summaryrefslogtreecommitdiff
path: root/drivers/media/dvb/ttpci/av7110_hw.c
blob: 7442f56a72ecc77320f70d13eb68c5e8b9049f75 (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
/*
 * av7110_hw.c: av7110 low level hardware access and firmware interface
 *
 * Copyright (C) 1999-2002 Ralph  Metzler
 *                       & Marcus Metzler for convergence integrated media GmbH
 *
 * originally based on code by:
 * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 *
 * the project's page is at http://www.linuxtv.org/dvb/
 */

/* for debugging ARM communication: */
//#define COM_DEBUG

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

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

#define _NOHANDSHAKE

/****************************************************************************
 * DEBI functions
 ****************************************************************************/

/* This DEBI code is based on the Stradis driver
   by Nathan Laredo <laredo@gnu.org> */

int av7110_debiwrite(struct av7110 *av7110, u32 config,
		     int addr, u32 val, int count)
{
	struct saa7146_dev *dev = av7110->dev;

	if (count <= 0 || count > 32764) {
		printk("%s: invalid count %d\n", __FUNCTION__, count);
		return -1;
	}
	if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
		printk("%s: wait_for_debi_done failed\n", __FUNCTION__);
		return -1;
	}
	saa7146_write(dev, DEBI_CONFIG, config);
	if (count <= 4)		/* immediate transfer */
		saa7146_write(dev, DEBI_AD, val);
	else			/* block transfer */
		saa7146_write(dev, DEBI_AD, av7110->debi_bus);
	saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
	saa7146_write(dev, MC2, (2 << 16) | 2);
	return 0;
}

u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, int count)
{
	struct saa7146_dev *dev = av7110->dev;
	u32 result = 0;

	if (count > 32764 || count <= 0) {
		printk("%s: invalid count %d\n", __FUNCTION__, count);
		return 0;
	}
	if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
		printk("%s: wait_for_debi_done #1 failed\n", __FUNCTION__);
		return 0;
	}
	saa7146_write(dev, DEBI_AD, av7110->debi_bus);
	saa7146_write(dev, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));

	saa7146_write(dev, DEBI_CONFIG, config);
	saa7146_write(dev, MC2, (2 << 16) | 2);
	if (count > 4)
		return count;
	if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
		printk("%s: wait_for_debi_done #2 failed\n", __FUNCTION__);
		return 0;
	}

	result = saa7146_read(dev, DEBI_AD);
	result &= (0xffffffffUL >> ((4 - count) * 8));
	return result;
}



/* av7110 ARM core boot stuff */
#if 0
void av7110_reset_arm(struct av7110 *av7110)
{
	saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTLO);

	/* Disable DEBI and GPIO irq */
	SAA7146_IER_DISABLE(av7110->dev, MASK_19 | MASK_03);
	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);

	saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTHI);
	msleep(30);	/* the firmware needs some time to initialize */

	ARM_ResetMailBox(av7110);

	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
	SAA7146_IER_ENABLE(av7110->dev, MASK_03);

	av7110->arm_ready = 1;
	dprintk(1, "reset ARM\n");
}
#endif  /*  0  */

static int waitdebi(struct av7110 *av7110, int adr, int state)
{
	int k;

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

	for (k = 0; k < 100; k++) {
		if (irdebi(av7110, DEBINOSWAP, adr, 0, 2) == state)
			return 0;
		udelay(5);
	}
	return -ETIMEDOUT;
}

static int load_dram(struct av7110 *av7110, u32 *data, int len)
{
	int i;
	int blocks, rest;
	u32 base, bootblock = BOOT_BLOCK;

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

	blocks = len / BOOT_MAX_SIZE;
	rest = len % BOOT_MAX_SIZE;
	base = DRAM_START_CODE;

	for (i = 0; i < blocks; i++) {
		if (waitdebi(av7110, BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
			printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at block %d\n", i);
			return -ETIMEDOUT;
		}
		dprintk(4, "writing DRAM block %d\n", i);
		mwdebi(av7110, DEBISWAB, bootblock,
		       ((char*)data) + i * BOOT_MAX_SIZE, BOOT_MAX_SIZE);
		bootblock ^= 0x1400;
		iwdebi(av7110, DEBISWAB, BOOT_BASE, swab32(base), 4);
		iwdebi(av7110, DEBINOSWAP, BOOT_SIZE, BOOT_MAX_SIZE, 2);
		iwdebi(av7110, DEBINOSWAP, BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
		base += BOOT_MAX_SIZE;
	}

	if (rest > 0) {
		if (waitdebi(av7110, BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
			printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at last block\n");
			return -ETIMEDOUT;
		}
		if (rest > 4)
			mwdebi(av7110, DEBISWAB, bootblock,
			       ((char*)data) + i * BOOT_MAX_SIZE, rest);
		else
			mwdebi(av7110, DEBISWAB, bootblock,
			       ((char*)data) + i * BOOT_MAX_SIZE - 4, rest + 4);

