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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.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 static unsigned int disable_ir;
32 module_param(disable_ir, int, 0444);
33 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
34
35 static unsigned int ir_debug;
36 module_param(ir_debug, int, 0644);
37 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
38
39 static int pinnacle_remote;
40 module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
41 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
42
43 static int ir_rc5_remote_gap = 885;
44 module_param(ir_rc5_remote_gap, int, 0644);
45 static int ir_rc5_key_timeout = 115;
46 module_param(ir_rc5_key_timeout, int, 0644);
47
48 static int repeat_delay = 500;
49 module_param(repeat_delay, int, 0644);
50 MODULE_PARM_DESC(repeat_delay, "delay before key repeat started");
51 static int repeat_period = 33;
52 module_param(repeat_period, int, 0644);
53 MODULE_PARM_DESC(repeat_period, "repeat period between "
54 "keypresses when key is down");
55
56 static unsigned int disable_other_ir;
57 module_param(disable_other_ir, int, 0644);
58 MODULE_PARM_DESC(disable_other_ir, "disable full codes of "
59 "alternative remotes from other manufacturers");
60
61 #define dprintk(fmt, arg...) if (ir_debug) \
62 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
63 #define i2cdprintk(fmt, arg...) if (ir_debug) \
64 printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
65
66 /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
67 static int saa7134_rc5_irq(struct saa7134_dev *dev);
68 static int saa7134_nec_irq(struct saa7134_dev *dev);
69 static void nec_task(unsigned long data);
70 static void saa7134_nec_timer(unsigned long data);
71
72 /* -------------------- GPIO generic keycode builder -------------------- */
73
74 static int build_key(struct saa7134_dev *dev)
75 {
76 struct card_ir *ir = dev->remote;
77 u32 gpio, data;
78
79 /* here comes the additional handshake steps for some cards */
80 switch (dev->board) {
81 case SAA7134_BOARD_GOTVIEW_7135:
82 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
83 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
84 break;
85 }
86 /* rising SAA7134_GPIO_GPRESCAN reads the status */
87 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
88 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
89
90 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
91 if (ir->polling) {
92 if (ir->last_gpio == gpio)
93 return 0;
94 ir->last_gpio = gpio;
95 }
96
97 data = ir_extract_bits(gpio, ir->mask_keycode);
98 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
99 gpio, ir->mask_keycode, data);
100
101 switch (dev->board) {
102 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
103 if (data == ir->mask_keycode)
104 ir_input_nokey(ir->dev, &ir->ir);
105 else
106 ir_input_keydown(ir->dev, &ir->ir, data);
107 return 0;
108 }
109
110 if (ir->polling) {
111 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
112 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
113 ir_input_keydown(ir->dev, &ir->ir, data);
114 } else {
115 ir_input_nokey(ir->dev, &ir->ir);
116 }
117 }
118 else { /* IRQ driven mode - handle key press and release in one go */
119 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
120 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
121 ir_input_keydown(ir->dev, &ir->ir, data);
122 ir_input_nokey(ir->dev, &ir->ir);
123 }
124 }
125
126 return 0;
127 }
128
129 /* --------------------- Chip specific I2C key builders ----------------- */
130
131 static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
132 {
133 int gpio;
134 int attempt = 0;
135 unsigned char b;
136
137 /* We need this to access GPI Used by the saa_readl macro. */
138 struct saa7134_dev *dev = ir->c->adapter->algo_data;
139
140 if (dev == NULL) {
