1 files changed, 321 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c
new file mode 100644
index 000000000..94a9bbf14
--- /dev/null
+++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c
@@ -0,0 +1,321 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
+ *
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Koro Chen <koro.chen@mediatek.com>
+ */
+
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include "../../codecs/rt5645.h"
+#include "../../codecs/rt5677.h"
+
+#define MCLK_FOR_CODECS		12288000
+
+static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
+	SND_SOC_DAPM_SPK("Speaker", NULL),
+	SND_SOC_DAPM_MIC("Int Mic", NULL),
+	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
+	{"Speaker", NULL, "SPOL"},
+	{"Speaker", NULL, "SPOR"},
+	{"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
+	{"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
+	{"Sub DMIC R1", NULL, "Int Mic"},
+	{"Headphone", NULL, "HPOL"},
+	{"Headphone", NULL, "HPOR"},
+	{"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
+	{"IN1P", NULL, "Headset Mic"},
+	{"IN1N", NULL, "Headset Mic"},
+	{"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
+};
+
+static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Speaker"),
+	SOC_DAPM_PIN_SWITCH("Int Mic"),
+	SOC_DAPM_PIN_SWITCH("Headphone"),
+	SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
+					  struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai;
+	int i, ret;
+
+	for_each_rtd_codec_dais(rtd, i, codec_dai) {
+		/* pll from mclk 12.288M */
+		ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
+					  params_rate(params) * 512);
+		if (ret)
+			return ret;
+
+		/* sysclk from pll */
+		ret = snd_soc_dai_set_sysclk(codec_dai, 1,
+					     params_rate(params) * 512,
+					     SND_SOC_CLOCK_IN);
+		if (ret)
+			return ret;
+	}
+	return 0;
+}
+
+static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
+	.hw_params = mt8173_rt5650_rt5676_hw_params,
+};
+
+static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
+
+static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
+{
+	struct snd_soc_card *card = runtime->card;
+	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
+	struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component;
+	int ret;
+
+	rt5645_sel_asrc_clk_src(component,
+				RT5645_DA_STEREO_FILTER |
+				RT5645_AD_STEREO_FILTER,
+				RT5645_CLK_SEL_I2S1_ASRC);
+	rt5677_sel_asrc_clk_src(component_sub,
+				RT5677_DA_STEREO_FILTER |
+				RT5677_AD_STEREO1_FILTER,
+				RT5677_CLK_SEL_I2S1_ASRC);
+	rt5677_sel_asrc_clk_src(component_sub,
+				RT5677_AD_STEREO2_FILTER |
+				RT5677_I2S2_SOURCE,
+				RT5677_CLK_SEL_I2S2_ASRC);
+
+	/* enable jack detection */
+	ret = snd_soc_card_jack_new(card, "Headset Jack",
+				    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
+				    &mt8173_rt5650_rt5676_jack, NULL, 0);
+	if (ret) {
+		dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
+		return ret;
+	}
+
+	return rt5645_set_jack_detect(component,
+				      &mt8173_rt5650_rt5676_jack,
+				      &mt8173_rt5650_rt5676_jack,
+				      &mt8173_rt5650_rt5676_jack);
+}
+
+
+enum {
+	DAI_LINK_PLAYBACK,
+	DAI_LINK_CAPTURE,
+	DAI_LINK_HDMI,
+	DAI_LINK_CODEC_I2S,
+	DAI_LINK_HDMI_I2S,
+	DAI_LINK_INTERCODEC
+};
+
+SND_SOC_DAILINK_DEFS(playback,
+	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture,
+	DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hdmi_pcm,
+	DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(codec,
+	DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
+			   COMP_CODEC(NULL, "rt5677-aif1")),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hdmi_be,
+	DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(intercodec,
+	DAILINK_COMP_ARRAY(COMP_DUMMY()),
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
+	DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
+/* Digital audio interface glue - connects codec <---> CPU */
+static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
+	/* Front End DAI links */
+	[DAI_LINK_PLAYBACK] = {
+		.name = "rt5650_rt5676 Playback",
+		.stream_name = "rt5650_rt5676 Playback",
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		SND_SOC_DAILINK_REG(playback),
+	},
+	[DAI_LINK_CAPTURE] = {
+		.name = "rt5650_rt5676 Capture",
+		.stream_name = "rt5650_rt5676 Capture",
