include/usbdescriptors.h

   1 /*
   2  * (C) Copyright 2003
   3  * Gerry Hamel, geh@ti.com, Texas Instruments
   4  *
   5  * Based on
   6  * linux/drivers/usbd/usb-function.h - USB Function
   7  *
   8  * Copyright (c) 2000, 2001, 2002 Lineo
   9  * Copyright (c) 2001 Hewlett Packard
  10  *
  11  * By:
  12  *      Stuart Lynne <sl@lineo.com>,
  13  *      Tom Rushworth <tbr@lineo.com>,
  14  *      Bruce Balden <balden@lineo.com>
  15  *
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 2 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  * GNU General Public License for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program; if not, write to the Free Software
  28  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  29  *
  30  */
  31
  32 /* USB Descriptors - Create a complete description of all of the
  33  * function driver capabilities. These map directly to the USB descriptors.
  34  *
  35  * This heirarchy is created by the functions drivers and is passed to the
  36  * usb-device driver when the function driver is registered.
  37  *
  38  *  device
  39  *      configuration
  40  *           interface
  41  *              alternate
  42  *                   class
  43  *                   class
  44  *              alternate
  45  *                   endpoint
  46  *                   endpoint
  47  *           interface
  48  *              alternate
  49  *                   endpoint
  50  *                   endpoint
  51  *      configuration
  52  *           interface
  53  *              alternate
  54  *                   endpoint
  55  *                   endpoint
  56  *
  57  *
  58  * The configuration structures refer to the USB Configurations that will be
  59  * made available to a USB HOST during the enumeration process.
  60  *
  61  * The USB HOST will select a configuration and optionally an interface with
  62  * the usb set configuration and set interface commands.
  63  *
  64  * The selected interface (or the default interface if not specifically
  65  * selected) will define the list of endpoints that will be used.
  66  *
  67  * The configuration and interfaces are stored in an array that is indexed
  68  * by the specified configuratin or interface number minus one.
  69  *
  70  * A configuration number of zero is used to specify a return to the unconfigured
  71  * state.
  72  *
  73  */
  74
  75
  76 #ifndef __USBDESCRIPTORS_H__
  77 #define __USBDESCRIPTORS_H__
  78
  79 #include <asm/types.h>
  80
  81 /*
  82  * communications class types
  83  *
  84  * c.f. CDC  USB Class Definitions for Communications Devices
  85  * c.f. WMCD USB CDC Subclass Specification for Wireless Mobile Communications Devices
  86  *
  87  */
  88
  89 #define CLASS_BCD_VERSION               0x0110
  90
  91 /* c.f. CDC 4.1 Table 14 */
  92 #define COMMUNICATIONS_DEVICE_CLASS     0x02
  93
  94 /* c.f. CDC 4.2 Table 15 */
  95 #define COMMUNICATIONS_INTERFACE_CLASS_CONTROL  0x02
  96 #define COMMUNICATIONS_INTERFACE_CLASS_DATA             0x0A
  97 #define COMMUNICATIONS_INTERFACE_CLASS_VENDOR   0x0FF
  98
  99 /* c.f. CDC 4.3 Table 16 */
 100 #define COMMUNICATIONS_NO_SUBCLASS              0x00
 101 #define COMMUNICATIONS_DLCM_SUBCLASS    0x01
 102 #define COMMUNICATIONS_ACM_SUBCLASS             0x02
 103 #define COMMUNICATIONS_TCM_SUBCLASS             0x03
 104 #define COMMUNICATIONS_MCCM_SUBCLASS    0x04
 105 #define COMMUNICATIONS_CCM_SUBCLASS             0x05
 106 #define COMMUNICATIONS_ENCM_SUBCLASS    0x06
 107 #define COMMUNICATIONS_ANCM_SUBCLASS    0x07
 108
 109 /* c.f. WMCD 5.1 */
 110 #define COMMUNICATIONS_WHCM_SUBCLASS    0x08
 111 #define COMMUNICATIONS_DMM_SUBCLASS             0x09
 112 #define COMMUNICATIONS_MDLM_SUBCLASS    0x0a
