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Commit cb07ef36 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mark Brown
Browse files

ASoC: Blackfin: ADAU1X81 eval board support 



This patch adds a ASoC machine driver to support the EVAL-ADAU1X81 board
connected to a Analog Devices BF5XX evaluation board.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 5dcdbee9

sound/soc/blackfin/Kconfig

+13 −0
Original line number Diff line number Diff line
@@ -56,6 +56,19 @@ config SND_SOC_BFIN_EVAL_ADAU1X61 
	  Note: This driver assumes that the ADAU1X61 is connected to the

	  first SPORT port on the BF5XX board.



config SND_SOC_BFIN_EVAL_ADAU1X81

	tristate "Support for the EVAL-ADAU1X81 boards on Blackfin eval boards"

	depends on SND_BF5XX_I2S && I2C

	select SND_BF5XX_SOC_I2S

	select SND_SOC_ADAU1781_I2C

	help

	  Say Y if you want to add support for the Analog Devices EVAL-ADAU1X81

	  board connected to one of the Blackfin evaluation boards like the

	  BF5XX-STAMP or BF5XX-EZKIT.



	  Note: This driver assumes that the ADAU1X81 is connected to the

	  first SPORT port on the BF5XX board.



config SND_SOC_BFIN_EVAL_ADAV80X

	tristate "Support for the EVAL-ADAV80X boards on Blackfin eval boards"

	depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI

sound/soc/blackfin/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ snd-ad73311-objs := bf5xx-ad73311.o 
snd-ad193x-objs := bf5xx-ad193x.o

snd-soc-bfin-eval-adau1373-objs := bfin-eval-adau1373.o

snd-soc-bfin-eval-adau1x61-objs := bfin-eval-adau1x61.o

snd-soc-bfin-eval-adau1x81-objs := bfin-eval-adau1x81.o

snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o

snd-soc-bfin-eval-adav80x-objs := bfin-eval-adav80x.o
@@ -33,5 +34,6 @@ obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o 
obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1373) += snd-soc-bfin-eval-adau1373.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X61) += snd-soc-bfin-eval-adau1x61.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X81) += snd-soc-bfin-eval-adau1x81.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1701) += snd-soc-bfin-eval-adau1701.o

obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAV80X) += snd-soc-bfin-eval-adav80x.o

sound/soc/blackfin/bfin-eval-adau1x81.c

0 → 100644
+130 −0
Original line number Diff line number Diff line 
/*

 * Machine driver for EVAL-ADAU1x81 on Analog Devices bfin

 * evaluation boards.

 *

 * Copyright 2011-2014 Analog Devices Inc.

 * Author: Lars-Peter Clausen <lars@metafoo.de>

 *

 * Licensed under the GPL-2 or later.

 */



#include <linux/module.h>

#include <linux/device.h>

#include <linux/slab.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/pcm_params.h>



#include "../codecs/adau17x1.h"



static const struct snd_soc_dapm_widget bfin_eval_adau1x81_dapm_widgets[] = {

	SND_SOC_DAPM_LINE("Stereo In", NULL),

	SND_SOC_DAPM_LINE("Beep", NULL),



	SND_SOC_DAPM_SPK("Speaker", NULL),

	SND_SOC_DAPM_HP("Headphone", NULL),

};



static const struct snd_soc_dapm_route bfin_eval_adau1x81_dapm_routes[] = {

	{ "BEEP", NULL, "Beep" },

	{ "LMIC", NULL, "Stereo In" },

	{ "LMIC", NULL, "Stereo In" },



	{ "Headphone", NULL, "AOUTL" },

	{ "Headphone", NULL, "AOUTR" },

	{ "Speaker", NULL, "SP" },

};



static int bfin_eval_adau1x81_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;

	int pll_rate;

	int ret;



	switch (params_rate(params)) {

	case 48000:

	case 8000:

	case 12000:

	case 16000:

	case 24000:

	case 32000:

	case 96000:

		pll_rate = 48000 * 1024;

		break;

	case 44100:

	case 7350:

	case 11025:

	case 14700:

	case 22050:

	case 29400:

	case 88200:

		pll_rate = 44100 * 1024;

		break;

	default:

		return -EINVAL;

	}



	ret = snd_soc_dai_set_pll(codec_dai, ADAU17X1_PLL,

			ADAU17X1_PLL_SRC_MCLK, 12288000, pll_rate);

	if (ret)

		return ret;



	ret = snd_soc_dai_set_sysclk(codec_dai, ADAU17X1_CLK_SRC_PLL, pll_rate,

			SND_SOC_CLOCK_IN);



	return ret;

}



static const struct snd_soc_ops bfin_eval_adau1x81_ops = {

	.hw_params = bfin_eval_adau1x81_hw_params,

};



static struct snd_soc_dai_link bfin_eval_adau1x81_dai = {

	.name = "adau1x81",

	.stream_name = "adau1x81",

	.cpu_dai_name = "bfin-i2s.0",

	.codec_dai_name = "adau-hifi",

	.platform_name = "bfin-i2s-pcm-audio",

	.codec_name = "adau1781.0-0038",

	.ops = &bfin_eval_adau1x81_ops,

	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |

		SND_SOC_DAIFMT_CBM_CFM,

};



static struct snd_soc_card bfin_eval_adau1x81 = {

	.name = "bfin-eval-adau1x81",

	.driver_name = "eval-adau1x81",

	.dai_link = &bfin_eval_adau1x81_dai,

	.num_links = 1,



	.dapm_widgets = bfin_eval_adau1x81_dapm_widgets,

	.num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1x81_dapm_widgets),

	.dapm_routes = bfin_eval_adau1x81_dapm_routes,

	.num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1x81_dapm_routes),

	.fully_routed = true,

};



static int bfin_eval_adau1x81_probe(struct platform_device *pdev)

{

	bfin_eval_adau1x81.dev = &pdev->dev;



	return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1x81);

}



static struct platform_driver bfin_eval_adau1x81_driver = {

	.driver = {

		.name = "bfin-eval-adau1x81",

		.owner = THIS_MODULE,

		.pm = &snd_soc_pm_ops,

	},

	.probe = bfin_eval_adau1x81_probe,

};

module_platform_driver(bfin_eval_adau1x81_driver);



MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");

MODULE_DESCRIPTION("ALSA SoC bfin adau1x81 driver");

MODULE_LICENSE("GPL");

MODULE_ALIAS("platform:bfin-eval-adau1x81");