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Merge tag 'iio-fixes-for-4.10a' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-artful-kernel.git] / drivers / media / pci / 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 "saa7134.h"
22 #include "saa7134-reg.h"
23
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/slab.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 input_dbg(fmt, arg...) do { \
45 if (ir_debug) \
46 printk(KERN_DEBUG pr_fmt("input: " fmt), ## arg); \
47 } while (0)
48 #define ir_dbg(ir, fmt, arg...) do { \
49 if (ir_debug) \
50 printk(KERN_DEBUG pr_fmt("ir %s: " fmt), ir->name, ## arg); \
51 } while (0)
52
53 /* Helper function for raw decoding at GPIO16 or GPIO18 */
54 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
55
56 /* -------------------- GPIO generic keycode builder -------------------- */
57
58 static int build_key(struct saa7134_dev *dev)
59 {
60 struct saa7134_card_ir *ir = dev->remote;
61 u32 gpio, data;
62
63 /* here comes the additional handshake steps for some cards */
64 switch (dev->board) {
65 case SAA7134_BOARD_GOTVIEW_7135:
66 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
67 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
68 break;
69 }
70 /* rising SAA7134_GPIO_GPRESCAN reads the status */
71 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
72 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
73
74 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
75 if (ir->polling) {
76 if (ir->last_gpio == gpio)
77 return 0;
78 ir->last_gpio = gpio;
79 }
80
81 data = ir_extract_bits(gpio, ir->mask_keycode);
82 input_dbg("build_key gpio=0x%x mask=0x%x data=%d\n",
83 gpio, ir->mask_keycode, data);
84
85 switch (dev->board) {
86 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
87 if (data == ir->mask_keycode)
88 rc_keyup(ir->dev);
89 else
90 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
91 return 0;
92 }
93
94 if (ir->polling) {
95 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
96 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
97 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
98 } else {
99 rc_keyup(ir->dev);
100 }
101 }
102 else { /* IRQ driven mode - handle key press and release in one go */
103 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
104 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
105 rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
106 rc_keyup(ir->dev);
107 }
108 }
109
110 return 0;
111 }
112
113 /* --------------------- Chip specific I2C key builders ----------------- */
114
115 static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_type *protocol,
116 u32 *scancode, u8 *toggle)
117 {
118 int gpio;
119 int attempt = 0;
120 unsigned char b;
121
122 /* We need this to access GPI Used by the saa_readl macro. */
123 struct saa7134_dev *dev = ir->c->adapter->algo_data;
124
125 if (dev == NULL) {
126 ir_dbg(ir, "get_key_flydvb_trio: ir->c->adapter->algo_data is NULL!\n");
127 return -EIO;
128 }
129
130 /* rising SAA7134_GPIGPRESCAN reads the status */
131 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
132 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
133
134 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
135
136 if (0x40000 & ~gpio)
137 return 0; /* No button press */
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 ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",
153 attempt);
154 return -EIO;
155 }
156 if (1 != i2c_master_recv(ir->c, &b, 1)) {
157 ir_dbg(ir, "read error\n");
158 return -EIO;
159 }
160
161 *protocol = RC_TYPE_UNKNOWN;
162 *scancode = b;
163 *toggle = 0;
164 return 1;
165 }
166
167 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, enum rc_type *protocol,
168 u32 *scancode, u8 *toggle)
169 {
170 unsigned char b;
171 int gpio;
172
173 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
174 struct saa7134_dev *dev = ir->c->adapter->algo_data;
175 if (dev == NULL) {
176 ir_dbg(ir, "get_key_msi_tvanywhere_plus: 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 ir_dbg(ir, "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 input_dbg("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
208 *protocol = RC_TYPE_UNKNOWN;
209 *scancode = b;
210 *toggle = 0;
211 return 1;
212 }
213
214 /* copied and modified from get_key_msi_tvanywhere_plus() */
215 static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_type *protocol,
216 u32 *scancode, u8 *toggle)
217 {
218 unsigned char b;
219 unsigned int gpio;
220
221 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
222 struct saa7134_dev *dev = ir->c->adapter->algo_data;
