/****************************************************************************** * * Copyright (C) 2012 - 2015 Xilinx, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * Use of the Software is limited solely to applications: * (a) running on a Xilinx device, or * (b) that interact with a Xilinx device through a bus or interconnect. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Except as contained in this notice, the name of the Xilinx shall not be used * in advertising or otherwise to promote the sale, use or other dealings in * this Software without prior written authorization from Xilinx. * ******************************************************************************/ /*****************************************************************************/ /** * @file xaxivdma_i.h * * Internal API definitions shared by driver files. * *
 * MODIFICATION HISTORY:
 *
 * Ver   Who  Date     Changes
 * ----- ---- -------- -------------------------------------------------------
 * 1.00a jz   08/18/10 First release
 * 2.00a jz   12/10/10 Added support for direct register access mode, v3 core
 * 2.01a jz   01/19/11 Added ability to re-assign BD addresses
 *		       Replaced include xenv.h with string.h in xaxivdma_i.h
 * 		       file.
 *  	 rkv  03/28/11 Added support for frame store register.
 * 3.00a srt  08/26/11 Added support for Flush on Frame Sync and dynamic 
 *		       programming of Line Buffer Thresholds.
 * 4.00a srt  11/21/11 Added support for 32 Frame Stores and modified bit  
 *		       mask of Park Offset Register.
 *		       Added support for GenLock & Fsync Source Selection.
 * 4.03a srt  01/18/13 -  Added StreamWidth parameter to XAxiVdma_Channel
 *		       structure (CR 691866).
 * 4.04a srt  03/03/13 Support for the GenlockRepeat Control bit (Bit 15)
 *                     added in the new version of IP v5.04 (CR: 691391)
 *					 - Support for *_ENABLE_DEBUG_INFO_* debug configuration                       
 *			           parameters (CR: 703738)	 
 *
 * 
* *****************************************************************************/ #ifndef XAXIVDMA_I_H_ /* prevent circular inclusions */ #define XAXIVDMA_I_H_ #ifdef __cplusplus extern "C" { #endif #include /* memset */ #include "xil_types.h" #include "xdebug.h" /************************** Constant Definitions *****************************/ /**************************** Type Definitions *******************************/ /* Buffer Descriptor (BD) is only visible in this file */ typedef u32 XAxiVdma_Bd[XAXIVDMA_BD_MINIMUM_ALIGNMENT_WD]; /* The DMA channel is only visible to driver files */ typedef struct { u32 ChanBase; /* Base address for this channel */ u32 InstanceBase; /* Base address for the whole device */ u32 StartAddrBase; /* Start address register array base */ int IsValid; /* Whether the channel has been initialized */ int FlushonFsync; /* VDMA Transactions are flushed & channel states reset on Frame Sync */ int HasSG; /* Whether hardware has SG engine */ int IsRead; /* Read or write channel */ int HasDRE; /* Whether support unaligned transfer */ int LineBufDepth; /* Depth of Channel Line Buffer FIFO */ int LineBufThreshold; /* Threshold point at which Channel Line * almost empty flag asserts high */ int WordLength; /* Word length */ int NumFrames; /* Number of frames to work on */ u32 HeadBdPhysAddr; /* Physical address of the first BD */ u32 HeadBdAddr; /* Virtual address of the first BD */ u32 TailBdPhysAddr; /* Physical address of the last BD */ u32 TailBdAddr; /* Virtual address of the last BD */ int Hsize; /* Horizontal size */ int Vsize; /* Vertical size saved for no-sg mode hw start */ int AllCnt; /* Total number of BDs */ int GenLock; /* Mm2s Gen Lock Mode */ int S2MmSOF; /* S2MM Start of Flag */ int StreamWidth; /* Stream Width */ XAxiVdma_Bd BDs[XAXIVDMA_MAX_FRAMESTORE] __attribute__((__aligned__(32))); /*Statically allocated BDs */ u32 DbgFeatureFlags; /* Debug Parameter Flags */ }XAxiVdma_Channel; /* Duplicate layout of XAxiVdma_DmaSetup * * So to remove the dependency on xaxivdma.h */ typedef struct { int VertSizeInput; /**< Vertical size input */ int HoriSizeInput; /**< Horizontal size input */ int Stride; /**< Stride */ int FrameDelay; /**< Frame Delay */ int EnableCircularBuf; /**< Circular Buffer Mode? */ int EnableSync; /**< Gen-Lock Mode? */ int PointNum; /**< Master we synchronize with */ int EnableFrameCounter; /**< Frame Counter Enable */ u32 FrameStoreStartAddr[XAXIVDMA_MAX_FRAMESTORE]; /**< Start Addresses of Frame Store Buffers. */ int FixedFrameStoreAddr;/**< Fixed Frame Store Address index */ int GenLockRepeat; /**< Gen-Lock Repeat? */ }XAxiVdma_ChannelSetup; /************************** Function Prototypes ******************************/ /* Channel API */ void XAxiVdma_ChannelInit(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelReset(XAxiVdma_Channel *Channel); int XAxiVdma_ChannelResetNotDone(XAxiVdma_Channel *Channel); int XAxiVdma_ChannelIsRunning(XAxiVdma_Channel *Channel); int XAxiVdma_ChannelIsBusy(XAxiVdma_Channel *Channel); u32 XAxiVdma_ChannelGetStatus(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelRegisterDump(XAxiVdma_Channel *Channel); int XAxiVdma_ChannelStartParking(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelStopParking(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelStartFrmCntEnable(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelEnableIntr(XAxiVdma_Channel *Channel, u32 IntrType); void XAxiVdma_ChannelDisableIntr(XAxiVdma_Channel *Channel, u32 IntrType); u32 XAxiVdma_ChannelGetPendingIntr(XAxiVdma_Channel *Channel); u32 XAxiVdma_ChannelGetEnabledIntr(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelIntrClear(XAxiVdma_Channel *Channel, u32 IntrType); int XAxiVdma_ChannelStartTransfer(XAxiVdma_Channel *Channel, XAxiVdma_ChannelSetup *ChannelCfgPtr); int XAxiVdma_ChannelSetBdAddrs(XAxiVdma_Channel *Channel, u32 BdAddrPhys, u32 BdAddrVirt); int XAxiVdma_ChannelConfig(XAxiVdma_Channel *Channel, XAxiVdma_ChannelSetup *ChannelCfgPtr); int XAxiVdma_ChannelSetBufferAddr(XAxiVdma_Channel *Channel, u32 *AddrSet, int NumFrames); int XAxiVdma_ChannelStart(XAxiVdma_Channel *Channel); void XAxiVdma_ChannelStop(XAxiVdma_Channel *Channel); int XAxiVdma_ChannelSetFrmCnt(XAxiVdma_Channel *Channel, u8 FrmCnt, u8 DlyCnt); void XAxiVdma_ChannelGetFrmCnt(XAxiVdma_Channel *Channel, u8 *FrmCnt, u8 *DlyCnt); u32 XAxiVdma_ChannelErrors(XAxiVdma_Channel *Channel); void XAxiVdma_ClearChannelErrors(XAxiVdma_Channel *Channel, u32 ErrorMask); #ifdef __cplusplus } #endif #endif