forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 1
/
fm801.c
1452 lines (1266 loc) · 41 KB
/
fm801.c
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
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* The driver for the ForteMedia FM801 based soundcards
* Copyright (c) by Jaroslav Kysela <[email protected]>
*/
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include <sound/ac97_codec.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>
#ifdef CONFIG_SND_FM801_TEA575X_BOOL
#include <media/drv-intf/tea575x.h>
#endif
MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");
MODULE_DESCRIPTION("ForteMedia FM801");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{ForteMedia,FM801},"
"{Genius,SoundMaker Live 5.1}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
/*
* Enable TEA575x tuner
* 1 = MediaForte 256-PCS
* 2 = MediaForte 256-PCP
* 3 = MediaForte 64-PCR
* 16 = setup tuner only (this is additional bit), i.e. SF64-PCR FM card
* High 16-bits are video (radio) device number + 1
*/
static int tea575x_tuner[SNDRV_CARDS];
static int radio_nr[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the FM801 soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for the FM801 soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable FM801 soundcard.");
module_param_array(tea575x_tuner, int, NULL, 0444);
MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only).");
module_param_array(radio_nr, int, NULL, 0444);
MODULE_PARM_DESC(radio_nr, "Radio device numbers");
#define TUNER_DISABLED (1<<3)
#define TUNER_ONLY (1<<4)
#define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF)
/*
* Direct registers
*/
#define fm801_writew(chip,reg,value) outw((value), chip->port + FM801_##reg)
#define fm801_readw(chip,reg) inw(chip->port + FM801_##reg)
#define fm801_writel(chip,reg,value) outl((value), chip->port + FM801_##reg)
#define FM801_PCM_VOL 0x00 /* PCM Output Volume */
#define FM801_FM_VOL 0x02 /* FM Output Volume */
#define FM801_I2S_VOL 0x04 /* I2S Volume */
#define FM801_REC_SRC 0x06 /* Record Source */
#define FM801_PLY_CTRL 0x08 /* Playback Control */
#define FM801_PLY_COUNT 0x0a /* Playback Count */
#define FM801_PLY_BUF1 0x0c /* Playback Bufer I */
#define FM801_PLY_BUF2 0x10 /* Playback Buffer II */
#define FM801_CAP_CTRL 0x14 /* Capture Control */
#define FM801_CAP_COUNT 0x16 /* Capture Count */
#define FM801_CAP_BUF1 0x18 /* Capture Buffer I */
#define FM801_CAP_BUF2 0x1c /* Capture Buffer II */
#define FM801_CODEC_CTRL 0x22 /* Codec Control */
#define FM801_I2S_MODE 0x24 /* I2S Mode Control */
#define FM801_VOLUME 0x26 /* Volume Up/Down/Mute Status */
#define FM801_I2C_CTRL 0x29 /* I2C Control */
#define FM801_AC97_CMD 0x2a /* AC'97 Command */
#define FM801_AC97_DATA 0x2c /* AC'97 Data */
#define FM801_MPU401_DATA 0x30 /* MPU401 Data */
#define FM801_MPU401_CMD 0x31 /* MPU401 Command */
#define FM801_GPIO_CTRL 0x52 /* General Purpose I/O Control */
#define FM801_GEN_CTRL 0x54 /* General Control */
#define FM801_IRQ_MASK 0x56 /* Interrupt Mask */
#define FM801_IRQ_STATUS 0x5a /* Interrupt Status */
#define FM801_OPL3_BANK0 0x68 /* OPL3 Status Read / Bank 0 Write */
#define FM801_OPL3_DATA0 0x69 /* OPL3 Data 0 Write */
#define FM801_OPL3_BANK1 0x6a /* OPL3 Bank 1 Write */
#define FM801_OPL3_DATA1 0x6b /* OPL3 Bank 1 Write */
#define FM801_POWERDOWN 0x70 /* Blocks Power Down Control */
/* codec access */
#define FM801_AC97_READ (1<<7) /* read=1, write=0 */
#define FM801_AC97_VALID (1<<8) /* port valid=1 */
#define FM801_AC97_BUSY (1<<9) /* busy=1 */
#define FM801_AC97_ADDR_SHIFT 10 /* codec id (2bit) */
/* playback and record control register bits */
#define FM801_BUF1_LAST (1<<1)
#define FM801_BUF2_LAST (1<<2)
#define FM801_START (1<<5)
#define FM801_PAUSE (1<<6)
#define FM801_IMMED_STOP (1<<7)
#define FM801_RATE_SHIFT 8
#define FM801_RATE_MASK (15 << FM801_RATE_SHIFT)