		iwdebi(av7110, DEBISWAB, BOOT_BASE, swab32(base), 4);
		iwdebi(av7110, DEBINOSWAP, BOOT_SIZE, rest, 2);
		iwdebi(av7110, DEBINOSWAP, BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
	}
	if (waitdebi(av7110, BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
		printk(KERN_ERR "dvb-ttpci: load_dram(): timeout after last block\n");
		return -ETIMEDOUT;
	}
	iwdebi(av7110, DEBINOSWAP, BOOT_SIZE, 0, 2);
	iwdebi(av7110, DEBINOSWAP, BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
	if (waitdebi(av7110, BOOT_STATE, BOOTSTATE_BOOT_COMPLETE) < 0) {
		printk(KERN_ERR "dvb-ttpci: load_dram(): final handshake timeout\n");
		return -ETIMEDOUT;
	}
	return 0;
}


/* we cannot write av7110 DRAM directly, so load a bootloader into
 * the DPRAM which implements a simple boot protocol */
static u8 bootcode[] = {
  0xea, 0x00, 0x00, 0x0e, 0xe1, 0xb0, 0xf0, 0x0e, 0xe2, 0x5e, 0xf0, 0x04,
  0xe2, 0x5e, 0xf0, 0x04, 0xe2, 0x5e, 0xf0, 0x08, 0xe2, 0x5e, 0xf0, 0x04,
  0xe2, 0x5e, 0xf0, 0x04, 0xe2, 0x5e, 0xf0, 0x04, 0x2c, 0x00, 0x00, 0x24,
  0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x34,
  0x00, 0x00, 0x00, 0x00, 0xa5, 0xa5, 0x5a, 0x5a, 0x00, 0x1f, 0x15, 0x55,
  0x00, 0x00, 0x00, 0x09, 0xe5, 0x9f, 0xd0, 0x7c, 0xe5, 0x9f, 0x40, 0x74,
  0xe3, 0xa0, 0x00, 0x00, 0xe5, 0x84, 0x00, 0x00, 0xe5, 0x84, 0x00, 0x04,
  0xe5, 0x9f, 0x10, 0x70, 0xe5, 0x9f, 0x20, 0x70, 0xe5, 0x9f, 0x30, 0x64,
  0xe8, 0xb1, 0x1f, 0xe0, 0xe8, 0xa3, 0x1f, 0xe0, 0xe1, 0x51, 0x00, 0x02,
  0xda, 0xff, 0xff, 0xfb, 0xe5, 0x9f, 0xf0, 0x50, 0xe1, 0xd4, 0x10, 0xb0,
  0xe3, 0x51, 0x00, 0x00, 0x0a, 0xff, 0xff, 0xfc, 0xe1, 0xa0, 0x10, 0x0d,
  0xe5, 0x94, 0x30, 0x04, 0xe1, 0xd4, 0x20, 0xb2, 0xe2, 0x82, 0x20, 0x3f,
  0xe1, 0xb0, 0x23, 0x22, 0x03, 0xa0, 0x00, 0x02, 0xe1, 0xc4, 0x00, 0xb0,
  0x0a, 0xff, 0xff, 0xf4, 0xe8, 0xb1, 0x1f, 0xe0, 0xe8, 0xa3, 0x1f, 0xe0,
  0xe8, 0xb1, 0x1f, 0xe0, 0xe8, 0xa3, 0x1f, 0xe0, 0xe2, 0x52, 0x20, 0x01,
  0x1a, 0xff, 0xff, 0xf9, 0xe2, 0x2d, 0xdb, 0x05, 0xea, 0xff, 0xff, 0xec,
  0x2c, 0x00, 0x03, 0xf8, 0x2c, 0x00, 0x04, 0x00, 0x9e, 0x00, 0x08, 0x00,
  0x2c, 0x00, 0x00, 0x74, 0x2c, 0x00, 0x00, 0xc0
};

int av7110_bootarm(struct av7110 *av7110)
{
	struct saa7146_dev *dev = av7110->dev;
	u32 ret;
	int i;

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

	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);

	/* Disable DEBI and GPIO irq */
	SAA7146_IER_DISABLE(av7110->dev, MASK_03 | MASK_19);
	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);

	/* enable DEBI */
	saa7146_write(av7110->dev, MC1, 0x08800880);
	saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
	saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));

	/* test DEBI */
	iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
	if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
		printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: "
		       "%08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
		       ret, 0x10325476);
		return -1;
	}
	for (i = 0; i < 8192; i += 4)
		iwdebi(av7110, DEBISWAP, DPRAM_BASE + i, 0x00, 4);
	dprintk(2, "debi test OK\n");

