summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/saa7134/saa7134-dvb.c
blob: 38d87332cc5dcd312fd815bece3d40709ee38c42 (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
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
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
/*
 *
 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
 *
 *  Extended 3 / 2005 by Hartmut Hackmann to support various
 *  cards with the tda10046 DVB-T channel decoder
 *
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/suspend.h>

#include "saa7134-reg.h"
#include "saa7134.h"
#include <media/v4l2-common.h>
#include "dvb-pll.h"

#include "mt352.h"
#include "mt352_priv.h" /* FIXME */
#include "tda1004x.h"
#include "nxt200x.h"

#include "tda10086.h"
#include "tda826x.h"
#include "tda827x.h"
#include "isl6421.h"

MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");

static unsigned int antenna_pwr = 0;

module_param(antenna_pwr, int, 0444);
MODULE_PARM_DESC(antenna_pwr,"enable antenna power (Pinnacle 300i)");

static int use_frontend = 0;
module_param(use_frontend, int, 0644);
MODULE_PARM_DESC(use_frontend,"for cards with multiple frontends (0: terrestrial, 1: satellite)");

static int debug = 0;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off module debugging (default:off).");

#define dprintk(fmt, arg...)	do { if (debug) \
	printk(KERN_DEBUG "%s/dvb: " fmt, dev->name , ## arg); } while(0)

/* Print a warning */
#define wprintk(fmt, arg...) \
	printk(KERN_WARNING "%s/dvb: " fmt, dev->name, ## arg)

/* ------------------------------------------------------------------
 * mt352 based DVB-T cards
 */

static int pinnacle_antenna_pwr(struct saa7134_dev *dev, int on)
{
	u32 ok;

	if (!on) {
		saa_setl(SAA7134_GPIO_GPMODE0 >> 2,     (1 << 26));
		saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26));
		return 0;
	}

	saa_setl(SAA7134_GPIO_GPMODE0 >> 2,     (1 << 26));
	saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2,   (1 << 26));
	udelay(10);

	saa_setl(SAA7134_GPIO_GPMODE0 >> 2,     (1 << 28));
	saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 28));
	udelay(10);
	saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2,   (1 << 28));
	udelay(10);
	ok = saa_readl(SAA7134_GPIO_GPSTATUS0) & (1 << 27);
	dprintk("%s %s\n", __FUNCTION__, ok ? "on" : "off");

	if (!ok)
		saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2,   (1 << 26));
	return ok;
}

static int mt352_pinnacle_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { CLOCK_CTL,  0x3d, 0x28 };
	static u8 reset []         = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0xa0 };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x31 };
	static u8 fsm_ctl_cfg[]    = { 0x7b,       0x04 };
	static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x0f };
	static u8 scan_ctl_cfg []  = { SCAN_CTL,   0x0d };
	static u8 irq_cfg []       = { INTERRUPT_EN_0, 0x00, 0x00, 0x00, 0x00 };
	struct saa7134_dev *dev= fe->dvb->priv;

	dprintk("%s called\n", __FUNCTION__);

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(200);
	mt352_write(fe, reset,          sizeof(reset));
	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
	mt352_write(fe, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));

	mt352_write(fe, fsm_ctl_cfg,    sizeof(fsm_ctl_cfg));
	mt352_write(fe, scan_ctl_cfg,   sizeof(scan_ctl_cfg));
	mt352_write(fe, irq_cfg,        sizeof(irq_cfg));

	return 0;
}

static int mt352_aver777_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x2d };
	static u8 reset []         = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0xa0 };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x33 };

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(200);
	mt352_write(fe, reset,          sizeof(reset));
	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));

	return 0;
}

static int mt352_pinnacle_tuner_set_params(struct dvb_frontend* fe,
					   struct dvb_frontend_parameters* params)
{
	u8 off[] = { 0x00, 0xf1};
	u8 on[]  = { 0x00, 0x71};
	struct i2c_msg msg = {.addr=0x43, .flags=0, .buf=off, .len = sizeof(off)};

	struct saa7134_dev *dev = fe->dvb->priv;
	struct v4l2_frequency f;

