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According to the HDMI specification, a source is permitted to transmit L-PCM audio in the following sample rates: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz or 192kHz. It also supports up to 8 audio channels. The sink may not necessarily support all these sample rates and channels. However, as this CPU DAI describes the HDMI source, it makes sense to include them. The limitation of capabilities as supported by the sink should be done in the ASoC HDMI codec. Signed-off-by: Ricardo Neri <ricardo.neri@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@ti.com>
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
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* omap-hdmi.h
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*
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* Definitions for OMAP ALSA SoC DAI driver for HDMI audio on OMAP4 processors.
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* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
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* Authors: Jorge Candelaria <jorge.candelaria@ti.com>
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* Ricardo Neri <ricardo.neri@ti.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
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __OMAP_HDMI_H__
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#define __OMAP_HDMI_H__
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#define OMAP_HDMI_AUDIO_DMA_PORT 0x8c
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#define OMAP_HDMI_RATES (SNDRV_PCM_RATE_32000 | \
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SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
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SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \
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SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
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#define OMAP_HDMI_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
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SNDRV_PCM_FMTBIT_S24_LE)
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#endif
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