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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[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/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 /* The grey pinnacle PCTV remote
371 *
372 * There are one issue with this remote:
373 * - I2c packet does not change when the same key is pressed quickly. The workaround
374 * is to hold down each key for about half a second, so that another code is generated
375 * in the i2c packet, and the function can distinguish key presses.
376 *
377 * Sylvain Pasche <sylvain.pasche@gmail.com>
378 */
379 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
380 {
381
382 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
383 }
384
385
386 /* The new pinnacle PCTV remote (with the colored buttons)
387 *
388 * Ricardo Cerqueira <v4l@cerqueira.org>
389 */
390 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
391 {
392 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
393 *
394 * this is the only value that results in 42 unique
395 * codes < 128
396 */
397
398 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
399 }
400
401 void saa7134_input_irq(struct saa7134_dev *dev)
402 {
403 struct card_ir *ir;
404
405 if (!dev || !dev->remote)
406 return;
407
408 ir = dev->remote;
409 if (!ir->running)
410 return;
411
412 if (ir->nec_gpio) {
413 saa7134_nec_irq(dev);
414 } else if (!ir->polling && !ir->rc5_gpio && !ir->raw_decode) {
415 build_key(dev);
416 } else if (ir->rc5_gpio) {
417 saa7134_rc5_irq(dev);
418 } else if (ir->raw_decode) {
419 saa7134_raw_decode_irq(dev);
420 }
421 }
422
423 static void saa7134_input_timer(unsigned long data)
424 {
425 struct saa7134_dev *dev = (struct saa7134_dev *)data;
426 struct card_ir *ir = dev->remote;
427
428 build_key(dev);
429 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
430 }
431
432 void ir_raw_decode_timer_end(unsigned long data)
433 {
434 struct saa7134_dev *dev = (struct saa7134_dev *)data;
435 struct card_ir *ir = dev->remote;
436
437 ir_raw_event_handle(dev->remote->dev);
438
439 ir->active = 0;
440 }
441
442 static int __saa7134_ir_start(void *priv)
443 {
444 struct saa7134_dev *dev = priv;
445 struct card_ir *ir;
446
447 if (!dev)
448 return -EINVAL;
449
450 ir = dev->remote;
451 if (!ir)
452 return -EINVAL;
453
454 if (ir->running)
455 return 0;
456
457 ir->running = 1;
458 if (ir->polling) {
459 setup_timer(&ir->timer, saa7134_input_timer,
460 (unsigned long)dev);
461 ir->timer.expires = jiffies + HZ;
462 add_timer(&ir->timer);
463 } else if (ir->rc5_gpio) {
464 /* set timer_end for code completion */
465 init_timer(&ir->timer_end);
466 ir->timer_end.function = ir_rc5_timer_end;
467 ir->timer_end.data = (unsigned long)ir;
468 init_timer(&ir->timer_keyup);
469 ir->timer_keyup.function = ir_rc5_timer_keyup;
470 ir->timer_keyup.data = (unsigned long)ir;
471 ir->shift_by = 2;
472 ir->start = 0x2;
473 ir->addr = 0x17;
474 ir->rc5_key_timeout = ir_rc5_key_timeout;
475 ir->rc5_remote_gap = ir_rc5_remote_gap;
476 } else if (ir->nec_gpio) {
477 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
478 (unsigned long)dev);
479 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
480 } else if (ir->raw_decode) {
481 /* set timer_end for code completion */
482 init_timer(&ir->timer_end);
483 ir->timer_end.function = ir_raw_decode_timer_end;
484 ir->timer_end.data = (unsigned long)dev;
485 ir->active = 0;
486 }
487
488 return 0;
489 }
490
491 static void __saa7134_ir_stop(void *priv)
492 {
493 struct saa7134_dev *dev = priv;
494 struct card_ir *ir;
495
496 if (!dev)
497 return;
498
499 ir = dev->remote;
500 if (!ir)
501 return;
502
503 if (!ir->running)
504 return;
505 if (dev->remote->polling)
506 del_timer_sync(&dev->remote->timer);
507 else if (ir->rc5_gpio)
508 del_timer_sync(&ir->timer_end);
509 else if (ir->nec_gpio)
510 tasklet_kill(&ir->tlet);
511 else if (ir->raw_decode) {
512 del_timer_sync(&ir->timer_end);
