#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <dev/sound/pcm/vchan.h>
#include <dev/sound/pcm/dsp.h>
#include <dev/sound/pcm/sndstat.h>
#include <dev/sound/version.h>
#include <sys/limits.h>
#include <sys/sysctl.h>
#include "feeder_if.h"

Include dependency graph for sound.c:

Functions
	SND_DECLARE_FILE ("$FreeBSD$")

	SYSCTL_INT (_hw_snd, OID_AUTO, default_auto, CTLFLAG_RWTUN, &snd_unit_auto, 0, "assign default unit to a newly attached device")

	SYSCTL_NODE (_hw, OID_AUTO, snd, CTLFLAG_RD\|CTLFLAG_MPSAFE, 0, "Sound driver")

static void	pcm_sysinit (device_t)

	SYSCTL_STRING (_hw_snd, OID_AUTO, version, CTLFLAG_RD, &snd_driver_version, 0, "driver version/arch")

static int	sndstat_prepare_pcm (SNDSTAT_PREPARE_PCM_ARGS)

void *	snd_mtxcreate (const char desc, const char type)

void	snd_mtxfree (void *m)

void	snd_mtxassert (void *m)

int	snd_setup_intr (device_t dev, struct resource res, int flags, driver_intr_t hand, void param, void **cookiep)

static void	pcm_clonereset (struct snddev_info *d)

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)

int	pcm_inprog (struct snddev_info *d, int delta)

static void	pcm_setmaxautovchans (struct snddev_info *d, int num)

static int	sysctl_hw_snd_default_unit (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_hw_snd, OID_AUTO, default_unit, CTLTYPE_INT\|CTLFLAG_RWTUN\|CTLFLAG_ANYBODY\|CTLFLAG_NEEDGIANT, 0, sizeof(int), sysctl_hw_snd_default_unit, "I", "default sound device")

static int	sysctl_hw_snd_maxautovchans (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_hw_snd, OID_AUTO, maxautovchans, CTLTYPE_INT\|CTLFLAG_RWTUN\|CTLFLAG_NEEDGIANT, 0, sizeof(int), sysctl_hw_snd_maxautovchans, "I", "maximum virtual channel")

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)

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)

static int	pcm_killchan (device_t dev)

static int	pcm_best_unit (int old)

int	pcm_setstatus (device_t dev, char *str)

uint32_t	pcm_getflags (device_t dev)

void	pcm_setflags (device_t dev, uint32_t val)

void *	pcm_getdevinfo (device_t dev)

unsigned int	pcm_getbuffersize (device_t dev, unsigned int minbufsz, unsigned int deflt, unsigned int maxbufsz)

static int	sysctl_dev_pcm_bitperfect (SYSCTL_HANDLER_ARGS)

static u_int8_t	pcm_mode_init (struct snddev_info *d)

int	pcm_register (device_t dev, void *devinfo, int numplay, int numrec)

int	pcm_unregister (device_t dev)

void	sound_oss_sysinfo (oss_sysinfo *si)
	Handle OSSv4 SNDCTL_SYSINFO ioctl. More...

int	sound_oss_card_info (oss_card_info *si)

static int	sound_modevent (module_t mod, int type, void *data)

	DEV_MODULE (sound, sound_modevent, NULL)

	MODULE_VERSION (sound, SOUND_MODVER)

Variables
devclass_t	pcm_devclass

int	pcm_veto_load = 1

int	snd_unit = -1

static int	snd_unit_auto = -1

int	snd_maxautovchans = 16

static char	snd_driver_version []

struct unrhdr *	pcmsg_unrhdr = NULL
	Unit number allocator for syncgroup IDs. More...

Function Documentation

◆ DEV_MODULE()

DEV_MODULE	(	sound	,
		sound_modevent	,
		NULL
	)

◆ MODULE_VERSION()

MODULE_VERSION	(	sound	,
		SOUND_MODVER
	)

◆ pcm_addchan()

int pcm_addchan	(	device_t	dev,
		int	dir,
		kobj_class_t	cls,
		void *	devinfo
	)

Definition at line 692 of file sound.c.

References dev, snddev_info::dev, devinfo, dir, pcm_channel::name, PCM_BUSYASSERT, pcm_chn_add(), pcm_chn_create(), pcm_chn_destroy(), PCM_LOCK, and PCM_UNLOCK.

