diff options
Diffstat (limited to 'drivers/media/video/bttv-input.c')
-rw-r--r-- | drivers/media/video/bttv-input.c | 688 |
1 files changed, 688 insertions, 0 deletions
diff --git a/drivers/media/video/bttv-input.c b/drivers/media/video/bttv-input.c new file mode 100644 index 000000000000..5027e10537cf --- /dev/null +++ b/drivers/media/video/bttv-input.c | |||
@@ -0,0 +1,688 @@ | |||
1 | /* | ||
2 | * | ||
3 | * Copyright (c) 2003 Gerd Knorr | ||
4 | * Copyright (c) 2003 Pavel Machek | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | |||
21 | #include <linux/module.h> | ||
22 | #include <linux/moduleparam.h> | ||
23 | #include <linux/init.h> | ||
24 | #include <linux/delay.h> | ||
25 | #include <linux/interrupt.h> | ||
26 | #include <linux/input.h> | ||
27 | |||
28 | #include "bttv.h" | ||
29 | #include "bttvp.h" | ||
30 | |||
31 | /* ---------------------------------------------------------------------- */ | ||
32 | |||
33 | static IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE] = { | ||
34 | [ 34 ] = KEY_KP0, | ||
35 | [ 40 ] = KEY_KP1, | ||
36 | [ 24 ] = KEY_KP2, | ||
37 | [ 56 ] = KEY_KP3, | ||
38 | [ 36 ] = KEY_KP4, | ||
39 | [ 20 ] = KEY_KP5, | ||
40 | [ 52 ] = KEY_KP6, | ||
41 | [ 44 ] = KEY_KP7, | ||
42 | [ 28 ] = KEY_KP8, | ||
43 | [ 60 ] = KEY_KP9, | ||
44 | |||
45 | [ 48 ] = KEY_EJECTCD, // Unmarked on my controller | ||
46 | [ 0 ] = KEY_POWER, | ||
47 | [ 18 ] = BTN_LEFT, // DISPLAY/L | ||
48 | [ 50 ] = BTN_RIGHT, // LOOP/R | ||
49 | [ 10 ] = KEY_MUTE, | ||
50 | [ 38 ] = KEY_RECORD, | ||
51 | [ 22 ] = KEY_PAUSE, | ||
52 | [ 54 ] = KEY_STOP, | ||
53 | [ 30 ] = KEY_VOLUMEDOWN, | ||
54 | [ 62 ] = KEY_VOLUMEUP, | ||
55 | |||
56 | [ 32 ] = KEY_TUNER, // TV/FM | ||
57 | [ 16 ] = KEY_CD, | ||
58 | [ 8 ] = KEY_VIDEO, | ||
59 | [ 4 ] = KEY_AUDIO, | ||
60 | [ 12 ] = KEY_ZOOM, // full screen | ||
61 | [ 2 ] = KEY_INFO, // preview | ||
62 | [ 42 ] = KEY_SEARCH, // autoscan | ||
63 | [ 26 ] = KEY_STOP, // freeze | ||
64 | [ 58 ] = KEY_RECORD, // capture | ||
65 | [ 6 ] = KEY_PLAY, // unmarked | ||
66 | [ 46 ] = KEY_RED, // unmarked | ||
67 | [ 14 ] = KEY_GREEN, // unmarked | ||
68 | |||
69 | [ 33 ] = KEY_YELLOW, // unmarked | ||
70 | [ 17 ] = KEY_CHANNELDOWN, | ||
71 | [ 49 ] = KEY_CHANNELUP, | ||
72 | [ 1 ] = KEY_BLUE, // unmarked | ||
73 | }; | ||
74 | |||
75 | /* Matt Jesson <dvb@jesson.eclipse.co.uk */ | ||
76 | static IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE] = { | ||
77 | [ 0x28 ] = KEY_KP0, //'0' / 'enter' | ||
78 | [ 0x22 ] = KEY_KP1, //'1' | ||
79 | [ 0x12 ] = KEY_KP2, //'2' / 'up arrow' | ||
80 | [ 0x32 ] = KEY_KP3, //'3' | ||
81 | [ 0x24 ] = KEY_KP4, //'4' / 'left arrow' | ||
82 | [ 0x14 ] = KEY_KP5, //'5' | ||
83 | [ 0x34 ] = KEY_KP6, //'6' / 'right arrow' | ||
84 | [ 0x26 ] = KEY_KP7, //'7' | ||
85 | [ 0x16 ] = KEY_KP8, //'8' / 'down arrow' | ||
86 | [ 0x36 ] = KEY_KP9, //'9' | ||
87 | |||
88 | [ 0x20 ] = KEY_LIST, // 'source' | ||
