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cfq-iosched: fix use-after-free of cfqq
[deliverable/linux.git] / drivers / media / video / saa7134 / saa7134-input.c
1 /*
2 *
3 * handle saa7134 IR remotes via linux kernel input layer.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
20
21 #include <linux/module.h>
22 #include <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/slab.h>
26
27 #include "saa7134-reg.h"
28 #include "saa7134.h"
29
30 #define MODULE_NAME "saa7134"
31
32 static unsigned int disable_ir;
33 module_param(disable_ir, int, 0444);
34 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
35
36 static unsigned int ir_debug;
37 module_param(ir_debug, int, 0644);
38 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
39
40 static int pinnacle_remote;
41 module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
42 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
43
44 #define dprintk(fmt, arg...) if (ir_debug) \
45 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
46 #define i2cdprintk(fmt, arg...) if (ir_debug) \
47 printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
48
49 /* Helper function for raw decoding at GPIO16 or GPIO18 */
50 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
51
52 /* -------------------- GPIO generic keycode builder -------------------- */
53
54 static int build_key(struct saa7134_dev *dev)
55 {
56 struct saa7134_card_ir *ir = dev->remote;
57 u32 gpio, data;
58
59 /* here comes the additional handshake steps for some cards */
60 switch (dev->board) {
61 case SAA7134_BOARD_GOTVIEW_7135:
62 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
63 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
64 break;
65 }
66 /* rising SAA7134_GPIO_GPRESCAN reads the status */
67 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
68 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
69
70 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
71 if (ir->polling) {
72 if (ir->last_gpio == gpio)
73 return 0;
74 ir->last_gpio = gpio;
75 }
76
77 data = ir_extract_bits(gpio, ir->mask_keycode);
78 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
79 gpio, ir->mask_keycode, data);
80
81 switch (dev->board) {
82 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
83 if (data == ir->mask_keycode)
84 rc_keyup(ir->dev);
85 else
86 rc_keydown_notimeout(ir->dev, data, 0);
87 return 0;
88 }
89
90 if (ir->polling) {
91 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
92 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
93 rc_keydown_notimeout(ir->dev, data, 0);
94 } else {
95 rc_keyup(ir->dev);
96 }
97 }
98 else { /* IRQ driven mode - handle key press and release in one go */
99 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
100 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
101 rc_keydown_notimeout(ir->dev, data, 0);
102 rc_keyup(ir->dev);
103 }
104 }
105
106 return 0;
107 }
108
109 /* --------------------- Chip specific I2C key builders ----------------- */
110
111 static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
112 {
113 int gpio;
114 int attempt = 0;
115 unsigned char b;
116
117 /* We need this to access GPI Used by the saa_readl macro. */
118 struct saa7134_dev *dev = ir->c->adapter->algo_data;
119
120 if (dev == NULL) {
121 i2cdprintk("get_key_flydvb_trio: "
122 "ir->c->adapter->algo_data is NULL!\n");
123 return -EIO;
124 }
125
126 /* rising SAA7134_GPIGPRESCAN reads the status */
127 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
128 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
129
130 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
131
132 if (0x40000 & ~gpio)
133 return 0; /* No button press */
134
135 /* No button press - only before first key pressed */
136 if (b == 0xFF)
137 return 0;
138
139 /* poll IR chip */
140 /* weak up the IR chip */
141 b = 0;
142
143 while (1 != i2c_master_send(ir->c, &b, 1)) {
144 if ((attempt++) < 10) {
145 /*
146 * wait a bit for next attempt -
147 * I don't know how make it better
148 */
149 msleep(10);
150 continue;
151 }
152 i2cdprintk("send wake up byte to pic16C505 (IR chip)"
153 "failed %dx\n", attempt);
154 return -EIO;
155 }
156 if (1 != i2c_master_recv(ir->c, &b, 1)) {
157 i2cdprintk("read error\n");
158 return -EIO;