513 ir->active = 0;
514 }
515
516 ir->running = 0;
517
518 return;
519 }
520
521 int saa7134_ir_start(struct saa7134_dev *dev)
522 {
523 if (dev->remote->users)
524 return __saa7134_ir_start(dev);
525
526 return 0;
527 }
528
529 void saa7134_ir_stop(struct saa7134_dev *dev)
530 {
531 if (dev->remote->users)
532 __saa7134_ir_stop(dev);
533 }
534
535 static int saa7134_ir_open(void *priv)
536 {
537 struct saa7134_dev *dev = priv;
538
539 dev->remote->users++;
540 return __saa7134_ir_start(dev);
541 }
542
543 static void saa7134_ir_close(void *priv)
544 {
545 struct saa7134_dev *dev = priv;
546
547 dev->remote->users--;
548 if (!dev->remote->users)
549 __saa7134_ir_stop(dev);
550 }
551
552
553 int saa7134_ir_change_protocol(void *priv, u64 ir_type)
554 {
555 struct saa7134_dev *dev = priv;
556 struct card_ir *ir = dev->remote;
557 u32 nec_gpio, rc5_gpio;
558
559 if (ir_type == IR_TYPE_RC5) {
560 dprintk("Changing protocol to RC5\n");
561 nec_gpio = 0;
562 rc5_gpio = 1;
563 } else if (ir_type == IR_TYPE_NEC) {
564 dprintk("Changing protocol to NEC\n");
565 nec_gpio = 1;
566 rc5_gpio = 0;
567 } else {
568 dprintk("IR protocol type %ud is not supported\n",
569 (unsigned)ir_type);
570 return -EINVAL;
571 }
572
573 if (ir->running) {
574 saa7134_ir_stop(dev);
575 ir->nec_gpio = nec_gpio;
576 ir->rc5_gpio = rc5_gpio;
577 saa7134_ir_start(dev);
578 } else {
579 ir->nec_gpio = nec_gpio;
580 ir->rc5_gpio = rc5_gpio;
581 }
582
583 return 0;
584 }
585
586 int saa7134_input_init1(struct saa7134_dev *dev)
587 {
588 struct card_ir *ir;
589 struct input_dev *input_dev;
590 char *ir_codes = NULL;
591 u32 mask_keycode = 0;
592 u32 mask_keydown = 0;
593 u32 mask_keyup = 0;
594 int polling = 0;
595 int rc5_gpio = 0;
596 int nec_gpio = 0;
597 int raw_decode = 0;
598 int allow_protocol_change = 0;
599 u64 ir_type = IR_TYPE_OTHER;
600 int err;
601
602 if (dev->has_remote != SAA7134_REMOTE_GPIO)
603 return -ENODEV;
604 if (disable_ir)
605 return -ENODEV;
606
607 /* detect & configure */
608 switch (dev->board) {
609 case SAA7134_BOARD_FLYVIDEO2000:
610 case SAA7134_BOARD_FLYVIDEO3000:
611 case SAA7134_BOARD_FLYTVPLATINUM_FM:
612 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
613 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
614 ir_codes = RC_MAP_FLYVIDEO;
615 mask_keycode = 0xEC00000;
616 mask_keydown = 0x0040000;
617 break;
618 case SAA7134_BOARD_CINERGY400:
619 case SAA7134_BOARD_CINERGY600:
620 case SAA7134_BOARD_CINERGY600_MK3:
621 ir_codes = RC_MAP_CINERGY;
622 mask_keycode = 0x00003f;
623 mask_keyup = 0x040000;
624 break;
625 case SAA7134_BOARD_ECS_TVP3XP:
626 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
627 ir_codes = RC_MAP_EZTV;
628 mask_keycode = 0x00017c;
629 mask_keyup = 0x000002;
630 polling = 50; // ms
631 break;
632 case SAA7134_BOARD_KWORLD_XPERT:
633 case SAA7134_BOARD_AVACSSMARTTV:
634 ir_codes = RC_MAP_PIXELVIEW;
635 mask_keycode = 0x00001F;
636 mask_keyup = 0x000020;
637 polling = 50; // ms
638 break;
639 case SAA7134_BOARD_MD2819:
640 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
641 case SAA7134_BOARD_AVERMEDIA_305:
642 case SAA7134_BOARD_AVERMEDIA_307:
643 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
644 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
645 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
646 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
647 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
648 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
649 case SAA7134_BOARD_AVERMEDIA_M102:
650 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
651 ir_codes = RC_MAP_AVERMEDIA;
652 mask_keycode = 0x0007C8;
653 mask_keydown = 0x000010;
654 polling = 50; // ms
655 /* Set GPIO pin2 to high to enable the IR controller */
656 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
657 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
658 break;
659 case SAA7134_BOARD_AVERMEDIA_M135A:
