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+.\" $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/chips.man,v 1.5 2002/01/04 21:22:27 tsi Exp $
+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH CHIPS __drivermansuffix__ __vendorversion__
+.SH NAME
+chips \- Chips and Technologies video driver
+.SH SYNOPSIS
+.nf
+.B "Section \*qDevice\*q"
+.BI "  Identifier \*q"  devname \*q
+.B  "  Driver \*qchips\*q"
+\ \ ...
+.B EndSection
+.fi
+.SH DESCRIPTION
+.B chips 
+is an XFree86 driver for Chips and Technologies video processors.  The majority
+of the Chips and Technologies chipsets are supported by this driver. In general
+the limitation on the capabilities of this driver are determined by the 
+chipset on which it is run. Where possible, this driver provides full
+acceleration and supports the following depths: 1, 4, 8, 15, 16, 24 and on
+the latest chipsets an 8+16 overlay mode. All visual types are supported for
+depth 1, 4 and 8 and both TrueColor and DirectColor visuals are supported
+where possible. Multi-head configurations are supported on PCI or AGP buses.
+.SH SUPPORTED HARDWARE
+The
+.B chips
+driver supports video processors on most of the bus types currently available.
+The chipsets supported fall into one of three architectural classes. A
+.B basic
+architecture, the
+.B WinGine
+architecture and the newer
+.B HiQV
+architecture.
+.PP
+.B Basic Architecture
+.PP
+The supported chipsets are
+.B ct65520, ct65525, ct65530, ct65535, ct65540, ct65545, ct65546
+and 
+.B ct65548
+.PP
+Color depths 1, 4 and 8 are supported on all chipsets, while depths 15, 16
+and 24 are supported only on the
+.B 65540, 65545, 65546
+and 
+.B 65548
+chipsets. The driver is accelerated when used with the
+.B 65545, 65546
+or
+.B 65548
+chipsets, however the DirectColor visual is not available.
+.PP
+.B Wingine Architecture
+.PP
+The supported chipsets are
+.B ct64200
+and 
+.B ct64300
+.PP
+Color depths 1, 4 and 8 are supported on both chipsets, while depths 15, 16
+and 24 are supported only on the
+.B 64300
+chipsets. The driver is accelerated when used with the
+.B 64300
+chipsets, however the DirectColor visual is not available.
+.PP
+.B HiQV Architecture
+.PP
+The supported chipsets are
+.B ct65550, ct65554, ct65555, ct68554, ct69000
+and 
+.B ct69030
+.PP
+Color depths 1, 4, 8, 15, 16, 24 and 8+16 are supported on all chipsets.
+The DirectColor visual is supported on all color depths except the 8+16
+overlay mode. Full acceleration is supplied for all chipsets.
+.SH CONFIGURATION DETAILS
+Please refer to XF86Config(__filemansuffix__) for general configuration
+details.  This section only covers configuration details specific to this
+driver.
+.PP
+The driver auto-detects the chipset type, but the following
+.B ChipSet
+names may optionally be specified in the config file
+.B \*qDevice\*q
+section, and will override the auto-detection:
+.PP
+.RS 4
+"ct65520", "ct65525", "ct65530", "ct65535", "ct65540", "ct65545", "ct65546",
+"ct65548", "ct65550", "ct65554", "ct65555", "ct68554", "ct69000", "ct69030",
+"ct64200", "ct64300".
+.RE
+.PP
+The driver will auto-detect the amount of video memory present for all
+chipsets.  But maybe overridden with the
+.B VideoRam
+entry in the config file
+.B \*qDevice\*q
+section.
+.PP
+The following driver
+.B Options
+are supported, on one or more of the supported chipsets:
+.TP
+.BI "Option \*qNoAccel\*q \*q" boolean \*q
+Disable or enable acceleration.  Default: acceleration is enabled.
+.TP
+.BI "Option \*qNoLinear\*q \*q" boolean \*q
+Disables linear addressing in cases where it is enabled by default.
+Default: off
+.TP
+.BI "Option \*qLinear\*q \*q" boolean \*q
+Enables linear addressing in cases where it is disabled by default.
+Default: off
+.TP
+.BI "Option \*qHWCursor\*q \*q" boolean \*q
+Enable or disable the HW cursor.  Default: on.
+.TP
+.BI "Option \*qSWCursor\*q \*q" boolean \*q
+Enable or disable the HW cursor.  Default: off.
