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-rw-r--r--Documentation/fb/sstfb.txt42
1 files changed, 21 insertions, 21 deletions
diff --git a/Documentation/fb/sstfb.txt b/Documentation/fb/sstfb.txt
index 628d7ffa8769..df27f5bf15db 100644
--- a/Documentation/fb/sstfb.txt
+++ b/Documentation/fb/sstfb.txt
@@ -48,12 +48,12 @@ Module Usage
48 48
49 Module insertion: 49 Module insertion:
50 # insmod sstfb.o 50 # insmod sstfb.o
51 you should see some strange output frome the board: 51 you should see some strange output from the board:
52 a big blue square, a green and a red small squares and a vertical 52 a big blue square, a green and a red small squares and a vertical
53 white rectangle. why ? the function's name is self explanatory : 53 white rectangle. why? the function's name is self-explanatory:
54 "sstfb_test()"... 54 "sstfb_test()"...
55 (if you don't have a second monitor, you'll have to plug your monitor 55 (if you don't have a second monitor, you'll have to plug your monitor
56 directely to the 2D videocard to see what you're typing) 56 directly to the 2D videocard to see what you're typing)
57 # con2fb /dev/fbx /dev/ttyx 57 # con2fb /dev/fbx /dev/ttyx
58 bind a tty to the new frame buffer. if you already have a frame 58 bind a tty to the new frame buffer. if you already have a frame
59 buffer driver, the voodoo fb will likely be /dev/fb1. if not, 59 buffer driver, the voodoo fb will likely be /dev/fb1. if not,
@@ -72,12 +72,12 @@ Module Usage
72 72
73Kernel/Modules Options 73Kernel/Modules Options
74 74
75 You can pass some otions to sstfb module, and via the kernel command 75 You can pass some options to the sstfb module, and via the kernel
76 line when the driver is compiled in : 76 command line when the driver is compiled in:
77 for module : insmod sstfb.o option1=value1 option2=value2 ... 77 for module : insmod sstfb.o option1=value1 option2=value2 ...
78 in kernel : video=sstfb:option1,option2:value2,option3 ... 78 in kernel : video=sstfb:option1,option2:value2,option3 ...
79 79
80 sstfb supports the folowing options : 80 sstfb supports the following options :
81 81
82Module Kernel Description 82Module Kernel Description
83 83
@@ -95,11 +95,11 @@ inverse=1 inverse Supposed to enable inverse console.
95 95
96clipping=1 clipping Enable or disable clipping. 96clipping=1 clipping Enable or disable clipping.
97clipping=0 noclipping With clipping enabled, all offscreen 97clipping=0 noclipping With clipping enabled, all offscreen
98 reads and writes are disgarded. 98 reads and writes are discarded.
99 Default: enable clipping. 99 Default: enable clipping.
100 100
101gfxclk=x gfxclk:x Force graphic clock frequency (in MHz). 101gfxclk=x gfxclk:x Force graphic clock frequency (in MHz).
102 Be carefull with this option, it may be 102 Be careful with this option, it may be
103 DANGEROUS. 103 DANGEROUS.
104 Default: auto 104 Default: auto
105 50Mhz for Voodoo 1, 105 50Mhz for Voodoo 1,
@@ -137,23 +137,23 @@ Bugs
137 - The driver is 16 bpp only, 24/32 won't work. 137 - The driver is 16 bpp only, 24/32 won't work.
138 - The driver is not your_favorite_toy-safe. this includes SMP... 138 - The driver is not your_favorite_toy-safe. this includes SMP...
139 [Actually from inspection it seems to be safe - Alan] 139 [Actually from inspection it seems to be safe - Alan]
140 - when using XFree86 FBdev (X over fbdev) you may see strange color 140 - When using XFree86 FBdev (X over fbdev) you may see strange color
141 patterns at the border of your windows (the pixels lose the lowest 141 patterns at the border of your windows (the pixels lose the lowest
142 byte -> basicaly the blue component nd some of the green) . I'm unable 142 byte -> basically the blue component and some of the green). I'm unable
143 to reproduce this with XFree86-3.3, but one of the testers has this 143 to reproduce this with XFree86-3.3, but one of the testers has this
144 problem with XFree86-4. apparently recent Xfree86-4.x solve this 144 problem with XFree86-4. Apparently recent Xfree86-4.x solve this
145 problem. 145 problem.
146 - I didn't really test changing the palette, so you may find some weird 146 - I didn't really test changing the palette, so you may find some weird
147 things when playing with that. 147 things when playing with that.
148 - Sometimes the driver will not recognise the DAC , and the 148 - Sometimes the driver will not recognise the DAC, and the
149 initialisation will fail. this is specificaly true for 149 initialisation will fail. This is specifically true for
150 voodoo 2 boards , but it should be solved in recent versions. please 150 voodoo 2 boards, but it should be solved in recent versions. Please
151 contact me . 151 contact me.
152 - the 24/32 is not likely to work anytime soon , knowing that the 152 - The 24/32 is not likely to work anytime soon, knowing that the
153 hardware does ... unusual thigs in 24/32 bpp 153 hardware does ... unusual things in 24/32 bpp.
154 - When used with anther video board, current limitations of linux 154 - When used with another video board, current limitations of the linux
155 console subsystem can cause some troubles, specificaly, you should 155 console subsystem can cause some troubles, specifically, you should
156 disable software scrollback , as it can oops badly ... 156 disable software scrollback, as it can oops badly ...
157 157
158Todo 158Todo
159 159
@@ -161,7 +161,7 @@ Todo
161 - Buy more coffee. 161 - Buy more coffee.
162 - test/port to other arch. 162 - test/port to other arch.
163 - try to add panning using tweeks with front and back buffer . 163 - try to add panning using tweeks with front and back buffer .
164 - try to implement accel on voodoo2 , this board can actualy do a 164 - try to implement accel on voodoo2, this board can actually do a
165 lot in 2D even if it was sold as a 3D only board ... 165 lot in 2D even if it was sold as a 3D only board ...
166 166
167ghoz. 167ghoz.