bktr.4 (93346) | bktr.4 (117011) |
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1.\" | 1.\" |
2.\" $FreeBSD: head/share/man/man4/bktr.4 93346 2002-03-28 17:03:21Z schweikh $ | 2.\" $FreeBSD: head/share/man/man4/bktr.4 117011 2003-06-28 23:53:39Z ru $ |
3.\" 4.Dd January 28, 1998 5.Dt BKTR 4 6.Os 7.Sh NAME 8.Nm brooktree 9.Nd video capture driver 10.Sh SYNOPSIS --- 4 unchanged lines hidden (view full) --- 15.Cd device smbus 16.Sh DESCRIPTION 17The 18.Nm bktr 19driver provides support for PCI 20.Em video 21capture and 22.Em VBI | 3.\" 4.Dd January 28, 1998 5.Dt BKTR 4 6.Os 7.Sh NAME 8.Nm brooktree 9.Nd video capture driver 10.Sh SYNOPSIS --- 4 unchanged lines hidden (view full) --- 15.Cd device smbus 16.Sh DESCRIPTION 17The 18.Nm bktr 19driver provides support for PCI 20.Em video 21capture and 22.Em VBI |
23capture on low cost, high performance boards. The driver is based on 24the Matrox Meteor driver and uses the same API. The bktr driver should support most video cards | 23capture on low cost, high performance boards. 24The driver is based on the Matrox Meteor driver and uses the same API. 25The bktr driver should support most video cards |
25based on the 26.Em "Brooktree Bt848/849/878/879 Video Capture Chip" . 27The driver also supports 28.Em FM Radio 29if the tuner supports it. 30.Pp 31Specifically, the following cards are known to work: 32.Bd -unfilled -offset indent --- 24 unchanged lines hidden (view full) --- 57and 58.Xr smbus 4 59controller declarations are mandatory to activate bktr support. 60.Pp 61The following kernel parameters may be used to further configure the driver: 62.Pp 63.Em options "BROOKTREE_ALLOC_PAGES=xxx" 64specifies the number of contiguous pages to allocate when successfully | 26based on the 27.Em "Brooktree Bt848/849/878/879 Video Capture Chip" . 28The driver also supports 29.Em FM Radio 30if the tuner supports it. 31.Pp 32Specifically, the following cards are known to work: 33.Bd -unfilled -offset indent --- 24 unchanged lines hidden (view full) --- 58and 59.Xr smbus 4 60controller declarations are mandatory to activate bktr support. 61.Pp 62The following kernel parameters may be used to further configure the driver: 63.Pp 64.Em options "BROOKTREE_ALLOC_PAGES=xxx" 65specifies the number of contiguous pages to allocate when successfully |
65probed. The default number of pages allocated by the kernel is 216. | 66probed. 67The default number of pages allocated by the kernel is 216. |
66This means that there are (216*4096) bytes available for use. 67.Bd -unfilled 68.Em options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL 69.Em options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_NTSC 70.Ed 71One of these options can be used to set the default video format for the driver. 72This fixed random hangs and lockups with the VideoLogic Captivator PCI card. 73.Pp --- 114 unchanged lines hidden --- | 68This means that there are (216*4096) bytes available for use. 69.Bd -unfilled 70.Em options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL 71.Em options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_NTSC 72.Ed 73One of these options can be used to set the default video format for the driver. 74This fixed random hangs and lockups with the VideoLogic Captivator PCI card. 75.Pp --- 114 unchanged lines hidden --- |