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[ARM] pxa: Gumstix Verdex PCMCIA support
[linux-2.6/verdex.git] / drivers / media / video / saa7134 / saa7134-input.c
bloba0e8c62e6ae16607c2da91e0c951b9b4d51e929a
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, 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, 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, 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_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
131 u32 *ir_raw)
132 {
133 unsigned char b;
134 int gpio;
135
136 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
137 struct saa7134_dev *dev = ir->c->adapter->algo_data;
138 if (dev == NULL) {
139 dprintk("get_key_msi_tvanywhere_plus: "
140 "gir->c->adapter->algo_data is NULL!\n");
141 return -EIO;
142 }
143
144 /* rising SAA7134_GPIO_GPRESCAN reads the status */
145
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 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
152 I2C receive if gpio&0x40 is not low. */
153
154 if (gpio & 0x40)
155 return 0; /* No button press */
156
157 /* GPIO says there is a button press. Get it. */
158
159 if (1 != i2c_master_recv(ir->c, &b, 1)) {
160 i2cdprintk("read error\n");
161 return -EIO;
162 }
163
164 /* No button press */
165
166 if (b == 0xff)
167 return 0;
168
169 /* Button pressed */
170
171 dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
172 *ir_key = b;
173 *ir_raw = b;
174 return 1;
175 }
176
177 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
178 {
179 unsigned char b;
180
181 /* poll IR chip */
182 if (1 != i2c_master_recv(ir->c, &b, 1)) {
183 i2cdprintk("read error\n");
184 return -EIO;
185 }
186
187 /* no button press */
188 if (b==0)
189 return 0;
190
191 /* repeating */
192 if (b & 0x80)
193 return 1;
194
195 *ir_key = b;
196 *ir_raw = b;
197 return 1;
198 }
199
200 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
201 {
202 unsigned char buf[5], cod4, code3, code4;
203
204 /* poll IR chip */
205 if (5 != i2c_master_recv(ir->c, buf, 5))
206 return -EIO;
207
208 cod4 = buf[4];
209 code4 = (cod4 >> 2);
210 code3 = buf[3];
211 if (code3 == 0)
212 /* no key pressed */
213 return 0;
214
215 /* return key */
216 *ir_key = code4;
217 *ir_raw = code4;
218 return 1;
219 }
220
221
222 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
223 {
224 unsigned char data[12];
225 u32 gpio;
226
227 struct saa7134_dev *dev = ir->c->adapter->algo_data;
228
229 /* rising SAA7134_GPIO_GPRESCAN reads the status */
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 if (0x400000 & ~gpio)
236 return 0; /* No button press */
237
238 ir->c->addr = 0x5a >> 1;
239
240 if (12 != i2c_master_recv(ir->c, data, 12)) {
241 i2cdprintk("read error\n");
242 return -EIO;
243 }
244 /* IR of this card normally decode signals NEC-standard from
245 * - Sven IHOO MT 5.1R remote. xxyye718
246 * - Sven DVD HD-10xx remote. xxyyf708
247 * - BBK ...
248 * - mayby others
249 * So, skip not our, if disable full codes mode.
250 */
251 if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir)
252 return 0;
253
254 /* Wrong data decode fix */
255 if (data[9] != (unsigned char)(~data[8]))
256 return 0;
257
258 *ir_key = data[9];
259 *ir_raw = data[9];
260
261 return 1;
262 }
263
264 /* Common (grey or coloured) pinnacle PCTV remote handling
265 *
266 */
267 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
268 int parity_offset, int marker, int code_modulo)
269 {
270 unsigned char b[4];
271 unsigned int start = 0,parity = 0,code = 0;
272
273 /* poll IR chip */
274 if (4 != i2c_master_recv(ir->c, b, 4)) {
275 i2cdprintk("read error\n");
276 return -EIO;
277 }
278
279 for (start = 0; start < ARRAY_SIZE(b); start++) {
280 if (b[start] == marker) {
281 code=b[(start+parity_offset + 1) % 4];
282 parity=b[(start+parity_offset) % 4];
283 }
284 }
285
286 /* Empty Request */
287 if (parity == 0)
288 return 0;
289
290 /* Repeating... */
291 if (ir->old == parity)
292 return 0;
293
294 ir->old = parity;
295
296 /* drop special codes when a key is held down a long time for the grey controller
297 In this case, the second bit of the code is asserted */
298 if (marker == 0xfe && (code & 0x40))
299 return 0;
300
301 code %= code_modulo;
302
303 *ir_raw = code;
304 *ir_key = code;
305
306 i2cdprintk("Pinnacle PCTV key %02x\n", code);
307
308 return 1;
309 }
310
311 /* The grey pinnacle PCTV remote
312 *
313 * There are one issue with this remote:
314 * - I2c packet does not change when the same key is pressed quickly. The workaround
315 * is to hold down each key for about half a second, so that another code is generated
316 * in the i2c packet, and the function can distinguish key presses.
