xref: /openbmc/linux/include/linux/input/ad714x.h (revision 80503b23)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * include/linux/input/ad714x.h
4  *
5  * AD714x is very flexible, it can be used as buttons, scrollwheel,
6  * slider, touchpad at the same time. That depends on the boards.
7  * The platform_data for the device's "struct device" holds this
8  * information.
9  *
10  * Copyright 2009-2011 Analog Devices Inc.
11  */
12 
13 #ifndef __LINUX_INPUT_AD714X_H__
14 #define __LINUX_INPUT_AD714X_H__
15 
16 #define STAGE_NUM              12
17 #define STAGE_CFGREG_NUM       8
18 #define SYS_CFGREG_NUM         8
19 
20 /* board information which need be initialized in arch/mach... */
21 struct ad714x_slider_plat {
22 	int start_stage;
23 	int end_stage;
24 	int max_coord;
25 };
26 
27 struct ad714x_wheel_plat {
28 	int start_stage;
29 	int end_stage;
30 	int max_coord;
31 };
32 
33 struct ad714x_touchpad_plat {
34 	int x_start_stage;
35 	int x_end_stage;
36 	int x_max_coord;
37 
38 	int y_start_stage;
39 	int y_end_stage;
40 	int y_max_coord;
41 };
42 
43 struct ad714x_button_plat {
44 	int keycode;
45 	unsigned short l_mask;
46 	unsigned short h_mask;
47 };
48 
49 struct ad714x_platform_data {
50 	int slider_num;
51 	int wheel_num;
52 	int touchpad_num;
53 	int button_num;
54 	struct ad714x_slider_plat *slider;
55 	struct ad714x_wheel_plat *wheel;
56 	struct ad714x_touchpad_plat *touchpad;
57 	struct ad714x_button_plat *button;
58 	unsigned short stage_cfg_reg[STAGE_NUM][STAGE_CFGREG_NUM];
59 	unsigned short sys_cfg_reg[SYS_CFGREG_NUM];
60 	unsigned long irqflags;
61 };
62 
63 #endif
64