summaryrefslogtreecommitdiff
path: root/drivers/media/dvb/ttpci/budget-av.c
blob: 7692cd23f839cb13fb865c25196b179aa1f279c2 (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
/*
 * budget-av.c: driver for the SAA7146 based Budget DVB cards
 *              with analog video in
 *
 * Compiled from various sources by Michael Hunold <michael@mihu.de>
 *
 * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
 *                               Andrew de Quincey <adq_dvb@lidskialf.net>
 *
 * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
 *
 * Copyright (C) 1999-2002 Ralph  Metzler
 *                       & Marcus Metzler for convergence integrated media GmbH
 *
 * 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 "budget.h"
#include "stv0299.h"
#include "tda10021.h"
#include "tda1004x.h"
#include <media/saa7146_vv.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/spinlock.h>

#include "dvb_ca_en50221.h"

#define DEBICICAM		0x02420000

struct budget_av {
	struct budget budget;
	struct video_device *vd;
	int cur_input;
	int has_saa7113;
	struct tasklet_struct ciintf_irq_tasklet;
	int slot_status;
	struct dvb_ca_en50221 ca;
};

/* GPIO CI Connections:
 * 0 - Vcc/Reset (Reset is controlled by capacitor)
 * 1 - Attribute Memory
 * 2 - Card Enable (Active Low)
 * 3 - Card Detect
 */

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

static u8 i2c_readreg(struct i2c_adapter *i2c, u8 id, u8 reg)
{
	u8 mm1[] = { 0x00 };
	u8 mm2[] = { 0x00 };
	struct i2c_msg msgs[2];

	msgs[0].flags = 0;
	msgs[1].flags = I2C_M_RD;
	msgs[0].addr = msgs[1].addr = id / 2;
	mm1[0] = reg;
	msgs[0].len = 1;
	msgs[1].len = 1;
	msgs[0].buf = mm1;
	msgs[1].buf = mm2;

	i2c_transfer(i2c, msgs, 2);

	return mm2[0];
}

static int i2c_readregs(struct i2c_adapter *i2c, u8 id, u8 reg, u8 * buf, u8 len)
{
	u8 mm1[] = { reg };
	struct i2c_msg msgs[2] = {
		{.addr = id / 2,.flags = 0,.buf = mm1,.len = 1},
		{.addr = id / 2,.flags = I2C_M_RD,.buf = buf,.len = len}
	};

	if (i2c_transfer(i2c, msgs, 2) != 2)
		return -EIO;

	return 0;
}

static int i2c_writereg(struct i2c_adapter *i2c, u8 id, u8 reg, u8 val)
{
	u8 msg[2] = { reg, val };
	struct i2c_msg msgs;

	msgs.flags = 0;
	msgs.addr = id / 2;
	msgs.len = 2;
	msgs.buf = msg;
	return i2c_transfer(i2c, &msgs, 1);
}

static int ciintf_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	int result;

	if (slot != 0)
		return -EINVAL;

	saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI);
	udelay(1);

	result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 0xfff, 1, 0, 0);

	if (result == -ETIMEDOUT)
		budget_av->slot_status = 0;
	return result;
}

static int ciintf_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	int result;

	if (slot != 0)
		return -EINVAL;

	saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI);
	udelay(1);

	result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 0xfff, 1, value, 0, 0);

	if (result == -ETIMEDOUT)
		budget_av->slot_status = 0;
	return result;
}

static int ciintf_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	int result;

	if (slot != 0)
		return -EINVAL;

	saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
	udelay(1);

	result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 3, 1, 0, 0);

	if (result == -ETIMEDOUT)
		budget_av->slot_status = 0;
	return result;
}

static int ciintf_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	int result;

	if (slot != 0)
		return -EINVAL;

	saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
	udelay(1);

	result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 3, 1, value, 0, 0);

	if (result == -ETIMEDOUT)
		budget_av->slot_status = 0;
	return result;
}

static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	struct saa7146_dev *saa = budget_av->budget.dev;
	int timeout = 500; // 5 seconds (4.4.6 Ready)

	if (slot != 0)
		return -EINVAL;

