2 * $Id: saa7134-input.c,v 1.12 2004/11/07 13:17:15 kraxel Exp $
4 * handle saa7134 IR remotes via linux kernel input layer.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/module.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
71 [ 26 ] = KEY_F22, // Stereo
72 [ 24 ] = KEY_EDIT, // AV Source
76 static IR_KEYTAB_TYPE cinergy_codes[IR_KEYTAB_SIZE] = {
89 [ 0x0b ] = KEY_PROG1, // app
90 [ 0x0c ] = KEY_ZOOM, // zoom/fullscreen
91 [ 0x0d ] = KEY_CHANNELUP, // channel
92 [ 0x0e ] = KEY_CHANNELDOWN, // channel-
93 [ 0x0f ] = KEY_VOLUMEUP,
94 [ 0x10 ] = KEY_VOLUMEDOWN,
95 [ 0x11 ] = KEY_TUNER, // AV
96 [ 0x12 ] = KEY_NUMLOCK, // -/--
97 [ 0x13 ] = KEY_AUDIO, // audio
102 [ 0x18 ] = KEY_RIGHT,
104 [ 0x1a ] = BTN_RIGHT,
105 [ 0x1b ] = KEY_WWW, // text
106 [ 0x1c ] = KEY_REWIND,
107 [ 0x1d ] = KEY_FORWARD,
108 [ 0x1e ] = KEY_RECORD,
110 [ 0x20 ] = KEY_PREVIOUSSONG,
111 [ 0x21 ] = KEY_NEXTSONG,
112 [ 0x22 ] = KEY_PAUSE,
116 /* Alfons Geser <a.geser@cox.net>
117 * updates from Job D. R. Borges <jobdrb@ig.com.br> */
118 static IR_KEYTAB_TYPE eztv_codes[IR_KEYTAB_SIZE] = {
120 [ 1 ] = KEY_TV, // DVR
121 [ 21 ] = KEY_DVD, // DVD
122 [ 23 ] = KEY_AUDIO, // music
123 // DVR mode / DVD mode / music mode
125 [ 27 ] = KEY_MUTE, // mute
126 [ 2 ] = KEY_LANGUAGE, // MTS/SAP / audio / autoseek
127 [ 30 ] = KEY_SUBTITLE, // closed captioning / subtitle / seek
128 [ 22 ] = KEY_ZOOM, // full screen
129 [ 28 ] = KEY_VIDEO, // video source / eject / delall
130 [ 29 ] = KEY_RESTART, // playback / angle / del
131 [ 47 ] = KEY_SEARCH, // scan / menu / playlist
132 [ 48 ] = KEY_CHANNEL, // CH surfing / bookmark / memo
134 [ 49 ] = KEY_HELP, // help
135 [ 50 ] = KEY_MODE, // num/memo
136 [ 51 ] = KEY_ESC, // cancel
138 [ 12 ] = KEY_UP, // up
139 [ 16 ] = KEY_DOWN, // down
140 [ 8 ] = KEY_LEFT, // left
141 [ 4 ] = KEY_RIGHT, // right
142 [ 3 ] = KEY_SELECT, // select
144 [ 31 ] = KEY_REWIND, // rewind
145 [ 32 ] = KEY_PLAYPAUSE, // play/pause
146 [ 41 ] = KEY_FORWARD, // forward
147 [ 20 ] = KEY_AGAIN, // repeat
148 [ 43 ] = KEY_RECORD, // recording
149 [ 44 ] = KEY_STOP, // stop
150 [ 45 ] = KEY_PLAY, // play
151 [ 46 ] = KEY_SHUFFLE, // snapshot / shuffle
164 [ 42 ] = KEY_VOLUMEUP,
165 [ 17 ] = KEY_VOLUMEDOWN,
166 [ 24 ] = KEY_CHANNELUP, // CH.tracking up
167 [ 25 ] = KEY_CHANNELDOWN, // CH.tracking down
169 [ 19 ] = KEY_KPENTER, // enter
170 [ 33 ] = KEY_KPDOT, // . (decimal dot)
173 static IR_KEYTAB_TYPE avacssmart_codes[IR_KEYTAB_SIZE] = {
174 [ 30 ] = KEY_POWER, // power
175 [ 28 ] = KEY_SEARCH, // scan
176 [ 7 ] = KEY_SELECT, // source
178 [ 22 ] = KEY_VOLUMEUP,
179 [ 20 ] = KEY_VOLUMEDOWN,
180 [ 31 ] = KEY_CHANNELUP,
181 [ 23 ] = KEY_CHANNELDOWN,
