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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / media / video / saa7134 / saa7134-input.c
blob1b16c19436d287e9b5154ba94e46adc3a832df7e
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/input.h>
26 #include <linux/slab.h>
27
28 #include "saa7134-reg.h"
29 #include "saa7134.h"
30
31 #define MODULE_NAME "saa7134"
32
33 static unsigned int disable_ir;
34 module_param(disable_ir, int, 0444);
35 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
36
37 static unsigned int ir_debug;
38 module_param(ir_debug, int, 0644);
39 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
40
41 static int pinnacle_remote;
42 module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
43 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
44
45 static int ir_rc5_remote_gap = 885;
46 module_param(ir_rc5_remote_gap, int, 0644);
47 static int ir_rc5_key_timeout = 115;
48 module_param(ir_rc5_key_timeout, int, 0644);
49
50 static int repeat_delay = 500;
51 module_param(repeat_delay, int, 0644);
52 MODULE_PARM_DESC(repeat_delay, "delay before key repeat started");
53 static int repeat_period = 33;
54 module_param(repeat_period, int, 0644);
55 MODULE_PARM_DESC(repeat_period, "repeat period between "
56 "keypresses when key is down");
57
58 static unsigned int disable_other_ir;
59 module_param(disable_other_ir, int, 0644);
60 MODULE_PARM_DESC(disable_other_ir, "disable full codes of "
61 "alternative remotes from other manufacturers");
62
63 #define dprintk(fmt, arg...) if (ir_debug) \
64 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
65 #define i2cdprintk(fmt, arg...) if (ir_debug) \
66 printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
67
68 /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
69 static int saa7134_rc5_irq(struct saa7134_dev *dev);
70 static int saa7134_nec_irq(struct saa7134_dev *dev);
71 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
72 static void nec_task(unsigned long data);
73 static void saa7134_nec_timer(unsigned long data);
74
75 /* -------------------- GPIO generic keycode builder -------------------- */
76
77 static int build_key(struct saa7134_dev *dev)
78 {
79 struct card_ir *ir = dev->remote;
80 u32 gpio, data;
81
82 /* here comes the additional handshake steps for some cards */
83 switch (dev->board) {
84 case SAA7134_BOARD_GOTVIEW_7135:
85 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
86 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
87 break;
88 }
89 /* rising SAA7134_GPIO_GPRESCAN reads the status */
90 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
91 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
92
93 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
94 if (ir->polling) {
95 if (ir->last_gpio == gpio)
96 return 0;
97 ir->last_gpio = gpio;
98 }
99
100 data = ir_extract_bits(gpio, ir->mask_keycode);
101 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
102 gpio, ir->mask_keycode, data);
103
104 switch (dev->board) {
105 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
106 if (data == ir->mask_keycode)
107 ir_input_nokey(ir->dev, &ir->ir);
108 else
109 ir_input_keydown(ir->dev, &ir->ir, data);
110 return 0;
111 }
112
113 if (ir->polling) {
114 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
115 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
116 ir_input_keydown(ir->dev, &ir->ir, data);
117 } else {
118 ir_input_nokey(ir->dev, &ir->ir);
119 }
120 }
121 else { /* IRQ driven mode - handle key press and release in one go */
122 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
123 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
124 ir_input_keydown(ir->dev, &ir->ir, data);
125 ir_input_nokey(ir->dev, &ir->ir);
126 }
127 }
128
129 return 0;
130 }
131
132 /* --------------------- Chip specific I2C key builders ----------------- */
133
134 static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
135 {
136 int gpio;
137 int attempt = 0;
