diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/media/video/saa7134/saa7134-input.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-input.c')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-input.c | 972 |
1 files changed, 972 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c new file mode 100644 index 00000000000..d4ee24bf692 --- /dev/null +++ b/drivers/media/video/saa7134/saa7134-input.c | |||
@@ -0,0 +1,972 @@ | |||
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/slab.h> | ||
26 | |||
27 | #include "saa7134-reg.h" | ||
28 | #include "saa7134.h" | ||
29 | |||
30 | #define MODULE_NAME "saa7134" | ||
31 | |||
32 | static unsigned int disable_ir; | ||
33 | module_param(disable_ir, int, 0444); | ||
34 | MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); | ||
35 | |||
36 | static unsigned int ir_debug; | ||
37 | module_param(ir_debug, int, 0644); | ||
38 | MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); | ||
39 | |||
40 | static int pinnacle_remote; | ||
41 | module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */ | ||
42 | MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)"); | ||
43 | |||
44 | #define dprintk(fmt, arg...) if (ir_debug) \ | ||
45 | printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) | ||
46 | #define i2cdprintk(fmt, arg...) if (ir_debug) \ | ||
47 | printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg) | ||
48 | |||
49 | /* Helper function for raw decoding at GPIO16 or GPIO18 */ | ||
50 | static int saa7134_raw_decode_irq(struct saa7134_dev *dev); | ||
51 | |||
52 | /* -------------------- GPIO generic keycode builder -------------------- */ | ||
53 | |||
54 | static int build_key(struct saa7134_dev *dev) | ||
55 | { | ||
56 | struct saa7134_card_ir *ir = dev->remote; | ||
57 | u32 gpio, data; | ||
58 | |||
59 | /* here comes the additional handshake steps for some cards */ | ||
60 | switch (dev->board) { | ||
61 | case SAA7134_BOARD_GOTVIEW_7135: | ||
62 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80); | ||
63 | saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80); | ||
64 | break; | ||
65 | } | ||
66 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | ||
67 | saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | ||
68 | saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | ||
69 | |||
70 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | ||
71 | if (ir->polling) { | ||
72 | if (ir->last_gpio == gpio) | ||
73 | return 0; | ||
74 | ir->last_gpio = gpio; | ||
75 | } | ||
76 | |||
77 | data = ir_extract_bits(gpio, ir->mask_keycode); | ||
78 | dprintk("build_key gpio=0x%x mask=0x%x data=%d\n", | ||
79 | gpio, ir->mask_keycode, data); | ||
80 | |||
81 | switch (dev->board) { | ||
82 | case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: | ||
83 | if (data == ir->mask_keycode) | ||
84 | rc_keyup(ir->dev); | ||
85 | else | ||
86 | rc_keydown_notimeout(ir->dev, data, 0); | ||
87 | return 0; | ||
88 | } | ||
89 | |||
90 | if (ir->polling) { | ||
91 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | ||
92 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | ||
93 | rc_keydown_notimeout(ir->dev, data, 0); | ||
94 | } else { | ||
95 | rc_keyup(ir->dev); | ||
96 | } | ||
97 | } | ||
98 | else { /* IRQ driven mode - handle key press and release in one go */ | ||
99 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | ||
100 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | ||
101 | rc_keydown_notimeout(ir->dev, data, 0); | ||
102 | rc_keyup(ir->dev); | ||
103 | } | ||
104 | } | ||
105 | |||
106 | return 0; | ||
107 | } | ||
108 | |||
109 | /* --------------------- Chip specific I2C key builders ----------------- */ | ||
110 | |||
111 | static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | ||
112 | { | ||
113 | int gpio; | ||
114 | int attempt = 0; | ||
115 | unsigned char b; | ||
116 | |||
117 | /* We need this to access GPI Used by the saa_readl macro. */ | ||
118 | struct saa7134_dev *dev = ir->c->adapter->algo_data; | ||
119 | |||
120 | if (dev == NULL) { | ||
121 | i2cdprintk("get_key_flydvb_trio: " | ||
122 | "ir->c->adapter->algo_data is NULL!\n"); | ||
123 | return -EIO; | ||
124 | } | ||
125 | |||
