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linux/drivers/hwmon/w83627hf.c
Thomas Gleixner 74ba9207e1 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 441 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-24 17:36:45 +02:00

2006 lines
56 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
* monitoring
* Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>,
* Philip Edelbrock <phil@netroedge.com>,
* and Mark Studebaker <mdsxyz123@yahoo.com>
* Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
* Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de>
*/
/*
* Supports following chips:
*
* Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
* w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
* w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
* w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
* w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
* w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
*
* For other winbond chips, and for i2c support in the above chips,
* use w83781d.c.
*
* Note: automatic ("cruise") fan control for 697, 637 & 627thf not
* supported yet.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/ioport.h>
#include <linux/acpi.h>
#include <linux/io.h>
#include "lm75.h"
static struct platform_device *pdev;
#define DRVNAME "w83627hf"
enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
struct w83627hf_sio_data {
enum chips type;
int sioaddr;
};
static u8 force_i2c = 0x1f;
module_param(force_i2c, byte, 0);
MODULE_PARM_DESC(force_i2c,
"Initialize the i2c address of the sensors");
static bool init = 1;
module_param(init, bool, 0);
MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
static unsigned short force_id;
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
/* modified from kernel/include/traps.c */
#define DEV 0x07 /* Register: Logical device select */
/* logical device numbers for superio_select (below) */
#define W83627HF_LD_FDC 0x00
#define W83627HF_LD_PRT 0x01
#define W83627HF_LD_UART1 0x02
#define W83627HF_LD_UART2 0x03
#define W83627HF_LD_KBC 0x05
#define W83627HF_LD_CIR 0x06 /* w83627hf only */
#define W83627HF_LD_GAME 0x07
#define W83627HF_LD_MIDI 0x07
#define W83627HF_LD_GPIO1 0x07
#define W83627HF_LD_GPIO5 0x07 /* w83627thf only */
#define W83627HF_LD_GPIO2 0x08
#define W83627HF_LD_GPIO3 0x09
#define W83627HF_LD_GPIO4 0x09 /* w83627thf only */
#define W83627HF_LD_ACPI 0x0a
#define W83627HF_LD_HWM 0x0b
#define DEVID 0x20 /* Register: Device ID */
#define W83627THF_GPIO5_EN 0x30 /* w83627thf only */
#define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
#define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */
#define W83687THF_VID_EN 0x29 /* w83687thf only */
#define W83687THF_VID_CFG 0xF0 /* w83687thf only */
#define W83687THF_VID_DATA 0xF1 /* w83687thf only */
static inline void
superio_outb(struct w83627hf_sio_data *sio, int reg, int val)
{
outb(reg, sio->sioaddr);
outb(val, sio->sioaddr + 1);
}
static inline int
superio_inb(struct w83627hf_sio_data *sio, int reg)
{
outb(reg, sio->sioaddr);
return inb(sio->sioaddr + 1);
}
static inline void
superio_select(struct w83627hf_sio_data *sio, int ld)
{
outb(DEV, sio->sioaddr);
outb(ld, sio->sioaddr + 1);
}
static inline int
superio_enter(struct w83627hf_sio_data *sio)
{
if (!request_muxed_region(sio->sioaddr, 2, DRVNAME))
return -EBUSY;
outb(0x87, sio->sioaddr);
outb(0x87, sio->sioaddr);
return 0;
}
static inline void
superio_exit(struct w83627hf_sio_data *sio)
{
outb(0xAA, sio->sioaddr);
release_region(sio->sioaddr, 2);
}
#define W627_DEVID 0x52
#define W627THF_DEVID 0x82
#define W697_DEVID 0x60
#define W637_DEVID 0x70
#define W687THF_DEVID 0x85
#define WINB_ACT_REG 0x30
#define WINB_BASE_REG 0x60
/* Constants specified below */
/* Alignment of the base address */
#define WINB_ALIGNMENT ~7
/* Offset & size of I/O region we are interested in */
#define WINB_REGION_OFFSET 5
#define WINB_REGION_SIZE 2
/* Where are the sensors address/data registers relative to the region offset */
#define W83781D_ADDR_REG_OFFSET 0
#define W83781D_DATA_REG_OFFSET 1
/* The W83781D registers */
/* The W83782D registers for nr=7,8 are in bank 5 */
#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
(0x554 + (((nr) - 7) * 2)))
#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
(0x555 + (((nr) - 7) * 2)))
#define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
(0x550 + (nr) - 7))
/* nr:0-2 for fans:1-3 */
#define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr))
#define W83627HF_REG_FAN(nr) (0x28 + (nr))
#define W83627HF_REG_TEMP2_CONFIG 0x152
#define W83627HF_REG_TEMP3_CONFIG 0x252