660 ir_codes = RC_MAP_AVERMEDIA_M135A;
661 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
662 mask_keyup = 0x0040000;
663 mask_keycode = 0xffff;
664 raw_decode = 1;
665 break;
666 case SAA7134_BOARD_AVERMEDIA_M733A:
667 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
668 mask_keydown = 0x0040000;
669 mask_keyup = 0x0040000;
670 mask_keycode = 0xffff;
671 raw_decode = 1;
672 break;
673 case SAA7134_BOARD_AVERMEDIA_777:
674 case SAA7134_BOARD_AVERMEDIA_A16AR:
675 ir_codes = RC_MAP_AVERMEDIA;
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_AVERMEDIA_A16D:
684 ir_codes = RC_MAP_AVERMEDIA_A16D;
685 mask_keycode = 0x02F200;
686 mask_keydown = 0x000400;
687 polling = 50; /* ms */
688 /* Without this we won't receive key up events */
689 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
690 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
691 break;
692 case SAA7134_BOARD_KWORLD_TERMINATOR:
693 ir_codes = RC_MAP_PIXELVIEW;
694 mask_keycode = 0x00001f;
695 mask_keyup = 0x000060;
696 polling = 50; // ms
697 break;
698 case SAA7134_BOARD_MANLI_MTV001:
699 case SAA7134_BOARD_MANLI_MTV002:
700 ir_codes = RC_MAP_MANLI;
701 mask_keycode = 0x001f00;
702 mask_keyup = 0x004000;
703 polling = 50; /* ms */
704 break;
705 case SAA7134_BOARD_BEHOLD_409FM:
706 case SAA7134_BOARD_BEHOLD_401:
707 case SAA7134_BOARD_BEHOLD_403:
708 case SAA7134_BOARD_BEHOLD_403FM:
709 case SAA7134_BOARD_BEHOLD_405:
710 case SAA7134_BOARD_BEHOLD_405FM:
711 case SAA7134_BOARD_BEHOLD_407:
712 case SAA7134_BOARD_BEHOLD_407FM:
713 case SAA7134_BOARD_BEHOLD_409:
714 case SAA7134_BOARD_BEHOLD_505FM:
715 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
716 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
717 case SAA7134_BOARD_BEHOLD_507_9FM:
718 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
719 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
720 ir_codes = RC_MAP_MANLI;
721 mask_keycode = 0x003f00;
722 mask_keyup = 0x004000;
723 polling = 50; /* ms */
724 break;
725 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
726 ir_codes = RC_MAP_BEHOLD_COLUMBUS;
727 mask_keycode = 0x003f00;
728 mask_keyup = 0x004000;
729 polling = 50; // ms
730 break;
731 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
732 ir_codes = RC_MAP_PCTV_SEDNA;
733 mask_keycode = 0x001f00;
734 mask_keyup = 0x004000;
735 polling = 50; // ms
736 break;
737 case SAA7134_BOARD_GOTVIEW_7135:
738 ir_codes = RC_MAP_GOTVIEW7135;
739 mask_keycode = 0x0003CC;
740 mask_keydown = 0x000010;
741 polling = 5; /* ms */
742 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
743 break;
744 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
745 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
746 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
747 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
748 mask_keycode = 0x00003F;
749 mask_keyup = 0x400000;
750 polling = 50; // ms
751 break;
752 case SAA7134_BOARD_PROTEUS_2309:
753 ir_codes = RC_MAP_PROTEUS_2309;
754 mask_keycode = 0x00007F;
755 mask_keyup = 0x000080;
756 polling = 50; // ms
757 break;
758 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
759 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
760 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
761 mask_keycode = 0x003F00;
762 mask_keyup = 0x040000;
763 break;
764 case SAA7134_BOARD_FLYDVBS_LR300:
765 case SAA7134_BOARD_FLYDVBT_LR301:
766 case SAA7134_BOARD_FLYDVBTDUO:
767 ir_codes = RC_MAP_FLYDVB;
768 mask_keycode = 0x0001F00;
769 mask_keydown = 0x0040000;
770 break;
771 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
772 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
773 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
774 ir_codes = RC_MAP_ASUS_PC39;
775 mask_keydown = 0x0040000;
776 rc5_gpio = 1;
777 break;
778 case SAA7134_BOARD_ENCORE_ENLTV:
779 case SAA7134_BOARD_ENCORE_ENLTV_FM:
780 ir_codes = RC_MAP_ENCORE_ENLTV;