196 [ 3 ] = KEY_TUNER, // tv/fm
197 [ 4 ] = KEY_REWIND, // fm tuning left or function left
198 [ 12 ] = KEY_FORWARD, // fm tuning right or function right
205 [ 14 ] = KEY_MENU, // function
206 [ 19 ] = KEY_AGAIN, // recall
207 [ 29 ] = KEY_RESTART, // reset
210 [ 13 ] = KEY_F21, // mts
211 [ 15 ] = KEY_F22, // min
212 [ 26 ] = KEY_F23, // freeze
215 /* Alex Hermann <gaaf@gmx.net> */
216 static IR_KEYTAB_TYPE md2819_codes[IR_KEYTAB_SIZE] = {
228 [ 32 ] = KEY_TV, // TV/FM
229 [ 16 ] = KEY_CD, // CD
230 [ 48 ] = KEY_TEXT, // TELETEXT
231 [ 0 ] = KEY_POWER, // POWER
233 [ 8 ] = KEY_VIDEO, // VIDEO
234 [ 4 ] = KEY_AUDIO, // AUDIO
235 [ 12 ] = KEY_ZOOM, // FULL SCREEN
237 [ 18 ] = KEY_SUBTITLE, // DISPLAY - ???
238 [ 50 ] = KEY_REWIND, // LOOP - ???
239 [ 2 ] = KEY_PRINT, // PREVIEW - ???
241 [ 42 ] = KEY_SEARCH, // AUTOSCAN
242 [ 26 ] = KEY_SLEEP, // FREEZE - ???
243 [ 58 ] = KEY_SHUFFLE, // SNAPSHOT - ???
244 [ 10 ] = KEY_MUTE, // MUTE
246 [ 38 ] = KEY_RECORD, // RECORD
247 [ 22 ] = KEY_PAUSE, // PAUSE
248 [ 54 ] = KEY_STOP, // STOP
249 [ 6 ] = KEY_PLAY, // PLAY
251 [ 46 ] = KEY_RED, // <RED>
252 [ 33 ] = KEY_GREEN, // <GREEN>
253 [ 14 ] = KEY_YELLOW, // <YELLOW>
254 [ 1 ] = KEY_BLUE, // <BLUE>
256 [ 30 ] = KEY_VOLUMEDOWN, // VOLUME-
257 [ 62 ] = KEY_VOLUMEUP, // VOLUME+
258 [ 17 ] = KEY_CHANNELDOWN, // CHANNEL/PAGE-
259 [ 49 ] = KEY_CHANNELUP // CHANNEL/PAGE+
261 /* ---------------------------------------------------------------------- */
263 static int build_key(struct saa7134_dev *dev)
265 struct saa7134_ir *ir = dev->remote;
268 /* rising SAA7134_GPIO_GPRESCAN reads the status */
269 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
270 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
272 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
274 if (ir->last_gpio == gpio)
276 ir->last_gpio = gpio;
279 data = ir_extract_bits(gpio, ir->mask_keycode);
280 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
281 gpio, ir->mask_keycode, data);
283 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
284 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
285 ir_input_keydown(&ir->dev,&ir->ir,data,data);
287 ir_input_nokey(&ir->dev,&ir->ir);
292 /* ---------------------------------------------------------------------- */
294 void saa7134_input_irq(struct saa7134_dev *dev)
296 struct saa7134_ir *ir = dev->remote;
302 static void saa7134_input_timer(unsigned long data)
304 struct saa7134_dev *dev = (struct saa7134_dev*)data;
305 struct saa7134_ir *ir = dev->remote;
306 unsigned long timeout;
309 timeout = jiffies + (ir->polling * HZ / 1000);
310 mod_timer(&ir->timer, timeout);
313 int saa7134_input_init1(struct saa7134_dev *dev)