159 }
160
161 *ir_key = b;
162 *ir_raw = b;
163 return 1;
164 }
165
166 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
167 u32 *ir_raw)
168 {
169 unsigned char b;
170 int gpio;
171
172 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
173 struct saa7134_dev *dev = ir->c->adapter->algo_data;
174 if (dev == NULL) {
175 i2cdprintk("get_key_msi_tvanywhere_plus: "
176 "ir->c->adapter->algo_data is NULL!\n");
177 return -EIO;
178 }
179
180 /* rising SAA7134_GPIO_GPRESCAN reads the status */
181
182 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
183 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
184
185 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
186
187 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
188 I2C receive if gpio&0x40 is not low. */
189
190 if (gpio & 0x40)
191 return 0; /* No button press */
192
193 /* GPIO says there is a button press. Get it. */
194
195 if (1 != i2c_master_recv(ir->c, &b, 1)) {
196 i2cdprintk("read error\n");
197 return -EIO;
198 }
199
200 /* No button press */
201
202 if (b == 0xff)
203 return 0;
204
205 /* Button pressed */
206
207 dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
208 *ir_key = b;
209 *ir_raw = b;
210 return 1;
211 }
212
213 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
214 {
215 unsigned char b;
216
217 /* poll IR chip */
218 if (1 != i2c_master_recv(ir->c, &b, 1)) {
219 i2cdprintk("read error\n");
220 return -EIO;
221 }
222
223 /* no button press */
224 if (b==0)
225 return 0;
226
227 /* repeating */
228 if (b & 0x80)
229 return 1;
230
231 *ir_key = b;
232 *ir_raw = b;
233 return 1;
234 }
235
236 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
237 {
238 unsigned char buf[5], cod4, code3, code4;
239
240 /* poll IR chip */
241 if (5 != i2c_master_recv(ir->c, buf, 5))
242 return -EIO;
243
244 cod4 = buf[4];
245 code4 = (cod4 >> 2);
246 code3 = buf[3];
247 if (code3 == 0)
248 /* no key pressed */
249 return 0;
250
251 /* return key */
252 *ir_key = code4;
253 *ir_raw = code4;
254 return 1;
255 }
256
257
258 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
259 {
260 unsigned char data[12];
261 u32 gpio;
262
263 struct saa7134_dev *dev = ir->c->adapter->algo_data;
264
265 /* rising SAA7134_GPIO_GPRESCAN reads the status */
266 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
267 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
268
269 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
270
271 if (0x400000 & ~gpio)
272 return 0; /* No button press */
273
274 ir->c->addr = 0x5a >> 1;
275
276 if (12 != i2c_master_recv(ir->c, data, 12)) {
277 i2cdprintk("read error\n");
278 return -EIO;
279 }
280
281 if (data[9] != (unsigned char)(~data[8]))
282 return 0;
283
284 *ir_raw = ((data[10] << 16) | (data[11] << 8) | (data[9] << 0));
285 *ir_key = *ir_raw;
286
287 return 1;
288 }
289
290 /* Common (grey or coloured) pinnacle PCTV remote handling
291 *
292 */
293 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
294 int parity_offset, int marker, int code_modulo)
295 {
296 unsigned char b[4];
297 unsigned int start = 0,parity = 0,code = 0;
298
299 /* poll IR chip */
300 if (4 != i2c_master_recv(ir->c, b, 4)) {
301 i2cdprintk("read error\n");
302 return -EIO;
303 }
304
305 for (start = 0; start < ARRAY_SIZE(b); start++) {
306 if (b[start] == marker) {
307 code=b[(start+parity_offset + 1) % 4];
308 parity=b[(start+parity_offset) % 4];
309 }
310 }
311
312 /* Empty Request */
313 if (parity == 0)
314 return 0;
315
316 /* Repeating... */
317 if (ir->old == parity)
318 return 0;
319
320 ir->old = parity;
321
322 /* drop special codes when a key is held down a long time for the grey controller
323 In this case, the second bit of the code is asserted */
324 if (marker == 0xfe && (code & 0x40))
325 return 0;
326
327 code %= code_modulo;
328
329 *ir_raw = code;
330 *ir_key = code;
331
332 i2cdprintk("Pinnacle PCTV key %02x\n", code);
333
334 return 1;
335 }
336
337 /* The grey pinnacle PCTV remote
338 *
339 * There are one issue with this remote:
340 * - I2c packet does not change when the same key is pressed quickly. The workaround
341 * is to hold down each key for about half a second, so that another code is generated
342 * in the i2c packet, and the function can distinguish key presses.
