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