--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * uapi/sound/asoc.h -- ALSA SoC Firmware Controls and DAPM
+ *
+ * Copyright (C) 2012 Texas Instruments Inc.
+ * Copyright (C) 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Simple file API to load FW that includes mixers, coefficients, DAPM graphs,
+ * algorithms, equalisers, DAIs, widgets etc.
+*/
+
+#ifndef __LINUX_UAPI_SND_ASOC_H
+#define __LINUX_UAPI_SND_ASOC_H
+
+#include <linux/types.h>
+#include <sound/asound.h>
+
+/*
+ * Maximum number of channels topology kcontrol can represent.
+ */
+#define SND_SOC_TPLG_MAX_CHAN 8
+
+/*
+ * Maximum number of PCM formats capability
+ */
+#define SND_SOC_TPLG_MAX_FORMATS 16
+
+/*
+ * Maximum number of PCM stream configs
+ */
+#define SND_SOC_TPLG_STREAM_CONFIG_MAX 8
+
+/*
+ * Maximum number of physical link's hardware configs
+ */
+#define SND_SOC_TPLG_HW_CONFIG_MAX 8
+
+/* individual kcontrol info types - can be mixed with other types */
+#define SND_SOC_TPLG_CTL_VOLSW 1
+#define SND_SOC_TPLG_CTL_VOLSW_SX 2
+#define SND_SOC_TPLG_CTL_VOLSW_XR_SX 3
+#define SND_SOC_TPLG_CTL_ENUM 4
+#define SND_SOC_TPLG_CTL_BYTES 5
+#define SND_SOC_TPLG_CTL_ENUM_VALUE 6
+#define SND_SOC_TPLG_CTL_RANGE 7
+#define SND_SOC_TPLG_CTL_STROBE 8
+
+
+/* individual widget kcontrol info types - can be mixed with other types */
+#define SND_SOC_TPLG_DAPM_CTL_VOLSW 64
+#define SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE 65
+#define SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT 66
+#define SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE 67
+#define SND_SOC_TPLG_DAPM_CTL_PIN 68
+
+/* DAPM widget types - add new items to the end */
+#define SND_SOC_TPLG_DAPM_INPUT 0
+#define SND_SOC_TPLG_DAPM_OUTPUT 1
+#define SND_SOC_TPLG_DAPM_MUX 2
+#define SND_SOC_TPLG_DAPM_MIXER 3
+#define SND_SOC_TPLG_DAPM_PGA 4
+#define SND_SOC_TPLG_DAPM_OUT_DRV 5
+#define SND_SOC_TPLG_DAPM_ADC 6
+#define SND_SOC_TPLG_DAPM_DAC 7
+#define SND_SOC_TPLG_DAPM_SWITCH 8
+#define SND_SOC_TPLG_DAPM_PRE 9
+#define SND_SOC_TPLG_DAPM_POST 10
+#define SND_SOC_TPLG_DAPM_AIF_IN 11
+#define SND_SOC_TPLG_DAPM_AIF_OUT 12
+#define SND_SOC_TPLG_DAPM_DAI_IN 13
+#define SND_SOC_TPLG_DAPM_DAI_OUT 14
+#define SND_SOC_TPLG_DAPM_DAI_LINK 15
+#define SND_SOC_TPLG_DAPM_BUFFER 16
+#define SND_SOC_TPLG_DAPM_SCHEDULER 17
+#define SND_SOC_TPLG_DAPM_EFFECT 18
+#define SND_SOC_TPLG_DAPM_SIGGEN 19
+#define SND_SOC_TPLG_DAPM_SRC 20
+#define SND_SOC_TPLG_DAPM_ASRC 21
+#define SND_SOC_TPLG_DAPM_ENCODER 22
+#define SND_SOC_TPLG_DAPM_DECODER 23
+#define SND_SOC_TPLG_DAPM_LAST SND_SOC_TPLG_DAPM_DECODER
+
+/* Header magic number and string sizes */
+#define SND_SOC_TPLG_MAGIC 0x41536F43 /* ASoC */
+
+/* string sizes */
+#define SND_SOC_TPLG_NUM_TEXTS 16
+
+/* ABI version */
+#define SND_SOC_TPLG_ABI_VERSION 0x5 /* current version */
+#define SND_SOC_TPLG_ABI_VERSION_MIN 0x4 /* oldest version supported */
+
+/* Max size of TLV data */
+#define SND_SOC_TPLG_TLV_SIZE 32
+
+/*
+ * File and Block header data types.
