3 * handle saa7134 IR remotes via linux kernel input layer.
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.
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.
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
21 #include <linux/module.h>
22 #include <linux/moduleparam.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/sched.h>
26 #include <linux/interrupt.h>
27 #include <linux/input.h>
29 #include "saa7134-reg.h"
32 static unsigned int disable_ir = 0;
33 module_param(disable_ir, int, 0444);
34 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
36 static unsigned int ir_debug = 0;
37 module_param(ir_debug, int, 0644);
38 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
40 #define dprintk(fmt, arg...) if (ir_debug) \
41 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
43 /* ---------------------------------------------------------------------- */
45 static IR_KEYTAB_TYPE flyvideo_codes[IR_KEYTAB_SIZE] = {
57 [ 14 ] = KEY_TUNER, // Air/Cable
58 [ 17 ] = KEY_VIDEO, // Video
59 [ 21 ] = KEY_AUDIO, // Audio
60 [ 0 ] = KEY_POWER, // Pover
61 [ 2 ] = KEY_ZOOM, // Fullscreen
62 [ 27 ] = KEY_MUTE, // Mute
63 [ 20 ] = KEY_VOLUMEUP,
64 [ 23 ] = KEY_VOLUMEDOWN,
65 [ 18 ] = KEY_CHANNELUP, // Channel +
66 [ 19 ] = KEY_CHANNELDOWN, // Channel -
67 [ 6 ] = KEY_AGAIN, // Recal
68 [ 16 ] = KEY_KPENTER, // Enter
70 [ 26 ] = KEY_F22, // Stereo
71 [ 24 ] = KEY_EDIT, // AV Source
74 static IR_KEYTAB_TYPE cinergy_codes[IR_KEYTAB_SIZE] = {
87 [ 0x0b ] = KEY_PROG1, // app
88 [ 0x0c ] = KEY_ZOOM, // zoom/fullscreen
89 [ 0x0d ] = KEY_CHANNELUP, // channel
90 [ 0x0e ] = KEY_CHANNELDOWN, // channel-
91 [ 0x0f ] = KEY_VOLUMEUP,
92 [ 0x10 ] = KEY_VOLUMEDOWN,
93 [ 0x11 ] = KEY_TUNER, // AV
94 [ 0x12 ] = KEY_NUMLOCK, // -/--
95 [ 0x13 ] = KEY_AUDIO, // audio
100 [ 0x18 ] = KEY_RIGHT,
102 [ 0x1a ] = BTN_RIGHT,
103 [ 0x1b ] = KEY_WWW, // text
104 [ 0x1c ] = KEY_REWIND,
105 [ 0x1d ] = KEY_FORWARD,
106 [ 0x1e ] = KEY_RECORD,
108 [ 0x20 ] = KEY_PREVIOUSSONG,
109 [ 0x21 ] = KEY_NEXTSONG,
110 [ 0x22 ] = KEY_PAUSE,
114 /* Alfons Geser <a.geser@cox.net>
115 * updates from Job D. R. Borges <jobdrb@ig.com.br> */
116 static IR_KEYTAB_TYPE eztv_codes[IR_KEYTAB_SIZE] = {
118 [ 1 ] = KEY_TV, // DVR
119 [ 21 ] = KEY_DVD, // DVD
120 [ 23 ] = KEY_AUDIO, // music
121 // DVR mode / DVD mode / music mode
123 [ 27 ] = KEY_MUTE, // mute
124 [ 2 ] = KEY_LANGUAGE, // MTS/SAP / audio / autoseek
125 [ 30 ] = KEY_SUBTITLE, // closed captioning / subtitle / seek
126 [ 22 ] = KEY_ZOOM, // full screen
127 [ 28 ] = KEY_VIDEO, // video source / eject / delall
128 [ 29 ] = KEY_RESTART, // playback / angle / del
129 [ 47 ] = KEY_SEARCH, // scan / menu / playlist
130 [ 48 ] = KEY_CHANNEL, // CH surfing / bookmark / memo
132 [ 49 ] = KEY_HELP, // help
133 [ 50 ] = KEY_MODE, // num/memo
134 [ 51 ] = KEY_ESC, // cancel
136 [ 12 ] = KEY_UP, // up