781 mask_keycode = 0x00007f;
782 mask_keyup = 0x040000;
783 polling = 50; // ms
784 break;
785 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
786 ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
787 mask_keydown = 0x0040000;
788 mask_keycode = 0x00007f;
789 nec_gpio = 1;
790 break;
791 case SAA7134_BOARD_10MOONSTVMASTER3:
792 ir_codes = RC_MAP_ENCORE_ENLTV;
793 mask_keycode = 0x5f80000;
794 mask_keyup = 0x8000000;
795 polling = 50; //ms
796 break;
797 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
798 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
799 mask_keycode = 0xff;
800 mask_keydown = 0xf00000;
801 polling = 50; /* ms */
802 break;
803 case SAA7134_BOARD_REAL_ANGEL_220:
804 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
805 mask_keycode = 0x3f00;
806 mask_keyup = 0x4000;
807 polling = 50; /* ms */
808 break;
809 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
810 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
811 mask_keycode = 0x7f;
812 polling = 40; /* ms */
813 break;
814 case SAA7134_BOARD_VIDEOMATE_S350:
815 ir_codes = RC_MAP_VIDEOMATE_S350;
816 mask_keycode = 0x003f00;
817 mask_keydown = 0x040000;
818 break;
819 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
820 ir_codes = RC_MAP_WINFAST;
821 mask_keycode = 0x5f00;
822 mask_keyup = 0x020000;
823 polling = 50; /* ms */
824 break;
825 }
826 if (NULL == ir_codes) {
827 printk("%s: Oops: IR config error [card=%d]\n",
828 dev->name, dev->board);
829 return -ENODEV;
830 }
831
832 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
833 input_dev = input_allocate_device();
834 if (!ir || !input_dev) {
835 err = -ENOMEM;
836 goto err_out_free;
837 }
838
839 ir->dev = input_dev;
840 dev->remote = ir;
841
842 ir->running = 0;
843
844 /* init hardware-specific stuff */
845 ir->mask_keycode = mask_keycode;
846 ir->mask_keydown = mask_keydown;
847 ir->mask_keyup = mask_keyup;
848 ir->polling = polling;
849 ir->rc5_gpio = rc5_gpio;
850 ir->nec_gpio = nec_gpio;
851 ir->raw_decode = raw_decode;
852
853 /* init input device */
854 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
855 saa7134_boards[dev->board].name);
856 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
857 pci_name(dev->pci));
858
859
860 ir->props.priv = dev;
861 ir->props.open = saa7134_ir_open;
862 ir->props.close = saa7134_ir_close;
863
864 if (raw_decode)
865 ir->props.driver_type = RC_DRIVER_IR_RAW;
866
867 if (!raw_decode && allow_protocol_change) {
868 ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC;
869 ir->props.change_protocol = saa7134_ir_change_protocol;
870 }
871
872 err = ir_input_init(input_dev, &ir->ir, ir_type);
873 if (err < 0)
874 goto err_out_free;
875
876 input_dev->name = ir->name;
877 input_dev->phys = ir->phys;
878 input_dev->id.bustype = BUS_PCI;
879 input_dev->id.version = 1;
880 if (dev->pci->subsystem_vendor) {
881 input_dev->id.vendor = dev->pci->subsystem_vendor;
882 input_dev->id.product = dev->pci->subsystem_device;
883 } else {
884 input_dev->id.vendor = dev->pci->vendor;
885 input_dev->id.product = dev->pci->device;
886 }
887 input_dev->dev.parent = &dev->pci->dev;
888
889 err = ir_input_register(ir->dev, ir_codes, &ir->props, MODULE_NAME);
890 if (err)
891 goto err_out_free;
892
893 /* the remote isn't as bouncy as a keyboard */
894 ir->dev->rep[REP_DELAY] = repeat_delay;
895 ir->dev->rep[REP_PERIOD] = repeat_period;
896
897 return 0;
898
899 err_out_free:
900 dev->remote = NULL;
901 kfree(ir);
902 return err;
903 }
904
905 void saa7134_input_fini(struct saa7134_dev *dev)
906 {
907 if (NULL == dev->remote)
908 return;
909
910 saa7134_ir_stop(dev);
911 ir_input_unregister(dev->remote->dev);
912 kfree(dev->remote);
913 dev->remote = NULL;
914 }
915
916 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
917 {
918 struct i2c_board_info info;
919
920 struct i2c_msg msg_msi = {
921 .addr = 0x50,
922 .flags = I2C_M_RD,
923 .len = 0,
924 .buf = NULL,
925 };
