LXR qemu/include/hw/rtc/m48t59.h

   1/*
   2 * QEMU M48T59 and M48T08 NVRAM emulation
   3 *
   4 * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
   5 * Copyright (c) 2013 Hervé Poussineau
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 * copies of the Software, and to permit persons to whom the Software is
  12 * furnished to do so, subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in
  15 * all copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 * THE SOFTWARE.
  24 */
  25
  26#ifndef HW_RTC_M48T59_H
  27#define HW_RTC_M48T59_H
  28
  29#include "exec/hwaddr.h"
  30#include "qom/object.h"
  31
  32#define TYPE_NVRAM "nvram"
  33
  34typedef struct NvramClass NvramClass;
  35DECLARE_CLASS_CHECKERS(NvramClass, NVRAM,
  36                       TYPE_NVRAM)
  37#define NVRAM(obj) \
  38    INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
  39
  40typedef struct Nvram Nvram;
  41
  42struct NvramClass {
  43    InterfaceClass parent;
  44
  45    uint32_t (*read)(Nvram *obj, uint32_t addr);
  46    void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
  47    void (*toggle_lock)(Nvram *obj, int lock);
  48};
  49
  50#endif /* HW_M48T59_H */
  51