#define FM801_CHANNELS_4 (1<<12) /* playback only */
#define FM801_CHANNELS_6 (2<<12) /* playback only */
#define FM801_CHANNELS_6MS (3<<12) /* playback only */
#define FM801_CHANNELS_MASK (3<<12)
#define FM801_16BIT (1<<14)
#define FM801_STEREO (1<<15)
/* IRQ status bits */
#define FM801_IRQ_PLAYBACK (1<<8)
#define FM801_IRQ_CAPTURE (1<<9)
#define FM801_IRQ_VOLUME (1<<14)
#define FM801_IRQ_MPU (1<<15)
/* GPIO control register */
#define FM801_GPIO_GP0 (1<<0) /* read/write */
#define FM801_GPIO_GP1 (1<<1)
#define FM801_GPIO_GP2 (1<<2)
#define FM801_GPIO_GP3 (1<<3)
#define FM801_GPIO_GP(x) (1<<(0+(x)))
#define FM801_GPIO_GD0 (1<<8) /* directions: 1 = input, 0 = output*/
#define FM801_GPIO_GD1 (1<<9)
#define FM801_GPIO_GD2 (1<<10)
#define FM801_GPIO_GD3 (1<<11)
#define FM801_GPIO_GD(x) (1<<(8+(x)))
#define FM801_GPIO_GS0 (1<<12) /* function select: */
#define FM801_GPIO_GS1 (1<<13) /* 1 = GPIO */
#define FM801_GPIO_GS2 (1<<14) /* 0 = other (S/PDIF, VOL) */
#define FM801_GPIO_GS3 (1<<15)
#define FM801_GPIO_GS(x) (1<<(12+(x)))
/**
* struct fm801 - describes FM801 chip
* @port: I/O port number
* @multichannel: multichannel support
* @secondary: secondary codec
* @secondary_addr: address of the secondary codec
* @tea575x_tuner: tuner access method & flags
* @ply_ctrl: playback control
* @cap_ctrl: capture control
*/
struct fm801 {
struct device *dev;
int irq;
unsigned long port;
unsigned int multichannel: 1,
secondary: 1;
unsigned char secondary_addr;
unsigned int tea575x_tuner;
unsigned short ply_ctrl;
unsigned short cap_ctrl;
unsigned long ply_buffer;
unsigned int ply_buf;
unsigned int ply_count;
unsigned int ply_size;
unsigned int ply_pos;
unsigned long cap_buffer;
unsigned int cap_buf;
unsigned int cap_count;
unsigned int cap_size;
unsigned int cap_pos;
struct snd_ac97_bus *ac97_bus;
struct snd_ac97 *ac97;
struct snd_ac97 *ac97_sec;
struct snd_card *card;
struct snd_pcm *pcm;
struct snd_rawmidi *rmidi;
struct snd_pcm_substream *playback_substream;
struct snd_pcm_substream *capture_substream;
unsigned int p_dma_size;
unsigned int c_dma_size;
spinlock_t reg_lock;
struct snd_info_entry *proc_entry;
#ifdef CONFIG_SND_FM801_TEA575X_BOOL
struct v4l2_device v4l2_dev;
struct snd_tea575x tea;
#endif
#ifdef CONFIG_PM_SLEEP
u16 saved_regs[0x20];
#endif
};
/*
* IO accessors
*/
static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)
{
outw(value, chip->port + offset);
}
static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)
{
return inw(chip->port + offset);
}
static const struct pci_device_id snd_fm801_ids[] = {
{ 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* FM801 */
{ 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, }, /* Gallant Odyssey Sound 4 */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, snd_fm801_ids);
/*
* common I/O routines
*/
static bool fm801_ac97_is_ready(struct fm801 *chip, unsigned int iterations)
{
unsigned int idx;
for (idx = 0; idx < iterations; idx++) {
if (!(fm801_readw(chip, AC97_CMD) & FM801_AC97_BUSY))
return true;
udelay(10);
}
return false;
}
static bool fm801_ac97_is_valid(struct fm801 *chip, unsigned int iterations)
{
unsigned int idx;
for (idx = 0; idx < iterations; idx++) {
if (fm801_readw(chip, AC97_CMD) & FM801_AC97_VALID)
return true;
udelay(10);
}
return false;
}
static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg,
unsigned short mask, unsigned short value)
{
int change;
unsigned long flags;
unsigned short old, new;
spin_lock_irqsave(&chip->reg_lock, flags);
old = fm801_ioread16(chip, reg);
new = (old & ~mask) | value;
change = old != new;
if (change)
fm801_iowrite16(chip, reg, new);
spin_unlock_irqrestore(&chip->reg_lock, flags);
return change;
}
static void snd_fm801_codec_write(struct snd_ac97 *ac97,
unsigned short reg,
unsigned short val)
{
struct fm801 *chip = ac97->private_data;
/*
* Wait until the codec interface is not ready..