138 unsigned char b;
139
140 /* We need this to access GPI Used by the saa_readl macro. */
141 struct saa7134_dev *dev = ir->c->adapter->algo_data;
142
143 if (dev == NULL) {
144 i2cdprintk("get_key_flydvb_trio: "
145 "ir->c->adapter->algo_data is NULL!\n");
146 return -EIO;
147 }
148
149 /* rising SAA7134_GPIGPRESCAN reads the status */
150 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
151 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
152
153 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
154
155 if (0x40000 & ~gpio)
156 return 0; /* No button press */
157
158 /* No button press - only before first key pressed */
159 if (b == 0xFF)
160 return 0;
161
162 /* poll IR chip */
163 /* weak up the IR chip */
164 b = 0;
165
166 while (1 != i2c_master_send(ir->c, &b, 1)) {
167 if ((attempt++) < 10) {
168 /*
169 * wait a bit for next attempt -
170 * I don't know how make it better
171 */
172 msleep(10);
173 continue;
174 }
175 i2cdprintk("send wake up byte to pic16C505 (IR chip)"
176 "failed %dx\n", attempt);
177 return -EIO;
178 }
179 if (1 != i2c_master_recv(ir->c, &b, 1)) {
180 i2cdprintk("read error\n");
181 return -EIO;
182 }
183
184 *ir_key = b;
185 *ir_raw = b;
186 return 1;
187 }
188
189 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
190 u32 *ir_raw)
191 {
192 unsigned char b;
193 int gpio;
194
195 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
196 struct saa7134_dev *dev = ir->c->adapter->algo_data;
197 if (dev == NULL) {
198 i2cdprintk("get_key_msi_tvanywhere_plus: "
199 "ir->c->adapter->algo_data is NULL!\n");
200 return -EIO;
201 }
202
203 /* rising SAA7134_GPIO_GPRESCAN reads the status */
204
205 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
206 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
207
208 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
209
210 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
211 I2C receive if gpio&0x40 is not low. */
212
213 if (gpio & 0x40)
214 return 0; /* No button press */
215
216 /* GPIO says there is a button press. Get it. */
217
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
225 if (b == 0xff)
226 return 0;
227
228 /* Button pressed */
229
230 dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
231 *ir_key = b;
232 *ir_raw = b;
233 return 1;
234 }
235
236 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
237 {
238 unsigned char b;
239
240 /* poll IR chip */
241 if (1 != i2c_master_recv(ir->c, &b, 1)) {
242 i2cdprintk("read error\n");
243 return -EIO;
244 }
245
246 /* no button press */
247 if (b==0)
248 return 0;
249
250 /* repeating */
251 if (b & 0x80)
252 return 1;
253
254 *ir_key = b;
255 *ir_raw = b;
256 return 1;
257 }
258
259 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
260 {
261 unsigned char buf[5], cod4, code3, code4;
262
263 /* poll IR chip */
264 if (5 != i2c_master_recv(ir->c, buf, 5))
265 return -EIO;
266
267 cod4 = buf[4];
268 code4 = (cod4 >> 2);
269 code3 = buf[3];
270 if (code3 == 0)
271 /* no key pressed */
272 return 0;
273
274 /* return key */
275 *ir_key = code4;
276 *ir_raw = code4;
277 return 1;
278 }
279
280
281 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
282 {
283 unsigned char data[12];
284 u32 gpio;
285
286 struct saa7134_dev *dev = ir->c->adapter->algo_data;
287
288 /* rising SAA7134_GPIO_GPRESCAN reads the status */
289 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
290 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
291
292 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
293
294 if (0x400000 & ~gpio)
295 return 0; /* No button press */
296
297 ir->c->addr = 0x5a >> 1;
298
299 if (12 != i2c_master_recv(ir->c, data, 12)) {
300 i2cdprintk("read error\n");
301 return -EIO;
302 }
303 /* IR of this card normally decode signals NEC-standard from
304 * - Sven IHOO MT 5.1R remote. xxyye718
305 * - Sven DVD HD-10xx remote. xxyyf708
306 * - BBK ...
307 * - mayby others
308 * So, skip not our, if disable full codes mode.
