* Copyright (c) 1997, 2020 The NetBSD Foundation, Inc.

/* $NetBSD: soundcard.h,v 1.34 2021/05/09 11:28:25 nia Exp $ */

/*-
* Copyright (c) 1997, 2020 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson and Nia Alarie.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

/*
* WARNING! WARNING!
* This is an Open Sound System compatibility layer.
* Use the Native NetBSD API in <sys/audioio.h> for developing new code,
* and this only for compiling programs written for other operating systems.
*/

#ifndef _SOUNDCARD_H_
#define _SOUNDCARD_H_

#ifndef SOUND_VERSION
#define SOUND_VERSION 0x030001
#endif

#define SNDCTL_DSP_RESET _IO ('P', 0)
#define SNDCTL_DSP_SYNC _IO ('P', 1)
#define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
#define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
#define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
#define SNDCTL_DSP_SETFMT _IOWR('P', 5, int)
#define AFMT_QUERY 0x00000000
#define AFMT_MU_LAW 0x00000001
#define AFMT_A_LAW 0x00000002
#define AFMT_IMA_ADPCM 0x00000004
#define AFMT_U8 0x00000008
#define AFMT_S16_LE 0x00000010
#define AFMT_S16_BE 0x00000020
#define AFMT_S8 0x00000040
#define AFMT_U16_LE 0x00000080
#define AFMT_U16_BE 0x00000100
#define AFMT_MPEG 0x00000200 /* Not supported */
#define AFMT_AC3 0x00000400
#define AFMT_S24_LE 0x00000800 /* Not supported */
#define AFMT_S24_BE 0x00001000 /* Not supported */
#define AFMT_S32_LE 0x00002000
#define AFMT_S32_BE 0x00004000
#define AFMT_FLOAT 0x00010000 /* Not supported */
#define AFMT_SPDIF_RAW 0x00020000 /* Not supported */
#define AFMT_S24_PACKED 0x00040000 /* Not supported */
#define AFMT_VORBIS 0x00080000 /* Not supported */
#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
#define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
#define SNDCTL_DSP_CHANNELS _IOWR('P', 6, int)
#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
#define SNDCTL_DSP_POST _IO ('P', 8)
#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int)
#define SNDCTL_DSP_SETFRAGMENT _IOWR('P', 10, int)
#define SNDCTL_DSP_GETFMTS _IOR ('P', 11, int)
#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, struct audio_buf_info)
#define SNDCTL_DSP_GETISPACE _IOR ('P',13, struct audio_buf_info)
#define SNDCTL_DSP_NONBLOCK _IO ('P',14)
#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int)
/* PCM_CAP_* were known as DSP_CAP_ before OSS 4.0 */
