a/zenpower3
1
1
Fork 0
Code Issues Pull requests Packages Projects Releases 2 Wiki Activity

Updated comments, Version 0.1.7

Browse source
This commit is contained in:
Ondrej Čerman 2020-02-02 20:09:45 +01:00
parent b2c8c7eaff
commit 7eadfa9305
2 changed files with 35 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Makefile
View file

@ -1,4 +1,4 @@
VERSION := 0.1.6
VERSION := 0.1.7
TARGET := $(shell uname -r)
DKMS_ROOT_PATH := /usr/src/zenpower-$(VERSION)

47
zenpower.c
View file

@ -1,3 +1,35 @@
/*
* Zenpower - Driver for reading temperature, voltage, current and power for AMD 17h CPUs
*
* Copyright (c) 2018-2020 Ondrej Čerman
*
* This driver is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License; either
* version 2 of the License, or (at your option) any later version.
*
* This driver is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this driver; if not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* based on k10temp by Clemens Ladisch
*
* Docs:
* - https://www.kernel.org/doc/Documentation/hwmon/hwmon-kernel-api.txt
* - https://developer.amd.com/wp-content/resources/56255_3_03.PDF
*
* Sources:
* - Temp monitoring is from k10temp
* - SVI address and voltage formula is from LibreHardwareMonitor
* - Current formulas and CCD temp addresses were discovered experimentally
*/
#include <linux/hwmon.h>
#include <linux/module.h>
#include <linux/pci.h>
@ -6,18 +38,7 @@
MODULE_DESCRIPTION("AMD ZEN family CPU Sensors Driver");
MODULE_AUTHOR("Ondrej Čerman");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.1.6");
// based on k10temp - GPL - (c) 2009 Clemens Ladisch <clemens@ladisch.de>
//
// Docs:
// - https://www.kernel.org/doc/Documentation/hwmon/hwmon-kernel-api.txt
// - https://developer.amd.com/wp-content/resources/56255_3_03.PDF
//
// Sources:
// - Temp monitoring is from k10temp
// - SVI address and voltage formula is from LibreHardwareMonitor
// - Current formulas were discovered experimentally
MODULE_VERSION("0.1.7");
#ifndef PCI_DEVICE_ID_AMD_17H_DF_F3
@ -363,7 +384,7 @@ static const struct hwmon_channel_info *zenpower_info[] = {
HWMON_CHANNEL_INFO(in,
HWMON_I_LABEL, // everything is using 1 based indexing except
// hwmin_in - that is using 0 based indexing
// hwmon_in - that is using 0 based indexing
// let's make fake item so corresponding SVI2 data is
// associated with same index
HWMON_I_INPUT | HWMON_I_LABEL, // Core Voltage (SVI2)