Table of Contents
via - VIA video driver
Section "Device"
Identifier "devname"
Driver "via"
...
EndSection
via is an XFree86 driver for VIA video chipsets.
The via driver
supports the VIA CLE266 (CLE3122, CLE3022) chipset video and the VIA KM400/K8M800
VT3204/5/7204/5 video, including 2D acceleration and the Xv video overlay
extensions. Flat panel, TV and VGA outputs are supported.
Direct rendering
3D is available for this device only using XFree86 4.2 builds. If you are
interested in porting the DRI support to current XFree86 then please see
the DRI project on sourceforge.net.
Please refer to
XF86Config(5)
for general configuration details. This section only covers
configuration details specific to this driver.
The following driver Options
are supported:
- Option "NoAccel" "boolean"
- Disable or enable acceleration.
Default: acceleration is enabled.
- Option "HWCursor" "boolean"
- Disable or
enable use of hardware cursors. The default is enabled.
- Option "SWCursor"
"boolean"
- Disable or enable the use of a software cursor. The default is
disabled.
- Option "ShadowFB" "boolean"
- Use a shadow frame buffer. This is
required when rotating the display, but otherwise defaults to disabled.
- Option "UseBIOS" "boolean"
- Use the video BIOS to set modes. Default false.
- Option "VideoRAM" "boolean"
- Override the VideoRAM auto detection. This should
never be needed.
- Option "Rotate" "string"
- Rotate the display either clockwise
("CW") or counter clockwise ("CCW"). Rotation is only supported unaccelerated.
- Option "ActiveDevice" "string"
- Specify the active device combination. The
choices are "CRT,TV", "CRT,LCD", "CRT,DFP", "TV,DFP", "CRT", "LCD", or
"DFP", for the various supported combinations of VGA CRT output, LCD panel
output, DFP output and TV output.
- Option "LCDDualEdge" "boolean"
- Use dual
edge mode to set the LCD.
- Option "Center" "boolean"
- Disable or enable image
centering on DVI displays.
- Option "PanelSize" "string"
- Specify the size
(width x height) of the LCD panel attached to the system. Sizes 640x480,
800x600, 1024x768, 1280x1024, and 1400x1050 are supported.
- Option "TVDotCrawl"
"boolean"
- Disable or enable dotcrawl.
- Option "TVType" "string"
- Specify TV
output format. The driver currently supports NTSC and PAL timings only.
- Option
"TVOutput" "string"
- Specify which TV output to use. The driver supports
"S-Video", "Composite", "SC", "RGB" and "YCbCr" outputs. Note that on many
boards the composite video port is shared with audio out and jumper selected.
- Option "TVVScan" "string"
- Specify whether to underscan the TV image (bordering
it with black), or overscan it (losing the edges of the picture).
- Option
"TVHScale" "string"
- Not yet implemented.
- Option "TVEncoder" "string"
- Specify
which TV encoder chip is attached to the system. The driver currently supports
the VT1621 and VT1622 encoders.
- Option "Refresh" "integer"
- Specify the desired
refresh.
- Option "DisableVQ" "boolean"
- Disable or enable the use of VQ. VQ
is enabled by default.
- Option "Cap0Deinterlace" "string"
- Set the capture
0 port interlace mode to either Bob or Weave.
- Option "Cap1Deinterlace" "string"
- Set the capture 1 port interlace mode to either Bob or Weave.
- Option "Cap0FieldSwap"
"string"
- Perform field swapping on capture port 0.
- Option "DRIXINERAMA"
"boolean"
- Set DRI Xinerama mode. Currently unsupported.
XFree86(1)
,
XF86Config(5)
, xf86config(1)
, Xserver(1)
, X(7)
Authors include:
...
Table of Contents