+ * Add new generic and vendor types to end of list.
+ * Generic types are handled by the core whilst vendors types are passed
+ * to the component drivers for handling.
+ */
+#define SND_SOC_TPLG_TYPE_MIXER 1
+#define SND_SOC_TPLG_TYPE_BYTES 2
+#define SND_SOC_TPLG_TYPE_ENUM 3
+#define SND_SOC_TPLG_TYPE_DAPM_GRAPH 4
+#define SND_SOC_TPLG_TYPE_DAPM_WIDGET 5
+#define SND_SOC_TPLG_TYPE_DAI_LINK 6
+#define SND_SOC_TPLG_TYPE_PCM 7
+#define SND_SOC_TPLG_TYPE_MANIFEST 8
+#define SND_SOC_TPLG_TYPE_CODEC_LINK 9
+#define SND_SOC_TPLG_TYPE_BACKEND_LINK 10
+#define SND_SOC_TPLG_TYPE_PDATA 11
+#define SND_SOC_TPLG_TYPE_DAI 12
+#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_DAI
+
+/* vendor block IDs - please add new vendor types to end */
+#define SND_SOC_TPLG_TYPE_VENDOR_FW 1000
+#define SND_SOC_TPLG_TYPE_VENDOR_CONFIG 1001
+#define SND_SOC_TPLG_TYPE_VENDOR_COEFF 1002
+#define SND_SOC_TPLG_TYPEVENDOR_CODEC 1003
+
+#define SND_SOC_TPLG_STREAM_PLAYBACK 0
+#define SND_SOC_TPLG_STREAM_CAPTURE 1
+
+/* vendor tuple types */
+#define SND_SOC_TPLG_TUPLE_TYPE_UUID 0
+#define SND_SOC_TPLG_TUPLE_TYPE_STRING 1
+#define SND_SOC_TPLG_TUPLE_TYPE_BOOL 2
+#define SND_SOC_TPLG_TUPLE_TYPE_BYTE 3
+#define SND_SOC_TPLG_TUPLE_TYPE_WORD 4
+#define SND_SOC_TPLG_TUPLE_TYPE_SHORT 5
+
+/* DAI flags */
+#define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES (1 << 0)
+#define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)
+#define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2)
+
+/* DAI clock gating */
+#define SND_SOC_TPLG_DAI_CLK_GATE_UNDEFINED 0
+#define SND_SOC_TPLG_DAI_CLK_GATE_GATED 1
+#define SND_SOC_TPLG_DAI_CLK_GATE_CONT 2
+
+/* DAI mclk_direction */
+#define SND_SOC_TPLG_MCLK_CO 0 /* for codec, mclk is output */
+#define SND_SOC_TPLG_MCLK_CI 1 /* for codec, mclk is input */
+
+/* DAI physical PCM data formats.
+ * Add new formats to the end of the list.
