linux/drivers/input/mouse/alps.h

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/*
* ALPS touchpad PS/2 mouse driver
*
* Copyright (c) 2003 Peter Osterlund <petero2@telia.com>
* Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#ifndef _ALPS_H
#define _ALPS_H
#define ALPS_PROTO_V1 0
#define ALPS_PROTO_V2 1
#define ALPS_PROTO_V3 2
#define ALPS_PROTO_V4 3
struct alps_model_info {
unsigned char signature[3];
unsigned char command_mode_resp; /* v3/v4 only */
unsigned char proto_version;
unsigned char byte0, mask0;
unsigned char flags;
};
struct alps_nibble_commands {
int command;
unsigned char data;
};
struct alps_data {
struct input_dev *dev2; /* Relative device */
char phys[32]; /* Phys */
const struct alps_model_info *i;/* Info */
const struct alps_nibble_commands *nibble_commands;
int addr_command; /* Command to set register address */
int prev_fin; /* Finger bit from previous packet */
int multi_packet; /* Multi-packet data in progress */
unsigned char multi_data[6]; /* Saved multi-packet data */
int x1, x2, y1, y2; /* Coordinates from last MT report */
int fingers; /* Number of fingers from MT report */
u8 quirks;
struct timer_list timer;
};
#define ALPS_QUIRK_TRACKSTICK_BUTTONS 1 /* trakcstick buttons in trackstick packet */
#ifdef CONFIG_MOUSE_PS2_ALPS
int alps_detect(struct psmouse *psmouse, bool set_properties);
int alps_init(struct psmouse *psmouse);
#else
inline int alps_detect(struct psmouse *psmouse, bool set_properties)
{
return -ENOSYS;
}
inline int alps_init(struct psmouse *psmouse)
{
return -ENOSYS;
}
#endif /* CONFIG_MOUSE_PS2_ALPS */
#endif