sound.h revision 64881
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 64881 2000-08-20 22:18:56Z 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 <isa/isavar.h> 67#include <vm/vm.h> 68#include <vm/pmap.h> 69 70#else 71struct isa_device { int dummy; }; 72#define d_open_t void 73#define d_close_t void 74#define d_read_t void 75#define d_write_t void 76#define d_ioctl_t void 77#define d_select_t void 78#endif /* _KERNEL */ 79 80#endif /* _OS_H_ */ 81 82#include <dev/sound/pcm/datatypes.h> 83#include <dev/sound/pcm/channel.h> 84#include <dev/sound/pcm/feeder.h> 85#include <dev/sound/pcm/mixer.h> 86#include <dev/sound/pcm/dsp.h> 87 88#ifndef ISADMA_WRITE 89#define ISADMA_WRITE B_WRITE 90#define ISADMA_READ B_READ 91#define ISADMA_RAW B_RAW 92#endif 93 94#define PCM_MODVER 1 95 96#define PCM_MINVER 1 97#define PCM_PREFVER PCM_MODVER 98#define PCM_MAXVER 1 99 100#define MAGIC(unit) (0xa4d10de0 + unit) 101 102#define SD_F_SIMPLEX 0x00000001 103#define SD_F_PRIO_RD 0x10000000 104#define SD_F_PRIO_WR 0x20000000 105#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 106#define SD_F_DIR_SET 0x40000000 107#define SD_F_TRANSIENT 0xf0000000 108 109/* many variables should be reduced to a range. Here define a macro */ 110#define RANGE(var, low, high) (var) = \ 111 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 112/* 113#define DSP_BUFFSIZE (65536 - 256) 114*/ 115#define DSP_BUFFSIZE (8192) 116/* the last 256 bytes are room for buggy soundcard to overflow. */ 117 118/* make figuring out what a format is easier. got AFMT_STEREO already */ 119#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 120#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 121#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE) 122 123int fkchan_setup(pcm_channel *c); 124 125/* 126 * Minor numbers for the sound driver. 127 * 128 * Unfortunately Creative called the codec chip of SB as a DSP. For this 129 * reason the /dev/dsp is reserved for digitized audio use. There is a 130 * device for true DSP processors but it will be called something else. 131 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 132 */ 133 134#define SND_DEV_CTL 0 /* Control port /dev/mixer */ 135#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ 136#define SND_DEV_MIDIN 2 /* Raw midi access */ 137#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ 138#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 139#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 140#define SND_DEV_STATUS 6 /* /dev/sndstat */ 141 /* #7 not in use now. */ 142#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 143#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 144#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 145#define SND_DEV_NORESET 10 146 147#define DSP_DEFAULT_SPEED 8000 148 149#define ON 1 150#define OFF 0 151 152#ifdef _KERNEL 153 154/* 155 * some macros for debugging purposes 156 * DDB/DEB to enable/disable debugging stuff 157 * BVDDB to enable debugging when bootverbose 158 */ 159#define DDB(x) x /* XXX */ 160#define BVDDB(x) if (bootverbose) x 161 162#ifndef DEB 163#define DEB(x) 164#endif 165 166int pcm_addchan(device_t dev, int dir, pcm_channel *templ, void *devinfo); 167int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 168int pcm_setstatus(device_t dev, char *str); 169u_int32_t pcm_getflags(device_t dev); 170void pcm_setflags(device_t dev, u_int32_t val); 171void *pcm_getdevinfo(device_t dev); 172void pcm_setswap(device_t dev, pcm_swap_t *swap); 173 174#endif /* _KERNEL */ 175 176/* usage of flags in device config entry (config file) */ 177#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 178#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 179 180/* ought to be made obsolete */ 181#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 182#define DV_F_DEV_SHIFT 8 /* force device type/class */ 183