89 | [ 0x10 ] = KEY_TEXT, // 'teletext' | ||
90 | [ 0x00 ] = KEY_POWER, // 'power' | ||
91 | [ 0x04 ] = KEY_AUDIO, // 'audio' | ||
92 | [ 0x06 ] = KEY_ZOOM, // 'full screen' | ||
93 | [ 0x18 ] = KEY_VIDEO, // 'display' | ||
94 | [ 0x38 ] = KEY_SEARCH, // 'loop' | ||
95 | [ 0x08 ] = KEY_INFO, // 'preview' | ||
96 | [ 0x2a ] = KEY_REWIND, // 'backward <<' | ||
97 | [ 0x1a ] = KEY_FASTFORWARD, // 'forward >>' | ||
98 | [ 0x3a ] = KEY_RECORD, // 'capture' | ||
99 | [ 0x0a ] = KEY_MUTE, // 'mute' | ||
100 | [ 0x2c ] = KEY_RECORD, // 'record' | ||
101 | [ 0x1c ] = KEY_PAUSE, // 'pause' | ||
102 | [ 0x3c ] = KEY_STOP, // 'stop' | ||
103 | [ 0x0c ] = KEY_PLAY, // 'play' | ||
104 | [ 0x2e ] = KEY_RED, // 'red' | ||
105 | [ 0x01 ] = KEY_BLUE, // 'blue' / 'cancel' | ||
106 | [ 0x0e ] = KEY_YELLOW, // 'yellow' / 'ok' | ||
107 | [ 0x21 ] = KEY_GREEN, // 'green' | ||
108 | [ 0x11 ] = KEY_CHANNELDOWN, // 'channel -' | ||
109 | [ 0x31 ] = KEY_CHANNELUP, // 'channel +' | ||
110 | [ 0x1e ] = KEY_VOLUMEDOWN, // 'volume -' | ||
111 | [ 0x3e ] = KEY_VOLUMEUP, // 'volume +' | ||
112 | }; | ||
113 | |||
114 | /* Attila Kondoros <attila.kondoros@chello.hu> */ | ||
115 | static IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE] = { | ||
116 | |||
117 | [ 1 ] = KEY_KP1, | ||
118 | [ 2 ] = KEY_KP2, | ||
119 | [ 3 ] = KEY_KP3, | ||
120 | [ 4 ] = KEY_KP4, | ||
121 | [ 5 ] = KEY_KP5, | ||
122 | [ 6 ] = KEY_KP6, | ||
123 | [ 7 ] = KEY_KP7, | ||
124 | [ 8 ] = KEY_KP8, | ||
125 | [ 9 ] = KEY_KP9, | ||
126 | [ 0 ] = KEY_KP0, | ||
127 | [ 23 ] = KEY_LAST, // +100 | ||
128 | [ 10 ] = KEY_LIST, // recall | ||
129 | |||
130 | |||
131 | [ 28 ] = KEY_TUNER, // TV/FM | ||
132 | [ 21 ] = KEY_SEARCH, // scan | ||
133 | [ 18 ] = KEY_POWER, // power | ||
134 | [ 31 ] = KEY_VOLUMEDOWN, // vol up | ||
135 | [ 27 ] = KEY_VOLUMEUP, // vol down | ||
136 | [ 30 ] = KEY_CHANNELDOWN, // chn up | ||
137 | [ 26 ] = KEY_CHANNELUP, // chn down | ||
138 | |||
139 | [ 17 ] = KEY_VIDEO, // video | ||
140 | [ 15 ] = KEY_ZOOM, // full screen | ||
141 | [ 19 ] = KEY_MUTE, // mute/unmute | ||
142 | [ 16 ] = KEY_TEXT, // min | ||
143 | |||
144 | [ 13 ] = KEY_STOP, // freeze | ||
145 | [ 14 ] = KEY_RECORD, // record | ||
146 | [ 29 ] = KEY_PLAYPAUSE, // stop | ||
147 | [ 25 ] = KEY_PLAY, // play | ||
148 | |||
149 | [ 22 ] = KEY_GOTO, // osd | ||
150 | [ 20 ] = KEY_REFRESH, // default | ||
151 | [ 12 ] = KEY_KPPLUS, // fine tune >>>> | ||
152 | [ 24 ] = KEY_KPMINUS // fine tune <<<< | ||
153 | }; | ||
154 | |||
155 | /* ---------------------------------------------------------------------- */ | ||
156 | |||
157 | static IR_KEYTAB_TYPE ir_codes_conceptronic[IR_KEYTAB_SIZE] = { | ||
158 | |||
159 | [ 30 ] = KEY_POWER, // power | ||
160 | [ 7 ] = KEY_MEDIA, // source | ||
161 | [ 28 ] = KEY_SEARCH, // scan | ||
162 | |||
163 | /* FIXME: duplicate keycodes? | ||
164 | * | ||
