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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Ola Lilja ola.o.lilja@stericsson.com,
* 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/ab3550.h"
static struct platform_device *ux500_ab3550_platform_device;
#define AB3550_DAI_FMT_I2S_M (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM)
#define AB3550_DAI_FMT_I2S_S (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS)
#define AB3550_DAI_FMT AB3550_DAI_FMT_I2S_S
static int ux500_ab3550_startup(struct snd_pcm_substream *substream)
{
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Enter\n",
__func__);
return 0;
}
static void ux500_ab3550_shutdown(struct snd_pcm_substream *substream)
{
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Enter\n",
__func__);
}
static int ux500_ab3550_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->dai->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
int ifid, ret = 0;
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Enter\n",
__func__);
dev_dbg(&ux500_ab3550_platform_device->dev,
"%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);
for (ifid = 0; ifid < ARRAY_SIZE(ab3550_codec_dai); ifid++) {
if (strcmp(codec_dai->name, ab3550_codec_dai[ifid].name) == 0)
break;
}
if (codec_dai->ops.set_fmt) {
ret = snd_soc_dai_set_fmt(codec_dai, AB3550_DAI_FMT);
if (ret < 0) {
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: snd_soc_dai_set_fmt failed with %d.\n",
__func__,
ret);
return ret;
}
ret = snd_soc_dai_set_fmt(cpu_dai, AB3550_DAI_FMT);
if (ret < 0) {
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: snd_soc_dai_set_fmt"
" failed with %d.\n", __func__, ret);
return ret;
}
}
return ret;
}
static struct snd_soc_ops ux500_ab3550_ops = {
.startup = ux500_ab3550_startup,
.shutdown = ux500_ab3550_shutdown,
.hw_params = ux500_ab3550_hw_params,
};
struct snd_soc_dai_link ux500_ab3550_dai_links[] = {
{
.name = "ab3550_0",
.stream_name = "ab3550_0",
.cpu_dai = &ux500_msp_dai[0],
.codec_dai = &ab3550_codec_dai[0],
.init = NULL,
.ops = &ux500_ab3550_ops,
},
{
.name = "ab3550_1",
.stream_name = "ab3550_1",
.cpu_dai = &ux500_msp_dai[1],
.codec_dai = &ab3550_codec_dai[1],
.init = NULL,
.ops = &ux500_ab3550_ops,
},
};
static struct snd_soc_card ux500_ab3550 = {
.name = "ab3550",
.probe = NULL,
.dai_link = ux500_ab3550_dai_links,
.num_links = ARRAY_SIZE(ux500_ab3550_dai_links),
.platform = &ux500_soc_platform,
};
struct snd_soc_device ux500_ab3550_drvdata = {
.card = &ux500_ab3550,
.codec_dev = &soc_codec_dev_ab3550,
};
static int __init mop500_ab3550_soc_init(void)
{
int i;
int ret = 0;
pr_debug("%s: Enter\n",
__func__);
pr_debug("%s: Card name: %s\n",
__func__,
ux500_ab3550_drvdata.card->name);
for (i = 0; i < ARRAY_SIZE(ux500_ab3550_dai_links); i++) {
pr_debug("%s: DAI-link %d, name: %s\n",
__func__,
i,
ux500_ab3550_drvdata.card->dai_link[i].name);
pr_debug("%s: DAI-link %d, stream_name: %s\n",
__func__,
i,
ux500_ab3550_drvdata.card->dai_link[i].stream_name);
}
pr_debug("%s: Allocate platform device (%s)\n",
__func__,
ux500_ab3550_drvdata.card->name);
ux500_ab3550_platform_device = platform_device_alloc("soc-audio", -1);
if (!ux500_ab3550_platform_device)
return -ENOMEM;
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Set platform drvdata (%s)\n",
__func__,
ux500_ab3550_drvdata.card->name);
platform_set_drvdata(
ux500_ab3550_platform_device,
&ux500_ab3550_drvdata);
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Add platform device (%s)\n",
__func__,
ux500_ab3550_drvdata.card->name);
ux500_ab3550_drvdata.dev = &ux500_ab3550_platform_device->dev;
ret = platform_device_add(ux500_ab3550_platform_device);
if (ret) {
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Error: Failed to add platform device (%s)\n",
__func__,
ux500_ab3550_drvdata.card->name);
platform_device_put(ux500_ab3550_platform_device);
}
return ret;
}
module_init(mop500_ab3550_soc_init);
static void __exit mop500_ab3550_soc_exit(void)
{
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Enter.\n",
__func__);
dev_dbg(&ux500_ab3550_platform_device->dev,
"%s: Un-register platform device (%s)\n",
__func__,
ux500_ab3550_drvdata.card->name);
platform_device_unregister(ux500_ab3550_platform_device);
}
module_exit(mop500_ab3550_soc_exit);
MODULE_LICENSE("GPL");
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