historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/include/hw/char/bcm2835_aux.h
2024-01-16 11:20:27 -06:00

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/*
* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
* Written by Andrew Baumann
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef BCM2835_AUX_H
#define BCM2835_AUX_H
#include "hw/sysbus.h"
#include "chardev/char-fe.h"
#define TYPE_BCM2835_AUX "bcm2835-aux"
#define BCM2835_AUX(obj) OBJECT_CHECK(BCM2835AuxState, (obj), TYPE_BCM2835_AUX)
#define BCM2835_AUX_RX_FIFO_LEN 8
typedef struct {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion iomem;
CharBackend chr;
qemu_irq irq;
uint8_t read_fifo[BCM2835_AUX_RX_FIFO_LEN];
uint8_t read_pos, read_count;
uint8_t ier, iir;
} BCM2835AuxState;
#endif