126 | /* rising SAA7134_GPIGPRESCAN reads the status */ | ||
127 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
128 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
129 | |||
130 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | ||
131 | |||
132 | if (0x40000 & ~gpio) | ||
133 | return 0; /* No button press */ | ||
134 | |||
135 | /* No button press - only before first key pressed */ | ||
136 | if (b == 0xFF) | ||
137 | return 0; | ||
138 | |||
139 | /* poll IR chip */ | ||
140 | /* weak up the IR chip */ | ||
141 | b = 0; | ||
142 | |||
143 | while (1 != i2c_master_send(ir->c, &b, 1)) { | ||
144 | if ((attempt++) < 10) { | ||
145 | /* | ||
146 | * wait a bit for next attempt - | ||
147 | * I don't know how make it better | ||
148 | */ | ||
149 | msleep(10); | ||
150 | continue; | ||
151 | } | ||
152 | i2cdprintk("send wake up byte to pic16C505 (IR chip)" | ||
153 | "failed %dx\n", attempt); | ||
154 | return -EIO; | ||
155 | } | ||
156 | if (1 != i2c_master_recv(ir->c, &b, 1)) { | ||
157 | i2cdprintk("read error\n"); | ||
158 | return -EIO; | ||
159 | } | ||
160 | |||
161 | *ir_key = b; | ||
162 | *ir_raw = b; | ||
163 | return 1; | ||
164 | } | ||
165 | |||
166 | static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key, | ||
167 | u32 *ir_raw) | ||
168 | { | ||
169 | unsigned char b; | ||
170 | int gpio; | ||
171 | |||
172 | /* <dev> is needed to access GPIO. Used by the saa_readl macro. */ | ||
173 | struct saa7134_dev *dev = ir->c->adapter->algo_data; | ||
174 | if (dev == NULL) { | ||
175 | i2cdprintk("get_key_msi_tvanywhere_plus: " | ||
176 | "ir->c->adapter->algo_data is NULL!\n"); | ||
177 | return -EIO; | ||
178 | } | ||
179 | |||
180 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | ||
181 | |||
182 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
183 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
184 | |||
185 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | ||
186 | |||
187 | /* GPIO&0x40 is pulsed low when a button is pressed. Don't do | ||
188 | I2C receive if gpio&0x40 is not low. */ | ||
189 | |||
190 | if (gpio & 0x40) | ||
191 | return 0; /* No button press */ | ||
192 | |||
193 | /* GPIO says there is a button press. Get it. */ | ||
194 | |||
195 | if (1 != i2c_master_recv(ir->c, &b, 1)) { | ||
196 | i2cdprintk("read error\n"); | ||
197 | return -EIO; | ||
198 | } | ||
199 | |||
200 | /* No button press */ | ||
201 | |||
202 | if (b == 0xff) | ||
203 | return 0; | ||
204 | |||
205 | /* Button pressed */ | ||
206 | |||
207 | dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b); | ||
208 | *ir_key = b; | ||
209 | *ir_raw = b; | ||
210 | return 1; | ||
211 | } | ||
212 | |||
213 | static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | ||
214 | { | ||
215 | unsigned char b; | ||
216 | |||
217 | /* poll IR chip */ | ||
218 | if (1 != i2c_master_recv(ir->c, &b, 1)) { | ||
219 | i2cdprintk("read error\n"); | ||
220 | return -EIO; | ||
221 | } | ||
222 | |||
223 | /* no button press */ | ||
224 | if (b==0) | ||
225 | return 0; | ||
226 | |||
227 | /* repeating */ | ||
228 | if (b & 0x80) | ||
229 | return 1; | ||
230 | |||
231 | *ir_key = b; | ||
232 | *ir_raw = b; | ||
233 | return 1; | ||
234 | } | ||
235 | |||
236 | static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | ||
237 | { | ||
238 | unsigned char buf[5], cod4, code3, code4; | ||
239 | |||
240 | /* poll IR chip */ | ||
241 | if (5 != i2c_master_recv(ir->c, buf, 5)) | ||
242 | return -EIO; | ||
243 | |||
244 | cod4 = buf[4]; | ||
245 | code4 = (cod4 >> 2); | ||
246 | code3 = buf[3]; | ||
247 | if (code3 == 0) | ||
248 | /* no key pressed */ | ||
249 | return 0; | ||
250 | |||
251 | /* return key */ | ||
252 | *ir_key = code4; | ||
253 | *ir_raw = code4; | ||
254 | return 1; | ||
255 | } | ||
256 | |||
257 | |||
258 | static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | ||
259 | { | ||
260 | unsigned char data[12]; | ||
261 | u32 gpio; | ||
262 | |||
263 | struct saa7134_dev *dev = ir->c->adapter->algo_data; | ||
264 | |||
265 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | ||
266 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
267 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
268 | |||
