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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Roger Nilsson roger.xr.nilsson@stericsson.com
* for ST-Ericsson.
*
* License terms:
*
* 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/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/io.h>
#include <sound/soc.h>
#include "ux500_pcm.h"
#include "ux500_msp_dai.h"
#include "mach/hardware.h"
#include "../codecs/cg29xx.h"
static struct platform_device *ux500_cg29xx_platform_device;
static int ux500_cg29xx_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 *cpu_dai = rtd->dai->cpu_dai;
int ret = 0;
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: substream->pcm->name = %s.\n"
"substream->pcm->id = %s.\n"
"substream->name = %s.\n"
"substream->number = %d.\n",
__func__,
substream->pcm->name,
substream->pcm->id,
substream->name,
substream->number);
if (cpu_dai->ops.set_fmt) {
ret = snd_soc_dai_set_fmt(
cpu_dai,
SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0) {
pr_debug("%s: snd_soc_dai_set_fmt"
" failed with %d.\n",
__func__,
ret);
return ret;
}
}
return ret;
}
static struct snd_soc_ops ux500_cg29xx_ops = {
.hw_params = ux500_cg29xx_hw_params,
};
static int ux500_hdmi_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 *cpu_dai = rtd->dai->cpu_dai;
int ret = 0;
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: substream->pcm->name = %s.\n"
"substream->pcm->id = %s.\n"
"substream->name = %s.\n"
"substream->number = %d.\n",
__func__,
substream->pcm->name,
substream->pcm->id,
substream->name,
substream->number);
if (cpu_dai->ops.set_fmt) {
ret = snd_soc_dai_set_fmt(
cpu_dai, SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_CBM_CFM);
if (ret < 0) {
pr_debug("%s: snd_soc_dai_set_fmt"
" failed with %d.\n",
__func__,
ret);
return ret;
}
}
return 0;
}
static struct snd_soc_ops ux500_hdmi_ops = {
.hw_params = ux500_hdmi_hw_params,
};
struct snd_soc_dai_link ux500_cg29xx_dai_links[] = {
{
.name = "cg29xx_0",
.stream_name = "cg29xx_0",
.cpu_dai = &ux500_msp_dai[0],
.codec_dai = &cg29xx_codec_dai[0],
.init = NULL,
.ops = &ux500_cg29xx_ops,
},
{
.name = "hdmi_0",
.stream_name = "hdmi_0",
.cpu_dai = &ux500_msp_dai[2],
.codec_dai = &cg29xx_codec_dai[0],
.init = NULL,
.ops = &ux500_hdmi_ops,
},
};
static struct snd_soc_card ux500_cg29xx = {
.name = "cg29xx",
.probe = NULL,
.dai_link = ux500_cg29xx_dai_links,
.num_links = ARRAY_SIZE(ux500_cg29xx_dai_links),
.platform = &ux500_soc_platform,
};
struct snd_soc_device ux500_cg29xx_drvdata = {
.card = &ux500_cg29xx,
.codec_dev = &soc_codec_dev_cg29xx,
};
static int __init ux500_cg29xx_soc_init(void)
{
int i;
int ret = 0;
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: Card name: %s\n",
__func__,
ux500_cg29xx_drvdata.card->name);
for (i = 0; i < ARRAY_SIZE(ux500_cg29xx_dai_links); i++) {
pr_debug("%s: DAI-link %d, name: %s\n",
__func__,
i,
ux500_cg29xx_drvdata.card->dai_link[i].name);
pr_debug("%s: DAI-link %d, stream_name: %s\n",
__func__,
i,
ux500_cg29xx_drvdata.card->dai_link[i].stream_name);
}
pr_debug("%s: Allocate platform device (%s).\n",
__func__,
ux500_cg29xx_drvdata.card->name);
ux500_cg29xx_platform_device =
platform_device_alloc("soc-audio", -1);
if (!ux500_cg29xx_platform_device)
return -ENOMEM;
pr_debug("%s: Set platform drvdata (%s).\n",
__func__,
ux500_cg29xx_drvdata.card->name);
platform_set_drvdata(
ux500_cg29xx_platform_device,
&ux500_cg29xx_drvdata);
pr_debug("%s: Add platform device (%s).\n",
__func__,
ux500_cg29xx_drvdata.card->name);
ux500_cg29xx_drvdata.dev = &ux500_cg29xx_platform_device->dev;
ret = platform_device_add(ux500_cg29xx_platform_device);
if (ret) {
pr_debug("%s: Error: Failed to add platform device (%s).\n",
__func__,
ux500_cg29xx_drvdata.card->name);
platform_device_put(ux500_cg29xx_platform_device);
}
return ret;
}
module_init(ux500_cg29xx_soc_init);
static void __exit ux500_cg29xx_soc_exit(void)
{
pr_debug("%s: Enter.\n", __func__);
pr_debug("%s: Un-register platform device (%s).\n",
__func__,
ux500_cg29xx_drvdata.card->name);
platform_device_unregister(ux500_cg29xx_platform_device);
}
module_exit(ux500_cg29xx_soc_exit);
MODULE_LICENSE("GPL");
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