309 */
310 if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir)
311 return 0;
312
313 /* Wrong data decode fix */
314 if (data[9] != (unsigned char)(~data[8]))
315 return 0;
316
317 *ir_key = data[9];
318 *ir_raw = data[9];
319
320 return 1;
321 }
322
323 /* Common (grey or coloured) pinnacle PCTV remote handling
324 *
325 */
326 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
327 int parity_offset, int marker, int code_modulo)
328 {
329 unsigned char b[4];
330 unsigned int start = 0,parity = 0,code = 0;
331
332 /* poll IR chip */
333 if (4 != i2c_master_recv(ir->c, b, 4)) {
334 i2cdprintk("read error\n");
335 return -EIO;
336 }
337
338 for (start = 0; start < ARRAY_SIZE(b); start++) {
339 if (b[start] == marker) {
340 code=b[(start+parity_offset + 1) % 4];
341 parity=b[(start+parity_offset) % 4];
342 }
343 }
344
345 /* Empty Request */
346 if (parity == 0)
347 return 0;
348
349 /* Repeating... */
350 if (ir->old == parity)
351 return 0;
352
353 ir->old = parity;
354
355 /* drop special codes when a key is held down a long time for the grey controller
356 In this case, the second bit of the code is asserted */
357 if (marker == 0xfe && (code & 0x40))
358 return 0;
359
360 code %= code_modulo;
361
362 *ir_raw = code;
363 *ir_key = code;
364
365 i2cdprintk("Pinnacle PCTV key %02x\n", code);
366
367 return 1;
368 }
369
370 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
371 {
372
373 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
374 }
375
376
377 /* The new pinnacle PCTV remote (with the colored buttons)
378 *
379 * Ricardo Cerqueira <v4l@cerqueira.org>
380 */
381 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
382 {
383 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
384 *
385 * this is the only value that results in 42 unique
386 * codes < 128
387 */
388
389 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
390 }
391
392 void saa7134_input_irq(struct saa7134_dev *dev)
393 {
394 struct card_ir *ir;
395
396 if (!dev || !dev->remote)
397 return;
398
399 ir = dev->remote;
400 if (!ir->running)
401 return;
402
403 if (ir->nec_gpio) {
404 saa7134_nec_irq(dev);
405 } else if (!ir->polling && !ir->rc5_gpio && !ir->raw_decode) {
406 build_key(dev);
407 } else if (ir->rc5_gpio) {
408 saa7134_rc5_irq(dev);
409 } else if (ir->raw_decode) {
410 saa7134_raw_decode_irq(dev);
411 }
412 }
413
414 static void saa7134_input_timer(unsigned long data)
415 {
416 struct saa7134_dev *dev = (struct saa7134_dev *)data;
417 struct card_ir *ir = dev->remote;
418
419 build_key(dev);
420 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
421 }
422
423 void ir_raw_decode_timer_end(unsigned long data)
424 {
425 struct saa7134_dev *dev = (struct saa7134_dev *)data;
426 struct card_ir *ir = dev->remote;
427
428 ir_raw_event_handle(dev->remote->dev);
429
430 ir->active = 0;
431 }
432
433 static int __saa7134_ir_start(void *priv)
434 {
435 struct saa7134_dev *dev = priv;
436 struct card_ir *ir;
437
438 if (!dev)
439 return -EINVAL;
440
441 ir = dev->remote;
442 if (!ir)
443 return -EINVAL;
444
445 if (ir->running)
446 return 0;
447
448 ir->running = 1;
449 if (ir->polling) {
450 setup_timer(&ir->timer, saa7134_input_timer,
451 (unsigned long)dev);
452 ir->timer.expires = jiffies + HZ;
453 add_timer(&ir->timer);
454 } else if (ir->rc5_gpio) {
455 /* set timer_end for code completion */
456 init_timer(&ir->timer_end);
457 ir->timer_end.function = ir_rc5_timer_end;
458 ir->timer_end.data = (unsigned long)ir;
459 init_timer(&ir->timer_keyup);
460 ir->timer_keyup.function = ir_rc5_timer_keyup;
461 ir->timer_keyup.data = (unsigned long)ir;
462 ir->shift_by = 2;
463 ir->start = 0x2;
464 ir->addr = 0x17;
465 ir->rc5_key_timeout = ir_rc5_key_timeout;
466 ir->rc5_remote_gap = ir_rc5_remote_gap;
467 } else if (ir->nec_gpio) {
468 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
469 (unsigned long)dev);
470 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
471 } else if (ir->raw_decode) {
472 /* set timer_end for code completion */
473 init_timer(&ir->timer_end);
474 ir->timer_end.function = ir_raw_decode_timer_end;
475 ir->timer_end.data = (unsigned long)dev;
