xref: /openbsd/sys/dev/usb/usb.h (revision 133306f0)
1 /*	$OpenBSD: usb.h,v 1.12 2001/01/28 09:43:42 aaron Exp $ */
2 /*	$NetBSD: usb.h,v 1.50 2000/06/01 15:43:32 augustss Exp $	*/
3 /*	$FreeBSD: src/sys/dev/usb/usb.h,v 1.14 1999/11/17 22:33:46 n_hibma Exp $	*/
4 
5 /*
6  * Copyright (c) 1998 The NetBSD Foundation, Inc.
7  * All rights reserved.
8  *
9  * This code is derived from software contributed to The NetBSD Foundation
10  * by Lennart Augustsson (lennart@augustsson.net) at
11  * Carlstedt Research & Technology.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. All advertising materials mentioning features or use of this software
22  *    must display the following acknowledgement:
23  *        This product includes software developed by the NetBSD
24  *        Foundation, Inc. and its contributors.
25  * 4. Neither the name of The NetBSD Foundation nor the names of its
26  *    contributors may be used to endorse or promote products derived
27  *    from this software without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
30  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
31  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
32  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
33  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
36  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39  * POSSIBILITY OF SUCH DAMAGE.
40  */
41 
42 
43 #ifndef _USB_H_
44 #define _USB_H_
45 
46 #include <sys/types.h>
47 #include <sys/time.h>
48 
49 #if defined(__NetBSD__) || defined(__OpenBSD__)
50 #include <sys/ioctl.h>
51 
52 #if defined(_KERNEL)
53 #include <dev/usb/usb_port.h>
54 #endif /* _KERNEL */
55 
56 #elif defined(__FreeBSD__)
57 #if defined(KERNEL)
58 #include <sys/malloc.h>
59 
60 MALLOC_DECLARE(M_USB);
61 MALLOC_DECLARE(M_USBDEV);
62 MALLOC_DECLARE(M_USBHC);
63 
64 #include <dev/usb/usb_port.h>
65 #endif /* KERNEL */
66 #endif /* __FreeBSD__ */
67 
68 
69 #define USB_MAX_DEVICES 128
70 #define USB_START_ADDR 0
71 
72 #define USB_CONTROL_ENDPOINT 0
73 #define USB_MAX_ENDPOINTS 16
74 
75 #define USB_FRAMES_PER_SECOND 1000
76 
77 /*
78  * The USB records contain some unaligned little-endian word
79  * components.  The U[SG]ETW macros take care of both the alignment
80  * and endian problem and should always be used to access non-byte
81  * values.
82  */
83 typedef u_int8_t uByte;
84 typedef u_int8_t uWord[2];
85 typedef u_int8_t uDWord[4];
86 
87 #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
88 
89 #if 1
90 #define UGETW(w) ((w)[0] | ((w)[1] << 8))
91 #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
92 #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
93 #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
94 		     (w)[1] = (u_int8_t)((v) >> 8), \
95 		     (w)[2] = (u_int8_t)((v) >> 16), \
96 		     (w)[3] = (u_int8_t)((v) >> 24))
97 #else
98 /*
99  * On little-endian machines that can handle unanliged accesses
100  * (e.g. i386) these macros can be replaced by the following.
