diff options
Diffstat (limited to 'board/xilinx/common/xbuf_descriptor.h')
| -rw-r--r-- | board/xilinx/common/xbuf_descriptor.h | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/board/xilinx/common/xbuf_descriptor.h b/board/xilinx/common/xbuf_descriptor.h deleted file mode 100644 index fdd51d58d4..0000000000 --- a/board/xilinx/common/xbuf_descriptor.h +++ /dev/null @@ -1,252 +0,0 @@ -/****************************************************************************** -* -* Author: Xilinx, Inc. -* -* -* This program is free software; you can redistribute it and/or modify it -* under the terms of the GNU General Public License as published by the -* Free Software Foundation; either version 2 of the License, or (at your -* option) any later version. -* -* -* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A -* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS -* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD, -* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE -* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING -* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. -* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO -* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY -* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM -* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND -* FITNESS FOR A PARTICULAR PURPOSE. -* -* -* Xilinx hardware products are not intended for use in life support -* appliances, devices, or systems. Use in such applications is -* expressly prohibited. -* -* -* (c) Copyright 2002-2004 Xilinx Inc. -* All rights reserved. -* -* -* You should have received a copy of the GNU General Public License along -* with this program; if not, write to the Free Software Foundation, Inc., -* 675 Mass Ave, Cambridge, MA 02139, USA. -* -* FILENAME: -* -* xbuf_descriptor.h -* -* DESCRIPTION: -* -* This file contains the interface for the XBufDescriptor component. -* The XBufDescriptor component is a passive component that only maps over -* a buffer descriptor data structure shared by the scatter gather DMA hardware -* and software. The component's primary purpose is to provide encapsulation of -* the buffer descriptor processing. See the source file xbuf_descriptor.c for -* details. -* -* NOTES: -* -* Most of the functions of this component are implemented as macros in order -* to optimize the processing. The names are not all uppercase such that they -* can be switched between macros and functions easily. -* -******************************************************************************/ - -#ifndef XBUF_DESCRIPTOR_H /* prevent circular inclusions */ -#define XBUF_DESCRIPTOR_H /* by using protection macros */ - -/***************************** Include Files *********************************/ - -#include "xbasic_types.h" -#include "xdma_channel_i.h" - -/************************** Constant Definitions *****************************/ - -/* The following constants allow access to all fields of a buffer descriptor - * and are necessary at this level of visibility to allow macros to access - * and modify the fields of a buffer descriptor. It is not expected that the - * user of a buffer descriptor would need to use these constants. - */ - -#define XBD_DEVICE_STATUS_OFFSET 0 -#define XBD_CONTROL_OFFSET 1 -#define XBD_SOURCE_OFFSET 2 -#define XBD_DESTINATION_OFFSET 3 -#define XBD_LENGTH_OFFSET 4 -#define XBD_STATUS_OFFSET 5 -#define XBD_NEXT_PTR_OFFSET 6 -#define XBD_ID_OFFSET 7 -#define XBD_FLAGS_OFFSET 8 -#define XBD_RQSTED_LENGTH_OFFSET 9 - -#define XBD_SIZE_IN_WORDS 10 - -/* - * The following constants define the bits of the flags field of a buffer - * descriptor - */ - -#define XBD_FLAGS_LOCKED_MASK 1UL - -/**************************** Type Definitions *******************************/ - -typedef u32 XBufDescriptor[XBD_SIZE_IN_WORDS]; - -/***************** Macros (Inline Functions) Definitions *********************/ - -/* each of the following macros are named the same as functions rather than all - * upper case in order to allow either the macros or the functions to be - * used, see the source file xbuf_descriptor.c for documentation - */ - -#define XBufDescriptor_Initialize(InstancePtr) \ -{ \ - (*((u32 *)InstancePtr + XBD_CONTROL_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_SOURCE_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_DESTINATION_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_LENGTH_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_STATUS_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_DEVICE_STATUS_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_NEXT_PTR_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_ID_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_FLAGS_OFFSET) = 0); \ - (*((u32 *)InstancePtr + XBD_RQSTED_LENGTH_OFFSET) = 0); \ -} - -#define XBufDescriptor_GetControl(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_CONTROL_OFFSET)) - -#define XBufDescriptor_SetControl(InstancePtr, Control) \ - (*((u32 *)InstancePtr + XBD_CONTROL_OFFSET) = (u32)Control) - -#define XBufDescriptor_IsLastControl(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_CONTROL_OFFSET) & \ - XDC_CONTROL_LAST_BD_MASK) - -#define XBufDescriptor_SetLast(InstancePtr) \ - (*((u32 *)InstancePtr + XBD_CONTROL_OFFSET) |= XDC_CONTROL_LAST_BD_MASK) - -#define XBufDescriptor_GetSrcAddress(InstancePtr) \ - ((u32 *)(*((u32 *)InstancePtr + XBD_SOURCE_OFFSET))) - -#define XBufDescriptor_SetSrcAddress(InstancePtr, Source) \ - (*((u32 *)InstancePtr + XBD_SOURCE_OFFSET) = (u32)Source) - -#define XBufDescriptor_GetDestAddress(InstancePtr) \ - ((u32 *)(*((u32 *)InstancePtr + XBD_DESTINATION_OFFSET))) - -#define XBufDescriptor_SetDestAddress(InstancePtr, Destination) \ - (*((u32 *)InstancePtr + XBD_DESTINATION_OFFSET) = (u32)Destination) - -#define XBufDescriptor_GetLength(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_RQSTED_LENGTH_OFFSET) - \ - *((u32 *)InstancePtr + XBD_LENGTH_OFFSET)) - -#define XBufDescriptor_SetLength(InstancePtr, Length) \ -{ \ - (*((u32 *)InstancePtr + XBD_LENGTH_OFFSET) = (u32)(Length)); \ - (*((u32 *)InstancePtr + XBD_RQSTED_LENGTH_OFFSET) = (u32)(Length));\ -} - -#define XBufDescriptor_GetStatus(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_STATUS_OFFSET)) - -#define XBufDescriptor_SetStatus(InstancePtr, Status) \ - (*((u32 *)InstancePtr + XBD_STATUS_OFFSET) = (u32)Status) - -#define XBufDescriptor_IsLastStatus(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_STATUS_OFFSET) & \ - XDC_STATUS_LAST_BD_MASK) - -#define XBufDescriptor_GetDeviceStatus(InstancePtr) \ - ((u32)(*((u32 *)InstancePtr + XBD_DEVICE_STATUS_OFFSET))) - -#define XBufDescriptor_SetDeviceStatus(InstancePtr, Status) \ - (*((u32 *)InstancePtr + XBD_DEVICE_STATUS_OFFSET) = (u32)Status) - -#define XBufDescriptor_GetNextPtr(InstancePtr) \ - (XBufDescriptor *)(*((u32 *)InstancePtr + XBD_NEXT_PTR_OFFSET)) - -#define XBufDescriptor_SetNextPtr(InstancePtr, NextPtr) \ - (*((u32 *)InstancePtr + XBD_NEXT_PTR_OFFSET) = (u32)NextPtr) - -#define XBufDescriptor_GetId(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_ID_OFFSET)) - -#define XBufDescriptor_SetId(InstancePtr, Id) \ - (*((u32 *)InstancePtr + XBD_ID_OFFSET) = (u32)Id) - -#define XBufDescriptor_GetFlags(InstancePtr) \ - (u32)(*((u32 *)InstancePtr + XBD_FLAGS_OFFSET)) - -#define XBufDescriptor_SetFlags(InstancePtr, Flags) \ - (*((u32 *)InstancePtr + XBD_FLAGS_OFFSET) = (u32)Flags) - -#define XBufDescriptor_Lock(InstancePtr) \ - (*((u32 *)InstancePtr + XBD_FLAGS_OFFSET) |= XBD_FLAGS_LOCKED_MASK) - -#define XBufDescriptor_Unlock(InstancePtr) \ - (*((u32 *)InstancePtr + XBD_FLAGS_OFFSET) &= ~XBD_FLAGS_LOCKED_MASK) - -#define XBufDescriptor_IsLocked(InstancePtr) \ - (*((u32 *)InstancePtr + XBD_FLAGS_OFFSET) & XBD_FLAGS_LOCKED_MASK) - -/************************** Function Prototypes ******************************/ - -/* The following prototypes are provided to allow each of the functions to - * be implemented as a function rather than a macro, and to provide the - * syntax to allow users to understand how to call the macros, they are - * commented out to prevent linker errors - * - -u32 XBufDescriptor_Initialize(XBufDescriptor* InstancePtr); - -u32 XBufDescriptor_GetControl(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetControl(XBufDescriptor* InstancePtr, u32 Control); - -u32 XBufDescriptor_IsLastControl(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetLast(XBufDescriptor* InstancePtr); - -u32 XBufDescriptor_GetLength(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetLength(XBufDescriptor* InstancePtr, u32 Length); - -u32 XBufDescriptor_GetStatus(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetStatus(XBufDescriptor* InstancePtr, u32 Status); -u32 XBufDescriptor_IsLastStatus(XBufDescriptor* InstancePtr); - -u32 XBufDescriptor_GetDeviceStatus(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetDeviceStatus(XBufDescriptor* InstancePtr, - u32 Status); - -u32 XBufDescriptor_GetSrcAddress(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetSrcAddress(XBufDescriptor* InstancePtr, - u32 SourceAddress); - -u32 XBufDescriptor_GetDestAddress(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetDestAddress(XBufDescriptor* InstancePtr, - u32 DestinationAddress); - -XBufDescriptor* XBufDescriptor_GetNextPtr(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetNextPtr(XBufDescriptor* InstancePtr, - XBufDescriptor* NextPtr); - -u32 XBufDescriptor_GetId(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetId(XBufDescriptor* InstancePtr, u32 Id); - -u32 XBufDescriptor_GetFlags(XBufDescriptor* InstancePtr); -void XBufDescriptor_SetFlags(XBufDescriptor* InstancePtr, u32 Flags); - -void XBufDescriptor_Lock(XBufDescriptor* InstancePtr); -void XBufDescriptor_Unlock(XBufDescriptor* InstancePtr); -u32 XBufDescriptor_IsLocked(XBufDescriptor* InstancePtr); - -void XBufDescriptor_Copy(XBufDescriptor* InstancePtr, - XBufDescriptor* DestinationPtr); - -*/ - -#endif /* end of protection macro */ |
