/*      $NetBSD: ossaudiovar.h,v 1.16 2011/09/06 01:19:34 jmcneill Exp $        */

/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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.
*/

struct oss_sys_ioctl_args {
       syscallarg(int) fd;
       syscallarg(u_long) com;
       syscallarg(void *) data;
};

#define OSS_IOCPARM_MASK    0xfff           /* parameters must be < 4096 bytes */
#define OSS_IOC_VOID        0x00000000      /* no parameters */
#define OSS_IOC_IN          0x40000000      /* copy in parameters */
#define OSS_IOC_OUT         0x80000000      /* copy out parameters */
#define OSS_IOC_INOUT       (OSS_IOC_IN | OSS_IOC_OUT)
#define _OSS_IOCTL(w,x,y,z) ((uint)((w)|(((z)&OSS_IOCPARM_MASK)<<16)|((x)<<8)|(y)))
#define _OSS_IO(x,y)        _OSS_IOCTL(OSS_IOC_VOID, x, y, 0)
#define _OSS_IOR(x,y,t)     _OSS_IOCTL(OSS_IOC_OUT, x, y, sizeof(t))
#define _OSS_IOW(x,y,t)     _OSS_IOCTL(OSS_IOC_IN, x, y, sizeof(t))
#define _OSS_IOWR(x,y,t)    _OSS_IOCTL(OSS_IOC_INOUT, x, y, sizeof(t))

#define OSS_IOCTL_SIZE(x) (((x) >> 16) & OSS_IOCPARM_MASK)

#define OSS_SNDCTL_DSP_RESET            _OSS_IO  ('P', 0)
#define OSS_SNDCTL_DSP_SYNC             _OSS_IO  ('P', 1)
#define OSS_SNDCTL_DSP_SPEED            _OSS_IOWR('P', 2, int)
#define OSS_SOUND_PCM_READ_RATE         _OSS_IOR ('P', 2, int)
#define OSS_SNDCTL_DSP_STEREO           _OSS_IOWR('P', 3, int)
#define OSS_SNDCTL_DSP_GETBLKSIZE       _OSS_IOWR('P', 4, int)
#define OSS_SNDCTL_DSP_SETFMT           _OSS_IOWR('P', 5, int)
#define OSS_SOUND_PCM_READ_BITS         _OSS_IOR ('P', 5, int)
#define OSS_SNDCTL_DSP_CHANNELS         _OSS_IOWR('P', 6, int)
#define OSS_SOUND_PCM_READ_CHANNELS     _OSS_IOR ('P', 6, int)
#define OSS_SOUND_PCM_WRITE_FILTER      _OSS_IOWR('P', 7, int)
#define OSS_SOUND_PCM_READ_FILTER       _OSS_IOR ('P', 7, int)
#define OSS_SNDCTL_DSP_POST             _OSS_IO  ('P', 8)
#define OSS_SNDCTL_DSP_SUBDIVIDE        _OSS_IOWR('P', 9, int)
#define OSS_SNDCTL_DSP_SETFRAGMENT      _OSS_IOWR('P', 10, int)
#define OSS_SNDCTL_DSP_GETFMTS          _OSS_IOR ('P', 11, int)
#define OSS_SNDCTL_DSP_GETOSPACE        _OSS_IOR ('P',12, struct oss_audio_buf_info)
#define OSS_SNDCTL_DSP_GETISPACE        _OSS_IOR ('P',13, struct oss_audio_buf_info)
#define OSS_SNDCTL_DSP_NONBLOCK         _OSS_IO  ('P',14)
#define OSS_SNDCTL_DSP_GETCAPS          _OSS_IOR ('P',15, int)
# define OSS_DSP_CAP_REVISION           0x000000ff
# define OSS_DSP_CAP_DUPLEX             0x00000100
# define OSS_DSP_CAP_REALTIME           0x00000200
# define OSS_DSP_CAP_BATCH              0x00000400
# define OSS_DSP_CAP_COPROC             0x00000800
# define OSS_DSP_CAP_TRIGGER            0x00001000
# define OSS_DSP_CAP_MMAP               0x00002000
#define OSS_SNDCTL_DSP_GETTRIGGER       _OSS_IOR ('P', 16, int)
#define OSS_SNDCTL_DSP_SETTRIGGER       _OSS_IOW ('P', 16, int)
# define OSS_PCM_ENABLE_INPUT           0x00000001
# define OSS_PCM_ENABLE_OUTPUT          0x00000002
#define OSS_SNDCTL_DSP_GETIPTR          _OSS_IOR ('P', 17, struct oss_count_info)
#define OSS_SNDCTL_DSP_GETOPTR          _OSS_IOR ('P', 18, struct oss_count_info)
#define OSS_SNDCTL_DSP_MAPINBUF         _OSS_IOR ('P', 19, struct oss_buffmem_desc)
#define OSS_SNDCTL_DSP_MAPOUTBUF        _OSS_IOR ('P', 20, struct oss_buffmem_desc)
#define OSS_SNDCTL_DSP_SETSYNCRO        _OSS_IO  ('P', 21)
#define OSS_SNDCTL_DSP_SETDUPLEX        _OSS_IO  ('P', 22)
#define OSS_SNDCTL_DSP_GETODELAY        _OSS_IOR ('P', 23, int)
#define OSS_SNDCTL_DSP_PROFILE          _OSS_IOW ('P', 23, int)
#define   OSS_APF_NORMAL                0       /* Normal applications */
#define   OSS_APF_NETWORK               1       /* "external" delays */
#define   OSS_APF_CPUINTENS             2       /* CPU delays */

