sound.h revision 73126
1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * Copyright by Hannu Savolainen 1995 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/dev/sound/pcm/sound.h 73126 2001-02-27 06:58:55Z cg $ 28 */ 29 30/* 31 * first, include kernel header files. 32 */ 33 34#ifndef _OS_H_ 35#define _OS_H_ 36 37#ifdef _KERNEL 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/ioccom.h> 41#include <sys/filio.h> 42#include <sys/sockio.h> 43#include <sys/fcntl.h> 44#include <sys/tty.h> 45#include <sys/proc.h> 46#include <sys/kernel.h> /* for DATA_SET */ 47#include <sys/module.h> 48#include <sys/conf.h> 49#include <sys/file.h> 50#include <sys/uio.h> 51#include <sys/syslog.h> 52#include <sys/errno.h> 53#include <sys/malloc.h> 54#include <sys/bus.h> 55#if __FreeBSD_version > 500000 56#include <sys/bio.h> 57#endif 58#include <sys/buf.h> 59#include <machine/clock.h> /* for DELAY */ 60#include <machine/resource.h> 61#include <machine/bus.h> 62#include <sys/rman.h> 63#include <sys/mman.h> 64#include <sys/poll.h> 65#include <sys/soundcard.h> 66#include <sys/sysctl.h> 67#include <isa/isavar.h> 68#include <vm/vm.h> 69#include <vm/pmap.h> 70 71#if __FreeBSD_version > 500000 72#define USING_MUTEX 73#define USING_DEVFS 74#define SND_DYNSYSCTL 75#endif 76 77#else 78struct isa_device { int dummy; }; 79#define d_open_t void 80#define d_close_t void 81#define d_read_t void 82#define d_write_t void 83#define d_ioctl_t void 84#define d_select_t void 85#endif /* _KERNEL */ 86 87#endif /* _OS_H_ */ 88 89#include <dev/sound/pcm/datatypes.h> 90#include <dev/sound/pcm/channel.h> 91#include <dev/sound/pcm/buffer.h> 92#include <dev/sound/pcm/feeder.h> 93#include <dev/sound/pcm/mixer.h> 94#include <dev/sound/pcm/dsp.h> 95 96#ifndef ISADMA_WRITE 97#define ISADMA_WRITE B_WRITE 98#define ISADMA_READ B_READ 99#define ISADMA_RAW B_RAW 100#endif 101 102#define PCM_MODVER 1 103 104#define PCM_MINVER 1 105#define PCM_PREFVER PCM_MODVER 106#define PCM_MAXVER 1 107 108#define MAGIC(unit) (0xa4d10de0 + unit) 109 110#define SD_F_SIMPLEX 0x00000001 111#define SD_F_PRIO_RD 0x10000000 112#define SD_F_PRIO_WR 0x20000000 113#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 114#define SD_F_DIR_SET 0x40000000 115#define SD_F_TRANSIENT 0xf0000000 116 117/* many variables should be reduced to a range. Here define a macro */ 118#define RANGE(var, low, high) (var) = \ 119 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 120#define DSP_BUFFSIZE (8192) 121 122/* make figuring out what a format is easier. got AFMT_STEREO already */ 123#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE) 124#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 125#define AFMT_8BIT (AFMT_U8 | AFMT_S8) 126#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 127#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE) 128 129int fkchan_setup(pcm_channel *c); 130int fkchan_kill(pcm_channel *c); 131 132/* 133 * Minor numbers for the sound driver. 134 * 135 * Unfortunately Creative called the codec chip of SB as a DSP. For this 136 * reason the /dev/dsp is reserved for digitized audio use. There is a 137 * device for true DSP processors but it will be called something else. 138 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 139 */ 140 141#define SND_DEV_CTL 0 /* Control port /dev/mixer */ 142#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ 143#define SND_DEV_MIDIN 2 /* Raw midi access */ 144#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ 145#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 146#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 147#define SND_DEV_STATUS 6 /* /dev/sndstat */ 148 /* #7 not in use now. */ 149#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 150#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 151#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 152#define SND_DEV_NORESET 10 153 154#define DSP_DEFAULT_SPEED 8000 155 156#define ON 1 157#define OFF 0 158 159#ifdef _KERNEL 160 161/* 162 * some macros for debugging purposes 163 * DDB/DEB to enable/disable debugging stuff 164 * BVDDB to enable debugging when bootverbose 165 */ 166#define DDB(x) x /* XXX */ 167#define BVDDB(x) if (bootverbose) x 168 169#ifndef DEB 170#define DEB(x) 171#endif 172 173SYSCTL_DECL(_hw_snd); 174 175int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo); 176int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 177int pcm_unregister(device_t dev); 178int pcm_setstatus(device_t dev, char *str); 179u_int32_t pcm_getflags(device_t dev); 180void pcm_setflags(device_t dev, u_int32_t val); 181void *pcm_getdevinfo(device_t dev); 182 183#endif /* _KERNEL */ 184 185/* usage of flags in device config entry (config file) */ 186#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 187#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 188 189/* ought to be made obsolete */ 190#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 191#define DV_F_DEV_SHIFT 8 /* force device type/class */ 192