*/
if (!fm801_ac97_is_ready(chip, 100)) {
dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
return;
}
/* write data and address */
fm801_writew(chip, AC97_DATA, val);
fm801_writew(chip, AC97_CMD, reg | (ac97->addr << FM801_AC97_ADDR_SHIFT));
/*
* Wait until the write command is not completed..
*/
if (!fm801_ac97_is_ready(chip, 1000))
dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
ac97->num);
}
static unsigned short snd_fm801_codec_read(struct snd_ac97 *ac97, unsigned short reg)
{
struct fm801 *chip = ac97->private_data;
/*
* Wait until the codec interface is not ready..
*/
if (!fm801_ac97_is_ready(chip, 100)) {
dev_err(chip->card->dev, "AC'97 interface is busy (1)\n");
return 0;
}
/* read command */
fm801_writew(chip, AC97_CMD,
reg | (ac97->addr << FM801_AC97_ADDR_SHIFT) | FM801_AC97_READ);
if (!fm801_ac97_is_ready(chip, 100)) {
dev_err(chip->card->dev, "AC'97 interface #%d is busy (2)\n",
ac97->num);
return 0;
}
if (!fm801_ac97_is_valid(chip, 1000)) {
dev_err(chip->card->dev,
"AC'97 interface #%d is not valid (2)\n", ac97->num);
return 0;
}
return fm801_readw(chip, AC97_DATA);
}
static const unsigned int rates[] = {
5500, 8000, 9600, 11025,
16000, 19200, 22050, 32000,
38400, 44100, 48000
};
static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
};
static const unsigned int channels[] = {
2, 4, 6
};
static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
};
/*
* Sample rate routines
*/
static unsigned short snd_fm801_rate_bits(unsigned int rate)
{
unsigned int idx;
for (idx = 0; idx < ARRAY_SIZE(rates); idx++)
if (rates[idx] == rate)
return idx;
snd_BUG();
return ARRAY_SIZE(rates) - 1;
}
/*
* PCM part
*/
static int snd_fm801_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
chip->ply_ctrl &= ~(FM801_BUF1_LAST |
FM801_BUF2_LAST |
FM801_PAUSE);
chip->ply_ctrl |= FM801_START |
FM801_IMMED_STOP;
break;
case SNDRV_PCM_TRIGGER_STOP:
chip->ply_ctrl &= ~(FM801_START | FM801_PAUSE);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
chip->ply_ctrl |= FM801_PAUSE;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
chip->ply_ctrl &= ~FM801_PAUSE;
break;
default:
spin_unlock(&chip->reg_lock);
snd_BUG();
return -EINVAL;
}
fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
spin_unlock(&chip->reg_lock);
return 0;
}
static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
chip->cap_ctrl &= ~(FM801_BUF1_LAST |
FM801_BUF2_LAST |
FM801_PAUSE);
chip->cap_ctrl |= FM801_START |
FM801_IMMED_STOP;
break;
case SNDRV_PCM_TRIGGER_STOP:
chip->cap_ctrl &= ~(FM801_START | FM801_PAUSE);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
chip->cap_ctrl |= FM801_PAUSE;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
chip->cap_ctrl &= ~FM801_PAUSE;
break;
default:
spin_unlock(&chip->reg_lock);
snd_BUG();
return -EINVAL;
}
fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
spin_unlock(&chip->reg_lock);
return 0;
}
static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
chip->ply_size = snd_pcm_lib_buffer_bytes(substream);
chip->ply_count = snd_pcm_lib_period_bytes(substream);
spin_lock_irq(&chip->reg_lock);
chip->ply_ctrl &= ~(FM801_START | FM801_16BIT |
FM801_STEREO | FM801_RATE_MASK |
FM801_CHANNELS_MASK);
if (snd_pcm_format_width(runtime->format) == 16)
chip->ply_ctrl |= FM801_16BIT;
if (runtime->channels > 1) {
chip->ply_ctrl |= FM801_STEREO;
if (runtime->channels == 4)
chip->ply_ctrl |= FM801_CHANNELS_4;
else if (runtime->channels == 6)
chip->ply_ctrl |= FM801_CHANNELS_6;
}
chip->ply_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
chip->ply_buf = 0;
fm801_writew(chip, PLY_CTRL, chip->ply_ctrl);
fm801_writew(chip, PLY_COUNT, chip->ply_count - 1);
chip->ply_buffer = runtime->dma_addr;
chip->ply_pos = 0;
fm801_writel(chip, PLY_BUF1, chip->ply_buffer);
fm801_writel(chip, PLY_BUF2,
chip->ply_buffer + (chip->ply_count % chip->ply_size));
spin_unlock_irq(&chip->reg_lock);
return 0;
}
static int snd_fm801_capture_prepare(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
chip->cap_size = snd_pcm_lib_buffer_bytes(substream);
