[linux-sunxi] [PATCH v2 05/12] ASoC: sun4i-codec: Add support for V3s codec

Chen-Yu Tsai
2017-03-06T04:05:53Z

On Sun, Mar 5, 2017 at 9:37 PM, Icenowy Zheng <icenowy@aosc.xyz> wrote:
> The codec in the V3s is similar to the one found on the A31. One key
> difference is the analog path controls are routed through the PRCM
> block. This is supported by the sun8i-codec-analog driver, and tied
> into this codec driver with the audio card's aux_dev.
>
> In addition, the V3s does not have LINEIN, LINEOUT, MBIAS and MIC2,
> MIC3, and the FIFO related registers are like H3.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
> ---
> .../devicetree/bindings/sound/sun4i-codec.txt | 11 ++--
> sound/soc/sunxi/sun4i-codec.c | 59 ++++++++++++++++++++++
> 2 files changed, 66 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
> index 3863531d1e6d..2d4e10deb6f4 100644
> --- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt
> +++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
> @@ -7,6 +7,7 @@ Required properties:
> - "allwinner,sun7i-a20-codec"
> - "allwinner,sun8i-a23-codec"
> - "allwinner,sun8i-h3-codec"
> + - "allwinner,sun8i-v3s-codec"
> - reg: must contain the registers location and length
> - interrupts: must contain the codec interrupt
> - dmas: DMA channels for tx and rx dma. See the DMA client binding,
> @@ -25,6 +26,7 @@ Required properties for the following compatibles:
> - "allwinner,sun6i-a31-codec"
> - "allwinner,sun8i-a23-codec"
> - "allwinner,sun8i-h3-codec"
> + - "allwinner,sun8i-v3s-codec"
> - resets: phandle to the reset control for this device
> - allwinner,audio-routing: A list of the connections between audio components.
> Each entry is a pair of strings, the first being the
> @@ -34,15 +36,15 @@ Required properties for the following compatibles:
> Audio pins on the SoC:
> "HP"
> "HPCOM"
> - "LINEIN"
> - "LINEOUT" (not on sun8i-a23)
> + "LINEIN" (not on sun8i-v3s)
> + "LINEOUT" (not on sun8i-a23 or sun8i-v3s)
> "MIC1"
> - "MIC2"
> + "MIC2" (not on sun8i-v3s)
> "MIC3" (sun6i-a31 only)
>
> Microphone biases from the SoC:
> "HBIAS"
> - "MBIAS"
> + "MBIAS" (not on sun8i-v3s)
>
> Board connectors:
> "Headphone"
> @@ -55,6 +57,7 @@ Required properties for the following compatibles:
> Required properties for the following compatibles:
> - "allwinner,sun8i-a23-codec"
> - "allwinner,sun8i-h3-codec"
> + - "allwinner,sun8i-v3s-codec"
> - allwinner,codec-analog-controls: A phandle to the codec analog controls
> block in the PRCM.
>
> diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
> index c3aab10fa085..7f1b1aa95e0b 100644
> --- a/sound/soc/sunxi/sun4i-codec.c
> +++ b/sound/soc/sunxi/sun4i-codec.c
> @@ -1339,6 +1339,44 @@ static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
> return card;
> };
>
> +static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
> +{
> + struct snd_soc_card *card;
> + int ret;
> +
> + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
> + if (!card)
> + return ERR_PTR(-ENOMEM);
> +
> + aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
> + "allwinner,codec-analog-controls",
> + 0);
> + if (!aux_dev.codec_of_node) {
> + dev_err(dev, "Can't find analog controls for codec.\n");
> + return ERR_PTR(-EINVAL);
> + };
> +
> + card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
> + if (!card->dai_link)
> + return ERR_PTR(-ENOMEM);
> +
> + card->dev = dev;
> + card->name = "V3s Audio Codec";
> + card->dapm_widgets = sun6i_codec_card_dapm_widgets;
> + card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
> + card->dapm_routes = sun8i_codec_card_routes;
> + card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
> + card->aux_dev = &aux_dev;
> + card->num_aux_devs = 1;
> + card->fully_routed = true;
> +
> + ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
> + if (ret)
> + dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
> +
> + return card;
> +};
> +
> static const struct regmap_config sun4i_codec_regmap_config = {
> .reg_bits = 32,
> .reg_stride = 4,
> @@ -1374,6 +1412,13 @@ static const struct regmap_config sun8i_h3_codec_regmap_config = {
> .max_register = SUN8I_H3_CODEC_ADC_DBG,
> };
>
> +static const struct regmap_config sun8i_v3s_codec_regmap_config = {
> + .reg_bits = 32,
> + .reg_stride = 4,
> + .val_bits = 32,
> + .max_register = SUN6I_CODEC_HMIC_DATA,

The last defined register for the non digital audio processing parts is
SUN8I_H3_CODEC_ADC_DBG.

Or if you want you could include everything, which goes up to 0x400.

> +};
> +
> struct sun4i_codec_quirks {
> const struct regmap_config *regmap_config;
> const struct snd_soc_codec_driver *codec;
> @@ -1422,6 +1467,16 @@ static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
> .has_reset = true,
> };
>
> +static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
> + .regmap_config = &sun8i_v3s_codec_regmap_config,
> + .codec = &sun8i_a23_codec_codec,

Please leave a note, like the H3, that this should be changed if digital audio
processing is added.

Regards
ChenYu

> + .create_card = sun8i_v3s_codec_create_card,
> + .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
> + .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
> + .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
> + .has_reset = true,
> +};
> +
> static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
> .regmap_config = &sun8i_h3_codec_regmap_config,
> /*
> @@ -1458,6 +1513,10 @@ static const struct of_device_id sun4i_codec_of_match[] = {
> .compatible = "allwinner,sun8i-h3-codec",
> .data = &sun8i_h3_codec_quirks,
> },
> + {
> + .compatible = "allwinner,sun8i-v3s-codec",
> + .data = &sun8i_v3s_codec_quirks,
> + },
> {}
> };
> MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
> --
> 2.11.1
>
> --
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