qemu

FORK: QEMU emulator
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arm_sbcon_i2c.h (931B)

      1 /*
      2  * ARM SBCon two-wire serial bus interface (I2C bitbang)
      3  *   a.k.a.
      4  * ARM Versatile I2C controller
      5  *
      6  * Copyright (c) 2006-2007 CodeSourcery.
      7  * Copyright (c) 2012 Oskar Andero <oskar.andero@gmail.com>
      8  * Copyright (C) 2020 Philippe Mathieu-Daudé <f4bug@amsat.org>
      9  *
     10  * SPDX-License-Identifier: GPL-2.0-or-later
     11  */
     12 
     13 #ifndef HW_I2C_ARM_SBCON_I2C_H
     14 #define HW_I2C_ARM_SBCON_I2C_H
     15 
     16 #include "hw/sysbus.h"
     17 #include "hw/i2c/bitbang_i2c.h"
     18 #include "qom/object.h"
     19 
     20 #define TYPE_VERSATILE_I2C "versatile_i2c"
     21 #define TYPE_ARM_SBCON_I2C TYPE_VERSATILE_I2C
     22 
     23 typedef struct ArmSbconI2CState ArmSbconI2CState;
     24 DECLARE_INSTANCE_CHECKER(ArmSbconI2CState, ARM_SBCON_I2C,
     25                          TYPE_ARM_SBCON_I2C)
     26 
     27 struct ArmSbconI2CState {
     28     /*< private >*/
     29     SysBusDevice parent_obj;
     30     /*< public >*/
     31 
     32     MemoryRegion iomem;
     33     bitbang_i2c_interface bitbang;
     34     int out;
     35     int in;
     36 };
     37 
     38 #endif /* HW_I2C_ARM_SBCON_I2C_H */