summaryrefslogtreecommitdiffstats
path: root/include/usbdescriptors.h
blob: de1069f0ea9a6dcd0622edbc955208c1c4d669c0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
/*
 * (C) Copyright 2003
 * Gerry Hamel, geh@ti.com, Texas Instruments
 *
 * Based on
 * linux/drivers/usbd/usb-function.h - USB Function
 *
 * Copyright (c) 2000, 2001, 2002 Lineo
 * Copyright (c) 2001 Hewlett Packard
 *
 * By:
 *	Stuart Lynne <sl@lineo.com>,
 *	Tom Rushworth <tbr@lineo.com>,
 *	Bruce Balden <balden@lineo.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* USB Descriptors - Create a complete description of all of the
 * function driver capabilities. These map directly to the USB descriptors.
 *
 * This heirarchy is created by the functions drivers and is passed to the
 * usb-device driver when the function driver is registered.
 *
 *  device
 *	configuration
 *	     interface
 *		alternate
 *		     class
 *		     class
 *		alternate
 *		     endpoint
 *		     endpoint
 *	     interface
 *		alternate
 *		     endpoint
 *		     endpoint
 *	configuration
 *	     interface
 *		alternate
 *		     endpoint
 *		     endpoint
 *
 *
 * The configuration structures refer to the USB Configurations that will be
 * made available to a USB HOST during the enumeration process.
 *
 * The USB HOST will select a configuration and optionally an interface with
 * the usb set configuration and set interface commands.
 *
 * The selected interface (or the default interface if not specifically
 * selected) will define the list of endpoints that will be used.
 *
 * The configuration and interfaces are stored in an array that is indexed
 * by the specified configuratin or interface number minus one.
 *
 * A configuration number of zero is used to specify a return to the unconfigured
 * state.
 *
 */


#ifndef __USBDESCRIPTORS_H__
#define __USBDESCRIPTORS_H__

#include <asm/types.h>

/*
 * communications class types
 *
 * c.f. CDC  USB Class Definitions for Communications Devices
 * c.f. WMCD USB CDC Subclass Specification for Wireless Mobile Communications Devices
 *
 */

#define CLASS_BCD_VERSION		0x0110

/* c.f. CDC 4.1 Table 14 */
#define COMMUNICATIONS_DEVICE_CLASS	0x02

/* c.f. CDC 4.2 Table 15 */
#define COMMUNICATIONS_INTERFACE_CLASS_CONTROL	0x02
#define COMMUNICATIONS_INTERFACE_CLASS_DATA		0x0A
#define COMMUNICATIONS_INTERFACE_CLASS_VENDOR	0x0FF

/* c.f. CDC 4.3 Table 16 */
#define COMMUNICATIONS_NO_SUBCLASS		0x00
#define COMMUNICATIONS_DLCM_SUBCLASS	0x01
#define COMMUNICATIONS_ACM_SUBCLASS		0x02
#define COMMUNICATIONS_TCM_SUBCLASS		0x03
#define COMMUNICATIONS_MCCM_SUBCLASS	0x04
#define COMMUNICATIONS_CCM_SUBCLASS		0x05
#define COMMUNICATIONS_ENCM_SUBCLASS	0x06
#define COMMUNICATIONS_ANCM_SUBCLASS	0x07

/* c.f. WMCD 5.1 */
#define COMMUNICATIONS_WHCM_SUBCLASS	0x08
#define COMMUNICATIONS_DMM_SUBCLASS		0x09
#define COMMUNICATIONS_MDLM_SUBCLASS	0x0a
#define COMMUNICATIONS_OBEX_SUBCLASS	0x0b

/* c.f. CDC 4.4 Table 17 */
#define COMMUNICATIONS_NO_PROTOCOL		0x00
#define COMMUNICATIONS_V25TER_PROTOCOL	0x01	/*Common AT Hayes compatible*/

/* c.f. CDC 4.5 Table 18 */
#define DATA_INTERFACE_CLASS		0x0a

/* c.f. CDC 4.6 No Table */
#define DATA_INTERFACE_SUBCLASS_NONE	0x00	/* No subclass pertinent */