101  */
102 #define UGETW(w) (*(u_int16_t *)(w))
103 #define USETW(w,v) (*(u_int16_t *)(w) = (v))
104 #define UGETDW(w) (*(u_int32_t *)(w))
105 #define USETDW(w,v) (*(u_int32_t *)(w) = (v))
106 #endif
107 
108 #define UPACKED __attribute__((__packed__))
109 
110 typedef struct {
111 	uByte		bmRequestType;
112 	uByte		bRequest;
113 	uWord		wValue;
114 	uWord		wIndex;
115 	uWord		wLength;
116 } UPACKED usb_device_request_t;
117 
118 #define UT_WRITE		0x00
119 #define UT_READ			0x80
120 #define UT_STANDARD		0x00
121 #define UT_CLASS		0x20
122 #define UT_VENDOR		0x40
123 #define UT_DEVICE		0x00
124 #define UT_INTERFACE		0x01
125 #define UT_ENDPOINT		0x02
126 #define UT_OTHER		0x03
127 
128 #define UT_READ_DEVICE		(UT_READ  | UT_STANDARD | UT_DEVICE)
129 #define UT_READ_INTERFACE	(UT_READ  | UT_STANDARD | UT_INTERFACE)
130 #define UT_READ_ENDPOINT	(UT_READ  | UT_STANDARD | UT_ENDPOINT)
131 #define UT_WRITE_DEVICE		(UT_WRITE | UT_STANDARD | UT_DEVICE)
132 #define UT_WRITE_INTERFACE	(UT_WRITE | UT_STANDARD | UT_INTERFACE)
133 #define UT_WRITE_ENDPOINT	(UT_WRITE | UT_STANDARD | UT_ENDPOINT)
134 #define UT_READ_CLASS_DEVICE	(UT_READ  | UT_CLASS | UT_DEVICE)
135 #define UT_READ_CLASS_INTERFACE	(UT_READ  | UT_CLASS | UT_INTERFACE)
136 #define UT_READ_CLASS_OTHER	(UT_READ  | UT_CLASS | UT_OTHER)
137 #define UT_READ_CLASS_ENDPOINT	(UT_READ  | UT_CLASS | UT_ENDPOINT)
138 #define UT_WRITE_CLASS_DEVICE	(UT_WRITE | UT_CLASS | UT_DEVICE)
139 #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
140 #define UT_WRITE_CLASS_OTHER	(UT_WRITE | UT_CLASS | UT_OTHER)
141 #define UT_WRITE_CLASS_ENDPOINT	(UT_WRITE | UT_CLASS | UT_ENDPOINT)
142 #define UT_READ_VENDOR_DEVICE	(UT_READ  | UT_VENDOR | UT_DEVICE)
143 #define UT_READ_VENDOR_INTERFACE (UT_READ  | UT_VENDOR | UT_INTERFACE)
144 #define UT_READ_VENDOR_OTHER	(UT_READ  | UT_VENDOR | UT_OTHER)
145 #define UT_READ_VENDOR_ENDPOINT	(UT_READ  | UT_VENDOR | UT_ENDPOINT)
146 #define UT_WRITE_VENDOR_DEVICE	(UT_WRITE | UT_VENDOR | UT_DEVICE)
147 #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
148 #define UT_WRITE_VENDOR_OTHER	(UT_WRITE | UT_VENDOR | UT_OTHER)
149 #define UT_WRITE_VENDOR_ENDPOINT (UT_WRITE | UT_VENDOR | UT_ENDPOINT)
150 
151 /* Requests */
152 #define UR_GET_STATUS		0x00
153 #define UR_CLEAR_FEATURE	0x01
154 #define UR_SET_FEATURE		0x03
155 #define UR_SET_ADDRESS		0x05
156 #define UR_GET_DESCRIPTOR	0x06
157 #define  UDESC_DEVICE		0x01
158 #define  UDESC_CONFIG		0x02
159 #define  UDESC_STRING		0x03
160 #define  UDESC_INTERFACE	0x04
161 #define  UDESC_ENDPOINT		0x05
162 #define  UDESC_CS_DEVICE	0x21	/* class specific */
163 #define  UDESC_CS_CONFIG	0x22
164 #define  UDESC_CS_STRING	0x23
165 #define  UDESC_CS_INTERFACE	0x24
166 #define  UDESC_CS_ENDPOINT	0x25
167 #define  UDESC_HUB		0x29
