Re: Shutdown due to thermal event (sid)
On Sat, 29 Oct 2005, Mauro Condarelli wrote:
> The machine is a: Intel(R) Pentium(R) 4 CPU 2.80GHz based on an Intel
> motherboard (D865GBF) with 1Gb RAM, a lot of disks (I added a PCI board
> with tertiary and quaternary IDE channels) running:
[...]
> adm1027-i2c-0-2e
The hwmon driver for this chip is buggy, and won't override a bad BIOS
fuckup that Intel likes to do with all mobos where they install at random a
lm85c, adm1027 or emc6d101. adm1027 will not forgive you for trying to read
the tachometer of a pwm-driven fan in "non-pwm-aware tachometer mode" and
the BIOS screws this up and leaves the fan tachometers in non-pwm-aware
mode.
Use the attached lm85.c file instead of the one in the kernel. These
changes will be refactored and sent in a far more properly way to hwmon
upstream in a not so distant future. USE IT AT YOUR OWN RISK.
> I tried to install the fancontrol script (from the sensors package), but the configuration script (pwmconfig) failed badly:
The logic inside the adm1027 is way better, use it. Setup the chip directly
in sysfs, as lm-sensors usermode code is broken, too.
> The incriminated line tries to access /proc/sys/dev/sensors/... that is
> not present on my machine (/proc/sys/dev holds only four subdirs: cdrom,
> hpet, parport and scsi). I have to assume that something went wrong with
> my installation of sensors, but I cannot understand what!
> Sensord/sensors/xsensors seem to work fine. What am I missing?
/sys/bus/i2c/devices/
/proc I2C is dead in 2.6.
For reference, this is the /etc/sysfs.conf setup for a D875PBZ with a P4
2.8C that I use:
##
## ADM-1027 temperature monitor / fan controller
##
# Device setup (maybe overriden later by /etc/sensors.conf)
# Generated using sensors.conf, look there.
class/i2c-adapter/i2c-0/device/0-002e/vrm = 91
class/i2c-adapter/i2c-0/device/0-002e/in0_max = 1576
class/i2c-adapter/i2c-0/device/0-002e/in0_min = 1419
class/i2c-adapter/i2c-0/device/0-002e/in1_max = 1523
class/i2c-adapter/i2c-0/device/0-002e/in1_min = 1301
class/i2c-adapter/i2c-0/device/0-002e/in2_max = 3472
class/i2c-adapter/i2c-0/device/0-002e/in2_min = 3128
class/i2c-adapter/i2c-0/device/0-002e/in3_max = 5260
class/i2c-adapter/i2c-0/device/0-002e/in3_min = 4740
class/i2c-adapter/i2c-0/device/0-002e/in4_max = 12625
class/i2c-adapter/i2c-0/device/0-002e/in4_min = 11375
## Temperature control ##
# temp1: CPU Temperature
class/i2c-adapter/i2c-0/device/0-002e/temp1_min = 05000
class/i2c-adapter/i2c-0/device/0-002e/temp1_max = 80000
class/i2c-adapter/i2c-0/device/0-002e/temp1_auto_temp_off = 26000
class/i2c-adapter/i2c-0/device/0-002e/temp1_auto_temp_min = 45000
class/i2c-adapter/i2c-0/device/0-002e/temp1_auto_temp_max = 55000
class/i2c-adapter/i2c-0/device/0-002e/temp1_auto_temp_crit = 65000
# temp2: ADM1027 Temperature
class/i2c-adapter/i2c-0/device/0-002e/temp2_min = 00000
class/i2c-adapter/i2c-0/device/0-002e/temp2_max = 60000
class/i2c-adapter/i2c-0/device/0-002e/temp2_auto_temp_off = 35000
class/i2c-adapter/i2c-0/device/0-002e/temp2_auto_temp_min = 35500
class/i2c-adapter/i2c-0/device/0-002e/temp2_auto_temp_max = 50000
class/i2c-adapter/i2c-0/device/0-002e/temp2_auto_temp_crit = 50000
# temp3: Motherboard (environment) Temperature
class/i2c-adapter/i2c-0/device/0-002e/temp3_min = 00000
class/i2c-adapter/i2c-0/device/0-002e/temp3_max = 55000
class/i2c-adapter/i2c-0/device/0-002e/temp3_auto_temp_off = 35000
class/i2c-adapter/i2c-0/device/0-002e/temp3_auto_temp_min = 35500
class/i2c-adapter/i2c-0/device/0-002e/temp3_auto_temp_max = 50000
class/i2c-adapter/i2c-0/device/0-002e/temp3_auto_temp_crit = 60000
## Fan and PWM control ##
class/i2c-adapter/i2c-0/device/0-002e/auto_acoustics_enhancement = 2
# fan1: CPU fan
class/i2c-adapter/i2c-0/device/0-002e/fan1_min = 2000
class/i2c-adapter/i2c-0/device/0-002e/pwm1_auto_channels = -1
# fan2: VR fan
class/i2c-adapter/i2c-0/device/0-002e/fan2_min = 1800
class/i2c-adapter/i2c-0/device/0-002e/pwm2_auto_channels = -1
# fan3: Front fan and fan4: Rear fan
class/i2c-adapter/i2c-0/device/0-002e/fan3_min = 1000
class/i2c-adapter/i2c-0/device/0-002e/fan4_min = 1000
class/i2c-adapter/i2c-0/device/0-002e/pwm3_auto_channels = 23
class/i2c-adapter/i2c-0/device/0-002e/pwm3_auto_pwm_freq = 100
class/i2c-adapter/i2c-0/device/0-002e/pwm3_auto_pwm_min = 77
class/i2c-adapter/i2c-0/device/0-002e/pwm3_auto_pwm_minctl = 0
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
/*
lm85.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
Copyright (c) 2005 Henrique de Moraes Holschuh <hmh@debian.org>
Chip details at <http://www.national.com/ds/LM/LM85.pdf>
<http://www.analog.com/en/prod/0,,766_825_ADM1027,00.html>
<http://www.analog.com/en/prod/0,,766_825_ADT7463,00.html>
<http://www.smsc.com/main/tools/discontinued/6d100.pdf>
<http://www.smsc.com/main/catalog/emc6d102.html>
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.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <linux/i2c-vid.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
/* The LM85 registers */
#define LM85_REG_IN(nr) (0x20 + (nr))
#define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2)
