diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/EhciPei/EhciUrb.h')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/EhciPei/EhciUrb.h | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciPei/EhciUrb.h b/MdeModulePkg/Bus/Pci/EhciPei/EhciUrb.h index 3fe93fb294..009b67d6c9 100644 --- a/MdeModulePkg/Bus/Pci/EhciPei/EhciUrb.h +++ b/MdeModulePkg/Bus/Pci/EhciPei/EhciUrb.h @@ -1,8 +1,8 @@ /** @file
Private Header file for Usb Host Controller PEIM
-Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
-
+Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
@@ -73,7 +73,7 @@ typedef struct _PEI_URB PEI_URB; #define USB_ERR_SHORT_PACKET 0x200
//
-// Fill in the hardware link point: pass in a EHC_QH/QH_HW
+// Fill in the hardware link point: pass in a EHC_QH/QH_HW
// pointer to QH_LINK; A EHC_QTD/QTD_HW pointer to QTD_LINK
//
#define QH_LINK(Addr, Type, Term) \
@@ -82,16 +82,16 @@ typedef struct _PEI_URB PEI_URB; #define QTD_LINK(Addr, Term) QH_LINK((Addr), 0, (Term))
//
-// The defination of EHCI hardware used data structure for
-// little endian architecture. The QTD and QH structures
-// are required to be 32 bytes aligned. Don't add members
+// The defination of EHCI hardware used data structure for
+// little endian architecture. The QTD and QH structures
+// are required to be 32 bytes aligned. Don't add members
// to the head of the associated software strucuture.
//
#pragma pack(1)
typedef struct {
UINT32 NextQtd;
UINT32 AltNext;
-
+
UINT32 Status : 8;
UINT32 Pid : 2;
UINT32 ErrCnt : 2;
@@ -105,7 +105,7 @@ typedef struct { } QTD_HW;
typedef struct {
- UINT32 HorizonLink;
+ UINT32 HorizonLink;
//
// Endpoint capabilities/Characteristics DWord 1 and DWord 2
//
@@ -131,7 +131,7 @@ typedef struct { UINT32 CurQtd;
UINT32 NextQtd;
UINT32 AltQtd;
-
+
UINT32 Status : 8;
UINT32 Pid : 2;
UINT32 ErrCnt : 2;
@@ -163,7 +163,7 @@ typedef struct _USB_ENDPOINT { } USB_ENDPOINT;
//
-// Software QTD strcture, this is used to manage all the
+// Software QTD strcture, this is used to manage all the
// QTD generated from a URB. Don't add fields before QtdHw.
//
struct _PEI_EHC_QTD {
@@ -177,17 +177,17 @@ struct _PEI_EHC_QTD { //
-// Software QH structure. All three different transaction types
-// supported by UEFI USB, that is the control/bulk/interrupt
-// transfers use the queue head and queue token strcuture.
+// Software QH structure. All three different transaction types
+// supported by UEFI USB, that is the control/bulk/interrupt
+// transfers use the queue head and queue token strcuture.
//
// Interrupt QHs are linked to periodic frame list in the reversed
-// 2^N tree. Each interrupt QH is linked to the list starting at
+// 2^N tree. Each interrupt QH is linked to the list starting at
// frame 0. There is a dummy interrupt QH linked to each frame as
// a sentinental whose polling interval is 1. Synchronous interrupt
-// transfer is linked after this dummy QH.
-//
-// For control/bulk transfer, only synchronous (in the sense of UEFI)
+// transfer is linked after this dummy QH.
+//
+// For control/bulk transfer, only synchronous (in the sense of UEFI)
// transfer is supported. A dummy QH is linked to EHCI AsyncListAddr
// as the reclamation header. New transfer is inserted after this QH.
//
@@ -196,17 +196,17 @@ struct _PEI_EHC_QH { UINT32 Signature;
PEI_EHC_QH *NextQh; // The queue head pointed to by horizontal link
EFI_LIST_ENTRY Qtds; // The list of QTDs to this queue head
- UINTN Interval;
+ UINTN Interval;
};
//
-// URB (Usb Request Block) contains information for all kinds of
+// URB (Usb Request Block) contains information for all kinds of
// usb requests.
//
struct _PEI_URB {
UINT32 Signature;
EFI_LIST_ENTRY UrbList;
-
+
//
// Transaction information
//
@@ -218,14 +218,14 @@ struct _PEI_URB { UINTN DataLen;
VOID *DataPhy; // Address of the mapped user data
VOID *DataMap;
- EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;
+ EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;
VOID *Context;
//
// Schedule data
//
PEI_EHC_QH *Qh;
-
+
//
// Transaction result
//
@@ -237,7 +237,7 @@ struct _PEI_URB { /**
Delete a single asynchronous interrupt transfer for
the device and endpoint.
-
+
@param Ehc The EHCI device.
@param Data Current data not associated with a QTD.
@param DataLen The length of the data.
@@ -261,7 +261,7 @@ EhcCreateQtd ( /**
Allocate and initialize a EHCI queue head.
-
+
@param Ehci The EHCI device.
@param Ep The endpoint to create queue head for.
@@ -277,7 +277,7 @@ EhcCreateQh ( /**
Free an allocated URB. It is possible for it to be partially inited.
-
+
@param Ehc The EHCI device.
@param Urb The URB to free.
@@ -291,7 +291,7 @@ EhcFreeUrb ( /**
Create a new URB and its associated QTD.
-
+
@param Ehc The EHCI device.
@param DevAddr The device address.
@param EpAddr Endpoint addrress & its direction.
@@ -314,7 +314,7 @@ PEI_URB * EhcCreateUrb (
IN PEI_USB2_HC_DEV *Ehc,
IN UINT8 DevAddr,
- IN UINT8 EpAddr,
+ IN UINT8 EpAddr,
IN UINT8 DevSpeed,
IN UINT8 Toggle,
IN UINTN MaxPacket,
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