include/uapi/sound/asoc.h

   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 provider
 174  */
 175 #define SND_SOC_TPLG_BCLK_CP         0 /* codec is bclk provider */
 176 #define SND_SOC_TPLG_BCLK_CC         1 /* codec is bclk consumer */
 177 /* keep previous definitions for compatibility */
 178 #define SND_SOC_TPLG_BCLK_CM         SND_SOC_TPLG_BCLK_CP
 179 #define SND_SOC_TPLG_BCLK_CS         SND_SOC_TPLG_BCLK_CC
 180
 181 /* DAI topology FSYNC parameter
 182  * For the backwards capability, by default codec is fsync provider
 183  */
 184 #define SND_SOC_TPLG_FSYNC_CP         0 /* codec is fsync provider */
 185 #define SND_SOC_TPLG_FSYNC_CC         1 /* codec is fsync consumer */
 186 /* keep previous definitions for compatibility */
 187 #define SND_SOC_TPLG_FSYNC_CM         SND_SOC_TPLG_FSYNC_CP
 188 #define SND_SOC_TPLG_FSYNC_CS         SND_SOC_TPLG_FSYNC_CC
 189
 190 /*
 191  * Block Header.
 192  * This header precedes all object and object arrays below.
 193  */
 194 struct snd_soc_tplg_hdr {
 195         __le32 magic;           /* magic number */
 196         __le32 abi;             /* ABI version */
 197         __le32 version;         /* optional vendor specific version details */
 198         __le32 type;            /* SND_SOC_TPLG_TYPE_ */
 199         __le32 size;            /* size of this structure */
 200         __le32 vendor_type;     /* optional vendor specific type info */
 201         __le32 payload_size;    /* data bytes, excluding this header */
 202         __le32 index;           /* identifier for block */
 203         __le32 count;           /* number of elements in block */
 204 } __attribute__((packed));
 205
 206 /* vendor tuple for uuid */
 207 struct snd_soc_tplg_vendor_uuid_elem {
 208         __le32 token;
 209         char uuid[16];
 210 } __attribute__((packed));
 211
 212 /* vendor tuple for a bool/byte/short/word value */
 213 struct snd_soc_tplg_vendor_value_elem {
 214         __le32 token;
 215         __le32 value;
 216 } __attribute__((packed));
 217
 218 /* vendor tuple for string */
 219 struct snd_soc_tplg_vendor_string_elem {
 220         __le32 token;
 221         char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 222 } __attribute__((packed));
 223
 224 struct snd_soc_tplg_vendor_array {
 225         __le32 size;    /* size in bytes of the array, including all elements */
 226         __le32 type;    /* SND_SOC_TPLG_TUPLE_TYPE_ */
 227         __le32 num_elems;       /* number of elements in array */
 228         union {
 229                 struct snd_soc_tplg_vendor_uuid_elem uuid[0];
 230                 struct snd_soc_tplg_vendor_value_elem value[0];
 231                 struct snd_soc_tplg_vendor_string_elem string[0];
 232         };
 233 } __attribute__((packed));
 234
 235 /*
 236  * Private data.
 237  * All topology objects may have private data that can be used by the driver or
 238  * firmware. Core will ignore this data.
 239  */
 240 struct snd_soc_tplg_private {
 241         __le32 size;    /* in bytes of private data */
 242         union {
 243                 char data[0];
 244                 struct snd_soc_tplg_vendor_array array[0];
 245         };
 246 } __attribute__((packed));
 247
 248 /*
 249  * Kcontrol TLV data.