#define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2)
#define LM85_REG_TEMP(nr) (0x25 + (nr))
#define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2)
#define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2)
/* Fan speeds are LSB, MSB (2 bytes) */
#define LM85_REG_FAN(nr) (0x28 + (nr) *2)
#define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2)
#define LM85_REG_PWM(nr) (0x30 + (nr))
#define ADT7463_REG_OPPOINT(nr) (0x33 + (nr))
#define ADT7463_REG_TMIN_CTL1 0x36
#define ADT7463_REG_TMIN_CTL2 0x37
#define LM85_REG_DEVICE 0x3d
#define LM85_REG_COMPANY 0x3e
#define LM85_REG_VERSTEP 0x3f
/* These are the recognized values for the above regs */
#define LM85_DEVICE_ADX 0x27
#define LM85_COMPANY_NATIONAL 0x01
#define LM85_COMPANY_ANALOG_DEV 0x41
#define LM85_COMPANY_SMSC 0x5c
#define LM85_VERSTEP_VMASK 0xf0
#define LM85_VERSTEP_GENERIC 0x60
#define LM85_VERSTEP_LM85C 0x60
#define LM85_VERSTEP_LM85B 0x62
#define LM85_VERSTEP_ADM1027 0x60
#define LM85_VERSTEP_ADT7463 0x62
#define LM85_VERSTEP_ADT7463C 0x6A
#define LM85_VERSTEP_EMC6D100_A0 0x60
#define LM85_VERSTEP_EMC6D100_A1 0x61
#define LM85_VERSTEP_EMC6D102 0x65
#define LM85_REG_CONFIG 0x40
#define LM85_REG_ALARM1 0x41
#define LM85_REG_ALARM2 0x42
#define LM85_REG_VID 0x43
/* Automated FAN control */
#define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr))
#define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr))
#define LM85_REG_AFAN_SPIKE1 0x62
#define LM85_REG_AFAN_SPIKE2 0x63
#define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr))
#define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr))
#define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr))
#define LM85_REG_AFAN_HYST1 0x6d
#define LM85_REG_AFAN_HYST2 0x6e
#define LM85_REG_TACH_MODE 0x74
#define LM85_REG_SPINUP_CTL 0x75
#define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr))
#define ADM1027_REG_CONFIG2 0x73
#define ADM1027_REG_INTMASK1 0x74
#define ADM1027_REG_INTMASK2 0x75
#define ADM1027_REG_EXTEND_ADC1 0x76
#define ADM1027_REG_EXTEND_ADC2 0x77
#define ADM1027_REG_CONFIG3 0x78
#define ADM1027_REG_FAN_PPR 0x7b
#define ADT7463_REG_THERM 0x79
#define ADT7463_REG_THERM_LIMIT 0x7A
#define EMC6D100_REG_ALARM3 0x7d
/* IN5, IN6 and IN7 */
#define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5))
#define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2)
#define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2)
#define EMC6D100_REG_TACH_PWM 0x81
#define EMC6D102_REG_EXTEND_ADC1 0x85
#define EMC6D102_REG_EXTEND_ADC2 0x86
#define EMC6D102_REG_EXTEND_ADC3 0x87
#define EMC6D102_REG_EXTEND_ADC4 0x88
#define EMC6D102_REG_TACH_OPTION(nr) (0x90 + ((nr)-1))
#define LM85_ALARM_IN0 0x0001
#define LM85_ALARM_IN1 0x0002
#define LM85_ALARM_IN2 0x0004
#define LM85_ALARM_IN3 0x0008
#define LM85_ALARM_TEMP1 0x0010
#define LM85_ALARM_TEMP2 0x0020
#define LM85_ALARM_TEMP3 0x0040
#define LM85_ALARM_ALARM2 0x0080
#define LM85_ALARM_IN4 0x0100
#define LM85_ALARM_RESERVED 0x0200
#define LM85_ALARM_FAN1 0x0400
#define LM85_ALARM_FAN2 0x0800
#define LM85_ALARM_FAN3 0x1000
#define LM85_ALARM_FAN4 0x2000
#define LM85_ALARM_TEMP1_FAULT 0x4000
#define LM85_ALARM_TEMP3_FAULT 0x8000
/* Default fan/pwm map for automatic PWM control. emc6d100-102
* has configurable maps. LM85, ADM1027 and ADT7463 don't.
*
* We use the EMC TACH_PWM register format for simplicity.
*
* Fortunately, all chips default to the LM85-mandated map.
* ADM1027/ADT7463 can work with different maps, but don't expect
* it to behave well, so we do not implement this.
*
* Default is: pwm1-fan1, pwm2-fan2, pwm3-fan3+4
*/
#define LM85_DEFAULT_FAN_MAP 0xA5
/* Conversions. Rounding and 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.
*/
/* IN are scaled acording to built-in resistors */
static int lm85_scaling[] = { /* .001 Volts */
2500, 2250, 3300, 5000, 12000,
3300, 1500, 1800 /*EMC6D100*/
};
#define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from))
#define INS_TO_REG(n,val) \
SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255)
#define INSEXT_FROM_REG(n,val,ext,scale) \
SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n])
#define INS_FROM_REG(n,val) INSEXT_FROM_REG(n,val,0,1)
/* FAN speed is measured using 90kHz clock */
#define FAN_TO_REG(val) (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534))
#define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val))
/* Temperature is reported in .001 degC increments */
#define TEMP_TO_REG(val) \
SENSORS_LIMIT(SCALE(val,1000,1),-127,127)
#define TEMPEXT_FROM_REG(val,ext,scale) \
SCALE((val)*scale + (ext),scale,1000)
#define TEMP_FROM_REG(val) \
TEMPEXT_FROM_REG(val,0,1)
#define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
#define PWM_FROM_REG(val) (val)
/* ZONEs have the following parameters:
* Limit (low) temp, 1. degC
* Hysteresis (below limit), 1. degC (0-15)
* Range of speed control, .1 degC (2-80)
* Critical (high) temp, 1. degC
*
* FAN PWMs have the following parameters:
* Reference Zone, 1, 2, 3, etc.
* Spinup time, .05 sec
* PWM value at limit/low temp, 1 count
* PWM Frequency, 1. Hz
* PWM is Min or OFF below limit, flag
* Invert PWM output, flag
*
* Some chips filter the temp, others the fan.
