| ig4.4 (302408) | ig4.4 (310072) |
|---|---|
| 1.\" Copyright (c) 2015 Michael Gmelin <freebsd@grem.de> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2015 Michael Gmelin <freebsd@grem.de> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: stable/11/share/man/man4/ig4.4 283766 2015-05-30 12:17:18Z grembo $ | 25.\" $FreeBSD: stable/11/share/man/man4/ig4.4 310072 2016-12-14 16:27:28Z avg $ |
| 26.\" | 26.\" |
| 27.Dd May 30, 2015 | 27.Dd October 03, 2016 |
| 28.Dt IG4 4 29.Os 30.Sh NAME 31.Nm ig4 | 28.Dt IG4 4 29.Os 30.Sh NAME 31.Nm ig4 |
| 32.Nd Intel(R) fourth generation mobile CPU integrated I2C SMBus driver | 32.Nd Intel(R) fourth generation mobile CPU integrated I2C driver |
| 33.Sh SYNOPSIS 34To compile this driver into the kernel, place the following lines into 35the kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device ig4" | 33.Sh SYNOPSIS 34To compile this driver into the kernel, place the following lines into 35the kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device ig4" |
| 38.Cd "device smbus" | 38.Cd "device iicbus" |
| 39.Ed 40.Pp 41Alternatively, to load the driver as a module at boot time, place the following line in 42.Xr loader.conf 5 : 43.Bd -literal -offset indent 44ig4_load="YES" 45.Ed 46.Sh DESCRIPTION 47The 48.Nm | 39.Ed 40.Pp 41Alternatively, to load the driver as a module at boot time, place the following line in 42.Xr loader.conf 5 : 43.Bd -literal -offset indent 44ig4_load="YES" 45.Ed 46.Sh DESCRIPTION 47The 48.Nm |
| 49driver provides access to peripherals attached to an I2C SMB controller. | 49driver provides access to peripherals attached to an I2C controller. 50.Sh HARDWARE |
| 50.Nm | 51.Nm |
| 51supports the SMBus controller found in fourth generation Intel(R) Core(TM) | 52supports the I2C controllers found in fourth generation Intel(R) Core(TM) |
| 52processors based on the mobile U-processor line for intelligent systems. 53This includes the i7-4650U, i5-4300U, i3-4010U, and 2980U. 54.Sh SYSCTL VARIABLES 55These 56.Xr sysctl 8 57variables are available: 58.Bl -tag -width "debug.ig4_dump" 59.It Va debug.ig4_dump | 53processors based on the mobile U-processor line for intelligent systems. 54This includes the i7-4650U, i5-4300U, i3-4010U, and 2980U. 55.Sh SYSCTL VARIABLES 56These 57.Xr sysctl 8 58variables are available: 59.Bl -tag -width "debug.ig4_dump" 60.It Va debug.ig4_dump |
| 60Setting this to a non-zero value dumps controller registers to console and 61syslog once. 62The sysctl resets to zero immediately. | 61This sysctl is a zero-based bit mask. 62When any of the bits are set, a register dump is printed for 63every I2C transfer on an 64.Nm 65device with the same unit number. |
| 63.El 64.Sh SEE ALSO | 66.El 67.Sh SEE ALSO |
| 65.Xr smb 4 , 66.Xr smbus 4 | 68.Xr iic 4 , 69.Xr iicbus 4 |
| 67.Sh AUTHORS 68.An -nosplit 69The 70.Nm 71driver was written for DragonFly BSD by 72.An Matthew Dillon 73and subsequently ported to 74.Fx 75by 76.An Michael Gmelin Aq Mt freebsd@grem.de . 77.Pp 78This manual page was written by 79.An Michael Gmelin Aq Mt freebsd@grem.de . | 70.Sh AUTHORS 71.An -nosplit 72The 73.Nm 74driver was written for DragonFly BSD by 75.An Matthew Dillon 76and subsequently ported to 77.Fx 78by 79.An Michael Gmelin Aq Mt freebsd@grem.de . 80.Pp 81This manual page was written by 82.An Michael Gmelin Aq Mt freebsd@grem.de . |