141 dprintk("get_key_flydvb_trio: "
142 "gir->c->adapter->algo_data is NULL!\n");
143 return -EIO;
144 }
145
146 /* rising SAA7134_GPIGPRESCAN reads the status */
147 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
148 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
149
150 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
151
152 if (0x40000 & ~gpio)
153 return 0; /* No button press */
154
155 /* No button press - only before first key pressed */
156 if (b == 0xFF)
157 return 0;
158
159 /* poll IR chip */
160 /* weak up the IR chip */
161 b = 0;
162
163 while (1 != i2c_master_send(ir->c, &b, 1)) {
164 if ((attempt++) < 10) {
165 /*
166 * wait a bit for next attempt -
167 * I don't know how make it better
168 */
169 msleep(10);
170 continue;
171 }
172 i2cdprintk("send wake up byte to pic16C505 (IR chip)"
173 "failed %dx\n", attempt);
174 return -EIO;
175 }
176 if (1 != i2c_master_recv(ir->c, &b, 1)) {
177 i2cdprintk("read error\n");
178 return -EIO;
179 }
180
181 *ir_key = b;
182 *ir_raw = b;
183 return 1;
184 }
185
186 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
187 u32 *ir_raw)
188 {
189 unsigned char b;
190 int gpio;
191
192 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
193 struct saa7134_dev *dev = ir->c->adapter->algo_data;
194 if (dev == NULL) {
195 dprintk("get_key_msi_tvanywhere_plus: "
196 "gir->c->adapter->algo_data is NULL!\n");
197 return -EIO;
198 }
199
200 /* rising SAA7134_GPIO_GPRESCAN reads the status */
201
202 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
203 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
204
205 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
206
207 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
208 I2C receive if gpio&0x40 is not low. */
209
210 if (gpio & 0x40)
211 return 0; /* No button press */
212
213 /* GPIO says there is a button press. Get it. */
214
215 if (1 != i2c_master_recv(ir->c, &b, 1)) {
216 i2cdprintk("read error\n");
217 return -EIO;
218 }
219
220 /* No button press */
221
222 if (b == 0xff)
223 return 0;
224
225 /* Button pressed */
226
227 dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
228 *ir_key = b;
229 *ir_raw = b;
230 return 1;
231 }
232
233 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
234 {
235 unsigned char b;
236
237 /* poll IR chip */
238 if (1 != i2c_master_recv(ir->c, &b, 1)) {
239 i2cdprintk("read error\n");
240 return -EIO;
241 }
242
243 /* no button press */
244 if (b==0)
245 return 0;
246
247 /* repeating */
248 if (b & 0x80)
249 return 1;
250
251 *ir_key = b;
252 *ir_raw = b;
253 return 1;
254 }
255
256 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
257 {
258 unsigned char buf[5], cod4, code3, code4;
259
260 /* poll IR chip */
261 if (5 != i2c_master_recv(ir->c, buf, 5))
262 return -EIO;
263
264 cod4 = buf[4];
265 code4 = (cod4 >> 2);
266 code3 = buf[3];
267 if (code3 == 0)
268 /* no key pressed */
269 return 0;
270
271 /* return key */
272 *ir_key = code4;
273 *ir_raw = code4;
274 return 1;
275 }
276
277
278 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
279 {
280 unsigned char data[12];
281 u32 gpio;
282
283 struct saa7134_dev *dev = ir->c->adapter->algo_data;
284
285 /* rising SAA7134_GPIO_GPRESCAN reads the status */
286 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
287 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
288
289 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
290
291 if (0x400000 & ~gpio)
292 return 0; /* No button press */
293
294 ir->c->addr = 0x5a >> 1;
295
296 if (12 != i2c_master_recv(ir->c, data, 12)) {
297 i2cdprintk("read error\n");
298 return -EIO;
299 }
300 /* IR of this card normally decode signals NEC-standard from
301 * - Sven IHOO MT 5.1R remote. xxyye718
302 * - Sven DVD HD-10xx remote. xxyyf708
303 * - BBK ...
304 * - mayby others
305 * So, skip not our, if disable full codes mode.