317 *
318 * Sylvain Pasche <sylvain.pasche@gmail.com>
319 */
320 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
321 {
322
323 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
324 }
325
326
327 /* The new pinnacle PCTV remote (with the colored buttons)
328 *
329 * Ricardo Cerqueira <v4l@cerqueira.org>
330 */
331 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
332 {
333 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
334 *
335 * this is the only value that results in 42 unique
336 * codes < 128
337 */
338
339 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
340 }
341
342 void saa7134_input_irq(struct saa7134_dev *dev)
343 {
344 struct card_ir *ir = dev->remote;
345
346 if (ir->nec_gpio) {
347 saa7134_nec_irq(dev);
348 } else if (!ir->polling && !ir->rc5_gpio) {
349 build_key(dev);
350 } else if (ir->rc5_gpio) {
351 saa7134_rc5_irq(dev);
352 }
353 }
354
355 static void saa7134_input_timer(unsigned long data)
356 {
357 struct saa7134_dev *dev = (struct saa7134_dev *)data;
358 struct card_ir *ir = dev->remote;
359
360 build_key(dev);
361 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
362 }
363
364 void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir)
365 {
366 if (ir->polling) {
367 setup_timer(&ir->timer, saa7134_input_timer,
368 (unsigned long)dev);
369 ir->timer.expires = jiffies + HZ;
370 add_timer(&ir->timer);
371 } else if (ir->rc5_gpio) {
372 /* set timer_end for code completion */
373 init_timer(&ir->timer_end);
374 ir->timer_end.function = ir_rc5_timer_end;
375 ir->timer_end.data = (unsigned long)ir;
376 init_timer(&ir->timer_keyup);
377 ir->timer_keyup.function = ir_rc5_timer_keyup;
378 ir->timer_keyup.data = (unsigned long)ir;
379 ir->shift_by = 2;
380 ir->start = 0x2;
381 ir->addr = 0x17;
382 ir->rc5_key_timeout = ir_rc5_key_timeout;
383 ir->rc5_remote_gap = ir_rc5_remote_gap;
384 } else if (ir->nec_gpio) {
385 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
386 (unsigned long)dev);
387 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
388 }
389 }
390
391 void saa7134_ir_stop(struct saa7134_dev *dev)
392 {
393 if (dev->remote->polling)
394 del_timer_sync(&dev->remote->timer);
395 }
396
397 int saa7134_input_init1(struct saa7134_dev *dev)
398 {
399 struct card_ir *ir;
400 struct input_dev *input_dev;
401 struct ir_scancode_table *ir_codes = NULL;
402 u32 mask_keycode = 0;
403 u32 mask_keydown = 0;
404 u32 mask_keyup = 0;
405 int polling = 0;
406 int rc5_gpio = 0;
407 int nec_gpio = 0;
408 int ir_type = IR_TYPE_OTHER;
409 int err;
410
411 if (dev->has_remote != SAA7134_REMOTE_GPIO)
412 return -ENODEV;
413 if (disable_ir)
414 return -ENODEV;
415
416 /* detect & configure */
417 switch (dev->board) {
418 case SAA7134_BOARD_FLYVIDEO2000:
419 case SAA7134_BOARD_FLYVIDEO3000:
420 case SAA7134_BOARD_FLYTVPLATINUM_FM:
421 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
422 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
423 ir_codes = &ir_codes_flyvideo_table;
424 mask_keycode = 0xEC00000;
425 mask_keydown = 0x0040000;
426 break;
427 case SAA7134_BOARD_CINERGY400:
428 case SAA7134_BOARD_CINERGY600:
429 case SAA7134_BOARD_CINERGY600_MK3:
430 ir_codes = &ir_codes_cinergy_table;
431 mask_keycode = 0x00003f;
432 mask_keyup = 0x040000;
433 break;
434 case SAA7134_BOARD_ECS_TVP3XP:
435 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
436 ir_codes = &ir_codes_eztv_table;
437 mask_keycode = 0x00017c;
438 mask_keyup = 0x000002;
439 polling = 50; // ms
440 break;
441 case SAA7134_BOARD_KWORLD_XPERT:
442 case SAA7134_BOARD_AVACSSMARTTV:
443 ir_codes = &ir_codes_pixelview_table;
444 mask_keycode = 0x00001F;
445 mask_keyup = 0x000020;
446 polling = 50; // ms
447 break;
448 case SAA7134_BOARD_MD2819:
449 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
450 case SAA7134_BOARD_AVERMEDIA_305:
451 case SAA7134_BOARD_AVERMEDIA_307:
