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 * $FreeBSD$ 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 81 struct 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/pcm/datatypes.h> 93 #include <dev/pcm/channel.h> 94 #include <dev/pcm/mixer.h> 95 #include <dev/pcm/dsp.h> 96 97 #define MAGIC(unit) (0xa4d10de0 + unit) 98 99 #define SD_F_SIMPLEX 0x00000001 100 #define SD_F_EVILSB16 0x00000002 101 #define SD_F_PRIO_RD 0x10000000 102 #define SD_F_PRIO_WR 0x20000000 103 #define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 104 #define SD_F_DIR_SET 0x40000000 105 #define SD_F_TRANSIENT 0xf0000000 106 107 /* many variables should be reduced to a range. Here define a macro */ 108 #define RANGE(var, low, high) (var) = \ 109 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 110 111 #define DSP_BUFFSIZE (65536 - 256) /* XXX */ 112 /* the last 256 bytes are room for buggy soundcard to overflow. */ 113 114 /* make figuring out what a format is easier. got AFMT_STEREO already */ 115 #define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 116 #define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 117 #define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE) 118 119 int fkchan_setup(pcm_channel *c); 120 121 #ifdef KERNEL 122 #include "pnp.h" 123 #endif /* KERNEL */ 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 165 166 int pcm_addchan(device_t dev, int dir, pcm_channel *templ, void *devinfo); 167 int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 168 int pcm_setstatus(device_t dev, char *str); 169 u_int32_t pcm_getflags(device_t dev); 170 void pcm_setflags(device_t dev, u_int32_t val); 171 172 #endif /* KERNEL */ 173 174 /* usage of flags in device config entry (config file) */ 175 #define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 176 #define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 177 178 /* ought to be made obsolete */ 179 #define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 180 #define DV_F_DEV_SHIFT 8 /* force device type/class */ 181 182 #endif 183