android_kernel_xiaomi_sdm845/sound/soc/blackfin/bf5xx-ad1980.c
Sonic Zhang 2e2211a387 ASoC: add AD1980 obsolete information
This codec has been obsoleted by ADI, so add appropriate warnings to the
source tree to dissuade people from using in new designs based on driver
support.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-08-10 15:43:45 +01:00

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");