summaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/dm1105/dm1105.c
blob: a609b3a9b14695bfff2a3e53a387c241e4b38107 (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
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
/*
 * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip
 *
 * Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
 *
 * 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/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <media/rc-core.h>

#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"
#include "dvb-pll.h"

#include "stv0299.h"
#include "stv0288.h"
#include "stb6000.h"
#include "si21xx.h"
#include "cx24116.h"
#include "z0194a.h"
#include "ds3000.h"

#define MODULE_NAME "dm1105"

#define UNSET (-1U)

#define DM1105_BOARD_NOAUTO			UNSET
#define DM1105_BOARD_UNKNOWN			0
#define DM1105_BOARD_DVBWORLD_2002		1
#define DM1105_BOARD_DVBWORLD_2004		2
#define DM1105_BOARD_AXESS_DM05			3
#define DM1105_BOARD_UNBRANDED_I2C_ON_GPIO	4

/* ----------------------------------------------- */
/*
 * PCI ID's
 */
#ifndef PCI_VENDOR_ID_TRIGEM
#define PCI_VENDOR_ID_TRIGEM	0x109f
#endif
#ifndef PCI_VENDOR_ID_AXESS
#define PCI_VENDOR_ID_AXESS	0x195d
#endif
#ifndef PCI_DEVICE_ID_DM1105
#define PCI_DEVICE_ID_DM1105	0x036f
#endif
#ifndef PCI_DEVICE_ID_DW2002
#define PCI_DEVICE_ID_DW2002	0x2002
#endif
#ifndef PCI_DEVICE_ID_DW2004
#define PCI_DEVICE_ID_DW2004	0x2004
#endif
#ifndef PCI_DEVICE_ID_DM05
#define PCI_DEVICE_ID_DM05	0x1105
#endif
/* ----------------------------------------------- */
/* sdmc dm1105 registers */

/* TS Control */
#define DM1105_TSCTR				0x00
#define DM1105_DTALENTH				0x04

/* GPIO Interface */
#define DM1105_GPIOVAL				0x08
#define DM1105_GPIOCTR				0x0c

/* PID serial number */
#define DM1105_PIDN				0x10

/* Odd-even secret key select */
#define DM1105_CWSEL				0x14

/* Host Command Interface */
#define DM1105_HOST_CTR				0x18
#define DM1105_HOST_AD				0x1c

/* PCI Interface */
#define DM1105_CR				0x30
#define DM1105_RST				0x34
#define DM1105_STADR				0x38
#define DM1105_RLEN				0x3c
#define DM1105_WRP				0x40
#define DM1105_INTCNT				0x44
#define DM1105_INTMAK				0x48
#define DM1105_INTSTS				0x4c

/* CW Value */
#define DM1105_ODD				0x50
#define DM1105_EVEN				0x58

/* PID Value */
#define DM1105_PID				0x60

/* IR Control */
#define DM1105_IRCTR				0x64
#define DM1105_IRMODE				0x68
#define DM1105_SYSTEMCODE			0x6c
#define DM1105_IRCODE				0x70

/* Unknown Values */
#define DM1105_ENCRYPT				0x74
#define DM1105_VER				0x7c

/* I2C Interface */
#define DM1105_I2CCTR				0x80
#define DM1105_I2CSTS				0x81
#define DM1105_I2CDAT				0x82
#define DM1105_I2C_RA				0x83
/* ----------------------------------------------- */
/* Interrupt Mask Bits */

#define INTMAK_TSIRQM				0x01
#define INTMAK_HIRQM				0x04
#define INTMAK_IRM				0x08
#define INTMAK_ALLMASK				(INTMAK_TSIRQM | \
						INTMAK_HIRQM | \
						INTMAK_IRM)
#define INTMAK_NONEMASK				0x00

/* Interrupt Status Bits */
#define INTSTS_TSIRQ				0x01
#define INTSTS_HIRQ				0x04
#define INTSTS_IR				0x08

/* IR Control Bits */
#define DM1105_IR_EN				0x01
#define DM1105_SYS_CHK				0x02
#define DM1105_REP_FLG				0x08

/* EEPROM addr */
#define IIC_24C01_addr				0xa0
/* Max board count */
#define DM1105_MAX				0x04

#define DRIVER_NAME				"dm1105"
#define DM1105_I2C_GPIO_NAME			"dm1105-gpio"

#define DM1105_DMA_PACKETS			47
#define DM1105_DMA_PACKET_LENGTH		(128*4)
#define DM1105_DMA_BYTES			(128 * 4 * DM1105_DMA_PACKETS)

/*  */
#define GPIO08					(1 << 8)
#define GPIO13					(1 << 13)
#define GPIO14					(1 << 14)
#define GPIO15					(1 << 15)
#define GPIO16					(1 << 16)
#define GPIO17					(1 << 17)
#define GPIO_ALL				0x03ffff