343 *
344 * Sylvain Pasche <sylvain.pasche@gmail.com>
345 */
346 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
347 {
348
349 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
350 }
351
352
353 /* The new pinnacle PCTV remote (with the colored buttons)
354 *
355 * Ricardo Cerqueira <v4l@cerqueira.org>
356 */
357 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
358 {
359 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
360 *
361 * this is the only value that results in 42 unique
362 * codes < 128
363 */
364
365 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
366 }
367
368 void saa7134_input_irq(struct saa7134_dev *dev)
369 {
370 struct saa7134_card_ir *ir;
371
372 if (!dev || !dev->remote)
373 return;
374
375 ir = dev->remote;
376 if (!ir->running)
377 return;
378
379 if (!ir->polling && !ir->raw_decode) {
380 build_key(dev);
381 } else if (ir->raw_decode) {
382 saa7134_raw_decode_irq(dev);
383 }
384 }
385
386 static void saa7134_input_timer(unsigned long data)
387 {
388 struct saa7134_dev *dev = (struct saa7134_dev *)data;
389 struct saa7134_card_ir *ir = dev->remote;
390
391 build_key(dev);
392 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
393 }
394
395 static void ir_raw_decode_timer_end(unsigned long data)
396 {
397 struct saa7134_dev *dev = (struct saa7134_dev *)data;
398 struct saa7134_card_ir *ir = dev->remote;
399
400 ir_raw_event_handle(dev->remote->dev);
401
402 ir->active = false;
403 }
404
405 static int __saa7134_ir_start(void *priv)
406 {
407 struct saa7134_dev *dev = priv;
408 struct saa7134_card_ir *ir;
409
410 if (!dev || !dev->remote)
411 return -EINVAL;
412
413 ir = dev->remote;
414 if (ir->running)
415 return 0;
416
417 /* Moved here from saa7134_input_init1() because the latter
418 * is not called on device resume */
419 switch (dev->board) {
420 case SAA7134_BOARD_MD2819:
421 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
422 case SAA7134_BOARD_AVERMEDIA_305:
423 case SAA7134_BOARD_AVERMEDIA_307:
424 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
425 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
426 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
427 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
428 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
429 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
430 case SAA7134_BOARD_AVERMEDIA_M102:
431 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
432 /* Without this we won't receive key up events */
433 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
434 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
435 break;
436 case SAA7134_BOARD_AVERMEDIA_777:
437 case SAA7134_BOARD_AVERMEDIA_A16AR:
438 /* Without this we won't receive key up events */
439 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
440 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
441 break;
442 case SAA7134_BOARD_AVERMEDIA_A16D:
443 /* Without this we won't receive key up events */
444 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
445 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
446 break;
447 case SAA7134_BOARD_GOTVIEW_7135:
448 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
449 break;
450 }
451
452 ir->running = true;
453 ir->active = false;
454
455 if (ir->polling) {
456 setup_timer(&ir->timer, saa7134_input_timer,
457 (unsigned long)dev);
458 ir->timer.expires = jiffies + HZ;
459 add_timer(&ir->timer);
460 } else if (ir->raw_decode) {
461 /* set timer_end for code completion */
462 setup_timer(&ir->timer, ir_raw_decode_timer_end,
463 (unsigned long)dev);
464 }
465
466 return 0;
467 }
468
469 static void __saa7134_ir_stop(void *priv)
470 {
471 struct saa7134_dev *dev = priv;
472 struct saa7134_card_ir *ir;
473
474 if (!dev || !dev->remote)
475 return;
476
477 ir = dev->remote;
