aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/saa7134/saa7134-input.c
blob: 727d437e07df477b1f3bdb845e7d854fff5ebe4c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
/*
 * $Id: saa7134-input.c,v 1.16 2004/12/10 12:33:39 kraxel Exp $
 *
 * handle saa7134 IR remotes via linux kernel input layer.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/input.h>

#include "saa7134-reg.h"
#include "saa7134.h"

static unsigned int disable_ir = 0;
module_param(disable_ir, int, 0444);
MODULE_PARM_DESC(disable_ir,"disable infrared remote support");

static unsigned int ir_debug = 0;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");

#define dprintk(fmt, arg...)	if (ir_debug) \
	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)

/* ---------------------------------------------------------------------- */

static IR_KEYTAB_TYPE flyvideo_codes[IR_KEYTAB_SIZE] = {
	[   15 ] = KEY_KP0,
	[    3 ] = KEY_KP1,
	[    4 ] = KEY_KP2,
	[    5 ] = KEY_KP3,
	[    7 ] = KEY_KP4,
	[    8 ] = KEY_KP5,
	[    9 ] = KEY_KP6,
	[   11 ] = KEY_KP7,
	[   12 ] = KEY_KP8,
	[   13 ] = KEY_KP9,

	[   14 ] = KEY_TUNER,        // Air/Cable
	[   17 ] = KEY_VIDEO,        // Video
	[   21 ] = KEY_AUDIO,        // Audio
	[    0 ] = KEY_POWER,        // Pover
	[    2 ] = KEY_ZOOM,         // Fullscreen
	[   27 ] = KEY_MUTE,         // Mute
	[   20 ] = KEY_VOLUMEUP,
	[   23 ] = KEY_VOLUMEDOWN,
	[   18 ] = KEY_CHANNELUP,    // Channel +
	[   19 ] = KEY_CHANNELDOWN,  // Channel -
	[    6 ] = KEY_AGAIN,        // Recal
	[   16 ] = KEY_KPENTER,      // Enter

#if 1 /* FIXME */
	[   26 ] = KEY_F22,          // Stereo
	[   24 ] = KEY_EDIT,         // AV Source
#endif
};

static IR_KEYTAB_TYPE cinergy_codes[IR_KEYTAB_SIZE] = {
	[    0 ] = KEY_KP0,
	[    1 ] = KEY_KP1,
	[    2 ] = KEY_KP2,
	[    3 ] = KEY_KP3,
	[    4 ] = KEY_KP4,
	[    5 ] = KEY_KP5,
	[    6 ] = KEY_KP6,
	[    7 ] = KEY_KP7,
	[    8 ] = KEY_KP8,
	[    9 ] = KEY_KP9,

	[ 0x0a ] = KEY_POWER,
	[ 0x0b ] = KEY_PROG1,           // app
	[ 0x0c ] = KEY_ZOOM,            // zoom/fullscreen
	[ 0x0d ] = KEY_CHANNELUP,       // channel
	[ 0x0e ] = KEY_CHANNELDOWN,     // channel-
	[ 0x0f ] = KEY_VOLUMEUP,
	[ 0x10 ] = KEY_VOLUMEDOWN,
	[ 0x11 ] = KEY_TUNER,           // AV
	[ 0x12 ] = KEY_NUMLOCK,         // -/--
	[ 0x13 ] = KEY_AUDIO,           // audio
	[ 0x14 ] = KEY_MUTE,
	[ 0x15 ] = KEY_UP,
	[ 0x16 ] = KEY_DOWN,
	[ 0x17 ] = KEY_LEFT,
	[ 0x18 ] = KEY_RIGHT,
	[ 0x19 ] = BTN_LEFT,
	[ 0x1a ] = BTN_RIGHT,
	[ 0x1b ] = KEY_WWW,             // text
	[ 0x1c ] = KEY_REWIND,
	[ 0x1d ] = KEY_FORWARD,
	[ 0x1e ] = KEY_RECORD,
	[ 0x1f ] = KEY_PLAY,
	[ 0x20 ] = KEY_PREVIOUSSONG,
	[ 0x21 ] = KEY_NEXTSONG,
	[ 0x22 ] = KEY_PAUSE,
	[ 0x23 ] = KEY_STOP,
};

/* Alfons Geser <a.geser@cox.net>
 * updates from Job D. R. Borges <jobdrb@ig.com.br> */
static IR_KEYTAB_TYPE eztv_codes[IR_KEYTAB_SIZE] = {
        [ 18 ] = KEY_POWER,
        [  1 ] = KEY_TV,             // DVR
        [ 21 ] = KEY_DVD,            // DVD
        [ 23 ] = KEY_AUDIO,          // music
                                     // DVR mode / DVD mode / music mode