476 ir->active = 0;
477 }
478
479 return 0;
480 }
481
482 static void __saa7134_ir_stop(void *priv)
483 {
484 struct saa7134_dev *dev = priv;
485 struct card_ir *ir;
486
487 if (!dev)
488 return;
489
490 ir = dev->remote;
491 if (!ir)
492 return;
493
494 if (!ir->running)
495 return;
496 if (dev->remote->polling)
497 del_timer_sync(&dev->remote->timer);
498 else if (ir->rc5_gpio)
499 del_timer_sync(&ir->timer_end);
500 else if (ir->nec_gpio)
501 tasklet_kill(&ir->tlet);
502 else if (ir->raw_decode) {
503 del_timer_sync(&ir->timer_end);
504 ir->active = 0;
505 }
506
507 ir->running = 0;
508
509 return;
510 }
511
512 int saa7134_ir_start(struct saa7134_dev *dev)
513 {
514 if (dev->remote->users)
515 return __saa7134_ir_start(dev);
516
517 return 0;
518 }
519
520 void saa7134_ir_stop(struct saa7134_dev *dev)
521 {
522 if (dev->remote->users)
523 __saa7134_ir_stop(dev);
524 }
525
526 static int saa7134_ir_open(void *priv)
527 {
528 struct saa7134_dev *dev = priv;
529
530 dev->remote->users++;
531 return __saa7134_ir_start(dev);
532 }
533
534 static void saa7134_ir_close(void *priv)
535 {
536 struct saa7134_dev *dev = priv;
537
538 dev->remote->users--;
539 if (!dev->remote->users)
540 __saa7134_ir_stop(dev);
541 }
542
543
544 int saa7134_ir_change_protocol(void *priv, u64 ir_type)
545 {
546 struct saa7134_dev *dev = priv;
547 struct card_ir *ir = dev->remote;
548 u32 nec_gpio, rc5_gpio;
549
550 if (ir_type == IR_TYPE_RC5) {
551 dprintk("Changing protocol to RC5\n");
552 nec_gpio = 0;
553 rc5_gpio = 1;
554 } else if (ir_type == IR_TYPE_NEC) {
555 dprintk("Changing protocol to NEC\n");
556 nec_gpio = 1;
557 rc5_gpio = 0;
558 } else {
559 dprintk("IR protocol type %ud is not supported\n",
560 (unsigned)ir_type);
561 return -EINVAL;
562 }
563
564 if (ir->running) {
565 saa7134_ir_stop(dev);
566 ir->nec_gpio = nec_gpio;
567 ir->rc5_gpio = rc5_gpio;
568 saa7134_ir_start(dev);
569 } else {
570 ir->nec_gpio = nec_gpio;
571 ir->rc5_gpio = rc5_gpio;
572 }
573
574 return 0;
575 }
576
577 int saa7134_input_init1(struct saa7134_dev *dev)
578 {
579 struct card_ir *ir;
580 struct input_dev *input_dev;
581 char *ir_codes = NULL;
582 u32 mask_keycode = 0;
583 u32 mask_keydown = 0;
584 u32 mask_keyup = 0;
585 int polling = 0;
586 int rc5_gpio = 0;
587 int nec_gpio = 0;
588 int raw_decode = 0;
589 int allow_protocol_change = 0;
590 u64 ir_type = IR_TYPE_OTHER;
591 int err;
592
593 if (dev->has_remote != SAA7134_REMOTE_GPIO)
594 return -ENODEV;
595 if (disable_ir)
596 return -ENODEV;
597
598 /* detect & configure */
599 switch (dev->board) {
600 case SAA7134_BOARD_FLYVIDEO2000:
601 case SAA7134_BOARD_FLYVIDEO3000:
602 case SAA7134_BOARD_FLYTVPLATINUM_FM:
603 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
604 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
605 ir_codes = RC_MAP_FLYVIDEO;
606 mask_keycode = 0xEC00000;
607 mask_keydown = 0x0040000;
608 break;
609 case SAA7134_BOARD_CINERGY400:
610 case SAA7134_BOARD_CINERGY600:
611 case SAA7134_BOARD_CINERGY600_MK3:
612 ir_codes = RC_MAP_CINERGY;
613 mask_keycode = 0x00003f;
614 mask_keyup = 0x040000;
615 break;
616 case SAA7134_BOARD_ECS_TVP3XP:
617 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
618 ir_codes = RC_MAP_EZTV;
619 mask_keycode = 0x00017c;
620 mask_keyup = 0x000002;
621 polling = 50; // ms
622 break;
623 case SAA7134_BOARD_KWORLD_XPERT:
624 case SAA7134_BOARD_AVACSSMARTTV:
625 ir_codes = RC_MAP_PIXELVIEW;
626 mask_keycode = 0x00001F;
627 mask_keyup = 0x000020;
628 polling = 50; // ms
629 break;
630 case SAA7134_BOARD_MD2819:
631 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
632 case SAA7134_BOARD_AVERMEDIA_305:
633 case SAA7134_BOARD_AVERMEDIA_307:
634 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
635 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
636 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
637 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
638 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
639 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
640 case SAA7134_BOARD_AVERMEDIA_M102:
641 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