 250  */
 251 struct snd_soc_tplg_tlv_dbscale {
 252         __le32 min;
 253         __le32 step;
 254         __le32 mute;
 255 } __attribute__((packed));
 256
 257 struct snd_soc_tplg_ctl_tlv {
 258         __le32 size;    /* in bytes of this structure */
 259         __le32 type;    /* SNDRV_CTL_TLVT_*, type of TLV */
 260         union {
 261                 __le32 data[SND_SOC_TPLG_TLV_SIZE];
 262                 struct snd_soc_tplg_tlv_dbscale scale;
 263         };
 264 } __attribute__((packed));
 265
 266 /*
 267  * Kcontrol channel data
 268  */
 269 struct snd_soc_tplg_channel {
 270         __le32 size;    /* in bytes of this structure */
 271         __le32 reg;
 272         __le32 shift;
 273         __le32 id;      /* ID maps to Left, Right, LFE etc */
 274 } __attribute__((packed));
 275
 276 /*
 277  * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops
 278  * Kcontrol ops need get/put/info.
 279  * Bytes ext ops need get/put.
 280  */
 281 struct snd_soc_tplg_io_ops {
 282         __le32 get;
 283         __le32 put;
 284         __le32 info;
 285 } __attribute__((packed));
 286
 287 /*
 288  * kcontrol header
 289  */
 290 struct snd_soc_tplg_ctl_hdr {
 291         __le32 size;    /* in bytes of this structure */
 292         __le32 type;
 293         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 294         __le32 access;
 295         struct snd_soc_tplg_io_ops ops;
 296         struct snd_soc_tplg_ctl_tlv tlv;
 297 } __attribute__((packed));
 298
 299 /*
 300  * Stream Capabilities
 301  */
 302 struct snd_soc_tplg_stream_caps {
 303         __le32 size;            /* in bytes of this structure */
 304         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 305         __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
 306         __le32 rates;           /* supported rates SNDRV_PCM_RATE_* */
 307         __le32 rate_min;        /* min rate */
 308         __le32 rate_max;        /* max rate */
 309         __le32 channels_min;    /* min channels */
 310         __le32 channels_max;    /* max channels */
 311         __le32 periods_min;     /* min number of periods */
 312         __le32 periods_max;     /* max number of periods */
 313         __le32 period_size_min; /* min period size bytes */
 314         __le32 period_size_max; /* max period size bytes */
 315         __le32 buffer_size_min; /* min buffer size bytes */
 316         __le32 buffer_size_max; /* max buffer size bytes */
 317         __le32 sig_bits;        /* number of bits of content */
 318 } __attribute__((packed));
 319
 320 /*
 321  * FE or BE Stream configuration supported by SW/FW
 322  */
 323 struct snd_soc_tplg_stream {
 324         __le32 size;            /* in bytes of this structure */
 325         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */
 326         __le64 format;          /* SNDRV_PCM_FMTBIT_* */
 327         __le32 rate;            /* SNDRV_PCM_RATE_* */
 328         __le32 period_bytes;    /* size of period in bytes */
 329         __le32 buffer_bytes;    /* size of buffer in bytes */
 330         __le32 channels;        /* channels */
 331 } __attribute__((packed));
 332
 333
 334 /*
 335  * Describes a physical link's runtime supported hardware config,
 336  * i.e. hardware audio formats.
 337  */
 338 struct snd_soc_tplg_hw_config {
 339         __le32 size;            /* in bytes of this structure */
 340         __le32 id;              /* unique ID - - used to match */
 341         __le32 fmt;             /* SND_SOC_DAI_FORMAT_ format value */
 342         __u8 clock_gated;       /* SND_SOC_TPLG_DAI_CLK_GATE_ value */
 343         __u8 invert_bclk;       /* 1 for inverted BCLK, 0 for normal */
 344         __u8 invert_fsync;      /* 1 for inverted frame clock, 0 for normal */
 345         __u8 bclk_provider;     /* SND_SOC_TPLG_BCLK_ value */
 346         __u8 fsync_provider;    /* SND_SOC_TPLG_FSYNC_ value */
 347         __u8 mclk_direction;    /* SND_SOC_TPLG_MCLK_ value */
 348         __le16 reserved;        /* for 32bit alignment */
 349         __le32 mclk_rate;       /* MCLK or SYSCLK freqency in Hz */
 350         __le32 bclk_rate;       /* BCLK freqency in Hz */
 351         __le32 fsync_rate;      /* frame clock in Hz */
 352         __le32 tdm_slots;       /* number of TDM slots in use */
 353         __le32 tdm_slot_width;  /* width in bits for each slot */
 354         __le32 tx_slots;        /* bit mask for active Tx slots */
 355         __le32 rx_slots;        /* bit mask for active Rx slots */
 356         __le32 tx_channels;     /* number of Tx channels */
 357         __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
 358         __le32 rx_channels;     /* number of Rx channels */
 359         __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
 360 } __attribute__((packed));
 361
 362 /*
 363  * Manifest. List totals for each payload type. Not used in parsing, but will
 364  * be passed to the component driver before any other objects in order for any
 365  * global component resource allocations.
