Thread (1 message) 1 message, 1 author, 2019-03-05

[PATCH 1/2] ASoC: mediatek: mt8183: add mt8183-mt6358 machine driver

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From: Shunli Wang <hidden>
Date: 2019-03-05 04:06:44
Also in: alsa-devel
Subsystem: sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers: Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds

Possibly related (same subject, not in this thread)

The board uses mt8183 as SoC and codec as mt6358.
Between SoC and codec, a mtk-properity audio inferface
is used.

Signed-off-by: Shunli Wang <shunli.wang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
---
 sound/soc/mediatek/Kconfig                |  10 ++
 sound/soc/mediatek/mt8183/mt8183-mt6358.c | 201 ++++++++++++++++++++++++++++++
 2 files changed, 211 insertions(+)
 create mode 100644 sound/soc/mediatek/mt8183/mt8183-mt6358.c
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index b35410e..c1d402a 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -116,6 +116,16 @@ config SND_SOC_MT8183
 	  Select Y if you have such device.
 	  If unsure select "N".
 
+config SND_SOC_MT8183_MT6358
+	tristate "ASoc Audio driver for MT8183 with MT6358 codec"
+	depends on SND_SOC_MT8183 && MTK_PMIC_WRAP
+	select SND_SOC_MT8183
+	help
+	  This adds ASoC driver for Mediatek MT8183 boards
+	  with the MT6358 codecs.
+	  Select Y if you have such device.
+	  If unsure select "N".
+
 config SND_SOC_MTK_BTCVSD
 	tristate "ALSA BT SCO CVSD/MSBC Driver"
 	help
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358.c b/sound/soc/mediatek/mt8183/mt8183-mt6358.c
new file mode 100644
index 0000000..08366bc
--- /dev/null
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358.c
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// mt8183-mt6358.c
+//	--  MT8183-MT6358 ALSA SoC machine driver
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
+
+#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"
+
+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 struct snd_soc_dai_link mt8183_mt6358_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,
+	},
+	/* BE */
+	{
+		.name = "Primary Codec",
+		.cpu_dai_name = "ADDA",
+		.codec_dai_name = "mt6358-snd-codec-aif1",
+		.codec_name = "snd-soc-dummy",
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.ignore_suspend = 1,
+	},
+};
+
+static struct snd_soc_card mt8183_mt6358_card = {
+	.name = "mt8183-mt6358",
+	.owner = THIS_MODULE,
+	.dai_link = mt8183_mt6358_dai_links,
+	.num_links = ARRAY_SIZE(mt8183_mt6358_dai_links),
+};
+
+static int mt8183_mt6358_dev_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = &mt8183_mt6358_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) {
+		dai_link->platform = NULL;
+
+		if (dai_link->platform_name)
+			continue;
+		dai_link->platform_of_node = platform_node;
+	}
+
+	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_mt6358_dt_match[] = {
+	{.compatible = "mediatek,mt8183-mt6358-sound",},
+	{}
+};
+#endif
+
+static struct platform_driver mt8183_mt6358_driver = {
+	.driver = {
+		.name = "mt8183-mt6358",
+		.owner = THIS_MODULE,
+#ifdef CONFIG_OF
+		.of_match_table = mt8183_mt6358_dt_match,
+#endif
+	},
+	.probe = mt8183_mt6358_dev_probe,
+};
+
+module_platform_driver(mt8183_mt6358_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT8183-MT6358 ALSA SoC machine driver");
+MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("mt8183_mt6358 sound card");
+
-- 
1.9.1
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