* Filter constant (or disabled) .1 seconds
*/
/* These are the zone temperature range encodings in .001 degree C */
static int lm85_range_map[] = {
2000, 2500, 3300, 4000, 5000, 6600,
8000, 10000, 13300, 16000, 20000, 26600,
32000, 40000, 53300, 80000
};
static int RANGE_TO_REG( int range )
{
int i;
if ( range < lm85_range_map[0] ) {
return 0 ;
} else if ( range > lm85_range_map[15] ) {
return 15 ;
} else { /* find closest match */
for ( i = 14 ; i >= 0 ; --i ) {
if ( range > lm85_range_map[i] ) { /* range bracketed */
if ((lm85_range_map[i+1] - range) <
(range - lm85_range_map[i])) {
i++;
break;
}
break;
}
}
}
return( i & 0x0f );
}
#define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f])
/* These are the Acoustic Enhancement, or
* Temperature smoothing encodings */
static int lm85_smooth_map[] = { /* .1 s */
350, 176, 118, 70, 44, 30, 16, 8
};
static int SMOOTH_TO_REG( int delay )
{
int i;
if ( delay <= 0 ) return 0;
for ( i = 0 ; i < 7 ; ++i )
if ( delay >= lm85_smooth_map[i] )
break;
return ( (i & 0x07) | 0x08 );
}
#define SMOOTH_FROM_REG(val) \
( ((val & 0x08) == 0) ? 0 : lm85_smooth_map[(val)&0x07] )
/* These are the PWM frequency encodings */
static int lm85_freq_map[] = { /* .1 Hz */
100, 150, 230, 300, 380, 470, 620, 940
};
static int FREQ_TO_REG( int freq )
{
int i;
if( freq >= lm85_freq_map[7] ) { return 7 ; }
for( i = 0 ; i < 7 ; ++i )
if( freq <= lm85_freq_map[i] )
break ;
return( i & 0x07 );
}
#define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07])
/* Since we can't use strings, I'm abusing these numbers
* to stand in for the following meanings:
* 1 -- PWM responds to Zone 1
* 2 -- PWM responds to Zone 2
* 3 -- PWM responds to Zone 3
* 23 -- PWM responds to the higher temp of Zone 2 or 3
* 123 -- PWM responds to highest of Zone 1, 2, or 3
* 0 -- PWM is always at 0% (ie, off)
* -1 -- PWM is always at 100%
* -2 -- PWM responds to manual control
*/
static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 };
#define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07])
static int ZONE_TO_REG( int zone )
{
int i;
for( i = 0 ; i <= 7 ; ++i )
if( zone == lm85_zone_map[i] )
break ;
if( i > 7 ) /* Not found. */
i = 3; /* Always 100% */
return( (i & 0x07)<<5 );
}
#define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15))
#define HYST_FROM_REG(val) ((val)*1000)
#define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127))
#define OFFSET_FROM_REG(val) ((val)*25)
#define PPR_MASK(fan) (0x03<<(fan *2))
#define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2))
#define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1)
/* i2c-vid.h defines vid_from_reg() */
#define VID_FROM_REG(val,vrm) (vid_from_reg((val),(vrm)))
/* Unlike some other drivers we DO NOT set initial limits. Use
* the config file to set limits. Some users have reported
* motherboards shutting down when we set limits in a previous
* version of the driver.
*/
/* Chip sampling rates
*
* Some sensors are not updated more frequently than once per second
* so it doesn't make sense to read them more often than that.
* We cache the results and return the saved data if the driver
* is called again before a second has elapsed.
*
* Also, there is significant configuration data for this chip
* given the automatic PWM fan control that is possible. There
* are about 47 bytes of config data to only 22 bytes of actual
* readings. So, we keep the config data up to date in the cache
* when it is written and only sample it once every 1 *minute*
*/
#define LM85_DATA_INTERVAL (HZ + HZ / 2)
#define LM85_CONFIG_INTERVAL (1 * 60 * HZ)
/* For each registered LM85, we need to keep some data in memory. That
data is pointed to by lm85_list[NR]->data. The structure itself is
dynamically allocated, at the same time when a new lm85 client is
allocated. */
/* LM85 can automatically adjust fan speeds based on temperature
* This structure encapsulates an entire Zone config. There are
* three zones (one for each temperature input) on the lm85
*/
struct lm85_zone {
s8 limit; /* Low temp limit */
u8 hyst; /* Low limit hysteresis. (0-15) */
u8 range; /* Temp range, encoded */
s8 critical; /* "All fans ON" temp limit */
u8 off_desired; /* Actual "off" temperature specified. Preserved
* to prevent "drift" as other autofan control
* values change.
*/
u8 max_desired; /* Actual "max" temperature specified. Preserved
* to prevent "drift" as other autofan control
* values change.
*/
};
struct lm85_autofan {
u8 config; /* Register value */
u8 freq; /* PWM frequency, encoded */
u8 min_pwm; /* Minimum PWM value, encoded */
u8 min_off; /* Min PWM or OFF below "limit", flag */
};
struct lm85_data {
struct i2c_client client;
struct semaphore lock;
enum chips type;
struct semaphore update_lock;
int valid; /* !=0 if following fields are valid */
unsigned long last_reading; /* In jiffies */
unsigned long last_config; /* In jiffies */
int smooth_master; /* Acoustic enhancement master switch */
/* -1:manual, 0:disabled, 1-5: presets */
int smooth_channel[3]; /* Acoustic enhancement per-channel switch */
/* -5 to -1: presets, 0:disabled,
* >0: smoothing filter time constant x10 */
u8 in[8]; /* Register value */
u8 in_max[8]; /* Register value */
u8 in_min[8]; /* Register value */
s8 temp[3]; /* Register value */
s8 temp_min[3]; /* Register value */
s8 temp_max[3]; /* Register value */
s8 temp_offset[3]; /* Register value */
u16 fan[4]; /* Register value */
u16 fan_min[4]; /* Register value */
u8 pwm[3]; /* Register value */
u8 spinup_ctl; /* Register encoding, combined */
u8 tach_mode; /* Register encoding, combined */
u8 temp_ext[3]; /* Decoded values */
u8 in_ext[8]; /* Decoded values */
u8 adc_scale; /* ADC Extended bits scaling factor */
u8 fan_ppr; /* Register value */
u8 smooth[3]; /* Register encoding */
u8 vid; /* Register value */
u8 vrm; /* VRM version */
u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */
u8 oppoint[3]; /* Register value */
u8 tach_pwm_map; /* Register value (See EMC6D10x) */
u8 tach_option[4]; /* Register value (See EMC6D102) */
u16 tmin_ctl; /* Register value */
unsigned long therm_total; /* Cummulative therm count */
u8 therm_limit; /* Register value */
u32 alarms; /* Register encoding, combined */
struct lm85_autofan autofan[3];
struct lm85_zone zone[3];
};
static int lm85_attach_adapter(struct i2c_adapter *adapter);
static int lm85_detect(struct i2c_adapter *adapter, int address,
int kind);
static int lm85_detach_client(struct i2c_client *client);
static int lm85_read_value(struct i2c_client *client, u8 register);
static int lm85_write_value(struct i2c_client *client, u8 register, int value);
static struct lm85_data *lm85_update_device(struct device *dev);
static void lm85_init_client(struct i2c_client *client);
static struct i2c_driver lm85_driver = {
.owner = THIS_MODULE,
.name = "lm85",
.id = I2C_DRIVERID_LM85,
.flags = I2C_DF_NOTIFY,
.attach_adapter = lm85_attach_adapter,
.detach_client = lm85_detach_client,
};
/* 4 Fans */
static ssize_t show_fan(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) );
}
static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) );
}
