projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
V4L/DVB (12587): Add support BeholdTV X7 card
[deliverable/linux.git] / drivers / media / video / saa7134 / saa7134-input.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 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>
1da177e4
LT		 22#include <linux/init.h>
23#include <linux/delay.h>
1da177e4
LT		 24#include <linux/interrupt.h>
25#include <linux/input.h>
26
27#include "saa7134-reg.h"
28#include "saa7134.h"
29
ff699e6b 30static unsigned int disable_ir;
1da177e4
LT		 31module_param(disable_ir, int, 0444);
32MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
33
ff699e6b 34static unsigned int ir_debug;
1da177e4
LT		 35module_param(ir_debug, int, 0644);
36MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
37
ff699e6b 38static int pinnacle_remote;
b93eedb6
SP		 39module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
40MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
41
c408a6f6 42static int ir_rc5_remote_gap = 885;
9160723e 43module_param(ir_rc5_remote_gap, int, 0644);
c408a6f6 44static int ir_rc5_key_timeout = 115;
9160723e
HP		 45module_param(ir_rc5_key_timeout, int, 0644);
46
0938e319
P		 47static int repeat_delay = 500;
48module_param(repeat_delay, int, 0644);
49MODULE_PARM_DESC(repeat_delay, "delay before key repeat started");
50static int repeat_period = 33;
51module_param(repeat_period, int, 0644);
ac9bb7f5 52MODULE_PARM_DESC(repeat_period, "repeat period between "
0938e319
P		 53 "keypresses when key is down");
54
e8018c9e
AMT		 55static unsigned int disable_other_ir;
56module_param(disable_other_ir, int, 0644);
57MODULE_PARM_DESC(disable_other_ir, "disable full codes of "
58 "alternative remotes from other manufacturers");
59
1da177e4
LT		 60#define dprintk(fmt, arg...) if (ir_debug) \
61 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
ac9cd976 62#define i2cdprintk(fmt, arg...) if (ir_debug) \
1df8e986 63 printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
1da177e4 64
622ecb30 65/* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
9160723e 66static int saa7134_rc5_irq(struct saa7134_dev *dev);
622ecb30
MCC		 67static int saa7134_nec_irq(struct saa7134_dev *dev);
68static void nec_task(unsigned long data);
69static void saa7134_nec_timer(unsigned long data);
9160723e 70
ac9cd976 71/* -------------------- GPIO generic keycode builder -------------------- */
1da177e4
LT		 72
73static int build_key(struct saa7134_dev *dev)
74{
9160723e 75 struct card_ir *ir = dev->remote;
1da177e4
LT		 76 u32 gpio, data;
77
0938e319
P		 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 }
1da177e4
LT		 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);
4ac97914
MCC		 90 if (ir->polling) {
91 if (ir->last_gpio == gpio)
92 return 0;
93 ir->last_gpio = gpio;
94 }
1da177e4 95
4ac97914 96 data = ir_extract_bits(gpio, ir->mask_keycode);
1da177e4
LT		 97 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
98 gpio, ir->mask_keycode, data);
99
26d5f3a3
MCC		 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
0602fbb2
PM		 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 }
1da177e4 116 }
0602fbb2
PM		 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
1da177e4
LT		 125 return 0;
126}
127
ac9cd976
RC		 128/* --------------------- Chip specific I2C key builders ----------------- */
129
ba340b40
BR		 130static 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. */
