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 21 /* 22 * Maximum number of channels topology kcontrol can represent. 23 */ 24 #define SND_SOC_TPLG_MAX_CHAN 8 25 26 /* 27 * Maximum number of PCM formats capability 28 */ 29 #define SND_SOC_TPLG_MAX_FORMATS 16 30 31 /* 32 * Maximum number of PCM stream configs 33 */ 34 #define SND_SOC_TPLG_STREAM_CONFIG_MAX 8 35 36 /* 37 * Maximum number of physical link's hardware configs 38 */ 39 #define SND_SOC_TPLG_HW_CONFIG_MAX 8 40 41 /* individual kcontrol info types - can be mixed with other types */ 42 #define SND_SOC_TPLG_CTL_VOLSW 1 43 #define SND_SOC_TPLG_CTL_VOLSW_SX 2 44 #define SND_SOC_TPLG_CTL_VOLSW_XR_SX 3 45 #define SND_SOC_TPLG_CTL_ENUM 4 46 #define SND_SOC_TPLG_CTL_BYTES 5 47 #define SND_SOC_TPLG_CTL_ENUM_VALUE 6 48 #define SND_SOC_TPLG_CTL_RANGE 7 49 #define SND_SOC_TPLG_CTL_STROBE 8 50 51 52 /* individual widget kcontrol info types - can be mixed with other types */ 53 #define SND_SOC_TPLG_DAPM_CTL_VOLSW 64 54 #define SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE 65 55 #define SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT 66 56 #define SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE 67 57 #define SND_SOC_TPLG_DAPM_CTL_PIN 68 58 59 /* DAPM widget types - add new items to the end */ 60 #define SND_SOC_TPLG_DAPM_INPUT 0 61 #define SND_SOC_TPLG_DAPM_OUTPUT 1 62 #define SND_SOC_TPLG_DAPM_MUX 2 63 #define SND_SOC_TPLG_DAPM_MIXER 3 64 #define SND_SOC_TPLG_DAPM_PGA 4 65 #define SND_SOC_TPLG_DAPM_OUT_DRV 5 66 #define SND_SOC_TPLG_DAPM_ADC 6 67 #define SND_SOC_TPLG_DAPM_DAC 7 68 #define SND_SOC_TPLG_DAPM_SWITCH 8 69 #define SND_SOC_TPLG_DAPM_PRE 9 70 #define SND_SOC_TPLG_DAPM_POST 10 71 #define SND_SOC_TPLG_DAPM_AIF_IN 11 72 #define SND_SOC_TPLG_DAPM_AIF_OUT 12 73 #define SND_SOC_TPLG_DAPM_DAI_IN 13 74 #define SND_SOC_TPLG_DAPM_DAI_OUT 14 75 #define SND_SOC_TPLG_DAPM_DAI_LINK 15 76 #define SND_SOC_TPLG_DAPM_BUFFER 16 77 #define SND_SOC_TPLG_DAPM_SCHEDULER 17 78 #define SND_SOC_TPLG_DAPM_EFFECT 18 79 #define SND_SOC_TPLG_DAPM_SIGGEN 19 80 #define SND_SOC_TPLG_DAPM_SRC 20 81 #define SND_SOC_TPLG_DAPM_ASRC 21 82 #define SND_SOC_TPLG_DAPM_ENCODER 22 83 #define SND_SOC_TPLG_DAPM_DECODER 23 84 #define SND_SOC_TPLG_DAPM_LAST SND_SOC_TPLG_DAPM_DECODER 85 86 /* Header magic number and string sizes */ 87 #define SND_SOC_TPLG_MAGIC 0x41536F43 /* ASoC */ 88 89 /* string sizes */ 90 #define SND_SOC_TPLG_NUM_TEXTS 16 91 92 /* ABI version */ 93 #define SND_SOC_TPLG_ABI_VERSION 0x5 /* current version */ 94 #define SND_SOC_TPLG_ABI_VERSION_MIN 0x4 /* oldest version supported */ 95 96 /* Max size of TLV data */ 97 #define SND_SOC_TPLG_TLV_SIZE 32 98 99 /* 100 * File and Block header data types. 101 * Add new generic and vendor types to end of list. 102 * Generic types are handled by the core whilst vendors types are passed 103 * to the component drivers for handling. 104 */ 105 #define SND_SOC_TPLG_TYPE_MIXER 1 106 #define SND_SOC_TPLG_TYPE_BYTES 2 107 #define SND_SOC_TPLG_TYPE_ENUM 3 108 #define SND_SOC_TPLG_TYPE_DAPM_GRAPH 4 109 #define SND_SOC_TPLG_TYPE_DAPM_WIDGET 5 110 #define SND_SOC_TPLG_TYPE_DAI_LINK 6 111 #define SND_SOC_TPLG_TYPE_PCM 7 112 #define SND_SOC_TPLG_TYPE_MANIFEST 8 113 #define SND_SOC_TPLG_TYPE_CODEC_LINK 9 114 #define SND_SOC_TPLG_TYPE_BACKEND_LINK 10 115 #define SND_SOC_TPLG_TYPE_PDATA 11 116 #define SND_SOC_TPLG_TYPE_DAI 12 117 #define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_DAI 118 119 /* vendor block IDs - please add new vendor types to end */ 120 #define SND_SOC_TPLG_TYPE_VENDOR_FW 1000 121 #define SND_SOC_TPLG_TYPE_VENDOR_CONFIG 1001 122 #define SND_SOC_TPLG_TYPE_VENDOR_COEFF 1002 123 #define SND_SOC_TPLG_TYPEVENDOR_CODEC 1003 124 125 #define SND_SOC_TPLG_STREAM_PLAYBACK 0 126 #define SND_SOC_TPLG_STREAM_CAPTURE 1 127 128 /* vendor tuple