1/*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 3 * Copyright by Hannu Savolainen 1995 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
27 * $FreeBSD: head/sys/dev/sound/pcm/sound.h 170161 2007-05-31 18:43:33Z ariff $ |
28 */ 29 30/* 31 * first, include kernel header files. 32 */ 33 34#ifndef _OS_H_ 35#define _OS_H_ --- 54 unchanged lines hidden (view full) --- 90struct snd_dbuf; 91struct snd_mixer; 92 93#include <dev/sound/pcm/buffer.h> 94#include <dev/sound/pcm/channel.h> 95#include <dev/sound/pcm/feeder.h> 96#include <dev/sound/pcm/mixer.h> 97#include <dev/sound/pcm/dsp.h> |
98#include <dev/sound/clone.h> 99#include <dev/sound/unit.h> |
100 101#define PCM_SOFTC_SIZE 512 102 103#define SND_STATUSLEN 64 104 105#define SOUND_MODVER 2 106 107#define SOUND_MINVER SOUND_MODVER 108#define SOUND_PREFVER SOUND_MODVER 109#define SOUND_MAXVER SOUND_MODVER 110 111/* 112 * We're abusing the fact that MAXMINOR still have enough room |
113 * for our bit twiddling and nobody ever need 512 unique soundcards, 114 * 32 unique device types and 1024 unique cloneable devices for the 115 * next 100 years... |
116 */ 117 |
118#define PCMMAXUNIT (snd_max_u()) 119#define PCMMAXDEV (snd_max_d()) 120#define PCMMAXCHAN (snd_max_c()) |
121 |
122#define PCMMAXCLONE PCMMAXCHAN 123 124#define PCMUNIT(x) (snd_unit2u(dev2unit(x))) 125#define PCMDEV(x) (snd_unit2d(dev2unit(x))) 126#define PCMCHAN(x) (snd_unit2c(dev2unit(x))) 127 128/* 129 * By design, limit possible channels for each direction. 130 */ 131#define SND_MAXHWCHAN 256 132#define SND_MAXVCHANS SND_MAXHWCHAN 133 |
134#define SD_F_SIMPLEX 0x00000001 135#define SD_F_AUTOVCHAN 0x00000002 136#define SD_F_SOFTPCMVOL 0x00000004 137#define SD_F_PSWAPLR 0x00000008 138#define SD_F_RSWAPLR 0x00000010 |
139#define SD_F_DYING 0x00000020 140#define SD_F_SUICIDE 0x00000040 |
141#define SD_F_PRIO_RD 0x10000000 142#define SD_F_PRIO_WR 0x20000000 143#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 144#define SD_F_DIR_SET 0x40000000 145#define SD_F_TRANSIENT 0xf0000000 146 147/* many variables should be reduced to a range. Here define a macro */ 148#define RANGE(var, low, high) (var) = \ --- 283 unchanged lines hidden (view full) --- 432#define AFMT_SIGNED (AFMT_S32_LE | AFMT_S32_BE | AFMT_S24_LE | AFMT_S24_BE | \ 433 AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 434#define AFMT_BIGENDIAN (AFMT_S32_BE | AFMT_U32_BE | AFMT_S24_BE | AFMT_U24_BE | \ 435 AFMT_S16_BE | AFMT_U16_BE) 436 437struct pcm_channel *fkchan_setup(device_t dev); 438int fkchan_kill(struct pcm_channel *c); 439 |
440/* 441 * Minor numbers for the sound driver. 442 * 443 * Unfortunately Creative called the codec chip of SB as a DSP. For this 444 * reason the /dev/dsp is reserved for digitized audio use. There is a 445 * device for true DSP processors but it will be called something else. 446 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 447 */ --- 5 unchanged lines hidden (view full) --- 453#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 454#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 455#define SND_DEV_STATUS 6 /* /dev/sndstat */ 456 /* #7 not in use now. */ 457#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 458#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 459#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 460#define SND_DEV_NORESET 10 |
461 |
