/*
abituguru.c Copyright (c) 2005-2006 Hans de Goede <j.w.r.degoede@hhs.nl>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
This driver supports the sensor part of the first and second revision of
the custom Abit uGuru chip found on Abit uGuru motherboards. Note: because
of lack of specs the CPU/RAM voltage & frequency control is not supported!
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/mutex.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/dmi.h>
#include <linux/io.h>
/* Banks */
#define ABIT_UGURU_ALARM_BANK 0x20 /* 1x 3 bytes */
#define ABIT_UGURU_SENSOR_BANK1 0x21 /* 16x volt and temp */
#define ABIT_UGURU_FAN_PWM 0x24 /* 3x 5 bytes */
#define ABIT_UGURU_SENSOR_BANK2 0x26 /* fans */
/* max nr of sensors in bank1, a bank1 sensor can be in, temp or nc */
#define ABIT_UGURU_MAX_BANK1_SENSORS 16
/* Warning if you increase one of the 2 MAX defines below to 10 or higher you
should adjust the belonging _NAMES_LENGTH macro for the 2 digit number! */
/* max nr of sensors in bank2, currently mb's with max 6 fans are known */
#define ABIT_UGURU_MAX_BANK2_SENSORS 6
/* max nr of pwm outputs, currently mb's with max 5 pwm outputs are known */
#define ABIT_UGURU_MAX_PWMS 5
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