xref: /freebsd/sys/dev/hid/hid.h (revision f54caa04edd99e341fbb0636d2c621b4a2eb36bf)
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_APPLE		0x00ff
61 #define	HUP_FIDO		0xf1d0
62 #define	HUP_MICROSOFT		0xff00
63 #define	HUP_HP			0xff01
64 
65 /* Usages, generic desktop */
66 #define	HUG_POINTER		0x0001
67 #define	HUG_MOUSE		0x0002
68 #define	HUG_JOYSTICK		0x0004
69 #define	HUG_GAME_PAD		0x0005
70 #define	HUG_KEYBOARD		0x0006
71 #define	HUG_KEYPAD		0x0007
72 #define	HUG_MULTIAXIS_CNTROLLER	0x0008
73 #define	HUG_X			0x0030
74 #define	HUG_Y			0x0031
75 #define	HUG_Z			0x0032
76 #define	HUG_RX			0x0033
77 #define	HUG_RY			0x0034
78 #define	HUG_RZ			0x0035
79 #define	HUG_SLIDER		0x0036
80 #define	HUG_DIAL		0x0037
81 #define	HUG_WHEEL		0x0038
82 #define	HUG_HAT_SWITCH		0x0039
83 #define	HUG_COUNTED_BUFFER	0x003a
84 #define	HUG_BYTE_COUNT		0x003b
85 #define	HUG_MOTION_WAKEUP	0x003c
86 #define	HUG_VX			0x0040
87 #define	HUG_VY			0x0041
88 #define	HUG_VZ			0x0042
89 #define	HUG_VBRX		0x0043
90 #define	HUG_VBRY		0x0044
91 #define	HUG_VBRZ		0x0045
92 #define	HUG_VNO			0x0046
93 #define	HUG_TWHEEL		0x0048	/* M$ Wireless Intellimouse Wheel */
94 #define	HUG_SYSTEM_CONTROL	0x0080
95 #define	HUG_SYSTEM_POWER_DOWN	0x0081
96 #define	HUG_SYSTEM_SLEEP	0x0082
97 #define	HUG_SYSTEM_WAKEUP	0x0083
98 #define	HUG_SYSTEM_CONTEXT_MENU	0x0084
99 #define	HUG_SYSTEM_MAIN_MENU	0x0085
100 #define	HUG_SYSTEM_APP_MENU	0x0086
101 #define	HUG_SYSTEM_MENU_HELP	0x0087
102 #define	HUG_SYSTEM_MENU_EXIT	0x0088
103 #define	HUG_SYSTEM_MENU_SELECT	0x0089
104 #define	HUG_SYSTEM_MENU_RIGHT	0x008a
105 #define	HUG_SYSTEM_MENU_LEFT	0x008b
106 #define	HUG_SYSTEM_MENU_UP	0x008c
107 #define	HUG_SYSTEM_MENU_DOWN	0x008d
108 #define	HUG_SYSTEM_POWER_UP	0x008e
109 #define	HUG_SYSTEM_RESTART	0x008f
110 #define	HUG_D_PAD_UP		0x0090
111 #define	HUG_D_PAD_DOWN		0x0091
112 #define	HUG_D_PAD_RIGHT		0x0092
113 #define	HUG_D_PAD_LEFT		0x0093
114 #define	HUG_APPLE_EJECT		0x00b8
115 
116 /* Usages Digitizers */
117 #define	HUD_UNDEFINED		0x0000
118 #define	HUD_DIGITIZER		0x0001
119 #define	HUD_PEN			0x0002
120 #define	HUD_TOUCHSCREEN		0x0004
121 #define	HUD_TOUCHPAD		0x0005
122 #define	HUD_CONFIG		0x000e
123 #define	HUD_FINGER		0x0022
124 #define	HUD_TIP_PRESSURE	0x0030
125 #define	HUD_BARREL_PRESSURE	0x0031
126 #define	HUD_IN_RANGE		0x0032
127 #define	HUD_TOUCH		0x0033
128 #define	HUD_UNTOUCH		0x0034
129 #define	HUD_TAP			0x0035
130 #define	HUD_QUALITY		0x0036
131 #define	HUD_DATA_VALID		0x0037
132 #define	HUD_TRANSDUCER_INDEX	0x0038
133 #define	HUD_TABLET_FKEYS	0x0039
134 #define	HUD_PROGRAM_CHANGE_KEYS	0x003a
135 #define	HUD_BATTERY_STRENGTH	0x003b
136 #define	HUD_INVERT		0x003c
137 #define	HUD_X_TILT		0x003d
138 #define	HUD_Y_TILT		0x003e
139 #define	HUD_AZIMUTH		0x003f
140 #define	HUD_ALTITUDE		0x0040
141 #define	HUD_TWIST		0x0041
142 #define	HUD_TIP_SWITCH		0x0042
143 #define	HUD_SEC_TIP_SWITCH	0x0043
144 #define	HUD_BARREL_SWITCH	0x0044
145 #define	HUD_ERASER		0x0045
146 #define	HUD_TABLET_PICK		0x0046
147 #define	HUD_CONFIDENCE		0x0047
148 #define	HUD_WIDTH		0x0048
149 #define	HUD_HEIGHT		0x0049
150 #define	HUD_CONTACTID		0x0051
151 #define	HUD_INPUT_MODE		0x0052
