diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2008-03-15 15:16:42 +0000 |
---|---|---|
committer | Miod Vallat <miod@cvs.openbsd.org> | 2008-03-15 15:16:42 +0000 |
commit | d73d7ccac9cd3834d932c09741bf2a37be3cd7ef (patch) | |
tree | f3f79e224f3321b84094c759b6f1cbe54008d6bd /share/man/man4 | |
parent | b72384742694dcdcdd5db90a5c948efed83c7215 (diff) |
Document video modes.
Diffstat (limited to 'share/man/man4')
-rw-r--r-- | share/man/man4/man4.sparc/tvtwo.4 | 40 | ||||
-rw-r--r-- | share/man/man4/man4.sparc64/tvtwo.4 | 38 |
2 files changed, 68 insertions, 10 deletions
diff --git a/share/man/man4/man4.sparc/tvtwo.4 b/share/man/man4/man4.sparc/tvtwo.4 index e8990e23f42..b24c3eff4b4 100644 --- a/share/man/man4/man4.sparc/tvtwo.4 +++ b/share/man/man4/man4.sparc/tvtwo.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: tvtwo.4,v 1.13 2007/05/31 19:19:56 jmc Exp $ +.\" $OpenBSD: tvtwo.4,v 1.14 2008/03/15 15:16:40 miod Exp $ .\" Copyright (c) 2003 Miodrag Vallat. All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -22,7 +22,7 @@ .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: March 15 2008 $ .Dt TVTWO 4 sparc .Os .Sh NAME @@ -32,9 +32,9 @@ .Cd "tvtwo* at sbus?" .Cd "wsdisplay* at tvtwo?" .Sh DESCRIPTION -The -.Nm -is a memory based color frame buffer, with graphics acceleration +The Parallax XVideo and PowerVideo frame buffers, also known as +.Sq tvtwo , +are memory based color frame buffers, with graphics acceleration and overlay capabilities, and hardware MPEG decoding. .Pp The @@ -46,6 +46,34 @@ It does not provide direct device driver entry points but makes its functions available via the internal .Xr wsdisplay 4 interface. +.Sh DISPLAY RESOLUTION +The XVideo and PowerVideo frame buffers vill adapt their resolution and +refresh rate to the monitor they are connected to. +However, when not connected to a Sun monitor, the device vill default to the +.Xr cgthree 4 -compatible +1152x900 resolution, with a refresh rate of 67Hz. +A different resolution can be forced using the rotary switch on the edge +of the board. +.Pp +The available modes are as follows: +.Bl -column "Rotary" "Resolution" "Refresh Rate" +.It Li Rotary Ta Resolution Ta "Refresh Rate" +.\" .It " " +.It Li 0 Ta autodetect Ta autodetect +.It Li 1 Ta 1152x900 Ta 67Hz +.It Li 2 Ta 1152x900 Ta 76Hz +.It Li 3 Ta 1152x900 Ta 60Hz +.It Li 4 Ta 1024x768 Ta 77Hz +.It Li 5 Ta 640x480 Ta 60Hz +.El +.Pp +All other rotary positions will behave as position 0, except for positions +E and F. +Position E enables the board built-in debugger on the serial port, and +should not be used by end-users. +Position F selects the video mode settings stored in the cards NVRAM. +These settings can not be modified under +.Ox . .Sh SEE ALSO .Xr agten 4 , .Xr bwtwo 4 , @@ -69,3 +97,5 @@ interface. .Xr zx 4 .Sh CAVEATS This driver does not support any acceleration features at the moment. +.Pp +Storing video mode information in the NVRAM is not supported. diff --git a/share/man/man4/man4.sparc64/tvtwo.4 b/share/man/man4/man4.sparc64/tvtwo.4 index f722d941d06..d6d6653f20c 100644 --- a/share/man/man4/man4.sparc64/tvtwo.4 +++ b/share/man/man4/man4.sparc64/tvtwo.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: tvtwo.4,v 1.5 2007/05/31 19:19:57 jmc Exp $ +.\" $OpenBSD: tvtwo.4,v 1.6 2008/03/15 15:16:41 miod Exp $ .\" Copyright (c) 2003 Miodrag Vallat. All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -22,7 +22,7 @@ .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: March 15 2008 $ .Dt TVTWO 4 sparc64 .Os .Sh NAME @@ -32,9 +32,9 @@ .Cd "tvtwo* at sbus?" .Cd "wsdisplay* at tvtwo?" .Sh DESCRIPTION -The -.Nm -is a memory based color frame buffer, with graphics acceleration +The Parallax XVideo and PowerVideo frame buffers, also known as +.Sq tvtwo , +are memory based color frame buffers, with graphics acceleration and overlay capabilities, and hardware MPEG decoding. .Pp The @@ -46,6 +46,34 @@ It does not provide direct device driver entry points but makes its functions available via the internal .Xr wsdisplay 4 interface. +.Sh DISPLAY RESOLUTION +The XVideo and PowerVideo frame buffers vill adapt their resolution and +refresh rate to the monitor they are connected to. +However, when not connected to a Sun monitor, the device vill default to the +.Xr cgthree 4 -compatible +1152x900 resolution, with a refresh rate of 67Hz. +A different resolution can be forced using the rotary switch on the edge +of the board. +.Pp +The available modes are as follows: +.Bl -column "Rotary" "Resolution" "Refresh Rate" +.It Li Rotary Ta Resolution Ta "Refresh Rate" +.\" .It " " +.It Li 0 Ta autodetect Ta autodetect +.It Li 1 Ta 1152x900 Ta 67Hz +.It Li 2 Ta 1152x900 Ta 76Hz +.It Li 3 Ta 1152x900 Ta 60Hz +.It Li 4 Ta 1024x768 Ta 77Hz +.It Li 5 Ta 640x480 Ta 60Hz +.El +.Pp +All other rotary positions will behave as position 0, except for positions +E and F. +Position E enables the board built-in debugger on the serial port, and +should not be used by end-users. +Position F selects the video mode settings stored in the cards NVRAM. +These settings can not be modified under +.Ox . .Sh SEE ALSO .Xr agten 4 , .Xr bwtwo 4 , |