84 lines
2.0 KiB
Groff
84 lines
2.0 KiB
Groff
.\" $NetBSD: igmafb.4,v 1.3 2014/09/19 13:34:25 wiz Exp $
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.\"
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.\" Copyright (c) 2014 Michael van Elst
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd January 21, 2014
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.Dt IGMAFB 4
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.Os
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.Sh NAME
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.Nm igmafb
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.Nd Intel Graphics Media Accelerator framebuffer driver
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.Sh SYNOPSIS
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.Cd "options VGA_RASTERCONSOLE"
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.Cd "no options VGA_POST"
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.Cd "no agp"
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.Cd "no device at drm"
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.Cd "no genfb"
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.Cd "igma0 at pci0 dev ? function ?"
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.Cd "igmafb* at igma0"
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.Cd "iic* at igma0"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for integrated graphics functions in Intel chipsets
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and provides an interface for the machine independent
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.Xr wscons 4
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driver.
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.Pp
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Currently
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.Nm
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configures the display for the integrated panel in notebooks
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and can control the backlight.
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Automatic detection of the main display on desktop machines may or
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may not work.
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.Pp
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Supported hardware includes:
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.Bl -bullet -compact
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.It
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GMA 900 (915G)
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.It
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GMA 950 (945G)
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.It
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GMA 3000 (Q965)
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.It
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GMA X3000 (G965)
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.It
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GMA X3500 (G35)
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.It
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GMA X4500 (G45)
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.It
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HD (Westmere)
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.It
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HD2000/3000 (Sandy Bridge)
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.It
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HD2500/4000 (Ivy Bridge)
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.El
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.Sh SEE ALSO
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.Xr genfb 4 ,
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.Xr wsdisplay 4
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Michael van Elst .
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.Sh BUGS
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The driver conflicts with
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.Xr genfb 4 ,
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.Xr agp 4 ,
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and thus with
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.Xr drm 4 .
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Support for a hardware cursor is missing.
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