1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __SOUND_ASOUND_H 20 #define __SOUND_ASOUND_H 21 #ifdef __linux__ 22 #include <linux/types.h> 23 #else 24 #include <sys/ioctl.h> 25 #endif 26 #include <stdlib.h> 27 #include <time.h> 28 #define SNDRV_PROTOCOL_VERSION(major,minor,subminor) (((major) << 16) | ((minor) << 8) | (subminor)) 29 #define SNDRV_PROTOCOL_MAJOR(version) (((version) >> 16) & 0xffff) 30 #define SNDRV_PROTOCOL_MINOR(version) (((version) >> 8) & 0xff) 31 #define SNDRV_PROTOCOL_MICRO(version) ((version) & 0xff) 32 #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion,uversion) (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) 33 struct snd_aes_iec958 { 34 unsigned char status[24]; 35 unsigned char subcode[147]; 36 unsigned char pad; 37 unsigned char dig_subframe[4]; 38 }; 39 struct snd_cea_861_aud_if { 40 unsigned char db1_ct_cc; 41 unsigned char db2_sf_ss; 42 unsigned char db3; 43 unsigned char db4_ca; 44 unsigned char db5_dminh_lsv; 45 }; 46 #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) 47 enum { 48 SNDRV_HWDEP_IFACE_OPL2 = 0, 49 SNDRV_HWDEP_IFACE_OPL3, 50 SNDRV_HWDEP_IFACE_OPL4, 51 SNDRV_HWDEP_IFACE_SB16CSP, 52 SNDRV_HWDEP_IFACE_EMU10K1, 53 SNDRV_HWDEP_IFACE_YSS225, 54 SNDRV_HWDEP_IFACE_ICS2115, 55 SNDRV_HWDEP_IFACE_SSCAPE, 56 SNDRV_HWDEP_IFACE_VX, 57 SNDRV_HWDEP_IFACE_MIXART, 58 SNDRV_HWDEP_IFACE_USX2Y, 59 SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, 60 SNDRV_HWDEP_IFACE_BLUETOOTH, 61 SNDRV_HWDEP_IFACE_USX2Y_PCM, 62 SNDRV_HWDEP_IFACE_PCXHR, 63 SNDRV_HWDEP_IFACE_SB_RC, 64 SNDRV_HWDEP_IFACE_HDA, 65 SNDRV_HWDEP_IFACE_USB_STREAM, 66 SNDRV_HWDEP_IFACE_FW_DICE, 67 SNDRV_HWDEP_IFACE_FW_FIREWORKS, 68 SNDRV_HWDEP_IFACE_FW_BEBOB, 69 SNDRV_HWDEP_IFACE_FW_OXFW, 70 SNDRV_HWDEP_IFACE_FW_DIGI00X, 71 SNDRV_HWDEP_IFACE_FW_TASCAM, 72 SNDRV_HWDEP_IFACE_LINE6, 73 SNDRV_HWDEP_IFACE_FW_MOTU, 74 SNDRV_HWDEP_IFACE_FW_FIREFACE, 75 SNDRV_HWDEP_IFACE_AUDIO_BE, 76 SNDRV_HWDEP_IFACE_AUDIO_CODEC, 77 SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_AUDIO_CODEC 78 }; 79 #define SNDRV_HWDEP_IFACE_AUDIO_BE SNDRV_HWDEP_IFACE_AUDIO_BE 80 #define SNDRV_HWDEP_IFACE_AUDIO_CODEC SNDRV_HWDEP_IFACE_AUDIO_CODEC 81 struct snd_hwdep_info { 82 unsigned int device; 83 int card; 84 unsigned char id[64]; 85 unsigned char name[80]; 86 int iface; 87 unsigned char reserved[64]; 88 }; 89 struct snd_hwdep_dsp_status { 90 unsigned int version; 91 unsigned char id[32]; 92 unsigned int num_dsps; 93 unsigned int dsp_loaded; 94 unsigned int chip_ready; 95 unsigned char reserved[16]; 96 }; 97 struct snd_hwdep_dsp_image { 98 unsigned int index; 99 unsigned char name[64]; 100 unsigned char * image; 101 size_t length; 102 unsigned long driver_data; 103 }; 104 #define SNDRV_HWDEP_IOCTL_PVERSION _IOR('H', 0x00, int) 105 #define SNDRV_HWDEP_IOCTL_INFO _IOR('H', 0x01, struct snd_hwdep_info) 106 #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) 107 #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) 108 #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 14) 109 typedef unsigned long snd_pcm_uframes_t; 110 typedef signed long snd_pcm_sframes_t; 111 enum { 112 SNDRV_PCM_CLASS_GENERIC = 0, 113 SNDRV_PCM_CLASS_MULTI, 114 SNDRV_PCM_CLASS_MODEM, 115 SNDRV_PCM_CLASS_DIGITIZER, 116 SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, 117 }; 118 enum { 119 SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, 120 SNDRV_PCM_SUBCLASS_MULTI_MIX, 121 SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, 122 }; 123 enum { 124 SNDRV_PCM_STREAM_PLAYBACK = 0, 125 SNDRV_PCM_STREAM_CAPTURE, 126 SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, 127 }; 128 typedef int __bitwise snd_pcm_access_t; 129 #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((snd_pcm_access_t) 0) 130 #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((snd_pcm_access_t) 1) 131 #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((snd_pcm_access_t) 2) 132 #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((snd_pcm_access_t) 3) 133 #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((snd_pcm_access_t) 4) 134 #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED 135 typedef int __bitwise snd_pcm_format_t; 136 #define SNDRV_PCM_FORMAT_S8 ((snd_pcm_format_t) 0) 137 #define SNDRV_PCM_FORMAT_U8 ((snd_pcm_format_t) 1) 138 #define SNDRV_PCM_FORMAT_S16_LE ((snd_pcm_format_t) 2) 139 #define SNDRV_PCM_FORMAT_S16_BE ((snd_pcm_format_t) 3) 140 #define SNDRV_PCM_FORMAT_U16_LE ((snd_pcm_format_t) 4) 141 #define SNDRV_PCM_FORMAT_U16_BE ((snd_pcm_format_t) 5) 142 #define SNDRV_PCM_FORMAT_S24_LE ((snd_pcm_format_t) 6) 143 #define SNDRV_PCM_FORMAT_S24_BE ((snd_pcm_format_t) 7) 144 #define SNDRV_PCM_FORMAT_U24_LE ((snd_pcm_format_t) 8) 145 #define SNDRV_PCM_FORMAT_U24_BE ((snd_pcm_format_t) 9) 146 #define SNDRV_PCM_FORMAT_S32_LE ((snd_pcm_format_t) 10) 147 #define SNDRV_PCM_FORMAT_S32_BE ((snd_pcm_format_t) 11) 148 #define SNDRV_PCM_FORMAT_U32_LE ((snd_pcm_format_t) 12) 149 #define SNDRV_PCM_FORMAT_U32_BE ((snd_pcm_format_t) 13) 150 #define SNDRV_PCM_FORMAT_FLOAT_LE ((snd_pcm_format_t) 14) 151 #define SNDRV_PCM_FORMAT_FLOAT_BE ((snd_pcm_format_t) 15) 152 #define SNDRV_PCM_FORMAT_FLOAT64_LE ((snd_pcm_format_t) 16) 153 #define SNDRV_PCM_FORMAT_FLOAT64_BE ((snd_pcm_format_t) 17) 154 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((snd_pcm_format_t) 18) 155 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((snd_pcm_format_t) 19) 156 #define SNDRV_PCM_FORMAT_MU_LAW ((snd_pcm_format_t) 20) 157 #define SNDRV_PCM_FORMAT_A_LAW ((snd_pcm_format_t) 21) 158 #define SNDRV_PCM_FORMAT_IMA_ADPCM ((snd_pcm_format_t) 22) 159 #define SNDRV_PCM_FORMAT_MPEG ((snd_pcm_format_t) 23) 160 #define SNDRV_PCM_FORMAT_GSM ((snd_pcm_format_t) 24) 161 #define SNDRV_PCM_FORMAT_SPECIAL ((snd_pcm_format_t) 31) 162 #define SNDRV_PCM_FORMAT_S24_3LE ((snd_pcm_format_t) 32) 163 #define SNDRV_PCM_FORMAT_S24_3BE ((snd_pcm_format_t) 33) 164 #define SNDRV_PCM_FORMAT_U24_3LE ((snd_pcm_format_t) 34) 165 #define SNDRV_PCM_FORMAT_U24_3BE ((snd_pcm_format_t) 35) 166 #define SNDRV_PCM_FORMAT_S20_3LE ((snd_pcm_format_t) 36) 167 #define SNDRV_PCM_FORMAT_S20_3BE ((snd_pcm_format_t) 37) 168 #define SNDRV_PCM_FORMAT_U20_3LE ((snd_pcm_format_t) 38) 169 #define SNDRV_PCM_FORMAT_U20_3BE ((snd_pcm_format_t) 39) 170 #define SNDRV_PCM_FORMAT_S18_3LE ((snd_pcm_format_t) 40) 171 #define SNDRV_PCM_FORMAT_S18_3BE ((snd_pcm_format_t) 41) 172 #define SNDRV_PCM_FORMAT_U18_3LE ((snd_pcm_format_t) 42) 173 #define SNDRV_PCM_FORMAT_U18_3BE ((snd_pcm_format_t) 43) 174 #define SNDRV_PCM_FORMAT_G723_24 ((snd_pcm_format_t) 44) 175 #define SNDRV_PCM_FORMAT_G723_24_1B ((snd_pcm_format_t) 45) 176 #define SNDRV_PCM_FORMAT_G723_40 ((snd_pcm_format_t) 46) 177 #define SNDRV_PCM_FORMAT_G723_40_1B ((snd_pcm_format_t) 47) 178 #define SNDRV_PCM_FORMAT_DSD_U8 ((snd_pcm_format_t) 48) 179 #define SNDRV_PCM_FORMAT_DSD_U16_LE ((snd_pcm_format_t) 49) 180 #define SNDRV_PCM_FORMAT_DSD_U32_LE ((snd_pcm_format_t) 50) 181 #define SNDRV_PCM_FORMAT_DSD_U16_BE ((snd_pcm_format_t) 51) 182 #define SNDRV_PCM_FORMAT_DSD_U32_BE ((snd_pcm_format_t) 52) 183 #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE 184 #ifdef SNDRV_LITTLE_ENDIAN 185 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE 186 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE 187 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE 188 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE 189 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE 190 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE 191 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE 192 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE 193 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE 194 #endif 195 #ifdef SNDRV_BIG_ENDIAN 196 #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE 197 #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE 198 #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE 199 #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE 200 #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE 201 #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE 202 #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE 203 #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE 204 #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE 205 #endif 206 typedef int __bitwise snd_pcm_subformat_t; 207 #define SNDRV_PCM_SUBFORMAT_STD ((snd_pcm_subformat_t) 0) 208 #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD 209 #define SNDRV_PCM_INFO_MMAP 0x00000001 210 #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 211 #define SNDRV_PCM_INFO_DOUBLE 0x00000004 212 #define SNDRV_PCM_INFO_BATCH 0x00000010 213 #define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 214 #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 215 #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 216 #define SNDRV_PCM_INFO_COMPLEX 0x00000400 217 #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 218 #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 219 #define SNDRV_PCM_INFO_RESUME 0x00040000 220 #define SNDRV_PCM_INFO_PAUSE 0x00080000 221 #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 222 #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 223 #define SNDRV_PCM_INFO_SYNC_START 0x00400000 224 #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 225 #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 226 #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 227 #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 228 #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 229 #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 230 #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 231 #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 232 typedef int __bitwise snd_pcm_state_t; 233 #define SNDRV_PCM_STATE_OPEN ((snd_pcm_state_t) 0) 234 #define SNDRV_PCM_STATE_SETUP ((snd_pcm_state_t) 1) 235 #define SNDRV_PCM_STATE_PREPARED ((snd_pcm_state_t) 2) 236 #define SNDRV_PCM_STATE_RUNNING ((snd_pcm_state_t) 3) 237 #define SNDRV_PCM_STATE_XRUN ((snd_pcm_state_t) 4) 238 #define SNDRV_PCM_STATE_DRAINING ((snd_pcm_state_t) 5) 239 #define SNDRV_PCM_STATE_PAUSED ((snd_pcm_state_t) 6) 240 #define SNDRV_PCM_STATE_SUSPENDED ((snd_pcm_state_t) 7) 241 #define SNDRV_PCM_STATE_DISCONNECTED ((snd_pcm_state_t) 8) 242 #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED 243 enum { 244 SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, 245 SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, 246 SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, 247 }; 248 union snd_pcm_sync_id { 249 unsigned char id[16]; 250 unsigned short id16[8]; 251 unsigned int id32[4]; 252 }; 253 struct snd_pcm_info { 254 unsigned int device; 255 unsigned int subdevice; 256 int stream; 257 int card; 258 unsigned char id[64]; 259 unsigned char name[80]; 260 unsigned char subname[32]; 261 int dev_class; 262 int dev_subclass; 263 unsigned int subdevices_count; 264 unsigned int subdevices_avail; 265 union snd_pcm_sync_id sync; 266 unsigned char reserved[64]; 267 }; 268 typedef int snd_pcm_hw_param_t; 269 #define SNDRV_PCM_HW_PARAM_ACCESS 0 270 #define SNDRV_PCM_HW_PARAM_FORMAT 1 271 #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 272 #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS 273 #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT 274 #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 275 #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 276 #define SNDRV_PCM_HW_PARAM_CHANNELS 10 277 #define SNDRV_PCM_HW_PARAM_RATE 11 278 #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 279 #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 280 #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 281 #define SNDRV_PCM_HW_PARAM_PERIODS 15 282 #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 283 #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 284 #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 285 #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 286 #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS 287 #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME 288 #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1 << 0) 289 #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1 << 1) 290 #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1 << 2) 291 struct snd_interval { 292 unsigned int min, max; 293 unsigned int openmin : 1, openmax : 1, integer : 1, empty : 1; 294 }; 295 #define SNDRV_MASK_MAX 256 296 struct snd_mask { 297 __u32 bits[(SNDRV_MASK_MAX + 31) / 32]; 298 }; 299 struct snd_pcm_hw_params { 300 unsigned int flags; 301 struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; 302 struct snd_mask mres[5]; 303 struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; 304 struct snd_interval ires[9]; 305 unsigned int rmask; 306 unsigned int cmask; 307 unsigned int info; 308 unsigned int msbits; 309 unsigned int rate_num; 310 unsigned int rate_den; 311 snd_pcm_uframes_t fifo_size; 312 unsigned char reserved[64]; 313 }; 314 enum { 315 SNDRV_PCM_TSTAMP_NONE = 0, 316 SNDRV_PCM_TSTAMP_ENABLE, 317 SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, 318 }; 319 struct snd_pcm_sw_params { 320 int tstamp_mode; 321 unsigned int period_step; 322 unsigned int sleep_min; 323 snd_pcm_uframes_t avail_min; 324 snd_pcm_uframes_t xfer_align; 325 snd_pcm_uframes_t start_threshold; 326 snd_pcm_uframes_t stop_threshold; 327 snd_pcm_uframes_t silence_threshold; 328 snd_pcm_uframes_t silence_size; 329 snd_pcm_uframes_t boundary; 330 unsigned int proto; 331 unsigned int tstamp_type; 332 unsigned char reserved[56]; 333 }; 334 struct snd_pcm_channel_info { 335 unsigned int channel; 336 __kernel_off_t offset; 337 unsigned int first; 338 unsigned int step; 339 }; 340 enum { 341 SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0, 342 SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, 343 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, 344 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, 345 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, 346 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, 347 SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED 348 }; 349 struct snd_pcm_status { 350 snd_pcm_state_t state; 351 struct timespec trigger_tstamp; 352 struct timespec tstamp; 353 snd_pcm_uframes_t appl_ptr; 354 snd_pcm_uframes_t hw_ptr; 355 snd_pcm_sframes_t delay; 356 snd_pcm_uframes_t avail; 357 snd_pcm_uframes_t avail_max; 358 snd_pcm_uframes_t overrange; 359 snd_pcm_state_t suspended_state; 360 __u32 audio_tstamp_data; 361 struct timespec audio_tstamp; 362 struct timespec driver_tstamp; 363 __u32 audio_tstamp_accuracy; 364 unsigned char reserved[52 - 2 * sizeof(struct timespec)]; 365 }; 366 struct snd_pcm_mmap_status { 367 snd_pcm_state_t state; 368 int pad1; 369 snd_pcm_uframes_t hw_ptr; 370 struct timespec tstamp; 371 snd_pcm_state_t suspended_state; 372 struct timespec audio_tstamp; 373 }; 374 struct snd_pcm_mmap_control { 375 snd_pcm_uframes_t appl_ptr; 376 snd_pcm_uframes_t avail_min; 377 }; 378 #define SNDRV_PCM_SYNC_PTR_HWSYNC (1 << 0) 379 #define SNDRV_PCM_SYNC_PTR_APPL (1 << 1) 380 #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1 << 2) 381 struct snd_pcm_sync_ptr { 382 unsigned int flags; 383 union { 384 struct snd_pcm_mmap_status status; 385 unsigned char reserved[64]; 386 } s; 387 union { 388 struct snd_pcm_mmap_control control; 389 unsigned char reserved[64]; 390 } c; 391 }; 392 struct snd_xferi { 393 snd_pcm_sframes_t result; 394 void * buf; 395 snd_pcm_uframes_t frames; 396 }; 397 struct snd_xfern { 398 snd_pcm_sframes_t result; 399 void * * bufs; 400 snd_pcm_uframes_t frames; 401 }; 402 enum { 403 SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, 404 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, 405 SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, 406 SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, 407 }; 408 enum { 409 SNDRV_CHMAP_UNKNOWN = 0, 410 SNDRV_CHMAP_NA, 411 SNDRV_CHMAP_MONO, 412 SNDRV_CHMAP_FL, 413 