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V4L/DVB (11846): ir-kbd-i2c: Don't assume all IR receivers are supported
[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
MCC		 447 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
448 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
3ac706d2 449 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
df0dbbe2 450 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
ac19ecc6 451 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
d2761f22 452 case SAA7134_BOARD_AVERMEDIA_M102:
6a2d802c 453 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
b639f9d2 454 ir_codes = ir_codes_avermedia;
1da177e4
LT		 455 mask_keycode = 0x0007C8;
456 mask_keydown = 0x000010;
457 polling = 50; // ms
458 /* Set GPIO pin2 to high to enable the IR controller */
459 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
460 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
461 break;
36f6bb97
MCC		 462 case SAA7134_BOARD_AVERMEDIA_M135A:
463 ir_codes = ir_codes_avermedia_m135a;
464 mask_keydown = 0x0040000;
465 mask_keycode = 0x00013f;
466 nec_gpio = 1;
467 break;
450efcfd 468 case SAA7134_BOARD_AVERMEDIA_777:
29e0f1a1 469 case SAA7134_BOARD_AVERMEDIA_A16AR:
450efcfd 470 ir_codes = ir_codes_avermedia;
471 mask_keycode = 0x02F200;
472 mask_keydown = 0x000400;
473 polling = 50; // ms
474 /* Without this we won't receive key up events */
475 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
476 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
4dd7406e 477 break;
6e501a3f
TF		 478 case SAA7134_BOARD_AVERMEDIA_A16D:
479 ir_codes = ir_codes_avermedia_a16d;
480 mask_keycode = 0x02F200;
481 mask_keydown = 0x000400;
482 polling = 50; /* ms */
483 /* Without this we won't receive key up events */
484 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
485 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
486 break;
4ac97914 487 case SAA7134_BOARD_KWORLD_TERMINATOR:
b639f9d2 488 ir_codes = ir_codes_pixelview;
dc2286cf
JW		 489 mask_keycode = 0x00001f;
490 mask_keyup = 0x000060;
491 polling = 50; // ms
492 break;
ac19ecc6
MCC		 493 case SAA7134_BOARD_MANLI_MTV001:
494 case SAA7134_BOARD_MANLI_MTV002:
b34dddbe
DB		 495 ir_codes = ir_codes_manli;
496 mask_keycode = 0x001f00;
497 mask_keyup = 0x004000;
498 polling = 50; /* ms */
499 break;
a8ff417e 500 case SAA7134_BOARD_BEHOLD_409FM:
e8018c9e
AMT		 501 case SAA7134_BOARD_BEHOLD_401:
502 case SAA7134_BOARD_BEHOLD_403:
503 case SAA7134_BOARD_BEHOLD_403FM:
504 case SAA7134_BOARD_BEHOLD_405:
505 case SAA7134_BOARD_BEHOLD_405FM:
506 case SAA7134_BOARD_BEHOLD_407:
507 case SAA7134_BOARD_BEHOLD_407FM:
508 case SAA7134_BOARD_BEHOLD_409:
509 case SAA7134_BOARD_BEHOLD_505FM:
84d728c3 510 case SAA7134_BOARD_BEHOLD_505RDS:
e8018c9e 511 case SAA7134_BOARD_BEHOLD_507_9FM:
84d728c3
DB		 512 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
513 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
4c0f631e 514 ir_codes = ir_codes_manli;
b34dddbe
DB		 515 mask_keycode = 0x003f00;
516 mask_keyup = 0x004000;
517 polling = 50; /* ms */
518 break;
519 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
520 ir_codes = ir_codes_behold_columbus;
521 mask_keycode = 0x003f00;
ac19ecc6 522 mask_keyup = 0x004000;
ac19ecc6
MCC		 523 polling = 50; // ms
524 break;
17ce1ff9 525 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
4c0f631e 526 ir_codes = ir_codes_pctv_sedna;
c3d93192
PM		 527 mask_keycode = 0x001f00;
528 mask_keyup = 0x004000;
529 polling = 50; // ms
530 break;
4ac97914 531 case SAA7134_BOARD_GOTVIEW_7135:
4c0f631e 532 ir_codes = ir_codes_gotview7135;
0938e319 533 mask_keycode = 0x0003CC;
6b961440 534 mask_keydown = 0x000010;
0938e319
P		 535 polling = 5; /* ms */
536 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
6b961440 537 break;
1da177e4 538 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
2a9a9a84 539 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
330a115a 540 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
4c0f631e 541 ir_codes = ir_codes_videomate_tv_pvr;
1da177e4
LT		 542 mask_keycode = 0x00003F;