152 #define	HUD_DEVICE_INDEX	0x0053
153 #define	HUD_CONTACTCOUNT	0x0054
154 #define	HUD_CONTACT_MAX		0x0055
155 #define	HUD_SCAN_TIME		0x0056
156 #define	HUD_SURFACE_SWITCH	0x0057
157 #define	HUD_BUTTONS_SWITCH	0x0058
158 #define	HUD_BUTTON_TYPE		0x0059
159 #define	HUD_SEC_BARREL_SWITCH	0x005a
160 #define	HUD_LATENCY_MODE	0x0060
161 
162 /* Usages, Consumer */
163 #define	HUC_CONTROL		0x0001
164 #define	HUC_HEADPHONE		0x0005
165 #define	HUC_AC_PAN		0x0238
166 
167 /* Usages, FIDO */
168 #define	HUF_U2FHID		0x0001
169 
170 #define	HID_USAGE2(p,u)		(((p) << 16) | (u))
171 #define	HID_GET_USAGE(u)	((u) & 0xffff)
172 #define	HID_GET_USAGE_PAGE(u)	(((u) >> 16) & 0xffff)
173 
174 #define	HID_INPUT_REPORT	0x01
175 #define	HID_OUTPUT_REPORT	0x02
176 #define	HID_FEATURE_REPORT	0x03
177 
178 /* Bits in the input/output/feature items */
179 #define	HIO_CONST	0x001
180 #define	HIO_VARIABLE	0x002
181 #define	HIO_RELATIVE	0x004
182 #define	HIO_WRAP	0x008
183 #define	HIO_NONLINEAR	0x010
184 #define	HIO_NOPREF	0x020
185 #define	HIO_NULLSTATE	0x040
186 #define	HIO_VOLATILE	0x080
187 #define	HIO_BUFBYTES	0x100
188 
189 /* Units of Measure */
190 #define	HUM_CENTIMETER	0x11
191 #define	HUM_RADIAN	0x12
192 #define	HUM_INCH	0x13
193 #define	HUM_INCH_EGALAX	0x33
194 #define	HUM_DEGREE	0x14
195 
196 #if defined(_KERNEL) || defined(_STANDALONE)
197 
198 #define	HID_ITEM_MAXUSAGE	8
199 #define	HID_MAX_AUTO_QUIRK	8	/* maximum number of dynamic quirks */
200 #define	HID_PNP_ID_SIZE		20	/* includes null terminator */
201 
202 /* Declare global HID debug variable. */
203 extern int hid_debug;
204 
205 /* Check if HID debugging is enabled. */
206 #ifdef HID_DEBUG_VAR
207 #ifdef HID_DEBUG
208 #define DPRINTFN(n,fmt,...) do {			\
209 	if ((HID_DEBUG_VAR) >= (n)) {			\
210 		printf("%s: " fmt,			\
211 		    __FUNCTION__ ,##__VA_ARGS__);	\
212 	}						\
213 } while (0)
214 #define DPRINTF(...)	DPRINTFN(1, __VA_ARGS__)
215 #else
216 #define DPRINTF(...)	do { } while (0)
217 #define DPRINTFN(...)	do { } while (0)
218 #endif
219 #endif
220 
221 /* Declare parent SYSCTL HID node. */
222 #ifdef SYSCTL_DECL
223 SYSCTL_DECL(_hw_hid);
224 #endif
225 
226 typedef uint32_t hid_size_t;
227 
228 #define	HID_IN_POLLING_MODE()	(SCHEDULER_STOPPED() || kdb_active)
229 
230 enum hid_kind {
231 	hid_input, hid_output, hid_feature, hid_collection, hid_endcollection
232 };
233 
234 struct hid_location {
235 	uint32_t size;
236 	uint32_t count;
237 	uint32_t pos;
238 };
239 
240 struct hid_item {
241 	/* Global */
242 	uint32_t _usage_page;
243 	int32_t	logical_minimum;
244 	int32_t	logical_maximum;
245 	int32_t	physical_minimum;
246 	int32_t	physical_maximum;
247 	uint32_t unit_exponent;
248 	uint32_t unit;
249 	uint32_t report_ID;
250 	/* Local */
251 	int	nusages;
252 	union {
253 		uint32_t usage;
254 		uint32_t usages[HID_ITEM_MAXUSAGE];
255 	};
256 	uint32_t usage_minimum;
257 	uint32_t usage_maximum;
258 	uint32_t designator_index;
259 	uint32_t designator_minimum;
260 	uint32_t designator_maximum;
261 	uint32_t string_index;
262 	uint32_t string_minimum;
263 	uint32_t string_maximum;
264 	uint32_t set_delimiter;
265 	/* Misc */
266 	uint32_t collection;
