1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * uapi/sound/asoc.h -- ALSA SoC Firmware Controls and DAPM 4 * 5 * Copyright (C) 2012 Texas Instruments Inc. 6 * Copyright (C) 2015 Intel Corporation. 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 version 2 as 10 * published by the Free Software Foundation. 11 * 12 * Simple file API to load FW that includes mixers, coefficients, DAPM graphs, 13 * algorithms, equalisers, DAIs, widgets etc. 14 */ 15 16 #ifndef __LINUX_UAPI_SND_ASOC_H 17 #define __LINUX_UAPI_SND_ASOC_H 18 19 #include <linux/types.h> 20 #include <sound/asound.h> 21 22 /* 23 * Maximum number of channels topology kcontrol can represent. 24 */ 25 #define SND_SOC_TPLG_MAX_CHAN 8 26 27 /* 28 * Maximum number of PCM formats capability 29 */ 30 #define SND_SOC_TPLG_MAX_FORMATS 16 31 32 /* 33 * Maximum number of PCM stream configs 34 */ 35 #define SND_SOC_TPLG_STREAM_CONFIG_MAX 8 36 37 /* 38 * Maximum number of physical link's hardware configs 39 */ 40 #define SND_SOC_TPLG_HW_CONFIG_MAX 8 41 42 /* individual kcontrol info types - can be mixed with other types */ 43 #define SND_SOC_TPLG_CTL_VOLSW 1 44 #define SND_SOC_TPLG_CTL_VOLSW_SX 2 45 #define SND_SOC_TPLG_CTL_VOLSW_XR_SX 3 46 #define SND_SOC_TPLG_CTL_ENUM 4 47 #define SND_SOC_TPLG_CTL_BYTES 5 48 #define SND_SOC_TPLG_CTL_ENUM_VALUE 6 49 #define SND_SOC_TPLG_CTL_RANGE 7 50 #define SND_SOC_TPLG_CTL_STROBE 8 51 52 53 /* individual widget kcontrol info types - can be mixed with other types */ 54 #define SND_SOC_TPLG_DAPM_CTL_VOLSW 64 55 #define SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE 65 56 #define SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT 66 57 #define SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE 67 58 #define SND_SOC_TPLG_DAPM_CTL_PIN 68 59 60 /* DAPM widget types - add new items to the end */ 61 #define SND_SOC_TPLG_DAPM_INPUT 0 62 #define SND_SOC_TPLG_DAPM_OUTPUT 1 63 #define SND_SOC_TPLG_DAPM_MUX 2 64 #define SND_SOC_TPLG_DAPM_MIXER 3 65 #define SND_SOC_TPLG_DAPM_PGA 4 66 #define SND_SOC_TPLG_DAPM_OUT_DRV 5 67 #define SND_SOC_TPLG_DAPM_ADC 6 68 #define SND_SOC_TPLG_DAPM_DAC 7 69 #define SND_SOC_TPLG_DAPM_SWITCH 8 70 #define SND_SOC_TPLG_DAPM_PRE 9 71 #define SND_SOC_TPLG_DAPM_POST 10 72 #define SND_SOC_TPLG_DAPM_AIF_IN 11 73 #define SND_SOC_TPLG_DAPM_AIF_OUT 12 74 #define SND_SOC_TPLG_DAPM_DAI_IN 13 75 #define SND_SOC_TPLG_DAPM_DAI_OUT 14 76 #define SND_SOC_TPLG_DAPM_DAI_LINK 15 77 #define SND_SOC_TPLG_DAPM_BUFFER 16 78 #define SND_SOC_TPLG_DAPM_SCHEDULER 17 79 #define SND_SOC_TPLG_DAPM_EFFECT 18 80 #define SND_SOC_TPLG_DAPM_SIGGEN 19 81 #define SND_SOC_TPLG_DAPM_SRC 20 82 #define SND_SOC_TPLG_DAPM_ASRC 21 83 #define SND_SOC_TPLG_DAPM_ENCODER 22 84 #define SND_SOC_TPLG_DAPM_DECODER 23 85 #define SND_SOC_TPLG_DAPM_LAST SND_SOC_TPLG_DAPM_DECODER 86 87 /* Header magic number and string sizes */ 88 #define SND_SOC_TPLG_MAGIC 0x41536F43 /* ASoC */ 89 90 /* string sizes */ 91 #define SND_SOC_TPLG_NUM_TEXTS 16 92 93 /* ABI version */ 94 #define SND_SOC_TPLG_ABI_VERSION 0x5 /* current version */ 95 #define SND_SOC_TPLG_ABI_VERSION_MIN 0x4 /* oldest version supported */ 96 97 /* Max size of TLV data */ 98 #define SND_SOC_TPLG_TLV_SIZE 32 99 100 /* 101 * File and Block header data types. 102 * Add new generic and vendor types to end of list. 103 * Generic types are handled by the core whilst vendors types are passed 104 * to the component drivers for handling. 