Referenced by ad1816_attach(), als_pci_attach(), aoa_attach(), atiixp_chip_post_init(), audio_soc_init(), cmi_attach(), cs4281_pci_attach(), emu_pci_attach(), emu_pcm_attach(), envy24_pci_attach(), envy24ht_pci_attach(), es_pci_attach(), ess_attach(), fm801_pci_attach(), hdaa_pcm_attach(), hdspe_pcm_attach(), ich_pci_attach(), m3_pci_attach(), mss_doattach(), nm_pci_attach(), pcmcsa_attach(), sb16_attach(), sb_attach(), sv_attach(), tr_pci_attach(), uaudio_attach_sub(), and via_attach().

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◆ pcm_best_unit()

static int pcm_best_unit ( int old )

static

Definition at line 740 of file sound.c.

References pcm_devclass, PCM_REGISTERED, snddev_info::playcount, and snddev_info::reccount.

Referenced by pcm_setstatus(), and pcm_unregister().

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◆ pcm_chn_add()

int pcm_chn_add	(	struct snddev_info *	d,
		struct pcm_channel *	ch
	)

Definition at line 618 of file sound.c.

References snddev_info::channels, CHN_DEV, CHN_INSERT_SORT_ASCEND, snddev_info::devcount, pcm_channel::direction, PCM_BUSYASSERT, PCM_LOCKASSERT, PCMDIR_PLAY, PCMDIR_REC, snddev_info::playcount, snddev_info::pvchancount, snddev_info::reccount, snddev_info::rvchancount, SND_DEV_DSPHW_PLAY, SND_DEV_DSPHW_REC, SND_DEV_DSPHW_VPLAY, and SND_DEV_DSPHW_VREC.

Referenced by pcm_addchan(), and vchan_create().

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◆ pcm_chn_create()

struct pcm_channel * pcm_chn_create	(	struct snddev_info *	d,
		struct pcm_channel *	parent,
		kobj_class_t	cls,
		int	dir,
		int	num,
		void *	devinfo
	)

Definition at line 483 of file sound.c.

References buf, chan, pcm_channel::channels, CHN_CHAN, CHN_COMM_UNUSED, CHN_DEV, CHN_FOREACH, chn_init(), CHN_NAMELEN, pcm_channel::comm, pcm_channel::dev, snddev_info::dev, devinfo, dir, pcm_channel::direction, dsp_unit2name(), free, max, pcm_channel::methods, pcm_channel::name, pcm_channel::parentchannel, pcm_channel::parentsnddev, PCM_BUSYASSERT, PCM_LOCK, PCM_LOCKASSERT, PCM_UNLOCK, PCMDIR_PLAY, PCMDIR_PLAY_VIRTUAL, PCMDIR_REC, PCMDIR_REC_VIRTUAL, PCMTRIG_STOP, pcm_channel::pid, snddev_info::playcount, snddev_info::pvchancount, snddev_info::reccount, snddev_info::rvchancount, SND_DEV_DSPHW_PLAY, SND_DEV_DSPHW_REC, SND_DEV_DSPHW_VPLAY, SND_DEV_DSPHW_VREC, SND_MAXHWCHAN, SND_MAXVCHANS, snd_mkunit(), pcm_channel::trigger, and pcm_channel::unit.

Referenced by pcm_addchan(), and vchan_create().

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◆ pcm_chn_destroy()

int pcm_chn_destroy ( struct pcm_channel * ch )

Definition at line 596 of file sound.c.

References chn_kill(), pcm_channel::dev, free, pcm_channel::methods, pcm_channel::name, pcm_channel::parentsnddev, and PCM_BUSYASSERT.

Referenced by pcm_addchan(), pcm_killchan(), vchan_create(), and vchan_destroy().

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◆ pcm_chn_remove()

int pcm_chn_remove	(	struct snddev_info *	d,
		struct pcm_channel *	ch
	)

Definition at line 650 of file sound.c.

References pcm_channel::channels, CHN_DEV, CHN_FOREACH, CHN_REMOVE, snddev_info::devcount, PCM_BUSYASSERT, PCM_LOCKASSERT, snddev_info::playcount, snddev_info::pvchancount, snddev_info::reccount, snddev_info::rvchancount, SND_DEV_DSPHW_PLAY, SND_DEV_DSPHW_REC, SND_DEV_DSPHW_VPLAY, and SND_DEV_DSPHW_VREC.

Referenced by pcm_killchan(), vchan_create(), and vchan_destroy().