223 if (dev == NULL) {
224 ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");
225 return -EIO;
226 }
227
228 /* rising SAA7134_GPIO_GPRESCAN reads the status */
229
230 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
231 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
232
233 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
234
235 /* GPIO&0x100 is pulsed low when a button is pressed. Don't do
236 I2C receive if gpio&0x100 is not low. */
237
238 if (gpio & 0x100)
239 return 0; /* No button press */
240
241 /* GPIO says there is a button press. Get it. */
242
243 if (1 != i2c_master_recv(ir->c, &b, 1)) {
244 ir_dbg(ir, "read error\n");
245 return -EIO;
246 }
247
248 /* No button press */
249
250 if (b == 0xff)
251 return 0;
252
253 /* Button pressed */
254
255 input_dbg("get_key_kworld_pc150u: Key = 0x%02X\n", b);
256 *protocol = RC_TYPE_UNKNOWN;
257 *scancode = b;
258 *toggle = 0;
259 return 1;
260 }
261
262 static int get_key_purpletv(struct IR_i2c *ir, enum rc_type *protocol,
263 u32 *scancode, u8 *toggle)
264 {
265 unsigned char b;
266
267 /* poll IR chip */
268 if (1 != i2c_master_recv(ir->c, &b, 1)) {
269 ir_dbg(ir, "read error\n");
270 return -EIO;
271 }
272
273 /* no button press */
274 if (b==0)
275 return 0;
276
277 /* repeating */
278 if (b & 0x80)
279 return 1;
280
281 *protocol = RC_TYPE_UNKNOWN;
282 *scancode = b;
283 *toggle = 0;
284 return 1;
285 }
286
287 static int get_key_hvr1110(struct IR_i2c *ir, enum rc_type *protocol,
288 u32 *scancode, u8 *toggle)
289 {
290 unsigned char buf[5];
291
292 /* poll IR chip */
293 if (5 != i2c_master_recv(ir->c, buf, 5))
294 return -EIO;
295
296 /* Check if some key were pressed */
297 if (!(buf[0] & 0x80))
298 return 0;
299
300 /*
301 * buf[3] & 0x80 is always high.
302 * buf[3] & 0x40 is a parity bit. A repeat event is marked
303 * by preserving it into two separate readings
304 * buf[4] bits 0 and 1, and buf[1] and buf[2] are always
305 * zero.
306 *
307 * Note that the keymap which the hvr1110 uses is RC5.
308 *
309 * FIXME: start bits could maybe be used...?
310 */
311 *protocol = RC_TYPE_RC5;
312 *scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2);
313 *toggle = !!(buf[3] & 0x40);
314 return 1;
315 }
316
317
318 static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_type *protocol,
319 u32 *scancode, u8 *toggle)
320 {
321 unsigned char data[12];
322 u32 gpio;
323
324 struct saa7134_dev *dev = ir->c->adapter->algo_data;
325
326 /* rising SAA7134_GPIO_GPRESCAN reads the status */
327 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
328 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
329
330 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
331
332 if (0x400000 & ~gpio)
333 return 0; /* No button press */
334
335 ir->c->addr = 0x5a >> 1;
336
337 if (12 != i2c_master_recv(ir->c, data, 12)) {
338 ir_dbg(ir, "read error\n");
339 return -EIO;
340 }
341
342 if (data[9] != (unsigned char)(~data[8]))
343 return 0;
344
345 *protocol = RC_TYPE_NECX;
346 *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
347 *toggle = 0;
348 return 1;
349 }
350
351 /* Common (grey or coloured) pinnacle PCTV remote handling
352 *
353 */
354 static int get_key_pinnacle(struct IR_i2c *ir, enum rc_type *protocol,
355 u32 *scancode, u8 *toggle, int parity_offset,
356 int marker, int code_modulo)
357 {
358 unsigned char b[4];
359 unsigned int start = 0,parity = 0,code = 0;
360
361 /* poll IR chip */
362 if (4 != i2c_master_recv(ir->c, b, 4)) {
363 ir_dbg(ir, "read error\n");
364 return -EIO;
365 }
366
367 for (start = 0; start < ARRAY_SIZE(b); start++) {
368 if (b[start] == marker) {
369 code=b[(start+parity_offset + 1) % 4];
370 parity=b[(start+parity_offset) % 4];
371 }
372 }
373
374 /* Empty Request */
375 if (parity == 0)
376 return 0;
377
378 /* Repeating... */
379 if (ir->old == parity)
380 return 0;
381
382 ir->old = parity;
383
384 /* drop special codes when a key is held down a long time for the grey controller
385 In this case, the second bit of the code is asserted */
386 if (marker == 0xfe && (code & 0x40))
387 return 0;
388
389 code %= code_modulo;
390
391 *protocol = RC_TYPE_UNKNOWN;
392 *scancode = code;
393 *toggle = 0;
394
395 ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
396 return 1;
397 }
398
399 /* The grey pinnacle PCTV remote
400 *
401 * There are one issue with this remote:
402 * - I2c packet does not change when the same key is pressed quickly. The workaround
403 * is to hold down each key for about half a second, so that another code is generated
404 * in the i2c packet, and the function can distinguish key presses.
