aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/ttpci/av7110_v4l.c
blob: 62c905a2d17c18c535134f641f6cc018f340f2fd (plain) (blame)
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
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
/*
 * av7110_v4l.c: av7110 video4linux interface for DVB and Siemens DVB-C analog module
 *
 * Copyright (C) 1999-2002 Ralph  Metzler
 *                       & Marcus Metzler for convergence integrated media GmbH
 *
 * originally based on code by:
 * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
 *
 * 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.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 *
 * the project's page is at http://www.linuxtv.org/dvb/
 */

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/timer.h>
#include <linux/poll.h>
#include <linux/byteorder/swabb.h>
#include <linux/smp_lock.h>

#include "av7110.h"
#include "av7110_hw.h"
#include "av7110_av.h"

int msp_writereg(struct av7110 *av7110, u8 dev, u16 reg, u16 val)
{
	u8 msg[5] = { dev, reg >> 8, reg & 0xff, val >> 8 , val & 0xff };
	struct i2c_msg msgs = { .flags = 0, .addr = 0x40, .len = 5, .buf = msg };

	if (i2c_transfer(&av7110->i2c_adap, &msgs, 1) != 1) {
		dprintk(1, "dvb-ttpci: failed @ card %d, %u = %u\n",
		       av7110->dvb_adapter->num, reg, val);
		return -EIO;
	}
	return 0;
}

static int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
{
	u8 msg1[3] = { dev, reg >> 8, reg & 0xff };
	u8 msg2[2];
	struct i2c_msg msgs[2] = {
		{ .flags = 0,	     .addr = 0x40, .len = 3, .buf = msg1 },
		{ .flags = I2C_M_RD, .addr = 0x40, .len = 2, .buf = msg2 }
	};

	if (i2c_transfer(&av7110->i2c_adap, &msgs[0], 2) != 2) {
		dprintk(1, "dvb-ttpci: failed @ card %d, %u\n",
		       av7110->dvb_adapter->num, reg);
		return -EIO;
	}
	*val = (msg2[0] << 8) | msg2[1];
	return 0;
}

static struct v4l2_input inputs[2] = {
	{
		.index		= 0,
		.name		= "DVB",
		.type		= V4L2_INPUT_TYPE_CAMERA,
		.audioset	= 1,
		.tuner		= 0, /* ignored */
		.std		= V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
		.status		= 0,
	}, {
		.index		= 1,
		.name		= "Television",
		.type		= V4L2_INPUT_TYPE_TUNER,
		.audioset	= 2,
		.tuner		= 0,
		.std		= V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
		.status		= 0,
	}
};

static int ves1820_writereg(struct saa7146_dev *dev, u8 addr, u8 reg, u8 data)
{
	u8 buf[] = { 0x00, reg, data };
	struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = 3 };

	dprintk(4, "dev: %p\n", dev);

	if (1 != saa7146_i2c_transfer(dev, &msg, 1, 1))
		return -1;
	return 0;
}

static int stv0297_writereg(struct saa7146_dev *dev, u8 addr, u8 reg, u8 data)
{
        u8 buf [] = { reg, data };
        struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = 2 };

	if (1 != saa7146_i2c_transfer(dev, &msg, 1, 1))
		return -1;
	return 0;
}


static int tuner_write(struct saa7146_dev *dev, u8 addr, u8 data [4])
{
	struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = data, .len = 4 };

	dprintk(4, "dev: %p\n", dev);

	if (1 != saa7146_i2c_transfer(dev, &msg, 1, 1))
		return -1;
	return 0;
}

static int ves1820_set_tv_freq(struct saa7146_dev *dev, u32 freq)
{
	u32 div;
	u8 config;
	u8 buf[4];

	dprintk(4, "freq: 0x%08x\n", freq);

	/* magic number: 614. tuning with the frequency given by v4l2
	   is always off by 614*62.5 = 38375 kHz...*/
	div = freq + 614;

