xref: /freebsd/sys/dev/usb/usb.h (revision 4cf49a43559ed9fdad601bdcccd2c55963008675)
1 /*	$NetBSD: usb.h,v 1.33 1999/09/11 08:19:27 augustss Exp $	*/
2 /*	$FreeBSD$	*/
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 (augustss@carlstedt.se) 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 
47 #if defined(__NetBSD__) || defined(__OpenBSD__)
48 #include <sys/ioctl.h>
49 
50 #if defined(_KERNEL)
51 #include <dev/usb/usb_port.h>
52 #endif /* _KERNEL */
53 
54 #elif defined(__FreeBSD__)
55 #if defined(KERNEL)
56 #include <sys/malloc.h>
57 
58 MALLOC_DECLARE(M_USB);
59 MALLOC_DECLARE(M_USBDEV);
60 MALLOC_DECLARE(M_USBHC);
61 
62 #include <dev/usb/usb_port.h>
63 #endif /* KERNEL */
64 #endif /* __FreeBSD__ */
65 
66 
67 #define USB_MAX_DEVICES 128
68 #define USB_START_ADDR 0
69 
70 #define USB_CONTROL_ENDPOINT 0
71 #define USB_MAX_ENDPOINTS 16
72 
73 #define USB_FRAMES_PER_SECOND 1000
74 
75 /*
76  * The USB records contain some unaligned little-endian word
77  * components.  The U[SG]ETW macros take care of both the alignment
78  * and endian problem and should always be used to access 16 bit
79  * values.
80  */
81 typedef u_int8_t uByte;
82 typedef u_int8_t uWord[2];
83 #define UGETW(w) ((w)[0] | ((w)[1] << 8))
84 #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
85 #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
86 typedef u_int8_t uDWord[4];
87 #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
88 #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
89 		     (w)[1] = (u_int8_t)((v) >> 8), \
90 		     (w)[2] = (u_int8_t)((v) >> 16), \
91 		     (w)[3] = (u_int8_t)((v) >> 24))
92 /*
93  * On little-endian machines that can handle unanliged accesses
94  * (e.g. i386) these macros can be replaced by the following.
95  */
96 #if 0
97 #define UGETW(w) (*(u_int16_t *)(w))
98 #define USETW(w,v) (*(u_int16_t *)(w) = (v))
99 #endif
100 
101 typedef struct {
102 	uByte		bmRequestType;
103 	uByte		bRequest;
104 	uWord		wValue;
105 	uWord		wIndex;
106 	uWord		wLength;
107 } usb_device_request_t;
108 
109 #define UT_WRITE		0x00
110 #define UT_READ			0x80
111 #define UT_STANDARD		0x00
112 #define UT_CLASS		0x20
113 #define UT_VENDOR		0x40
114 #define UT_DEVICE		0x00
115 #define UT_INTERFACE		0x01
116 #define UT_ENDPOINT		0x02
117 #define UT_OTHER		0x03
118 
119 #define UT_READ_DEVICE		(UT_READ  | UT_STANDARD | UT_DEVICE)
120 #define UT_READ_INTERFACE	(UT_READ  | UT_STANDARD | UT_INTERFACE)
121 #define UT_READ_ENDPOINT	(UT_READ  | UT_STANDARD | UT_ENDPOINT)
122 #define UT_WRITE_DEVICE		(UT_WRITE | UT_STANDARD | UT_DEVICE)
123 #define UT_WRITE_INTERFACE	(UT_WRITE | UT_STANDARD | UT_INTERFACE)
124 #define UT_WRITE_ENDPOINT	(UT_WRITE | UT_STANDARD | UT_ENDPOINT)
125 #define UT_READ_CLASS_DEVICE	(UT_READ  | UT_CLASS | UT_DEVICE)