405 *
406 * Sylvain Pasche <sylvain.pasche@gmail.com>
407 */
408 static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_type *protocol,
409 u32 *scancode, u8 *toggle)
410 {
411
412 return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
413 }
414
415
416 /* The new pinnacle PCTV remote (with the colored buttons)
417 *
418 * Ricardo Cerqueira <v4l@cerqueira.org>
419 */
420 static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_type *protocol,
421 u32 *scancode, u8 *toggle)
422 {
423 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
424 *
425 * this is the only value that results in 42 unique
426 * codes < 128
427 */
428
429 return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
430 }
431
432 void saa7134_input_irq(struct saa7134_dev *dev)
433 {
434 struct saa7134_card_ir *ir;
435
436 if (!dev || !dev->remote)
437 return;
438
439 ir = dev->remote;
440 if (!ir->running)
441 return;
442
443 if (!ir->polling && !ir->raw_decode) {
444 build_key(dev);
445 } else if (ir->raw_decode) {
446 saa7134_raw_decode_irq(dev);
447 }
448 }
449
450 static void saa7134_input_timer(unsigned long data)
451 {
452 struct saa7134_dev *dev = (struct saa7134_dev *)data;
453 struct saa7134_card_ir *ir = dev->remote;
454
455 build_key(dev);
456 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
457 }
458
459 static void ir_raw_decode_timer_end(unsigned long data)
460 {
461 struct saa7134_dev *dev = (struct saa7134_dev *)data;
462
463 ir_raw_event_handle(dev->remote->dev);
464 }
465
466 static int __saa7134_ir_start(void *priv)
467 {
468 struct saa7134_dev *dev = priv;
469 struct saa7134_card_ir *ir;
470
471 if (!dev || !dev->remote)
472 return -EINVAL;
473
474 ir = dev->remote;
475 if (ir->running)
476 return 0;
477
478 /* Moved here from saa7134_input_init1() because the latter
479 * is not called on device resume */
480 switch (dev->board) {
481 case SAA7134_BOARD_MD2819:
482 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
483 case SAA7134_BOARD_AVERMEDIA_305:
484 case SAA7134_BOARD_AVERMEDIA_307:
485 case SAA7134_BOARD_AVERMEDIA_505:
486 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
487 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
488 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
489 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
490 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
491 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
492 case SAA7134_BOARD_AVERMEDIA_M102:
493 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
494 /* Without this we won't receive key up events */
495 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
496 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
497 break;
498 case SAA7134_BOARD_AVERMEDIA_777:
499 case SAA7134_BOARD_AVERMEDIA_A16AR:
500 /* Without this we won't receive key up events */
501 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
502 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
503 break;
504 case SAA7134_BOARD_AVERMEDIA_A16D:
505 /* Without this we won't receive key up events */
506 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
507 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
508 break;
509 case SAA7134_BOARD_GOTVIEW_7135:
510 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
511 break;
512 }
513
514 ir->running = true;
515
516 if (ir->polling) {
517 setup_timer(&ir->timer, saa7134_input_timer,
518 (unsigned long)dev);
519 ir->timer.expires = jiffies + HZ;
520 add_timer(&ir->timer);
521 } else if (ir->raw_decode) {
522 /* set timer_end for code completion */
523 setup_timer(&ir->timer, ir_raw_decode_timer_end,
524 (unsigned long)dev);
525 }
526
527 return 0;
528 }
529
530 static void __saa7134_ir_stop(void *priv)
531 {
532 struct saa7134_dev *dev = priv;
533 struct saa7134_card_ir *ir;
534
535 if (!dev || !dev->remote)
