1/*
2 * Copyright 2009-2010, Haiku, Inc.
3 * Distributed under the terms of the MIT License.
4 *
5 * Authors:
6 *		Clemens Zeidler (haiku@Clemens-Zeidler.de)
7 */
8
9
10#include <malloc.h>
11#include <string.h>
12
13#include <keyboard_mouse_driver.h>
14
15#include "ps2_trackpoint.h"
16
17
18const char* kTrackpointPath[4] = {
19	"input/mouse/ps2/ibm_trackpoint_0",
20	"input/mouse/ps2/ibm_trackpoint_1",
21	"input/mouse/ps2/ibm_trackpoint_2",
22	"input/mouse/ps2/ibm_trackpoint_3"
23};
24
25
26status_t
27probe_trackpoint(ps2_dev* dev)
28{
29	uint8 val[2];
30
31	TRACE("TRACKPOINT: probe\n");
32	ps2_dev_command(dev, 0xE1, NULL, 0, val, 2);
33
34	if (val[0] != 0x01) {
35		TRACE("TRACKPOINT: not found\n");
36		return B_ERROR;
37	}
38	dev->name = kTrackpointPath[dev->idx];
39	dev->packet_size = 3;
40	TRACE("TRACKPOINT: version 0x%x found\n", val[1]);
41
42	return B_OK;
43}
44