+ */
+#define SND_SOC_DAI_FORMAT_I2S 1 /* I2S mode */
+#define SND_SOC_DAI_FORMAT_RIGHT_J 2 /* Right Justified mode */
+#define SND_SOC_DAI_FORMAT_LEFT_J 3 /* Left Justified mode */
+#define SND_SOC_DAI_FORMAT_DSP_A 4 /* L data MSB after FRM LRC */
+#define SND_SOC_DAI_FORMAT_DSP_B 5 /* L data MSB during FRM LRC */
+#define SND_SOC_DAI_FORMAT_AC97 6 /* AC97 */
+#define SND_SOC_DAI_FORMAT_PDM 7 /* Pulse density modulation */
+
+/* left and right justified also known as MSB and LSB respectively */
+#define SND_SOC_DAI_FORMAT_MSB SND_SOC_DAI_FORMAT_LEFT_J
+#define SND_SOC_DAI_FORMAT_LSB SND_SOC_DAI_FORMAT_RIGHT_J
+
+/* DAI link flags */
+#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES (1 << 0)
+#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS (1 << 1)
+#define SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2)
+#define SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP (1 << 3)
+
+/* DAI topology BCLK parameter
+ * For the backwards capability, by default codec is bclk master
+ */
+#define SND_SOC_TPLG_BCLK_CM 0 /* codec is bclk master */
+#define SND_SOC_TPLG_BCLK_CS 1 /* codec is bclk slave */
+
+/* DAI topology FSYNC parameter
+ * For the backwards capability, by default codec is fsync master
+ */
+#define SND_SOC_TPLG_FSYNC_CM 0 /* codec is fsync master */
+#define SND_SOC_TPLG_FSYNC_CS 1 /* codec is fsync slave */
+
+/*
+ * Block Header.
+ * This header precedes all object and object arrays below.
+ */
+struct snd_soc_tplg_hdr {
+ __le32 magic; /* magic number */
+ __le32 abi; /* ABI version */
+ __le32 version; /* optional vendor specific version details */
+ __le32 type; /* SND_SOC_TPLG_TYPE_ */
+ __le32 size; /* size of this structure */
+ __le32 vendor_type; /* optional vendor specific type info */
+ __le32 payload_size; /* data bytes, excluding this header */
+ __le32 index; /* identifier for block */
+ __le32 count; /* number of elements in block */
+} __attribute__((packed));
+
+/* vendor tuple for uuid */
+struct snd_soc_tplg_vendor_uuid_elem {
+ __le32 token;
+ char uuid[16];
+} __attribute__((packed));
+
+/* vendor tuple for a bool/byte/short/word value */
+struct snd_soc_tplg_vendor_value_elem {
+ __le32 token;
+ __le32 value;
+} __attribute__((packed));
+
+/* vendor tuple for string */
+struct snd_soc_tplg_vendor_string_elem {
+ __le32 token;
+ char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+} __attribute__((packed));
+
+struct snd_soc_tplg_vendor_array {
+ __le32 size; /* size in bytes of the array, including all elements */
+ __le32 type; /* SND_SOC_TPLG_TUPLE_TYPE_ */
+ __le32 num_elems; /* number of elements in array */
+ union {
+ struct snd_soc_tplg_vendor_uuid_elem uuid[0];
+ struct snd_soc_tplg_vendor_value_elem value[0];
+ struct snd_soc_tplg_vendor_string_elem string[0];
+ };
+} __attribute__((packed));
+
+/*
+ * Private data.
+ * All topology objects may have private data that can be used by the driver or
+ * firmware. Core will ignore this data.
+ */
+struct snd_soc_tplg_private {
+ __le32 size; /* in bytes of private data */
+ union {
+ char data[0];
+ struct snd_soc_tplg_vendor_array array[0];
+ };
+} __attribute__((packed));
+
+/*
+ * Kcontrol TLV data.
+ */
+struct snd_soc_tplg_tlv_dbscale {
+ __le32 min;
+ __le32 step;
+ __le32 mute;
+} __attribute__((packed));
+
+struct snd_soc_tplg_ctl_tlv {
+ __le32 size; /* in bytes of this structure */
+ __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */
+ union {
+ __le32 data[SND_SOC_TPLG_TLV_SIZE];
+ struct snd_soc_tplg_tlv_dbscale scale;
+ };
+} __attribute__((packed));
+
+/*
+ * Kcontrol channel data
+ */
+struct snd_soc_tplg_channel {
+ __le32 size; /* in bytes of this structure */
+ __le32 reg;
+ __le32 shift;
+ __le32 id; /* ID maps to Left, Right, LFE etc */
+} __attribute__((packed));
+
+/*
+ * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops
+ * Kcontrol ops need get/put/info.
+ * Bytes ext ops need get/put.