 113 #define COMMUNICATIONS_OBEX_SUBCLASS    0x0b
 114
 115 /* c.f. CDC 4.4 Table 17 */
 116 #define COMMUNICATIONS_NO_PROTOCOL              0x00
 117 #define COMMUNICATIONS_V25TER_PROTOCOL  0x01    /*Common AT Hayes compatible*/
 118
 119 /* c.f. CDC 4.5 Table 18 */
 120 #define DATA_INTERFACE_CLASS            0x0a
 121
 122 /* c.f. CDC 4.6 No Table */
 123 #define DATA_INTERFACE_SUBCLASS_NONE    0x00    /* No subclass pertinent */
 124
 125 /* c.f. CDC 4.7 Table 19 */
 126 #define DATA_INTERFACE_PROTOCOL_NONE    0x00    /* No class protcol required */
 127
 128
 129 /* c.f. CDC 5.2.3 Table 24 */
 130 #define CS_INTERFACE            0x24
 131 #define CS_ENDPOINT                     0x25
 132
 133 /*
 134  * bDescriptorSubtypes
 135  *
 136  * c.f. CDC 5.2.3 Table 25
 137  * c.f. WMCD 5.3 Table 5.3
 138  */
 139
 140 #define USB_ST_HEADER           0x00
 141 #define USB_ST_CMF                      0x01
 142 #define USB_ST_ACMF                     0x02
 143 #define USB_ST_DLMF                     0x03
 144 #define USB_ST_TRF                      0x04
 145 #define USB_ST_TCLF                     0x05
 146 #define USB_ST_UF                       0x06
 147 #define USB_ST_CSF                      0x07
 148 #define USB_ST_TOMF                     0x08
 149 #define USB_ST_USBTF            0x09
 150 #define USB_ST_NCT                      0x0a
 151 #define USB_ST_PUF                      0x0b
 152 #define USB_ST_EUF                      0x0c
 153 #define USB_ST_MCMF                     0x0d
 154 #define USB_ST_CCMF                     0x0e
 155 #define USB_ST_ENF                      0x0f
 156 #define USB_ST_ATMNF            0x10
 157
 158 #define USB_ST_WHCM                     0x11
 159 #define USB_ST_MDLM                     0x12
 160 #define USB_ST_MDLMD            0x13
 161 #define USB_ST_DMM                      0x14
 162 #define USB_ST_OBEX                     0x15
 163 #define USB_ST_CS                       0x16
 164 #define USB_ST_CSD                      0x17
 165 #define USB_ST_TCM                      0x18
 166
 167 /* endpoint modifiers
 168  * static struct usb_endpoint_description function_default_A_1[] = {
 169  *
 170  *     {this_endpoint: 0, attributes: CONTROL,   max_size: 8,  polling_interval: 0 },
 171  *     {this_endpoint: 1, attributes: BULK,      max_size: 64, polling_interval: 0, direction: IN},
 172  *     {this_endpoint: 2, attributes: BULK,      max_size: 64, polling_interval: 0, direction: OUT},
 173  *     {this_endpoint: 3, attributes: INTERRUPT, max_size: 8,  polling_interval: 0},
 174  *
 175  *
 176  */
 177 #define OUT             0x00
 178 #define IN              0x80
 179
 180 #define CONTROL         0x00
 181 #define ISOCHRONOUS     0x01
 182 #define BULK            0x02
 183 #define INTERRUPT       0x03
 184
 185
 186 /* configuration modifiers
 187  */
 188 #define BMATTRIBUTE_RESERVED            0x80
 189 #define BMATTRIBUTE_SELF_POWERED        0x40
 190
 191 /*
 192  * standard usb descriptor structures
 193  */
 194
 195 struct usb_endpoint_descriptor {
 196         u8 bLength;
 197         u8 bDescriptorType;     /* 0x5 */
 198         u8 bEndpointAddress;
 199         u8 bmAttributes;
 200         u16 wMaxPacketSize;
 201         u8 bInterval;
 202 } __attribute__ ((packed));
 203
 204 struct usb_interface_descriptor {
 205         u8 bLength;
 206         u8 bDescriptorType;     /* 0x04 */
 207         u8 bInterfaceNumber;
 208         u8 bAlternateSetting;
 209         u8 bNumEndpoints;
 210         u8 bInterfaceClass;
 211         u8 bInterfaceSubClass;
 212         u8 bInterfaceProtocol;
 213         u8 iInterface;
 214 } __attribute__ ((packed));
 215
 216 struct usb_configuration_descriptor {
 217         u8 bLength;