105 */ 106 #define SND_SOC_TPLG_TYPE_MIXER 1 107 #define SND_SOC_TPLG_TYPE_BYTES 2 108 #define SND_SOC_TPLG_TYPE_ENUM 3 109 #define SND_SOC_TPLG_TYPE_DAPM_GRAPH 4 110 #define SND_SOC_TPLG_TYPE_DAPM_WIDGET 5 111 #define SND_SOC_TPLG_TYPE_DAI_LINK 6 112 #define SND_SOC_TPLG_TYPE_PCM 7 113 #define SND_SOC_TPLG_TYPE_MANIFEST 8 114 #define SND_SOC_TPLG_TYPE_CODEC_LINK 9 115 #define SND_SOC_TPLG_TYPE_BACKEND_LINK 10 116 #define SND_SOC_TPLG_TYPE_PDATA 11 117 #define SND_SOC_TPLG_TYPE_DAI 12 118 #define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_DAI 119 120 /* vendor block IDs - please add new vendor types to end */ 121 #define SND_SOC_TPLG_TYPE_VENDOR_FW 1000 122 #define SND_SOC_TPLG_TYPE_VENDOR_CONFIG 1001 123 #define SND_SOC_TPLG_TYPE_VENDOR_COEFF 1002 124 #define SND_SOC_TPLG_TYPEVENDOR_CODEC 1003 125 126 #define SND_SOC_TPLG_STREAM_PLAYBACK 0 127 #define SND_SOC_TPLG_STREAM_CAPTURE 1 128 129 /* vendor tuple types */ 130 #define SND_SOC_TPLG_TUPLE_TYPE_UUID 0 131 #define SND_SOC_TPLG_TUPLE_TYPE_STRING 1 132 #define SND_SOC_TPLG_TUPLE_TYPE_BOOL 2 133 #define SND_SOC_TPLG_TUPLE_TYPE_BYTE 3 134 #define SND_SOC_TPLG_TUPLE_TYPE_WORD 4 135 #define SND_SOC_TPLG_TUPLE_TYPE_SHORT 5 136 137 /* DAI flags */ 138 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES (1 << 0) 139 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS (1 << 1) 140 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2) 141 142 /* DAI clock gating */ 143 #define SND_SOC_TPLG_DAI_CLK_GATE_UNDEFINED 0 144 #define SND_SOC_TPLG_DAI_CLK_GATE_GATED 1 145 #define SND_SOC_TPLG_DAI_CLK_GATE_CONT 2 146 147 /* DAI mclk_direction */ 148 #define SND_SOC_TPLG_MCLK_CO 0 /* for codec, mclk is output */ 149 #define SND_SOC_TPLG_MCLK_CI 1 /* for codec, mclk is input */ 150 151 /* DAI physical PCM data formats. 152 * Add new formats to the end of the list. 153 */ 154 #define SND_SOC_DAI_FORMAT_I2S 1 /* I2S mode */ 155 #define SND_SOC_DAI_FORMAT_RIGHT_J 2 /* Right Justified mode */ 156 #define SND_SOC_DAI_FORMAT_LEFT_J 3 /* Left Justified mode */ 157 #define SND_SOC_DAI_FORMAT_DSP_A 4 /* L data MSB after FRM LRC */ 158 #define SND_SOC_DAI_FORMAT_DSP_B 5 /* L data MSB during FRM LRC */ 159 #define SND_SOC_DAI_FORMAT_AC97 6 /* AC97 */ 160 #define SND_SOC_DAI_FORMAT_PDM 7 /* Pulse density modulation */ 161 162 /* left and right justified also known as MSB and LSB respectively */ 163 #define SND_SOC_DAI_FORMAT_MSB SND_SOC_DAI_FORMAT_LEFT_J 164 #define SND_SOC_DAI_FORMAT_LSB SND_SOC_DAI_FORMAT_RIGHT_J 165 166 /* DAI link flags */ 167 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES (1 << 0) 168 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS (1 << 1) 169 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2) 170 #define SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP (1 << 3) 171 172 /* DAI topology BCLK parameter 173 * For the backwards capability, by default codec is bclk master 174 */ 175 #define SND_SOC_TPLG_BCLK_CM 0 /* codec is bclk master */ 176 #define SND_SOC_TPLG_BCLK_CS 1 /* codec is bclk slave */ 177 178 /* DAI topology FSYNC parameter 179 * For the backwards capability, by default codec is fsync master 180 */ 181 #define SND_SOC_TPLG_FSYNC_CM 0 /* codec is fsync master */ 182 #define SND_SOC_TPLG_FSYNC_CS 1 /* codec is fsync slave */ 183 184 /* 185 * Block Header. 186 * This header precedes all object and object arrays below. 