| TDVFB(4) | Device Drivers Manual | TDVFB(4) | 
tdvfb —
tdvfb* at pci?
wsdisplay* at tdvfb?
options TDVFB_CONSOLE
tdvfb driver provides support for the graphics cards
  based on 3Dfx Voodoo Graphics (SST-1) and 3Dfx Voodoo2 (CVG) chipsets and
  provides an interface for the machine independent
  wscons(4) driver.
Since both Voodoo Graphics and Voodoo2 were originally designed as
    a 3D-only solutions, most boards do not have any kind of firmware. The
    tdvfb driver is able to do low level initialization
    (boot) of the board, which means that it can be used on all architectures
    and is truly machine independent. However, it also means that driver cannot
    detect automatically if the card is used as a console. The
    TDVFB_CONSOLE option is provided and should be set
    if the tdvfb driver is intended to be used as a
    console.
3Dfx Interactive, Inc., Voodoo2 Graphics Engine for 3D Game Acceleration, Revision 1.16, December 1, 1999.
tdvfb device first appeared in
  NetBSD 7.0.
tdvfb driver was written by
  Radoslaw Kujawa. 3Dfx Glide 2.x source code, Linux
  driver by Ghozlane Toumi were used as reference. The
  wscons(4) attachment code is
  based mostly on the genfb(4)
  driver by Michael Lorenz.
tdvfb
  driver has minimal support for this engine. It is activated only when the card
  is running in a 16-bit mode (this is a hardware limitation).
Video mode is hard-coded to 800x600 at 60Hz. Default bit depth for little endian machines is 16-bit, for big endian machines it is 32-bit. Resolution and depth should be selectable at least via kernel configuration file. It is not possible to detect what resolutions are supported by the monitor, since Voodoo Graphics and Voodoo2 have no DDC interface.
8-bit depth is not supported by the hardware. 16-bit depth is supported by the hardware and is the preferred depth, however it does not work correctly on big endian machines at the moment (this is a driver problem).
| August 3, 2012 | NetBSD 10.1 |