1/*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 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 *
| 1/*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 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 169319 2007-05-06 16:46:23Z ariff $
| 27 * $FreeBSD: head/sys/dev/sound/pcm/sound.h 170161 2007-05-31 18:43:33Z ariff $
|
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/buf.h> 57#endif 58#include <machine/resource.h> 59#include <machine/bus.h> 60#include <sys/rman.h> 61#include <sys/limits.h> 62#include <sys/mman.h> 63#include <sys/poll.h> 64#include <sys/sbuf.h> 65#include <sys/soundcard.h> 66#include <sys/sysctl.h> 67#include <sys/kobj.h> 68#include <vm/vm.h> 69#include <vm/pmap.h> 70 71#undef USING_MUTEX 72#undef USING_DEVFS 73 74#if __FreeBSD_version > 500000 75#include <sys/lock.h> 76#include <sys/mutex.h> 77#include <sys/condvar.h> 78 79#define USING_MUTEX 80#define USING_DEVFS 81#else 82#define INTR_TYPE_AV INTR_TYPE_TTY 83#define INTR_MPSAFE 0 84#endif 85 86#define SND_DYNSYSCTL 87 88struct pcm_channel; 89struct pcm_feeder; 90struct snd_dbuf; 91struct snd_mixer; 92 93#include <dev/sound/pcm/buffer.h> 94#include <dev/sound/pcm/channel.h> 95#include <dev/sound/pcm/feeder.h> 96#include <dev/sound/pcm/mixer.h> 97#include <dev/sound/pcm/dsp.h>
| 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/buf.h> 57#endif 58#include <machine/resource.h> 59#include <machine/bus.h> 60#include <sys/rman.h> 61#include <sys/limits.h> 62#include <sys/mman.h> 63#include <sys/poll.h> 64#include <sys/sbuf.h> 65#include <sys/soundcard.h> 66#include <sys/sysctl.h> 67#include <sys/kobj.h> 68#include <vm/vm.h> 69#include <vm/pmap.h> 70 71#undef USING_MUTEX 72#undef USING_DEVFS 73 74#if __FreeBSD_version > 500000 75#include <sys/lock.h> 76#include <sys/mutex.h> 77#include <sys/condvar.h> 78 79#define USING_MUTEX 80#define USING_DEVFS 81#else 82#define INTR_TYPE_AV INTR_TYPE_TTY 83#define INTR_MPSAFE 0 84#endif 85 86#define SND_DYNSYSCTL 87 88struct pcm_channel; 89struct pcm_feeder; 90struct snd_dbuf; 91struct snd_mixer; 92 93#include <dev/sound/pcm/buffer.h> 94#include <dev/sound/pcm/channel.h> 95#include <dev/sound/pcm/feeder.h> 96#include <dev/sound/pcm/mixer.h> 97#include <dev/sound/pcm/dsp.h>
|
| 98#include <dev/sound/clone.h> 99#include <dev/sound/unit.h>
|
98 99#define PCM_SOFTC_SIZE 512 100 101#define SND_STATUSLEN 64 102 103#define SOUND_MODVER 2 104 105#define SOUND_MINVER SOUND_MODVER 106#define SOUND_PREFVER SOUND_MODVER 107#define SOUND_MAXVER SOUND_MODVER 108 109/* 110 * We're abusing the fact that MAXMINOR still have enough room
| 100 101#define PCM_SOFTC_SIZE 512 102 103#define SND_STATUSLEN 64 104 105#define SOUND_MODVER 2 106 107#define SOUND_MINVER SOUND_MODVER 108#define SOUND_PREFVER SOUND_MODVER 109#define SOUND_MAXVER SOUND_MODVER 110 111/* 112 * We're abusing the fact that MAXMINOR still have enough room
|
111 * for our bit twiddling and nobody ever need 2048 unique soundcards, 112 * 32 unique device types and 256 unique cloneable devices for the 113 * next 100 years... or until the NextPCM. 114 * 115 * MAXMINOR 0xffff00ff 116 * | | 117 * | +--- PCMMAXCHAN 118 * | 119 * +-------- ((PCMMAXUNIT << 5) | PCMMAXDEV) << 16
| 113 * for our bit twiddling and nobody ever need 512 unique soundcards, 114 * 32 unique device types and 1024 unique cloneable devices for the 115 * next 100 years...
|
120 */ 121
| 116 */ 117
|
122#define PCMMAXCHAN 0xff 123#define PCMMAXDEV 0x1f 124#define PCMMAXUNIT 0x7ff 125#define PCMMINOR(x) minor(x) 126#define PCMCHAN(x) (PCMMINOR(x) & PCMMAXCHAN) 127#define PCMUNIT(x) ((PCMMINOR(x) >> 21) & PCMMAXUNIT) 128#define PCMDEV(x) ((PCMMINOR(x) >> 16) & PCMMAXDEV) 129#define PCMMKMINOR(u, d, c) ((((u) & PCMMAXUNIT) << 21) | \ 130 (((d) & PCMMAXDEV) << 16) | ((c) & PCMMAXCHAN))
| 118#define PCMMAXUNIT (snd_max_u()) 119#define PCMMAXDEV (snd_max_d()) 120#define PCMMAXCHAN (snd_max_c())
|
131
| 121
|
| 122#define PCMMAXCLONE PCMMAXCHAN 123 124#define PCMUNIT(x) (snd_unit2u(dev2unit(x))) 125#define PCMDEV(x) (snd_unit2d(dev2unit(x))) 126#define PCMCHAN(x) (snd_unit2c(dev2unit(x))) 127 128/* 129 * By design, limit possible channels for each direction. 130 */ 131#define SND_MAXHWCHAN 256 132#define SND_MAXVCHANS SND_MAXHWCHAN 133
|
132#define SD_F_SIMPLEX 0x00000001 133#define SD_F_AUTOVCHAN 0x00000002 134#define SD_F_SOFTPCMVOL 0x00000004 135#define SD_F_PSWAPLR 0x00000008 136#define SD_F_RSWAPLR 0x00000010
| 134#define SD_F_SIMPLEX 0x00000001 135#define SD_F_AUTOVCHAN 0x00000002 136#define SD_F_SOFTPCMVOL 0x00000004 137#define SD_F_PSWAPLR 0x00000008 138#define SD_F_RSWAPLR 0x00000010
|
| 139#define SD_F_DYING 0x00000020 140#define SD_F_SUICIDE 0x00000040
|
