include/uapi/sound/asoc.h

   1 /*
   2  * uapi/sound/asoc.h -- ALSA SoC Firmware Controls and DAPM
   3  *
   4  * Copyright (C) 2012 Texas Instruments Inc.
   5  * Copyright (C) 2015 Intel Corporation.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * Simple file API to load FW that includes mixers, coefficients, DAPM graphs,
  12  * algorithms, equalisers, DAIs, widgets etc.
  13 */
  14
  15 #ifndef __LINUX_UAPI_SND_ASOC_H
  16 #define __LINUX_UAPI_SND_ASOC_H
  17
  18 #include <linux/types.h>
  19 #include <sound/asound.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 physical PCM data formats.
 142  * Add new formats to the end of the list.
 143  */
 144 #define SND_SOC_DAI_FORMAT_I2S          1 /* I2S mode */
 145 #define SND_SOC_DAI_FORMAT_RIGHT_J      2 /* Right Justified mode */
 146 #define SND_SOC_DAI_FORMAT_LEFT_J       3 /* Left Justified mode */
 147 #define SND_SOC_DAI_FORMAT_DSP_A        4 /* L data MSB after FRM LRC */
 148 #define SND_SOC_DAI_FORMAT_DSP_B        5 /* L data MSB during FRM LRC */
 149 #define SND_SOC_DAI_FORMAT_AC97         6 /* AC97 */
 150 #define SND_SOC_DAI_FORMAT_PDM          7 /* Pulse density modulation */
 151
 152 /* left and right justified also known as MSB and LSB respectively */
 153 #define SND_SOC_DAI_FORMAT_MSB          SND_SOC_DAI_FORMAT_LEFT_J
 154 #define SND_SOC_DAI_FORMAT_LSB          SND_SOC_DAI_FORMAT_RIGHT_J
 155
 156 /* DAI link flags */
 157 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES         (1 << 0)
 158 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS      (1 << 1)
 159 #define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS    (1 << 2)
 160 #define SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP            (1 << 3)
 161
 162 /*
 163  * Block Header.
 164  * This header precedes all object and object arrays below.
 165  */
 166 struct snd_soc_tplg_hdr {
 167         __le32 magic;           /* magic number */
 168         __le32 abi;             /* ABI version */
 169         __le32 version;         /* optional vendor specific version details */
 170         __le32 type;            /* SND_SOC_TPLG_TYPE_ */
 171         __le32 size;            /* size of this structure */
 172         __le32 vendor_type;     /* optional vendor specific type info */
 173         __le32 payload_size;    /* data bytes, excluding this header */
 174         __le32 index;           /* identifier for block */
 175         __le32 count;           /* number of elements in block */
 176 } __attribute__((packed));
 177
 178 /* vendor tuple for uuid */
 179 struct snd_soc_tplg_vendor_uuid_elem {
 180         __le32 token;
 181         char uuid[16];
 182 } __attribute__((packed));
 183
 184 /* vendor tuple for a bool/byte/short/word value */
 185 struct snd_soc_tplg_vendor_value_elem {
 186         __le32 token;
 187         __le32 value;
 188 } __attribute__((packed));
 189
 190 /* vendor tuple for string */
 191 struct snd_soc_tplg_vendor_string_elem {
 192         __le32 token;
 193         char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 194 } __attribute__((packed));
 195
 196 struct snd_soc_tplg_vendor_array {
 197         __le32 size;    /* size in bytes of the array, including all elements */
 198         __le32 type;    /* SND_SOC_TPLG_TUPLE_TYPE_ */
 199         __le32 num_elems;       /* number of elements in array */
 200         union {
 201                 struct snd_soc_tplg_vendor_uuid_elem uuid[0];
 202                 struct snd_soc_tplg_vendor_value_elem value[0];
 203                 struct snd_soc_tplg_vendor_string_elem string[0];
 204         };
 205 } __attribute__((packed));
 206
 207 /*
 208  * Private data.
 209  * All topology objects may have private data that can be used by the driver or
 210  * firmware. Core will ignore this data.
 211  */
 212 struct snd_soc_tplg_private {
 213         __le32 size;    /* in bytes of private data */
 214         union {
 215                 char data[0];
 216                 struct snd_soc_tplg_vendor_array array[0];
 217         };
 218 } __attribute__((packed));
 219
 220 /*
 221  * Kcontrol TLV data.