	dprintk(1, "ciintf_slot_reset\n");

	saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */

	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */
	msleep(2);
	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); /* Vcc on */
	msleep(20); /* 20 ms Vcc settling time */

	saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); /* enable card */

	/* This should have been based on pin 16 READY of the pcmcia port,
	 * but AFAICS it is not routed to the saa7146 */
	while (--timeout > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d)
		msleep(100);

	if (timeout <= 0)
	{
		printk(KERN_ERR "budget-av: cam reset failed (timeout).\n");
		saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
		return -ETIMEDOUT;
	}

	return 0;
}

static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	struct saa7146_dev *saa = budget_av->budget.dev;

	if (slot != 0)
		return -EINVAL;

	dprintk(1, "ciintf_slot_shutdown\n");

	ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
	budget_av->slot_status = 0;
	return 0;
}

static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	struct saa7146_dev *saa = budget_av->budget.dev;

	if (slot != 0)
		return -EINVAL;

	dprintk(1, "ciintf_slot_ts_enable: %d\n", budget_av->slot_status);

	ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTA);
	return 0;
}

static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
{
	struct budget_av *budget_av = (struct budget_av *) ca->data;
	struct saa7146_dev *saa = budget_av->budget.dev;

	if (slot != 0)
		return -EINVAL;

	if (!budget_av->slot_status) {
		saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
		udelay(1);
		if (saa7146_read(saa, PSR) & MASK_06)
		{
			printk(KERN_INFO "budget-av: cam inserted\n");
			budget_av->slot_status = 1;
		}
		saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
	} else if (!open) {
		saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
		if (ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1) == -ETIMEDOUT)
		{
			printk(KERN_INFO "budget-av: cam ejected\n");
			saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
			budget_av->slot_status = 0;
		}
	}

	if (budget_av->slot_status == 1)
		return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY;

	return 0;
}

static int ciintf_init(struct budget_av *budget_av)
{
	struct saa7146_dev *saa = budget_av->budget.dev;
	int result;

	memset(&budget_av->ca, 0, sizeof(struct dvb_ca_en50221));

	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
	saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTLO);
	saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO);
	saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);

	/* Enable DEBI pins */
	saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16) | 0x800);

	/* register CI interface */
	budget_av->ca.owner = THIS_MODULE;
	budget_av->ca.read_attribute_mem = ciintf_read_attribute_mem;
	budget_av->ca.write_attribute_mem = ciintf_write_attribute_mem;
	budget_av->ca.read_cam_control = ciintf_read_cam_control;
	budget_av->ca.write_cam_control = ciintf_write_cam_control;
	budget_av->ca.slot_reset = ciintf_slot_reset;
	budget_av->ca.slot_shutdown = ciintf_slot_shutdown;
	budget_av->ca.slot_ts_enable = ciintf_slot_ts_enable;
	budget_av->ca.poll_slot_status = ciintf_poll_slot_status;
	budget_av->ca.data = budget_av;

	if ((result = dvb_ca_en50221_init(&budget_av->budget.dvb_adapter,
					  &budget_av->ca, 0, 1)) != 0) {
		printk(KERN_ERR "budget-av: ci initialisation failed.\n");
		goto error;
	}

	printk(KERN_INFO "budget-av: ci interface initialised.\n");
	budget_av->budget.ci_present = 1;
	return 0;

error:
	saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16));
	return result;
}

static void ciintf_deinit(struct budget_av *budget_av)
{
	struct saa7146_dev *saa = budget_av->budget.dev;

	saa7146_setgpio(saa, 0, SAA7146_GPIO_INPUT);
	saa7146_setgpio(saa, 1, SAA7146_GPIO_INPUT);
	saa7146_setgpio(saa, 2, SAA7146_GPIO_INPUT);
	saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);

	/* release the CA device */
	dvb_ca_en50221_release(&budget_av->ca);