/* c.f. CDC 4.7 Table 19 */
#define DATA_INTERFACE_PROTOCOL_NONE	0x00	/* No class protcol required */


/* c.f. CDC 5.2.3 Table 24 */
#define CS_INTERFACE		0x24
#define CS_ENDPOINT			0x25

/*
 * bDescriptorSubtypes
 *
 * c.f. CDC 5.2.3 Table 25
 * c.f. WMCD 5.3 Table 5.3
 */

#define USB_ST_HEADER		0x00
#define USB_ST_CMF			0x01
#define USB_ST_ACMF			0x02
#define USB_ST_DLMF			0x03
#define USB_ST_TRF			0x04
#define USB_ST_TCLF			0x05
#define USB_ST_UF			0x06
#define USB_ST_CSF			0x07
#define USB_ST_TOMF			0x08
#define USB_ST_USBTF		0x09
#define USB_ST_NCT			0x0a
#define USB_ST_PUF			0x0b
#define USB_ST_EUF			0x0c
#define USB_ST_MCMF			0x0d
#define USB_ST_CCMF			0x0e
#define USB_ST_ENF			0x0f
#define USB_ST_ATMNF		0x10

#define USB_ST_WHCM			0x11
#define USB_ST_MDLM			0x12
#define USB_ST_MDLMD		0x13
#define USB_ST_DMM			0x14
#define USB_ST_OBEX			0x15
#define USB_ST_CS			0x16
#define USB_ST_CSD			0x17
#define USB_ST_TCM			0x18

/* endpoint modifiers
 * static struct usb_endpoint_description function_default_A_1[] = {
 *
 *     {this_endpoint: 0, attributes: CONTROL,	 max_size: 8,  polling_interval: 0 },
 *     {this_endpoint: 1, attributes: BULK,	 max_size: 64, polling_interval: 0, direction: IN},
 *     {this_endpoint: 2, attributes: BULK,	 max_size: 64, polling_interval: 0, direction: OUT},
 *     {this_endpoint: 3, attributes: INTERRUPT, max_size: 8,  polling_interval: 0},
 *
 *
 */
#define OUT		0x00
#define IN		0x80

#define CONTROL		0x00
#define ISOCHRONOUS	0x01
#define BULK		0x02
#define INTERRUPT	0x03


/* configuration modifiers
 */
#define BMATTRIBUTE_RESERVED		0x80
#define BMATTRIBUTE_SELF_POWERED	0x40

/*
 * standard usb descriptor structures
 */

struct usb_endpoint_descriptor {
	u8 bLength;
	u8 bDescriptorType;	/* 0x5 */
	u8 bEndpointAddress;
	u8 bmAttributes;
	u16 wMaxPacketSize;
	u8 bInterval;
} __attribute__ ((packed));

struct usb_interface_descriptor {
	u8 bLength;
	u8 bDescriptorType;	/* 0x04 */
	u8 bInterfaceNumber;
	u8 bAlternateSetting;
	u8 bNumEndpoints;
	u8 bInterfaceClass;
	u8 bInterfaceSubClass;
	u8 bInterfaceProtocol;
	u8 iInterface;
} __attribute__ ((packed));

struct usb_configuration_descriptor {
	u8 bLength;
	u8 bDescriptorType;	/* 0x2 */
	u16 wTotalLength;
	u8 bNumInterfaces;
	u8 bConfigurationValue;
	u8 iConfiguration;
	u8 bmAttributes;
	u8 bMaxPower;
} __attribute__ ((packed));

struct usb_device_descriptor {
	u8 bLength;
	u8 bDescriptorType;	/* 0x01 */
	u16 bcdUSB;
	u8 bDeviceClass;
	u8 bDeviceSubClass;
	u8 bDeviceProtocol;
	u8 bMaxPacketSize0;
	u16 idVendor;
	u16 idProduct;
	u16 bcdDevice;
	u8 iManufacturer;
	u8 iProduct;
	u8 iSerialNumber;
	u8 bNumConfigurations;
} __attribute__ ((packed));

