da155d5b40
Lots of sound drivers were getting module.h via the implicit presence of it in <linux/device.h> but we are going to clean that up. So fix up those users now. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/*
|
|
* omap3evm.c -- ALSA SoC support for OMAP3 EVM
|
|
*
|
|
* Author: Anuj Aggarwal <anuj.aggarwal@ti.com>
|
|
*
|
|
* Based on sound/soc/omap/beagle.c by Steve Sakoman
|
|
*
|
|
* Copyright (C) 2008 Texas Instruments, Incorporated
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
|
|
* whether express or implied; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/module.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/gpio.h>
|
|
#include <plat/mcbsp.h>
|
|
|
|
#include "omap-mcbsp.h"
|
|
#include "omap-pcm.h"
|
|
|
|
static int omap3evm_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 ret;
|
|
|
|
/* Set the codec system clock for DAC and ADC */
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000,
|
|
SND_SOC_CLOCK_IN);
|
|
if (ret < 0) {
|
|
printk(KERN_ERR "Can't set codec system clock\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_ops omap3evm_ops = {
|
|
.hw_params = omap3evm_hw_params,
|
|
};
|
|
|
|
/* Digital audio interface glue - connects codec <--> CPU */
|
|
static struct snd_soc_dai_link omap3evm_dai = {
|
|
.name = "TWL4030",
|
|
.stream_name = "TWL4030",
|
|
.cpu_dai_name = "omap-mcbsp-dai.1",
|
|
.codec_dai_name = "twl4030-hifi",
|
|
.platform_name = "omap-pcm-audio",
|
|
.codec_name = "twl4030-codec",
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
|
|
SND_SOC_DAIFMT_CBM_CFM,
|
|
.ops = &omap3evm_ops,
|
|
};
|
|
|
|
/* Audio machine driver */
|
|
static struct snd_soc_card snd_soc_omap3evm = {
|
|
.name = "omap3evm",
|
|
.dai_link = &omap3evm_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
static struct platform_device *omap3evm_snd_device;
|
|
|
|
static int __init omap3evm_soc_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (!machine_is_omap3evm())
|
|
return -ENODEV;
|
|
pr_info("OMAP3 EVM SoC init\n");
|
|
|
|
omap3evm_snd_device = platform_device_alloc("soc-audio", -1);
|
|
if (!omap3evm_snd_device) {
|
|
printk(KERN_ERR "Platform device allocation failed\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
platform_set_drvdata(omap3evm_snd_device, &snd_soc_omap3evm);
|
|
ret = platform_device_add(omap3evm_snd_device);
|
|
if (ret)
|
|
goto err1;
|
|
|
|
return 0;
|
|
|
|
err1:
|
|
printk(KERN_ERR "Unable to add platform device\n");
|
|
platform_device_put(omap3evm_snd_device);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit omap3evm_soc_exit(void)
|
|
{
|
|
platform_device_unregister(omap3evm_snd_device);
|
|
}
|
|
|
|
module_init(omap3evm_soc_init);
|
|
module_exit(omap3evm_soc_exit);
|
|
|
|
MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>");
|
|
MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM");
|
|
MODULE_LICENSE("GPL v2");
|