	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = 0x8e;

	if (freq < (u32) (16 * 168.25))
		config = 0xa0;
	else if (freq < (u32) (16 * 447.25))
		config = 0x90;
	else
		config = 0x30;
	config &= ~0x02;

	buf[3] = config;

	return tuner_write(dev, 0x61, buf);
}

static int stv0297_set_tv_freq(struct saa7146_dev *dev, u32 freq)
{
	u32 div;
	u8 data[4];

	div = (freq + 38900000 + 31250) / 62500;

	data[0] = (div >> 8) & 0x7f;
	data[1] = div & 0xff;
	data[2] = 0xce;

	if (freq < 45000000)
		return -EINVAL;
	else if (freq < 137000000)
		data[3] = 0x01;
	else if (freq < 403000000)
		data[3] = 0x02;
	else if (freq < 860000000)
		data[3] = 0x04;
	else
		return -EINVAL;

	stv0297_writereg(dev, 0x1C, 0x87, 0x78);
	stv0297_writereg(dev, 0x1C, 0x86, 0xc8);
	return tuner_write(dev, 0x63, data);
}



static struct saa7146_standard analog_standard[];
static struct saa7146_standard dvb_standard[];
static struct saa7146_standard standard[];

static struct v4l2_audio msp3400_v4l2_audio = {
	.index = 0,
	.name = "Television",
	.capability = V4L2_AUDCAP_STEREO
};

static int av7110_dvb_c_switch(struct saa7146_fh *fh)
{
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	struct av7110 *av7110 = (struct av7110*)dev->ext_priv;
	u16 adswitch;
	int source, sync, err;

	dprintk(4, "%p\n", av7110);

	if ((vv->video_status & STATUS_OVERLAY) != 0) {
		vv->ov_suspend = vv->video_fh;
		err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
		if (err != 0) {
			dprintk(2, "suspending video failed\n");
			vv->ov_suspend = NULL;
		}
	}

	if (0 != av7110->current_input) {
		adswitch = 1;
		source = SAA7146_HPS_SOURCE_PORT_B;
		sync = SAA7146_HPS_SYNC_PORT_B;
		memcpy(standard, analog_standard, sizeof(struct saa7146_standard) * 2);
		dprintk(1, "switching to analog TV\n");
		msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0000); // loudspeaker source
		msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0000); // headphone source
		msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0000); // SCART 1 source
		msp_writereg(av7110, MSP_WR_DSP, 0x000e, 0x3000); // FM matrix, mono
		msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x4f00); // loudspeaker + headphone
		msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x4f00); // SCART 1 volume

		if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
			if (ves1820_writereg(dev, 0x09, 0x0f, 0x60))
				dprintk(1, "setting band in demodulator failed.\n");
		} else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
			saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI); // TDA9198 pin9(STD)
			saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); // TDA9198 pin30(VIF)
		}
	} else {
		adswitch = 0;
		source = SAA7146_HPS_SOURCE_PORT_A;
		sync = SAA7146_HPS_SYNC_PORT_A;
		memcpy(standard, dvb_standard, sizeof(struct saa7146_standard) * 2);
		dprintk(1, "switching DVB mode\n");
		msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); // loudspeaker source
		msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0220); // headphone source
		msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0220); // SCART 1 source
		msp_writereg(av7110, MSP_WR_DSP, 0x000e, 0x3000); // FM matrix, mono
		msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
		msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x7f00); // SCART 1 volume

		if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
			if (ves1820_writereg(dev, 0x09, 0x0f, 0x20))
				dprintk(1, "setting band in demodulator failed.\n");
		} else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
			saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTLO); // TDA9198 pin9(STD)
			saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); // TDA9198 pin30(VIF)
		}
	}

	/* hmm, this does not do anything!? */
	if (av7110_fw_cmd(av7110, COMTYPE_AUDIODAC, ADSwitch, 1, adswitch))
		dprintk(1, "ADSwitch error\n");

	saa7146_set_hps_source_and_sync(dev, source, sync);

	if (vv->ov_suspend != NULL) {
		saa7146_start_preview(vv->ov_suspend);
		vv->ov_suspend = NULL;
	}

	return 0;
}

static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
{
	struct saa7146_dev *dev = fh->dev;
	struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
	dprintk(4, "saa7146_dev: %p\n", dev);

	switch (cmd) {
	case VIDIOC_G_TUNER:
	{
		struct v4l2_tuner *t = arg;
		u16 stereo_det;
		s8 stereo;

		dprintk(2, "VIDIOC_G_TUNER: %d\n", t->index);

		if (!av7110->analog_tuner_flags || t->index != 0)
			return -EINVAL;

		memset(t, 0, sizeof(*t));
		strcpy(t->name, "Television");

		t->type = V4L2_TUNER_ANALOG_TV;
		t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
			V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
		t->rangelow = 772;	/* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
		t->rangehigh = 13684;	/* 855.25 MHz / 62.5 kHz = 13684 */
		/* FIXME: add the real signal strength here */
		t->signal = 0xffff;
		t->afc = 0;