536 return;
537
538 ir = dev->remote;
539 if (!ir->running)
540 return;
541
542 if (ir->polling || ir->raw_decode)
543 del_timer_sync(&ir->timer);
544
545 ir->running = false;
546
547 return;
548 }
549
550 int saa7134_ir_start(struct saa7134_dev *dev)
551 {
552 if (dev->remote->users)
553 return __saa7134_ir_start(dev);
554
555 return 0;
556 }
557
558 void saa7134_ir_stop(struct saa7134_dev *dev)
559 {
560 if (dev->remote->users)
561 __saa7134_ir_stop(dev);
562 }
563
564 static int saa7134_ir_open(struct rc_dev *rc)
565 {
566 struct saa7134_dev *dev = rc->priv;
567
568 dev->remote->users++;
569 return __saa7134_ir_start(dev);
570 }
571
572 static void saa7134_ir_close(struct rc_dev *rc)
573 {
574 struct saa7134_dev *dev = rc->priv;
575
576 dev->remote->users--;
577 if (!dev->remote->users)
578 __saa7134_ir_stop(dev);
579 }
580
581 int saa7134_input_init1(struct saa7134_dev *dev)
582 {
583 struct saa7134_card_ir *ir;
584 struct rc_dev *rc;
585 char *ir_codes = NULL;
586 u32 mask_keycode = 0;
587 u32 mask_keydown = 0;
588 u32 mask_keyup = 0;
589 unsigned polling = 0;
590 bool raw_decode = false;
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_505:
635 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
636 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
637 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
638 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
639 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
640 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
641 case SAA7134_BOARD_AVERMEDIA_M102:
642 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
643 ir_codes = RC_MAP_AVERMEDIA;
644 mask_keycode = 0x0007C8;
645 mask_keydown = 0x000010;
646 polling = 50; // ms
647 /* GPIO stuff moved to __saa7134_ir_start() */
648 break;
649 case SAA7134_BOARD_AVERMEDIA_M135A:
650 ir_codes = RC_MAP_AVERMEDIA_M135A;
651 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
652 mask_keyup = 0x0040000;
653 mask_keycode = 0xffff;
654 raw_decode = true;
655 break;
656 case SAA7134_BOARD_AVERMEDIA_M733A:
657 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
658 mask_keydown = 0x0040000;
659 mask_keyup = 0x0040000;
660 mask_keycode = 0xffff;
661 raw_decode = true;
662 break;
663 case SAA7134_BOARD_AVERMEDIA_777:
664 case SAA7134_BOARD_AVERMEDIA_A16AR:
665 ir_codes = RC_MAP_AVERMEDIA;
666 mask_keycode = 0x02F200;
667 mask_keydown = 0x000400;
668 polling = 50; // ms
669 /* GPIO stuff moved to __saa7134_ir_start() */
670 break;
671 case SAA7134_BOARD_AVERMEDIA_A16D:
672 ir_codes = RC_MAP_AVERMEDIA_A16D;
673 mask_keycode = 0x02F200;
674 mask_keydown = 0x000400;
675 polling = 50; /* ms */
676 /* GPIO stuff moved to __saa7134_ir_start() */
677 break;
678 case SAA7134_BOARD_KWORLD_TERMINATOR:
679 ir_codes = RC_MAP_PIXELVIEW;
680 mask_keycode = 0x00001f;
681 mask_keyup = 0x000060;
682 polling = 50; // ms
683 break;
684 case SAA7134_BOARD_MANLI_MTV001:
685 case SAA7134_BOARD_MANLI_MTV002:
686 ir_codes = RC_MAP_MANLI;
687 mask_keycode = 0x001f00;
688 mask_keyup = 0x004000;
689 polling = 50; /* ms */
690 break;
691 case SAA7134_BOARD_BEHOLD_409FM:
692 case SAA7134_BOARD_BEHOLD_401:
693 case SAA7134_BOARD_BEHOLD_403:
694 case SAA7134_BOARD_BEHOLD_403FM:
695 case SAA7134_BOARD_BEHOLD_405:
696 case SAA7134_BOARD_BEHOLD_405FM:
697 case SAA7134_BOARD_BEHOLD_407:
698 case SAA7134_BOARD_BEHOLD_407FM:
699 case SAA7134_BOARD_BEHOLD_409:
700 case SAA7134_BOARD_BEHOLD_505FM:
701 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
702 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
703 case SAA7134_BOARD_BEHOLD_507_9FM:
704 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
705 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
706 ir_codes = RC_MAP_MANLI;
707 mask_keycode = 0x003f00;
708 mask_keyup = 0x004000;
