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Commit ab40d4f1 authored by Ian Molton's avatar Ian Molton Committed by Jaroslav Kysela
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[ALSA] soc - Preliminary ac97 drivers for Toshiba e800 PDAs 



Currently only the AUX channel is used (touchscreen)

Signed-off-by: default avatarIan Molton <spyro@f2s.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 6cab2d3d

sound/soc/pxa/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -53,3 +53,12 @@ config SND_PXA2XX_SOC_TOSA 
	help

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

	  Zaurus SL-C6000x models (Tosa).



config SND_PXA2XX_SOC_E800

	tristate "SoC AC97 Audio support for e800"

	depends on SND_PXA2XX_SOC && MACH_E800

	select SND_SOC_WM9712

	select SND_PXA2XX_SOC_AC97

	help

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

	  Toshiba e800 PDA

sound/soc/pxa/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -11,10 +11,12 @@ obj-$(CONFIG_SND_PXA2XX_SOC_I2S) += snd-soc-pxa2xx-i2s.o 
snd-soc-corgi-objs := corgi.o

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

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

snd-soc-e800-objs := e800_wm9712.o

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



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

obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o

obj-$(CONFIG_SND_PXA2XX_SOC_TOSA) += snd-soc-tosa.o

obj-$(CONFIG_SND_PXA2XX_SOC_E800) += snd-soc-e800.o

obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o

sound/soc/pxa/e800_wm9712.c

0 → 100644
+89 −0
Original line number Diff line number Diff line 
/*

 * e800-wm9712.c  --  SoC audio for e800

 *

 * Based on tosa.c

 *

 * Copyright 2007 (c) Ian Molton <spyro@f2s.com>

 *

 *  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; version 2 ONLY.

 *

 */



#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 <asm/arch/pxa-regs.h>

#include <asm/arch/hardware.h>

#include <asm/arch/audio.h>



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

#include "pxa2xx-pcm.h"

#include "pxa2xx-ac97.h"



static struct snd_soc_machine e800;



static struct snd_soc_dai_link e800_dai[] = {

{

	.name = "AC97 Aux",

	.stream_name = "AC97 Aux",

	.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],

	.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],

},

};



static struct snd_soc_machine e800 = {

	.name = "Toshiba e800",

	.dai_link = e800_dai,

	.num_links = ARRAY_SIZE(e800_dai),

};



static struct snd_soc_device e800_snd_devdata = {

	.machine = &e800,

	.platform = &pxa2xx_soc_platform,

	.codec_dev = &soc_codec_dev_wm9712,

};



static struct platform_device *e800_snd_device;



static int __init e800_init(void)

{

	int ret;



	if (!machine_is_e800())

		return -ENODEV;



	e800_snd_device = platform_device_alloc("soc-audio", -1);

	if (!e800_snd_device)

		return -ENOMEM;



	platform_set_drvdata(e800_snd_device, &e800_snd_devdata);

	e800_snd_devdata.dev = &e800_snd_device->dev;

	ret = platform_device_add(e800_snd_device);



	if (ret)

		platform_device_put(e800_snd_device);



	return ret;

}



static void __exit e800_exit(void)

{

	platform_device_unregister(e800_snd_device);

}



module_init(e800_init);

module_exit(e800_exit);



/* Module information */

MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");

MODULE_DESCRIPTION("ALSA SoC driver for e800");

MODULE_LICENSE("GPL");