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pc87360.c
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pc87360.c
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/*
* pc87360.c - Part of lm_sensors, Linux kernel modules
* for hardware monitoring
* Copyright (C) 2004, 2007 Jean Delvare <khali@linux-fr.org>
*
* Copied from smsc47m1.c:
* Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
*
* 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.
*
* Supports the following chips:
*
* Chip #vin #fan #pwm #temp devid
* PC87360 - 2 2 - 0xE1
* PC87363 - 2 2 - 0xE8
* PC87364 - 3 3 - 0xE4
* PC87365 11 3 3 2 0xE5
* PC87366 11 3 3 3-4 0xE9
*
* This driver assumes that no more than one chip is present, and one of
* the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
*/
#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/acpi.h>
#include <linux/io.h>
static u8 devid;
static struct platform_device *pdev;
static unsigned short extra_isa[3];
static u8 confreg[4];
static int init = 1;
module_param(init, int, 0);
MODULE_PARM_DESC(init,
"Chip initialization level:\n"
" 0: None\n"
"*1: Forcibly enable internal voltage and temperature channels, except in9\n"
" 2: Forcibly enable all voltage and temperature channels, except in9\n"
" 3: Forcibly enable all voltage and temperature channels, including in9");
static unsigned short force_id;
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
/*
* Super-I/O registers and operations
*/
#define DEV 0x07 /* Register: Logical device select */
#define DEVID 0x20 /* Register: Device ID */
#define ACT 0x30 /* Register: Device activation */
#define BASE 0x60 /* Register: Base address */
#define FSCM 0x09 /* Logical device: fans */
#define VLM 0x0d /* Logical device: voltages */
#define TMS 0x0e /* Logical device: temperatures */
#define LDNI_MAX 3
static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS };
#define LD_FAN 0
#define LD_IN 1
#define LD_TEMP 2
static inline void superio_outb(int sioaddr, int reg, int val)
{
outb(reg, sioaddr);
outb(val, sioaddr+1);
}
static inline int superio_inb(int sioaddr, int reg)
{
outb(reg, sioaddr);
return inb(sioaddr+1);
}
static inline void superio_exit(int sioaddr)
{
outb(0x02, sioaddr);
outb(0x02, sioaddr+1);
}
/*
* Logical devices
*/
#define PC87360_EXTENT 0x10
#define PC87365_REG_BANK 0x09
#define NO_BANK 0xff
/*
* Fan registers and conversions
*/
/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
#define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
480000 / ((val)*(div)))
#define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
480000 / ((val)*(div)))
#define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
#define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
#define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
#define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
#define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
static inline u8 PWM_TO_REG(int val, int inv)
{
if (inv)
val = 255 - val;
if (val < 0)
return 0;
if (val > 255)
return 255;
return val;
}
/*
* Voltage registers and conversions
*/
#define PC87365_REG_IN_CONVRATE 0x07
#define PC87365_REG_IN_CONFIG 0x08
#define PC87365_REG_IN 0x0B
#define PC87365_REG_IN_MIN 0x0D
#define PC87365_REG_IN_MAX 0x0C
#define PC87365_REG_IN_STATUS 0x0A
#define PC87365_REG_IN_ALARMS1 0x00
#define PC87365_REG_IN_ALARMS2 0x01
#define PC87365_REG_VID 0x06
#define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
#define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
(val)*256 >= (ref)*255 ? 255: \
((val) * 256 + (ref)/2) / (ref))
/*
* Temperature registers and conversions
*/
#define PC87365_REG_TEMP_CONFIG 0x08
#define PC87365_REG_TEMP 0x0B
#define PC87365_REG_TEMP_MIN 0x0D
#define PC87365_REG_TEMP_MAX 0x0C
#define PC87365_REG_TEMP_CRIT 0x0E
#define PC87365_REG_TEMP_STATUS 0x0A
#define PC87365_REG_TEMP_ALARMS 0x00
#define TEMP_FROM_REG(val) ((val) * 1000)
#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
(val) > 127000 ? 127 : \
(val) < 0 ? ((val) - 500) / 1000 : \
((val) + 500) / 1000)
/*
* Device data
*/
struct pc87360_data {
const char *name;
struct device *hwmon_dev;
struct mutex lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
int address[3];
u8 fannr, innr, tempnr;
u8 fan[3]; /* Register value */
u8 fan_min[3]; /* Register value */
u8 fan_status[3]; /* Register value */
u8 pwm[3]; /* Register value */
u16 fan_conf; /* Configuration register values, combined */
u16 in_vref; /* 1 mV/bit */
u8 in[14]; /* Register value */
u8 in_min[14]; /* Register value */
u8 in_max[14]; /* Register value */
u8 in_crit[3]; /* Register value */
u8 in_status[14]; /* Register value */
u16 in_alarms; /* Register values, combined, masked */
u8 vid_conf; /* Configuration register value */
u8 vrm;
u8 vid; /* Register value */
s8 temp[3]; /* Register value */
s8 temp_min[3]; /* Register value */
s8 temp_max[3]; /* Register value */
s8 temp_crit[3]; /* Register value */
u8 temp_status[3]; /* Register value */
u8 temp_alarms; /* Register value, masked */
};
/*
* Functions declaration
*/
static int pc87360_probe(struct platform_device *pdev);
static int __devexit pc87360_remove(struct platform_device *pdev);
static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg);
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg, u8 value);
static void pc87360_init_device(struct platform_device *pdev,
int use_thermistors);
static struct pc87360_data *pc87360_update_device(struct device *dev);
/*
* Driver data
*/
static struct platform_driver pc87360_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "pc87360",
},
.probe = pc87360_probe,
.remove = __devexit_p(pc87360_remove),
};
/*
* Sysfs stuff
*/
static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
FAN_DIV_FROM_REG(data->fan_status[attr->index])));
}
static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
FAN_DIV_FROM_REG(data->fan_status[attr->index])));
}
static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n",