165 | * These four keys seem to share the same GPIO as CH+, CH-, <<< and >>> | ||
166 | * The GPIO values are | ||
167 | * 6397fb for both "Scan <" and "CH -", | ||
168 | * 639ffb for "Scan >" and "CH+", | ||
169 | * 6384fb for "Tune <" and "<<<", | ||
170 | * 638cfb for "Tune >" and ">>>", regardless of the mask. | ||
171 | * | ||
172 | * [ 23 ] = KEY_BACK, // fm scan << | ||
173 | * [ 31 ] = KEY_FORWARD, // fm scan >> | ||
174 | * | ||
175 | * [ 4 ] = KEY_LEFT, // fm tuning < | ||
176 | * [ 12 ] = KEY_RIGHT, // fm tuning > | ||
177 | * | ||
178 | * For now, these four keys are disabled. Pressing them will generate | ||
179 | * the CH+/CH-/<<</>>> events | ||
180 | */ | ||
181 | |||
182 | [ 3 ] = KEY_TUNER, // TV/FM | ||
183 | |||
184 | [ 0 ] = KEY_RECORD, | ||
185 | [ 8 ] = KEY_STOP, | ||
186 | [ 17 ] = KEY_PLAY, | ||
187 | |||
188 | [ 26 ] = KEY_PLAYPAUSE, // freeze | ||
189 | [ 25 ] = KEY_ZOOM, // zoom | ||
190 | [ 15 ] = KEY_TEXT, // min | ||
191 | |||
192 | [ 1 ] = KEY_KP1, | ||
193 | [ 11 ] = KEY_KP2, | ||
194 | [ 27 ] = KEY_KP3, | ||
195 | [ 5 ] = KEY_KP4, | ||
196 | [ 9 ] = KEY_KP5, | ||
197 | [ 21 ] = KEY_KP6, | ||
198 | [ 6 ] = KEY_KP7, | ||
199 | [ 10 ] = KEY_KP8, | ||
200 | [ 18 ] = KEY_KP9, | ||
201 | [ 2 ] = KEY_KP0, | ||
202 | [ 16 ] = KEY_LAST, // +100 | ||
203 | [ 19 ] = KEY_LIST, // recall | ||
204 | |||
205 | [ 31 ] = KEY_CHANNELUP, // chn down | ||
206 | [ 23 ] = KEY_CHANNELDOWN, // chn up | ||
207 | [ 22 ] = KEY_VOLUMEUP, // vol down | ||
208 | [ 20 ] = KEY_VOLUMEDOWN, // vol up | ||
209 | |||
210 | [ 4 ] = KEY_KPMINUS, // <<< | ||
211 | [ 14 ] = KEY_SETUP, // function | ||
212 | [ 12 ] = KEY_KPPLUS, // >>> | ||
213 | |||
214 | [ 13 ] = KEY_GOTO, // mts | ||
215 | [ 29 ] = KEY_REFRESH, // reset | ||
216 | [ 24 ] = KEY_MUTE // mute/unmute | ||
217 | }; | ||
218 | |||
219 | static IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE] = { | ||
220 | [0x00] = KEY_KP0, | ||
221 | [0x01] = KEY_KP1, | ||
222 | [0x02] = KEY_KP2, | ||
223 | [0x03] = KEY_KP3, | ||
224 | [0x04] = KEY_KP4, | ||
225 | [0x05] = KEY_KP5, | ||
226 | [0x06] = KEY_KP6, | ||
227 | [0x07] = KEY_KP7, | ||
228 | [0x08] = KEY_KP8, | ||
229 | [0x09] = KEY_KP9, | ||
230 | [0x0a] = KEY_TV, | ||
231 | [0x0b] = KEY_AUX, | ||
232 | [0x0c] = KEY_DVD, | ||
233 | [0x0d] = KEY_POWER, | ||
234 | [0x0e] = KEY_MHP, /* labelled 'Picture' */ | ||
235 | [0x0f] = KEY_AUDIO, | ||
236 | [0x10] = KEY_INFO, | ||
237 | [0x11] = KEY_F13, /* 16:9 */ | ||
238 | [0x12] = KEY_F14, /* 14:9 */ | ||
239 | [0x13] = KEY_EPG, | ||
240 | [0x14] = KEY_EXIT, | ||
241 | [0x15] = KEY_MENU, | ||
242 | [0x16] = KEY_UP, | ||
243 | [0x17] = KEY_DOWN, | ||
244 | [0x18] = KEY_LEFT, | ||
245 | [0x19] = KEY_RIGHT, | ||
246 | [0x1a] = KEY_ENTER, | ||
247 | [0x1b] = KEY_CHANNELUP, | ||
248 | [0x1c] = KEY_CHANNELDOWN, | ||
249 | [0x1d] = KEY_VOLUMEUP, | ||
250 | [0x1e] = KEY_VOLUMEDOWN, | ||
251 | [0x1f] = KEY_RED, | ||
252 | [0x20] = KEY_GREEN, | ||