137#define SD_F_PRIO_RD 0x10000000 138#define SD_F_PRIO_WR 0x20000000 139#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 140#define SD_F_DIR_SET 0x40000000 141#define SD_F_TRANSIENT 0xf0000000 142 143/* many variables should be reduced to a range. Here define a macro */ 144#define RANGE(var, low, high) (var) = \ 145 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 146#define DSP_BUFFSIZE (8192) 147 148/* 149 * Macros for reading/writing PCM sample / int values from bytes array. 150 * Since every process is done using signed integer (and to make our life 151 * less miserable), unsigned sample will be converted to its signed 152 * counterpart and restored during writing back. To avoid overflow, 153 * we truncate 32bit (and only 32bit) samples down to 24bit (see below 154 * for the reason), unless PCM_USE_64BIT_ARITH is defined. 155 */ 156 157/* 158 * Automatically turn on 64bit arithmetic on suitable archs 159 * (amd64 64bit, ia64, etc..) for wider 32bit samples / integer processing. 160 */ 161#if LONG_BIT >= 64 162#undef PCM_USE_64BIT_ARITH 163#define PCM_USE_64BIT_ARITH 1 164#else 165#if 0 166#undef PCM_USE_64BIT_ARITH 167#define PCM_USE_64BIT_ARITH 1 168#endif 169#endif 170 171#ifdef PCM_USE_64BIT_ARITH 172typedef int64_t intpcm_t; 173#else 174typedef int32_t intpcm_t; 175#endif 176 177/* 32bit fixed point shift */ 178#define PCM_FXSHIFT 8 179 180#define PCM_S8_MAX 0x7f 181#define PCM_S8_MIN -0x80 182#define PCM_S16_MAX 0x7fff 183#define PCM_S16_MIN -0x8000 184#define PCM_S24_MAX 0x7fffff 185#define PCM_S24_MIN -0x800000 186#ifdef PCM_USE_64BIT_ARITH 187#if LONG_BIT >= 64 188#define PCM_S32_MAX 0x7fffffffL 189#define PCM_S32_MIN -0x80000000L 190#else 191#define PCM_S32_MAX 0x7fffffffLL 192#define PCM_S32_MIN -0x80000000LL 193#endif 194#else 195#define PCM_S32_MAX 0x7fffffff 196#define PCM_S32_MIN (-0x7fffffff - 1) 197#endif 198 199/* Bytes-per-sample definition */ 200#define PCM_8_BPS 1 201#define PCM_16_BPS 2 202#define PCM_24_BPS 3 203#define PCM_32_BPS 4 204 205#if BYTE_ORDER == LITTLE_ENDIAN 206#define PCM_READ_S16_LE(b8) *((int16_t *)(b8)) 207#define _PCM_READ_S32_LE(b8) *((int32_t *)(b8)) 208#define PCM_READ_S16_BE(b8) \ 209 ((int32_t)((b8)[1] | ((int8_t)((b8)[0])) << 8)) 210#define _PCM_READ_S32_BE(b8) \ 211 ((int32_t)((b8)[3] | (b8)[2] << 8 | (b8)[1] << 16 | \ 212 ((int8_t)((b8)[0])) << 24)) 213 214#define PCM_WRITE_S16_LE(b8, val) *((int16_t *)(b8)) = (val) 215#define _PCM_WRITE_S32_LE(b8, val) *((int32_t *)(b8)) = (val) 216#define PCM_WRITE_S16_BE(bb8, vval) do { \ 217 int32_t val = (vval); \ 218 uint8_t *b8 = (bb8); \ 219 b8[1] = val; \ 220 b8[0] = val >> 8; \ 221 } while(0) 222#define _PCM_WRITE_S32_BE(bb8, vval) do { \ 223 int32_t val = (vval); \ 224 uint8_t *b8 = (bb8); \ 225 b8[3] = val; \ 226 b8[2] = val >> 8; \ 227 b8[1] = val >> 16; \ 228 b8[0] = val >> 24; \ 229 } while(0) 230 231#define PCM_READ_U16_LE(b8) ((int16_t)(*((uint16_t *)(b8)) ^ 0x8000)) 232#define _PCM_READ_U32_LE(b8) ((int32_t)(*((uint32_t *)(b8)) ^ 0x80000000)) 233#define PCM_READ_U16_BE(b8) \ 234 ((int32_t)((b8)[1] | ((int8_t)((b8)[0] ^ 0x80)) << 8)) 235#define _PCM_READ_U32_BE(b8) \ 236 ((int32_t)((b8)[3] | (b8)[2] << 8 | (b8)[1] << 16 | \ 237 ((int8_t)((b8)[0] ^ 0x80)) << 24)) 238 239#define PCM_WRITE_U16_LE(b8, val) *((uint16_t *)(b8)) = (val) ^ 0x8000 240#define _PCM_WRITE_U32_LE(b8, val) *((uint32_t *)(b8)) = (val) ^ 0x80000000 241#define PCM_WRITE_U16_BE(bb8, vval) do { \ 242 int32_t val = (vval); \ 243 uint8_t *b8 = (bb8); \ 244 b8[1] = val; \ 245 b8[0] = (val >> 8) ^ 0x80; \ 246 } while(0) 247#define _PCM_WRITE_U32_BE(bb8, vval) do { \ 248 int32_t val = (vval); \ 249 uint8_t *b8 = (bb8); \ 250 b8[3] = val; \ 251 b8[2] = val >> 8; \ 252 b8[1] = val >> 16; \ 253 b8[0] = (val >> 24) ^ 0x80; \ 254 } while(0) 255#else /* !LITTLE_ENDIAN */ 256#define PCM_READ_S16_LE(b8) \ 257 ((int32_t)((b8)[0] | ((int8_t)((b8)[1])) << 8)) 258#define _PCM_READ_S32_LE(b8) \ 259 ((int32_t)((b8)[0] | (b8)[1] << 8 | (b8)[2] << 16 | \ 260 ((int8_t)((b8)[3])) << 24)) 261#define PCM_READ_S16_BE(b8) *((int16_t *)(b8)) 262#define _PCM_READ_S32_BE(b8) *((int32_t *)(b8)) 263 264#define PCM_WRITE_S16_LE(bb8, vval) do { \ 265 int32_t val = (vval); \ 266 uint8_t *b8 = (bb8); \ 267 b8[0] = val; \ 268 b8[1] = val >> 8; \ 269 } while(0) 270#define _PCM_WRITE_S32_LE(bb8, vval) do { \ 271 int32_t val = (vval); \ 272 uint8_t *b8 = (bb8); \ 273 b8[0] = val; \ 274 b8[1] = val >> 8; \ 275 b8[2] = val >> 16; \ 276 b8[3] = val >> 24; \ 277 } while(0) 278#define PCM_WRITE_S16_BE(b8, val) *((int16_t *)(b8)) = (val) 279#define _PCM_WRITE_S32_BE(b8, val) *((int32_t *)(b8)) = (val) 280 281#define PCM_READ_U16_LE(b8) \ 282 ((int32_t)((b8)[0] | ((int8_t)((b8)[1] ^ 0x80)) << 8)) 283#define _PCM_READ_U32_LE(b8) \ 284 ((int32_t)((b8)[0] | (b8)[1] << 8 | (b8)[2] << 16 | \ 285 ((int8_t)((b8)[3] ^ 0x80)) << 24)) 286#define PCM_READ_U16_BE(b8) ((int16_t)(*((uint16_t *)(b8)) ^ 0x8000)) 287#define _PCM_READ_U32_BE(b8) ((int32_t)(*((uint32_t *)(b8)) ^ 0x80000000)) 288 289#define PCM_WRITE_U16_LE(bb8, vval) do { \ 290 int32_t val = (vval); \ 291 uint8_t *b8 = (bb8); \ 292 b8[0] = val; \ 293 b8[1] = (val >> 8) ^ 0x80; \ 294 } while(0) 295#define _PCM_WRITE_U32_LE(bb8, vval) do { \ 296 int32_t val = (vval); \ 297 uint8_t *b8 = (bb8); \ 298 b8[0] = val; \ 299 b8[1] = val >> 8; \ 300 b8[2] = val >> 16; \ 301 b8[3] = (val >> 24) ^ 0x80; \ 302 } while(0) 303#define PCM_WRITE_U16_BE(b8, val) *((uint16_t *)(b8)) = (val) ^ 0x8000 304#define _PCM_WRITE_U32_BE(b8, val) *((uint32_t *)(b8)) = (val) ^ 0x80000000 305#endif 306 307#define PCM_READ_S24_LE(b8) \ 308 ((int32_t)((b8)[0] | (b8)[1] << 8 | ((int8_t)((b8)[2])) << 16)) 309#define PCM_READ_S24_BE(b8) \ 310 ((int32_t)((b8)[2] | (b8)[1] << 8 | ((int8_t)((b8)[0])) << 16)) 311 312#define PCM_WRITE_S24_LE(bb8, vval) do { \ 313 int32_t val = (vval); \ 314 uint8_t *b8 = (bb8); \ 315 b8[0] = val; \ 316 b8[1] = val >> 8; \ 317 b8[2] = val >> 16; \ 318 } while(0) 319#define PCM_WRITE_S24_BE(bb8, vval) do { \ 320 int32_t val = (vval); \ 321 uint8_t *b8 = (bb8); \ 322 b8[2] = val; \ 323 b8[1] = val >> 8; \ 324 b8[0] = val >> 16; \ 325 } while(0) 326 327#define PCM_READ_U24_LE(b8) \ 328 ((int32_t)((b8)[0] | (b8)[1] << 8 | \ 329 ((int8_t)((b8)[2] ^ 0x80)) << 16)) 330#define PCM_READ_U24_BE(b8) \ 331 ((int32_t)((b8)[2] | (b8)[1] << 8 | \ 332 ((int8_t)((b8)[0] ^ 0x80)) << 16)) 333 334#define PCM_WRITE_U24_LE(bb8, vval) do { \ 335 int32_t val = (vval); \ 336 uint8_t *b8 = (bb8); \ 337 b8[0] = val; \ 338 b8[1] = val >> 8; \ 339 b8[2] = (val >> 16) ^ 0x80; \ 340 } while(0) 341#define PCM_WRITE_U24_BE(bb8, vval) do { \ 342 int32_t val = (vval); \ 343 uint8_t *b8 = (bb8); \ 344 b8[2] = val; \ 345 b8[1] = val >> 8; \ 346 b8[0] = (val >> 16) ^ 0x80; \ 347 } while(0) 348 349#ifdef PCM_USE_64BIT_ARITH 350#define PCM_READ_S32_LE(b8) _PCM_READ_S32_LE(b8) 351#define PCM_READ_S32_BE(b8) _PCM_READ_S32_BE(b8) 352#define PCM_WRITE_S32_LE(b8, val) _PCM_WRITE_S32_LE(b8, val) 353#define PCM_WRITE_S32_BE(b8, val) _PCM_WRITE_S32_BE(b8, val) 354 355#define PCM_READ_U32_LE(b8) _PCM_READ_U32_LE(b8) 356#define PCM_READ_U32_BE(b8) _PCM_READ_U32_BE(b8) 357#define PCM_WRITE_U32_LE(b8, val) _PCM_WRITE_U32_LE(b8, val) 358#define PCM_WRITE_U32_BE(b8, val) _PCM_WRITE_U32_BE(b8, val) 359#else /* !PCM_USE_64BIT_ARITH */ 360/* 361 * 24bit integer ?!? This is quite unfortunate, eh? Get the fact straight: 362 * Dynamic range for: 363 * 1) Human =~ 140db 364 * 2) 16bit = 96db (close enough) 365 * 3) 24bit = 144db (perfect) 366 * 4) 32bit = 196db (way too much) 367 * 5) Bugs Bunny = Gazillion!@%$Erbzzztt-EINVAL db 368 * Since we're not Bugs Bunny ..uh..err.. avoiding 64bit arithmetic, 24bit 369 * is pretty much sufficient for our signed integer processing. 370 */ 371#define PCM_READ_S32_LE(b8) (_PCM_READ_S32_LE(b8) >> PCM_FXSHIFT) 372#define PCM_READ_S32_BE(b8) (_PCM_READ_S32_BE(b8) >> PCM_FXSHIFT) 373#define PCM_WRITE_S32_LE(b8, val) _PCM_WRITE_S32_LE(b8, (val) << PCM_FXSHIFT) 374#define PCM_WRITE_S32_BE(b8, val) _PCM_WRITE_S32_BE(b8, (val) << PCM_FXSHIFT) 375 376#define PCM_READ_U32_LE(b8) (_PCM_READ_U32_LE(b8) >> PCM_FXSHIFT) 377#define PCM_READ_U32_BE(b8) (_PCM_READ_U32_BE(b8) >> PCM_FXSHIFT) 378#define PCM_WRITE_U32_LE(b8, val) _PCM_WRITE_U32_LE(b8, (val) << PCM_FXSHIFT) 379#define PCM_WRITE_U32_BE(b8, val) _PCM_WRITE_U32_BE(b8, (val) << PCM_FXSHIFT) 380#endif 381 382/* 383 * 8bit sample is pretty much useless since it doesn't provide 384 * sufficient dynamic range throughout our filtering process. 385 * For the sake of completeness, declare it anyway. 386 */ 387#define PCM_READ_S8(b8) *((int8_t *)(b8)) 388#define PCM_READ_S8_NE(b8) PCM_READ_S8(b8) 389#define PCM_READ_U8(b8) ((int8_t)(*((uint8_t *)(b8)) ^ 0x80)) 390#define PCM_READ_U8_NE(b8) PCM_READ_U8(b8) 391 392#define PCM_WRITE_S8(b8, val) *((int8_t *)(b8)) = (val) 393#define PCM_WRITE_S8_NE(b8, val) PCM_WRITE_S8(b8, val) 394#define PCM_WRITE_U8(b8, val) *((uint8_t *)(b8)) = (val) ^ 0x80 395#define PCM_WRITE_U8_NE(b8, val) PCM_WRITE_U8(b8, val) 396 397#define PCM_CLAMP_S8(val) \ 398 (((val) > PCM_S8_MAX) ? PCM_S8_MAX : \ 399 (((val) < PCM_S8_MIN) ? PCM_S8_MIN : (val))) 400#define PCM_CLAMP_S16(val) \ 401 (((val) > PCM_S16_MAX) ? PCM_S16_MAX : \ 402 (((val) < PCM_S16_MIN) ? PCM_S16_MIN : (val))) 403#define PCM_CLAMP_S24(val) \ 404 (((val) > PCM_S24_MAX) ? PCM_S24_MAX : \ 405 (((val) < PCM_S24_MIN) ? PCM_S24_MIN : (val))) 406 407#ifdef PCM_USE_64BIT_ARITH 408#define PCM_CLAMP_S32(val) \ 409 (((val) > PCM_S32_MAX) ? PCM_S32_MAX : \ 410 (((val) < PCM_S32_MIN) ? PCM_S32_MIN : (val))) 411#else 412#define PCM_CLAMP_S32(val) \ 413 (((val) > PCM_S24_MAX) ? PCM_S32_MAX : \ 414 (((val) < PCM_S24_MIN) ? PCM_S32_MIN : \ 415 ((val) << PCM_FXSHIFT))) 416#endif 417 418#define PCM_CLAMP_U8(val) PCM_CLAMP_S8(val) 419#define