static ssize_t set_fan_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val);
lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
return count;
}
#define show_fan_offset(offset) \
static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_fan(dev, buf, offset - 1); \
} \
static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_fan_min(dev, buf, offset - 1); \
} \
static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_fan_min(dev, buf, count, offset - 1); \
} \
static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, \
NULL); \
static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
show_fan_##offset##_min, set_fan_##offset##_min);
show_fan_offset(1);
show_fan_offset(2);
show_fan_offset(3);
show_fan_offset(4);
/* vid, vrm, alarms */
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf, "%ld\n", (long) data->vrm);
}
static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
u32 val;
val = simple_strtoul(buf, NULL, 10);
data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
/* pwm */
static ssize_t show_pwm(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) );
}
static ssize_t set_pwm(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->pwm[nr] = PWM_TO_REG(val);
lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]);
up(&data->update_lock);
return count;
}
static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
int pwm_zone;
pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) );
}
#define show_pwm_reg(offset) \
static ssize_t show_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_pwm(dev, buf, offset - 1); \
} \
static ssize_t set_pwm_##offset (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_pwm(dev, buf, count, offset - 1); \
} \
static ssize_t show_pwm_enable##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_pwm_enable(dev, buf, offset - 1); \
} \
static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
show_pwm_##offset, set_pwm_##offset); \
static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \
show_pwm_enable##offset, NULL);
show_pwm_reg(1);
show_pwm_reg(2);
show_pwm_reg(3);
/* Voltages */
static ssize_t show_in(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr,
data->in[nr],
data->in_ext[nr],
data->adc_scale) );
}
static ssize_t show_in_min(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) );
}
static ssize_t set_in_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->in_min[nr] = INS_TO_REG(nr, val);
lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]);
up(&data->update_lock);
return count;
}
static ssize_t show_in_max(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) );
}
static ssize_t set_in_max(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->in_max[nr] = INS_TO_REG(nr, val);
lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]);
up(&data->update_lock);
return count;
}
#define show_in_reg(offset) \
static ssize_t show_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_in(dev, buf, offset); \
} \
static ssize_t show_in_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_in_min(dev, buf, offset); \
} \
static ssize_t show_in_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_in_max(dev, buf, offset); \
} \
static ssize_t set_in_##offset##_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_in_min(dev, buf, count, offset); \
} \
static ssize_t set_in_##offset##_max (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_in_max(dev, buf, count, offset); \
} \
static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset, \
NULL); \
static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
show_in_##offset##_min, set_in_##offset##_min); \
static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
show_in_##offset##_max, set_in_##offset##_max);
show_in_reg(0);
show_in_reg(1);
show_in_reg(2);
show_in_reg(3);
show_in_reg(4);
/* Temps */
static ssize_t show_temp(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr],
data->temp_ext[nr],
data->adc_scale) );
}
static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) );
}
static ssize_t set_temp_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]);
up(&data->update_lock);
return count;
}
static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) );
}
static ssize_t set_temp_max(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]);
up(&data->update_lock);
return count;
}
#define show_temp_reg(offset) \
static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_temp(dev, buf, offset - 1); \
} \
static ssize_t show_temp_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_temp_min(dev, buf, offset - 1); \
} \
static ssize_t show_temp_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_temp_max(dev, buf, offset - 1); \
} \
static ssize_t set_temp_##offset##_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_min(dev, buf, count, offset - 1); \
} \
static ssize_t set_temp_##offset##_max (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_max(dev, buf, count, offset - 1); \
} \
static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, \
NULL); \
static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
show_temp_##offset##_min, set_temp_##offset##_min); \
static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
show_temp_##offset##_max, set_temp_##offset##_max);
show_temp_reg(1);
show_temp_reg(2);
show_temp_reg(3);
/*
* Acoustics enhancement
*/
/* These are acoustic enhancement presets */
#define SMOOTH_PRESET_MAP_ENTRIES 6
static int lm85_smooth_preset_map[SMOOTH_PRESET_MAP_ENTRIES] =
{ 0, 8, 30, 70, 176, 350 };
/* one must call this holding the update lock */
static int lm85_smooth_to_sysfs(struct lm85_data *data,
int nr)
{
int s = SMOOTH_FROM_REG(data->smooth[nr]);
int i = 0;
while ( lm85_smooth_preset_map[i] != s
&& i < SMOOTH_PRESET_MAP_ENTRIES ) {
i++;
}
/* Try to return the same value the user set the channel to,
* if possible */
if ( data->smooth_channel[nr] < 0 ) {
if ( data->smooth_channel[nr] == -i ) {
s = -i;
} else {
if (s != 0) data->smooth_channel[nr] = s;
}
}
/* Keep master switch status up to date while at it... */
if (i >= SMOOTH_PRESET_MAP_ENTRIES || i != data->smooth_master) {
data->smooth_master = -1; /* switch to manual mode */
}
return s;
}
static ssize_t show_acoustics_enhancement(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
int i, m, s[3];
down(&data->update_lock);
m = data->smooth_master;
if (m != -1) {
for (i = 0; i < 3; i++) s[i] = lm85_smooth_to_sysfs(data, i);
if (s[0] == s[1] && s[0] == s[2]) {
if (m != 0 && s[0] == 0) {
m = -1;
} else {
m = (s[0] > 0) ? (-1) : (-s[0]);
}
} else {
m = -1;
}
}
data->smooth_master = m;
up(&data->update_lock);
return sprintf(buf,"%d\n", m);
}
static ssize_t set_acoustics_enhancement(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = lm85_update_device(dev);
long val = simple_strtol(buf, NULL, 10);
int i;
if (val < -1 || val >= SMOOTH_PRESET_MAP_ENTRIES)
return -EINVAL;
down(&data->update_lock);
data->smooth_master = val;
for (i = 0 ; i < 3; i++) {
if (val == 0) {
/* just turn off, preserve level */
data->smooth[i] &= 0x07;
} else {
if (val < 0) {
/* just turn on back to
* previous level */
data->smooth[i] |= 0x08;
} else {
data->smooth_channel[i] = (-val);
