̾??

brooktree —

?ӥǥ??????ץ????ɥ饤??

????

device bktr0

controller iicbus0 controller iicbb0 controller smbus0

????

bktr ?ɥ饤?Фϡ??㥳???ȡ????ѥե????ޥ󥹤Υܡ??ɤ? PCI ?ӥǥ? ?????ץ??????󶡤??ޤ??? ???Υɥ饤?Фϡ?Matrox Meteor ?ɥ饤?Ф˴??Ť??Ƥ??ޤ??? bktr ?ɥ饤?Ф? Brooktree Bt848 Video Capture Chip ???ܤäƤ????ӥǥ??????ɤΤۤȤ??ɤ򥵥ݡ??Ȥ??ޤ???

?äˡ????Υ????ɤ?ư??뤳?Ȥ?ʬ???äƤ??ޤ?:
Hauppage Wincast TV
STB TV PCI Television Tuner
Miro PC TV
Intel Smart Video Recorder III

???Υɥ饤?Фϸ??ߡ????ε?ǽ?򥵥ݡ??Ȥ??ޤ?:
PCI ???? PCI ?ؤ? DMA ž??
?????åԥ???
yuv
rgb16
rgb24
rgb32

???????Υ????ɤǤϡ????塼?ʤȤۤ??????ʤ? I2C ?Х?????????³?????Ƥ? ?ޤ???Brooktree848 ???åפϡ????ΥХ????Ǥ??????????ʤ򥳥??ȥ????뤹 ???ޥ????ǥХ????Ȥ???ư??Ƥ??ޤ??? ???äơ? iicbus(4), iicbb(4) ?? smbus(4) ?????ȥ????????????ϥ????ƥ??֤? bktr ???ݡ??Ȥ?ɬ?ܤǤ???

???Υ????ͥ??ѥ??᡼?????ɥ饤?ФΤ????ʤ??????˻??Ѳ?ǽ?Ǥ?:

options BROOKTREE_ALLOC_PAGES=xxx ?ϥץ????֤??????????Ȥ??ˡ????????Ƥ?Ϣ³?????ڡ????ο??????ꤷ?ޤ??? ?????ͥ뤬???????Ƥ??ڡ????ο??Υǥե????Ȥ? 216 ?Ǥ??? ?????ϡ?(216*4096) ?Х??Ȼ??Ѳ?ǽ?Ǥ??뤳?Ȥ򼨤??Ƥ??ޤ???

????

???Υɥ饤?Ф? Jim Lowe ⟨james@miller.cs.uwm.edu⟩, Mark Tinguely ⟨tinguely@plains.nodak.edu⟩, Amancio Hasty ⟨hasty@star-gate.com⟩ ?Ȥ???¾?ο͡??κ??Ȥ˴??Ť??Ƥ??ޤ???

??Ϣ?ե?????

/usr/share/examples/meteor: Meteor ?ɥ饤?? (?褯?????߷פǤ???) ?ǤǤ??뤳?Ȥ???
/usr/ports/graphics/fxtv: bktr ?ɥ饤?Ф????Ѥ???ɽ???ץ??????? - The X Window System ?? The Ports Collection ?????󥹥ȡ??뤵???Ƥ???ɬ?פ??????ޤ???

??Ϣ????

meteor(4)

????

brooktree ?ɥ饤?Ф? FreeBSD 2.2 ?ǽ????Ƹ????ޤ?????