xref: /netbsd-src/sys/dev/usb/usb.h (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: usb.h,v 1.52 2001/07/23 15:17:50 nathanw Exp $	*/
2 /*	$FreeBSD: src/sys/dev/usb/usb.h,v 1.14 1999/11/17 22:33:46 n_hibma Exp $	*/
3 
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson (lennart@augustsson.net) at
10  * Carlstedt Research & Technology.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *        This product includes software developed by the NetBSD
23  *        Foundation, Inc. and its contributors.
24  * 4. Neither the name of The NetBSD Foundation nor the names of its
25  *    contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  */
40 
41 
42 #ifndef _USB_H_
43 #define _USB_H_
44 
45 #include <sys/types.h>
46 #include <sys/time.h>
47 
48 #if defined(__NetBSD__) || defined(__OpenBSD__)
49 #include <sys/ioctl.h>
50 
51 #if defined(_KERNEL)
52 #include <dev/usb/usb_port.h>
53 #endif /* _KERNEL */
54 
55 #elif defined(__FreeBSD__)
56 #if defined(KERNEL)
57 #include <sys/malloc.h>
58 
59 MALLOC_DECLARE(M_USB);
60 MALLOC_DECLARE(M_USBDEV);
61 MALLOC_DECLARE(M_USBHC);
62 
63 #include <dev/usb/usb_port.h>
64 #endif /* KERNEL */
65 #endif /* __FreeBSD__ */
66 
67 
68 #define USB_MAX_DEVICES 128
69 #define USB_START_ADDR 0
70 
71 #define USB_CONTROL_ENDPOINT 0
72 #define USB_MAX_ENDPOINTS 16
73 
74 #define USB_FRAMES_PER_SECOND 1000
75 
76 /*
77  * The USB records contain some unaligned little-endian word
78  * components.  The U[SG]ETW macros take care of both the alignment
79  * and endian problem and should always be used to access non-byte
80  * values.
81  */
82 typedef u_int8_t uByte;
83 typedef u_int8_t uWord[2];
84 typedef u_int8_t uDWord[4];
85 
86 #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
87 
88 #if 1
89 #define UGETW(w) ((w)[0] | ((w)[1] << 8))
90 #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
91 #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
92 #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
93 		     (w)[1] = (u_int8_t)((v) >> 8), \
94 		     (w)[2] = (u_int8_t)((v) >> 16), \
95 		     (w)[3] = (u_int8_t)((v) >> 24))
96 #else
97 /*
98  * On little-endian machines that can handle unanliged accesses
99  * (e.g. i386) these macros can be replaced by the following.
100  */
101 #define UGETW(w) (*(u_int16_t *)(w))
102 #define USETW(w,v) (*(u_int16_t *)(w) = (v))
103 #define UGETDW(w) (*(u_int32_t *)(w))
104 #define USETDW(w,v) (*(u_int32_t *)(w) = (v))
105 #endif
106 
107 #define UPACKED __attribute__((__packed__))
108 
109 typedef struct {
110 	uByte		bmRequestType;
111 	uByte		bRequest;
112 	uWord		wValue;
113 	uWord		wIndex;
114 	uWord		wLength;
115 } UPACKED usb_device_request_t;
116 
117 #define UT_WRITE		0x00
118 #define UT_READ			0x80
119 #define UT_STANDARD		0x00
120 #define UT_CLASS		0x20
121 #define UT_VENDOR		0x40
122 #define UT_DEVICE		0x00
123 #define UT_INTERFACE		0x01
124 #define UT_ENDPOINT		0x02
125 #define UT_OTHER		0x03