/* GPIO's for LNB power control */
#define DM1105_LNB_MASK				(GPIO_ALL & ~(GPIO14 | GPIO13))
#define DM1105_LNB_OFF				GPIO17
#define DM1105_LNB_13V				(GPIO16 | GPIO08)
#define DM1105_LNB_18V				GPIO08

/* GPIO's for LNB power control for Axess DM05 */
#define DM05_LNB_MASK				(GPIO_ALL & ~(GPIO14 | GPIO13))
#define DM05_LNB_OFF				GPIO17/* actually 13v */
#define DM05_LNB_13V				GPIO17
#define DM05_LNB_18V				(GPIO17 | GPIO16)

/* GPIO's for LNB power control for unbranded with I2C on GPIO */
#define UNBR_LNB_MASK				(GPIO17 | GPIO16)
#define UNBR_LNB_OFF				0
#define UNBR_LNB_13V				GPIO17
#define UNBR_LNB_18V				(GPIO17 | GPIO16)

static unsigned int card[]  = {[0 ... 3] = UNSET };
module_param_array(card,  int, NULL, 0444);
MODULE_PARM_DESC(card, "card type");

static int ir_debug;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding");

static unsigned int dm1105_devcount;

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

struct dm1105_board {
	char	*name;
	struct	{
		u32	mask, off, v13, v18;
	} lnb;
	u32	gpio_scl, gpio_sda;
};

struct dm1105_subid {
	u16     subvendor;
	u16     subdevice;
	u32     card;
};

static const struct dm1105_board dm1105_boards[] = {
	[DM1105_BOARD_UNKNOWN] = {
		.name		= "UNKNOWN/GENERIC",
		.lnb = {
			.mask = DM1105_LNB_MASK,
			.off = DM1105_LNB_OFF,
			.v13 = DM1105_LNB_13V,
			.v18 = DM1105_LNB_18V,
		},
	},
	[DM1105_BOARD_DVBWORLD_2002] = {
		.name		= "DVBWorld PCI 2002",
		.lnb = {
			.mask = DM1105_LNB_MASK,
			.off = DM1105_LNB_OFF,
			.v13 = DM1105_LNB_13V,
			.v18 = DM1105_LNB_18V,
		},
	},
	[DM1105_BOARD_DVBWORLD_2004] = {
		.name		= "DVBWorld PCI 2004",
		.lnb = {
			.mask = DM1105_LNB_MASK,
			.off = DM1105_LNB_OFF,
			.v13 = DM1105_LNB_13V,
			.v18 = DM1105_LNB_18V,
		},
	},
	[DM1105_BOARD_AXESS_DM05] = {
		.name		= "Axess/EasyTv DM05",
		.lnb = {
			.mask = DM05_LNB_MASK,
			.off = DM05_LNB_OFF,
			.v13 = DM05_LNB_13V,
			.v18 = DM05_LNB_18V,
		},
	},
	[DM1105_BOARD_UNBRANDED_I2C_ON_GPIO] = {
		.name		= "Unbranded DM1105 with i2c on GPIOs",
		.lnb = {
			.mask = UNBR_LNB_MASK,
			.off = UNBR_LNB_OFF,
			.v13 = UNBR_LNB_13V,
			.v18 = UNBR_LNB_18V,
		},
		.gpio_scl	= GPIO14,
		.gpio_sda	= GPIO13,
	},
};

static const struct dm1105_subid dm1105_subids[] = {
	{
		.subvendor = 0x0000,
		.subdevice = 0x2002,
		.card      = DM1105_BOARD_DVBWORLD_2002,
	}, {
		.subvendor = 0x0001,
		.subdevice = 0x2002,
		.card      = DM1105_BOARD_DVBWORLD_2002,
	}, {
		.subvendor = 0x0000,
		.subdevice = 0x2004,
		.card      = DM1105_BOARD_DVBWORLD_2004,
	}, {
		.subvendor = 0x0001,
		.subdevice = 0x2004,
		.card      = DM1105_BOARD_DVBWORLD_2004,
	}, {
		.subvendor = 0x195d,
		.subdevice = 0x1105,
		.card      = DM1105_BOARD_AXESS_DM05,
	},
};

static void dm1105_card_list(struct pci_dev *pci)
{
	int i;

	if (0 == pci->subsystem_vendor &&
			0 == pci->subsystem_device) {
		printk(KERN_ERR
			"dm1105: Your board has no valid PCI Subsystem ID\n"
			"dm1105: and thus can't be autodetected\n"
			"dm1105: Please pass card=<n> insmod option to\n"
			"dm1105: workaround that.  Redirect complaints to\n"
			"dm1105: the vendor of the TV card.  Best regards,\n"
			"dm1105: -- tux\n");
	} else {
		printk(KERN_ERR
			"dm1105: Your board isn't known (yet) to the driver.\n"
			"dm1105: You can try to pick one of the existing\n"
			"dm1105: card configs via card=<n> insmod option.\n"
			"dm1105: Updating to the latest version might help\n"
			"dm1105: as well.\n");
	}
	printk(KERN_ERR "Here is a list of valid choices for the card=<n> "
		   "insmod option:\n");
	for (i = 0; i < ARRAY_SIZE(dm1105_boards); i++)
		printk(KERN_ERR "dm1105:    card=%d -> %s\n",
				i, dm1105_boards[i].name);
}

