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Message-ID: <20210818103215.9186-10-trevor.wu@mediatek.com>
Date: Wed, 18 Aug 2021 18:32:13 +0800
From: Trevor Wu <trevor.wu@...iatek.com>
To: <broonie@...nel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
<robh+dt@...nel.org>, <matthias.bgg@...il.com>
CC: <trevor.wu@...iatek.com>, <alsa-devel@...a-project.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<bicycle.tsai@...iatek.com>, <jiaxin.yu@...iatek.com>,
<cychiang@...gle.com>, <aaronyu@...gle.com>, <wenst@...omium.org>
Subject: [PATCH v4 09/11] ASoC: mediatek: mt8195: add DPTX audio support
This patch adds DPTX audio support on mt8195-mt6359-rt1019-rt5682 board.
Signed-off-by: Trevor Wu <trevor.wu@...iatek.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;
}
--
2.18.0
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