	/* disable DEBI pins */
	saa7146_write(saa, MC1, saa7146_read(saa, MC1) | (0x800 << 16));
}


static const u8 saa7113_tab[] = {
	0x01, 0x08,
	0x02, 0xc0,
	0x03, 0x33,
	0x04, 0x00,
	0x05, 0x00,
	0x06, 0xeb,
	0x07, 0xe0,
	0x08, 0x28,
	0x09, 0x00,
	0x0a, 0x80,
	0x0b, 0x47,
	0x0c, 0x40,
	0x0d, 0x00,
	0x0e, 0x01,
	0x0f, 0x44,

	0x10, 0x08,
	0x11, 0x0c,
	0x12, 0x7b,
	0x13, 0x00,
	0x15, 0x00, 0x16, 0x00, 0x17, 0x00,

	0x57, 0xff,
	0x40, 0x82, 0x58, 0x00, 0x59, 0x54, 0x5a, 0x07,
	0x5b, 0x83, 0x5e, 0x00,
	0xff
};

static int saa7113_init(struct budget_av *budget_av)
{
	struct budget *budget = &budget_av->budget;
	struct saa7146_dev *saa = budget->dev;
	const u8 *data = saa7113_tab;

	saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI);
	msleep(200);

	if (i2c_writereg(&budget->i2c_adap, 0x4a, 0x01, 0x08) != 1) {
		dprintk(1, "saa7113 not found on KNC card\n");
		return -ENODEV;
	}

	dprintk(1, "saa7113 detected and initializing\n");

	while (*data != 0xff) {
		i2c_writereg(&budget->i2c_adap, 0x4a, *data, *(data + 1));
		data += 2;
	}

	dprintk(1, "saa7113  status=%02x\n", i2c_readreg(&budget->i2c_adap, 0x4a, 0x1f));

	return 0;
}

static int saa7113_setinput(struct budget_av *budget_av, int input)
{
	struct budget *budget = &budget_av->budget;

	if (1 != budget_av->has_saa7113)
		return -ENODEV;

	if (input == 1) {
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc7);
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x80);
	} else if (input == 0) {
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc0);
		i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x00);
	} else
		return -EINVAL;

	budget_av->cur_input = input;
	return 0;
}


static int philips_su1278_ty_ci_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
{
	u8 aclk = 0;
	u8 bclk = 0;
	u8 m1;

	aclk = 0xb5;
	if (srate < 2000000)
		bclk = 0x86;
	else if (srate < 5000000)
		bclk = 0x89;
	else if (srate < 15000000)
		bclk = 0x8f;
	else if (srate < 45000000)
		bclk = 0x95;

	m1 = 0x14;
	if (srate < 4000000)
		m1 = 0x10;

	stv0299_writereg(fe, 0x13, aclk);
	stv0299_writereg(fe, 0x14, bclk);
	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
	stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
	stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
	stv0299_writereg(fe, 0x0f, 0x80 | m1);

	return 0;
}

static int philips_su1278_ty_ci_pll_set(struct dvb_frontend *fe,
					struct i2c_adapter *i2c,
					struct dvb_frontend_parameters *params)
{
	u32 div;
	u8 buf[4];
	struct i2c_msg msg = {.addr = 0x61,.flags = 0,.buf = buf,.len = sizeof(buf) };

	if ((params->frequency < 950000) || (params->frequency > 2150000))
		return -EINVAL;

	div = (params->frequency + (125 - 1)) / 125;	// round correctly
	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
	buf[3] = 0x20;

	if (params->u.qpsk.symbol_rate < 4000000)
		buf[3] |= 1;

	if (params->frequency < 1250000)
		buf[3] |= 0;
	else if (params->frequency < 1550000)
		buf[3] |= 0x40;
	else if (params->frequency < 2050000)
		buf[3] |= 0x80;
	else if (params->frequency < 2150000)
		buf[3] |= 0xC0;