PCM_CLAMP_U16(val) PCM_CLAMP_S16(val) 420#define PCM_CLAMP_U24(val) PCM_CLAMP_S24(val) 421#define PCM_CLAMP_U32(val) PCM_CLAMP_S32(val) 422 423/* make figuring out what a format is easier. got AFMT_STEREO already */ 424#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE) 425#define AFMT_24BIT (AFMT_S24_LE | AFMT_S24_BE | AFMT_U24_LE | AFMT_U24_BE) 426#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 427#define AFMT_8BIT (AFMT_MU_LAW | AFMT_A_LAW | AFMT_U8 | AFMT_S8) 428#define AFMT_SIGNED (AFMT_S32_LE | AFMT_S32_BE | AFMT_S24_LE | AFMT_S24_BE | \ 429 AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 430#define AFMT_BIGENDIAN (AFMT_S32_BE | AFMT_U32_BE | AFMT_S24_BE | AFMT_U24_BE | \ 431 AFMT_S16_BE | AFMT_U16_BE) 432 433struct pcm_channel *fkchan_setup(device_t dev); 434int fkchan_kill(struct pcm_channel *c); 435
| 141#define SD_F_PRIO_RD 0x10000000 142#define SD_F_PRIO_WR 0x20000000 143#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR) 144#define SD_F_DIR_SET 0x40000000 145#define SD_F_TRANSIENT 0xf0000000 146 147/* many variables should be reduced to a range. Here define a macro */ 148#define RANGE(var, low, high) (var) = \ 149 (((var)<(low))? (low) : ((var)>(high))? (high) : (var)) 150#define DSP_BUFFSIZE (8192) 151 152/* 153 * Macros for reading/writing PCM sample / int values from bytes array. 154 * Since every process is done using signed integer (and to make our life 155 * less miserable), unsigned sample will be converted to its signed 156 * counterpart and restored during writing back. To avoid overflow, 157 * we truncate 32bit (and only 32bit) samples down to 24bit (see below 158 * for the reason), unless PCM_USE_64BIT_ARITH is defined. 159 */ 160 161/* 162 * Automatically turn on 64bit arithmetic on suitable archs 163 * (amd64 64bit, ia64, etc..) for wider 32bit samples / integer processing. 164 */ 165#if LONG_BIT >= 64 166#undef PCM_USE_64BIT_ARITH 167#define PCM_USE_64BIT_ARITH 1 168#else 169#if 0 170#undef PCM_USE_64BIT_ARITH 171#define PCM_USE_64BIT_ARITH 1 172#endif 173#endif 174 175#ifdef PCM_USE_64BIT_ARITH 176typedef int64_t intpcm_t; 177#else 178typedef int32_t intpcm_t; 179#endif 180 181/* 32bit fixed point shift */ 182#define PCM_FXSHIFT 8 183 184#define PCM_S8_MAX 0x7f 185#define PCM_S8_MIN -0x80 186#define PCM_S16_MAX 0x7fff 187#define PCM_S16_MIN -0x8000 188#define PCM_S24_MAX 0x7fffff 189#define PCM_S24_MIN -0x800000 190#ifdef PCM_USE_64BIT_ARITH 191#if LONG_BIT >= 64 192#define PCM_S32_MAX 0x7fffffffL 193#define PCM_S32_MIN -0x80000000L 194#else 195#define PCM_S32_MAX 0x7fffffffLL 196#define PCM_S32_MIN -0x80000000LL 197#endif 198#else 199#define PCM_S32_MAX 0x7fffffff 200#define PCM_S32_MIN (-0x7fffffff - 1) 201#endif 202 203/* Bytes-per-sample definition */ 204#define PCM_8_BPS 1 205#define PCM_16_BPS 2 206#define PCM_24_BPS 3 207#define PCM_32_BPS 4 208 209#if BYTE_ORDER == LITTLE_ENDIAN 210#define PCM_READ_S16_LE(b8) *((int16_t *)(b8)) 211#define _PCM_READ_S32_LE(b8) *((int32_t *)(b8)) 212#define PCM_READ_S16_BE(b8) \ 213 ((int32_t)((b8)[1] | ((int8_t)((b8)[0])) << 8)) 214#define _PCM_READ_S32_BE(b8) \ 215 ((int32_t)((b8)[3] | (b8)[2] << 8 | (b8)[1] << 16 | \ 216 ((int8_t)((b8)[0])) << 24)) 217 218#define PCM_WRITE_S16_LE(b8, val) *((int16_t *)(b8)) = (val) 219#define _PCM_WRITE_S32_LE(b8, val) *((int32_t *)(b8)) = (val) 220#define PCM_WRITE_S16_BE(bb8, vval) do { \ 221 int32_t val = (vval); \ 222 uint8_t *b8 = (bb8); \ 223 b8[1] = val; \ 224 b8[0] = val >> 8; \ 225 } while(0) 226#define _PCM_WRITE_S32_BE(bb8, vval) do { \ 227 int32_t val = (vval); \ 228 uint8_t *b8 = (bb8); \ 229 b8[3] = val; \ 230 b8[2] = val >> 8; \ 231 b8[1] = val >> 16; \ 232 b8[0] = val >> 24; \ 233 } while(0) 234 235#define PCM_READ_U16_LE(b8) ((int16_t)(*((uint16_t *)(b8)) ^ 0x8000)) 236#define _PCM_READ_U32_LE(b8) ((int32_t)(*((uint32_t *)(b8)) ^ 0x80000000)) 237#define PCM_READ_U16_BE(b8) \ 238 ((int32_t)((b8)[1] | ((int8_t)((b8)[0] ^ 0x80)) << 8)) 239#define _PCM_READ_U32_BE(b8) \ 240 ((int32_t)((b8)[3] | (b8)[2] << 8 | (b8)[1] << 16 | \ 241 ((int8_t)((b8)[0] ^ 0x80)) << 24)) 242 243#define PCM_WRITE_U16_LE(b8, val) *((uint16_t *)(b8)) = (val) ^ 0x8000 244#define _PCM_WRITE_U32_LE(b8, val) *((uint32_t *)(b8)) = (val) ^ 0x80000000 245#define PCM_WRITE_U16_BE(bb8, vval) do { \ 246 int32_t val = (vval); \ 247 uint8_t *b8 = (bb8); \ 248 b8[1] = val; \ 249 b8[0] = (val >> 8) ^ 0x80; \ 250 } while(0) 251#define _PCM_WRITE_U32_BE(bb8, vval) do { \ 252 int32_t val = (vval); \ 253 uint8_t *b8 = (bb8); \ 254 b8[3] = val; \ 255 b8[2] = val >> 8; \ 256 b8[1] = val >> 16; \ 257 b8[0] = (val >> 24) ^ 0x80; \ 258 } while(0) 259#else /* !LITTLE_ENDIAN */ 260#define PCM_READ_S16_LE(b8) \ 261 ((int32_t)((b8)[0] | ((int8_t)((b8)[1])) << 8)) 262#define _PCM_READ_S32_LE(b8) \ 263 ((int32_t)((b8)[0] | (b8)[1] << 8 | (b8)[2] << 16 | \ 