306 */
307 if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir)
308 return 0;
309
310 /* Wrong data decode fix */
311 if (data[9] != (unsigned char)(~data[8]))
312 return 0;
313
314 *ir_key = data[9];
315 *ir_raw = data[9];
316
317 return 1;
318 }
319
320 /* Common (grey or coloured) pinnacle PCTV remote handling
321 *
322 */
323 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
324 int parity_offset, int marker, int code_modulo)
325 {
326 unsigned char b[4];
327 unsigned int start = 0,parity = 0,code = 0;
328
329 /* poll IR chip */
330 if (4 != i2c_master_recv(ir->c, b, 4)) {
331 i2cdprintk("read error\n");
332 return -EIO;
333 }
334
335 for (start = 0; start < ARRAY_SIZE(b); start++) {
336 if (b[start] == marker) {
337 code=b[(start+parity_offset + 1) % 4];
338 parity=b[(start+parity_offset) % 4];
339 }
340 }
341
342 /* Empty Request */
343 if (parity == 0)
344 return 0;
345
346 /* Repeating... */
347 if (ir->old == parity)
348 return 0;
349
350 ir->old = parity;
351
352 /* drop special codes when a key is held down a long time for the grey controller
353 In this case, the second bit of the code is asserted */
354 if (marker == 0xfe && (code & 0x40))
355 return 0;
356
357 code %= code_modulo;
358
359 *ir_raw = code;
360 *ir_key = code;
361
362 i2cdprintk("Pinnacle PCTV key %02x\n", code);
363
364 return 1;
365 }
366
367 /* The grey pinnacle PCTV remote
368 *
369 * There are one issue with this remote:
370 * - I2c packet does not change when the same key is pressed quickly. The workaround
371 * is to hold down each key for about half a second, so that another code is generated
372 * in the i2c packet, and the function can distinguish key presses.
373 *
374 * Sylvain Pasche <sylvain.pasche@gmail.com>
375 */
376 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
377 {
378
379 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
380 }
381
382
383 /* The new pinnacle PCTV remote (with the colored buttons)
384 *
385 * Ricardo Cerqueira <v4l@cerqueira.org>
386 */
387 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
388 {
389 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
390 *
391 * this is the only value that results in 42 unique
392 * codes < 128
393 */
394
395 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
396 }
397
398 void saa7134_input_irq(struct saa7134_dev *dev)
399 {
400 struct card_ir *ir = dev->remote;
401
402 if (ir->nec_gpio) {
403 saa7134_nec_irq(dev);
404 } else if (!ir->polling && !ir->rc5_gpio) {
405 build_key(dev);
406 } else if (ir->rc5_gpio) {
407 saa7134_rc5_irq(dev);
408 }
409 }
410
411 static void saa7134_input_timer(unsigned long data)
412 {
413 struct saa7134_dev *dev = (struct saa7134_dev *)data;
414 struct card_ir *ir = dev->remote;
415
416 build_key(dev);
417 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
418 }
419
420 void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir)
421 {
422 if (ir->polling) {
423 setup_timer(&ir->timer, saa7134_input_timer,
424 (unsigned long)dev);
425 ir->timer.expires = jiffies + HZ;
426 add_timer(&ir->timer);
427 } else if (ir->rc5_gpio) {
428 /* set timer_end for code completion */
429 init_timer(&ir->timer_end);
430 ir->timer_end.function = ir_rc5_timer_end;
431 ir->timer_end.data = (unsigned long)ir;
432 init_timer(&ir->timer_keyup);
433 ir->timer_keyup.function = ir_rc5_timer_keyup;
434 ir->timer_keyup.data = (unsigned long)ir;
435 ir->shift_by = 2;
436 ir->start = 0x2;
437 ir->addr = 0x17;
438 ir->rc5_key_timeout = ir_rc5_key_timeout;
439 ir->rc5_remote_gap = ir_rc5_remote_gap;
440 } else if (ir->nec_gpio) {
