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Linux 2.6.34-rc3
[pohmelfs.git] / drivers / media / video / saa7134 / saa7134-input.c
blob9499000f66b6bc8a6e640cfd57ae9d7492a9e821
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
27 #include "saa7134-reg.h"
28 #include "saa7134.h"
29
30 static unsigned int disable_ir;
31 module_param(disable_ir, int, 0444);
32 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
33
34 static unsigned int ir_debug;
35 module_param(ir_debug, int, 0644);
36 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
37
38 static int pinnacle_remote;
39 module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
40 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
41
42 static int ir_rc5_remote_gap = 885;
43 module_param(ir_rc5_remote_gap, int, 0644);
44 static int ir_rc5_key_timeout = 115;
45 module_param(ir_rc5_key_timeout, int, 0644);
46
47 static int repeat_delay = 500;
48 module_param(repeat_delay, int, 0644);
49 MODULE_PARM_DESC(repeat_delay, "delay before key repeat started");
50 static int repeat_period = 33;
51 module_param(repeat_period, int, 0644);
52 MODULE_PARM_DESC(repeat_period, "repeat period between "
53 "keypresses when key is down");
54
55 static unsigned int disable_other_ir;
56 module_param(disable_other_ir, int, 0644);
57 MODULE_PARM_DESC(disable_other_ir, "disable full codes of "
58 "alternative remotes from other manufacturers");
59
60 #define dprintk(fmt, arg...) if (ir_debug) \
61 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
62 #define i2cdprintk(fmt, arg...) if (ir_debug) \
63 printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
64
65 /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
66 static int saa7134_rc5_irq(struct saa7134_dev *dev);
67 static int saa7134_nec_irq(struct saa7134_dev *dev);
68 static void nec_task(unsigned long data);
69 static void saa7134_nec_timer(unsigned long data);
70
71 /* -------------------- GPIO generic keycode builder -------------------- */
72
73 static int build_key(struct saa7134_dev *dev)
74 {
75 struct card_ir *ir = dev->remote;
76 u32 gpio, data;
77
78 /* here comes the additional handshake steps for some cards */
79 switch (dev->board) {
80 case SAA7134_BOARD_GOTVIEW_7135:
81 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
82 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
83 break;
84 }
85 /* rising SAA7134_GPIO_GPRESCAN reads the status */
86 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
87 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
88
89 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
90 if (ir->polling) {
91 if (ir->last_gpio == gpio)
92 return 0;
93 ir->last_gpio = gpio;
94 }
95
96 data = ir_extract_bits(gpio, ir->mask_keycode);
97 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
98 gpio, ir->mask_keycode, data);
99
100 switch (dev->board) {
101 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
102 if (data == ir->mask_keycode)
103 ir_input_nokey(ir->dev, &ir->ir);
104 else
105 ir_input_keydown(ir->dev, &ir->ir, data);
106 return 0;
107 }
108
109 if (ir->polling) {
110 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
111 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
112 ir_input_keydown(ir->dev, &ir->ir, data);
113 } else {
114 ir_input_nokey(ir->dev, &ir->ir);
115 }
116 }
117 else { /* IRQ driven mode - handle key press and release in one go */
118 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
119 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
120 ir_input_keydown(ir->dev, &ir->ir, data);
121 ir_input_nokey(ir->dev, &ir->ir);
122 }
123 }
124
125 return 0;
126 }
127
128 /* --------------------- Chip specific I2C key builders ----------------- */
129
130 static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
131 {
132 int gpio;
133 int attempt = 0;
134 unsigned char b;
135
136 /* We need this to access GPI Used by the saa_readl macro. */