chip->cap_count = snd_pcm_lib_period_bytes(substream);
spin_lock_irq(&chip->reg_lock);
chip->cap_ctrl &= ~(FM801_START | FM801_16BIT |
FM801_STEREO | FM801_RATE_MASK);
if (snd_pcm_format_width(runtime->format) == 16)
chip->cap_ctrl |= FM801_16BIT;
if (runtime->channels > 1)
chip->cap_ctrl |= FM801_STEREO;
chip->cap_ctrl |= snd_fm801_rate_bits(runtime->rate) << FM801_RATE_SHIFT;
chip->cap_buf = 0;
fm801_writew(chip, CAP_CTRL, chip->cap_ctrl);
fm801_writew(chip, CAP_COUNT, chip->cap_count - 1);
chip->cap_buffer = runtime->dma_addr;
chip->cap_pos = 0;
fm801_writel(chip, CAP_BUF1, chip->cap_buffer);
fm801_writel(chip, CAP_BUF2,
chip->cap_buffer + (chip->cap_count % chip->cap_size));
spin_unlock_irq(&chip->reg_lock);
return 0;
}
static snd_pcm_uframes_t snd_fm801_playback_pointer(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
size_t ptr;
if (!(chip->ply_ctrl & FM801_START))
return 0;
spin_lock(&chip->reg_lock);
ptr = chip->ply_pos + (chip->ply_count - 1) - fm801_readw(chip, PLY_COUNT);
if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
ptr += chip->ply_count;
ptr %= chip->ply_size;
}
spin_unlock(&chip->reg_lock);
return bytes_to_frames(substream->runtime, ptr);
}
static snd_pcm_uframes_t snd_fm801_capture_pointer(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
size_t ptr;
if (!(chip->cap_ctrl & FM801_START))
return 0;
spin_lock(&chip->reg_lock);
ptr = chip->cap_pos + (chip->cap_count - 1) - fm801_readw(chip, CAP_COUNT);
if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_CAPTURE) {
ptr += chip->cap_count;
ptr %= chip->cap_size;
}
spin_unlock(&chip->reg_lock);
return bytes_to_frames(substream->runtime, ptr);
}
static irqreturn_t snd_fm801_interrupt(int irq, void *dev_id)
{
struct fm801 *chip = dev_id;
unsigned short status;
unsigned int tmp;
status = fm801_readw(chip, IRQ_STATUS);
status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
if (! status)
return IRQ_NONE;
/* ack first */
fm801_writew(chip, IRQ_STATUS, status);
if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {
spin_lock(&chip->reg_lock);
chip->ply_buf++;
chip->ply_pos += chip->ply_count;
chip->ply_pos %= chip->ply_size;
tmp = chip->ply_pos + chip->ply_count;
tmp %= chip->ply_size;
if (chip->ply_buf & 1)
fm801_writel(chip, PLY_BUF1, chip->ply_buffer + tmp);
else
fm801_writel(chip, PLY_BUF2, chip->ply_buffer + tmp);
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(chip->playback_substream);
}
if (chip->pcm && (status & FM801_IRQ_CAPTURE) && chip->capture_substream) {
spin_lock(&chip->reg_lock);
chip->cap_buf++;
chip->cap_pos += chip->cap_count;
chip->cap_pos %= chip->cap_size;
tmp = chip->cap_pos + chip->cap_count;
tmp %= chip->cap_size;
if (chip->cap_buf & 1)
fm801_writel(chip, CAP_BUF1, chip->cap_buffer + tmp);
else
fm801_writel(chip, CAP_BUF2, chip->cap_buffer + tmp);
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(chip->capture_substream);
}
if (chip->rmidi && (status & FM801_IRQ_MPU))
snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
if (status & FM801_IRQ_VOLUME) {
/* TODO */
}
return IRQ_HANDLED;
}
static const struct snd_pcm_hardware snd_fm801_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5500,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (128*1024),
.period_bytes_min = 64,
.period_bytes_max = (128*1024),
.periods_min = 1,
.periods_max = 1024,
.fifo_size = 0,
};
static const struct snd_pcm_hardware snd_fm801_capture =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5500,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (128*1024),
.period_bytes_min = 64,
.period_bytes_max = (128*1024),
.periods_min = 1,
.periods_max = 1024,
.fifo_size = 0,
};
static int snd_fm801_playback_open(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
chip->playback_substream = substream;
runtime->hw = snd_fm801_playback;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&hw_constraints_rates);
if (chip->multichannel) {
runtime->hw.channels_max = 6;
snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
&hw_constraints_channels);
}