642 ir_codes = RC_MAP_AVERMEDIA;
643 mask_keycode = 0x0007C8;
644 mask_keydown = 0x000010;
645 polling = 50; // ms
646 /* Set GPIO pin2 to high to enable the IR controller */
647 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
648 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
649 break;
650 case SAA7134_BOARD_AVERMEDIA_M135A:
651 ir_codes = RC_MAP_AVERMEDIA_M135A;
652 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
653 mask_keyup = 0x0040000;
654 mask_keycode = 0xffff;
655 raw_decode = 1;
656 break;
657 case SAA7134_BOARD_AVERMEDIA_M733A:
658 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
659 mask_keydown = 0x0040000;
660 mask_keyup = 0x0040000;
661 mask_keycode = 0xffff;
662 raw_decode = 1;
663 break;
664 case SAA7134_BOARD_AVERMEDIA_777:
665 case SAA7134_BOARD_AVERMEDIA_A16AR:
666 ir_codes = RC_MAP_AVERMEDIA;
667 mask_keycode = 0x02F200;
668 mask_keydown = 0x000400;
669 polling = 50; // ms
670 /* Without this we won't receive key up events */
671 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
672 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
673 break;
674 case SAA7134_BOARD_AVERMEDIA_A16D:
675 ir_codes = RC_MAP_AVERMEDIA_A16D;
676 mask_keycode = 0x02F200;
677 mask_keydown = 0x000400;
678 polling = 50; /* ms */
679 /* Without this we won't receive key up events */
680 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
681 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
682 break;
683 case SAA7134_BOARD_KWORLD_TERMINATOR:
684 ir_codes = RC_MAP_PIXELVIEW;
685 mask_keycode = 0x00001f;
686 mask_keyup = 0x000060;
687 polling = 50; // ms
688 break;
689 case SAA7134_BOARD_MANLI_MTV001:
690 case SAA7134_BOARD_MANLI_MTV002:
691 ir_codes = RC_MAP_MANLI;
692 mask_keycode = 0x001f00;
693 mask_keyup = 0x004000;
694 polling = 50; /* ms */
695 break;
696 case SAA7134_BOARD_BEHOLD_409FM:
697 case SAA7134_BOARD_BEHOLD_401:
698 case SAA7134_BOARD_BEHOLD_403:
699 case SAA7134_BOARD_BEHOLD_403FM:
700 case SAA7134_BOARD_BEHOLD_405:
701 case SAA7134_BOARD_BEHOLD_405FM:
702 case SAA7134_BOARD_BEHOLD_407:
703 case SAA7134_BOARD_BEHOLD_407FM:
704 case SAA7134_BOARD_BEHOLD_409:
705 case SAA7134_BOARD_BEHOLD_505FM:
706 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
707 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
708 case SAA7134_BOARD_BEHOLD_507_9FM:
709 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
710 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
711 ir_codes = RC_MAP_MANLI;
712 mask_keycode = 0x003f00;
713 mask_keyup = 0x004000;
714 polling = 50; /* ms */
715 break;
716 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
717 ir_codes = RC_MAP_BEHOLD_COLUMBUS;
718 mask_keycode = 0x003f00;
719 mask_keyup = 0x004000;
720 polling = 50; // ms
721 break;
722 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
723 ir_codes = RC_MAP_PCTV_SEDNA;
724 mask_keycode = 0x001f00;
725 mask_keyup = 0x004000;
726 polling = 50; // ms
727 break;
728 case SAA7134_BOARD_GOTVIEW_7135:
729 ir_codes = RC_MAP_GOTVIEW7135;
730 mask_keycode = 0x0003CC;
731 mask_keydown = 0x000010;
732 polling = 5; /* ms */
733 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
734 break;
735 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
736 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
737 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
738 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
739 mask_keycode = 0x00003F;
740 mask_keyup = 0x400000;
741 polling = 50; // ms
742 break;
743 case SAA7134_BOARD_PROTEUS_2309:
744 ir_codes = RC_MAP_PROTEUS_2309;
745 mask_keycode = 0x00007F;
746 mask_keyup = 0x000080;
747 polling = 50; // ms
748 break;
749 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
750 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
751 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
752 mask_keycode = 0x003F00;
753 mask_keyup = 0x040000;
754 break;
755 case SAA7134_BOARD_FLYDVBS_LR300:
756 case SAA7134_BOARD_FLYDVBT_LR301:
757 case SAA7134_BOARD_FLYDVBTDUO:
758 ir_codes = RC_MAP_FLYDVB;
759 mask_keycode = 0x0001F00;
760 mask_keydown = 0x0040000;
