/*
 * Copyright 2011, Haiku, Inc.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Clemens Zeidler (haiku@Clemens-Zeidler.de)
 */
#ifndef ALPS_H
#define ALPS_H

#include <KernelExport.h>

#include <touchpad_settings.h>

#include "movement_maker.h"
#include "packet_buffer.h"
#include "ps2_dev.h"


typedef struct {
			ps2_dev*			dev;

			sem_id				sem;
	struct	packet_buffer*		ring_buffer;
			size_t				packet_index;
			uint8				buffer[PS2_PACKET_ALPS];
			uint8				mode;

			uint8				previousZ;
			TouchpadMovement	movementMaker;

			touchpad_settings	settings;
} alps_cookie;


status_t probe_alps(ps2_dev *dev);

status_t alps_open(const char *name, uint32 flags, void **_cookie);
status_t alps_close(void *_cookie);
status_t alps_freecookie(void *_cookie);
status_t alps_ioctl(void *_cookie, uint32 op, void *buffer, size_t length);

int32 alps_handle_int(ps2_dev *dev);
void alps_disconnect(ps2_dev *dev);

extern device_hooks gALPSDeviceHooks;


#endif /* ALPS_H */