include/hw/i2c/arm_sbcon_i2c.h

   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 #ifndef HW_I2C_ARM_SBCON_H
  13 #define HW_I2C_ARM_SBCON_H
  14
  15 #include "hw/sysbus.h"
  16 #include "hw/i2c/bitbang_i2c.h"
  17
  18 #define TYPE_VERSATILE_I2C "versatile_i2c"
  19 #define TYPE_ARM_SBCON_I2C TYPE_VERSATILE_I2C
  20
  21 #define ARM_SBCON_I2C(obj) \
  22     OBJECT_CHECK(ArmSbconI2CState, (obj), TYPE_ARM_SBCON_I2C)
  23
  24 typedef struct ArmSbconI2CState {
  25     /*< private >*/
  26     SysBusDevice parent_obj;
  27     /*< public >*/
  28
  29     MemoryRegion iomem;
  30     bitbang_i2c_interface bitbang;
  31     int out;
  32     int in;
  33 } ArmSbconI2CState;
  34
  35 #endif /* HW_I2C_ARM_SBCON_H */