Changeset 679 for GPL/trunk/alsa-kernel/include/sound/asound.h
- Timestamp:
- Mar 18, 2021, 8:57:36 PM (4 years ago)
- Location:
- GPL/trunk
- Files:
-
- 2 edited
-
. (modified) (1 prop)
-
alsa-kernel/include/sound/asound.h (modified) (2 diffs)
Legend:
- Unmodified
- Added
- Removed
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GPL/trunk
- Property svn:mergeinfo changed
/GPL/branches/uniaud32-linux-3.2.102 (added) merged: 611-614 /GPL/branches/uniaud32-next (added) merged: 615-678
- Property svn:mergeinfo changed
-
GPL/trunk/alsa-kernel/include/sound/asound.h
r598 r679 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 1 2 /* 2 3 * Advanced Linux Sound Architecture - ALSA - Driver 3 4 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, 4 5 * Abramo Bagnara <abramo@alsa-project.org> 5 *6 *7 * This program is free software; you can redistribute it and/or modify8 * it under the terms of the GNU General Public License as published by9 * the Free Software Foundation; either version 2 of the License, or10 * (at your option) any later version.11 *12 * This program is distributed in the hope that it will be useful,13 * but WITHOUT ANY WARRANTY; without even the implied warranty of14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the15 * GNU General Public License for more details.16 *17 * You should have received a copy of the GNU General Public License18 * along with this program; if not, write to the Free Software19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA20 *21 6 */ 22 23 7 #ifndef __SOUND_ASOUND_H 24 8 #define __SOUND_ASOUND_H 25 9 26 #include <linux/types.h>27 28 #ifdef __KERNEL__29 10 #include <linux/ioctl.h> 30 11 #include <linux/time.h> 31 12 #include <asm/byteorder.h> 13 32 14 #ifdef __LITTLE_ENDIAN 33 15 #define SNDRV_LITTLE_ENDIAN … … 40 22 #endif 41 23 42 #endif /* __KERNEL__ **/ 43 44 #ifndef __force 45 #define __force 46 #endif 47 48 #ifndef __bitwise 49 #define __bitwise 50 #endif 51 52 #ifdef TARGET_OS2 53 #define SNDRV_PCM_VOL_FRONT_LEFT 0 54 #define SNDRV_PCM_VOL_FRONT_RIGHT 1 55 #define SNDRV_PCM_VOL_REAR_LEFT 2 56 #define SNDRV_PCM_VOL_REAR_RIGHT 3 57 #define SNDRV_PCM_VOL_CENTER 4 58 #define SNDRV_PCM_VOL_LFE 5 59 60 #define SNDRV_PCM_VOL_MAX 100 61 62 struct snd_pcm_volume { 63 int nrchannels; 64 int volume[6]; 65 }; 66 #endif 67 68 /* 69 * protocol version 70 */ 71 72 #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) 73 #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) 74 #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) 75 #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) 76 #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ 77 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ 78 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ 79 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) 80 81 /**************************************************************************** 82 * * 83 * Digital audio interface * 84 * * 85 ****************************************************************************/ 86 87 struct snd_aes_iec958 { 88 unsigned char status[24]; /* AES/IEC958 channel status bits */ 89 unsigned char subcode[147]; /* AES/IEC958 subcode bits */ 90 unsigned char pad; /* nothing */ 91 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ 92 }; 93 94 /**************************************************************************** 95 * * 96 * Section for driver hardware dependent interface - /dev/snd/hw? * 97 * * 98 ****************************************************************************/ 99 100 #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) 101 102 enum { 103 SNDRV_HWDEP_IFACE_OPL2 = 0, 104 SNDRV_HWDEP_IFACE_OPL3, 105 SNDRV_HWDEP_IFACE_OPL4, 106 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ 107 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ 108 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ 109 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ 110 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ 111 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ 112 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ 113 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ 114 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ 115 SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ 116 SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ 117 SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ 118 SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ 119 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ 120 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ 121 122 /* Don't forget to change the following: */ 123 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM 124 }; 125 126 struct snd_hwdep_info { 127 unsigned int device; /* WR: device number */ 128 int card; /* R: card number */ 129 unsigned char id[64]; /* ID (user selectable) */ 130 unsigned char name[80]; /* hwdep name */ 131 int iface; /* hwdep interface */ 132 unsigned char reserved[64]; /* reserved for future */ 133 }; 134 135 /* generic DSP loader */ 136 struct snd_hwdep_dsp_status { 137 unsigned int version; /* R: driver-specific version */ 138 unsigned char id[32]; /* R: driver-specific ID string */ 139 unsigned int num_dsps; /* R: number of DSP images to transfer */ 140 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ 141 unsigned int chip_ready; /* R: 1 = initialization finished */ 142 unsigned char reserved[16]; /* reserved for future use */ 143 }; 144 145 struct snd_hwdep_dsp_image { 146 unsigned int index; /* W: DSP index */ 147 unsigned char name[64]; /* W: ID (e.g. file name) */ 148 unsigned char __user *image; /* W: binary image */ 149 size_t length; /* W: size of image in bytes */ 150 unsigned long driver_data; /* W: driver-specific data */ 151 }; 152 153 #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) 154 #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) 155 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) 156 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) 157 158 /***************************************************************************** 159 * * 160 * Digital Audio (PCM) interface - /dev/snd/pcm?? * 161 * * 162 *****************************************************************************/ 163 164 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 10) 165 166 typedef unsigned long snd_pcm_uframes_t; 167 typedef signed long snd_pcm_sframes_t; 168 169 enum { 170 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ 171 SNDRV_PCM_CLASS_MULTI, /* multichannel device */ 172 SNDRV_PCM_CLASS_MODEM, /* software modem class */ 173 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ 174 /* Don't forget to change the following: */ 175 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, 176 }; 177 178 enum { 179 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ 180 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ 181 /* Don't forget to change the following: */ 182 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, 183 }; 184 185 enum { 186 SNDRV_PCM_STREAM_PLAYBACK = 0, 187 SNDRV_PCM_STREAM_CAPTURE, 188 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, 189 }; 190 191 typedef int __bitwise snd_pcm_access_t; 192 #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ 193 #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ 194 #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ 195 #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ 196 #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ 197 #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED 198 199 typedef int __bitwise snd_pcm_format_t; 200 #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) 201 #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) 202 #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) 203 #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) 204 #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) 205 #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) 206 #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ 207 #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ 208 #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ 209 #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ 210 #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) 211 #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) 212 #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) 213 #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) 214 #define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ 215 #define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ 216 #define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ 217 #define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ 218 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ 219 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ 220 #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) 221 #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) 222 #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) 223 #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) 224 #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) 225 #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) 226 #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ 227 #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ 228 #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ 229 #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ 230 #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ 231 #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ 232 #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ 233 #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ 234 #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ 235 #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ 236 #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ 237 #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ 238 #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ 239 #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ 240 #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ 241 #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ 242 #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_G723_40_1B 243 244 #ifdef SNDRV_LITTLE_ENDIAN 245 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE 246 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE 247 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE 248 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE 249 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE 250 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE 251 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE 252 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE 253 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE 254 #endif 255 #ifdef SNDRV_BIG_ENDIAN 256 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE 257 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE 258 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE 259 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE 260 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE 261 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE 262 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE 263 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE 264 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE 265 #endif 266 267 typedef int __bitwise snd_pcm_subformat_t; 268 #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) 269 #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD 270 271 #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ 272 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ 273 #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ 274 #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ 275 #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ 276 #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ 277 #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ 278 #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ 279 #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ 280 #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ 281 #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ 282 #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ 283 #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ 284 #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ 285 #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ 286 #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ 287 288 typedef int __bitwise snd_pcm_state_t; 289 #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ 290 #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ 291 #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ 292 #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ 293 #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ 294 #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ 295 #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ 296 #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ 297 #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ 298 #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED 299 300 enum { 301 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, 302 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, 303 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, 304 }; 305 306 union snd_pcm_sync_id { 307 unsigned char id[16]; 308 unsigned short id16[8]; 309 unsigned int id32[4]; 310 }; 311 312 struct snd_pcm_info { 313 unsigned int device; /* RO/WR (control): device number */ 314 unsigned int subdevice; /* RO/WR (control): subdevice number */ 315 int stream; /* RO/WR (control): stream direction */ 316 int card; /* R: card number */ 317 unsigned char id[64]; /* ID (user selectable) */ 318 unsigned char name[80]; /* name of this device */ 319 unsigned char subname[32]; /* subdevice name */ 320 int dev_class; /* SNDRV_PCM_CLASS_* */ 321 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ 322 unsigned int subdevices_count; 323 unsigned int subdevices_avail; 324 union snd_pcm_sync_id sync; /* hardware synchronization ID */ 325 unsigned char reserved[64]; /* reserved for future... */ 326 }; 327 328 typedef int snd_pcm_hw_param_t; 329 #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ 330 #ifdef TARGET_OS2 331 #define SNDRV_PCM_HW_PARAM_RATE_MASK 1 /* Format */ 332 #endif 333 #define SNDRV_PCM_HW_PARAM_FORMAT 2 /* Format */ 334 #define SNDRV_PCM_HW_PARAM_SUBFORMAT 3 /* Subformat */ 335 #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS 336 #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT 337 338 #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ 339 #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ 340 #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ 341 #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ 342 #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between 343 * interrupts in us 344 */ 345 #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between 346 * interrupts 347 */ 348 #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between 349 * interrupts 350 */ 351 #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per 352 * buffer 353 */ 354 #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer 355 * in us 356 */ 357 #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ 358 #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ 359 #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ 360 #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS 361 #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME 362 363 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ 364 #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ 365 #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ 366 367 struct snd_interval { 368 unsigned int min, max; 369 unsigned int openmin:1, 370 openmax:1, 371 integer:1, 372 empty:1; 373 }; 374 375 #define SNDRV_MASK_MAX 256 376 377 struct snd_mask { 378 __u32 bits[(SNDRV_MASK_MAX+31)/32]; 379 }; 380 381 struct snd_pcm_hw_params { 382 unsigned int flags; 383 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - 384 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; 385 struct snd_mask mres[5]; /* reserved masks */ 386 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - 387 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; 388 struct snd_interval ires[9]; /* reserved intervals */ 389 unsigned int rmask; /* W: requested masks */ 390 unsigned int cmask; /* R: changed masks */ 391 unsigned int info; /* R: Info flags for returned setup */ 392 unsigned int msbits; /* R: used most significant bits */ 393 unsigned int rate_num; /* R: rate numerator */ 394 unsigned int rate_den; /* R: rate denominator */ 395 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ 396 unsigned char reserved[64]; /* reserved for future */ 397 }; 398 399 enum { 400 SNDRV_PCM_TSTAMP_NONE = 0, 401 SNDRV_PCM_TSTAMP_ENABLE, 402 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, 403 }; 404 405 struct snd_pcm_sw_params { 406 int tstamp_mode; /* timestamp mode */ 407 unsigned int period_step; 408 unsigned int sleep_min; /* min ticks to sleep */ 409 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ 410 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ 411 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ 412 snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ 413 snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ 414 snd_pcm_uframes_t silence_size; /* silence block size */ 415 snd_pcm_uframes_t boundary; /* pointers wrap point */ 416 unsigned char reserved[64]; /* reserved for future */ 417 }; 418 419 struct snd_pcm_channel_info { 420 unsigned int channel; 421 __kernel_off_t offset; /* mmap offset */ 422 unsigned int first; /* offset to first sample in bits */ 423 unsigned int step; /* samples distance in bits */ 424 }; 425 426 struct snd_pcm_status { 427 snd_pcm_state_t state; /* stream state */ 428 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ 429 struct timespec tstamp; /* reference timestamp */ 430 snd_pcm_uframes_t appl_ptr; /* appl ptr */ 431 snd_pcm_uframes_t hw_ptr; /* hw ptr */ 432 snd_pcm_sframes_t delay; /* current delay in frames */ 433 snd_pcm_uframes_t avail; /* number of frames available */ 434 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ 435 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ 436 snd_pcm_state_t suspended_state; /* suspended stream state */ 437 unsigned char reserved[60]; /* must be filled with zero */ 438 }; 439 440 struct snd_pcm_mmap_status { 441 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ 442 int pad1; /* Needed for 64 bit alignment */ 443 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ 444 struct timespec tstamp; /* Timestamp */ 445 snd_pcm_state_t suspended_state; /* RO: suspended stream state */ 446 }; 447 448 struct snd_pcm_mmap_control { 449 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ 450 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ 451 }; 452 453 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ 454 #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ 455 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ 456 457 struct snd_pcm_sync_ptr { 458 unsigned int flags; 459 union { 460 struct snd_pcm_mmap_status status; 461 unsigned char reserved[64]; 462 } s; 463 union { 464 struct snd_pcm_mmap_control control; 465 unsigned char reserved[64]; 466 } c; 467 }; 468 469 struct snd_xferi { 470 snd_pcm_sframes_t result; 471 void __user *buf; 472 snd_pcm_uframes_t frames; 473 }; 474 475 struct snd_xfern { 476 snd_pcm_sframes_t result; 477 void __user * __user *bufs; 478 snd_pcm_uframes_t frames; 479 }; 480 481 enum { 482 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ 483 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ 484 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, 485 }; 486 487 #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) 488 #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) 489 #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) 490 #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) 491 #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) 492 #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) 493 #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) 494 #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) 495 #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) 496 #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) 497 #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) 498 #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) 499 #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) 500 #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) 501 #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) 502 #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) 503 #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) 504 #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) 505 #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) 506 #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) 507 #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) 508 #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) 509 #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) 510 #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) 511 #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) 512 #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) 513 #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) 514 #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) 515 #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) 516 517 /***************************************************************************** 518 * * 519 * MIDI v1.0 interface * 520 * * 521 *****************************************************************************/ 522 523 /* 524 * Raw MIDI section - /dev/snd/midi?? 525 */ 526 527 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) 528 529 enum { 530 SNDRV_RAWMIDI_STREAM_OUTPUT = 0, 531 SNDRV_RAWMIDI_STREAM_INPUT, 532 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, 533 }; 534 535 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 536 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 537 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 538 539 struct snd_rawmidi_info { 540 unsigned int device; /* RO/WR (control): device number */ 541 unsigned int subdevice; /* RO/WR (control): subdevice number */ 542 int stream; /* WR: stream */ 543 int card; /* R: card number */ 544 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ 545 unsigned char id[64]; /* ID (user selectable) */ 546 unsigned char name[80]; /* name of device */ 547 unsigned char subname[32]; /* name of active or selected subdevice */ 548 unsigned int subdevices_count; 549 unsigned int subdevices_avail; 550 unsigned char reserved[64]; /* reserved for future use */ 551 }; 552 553 struct snd_rawmidi_params { 554 int stream; 555 size_t buffer_size; /* queue size in bytes */ 556 size_t avail_min; /* minimum avail bytes for wakeup */ 557 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ 558 unsigned char reserved[16]; /* reserved for future use */ 559 }; 560 561 struct snd_rawmidi_status { 562 int stream; 563 struct timespec tstamp; /* Timestamp */ 564 size_t avail; /* available bytes */ 565 size_t xruns; /* count of overruns since last status (in bytes) */ 566 unsigned char reserved[16]; /* reserved for future use */ 567 }; 568 569 #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) 570 #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) 571 #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) 572 #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) 573 #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) 574 #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) 575 576 /* 577 * Timer section - /dev/snd/timer 578 */ 579 580 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) 581 582 enum { 583 SNDRV_TIMER_CLASS_NONE = -1, 584 SNDRV_TIMER_CLASS_SLAVE = 0, 585 SNDRV_TIMER_CLASS_GLOBAL, 586 SNDRV_TIMER_CLASS_CARD, 587 SNDRV_TIMER_CLASS_PCM, 588 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, 589 }; 590 591 /* slave timer classes */ 592 enum { 593 SNDRV_TIMER_SCLASS_NONE = 0, 594 SNDRV_TIMER_SCLASS_APPLICATION, 595 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ 596 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ 597 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, 598 }; 599 600 /* global timers (device member) */ 601 #define SNDRV_TIMER_GLOBAL_SYSTEM 0 602 #define SNDRV_TIMER_GLOBAL_RTC 1 603 #define SNDRV_TIMER_GLOBAL_HPET 2 604 #define SNDRV_TIMER_GLOBAL_HRTIMER 3 605 606 /* info flags */ 607 #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ 608 609 struct snd_timer_id { 610 int dev_class; 611 int dev_sclass; 612 int card; 613 int device; 614 int subdevice; 615 }; 616 617 struct snd_timer_ginfo { 618 struct snd_timer_id tid; /* requested timer ID */ 619 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ 620 int card; /* card number */ 621 unsigned char id[64]; /* timer identification */ 622 unsigned char name[80]; /* timer name */ 623 unsigned long reserved0; /* reserved for future use */ 624 unsigned long resolution; /* average period resolution in ns */ 625 unsigned long resolution_min; /* minimal period resolution in ns */ 626 unsigned long resolution_max; /* maximal period resolution in ns */ 627 unsigned int clients; /* active timer clients */ 628 unsigned char reserved[32]; 629 }; 630 631 struct snd_timer_gparams { 632 struct snd_timer_id tid; /* requested timer ID */ 633 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ 634 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ 635 unsigned char reserved[32]; 636 }; 637 638 struct snd_timer_gstatus { 639 struct snd_timer_id tid; /* requested timer ID */ 640 unsigned long resolution; /* current period resolution in ns */ 641 