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brooktree(4)

NAME

     bktr -- Brooktree Bt848/849/878/879 and Pinnacle PCTV video capture
     driver


SYNOPSIS

     device bktr

     device iicbus
     device iicbb
     device smbus


DESCRIPTION

     The bktr driver provides support for PCI video capture and VBI capture on
     low cost, high performance boards.  The driver is based on the Matrox
     Meteor driver and uses the same API.  The bktr driver should support most
     video cards based on the Brooktree Bt848/849/878/879 Video Capture Chip.
     Also supported are most Pinnacle PCTV video cards.  Furthermore, the
     driver supports FM Radio if the tuner supports it.

     The driver currently supports the following features:

	   PCI to PCI dma transfer
	   clipping
	   yuv
	   rgb16
	   rgb24
	   rgb32

     On the supported 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.  Therefore, iicbus(4), iicbb(4) and smbus(4) con-
     troller declarations are mandatory to activate bktr support.

     The following kernel parameters may be used to further configure the
     driver:

     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.  This means that there are (216*4096)
     bytes available for use.

     options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL
     options BROOKTREE_SYSTEM_DEFAULT=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 Captiva-
     tor PCI card.

     The following sysctls may be used to further configure the driver:

     sysctl hw.bt848.card=nnnn This can be used to override the card make
     which was detected at boot time.  `nnnn' is set to an integer from 1 to
     13 taken from the following table:

     MIRO		     1
     HAUPPAUGE		     2
     STB		     3
     INTEL		     4
     VIDEO_HIGHWAY_XTREME    13

     sysctl hw.bt848.tuner=nnnn This can be used to override the tuner make
     which was detected at boot time.  `nnnn' is set to an integer from 1 to
     13 taken from the following table:

     NO_TUNER		     0
     TEMIC_NTSC 	     1
     TEMIC_PAL		     2
     TEMIC_SECAM	     3
     PHILIPS_NTSC	     4
     PHILIPS_PAL	     5
     PHILIPS_SECAM	     6
     TEMIC_PALI 	     7
     PHILIPS_PALI	     8
     PHILIPS_FR1236_NTSC     9	     /* These have FM Radio support */
     PHILIPS_FR1216_PAL      10      /* These have FM Radio support */
     PHILIPS_FR1236_SECAM    11      /* These have FM Radio support */
     ALPS_TSCH5 	     12
     ALPS_TSBH1 	     13


HARDWARE

     The bktr driver supports video capture cards based on the Brooktree
     Bt848/849/878/879 chips, as well as Pinnacle PCTV cards, including:

     o	 AOpen VA1000
     o	 AVerMedia AVerTV Studio
     o	 AVerMedia TF/FM-98
     o	 ATI TV Wonder VE
     o	 Hauppauge WinCast/TV
     o	 Hauppauge WinTV-Go-FM
     o	 Hauppauge WinTV-pci
     o	 Hauppauge WinTV-radio
     o	 Intel Smart Video Recorder III
     o	 KWORLD PCI TV Tuner
     o	 Miro PC TV
     o	 Pinnacle PCTV Pro
     o	 Pinnacle PCTV Rave
     o	 PixelView PlayTV PAK
     o	 SIGMA TV II
     o	 STB TV PCI Television Tuner
     o	 Super TV Tuner
     o	 V-Stream XPERT TV-PVR 878
     o	 Video Highway XTreme
     o	 VideoLogic Captivator PCI


FILES

     /usr/share/examples/meteor  Examples of what you can do with the (simi-
				 larly designed) Meteor driver.
     /usr/ports/multimedia/fxtv  A TV and Camera display program utilizing the
				 bktr driver - requires that The X Window
				 System and The Ports Collection also be
				 installed.
     /usr/ports/misc/alevt	 A program to capture and display Teletext
				 (VideoText) pages - requires that The X
				 Window System and The Ports Collection also
				 be installed.
     /usr/ports/audio/xmradio	 An FM Radio Tuner for cards which have an FM


HISTORY

     The bktr driver first appeared in FreeBSD 2.2.


AUTHORS

     This driver is based on the work of Jim Lowe <james@miller.cs.uwm.edu>,
     Mark Tinguely <tinguely@plains.nodak.edu>, Amancio Hasty
     <hasty@star-gate.com>, Roger Hardiman <roger@FreeBSD.org> and a bunch of
     other people.  Support for Pinnacle PCTV Rave cards was added by Branko
     Lankester <branko@euro.net>.

FreeBSD 5.4			January 2, 2005 		   FreeBSD 5.4

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