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ASoC: mediatek: Add HDMI dai-links to the mt8173-rt5650 machine driver
This patch adds HDMI audio output support to the MT8173 RT5650 machine driver. Signed-off-by: PC Liao <pc.liao@mediatek.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1,8 +1,9 @@
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MT8173 with RT5650 CODECS
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MT8173 with RT5650 CODECS and HDMI via I2S
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Required properties:
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- compatible : "mediatek,mt8173-rt5650"
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- mediatek,audio-codec: the phandles of rt5650 codecs
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and of the hdmi encoder node
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- mediatek,platform: the phandle of MT8173 ASoC platform
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Optional subnodes:
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@ -20,7 +21,7 @@ Example:
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sound {
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compatible = "mediatek,mt8173-rt5650";
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mediatek,audio-codec = <&rt5650>;
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mediatek,audio-codec = <&rt5650 &hdmi0>;
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mediatek,platform = <&afe>;
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mediatek,mclk = <0>;
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codec-capture {
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@ -46,6 +46,7 @@ config SND_SOC_MT8173_RT5650
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tristate "ASoC Audio driver for MT8173 with RT5650 codec"
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depends on SND_SOC_MT8173 && I2C
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select SND_SOC_RT5645
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select SND_SOC_HDMI_CODEC
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help
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This adds ASoC driver for Mediatek MT8173 boards
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with the RT5650 audio codec.
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@ -169,7 +169,9 @@ static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
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enum {
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DAI_LINK_PLAYBACK,
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DAI_LINK_CAPTURE,
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DAI_LINK_HDMI,
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DAI_LINK_CODEC_I2S,
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DAI_LINK_HDMI_I2S,
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};
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/* Digital audio interface glue - connects codec <---> CPU */
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@ -195,6 +197,16 @@ static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
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.dynamic = 1,
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.dpcm_capture = 1,
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},
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[DAI_LINK_HDMI] = {
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.name = "HDMI",
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.stream_name = "HDMI PCM",
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.cpu_dai_name = "HDMI",
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dynamic = 1,
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.dpcm_playback = 1,
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},
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/* Back End DAI links */
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[DAI_LINK_CODEC_I2S] = {
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.name = "Codec",
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@ -210,6 +222,13 @@ static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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},
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[DAI_LINK_HDMI_I2S] = {
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.name = "HDMI BE",
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.cpu_dai_name = "HDMIO",
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.no_pcm = 1,
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.codec_dai_name = "i2s-hifi",
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.dpcm_playback = 1,
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},
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};
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static struct snd_soc_card mt8173_rt5650_card = {
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@ -284,6 +303,13 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
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}
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}
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mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node =
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of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
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if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
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dev_err(&pdev->dev,
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"Property 'audio-codec' missing or invalid\n");
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return -EINVAL;
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}
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card->dev = &pdev->dev;
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platform_set_drvdata(pdev, card);
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