253 | [0x21] = KEY_YELLOW, | ||
254 | [0x22] = KEY_BLUE, | ||
255 | [0x23] = KEY_SUBTITLE, | ||
256 | [0x24] = KEY_F15, /* AD */ | ||
257 | [0x25] = KEY_TEXT, | ||
258 | [0x26] = KEY_MUTE, | ||
259 | [0x27] = KEY_REWIND, | ||
260 | [0x28] = KEY_STOP, | ||
261 | [0x29] = KEY_PLAY, | ||
262 | [0x2a] = KEY_FASTFORWARD, | ||
263 | [0x2b] = KEY_F16, /* chapter */ | ||
264 | [0x2c] = KEY_PAUSE, | ||
265 | [0x2d] = KEY_PLAY, | ||
266 | [0x2e] = KEY_RECORD, | ||
267 | [0x2f] = KEY_F17, /* picture in picture */ | ||
268 | [0x30] = KEY_KPPLUS, /* zoom in */ | ||
269 | [0x31] = KEY_KPMINUS, /* zoom out */ | ||
270 | [0x32] = KEY_F18, /* capture */ | ||
271 | [0x33] = KEY_F19, /* web */ | ||
272 | [0x34] = KEY_EMAIL, | ||
273 | [0x35] = KEY_PHONE, | ||
274 | [0x36] = KEY_PC | ||
275 | }; | ||
276 | |||
277 | static int debug; | ||
278 | module_param(debug, int, 0644); /* debug level (0,1,2) */ | ||
279 | static int repeat_delay = 500; | ||
280 | module_param(repeat_delay, int, 0644); | ||
281 | static int repeat_period = 33; | ||
282 | module_param(repeat_period, int, 0644); | ||
283 | |||
284 | #define DEVNAME "bttv-input" | ||
285 | |||
286 | /* ---------------------------------------------------------------------- */ | ||
287 | |||
288 | static void ir_handle_key(struct bttv *btv) | ||
289 | { | ||
290 | struct bttv_ir *ir = btv->remote; | ||
291 | u32 gpio,data; | ||
292 | |||
293 | /* read gpio value */ | ||
294 | gpio = bttv_gpio_read(&btv->c); | ||
295 | if (ir->polling) { | ||
296 | if (ir->last_gpio == gpio) | ||
297 | return; | ||
298 | ir->last_gpio = gpio; | ||
299 | } | ||
300 | |||
301 | /* extract data */ | ||
302 | data = ir_extract_bits(gpio, ir->mask_keycode); | ||
303 | dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n", | ||
304 | gpio, data, | ||
305 | ir->polling ? "poll" : "irq", | ||
306 | (gpio & ir->mask_keydown) ? " down" : "", | ||
307 | (gpio & ir->mask_keyup) ? " up" : ""); | ||
308 | |||
309 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | ||
310 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | ||
311 | ir_input_keydown(ir->dev,&ir->ir,data,data); | ||
312 | } else { | ||
313 | ir_input_nokey(ir->dev,&ir->ir); | ||
314 | } | ||
315 | |||
316 | } | ||
317 | |||
318 | void bttv_input_irq(struct bttv *btv) | ||
319 | { | ||
320 | struct bttv_ir *ir = btv->remote; | ||
321 | |||
322 | if (!ir->polling) | ||
323 | ir_handle_key(btv); | ||
324 | } | ||
325 | |||
326 | static void bttv_input_timer(unsigned long data) | ||
327 | { | ||
328 | struct bttv *btv = (struct bttv*)data; | ||
329 | struct bttv_ir *ir = btv->remote; | ||
330 | unsigned long timeout; | ||
331 | |||
332 | ir_handle_key(btv); | ||
333 | timeout = jiffies + (ir->polling * HZ / 1000); | ||
334 | mod_timer(&ir->timer, timeout); | ||
335 | } | ||
336 | |||
337 | /* ---------------------------------------------------------------*/ | ||
338 | |||
339 | static int rc5_remote_gap = 885; | ||
