PeiUsbLib.h

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#ifndef _PEI_USB_LIB_H_
#define _PEI_USB_LIB_H_
//
// Standard device request and request type
// By [Spec-USB20/Chapter-9.4]
//
#define USB_DEV_GET_STATUS             0x00
#define USB_DEV_GET_STATUS_REQ_TYPE_D  0x80      // Receiver : Device
#define USB_DEV_GET_STATUS_REQ_TYPE_I  0x81      // Receiver : Interface
#define USB_DEV_GET_STATUS_REQ_TYPE_E  0x82      // Receiver : Endpoint
 
#define USB_DEV_CLEAR_FEATURE             0x01
#define USB_DEV_CLEAR_FEATURE_REQ_TYPE_D  0x00   // Receiver : Device
#define USB_DEV_CLEAR_FEATURE_REQ_TYPE_I  0x01   // Receiver : Interface
#define USB_DEV_CLEAR_FEATURE_REQ_TYPE_E  0x02   // Receiver : Endpoint
 
#define USB_DEV_SET_FEATURE             0x03
#define USB_DEV_SET_FEATURE_REQ_TYPE_D  0x00     // Receiver : Device
#define USB_DEV_SET_FEATURE_REQ_TYPE_I  0x01     // Receiver : Interface
#define USB_DEV_SET_FEATURE_REQ_TYPE_E  0x02     // Receiver : Endpoint
 
#define USB_DEV_SET_ADDRESS           0x05
#define USB_DEV_SET_ADDRESS_REQ_TYPE  0x00
 
#define USB_DEV_GET_DESCRIPTOR           0x06
#define USB_DEV_GET_DESCRIPTOR_REQ_TYPE  0x80
 
#define USB_DEV_SET_DESCRIPTOR           0x07
#define USB_DEV_SET_DESCRIPTOR_REQ_TYPE  0x00
 
#define USB_DEV_GET_CONFIGURATION           0x08
#define USB_DEV_GET_CONFIGURATION_REQ_TYPE  0x80
 
#define USB_DEV_SET_CONFIGURATION           0x09
#define USB_DEV_SET_CONFIGURATION_REQ_TYPE  0x00
 
#define USB_DEV_GET_INTERFACE           0x0A
#define USB_DEV_GET_INTERFACE_REQ_TYPE  0x81
 
#define USB_DEV_SET_INTERFACE           0x0B
#define USB_DEV_SET_INTERFACE_REQ_TYPE  0x01
 
#define USB_DEV_SYNCH_FRAME           0x0C
#define USB_DEV_SYNCH_FRAME_REQ_TYPE  0x82
 
//
// USB Descriptor types
//
#define USB_DT_DEVICE     0x01
#define USB_DT_CONFIG     0x02
#define USB_DT_STRING     0x03
#define USB_DT_INTERFACE  0x04
#define USB_DT_ENDPOINT   0x05
#define USB_DT_HUB        0x29
#define USB_DT_HID        0x21
 
//
// USB request type
//
#define USB_TYPE_STANDARD  (0x00 << 5)
#define USB_TYPE_CLASS     (0x01 << 5)
#define USB_TYPE_VENDOR    (0x02 << 5)
#define USB_TYPE_RESERVED  (0x03 << 5)
 
//
// USB request targer device
//
#define USB_RECIP_DEVICE     0x00
#define USB_RECIP_INTERFACE  0x01
#define USB_RECIP_ENDPOINT   0x02
#define USB_RECIP_OTHER      0x03
 
typedef enum {
  EfiUsbEndpointHalt,
  EfiUsbDeviceRemoteWakeup
} EFI_USB_STANDARD_FEATURE_SELECTOR;
 
//
// Usb Data recipient type
//
typedef enum {
  EfiUsbDevice,
  EfiUsbInterface,
  EfiUsbEndpoint
} EFI_USB_RECIPIENT;
 
EFI_STATUS
PeiUsbClearDeviceFeature (
  IN EFI_PEI_SERVICES   **PeiServices,
  IN PEI_USB_IO_PPI     *UsbIoPpi,
  IN EFI_USB_RECIPIENT  Recipient,
  IN UINT16             Value,
  IN UINT16             Target
  );
 
EFI_STATUS
PeiUsbClearEndpointHalt (
  IN EFI_PEI_SERVICES  **PeiServices,
  IN PEI_USB_IO_PPI    *UsbIoPpi,
  IN UINT8             EndpointAddress
  );
 
#endif