diff options
author | Shengjiu Wang <shengjiu.wang@freescale.com> | 2017-02-15 11:23:45 +0800 |
---|---|---|
committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:52:49 +0800 |
commit | 6e155db640433a60c101d41ffb7a5a36780457cf (patch) | |
tree | fb7f4867688a7f121393cf99e8447a2c59c3b375 /sound | |
parent | 118fc234d59e4defee4743293af0279e4c44f744 (diff) |
MLK-13904-3: ASoC: fsl: add audio machine driver base on rpmsg
Add machine driver, which is using the dummy codec.
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Acked-by: Robin Gong <yibin.gong@nxp.com>
[ Aisheng: clean for a new base ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/fsl/Kconfig | 11 | ||||
-rw-r--r-- | sound/soc/fsl/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/fsl/imx-rpmsg.c | 113 |
3 files changed, 126 insertions, 0 deletions
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 320c6a442af8..50713a6ddd11 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -263,6 +263,17 @@ config SND_SOC_EUKREA_TLV320 Enable I2S based access to the TLV320AIC23B codec attached to the SSI interface +config SND_SOC_IMX_RPMSG + tristate "SoC Audio support for i.MX boards with rpmsg" + depends on OF && I2C && INPUT + select SND_SOC_IMX_PCM_RPMSG + select SND_SOC_FSL_RPMSG_I2S + help + SoC Audio support for i.MX boards with rpmsg. + There should be rpmsg devices defined in other core + Say Y if you want to add support for SoC audio on an i.MX board with + a rpmsg devices. + config SND_SOC_IMX_ES8328 tristate "SoC Audio support for i.MX boards with the ES8328 codec" depends on OF && (I2C || SPI) diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 70699370926d..5d2a301c898c 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -66,6 +66,7 @@ snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o snd-soc-imx-spdif-objs := imx-spdif.o snd-soc-imx-mc13783-objs := imx-mc13783.o snd-soc-imx-audmix-objs := imx-audmix.o +snd-soc-imx-rpmsg-objs := imx-rpmsg.o obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o @@ -73,6 +74,7 @@ obj-$(CONFIG_SND_SOC_MX27VIS_AIC32X4) += snd-soc-mx27vis-aic32x4.o obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o obj-$(CONFIG_SND_SOC_IMX_ES8328) += snd-soc-imx-es8328.o obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o +obj-$(CONFIG_SND_SOC_IMX_RPMSG) += snd-soc-imx-rpmsg.o obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o obj-$(CONFIG_SND_SOC_IMX_AUDMIX) += snd-soc-imx-audmix.o diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c new file mode 100644 index 000000000000..72b2e01212d9 --- /dev/null +++ b/sound/soc/fsl/imx-rpmsg.c @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2017 NXP + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/i2c.h> +#include <linux/of_gpio.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/clk.h> +#include <sound/soc.h> +#include <sound/jack.h> +#include <sound/control.h> +#include <sound/pcm_params.h> +#include <sound/soc-dapm.h> +#include <linux/pinctrl/consumer.h> +#include "fsl_rpmsg_i2s.h" + +struct imx_rpmsg_data { + struct snd_soc_dai_link dai[1]; + struct snd_soc_card card; +}; + +static int imx_rpmsg_probe(struct platform_device *pdev) +{ + struct device_node *cpu_np; + struct platform_device *cpu_pdev; + struct imx_rpmsg_data *data; + int ret; + + cpu_np = of_parse_phandle(pdev->dev.of_node, "cpu-dai", 0); + if (!cpu_np) { + dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n"); + ret = -EINVAL; + goto fail; + } + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) { + ret = -ENOMEM; + goto fail; + } + + cpu_pdev = of_find_device_by_node(cpu_np); + if (!cpu_pdev) { + dev_err(&pdev->dev, "failed to find rpmsg platform device\n"); + ret = -EINVAL; + goto fail; + } + + data->dai[0].name = "rpmsg hifi"; + data->dai[0].stream_name = "rpmsg hifi"; + data->dai[0].codec_dai_name = "snd-soc-dummy-dai"; + data->dai[0].codec_name = "snd-soc-dummy"; + data->dai[0].cpu_dai_name = dev_name(&cpu_pdev->dev); + data->dai[0].platform_of_node = cpu_np; + data->dai[0].playback_only = false; + data->dai[0].capture_only = false; + data->dai[0].dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM; + data->card.num_links = 1; + data->card.dai_link = data->dai; + + data->card.dev = &pdev->dev; + data->card.owner = THIS_MODULE; + ret = snd_soc_of_parse_card_name(&data->card, "model"); + if (ret) + goto fail; + + platform_set_drvdata(pdev, &data->card); + snd_soc_card_set_drvdata(&data->card, data); + ret = devm_snd_soc_register_card(&pdev->dev, &data->card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + goto fail; + } + +fail: + if (cpu_np) + of_node_put(cpu_np); + return ret; +} + +static const struct of_device_id imx_rpmsg_dt_ids[] = { + { .compatible = "fsl,imx-audio-rpmsg", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_rpmsg_dt_ids); + +static struct platform_driver imx_rpmsg_driver = { + .driver = { + .name = "imx-audio-rpmsg", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + .of_match_table = imx_rpmsg_dt_ids, + }, + .probe = imx_rpmsg_probe, +}; +module_platform_driver(imx_rpmsg_driver); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_DESCRIPTION("Freescale i.MX rpmsg audio ASoC machine driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:imx-rpmsg"); |