1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2 /* 3 * Advanced Linux Sound Architecture - ALSA - Driver 4 * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>, 5 * Abramo Bagnara <abramo@alsa-project.org> 6 * 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 */ 23 24 #ifndef _UAPI__SOUND_ASOUND_H 25 #define _UAPI__SOUND_ASOUND_H 26 27 #if defined(__KERNEL__) || defined(__linux__) 28 #include <linux/types.h> 29 #else 30 #include <sys/ioctl.h> 31 #endif 32 33 #ifndef __KERNEL__ 34 #include <stdlib.h> 35 #include <time.h> 36 #endif 37 38 /* 39 * protocol version 40 */ 41 42 #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) 43 #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) 44 #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) 45 #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) 46 #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ 47 (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ 48 (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ 49 SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) 50 51 /**************************************************************************** 52 * * 53 * Digital audio interface * 54 * * 55 ****************************************************************************/ 56 57 struct snd_aes_iec958 { 58 unsigned char status[24]; /* AES/IEC958 channel status bits */ 59 unsigned char subcode[147]; /* AES/IEC958 subcode bits */ 60 unsigned char pad; /* nothing */ 61 unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ 62 }; 63 64 /**************************************************************************** 65 * * 66 * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * 67 * * 68 ****************************************************************************/ 69 70 struct snd_cea_861_aud_if { 71 unsigned char db1_ct_cc; /* coding type and channel count */ 72 unsigned char db2_sf_ss; /* sample frequency and size */ 73 unsigned char db3; /* not used, all zeros */ 74 unsigned char db4_ca; /* channel allocation code */ 75 unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ 76 }; 77 78 /**************************************************************************** 79 * * 80 * Section for driver hardware dependent interface - /dev/snd/hw? * 81 * * 82 ****************************************************************************/ 83 84 #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) 85 86 enum { 87 SNDRV_HWDEP_IFACE_OPL2 = 0, 88 SNDRV_HWDEP_IFACE_OPL3, 89 SNDRV_HWDEP_IFACE_OPL4, 90 SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ 91 SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ 92 SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ 93 SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ 94 SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ 95 SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ 96 SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ 97 SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ 98 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ 99 SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ 100 SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ 101 SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ 102 SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ 103 SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ 104 SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ 105 SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */ 106 SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */ 107 SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */ 108 SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */ 109 SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */ 110 SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */ 111 SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */ 112 SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */ 113 SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */ 114 115 /* Don't forget to change the following: */ 116 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE 117 }; 118 119 struct snd_hwdep_info { 120 unsigned int device; /* WR: device number */ 121 int card; /* R: card number */ 122 unsigned char id[64]; /* ID (user selectable) */ 123 unsigned char name[80]; /* hwdep name */ 124 int iface; /* hwdep interface */ 125 unsigned char reserved[64]; /* reserved for future */ 126 }; 127 128 /* generic DSP loader */ 129 struct snd_hwdep_dsp_status { 130 unsigned int version; /* R: driver-specific version */ 131 unsigned char id[32]; /* R: driver-specific ID string */ 132 unsigned int num_dsps; /* R: number of DSP images to transfer */ 133 unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ 134 unsigned int chip_ready; /* R: 1 = initialization finished */ 135 unsigned char reserved[16]; /* reserved for future use */ 136 }; 137 138 struct snd_hwdep_dsp_image { 139 unsigned int index; /* W: DSP index */ 140 unsigned char name[64]; /* W: ID (e.g. file name) */ 141 unsigned char __user *image; /* W: binary image */ 142 size_t length; /* W: size of image in bytes */ 143 unsigned long driver_data; /* W: driver-specific data */ 144 }; 145 146 #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) 147 #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) 148 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) 149 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) 150 151 /***************************************************************************** 152 * * 153 * Digital Audio (PCM) interface - /dev/snd/pcm?? * 154 * * 155 *****************************************************************************/ 156 157 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 14) 158 159 typedef unsigned long snd_pcm_uframes_t; 160 typedef signed long snd_pcm_sframes_t; 161 162 enum { 163 SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ 164 SNDRV_PCM_CLASS_MULTI, /* multichannel device */ 165 SNDRV_PCM_CLASS_MODEM, /* software modem class */ 166 SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ 167 /* Don't forget to change the following: */ 168 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, 169 }; 170 171 enum { 172 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ 173 SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ 174 /* Don't forget to change the following: */ 175 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, 176 }; 177 178 enum { 179 SNDRV_PCM_STREAM_PLAYBACK = 0, 180 SNDRV_PCM_STREAM_CAPTURE, 181 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, 182 }; 183 184 typedef int __bitwise snd_pcm_access_t; 185 #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ 186 #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ 187 #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ 188 #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ 189 #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ 190 #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED 191 192 typedef int __bitwise snd_pcm_format_t; 193 #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) 194 #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) 195 #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) 196 #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) 197 #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) 198 #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) 199 #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ 200 #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ 201 #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ 202 #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ 203 #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) 204 #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) 205 #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) 206 #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) 207 #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 */ 208 #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 */ 209 #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 */ 210 #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 */ 211 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ 212 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ 213 #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) 214 #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) 215 #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) 216 #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) 217 #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) 218 #define SNDRV_PCM_FORMAT_S20_LE ((__force snd_pcm_format_t) 25) /* in four bytes, LSB justified */ 219 #define SNDRV_PCM_FORMAT_S20_BE ((__force snd_pcm_format_t) 26) /* in four bytes, LSB justified */ 220 #define SNDRV_PCM_FORMAT_U20_LE ((__force snd_pcm_format_t) 27) /* in four bytes, LSB justified */ 221 #define SNDRV_PCM_FORMAT_U20_BE ((__force snd_pcm_format_t) 28) /* in four bytes, LSB justified */ 222 /* gap in the numbering for a future standard linear format */ 223 #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) 224 #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ 225 #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ 226 #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ 227 #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ 228 #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ 229 #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ 230 #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ 231 #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ 232 #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ 233 #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ 234 #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ 235 #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ 236 #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ 237 #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ 238 #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ 239 #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ 240 #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */ 241 #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */ 242 #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */ 243 #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ 244 #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ 245 #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE 246 #define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8 247 248 #ifdef SNDRV_LITTLE_ENDIAN 249 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE 250 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE 251 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE 252 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE 253 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE 254 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE 255 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE 256 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE 257 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE 258 #define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_LE 259 #define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_LE 260 #endif 261 #ifdef SNDRV_BIG_ENDIAN 262 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE 263 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE 264 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE 265 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE 266 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE 267 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE 268 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE 269 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE 270 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE 271 #define SNDRV_PCM_FORMAT_S20 SNDRV_PCM_FORMAT_S20_BE 272 #define SNDRV_PCM_FORMAT_U20 SNDRV_PCM_FORMAT_U20_BE 273 #endif 274 275 typedef int __bitwise snd_pcm_subformat_t; 276 #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) 277 #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD 278 279 #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ 280 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ 281 #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ 282 #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ 283 #define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */ 284 #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ 285 #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ 286 #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ 287 #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ 288 #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ 289 #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ 290 #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ 291 #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ 292 #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ 293 #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ 294 #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ 295 #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */ 296 #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */ 297 #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */ 298 #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */ 299 #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */ 300 301 #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */ 302 #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ 303 304 305 306 typedef int __bitwise snd_pcm_state_t; 307 #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ 308 #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ 309 #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ 310 #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ 311 #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ 312 #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ 313 #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ 314 #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ 315 #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ 316 #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED 317 318 enum { 319 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, 320 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, 321 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, 322 }; 323 324 union snd_pcm_sync_id { 325 unsigned char id[16]; 326 unsigned short id16[8]; 327 unsigned int id32[4]; 328 }; 329 330 struct snd_pcm_info { 331 unsigned int device; /* RO/WR (control): device number */ 332 unsigned int subdevice; /* RO/WR (control): subdevice number */ 333 int stream; /* RO/WR (control): stream direction */ 334 int card; /* R: card number */ 335 unsigned char id[64]; /* ID (user selectable) */ 336 unsigned char name[80]; /* name of this device */ 337 unsigned char subname[32]; /* subdevice name */ 338 int dev_class; /* SNDRV_PCM_CLASS_* */ 339 int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ 340 unsigned int subdevices_count; 341 unsigned int subdevices_avail; 342 union snd_pcm_sync_id sync; /* hardware synchronization ID */ 343 unsigned char reserved[64]; /* reserved for future... */ 344 }; 345 346 typedef int snd_pcm_hw_param_t; 347 #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ 348 #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ 349 #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ 350 #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS 351 #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT 352 353 #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ 354 #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ 355 #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ 356 #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ 357 #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between 358 * interrupts in us 359 */ 360 #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between 361 * interrupts 362 */ 363 #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between 364 * interrupts 365 */ 366 #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per 367 * buffer 368 */ 369 #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer 370 * in us 371 */ 372 #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ 373 #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ 374 #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ 375 #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS 376 #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME 377 378 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ 379 #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ 380 #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ 381 382 struct snd_interval { 383 unsigned int min, max; 384 unsigned int openmin:1, 385 openmax:1, 386 integer:1, 387 empty:1; 388 }; 389 390 #define SNDRV_MASK_MAX 256 391 392 struct snd_mask { 393 __u32 bits[(SNDRV_MASK_MAX+31)/32]; 394 }; 395 396 struct snd_pcm_hw_params { 397 unsigned int flags; 398 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - 399 SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; 400 struct snd_mask mres[5]; /* reserved masks */ 401 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - 402 SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; 403 struct snd_interval ires[9]; /* reserved intervals */ 404 unsigned int rmask; /* W: requested masks */ 405 unsigned int cmask; /* R: changed masks */ 406 unsigned int info; /* R: Info flags for returned setup */ 407 unsigned int msbits; /* R: used most significant bits */ 408 unsigned int rate_num; /* R: rate numerator */ 409 unsigned int rate_den; /* R: rate denominator */ 410 snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ 411 unsigned char reserved[64]; /* reserved for future */ 412 }; 413 414 enum { 415 SNDRV_PCM_TSTAMP_NONE = 0, 416 SNDRV_PCM_TSTAMP_ENABLE, 417 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, 418 }; 419 420 struct snd_pcm_sw_params { 421 int tstamp_mode; /* timestamp mode */ 422 unsigned int period_step; 423 unsigned int sleep_min; /* min ticks to sleep */ 424 snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ 425 snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ 426 snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ 427 snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ 428 snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ 429 snd_pcm_uframes_t silence_size; /* silence block size */ 430 snd_pcm_uframes_t boundary; /* pointers wrap point */ 431 unsigned int