 222  */
 223 struct snd_soc_tplg_tlv_dbscale {
 224         __le32 min;
 225         __le32 step;
 226         __le32 mute;
 227 } __attribute__((packed));
 228
 229 struct snd_soc_tplg_ctl_tlv {
 230         __le32 size;    /* in bytes of this structure */
 231         __le32 type;    /* SNDRV_CTL_TLVT_*, type of TLV */
 232         union {
 233                 __le32 data[SND_SOC_TPLG_TLV_SIZE];
 234                 struct snd_soc_tplg_tlv_dbscale scale;
 235         };
 236 } __attribute__((packed));
 237
 238 /*
 239  * Kcontrol channel data
 240  */
 241 struct snd_soc_tplg_channel {
 242         __le32 size;    /* in bytes of this structure */
 243         __le32 reg;
 244         __le32 shift;
 245         __le32 id;      /* ID maps to Left, Right, LFE etc */
 246 } __attribute__((packed));
 247
 248 /*
 249  * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops
 250  * Kcontrol ops need get/put/info.
 251  * Bytes ext ops need get/put.
 252  */
 253 struct snd_soc_tplg_io_ops {
 254         __le32 get;
 255         __le32 put;
 256         __le32 info;
 257 } __attribute__((packed));
 258
 259 /*
 260  * kcontrol header
 261  */
 262 struct snd_soc_tplg_ctl_hdr {
 263         __le32 size;    /* in bytes of this structure */
 264         __le32 type;
 265         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 266         __le32 access;
 267         struct snd_soc_tplg_io_ops ops;
 268         struct snd_soc_tplg_ctl_tlv tlv;
 269 } __attribute__((packed));
 270
 271 /*
 272  * Stream Capabilities
 273  */
 274 struct snd_soc_tplg_stream_caps {
 275         __le32 size;            /* in bytes of this structure */
 276         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 277         __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
 278         __le32 rates;           /* supported rates SNDRV_PCM_RATE_* */
 279         __le32 rate_min;        /* min rate */
 280         __le32 rate_max;        /* max rate */
 281         __le32 channels_min;    /* min channels */
 282         __le32 channels_max;    /* max channels */
 283         __le32 periods_min;     /* min number of periods */
 284         __le32 periods_max;     /* max number of periods */
 285         __le32 period_size_min; /* min period size bytes */
 286         __le32 period_size_max; /* max period size bytes */
 287         __le32 buffer_size_min; /* min buffer size bytes */
 288         __le32 buffer_size_max; /* max buffer size bytes */
 289         __le32 sig_bits;        /* number of bits of content */
 290 } __attribute__((packed));
 291
 292 /*
 293  * FE or BE Stream configuration supported by SW/FW
 294  */
 295 struct snd_soc_tplg_stream {
 296         __le32 size;            /* in bytes of this structure */
 297         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */
 298         __le64 format;          /* SNDRV_PCM_FMTBIT_* */
 299         __le32 rate;            /* SNDRV_PCM_RATE_* */
 300         __le32 period_bytes;    /* size of period in bytes */
 301         __le32 buffer_bytes;    /* size of buffer in bytes */
 302         __le32 channels;        /* channels */
 303 } __attribute__((packed));
 304
 305
 306 /*
 307  * Describes a physical link's runtime supported hardware config,
 308  * i.e. hardware audio formats.
 309  */
 310 struct snd_soc_tplg_hw_config {
 311         __le32 size;            /* in bytes of this structure */
 312         __le32 id;              /* unique ID - - used to match */
 313         __le32 fmt;             /* SND_SOC_DAI_FORMAT_ format value */
 314         __u8 clock_gated;       /* 1 if clock can be gated to save power */
 315         __u8 invert_bclk;       /* 1 for inverted BCLK, 0 for normal */
 316         __u8 invert_fsync;      /* 1 for inverted frame clock, 0 for normal */
 317         __u8 bclk_master;       /* 1 for master of BCLK, 0 for slave */
 318         __u8 fsync_master;      /* 1 for master of FSYNC, 0 for slave */
 319         __u8 mclk_direction;    /* 0 for input, 1 for output */
 320         __le16 reserved;        /* for 32bit alignment */
 321         __le32 mclk_rate;       /* MCLK or SYSCLK freqency in Hz */
 322         __le32 bclk_rate;       /* BCLK freqency in Hz */
 323         __le32 fsync_rate;      /* frame clock in Hz */
 324         __le32 tdm_slots;       /* number of TDM slots in use */
 325         __le32 tdm_slot_width;  /* width in bits for each slot */
 326         __le32 tx_slots;        /* bit mask for active Tx slots */
 327         __le32 rx_slots;        /* bit mask for active Rx slots */
 328         __le32 tx_channels;     /* number of Tx channels */
 329         __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
 330         __le32 rx_channels;     /* number of Rx channels */
 331         __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
 332 } __attribute__((packed));
 333
 334 /*
 335  * Manifest. List totals for each payload type. Not used in parsing, but will
 336  * be passed to the component driver before any other objects in order for any
 337  * global component resource allocations.