# define DSP_CAP_REVISION PCM_CAP_REVISION
# define DSP_CAP_DUPLEX PCM_CAP_DUPLEX
# define DSP_CAP_REALTIME PCM_CAP_REALTIME
# define DSP_CAP_BATCH PCM_CAP_BATCH
# define DSP_CAP_COPROC PCM_CAP_COPROC
# define DSP_CAP_TRIGGER PCM_CAP_TRIGGER
# define DSP_CAP_MMAP PCM_CAP_MMAP
# define DSP_CAP_INPUT PCM_CAP_INPUT
# define DSP_CAP_OUTPUT PCM_CAP_OUTPUT
# define DSP_CAP_MODEM PCM_CAP_MODEM
# define DSP_CAP_HIDDEN PCM_CAP_HIDDEN
# define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL
# define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT
# define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN
# define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT
# define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN
# define DSP_CAP_ADMASK PCM_CAP_ADMASK
# define DSP_CAP_FREERATE PCM_CAP_FREERATE
# define DSP_CAP_MULTI PCM_CAP_MULTI
# define DSP_CAP_BIND PCM_CAP_BIND
# define DSP_CAP_SHADOW PCM_CAP_SHADOW
# define PCM_CAP_REVISION 0x000000ff /* Unused in NetBSD */
# define PCM_CAP_DUPLEX 0x00000100 /* Full duplex */
# define PCM_CAP_REALTIME 0x00000200 /* Unused in NetBSD */
# define PCM_CAP_BATCH 0x00000400 /* Unused in NetBSD */
# define PCM_CAP_COPROC 0x00000800 /* Unused in NetBSD */
# define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
# define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */
# define PCM_CAP_INPUT 0x00004000 /* Recording device */
# define PCM_CAP_OUTPUT 0x00008000 /* Playback device */
# define PCM_CAP_MODEM 0x00010000 /* Unused in NetBSD */
# define PCM_CAP_HIDDEN 0x00020000 /* Unused in NetBSD */
# define PCM_CAP_VIRTUAL 0x00040000 /* Unused in NetBSD */
# define PCM_CAP_MULTI 0x00080000 /* Simultaneous open() */
# define PCM_CAP_ANALOGOUT 0x00100000 /* Unused in NetBSD */
# define PCM_CAP_ANALOGIN 0x00200000 /* Unused in NetBSD */
# define PCM_CAP_DIGITALOUT 0x00400000 /* Unused in NetBSD */
# define PCM_CAP_DIGITALIN 0x00800000 /* Unused in NetBSD */
# define PCM_CAP_ADMASK 0x00f00000 /* Unused in NetBSD */
# define PCM_CAP_SPECIAL 0x01000000 /* Unused in NetBSD */
# define PCM_CAP_FREERATE 0x10000000 /* Freely set rate */
# define PCM_CAP_SHADOW 0x40000000 /* Unused in NetBSD */
# define PCM_CAP_BIND 0x80000000 /* Unused in NetBSD */
# define DSP_CH_ANY 0x00000000 /* No preferred mode */
# define DSP_CH_MONO 0x02000000
# define DSP_CH_STEREO 0x04000000
# define DSP_CH_MULTI 0x06000000
# define DSP_CH_MASK 0x06000000
#define SNDCTL_DSP_GETTRIGGER _IOR ('P', 16, int)
#define SNDCTL_DSP_SETTRIGGER _IOW ('P', 16, int)
# define PCM_ENABLE_INPUT 0x00000001
# define PCM_ENABLE_OUTPUT 0x00000002
#define SNDCTL_DSP_GETIPTR _IOR ('P', 17, struct count_info)
#define SNDCTL_DSP_GETOPTR _IOR ('P', 18, struct count_info)
#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, struct buffmem_desc)
#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, struct buffmem_desc)
#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21)
#define SNDCTL_DSP_SETDUPLEX _IO ('P', 22)
#define SNDCTL_DSP_PROFILE _IOW ('P', 23, int)
#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int)
#define APF_NORMAL 0
#define APF_NETWORK 1
#define APF_CPUINTENS 2