478 if (!ir->running)
479 return;
480
481 if (ir->polling || ir->raw_decode)
482 del_timer_sync(&ir->timer);
483
484 ir->active = false;
485 ir->running = false;
486
487 return;
488 }
489
490 int saa7134_ir_start(struct saa7134_dev *dev)
491 {
492 if (dev->remote->users)
493 return __saa7134_ir_start(dev);
494
495 return 0;
496 }
497
498 void saa7134_ir_stop(struct saa7134_dev *dev)
499 {
500 if (dev->remote->users)
501 __saa7134_ir_stop(dev);
502 }
503
504 static int saa7134_ir_open(struct rc_dev *rc)
505 {
506 struct saa7134_dev *dev = rc->priv;
507
508 dev->remote->users++;
509 return __saa7134_ir_start(dev);
510 }
511
512 static void saa7134_ir_close(struct rc_dev *rc)
513 {
514 struct saa7134_dev *dev = rc->priv;
515
516 dev->remote->users--;
517 if (!dev->remote->users)
518 __saa7134_ir_stop(dev);
519 }
520
521 int saa7134_input_init1(struct saa7134_dev *dev)
522 {
523 struct saa7134_card_ir *ir;
524 struct rc_dev *rc;
525 char *ir_codes = NULL;
526 u32 mask_keycode = 0;
527 u32 mask_keydown = 0;
528 u32 mask_keyup = 0;
529 unsigned polling = 0;
530 bool raw_decode = false;
531 int err;
532
533 if (dev->has_remote != SAA7134_REMOTE_GPIO)
534 return -ENODEV;
535 if (disable_ir)
536 return -ENODEV;
537
538 /* detect & configure */
539 switch (dev->board) {
540 case SAA7134_BOARD_FLYVIDEO2000:
541 case SAA7134_BOARD_FLYVIDEO3000:
542 case SAA7134_BOARD_FLYTVPLATINUM_FM:
543 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
544 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
545 ir_codes = RC_MAP_FLYVIDEO;
546 mask_keycode = 0xEC00000;
547 mask_keydown = 0x0040000;
548 break;
549 case SAA7134_BOARD_CINERGY400:
550 case SAA7134_BOARD_CINERGY600:
551 case SAA7134_BOARD_CINERGY600_MK3:
552 ir_codes = RC_MAP_CINERGY;
553 mask_keycode = 0x00003f;
554 mask_keyup = 0x040000;
555 break;
556 case SAA7134_BOARD_ECS_TVP3XP:
557 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
558 ir_codes = RC_MAP_EZTV;
559 mask_keycode = 0x00017c;
560 mask_keyup = 0x000002;
561 polling = 50; // ms
562 break;
563 case SAA7134_BOARD_KWORLD_XPERT:
564 case SAA7134_BOARD_AVACSSMARTTV:
565 ir_codes = RC_MAP_PIXELVIEW;
566 mask_keycode = 0x00001F;
567 mask_keyup = 0x000020;
568 polling = 50; // ms
569 break;
570 case SAA7134_BOARD_MD2819:
571 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
572 case SAA7134_BOARD_AVERMEDIA_305:
573 case SAA7134_BOARD_AVERMEDIA_307:
574 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
575 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
576 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
577 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
578 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
579 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
580 case SAA7134_BOARD_AVERMEDIA_M102:
581 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
582 ir_codes = RC_MAP_AVERMEDIA;
583 mask_keycode = 0x0007C8;
584 mask_keydown = 0x000010;
585 polling = 50; // ms
586 /* GPIO stuff moved to __saa7134_ir_start() */
587 break;
588 case SAA7134_BOARD_AVERMEDIA_M135A:
589 ir_codes = RC_MAP_AVERMEDIA_M135A;
590 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
591 mask_keyup = 0x0040000;
592 mask_keycode = 0xffff;
593 raw_decode = true;
594 break;
595 case SAA7134_BOARD_AVERMEDIA_M733A:
596 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
597 mask_keydown = 0x0040000;
598 mask_keyup = 0x0040000;
599 mask_keycode = 0xffff;
600 raw_decode = true;
601 break;
602 case SAA7134_BOARD_AVERMEDIA_777:
603 case SAA7134_BOARD_AVERMEDIA_A16AR:
604 ir_codes = RC_MAP_AVERMEDIA;
605 mask_keycode = 0x02F200;
606 mask_keydown = 0x000400;
607 polling = 50; // ms
608 /* GPIO stuff moved to __saa7134_ir_start() */
609 break;
610 case SAA7134_BOARD_AVERMEDIA_A16D:
611 ir_codes = RC_MAP_AVERMEDIA_A16D;
612 mask_keycode = 0x02F200;
