xref: /freebsd/sys/dev/hid/hid.h (revision 71625ec9ad2a9bc8c09784fbd23b759830e0ee5f)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5  * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
6  * Copyright (c) 1998 Lennart Augustsson. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #ifndef _HID_HID_H_
31 #define	_HID_HID_H_
32 
33 /* Usage pages */
34 #define	HUP_UNDEFINED		0x0000
35 #define	HUP_GENERIC_DESKTOP	0x0001
36 #define	HUP_SIMULATION		0x0002
37 #define	HUP_VR_CONTROLS		0x0003
38 #define	HUP_SPORTS_CONTROLS	0x0004
39 #define	HUP_GAMING_CONTROLS	0x0005
40 #define	HUP_KEYBOARD		0x0007
41 #define	HUP_LEDS		0x0008
42 #define	HUP_BUTTON		0x0009
43 #define	HUP_ORDINALS		0x000a
44 #define	HUP_TELEPHONY		0x000b
45 #define	HUP_CONSUMER		0x000c
46 #define	HUP_DIGITIZERS		0x000d
47 #define	HUP_PHYSICAL_IFACE	0x000e
48 #define	HUP_UNICODE		0x0010
49 #define	HUP_ALPHANUM_DISPLAY	0x0014
50 #define	HUP_MONITOR		0x0080
51 #define	HUP_MONITOR_ENUM_VAL	0x0081
52 #define	HUP_VESA_VC		0x0082
53 #define	HUP_VESA_CMD		0x0083
54 #define	HUP_POWER		0x0084
55 #define	HUP_BATTERY_SYSTEM	0x0085
56 #define	HUP_BARCODE_SCANNER	0x008b
57 #define	HUP_SCALE		0x008c
58 #define	HUP_CAMERA_CONTROL	0x0090
59 #define	HUP_ARCADE		0x0091
60 #define	HUP_MICROSOFT		0xff00
61 
62 /* Usages, generic desktop */
63 #define	HUG_POINTER		0x0001
64 #define	HUG_MOUSE		0x0002
65 #define	HUG_JOYSTICK		0x0004
66 #define	HUG_GAME_PAD		0x0005
67 #define	HUG_KEYBOARD		0x0006
68 #define	HUG_KEYPAD		0x0007
69 #define	HUG_MULTIAXIS_CNTROLLER	0x0008
70 #define	HUG_X			0x0030
71 #define	HUG_Y			0x0031
72 #define	HUG_Z			0x0032
73 #define	HUG_RX			0x0033
74 #define	HUG_RY			0x0034
75 #define	HUG_RZ			0x0035
76 #define	HUG_SLIDER		0x0036
77 #define	HUG_DIAL		0x0037
78 #define	HUG_WHEEL		0x0038
79 #define	HUG_HAT_SWITCH		0x0039
80 #define	HUG_COUNTED_BUFFER	0x003a
81 #define	HUG_BYTE_COUNT		0x003b
82 #define	HUG_MOTION_WAKEUP	0x003c
83 #define	HUG_VX			0x0040
84 #define	HUG_VY			0x0041
85 #define	HUG_VZ			0x0042
86 #define	HUG_VBRX		0x0043
87 #define	HUG_VBRY		0x0044
88 #define	HUG_VBRZ		0x0045
89 #define	HUG_VNO			0x0046
90 #define	HUG_TWHEEL		0x0048	/* M$ Wireless Intellimouse Wheel */
91 #define	HUG_SYSTEM_CONTROL	0x0080
92 #define	HUG_SYSTEM_POWER_DOWN	0x0081
93 #define	HUG_SYSTEM_SLEEP	0x0082
94 #define	HUG_SYSTEM_WAKEUP	0x0083
95 #define	HUG_SYSTEM_CONTEXT_MENU	0x0084
96 #define	HUG_SYSTEM_MAIN_MENU	0x0085
97 #define	HUG_SYSTEM_APP_MENU	0x0086
98 #define	HUG_SYSTEM_MENU_HELP	0x0087
99 #define	HUG_SYSTEM_MENU_EXIT	0x0088
100 #define	HUG_SYSTEM_MENU_SELECT	0x0089
101 #define	HUG_SYSTEM_MENU_RIGHT	0x008a