761 break;
762 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
763 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
764 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
765 ir_codes = RC_MAP_ASUS_PC39;
766 mask_keydown = 0x0040000;
767 rc5_gpio = 1;
768 break;
769 case SAA7134_BOARD_ENCORE_ENLTV:
770 case SAA7134_BOARD_ENCORE_ENLTV_FM:
771 ir_codes = RC_MAP_ENCORE_ENLTV;
772 mask_keycode = 0x00007f;
773 mask_keyup = 0x040000;
774 polling = 50; // ms
775 break;
776 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
777 ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
778 mask_keydown = 0x0040000;
779 mask_keycode = 0x00007f;
780 nec_gpio = 1;
781 break;
782 case SAA7134_BOARD_10MOONSTVMASTER3:
783 ir_codes = RC_MAP_ENCORE_ENLTV;
784 mask_keycode = 0x5f80000;
785 mask_keyup = 0x8000000;
786 polling = 50; //ms
787 break;
788 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
789 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
790 mask_keycode = 0xff;
791 mask_keydown = 0xf00000;
792 polling = 50; /* ms */
793 break;
794 case SAA7134_BOARD_REAL_ANGEL_220:
795 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
796 mask_keycode = 0x3f00;
797 mask_keyup = 0x4000;
798 polling = 50; /* ms */
799 break;
800 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
801 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
802 mask_keycode = 0x7f;
803 polling = 40; /* ms */
804 break;
805 case SAA7134_BOARD_VIDEOMATE_S350:
806 ir_codes = RC_MAP_VIDEOMATE_S350;
807 mask_keycode = 0x003f00;
808 mask_keydown = 0x040000;
809 break;
810 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
811 ir_codes = RC_MAP_WINFAST;
812 mask_keycode = 0x5f00;
813 mask_keyup = 0x020000;
814 polling = 50; /* ms */
815 break;
816 }
817 if (NULL == ir_codes) {
818 printk("%s: Oops: IR config error [card=%d]\n",
819 dev->name, dev->board);
820 return -ENODEV;
821 }
822
823 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
824 input_dev = input_allocate_device();
825 if (!ir || !input_dev) {
826 err = -ENOMEM;
827 goto err_out_free;
828 }
829
830 ir->dev = input_dev;
831 dev->remote = ir;
832
833 ir->running = 0;
834
835 /* init hardware-specific stuff */
836 ir->mask_keycode = mask_keycode;
837 ir->mask_keydown = mask_keydown;
838 ir->mask_keyup = mask_keyup;
839 ir->polling = polling;
840 ir->rc5_gpio = rc5_gpio;
841 ir->nec_gpio = nec_gpio;
842 ir->raw_decode = raw_decode;
843
844 /* init input device */
845 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
846 saa7134_boards[dev->board].name);
847 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
848 pci_name(dev->pci));
849
850
851 ir->props.priv = dev;
852 ir->props.open = saa7134_ir_open;
853 ir->props.close = saa7134_ir_close;
854
855 if (raw_decode)
856 ir->props.driver_type = RC_DRIVER_IR_RAW;
857
858 if (!raw_decode && allow_protocol_change) {
859 ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC;
860 ir->props.change_protocol = saa7134_ir_change_protocol;
861 }
862
863 err = ir_input_init(input_dev, &ir->ir, ir_type);
864 if (err < 0)
865 goto err_out_free;
866
867 input_dev->name = ir->name;
868 input_dev->phys = ir->phys;
869 input_dev->id.bustype = BUS_PCI;
870 input_dev->id.version = 1;
871 if (dev->pci->subsystem_vendor) {
872 input_dev->id.vendor = dev->pci->subsystem_vendor;
873 input_dev->id.product = dev->pci->subsystem_device;
874 } else {
875 input_dev->id.vendor = dev->pci->vendor;
876 input_dev->id.product = dev->pci->device;
877 }
878 input_dev->dev.parent = &dev->pci->dev;
879
880 err = ir_input_register(ir->dev, ir_codes, &ir->props, MODULE_NAME);
881 if (err)
882 goto err_out_free;
883
884 /* the remote isn't as bouncy as a keyboard */
885 ir->dev->rep[REP_DELAY] = repeat_delay;
886 ir->dev->rep[REP_PERIOD] = repeat_period;
887
888 return 0;
889
890 err_out_free:
891 dev->remote = NULL;
892 kfree(ir);
893 return err;
894 }
895
896 void saa7134_input_fini(struct saa7134_dev *dev)
897 {
898 if (NULL == dev->remote)
899 return;
900
901 saa7134_ir_stop(dev);
902 ir_input_unregister(dev->remote->dev);
903 kfree(dev->remote);
904 dev->remote = NULL;
905 }
906
