1*bf1c21e6Sschwarze.\" $OpenBSD: tvtwo.4,v 1.11 2011/12/03 23:01:21 schwarze Exp $ 2c095153dSmiod.\" Copyright (c) 2003 Miodrag Vallat. All rights reserved. 3c095153dSmiod.\" 4c095153dSmiod.\" Redistribution and use in source and binary forms, with or without 5c095153dSmiod.\" modification, are permitted provided that the following conditions 6c095153dSmiod.\" are met: 7c095153dSmiod.\" 1. Redistributions of source code must retain the above copyright 8c095153dSmiod.\" notice, this list of conditions and the following disclaimer. 9c095153dSmiod.\" 2. Redistributions in binary form must reproduce the above copyright 10c095153dSmiod.\" notice, this list of conditions and the following disclaimer in the 11c095153dSmiod.\" documentation and/or other materials provided with the distribution. 12c095153dSmiod.\" 13c095153dSmiod.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14c095153dSmiod.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15c095153dSmiod.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16c095153dSmiod.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 17c095153dSmiod.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18c095153dSmiod.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19c095153dSmiod.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20c095153dSmiod.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21c095153dSmiod.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 22c095153dSmiod.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 23c095153dSmiod.\" POSSIBILITY OF SUCH DAMAGE. 24c095153dSmiod.\" 25*bf1c21e6Sschwarze.Dd $Mdocdate: December 3 2011 $ 26c095153dSmiod.Dt TVTWO 4 sparc64 27c095153dSmiod.Os 28c095153dSmiod.Sh NAME 29c095153dSmiod.Nm tvtwo 30c095153dSmiod.Nd accelerated 24-bit color frame buffer 31c095153dSmiod.Sh SYNOPSIS 32c095153dSmiod.Cd "tvtwo* at sbus?" 33c095153dSmiod.Cd "wsdisplay* at tvtwo?" 34c095153dSmiod.Sh DESCRIPTION 350d7f939eSmiodThe Parallax XVideo and PowerVideo frame buffers, also known as 360d7f939eSmiod.Sq tvtwo , 370d7f939eSmiodare memory based color frame buffers, with graphics acceleration 38c095153dSmiodand overlay capabilities, and hardware MPEG decoding. 39c095153dSmiod.Pp 40c095153dSmiodThe 41c095153dSmiod.Nm 42c095153dSmioddriver interfaces the frame buffer to the 43c095153dSmiod.Xr wscons 4 44c095153dSmiodconsole framework. 45c095153dSmiodIt does not provide direct device driver entry points 46c095153dSmiodbut makes its functions available via the internal 47c095153dSmiod.Xr wsdisplay 4 48c095153dSmiodinterface. 490d7f939eSmiod.Sh DISPLAY RESOLUTION 504c679d16SjmcThe XVideo and PowerVideo frame buffers will adapt their resolution and 510d7f939eSmiodrefresh rate to the monitor they are connected to. 524c679d16SjmcHowever, when not connected to a Sun monitor, the device will default to the 53*bf1c21e6Sschwarze.Xr cgthree 4 Ns -compatible 540d7f939eSmiod1152x900 resolution, with a refresh rate of 67Hz. 550d7f939eSmiodA different resolution can be forced using the rotary switch on the edge 560d7f939eSmiodof the board. 570d7f939eSmiod.Pp 580d7f939eSmiodThe available modes are as follows: 594c679d16Sjmc.Bl -column "Rotary" "Resolution" "Refresh Rate" -offset indent 60e324319bSjmc.It Sy Rotary Ta Sy Resolution Ta Sy "Refresh Rate" 610d7f939eSmiod.It Li 0 Ta autodetect Ta autodetect 620d7f939eSmiod.It Li 1 Ta 1152x900 Ta 67Hz 630d7f939eSmiod.It Li 2 Ta 1152x900 Ta 76Hz 640d7f939eSmiod.It Li 3 Ta 1152x900 Ta 60Hz 650d7f939eSmiod.It Li 4 Ta 1024x768 Ta 77Hz 660d7f939eSmiod.It Li 5 Ta 640x480 Ta 60Hz 670d7f939eSmiod.El 680d7f939eSmiod.Pp 690d7f939eSmiodAll other rotary positions will behave as position 0, except for positions 700d7f939eSmiodE and F. 710d7f939eSmiodPosition E enables the board built-in debugger on the serial port, and 720d7f939eSmiodshould not be used by end-users. 730d7f939eSmiodPosition F selects the video mode settings stored in the cards NVRAM. 740d7f939eSmiodThese settings cannot be modified under 750d7f939eSmiod.Ox . 76c095153dSmiod.Sh SEE ALSO 77c095153dSmiod.Xr intro 4 , 78c095153dSmiod.Xr sbus 4 , 79c095153dSmiod.Xr wscons 4 , 80ff501836Sjmc.Xr wsdisplay 4 81c095153dSmiod.Sh CAVEATS 82c095153dSmiodThis driver does not support any acceleration features at the moment. 83