 | } |
1154 | return count; | |
1155 | } | |
1156 | ||
1157 | ||
1158 | static int __init atkbd_init(void) | |
1159 | { | |
1160 | serio_register_driver(&atkbd_drv); | |
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | static void __exit atkbd_exit(void) | |
1165 | { | |
1166 | serio_unregister_driver(&atkbd_drv); | |
1167 | } | |
1168 | ||
1169 | module_init(atkbd_init); | |
1170 | module_exit(atkbd_exit); |