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-pcm.h" 52#include "bf5xx-ac97.h" 53 54static struct snd_soc_card bf5xx_board; 55 56static struct snd_soc_dai_link bf5xx_board_dai[] = { 57 { 58 .name = "AC97", 59 .stream_name = "AC97 HiFi", 60 .cpu_dai_name = "bfin-ac97.0", 61 .codec_dai_name = "ad1980-hifi", 62 .platform_name = "bfin-ac97-pcm-audio", 63 .codec_name = "ad1980", 64 }, 65 { 66 .name = "AC97", 67 .stream_name = "AC97 HiFi", 68 .cpu_dai_name = "bfin-ac97.1", 69 .codec_dai_name = "ad1980-hifi", 70 .platform_name = "bfin-ac97-pcm-audio", 71 .codec_name = "ad1980", 72 }, 73}; 74 75static struct snd_soc_card bf5xx_board = { 76 .name = "bfin-ad1980", 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