ig4 (4)
Leading comments
Copyright (c) 2015 Michael Gmelin <freebsd@grem.de> All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the docume...
NAME
ig4 - Intel(R) fourth generation mobile CPU integrated I2C SMBus driverSYNOPSIS
To compile this driver into the kernel, place the following lines into the kernel configuration file:device ig4 device smbus
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:
ig4_load="YES"
DESCRIPTION
The driver provides access to peripherals attached to an I2C SMB controller. supports the SMBus controller found in fourth generation Intel(R) Core(TM) processors based on the mobile U-processor line for intelligent systems. This includes the i7-4650U, i5-4300U, i3-4010U, and 2980U.SYSCTL VARIABLES
These sysctl(8) variables are available:- debug.ig4_dump
- Setting this to a non-zero value dumps controller registers to console and syslog once. The sysctl resets to zero immediately.
SEE ALSO
smb(4), smbus(4)AUTHORS
An -nosplit The driver was written for DragonFly BSD by An Matthew Dillon and subsequently ported to Fx by An Michael Gmelin Aq Mt freebsd@grem.de .This manual page was written by An Michael Gmelin Aq Mt freebsd@grem.de .