LXR linux/sound/soc/blackfin/bf5xx-ad1980.c

   1/*
   2 * File:         sound/soc/blackfin/bf5xx-ad1980.c
   3 * Author:       Cliff Cai <Cliff.Cai@analog.com>
   4 *
   5 * Created:      Tue June 06 2008
   6 * Description:  Board driver for AD1980/1 audio codec
   7 *
   8 * Modified:
   9 *               Copyright 2008 Analog Devices Inc.
  10 *
  11 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  12 *
  13 * This program is free software; you can redistribute it and/or modify
  14 * it under the terms of the GNU General Public License as published by
  15 * the Free Software Foundation; either version 2 of the License, or
  16 * (at your option) any later version.
  17 *
  18 * This program is distributed in the hope that it will be useful,
  19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 * GNU General Public License for more details.
  22 *
  23 * You should have received a copy of the GNU General Public License
  24 * along with this program; if not, see the file COPYING, or write
  25 * to the Free Software Foundation, Inc.,
  26 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  27 */
  28
  29/*
  30 * WARNING:
  31 *
  32 * Because Analog Devices Inc. discontinued the ad1980 sound chip since
  33 * Sep. 2009, this ad1980 driver is not maintained, tested and supported
  34 * by ADI now.
  35 */
  36
  37#include <linux/module.h>
  38#include <linux/moduleparam.h>
  39#include <linux/device.h>
  40#include <asm/dma.h>
  41
  42#include <sound/core.h>
  43#include <sound/pcm.h>
  44#include <sound/soc.h>
  45
  46#include <linux/gpio.h>
  47#include <asm/portmux.h>
  48
  49#include "../codecs/ad1980.h"
  50
  51#include "bf5xx-ac97.h"
  52
  53static struct snd_soc_card bf5xx_board;
  54
  55static struct snd_soc_dai_link bf5xx_board_dai[] = {
  56        {
  57                .name = "AC97",
  58                .stream_name = "AC97 HiFi",
  59                .cpu_dai_name = "bfin-ac97.0",
  60                .codec_dai_name = "ad1980-hifi",
  61                .platform_name = "bfin-ac97-pcm-audio",
  62                .codec_name = "ad1980",
  63        },
  64        {
  65                .name = "AC97",
  66                .stream_name = "AC97 HiFi",
  67                .cpu_dai_name = "bfin-ac97.1",
  68                .codec_dai_name = "ad1980-hifi",
  69                .platform_name = "bfin-ac97-pcm-audio",
  70                .codec_name = "ad1980",
  71        },
  72};
  73
  74static struct snd_soc_card bf5xx_board = {
  75        .name = "bfin-ad1980",
  76        .owner = THIS_MODULE,
  77        .dai_link = &bf5xx_board_dai[CONFIG_SND_BF5XX_SPORT_NUM],
  78        .num_links = 1,
  79};
  80
  81static struct platform_device *bf5xx_board_snd_device;
  82
  83static int __init bf5xx_board_init(void)
  84{
  85        int ret;
  86
  87        bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
  88        if (!bf5xx_board_snd_device)
  89                return -ENOMEM;
  90
  91        platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board);
  92        ret = platform_device_add(bf5xx_board_snd_device);
  93
  94        if (ret)
  95                platform_device_put(bf5xx_board_snd_device);
  96
  97        return ret;
  98}
  99
 100static void __exit bf5xx_board_exit(void)
 101{
 102        platform_device_unregister(bf5xx_board_snd_device);
 103}
 104
 105module_init(bf5xx_board_init);
 106module_exit(bf5xx_board_exit);
 107
 108/* Module information */
 109MODULE_AUTHOR("Cliff Cai");
 110MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
 111MODULE_LICENSE("GPL");
 112