168 #define UR_SET_DESCRIPTOR	0x07
169 #define UR_GET_CONFIG		0x08
170 #define UR_SET_CONFIG		0x09
171 #define UR_GET_INTERFACE	0x0a
172 #define UR_SET_INTERFACE	0x0b
173 #define UR_SYNCH_FRAME		0x0c
174 
175 /* Feature numbers */
176 #define UF_ENDPOINT_HALT	0
177 #define UF_DEVICE_REMOTE_WAKEUP	1
178 
179 #define USB_MAX_IPACKET		8 /* maximum size of the initial packet */
180 
181 typedef struct {
182 	uByte		bLength;
183 	uByte		bDescriptorType;
184 	uByte		bDescriptorSubtype;
185 } UPACKED usb_descriptor_t;
186 
187 typedef struct {
188 	uByte		bLength;
189 	uByte		bDescriptorType;
190 	uWord		bcdUSB;
191 	uByte		bDeviceClass;
192 	uByte		bDeviceSubClass;
193 	uByte		bDeviceProtocol;
194 	uByte		bMaxPacketSize;
195 	/* The fields below are not part of the initial descriptor. */
196 	uWord		idVendor;
197 	uWord		idProduct;
198 	uWord		bcdDevice;
199 	uByte		iManufacturer;
200 	uByte		iProduct;
201 	uByte		iSerialNumber;
202 	uByte		bNumConfigurations;
203 } UPACKED usb_device_descriptor_t;
204 #define USB_DEVICE_DESCRIPTOR_SIZE 18
205 
206 typedef struct {
207 	uByte		bLength;
208 	uByte		bDescriptorType;
209 	uWord		wTotalLength;
210 	uByte		bNumInterface;
211 	uByte		bConfigurationValue;
212 	uByte		iConfiguration;
213 	uByte		bmAttributes;
214 #define UC_BUS_POWERED		0x80
215 #define UC_SELF_POWERED		0x40
216 #define UC_REMOTE_WAKEUP	0x20
217 	uByte		bMaxPower; /* max current in 2 mA units */
218 #define UC_POWER_FACTOR 2
219 } UPACKED usb_config_descriptor_t;
220 #define USB_CONFIG_DESCRIPTOR_SIZE 9
221 
222 typedef struct {
223 	uByte		bLength;
224 	uByte		bDescriptorType;
225 	uByte		bInterfaceNumber;
226 	uByte		bAlternateSetting;
227 	uByte		bNumEndpoints;
228 	uByte		bInterfaceClass;
229 	uByte		bInterfaceSubClass;
230 	uByte		bInterfaceProtocol;
231 	uByte		iInterface;
232 } UPACKED usb_interface_descriptor_t;
233 #define USB_INTERFACE_DESCRIPTOR_SIZE 9
234 
235 typedef struct {
236 	uByte		bLength;
237 	uByte		bDescriptorType;
238 	uByte		bEndpointAddress;
239 #define UE_GET_DIR(a)	((a) & 0x80)
240 #define UE_SET_DIR(a,d)	((a) | (((d)&1) << 7))
241 #define UE_DIR_IN	0x80
242 #define UE_DIR_OUT	0x00
243 #define UE_ADDR		0x0f
244 #define UE_GET_ADDR(a)	((a) & UE_ADDR)
245 	uByte		bmAttributes;
246 #define UE_XFERTYPE	0x03
247 #define  UE_CONTROL	0x00
248 #define  UE_ISOCHRONOUS	0x01
249 #define  UE_BULK	0x02
250 #define  UE_INTERRUPT	0x03
251 #define UE_GET_XFERTYPE(a)	((a) & UE_XFERTYPE)
252 #define UE_ISO_TYPE	0x0c
253 #define  UE_ISO_ASYNC	0x04
254 #define  UE_ISO_ADAPT	0x08
255 #define  UE_ISO_SYNC	0x0c
256 #define UE_GET_ISO_TYPE(a)	((a) & UE_ISO_TYPE)
257 	uWord		wMaxPacketSize;
258 	uByte		bInterval;
259 } UPACKED usb_endpoint_descriptor_t;
260 #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
