94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
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m52790.h - definition for m52790 inputs and outputs
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Copyright (C) 2007 Hans Verkuil (hverkuil@xs4all.nl)
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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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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _M52790_H_
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#define _M52790_H_
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/* Input routing switch 1 */
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#define M52790_SW1_IN_MASK 0x0003
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#define M52790_SW1_IN_TUNER 0x0000
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#define M52790_SW1_IN_V2 0x0001
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#define M52790_SW1_IN_V3 0x0002
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#define M52790_SW1_IN_V4 0x0003
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/* Selects component input instead of composite */
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#define M52790_SW1_YCMIX 0x0004
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/* Input routing switch 2 */
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#define M52790_SW2_IN_MASK 0x0300
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#define M52790_SW2_IN_TUNER 0x0000
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#define M52790_SW2_IN_V2 0x0100
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#define M52790_SW2_IN_V3 0x0200
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#define M52790_SW2_IN_V4 0x0300
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/* Selects component input instead of composite */
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#define M52790_SW2_YCMIX 0x0400
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/* Output routing switch 1 */
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/* Enable 6dB amplifier for composite out */
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#define M52790_SW1_V_AMP 0x0008
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/* Enable 6dB amplifier for component out */
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#define M52790_SW1_YC_AMP 0x0010
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/* Audio output mode */
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#define M52790_SW1_AUDIO_MASK 0x00c0
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#define M52790_SW1_AUDIO_MUTE 0x0000
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#define M52790_SW1_AUDIO_R 0x0040
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#define M52790_SW1_AUDIO_L 0x0080
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#define M52790_SW1_AUDIO_STEREO 0x00c0
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/* Output routing switch 2 */
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/* Enable 6dB amplifier for composite out */
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#define M52790_SW2_V_AMP 0x0800
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/* Enable 6dB amplifier for component out */
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#define M52790_SW2_YC_AMP 0x1000
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/* Audio output mode */
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#define M52790_SW2_AUDIO_MASK 0xc000
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#define M52790_SW2_AUDIO_MUTE 0x0000
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#define M52790_SW2_AUDIO_R 0x4000
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#define M52790_SW2_AUDIO_L 0x8000
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#define M52790_SW2_AUDIO_STEREO 0xc000
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/* Common values */
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#define M52790_IN_TUNER (M52790_SW1_IN_TUNER | M52790_SW2_IN_TUNER)
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#define M52790_IN_V2 (M52790_SW1_IN_V2 | M52790_SW2_IN_V2)
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#define M52790_IN_V3 (M52790_SW1_IN_V3 | M52790_SW2_IN_V3)
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#define M52790_IN_V4 (M52790_SW1_IN_V4 | M52790_SW2_IN_V4)
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#define M52790_OUT_STEREO (M52790_SW1_AUDIO_STEREO | \
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M52790_SW2_AUDIO_STEREO)
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#define M52790_OUT_AMP_STEREO (M52790_SW1_AUDIO_STEREO | \
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M52790_SW1_V_AMP | \
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M52790_SW2_AUDIO_STEREO | \
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M52790_SW2_V_AMP)
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#endif
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