c668f32d 137 struct saa7134_dev *dev = ir->c->adapter->algo_data;
ba340b40
BR		 138 if (dev == NULL) {
139 dprintk("get_key_msi_tvanywhere_plus: "
c668f32d 140 "gir->c->adapter->algo_data is NULL!\n");
ba340b40
BR		 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
c668f32d 159 if (1 != i2c_master_recv(ir->c, &b, 1)) {
ba340b40
BR		 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
ac9cd976
RC		 177static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
178{
179 unsigned char b;
180
181 /* poll IR chip */
c668f32d 182 if (1 != i2c_master_recv(ir->c, &b, 1)) {
ac9cd976
RC		 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
177aaaf8
TG		 200static 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 */
c668f32d 205 if (5 != i2c_master_recv(ir->c, buf, 5))
177aaaf8
TG		 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
e8018c9e
AMT		 221
222static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
223{
224 unsigned char data[12];
225 u32 gpio;
226
c668f32d 227 struct saa7134_dev *dev = ir->c->adapter->algo_data;
e8018c9e
AMT		 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
616f8878 235 if (0x400000 & ~gpio)
e8018c9e
AMT		 236 return 0; /* No button press */
237
c668f32d 238 ir->c->addr = 0x5a >> 1;
e8018c9e 239
c668f32d 240 if (12 != i2c_master_recv(ir->c, data, 12)) {
e8018c9e
AMT		 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 *ir_key = data[9];
255 *ir_raw = data[9];
256
257 return 1;
258}
259
1c22dad8
MCC		 260/* Common (grey or coloured) pinnacle PCTV remote handling
261 *
262 */
263static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
264 int parity_offset, int marker, int code_modulo)
265{
266 unsigned char b[4];
267 unsigned int start = 0,parity = 0,code = 0;
268
269 /* poll IR chip */
c668f32d 270 if (4 != i2c_master_recv(ir->c, b, 4)) {
1c22dad8
MCC		 271 i2cdprintk("read error\n");
272 return -EIO;
273 }
274
275 for (start = 0; start < ARRAY_SIZE(b); start++) {
276 if (b[start] == marker) {
277 code=b[(start+parity_offset + 1) % 4];
278 parity=b[(start+parity_offset) % 4];
279 }
280 }
281
282 /* Empty Request */
283 if (parity == 0)
284 return 0;
285
286 /* Repeating... */
287 if (ir->old == parity)
288 return 0;
289
290 ir->old = parity;
291
292 /* drop special codes when a key is held down a long time for the grey controller
293 In this case, the second bit of the code is asserted */
294 if (marker == 0xfe && (code & 0x40))
295 return 0;
296
297 code %= code_modulo;
298
299 *ir_raw = code;
300 *ir_key = code;
301
302 i2cdprintk("Pinnacle PCTV key %02x\n", code);
303
304 return 1;
305}
306
307/* The grey pinnacle PCTV remote
308 *
309 * There are one issue with this remote:
310 * - I2c packet does not change when the same key is pressed quickly. The workaround
311 * is to hold down each key for about half a second, so that another code is generated
312 * in the i2c packet, and the function can distinguish key presses.
313 *
314 * Sylvain Pasche <sylvain.pasche@gmail.com>
315 */
316static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
317{
318
319 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
320}
321
322
323/* The new pinnacle PCTV remote (with the colored buttons)
324 *
325 * Ricardo Cerqueira <v4l@cerqueira.org>
326 */
327static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
328{
329 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
330 *
331 * this is the only value that results in 42 unique
332 * codes < 128
333 */
334
