diff options
Diffstat (limited to 'share/man/man4/ehci.4')
| -rw-r--r-- | share/man/man4/ehci.4 | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/share/man/man4/ehci.4 b/share/man/man4/ehci.4 index f849ed3..ea99a9d 100644 --- a/share/man/man4/ehci.4 +++ b/share/man/man4/ehci.4 @@ -29,7 +29,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 20, 2005 +.Dd February 24, 2011 .Dt EHCI 4 .Os .Sh NAME @@ -70,6 +70,7 @@ but can be noticed since 2.0 devices plugged in to the same connector appear to connect to different USB busses. .Sh SEE ALSO +.Xr xhci 4 , .Xr ohci 4 , .Xr uhci 4 , .Xr usb 4 @@ -78,7 +79,19 @@ The .Nm device driver first appeared in .Fx 5.1 . -.Sh BUGS -The driver is not finished and is quite buggy. -.Pp -There is currently no support for isochronous transfers. +.Sh LOADER TUNABLES +Tunables can be set at the +.Xr loader 8 +prompt before booting the kernel or stored in +.Xr loader.conf 5 . +.Bl -tag -width "xxxxxx" +.It Va hw.usb.ehci.lostintrbug +This tunable enables the lost interrupt quirk. +The default value is 0 (off). +.It Va hw.usb.ehci.iaadbug +This tunable enables the EHCI doorbell quirk. +The default value is 0 (off). +.It Va hw.usb.ehci.no_hs +This tunable disables USB devices to attach like HIGH-speed ones and will force all attached devices to attach to the FULL- or LOW-speed companion controller. +The default value is 0 (off). +.El |
