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/*
* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DRIVERS_PS2MOUSE_H
#define __DRIVERS_PS2MOUSE_H
#include <types_ext.h>
#include <kernel/interrupt.h>
#include <drivers/serial.h>
enum ps2mouse_state {
PS2MS_RESET,
PS2MS_INIT,
PS2MS_INIT2,
PS2MS_INIT3,
PS2MS_ACTIVE1,
PS2MS_ACTIVE2,
PS2MS_ACTIVE3,
PS2MS_INACTIVE,
};
#define PS2MOUSE_BUTTON_LEFT_DOWN (1 << 0)
#define PS2MOUSE_BUTTON_RIGHT_DOWN (1 << 1)
#define PS2MOUSE_BUTTON_MIDDLE_DOWN (1 << 2)
typedef void (*ps2mouse_callback)(void *data, uint8_t button, int16_t xdelta,
int16_t ydelta);
struct ps2mouse_data {
struct serial_chip *serial;
enum ps2mouse_state state;
uint8_t bytes[2];
struct itr_handler itr_handler;
ps2mouse_callback callback;
void *callback_data;
};
void ps2mouse_init(struct ps2mouse_data *d, struct serial_chip *serial,
size_t serial_it, ps2mouse_callback cb, void *cb_data);
#endif /*__DRIVERS_PS2MOUSE_H*/
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