proto; /* protocol version */ 432 unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */ 433 unsigned char reserved[56]; /* reserved for future */ 434 }; 435 436 struct snd_pcm_channel_info { 437 unsigned int channel; 438 __kernel_off_t offset; /* mmap offset */ 439 unsigned int first; /* offset to first sample in bits */ 440 unsigned int step; /* samples distance in bits */ 441 }; 442 443 enum { 444 /* 445 * first definition for backwards compatibility only, 446 * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else 447 */ 448 SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0, 449 450 /* timestamp definitions */ 451 SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */ 452 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */ 453 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */ 454 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */ 455 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */ 456 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED 457 }; 458 459 struct snd_pcm_status { 460 snd_pcm_state_t state; /* stream state */ 461 struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ 462 struct timespec tstamp; /* reference timestamp */ 463 snd_pcm_uframes_t appl_ptr; /* appl ptr */ 464 snd_pcm_uframes_t hw_ptr; /* hw ptr */ 465 snd_pcm_sframes_t delay; /* current delay in frames */ 466 snd_pcm_uframes_t avail; /* number of frames available */ 467 snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ 468 snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ 469 snd_pcm_state_t suspended_state; /* suspended stream state */ 470 __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ 471 struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */ 472 struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */ 473 __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ 474 unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */ 475 }; 476 477 struct snd_pcm_mmap_status { 478 snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ 479 int pad1; /* Needed for 64 bit alignment */ 480 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ 481 struct timespec tstamp; /* Timestamp */ 482 snd_pcm_state_t suspended_state; /* RO: suspended stream state */ 483 struct timespec audio_tstamp; /* from sample counter or wall clock */ 484 }; 485 486 struct snd_pcm_mmap_control { 487 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ 488 snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ 489 }; 490 491 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ 492 #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ 493 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ 494 495 struct snd_pcm_sync_ptr { 496 unsigned int flags; 497 union { 498 struct snd_pcm_mmap_status status; 499 unsigned char reserved[64]; 500 } s; 501 union { 502 struct snd_pcm_mmap_control control; 503 unsigned char reserved[64]; 504 } c; 505 }; 506 507 struct snd_xferi { 508 snd_pcm_sframes_t result; 509 void __user *buf; 510 snd_pcm_uframes_t frames; 511 }; 512 513 struct snd_xfern { 514 snd_pcm_sframes_t result; 515 void __user * __user *bufs; 516 snd_pcm_uframes_t frames; 517 }; 518 519 enum { 520 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ 521 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ 522 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */ 523 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, 524 }; 525 526 /* channel positions */ 527 enum { 528 SNDRV_CHMAP_UNKNOWN = 0, 529 SNDRV_CHMAP_NA, /* N/A, silent */ 530 SNDRV_CHMAP_MONO, /* mono stream */ 531 /* this follows the alsa-lib mixer channel value + 3 */ 532 SNDRV_CHMAP_FL, /* front left */ 533 SNDRV_CHMAP_FR, /* front right */ 534 SNDRV_CHMAP_RL, /* rear left */ 535 SNDRV_CHMAP_RR, /* rear right */ 536 SNDRV_CHMAP_FC, /* front center */ 537 SNDRV_CHMAP_LFE, /* LFE */ 538 SNDRV_CHMAP_SL, /* side left */ 539 SNDRV_CHMAP_SR, /* side right */ 540 SNDRV_CHMAP_RC, /* rear center */ 541 /* new definitions */ 542 SNDRV_CHMAP_FLC, /* front left center */ 543 SNDRV_CHMAP_FRC, /* front right center */ 544 SNDRV_CHMAP_RLC, /* rear left center */ 545 SNDRV_CHMAP_RRC, /* rear right center */ 546 SNDRV_CHMAP_FLW, /* front left wide */ 547 SNDRV_CHMAP_FRW, /* front right wide */ 548 SNDRV_CHMAP_FLH, /* front left high */ 549 SNDRV_CHMAP_FCH, /* front center high */ 550 SNDRV_CHMAP_FRH, /* front right high */ 551 SNDRV_CHMAP_TC, /* top center */ 552 SNDRV_CHMAP_TFL, /* top front left */ 553 SNDRV_CHMAP_TFR, /* top front right */ 554 SNDRV_CHMAP_TFC, /* top front center */ 555 SNDRV_CHMAP_TRL, /* top rear left */ 556 SNDRV_CHMAP_TRR, /* top rear right */ 557 SNDRV_CHMAP_TRC, /* top rear center */ 558 /* new definitions for UAC2 */ 559 SNDRV_CHMAP_TFLC, /* top front left center */ 560 SNDRV_CHMAP_TFRC, /* top front right center */ 561 SNDRV_CHMAP_TSL, /* top side left */ 562 SNDRV_CHMAP_TSR, /* top side right */ 563 SNDRV_CHMAP_LLFE, /* left LFE */ 564 SNDRV_CHMAP_RLFE, /* right LFE */ 565 SNDRV_CHMAP_BC, /* bottom center */ 566 SNDRV_CHMAP_BLC, /* bottom left center */ 567 SNDRV_CHMAP_BRC, /* bottom right center */ 568 SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC, 569 }; 570 571 #define SNDRV_CHMAP_POSITION_MASK 0xffff 572 #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) 573 #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) 574 575 #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) 576 #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) 577 #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) 578 #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) 579 #define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int) 580 #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) 581 #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) 582 #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) 583 #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) 584 #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) 585 #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) 586 #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) 587 #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) 588 #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status) 589 #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) 590 #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) 591 #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) 592 #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) 593 #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) 594 #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) 595 #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) 596 #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) 597 #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) 598 #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) 599 #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) 600 #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) 601 #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) 602 #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) 603 #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) 604 #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) 605 #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) 606 607 /***************************************************************************** 608 * * 609 * MIDI v1.0 interface * 610 * * 611 *****************************************************************************/ 612 613 /* 614 * Raw MIDI section - /dev/snd/midi?? 615 */ 616 617 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) 618 619 enum { 620 SNDRV_RAWMIDI_STREAM_OUTPUT = 0, 621 SNDRV_RAWMIDI_STREAM_INPUT, 622 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, 623 }; 624 625 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 626 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 627 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 628 629 struct snd_rawmidi_info { 630 unsigned int device; /* RO/WR (control): device number */ 631 unsigned int subdevice; /* RO/WR (control): subdevice number */ 632 int stream; /* WR: stream */ 633 int card; /* R: card number */ 634 unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ 635 unsigned char id[64]; /* ID (user selectable) */ 636 unsigned char name[80]; /* name of device */ 637 unsigned char subname[32]; /* name of active or selected subdevice */ 638 unsigned int subdevices_count; 639 unsigned int subdevices_avail; 640 unsigned char reserved[64]; /* reserved for future use */ 641 }; 642 643 struct snd_rawmidi_params { 644 int stream; 645 size_t buffer_size; /* queue size in bytes */ 646 size_t avail_min; /* minimum avail bytes for wakeup */ 647 unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */ 648 unsigned char reserved[16]; /* reserved for future use */ 649 }; 650 651 struct snd_rawmidi_status { 652 int stream; 653 struct timespec tstamp; /* Timestamp */ 654 size_t avail; /* available bytes */ 655 size_t xruns; /* count of overruns since last status (in bytes) */ 656 unsigned char reserved[16]; /* reserved for future use */ 657 }; 658 659 #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) 660 #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) 661 #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) 662 #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) 663 #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) 664 #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) 665 666 /* 667 * Timer section - /dev/snd/timer 668 */ 669 670 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) 671 672 enum { 673 SNDRV_TIMER_CLASS_NONE = -1, 674 SNDRV_TIMER_CLASS_SLAVE = 0, 675 SNDRV_TIMER_CLASS_GLOBAL, 676 SNDRV_TIMER_CLASS_CARD, 677 SNDRV_TIMER_CLASS_PCM, 678 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, 679 }; 680 681 /* slave timer classes */ 682 enum { 683 SNDRV_TIMER_SCLASS_NONE = 0, 684 SNDRV_TIMER_SCLASS_APPLICATION, 685 SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */ 686 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */ 687 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, 688 }; 689 690 /* global timers (device member) */ 691 #define SNDRV_TIMER_GLOBAL_SYSTEM 0 692 #define SNDRV_TIMER_GLOBAL_RTC 1 /* unused */ 693 #define SNDRV_TIMER_GLOBAL_HPET 2 694 #define SNDRV_TIMER_GLOBAL_HRTIMER 3 695 696 /* info flags */ 697 #define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */ 698 699 struct snd_timer_id { 700 int dev_class; 701 int dev_sclass; 702 int card; 703 int device; 704 int subdevice; 705 }; 706 707 struct snd_timer_ginfo { 708 struct snd_timer_id tid; /* requested timer ID */ 709 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ 710 int card; /* card number */ 711 unsigned char id[64]; /* timer identification */ 712 unsigned char name[80]; /* timer name */ 713 unsigned long reserved0; /* reserved for future use */ 714 unsigned long resolution; /* average period resolution in ns */ 715 unsigned long resolution_min; /* minimal period resolution in ns */ 716 unsigned long resolution_max; /* maximal period resolution in ns */ 717 unsigned int clients; /* active timer clients */ 718 unsigned char reserved[32]; 719 }; 720 721 struct snd_timer_gparams { 722 struct snd_timer_id tid; /* requested timer ID */ 723 unsigned long period_num; /* requested precise period duration (in seconds) - numerator */ 724 unsigned long period_den; /* requested precise period duration (in seconds) - denominator */ 725 unsigned char reserved[32]; 726 }; 727 728 struct snd_timer_gstatus { 729 struct snd_timer_id tid; /* requested timer ID */ 730 unsigned long resolution; /* current period resolution in ns */ 731 unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */ 732 unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */ 733 unsigned char reserved[32]; 734 }; 735 736 struct snd_timer_select { 737 struct snd_timer_id id; /* bind to timer ID */ 738 unsigned char reserved[32]; /* reserved */ 739 }; 740 741 struct snd_timer_info { 742 unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */ 743 int card; /* card number */ 744 unsigned char id[64]; /* timer identificator */ 745 unsigned char name[80]; /* timer name */ 746 unsigned long reserved0; /* reserved for future use */ 747 unsigned long resolution; /* average period