613 mask_keydown = 0x000400;
614 polling = 50; /* ms */
615 /* GPIO stuff moved to __saa7134_ir_start() */
616 break;
617 case SAA7134_BOARD_KWORLD_TERMINATOR:
618 ir_codes = RC_MAP_PIXELVIEW;
619 mask_keycode = 0x00001f;
620 mask_keyup = 0x000060;
621 polling = 50; // ms
622 break;
623 case SAA7134_BOARD_MANLI_MTV001:
624 case SAA7134_BOARD_MANLI_MTV002:
625 ir_codes = RC_MAP_MANLI;
626 mask_keycode = 0x001f00;
627 mask_keyup = 0x004000;
628 polling = 50; /* ms */
629 break;
630 case SAA7134_BOARD_BEHOLD_409FM:
631 case SAA7134_BOARD_BEHOLD_401:
632 case SAA7134_BOARD_BEHOLD_403:
633 case SAA7134_BOARD_BEHOLD_403FM:
634 case SAA7134_BOARD_BEHOLD_405:
635 case SAA7134_BOARD_BEHOLD_405FM:
636 case SAA7134_BOARD_BEHOLD_407:
637 case SAA7134_BOARD_BEHOLD_407FM:
638 case SAA7134_BOARD_BEHOLD_409:
639 case SAA7134_BOARD_BEHOLD_505FM:
640 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
641 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
642 case SAA7134_BOARD_BEHOLD_507_9FM:
643 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
644 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
645 ir_codes = RC_MAP_MANLI;
646 mask_keycode = 0x003f00;
647 mask_keyup = 0x004000;
648 polling = 50; /* ms */
649 break;
650 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
651 ir_codes = RC_MAP_BEHOLD_COLUMBUS;
652 mask_keycode = 0x003f00;
653 mask_keyup = 0x004000;
654 polling = 50; // ms
655 break;
656 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
657 ir_codes = RC_MAP_PCTV_SEDNA;
658 mask_keycode = 0x001f00;
659 mask_keyup = 0x004000;
660 polling = 50; // ms
661 break;
662 case SAA7134_BOARD_GOTVIEW_7135:
663 ir_codes = RC_MAP_GOTVIEW7135;
664 mask_keycode = 0x0003CC;
665 mask_keydown = 0x000010;
666 polling = 5; /* ms */
667 /* GPIO stuff moved to __saa7134_ir_start() */
668 break;
669 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
670 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
671 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
672 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
673 mask_keycode = 0x00003F;
674 mask_keyup = 0x400000;
675 polling = 50; // ms
676 break;
677 case SAA7134_BOARD_PROTEUS_2309:
678 ir_codes = RC_MAP_PROTEUS_2309;
679 mask_keycode = 0x00007F;
680 mask_keyup = 0x000080;
681 polling = 50; // ms
682 break;
683 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
684 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
685 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
686 mask_keycode = 0x003F00;
687 mask_keyup = 0x040000;
688 break;
689 case SAA7134_BOARD_FLYDVBS_LR300:
690 case SAA7134_BOARD_FLYDVBT_LR301:
691 case SAA7134_BOARD_FLYDVBTDUO:
692 ir_codes = RC_MAP_FLYDVB;
693 mask_keycode = 0x0001F00;
694 mask_keydown = 0x0040000;
695 break;
696 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
697 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
698 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
699 ir_codes = RC_MAP_ASUS_PC39;
700 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
701 mask_keyup = 0x0040000;
702 mask_keycode = 0xffff;
703 raw_decode = true;
704 break;
705 case SAA7134_BOARD_ENCORE_ENLTV:
706 case SAA7134_BOARD_ENCORE_ENLTV_FM:
707 ir_codes = RC_MAP_ENCORE_ENLTV;
708 mask_keycode = 0x00007f;
709 mask_keyup = 0x040000;
710 polling = 50; // ms
711 break;
712 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
713 case SAA7134_BOARD_ENCORE_ENLTV_FM3:
714 ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
715 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
716 mask_keyup = 0x0040000;
717 mask_keycode = 0xffff;
718 raw_decode = true;
719 break;
720 case SAA7134_BOARD_10MOONSTVMASTER3:
721 ir_codes = RC_MAP_ENCORE_ENLTV;
722 mask_keycode = 0x5f80000;
723 mask_keyup = 0x8000000;
724 polling = 50; //ms
725 break;