452 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
453 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
454 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
455 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
456 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
457 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
458 case SAA7134_BOARD_AVERMEDIA_M102:
459 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
460 ir_codes = &ir_codes_avermedia_table;
461 mask_keycode = 0x0007C8;
462 mask_keydown = 0x000010;
463 polling = 50; // ms
464 /* Set GPIO pin2 to high to enable the IR controller */
465 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
466 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
467 break;
468 case SAA7134_BOARD_AVERMEDIA_M135A:
469 ir_codes = &ir_codes_avermedia_m135a_table;
470 mask_keydown = 0x0040000;
471 mask_keycode = 0x00013f;
472 nec_gpio = 1;
473 break;
474 case SAA7134_BOARD_AVERMEDIA_777:
475 case SAA7134_BOARD_AVERMEDIA_A16AR:
476 ir_codes = &ir_codes_avermedia_table;
477 mask_keycode = 0x02F200;
478 mask_keydown = 0x000400;
479 polling = 50; // ms
480 /* Without this we won't receive key up events */
481 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
482 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
483 break;
484 case SAA7134_BOARD_AVERMEDIA_A16D:
485 ir_codes = &ir_codes_avermedia_a16d_table;
486 mask_keycode = 0x02F200;
487 mask_keydown = 0x000400;
488 polling = 50; /* ms */
489 /* Without this we won't receive key up events */
490 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
491 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
492 break;
493 case SAA7134_BOARD_KWORLD_TERMINATOR:
494 ir_codes = &ir_codes_pixelview_table;
495 mask_keycode = 0x00001f;
496 mask_keyup = 0x000060;
497 polling = 50; // ms
498 break;
499 case SAA7134_BOARD_MANLI_MTV001:
500 case SAA7134_BOARD_MANLI_MTV002:
501 ir_codes = &ir_codes_manli_table;
502 mask_keycode = 0x001f00;
503 mask_keyup = 0x004000;
504 polling = 50; /* ms */
505 break;
506 case SAA7134_BOARD_BEHOLD_409FM:
507 case SAA7134_BOARD_BEHOLD_401:
508 case SAA7134_BOARD_BEHOLD_403:
509 case SAA7134_BOARD_BEHOLD_403FM:
510 case SAA7134_BOARD_BEHOLD_405:
511 case SAA7134_BOARD_BEHOLD_405FM:
512 case SAA7134_BOARD_BEHOLD_407:
513 case SAA7134_BOARD_BEHOLD_407FM:
514 case SAA7134_BOARD_BEHOLD_409:
515 case SAA7134_BOARD_BEHOLD_505FM:
516 case SAA7134_BOARD_BEHOLD_505RDS:
517 case SAA7134_BOARD_BEHOLD_507_9FM:
518 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
519 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
520 ir_codes = &ir_codes_manli_table;
521 mask_keycode = 0x003f00;
522 mask_keyup = 0x004000;
523 polling = 50; /* ms */
524 break;
525 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
526 ir_codes = &ir_codes_behold_columbus_table;
527 mask_keycode = 0x003f00;
528 mask_keyup = 0x004000;
529 polling = 50; // ms
530 break;
531 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
532 ir_codes = &ir_codes_pctv_sedna_table;
533 mask_keycode = 0x001f00;
534 mask_keyup = 0x004000;
535 polling = 50; // ms
536 break;
537 case SAA7134_BOARD_GOTVIEW_7135:
538 ir_codes = &ir_codes_gotview7135_table;
539 mask_keycode = 0x0003CC;
540 mask_keydown = 0x000010;
541 polling = 5; /* ms */
542 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
543 break;
544 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
545 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
546 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
547 ir_codes = &ir_codes_videomate_tv_pvr_table;
548 mask_keycode = 0x00003F;
549 mask_keyup = 0x400000;
550 polling = 50; // ms
551 break;
552 case SAA7134_BOARD_PROTEUS_2309:
553 ir_codes = &ir_codes_proteus_2309_table;
554 mask_keycode = 0x00007F;
555 mask_keyup = 0x000080;
556 polling = 50; // ms
557 break;
558 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