137 struct saa7134_dev *dev = ir->c->adapter->algo_data;
138
139 if (dev == NULL) {
140 dprintk("get_key_flydvb_trio: "
141 "gir->c->adapter->algo_data is NULL!\n");
142 return -EIO;
143 }
144
145 /* rising SAA7134_GPIGPRESCAN reads the status */
146 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
147 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
148
149 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
150
151 if (0x40000 & ~gpio)
152 return 0; /* No button press */
153
154 /* No button press - only before first key pressed */
155 if (b == 0xFF)
156 return 0;
157
158 /* poll IR chip */
159 /* weak up the IR chip */
160 b = 0;
161
162 while (1 != i2c_master_send(ir->c, &b, 1)) {
163 if ((attempt++) < 10) {
164 /*
165 * wait a bit for next attempt -
166 * I don't know how make it better
167 */
168 msleep(10);
169 continue;
170 }
171 i2cdprintk("send wake up byte to pic16C505 (IR chip)"
172 "failed %dx\n", attempt);
173 return -EIO;
174 }
175 if (1 != i2c_master_recv(ir->c, &b, 1)) {
176 i2cdprintk("read error\n");
177 return -EIO;
178 }
179
180 *ir_key = b;
181 *ir_raw = b;
182 return 1;
183 }
184
185 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
186 u32 *ir_raw)
187 {
188 unsigned char b;
189 int gpio;
190
191 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
192 struct saa7134_dev *dev = ir->c->adapter->algo_data;
193 if (dev == NULL) {
194 dprintk("get_key_msi_tvanywhere_plus: "
195 "gir->c->adapter->algo_data is NULL!\n");
196 return -EIO;
197 }
198
199 /* rising SAA7134_GPIO_GPRESCAN reads the status */
200
201 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
202 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
203
204 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
205
206 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
207 I2C receive if gpio&0x40 is not low. */
208
209 if (gpio & 0x40)
210 return 0; /* No button press */
211
212 /* GPIO says there is a button press. Get it. */
213
214 if (1 != i2c_master_recv(ir->c, &b, 1)) {
215 i2cdprintk("read error\n");
216 return -EIO;
217 }
218
219 /* No button press */
220
221 if (b == 0xff)
222 return 0;
223
224 /* Button pressed */
225
226 dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
227 *ir_key = b;
228 *ir_raw = b;
229 return 1;
230 }
231
232 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
233 {
234 unsigned char b;
235
236 /* poll IR chip */
237 if (1 != i2c_master_recv(ir->c, &b, 1)) {
238 i2cdprintk("read error\n");
239 return -EIO;
240 }
241
242 /* no button press */
243 if (b==0)
244 return 0;
245
246 /* repeating */
247 if (b & 0x80)
248 return 1;
249
250 *ir_key = b;
251 *ir_raw = b;
252 return 1;
253 }
254
255 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
256 {
257 unsigned char buf[5], cod4, code3, code4;
258
259 /* poll IR chip */
260 if (5 != i2c_master_recv(ir->c, buf, 5))
261 return -EIO;
262
263 cod4 = buf[4];
264 code4 = (cod4 >> 2);
265 code3 = buf[3];
266 if (code3 == 0)
267 /* no key pressed */
268 return 0;
269
270 /* return key */
271 *ir_key = code4;
272 *ir_raw = code4;
273 return 1;
274 }
275
276
277 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
278 {
279 unsigned char data[12];
280 u32 gpio;
281
282 struct saa7134_dev *dev = ir->c->adapter->algo_data;
283
284 /* rising SAA7134_GPIO_GPRESCAN reads the status */
285 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
286 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
287
288 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
289
290 if (0x400000 & ~gpio)
291 return 0; /* No button press */
292
293 ir->c->addr = 0x5a >> 1;
294
295 if (12 != i2c_master_recv(ir->c, data, 12)) {
296 i2cdprintk("read error\n");
297 return -EIO;
298 }
299 /* IR of this card normally decode signals NEC-standard from
300 * - Sven IHOO MT 5.1R remote. xxyye718
301 * - Sven DVD HD-10xx remote. xxyyf708
302 * - BBK ...
303 * - mayby others
304 * So, skip not our, if disable full codes mode.