137 [ 16 ] = KEY_DOWN, // down
138 [ 8 ] = KEY_LEFT, // left
139 [ 4 ] = KEY_RIGHT, // right
140 [ 3 ] = KEY_SELECT, // select
142 [ 31 ] = KEY_REWIND, // rewind
143 [ 32 ] = KEY_PLAYPAUSE, // play/pause
144 [ 41 ] = KEY_FORWARD, // forward
145 [ 20 ] = KEY_AGAIN, // repeat
146 [ 43 ] = KEY_RECORD, // recording
147 [ 44 ] = KEY_STOP, // stop
148 [ 45 ] = KEY_PLAY, // play
149 [ 46 ] = KEY_SHUFFLE, // snapshot / shuffle
162 [ 42 ] = KEY_VOLUMEUP,
163 [ 17 ] = KEY_VOLUMEDOWN,
164 [ 24 ] = KEY_CHANNELUP, // CH.tracking up
165 [ 25 ] = KEY_CHANNELDOWN, // CH.tracking down
167 [ 19 ] = KEY_KPENTER, // enter
168 [ 33 ] = KEY_KPDOT, // . (decimal dot)
171 static IR_KEYTAB_TYPE avacssmart_codes[IR_KEYTAB_SIZE] = {
172 [ 30 ] = KEY_POWER, // power
173 [ 28 ] = KEY_SEARCH, // scan
174 [ 7 ] = KEY_SELECT, // source
176 [ 22 ] = KEY_VOLUMEUP,
177 [ 20 ] = KEY_VOLUMEDOWN,
178 [ 31 ] = KEY_CHANNELUP,
179 [ 23 ] = KEY_CHANNELDOWN,
194 [ 3 ] = KEY_TUNER, // tv/fm
195 [ 4 ] = KEY_REWIND, // fm tuning left or function left
196 [ 12 ] = KEY_FORWARD, // fm tuning right or function right
203 [ 14 ] = KEY_MENU, // function
204 [ 19 ] = KEY_AGAIN, // recall
205 [ 29 ] = KEY_RESTART, // reset
206 [ 26 ] = KEY_SHUFFLE, // snapshot/shuffle
209 [ 13 ] = KEY_F21, // mts
210 [ 15 ] = KEY_F22, // min
213 /* Alex Hermann <gaaf@gmx.net> */
214 static IR_KEYTAB_TYPE md2819_codes[IR_KEYTAB_SIZE] = {
226 [ 32 ] = KEY_TV, // TV/FM
227 [ 16 ] = KEY_CD, // CD
228 [ 48 ] = KEY_TEXT, // TELETEXT
229 [ 0 ] = KEY_POWER, // POWER
231 [ 8 ] = KEY_VIDEO, // VIDEO
232 [ 4 ] = KEY_AUDIO, // AUDIO
233 [ 12 ] = KEY_ZOOM, // FULL SCREEN
235 [ 18 ] = KEY_SUBTITLE, // DISPLAY - ???
236 [ 50 ] = KEY_REWIND, // LOOP - ???
237 [ 2 ] = KEY_PRINT, // PREVIEW - ???
239 [ 42 ] = KEY_SEARCH, // AUTOSCAN
240 [ 26 ] = KEY_SLEEP, // FREEZE - ???
241 [ 58 ] = KEY_SHUFFLE, // SNAPSHOT - ???
242 [ 10 ] = KEY_MUTE, // MUTE
244 [ 38 ] = KEY_RECORD, // RECORD
245 [ 22 ] = KEY_PAUSE, // PAUSE
246 [ 54 ] = KEY_STOP, // STOP
247 [ 6 ] = KEY_PLAY, // PLAY
249 [ 46 ] = KEY_RED, // <RED>
250 [ 33 ] = KEY_GREEN, // <GREEN>
251 [ 14 ] = KEY_YELLOW, // <YELLOW>
252 [ 1 ] = KEY_BLUE, // <BLUE>
254 [ 30 ] = KEY_VOLUMEDOWN, // VOLUME-
255 [ 62 ] = KEY_VOLUMEUP, // VOLUME+
256 [ 17 ] = KEY_CHANNELDOWN, // CHANNEL/PAGE-
257 [ 49 ] = KEY_CHANNELUP // CHANNEL/PAGE+
260 static IR_KEYTAB_TYPE videomate_tv_pvr_codes[IR_KEYTAB_SIZE] = {
269 [ 8 ] = KEY_PLAYPAUSE,
270 [ 15 ] = KEY_FORWARD,
272 [ 2 ] = KEY_PREVIOUS,
285 [ 34 ] = KEY_CHANNEL,
287 [ 18 ] = KEY_VOLUMEUP,
288 [ 21 ] = KEY_VOLUMEDOWN,
289 [ 16 ] = KEY_CHANNELUP,
290 [ 19 ] = KEY_CHANNELDOWN,
305 [ 32 ] = KEY_LANGUAGE,
309 /* Michael Tokarev <mjt@tls.msk.ru>
310 http://www.corpit.ru/mjt/beholdTV/remote_control.jpg
311 keytable is used by MANLI MTV00[12] and BeholdTV 40[13] at
312 least, and probably other cards too.