/* infrared remote control */
struct infrared {
	struct rc_dev		*dev;
	char			input_phys[32];
	struct work_struct	work;
	u32			ir_command;
};

struct dm1105_dev {
	/* pci */
	struct pci_dev *pdev;
	u8 __iomem *io_mem;

	/* ir */
	struct infrared ir;

	/* dvb */
	struct dmx_frontend hw_frontend;
	struct dmx_frontend mem_frontend;
	struct dmxdev dmxdev;
	struct dvb_adapter dvb_adapter;
	struct dvb_demux demux;
	struct dvb_frontend *fe;
	struct dvb_net dvbnet;
	unsigned int full_ts_users;
	unsigned int boardnr;
	int nr;

	/* i2c */
	struct i2c_adapter i2c_adap;
	struct i2c_adapter i2c_bb_adap;
	struct i2c_algo_bit_data i2c_bit;

	/* irq */
	struct work_struct work;
	struct workqueue_struct *wq;
	char wqn[16];

	/* dma */
	dma_addr_t dma_addr;
	unsigned char *ts_buf;
	u32 wrp;
	u32 nextwrp;
	u32 buffer_size;
	unsigned int	PacketErrorCount;
	unsigned int dmarst;
	spinlock_t lock;
};

#define dm_io_mem(reg)	((unsigned long)(&dev->io_mem[reg]))

#define dm_readb(reg)		inb(dm_io_mem(reg))
#define dm_writeb(reg, value)	outb((value), (dm_io_mem(reg)))

#define dm_readw(reg)		inw(dm_io_mem(reg))
#define dm_writew(reg, value)	outw((value), (dm_io_mem(reg)))

#define dm_readl(reg)		inl(dm_io_mem(reg))
#define dm_writel(reg, value)	outl((value), (dm_io_mem(reg)))

#define dm_andorl(reg, mask, value) \
	outl((inl(dm_io_mem(reg)) & ~(mask)) |\
		((value) & (mask)), (dm_io_mem(reg)))

#define dm_setl(reg, bit)	dm_andorl((reg), (bit), (bit))
#define dm_clearl(reg, bit)	dm_andorl((reg), (bit), 0)

/* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines,
 so we can use only 3 GPIO's from GPIO15 to GPIO17.
 Here I don't check whether HOST is enebled as it is not implemented yet.
 */
static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff);

}

static void dm1105_gpio_clear(struct dm1105_dev *dev, u32 mask)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		dm_clearl(DM1105_GPIOVAL, mask & 0x0003ffff);

}

static void dm1105_gpio_andor(struct dm1105_dev *dev, u32 mask, u32 val)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		dm_andorl(DM1105_GPIOVAL, mask & 0x0003ffff, val);

}

static u32 dm1105_gpio_get(struct dm1105_dev *dev, u32 mask)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if (mask & 0x0003ffff)
		return dm_readl(DM1105_GPIOVAL) & mask & 0x0003ffff;

	return 0;
}

static void dm1105_gpio_enable(struct dm1105_dev *dev, u32 mask, int asoutput)
{
	if (mask & 0xfffc0000)
		printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__);

	if ((mask & 0x0003ffff) && asoutput)
		dm_clearl(DM1105_GPIOCTR, mask & 0x0003ffff);
	else if ((mask & 0x0003ffff) && !asoutput)
		dm_setl(DM1105_GPIOCTR, mask & 0x0003ffff);

}

static void dm1105_setline(struct dm1105_dev *dev, u32 line, int state)
{
	if (state)
		dm1105_gpio_enable(dev, line, 0);
	else {
		dm1105_gpio_enable(dev, line, 1);
		dm1105_gpio_clear(dev, line);
	}
}

static void dm1105_setsda(void *data, int state)
{
	struct dm1105_dev *dev = data;

	dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_sda, state);
}

static void dm1105_setscl(void *data, int state)
{
	struct dm1105_dev *dev = data;

	dm1105_setline(dev, dm1105_boards[dev->boardnr].gpio_scl, state);
}

static int dm1105_getsda(void *data)
{
	struct dm1105_dev *dev = data;

	return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_sda)
									? 1 : 0;
}

static int dm1105_getscl(void *data)
{
	struct dm1105_dev *dev = data;

	return dm1105_gpio_get(dev, dm1105_boards[dev->boardnr].gpio_scl)
									? 1 : 0;
}

static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap,
			    struct i2c_msg *msgs, int num)
{
	struct dm1105_dev *dev ;

	int addr, rc, i, j, k, len, byte, data;
	u8 status;

