diff options
Diffstat (limited to 'sys/dev/sound/pcm/sound.h')
| -rw-r--r-- | sys/dev/sound/pcm/sound.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h index 007285b..df6d729 100644 --- a/sys/dev/sound/pcm/sound.h +++ b/sys/dev/sound/pcm/sound.h @@ -98,12 +98,17 @@ struct snd_mixer; #include <dev/sound/pcm/mixer.h> #include <dev/sound/pcm/dsp.h> +struct snddev_channel { + SLIST_ENTRY(snddev_channel) link; + struct pcm_channel *channel; +}; + #define SND_STATUSLEN 64 /* descriptor of audio device */ struct snddev_info { - struct pcm_channel *play, *rec, **aplay, **arec, *fakechan; - int *ref; - unsigned playcount, reccount, chancount, maxchans; + SLIST_HEAD(, snddev_channel) channels; + struct pcm_channel **aplay, **arec, *fakechan; + unsigned chancount, maxchans; struct snd_mixer *mixer; unsigned flags; void *devinfo; @@ -193,6 +198,15 @@ int fkchan_kill(struct pcm_channel *c); SYSCTL_DECL(_hw_snd); +struct pcm_channel *pcm_chnalloc(struct snddev_info *d, int direction); +int pcm_chnfree(struct pcm_channel *c); +int pcm_chnref(struct pcm_channel *c, int ref); + +struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, void *devinfo); +int pcm_chn_destroy(struct pcm_channel *ch); +int 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); int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); int pcm_unregister(device_t dev); |