#if defined(CONFIG_USBD_HS)
struct usb_qualifier_descriptor {
	u8 bLength;
	u8 bDescriptorType;

	u16 bcdUSB;
	u8 bDeviceClass;
	u8 bDeviceSubClass;
	u8 bDeviceProtocol;
	u8 bMaxPacketSize0;
	u8 bNumConfigurations;
	u8 breserved;
} __attribute__ ((packed));
#endif

struct usb_string_descriptor {
	u8 bLength;
	u8 bDescriptorType;	/* 0x03 */
	u16 wData[0];
} __attribute__ ((packed));

struct usb_generic_descriptor {
	u8 bLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;
} __attribute__ ((packed));


/*
 * communications class descriptor structures
 *
 * c.f. CDC 5.2 Table 25c
 */

struct usb_class_function_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;
} __attribute__ ((packed));

struct usb_class_function_descriptor_generic {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;
	u8 bmCapabilities;
} __attribute__ ((packed));

struct usb_class_header_function_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x00 */
	u16 bcdCDC;
} __attribute__ ((packed));

struct usb_class_call_management_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x01 */
	u8 bmCapabilities;
	u8 bDataInterface;
} __attribute__ ((packed));

struct usb_class_abstract_control_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x02 */
	u8 bmCapabilities;
} __attribute__ ((packed));

struct usb_class_direct_line_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x03 */
} __attribute__ ((packed));

struct usb_class_telephone_ringer_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x04 */
	u8 bRingerVolSeps;
	u8 bNumRingerPatterns;
} __attribute__ ((packed));

struct usb_class_telephone_call_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x05 */
	u8 bmCapabilities;
} __attribute__ ((packed));

struct usb_class_union_function_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x06 */
	u8 bMasterInterface;
	/* u8 bSlaveInterface0[0]; */
	u8 bSlaveInterface0;
} __attribute__ ((packed));

struct usb_class_country_selection_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x07 */
	u8 iCountryCodeRelDate;
	u16 wCountryCode0[0];
} __attribute__ ((packed));


struct usb_class_telephone_operational_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x08 */
	u8 bmCapabilities;
} __attribute__ ((packed));


struct usb_class_usb_terminal_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x09 */
	u8 bEntityId;
	u8 bInterfaceNo;
	u8 bOutInterfaceNo;
	u8 bmOptions;
	u8 bChild0[0];
} __attribute__ ((packed));

struct usb_class_network_channel_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x0a */
	u8 bEntityId;
	u8 iName;
	u8 bChannelIndex;
	u8 bPhysicalInterface;
} __attribute__ ((packed));

struct usb_class_protocol_unit_function_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x0b */
	u8 bEntityId;
	u8 bProtocol;
	u8 bChild0[0];
} __attribute__ ((packed));

struct usb_class_extension_unit_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x0c */
	u8 bEntityId;
	u8 bExtensionCode;
	u8 iName;
	u8 bChild0[0];
} __attribute__ ((packed));

struct usb_class_multi_channel_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x0d */
	u8 bmCapabilities;
} __attribute__ ((packed));

struct usb_class_capi_control_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x0e */
	u8 bmCapabilities;
} __attribute__ ((packed));

struct usb_class_ethernet_networking_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x0f */
	u8 iMACAddress;
	u32 bmEthernetStatistics;
	u16 wMaxSegmentSize;
	u16 wNumberMCFilters;
	u8 bNumberPowerFilters;
} __attribute__ ((packed));

struct usb_class_atm_networking_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x10 */
	u8 iEndSystermIdentifier;
	u8 bmDataCapabilities;
	u8 bmATMDeviceStatistics;
	u16 wType2MaxSegmentSize;
	u16 wType3MaxSegmentSize;
	u16 wMaxVC;
} __attribute__ ((packed));


struct usb_class_mdlm_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x12 */
	u16 bcdVersion;
	u8 bGUID[16];
} __attribute__ ((packed));

struct usb_class_mdlmd_descriptor {
	u8 bFunctionLength;
	u8 bDescriptorType;
	u8 bDescriptorSubtype;	/* 0x13 */
	u8 bGuidDescriptorType;
	u8 bDetailData[0];