340 | module_param(rc5_remote_gap, int, 0644); | ||
341 | static int rc5_key_timeout = 200; | ||
342 | module_param(rc5_key_timeout, int, 0644); | ||
343 | |||
344 | #define RC5_START(x) (((x)>>12)&3) | ||
345 | #define RC5_TOGGLE(x) (((x)>>11)&1) | ||
346 | #define RC5_ADDR(x) (((x)>>6)&31) | ||
347 | #define RC5_INSTR(x) ((x)&63) | ||
348 | |||
349 | /* decode raw bit pattern to RC5 code */ | ||
350 | static u32 rc5_decode(unsigned int code) | ||
351 | { | ||
352 | unsigned int org_code = code; | ||
353 | unsigned int pair; | ||
354 | unsigned int rc5 = 0; | ||
355 | int i; | ||
356 | |||
357 | code = (code << 1) | 1; | ||
358 | for (i = 0; i < 14; ++i) { | ||
359 | pair = code & 0x3; | ||
360 | code >>= 2; | ||
361 | |||
362 | rc5 <<= 1; | ||
363 | switch (pair) { | ||
364 | case 0: | ||
365 | case 2: | ||
366 | break; | ||
367 | case 1: | ||
368 | rc5 |= 1; | ||
369 | break; | ||
370 | case 3: | ||
371 | dprintk(KERN_WARNING "bad code: %x\n", org_code); | ||
372 | return 0; | ||
373 | } | ||
374 | } | ||
375 | dprintk(KERN_WARNING "code=%x, rc5=%x, start=%x, toggle=%x, address=%x, " | ||
376 | "instr=%x\n", rc5, org_code, RC5_START(rc5), | ||
377 | RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5)); | ||
378 | return rc5; | ||
379 | } | ||
380 | |||
381 | static int bttv_rc5_irq(struct bttv *btv) | ||
382 | { | ||
383 | struct bttv_ir *ir = btv->remote; | ||
384 | struct timeval tv; | ||
385 | u32 gpio; | ||
386 | u32 gap; | ||
387 | unsigned long current_jiffies, timeout; | ||
388 | |||
389 | /* read gpio port */ | ||
390 | gpio = bttv_gpio_read(&btv->c); | ||
391 | |||
392 | /* remote IRQ? */ | ||
393 | if (!(gpio & 0x20)) | ||
394 | return 0; | ||
395 | |||
396 | /* get time of bit */ | ||
397 | current_jiffies = jiffies; | ||
398 | do_gettimeofday(&tv); | ||
399 | |||
400 | /* avoid overflow with gap >1s */ | ||
401 | if (tv.tv_sec - ir->base_time.tv_sec > 1) { | ||
402 | gap = 200000; | ||
403 | } else { | ||
404 | gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + | ||
405 | tv.tv_usec - ir->base_time.tv_usec; | ||
406 | } | ||
407 | |||
408 | /* active code => add bit */ | ||
409 | if (ir->active) { | ||
410 | /* only if in the code (otherwise spurious IRQ or timer | ||
411 | late) */ | ||
412 | if (ir->last_bit < 28) { | ||
413 | ir->last_bit = (gap - rc5_remote_gap / 2) / | ||
414 | rc5_remote_gap; | ||
415 | ir->code |= 1 << ir->last_bit; | ||
416 | } | ||
417 | /* starting new code */ | ||
418 | } else { | ||
419 | ir->active = 1; | ||
420 | ir->code = 0; | ||
421 | ir->base_time = tv; | ||
422 | ir->last_bit = 0; | ||
423 | |||
424 | timeout = current_jiffies + (500 + 30 * HZ) / 1000; | ||
425 | mod_timer(&ir->timer_end, timeout); | ||
426 | } | ||
427 | |||
428 | /* toggle GPIO pin 4 to reset the irq */ | ||
429 | bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); | ||
430 | bttv_gpio_write(&btv->c, gpio | (1 << 4)); | ||