269 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | ||
270 | |||
271 | if (0x400000 & ~gpio) | ||
272 | return 0; /* No button press */ | ||
273 | |||
274 | ir->c->addr = 0x5a >> 1; | ||
275 | |||
276 | if (12 != i2c_master_recv(ir->c, data, 12)) { | ||
277 | i2cdprintk("read error\n"); | ||
278 | return -EIO; | ||
279 | } | ||
280 | |||
281 | if (data[9] != (unsigned char)(~data[8])) | ||
282 | return 0; | ||
283 | |||
284 | *ir_raw = ((data[10] << 16) | (data[11] << 8) | (data[9] << 0)); | ||
285 | *ir_key = *ir_raw; | ||
286 | |||
287 | return 1; | ||
288 | } | ||
289 | |||
290 | /* Common (grey or coloured) pinnacle PCTV remote handling | ||
291 | * | ||
292 | */ | ||
293 | static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, | ||
294 | int parity_offset, int marker, int code_modulo) | ||
295 | { | ||
296 | unsigned char b[4]; | ||
297 | unsigned int start = 0,parity = 0,code = 0; | ||
298 | |||
299 | /* poll IR chip */ | ||
300 | if (4 != i2c_master_recv(ir->c, b, 4)) { | ||
301 | i2cdprintk("read error\n"); | ||
302 | return -EIO; | ||
303 | } | ||
304 | |||
305 | for (start = 0; start < ARRAY_SIZE(b); start++) { | ||
306 | if (b[start] == marker) { | ||
307 | code=b[(start+parity_offset + 1) % 4]; | ||
308 | parity=b[(start+parity_offset) % 4]; | ||
309 | } | ||
310 | } | ||
311 | |||
312 | /* Empty Request */ | ||
313 | if (parity == 0) | ||
314 | return 0; | ||
315 | |||
316 | /* Repeating... */ | ||
317 | if (ir->old == parity) | ||
318 | return 0; | ||
319 | |||
320 | ir->old = parity; | ||
321 | |||
322 | /* drop special codes when a key is held down a long time for the grey controller | ||
323 | In this case, the second bit of the code is asserted */ | ||
324 | if (marker == 0xfe && (code & 0x40)) | ||
325 | return 0; | ||
326 | |||
327 | code %= code_modulo; | ||
328 | |||
329 | *ir_raw = code; | ||
330 | *ir_key = code; | ||
331 | |||
332 | i2cdprintk("Pinnacle PCTV key %02x\n", code); | ||
333 | |||
334 | return 1; | ||
335 | } | ||
336 | |||
337 | /* The grey pinnacle PCTV remote | ||
338 | * | ||
339 | * There are one issue with this remote: | ||
340 | * - I2c packet does not change when the same key is pressed quickly. The workaround | ||
341 | * is to hold down each key for about half a second, so that another code is generated | ||
342 | * in the i2c packet, and the function can distinguish key presses. | ||
343 | * | ||
344 | * Sylvain Pasche <sylvain.pasche@gmail.com> | ||
345 | */ | ||
346 | static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | ||
347 | { | ||
348 | |||
349 | return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff); | ||
350 | } | ||
351 | |||
352 | |||
353 | /* The new pinnacle PCTV remote (with the colored buttons) | ||
354 | * | ||
355 | * Ricardo Cerqueira <v4l@cerqueira.org> | ||
356 | */ | ||
357 | static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | ||
358 | { | ||
359 | /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE | ||
360 | * | ||
361 | * this is the only value that results in 42 unique | ||
362 | * codes < 128 | ||
363 | */ | ||
364 | |||
365 | return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88); | ||
366 | } | ||
367 | |||
368 | void saa7134_input_irq(struct saa7134_dev *dev) | ||
369 | { | ||
370 | struct saa7134_card_ir *ir; | ||
371 | |||
372 | if (!dev || !dev->remote) | ||
373 | return; | ||
374 | |||
375 | ir = dev->remote; | ||
376 | if (!ir->running) | ||
377 | return; | ||
378 | |||
379 | if (!ir->polling && !ir->raw_decode) { | ||
380 | build_key(dev); | ||
381 | } else if (ir->raw_decode) { | ||
382 | saa7134_raw_decode_irq(dev); | ||
383 | } | ||
384 | } | ||
385 | |||
386 | static void saa7134_input_timer(unsigned long data) | ||
387 | { | ||
388 | struct saa7134_dev *dev = (struct saa7134_dev *)data; | ||
389 | struct saa7134_card_ir *ir = dev->remote; | ||
390 | |||
391 | build_key(dev); | ||
392 | mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); | ||
393 | } | ||
394 | |||
395 | static void ir_raw_decode_timer_end(unsigned long data) | ||
396 | { | ||
397 | struct saa7134_dev *dev = (struct saa7134_dev *)data; | ||
398 | struct saa7134_card_ir *ir = dev->remote; | ||
399 | |||
400 | ir_raw_event_handle(dev->remote->dev); | ||