	/* set frequency (mt2050) */
	f.tuner     = 0;
	f.type      = V4L2_TUNER_DIGITAL_TV;
	f.frequency = params->frequency / 1000 * 16 / 1000;
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	i2c_transfer(&dev->i2c_adap, &msg, 1);
	saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f);
	msg.buf = on;
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	i2c_transfer(&dev->i2c_adap, &msg, 1);

	pinnacle_antenna_pwr(dev, antenna_pwr);

	/* mt352 setup */
	return mt352_pinnacle_init(fe);
}

static struct mt352_config pinnacle_300i = {
	.demod_address = 0x3c >> 1,
	.adc_clock     = 20333,
	.if2           = 36150,
	.no_tuner      = 1,
	.demod_init    = mt352_pinnacle_init,
};

static struct mt352_config avermedia_777 = {
	.demod_address = 0xf,
	.demod_init    = mt352_aver777_init,
};

/* ==================================================================
 * tda1004x based DVB-T cards, helper functions
 */

static int philips_tda1004x_request_firmware(struct dvb_frontend *fe,
					   const struct firmware **fw, char *name)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	return request_firmware(fw, name, &dev->pci->dev);
}

/* ------------------------------------------------------------------
 * these tuners are tu1216, td1316(a)
 */

static int philips_tda6651_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	u8 tuner_buf[4];
	struct i2c_msg tuner_msg = {.addr = addr,.flags = 0,.buf = tuner_buf,.len =
			sizeof(tuner_buf) };
	int tuner_frequency = 0;
	u8 band, cp, filter;

	/* determine charge pump */
	tuner_frequency = params->frequency + 36166000;
	if (tuner_frequency < 87000000)
		return -EINVAL;
	else if (tuner_frequency < 130000000)
		cp = 3;
	else if (tuner_frequency < 160000000)
		cp = 5;
	else if (tuner_frequency < 200000000)
		cp = 6;
	else if (tuner_frequency < 290000000)
		cp = 3;
	else if (tuner_frequency < 420000000)
		cp = 5;
	else if (tuner_frequency < 480000000)
		cp = 6;
	else if (tuner_frequency < 620000000)
		cp = 3;
	else if (tuner_frequency < 830000000)
		cp = 5;
	else if (tuner_frequency < 895000000)
		cp = 7;
	else
		return -EINVAL;

	/* determine band */
	if (params->frequency < 49000000)
		return -EINVAL;
	else if (params->frequency < 161000000)
		band = 1;
	else if (params->frequency < 444000000)
		band = 2;
	else if (params->frequency < 861000000)
		band = 4;
	else
		return -EINVAL;

	/* setup PLL filter */
	switch (params->u.ofdm.bandwidth) {
	case BANDWIDTH_6_MHZ:
		filter = 0;
		break;

	case BANDWIDTH_7_MHZ:
		filter = 0;
		break;

	case BANDWIDTH_8_MHZ:
		filter = 1;
		break;

	default:
		return -EINVAL;
	}

	/* calculate divisor
	 * ((36166000+((1000000/6)/2)) + Finput)/(1000000/6)
	 */
	tuner_frequency = (((params->frequency / 1000) * 6) + 217496) / 1000;

	/* setup tuner buffer */
	tuner_buf[0] = (tuner_frequency >> 8) & 0x7f;
	tuner_buf[1] = tuner_frequency & 0xff;
	tuner_buf[2] = 0xca;
	tuner_buf[3] = (cp << 5) | (filter << 3) | band;

	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&dev->i2c_adap, &tuner_msg, 1) != 1) {
		wprintk("could not write to tuner at addr: 0x%02x\n",
			addr << 1);
		return -EIO;
	}
	msleep(1);
	return 0;
}

static int philips_tu1216_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	static u8 tu1216_init[] = { 0x0b, 0xf5, 0x85, 0xab };
	struct i2c_msg tuner_msg = {.addr = addr,.flags = 0,.buf = tu1216_init,.len = sizeof(tu1216_init) };

