gpio_mouse.h

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/*
 * Driver for simulating a mouse on GPIO lines.
 *
 * Copyright (C) 2007 Atmel Corporation
 *
 * 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 _GPIO_MOUSE_H
#define _GPIO_MOUSE_H

#define GPIO_MOUSE_POLARITY_ACT_HIGH    0x00
#define GPIO_MOUSE_POLARITY_ACT_LOW 0x01

#define GPIO_MOUSE_PIN_UP   0
#define GPIO_MOUSE_PIN_DOWN 1
#define GPIO_MOUSE_PIN_LEFT 2
#define GPIO_MOUSE_PIN_RIGHT    3
#define GPIO_MOUSE_PIN_BLEFT    4
#define GPIO_MOUSE_PIN_BMIDDLE  5
#define GPIO_MOUSE_PIN_BRIGHT   6
#define GPIO_MOUSE_PIN_MAX  7

struct gpio_mouse_platform_data {
    int scan_ms;
    int polarity;

    union {
        struct {
            int up;
            int down;
            int left;
            int right;

            int bleft;
            int bmiddle;
            int bright;
        };
        int pins[GPIO_MOUSE_PIN_MAX];
    };
};

#endif /* _GPIO_MOUSE_H */