LXR qemu/include/hw/misc/macio/gpio.h

   1/*
   2 * PowerMac NewWorld MacIO GPIO emulation
   3 *
   4 * Copyright (c) 2016 Benjamin Herrenschmidt
   5 * Copyright (c) 2018 Mark Cave-Ayland
   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 MACIO_GPIO_H
  27#define MACIO_GPIO_H
  28
  29#include "hw/ppc/openpic.h"
  30#include "hw/sysbus.h"
  31#include "qom/object.h"
  32
  33#define TYPE_MACIO_GPIO "macio-gpio"
  34OBJECT_DECLARE_SIMPLE_TYPE(MacIOGPIOState, MACIO_GPIO)
  35
  36struct MacIOGPIOState {
  37    /*< private >*/
  38    SysBusDevice parent;
  39    /*< public >*/
  40
  41    MemoryRegion gpiomem;
  42    qemu_irq gpio_extirqs[10];
  43    uint8_t gpio_levels[8];
  44    uint8_t gpio_regs[36]; /* XXX Check count */
  45};
  46
  47void macio_set_gpio(MacIOGPIOState *s, uint32_t gpio, bool state);
  48
  49#endif
  50