+ */
+struct snd_soc_tplg_io_ops {
+ __le32 get;
+ __le32 put;
+ __le32 info;
+} __attribute__((packed));
+
+/*
+ * kcontrol header
+ */
+struct snd_soc_tplg_ctl_hdr {
+ __le32 size; /* in bytes of this structure */
+ __le32 type;
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le32 access;
+ struct snd_soc_tplg_io_ops ops;
+ struct snd_soc_tplg_ctl_tlv tlv;
+} __attribute__((packed));
+
+/*
+ * Stream Capabilities
+ */
+struct snd_soc_tplg_stream_caps {
+ __le32 size; /* in bytes of this structure */
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
+ __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
+ __le32 rate_min; /* min rate */
+ __le32 rate_max; /* max rate */
+ __le32 channels_min; /* min channels */
+ __le32 channels_max; /* max channels */
+ __le32 periods_min; /* min number of periods */
+ __le32 periods_max; /* max number of periods */
+ __le32 period_size_min; /* min period size bytes */
+ __le32 period_size_max; /* max period size bytes */
+ __le32 buffer_size_min; /* min buffer size bytes */
+ __le32 buffer_size_max; /* max buffer size bytes */
+ __le32 sig_bits; /* number of bits of content */
+} __attribute__((packed));
+
+/*
+ * FE or BE Stream configuration supported by SW/FW
+ */
+struct snd_soc_tplg_stream {
+ __le32 size; /* in bytes of this structure */
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* Name of the stream */
+ __le64 format; /* SNDRV_PCM_FMTBIT_* */
+ __le32 rate; /* SNDRV_PCM_RATE_* */
+ __le32 period_bytes; /* size of period in bytes */
+ __le32 buffer_bytes; /* size of buffer in bytes */
+ __le32 channels; /* channels */
+} __attribute__((packed));
+
+
+/*
+ * Describes a physical link's runtime supported hardware config,
+ * i.e. hardware audio formats.
+ */
+struct snd_soc_tplg_hw_config {
+ __le32 size; /* in bytes of this structure */
+ __le32 id; /* unique ID - - used to match */
+ __le32 fmt; /* SND_SOC_DAI_FORMAT_ format value */
+ __u8 clock_gated; /* SND_SOC_TPLG_DAI_CLK_GATE_ value */
+ __u8 invert_bclk; /* 1 for inverted BCLK, 0 for normal */
+ __u8 invert_fsync; /* 1 for inverted frame clock, 0 for normal */
+ __u8 bclk_master; /* SND_SOC_TPLG_BCLK_ value */
+ __u8 fsync_master; /* SND_SOC_TPLG_FSYNC_ value */
+ __u8 mclk_direction; /* SND_SOC_TPLG_MCLK_ value */
+ __le16 reserved; /* for 32bit alignment */
+ __le32 mclk_rate; /* MCLK or SYSCLK freqency in Hz */
+ __le32 bclk_rate; /* BCLK freqency in Hz */
+ __le32 fsync_rate; /* frame clock in Hz */
+ __le32 tdm_slots; /* number of TDM slots in use */
+ __le32 tdm_slot_width; /* width in bits for each slot */
+ __le32 tx_slots; /* bit mask for active Tx slots */
+ __le32 rx_slots; /* bit mask for active Rx slots */
+ __le32 tx_channels; /* number of Tx channels */
+ __le32 tx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
+ __le32 rx_channels; /* number of Rx channels */
+ __le32 rx_chanmap[SND_SOC_TPLG_MAX_CHAN]; /* array of slot number */
+} __attribute__((packed));
+
+/*
+ * Manifest. List totals for each payload type. Not used in parsing, but will
+ * be passed to the component driver before any other objects in order for any
+ * global component resource allocations.
