ASoC: Mediatek: MT8183: Add machine driver with DA7219

This patch adds support for the machine board with
mt6358, da7219 and max98357 codecs.
Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -129,6 +129,19 @@ config SND_SOC_MT8183_MT6358_TS3A227E_MAX98357A
 	  Select Y if you have such device.
 	  If unsure select "N".
 
+config SND_SOC_MT8183_DA7219_MAX98357A
+	tristate "ASoC Audio driver for MT8183 with DA7219 MAX98357A codec"
+	depends on SND_SOC_MT8183
+	select SND_SOC_MT6358
+	select SND_SOC_MAX98357A
+	select SND_SOC_DA7219
+	select SND_SOC_BT_SCO
+	help
+	  This adds ASoC driver for Mediatek MT8183 boards
+	  with the DA7219 MAX98357A audio codec.
+	  Select Y if you have such device.
+	  If unsure select "N".
+
 config SND_SOC_MTK_BTCVSD
 	tristate "ALSA BT SCO CVSD/MSBC Driver"
 	help

sound/soc/mediatek/mt8183/Makefile

@@ -12,3 +12,4 @@ snd-soc-mt8183-afe-objs := \
 
 obj-$(CONFIG_SND_SOC_MT8183) += snd-soc-mt8183-afe.o
 obj-$(CONFIG_SND_SOC_MT8183_MT6358_TS3A227E_MAX98357A) += mt8183-mt6358-ts3a227-max98357.o
+obj-$(CONFIG_SND_SOC_MT8183_DA7219_MAX98357A) += mt8183-da7219-max98357.o

sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c

+// SPDX-License-Identifier: GPL-2.0
+//
+// mt8183-da7219-max98357.c
+//	--  MT8183-DA7219-MAX98357 ALSA SoC machine driver
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: Shunli Wang <shunli.wang@mediatek.com>
+
+#include <linux/module.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <linux/pinctrl/consumer.h>
+
+#include "mt8183-afe-common.h"
+#include "../../codecs/da7219-aad.h"
+#include "../../codecs/da7219.h"
+
+static struct snd_soc_jack headset_jack;
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin headset_jack_pins[] = {
+	{
+		.pin = "Headphone",
+		.mask = SND_JACK_HEADPHONE,
+	},
+	{
+		.pin = "Headset Mic",
+		.mask = SND_JACK_MICROPHONE,
+	},
+};
+
+static struct snd_soc_dai_link_component
+mt8183_da7219_max98357_external_codecs[] = {
+	{
+		.name = "max98357a",
+		.dai_name = "HiFi",
+	},
+	{
+		.name = "da7219.5-001a",
+		.dai_name = "da7219-hifi",
+	},
+};
+
+static int mt8183_mt6358_i2s_hw_params(struct snd_pcm_substream *substream,
+				       struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	unsigned int rate = params_rate(params);
+	unsigned int mclk_fs_ratio = 128;
+	unsigned int mclk_fs = rate * mclk_fs_ratio;
+
+	return snd_soc_dai_set_sysclk(rtd->cpu_dai,
+				      0, mclk_fs, SND_SOC_CLOCK_OUT);
+}
+
+static const struct snd_soc_ops mt8183_mt6358_i2s_ops = {
+	.hw_params = mt8183_mt6358_i2s_hw_params,
+};
+
+static int mt8183_da7219_i2s_hw_params(struct snd_pcm_substream *substream,
+				       struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	unsigned int rate = params_rate(params);
+	unsigned int mclk_fs_ratio = 256;
+	unsigned int mclk_fs = rate * mclk_fs_ratio;
+	unsigned int freq;
+	int ret = 0, j;
+
+	ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0,
+				     mclk_fs, SND_SOC_CLOCK_OUT);
+	if (ret < 0)
+		dev_err(rtd->dev, "failed to set cpu dai sysclk\n");
+
+	for (j = 0; j < rtd->num_codecs; j++) {
+		struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+
+		if (!strcmp(codec_dai->component->name, "da7219.5-001a")) {
+			ret = snd_soc_dai_set_sysclk(codec_dai,
+						     DA7219_CLKSRC_MCLK,
+						     mclk_fs,
+						     SND_SOC_CLOCK_IN);
+			if (ret < 0)
+				dev_err(rtd->dev, "failed to set sysclk\n");
+
+			if ((rate % 8000) == 0)
+				freq = DA7219_PLL_FREQ_OUT_98304;
+			else
+				freq = DA7219_PLL_FREQ_OUT_90316;
+
+			ret = snd_soc_dai_set_pll(codec_dai, 0,
+						  DA7219_SYSCLK_PLL_SRM,
+						  0, freq);
+			if (ret)
+				dev_err(rtd->dev, "failed to start PLL: %d\n",
+					ret);
+		}
+	}
+
+	return ret;
+}
+
+static int mt8183_da7219_hw_free(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	int ret = 0, j;
+
+	for (j = 0; j < rtd->num_codecs; j++) {
+		struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+
+		if (!strcmp(codec_dai->component->name, "da7219.5-001a")) {
+			ret = snd_soc_dai_set_pll(codec_dai,
+						  0, DA7219_SYSCLK_MCLK, 0, 0);
+			if (ret < 0) {
+				dev_err(rtd->dev, "failed to stop PLL: %d\n",
+					ret);
+				break;
+			}
+		}
+	}
+
+	return ret;
+}
+
+static const struct snd_soc_ops mt8183_da7219_i2s_ops = {
+	.hw_params = mt8183_da7219_i2s_hw_params,
+	.hw_free = mt8183_da7219_hw_free,
+};
+
+static int mt8183_i2s_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+				      struct snd_pcm_hw_params *params)
+{
+	/* fix BE i2s format to 32bit, clean param mask first */
+	snd_mask_reset_range(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT),
+			     0, SNDRV_PCM_FORMAT_LAST);
+
+	params_set_format(params, SNDRV_PCM_FORMAT_S32_LE);
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget
+mt8183_da7219_max98357_dapm_widgets[] = {
+	SND_SOC_DAPM_OUTPUT("IT6505_8CH"),
+};
+
+static const struct snd_soc_dapm_route mt8183_da7219_max98357_dapm_routes[] = {
+	{"IT6505_8CH", NULL, "TDM"},
+};
+
+static struct snd_soc_dai_link mt8183_da7219_max98357_dai_links[] = {
+	/* FE */
+	{
+		.name = "Playback_1",
+		.stream_name = "Playback_1",
+		.cpu_dai_name = "DL1",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_playback = 1,
+	},
+	{
+		.name = "Playback_2",
+		.stream_name = "Playback_2",
+		.cpu_dai_name = "DL2",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_playback = 1,
+	},
+	{
+		.name = "Playback_3",
+		.stream_name = "Playback_3",
+		.cpu_dai_name = "DL3",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_playback = 1,
+	},
+	{
+		.name = "Capture_1",
+		.stream_name = "Capture_1",
+		.cpu_dai_name = "UL1",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_capture = 1,
+	},
+	{
+		.name = "Capture_2",
+		.stream_name = "Capture_2",
+		.cpu_dai_name = "UL2",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_capture = 1,
+	},
+	{
+		.name = "Capture_3",
+		.stream_name = "Capture_3",
+		.cpu_dai_name = "UL3",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_capture = 1,
+	},
+	{
+		.name = "Capture_Mono_1",
+		.stream_name = "Capture_Mono_1",
+		.cpu_dai_name = "UL_MONO_1",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_capture = 1,
+	},
+	{
+		.name = "Playback_HDMI",
+		.stream_name = "Playback_HDMI",
+		.cpu_dai_name = "HDMI",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
+			    SND_SOC_DPCM_TRIGGER_PRE},
+		.dynamic = 1,
+		.dpcm_playback = 1,
+	},
+	/* BE */
+	{
+		.name = "Primary Codec",