 218         u8 bDescriptorType;     /* 0x2 */
 219         u16 wTotalLength;
 220         u8 bNumInterfaces;
 221         u8 bConfigurationValue;
 222         u8 iConfiguration;
 223         u8 bmAttributes;
 224         u8 bMaxPower;
 225 } __attribute__ ((packed));
 226
 227 struct usb_device_descriptor {
 228         u8 bLength;
 229         u8 bDescriptorType;     /* 0x01 */
 230         u16 bcdUSB;
 231         u8 bDeviceClass;
 232         u8 bDeviceSubClass;
 233         u8 bDeviceProtocol;
 234         u8 bMaxPacketSize0;
 235         u16 idVendor;
 236         u16 idProduct;
 237         u16 bcdDevice;
 238         u8 iManufacturer;
 239         u8 iProduct;
 240         u8 iSerialNumber;
 241         u8 bNumConfigurations;
 242 } __attribute__ ((packed));
 243
 244 struct usb_string_descriptor {
 245         u8 bLength;
 246         u8 bDescriptorType;     /* 0x03 */
 247         u16 wData[0];
 248 } __attribute__ ((packed));
 249
 250 struct usb_generic_descriptor {
 251         u8 bLength;
 252         u8 bDescriptorType;
 253         u8 bDescriptorSubtype;
 254 } __attribute__ ((packed));
 255
 256
 257 /*
 258  * communications class descriptor structures
 259  *
 260  * c.f. CDC 5.2 Table 25c
 261  */
 262
 263 struct usb_class_function_descriptor {
 264         u8 bFunctionLength;
 265         u8 bDescriptorType;
 266         u8 bDescriptorSubtype;
 267 } __attribute__ ((packed));
 268
 269 struct usb_class_function_descriptor_generic {
 270         u8 bFunctionLength;
 271         u8 bDescriptorType;
 272         u8 bDescriptorSubtype;
 273         u8 bmCapabilities;
 274 } __attribute__ ((packed));
 275
 276 struct usb_class_header_function_descriptor {
 277         u8 bFunctionLength;
 278         u8 bDescriptorType;
 279         u8 bDescriptorSubtype;  /* 0x00 */
 280         u16 bcdCDC;
 281 } __attribute__ ((packed));
 282
 283 struct usb_class_call_management_descriptor {
 284         u8 bFunctionLength;
 285         u8 bDescriptorType;
 286         u8 bDescriptorSubtype;  /* 0x01 */
 287         u8 bmCapabilities;
 288         u8 bDataInterface;
 289 } __attribute__ ((packed));
 290
 291 struct usb_class_abstract_control_descriptor {
 292         u8 bFunctionLength;
 293         u8 bDescriptorType;
 294         u8 bDescriptorSubtype;  /* 0x02 */
 295         u8 bmCapabilities;
 296 } __attribute__ ((packed));
 297
 298 struct usb_class_direct_line_descriptor {
 299         u8 bFunctionLength;
 300         u8 bDescriptorType;
 301         u8 bDescriptorSubtype;  /* 0x03 */
 302 } __attribute__ ((packed));
 303
 304 struct usb_class_telephone_ringer_descriptor {
 305         u8 bFunctionLength;
 306         u8 bDescriptorType;
 307         u8 bDescriptorSubtype;  /* 0x04 */
 308         u8 bRingerVolSeps;
 309         u8 bNumRingerPatterns;
 310 } __attribute__ ((packed));
 311
 312 struct usb_class_telephone_call_descriptor {
 313         u8 bFunctionLength;
 314         u8 bDescriptorType;
 315         u8 bDescriptorSubtype;  /* 0x05 */
 316         u8 bmCapabilities;
 317 } __attribute__ ((packed));
 318
 319 struct usb_class_union_function_descriptor {
 320         u8 bFunctionLength;
 321         u8 bDescriptorType;
 322         u8 bDescriptorSubtype;  /* 0x06 */
 323         u8 bMasterInterface;
 324         /* u8 bSlaveInterface0[0]; */
 325         u8 bSlaveInterface0;
 326 } __attribute__ ((packed));
 327
 328 struct usb_class_country_selection_descriptor {
 329         u8 bFunctionLength;
 330         u8 bDescriptorType;
 331         u8 bDescriptorSubtype;  /* 0x07 */
 332         u8 iCountryCodeRelDate;
 333         u16 wCountryCode0[0];
 334 } __attribute__ ((packed));
 335
 336
 337 struct usb_class_telephone_operational_descriptor {
 338         u8 bFunctionLength;