401 | |||
402 | ir->active = false; | ||
403 | } | ||
404 | |||
405 | static int __saa7134_ir_start(void *priv) | ||
406 | { | ||
407 | struct saa7134_dev *dev = priv; | ||
408 | struct saa7134_card_ir *ir; | ||
409 | |||
410 | if (!dev || !dev->remote) | ||
411 | return -EINVAL; | ||
412 | |||
413 | ir = dev->remote; | ||
414 | if (ir->running) | ||
415 | return 0; | ||
416 | |||
417 | /* Moved here from saa7134_input_init1() because the latter | ||
418 | * is not called on device resume */ | ||
419 | switch (dev->board) { | ||
420 | case SAA7134_BOARD_MD2819: | ||
421 | case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: | ||
422 | case SAA7134_BOARD_AVERMEDIA_305: | ||
423 | case SAA7134_BOARD_AVERMEDIA_307: | ||
424 | case SAA7134_BOARD_AVERMEDIA_STUDIO_305: | ||
425 | case SAA7134_BOARD_AVERMEDIA_STUDIO_505: | ||
426 | case SAA7134_BOARD_AVERMEDIA_STUDIO_307: | ||
427 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507: | ||
428 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: | ||
429 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM: | ||
430 | case SAA7134_BOARD_AVERMEDIA_M102: | ||
431 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: | ||
432 | /* Without this we won't receive key up events */ | ||
433 | saa_setb(SAA7134_GPIO_GPMODE0, 0x4); | ||
434 | saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); | ||
435 | break; | ||
436 | case SAA7134_BOARD_AVERMEDIA_777: | ||
437 | case SAA7134_BOARD_AVERMEDIA_A16AR: | ||
438 | /* Without this we won't receive key up events */ | ||
439 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | ||
440 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | ||
441 | break; | ||
442 | case SAA7134_BOARD_AVERMEDIA_A16D: | ||
443 | /* Without this we won't receive key up events */ | ||
444 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | ||
445 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | ||
446 | break; | ||
447 | case SAA7134_BOARD_GOTVIEW_7135: | ||
448 | saa_setb(SAA7134_GPIO_GPMODE1, 0x80); | ||
449 | break; | ||
450 | } | ||
451 | |||
452 | ir->running = true; | ||
453 | ir->active = false; | ||
454 | |||
455 | if (ir->polling) { | ||
456 | setup_timer(&ir->timer, saa7134_input_timer, | ||
457 | (unsigned long)dev); | ||
458 | ir->timer.expires = jiffies + HZ; | ||
459 | add_timer(&ir->timer); | ||
460 | } else if (ir->raw_decode) { | ||
461 | /* set timer_end for code completion */ | ||
462 | setup_timer(&ir->timer, ir_raw_decode_timer_end, | ||
463 | (unsigned long)dev); | ||
464 | } | ||
465 | |||
466 | return 0; | ||
467 | } | ||
468 | |||
469 | static void __saa7134_ir_stop(void *priv) | ||
470 | { | ||
471 | struct saa7134_dev *dev = priv; | ||
472 | struct saa7134_card_ir *ir; | ||
473 | |||
474 | if (!dev || !dev->remote) | ||
475 | return; | ||
476 | |||
477 | ir = dev->remote; | ||
478 | if (!ir->running) | ||
479 | return; | ||
480 | |||
481 | if (ir->polling || ir->raw_decode) | ||
482 | del_timer_sync(&ir->timer); | ||
483 | |||
484 | ir->active = false; | ||
485 | ir->running = false; | ||
486 | |||
487 | return; | ||
488 | } | ||
489 | |||
490 | int saa7134_ir_start(struct saa7134_dev *dev) | ||
491 | { | ||
492 | if (dev->remote->users) | ||
493 | return __saa7134_ir_start(dev); | ||
494 | |||
495 | return 0; | ||
496 | } | ||
497 | |||
498 | void saa7134_ir_stop(struct saa7134_dev *dev) | ||
499 | { | ||
500 | if (dev->remote->users) | ||
501 | __saa7134_ir_stop(dev); | ||
502 | } | ||
503 | |||
504 | static int saa7134_ir_open(struct rc_dev *rc) | ||
505 | { | ||
506 | struct saa7134_dev *dev = rc->priv; | ||
507 | |||
508 | dev->remote->users++; | ||
509 | return __saa7134_ir_start(dev); | ||
510 | } | ||
511 | |||
512 | static void saa7134_ir_close(struct rc_dev *rc) | ||
513 | { | ||
514 | struct saa7134_dev *dev = rc->priv; | ||
515 | |||
516 | dev->remote->users--; | ||
517 | if (!dev->remote->users) | ||
518 | __saa7134_ir_stop(dev); | ||
519 | } | ||
520 | |||
521 | int saa7134_input_init1(struct saa7134_dev *dev) | ||
522 | { | ||
523 | struct saa7134_card_ir *ir; | ||
524 | struct rc_dev *rc; | ||
525 | char *ir_codes = NULL; | ||
526 | u32 mask_keycode = 0; | ||
527 | u32 mask_keydown = 0; | ||
