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authorMiod Vallat <miod@cvs.openbsd.org>2008-03-15 15:16:42 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2008-03-15 15:16:42 +0000
commitd73d7ccac9cd3834d932c09741bf2a37be3cd7ef (patch)
treef3f79e224f3321b84094c759b6f1cbe54008d6bd /share/man/man4
parentb72384742694dcdcdd5db90a5c948efed83c7215 (diff)
Document video modes.
Diffstat (limited to 'share/man/man4')
-rw-r--r--share/man/man4/man4.sparc/tvtwo.440
-rw-r--r--share/man/man4/man4.sparc64/tvtwo.438
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 ,