resolution in ns */ 748 unsigned char reserved[64]; /* reserved */ 749 }; 750 751 #define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */ 752 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */ 753 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */ 754 755 struct snd_timer_params { 756 unsigned int flags; /* flags - SNDRV_TIMER_PSFLG_* */ 757 unsigned int ticks; /* requested resolution in ticks */ 758 unsigned int queue_size; /* total size of queue (32-1024) */ 759 unsigned int reserved0; /* reserved, was: failure locations */ 760 unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */ 761 unsigned char reserved[60]; /* reserved */ 762 }; 763 764 struct snd_timer_status { 765 struct timespec tstamp; /* Timestamp - last update */ 766 unsigned int resolution; /* current period resolution in ns */ 767 unsigned int lost; /* counter of master tick lost */ 768 unsigned int overrun; /* count of read queue overruns */ 769 unsigned int queue; /* used queue size */ 770 unsigned char reserved[64]; /* reserved */ 771 }; 772 773 #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) 774 #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) 775 #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) 776 #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) 777 #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) 778 #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) 779 #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) 780 #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) 781 #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) 782 #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) 783 /* The following four ioctls are changed since 1.0.9 due to confliction */ 784 #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) 785 #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) 786 #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) 787 #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) 788 789 struct snd_timer_read { 790 unsigned int resolution; 791 unsigned int ticks; 792 }; 793 794 enum { 795 SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */ 796 SNDRV_TIMER_EVENT_TICK, /* val = ticks */ 797 SNDRV_TIMER_EVENT_START, /* val = resolution in ns */ 798 SNDRV_TIMER_EVENT_STOP, /* val = 0 */ 799 SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ 800 SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ 801 SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ 802 SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ 803 SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */ 804 /* master timer events for slave timer instances */ 805 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, 806 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, 807 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, 808 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, 809 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, 810 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, 811 }; 812 813 struct snd_timer_tread { 814 int event; 815 struct timespec tstamp; 816 unsigned int val; 817 }; 818 819 /**************************************************************************** 820 * * 821 * Section for driver control interface - /dev/snd/control? * 822 * * 823 ****************************************************************************/ 824 825 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) 826 827 struct snd_ctl_card_info { 828 int card; /* card number */ 829 int pad; /* reserved for future (was type) */ 830 unsigned char id[16]; /* ID of card (user selectable) */ 831 unsigned char driver[16]; /* Driver name */ 832 unsigned char name[32]; /* Short name of soundcard */ 833 unsigned char longname[80]; /* name + info text about soundcard */ 834 unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ 835 unsigned char mixername[80]; /* visual mixer identification */ 836 unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ 837 }; 838 839 typedef int __bitwise snd_ctl_elem_type_t; 840 #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */ 841 #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */ 842 #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */ 843 #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */ 844 #define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */ 845 #define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */ 846 #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */ 847 #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 848 849 typedef int __bitwise snd_ctl_elem_iface_t; 850 #define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */ 851 #define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */ 852 #define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */ 853 #define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */ 854 #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */ 855 #define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */ 856 #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */ 857 #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER 858 859 #define SNDRV_CTL_ELEM_ACCESS_READ (1<<0) 860 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1) 861 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE) 862 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ 863 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */ 864 #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */ 865 #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */ 866 #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) 867 #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */ 868 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */ 869 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */ 870 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */ 871 #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */ 872 #define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */ 873 /* bits 30 and 31 are obsoleted (for indirect access) */ 874 875 /* for further details see the ACPI and PCI power management specification */ 876 #define SNDRV_CTL_POWER_D0 0x0000 /* full On */ 