SNDRV_CHMAP_FR, 414 SNDRV_CHMAP_RL, 415 SNDRV_CHMAP_RR, 416 SNDRV_CHMAP_FC, 417 SNDRV_CHMAP_LFE, 418 SNDRV_CHMAP_SL, 419 SNDRV_CHMAP_SR, 420 SNDRV_CHMAP_RC, 421 SNDRV_CHMAP_FLC, 422 SNDRV_CHMAP_FRC, 423 SNDRV_CHMAP_RLC, 424 SNDRV_CHMAP_RRC, 425 SNDRV_CHMAP_FLW, 426 SNDRV_CHMAP_FRW, 427 SNDRV_CHMAP_FLH, 428 SNDRV_CHMAP_FCH, 429 SNDRV_CHMAP_FRH, 430 SNDRV_CHMAP_TC, 431 SNDRV_CHMAP_TFL, 432 SNDRV_CHMAP_TFR, 433 SNDRV_CHMAP_TFC, 434 SNDRV_CHMAP_TRL, 435 SNDRV_CHMAP_TRR, 436 SNDRV_CHMAP_TRC, 437 SNDRV_CHMAP_TFLC, 438 SNDRV_CHMAP_TFRC, 439 SNDRV_CHMAP_TSL, 440 SNDRV_CHMAP_TSR, 441 SNDRV_CHMAP_LLFE, 442 SNDRV_CHMAP_RLFE, 443 SNDRV_CHMAP_BC, 444 SNDRV_CHMAP_BLC, 445 SNDRV_CHMAP_BRC, 446 SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC, 447 }; 448 #define SNDRV_CHMAP_POSITION_MASK 0xffff 449 #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) 450 #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) 451 #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) 452 #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) 453 #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) 454 #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) 455 #define SNDRV_PCM_IOCTL_USER_PVERSION _IOW('A', 0x04, int) 456 #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) 457 #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) 458 #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) 459 #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) 460 #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) 461 #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) 462 #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) 463 #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) 464 #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status) 465 #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) 466 #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) 467 #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) 468 #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) 469 #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) 470 #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) 471 #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) 472 #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) 473 #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) 474 #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) 475 #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) 476 #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) 477 #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) 478 #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) 479 #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) 480 #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) 481 #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) 482 #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) 483 enum { 484 SNDRV_RAWMIDI_STREAM_OUTPUT = 0, 485 SNDRV_RAWMIDI_STREAM_INPUT, 486 SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, 487 }; 488 #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 489 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 490 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 491 struct snd_rawmidi_info { 492 unsigned int device; 493 unsigned int subdevice; 494 int stream; 495 int card; 496 unsigned int flags; 497 unsigned char id[64]; 498 unsigned char name[80]; 499 unsigned char subname[32]; 500 unsigned int subdevices_count; 501 unsigned int subdevices_avail; 502 unsigned char reserved[64]; 503 }; 504 struct snd_rawmidi_params { 505 int stream; 506 size_t buffer_size; 507 size_t avail_min; 508 unsigned int no_active_sensing : 1; 509 unsigned char reserved[16]; 510 }; 511 struct snd_rawmidi_status { 512 int stream; 513 struct timespec tstamp; 514 size_t avail; 515 size_t xruns; 516 unsigned char reserved[16]; 517 }; 518 #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) 519 #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) 520 #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) 