335 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
336}
337
1da177e4
LT		 338void saa7134_input_irq(struct saa7134_dev *dev)
339{
9160723e 340 struct card_ir *ir = dev->remote;
1da177e4 341
622ecb30
MCC		 342 if (ir->nec_gpio) {
343 saa7134_nec_irq(dev);
344 } else if (!ir->polling && !ir->rc5_gpio) {
1da177e4 345 build_key(dev);
9160723e
HP		 346 } else if (ir->rc5_gpio) {
347 saa7134_rc5_irq(dev);
348 }
1da177e4
LT		 349}
350
351static void saa7134_input_timer(unsigned long data)
352{
b4ba7884 353 struct saa7134_dev *dev = (struct saa7134_dev *)data;
9160723e 354 struct card_ir *ir = dev->remote;
1da177e4
LT		 355
356 build_key(dev);
b4ba7884 357 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
1da177e4
LT		 358}
359
c458473e 360void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir)
b07b4783
DT		 361{
362 if (ir->polling) {
b4ba7884
DT		 363 setup_timer(&ir->timer, saa7134_input_timer,
364 (unsigned long)dev);
b07b4783
DT		 365 ir->timer.expires = jiffies + HZ;
366 add_timer(&ir->timer);
9160723e
HP		 367 } else if (ir->rc5_gpio) {
368 /* set timer_end for code completion */
369 init_timer(&ir->timer_end);
370 ir->timer_end.function = ir_rc5_timer_end;
371 ir->timer_end.data = (unsigned long)ir;
372 init_timer(&ir->timer_keyup);
373 ir->timer_keyup.function = ir_rc5_timer_keyup;
374 ir->timer_keyup.data = (unsigned long)ir;
375 ir->shift_by = 2;
376 ir->start = 0x2;
377 ir->addr = 0x17;
378 ir->rc5_key_timeout = ir_rc5_key_timeout;
379 ir->rc5_remote_gap = ir_rc5_remote_gap;
622ecb30
MCC		 380 } else if (ir->nec_gpio) {
381 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
382 (unsigned long)dev);
383 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
b07b4783
DT		 384 }
385}
386
c458473e 387void saa7134_ir_stop(struct saa7134_dev *dev)
b07b4783
DT		 388{
389 if (dev->remote->polling)
390 del_timer_sync(&dev->remote->timer);
391}
392
1da177e4
LT		 393int saa7134_input_init1(struct saa7134_dev *dev)
394{
9160723e 395 struct card_ir *ir;
b7df3910 396 struct input_dev *input_dev;
1da177e4
LT		 397 IR_KEYTAB_TYPE *ir_codes = NULL;
398 u32 mask_keycode = 0;
399 u32 mask_keydown = 0;
400 u32 mask_keyup = 0;
401 int polling = 0;
9160723e 402 int rc5_gpio = 0;
622ecb30 403 int nec_gpio = 0;
1da177e4 404 int ir_type = IR_TYPE_OTHER;
b07b4783 405 int err;
1da177e4 406
cb2444df 407 if (dev->has_remote != SAA7134_REMOTE_GPIO)
1da177e4
LT		 408 return -ENODEV;
409 if (disable_ir)
410 return -ENODEV;
411
412 /* detect & configure */
413 switch (dev->board) {
414 case SAA7134_BOARD_FLYVIDEO2000:
415 case SAA7134_BOARD_FLYVIDEO3000:
4ac97914 416 case SAA7134_BOARD_FLYTVPLATINUM_FM:
6af90ab5 417 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
4c0f631e 418 ir_codes = ir_codes_flyvideo;
1da177e4
LT		 419 mask_keycode = 0xEC00000;
420 mask_keydown = 0x0040000;
421 break;
422 case SAA7134_BOARD_CINERGY400:
423 case SAA7134_BOARD_CINERGY600:
424 case SAA7134_BOARD_CINERGY600_MK3:
4c0f631e 425 ir_codes = ir_codes_cinergy;
1da177e4
LT		 426 mask_keycode = 0x00003f;
427 mask_keyup = 0x040000;
428 break;
429 case SAA7134_BOARD_ECS_TVP3XP:
430 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
4c0f631e 431 ir_codes = ir_codes_eztv;
330a115a
MCC		 432 mask_keycode = 0x00017c;
433 mask_keyup = 0x000002;
1da177e4 434 polling = 50; // ms
330a115a
MCC		 435 break;
436 case SAA7134_BOARD_KWORLD_XPERT:
1da177e4 437 case SAA7134_BOARD_AVACSSMARTTV:
b639f9d2 438 ir_codes = ir_codes_pixelview;
1da177e4