267 	int	collevel;
268 	enum hid_kind kind;
269 	uint32_t flags;
270 	/* Location */
271 	struct hid_location loc;
272 };
273 
274 struct hid_absinfo {
275 	int32_t min;
276 	int32_t max;
277 	int32_t res;
278 };
279 
280 struct hid_device_info {
281 	char		name[80];
282 	char		serial[80];
283 	char		idPnP[HID_PNP_ID_SIZE];
284 	uint16_t	idBus;
285 	uint16_t	idVendor;
286 	uint16_t	idProduct;
287 	uint16_t	idVersion;
288 	hid_size_t	rdescsize;	/* Report descriptor size */
289 	uint8_t		autoQuirk[HID_MAX_AUTO_QUIRK];
290 };
291 
292 struct hid_rdesc_info {
293 	void		*data;
294 	hid_size_t	len;
295 	hid_size_t	isize;
296 	hid_size_t	osize;
297 	hid_size_t	fsize;
298 	uint8_t		iid;
299 	uint8_t		oid;
300 	uint8_t		fid;
301 	/* Max sizes for HID requests supported by transport backend */
302 	hid_size_t	rdsize;
303 	hid_size_t	wrsize;
304 	hid_size_t	grsize;
305 	hid_size_t	srsize;
306 };
307 
308 typedef void hid_intr_t(void *context, void *data, hid_size_t len);
309 typedef bool hid_test_quirk_t(const struct hid_device_info *dev_info,
310     uint16_t quirk);
311 
312 extern hid_test_quirk_t *hid_test_quirk_p;
313 
314 /* prototypes from "usb_hid.c" */
315 
316 struct hid_data *hid_start_parse(const void *d, hid_size_t len, int kindset);
317 void	hid_end_parse(struct hid_data *s);
318 int	hid_get_item(struct hid_data *s, struct hid_item *h);
319 int	hid_report_size(const void *buf, hid_size_t len, enum hid_kind k,
320 	    uint8_t id);
321 int	hid_report_size_max(const void *buf, hid_size_t len, enum hid_kind k,
322 	    uint8_t *id);
323 int	hid_locate(const void *desc, hid_size_t size, int32_t usage,
324 	    enum hid_kind kind, uint8_t index, struct hid_location *loc,
325 	    uint32_t *flags, uint8_t *id);
326 int32_t hid_get_data(const uint8_t *buf, hid_size_t len,
327 	    struct hid_location *loc);
328 uint32_t hid_get_udata(const uint8_t *buf, hid_size_t len,
329 	    struct hid_location *loc);
330 void	hid_put_udata(uint8_t *buf, hid_size_t len,
331 	    struct hid_location *loc, unsigned int value);
332 int	hid_is_collection(const void *desc, hid_size_t size, int32_t usage);
333 int32_t	hid_item_resolution(struct hid_item *hi);
334 int	hid_is_mouse(const void *d_ptr, uint16_t d_len);
335 int	hid_is_keyboard(const void *d_ptr, uint16_t d_len);
336 bool	hid_test_quirk(const struct hid_device_info *dev_info, uint16_t quirk);
337 int	hid_add_dynamic_quirk(struct hid_device_info *dev_info,
338 	    uint16_t quirk);
339 void	hid_quirk_unload(void *arg);
340 
341 int	hid_intr_start(device_t);
342 int	hid_intr_stop(device_t);
343 void	hid_intr_poll(device_t);
344 int	hid_get_rdesc(device_t, void *, hid_size_t);
345 int	hid_read(device_t, void *, hid_size_t, hid_size_t *);
346 int	hid_write(device_t, const void *, hid_size_t);
347 int	hid_get_report(device_t, void *, hid_size_t, hid_size_t *, uint8_t,
348 	    uint8_t);
349 int	hid_set_report(device_t, const void *, hid_size_t, uint8_t, uint8_t);
350 int	hid_set_idle(device_t, uint16_t, uint8_t);
351 int	hid_set_protocol(device_t, uint16_t);
352 int	hid_ioctl(device_t, unsigned long, uintptr_t);
353 #endif	/* _KERNEL || _STANDALONE */
354 #endif	/* _HID_HID_H_ */
355