907 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
908 {
909 struct i2c_board_info info;
910
911 struct i2c_msg msg_msi = {
912 .addr = 0x50,
913 .flags = I2C_M_RD,
914 .len = 0,
915 .buf = NULL,
916 };
917
918 int rc;
919
920 if (disable_ir) {
921 dprintk("IR has been disabled, not probing for i2c remote\n");
922 return;
923 }
924
925 memset(&info, 0, sizeof(struct i2c_board_info));
926 memset(&dev->init_data, 0, sizeof(dev->init_data));
927 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
928
929 switch (dev->board) {
930 case SAA7134_BOARD_PINNACLE_PCTV_110i:
931 case SAA7134_BOARD_PINNACLE_PCTV_310i:
932 dev->init_data.name = "Pinnacle PCTV";
933 if (pinnacle_remote == 0) {
934 dev->init_data.get_key = get_key_pinnacle_color;
935 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
936 info.addr = 0x47;
937 } else {
938 dev->init_data.get_key = get_key_pinnacle_grey;
939 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
940 info.addr = 0x47;
941 }
942 break;
943 case SAA7134_BOARD_UPMOST_PURPLE_TV:
944 dev->init_data.name = "Purple TV";
945 dev->init_data.get_key = get_key_purpletv;
946 dev->init_data.ir_codes = RC_MAP_PURPLETV;
947 info.addr = 0x7a;
948 break;
949 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
950 dev->init_data.name = "MSI TV@nywhere Plus";
951 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
952 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
953 info.addr = 0x30;
954 /* MSI TV@nywhere Plus controller doesn't seem to
955 respond to probes unless we read something from
956 an existing device. Weird...
957 REVISIT: might no longer be needed */
958 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
959 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
960 msg_msi.addr, dev->i2c_adap.name,
961 (1 == rc) ? "yes" : "no");
962 break;
963 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
964 dev->init_data.name = "HVR 1110";
965 dev->init_data.get_key = get_key_hvr1110;
966 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW;
967 info.addr = 0x71;
968 break;
969 case SAA7134_BOARD_BEHOLD_607FM_MK3:
970 case SAA7134_BOARD_BEHOLD_607FM_MK5:
971 case SAA7134_BOARD_BEHOLD_609FM_MK3:
972 case SAA7134_BOARD_BEHOLD_609FM_MK5:
973 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
974 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
975 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
976 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
977 case SAA7134_BOARD_BEHOLD_M6:
978 case SAA7134_BOARD_BEHOLD_M63:
979 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
980 case SAA7134_BOARD_BEHOLD_H6:
981 case SAA7134_BOARD_BEHOLD_X7:
982 case SAA7134_BOARD_BEHOLD_H7:
983 case SAA7134_BOARD_BEHOLD_A7:
984 dev->init_data.name = "BeholdTV";
985 dev->init_data.get_key = get_key_beholdm6xx;
986 dev->init_data.ir_codes = RC_MAP_BEHOLD;
987 dev->init_data.type = IR_TYPE_NEC;
988 info.addr = 0x2d;
989 break;
990 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
991 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
992 info.addr = 0x40;
993 break;
994 case SAA7134_BOARD_FLYDVB_TRIO:
995 dev->init_data.name = "FlyDVB Trio";
996 dev->init_data.get_key = get_key_flydvb_trio;
997 dev->init_data.ir_codes = RC_MAP_FLYDVB;
998 info.addr = 0x0b;
999 break;
1000 default:
1001 dprintk("No I2C IR support for board %x\n", dev->board);
1002 return;
1003 }
1004
1005 if (dev->init_data.name)
1006 info.platform_data = &dev->init_data;
1007 i2c_new_device(&dev->i2c_adap, &info);
1008 }
1009
1010 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1011 {
1012 struct card_ir *ir = dev->remote;
1013 unsigned long timeout;
1014 int space;
1015
1016 /* Generate initial event */
1017 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1018 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1019 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1020 ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
1021
1022
1023 /*
1024 * Wait 15 ms from the start of the first IR event before processing
1025 * the event. This time is enough for NEC protocol. May need adjustments
1026 * to work with other protocols.
