EdkModulePkg/Bus/Usb/UsbCbi/Dxe/cbi.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14     cbi.h
  15
  16 Abstract:
  17
  18     USB CBI transportation protocol definitions.
  19 --*/
  20
  21 #ifndef _CBI_H
  22 #define _CBI_H
  23
  24
  25 #include <IndustryStandard/usb.h>
  26
  27 #define bit(a)                  (1 << (a))
  28
  29 #define MASS_STORAGE_CLASS      0x08
  30 #define CBI0_INTERFACE_PROTOCOL 0x00
  31 #define CBI1_INTERFACE_PROTOCOL 0x01
  32
  33 //
  34 // in millisecond unit
  35 //
  36 #define STALL_1_SECOND          1000
  37
  38 #pragma pack(1)
  39 //
  40 // Data block definition for transportation through interrupt endpoint
  41 //
  42 typedef struct {
  43   UINT8 bType;
  44   UINT8 bValue;
  45 } INTERRUPT_DATA_BLOCK;
  46
  47 #pragma pack()
  48
  49 #define USB_CBI_DEVICE_SIGNATURE  EFI_SIGNATURE_32 ('u', 'c', 'b', 'i')
  50
  51 //
  52 // Device structure for CBI, interrupt endpoint may be not used in
  53 // CBI1 Protocol
  54 //
  55 typedef struct {
  56   UINT32                        Signature;
  57   EFI_DEVICE_PATH_PROTOCOL      *DevicePath;
  58   EFI_USB_ATAPI_PROTOCOL        UsbAtapiProtocol;
  59   EFI_USB_IO_PROTOCOL           *UsbIo;
  60   EFI_USB_INTERFACE_DESCRIPTOR  InterfaceDescriptor;
  61   EFI_USB_ENDPOINT_DESCRIPTOR   BulkInEndpointDescriptor;
  62   EFI_USB_ENDPOINT_DESCRIPTOR   BulkOutEndpointDescriptor;
  63   EFI_USB_ENDPOINT_DESCRIPTOR   InterruptEndpointDescriptor;
  64   EFI_UNICODE_STRING_TABLE      *ControllerNameTable;
  65 } USB_CBI_DEVICE;
  66
  67 #define USB_CBI_DEVICE_FROM_THIS(a) \
  68     CR(a, USB_CBI_DEVICE, UsbAtapiProtocol, USB_CBI_DEVICE_SIGNATURE)
  69
  70 #endif