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#include "bf5xx-sport.h" 51#include "bf5xx-ac97-pcm.h" 52#include "bf5xx-ac97.h" 53 54static struct snd_soc_card bf5xx_board; 55 56static int bf5xx_board_startup(struct snd_pcm_substream *substream) 57{ 58 struct snd_soc_pcm_runtime *rtd = substream->private_data; 59 struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; 60 61 pr_debug("%s enter\n", __func__); 62 cpu_dai->private_data = sport_handle; 63 return 0; 64} 65 66static struct snd_soc_ops bf5xx_board_ops = { 67 .startup = bf5xx_board_startup, 68}; 69 70static struct snd_soc_dai_link bf5xx_board_dai = { 71 .name = "AC97", 72 .stream_name = "AC97 HiFi", 73 .cpu_dai = &bfin_ac97_dai, 74 .codec_dai = &ad1980_dai, 75 .ops = &bf5xx_board_ops, 76}; 77 78static struct snd_soc_card bf5xx_board = { 79 .name = "bf5xx-board", 80 .platform = &bf5xx_ac97_soc_platform, 81 .dai_link = &bf5xx_board_dai, 82 .num_links = 1, 83}; 84 85static struct snd_soc_device bf5xx_board_snd_devdata = { 86 .card = &bf5xx_board, 87 .codec_dev = &soc_codec_dev_ad1980, 88}; 89 90static struct platform_device *bf5xx_board_snd_device; 91 92static int __init bf5xx_board_init(void) 93{ 94 int ret; 95 96 bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1); 97 if (!bf5xx_board_snd_device) 98 return -ENOMEM; 99 100 platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata); 101 bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev; 102 ret = platform_device_add(bf5xx_board_snd_device); 103 104 if (ret) 105 platform_device_put(bf5xx_board_snd_device); 106 107 return ret; 108} 109 110static void __exit bf5xx_board_exit(void) 111{ 112 platform_device_unregister(bf5xx_board_snd_device); 113} 114 115module_init(bf5xx_board_init); 116module_exit(bf5xx_board_exit); 117 118/* Module information */ 119MODULE_AUTHOR("Cliff Cai"); 120MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)"); 121MODULE_LICENSE("GPL"); 122