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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 $ 
+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH NSC __drivermansuffix__ __vendorversion__
+.SH NAME
+nsc \- Nsc video driver
+.SH SYNOPSIS
+.nf
+.B "Section \*qDevice\*q"
+.BI "  Identifier \*q"  devname \*q
+.B  "  Driver \*qnsc\*q"
+\ \ ...
+.B EndSection
+.fi
+.SH DESCRIPTION
+.B nsc
+is an __xservername__ 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.
+.SH SUPPORTED HARDWARE
+The
+.B nsc
+driver supports GXLV (5530 companion chip), SC1200, SC1400 and
+GX2 (5535 companion chip).
+.SH CONFIGURATION DETAILS
+Please refer to __xconfigfile__(__filemansuffix__) for general configuration
+details.  This section only covers configuration details specific to this
+driver.
+.PP
+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
+.B VideoRam
+entry in the config file
+.B \*qDevice\*q
+section.
+.PP
+The following driver
+.B Options
+are supported:
+.TP
+.BI "Option \*qSWCursor\*q \*q" boolean \*q
+Enable or disable the SW cursor.  
+Default: off.
+.TP
+.BI "Option \*qHWCursor\*q \*q" boolean \*q
+Enable or disable the HW cursor.  
+Default: on.
+.TP
+.BI "Option \*qNoAccel\*q \*q" boolean \*q
+Disable or enable acceleration.  
+Default: acceleration is enabled.
+.TP
+.BI "Option \*qNoCompression\*q \*q" boolean \*q
+Disable or enable compression.  
+Default: compression is enabled.
+.TP
+.BI "Option \*qShadowFB\*q \*q" boolean \*q
+Enable or disable use of the shadow framebuffer layer.  
+Default: off.
+.TP
+.BI "Option \*qRotate\*q \*qCW\*q"
+Rotate the display clockwise. This mode is unaccelerated, and uses
+the Shadow Frame Buffer layer.
+Default: no rotation.
+.TP
+.BI "Option \*qRotate\*q \*qCCW\*q"
+Rotate the display counterclockwise. This mode is unaccelerated, and
+uses the Shadow Frame Buffer layer.
+Default: no rotation.
+.TP
+.BI "Option \*qFlatPanel\*q \*q" boolean \*q
+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.
+.TP
+.BI "Option \*qOSMImageBuffers\*q \*q" integer \*q
+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.
+.TP
+.BI "Option \*qColorKey\*q \*q" integer \*q
+This sets the default pixel value for the YUV video overlay key.
+Default: 0.
+.PP
+The following 
+.B Options
+are supported only on SC1200 based platforms:
+.TP
+.BI "Option \*qTV\*q \*qPAL-768x576\*q"
+Selects the PAL TV display mode 768x576 and the depth is forced to 16 bpp.
+Default: no TV.
+.TP
+.BI "Option \*qTV\*q \*qPAL-720x576\*q"
+Selects the PAL TV display mode 720x576 and the depth is forced to 16 bpp.
+Default: no TV.
+.TP
+.BI "Option \*qTV\*q \*qNTSC-720x480\*q"
+Selects the NTSC TV display mode 720x480 and the depth is forced to 16 bpp.
+Default: no TV.
+.TP
+.BI "Option \*qTV\*q \*qNTSC-640x480\*q"
+Selects the NTSC TV display mode 640x480 and the depth is forced to 16 bpp.
+Default: no TV.
+.TP
+.BI "Option \*qTV_Output\*q \*qCOMPOSITE\*q"
+The selected TV mode output is coded for Composite signal.
+Default: no TV.
+.TP
+.BI "Option \*qTV_Output\*q \*qSVIDEO\*q"
+The selected TV mode output is coded for SVIDEO signal.
+Default: no TV.
+.TP
+.BI "Option \*qTV_Output\*q \*qYUV\*q"
+The selected TV mode output is coded for YUV signal.
+Default: no TV.
+.TP
+.BI "Option \*qTV_Output\*q \*qSCART\*q"
+The selected TV mode output is coded for SCART signal.
+Default: no TV.
+.TP
+.BI "Option \*qTVOverscan\*q \*xx:yy:ww:hh\*q"
+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.
+.SH "SEE ALSO"
+__xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), xorgconfig(__appmansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
+.SH AUTHOR
+Author: Sarma V. Kolluru