305 */
306 if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir)
307 return 0;
308
309 /* Wrong data decode fix */
310 if (data[9] != (unsigned char)(~data[8]))
311 return 0;
312
313 *ir_key = data[9];
314 *ir_raw = data[9];
315
316 return 1;
317 }
318
319 /* Common (grey or coloured) pinnacle PCTV remote handling
320 *
321 */
322 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
323 int parity_offset, int marker, int code_modulo)
324 {
325 unsigned char b[4];
326 unsigned int start = 0,parity = 0,code = 0;
327
328 /* poll IR chip */
329 if (4 != i2c_master_recv(ir->c, b, 4)) {
330 i2cdprintk("read error\n");
331 return -EIO;
332 }
333
334 for (start = 0; start < ARRAY_SIZE(b); start++) {
335 if (b[start] == marker) {
336 code=b[(start+parity_offset + 1) % 4];
337 parity=b[(start+parity_offset) % 4];
338 }
339 }
340
341 /* Empty Request */
342 if (parity == 0)
343 return 0;
344
345 /* Repeating... */
346 if (ir->old == parity)
347 return 0;
348
349 ir->old = parity;
350
351 /* drop special codes when a key is held down a long time for the grey controller
352 In this case, the second bit of the code is asserted */
353 if (marker == 0xfe && (code & 0x40))
354 return 0;
355
356 code %= code_modulo;
357
358 *ir_raw = code;
359 *ir_key = code;
360
361 i2cdprintk("Pinnacle PCTV key %02x\n", code);
362
363 return 1;
364 }
365
366 /* The grey pinnacle PCTV remote
367 *
368 * There are one issue with this remote:
369 * - I2c packet does not change when the same key is pressed quickly. The workaround
370 * is to hold down each key for about half a second, so that another code is generated
371 * in the i2c packet, and the function can distinguish key presses.
372 *
373 * Sylvain Pasche <sylvain.pasche@gmail.com>
374 */
375 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
376 {
377
378 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
379 }
380
381
382 /* The new pinnacle PCTV remote (with the colored buttons)
383 *
384 * Ricardo Cerqueira <v4l@cerqueira.org>
385 */
386 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
387 {
388 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
389 *
390 * this is the only value that results in 42 unique
391 * codes < 128
392 */
393
394 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
395 }
396
397 void saa7134_input_irq(struct saa7134_dev *dev)
398 {
399 struct card_ir *ir = dev->remote;
400
401 if (ir->nec_gpio) {
402 saa7134_nec_irq(dev);
403 } else if (!ir->polling && !ir->rc5_gpio) {
404 build_key(dev);
405 } else if (ir->rc5_gpio) {
406 saa7134_rc5_irq(dev);
407 }
408 }
409
410 static void saa7134_input_timer(unsigned long data)
411 {
412 struct saa7134_dev *dev = (struct saa7134_dev *)data;
413 struct card_ir *ir = dev->remote;
414
415 build_key(dev);
416 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
417 }
418
419 void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir)
420 {
421 if (ir->polling) {
422 setup_timer(&ir->timer, saa7134_input_timer,
423 (unsigned long)dev);
424 ir->timer.expires = jiffies + HZ;
425 add_timer(&ir->timer);
426 } else if (ir->rc5_gpio) {
427 /* set timer_end for code completion */
428 init_timer(&ir->timer_end);
429 ir->timer_end.function = ir_rc5_timer_end;
430 ir->timer_end.data = (unsigned long)ir;
431 init_timer(&ir->timer_keyup);
432 ir->timer_keyup.function = ir_rc5_timer_keyup;
433 ir->timer_keyup.data = (unsigned long)ir;
434 ir->shift_by = 2;
435 ir->start = 0x2;
436 ir->addr = 0x17;
437 ir->rc5_key_timeout = ir_rc5_key_timeout;
438 ir->rc5_remote_gap = ir_rc5_remote_gap;
439 } else if (ir->nec_gpio) {
