mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
b88546324e
The bf5xx-i2s driver now has support for TDM mode and the bf5xx-tdm driver is going to be removed soon, so switch the driver over to bf5xx-i2s. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/*
|
|
* File: sound/soc/blackfin/bf5xx-ad193x.c
|
|
* Author: Barry Song <Barry.Song@analog.com>
|
|
*
|
|
* Created: Thur June 4 2009
|
|
* Description: Board driver for ad193x sound chip
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/device.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/pcm_params.h>
|
|
|
|
#include <asm/blackfin.h>
|
|
#include <asm/cacheflush.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/dma.h>
|
|
#include <asm/portmux.h>
|
|
|
|
#include "../codecs/ad193x.h"
|
|
|
|
static struct snd_soc_card bf5xx_ad193x;
|
|
|
|
static int bf5xx_ad193x_link_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
|
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, 24576000, SND_SOC_CLOCK_IN);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* set codec DAI slots, 8 channels, all channels are enabled */
|
|
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xFF, 0xFF, 8, 32);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define BF5XX_AD193X_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
|
|
SND_SOC_DAIFMT_CBM_CFM)
|
|
|
|
static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
|
|
{
|
|
.name = "ad193x",
|
|
.stream_name = "AD193X",
|
|
.cpu_dai_name = "bfin-i2s.0",
|
|
.codec_dai_name ="ad193x-hifi",
|
|
.platform_name = "bfin-i2s-pcm-audio",
|
|
.codec_name = "spi0.5",
|
|
.dai_fmt = BF5XX_AD193X_DAIFMT,
|
|
.init = bf5xx_ad193x_link_init,
|
|
},
|
|
{
|
|
.name = "ad193x",
|
|
.stream_name = "AD193X",
|
|
.cpu_dai_name = "bfin-i2s.1",
|
|
.codec_dai_name ="ad193x-hifi",
|
|
.platform_name = "bfin-i2s-pcm-audio",
|
|
.codec_name = "spi0.5",
|
|
.dai_fmt = BF5XX_AD193X_DAIFMT,
|
|
.init = bf5xx_ad193x_link_init,
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card bf5xx_ad193x = {
|
|
.name = "bfin-ad193x",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = &bf5xx_ad193x_dai[CONFIG_SND_BF5XX_SPORT_NUM],
|
|
.num_links = 1,
|
|
};
|
|
|
|
static struct platform_device *bfxx_ad193x_snd_device;
|
|
|
|
static int __init bf5xx_ad193x_init(void)
|
|
{
|
|
int ret;
|
|
|
|
bfxx_ad193x_snd_device = platform_device_alloc("soc-audio", -1);
|
|
if (!bfxx_ad193x_snd_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(bfxx_ad193x_snd_device, &bf5xx_ad193x);
|
|
ret = platform_device_add(bfxx_ad193x_snd_device);
|
|
|
|
if (ret)
|
|
platform_device_put(bfxx_ad193x_snd_device);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit bf5xx_ad193x_exit(void)
|
|
{
|
|
platform_device_unregister(bfxx_ad193x_snd_device);
|
|
}
|
|
|
|
module_init(bf5xx_ad193x_init);
|
|
module_exit(bf5xx_ad193x_exit);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Barry Song");
|
|
MODULE_DESCRIPTION("ALSA SoC AD193X board driver");
|
|
MODULE_LICENSE("GPL");
|
|
|