		// FIXME: standard / stereo detection is still broken
		msp_readreg(av7110, MSP_RD_DEM, 0x007e, &stereo_det);
		dprintk(1, "VIDIOC_G_TUNER: msp3400 TV standard detection: 0x%04x\n", stereo_det);

		msp_readreg(av7110, MSP_RD_DSP, 0x0018, &stereo_det);
		dprintk(1, "VIDIOC_G_TUNER: msp3400 stereo detection: 0x%04x\n", stereo_det);
		stereo = (s8)(stereo_det >> 8);
		if (stereo > 0x10) {
			/* stereo */
			t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
			t->audmode = V4L2_TUNER_MODE_STEREO;
		}
		else if (stereo < -0x10) {
			/* bilingual*/
			t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
			t->audmode = V4L2_TUNER_MODE_LANG1;
		}
		else /* mono */
			t->rxsubchans = V4L2_TUNER_SUB_MONO;

		return 0;
	}
	case VIDIOC_S_TUNER:
	{
		struct v4l2_tuner *t = arg;
		u16 fm_matrix, src;
		dprintk(2, "VIDIOC_S_TUNER: %d\n", t->index);

		if (!av7110->analog_tuner_flags || av7110->current_input != 1)
			return -EINVAL;

		switch (t->audmode) {
		case V4L2_TUNER_MODE_STEREO:
			dprintk(2, "VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n");
			fm_matrix = 0x3001; // stereo
			src = 0x0020;
			break;
		case V4L2_TUNER_MODE_LANG1:
			dprintk(2, "VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n");
			fm_matrix = 0x3000; // mono
			src = 0x0000;
			break;
		case V4L2_TUNER_MODE_LANG2:
			dprintk(2, "VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n");
			fm_matrix = 0x3000; // mono
			src = 0x0010;
			break;
		default: /* case V4L2_TUNER_MODE_MONO: {*/
			dprintk(2, "VIDIOC_S_TUNER: TDA9840_SET_MONO\n");
			fm_matrix = 0x3000; // mono
			src = 0x0030;
			break;
		}
		msp_writereg(av7110, MSP_WR_DSP, 0x000e, fm_matrix);
		msp_writereg(av7110, MSP_WR_DSP, 0x0008, src);
		msp_writereg(av7110, MSP_WR_DSP, 0x0009, src);
		msp_writereg(av7110, MSP_WR_DSP, 0x000a, src);
		return 0;
	}
	case VIDIOC_G_FREQUENCY:
	{
		struct v4l2_frequency *f = arg;

		dprintk(2, "VIDIOC_G_FREQ: freq:0x%08x.\n", f->frequency);

		if (!av7110->analog_tuner_flags || av7110->current_input != 1)
			return -EINVAL;

		memset(f, 0, sizeof(*f));
		f->type = V4L2_TUNER_ANALOG_TV;
		f->frequency =	av7110->current_freq;
		return 0;
	}
	case VIDIOC_S_FREQUENCY:
	{
		struct v4l2_frequency *f = arg;

		dprintk(2, "VIDIOC_S_FREQUENCY: freq:0x%08x.\n", f->frequency);

		if (!av7110->analog_tuner_flags || av7110->current_input != 1)
			return -EINVAL;

		if (V4L2_TUNER_ANALOG_TV != f->type)
			return -EINVAL;

		msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0xffe0); // fast mute
		msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0xffe0);