	if (i2c_transfer(i2c, &msg, 1) != 1)
		return -EIO;
	return 0;
}

static u8 typhoon_cinergy1200s_inittab[] = {
	0x01, 0x15,
	0x02, 0x30,
	0x03, 0x00,
	0x04, 0x7d,		/* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
	0x05, 0x35,		/* I2CT = 0, SCLT = 1, SDAT = 1 */
	0x06, 0x40,		/* DAC not used, set to high impendance mode */
	0x07, 0x00,		/* DAC LSB */
	0x08, 0x40,		/* DiSEqC off */
	0x09, 0x00,		/* FIFO */
	0x0c, 0x51,		/* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
	0x0d, 0x82,		/* DC offset compensation = ON, beta_agc1 = 2 */
	0x0e, 0x23,		/* alpha_tmg = 2, beta_tmg = 3 */
	0x10, 0x3f,		// AGC2  0x3d
	0x11, 0x84,
	0x12, 0xb5,		// Lock detect: -64  Carrier freq detect:on
	0x15, 0xc9,		// lock detector threshold
	0x16, 0x00,
	0x17, 0x00,
	0x18, 0x00,
	0x19, 0x00,
	0x1a, 0x00,
	0x1f, 0x50,
	0x20, 0x00,
	0x21, 0x00,
	0x22, 0x00,
	0x23, 0x00,
	0x28, 0x00,		// out imp: normal  out type: parallel FEC mode:0
	0x29, 0x1e,		// 1/2 threshold
	0x2a, 0x14,		// 2/3 threshold
	0x2b, 0x0f,		// 3/4 threshold
	0x2c, 0x09,		// 5/6 threshold
	0x2d, 0x05,		// 7/8 threshold
	0x2e, 0x01,
	0x31, 0x1f,		// test all FECs
	0x32, 0x19,		// viterbi and synchro search
	0x33, 0xfc,		// rs control
	0x34, 0x93,		// error control
	0x0f, 0x92,
	0xff, 0xff
};

static struct stv0299_config typhoon_config = {
	.demod_address = 0x68,
	.inittab = typhoon_cinergy1200s_inittab,
	.mclk = 88000000UL,
	.invert = 0,
	.enhanced_tuning = 0,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP0,
	.min_delay_ms = 100,
	.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
	.pll_set = philips_su1278_ty_ci_pll_set,
};


static struct stv0299_config cinergy_1200s_config = {
	.demod_address = 0x68,
	.inittab = typhoon_cinergy1200s_inittab,
	.mclk = 88000000UL,
	.invert = 0,
	.enhanced_tuning = 0,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_0,
	.volt13_op0_op1 = STV0299_VOLT13_OP0,
	.min_delay_ms = 100,
	.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
	.pll_set = philips_su1278_ty_ci_pll_set,
};


static int philips_cu1216_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;
	u8 buf[4];
	struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = buf,.len = sizeof(buf) };

#define TUNER_MUL 62500

	u32 div = (params->frequency + 36125000 + TUNER_MUL / 2) / TUNER_MUL;

	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = 0x86;
	buf[3] = (params->frequency < 150000000 ? 0x01 :
		  params->frequency < 445000000 ? 0x02 : 0x04);

	if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
		return -EIO;
	return 0;
}

static struct tda10021_config philips_cu1216_config = {
	.demod_address = 0x0c,
	.pll_set = philips_cu1216_pll_set,
};




static int philips_tu1216_pll_init(struct dvb_frontend *fe)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;
	static u8 tu1216_init[] = { 0x0b, 0xf5, 0x85, 0xab };
	struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tu1216_init,.len = sizeof(tu1216_init) };

	// setup PLL configuration
	if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;
	msleep(1);

	return 0;
}

static int philips_tu1216_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;
	u8 tuner_buf[4];
	struct i2c_msg tuner_msg = {.addr = 0x60,.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 (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
		return -EIO;

	msleep(1);
	return 0;
}

static int philips_tu1216_request_firmware(struct dvb_frontend *fe,
					   const struct firmware **fw, char *name)
{
	struct budget *budget = (struct budget *) fe->dvb->priv;

	return request_firmware(fw, name, &budget->dev->pci->dev);
}

static struct tda1004x_config philips_tu1216_config = {

	.demod_address = 0x8,
	.invert = 1,
	.invert_oclk = 1,
	.xtal_freq = TDA10046_XTAL_4M,
	.agc_config = TDA10046_AGC_DEFAULT,
	.if_freq = TDA10046_FREQ_3617,
	.pll_init = philips_tu1216_pll_init,
	.pll_set = philips_tu1216_pll_set,
	.pll_sleep = NULL,
	.request_firmware = philips_tu1216_request_firmware,
};