264 ((int8_t)((b8)[3])) << 24)) 265#define PCM_READ_S16_BE(b8) *((int16_t *)(b8)) 266#define _PCM_READ_S32_BE(b8) *((int32_t *)(b8)) 267 268#define PCM_WRITE_S16_LE(bb8, vval) do { \ 269 int32_t val = (vval); \ 270 uint8_t *b8 = (bb8); \ 271 b8[0] = val; \ 272 b8[1] = val >> 8; \ 273 } while(0) 274#define _PCM_WRITE_S32_LE(bb8, vval) do { \ 275 int32_t val = (vval); \ 276 uint8_t *b8 = (bb8); \ 277 b8[0] = val; \ 278 b8[1] = val >> 8; \ 279 b8[2] = val >> 16; \ 280 b8[3] = val >> 24; \ 281 } while(0) 282#define PCM_WRITE_S16_BE(b8, val) *((int16_t *)(b8)) = (val) 283#define _PCM_WRITE_S32_BE(b8, val) *((int32_t *)(b8)) = (val) 284 285#define PCM_READ_U16_LE(b8) \ 286 ((int32_t)((b8)[0] | ((int8_t)((b8)[1] ^ 0x80)) << 8)) 287#define _PCM_READ_U32_LE(b8) \ 288 ((int32_t)((b8)[0] | (b8)[1] << 8 | (b8)[2] << 16 | \ 289 ((int8_t)((b8)[3] ^ 0x80)) << 24)) 290#define PCM_READ_U16_BE(b8) ((int16_t)(*((uint16_t *)(b8)) ^ 0x8000)) 291#define _PCM_READ_U32_BE(b8) ((int32_t)(*((uint32_t *)(b8)) ^ 0x80000000)) 292 293#define PCM_WRITE_U16_LE(bb8, vval) do { \ 294 int32_t val = (vval); \ 295 uint8_t *b8 = (bb8); \ 296 b8[0] = val; \ 297 b8[1] = (val >> 8) ^ 0x80; \ 298 } while(0) 299#define _PCM_WRITE_U32_LE(bb8, vval) do { \ 300 int32_t val = (vval); \ 301 uint8_t *b8 = (bb8); \ 302 b8[0] = val; \ 303 b8[1] = val >> 8; \ 304 b8[2] = val >> 16; \ 305 b8[3] = (val >> 24) ^ 0x80; \ 306 } while(0) 307#define PCM_WRITE_U16_BE(b8, val) *((uint16_t *)(b8)) = (val) ^ 0x8000 308#define _PCM_WRITE_U32_BE(b8, val) *((uint32_t *)(b8)) = (val) ^ 0x80000000 309#endif 310 311#define PCM_READ_S24_LE(b8) \ 312 ((int32_t)((b8)[0] | (b8)[1] << 8 | ((int8_t)((b8)[2])) << 16)) 313#define PCM_READ_S24_BE(b8) \ 314 ((int32_t)((b8)[2] | (b8)[1] << 8 | ((int8_t)((b8)[0])) << 16)) 315 316#define PCM_WRITE_S24_LE(bb8, vval) do { \ 317 int32_t val = (vval); \ 318 uint8_t *b8 = (bb8); \ 319 b8[0] = val; \ 320 b8[1] = val >> 8; \ 321 b8[2] = val >> 16; \ 322 } while(0) 323#define PCM_WRITE_S24_BE(bb8, vval) do { \ 324 int32_t val = (vval); \ 325 uint8_t *b8 = (bb8); \ 326 b8[2] = val; \ 327 b8[1] = val >> 8; \ 328 b8[0] = val >> 16; \ 329 } while(0) 330 331#define PCM_READ_U24_LE(b8) \ 332 ((int32_t)((b8)[0] | (b8)[1] << 8 | \ 333 ((int8_t)((b8)[2] ^ 0x80)) << 16)) 334#define PCM_READ_U24_BE(b8) \ 335 ((int32_t)((b8)[2] | (b8)[1] << 8 | \ 336 ((int8_t)((b8)[0] ^ 0x80)) << 16)) 337 338#define PCM_WRITE_U24_LE(bb8, vval) do { \ 339 int32_t val = (vval); \ 340 uint8_t *b8 = (bb8); \ 341 b8[0] = val; \ 342 b8[1] = val >> 8; \ 343 b8[2] = (val >> 16) ^ 0x80; \ 344 } while(0) 345#define PCM_WRITE_U24_BE(bb8, vval) do { \ 346 int32_t val = (vval); \ 347 uint8_t *b8 = (bb8); \ 348 b8[2] = val; \ 349 b8[1] = val >> 8; \ 350 b8[0] = (val >> 16) ^ 0x80; \ 351 } while(0) 352 353#ifdef PCM_USE_64BIT_ARITH 354#define PCM_READ_S32_LE(b8) _PCM_READ_S32_LE(b8) 355#define PCM_READ_S32_BE(b8) _PCM_READ_S32_BE(b8) 356#define PCM_WRITE_S32_LE(b8, val) _PCM_WRITE_S32_LE(b8, val) 357#define PCM_WRITE_S32_BE(b8, val) _PCM_WRITE_S32_BE(b8, val) 358 359#define PCM_READ_U32_LE(b8) _PCM_READ_U32_LE(b8) 360#define PCM_READ_U32_BE(b8) _PCM_READ_U32_BE(b8) 361#define PCM_WRITE_U32_LE(b8, val) _PCM_WRITE_U32_LE(b8, val) 362#define PCM_WRITE_U32_BE(b8, val) _PCM_WRITE_U32_BE(b8, val) 363#else /* !PCM_USE_64BIT_ARITH */ 364/* 365 * 24bit integer ?!? This is quite unfortunate, eh? Get the fact straight: 366 * Dynamic range for: 367 * 1) Human =~ 140db 368 * 2) 16bit = 96db (close enough) 369 * 3) 24bit = 144db (perfect) 370 * 4) 32bit = 196db (way too much) 371 * 5) Bugs Bunny = Gazillion!@%$Erbzzztt-EINVAL db 372 * Since we're not Bugs Bunny ..uh..err.. avoiding 64bit arithmetic, 24bit 373 * is pretty much sufficient for our signed integer processing. 374 */ 375#define PCM_READ_S32_LE(b8) (_PCM_READ_S32_LE(b8) >> PCM_FXSHIFT) 376#define PCM_READ_S32_BE(b8) (_PCM_READ_S32_BE(b8) >> PCM_FXSHIFT) 377#define PCM_WRITE_S32_LE(b8, val) _PCM_WRITE_S32_LE(b8, (val) << PCM_FXSHIFT) 378#define PCM_WRITE_S32_BE(b8, val) _PCM_WRITE_S32_BE(b8, (val) << PCM_FXSHIFT) 379 380#define PCM_READ_U32_LE(b8) (_PCM_READ_U32_LE(b8) >> PCM_FXSHIFT) 381#define PCM_READ_U32_BE(b8) (_PCM_READ_U32_BE(b8) >> PCM_FXSHIFT) 382#define PCM_WRITE_U32_LE(b8, val) _PCM_WRITE_U32_LE(b8, (val) << PCM_FXSHIFT) 383#define PCM_WRITE_U32_BE(b8, val) _PCM_WRITE_U32_BE(b8, (val) << PCM_FXSHIFT) 384#endif 385 386/* 387 * 8bit sample is pretty much useless since it doesn't provide 388 * sufficient dynamic range throughout our filtering process. 389 * For the sake of completeness, declare it anyway. 