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| -rw-r--r-- | README.sgml | 88 |
1 files changed, 66 insertions, 22 deletions
diff --git a/README.sgml b/README.sgml index 2ec3e7b..196c5b7 100644 --- a/README.sgml +++ b/README.sgml @@ -1,20 +1,28 @@ -<!DOCTYPE linuxdoc PUBLIC "-//XFree86//DTD linuxdoc//EN"> +<!DOCTYPE linuxdoc PUBLIC "-//XFree86//DTD linuxdoc//EN" [ +<!ENTITY % defs SYSTEM "defs.ent"> %defs; +]> <article> <title> Information for Alliance Promotion chipset users -<author> Henrik Harmsen (Henrik.Harmsen@erv.ericsson.se) -<date> 23 February 1998 +<author> Loïc Grenié (<email>grenie@math.jussieu.fr</email>), + Henrik Harmsen (<email>Henrik.Harmsen@erv.ericsson.se</email>) +<date> 6 March 2000 +<ident> +$XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/apm.sgml,v 1.3 2000/03/08 05:38:43 dawes Exp $ +</ident> <toc> <sect> Support chipsets <p> The apm driver in the SVGA server is for Alliance Promotion -(www.alsc.com) graphics chipsets. The following chipsets are supported: +graphics chipsets. The following chipsets are supported: <itemize> <item> 6422 - Old chipset without color expansion hardware (text accel). + Old chipset. The driver is still very unstable, including computer + crashes. You would prefer using XFree86 3.3.x for this chipset. + <item> AT24 @@ -22,9 +30,9 @@ The apm driver in the SVGA server is for Alliance Promotion <item> AT25, AT3D - AT3D is found in Hercules Stingray 128/3D. Most other Voodoo - Rush based cards use the AT25 which is identical except it - doesn't have the 3D stuff in it. + AT3D is found in Hercules Stingray 128/3D. Most other Voodoo + Rush based cards use the AT25 which is identical except it + doesn't have the 3D stuff in it. </itemize> <sect> Acceleration @@ -36,27 +44,62 @@ SVGA server. It has support for the following acceleration: <item> Bitblts (rectangle copy operation) <item> Lines (solid, single pixel) <item> Filled rectangles -<item> CPU->Screen colour expansion (text accel). Not for 6422. -<item> Hardware cursor +<item> CPU->Screen image transfers. +<item> CPU->Screen colour expansion (text accel). +<item> Screen->Screen colour expansion (cached text accel). +<item> Mono 8x8 pattern fill. Not for 6422. +<item> Colour 8x8 pattern fill (in 8bpp). Not for 6422. +<item> Hardware cursor. +<item> Pixmap caching. </itemize> -All in 8, 16 and 32 bpp modes. No 24bpp mode is supported. -Also VESA DPMS power save mode is fully supported with "standby", +All in 8, 16 and 32 bpp modes. In 24bpp mode only Bitblts and Filled rectangles +is supported. Also VESA DPMS power save mode is fully supported with "standby", "suspend" and "off" modes (set with with the "xset dpms" command). +<sect> DGA +<p> +Full DGA 2.0 support with framebuffer access and drawing acceleration. + +<sect> Video +<p> +A limited hardware support for video decoding on AT24 and AT25/3D. It can +display an image in YUV colours inside the desktop. There are some more exotic +formats (YUV 4.1.1, YUV 4.0.0, RGB 8,16.32bpp). + +<sect> Shadow framebuffer +<p> +There is a mode, called shadow framebuffer, where the graphics is only used +to display the images. All rendering is done in memory in a so-called shadow +framebuffer. This mode is useful if you need lots of reading in the video +memory. You will have to put +<verb> + Option "ShadowFB" +</verb> + +in your XF86Config file. + <sect> Configuration <p> -First: Please run the XF86Setup program to create a correct +First: Please run the xf86config program to create a correct configuration. You can turn off hardware cursor by inserting the following line in the Device section of the XF86Config file: - - Option "sw_cursor" +<verb> + Option "SWcursor" +</verb> Or turn off hardware acceleration: - +<verb> Option "noaccel" +</verb> + +Or turn off MMIO + +<verb> + Option "nolinear" +</verb> Please don't specify the amount of video RAM you have or which chipset you have in the config file, let the driver probe for this. Also please @@ -65,13 +108,14 @@ a fully programmable clock that can take (almost) any modeline you throw at it. It might fail at some specific clock values but you should just try a slightly different clock and it should work. +<sect> glide2x +<p> +There is support for the XF86Rush extension for use with the glide2x library. - -<verb> -$XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/apm.sgml,v 1.1.2.2 1998/02/25 12:20:30 dawes Exp $ - +<sect> Questions +<p> +Any questions regarding this driver should be sent to Loïc Grenié. It should +be possible to add support for the 3210 chipset if someone needs it. -$Xorg: apm.sgml,v 1.3 2000/08/17 19:51:06 cpqbld Exp $ -</verb> </article> |