 339         u8 bDescriptorType;
 340         u8 bDescriptorSubtype;  /* 0x08 */
 341         u8 bmCapabilities;
 342 } __attribute__ ((packed));
 343
 344
 345 struct usb_class_usb_terminal_descriptor {
 346         u8 bFunctionLength;
 347         u8 bDescriptorType;
 348         u8 bDescriptorSubtype;  /* 0x09 */
 349         u8 bEntityId;
 350         u8 bInterfaceNo;
 351         u8 bOutInterfaceNo;
 352         u8 bmOptions;
 353         u8 bChild0[0];
 354 } __attribute__ ((packed));
 355
 356 struct usb_class_network_channel_descriptor {
 357         u8 bFunctionLength;
 358         u8 bDescriptorType;
 359         u8 bDescriptorSubtype;  /* 0x0a */
 360         u8 bEntityId;
 361         u8 iName;
 362         u8 bChannelIndex;
 363         u8 bPhysicalInterface;
 364 } __attribute__ ((packed));
 365
 366 struct usb_class_protocol_unit_function_descriptor {
 367         u8 bFunctionLength;
 368         u8 bDescriptorType;
 369         u8 bDescriptorSubtype;  /* 0x0b */
 370         u8 bEntityId;
 371         u8 bProtocol;
 372         u8 bChild0[0];
 373 } __attribute__ ((packed));
 374
 375 struct usb_class_extension_unit_descriptor {
 376         u8 bFunctionLength;
 377         u8 bDescriptorType;
 378         u8 bDescriptorSubtype;  /* 0x0c */
 379         u8 bEntityId;
 380         u8 bExtensionCode;
 381         u8 iName;
 382         u8 bChild0[0];
 383 } __attribute__ ((packed));
 384
 385 struct usb_class_multi_channel_descriptor {
 386         u8 bFunctionLength;
 387         u8 bDescriptorType;
 388         u8 bDescriptorSubtype;  /* 0x0d */
 389         u8 bmCapabilities;
 390 } __attribute__ ((packed));
 391
 392 struct usb_class_capi_control_descriptor {
 393         u8 bFunctionLength;
 394         u8 bDescriptorType;
 395         u8 bDescriptorSubtype;  /* 0x0e */
 396         u8 bmCapabilities;
 397 } __attribute__ ((packed));
 398
 399 struct usb_class_ethernet_networking_descriptor {
 400         u8 bFunctionLength;
 401         u8 bDescriptorType;
 402         u8 bDescriptorSubtype;  /* 0x0f */
 403         u8 iMACAddress;
 404         u32 bmEthernetStatistics;
 405         u16 wMaxSegmentSize;
 406         u16 wNumberMCFilters;
 407         u8 bNumberPowerFilters;
 408 } __attribute__ ((packed));
 409
 410 struct usb_class_atm_networking_descriptor {
 411         u8 bFunctionLength;
 412         u8 bDescriptorType;
 413         u8 bDescriptorSubtype;  /* 0x10 */
 414         u8 iEndSystermIdentifier;
 415         u8 bmDataCapabilities;
 416         u8 bmATMDeviceStatistics;
 417         u16 wType2MaxSegmentSize;
 418         u16 wType3MaxSegmentSize;
 419         u16 wMaxVC;
 420 } __attribute__ ((packed));
 421
 422
 423 struct usb_class_mdlm_descriptor {
 424         u8 bFunctionLength;
 425         u8 bDescriptorType;
 426         u8 bDescriptorSubtype;  /* 0x12 */
 427         u16 bcdVersion;
 428         u8 bGUID[16];
 429 } __attribute__ ((packed));
 430
 431 struct usb_class_mdlmd_descriptor {
 432         u8 bFunctionLength;
 433         u8 bDescriptorType;
 434         u8 bDescriptorSubtype;  /* 0x13 */
 435         u8 bGuidDescriptorType;
 436         u8 bDetailData[0];
 437
 438 } __attribute__ ((packed));
 439
 440 /*
 441  * HID class descriptor structures
 442  *
 443  * c.f. HID 6.2.1
 444  */
 445
 446 struct usb_class_hid_descriptor {
 447     u8        bLength;
 448     u8        bDescriptorType;
 449     u16       bcdCDC;
 450     u8        bCountryCode;
 451     u8        bNumDescriptors;  /* 0x01 */
 452     u8        bDescriptorType0;
 453     u16       wDescriptorLength0;
 454     /* optional descriptors are not supported. */
 455 } __attribute__((packed));
 456
 457 struct usb_class_report_descriptor {
 458     u8        bLength;  /* dummy */