LT		 439 mask_keycode = 0x00001F;
440 mask_keyup = 0x000020;
441 polling = 50; // ms
442 break;
443 case SAA7134_BOARD_MD2819:
ac19ecc6 444 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
1da177e4
LT		 445 case SAA7134_BOARD_AVERMEDIA_305:
446 case SAA7134_BOARD_AVERMEDIA_307:
ac19ecc6 447 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
5a5e1da5 448 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
ac19ecc6 449 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
3ac706d2 450 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
df0dbbe2 451 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
ac19ecc6 452 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
d2761f22 453 case SAA7134_BOARD_AVERMEDIA_M102:
6a2d802c 454 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
b639f9d2 455 ir_codes = ir_codes_avermedia;
1da177e4
LT		 456 mask_keycode = 0x0007C8;
457 mask_keydown = 0x000010;
458 polling = 50; // ms
459 /* Set GPIO pin2 to high to enable the IR controller */
460 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
461 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
462 break;
36f6bb97
MCC		 463 case SAA7134_BOARD_AVERMEDIA_M135A:
464 ir_codes = ir_codes_avermedia_m135a;
465 mask_keydown = 0x0040000;
466 mask_keycode = 0x00013f;
467 nec_gpio = 1;
468 break;
450efcfd 469 case SAA7134_BOARD_AVERMEDIA_777:
29e0f1a1 470 case SAA7134_BOARD_AVERMEDIA_A16AR:
450efcfd 471 ir_codes = ir_codes_avermedia;
472 mask_keycode = 0x02F200;
473 mask_keydown = 0x000400;
474 polling = 50; // ms
475 /* Without this we won't receive key up events */
476 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
477 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
4dd7406e 478 break;
6e501a3f
TF		 479 case SAA7134_BOARD_AVERMEDIA_A16D:
480 ir_codes = ir_codes_avermedia_a16d;
481 mask_keycode = 0x02F200;
482 mask_keydown = 0x000400;
483 polling = 50; /* ms */
484 /* Without this we won't receive key up events */
485 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
486 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
487 break;
4ac97914 488 case SAA7134_BOARD_KWORLD_TERMINATOR:
b639f9d2 489 ir_codes = ir_codes_pixelview;
dc2286cf
JW		 490 mask_keycode = 0x00001f;
491 mask_keyup = 0x000060;
492 polling = 50; // ms
493 break;
ac19ecc6
MCC		 494 case SAA7134_BOARD_MANLI_MTV001:
495 case SAA7134_BOARD_MANLI_MTV002:
b34dddbe
DB		 496 ir_codes = ir_codes_manli;
497 mask_keycode = 0x001f00;
498 mask_keyup = 0x004000;
499 polling = 50; /* ms */
500 break;
a8ff417e 501 case SAA7134_BOARD_BEHOLD_409FM:
e8018c9e
AMT		 502 case SAA7134_BOARD_BEHOLD_401:
503 case SAA7134_BOARD_BEHOLD_403:
504 case SAA7134_BOARD_BEHOLD_403FM:
505 case SAA7134_BOARD_BEHOLD_405:
506 case SAA7134_BOARD_BEHOLD_405FM:
507 case SAA7134_BOARD_BEHOLD_407:
508 case SAA7134_BOARD_BEHOLD_407FM:
509 case SAA7134_BOARD_BEHOLD_409:
510 case SAA7134_BOARD_BEHOLD_505FM:
84d728c3 511 case SAA7134_BOARD_BEHOLD_505RDS:
e8018c9e 512 case SAA7134_BOARD_BEHOLD_507_9FM:
84d728c3
DB		 513 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
514 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
4c0f631e 515 ir_codes = ir_codes_manli;
b34dddbe
DB		 516 mask_keycode = 0x003f00;
517 mask_keyup = 0x004000;
518 polling = 50; /* ms */
519 break;
520 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
521 ir_codes = ir_codes_behold_columbus;
522 mask_keycode = 0x003f00;
ac19ecc6 523 mask_keyup = 0x004000;
ac19ecc6