431 | return 1; | ||
432 | } | ||
433 | |||
434 | |||
435 | static void bttv_rc5_timer_end(unsigned long data) | ||
436 | { | ||
437 | struct bttv_ir *ir = (struct bttv_ir *)data; | ||
438 | struct timeval tv; | ||
439 | unsigned long current_jiffies, timeout; | ||
440 | u32 gap; | ||
441 | |||
442 | /* get time */ | ||
443 | current_jiffies = jiffies; | ||
444 | do_gettimeofday(&tv); | ||
445 | |||
446 | /* avoid overflow with gap >1s */ | ||
447 | if (tv.tv_sec - ir->base_time.tv_sec > 1) { | ||
448 | gap = 200000; | ||
449 | } else { | ||
450 | gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + | ||
451 | tv.tv_usec - ir->base_time.tv_usec; | ||
452 | } | ||
453 | |||
454 | /* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */ | ||
455 | if (gap < 28000) { | ||
456 | dprintk(KERN_WARNING "spurious timer_end\n"); | ||
457 | return; | ||
458 | } | ||
459 | |||
460 | ir->active = 0; | ||
461 | if (ir->last_bit < 20) { | ||
462 | /* ignore spurious codes (caused by light/other remotes) */ | ||
463 | dprintk(KERN_WARNING "short code: %x\n", ir->code); | ||
464 | } else { | ||
465 | u32 rc5 = rc5_decode(ir->code); | ||
466 | |||
467 | /* two start bits? */ | ||
468 | if (RC5_START(rc5) != 3) { | ||
469 | dprintk(KERN_WARNING "rc5 start bits invalid: %u\n", RC5_START(rc5)); | ||
470 | |||
471 | /* right address? */ | ||
472 | } else if (RC5_ADDR(rc5) == 0x0) { | ||
473 | u32 toggle = RC5_TOGGLE(rc5); | ||
474 | u32 instr = RC5_INSTR(rc5); | ||
475 | |||
476 | /* Good code, decide if repeat/repress */ | ||
477 | if (toggle != RC5_TOGGLE(ir->last_rc5) || | ||
478 | instr != RC5_INSTR(ir->last_rc5)) { | ||
479 | dprintk(KERN_WARNING "instruction %x, toggle %x\n", instr, | ||
480 | toggle); | ||
481 | ir_input_nokey(ir->dev, &ir->ir); | ||
482 | ir_input_keydown(ir->dev, &ir->ir, instr, | ||
483 | instr); | ||
484 | } | ||
485 | |||
486 | /* Set/reset key-up timer */ | ||
487 | timeout = current_jiffies + (500 + rc5_key_timeout | ||
488 | * HZ) / 1000; | ||
489 | mod_timer(&ir->timer_keyup, timeout); | ||
490 | |||
491 | /* Save code for repeat test */ | ||
492 | ir->last_rc5 = rc5; | ||
493 | } | ||
494 | } | ||
495 | } | ||
496 | |||
497 | static void bttv_rc5_timer_keyup(unsigned long data) | ||
498 | { | ||
499 | struct bttv_ir *ir = (struct bttv_ir *)data; | ||
500 | |||
501 | dprintk(KERN_DEBUG "key released\n"); | ||
502 | ir_input_nokey(ir->dev, &ir->ir); | ||
503 | } | ||
504 | |||
505 | /* ---------------------------------------------------------------------- */ | ||
506 | |||
507 | int bttv_input_init(struct bttv *btv) | ||
508 | { | ||
509 | struct bttv_ir *ir; | ||
510 | IR_KEYTAB_TYPE *ir_codes = NULL; | ||
511 | struct input_dev *input_dev; | ||
512 | int ir_type = IR_TYPE_OTHER; | ||
513 | |||
514 | if (!btv->has_remote) | ||
515 | return -ENODEV; | ||
516 | |||
517 | ir = kzalloc(sizeof(*ir),GFP_KERNEL); | ||