	/* boot */
	dprintk(1, "load boot code\n");
	saa7146_setgpio(dev, ARM_IRQ_LINE, SAA7146_GPIO_IRQLO);
	//saa7146_setgpio(dev, DEBI_DONE_LINE, SAA7146_GPIO_INPUT);
	//saa7146_setgpio(dev, 3, SAA7146_GPIO_INPUT);

	mwdebi(av7110, DEBISWAB, DPRAM_BASE, bootcode, sizeof(bootcode));
	iwdebi(av7110, DEBINOSWAP, BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);

	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
		       "saa7146_wait_for_debi_done() timed out\n");
		return -ETIMEDOUT;
	}
	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
	mdelay(1);

	dprintk(1, "load dram code\n");
	if (load_dram(av7110, (u32 *)av7110->bin_root, av7110->size_root) < 0) {
		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
		       "load_dram() failed\n");
		return -1;
	}

	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
	mdelay(1);

	dprintk(1, "load dpram code\n");
	mwdebi(av7110, DEBISWAB, DPRAM_BASE, av7110->bin_dpram, av7110->size_dpram);

	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): "
		       "saa7146_wait_for_debi_done() timed out after loading DRAM\n");
		return -ETIMEDOUT;
	}
	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
	msleep(30);	/* the firmware needs some time to initialize */

	//ARM_ClearIrq(av7110);
	ARM_ResetMailBox(av7110);
	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
	SAA7146_IER_ENABLE(av7110->dev, MASK_03);

	av7110->arm_errors = 0;
	av7110->arm_ready = 1;
	return 0;
}


/****************************************************************************
 * DEBI command polling
 ****************************************************************************/

int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
{
	unsigned long start;
	u32 stat;
	int err;

	if (FW_VERSION(av7110->arm_app) <= 0x261c) {
		/* not supported by old firmware */
		msleep(50);
		return 0;
	}

	/* new firmware */
	start = jiffies;
	for (;;) {
		err = time_after(jiffies, start + ARM_WAIT_FREE);
		if (down_interruptible(&av7110->dcomlock))
			return -ERESTARTSYS;
		stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
		up(&av7110->dcomlock);
		if ((stat & flags) == 0)
			break;
		if (err) {
			printk(KERN_ERR "%s: timeout waiting for MSGSTATE %04x\n",
				__FUNCTION__, stat & flags);
			return -ETIMEDOUT;
		}
		msleep(1);
	}
	return 0;
}

static int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
{
	int i;
	unsigned long start;
	char *type = NULL;
	u16 flags[2] = {0, 0};
	u32 stat;
	int err;

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

	if (!av7110->arm_ready) {
		dprintk(1, "arm not ready.\n");
		return -ENXIO;
	}

	start = jiffies;
	while (1) {
		err = time_after(jiffies, start + ARM_WAIT_FREE);
		if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
			break;
		if (err) {
			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND idle\n", __FUNCTION__);
			return -ETIMEDOUT;
		}
		msleep(1);
	}

	if (FW_VERSION(av7110->arm_app) <= 0x261f)
		wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0xffff, 2);

#ifndef _NOHANDSHAKE
	start = jiffies;
	while (1) {
		err = time_after(jiffies, start + ARM_WAIT_SHAKE);
		if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
			break;
		if (err) {
			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for HANDSHAKE_REG\n", __FUNCTION__);
			return -ETIMEDOUT;
		}
		msleep(1);
	}
#endif

	switch ((buf[0] >> 8) & 0xff) {
	case COMTYPE_PIDFILTER:
	case COMTYPE_ENCODER:
	case COMTYPE_REC_PLAY:
	case COMTYPE_MPEGDECODER:
		type = "MSG";
		flags[0] = GPMQOver;
		flags[1] = GPMQFull;
		break;
	case COMTYPE_OSD:
		type = "OSD";
		flags[0] = OSDQOver;
		flags[1] = OSDQFull;
		break;
	case COMTYPE_MISC:
		if (FW_VERSION(av7110->arm_app) >= 0x261d) {
			type = "MSG";
			flags[0] = GPMQOver;
			flags[1] = GPMQBusy;
		}
		break;
	default:
		break;
	}

	if (type != NULL) {
		/* non-immediate COMMAND type */
		start = jiffies;
		for (;;) {
			err = time_after(jiffies, start + ARM_WAIT_FREE);
			stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
			if (stat & flags[0]) {
				printk(KERN_ERR "%s: %s QUEUE overflow\n",
					__FUNCTION__, type);
				return -1;
			}
			if ((stat & flags[1]) == 0)
				break;
			if (err) {
				printk(KERN_ERR "%s: timeout waiting on busy %s QUEUE\n",
					__FUNCTION__, type);
				return -ETIMEDOUT;
			}
			msleep(1);
		}
	}

	for (i = 2; i < length; i++)
		wdebi(av7110, DEBINOSWAP, COMMAND + 2 * i, (u32) buf[i], 2);

	if (length)
		wdebi(av7110, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
	else
		wdebi(av7110, DEBINOSWAP, COMMAND + 2, 0, 2);

	wdebi(av7110, DEBINOSWAP, COMMAND, (u32) buf[0], 2);

	if (FW_VERSION(av7110->arm_app) <= 0x261f)
		wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0x0000, 2);

