source: cmedia/trunk/Lib32/sound.c@ 355

Last change on this file since 355 was 354, checked in by stevenhl, 17 years ago

Import untested baseline cmedia sources, work products and binaries
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1/* $Id: sound.c,v 1.5 2000/07/23 16:21:56 sandervl Exp $ */
2
3//******************************************************************************
4// MMPM/2 to OSS interface translation layer
5//
6// Copyright 2000 Sander van Leeuwen (sandervl@xs4all.nl)
7//
8// This program is free software; you can redistribute it and/or
9// modify it under the terms of the GNU General Public License as
10// published by the Free Software Foundation; either version 2 of
11// the License, or (at your option) any later version.
12//
13// This program is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16// GNU General Public License for more details.
17//
18// You should have received a copy of the GNU General Public
19// License along with this program; if not, write to the Free
20// Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
21// USA.
22//
23//******************************************************************************
24//Note: Opening and closing the mixer device for each mixer command might
25// not be a good idea if the SB Live code changes. (right now it hardly
26// matters)
27#include "hwaccess.h"
28#include <linux/init.h>
29#include <linux/poll.h>
30#include <asm/uaccess.h>
31#include <asm/hardirq.h>
32/*
33#include "..\sblive\icardmid.h"
34#include "..\sblive\cardmi.h"
35#include "..\sblive\midi.h"
36*/
37#define LINUX
38#include <ossidc.h>
39#include <stacktoflat.h>
40
41struct file_operations oss_devices[OSS_MAX_DEVICES];
42
43#ifdef KEE
44 #define STACK_REF(p) ((ULONG)(p))
45#else
46 #define STACK_REF(p) ((ULONG)__StackToFlat((ULONG)p))
47#endif
48
49
50//******************************************************************************
51//******************************************************************************
52
53int register_sound_special(struct file_operations *fops, int unit)
54{
55 memcpy(&oss_devices[OSS_SPECIALID], fops, sizeof(struct file_operations));
56 return OSS_SPECIALID;
57}
58
59//******************************************************************************
60//******************************************************************************
61
62int register_sound_mixer(struct file_operations *fops, int dev)
63{
64 memcpy(&oss_devices[OSS_MIXERID], fops, sizeof(struct file_operations));
65 return OSS_MIXERID;
66}
67
68//******************************************************************************
69//******************************************************************************
70
71int register_sound_midi(struct file_operations *fops, int dev)
72{
73 memcpy(&oss_devices[OSS_MIDIID], fops, sizeof(struct file_operations));
74 return OSS_MIDIID;
75}
76
77//******************************************************************************
78//******************************************************************************
79
80int register_sound_dsp(struct file_operations *fops, int dev)
81{
82 memcpy(&oss_devices[OSS_DSPID], fops, sizeof(struct file_operations));
83 return OSS_DSPID;
84}
85
86//******************************************************************************
