diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig index eb6f2a443b23..ff2869641a35 100644 --- a/sound/soc/mediatek/Kconfig +++ b/sound/soc/mediatek/Kconfig @@ -16,6 +16,16 @@ config SND_SOC_AN7581 Select Y if you have such device. If unsure select "N". +config SND_SOC_AN7581_WM8960 + tristate "ASoc Audio driver for Airoha AN7581 with WM8960 codec" + depends on SND_SOC_AN7581 && I2C + select SND_SOC_WM8960 + help + This adds support for ASoC machine driver for Airoha AN7581 + boards with the WM8960 codecs. + Select Y if you have such device. + If unsure select "N". + endmenu menu "Mediatek" diff --git a/sound/soc/mediatek/an7581/Makefile b/sound/soc/mediatek/an7581/Makefile index d6de5ee1668e..f48cd0269bea 100644 --- a/sound/soc/mediatek/an7581/Makefile +++ b/sound/soc/mediatek/an7581/Makefile @@ -6,3 +6,4 @@ snd-soc-an7581-afe-y := \ an7581-dai-etdm.o obj-$(CONFIG_SND_SOC_AN7581) += snd-soc-an7581-afe.o +obj-$(CONFIG_SND_SOC_AN7581_WM8960) += an7581-wm8960.o diff --git a/sound/soc/mediatek/an7581/an7581-wm8960.c b/sound/soc/mediatek/an7581/an7581-wm8960.c new file mode 100644 index 000000000000..03ea5732563c --- /dev/null +++ b/sound/soc/mediatek/an7581/an7581-wm8960.c @@ -0,0 +1,161 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Airoha ALSA SoC I2S platform driver for AN7581 + * + */ + +#include +#include + +#include "an7581-afe-common.h" + +SND_SOC_DAILINK_DEFS(playback, + DAILINK_COMP_ARRAY(COMP_CPU("DL1")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY(), COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(capture, + DAILINK_COMP_ARRAY(COMP_CPU("UL1")), + DAILINK_COMP_ARRAY(COMP_DUMMY()), + DAILINK_COMP_ARRAY(COMP_EMPTY(), COMP_EMPTY())); + +SND_SOC_DAILINK_DEFS(codec, + DAILINK_COMP_ARRAY(COMP_CPU("ETDM")), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY(), COMP_EMPTY())); + +static struct snd_soc_dai_link an7581_wm8960_dai_links[] = { + /* FE */ + { + .name = "wm8960-playback", + .stream_name = "wm8960-playback", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .dynamic = 1, + .playback_only = 1, + SND_SOC_DAILINK_REG(playback), + }, + { + .name = "wm8960-capture", + .stream_name = "wm8960-capture", + .trigger = {SND_SOC_DPCM_TRIGGER_POST, + SND_SOC_DPCM_TRIGGER_POST}, + .dynamic = 1, + .capture_only = 1, + SND_SOC_DAILINK_REG(capture), + }, + /* BE */ + { + .name = "wm8960-codec", + .no_pcm = 1, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBP_CFP | + SND_SOC_DAIFMT_GATED, + SND_SOC_DAILINK_REG(codec), + }, +}; + +static struct snd_soc_card an7581_wm8960_card = { + .name = "an7581-wm8960", + .owner = THIS_MODULE, + .dai_link = an7581_wm8960_dai_links, + .num_links = ARRAY_SIZE(an7581_wm8960_dai_links), +}; + +static int an7581_wm8960_machine_probe(struct platform_device *pdev) +{ + struct device_node *platform_dai_node, *codec_dai_node; + struct snd_soc_card *card = &an7581_wm8960_card; + struct device_node *of_platform, *codec; + struct snd_soc_dai_link *dai_link; + int i, d, ret; + + card->dev = &pdev->dev; + + of_platform = of_get_child_by_name(pdev->dev.of_node, "platform"); + + if (of_platform) { + platform_dai_node = of_parse_phandle(of_platform, "sound-dai", 0); + of_node_put(of_platform); + + if (!platform_dai_node) { + dev_err(&pdev->dev, "Failed to parse platform/sound-dai property\n"); + return -EINVAL; + } + } else { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + + for_each_card_prelinks(card, i, dai_link) { + struct snd_soc_dai_link_component *platform; + + dai_link->num_platforms = 2; + for_each_link_platforms(dai_link, d, platform) { + if (platform->name) + continue; + platform->of_node = platform_dai_node; + } + } + + codec = of_get_child_by_name(pdev->dev.of_node, "codec"); + + if (codec) { + codec_dai_node = of_parse_phandle(codec, "sound-dai", 0); + of_node_put(codec); + + if (!codec_dai_node) { + of_node_put(platform_dai_node); + dev_err(&pdev->dev, "Failed to parse codec/sound-dai property\n"); + return -EINVAL; + } + } else { + of_node_put(platform_dai_node); + dev_err(&pdev->dev, "Property 'codec' missing or invalid\n"); + return -EINVAL; + } + + for_each_card_prelinks(card, i, dai_link) { + if (dai_link->codecs->name) + continue; + dai_link->codecs->of_node = codec_dai_node; + } + + ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); + if (ret) { + dev_err(&pdev->dev, "Failed to parse audio-routing: %d\n", ret); + goto err_of_node_put; + } + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) { + dev_err_probe(&pdev->dev, ret, "%s snd_soc_register_card fail\n", __func__); + goto err_of_node_put; + } + + return 0; + +err_of_node_put: + of_node_put(platform_dai_node); + of_node_put(codec_dai_node); + return ret; +} + +static const struct of_device_id an7581_wm8960_machine_dt_match[] = { + { .compatible = "airoha,an7581-wm8960-sound" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, an7581_wm8960_machine_dt_match); + +static struct platform_driver an7581_wm8960_driver = { + .driver = { + .name = "an7581-wm8960", + .of_match_table = an7581_wm8960_machine_dt_match, + }, + .probe = an7581_wm8960_machine_probe, +}; +module_platform_driver(an7581_wm8960_driver); + +MODULE_DESCRIPTION("Airoha SoC I2S platform driver for ALSA AN7581"); +MODULE_LICENSE("GPL");