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4 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
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6 .TH OHCI 7D "Nov 23, 2006"
8 ohci \- OpenHCI host controller driver
12 \fBusb@unit-address\fR
18 The \fBohci\fR driver is a USBA (Solaris USB Architecture) compliant nexus
19 driver that supports the \fIOpen Host Controller Interface Specification
20 1.1\fR, an industry standard developed by Compaq, Microsoft, and National
24 The \fBohci\fR driver supports bulk, interrupt, control and isochronous
30 \fB\fB/kernel/drv/ohci\fR\fR
33 32-bit x86 ELF kernel module
39 \fB\fB/kernel/drv/amd64/ohci\fR\fR
42 64-bit x86 ELF kernel module
48 \fB\fB/kernel/drv/sparcv9/ohci\fR\fR
51 64-bit SPARC ELF kernel module
57 \fB\fB/kernel/drv/ohci.conf\fR\fR
60 driver configuration file
66 See \fBattributes\fR(5) for descriptions of the following attributes:
74 ATTRIBUTE TYPE ATTRIBUTE VALUE
76 Architecture SPARC, x86, PCI-based systems
82 \fBattributes\fR(5), \fBehci\fR(7D), \fBhubd\fR(7D), \fBuhci\fR(7D),
86 \fIWriting Device Drivers\fR
89 \fIUniversal Serial Bus Specification 2.0\fR
92 \fIOpen Host Controller Interface Specification for USB 1.0a\fR
95 \fISystem Administration Guide: Basic Administration\fR
98 \fIhttp://www.sun.com/io\fR
102 All host controller errors are passed to the client drivers. Root hub errors
103 are documented in \fBhubd\fR(7D).
106 In addition to being logged, the following messages may appear on the system
107 console. All messages are formatted in the following manner:
111 WARNING: <device path> <ohci><instance number>>: Error message...
119 \fBUnrecoverable USB Hardware Error.\fR
123 There was an unrecoverable USB hardware error reported by the OHCI Controller.
124 Please reboot the system. If this problem persists, contact your system vendor.
130 \fBNo SOF interrupts have been received. This OHCI USB controller is
135 The USB hardware is not generating Start Of Frame interrupts. Please reboot the
136 system. If this problem persists, contact your system vendor.
141 The following messages may be entered into the system log. They are formatted
142 in the following manner:
146 <device path> <ohci<instance number>): Message...
154 \fBFailed to program frame interval register.\fR
158 For an unspecified reason, the frame interval register has been nulled out by
159 the Uli M1575 chip. Please reboot the system. If this problem persists, contact