LXR qemu/include/hw/mdio/mdio.h

   1/*
   2 * QEMU Bitbang Ethernet MDIO bus & PHY controllers.
   3 *
   4 * Copyright (c) 2008 Edgar E. Iglesias, Axis Communications AB.
   5 * Copyright (c) 2016 Xilinx Inc.
   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 MDIO_H
  27#define MDIO_H
  28
  29#include "migration/vmstate.h"
  30#include "hw/sysbus.h"
  31
  32#define TYPE_MDIO "mdio"
  33#define MDIO(obj) OBJECT_CHECK(MDIO, (obj), TYPE_MDIO)
  34
  35typedef struct MDIO {
  36    SysBusDevice parent_obj;
  37
  38    uint16_t (*read)(struct MDIO *bus, uint8_t addr, uint8_t req);
  39    void (*write)(struct MDIO *bus, uint8_t addr, uint8_t req,
  40                  uint16_t data);
  41
  42    struct MDIOBus *bus;
  43} MDIO;
  44
  45typedef struct MDIOClass {
  46    SysBusDeviceClass parent_class;
  47} MDIOClass;
  48
  49#endif
  50