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