summaryrefslogtreecommitdiff
path: root/include/hw/char/bcm2835_aux.h
blob: 6865f154bc197d23d5ae7619513b136fe4461a5d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/*
 * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
 * Written by Andrew Baumann
 *
 * This code is licensed under the GNU GPLv2 and later.
 */

#ifndef BCM2835_AUX_H
#define BCM2835_AUX_H

#include "hw/sysbus.h"
#include "sysemu/char.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