87//******************************************************************************
88
89int register_sound_synth(struct file_operations *fops, int dev)
90{
91 memcpy(&oss_devices[OSS_SYNTHID], fops, sizeof(struct file_operations));
92 return OSS_SYNTHID;
93}
94
95//******************************************************************************
96//******************************************************************************
97
98void unregister_sound_special(int unit)
99{
100 memset(&oss_devices[OSS_SPECIALID], 0, sizeof(struct file_operations));
101}
102
103//******************************************************************************
104//******************************************************************************
105
106void unregister_sound_mixer(int unit)
107{
108 memset(&oss_devices[OSS_MIXERID], 0, sizeof(struct file_operations));
109}
110
111//******************************************************************************
112//******************************************************************************
113
114void unregister_sound_midi(int unit)
115{
116 memset(&oss_devices[OSS_MIDIID], 0, sizeof(struct file_operations));
117}
118
119//******************************************************************************
120//******************************************************************************
121
122void unregister_sound_dsp(int unit)
123{
124 memset(&oss_devices[OSS_DSPID], 0, sizeof(struct file_operations));
125}
126
127//******************************************************************************
128//******************************************************************************
129
130void unregister_sound_synth(int unit)
131{
132 memset(&oss_devices[OSS_SYNTHID], 0, sizeof(struct file_operations));
133}
134
135//******************************************************************************
136//******************************************************************************
137
138ULONG OSS32_StreamOpen(ULONG streamtype)
139{
140 struct inode ossinode;
141 struct file ossfile;
142 ULONG ossid = streamtype & OSS_IDMASK;
143
144 if(!oss_devices[ossid].open) {
145 return 0;
146 }
147
148 ossinode.i_rdev = ossid;
149 ossfile.f_flags = 0;
150
151 switch(streamtype) {
152 case OSS_STREAM_WAVEOUT:
153 ossfile.f_mode = FMODE_WRITE;
154 break;
155 case OSS_STREAM_WAVEIN:
156 ossfile.f_mode = FMODE_READ;
157 break;
158 case OSS_STREAM_MIDIOUT:
159 ossfile.f_mode = FMODE_WRITE;
160 break;
161 case OSS_STREAM_MIDIIN:
162 ossfile.f_mode = FMODE_READ;
163 break;
164 }
165
166 if(oss_devices[ossid].open(&ossinode, &ossfile)) {
167 DebugInt3();
168 return 0;
169 }
170
171 return (ULONG)ossfile.private_data;
172}
173
174//******************************************************************************
175//******************************************************************************
176
177ULONG OSS32_StreamClose(ULONG streamtype, ULONG streamid)
178{
179 struct inode ossinode;
180 struct file ossfile;
181 ULONG ossid = streamtype & OSS_IDMASK;
182
183 if(!oss_devices[ossid].release) {
184 return 0;
185 }
186
187 ossinode.i_rdev = ossid;
188 ossfile.private_data = (void *)streamid;
189 ossfile.f_flags = 0;
190
191 switch(streamtype) {
192 case OSS_STREAM_WAVEOUT:
193 ossfile.f_mode = FMODE_WRITE;
194 break;
195 case OSS_STREAM_WAVEIN:
196 ossfile.f_mode = FMODE_READ;