559 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
560 ir_codes = &ir_codes_videomate_tv_pvr_table;
561 mask_keycode = 0x003F00;
562 mask_keyup = 0x040000;
563 break;
564 case SAA7134_BOARD_FLYDVBS_LR300:
565 case SAA7134_BOARD_FLYDVBT_LR301:
566 case SAA7134_BOARD_FLYDVBTDUO:
567 ir_codes = &ir_codes_flydvb_table;
568 mask_keycode = 0x0001F00;
569 mask_keydown = 0x0040000;
570 break;
571 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
572 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
573 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
574 ir_codes = &ir_codes_asus_pc39_table;
575 mask_keydown = 0x0040000;
576 rc5_gpio = 1;
577 break;
578 case SAA7134_BOARD_ENCORE_ENLTV:
579 case SAA7134_BOARD_ENCORE_ENLTV_FM:
580 ir_codes = &ir_codes_encore_enltv_table;
581 mask_keycode = 0x00007f;
582 mask_keyup = 0x040000;
583 polling = 50; // ms
584 break;
585 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
586 ir_codes = &ir_codes_encore_enltv_fm53_table;
587 mask_keydown = 0x0040000;
588 mask_keycode = 0x00007f;
589 nec_gpio = 1;
590 break;
591 case SAA7134_BOARD_10MOONSTVMASTER3:
592 ir_codes = &ir_codes_encore_enltv_table;
593 mask_keycode = 0x5f80000;
594 mask_keyup = 0x8000000;
595 polling = 50; //ms
596 break;
597 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
598 ir_codes = &ir_codes_genius_tvgo_a11mce_table;
599 mask_keycode = 0xff;
600 mask_keydown = 0xf00000;
601 polling = 50; /* ms */
602 break;
603 case SAA7134_BOARD_REAL_ANGEL_220:
604 ir_codes = &ir_codes_real_audio_220_32_keys_table;
605 mask_keycode = 0x3f00;
606 mask_keyup = 0x4000;
607 polling = 50; /* ms */
608 break;
609 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
610 ir_codes = &ir_codes_kworld_plus_tv_analog_table;
611 mask_keycode = 0x7f;
612 polling = 40; /* ms */
613 break;
614 case SAA7134_BOARD_VIDEOMATE_S350:
615 ir_codes = &ir_codes_videomate_s350_table;
616 mask_keycode = 0x003f00;
617 mask_keydown = 0x040000;
618 break;
619 }
620 if (NULL == ir_codes) {
621 printk("%s: Oops: IR config error [card=%d]\n",
622 dev->name, dev->board);
623 return -ENODEV;
624 }
625
626 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
627 input_dev = input_allocate_device();
628 if (!ir || !input_dev) {
629 err = -ENOMEM;
630 goto err_out_free;
631 }
632
633 ir->dev = input_dev;
634
635 /* init hardware-specific stuff */
636 ir->mask_keycode = mask_keycode;
637 ir->mask_keydown = mask_keydown;
638 ir->mask_keyup = mask_keyup;
639 ir->polling = polling;
640 ir->rc5_gpio = rc5_gpio;
641 ir->nec_gpio = nec_gpio;
642
643 /* init input device */
644 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
645 saa7134_boards[dev->board].name);
646 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
647 pci_name(dev->pci));
648
649 ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
650 input_dev->name = ir->name;
651 input_dev->phys = ir->phys;
652 input_dev->id.bustype = BUS_PCI;
653 input_dev->id.version = 1;
654 if (dev->pci->subsystem_vendor) {
655 input_dev->id.vendor = dev->pci->subsystem_vendor;
656 input_dev->id.product = dev->pci->subsystem_device;
657 } else {
658 input_dev->id.vendor = dev->pci->vendor;
659 input_dev->id.product = dev->pci->device;
660 }
661 input_dev->dev.parent = &dev->pci->dev;
662
663 dev->remote = ir;
664 saa7134_ir_start(dev, ir);
665
666 err = input_register_device(ir->dev);
667 if (err)
668 goto err_out_stop;
669
670 /* the remote isn't as bouncy as a keyboard */
671 ir->dev->rep[REP_DELAY] = repeat_delay;
672 ir->dev->rep[REP_PERIOD] = repeat_period;
673
674 return 0;
675
676 err_out_stop:
677 saa7134_ir_stop(dev);
678 dev->remote = NULL;
679 err_out_free:
680 input_free_device(input_dev);
681 kfree(ir);
682 return err;
683 }
684
685 void saa7134_input_fini(struct saa7134_dev *dev)
686 {
687 if (NULL == dev->remote)
688 return;
689
690 saa7134_ir_stop(dev);
691 input_unregister_device(dev->remote->dev);