FAN_DIV_FROM_REG(data->fan_status[attr->index]));
}
static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n",
FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
}
static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long fan_min = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
/* If it wouldn't fit, change clock divisor */
while (fan_min > 255
&& (data->fan_status[attr->index] & 0x60) != 0x60) {
fan_min >>= 1;
data->fan[attr->index] >>= 1;
data->fan_status[attr->index] += 0x20;
}
data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index),
data->fan_min[attr->index]);
/* Write new divider, preserve alarm bits */
pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
data->fan_status[attr->index] & 0xF9);
mutex_unlock(&data->update_lock);
return count;
}
static struct sensor_device_attribute fan_input[] = {
SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0),
SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1),
SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2),
};
static struct sensor_device_attribute fan_status[] = {
SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0),
SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1),
SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2),
};
static struct sensor_device_attribute fan_div[] = {
SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
};
static struct sensor_device_attribute fan_min[] = {
SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0),
SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1),
SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
};
#define FAN_UNIT_ATTRS(X) \
&fan_input[X].dev_attr.attr, \
&fan_status[X].dev_attr.attr, \
&fan_div[X].dev_attr.attr, \
&fan_min[X].dev_attr.attr
static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n",
PWM_FROM_REG(data->pwm[attr->index],
FAN_CONFIG_INVERT(data->fan_conf,
attr->index)));
}
static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->pwm[attr->index] = PWM_TO_REG(val,
FAN_CONFIG_INVERT(data->fan_conf, attr->index));
pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
data->pwm[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static struct sensor_device_attribute pwm[] = {
SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0),
SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1),
SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
};
static struct attribute * pc8736x_fan_attr_array[] = {
FAN_UNIT_ATTRS(0),
FAN_UNIT_ATTRS(1),
FAN_UNIT_ATTRS(2),
&pwm[0].dev_attr.attr,
&pwm[1].dev_attr.attr,
&pwm[2].dev_attr.attr,
NULL
};
static const struct attribute_group pc8736x_fan_group = {
.attrs = pc8736x_fan_attr_array,
};
static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
data->in_vref));
}
static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
data->in_vref));
}
static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
data->in_vref));
}
static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->in_status[attr->index]);
}
static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
data->in_min[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val,
data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
data->in_max[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static struct sensor_device_attribute in_input[] = {
SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0),
SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1),
SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2),
SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3),
SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4),
SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5),
SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6),
SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7),
SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8),
SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9),
SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10),
};
static struct sensor_device_attribute in_status[] = {
SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0),
SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1),
SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2),
SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3),
SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4),
SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5),
SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6),
SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7),
SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8),
SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9),
SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10),
};
static struct sensor_device_attribute in_min[] = {
SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0),
SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1),
SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2),
SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3),
SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4),
SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5),
SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6),
SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7),
SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8),
SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9),
SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10),
};
static struct sensor_device_attribute in_max[] = {
SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0),
SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1),
SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2),
SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3),
SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4),
SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5),
SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6),
SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7),
SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8),
SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9),
SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