#define OSS_AFMT_QUERY                  0x00000000      /* Return current fmt */
#define OSS_AFMT_MU_LAW                 0x00000001
#define OSS_AFMT_A_LAW                  0x00000002
#define OSS_AFMT_IMA_ADPCM              0x00000004
#define OSS_AFMT_U8                     0x00000008
#define OSS_AFMT_S16_LE                 0x00000010      /* Little endian signed 16 */
#define OSS_AFMT_S16_BE                 0x00000020      /* Big endian signed 16 */
#define OSS_AFMT_S8                     0x00000040
#define OSS_AFMT_U16_LE                 0x00000080      /* Little endian U16 */
#define OSS_AFMT_U16_BE                 0x00000100      /* Big endian U16 */
#define OSS_AFMT_MPEG                   0x00000200      /* MPEG (2) audio */
#define OSS_AFMT_AC3                    0x00000400      /* Dolby Digital AC3 */

/* Mixer defines */
#define OSS_SOUND_MIXER_FIRST           0
#define OSS_SOUND_MIXER_NRDEVICES       17

#define OSS_SOUND_MIXER_VOLUME          0
#define OSS_SOUND_MIXER_BASS            1
#define OSS_SOUND_MIXER_TREBLE          2
#define OSS_SOUND_MIXER_SYNTH           3
#define OSS_SOUND_MIXER_PCM             4
#define OSS_SOUND_MIXER_SPEAKER         5
#define OSS_SOUND_MIXER_LINE            6
#define OSS_SOUND_MIXER_MIC             7
#define OSS_SOUND_MIXER_CD              8
#define OSS_SOUND_MIXER_IMIX            9
#define OSS_SOUND_MIXER_ALTPCM          10
#define OSS_SOUND_MIXER_RECLEV          11
#define OSS_SOUND_MIXER_IGAIN           12
#define OSS_SOUND_MIXER_OGAIN           13
#define OSS_SOUND_MIXER_LINE1           14
#define OSS_SOUND_MIXER_LINE2           15
#define OSS_SOUND_MIXER_LINE3           16

#define OSS_SOUND_MIXER_RECSRC          0xff
#define OSS_SOUND_MIXER_DEVMASK         0xfe
#define OSS_SOUND_MIXER_RECMASK         0xfd
#define OSS_SOUND_MIXER_CAPS            0xfc
#define  OSS_SOUND_CAP_EXCL_INPUT       1
#define OSS_SOUND_MIXER_STEREODEVS      0xfb

#define OSS_MIXER_READ(dev)             _OSS_IOR('M', dev, int)

#define OSS_SOUND_MIXER_READ_RECSRC     OSS_MIXER_READ(OSS_SOUND_MIXER_RECSRC)
#define OSS_SOUND_MIXER_READ_DEVMASK    OSS_MIXER_READ(OSS_SOUND_MIXER_DEVMASK)
#define OSS_SOUND_MIXER_READ_RECMASK    OSS_MIXER_READ(OSS_SOUND_MIXER_RECMASK)
#define OSS_SOUND_MIXER_READ_STEREODEVS OSS_MIXER_READ(OSS_SOUND_MIXER_STEREODEVS)
#define OSS_SOUND_MIXER_READ_CAPS       OSS_MIXER_READ(OSS_SOUND_MIXER_CAPS)

#define OSS_MIXER_WRITE(dev)            _OSS_IOW('M', dev, int)
#define OSS_MIXER_WRITE_R(dev)          _OSS_IOWR('M', dev, int)

#define OSS_SOUND_MIXER_WRITE_RECSRC    OSS_MIXER_WRITE(OSS_SOUND_MIXER_RECSRC)
#define OSS_SOUND_MIXER_WRITE_R_RECSRC  OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_RECSRC)

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

struct oss_old_mixer_info {
       char id[16];
       char name[32];
};

#define OSS_SOUND_MIXER_INFO            _OSS_IOR('M', 101, struct oss_mixer_info)
#define OSS_SOUND_OLD_MIXER_INFO        _OSS_IOR('M', 101, struct oss_old_mixer_info)

#define OSS_SOUND_VERSION   0x030000
#define OSS_GET_VERSION                 _OSS_IOR('M', 118, int)