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;
return 0;
}
static int snd_fm801_capture_open(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
chip->capture_substream = substream;
runtime->hw = snd_fm801_capture;
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&hw_constraints_rates);
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;
return 0;
}
static int snd_fm801_playback_close(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
chip->playback_substream = NULL;
return 0;
}
static int snd_fm801_capture_close(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
chip->capture_substream = NULL;
return 0;
}
static const struct snd_pcm_ops snd_fm801_playback_ops = {
.open = snd_fm801_playback_open,
.close = snd_fm801_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_fm801_hw_params,
.hw_free = snd_fm801_hw_free,
.prepare = snd_fm801_playback_prepare,
.trigger = snd_fm801_playback_trigger,
.pointer = snd_fm801_playback_pointer,
};
static const struct snd_pcm_ops snd_fm801_capture_ops = {
.open = snd_fm801_capture_open,
.close = snd_fm801_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_fm801_hw_params,
.hw_free = snd_fm801_hw_free,
.prepare = snd_fm801_capture_prepare,
.trigger = snd_fm801_capture_trigger,
.pointer = snd_fm801_capture_pointer,
};
static int snd_fm801_pcm(struct fm801 *chip, int device)
{
struct pci_dev *pdev = to_pci_dev(chip->dev);
struct snd_pcm *pcm;
int err;
if ((err = snd_pcm_new(chip->card, "FM801", device, 1, 1, &pcm)) < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_fm801_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_fm801_capture_ops);
pcm->private_data = chip;
pcm->info_flags = 0;
strcpy(pcm->name, "FM801");
chip->pcm = pcm;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(pdev),
chip->multichannel ? 128*1024 : 64*1024, 128*1024);
return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
snd_pcm_alt_chmaps,
chip->multichannel ? 6 : 2, 0,
NULL);
}
/*
* TEA5757 radio
*/
#ifdef CONFIG_SND_FM801_TEA575X_BOOL
/* GPIO to TEA575x maps */
struct snd_fm801_tea575x_gpio {
u8 data, clk, wren, most;
char *name;
};
static struct snd_fm801_tea575x_gpio snd_fm801_tea575x_gpios[] = {
{ .data = 1, .clk = 3, .wren = 2, .most = 0, .name = "SF256-PCS" },
{ .data = 1, .clk = 0, .wren = 2, .most = 3, .name = "SF256-PCP" },
{ .data = 2, .clk = 0, .wren = 1, .most = 3, .name = "SF64-PCR" },
};
#define get_tea575x_gpio(chip) \
(&snd_fm801_tea575x_gpios[((chip)->tea575x_tuner & TUNER_TYPE_MASK) - 1])
static void snd_fm801_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
{
struct fm801 *chip = tea->private_data;
unsigned short reg = fm801_readw(chip, GPIO_CTRL);
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
reg &= ~(FM801_GPIO_GP(gpio.data) |
FM801_GPIO_GP(gpio.clk) |
FM801_GPIO_GP(gpio.wren));
reg |= (pins & TEA575X_DATA) ? FM801_GPIO_GP(gpio.data) : 0;
reg |= (pins & TEA575X_CLK) ? FM801_GPIO_GP(gpio.clk) : 0;
/* WRITE_ENABLE is inverted */
reg |= (pins & TEA575X_WREN) ? 0 : FM801_GPIO_GP(gpio.wren);
fm801_writew(chip, GPIO_CTRL, reg);
}
static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea)
{
struct fm801 *chip = tea->private_data;
unsigned short reg = fm801_readw(chip, GPIO_CTRL);
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
u8 ret;
ret = 0;
if (reg & FM801_GPIO_GP(gpio.data))
ret |= TEA575X_DATA;
if (reg & FM801_GPIO_GP(gpio.most))
ret |= TEA575X_MOST;
return ret;
}
static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
{
struct fm801 *chip = tea->private_data;
unsigned short reg = fm801_readw(chip, GPIO_CTRL);
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
/* use GPIO lines and set write enable bit */
reg |= FM801_GPIO_GS(gpio.data) |
FM801_GPIO_GS(gpio.wren) |
FM801_GPIO_GS(gpio.clk) |
FM801_GPIO_GS(gpio.most);
if (output) {
/* all of lines are in the write direction */
/* clear data and clock lines */
reg &= ~(FM801_GPIO_GD(gpio.data) |
FM801_GPIO_GD(gpio.wren) |
FM801_GPIO_GD(gpio.clk) |
FM801_GPIO_GP(gpio.data) |
FM801_GPIO_GP(gpio.clk) |
FM801_GPIO_GP(gpio.wren));
