/*
 * Copyright 2004-2010 Haiku, Inc.
 * Distributed under the terms of the MIT License.
 *
 * PS/2 bus manager
 *
 * Authors (in chronological order):
 *		Elad Lahav (elad@eldarshany.com)
 *		Stefano Ceccherini (burton666@libero.it)
 *		Axel Dörfler, axeld@pinc-software.de
 *      Marcus Overhagen <marcus@overhagen.de>
 */
#ifndef __PS2_COMMON_H
#define __PS2_COMMON_H


#include <ISA.h>
#include <Drivers.h>
#include <KernelExport.h>
#include <lock.h>

#include "ps2_defs.h"
#include "ps2_dev.h"


#if 1
#	define INFO(x...) dprintf(x)
#else
#	define INFO(x...) do {} while (false)
#endif
#define ERROR(x...) dprintf(x)

//#define TRACE_PS2
#ifdef TRACE_PS2
#define TRACE_PS2_ALPS
#define TRACE_PS2_COMMON
#define TRACE_PS2_DEV
#define TRACE_PS2_ELANTECH
#define TRACE_PS2_MOUSE
#define TRACE_PS2_KEYBOARD
#define TRACE_PS2_SERVICE
#define TRACE_PS2_SYNAPTICS
#define TRACE_PS2_TRACKPOINT
#endif


// global variables
extern isa_module_info *gIsa;

extern device_hooks gKeyboardDeviceHooks;
extern device_hooks gPointingDeviceHooks;

extern bool gActiveMultiplexingEnabled;
extern bool gSetupComplete;
extern mutex gControllerLock;


#ifdef __cplusplus
extern "C" {
#endif

// prototypes from common.c
status_t		ps2_init(void);
void			ps2_uninit(void);

uint8			ps2_read_ctrl(void);
uint8			ps2_read_data(void);
void			ps2_write_ctrl(uint8 ctrl);
void			ps2_write_data(uint8 data);
status_t		ps2_wait_read(void);
status_t		ps2_wait_write(void);

void			ps2_flush(void);

extern status_t ps2_command(uint8 cmd, const uint8 *out, int out_count,
	uint8 *in, int in_count);

// prototypes from keyboard.c & mouse.c
extern status_t probe_keyboard(void);

#ifdef __cplusplus
}
#endif


#endif /* __PS2_COMMON_H */