/* these are zero-based, unlike config constants above */
static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 };
static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 };
static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 };
#define W83781D_REG_BANK 0x4E
#define W83781D_REG_CONFIG 0x40
#define W83781D_REG_ALARM1 0x459
#define W83781D_REG_ALARM2 0x45A
#define W83781D_REG_ALARM3 0x45B
#define W83781D_REG_BEEP_CONFIG 0x4D
#define W83781D_REG_BEEP_INTS1 0x56
#define W83781D_REG_BEEP_INTS2 0x57
#define W83781D_REG_BEEP_INTS3 0x453
#define W83781D_REG_VID_FANDIV 0x47
#define W83781D_REG_CHIPID 0x49
#define W83781D_REG_WCHIPID 0x58
#define W83781D_REG_CHIPMAN 0x4F
#define W83781D_REG_PIN 0x4B
#define W83781D_REG_VBAT 0x5D
#define W83627HF_REG_PWM1 0x5A
#define W83627HF_REG_PWM2 0x5B
static const u8 W83627THF_REG_PWM_ENABLE[] = {
0x04, /* FAN 1 mode */
0x04, /* FAN 2 mode */
0x12, /* FAN AUX mode */
};
static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 };
#define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */
#define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */
#define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */
#define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */
static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
W83627THF_REG_PWM3 };
#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
regpwm_627hf[nr] : regpwm[nr])
#define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */
#define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */
#define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */
#define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */
static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1,
W83637HF_REG_PWM_FREQ2,
W83637HF_REG_PWM_FREQ3 };
#define W83627HF_BASE_PWM_FREQ 46870
#define W83781D_REG_I2C_ADDR 0x48
#define W83781D_REG_I2C_SUBADDR 0x4A
/* Sensor selection */
#define W83781D_REG_SCFG1 0x5D
static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
#define W83781D_REG_SCFG2 0x59
static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
#define W83781D_DEFAULT_BETA 3435
/*
* Conversions. Limit checking is only done on the TO_REG
* variants. Note that you should be a bit careful with which arguments
* these macros are called: arguments may be evaluated more than once.
* Fixing this is just not worth it.
*/
#define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255))
#define IN_FROM_REG(val) ((val) * 16)
static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
return 255;
rpm = clamp_val(rpm, 1, 1000000);
return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
#define TEMP_MIN (-128000)
#define TEMP_MAX ( 127000)
/*
* TEMP: 0.001C/bit (-128C to +127C)
* REG: 1C/bit, two's complement
*/
static u8 TEMP_TO_REG(long temp)
{
int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX);
ntemp += (ntemp < 0 ? -500 : 500);
return (u8)(ntemp / 1000);
}
static int TEMP_FROM_REG(u8 reg)
{
return (s8)reg * 1000;
}
#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
#define PWM_TO_REG(val) (clamp_val((val), 0, 255))
static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
{
unsigned long freq;
freq = W83627HF_BASE_PWM_FREQ >> reg;
return freq;
}
static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
{
u8 i;
/*
* Only 5 dividers (1 2 4 8 16)
* Search for the nearest available frequency
*/
for (i = 0; i < 4; i++) {
if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
(W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
break;
}
return i;
}
static inline unsigned long pwm_freq_from_reg(u8 reg)
{
/* Clock bit 8 -> 180 kHz or 24 MHz */
unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL;
reg &= 0x7f;
/* This should not happen but anyway... */
if (reg == 0)
reg++;
return clock / (reg << 8);
}
static inline u8 pwm_freq_to_reg(unsigned long val)
{
/* Minimum divider value is 0x01 and maximum is 0x7F */
if (val >= 93750) /* The highest we can do */
return 0x01;
if (val >= 720) /* Use 24 MHz clock */
return 24000000UL / (val << 8);
if (val < 6) /* The lowest we can do */
return 0xFF;
else /* Use 180 kHz clock */
return 0x80 | (180000UL / (val << 8));
}
#define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff)
#define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff)
#define DIV_FROM_REG(val) (1 << (val))
static inline u8 DIV_TO_REG(long val)
{
int i;
val = clamp_val(val, 1, 128) >> 1;
for (i = 0; i < 7; i++) {
if (val == 0)
break;
val >>= 1;
}
return (u8)i;
}
/*
* For each registered chip, we need to keep some data in memory.
* The structure is dynamically allocated.
