This patch adds DPTX audio support on mt8195-mt6359-rt1019-rt5682 board.
Signed-off-by: Trevor Wu trevor.wu@mediatek.com --- sound/soc/mediatek/Kconfig | 1 + .../mt8195/mt8195-mt6359-rt1019-rt5682.c | 88 +++++++++++++++++-- 2 files changed, 84 insertions(+), 5 deletions(-)
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig index bfee954d0c7c..cf567a89f421 100644 --- a/sound/soc/mediatek/Kconfig +++ b/sound/soc/mediatek/Kconfig @@ -202,6 +202,7 @@ config SND_SOC_MT8195_MT6359_RT1019_RT5682 select SND_SOC_RT1015P select SND_SOC_RT5682_I2C select SND_SOC_DMIC + select SND_SOC_HDMI_CODEC help This adds ASoC driver for Mediatek MT8195 boards with the MT6359 RT1019 RT5682 audio codec. diff --git a/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c b/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c index 39b33aecc1e9..d853bc445753 100644 --- a/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c +++ b/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c @@ -27,6 +27,7 @@
struct mt8195_mt6359_rt1019_rt5682_priv { struct snd_soc_jack headset_jack; + struct snd_soc_jack dp_jack; };
static const struct snd_soc_dapm_widget @@ -327,6 +328,52 @@ static int mt8195_etdm_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, return 0; }
+static int mt8195_hdmitx_dptx_startup(struct snd_pcm_substream *substream) +{ + static const unsigned int rates[] = { + 48000 + }; + static const unsigned int channels[] = { + 2, 4, 6, 8 + }; + static const struct snd_pcm_hw_constraint_list constraints_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, + }; + static const struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, + }; + + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int ret; + + ret = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &constraints_rates); + if (ret < 0) { + dev_err(rtd->dev, "hw_constraint_list rate failed\n"); + return ret; + } + + ret = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_channels); + if (ret < 0) { + dev_err(rtd->dev, "hw_constraint_list channel failed\n"); + return ret; + } + + return 0; +} + +static const struct snd_soc_ops mt8195_hdmitx_dptx_playback_ops = { + .startup = mt8195_hdmitx_dptx_startup, +}; + static int mt8195_dptx_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -344,8 +391,25 @@ static struct snd_soc_ops mt8195_dptx_ops = { .hw_params = mt8195_dptx_hw_params, };
-static int mt8195_dptx_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, - struct snd_pcm_hw_params *params) +static int mt8195_dptx_codec_init(struct snd_soc_pcm_runtime *rtd) +{ + struct mt8195_mt6359_rt1019_rt5682_priv *priv = + snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_component *cmpnt_codec = + asoc_rtd_to_codec(rtd, 0)->component; + int ret = 0; + + ret = snd_soc_card_jack_new(rtd->card, "DP Jack", SND_JACK_LINEOUT, + &priv->dp_jack, NULL, 0); + if (ret) + return ret; + + return snd_soc_component_set_jack(cmpnt_codec, &priv->dp_jack, NULL); +} + +static int mt8195_hdmitx_dptx_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) + { /* fix BE i2s format to 32bit, clean param mask first */ snd_mask_reset_range(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), @@ -687,6 +751,7 @@ static struct snd_soc_dai_link mt8195_mt6359_rt1019_rt5682_dai_links[] = { }, .dynamic = 1, .dpcm_playback = 1, + .ops = &mt8195_hdmitx_dptx_playback_ops, SND_SOC_DAILINK_REG(DL10_FE), }, [DAI_LINK_DL11_FE] = { @@ -820,7 +885,7 @@ static struct snd_soc_dai_link mt8195_mt6359_rt1019_rt5682_dai_links[] = { .no_pcm = 1, .dpcm_playback = 1, .ops = &mt8195_dptx_ops, - .be_hw_params_fixup = mt8195_dptx_hw_params_fixup, + .be_hw_params_fixup = mt8195_hdmitx_dptx_hw_params_fixup, SND_SOC_DAILINK_REG(DPTX_BE), }, [DAI_LINK_ETDM1_IN_BE] = { @@ -915,7 +980,6 @@ static int mt8195_mt6359_rt1019_rt5682_dev_probe(struct platform_device *pdev) struct device_node *platform_node; struct snd_soc_dai_link *dai_link; struct mt8195_mt6359_rt1019_rt5682_priv *priv = NULL; - int ret, i;
card->dev = &pdev->dev; @@ -930,6 +994,20 @@ static int mt8195_mt6359_rt1019_rt5682_dev_probe(struct platform_device *pdev) for_each_card_prelinks(card, i, dai_link) { if (!dai_link->platforms->name) dai_link->platforms->of_node = platform_node; + + if (strcmp(dai_link->name, "DPTX_BE") == 0) { + dai_link->codecs->of_node = + of_parse_phandle(pdev->dev.of_node, + "mediatek,dptx-codec", 0); + if (!dai_link->codecs->of_node) { + dev_err(&pdev->dev, "Property 'dptx-codec' missing or invalid\n"); + return -EINVAL; + } + + dai_link->codecs->name = NULL; + dai_link->codecs->dai_name = "i2s-hifi"; + dai_link->init = mt8195_dptx_codec_init; + } }
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); @@ -940,7 +1018,7 @@ static int mt8195_mt6359_rt1019_rt5682_dev_probe(struct platform_device *pdev)
ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) - dev_dbg(&pdev->dev, "%s snd_soc_register_card fail %d\n", + dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); return ret; }