	/* setup PLL configuration */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&dev->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;
	msleep(1);

	return 0;
}

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

static struct tda1004x_config philips_tu1216_60_config = {
	.demod_address = 0x8,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_4M,
	.agc_config    = TDA10046_AGC_DEFAULT,
	.if_freq       = TDA10046_FREQ_3617,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config philips_tu1216_61_config = {

	.demod_address = 0x8,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_4M,
	.agc_config    = TDA10046_AGC_DEFAULT,
	.if_freq       = TDA10046_FREQ_3617,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

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

static int philips_td1316_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	static u8 msg[] = { 0x0b, 0xf5, 0x86, 0xab };
	struct i2c_msg init_msg = {.addr = addr,.flags = 0,.buf = msg,.len = sizeof(msg) };

	/* setup PLL configuration */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&dev->i2c_adap, &init_msg, 1) != 1)
		return -EIO;
	return 0;
}

static int philips_td1316_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	return philips_tda6651_pll_set(fe, params);
}

static int philips_td1316_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->tuner_address;
	static u8 msg[] = { 0x0b, 0xdc, 0x86, 0xa4 };
	struct i2c_msg analog_msg = {.addr = addr,.flags = 0,.buf = msg,.len = sizeof(msg) };

	/* switch the tuner to analog mode */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	if (i2c_transfer(&dev->i2c_adap, &analog_msg, 1) != 1)
		return -EIO;
	return 0;
}

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

static int philips_europa_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	static u8 msg[] = { 0x00, 0x40};
	struct i2c_msg init_msg = {.addr = 0x43,.flags = 0,.buf = msg,.len = sizeof(msg) };


	if (philips_td1316_tuner_init(fe))
		return -EIO;
	msleep(1);
	if (i2c_transfer(&dev->i2c_adap, &init_msg, 1) != 1)
		return -EIO;

	return 0;
}

static int philips_europa_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;

	static u8 msg[] = { 0x00, 0x14 };
	struct i2c_msg analog_msg = {.addr = 0x43,.flags = 0,.buf = msg,.len = sizeof(msg) };

	if (philips_td1316_tuner_sleep(fe))
		return -EIO;

	/* switch the board to analog mode */
	if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1);
	i2c_transfer(&dev->i2c_adap, &analog_msg, 1);
	return 0;
}

static int philips_europa_demod_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;

	if (dev->original_demod_sleep)
		dev->original_demod_sleep(fe);
	fe->ops.i2c_gate_ctrl(fe, 1);
	return 0;
}

static struct tda1004x_config philips_europa_config = {

	.demod_address = 0x8,
	.invert        = 0,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_4M,
	.agc_config    = TDA10046_AGC_IFO_AUTO_POS,
	.if_freq       = TDA10046_FREQ_052,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

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

static struct tda1004x_config medion_cardbus = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_IFO_AUTO_NEG,
	.if_freq       = TDA10046_FREQ_3613,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

/* ------------------------------------------------------------------
 * tda 1004x based cards with philips silicon tuner
 */

static void philips_tda827x_lna_gain(struct dvb_frontend *fe, int high)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;
	u8 addr = state->config->i2c_gate;
	u8 config = state->config->tuner_config;
	u8 GP00_CF[] = {0x20, 0x01};
	u8 GP00_LEV[] = {0x22, 0x00};

	struct i2c_msg msg = {.addr = addr,.flags = 0,.buf = GP00_CF, .len = 2};
	if (config) {
		if (high) {
			dprintk("setting LNA to high gain\n");
		} else {
			dprintk("setting LNA to low gain\n");
		}
	}
	switch (config) {
	case 0: /* no LNA */
		break;
	case 1: /* switch is GPIO 0 of tda8290 */
	case 2:
		/* turn Vsync off */
		saa7134_set_gpio(dev, 22, 0);
		GP00_LEV[1] = high ? 0 : 1;
		if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) {
			wprintk("could not access tda8290 at addr: 0x%02x\n",
				addr << 1);
			return;
		}
		msg.buf = GP00_LEV;
		if (config == 2)
			GP00_LEV[1] = high ? 1 : 0;
		i2c_transfer(&dev->i2c_adap, &msg, 1);
		break;
	case 3: /* switch with GPIO of saa713x */
		saa7134_set_gpio(dev, 22, high);
		break;
	}
}