		/* tune in desired frequency */
		if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
			ves1820_set_tv_freq(dev, f->frequency);
		} else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
			stv0297_set_tv_freq(dev, f->frequency);
		}
		av7110->current_freq = f->frequency;

		msp_writereg(av7110, MSP_WR_DSP, 0x0015, 0x003f); // start stereo detection
		msp_writereg(av7110, MSP_WR_DSP, 0x0015, 0x0000);
		msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x4f00); // loudspeaker + headphone
		msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x4f00); // SCART 1 volume
		return 0;
	}
	case VIDIOC_ENUMINPUT:
	{
		struct v4l2_input *i = arg;

		dprintk(2, "VIDIOC_ENUMINPUT: %d\n", i->index);

		if (av7110->analog_tuner_flags) {
			if (i->index < 0 || i->index >= 2)
				return -EINVAL;
		} else {
			if (i->index != 0)
				return -EINVAL;
		}

		memcpy(i, &inputs[i->index], sizeof(struct v4l2_input));

		return 0;
	}
	case VIDIOC_G_INPUT:
	{
		int *input = (int *)arg;
		*input = av7110->current_input;
		dprintk(2, "VIDIOC_G_INPUT: %d\n", *input);
		return 0;
	}
	case VIDIOC_S_INPUT:
	{
		int input = *(int *)arg;

		dprintk(2, "VIDIOC_S_INPUT: %d\n", input);

		if (!av7110->analog_tuner_flags)
			return 0;

		if (input < 0 || input >= 2)
			return -EINVAL;

		/* FIXME: switch inputs here */
		av7110->current_input = input;
		return av7110_dvb_c_switch(fh);
	}
	case VIDIOC_G_AUDIO:
	{
		struct v4l2_audio *a = arg;

		dprintk(2, "VIDIOC_G_AUDIO: %d\n", a->index);
		if (a->index != 0)
			return -EINVAL;
		memcpy(a, &msp3400_v4l2_audio, sizeof(struct v4l2_audio));
		break;
	}
	case VIDIOC_S_AUDIO:
	{
		struct v4l2_audio *a = arg;
		dprintk(2, "VIDIOC_S_AUDIO: %d\n", a->index);
		break;
	}
	default:
		printk("no such ioctl\n");
		return -ENOIOCTLCMD;
	}
	return 0;
}


/****************************************************************************
 * INITIALIZATION
 ****************************************************************************/

static struct saa7146_extension_ioctls ioctls[] = {
	{ VIDIOC_ENUMINPUT,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_INPUT,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_INPUT,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_FREQUENCY,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_FREQUENCY,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_TUNER,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_TUNER,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_AUDIO,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_AUDIO,	SAA7146_EXCLUSIVE },
	{ 0, 0 }
};

static u8 saa7113_init_regs[] = {
	0x02, 0xd0,
	0x03, 0x23,
	0x04, 0x00,
	0x05, 0x00,
	0x06, 0xe9,
	0x07, 0x0d,
	0x08, 0x98,
	0x09, 0x02,
	0x0a, 0x80,
	0x0b, 0x40,
	0x0c, 0x40,
	0x0d, 0x00,
	0x0e, 0x01,
	0x0f, 0x7c,
	0x10, 0x48,
	0x11, 0x0c,
	0x12, 0x8b,
	0x13, 0x1a,
	0x14, 0x00,
	0x15, 0x00,
	0x16, 0x00,
	0x17, 0x00,
	0x18, 0x00,
	0x19, 0x00,
	0x1a, 0x00,
	0x1b, 0x00,
	0x1c, 0x00,
	0x1d, 0x00,
	0x1e, 0x00,

	0x41, 0x77,
	0x42, 0x77,
	0x43, 0x77,
	0x44, 0x77,
	0x45, 0x77,
	0x46, 0x77,
	0x47, 0x77,
	0x48, 0x77,
	0x49, 0x77,
	0x4a, 0x77,
	0x4b, 0x77,
	0x4c, 0x77,
	0x4d, 0x77,
	0x4e, 0x77,
	0x4f, 0x77,
	0x50, 0x77,
	0x51, 0x77,
	0x52, 0x77,
	0x53, 0x77,
	0x54, 0x77,
	0x55, 0x77,
	0x56, 0x77,
	0x57, 0xff,

