historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/include/hw/misc/macio/gpio.h
2024-01-16 11:20:27 -06:00

50 lines
1.7 KiB
C

/*
* PowerMac NewWorld MacIO GPIO emulation
*
* Copyright (c) 2016 Benjamin Herrenschmidt
* Copyright (c) 2018 Mark Cave-Ayland
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MACIO_GPIO_H
#define MACIO_GPIO_H
#include "hw/ppc/openpic.h"
#include "hw/sysbus.h"
#define TYPE_MACIO_GPIO "macio-gpio"
#define MACIO_GPIO(obj) OBJECT_CHECK(MacIOGPIOState, (obj), TYPE_MACIO_GPIO)
typedef struct MacIOGPIOState {
/*< private >*/
SysBusDevice parent;
/*< public >*/
OpenPICState *pic;
MemoryRegion gpiomem;
qemu_irq gpio_extirqs[10];
uint8_t gpio_levels[8];
uint8_t gpio_regs[36]; /* XXX Check count */
} MacIOGPIOState;
void macio_set_gpio(MacIOGPIOState *s, uint32_t gpio, bool state);
#endif