#define OSS_GET_DEV(com) ((com) & 0xff)

struct oss_audio_buf_info {
       int fragments;
       int fragstotal;
       int fragsize;
       int bytes;
};

struct oss_count_info {
       int bytes;
       int blocks;
       int ptr;
};

struct oss_buffmem_desc {
       unsigned int *buffer;
       int size;
};

/*
* MIDI and sequencer I/O.
*/
#define OSS_SEQ_RESET                   _OSS_IO  ('Q', 0)
#define OSS_SEQ_SYNC                    _OSS_IO  ('Q', 1)
#define OSS_SYNTH_INFO                  _OSS_IOWR('Q', 2, struct oss_synth_info)
#define OSS_SEQ_CTRLRATE                _OSS_IOWR('Q', 3, int)
#define OSS_SEQ_GETOUTCOUNT             _OSS_IOR ('Q', 4, int)
#define OSS_SEQ_GETINCOUNT              _OSS_IOR ('Q', 5, int)
#define OSS_SEQ_PERCMODE                _OSS_IOW ('Q', 6, int)
#define OSS_SEQ_TESTMIDI                _OSS_IOW ('Q', 8, int)
#define OSS_SEQ_RESETSAMPLES            _OSS_IOW ('Q', 9, int)
#define OSS_SEQ_NRSYNTHS                _OSS_IOR ('Q',10, int)
#define OSS_SEQ_NRMIDIS                 _OSS_IOR ('Q',11, int)
#define OSS_MIDI_INFO                   _OSS_IOWR('Q',12, struct oss_midi_info)
#define OSS_SEQ_THRESHOLD               _OSS_IOW ('Q',13, int)
#define OSS_MEMAVL                      _OSS_IOWR('Q',14, int)
#define OSS_FM_4OP_ENABLE               _OSS_IOW ('Q',15, int)
#define OSS_SEQ_PANIC                   _OSS_IO  ('Q',17)
#define OSS_SEQ_OUTOFBAND               _OSS_IOW ('Q',18, struct oss_seq_event_rec)
#define OSS_SEQ_GETTIME                 _OSS_IOR ('Q',19, int)
#define OSS_ID                          _OSS_IOWR('Q',20, struct oss_synth_info)
#define OSS_CONTROL                     _OSS_IOWR('Q',21, struct oss_synth_control)
#define OSS_REMOVESAMPLE                _OSS_IOWR('Q',22, struct oss_remove_sample)

struct oss_synth_control {
       int devno;      /* Synthesizer # */
       char data[4000]; /* Device specific command/data record */
};

struct oss_remove_sample {
       int devno;      /* Synthesizer # */
       int bankno;     /* MIDI bank # (0=General MIDI) */
       int instrno;    /* MIDI instrument number */
};

struct oss_seq_event_rec {
       u_char arr[8];
};

struct oss_synth_info {
       char    name[30];
       int     device;
       int     synth_type;
#define OSS_SYNTH_TYPE_FM               0
#define OSS_SYNTH_TYPE_SAMPLE           1
#define OSS_SYNTH_TYPE_MIDI             2

       int     synth_subtype;
#define OSS_FM_TYPE_ADLIB               0x00
#define OSS_FM_TYPE_OPL3                0x01
#define OSS_MIDI_TYPE_MPU401            0x401

#define OSS_SAMPLE_TYPE_BASIC           0x10
#define OSS_SAMPLE_TYPE_GUS             OSS_SAMPLE_TYPE_BASIC

       int     perc_mode;
       int     nr_voices;
       int     nr_drums;
       int     instr_bank_size;
       u_int   capabilities;
#define OSS_SYNTH_CAP_PERCMODE          0x00000001
#define OSS_SYNTH_CAP_OPL3              0x00000002
#define OSS_SYNTH_CAP_INPUT             0x00000004
       int     _unused[19];
};

#define OSS_TMR_TIMEBASE                _OSS_IOWR('T', 1, int)
#define OSS_TMR_START                   _OSS_IO  ('T', 2)
#define OSS_TMR_STOP                    _OSS_IO  ('T', 3)
#define OSS_TMR_CONTINUE                _OSS_IO  ('T', 4)
#define OSS_TMR_TEMPO                   _OSS_IOWR('T', 5, int)
#define OSS_TMR_SOURCE                  _OSS_IOWR('T', 6, int)
#  define OSS_TMR_INTERNAL              0x00000001
#  define OSS_TMR_EXTERNAL              0x00000002
#  define OSS_TMR_MODE_MIDI             0x00000010
#  define OSS_TMR_MODE_FSK              0x00000020
#  define OSS_TMR_MODE_CLS              0x00000040
#  define OSS_TMR_MODE_SMPTE            0x00000080
#define OSS_TMR_METRONOME               _OSS_IOW ('T', 7, int)
#define OSS_TMR_SELECT                  _OSS_IOW ('T', 8, int)

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