types */ 129 #define SND_SOC_TPLG_TUPLE_TYPE_UUID 0 130 #define SND_SOC_TPLG_TUPLE_TYPE_STRING 1 131 #define SND_SOC_TPLG_TUPLE_TYPE_BOOL 2 132 #define SND_SOC_TPLG_TUPLE_TYPE_BYTE 3 133 #define SND_SOC_TPLG_TUPLE_TYPE_WORD 4 134 #define SND_SOC_TPLG_TUPLE_TYPE_SHORT 5 135 136 /* DAI flags */ 137 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES (1 << 0) 138 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS (1 << 1) 139 #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2) 140 141 /* DAI clock gating */ 142 #define SND_SOC_TPLG_DAI_CLK_GATE_UNDEFINED 0 143 #define SND_SOC_TPLG_DAI_CLK_GATE_GATED 1 144 #define SND_SOC_TPLG_DAI_CLK_GATE_CONT 2 145 146 /* DAI mclk_direction */ 147 #define SND_SOC_TPLG_MCLK_CO 0 /* for codec, mclk is output */ 148 #define SND_SOC_TPLG_MCLK_CI 1 /* for codec, mclk is input */ 149 150 /* DAI physical PCM data formats. 151 * Add new formats to the end of the list. 152 */ 153 #define SND_SOC_DAI_FORMAT_I2S 1 /* I2S mode */ 154 #define SND_SOC_DAI_FORMAT_RIGHT_J 2 /* Right Justified mode */ 155 #define SND_SOC_DAI_FORMAT_LEFT_J 3 /* Left Justified mode */ 156 #define SND_SOC_DAI_FORMAT_DSP_A 4 /* L data MSB after FRM LRC */ 157 #define SND_SOC_DAI_FORMAT_DSP_B 5 /* L data MSB during FRM LRC */ 158 #define SND_SOC_DAI_FORMAT_AC97 6 /* AC97 */ 159 #define SND_SOC_DAI_FORMAT_PDM 7 /* Pulse density modulation */ 160 161 /* left and right justified also known as MSB and LSB respectively */ 162 #define SND_SOC_DAI_FORMAT_MSB SND_SOC_DAI_FORMAT_LEFT_J 163 #define SND_SOC_DAI_FORMAT_LSB SND_SOC_DAI_FORMAT_RIGHT_J 164 165 /* DAI link flags */ 166 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES (1 << 0) 167 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS (1 << 1) 168 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2) 169 #define SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP (1 << 3) 170 171 /* DAI topology BCLK parameter 172 * For the backwards capability, by default codec is bclk master 173 */ 174 #define SND_SOC_TPLG_BCLK_CM 0 /* codec is bclk master */ 175 #define SND_SOC_TPLG_BCLK_CS 1 /* codec is bclk slave */ 176 177 /* DAI topology FSYNC parameter 178 * For the backwards capability, by default codec is fsync master 179 */ 180 #define SND_SOC_TPLG_FSYNC_CM 0 /* codec is fsync master */ 181 #define SND_SOC_TPLG_FSYNC_CS 1 /* codec is fsync slave */ 182 183 /* 184 * Block Header. 185 * This header precedes all object and object arrays below. 186 */ 187 struct snd_soc_tplg_hdr { 188 __le32 magic; /* magic number */ 189 __le32 abi; /* ABI version */ 190 __le32 version; /* optional vendor specific version details */ 191 __le32 type; /* SND_SOC_TPLG_TYPE_ */ 192 __le32 size; /* size of this structure */ 193 __le32 vendor_type; /* optional vendor specific type info */ 194 __le32 payload_size; /* data bytes, excluding this header */ 195 __le32 index; /* identifier for block */ 196 __le32 count; /* number of elements in block */ 197 } __attribute__((packed)); 198 199 /* vendor tuple for uuid */ 200 struct snd_soc_tplg_vendor_uuid_elem { 201 __le32 token; 202 char uuid[16]; 203 } __attribute__((packed)); 204 205 /* vendor tuple for a bool/byte/short/word value */ 206 struct snd_soc_tplg_vendor_value_elem { 207 __le32 token; 208 __le32 value; 209 } __attribute__((packed)); 210 211 /* vendor tuple for string */ 212 struct snd_soc_tplg_vendor_string_elem { 213 __le32 token; 214 char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 215 } __attribute__((packed)); 216 217 struct snd_soc_tplg_vendor_array { 218 __le32 size; /* size in bytes of the array, including all elements */ 219 __le32 type; /* SND_SOC_TPLG_TUPLE_TYPE_ */ 220 __le32 num_elems; /* number of elements in array */ 221 union { 222 struct snd_soc_tplg_vendor_uuid_elem uuid[0]; 223 struct snd_soc_tplg_vendor_value_elem