187 */ 188 struct snd_soc_tplg_hdr { 189 __le32 magic; /* magic number */ 190 __le32 abi; /* ABI version */ 191 __le32 version; /* optional vendor specific version details */ 192 __le32 type; /* SND_SOC_TPLG_TYPE_ */ 193 __le32 size; /* size of this structure */ 194 __le32 vendor_type; /* optional vendor specific type info */ 195 __le32 payload_size; /* data bytes, excluding this header */ 196 __le32 index; /* identifier for block */ 197 __le32 count; /* number of elements in block */ 198 } __attribute__((packed)); 199 200 /* vendor tuple for uuid */ 201 struct snd_soc_tplg_vendor_uuid_elem { 202 __le32 token; 203 char uuid[16]; 204 } __attribute__((packed)); 205 206 /* vendor tuple for a bool/byte/short/word value */ 207 struct snd_soc_tplg_vendor_value_elem { 208 __le32 token; 209 __le32 value; 210 } __attribute__((packed)); 211 212 /* vendor tuple for string */ 213 struct snd_soc_tplg_vendor_string_elem { 214 __le32 token; 215 char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 216 } __attribute__((packed)); 217 218 struct snd_soc_tplg_vendor_array { 219 __le32 size; /* size in bytes of the array, including all elements */ 220 __le32 type; /* SND_SOC_TPLG_TUPLE_TYPE_ */ 221 __le32 num_elems; /* number of elements in array */ 222 union { 223 struct snd_soc_tplg_vendor_uuid_elem uuid[0]; 224 struct snd_soc_tplg_vendor_value_elem value[0]; 225 struct snd_soc_tplg_vendor_string_elem string[0]; 226 }; 227 } __attribute__((packed)); 228 229 /* 230 * Private data. 231 * All topology objects may have private data that can be used by the driver or 232 * firmware. Core will ignore this data. 233 */ 234 struct snd_soc_tplg_private { 235 __le32 size; /* in bytes of private data */ 236 union { 237 char data[0]; 238 struct snd_soc_tplg_vendor_array array[0]; 239 }; 240 } __attribute__((packed)); 241 242 /* 243 * Kcontrol TLV data. 244 */ 245 struct snd_soc_tplg_tlv_dbscale { 246 __le32 min; 247 __le32 step; 248 __le32 mute; 249 } __attribute__((packed)); 250 251 struct snd_soc_tplg_ctl_tlv { 252 __le32 size; /* in bytes of this structure */ 253 __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */ 254 union { 255 __le32 data[SND_SOC_TPLG_TLV_SIZE]; 256 struct snd_soc_tplg_tlv_dbscale scale; 257 }; 258 } __attribute__((packed)); 259 260 /* 261 * Kcontrol channel data 262 */ 263 struct snd_soc_tplg_channel { 264 __le32 size; /* in bytes of this structure */ 265 __le32 reg; 266 __le32 shift; 267 __le32 id; /* ID maps to Left, Right, LFE etc */ 268 } __attribute__((packed)); 269 270 /* 271 * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops 272 * Kcontrol ops need get/put/info. 273 * Bytes ext ops need get/put. 274 */ 275 struct snd_soc_tplg_io_ops { 276 __le32 get; 277 __le32 put; 278 __le32 info; 279 } __attribute__((packed)); 280 281 /* 282 * kcontrol header 283 */ 284 struct snd_soc_tplg_ctl_hdr { 285 __le32 size; /* in bytes of this structure */ 286 __le32 type; 287 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 288 __le32 access; 289 struct snd_soc_tplg_io_ops ops; 290 struct snd_soc_tplg_ctl_tlv tlv; 291 } __attribute__((packed)); 292 293 /* 294 * Stream Capabilities 295 */ 296 struct snd_soc_tplg_stream_caps { 297 __le32 size; /* in bytes of this structure */ 298 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 299 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */ 300 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */ 301 __le32 rate_min; /* min rate */ 302 __le32 rate_max; /* max rate */ 303 __le32 channels_min; /* min channels */ 304 __le32 channels_max; /* max channels */ 305 __le32 periods_min; /* min number of periods */ 306 __le32 periods_max; /* max number of periods */ 307 __le32 period_size_min; /* min period size bytes */ 