197 break;
198 case OSS_STREAM_MIDIOUT:
199 ossfile.f_mode = FMODE_WRITE;
200 break;
201 case OSS_STREAM_MIDIIN:
202 ossfile.f_mode = FMODE_READ;
203 break;
204 }
205
206 if(oss_devices[ossid].release(&ossinode, &ossfile)) {
207 DebugInt3();
208 return 0;
209 }
210
211 return 1;
212}
213
214//******************************************************************************
215//******************************************************************************
216
217ULONG OSS32_StreamIOCtl(ULONG streamtype,
218 ULONG streamid, ULONG cmd, char NEAR *buffer)
219{
220 struct inode ossinode;
221 struct file ossfile;
222 count_info cinfo;
223 ULONG ossid = streamtype & OSS_IDMASK;
224 ULONG param, fraginfo, fragsize, newcmd = (ULONG)-1;
225
226 if(!oss_devices[ossid].ioctl) {
227 return 0;
228 }
229
230 ossinode.i_rdev = ossid;
231 ossfile.private_data = (void *)streamid;
232 ossfile.f_flags = 0;
233
234 switch(streamtype) {
235 case OSS_STREAM_WAVEOUT:
236 ossfile.f_mode = FMODE_WRITE;
237 break;
238 case OSS_STREAM_WAVEIN:
239 ossfile.f_mode = FMODE_READ;
240 break;
241 case OSS_STREAM_MIDIOUT:
242 ossfile.f_mode = FMODE_WRITE;
243 break;
244 case OSS_STREAM_MIDIIN:
245 ossfile.f_mode = FMODE_READ;
246 break;
247 }
248
249 switch(cmd) {
250 case IOCTL_GETPOS:
251 if(streamtype == OSS_STREAM_WAVEOUT) {
252 newcmd = SNDCTL_DSP_GETOPTR;
253 }
254 else newcmd = SNDCTL_DSP_GETIPTR;
255
256 param = STACK_REF(&cinfo);
257 break;
258
259 case IOCTL_SETFRAGMENT:
260//Rudi: round up fragment size
261 newcmd = SNDCTL_DSP_SETFRAGMENT;
262 fragsize = *(ULONG NEAR *)buffer;
263 for( fraginfo = (16 << 16) + 1; (fragsize >>= 1) != 0; fraginfo++ ) ;
264
265 param = STACK_REF(&fraginfo);
266 break;
267
268 default:
269 DebugInt3();
270 return 0;
271 }
272
273 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, newcmd, param)) {
274 return 0;
275 }
276
277 if( cmd == IOCTL_GETPOS ) *(ULONG NEAR *)buffer = cinfo.bytes;
278
279 return 1;
280}
281
282//******************************************************************************
283//******************************************************************************
284
285ULONG OSS32_StreamSetFormat(ULONG streamtype,
286 ULONG streamid, ULONG cmd, FORMAT_INFO NEAR *pFormatInfo)
287{
288 struct inode ossinode;
289 struct file ossfile;
290 ULONG ossid = streamtype & OSS_IDMASK;
291
292 if(!oss_devices[ossid].ioctl) {
293 return 0;
294 }
295
296 ossinode.i_rdev = ossid;
297 ossfile.private_data = (void *)streamid;
298 ossfile.f_flags = 0;
299
300 switch(streamtype) {
301 case OSS_STREAM_WAVEOUT:
302 ossfile.f_mode = FMODE_WRITE;
303 break;
304 case OSS_STREAM_WAVEIN:
305 ossfile.f_mode = FMODE_READ;
306 break;
307 case OSS_STREAM_MIDIOUT:
308 ossfile.f_mode = FMODE_WRITE;
309 break;
310 case OSS_STREAM_MIDIIN:
311 ossfile.f_mode = FMODE_READ;
312 break;
313 }
314
315 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, SNDCTL_DSP_SPEED, (ULONG)&pFormatInfo->ulSampleRate)) {
316 return 0;
317 }
318 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, SNDCTL_DSP_CHANNELS, (ULONG)&pFormatInfo->ulNumChannels)) {
319 return 0;
320 }
321// if(oss_devices[ossid].ioctl(&ossinode, &ossfile, SNDCTL_DSP_SETFMT, (ULONG)&pFormatInfo->ulBitsPerSample)) {
322 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, SNDCTL_DSP_SETFMT, (ULONG)&pFormatInfo->ulDataType)) {