#ifdef COM_DEBUG
	start = jiffies;
	while (1) {
		err = time_after(jiffies, start + ARM_WAIT_FREE);
		if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
			break;
		if (err) {
			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND %d to complete\n",
			       __FUNCTION__, (buf[0] >> 8) & 0xff);
			return -ETIMEDOUT;
		}
		msleep(1);
	}

	stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
	if (stat & GPMQOver) {
		printk(KERN_ERR "dvb-ttpci: %s(): GPMQOver\n", __FUNCTION__);
		return -ENOSPC;
	}
	else if (stat & OSDQOver) {
		printk(KERN_ERR "dvb-ttpci: %s(): OSDQOver\n", __FUNCTION__);
		return -ENOSPC;
	}
#endif

	return 0;
}

static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
{
	int ret;

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

	if (!av7110->arm_ready) {
		dprintk(1, "arm not ready.\n");
		return -1;
	}
	if (down_interruptible(&av7110->dcomlock))
		return -ERESTARTSYS;

	ret = __av7110_send_fw_cmd(av7110, buf, length);
	up(&av7110->dcomlock);
	if (ret && ret!=-ERESTARTSYS)
		printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
		       __FUNCTION__, ret);
	return ret;
}

int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...)
{
	va_list args;
	u16 buf[num + 2];
	int i, ret;

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

	buf[0] = ((type << 8) | com);
	buf[1] = num;

	if (num) {
		va_start(args, num);
		for (i = 0; i < num; i++)
			buf[i + 2] = va_arg(args, u32);
		va_end(args);
	}

	ret = av7110_send_fw_cmd(av7110, buf, num + 2);
	if (ret && ret != -ERESTARTSYS)
		printk(KERN_ERR "dvb-ttpci: av7110_fw_cmd error %d\n", ret);
	return ret;
}

#if 0
int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
{
	int i, ret;
	u16 cmd[18] = { ((COMTYPE_COMMON_IF << 8) + subcom),
		16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

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

	for(i = 0; i < len && i < 32; i++)
	{
		if(i % 2 == 0)
			cmd[(i / 2) + 2] = (u16)(buf[i]) << 8;
		else
			cmd[(i / 2) + 2] |= buf[i];
	}

	ret = av7110_send_fw_cmd(av7110, cmd, 18);
	if (ret && ret != -ERESTARTSYS)
		printk(KERN_ERR "dvb-ttpci: av7110_send_ci_cmd error %d\n", ret);
	return ret;
}
#endif  /*  0  */

int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
		      int request_buf_len, u16 *reply_buf, int reply_buf_len)
{
	int err;
	s16 i;
	unsigned long start;
#ifdef COM_DEBUG
	u32 stat;
#endif

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

	if (!av7110->arm_ready) {
		dprintk(1, "arm not ready.\n");
		return -1;
	}

	if (down_interruptible(&av7110->dcomlock))
		return -ERESTARTSYS;

	if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
		up(&av7110->dcomlock);
		printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
		return err;
	}

	start = jiffies;
	while (1) {
		err = time_after(jiffies, start + ARM_WAIT_FREE);
		if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
			break;
		if (err) {
			printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __FUNCTION__);
			up(&av7110->dcomlock);
			return -ETIMEDOUT;
		}
#ifdef _NOHANDSHAKE
		msleep(1);
#endif
	}

#ifndef _NOHANDSHAKE
	start = jiffies;
	while (1) {
		err = time_after(jiffies, start + ARM_WAIT_SHAKE);
		if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
			break;
		if (err) {
			printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __FUNCTION__);
			up(&av7110->dcomlock);
			return -ETIMEDOUT;
		}
		msleep(1);
	}
#endif

#ifdef COM_DEBUG
	stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
	if (stat & GPMQOver) {
		printk(KERN_ERR "%s: GPMQOver\n", __FUNCTION__);
		up(&av7110->dcomlock);
		return -1;
	}
	else if (stat & OSDQOver) {
		printk(KERN_ERR "%s: OSDQOver\n", __FUNCTION__);
		up(&av7110->dcomlock);
		return -1;
	}
#endif

	for (i = 0; i < reply_buf_len; i++)
		reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);

	up(&av7110->dcomlock);
	return 0;
}

static int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
{
	int ret;
	ret = av7110_fw_request(av7110, &tag, 0, buf, length);
	if (ret)
		printk(KERN_ERR "dvb-ttpci: av7110_fw_query error %d\n", ret);
	return ret;
}