440 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
441 (unsigned long)dev);
442 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
443 }
444 }
445
446 void saa7134_ir_stop(struct saa7134_dev *dev)
447 {
448 if (dev->remote->polling)
449 del_timer_sync(&dev->remote->timer);
450 }
451
452 int saa7134_input_init1(struct saa7134_dev *dev)
453 {
454 struct card_ir *ir;
455 struct input_dev *input_dev;
456 struct ir_scancode_table *ir_codes = NULL;
457 u32 mask_keycode = 0;
458 u32 mask_keydown = 0;
459 u32 mask_keyup = 0;
460 int polling = 0;
461 int rc5_gpio = 0;
462 int nec_gpio = 0;
463 u64 ir_type = IR_TYPE_OTHER;
464 int err;
465
466 if (dev->has_remote != SAA7134_REMOTE_GPIO)
467 return -ENODEV;
468 if (disable_ir)
469 return -ENODEV;
470
471 /* detect & configure */
472 switch (dev->board) {
473 case SAA7134_BOARD_FLYVIDEO2000:
474 case SAA7134_BOARD_FLYVIDEO3000:
475 case SAA7134_BOARD_FLYTVPLATINUM_FM:
476 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
477 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
478 ir_codes = &ir_codes_flyvideo_table;
479 mask_keycode = 0xEC00000;
480 mask_keydown = 0x0040000;
481 break;
482 case SAA7134_BOARD_CINERGY400:
483 case SAA7134_BOARD_CINERGY600:
484 case SAA7134_BOARD_CINERGY600_MK3:
485 ir_codes = &ir_codes_cinergy_table;
486 mask_keycode = 0x00003f;
487 mask_keyup = 0x040000;
488 break;
489 case SAA7134_BOARD_ECS_TVP3XP:
490 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
491 ir_codes = &ir_codes_eztv_table;
492 mask_keycode = 0x00017c;
493 mask_keyup = 0x000002;
494 polling = 50; // ms
495 break;
496 case SAA7134_BOARD_KWORLD_XPERT:
497 case SAA7134_BOARD_AVACSSMARTTV:
498 ir_codes = &ir_codes_pixelview_table;
499 mask_keycode = 0x00001F;
500 mask_keyup = 0x000020;
501 polling = 50; // ms
502 break;
503 case SAA7134_BOARD_MD2819:
504 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
505 case SAA7134_BOARD_AVERMEDIA_305:
506 case SAA7134_BOARD_AVERMEDIA_307:
507 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
508 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
509 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
510 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
511 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
512 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
513 case SAA7134_BOARD_AVERMEDIA_M102:
514 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
515 ir_codes = &ir_codes_avermedia_table;
516 mask_keycode = 0x0007C8;
517 mask_keydown = 0x000010;
518 polling = 50; // ms
519 /* Set GPIO pin2 to high to enable the IR controller */
520 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
521 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
522 break;
523 case SAA7134_BOARD_AVERMEDIA_M135A:
524 ir_codes = &ir_codes_avermedia_m135a_table;
525 mask_keydown = 0x0040000;
526 mask_keycode = 0x00013f;
527 nec_gpio = 1;
528 break;
529 case SAA7134_BOARD_AVERMEDIA_777:
530 case SAA7134_BOARD_AVERMEDIA_A16AR:
531 ir_codes = &ir_codes_avermedia_table;
532 mask_keycode = 0x02F200;
533 mask_keydown = 0x000400;
534 polling = 50; // ms
535 /* Without this we won't receive key up events */
536 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
537 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
538 break;
539 case SAA7134_BOARD_AVERMEDIA_A16D:
540 ir_codes = &ir_codes_avermedia_a16d_table;
541 mask_keycode = 0x02F200;
542 mask_keydown = 0x000400;
543 polling = 50; /* ms */
544 /* Without this we won't receive key up events */
545 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