102 #define	HUG_SYSTEM_MENU_LEFT	0x008b
103 #define	HUG_SYSTEM_MENU_UP	0x008c
104 #define	HUG_SYSTEM_MENU_DOWN	0x008d
105 #define	HUG_SYSTEM_POWER_UP	0x008e
106 #define	HUG_SYSTEM_RESTART	0x008f
107 #define	HUG_D_PAD_UP		0x0090
108 #define	HUG_D_PAD_DOWN		0x0091
109 #define	HUG_D_PAD_RIGHT		0x0092
110 #define	HUG_D_PAD_LEFT		0x0093
111 #define	HUG_APPLE_EJECT		0x00b8
112 
113 /* Usages Digitizers */
114 #define	HUD_UNDEFINED		0x0000
115 #define	HUD_DIGITIZER		0x0001
116 #define	HUD_PEN			0x0002
117 #define	HUD_TOUCHSCREEN		0x0004
118 #define	HUD_TOUCHPAD		0x0005
119 #define	HUD_CONFIG		0x000e
120 #define	HUD_FINGER		0x0022
121 #define	HUD_TIP_PRESSURE	0x0030
122 #define	HUD_BARREL_PRESSURE	0x0031
123 #define	HUD_IN_RANGE		0x0032
124 #define	HUD_TOUCH		0x0033
125 #define	HUD_UNTOUCH		0x0034
126 #define	HUD_TAP			0x0035
127 #define	HUD_QUALITY		0x0036
128 #define	HUD_DATA_VALID		0x0037
129 #define	HUD_TRANSDUCER_INDEX	0x0038
130 #define	HUD_TABLET_FKEYS	0x0039
131 #define	HUD_PROGRAM_CHANGE_KEYS	0x003a
132 #define	HUD_BATTERY_STRENGTH	0x003b
133 #define	HUD_INVERT		0x003c
134 #define	HUD_X_TILT		0x003d
135 #define	HUD_Y_TILT		0x003e
136 #define	HUD_AZIMUTH		0x003f
137 #define	HUD_ALTITUDE		0x0040
138 #define	HUD_TWIST		0x0041
139 #define	HUD_TIP_SWITCH		0x0042
140 #define	HUD_SEC_TIP_SWITCH	0x0043
141 #define	HUD_BARREL_SWITCH	0x0044
142 #define	HUD_ERASER		0x0045
143 #define	HUD_TABLET_PICK		0x0046
144 #define	HUD_CONFIDENCE		0x0047
145 #define	HUD_WIDTH		0x0048
146 #define	HUD_HEIGHT		0x0049
147 #define	HUD_CONTACTID		0x0051
148 #define	HUD_INPUT_MODE		0x0052
149 #define	HUD_DEVICE_INDEX	0x0053
150 #define	HUD_CONTACTCOUNT	0x0054
151 #define	HUD_CONTACT_MAX		0x0055
152 #define	HUD_SCAN_TIME		0x0056
153 #define	HUD_SURFACE_SWITCH	0x0057
154 #define	HUD_BUTTONS_SWITCH	0x0058
155 #define	HUD_BUTTON_TYPE		0x0059
156 #define	HUD_SEC_BARREL_SWITCH	0x005a
157 #define	HUD_LATENCY_MODE	0x0060
158 
159 /* Usages, Consumer */
160 #define	HUC_CONTROL		0x0001
161 #define	HUC_HEADPHONE		0x0005
162 #define	HUC_AC_PAN		0x0238
163 
164 #define	HID_USAGE2(p,u)		(((p) << 16) | (u))
165 #define	HID_GET_USAGE(u)	((u) & 0xffff)
166 #define	HID_GET_USAGE_PAGE(u)	(((u) >> 16) & 0xffff)
167 
168 #define	HID_INPUT_REPORT	0x01
169 #define	HID_OUTPUT_REPORT	0x02
170 #define	HID_FEATURE_REPORT	0x03
171 
172 /* Bits in the input/output/feature items */
173 #define	HIO_CONST	0x001
174 #define	HIO_VARIABLE	0x002
175 #define	HIO_RELATIVE	0x004
176 #define	HIO_WRAP	0x008
177 #define	HIO_NONLINEAR	0x010
178 #define	HIO_NOPREF	0x020
179 #define	HIO_NULLSTATE	0x040
180 #define	HIO_VOLATILE	0x080