/****************************************************************************
 * Firmware commands
 ****************************************************************************/

/* get version of the firmware ROM, RTSL, video ucode and ARM application  */
int av7110_firmversion(struct av7110 *av7110)
{
	u16 buf[20];
	u16 tag = ((COMTYPE_REQUEST << 8) + ReqVersion);

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

	if (av7110_fw_query(av7110, tag, buf, 16)) {
		printk("dvb-ttpci: failed to boot firmware @ card %d\n",
		       av7110->dvb_adapter.num);
		return -EIO;
	}

	av7110->arm_fw = (buf[0] << 16) + buf[1];
	av7110->arm_rtsl = (buf[2] << 16) + buf[3];
	av7110->arm_vid = (buf[4] << 16) + buf[5];
	av7110->arm_app = (buf[6] << 16) + buf[7];
	av7110->avtype = (buf[8] << 16) + buf[9];

	printk("dvb-ttpci: info @ card %d: firm %08x, rtsl %08x, vid %08x, app %08x\n",
	       av7110->dvb_adapter.num, av7110->arm_fw,
	       av7110->arm_rtsl, av7110->arm_vid, av7110->arm_app);

	/* print firmware capabilities */
	if (FW_CI_LL_SUPPORT(av7110->arm_app))
		printk("dvb-ttpci: firmware @ card %d supports CI link layer interface\n",
		       av7110->dvb_adapter.num);
	else
		printk("dvb-ttpci: no firmware support for CI link layer interface @ card %d\n",
		       av7110->dvb_adapter.num);

	return 0;
}


int av7110_diseqc_send(struct av7110 *av7110, int len, u8 *msg, unsigned long burst)
{
	int i, ret;
	u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) + SendDiSEqC),
			16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

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

	if (len > 10)
		len = 10;

	buf[1] = len + 2;
	buf[2] = len;

	if (burst != -1)
		buf[3] = burst ? 0x01 : 0x00;
	else
		buf[3] = 0xffff;

	for (i = 0; i < len; i++)
		buf[i + 4] = msg[i];

	ret = av7110_send_fw_cmd(av7110, buf, 18);
	if (ret && ret!=-ERESTARTSYS)
		printk(KERN_ERR "dvb-ttpci: av7110_diseqc_send error %d\n", ret);
	return ret;
}


#ifdef CONFIG_DVB_AV7110_OSD

static inline int SetColorBlend(struct av7110 *av7110, u8 windownr)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, SetCBlend, 1, windownr);
}

static inline int SetBlend_(struct av7110 *av7110, u8 windownr,
		     enum av7110_osd_palette_type colordepth, u16 index, u8 blending)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, SetBlend, 4,
			     windownr, colordepth, index, blending);
}

static inline int SetColor_(struct av7110 *av7110, u8 windownr,
		     enum av7110_osd_palette_type colordepth, u16 index, u16 colorhi, u16 colorlo)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, SetColor, 5,
			     windownr, colordepth, index, colorhi, colorlo);
}

static inline int SetFont(struct av7110 *av7110, u8 windownr, u8 fontsize,
			  u16 colorfg, u16 colorbg)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Font, 4,
			     windownr, fontsize, colorfg, colorbg);
}

static int FlushText(struct av7110 *av7110)
{
	unsigned long start;
	int err;

	if (down_interruptible(&av7110->dcomlock))
		return -ERESTARTSYS;
	start = jiffies;
	while (1) {
		err = time_after(jiffies, start + ARM_WAIT_OSD);
		if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
			break;
		if (err) {
			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
			       __FUNCTION__);
			up(&av7110->dcomlock);
			return -ETIMEDOUT;
		}
		msleep(1);
	}
	up(&av7110->dcomlock);
	return 0;
}

static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
{
	int i, ret;
	unsigned long start;
	int length = strlen(buf) + 1;
	u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };

	if (down_interruptible(&av7110->dcomlock))
		return -ERESTARTSYS;

	start = jiffies;
	while (1) {
		ret = time_after(jiffies, start + ARM_WAIT_OSD);
		if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
			break;
		if (ret) {
			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
			       __FUNCTION__);
			up(&av7110->dcomlock);
			return -ETIMEDOUT;
		}
		msleep(1);
	}
#ifndef _NOHANDSHAKE
	start = jiffies;
	while (1) {
		ret = time_after(jiffies, start + ARM_WAIT_SHAKE);
		if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
			break;
		if (ret) {
			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
			       __FUNCTION__);
			up(&av7110->dcomlock);
			return -ETIMEDOUT;
		}
		msleep(1);
	}
#endif
	for (i = 0; i < length / 2; i++)
		wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2,
		      swab16(*(u16 *)(buf + 2 * i)), 2);
	if (length & 1)
		wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
	ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
	up(&av7110->dcomlock);
	if (ret && ret!=-ERESTARTSYS)
		printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
	return ret;
}

