d33083f941
audio-graph-card2-custom-sample.dtsi will be used to test Audio-Graph-Card2 behavior. But it is difficult to say that it is easy to understand, because the comment/explanation are not so many. This patch add verbose explanation to it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87czeps95h.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
311 lines
8.1 KiB
Plaintext
311 lines
8.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* audio-graph-card2-custom-sample.dtsi
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*
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* Copyright (C) 2020 Renesas Electronics Corp.
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* Copyright (C) 2020 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This sample indicates how to use audio-graph-card2 and its
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* custom driver. "audio-graph-card2-custom-sample" is the custome driver
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* which is using audio-graph-card2.
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*
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* You can easily use this sample by adding below line on your DT file,
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* and add new CONFIG to your .config.
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*
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* #include "../../../../../sound/soc/generic/audio-graph-card2-custom-sample.dtsi"
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*
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* CONFIG_SND_AUDIO_GRAPH_CARD2
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* CONFIG_SND_AUDIO_GRAPH_CARD2_CUSTOM_SAMPLE
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* CONFIG_SND_TEST_COMPONENT
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*
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*
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* You can indicate more detail each device behavior as debug if you modify
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* "compatible" on each test-component. see below
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*
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* test_cpu {
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* - compatible = "test-cpu";
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* + compatible = "test-cpu-verbose";
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* ...
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* };
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*
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* test_codec {
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* - compatible = "test-codec";
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* + compatible = "test-codec-verbose";
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* ...
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* };
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*
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*/
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/ {
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/*
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* @ : used at links
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*
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* [Normal]
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* cpu0 <-@-----------------> codec0
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*
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* [Multi-CPU/Codec]
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* +-+ +-+
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* cpu1 <--| |<-@--------->| |-> codec1
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* cpu2 <--| | | |-> codec2
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* +-+ +-+
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*
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* [DPCM]
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* FE BE
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* ****
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* cpu3 <-@--* *--@-> codec3
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* cpu4 <-@--* *
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* ****
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*
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* [DPCM-Multi]
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*
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* --NOTE--
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* Multi-FE is not supported by ASoC.
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*
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* FE BE
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* **** +-+
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* cpu5 <-@--* *--@-> | | -> codec4
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* cpu6 <-@--* * | | -> codec5
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* **** +-+
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*
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* [Codec2Codec]
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* +-@-> codec6
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* |
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* +---> codec7
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*
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* [Codec2Codec-Multi]
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*
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* --NOTE--
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* Multi connect N:M is not supported by ASoC.
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*
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* +-+
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* +-@->| |-> codec8
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* | | |-> codec9
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* | +-+
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* | +-+
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* +--->| |-> codec10
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* | |-> codec11
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* +-+
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*/
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audio-graph-card2-custom-sample {
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/*
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* You can use audio-graph-card2 directly by using
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*
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* compatible = "audio-graph-card2";
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*/
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compatible = "audio-graph-card2-custom-sample";
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/* for [DPCM] */
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/* BE FE */
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routing = "TC DAI3 Playback", "DAI3 Playback",
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"TC DAI3 Playback", "DAI4 Playback",
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"DAI3 Capture", "TC DAI3 Capture",
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"DAI4 Capture", "TC DAI3 Capture",
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/* for [DPCM-Multi] */
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/* BE FE */
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"TC DAI4 Playback", "DAI5 Playback",
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"TC DAI5 Playback", "DAI5 Playback",
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"TC DAI4 Playback", "DAI6 Playback",
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"TC DAI5 Playback", "DAI6 Playback",
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"DAI5 Capture", "TC DAI4 Capture",
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"DAI5 Capture", "TC DAI5 Capture",
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"DAI6 Capture", "TC DAI4 Capture",
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"DAI6 Capture", "TC DAI5 Capture",
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/* for [Codec2Codec] */
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"TC OUT", "TC DAI7 Playback",
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"TC DAI6 Capture", "TC IN",
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/* for [Codec2Codec-Multi] */
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"TC OUT", "TC DAI10 Playback",
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"TC DAI8 Capture", "TC IN",
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"TC OUT", "TC DAI11 Playback",
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"TC DAI9 Capture", "TC IN";
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links = <
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/*
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* [Normal]: cpu side only
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* cpu0/codec0
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*/
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&cpu0
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/*
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* [Multi-CPU/Codec]: cpu side only
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* cpu1/cpu2/codec1/codec2
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*/
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&mcpu0
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/*
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* [DPCM]: both FE / BE
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* cpu3/cpu4/codec3
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*/
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&fe00 &fe01 &be0
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/*
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* [DPCM-Multi]: both FE / BE
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* cpu5/cpu6/codec4/codec5
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*/
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&fe10 &fe11 &be1
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/*
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* [Codec2Codec]: cpu side only
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* codec6/codec7
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*/
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&c2c
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/*
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* [Codec2Codec-Multi]: cpu side only
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* codec8/codec9/codec10/codec11
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*/
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&c2c_m
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>;
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multi {
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ports@0 {
