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"
  34 typedef struct MacIOGPIOState MacIOGPIOState;
  35 DECLARE_INSTANCE_CHECKER(MacIOGPIOState, MACIO_GPIO,
  36                          TYPE_MACIO_GPIO)
  37
  38 struct MacIOGPIOState {
  39     /*< private >*/
  40     SysBusDevice parent;
  41     /*< public >*/
  42
  43     OpenPICState *pic;
  44
  45     MemoryRegion gpiomem;
  46     qemu_irq gpio_extirqs[10];
  47     uint8_t gpio_levels[8];
  48     uint8_t gpio_regs[36]; /* XXX Check count */
  49 };
  50
  51 void macio_set_gpio(MacIOGPIOState *s, uint32_t gpio, bool state);
  52
  53 #endif