value[0]; 224 struct snd_soc_tplg_vendor_string_elem string[0]; 225 }; 226 } __attribute__((packed)); 227 228 /* 229 * Private data. 230 * All topology objects may have private data that can be used by the driver or 231 * firmware. Core will ignore this data. 232 */ 233 struct snd_soc_tplg_private { 234 __le32 size; /* in bytes of private data */ 235 union { 236 char data[0]; 237 struct snd_soc_tplg_vendor_array array[0]; 238 }; 239 } __attribute__((packed)); 240 241 /* 242 * Kcontrol TLV data. 243 */ 244 struct snd_soc_tplg_tlv_dbscale { 245 __le32 min; 246 __le32 step; 247 __le32 mute; 248 } __attribute__((packed)); 249 250 struct snd_soc_tplg_ctl_tlv { 251 __le32 size; /* in bytes of this structure */ 252 __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */ 253 union { 254 __le32 data[SND_SOC_TPLG_TLV_SIZE]; 255 struct snd_soc_tplg_tlv_dbscale scale; 256 }; 257 } __attribute__((packed)); 258 259 /* 260 * Kcontrol channel data 261 */ 262 struct snd_soc_tplg_channel { 263 __le32 size; /* in bytes of this structure */ 264 __le32 reg; 265 __le32 shift; 266 __le32 id; /* ID maps to Left, Right, LFE etc */ 267 } __attribute__((packed)); 268 269 /* 270 * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops 271 * Kcontrol ops need get/put/info. 272 * Bytes ext ops need get/put. 273 */ 274 struct snd_soc_tplg_io_ops { 275 __le32 get; 276 __le32 put; 277 __le32 info; 278 } __attribute__((packed)); 279 280 /* 281 * kcontrol header 282 */ 283 struct snd_soc_tplg_ctl_hdr { 284 __le32 size; /* in bytes of this structure */ 285 __le32 type; 286 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 287 __le32 access; 288 struct snd_soc_tplg_io_ops ops; 289 struct snd_soc_tplg_ctl_tlv tlv; 290 } __attribute__((packed)); 291 292 /* 293 * Stream Capabilities 294 */ 295 struct snd_soc_tplg_stream_caps { 296 __le32 size; /* in bytes of this structure */ 297 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 298 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */ 299 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */ 300 __le32 rate_min; /* min rate */ 301 __le32 rate_max; /* max rate */ 302 __le32 channels_min; /* min channels */ 303 __le32 channels_max; /* max channels */ 304 __le32 periods_min; /* min number of periods */ 305 __le32 periods_max; /* max number of periods */ 306 __le32 period_size_min; /* min period size bytes */ 307 __le32 period_size_max; /* max period size bytes */ 308 __le32 buffer_size_min; /* min buffer size bytes */ 309 __le32 buffer_size_max; /* max buffer size bytes */ 310 __le32 sig_bits; /* number of bits of content */ 311 } __attribute__((packed)); 312 313 /* 314 * FE or BE Stream configuration supported by SW/FW 315 */ 316 struct snd_soc_tplg_stream { 317 __le32 size; /* in bytes of this structure */ 318 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */ 319 __le64 format; /* SNDRV_PCM_FMTBIT_* */ 320 __le32 rate; /* SNDRV_PCM_RATE_* */ 321 __le32 period_bytes; /* size of period in bytes */ 322 __le32 buffer_bytes; /* size of buffer in bytes */ 323 __le32 channels; /* channels */ 324 } __attribute__((packed)); 325 326 327 /* 328 * Describes a physical link's runtime supported hardware config, 329 * i.e. hardware audio formats. 330 */ 331 struct snd_soc_tplg_hw_config { 332 __le32 size; /* in bytes of this structure */ 333 __le32 id; /* unique ID - - used to match */ 334 __le32 fmt; /* SND_SOC_DAI_FORMAT_ format value */ 335 __u8 clock_gated; /* SND_SOC_TPLG_DAI_CLK_GATE_ value */ 336 __u8 invert_bclk; /* 1 for inverted BCLK, 0 for normal */ 337 __u8 invert_fsync; /* 1 for inverted frame clock, 0 for normal */ 338 __u8 bclk_master; /* SND_SOC_TPLG_BCLK_ value */ 339 __u8 fsync_master; /* SND_SOC_TPLG_FSYNC_ value */ 340 __u8 mclk_direction; /* SND_SOC_TPLG_MCLK_ value */ 341 __le16 reserved; /* for 32bit