390 */ 391#define PCM_READ_S8(b8) *((int8_t *)(b8)) 392#define PCM_READ_S8_NE(b8) PCM_READ_S8(b8) 393#define PCM_READ_U8(b8) ((int8_t)(*((uint8_t *)(b8)) ^ 0x80)) 394#define PCM_READ_U8_NE(b8) PCM_READ_U8(b8) 395 396#define PCM_WRITE_S8(b8, val) *((int8_t *)(b8)) = (val) 397#define PCM_WRITE_S8_NE(b8, val) PCM_WRITE_S8(b8, val) 398#define PCM_WRITE_U8(b8, val) *((uint8_t *)(b8)) = (val) ^ 0x80 399#define PCM_WRITE_U8_NE(b8, val) PCM_WRITE_U8(b8, val) 400 401#define PCM_CLAMP_S8(val) \ 402 (((val) > PCM_S8_MAX) ? PCM_S8_MAX : \ 403 (((val) < PCM_S8_MIN) ? PCM_S8_MIN : (val))) 404#define PCM_CLAMP_S16(val) \ 405 (((val) > PCM_S16_MAX) ? PCM_S16_MAX : \ 406 (((val) < PCM_S16_MIN) ? PCM_S16_MIN : (val))) 407#define PCM_CLAMP_S24(val) \ 408 (((val) > PCM_S24_MAX) ? PCM_S24_MAX : \ 409 (((val) < PCM_S24_MIN) ? PCM_S24_MIN : (val))) 410 411#ifdef PCM_USE_64BIT_ARITH 412#define PCM_CLAMP_S32(val) \ 413 (((val) > PCM_S32_MAX) ? PCM_S32_MAX : \ 414 (((val) < PCM_S32_MIN) ? PCM_S32_MIN : (val))) 415#else 416#define PCM_CLAMP_S32(val) \ 417 (((val) > PCM_S24_MAX) ? PCM_S32_MAX : \ 418 (((val) < PCM_S24_MIN) ? PCM_S32_MIN : \ 419 ((val) << PCM_FXSHIFT))) 420#endif 421 422#define PCM_CLAMP_U8(val) PCM_CLAMP_S8(val) 423#define PCM_CLAMP_U16(val) PCM_CLAMP_S16(val) 424#define PCM_CLAMP_U24(val) PCM_CLAMP_S24(val) 425#define PCM_CLAMP_U32(val) PCM_CLAMP_S32(val) 426 427/* make figuring out what a format is easier. got AFMT_STEREO already */ 428#define AFMT_32BIT (AFMT_S32_LE | AFMT_S32_BE | AFMT_U32_LE | AFMT_U32_BE) 429#define AFMT_24BIT (AFMT_S24_LE | AFMT_S24_BE | AFMT_U24_LE | AFMT_U24_BE) 430#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE) 431#define AFMT_8BIT (AFMT_MU_LAW | AFMT_A_LAW | AFMT_U8 | AFMT_S8) 432#define AFMT_SIGNED (AFMT_S32_LE | AFMT_S32_BE | AFMT_S24_LE | AFMT_S24_BE | \ 433 AFMT_S16_LE | AFMT_S16_BE | AFMT_S8) 434#define AFMT_BIGENDIAN (AFMT_S32_BE | AFMT_U32_BE | AFMT_S24_BE | AFMT_U24_BE | \ 435 AFMT_S16_BE | AFMT_U16_BE) 436 437struct pcm_channel *fkchan_setup(device_t dev); 438int fkchan_kill(struct pcm_channel *c); 439
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436/* XXX Flawed definition. I'll fix it someday. */ 437#define SND_MAXVCHANS PCMMAXCHAN 438
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439/* 440 * Minor numbers for the sound driver. 441 * 442 * Unfortunately Creative called the codec chip of SB as a DSP. For this 443 * reason the /dev/dsp is reserved for digitized audio use. There is a 444 * device for true DSP processors but it will be called something else. 445 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 446 */ 447 448#define SND_DEV_CTL 0 /* Control port /dev/mixer */ 449#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ 450#define SND_DEV_MIDIN 2 /* Raw midi access */ 451#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ 452#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 453#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 454#define SND_DEV_STATUS 6 /* /dev/sndstat */ 455 /* #7 not in use now. */ 456#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 457#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 458#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 459#define SND_DEV_NORESET 10
| 440/* 441 * Minor numbers for the sound driver. 442 * 443 * Unfortunately Creative called the codec chip of SB as a DSP. For this 444 * reason the /dev/dsp is reserved for digitized audio use. There is a 445 * device for true DSP processors but it will be called something else. 446 * In v3.0 it's /dev/sndproc but this could be a temporary solution. 447 */ 448 449#define SND_DEV_CTL 0 /* Control port /dev/mixer */ 450#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */ 451#define SND_DEV_MIDIN 2 /* Raw midi access */ 452#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ 453#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ 454#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ 455#define SND_DEV_STATUS 6 /* /dev/sndstat */ 456 /* #7 not in use now. */ 457#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ 458#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ 459#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */ 460#define SND_DEV_NORESET 10
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460#define SND_DEV_DSPHW 11 /* specific channel request */
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461
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| 462#define SND_DEV_DSPHW_PLAY 11 /* specific playback channel */ 463#define SND_DEV_DSPHW_VPLAY 12 /* specific virtual playback channel */ 464#define SND_DEV_DSPHW_REC 13 /* specific record channel */ 465#define SND_DEV_DSPHW_VREC 14 /* specific virtual record channel */ 466
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462#define DSP_DEFAULT_SPEED 8000 463 464#define ON 1 465#define OFF 0 466 467extern int pcm_veto_load; 468extern int snd_unit; 469extern int snd_maxautovchans; 470extern int snd_verbose; 471extern devclass_t pcm_devclass; 472extern struct unrhdr *pcmsg_unrhdr; 473 474/* 475 * some macros for debugging purposes 476 * DDB/DEB to enable/disable debugging stuff 477 * BVDDB to enable debugging when bootverbose 478 */ 479#define BVDDB(x) if (bootverbose) x 480 481#ifndef DEB 482#define DEB(x) 483#endif 484 485SYSCTL_DECL(_hw_snd); 486 487struct pcm_channel *pcm_getfakechan(struct snddev_info *d);
