51 lines
1.7 KiB
C
51 lines
1.7 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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*
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* Copyright (C) 2013 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 __DEV_IOCTL_YPR0_H__
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#define __DEV_IOCTL_YPR0_H__
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#include <sys/ioctl.h>
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#include "stdint.h"
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/**
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* This is the wrapper to r1Bat.ko module with the possible
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* ioctl calls, retrieved by RE
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* The "Fuel gauge" - battery controller - is the MAX17040GT
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*/
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/* A typical read spans 2 registers */
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typedef struct {
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uint8_t addr;
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uint8_t reg1;
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uint8_t reg2;
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}__attribute__((packed)) max17040_request;
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/* Registers are 16-bit wide */
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#define MAX17040_GET_BATTERY_VOLTAGE 0x80045800
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#define MAX17040_GET_BATTERY_CAPACITY 0x80045801
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#define MAX17040_READ_REG 0x80035803
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#define MAX17040_WRITE_REG 0x40035802
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void max17040_init(void);
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void max17040_close(void);
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int max17040_ioctl(int request, int *data);
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#endif /* __DEV_IOCTL_YPR0_H__ */
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