126 #define UT_READ_CLASS_INTERFACE	(UT_READ  | UT_CLASS | UT_INTERFACE)
127 #define UT_READ_CLASS_OTHER	(UT_READ  | UT_CLASS | UT_OTHER)
128 #define UT_READ_CLASS_ENDPOINT	(UT_READ  | UT_CLASS | UT_ENDPOINT)
129 #define UT_WRITE_CLASS_DEVICE	(UT_WRITE | UT_CLASS | UT_DEVICE)
130 #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
131 #define UT_WRITE_CLASS_OTHER	(UT_WRITE | UT_CLASS | UT_OTHER)
132 #define UT_WRITE_CLASS_ENDPOINT	(UT_WRITE | UT_CLASS | UT_ENDPOINT)
133 #define UT_READ_VENDOR_DEVICE	(UT_READ  | UT_VENDOR | UT_DEVICE)
134 #define UT_READ_VENDOR_INTERFACE (UT_READ  | UT_VENDOR | UT_INTERFACE)
135 #define UT_READ_VENDOR_OTHER	(UT_READ  | UT_VENDOR | UT_OTHER)
136 #define UT_READ_VENDOR_ENDPOINT	(UT_READ  | UT_VENDOR | UT_ENDPOINT)
137 #define UT_WRITE_VENDOR_DEVICE	(UT_WRITE | UT_VENDOR | UT_DEVICE)
138 #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
139 #define UT_WRITE_VENDOR_OTHER	(UT_WRITE | UT_VENDOR | UT_OTHER)
140 #define UT_WRITE_VENDOR_ENDPOINT (UT_WRITE | UT_VENDOR | UT_ENDPOINT)
141 
142 /* Requests */
143 #define UR_GET_STATUS		0x00
144 #define UR_CLEAR_FEATURE	0x01
145 #define UR_SET_FEATURE		0x03
146 #define UR_SET_ADDRESS		0x05
147 #define UR_GET_DESCRIPTOR	0x06
148 #define  UDESC_DEVICE		0x01
149 #define  UDESC_CONFIG		0x02
150 #define  UDESC_STRING		0x03
151 #define  UDESC_INTERFACE	0x04
152 #define  UDESC_ENDPOINT		0x05
153 #define  UDESC_CS_DEVICE	0x21	/* class specific */
154 #define  UDESC_CS_CONFIG	0x22
155 #define  UDESC_CS_STRING	0x23
156 #define  UDESC_CS_INTERFACE	0x24
157 #define  UDESC_CS_ENDPOINT	0x25
158 #define  UDESC_HUB		0x29
159 #define UR_SET_DESCRIPTOR	0x07
160 #define UR_GET_CONFIG		0x08
161 #define UR_SET_CONFIG		0x09
162 #define UR_GET_INTERFACE	0x0a
163 #define UR_SET_INTERFACE	0x0b
164 #define UR_SYNCH_FRAME		0x0c
165 
166 /* Feature numbers */
167 #define UF_ENDPOINT_HALT	0
168 #define UF_DEVICE_REMOTE_WAKEUP	1
169 
170 #define USB_MAX_IPACKET		8 /* maximum size of the initial packet */
171 
172 typedef struct {
173 	uByte		bLength;
174 	uByte		bDescriptorType;
175 	uByte		bDescriptorSubtype;
176 } usb_descriptor_t;
177 
178 typedef struct {
179 	uByte		bLength;
180 	uByte		bDescriptorType;
181 	uWord		bcdUSB;
182 	uByte		bDeviceClass;
183 	uByte		bDeviceSubClass;
184 	uByte		bDeviceProtocol;
185 	uByte		bMaxPacketSize;
186 	/* The fields below are not part of the initial descriptor. */
187 	uWord		idVendor;
188 	uWord		idProduct;
189 	uWord		bcdDevice;
190 	uByte		iManufacturer;
191 	uByte		iProduct;
192 	uByte		iSerialNumber;
193 	uByte		bNumConfigurations;
194 } usb_device_descriptor_t;
195 #define USB_DEVICE_DESCRIPTOR_SIZE 18
196 
197 typedef struct {
198 	uByte		bLength;
199 	uByte		bDescriptorType;
200 	uWord		wTotalLength;
201 	uByte		bNumInterface;
202 	uByte		bConfigurationValue;