313 The "ascii-art picture" below (in comments, first row
314 is the keycode in hex, and subsequent row(s) shows
315 the button labels (several variants when appropriate)
316 helps to descide which keycodes to assign to the buttons.
318 static IR_KEYTAB_TYPE manli_codes[IR_KEYTAB_SIZE] = {
324 [ 0x1c ] = KEY_RADIO, /*XXX*/
325 [ 0x12 ] = KEY_POWER,
350 [ 0x0a ] = KEY_AGAIN, /*XXX KEY_REWIND? */
352 [ 0x17 ] = KEY_DIGITS, /*XXX*/
369 [ 0x0b ] = KEY_UP, /*XXX KEY_SCROLLUP? */
370 [ 0x18 ] = KEY_LEFT, /*XXX KEY_BACK? */
371 [ 0x16 ] = KEY_OK, /*XXX KEY_SELECT? KEY_ENTER? */
372 [ 0x0c ] = KEY_RIGHT, /*XXX KEY_FORWARD? */
373 [ 0x15 ] = KEY_DOWN, /*XXX KEY_SCROLLDOWN? */
379 [ 0x11 ] = KEY_TV, /*XXX*/
380 [ 0x0d ] = KEY_MODE, /*XXX there's no KEY_STEREO */
389 [ 0x0f ] = KEY_AUDIO,
390 [ 0x1b ] = KEY_VOLUMEUP,
391 [ 0x1a ] = KEY_CHANNELUP,
392 [ 0x0e ] = KEY_SLEEP, /*XXX maybe KEY_PAUSE */
393 [ 0x1f ] = KEY_VOLUMEDOWN,
394 [ 0x1e ] = KEY_CHANNELDOWN,
400 [ 0x19 ] = KEY_RECORD, /*XXX*/
406 /* Mike Baikov <mike@baikov.com> */
407 static IR_KEYTAB_TYPE gotview7135_codes[IR_KEYTAB_SIZE] = {
421 [ 115] = KEY_AGAIN, /* LOOP */
423 [ 97 ] = KEY_PRINT, /* PREVIEW */
425 [ 32 ] = KEY_CHANNELUP,
426 [ 64 ] = KEY_CHANNELDOWN,
427 [ 24 ] = KEY_VOLUMEDOWN,
428 [ 80 ] = KEY_VOLUMEUP,
431 [ 123] = KEY_SHUFFLE, /* SNAPSHOT */
437 [ 25 ] = KEY_FORWARD,
440 [ 82 ] = KEY_F21, /* LIVE TIMESHIFT */
441 [ 26 ] = KEY_F22, /* MIN TIMESHIFT */
442 [ 58 ] = KEY_F23, /* TIMESHIFT */
443 [ 112] = KEY_F24, /* NORMAL TIMESHIFT */
446 /* ---------------------------------------------------------------------- */
448 static int build_key(struct saa7134_dev *dev)
450 struct saa7134_ir *ir = dev->remote;
453 /* rising SAA7134_GPIO_GPRESCAN reads the status */
454 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
455 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
457 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
459 if (ir->last_gpio == gpio)
461 ir->last_gpio = gpio;
464 data = ir_extract_bits(gpio, ir->mask_keycode);
465 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
466 gpio, ir->mask_keycode, data);
468 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
469 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
470 ir_input_keydown(ir->dev, &ir->ir, data, data);
472 ir_input_nokey(ir->dev, &ir->ir);
477 /* ---------------------------------------------------------------------- */
479 void saa7134_input_irq(struct saa7134_dev *dev)
481 struct saa7134_ir *ir = dev->remote;
487 static void saa7134_input_timer(unsigned long data)
489 struct saa7134_dev *dev = (struct saa7134_dev*)data;
490 struct saa7134_ir *ir = dev->remote;
491 unsigned long timeout;
494 timeout = jiffies + (ir->polling * HZ / 1000);
495 mod_timer(&ir->timer, timeout);
498 int saa7134_input_init1(struct saa7134_dev *dev)
500 struct saa7134_ir *ir;
501 struct input_dev *input_dev;
502 IR_KEYTAB_TYPE *ir_codes = NULL;
503 u32 mask_keycode = 0;
504 u32 mask_keydown = 0;
507 int ir_type = IR_TYPE_OTHER;
509 if (!dev->has_remote)
514 /* detect & configure */
515 switch (dev->board) {
516 case SAA7134_BOARD_FLYVIDEO2000:
517 case SAA7134_BOARD_FLYVIDEO3000:
518 case SAA7134_BOARD_FLYTVPLATINUM_FM:
519 ir_codes = flyvideo_codes;
520 mask_keycode = 0xEC00000;
521 mask_keydown = 0x0040000;