441 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
442 (unsigned long)dev);
443 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
444 }
445 }
446
447 void saa7134_ir_stop(struct saa7134_dev *dev)
448 {
449 if (dev->remote->polling)
450 del_timer_sync(&dev->remote->timer);
451 }
452
453 int saa7134_input_init1(struct saa7134_dev *dev)
454 {
455 struct card_ir *ir;
456 struct input_dev *input_dev;
457 struct ir_scancode_table *ir_codes = NULL;
458 u32 mask_keycode = 0;
459 u32 mask_keydown = 0;
460 u32 mask_keyup = 0;
461 int polling = 0;
462 int rc5_gpio = 0;
463 int nec_gpio = 0;
464 u64 ir_type = IR_TYPE_OTHER;
465 int err;
466
467 if (dev->has_remote != SAA7134_REMOTE_GPIO)
468 return -ENODEV;
469 if (disable_ir)
470 return -ENODEV;
471
472 /* detect & configure */
473 switch (dev->board) {
474 case SAA7134_BOARD_FLYVIDEO2000:
475 case SAA7134_BOARD_FLYVIDEO3000:
476 case SAA7134_BOARD_FLYTVPLATINUM_FM:
477 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
478 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
479 ir_codes = &ir_codes_flyvideo_table;
480 mask_keycode = 0xEC00000;
481 mask_keydown = 0x0040000;
482 break;
483 case SAA7134_BOARD_CINERGY400:
484 case SAA7134_BOARD_CINERGY600:
485 case SAA7134_BOARD_CINERGY600_MK3:
486 ir_codes = &ir_codes_cinergy_table;
487 mask_keycode = 0x00003f;
488 mask_keyup = 0x040000;
489 break;
490 case SAA7134_BOARD_ECS_TVP3XP:
491 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
492 ir_codes = &ir_codes_eztv_table;
493 mask_keycode = 0x00017c;
494 mask_keyup = 0x000002;
495 polling = 50; // ms
496 break;
497 case SAA7134_BOARD_KWORLD_XPERT:
498 case SAA7134_BOARD_AVACSSMARTTV:
499 ir_codes = &ir_codes_pixelview_table;
500 mask_keycode = 0x00001F;
501 mask_keyup = 0x000020;
502 polling = 50; // ms
503 break;
504 case SAA7134_BOARD_MD2819:
505 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
506 case SAA7134_BOARD_AVERMEDIA_305:
507 case SAA7134_BOARD_AVERMEDIA_307:
508 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
509 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
510 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
511 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
512 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
513 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
514 case SAA7134_BOARD_AVERMEDIA_M102:
515 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
516 ir_codes = &ir_codes_avermedia_table;
517 mask_keycode = 0x0007C8;
518 mask_keydown = 0x000010;
519 polling = 50; // ms
520 /* Set GPIO pin2 to high to enable the IR controller */
521 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
522 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
523 break;
524 case SAA7134_BOARD_AVERMEDIA_M135A:
525 ir_codes = &ir_codes_avermedia_m135a_table;
526 mask_keydown = 0x0040000;
527 mask_keycode = 0x00013f;
528 nec_gpio = 1;
529 break;
530 case SAA7134_BOARD_AVERMEDIA_777:
531 case SAA7134_BOARD_AVERMEDIA_A16AR:
532 ir_codes = &ir_codes_avermedia_table;
533 mask_keycode = 0x02F200;
534 mask_keydown = 0x000400;
535 polling = 50; // ms
536 /* Without this we won't receive key up events */
537 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
538 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
539 break;
540 case SAA7134_BOARD_AVERMEDIA_A16D:
541 ir_codes = &ir_codes_avermedia_a16d_table;
542 mask_keycode = 0x02F200;
543 mask_keydown = 0x000400;
544 polling = 50; /* ms */
545 /* Without this we won't receive key up events */
546 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
