--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2017 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
+ * XILINX 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 xdpdma.h
+ *
+ * This file defines the functions implemented by the DPDMA driver present
+ * in the Zynq Ultrascale MP.
+ *
+ * @note None.
+ *
+ * <pre>
+ * MODIFICATION HISTORY:
+ *
+ * Ver Who Date Changes
+ * ---- ----- -------- ----------------------------------------------------
+ * 1.0 aad 04/12/16 Initial release.
+ *
+ *****************************************************************************/
+
+
+#ifndef XDPDMA_H_
+/* Prevent circular inclusions by using protection macros. */
+#define XDPDMA_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***************************** Include Files **********************************/
+
+#include "xdpdma_hw.h"
+#include "xvidc.h"
+#include "xil_io.h"
+#include "xil_assert.h"
+#include "xstatus.h"
+#include "xavbuf.h"
+/************************** Constant Definitions ******************************/
+
+/* Alignment for DPDMA Descriptor and Payload */
+#define XDPDMA_DESCRIPTOR_ALIGN 256
+/* DPDMA preamble field */
+#define XDPDMA_DESCRIPTOR_PREAMBLE 0xA5
+/**************************** Type Definitions ********************************/
+
+/**
+ * This typedef describes the DPDMA descriptor structure and its internals
+ * which will be used when fetching data from a nonlive path
+ */
+typedef struct {
+ u32 Control; /**< [7:0] Descriptor Preamble
+ [8] Enable completion Interrupt
+ [9] Enable descriptor update
+ [10] Ignore Done
+ [11] AXI burst type
+ [15:12] AXACHE
+ [17:16] AXPROT
+ [18] Descriptor mode
+ [19] Last Descriptor
+ [20] Enable CRC
+ [21] Last descriptor frame
+ [31:22] Reserved */
+ u32 DSCR_ID; /**< [15:0] Descriptor ID
+ [31:16] Reserved */
+ u32 XFER_SIZE; /**< Size of transfer in bytes */
+ u32 LINE_SIZE_STRIDE; /**< [17:0] Horizontal Resolution
+ [31:18] Stride */
+ u32 LSB_Timestamp; /**< LSB of the Timestamp */
+ u32 MSB_Timestamp; /**< MSB of the Timestamp */
+ u32 ADDR_EXT; /**< [15:0] Next descriptor
+ extenstion
+ [31:16] SRC address extemsion */
+ u32 NEXT_DESR; /**< Address of next descriptor */
+ u32 SRC_ADDR; /**< Source Address */
+ u32 ADDR_EXT_23; /**< [15:0] Address extension for SRC
+ Address2
+ [31:16] Address extension for
+ SRC Address 3 */
+ u32 ADDR_EXT_45; /**< [15:0] Address extension for SRC
+ Address4
+ [31:16] Address extension for
+ SRC Address 5 */
+ u32 SRC_ADDR2; /**< Source address of 2nd page */
+ u32 SRC_ADDR3; /**< Source address of 3rd page */
+ u32 SRC_ADDR4; /**< Source address of 4th page */
+ u32 SRC_ADDR5; /**< Source address of 5th page */
+ u32 CRC; /**< Reserved */
+
+} XDpDma_Descriptor __attribute__ ((aligned(XDPDMA_DESCRIPTOR_ALIGN)));
+
+/**
+ * This typedef contains configuration information for the DPDMA.
+ */
+typedef struct {
+ u16 DeviceId; /**< Device ID */
+ u32 BaseAddr; /**< Base Address */
+} XDpDma_Config;
+
+/**
+ * The following data structure enumerates the types of
+ * DPDMA channels
+ */
+typedef enum {
+ VideoChan,
+ GraphicsChan,
+ AudioChan0,
+ AudioChan1,
+} XDpDma_ChannelType;
+
+/**
+ * This typedef lists the channel status.
+ */
+typedef enum {
+ XDPDMA_DISABLE,
+ XDPDMA_ENABLE,
+ XDPDMA_IDLE,
+ XDPDMA_PAUSE
+} XDpDma_ChannelState;
+
+/**
+ * This typedef is the information needed to transfer video info.
+ */
+typedef struct {
+ u64 Address;
+ u32 Size;
+ u32 Stride;
+ u32 LineSize;
+} XDpDma_FrameBuffer;
+/**
+ * This typedef is the information needed to transfer audio info.
+ */
+typedef struct {
+ u64 Address;
+ u64 Size;
+} XDpDma_AudioBuffer;
+
+/**
+ * This typedef defines the Video/Graphics Channel attributes.
+ */
+typedef struct {
+ XDpDma_Descriptor Descriptor0;
+ XDpDma_Descriptor Descriptor1;
+ XDpDma_Descriptor *Current;
+} XDpDma_Channel;
+
+/**
+ * This typedef defines the Video Channel attributes.