308 __le32 period_size_max; /* max period size bytes */ 309 __le32 buffer_size_min; /* min buffer size bytes */ 310 __le32 buffer_size_max; /* max buffer size bytes */ 311 __le32 sig_bits; /* number of bits of content */ 312 } __attribute__((packed)); 313 314 /* 315 * FE or BE Stream configuration supported by SW/FW 316 */ 317 struct snd_soc_tplg_stream { 318 __le32 size; /* in bytes of this structure */ 319 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */ 320 __le64 format; /* SNDRV_PCM_FMTBIT_* */ 321 __le32 rate; /* SNDRV_PCM_RATE_* */ 322 __le32 period_bytes; /* size of period in bytes */ 323 __le32 buffer_bytes; /* size of buffer in bytes */ 324 __le32 channels; /* channels */ 325 } __attribute__((packed)); 326 327 328 /* 329 * Describes a physical link's runtime supported hardware config, 330 * i.e. hardware audio formats. 331 */ 332 struct snd_soc_tplg_hw_config { 333 __le32 size; /* in bytes of this structure */ 334 __le32 id; /* unique ID - - used to match */ 335 __le32 fmt; /* SND_SOC_DAI_FORMAT_ format value */ 336 __u8 clock_gated; /* SND_SOC_TPLG_DAI_CLK_GATE_ value */ 337 __u8 invert_bclk; /* 1 for inverted BCLK, 0 for normal */ 338 __u8 invert_fsync; /* 1 for inverted frame clock, 0 for normal */ 339 __u8 bclk_master; /* SND_SOC_TPLG_BCLK_ value */ 340 __u8 fsync_master; /* SND_SOC_TPLG_FSYNC_ value */ 341 __u8 mclk_direction; /* SND_SOC_TPLG_MCLK_ value */ 342 __le16 reserved; /* for 32bit alignment */ 343 __le32 mclk_rate; /* MCLK or SYSCLK freqency in Hz */ 344 __le32 bclk_rate; /* BCLK freqency in Hz */ 345 __le32 fsync_rate; /* frame clock in Hz */ 346 __le32 tdm_slots; /* number of TDM slots in use */ 347 __le32 tdm_slot_width; /* width in bits for each slot */ 348 __le32 tx_slots; /* bit mask for active Tx slots */ 349 __le32 rx_slots; /* bit mask for active Rx slots */ 350 __le32 tx_channels; /* number of Tx channels */ 351 __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */ 352 __le32 rx_channels; /* number of Rx channels */ 353 __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */ 354 } __attribute__((packed)); 355 356 /* 357 * Manifest. List totals for each payload type. Not used in parsing, but will 358 * be passed to the component driver before any other objects in order for any 359 * global component resource allocations. 360 * 361 * File block representation for manifest :- 362 * +-----------------------------------+----+ 363 * | struct snd_soc_tplg_hdr | 1 | 364 * +-----------------------------------+----+ 365 * | struct snd_soc_tplg_manifest | 1 | 366 * +-----------------------------------+----+ 367 */ 368 struct snd_soc_tplg_manifest { 369 __le32 size; /* in bytes of this structure */ 370 __le32 control_elems; /* number of control elements */ 371 __le32 widget_elems; /* number of widget elements */ 372 __le32 graph_elems; /* number of graph elements */ 373 __le32 pcm_elems; /* number of PCM elements */ 374 __le32 dai_link_elems; /* number of DAI link elements */ 375 __le32 dai_elems; /* number of physical DAI elements */ 376 __le32 reserved[20]; /* reserved for new ABI element types */ 377 struct snd_soc_tplg_private priv; 378 } __attribute__((packed)); 379 380 /* 381 * Mixer kcontrol. 