709 polling = 50; /* ms */
710 break;
711 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
712 ir_codes = RC_MAP_BEHOLD_COLUMBUS;
713 mask_keycode = 0x003f00;
714 mask_keyup = 0x004000;
715 polling = 50; // ms
716 break;
717 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
718 ir_codes = RC_MAP_PCTV_SEDNA;
719 mask_keycode = 0x001f00;
720 mask_keyup = 0x004000;
721 polling = 50; // ms
722 break;
723 case SAA7134_BOARD_GOTVIEW_7135:
724 ir_codes = RC_MAP_GOTVIEW7135;
725 mask_keycode = 0x0003CC;
726 mask_keydown = 0x000010;
727 polling = 5; /* ms */
728 /* GPIO stuff moved to __saa7134_ir_start() */
729 break;
730 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
731 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
732 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
733 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
734 mask_keycode = 0x00003F;
735 mask_keyup = 0x400000;
736 polling = 50; // ms
737 break;
738 case SAA7134_BOARD_PROTEUS_2309:
739 ir_codes = RC_MAP_PROTEUS_2309;
740 mask_keycode = 0x00007F;
741 mask_keyup = 0x000080;
742 polling = 50; // ms
743 break;
744 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
745 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
746 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
747 mask_keycode = 0x003F00;
748 mask_keyup = 0x040000;
749 break;
750 case SAA7134_BOARD_FLYDVBS_LR300:
751 case SAA7134_BOARD_FLYDVBT_LR301:
752 case SAA7134_BOARD_FLYDVBTDUO:
753 ir_codes = RC_MAP_FLYDVB;
754 mask_keycode = 0x0001F00;
755 mask_keydown = 0x0040000;
756 break;
757 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
758 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
759 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
760 ir_codes = RC_MAP_ASUS_PC39;
761 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
762 mask_keyup = 0x0040000;
763 mask_keycode = 0xffff;
764 raw_decode = true;
765 break;
766 case SAA7134_BOARD_ASUSTeK_PS3_100:
767 ir_codes = RC_MAP_ASUS_PS3_100;
768 mask_keydown = 0x0040000;
769 mask_keyup = 0x0040000;
770 mask_keycode = 0xffff;
771 raw_decode = true;
772 break;
773 case SAA7134_BOARD_ENCORE_ENLTV:
774 case SAA7134_BOARD_ENCORE_ENLTV_FM:
775 ir_codes = RC_MAP_ENCORE_ENLTV;
776 mask_keycode = 0x00007f;
777 mask_keyup = 0x040000;
778 polling = 50; // ms
779 break;
780 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
781 case SAA7134_BOARD_ENCORE_ENLTV_FM3:
782 ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
783 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
784 mask_keyup = 0x0040000;
785 mask_keycode = 0xffff;
786 raw_decode = true;
787 break;
788 case SAA7134_BOARD_10MOONSTVMASTER3:
789 ir_codes = RC_MAP_ENCORE_ENLTV;
790 mask_keycode = 0x5f80000;
791 mask_keyup = 0x8000000;
792 polling = 50; //ms
793 break;
794 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
795 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
796 mask_keycode = 0xff;
797 mask_keydown = 0xf00000;
798 polling = 50; /* ms */
799 break;
800 case SAA7134_BOARD_REAL_ANGEL_220:
801 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
802 mask_keycode = 0x3f00;
803 mask_keyup = 0x4000;
804 polling = 50; /* ms */
805 break;
806 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
807 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
808 mask_keycode = 0x7f;
809 polling = 40; /* ms */
810 break;
811 case SAA7134_BOARD_VIDEOMATE_S350:
812 ir_codes = RC_MAP_VIDEOMATE_S350;
813 mask_keycode = 0x003f00;
814 mask_keydown = 0x040000;
815 break;
816 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
817 ir_codes = RC_MAP_WINFAST;
818 mask_keycode = 0x5f00;
819 mask_keyup = 0x020000;
820 polling = 50; /* ms */
821 break;
822 case SAA7134_BOARD_VIDEOMATE_M1F:
823 ir_codes = RC_MAP_VIDEOMATE_K100;
824 mask_keycode = 0x0ff00;
825 mask_keyup = 0x040000;