546 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
547 break;
548 case SAA7134_BOARD_KWORLD_TERMINATOR:
549 ir_codes = &ir_codes_pixelview_table;
550 mask_keycode = 0x00001f;
551 mask_keyup = 0x000060;
552 polling = 50; // ms
553 break;
554 case SAA7134_BOARD_MANLI_MTV001:
555 case SAA7134_BOARD_MANLI_MTV002:
556 ir_codes = &ir_codes_manli_table;
557 mask_keycode = 0x001f00;
558 mask_keyup = 0x004000;
559 polling = 50; /* ms */
560 break;
561 case SAA7134_BOARD_BEHOLD_409FM:
562 case SAA7134_BOARD_BEHOLD_401:
563 case SAA7134_BOARD_BEHOLD_403:
564 case SAA7134_BOARD_BEHOLD_403FM:
565 case SAA7134_BOARD_BEHOLD_405:
566 case SAA7134_BOARD_BEHOLD_405FM:
567 case SAA7134_BOARD_BEHOLD_407:
568 case SAA7134_BOARD_BEHOLD_407FM:
569 case SAA7134_BOARD_BEHOLD_409:
570 case SAA7134_BOARD_BEHOLD_505FM:
571 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
572 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
573 case SAA7134_BOARD_BEHOLD_507_9FM:
574 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
575 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
576 ir_codes = &ir_codes_manli_table;
577 mask_keycode = 0x003f00;
578 mask_keyup = 0x004000;
579 polling = 50; /* ms */
580 break;
581 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
582 ir_codes = &ir_codes_behold_columbus_table;
583 mask_keycode = 0x003f00;
584 mask_keyup = 0x004000;
585 polling = 50; // ms
586 break;
587 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
588 ir_codes = &ir_codes_pctv_sedna_table;
589 mask_keycode = 0x001f00;
590 mask_keyup = 0x004000;
591 polling = 50; // ms
592 break;
593 case SAA7134_BOARD_GOTVIEW_7135:
594 ir_codes = &ir_codes_gotview7135_table;
595 mask_keycode = 0x0003CC;
596 mask_keydown = 0x000010;
597 polling = 5; /* ms */
598 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
599 break;
600 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
601 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
602 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
603 ir_codes = &ir_codes_videomate_tv_pvr_table;
604 mask_keycode = 0x00003F;
605 mask_keyup = 0x400000;
606 polling = 50; // ms
607 break;
608 case SAA7134_BOARD_PROTEUS_2309:
609 ir_codes = &ir_codes_proteus_2309_table;
610 mask_keycode = 0x00007F;
611 mask_keyup = 0x000080;
612 polling = 50; // ms
613 break;
614 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
615 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
616 ir_codes = &ir_codes_videomate_tv_pvr_table;
617 mask_keycode = 0x003F00;
618 mask_keyup = 0x040000;
619 break;
620 case SAA7134_BOARD_FLYDVBS_LR300:
621 case SAA7134_BOARD_FLYDVBT_LR301:
622 case SAA7134_BOARD_FLYDVBTDUO:
623 ir_codes = &ir_codes_flydvb_table;
624 mask_keycode = 0x0001F00;
625 mask_keydown = 0x0040000;
626 break;
627 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
628 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
629 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
630 ir_codes = &ir_codes_asus_pc39_table;
631 mask_keydown = 0x0040000;
632 rc5_gpio = 1;
633 break;
634 case SAA7134_BOARD_ENCORE_ENLTV:
635 case SAA7134_BOARD_ENCORE_ENLTV_FM:
636 ir_codes = &ir_codes_encore_enltv_table;
637 mask_keycode = 0x00007f;
638 mask_keyup = 0x040000;
639 polling = 50; // ms
640 break;
641 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
642 ir_codes = &ir_codes_encore_enltv_fm53_table;
643 mask_keydown = 0x0040000;
644 mask_keycode = 0x00007f;
645 nec_gpio = 1;
646 break;
647 case SAA7134_BOARD_10MOONSTVMASTER3:
648 ir_codes = &ir_codes_encore_enltv_table;
649 mask_keycode = 0x5f80000;