877 #define SNDRV_CTL_POWER_D1 0x0100 /* partial On */ 878 #define SNDRV_CTL_POWER_D2 0x0200 /* partial On */ 879 #define SNDRV_CTL_POWER_D3 0x0300 /* Off */ 880 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */ 881 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */ 882 883 #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44 884 885 struct snd_ctl_elem_id { 886 unsigned int numid; /* numeric identifier, zero = invalid */ 887 snd_ctl_elem_iface_t iface; /* interface identifier */ 888 unsigned int device; /* device/client number */ 889 unsigned int subdevice; /* subdevice (substream) number */ 890 unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* ASCII name of item */ 891 unsigned int index; /* index of item */ 892 }; 893 894 struct snd_ctl_elem_list { 895 unsigned int offset; /* W: first element ID to get */ 896 unsigned int space; /* W: count of element IDs to get */ 897 unsigned int used; /* R: count of element IDs set */ 898 unsigned int count; /* R: count of all elements */ 899 struct snd_ctl_elem_id __user *pids; /* R: IDs */ 900 unsigned char reserved[50]; 901 }; 902 903 struct snd_ctl_elem_info { 904 struct snd_ctl_elem_id id; /* W: element ID */ 905 snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */ 906 unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */ 907 unsigned int count; /* count of values */ 908 __kernel_pid_t owner; /* owner's PID of this control */ 909 union { 910 struct { 911 long min; /* R: minimum value */ 912 long max; /* R: maximum value */ 913 long step; /* R: step (0 variable) */ 914 } integer; 915 struct { 916 long long min; /* R: minimum value */ 917 long long max; /* R: maximum value */ 918 long long step; /* R: step (0 variable) */ 919 } integer64; 920 struct { 921 unsigned int items; /* R: number of items */ 922 unsigned int item; /* W: item number */ 923 char name[64]; /* R: value name */ 924 __u64 names_ptr; /* W: names list (ELEM_ADD only) */ 925 unsigned int names_length; 926 } enumerated; 927 unsigned char reserved[128]; 928 } value; 929 union { 930 unsigned short d[4]; /* dimensions */ 931 unsigned short *d_ptr; /* indirect - obsoleted */ 932 } dimen; 933 unsigned char reserved[64-4*sizeof(unsigned short)]; 934 }; 935 936 struct snd_ctl_elem_value { 937 struct snd_ctl_elem_id id; /* W: element ID */ 938 unsigned int indirect: 1; /* W: indirect access - obsoleted */ 939 union { 940 union { 941 long value[128]; 942 long *value_ptr; /* obsoleted */ 943 } integer; 944 union { 945 long long value[64]; 946 long long *value_ptr; /* obsoleted */ 947 } integer64; 948 union { 949 unsigned int item[128]; 950 unsigned int *item_ptr; /* obsoleted */ 951 } enumerated; 952 union { 953 unsigned char data[512]; 954 unsigned char *data_ptr; /* obsoleted */ 955 } bytes; 956 struct snd_aes_iec958 iec958; 957 } value; /* RO */ 958 struct timespec tstamp; 959 unsigned char reserved[128-sizeof(struct timespec)]; 960 }; 961 962 struct snd_ctl_tlv { 963 unsigned int numid; /* control element numeric identification */ 964 unsigned int length; /* in bytes aligned to 4 */ 965 unsigned int tlv[0]; /* first TLV */ 966 }; 967 968 #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) 969 #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) 970 #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) 971 #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) 972 #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) 973 #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) 974 #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) 975 #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) 976 #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) 977 #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) 978 #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) 979 #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) 980 #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) 981 #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) 982 #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) 983 #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) 984 #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) 985 #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) 986 #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) 987 #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) 988 #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) 989 #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) 990 #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) 991 #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) 992 #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) 993 994 /* 995 * Read interface. 996 */ 997 998 enum sndrv_ctl_event_type { 999 SNDRV_CTL_EVENT_ELEM = 0, 1000 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, 1001 }; 1002 1003 #define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */ 1004 #define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */ 1005 #define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */ 1006 #define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */ 1007 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */ 1008 1009 struct snd_ctl_event { 1010 int type; /* event type - SNDRV_CTL_EVENT_* */ 1011 union { 1012 struct { 1013 unsigned int mask; 1014 struct snd_ctl_elem_id id; 1015 } elem; 1016 unsigned char data8[60]; 1017 } data; 1018 }; 1019 1020 /* 1021 * Control names 1022 */ 1023 1024 #define SNDRV_CTL_NAME_NONE "" 1025 #define SNDRV_CTL_NAME_PLAYBACK "Playback " 1026 #define SNDRV_CTL_NAME_CAPTURE "Capture " 1027 1028 #define SNDRV_CTL_NAME_IEC958_NONE "" 1029 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" 1030 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" 1031 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" 1032 #define SNDRV_CTL_NAME_IEC958_MASK "Mask" 1033 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" 1034 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" 1035 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" 1036 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what 1037 1038 #endif /* _UAPI__SOUND_ASOUND_H */ 1039