data->smooth[i] =
SMOOTH_TO_REG(
lm85_smooth_preset_map[val]
);
}
}
}
lm85_write_value(client, LM85_REG_AFAN_SPIKE1,
data->smooth[0]
| data->syncpwm3
| (data->autofan[0].min_off ? 0x20 : 0)
| (data->autofan[1].min_off ? 0x40 : 0)
| (data->autofan[2].min_off ? 0x80 : 0)
);
lm85_write_value(client, LM85_REG_AFAN_SPIKE2,
(data->smooth[1] << 4) | data->smooth[2] );
up(&data->update_lock);
return count;
}
static ssize_t show_acoustics_enhancement_channel(struct device *dev,
char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
int s;
down(&data->update_lock);
s = lm85_smooth_to_sysfs(data, nr);
up(&data->update_lock);
return sprintf(buf,"%d\n", s);
}
static ssize_t set_acoustics_enhancement_channel(struct device *dev,
const char *buf, size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = lm85_update_device(dev);
long val = simple_strtol(buf, NULL, 10);
if ( val <= -SMOOTH_PRESET_MAP_ENTRIES )
return -EINVAL;
if ( data->smooth_master < 0 ) {
down(&data->update_lock);
if ( val > 0 ) {
data->smooth[nr] = SMOOTH_TO_REG(val);
} else {
data->smooth[nr] =
SMOOTH_TO_REG(lm85_smooth_preset_map[-val]);
}
data->smooth_channel[nr] = SMOOTH_FROM_REG(data->smooth[nr]);
lm85_write_value(client, LM85_REG_AFAN_SPIKE1,
data->smooth[0]
| data->syncpwm3
| (data->autofan[0].min_off ? 0x20 : 0)
| (data->autofan[1].min_off ? 0x40 : 0)
| (data->autofan[2].min_off ? 0x80 : 0)
);
lm85_write_value(client, LM85_REG_AFAN_SPIKE2,
(data->smooth[1] << 4) | data->smooth[2] );
up(&data->update_lock);
}
return count;
}
static DEVICE_ATTR(auto_acoustics_enhancement, S_IRUGO | S_IWUSR,
show_acoustics_enhancement, set_acoustics_enhancement);
#define auto_acoustics_enhancement_channel(offset) \
static ssize_t show_acoustics_enhancement_channel##offset ( \
struct device *dev, struct device_attribute *attr, char *buf) \
{ \
return show_acoustics_enhancement_channel(dev, buf, offset - 1); \
} \
static ssize_t set_acoustics_enhancement_channel##offset ( \
struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_acoustics_enhancement_channel(dev, buf, count, offset - 1); \
} \
static DEVICE_ATTR(auto_acoustics_enhancement_pwm##offset, S_IRUGO | S_IWUSR, \
show_acoustics_enhancement_channel##offset, \
set_acoustics_enhancement_channel##offset); \
static DEVICE_ATTR(auto_acoustics_enhancement_temp##offset, S_IRUGO | S_IWUSR, \
show_acoustics_enhancement_channel##offset, \
set_acoustics_enhancement_channel##offset);
auto_acoustics_enhancement_channel(1);
auto_acoustics_enhancement_channel(2);
auto_acoustics_enhancement_channel(3);
/* Automatic PWM control */
/*
* Set the PWM zones, and make sure to set the proper TACH reading
* mode for fans associated to this output if needed.
*
* For EMC6D102, that means tach mode 2 (which is the chip's default).
* EMC6D100/101 apparently doesn't need to (and it can't!) be told to
* enter a different tach measurement mode. LM85/ADM1027/ADT7463 are
* trivial to configure for this function because we assume their
* fan-pwm maps are configured according to their datasheets
* 'strong suggestions'.
*/
static ssize_t show_pwm_auto_channels(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config));
}
static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
| ZONE_TO_REG(val) ;
lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
data->autofan[nr].config);
if ( (data->type == lm85b) || (data->type == lm85c) ) {
if ( val != 0 && val != -1 ) {
data->tach_mode |= (0x3 << (nr * 2));
} else {
data->tach_mode = (data->tach_mode
& ~(0x3 << (nr * 2)) )
| (0x1 << (nr * 2));
}
lm85_write_value(client, LM85_REG_TACH_MODE,
data->tach_mode);
} else if ( (data->type == adm1027) || (data->type == adt7463) ) {
static int adm1027_tachmode_map[] = { 0x10, 0x20, 0xC0 };
if ( val != 0 && val != -1 ) {
data->tach_mode = data->tach_mode
& ~(adm1027_tachmode_map[nr])
& 0xF7;
} else {
data->tach_mode |= adm1027_tachmode_map[nr];
}
lm85_write_value(client, ADM1027_REG_CONFIG3,
data->tach_mode);
} else if ( data->type == emc6d102 ) {
/* update tach_mode for all fans tied to this pwm line */
int fanmap = data->tach_pwm_map;
int i;
for ( i = 0 ; i < 4 ; i++ ) {
if (( fanmap & 0x03 ) == nr ) {
if ( val != 0 && val != -1 ) {
data->tach_option[i] |= 0x10;
} else {
data->tach_option[i] &= ~0x10;
}
lm85_write_value(client,
EMC6D102_REG_TACH_OPTION(i+1),
data->tach_option[i] );
}
fanmap = fanmap >> 2;
}
}
up(&data->update_lock);
return count;
}
static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
}
static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->autofan[nr].min_pwm = PWM_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr),
data->autofan[nr].min_pwm);
up(&data->update_lock);
return count;
}
static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", data->autofan[nr].min_off);
}
static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->autofan[nr].min_off = val;
lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0]
| data->syncpwm3
| (data->autofan[0].min_off ? 0x20 : 0)
| (data->autofan[1].min_off ? 0x40 : 0)
| (data->autofan[2].min_off ? 0x80 : 0)
);
up(&data->update_lock);
return count;
}
static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
}
static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->autofan[nr].freq = FREQ_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
(data->zone[nr].range << 4)
| data->autofan[nr].freq
);
up(&data->update_lock);
return count;
}
#define pwm_auto(offset) \
static ssize_t show_pwm##offset##_auto_channels (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_pwm_auto_channels(dev, buf, offset - 1); \
} \
static ssize_t set_pwm##offset##_auto_channels (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_pwm_auto_channels(dev, buf, count, offset - 1); \
} \
static ssize_t show_pwm##offset##_auto_pwm_min (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_pwm_auto_pwm_min(dev, buf, offset - 1); \
} \
static ssize_t set_pwm##offset##_auto_pwm_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_pwm_auto_pwm_min(dev, buf, count, offset - 1); \
} \
static ssize_t show_pwm##offset##_auto_pwm_minctl (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_pwm_auto_pwm_minctl(dev, buf, offset - 1); \
} \
static ssize_t set_pwm##offset##_auto_pwm_minctl (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_pwm_auto_pwm_minctl(dev, buf, count, offset - 1); \
} \
static ssize_t show_pwm##offset##_auto_pwm_freq (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_pwm_auto_pwm_freq(dev, buf, offset - 1); \
} \
static ssize_t set_pwm##offset##_auto_pwm_freq(struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_pwm_auto_pwm_freq(dev, buf, count, offset - 1); \
} \
static DEVICE_ATTR(pwm##offset##_auto_channels, S_IRUGO | S_IWUSR, \
show_pwm##offset##_auto_channels, \
set_pwm##offset##_auto_channels); \
static DEVICE_ATTR(pwm##offset##_auto_pwm_min, S_IRUGO | S_IWUSR, \
show_pwm##offset##_auto_pwm_min, \
set_pwm##offset##_auto_pwm_min); \
static DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, S_IRUGO | S_IWUSR, \
show_pwm##offset##_auto_pwm_minctl, \
set_pwm##offset##_auto_pwm_minctl); \
static DEVICE_ATTR(pwm##offset##_auto_pwm_freq, S_IRUGO | S_IWUSR, \