181 #define	HIO_BUFBYTES	0x100
182 
183 /* Units of Measure */
184 #define	HUM_CENTIMETER	0x11
185 #define	HUM_RADIAN	0x12
186 #define	HUM_INCH	0x13
187 #define	HUM_INCH_EGALAX	0x33
188 #define	HUM_DEGREE	0x14
189 
190 #if defined(_KERNEL) || defined(_STANDALONE)
191 
192 #define	HID_ITEM_MAXUSAGE	8
193 #define	HID_MAX_AUTO_QUIRK	8	/* maximum number of dynamic quirks */
194 #define	HID_PNP_ID_SIZE		20	/* includes null terminator */
195 
196 /* Declare global HID debug variable. */
197 extern int hid_debug;
198 
199 /* Check if HID debugging is enabled. */
200 #ifdef HID_DEBUG_VAR
201 #ifdef HID_DEBUG
202 #define DPRINTFN(n,fmt,...) do {			\
203 	if ((HID_DEBUG_VAR) >= (n)) {			\
204 		printf("%s: " fmt,			\
205 		    __FUNCTION__ ,##__VA_ARGS__);	\
206 	}						\
207 } while (0)
208 #define DPRINTF(...)	DPRINTFN(1, __VA_ARGS__)
209 #else
210 #define DPRINTF(...)	do { } while (0)
211 #define DPRINTFN(...)	do { } while (0)
212 #endif
213 #endif
214 
215 /* Declare parent SYSCTL HID node. */
216 #ifdef SYSCTL_DECL
217 SYSCTL_DECL(_hw_hid);
218 #endif
219 
220 typedef uint32_t hid_size_t;
221 
222 #define	HID_IN_POLLING_MODE()	(SCHEDULER_STOPPED() || kdb_active)
223 
224 enum hid_kind {
225 	hid_input, hid_output, hid_feature, hid_collection, hid_endcollection
226 };
227 
228 struct hid_location {
229 	uint32_t size;
230 	uint32_t count;
231 	uint32_t pos;
232 };
233 
234 struct hid_item {
235 	/* Global */
236 	int32_t	_usage_page;
237 	int32_t	logical_minimum;
238 	int32_t	logical_maximum;
239 	int32_t	physical_minimum;
240 	int32_t	physical_maximum;
241 	int32_t	unit_exponent;
242 	int32_t	unit;
243 	int32_t	report_ID;
244 	/* Local */
245 	int	nusages;
246 	union {
247 		int32_t	usage;
248 		int32_t usages[HID_ITEM_MAXUSAGE];
249 	};
250 	int32_t	usage_minimum;
251 	int32_t	usage_maximum;
252 	int32_t	designator_index;
253 	int32_t	designator_minimum;
254 	int32_t	designator_maximum;
255 	int32_t	string_index;
256 	int32_t	string_minimum;
257 	int32_t	string_maximum;
258 	int32_t	set_delimiter;
259 	/* Misc */
260 	int32_t	collection;
261 	int	collevel;
262 	enum hid_kind kind;
263 	uint32_t flags;
264 	/* Location */
265 	struct hid_location loc;
266 };
267 
268 struct hid_absinfo {
269 	int32_t min;
270 	int32_t max;
271 	int32_t res;
272 };
273 
274 struct hid_device_info {
275 	char		name[80];
276 	char		serial[80];
277 	char		idPnP[HID_PNP_ID_SIZE];
278 	uint16_t	idBus;
279 	uint16_t	idVendor;
280 	uint16_t	idProduct;
281 	uint16_t	idVersion;
282 	hid_size_t	rdescsize;	/* Report descriptor size */
283 	uint8_t		autoQuirk[HID_MAX_AUTO_QUIRK];
284 };
285 
286 struct hid_rdesc_info {
