/********************************************************************************     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:** xdma_channel_i.h** DESCRIPTION:** This file contains data which is shared internal data for the DMA channel* component. It is also shared with the buffer descriptor component which is* very tightly coupled with the DMA channel component.** NOTES:** The last buffer descriptor constants must be located here to prevent a* circular dependency between the DMA channel component and the buffer* descriptor component.*******************************************************************************/#ifndef XDMA_CHANNEL_I_H	/* prevent circular inclusions */#define XDMA_CHANNEL_I_H	/* by using protection macros *//***************************** Include Files *********************************/#include "xbasic_types.h"#include "xstatus.h"#include "xversion.h"/************************** Constant Definitions *****************************/#define XDC_DMA_CHANNEL_V1_00_A		"1.00a"/* the following constant provides access to the bit fields of the DMA control * register (DMACR) which must be shared between the DMA channel component * and the buffer descriptor component */#define XDC_CONTROL_LAST_BD_MASK	0x02000000UL	/* last buffer descriptor *//* the following constant provides access to the bit fields of the DMA status * register (DMASR) which must be shared between the DMA channel component * and the buffer descriptor component */#define XDC_STATUS_LAST_BD_MASK		0x10000000UL	/* last buffer descriptor *//* the following constants provide access to each of the registers of a DMA * channel */#define XDC_RST_REG_OFFSET	0	/* reset register */#define XDC_MI_REG_OFFSET	0	/* module information register */#define XDC_DMAC_REG_OFFSET	4	/* DMA control register */#define XDC_SA_REG_OFFSET	8	/* source address register */#define XDC_DA_REG_OFFSET	12	/* destination address register */#define XDC_LEN_REG_OFFSET	16	/* length register */#define XDC_DMAS_REG_OFFSET	20	/* DMA status register */#define XDC_BDA_REG_OFFSET	24	/* buffer descriptor address register */#define XDC_SWCR_REG_OFFSET 28	/* software control register */#define XDC_UPC_REG_OFFSET	32	/* unserviced packet count register */#define	XDC_PCT_REG_OFFSET	36	/* packet count threshold register */#define XDC_PWB_REG_OFFSET	40	/* packet wait bound register */#define XDC_IS_REG_OFFSET	44	/* interrupt status register */#define XDC_IE_REG_OFFSET	48	/* interrupt enable register *//* the following constant is written to the reset register to reset the * DMA channel */#define XDC_RESET_MASK				0x0000000AUL/**************************** Type Definitions *******************************//***************** Macros (Inline Functions) Definitions *********************//************************** Function Prototypes ******************************/#endif				/* end of protection macro */