[alsa-devel] [RESEND PATCH 5/6] ASoC: mediatek: mt8183: add mt8183-mt6358 machine driver
Shunli Wang
shunli.wang at mediatek.com
Sat Jan 26 08:44:59 CET 2019
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 at mediatek.com>
---
sound/soc/mediatek/Kconfig | 10 ++
sound/soc/mediatek/mt8183/mt8183-mt6358.c | 208 ++++++++++++++++++++++++++++++
2 files changed, 218 insertions(+)
create mode 100644 sound/soc/mediatek/mt8183/mt8183-mt6358.c
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 8bb360e..a4f8651 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -115,3 +115,13 @@ config SND_SOC_MT8183
that can be used with other codecs.
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".
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358.c b/sound/soc/mediatek/mt8183/mt8183-mt6358.c
new file mode 100644
index 0000000..51f1d17
--- /dev/null
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358.c
@@ -0,0 +1,208 @@
+// 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 at 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"
+
+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) {
+ /* 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;
+ }
+
+ 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 at mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("mt8183_mt6358 soc card");
+
--
1.9.1
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