1/*-
2 * Copyright (c) 2016 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
3 * Copyright (c) 2015-2016 Vladimir Kondratyev <wulf@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/11/sys/dev/evdev/input.h 362207 2020-06-15 22:35:39Z wulf $
28 */
29
30#ifndef	_EVDEV_INPUT_H
31#define	_EVDEV_INPUT_H
32
33#ifndef __KERNEL__
34#include <sys/ioccom.h>
35#include <sys/time.h>
36#include <sys/types.h>
37#endif
38
39#include "input-event-codes.h"
40
41#define	input_event_sec		time.tv_sec
42#define	input_event_usec	time.tv_usec
43
44struct input_event {
45	struct timeval	time;
46	uint16_t	type;
47	uint16_t	code;
48	int32_t		value;
49};
50
51#define	EV_VERSION		0x010001
52
53struct input_id {
54	uint16_t	bustype;
55	uint16_t	vendor;
56	uint16_t	product;
57	uint16_t	version;
58};
59
60struct input_absinfo {
61	int32_t		value;
62	int32_t		minimum;
63	int32_t		maximum;
64	int32_t		fuzz;
65	int32_t		flat;
66	int32_t		resolution;
67};
68
69#define	INPUT_KEYMAP_BY_INDEX	(1 << 0)
70
71struct input_keymap_entry {
72	uint8_t		flags;
73	uint8_t		len;
74	uint16_t	index;
75	uint32_t	keycode;
76	uint8_t		scancode[32];
77};
78
79#define	EVDEV_IOC_MAGIC	'E'
80#define	EVIOCGVERSION		_IOR(EVDEV_IOC_MAGIC, 0x01, int)		/* get driver version */
81#define	EVIOCGID		_IOR(EVDEV_IOC_MAGIC, 0x02, struct input_id)	/* get device ID */
82#define	EVIOCGREP		_IOR(EVDEV_IOC_MAGIC, 0x03, unsigned int[2])	/* get repeat settings */
83#define	EVIOCSREP		_IOW(EVDEV_IOC_MAGIC, 0x03, unsigned int[2])	/* set repeat settings */
84
85#define	EVIOCGKEYCODE		_IOWR(EVDEV_IOC_MAGIC, 0x04, unsigned int[2])	/* get keycode */
86#define	EVIOCGKEYCODE_V2	_IOWR(EVDEV_IOC_MAGIC, 0x04, struct input_keymap_entry)
87#define	EVIOCSKEYCODE		_IOW(EVDEV_IOC_MAGIC, 0x04, unsigned int[2])	/* set keycode */
88#define	EVIOCSKEYCODE_V2	_IOW(EVDEV_IOC_MAGIC, 0x04, struct input_keymap_entry)
89
90#define	EVIOCGNAME(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x06, len)	/* get device name */
91#define	EVIOCGPHYS(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x07, len)	/* get physical location */
92#define	EVIOCGUNIQ(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x08, len)	/* get unique identifier */
93#define	EVIOCGPROP(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x09, len)	/* get device properties */
94
95#define	EVIOCGMTSLOTS(len)	_IOC(IOC_INOUT,	EVDEV_IOC_MAGIC, 0x0a, len)	/* get MT slots values */
96
97#define	EVIOCGKEY(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x18, len)	/* get global key state */
98#define	EVIOCGLED(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x19, len)	/* get all LEDs */
99#define	EVIOCGSND(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x1a, len)	/* get all sounds status */
100#define	EVIOCGSW(len)		_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x1b, len)	/* get all switch states */
101
102#define	EVIOCGBIT(ev,len)	_IOC(IOC_OUT, EVDEV_IOC_MAGIC, 0x20 + (ev), len)	/* get event bits */
103#define	EVIOCGABS(abs)		_IOR(EVDEV_IOC_MAGIC, 0x40 + (abs), struct input_absinfo)	/* get abs value/limits */
104#define	EVIOCSABS(abs)		_IOW(EVDEV_IOC_MAGIC, 0xc0 + (abs), struct input_absinfo)	/* set abs value/limits */
105
106#define	EVIOCSFF		_IOW(EVDEV_IOC_MAGIC, 0x80, struct ff_effect)	/* send a force effect to a force feedback device */
107#define	EVIOCRMFF		_IOWINT(EVDEV_IOC_MAGIC, 0x81)			/* Erase a force effect */
108#define	EVIOCGEFFECTS		_IOR(EVDEV_IOC_MAGIC, 0x84, int)		/* Report number of effects playable at the same time */
109
110#define	EVIOCGRAB		_IOWINT(EVDEV_IOC_MAGIC, 0x90)			/* Grab/Release device */
111#define	EVIOCREVOKE		_IOWINT(EVDEV_IOC_MAGIC, 0x91)			/* Revoke device access */
112
113#define	EVIOCSCLOCKID		_IOW(EVDEV_IOC_MAGIC, 0xa0, int)		/* Set clockid to be used for timestamps */
114
115/*
116 * IDs.