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◆ pcm_chnalloc()

int pcm_chnalloc	(	struct snddev_info *	d,
		struct pcm_channel **	ch,
		int	direction,
		pid_t	pid,
		char *	comm,
		int	devunit
	)

Definition at line 273 of file sound.c.

References c, pcm_channel::channels, CHN_CHAN, CHN_COMM_UNKNOWN, CHN_F_BUSY, CHN_F_VIRTUAL, CHN_FOREACH, CHN_LOCK, CHN_UNLOCK, pcm_channel::comm, pcm_channel::direction, pcm_channel::flags, PCM_BUSYASSERT, pcm_setvchans(), PCMDIR_PLAY, PCMDIR_REC, pcm_channel::pid, snddev_info::pvchancount, snddev_info::rvchancount, SND_C_MASK, SND_D_MASK, SND_DEV_DSPHW_PLAY, SND_DEV_DSPHW_REC, SND_DEV_DSPHW_VPLAY, SND_DEV_DSPHW_VREC, snd_maxautovchans, SND_U_MASK, snd_unit2c(), snd_unit2d(), and pcm_channel::unit.

Referenced by dsp_open().

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◆ pcm_chnref()

int pcm_chnref	(	struct pcm_channel *	c,
		int	ref
	)

Definition at line 387 of file sound.c.

References c, CHN_LOCKASSERT, pcm_channel::parentsnddev, PCM_BUSYASSERT, and pcm_channel::refcount.

Referenced by dsp_close(), dsp_get_volume_channel(), dsp_open(), and getchns().

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◆ pcm_chnrelease()

int pcm_chnrelease ( struct pcm_channel * c )

Definition at line 373 of file sound.c.

References c, CHN_COMM_UNUSED, CHN_LOCKASSERT, CHN_UNLOCK, pcm_channel::comm, pcm_channel::flags, pcm_channel::parentsnddev, PCM_BUSYASSERT, and pcm_channel::pid.

Referenced by dsp_close(), dsp_open(), and getchns().

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◆ pcm_clonereset()

static void pcm_clonereset ( struct snddev_info * d )

static

Definition at line 131 of file sound.c.

References snddev_info::clones, max, PCM_BUSYASSERT, PCMMAXCLONE, snddev_info::playcount, snddev_info::pvchancount, snddev_info::reccount, snddev_info::rvchancount, snd_clone_gc(), snd_clone_setmaxunit(), and snd_maxautovchans.

Referenced by pcm_setmaxautovchans(), and pcm_setvchans().

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◆ pcm_getbuffersize()

unsigned int pcm_getbuffersize	(	device_t	dev,
		unsigned int	minbufsz,
		unsigned int	deflt,
		unsigned int	maxbufsz
	)

Definition at line 840 of file sound.c.

References snddev_info::bufsz, dev, and RANGE.

Referenced by ad1816_attach(), als_resource_grab(), aoa_attach(), atiixp_pci_attach(), cmi_attach(), cs4281_pci_attach(), emu_pci_attach(), emu_pcm_init(), es_pci_attach(), ess_attach(), fm801_pci_attach(), hdaa_pcm_attach(), ich_pci_attach(), m3_pci_attach(), mss_doattach(), sb16_attach(), sb_attach(), sv_attach(), tr_pci_attach(), and via_attach().

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◆ pcm_getdevinfo()

void * pcm_getdevinfo ( device_t dev )

Definition at line 832 of file sound.c.

References dev, and snddev_info::devinfo.

Referenced by ad1816_detach(), als_pci_detach(), als_pci_resume(), als_pci_suspend(), atiixp_pci_detach(), atiixp_pci_resume(), atiixp_pci_suspend(), cmi_detach(), cmi_resume(), cmi_suspend(), cs4281_pci_detach(), cs4281_pci_resume(), cs4281_pci_suspend(), emu_pci_detach(), emu_pcm_detach(), envy24_pci_detach(), envy24ht_pci_detach(), es_init_sysctls(), es_pci_detach(), ess_detach(), ess_resume(), fm801_alloc_resource(), fm801_pci_detach(), ich_pci_detach(), ich_pci_resume(), ich_pci_suspend(), m3_pci_detach(), m3_pci_resume(), m3_pci_shutdown(), m3_pci_suspend(), mss_detach(), mss_resume(), mss_suspend(), nm_pci_detach(), nm_pci_resume(), nm_pci_suspend(), pcmcsa_detach(), pcmcsa_resume(), pcmcsa_suspend(), sb16_detach(), sb_detach(), sv_detach(), sv_resume(), sv_suspend(), sysctl_atiixp_polling(), sysctl_es137x_fixed_rate(), sysctl_es137x_latency_timer(), sysctl_es137x_spdif_enable(), sysctl_es_polling(), sysctl_via8233_dxs_src(), sysctl_via8233_spdif_enable(), sysctl_via_polling(), tr_pci_detach(), tr_pci_resume(), tr_pci_suspend(), and via_detach().