521 #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) 522 #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) 523 #define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int) 524 #define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) 525 enum { 526 SNDRV_TIMER_CLASS_NONE = - 1, 527 SNDRV_TIMER_CLASS_SLAVE = 0, 528 SNDRV_TIMER_CLASS_GLOBAL, 529 SNDRV_TIMER_CLASS_CARD, 530 SNDRV_TIMER_CLASS_PCM, 531 SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM, 532 }; 533 enum { 534 SNDRV_TIMER_SCLASS_NONE = 0, 535 SNDRV_TIMER_SCLASS_APPLICATION, 536 SNDRV_TIMER_SCLASS_SEQUENCER, 537 SNDRV_TIMER_SCLASS_OSS_SEQUENCER, 538 SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER, 539 }; 540 #define SNDRV_TIMER_GLOBAL_SYSTEM 0 541 #define SNDRV_TIMER_GLOBAL_RTC 1 542 #define SNDRV_TIMER_GLOBAL_HPET 2 543 #define SNDRV_TIMER_GLOBAL_HRTIMER 3 544 #define SNDRV_TIMER_FLG_SLAVE (1 << 0) 545 struct snd_timer_id { 546 int dev_class; 547 int dev_sclass; 548 int card; 549 int device; 550 int subdevice; 551 }; 552 struct snd_timer_ginfo { 553 struct snd_timer_id tid; 554 unsigned int flags; 555 int card; 556 unsigned char id[64]; 557 unsigned char name[80]; 558 unsigned long reserved0; 559 unsigned long resolution; 560 unsigned long resolution_min; 561 unsigned long resolution_max; 562 unsigned int clients; 563 unsigned char reserved[32]; 564 }; 565 struct snd_timer_gparams { 566 struct snd_timer_id tid; 567 unsigned long period_num; 568 unsigned long period_den; 569 unsigned char reserved[32]; 570 }; 571 struct snd_timer_gstatus { 572 struct snd_timer_id tid; 573 unsigned long resolution; 574 unsigned long resolution_num; 575 unsigned long resolution_den; 576 unsigned char reserved[32]; 577 }; 578 struct snd_timer_select { 579 struct snd_timer_id id; 580 unsigned char reserved[32]; 581 }; 582 struct snd_timer_info { 583 unsigned int flags; 584 int card; 585 unsigned char id[64]; 586 unsigned char name[80]; 587 unsigned long reserved0; 588 unsigned long resolution; 589 unsigned char reserved[64]; 590 }; 591 #define SNDRV_TIMER_PSFLG_AUTO (1 << 0) 592 #define SNDRV_TIMER_PSFLG_EXCLUSIVE (1 << 1) 593 #define SNDRV_TIMER_PSFLG_EARLY_EVENT (1 << 2) 594 struct snd_timer_params { 595 unsigned int flags; 596 unsigned int ticks; 597 unsigned int queue_size; 598 unsigned int reserved0; 599 unsigned int filter; 600 unsigned char reserved[60]; 601 }; 602 struct snd_timer_status { 603 struct timespec tstamp; 604 unsigned int resolution; 605 unsigned int lost; 606 unsigned int overrun; 607 unsigned int queue; 608 unsigned char reserved[64]; 609 }; 610 #define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int) 611 #define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id) 612 #define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int) 613 #define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo) 614 #define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams) 615 #define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus) 616 #define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select) 617 #define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info) 618 #define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params) 619 #define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status) 620 #define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0) 621 #define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1) 622 #define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2) 623 #define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3) 624 struct snd_timer_read { 625 unsigned int resolution; 626 unsigned int ticks; 627 }; 628 enum { 629 SNDRV_TIMER_EVENT_RESOLUTION = 0, 630 SNDRV_TIMER_EVENT_TICK, 631 SNDRV_TIMER_EVENT_START, 632 SNDRV_TIMER_EVENT_STOP, 633 SNDRV_TIMER_EVENT_CONTINUE, 634 SNDRV_TIMER_EVENT_PAUSE, 635 SNDRV_TIMER_EVENT_EARLY, 636 SNDRV_TIMER_EVENT_SUSPEND, 637 SNDRV_TIMER_EVENT_RESUME, 638 SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, 639 SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, 640 SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, 641 SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, 642 SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, 643 SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, 644 }; 645 struct snd_timer_tread { 646 int event; 647 struct timespec tstamp; 648 unsigned int val; 649 }; 650 #define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7) 651 struct snd_ctl_card_info { 652 int card; 653 int pad; 654 unsigned char id[16]; 655 unsigned char driver[16]; 656 unsigned char name[32]; 657 unsigned char longname[80]; 658 unsigned char reserved_[16]; 659 unsigned char mixername[80]; 660 unsigned char components[128]; 661 }; 662 typedef int __bitwise snd_ctl_elem_type_t; 663 #define SNDRV_CTL_ELEM_TYPE_NONE ((snd_ctl_elem_type_t) 0) 664 #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((snd_ctl_elem_type_t) 1) 665 #define SNDRV_CTL_ELEM_TYPE_INTEGER ((snd_ctl_elem_type_t) 2) 666 #define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((snd_ctl_elem_type_t) 3) 667 #define SNDRV_CTL_ELEM_TYPE_BYTES ((snd_ctl_elem_type_t) 4) 668 #define SNDRV_CTL_ELEM_TYPE_IEC958 ((snd_ctl_elem_type_t) 5) 669 #define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((snd_ctl_elem_type_t) 6) 670 #define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64 671 typedef int __bitwise snd_ctl_elem_iface_t; 672 #define SNDRV_CTL_ELEM_IFACE_CARD ((snd_ctl_elem_iface_t) 0) 673 #define SNDRV_CTL_ELEM_IFACE_HWDEP ((snd_ctl_elem_iface_t) 1) 674 #define SNDRV_CTL_ELEM_IFACE_MIXER ((snd_ctl_elem_iface_t) 2) 675 #define SNDRV_CTL_ELEM_IFACE_PCM ((snd_ctl_elem_iface_t) 3) 676 #define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((snd_ctl_elem_iface_t) 4) 677 #define SNDRV_CTL_ELEM_IFACE_TIMER ((snd_ctl_elem_iface_t) 5) 678 #define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((snd_ctl_elem_iface_t) 6) 679 #define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER 680 #define SNDRV_CTL_ELEM_ACCESS_READ (1 << 0) 681 #define SNDRV_CTL_ELEM_ACCESS_WRITE (1 << 1) 682 #define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE) 683 #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1 << 2) 684 #define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1 << 3) 685 #define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1 << 4) 686 #define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1 << 5) 687 #define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) 688 #define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1 << 6) 689 #define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1 << 8) 690 #define SNDRV_CTL_ELEM_ACCESS_LOCK (1 << 9) 691 #define SNDRV_CTL_ELEM_ACCESS_OWNER (1 << 10) 692 #define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1 << 28) 693 #define SNDRV_CTL_ELEM_ACCESS_USER (1 << 29) 694 #define SNDRV_CTL_POWER_D0 0x0000 695 #define SNDRV_CTL_POWER_D1 0x0100 696 #define SNDRV_CTL_POWER_D2 0x0200 697 #define SNDRV_CTL_POWER_D3 0x0300 698 #define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3 | 0x0000) 699 #define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3 | 0x0001) 700 #define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44 701 struct snd_ctl_elem_id { 702 unsigned int numid; 703 snd_ctl_elem_iface_t iface; 704 unsigned int device; 705 unsigned int subdevice; 706 unsigned char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 707 unsigned int index; 708 }; 709 struct snd_ctl_elem_list { 710 unsigned int offset; 711 unsigned int space; 712 unsigned int used; 713 unsigned int count; 714 struct snd_ctl_elem_id * pids; 715 unsigned char reserved[50]; 716 }; 717 struct snd_ctl_elem_info { 718 struct snd_ctl_elem_id id; 719 snd_ctl_elem_type_t type; 720 unsigned int access; 721 unsigned int count; 722 __kernel_pid_t owner; 723 union { 724 struct { 725 long min; 726 long max; 727 long step; 728 } integer; 729 struct { 730 long long min; 731 long long max; 732 long long step; 