static inline int DrawLine(struct av7110 *av7110, u8 windownr,
			   u16 x, u16 y, u16 dx, u16 dy, u16 color)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, DLine, 6,
			     windownr, x, y, dx, dy, color);
}

static inline int DrawBlock(struct av7110 *av7110, u8 windownr,
			    u16 x, u16 y, u16 dx, u16 dy, u16 color)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, DBox, 6,
			     windownr, x, y, dx, dy, color);
}

static inline int HideWindow(struct av7110 *av7110, u8 windownr)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WHide, 1, windownr);
}

static inline int MoveWindowRel(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveD, 3, windownr, x, y);
}

static inline int MoveWindowAbs(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveA, 3, windownr, x, y);
}

static inline int DestroyOSDWindow(struct av7110 *av7110, u8 windownr)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WDestroy, 1, windownr);
}

static inline int CreateOSDWindow(struct av7110 *av7110, u8 windownr,
				  osd_raw_window_t disptype,
				  u16 width, u16 height)
{
	return av7110_fw_cmd(av7110, COMTYPE_OSD, WCreate, 4,
			     windownr, disptype, width, height);
}


static enum av7110_osd_palette_type bpp2pal[8] = {
	Pal1Bit, Pal2Bit, 0, Pal4Bit, 0, 0, 0, Pal8Bit
};
static osd_raw_window_t bpp2bit[8] = {
	OSD_BITMAP1, OSD_BITMAP2, 0, OSD_BITMAP4, 0, 0, 0, OSD_BITMAP8
};

static inline int WaitUntilBmpLoaded(struct av7110 *av7110)
{
	int ret = wait_event_interruptible_timeout(av7110->bmpq,
				av7110->bmp_state != BMP_LOADING, 10*HZ);
	if (ret == -ERESTARTSYS)
		return ret;
	if (ret == 0) {
		printk("dvb-ttpci: warning: timeout waiting in LoadBitmap: %d, %d\n",
		       ret, av7110->bmp_state);
		av7110->bmp_state = BMP_NONE;
		return -ETIMEDOUT;
	}
	return 0;
}

static inline int LoadBitmap(struct av7110 *av7110,
			     u16 dx, u16 dy, int inc, u8 __user * data)
{
	u16 format;
	int bpp;
	int i;
	int d, delta;
	u8 c;
	int ret;

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

	format = bpp2bit[av7110->osdbpp[av7110->osdwin]];

	av7110->bmp_state = BMP_LOADING;
	if	(format == OSD_BITMAP8) {
		bpp=8; delta = 1;
	} else if (format == OSD_BITMAP4) {
		bpp=4; delta = 2;
	} else if (format == OSD_BITMAP2) {
		bpp=2; delta = 4;
	} else if (format == OSD_BITMAP1) {
		bpp=1; delta = 8;
	} else {
		av7110->bmp_state = BMP_NONE;
		return -EINVAL;
	}
	av7110->bmplen = ((dx * dy * bpp + 7) & ~7) / 8;
	av7110->bmpp = 0;
	if (av7110->bmplen > 32768) {
		av7110->bmp_state = BMP_NONE;
		return -EINVAL;
	}
	for (i = 0; i < dy; i++) {
		if (copy_from_user(av7110->bmpbuf + 1024 + i * dx, data + i * inc, dx)) {
			av7110->bmp_state = BMP_NONE;
			return -EINVAL;
		}
	}
	if (format != OSD_BITMAP8) {
		for (i = 0; i < dx * dy / delta; i++) {
			c = ((u8 *)av7110->bmpbuf)[1024 + i * delta + delta - 1];
			for (d = delta - 2; d >= 0; d--) {
				c |= (((u8 *)av7110->bmpbuf)[1024 + i * delta + d]
				      << ((delta - d - 1) * bpp));
				((u8 *)av7110->bmpbuf)[1024 + i] = c;
			}
		}
	}
	av7110->bmplen += 1024;
	dprintk(4, "av7110_fw_cmd: LoadBmp size %d\n", av7110->bmplen);
	ret = av7110_fw_cmd(av7110, COMTYPE_OSD, LoadBmp, 3, format, dx, dy);
	if (!ret)
		ret = WaitUntilBmpLoaded(av7110);
	return ret;
}

static int BlitBitmap(struct av7110 *av7110, u16 x, u16 y)
{
	dprintk(4, "%p\n", av7110);

	return av7110_fw_cmd(av7110, COMTYPE_OSD, BlitBmp, 4, av7110->osdwin, x, y, 0);
}

static inline int ReleaseBitmap(struct av7110 *av7110)
{
	dprintk(4, "%p\n", av7110);