*/
struct w83627hf_data {
unsigned short addr;
const char *name;
struct device *hwmon_dev;
struct mutex lock;
enum chips type;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
u8 in[9]; /* Register value */
u8 in_max[9]; /* Register value */
u8 in_min[9]; /* Register value */
u8 fan[3]; /* Register value */
u8 fan_min[3]; /* Register value */
u16 temp[3]; /* Register value */
u16 temp_max[3]; /* Register value */
u16 temp_max_hyst[3]; /* Register value */
u8 fan_div[3]; /* Register encoding, shifted right */
u8 vid; /* Register encoding, combined */
u32 alarms; /* Register encoding, combined */
u32 beep_mask; /* Register encoding, combined */
u8 pwm[3]; /* Register value */
u8 pwm_enable[3]; /* 1 = manual
* 2 = thermal cruise (also called SmartFan I)
* 3 = fan speed cruise
*/
u8 pwm_freq[3]; /* Register value */
u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode;
* 4 = thermistor
*/
u8 vrm;
u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
#ifdef CONFIG_PM
/* Remember extra register values over suspend/resume */
u8 scfg1;
u8 scfg2;
#endif
};
static int w83627hf_probe(struct platform_device *pdev);
static int w83627hf_remove(struct platform_device *pdev);
static int w83627hf_read_value(struct w83627hf_data *data, u16 reg);
static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value);
static void w83627hf_update_fan_div(struct w83627hf_data *data);
static struct w83627hf_data *w83627hf_update_device(struct device *dev);
static void w83627hf_init_device(struct platform_device *pdev);
#ifdef CONFIG_PM
static int w83627hf_suspend(struct device *dev)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
mutex_lock(&data->update_lock);
data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
mutex_unlock(&data->update_lock);
return 0;
}
static int w83627hf_resume(struct device *dev)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
int i, num_temps = (data->type == w83697hf) ? 2 : 3;
/* Restore limits */
mutex_lock(&data->update_lock);
for (i = 0; i <= 8; i++) {
/* skip missing sensors */
if (((data->type == w83697hf) && (i == 1)) ||
((data->type != w83627hf && data->type != w83697hf)
&& (i == 5 || i == 6)))
continue;
w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
data->in_max[i]);
w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
data->in_min[i]);
}
for (i = 0; i <= 2; i++)
w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
data->fan_min[i]);
for (i = 0; i < num_temps; i++) {
w83627hf_write_value(data, w83627hf_reg_temp_over[i],
data->temp_max[i]);
w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
data->temp_max_hyst[i]);
}
/* Fixup BIOS bugs */
if (data->type == w83627thf || data->type == w83637hf ||
data->type == w83687thf)
w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
data->vrm_ovt);
w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
/* Force re-reading all values */
data->valid = 0;
mutex_unlock(&data->update_lock);
return 0;
}
static const struct dev_pm_ops w83627hf_dev_pm_ops = {
.suspend = w83627hf_suspend,
.resume = w83627hf_resume,
};
#define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops)
#else
#define W83627HF_DEV_PM_OPS NULL
#endif /* CONFIG_PM */
static struct platform_driver w83627hf_driver = {
.driver = {
.name = DRVNAME,
.pm = W83627HF_DEV_PM_OPS,
},
.probe = w83627hf_probe,
.remove = w83627hf_remove,
};
static ssize_t
in_input_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr]));
}
static ssize_t
in_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr]));
}
static ssize_t
in_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr]));
}
static ssize_t
in_min_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t
in_max_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1);
static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2);
static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3);
static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4);
static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5);
static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6);
static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7);
static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8);
static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
/* use a different set of functions for in0 */
static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
{
long in0;
if ((data->vrm_ovt & 0x01) &&
(w83627thf == data->type || w83637hf == data->type
|| w83687thf == data->type))
/* use VRM9 calculation */
in0 = (long)((reg * 488 + 70000 + 50) / 100);
else
/* use VRM8 (standard) calculation */
in0 = (long)IN_FROM_REG(reg);
return sprintf(buf,"%ld\n", in0);
}
static ssize_t in0_input_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
return show_in_0(data, buf, data->in[0]);
}
static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
return show_in_0(data, buf, data->in_min[0]);
}
static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
return show_in_0(data, buf, data->in_max[0]);
}
static ssize_t in0_min_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
if ((data->vrm_ovt & 0x01) &&
(w83627thf == data->type || w83637hf == data->type
|| w83687thf == data->type))
/* use VRM9 calculation */
data->in_min[0] =
clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
else
/* use VRM8 (standard) calculation */
data->in_min[0] = IN_TO_REG(val);
w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t in0_max_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
if ((data->vrm_ovt & 0x01) &&
(w83627thf == data->type || w83637hf == data->type
|| w83687thf == data->type))
/* use VRM9 calculation */
data->in_max[0] =
clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255);
else
/* use VRM8 (standard) calculation */
data->in_max[0] = IN_TO_REG(val);
w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]);
mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR_RO(in0_input);
static DEVICE_ATTR_RW(in0_min);
static DEVICE_ATTR_RW(in0_max);
static ssize_t
fan_input_show(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr],
(long)DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t
fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr],
(long)DIV_FROM_REG(data->fan_div[nr])));
}
static ssize_t
fan_min_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
data->fan_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0);
