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@mediatek.com --- 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@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) { + 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@mediatek.com"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("mt8183_mt6358 sound card"); +

A device node usage notice for the machine with mt8183 as soc and mt6358 as codec.

Signed-off-by: Shunli Wang shunli.wang@mediatek.com --- Documentation/devicetree/bindings/sound/mt8183-mt6358.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mt8183-mt6358.txt

diff --git a/Documentation/devicetree/bindings/sound/mt8183-mt6358.txt b/Documentation/devicetree/bindings/sound/mt8183-mt6358.txt new file mode 100644 index 0000000..75b19f3 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/mt8183-mt6358.txt @@ -0,0 +1,12 @@ +MT8183 with MT6358 CODEC + +Required properties: +- compatible: "mediatek,mt8183-mt6358-sound" +- mediatek,platform: the phandle of MT8183 ASoC platform + +Example: + + sound { + compatible = "mediatek,mt8183-mt6358-sound"; + mediatek,platform = <&afe>; + };