528 | u32 mask_keyup = 0; | ||
529 | unsigned polling = 0; | ||
530 | bool raw_decode = false; | ||
531 | int err; | ||
532 | |||
533 | if (dev->has_remote != SAA7134_REMOTE_GPIO) | ||
534 | return -ENODEV; | ||
535 | if (disable_ir) | ||
536 | return -ENODEV; | ||
537 | |||
538 | /* detect & configure */ | ||
539 | switch (dev->board) { | ||
540 | case SAA7134_BOARD_FLYVIDEO2000: | ||
541 | case SAA7134_BOARD_FLYVIDEO3000: | ||
542 | case SAA7134_BOARD_FLYTVPLATINUM_FM: | ||
543 | case SAA7134_BOARD_FLYTVPLATINUM_MINI2: | ||
544 | case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM: | ||
545 | ir_codes = RC_MAP_FLYVIDEO; | ||
546 | mask_keycode = 0xEC00000; | ||
547 | mask_keydown = 0x0040000; | ||
548 | break; | ||
549 | case SAA7134_BOARD_CINERGY400: | ||
550 | case SAA7134_BOARD_CINERGY600: | ||
551 | case SAA7134_BOARD_CINERGY600_MK3: | ||
552 | ir_codes = RC_MAP_CINERGY; | ||
553 | mask_keycode = 0x00003f; | ||
554 | mask_keyup = 0x040000; | ||
555 | break; | ||
556 | case SAA7134_BOARD_ECS_TVP3XP: | ||
557 | case SAA7134_BOARD_ECS_TVP3XP_4CB5: | ||
558 | ir_codes = RC_MAP_EZTV; | ||
559 | mask_keycode = 0x00017c; | ||
560 | mask_keyup = 0x000002; | ||
561 | polling = 50; // ms | ||
562 | break; | ||
563 | case SAA7134_BOARD_KWORLD_XPERT: | ||
564 | case SAA7134_BOARD_AVACSSMARTTV: | ||
565 | ir_codes = RC_MAP_PIXELVIEW; | ||
566 | mask_keycode = 0x00001F; | ||
567 | mask_keyup = 0x000020; | ||
568 | polling = 50; // ms | ||
569 | break; | ||
570 | case SAA7134_BOARD_MD2819: | ||
571 | case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: | ||
572 | case SAA7134_BOARD_AVERMEDIA_305: | ||
573 | case SAA7134_BOARD_AVERMEDIA_307: | ||
574 | case SAA7134_BOARD_AVERMEDIA_STUDIO_305: | ||
575 | case SAA7134_BOARD_AVERMEDIA_STUDIO_505: | ||
576 | case SAA7134_BOARD_AVERMEDIA_STUDIO_307: | ||
577 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507: | ||
578 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: | ||
579 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM: | ||
580 | case SAA7134_BOARD_AVERMEDIA_M102: | ||
581 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: | ||
582 | ir_codes = RC_MAP_AVERMEDIA; | ||
583 | mask_keycode = 0x0007C8; | ||
584 | mask_keydown = 0x000010; | ||
585 | polling = 50; // ms | ||
586 | /* GPIO stuff moved to __saa7134_ir_start() */ | ||
587 | break; | ||
588 | case SAA7134_BOARD_AVERMEDIA_M135A: | ||
589 | ir_codes = RC_MAP_AVERMEDIA_M135A; | ||
590 | mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ | ||
591 | mask_keyup = 0x0040000; | ||
592 | mask_keycode = 0xffff; | ||
593 | raw_decode = true; | ||
594 | break; | ||
595 | case SAA7134_BOARD_AVERMEDIA_M733A: | ||
596 | ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6; | ||
597 | mask_keydown = 0x0040000; | ||
598 | mask_keyup = 0x0040000; | ||
599 | mask_keycode = 0xffff; | ||
600 | raw_decode = true; | ||
601 | break; | ||
602 | case SAA7134_BOARD_AVERMEDIA_777: | ||
603 | case SAA7134_BOARD_AVERMEDIA_A16AR: | ||
604 | ir_codes = RC_MAP_AVERMEDIA; | ||
605 | mask_keycode = 0x02F200; | ||
606 | mask_keydown = 0x000400; | ||
607 | polling = 50; // ms | ||
608 | /* GPIO stuff moved to __saa7134_ir_start() */ | ||
609 | break; | ||
610 | case SAA7134_BOARD_AVERMEDIA_A16D: | ||
611 | ir_codes = RC_MAP_AVERMEDIA_A16D; | ||
612 | mask_keycode = 0x02F200; | ||
613 | mask_keydown = 0x000400; | ||
614 | polling = 50; /* ms */ | ||
615 | /* GPIO stuff moved to __saa7134_ir_start() */ | ||
616 | break; | ||
617 | case SAA7134_BOARD_KWORLD_TERMINATOR: | ||
618 | ir_codes = RC_MAP_PIXELVIEW; | ||
619 | mask_keycode = 0x00001f; | ||
620 | mask_keyup = 0x000060; | ||
621 | polling = 50; // ms | ||
622 | break; | ||
623 | case SAA7134_BOARD_MANLI_MTV001: | ||
624 | case SAA7134_BOARD_MANLI_MTV002: | ||
625 | ir_codes = RC_MAP_MANLI; | ||
626 | mask_keycode = 0x001f00; | ||
627 | mask_keyup = 0x004000; | ||
628 | polling = 50; /* ms */ | ||
629 | break; | ||
630 | case SAA7134_BOARD_BEHOLD_409FM: | ||
631 | case SAA7134_BOARD_BEHOLD_401: | ||
632 | case SAA7134_BOARD_BEHOLD_403: | ||
633 | case SAA7134_BOARD_BEHOLD_403FM: | ||
634 | case SAA7134_BOARD_BEHOLD_405: | ||
635 | case SAA7134_BOARD_BEHOLD_405FM: | ||
636 | case SAA7134_BOARD_BEHOLD_407: | ||
