www.pudn.com > SEED-DTK_VPM642v1.2.rar.rar > vport.h, change:2004-06-14,size:6776b
/*
* Copyright 2003 by Texas Instruments Incorporated.
* All rights reserved. Property of Texas Instruments Incorporated.
* Restricted rights to use, duplicate or disclose this code are
* granted through contract.
*
*/
/* "@(#) DDK 1.10.00.23 07-02-03 (ddk-b12)" */
/* "@(#) Driver Patch number 1.00.01" */
#ifndef _VPORT_H
#define _VPORT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <std.h>
#include <csl.h>
#include <iom.h>
#include <edc.h>
/* common for both capture and display drivers */
/* maximum number of video frame buffers */
#define VPORT_MAX_NUM_FRMBUFS 10
/* VPORT field operation mode */
#define VPORT_FLDOP_FLD1 0x1 /* field 1 cap/dis only */
#define VPORT_FLDOP_FLD2 0x2 /* field 2 cap/dis only */
#define VPORT_FLDOP_FRAME 0x4 /* frame cap/dis */
#define VPORT_FLDOP_PROGRESSIVE 0x5 /* progressive cap/dis */
/* VPORT video port operation mode */
#define VPORT_MODE_BT656_8BIT 0x0
#define VPORT_MODE_BT656_10BIT 0x1
#define VPORT_MODE_RAW_8BIT 0x2
#define VPORT_MODE_RAW_10BIT 0x3
#define VPORT_MODE_YCBCR_8BIT 0x4
#define VPORT_MODE_YCBCR_10BIT 0x5
#define VPORT_MODE_RAW_16BIT 0x6
#define VPORT_MODE_RAW_20BIT 0x7
/* VPORT external PIN POLARITY */
#define VPORT_POLARITY_ACTIVE_HIGH 0x0
#define VPORT_POLARITY_ACTIVE_LOW 0x11
/* video port HORIZONTAL scaling mode control */
/* 1/2 for capture, 2x for display */
#define VPORT_SCALING_DISABLE 0x0
#define VPORT_SCALING_ENABLE 0x1
/* video port HORIZONTAL chroma resampling mode control */
/* capture : 4:2:2 => 4:2:0 display: 4:2:0 => 4:2:2 */
#define VPORT_RESMPL_DISABLE 0x0
#define VPORT_RESMPL_ENABLE 0x1
#define VPORT_FLDS_SEPARATED 0
#define VPORT_FLDS_MERGED 1
/* Video mini-driver control command */
/* The following commands are common for both capture and display operation */
#define VPORT_CMD_RESET 0x10000001 /* video port reset command */
#define VPORT_CMD_CONFIG_PORT 0x10000002 /* configure video port */
#define VPORT_CMD_CONFIG_CHAN 0x10000003 /* configure video channel */
#define VPORT_CMD_START 0x10000004 /* start video port operation */
#define VPORT_CMD_STOP 0x10000005 /* stop video port operation */
#define VPORT_CMD_SET_VINTCB 0x10000006 /* set video channel error */
/* call-back function */
#define VPORT_CMD_DUND_RECOVER 0x10000007 /* force the recovery of */
/* display under-run */
#define VPORT_CMD_COVR_RECOVER 0x10000007 /* force the recovery of */
/* capture over-run */
/* base of control commands for external device */
/* that is stack under the video drivers */
/* external device control command base */
#define VPORT_CMD_EDC_BASE 0x80000000
/************************************************
* Error call-back function prototype *
************************************************/
/* Only one video port global interrupt call-back */
/* function can be defined for each channel/device */
/* pair. Multiple calls to setup the call-back */
/* function overwrite the previous setup. */
typedef void (*VPORT_IntCallBack)(Arg id, Arg mask);
/* video port interrupt masks */
#define VPORT_INT_COVR 0x0002 /* capture fifo over-run interrupt */
#define VPORT_INT_CCMP 0x0004 /* capture complete interrupt */
#define VPORT_INT_SERR 0x0008 /* synchronization error interrupt */
#define VPORT_INT_VINT1 0x0010 /* field 1 vertical interrupt */
#define VPORT_INT_VINT2 0x0020 /* field 2 vertical interrupt */
#define VPORT_INT_SFD 0x0040 /* short field detected interrupt */
#define VPORT_INT_LFD 0x0080 /* long field detected interrupt */
#define VPORT_INT_STC 0x0400 /* system time clock interrupt */
#define VPORT_INT_TICK 0x0800 /* clock tick interrupt */
#define VPORT_INT_DUND 0x1000 /* display fifo under-run */
#define VPORT_INT_DCMP 0x2000 /* display complete */
#define VPORT_INT_DCNA 0x4000 /* display complete not ackowledeged */
/* parameter structure to setup video port call-back functions */
typedef struct VPORT_VIntCbParams{
Int cbArg; /* call-back argument is for the */
/* application to identify which channel or */
/* device causes the interrupt */
VPORT_IntCallBack vIntCbFxn; /* pointer to the video port interrupt */
/* call-back function */
Uint16 vIntMask; /* interrupt mask, All masks OR together */
/* to indicate errors that are handled by */
/* by the call-back */
Uint16 vIntLine; /* line number where vertical interrupt */
/* occurs, don't care otherwise. */
Int irqId;
} VPORT_VIntCbParams;
/******************************************************************************
* Binding of external device control function tables to the video port *
* is done when _mdBindDev() is called at system initialization time. *
* A statically defined EDC function table is passed to the _mdBindDev() *
* function via the "devParam" argument. This argument must point to a *
* type of data structure that is defined below *
*****************************************************************************/
typedef struct VPORT_PortParams{
Bool dualChanEnable; /* dual channel mode enable */
Uns vc1Polarity; /* vport control pin 1 polarity */
Uns vc2Polarity; /* vport control pin 2 polarity */
Uns vc3Polarity; /* vport control pin 3 polarity */
EDC_Fxns* edcTbl[2]; /* function tables for edc modules */
Arg edcCtrlHandle;
} VPORT_PortParams;
#ifdef __cplusplus
}
#endif /* extern "C" */
#endif /* _VPORT_H */