126 
127 #define UT_READ_DEVICE		(UT_READ  | UT_STANDARD | UT_DEVICE)
128 #define UT_READ_INTERFACE	(UT_READ  | UT_STANDARD | UT_INTERFACE)
129 #define UT_READ_ENDPOINT	(UT_READ  | UT_STANDARD | UT_ENDPOINT)
130 #define UT_WRITE_DEVICE		(UT_WRITE | UT_STANDARD | UT_DEVICE)
131 #define UT_WRITE_INTERFACE	(UT_WRITE | UT_STANDARD | UT_INTERFACE)
132 #define UT_WRITE_ENDPOINT	(UT_WRITE | UT_STANDARD | UT_ENDPOINT)
133 #define UT_READ_CLASS_DEVICE	(UT_READ  | UT_CLASS | UT_DEVICE)
134 #define UT_READ_CLASS_INTERFACE	(UT_READ  | UT_CLASS | UT_INTERFACE)
135 #define UT_READ_CLASS_OTHER	(UT_READ  | UT_CLASS | UT_OTHER)
136 #define UT_READ_CLASS_ENDPOINT	(UT_READ  | UT_CLASS | UT_ENDPOINT)
137 #define UT_WRITE_CLASS_DEVICE	(UT_WRITE | UT_CLASS | UT_DEVICE)
138 #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
139 #define UT_WRITE_CLASS_OTHER	(UT_WRITE | UT_CLASS | UT_OTHER)
140 #define UT_WRITE_CLASS_ENDPOINT	(UT_WRITE | UT_CLASS | UT_ENDPOINT)
141 #define UT_READ_VENDOR_DEVICE	(UT_READ  | UT_VENDOR | UT_DEVICE)
142 #define UT_READ_VENDOR_INTERFACE (UT_READ  | UT_VENDOR | UT_INTERFACE)
143 #define UT_READ_VENDOR_OTHER	(UT_READ  | UT_VENDOR | UT_OTHER)
144 #define UT_READ_VENDOR_ENDPOINT	(UT_READ  | UT_VENDOR | UT_ENDPOINT)
145 #define UT_WRITE_VENDOR_DEVICE	(UT_WRITE | UT_VENDOR | UT_DEVICE)
146 #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
147 #define UT_WRITE_VENDOR_OTHER	(UT_WRITE | UT_VENDOR | UT_OTHER)
148 #define UT_WRITE_VENDOR_ENDPOINT (UT_WRITE | UT_VENDOR | UT_ENDPOINT)
149 
150 /* Requests */
151 #define UR_GET_STATUS		0x00
152 #define UR_CLEAR_FEATURE	0x01
153 #define UR_SET_FEATURE		0x03
154 #define UR_SET_ADDRESS		0x05
155 #define UR_GET_DESCRIPTOR	0x06
156 #define  UDESC_DEVICE		0x01
157 #define  UDESC_CONFIG		0x02
158 #define  UDESC_STRING		0x03
159 #define  UDESC_INTERFACE	0x04
160 #define  UDESC_ENDPOINT		0x05
161 #define  UDESC_CS_DEVICE	0x21	/* class specific */
162 #define  UDESC_CS_CONFIG	0x22
163 #define  UDESC_CS_STRING	0x23
164 #define  UDESC_CS_INTERFACE	0x24
165 #define  UDESC_CS_ENDPOINT	0x25
166 #define  UDESC_HUB		0x29
167 #define UR_SET_DESCRIPTOR	0x07
168 #define UR_GET_CONFIG		0x08
169 #define UR_SET_CONFIG		0x09
170 #define UR_GET_INTERFACE	0x0a
171 #define UR_SET_INTERFACE	0x0b
172 #define UR_SYNCH_FRAME		0x0c
173 
174 /* Feature numbers */
175 #define UF_ENDPOINT_HALT	0
176 #define UF_DEVICE_REMOTE_WAKEUP	1
177 
178 #define USB_MAX_IPACKET		8 /* maximum size of the initial packet */
179 
180 typedef struct {
181 	uByte		bLength;
182 	uByte		bDescriptorType;
183 	uByte		bDescriptorSubtype;
184 } UPACKED usb_descriptor_t;
185 
186 typedef struct {
187 	uByte		bLength;
188 	uByte		bDescriptorType;
189 	uWord		bcdUSB;
190 	uByte		bDeviceClass;
191 	uByte		bDeviceSubClass;
192 	uByte		bDeviceProtocol;
193 	uByte		bMaxPacketSize;
194 	/* The fields below are not part of the initial descriptor. */
195 	uWord		idVendor;
196 	uWord		idProduct;