static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1);
static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2);
static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
static ssize_t
temp_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
u16 tmp = data->temp[nr];
return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
: (long) TEMP_FROM_REG(tmp));
}
static ssize_t
temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
u16 tmp = data->temp_max[nr];
return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
: (long) TEMP_FROM_REG(tmp));
}
static ssize_t
temp_max_hyst_show(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
u16 tmp = data->temp_max_hyst[nr];
return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp)
: (long) TEMP_FROM_REG(tmp));
}
static ssize_t
temp_max_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
u16 tmp;
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
mutex_lock(&data->update_lock);
data->temp_max[nr] = tmp;
w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t
temp_max_hyst_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
u16 tmp;
long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
mutex_lock(&data->update_lock);
data->temp_max_hyst[nr] = tmp;
w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0);
static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1);
static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2);
static ssize_t
cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR_RO(cpu0_vid);
static ssize_t
vrm_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%ld\n", (long) data->vrm);
}
static ssize_t
vrm_store(struct device *dev, struct device_attribute *attr, const char *buf,
size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
if (val > 255)
return -EINVAL;
data->vrm = val;
return count;
}
static DEVICE_ATTR_RW(vrm);
static ssize_t
alarms_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long) data->alarms);
}
static DEVICE_ATTR_RO(alarms);
static ssize_t
alarm_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16);
static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17);
static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5);
static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13);
static ssize_t
beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n",
(long)BEEP_MASK_FROM_REG(data->beep_mask));
}
static ssize_t
beep_mask_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
/* preserve beep enable */
data->beep_mask = (data->beep_mask & 0x8000)
| BEEP_MASK_TO_REG(val);
w83627hf_write_value(data, W83781D_REG_BEEP_INTS1,
data->beep_mask & 0xff);
w83627hf_write_value(data, W83781D_REG_BEEP_INTS3,
((data->beep_mask) >> 16) & 0xff);
w83627hf_write_value(data, W83781D_REG_BEEP_INTS2,
(data->beep_mask >> 8) & 0xff);
mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR_RW(beep_mask);
static ssize_t
beep_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627hf_data *data = w83627hf_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
return sprintf(buf, "%u\n", (data->beep_mask >> bitnr) & 1);
}
static ssize_t
beep_store(struct device *dev, struct device_attribute *attr, const char *buf,
size_t count)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
u8 reg;
unsigned long bit;
int err;
err = kstrtoul(buf, 10, &bit);
if (err)
return err;
if (bit & ~1)
return -EINVAL;
mutex_lock(&data->update_lock);
if (bit)
data->beep_mask |= (1 << bitnr);
else
data->beep_mask &= ~(1 << bitnr);
if (bitnr < 8) {
reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1);
if (bit)
reg |= (1 << bitnr);
else
reg &= ~(1 << bitnr);
w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, reg);
} else if (bitnr < 16) {
reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
if (bit)
reg |= (1 << (bitnr - 8));
else
reg &= ~(1 << (bitnr - 8));
w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, reg);
} else {
reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3);
if (bit)
reg |= (1 << (bitnr - 16));
else
reg &= ~(1 << (bitnr - 16));
w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, reg);
}
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0);
static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1);
static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2);
static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3);
static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8);
static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9);
static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10);
static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16);
static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17);
static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6);
static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7);
static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11);
static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4);
static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5);
static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13);
static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15);
static ssize_t
fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n",
(long) DIV_FROM_REG(data->fan_div[nr]));
}
/*
* Note: we save and restore the fan minimum here, because its value is
* determined in part by the fan divisor. This follows the principle of
* least surprise; the user doesn't expect the fan minimum to change just
* because the divisor changed.
*/
static ssize_t
fan_div_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long min;
u8 reg;
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
data->fan_div[nr] = DIV_TO_REG(val);
reg = (w83627hf_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
& (nr==0 ? 0xcf : 0x3f))
| ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
w83627hf_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
reg = (w83627hf_read_value(data, W83781D_REG_VBAT)
& ~(1 << (5 + nr)))
| ((data->fan_div[nr] & 0x04) << (3 + nr));
w83627hf_write_value(data, W83781D_REG_VBAT, reg);
/* Restore fan_min */
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
static ssize_t
pwm_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long) data->pwm[nr]);
}
static ssize_t
pwm_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
if (data->type == w83627thf) {