261 
262 typedef struct {
263 	uByte		bLength;
264 	uByte		bDescriptorType;
265 	uWord		bString[127];
266 } UPACKED usb_string_descriptor_t;
267 #define USB_MAX_STRING_LEN 128
268 #define USB_LANGUAGE_TABLE 0	/* # of the string language id table */
269 
270 /* Hub specific request */
271 #define UR_GET_BUS_STATE	0x02
272 
273 /* Hub features */
274 #define UHF_C_HUB_LOCAL_POWER	0
275 #define UHF_C_HUB_OVER_CURRENT	1
276 #define UHF_PORT_CONNECTION	0
277 #define UHF_PORT_ENABLE		1
278 #define UHF_PORT_SUSPEND	2
279 #define UHF_PORT_OVER_CURRENT	3
280 #define UHF_PORT_RESET		4
281 #define UHF_PORT_POWER		8
282 #define UHF_PORT_LOW_SPEED	9
283 #define UHF_C_PORT_CONNECTION	16
284 #define UHF_C_PORT_ENABLE	17
285 #define UHF_C_PORT_SUSPEND	18
286 #define UHF_C_PORT_OVER_CURRENT	19
287 #define UHF_C_PORT_RESET	20
288 
289 typedef struct {
290 	uByte		bDescLength;
291 	uByte		bDescriptorType;
292 	uByte		bNbrPorts;
293 	uWord		wHubCharacteristics;
294 #define UHD_PWR			0x03
295 #define UHD_PWR_GANGED		0x00
296 #define UHD_PWR_INDIVIDUAL	0x01
297 #define UHD_PWR_NO_SWITCH	0x02
298 #define UHD_COMPOUND		0x04
299 #define UHD_OC			0x18
300 #define UHD_OC_GLOBAL		0x00
301 #define UHD_OC_INDIVIDUAL	0x08
302 #define UHD_OC_NONE		0x10
303 	uByte		bPwrOn2PwrGood;	/* delay in 2 ms units */
304 #define UHD_PWRON_FACTOR 2
305 	uByte		bHubContrCurrent;
306 	uByte		DeviceRemovable[32]; /* max 255 ports */
307 #define UHD_NOT_REMOV(desc, i) \
308     (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
309 	/* deprecated */ uByte		PortPowerCtrlMask[1];
310 } UPACKED usb_hub_descriptor_t;
311 #define USB_HUB_DESCRIPTOR_SIZE 9 /* includes deprecated PortPowerCtrlMask */
312 
313 typedef struct {
314 	uWord		wStatus;
315 /* Device status flags */
316 #define UDS_SELF_POWERED		0x0001
317 #define UDS_REMOTE_WAKEUP		0x0002
318 /* Endpoint status flags */
319 #define UES_HALT			0x0001
320 } UPACKED usb_status_t;
321 
322 typedef struct {
323 	uWord		wHubStatus;
324 #define UHS_LOCAL_POWER			0x0001
325 #define UHS_OVER_CURRENT		0x0002
326 	uWord		wHubChange;
327 } UPACKED usb_hub_status_t;
328 
329 typedef struct {
330 	uWord		wPortStatus;
331 #define UPS_CURRENT_CONNECT_STATUS	0x0001
332 #define UPS_PORT_ENABLED		0x0002
333 #define UPS_SUSPEND			0x0004
334 #define UPS_OVERCURRENT_INDICATOR	0x0008
335 #define UPS_RESET			0x0010
336 #define UPS_PORT_POWER			0x0100
337 #define UPS_LOW_SPEED			0x0200
338 	uWord		wPortChange;
339 #define UPS_C_CONNECT_STATUS		0x0001
340 #define UPS_C_PORT_ENABLED		0x0002
341 #define UPS_C_SUSPEND			0x0004
342 #define UPS_C_OVERCURRENT_INDICATOR	0x0008
343 #define UPS_C_PORT_RESET		0x0010
344 } UPACKED usb_port_status_t;
345 
346 /* Device class codes */
347 #define UDCLASS_AUDIO		0x00
348 #define UDCLASS_COMM		0x02