| 467#define DSP_DEFAULT_SPEED 8000 468 469#define ON 1 470#define OFF 0 471 472extern int pcm_veto_load; 473extern int snd_unit; 474extern int snd_maxautovchans; 475extern int snd_verbose; 476extern devclass_t pcm_devclass; 477extern struct unrhdr *pcmsg_unrhdr; 478 479/* 480 * some macros for debugging purposes 481 * DDB/DEB to enable/disable debugging stuff 482 * BVDDB to enable debugging when bootverbose 483 */ 484#define BVDDB(x) if (bootverbose) x 485 486#ifndef DEB 487#define DEB(x) 488#endif 489 490SYSCTL_DECL(_hw_snd); 491 492struct pcm_channel *pcm_getfakechan(struct snddev_info *d);
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488int pcm_chnalloc(struct snddev_info *d, struct pcm_channel **ch, int direction, pid_t pid, int chnum);
| 493int pcm_chnalloc(struct snddev_info *d, struct pcm_channel **ch, int direction, pid_t pid, int devunit);
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489int pcm_chnrelease(struct pcm_channel *c); 490int pcm_chnref(struct pcm_channel *c, int ref); 491int pcm_inprog(struct snddev_info *d, int delta); 492
| 494int pcm_chnrelease(struct pcm_channel *c); 495int pcm_chnref(struct pcm_channel *c, int ref); 496int pcm_inprog(struct snddev_info *d, int delta); 497
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493struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, void *devinfo);
| 498struct pcm_channel *pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, int num, void *devinfo);
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494int pcm_chn_destroy(struct pcm_channel *ch); 495int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch); 496int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch); 497 498int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo); 499unsigned int pcm_getbuffersize(device_t dev, unsigned int minbufsz, unsigned int deflt, unsigned int maxbufsz); 500int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 501int pcm_unregister(device_t dev); 502int pcm_setstatus(device_t dev, char *str); 503u_int32_t pcm_getflags(device_t dev); 504void pcm_setflags(device_t dev, u_int32_t val); 505void *pcm_getdevinfo(device_t dev); 506 507 508int snd_setup_intr(device_t dev, struct resource *res, int flags, 509 driver_intr_t hand, void *param, void **cookiep); 510 511void *snd_mtxcreate(const char *desc, const char *type); 512void snd_mtxfree(void *m); 513void snd_mtxassert(void *m); 514#define snd_mtxlock(m) mtx_lock(m) 515#define snd_mtxunlock(m) mtx_unlock(m) 516 517int sysctl_hw_snd_vchans(SYSCTL_HANDLER_ARGS); 518 519typedef int (*sndstat_handler)(struct sbuf *s, device_t dev, int verbose);
| 499int pcm_chn_destroy(struct pcm_channel *ch); 500int pcm_chn_add(struct snddev_info *d, struct pcm_channel *ch); 501int pcm_chn_remove(struct snddev_info *d, struct pcm_channel *ch); 502 503int pcm_addchan(device_t dev, int dir, kobj_class_t cls, void *devinfo); 504unsigned int pcm_getbuffersize(device_t dev, unsigned int minbufsz, unsigned int deflt, unsigned int maxbufsz); 505int pcm_register(device_t dev, void *devinfo, int numplay, int numrec); 506int pcm_unregister(device_t dev); 507int pcm_setstatus(device_t dev, char *str); 508u_int32_t pcm_getflags(device_t dev); 509void pcm_setflags(device_t dev, u_int32_t val); 510void *pcm_getdevinfo(device_t dev); 511 512 513int snd_setup_intr(device_t dev, struct resource *res, int flags, 514 driver_intr_t hand, void *param, void **cookiep); 515 516void *snd_mtxcreate(const char *desc, const char *type); 517void snd_mtxfree(void *m); 518void snd_mtxassert(void *m); 519#define snd_mtxlock(m) mtx_lock(m) 520#define snd_mtxunlock(m) mtx_unlock(m) 521 522int sysctl_hw_snd_vchans(SYSCTL_HANDLER_ARGS); 523 524typedef int (*sndstat_handler)(struct sbuf *s, device_t dev, int verbose);
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520int sndstat_acquire(void); 521int sndstat_release(void);
| 525int sndstat_acquire(struct thread *td); 526int sndstat_release(struct thread *td);