/* Need native 16 bit format which depends on byte order */
#include <machine/endian_machdep.h>
#if _BYTE_ORDER == _LITTLE_ENDIAN
#define AFMT_U16_NE AFMT_U16_LE
#define AFMT_U16_OE AFMT_U16_BE
#define AFMT_S16_NE AFMT_S16_LE
#define AFMT_S16_OE AFMT_S16_BE
#define AFMT_S24_NE AFMT_S24_LE
#define AFMT_S24_OE AFMT_S24_BE
#define AFMT_S32_NE AFMT_S32_LE
#define AFMT_S32_OE AFMT_S32_BE
#else
#define AFMT_U16_NE AFMT_U16_BE
#define AFMT_U16_OE AFMT_U16_LE
#define AFMT_S16_NE AFMT_S16_BE
#define AFMT_S16_OE AFMT_S16_LE
#define AFMT_S24_NE AFMT_S24_BE
#define AFMT_S24_OE AFMT_S24_LE
#define AFMT_S32_NE AFMT_S32_BE
#define AFMT_S32_OE AFMT_S32_LE
#endif

/* Aliases */
#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
#define SOUND_PCM_POST SNDCTL_DSP_POST
#define SOUND_PCM_RESET SNDCTL_DSP_RESET
#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF

/* Mixer defines */
#define SOUND_MIXER_FIRST 0
#define SOUND_MIXER_NRDEVICES 25

#define SOUND_MIXER_VOLUME 0
#define SOUND_MIXER_BASS 1
#define SOUND_MIXER_TREBLE 2
#define SOUND_MIXER_SYNTH 3
#define SOUND_MIXER_PCM 4
#define SOUND_MIXER_SPEAKER 5
#define SOUND_MIXER_LINE 6
#define SOUND_MIXER_MIC 7
#define SOUND_MIXER_CD 8
#define SOUND_MIXER_IMIX 9
#define SOUND_MIXER_ALTPCM 10
#define SOUND_MIXER_RECLEV 11
#define SOUND_MIXER_IGAIN 12
#define SOUND_MIXER_OGAIN 13
#define SOUND_MIXER_LINE1 14
#define SOUND_MIXER_LINE2 15
#define SOUND_MIXER_LINE3 16
#define SOUND_MIXER_DIGITAL1 17
#define SOUND_MIXER_DIGITAL2 18
#define SOUND_MIXER_DIGITAL3 19
#define SOUND_MIXER_PHONEIN 20
#define SOUND_MIXER_PHONEOUT 21
#define SOUND_MIXER_VIDEO 22
#define SOUND_MIXER_RADIO 23
#define SOUND_MIXER_MONITOR 24

#define SOUND_ONOFF_MIN 28
#define SOUND_ONOFF_MAX 30

#define SOUND_MIXER_NONE 31

#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
"Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
"Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
"PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}

#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
"line1", "line2", "line3", "dig1", "dig2", "dig3", \
"phin", "phout", "video", "radio", "monitor"}

#define SOUND_MIXER_RECSRC 0xff
#define SOUND_MIXER_DEVMASK 0xfe
#define SOUND_MIXER_RECMASK 0xfd
#define SOUND_MIXER_CAPS 0xfc
#define SOUND_CAP_EXCL_INPUT 1
#define SOUND_MIXER_STEREODEVS 0xfb

#define MIXER_READ(dev) _IOR('M', dev, int)

#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)

#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)

#define MIXER_WRITE(dev) _IOW ('M', dev, int)
#define MIXER_WRITE_R(dev) _IOWR('M', dev, int)

#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_WRITE_R_RECSRC MIXER_WRITE_R(SOUND_MIXER_RECSRC)

#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)

#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)

typedef struct mixer_info {
char id[16];
char name[32];
int modify_counter;
int fillers[10];
} mixer_info;

typedef struct _old_mixer_info {
char id[16];
char name[32];
} _old_mixer_info;

#define SOUND_MIXER_INFO _IOR('M', 101, mixer_info)
#define SOUND_OLD_MIXER_INFO _IOR('M', 101, _old_mixer_info)

#define OSS_GETVERSION _IOR ('M', 118, int)

typedef struct audio_buf_info {
int fragments;
int fragstotal;
int fragsize;
int bytes;
} audio_buf_info;

typedef struct count_info {
int bytes;
int blocks;
int ptr;
} count_info;

typedef struct buffmem_desc {
unsigned int *buffer;
int size;
} buffmem_desc;

/* Some OSSv4 calls. */

/* Why is yet more duplication necessary? Sigh. */
#define OSS_OPEN_READ PCM_ENABLE_INPUT
#define OSS_OPEN_WRITE PCM_ENABLE_OUTPUT
#define OSS_OPEN_READWRITE (OSS_OPEN_READ|OSS_OPEN_WRITE)

#define OSS_DEVNODE_SIZE 32
#define OSS_LABEL_SIZE 16
#define OSS_LONGNAME_SIZE 64
#define OSS_MAX_AUDIO_DEVS 64