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ 642 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ 643 unsigned char reserved[32]; 644 }; 645 646 struct snd_timer_select { 647 struct snd_timer_id id; /* bind to timer ID */ 648 unsigned char reserved[32]; /* reserved */ 649 }; 650 651 struct snd_timer_info { 652 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ 653 int card; /* card number */ 654 unsigned char id[64]; /* timer identificator */ 655 unsigned char name[80]; /* timer name */ 656 unsigned long reserved0; /* reserved for future use */ 657 unsigned long resolution; /* average period resolution in ns */ 658 unsigned char reserved[64]; /* reserved */ 659 }; 660 661 #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ 662 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ 663 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ 664 665 struct snd_timer_params { 666 unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */ 667 unsigned int ticks; /* requested resolution in ticks */ 668 unsigned int queue_size; /* total size of queue (32-1024) */ 669 unsigned int reserved0; /* reserved, was: failure locations */ 670 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ 671 unsigned char reserved[60]; /* reserved */ 672 }; 673 674 struct snd_timer_status { 675 struct timespec tstamp; /* Timestamp - last update */ 676 unsigned int resolution; /* current period resolution in ns */ 677 unsigned int lost; /* counter of master tick lost */ 678 unsigned int overrun; /* count of read queue overruns */ 679 unsigned int queue; /* used queue size */ 680 unsigned char reserved[64]; /* reserved */ 681 }; 682 683 #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) 684 #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) 685 #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) 686 #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) 687 #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) 688 #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) 689 #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) 690 #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) 691 #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) 692 #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) 693 /* The following four ioctls are changed since 1.0.9 due to confliction */ 694 #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) 695 #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) 696 #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) 697 #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) 698 699 struct snd_timer_read { 700 unsigned int resolution; 701 unsigned int ticks; 702 }; 703 704 enum { 705 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ 706 SNDRV_TIMER_EVENT_TICK, /* val = ticks */ 707 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ 708 SNDRV_TIMER_EVENT_STOP, /* val = 0 */ 709 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ 710 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ 711 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ 712 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ 713 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ 714 /* master timer events for slave timer instances */ 715 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, 716 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, 717 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, 718 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, 719 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, 720 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, 721 }; 722 723 struct snd_timer_tread { 724 int event; 725 struct timespec tstamp; 726 unsigned int val; 727 }; 728 729 /**************************************************************************** 730 * * 731 * Section for driver control interface - /dev/snd/control? * 732 * * 733 ****************************************************************************/ 734 735 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) 736 737 /******************** This section used in uniaud.dll interface *********************/ 738 struct snd_ctl_card_info { 739 int card; /* card number */ 740 int pad; /* reserved for future (was type) */ 741 unsigned char id[16]; /* ID of card (user selectable) */ 742 unsigned char driver[16]; /* Driver name */ 743 unsigned char name[32]; /* Short name of soundcard */ 744 unsigned char longname[80]; /* name + info text about soundcard */ 745 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ 746 unsigned char mixername[80]; /* visual mixer identification */ 747 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ 748 }; 749 750 typedef int __bitwise snd_ctl_elem_type_t; 751 #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ 752 #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ 753 #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ 754 #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ 755 #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ 756 #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ 757 #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ 758 #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 759 760 typedef int __bitwise snd_ctl_elem_iface_t; 761 #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ 762 #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ 763 #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ 764 #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ 765 #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ 766 #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ 767 #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ 768 #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER 769 770 #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) 771 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) 772 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) 773 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ 774 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ 775 #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ 776 #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ 777 #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) 778 #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ 779 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ 780 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ 781 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ 782 #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ 783 #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ 784 /* bits 30 and 31 are obsoleted (for indirect access) */ 785 786 /* for further details see the ACPI and PCI power management specification */ 787 #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ 788 #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ 789 #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ 790 #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ 791 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ 792 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ 793 794 struct snd_ctl_elem_id { 795 unsigned int numid; /* numeric identifier, zero = invalid */ 796 snd_ctl_elem_iface_t iface; /* interface identifier */ 797 unsigned int device; /* device/client number */ 798 unsigned int subdevice; /* subdevice (substream) number */ 799 unsigned char name[44]; /* ASCII name of item */ 800 unsigned int index; /* index of item */ 801 }; 802 803 struct snd_ctl_elem_list { 804 unsigned int offset; /* W: first element ID to get */ 805 unsigned int space; /* W: count of element IDs to get */ 806 unsigned int used; /* R: count of element IDs set */ 807 unsigned int count; /* R: count of all elements */ 808 struct snd_ctl_elem_id __user *pids; /* R: IDs */ 809 unsigned char reserved[50]; 810 }; 811 812 struct snd_ctl_elem_info { 813 struct snd_ctl_elem_id id; /* W: element ID */ 814 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ 815 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ 816 unsigned int count; /* count of values */ 817 __kernel_pid_t owner; /* owner's PID of this control */ 818 union { 819 struct { 820 long min; /* R: minimum value */ 821 long max; /* R: maximum value */ 822 long step; /* R: step (0 variable) */ 823 } integer; 824 struct { 825 long long min; /* R: minimum value */ 826 long long max; /* R: maximum value */ 827 long long step; /* R: step (0 variable) */ 828 } integer64; 829 struct { 830 unsigned int items; /* R: number of items */ 831 unsigned int item; /* W: item number */ 832 char name[64]; /* R: value name */ 833 } enumerated; 834 unsigned char reserved[128]; 835 } value; 836 union { 837 unsigned short d[4]; /* dimensions */ 838 unsigned short *d_ptr; /* indirect - obsoleted */ 839 } dimen; 840 unsigned char reserved[64-4*sizeof(unsigned short)]; 841 }; 842 843 struct snd_ctl_elem_value { 844 struct snd_ctl_elem_id id; /* W: element ID */ 845 unsigned int indirect: 1; /* W: indirect access - obsoleted */ 846 union { 847 union { 848 long value[128]; 849 long *value_ptr; /* obsoleted */ 850 } integer; 851 union { 852 long long value[64]; 853 long long *value_ptr; /* obsoleted */ 854 } integer64; 855 union { 856 unsigned int item[128]; 857 unsigned int *item_ptr; /* obsoleted */ 858 } enumerated; 859 union { 860 unsigned char data[512]; 861 unsigned char *data_ptr; /* obsoleted */ 862 } bytes; 863 struct snd_aes_iec958 iec958; 864 } value; /* RO */ 865 struct timespec tstamp; 866 unsigned char reserved[128-sizeof(struct timespec)]; 867 }; 868 869 struct snd_ctl_tlv { 870 unsigned int numid; /* control element numeric identification */ 871 unsigned int length; /* in bytes aligned to 4 */ 872 #ifndef TARGET_OS2 873 unsigned int tlv[0]; /* first TLV */ 874 #else 875 unsigned int tlv[1]; /* first TLV */ 876 #endif 877 }; 878 879 #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) 880 #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) 881 #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) 882 #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) 883 #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) 884 #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) 885 #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) 886 #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) 887 #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) 888 #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) 889 #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) 890 #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) 891 #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) 892 #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) 893 #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) 894 #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) 895 #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) 896 #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) 897 #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) 898 #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) 899 #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) 900 #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) 901 #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) 902 #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) 903 #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) 904 #ifdef TARGET_OS2 905 #define SNDRV_PCM_IOCTL_SETVOLUME _IOW('A', 0x62, struct snd_pcm_volume) 906 #define SNDRV_PCM_IOCTL_GETVOLUME _IOR('A', 0x63, struct snd_pcm_volume) 907 #endif 908 909 /* 910 * Read interface. 911 */ 912 913 enum sndrv_ctl_event_type { 914 SNDRV_CTL_EVENT_ELEM = 0, 915 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, 916 }; 917 918 #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ 919 #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ 920 #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ 921 #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ 922 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ 923 924 struct snd_ctl_event { 925 int type; /* event type - SNDRV_CTL_EVENT_* */ 926 union { 927 struct { 928 unsigned int mask; 929 struct snd_ctl_elem_id id; 930 } elem; 931 unsigned char data8[60]; 932 } data; 933 }; 934 935 /* 936 * Control names 937 */ 938 939 #define SNDRV_CTL_NAME_NONE "" 940 #define SNDRV_CTL_NAME_PLAYBACK "Playback " 941 #define SNDRV_CTL_NAME_CAPTURE "Capture " 942 943 #define SNDRV_CTL_NAME_IEC958_NONE "" 944 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" 945 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" 946 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" 947 #define SNDRV_CTL_NAME_IEC958_MASK "Mask" 948 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" 949 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" 950 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" 951 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what 952 24 #include <uapi/sound/asound.h> 953 25 #endif /* __SOUND_ASOUND_H */
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