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