543 mask_keyup = 0x400000;
544 polling = 50; // ms
545 break;
b04c1baf
MM		 546 case SAA7134_BOARD_PROTEUS_2309:
547 ir_codes = ir_codes_proteus_2309;
548 mask_keycode = 0x00007F;
549 mask_keyup = 0x000080;
550 polling = 50; // ms
551 break;
4ac97914
MCC		 552 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
553 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
4c0f631e 554 ir_codes = ir_codes_videomate_tv_pvr;
fea095fe
NS		 555 mask_keycode = 0x003F00;
556 mask_keyup = 0x040000;
557 break;
f5c965ab 558 case SAA7134_BOARD_FLYDVBS_LR300:
3d8466ec 559 case SAA7134_BOARD_FLYDVBT_LR301:
a8029170 560 case SAA7134_BOARD_FLYDVBTDUO:
3d8466ec
GG		 561 ir_codes = ir_codes_flydvb;
562 mask_keycode = 0x0001F00;
563 mask_keydown = 0x0040000;
564 break;
9160723e 565 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
904ab884 566 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
0b17d0ed 567 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
9160723e
HP		 568 ir_codes = ir_codes_asus_pc39;
569 mask_keydown = 0x0040000;
570 rc5_gpio = 1;
571 break;
c36c459a
JPS		 572 case SAA7134_BOARD_ENCORE_ENLTV:
573 case SAA7134_BOARD_ENCORE_ENLTV_FM:
574 ir_codes = ir_codes_encore_enltv;
575 mask_keycode = 0x00007f;
576 mask_keyup = 0x040000;
577 polling = 50; // ms
578 break;
bf1ece6a
MCC		 579 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
580 ir_codes = ir_codes_encore_enltv_fm53;
581 mask_keydown = 0x0040000;
582 mask_keycode = 0x00007f;
583 nec_gpio = 1;
584 break;
480f75ac
TW		 585 case SAA7134_BOARD_10MOONSTVMASTER3:
586 ir_codes = ir_codes_encore_enltv;
587 mask_keycode = 0x5f80000;
588 mask_keyup = 0x8000000;
589 polling = 50; //ms
590 break;
f0ba356c
AP		 591 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
592 ir_codes = ir_codes_genius_tvgo_a11mce;
593 mask_keycode = 0xff;
594 mask_keydown = 0xf00000;
595 polling = 50; /* ms */
596 break;
9b000191
MCC		 597 case SAA7134_BOARD_REAL_ANGEL_220:
598 ir_codes = ir_codes_real_audio_220_32_keys;
599 mask_keycode = 0x3f00;
600 mask_keyup = 0x4000;
601 polling = 50; /* ms */
602 break;
26d5f3a3
MCC		 603 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
604 ir_codes = ir_codes_kworld_plus_tv_analog;
605 mask_keycode = 0x7f;
606 polling = 40; /* ms */
607 break;
1da177e4
LT		 608 }
609 if (NULL == ir_codes) {
610 printk("%s: Oops: IR config error [card=%d]\n",
611 dev->name, dev->board);
612 return -ENODEV;
613 }
614
b7df3910
DT		 615 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
616 input_dev = input_allocate_device();
617 if (!ir || !input_dev) {
b07b4783
DT		 618 err = -ENOMEM;
619 goto err_out_free;
b7df3910 620 }
1da177e4 621
d271d1c2
DT		 622 ir->dev = input_dev;
623
1da177e4
LT		 624 /* init hardware-specific stuff */
625 ir->mask_keycode = mask_keycode;
626 ir->mask_keydown = mask_keydown;
627 ir->mask_keyup = mask_keyup;
4ac97914 628 ir->polling = polling;
9160723e 629 ir->rc5_gpio = rc5_gpio;
622ecb30 630 ir->nec_gpio = nec_gpio;
1da177e4
LT		 631
632 /* init input device */
633 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
634 saa7134_boards[dev->board].name);
635 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
636 pci_name(dev->pci));
637
b7df3910
DT		 638 ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
639 input_dev->name = ir->name;
640 input_dev->phys = ir->phys;
641 input_dev->id.bustype = BUS_PCI;
642 input_dev->id.version = 1;
1da177e4 643 if (dev->pci->subsystem_vendor) {
b7df3910
DT		 644 input_dev->id.vendor = dev->pci->subsystem_vendor;
645 input_dev->id.product = dev->pci->subsystem_device;
1da177e4 646 } else {
b7df3910
DT		 647 input_dev->id.vendor = dev->pci->vendor;
648 input_dev->id.product = dev->pci->device;
1da177e4 649 }
2c8a3a33 650 input_dev->dev.parent = &dev->pci->dev;
1da177e4 651
1da177e4 652 dev->remote = ir;
b07b4783
DT		 653 saa7134_ir_start(dev, ir);
654
655 err = input_register_device(ir->dev);
656 if (err)
657 goto err_out_stop;
1da177e4 658
0938e319
P		 659 /* the remote isn't as bouncy as a keyboard */
660 ir->dev->rep[REP_DELAY] = repeat_delay;
661 ir->dev->rep[REP_PERIOD] = repeat_period;