	dev = i2c_adap->algo_data;
	for (i = 0; i < num; i++) {
		dm_writeb(DM1105_I2CCTR, 0x00);
		if (msgs[i].flags & I2C_M_RD) {
			/* read bytes */
			addr  = msgs[i].addr << 1;
			addr |= 1;
			dm_writeb(DM1105_I2CDAT, addr);
			for (byte = 0; byte < msgs[i].len; byte++)
				dm_writeb(DM1105_I2CDAT + byte + 1, 0);

			dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
			for (j = 0; j < 55; j++) {
				mdelay(10);
				status = dm_readb(DM1105_I2CSTS);
				if ((status & 0xc0) == 0x40)
					break;
			}
			if (j >= 55)
				return -1;

			for (byte = 0; byte < msgs[i].len; byte++) {
				rc = dm_readb(DM1105_I2CDAT + byte + 1);
				if (rc < 0)
					goto err;
				msgs[i].buf[byte] = rc;
			}
		} else if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) {
			/* prepaired for cx24116 firmware */
			/* Write in small blocks */
			len = msgs[i].len - 1;
			k = 1;
			do {
				dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
				dm_writeb(DM1105_I2CDAT + 1, 0xf7);
				for (byte = 0; byte < (len > 48 ? 48 : len); byte++) {
					data = msgs[i].buf[k + byte];
					dm_writeb(DM1105_I2CDAT + byte + 2, data);
				}
				dm_writeb(DM1105_I2CCTR, 0x82 + (len > 48 ? 48 : len));
				for (j = 0; j < 25; j++) {
					mdelay(10);
					status = dm_readb(DM1105_I2CSTS);
					if ((status & 0xc0) == 0x40)
						break;
				}

				if (j >= 25)
					return -1;

				k += 48;
				len -= 48;
			} while (len > 0);
		} else {
			/* write bytes */
			dm_writeb(DM1105_I2CDAT, msgs[i].addr << 1);
			for (byte = 0; byte < msgs[i].len; byte++) {
				data = msgs[i].buf[byte];
				dm_writeb(DM1105_I2CDAT + byte + 1, data);
			}
			dm_writeb(DM1105_I2CCTR, 0x81 + msgs[i].len);
			for (j = 0; j < 25; j++) {
				mdelay(10);
				status = dm_readb(DM1105_I2CSTS);
				if ((status & 0xc0) == 0x40)
					break;
			}

			if (j >= 25)
				return -1;
		}
	}
	return num;
 err:
	return rc;
}

static u32 functionality(struct i2c_adapter *adap)
{
	return I2C_FUNC_I2C;
}

static struct i2c_algorithm dm1105_algo = {
	.master_xfer   = dm1105_i2c_xfer,
	.functionality = functionality,
};

static inline struct dm1105_dev *feed_to_dm1105_dev(struct dvb_demux_feed *feed)
{
	return container_of(feed->demux, struct dm1105_dev, demux);
}

static inline struct dm1105_dev *frontend_to_dm1105_dev(struct dvb_frontend *fe)
{
	return container_of(fe->dvb, struct dm1105_dev, dvb_adapter);
}

static int dm1105_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
	struct dm1105_dev *dev = frontend_to_dm1105_dev(fe);

	dm1105_gpio_enable(dev, dm1105_boards[dev->boardnr].lnb.mask, 1);
	if (voltage == SEC_VOLTAGE_18)
		dm1105_gpio_andor(dev,
				dm1105_boards[dev->boardnr].lnb.mask,
				dm1105_boards[dev->boardnr].lnb.v18);
	else if (voltage == SEC_VOLTAGE_13)
		dm1105_gpio_andor(dev,
				dm1105_boards[dev->boardnr].lnb.mask,
				dm1105_boards[dev->boardnr].lnb.v13);
	else
		dm1105_gpio_andor(dev,
				dm1105_boards[dev->boardnr].lnb.mask,
				dm1105_boards[dev->boardnr].lnb.off);

	return 0;
}

static void dm1105_set_dma_addr(struct dm1105_dev *dev)
{
	dm_writel(DM1105_STADR, cpu_to_le32(dev->dma_addr));
}

static int __devinit dm1105_dma_map(struct dm1105_dev *dev)
{
	dev->ts_buf = pci_alloc_consistent(dev->pdev,
					6 * DM1105_DMA_BYTES,
					&dev->dma_addr);

	return !dev->ts_buf;
}

static void dm1105_dma_unmap(struct dm1105_dev *dev)
{
	pci_free_consistent(dev->pdev,
			6 * DM1105_DMA_BYTES,
			dev->ts_buf,
			dev->dma_addr);
}

static void dm1105_enable_irqs(struct dm1105_dev *dev)
{
	dm_writeb(DM1105_INTMAK, INTMAK_ALLMASK);
	dm_writeb(DM1105_CR, 1);
}

static void dm1105_disable_irqs(struct dm1105_dev *dev)
{
	dm_writeb(DM1105_INTMAK, INTMAK_IRM);
	dm_writeb(DM1105_CR, 0);
}