518 | input_dev = input_allocate_device(); | ||
519 | if (!ir || !input_dev) { | ||
520 | kfree(ir); | ||
521 | input_free_device(input_dev); | ||
522 | return -ENOMEM; | ||
523 | } | ||
524 | memset(ir,0,sizeof(*ir)); | ||
525 | |||
526 | /* detect & configure */ | ||
527 | switch (btv->c.type) { | ||
528 | case BTTV_BOARD_AVERMEDIA: | ||
529 | case BTTV_BOARD_AVPHONE98: | ||
530 | case BTTV_BOARD_AVERMEDIA98: | ||
531 | ir_codes = ir_codes_avermedia; | ||
532 | ir->mask_keycode = 0xf88000; | ||
533 | ir->mask_keydown = 0x010000; | ||
534 | ir->polling = 50; // ms | ||
535 | break; | ||
536 | |||
537 | case BTTV_BOARD_AVDVBT_761: | ||
538 | case BTTV_BOARD_AVDVBT_771: | ||
539 | ir_codes = ir_codes_avermedia_dvbt; | ||
540 | ir->mask_keycode = 0x0f00c0; | ||
541 | ir->mask_keydown = 0x000020; | ||
542 | ir->polling = 50; // ms | ||
543 | break; | ||
544 | |||
545 | case BTTV_BOARD_PXELVWPLTVPAK: | ||
546 | ir_codes = ir_codes_pixelview; | ||
547 | ir->mask_keycode = 0x003e00; | ||
548 | ir->mask_keyup = 0x010000; | ||
549 | ir->polling = 50; // ms | ||
550 | break; | ||
551 | case BTTV_BOARD_PV_BT878P_9B: | ||
552 | case BTTV_BOARD_PV_BT878P_PLUS: | ||
553 | ir_codes = ir_codes_pixelview; | ||
554 | ir->mask_keycode = 0x001f00; | ||
555 | ir->mask_keyup = 0x008000; | ||
556 | ir->polling = 50; // ms | ||
557 | break; | ||
558 | |||
559 | case BTTV_BOARD_WINFAST2000: | ||
560 | ir_codes = ir_codes_winfast; | ||
561 | ir->mask_keycode = 0x1f8; | ||
562 | break; | ||
563 | case BTTV_BOARD_MAGICTVIEW061: | ||
564 | case BTTV_BOARD_MAGICTVIEW063: | ||
565 | ir_codes = ir_codes_winfast; | ||
566 | ir->mask_keycode = 0x0008e000; | ||
567 | ir->mask_keydown = 0x00200000; | ||
568 | break; | ||
569 | case BTTV_BOARD_APAC_VIEWCOMP: | ||
570 | ir_codes = ir_codes_apac_viewcomp; | ||
571 | ir->mask_keycode = 0x001f00; | ||
572 | ir->mask_keyup = 0x008000; | ||
573 | ir->polling = 50; // ms | ||
574 | break; | ||
575 | case BTTV_BOARD_CONCEPTRONIC_CTVFMI2: | ||
576 | ir_codes = ir_codes_conceptronic; | ||
577 | ir->mask_keycode = 0x001F00; | ||
578 | ir->mask_keyup = 0x006000; | ||
579 | ir->polling = 50; // ms | ||
580 | break; | ||
581 | case BTTV_BOARD_NEBULA_DIGITV: | ||
582 | ir_codes = ir_codes_nebula; | ||
583 | btv->custom_irq = bttv_rc5_irq; | ||
584 | ir->rc5_gpio = 1; | ||
585 | break; | ||
586 | } | ||
587 | if (NULL == ir_codes) { | ||
588 | dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n",btv->c.type); | ||
589 | kfree(ir); | ||
590 | input_free_device(input_dev); | ||
591 | return -ENODEV; | ||
592 | } | ||
593 | |||
594 | if (ir->rc5_gpio) { | ||
595 | u32 gpio; | ||
596 | /* enable remote irq */ | ||
597 | bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4); | ||
598 | gpio = bttv_gpio_read(&btv->c); | ||
599 | bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); | ||
600 | bttv_gpio_write(&btv->c, gpio | (1 << 4)); | ||
601 | } else { | ||
