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Commit a9262c4f authored by Jon Smirl's avatar Jon Smirl Committed by Mark Brown
Browse files

ASoC: Support for AC97 on Phytec pmc030 base board. 



A wm9712 AC97 codec is used.

Signed-off-by: default avatarJon Smirl <jonsmirl@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 20d0e152

sound/soc/fsl/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -39,4 +39,11 @@ config SND_SOC_MPC5200_AC97 
	help

	  Say Y here to support the MPC5200 PSCs in AC97 mode.



config SND_MPC52xx_SOC_PCM030

	tristate "SoC AC97 Audio support for Phytec pcm030 and WM9712"

	depends on PPC_MPC5200_SIMPLE

	select SND_SOC_MPC5200_AC97

	select SND_SOC_WM9712

	help

	  Say Y if you want to add support for sound on the Phytec pcm030 baseboard.

sound/soc/fsl/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -15,3 +15,6 @@ obj-$(CONFIG_SND_MPC52xx_DMA) += mpc5200_dma.o 
obj-$(CONFIG_SND_SOC_MPC5200_I2S) += mpc5200_psc_i2s.o

obj-$(CONFIG_SND_SOC_MPC5200_AC97) += mpc5200_psc_ac97.o



# MPC5200 Machine Support

obj-$(CONFIG_SND_MPC52xx_SOC_PCM030) += pcm030-audio-fabric.o

sound/soc/fsl/pcm030-audio-fabric.c

0 → 100644
+90 −0
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/*

 * Phytec pcm030 driver for the PSC of the Freescale MPC52xx

 * configured as AC97 interface

 *

 * Copyright 2008 Jon Smirl, Digispeaker

 * Author: Jon Smirl <jonsmirl@gmail.com>

 *

 * This file is licensed under the terms of the GNU General Public License

 * version 2. This program is licensed "as is" without any warranty of any

 * kind, whether express or implied.

 */



#include <linux/init.h>

#include <linux/module.h>

#include <linux/interrupt.h>

#include <linux/device.h>

#include <linux/delay.h>

#include <linux/of_device.h>

#include <linux/of_platform.h>

#include <linux/dma-mapping.h>



#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/pcm_params.h>

#include <sound/initval.h>

#include <sound/soc.h>

#include <sound/soc-of-simple.h>



#include "mpc5200_dma.h"

#include "mpc5200_psc_ac97.h"

#include "../codecs/wm9712.h"



static struct snd_soc_device device;

static struct snd_soc_card card;



static struct snd_soc_dai_link pcm030_fabric_dai[] = {

{

	.name = "AC97",

	.stream_name = "AC97 Analog",

	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],

	.cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],

},

{

	.name = "AC97",

	.stream_name = "AC97 IEC958",

	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],

	.cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],

},

};



static __init int pcm030_fabric_init(void)

{

	struct platform_device *pdev;

	int rc;



	if (!machine_is_compatible("phytec,pcm030"))

		return -ENODEV;



	card.platform = &mpc5200_audio_dma_platform;

	card.name = "pcm030";

	card.dai_link = pcm030_fabric_dai;

	card.num_links = ARRAY_SIZE(pcm030_fabric_dai);



	device.card = &card;

	device.codec_dev = &soc_codec_dev_wm9712;



	pdev = platform_device_alloc("soc-audio", 1);

	if (!pdev) {

		pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");

		return -ENODEV;

	}



	platform_set_drvdata(pdev, &device);

	device.dev = &pdev->dev;



	rc = platform_device_add(pdev);

	if (rc) {

		pr_err("pcm030_fabric_init: platform_device_add() failed\n");

		return -ENODEV;

	}

	return 0;

}



module_init(pcm030_fabric_init);





MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");

MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");

MODULE_LICENSE("GPL");