MCC		 524 polling = 50; // ms
525 break;
17ce1ff9 526 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
4c0f631e 527 ir_codes = ir_codes_pctv_sedna;
c3d93192
PM		 528 mask_keycode = 0x001f00;
529 mask_keyup = 0x004000;
530 polling = 50; // ms
531 break;
4ac97914 532 case SAA7134_BOARD_GOTVIEW_7135:
4c0f631e 533 ir_codes = ir_codes_gotview7135;
0938e319 534 mask_keycode = 0x0003CC;
6b961440 535 mask_keydown = 0x000010;
0938e319
P		 536 polling = 5; /* ms */
537 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
6b961440 538 break;
1da177e4 539 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
2a9a9a84 540 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
330a115a 541 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
4c0f631e 542 ir_codes = ir_codes_videomate_tv_pvr;
1da177e4
LT		 543 mask_keycode = 0x00003F;
544 mask_keyup = 0x400000;
545 polling = 50; // ms
546 break;
b04c1baf
MM		 547 case SAA7134_BOARD_PROTEUS_2309:
548 ir_codes = ir_codes_proteus_2309;
549 mask_keycode = 0x00007F;
550 mask_keyup = 0x000080;
551 polling = 50; // ms
552 break;
4ac97914
MCC		 553 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
554 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
4c0f631e 555 ir_codes = ir_codes_videomate_tv_pvr;
fea095fe
NS		 556 mask_keycode = 0x003F00;
557 mask_keyup = 0x040000;
558 break;
f5c965ab 559 case SAA7134_BOARD_FLYDVBS_LR300:
3d8466ec 560 case SAA7134_BOARD_FLYDVBT_LR301:
a8029170 561 case SAA7134_BOARD_FLYDVBTDUO:
3d8466ec
GG		 562 ir_codes = ir_codes_flydvb;
563 mask_keycode = 0x0001F00;
564 mask_keydown = 0x0040000;
565 break;
9160723e 566 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
904ab884 567 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
dfb4ba1e 568 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
9160723e
HP		 569 ir_codes = ir_codes_asus_pc39;
570 mask_keydown = 0x0040000;
571 rc5_gpio = 1;
572 break;
c36c459a
JPS		 573 case SAA7134_BOARD_ENCORE_ENLTV:
574 case SAA7134_BOARD_ENCORE_ENLTV_FM:
575 ir_codes = ir_codes_encore_enltv;
576 mask_keycode = 0x00007f;
577 mask_keyup = 0x040000;
578 polling = 50; // ms
579 break;
bf1ece6a
MCC		 580 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
581 ir_codes = ir_codes_encore_enltv_fm53;
582 mask_keydown = 0x0040000;
583 mask_keycode = 0x00007f;
584 nec_gpio = 1;
585 break;
480f75ac
TW		 586 case SAA7134_BOARD_10MOONSTVMASTER3:
587 ir_codes = ir_codes_encore_enltv;
588 mask_keycode = 0x5f80000;
589 mask_keyup = 0x8000000;
590 polling = 50; //ms
591 break;
f0ba356c
AP		 592 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
593 ir_codes = ir_codes_genius_tvgo_a11mce;
594 mask_keycode = 0xff;
595 mask_keydown = 0xf00000;
596 polling = 50; /* ms */
597 break;
9b000191
MCC		 598 case SAA7134_BOARD_REAL_ANGEL_220:
599 ir_codes = ir_codes_real_audio_220_32_keys;
600 mask_keycode = 0x3f00;
601 mask_keyup = 0x4000;
602 polling = 50; /* ms */
603 break;
26d5f3a3
MCC		 604 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
605 ir_codes = ir_codes_kworld_plus_tv_analog;
606 mask_keycode = 0x7f;
607 polling = 40; /* ms */
608 break;
ecfcfec8
IL		 609 case SAA7134_BOARD_VIDEOMATE_S350:
610 ir_codes = ir_codes_videomate_s350;
611 mask_keycode = 0x003f00;
612 mask_keydown = 0x040000;
613 break;
1da177e4
LT		 614 }
615 if (NULL == ir_codes) {
616 printk("%s: Oops: IR config error [card=%d]\n",
617 dev->name, dev->board);
618 return -ENODEV;
619 }
620
b7df3910