637 | case SAA7134_BOARD_BEHOLD_407FM: | ||
638 | case SAA7134_BOARD_BEHOLD_409: | ||
639 | case SAA7134_BOARD_BEHOLD_505FM: | ||
640 | case SAA7134_BOARD_BEHOLD_505RDS_MK5: | ||
641 | case SAA7134_BOARD_BEHOLD_505RDS_MK3: | ||
642 | case SAA7134_BOARD_BEHOLD_507_9FM: | ||
643 | case SAA7134_BOARD_BEHOLD_507RDS_MK3: | ||
644 | case SAA7134_BOARD_BEHOLD_507RDS_MK5: | ||
645 | ir_codes = RC_MAP_MANLI; | ||
646 | mask_keycode = 0x003f00; | ||
647 | mask_keyup = 0x004000; | ||
648 | polling = 50; /* ms */ | ||
649 | break; | ||
650 | case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM: | ||
651 | ir_codes = RC_MAP_BEHOLD_COLUMBUS; | ||
652 | mask_keycode = 0x003f00; | ||
653 | mask_keyup = 0x004000; | ||
654 | polling = 50; // ms | ||
655 | break; | ||
656 | case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: | ||
657 | ir_codes = RC_MAP_PCTV_SEDNA; | ||
658 | mask_keycode = 0x001f00; | ||
659 | mask_keyup = 0x004000; | ||
660 | polling = 50; // ms | ||
661 | break; | ||
662 | case SAA7134_BOARD_GOTVIEW_7135: | ||
663 | ir_codes = RC_MAP_GOTVIEW7135; | ||
664 | mask_keycode = 0x0003CC; | ||
665 | mask_keydown = 0x000010; | ||
666 | polling = 5; /* ms */ | ||
667 | /* GPIO stuff moved to __saa7134_ir_start() */ | ||
668 | break; | ||
669 | case SAA7134_BOARD_VIDEOMATE_TV_PVR: | ||
670 | case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: | ||
671 | case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: | ||
672 | ir_codes = RC_MAP_VIDEOMATE_TV_PVR; | ||
673 | mask_keycode = 0x00003F; | ||
674 | mask_keyup = 0x400000; | ||
675 | polling = 50; // ms | ||
676 | break; | ||
677 | case SAA7134_BOARD_PROTEUS_2309: | ||
678 | ir_codes = RC_MAP_PROTEUS_2309; | ||
679 | mask_keycode = 0x00007F; | ||
680 | mask_keyup = 0x000080; | ||
681 | polling = 50; // ms | ||
682 | break; | ||
683 | case SAA7134_BOARD_VIDEOMATE_DVBT_300: | ||
684 | case SAA7134_BOARD_VIDEOMATE_DVBT_200: | ||
685 | ir_codes = RC_MAP_VIDEOMATE_TV_PVR; | ||
686 | mask_keycode = 0x003F00; | ||
687 | mask_keyup = 0x040000; | ||
688 | break; | ||
689 | case SAA7134_BOARD_FLYDVBS_LR300: | ||
690 | case SAA7134_BOARD_FLYDVBT_LR301: | ||
691 | case SAA7134_BOARD_FLYDVBTDUO: | ||
692 | ir_codes = RC_MAP_FLYDVB; | ||
693 | mask_keycode = 0x0001F00; | ||
694 | mask_keydown = 0x0040000; | ||
695 | break; | ||
696 | case SAA7134_BOARD_ASUSTeK_P7131_DUAL: | ||
697 | case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: | ||
698 | case SAA7134_BOARD_ASUSTeK_P7131_ANALOG: | ||
699 | ir_codes = RC_MAP_ASUS_PC39; | ||
700 | mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ | ||
701 | mask_keyup = 0x0040000; | ||
702 | mask_keycode = 0xffff; | ||
703 | raw_decode = true; | ||
704 | break; | ||
705 | case SAA7134_BOARD_ENCORE_ENLTV: | ||
706 | case SAA7134_BOARD_ENCORE_ENLTV_FM: | ||
707 | ir_codes = RC_MAP_ENCORE_ENLTV; | ||
708 | mask_keycode = 0x00007f; | ||
709 | mask_keyup = 0x040000; | ||
710 | polling = 50; // ms | ||
711 | break; | ||
712 | case SAA7134_BOARD_ENCORE_ENLTV_FM53: | ||
713 | case SAA7134_BOARD_ENCORE_ENLTV_FM3: | ||
714 | ir_codes = RC_MAP_ENCORE_ENLTV_FM53; | ||
715 | mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ | ||
716 | mask_keyup = 0x0040000; | ||
717 | mask_keycode = 0xffff; | ||
718 | raw_decode = true; | ||
719 | break; | ||
720 | case SAA7134_BOARD_10MOONSTVMASTER3: | ||
721 | ir_codes = RC_MAP_ENCORE_ENLTV; | ||
722 | mask_keycode = 0x5f80000; | ||
723 | mask_keyup = 0x8000000; | ||
724 | polling = 50; //ms | ||
725 | break; | ||
726 | case SAA7134_BOARD_GENIUS_TVGO_A11MCE: | ||
727 | ir_codes = RC_MAP_GENIUS_TVGO_A11MCE; | ||
728 | mask_keycode = 0xff; | ||
729 | mask_keydown = 0xf00000; | ||
730 | polling = 50; /* ms */ | ||
731 | break; | ||
732 | case SAA7134_BOARD_REAL_ANGEL_220: | ||
733 | ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS; | ||
734 | mask_keycode = 0x3f00; | ||
735 | mask_keyup = 0x4000; | ||
736 | polling = 50; /* ms */ | ||
737 | break; | ||
738 | case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: | ||
739 | ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG; | ||
740 | mask_keycode = 0x7f; | ||
741 | polling = 40; /* ms */ | ||
742 | break; | ||