+.TP
+.BI "Option \*qSTN\*q \*q" boolean \*q
+Force detection of STN screen type. Default: off.
+.TP
+.BI "Option \*qUseModeline\*q \*q" boolean \*q
+Reprogram flat panel timings with values from the modeline. Default: off
+.TP
+.BI "Option \*qFixPanelSize\*q \*q" boolean \*q
+Reprogram flat panel size with values from the modeline. Default: off
+.TP
+.BI "Option \*qNoStretch\*q \*q" boolean \*q
+This option disables the stretching on a mode on a flat panel to fill the
+screen. Default: off
+.TP
+.BI "Option \*qLcdCenter\*q \*q" boolean \*q
+Center the mode displayed on the flat panel on the screen. Default: off
+.TP
+.BI "Option \*qHWclocks\*q \*q" boolean \*q
+Force the use of fixed hardware clocks on chips that support both fixed
+and programmable clocks. Default: off
+.TP
+.BI "Option \*qUseVclk1\*q \*q" boolean \*q
+Use the Vclk1 programmable clock on
+.B HiQV
+chipsets instead of Vclk2. Default: off
+.TP
+.BI "Option \*qFPClock8\*q \*q" float \*q
+.TP
+.BI "Option \*qFPClock16\*q \*q" float \*q
+.TP
+.BI "Option \*qFPClock24\*q \*q" float \*q
+.TP
+.BI "Option \*qFPClock32\*q \*q" float \*q
+Force the use of a particular video clock speed for use with the 
+flat panel at a specified depth
+.TP
+.BI "Option \*qMMIO\*q \*q" boolean \*q
+Force the use of memory mapped IO for acceleration registers. Default: off
+.TP
+.BI "Option \*qFullMMIO\*q \*q" boolean \*q
+Force the use of memory mapped IO where it can be used. Default: off
+.TP
+.BI "Option \*qSuspendHack\*q \*q" boolean \*q
+Force driver to leave centering and stretching registers alone. This
+can fix some laptop suspend/resume problems. Default: off
+.TP
+.BI "Option \*qOverlay\*q"
+Enable 8+24 overlay mode.  Only appropriate for depth 24.  Default: off.
+.TP
+.BI "Option \*qColorKey\*q \*q" integer \*q
+Set the colormap index used for the transparency key for the depth 8 plane
+when operating in 8+16 overlay mode.  The value must be in the range
+2\-255.  Default: 255.
+.TP
+.BI "Option \*qVideoKey\*q \*q" integer \*q
+This sets the default pixel value for the YUV video overlay key.
+Default: undefined.
+.TP
+.BI "Option \*qShadowFB\*q \*q" boolean \*q
+Enable or disable use of the shadow framebuffer layer.  Default: off.
+.TP
+.BI "Option \*qSyncOnGreen\*q \*q" boolean \*q
+Enable or disable combining the sync signals with the green signal.
+Default: off.
+.TP
+.BI "Option \*qShowCache\*q \*q" boolean \*q
+Enable or disable viewing offscreen memory. Used for debugging only
+Default: off.
+.TP
+.BI "Option \*q18bitBus\*q \*q" boolean \*q
+Force the driver to assume that the flat panel has an 18bit data bus.
+Default: off.
+.TP
+.BI "Option \*qCrt2Memory\*q \*q" integer \*q
+In a dual-head mode (69030 only) this option selects the amount of memory
+to set aside for the second head. If not specified, half the memory is used.
+Default: off.
+.TP
+.BI "Option \*qDualRefresh\*q \*q" integer \*q
+The 69030 supports independent refresh rates on its two display channels.
+This mode of operations uses additional memory bandwidth and thus limits
+the maximum colour depth and refresh rate that can be achieved, and so is
+off by default.  Using this option forces the use of an independent refresh
+rate on the two screens.
+Default: off.
+.SH "SEE ALSO"
+XFree86(1), XF86Config(__filemansuffix__), xf86config(1), Xserver(1), X(__miscmansuffix__)
+.PP
+You are also recommended to read the README.chips file that comes with all
+XFree86 distributions, which discusses the
+.B chips
+driver in more detail.
+.SH AUTHORS
+Authors include: Jon Block, Mike Hollick, Regis Cridlig, Nozomi Ytow,
+Egbert Eich, David Bateman and Xavier Ducoin
+