firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-sound_soc_sunxi_sun8iw18-sndcodec.c.patch

diff -drupN a/sound/soc/sunxi/sun8iw18-sndcodec.c b/sound/soc/sunxi/sun8iw18-sndcodec.c
--- a/sound/soc/sunxi/sun8iw18-sndcodec.c	1970-01-01 03:00:00.000000000 +0300
+++ b/sound/soc/sunxi/sun8iw18-sndcodec.c	2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,416 @@
+/*
+ * sound\soc\sunxi\sunx8iw18-sndcodec.c
+ * (C) Copyright 2014-2018
+ * allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * huangxin <huangxin@allwinnertech.com>
+ * wolfgang huang <huangjinhui@allwinnetech.com>
+ * yumingfeng <yumingfeng@allwinnetech.com>
+ *
+ * some simple description for this code
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/io.h>
+#include <linux/input.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <linux/of.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <linux/delay.h>
+
+#include "sunxi_rw_func.h"
+#include "sun8iw18-sndcodec.h"
+
+/* enable the sndcodec suspend */
+static int sunxi_sndcodec_startup(struct snd_pcm_substream *substream)
+{
+#ifdef SUNXI_CODEC_MAP_TO_DAUDIO
+#ifdef CONFIG_SND_SUNXI_MAD
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+				snd_soc_card_get_drvdata(rtd->card);
+
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+		if (sndcodec_priv->mad_priv.mad_bind == 1)
+			rtd->dai_link->ignore_suspend = 1;
+	}
+#endif
+#endif
+	return 0;
+}
+
+/* disable the sndcodec suspend */
+static void sunxi_sndcodec_shutdown(struct snd_pcm_substream *substream)
+{
+#ifdef SUNXI_CODEC_MAP_TO_DAUDIO
+#ifdef CONFIG_SND_SUNXI_MAD
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+				snd_soc_card_get_drvdata(rtd->card);
+
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+		if (sndcodec_priv->mad_priv.mad_bind == 1)
+			rtd->dai_link->ignore_suspend = 0;
+	}
+#endif
+#endif
+}
+
+#ifdef SUNXI_CODEC_MAP_TO_DAUDIO
+#ifdef CONFIG_SND_SUNXI_MAD
+/* mad_bind config*/
+static int sunxi_sndcodec_set_mad_bind(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+				snd_soc_card_get_drvdata(card);
+
+	if (sunxi_mad_get_mad_info() == NULL) {
+		pr_alert("[%s] sunxi_mad driver maybe not be loaded\n", __func__);
+		sndcodec_priv->mad_priv.mad_bind = 0;
+		return 0;
+	}
+	sndcodec_priv->mad_priv.mad_bind = ucontrol->value.integer.value[0];
+
+	return 0;
+}
+
+static int sunxi_sndcodec_get_mad_bind(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+				snd_soc_card_get_drvdata(card);
+
+	ucontrol->value.integer.value[0] = sndcodec_priv->mad_priv.mad_bind;
+
+	return 0;
+}
+
+static const char *mad_bind_function[] = {"mad_unbind", "mad_bind"};
+
+static const struct soc_enum mad_bind_enum[] = {
+	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mad_bind_function),
+			mad_bind_function),
+};
+
+/*lpsd channel sel*/
+static int sunxi_sndcodec_i2s_set_lpsd_chan(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+			snd_soc_card_get_drvdata(card);
+	struct sunxi_mad_priv *mad_priv = &(sndcodec_priv->mad_priv);
+
+	mad_priv->lpsd_chan_sel = ucontrol->value.integer.value[0];
+
+	return 0;
+}
+
+static int sunxi_sndcodec_i2s_get_lpsd_chan(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+			snd_soc_card_get_drvdata(card);
+	struct sunxi_mad_priv *mad_priv = &(sndcodec_priv->mad_priv);
+
+	ucontrol->value.integer.value[0] = mad_priv->lpsd_chan_sel;
+
+	return 0;
+}
+
+static const char * const lpsd_chan_sel_function[] = {"0th_chan", "1st_chan",
+			"2nd_chan", "3rd_chan", "4th_chan", "5th_chan",
+			"6th_chan", "7th_chan", "8th_chan"};
+
+static const struct soc_enum lpsd_chan_sel_enum[] = {
+	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lpsd_chan_sel_function),