} __attribute__ ((packed));

/*
 * HID class descriptor structures
 *
 * c.f. HID 6.2.1
 */

struct usb_class_hid_descriptor {
    u8	      bLength;
    u8	      bDescriptorType;
    u16	      bcdCDC;
    u8	      bCountryCode;
    u8	      bNumDescriptors;	/* 0x01 */
    u8	      bDescriptorType0;
    u16	      wDescriptorLength0;
    /* optional descriptors are not supported. */
} __attribute__((packed));

struct usb_class_report_descriptor {
    u8	      bLength;	/* dummy */
    u8	      bDescriptorType;
    u16	      wLength;
    u8		bData[0];
} __attribute__((packed));

/*
 * descriptor union structures
 */

struct usb_descriptor {
	union {
		struct usb_generic_descriptor generic;
		struct usb_endpoint_descriptor endpoint;
		struct usb_interface_descriptor interface;
		struct usb_configuration_descriptor configuration;
		struct usb_device_descriptor device;
		struct usb_string_descriptor string;
	} descriptor;

} __attribute__ ((packed));

struct usb_class_descriptor {
	union {
		struct usb_class_function_descriptor function;
		struct usb_class_function_descriptor_generic generic;
		struct usb_class_header_function_descriptor header_function;
		struct usb_class_call_management_descriptor call_management;
		struct usb_class_abstract_control_descriptor abstract_control;
		struct usb_class_direct_line_descriptor direct_line;
		struct usb_class_telephone_ringer_descriptor telephone_ringer;
		struct usb_class_telephone_operational_descriptor telephone_operational;
		struct usb_class_telephone_call_descriptor telephone_call;
		struct usb_class_union_function_descriptor union_function;
		struct usb_class_country_selection_descriptor country_selection;
		struct usb_class_usb_terminal_descriptor usb_terminal;
		struct usb_class_network_channel_descriptor network_channel;
		struct usb_class_extension_unit_descriptor extension_unit;
		struct usb_class_multi_channel_descriptor multi_channel;
		struct usb_class_capi_control_descriptor capi_control;
		struct usb_class_ethernet_networking_descriptor ethernet_networking;
		struct usb_class_atm_networking_descriptor atm_networking;
		struct usb_class_mdlm_descriptor mobile_direct;
		struct usb_class_mdlmd_descriptor mobile_direct_detail;
		struct usb_class_hid_descriptor hid;
	} descriptor;

} __attribute__ ((packed));

#ifdef DEBUG
static inline void print_device_descriptor(struct usb_device_descriptor *d)
{
	serial_printf("usb device descriptor \n");
	serial_printf("\tbLength %2.2x\n", d->bLength);
	serial_printf("\tbDescriptorType %2.2x\n", d->bDescriptorType);
	serial_printf("\tbcdUSB %4.4x\n", d->bcdUSB);
	serial_printf("\tbDeviceClass %2.2x\n", d->bDeviceClass);
	serial_printf("\tbDeviceSubClass %2.2x\n", d->bDeviceSubClass);
	serial_printf("\tbDeviceProtocol %2.2x\n", d->bDeviceProtocol);
	serial_printf("\tbMaxPacketSize0 %2.2x\n", d->bMaxPacketSize0);
	serial_printf("\tidVendor %4.4x\n", d->idVendor);
	serial_printf("\tidProduct %4.4x\n", d->idProduct);
	serial_printf("\tbcdDevice %4.4x\n", d->bcdDevice);
	serial_printf("\tiManufacturer %2.2x\n", d->iManufacturer);
	serial_printf("\tiProduct %2.2x\n", d->iProduct);
	serial_printf("\tiSerialNumber %2.2x\n", d->iSerialNumber);
	serial_printf("\tbNumConfigurations %2.2x\n", d->bNumConfigurations);
}

#else

/* stubs */
#define print_device_descriptor(d)

#endif /* DEBUG */
#endif
OpenPOWER on IntegriCloud