[v2 1/2] drm: bridge: adv7511: Enable SPDIF DAI

[v2 1/2] drm: bridge: adv7511: Enable SPDIF DAI

[Bogdan Togorean]

ADV7511 support I2S or SPDIF as audio input interfaces. This commit
enable support for SPDIF.

Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
---
 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index a428185be2c1..1e9b128d229b 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
@@ -119,6 +119,9 @@ int adv7511_hdmi_hw_params(struct device *dev, void *data,
 		audio_source = ADV7511_AUDIO_SOURCE_I2S;
 		i2s_format = ADV7511_I2S_FORMAT_LEFT_J;
 		break;
+	case HDMI_SPDIF:
+		audio_source = ADV7511_AUDIO_SOURCE_SPDIF;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -175,11 +178,21 @@ static int audio_startup(struct device *dev, void *data)
 	/* use Audio infoframe updated info */
 	regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1),
 				BIT(5), 0);
+	/* enable SPDIF receiver */
+	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
+		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
+				   BIT(7), BIT(7));
+
 	return 0;
 }
 
 static void audio_shutdown(struct device *dev, void *data)
 {
+	struct adv7511 *adv7511 = dev_get_drvdata(dev);
+
+	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
+		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
+				   BIT(7), 0);
 }
 
 static int adv7511_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
@@ -213,6 +226,7 @@ static const struct hdmi_codec_pdata codec_data = {
 	.ops = &adv7511_codec_ops,
 	.max_i2s_channels = 2,
 	.i2s = 1,
+	.spdif = 1,
 };
 
 int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511)
-- 
2.17.1

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[v2 2/2] drm: bridge: adv7511: Extend list of audio sample rates

[Bogdan Togorean]

ADV7511 support sample rates up to 192kHz. CTS and N parameters should
be computed accordingly so this commit extend the list up to maximum
supported sample rate.

Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
---
Changes in v2:
 - replaced magic numbers with formula for computation of n
---
 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index 1e9b128d229b..f101dd2819b5 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
@@ -19,13 +19,15 @@ static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs,
 {
 	switch (fs) {
 	case 32000:
-		*n = 4096;
+	case 48000:
+	case 96000:
+	case 192000:
+		*n = fs * 128 / 1000;
 		break;
 	case 44100:
-		*n = 6272;
-		break;
-	case 48000:
-		*n = 6144;
+	case 88200:
+	case 176400:
+		*n = fs * 128 / 900;
 		break;
 	}
 
-- 
2.17.1

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Re: [v2 1/2] drm: bridge: adv7511: Enable SPDIF DAI

[Andrzej Hajda]

On 13.04.2020 13:35, Bogdan Togorean wrote:
> ADV7511 support I2S or SPDIF as audio input interfaces. This commit
> enable support for SPDIF.
>
> Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>

Queued both patches to next.


Regards

Andrzej

> ---
>  drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
> index a428185be2c1..1e9b128d229b 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
> @@ -119,6 +119,9 @@ int adv7511_hdmi_hw_params(struct device *dev, void *data,
>  		audio_source = ADV7511_AUDIO_SOURCE_I2S;
>  		i2s_format = ADV7511_I2S_FORMAT_LEFT_J;
>  		break;
> +	case HDMI_SPDIF:
> +		audio_source = ADV7511_AUDIO_SOURCE_SPDIF;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -175,11 +178,21 @@ static int audio_startup(struct device *dev, void *data)
>  	/* use Audio infoframe updated info */
>  	regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1),
>  				BIT(5), 0);
> +	/* enable SPDIF receiver */
> +	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
> +		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
> +				   BIT(7), BIT(7));
> +
>  	return 0;
>  }
>  
>  static void audio_shutdown(struct device *dev, void *data)
>  {
> +	struct adv7511 *adv7511 = dev_get_drvdata(dev);
> +
> +	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
> +		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
> +				   BIT(7), 0);
>  }
>  
>  static int adv7511_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
> @@ -213,6 +226,7 @@ static const struct hdmi_codec_pdata codec_data = {
>  	.ops = &adv7511_codec_ops,
>  	.max_i2s_channels = 2,
>  	.i2s = 1,
> +	.spdif = 1,
>  };
>  
>  int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511)


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