◆ pcm_getflags()

uint32_t pcm_getflags ( device_t dev )

Definition at line 816 of file sound.c.

References dev, and snddev_info::flags.

Referenced by ac97_create(), ac97mix_init(), ad1816_alloc_resources(), chn_reset(), dsp_get_flags(), emu_pcm_attach(), envy24htmixer_init(), ess_attach(), hdaa_audio_ctl_ossmixer_init(), hdaa_pcm_attach(), hdspe_pcm_attach(), hdspemixer_init(), mss_doattach(), sb16_alloc_resources(), sb16_attach(), sb_attach(), and uaudio_pcm_setflags().

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◆ pcm_inprog()

int pcm_inprog	(	struct snddev_info *	d,
		int	delta
	)

Definition at line 398 of file sound.c.

References snddev_info::inprog, and PCM_LOCKASSERT.

◆ pcm_killchan()

static int pcm_killchan ( device_t dev )

static

Definition at line 721 of file sound.c.

References pcm_channel::channels, CHN_FIRST, dev, error, PCM_BUSYASSERT, pcm_chn_destroy(), pcm_chn_remove(), PCM_LOCK, and PCM_UNLOCK.

Referenced by pcm_unregister().

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◆ pcm_mode_init()

static u_int8_t pcm_mode_init ( struct snddev_info * d )

static

Definition at line 1019 of file sound.c.

References snddev_info::mixer_dev, PCM_MODE_MIXER, PCM_MODE_PLAY, PCM_MODE_REC, snddev_info::playcount, and snddev_info::reccount.

Referenced by pcm_sysinit().

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◆ pcm_register()

int pcm_register	(	device_t	dev,
		void *	devinfo,
		int	numplay,
		int	numrec
	)

Definition at line 1080 of file sound.c.

References snddev_info::channels, CHN_INIT, snddev_info::clones, snddev_info::cv, dev, snddev_info::dev, snddev_info::devcount, devinfo, snddev_info::devinfo, dsp_cdevinfo_init(), snddev_info::flags, snddev_info::inprog, snddev_info::lock, PCM_ACQUIRE_QUICK, pcm_veto_load, PCMMAXCLONE, PCMMAXUNIT, snddev_info::play_sysctl_tree, snddev_info::playcount, snddev_info::pvchancount, snddev_info::pvchanformat, snddev_info::pvchanrate, snddev_info::rec_sysctl_ctx, snddev_info::rec_sysctl_tree, snddev_info::reccount, snddev_info::rvchancount, snddev_info::rvchanformat, snddev_info::rvchanrate, SD_F_AUTOVCHAN, SD_F_BITPERFECT, SD_F_SIMPLEX, SD_F_VPC, snd_clone_create(), SND_CLONE_DEADLINE_DEFAULT, SND_CLONE_GC_ENABLE, SND_CLONE_GC_EXPIRED, SND_CLONE_GC_LASTREF, SND_CLONE_GC_UNREF, SND_CLONE_WAITOK, SND_D_MASK, snd_mtxcreate(), SND_U_MASK, sndstat_prepare_pcm(), sndstat_register(), and snddev_info::status.

Referenced by ad1816_attach(), als_pci_attach(), aoa_attach(), atiixp_chip_post_init(), audio_soc_init(), cmi_attach(), cs4281_pci_attach(), emu_pci_attach(), emu_pcm_attach(), envy24_pci_attach(), envy24ht_pci_attach(), es_pci_attach(), ess_attach(), fm801_pci_attach(), hdaa_pcm_attach(), hdspe_pcm_attach(), ich_pci_attach(), m3_pci_attach(), mss_doattach(), nm_pci_attach(), pcmcsa_attach(), sb16_attach(), sb_attach(), sv_attach(), tr_pci_attach(), uaudio_attach_sub(), and via_attach().

