93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
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/***************************************************************************
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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: ascodec-target.h 26116 2010-05-17 20:53:25Z funman $
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*
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* Module wrapper for AS3543 audio codec, using /dev/afe (afe.ko) of Samsung YP-R0
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*
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* Copyright (c) 2011 Lorenzo Miori
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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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#include "kernel.h"
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#include "adc.h"
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#include "ascodec.h"
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/* ioctl parameter struct */
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struct codec_req_struct {
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/* This works for every kind of afe.ko module requests */
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unsigned char reg; /* Main register address */
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unsigned char subreg; /* Set this only if you are reading/writing a PMU register*/
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unsigned char value; /* To be read if reading a register; to be set if writing to a register */
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};
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int ascodec_init(void);
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void ascodec_close(void);
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int ascodec_write(unsigned int reg, unsigned int value);
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int ascodec_read(unsigned int reg);
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void ascodec_write_pmu(unsigned int index, unsigned int subreg, unsigned int value);
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int ascodec_read_pmu(unsigned int index, unsigned int subreg);
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void ascodec_set(unsigned int reg, unsigned int bits);
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void ascodec_clear(unsigned int reg, unsigned int bits);
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void ascodec_write_masked(unsigned int reg, unsigned int bits, unsigned int mask);
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int ascodec_readbytes(unsigned int index, unsigned int len, unsigned char *data);
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unsigned short adc_read(int channel);
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void ascodec_lock(void);
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void ascodec_unlock(void);
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static inline bool ascodec_chg_status(void)
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{
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return ascodec_read(AS3514_IRQ_ENRD0) & CHG_STATUS;
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}
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static inline bool ascodec_endofch(void)
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{
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return ascodec_read(AS3514_IRQ_ENRD0) & CHG_ENDOFCH;
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}
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static inline void ascodec_monitor_endofch(void)
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{
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ascodec_write(AS3514_IRQ_ENRD0, IRQ_ENDOFCH);
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}
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static inline void ascodec_wait_adc_finished(void)
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{
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/*
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* FIXME: not implemented
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*
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* If irqs are not available on the target platform,
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* this should be most likely implemented by polling
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* AS3514_IRQ_ENRD2 in the same way powermgmt-ascodec.c
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* is polling IRQ_ENDOFCH.
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*/
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}
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static inline void ascodec_write_charger(int value)
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{
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ascodec_write_pmu(AS3543_CHARGER, 1, value);
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}
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static inline int ascodec_read_charger(void)
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{
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return ascodec_read_pmu(AS3543_CHARGER, 1);
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}
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#endif /* !_ASCODEC_TARGET_H */
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