diff options
Diffstat (limited to 'Documentation/fb/sstfb.txt')
-rw-r--r-- | Documentation/fb/sstfb.txt | 42 |
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 | ||
73 | Kernel/Modules Options | 73 | Kernel/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 | ||
82 | Module Kernel Description | 82 | Module Kernel Description |
83 | 83 | ||
@@ -95,11 +95,11 @@ inverse=1 inverse Supposed to enable inverse console. | |||
95 | 95 | ||
96 | clipping=1 clipping Enable or disable clipping. | 96 | clipping=1 clipping Enable or disable clipping. |
97 | clipping=0 noclipping With clipping enabled, all offscreen | 97 | clipping=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 | ||
101 | gfxclk=x gfxclk:x Force graphic clock frequency (in MHz). | 101 | gfxclk=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 | ||
158 | Todo | 158 | Todo |
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 | ||
167 | ghoz. | 167 | ghoz. |