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ASoC: ep93xx: add Simplemachines Sim.One AC97 audio support

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Add AC97 audio support for Simplemachines Sim.One board.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mika Westerberg 2010-10-14 17:49:08 +03:00 committed by Mark Brown
parent 534bc7fa3c
commit d42a280dc7
4 changed files with 101 additions and 0 deletions
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1
arch/arm/mach-ep93xx/simone.c
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@ -61,6 +61,7 @@ static void __init simone_init_machine(void)
ep93xx_register_fb(&simone_fb_info);
ep93xx_register_i2c(&simone_i2c_gpio_data, simone_i2c_board_info,
ARRAY_SIZE(simone_i2c_board_info));
ep93xx_register_ac97();
}
MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")

9
sound/soc/ep93xx/Kconfig
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@ -21,3 +21,12 @@ config SND_EP93XX_SOC_SNAPPERCL15
help
Say Y or M here if you want to add support for I2S audio on the
Bluewater Systems Snapper CL15 module.
config SND_EP93XX_SOC_SIMONE
tristate "SoC Audio support for Simplemachines Sim.One board"
depends on SND_EP93XX_SOC && MACH_SIM_ONE
select SND_EP93XX_SOC_AC97
select SND_SOC_AC97_CODEC
help
Say Y or M here if you want to add support for AC97 audio on the
Simplemachines Sim.One board.

2
sound/soc/ep93xx/Makefile
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@ -9,5 +9,7 @@ obj-$(CONFIG_SND_EP93XX_SOC_AC97) += snd-soc-ep93xx-ac97.o
# EP93XX Machine Support
snd-soc-snappercl15-objs := snappercl15.o
snd-soc-simone-objs := simone.o
obj-$(CONFIG_SND_EP93XX_SOC_SNAPPERCL15) += snd-soc-snappercl15.o
obj-$(CONFIG_SND_EP93XX_SOC_SIMONE) += snd-soc-simone.o

89
sound/soc/ep93xx/simone.c Normal file
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@ -0,0 +1,89 @@
/*
* simone.c -- ASoC audio for Simplemachines Sim.One board
*
* Copyright (c) 2010 Mika Westerberg
*
* Based on snappercl15 machine driver by Ryan Mallon.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include "ep93xx-pcm.h"
static struct snd_soc_dai_link simone_dai = {
.name = "AC97",
.stream_name = "AC97 HiFi",
.cpu_dai_name = "ep93xx-ac97",
.codec_dai_name = "ac97-hifi",
.codec_name = "ac97-codec",
.platform_name = "ep93xx-pcm-audio",
};
static struct snd_soc_card snd_soc_simone = {
.name = "Sim.One",
.dai_link = &simone_dai,
.num_links = 1,
};
static struct platform_device *simone_snd_ac97_device;
static struct platform_device *simone_snd_device;
static int __init simone_init(void)
{
int ret;
if (!machine_is_sim_one())
return -ENODEV;
simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1);
if (!simone_snd_ac97_device)
return -ENOMEM;
ret = platform_device_add(simone_snd_ac97_device);
if (ret)
goto fail;
simone_snd_device = platform_device_alloc("soc-audio", -1);
if (!simone_snd_device) {
ret = -ENOMEM;
goto fail;
}
platform_set_drvdata(simone_snd_device, &snd_soc_simone);
ret = platform_device_add(simone_snd_device);
if (ret) {
platform_device_put(simone_snd_device);
goto fail;
}
return ret;
fail:
platform_device_put(simone_snd_ac97_device);
return ret;
}
module_init(simone_init);
static void __exit simone_exit(void)
{
platform_device_unregister(simone_snd_device);
platform_device_unregister(simone_snd_ac97_device);
}
module_exit(simone_exit);
MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
MODULE_LICENSE("GPL");