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Add comments for most of enum data type.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6924 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2008-12-08 14:48:27 +00:00
parent db5d3dbd76
commit 9319d2c206
22 changed files with 282 additions and 121 deletions
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32
MdePkg/Include/Protocol/Usb2HostController.h
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@ -33,13 +33,13 @@ typedef struct _EFI_USB2_HC_PROTOCOL EFI_USB2_HC_PROTOCOL;
typedef struct {
UINT16 PortStatus;
UINT16 PortChangeStatus;
UINT16 PortStatus; /// Contains current port status bitmap.
UINT16 PortChangeStatus; /// Contains current port status change bitmap.
} EFI_USB_PORT_STATUS;
//
// Constant value for Port Status & Port Change Status
//
///
/// EFI_USB_PORT_STATUS.PortStatus bit definition
///
#define USB_PORT_STAT_CONNECTION 0x0001
#define USB_PORT_STAT_ENABLE 0x0002
#define USB_PORT_STAT_SUSPEND 0x0004
@ -50,6 +50,9 @@ typedef struct {
#define USB_PORT_STAT_HIGH_SPEED 0x0400
#define USB_PORT_STAT_OWNER 0x0800
///
/// EFI_USB_PORT_STATUS.PortChangeStatus bit definition
///
#define USB_PORT_STAT_C_CONNECTION 0x0001
#define USB_PORT_STAT_C_ENABLE 0x0002
#define USB_PORT_STAT_C_SUSPEND 0x0004
@ -57,9 +60,11 @@ typedef struct {
#define USB_PORT_STAT_C_RESET 0x0010
//
// Usb port features
//
///
/// Usb port features value
/// Each value indicates its bit index in the port status and status change bitmaps,
/// if combines these two bitmaps into a 32-bit bitmap.
///
typedef enum {
EfiUsbPortEnable = 1,
EfiUsbPortSuspend = 2,
@ -73,14 +78,13 @@ typedef enum {
EfiUsbPortResetChange = 20
} EFI_USB_PORT_FEATURE;
#define EFI_USB_SPEED_FULL 0x0000 // 12 Mb/s, USB 1.1 OHCI and UHCI HC.
#define EFI_USB_SPEED_LOW 0x0001 // 1 Mb/s, USB 1.1 OHCI and UHCI HC.
#define EFI_USB_SPEED_HIGH 0x0002 // 480 Mb/s, USB 2.0 EHCI HC.
#define EFI_USB_SPEED_FULL 0x0000 /// 12 Mb/s, USB 1.1 OHCI and UHCI HC.
#define EFI_USB_SPEED_LOW 0x0001 /// 1 Mb/s, USB 1.1 OHCI and UHCI HC.
#define EFI_USB_SPEED_HIGH 0x0002 /// 480 Mb/s, USB 2.0 EHCI HC.
typedef struct {
UINT8 TranslatorHubAddress;
UINT8 TranslatorPortNumber;
UINT8 TranslatorHubAddress; /// device address
UINT8 TranslatorPortNumber; /// the port number of the hub that device is connected to.
} EFI_USB2_HC_TRANSACTION_TRANSLATOR;
//