+			lpsd_chan_sel_function),
+};
+
+/*mad_standby channel sel*/
+static int sunxi_sndcodec_i2s_set_mad_standby_chan(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+			snd_soc_card_get_drvdata(card);
+	struct sunxi_mad_priv *mad_priv = &(sndcodec_priv->mad_priv);
+
+	mad_priv->mad_standby_chan_sel = ucontrol->value.integer.value[0];
+	sunxi_mad_standby_chan_sel(mad_priv->mad_standby_chan_sel);
+
+	return 0;
+}
+
+static int sunxi_sndcodec_i2s_get_mad_standby_chan(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct sunxi_sndcodec_priv *sndcodec_priv =
+			snd_soc_card_get_drvdata(card);
+	struct sunxi_mad_priv *mad_priv = &(sndcodec_priv->mad_priv);
+
+	ucontrol->value.integer.value[0] = mad_priv->mad_standby_chan_sel;
+
+	return 0;
+}
+
+static const char * const mad_standby_chan_sel_function[] = {
+	"Zero_chan", "Two_chan", "Four_chan"};
+
+static const struct soc_enum mad_standby_chan_sel_enum[] = {
+	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mad_standby_chan_sel_function),
+			mad_standby_chan_sel_function),
+};
+
+/* daudio machine kcontrols */
+static const struct snd_kcontrol_new sunxi_sndcodec_controls[] = {
+
+};
+#endif
+#endif
+
+static const struct snd_kcontrol_new sunxi_card_controls[] = {
+	SOC_DAPM_PIN_SWITCH("External Speaker"),
+	SOC_DAPM_PIN_SWITCH("Lineout"),
+
+#ifdef SUNXI_CODEC_MAP_TO_DAUDIO
+#ifdef CONFIG_SND_SUNXI_MAD
+	SOC_ENUM_EXT("sndcodec bind mad Function", mad_bind_enum[0],
+		sunxi_sndcodec_get_mad_bind, sunxi_sndcodec_set_mad_bind),
+	SOC_ENUM_EXT("lpsd channel sel Function", lpsd_chan_sel_enum[0],
+		sunxi_sndcodec_i2s_get_lpsd_chan, sunxi_sndcodec_i2s_set_lpsd_chan),
+	SOC_ENUM_EXT("mad_standby channel sel Function",
+		mad_standby_chan_sel_enum[0],
+		sunxi_sndcodec_i2s_get_mad_standby_chan,
+		sunxi_sndcodec_i2s_set_mad_standby_chan),
+#endif
+#endif
+};
+
+static const struct snd_soc_dapm_widget sunxi_card_dapm_widgets[] = {
+	SND_SOC_DAPM_MIC("Main Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route sunxi_card_routes[] = {
+	{"MainMic Bias", NULL, "Main Mic"},
+
+	{"External Speaker", NULL, "LINEOUTL"},
+	{"External Speaker", NULL, "LINEOUTR"},
+
+	{"Lineout", NULL, "LINEOUTL"},
+	{"Lineout", NULL, "LINEOUTR"},
+};
+
+/*
+ * Card initialization
+ */
+static int sunxi_card_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_codec *codec = rtd->codec;
+
+	snd_soc_dapm_disable_pin(&codec->component.dapm, "External Speaker");
+	snd_soc_dapm_disable_pin(&codec->component.dapm, "Lineout");
+
+	snd_soc_dapm_sync(&codec->component.dapm);
+	return 0;
+}
+
+static int sunxi_card_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_card *card = rtd->card;
+	unsigned int freq;
+	unsigned int clk_div;
+	unsigned int div_id;
+	int ret;
+
+	switch (params_rate(params)) {
+	case	8000:
+	case	12000:
+	case	16000:
+	case	24000:
+	case	32000:
+	case	48000:
+	case	96000:
+	case	192000:
+		freq = 24576000;
+		break;
+	case	11025:
+	case	22050:
+	case	44100:
+		freq = 22579200;
+		break;
+	default:
+		dev_err(card->dev, "invalid rate setting\n");
+		return -EINVAL;
+	}
+
+	dev_err(card->dev, "set codec dai sysclk:%d.\n", freq);
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, freq, 0);
+	if (ret < 0) {
+		dev_err(card->dev, "set codec dai sysclk faided.\n");
+		return ret;
+	}
+
+	/* set system clk div */
+	clk_div = freq / params_rate(params);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		div_id = CODEC_DIV_PLAYBACK;
+	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+		div_id = CODEC_DIV_CAPTURE;
+
+	ret = snd_soc_dai_set_clkdiv(codec_dai, div_id, clk_div);