203 	uByte		iConfiguration;
204 	uByte		bmAttributes;
205 #define UC_BUS_POWERED		0x80
206 #define UC_SELF_POWERED		0x40
207 #define UC_REMOTE_WAKEUP	0x20
208 	uByte		bMaxPower; /* max current in 2 mA units */
209 #define UC_POWER_FACTOR 2
210 } usb_config_descriptor_t;
211 #define USB_CONFIG_DESCRIPTOR_SIZE 9
212 
213 typedef struct {
214 	uByte		bLength;
215 	uByte		bDescriptorType;
216 	uByte		bInterfaceNumber;
217 	uByte		bAlternateSetting;
218 	uByte		bNumEndpoints;
219 	uByte		bInterfaceClass;
220 	uByte		bInterfaceSubClass;
221 	uByte		bInterfaceProtocol;
222 	uByte		iInterface;
223 } usb_interface_descriptor_t;
224 #define USB_INTERFACE_DESCRIPTOR_SIZE 9
225 
226 typedef struct {
227 	uByte		bLength;
228 	uByte		bDescriptorType;
229 	uByte		bEndpointAddress;
230 #define UE_GET_DIR(a)	((a) & 0x80)
231 #define UE_SET_DIR(a,d)	((a) | (((d)&1) << 7))
232 #define UE_DIR_IN	0x80
233 #define UE_DIR_OUT	0x00
234 #define UE_ADDR		0x0f
235 #define UE_GET_ADDR(a)	((a) & UE_ADDR)
236 	uByte		bmAttributes;
237 #define UE_XFERTYPE	0x03
238 #define  UE_CONTROL	0x00
239 #define  UE_ISOCHRONOUS	0x01
240 #define  UE_BULK	0x02
241 #define  UE_INTERRUPT	0x03
242 #define UE_GET_XFERTYPE(a)	((a) & UE_XFERTYPE)
243 #define UE_ISO_TYPE	0x0c
244 #define  UE_ISO_ASYNC	0x04
245 #define  UE_ISO_ADAPT	0x08
246 #define  UE_ISO_SYNC	0x0c
247 	uWord		wMaxPacketSize;
248 	uByte		bInterval;
249 } usb_endpoint_descriptor_t;
250 #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
251 
252 typedef struct {
253 	uByte		bLength;
254 	uByte		bDescriptorType;
255 	uWord		bString[127];
256 } usb_string_descriptor_t;
257 #define USB_MAX_STRING_LEN 128
258 #define USB_LANGUAGE_TABLE 0	/* # of the string language id table */
259 
260 /* Hub specific request */
261 #define UR_GET_BUS_STATE	0x02
262 
263 /* Hub features */
264 #define UHF_C_HUB_LOCAL_POWER	0
265 #define UHF_C_HUB_OVER_CURRENT	1
266 #define UHF_PORT_CONNECTION	0
267 #define UHF_PORT_ENABLE		1
268 #define UHF_PORT_SUSPEND	2
269 #define UHF_PORT_OVER_CURRENT	3
270 #define UHF_PORT_RESET		4
271 #define UHF_PORT_POWER		8
272 #define UHF_PORT_LOW_SPEED	9
273 #define UHF_C_PORT_CONNECTION	16
274 #define UHF_C_PORT_ENABLE	17
275 #define UHF_C_PORT_SUSPEND	18
276 #define UHF_C_PORT_OVER_CURRENT	19
277 #define UHF_C_PORT_RESET	20
278 
279 typedef struct {
280 	uByte		bDescLength;
281 	uByte		bDescriptorType;
282 	uByte		bNbrPorts;
283 	uWord		wHubCharacteristics;
284 #define UHD_PWR			0x03
285 #define UHD_PWR_GANGED		0x00
286 #define UHD_PWR_INDIVIDUAL	0x01
287 #define UHD_PWR_NO_SWITCH	0x02
288 #define UHD_COMPOUND		0x04
289 #define UHD_OC			0x18
290 #define UHD_OC_GLOBAL		0x00
291 #define UHD_OC_INDIVIDUAL	0x08
292 #define UHD_OC_NONE		0x10
293 	uByte		bPwrOn2PwrGood;	/* delay in 2 ms units */
294 #define UHD_PWRON_FACTOR 2