323 return 0;
324 }
325
326 return 1;
327}
328
329//******************************************************************************
330//******************************************************************************
331
332ULONG OSS32_StreamTrigger(ULONG streamtype, ULONG streamid, ULONG NEAR *fStart)
333{
334 struct inode ossinode;
335 struct file ossfile;
336 ULONG ossid = streamtype & OSS_IDMASK;
337 ULONG cmd;
338
339 if(!oss_devices[ossid].ioctl) {
340 return 0;
341 }
342
343 ossinode.i_rdev = ossid;
344 ossfile.private_data = (void *)streamid;
345 ossfile.f_flags = 0;
346
347 switch(streamtype) {
348 case OSS_STREAM_WAVEOUT:
349 ossfile.f_mode = FMODE_WRITE;
350 *fStart = (*fStart) ? PCM_ENABLE_OUTPUT : 0;
351 cmd = SNDCTL_DSP_SETTRIGGER;
352 break;
353 case OSS_STREAM_WAVEIN:
354 ossfile.f_mode = FMODE_READ;
355 *fStart = (*fStart) ? PCM_ENABLE_INPUT : 0;
356 cmd = SNDCTL_DSP_SETTRIGGER;
357 break;
358 case OSS_STREAM_MIDIOUT:
359 ossfile.f_mode = FMODE_WRITE;
360 break;
361 case OSS_STREAM_MIDIIN:
362 ossfile.f_mode = FMODE_READ;
363 break;
364 }
365
366
367 if(ossfile.f_mode == FMODE_READ && *fStart == PCM_ENABLE_INPUT) {
368 //need to call poll to really start the stream
369 int rc;
370 struct poll_table_struct poll = {0};
371
372 rc = oss_devices[ossid].poll(&ossfile, &poll);
373 if(rc & POLLERR)
374 return 0;
375// Rudi
376// return 1;
377 }
378
379 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, cmd, (ULONG)fStart)) {
380 return 0;
381 }
382
383 return 1;
384}
385//******************************************************************************
386//******************************************************************************
387ULONG OSS32_StreamReset(ULONG streamtype, ULONG streamid)
388{
389 struct inode ossinode;
390 struct file ossfile;
391 ULONG ossid = streamtype & OSS_IDMASK;
392 ULONG cmd;
393
394 if(!oss_devices[ossid].ioctl) {
395 return 0;
396 }
397
398 ossinode.i_rdev = ossid;
399 ossfile.private_data = (void *)streamid;
400 ossfile.f_flags = 0;
401
402 switch(streamtype) {
403 case OSS_STREAM_WAVEOUT:
404 ossfile.f_mode = FMODE_WRITE;
405 cmd = SNDCTL_DSP_RESET;
406 break;
407 case OSS_STREAM_WAVEIN:
408 ossfile.f_mode = FMODE_READ;
409 cmd = SNDCTL_DSP_RESET;
410 break;
411 case OSS_STREAM_MIDIOUT:
412 ossfile.f_mode = FMODE_WRITE;
413 break;
414 case OSS_STREAM_MIDIIN:
415 ossfile.f_mode = FMODE_READ;
416 break;
417 }
418
419 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, cmd, 0)) {
420 return 0;
421 }
422 return 1;
423}
424
425//******************************************************************************
426//******************************************************************************
427
428ULONG OSS32_StreamAddBuffer(ULONG streamtype,
429 ULONG streamid, ULONG buffer, ULONG size)
430{
431 struct inode ossinode;
432 struct file ossfile;
433 struct dentry ossdentry;
434 int transferred;
435 ULONG ossid = streamtype & OSS_IDMASK;
436 audio_buf_info info;
437 ULONG cmd;
438
439 if(!oss_devices[ossid].write || !oss_devices[ossid].read || !oss_devices[ossid].ioctl) {
440 return 0;
441 }
442
443 ossinode.i_rdev = ossid;
444 ossfile.private_data = (void *)streamid;
445 ossfile.f_flags = 0;
446 ossfile.f_dentry = &ossdentry;
447 ossdentry.d_inode = &ossinode;
448
449 switch(streamtype) {
