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 /* 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 42 #include <sys/filio.h> 43 #include <sys/sockio.h> 44 #include <sys/fcntl.h> 45 #include <sys/tty.h> 46 #include <sys/proc.h> 47 48 #include <sys/kernel.h> /* for DATA_SET */ 49 50 #if __FreeBSD_version < 500000 51 #define MODULE_VERSION(mod, ver) 52 #define MODULE_DEPEND(mod, dep, min, pref, max) 53 54 #define ISADMA_WRITE B_WRITE 55 #define ISADMA_READ B_READ 56 #define ISADMA_RAW B_RAW 57 #endif 58 59 #include <sys/module.h> 60 #include <sys/conf.h> 61 #include <sys/file.h> 62 #include <sys/uio.h> 63 #include <sys/syslog.h> 64 #include <sys/errno.h> 65 #include <sys/malloc.h> 66 #include <sys/bus.h> 67 #if __FreeBSD_version > 500000 68 #include <sys/bio.h> 69 #endif 70 #include <sys/buf.h> 71 #include <machine/clock.h> /* for DELAY */ 72 #include <machine/resource.h> 73 #include <machine/bus.h> 74 #include <sys/rman.h> 75 #include <sys/mman.h> 76 #include <sys/poll.h> 77 #include <sys/soundcard.h> 78 #include <isa/isavar.h> 79 #include <vm/vm.h> 80 #include <vm/pmap.h> 81 82 #else 83 struct isa_device { int dummy; }; 84 #define d_open_t void 85 #define d_close_t void 86 #define d_read_t void 87 #define d_write_t void 88 #define d_ioctl_t void 89 #define d_select_t void 90 #endif /* _KERNEL */ 91 92 #endif /* _OS_H_ */ 93 94 #include <dev/sound/pcm/datatypes.h> 95 #include <dev/sound/pcm/channel.h> 96 #include <dev/sound/pcm/mixer.h> 97 #include <dev/sound/pcm/dsp.h> 98 99 #define PCM_MODVER 1 100 101 #define PCM_MINVER 1 102 #define PCM_PREFVER PCM_MODVER 103 #define PCM_MAXVER 1 104 105 #define MAGIC(unit) (0xa4d10de0 + unit) 106 107 #define SD_F_SIMPLEX 0x00000001 108 #define SD_F_PRIO_RD 0x10000000 109 #define SD_F_PRIO_WR 0x20000000 110 #define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 111 #define SD_F_DIR_SET 0x40000000 112 #define SD_F_TRANSIENT 0xf0000000 113 114 /* many variables should be reduced to a range. Here define a macro */ 115 #define RANGE(var, low, high) (var) = \ 116 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 117 /* 118 #define DSP_BUFFSIZE (65536 - 256) 119 */ 120 #define DSP_BUFFSIZE (8192) 121 /* the last 256 bytes are room for buggy soundcard to overflow. */ 122 123 /* make figuring out what a format is easier. got AFMT_STEREO already */ 124 #define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 125 #define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 126 #define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE) 127 128 int fkchan_setup(pcm_channel *c); 129 130 /* 131 * Minor numbers for the sound driver. 132 * 133 * Unfortunately Creative called the codec chip of SB as a DSP. For this 134 * reason the /dev/dsp is reserved for digitized audio use. There is a 135 * device for true DSP processors but it will be called something else. 136 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 137 */ 138 139 #define SND_DEV_CTL 0 /* Control port /dev/mixer */ 140 #define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ 141 #define SND_DEV_MIDIN 2 /* Raw midi access */ 142 #define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ 143 #define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 144 #define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 145 #define SND_DEV_STATUS 6 /* /dev/sndstat */ 146 /* #7 not in use now. */ 147 #define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 148 #define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 149 #define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 150 #define SND_DEV_NORESET 10 151 152 #define DSP_DEFAULT_SPEED 8000 153 154 #define ON 1 155 #define OFF 0 156 157 #ifdef _KERNEL 158 159 /* 160 * some macros for debugging purposes 161 * DDB/DEB to enable/disable debugging stuff 162 * BVDDB to enable debugging when bootverbose 163 */ 164 #define DDB(x) x /* XXX */ 165 #define BVDDB(x) if (bootverbose) x 166 167 #ifndef DEB 168 #define DEB(x) 169 #endif 170 171 int pcm_addchan(device_t dev, int dir, pcm_channel *templ, void *devinfo); 172 int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 173 int pcm_setstatus(device_t dev, char *str); 174 u_int32_t pcm_getflags(device_t dev); 175 void pcm_setflags(device_t dev, u_int32_t val); 176 void *pcm_getdevinfo(device_t dev); 177 void pcm_setswap(device_t dev, pcm_swap_t *swap); 178 179 #endif /* _KERNEL */ 180 181 /* usage of flags in device config entry (config file) */ 182 #define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 183 #define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 184 185 /* ought to be made obsolete */ 186 #define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 187 #define DV_F_DEV_SHIFT 8 /* force device type/class */ 188