 366  *
 367  * File block representation for manifest :-
 368  * +-----------------------------------+----+
 369  * | struct snd_soc_tplg_hdr           |  1 |
 370  * +-----------------------------------+----+
 371  * | struct snd_soc_tplg_manifest      |  1 |
 372  * +-----------------------------------+----+
 373  */
 374 struct snd_soc_tplg_manifest {
 375         __le32 size;            /* in bytes of this structure */
 376         __le32 control_elems;   /* number of control elements */
 377         __le32 widget_elems;    /* number of widget elements */
 378         __le32 graph_elems;     /* number of graph elements */
 379         __le32 pcm_elems;       /* number of PCM elements */
 380         __le32 dai_link_elems;  /* number of DAI link elements */
 381         __le32 dai_elems;       /* number of physical DAI elements */
 382         __le32 reserved[20];    /* reserved for new ABI element types */
 383         struct snd_soc_tplg_private priv;
 384 } __attribute__((packed));
 385
 386 /*
 387  * Mixer kcontrol.
 388  *
 389  * File block representation for mixer kcontrol :-
 390  * +-----------------------------------+----+
 391  * | struct snd_soc_tplg_hdr           |  1 |
 392  * +-----------------------------------+----+
 393  * | struct snd_soc_tplg_mixer_control |  N |
 394  * +-----------------------------------+----+
 395  */
 396 struct snd_soc_tplg_mixer_control {
 397         struct snd_soc_tplg_ctl_hdr hdr;
 398         __le32 size;    /* in bytes of this structure */
 399         __le32 min;
 400         __le32 max;
 401         __le32 platform_max;
 402         __le32 invert;
 403         __le32 num_channels;
 404         struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
 405         struct snd_soc_tplg_private priv;
 406 } __attribute__((packed));
 407
 408 /*
 409  * Enumerated kcontrol
 410  *
 411  * File block representation for enum kcontrol :-
 412  * +-----------------------------------+----+
 413  * | struct snd_soc_tplg_hdr           |  1 |
 414  * +-----------------------------------+----+
 415  * | struct snd_soc_tplg_enum_control  |  N |
 416  * +-----------------------------------+----+
 417  */
 418 struct snd_soc_tplg_enum_control {
 419         struct snd_soc_tplg_ctl_hdr hdr;
 420         __le32 size;    /* in bytes of this structure */
 421         __le32 num_channels;
 422         struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
 423         __le32 items;
 424         __le32 mask;
 425         __le32 count;
 426         char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 427         __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4];
 428         struct snd_soc_tplg_private priv;
 429 } __attribute__((packed));
 430
 431 /*
 432  * Bytes kcontrol
 433  *
 434  * File block representation for bytes kcontrol :-
 435  * +-----------------------------------+----+
 436  * | struct snd_soc_tplg_hdr           |  1 |
 437  * +-----------------------------------+----+
 438  * | struct snd_soc_tplg_bytes_control |  N |
 439  * +-----------------------------------+----+
 440  */
 441 struct snd_soc_tplg_bytes_control {
 442         struct snd_soc_tplg_ctl_hdr hdr;
 443         __le32 size;    /* in bytes of this structure */
 444         __le32 max;
 445         __le32 mask;
 446         __le32 base;
 447         __le32 num_regs;
 448         struct snd_soc_tplg_io_ops ext_ops;
 449         struct snd_soc_tplg_private priv;
 450 } __attribute__((packed));
 451
 452 /*
 453  * DAPM Graph Element
 454  *
 455  * File block representation for DAPM graph elements :-
 456  * +-------------------------------------+----+
 457  * | struct snd_soc_tplg_hdr             |  1 |
 458  * +-------------------------------------+----+
 459  * | struct snd_soc_tplg_dapm_graph_elem |  N |
 460  * +-------------------------------------+----+
 461  */
 462 struct snd_soc_tplg_dapm_graph_elem {
 463         char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 464         char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 465         char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 466 } __attribute__((packed));
 467
 468 /*
 469  * DAPM Widget.
