122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/*
|
|
* File: sound/soc/blackfin/bf5xx-ad1980.c
|
|
* Author: Cliff Cai <Cliff.Cai@analog.com>
|
|
*
|
|
* Created: Tue June 06 2008
|
|
* Description: Board driver for AD1980/1 audio codec
|
|
*
|
|
* Modified:
|
|
* Copyright 2008 Analog Devices Inc.
|
|
*
|
|
* Bugs: Enter bugs at http://blackfin.uclinux.org/
|
|
*
|
|
* 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see the file COPYING, or write
|
|
* to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/*
|
|
* WARNING:
|
|
*
|
|
* Because Analog Devices Inc. discontinued the ad1980 sound chip since
|
|
* Sep. 2009, this ad1980 driver is not maintained, tested and supported
|
|
* by ADI now.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/device.h>
|
|
#include <asm/dma.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
|
|
#include <linux/gpio.h>
|
|
#include <asm/portmux.h>
|
|
|
|
#include "../codecs/ad1980.h"
|
|
#include "bf5xx-sport.h"
|
|
#include "bf5xx-ac97-pcm.h"
|
|
#include "bf5xx-ac97.h"
|
|
|
|
static struct snd_soc_card bf5xx_board;
|
|
|
|
static int bf5xx_board_startup(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
|
|
|
|
pr_debug("%s enter\n", __func__);
|
|
cpu_dai->private_data = sport_handle;
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_ops bf5xx_board_ops = {
|
|
.startup = bf5xx_board_startup,
|
|
};
|
|
|
|
static struct snd_soc_dai_link bf5xx_board_dai = {
|
|
.name = "AC97",
|
|
.stream_name = "AC97 HiFi",
|
|
.cpu_dai = &bfin_ac97_dai,
|
|
.codec_dai = &ad1980_dai,
|
|
.ops = &bf5xx_board_ops,
|
|
};
|
|
|
|
static struct snd_soc_card bf5xx_board = {
|
|
.name = "bf5xx-board",
|
|
.platform = &bf5xx_ac97_soc_platform,
|
|
.dai_link = &bf5xx_board_dai,
|
|
.num_links = 1,
|
|
};
|
|
|
|
static struct snd_soc_device bf5xx_board_snd_devdata = {
|
|
.card = &bf5xx_board,
|
|
.codec_dev = &soc_codec_dev_ad1980,
|
|
};
|
|
|
|
static struct platform_device *bf5xx_board_snd_device;
|
|
|
|
static int __init bf5xx_board_init(void)
|
|
{
|
|
int ret;
|
|
|
|
bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
|
|
if (!bf5xx_board_snd_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata);
|
|
bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev;
|
|
ret = platform_device_add(bf5xx_board_snd_device);
|
|
|
|
if (ret)
|
|
platform_device_put(bf5xx_board_snd_device);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit bf5xx_board_exit(void)
|
|
{
|
|
platform_device_unregister(bf5xx_board_snd_device);
|
|
}
|
|
|
|
module_init(bf5xx_board_init);
|
|
module_exit(bf5xx_board_exit);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Cliff Cai");
|
|
MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
|
|
MODULE_LICENSE("GPL");
|