926
927 int rc;
928
929 if (disable_ir) {
930 dprintk("IR has been disabled, not probing for i2c remote\n");
931 return;
932 }
933
934 memset(&info, 0, sizeof(struct i2c_board_info));
935 memset(&dev->init_data, 0, sizeof(dev->init_data));
936 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
937
938 switch (dev->board) {
939 case SAA7134_BOARD_PINNACLE_PCTV_110i:
940 case SAA7134_BOARD_PINNACLE_PCTV_310i:
941 dev->init_data.name = "Pinnacle PCTV";
942 if (pinnacle_remote == 0) {
943 dev->init_data.get_key = get_key_pinnacle_color;
944 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
945 info.addr = 0x47;
946 } else {
947 dev->init_data.get_key = get_key_pinnacle_grey;
948 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
949 info.addr = 0x47;
950 }
951 break;
952 case SAA7134_BOARD_UPMOST_PURPLE_TV:
953 dev->init_data.name = "Purple TV";
954 dev->init_data.get_key = get_key_purpletv;
955 dev->init_data.ir_codes = RC_MAP_PURPLETV;
956 info.addr = 0x7a;
957 break;
958 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
959 dev->init_data.name = "MSI TV@nywhere Plus";
960 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
961 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
962 info.addr = 0x30;
963 /* MSI TV@nywhere Plus controller doesn't seem to
964 respond to probes unless we read something from
965 an existing device. Weird...
966 REVISIT: might no longer be needed */
967 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
968 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
969 msg_msi.addr, dev->i2c_adap.name,
970 (1 == rc) ? "yes" : "no");
971 break;
972 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
973 dev->init_data.name = "HVR 1110";
974 dev->init_data.get_key = get_key_hvr1110;
975 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW;
976 info.addr = 0x71;
977 break;
978 case SAA7134_BOARD_BEHOLD_607FM_MK3:
979 case SAA7134_BOARD_BEHOLD_607FM_MK5:
980 case SAA7134_BOARD_BEHOLD_609FM_MK3:
981 case SAA7134_BOARD_BEHOLD_609FM_MK5:
982 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
983 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
984 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
985 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
986 case SAA7134_BOARD_BEHOLD_M6:
987 case SAA7134_BOARD_BEHOLD_M63:
988 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
989 case SAA7134_BOARD_BEHOLD_H6:
990 case SAA7134_BOARD_BEHOLD_X7:
991 case SAA7134_BOARD_BEHOLD_H7:
992 case SAA7134_BOARD_BEHOLD_A7:
993 dev->init_data.name = "BeholdTV";
994 dev->init_data.get_key = get_key_beholdm6xx;
995 dev->init_data.ir_codes = RC_MAP_BEHOLD;
996 dev->init_data.type = IR_TYPE_NEC;
997 info.addr = 0x2d;
998 break;
999 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
1000 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
1001 info.addr = 0x40;
1002 break;
1003 case SAA7134_BOARD_FLYDVB_TRIO:
1004 dev->init_data.name = "FlyDVB Trio";
1005 dev->init_data.get_key = get_key_flydvb_trio;
1006 dev->init_data.ir_codes = RC_MAP_FLYDVB;
1007 info.addr = 0x0b;
1008 break;
1009 default:
1010 dprintk("No I2C IR support for board %x\n", dev->board);
1011 return;
1012 }
1013
1014 if (dev->init_data.name)
1015 info.platform_data = &dev->init_data;
1016 i2c_new_device(&dev->i2c_adap, &info);
1017 }
1018
1019 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1020 {
1021 struct card_ir *ir = dev->remote;
1022 unsigned long timeout;
1023 int space;
1024
1025 /* Generate initial event */
1026 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1027 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1028 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1029 ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
1030
1031
1032 /*
1033 * Wait 15 ms from the start of the first IR event before processing
1034 * the event. This time is enough for NEC protocol. May need adjustments
1035 * to work with other protocols.
