[mirror_qemu.git] / include / hw / char / bcm2835_aux.h

/*
 * 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 "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
Commit	Line	Data
97398d90 AB	1	/*
	2	* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
	3	* Written by Andrew Baumann
	4	*
	5	* This code is licensed under the GNU GPLv2 and later.
	6	*/
	7
	8	#ifndef BCM2835_AUX_H
	9	#define BCM2835_AUX_H
	10
	11	#include "hw/sysbus.h"
4d43a603	12	#include "chardev/char-fe.h"
97398d90 AB	13
	14	#define TYPE_BCM2835_AUX "bcm2835-aux"
	15	#define BCM2835_AUX(obj) OBJECT_CHECK(BCM2835AuxState, (obj), TYPE_BCM2835_AUX)
	16
	17	#define BCM2835_AUX_RX_FIFO_LEN 8
	18
	19	typedef struct {
	20	/< private >/
	21	SysBusDevice parent_obj;
	22	/< public >/
	23
	24	MemoryRegion iomem;
becdfa00	25	CharBackend chr;
97398d90 AB	26	qemu_irq irq;
	27
	28	uint8_t read_fifo[BCM2835_AUX_RX_FIFO_LEN];
	29	uint8_t read_pos, read_count;
	30	uint8_t ier, iir;
	31	} BCM2835AuxState;
	32
	33	#endif