ASoC: rockchip: add rt5651_tc358749x driver

add rockchip_rt5651_tc358749x machine driver to
support HDMIIn function

Change-Id: Ieb0e046bec60ea0a27ee49ce1204b032ad646724
Signed-off-by: LuoXiaoTan <lxt@rock-chips.com>

sound/soc/rockchip/Kconfig

@@ -70,6 +70,16 @@ config SND_SOC_ROCKCHIP_RT5645
 	  Say Y or M here if you want to add support for SoC audio on Rockchip
 	  boards using the RT5645/RT5650 codec, such as Veyron.
 
+config SND_SOC_ROCKCHIP_RT5651_TC358749
+	tristate "ASoC support for Rockchip boards RT5651 TC358749 HDMIIN"
+	depends on SND_SOC_ROCKCHIP && I2C && GPIOLIB && CLKDEV_LOOKUP
+	select SND_SOC_ROCKCHIP_I2S
+	select SND_SOC_RT5651
+	select SND_SOC_TC358749X
+	help
+	  Say Y or M here if you want to add support for SoC audio on Rockchip
+	  boards for RT5651 TC358749 HDMIIn
+
 config SND_SOC_ROCKCHIP_CDNDP
 	tristate "ASoC support for Rockchip CDN DP common codec"
 	depends on SND_SOC_ROCKCHIP && CLKDEV_LOOKUP

sound/soc/rockchip/Makefile

@@ -11,10 +11,12 @@ snd-soc-rockchip-da7219-objs := rockchip_da7219.o
 snd-soc-rockchip-hdmi-dp-objs := rockchip_hdmi_dp.o
 snd-soc-rockchip-max98090-objs := rockchip_max98090.o
 snd-soc-rockchip-rt5645-objs := rockchip_rt5645.o
+snd-soc-rockchip-rt5651-tc358749x-objs := rockchip_rt5651_tc358749x.o
 snd-soc-rockchip-cdndp-objs := rockchip_cdndp.o
 
 obj-$(CONFIG_SND_SOC_ROCKCHIP_DA7219) += snd-soc-rockchip-da7219.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_HDMI_DP) += snd-soc-rockchip-hdmi-dp.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_MAX98090) += snd-soc-rockchip-max98090.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5645) += snd-soc-rockchip-rt5645.o
+obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5651_TC358749) += snd-soc-rockchip-rt5651-tc358749x.o
 obj-$(CONFIG_SND_SOC_ROCKCHIP_CDNDP) += snd-soc-rockchip-cdndp.o