#define SNDCTL_DSP_GETPLAYVOL _IOR ('P',27, uint)
#define SNDCTL_DSP_SETPLAYVOL _IOW ('P',28, uint)
#define SNDCTL_DSP_GETRECVOL _IOR ('P',29, uint)
#define SNDCTL_DSP_SETRECVOL _IOW ('P',30, uint)
#define SNDCTL_DSP_SKIP _IO ('P',31)
#define SNDCTL_DSP_SILENCE _IO ('P',32)
#define SNDCTL_DSP_COOKEDMODE _IOW ('P',33, int)
#define SNDCTL_DSP_GETERROR _IOR ('P',34, struct audio_errinfo)
#define SNDCTL_DSP_CURRENT_IPTR _IOR ('P',35, oss_count_t)
#define SNDCTL_DSP_CURRENT_OPTR _IOR ('P',36, oss_count_t)
#define SNDCTL_DSP_GET_RECSRC_NAMES _IOR ('P',37, oss_mixer_enuminfo)
#define SNDCTL_DSP_GET_RECSRC _IOR ('P',38, int)
#define SNDCTL_DSP_SET_RECSRC _IOWR ('P',38, int)
#define SNDCTL_DSP_GET_PLAYTGT_NAMES _IOR ('P',39, oss_mixer_enuminfo)
#define SNDCTL_DSP_GET_PLAYTGT _IOR ('P',40, int)
#define SNDCTL_DSP_SET_PLAYTGT _IOWR ('P',40, int)

#define SNDCTL_DSP_GET_CHNORDER _IOR ('P',42, unsigned long long)
#define SNDCTL_DSP_SET_CHNORDER _IOWR ('P',42, unsigned long long)

#define SNDCTL_DSP_HALT_OUTPUT _IO ('P',70)
#define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */
#define SNDCTL_DSP_HALT_INPUT _IO ('P',71)
#define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */

#define CHID_UNDEF 0
#define CHID_L 1
#define CHID_R 2
#define CHID_C 3
#define CHID_LFE 4
#define CHID_LS 5
#define CHID_RS 6
#define CHID_LR 7
#define CHID_RR 8
#define CHNORDER_UNDEF 0x0000000000000000ULL
#define CHNORDER_NORMAL 0x0000000087654321ULL

typedef struct {
long long samples;
int fifo_samples;
int filler[32]; /* "Future use" */
} oss_count_t;

typedef struct audio_errinfo {
int play_underruns;
int rec_overruns;
unsigned int play_ptradjust; /* Obsolete */
unsigned int rec_ptradjust; /* Obsolete */
int play_errorcount; /* Unused */
int rec_errorcount; /* Unused */
int play_lasterror; /* Unused */
int rec_lasterror; /* Unused */
int play_errorparm; /* Unused */
int rec_errorparm; /* Unused */
int filler[16]; /* Unused */
} audio_errinfo;

typedef struct oss_sysinfo {
char product[32];
char version[32];
int versionnum;
char options[128]; /* Future use */
int numaudios;
int openedaudio[8]; /* Obsolete */
int numsynths; /* Obsolete */
int nummidis;
int numtimers;
int nummixers;
int openedmidi[8];
int numcards;
int numaudioengines;
char license[16];
char revision_info[256]; /* Internal Use */
int filler[172]; /* For expansion */
} oss_sysinfo;

typedef struct oss_audioinfo {
int dev; /* Set by caller */
char name[OSS_LONGNAME_SIZE];
int busy;
int pid;
int caps;
int iformats;
int oformats;
int magic; /* Unused */
char cmd[OSS_LONGNAME_SIZE];
int card_number;
int port_number;
int mixer_dev;
int legacy_device; /* Obsolete */
int enabled;
int flags; /* Reserved */
int min_rate;
int max_rate;
int min_channels;
int max_channels;
int binding; /* Reserved */
int rate_source;
char handle[32];
#define OSS_MAX_SAMPLE_RATES 20
int nrates;
int rates[OSS_MAX_SAMPLE_RATES];
char song_name[OSS_LONGNAME_SIZE];
char label[OSS_LABEL_SIZE];
int latency; /* In usecs -1 = unknown */
char devnode[OSS_DEVNODE_SIZE];
int next_play_engine;
int next_rec_engine;
int filler[184]; /* For expansion */
} oss_audioinfo;

typedef struct oss_card_info {
int card;
char shortname[16];
char longname[128];
int flags;
char hw_info[400];
int intr_count;
int ack_count;
int filler[154];
} oss_card_info;

