109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
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/*
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* smdk_wm9713.c -- SoC audio for SMDK
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*
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* Copyright 2010 Samsung Electronics Co. Ltd.
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* Author: Jaswinder Singh Brar <jassisinghbrar@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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*/
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#include <linux/module.h>
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#include <sound/soc.h>
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static struct snd_soc_card smdk;
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/*
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* Default CFG switch settings to use this driver:
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*
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* SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off
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* SMDKC100: Set CFG6 1-3 On, CFG7 1 On
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* SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On
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* SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On
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* SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On
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*/
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/*
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Playback (HeadPhone):-
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$ amixer sset 'Headphone' unmute
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$ amixer sset 'Right Headphone Out Mux' 'Headphone'
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$ amixer sset 'Left Headphone Out Mux' 'Headphone'
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$ amixer sset 'Right HP Mixer PCM' unmute
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$ amixer sset 'Left HP Mixer PCM' unmute
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Capture (LineIn):-
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$ amixer sset 'Right Capture Source' 'Line'
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$ amixer sset 'Left Capture Source' 'Line'
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*/
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static struct snd_soc_dai_link smdk_dai = {
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.name = "AC97",
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.stream_name = "AC97 PCM",
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.platform_name = "samsung-audio",
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.cpu_dai_name = "samsung-ac97",
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.codec_dai_name = "wm9713-hifi",
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.codec_name = "wm9713-codec",
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};
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static struct snd_soc_card smdk = {
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.name = "SMDK WM9713",
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.owner = THIS_MODULE,
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.dai_link = &smdk_dai,
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.num_links = 1,
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};
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static struct platform_device *smdk_snd_wm9713_device;
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static struct platform_device *smdk_snd_ac97_device;
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static int __init smdk_init(void)
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{
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int ret;
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smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1);
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if (!smdk_snd_wm9713_device)
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return -ENOMEM;
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ret = platform_device_add(smdk_snd_wm9713_device);
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if (ret)
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goto err1;
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smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
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if (!smdk_snd_ac97_device) {
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ret = -ENOMEM;
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goto err2;
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}
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platform_set_drvdata(smdk_snd_ac97_device, &smdk);
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ret = platform_device_add(smdk_snd_ac97_device);
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if (ret)
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goto err3;
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return 0;
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err3:
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platform_device_put(smdk_snd_ac97_device);
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err2:
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platform_device_del(smdk_snd_wm9713_device);
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err1:
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platform_device_put(smdk_snd_wm9713_device);
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return ret;
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}
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static void __exit smdk_exit(void)
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{
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platform_device_unregister(smdk_snd_ac97_device);
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platform_device_unregister(smdk_snd_wm9713_device);
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}
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module_init(smdk_init);
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module_exit(smdk_exit);
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/* Module information */
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MODULE_AUTHOR("Jaswinder Singh Brar, jassisinghbrar@gmail.com");
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MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
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MODULE_LICENSE("GPL");
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