349 #define UDCLASS_HID		0x00
350 #define UDCLASS_HUB		0x09
351 #define  UDSUBCLASS_HUB		0
352 #define UDCLASS_MASS		0x00
353 
354 /* Interface class codes */
355 #define UICLASS_UNSPEC		0x00
356 
357 #define UICLASS_AUDIO		0x01
358 #define  UISUBCLASS_AUDIOCONTROL	1
359 #define  UISUBCLASS_AUDIOSTREAM		2
360 #define  UISUBCLASS_MIDISTREAM		3
361 
362 #define UICLASS_CDC		0x02 /* communication */
363 #define	 UISUBCLASS_DIRECT_LINE_CONTROL_MODEL	1
364 #define  UISUBCLASS_ABSTRACT_CONTROL_MODEL	2
365 #define	 UISUBCLASS_TELEPHONE_CONTROL_MODEL	3
366 #define	 UISUBCLASS_MULTICHANNEL_CONTROL_MODEL	4
367 #define	 UISUBCLASS_CAPI_CONTROLMODEL		5
368 #define	 UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
369 #define	 UISUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7
370 #define   UIPROTO_CDC_AT			1
371 
372 #define UICLASS_HID		0x03
373 #define  UISUBCLASS_BOOT	1
374 #define  UIPROTO_BOOT_KEYBOARD	1
375 
376 #define UICLASS_PHYSICAL	0x05
377 
378 #define UICLASS_PRINTER		0x07
379 #define  UISUBCLASS_PRINTER	1
380 #define  UIPROTO_PRINTER_UNI	1
381 #define  UIPROTO_PRINTER_BI	2
382 
383 #define UICLASS_MASS		0x08
384 #define  UISUBCLASS_RBC		1
385 #define  UISUBCLASS_SFF8020I	2
386 #define  UISUBCLASS_QIC157	3
387 #define  UISUBCLASS_UFI		4
388 #define  UISUBCLASS_SFF8070I	5
389 #define  UISUBCLASS_SCSI	6
390 #define  UIPROTO_MASS_CBI_I	0
391 #define  UIPROTO_MASS_CBI	1
392 #define  UIPROTO_MASS_BBB	2
393 #define  UIPROTO_MASS_BBB_P	80	/* 'P' for the Iomega Zip drive */
394 
395 #define UICLASS_HUB		0x09
396 #define  UISUBCLASS_HUB		0
397 
398 #define UICLASS_CDC_DATA	0x0a
399 #define  UISUBCLASS_DATA		0
400 #define   UIPROTO_DATA_ISDNBRI		0x30    /* Physical iface */
401 #define   UIPROTO_DATA_HDLC		0x31    /* HDLC */
402 #define   UIPROTO_DATA_TRANSPARENT	0x32    /* Transparent */
403 #define   UIPROTO_DATA_Q921M		0x50    /* Management for Q921 */
404 #define   UIPROTO_DATA_Q921		0x51    /* Data for Q921 */
405 #define   UIPROTO_DATA_Q921TM		0x52    /* TEI multiplexer for Q921 */
406 #define   UIPROTO_DATA_V42BIS		0x90    /* Data compression */
407 #define   UIPROTO_DATA_Q931		0x91    /* Euro-ISDN */
408 #define   UIPROTO_DATA_V120		0x92    /* V.24 rate adaption */
409 #define   UIPROTO_DATA_CAPI		0x93    /* CAPI 2.0 commands */
410 #define   UIPROTO_DATA_HOST_BASED	0xfd    /* Host based driver */
411 #define   UIPROTO_DATA_PUF		0xfe    /* see Prot. Unit Func. Desc.*/
412 #define   UIPROTO_DATA_VENDOR		0xff    /* Vendor specific */
413 
414 #define UICLASS_FIRM_UPD	0x0c
415 
416 #define UICLASS_APPL_SPEC	0xfe
417 #define UICLASS_VENDOR		0xff
418 
419 
420 #define USB_HUB_MAX_DEPTH 5
421 
422 /*
423  * Minimum time a device needs to be powered down to go through
424  * a power cycle.  XXX Are these time in the spec?