692 kfree(dev->remote);
693 dev->remote = NULL;
694 }
695
696 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
697 {
698 const unsigned short addr_list[] = {
699 0x7a, 0x47, 0x71, 0x2d,
700 I2C_CLIENT_END
701 };
702
703 struct i2c_msg msg_msi = {
704 .addr = 0x50,
705 .flags = I2C_M_RD,
706 .len = 0,
707 .buf = NULL,
708 };
709
710 int rc;
711
712 if (disable_ir) {
713 dprintk("IR has been disabled, not probing for i2c remote\n");
714 return;
715 }
716
717 memset(&dev->info, 0, sizeof(dev->info));
718 memset(&dev->init_data, 0, sizeof(dev->init_data));
719 strlcpy(dev->info.type, "ir_video", I2C_NAME_SIZE);
720
721 switch (dev->board) {
722 case SAA7134_BOARD_PINNACLE_PCTV_110i:
723 case SAA7134_BOARD_PINNACLE_PCTV_310i:
724 dev->init_data.name = "Pinnacle PCTV";
725 if (pinnacle_remote == 0) {
726 dev->init_data.get_key = get_key_pinnacle_color;
727 dev->init_data.ir_codes = &ir_codes_pinnacle_color_table;
728 dev->info.addr = 0x47;
729 } else {
730 dev->init_data.get_key = get_key_pinnacle_grey;
731 dev->init_data.ir_codes = &ir_codes_pinnacle_grey_table;
732 dev->info.addr = 0x47;
733 }
734 break;
735 case SAA7134_BOARD_UPMOST_PURPLE_TV:
736 dev->init_data.name = "Purple TV";
737 dev->init_data.get_key = get_key_purpletv;
738 dev->init_data.ir_codes = &ir_codes_purpletv_table;
739 break;
740 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
741 dev->init_data.name = "MSI TV@nywhere Plus";
742 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
743 dev->init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table;
744 dev->info.addr = 0x30;
745 /* MSI TV@nywhere Plus controller doesn't seem to
746 respond to probes unless we read something from
747 an existing device. Weird...
748 REVISIT: might no longer be needed */
749 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
750 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
751 msg_msi.addr, dev->i2c_adap.name,
752 (1 == rc) ? "yes" : "no");
753 break;
754 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
755 dev->init_data.name = "HVR 1110";
756 dev->init_data.get_key = get_key_hvr1110;
757 dev->init_data.ir_codes = &ir_codes_hauppauge_new_table;
758 break;
759 case SAA7134_BOARD_BEHOLD_607FM_MK3:
760 case SAA7134_BOARD_BEHOLD_607FM_MK5:
761 case SAA7134_BOARD_BEHOLD_609FM_MK3:
762 case SAA7134_BOARD_BEHOLD_609FM_MK5:
763 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
764 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
765 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
766 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
767 case SAA7134_BOARD_BEHOLD_M6:
768 case SAA7134_BOARD_BEHOLD_M63:
769 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
770 case SAA7134_BOARD_BEHOLD_H6:
771 case SAA7134_BOARD_BEHOLD_X7:
772 dev->init_data.name = "BeholdTV";
773 dev->init_data.get_key = get_key_beholdm6xx;
774 dev->init_data.ir_codes = &ir_codes_behold_table;
775 break;
776 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
777 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
778 dev->info.addr = 0x40;
779 break;
780 }
781
782 if (dev->init_data.name)
783 dev->info.platform_data = &dev->init_data;
784 /* No need to probe if address is known */
785 if (dev->info.addr) {
786 i2c_new_device(&dev->i2c_adap, &dev->info);
787 return;
788 }
789
790 /* Address not known, fallback to probing */
791 i2c_new_probed_device(&dev->i2c_adap, &dev->info, addr_list);
792 }
793
794 static int saa7134_rc5_irq(struct saa7134_dev *dev)
795 {
796 struct card_ir *ir = dev->remote;
797 struct timeval tv;
798 u32 gap;
799 unsigned long current_jiffies, timeout;
800
801 /* get time of bit */
802 current_jiffies = jiffies;
803 do_gettimeofday(&tv);
804
805 /* avoid overflow with gap >1s */
806 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
807 gap = 200000;
808 } else {
809 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