382 * 383 * File block representation for mixer kcontrol :- 384 * +-----------------------------------+----+ 385 * | struct snd_soc_tplg_hdr | 1 | 386 * +-----------------------------------+----+ 387 * | struct snd_soc_tplg_mixer_control | N | 388 * +-----------------------------------+----+ 389 */ 390 struct snd_soc_tplg_mixer_control { 391 struct snd_soc_tplg_ctl_hdr hdr; 392 __le32 size; /* in bytes of this structure */ 393 __le32 min; 394 __le32 max; 395 __le32 platform_max; 396 __le32 invert; 397 __le32 num_channels; 398 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN]; 399 struct snd_soc_tplg_private priv; 400 } __attribute__((packed)); 401 402 /* 403 * Enumerated kcontrol 404 * 405 * File block representation for enum kcontrol :- 406 * +-----------------------------------+----+ 407 * | struct snd_soc_tplg_hdr | 1 | 408 * +-----------------------------------+----+ 409 * | struct snd_soc_tplg_enum_control | N | 410 * +-----------------------------------+----+ 411 */ 412 struct snd_soc_tplg_enum_control { 413 struct snd_soc_tplg_ctl_hdr hdr; 414 __le32 size; /* in bytes of this structure */ 415 __le32 num_channels; 416 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN]; 417 __le32 items; 418 __le32 mask; 419 __le32 count; 420 char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 421 __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4]; 422 struct snd_soc_tplg_private priv; 423 } __attribute__((packed)); 424 425 /* 426 * Bytes kcontrol 427 * 428 * File block representation for bytes kcontrol :- 429 * +-----------------------------------+----+ 430 * | struct snd_soc_tplg_hdr | 1 | 431 * +-----------------------------------+----+ 432 * | struct snd_soc_tplg_bytes_control | N | 433 * +-----------------------------------+----+ 434 */ 435 struct snd_soc_tplg_bytes_control { 436 struct snd_soc_tplg_ctl_hdr hdr; 437 __le32 size; /* in bytes of this structure */ 438 __le32 max; 439 __le32 mask; 440 __le32 base; 441 __le32 num_regs; 442 struct snd_soc_tplg_io_ops ext_ops; 443 struct snd_soc_tplg_private priv; 444 } __attribute__((packed)); 445 446 /* 447 * DAPM Graph Element 448 * 449 * File block representation for DAPM graph elements :- 450 * +-------------------------------------+----+ 451 * | struct snd_soc_tplg_hdr | 1 | 452 * +-------------------------------------+----+ 453 * | struct snd_soc_tplg_dapm_graph_elem | N | 454 * +-------------------------------------+----+ 455 */ 456 struct snd_soc_tplg_dapm_graph_elem { 457 char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 458 char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 459 char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 460 } __attribute__((packed)); 461 462 /* 463 * DAPM Widget. 464 * 465 * File block representation for DAPM widget :- 466 * +-------------------------------------+-----+ 467 * | struct snd_soc_tplg_hdr | 1 | 468 * +-------------------------------------+-----+ 469 * | struct snd_soc_tplg_dapm_widget | N | 470 * +-------------------------------------+-----+ 471 * | struct snd_soc_tplg_enum_control | 0|1 | 472 * | struct snd_soc_tplg_mixer_control | 0|N | 473 * +-------------------------------------+-----+ 474 * 475 * Optional enum or mixer control can be appended to the end of each widget 476 * in the block. 477 */ 478 struct snd_soc_tplg_dapm_widget { 479 __le32 size; /* in bytes of this structure */ 480 __le32 id; /* SND_SOC_DAPM_CTL */ 481 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 482 char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 483 484 __le32 reg; /* negative reg = no direct dapm */ 485 __le32 shift; /* bits to shift */ 486 __le32 mask; /* non-shifted mask */ 487 __le32 subseq; /* sort within widget type */ 488 __le32 invert; /* invert the power bit */ 489 __le32 ignore_suspend; /* kept enabled over suspend */ 490 __le16 event_flags; 491 __le16 event_type; 492 __le32 num_kcontrols; 493 struct snd_soc_tplg_private priv; 494 /* 495 * kcontrols that relate to this widget 496 * follow here after widget private data 497 */ 498 } __attribute__((packed)); 499 500 501 /* 502 * Describes SW/FW specific features of PCM (FE DAI & DAI link). 