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6 .TH OHCI 7D "May 13, 2017"
8 ohci \- OpenHCI host controller driver
12 \fBusb@unit-address\fR
17 The \fBohci\fR driver is a USBA (Solaris USB Architecture) compliant nexus
18 driver that supports the \fIOpen Host Controller Interface Specification
19 1.1\fR, an industry standard developed by Compaq, Microsoft, and National
23 The \fBohci\fR driver supports bulk, interrupt, control and isochronous
28 \fB\fB/kernel/drv/ohci\fR\fR
31 32-bit x86 ELF kernel module
37 \fB\fB/kernel/drv/amd64/ohci\fR\fR
40 64-bit x86 ELF kernel module
46 \fB\fB/kernel/drv/sparcv9/ohci\fR\fR
49 64-bit SPARC ELF kernel module
55 \fB\fB/kernel/drv/ohci.conf\fR\fR
58 driver configuration file
63 See \fBattributes\fR(5) for descriptions of the following attributes:
71 ATTRIBUTE TYPE ATTRIBUTE VALUE
73 Architecture SPARC, x86, PCI-based systems
78 \fBattributes\fR(5), \fBehci\fR(7D), \fBhubd\fR(7D), \fBuhci\fR(7D),
82 \fIWriting Device Drivers\fR
85 \fIUniversal Serial Bus Specification 2.0\fR
88 \fIOpen Host Controller Interface Specification for USB 1.0a\fR
91 \fISystem Administration Guide: Basic Administration\fR
94 All host controller errors are passed to the client drivers. Root hub errors
95 are documented in \fBhubd\fR(7D).
98 In addition to being logged, the following messages may appear on the system
99 console. All messages are formatted in the following manner:
103 WARNING: <device path> <ohci><instance number>>: Error message...
111 \fBUnrecoverable USB Hardware Error.\fR
115 There was an unrecoverable USB hardware error reported by the OHCI Controller.
116 Please reboot the system. If this problem persists, contact your system vendor.
122 \fBNo SOF interrupts have been received. This OHCI USB controller is
127 The USB hardware is not generating Start Of Frame interrupts. Please reboot the
128 system. If this problem persists, contact your system vendor.
133 The following messages may be entered into the system log. They are formatted
134 in the following manner:
138 <device path> <ohci<instance number>): Message...
146 \fBFailed to program frame interval register.\fR
150 For an unspecified reason, the frame interval register has been nulled out by
151 the Uli M1575 chip. Please reboot the system. If this problem persists, contact