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◆ pcm_setflags()

void pcm_setflags	(	device_t	dev,
		uint32_t	val
	)

Definition at line 824 of file sound.c.

References dev, snddev_info::flags, and val.

Referenced by ac97_create(), ac97mix_init(), ad1816_alloc_resources(), dsp_set_flags(), emu_pcm_attach(), envy24htmixer_init(), ess_attach(), hdaa_audio_ctl_ossmixer_init(), hdaa_pcm_attach(), hdspe_pcm_attach(), hdspemixer_init(), mss_doattach(), sb16_alloc_resources(), sb16_attach(), sb_attach(), and uaudio_pcm_setflags().

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◆ pcm_setmaxautovchans()

static void pcm_setmaxautovchans	(	struct snddev_info *	d,
		int	num
	)

static

Definition at line 408 of file sound.c.

References PCM_BUSYASSERT, pcm_clonereset(), pcm_setvchans(), PCMDIR_PLAY, PCMDIR_REC, snddev_info::pvchancount, and snddev_info::rvchancount.

Referenced by pcm_setstatus(), and sysctl_hw_snd_maxautovchans().

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◆ pcm_setstatus()

int pcm_setstatus	(	device_t	dev,
		char *	str
	)

Definition at line 766 of file sound.c.

References snddev_info::clones, dev, snddev_info::flags, pcm_best_unit(), PCM_BUSYASSERT, PCM_LOCK, PCM_RELEASE, pcm_setmaxautovchans(), pcm_sysinit(), PCM_UNLOCK, snddev_info::playcount, snddev_info::reccount, SD_F_AUTOVCHAN, SD_F_REGISTERED, SD_F_SIMPLEX, snd_clone_enable(), snd_maxautovchans, SND_STATUSLEN, snd_unit, snd_unit_auto, and snddev_info::status.

Referenced by ad1816_attach(), als_pci_attach(), aoa_attach(), atiixp_chip_post_init(), audio_soc_init(), cmi_attach(), cs4281_pci_attach(), emu_pci_attach(), emu_pcm_attach(), envy24_pci_attach(), envy24ht_pci_attach(), es_pci_attach(), ess_attach(), fm801_pci_attach(), hdaa_pcm_attach(), hdspe_pcm_attach(), ich_setstatus(), m3_pci_attach(), mss_doattach(), nm_pci_attach(), pcmcsa_attach(), sb16_attach(), sb_attach(), sv_attach(), tr_pci_attach(), uaudio_attach_sub(), and via_attach().

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◆ pcm_setvchans()

int pcm_setvchans	(	struct snddev_info *	d,
		int	direction,
		int	newcnt,
		int	num
	)

Definition at line 149 of file sound.c.

References AFMT_CONVERTIBLE, c, pcmchan_caps::caps, CHN_EMPTY, CHN_F_BUSY, CHN_F_HAS_VCHAN, CHN_F_VIRTUAL, CHN_FOREACH, CHN_FOREACH_SAFE, chn_getcaps(), CHN_LOCK, CHN_UNLOCK, snddev_info::dev, pcm_channel::direction, pcm_channel::flags, snddev_info::flags, snddev_info::pcm, PCM_BUSYASSERT, pcm_clonereset(), PCMDIR_PLAY, PCMDIR_REC, snddev_info::playcount, snddev_info::pvchancount, snddev_info::reccount, pcm_channel::refcount, snddev_info::rvchancount, SD_F_AUTOVCHAN, SND_MAXVCHANS, vchan_create(), and vchan_destroy().

Referenced by pcm_chnalloc(), pcm_setmaxautovchans(), and sysctl_dev_pcm_vchans().

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◆ pcm_sysinit()

static void pcm_sysinit ( device_t dev )

static

Definition at line 1034 of file sound.c.

References snddev_info::bufsz, dev, feeder_eq_initsys(), snddev_info::flags, pcm_mode_init(), SD_F_AUTOVCHAN, SD_F_EQ, sysctl_dev_pcm_bitperfect(), and vchan_initsys().

Referenced by pcm_setstatus().

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◆ pcm_unregister()

int pcm_unregister ( device_t dev )

Definition at line 1170 of file sound.c.

