/*
* PPC4xx I2C controller emulation
*
* Copyright (c) 2007 Jocelyn Mayer
* Copyright (c) 2012 François Revol
* Copyright (c) 2016-2018 BALATON Zoltan
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef PPC4XX_I2C_H
#define PPC4XX_I2C_H
#include "hw/sysbus.h"
#include "hw/i2c/bitbang_i2c.h"
#include "qom/object.h"
#define TYPE_PPC4xx_I2C "ppc4xx-i2c"
typedef struct PPC4xxI2CState PPC4xxI2CState;
DECLARE_INSTANCE_CHECKER(PPC4xxI2CState, PPC4xx_I2C,
TYPE_PPC4xx_I2C)
struct PPC4xxI2CState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
I2CBus *bus;
qemu_irq irq;
MemoryRegion iomem;
bitbang_i2c_interface bitbang;
int mdidx;
uint8_t mdata[4];
uint8_t lmadr;
uint8_t hmadr;
uint8_t cntl;
uint8_t mdcntl;
uint8_t sts;
uint8_t extsts;
uint8_t lsadr;
uint8_t hsadr;
uint8_t clkdiv;
uint8_t intrmsk;
uint8_t xfrcnt;
uint8_t xtcntlss;
uint8_t directcntl;
};
#endif /* PPC4XX_I2C_H */