+ *
+ * File block representation for manifest :-
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_manifest | 1 |
+ * +-----------------------------------+----+
+ */
+struct snd_soc_tplg_manifest {
+ __le32 size; /* in bytes of this structure */
+ __le32 control_elems; /* number of control elements */
+ __le32 widget_elems; /* number of widget elements */
+ __le32 graph_elems; /* number of graph elements */
+ __le32 pcm_elems; /* number of PCM elements */
+ __le32 dai_link_elems; /* number of DAI link elements */
+ __le32 dai_elems; /* number of physical DAI elements */
+ __le32 reserved[20]; /* reserved for new ABI element types */
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/*
+ * Mixer kcontrol.
+ *
+ * File block representation for mixer kcontrol :-
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_mixer_control | N |
+ * +-----------------------------------+----+
+ */
+struct snd_soc_tplg_mixer_control {
+ struct snd_soc_tplg_ctl_hdr hdr;
+ __le32 size; /* in bytes of this structure */
+ __le32 min;
+ __le32 max;
+ __le32 platform_max;
+ __le32 invert;
+ __le32 num_channels;
+ struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/*
+ * Enumerated kcontrol
+ *
+ * File block representation for enum kcontrol :-
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_enum_control | N |
+ * +-----------------------------------+----+
+ */
+struct snd_soc_tplg_enum_control {
+ struct snd_soc_tplg_ctl_hdr hdr;
+ __le32 size; /* in bytes of this structure */
+ __le32 num_channels;
+ struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
+ __le32 items;
+ __le32 mask;
+ __le32 count;
+ char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4];
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/*
+ * Bytes kcontrol
+ *
+ * File block representation for bytes kcontrol :-
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+----+
+ * | struct snd_soc_tplg_bytes_control | N |
+ * +-----------------------------------+----+
+ */
+struct snd_soc_tplg_bytes_control {
+ struct snd_soc_tplg_ctl_hdr hdr;
+ __le32 size; /* in bytes of this structure */
+ __le32 max;
+ __le32 mask;
+ __le32 base;
+ __le32 num_regs;
+ struct snd_soc_tplg_io_ops ext_ops;
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/*
+ * DAPM Graph Element
+ *
+ * File block representation for DAPM graph elements :-
+ * +-------------------------------------+----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-------------------------------------+----+
+ * | struct snd_soc_tplg_dapm_graph_elem | N |
+ * +-------------------------------------+----+
+ */
+struct snd_soc_tplg_dapm_graph_elem {
+ char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+} __attribute__((packed));
+
+/*
+ * DAPM Widget.
+ *
+ * File block representation for DAPM widget :-
+ * +-------------------------------------+-----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-------------------------------------+-----+
+ * | struct snd_soc_tplg_dapm_widget | N |
+ * +-------------------------------------+-----+
+ * | struct snd_soc_tplg_enum_control | 0|1 |
+ * | struct snd_soc_tplg_mixer_control | 0|N |
+ * +-------------------------------------+-----+
+ *
+ * Optional enum or mixer control can be appended to the end of each widget
+ * in the block.
+ */
+struct snd_soc_tplg_dapm_widget {
+ __le32 size; /* in bytes of this structure */
+ __le32 id; /* SND_SOC_DAPM_CTL */
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+
+ __le32 reg; /* negative reg = no direct dapm */
+ __le32 shift; /* bits to shift */
+ __le32 mask; /* non-shifted mask */
+ __le32 subseq; /* sort within widget type */
+ __le32 invert; /* invert the power bit */
+ __le32 ignore_suspend; /* kept enabled over suspend */
+ __le16 event_flags;
+ __le16 event_type;
+ __le32 num_kcontrols;
+ struct snd_soc_tplg_private priv;
+ /*
+ * kcontrols that relate to this widget
+ * follow here after widget private data
+ */
+} __attribute__((packed));
+
+
+/*
+ * Describes SW/FW specific features of PCM (FE DAI & DAI link).
