diff options
author | Shengjiu Wang <shengjiu.wang@freescale.com> | 2017-06-22 15:39:55 +0800 |
---|---|---|
committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:50:13 +0800 |
commit | 8f578fd3a1be93258a28776974a4bd7cbceeaa0f (patch) | |
tree | 11412b344be8080ac46dc3c2f9c15aac27002a8f /sound/soc/fsl | |
parent | 06532305e2d60f4582279ced62a4e2c38a6c84c7 (diff) |
MLK-15140-2: ASoC: fsl: add machine driver for wm8524
This a simple machine driver for wm8524.
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
[ Aisheng: clean for a new base ]
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Diffstat (limited to 'sound/soc/fsl')
-rw-r--r-- | sound/soc/fsl/Kconfig | 15 | ||||
-rw-r--r-- | sound/soc/fsl/Makefile | 6 | ||||
-rw-r--r-- | sound/soc/fsl/imx-wm8524.c | 205 |
3 files changed, 223 insertions, 3 deletions
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index b19f4406f517..83e8e8b64d0b 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -262,6 +262,19 @@ config SND_SOC_IMX_WM8960 Say Y if you want to add support for SoC audio on an i.MX board with a wm8960 codec. +config SND_SOC_IMX_WM8524 + tristate "SoC Audio support for i.MX boards with wm8524" + depends on OF && I2C + select SND_SOC_WM8524 + select SND_SOC_IMX_PCM_DMA + select SND_SOC_FSL_SAI + select SND_SOC_FSL_UTILS + select SND_KCTL_JACK + help + SoC Audio support for i.MX boards with WM8524 + Say Y if you want to add support for SoC audio on an i.MX board with + a wm8524 codec. + config SND_SOC_IMX_SII902X tristate "SoC Audio support for i.MX boards with sii902x" depends on OF && I2C @@ -380,7 +393,7 @@ config SND_SOC_FSL_ASOC_CARD help ALSA SoC Audio support with ASRC feature for Freescale SoCs that have ESAI/SAI/SSI and connect with external CODECs such as WM8962, CS42888, - CS4271, CS4272 and SGTL5000. + CS4271, CS4272, and SGTL5000. Say Y if you want to add support for Freescale Generic ASoC Sound Card. config SND_SOC_IMX_AUDMIX diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index e1701e5243ec..f115446cdd5e 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_SND_SOC_P1022_RDK) += snd-soc-p1022-rdk.o # Freescale SSI/DMA/SAI/SPDIF Support snd-soc-fsl-audmix-objs := fsl_audmix.o -snd-soc-fsl-asoc-card-objs := fsl-asoc-card.o snd-soc-fsl-asrc-objs := fsl_asrc.o fsl_asrc_dma.o snd-soc-fsl-sai-objs := fsl_sai.o snd-soc-fsl-ssi-y := fsl_ssi.o @@ -25,7 +24,7 @@ snd-soc-fsl-utils-objs := fsl_utils.o snd-soc-fsl-dma-objs := fsl_dma.o obj-$(CONFIG_SND_SOC_FSL_AUDMIX) += snd-soc-fsl-audmix.o -obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o +snd-soc-fsl-asoc-card-objs := fsl-asoc-card.o obj-$(CONFIG_SND_SOC_FSL_ASRC) += snd-soc-fsl-asrc.o obj-$(CONFIG_SND_SOC_FSL_SAI) += snd-soc-fsl-sai.o obj-$(CONFIG_SND_SOC_FSL_SSI) += snd-soc-fsl-ssi.o @@ -34,6 +33,7 @@ obj-$(CONFIG_SND_SOC_FSL_ESAI) += snd-soc-fsl-esai.o obj-$(CONFIG_SND_SOC_FSL_MICFIL) += snd-soc-fsl-micfil.o obj-$(CONFIG_SND_SOC_FSL_UTILS) += snd-soc-fsl-utils.o obj-$(CONFIG_SND_SOC_POWERPC_DMA) += snd-soc-fsl-dma.o +obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o # MPC5200 Platform Support obj-$(CONFIG_SND_MPC52xx_DMA) += mpc5200_dma.o @@ -63,6 +63,7 @@ snd-soc-imx-cs42888-objs := imx-cs42888.o snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o snd-soc-imx-wm8958-objs := imx-wm8958.o snd-soc-imx-wm8960-objs := imx-wm8960.o +snd-soc-imx-wm8524-objs := imx-wm8524.o snd-soc-imx-wm8962-objs := imx-wm8962.o snd-soc-imx-sii902x-objs := imx-sii902x.o snd-soc-imx-spdif-objs := imx-spdif.o @@ -79,6 +80,7 @@ obj-$(CONFIG_SND_SOC_IMX_CS42888) += snd-soc-imx-cs42888.o obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o obj-${CONFIG_SND_SOC_IMX_WM8958} += snd-soc-imx-wm8958.o obj-$(CONFIG_SND_SOC_IMX_WM8960) += snd-soc-imx-wm8960.o +obj-$(CONFIG_SND_SOC_IMX_WM8524) += snd-soc-imx-wm8524.o obj-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o obj-$(CONFIG_SND_SOC_IMX_SII902X) += snd-soc-imx-sii902x.o obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o diff --git a/sound/soc/fsl/imx-wm8524.c b/sound/soc/fsl/imx-wm8524.c new file mode 100644 index 000000000000..59978a6a80be --- /dev/null +++ b/sound/soc/fsl/imx-wm8524.c @@ -0,0 +1,205 @@ +/* + * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. + * + * 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/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 <linux/mfd/syscon.h> + +struct imx_priv { + struct platform_device *pdev; + struct snd_soc_card card; + struct clk *codec_clk; + unsigned int clk_frequency; +}; + +static const struct snd_soc_dapm_widget imx_wm8524_dapm_widgets[] = { + SND_SOC_DAPM_LINE("Line Out Jack", NULL), + SND_SOC_DAPM_LINE("Line In Jack", NULL), +}; + +static int imx_hifi_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_card *card = rtd->card; + struct device *dev = card->dev; + unsigned int fmt; + int ret = 0; + + fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS; + + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret) { + dev_err(dev, "failed to set cpu dai fmt: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2, + params_physical_width(params)); + if (ret) { + dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret); + return ret; + } + + return ret; +} + +static struct snd_soc_ops imx_hifi_ops = { + .hw_params = imx_hifi_hw_params, +}; + +static struct snd_soc_dai_link imx_wm8524_dai[] = { + { + .name = "HiFi", + .stream_name = "HiFi", + .codec_dai_name = "wm8524-hifi", + .ops = &imx_hifi_ops, + }, +}; + +static int imx_wm8524_late_probe(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd = list_first_entry( + &card->rtd_list, struct snd_soc_pcm_runtime, list); + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct imx_priv *priv = snd_soc_card_get_drvdata(card); + int ret; + + priv->clk_frequency = clk_get_rate(priv->codec_clk); + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, priv->clk_frequency, + SND_SOC_CLOCK_IN); + + return 0; +} + +static int imx_wm8524_probe(struct platform_device *pdev) +{ + struct device_node *cpu_np, *codec_np = NULL; + struct platform_device *cpu_pdev; + struct imx_priv *priv; + struct platform_device *codec_pdev = NULL; + int ret; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->pdev = pdev; + + cpu_np = of_parse_phandle(pdev->dev.of_node, "audio-cpu", 0); + if (!cpu_np) { + dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n"); + ret = -EINVAL; + goto fail; + } + + codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0); + if (!codec_np) { + dev_err(&pdev->dev, "phandle missing or invalid\n"); + ret = -EINVAL; + goto fail; + } + + cpu_pdev = of_find_device_by_node(cpu_np); + if (!cpu_pdev) { + dev_err(&pdev->dev, "failed to find SAI platform device\n"); + ret = -EINVAL; + goto fail; + } + + codec_pdev = of_find_device_by_node(codec_np); + if (!codec_pdev || !codec_pdev->dev.driver) { + dev_err(&pdev->dev, "failed to find codec platform device\n"); + ret = -EINVAL; + goto fail; + } + + priv->codec_clk = devm_clk_get(&codec_pdev->dev, "mclk"); + if (IS_ERR(priv->codec_clk)) { + ret = PTR_ERR(priv->codec_clk); + dev_err(&pdev->dev, "failed to get codec clk: %d\n", ret); + goto fail; + } + + priv->card.dai_link = imx_wm8524_dai; + + imx_wm8524_dai[0].codec_of_node = codec_np; + imx_wm8524_dai[0].cpu_dai_name = dev_name(&cpu_pdev->dev); + imx_wm8524_dai[0].platform_of_node = cpu_np; + imx_wm8524_dai[0].playback_only = 1; + + priv->card.late_probe = imx_wm8524_late_probe; + priv->card.num_links = 1; + priv->card.dev = &pdev->dev; + priv->card.owner = THIS_MODULE; + priv->card.dapm_widgets = imx_wm8524_dapm_widgets; + priv->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8524_dapm_widgets); + + ret = snd_soc_of_parse_card_name(&priv->card, "model"); + if (ret) + goto fail; + + ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing"); + if (ret) + goto fail; + + snd_soc_card_set_drvdata(&priv->card, priv); + + ret = devm_snd_soc_register_card(&pdev->dev, &priv->card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + goto fail; + } + + ret = 0; +fail: + if (cpu_np) + of_node_put(cpu_np); + if (codec_np) + of_node_put(codec_np); + + return ret; +} + +static const struct of_device_id imx_wm8524_dt_ids[] = { + { .compatible = "fsl,imx-audio-wm8524", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_wm8524_dt_ids); + +static struct platform_driver imx_wm8524_driver = { + .driver = { + .name = "imx-wm8524", + .pm = &snd_soc_pm_ops, + .of_match_table = imx_wm8524_dt_ids, + }, + .probe = imx_wm8524_probe, +}; +module_platform_driver(imx_wm8524_driver); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_DESCRIPTION("Freescale i.MX WM8524 ASoC machine driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:imx-wm8524"); |