        [ 27 ] = KEY_MUTE,           // mute
        [  2 ] = KEY_LANGUAGE,       // MTS/SAP / audio / autoseek
        [ 30 ] = KEY_SUBTITLE,       // closed captioning / subtitle / seek
        [ 22 ] = KEY_ZOOM,           // full screen
        [ 28 ] = KEY_VIDEO,          // video source / eject / delall
        [ 29 ] = KEY_RESTART,        // playback / angle / del
        [ 47 ] = KEY_SEARCH,         // scan / menu / playlist
        [ 48 ] = KEY_CHANNEL,        // CH surfing / bookmark / memo

        [ 49 ] = KEY_HELP,           // help
        [ 50 ] = KEY_MODE,           // num/memo
        [ 51 ] = KEY_ESC,            // cancel

	[ 12 ] = KEY_UP,             // up
	[ 16 ] = KEY_DOWN,           // down
	[  8 ] = KEY_LEFT,           // left
	[  4 ] = KEY_RIGHT,          // right
	[  3 ] = KEY_SELECT,         // select

	[ 31 ] = KEY_REWIND,         // rewind
	[ 32 ] = KEY_PLAYPAUSE,      // play/pause
	[ 41 ] = KEY_FORWARD,        // forward
	[ 20 ] = KEY_AGAIN,          // repeat
	[ 43 ] = KEY_RECORD,         // recording
	[ 44 ] = KEY_STOP,           // stop
	[ 45 ] = KEY_PLAY,           // play
	[ 46 ] = KEY_SHUFFLE,        // snapshot / shuffle

        [  0 ] = KEY_KP0,
        [  5 ] = KEY_KP1,
        [  6 ] = KEY_KP2,
        [  7 ] = KEY_KP3,
        [  9 ] = KEY_KP4,
        [ 10 ] = KEY_KP5,
        [ 11 ] = KEY_KP6,
        [ 13 ] = KEY_KP7,
        [ 14 ] = KEY_KP8,
        [ 15 ] = KEY_KP9,

        [ 42 ] = KEY_VOLUMEUP,
        [ 17 ] = KEY_VOLUMEDOWN,
        [ 24 ] = KEY_CHANNELUP,      // CH.tracking up
        [ 25 ] = KEY_CHANNELDOWN,    // CH.tracking down

        [ 19 ] = KEY_KPENTER,        // enter
        [ 33 ] = KEY_KPDOT,          // . (decimal dot)
};

static IR_KEYTAB_TYPE avacssmart_codes[IR_KEYTAB_SIZE] = {
        [ 30 ] = KEY_POWER,		// power
	[ 28 ] = KEY_SEARCH,		// scan
        [  7 ] = KEY_SELECT,		// source

	[ 22 ] = KEY_VOLUMEUP,
	[ 20 ] = KEY_VOLUMEDOWN,
        [ 31 ] = KEY_CHANNELUP,
	[ 23 ] = KEY_CHANNELDOWN,
	[ 24 ] = KEY_MUTE,

	[  2 ] = KEY_KP0,
        [  1 ] = KEY_KP1,
        [ 11 ] = KEY_KP2,
        [ 27 ] = KEY_KP3,
        [  5 ] = KEY_KP4,
        [  9 ] = KEY_KP5,
        [ 21 ] = KEY_KP6,
	[  6 ] = KEY_KP7,
        [ 10 ] = KEY_KP8,
	[ 18 ] = KEY_KP9,
	[ 16 ] = KEY_KPDOT,

	[  3 ] = KEY_TUNER,		// tv/fm
        [  4 ] = KEY_REWIND,		// fm tuning left or function left
        [ 12 ] = KEY_FORWARD,		// fm tuning right or function right

	[  0 ] = KEY_RECORD,
        [  8 ] = KEY_STOP,
        [ 17 ] = KEY_PLAY,

	[ 25 ] = KEY_ZOOM,
	[ 14 ] = KEY_MENU,		// function
	[ 19 ] = KEY_AGAIN,		// recall
	[ 29 ] = KEY_RESTART,		// reset

// FIXME
	[ 13 ] = KEY_F21,		// mts
        [ 15 ] = KEY_F22,		// min
	[ 26 ] = KEY_F23,		// freeze
};

/* Alex Hermann <gaaf@gmx.net> */
static IR_KEYTAB_TYPE md2819_codes[IR_KEYTAB_SIZE] = {
	[ 40 ] = KEY_KP1,
	[ 24 ] = KEY_KP2,
	[ 56 ] = KEY_KP3,
	[ 36 ] = KEY_KP4,
	[ 20 ] = KEY_KP5,
	[ 52 ] = KEY_KP6,
	[ 44 ] = KEY_KP7,
	[ 28 ] = KEY_KP8,
	[ 60 ] = KEY_KP9,
	[ 34 ] = KEY_KP0,