315 struct saa7134_ir *ir;
316 IR_KEYTAB_TYPE *ir_codes = NULL;
317 u32 mask_keycode = 0;
318 u32 mask_keydown = 0;
321 int ir_type = IR_TYPE_OTHER;
323 if (!dev->has_remote)
328 /* detect & configure */
329 switch (dev->board) {
330 case SAA7134_BOARD_FLYVIDEO2000:
331 case SAA7134_BOARD_FLYVIDEO3000:
332 ir_codes = flyvideo_codes;
333 mask_keycode = 0xEC00000;
334 mask_keydown = 0x0040000;
336 case SAA7134_BOARD_CINERGY400:
337 case SAA7134_BOARD_CINERGY600:
338 ir_codes = cinergy_codes;
339 mask_keycode = 0x00003f;
340 mask_keyup = 0x040000;
342 case SAA7134_BOARD_ECS_TVP3XP:
343 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
344 ir_codes = eztv_codes;
345 mask_keycode = 0x00017c;
346 mask_keyup = 0x000002;
349 case SAA7134_BOARD_AVACSSMARTTV:
350 ir_codes = avacssmart_codes;
351 mask_keycode = 0x00001F;
352 mask_keyup = 0x000020;
355 case SAA7134_BOARD_MD2819:
356 case SAA7134_BOARD_AVERMEDIA_307:
357 ir_codes = md2819_codes;
358 mask_keycode = 0x0007C8;
359 mask_keydown = 0x000010;
361 /* Set GPIO pin2 to high to enable the IR controller */
362 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
363 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
366 if (NULL == ir_codes) {
367 printk("%s: Oops: IR config error [card=%d]\n",
368 dev->name, dev->board);
372 ir = kmalloc(sizeof(*ir),GFP_KERNEL);
375 memset(ir,0,sizeof(*ir));
377 /* init hardware-specific stuff */
378 ir->mask_keycode = mask_keycode;
379 ir->mask_keydown = mask_keydown;
380 ir->mask_keyup = mask_keyup;
381 ir->polling = polling;
383 /* init input device */
384 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
385 saa7134_boards[dev->board].name);
386 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
389 ir_input_init(&ir->dev, &ir->ir, ir_type, ir_codes);
390 ir->dev.name = ir->name;
391 ir->dev.phys = ir->phys;
392 ir->dev.id.bustype = BUS_PCI;
393 ir->dev.id.version = 1;
394 if (dev->pci->subsystem_vendor) {
395 ir->dev.id.vendor = dev->pci->subsystem_vendor;
396 ir->dev.id.product = dev->pci->subsystem_device;
398 ir->dev.id.vendor = dev->pci->vendor;
399 ir->dev.id.product = dev->pci->device;
405 init_timer(&ir->timer);
406 ir->timer.function = saa7134_input_timer;
407 ir->timer.data = (unsigned long)dev;
408 ir->timer.expires = jiffies + HZ;
409 add_timer(&ir->timer);
412 input_register_device(&dev->remote->dev);
413 printk("%s: registered input device for IR\n",dev->name);
417 void saa7134_input_fini(struct saa7134_dev *dev)
419 if (NULL == dev->remote)
422 input_unregister_device(&dev->remote->dev);
423 if (dev->remote->polling)
424 del_timer_sync(&dev->remote->timer);
429 /* ----------------------------------------------------------------------