523 case SAA7134_BOARD_CINERGY400:
524 case SAA7134_BOARD_CINERGY600:
525 case SAA7134_BOARD_CINERGY600_MK3:
526 ir_codes = cinergy_codes;
527 mask_keycode = 0x00003f;
528 mask_keyup = 0x040000;
530 case SAA7134_BOARD_ECS_TVP3XP:
531 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
532 ir_codes = eztv_codes;
533 mask_keycode = 0x00017c;
534 mask_keyup = 0x000002;
537 case SAA7134_BOARD_KWORLD_XPERT:
538 case SAA7134_BOARD_AVACSSMARTTV:
539 ir_codes = avacssmart_codes;
540 mask_keycode = 0x00001F;
541 mask_keyup = 0x000020;
544 case SAA7134_BOARD_MD2819:
545 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
546 case SAA7134_BOARD_AVERMEDIA_305:
547 case SAA7134_BOARD_AVERMEDIA_307:
548 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
549 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
550 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
551 ir_codes = md2819_codes;
552 mask_keycode = 0x0007C8;
553 mask_keydown = 0x000010;
555 /* Set GPIO pin2 to high to enable the IR controller */
556 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
557 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
559 case SAA7134_BOARD_MANLI_MTV001:
560 case SAA7134_BOARD_MANLI_MTV002:
561 case SAA7134_BOARD_BEHOLD_409FM:
562 ir_codes = manli_codes;
563 mask_keycode = 0x001f00;
564 mask_keyup = 0x004000;
565 mask_keydown = 0x002000;
568 case SAA7134_BOARD_GOTVIEW_7135:
569 ir_codes = gotview7135_codes;
570 mask_keycode = 0x0003EC;
571 mask_keyup = 0x008000;
572 mask_keydown = 0x000010;
575 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
576 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
577 ir_codes = videomate_tv_pvr_codes;
578 mask_keycode = 0x00003F;
579 mask_keyup = 0x400000;
583 if (NULL == ir_codes) {
584 printk("%s: Oops: IR config error [card=%d]\n",
585 dev->name, dev->board);
589 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
590 input_dev = input_allocate_device();
591 if (!ir || !input_dev) {
593 input_free_device(input_dev);
597 /* init hardware-specific stuff */
598 ir->mask_keycode = mask_keycode;
599 ir->mask_keydown = mask_keydown;
600 ir->mask_keyup = mask_keyup;
601 ir->polling = polling;
603 /* init input device */
604 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
605 saa7134_boards[dev->board].name);
606 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
609 ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
610 input_dev->name = ir->name;
611 input_dev->phys = ir->phys;
612 input_dev->id.bustype = BUS_PCI;
613 input_dev->id.version = 1;
614 if (dev->pci->subsystem_vendor) {
615 input_dev->id.vendor = dev->pci->subsystem_vendor;
616 input_dev->id.product = dev->pci->subsystem_device;
618 input_dev->id.vendor = dev->pci->vendor;
619 input_dev->id.product = dev->pci->device;
621 input_dev->cdev.dev = &dev->pci->dev;
626 init_timer(&ir->timer);
627 ir->timer.function = saa7134_input_timer;
628 ir->timer.data = (unsigned long)dev;
629 ir->timer.expires = jiffies + HZ;
630 add_timer(&ir->timer);
633 input_register_device(ir->dev);
637 void saa7134_input_fini(struct saa7134_dev *dev)
639 if (NULL == dev->remote)
642 if (dev->remote->polling)
643 del_timer_sync(&dev->remote->timer);
644 input_unregister_device(dev->remote->dev);
649 /* ----------------------------------------------------------------------