197 	uWord		bcdDevice;
198 	uByte		iManufacturer;
199 	uByte		iProduct;
200 	uByte		iSerialNumber;
201 	uByte		bNumConfigurations;
202 } UPACKED usb_device_descriptor_t;
203 #define USB_DEVICE_DESCRIPTOR_SIZE 18
204 
205 typedef struct {
206 	uByte		bLength;
207 	uByte		bDescriptorType;
208 	uWord		wTotalLength;
209 	uByte		bNumInterface;
210 	uByte		bConfigurationValue;
211 	uByte		iConfiguration;
212 	uByte		bmAttributes;
213 #define UC_BUS_POWERED		0x80
214 #define UC_SELF_POWERED		0x40
215 #define UC_REMOTE_WAKEUP	0x20
216 	uByte		bMaxPower; /* max current in 2 mA units */
217 #define UC_POWER_FACTOR 2
218 } UPACKED usb_config_descriptor_t;
219 #define USB_CONFIG_DESCRIPTOR_SIZE 9
220 
221 typedef struct {
222 	uByte		bLength;
223 	uByte		bDescriptorType;
224 	uByte		bInterfaceNumber;
225 	uByte		bAlternateSetting;
226 	uByte		bNumEndpoints;
227 	uByte		bInterfaceClass;
228 	uByte		bInterfaceSubClass;
229 	uByte		bInterfaceProtocol;
230 	uByte		iInterface;
231 } UPACKED usb_interface_descriptor_t;
232 #define USB_INTERFACE_DESCRIPTOR_SIZE 9
233 
234 typedef struct {
235 	uByte		bLength;
236 	uByte		bDescriptorType;
237 	uByte		bEndpointAddress;
238 #define UE_GET_DIR(a)	((a) & 0x80)
239 #define UE_SET_DIR(a,d)	((a) | (((d)&1) << 7))
240 #define UE_DIR_IN	0x80
241 #define UE_DIR_OUT	0x00
242 #define UE_ADDR		0x0f
243 #define UE_GET_ADDR(a)	((a) & UE_ADDR)
244 	uByte		bmAttributes;
245 #define UE_XFERTYPE	0x03
246 #define  UE_CONTROL	0x00
247 #define  UE_ISOCHRONOUS	0x01
248 #define  UE_BULK	0x02
249 #define  UE_INTERRUPT	0x03
250 #define UE_GET_XFERTYPE(a)	((a) & UE_XFERTYPE)
251 #define UE_ISO_TYPE	0x0c
252 #define  UE_ISO_ASYNC	0x04
253 #define  UE_ISO_ADAPT	0x08
254 #define  UE_ISO_SYNC	0x0c
255 #define UE_GET_ISO_TYPE(a)	((a) & UE_ISO_TYPE)
256 	uWord		wMaxPacketSize;
257 	uByte		bInterval;
258 } UPACKED usb_endpoint_descriptor_t;
259 #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
260 
261 typedef struct {
262 	uByte		bLength;
263 	uByte		bDescriptorType;
264 	uWord		bString[127];
265 } UPACKED usb_string_descriptor_t;
266 #define USB_MAX_STRING_LEN 128
267 #define USB_LANGUAGE_TABLE 0	/* # of the string language id table */
268 
269 /* Hub specific request */
270 #define UR_GET_BUS_STATE	0x02
271 
272 /* Hub features */
273 #define UHF_C_HUB_LOCAL_POWER	0
274 #define UHF_C_HUB_OVER_CURRENT	1
275 #define UHF_PORT_CONNECTION	0
276 #define UHF_PORT_ENABLE		1
277 #define UHF_PORT_SUSPEND	2
278 #define UHF_PORT_OVER_CURRENT	3
279 #define UHF_PORT_RESET		4
280 #define UHF_PORT_POWER		8
281 #define UHF_PORT_LOW_SPEED	9
282 #define UHF_C_PORT_CONNECTION	16
283 #define UHF_C_PORT_ENABLE	17
284 #define UHF_C_PORT_SUSPEND	18
285 #define UHF_C_PORT_OVER_CURRENT	19
286 #define UHF_C_PORT_RESET	20
287 
288 typedef struct {
289 	uByte		bDescLength;
290 	uByte		bDescriptorType;
291 	uByte		bNbrPorts;
292 	uWord		wHubCharacteristics;
293 #define UHD_PWR			0x03
294 #define UHD_PWR_GANGED		0x00