alignment */ 342 __le32 mclk_rate; /* MCLK or SYSCLK freqency in Hz */ 343 __le32 bclk_rate; /* BCLK freqency in Hz */ 344 __le32 fsync_rate; /* frame clock in Hz */ 345 __le32 tdm_slots; /* number of TDM slots in use */ 346 __le32 tdm_slot_width; /* width in bits for each slot */ 347 __le32 tx_slots; /* bit mask for active Tx slots */ 348 __le32 rx_slots; /* bit mask for active Rx slots */ 349 __le32 tx_channels; /* number of Tx channels */ 350 __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */ 351 __le32 rx_channels; /* number of Rx channels */ 352 __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */ 353 } __attribute__((packed)); 354 355 /* 356 * Manifest. List totals for each payload type. Not used in parsing, but will 357 * be passed to the component driver before any other objects in order for any 358 * global component resource allocations. 359 * 360 * File block representation for manifest :- 361 * +-----------------------------------+----+ 362 * | struct snd_soc_tplg_hdr | 1 | 363 * +-----------------------------------+----+ 364 * | struct snd_soc_tplg_manifest | 1 | 365 * +-----------------------------------+----+ 366 */ 367 struct snd_soc_tplg_manifest { 368 __le32 size; /* in bytes of this structure */ 369 __le32 control_elems; /* number of control elements */ 370 __le32 widget_elems; /* number of widget elements */ 371 __le32 graph_elems; /* number of graph elements */ 372 __le32 pcm_elems; /* number of PCM elements */ 373 __le32 dai_link_elems; /* number of DAI link elements */ 374 __le32 dai_elems; /* number of physical DAI elements */ 375 __le32 reserved[20]; /* reserved for new ABI element types */ 376 struct snd_soc_tplg_private priv; 377 } __attribute__((packed)); 378 379 /* 380 * Mixer kcontrol. 381 * 382 * File block representation for mixer kcontrol :- 383 * +-----------------------------------+----+ 384 * | struct snd_soc_tplg_hdr | 1 | 385 * +-----------------------------------+----+ 386 * | struct snd_soc_tplg_mixer_control | N | 387 * +-----------------------------------+----+ 388 */ 389 struct snd_soc_tplg_mixer_control { 390 struct snd_soc_tplg_ctl_hdr hdr; 391 __le32 size; /* in bytes of this structure */ 392 __le32 min; 393 __le32 max; 394 __le32 platform_max; 395 __le32 invert; 396 __le32 num_channels; 397 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN]; 398 struct snd_soc_tplg_private priv; 399 } __attribute__((packed)); 400 401 /* 402 * Enumerated kcontrol 403 * 404 * File block representation for enum kcontrol :- 405 * +-----------------------------------+----+ 406 * | struct snd_soc_tplg_hdr | 1 | 407 * +-----------------------------------+----+ 408 * | struct snd_soc_tplg_enum_control | N | 409 * +-----------------------------------+----+ 410 */ 411 struct snd_soc_tplg_enum_control { 412 struct snd_soc_tplg_ctl_hdr hdr; 413 __le32 size; /* in bytes of this structure */ 414 __le32 num_channels; 415 struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN]; 416 __le32 items; 417 __le32 mask; 418 __le32 count; 419 char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 420 __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4]; 421 struct snd_soc_tplg_private priv; 422 } __attribute__((packed)); 423 424 /* 425 * Bytes kcontrol 426 * 427 * File block representation for bytes kcontrol :- 428 * +-----------------------------------+----+ 429 * | struct snd_soc_tplg_hdr | 1 | 430 * +-----------------------------------+----+ 431 * | struct snd_soc_tplg_bytes_control | N | 432 * +-----------------------------------+----+ 433 */ 434 struct snd_soc_tplg_bytes_control { 435 struct snd_soc_tplg_ctl_hdr hdr; 436 __le32 size; /* in bytes of this structure */ 437 __le32 max; 438 __le32 mask; 439 __le32 base; 440 __le32 num_regs; 441 struct snd_soc_tplg_io_ops ext_ops; 442 struct snd_soc_tplg_private