static int tda8290_i2c_gate_ctrl( struct dvb_frontend* fe, int enable)
{
	struct tda1004x_state *state = fe->demodulator_priv;

	u8 addr = state->config->i2c_gate;
	static u8 tda8290_close[] = { 0x21, 0xc0};
	static u8 tda8290_open[]  = { 0x21, 0x80};
	struct i2c_msg tda8290_msg = {.addr = addr,.flags = 0, .len = 2};
	if (enable) {
		tda8290_msg.buf = tda8290_close;
	} else {
		tda8290_msg.buf = tda8290_open;
	}
	if (i2c_transfer(state->i2c, &tda8290_msg, 1) != 1) {
		struct saa7134_dev *dev = fe->dvb->priv;
		wprintk("could not access tda8290 I2C gate\n");
		return -EIO;
	}
	msleep(20);
	return 0;
}

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

static int philips_tda827x_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;

	switch (state->config->antenna_switch) {
	case 0: break;
	case 1:	dprintk("setting GPIO21 to 0 (TV antenna?)\n");
		saa7134_set_gpio(dev, 21, 0);
		break;
	case 2: dprintk("setting GPIO21 to 1 (Radio antenna?)\n");
		saa7134_set_gpio(dev, 21, 1);
		break;
	}
	return 0;
}

static int philips_tda827x_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	struct tda1004x_state *state = fe->demodulator_priv;

	switch (state->config->antenna_switch) {
	case 0: break;
	case 1: dprintk("setting GPIO21 to 1 (Radio antenna?)\n");
		saa7134_set_gpio(dev, 21, 1);
		break;
	case 2:	dprintk("setting GPIO21 to 0 (TV antenna?)\n");
		saa7134_set_gpio(dev, 21, 0);
		break;
	}
	return 0;
}

static struct tda827x_config tda827x_cfg = {
	.lna_gain = philips_tda827x_lna_gain,
	.init = philips_tda827x_tuner_init,
	.sleep = philips_tda827x_tuner_sleep
};

static void configure_tda827x_fe(struct saa7134_dev *dev, struct tda1004x_config *tda_conf)
{
	dev->dvb.frontend = dvb_attach(tda10046_attach, tda_conf, &dev->i2c_adap);
	if (dev->dvb.frontend) {
		if (tda_conf->i2c_gate)
			dev->dvb.frontend->ops.i2c_gate_ctrl = tda8290_i2c_gate_ctrl;
		if (dvb_attach(tda827x_attach, dev->dvb.frontend, tda_conf->tuner_address,
						&dev->i2c_adap,&tda827x_cfg) == NULL) {
			wprintk("no tda827x tuner found at addr: %02x\n",
				tda_conf->tuner_address);
		}
	}
}

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

static struct tda1004x_config tda827x_lifeview_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config philips_tiger_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 0,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config cinergy_ht_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 0,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config cinergy_ht_pci_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x60,
	.tuner_config  = 0,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config philips_tiger_s_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 2,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config pinnacle_pctv_310i_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config hauppauge_hvr_1110_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_p7131_dual_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 0,
	.antenna_switch= 2,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config lifeview_trio_config = {
	.demod_address = 0x09,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP00_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config tevion_dvbt220rf_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x60,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config md8800_dvbt_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x60,
	.tuner_config  = 0,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_p7131_4871_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 2,
	.antenna_switch= 2,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config asus_p7131_hybrid_lna_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 2,
	.antenna_switch= 2,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config kworld_dvb_t_210_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP11_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x61,
	.tuner_config  = 2,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

static struct tda1004x_config avermedia_super_007_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP01_I,
	.if_freq       = TDA10046_FREQ_045,
	.i2c_gate      = 0x4b,
	.tuner_address = 0x60,
	.tuner_config  = 0,
	.antenna_switch= 1,
	.request_firmware = philips_tda1004x_request_firmware
};