826 break;
827 case SAA7134_BOARD_HAUPPAUGE_HVR1150:
828 case SAA7134_BOARD_HAUPPAUGE_HVR1120:
829 ir_codes = RC_MAP_HAUPPAUGE;
830 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
831 mask_keyup = 0x0040000;
832 mask_keycode = 0xffff;
833 raw_decode = true;
834 break;
835 case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
836 ir_codes = RC_MAP_LEADTEK_Y04G0051;
837 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
838 mask_keyup = 0x0040000;
839 mask_keycode = 0xffff;
840 raw_decode = true;
841 break;
842 }
843 if (NULL == ir_codes) {
844 pr_err("Oops: IR config error [card=%d]\n", dev->board);
845 return -ENODEV;
846 }
847
848 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
849 rc = rc_allocate_device();
850 if (!ir || !rc) {
851 err = -ENOMEM;
852 goto err_out_free;
853 }
854
855 ir->dev = rc;
856 dev->remote = ir;
857
858 /* init hardware-specific stuff */
859 ir->mask_keycode = mask_keycode;
860 ir->mask_keydown = mask_keydown;
861 ir->mask_keyup = mask_keyup;
862 ir->polling = polling;
863 ir->raw_decode = raw_decode;
864
865 /* init input device */
866 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
867 saa7134_boards[dev->board].name);
868 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
869 pci_name(dev->pci));
870
871 rc->priv = dev;
872 rc->open = saa7134_ir_open;
873 rc->close = saa7134_ir_close;
874 if (raw_decode)
875 rc->driver_type = RC_DRIVER_IR_RAW;
876
877 rc->input_name = ir->name;
878 rc->input_phys = ir->phys;
879 rc->input_id.bustype = BUS_PCI;
880 rc->input_id.version = 1;
881 if (dev->pci->subsystem_vendor) {
882 rc->input_id.vendor = dev->pci->subsystem_vendor;
883 rc->input_id.product = dev->pci->subsystem_device;
884 } else {
885 rc->input_id.vendor = dev->pci->vendor;
886 rc->input_id.product = dev->pci->device;
887 }
888 rc->dev.parent = &dev->pci->dev;
889 rc->map_name = ir_codes;
890 rc->driver_name = MODULE_NAME;
891
892 err = rc_register_device(rc);
893 if (err)
894 goto err_out_free;
895
896 return 0;
897
898 err_out_free:
899 rc_free_device(rc);
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 rc_unregister_device(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 struct i2c_msg msg_msi = {
920 .addr = 0x50,
921 .flags = I2C_M_RD,
922 .len = 0,
923 .buf = NULL,
924 };
925 int rc;
926
927 if (disable_ir) {
928 input_dbg("IR has been disabled, not probing for i2c remote\n");
929 return;
930 }
931
932 memset(&info, 0, sizeof(struct i2c_board_info));
933 memset(&dev->init_data, 0, sizeof(dev->init_data));
934 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
935
936 switch (dev->board) {
937 case SAA7134_BOARD_PINNACLE_PCTV_110i:
938 case SAA7134_BOARD_PINNACLE_PCTV_310i:
939 dev->init_data.name = "Pinnacle PCTV";
940 if (pinnacle_remote == 0) {
941 dev->init_data.get_key = get_key_pinnacle_color;
942 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
943 info.addr = 0x47;
944 } else {
945 dev->init_data.get_key = get_key_pinnacle_grey;
946 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
947 info.addr = 0x47;
948 }
949 break;
950 case SAA7134_BOARD_UPMOST_PURPLE_TV:
951 dev->init_data.name = "Purple TV";
952 dev->init_data.get_key = get_key_purpletv;
953 dev->init_data.ir_codes = RC_MAP_PURPLETV;
954 info.addr = 0x7a;
955 break;
956 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
957 dev->init_data.name = "MSI TV@nywhere Plus";
958 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
959 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
960 /*
961 * MSI TV@nyware Plus requires more frequent polling
962 * otherwise it will miss some keypresses
963 */
964 dev->init_data.polling_interval = 50;
965 info.addr = 0x30;
966 /* MSI TV@nywhere Plus controller doesn't seem to
967 respond to probes unless we read something from
968 an existing device. Weird...