References pcm_channel::channels, CHN_EMPTY, CHN_FOREACH, CHN_LOCK, CHN_UNLOCK, snddev_info::clones, snddev_info::cv, dev, dsp_cdevinfo_flush(), snddev_info::flags, snddev_info::inprog, snddev_info::lock, mixer_uninit(), pcm_channel::name, PCM_ACQUIRE, PCM_ALIVE, pcm_best_unit(), pcm_killchan(), PCM_LOCK, PCM_RELEASE, PCM_RELEASE_QUICK, PCM_UNLOCK, PCM_WAIT, pcm_channel::pid, snddev_info::play_sysctl_tree, snddev_info::rec_sysctl_ctx, snddev_info::rec_sysctl_tree, pcm_channel::refcount, SD_F_DETACHING, SD_F_DYING, snd_clone_busy(), snd_clone_destroy(), snd_clone_disable(), snd_clone_enable(), snd_mtxfree(), snd_unit, snd_unit_auto, and sndstat_unregister().

Referenced by ad1816_detach(), als_pci_detach(), atiixp_pci_detach(), cmi_detach(), cs4281_pci_detach(), emu_pci_detach(), emu_pcm_detach(), envy24_pci_detach(), envy24ht_pci_detach(), es_pci_detach(), ess_detach(), fm801_pci_detach(), hdaa_pcm_detach(), hdspe_pcm_detach(), ich_pci_detach(), m3_pci_detach(), mss_detach(), nm_pci_detach(), pcmcsa_detach(), sb16_detach(), sb_detach(), sv_detach(), tr_pci_detach(), uaudio_detach_sub(), and via_detach().

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◆ SND_DECLARE_FILE()

SND_DECLARE_FILE ( "$FreeBSD$" )

◆ snd_mtxassert()

void snd_mtxassert ( void * m )

Definition at line 107 of file sound.c.

References m.

Referenced by sbc_lockassert().

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◆ snd_mtxcreate()

void * snd_mtxcreate	(	const char *	desc,
		const char *	type
	)

Definition at line 88 of file sound.c.

References desc, m, and type.

Referenced by ac97_create(), ad1816_attach(), als_pci_attach(), atiixp_pci_attach(), chn_lockinit(), cmi_attach(), emu_pci_attach(), emu_pcm_attach(), envy24_pci_attach(), envy24ht_pci_attach(), es_pci_attach(), ess_alloc_resources(), hdac_attach(), hdspe_attach(), ich_pci_attach(), m3_pci_attach(), mixer_obj_create(), mss_doattach(), pcm_register(), sbc_lockinit(), spicds_create(), tr_pci_attach(), and via_attach().

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◆ snd_mtxfree()

void snd_mtxfree ( void * m )

Definition at line 98 of file sound.c.

References free, and m.

Referenced by ac97_destroy(), ad1816_release_resources(), als_resource_free(), atiixp_release_resource(), chn_lockdestroy(), cmi_attach(), cmi_detach(), emu_pci_attach(), emu_pci_detach(), emu_pcm_attach(), emu_pcm_detach(), envy24_pci_attach(), envy24_pci_detach(), envy24ht_pci_attach(), envy24ht_pci_detach(), es_pci_attach(), es_pci_detach(), ess_release_resources(), hdac_attach(), hdac_detach(), hdspe_detach(), ich_pci_attach(), ich_pci_detach(), m3_pci_attach(), m3_pci_detach(), mixer_delete(), mixer_obj_create(), mixer_uninit(), mss_release_resources(), pcm_unregister(), sbc_lockdestroy(), spicds_destroy(), tr_pci_attach(), tr_pci_detach(), via_attach(), and via_detach().

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◆ snd_setup_intr()

int snd_setup_intr	(	device_t	dev,
		struct resource *	res,
		int	flags,
		driver_intr_t	hand,
		void *	param,
		void **	cookiep
	)

Definition at line 117 of file sound.c.

References dev, snddev_info::flags, param, and SD_F_MPSAFE.

Referenced by ad1816_attach(), als_resource_grab(), atiixp_pci_attach(), cmi_attach(), cs4281_pci_attach(), csa_attach(), davbus_attach(), emu_pci_attach(), envy24_alloc_resource(), envy24ht_alloc_resource(), es_pci_attach(), ess_attach(), fm801_pci_attach(), gusc_attach(), i2s_attach(), ich_pci_attach(), m3_pci_attach(), mss_doattach(), nm_pci_attach(), pcmcsa_attach(), sb16_attach(), sb_attach(), sbc_attach(), sv_attach(), tr_pci_attach(), and via_attach().