static int dm1105_start_feed(struct dvb_demux_feed *f)
{
	struct dm1105_dev *dev = feed_to_dm1105_dev(f);

	if (dev->full_ts_users++ == 0)
		dm1105_enable_irqs(dev);

	return 0;
}

static int dm1105_stop_feed(struct dvb_demux_feed *f)
{
	struct dm1105_dev *dev = feed_to_dm1105_dev(f);

	if (--dev->full_ts_users == 0)
		dm1105_disable_irqs(dev);

	return 0;
}

/* ir work handler */
static void dm1105_emit_key(struct work_struct *work)
{
	struct infrared *ir = container_of(work, struct infrared, work);
	u32 ircom = ir->ir_command;
	u8 data;

	if (ir_debug)
		printk(KERN_INFO "%s: received byte 0x%04x\n", __func__, ircom);

	data = (ircom >> 8) & 0x7f;

	rc_keydown(ir->dev, data, 0);
}

/* work handler */
static void dm1105_dmx_buffer(struct work_struct *work)
{
	struct dm1105_dev *dev = container_of(work, struct dm1105_dev, work);
	unsigned int nbpackets;
	u32 oldwrp = dev->wrp;
	u32 nextwrp = dev->nextwrp;

	if (!((dev->ts_buf[oldwrp] == 0x47) &&
			(dev->ts_buf[oldwrp + 188] == 0x47) &&
			(dev->ts_buf[oldwrp + 188 * 2] == 0x47))) {
		dev->PacketErrorCount++;
		/* bad packet found */
		if ((dev->PacketErrorCount >= 2) &&
				(dev->dmarst == 0)) {
			dm_writeb(DM1105_RST, 1);
			dev->wrp = 0;
			dev->PacketErrorCount = 0;
			dev->dmarst = 0;
			return;
		}
	}

	if (nextwrp < oldwrp) {
		memcpy(dev->ts_buf + dev->buffer_size, dev->ts_buf, nextwrp);
		nbpackets = ((dev->buffer_size - oldwrp) + nextwrp) / 188;
	} else
		nbpackets = (nextwrp - oldwrp) / 188;

	dev->wrp = nextwrp;
	dvb_dmx_swfilter_packets(&dev->demux, &dev->ts_buf[oldwrp], nbpackets);
}

static irqreturn_t dm1105_irq(int irq, void *dev_id)
{
	struct dm1105_dev *dev = dev_id;

	/* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */
	unsigned int intsts = dm_readb(DM1105_INTSTS);
	dm_writeb(DM1105_INTSTS, intsts);

	switch (intsts) {
	case INTSTS_TSIRQ:
	case (INTSTS_TSIRQ | INTSTS_IR):
		dev->nextwrp = dm_readl(DM1105_WRP) - dm_readl(DM1105_STADR);
		queue_work(dev->wq, &dev->work);
		break;
	case INTSTS_IR:
		dev->ir.ir_command = dm_readl(DM1105_IRCODE);
		schedule_work(&dev->ir.work);
		break;
	}

	return IRQ_HANDLED;
}

int __devinit dm1105_ir_init(struct dm1105_dev *dm1105)
{
	struct rc_dev *dev;
	int err = -ENOMEM;

	dev = rc_allocate_device();
	if (!dev)
		return -ENOMEM;

	snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys),
		"pci-%s/ir0", pci_name(dm1105->pdev));

	dev->driver_name = MODULE_NAME;
	dev->map_name = RC_MAP_DM1105_NEC;
	dev->driver_type = RC_DRIVER_SCANCODE;
	dev->input_name = "DVB on-card IR receiver";
	dev->input_phys = dm1105->ir.input_phys;
	dev->input_id.bustype = BUS_PCI;
	dev->input_id.version = 1;
	if (dm1105->pdev->subsystem_vendor) {
		dev->input_id.vendor = dm1105->pdev->subsystem_vendor;
		dev->input_id.product = dm1105->pdev->subsystem_device;
	} else {
		dev->input_id.vendor = dm1105->pdev->vendor;
		dev->input_id.product = dm1105->pdev->device;
	}
	dev->dev.parent = &dm1105->pdev->dev;

	INIT_WORK(&dm1105->ir.work, dm1105_emit_key);

	err = rc_register_device(dev);
	if (err < 0) {
		rc_free_device(dev);
		return err;
	}

	dm1105->ir.dev = dev;
	return 0;
}

void __devexit dm1105_ir_exit(struct dm1105_dev *dm1105)
{
	rc_unregister_device(dm1105->ir.dev);
}

static int __devinit dm1105_hw_init(struct dm1105_dev *dev)
{
	dm1105_disable_irqs(dev);

	dm_writeb(DM1105_HOST_CTR, 0);

	/*DATALEN 188,*/
	dm_writeb(DM1105_DTALENTH, 188);
	/*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/
	dm_writew(DM1105_TSCTR, 0xc10a);