662
1da177e4 663 return 0;
b07b4783
DT		 664
665 err_out_stop:
666 saa7134_ir_stop(dev);
667 dev->remote = NULL;
668 err_out_free:
669 input_free_device(input_dev);
670 kfree(ir);
671 return err;
1da177e4
LT		 672}
673
674void saa7134_input_fini(struct saa7134_dev *dev)
675{
676 if (NULL == dev->remote)
677 return;
678
b07b4783 679 saa7134_ir_stop(dev);
b7df3910 680 input_unregister_device(dev->remote->dev);
1da177e4
LT		 681 kfree(dev->remote);
682 dev->remote = NULL;
683}
684
c668f32d 685void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
ac9cd976 686{
c668f32d 687 struct i2c_board_info info;
4d7a2d67 688 struct IR_i2c_init_data init_data;
c668f32d
JD		 689 const unsigned short addr_list[] = {
690 0x7a, 0x47, 0x71, 0x2d,
691 I2C_CLIENT_END
692 };
693
694 const unsigned short addr_list_msi[] = {
695 0x30, I2C_CLIENT_END
696 };
697 struct i2c_msg msg_msi = {
698 .addr = 0x50,
699 .flags = I2C_M_RD,
700 .len = 0,
701 .buf = NULL,
702 };
703
704 unsigned char subaddr, data;
705 struct i2c_msg msg_avermedia[] = { {
706 .addr = 0x40,
707 .flags = 0,
708 .len = 1,
709 .buf = &subaddr,
710 }, {
711 .addr = 0x40,
712 .flags = I2C_M_RD,
713 .len = 1,
714 .buf = &data,
715 } };
716
717 struct i2c_client *client;
718 int rc;
719
ac9cd976 720 if (disable_ir) {
c668f32d 721 dprintk("IR has been disabled, not probing for i2c remote\n");
ac9cd976
RC		 722 return;
723 }
724
c668f32d 725 memset(&info, 0, sizeof(struct i2c_board_info));
4d7a2d67 726 memset(&init_data, 0, sizeof(struct IR_i2c_init_data));
c668f32d 727 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
c668f32d 728
ac9cd976
RC		 729 switch (dev->board) {
730 case SAA7134_BOARD_PINNACLE_PCTV_110i:
eb591af3 731 case SAA7134_BOARD_PINNACLE_PCTV_310i:
4d7a2d67 732 init_data.name = "Pinnacle PCTV";
b93eedb6 733 if (pinnacle_remote == 0) {
4d7a2d67
JD		 734 init_data.get_key = get_key_pinnacle_color;
735 init_data.ir_codes = ir_codes_pinnacle_color;
b93eedb6 736 } else {
4d7a2d67
JD		 737 init_data.get_key = get_key_pinnacle_grey;
738 init_data.ir_codes = ir_codes_pinnacle_grey;
b93eedb6 739 }
ac9cd976
RC		 740 break;
741 case SAA7134_BOARD_UPMOST_PURPLE_TV:
4d7a2d67
JD		 742 init_data.name = "Purple TV";
743 init_data.get_key = get_key_purpletv;
744 init_data.ir_codes = ir_codes_purpletv;
ac9cd976 745 break;
ba340b40 746 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
4d7a2d67
JD		 747 init_data.name = "MSI TV@nywhere Plus";
748 init_data.get_key = get_key_msi_tvanywhere_plus;
749 init_data.ir_codes = ir_codes_msi_tvanywhere_plus;
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:
4d7a2d67
JD		 768 init_data.name = "BeholdTV";
769 init_data.get_key = get_key_beholdm6xx;
770 init_data.ir_codes = ir_codes_behold;
ac9cd976
RC		 771 break;
772 }
773
4d7a2d67
JD		 774 if (init_data.name)
775 info.platform_data = &init_data;
776 client = i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
777 if (client)
778 return;
779
780 /* MSI TV@nywhere Plus controller doesn't seem to
781 respond to probes unless we read something from
782 an existing device. Weird... */
783 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
784 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
785 msg_msi.addr, dev->i2c_adap.name,
786 (1 == rc) ? "yes" : "no");
787 client = i2c_new_probed_device(&dev->i2c_adap, &info, addr_list_msi);
788 if (client)
789 return;
790
791 /* Special case for AVerMedia Cardbus remote */
792 subaddr = 0x0d;
793 rc = i2c_transfer(&dev->i2c_adap, msg_avermedia, 2);
794 dprintk(KERN_DEBUG "probe 0x%02x/0x%02x @ %s: %s\n",
795 msg_avermedia[0].addr, subaddr, dev->i2c_adap.name,
796 (2 == rc) ? "yes" : "no");
797 if (2 == rc) {
798 info.addr = msg_avermedia[0].addr;
799 i2c_new_device(&dev->i2c_adap, &info);
800 }
ac9cd976 801}
9160723e
HP		 802
803static int saa7134_rc5_irq(struct saa7134_dev *dev)
804{
805 struct card_ir *ir = dev->remote;
806 struct timeval tv;
807 u32 gap;
808 unsigned long current_jiffies, timeout;
809
810 /* get time of bit */
811 current_jiffies = jiffies;
812 do_gettimeofday(&tv);
813
814 /* avoid overflow with gap >1s */