+ */
+typedef struct {
+ XDpDma_Channel Channel[3];
+ u8 TriggerStatus;
+ u8 AVBufEn;
+ XAVBuf_VideoAttribute *VideoInfo;
+ XDpDma_FrameBuffer *FrameBuffer[3];
+} XDpDma_VideoChannel;
+
+/**
+ * This typedef defines the Graphics Channel attributes.
+ */
+typedef struct {
+ XDpDma_Channel Channel;
+ u8 TriggerStatus;
+ u8 AVBufEn;
+ XAVBuf_VideoAttribute *VideoInfo;
+ XDpDma_FrameBuffer *FrameBuffer;
+} XDpDma_GfxChannel;
+
+/**
+ * This typedef defines the Audio Channel attributes.
+ */
+typedef struct {
+ XDpDma_Descriptor Descriptor0, Descriptor1, Descriptor2;
+ XDpDma_Descriptor Descriptor3, Descriptor4, Descriptor5;
+ XDpDma_Descriptor Descriptor6, Descriptor7;
+ XDpDma_Descriptor *Current;
+ u8 TriggerStatus;
+ XDpDma_AudioBuffer *Buffer;
+ u8 Used;
+} XDpDma_AudioChannel;
+/*************************************************************************/
+/**
+ * This callback type represents the handler for a DPDMA VSync interrupt.
+ *
+ * @param InstancePtr is a pointer to the XDpDma instance.
+ *
+ * @note None.
+ *
+**************************************************************************/
+typedef void (*XDpDma_VSyncInterruptHandler)(void *InstancePtr);
+
+/*************************************************************************/
+/**
+ * This callback type represents the handler for a DPDMA Done interrupt.
+ *
+ * @param InstancePtr is a pointer to the XDpDma instance.
+ *
+ * @note None.
+ *
+**************************************************************************/
+typedef void (*XDpDma_DoneInterruptHandler)(void *InstancePtr);
+
+/**
+ * The XDpDma driver instance data representing the DPDMA operation.
+ */
+typedef struct {
+ XDpDma_Config Config;
+ XDpDma_VideoChannel Video;
+ XDpDma_GfxChannel Gfx;
+ XDpDma_AudioChannel Audio[2];
+ XVidC_VideoTiming *Timing;
+ u8 QOS;
+
+ XDpDma_VSyncInterruptHandler VSyncHandler;
+ void * VSyncInterruptHandler;
+
+ XDpDma_DoneInterruptHandler DoneHandler;
+ void * DoneInterruptHandler;
+
+} XDpDma;
+
+void XDpDma_CfgInitialize(XDpDma *InstancePtr, XDpDma_Config *CfgPtr);
+XDpDma_Config *XDpDma_LookupConfig(u16 DeviceId);
+int XDpDma_SetChannelState(XDpDma *InstancePtr, XDpDma_ChannelType Channel,
+ XDpDma_ChannelState ChannelState);
+void XDpDma_SetQOS(XDpDma *InstancePtr, u8 QOS);
+void XDpDma_SetupChannel(XDpDma *InstancePtr, XDpDma_ChannelType Channel);
+int XDpDma_SetVideoFormat(XDpDma *InstancePtr, XAVBuf_VideoFormat Format);
+int XDpDma_SetGraphicsFormat(XDpDma *InstancePtr, XAVBuf_VideoFormat Format);
+void XDpDma_SetVideoTiming(XDpDma *InstancePtr, XVidC_VideoTiming *Timing);
+int XDpDma_Trigger(XDpDma *InstancePtr, XDpDma_ChannelType Channel);
+int XDpDma_ReTrigger(XDpDma *InstancePtr, XDpDma_ChannelType Channel);
+void XDpDma_InterruptEnable(XDpDma *InstancePtr, u32 Mask);
+void XDpDma_InterruptHandler(XDpDma *InstancePtr);
+void XDpDma_VSyncHandler(XDpDma *InstancePtr);
+void XDpDma_DoneHandler(XDpDma *InstancePtr);
+void XDpDma_InitVideoDescriptor(XDpDma_Descriptor *CurrDesc,
+ XDpDma_FrameBuffer *FrameBuffer);
+void XDpDma_DisplayVideoFrameBuffer(XDpDma *InstancePtr,
+ XDpDma_FrameBuffer *Plane1,
+ XDpDma_FrameBuffer *Plane2,
+ XDpDma_FrameBuffer *Plane3);
+void XDpDma_DisplayGfxFrameBuffer(XDpDma *InstancePtr,
+ XDpDma_FrameBuffer *Plane);
+void XDpDma_InitAudioDescriptor(XDpDma_AudioChannel *Channel,
+ XDpDma_AudioBuffer *AudioBuffer);
+int XDpDma_PlayAudio(XDpDma *InstancePtr, XDpDma_AudioBuffer *Buffer,
+ u8 ChannelNum);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XDPDMA_H_ */
projects / freertos / blobdiff