135 lines
4.2 KiB
Groff
135 lines
4.2 KiB
Groff
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.\" $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nsc/nsc.man,v 1.1 2002/12/10 15:12:23 alanh Exp $
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.\" shorthand for double quote that works everywhere.
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.ds q \N'34'
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.TH NSC __drivermansuffix__ __vendorversion__
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.SH NAME
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nsc \- Nsc video driver
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.SH SYNOPSIS
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.nf
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.B "Section \*qDevice\*q"
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.BI " Identifier \*q" devname \*q
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.B " Driver \*qnsc\*q"
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\ \ ...
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.B EndSection
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.fi
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.SH DESCRIPTION
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.B nsc
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is an __xservername__ driver for National Semiconductors GEODE processor family.
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It uses the DURANGO kit provided by National Semiconductor.
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The driver is accelerated, and provides support for the following
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framebuffer depths: 8, 16 and 24.
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.SH SUPPORTED HARDWARE
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The
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.B nsc
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driver supports GXLV (5530 companion chip), SC1200, SC1400 and
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GX2 (5535 companion chip).
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.SH CONFIGURATION DETAILS
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Please refer to __xconfigfile__(__filemansuffix__) for general configuration
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details. This section only covers configuration details specific to this
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driver.
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.PP
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The driver will auto-detect the amount of video memory present for all
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chips. If the amount of memory is detected incorrectly, the actual amount
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of video memory should be specified with a
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.B VideoRam
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entry in the config file
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.B \*qDevice\*q
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section.
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.PP
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The following driver
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.B Options
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are supported:
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.TP
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.BI "Option \*qSWCursor\*q \*q" boolean \*q
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Enable or disable the SW cursor.
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Default: off.
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.TP
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.BI "Option \*qHWCursor\*q \*q" boolean \*q
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Enable or disable the HW cursor.
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Default: on.
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.TP
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.BI "Option \*qNoAccel\*q \*q" boolean \*q
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Disable or enable acceleration.
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Default: acceleration is enabled.
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.TP
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.BI "Option \*qNoCompression\*q \*q" boolean \*q
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Disable or enable compression.
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Default: compression is enabled.
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.TP
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.BI "Option \*qShadowFB\*q \*q" boolean \*q
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Enable or disable use of the shadow framebuffer layer.
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Default: off.
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.TP
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.BI "Option \*qRotate\*q \*qCW\*q"
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Rotate the display clockwise. This mode is unaccelerated, and uses
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the Shadow Frame Buffer layer.
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Default: no rotation.
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.TP
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.BI "Option \*qRotate\*q \*qCCW\*q"
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Rotate the display counterclockwise. This mode is unaccelerated, and
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uses the Shadow Frame Buffer layer.
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Default: no rotation.
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.TP
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.BI "Option \*qFlatPanel\*q \*q" boolean \*q
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This enables the FlatPanel display unit. The FlatPanel depends on the
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BIOS to do the Panel h/w initialization.
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In GX2 based platforms with TFT part Flatpanel is enabled, and on CRT
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part is disabled.
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Default: off.
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.TP
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.BI "Option \*qOSMImageBuffers\*q \*q" integer \*q
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This sets the number of scanline buffers to be allocated in offscreen
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memory for acceleration. This can take any value 0 will disable the
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allocation. Disabled if cannot allocate requested scanline memory.
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Default: 20.
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.TP
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.BI "Option \*qColorKey\*q \*q" integer \*q
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This sets the default pixel value for the YUV video overlay key.
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Default: 0.
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.PP
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The following
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.B Options
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are supported only on SC1200 based platforms:
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.TP
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.BI "Option \*qTV\*q \*qPAL-768x576\*q"
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Selects the PAL TV display mode 768x576 and the depth is forced to 16 bpp.
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Default: no TV.
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.TP
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.BI "Option \*qTV\*q \*qPAL-720x576\*q"
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Selects the PAL TV display mode 720x576 and the depth is forced to 16 bpp.
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Default: no TV.
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.TP
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.BI "Option \*qTV\*q \*qNTSC-720x480\*q"
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Selects the NTSC TV display mode 720x480 and the depth is forced to 16 bpp.
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Default: no TV.
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.TP
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.BI "Option \*qTV\*q \*qNTSC-640x480\*q"
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Selects the NTSC TV display mode 640x480 and the depth is forced to 16 bpp.
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Default: no TV.
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.TP
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.BI "Option \*qTV_Output\*q \*qCOMPOSITE\*q"
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The selected TV mode output is coded for Composite signal.
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Default: no TV.
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.TP
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.BI "Option \*qTV_Output\*q \*qSVIDEO\*q"
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The selected TV mode output is coded for SVIDEO signal.
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Default: no TV.
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.TP
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.BI "Option \*qTV_Output\*q \*qYUV\*q"
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The selected TV mode output is coded for YUV signal.
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Default: no TV.
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.TP
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.BI "Option \*qTV_Output\*q \*qSCART\*q"
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The selected TV mode output is coded for SCART signal.
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Default: no TV.
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.TP
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.BI "Option \*qTVOverscan\*q \*xx:yy:ww:hh\*q"
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This option will let only the viewable display area smaller to be able to
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view on TV. The parameters xx: X-offset, yy: Y-offset, ww: Viewable width,
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hh: Viewable height.
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Default: no TV.
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.SH "SEE ALSO"
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__xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), xorgconfig(__appmansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
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.SH AUTHOR
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Author: Sarma V. Kolluru
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