726 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
727 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
728 mask_keycode = 0xff;
729 mask_keydown = 0xf00000;
730 polling = 50; /* ms */
731 break;
732 case SAA7134_BOARD_REAL_ANGEL_220:
733 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
734 mask_keycode = 0x3f00;
735 mask_keyup = 0x4000;
736 polling = 50; /* ms */
737 break;
738 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
739 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
740 mask_keycode = 0x7f;
741 polling = 40; /* ms */
742 break;
743 case SAA7134_BOARD_VIDEOMATE_S350:
744 ir_codes = RC_MAP_VIDEOMATE_S350;
745 mask_keycode = 0x003f00;
746 mask_keydown = 0x040000;
747 break;
748 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
749 ir_codes = RC_MAP_WINFAST;
750 mask_keycode = 0x5f00;
751 mask_keyup = 0x020000;
752 polling = 50; /* ms */
753 break;
754 case SAA7134_BOARD_VIDEOMATE_M1F:
755 ir_codes = RC_MAP_VIDEOMATE_M1F;
756 mask_keycode = 0x0ff00;
757 mask_keyup = 0x040000;
758 break;
759 case SAA7134_BOARD_HAUPPAUGE_HVR1150:
760 case SAA7134_BOARD_HAUPPAUGE_HVR1120:
761 ir_codes = RC_MAP_HAUPPAUGE;
762 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
763 mask_keyup = 0x0040000;
764 mask_keycode = 0xffff;
765 raw_decode = true;
766 break;
767 }
768 if (NULL == ir_codes) {
769 printk("%s: Oops: IR config error [card=%d]\n",
770 dev->name, dev->board);
771 return -ENODEV;
772 }
773
774 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
775 rc = rc_allocate_device();
776 if (!ir || !rc) {
777 err = -ENOMEM;
778 goto err_out_free;
779 }
780
781 ir->dev = rc;
782 dev->remote = ir;
783
784 /* init hardware-specific stuff */
785 ir->mask_keycode = mask_keycode;
786 ir->mask_keydown = mask_keydown;
787 ir->mask_keyup = mask_keyup;
788 ir->polling = polling;
789 ir->raw_decode = raw_decode;
790
791 /* init input device */
792 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
793 saa7134_boards[dev->board].name);
794 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
795 pci_name(dev->pci));
796
797 rc->priv = dev;
798 rc->open = saa7134_ir_open;
799 rc->close = saa7134_ir_close;
800 if (raw_decode)
801 rc->driver_type = RC_DRIVER_IR_RAW;
802
803 rc->input_name = ir->name;
804 rc->input_phys = ir->phys;
805 rc->input_id.bustype = BUS_PCI;
806 rc->input_id.version = 1;
807 if (dev->pci->subsystem_vendor) {
808 rc->input_id.vendor = dev->pci->subsystem_vendor;
809 rc->input_id.product = dev->pci->subsystem_device;
810 } else {
811 rc->input_id.vendor = dev->pci->vendor;
812 rc->input_id.product = dev->pci->device;
813 }
814 rc->dev.parent = &dev->pci->dev;
815 rc->map_name = ir_codes;
816 rc->driver_name = MODULE_NAME;
817
818 err = rc_register_device(rc);
819 if (err)
820 goto err_out_free;
821
822 return 0;
823
824 err_out_free:
825 rc_free_device(rc);
826 dev->remote = NULL;
827 kfree(ir);
828 return err;
829 }
830
831 void saa7134_input_fini(struct saa7134_dev *dev)
832 {
833 if (NULL == dev->remote)
834 return;
835
836 saa7134_ir_stop(dev);
837 rc_unregister_device(dev->remote->dev);
838 kfree(dev->remote);
839 dev->remote = NULL;
840 }
841
842 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
843 {
844 struct i2c_board_info info;
845 struct i2c_msg msg_msi = {
846 .addr = 0x50,
847 .flags = I2C_M_RD,
848 .len = 0,
849 .buf = NULL,
850 };
851 int rc;
852
853 if (disable_ir) {
854 dprintk("IR has been disabled, not probing for i2c remote\n");
855 return;
856 }
857
858 memset(&info, 0, sizeof(struct i2c_board_info));
859 memset(&dev->init_data, 0, sizeof(dev->init_data));
860 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
861
862 switch (dev->board) {
863 case SAA7134_BOARD_PINNACLE_PCTV_110i:
864 case SAA7134_BOARD_PINNACLE_PCTV_310i:
865 dev->init_data.name = "Pinnacle PCTV";