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522int sndstat_register(device_t dev, char *str, sndstat_handler handler); 523int sndstat_registerfile(char *str); 524int sndstat_unregister(device_t dev); 525int sndstat_unregisterfile(char *str); 526 527#define SND_DECLARE_FILE(version) \ 528 _SND_DECLARE_FILE(__LINE__, version) 529 530#define _SND_DECLARE_FILE(uniq, version) \ 531 __SND_DECLARE_FILE(uniq, version) 532 533#define __SND_DECLARE_FILE(uniq, version) \ 534 static char sndstat_vinfo[] = version; \ 535 SYSINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_registerfile, sndstat_vinfo); \ 536 SYSUNINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_unregisterfile, sndstat_vinfo); 537 538/* usage of flags in device config entry (config file) */ 539#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 540#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 541 542/* ought to be made obsolete but still used by mss */ 543#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 544#define DV_F_DEV_SHIFT 8 /* force device type/class */ 545 546#define PCM_DEBUG_MTX 547 548/* 549 * this is rather kludgey- we need to duplicate these struct def'ns from sound.c 550 * so that the macro versions of pcm_{,un}lock can dereference them. 551 * we also have to do this now makedev() has gone away. 552 */ 553
| 527int sndstat_register(device_t dev, char *str, sndstat_handler handler); 528int sndstat_registerfile(char *str); 529int sndstat_unregister(device_t dev); 530int sndstat_unregisterfile(char *str); 531 532#define SND_DECLARE_FILE(version) \ 533 _SND_DECLARE_FILE(__LINE__, version) 534 535#define _SND_DECLARE_FILE(uniq, version) \ 536 __SND_DECLARE_FILE(uniq, version) 537 538#define __SND_DECLARE_FILE(uniq, version) \ 539 static char sndstat_vinfo[] = version; \ 540 SYSINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_registerfile, sndstat_vinfo); \ 541 SYSUNINIT(sdf_ ## uniq, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sndstat_unregisterfile, sndstat_vinfo); 542 543/* usage of flags in device config entry (config file) */ 544#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */ 545#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */ 546 547/* ought to be made obsolete but still used by mss */ 548#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */ 549#define DV_F_DEV_SHIFT 8 /* force device type/class */ 550 551#define PCM_DEBUG_MTX 552 553/* 554 * this is rather kludgey- we need to duplicate these struct def'ns from sound.c 555 * so that the macro versions of pcm_{,un}lock can dereference them. 556 * we also have to do this now makedev() has gone away. 557 */ 558
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554struct snddev_channel { 555 SLIST_ENTRY(snddev_channel) link; 556 struct pcm_channel *channel; 557 int chan_num; 558 struct cdev *dsp_devt; 559 struct cdev *dspW_devt; 560 struct cdev *audio_devt; 561 struct cdev *dspHW_devt; 562}; 563
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564struct snddev_info {
| 559struct snddev_info {
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565 SLIST_HEAD(, snddev_channel) channels;
| 560 struct { 561 struct { 562 SLIST_HEAD(, pcm_channel) head; 563 struct { 564 SLIST_HEAD(, pcm_channel) head; 565 } busy; 566 } pcm; 567 } channels; 568 struct snd_clone *clones;
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566 struct pcm_channel *fakechan;
| 569 struct pcm_channel *fakechan;
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567 unsigned devcount, playcount, reccount, vchancount;
| 570 unsigned devcount, playcount, reccount, pvchancount, rvchancount ;
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568 unsigned flags; 569 int inprog; 570 unsigned int bufsz; 571 void *devinfo; 572 device_t dev; 573 char status[SND_STATUSLEN]; 574 struct mtx *lock; 575 struct cdev *mixer_dev;
| 571 unsigned flags; 572 int inprog; 573 unsigned int bufsz; 574 void *devinfo; 575 device_t dev; 576 char status[SND_STATUSLEN]; 577 struct mtx *lock; 578 struct cdev *mixer_dev;
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576
| 579 uint32_t pvchanrate, pvchanformat; 580 uint32_t rvchanrate, rvchanformat; 581 struct sysctl_ctx_list play_sysctl_ctx, rec_sysctl_ctx; 582 struct sysctl_oid *play_sysctl_tree, *rec_sysctl_tree;
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577}; 578 579void sound_oss_sysinfo(oss_sysinfo *); 580 581#ifdef PCM_DEBUG_MTX 582#define pcm_lock(d) mtx_lock(((struct snddev_info *)(d))->lock) 583#define pcm_unlock(d) mtx_unlock(((struct snddev_info *)(d))->lock) 584#else 585void pcm_lock(struct snddev_info *d); 586void pcm_unlock(struct snddev_info *d); 587#endif 588 589#ifdef KLD_MODULE 590#define PCM_KLDSTRING(a) ("kld " # a) 591#else 592#define PCM_KLDSTRING(a) "" 593#endif 594 595#endif /* _KERNEL */ 596 597#endif /* _OS_H_ */
| 583}; 584 585void sound_oss_sysinfo(oss_sysinfo *); 586 587#ifdef PCM_DEBUG_MTX 588#define pcm_lock(d) mtx_lock(((struct snddev_info *)(d))->lock) 589#define pcm_unlock(d) mtx_unlock(((struct snddev_info *)(d))->lock) 590#else 591void pcm_lock(struct snddev_info *d); 592void pcm_unlock(struct snddev_info *d); 593#endif 594 595#ifdef KLD_MODULE 596#define PCM_KLDSTRING(a) ("kld " # a) 597#else 598#define PCM_KLDSTRING(a) "" 599#endif 600 601#endif /* _KERNEL */ 602 603#endif /* _OS_H_ */
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