295 	uByte		bHubContrCurrent;
296 	uByte		DeviceRemovable[32]; /* max 255 ports */
297 #define UHD_NOT_REMOV(desc, i) \
298     (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
299 	/* deprecated uByte		PortPowerCtrlMask[]; */
300 } usb_hub_descriptor_t;
301 #define USB_HUB_DESCRIPTOR_SIZE 8
302 
303 typedef struct {
304 	uWord		wStatus;
305 /* Device status flags */
306 #define UDS_SELF_POWERED		0x0001
307 #define UDS_REMOTE_WAKEUP		0x0002
308 /* Endpoint status flags */
309 #define UES_HALT			0x0001
310 } usb_status_t;
311 
312 typedef struct {
313 	uWord		wHubStatus;
314 #define UHS_LOCAL_POWER			0x0001
315 #define UHS_OVER_CURRENT		0x0002
316 	uWord		wHubChange;
317 } usb_hub_status_t;
318 
319 typedef struct {
320 	uWord		wPortStatus;
321 #define UPS_CURRENT_CONNECT_STATUS	0x0001
322 #define UPS_PORT_ENABLED		0x0002
323 #define UPS_SUSPEND			0x0004
324 #define UPS_OVERCURRENT_INDICATOR	0x0008
325 #define UPS_RESET			0x0010
326 #define UPS_PORT_POWER			0x0100
327 #define UPS_LOW_SPEED			0x0200
328 	uWord		wPortChange;
329 #define UPS_C_CONNECT_STATUS		0x0001
330 #define UPS_C_PORT_ENABLED		0x0002
331 #define UPS_C_SUSPEND			0x0004
332 #define UPS_C_OVERCURRENT_INDICATOR	0x0008
333 #define UPS_C_PORT_RESET		0x0010
334 } usb_port_status_t;
335 
336 #define UCLASS_UNSPEC		0
337 #define UCLASS_AUDIO		1
338 #define  USUBCLASS_AUDIOCONTROL	1
339 #define  USUBCLASS_AUDIOSTREAM	2
340 #define  USUBCLASS_MIDISTREAM	3
341 #define UCLASS_CDC		2 /* communication */
342 #define  USUBCLASS_DIRECT_LINE_CONTROL_MODEL	1
343 #define  USUBCLASS_ABSTRACT_CONTROL_MODEL	2
344 #define  USUBCLASS_TELEPHONE_CONTROL_MODEL	3
345 #define  USUBCLASS_MULTICHANNEL_CONTROL_MODEL	4
346 #define  USUBCLASS_CAPI_CONTROLMODEL		5
347 #define  USUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
348 #define  USUBCLASS_ATM_NETWORKING_CONTROL_MODEL	7
349 #define   UPROTO_CDC_AT		1
350 #define UCLASS_HID		3
351 #define  USUBCLASS_BOOT	 	1
352 #define UCLASS_PRINTER		7
353 #define  USUBCLASS_PRINTER	1
354 #define  UPROTO_PRINTER_UNI	1
355 #define  UPROTO_PRINTER_BI	2
356 #define UCLASS_MASS		8
357 #define  USUBCLASS_RBC		1
358 #define  USUBCLASS_SFF8020I	2
359 #define  USUBCLASS_QIC157	3
360 #define  USUBCLASS_UFI		4
361 #define  USUBCLASS_SFF8070I	5
362 #define  USUBCLASS_SCSI		6
363 #define  UPROTO_MASS_CBI_I	0
364 #define  UPROTO_MASS_CBI	1
365 #define  UPROTO_MASS_BULK	2
366 #define  UPROTO_MASS_BULK_P	80	/* 'P' for the Iomega Zip drive */
367 #define UCLASS_HUB		9
368 #define  USUBCLASS_HUB		0
369 #define UCLASS_DATA		10
370 #define  USUBCLASS_DATA		0
371 #define   UPROTO_DATA_ISDNBRI		0x30    /* Physical iface */
372 #define   UPROTO_DATA_HDLC		0x31    /* HDLC */
373 #define   UPROTO_DATA_TRANSPARENT	0x32    /* Transparent */
374 #define   UPROTO_DATA_Q921M		0x50    /* Management for Q921 */