 338  *
 339  * File block representation for manifest :-
 340  * +-----------------------------------+----+
 341  * | struct snd_soc_tplg_hdr           |  1 |
 342  * +-----------------------------------+----+
 343  * | struct snd_soc_tplg_manifest      |  1 |
 344  * +-----------------------------------+----+
 345  */
 346 struct snd_soc_tplg_manifest {
 347         __le32 size;            /* in bytes of this structure */
 348         __le32 control_elems;   /* number of control elements */
 349         __le32 widget_elems;    /* number of widget elements */
 350         __le32 graph_elems;     /* number of graph elements */
 351         __le32 pcm_elems;       /* number of PCM elements */
 352         __le32 dai_link_elems;  /* number of DAI link elements */
 353         __le32 dai_elems;       /* number of physical DAI elements */
 354         __le32 reserved[20];    /* reserved for new ABI element types */
 355         struct snd_soc_tplg_private priv;
 356 } __attribute__((packed));
 357
 358 /*
 359  * Mixer kcontrol.
 360  *
 361  * File block representation for mixer kcontrol :-
 362  * +-----------------------------------+----+
 363  * | struct snd_soc_tplg_hdr           |  1 |
 364  * +-----------------------------------+----+
 365  * | struct snd_soc_tplg_mixer_control |  N |
 366  * +-----------------------------------+----+
 367  */
 368 struct snd_soc_tplg_mixer_control {
 369         struct snd_soc_tplg_ctl_hdr hdr;
 370         __le32 size;    /* in bytes of this structure */
 371         __le32 min;
 372         __le32 max;
 373         __le32 platform_max;
 374         __le32 invert;
 375         __le32 num_channels;
 376         struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
 377         struct snd_soc_tplg_private priv;
 378 } __attribute__((packed));
 379
 380 /*
 381  * Enumerated kcontrol
 382  *
 383  * File block representation for enum kcontrol :-
 384  * +-----------------------------------+----+
 385  * | struct snd_soc_tplg_hdr           |  1 |
 386  * +-----------------------------------+----+
 387  * | struct snd_soc_tplg_enum_control  |  N |
 388  * +-----------------------------------+----+
 389  */
 390 struct snd_soc_tplg_enum_control {
 391         struct snd_soc_tplg_ctl_hdr hdr;
 392         __le32 size;    /* in bytes of this structure */
 393         __le32 num_channels;
 394         struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
 395         __le32 items;
 396         __le32 mask;
 397         __le32 count;
 398         char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 399         __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4];
 400         struct snd_soc_tplg_private priv;
 401 } __attribute__((packed));
 402
 403 /*
 404  * Bytes kcontrol
 405  *
 406  * File block representation for bytes kcontrol :-
 407  * +-----------------------------------+----+
 408  * | struct snd_soc_tplg_hdr           |  1 |
 409  * +-----------------------------------+----+
 410  * | struct snd_soc_tplg_bytes_control |  N |
 411  * +-----------------------------------+----+
 412  */
 413 struct snd_soc_tplg_bytes_control {
 414         struct snd_soc_tplg_ctl_hdr hdr;
 415         __le32 size;    /* in bytes of this structure */
 416         __le32 max;
 417         __le32 mask;
 418         __le32 base;
 419         __le32 num_regs;
 420         struct snd_soc_tplg_io_ops ext_ops;
 421         struct snd_soc_tplg_private priv;
 422 } __attribute__((packed));
 423
 424 /*
 425  * DAPM Graph Element
 426  *
 427  * File block representation for DAPM graph elements :-
 428  * +-------------------------------------+----+
 429  * | struct snd_soc_tplg_hdr             |  1 |
 430  * +-------------------------------------+----+
 431  * | struct snd_soc_tplg_dapm_graph_elem |  N |
 432  * +-------------------------------------+----+
 433  */
 434 struct snd_soc_tplg_dapm_graph_elem {
 435         char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 436         char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 437         char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 438 } __attribute__((packed));
 439
 440 /*
 441  * DAPM Widget.