 459     u8        bDescriptorType;
 460     u16       wLength;
 461     u8          bData[0];
 462 } __attribute__((packed));
 463
 464 /*
 465  * descriptor union structures
 466  */
 467
 468 struct usb_descriptor {
 469         union {
 470                 struct usb_generic_descriptor generic;
 471                 struct usb_endpoint_descriptor endpoint;
 472                 struct usb_interface_descriptor interface;
 473                 struct usb_configuration_descriptor configuration;
 474                 struct usb_device_descriptor device;
 475                 struct usb_string_descriptor string;
 476         } descriptor;
 477
 478 } __attribute__ ((packed));
 479
 480 struct usb_class_descriptor {
 481         union {
 482                 struct usb_class_function_descriptor function;
 483                 struct usb_class_function_descriptor_generic generic;
 484                 struct usb_class_header_function_descriptor header_function;
 485                 struct usb_class_call_management_descriptor call_management;
 486                 struct usb_class_abstract_control_descriptor abstract_control;
 487                 struct usb_class_direct_line_descriptor direct_line;
 488                 struct usb_class_telephone_ringer_descriptor telephone_ringer;
 489                 struct usb_class_telephone_operational_descriptor telephone_operational;
 490                 struct usb_class_telephone_call_descriptor telephone_call;
 491                 struct usb_class_union_function_descriptor union_function;
 492                 struct usb_class_country_selection_descriptor country_selection;
 493                 struct usb_class_usb_terminal_descriptor usb_terminal;
 494                 struct usb_class_network_channel_descriptor network_channel;
 495                 struct usb_class_extension_unit_descriptor extension_unit;
 496                 struct usb_class_multi_channel_descriptor multi_channel;
 497                 struct usb_class_capi_control_descriptor capi_control;
 498                 struct usb_class_ethernet_networking_descriptor ethernet_networking;
 499                 struct usb_class_atm_networking_descriptor atm_networking;
 500                 struct usb_class_mdlm_descriptor mobile_direct;
 501                 struct usb_class_mdlmd_descriptor mobile_direct_detail;
 502                 struct usb_class_hid_descriptor hid;
 503         } descriptor;
 504
 505 } __attribute__ ((packed));
 506
 507 #ifdef DEBUG
 508 static inline void print_device_descriptor(struct usb_device_descriptor *d)
 509 {
 510         serial_printf("usb device descriptor \n");
 511         serial_printf("\tbLength %2.2x\n", d->bLength);
 512         serial_printf("\tbDescriptorType %2.2x\n", d->bDescriptorType);
 513         serial_printf("\tbcdUSB %4.4x\n", d->bcdUSB);
 514         serial_printf("\tbDeviceClass %2.2x\n", d->bDeviceClass);
 515         serial_printf("\tbDeviceSubClass %2.2x\n", d->bDeviceSubClass);
 516         serial_printf("\tbDeviceProtocol %2.2x\n", d->bDeviceProtocol);
 517         serial_printf("\tbMaxPacketSize0 %2.2x\n", d->bMaxPacketSize0);
 518         serial_printf("\tidVendor %4.4x\n", d->idVendor);
 519         serial_printf("\tidProduct %4.4x\n", d->idProduct);
 520         serial_printf("\tbcdDevice %4.4x\n", d->bcdDevice);
 521         serial_printf("\tiManufacturer %2.2x\n", d->iManufacturer);
 522         serial_printf("\tiProduct %2.2x\n", d->iProduct);
 523         serial_printf("\tiSerialNumber %2.2x\n", d->iSerialNumber);
 524         serial_printf("\tbNumConfigurations %2.2x\n", d->bNumConfigurations);
 525 }
 526
 527 #else
 528
 529 /* stubs */
 530 #define print_device_descriptor(d)
 531
 532 #endif /* DEBUG */
 533 #endif