547 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
548 break;
549 case SAA7134_BOARD_KWORLD_TERMINATOR:
550 ir_codes = &ir_codes_pixelview_table;
551 mask_keycode = 0x00001f;
552 mask_keyup = 0x000060;
553 polling = 50; // ms
554 break;
555 case SAA7134_BOARD_MANLI_MTV001:
556 case SAA7134_BOARD_MANLI_MTV002:
557 ir_codes = &ir_codes_manli_table;
558 mask_keycode = 0x001f00;
559 mask_keyup = 0x004000;
560 polling = 50; /* ms */
561 break;
562 case SAA7134_BOARD_BEHOLD_409FM:
563 case SAA7134_BOARD_BEHOLD_401:
564 case SAA7134_BOARD_BEHOLD_403:
565 case SAA7134_BOARD_BEHOLD_403FM:
566 case SAA7134_BOARD_BEHOLD_405:
567 case SAA7134_BOARD_BEHOLD_405FM:
568 case SAA7134_BOARD_BEHOLD_407:
569 case SAA7134_BOARD_BEHOLD_407FM:
570 case SAA7134_BOARD_BEHOLD_409:
571 case SAA7134_BOARD_BEHOLD_505FM:
572 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
573 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
574 case SAA7134_BOARD_BEHOLD_507_9FM:
575 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
576 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
577 ir_codes = &ir_codes_manli_table;
578 mask_keycode = 0x003f00;
579 mask_keyup = 0x004000;
580 polling = 50; /* ms */
581 break;
582 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
583 ir_codes = &ir_codes_behold_columbus_table;
584 mask_keycode = 0x003f00;
585 mask_keyup = 0x004000;
586 polling = 50; // ms
587 break;
588 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
589 ir_codes = &ir_codes_pctv_sedna_table;
590 mask_keycode = 0x001f00;
591 mask_keyup = 0x004000;
592 polling = 50; // ms
593 break;
594 case SAA7134_BOARD_GOTVIEW_7135:
595 ir_codes = &ir_codes_gotview7135_table;
596 mask_keycode = 0x0003CC;
597 mask_keydown = 0x000010;
598 polling = 5; /* ms */
599 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
600 break;
601 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
602 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
603 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
604 ir_codes = &ir_codes_videomate_tv_pvr_table;
605 mask_keycode = 0x00003F;
606 mask_keyup = 0x400000;
607 polling = 50; // ms
608 break;
609 case SAA7134_BOARD_PROTEUS_2309:
610 ir_codes = &ir_codes_proteus_2309_table;
611 mask_keycode = 0x00007F;
612 mask_keyup = 0x000080;
613 polling = 50; // ms
614 break;
615 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
616 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
617 ir_codes = &ir_codes_videomate_tv_pvr_table;
618 mask_keycode = 0x003F00;
619 mask_keyup = 0x040000;
620 break;
621 case SAA7134_BOARD_FLYDVBS_LR300:
622 case SAA7134_BOARD_FLYDVBT_LR301:
623 case SAA7134_BOARD_FLYDVBTDUO:
624 ir_codes = &ir_codes_flydvb_table;
625 mask_keycode = 0x0001F00;
626 mask_keydown = 0x0040000;
627 break;
628 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
629 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
630 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
631 ir_codes = &ir_codes_asus_pc39_table;
632 mask_keydown = 0x0040000;
633 rc5_gpio = 1;
634 break;
635 case SAA7134_BOARD_ENCORE_ENLTV:
636 case SAA7134_BOARD_ENCORE_ENLTV_FM:
637 ir_codes = &ir_codes_encore_enltv_table;
638 mask_keycode = 0x00007f;
639 mask_keyup = 0x040000;
640 polling = 50; // ms
641 break;
642 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
643 ir_codes = &ir_codes_encore_enltv_fm53_table;
644 mask_keydown = 0x0040000;
645 mask_keycode = 0x00007f;
646 nec_gpio = 1;
647 break;
648 case SAA7134_BOARD_10MOONSTVMASTER3:
649 ir_codes = &ir_codes_encore_enltv_table;
650 mask_keycode = 0x5f80000;
651 mask_keyup = 0x8000000;
