1 /*
2  * include/linux/input/ad714x.h
3  *
4  * AD714x is very flexible, it can be used as buttons, scrollwheel,
5  * slider, touchpad at the same time. That depends on the boards.
6  * The platform_data for the device's "struct device" holds this
7  * information.
8  *
9  * Copyright 2009 Analog Devices Inc.
10  *
11  * Licensed under the GPL-2 or later.
12  */
13 
14 #ifndef __LINUX_INPUT_AD714X_H__
15 #define __LINUX_INPUT_AD714X_H__
16 
17 #define STAGE_NUM              12
18 #define STAGE_CFGREG_NUM       8
19 #define SYS_CFGREG_NUM         8
20 
21 /* board information which need be initialized in arch/mach... */
22 struct ad714x_slider_plat {
23 	int start_stage;
24 	int end_stage;
25 	int max_coord;
26 };
27 
28 struct ad714x_wheel_plat {
29 	int start_stage;
30 	int end_stage;
31 	int max_coord;
32 };
33 
34 struct ad714x_touchpad_plat {
35 	int x_start_stage;
36 	int x_end_stage;
37 	int x_max_coord;
38 
39 	int y_start_stage;
40 	int y_end_stage;
41 	int y_max_coord;
42 };
43 
44 struct ad714x_button_plat {
45 	int keycode;
46 	unsigned short l_mask;
47 	unsigned short h_mask;
48 };
49 
50 struct ad714x_platform_data {
51 	int slider_num;
52 	int wheel_num;
53 	int touchpad_num;
54 	int button_num;
55 	struct ad714x_slider_plat *slider;
56 	struct ad714x_wheel_plat *wheel;
57 	struct ad714x_touchpad_plat *touchpad;
58 	struct ad714x_button_plat *button;
59 	unsigned short stage_cfg_reg[STAGE_NUM][STAGE_CFGREG_NUM];
60 	unsigned short sys_cfg_reg[SYS_CFGREG_NUM];
61 };
62 
63 #endif
64