 470  *
 471  * File block representation for DAPM widget :-
 472  * +-------------------------------------+-----+
 473  * | struct snd_soc_tplg_hdr             |  1  |
 474  * +-------------------------------------+-----+
 475  * | struct snd_soc_tplg_dapm_widget     |  N  |
 476  * +-------------------------------------+-----+
 477  * |   struct snd_soc_tplg_enum_control  | 0|1 |
 478  * |   struct snd_soc_tplg_mixer_control | 0|N |
 479  * +-------------------------------------+-----+
 480  *
 481  * Optional enum or mixer control can be appended to the end of each widget
 482  * in the block.
 483  */
 484 struct snd_soc_tplg_dapm_widget {
 485         __le32 size;            /* in bytes of this structure */
 486         __le32 id;              /* SND_SOC_DAPM_CTL */
 487         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 488         char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 489
 490         __le32 reg;             /* negative reg = no direct dapm */
 491         __le32 shift;           /* bits to shift */
 492         __le32 mask;            /* non-shifted mask */
 493         __le32 subseq;          /* sort within widget type */
 494         __le32 invert;          /* invert the power bit */
 495         __le32 ignore_suspend;  /* kept enabled over suspend */
 496         __le16 event_flags;
 497         __le16 event_type;
 498         __le32 num_kcontrols;
 499         struct snd_soc_tplg_private priv;
 500         /*
 501          * kcontrols that relate to this widget
 502          * follow here after widget private data
 503          */
 504 } __attribute__((packed));
 505
 506
 507 /*
 508  * Describes SW/FW specific features of PCM (FE DAI & DAI link).
 509  *
 510  * File block representation for PCM :-
 511  * +-----------------------------------+-----+
 512  * | struct snd_soc_tplg_hdr           |  1  |
 513  * +-----------------------------------+-----+
 514  * | struct snd_soc_tplg_pcm           |  N  |
 515  * +-----------------------------------+-----+
 516  */
 517 struct snd_soc_tplg_pcm {
 518         __le32 size;            /* in bytes of this structure */
 519         char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 520         char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 521         __le32 pcm_id;          /* unique ID - used to match with DAI link */
 522         __le32 dai_id;          /* unique ID - used to match */
 523         __le32 playback;        /* supports playback mode */
 524         __le32 capture;         /* supports capture mode */
 525         __le32 compress;        /* 1 = compressed; 0 = PCM */
 526         struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
 527         __le32 num_streams;     /* number of streams */
 528         struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
 529         __le32 flag_mask;       /* bitmask of flags to configure */
 530         __le32 flags;           /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
 531         struct snd_soc_tplg_private priv;
 532 } __attribute__((packed));
 533
 534
 535 /*
 536  * Describes the physical link runtime supported configs or params
 537  *
 538  * File block representation for physical link config :-
 539  * +-----------------------------------+-----+
 540  * | struct snd_soc_tplg_hdr           |  1  |
 541  * +-----------------------------------+-----+
 542  * | struct snd_soc_tplg_link_config   |  N  |
 543  * +-----------------------------------+-----+
 544  */
 545 struct snd_soc_tplg_link_config {
 546         __le32 size;            /* in bytes of this structure */
 547         __le32 id;              /* unique ID - used to match */
 548         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
 549         char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */
 550         struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
 551         __le32 num_streams;     /* number of streams */
 552         struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */
 553         __le32 num_hw_configs;         /* number of hw configs */
 554         __le32 default_hw_config_id;   /* default hw config ID for init */
 555         __le32 flag_mask;       /* bitmask of flags to configure */
 556         __le32 flags;           /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
 557         struct snd_soc_tplg_private priv;
 558 } __attribute__((packed));
 559
 560 /*
 561  * Describes SW/FW specific features of physical DAI.