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◆ sndstat_prepare_pcm()

static int sndstat_prepare_pcm ( SNDSTAT_PREPARE_PCM_ARGS )

static

Definition at line 81 of file sound.c.

References SNDSTAT_PREPARE_PCM_BEGIN, and SNDSTAT_PREPARE_PCM_END.

Referenced by pcm_register().

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◆ sound_modevent()

static int sound_modevent	(	module_t	mod,
		int	type,
		void *	data
	)

static

Definition at line 1425 of file sound.c.

References data, midi_modevent(), pcmsg_unrhdr, and type.

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◆ sound_oss_card_info()

int sound_oss_card_info ( oss_card_info * si )

Definition at line 1389 of file sound.c.

References snddev_info::dev, pcm_devclass, PCM_LOCK, PCM_REGISTERED, PCM_UNLOCK, PCM_UNLOCKASSERT, and snddev_info::status.

Referenced by dsp_ioctl(), and mixer_ioctl_cmd().

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◆ sound_oss_sysinfo()

void sound_oss_sysinfo ( oss_sysinfo * si )

Handle OSSv4 SNDCTL_SYSINFO ioctl.

Parameters

si	Pointer to oss_sysinfo struct where information about the sound subsystem will be written/copied.

This routine returns information about the sound system, such as the current OSS version, number of audio, MIDI, and mixer drivers, etc. Also includes a bitmask showing which of the above types of devices are open (busy).

Note: Calling threads must not hold any snddev_info or pcm_channel locks.

Author: Ryan Beasley ryanb.nosp@m.@Fre.nosp@m.eBSD..nosp@m.org

Todo:: Collect num{midis,timers}.

Need access to sound/midi/midi.c::midistat_lock in order to safely touch midi_devices and get a head count of, well, MIDI devices. midistat_lock is a global static (i.e., local to midi.c), but midi_devices is a regular global; should the mutex be publicized, or is there another way to get this information?

NB: MIDI/sequencer stuff is currently on hold.

Todo:: Fill in "busy devices" fields.

si->openedmidi = " MIDI devices

Definition at line 1296 of file sound.c.

References c, pcm_channel::channels, CHN_F_BUSY, CHN_FOREACH, CHN_LOCK, CHN_UNLOCK, CHN_UNLOCKASSERT, snddev_info::devcount, pcm_channel::flags, mixer_count, pcm_devclass, PCM_LOCK, PCM_REGISTERED, PCM_UNLOCK, and PCM_UNLOCKASSERT.

Referenced by dsp_ioctl(), and mixer_ioctl_cmd().

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◆ sysctl_dev_pcm_bitperfect()

static int sysctl_dev_pcm_bitperfect ( SYSCTL_HANDLER_ARGS )

static

Definition at line 870 of file sound.c.

References snddev_info::flags, PCM_ACQUIRE, PCM_LOCK, PCM_REGISTERED, PCM_RELEASE, PCM_RELEASE_QUICK, PCM_UNLOCK, PCM_WAIT, req, SD_F_BITPERFECT, and val.

Referenced by pcm_sysinit().

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◆ sysctl_hw_snd_default_unit()

static int sysctl_hw_snd_default_unit ( SYSCTL_HANDLER_ARGS )

static

Definition at line 429 of file sound.c.

References snddev_info::channels, CHN_EMPTY, error, pcm_devclass, PCM_REGISTERED, req, snd_unit, and snd_unit_auto.

◆ sysctl_hw_snd_maxautovchans()

static int sysctl_hw_snd_maxautovchans ( SYSCTL_HANDLER_ARGS )

static

Definition at line 452 of file sound.c.

References error, PCM_ACQUIRE_QUICK, pcm_devclass, PCM_REGISTERED, PCM_RELEASE_QUICK, pcm_setmaxautovchans(), req, snd_maxautovchans, and SND_MAXVCHANS.

