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Commit 5ebf20ae authored by Zhangfei Gao's avatar Zhangfei Gao Committed by Mark Brown
Browse files

ASoC: add mmp brownstone support 



Adds Alsa audio platform driver for mmp brownstone machine

Signed-off-by: default avatarZhangfei Gao <zhangfei.gao@marvell.com>
Signed-off-by: default avatarLeo Yan <leoy@marvell.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent fa375d42

sound/soc/pxa/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -206,3 +206,13 @@ config SND_PXA2XX_SOC_IMOTE2 
       help

         Say Y if you want to add support for SoC audio on the

	 IMote 2.



config SND_MMP_SOC_BROWNSTONE

	tristate "SoC Audio support for Marvell Brownstone"

	depends on SND_MMP_SOC && MACH_BROWNSTONE

	select SND_MMP_SOC_SSPA

	select MFD_WM8994

	select SND_SOC_WM8994

	help

	  Say Y if you want to add support for SoC audio on the

	  Marvell Brownstone reference platform.

sound/soc/pxa/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ snd-soc-mioa701-objs := mioa701_wm9713.o 
snd-soc-z2-objs := z2.o

snd-soc-imote2-objs := imote2.o

snd-soc-raumfeld-objs := raumfeld.o

snd-soc-brownstone-objs := brownstone.o



obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o

obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o
@@ -51,3 +52,4 @@ obj-$(CONFIG_SND_SOC_TAVOREVB3) += snd-soc-tavorevb3.o 
obj-$(CONFIG_SND_SOC_ZYLONITE) += snd-soc-zylonite.o

obj-$(CONFIG_SND_PXA2XX_SOC_IMOTE2) += snd-soc-imote2.o

obj-$(CONFIG_SND_SOC_RAUMFELD) += snd-soc-raumfeld.o

obj-$(CONFIG_SND_MMP_SOC_BROWNSTONE) += snd-soc-brownstone.o

sound/soc/pxa/brownstone.c

0 → 100644
+174 −0
Original line number Diff line number Diff line 
/*

 * linux/sound/soc/pxa/brownstone.c

 *

 * Copyright (C) 2011 Marvell International Ltd.

 *

 * 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 <sound/core.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/jack.h>



#include "../codecs/wm8994.h"

#include "mmp-sspa.h"



static const struct snd_kcontrol_new brownstone_dapm_control[] = {

	SOC_DAPM_PIN_SWITCH("Ext Spk"),

};



static const struct snd_soc_dapm_widget brownstone_dapm_widgets[] = {

	SND_SOC_DAPM_SPK("Ext Spk", NULL),

	SND_SOC_DAPM_HP("Headset Stereophone", NULL),

	SND_SOC_DAPM_MIC("Headset Mic", NULL),

	SND_SOC_DAPM_MIC("Main Mic", NULL),

};



static const struct snd_soc_dapm_route brownstone_audio_map[] = {

	{"Ext Spk", NULL, "SPKOUTLP"},

	{"Ext Spk", NULL, "SPKOUTLN"},

	{"Ext Spk", NULL, "SPKOUTRP"},

	{"Ext Spk", NULL, "SPKOUTRN"},



	{"Headset Stereophone", NULL, "HPOUT1L"},

	{"Headset Stereophone", NULL, "HPOUT1R"},



	{"IN1RN", NULL, "Headset Mic"},



	{"DMIC1DAT", NULL, "MICBIAS1"},

	{"MICBIAS1", NULL, "Main Mic"},

};



static int brownstone_wm8994_init(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_codec *codec = rtd->codec;

	struct snd_soc_dapm_context *dapm = &codec->dapm;



	snd_soc_dapm_enable_pin(dapm, "Ext Spk");

	snd_soc_dapm_enable_pin(dapm, "Headset Stereophone");

	snd_soc_dapm_enable_pin(dapm, "Headset Mic");

	snd_soc_dapm_enable_pin(dapm, "Main Mic");



	/* set endpoints to not connected */

	snd_soc_dapm_nc_pin(dapm, "HPOUT2P");

	snd_soc_dapm_nc_pin(dapm, "HPOUT2N");

	snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");

	snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");

	snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");

	snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");

	snd_soc_dapm_nc_pin(dapm, "IN1LN");

	snd_soc_dapm_nc_pin(dapm, "IN1LP");

	snd_soc_dapm_nc_pin(dapm, "IN1RP");

	snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");

	snd_soc_dapm_nc_pin(dapm, "IN2RN");

	snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");

	snd_soc_dapm_nc_pin(dapm, "IN2LN");



	snd_soc_dapm_sync(dapm);



	return 0;

}



static int brownstone_wm8994_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 *codec_dai = rtd->codec_dai;

	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;

	int freq_out, sspa_mclk, sysclk;

	int sspa_div;



	if (params_rate(params) > 11025) {

		freq_out  = params_rate(params) * 512;

		sysclk    = params_rate(params) * 256;

		sspa_mclk = params_rate(params) * 64;

	} else {

		freq_out  = params_rate(params) * 1024;

		sysclk    = params_rate(params) * 512;

		sspa_mclk = params_rate(params) * 64;

	}

	sspa_div = freq_out;

	do_div(sspa_div, sspa_mclk);



	snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0);

	snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk);

	snd_soc_dai_set_pll(cpu_dai, MMP_SSPA_CLK, 0, freq_out, sspa_mclk);



	/* set wm8994 sysclk */

	snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, sysclk, 0);



	return 0;

}



/* machine stream operations */

static struct snd_soc_ops brownstone_ops = {

	.hw_params = brownstone_wm8994_hw_params,

};



static struct snd_soc_dai_link brownstone_wm8994_dai[] = {

{

	.name		= "WM8994",

	.stream_name	= "WM8994 HiFi",

	.cpu_dai_name	= "mmp-sspa-dai.0",

	.codec_dai_name	= "wm8994-aif1",

	.platform_name	= "mmp-pcm-audio",

	.codec_name	= "wm8994-codec",

	.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |

				SND_SOC_DAIFMT_CBS_CFS,

	.ops		= &brownstone_ops,

	.init		= brownstone_wm8994_init,

},

};



/* audio machine driver */

static struct snd_soc_card brownstone = {

	.name         = "brownstone",

	.dai_link     = brownstone_wm8994_dai,

	.num_links    = ARRAY_SIZE(brownstone_wm8994_dai),



	.controls = brownstone_dapm_control,

	.num_controls = ARRAY_SIZE(brownstone_dapm_control),

	.dapm_widgets = brownstone_dapm_widgets,

	.num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),

	.dapm_routes = brownstone_audio_map,

	.num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),

};



static int __devinit brownstone_probe(struct platform_device *pdev)

{

	int ret;



	brownstone.dev = &pdev->dev;

	ret = snd_soc_register_card(&brownstone);

	if (ret)

		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",

				ret);

	return ret;

}



static int __devexit brownstone_remove(struct platform_device *pdev)

{

	snd_soc_unregister_card(&brownstone);

	return 0;

}



static struct platform_driver mmp_driver = {

	.driver		= {

		.name	= "brownstone-audio",

		.owner	= THIS_MODULE,

	},

	.probe		= brownstone_probe,

	.remove		= __devexit_p(brownstone_remove),

};



module_platform_driver(mmp_driver);



MODULE_AUTHOR("Leo Yan <leoy@marvell.com>");

MODULE_DESCRIPTION("ALSA SoC Brownstone");

MODULE_LICENSE("GPL");