qemu/include/hw/misc/macio/gpio.h
Mark Cave-Ayland b73eb72792 macio: wire macio GPIOs to OpenPIC using sysbus IRQs
This both allows the wiring to be done as Ben suggested in his original comment in
gpio.c and also enables the OpenPIC object property link to be removed.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20201229175619.6051-7-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2021-01-13 12:21:21 +00:00

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"
#include "qom/object.h"
#define TYPE_MACIO_GPIO "macio-gpio"
OBJECT_DECLARE_SIMPLE_TYPE(MacIOGPIOState, MACIO_GPIO)
struct MacIOGPIOState {
/*< private >*/
SysBusDevice parent;
/*< public >*/
MemoryRegion gpiomem;
qemu_irq gpio_extirqs[10];
uint8_t gpio_levels[8];
uint8_t gpio_regs[36]; /* XXX Check count */
};
void macio_set_gpio(MacIOGPIOState *s, uint32_t gpio, bool state);
#endif