show_pwm##offset##_auto_pwm_freq, \
set_pwm##offset##_auto_pwm_freq);
pwm_auto(1);
pwm_auto(2);
pwm_auto(3);
/* Temperature settings for automatic PWM control */
static ssize_t show_temp_auto_temp_off(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
HYST_FROM_REG(data->zone[nr].hyst));
}
static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
int min;
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
min = TEMP_FROM_REG(data->zone[nr].limit);
data->zone[nr].off_desired = TEMP_TO_REG(val);
data->zone[nr].hyst = HYST_TO_REG(min - val);
if ( nr == 0 || nr == 1 ) {
lm85_write_value(client, LM85_REG_AFAN_HYST1,
(data->zone[0].hyst << 4)
| data->zone[1].hyst
);
} else {
lm85_write_value(client, LM85_REG_AFAN_HYST2,
(data->zone[2].hyst << 4)
);
}
up(&data->update_lock);
return count;
}
static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) );
}
static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->zone[nr].limit = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr),
data->zone[nr].limit);
/* Update temp_auto_max and temp_auto_range */
data->zone[nr].range = RANGE_TO_REG(
TEMP_FROM_REG(data->zone[nr].max_desired) -
TEMP_FROM_REG(data->zone[nr].limit));
lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
((data->zone[nr].range & 0x0f) << 4)
| (data->autofan[nr].freq & 0x07));
/* Update temp_auto_hyst and temp_auto_off */
data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG(
data->zone[nr].limit) - TEMP_FROM_REG(
data->zone[nr].off_desired));
if ( nr == 0 || nr == 1 ) {
lm85_write_value(client, LM85_REG_AFAN_HYST1,
(data->zone[0].hyst << 4)
| data->zone[1].hyst
);
} else {
lm85_write_value(client, LM85_REG_AFAN_HYST2,
(data->zone[2].hyst << 4)
);
}
up(&data->update_lock);
return count;
}
static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
RANGE_FROM_REG(data->zone[nr].range));
}
static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
int min;
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
min = TEMP_FROM_REG(data->zone[nr].limit);
data->zone[nr].max_desired = TEMP_TO_REG(val);
data->zone[nr].range = RANGE_TO_REG(
val - min);
lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
((data->zone[nr].range & 0x0f) << 4)
| (data->autofan[nr].freq & 0x07));
up(&data->update_lock);
return count;
}
static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr)
{
struct lm85_data *data = lm85_update_device(dev);
return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical));
}
static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
data->zone[nr].critical = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr),
data->zone[nr].critical);
up(&data->update_lock);
return count;
}
#define temp_auto(offset) \
static ssize_t show_temp##offset##_auto_temp_off (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_temp_auto_temp_off(dev, buf, offset - 1); \
} \
static ssize_t set_temp##offset##_auto_temp_off (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_auto_temp_off(dev, buf, count, offset - 1); \
} \
static ssize_t show_temp##offset##_auto_temp_min (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_temp_auto_temp_min(dev, buf, offset - 1); \
} \
static ssize_t set_temp##offset##_auto_temp_min (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_auto_temp_min(dev, buf, count, offset - 1); \
} \
static ssize_t show_temp##offset##_auto_temp_max (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_temp_auto_temp_max(dev, buf, offset - 1); \
} \
static ssize_t set_temp##offset##_auto_temp_max (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_auto_temp_max(dev, buf, count, offset - 1); \
} \
static ssize_t show_temp##offset##_auto_temp_crit (struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
return show_temp_auto_temp_crit(dev, buf, offset - 1); \
} \
static ssize_t set_temp##offset##_auto_temp_crit (struct device *dev, struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
return set_temp_auto_temp_crit(dev, buf, count, offset - 1); \
} \
static DEVICE_ATTR(temp##offset##_auto_temp_off, S_IRUGO | S_IWUSR, \
show_temp##offset##_auto_temp_off, \
set_temp##offset##_auto_temp_off); \
static DEVICE_ATTR(temp##offset##_auto_temp_min, S_IRUGO | S_IWUSR, \
show_temp##offset##_auto_temp_min, \
set_temp##offset##_auto_temp_min); \
static DEVICE_ATTR(temp##offset##_auto_temp_max, S_IRUGO | S_IWUSR, \
show_temp##offset##_auto_temp_max, \
set_temp##offset##_auto_temp_max); \
static DEVICE_ATTR(temp##offset##_auto_temp_crit, S_IRUGO | S_IWUSR, \
show_temp##offset##_auto_temp_crit, \
set_temp##offset##_auto_temp_crit);
temp_auto(1);
temp_auto(2);
temp_auto(3);
int lm85_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
return i2c_detect(adapter, &addr_data, lm85_detect);
}
int lm85_detect(struct i2c_adapter *adapter, int address,
int kind)
{
int company, verstep ;
struct i2c_client *new_client = NULL;
struct lm85_data *data;
int err = 0;
const char *type_name = "";
if (i2c_is_isa_adapter(adapter)) {
/* This chip has no ISA interface */
goto ERROR0 ;
};
if (!i2c_check_functionality(adapter,
I2C_FUNC_SMBUS_BYTE_DATA)) {
/* We need to be able to do byte I/O */
goto ERROR0 ;
};
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet.
But it allows us to access lm85_{read,write}_value. */
if (!(data = kmalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR0;
}
memset(data, 0, sizeof(struct lm85_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
new_client->adapter = adapter;
new_client->driver = &lm85_driver;
new_client->flags = 0;
/* Now, we do the remaining detection. */
company = lm85_read_value(new_client, LM85_REG_COMPANY);
verstep = lm85_read_value(new_client, LM85_REG_VERSTEP);
dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
" COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
i2c_adapter_id(new_client->adapter), new_client->addr,
company, verstep);
/* If auto-detecting, Determine the chip type. */
if (kind <= 0) {
dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n",
i2c_adapter_id(adapter), address );
if( company == LM85_COMPANY_NATIONAL
&& verstep == LM85_VERSTEP_LM85C ) {
kind = lm85c ;
} else if( company == LM85_COMPANY_NATIONAL
&& verstep == LM85_VERSTEP_LM85B ) {
kind = lm85b ;
} else if( company == LM85_COMPANY_NATIONAL
&& (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
" Defaulting to LM85.\n", verstep);
kind = any_chip ;
} else if( company == LM85_COMPANY_ANALOG_DEV
&& verstep == LM85_VERSTEP_ADM1027 ) {
kind = adm1027 ;
} else if( company == LM85_COMPANY_ANALOG_DEV
&& (verstep == LM85_VERSTEP_ADT7463
|| verstep == LM85_VERSTEP_ADT7463C) ) {
kind = adt7463 ;
} else if( company == LM85_COMPANY_ANALOG_DEV
&& (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
" Defaulting to Generic LM85.\n", verstep );
kind = any_chip ;
} else if( company == LM85_COMPANY_SMSC
&& (verstep == LM85_VERSTEP_EMC6D100_A0
|| verstep == LM85_VERSTEP_EMC6D100_A1) ) {
/* Unfortunately, we can't tell a '100 from a '101
* from the registers. Since a '101 is a '100
* in a package with fewer pins and therefore no
* 3.3V, 1.5V or 1.8V inputs, perhaps if those
* inputs read 0, then it's a '101.
