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Diffstat (limited to 'share/man/man4/man4.i386/bktr.4')
| -rw-r--r-- | share/man/man4/man4.i386/bktr.4 | 94 |
1 files changed, 46 insertions, 48 deletions
diff --git a/share/man/man4/man4.i386/bktr.4 b/share/man/man4/man4.i386/bktr.4 index de898c66b6d..215f6f451cb 100644 --- a/share/man/man4/man4.i386/bktr.4 +++ b/share/man/man4/man4.i386/bktr.4 @@ -1,71 +1,69 @@ -.\" -.\" $OpenBSD: bktr.4,v 1.5 2000/11/10 20:02:18 todd Exp $ -.\" $FreeBSD: bktr.4,v 1.1 1998/03/09 10:56:22 jkh Exp $ +.\" $OpenBSD: bktr.4,v 1.6 2001/04/17 04:40:38 fgsch Exp $ +.\" $FreeBSD: /c/ncvs/src/share/man/man4/bktr.4,v 1.9.2.5 2001/03/06 19:08:09 ru Exp $ .\" .Dd January 28, 1998 -.Dt BKTR 4 i386 +.Dt BKTR 4 .Os .Sh NAME .Nm bktr -.Nd brooktree video capture driver +.Nd video capture driver .Sh SYNOPSIS -.Nm device bktr0 +.Cd option BROOKTREE_ALLOC_PAGES=nnn +.Cd option BROOKTREE_SYSTEM_DEFAULT=XXX +.Pp +.Cd bktr* at pci? dev ? function ? .Sh DESCRIPTION The -.Nm -driver provides support for PCI video capture on low cost, high performance -boards. -The driver is heavily based on the Matrox Meteor driver. -The -.Nm -driver should support most video cards based on the -.Em Brooktree Bt848 Video Capture Chip. -.Pp -Specifically, the following cards are known to work: +.Nm bktr +driver provides support for PCI video capture and VBI capture on low cost, +high performance boards. This should support most video cards based on the +Brooktree Bt848/849/878/879 Video Capture Chip. +The driver also supports FM Radio if the Tuner supports it. .Pp -.Bl -tag -width -offset indent -compact -.It Hauppage Wincast TV -.It STB TV PCI Television Tuner -.It Miro PC TV -.It MIntel Smart Video Recorder III -.El +Specifically, the following cards are known to work: +.Bd -unfilled -offset indent +Hauppage Wincast TV and WinTV/PCI +STB TV PCI Television Tuner +Miro PC TV +Intel Smart Video Recorder III +AverMedia cards +Video Highway XTreme +VideoLogic Captivator PCI +.Ed .Pp The driver currently supports the following features: +.Bd -unfilled -offset indent +PCI to PCI dma transfer +clipping +yuv +rgb16 +rgb24 +rgb32 +.Ed .Pp -.Bl -tag -width -offset indent -compact -.It PCI-to-PCI DMA transfer -.It Clipping -.It YUV -.It RGB16, RGB24, RGB32 -.El +On these cards, tuners and other components are interconnected with an I2C bus. +The Brooktree848 chips act as a master device on the bus to control them. .Pp -The following kernel parameters may be used to further configure the driver: +The following kernel configuration options are available: .Pp -.Bl -ohang -.It Cd option "BROOKTREE_ALLOC_PAGES=xxx" -Specifies the number of contiguous pages to allocate when successfully probed. -The default number of pages allocated by the kernel is 216. +.Bl -tag -width xxxxxxxx +.It Cd option BROOKTREE_ALLOC_PAGES=nnn +Specifies the number of contiguous pages to allocate when successfully +probed. The default number of pages allocated by the kernel is 216. This means that there are (216*4096) bytes available for use. +.It Cd option BROOKTREE_SYSTEM_DEFAULT="(BROOKTREE_PAL | BROOKTREE_NTSC)" +One of these options can be used to set the default video format for the driver. +This fixed random hangs and lockups with the VideoLogic Captivator PCI card. .El .Sh AUTHORS -This driver is based on the work of +The +.Nm +driver is based on the work of .An Jim Lowe Aq james@miller.cs.uwm.edu , .An Mark Tinguely Aq tinguely@plains.nodak.edu , -.An Amancio Hasty Aq hasty@star-gate.com +.An Amancio Hasty Aq hasty@star\-gate.com , +.An Roger Hardiman Aq roger@FreeBSD.org and a bunch of other people. -.\" .Sh FILES -.\" .Bl -tag -width /usr/share/examples/meteor -compact -.\" .It Pa /usr/share/examples/meteor -.\" Examples of what you can do with the (similarly designed) Meteor driver. -.\" .It Pa /usr/ports/graphics/fxtv -.\" A display program utilizing the bktr driver - requires that -.\" .Em The X Window System -.\" and -.\" .Em The Ports Collection -.\" also be installed. -.\" .El -.\" .Sh SEE ALSO -.\" .Xr meteor 4 .Sh HISTORY The .Nm |