vosupport.c

用于TM1300/PNX1300系列DSP（主要用于视频处理）的设备库的源码

/*
 * Copyright (c) 1995-1999 by TriMedia Technologies. 
 *
 * +------------------------------------------------------------------+
 * | This software is furnished under a license and may only be used  |
 * | and copied in accordance with the terms and conditions of  such  |
 * | a license and with the inclusion of this copyright notice. This  |
 * | software or any other copies of this software may not be provided|
 * | or otherwise made available to any other person.  The ownership  |
 * | and title of this software is not transferred.                   |
 * |                                                                  |
 * | The information in this software is subject  to change without   |
 * | any  prior notice and should not be construed as a commitment by |
 * | TriMedia Technologies.                                           |
 * |                                                                  |
 * | this code and information is provided "as is" without any        |
 * | warranty of any kind, either expressed or implied, including but |
 * | not limited to the implied warranties of merchantability and/or  |
 * | fitness for any particular purpose.                              |
 * +------------------------------------------------------------------+
 *
 *  Module name              : voSupport.c    1.5
 *
 *  Last update              : 18:43:51 - 00/11/09
 *
 *  Description              :
 *      Trimedia Video Out support file.
 *
 *  Revision                 :
 *
 */

#include <tm1/tmAvFormats.h>
#include <tmlib/tmtypes.h>
#include <tm1/mmio.h>
#include <tm1/tmVOmmio.h>
#include <tm1/tmLibdevErr.h>
#include "voSupport.h"

extern tmLibdevErr_t
voSupportNTSC(void)
{
    voSetFRAME_PRESET__CHECK(1);
    voSetFRAME_FIELD2_START__CHECK(264);
    voSetFRAME_LENGTH__CHECK(525);
    voSetF2OLAP__CHECK(3);
    voSetF1OLAP__CHECK(2);
    voSetF1VIDEO_LINE__CHECK(20);
    voSetF2VIDEO_LINE__CHECK(283);
    voSetVIDEO_PIXEL_START__CHECK(138);
    voSetFRAME_WIDTH__CHECK(858);
    return TMLIBDEV_OK;
}

extern tmLibdevErr_t
voSupportPAL(void)
{
    voSetFRAME_PRESET__CHECK(1);
    voSetFRAME_FIELD2_START__CHECK(311);
    voSetFRAME_LENGTH__CHECK(625);
    voSetF2OLAP__CHECK(0x0E);
    voSetF1OLAP__CHECK(2);
    voSetF1VIDEO_LINE__CHECK(23);
    voSetF2VIDEO_LINE__CHECK(336);
    voSetVIDEO_PIXEL_START__CHECK(144);
    voSetFRAME_WIDTH__CHECK(864);
    
    return TMLIBDEV_OK;
}

extern tmLibdevErr_t
voSupport720x480p(void)
{
    voSetFRAME_LENGTH__CHECK( 525 );
    voSetF2OLAP__CHECK( 0 );
    voSetF1OLAP__CHECK( 0 );
    voSetF1VIDEO_LINE__CHECK( 20 );
    voSetFRAME_FIELD2_START__CHECK( 520 );
    voSetF2VIDEO_LINE__CHECK(  525+23 );
    voSetVIDEO_PIXEL_START__CHECK( 128 );
    voSetFRAME_WIDTH__CHECK( 858 );
    voSetFRAME_PRESET__CHECK(1);

    return TMLIBDEV_OK;
}

extern tmLibdevErr_t
voSupport768x576p(void)
{
    voSetFRAME_FIELD2_START__CHECK(620);
    voSetFRAME_LENGTH__CHECK(625);
    voSetF2OLAP__CHECK(0x0E);
    voSetF1OLAP__CHECK(0);
    voSetF1VIDEO_LINE__CHECK(10);
    voSetF2VIDEO_LINE__CHECK(625+23);
    voSetVIDEO_PIXEL_START__CHECK(128);
    voSetFRAME_WIDTH__CHECK(864);
    voSetFRAME_PRESET__CHECK(1);

    return TMLIBDEV_OK;
}

extern tmLibdevErr_t
voSupport960x540p()
{
    voSetFRAME_PRESET__CHECK(1);
    voSetFRAME_FIELD2_START__CHECK(560);
    voSetFRAME_LENGTH__CHECK(1125);
    voSetF2OLAP__CHECK(0);
    voSetF1OLAP__CHECK(0);
    voSetF1VIDEO_LINE__CHECK(20);
    voSetF2VIDEO_LINE__CHECK(583);
    voSetVIDEO_PIXEL_START__CHECK(130);
    voSetFRAME_WIDTH__CHECK(1100);

    return TMLIBDEV_OK;
}