1036 */
1037 if (!ir->active) {
1038 timeout = jiffies + jiffies_to_msecs(15);
1039 mod_timer(&ir->timer_end, timeout);
1040 ir->active = 1;
1041 }
1042
1043 return 1;
1044 }
1045
1046 static int saa7134_rc5_irq(struct saa7134_dev *dev)
1047 {
1048 struct card_ir *ir = dev->remote;
1049 struct timeval tv;
1050 u32 gap;
1051 unsigned long current_jiffies, timeout;
1052
1053 /* get time of bit */
1054 current_jiffies = jiffies;
1055 do_gettimeofday(&tv);
1056
1057 /* avoid overflow with gap >1s */
1058 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
1059 gap = 200000;
1060 } else {
1061 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
1062 tv.tv_usec - ir->base_time.tv_usec;
1063 }
1064
1065 /* active code => add bit */
1066 if (ir->active) {
1067 /* only if in the code (otherwise spurious IRQ or timer
1068 late) */
1069 if (ir->last_bit < 28) {
1070 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
1071 ir_rc5_remote_gap;
1072 ir->code |= 1 << ir->last_bit;
1073 }
1074 /* starting new code */
1075 } else {
1076 ir->active = 1;
1077 ir->code = 0;
1078 ir->base_time = tv;
1079 ir->last_bit = 0;
1080
1081 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
1082 mod_timer(&ir->timer_end, timeout);
1083 }
1084
1085 return 1;
1086 }
1087
1088 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
1089 The first pulse (start) has 9 + 4.5 ms
1090 */
1091
1092 static void saa7134_nec_timer(unsigned long data)
1093 {
1094 struct saa7134_dev *dev = (struct saa7134_dev *) data;
1095 struct card_ir *ir = dev->remote;
1096
1097 dprintk("Cancel key repeat\n");
1098
1099 ir_input_nokey(ir->dev, &ir->ir);
1100 }
1101
1102 static void nec_task(unsigned long data)
1103 {
1104 struct saa7134_dev *dev = (struct saa7134_dev *) data;
1105 struct card_ir *ir;
1106 struct timeval tv;
1107 int count, pulse, oldpulse, gap;
1108 u32 ircode = 0, not_code = 0;
1109 int ngap = 0;
1110
1111 if (!data) {
1112 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
1113 /* GPIO will be kept disabled */
1114 return;
1115 }
1116
1117 ir = dev->remote;
1118
1119 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1120 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1121 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1122
1123 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1124 pulse = oldpulse;
1125
1126 do_gettimeofday(&tv);
1127 ir->base_time = tv;
1128
1129 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
1130 Unfortunately, using IRQ to decode pulse didn't work, since it uses
1131 a pulse train of 38KHz. This means one pulse on each 52 us
1132 */
1133 do {
1134 /* Wait until the end of pulse/space or 5 ms */
1135 for (count = 0; count < 500; count++) {
1136 udelay(10);
1137 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1138 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1139 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1140 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
1141 & ir->mask_keydown;
1142 if (pulse != oldpulse)
1143 break;
1144 }
1145
1146 do_gettimeofday(&tv);
1147 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
1148 tv.tv_usec - ir->base_time.tv_usec;
1149
1150 if (!pulse) {
1151 /* Bit 0 has 560 us, while bit 1 has 1120 us.
1152 Do something only if bit == 1
1153 */
1154 if (ngap && (gap > 560 + 280)) {
1155 unsigned int shift = ngap - 1;
1156
1157 /* Address first, then command */
1158 if (shift < 8) {
1159 shift += 8;
1160 ircode |= 1 << shift;
1161 } else if (shift < 16) {
1162 not_code |= 1 << shift;
1163 } else if (shift < 24) {
1164 shift -= 16;
1165 ircode |= 1 << shift;
1166 } else {
1167 shift -= 24;
1168 not_code |= 1 << shift;
1169 }
1170 }
1171 ngap++;
1172 }
1173
1174
1175 ir->base_time = tv;
1176
1177 /* TIMEOUT - Long pulse */
1178 if (gap >= 5000)
1179 break;
1180 oldpulse = pulse;
1181 } while (ngap < 32);
1182
1183 if (ngap == 32) {
1184 /* FIXME: should check if not_code == ~ircode */
1185 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
1186
1187 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
1188 ir->code, ircode, not_code);
1189
1190 ir_input_keydown(ir->dev, &ir->ir, ir->code);
1191 } else
1192 dprintk("Repeat last key\n");
1193
1194 /* Keep repeating the last key */
1195 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
1196
1197 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
1198 }
1199
1200 static int saa7134_nec_irq(struct saa7134_dev *dev)
1201 {
1202 struct card_ir *ir = dev->remote;
1203
1204 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
1205 tasklet_schedule(&ir->tlet);
1206
1207 return 1;
1208 }
Linux kernel - Deliverables
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