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