	0xff
};


static struct saa7146_ext_vv av7110_vv_data_st;
static struct saa7146_ext_vv av7110_vv_data_c;

int av7110_init_analog_module(struct av7110 *av7110)
{
	u16 version1, version2;

	if (i2c_writereg(av7110, 0x80, 0x0, 0x80) != 1
	    || i2c_writereg(av7110, 0x80, 0x0, 0) != 1)
		return -ENODEV;

	printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3400\n",
		av7110->dvb_adapter->num);
	av7110->adac_type = DVB_ADAC_MSP;
	msleep(100); // the probing above resets the msp...
	msp_readreg(av7110, MSP_RD_DSP, 0x001e, &version1);
	msp_readreg(av7110, MSP_RD_DSP, 0x001f, &version2);
	dprintk(1, "dvb-ttpci: @ card %d MSP3400 version 0x%04x 0x%04x\n",
		av7110->dvb_adapter->num, version1, version2);
	msp_writereg(av7110, MSP_WR_DSP, 0x0013, 0x0c00);
	msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
	msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); // loudspeaker source
	msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0220); // headphone source
	msp_writereg(av7110, MSP_WR_DSP, 0x0004, 0x7f00); // loudspeaker volume
	msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0220); // SCART 1 source
	msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x7f00); // SCART 1 volume
	msp_writereg(av7110, MSP_WR_DSP, 0x000d, 0x4800); // prescale SCART

	if (i2c_writereg(av7110, 0x48, 0x01, 0x00)!=1) {
		INFO(("saa7113 not accessible.\n"));
	} else {
		u8 *i = saa7113_init_regs;

		if ((av7110->dev->pci->subsystem_vendor == 0x110a) && (av7110->dev->pci->subsystem_device == 0x0000)) {
			/* Fujitsu/Siemens DVB-Cable */
			av7110->analog_tuner_flags |= ANALOG_TUNER_VES1820;
		} else if ((av7110->dev->pci->subsystem_vendor == 0x13c2) && (av7110->dev->pci->subsystem_device == 0x0002)) {
			/* Hauppauge/TT DVB-C premium */
			av7110->analog_tuner_flags |= ANALOG_TUNER_VES1820;
		} else if ((av7110->dev->pci->subsystem_vendor == 0x13c2) && (av7110->dev->pci->subsystem_device == 0x000A)) {
			/* Hauppauge/TT DVB-C premium */
			av7110->analog_tuner_flags |= ANALOG_TUNER_STV0297;
		}

		/* setup for DVB by default */
		if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
			if (ves1820_writereg(av7110->dev, 0x09, 0x0f, 0x20))
				dprintk(1, "setting band in demodulator failed.\n");
		} else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
			saa7146_setgpio(av7110->dev, 1, SAA7146_GPIO_OUTLO); // TDA9198 pin9(STD)
			saa7146_setgpio(av7110->dev, 3, SAA7146_GPIO_OUTLO); // TDA9198 pin30(VIF)
		}

		/* init the saa7113 */
		while (*i != 0xff) {
			if (i2c_writereg(av7110, 0x48, i[0], i[1]) != 1) {
				dprintk(1, "saa7113 initialization failed @ card %d", av7110->dvb_adapter->num);
				break;
			}
			i += 2;
		}
		/* setup msp for analog sound: B/G Dual-FM */
		msp_writereg(av7110, MSP_WR_DEM, 0x00bb, 0x02d0); // AD_CV
		msp_writereg(av7110, MSP_WR_DEM, 0x0001,  3); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 18); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 27); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 48); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 66); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 72); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0005,  4); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 64); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005,  0); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005,  3); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 18); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 27); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 48); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 66); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 72); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0083, 0xa000); // MODE_REG
		msp_writereg(av7110, MSP_WR_DEM, 0x0093, 0x00aa); // DCO1_LO 5.74MHz
		msp_writereg(av7110, MSP_WR_DEM, 0x009b, 0x04fc); // DCO1_HI
		msp_writereg(av7110, MSP_WR_DEM, 0x00a3, 0x038e); // DCO2_LO 5.5MHz
		msp_writereg(av7110, MSP_WR_DEM, 0x00ab, 0x04c6); // DCO2_HI
		msp_writereg(av7110, MSP_WR_DEM, 0x0056, 0); // LOAD_REG 1/2
	}

	memcpy(standard, dvb_standard, sizeof(struct saa7146_standard) * 2);
	/* set dd1 stream a & b */
	saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
	saa7146_write(av7110->dev, DD1_INIT, 0x03000700);
	saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));

	return 0;
}

int av7110_init_v4l(struct av7110 *av7110)
{
	struct saa7146_dev* dev = av7110->dev;
	int ret;