+		.cpu_dai_name = "ADDA",
+		.codec_dai_name = "mt6358-snd-codec-aif1",
+		.codec_name = "mt6358-sound",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.ignore_suspend = 1,
+	},
+	{
+		.name = "PCM 1",
+		.cpu_dai_name = "PCM 1",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.ignore_suspend = 1,
+	},
+	{
+		.name = "PCM 2",
+		.cpu_dai_name = "PCM 2",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.ignore_suspend = 1,
+	},
+	{
+		.name = "I2S0",
+		.cpu_dai_name = "I2S0",
+		.codec_dai_name = "bt-sco-pcm",
+		.codec_name = "bt-sco",
+		.no_pcm = 1,
+		.dpcm_capture = 1,
+		.ignore_suspend = 1,
+		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
+		.ops = &mt8183_mt6358_i2s_ops,
+	},
+	{
+		.name = "I2S1",
+		.cpu_dai_name = "I2S1",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.ignore_suspend = 1,
+		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
+		.ops = &mt8183_mt6358_i2s_ops,
+	},
+	{
+		.name = "I2S2",
+		.cpu_dai_name = "I2S2",
+		.codec_dai_name = "da7219-hifi",
+		.codec_name = "da7219.5-001a",
+		.no_pcm = 1,
+		.dpcm_capture = 1,
+		.ignore_suspend = 1,
+		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
+		.ops = &mt8183_da7219_i2s_ops,
+	},
+	{
+		.name = "I2S3",
+		.cpu_dai_name = "I2S3",
+		.codecs = mt8183_da7219_max98357_external_codecs,
+		.num_codecs =
+			ARRAY_SIZE(mt8183_da7219_max98357_external_codecs),
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.ignore_suspend = 1,
+		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
+		.ops = &mt8183_da7219_i2s_ops,
+	},
+	{
+		.name = "I2S5",
+		.cpu_dai_name = "I2S5",
+		.codec_dai_name = "bt-sco-pcm",
+		.codec_name = "bt-sco",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.ignore_suspend = 1,
+		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
+		.ops = &mt8183_mt6358_i2s_ops,
+	},
+	{
+		.name = "TDM",
+		.cpu_dai_name = "TDM",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.ignore_suspend = 1,
+	},
+};
+
+static int
+mt8183_da7219_max98357_headset_init(struct snd_soc_component *component);
+
+static struct snd_soc_aux_dev mt8183_da7219_max98357_headset_dev = {
+	.name = "Headset Chip",
+	.init = mt8183_da7219_max98357_headset_init,
+};
+
+static struct snd_soc_codec_conf mt6358_codec_conf[] = {
+	{
+		.dev_name = "mt6358-sound",
+		.name_prefix = "Mt6358",
+	},
+};
+
+static struct snd_soc_card mt8183_da7219_max98357_card = {
+	.name = "mt8183_da7219_max98357",
+	.owner = THIS_MODULE,
+	.dai_link = mt8183_da7219_max98357_dai_links,
+	.num_links = ARRAY_SIZE(mt8183_da7219_max98357_dai_links),
+	.aux_dev = &mt8183_da7219_max98357_headset_dev,
+	.num_aux_devs = 1,
+	.codec_conf = mt6358_codec_conf,
+	.num_configs = ARRAY_SIZE(mt6358_codec_conf),
+};
+
+static int
+mt8183_da7219_max98357_headset_init(struct snd_soc_component *component)
+{
+	int ret;
+
+	/* Enable Headset and 4 Buttons Jack detection */
+	ret = snd_soc_card_jack_new(&mt8183_da7219_max98357_card,
+				    "Headset Jack",
+				    SND_JACK_HEADSET |
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
+				    &headset_jack,
+				    headset_jack_pins,
+				    ARRAY_SIZE(headset_jack_pins));
+	if (ret)
+		return ret;
+
+	da7219_aad_jack_det(component, &headset_jack);
+
+	return ret;
+}
+
+static int mt8183_da7219_max98357_dev_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &mt8183_da7219_max98357_card;
+	struct device_node *platform_node;
+	struct snd_soc_dai_link *dai_link;
+	struct pinctrl *default_pins;
+	int ret, i;
+
+	card->dev = &pdev->dev;
+
+	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) {
+		/* In the alsa soc-core, the "platform" will be
+		 * allocated by devm_kzalloc if null.
+		 * There is a special case that registerring
+		 * sound card is failed at the first time, but
+		 * the "platform" will not null when probe is trying
+		 * again. It's not expected normally.
+		 */
+		dai_link->platform = NULL;
+
+		if (dai_link->platform_name)
+			continue;
+		dai_link->platform_of_node = platform_node;
+	}
+
+	mt8183_da7219_max98357_headset_dev.codec_of_node =
+		of_parse_phandle(pdev->dev.of_node,
+				 "mediatek,headset-codec", 0);
+	if (!mt8183_da7219_max98357_headset_dev.codec_of_node) {
+		dev_err(&pdev->dev,
+			"Property 'mediatek,headset-codec' missing/invalid\n");
+		return -EINVAL;
+	}
+
+	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);
+		return ret;
+	}
+
+	default_pins =
+		devm_pinctrl_get_select(&pdev->dev, PINCTRL_STATE_DEFAULT);
+	if (IS_ERR(default_pins)) {
+		dev_err(&pdev->dev, "%s set pins failed\n",
+			__func__);
+		return PTR_ERR(default_pins);
+	}
+
+	return ret;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id mt8183_da7219_max98357_dt_match[] = {
+	{.compatible = "mediatek,mt8183_da7219_max98357",},
+	{}
+};
+#endif
+
+static struct platform_driver mt8183_da7219_max98357_driver = {
+	.driver = {
+		.name = "mt8183_da7219_max98357",
+		.owner = THIS_MODULE,
+#ifdef CONFIG_OF
+		.of_match_table = mt8183_da7219_max98357_dt_match,
+#endif
+	},
+	.probe = mt8183_da7219_max98357_dev_probe,
+};
+
+module_platform_driver(mt8183_da7219_max98357_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT8183-DA7219-MAX98357 ALSA SoC machine driver");
+MODULE_AUTHOR("Shunli Wang <shunli.wang@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("mt8183_da7219_max98357 soc card");
+