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Edit File : asoc.h \| Size : 21.96 KB
/* 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. * * 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 provider / #define SND_SOC_TPLG_BCLK_CP 0 / codec is bclk provider / #define SND_SOC_TPLG_BCLK_CC 1 / codec is bclk consumer / / keep previous definitions for compatibility / #define SND_SOC_TPLG_BCLK_CM SND_SOC_TPLG_BCLK_CP #define SND_SOC_TPLG_BCLK_CS SND_SOC_TPLG_BCLK_CC / DAI topology FSYNC parameter * For the backwards capability, by default codec is fsync provider / #define SND_SOC_TPLG_FSYNC_CP 0 / codec is fsync provider / #define SND_SOC_TPLG_FSYNC_CC 1 / codec is fsync consumer / / keep previous definitions for compatibility / #define SND_SOC_TPLG_FSYNC_CM SND_SOC_TPLG_FSYNC_CP #define SND_SOC_TPLG_FSYNC_CS SND_SOC_TPLG_FSYNC_CC / * 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 { __DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_uuid_elem, uuid); __DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_value_elem, value); __DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_string_elem, string); }; } __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 { __DECLARE_FLEX_ARRAY(char, data); __DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_array, array); }; } __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_provider; / SND_SOC_TPLG_BCLK_ value / __u8 fsync_provider; / 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 Back

Edit File : asoc.h | Size : 21.96 KB

/* 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.
 *
 * 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 provider
 */
#define SND_SOC_TPLG_BCLK_CP         0 /* codec is bclk provider */
#define SND_SOC_TPLG_BCLK_CC         1 /* codec is bclk consumer */
/* keep previous definitions for compatibility */
#define SND_SOC_TPLG_BCLK_CM         SND_SOC_TPLG_BCLK_CP
#define SND_SOC_TPLG_BCLK_CS         SND_SOC_TPLG_BCLK_CC

/* DAI topology FSYNC parameter
 * For the backwards capability, by default codec is fsync provider
 */
#define SND_SOC_TPLG_FSYNC_CP         0 /* codec is fsync provider */
#define SND_SOC_TPLG_FSYNC_CC         1 /* codec is fsync consumer */
/* keep previous definitions for compatibility */
#define SND_SOC_TPLG_FSYNC_CM         SND_SOC_TPLG_FSYNC_CP
#define SND_SOC_TPLG_FSYNC_CS         SND_SOC_TPLG_FSYNC_CC

/*
 * 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 {
		__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_uuid_elem, uuid);
		__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_value_elem, value);
		__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_string_elem, string);
	};
} __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 {
		__DECLARE_FLEX_ARRAY(char, data);
		__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_array, array);
	};
} __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_provider;	/* SND_SOC_TPLG_BCLK_ value */
	__u8 fsync_provider;	/* 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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