743 | case SAA7134_BOARD_VIDEOMATE_S350: | ||
744 | ir_codes = RC_MAP_VIDEOMATE_S350; | ||
745 | mask_keycode = 0x003f00; | ||
746 | mask_keydown = 0x040000; | ||
747 | break; | ||
748 | case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S: | ||
749 | ir_codes = RC_MAP_WINFAST; | ||
750 | mask_keycode = 0x5f00; | ||
751 | mask_keyup = 0x020000; | ||
752 | polling = 50; /* ms */ | ||
753 | break; | ||
754 | case SAA7134_BOARD_VIDEOMATE_M1F: | ||
755 | ir_codes = RC_MAP_VIDEOMATE_M1F; | ||
756 | mask_keycode = 0x0ff00; | ||
757 | mask_keyup = 0x040000; | ||
758 | break; | ||
759 | case SAA7134_BOARD_HAUPPAUGE_HVR1150: | ||
760 | case SAA7134_BOARD_HAUPPAUGE_HVR1120: | ||
761 | ir_codes = RC_MAP_HAUPPAUGE; | ||
762 | mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ | ||
763 | mask_keyup = 0x0040000; | ||
764 | mask_keycode = 0xffff; | ||
765 | raw_decode = true; | ||
766 | break; | ||
767 | } | ||
768 | if (NULL == ir_codes) { | ||
769 | printk("%s: Oops: IR config error [card=%d]\n", | ||
770 | dev->name, dev->board); | ||
771 | return -ENODEV; | ||
772 | } | ||
773 | |||
774 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); | ||
775 | rc = rc_allocate_device(); | ||
776 | if (!ir || !rc) { | ||
777 | err = -ENOMEM; | ||
778 | goto err_out_free; | ||
779 | } | ||
780 | |||
781 | ir->dev = rc; | ||
782 | dev->remote = ir; | ||
783 | |||
784 | /* init hardware-specific stuff */ | ||
785 | ir->mask_keycode = mask_keycode; | ||
786 | ir->mask_keydown = mask_keydown; | ||
787 | ir->mask_keyup = mask_keyup; | ||
788 | ir->polling = polling; | ||
789 | ir->raw_decode = raw_decode; | ||
790 | |||
791 | /* init input device */ | ||
792 | snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", | ||
793 | saa7134_boards[dev->board].name); | ||
794 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | ||
795 | pci_name(dev->pci)); | ||
796 | |||
797 | rc->priv = dev; | ||
798 | rc->open = saa7134_ir_open; | ||
799 | rc->close = saa7134_ir_close; | ||
800 | if (raw_decode) | ||
801 | rc->driver_type = RC_DRIVER_IR_RAW; | ||
802 | |||
803 | rc->input_name = ir->name; | ||
804 | rc->input_phys = ir->phys; | ||
805 | rc->input_id.bustype = BUS_PCI; | ||
806 | rc->input_id.version = 1; | ||
807 | if (dev->pci->subsystem_vendor) { | ||
808 | rc->input_id.vendor = dev->pci->subsystem_vendor; | ||
809 | rc->input_id.product = dev->pci->subsystem_device; | ||
810 | } else { | ||
811 | rc->input_id.vendor = dev->pci->vendor; | ||
812 | rc->input_id.product = dev->pci->device; | ||
813 | } | ||
814 | rc->dev.parent = &dev->pci->dev; | ||
815 | rc->map_name = ir_codes; | ||
816 | rc->driver_name = MODULE_NAME; | ||
817 | |||
818 | err = rc_register_device(rc); | ||
819 | if (err) | ||
820 | goto err_out_free; | ||
821 | |||
822 | return 0; | ||
823 | |||
824 | err_out_free: | ||
825 | rc_free_device(rc); | ||
826 | dev->remote = NULL; | ||
827 | kfree(ir); | ||
828 | return err; | ||
829 | } | ||
830 | |||
831 | void saa7134_input_fini(struct saa7134_dev *dev) | ||
832 | { | ||
833 | if (NULL == dev->remote) | ||
834 | return; | ||
835 | |||
836 | saa7134_ir_stop(dev); | ||
837 | rc_unregister_device(dev->remote->dev); | ||
838 | kfree(dev->remote); | ||
839 | dev->remote = NULL; | ||
840 | } | ||
841 | |||
842 | void saa7134_probe_i2c_ir(struct saa7134_dev *dev) | ||
843 | { | ||
844 | struct i2c_board_info info; | ||
845 | struct i2c_msg msg_msi = { | ||
846 | .addr = 0x50, | ||
847 | .flags = I2C_M_RD, | ||
848 | .len = 0, | ||
849 | .buf = NULL, | ||
850 | }; | ||
851 | int rc; | ||
852 | |||
853 | if (disable_ir) { | ||
854 | dprintk("IR has been disabled, not probing for i2c remote\n"); | ||
855 | return; | ||
856 | } | ||
857 | |||
858 | memset(&info, 0, sizeof(struct i2c_board_info)); | ||
859 | memset(&dev->init_data, 0, sizeof(dev->init_data)); | ||
860 | strlcpy(info.type, "ir_video", I2C_NAME_SIZE); | ||
861 | |||
862 | switch (dev->board) { | ||
863 | case SAA7134_BOARD_PINNACLE_PCTV_110i: | ||
864 | case SAA7134_BOARD_PINNACLE_PCTV_310i: | ||
865 | dev->init_data.name = "Pinnacle PCTV"; | ||
866 | if (pinnacle_remote == 0) { | ||
867 | dev->init_data.get_key = get_key_pinnacle_color; | ||
868 | dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR; | ||
