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nsc (4)
  • >> nsc (4) ( Linux man: Специальные файлы /dev/* )
  •  

    NAME

    nsc - Nsc video driver
     
    

    SYNOPSIS

    Section N'34'DeviceN'34'
      Identifier N'34'devnameN'34'
      Driver N'34'nscN'34'
      ...
    EndSection
    
     

    DESCRIPTION

    nsc is an Xorg driver for National Semiconductors GEODE processor family. It uses the DURANGO kit provided by National Semiconductor. The driver is accelerated, and provides support for the following framebuffer depths: 8, 16 and 24.  

    SUPPORTED HARDWARE

    The nsc driver supports GXLV (5530 companion chip), SC1200, SC1400 and GX2 (5535 companion chip).  

    CONFIGURATION DETAILS

    Please refer to xorg.conf(5) for general configuration details. This section only covers configuration details specific to this driver.

    The driver will auto-detect the amount of video memory present for all chips. If the amount of memory is detected incorrectly, the actual amount of video memory should be specified with a VideoRam entry in the config file N'34'DeviceN'34' section.

    The following driver Options are supported:

    Option N'34'SWCursorN'34' N'34'booleanN'34'
    Enable or disable the SW cursor. Default: off.
    Option N'34'HWCursorN'34' N'34'booleanN'34'
    Enable or disable the HW cursor. Default: on.
    Option N'34'NoAccelN'34' N'34'booleanN'34'
    Disable or enable acceleration. Default: acceleration is enabled.
    Option N'34'NoCompressionN'34' N'34'booleanN'34'
    Disable or enable compression. Default: compression is enabled.
    Option N'34'ShadowFBN'34' N'34'booleanN'34'
    Enable or disable use of the shadow framebuffer layer. Default: off.
    Option N'34'RotateN'34' N'34'CWN'34'
    Rotate the display clockwise. This mode is unaccelerated, and uses the Shadow Frame Buffer layer. Default: no rotation.
    Option N'34'RotateN'34' N'34'CCWN'34'
    Rotate the display counterclockwise. This mode is unaccelerated, and uses the Shadow Frame Buffer layer. Default: no rotation.
    Option N'34'FlatPanelN'34' N'34'booleanN'34'
    This enables the FlatPanel display unit. The FlatPanel depends on the BIOS to do the Panel h/w initialization. In GX2 based platforms with TFT part Flatpanel is enabled, and on CRT part is disabled. Default: off.
    Option N'34'OSMImageBuffersN'34' N'34'integerN'34'
    This sets the number of scanline buffers to be allocated in offscreen memory for acceleration. This can take any value 0 will disable the allocation. Disabled if cannot allocate requested scanline memory. Default: 20.
    Option N'34'ColorKeyN'34' N'34'integerN'34'
    This sets the default pixel value for the YUV video overlay key. Default: 0.

    The following Options are supported only on SC1200 based platforms:

    Option N'34'TVN'34' N'34'PAL-768x576N'34'
    Selects the PAL TV display mode 768x576 and the depth is forced to 16 bpp. Default: no TV.
    Option N'34'TVN'34' N'34'PAL-720x576N'34'
    Selects the PAL TV display mode 720x576 and the depth is forced to 16 bpp. Default: no TV.
    Option N'34'TVN'34' N'34'NTSC-720x480N'34'
    Selects the NTSC TV display mode 720x480 and the depth is forced to 16 bpp. Default: no TV.
    Option N'34'TVN'34' N'34'NTSC-640x480N'34'
    Selects the NTSC TV display mode 640x480 and the depth is forced to 16 bpp. Default: no TV.
    Option N'34'TV_OutputN'34' N'34'COMPOSITEN'34'
    The selected TV mode output is coded for Composite signal. Default: no TV.
    Option N'34'TV_OutputN'34' N'34'SVIDEON'34'
    The selected TV mode output is coded for SVIDEO signal. Default: no TV.
    Option N'34'TV_OutputN'34' N'34'YUVN'34'
    The selected TV mode output is coded for YUV signal. Default: no TV.
    Option N'34'TV_OutputN'34' N'34'SCARTN'34'
    The selected TV mode output is coded for SCART signal. Default: no TV.
    Option N'34'TVOverscanN'34' x:yy:ww:hhN'34'
    This option will let only the viewable display area smaller to be able to view on TV. The parameters xx: X-offset, yy: Y-offset, ww: Viewable width, hh: Viewable height. Default: no TV.
     

    SEE ALSO

    Xorg(1), xorg.conf(5), xorgconfig(1), Xserver(1), X(7)  

    AUTHOR

    Author: Sarma V. Kolluru


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SUPPORTED HARDWARE
    CONFIGURATION DETAILS
    SEE ALSO
    AUTHOR


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