1/* 2 * Copyright (c) 2010 Nuvoton technology corporation. 3 * 4 * Wan ZongShun <mcuos.com@gmail.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation;version 2 of the License. 9 * 10 */ 11 12#include <linux/module.h> 13#include <linux/moduleparam.h> 14#include <linux/timer.h> 15#include <linux/interrupt.h> 16#include <linux/platform_device.h> 17 18#include <sound/core.h> 19#include <sound/pcm.h> 20#include <sound/soc.h> 21 22#include "nuc900-audio.h" 23 24static struct snd_soc_dai_link nuc900evb_ac97_dai = { 25 .name = "AC97", 26 .stream_name = "AC97 HiFi", 27 .cpu_dai_name = "nuc900-ac97", 28 .codec_dai_name = "ac97-hifi", 29 .codec_name = "ac97-codec", 30 .platform_name = "nuc900-pcm-audio", 31}; 32 33static struct snd_soc_card nuc900evb_audio_machine = { 34 .name = "NUC900EVB_AC97", 35 .owner = THIS_MODULE, 36 .dai_link = &nuc900evb_ac97_dai, 37 .num_links = 1, 38}; 39 40static struct platform_device *nuc900evb_asoc_dev; 41 42static int __init nuc900evb_audio_init(void) 43{ 44 int ret; 45 46 ret = -ENOMEM; 47 nuc900evb_asoc_dev = platform_device_alloc("soc-audio", -1); 48 if (!nuc900evb_asoc_dev) 49 goto out; 50 51 /* nuc900 board audio device */ 52 platform_set_drvdata(nuc900evb_asoc_dev, &nuc900evb_audio_machine); 53 54 ret = platform_device_add(nuc900evb_asoc_dev); 55 56 if (ret) { 57 platform_device_put(nuc900evb_asoc_dev); 58 nuc900evb_asoc_dev = NULL; 59 } 60 61out: 62 return ret; 63} 64 65static void __exit nuc900evb_audio_exit(void) 66{ 67 platform_device_unregister(nuc900evb_asoc_dev); 68} 69 70module_init(nuc900evb_audio_init); 71module_exit(nuc900evb_audio_exit); 72 73MODULE_LICENSE("GPL"); 74MODULE_DESCRIPTION("NUC900 Series ASoC audio support"); 75MODULE_AUTHOR("Wan ZongShun"); 76