LXR qemu/include/hw/i2c/ppc4xx

   1/*
   2 * PPC4xx I2C controller emulation
   3 *
   4 * Copyright (c) 2007 Jocelyn Mayer
   5 * Copyright (c) 2012 François Revol
   6 * Copyright (c) 2016-2018 BALATON Zoltan
   7 *
   8 * Permission is hereby granted, free of charge, to any person obtaining a copy
   9 * of this software and associated documentation files (the "Software"), to deal
  10 * in the Software without restriction, including without limitation the rights
  11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 * copies of the Software, and to permit persons to whom the Software is
  13 * furnished to do so, subject to the following conditions:
  14 *
  15 * The above copyright notice and this permission notice shall be included in
  16 * all copies or substantial portions of the Software.
  17 *
  18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24 * THE SOFTWARE.
  25 */
  26
  27#ifndef PPC4XX_I2C_H
  28#define PPC4XX_I2C_H
  29
  30#include "qemu-common.h"
  31#include "hw/sysbus.h"
  32#include "hw/i2c/i2c.h"
  33
  34/* from hw/i2c/bitbang_i2c.h */
  35typedef struct bitbang_i2c_interface bitbang_i2c_interface;
  36
  37#define TYPE_PPC4xx_I2C "ppc4xx-i2c"
  38#define PPC4xx_I2C(obj) OBJECT_CHECK(PPC4xxI2CState, (obj), TYPE_PPC4xx_I2C)
  39
  40typedef struct PPC4xxI2CState {
  41    /*< private >*/
  42    SysBusDevice parent_obj;
  43
  44    /*< public >*/
  45    I2CBus *bus;
  46    qemu_irq irq;
  47    MemoryRegion iomem;
  48    bitbang_i2c_interface *bitbang;
  49    int mdidx;
  50    uint8_t mdata[4];
  51    uint8_t lmadr;
  52    uint8_t hmadr;
  53    uint8_t cntl;
  54    uint8_t mdcntl;
  55    uint8_t sts;
  56    uint8_t extsts;
  57    uint8_t lsadr;
  58    uint8_t hsadr;
  59    uint8_t clkdiv;
  60    uint8_t intrmsk;
  61    uint8_t xfrcnt;
  62    uint8_t xtcntlss;
  63    uint8_t directcntl;
  64} PPC4xxI2CState;
  65
  66#endif /* PPC4XX_I2C_H */
  67