#define SNDCTL_SYSINFO _IOR ('X', 1, oss_sysinfo)
#define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */
#define SNDCTL_MIX_NRMIX _IOR ('X',2, int)
#define SNDCTL_MIX_NREXT _IOWR ('X',3, int)
#define SNDCTL_MIX_EXTINFO _IOWR ('X',4, oss_mixext)
#define SNDCTL_MIX_READ _IOWR ('X',5, oss_mixer_value)
#define SNDCTL_MIX_WRITE _IOWR ('X',6, oss_mixer_value)
#define SNDCTL_AUDIOINFO _IOWR ('X',7, oss_audioinfo)
#define SNDCTL_MIX_ENUMINFO _IOWR ('X',8, oss_mixer_enuminfo)
#define SNDCTL_MIXERINFO _IOWR ('X',10, oss_mixerinfo)
#define SNDCTL_CARDINFO _IOWR ('X',11, oss_card_info)
#define SNDCTL_ENGINEINFO _IOWR ('X',12, oss_audioinfo)
#define SNDCTL_AUDIOINFO_EX _IOWR ('X',13, oss_audioinfo)
#define SNDCTL_MIX_DESCRIPTION _IOWR ('X',14, oss_mixer_enuminfo)

#define MIXT_DEVROOT 0 /* Used for default classes */
#define MIXT_GROUP 1 /* Used for classes */
#define MIXT_ONOFF 2 /* Used for mute controls */
#define MIXT_ENUM 3 /* Used for enum controls */
#define MIXT_MONOSLIDER 4 /* Used for mono and surround controls */
#define MIXT_STEREOSLIDER 5 /* Used for stereo controls */
#define MIXT_MESSAGE 6 /* OSS compat, unused on NetBSD */
#define MIXT_MONOVU 7 /* OSS compat, unused on NetBSD */
#define MIXT_STEREOVU 8 /* OSS compat, unused on NetBSD */
#define MIXT_MONOPEAK 9 /* OSS compat, unused on NetBSD */
#define MIXT_STEREOPEAK 10 /* OSS compat, unused on NetBSD */
#define MIXT_RADIOGROUP 11 /* OSS compat, unused on NetBSD */
#define MIXT_MARKER 12 /* OSS compat, unused on NetBSD */
#define MIXT_VALUE 13 /* OSS compat, unused on NetBSD */
#define MIXT_HEXVALUE 14 /* OSS compat, unused on NetBSD */
#define MIXT_MONODB 15 /* OSS compat, unused on NetBSD */
#define MIXT_STEREODB 16 /* OSS compat, unused on NetBSD */
#define MIXT_SLIDER 17 /* OSS compat, unused on NetBSD */
#define MIXT_3D 18 /* OSS compat, unused on NetBSD */
#define MIXT_MONOSLIDER16 19 /* OSS compat, unused on NetBSD */
#define MIXT_STEREOSLIDER16 20 /* OSS compat, unused on NetBSD */
#define MIXT_MUTE 21 /* OSS compat, unused on NetBSD */
/*
* Should be used for Set controls.
* In practice nothing uses this because it's "reserved for Sun's
* implementation".
*/
#define MIXT_ENUM_MULTI 22

#define MIXF_READABLE 0x00000001 /* Value is readable: always true */
#define MIXF_WRITEABLE 0x00000002 /* Value is writable: always true */
#define MIXF_POLL 0x00000004 /* Can change between reads: always true */
#define MIXF_HZ 0x00000008 /* OSS compat, unused on NetBSD */
#define MIXF_STRING 0x00000010 /* OSS compat, unused on NetBSD */
#define MIXF_DYNAMIC 0x00000010 /* OSS compat, unused on NetBSD */
#define MIXF_OKFAIL 0x00000020 /* OSS compat, unused on NetBSD */
#define MIXF_FLAT 0x00000040 /* OSS compat, unused on NetBSD */
#define MIXF_LEGACY 0x00000080 /* OSS compat, unused on NetBSD */
#define MIXF_CENTIBEL 0x00000100 /* OSS compat, unused on NetBSD */
#define MIXF_DECIBEL 0x00000200 /* OSS compat, unused on NetBSD */
#define MIXF_MAINVOL 0x00000400 /* OSS compat, unused on NetBSD */
#define MIXF_PCMVOL 0x00000800 /* OSS compat, unused on NetBSD */
#define MIXF_RECVOL 0x00001000 /* OSS compat, unused on NetBSD */
#define MIXF_MONVOL 0x00002000 /* OSS compat, unused on NetBSD */
#define MIXF_WIDE 0x00004000 /* OSS compat, unused on NetBSD */
#define MIXF_DESCR 0x00008000 /* OSS compat, unused on NetBSD */
#define MIXF_DISABLED 0x00010000 /* OSS compat, unused on NetBSD */