DT		 621 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
622 input_dev = input_allocate_device();
623 if (!ir || !input_dev) {
b07b4783
DT		 624 err = -ENOMEM;
625 goto err_out_free;
b7df3910 626 }
1da177e4 627
d271d1c2
DT		 628 ir->dev = input_dev;
629
1da177e4
LT		 630 /* init hardware-specific stuff */
631 ir->mask_keycode = mask_keycode;
632 ir->mask_keydown = mask_keydown;
633 ir->mask_keyup = mask_keyup;
4ac97914 634 ir->polling = polling;
9160723e 635 ir->rc5_gpio = rc5_gpio;
622ecb30 636 ir->nec_gpio = nec_gpio;
1da177e4
LT		 637
638 /* init input device */
639 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
640 saa7134_boards[dev->board].name);
641 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
642 pci_name(dev->pci));
643
b7df3910
DT		 644 ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
645 input_dev->name = ir->name;
646 input_dev->phys = ir->phys;
647 input_dev->id.bustype = BUS_PCI;
648 input_dev->id.version = 1;
1da177e4 649 if (dev->pci->subsystem_vendor) {
b7df3910
DT		 650 input_dev->id.vendor = dev->pci->subsystem_vendor;
651 input_dev->id.product = dev->pci->subsystem_device;
1da177e4 652 } else {
b7df3910
DT		 653 input_dev->id.vendor = dev->pci->vendor;
654 input_dev->id.product = dev->pci->device;
1da177e4 655 }
2c8a3a33 656 input_dev->dev.parent = &dev->pci->dev;
1da177e4 657
1da177e4 658 dev->remote = ir;
b07b4783
DT		 659 saa7134_ir_start(dev, ir);
660
661 err = input_register_device(ir->dev);
662 if (err)
663 goto err_out_stop;
1da177e4 664
0938e319
P		 665 /* the remote isn't as bouncy as a keyboard */
666 ir->dev->rep[REP_DELAY] = repeat_delay;
667 ir->dev->rep[REP_PERIOD] = repeat_period;
668
1da177e4 669 return 0;
b07b4783
DT		 670
671 err_out_stop:
672 saa7134_ir_stop(dev);
673 dev->remote = NULL;
674 err_out_free:
675 input_free_device(input_dev);
676 kfree(ir);
677 return err;
1da177e4
LT		 678}
679
680void saa7134_input_fini(struct saa7134_dev *dev)
681{
682 if (NULL == dev->remote)
683 return;
684
b07b4783 685 saa7134_ir_stop(dev);
b7df3910 686 input_unregister_device(dev->remote->dev);
1da177e4
LT		 687 kfree(dev->remote);
688 dev->remote = NULL;
689}
690
c668f32d 691void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
ac9cd976 692{
c668f32d 693 struct i2c_board_info info;
4d7a2d67 694 struct IR_i2c_init_data init_data;
c668f32d
JD		 695 const unsigned short addr_list[] = {
696 0x7a, 0x47, 0x71, 0x2d,
697 I2C_CLIENT_END
698 };
699
c668f32d
JD		 700 struct i2c_msg msg_msi = {
701 .addr = 0x50,
702 .flags = I2C_M_RD,
703 .len = 0,
704 .buf = NULL,
705 };
706
c668f32d
JD		 707 int rc;
708
ac9cd976 709 if (disable_ir) {
c668f32d 710 dprintk("IR has been disabled, not probing for i2c remote\n");
ac9cd976
RC		 711 return;
712 }
713
c668f32d 714 memset(&info, 0, sizeof(struct i2c_board_info));
4d7a2d67 715 memset(&init_data, 0, sizeof(struct IR_i2c_init_data));
c668f32d 716 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
c668f32d 717
ac9cd976
RC		 718 switch (dev->board) {
719 case SAA7134_BOARD_PINNACLE_PCTV_110i:
eb591af3 720 case SAA7134_BOARD_PINNACLE_PCTV_310i:
4d7a2d67 721 init_data.name = "Pinnacle PCTV";
b93eedb6 722 if (pinnacle_remote == 0) {
4d7a2d67
JD		 723 init_data.get_key = get_key_pinnacle_color;
724 init_data.ir_codes = ir_codes_pinnacle_color;
a138ebcf 725 info.addr = 0x47;
b93eedb6 726 } else {
4d7a2d67
JD		 727 init_data.get_key = get_key_pinnacle_grey;
728 init_data.ir_codes = ir_codes_pinnacle_grey;
a138ebcf 729 info.addr = 0x47;
