diff options
Diffstat (limited to 'share/man/man4/man4.i386/bktr.4')
| -rw-r--r-- | share/man/man4/man4.i386/bktr.4 | 59 |
1 files changed, 26 insertions, 33 deletions
diff --git a/share/man/man4/man4.i386/bktr.4 b/share/man/man4/man4.i386/bktr.4 index b9ba836ffd9..d01a2f59ec1 100644 --- a/share/man/man4/man4.i386/bktr.4 +++ b/share/man/man4/man4.i386/bktr.4 @@ -1,10 +1,8 @@ .\" -.\" $OpenBSD: bktr.4,v 1.3 1999/07/09 13:35:43 aaron Exp $ +.\" $OpenBSD: bktr.4,v 1.4 2000/07/05 13:46:52 aaron Exp $ .\" $FreeBSD: bktr.4,v 1.1 1998/03/09 10:56:22 jkh Exp $ .\" .Dd January 28, 1998 -.br -.in +0.5i .Dt BKTR 4 i386 .Os .Sh NAME @@ -15,45 +13,40 @@ .Sh DESCRIPTION The .Nm -driver provides support for PCI -.Em video -capture on low cost, high performance boards. The driver is heavily based on -the Matrox Meteor driver. The bktr driver should support most video cards -based on the +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: -.br -.Em Hauppage Wincast TV -.br -.Em STB TV PCI Television Tuner -.br -.Em Miro PC TV -.br -.Em Intel Smart Video Recorder III +.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 .Pp The driver currently supports the following features: -.br -.in +0.5i -PCI to PCI dma transfer -.br -clipping -.br -yuv -.br -rgb16 -.br -rgb24 -.br -rgb32 -.in -0.5i +.Pp +.Bl -tag -width -offset indent -compact +.It PCI-to-PCI DMA transfer +.It Clipping +.It YUV +.It RGB16, RGB24, RGB32 +.El .Pp The following kernel parameters may be used to further configure the driver: .Pp -.Em options "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 -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. This means that there are (216*4096) bytes available for use. +.El .Sh AUTHOR This driver is based on the work of .An Jim Lowe Aq james@miller.cs.uwm.edu , |