 442  *
 443  * File block representation for DAPM widget :-
 444  * +-------------------------------------+-----+
 445  * | struct snd_soc_tplg_hdr             |  1  |
 446  * +-------------------------------------+-----+
 447  * | struct snd_soc_tplg_dapm_widget     |  N  |
 448  * +-------------------------------------+-----+
 449  * |   struct snd_soc_tplg_enum_control  | 0|1 |
 450  * |   struct snd_soc_tplg_mixer_control | 0|N |
 451  * +-------------------------------------+-----+
 452  *
 453  * Optional enum or mixer control can be appended to the end of each widget
 454  * in the block.
 455  */
 456 struct snd_soc_tplg_dapm_widget {
 457         __le32 size;            /* in bytes of this structure */
 458         __le32 id;              /* SND_SOC_DAPM_CTL */
 459         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 460         char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 461
 462         __le32 reg;             /* negative reg = no direct dapm */
 463         __le32 shift;           /* bits to shift */
 464         __le32 mask;            /* non-shifted mask */
 465         __le32 subseq;          /* sort within widget type */
 466         __le32 invert;          /* invert the power bit */
 467         __le32 ignore_suspend;  /* kept enabled over suspend */
 468         __le16 event_flags;
 469         __le16 event_type;
 470         __le32 num_kcontrols;
 471         struct snd_soc_tplg_private priv;
 472         /*
 473          * kcontrols that relate to this widget
 474          * follow here after widget private data
 475          */
 476 } __attribute__((packed));
 477
 478
 479 /*
 480  * Describes SW/FW specific features of PCM (FE DAI & DAI link).
 481  *
 482  * File block representation for PCM :-
 483  * +-----------------------------------+-----+
 484  * | struct snd_soc_tplg_hdr           |  1  |
 485  * +-----------------------------------+-----+
 486  * | struct snd_soc_tplg_pcm           |  N  |
 487  * +-----------------------------------+-----+
 488  */
 489 struct snd_soc_tplg_pcm {
 490         __le32 size;            /* in bytes of this structure */
 491         char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 492         char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 493         __le32 pcm_id;          /* unique ID - used to match with DAI link */
 494         __le32 dai_id;          /* unique ID - used to match */
 495         __le32 playback;        /* supports playback mode */
 496         __le32 capture;         /* supports capture mode */
 497         __le32 compress;        /* 1 = compressed; 0 = PCM */
 498         struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
 499         __le32 num_streams;     /* number of streams */
 500         struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
 501         __le32 flag_mask;       /* bitmask of flags to configure */
 502         __le32 flags;           /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
 503         struct snd_soc_tplg_private priv;
 504 } __attribute__((packed));
 505
 506
 507 /*
 508  * Describes the physical link runtime supported configs or params
 509  *
 510  * File block representation for physical link config :-
 511  * +-----------------------------------+-----+
 512  * | struct snd_soc_tplg_hdr           |  1  |
 513  * +-----------------------------------+-----+
 514  * | struct snd_soc_tplg_link_config   |  N  |
 515  * +-----------------------------------+-----+
 516  */
 517 struct snd_soc_tplg_link_config {
 518         __le32 size;            /* in bytes of this structure */
 519         __le32 id;              /* unique ID - used to match */
 520         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
 521         char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */
 522         struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
 523         __le32 num_streams;     /* number of streams */
 524         struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */
 525         __le32 num_hw_configs;         /* number of hw configs */
 526         __le32 default_hw_config_id;   /* default hw config ID for init */
 527         __le32 flag_mask;       /* bitmask of flags to configure */
 528         __le32 flags;           /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
 529         struct snd_soc_tplg_private priv;
 530 } __attribute__((packed));
 531
 532 /*
 533  * Describes SW/FW specific features of physical DAI.
 534  * It can be used to configure backend DAIs for DPCM.
 535  *
 536  * File block representation for physical DAI :-
 537  * +-----------------------------------+-----+
 538  * | struct snd_soc_tplg_hdr           |  1  |
 539  * +-----------------------------------+-----+
 540  * | struct snd_soc_tplg_dai           |  N  |
 541  * +-----------------------------------+-----+
 542  */
 543 struct snd_soc_tplg_dai {
 544         __le32 size;            /* in bytes of this structure */
 545         char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
 546         __le32 dai_id;          /* unique ID - used to match */
 547         __le32 playback;        /* supports playback mode */
 548         __le32 capture;         /* supports capture mode */
 549         struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
 550         __le32 flag_mask;       /* bitmask of flags to configure */
 551         __le32 flags;           /* SND_SOC_TPLG_DAI_FLGBIT_* */
 552         struct snd_soc_tplg_private priv;
 553 } __attribute__((packed));
 554 #endif