};
/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */
#define CHAN_ALM_MIN 0x02 /* min limit crossed */
#define CHAN_ALM_MAX 0x04 /* max limit exceeded */
#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */
/* show_in_min/max_alarm() reads data from the per-channel status
register (sec 11.5.12), not the vin event status registers (sec
11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
static ssize_t show_in_min_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
}
static ssize_t show_in_max_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
}
static struct sensor_device_attribute in_min_alarm[] = {
SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0),
SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1),
SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2),
SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3),
SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4),
SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5),
SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6),
SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7),
SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8),
SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9),
SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10),
};
static struct sensor_device_attribute in_max_alarm[] = {
SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0),
SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1),
SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2),
SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3),
SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4),
SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5),
SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6),
SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7),
SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8),
SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9),
SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10),
};
#define VIN_UNIT_ATTRS(X) \
&in_input[X].dev_attr.attr, \
&in_status[X].dev_attr.attr, \
&in_min[X].dev_attr.attr, \
&in_max[X].dev_attr.attr, \
&in_min_alarm[X].dev_attr.attr, \
&in_max_alarm[X].dev_attr.attr
static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pc87360_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", data->vrm);
}
static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct pc87360_data *data = dev_get_drvdata(dev);
data->vrm = simple_strtoul(buf, NULL, 10);
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->in_alarms);
}
static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
static struct attribute *pc8736x_vin_attr_array[] = {
VIN_UNIT_ATTRS(0),
VIN_UNIT_ATTRS(1),
VIN_UNIT_ATTRS(2),
VIN_UNIT_ATTRS(3),
VIN_UNIT_ATTRS(4),
VIN_UNIT_ATTRS(5),
VIN_UNIT_ATTRS(6),
VIN_UNIT_ATTRS(7),
VIN_UNIT_ATTRS(8),
VIN_UNIT_ATTRS(9),
VIN_UNIT_ATTRS(10),
&dev_attr_cpu0_vid.attr,
&dev_attr_vrm.attr,
&dev_attr_alarms_in.attr,
NULL
};
static const struct attribute_group pc8736x_vin_group = {
.attrs = pc8736x_vin_attr_array,
};
static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
data->in_vref));
}
static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
data->in_vref));
}
static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
data->in_vref));
}
static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
data->in_vref));
}
static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->in_status[attr->index]);
}
static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
data->in_min[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
data->in_max[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
data->in_crit[attr->index-11]);
mutex_unlock(&data->update_lock);
return count;
}
/* the +11 term below reflects the fact that VLM units 11,12,13 are
used in the chip to measure voltage across the thermistors
*/
static struct sensor_device_attribute therm_input[] = {
SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11),
SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11),
SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11),
};
static struct sensor_device_attribute therm_status[] = {
SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11),
SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11),
SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11),
};
static struct sensor_device_attribute therm_min[] = {
SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
show_therm_min, set_therm_min, 0+11),
SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
show_therm_min, set_therm_min, 1+11),
SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
show_therm_min, set_therm_min, 2+11),
};
static struct sensor_device_attribute therm_max[] = {
SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
show_therm_max, set_therm_max, 0+11),
SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
show_therm_max, set_therm_max, 1+11),
SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
show_therm_max, set_therm_max, 2+11),
};
static struct sensor_device_attribute therm_crit[] = {
SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
show_therm_crit, set_therm_crit, 0+11),
SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
show_therm_crit, set_therm_crit, 1+11),
SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
show_therm_crit, set_therm_crit, 2+11),
};
/* show_therm_min/max_alarm() reads data from the per-channel voltage
status register (sec 11.5.12) */
static ssize_t show_therm_min_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
}
static ssize_t show_therm_max_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
}
static ssize_t show_therm_crit_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT));
}
static struct sensor_device_attribute therm_min_alarm[] = {
SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
show_therm_min_alarm, NULL, 0+11),
SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
show_therm_min_alarm, NULL, 1+11),
SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
show_therm_min_alarm, NULL, 2+11),
};
static struct sensor_device_attribute therm_max_alarm[] = {
SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
show_therm_max_alarm, NULL, 0+11),
SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
show_therm_max_alarm, NULL, 1+11),
SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
show_therm_max_alarm, NULL, 2+11),
};
static struct sensor_device_attribute therm_crit_alarm[] = {
SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
show_therm_crit_alarm, NULL, 0+11),
SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
show_therm_crit_alarm, NULL, 1+11),
SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
show_therm_crit_alarm, NULL, 2+11),
};
#define THERM_UNIT_ATTRS(X) \
&therm_input[X].dev_attr.attr, \
&therm_status[X].dev_attr.attr, \
&therm_min[X].dev_attr.attr, \
&therm_max[X].dev_attr.attr, \
&therm_crit[X].dev_attr.attr, \
&therm_min_alarm[X].dev_attr.attr, \
&therm_max_alarm[X].dev_attr.attr, \
&therm_crit_alarm[X].dev_attr.attr
static struct attribute * pc8736x_therm_attr_array[] = {
THERM_UNIT_ATTRS(0),
THERM_UNIT_ATTRS(1),
THERM_UNIT_ATTRS(2),
NULL
};
static const struct attribute_group pc8736x_therm_group = {
.attrs = pc8736x_therm_attr_array,
};
static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
}
static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
}
static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
}
static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index]));
}
static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%d\n", data->temp_status[attr->index]);
}
static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_min[attr->index] = TEMP_TO_REG(val);
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
data->temp_min[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
data->temp_max[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
size_t count)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87360_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_crit[attr->index] = TEMP_TO_REG(val);
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
data->temp_crit[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
static struct sensor_device_attribute temp_input[] = {
SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0),
SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1),
SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2),
};
static struct sensor_device_attribute temp_status[] = {
SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0),
SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1),
SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2),
};
static struct sensor_device_attribute temp_min[] = {
SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR,
show_temp_min, set_temp_min, 0),
SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR,
show_temp_min, set_temp_min, 1),
SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR,
show_temp_min, set_temp_min, 2),
};
static struct sensor_device_attribute temp_max[] = {
SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR,
show_temp_max, set_temp_max, 0),
SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR,
show_temp_max, set_temp_max, 1),
SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR,
show_temp_max, set_temp_max, 2),
};
static struct sensor_device_attribute temp_crit[] = {
SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
show_temp_crit, set_temp_crit, 0),
SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR,
show_temp_crit, set_temp_crit, 1),
SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR,
show_temp_crit, set_temp_crit, 2),
};
static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
return sprintf(buf, "%u\n", data->temp_alarms);
}
static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
/* show_temp_min/max_alarm() reads data from the per-channel status
register (sec 12.3.7), not the temp event status registers (sec
12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */
static ssize_t show_temp_min_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
}
static ssize_t show_temp_max_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
}
static ssize_t show_temp_crit_alarm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT));
}
static struct sensor_device_attribute temp_min_alarm[] = {
SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0),
SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
};
static struct sensor_device_attribute temp_max_alarm[] = {
SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
};
static struct sensor_device_attribute temp_crit_alarm[] = {
SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2),
};
#define TEMP_FAULT 0x40 /* open diode */
static ssize_t show_temp_fault(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = pc87360_update_device(dev);
unsigned nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT));
}
static struct sensor_device_attribute temp_fault[] = {
SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0),
SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1),
SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
};
#define TEMP_UNIT_ATTRS(X) \
&temp_input[X].dev_attr.attr, \
&temp_status[X].dev_attr.attr, \
&temp_min[X].dev_attr.attr, \
&temp_max[X].dev_attr.attr, \
&temp_crit[X].dev_attr.attr, \
&temp_min_alarm[X].dev_attr.attr, \
&temp_max_alarm[X].dev_attr.attr, \
&temp_crit_alarm[X].dev_attr.attr, \
&temp_fault[X].dev_attr.attr
static struct attribute * pc8736x_temp_attr_array[] = {
TEMP_UNIT_ATTRS(0),
TEMP_UNIT_ATTRS(1),
TEMP_UNIT_ATTRS(2),
/* include the few miscellaneous atts here */
&dev_attr_alarms_temp.attr,
NULL
};
static const struct attribute_group pc8736x_temp_group = {
.attrs = pc8736x_temp_attr_array,
};
static ssize_t show_name(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", data->name);
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
/*
* Device detection, registration and update