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| -rw-r--r-- | Documentation/fb/intel810.rst (renamed from Documentation/fb/intel810.txt) | 79 |
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diff --git a/Documentation/fb/intel810.txt b/Documentation/fb/intel810.rst index a8e9f5bca6f3..eb86098db91f 100644 --- a/Documentation/fb/intel810.txt +++ b/Documentation/fb/intel810.rst @@ -1,26 +1,31 @@ +================================ Intel 810/815 Framebuffer driver - Tony Daplas <adaplas@pol.net> - http://i810fb.sourceforge.net +================================ - March 17, 2002 +Tony Daplas <adaplas@pol.net> - First Released: July 2001 - Last Update: September 12, 2005 -================================================================ +http://i810fb.sourceforge.net + +March 17, 2002 + +First Released: July 2001 +Last Update: September 12, 2005 A. Introduction +=============== This is a framebuffer driver for various Intel 810/815 compatible graphics devices. These include: - Intel 810 - Intel 810E - Intel 810-DC100 - Intel 815 Internal graphics only, 100Mhz FSB - Intel 815 Internal graphics only - Intel 815 Internal graphics and AGP + - Intel 810 + - Intel 810E + - Intel 810-DC100 + - Intel 815 Internal graphics only, 100Mhz FSB + - Intel 815 Internal graphics only + - Intel 815 Internal graphics and AGP B. Features +============ - Choice of using Discrete Video Timings, VESA Generalized Timing Formula, or a framebuffer specific database to set the video mode @@ -45,10 +50,11 @@ B. Features - Can concurrently run with xfree86 running with native i810 drivers - Hardware Cursor Support - + - Supports EDID probing either by DDC/I2C or through the BIOS C. List of available options +============================= a. "video=i810fb" enables the i810 driver @@ -158,7 +164,7 @@ C. List of available options (default = not set) n. "dcolor" - Use directcolor visual instead of truecolor for pixel depths greater + Use directcolor visual instead of truecolor for pixel depths greater than 8 bpp. Useful for color tuning, such as gamma control. Recommendation: do not set @@ -167,35 +173,37 @@ C. List of available options o. <xres>x<yres>[-<bpp>][@<refresh>] The driver will now accept specification of boot mode option. If this is specified, the options 'xres' and 'yres' will be ignored. See - Documentation/fb/modedb.txt for usage. + Documentation/fb/modedb.rst for usage. D. Kernel booting +================= Separate each option/option-pair by commas (,) and the option from its value -with a colon (:) as in the following: +with a colon (:) as in the following:: -video=i810fb:option1,option2:value2 + video=i810fb:option1,option2:value2 Sample Usage ------------ -In /etc/lilo.conf, add the line: +In /etc/lilo.conf, add the line:: -append="video=i810fb:vram:2,xres:1024,yres:768,bpp:8,hsync1:30,hsync2:55, \ - vsync1:50,vsync2:85,accel,mtrr" + append="video=i810fb:vram:2,xres:1024,yres:768,bpp:8,hsync1:30,hsync2:55, \ + vsync1:50,vsync2:85,accel,mtrr" This will initialize the framebuffer to 1024x768 at 8bpp. The framebuffer will use 2 MB of System RAM. MTRR support will be enabled. The refresh rate will be computed based on the hsync1/hsync2 and vsync1/vsync2 values. IMPORTANT: -You must include hsync1, hsync2, vsync1 and vsync2 to enable video modes -better than 640x480 at 60Hz. HOWEVER, if your chipset/display combination -supports I2C and has an EDID block, you can safely exclude hsync1, hsync2, -vsync1 and vsync2 parameters. These parameters will be taken from the EDID -block. + You must include hsync1, hsync2, vsync1 and vsync2 to enable video modes + better than 640x480 at 60Hz. HOWEVER, if your chipset/display combination + supports I2C and has an EDID block, you can safely exclude hsync1, hsync2, + vsync1 and vsync2 parameters. These parameters will be taken from the EDID + block. E. Module options +================== The module parameters are essentially similar to the kernel parameters. The main difference is that you need to include a Boolean value @@ -206,31 +214,32 @@ Example, to enable MTRR, include "mtrr=1". Sample Usage ------------ -Using the same setup as described above, load the module like this: +Using the same setup as described above, load the module like this:: modprobe i810fb vram=2 xres=1024 bpp=8 hsync1=30 hsync2=55 vsync1=50 \ - vsync2=85 accel=1 mtrr=1 + vsync2=85 accel=1 mtrr=1 -Or just add the following to a configuration file in /etc/modprobe.d/ +Or just add the following to a configuration file in /etc/modprobe.d/:: options i810fb vram=2 xres=1024 bpp=16 hsync1=30 hsync2=55 vsync1=50 \ vsync2=85 accel=1 mtrr=1 -and just do a +and just do a:: modprobe i810fb F. Setup +========= - a. Do your usual method of configuring the kernel. + a. Do your usual method of configuring the kernel - make menuconfig/xconfig/config + make menuconfig/xconfig/config b. Under "Code maturity level options" enable "Prompt for development and/or incomplete code/drivers". - c. Enable agpgart support for the Intel 810/815 on-board graphics. + c. Enable agpgart support for the Intel 810/815 on-board graphics. This is required. The option is under "Character Devices". d. Under "Graphics Support", select "Intel 810/815" either statically @@ -242,7 +251,7 @@ F. Setup set 'Enable DDC Support' to 'y'. To make this option appear, set 'use VESA Generalized Timing Formula' to 'y'. - f. If you want a framebuffer console, enable it under "Console + f. If you want a framebuffer console, enable it under "Console Drivers". g. Compile your kernel. @@ -253,6 +262,7 @@ F. Setup patch to see the chipset in action (or inaction :-). G. Acknowledgment: +=================== 1. Geert Uytterhoeven - his excellent howto and the virtual framebuffer driver code made this possible. @@ -269,10 +279,9 @@ G. Acknowledgment: optimizations possible. H. Home Page: +============== A more complete, and probably updated information is provided at http://i810fb.sourceforge.net. -########################### Tony - |