450 case OSS_STREAM_WAVEOUT:
451 ossfile.f_mode = FMODE_WRITE;
452 cmd = SNDCTL_DSP_GETOSPACE;
453 break;
454 case OSS_STREAM_WAVEIN:
455 ossfile.f_mode = FMODE_READ;
456 cmd = SNDCTL_DSP_GETISPACE;
457 break;
458 case OSS_STREAM_MIDIOUT:
459 ossfile.f_mode = FMODE_WRITE;
460 break;
461 case OSS_STREAM_MIDIIN:
462 ossfile.f_mode = FMODE_READ;
463 break;
464 }
465
466 //check how much room is left in the circular dma buffer
467 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, cmd, STACK_REF(&info))) {
468 return 0;
469 }
470 size = min(size, info.bytes);
471
472 if(size == 0) {
473 return 0; //no room left, fail
474 }
475
476 if(streamtype == OSS_STREAM_WAVEIN)
477 transferred = oss_devices[ossid].read(&ossfile, (char *)buffer, size, &ossfile.f_pos);
478 else
479 transferred = oss_devices[ossid].write(&ossfile, (char *)buffer, size, &ossfile.f_pos);
480
481 return ( transferred > 0 ) ? transferred : 0;
482}
483
484//******************************************************************************
485//******************************************************************************
486
487ULONG OSS32_StreamGetSpace(ULONG streamtype, ULONG streamid)
488{
489 struct inode ossinode;
490 struct file ossfile;
491 struct dentry ossdentry;
492 int transferred;
493 ULONG ossid = streamtype & OSS_IDMASK;
494 audio_buf_info info;
495 ULONG cmd;
496
497 if(!oss_devices[ossid].write || !oss_devices[ossid].read || !oss_devices[ossid].ioctl) {
498 return 0;
499 }
500
501 ossinode.i_rdev = ossid;
502 ossfile.private_data = (void *)streamid;
503 ossfile.f_flags = 0;
504 ossfile.f_dentry = &ossdentry;
505 ossdentry.d_inode = &ossinode;
506
507 switch(streamtype) {
508 case OSS_STREAM_WAVEOUT:
509 ossfile.f_mode = FMODE_WRITE;
510 cmd = SNDCTL_DSP_GETOSPACE;
511 break;
512 case OSS_STREAM_WAVEIN:
513 ossfile.f_mode = FMODE_READ;
514 cmd = SNDCTL_DSP_GETISPACE;
515 break;
516 case OSS_STREAM_MIDIOUT:
517 ossfile.f_mode = FMODE_WRITE;
518 break;
519 case OSS_STREAM_MIDIIN:
520 ossfile.f_mode = FMODE_READ;
521 break;
522 }
523
524 //check how much room is left in the circular dma buffer
525 if(oss_devices[ossid].ioctl(&ossinode, &ossfile, cmd, STACK_REF(&info))) {
526 return 0;
527 }
528
529 return info.bytes;
530}
531
532//******************************************************************************
533//******************************************************************************
534
535ULONG OSS32_SetVolume(ULONG streamtype, ULONG streamid, ULONG cmd, ULONG volume)
536{
537 struct inode ossinode;
538 struct file ossfile;
539 struct dentry ossdentry;
540 int result;
541 ULONG ioctl;
542
543 if(!oss_devices[OSS_MIXERID].ioctl || !oss_devices[OSS_MIXERID].open || !oss_devices[OSS_MIXERID].release) {
544 return 0;
545 }
546
547 ossinode.i_rdev = OSS_MIXERID;
548 ossfile.private_data = (void *)streamid;
549 ossfile.f_flags = 0;
550 ossfile.f_dentry = &ossdentry;
551 ossfile.f_mode = FMODE_WRITE;
552 ossdentry.d_inode = &ossinode;
553
554 switch(cmd) {
555 case MIX_SETMASTERVOL:
556 ioctl = SOUND_MIXER_WRITE_VOLUME;
557 break;
558
559 case MIX_SETWAVEVOL:
560 ioctl = SOUND_MIXER_WRITE_PCM;
561 break;
562
563 case MIX_SETMIDIVOL:
564 ioctl = SOUND_MIXER_WRITE_SYNTH;
565 break;
566
567 case MIX_SETINPUTSRC:
568 ioctl = SOUND_MIXER_WRITE_RECSRC; //todo
569 switch(volume)
