[PATCH v3 4/5] ASoC: add mt6797-mt6351 driver and config option

KaiChieh Chuang
2018-04-25T02:48:51Z

sound/soc/mediatek/Kconfig | 20 ++++
sound/soc/mediatek/Makefile | 1 +
sound/soc/mediatek/mt6797/Makefile | 19 +++
sound/soc/mediatek/mt6797/mt6797-mt6351.c | 186 ++++++++++++++++++++++++++++++
4 files changed, 226 insertions(+)
create mode 100644 sound/soc/mediatek/mt6797/Makefile
create mode 100644 sound/soc/mediatek/mt6797/mt6797-mt6351.c

diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 5c68797f36c4..e731d40afcce 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -32,6 +32,26 @@ config SND_SOC_MT2701_WM8960
Select Y if you have such device.
If unsure select "N".

+config SND_SOC_MT6797
+ tristate "ASoC support for Mediatek MT6797 chip"
+ depends on ARCH_MEDIATEK
+ select SND_SOC_MEDIATEK
+ help
+ This adds ASoC driver for Mediatek MT6797 boards
+ that can be used with other codecs.
+ Select Y if you have such device.
+ If unsure select "N".
+
+config SND_SOC_MT6797_MT6351
+ tristate "ASoc Audio driver for MT6797 with MT6351 codec"
+ depends on SND_SOC_MT6797 && MTK_PMIC_WRAP
+ select SND_SOC_MT6351
+ help
+ This adds ASoC driver for Mediatek MT6797 boards
+ with the MT6351 codecs.
+ Select Y if you have such device.
+ If unsure select "N".
+
config SND_SOC_MT8173
tristate "ASoC support for Mediatek MT8173 chip"
depends on ARCH_MEDIATEK
diff --git a/sound/soc/mediatek/Makefile b/sound/soc/mediatek/Makefile
index 6bcab35dc828..fda22e97bf34 100644
--- a/sound/soc/mediatek/Makefile
+++ b/sound/soc/mediatek/Makefile
@@ -1,3 +1,4 @@
obj-$(CONFIG_SND_SOC_MEDIATEK) += common/
obj-$(CONFIG_SND_SOC_MT2701) += mt2701/
+obj-$(CONFIG_SND_SOC_MT6797) += mt6797/
obj-$(CONFIG_SND_SOC_MT8173) += mt8173/
diff --git a/sound/soc/mediatek/mt6797/Makefile b/sound/soc/mediatek/mt6797/Makefile
new file mode 100644
index 000000000000..58618a0d339a
--- /dev/null
+++ b/sound/soc/mediatek/mt6797/Makefile
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2018 MediaTek Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License 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.
+#
+
+# platform driver
+snd-soc-mt6797-afe-objs := mt6797-afe-pcm.o mt6797-afe-clk.o
+obj-$(CONFIG_SND_SOC_MT6797) += snd-soc-mt6797-afe.o
+
+# machine driver
+obj-$(CONFIG_SND_SOC_MT6797_MT6351) += mt6797-mt6351.o
diff --git a/sound/soc/mediatek/mt6797/mt6797-mt6351.c b/sound/soc/mediatek/mt6797/mt6797-mt6351.c
new file mode 100644
index 000000000000..d42a9d9fbf3e
--- /dev/null
+++ b/sound/soc/mediatek/mt6797/mt6797-mt6351.c
@@ -0,0 +1,186 @@
+/*
+ * mt6797-mt6351.c -- MT6797 MT6351 ALSA SoC machine driver
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.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 "mt6797-afe-common.h"
+
+static struct snd_soc_dai_link mt6797_mt6351_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 = "mt6351-snd-codec-aif1",
+ .no_pcm = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .ignore_suspend = 1,
+ },
+};
+
+static struct snd_soc_card mt6797_mt6351_card = {
+ .name = "mt6797-mt6351",
+ .owner = THIS_MODULE,
+ .dai_link = mt6797_mt6351_dai_links,
+ .num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
+};
+
+static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &mt6797_mt6351_card;
+ struct device_node *platform_node, *codec_node;
+ 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 (i = 0; i < card->num_links; i++) {
+ if (mt6797_mt6351_dai_links[i].platform_name)
+ continue;
+ mt6797_mt6351_dai_links[i].platform_of_node = platform_node;
+ }
+
+ codec_node = of_parse_phandle(pdev->dev.of_node,
+ "mediatek,audio-codec", 0);
+ if (!codec_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < card->num_links; i++) {
+ if (mt6797_mt6351_dai_links[i].codec_name)
+ continue;
+ mt6797_mt6351_dai_links[i].codec_of_node = codec_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;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id mt6797_mt6351_dt_match[] = {
+ {.compatible = "mediatek,mt6797-mt6351-sound",},
+ {}
+};
+#endif
+
+static struct platform_driver mt6797_mt6351_driver = {
+ .driver = {
+ .name = "mt6797-mt6351",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_OF
+ .of_match_table = mt6797_mt6351_dt_match,
+#endif
+ },
+ .probe = mt6797_mt6351_dev_probe,
+};
+
+module_platform_driver(mt6797_mt6351_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
+MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("mt6797 mt6351 soc card");
+
--
2.12.5