	[ 32 ] = KEY_TV,		// TV/FM
	[ 16 ] = KEY_CD,		// CD
	[ 48 ] = KEY_TEXT,		// TELETEXT
	[  0 ] = KEY_POWER,		// POWER

	[  8 ] = KEY_VIDEO,		// VIDEO
	[  4 ] = KEY_AUDIO,		// AUDIO
	[ 12 ] = KEY_ZOOM,		// FULL SCREEN

	[ 18 ] = KEY_SUBTITLE,		// DISPLAY	- ???
	[ 50 ] = KEY_REWIND,		// LOOP		- ???
	[  2 ] = KEY_PRINT,		// PREVIEW	- ???

	[ 42 ] = KEY_SEARCH,		// AUTOSCAN
	[ 26 ] = KEY_SLEEP,		// FREEZE	- ???
	[ 58 ] = KEY_SHUFFLE,		// SNAPSHOT	- ???
	[ 10 ] = KEY_MUTE,		// MUTE

	[ 38 ] = KEY_RECORD,		// RECORD
	[ 22 ] = KEY_PAUSE,		// PAUSE
	[ 54 ] = KEY_STOP,		// STOP
	[  6 ] = KEY_PLAY,		// PLAY

	[ 46 ] = KEY_RED,		// <RED>
	[ 33 ] = KEY_GREEN,		// <GREEN>
	[ 14 ] = KEY_YELLOW,		// <YELLOW>
	[  1 ] = KEY_BLUE,		// <BLUE>

	[ 30 ] = KEY_VOLUMEDOWN,	// VOLUME-
	[ 62 ] = KEY_VOLUMEUP,		// VOLUME+
	[ 17 ] = KEY_CHANNELDOWN,	// CHANNEL/PAGE-
	[ 49 ] = KEY_CHANNELUP		// CHANNEL/PAGE+
};

static IR_KEYTAB_TYPE videomate_tv_pvr_codes[IR_KEYTAB_SIZE] = {
	[ 20 ] = KEY_MUTE,
	[ 36 ] = KEY_ZOOM,

	[  1 ] = KEY_DVD,
	[ 35 ] = KEY_RADIO,
	[  0 ] = KEY_TV,

	[ 10 ] = KEY_REWIND,
	[  8 ] = KEY_PLAYPAUSE,
	[ 15 ] = KEY_FORWARD,

	[  2 ] = KEY_PREVIOUS,
	[  7 ] = KEY_STOP,
	[  6 ] = KEY_NEXT,

	[ 12 ] = KEY_UP,
	[ 14 ] = KEY_DOWN,
	[ 11 ] = KEY_LEFT,
	[ 13 ] = KEY_RIGHT,
	[ 17 ] = KEY_OK,

	[  3 ] = KEY_MENU,
	[  9 ] = KEY_SETUP,
	[  5 ] = KEY_VIDEO,
	[ 34 ] = KEY_CHANNEL,

	[ 18 ] = KEY_VOLUMEUP,
	[ 21 ] = KEY_VOLUMEDOWN,
	[ 16 ] = KEY_CHANNELUP,
	[ 19 ] = KEY_CHANNELDOWN,

	[  4 ] = KEY_RECORD,

	[ 22 ] = KEY_KP1,
	[ 23 ] = KEY_KP2,
	[ 24 ] = KEY_KP3,
	[ 25 ] = KEY_KP4,
	[ 26 ] = KEY_KP5,
	[ 27 ] = KEY_KP6,
	[ 28 ] = KEY_KP7,
	[ 29 ] = KEY_KP8,
	[ 30 ] = KEY_KP9,
	[ 31 ] = KEY_KP0,

	[ 32 ] = KEY_LANGUAGE,
	[ 33 ] = KEY_SLEEP,
};
/* ---------------------------------------------------------------------- */

static int build_key(struct saa7134_dev *dev)
{
	struct saa7134_ir *ir = dev->remote;
	u32 gpio, data;

	/* rising SAA7134_GPIO_GPRESCAN reads the status */
	saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
	saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);

	gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
        if (ir->polling) {
                if (ir->last_gpio == gpio)
                        return 0;
                ir->last_gpio = gpio;
        }

 	data = ir_extract_bits(gpio, ir->mask_keycode);
	dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
		gpio, ir->mask_keycode, data);

	if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
	    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
		ir_input_keydown(&ir->dev,&ir->ir,data,data);
	} else {
		ir_input_nokey(&ir->dev,&ir->ir);
	}
	return 0;
}