b93eedb6 730 }
ac9cd976
RC		 731 break;
732 case SAA7134_BOARD_UPMOST_PURPLE_TV:
4d7a2d67
JD		 733 init_data.name = "Purple TV";
734 init_data.get_key = get_key_purpletv;
735 init_data.ir_codes = ir_codes_purpletv;
ac9cd976 736 break;
ba340b40 737 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
4d7a2d67
JD		 738 init_data.name = "MSI TV@nywhere Plus";
739 init_data.get_key = get_key_msi_tvanywhere_plus;
740 init_data.ir_codes = ir_codes_msi_tvanywhere_plus;
ec218a41
JD		 741 info.addr = 0x30;
742 /* MSI TV@nywhere Plus controller doesn't seem to
743 respond to probes unless we read something from
744 an existing device. Weird...
745 REVISIT: might no longer be needed */
746 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
747 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
748 msg_msi.addr, dev->i2c_adap.name,
749 (1 == rc) ? "yes" : "no");
ba340b40 750 break;
177aaaf8 751 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
4d7a2d67
JD		 752 init_data.name = "HVR 1110";
753 init_data.get_key = get_key_hvr1110;
754 init_data.ir_codes = ir_codes_hauppauge_new;
177aaaf8 755 break;
84d728c3
DB		 756 case SAA7134_BOARD_BEHOLD_607FM_MK3:
757 case SAA7134_BOARD_BEHOLD_607FM_MK5:
758 case SAA7134_BOARD_BEHOLD_609FM_MK3:
759 case SAA7134_BOARD_BEHOLD_609FM_MK5:
760 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
761 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
762 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
763 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
e8018c9e 764 case SAA7134_BOARD_BEHOLD_M6:
878cf2a5
DB		 765 case SAA7134_BOARD_BEHOLD_M63:
766 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
02505271 767 case SAA7134_BOARD_BEHOLD_H6:
2012c87f 768 case SAA7134_BOARD_BEHOLD_X7:
4d7a2d67
JD		 769 init_data.name = "BeholdTV";
770 init_data.get_key = get_key_beholdm6xx;
771 init_data.ir_codes = ir_codes_behold;
ac9cd976 772 break;
d9a88e63
JD		 773 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
774 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
775 info.addr = 0x40;
776 break;
ac9cd976
RC		 777 }
778
4d7a2d67
JD		 779 if (init_data.name)
780 info.platform_data = &init_data;
ec218a41
JD		 781 /* No need to probe if address is known */
782 if (info.addr) {
783 i2c_new_device(&dev->i2c_adap, &info);
4d7a2d67 784 return;
ec218a41 785 }
4d7a2d67 786
ec218a41 787 /* Address not known, fallback to probing */
d9a88e63 788 i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
ac9cd976 789}
9160723e
HP		 790
791static int saa7134_rc5_irq(struct saa7134_dev *dev)
792{
793 struct card_ir *ir = dev->remote;
794 struct timeval tv;
795 u32 gap;
796 unsigned long current_jiffies, timeout;
797
798 /* get time of bit */
799 current_jiffies = jiffies;
800 do_gettimeofday(&tv);
801
802 /* avoid overflow with gap >1s */
803 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
804 gap = 200000;
805 } else {
806 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
807 tv.tv_usec - ir->base_time.tv_usec;
808 }
809
810 /* active code => add bit */
811 if (ir->active) {
812 /* only if in the code (otherwise spurious IRQ or timer
813 late) */
814 if (ir->last_bit < 28) {
815 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
816 ir_rc5_remote_gap;
817 ir->code |= 1 << ir->last_bit;
818 }
819 /* starting new code */
820 } else {
821 ir->active = 1;
822 ir->code = 0;
823 ir->base_time = tv;
824 ir->last_bit = 0;
825