+	if (ret < 0) {
+		dev_warn(card->dev, "codec_dai set clkdiv failed\n");
+		return ret;
+	}
+
+
+	return 0;
+}
+
+static struct snd_soc_ops sunxi_card_ops = {
+	.hw_params	= sunxi_card_hw_params,
+	.startup = sunxi_sndcodec_startup,
+	.shutdown = sunxi_sndcodec_shutdown,
+};
+
+static int sunxi_card_suspend(struct snd_soc_card *card)
+{
+	return 0;
+}
+
+static int sunxi_card_resume(struct snd_soc_card *card)
+{
+	return 0;
+}
+
+static struct snd_soc_dai_link sunxi_card_dai_link[] = {
+	{
+		.name		= "audiocodec",
+		.stream_name	= "SUNXI-CODEC",
+		.cpu_dai_name	= "sunxi-internal-cpudai",
+		.codec_dai_name = "sun8iw18codec",
+		.platform_name	= "sunxi-internal-cpudai",
+		.codec_name	= "sunxi-internal-codec",
+		.init		= sunxi_card_init,
+		.ops		= &sunxi_card_ops,
+	},
+};
+
+static struct snd_soc_card snd_soc_sunxi_card = {
+	.name		= "audiocodec",
+	.owner		= THIS_MODULE,
+	.dai_link	= sunxi_card_dai_link,
+	.num_links	= ARRAY_SIZE(sunxi_card_dai_link),
+	.controls	= sunxi_card_controls,
+	.num_controls	= ARRAY_SIZE(sunxi_card_controls),
+	.dapm_widgets	= sunxi_card_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(sunxi_card_dapm_widgets),
+	.dapm_routes = sunxi_card_routes,
+	.num_dapm_routes = ARRAY_SIZE(sunxi_card_routes),
+	.suspend_post	= sunxi_card_suspend,
+	.resume_post	= sunxi_card_resume,
+};
+
+static int sunxi_card_dev_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct snd_soc_card *card = &snd_soc_sunxi_card;
+	struct sunxi_sndcodec_priv *sndcodec_priv;
+	int ret = 0;
+
+	sndcodec_priv = devm_kzalloc(&pdev->dev,
+		sizeof(struct sunxi_sndcodec_priv), GFP_KERNEL);
+	if (!sndcodec_priv)
+		return -ENOMEM;
+
+	sunxi_card_dai_link[0].cpu_dai_name = NULL;
+	sunxi_card_dai_link[0].cpu_of_node = of_parse_phandle(np,
+					"sunxi,cpudai-controller", 0);
+	if (!sunxi_card_dai_link[0].cpu_of_node) {
+		dev_err(&pdev->dev, "Property 'sunxi,cpudai-controller' missing or invalid\n");
+		ret = -EINVAL;
+		goto err_devm_kfree;
+	} else {
+		sunxi_card_dai_link[0].platform_name = NULL;
+		sunxi_card_dai_link[0].platform_of_node =
+				sunxi_card_dai_link[0].cpu_of_node;
+	}
+	sunxi_card_dai_link[0].codec_name = NULL;
+	sunxi_card_dai_link[0].codec_of_node = of_parse_phandle(np,
+						"sunxi,audio-codec", 0);
+	if (!sunxi_card_dai_link[0].codec_of_node) {
+		dev_err(&pdev->dev, "Property 'sunxi,audio-codec' missing or invalid\n");
+		ret = -EINVAL;
+		goto err_devm_kfree;
+	}
+
+	/* register the soc card */
+	card->dev = &pdev->dev;
+
+	snd_soc_card_set_drvdata(card, sndcodec_priv);
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret);
+		goto err_devm_kfree;
+	}
+
+	return 0;
+
+err_devm_kfree:
+	devm_kfree(&pdev->dev, sndcodec_priv);
+	return ret;
+}
+
+static int __exit sunxi_card_dev_remove(struct platform_device *pdev)
+{
+	struct sunxi_sndcodec_priv *sndcodec_priv = dev_get_drvdata(&pdev->dev);
+
+	snd_soc_unregister_card(&snd_soc_sunxi_card);
+	devm_kfree(&pdev->dev, sndcodec_priv);
+
+	return 0;
+}
+
+static const struct of_device_id sunxi_card_of_match[] = {
+	{ .compatible = "allwinner,sunxi-codec-machine", },
+	{},
+};
+
+static struct platform_driver sunxi_machine_driver = {
+	.driver = {
+		.name = "sunxi-codec-machine",
+		.owner = THIS_MODULE,
+		.pm = &snd_soc_pm_ops,
+		.of_match_table = sunxi_card_of_match,
+	},
+	.probe = sunxi_card_dev_probe,
+	.remove = __exit_p(sunxi_card_dev_remove),
+};
+
+module_platform_driver(sunxi_machine_driver);
+
+MODULE_AUTHOR("wolfgang huang <huangjinhui@allwinnertech.com>");
+MODULE_DESCRIPTION("SUNXI Codec Machine ASoC driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sunxi-codec-machine");