462#define SND_DEV_DSPHW_PLAY 11 /* specific playback channel */ 463#define SND_DEV_DSPHW_VPLAY 12 /* specific virtual playback channel */ 464#define SND_DEV_DSPHW_REC 13 /* specific record channel */ 465#define SND_DEV_DSPHW_VREC 14 /* specific virtual record channel */ 466 |
467#define DSP_DEFAULT_SPEED 8000 468 469#define ON 1 470#define OFF 0 471 472extern int pcm_veto_load; 473extern int snd_unit; 474extern int snd_maxautovchans; --- 10 unchanged lines hidden (view full) --- 485 486#ifndef DEB 487#define DEB(x) 488#endif 489 490SYSCTL_DECL(_hw_snd); 491 492struct pcm_channel *pcm_getfakechan(struct snddev_info *d); |
493int pcm_chnalloc(struct snddev_info *d, struct pcm_channel **ch, int direction, pid_t pid, int devunit); |
494int pcm_chnrelease(struct pcm_channel *c); 495int pcm_chnref(struct pcm_channel *c, int ref); 496int pcm_inprog(struct snddev_info *d, int delta); 497 |
498struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, int num, void *devinfo); |
499int pcm_chn_destroy(struct pcm_channel *ch); 500int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch); 501int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch); 502 503int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo); 504unsigned int pcm_getbuffersize(device_t dev, unsigned int minbufsz, unsigned int deflt, unsigned int maxbufsz); 505int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 506int pcm_unregister(device_t dev); --- 10 unchanged lines hidden (view full) --- 517void snd_mtxfree(void *m); 518void snd_mtxassert(void *m); 519#define snd_mtxlock(m) mtx_lock(m) 520#define snd_mtxunlock(m) mtx_unlock(m) 521 522int sysctl_hw_snd_vchans(SYSCTL_HANDLER_ARGS); 523 524typedef int (*sndstat_handler)(struct sbuf *s, device_t dev, int verbose); |
525int sndstat_acquire(struct thread *td); 526int sndstat_release(struct thread *td); |
527int sndstat_register(device_t dev, char *str, sndstat_handler handler); 528int sndstat_registerfile(char *str); 529int sndstat_unregister(device_t dev); 530int sndstat_unregisterfile(char *str); 531 532#define SND_DECLARE_FILE(version) \ 533 _SND_DECLARE_FILE(__LINE__, version) 534 --- 16 unchanged lines hidden (view full) --- 551#define PCM_DEBUG_MTX 552 553/* 554 * this is rather kludgey- we need to duplicate these struct def'ns from sound.c 555 * so that the macro versions of pcm_{,un}lock can dereference them. 556 * we also have to do this now makedev() has gone away. 557 */ 558 |
559struct snddev_info { |
560 struct { 561 struct { 562 SLIST_HEAD(, pcm_channel) head; 563 struct { 564 SLIST_HEAD(, pcm_channel) head; 565 } busy; 566 } pcm; 567 } channels; 568 struct snd_clone *clones; |
569 struct pcm_channel *fakechan; |
570 unsigned devcount, playcount, reccount, pvchancount, rvchancount ; |
571 unsigned flags; 572 int inprog; 573 unsigned int bufsz; 574 void *devinfo; 575 device_t dev; 576 char status[SND_STATUSLEN]; 577 struct mtx *lock; 578 struct cdev *mixer_dev; |
579 uint32_t pvchanrate, pvchanformat; 580 uint32_t rvchanrate, rvchanformat; 581 struct sysctl_ctx_list play_sysctl_ctx, rec_sysctl_ctx; 582 struct sysctl_oid *play_sysctl_tree, *rec_sysctl_tree; |
583}; 584 585void sound_oss_sysinfo(oss_sysinfo *); 586 587#ifdef PCM_DEBUG_MTX 588#define pcm_lock(d) mtx_lock(((struct snddev_info *)(d))->lock) 589#define pcm_unlock(d) mtx_unlock(((struct snddev_info *)(d))->lock) 590#else --- 13 unchanged lines hidden --- |