425  */
426 #define USB_POWER_DOWN_TIME	200 /* ms */
427 #define USB_PORT_POWER_DOWN_TIME	100 /* ms */
428 
429 #if 0
430 /* These are the values from the spec. */
431 #define USB_PORT_RESET_DELAY	10  /* ms */
432 #define USB_PORT_RESET_SETTLE	10  /* ms */
433 #define USB_PORT_POWERUP_DELAY	100 /* ms */
434 #define USB_SET_ADDRESS_SETTLE	2   /* ms */
435 #define USB_RESUME_DELAY	(20*5)  /* ms */
436 #define USB_RESUME_WAIT		10  /* ms */
437 #define USB_RESUME_RECOVERY	10  /* ms */
438 #define USB_EXTRA_POWER_UP_TIME	0   /* ms */
439 #else
440 /* Allow for marginal (i.e. non-conforming) devices. */
441 #define USB_PORT_RESET_DELAY	50  /* ms */
442 #define USB_PORT_RESET_RECOVERY	50  /* ms */
443 #define USB_PORT_POWERUP_DELAY	200 /* ms */
444 #define USB_SET_ADDRESS_SETTLE	10  /* ms */
445 #define USB_RESUME_DELAY	(50*5)  /* ms */
446 #define USB_RESUME_WAIT		50  /* ms */
447 #define USB_RESUME_RECOVERY	50  /* ms */
448 #define USB_EXTRA_POWER_UP_TIME	20  /* ms */
449 #endif
450 
451 #define USB_MIN_POWER		100 /* mA */
452 #define USB_MAX_POWER		500 /* mA */
453 
454 #define USB_BUS_RESET_DELAY	100 /* ms XXX?*/
455 
456 
457 #define USB_UNCONFIG_NO 0
458 #define USB_UNCONFIG_INDEX (-1)
459 
460 /*** ioctl() related stuff ***/
461 
462 struct usb_ctl_request {
463 	int	addr;
464 	usb_device_request_t request;
465 	void	*data;
466 	int	flags;
467 #define USBD_SHORT_XFER_OK	0x04	/* allow short reads */
468 	int	actlen;		/* actual length transferred */
469 };
470 
471 struct usb_alt_interface {
472 	int	config_index;
473 	int	interface_index;
474 	int	alt_no;
475 };
476 
477 #define USB_CURRENT_CONFIG_INDEX (-1)
478 #define USB_CURRENT_ALT_INDEX (-1)
479 
480 struct usb_config_desc {
481 	int	config_index;
482 	usb_config_descriptor_t desc;
483 };
484 
485 struct usb_interface_desc {
486 	int	config_index;
487 	int	interface_index;
488 	int	alt_index;
489 	usb_interface_descriptor_t desc;
490 };
491 
492 struct usb_endpoint_desc {
493 	int	config_index;
494 	int	interface_index;
495 	int	alt_index;
496 	int	endpoint_index;
497 	usb_endpoint_descriptor_t desc;
498 };
499 
500 struct usb_full_desc {
501 	int	config_index;
502 	u_int	size;
503 	u_char	*data;
504 };
505 
506 struct usb_string_desc {
507 	int	string_index;
508 	int	language_id;
509 	usb_string_descriptor_t desc;
510 };
511 
512 struct usb_ctl_report_desc {
513 	int	size;
514 	u_char	data[1024];	/* filled data size will vary */
515 };
516 
517 typedef struct { u_int32_t cookie; } usb_event_cookie_t;
518 
519 #define USB_MAX_DEVNAMES 4
520 #define USB_MAX_DEVNAMELEN 16
521 struct usb_device_info {
522 	u_int8_t	bus;
523 	u_int8_t	addr;	/* device address */
524 	usb_event_cookie_t cookie;
525 	char		product[USB_MAX_STRING_LEN];
526 	char		vendor[USB_MAX_STRING_LEN];
527 	char		release[8];
528 	u_int16_t	productNo;
529 	u_int16_t	vendorNo;
530 	u_int16_t	releaseNo;
531 	u_int8_t	class;
532 	u_int8_t	subclass;
533 	u_int8_t	protocol;
534 	u_int8_t	config;
535 	u_int8_t	lowspeed;
536 	int		power;	/* power consumption in mA, 0 if selfpowered */
