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ASoC: Support for AC97 on Phytec pmc030 base board.

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A wm9712 AC97 codec is used.

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Jon Smirl 2009-05-26 08:34:12 -04:00 committed by Mark Brown
parent 20d0e1520e
commit a9262c4fd4
3 changed files with 100 additions and 0 deletions
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7
sound/soc/fsl/Kconfig
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@ -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.

3
sound/soc/fsl/Makefile
View File

@ -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

90
sound/soc/fsl/pcm030-audio-fabric.c Normal file
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@ -0,0 +1,90 @@
/*
* 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");