e905ca61d4
Lower CVDD core voltage to 1.10 volts when the frequency is less than 200 MHz. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21577 a1c6a512-1295-4272-9138-f99709370657
56 lines
2 KiB
C
56 lines
2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Driver for AS3514 audio codec
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*
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* Copyright (c) 2007 Daniel Ankers
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* Copyright (c) 2007 Christian Gmeiner
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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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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _ASCODEC_TARGET_H
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#define _ASCODEC_TARGET_H
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#include "as3514.h"
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/* Charge Pump and Power management Settings */
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#define AS314_CP_DCDC3_SETTING \
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((0<<7) | /* CP_SW Auto-Switch Margin 0=200/300 1=150/255 */ \
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(0<<6) | /* CP_on 0=Normal op 1=Chg Pump Always On */ \
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(0<<5) | /* LREG_CPnot Always write 0 */ \
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(0<<3) | /* DCDC3p BVDD setting 3.6/3.2/3.1/3.0 */ \
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(1<<2) | /* LREG_off 1=Auto mode switching 0=Length Reg only*/\
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(0<<0) ) /* CVDDp Core Voltage Setting 1.2/1.15/1.10/1.05*/
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#define CVDD_1_20 0
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#define CVDD_1_15 1
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#define CVDD_1_10 2
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#define CVDD_1_05 3
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void ascodec_init(void);
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int ascodec_write(unsigned int index, unsigned int value);
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int ascodec_read(unsigned int index);
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int ascodec_readbytes(int index, int len, unsigned char *data);
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void ascodec_lock(void);
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void ascodec_unlock(void);
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#endif /* !_ASCODEC_TARGET_H */
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