	/* map DMA and set address */
	dm1105_dma_map(dev);
	dm1105_set_dma_addr(dev);
	/* big buffer */
	dm_writel(DM1105_RLEN, 5 * DM1105_DMA_BYTES);
	dm_writeb(DM1105_INTCNT, 47);

	/* IR NEC mode enable */
	dm_writeb(DM1105_IRCTR, (DM1105_IR_EN | DM1105_SYS_CHK));
	dm_writeb(DM1105_IRMODE, 0);
	dm_writew(DM1105_SYSTEMCODE, 0);

	return 0;
}

static void dm1105_hw_exit(struct dm1105_dev *dev)
{
	dm1105_disable_irqs(dev);

	/* IR disable */
	dm_writeb(DM1105_IRCTR, 0);
	dm_writeb(DM1105_INTMAK, INTMAK_NONEMASK);

	dm1105_dma_unmap(dev);
}

static struct stv0299_config sharp_z0194a_config = {
	.demod_address = 0x68,
	.inittab = sharp_z0194a_inittab,
	.mclk = 88000000UL,
	.invert = 1,
	.skip_reinit = 0,
	.lock_output = STV0299_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP1,
	.min_delay_ms = 100,
	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
};

static struct stv0288_config earda_config = {
	.demod_address = 0x68,
	.min_delay_ms = 100,
};

static struct si21xx_config serit_config = {
	.demod_address = 0x68,
	.min_delay_ms = 100,

};

static struct cx24116_config serit_sp2633_config = {
	.demod_address = 0x55,
};

static struct ds3000_config dvbworld_ds3000_config = {
	.demod_address = 0x68,
};

static int __devinit frontend_init(struct dm1105_dev *dev)
{
	int ret;

	switch (dev->boardnr) {
	case DM1105_BOARD_UNBRANDED_I2C_ON_GPIO:
		dm1105_gpio_enable(dev, GPIO15, 1);
		dm1105_gpio_clear(dev, GPIO15);
		msleep(100);
		dm1105_gpio_set(dev, GPIO15);
		msleep(200);
		dev->fe = dvb_attach(
			stv0299_attach, &sharp_z0194a_config,
			&dev->i2c_bb_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
					&dev->i2c_bb_adap, DVB_PLL_OPERA1);
			break;
		}

		dev->fe = dvb_attach(
			stv0288_attach, &earda_config,
			&dev->i2c_bb_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(stb6000_attach, dev->fe, 0x61,
					&dev->i2c_bb_adap);
			break;
		}

		dev->fe = dvb_attach(
			si21xx_attach, &serit_config,
			&dev->i2c_bb_adap);
		if (dev->fe)
			dev->fe->ops.set_voltage = dm1105_set_voltage;
		break;
	case DM1105_BOARD_DVBWORLD_2004:
		dev->fe = dvb_attach(
			cx24116_attach, &serit_sp2633_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			break;
		}

		dev->fe = dvb_attach(
			ds3000_attach, &dvbworld_ds3000_config,
			&dev->i2c_adap);
		if (dev->fe)
			dev->fe->ops.set_voltage = dm1105_set_voltage;

		break;
	case DM1105_BOARD_DVBWORLD_2002:
	case DM1105_BOARD_AXESS_DM05:
	default:
		dev->fe = dvb_attach(
			stv0299_attach, &sharp_z0194a_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(dvb_pll_attach, dev->fe, 0x60,
					&dev->i2c_adap, DVB_PLL_OPERA1);
			break;
		}

		dev->fe = dvb_attach(
			stv0288_attach, &earda_config,
			&dev->i2c_adap);
		if (dev->fe) {
			dev->fe->ops.set_voltage = dm1105_set_voltage;
			dvb_attach(stb6000_attach, dev->fe, 0x61,
					&dev->i2c_adap);
			break;
		}

		dev->fe = dvb_attach(
			si21xx_attach, &serit_config,
			&dev->i2c_adap);
		if (dev->fe)
			dev->fe->ops.set_voltage = dm1105_set_voltage;

	}

	if (!dev->fe) {
		dev_err(&dev->pdev->dev, "could not attach frontend\n");
		return -ENODEV;
	}

	ret = dvb_register_frontend(&dev->dvb_adapter, dev->fe);
	if (ret < 0) {
		if (dev->fe->ops.release)
			dev->fe->ops.release(dev->fe);
		dev->fe = NULL;
		return ret;
	}

	return 0;
}

static void __devinit dm1105_read_mac(struct dm1105_dev *dev, u8 *mac)
{
	static u8 command[1] = { 0x28 };

	struct i2c_msg msg[] = {
		{
			.addr = IIC_24C01_addr >> 1,
			.flags = 0,
			.buf = command,
			.len = 1
		}, {
			.addr = IIC_24C01_addr >> 1,
			.flags = I2C_M_RD,
			.buf = mac,
			.len = 6
		},
	};

	dm1105_i2c_xfer(&dev->i2c_adap, msg , 2);
	dev_info(&dev->pdev->dev, "MAC %pM\n", mac);
}

static int __devinit dm1105_probe(struct pci_dev *pdev,
				  const struct pci_device_id *ent)
{
	struct dm1105_dev *dev;
	struct dvb_adapter *dvb_adapter;
	struct dvb_demux *dvbdemux;
	struct dmx_demux *dmx;
	int ret = -ENOMEM;
	int i;

	dev = kzalloc(sizeof(struct dm1105_dev), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;