650 mask_keyup = 0x8000000;
651 polling = 50; //ms
652 break;
653 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
654 ir_codes = &ir_codes_genius_tvgo_a11mce_table;
655 mask_keycode = 0xff;
656 mask_keydown = 0xf00000;
657 polling = 50; /* ms */
658 break;
659 case SAA7134_BOARD_REAL_ANGEL_220:
660 ir_codes = &ir_codes_real_audio_220_32_keys_table;
661 mask_keycode = 0x3f00;
662 mask_keyup = 0x4000;
663 polling = 50; /* ms */
664 break;
665 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
666 ir_codes = &ir_codes_kworld_plus_tv_analog_table;
667 mask_keycode = 0x7f;
668 polling = 40; /* ms */
669 break;
670 case SAA7134_BOARD_VIDEOMATE_S350:
671 ir_codes = &ir_codes_videomate_s350_table;
672 mask_keycode = 0x003f00;
673 mask_keydown = 0x040000;
674 break;
675 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
676 ir_codes = &ir_codes_winfast_table;
677 mask_keycode = 0x5f00;
678 mask_keyup = 0x020000;
679 polling = 50; /* ms */
680 break;
681 break;
682 }
683 if (NULL == ir_codes) {
684 printk("%s: Oops: IR config error [card=%d]\n",
685 dev->name, dev->board);
686 return -ENODEV;
687 }
688
689 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
690 input_dev = input_allocate_device();
691 if (!ir || !input_dev) {
692 err = -ENOMEM;
693 goto err_out_free;
694 }
695
696 ir->dev = input_dev;
697
698 /* init hardware-specific stuff */
699 ir->mask_keycode = mask_keycode;
700 ir->mask_keydown = mask_keydown;
701 ir->mask_keyup = mask_keyup;
702 ir->polling = polling;
703 ir->rc5_gpio = rc5_gpio;
704 ir->nec_gpio = nec_gpio;
705
706 /* init input device */
707 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
708 saa7134_boards[dev->board].name);
709 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
710 pci_name(dev->pci));
711
712 err = ir_input_init(input_dev, &ir->ir, ir_type);
713 if (err < 0)
714 goto err_out_free;
715
716 input_dev->name = ir->name;
717 input_dev->phys = ir->phys;
718 input_dev->id.bustype = BUS_PCI;
719 input_dev->id.version = 1;
720 if (dev->pci->subsystem_vendor) {
721 input_dev->id.vendor = dev->pci->subsystem_vendor;
722 input_dev->id.product = dev->pci->subsystem_device;
723 } else {
724 input_dev->id.vendor = dev->pci->vendor;
725 input_dev->id.product = dev->pci->device;
726 }
727 input_dev->dev.parent = &dev->pci->dev;
728
729 dev->remote = ir;
730 saa7134_ir_start(dev, ir);
731
732 err = ir_input_register(ir->dev, ir_codes, NULL);
733 if (err)
734 goto err_out_stop;
735
736 /* the remote isn't as bouncy as a keyboard */
737 ir->dev->rep[REP_DELAY] = repeat_delay;
738 ir->dev->rep[REP_PERIOD] = repeat_period;
739
740 return 0;
741
742 err_out_stop:
743 saa7134_ir_stop(dev);
744 dev->remote = NULL;
745 err_out_free:
746 kfree(ir);
747 return err;
748 }
749
750 void saa7134_input_fini(struct saa7134_dev *dev)
751 {
752 if (NULL == dev->remote)
753 return;
754
755 saa7134_ir_stop(dev);
756 ir_input_unregister(dev->remote->dev);
757 kfree(dev->remote);
758 dev->remote = NULL;
759 }
760
761 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
762 {
763 struct i2c_board_info info;
764
765 struct i2c_msg msg_msi = {
766 .addr = 0x50,
767 .flags = I2C_M_RD,
768 .len = 0,
769 .buf = NULL,
770 };
771
772 int rc;
773
774 if (disable_ir) {
775 dprintk("IR has been disabled, not probing for i2c remote\n");
776 return;
777 }
778
779 memset(&info, 0, sizeof(struct i2c_board_info));
780 memset(&dev->init_data, 0, sizeof(dev->init_data));
781 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
782
783 switch (dev->board) {
784 case SAA7134_BOARD_PINNACLE_PCTV_110i:
785 case SAA7134_BOARD_PINNACLE_PCTV_310i:
786 dev->init_data.name = "Pinnacle PCTV";
787 if (pinnacle_remote == 0) {
788 dev->init_data.get_key = get_key_pinnacle_color;
789 dev->init_data.ir_codes = &ir_codes_pinnacle_color_table;
790 info.addr = 0x47;
791 } else {
792 dev->init_data.get_key = get_key_pinnacle_grey;
793 dev->init_data.ir_codes = &ir_codes_pinnacle_grey_table;
794 info.addr = 0x47;
795 }
796 break;
797 case SAA7134_BOARD_UPMOST_PURPLE_TV:
798 dev->init_data.name = "Purple TV";
799 dev->init_data.get_key = get_key_purpletv;
800 dev->init_data.ir_codes = &ir_codes_purpletv_table;
801 info.addr = 0x7a;
802 break;
803 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
804 dev->init_data.name = "MSI TV@nywhere Plus";
805 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
806 dev->init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table;
807 info.addr = 0x30;
808 /* MSI TV@nywhere Plus controller doesn't seem to
809 respond to probes unless we read something from
810 an existing device. Weird...
811 REVISIT: might no longer be needed */
812 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
813 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
814 msg_msi.addr, dev->i2c_adap.name,
815 (1 == rc) ? "yes" : "no");
816 break;
817 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
818 dev->init_data.name = "HVR 1110";
819 dev->init_data.get_key = get_key_hvr1110;
820 dev->init_data.ir_codes = &ir_codes_hauppauge_new_table;
821 info.addr = 0x71;
822 break;
823 case SAA7134_BOARD_BEHOLD_607FM_MK3:
824 case SAA7134_BOARD_BEHOLD_607FM_MK5:
825 case SAA7134_BOARD_BEHOLD_609FM_MK3:
826 case SAA7134_BOARD_BEHOLD_609FM_MK5:
827 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
828 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
829 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
830 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
831 case SAA7134_BOARD_BEHOLD_M6:
832 case SAA7134_BOARD_BEHOLD_M63:
833 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
834 case SAA7134_BOARD_BEHOLD_H6:
835 case SAA7134_BOARD_BEHOLD_X7:
836 dev->init_data.name = "BeholdTV";
837 dev->init_data.get_key = get_key_beholdm6xx;
838 dev->init_data.ir_codes = &ir_codes_behold_table;
839 info.addr = 0x2d;
840 break;
841 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
842 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
843 info.addr = 0x40;
844 break;
845 case SAA7134_BOARD_FLYDVB_TRIO:
846 dev->init_data.name = "FlyDVB Trio";
847 dev->init_data.get_key = get_key_flydvb_trio;
848 dev->init_data.ir_codes = &ir_codes_flydvb_table;
849 info.addr = 0x0b;
850 break;
851 default:
852 dprintk("No I2C IR support for board %x\n", dev->board);
853 return;
854 }
855
856 if (dev->init_data.name)
857 info.platform_data = &dev->init_data;
858 i2c_new_device(&dev->i2c_adap, &info);
859 }
860
861 static int saa7134_rc5_irq(struct saa7134_dev *dev)
862 {
863 struct card_ir *ir = dev->remote;
864 struct timeval tv;
865 u32 gap;
866 unsigned long current_jiffies, timeout;
867
868 /* get time of bit */
869 current_jiffies = jiffies;
870 do_gettimeofday(&tv);
871
872 /* avoid overflow with gap >1s */
873 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
874 gap = 200000;
875 } else {
876 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
877 tv.tv_usec - ir->base_time.tv_usec;
878 }
879
880 /* active code => add bit */
881 if (ir->active) {
882 /* only if in the code (otherwise spurious IRQ or timer
883 late) */
884 if (ir->last_bit < 28) {
885 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