static u8 read_pwm(struct budget_av *budget_av)
{
	u8 b = 0xff;
	u8 pwm;
	struct i2c_msg msg[] = { {.addr = 0x50,.flags = 0,.buf = &b,.len = 1},
	{.addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1}
	};

	if ((i2c_transfer(&budget_av->budget.i2c_adap, msg, 2) != 2)
	    || (pwm == 0xff))
		pwm = 0x48;

	return pwm;
}

#define SUBID_DVBS_KNC1		0x0010
#define SUBID_DVBS_KNC1_PLUS	0x0011
#define SUBID_DVBS_TYPHOON	0x4f56
#define SUBID_DVBS_CINERGY1200	0x1154

#define SUBID_DVBC_KNC1		0x0020
#define SUBID_DVBC_KNC1_PLUS	0x0021
#define SUBID_DVBC_CINERGY1200	0x1156

#define SUBID_DVBT_KNC1_PLUS	0x0031
#define SUBID_DVBT_KNC1		0x0030
#define SUBID_DVBT_CINERGY1200	0x1157

static void frontend_init(struct budget_av *budget_av)
{
	struct saa7146_dev * saa = budget_av->budget.dev;
	struct dvb_frontend * fe = NULL;

	switch (saa->pci->subsystem_device) {
		case SUBID_DVBS_KNC1_PLUS:
		case SUBID_DVBC_KNC1_PLUS:
		case SUBID_DVBT_KNC1_PLUS:
			// Enable / PowerON Frontend
			saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
			saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTHI);
			break;
	}

	switch (saa->pci->subsystem_device) {

	case SUBID_DVBS_KNC1:
	case SUBID_DVBS_KNC1_PLUS:
	case SUBID_DVBS_TYPHOON:
		fe = stv0299_attach(&typhoon_config,
				    &budget_av->budget.i2c_adap);
		break;

	case SUBID_DVBS_CINERGY1200:
		fe = stv0299_attach(&cinergy_1200s_config,
				    &budget_av->budget.i2c_adap);
		break;

	case SUBID_DVBC_KNC1:
	case SUBID_DVBC_KNC1_PLUS:
		fe = tda10021_attach(&philips_cu1216_config,
				     &budget_av->budget.i2c_adap,
				     read_pwm(budget_av));
		break;

	case SUBID_DVBT_KNC1:
	case SUBID_DVBT_KNC1_PLUS:
		fe = tda10046_attach(&philips_tu1216_config,
				     &budget_av->budget.i2c_adap);
		break;

	case SUBID_DVBC_CINERGY1200:
		fe = tda10021_attach(&philips_cu1216_config,
				     &budget_av->budget.i2c_adap,
				     read_pwm(budget_av));
		break;

	case SUBID_DVBT_CINERGY1200:
		fe = tda10046_attach(&philips_tu1216_config,
				     &budget_av->budget.i2c_adap);
		break;
	}

	if (fe == NULL) {
		printk(KERN_ERR "budget-av: A frontend driver was not found "
				"for device %04x/%04x subsystem %04x/%04x\n",
		       saa->pci->vendor,
		       saa->pci->device,
		       saa->pci->subsystem_vendor,
		       saa->pci->subsystem_device);
		return;
	}

	budget_av->budget.dvb_frontend = fe;

	if (dvb_register_frontend(&budget_av->budget.dvb_adapter,
				  budget_av->budget.dvb_frontend)) {
		printk(KERN_ERR "budget-av: Frontend registration failed!\n");
		if (budget_av->budget.dvb_frontend->ops->release)
			budget_av->budget.dvb_frontend->ops->release(budget_av->budget.dvb_frontend);
		budget_av->budget.dvb_frontend = NULL;
	}
}


static void budget_av_irq(struct saa7146_dev *dev, u32 * isr)
{
	struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;

	dprintk(8, "dev: %p, budget_av: %p\n", dev, budget_av);