969 REVISIT: might no longer be needed */
970 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
971 input_dbg("probe 0x%02x @ %s: %s\n",
972 msg_msi.addr, dev->i2c_adap.name,
973 (1 == rc) ? "yes" : "no");
974 break;
975 case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
976 dev->init_data.name = "SnaZio* TVPVR PRO";
977 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
978 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
979 /*
980 * MSI TV@nyware Plus requires more frequent polling
981 * otherwise it will miss some keypresses
982 */
983 dev->init_data.polling_interval = 50;
984 info.addr = 0x30;
985 /*
986 * MSI TV@nywhere Plus controller doesn't seem to
987 * respond to probes unless we read something from
988 * an existing device. Weird...
989 * REVISIT: might no longer be needed
990 */
991 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
992 input_dbg("probe 0x%02x @ %s: %s\n",
993 msg_msi.addr, dev->i2c_adap.name,
994 (rc == 1) ? "yes" : "no");
995 break;
996 case SAA7134_BOARD_KWORLD_PC150U:
997 /* copied and modified from MSI TV@nywhere Plus */
998 dev->init_data.name = "Kworld PC150-U";
999 dev->init_data.get_key = get_key_kworld_pc150u;
1000 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
1001 info.addr = 0x30;
1002 /* MSI TV@nywhere Plus controller doesn't seem to
1003 respond to probes unless we read something from
1004 an existing device. Weird...
1005 REVISIT: might no longer be needed */
1006 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
1007 input_dbg("probe 0x%02x @ %s: %s\n",
1008 msg_msi.addr, dev->i2c_adap.name,
1009 (1 == rc) ? "yes" : "no");
1010 break;
1011 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
1012 dev->init_data.name = "HVR 1110";
1013 dev->init_data.get_key = get_key_hvr1110;
1014 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
1015 info.addr = 0x71;
1016 break;
1017 case SAA7134_BOARD_BEHOLD_607FM_MK3:
1018 case SAA7134_BOARD_BEHOLD_607FM_MK5:
1019 case SAA7134_BOARD_BEHOLD_609FM_MK3:
1020 case SAA7134_BOARD_BEHOLD_609FM_MK5:
1021 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
1022 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
1023 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
1024 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
1025 case SAA7134_BOARD_BEHOLD_M6:
1026 case SAA7134_BOARD_BEHOLD_M63:
1027 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
1028 case SAA7134_BOARD_BEHOLD_H6:
1029 case SAA7134_BOARD_BEHOLD_X7:
1030 case SAA7134_BOARD_BEHOLD_H7:
1031 case SAA7134_BOARD_BEHOLD_A7:
1032 dev->init_data.name = "BeholdTV";
1033 dev->init_data.get_key = get_key_beholdm6xx;
1034 dev->init_data.ir_codes = RC_MAP_BEHOLD;
1035 dev->init_data.type = RC_BIT_NECX;
1036 info.addr = 0x2d;
1037 break;
1038 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
1039 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
1040 info.addr = 0x40;
1041 break;
1042 case SAA7134_BOARD_AVERMEDIA_A706:
1043 info.addr = 0x41;
1044 break;
1045 case SAA7134_BOARD_FLYDVB_TRIO:
1046 dev->init_data.name = "FlyDVB Trio";
1047 dev->init_data.get_key = get_key_flydvb_trio;
1048 dev->init_data.ir_codes = RC_MAP_FLYDVB;
1049 info.addr = 0x0b;
1050 break;
1051 default:
1052 input_dbg("No I2C IR support for board %x\n", dev->board);
1053 return;
1054 }
1055
1056 if (dev->init_data.name)
1057 info.platform_data = &dev->init_data;
1058 i2c_new_device(&dev->i2c_adap, &info);
1059 }
1060
1061 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1062 {
1063 struct saa7134_card_ir *ir = dev->remote;
1064 unsigned long timeout;
1065 int space;
1066
1067 /* Generate initial event */
1068 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1069 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1070 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1071 ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
1072
1073 /*
1074 * Wait 15 ms from the start of the first IR event before processing
1075 * the event. This time is enough for NEC protocol. May need adjustments
1076 * to work with other protocols.
1077 */
1078 smp_mb();
1079
1080 if (!timer_pending(&ir->timer)) {
1081 timeout = jiffies + msecs_to_jiffies(15);
1082 mod_timer(&ir->timer, timeout);
1083 }
1084
1085 return 1;
1086 }
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