652 polling = 50; //ms
653 break;
654 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
655 ir_codes = &ir_codes_genius_tvgo_a11mce_table;
656 mask_keycode = 0xff;
657 mask_keydown = 0xf00000;
658 polling = 50; /* ms */
659 break;
660 case SAA7134_BOARD_REAL_ANGEL_220:
661 ir_codes = &ir_codes_real_audio_220_32_keys_table;
662 mask_keycode = 0x3f00;
663 mask_keyup = 0x4000;
664 polling = 50; /* ms */
665 break;
666 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
667 ir_codes = &ir_codes_kworld_plus_tv_analog_table;
668 mask_keycode = 0x7f;
669 polling = 40; /* ms */
670 break;
671 case SAA7134_BOARD_VIDEOMATE_S350:
672 ir_codes = &ir_codes_videomate_s350_table;
673 mask_keycode = 0x003f00;
674 mask_keydown = 0x040000;
675 break;
676 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
677 ir_codes = &ir_codes_winfast_table;
678 mask_keycode = 0x5f00;
679 mask_keyup = 0x020000;
680 polling = 50; /* ms */
681 break;
682 break;
683 }
684 if (NULL == ir_codes) {
685 printk("%s: Oops: IR config error [card=%d]\n",
686 dev->name, dev->board);
687 return -ENODEV;
688 }
689
690 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
691 input_dev = input_allocate_device();
692 if (!ir || !input_dev) {
693 err = -ENOMEM;
694 goto err_out_free;
695 }
696
697 ir->dev = input_dev;
698
699 /* init hardware-specific stuff */
700 ir->mask_keycode = mask_keycode;
701 ir->mask_keydown = mask_keydown;
702 ir->mask_keyup = mask_keyup;
703 ir->polling = polling;
704 ir->rc5_gpio = rc5_gpio;
705 ir->nec_gpio = nec_gpio;
706
707 /* init input device */
708 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
709 saa7134_boards[dev->board].name);
710 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
711 pci_name(dev->pci));
712
713 err = ir_input_init(input_dev, &ir->ir, ir_type);
714 if (err < 0)
715 goto err_out_free;
716
717 input_dev->name = ir->name;
718 input_dev->phys = ir->phys;
719 input_dev->id.bustype = BUS_PCI;
720 input_dev->id.version = 1;
721 if (dev->pci->subsystem_vendor) {
722 input_dev->id.vendor = dev->pci->subsystem_vendor;
723 input_dev->id.product = dev->pci->subsystem_device;
724 } else {
725 input_dev->id.vendor = dev->pci->vendor;
726 input_dev->id.product = dev->pci->device;
727 }
728 input_dev->dev.parent = &dev->pci->dev;
729
730 dev->remote = ir;
731 saa7134_ir_start(dev, ir);
732
733 err = ir_input_register(ir->dev, ir_codes, NULL);
734 if (err)
735 goto err_out_stop;
736
737 /* the remote isn't as bouncy as a keyboard */
738 ir->dev->rep[REP_DELAY] = repeat_delay;
739 ir->dev->rep[REP_PERIOD] = repeat_period;
740
741 return 0;
742
743 err_out_stop:
744 saa7134_ir_stop(dev);
745 dev->remote = NULL;
746 err_out_free:
747 kfree(ir);
748 return err;
749 }
750
751 void saa7134_input_fini(struct saa7134_dev *dev)
752 {
753 if (NULL == dev->remote)
754 return;
755
756 saa7134_ir_stop(dev);
757 ir_input_unregister(dev->remote->dev);
758 kfree(dev->remote);
759 dev->remote = NULL;
760 }
761
762 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
763 {
764 struct i2c_board_info info;
765
766 struct i2c_msg msg_msi = {
767 .addr = 0x50,
768 .flags = I2C_M_RD,
769 .len = 0,
770 .buf = NULL,
771 };
772
773 int rc;
774
775 if (disable_ir) {
776 dprintk("IR has been disabled, not probing for i2c remote\n");
777 return;
778 }
779
780 memset(&info, 0, sizeof(struct i2c_board_info));
781 memset(&dev->init_data, 0, sizeof(dev->init_data));
782 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
783
784 switch (dev->board) {
785 case SAA7134_BOARD_PINNACLE_PCTV_110i:
786 case SAA7134_BOARD_PINNACLE_PCTV_310i:
787 dev->init_data.name = "Pinnacle PCTV";
788 if (pinnacle_remote == 0) {
789 dev->init_data.get_key = get_key_pinnacle_color;
790 dev->init_data.ir_codes = &ir_codes_pinnacle_color_table;
791 info.addr = 0x47;
792 } else {
793 dev->init_data.get_key = get_key_pinnacle_grey;
794 dev->init_data.ir_codes = &ir_codes_pinnacle_grey_table;
795 info.addr = 0x47;
796 }
797 break;
798 case SAA7134_BOARD_UPMOST_PURPLE_TV:
799 dev->init_data.name = "Purple TV";
800 dev->init_data.get_key = get_key_purpletv;
801 dev->init_data.ir_codes = &ir_codes_purpletv_table;
802 info.addr = 0x7a;
803 break;
804 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
805 dev->init_data.name = "MSI TV@nywhere Plus";
806 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
807 dev->init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table;
808 info.addr = 0x30;
809 /* MSI TV@nywhere Plus controller doesn't seem to
810 respond to probes unless we read something from
811 an existing device. Weird...
812 REVISIT: might no longer be needed */
813 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
814 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
815 msg_msi.addr, dev->i2c_adap.name,
816 (1 == rc) ? "yes" : "no");
817 break;
818 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
819 dev->init_data.name = "HVR 1110";
820 dev->init_data.get_key = get_key_hvr1110;
821 dev->init_data.ir_codes = &ir_codes_hauppauge_new_table;
822 info.addr = 0x71;
823 break;
824 case SAA7134_BOARD_BEHOLD_607FM_MK3:
825 case SAA7134_BOARD_BEHOLD_607FM_MK5:
826 case SAA7134_BOARD_BEHOLD_609FM_MK3:
827 case SAA7134_BOARD_BEHOLD_609FM_MK5:
828 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
829 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
830 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
831 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
832 case SAA7134_BOARD_BEHOLD_M6:
833 case SAA7134_BOARD_BEHOLD_M63:
834 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
835 case SAA7134_BOARD_BEHOLD_H6:
836 case SAA7134_BOARD_BEHOLD_X7:
837 dev->init_data.name = "BeholdTV";
838 dev->init_data.get_key = get_key_beholdm6xx;
839 dev->init_data.ir_codes = &ir_codes_behold_table;
840 info.addr = 0x2d;
841 break;
842 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
843 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
844 info.addr = 0x40;
845 break;
846 case SAA7134_BOARD_FLYDVB_TRIO:
847 dev->init_data.name = "FlyDVB Trio";
848 dev->init_data.get_key = get_key_flydvb_trio;
849 dev->init_data.ir_codes = &ir_codes_flydvb_table;
850 info.addr = 0x0b;
851 break;
852 default:
853 dprintk("No I2C IR support for board %x\n", dev->board);
854 return;
855 }
856
857 if (dev->init_data.name)
858 info.platform_data = &dev->init_data;
859 i2c_new_device(&dev->i2c_adap, &info);
860 }
861
862 static int saa7134_rc5_irq(struct saa7134_dev *dev)
863 {
864 struct card_ir *ir = dev->remote;
865 struct timeval tv;
866 u32 gap;
867 unsigned long current_jiffies, timeout;
868
869 /* get time of bit */
870 current_jiffies = jiffies;
871 do_gettimeofday(&tv);
872
873 /* avoid overflow with gap >1s */
874 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
875 gap = 200000;
876 } else {
877 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
878 tv.tv_usec - ir->base_time.tv_usec;
879 }
880
881 /* active code => add bit */
882 if (ir->active) {
883 /* only if in the code (otherwise spurious IRQ or timer
884 late) */
885 if (ir->last_bit < 28) {
886 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
887 ir_rc5_remote_gap;
