alps.h

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/*
 * ALPS touchpad PS/2 mouse driver
 *
 * Copyright (c) 2003 Peter Osterlund <[email protected]>
 * Copyright (c) 2005 Vojtech Pavlik <[email protected]>
 *
 * 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