*/
kind = emc6d100 ;
} else if( company == LM85_COMPANY_SMSC
&& verstep == LM85_VERSTEP_EMC6D102) {
kind = emc6d102 ;
} else if( company == LM85_COMPANY_SMSC
&& (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
dev_err(&adapter->dev, "lm85: Detected SMSC chip\n");
dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x"
" Defaulting to Generic LM85.\n", verstep );
kind = any_chip ;
} else if( kind == any_chip
&& (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n");
/* Leave kind as "any_chip" */
} else {
dev_dbg(&adapter->dev, "Autodetection failed\n");
/* Not an LM85 ... */
if( kind == any_chip ) { /* User used force=x,y */
dev_err(&adapter->dev, "Generic LM85 Version 6 not"
" found at %d,0x%02x. Try force_lm85c.\n",
i2c_adapter_id(adapter), address );
}
err = 0 ;
goto ERROR1;
}
}
/* Fill in the chip specific driver values */
if ( kind == any_chip ) {
type_name = "lm85";
} else if ( kind == lm85b ) {
type_name = "lm85b";
} else if ( kind == lm85c ) {
type_name = "lm85c";
} else if ( kind == adm1027 ) {
type_name = "adm1027";
} else if ( kind == adt7463 ) {
type_name = "adt7463";
} else if ( kind == emc6d100){
type_name = "emc6d100";
} else if ( kind == emc6d102 ) {
type_name = "emc6d102";
}
strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
/* Fill in the remaining client fields */
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
goto ERROR1;
/* Set the VRM version */
data->vrm = i2c_which_vrm();
/* Initialize the LM85 chip */
lm85_init_client(new_client);
/* Register sysfs hooks */
device_create_file(&new_client->dev, &dev_attr_fan1_input);
device_create_file(&new_client->dev, &dev_attr_fan2_input);
device_create_file(&new_client->dev, &dev_attr_fan3_input);
device_create_file(&new_client->dev, &dev_attr_fan4_input);
device_create_file(&new_client->dev, &dev_attr_fan1_min);
device_create_file(&new_client->dev, &dev_attr_fan2_min);
device_create_file(&new_client->dev, &dev_attr_fan3_min);
device_create_file(&new_client->dev, &dev_attr_fan4_min);
device_create_file(&new_client->dev, &dev_attr_pwm1);
device_create_file(&new_client->dev, &dev_attr_pwm2);
device_create_file(&new_client->dev, &dev_attr_pwm3);
device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
device_create_file(&new_client->dev, &dev_attr_in0_input);
device_create_file(&new_client->dev, &dev_attr_in1_input);
device_create_file(&new_client->dev, &dev_attr_in2_input);
device_create_file(&new_client->dev, &dev_attr_in3_input);
device_create_file(&new_client->dev, &dev_attr_in4_input);
device_create_file(&new_client->dev, &dev_attr_in0_min);
device_create_file(&new_client->dev, &dev_attr_in1_min);
device_create_file(&new_client->dev, &dev_attr_in2_min);
device_create_file(&new_client->dev, &dev_attr_in3_min);
device_create_file(&new_client->dev, &dev_attr_in4_min);
device_create_file(&new_client->dev, &dev_attr_in0_max);
device_create_file(&new_client->dev, &dev_attr_in1_max);
device_create_file(&new_client->dev, &dev_attr_in2_max);
device_create_file(&new_client->dev, &dev_attr_in3_max);
device_create_file(&new_client->dev, &dev_attr_in4_max);
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp2_input);
device_create_file(&new_client->dev, &dev_attr_temp3_input);
device_create_file(&new_client->dev, &dev_attr_temp1_min);
device_create_file(&new_client->dev, &dev_attr_temp2_min);
device_create_file(&new_client->dev, &dev_attr_temp3_min);
device_create_file(&new_client->dev, &dev_attr_temp1_max);
device_create_file(&new_client->dev, &dev_attr_temp2_max);
device_create_file(&new_client->dev, &dev_attr_temp3_max);
device_create_file(&new_client->dev, &dev_attr_vrm);
device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
device_create_file(&new_client->dev, &dev_attr_alarms);
device_create_file(&new_client->dev, &dev_attr_pwm1_auto_channels);
device_create_file(&new_client->dev, &dev_attr_pwm2_auto_channels);
device_create_file(&new_client->dev, &dev_attr_pwm3_auto_channels);
device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_min);
device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_min);
device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_min);
device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_minctl);
device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_minctl);
device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_minctl);
device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_freq);
device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_freq);
device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_freq);
device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_off);
device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_off);
device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_off);
device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_min);
device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_min);
device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_min);
device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_max);
device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_max);
device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_max);
device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_crit);
device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_crit);
device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_crit);
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement);
/* Register chip-specific sysfs hooks */
if ( (data->type == adm1027) || (data->type == adt7463) ) {
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement_pwm1);
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement_pwm2);
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement_pwm3);
} else {
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement_temp1);
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement_temp2);
device_create_file(&new_client->dev, &dev_attr_auto_acoustics_enhancement_temp3);
}
return 0;
/* Error out and cleanup code */
ERROR1:
kfree(data);
ERROR0:
return err;
}
int lm85_detach_client(struct i2c_client *client)
{
i2c_detach_client(client);
kfree(i2c_get_clientdata(client));
return 0;
}
int lm85_read_value(struct i2c_client *client, u8 reg)
{
int res;
/* What size location is it? */
switch( reg ) {
case LM85_REG_FAN(0) : /* Read WORD data */
case LM85_REG_FAN(1) :
case LM85_REG_FAN(2) :
case LM85_REG_FAN(3) :
case LM85_REG_FAN_MIN(0) :
case LM85_REG_FAN_MIN(1) :
case LM85_REG_FAN_MIN(2) :
case LM85_REG_FAN_MIN(3) :
case LM85_REG_ALARM1 : /* Read both bytes at once */
res = i2c_smbus_read_byte_data(client, reg) & 0xff ;
res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ;
break ;
case ADT7463_REG_TMIN_CTL1 : /* Read WORD MSB, LSB */
res = i2c_smbus_read_byte_data(client, reg) << 8 ;
res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ;
break ;
default: /* Read BYTE data */
res = i2c_smbus_read_byte_data(client, reg);
break ;
}
return res ;
}
int lm85_write_value(struct i2c_client *client, u8 reg, int value)
{
int res ;
switch( reg ) {
case LM85_REG_FAN(0) : /* Write WORD data */
case LM85_REG_FAN(1) :
case LM85_REG_FAN(2) :
case LM85_REG_FAN(3) :
case LM85_REG_FAN_MIN(0) :
case LM85_REG_FAN_MIN(1) :
case LM85_REG_FAN_MIN(2) :
case LM85_REG_FAN_MIN(3) :
/* NOTE: ALARM is read only, so not included here */
res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ;
res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ;
break ;
case ADT7463_REG_TMIN_CTL1 : /* Write WORD MSB, LSB */
res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff);
res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ;
break ;
default: /* Write BYTE data */
res = i2c_smbus_write_byte_data(client, reg, value);
break ;
}
return res ;
}
void lm85_init_client(struct i2c_client *client)
{
int value;
struct lm85_data *data = i2c_get_clientdata(client);
dev_dbg(&client->dev, "Initializing device\n");
/* Warn if part was not "READY" */
value = lm85_read_value(client, LM85_REG_CONFIG);
dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value);
if( value & 0x02 ) {
dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n",
i2c_adapter_id(client->adapter), client->addr );
};
if( ! (value & 0x04) ) {
dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
i2c_adapter_id(client->adapter), client->addr );
};
if( value & 0x10
&& ( data->type == adm1027
|| data->type == adt7463 ) ) {
dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. "
"Please report this to the lm85 maintainer.\n",
i2c_adapter_id(client->adapter), client->addr );
};
/* WE INTENTIONALLY make no changes to the limits,
* offsets, pwms, fans and zones. If they were
* configured, we don't want to mess with them.
