From 1a48b7f06ef2d83a87ff372eaaf8208bb71562a6 Mon Sep 17 00:00:00 2001
From: The-going <48602507+The-going@users.noreply.github.com>
Date: Tue, 27 Sep 2022 21:35:05 +0300
Subject: [PATCH] sound: soc: sun4i-codec: add compatible sun8i_r40_codec

---
 sound/soc/sunxi/sun4i-codec.c | 65 +++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index f7de88f93..e9e17c740 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -1550,6 +1550,45 @@ static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
 	return card;
 };
 
+static struct snd_soc_card *sun8i_r40_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.dlc.of_node = of_parse_phandle(dev->of_node,
+						 "allwinner,codec-analog-controls",
+						 0);
+	if (!aux_dev.dlc.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->owner		= THIS_MODULE;
+	card->name		= "R40 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 struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
 {
 	struct snd_soc_card *card;
@@ -1624,6 +1663,13 @@ static const struct regmap_config sun8i_h3_codec_regmap_config = {
 	.max_register	= SUN8I_H3_CODEC_ADC_DBG,
 };
 
+static const struct regmap_config sun8i_r40_codec_regmap_config = {
+	.reg_bits	= 32,
+	.reg_stride	= 4,
+	.val_bits	= 32,
+	.max_register	= SUN8I_H3_CODEC_ADC_DBG,
+};
+
 static const struct regmap_config sun8i_v3s_codec_regmap_config = {
 	.reg_bits	= 32,
 	.reg_stride	= 4,
@@ -1694,6 +1740,21 @@ static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
 	.has_reset	= true,
 };
 
+static const struct sun4i_codec_quirks sun8i_r40_codec_quirks = {
+	.regmap_config	= &sun8i_r40_codec_regmap_config,
+	/*
+	 * TODO Share the codec structure with A23 for now.
+	 * This should be split out when adding digital audio
+	 * processing support for the H3.
+	 */
+	.codec		= &sun8i_a23_codec_codec,
+	.create_card	= sun8i_r40_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_v3s_codec_quirks = {
 	.regmap_config	= &sun8i_v3s_codec_regmap_config,
 	/*
@@ -1729,6 +1790,10 @@ static const struct of_device_id sun4i_codec_of_match[] = {
 		.compatible = "allwinner,sun8i-h3-codec",
 		.data = &sun8i_h3_codec_quirks,
 	},
+	{
+		.compatible = "allwinner,sun8i-r40-codec",
+		.data = &sun8i_r40_codec_quirks,
+	},
 	{
 		.compatible = "allwinner,sun8i-v3s-codec",
 		.data = &sun8i_v3s_codec_quirks,
-- 
2.35.3