/* bits 0-3 are reserved in 627THF */
data->pwm[nr] = PWM_TO_REG(val) & 0xf0;
w83627hf_write_value(data,
W836X7HF_REG_PWM(data->type, nr),
data->pwm[nr] |
(w83627hf_read_value(data,
W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
} else {
data->pwm[nr] = PWM_TO_REG(val);
w83627hf_write_value(data,
W836X7HF_REG_PWM(data->type, nr),
data->pwm[nr]);
}
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
static ssize_t
pwm_enable_show(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%d\n", data->pwm_enable[nr]);
}
static ssize_t
pwm_enable_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
u8 reg;
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
if (!val || val > 3) /* modes 1, 2 and 3 are supported */
return -EINVAL;
mutex_lock(&data->update_lock);
data->pwm_enable[nr] = val;
reg = w83627hf_read_value(data, W83627THF_REG_PWM_ENABLE[nr]);
reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]);
reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr];
w83627hf_write_value(data, W83627THF_REG_PWM_ENABLE[nr], reg);
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0);
static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1);
static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2);
static ssize_t
pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
if (data->type == w83627hf)
return sprintf(buf, "%ld\n",
pwm_freq_from_reg_627hf(data->pwm_freq[nr]));
else
return sprintf(buf, "%ld\n",
pwm_freq_from_reg(data->pwm_freq[nr]));
}
static ssize_t
pwm_freq_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
static const u8 mask[]={0xF8, 0x8F};
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
if (data->type == w83627hf) {
data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val);
w83627hf_write_value(data, W83627HF_REG_PWM_FREQ,
(data->pwm_freq[nr] << (nr*4)) |
(w83627hf_read_value(data,
W83627HF_REG_PWM_FREQ) & mask[nr]));
} else {
data->pwm_freq[nr] = pwm_freq_to_reg(val);
w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr],
data->pwm_freq[nr]);
}
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0);
static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1);
static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2);
static ssize_t
temp_type_show(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = w83627hf_update_device(dev);
return sprintf(buf, "%ld\n", (long) data->sens[nr]);
}
static ssize_t
temp_type_store(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(devattr)->index;
struct w83627hf_data *data = dev_get_drvdata(dev);
unsigned long val;
u32 tmp;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock);
switch (val) {
case 1: /* PII/Celeron diode */
tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
w83627hf_write_value(data, W83781D_REG_SCFG1,
tmp | BIT_SCFG1[nr]);
tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
w83627hf_write_value(data, W83781D_REG_SCFG2,
tmp | BIT_SCFG2[nr]);
data->sens[nr] = val;
break;
case 2: /* 3904 */
tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
w83627hf_write_value(data, W83781D_REG_SCFG1,
tmp | BIT_SCFG1[nr]);
tmp = w83627hf_read_value(data, W83781D_REG_SCFG2);
w83627hf_write_value(data, W83781D_REG_SCFG2,
tmp & ~BIT_SCFG2[nr]);
data->sens[nr] = val;
break;
case W83781D_DEFAULT_BETA:
dev_warn(dev, "Sensor type %d is deprecated, please use 4 "
"instead\n", W83781D_DEFAULT_BETA);
/* fall through */
case 4: /* thermistor */
tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
w83627hf_write_value(data, W83781D_REG_SCFG1,
tmp & ~BIT_SCFG1[nr]);
data->sens[nr] = val;
break;
default:
dev_err(dev,
"Invalid sensor type %ld; must be 1, 2, or 4\n",
(long) val);
break;
}
mutex_unlock(&data->update_lock);
return count;
}
static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0);
static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1);
static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2);
static ssize_t
name_show(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", data->name);
}
static DEVICE_ATTR_RO(name);
static int __init w83627hf_find(int sioaddr, unsigned short *addr,
struct w83627hf_sio_data *sio_data)
{
int err;
u16 val;
static __initconst char *const names[] = {
"W83627HF",
"W83627THF",
"W83697HF",
"W83637HF",
"W83687THF",
};
sio_data->sioaddr = sioaddr;
err = superio_enter(sio_data);
if (err)
return err;
err = -ENODEV;
val = force_id ? force_id : superio_inb(sio_data, DEVID);
switch (val) {
case W627_DEVID:
sio_data->type = w83627hf;
break;
case W627THF_DEVID:
sio_data->type = w83627thf;
break;
case W697_DEVID:
sio_data->type = w83697hf;
break;
case W637_DEVID:
sio_data->type = w83637hf;
break;
case W687THF_DEVID:
sio_data->type = w83687thf;
break;
case 0xff: /* No device at all */
goto exit;
default:
pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val);
goto exit;
}
superio_select(sio_data, W83627HF_LD_HWM);
val = (superio_inb(sio_data, WINB_BASE_REG) << 8) |
superio_inb(sio_data, WINB_BASE_REG + 1);
*addr = val & WINB_ALIGNMENT;
if (*addr == 0) {
pr_warn("Base address not set, skipping\n");
goto exit;
}
val = superio_inb(sio_data, WINB_ACT_REG);
if (!(val & 0x01)) {
pr_warn("Enabling HWM logical device\n");
superio_outb(sio_data, WINB_ACT_REG, val | 0x01);
}
err = 0;
pr_info(DRVNAME ": Found %s chip at %#x\n",
names[sio_data->type], *addr);
exit:
superio_exit(sio_data);
return err;
}
#define VIN_UNIT_ATTRS(_X_) \
&sensor_dev_attr_in##_X_##_input.dev_attr.attr, \
&sensor_dev_attr_in##_X_##_min.dev_attr.attr, \
&sensor_dev_attr_in##_X_##_max.dev_attr.attr, \
&sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \
&sensor_dev_attr_in##_X_##_beep.dev_attr.attr
#define FAN_UNIT_ATTRS(_X_) \
&sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \
&sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \
&sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \
&sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \
&sensor_dev_attr_fan##_X_##_beep.dev_attr.attr
#define TEMP_UNIT_ATTRS(_X_) \
&sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \
&sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \
&sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \
&sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \
&sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \
&sensor_dev_attr_temp##_X_##_beep.dev_attr.attr
static struct attribute *w83627hf_attributes[] = {