} else {
/* use GPIO lines, set data direction to input */
reg |= FM801_GPIO_GD(gpio.data) |
FM801_GPIO_GD(gpio.most) |
FM801_GPIO_GP(gpio.data) |
FM801_GPIO_GP(gpio.most) |
FM801_GPIO_GP(gpio.wren);
/* all of lines are in the write direction, except data */
/* clear data, write enable and clock lines */
reg &= ~(FM801_GPIO_GD(gpio.wren) |
FM801_GPIO_GD(gpio.clk) |
FM801_GPIO_GP(gpio.clk));
}
fm801_writew(chip, GPIO_CTRL, reg);
}
static const struct snd_tea575x_ops snd_fm801_tea_ops = {
.set_pins = snd_fm801_tea575x_set_pins,
.get_pins = snd_fm801_tea575x_get_pins,
.set_direction = snd_fm801_tea575x_set_direction,
};
#endif
/*
* Mixer routines
*/
#define FM801_SINGLE(xname, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_single, \
.get = snd_fm801_get_single, .put = snd_fm801_put_single, \
.private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
static int snd_fm801_info_single(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 16) & 0xff;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
return 0;
}
static int snd_fm801_get_single(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
long *value = ucontrol->value.integer.value;
value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;
if (invert)
value[0] = mask - value[0];
return 0;
}
static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
unsigned short val;
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
val = mask - val;
return snd_fm801_update_bits(chip, reg, mask << shift, val << shift);
}
#define FM801_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
.get = snd_fm801_get_double, .put = snd_fm801_put_double, \
.private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
.name = xname, .info = snd_fm801_info_double, \
.get = snd_fm801_get_double, .put = snd_fm801_put_double, \
.private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
.tlv = { .p = (xtlv) } }
static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 16) & 0xff;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
return 0;
}
static int snd_fm801_get_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift_left = (kcontrol->private_value >> 8) & 0x0f;
int shift_right = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
long *value = ucontrol->value.integer.value;
spin_lock_irq(&chip->reg_lock);
value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;
value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;
spin_unlock_irq(&chip->reg_lock);
if (invert) {
value[0] = mask - value[0];
value[1] = mask - value[1];
}
return 0;
}
static int snd_fm801_put_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift_left = (kcontrol->private_value >> 8) & 0x0f;
int shift_right = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
unsigned short val1, val2;
val1 = ucontrol->value.integer.value[0] & mask;
val2 = ucontrol->value.integer.value[1] & mask;
if (invert) {
val1 = mask - val1;
val2 = mask - val2;
}
return snd_fm801_update_bits(chip, reg,
(mask << shift_left) | (mask << shift_right),
(val1 << shift_left ) | (val2 << shift_right));
}
static int snd_fm801_info_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[5] = {
"AC97 Primary", "FM", "I2S", "PCM", "AC97 Secondary"
};
return snd_ctl_enum_info(uinfo, 1, 5, texts);
}
static int snd_fm801_get_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = fm801_readw(chip, REC_SRC) & 7;
if (val > 4)
val = 4;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct fm801 *chip = snd_kcontrol_chip(kcontrol);
unsigned short val;
if ((val = ucontrol->value.enumerated.item[0]) > 4)
return -EINVAL;
return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
}
static const DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
static struct snd_kcontrol_new snd_fm801_controls[] = {
FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
db_scale_dsp),
FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
db_scale_dsp),
FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
db_scale_dsp),
FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
{