+ *
+ * File block representation for PCM :-
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_pcm | N |
+ * +-----------------------------------+-----+
+ */
+struct snd_soc_tplg_pcm {
+ __le32 size; /* in bytes of this structure */
+ char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le32 pcm_id; /* unique ID - used to match with DAI link */
+ __le32 dai_id; /* unique ID - used to match */
+ __le32 playback; /* supports playback mode */
+ __le32 capture; /* supports capture mode */
+ __le32 compress; /* 1 = compressed; 0 = PCM */
+ struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
+ __le32 num_streams; /* number of streams */
+ struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
+ __le32 flag_mask; /* bitmask of flags to configure */
+ __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+
+/*
+ * Describes the physical link runtime supported configs or params
+ *
+ * File block representation for physical link config :-
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_link_config | N |
+ * +-----------------------------------+-----+
+ */
+struct snd_soc_tplg_link_config {
+ __le32 size; /* in bytes of this structure */
+ __le32 id; /* unique ID - used to match */
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
+ char stream_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* stream name - used to match */
+ struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
+ __le32 num_streams; /* number of streams */
+ struct snd_soc_tplg_hw_config hw_config[SND_SOC_TPLG_HW_CONFIG_MAX]; /* hw configs */
+ __le32 num_hw_configs; /* number of hw configs */
+ __le32 default_hw_config_id; /* default hw config ID for init */
+ __le32 flag_mask; /* bitmask of flags to configure */
+ __le32 flags; /* SND_SOC_TPLG_LNK_FLGBIT_* flag value */
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/*
+ * Describes SW/FW specific features of physical DAI.
+ * It can be used to configure backend DAIs for DPCM.
+ *
+ * File block representation for physical DAI :-
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_hdr | 1 |
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_dai | N |
+ * +-----------------------------------+-----+
+ */
+struct snd_soc_tplg_dai {
+ __le32 size; /* in bytes of this structure */
+ char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* name - used to match */
+ __le32 dai_id; /* unique ID - used to match */
+ __le32 playback; /* supports playback mode */
+ __le32 capture; /* supports capture mode */
+ struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
+ __le32 flag_mask; /* bitmask of flags to configure */
+ __le32 flags; /* SND_SOC_TPLG_DAI_FLGBIT_* */
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/*
+ * Old version of ABI structs, supported for backward compatibility.
+ */
+
+/* Manifest v4 */
+struct snd_soc_tplg_manifest_v4 {
+ __le32 size; /* in bytes of this structure */
+ __le32 control_elems; /* number of control elements */
+ __le32 widget_elems; /* number of widget elements */
+ __le32 graph_elems; /* number of graph elements */
+ __le32 pcm_elems; /* number of PCM elements */
+ __le32 dai_link_elems; /* number of DAI link elements */
+ struct snd_soc_tplg_private priv;
+} __attribute__((packed));
+
+/* Stream Capabilities v4 */
+struct snd_soc_tplg_stream_caps_v4 {
+ __le32 size; /* in bytes of this structure */
+ char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
+ __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
+ __le32 rate_min; /* min rate */
+ __le32 rate_max; /* max rate */
+ __le32 channels_min; /* min channels */
+ __le32 channels_max; /* max channels */
+ __le32 periods_min; /* min number of periods */
+ __le32 periods_max; /* max number of periods */
+ __le32 period_size_min; /* min period size bytes */
+ __le32 period_size_max; /* max period size bytes */
+ __le32 buffer_size_min; /* min buffer size bytes */
+ __le32 buffer_size_max; /* max buffer size bytes */
+} __attribute__((packed));
+
+/* PCM v4 */
+struct snd_soc_tplg_pcm_v4 {
+ __le32 size; /* in bytes of this structure */
+ char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
+ __le32 pcm_id; /* unique ID - used to match with DAI link */
+ __le32 dai_id; /* unique ID - used to match */
+ __le32 playback; /* supports playback mode */
+ __le32 capture; /* supports capture mode */
+ __le32 compress; /* 1 = compressed; 0 = PCM */
+ struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
+ __le32 num_streams; /* number of streams */
+ struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
+} __attribute__((packed));
+
+/* Physical link config v4 */
+struct snd_soc_tplg_link_config_v4 {
+ __le32 size; /* in bytes of this structure */
+ __le32 id; /* unique ID - used to match */
+ struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
+ __le32 num_streams; /* number of streams */
+} __attribute__((packed));
+
+#endif
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