52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* Copyright (c) 2008-2013, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __PLATFORM_TEGRA_HDMI_AUDIO_H
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#define __PLATFORM_TEGRA_HDMI_AUDIO_H
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#include <linux/kernel.h>
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#include <linux/types.h>
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enum {
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AUDIO_FREQ_32K = 32000,
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AUDIO_FREQ_44_1K = 44100,
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AUDIO_FREQ_48K = 48000,
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AUDIO_FREQ_88_2K = 88200,
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AUDIO_FREQ_96K = 96000,
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AUDIO_FREQ_176_4K = 176400,
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AUDIO_FREQ_192K = 192000,
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};
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enum {
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AUTO = 0,
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SPDIF,
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HDA,
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};
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int tegra_hdmi_setup_audio_freq_source(unsigned audio_freq,
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unsigned audio_source);
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#ifdef CONFIG_TEGRA_DC
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int tegra_hdmi_setup_hda_presence(void);
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#else
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static inline int tegra_hdmi_setup_hda_presence(void) { return -ENODEV; }
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#endif
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int tegra_hdmi_audio_null_sample_inject(bool on);
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#endif
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