/* ------------------------------------------------------------------
 * special case: this card uses saa713x GPIO22 for the mode switch
 */

static int ads_duo_tuner_init(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	philips_tda827x_tuner_init(fe);
	/* route TDA8275a AGC input to the channel decoder */
	saa7134_set_gpio(dev, 22, 1);
	return 0;
}

static int ads_duo_tuner_sleep(struct dvb_frontend *fe)
{
	struct saa7134_dev *dev = fe->dvb->priv;
	/* route TDA8275a AGC input to the analog IF chip*/
	saa7134_set_gpio(dev, 22, 0);
	philips_tda827x_tuner_sleep(fe);
	return 0;
}

static struct tda827x_config ads_duo_cfg = {
	.lna_gain = philips_tda827x_lna_gain,
	.init = ads_duo_tuner_init,
	.sleep = ads_duo_tuner_sleep
};

static struct tda1004x_config ads_tech_duo_config = {
	.demod_address = 0x08,
	.invert        = 1,
	.invert_oclk   = 0,
	.xtal_freq     = TDA10046_XTAL_16M,
	.agc_config    = TDA10046_AGC_TDA827X,
	.gpio_config   = TDA10046_GP00_I,
	.if_freq       = TDA10046_FREQ_045,
	.tuner_address = 0x61,
	.request_firmware = philips_tda1004x_request_firmware
};

/* ==================================================================
 * tda10086 based DVB-S cards, helper functions
 */

static struct tda10086_config flydvbs = {
	.demod_address = 0x0e,
	.invert = 0,
};

/* ==================================================================
 * nxt200x based ATSC cards, helper functions
 */

static struct nxt200x_config avertvhda180 = {
	.demod_address    = 0x0a,
};

static struct nxt200x_config kworldatsc110 = {
	.demod_address    = 0x0a,
};

/* ==================================================================
 * Core code
 */

static int dvb_init(struct saa7134_dev *dev)
{
	int ret;
	/* init struct videobuf_dvb */
	dev->ts.nr_bufs    = 32;
	dev->ts.nr_packets = 32*4;
	dev->dvb.name = dev->name;
	videobuf_queue_pci_init(&dev->dvb.dvbq, &saa7134_ts_qops,
			    dev->pci, &dev->slock,
			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
			    V4L2_FIELD_ALTERNATE,
			    sizeof(struct saa7134_buf),
			    dev);