 562  * It can be used to configure backend DAIs for DPCM.
 563  *
 564  * File block representation for physical DAI :-
 565  * +-----------------------------------+-----+
 566  * | struct snd_soc_tplg_hdr           |  1  |
 567  * +-----------------------------------+-----+
 568  * | struct snd_soc_tplg_dai           |  N  |
 569  * +-----------------------------------+-----+
 570  */
 571 struct snd_soc_tplg_dai {
 572         __le32 size;            /* in bytes of this structure */
 573         char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
 574         __le32 dai_id;          /* unique ID - used to match */
 575         __le32 playback;        /* supports playback mode */
 576         __le32 capture;         /* supports capture mode */
 577         struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
 578         __le32 flag_mask;       /* bitmask of flags to configure */
 579         __le32 flags;           /* SND_SOC_TPLG_DAI_FLGBIT_* */
 580         struct snd_soc_tplg_private priv;
 581 } __attribute__((packed));
 582
 583 /*
 584  * Old version of ABI structs, supported for backward compatibility.
 585  */
 586
 587 /* Manifest v4 */
 588 struct snd_soc_tplg_manifest_v4 {
 589         __le32 size;            /* in bytes of this structure */
 590         __le32 control_elems;   /* number of control elements */
 591         __le32 widget_elems;    /* number of widget elements */
 592         __le32 graph_elems;     /* number of graph elements */
 593         __le32 pcm_elems;       /* number of PCM elements */
 594         __le32 dai_link_elems;  /* number of DAI link elements */
 595         struct snd_soc_tplg_private priv;
 596 } __packed;
 597
 598 /* Stream Capabilities v4 */
 599 struct snd_soc_tplg_stream_caps_v4 {
 600         __le32 size;            /* in bytes of this structure */
 601         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 602         __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
 603         __le32 rates;           /* supported rates SNDRV_PCM_RATE_* */
 604         __le32 rate_min;        /* min rate */
 605         __le32 rate_max;        /* max rate */
 606         __le32 channels_min;    /* min channels */
 607         __le32 channels_max;    /* max channels */
 608         __le32 periods_min;     /* min number of periods */
 609         __le32 periods_max;     /* max number of periods */
 610         __le32 period_size_min; /* min period size bytes */
 611         __le32 period_size_max; /* max period size bytes */
 612         __le32 buffer_size_min; /* min buffer size bytes */
 613         __le32 buffer_size_max; /* max buffer size bytes */
 614 } __packed;
 615
 616 /* PCM v4 */
 617 struct snd_soc_tplg_pcm_v4 {
 618         __le32 size;            /* in bytes of this structure */
 619         char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 620         char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 621         __le32 pcm_id;          /* unique ID - used to match with DAI link */
 622         __le32 dai_id;          /* unique ID - used to match */
 623         __le32 playback;        /* supports playback mode */
 624         __le32 capture;         /* supports capture mode */
 625         __le32 compress;        /* 1 = compressed; 0 = PCM */
 626         struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
 627         __le32 num_streams;     /* number of streams */
 628         struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
 629 } __packed;
 630
 631 /* Physical link config v4 */
 632 struct snd_soc_tplg_link_config_v4 {
 633         __le32 size;            /* in bytes of this structure */
 634         __le32 id;              /* unique ID - used to match */
 635         struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
 636         __le32 num_streams;     /* number of streams */
 637 } __packed;
 638
 639 #endif