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/* [Multi-CPU] */
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mcpu0: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
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port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
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port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
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};
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/* [Multi-Codec] */
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ports@1 {
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port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
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port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
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port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
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};
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/* [DPCM-Multi]::BE */
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ports@2 {
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port@0 { mbe_ep: endpoint { remote-endpoint = <&be10_ep>; }; };
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port@1 { mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; };
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port@2 { mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; };
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};
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/* [Codec2Codec-Multi]::CPU */
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ports@3 {
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port@0 { mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; }; };
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port@1 { mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; };
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port@2 { mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; };
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};
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/* [Codec2Codec-Multi]::Codec */
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ports@4 {
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port@0 { mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; }; };
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port@1 { mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; };
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port@2 { mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; };
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};
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};
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dpcm {
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ports@0 {
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/* [DPCM]::FE */
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fe00: port@0 { fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; };
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fe01: port@1 { fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; };
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/* [DPCM-Multi]::FE */
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fe10: port@2 { fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; };
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fe11: port@3 { fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; };
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};
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ports@1 {
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/* [DPCM]::BE */
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be0: port@0 { be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; };
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/* [DPCM-Multi]::BE */
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be1: port@1 { be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; };
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};
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};
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codec2codec {
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/* [Codec2Codec] */
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ports@0 {
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/* use default settings */
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c2c: port@0 { c2cf_ep: endpoint { remote-endpoint = <&codec6_ep>; }; };
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port@1 { c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; };
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};
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/* [Codec2Codec-Multi] */
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ports@1 {
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/* use original settings */
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rate = <48000>;
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c2c_m: port@0 { c2cmf_ep: endpoint { remote-endpoint = <&mc2c0_ep>; }; };
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port@1 { c2cmb_ep: endpoint { remote-endpoint = <&mc2c1_ep>; }; };
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};
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};
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};
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test_cpu {
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/*
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* update compatible to indicate more detail behaviour
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* if you want. see test-compatible for more detail.
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*
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* ex)
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* - compatible = "test-cpu";
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* + compatible = "test-cpu-verbose";
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*/
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compatible = "test-cpu";
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ports {
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bitclock-master;
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frame-master;
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/* [Normal] */
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cpu0: port@0 { cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
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/* [Multi-CPU] */
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port@1 { cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
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port@2 { cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
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/* [DPCM]::FE */
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port@3 { cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; };
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port@4 { cpu4_ep: endpoint { remote-endpoint = <&fe01_ep>; }; };
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/* [DPCM-Multi]::FE */
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port@5 { cpu5_ep: endpoint { remote-endpoint = <&fe10_ep>; }; };
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port@6 { cpu6_ep: endpoint { remote-endpoint = <&fe11_ep>; }; };
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};
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};
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test_codec {
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/*
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* update compatible to indicate more detail behaviour
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* if you want. see test-compatible for more detail.
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*
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* ex)
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* - compatible = "test-codec";
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* + compatible = "test-codec-verbose";
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*/
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compatible = "test-codec";
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ports {
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/*
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* prefix can be added to *component*,
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* see audio-graph-card2::routing
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*/
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prefix = "TC";
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/* [Normal] */
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port@0 { codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; };
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/* [Multi-Codec] */
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port@1 { codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; };
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port@2 { codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; };
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/* [DPCM]::BE */
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port@3 { codec3_ep: endpoint { remote-endpoint = <&be00_ep>; }; };
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/* [DPCM-Multi]::BE */
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port@4 { codec4_ep: endpoint { remote-endpoint = <&mbe1_ep>; }; };
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port@5 { codec5_ep: endpoint { remote-endpoint = <&mbe2_ep>; }; };
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/* [Codec2Codec] */
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port@6 { bitclock-master;
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frame-master;
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codec6_ep: endpoint { remote-endpoint = <&c2cf_ep>; }; };
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port@7 { codec7_ep: endpoint { remote-endpoint = <&c2cb_ep>; }; };
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/* [Codec2Codec-Multi] */
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port@8 { bitclock-master;
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frame-master;
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codec8_ep: endpoint { remote-endpoint = <&mc2c00_ep>; }; };
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port@9 { codec9_ep: endpoint { remote-endpoint = <&mc2c01_ep>; }; };
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port@10 { codec10_ep: endpoint { remote-endpoint = <&mc2c10_ep>; }; };
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port@11 { codec11_ep: endpoint { remote-endpoint = <&mc2c11_ep>; }; };
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};
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};
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};
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