3543d53703
-- creates /dev/spdif_out and /dev/spdif_out_ctl for playback and control settings. -- playback only Change-Id: I19af1d41e13dedef650784835339ef9718300d0c Signed-off-by: Iliyan Malchev <malchev@google.com>
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* include/linux/tegra_spdif.h
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*
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* SPDIF audio driver for NVIDIA Tegra SoCs
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*
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* Copyright (c) 2008-2009, 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 _TEGRA_SPDIF_H
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#define _TEGRA_SPDIF_H
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#include <linux/ioctl.h>
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#define TEGRA_SPDIF_MAGIC 's'
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struct tegra_audio_buf_config {
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unsigned size; /* order */
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unsigned threshold; /* order */
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unsigned chunk; /* order */
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};
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#define TEGRA_AUDIO_OUT_SET_BUF_CONFIG _IOW(TEGRA_SPDIF_MAGIC, 0, \
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const struct tegra_audio_buf_config *)
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#define TEGRA_AUDIO_OUT_GET_BUF_CONFIG _IOR(TEGRA_SPDIF_MAGIC, 1, \
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struct tegra_audio_buf_config *)
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#define TEGRA_AUDIO_OUT_GET_ERROR_COUNT _IOR(TEGRA_SPDIF_MAGIC, 2, \
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unsigned *)
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struct tegra_audio_out_preload {
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void *data;
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size_t len;
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size_t len_written;
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};
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#define TEGRA_AUDIO_OUT_PRELOAD_FIFO _IOWR(TEGRA_SPDIF_MAGIC, 3, \
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struct tegra_audio_out_preload *)
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#endif/*_TEGRA_SPDIF_H*/
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