	/* board config */
	dev->nr = dm1105_devcount;
	dev->boardnr = UNSET;
	if (card[dev->nr] < ARRAY_SIZE(dm1105_boards))
		dev->boardnr = card[dev->nr];
	for (i = 0; UNSET == dev->boardnr &&
				i < ARRAY_SIZE(dm1105_subids); i++)
		if (pdev->subsystem_vendor ==
			dm1105_subids[i].subvendor &&
				pdev->subsystem_device ==
					dm1105_subids[i].subdevice)
			dev->boardnr = dm1105_subids[i].card;

	if (UNSET == dev->boardnr) {
		dev->boardnr = DM1105_BOARD_UNKNOWN;
		dm1105_card_list(pdev);
	}

	dm1105_devcount++;
	dev->pdev = pdev;
	dev->buffer_size = 5 * DM1105_DMA_BYTES;
	dev->PacketErrorCount = 0;
	dev->dmarst = 0;

	ret = pci_enable_device(pdev);
	if (ret < 0)
		goto err_kfree;

	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
	if (ret < 0)
		goto err_pci_disable_device;

	pci_set_master(pdev);

	ret = pci_request_regions(pdev, DRIVER_NAME);
	if (ret < 0)
		goto err_pci_disable_device;

	dev->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
	if (!dev->io_mem) {
		ret = -EIO;
		goto err_pci_release_regions;
	}

	spin_lock_init(&dev->lock);
	pci_set_drvdata(pdev, dev);

	ret = dm1105_hw_init(dev);
	if (ret < 0)
		goto err_pci_iounmap;

	/* i2c */
	i2c_set_adapdata(&dev->i2c_adap, dev);
	strcpy(dev->i2c_adap.name, DRIVER_NAME);
	dev->i2c_adap.owner = THIS_MODULE;
	dev->i2c_adap.dev.parent = &pdev->dev;
	dev->i2c_adap.algo = &dm1105_algo;
	dev->i2c_adap.algo_data = dev;
	ret = i2c_add_adapter(&dev->i2c_adap);

	if (ret < 0)
		goto err_dm1105_hw_exit;

	i2c_set_adapdata(&dev->i2c_bb_adap, dev);
	strcpy(dev->i2c_bb_adap.name, DM1105_I2C_GPIO_NAME);
	dev->i2c_bb_adap.owner = THIS_MODULE;
	dev->i2c_bb_adap.dev.parent = &pdev->dev;
	dev->i2c_bb_adap.algo_data = &dev->i2c_bit;
	dev->i2c_bit.data = dev;
	dev->i2c_bit.setsda = dm1105_setsda;
	dev->i2c_bit.setscl = dm1105_setscl;
	dev->i2c_bit.getsda = dm1105_getsda;
	dev->i2c_bit.getscl = dm1105_getscl;
	dev->i2c_bit.udelay = 10;
	dev->i2c_bit.timeout = 10;

	/* Raise SCL and SDA */
	dm1105_setsda(dev, 1);
	dm1105_setscl(dev, 1);

	ret = i2c_bit_add_bus(&dev->i2c_bb_adap);
	if (ret < 0)
		goto err_i2c_del_adapter;

	/* dvb */
	ret = dvb_register_adapter(&dev->dvb_adapter, DRIVER_NAME,
					THIS_MODULE, &pdev->dev, adapter_nr);
	if (ret < 0)
		goto err_i2c_del_adapters;

	dvb_adapter = &dev->dvb_adapter;

	dm1105_read_mac(dev, dvb_adapter->proposed_mac);

	dvbdemux = &dev->demux;
	dvbdemux->filternum = 256;
	dvbdemux->feednum = 256;
	dvbdemux->start_feed = dm1105_start_feed;
	dvbdemux->stop_feed = dm1105_stop_feed;
	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
			DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
	ret = dvb_dmx_init(dvbdemux);
	if (ret < 0)
		goto err_dvb_unregister_adapter;

	dmx = &dvbdemux->dmx;
	dev->dmxdev.filternum = 256;
	dev->dmxdev.demux = dmx;
	dev->dmxdev.capabilities = 0;

	ret = dvb_dmxdev_init(&dev->dmxdev, dvb_adapter);
	if (ret < 0)
		goto err_dvb_dmx_release;

	dev->hw_frontend.source = DMX_FRONTEND_0;

	ret = dmx->add_frontend(dmx, &dev->hw_frontend);
	if (ret < 0)
		goto err_dvb_dmxdev_release;

	dev->mem_frontend.source = DMX_MEMORY_FE;

	ret = dmx->add_frontend(dmx, &dev->mem_frontend);
	if (ret < 0)
		goto err_remove_hw_frontend;

	ret = dmx->connect_frontend(dmx, &dev->hw_frontend);
	if (ret < 0)
		goto err_remove_mem_frontend;

	ret = dvb_net_init(dvb_adapter, &dev->dvbnet, dmx);
	if (ret < 0)
		goto err_disconnect_frontend;

	ret = frontend_init(dev);
	if (ret < 0)
		goto err_dvb_net;

	dm1105_ir_init(dev);