	if (av7110->bmp_state != BMP_LOADED && FW_VERSION(av7110->arm_app) < 0x261e)
		return -1;
	if (av7110->bmp_state == BMP_LOADING)
		dprintk(1,"ReleaseBitmap called while BMP_LOADING\n");
	av7110->bmp_state = BMP_NONE;
	return av7110_fw_cmd(av7110, COMTYPE_OSD, ReleaseBmp, 0);
}

static u32 RGB2YUV(u16 R, u16 G, u16 B)
{
	u16 y, u, v;
	u16 Y, Cr, Cb;

	y = R * 77 + G * 150 + B * 29;	/* Luma=0.299R+0.587G+0.114B 0..65535 */
	u = 2048 + B * 8 -(y >> 5);	/* Cr 0..4095 */
	v = 2048 + R * 8 -(y >> 5);	/* Cb 0..4095 */

	Y = y / 256;
	Cb = u / 16;
	Cr = v / 16;

	return Cr | (Cb << 16) | (Y << 8);
}

static int OSDSetColor(struct av7110 *av7110, u8 color, u8 r, u8 g, u8 b, u8 blend)
{
	int ret;

	u16 ch, cl;
	u32 yuv;

	yuv = blend ? RGB2YUV(r,g,b) : 0;
	cl = (yuv & 0xffff);
	ch = ((yuv >> 16) & 0xffff);
	ret = SetColor_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
			color, ch, cl);
	if (!ret)
		ret = SetBlend_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
				color, ((blend >> 4) & 0x0f));
	return ret;
}

static int OSDSetPalette(struct av7110 *av7110, u32 __user * colors, u8 first, u8 last)
{
       int i;
       int length = last - first + 1;

       if (length * 4 > DATA_BUFF3_SIZE)
	       return -EINVAL;

       for (i = 0; i < length; i++) {
	       u32 color, blend, yuv;

	       if (get_user(color, colors + i))
		       return -EFAULT;
	       blend = (color & 0xF0000000) >> 4;
	       yuv = blend ? RGB2YUV(color & 0xFF, (color >> 8) & 0xFF,
				     (color >> 16) & 0xFF) | blend : 0;
	       yuv = ((yuv & 0xFFFF0000) >> 16) | ((yuv & 0x0000FFFF) << 16);
	       wdebi(av7110, DEBINOSWAP, DATA_BUFF3_BASE + i * 4, yuv, 4);
       }
       return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Palette, 4,
			    av7110->osdwin,
			    bpp2pal[av7110->osdbpp[av7110->osdwin]],
			    first, last);
}

static int OSDSetBlock(struct av7110 *av7110, int x0, int y0,
		       int x1, int y1, int inc, u8 __user * data)
{
	uint w, h, bpp, bpl, size, lpb, bnum, brest;
	int i;
	int rc,release_rc;

	w = x1 - x0 + 1;
	h = y1 - y0 + 1;
	if (inc <= 0)
		inc = w;
	if (w <= 0 || w > 720 || h <= 0 || h > 576)
		return -EINVAL;
	bpp = av7110->osdbpp[av7110->osdwin] + 1;
	bpl = ((w * bpp + 7) & ~7) / 8;
	size = h * bpl;
	lpb = (32 * 1024) / bpl;
	bnum = size / (lpb * bpl);
	brest = size - bnum * lpb * bpl;

	if (av7110->bmp_state == BMP_LOADING) {
		/* possible if syscall is repeated by -ERESTARTSYS and if firmware cannot abort */
		BUG_ON (FW_VERSION(av7110->arm_app) >= 0x261e);
		rc = WaitUntilBmpLoaded(av7110);
		if (rc)
			return rc;
		/* just continue. This should work for all fw versions
		 * if bnum==1 && !brest && LoadBitmap was successful
		 */
	}

	rc = 0;
	for (i = 0; i < bnum; i++) {
		rc = LoadBitmap(av7110, w, lpb, inc, data);
		if (rc)
			break;
		rc = BlitBitmap(av7110, x0, y0 + i * lpb);
		if (rc)
			break;
		data += lpb * inc;
	}
	if (!rc && brest) {
		rc = LoadBitmap(av7110, w, brest / bpl, inc, data);
		if (!rc)
			rc = BlitBitmap(av7110, x0, y0 + bnum * lpb);
	}
	release_rc = ReleaseBitmap(av7110);
	if (!rc)
		rc = release_rc;
	if (rc)
		dprintk(1,"returns %d\n",rc);
	return rc;
}

int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
{
	int ret;

	if (down_interruptible(&av7110->osd_sema))
		return -ERESTARTSYS;

