783c77531c
1. Slightly revised and regularized internal interface. Callback is used for read and write to provide completion signal instead of having two mechanisms. 2. Lower overhead for asynchronous or alterate completion callbacks. We now only init what is required by the transfer. A couple unneeded structure members were also nixed. 3. Fixes a bug that would neglect a semaphore wait if pumping the I2C interrupts in a loop when not in thread state or interrupts are masked. 4. Corrects broken initialization order by defining KDEV_INIT, which makes kernel_init() call kernel_device_init() to initialize additional devices _after_ the kernel, threading and synchronization objects are safe to use. 5. Locking set_cpu_frequency has to be done at the highest level in system.c to ensure the boost counter and the frequency are both set in agreement. Reconcile the locking inteface between PP and AMS (the only two currently using locking there) to keep it clean. Now works fine with voltages in GIT HEAD on my Fuze v2, type 0. Previously, everything crashed and died instantly. action.c calling set_cpu_frequency from a tick was part of it. The rest may have been related to 3. and 4. Honestly, I'm not certain! Testing by Mihail Zenkov indicates it solves our problems. This will get the developer builds running again after the kernel assert code push. Change-Id: Ie245994fb3e318dd5ef48e383ce61fdd977224d4
62 lines
1.8 KiB
C
62 lines
1.8 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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* Copyright (C) 2008 by Dave Chapman
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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_H
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#define _ASCODEC_H
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#include "config.h"
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#include <stdbool.h>
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#include "as3514.h"
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#ifndef HAVE_AS3514
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# error Only for AS3514!
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#endif
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void ascodec_init(void) INIT_ATTR;
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void ascodec_close(void);
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void ascodec_lock(void);
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void ascodec_unlock(void);
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void ascodec_write(unsigned int index, unsigned int value);
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int ascodec_read(unsigned int index);
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void ascodec_readbytes(unsigned int index, unsigned int len, unsigned char *data);
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void ascodec_wait_adc_finished(void);
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#if CONFIG_CHARGING
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bool ascodec_endofch(void);
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bool ascodec_chg_status(void);
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void ascodec_monitor_endofch(void);
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void ascodec_write_charger(int value);
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int ascodec_read_charger(void);
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#endif
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#ifdef HAVE_AS3543
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void ascodec_write_pmu(unsigned int index, unsigned int subreg,
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unsigned int value);
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int ascodec_read_pmu(unsigned int index, unsigned int subreg);
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#endif
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#endif
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