mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
|
/*
|
||
|
|
* 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
|
||
|
|
* @scan_ms: integer in ms specifying the scan periode.
|
||
|
|
* @polarity: Pin polarity, active high or low.
|
||
|
|
* @up: GPIO line for up value.
|
||
|
|
* @down: GPIO line for down value.
|
||
|
|
* @left: GPIO line for left value.
|
||
|
|
* @right: GPIO line for right value.
|
||
|
|
* @bleft: GPIO line for left button.
|
||
|
|
* @bmiddle: GPIO line for middle button.
|
||
|
|
* @bright: GPIO line for right button.
|
||
|
|
*
|
||
|
|
* This struct must be added to the platform_device in the board code.
|
||
|
|
* It is used by the gpio_mouse driver to setup GPIO lines and to
|
||
|
|
* calculate mouse movement.
|
||
|
|
*/
|
||
|
|
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 */
|