sound/soc/rockchip/rockchip_rt5651_tc358749x.c

@@ -0,0 +1,249 @@
+/*
+ * rockchip_rt5651_tc358749x.c  --  RK3399 machine driver with
+ * RT5651/TC358749 codecs
+ *
+ * Copyright (c) 2016, ROCKCHIP CORPORATION.  All rights reserved.
+ * Author: Xiaotan Luo <lxt@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include "rockchip_i2s.h"
+#include "../codecs/rt5651.h"
+#include "../codecs/tc358749x.h"
+
+#define DRV_NAME "rk3399-rt5651-tc358749x"
+
+static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
+	SND_SOC_DAPM_HP("Headphones", NULL),
+	SND_SOC_DAPM_SPK("Lineout", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Int Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route rockchip_dapm_routes[] = {
+	{"Headphones", NULL, "HPOL"},
+	{"Headphones", NULL, "HPOR"},
+	{"Lineout", NULL, "LOUTL"},
+	{"Lineout", NULL, "LOUTR"},
+};
+
+static const struct snd_kcontrol_new rockchip_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Headphones"),
+	SOC_DAPM_PIN_SWITCH("Lineout"),
+	SOC_DAPM_PIN_SWITCH("Headset Mic"),
+	SOC_DAPM_PIN_SWITCH("Int Mic"),
+};
+
+static int rockchip_rt5651_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 *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	int mclk, ret;
+
+	/* in bypass mode, the mclk has to be one of the frequencies below */
+	switch (params_rate(params)) {
+	case 8000:
+	case 16000:
+	case 24000:
+	case 32000:
+	case 48000:
+	case 64000:
+	case 96000:
+		mclk = 12288000;
+		break;
+	case 11025:
+	case 22050:
+	case 44100:
+	case 88200:
+		mclk = 11289600;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, SND_SOC_CLOCK_OUT);
+	if (ret < 0) {
+		dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int rockchip_rt5651_voice_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;
+	int mclk, ret;
+
+	/* in bypass mode, the mclk has to be one of the frequencies below */
+	switch (params_rate(params)) {
+	case 8000:
+	case 16000:
+	case 24000:
+	case 32000:
+	case 48000:
+	case 64000:
+	case 96000:
+		mclk = 12288000;
+		break;
+	case 11025:
+	case 22050:
+	case 44100:
+	case 88200:
+		mclk = 11289600;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/*Set the system clk for codec*/
+	snd_soc_dai_set_pll(codec_dai, 0, RT5651_PLL1_S_MCLK, mclk, 24576000);
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, 24576000,
+				     SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
+		return ret;
+	}
+	return 0;
+}
+
+static struct snd_soc_ops rockchip_sound_rt5651_hifi_ops = {
+	.hw_params = rockchip_rt5651_hw_params,
+};
+
+static struct snd_soc_ops rockchip_sound_rt5651_voice_ops = {
+	.hw_params = rockchip_rt5651_voice_hw_params,
+};
+
+enum {
+	DAILINK_RT5651_HIFI,
+	DAILINK_RT5651_VOICE,
+	DAILINK_TC358749_HDMIIN,
+};
+
+#define DAILINK_ENTITIES	(DAILINK_TC358749_HDMIIN + 1)
+
+static struct snd_soc_dai_link rockchip_dailinks[] = {
+	[DAILINK_RT5651_HIFI] = {
+		.name = "RT5651 HIFI",
+		.stream_name = "RT5651 PCM",
+		.codec_dai_name = "rt5651-aif1",
+		.ops = &rockchip_sound_rt5651_hifi_ops,
+		/* set rt5651 as slave */
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_CBS_CFS,
+	},
+	[DAILINK_RT5651_VOICE] = {
+		.name = "RT5651 HDMIIN",
+		.stream_name = "RT5651 PCM",
+		.codec_dai_name = "rt5651-aif2",
+		.ops = &rockchip_sound_rt5651_voice_ops,
+		/* set rt5651 as slave */
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_CBS_CFS,
+	},
+	[DAILINK_TC358749_HDMIIN] = {
+		.name = "TC358749 HDMIIN",
+		.stream_name = "TC358749 PCM",
+		.codec_dai_name = "tc358749x-audio",
+	},
+};
+
+static struct snd_soc_card rockchip_sound_card = {
+	.name = "realtekrt5651codec_hdmiin",
+	.owner = THIS_MODULE,
+	.dai_link = rockchip_dailinks,
+	.num_links =  ARRAY_SIZE(rockchip_dailinks),
+	.dapm_widgets = rockchip_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
+	.dapm_routes = rockchip_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
+	.controls = rockchip_controls,
+	.num_controls = ARRAY_SIZE(rockchip_controls),
+};
+
+static int rockchip_sound_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &rockchip_sound_card;
+	struct device_node *cpu_node;
+	int i, ret;
+
+	dev_info(&pdev->dev, "%s\n", __func__);
+
+	cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
+	if (!cpu_node) {
+		dev_err(&pdev->dev,
+			"Property 'rockchip,cpu' failed\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < DAILINK_ENTITIES; i++) {
+		rockchip_dailinks[i].platform_of_node = cpu_node;
+		rockchip_dailinks[i].cpu_of_node = cpu_node;
+
+		rockchip_dailinks[i].codec_of_node =
+			of_parse_phandle(pdev->dev.of_node,
+					 "rockchip,codec", i);
+		if (!rockchip_dailinks[i].codec_of_node) {
+			dev_err(&pdev->dev,
+				"Property[%d] 'rockchip,codec' failed\n", i);
+			return -EINVAL;
+		}
+	}
+
+	card->dev = &pdev->dev;
+	platform_set_drvdata(pdev, card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
+	if (ret)
+		dev_err(&pdev->dev, "%s register card failed %d\n",
+			__func__, ret);
+
+	dev_info(&pdev->dev, "snd_soc_register_card successful\n");
+	return ret;
+}
+
+static const struct of_device_id rockchip_sound_of_match[] = {
+	{ .compatible = "rockchip,rockchip-rt5651-tc358749x-sound", },
+	{},
+};
+
+static struct platform_driver rockchip_sound_driver = {
+	.probe = rockchip_sound_probe,
+	.driver = {
+		.name = DRV_NAME,
+		.of_match_table = rockchip_sound_of_match,
+#ifdef CONFIG_PM
+		.pm = &snd_soc_pm_ops,
+#endif
+	},
+};
+
+module_platform_driver(rockchip_sound_driver);
+
+MODULE_AUTHOR("Xiaotan Luo <lxt@rock-chips.com>");
+MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);