/* ---------------------------------------------------------------------- */

void saa7134_input_irq(struct saa7134_dev *dev)
{
        struct saa7134_ir *ir = dev->remote;

        if (!ir->polling)
		build_key(dev);
}

static void saa7134_input_timer(unsigned long data)
{
	struct saa7134_dev *dev = (struct saa7134_dev*)data;
	struct saa7134_ir *ir = dev->remote;
	unsigned long timeout;

	build_key(dev);
	timeout = jiffies + (ir->polling * HZ / 1000);
	mod_timer(&ir->timer, timeout);
}

int saa7134_input_init1(struct saa7134_dev *dev)
{
	struct saa7134_ir *ir;
	IR_KEYTAB_TYPE *ir_codes = NULL;
	u32 mask_keycode = 0;
	u32 mask_keydown = 0;
	u32 mask_keyup   = 0;
	int polling      = 0;
	int ir_type      = IR_TYPE_OTHER;

	if (!dev->has_remote)
		return -ENODEV;
	if (disable_ir)
		return -ENODEV;

	/* detect & configure */
	switch (dev->board) {
	case SAA7134_BOARD_FLYVIDEO2000:
	case SAA7134_BOARD_FLYVIDEO3000:
		ir_codes     = flyvideo_codes;
		mask_keycode = 0xEC00000;
		mask_keydown = 0x0040000;
		break;
	case SAA7134_BOARD_CINERGY400:
	case SAA7134_BOARD_CINERGY600:
	case SAA7134_BOARD_CINERGY600_MK3:
		ir_codes     = cinergy_codes;
		mask_keycode = 0x00003f;
		mask_keyup   = 0x040000;
		break;
	case SAA7134_BOARD_ECS_TVP3XP:
	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
                ir_codes     = eztv_codes;
                mask_keycode = 0x00017c;
                mask_keyup   = 0x000002;
		polling      = 50; // ms
                break;
	case SAA7134_BOARD_AVACSSMARTTV:
	        ir_codes     = avacssmart_codes;
		mask_keycode = 0x00001F;
		mask_keyup   = 0x000020;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_MD2819:
	case SAA7134_BOARD_AVERMEDIA_305:
	case SAA7134_BOARD_AVERMEDIA_307:
		ir_codes     = md2819_codes;
		mask_keycode = 0x0007C8;
		mask_keydown = 0x000010;
		polling      = 50; // ms
		/* Set GPIO pin2 to high to enable the IR controller */
		saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
		saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
		break;
	case SAA7134_BOARD_VIDEOMATE_TV_PVR:
		ir_codes     = videomate_tv_pvr_codes;
		mask_keycode = 0x00003F;
		mask_keyup   = 0x400000;
		polling      = 50; // ms
		break;
	}
	if (NULL == ir_codes) {
		printk("%s: Oops: IR config error [card=%d]\n",
		       dev->name, dev->board);
		return -ENODEV;
	}

	ir = kmalloc(sizeof(*ir),GFP_KERNEL);
	if (NULL == ir)
		return -ENOMEM;
	memset(ir,0,sizeof(*ir));

	/* init hardware-specific stuff */
	ir->mask_keycode = mask_keycode;
	ir->mask_keydown = mask_keydown;
	ir->mask_keyup   = mask_keyup;
        ir->polling      = polling;

	/* init input device */
	snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
		 saa7134_boards[dev->board].name);
	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
		 pci_name(dev->pci));

	ir_input_init(&ir->dev, &ir->ir, ir_type, ir_codes);
	ir->dev.name = ir->name;
	ir->dev.phys = ir->phys;
	ir->dev.id.bustype = BUS_PCI;
	ir->dev.id.version = 1;
	if (dev->pci->subsystem_vendor) {
		ir->dev.id.vendor  = dev->pci->subsystem_vendor;
		ir->dev.id.product = dev->pci->subsystem_device;
	} else {
		ir->dev.id.vendor  = dev->pci->vendor;
		ir->dev.id.product = dev->pci->device;
	}

	/* all done */
	dev->remote = ir;
	if (ir->polling) {
		init_timer(&ir->timer);
		ir->timer.function = saa7134_input_timer;
		ir->timer.data     = (unsigned long)dev;
		ir->timer.expires  = jiffies + HZ;
		add_timer(&ir->timer);
	}

	input_register_device(&dev->remote->dev);
	printk("%s: registered input device for IR\n",dev->name);
	return 0;
}

void saa7134_input_fini(struct saa7134_dev *dev)
{
	if (NULL == dev->remote)
		return;

	input_unregister_device(&dev->remote->dev);
	if (dev->remote->polling)
		del_timer_sync(&dev->remote->timer);
	kfree(dev->remote);
	dev->remote = NULL;
}

/* ----------------------------------------------------------------------
 * Local variables:
 * c-basic-offset: 8
 * End:
 */