	/* special case DVB-C: these cards have an analog tuner
	   plus need some special handling, so we have separate
	   saa7146_ext_vv data for these... */
	if (av7110->analog_tuner_flags)
		ret = saa7146_vv_init(dev, &av7110_vv_data_c);
	else
		ret = saa7146_vv_init(dev, &av7110_vv_data_st);

	if (ret) {
		ERR(("cannot init capture device. skipping.\n"));
		return -ENODEV;
	}

	if (saa7146_register_device(&av7110->v4l_dev, dev, "av7110", VFL_TYPE_GRABBER)) {
		ERR(("cannot register capture device. skipping.\n"));
		saa7146_vv_release(dev);
		return -ENODEV;
	}
	if (av7110->analog_tuner_flags) {
		if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI)) {
			ERR(("cannot register vbi v4l2 device. skipping.\n"));
		} else {
			av7110->analog_tuner_flags |= ANALOG_TUNER_VBI;
		}
	}
	return 0;
}

int av7110_exit_v4l(struct av7110 *av7110)
{
	saa7146_unregister_device(&av7110->v4l_dev, av7110->dev);
	if (av7110->analog_tuner_flags & ANALOG_TUNER_VBI)
		saa7146_unregister_device(&av7110->vbi_dev, av7110->dev);
	return 0;
}



/* FIXME: these values are experimental values that look better than the
   values from the latest "official" driver -- at least for me... (MiHu) */
static struct saa7146_standard standard[] = {
	{
		.name	= "PAL",	.id		= V4L2_STD_PAL_BG,
		.v_offset	= 0x15,	.v_field	= 288,
		.h_offset	= 0x48,	.h_pixels	= 708,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC",	.id		= V4L2_STD_NTSC,
		.v_offset	= 0x10,	.v_field	= 244,
		.h_offset	= 0x40,	.h_pixels	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}
};

static struct saa7146_standard analog_standard[] = {
	{
		.name	= "PAL",	.id		= V4L2_STD_PAL_BG,
		.v_offset	= 0x1b,	.v_field	= 288,
		.h_offset	= 0x08,	.h_pixels	= 708,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC",	.id		= V4L2_STD_NTSC,
		.v_offset	= 0x10,	.v_field	= 244,
		.h_offset	= 0x40,	.h_pixels	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}
};

static struct saa7146_standard dvb_standard[] = {
	{
		.name	= "PAL",	.id		= V4L2_STD_PAL_BG,
		.v_offset	= 0x14,	.v_field	= 288,
		.h_offset	= 0x48,	.h_pixels	= 708,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC",	.id		= V4L2_STD_NTSC,
		.v_offset	= 0x10,	.v_field	= 244,
		.h_offset	= 0x40,	.h_pixels	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}
};

static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
{
	struct av7110 *av7110 = (struct av7110*) dev->ext_priv;

	if (std->id & V4L2_STD_PAL) {
		av7110->vidmode = VIDEO_MODE_PAL;
		av7110_set_vidmode(av7110, av7110->vidmode);
	}
	else if (std->id & V4L2_STD_NTSC) {
		av7110->vidmode = VIDEO_MODE_NTSC;
		av7110_set_vidmode(av7110, av7110->vidmode);
	}
	else
		return -1;

	return 0;
}


static struct saa7146_ext_vv av7110_vv_data_st = {
	.inputs		= 1,
	.audios		= 1,
	.capabilities	= 0,
	.flags		= 0,

	.stds		= &standard[0],
	.num_stds	= ARRAY_SIZE(standard),
	.std_callback	= &std_callback,

	.ioctls		= &ioctls[0],
	.ioctl		= av7110_ioctl,
};

static struct saa7146_ext_vv av7110_vv_data_c = {
	.inputs		= 1,
	.audios		= 1,
	.capabilities	= V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
	.flags		= SAA7146_USE_PORT_B_FOR_VBI,

	.stds		= &standard[0],
	.num_stds	= ARRAY_SIZE(standard),
	.std_callback	= &std_callback,

	.ioctls		= &ioctls[0],
	.ioctl		= av7110_ioctl,
};