&dev_attr_in0_input.attr,
&dev_attr_in0_min.attr,
&dev_attr_in0_max.attr,
&sensor_dev_attr_in0_alarm.dev_attr.attr,
&sensor_dev_attr_in0_beep.dev_attr.attr,
VIN_UNIT_ATTRS(2),
VIN_UNIT_ATTRS(3),
VIN_UNIT_ATTRS(4),
VIN_UNIT_ATTRS(7),
VIN_UNIT_ATTRS(8),
FAN_UNIT_ATTRS(1),
FAN_UNIT_ATTRS(2),
TEMP_UNIT_ATTRS(1),
TEMP_UNIT_ATTRS(2),
&dev_attr_alarms.attr,
&sensor_dev_attr_beep_enable.dev_attr.attr,
&dev_attr_beep_mask.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
&dev_attr_name.attr,
NULL
};
static const struct attribute_group w83627hf_group = {
.attrs = w83627hf_attributes,
};
static struct attribute *w83627hf_attributes_opt[] = {
VIN_UNIT_ATTRS(1),
VIN_UNIT_ATTRS(5),
VIN_UNIT_ATTRS(6),
FAN_UNIT_ATTRS(3),
TEMP_UNIT_ATTRS(3),
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
NULL
};
static const struct attribute_group w83627hf_group_opt = {
.attrs = w83627hf_attributes_opt,
};
static int w83627hf_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct w83627hf_sio_data *sio_data = dev_get_platdata(dev);
struct w83627hf_data *data;
struct resource *res;
int err, i;
static const char *names[] = {
"w83627hf",
"w83627thf",
"w83697hf",
"w83637hf",
"w83687thf",
};
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
(unsigned long)res->start,
(unsigned long)(res->start + WINB_REGION_SIZE - 1));
return -EBUSY;
}
data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->addr = res->start;
data->type = sio_data->type;
data->name = names[sio_data->type];
mutex_init(&data->lock);
mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
/* Initialize the chip */
w83627hf_init_device(pdev);
/* A few vars need to be filled upon startup */
for (i = 0; i <= 2; i++)
data->fan_min[i] = w83627hf_read_value(
data, W83627HF_REG_FAN_MIN(i));
w83627hf_update_fan_div(data);
/* Register common device attributes */
err = sysfs_create_group(&dev->kobj, &w83627hf_group);
if (err)
return err;
/* Register chip-specific device attributes */
if (data->type == w83627hf || data->type == w83697hf)
if ((err = device_create_file(dev,
&sensor_dev_attr_in5_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in5_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in5_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in5_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in5_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in6_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in6_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in6_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in6_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in6_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm1_freq.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm2_freq.dev_attr)))
goto error;
if (data->type != w83697hf)
if ((err = device_create_file(dev,
&sensor_dev_attr_in1_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_in1_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_fan3_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_fan3_min.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_fan3_div.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_fan3_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_fan3_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_input.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_max.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_max_hyst.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_alarm.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_type.dev_attr)))
goto error;
if (data->type != w83697hf && data->vid != 0xff) {
/* Convert VID to voltage based on VRM */
data->vrm = vid_which_vrm();
if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
|| (err = device_create_file(dev, &dev_attr_vrm)))
goto error;
}
if (data->type == w83627thf || data->type == w83637hf
|| data->type == w83687thf) {
err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
if (err)
goto error;
}
if (data->type == w83637hf || data->type == w83687thf)
if ((err = device_create_file(dev,
&sensor_dev_attr_pwm1_freq.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm2_freq.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm3_freq.dev_attr)))
goto error;
if (data->type != w83627hf)
if ((err = device_create_file(dev,
&sensor_dev_attr_pwm1_enable.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm2_enable.dev_attr)))
goto error;
if (data->type == w83627thf || data->type == w83637hf
|| data->type == w83687thf) {
err = device_create_file(dev,
&sensor_dev_attr_pwm3_enable.dev_attr);
if (err)
goto error;
}
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto error;
}
return 0;
error:
sysfs_remove_group(&dev->kobj, &w83627hf_group);
sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
return err;
}
static int w83627hf_remove(struct platform_device *pdev)
{
struct w83627hf_data *data = platform_get_drvdata(pdev);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
return 0;
}
/* Registers 0x50-0x5f are banked */
static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg)
{
if ((reg & 0x00f0) == 0x50) {
outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET);
}
}
/* Not strictly necessary, but play it safe for now */
static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg)
{
if (reg & 0xff00) {
outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET);
outb_p(0, data->addr + W83781D_DATA_REG_OFFSET);
}
}
static int w83627hf_read_value(struct w83627hf_data *data, u16 reg)
{
int res, word_sized;
mutex_lock(&data->lock);
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
&& (((reg & 0x00ff) == 0x50)
|| ((reg & 0x00ff) == 0x53)
|| ((reg & 0x00ff) == 0x55));
w83627hf_set_bank(data, reg);
outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
res = inb_p(data->addr + W83781D_DATA_REG_OFFSET);
if (word_sized) {
outb_p((reg & 0xff) + 1,
data->addr + W83781D_ADDR_REG_OFFSET);
res =
(res << 8) + inb_p(data->addr +
W83781D_DATA_REG_OFFSET);
}
w83627hf_reset_bank(data, reg);
mutex_unlock(&data->lock);
return res;
}
static int w83627thf_read_gpio5(struct platform_device *pdev)
{
struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
int res = 0xff, sel;
if (superio_enter(sio_data)) {
/*
* Some other driver reserved the address space for itself.
* We don't want to fail driver instantiation because of that,
* so display a warning and keep going.
