sound.h revision 55204
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 55204 1999-12-29 03:46:54Z cg $ 28 */ 29 30#ifdef KERNEL 31#include "pcm.h" 32#else 33#error why? 34#define NPCM 1 35#endif 36#if NPCM > 0 37 38/* 39 * first, include kernel header files. 40 */ 41 42#ifndef _OS_H_ 43#define _OS_H_ 44 45#ifdef KERNEL 46#include <sys/param.h> 47#include <sys/systm.h> 48#include <sys/ioccom.h> 49 50#include <sys/filio.h> 51#include <sys/sockio.h> 52#include <sys/fcntl.h> 53#include <sys/tty.h> 54#include <sys/proc.h> 55 56#include <sys/kernel.h> /* for DATA_SET */ 57 58#include <sys/module.h> 59#include <sys/conf.h> 60#include <sys/file.h> 61#include <sys/uio.h> 62#include <sys/syslog.h> 63#include <sys/errno.h> 64#include <sys/malloc.h> 65#include <sys/bus.h> 66#include <sys/buf.h> 67#include <machine/clock.h> /* for DELAY */ 68#include <machine/resource.h> 69#include <machine/bus_memio.h> 70#include <machine/bus_pio.h> 71#include <machine/bus.h> 72#include <sys/rman.h> 73#include <sys/mman.h> 74#include <sys/poll.h> 75#include <sys/soundcard.h> 76#include <isa/isavar.h> 77#include <vm/vm.h> 78#include <vm/pmap.h> 79 80#else 81struct isa_device { int dummy; }; 82#define d_open_t void 83#define d_close_t void 84#define d_read_t void 85#define d_write_t void 86#define d_ioctl_t void 87#define d_select_t void 88#endif /* KERNEL */ 89 90#endif /* _OS_H_ */ 91 92#include <dev/sound/pcm/datatypes.h> 93#include <dev/sound/pcm/channel.h> 94#include <dev/sound/pcm/mixer.h> 95#include <dev/sound/pcm/dsp.h> 96 97#define MAGIC(unit) (0xa4d10de0 + unit) 98 99#define SD_F_SIMPLEX 0x00000001 100#define SD_F_PRIO_RD 0x10000000 101#define SD_F_PRIO_WR 0x20000000 102#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 103#define SD_F_DIR_SET 0x40000000 104#define SD_F_TRANSIENT 0xf0000000 105 106/* many variables should be reduced to a range. Here define a macro */ 107#define RANGE(var, low, high) (var) = \ 108 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 109/* 110#define DSP_BUFFSIZE (65536 - 256) 111*/ 112#define DSP_BUFFSIZE (8192) 113/* the last 256 bytes are room for buggy soundcard to overflow. */ 114 115/* make figuring out what a format is easier. got AFMT_STEREO already */ 116#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 117#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 118#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE) 119 120int fkchan_setup(pcm_channel *c); 121 122/* 123 * Minor numbers for the sound driver. 124 * 125 * Unfortunately Creative called the codec chip of SB as a DSP. For this 126 * reason the /dev/dsp is reserved for digitized audio use. There is a 127 * device for true DSP processors but it will be called something else. 128 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 129 */ 130 131#define SND_DEV_CTL 0 /* Control port /dev/mixer */ 132#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ 133#define SND_DEV_MIDIN 2 /* Raw midi access */ 134#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ 135#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 136#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 137#define SND_DEV_STATUS 6 /* /dev/sndstat */ 138 /* #7 not in use now. */ 139#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 140#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 141#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 142#define SND_DEV_NORESET 10 143 144#define DSP_DEFAULT_SPEED 8000 145 146#define ON 1 147#define OFF 0 148 149#ifdef KERNEL 150 151/* 152 * some macros for debugging purposes 153 * DDB/DEB to enable/disable debugging stuff 154 * BVDDB to enable debugging when bootverbose 155 */ 156#define DDB(x) x /* XXX */ 157#define BVDDB(x) if (bootverbose) x 158 159#ifndef DEB 160#define DEB(x) 161#endif 162 163int pcm_addchan(device_t dev, int dir, pcm_channel *templ, void *devinfo); 164int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 165int pcm_setstatus(device_t dev, char *str); 166u_int32_t pcm_getflags(device_t dev); 167void pcm_setflags(device_t dev, u_int32_t val); 168void pcm_setswap(device_t dev, pcm_swap_t *swap); 169 170#endif /* KERNEL */ 171 172/* usage of flags in device config entry (config file) */ 173#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 174#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 175 176/* ought to be made obsolete */ 177#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 178#define DV_F_DEV_SHIFT 8 /* force device type/class */ 179 180#endif 181