570 {
571 case MIX_RECSRC_MIC:
572 volume = SOUND_MASK_MIC;
573 break;
574 case MIX_RECSRC_CD:
575 volume = SOUND_MASK_CD;
576 break;
577 case MIX_RECSRC_LINE:
578 volume = SOUND_MASK_LINE;
579 break;
580 case MIX_RECSRC_VIDEO:
581 volume = SOUND_MASK_VIDEO;
582 break;
583 case MIX_RECSRC_MIXER:
584 volume = SOUND_MASK_MONITOR;
585 break;
586 case MIX_RECSRC_AUX:
587 volume = SOUND_MASK_LINE1;
588 break;
589 case MIX_RECSRC_SPDIF1:
590 volume = SOUND_MASK_DIGITAL1;
591 break;
592 default:
593 DebugInt3();
594 return 0;
595 }
596 break;
597
598 case MIX_SETINPUTGAIN:
599 ioctl = SOUND_MIXER_WRITE_IGAIN;
600// ioctl = SOUND_MIXER_WRITE_RECLEV;
601 break;
602
603 case MIX_SETLINEINVOL:
604 case MIX_SETLINEINMUTE:
605 ioctl = SOUND_MIXER_WRITE_LINE;
606 break;
607
608 case MIX_SETMICVOL:
609 case MIX_SETMICMUTE:
610 ioctl = SOUND_MIXER_WRITE_MIC;
611 break;
612
613 case MIX_SETCDVOL:
614 case MIX_SETCDMUTE:
615 ioctl = SOUND_MIXER_WRITE_CD;
616 break;
617
618 case MIX_SETVIDEOVOL:
619 case MIX_SETVIDEOMUTE:
620 ioctl = SOUND_MIXER_WRITE_VIDEO;
621 break;
622
623 case MIX_SETAUXVOL:
624 case MIX_SETAUXMUTE:
625 ioctl = SOUND_MIXER_WRITE_LINE1;
626 break;
627
628 case MIX_SETBASS:
629 ioctl = SOUND_MIXER_WRITE_BASS;
630 break;
631
632 case MIX_SETTREBLE:
633 ioctl = SOUND_MIXER_WRITE_TREBLE;
634 break;
635
636 case MIX_SETSPKVOL:
637 case MIX_SETSPKMUTE:
638 ioctl = SOUND_MIXER_WRITE_SPEAKER;
639 break;
640/*
641 case MIX_SETPCMVOL:
642 case MIX_SETPCMMUTE:
643 ioctl = SOUND_MIXER_WRITE_LINE2;
644 break;
645
646 case MIX_SETSPDIFVOL:
647 case MIX_SETSPDIFMUTE:
648 ioctl = MIXER_WRITE(SOUND_MIXER_DIGITAL1);
649 break;
650*/
651
652 default:
653 DebugInt3();
654 return 0;
655 }
656
657
658 if(oss_devices[OSS_MIXERID].open(&ossinode, &ossfile)) {
659 return 0;
660 }
661
662 result = oss_devices[OSS_MIXERID].ioctl(&ossinode, &ossfile,
663 ioctl, STACK_REF(&volume));
664
665 oss_devices[OSS_MIXERID].release(&ossinode, &ossfile);
666
667 return result == 0;
668}
669
670
671#if 0
672
673//******************************************************************************
674//******************************************************************************
675
676unsigned long OSS32_StreamMidiWrite(unsigned long streamid,
677 unsigned long midiByte)
678{
679 struct emu10k1_mididevice *midi_dev = (struct emu10k1_mididevice *)streamid;
680
681 return emu10k1_mpu_write_data(midi_dev->card, (u8)midiByte) == 0;
682}
683
684//******************************************************************************
685//******************************************************************************
686
687unsigned long OSS32_StreamMidiRead(unsigned long streamid,
688 char near *buffer, unsigned long bufsize)
689{
690 struct emu10k1_mididevice *midi_dev = (struct emu10k1_mididevice *)streamid;
691 int count = 0;
692 u8 MPUIvalue;
693
694 while(TRUE) {
695 if(emu10k1_mpu_read_data(midi_dev->card, &MPUIvalue) == 0) {
696 buffer[count] = MPUIvalue;
697 count++;
698 }
699 else break;
700
701 if(count >= bufsize) {
702 break;
703 }
704 }
705 return count;
706}
707
708#endif
709
710//******************************************************************************
711//******************************************************************************
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