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Initial revision

/*	$OpenBSD: ossaudiovar.h,v 1.3 1999/11/20 18:52:00 espie Exp $	*/
/*	$NetBSD: ossaudiovar.h,v 1.4 1997/10/16 16:49:40 augustss 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by the NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 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(caddr_t) data;
};

#define OSS_IOCPARM_MASK    0x7f            /* parameters must be < 128 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) ((u_long)((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_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_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 */

/* 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)

#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;
};