1027 */
1028 if (!ir->active) {
1029 timeout = jiffies + jiffies_to_msecs(15);
1030 mod_timer(&ir->timer_end, timeout);
1031 ir->active = 1;
1032 }
1033
1034 return 1;
1035 }
1036
1037 static int saa7134_rc5_irq(struct saa7134_dev *dev)
1038 {
1039 struct card_ir *ir = dev->remote;
1040 struct timeval tv;
1041 u32 gap;
1042 unsigned long current_jiffies, timeout;
1043
1044 /* get time of bit */
1045 current_jiffies = jiffies;
1046 do_gettimeofday(&tv);
1047
1048 /* avoid overflow with gap >1s */
1049 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
1050 gap = 200000;
1051 } else {
1052 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
1053 tv.tv_usec - ir->base_time.tv_usec;
1054 }
1055
1056 /* active code => add bit */
1057 if (ir->active) {
1058 /* only if in the code (otherwise spurious IRQ or timer
1059 late) */
1060 if (ir->last_bit < 28) {
1061 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
1062 ir_rc5_remote_gap;
1063 ir->code |= 1 << ir->last_bit;
1064 }
1065 /* starting new code */
1066 } else {
1067 ir->active = 1;
1068 ir->code = 0;
1069 ir->base_time = tv;
1070 ir->last_bit = 0;
1071
1072 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
1073 mod_timer(&ir->timer_end, timeout);
1074 }
1075
1076 return 1;
1077 }
1078
1079 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
1080 The first pulse (start) has 9 + 4.5 ms
1081 */
1082
1083 static void saa7134_nec_timer(unsigned long data)
1084 {
1085 struct saa7134_dev *dev = (struct saa7134_dev *) data;
1086 struct card_ir *ir = dev->remote;
1087
1088 dprintk("Cancel key repeat\n");
1089
1090 ir_input_nokey(ir->dev, &ir->ir);
1091 }
1092
1093 static void nec_task(unsigned long data)
1094 {
1095 struct saa7134_dev *dev = (struct saa7134_dev *) data;
1096 struct card_ir *ir;
1097 struct timeval tv;
1098 int count, pulse, oldpulse, gap;
1099 u32 ircode = 0, not_code = 0;
1100 int ngap = 0;
1101
1102 if (!data) {
1103 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
1104 /* GPIO will be kept disabled */
1105 return;
1106 }
1107
1108 ir = dev->remote;
1109
1110 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1111 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1112 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1113
1114 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1115 pulse = oldpulse;
1116
1117 do_gettimeofday(&tv);
1118 ir->base_time = tv;
1119
1120 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
1121 Unfortunately, using IRQ to decode pulse didn't work, since it uses
1122 a pulse train of 38KHz. This means one pulse on each 52 us
1123 */
1124 do {
1125 /* Wait until the end of pulse/space or 5 ms */
1126 for (count = 0; count < 500; count++) {
1127 udelay(10);
1128 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1129 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1130 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1131 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
1132 & ir->mask_keydown;
1133 if (pulse != oldpulse)
1134 break;
1135 }
1136
1137 do_gettimeofday(&tv);
1138 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
1139 tv.tv_usec - ir->base_time.tv_usec;
1140
1141 if (!pulse) {
1142 /* Bit 0 has 560 us, while bit 1 has 1120 us.
1143 Do something only if bit == 1
1144 */
1145 if (ngap && (gap > 560 + 280)) {
1146 unsigned int shift = ngap - 1;
1147
1148 /* Address first, then command */
1149 if (shift < 8) {
1150 shift += 8;
1151 ircode |= 1 << shift;
1152 } else if (shift < 16) {
1153 not_code |= 1 << shift;
1154 } else if (shift < 24) {
1155 shift -= 16;
1156 ircode |= 1 << shift;
1157 } else {
1158 shift -= 24;
1159 not_code |= 1 << shift;
1160 }
1161 }
1162 ngap++;
1163 }
1164
1165
1166 ir->base_time = tv;
1167
1168 /* TIMEOUT - Long pulse */
1169 if (gap >= 5000)
1170 break;
1171 oldpulse = pulse;
1172 } while (ngap < 32);
1173
1174 if (ngap == 32) {
1175 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
1176
1177 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
1178 ir->code, ircode, not_code);
1179
1180 ir_input_keydown(ir->dev, &ir->ir, ir->code);
1181 } else
1182 dprintk("Repeat last key\n");
1183
1184 /* Keep repeating the last key */
1185 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
1186
1187 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
1188 }
1189
1190 static int saa7134_nec_irq(struct saa7134_dev *dev)
1191 {
1192 struct card_ir *ir = dev->remote;
1193
1194 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
1195 tasklet_schedule(&ir->tlet);
1196
1197 return 1;
1198 }
Tomato firmware and modifications.