733 } integer64; 734 struct { 735 unsigned int items; 736 unsigned int item; 737 char name[64]; 738 __u64 names_ptr; 739 unsigned int names_length; 740 } enumerated; 741 unsigned char reserved[128]; 742 } value; 743 union { 744 unsigned short d[4]; 745 unsigned short * d_ptr; 746 } dimen; 747 unsigned char reserved[64 - 4 * sizeof(unsigned short)]; 748 }; 749 struct snd_ctl_elem_value { 750 struct snd_ctl_elem_id id; 751 unsigned int indirect : 1; 752 union { 753 union { 754 long value[128]; 755 long * value_ptr; 756 } integer; 757 union { 758 long long value[64]; 759 long long * value_ptr; 760 } integer64; 761 union { 762 unsigned int item[128]; 763 unsigned int * item_ptr; 764 } enumerated; 765 union { 766 unsigned char data[512]; 767 unsigned char * data_ptr; 768 } bytes; 769 struct snd_aes_iec958 iec958; 770 } value; 771 struct timespec tstamp; 772 unsigned char reserved[128 - sizeof(struct timespec)]; 773 }; 774 struct snd_ctl_tlv { 775 unsigned int numid; 776 unsigned int length; 777 unsigned int tlv[0]; 778 }; 779 #define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int) 780 #define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info) 781 #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) 782 #define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info) 783 #define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value) 784 #define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value) 785 #define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id) 786 #define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id) 787 #define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int) 788 #define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info) 789 #define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info) 790 #define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id) 791 #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) 792 #define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv) 793 #define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv) 794 #define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int) 795 #define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info) 796 #define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int) 797 #define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info) 798 #define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int) 799 #define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int) 800 #define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info) 801 #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int) 802 #define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int) 803 #define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int) 804 enum sndrv_ctl_event_type { 805 SNDRV_CTL_EVENT_ELEM = 0, 806 SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM, 807 }; 808 #define SNDRV_CTL_EVENT_MASK_VALUE (1 << 0) 809 #define SNDRV_CTL_EVENT_MASK_INFO (1 << 1) 810 #define SNDRV_CTL_EVENT_MASK_ADD (1 << 2) 811 #define SNDRV_CTL_EVENT_MASK_TLV (1 << 3) 812 #define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) 813 struct snd_ctl_event { 814 int type; 815 union { 816 struct { 817 unsigned int mask; 818 struct snd_ctl_elem_id id; 819 } elem; 820 unsigned char data8[60]; 821 } data; 822 }; 823 #define SNDRV_CTL_NAME_NONE "" 824 #define SNDRV_CTL_NAME_PLAYBACK "Playback " 825 #define SNDRV_CTL_NAME_CAPTURE "Capture " 826 #define SNDRV_CTL_NAME_IEC958_NONE "" 827 #define SNDRV_CTL_NAME_IEC958_SWITCH "Switch" 828 #define SNDRV_CTL_NAME_IEC958_VOLUME "Volume" 829 #define SNDRV_CTL_NAME_IEC958_DEFAULT "Default" 830 #define SNDRV_CTL_NAME_IEC958_MASK "Mask" 831 #define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask" 832 #define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask" 833 #define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream" 834 #define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_ ##direction SNDRV_CTL_NAME_IEC958_ ##what 835 #endif 836