815 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
816 gap = 200000;
817 } else {
818 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
819 tv.tv_usec - ir->base_time.tv_usec;
820 }
821
822 /* active code => add bit */
823 if (ir->active) {
824 /* only if in the code (otherwise spurious IRQ or timer
825 late) */
826 if (ir->last_bit < 28) {
827 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
828 ir_rc5_remote_gap;
829 ir->code |= 1 << ir->last_bit;
830 }
831 /* starting new code */
832 } else {
833 ir->active = 1;
834 ir->code = 0;
835 ir->base_time = tv;
836 ir->last_bit = 0;
837
838 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
839 mod_timer(&ir->timer_end, timeout);
840 }
841
842 return 1;
843}
844
622ecb30
MCC		 845
846/* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
847 The first pulse (start) has 9 + 4.5 ms
1da177e4 848 */
622ecb30
MCC		 849
850static void saa7134_nec_timer(unsigned long data)
851{
852 struct saa7134_dev *dev = (struct saa7134_dev *) data;
853 struct card_ir *ir = dev->remote;
854
855 dprintk("Cancel key repeat\n");
856
857 ir_input_nokey(ir->dev, &ir->ir);
858}
859
860static void nec_task(unsigned long data)
861{
862 struct saa7134_dev *dev = (struct saa7134_dev *) data;
863 struct card_ir *ir;
864 struct timeval tv;
865 int count, pulse, oldpulse, gap;
866 u32 ircode = 0, not_code = 0;
867 int ngap = 0;
868
869 if (!data) {
870 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
871 /* GPIO will be kept disabled */
872 return;
873 }
874
875 ir = dev->remote;
876
877 /* rising SAA7134_GPIO_GPRESCAN reads the status */
878 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
879 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
880
881 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
882 pulse = oldpulse;
883
884 do_gettimeofday(&tv);
885 ir->base_time = tv;
886
887 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
888 Unfortunately, using IRQ to decode pulse didn't work, since it uses
889 a pulse train of 38KHz. This means one pulse on each 52 us
890 */
891 do {
892 /* Wait until the end of pulse/space or 5 ms */
893 for (count = 0; count < 500; count++) {
894 udelay(10);
895 /* rising SAA7134_GPIO_GPRESCAN reads the status */
896 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
897 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
898 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
899 & ir->mask_keydown;
900 if (pulse != oldpulse)
901 break;
902 }
903
904 do_gettimeofday(&tv);
905 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
906 tv.tv_usec - ir->base_time.tv_usec;
907
908 if (!pulse) {
909 /* Bit 0 has 560 us, while bit 1 has 1120 us.
910 Do something only if bit == 1
911 */
912 if (ngap && (gap > 560 + 280)) {
913 unsigned int shift = ngap - 1;
914
915 /* Address first, then command */
916 if (shift < 8) {
917 shift += 8;
918 ircode |= 1 << shift;
919 } else if (shift < 16) {
920 not_code |= 1 << shift;
921 } else if (shift < 24) {
922 shift -= 16;
923 ircode |= 1 << shift;
924 } else {
925 shift -= 24;
926 not_code |= 1 << shift;
927 }
928 }
929 ngap++;
930 }
931
932
933 ir->base_time = tv;
934
935 /* TIMEOUT - Long pulse */
936 if (gap >= 5000)
937 break;
938 oldpulse = pulse;
939 } while (ngap < 32);
940
941 if (ngap == 32) {
942 /* FIXME: should check if not_code == ~ircode */
943 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
944
945 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
946 ir->code, ircode, not_code);
947
948 ir_input_keydown(ir->dev, &ir->ir, ir->code, ir->code);
949 } else
950 dprintk("Repeat last key\n");
951
952 /* Keep repeating the last key */
953 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
954
955 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
956}
957
958static int saa7134_nec_irq(struct saa7134_dev *dev)
959{
960 struct card_ir *ir = dev->remote;
961
962 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
963 tasklet_schedule(&ir->tlet);
964
965 return 1;
966}
Linux kernel - Deliverables
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