888 ir->code |= 1 << ir->last_bit;
889 }
890 /* starting new code */
891 } else {
892 ir->active = 1;
893 ir->code = 0;
894 ir->base_time = tv;
895 ir->last_bit = 0;
896
897 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
898 mod_timer(&ir->timer_end, timeout);
899 }
900
901 return 1;
902 }
903
904
905 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
906 The first pulse (start) has 9 + 4.5 ms
907 */
908
909 static void saa7134_nec_timer(unsigned long data)
910 {
911 struct saa7134_dev *dev = (struct saa7134_dev *) data;
912 struct card_ir *ir = dev->remote;
913
914 dprintk("Cancel key repeat\n");
915
916 ir_input_nokey(ir->dev, &ir->ir);
917 }
918
919 static void nec_task(unsigned long data)
920 {
921 struct saa7134_dev *dev = (struct saa7134_dev *) data;
922 struct card_ir *ir;
923 struct timeval tv;
924 int count, pulse, oldpulse, gap;
925 u32 ircode = 0, not_code = 0;
926 int ngap = 0;
927
928 if (!data) {
929 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
930 /* GPIO will be kept disabled */
931 return;
932 }
933
934 ir = dev->remote;
935
936 /* rising SAA7134_GPIO_GPRESCAN reads the status */
937 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
938 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
939
940 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
941 pulse = oldpulse;
942
943 do_gettimeofday(&tv);
944 ir->base_time = tv;
945
946 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
947 Unfortunately, using IRQ to decode pulse didn't work, since it uses
948 a pulse train of 38KHz. This means one pulse on each 52 us
949 */
950 do {
951 /* Wait until the end of pulse/space or 5 ms */
952 for (count = 0; count < 500; count++) {
953 udelay(10);
954 /* rising SAA7134_GPIO_GPRESCAN reads the status */
955 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
956 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
957 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
958 & ir->mask_keydown;
959 if (pulse != oldpulse)
960 break;
961 }
962
963 do_gettimeofday(&tv);
964 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
965 tv.tv_usec - ir->base_time.tv_usec;
966
967 if (!pulse) {
968 /* Bit 0 has 560 us, while bit 1 has 1120 us.
969 Do something only if bit == 1
970 */
971 if (ngap && (gap > 560 + 280)) {
972 unsigned int shift = ngap - 1;
973
974 /* Address first, then command */
975 if (shift < 8) {
976 shift += 8;
977 ircode |= 1 << shift;
978 } else if (shift < 16) {
979 not_code |= 1 << shift;
980 } else if (shift < 24) {
981 shift -= 16;
982 ircode |= 1 << shift;
983 } else {
984 shift -= 24;
985 not_code |= 1 << shift;
986 }
987 }
988 ngap++;
989 }
990
991
992 ir->base_time = tv;
993
994 /* TIMEOUT - Long pulse */
995 if (gap >= 5000)
996 break;
997 oldpulse = pulse;
998 } while (ngap < 32);
999
1000 if (ngap == 32) {
1001 /* FIXME: should check if not_code == ~ircode */
1002 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
1003
1004 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
1005 ir->code, ircode, not_code);
1006
1007 ir_input_keydown(ir->dev, &ir->ir, ir->code);
1008 } else
1009 dprintk("Repeat last key\n");
1010
1011 /* Keep repeating the last key */
1012 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
1013
1014 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1015 }
1016
1017 static int saa7134_nec_irq(struct saa7134_dev *dev)
1018 {
1019 struct card_ir *ir = dev->remote;
1020
1021 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
1022 tasklet_schedule(&ir->tlet);
1023
1024 return 1;
1025 }
kernel source for telekom puls (alcatel/mediatek)