ASoC: add imx-mc13783 sound support (6b0a795a) · Commits · EulixOS / Software / Kernel

sound/soc/fsl/Kconfig

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		@@ -171,4 +171,12 @@ config SND_SOC_IMX_SGTL5000
		Say Y if you want to add support for SoC audio on an i.MX board with
		a sgtl5000 codec.

		config SND_SOC_IMX_MC13783
		tristate "SoC Audio support for I.MX boards with mc13783"
		depends on MFD_MC13783
		select SND_SOC_IMX_SSI
		select SND_SOC_IMX_AUDMUX
		select SND_SOC_MC13783
		select SND_SOC_IMX_PCM_DMA

		endif # SND_IMX_SOC

sound/soc/fsl/Makefile

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		@@ -41,9 +41,11 @@ snd-soc-phycore-ac97-objs := phycore-ac97.o
		snd-soc-mx27vis-aic32x4-objs := mx27vis-aic32x4.o
		snd-soc-wm1133-ev1-objs := wm1133-ev1.o
		snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o
		snd-soc-imx-mc13783-objs := imx-mc13783.o

		obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o
		obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o
		obj-$(CONFIG_SND_SOC_MX27VIS_AIC32X4) += snd-soc-mx27vis-aic32x4.o
		obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o
		obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o
		obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o

sound/soc/fsl/imx-mc13783.c

0 → 100644

+163 −0

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		/*
		* imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
		*
		* Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
		*
		* Heavly based on phycore-mc13783:
		* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
		*
		* This program is free software; you can redistribute it and/or modify it
		* under the terms of the GNU General Public License as published by the
		* Free Software Foundation; either version 2 of the License, or (at your
		* option) any later version.
		*
		*/

		#include <linux/module.h>
		#include <linux/moduleparam.h>
		#include <linux/device.h>
		#include <sound/core.h>
		#include <sound/pcm.h>
		#include <sound/soc.h>
		#include <sound/soc-dapm.h>
		#include <asm/mach-types.h>

		#include "../codecs/mc13783.h"
		#include "imx-ssi.h"
		#include "imx-audmux.h"

		#define FMT_SSI (SND_SOC_DAIFMT_DSP_A \| SND_SOC_DAIFMT_NB_NF \| \
		SND_SOC_DAIFMT_CBM_CFM)

		static int imx_mc13783_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_dai *codec_dai = rtd->codec_dai;
		int ret;

		ret = snd_soc_dai_set_fmt(codec_dai, FMT_SSI);
		if (ret)
		return ret;

		ret = snd_soc_dai_set_fmt(cpu_dai, FMT_SSI);
		if (ret)
		return ret;

		ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xfffffffc, 0xfffffffc,
		4, 16);
		if (ret)
		return ret;

		ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
		if (ret)
		return ret;

		ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x0, 0xfffffffc, 2, 16);
		if (ret)
		return ret;

		return 0;
		}

		static struct snd_soc_ops imx_mc13783_hifi_ops = {
		.hw_params = imx_mc13783_hifi_hw_params,
		};

		static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
		{
		.name = "MC13783",
		.stream_name = "Sound",
		.codec_dai_name = "mc13783-hifi",
		.codec_name = "mc13783-codec",
		.cpu_dai_name = "imx-ssi.0",
		.platform_name = "imx-pcm-audio.0",
		.ops = &imx_mc13783_hifi_ops,
		.symmetric_rates = 1,
		},
		};

		static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
		SND_SOC_DAPM_MIC("Mic", NULL),
		SND_SOC_DAPM_HP("Headphone", NULL),
		SND_SOC_DAPM_SPK("Speaker", NULL),
		};

		static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
		{"Speaker", NULL, "LSP"},
		{"Headphone", NULL, "HSL"},
		{"Headphone", NULL, "HSR"},

		{"MC1LIN", NULL, "MC1 Bias"},
		{"MC2IN", NULL, "MC2 Bias"},
		{"MC1 Bias", NULL, "Mic"},
		{"MC2 Bias", NULL, "Mic"},
		};

		static struct snd_soc_card imx_mc13783 = {
		.name = "imx_mc13783",
		.dai_link = imx_mc13783_dai_mc13783,
		.num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
		.dapm_widgets = imx_mc13783_widget,
		.num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
		.dapm_routes = imx_mc13783_routes,
		.num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
		};

		static int __devinit imx_mc13783_probe(struct platform_device *pdev)
		{
		int ret;

		imx_mc13783.dev = &pdev->dev;

		ret = snd_soc_register_card(&imx_mc13783);
		if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
		ret);
		return ret;
		}

		imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
		IMX_AUDMUX_V2_PTCR_SYN,
		IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) \|
		IMX_AUDMUX_V2_PDCR_MODE(1) \|
		IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
		imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
		IMX_AUDMUX_V2_PTCR_SYN \|
		IMX_AUDMUX_V2_PTCR_TFSDIR \|
		IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) \|
		IMX_AUDMUX_V2_PTCR_TCLKDIR \|
		IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) \|
		IMX_AUDMUX_V2_PTCR_RFSDIR \|
		IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) \|
		IMX_AUDMUX_V2_PTCR_RCLKDIR \|
		IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
		IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));

		return ret;
		}

		static int __devexit imx_mc13783_remove(struct platform_device *pdev)
		{
		snd_soc_unregister_card(&imx_mc13783);

		return 0;
		}

		static struct platform_driver imx_mc13783_audio_driver = {
		.driver = {
		.name = "imx_mc13783",
		.owner = THIS_MODULE,
		},
		.probe = imx_mc13783_probe,
		.remove = __devexit_p(imx_mc13783_remove)
		};

		module_platform_driver(imx_mc13783_audio_driver);

		MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
		MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
		MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
		MODULE_LICENSE("GPL");
		MODULE_ALIAS("platform:imx_mc13783");