64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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/*
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* hdmi-audio.h: tegra hdmi audio headers.
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*
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* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
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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 __MACH_TEGRA_HDMI_AUDIO_H
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#define __MACH_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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#if IS_ENABLED(CONFIG_TEGRA_DC)
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int tegra_hdmi_setup_hda_presence(int sor_num);
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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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int sor_num);
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int tegra_hdmi_audio_null_sample_inject(bool on, int sor_num);
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/* switches are registered from display driver, get the names w.r.t dev ID */
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int tegra_hda_get_switch_name(int dev_id, char *name);
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#else
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static inline int tegra_hdmi_setup_hda_presence(int sor_num) { return -ENODEV; }
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static inline int tegra_hdmi_setup_audio_freq_source(unsigned audio_freq,
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unsigned audio_source,
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int sor_num) { return -ENODEV; }
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static inline int tegra_hdmi_audio_null_sample_inject(bool on, int sor_num) { return -ENODEV; }
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static inline int tegra_hda_get_switch_name(int dev_id, char *name) { return -ENODEV; }
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#endif
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bool is_os_l4t(void);
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#endif /* __MACH_TEGRA_HDMI_AUDIO_H */
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