priv; 443 } __attribute__((packed)); 444 445 /* 446 * DAPM Graph Element 447 * 448 * File block representation for DAPM graph elements :- 449 * +-------------------------------------+----+ 450 * | struct snd_soc_tplg_hdr | 1 | 451 * +-------------------------------------+----+ 452 * | struct snd_soc_tplg_dapm_graph_elem | N | 453 * +-------------------------------------+----+ 454 */ 455 struct snd_soc_tplg_dapm_graph_elem { 456 char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 457 char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 458 char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 459 } __attribute__((packed)); 460 461 /* 462 * DAPM Widget. 463 * 464 * File block representation for DAPM widget :- 465 * +-------------------------------------+-----+ 466 * | struct snd_soc_tplg_hdr | 1 | 467 * +-------------------------------------+-----+ 468 * | struct snd_soc_tplg_dapm_widget | N | 469 * +-------------------------------------+-----+ 470 * | struct snd_soc_tplg_enum_control | 0|1 | 471 * | struct snd_soc_tplg_mixer_control | 0|N | 472 * +-------------------------------------+-----+ 473 * 474 * Optional enum or mixer control can be appended to the end of each widget 475 * in the block. 476 */ 477 struct snd_soc_tplg_dapm_widget { 478 __le32 size; /* in bytes of this structure */ 479 __le32 id; /* SND_SOC_DAPM_CTL */ 480 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 481 char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 482 483 __le32 reg; /* negative reg = no direct dapm */ 484 __le32 shift; /* bits to shift */ 485 __le32 mask; /* non-shifted mask */ 486 __le32 subseq; /* sort within widget type */ 487 __le32 invert; /* invert the power bit */ 488 __le32 ignore_suspend; /* kept enabled over suspend */ 489 __le16 event_flags; 490 __le16 event_type; 491 __le32 num_kcontrols; 492 struct snd_soc_tplg_private priv; 493 /* 494 * kcontrols that relate to this widget 495 * follow here after widget private data 496 */ 497 } __attribute__((packed)); 498 499 500 /* 501 * Describes SW/FW specific features of PCM (FE DAI & DAI link). 502 * 503 * File block representation for PCM :- 504 * +-----------------------------------+-----+ 505 * | struct snd_soc_tplg_hdr | 1 | 506 * +-----------------------------------+-----+ 507 * | struct snd_soc_tplg_pcm | N | 508 * +-----------------------------------+-----+ 509 */ 510 struct snd_soc_tplg_pcm { 511 __le32 size; /* in bytes of this structure */ 512 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 513 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 514 __le32 pcm_id; /* unique ID - used to match with DAI link */ 515 __le32 dai_id; /* unique ID - used to match */ 516 __le32 playback; /* supports playback mode */ 517 __le32 capture; /* supports capture mode */ 518 __le32 compress; /* 1 = compressed; 0 = PCM */ 519 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */ 520 __le32 num_streams; /* number of streams */ 521 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */ 522 __le32 flag_mask; /* bitmask of flags to configure */ 523 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */ 524 struct snd_soc_tplg_private priv; 525 } __attribute__((packed)); 526 527 528 /* 529 * Describes the physical link runtime supported configs or params 530 * 531 * File block representation for physical link config :- 532 * +-----------------------------------+-----+ 533 * | struct snd_soc_tplg_hdr | 1 | 534 * +-----------------------------------+-----+ 535 * | struct snd_soc_tplg_link_config | N | 536 * +-----------------------------------+-----+ 537 */ 538 struct snd_soc_tplg_link_config { 539 __le32 size; /* in bytes of this structure */ 540 __le32 id; /* unique ID - used to match */ 541 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */ 542 