/* None of the mixer capabilities are set on NetBSD. */
#define MIXER_CAP_VIRTUAL 0x00000001 /* Virtual device */
#define MIXER_CAP_LAYOUT_B 0x00000002 /* "Internal use only" */
#define MIXER_CAP_NARROW 0x00000004 /* "Conserve screen space" */

#define OSS_ID_SIZE 16
typedef char oss_id_t[OSS_ID_SIZE];
#define OSS_DEVNODE_SIZE 32
typedef char oss_devnode_t[OSS_DEVNODE_SIZE];
#define OSS_HANDLE_SIZE 32
typedef char oss_handle_t[OSS_HANDLE_SIZE];
#define OSS_LONGNAME_SIZE 64
typedef char oss_longname_t[OSS_LONGNAME_SIZE];
#define OSS_LABEL_SIZE 16
typedef char oss_label_t[OSS_LABEL_SIZE];

typedef struct oss_mixext_root {
oss_id_t id;
char name[48];
} oss_mixext_root;

typedef struct oss_mixerinfo {
int dev;
oss_id_t id;
char name[32];
int modify_counter;
int card_number;
int port_number;
oss_handle_t handle;
int magic; /* "Reserved for internal use" */
int enabled;
int caps;
int flags; /* "Reserved for internal use" */
int nrext;
int priority;
oss_devnode_t devnode;
int legacy_device;
int filler[245];
} oss_mixerinfo;

typedef struct oss_mixer_value {
int dev; /* Set by caller */
int ctrl; /* Set by caller */
int value;
int flags; /* Reserved for "future use" */
int timestamp;
int filler[8]; /* Reserved for "future use" */
} oss_mixer_value;

#define OSS_ENUM_MAXVALUE 255
#define OSS_ENUM_STRINGSIZE 3000

typedef struct oss_mixer_enuminfo {
int dev; /* Set by caller */
int ctrl; /* Set by caller */
int nvalues;
int version;
short strindex[OSS_ENUM_MAXVALUE];
char strings[OSS_ENUM_STRINGSIZE];
} oss_mixer_enuminfo;

typedef struct oss_mixext {
int dev;
int ctrl;
int type;
int maxvalue;
int minvalue;
int flags;
oss_id_t id;
int parent;
int dummy;
int timestamp;
char data[64];
unsigned char enum_present[32];
int control_no;
unsigned int desc;
char extname[32];
int update_counter;
int rgbcolor;
int filler[6];
} oss_mixext;

/*
* These are no-ops on FreeBSD, NetBSD, and Solaris,
* but are defined for compatibility with OSSv4.
*/
#define SNDCTL_SETSONG _IOW ('Y',2, oss_longname_t)
#define SNDCTL_GETSONG _IOR ('Y',2, oss_longname_t)
#define SNDCTL_SETNAME _IOW ('Y',3, oss_longname_t)
#define SNDCTL_SETLABEL _IOW ('Y',4, oss_label_t)
#define SNDCTL_GETLABEL _IOR ('Y',4, oss_label_t)

#define ioctl _oss_ioctl
/*
* If we already included <sys/ioctl.h>, then we define our own prototype,
* else we depend on <sys/ioctl.h> to do it for us. We do it this way, so
* that we don't define the prototype twice.
*/
#ifndef _SYS_IOCTL_H_
#include <sys/ioctl.h>
#else
__BEGIN_DECLS
int _oss_ioctl(int, unsigned long, ...);
__END_DECLS
#endif

#endif /* !_SOUNDCARD_H_ */