866 if (pinnacle_remote == 0) {
867 dev->init_data.get_key = get_key_pinnacle_color;
868 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
869 info.addr = 0x47;
870 } else {
871 dev->init_data.get_key = get_key_pinnacle_grey;
872 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
873 info.addr = 0x47;
874 }
875 break;
876 case SAA7134_BOARD_UPMOST_PURPLE_TV:
877 dev->init_data.name = "Purple TV";
878 dev->init_data.get_key = get_key_purpletv;
879 dev->init_data.ir_codes = RC_MAP_PURPLETV;
880 info.addr = 0x7a;
881 break;
882 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
883 dev->init_data.name = "MSI TV@nywhere Plus";
884 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
885 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
886 /*
887 * MSI TV@nyware Plus requires more frequent polling
888 * otherwise it will miss some keypresses
889 */
890 dev->init_data.polling_interval = 50;
891 info.addr = 0x30;
892 /* MSI TV@nywhere Plus controller doesn't seem to
893 respond to probes unless we read something from
894 an existing device. Weird...
895 REVISIT: might no longer be needed */
896 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
897 dprintk("probe 0x%02x @ %s: %s\n",
898 msg_msi.addr, dev->i2c_adap.name,
899 (1 == rc) ? "yes" : "no");
900 break;
901 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
902 dev->init_data.name = "HVR 1110";
903 dev->init_data.get_key = get_key_hvr1110;
904 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
905 info.addr = 0x71;
906 break;
907 case SAA7134_BOARD_BEHOLD_607FM_MK3:
908 case SAA7134_BOARD_BEHOLD_607FM_MK5:
909 case SAA7134_BOARD_BEHOLD_609FM_MK3:
910 case SAA7134_BOARD_BEHOLD_609FM_MK5:
911 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
912 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
913 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
914 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
915 case SAA7134_BOARD_BEHOLD_M6:
916 case SAA7134_BOARD_BEHOLD_M63:
917 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
918 case SAA7134_BOARD_BEHOLD_H6:
919 case SAA7134_BOARD_BEHOLD_X7:
920 case SAA7134_BOARD_BEHOLD_H7:
921 case SAA7134_BOARD_BEHOLD_A7:
922 dev->init_data.name = "BeholdTV";
923 dev->init_data.get_key = get_key_beholdm6xx;
924 dev->init_data.ir_codes = RC_MAP_BEHOLD;
925 dev->init_data.type = RC_TYPE_NEC;
926 info.addr = 0x2d;
927 break;
928 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
929 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
930 info.addr = 0x40;
931 break;
932 case SAA7134_BOARD_FLYDVB_TRIO:
933 dev->init_data.name = "FlyDVB Trio";
934 dev->init_data.get_key = get_key_flydvb_trio;
935 dev->init_data.ir_codes = RC_MAP_FLYDVB;
936 info.addr = 0x0b;
937 break;
938 default:
939 dprintk("No I2C IR support for board %x\n", dev->board);
940 return;
941 }
942
943 if (dev->init_data.name)
944 info.platform_data = &dev->init_data;
945 i2c_new_device(&dev->i2c_adap, &info);
946 }
947
948 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
949 {
950 struct saa7134_card_ir *ir = dev->remote;
951 unsigned long timeout;
952 int space;
953
954 /* Generate initial event */
955 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
956 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
957 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
958 ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
959
960 /*
961 * Wait 15 ms from the start of the first IR event before processing
962 * the event. This time is enough for NEC protocol. May need adjustments
963 * to work with other protocols.
964 */
965 if (!ir->active) {
966 timeout = jiffies + msecs_to_jiffies(15);
967 mod_timer(&ir->timer, timeout);
968 ir->active = true;
969 }
970
971 return 1;
972 }
Linux kernel - Deliverables
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