	switch (dev->board) {
	case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
		dprintk("pinnacle 300i dvb setup\n");
		dev->dvb.frontend = dvb_attach(mt352_attach, &pinnacle_300i,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dev->dvb.frontend->ops.tuner_ops.set_params = mt352_pinnacle_tuner_set_params;
		}
		break;
	case SAA7134_BOARD_AVERMEDIA_777:
	case SAA7134_BOARD_AVERMEDIA_A16AR:
		dprintk("avertv 777 dvb setup\n");
		dev->dvb.frontend = dvb_attach(mt352_attach, &avermedia_777,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_PHILIPS_TD1316);
		}
		break;
	case SAA7134_BOARD_MD7134:
		dev->dvb.frontend = dvb_attach(tda10046_attach,
					       &medion_cardbus,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, medion_cardbus.tuner_address,
				   &dev->i2c_adap, DVB_PLL_FMD1216ME);
		}
		break;
	case SAA7134_BOARD_PHILIPS_TOUGH:
		dev->dvb.frontend = dvb_attach(tda10046_attach,
					       &philips_tu1216_60_config,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dev->dvb.frontend->ops.tuner_ops.init = philips_tu1216_init;
			dev->dvb.frontend->ops.tuner_ops.set_params = philips_tda6651_pll_set;
		}
		break;
	case SAA7134_BOARD_FLYDVBTDUO:
	case SAA7134_BOARD_FLYDVBT_DUO_CARDBUS:
		configure_tda827x_fe(dev, &tda827x_lifeview_config);
		break;
	case SAA7134_BOARD_PHILIPS_EUROPA:
	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
		dev->dvb.frontend = dvb_attach(tda10046_attach,
					       &philips_europa_config,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dev->original_demod_sleep = dev->dvb.frontend->ops.sleep;
			dev->dvb.frontend->ops.sleep = philips_europa_demod_sleep;
			dev->dvb.frontend->ops.tuner_ops.init = philips_europa_tuner_init;
			dev->dvb.frontend->ops.tuner_ops.sleep = philips_europa_tuner_sleep;
			dev->dvb.frontend->ops.tuner_ops.set_params = philips_td1316_tuner_set_params;
		}
		break;
	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
		dev->dvb.frontend = dvb_attach(tda10046_attach,
					       &philips_tu1216_61_config,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dev->dvb.frontend->ops.tuner_ops.init = philips_tu1216_init;
			dev->dvb.frontend->ops.tuner_ops.set_params = philips_tda6651_pll_set;
		}
		break;
	case SAA7134_BOARD_KWORLD_DVBT_210:
		configure_tda827x_fe(dev, &kworld_dvb_t_210_config);
		break;
	case SAA7134_BOARD_PHILIPS_TIGER:
		configure_tda827x_fe(dev, &philips_tiger_config);
		break;
	case SAA7134_BOARD_PINNACLE_PCTV_310i:
		configure_tda827x_fe(dev, &pinnacle_pctv_310i_config);
		break;
	case SAA7134_BOARD_HAUPPAUGE_HVR1110:
		configure_tda827x_fe(dev, &hauppauge_hvr_1110_config);
		break;
	case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
		configure_tda827x_fe(dev, &asus_p7131_dual_config);
		break;
	case SAA7134_BOARD_FLYDVBT_LR301:
		configure_tda827x_fe(dev, &tda827x_lifeview_config);
		break;
	case SAA7134_BOARD_FLYDVB_TRIO:
		if(! use_frontend) {	//terrestrial
			configure_tda827x_fe(dev, &lifeview_trio_config);
		} else {  	      //satellite
			dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs, &dev->i2c_adap);
			if (dev->dvb.frontend) {
				if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x63,
									&dev->i2c_adap, 0) == NULL) {
					wprintk("%s: Lifeview Trio, No tda826x found!\n", __FUNCTION__);
				}
				if (dvb_attach(isl6421_attach, dev->dvb.frontend, &dev->i2c_adap,
										0x08, 0, 0) == NULL) {
					wprintk("%s: Lifeview Trio, No ISL6421 found!\n", __FUNCTION__);
				}
			}
		}
		break;
	case SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331:
	case SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS:
		dev->dvb.frontend = dvb_attach(tda10046_attach,
					       &ads_tech_duo_config,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			if (dvb_attach(tda827x_attach,dev->dvb.frontend,
				   ads_tech_duo_config.tuner_address,
				   &dev->i2c_adap,&ads_duo_cfg) == NULL) {
				wprintk("no tda827x tuner found at addr: %02x\n",
					ads_tech_duo_config.tuner_address);
			}
		}
		break;
	case SAA7134_BOARD_TEVION_DVBT_220RF:
		configure_tda827x_fe(dev, &tevion_dvbt220rf_config);
		break;
	case SAA7134_BOARD_MEDION_MD8800_QUADRO:
		configure_tda827x_fe(dev, &md8800_dvbt_config);
		break;
	case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:
		dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_TDHU2);
		}
		break;
	case SAA7134_BOARD_KWORLD_ATSC110:
		dev->dvb.frontend = dvb_attach(nxt200x_attach, &kworldatsc110,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_TUV1236D);
		}
		break;
	case SAA7134_BOARD_FLYDVBS_LR300:
		dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
					       &dev->i2c_adap);
		if (dev->dvb.frontend) {
			if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x60,
				       &dev->i2c_adap, 0) == NULL) {
				wprintk("%s: No tda826x found!\n", __FUNCTION__);
			}
			if (dvb_attach(isl6421_attach, dev->dvb.frontend,
				       &dev->i2c_adap, 0x08, 0, 0) == NULL) {
				wprintk("%s: No ISL6421 found!\n", __FUNCTION__);
			}
		}
		break;
	case SAA7134_BOARD_ASUS_EUROPA2_HYBRID:
		dev->dvb.frontend = tda10046_attach(&medion_cardbus,
						    &dev->i2c_adap);
		if (dev->dvb.frontend) {
			dev->original_demod_sleep = dev->dvb.frontend->ops.sleep;
			dev->dvb.frontend->ops.sleep = philips_europa_demod_sleep;