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dynamic = 1,
+		.dpcm_capture = 1,
+		SND_SOC_DAILINK_REG(capture),
+	},
+	[DAI_LINK_HDMI] = {
+		.name = "HDMI",
+		.stream_name = "HDMI PCM",
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		SND_SOC_DAILINK_REG(hdmi_pcm),
+	},
+
+	/* Back End DAI links */
+	[DAI_LINK_CODEC_I2S] = {
+		.name = "Codec",
+		.no_pcm = 1,
+		.init = mt8173_rt5650_rt5676_init,
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			   SND_SOC_DAIFMT_CBS_CFS,
+		.ops = &mt8173_rt5650_rt5676_ops,
+		.ignore_pmdown_time = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		SND_SOC_DAILINK_REG(codec),
+	},
+	[DAI_LINK_HDMI_I2S] = {
+		.name = "HDMI BE",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		SND_SOC_DAILINK_REG(hdmi_be),
+	},
+	/* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
+	[DAI_LINK_INTERCODEC] = {
+		.name = "rt5650_rt5676 intercodec",
+		.stream_name = "rt5650_rt5676 intercodec",
+		.no_pcm = 1,
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			   SND_SOC_DAIFMT_CBM_CFM,
+		SND_SOC_DAILINK_REG(intercodec),
+	},
+};
+
+static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
+	{
+		.name_prefix = "Sub",
+	},
+};
+
+static struct snd_soc_card mt8173_rt5650_rt5676_card = {
+	.name = "mtk-rt5650-rt5676",
+	.owner = THIS_MODULE,
+	.dai_link = mt8173_rt5650_rt5676_dais,
+	.num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
+	.codec_conf = mt8173_rt5650_rt5676_codec_conf,
+	.num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
+	.controls = mt8173_rt5650_rt5676_controls,
+	.num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
+	.dapm_widgets = mt8173_rt5650_rt5676_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
+	.dapm_routes = mt8173_rt5650_rt5676_routes,
+	.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
+};
+
+static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
+	struct device_node *platform_node;
+	struct snd_soc_dai_link *dai_link;
+	int i, ret;
+
+	platform_node = of_parse_phandle(pdev->dev.of_node,
+					 "mediatek,platform", 0);
+	if (!platform_node) {
+		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
+		return -EINVAL;
+	}
+
+	for_each_card_prelinks(card, i, dai_link) {
+		if (dai_link->platforms->name)
+			continue;
+		dai_link->platforms->of_node = platform_node;
+	}
+
+	mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
+		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
+	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
+		dev_err(&pdev->dev,
+			"Property 'audio-codec' missing or invalid\n");
+		ret = -EINVAL;
+		goto put_node;
+	}
+	mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
+		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
+	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
+		dev_err(&pdev->dev,
+			"Property 'audio-codec' missing or invalid\n");
+		ret = -EINVAL;
+		goto put_node;
+	}
+	mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
+		mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
+
+	mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
+		mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
+
+	mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
+		of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
+	if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
+		dev_err(&pdev->dev,
+			"Property 'audio-codec' missing or invalid\n");
+		ret = -EINVAL;
+		goto put_node;
+	}
+
+	card->dev = &pdev->dev;
+
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
+	if (ret)
+		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
+			__func__, ret);
+
+put_node:
+	of_node_put(platform_node);
+	return ret;
+}
+
+static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
+	{ .compatible = "mediatek,mt8173-rt5650-rt5676", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
+
+static struct platform_driver mt8173_rt5650_rt5676_driver = {
+	.driver = {
+		   .name = "mtk-rt5650-rt5676",
+		   .of_match_table = mt8173_rt5650_rt5676_dt_match,
+#ifdef CONFIG_PM
+		   .pm = &snd_soc_pm_ops,
+#endif
+	},
+	.probe = mt8173_rt5650_rt5676_dev_probe,
+};
+
+module_platform_driver(mt8173_rt5650_rt5676_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
+MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:mtk-rt5650-rt5676");
+