*/
dev_warn(&pdev->dev,
"Can not read VID data: Failed to enable SuperIO access\n");
return res;
}
superio_select(sio_data, W83627HF_LD_GPIO5);
res = 0xff;
/* Make sure these GPIO pins are enabled */
if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) {
dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n");
goto exit;
}
/*
* Make sure the pins are configured for input
* There must be at least five (VRM 9), and possibly 6 (VRM 10)
*/
sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
if ((sel & 0x1f) != 0x1f) {
dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
"function\n");
goto exit;
}
dev_info(&pdev->dev, "Reading VID from GPIO5\n");
res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel;
exit:
superio_exit(sio_data);
return res;
}
static int w83687thf_read_vid(struct platform_device *pdev)
{
struct w83627hf_sio_data *sio_data = dev_get_platdata(&pdev->dev);
int res = 0xff;
if (superio_enter(sio_data)) {
/*
* Some other driver reserved the address space for itself.
* We don't want to fail driver instantiation because of that,
* so display a warning and keep going.
*/
dev_warn(&pdev->dev,
"Can not read VID data: Failed to enable SuperIO access\n");
return res;
}
superio_select(sio_data, W83627HF_LD_HWM);
/* Make sure these GPIO pins are enabled */
if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) {
dev_dbg(&pdev->dev, "VID disabled, no VID function\n");
goto exit;
}
/* Make sure the pins are configured for input */
if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) {
dev_dbg(&pdev->dev, "VID configured as output, "
"no VID function\n");
goto exit;
}
res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f;
exit:
superio_exit(sio_data);
return res;
}
static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value)
{
int word_sized;
mutex_lock(&data->lock);
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
&& (((reg & 0x00ff) == 0x53)
|| ((reg & 0x00ff) == 0x55));
w83627hf_set_bank(data, reg);
outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET);
if (word_sized) {
outb_p(value >> 8,
data->addr + W83781D_DATA_REG_OFFSET);
outb_p((reg & 0xff) + 1,
data->addr + W83781D_ADDR_REG_OFFSET);
}
outb_p(value & 0xff,
data->addr + W83781D_DATA_REG_OFFSET);
w83627hf_reset_bank(data, reg);
mutex_unlock(&data->lock);
return 0;
}
static void w83627hf_init_device(struct platform_device *pdev)
{
struct w83627hf_data *data = platform_get_drvdata(pdev);
int i;
enum chips type = data->type;
u8 tmp;
/* Minimize conflicts with other winbond i2c-only clients... */
/* disable i2c subclients... how to disable main i2c client?? */
/* force i2c address to relatively uncommon address */
if (type == w83627hf) {
w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89);
w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c);
}
/* Read VID only once */
if (type == w83627hf || type == w83637hf) {
int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
int hi = w83627hf_read_value(data, W83781D_REG_CHIPID);
data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
} else if (type == w83627thf) {
data->vid = w83627thf_read_gpio5(pdev);
} else if (type == w83687thf) {
data->vid = w83687thf_read_vid(pdev);
}
/* Read VRM & OVT Config only once */
if (type == w83627thf || type == w83637hf || type == w83687thf) {
data->vrm_ovt =
w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG);
}
tmp = w83627hf_read_value(data, W83781D_REG_SCFG1);
for (i = 1; i <= 3; i++) {
if (!(tmp & BIT_SCFG1[i - 1])) {
data->sens[i - 1] = 4;
} else {
if (w83627hf_read_value
(data,
W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
data->sens[i - 1] = 1;
else
data->sens[i - 1] = 2;
}
if ((type == w83697hf) && (i == 2))
break;
}
if(init) {
/* Enable temp2 */
tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG);
if (tmp & 0x01) {
dev_warn(&pdev->dev, "Enabling temp2, readings "
"might not make sense\n");
w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG,
tmp & 0xfe);
}
/* Enable temp3 */
if (type != w83697hf) {
tmp = w83627hf_read_value(data,
W83627HF_REG_TEMP3_CONFIG);
if (tmp & 0x01) {
dev_warn(&pdev->dev, "Enabling temp3, "
"readings might not make sense\n");
w83627hf_write_value(data,
W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe);
}
}
}
/* Start monitoring */
w83627hf_write_value(data, W83781D_REG_CONFIG,
(w83627hf_read_value(data,
W83781D_REG_CONFIG) & 0xf7)
| 0x01);
/* Enable VBAT monitoring if needed */
tmp = w83627hf_read_value(data, W83781D_REG_VBAT);
if (!(tmp & 0x01))
w83627hf_write_value(data, W83781D_REG_VBAT, tmp | 0x01);
}
static void w83627hf_update_fan_div(struct w83627hf_data *data)
{
int reg;
reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV);