	switch (dc->cmd) {
	case OSD_Close:
		ret = DestroyOSDWindow(av7110, av7110->osdwin);
		break;
	case OSD_Open:
		av7110->osdbpp[av7110->osdwin] = (dc->color - 1) & 7;
		ret = CreateOSDWindow(av7110, av7110->osdwin,
				bpp2bit[av7110->osdbpp[av7110->osdwin]],
				dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
		if (ret)
			break;
		if (!dc->data) {
			ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
			if (ret)
				break;
			ret = SetColorBlend(av7110, av7110->osdwin);
		}
		break;
	case OSD_Show:
		ret = MoveWindowRel(av7110, av7110->osdwin, 0, 0);
		break;
	case OSD_Hide:
		ret = HideWindow(av7110, av7110->osdwin);
		break;
	case OSD_Clear:
		ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, 0);
		break;
	case OSD_Fill:
		ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, dc->color);
		break;
	case OSD_SetColor:
		ret = OSDSetColor(av7110, dc->color, dc->x0, dc->y0, dc->x1, dc->y1);
		break;
	case OSD_SetPalette:
		if (FW_VERSION(av7110->arm_app) >= 0x2618)
			ret = OSDSetPalette(av7110, dc->data, dc->color, dc->x0);
		else {
			int i, len = dc->x0-dc->color+1;
			u8 __user *colors = (u8 __user *)dc->data;
			u8 r, g, b, blend;
			ret = 0;
			for (i = 0; i<len; i++) {
				if (get_user(r, colors + i * 4) ||
				    get_user(g, colors + i * 4 + 1) ||
				    get_user(b, colors + i * 4 + 2) ||
				    get_user(blend, colors + i * 4 + 3)) {
					ret = -EFAULT;
					break;
				    }
				ret = OSDSetColor(av7110, dc->color + i, r, g, b, blend);
				if (ret)
					break;
			}
		}
		break;
	case OSD_SetPixel:
		ret = DrawLine(av7110, av7110->osdwin,
			 dc->x0, dc->y0, 0, 0, dc->color);
		break;
	case OSD_SetRow:
		dc->y1 = dc->y0;
		/* fall through */
	case OSD_SetBlock:
		ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data);
		break;
	case OSD_FillRow:
		ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
			  dc->x1-dc->x0+1, dc->y1, dc->color);
		break;
	case OSD_FillBlock:
		ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
			  dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1, dc->color);
		break;
	case OSD_Line:
		ret = DrawLine(av7110, av7110->osdwin,
			 dc->x0, dc->y0, dc->x1 - dc->x0, dc->y1 - dc->y0, dc->color);
		break;
	case OSD_Text:
	{
		char textbuf[240];

		if (strncpy_from_user(textbuf, dc->data, 240) < 0) {
			ret = -EFAULT;
			break;
		}
		textbuf[239] = 0;
		if (dc->x1 > 3)
			dc->x1 = 3;
		ret = SetFont(av7110, av7110->osdwin, dc->x1,
			(u16) (dc->color & 0xffff), (u16) (dc->color >> 16));
		if (!ret)
			ret = FlushText(av7110);
		if (!ret)
			ret = WriteText(av7110, av7110->osdwin, dc->x0, dc->y0, textbuf);
		break;
	}
	case OSD_SetWindow:
		if (dc->x0 < 1 || dc->x0 > 7)
			ret = -EINVAL;
		else {
			av7110->osdwin = dc->x0;
			ret = 0;
		}
		break;
	case OSD_MoveWindow:
		ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
		if (!ret)
			ret = SetColorBlend(av7110, av7110->osdwin);
		break;
	case OSD_OpenRaw:
		if (dc->color < OSD_BITMAP1 || dc->color > OSD_CURSOR) {
			ret = -EINVAL;
			break;
		}
		if (dc->color >= OSD_BITMAP1 && dc->color <= OSD_BITMAP8HR)
			av7110->osdbpp[av7110->osdwin] = (1 << (dc->color & 3)) - 1;
		else
			av7110->osdbpp[av7110->osdwin] = 0;
		ret = CreateOSDWindow(av7110, av7110->osdwin, (osd_raw_window_t)dc->color,
				dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
		if (ret)
			break;
		if (!dc->data) {
			ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
			if (!ret)
				ret = SetColorBlend(av7110, av7110->osdwin);
		}
		break;
	default:
		ret = -EINVAL;
		break;
	}

	up(&av7110->osd_sema);
	if (ret==-ERESTARTSYS)
		dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
	else if (ret)
		dprintk(1, "av7110_osd_cmd(%d) returns with %d\n",dc->cmd,ret);

	return ret;
}

int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
{
        switch (cap->cmd) {
        case OSD_CAP_MEMSIZE:
                if (FW_4M_SDRAM(av7110->arm_app))
                        cap->val = 1000000;
                else
                        cap->val = 92000;
                return 0;
        default:
                return -EINVAL;
        }
}
#endif /* CONFIG_DVB_AV7110_OSD */