char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */ 543 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */ 544 __le32 num_streams; /* number of streams */ 545 struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */ 546 __le32 num_hw_configs; /* number of hw configs */ 547 __le32 default_hw_config_id; /* default hw config ID for init */ 548 __le32 flag_mask; /* bitmask of flags to configure */ 549 __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */ 550 struct snd_soc_tplg_private priv; 551 } __attribute__((packed)); 552 553 /* 554 * Describes SW/FW specific features of physical DAI. 555 * It can be used to configure backend DAIs for DPCM. 556 * 557 * File block representation for physical DAI :- 558 * +-----------------------------------+-----+ 559 * | struct snd_soc_tplg_hdr | 1 | 560 * +-----------------------------------+-----+ 561 * | struct snd_soc_tplg_dai | N | 562 * +-----------------------------------+-----+ 563 */ 564 struct snd_soc_tplg_dai { 565 __le32 size; /* in bytes of this structure */ 566 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */ 567 __le32 dai_id; /* unique ID - used to match */ 568 __le32 playback; /* supports playback mode */ 569 __le32 capture; /* supports capture mode */ 570 struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */ 571 __le32 flag_mask; /* bitmask of flags to configure */ 572 __le32 flags; /* SND_SOC_TPLG_DAI_FLGBIT_* */ 573 struct snd_soc_tplg_private priv; 574 } __attribute__((packed)); 575 576 /* 577 * Old version of ABI structs, supported for backward compatibility. 578 */ 579 580 /* Manifest v4 */ 581 struct snd_soc_tplg_manifest_v4 { 582 __le32 size; /* in bytes of this structure */ 583 __le32 control_elems; /* number of control elements */ 584 __le32 widget_elems; /* number of widget elements */ 585 __le32 graph_elems; /* number of graph elements */ 586 __le32 pcm_elems; /* number of PCM elements */ 587 __le32 dai_link_elems; /* number of DAI link elements */ 588 struct snd_soc_tplg_private priv; 589 } __packed; 590 591 /* Stream Capabilities v4 */ 592 struct snd_soc_tplg_stream_caps_v4 { 593 __le32 size; /* in bytes of this structure */ 594 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 595 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */ 596 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */ 597 __le32 rate_min; /* min rate */ 598 __le32 rate_max; /* max rate */ 599 __le32 channels_min; /* min channels */ 600 __le32 channels_max; /* max channels */ 601 __le32 periods_min; /* min number of periods */ 602 __le32 periods_max; /* max number of periods */ 603 __le32 period_size_min; /* min period size bytes */ 604 __le32 period_size_max; /* max period size bytes */ 605 __le32 buffer_size_min; /* min buffer size bytes */ 606 __le32 buffer_size_max; /* max buffer size bytes */ 607 } __packed; 608 609 /* PCM v4 */ 610 struct snd_soc_tplg_pcm_v4 { 611 __le32 size; /* in bytes of this structure */ 612 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 613 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 614 __le32 pcm_id; /* unique ID - used to match with DAI link */ 615 __le32 dai_id; /* unique ID - used to match */ 616 __le32 playback; /* supports playback mode */ 617 __le32 capture; /* supports capture mode */ 618 __le32 compress; /* 1 = compressed; 0 = PCM */ 619 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */ 620 __le32 num_streams; /* number of streams */ 621 struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */ 622 } __packed; 623 624 /* Physical link config v4 */ 625 struct snd_soc_tplg_link_config_v4 { 626 __le32 size; /* in bytes of this structure */ 627 __le32 id; /* unique ID - used to match */ 628 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */ 629 __le32 num_streams; /* number of streams */ 630 } __packed; 631 632 #endif 633