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