	if (*isr & MASK_10)
		ttpci_budget_irq10_handler(dev, isr);
}

static int budget_av_detach(struct saa7146_dev *dev)
{
	struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
	int err;

	dprintk(2, "dev: %p\n", dev);

	if (1 == budget_av->has_saa7113) {
		saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTLO);

		msleep(200);

		saa7146_unregister_device(&budget_av->vd, dev);
	}

	if (budget_av->budget.ci_present)
		ciintf_deinit(budget_av);

	if (budget_av->budget.dvb_frontend != NULL)
		dvb_unregister_frontend(budget_av->budget.dvb_frontend);
	err = ttpci_budget_deinit(&budget_av->budget);

	kfree(budget_av);

	return err;
}

static struct saa7146_ext_vv vv_data;

static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
	struct budget_av *budget_av;
	u8 *mac;
	int err;

	dprintk(2, "dev: %p\n", dev);

	if (!(budget_av = kmalloc(sizeof(struct budget_av), GFP_KERNEL)))
		return -ENOMEM;

	memset(budget_av, 0, sizeof(struct budget_av));

	budget_av->has_saa7113 = 0;
	budget_av->budget.ci_present = 0;

	dev->ext_priv = budget_av;

	if ((err = ttpci_budget_init(&budget_av->budget, dev, info, THIS_MODULE))) {
		kfree(budget_av);
		return err;
	}

	/* knc1 initialization */
	saa7146_write(dev, DD1_STREAM_B, 0x04000000);
	saa7146_write(dev, DD1_INIT, 0x07000600);
	saa7146_write(dev, MC2, MASK_09 | MASK_25 | MASK_10 | MASK_26);

	if (saa7113_init(budget_av) == 0) {
		budget_av->has_saa7113 = 1;

		if (0 != saa7146_vv_init(dev, &vv_data)) {
			/* fixme: proper cleanup here */
			ERR(("cannot init vv subsystem.\n"));
			return err;
		}

		if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_GRABBER))) {
			/* fixme: proper cleanup here */
			ERR(("cannot register capture v4l2 device.\n"));
			return err;
		}

		/* beware: this modifies dev->vv ... */
		saa7146_set_hps_source_and_sync(dev, SAA7146_HPS_SOURCE_PORT_A,
						SAA7146_HPS_SYNC_PORT_A);

		saa7113_setinput(budget_av, 0);
	} else {
		ciintf_init(budget_av);
	}

	/* fixme: find some sane values here... */
	saa7146_write(dev, PCI_BT_V1, 0x1c00101f);

	mac = budget_av->budget.dvb_adapter.proposed_mac;
	if (i2c_readregs(&budget_av->budget.i2c_adap, 0xa0, 0x30, mac, 6)) {
		printk(KERN_ERR "KNC1-%d: Could not read MAC from KNC1 card\n",
		       budget_av->budget.dvb_adapter.num);
		memset(mac, 0, 6);
	} else {
		printk(KERN_INFO "KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
		       budget_av->budget.dvb_adapter.num,
		       mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
	}

	budget_av->budget.dvb_adapter.priv = budget_av;
	frontend_init(budget_av);

	return 0;
}

#define KNC1_INPUTS 2
static struct v4l2_input knc1_inputs[KNC1_INPUTS] = {
	{0, "Composite", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG | V4L2_STD_NTSC_M, 0},
	{1, "S-Video", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG | V4L2_STD_NTSC_M, 0},
};

static struct saa7146_extension_ioctls ioctls[] = {
	{VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE},
	{VIDIOC_G_INPUT, SAA7146_EXCLUSIVE},
	{VIDIOC_S_INPUT, SAA7146_EXCLUSIVE},
	{0, 0}
};

static int av_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
{
	struct saa7146_dev *dev = fh->dev;
	struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;

	switch (cmd) {
	case VIDIOC_ENUMINPUT:{
		struct v4l2_input *i = arg;

		dprintk(1, "VIDIOC_ENUMINPUT %d.\n", i->index);
		if (i->index < 0 || i->index >= KNC1_INPUTS) {
			return -EINVAL;
		}
		memcpy(i, &knc1_inputs[i->index], sizeof(struct v4l2_input));
		return 0;
	}
	case VIDIOC_G_INPUT:{
		int *input = (int *) arg;