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◆ SYSCTL_INT()

SYSCTL_INT	(	_hw_snd	,
		OID_AUTO	,
		default_auto	,
		CTLFLAG_RWTUN	,
		&	snd_unit_auto,
		0	,
		"assign default unit to a newly attached device"
	)

◆ SYSCTL_NODE()

SYSCTL_NODE	(	_hw	,
		OID_AUTO	,
		snd	,
		CTLFLAG_RD\|	CTLFLAG_MPSAFE,
		0	,
		"Sound driver"
	)

◆ SYSCTL_PROC() [1/2]

SYSCTL_PROC	(	_hw_snd	,
		OID_AUTO	,
		default_unit	,
		CTLTYPE_INT\|CTLFLAG_RWTUN\|CTLFLAG_ANYBODY\|	CTLFLAG_NEEDGIANT,
		0	,
		sizeof(int)	,
		sysctl_hw_snd_default_unit	,
		"I"	,
		"default sound device"
	)

◆ SYSCTL_PROC() [2/2]

SYSCTL_PROC	(	_hw_snd	,
		OID_AUTO	,
		maxautovchans	,
		CTLTYPE_INT\|CTLFLAG_RWTUN\|	CTLFLAG_NEEDGIANT,
		0	,
		sizeof(int)	,
		sysctl_hw_snd_maxautovchans	,
		"I"	,
		"maximum virtual channel"
	)

◆ SYSCTL_STRING()

SYSCTL_STRING	(	_hw_snd	,
		OID_AUTO	,
		version	,
		CTLFLAG_RD	,
		&	snd_driver_version,
		0	,
		"driver version/arch"
	)

Variable Documentation

◆ pcm_devclass

devclass_t pcm_devclass

◆ pcm_veto_load

int pcm_veto_load = 1

Definition at line 51 of file sound.c.

Referenced by pcm_register(), and SLIST_HEAD().

◆ pcmsg_unrhdr

struct unrhdr* pcmsg_unrhdr = NULL

Unit number allocator for syncgroup IDs.

Definition at line 78 of file sound.c.

Referenced by dsp_close(), dsp_oss_syncgroup(), dsp_oss_syncstart(), and sound_modevent().

◆ snd_driver_version

char snd_driver_version[]

static

Initial value:

=

__XSTRING(SND_DRV_VERSION)"/"MACHINE_ARCH

SND_DRV_VERSION

#define SND_DRV_VERSION

Definition: version.h:42

Definition at line 70 of file sound.c.

◆ snd_maxautovchans

int snd_maxautovchans = 16

Definition at line 59 of file sound.c.

Referenced by dsp_clone(), pcm_chnalloc(), pcm_clonereset(), pcm_setstatus(), SLIST_HEAD(), and sysctl_hw_snd_maxautovchans().

◆ snd_unit

int snd_unit = -1

Definition at line 53 of file sound.c.

Referenced by dsp_clone(), mixer_clone(), pcm_setstatus(), pcm_unregister(), SLIST_HEAD(), and sysctl_hw_snd_default_unit().

◆ snd_unit_auto

int snd_unit_auto = -1

static

Definition at line 55 of file sound.c.

Referenced by pcm_setstatus(), pcm_unregister(), and sysctl_hw_snd_default_unit().

Functions

Variables

Function Documentation

◆ DEV_MODULE()

◆ MODULE_VERSION()

◆ pcm_addchan()

◆ pcm_best_unit()

◆ pcm_chn_add()

◆ pcm_chn_create()

◆ pcm_chn_destroy()

◆ pcm_chn_remove()

◆ pcm_chnalloc()

◆ pcm_chnref()

◆ pcm_chnrelease()

◆ pcm_clonereset()

◆ pcm_getbuffersize()

◆ pcm_getdevinfo()

◆ pcm_getflags()

◆ pcm_inprog()

◆ pcm_killchan()

◆ pcm_mode_init()

◆ pcm_register()

◆ pcm_setflags()

◆ pcm_setmaxautovchans()

◆ pcm_setstatus()

◆ pcm_setvchans()

◆ pcm_sysinit()

◆ pcm_unregister()

◆ SND_DECLARE_FILE()

◆ snd_mtxassert()

◆ snd_mtxcreate()

◆ snd_mtxfree()

◆ snd_setup_intr()

◆ sndstat_prepare_pcm()

◆ sound_modevent()

◆ sound_oss_card_info()

◆ sound_oss_sysinfo()

◆ sysctl_dev_pcm_bitperfect()

◆ sysctl_hw_snd_default_unit()

◆ sysctl_hw_snd_maxautovchans()

◆ SYSCTL_INT()

◆ SYSCTL_NODE()

◆ SYSCTL_PROC() [1/2]

◆ SYSCTL_PROC() [2/2]

◆ SYSCTL_STRING()

Variable Documentation

◆ pcm_devclass

◆ pcm_veto_load

◆ pcmsg_unrhdr

◆ snd_driver_version

◆ snd_maxautovchans

◆ snd_unit

◆ snd_unit_auto