375 #define   UPROTO_DATA_Q921		0x51    /* Data for Q921 */
376 #define   UPROTO_DATA_Q921TM		0x52    /* TEI multiplexer for Q921 */
377 #define   UPROTO_DATA_V42BIS		0x90    /* Data compression */
378 #define   UPROTO_DATA_Q931		0x91    /* Euro-ISDN */
379 #define   UPROTO_DATA_V120		0x92    /* V.24 rate adaption */
380 #define   UPROTO_DATA_CAPI		0x93    /* CAPI 2.0 commands */
381 #define   UPROTO_DATA_HOST_BASED	0xfd    /* Host based driver */
382 #define   UPROTO_DATA_PUF		0xfe    /* see Prot. Unit Func. Desc. */
383 #define   UPROTO_DATA_VENDOR		0xff    /* Vendor specific */
384 
385 
386 #define USB_HUB_MAX_DEPTH 5
387 
388 /*
389  * Minimum time a device needs to be powered down to go through
390  * a power cycle.  XXX Are these time in the spec?
391  */
392 #define USB_POWER_DOWN_TIME	200 /* ms */
393 #define USB_PORT_POWER_DOWN_TIME	100 /* ms */
394 
395 #if 0
396 /* These are the values from the spec. */
397 #define USB_PORT_RESET_DELAY	10  /* ms */
398 #define USB_PORT_RESET_SETTLE	10  /* ms */
399 #define USB_PORT_POWERUP_DELAY	100 /* ms */
400 #define USB_SET_ADDRESS_SETTLE	2   /* ms */
401 #define USB_RESUME_TIME		(20*5)  /* ms */
402 #define USB_RESUME_WAIT		10  /* ms */
403 #define USB_RESUME_RECOVERY	10  /* ms */
404 #else
405 /* Allow for marginal (i.e. non-conforming) devices. */
406 #define USB_PORT_RESET_DELAY	50  /* ms */
407 #define USB_PORT_RESET_RECOVERY	50  /* ms */
408 #define USB_PORT_POWERUP_DELAY	200 /* ms */
409 #define USB_SET_ADDRESS_SETTLE	10  /* ms */
410 #define USB_RESUME_DELAY	(50*5)  /* ms */
411 #define USB_RESUME_WAIT		50  /* ms */
412 #define USB_RESUME_RECOVERY	50  /* ms */
413 #endif
414 
415 #define USB_MIN_POWER		100 /* mA */
416 #define USB_MAX_POWER		500 /* mA */
417 
418 #define USB_BUS_RESET_DELAY	100 /* ms XXX?*/
419 
420 /*** ioctl() related stuff ***/
421 
422 struct usb_ctl_request {
423 	int	addr;
424 	usb_device_request_t request;
425 	void	*data;
426 	int	flags;
427 #define USBD_SHORT_XFER_OK	0x04	/* allow short reads */
428 	int	actlen;		/* actual length transferred */
429 };
430 
431 struct usb_alt_interface {
432 	int	config_index;
433 	int	interface_index;
434 	int	alt_no;
435 };
436 
437 #define USB_CURRENT_CONFIG_INDEX (-1)
438 #define USB_CURRENT_ALT_INDEX (-1)
439 
440 struct usb_config_desc {
441 	int	config_index;
442 	usb_config_descriptor_t desc;
443 };
444 
445 struct usb_interface_desc {
446 	int	config_index;
447 	int	interface_index;
448 	int	alt_index;
449 	usb_interface_descriptor_t desc;
450 };
451 
452 struct usb_endpoint_desc {
453 	int	config_index;
454 	int	interface_index;
455 	int	alt_index;
456 	int	endpoint_index;
457 	usb_endpoint_descriptor_t desc;
458 };
459 
460 struct usb_full_desc {
461 	int	config_index;
462 	u_int	size;
463 	u_char	*data;