		*input = budget_av->cur_input;

		dprintk(1, "VIDIOC_G_INPUT %d.\n", *input);
		return 0;
	}
	case VIDIOC_S_INPUT:{
		int input = *(int *) arg;
		dprintk(1, "VIDIOC_S_INPUT %d.\n", input);
		return saa7113_setinput(budget_av, input);
	}
	default:
		return -ENOIOCTLCMD;
	}
	return 0;
}

static struct saa7146_standard standard[] = {
	{.name = "PAL",.id = V4L2_STD_PAL,
	 .v_offset = 0x17,.v_field = 288,
	 .h_offset = 0x14,.h_pixels = 680,
	 .v_max_out = 576,.h_max_out = 768 },

	{.name = "NTSC",.id = V4L2_STD_NTSC,
	 .v_offset = 0x16,.v_field = 240,
	 .h_offset = 0x06,.h_pixels = 708,
	 .v_max_out = 480,.h_max_out = 640, },
};

static struct saa7146_ext_vv vv_data = {
	.inputs = 2,
	.capabilities = 0,	// perhaps later: V4L2_CAP_VBI_CAPTURE, but that need tweaking with the saa7113
	.flags = 0,
	.stds = &standard[0],
	.num_stds = sizeof(standard) / sizeof(struct saa7146_standard),
	.ioctls = &ioctls[0],
	.ioctl = av_ioctl,
};

static struct saa7146_extension budget_extension;

MAKE_BUDGET_INFO(knc1s, "KNC1 DVB-S", BUDGET_KNC1S);
MAKE_BUDGET_INFO(knc1c, "KNC1 DVB-C", BUDGET_KNC1C);
MAKE_BUDGET_INFO(knc1t, "KNC1 DVB-T", BUDGET_KNC1T);
MAKE_BUDGET_INFO(knc1sp, "KNC1 DVB-S Plus", BUDGET_KNC1SP);
MAKE_BUDGET_INFO(knc1cp, "KNC1 DVB-C Plus", BUDGET_KNC1CP);
MAKE_BUDGET_INFO(knc1tp, "KNC1 DVB-T Plus", BUDGET_KNC1TP);
MAKE_BUDGET_INFO(cin1200s, "TerraTec Cinergy 1200 DVB-S", BUDGET_CIN1200S);
MAKE_BUDGET_INFO(cin1200c, "Terratec Cinergy 1200 DVB-C", BUDGET_CIN1200C);
MAKE_BUDGET_INFO(cin1200t, "Terratec Cinergy 1200 DVB-T", BUDGET_CIN1200T);

static struct pci_device_id pci_tbl[] = {
	MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x4f56),
	MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x0010),
	MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011),
	MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020),
	MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021),
	MAKE_EXTENSION_PCI(knc1t, 0x1894, 0x0030),
	MAKE_EXTENSION_PCI(knc1tp, 0x1894, 0x0031),
	MAKE_EXTENSION_PCI(cin1200s, 0x153b, 0x1154),
	MAKE_EXTENSION_PCI(cin1200c, 0x153b, 0x1156),
	MAKE_EXTENSION_PCI(cin1200t, 0x153b, 0x1157),
	{
	 .vendor = 0,
	}
};

MODULE_DEVICE_TABLE(pci, pci_tbl);

static struct saa7146_extension budget_extension = {
	.name = "budget_av",
	.pci_tbl = pci_tbl,

	.module = THIS_MODULE,
	.attach = budget_av_attach,
	.detach = budget_av_detach,

	.irq_mask = MASK_10,
	.irq_func = budget_av_irq,
};

static int __init budget_av_init(void)
{
	return saa7146_register_extension(&budget_extension);
}

static void __exit budget_av_exit(void)
{
	saa7146_unregister_extension(&budget_extension);
}

module_init(budget_av_init);
module_exit(budget_av_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
		   "budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)");