diff options
Diffstat (limited to 'sys/dev/sound/pcm/sound.h')
| -rw-r--r-- | sys/dev/sound/pcm/sound.h | 104 |
1 files changed, 31 insertions, 73 deletions
diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h index b48aed7c2d6e..e4a3ba41ee7f 100644 --- a/sys/dev/sound/pcm/sound.h +++ b/sys/dev/sound/pcm/sound.h @@ -88,7 +88,6 @@ struct snd_mixer; #include <dev/sound/pcm/feeder.h> #include <dev/sound/pcm/mixer.h> #include <dev/sound/pcm/dsp.h> -#include <dev/sound/unit.h> #define PCM_SOFTC_SIZE (sizeof(struct snddev_info)) @@ -101,24 +100,6 @@ struct snd_mixer; #define SOUND_MAXVER SOUND_MODVER /* - * We're abusing the fact that MAXMINOR still have enough room - * for our bit twiddling and nobody ever need 512 unique soundcards, - * 32 unique device types and 1024 unique cloneable devices for the - * next 100 years... - */ - -#define PCMMAXUNIT (snd_max_u()) -#define PCMMAXDEV (snd_max_d()) -#define PCMMAXCHAN (snd_max_c()) - -#define PCMUNIT(x) (snd_unit2u(dev2unit(x))) -#define PCMDEV(x) (snd_unit2d(dev2unit(x))) -#define PCMCHAN(x) (snd_unit2c(dev2unit(x))) - -/* XXX unit2minor compat */ -#define PCMMINOR(x) (x) - -/* * By design, limit possible channels for each direction. */ #define SND_MAXHWCHAN 256 @@ -175,6 +156,9 @@ struct snd_mixer; #define PCM_DETACHING(x) ((x)->flags & SD_F_DETACHING) +#define PCM_CHANCOUNT(d) \ + (d->playcount + d->pvchancount + d->reccount + d->rvchancount) + /* many variables should be reduced to a range. Here define a macro */ #define RANGE(var, low, high) (var) = \ (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) @@ -244,45 +228,17 @@ struct snd_mixer; #define AFMT_NE (AFMT_SIGNED_NE | AFMT_U8_NE | AFMT_U16_NE | \ AFMT_U24_NE | AFMT_U32_NE) -/* - * Minor numbers for the sound driver. - * - * Unfortunately Creative called the codec chip of SB as a DSP. For this - * reason the /dev/dsp is reserved for digitized audio use. There is a - * device for true DSP processors but it will be called something else. - * In v3.0 it's /dev/sndproc but this could be a temporary solution. - */ - -#define SND_DEV_CTL 0 /* Control port /dev/mixer */ -#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ -#define SND_DEV_MIDIN 2 /* Raw midi access */ -#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ -#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ -#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ -#define SND_DEV_STATUS 6 /* /dev/sndstat */ - /* #7 not in use now. */ -#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ -#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ -#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ -#define SND_DEV_NORESET 10 - -#define SND_DEV_DSPHW_PLAY 11 /* specific playback channel */ -#define SND_DEV_DSPHW_VPLAY 12 /* specific virtual playback channel */ -#define SND_DEV_DSPHW_REC 13 /* specific record channel */ -#define SND_DEV_DSPHW_VREC 14 /* specific virtual record channel */ - -#define SND_DEV_DSPHW_CD 15 /* s16le/stereo 44100Hz CD */ - -/* - * OSSv4 compatible device. For now, it serve no purpose and - * the cloning itself will forward the request to ordinary /dev/dsp - * instead. - */ -#define SND_DEV_DSP_MMAP 16 /* /dev/dsp_mmap */ -#define SND_DEV_DSP_AC3 17 /* /dev/dsp_ac3 */ -#define SND_DEV_DSP_MULTICH 18 /* /dev/dsp_multich */ -#define SND_DEV_DSP_SPDIFOUT 19 /* /dev/dsp_spdifout */ -#define SND_DEV_DSP_SPDIFIN 20 /* /dev/dsp_spdifin */ +enum { + SND_DEV_CTL = 0, /* Control port /dev/mixer */ + SND_DEV_SEQ, /* Sequencer /dev/sequencer */ + SND_DEV_MIDIN, /* Raw midi access */ + SND_DEV_DSP, /* Digitized voice /dev/dsp */ + SND_DEV_STATUS, /* /dev/sndstat */ + SND_DEV_DSPHW_PLAY, /* specific playback channel */ + SND_DEV_DSPHW_VPLAY, /* specific virtual playback channel */ + SND_DEV_DSPHW_REC, /* specific record channel */ + SND_DEV_DSPHW_VREC, /* specific virtual record channel */ +}; #define DSP_DEFAULT_SPEED 8000 @@ -291,7 +247,6 @@ struct snd_mixer; extern int pcm_veto_load; extern int snd_unit; -extern int snd_maxautovchans; extern int snd_verbose; extern devclass_t pcm_devclass; extern struct unrhdr *pcmsg_unrhdr; @@ -309,15 +264,10 @@ extern struct unrhdr *pcmsg_unrhdr; SYSCTL_DECL(_hw_snd); -int pcm_setvchans(struct snddev_info *d, int direction, int newcnt, int num); int pcm_chnalloc(struct snddev_info *d, struct pcm_channel **ch, int direction, - pid_t pid, char *comm, int devunit); -int pcm_chnrelease(struct pcm_channel *c); -int pcm_chnref(struct pcm_channel *c, int ref); + pid_t pid, char *comm); -struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, int num, void *devinfo); -int pcm_chn_destroy(struct pcm_channel *ch); -int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch); +void pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch); int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch); int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo); @@ -341,13 +291,21 @@ void snd_mtxassert(void *m); int sndstat_register(device_t dev, char *str); int sndstat_unregister(device_t dev); -/* usage of flags in device config entry (config file) */ -#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ -#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ +/* These are the function codes assigned to the children of sound cards. */ +enum { + SCF_PCM, + SCF_MIDI, + SCF_SYNTH, +}; -/* ought to be made obsolete but still used by mss */ -#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ -#define DV_F_DEV_SHIFT 8 /* force device type/class */ +/* + * This is the device information struct, used by a bridge device to pass the + * device function code to the children. + */ +struct sndcard_func { + int func; /* The function code. */ + void *varinfo; /* Bridge-specific information. */ +}; /* * this is rather kludgey- we need to duplicate these struct def'ns from sound.c @@ -367,7 +325,7 @@ struct snddev_info { } opened; } pcm; } channels; - unsigned devcount, playcount, reccount, pvchancount, rvchancount ; + unsigned playcount, reccount, pvchancount, rvchancount; unsigned flags; unsigned int bufsz; void *devinfo; |