diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig index ed8de4bc8624..d20e00e2f315 100644 --- a/sound/soc/rockchip/Kconfig +++ b/sound/soc/rockchip/Kconfig @@ -25,6 +25,12 @@ config SND_SOC_ROCKCHIP_DLP_PCM Say Y or M if you want to add support for DLP driver for Rockchip DMA-Based Digital Loopback. +config SND_SOC_ROCKCHIP_DUMMY_DAI + tristate "Rockchip Dummy DAI Driver" + depends on SND_SOC_ROCKCHIP + help + Say Y or M if you want to add support for DUMMY DAI driver. + config SND_SOC_ROCKCHIP_I2S tristate "Rockchip I2S Device Driver" depends on HAVE_CLK && SND_SOC_ROCKCHIP diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile index 6e2797dbb48d..a54b1ab435b1 100644 --- a/sound/soc/rockchip/Makefile +++ b/sound/soc/rockchip/Makefile @@ -4,6 +4,7 @@ snd-soc-rockchip-objs := rockchip_utils.o snd-soc-rockchip-asrc-objs := rockchip_asrc.o snd-soc-rockchip-dlp-objs := rockchip_dlp.o snd-soc-rockchip-dlp-pcm-objs := rockchip_dlp_pcm.o +snd-soc-rockchip-dummy-dai-objs := rockchip_dummy_dai.o snd-soc-rockchip-i2s-objs := rockchip_i2s.o snd-soc-rockchip-i2s-tdm-objs := rockchip_i2s_tdm.o snd-soc-rockchip-multi-dais-objs := rockchip_multi_dais.o rockchip_multi_dais_pcm.o @@ -25,6 +26,7 @@ obj-$(CONFIG_SND_SOC_ROCKCHIP) += snd-soc-rockchip.o obj-$(CONFIG_SND_SOC_ROCKCHIP_ASRC) += snd-soc-rockchip-asrc.o obj-$(CONFIG_SND_SOC_ROCKCHIP_DLP) += snd-soc-rockchip-dlp.o obj-$(CONFIG_SND_SOC_ROCKCHIP_DLP_PCM) += snd-soc-rockchip-dlp-pcm.o +obj-$(CONFIG_SND_SOC_ROCKCHIP_DUMMY_DAI) += snd-soc-rockchip-dummy-dai.o obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S) += snd-soc-rockchip-i2s.o obj-$(CONFIG_SND_SOC_ROCKCHIP_I2S_TDM) += snd-soc-rockchip-i2s-tdm.o obj-$(CONFIG_SND_SOC_ROCKCHIP_MULTI_DAIS) += snd-soc-rockchip-multi-dais.o diff --git a/sound/soc/rockchip/rockchip_dummy_dai.c b/sound/soc/rockchip/rockchip_dummy_dai.c new file mode 100644 index 000000000000..d8ec0a15c68b --- /dev/null +++ b/sound/soc/rockchip/rockchip_dummy_dai.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * ALSA SoC Audio Layer - Rockchip Dummy Controller driver + * + * Copyright (c) 2024 Rockchip Electronics Co. Ltd. + */ + +#include +#include +#include + +#define DRV_NAME "rockchip-dummy-dai" + +struct rk_dummy_dai_dev { + struct device *dev; +}; + +static struct snd_soc_dai_driver rockchip_dummy_dai_dai = { + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 512, + .rates = SNDRV_PCM_RATE_8000_384000, + .formats = SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 512, + .rates = SNDRV_PCM_RATE_8000_384000, + .formats = SNDRV_PCM_FMTBIT_S8 | + SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, +}; + +static const struct of_device_id rockchip_dummy_dai_match[] __maybe_unused = { + { .compatible = "rockchip,dummy-dai", }, + {}, +}; + +static const struct snd_soc_component_driver rockchip_dummy_dai_component = { + .name = DRV_NAME, + .legacy_dai_naming = 1, +}; + +static int rockchip_dummy_dai_probe(struct platform_device *pdev) +{ + struct rk_dummy_dai_dev *dummy_dai; + int ret; + + dummy_dai = devm_kzalloc(&pdev->dev, sizeof(*dummy_dai), GFP_KERNEL); + if (!dummy_dai) + return -ENOMEM; + + dummy_dai->dev = &pdev->dev; + dev_set_drvdata(&pdev->dev, dummy_dai); + + ret = devm_snd_soc_register_component(&pdev->dev, + &rockchip_dummy_dai_component, + &rockchip_dummy_dai_dai, 1); + return ret; +} + +static struct platform_driver rockchip_dummy_dai_driver = { + .probe = rockchip_dummy_dai_probe, + .driver = { + .name = DRV_NAME, + .of_match_table = of_match_ptr(rockchip_dummy_dai_match), + }, +}; +module_platform_driver(rockchip_dummy_dai_driver); + +MODULE_DESCRIPTION("Rockchip Dummy DAI ASoC Interface"); +MODULE_AUTHOR("Sugar Zhang "); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); +MODULE_DEVICE_TABLE(of, rockchip_dummy_dai_match);