886 ir_rc5_remote_gap;
887 ir->code |= 1 << ir->last_bit;
888 }
889 /* starting new code */
890 } else {
891 ir->active = 1;
892 ir->code = 0;
893 ir->base_time = tv;
894 ir->last_bit = 0;
895
896 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
897 mod_timer(&ir->timer_end, timeout);
898 }
899
900 return 1;
901 }
902
903
904 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
905 The first pulse (start) has 9 + 4.5 ms
906 */
907
908 static void saa7134_nec_timer(unsigned long data)
909 {
910 struct saa7134_dev *dev = (struct saa7134_dev *) data;
911 struct card_ir *ir = dev->remote;
912
913 dprintk("Cancel key repeat\n");
914
915 ir_input_nokey(ir->dev, &ir->ir);
916 }
917
918 static void nec_task(unsigned long data)
919 {
920 struct saa7134_dev *dev = (struct saa7134_dev *) data;
921 struct card_ir *ir;
922 struct timeval tv;
923 int count, pulse, oldpulse, gap;
924 u32 ircode = 0, not_code = 0;
925 int ngap = 0;
926
927 if (!data) {
928 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
929 /* GPIO will be kept disabled */
930 return;
931 }
932
933 ir = dev->remote;
934
935 /* rising SAA7134_GPIO_GPRESCAN reads the status */
936 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
937 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
938
939 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
940 pulse = oldpulse;
941
942 do_gettimeofday(&tv);
943 ir->base_time = tv;
944
945 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
946 Unfortunately, using IRQ to decode pulse didn't work, since it uses
947 a pulse train of 38KHz. This means one pulse on each 52 us
948 */
949 do {
950 /* Wait until the end of pulse/space or 5 ms */
951 for (count = 0; count < 500; count++) {
952 udelay(10);
953 /* rising SAA7134_GPIO_GPRESCAN reads the status */
954 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
955 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
956 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
957 & ir->mask_keydown;
958 if (pulse != oldpulse)
959 break;
960 }
961
962 do_gettimeofday(&tv);
963 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
964 tv.tv_usec - ir->base_time.tv_usec;
965
966 if (!pulse) {
967 /* Bit 0 has 560 us, while bit 1 has 1120 us.
968 Do something only if bit == 1
969 */
970 if (ngap && (gap > 560 + 280)) {
971 unsigned int shift = ngap - 1;
972
973 /* Address first, then command */
974 if (shift < 8) {
975 shift += 8;
976 ircode |= 1 << shift;
977 } else if (shift < 16) {
978 not_code |= 1 << shift;
979 } else if (shift < 24) {
980 shift -= 16;
981 ircode |= 1 << shift;
982 } else {
983 shift -= 24;
984 not_code |= 1 << shift;
985 }
986 }
987 ngap++;
988 }
989
990
991 ir->base_time = tv;
992
993 /* TIMEOUT - Long pulse */
994 if (gap >= 5000)
995 break;
996 oldpulse = pulse;
997 } while (ngap < 32);
998
999 if (ngap == 32) {
1000 /* FIXME: should check if not_code == ~ircode */
1001 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
1002
1003 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
1004 ir->code, ircode, not_code);
1005
1006 ir_input_keydown(ir->dev, &ir->ir, ir->code);
1007 } else
1008 dprintk("Repeat last key\n");
1009
1010 /* Keep repeating the last key */
1011 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
1012
1013 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1014 }
1015
1016 static int saa7134_nec_irq(struct saa7134_dev *dev)
1017 {
1018 struct card_ir *ir = dev->remote;
1019
1020 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1021 tasklet_schedule(&ir->tlet);
1022
1023 return 1;
1024 }