			dvb_attach(dvb_pll_attach, dev->dvb.frontend, medion_cardbus.tuner_address,
				   &dev->i2c_adap, DVB_PLL_FMD1216ME);
		}
		break;
	case SAA7134_BOARD_VIDEOMATE_DVBT_200A:
		dev->dvb.frontend = dvb_attach(tda10046_attach,
				&philips_europa_config,
				&dev->i2c_adap);
		if (dev->dvb.frontend) {
			dev->dvb.frontend->ops.tuner_ops.init = philips_td1316_tuner_init;
			dev->dvb.frontend->ops.tuner_ops.set_params = philips_td1316_tuner_set_params;
		}
		break;
	case SAA7134_BOARD_CINERGY_HT_PCMCIA:
		configure_tda827x_fe(dev, &cinergy_ht_config);
		break;
	case SAA7134_BOARD_CINERGY_HT_PCI:
		configure_tda827x_fe(dev, &cinergy_ht_pci_config);
		break;
	case SAA7134_BOARD_PHILIPS_TIGER_S:
		configure_tda827x_fe(dev, &philips_tiger_s_config);
		break;
	case SAA7134_BOARD_ASUS_P7131_4871:
		configure_tda827x_fe(dev, &asus_p7131_4871_config);
		break;
	case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
		configure_tda827x_fe(dev, &asus_p7131_hybrid_lna_config);
		break;
	case SAA7134_BOARD_AVERMEDIA_SUPER_007:
		configure_tda827x_fe(dev, &avermedia_super_007_config);
		break;
	default:
		wprintk("Huh? unknown DVB card?\n");
		break;
	}

	if (NULL == dev->dvb.frontend) {
		printk(KERN_ERR "%s/dvb: frontend initialization failed\n", dev->name);
		return -1;
	}

	/* register everything else */
	ret = videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev, &dev->pci->dev);

	/* this sequence is necessary to make the tda1004x load its firmware
	 * and to enter analog mode of hybrid boards
	 */
	if (!ret) {
		if (dev->dvb.frontend->ops.init)
			dev->dvb.frontend->ops.init(dev->dvb.frontend);
		if (dev->dvb.frontend->ops.sleep)
			dev->dvb.frontend->ops.sleep(dev->dvb.frontend);
		if (dev->dvb.frontend->ops.tuner_ops.sleep)
			dev->dvb.frontend->ops.tuner_ops.sleep(dev->dvb.frontend);
	}
	return ret;
}

static int dvb_fini(struct saa7134_dev *dev)
{
	static int on  = TDA9887_PRESENT | TDA9887_PORT2_INACTIVE;

	switch (dev->board) {
	case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
		/* otherwise we don't detect the tuner on next insmod */
		saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&on);
		break;
	};
	videobuf_dvb_unregister(&dev->dvb);
	return 0;
}

static struct saa7134_mpeg_ops dvb_ops = {
	.type          = SAA7134_MPEG_DVB,
	.init          = dvb_init,
	.fini          = dvb_fini,
};

static int __init dvb_register(void)
{
	return saa7134_ts_register(&dvb_ops);
}

static void __exit dvb_unregister(void)
{
	saa7134_ts_unregister(&dvb_ops);
}

module_init(dvb_register);
module_exit(dvb_unregister);

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