	INIT_WORK(&dev->work, dm1105_dmx_buffer);
	sprintf(dev->wqn, "%s/%d", dvb_adapter->name, dvb_adapter->num);
	dev->wq = create_singlethread_workqueue(dev->wqn);
	if (!dev->wq)
		goto err_dvb_net;

	ret = request_irq(pdev->irq, dm1105_irq, IRQF_SHARED,
						DRIVER_NAME, dev);
	if (ret < 0)
		goto err_workqueue;

	return 0;

err_workqueue:
	destroy_workqueue(dev->wq);
err_dvb_net:
	dvb_net_release(&dev->dvbnet);
err_disconnect_frontend:
	dmx->disconnect_frontend(dmx);
err_remove_mem_frontend:
	dmx->remove_frontend(dmx, &dev->mem_frontend);
err_remove_hw_frontend:
	dmx->remove_frontend(dmx, &dev->hw_frontend);
err_dvb_dmxdev_release:
	dvb_dmxdev_release(&dev->dmxdev);
err_dvb_dmx_release:
	dvb_dmx_release(dvbdemux);
err_dvb_unregister_adapter:
	dvb_unregister_adapter(dvb_adapter);
err_i2c_del_adapters:
	i2c_del_adapter(&dev->i2c_bb_adap);
err_i2c_del_adapter:
	i2c_del_adapter(&dev->i2c_adap);
err_dm1105_hw_exit:
	dm1105_hw_exit(dev);
err_pci_iounmap:
	pci_iounmap(pdev, dev->io_mem);
err_pci_release_regions:
	pci_release_regions(pdev);
err_pci_disable_device:
	pci_disable_device(pdev);
err_kfree:
	pci_set_drvdata(pdev, NULL);
	kfree(dev);
	return ret;
}

static void __devexit dm1105_remove(struct pci_dev *pdev)
{
	struct dm1105_dev *dev = pci_get_drvdata(pdev);
	struct dvb_adapter *dvb_adapter = &dev->dvb_adapter;
	struct dvb_demux *dvbdemux = &dev->demux;
	struct dmx_demux *dmx = &dvbdemux->dmx;

	dm1105_ir_exit(dev);
	dmx->close(dmx);
	dvb_net_release(&dev->dvbnet);
	if (dev->fe)
		dvb_unregister_frontend(dev->fe);

	dmx->disconnect_frontend(dmx);
	dmx->remove_frontend(dmx, &dev->mem_frontend);
	dmx->remove_frontend(dmx, &dev->hw_frontend);
	dvb_dmxdev_release(&dev->dmxdev);
	dvb_dmx_release(dvbdemux);
	dvb_unregister_adapter(dvb_adapter);
	if (&dev->i2c_adap)
		i2c_del_adapter(&dev->i2c_adap);

	dm1105_hw_exit(dev);
	synchronize_irq(pdev->irq);
	free_irq(pdev->irq, dev);
	pci_iounmap(pdev, dev->io_mem);
	pci_release_regions(pdev);
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
	dm1105_devcount--;
	kfree(dev);
}

static struct pci_device_id dm1105_id_table[] __devinitdata = {
	{
		.vendor = PCI_VENDOR_ID_TRIGEM,
		.device = PCI_DEVICE_ID_DM1105,
		.subvendor = PCI_ANY_ID,
		.subdevice = PCI_ANY_ID,
	}, {
		.vendor = PCI_VENDOR_ID_AXESS,
		.device = PCI_DEVICE_ID_DM05,
		.subvendor = PCI_ANY_ID,
		.subdevice = PCI_ANY_ID,
	}, {
		/* empty */
	},
};

MODULE_DEVICE_TABLE(pci, dm1105_id_table);

static struct pci_driver dm1105_driver = {
	.name = DRIVER_NAME,
	.id_table = dm1105_id_table,
	.probe = dm1105_probe,
	.remove = __devexit_p(dm1105_remove),
};

static int __init dm1105_init(void)
{
	return pci_register_driver(&dm1105_driver);
}

static void __exit dm1105_exit(void)
{
	pci_unregister_driver(&dm1105_driver);
}

module_init(dm1105_init);
module_exit(dm1105_exit);

MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
MODULE_DESCRIPTION("SDMC DM1105 DVB driver");
MODULE_LICENSE("GPL");
OpenPOWER on IntegriCloud