503 * 504 * File block representation for PCM :- 505 * +-----------------------------------+-----+ 506 * | struct snd_soc_tplg_hdr | 1 | 507 * +-----------------------------------+-----+ 508 * | struct snd_soc_tplg_pcm | N | 509 * +-----------------------------------+-----+ 510 */ 511 struct snd_soc_tplg_pcm { 512 __le32 size; /* in bytes of this structure */ 513 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 514 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 515 __le32 pcm_id; /* unique ID - used to match with DAI link */ 516 __le32 dai_id; /* unique ID - used to match */ 517 __le32 playback; /* supports playback mode */ 518 __le32 capture; /* supports capture mode */ 519 __le32 compress; /* 1 = compressed; 0 = PCM */ 520 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */ 521 __le32 num_streams; /* number of streams */ 522 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */ 523 __le32 flag_mask; /* bitmask of flags to configure */ 524 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */ 525 struct snd_soc_tplg_private priv; 526 } __attribute__((packed)); 527 528 529 /* 530 * Describes the physical link runtime supported configs or params 531 * 532 * File block representation for physical link config :- 533 * +-----------------------------------+-----+ 534 * | struct snd_soc_tplg_hdr | 1 | 535 * +-----------------------------------+-----+ 536 * | struct snd_soc_tplg_link_config | N | 537 * +-----------------------------------+-----+ 538 */ 539 struct snd_soc_tplg_link_config { 540 __le32 size; /* in bytes of this structure */ 541 __le32 id; /* unique ID - used to match */ 542 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */ 543 char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */ 544 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */ 545 __le32 num_streams; /* number of streams */ 546 struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */ 547 __le32 num_hw_configs; /* number of hw configs */ 548 __le32 default_hw_config_id; /* default hw config ID for init */ 549 __le32 flag_mask; /* bitmask of flags to configure */ 550 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */ 551 struct snd_soc_tplg_private priv; 552 } __attribute__((packed)); 553 554 /* 555 * Describes SW/FW specific features of physical DAI. 556 * It can be used to configure backend DAIs for DPCM. 557 * 558 * File block representation for physical DAI :- 559 * +-----------------------------------+-----+ 560 * | struct snd_soc_tplg_hdr | 1 | 561 * +-----------------------------------+-----+ 562 * | struct snd_soc_tplg_dai | N | 563 * +-----------------------------------+-----+ 564 */ 565 struct snd_soc_tplg_dai { 566 __le32 size; /* in bytes of this structure */ 567 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */ 568 __le32 dai_id; /* unique ID - used to match */ 569 __le32 playback; /* supports playback mode */ 570 __le32 capture; /* supports capture mode */ 571 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */ 572 __le32 flag_mask; /* bitmask of flags to configure */ 573 __le32 flags; /* SND_SOC_TPLG_DAI_FLGBIT_* */ 574 struct snd_soc_tplg_private priv; 575 } __attribute__((packed)); 576 #endif 577