869 | info.addr = 0x47; | ||
870 | } else { | ||
871 | dev->init_data.get_key = get_key_pinnacle_grey; | ||
872 | dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY; | ||
873 | info.addr = 0x47; | ||
874 | } | ||
875 | break; | ||
876 | case SAA7134_BOARD_UPMOST_PURPLE_TV: | ||
877 | dev->init_data.name = "Purple TV"; | ||
878 | dev->init_data.get_key = get_key_purpletv; | ||
879 | dev->init_data.ir_codes = RC_MAP_PURPLETV; | ||
880 | info.addr = 0x7a; | ||
881 | break; | ||
882 | case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: | ||
883 | dev->init_data.name = "MSI TV@nywhere Plus"; | ||
884 | dev->init_data.get_key = get_key_msi_tvanywhere_plus; | ||
885 | dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS; | ||
886 | /* | ||
887 | * MSI TV@nyware Plus requires more frequent polling | ||
888 | * otherwise it will miss some keypresses | ||
889 | */ | ||
890 | dev->init_data.polling_interval = 50; | ||
891 | info.addr = 0x30; | ||
892 | /* MSI TV@nywhere Plus controller doesn't seem to | ||
893 | respond to probes unless we read something from | ||
894 | an existing device. Weird... | ||
895 | REVISIT: might no longer be needed */ | ||
896 | rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1); | ||
897 | dprintk("probe 0x%02x @ %s: %s\n", | ||
898 | msg_msi.addr, dev->i2c_adap.name, | ||
899 | (1 == rc) ? "yes" : "no"); | ||
900 | break; | ||
901 | case SAA7134_BOARD_HAUPPAUGE_HVR1110: | ||
902 | dev->init_data.name = "HVR 1110"; | ||
903 | dev->init_data.get_key = get_key_hvr1110; | ||
904 | dev->init_data.ir_codes = RC_MAP_HAUPPAUGE; | ||
905 | info.addr = 0x71; | ||
906 | break; | ||
907 | case SAA7134_BOARD_BEHOLD_607FM_MK3: | ||
908 | case SAA7134_BOARD_BEHOLD_607FM_MK5: | ||
909 | case SAA7134_BOARD_BEHOLD_609FM_MK3: | ||
910 | case SAA7134_BOARD_BEHOLD_609FM_MK5: | ||
911 | case SAA7134_BOARD_BEHOLD_607RDS_MK3: | ||
912 | case SAA7134_BOARD_BEHOLD_607RDS_MK5: | ||
913 | case SAA7134_BOARD_BEHOLD_609RDS_MK3: | ||
914 | case SAA7134_BOARD_BEHOLD_609RDS_MK5: | ||
915 | case SAA7134_BOARD_BEHOLD_M6: | ||
916 | case SAA7134_BOARD_BEHOLD_M63: | ||
917 | case SAA7134_BOARD_BEHOLD_M6_EXTRA: | ||
918 | case SAA7134_BOARD_BEHOLD_H6: | ||
919 | case SAA7134_BOARD_BEHOLD_X7: | ||
920 | case SAA7134_BOARD_BEHOLD_H7: | ||
921 | case SAA7134_BOARD_BEHOLD_A7: | ||
922 | dev->init_data.name = "BeholdTV"; | ||
923 | dev->init_data.get_key = get_key_beholdm6xx; | ||
924 | dev->init_data.ir_codes = RC_MAP_BEHOLD; | ||
925 | dev->init_data.type = RC_TYPE_NEC; | ||
926 | info.addr = 0x2d; | ||
927 | break; | ||
928 | case SAA7134_BOARD_AVERMEDIA_CARDBUS_501: | ||
929 | case SAA7134_BOARD_AVERMEDIA_CARDBUS_506: | ||
930 | info.addr = 0x40; | ||
931 | break; | ||
932 | case SAA7134_BOARD_FLYDVB_TRIO: | ||
933 | dev->init_data.name = "FlyDVB Trio"; | ||
934 | dev->init_data.get_key = get_key_flydvb_trio; | ||
935 | dev->init_data.ir_codes = RC_MAP_FLYDVB; | ||
936 | info.addr = 0x0b; | ||
937 | break; | ||
938 | default: | ||
939 | dprintk("No I2C IR support for board %x\n", dev->board); | ||
940 | return; | ||
941 | } | ||
942 | |||
943 | if (dev->init_data.name) | ||
944 | info.platform_data = &dev->init_data; | ||
945 | i2c_new_device(&dev->i2c_adap, &info); | ||
946 | } | ||
947 | |||
948 | static int saa7134_raw_decode_irq(struct saa7134_dev *dev) | ||
949 | { | ||
950 | struct saa7134_card_ir *ir = dev->remote; | ||
951 | unsigned long timeout; | ||
952 | int space; | ||
953 | |||
954 | /* Generate initial event */ | ||
955 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
956 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | ||
957 | space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; | ||
958 | ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE); | ||
959 | |||
960 | /* | ||
961 | * Wait 15 ms from the start of the first IR event before processing | ||
962 | * the event. This time is enough for NEC protocol. May need adjustments | ||
963 | * to work with other protocols. | ||
964 | */ | ||
965 | if (!ir->active) { | ||
966 | timeout = jiffies + msecs_to_jiffies(15); | ||
967 | mod_timer(&ir->timer, timeout); | ||
968 | ir->active = true; | ||
969 | } | ||
970 | |||
971 | return 1; | ||
972 | } | ||