826 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
827 mod_timer(&ir->timer_end, timeout);
828 }
829
830 return 1;
831}
832
622ecb30
MCC		 833
834/* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
835 The first pulse (start) has 9 + 4.5 ms
1da177e4 836 */
622ecb30
MCC		 837
838static void saa7134_nec_timer(unsigned long data)
839{
840 struct saa7134_dev *dev = (struct saa7134_dev *) data;
841 struct card_ir *ir = dev->remote;
842
843 dprintk("Cancel key repeat\n");
844
845 ir_input_nokey(ir->dev, &ir->ir);
846}
847
848static void nec_task(unsigned long data)
849{
850 struct saa7134_dev *dev = (struct saa7134_dev *) data;
851 struct card_ir *ir;
852 struct timeval tv;
853 int count, pulse, oldpulse, gap;
854 u32 ircode = 0, not_code = 0;
855 int ngap = 0;
856
857 if (!data) {
858 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
859 /* GPIO will be kept disabled */
860 return;
861 }
862
863 ir = dev->remote;
864
865 /* rising SAA7134_GPIO_GPRESCAN reads the status */
866 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
867 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
868
869 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
870 pulse = oldpulse;
871
872 do_gettimeofday(&tv);
873 ir->base_time = tv;
874
875 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
876 Unfortunately, using IRQ to decode pulse didn't work, since it uses
877 a pulse train of 38KHz. This means one pulse on each 52 us
878 */
879 do {
880 /* Wait until the end of pulse/space or 5 ms */
881 for (count = 0; count < 500; count++) {
882 udelay(10);
883 /* rising SAA7134_GPIO_GPRESCAN reads the status */
884 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
885 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
886 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
887 & ir->mask_keydown;
888 if (pulse != oldpulse)
889 break;
890 }
891
892 do_gettimeofday(&tv);
893 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
894 tv.tv_usec - ir->base_time.tv_usec;
895
896 if (!pulse) {
897 /* Bit 0 has 560 us, while bit 1 has 1120 us.
898 Do something only if bit == 1
899 */
900 if (ngap && (gap > 560 + 280)) {
901 unsigned int shift = ngap - 1;
902
903 /* Address first, then command */
904 if (shift < 8) {
905 shift += 8;
906 ircode |= 1 << shift;
907 } else if (shift < 16) {
908 not_code |= 1 << shift;
909 } else if (shift < 24) {
910 shift -= 16;
911 ircode |= 1 << shift;
912 } else {
913 shift -= 24;
914 not_code |= 1 << shift;
915 }
916 }
917 ngap++;
918 }
919
920
921 ir->base_time = tv;
922
923 /* TIMEOUT - Long pulse */
924 if (gap >= 5000)
925 break;
926 oldpulse = pulse;
927 } while (ngap < 32);
928
929 if (ngap == 32) {
930 /* FIXME: should check if not_code == ~ircode */
931 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
932
933 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
934 ir->code, ircode, not_code);
935
936 ir_input_keydown(ir->dev, &ir->ir, ir->code, ir->code);
937 } else
938 dprintk("Repeat last key\n");
939
940 /* Keep repeating the last key */
941 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
942
943 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
944}
945
946static int saa7134_nec_irq(struct saa7134_dev *dev)
947{
948 struct card_ir *ir = dev->remote;
949
950 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
951 tasklet_schedule(&ir->tlet);
952
953 return 1;
954}
Linux kernel - Deliverables
This page took 0.597218 seconds and 5 git commands to generate.