537 	int		nports;
538 	char		devnames[USB_MAX_DEVNAMES][USB_MAX_DEVNAMELEN];
539 	u_int8_t	ports[16];/* hub only: addresses of devices on ports */
540 #define USB_PORT_ENABLED 0xff
541 #define USB_PORT_SUSPENDED 0xfe
542 #define USB_PORT_POWERED 0xfd
543 #define USB_PORT_DISABLED 0xfc
544 };
545 
546 struct usb_ctl_report {
547 	int	report;
548 	u_char	data[1024];	/* filled data size will vary */
549 };
550 
551 struct usb_device_stats {
552 	u_long	requests[4];	/* indexed by transfer type UE_* */
553 };
554 
555 /* Events that can be read from /dev/usb */
556 struct usb_event {
557 	int			ue_type;
558 #define USB_EVENT_CTRLR_ATTACH 1
559 #define USB_EVENT_CTRLR_DETACH 2
560 #define USB_EVENT_DEVICE_ATTACH 3
561 #define USB_EVENT_DEVICE_DETACH 4
562 #define USB_EVENT_DRIVER_ATTACH 5
563 #define USB_EVENT_DRIVER_DETACH 6
564 #define USB_EVENT_IS_ATTACH(n) ((n) == USB_EVENT_CTRLR_ATTACH || (n) == USB_EVENT_DEVICE_ATTACH || (n) == USB_EVENT_DRIVER_ATTACH)
565 	struct timespec		ue_time;
566 	union {
567 		struct {
568 			int			ue_bus;
569 		} ue_ctrlr;
570 		struct usb_device_info		ue_device;
571 		struct {
572 			usb_event_cookie_t	ue_cookie;
573 			char			ue_devname[16];
574 		} ue_driver;
575 	} u;
576 };
577 
578 /* USB controller */
579 #define USB_REQUEST		_IOWR('U', 1, struct usb_ctl_request)
580 #define USB_SETDEBUG		_IOW ('U', 2, int)
581 #define USB_DISCOVER		_IO  ('U', 3)
582 #define USB_DEVICEINFO		_IOWR('U', 4, struct usb_device_info)
583 #define USB_DEVICESTATS		_IOR ('U', 5, struct usb_device_stats)
584 
585 /* Generic HID device */
586 #define USB_GET_REPORT_DESC	_IOR ('U', 21, struct usb_ctl_report_desc)
587 #define USB_SET_IMMED		_IOW ('U', 22, int)
588 #define USB_GET_REPORT		_IOWR('U', 23, struct usb_ctl_report)
589 #define USB_SET_REPORT		_IOW ('U', 24, struct usb_ctl_report)
590 
591 /* Generic USB device */
592 #define USB_GET_CONFIG		_IOR ('U', 100, int)
593 #define USB_SET_CONFIG		_IOW ('U', 101, int)
594 #define USB_GET_ALTINTERFACE	_IOWR('U', 102, struct usb_alt_interface)
595 #define USB_SET_ALTINTERFACE	_IOWR('U', 103, struct usb_alt_interface)
596 #define USB_GET_NO_ALT		_IOWR('U', 104, struct usb_alt_interface)
597 #define USB_GET_DEVICE_DESC	_IOR ('U', 105, usb_device_descriptor_t)
598 #define USB_GET_CONFIG_DESC	_IOWR('U', 106, struct usb_config_desc)
599 #define USB_GET_INTERFACE_DESC	_IOWR('U', 107, struct usb_interface_desc)
600 #define USB_GET_ENDPOINT_DESC	_IOWR('U', 108, struct usb_endpoint_desc)
601 #define USB_GET_FULL_DESC	_IOWR('U', 109, struct usb_full_desc)
602 #define USB_GET_STRING_DESC	_IOWR('U', 110, struct usb_string_desc)
603 #define USB_DO_REQUEST		_IOWR('U', 111, struct usb_ctl_request)
604 #define USB_GET_DEVICEINFO	_IOR ('U', 112, struct usb_device_info)
605 #define USB_SET_SHORT_XFER	_IOW ('U', 113, int)
606 #define USB_SET_TIMEOUT		_IOW ('U', 114, int)
607 
608 /* Modem device */
609 #define USB_GET_CM_OVER_DATA	_IOR ('U', 130, int)
610 #define USB_SET_CM_OVER_DATA	_IOW ('U', 131, int)
611 
612 #endif /* _USB_H_ */
613