data->fan_div[0] = (reg >> 4) & 0x03;
data->fan_div[1] = (reg >> 6) & 0x03;
if (data->type != w83697hf) {
data->fan_div[2] = (w83627hf_read_value(data,
W83781D_REG_PIN) >> 6) & 0x03;
}
reg = w83627hf_read_value(data, W83781D_REG_VBAT);
data->fan_div[0] |= (reg >> 3) & 0x04;
data->fan_div[1] |= (reg >> 4) & 0x04;
if (data->type != w83697hf)
data->fan_div[2] |= (reg >> 5) & 0x04;
}
static struct w83627hf_data *w83627hf_update_device(struct device *dev)
{
struct w83627hf_data *data = dev_get_drvdata(dev);
int i, num_temps = (data->type == w83697hf) ? 2 : 3;
int num_pwms = (data->type == w83697hf) ? 2 : 3;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
for (i = 0; i <= 8; i++) {
/* skip missing sensors */
if (((data->type == w83697hf) && (i == 1)) ||
((data->type != w83627hf && data->type != w83697hf)
&& (i == 5 || i == 6)))
continue;
data->in[i] =
w83627hf_read_value(data, W83781D_REG_IN(i));
data->in_min[i] =
w83627hf_read_value(data,
W83781D_REG_IN_MIN(i));
data->in_max[i] =
w83627hf_read_value(data,
W83781D_REG_IN_MAX(i));
}
for (i = 0; i <= 2; i++) {
data->fan[i] =
w83627hf_read_value(data, W83627HF_REG_FAN(i));
data->fan_min[i] =
w83627hf_read_value(data,
W83627HF_REG_FAN_MIN(i));
}
for (i = 0; i <= 2; i++) {
u8 tmp = w83627hf_read_value(data,
W836X7HF_REG_PWM(data->type, i));
/* bits 0-3 are reserved in 627THF */
if (data->type == w83627thf)
tmp &= 0xf0;
data->pwm[i] = tmp;
if (i == 1 &&
(data->type == w83627hf || data->type == w83697hf))
break;
}
if (data->type == w83627hf) {
u8 tmp = w83627hf_read_value(data,
W83627HF_REG_PWM_FREQ);
data->pwm_freq[0] = tmp & 0x07;
data->pwm_freq[1] = (tmp >> 4) & 0x07;
} else if (data->type != w83627thf) {
for (i = 1; i <= 3; i++) {
data->pwm_freq[i - 1] =
w83627hf_read_value(data,
W83637HF_REG_PWM_FREQ[i - 1]);
if (i == 2 && (data->type == w83697hf))
break;
}
}
if (data->type != w83627hf) {
for (i = 0; i < num_pwms; i++) {
u8 tmp = w83627hf_read_value(data,
W83627THF_REG_PWM_ENABLE[i]);
data->pwm_enable[i] =
((tmp >> W83627THF_PWM_ENABLE_SHIFT[i])
& 0x03) + 1;
}
}
for (i = 0; i < num_temps; i++) {
data->temp[i] = w83627hf_read_value(
data, w83627hf_reg_temp[i]);
data->temp_max[i] = w83627hf_read_value(
data, w83627hf_reg_temp_over[i]);
data->temp_max_hyst[i] = w83627hf_read_value(
data, w83627hf_reg_temp_hyst[i]);
}
w83627hf_update_fan_div(data);
data->alarms =
w83627hf_read_value(data, W83781D_REG_ALARM1) |
(w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) |
(w83627hf_read_value(data, W83781D_REG_ALARM3) << 16);
i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2);
data->beep_mask = (i << 8) |
w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) |
w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16;
data->last_updated = jiffies;
data->valid = 1;
}
mutex_unlock(&data->update_lock);
return data;
}
static int __init w83627hf_device_add(unsigned short address,
const struct w83627hf_sio_data *sio_data)
{
struct resource res = {
.start = address + WINB_REGION_OFFSET,
.end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1,
.name = DRVNAME,
.flags = IORESOURCE_IO,
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;
pr_err("Device allocation failed\n");
goto exit;
}
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
pr_err("Device resource addition failed (%d)\n", err);
goto exit_device_put;
}
err = platform_device_add_data(pdev, sio_data,
sizeof(struct w83627hf_sio_data));
if (err) {
pr_err("Platform data allocation failed\n");
goto exit_device_put;
}
err = platform_device_add(pdev);
if (err) {
pr_err("Device addition failed (%d)\n", err);
goto exit_device_put;
}
return 0;
exit_device_put:
platform_device_put(pdev);
exit:
return err;
}
static int __init sensors_w83627hf_init(void)
{
int err;
unsigned short address;
struct w83627hf_sio_data sio_data;
if (w83627hf_find(0x2e, &address, &sio_data)
&& w83627hf_find(0x4e, &address, &sio_data))
return -ENODEV;
err = platform_driver_register(&w83627hf_driver);
if (err)
goto exit;
/* Sets global pdev as a side effect */
err = w83627hf_device_add(address, &sio_data);
if (err)
goto exit_driver;
return 0;
exit_driver:
platform_driver_unregister(&w83627hf_driver);
exit:
return err;
}
static void __exit sensors_w83627hf_exit(void)
{
platform_device_unregister(pdev);
platform_driver_unregister(&w83627hf_driver);
}
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
"Philip Edelbrock <phil@netroedge.com>, "
"and Mark Studebaker <mdsxyz123@yahoo.com>");
MODULE_DESCRIPTION("W83627HF driver");
MODULE_LICENSE("GPL");
module_init(sensors_w83627hf_init);
module_exit(sensors_w83627hf_exit);
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