810 tv.tv_usec - ir->base_time.tv_usec;
811 }
812
813 /* active code => add bit */
814 if (ir->active) {
815 /* only if in the code (otherwise spurious IRQ or timer
816 late) */
817 if (ir->last_bit < 28) {
818 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
819 ir_rc5_remote_gap;
820 ir->code |= 1 << ir->last_bit;
821 }
822 /* starting new code */
823 } else {
824 ir->active = 1;
825 ir->code = 0;
826 ir->base_time = tv;
827 ir->last_bit = 0;
828
829 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
830 mod_timer(&ir->timer_end, timeout);
831 }
832
833 return 1;
834 }
835
836
837 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
838 The first pulse (start) has 9 + 4.5 ms
839 */
840
841 static void saa7134_nec_timer(unsigned long data)
842 {
843 struct saa7134_dev *dev = (struct saa7134_dev *) data;
844 struct card_ir *ir = dev->remote;
845
846 dprintk("Cancel key repeat\n");
847
848 ir_input_nokey(ir->dev, &ir->ir);
849 }
850
851 static void nec_task(unsigned long data)
852 {
853 struct saa7134_dev *dev = (struct saa7134_dev *) data;
854 struct card_ir *ir;
855 struct timeval tv;
856 int count, pulse, oldpulse, gap;
857 u32 ircode = 0, not_code = 0;
858 int ngap = 0;
859
860 if (!data) {
861 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
862 /* GPIO will be kept disabled */
863 return;
864 }
865
866 ir = dev->remote;
867
868 /* rising SAA7134_GPIO_GPRESCAN reads the status */
869 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
870 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
871
872 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
873 pulse = oldpulse;
874
875 do_gettimeofday(&tv);
876 ir->base_time = tv;
877
878 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
879 Unfortunately, using IRQ to decode pulse didn't work, since it uses
880 a pulse train of 38KHz. This means one pulse on each 52 us
881 */
882 do {
883 /* Wait until the end of pulse/space or 5 ms */
884 for (count = 0; count < 500; count++) {
885 udelay(10);
886 /* rising SAA7134_GPIO_GPRESCAN reads the status */
887 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
888 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
889 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
890 & ir->mask_keydown;
891 if (pulse != oldpulse)
892 break;
893 }
894
895 do_gettimeofday(&tv);
896 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
897 tv.tv_usec - ir->base_time.tv_usec;
898
899 if (!pulse) {
900 /* Bit 0 has 560 us, while bit 1 has 1120 us.
901 Do something only if bit == 1
902 */
903 if (ngap && (gap > 560 + 280)) {
904 unsigned int shift = ngap - 1;
905
906 /* Address first, then command */
907 if (shift < 8) {
908 shift += 8;
909 ircode |= 1 << shift;
910 } else if (shift < 16) {
911 not_code |= 1 << shift;
912 } else if (shift < 24) {
913 shift -= 16;
914 ircode |= 1 << shift;
915 } else {
916 shift -= 24;
917 not_code |= 1 << shift;
918 }
919 }
920 ngap++;
921 }
922
923
924 ir->base_time = tv;
925
926 /* TIMEOUT - Long pulse */
927 if (gap >= 5000)
928 break;
929 oldpulse = pulse;
930 } while (ngap < 32);
931
932 if (ngap == 32) {
933 /* FIXME: should check if not_code == ~ircode */
934 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
935
936 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
937 ir->code, ircode, not_code);
938
939 ir_input_keydown(ir->dev, &ir->ir, ir->code, ir->code);
940 } else
941 dprintk("Repeat last key\n");
942
943 /* Keep repeating the last key */
944 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
945
946 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
947 }
948
949 static int saa7134_nec_irq(struct saa7134_dev *dev)
950 {
951 struct card_ir *ir = dev->remote;
952
953 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
954 tasklet_schedule(&ir->tlet);
955
956 return 1;
957 }
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