117 */
118
119#define	ID_BUS			0
120#define	ID_VENDOR		1
121#define	ID_PRODUCT		2
122#define	ID_VERSION		3
123
124#define	BUS_PCI			0x01
125#define	BUS_ISAPNP		0x02
126#define	BUS_USB			0x03
127#define	BUS_HIL			0x04
128#define	BUS_BLUETOOTH		0x05
129#define	BUS_VIRTUAL		0x06
130
131#define	BUS_ISA			0x10
132#define	BUS_I8042		0x11
133#define	BUS_XTKBD		0x12
134#define	BUS_RS232		0x13
135#define	BUS_GAMEPORT		0x14
136#define	BUS_PARPORT		0x15
137#define	BUS_AMIGA		0x16
138#define	BUS_ADB			0x17
139#define	BUS_I2C			0x18
140#define	BUS_HOST		0x19
141#define	BUS_GSC			0x1A
142#define	BUS_ATARI		0x1B
143#define	BUS_SPI			0x1C
144#define	BUS_RMI			0x1D
145#define	BUS_CEC			0x1E
146#define	BUS_INTEL_ISHTP		0x1F
147
148/*
149 * MT_TOOL types
150 */
151#define	MT_TOOL_FINGER		0x00
152#define	MT_TOOL_PEN		0x01
153#define	MT_TOOL_PALM		0x02
154#define	MT_TOOL_DIAL		0x0a
155#define	MT_TOOL_MAX		0x0f
156
157/*
158 * Values describing the status of a force-feedback effect
159 */
160#define	FF_STATUS_STOPPED	0x00
161#define	FF_STATUS_PLAYING	0x01
162#define	FF_STATUS_MAX		0x01
163
164/* scheduling info for force feedback effect */
165struct ff_replay {
166	uint16_t	length;		/* length of the effect (ms) */
167	uint16_t	delay;		/* delay before effect starts (ms) */
168};
169
170/* trigger for force feedback effect */
171struct ff_trigger {
172	uint16_t	button;		/* trigger button number */
173	uint16_t	interval;	/* delay between re-triggers */
174};
175
176/* force feedback effect envelop */
177struct ff_envelope {
178	uint16_t	attack_length;	/* duration of the attach (ms) */
179	uint16_t	attack_level;	/* level at the beginning (0x0000 - 0x7fff) */
180	uint16_t	fade_length;	/* duratin of fade (ms) */
181	uint16_t	fade_level;	/* level at the end of fade */
182};
183
184struct ff_constant_effect {
185	int16_t			level;
186	struct ff_envelope	envelope;
187};
188
189struct ff_ramp_effect {
190	int16_t			start_level;
191	int16_t			end_level;
192	struct ff_envelope	envelope;
193};
194
195struct ff_condition_effect {
196	/* maximum level when joystick moved to respective side */
197	uint16_t	right_saturation;
198
199	uint16_t	left_saturation;
200	/* how fast force grows when joystick move to the respective side */
201	int16_t		right_coeff;
202	int16_t		left_coeff;
203
204	uint16_t	deadband;	/* size of dead zone when no force is produced */
205	int16_t		center;		/* center of dead zone */
206};
207
208/*
209 * Force feedback periodic effect types
210 */
211
212#define	FF_SQUARE	0x58
213#define	FF_TRIANGLE	0x59
214#define	FF_SINE		0x5a
215#define	FF_SAW_UP	0x5b
216#define	FF_SAW_DOWN	0x5c
217#define	FF_CUSTOM	0x5d
218
219#define	FF_WAVEFORM_MIN	FF_SQUARE
220#define	FF_WAVEFORM_MAX	FF_CUSTOM
221
222struct ff_periodic_effect {
223	uint16_t		waveform;
224	uint16_t		period;		/* ms */
225	int16_t			magnitude;	/* peak */
226	int16_t			offset;		/* mean, roughly */
227	uint16_t		phase;		/* horizontal shift */
228	struct ff_envelope	envelope;
229	uint32_t		custom_len;	/* FF_CUSTOM waveform only */
230	int16_t			*custom_data;	/* FF_CUSTOM waveform only */
231};
232
233struct ff_rumble_effect {
234	uint16_t	strong_magnitude;	/* magnitude of the heavy motor */
235	uint16_t	weak_magnitude;		/* magnitude of the light motor */
236};
237
238/*
239 * Force feedback effect types
240 */
241
242#define	FF_RUMBLE	0x50
243#define	FF_PERIODIC	0x51
244#define	FF_CONSTANT	0x52
245#define	FF_SPRING	0x53
246#define	FF_FRICTION	0x54
247#define	FF_DAMPER	0x55
248#define	FF_INERTIA	0x56
249#define	FF_RAMP		0x57
250
251#define	FF_EFFECT_MIN	FF_RUMBLE
252#define	FF_EFFECT_MAX	FF_RAMP
253
254struct ff_effect {
255	uint16_t		type;
256	int16_t			id;
257	uint16_t		direction;	/* [0 .. 360) degrees -> [0 .. 0x10000) */
258	struct ff_trigger	trigger;
259	struct ff_replay	replay;
260
261	union {
262		struct ff_constant_effect	constant;
263		struct ff_ramp_effect		ramp;
264		struct ff_periodic_effect	periodic;
265		struct ff_condition_effect	condition[2]; /* One for each axis */
266		struct ff_rumble_effect		rumble;
267	} u;
268};
269
270/*
271 * force feedback device properties
272 */
273
274#define	FF_GAIN		0x60
275#define	FF_AUTOCENTER	0x61
276
277#define	FF_MAX		0x7f
278#define	FF_CNT		(FF_MAX+1)
279
280#endif /* _EVDEV_INPUT_H */
281