295 #define UHD_PWR_INDIVIDUAL	0x01
296 #define UHD_PWR_NO_SWITCH	0x02
297 #define UHD_COMPOUND		0x04
298 #define UHD_OC			0x18
299 #define UHD_OC_GLOBAL		0x00
300 #define UHD_OC_INDIVIDUAL	0x08
301 #define UHD_OC_NONE		0x10
302 	uByte		bPwrOn2PwrGood;	/* delay in 2 ms units */
303 #define UHD_PWRON_FACTOR 2
304 	uByte		bHubContrCurrent;
305 	uByte		DeviceRemovable[32]; /* max 255 ports */
306 #define UHD_NOT_REMOV(desc, i) \
307     (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
308 	/* deprecated */ uByte		PortPowerCtrlMask[1];
309 } UPACKED usb_hub_descriptor_t;
310 #define USB_HUB_DESCRIPTOR_SIZE 9 /* includes deprecated PortPowerCtrlMask */
311 
312 typedef struct {
313 	uWord		wStatus;
314 /* Device status flags */
315 #define UDS_SELF_POWERED		0x0001
316 #define UDS_REMOTE_WAKEUP		0x0002
317 /* Endpoint status flags */
318 #define UES_HALT			0x0001
319 } UPACKED usb_status_t;
320 
321 typedef struct {
322 	uWord		wHubStatus;
323 #define UHS_LOCAL_POWER			0x0001
324 #define UHS_OVER_CURRENT		0x0002
325 	uWord		wHubChange;
326 } UPACKED usb_hub_status_t;
327 
328 typedef struct {
329 	uWord		wPortStatus;
330 #define UPS_CURRENT_CONNECT_STATUS	0x0001
331 #define UPS_PORT_ENABLED		0x0002
332 #define UPS_SUSPEND			0x0004
333 #define UPS_OVERCURRENT_INDICATOR	0x0008
334 #define UPS_RESET			0x0010
335 #define UPS_PORT_POWER			0x0100
336 #define UPS_LOW_SPEED			0x0200
337 	uWord		wPortChange;
338 #define UPS_C_CONNECT_STATUS		0x0001
339 #define UPS_C_PORT_ENABLED		0x0002
340 #define UPS_C_SUSPEND			0x0004
341 #define UPS_C_OVERCURRENT_INDICATOR	0x0008
342 #define UPS_C_PORT_RESET		0x0010
343 } UPACKED usb_port_status_t;
344 
345 /* Device class codes */
346 #define UDCLASS_AUDIO		0x00
347 #define UDCLASS_COMM		0x02
348 #define UDCLASS_HID		0x00
349 #define UDCLASS_HUB		0x09
350 #define  UDSUBCLASS_HUB		0
351 #define UDCLASS_MASS		0x00
352 
353 /* Interface class codes */
354 #define UICLASS_UNSPEC		0x00
355 
356 #define UICLASS_AUDIO		0x01
357 #define  UISUBCLASS_AUDIOCONTROL	1
358 #define  UISUBCLASS_AUDIOSTREAM		2
359 #define  UISUBCLASS_MIDISTREAM		3
360 
361 #define UICLASS_CDC		0x02 /* communication */
362 #define	 UISUBCLASS_DIRECT_LINE_CONTROL_MODEL	1
363 #define  UISUBCLASS_ABSTRACT_CONTROL_MODEL	2
364 #define	 UISUBCLASS_TELEPHONE_CONTROL_MODEL	3
365 #define	 UISUBCLASS_MULTICHANNEL_CONTROL_MODEL	4
366 #define	 UISUBCLASS_CAPI_CONTROLMODEL		5
367 #define	 UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
368 #define	 UISUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7
369 #define   UIPROTO_CDC_AT			1
370 
371 #define UICLASS_HID		0x03
372 #define  UISUBCLASS_BOOT	1
373 #define  UIPROTO_BOOT_KEYBOARD	1
374 
375 #define UICLASS_PHYSICAL	0x05
376 
377 #define UICLASS_PRINTER		0x07
378 #define  UISUBCLASS_PRINTER	1
379 #define  UIPROTO_PRINTER_UNI	1
380 #define  UIPROTO_PRINTER_BI	2
381 #define  UIPROTO_PRINTER_1284	3
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