602 | /* init hardware-specific stuff */ | ||
603 | bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0); | ||
604 | } | ||
605 | |||
606 | /* init input device */ | ||
607 | ir->dev = input_dev; | ||
608 | |||
609 | snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)", | ||
610 | btv->c.type); | ||
611 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | ||
612 | pci_name(btv->c.pci)); | ||
613 | |||
614 | ir_input_init(input_dev, &ir->ir, ir_type, ir_codes); | ||
615 | input_dev->name = ir->name; | ||
616 | input_dev->phys = ir->phys; | ||
617 | input_dev->id.bustype = BUS_PCI; | ||
618 | input_dev->id.version = 1; | ||
619 | if (btv->c.pci->subsystem_vendor) { | ||
620 | input_dev->id.vendor = btv->c.pci->subsystem_vendor; | ||
621 | input_dev->id.product = btv->c.pci->subsystem_device; | ||
622 | } else { | ||
623 | input_dev->id.vendor = btv->c.pci->vendor; | ||
624 | input_dev->id.product = btv->c.pci->device; | ||
625 | } | ||
626 | input_dev->cdev.dev = &btv->c.pci->dev; | ||
627 | |||
628 | btv->remote = ir; | ||
629 | if (ir->polling) { | ||
630 | init_timer(&ir->timer); | ||
631 | ir->timer.function = bttv_input_timer; | ||
632 | ir->timer.data = (unsigned long)btv; | ||
633 | ir->timer.expires = jiffies + HZ; | ||
634 | add_timer(&ir->timer); | ||
635 | } else if (ir->rc5_gpio) { | ||
636 | /* set timer_end for code completion */ | ||
637 | init_timer(&ir->timer_end); | ||
638 | ir->timer_end.function = bttv_rc5_timer_end; | ||
639 | ir->timer_end.data = (unsigned long)ir; | ||
640 | |||
641 | init_timer(&ir->timer_keyup); | ||
642 | ir->timer_keyup.function = bttv_rc5_timer_keyup; | ||
643 | ir->timer_keyup.data = (unsigned long)ir; | ||
644 | } | ||
645 | |||
646 | /* all done */ | ||
647 | input_register_device(btv->remote->dev); | ||
648 | printk(DEVNAME ": %s detected at %s\n",ir->dev->name,ir->dev->phys); | ||
649 | |||
650 | /* the remote isn't as bouncy as a keyboard */ | ||
651 | ir->dev->rep[REP_DELAY] = repeat_delay; | ||
652 | ir->dev->rep[REP_PERIOD] = repeat_period; | ||
653 | |||
654 | return 0; | ||
655 | } | ||
656 | |||
657 | void bttv_input_fini(struct bttv *btv) | ||
658 | { | ||
659 | if (btv->remote == NULL) | ||
660 | return; | ||
661 | |||
662 | if (btv->remote->polling) { | ||
663 | del_timer_sync(&btv->remote->timer); | ||
664 | flush_scheduled_work(); | ||
665 | } | ||
666 | |||
667 | |||
668 | if (btv->remote->rc5_gpio) { | ||
669 | u32 gpio; | ||
670 | |||
671 | del_timer(&btv->remote->timer_end); | ||
672 | flush_scheduled_work(); | ||
673 | |||
674 | gpio = bttv_gpio_read(&btv->c); | ||
675 | bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); | ||
676 | } | ||
677 | |||
678 | input_unregister_device(btv->remote->dev); | ||
679 | kfree(btv->remote); | ||
680 | btv->remote = NULL; | ||
681 | } | ||
682 | |||
683 | |||
684 | /* | ||
685 | * Local variables: | ||
686 | * c-basic-offset: 8 | ||
687 | * End: | ||
688 | */ | ||