287 	void		*data;
288 	hid_size_t	len;
289 	hid_size_t	isize;
290 	hid_size_t	osize;
291 	hid_size_t	fsize;
292 	uint8_t		iid;
293 	uint8_t		oid;
294 	uint8_t		fid;
295 	/* Max sizes for HID requests supported by transport backend */
296 	hid_size_t	rdsize;
297 	hid_size_t	wrsize;
298 	hid_size_t	grsize;
299 	hid_size_t	srsize;
300 };
301 
302 typedef void hid_intr_t(void *context, void *data, hid_size_t len);
303 typedef bool hid_test_quirk_t(const struct hid_device_info *dev_info,
304     uint16_t quirk);
305 
306 extern hid_test_quirk_t *hid_test_quirk_p;
307 
308 /* prototypes from "usb_hid.c" */
309 
310 struct hid_data *hid_start_parse(const void *d, hid_size_t len, int kindset);
311 void	hid_end_parse(struct hid_data *s);
312 int	hid_get_item(struct hid_data *s, struct hid_item *h);
313 int	hid_report_size(const void *buf, hid_size_t len, enum hid_kind k,
314 	    uint8_t id);
315 int	hid_report_size_max(const void *buf, hid_size_t len, enum hid_kind k,
316 	    uint8_t *id);
317 int	hid_locate(const void *desc, hid_size_t size, int32_t usage,
318 	    enum hid_kind kind, uint8_t index, struct hid_location *loc,
319 	    uint32_t *flags, uint8_t *id);
320 int32_t hid_get_data(const uint8_t *buf, hid_size_t len,
321 	    struct hid_location *loc);
322 uint32_t hid_get_udata(const uint8_t *buf, hid_size_t len,
323 	    struct hid_location *loc);
324 void	hid_put_udata(uint8_t *buf, hid_size_t len,
325 	    struct hid_location *loc, unsigned int value);
326 int	hid_is_collection(const void *desc, hid_size_t size, int32_t usage);
327 int32_t	hid_item_resolution(struct hid_item *hi);
328 int	hid_is_mouse(const void *d_ptr, uint16_t d_len);
329 int	hid_is_keyboard(const void *d_ptr, uint16_t d_len);
330 bool	hid_test_quirk(const struct hid_device_info *dev_info, uint16_t quirk);
331 int	hid_add_dynamic_quirk(struct hid_device_info *dev_info,
332 	    uint16_t quirk);
333 void	hid_quirk_unload(void *arg);
334 
335 int	hid_intr_start(device_t);
336 int	hid_intr_stop(device_t);
337 void	hid_intr_poll(device_t);
338 int	hid_get_rdesc(device_t, void *, hid_size_t);
339 int	hid_read(device_t, void *, hid_size_t, hid_size_t *);
340 int	hid_write(device_t, const void *, hid_size_t);
341 int	hid_get_report(device_t, void *, hid_size_t, hid_size_t *, uint8_t,
342 	    uint8_t);
343 int	hid_set_report(device_t, const void *, hid_size_t, uint8_t, uint8_t);
344 int	hid_set_idle(device_t, uint16_t, uint8_t);
345 int	hid_set_protocol(device_t, uint16_t);
346 int	hid_ioctl(device_t, unsigned long, uintptr_t);
347 #endif	/* _KERNEL || _STANDALONE */
348 #endif	/* _HID_HID_H_ */
349