464 };
465 
466 struct usb_string_desc {
467 	int	string_index;
468 	int	language_id;
469 	usb_string_descriptor_t desc;
470 };
471 
472 struct usb_ctl_report_desc {
473 	int	size;
474 	u_char	data[1024];	/* filled data size will vary */
475 };
476 
477 struct usb_device_info {
478 	u_int8_t	addr;	/* device address */
479 	char		product[USB_MAX_STRING_LEN];
480 	char		vendor[USB_MAX_STRING_LEN];
481 	char		release[8];
482 	u_int16_t	productNo;
483 	u_int16_t	vendorNo;
484 	u_int8_t	class;
485 	u_int8_t	config;
486 	u_int8_t	lowspeed;
487 	int		power;	/* power consumption in mA, 0 if selfpowered */
488 	int		nports;
489 	u_int8_t	ports[16];/* hub only: addresses of devices on ports */
490 #define USB_PORT_ENABLED 0xff
491 #define USB_PORT_SUSPENDED 0xfe
492 #define USB_PORT_POWERED 0xfd
493 #define USB_PORT_DISABLED 0xfc
494 };
495 
496 struct usb_ctl_report {
497 	int report;
498 	u_char	data[1024];	/* filled data size will vary */
499 };
500 
501 struct usb_device_stats {
502 	u_long	requests[4];	/* indexed by transfer type UE_* */
503 };
504 
505 /* USB controller */
506 #define USB_REQUEST		_IOWR('U', 1, struct usb_ctl_request)
507 #define USB_SETDEBUG		_IOW ('U', 2, int)
508 #define USB_DISCOVER		_IO  ('U', 3)
509 #define USB_DEVICEINFO		_IOWR('U', 4, struct usb_device_info)
510 #define USB_DEVICESTATS		_IOR ('U', 5, struct usb_device_stats)
511 
512 /* Generic HID device */
513 #define USB_GET_REPORT_DESC	_IOR ('U', 21, struct usb_ctl_report_desc)
514 #define USB_SET_IMMED		_IOW ('U', 22, int)
515 #define USB_GET_REPORT		_IOWR('U', 23, struct usb_ctl_report)
516 
517 /* Generic USB device */
518 #define USB_GET_CONFIG		_IOR ('U', 100, int)
519 #define USB_SET_CONFIG		_IOW ('U', 101, int)
520 #define USB_GET_ALTINTERFACE	_IOWR('U', 102, struct usb_alt_interface)
521 #define USB_SET_ALTINTERFACE	_IOWR('U', 103, struct usb_alt_interface)
522 #define USB_GET_NO_ALT		_IOWR('U', 104, struct usb_alt_interface)
523 #define USB_GET_DEVICE_DESC	_IOR ('U', 105, usb_device_descriptor_t)
524 #define USB_GET_CONFIG_DESC	_IOWR('U', 106, struct usb_config_desc)
525 #define USB_GET_INTERFACE_DESC	_IOWR('U', 107, struct usb_interface_desc)
526 #define USB_GET_ENDPOINT_DESC	_IOWR('U', 108, struct usb_endpoint_desc)
527 #define USB_GET_FULL_DESC	_IOWR('U', 109, struct usb_full_desc)
528 #define USB_GET_STRING_DESC	_IOWR('U', 110, struct usb_string_desc)
529 #define USB_DO_REQUEST		_IOWR('U', 111, struct usb_ctl_request)
530 #define USB_GET_DEVICEINFO	_IOR ('U', 112, struct usb_device_info)
531 #define USB_SET_SHORT_XFER	_IOW ('U', 113, int)
532 #define USB_SET_TIMEOUT		_IOW ('U', 114, int)
533 
534 /* Modem device */
535 #define USB_GET_CM_OVER_DATA	_IOR ('U', 130, int)
536 #define USB_SET_CM_OVER_DATA	_IOW ('U', 131, int)
537 
538 #endif /* _USB_H_ */
539