* If they weren't, the default is 100% PWM, no
* control and will suffice until 'sensors -s'
* can be run by the user.
*/
/* Start monitoring */
value = lm85_read_value(client, LM85_REG_CONFIG);
/* Try to clear LOCK, Set START, save everything else */
value = (value & ~ 0x02) | 0x01 ;
dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
lm85_write_value(client, LM85_REG_CONFIG, value);
/* Fan to PWM mapping, it is critical that this is correct,
* so we make sure to have sane values here, since they are
* constant for all but EMC6D10x
*/
if ( data->type == emc6d100 || data->type == emc6d102 ) {
data->tach_pwm_map = lm85_read_value(client,
EMC6D100_REG_TACH_PWM );
if ( data->tach_pwm_map != 0xA5 ) {
dev_dbg(&client->dev,
"Using non-standard PWM-FAN map 0x%02x\n",
data->tach_pwm_map);
}
} else {
/* for completeness, most functions on the other
* chips will not consult this bitmap */
data->tach_pwm_map = LM85_DEFAULT_FAN_MAP;
}
}
static struct lm85_data *lm85_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
if ( !data->valid ||
time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) {
/* Things that change quickly */
dev_dbg(&client->dev, "Reading sensor values\n");
/* Have to read extended bits first to "freeze" the
* more significant bits that are read later.
*/
if ( (data->type == adm1027) || (data->type == adt7463) ) {
int ext1 = lm85_read_value(client,
ADM1027_REG_EXTEND_ADC1);
int ext2 = lm85_read_value(client,
ADM1027_REG_EXTEND_ADC2);
int val = (ext1 << 8) + ext2;
for(i = 0; i <= 4; i++)
data->in_ext[i] = (val>>(i * 2))&0x03;
for(i = 0; i <= 2; i++)
data->temp_ext[i] = (val>>((i + 5) * 2))&0x03;
}
/* adc_scale is 2^(number of LSBs). There are 4 extra bits in
the emc6d102 and 2 in the adt7463 and adm1027. In all
other chips ext is always 0 and the value of scale is
irrelevant. So it is left in 4*/
data->adc_scale = (data->type == emc6d102 ) ? 16 : 4;
for (i = 0; i <= 4; ++i) {
data->in[i] =
lm85_read_value(client, LM85_REG_IN(i));
}
for (i = 0; i <= 3; ++i) {
data->fan[i] =
lm85_read_value(client, LM85_REG_FAN(i));
}
for (i = 0; i <= 2; ++i) {
data->temp[i] =
lm85_read_value(client, LM85_REG_TEMP(i));
}
for (i = 0; i <= 2; ++i) {
data->pwm[i] =
lm85_read_value(client, LM85_REG_PWM(i));
}
data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
if ( data->type == adt7463 ) {
if( data->therm_total < ULONG_MAX - 256 ) {
data->therm_total +=
lm85_read_value(client, ADT7463_REG_THERM );
}
} else if ( data->type == emc6d100 ) {
/* Three more voltage sensors */
for (i = 5; i <= 7; ++i) {
data->in[i] =
lm85_read_value(client, EMC6D100_REG_IN(i));
}
/* More alarm bits */
data->alarms |=
lm85_read_value(client, EMC6D100_REG_ALARM3) << 16;
} else if (data->type == emc6d102 ) {
/* Have to read LSB bits after the MSB ones because
the reading of the MSB bits has frozen the
LSBs (backward from the ADM1027).
*/
int ext1 = lm85_read_value(client,
EMC6D102_REG_EXTEND_ADC1);
int ext2 = lm85_read_value(client,
EMC6D102_REG_EXTEND_ADC2);
int ext3 = lm85_read_value(client,
EMC6D102_REG_EXTEND_ADC3);
int ext4 = lm85_read_value(client,
EMC6D102_REG_EXTEND_ADC4);
data->in_ext[0] = ext3 & 0x0f;
data->in_ext[1] = ext4 & 0x0f;
data->in_ext[2] = (ext4 >> 4) & 0x0f;
data->in_ext[3] = (ext3 >> 4) & 0x0f;
data->in_ext[4] = (ext2 >> 4) & 0x0f;
data->temp_ext[0] = ext1 & 0x0f;
data->temp_ext[1] = ext2 & 0x0f;
data->temp_ext[2] = (ext1 >> 4) & 0x0f;
}
data->last_reading = jiffies ;
}; /* last_reading */
if ( !data->valid ||
time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) {
/* Things that don't change often */
dev_dbg(&client->dev, "Reading config values\n");
for (i = 0; i <= 4; ++i) {
data->in_min[i] =
lm85_read_value(client, LM85_REG_IN_MIN(i));
data->in_max[i] =
lm85_read_value(client, LM85_REG_IN_MAX(i));
}
if ( data->type == emc6d100 ) {
for (i = 5; i <= 7; ++i) {
data->in_min[i] =
lm85_read_value(client, EMC6D100_REG_IN_MIN(i));
data->in_max[i] =
lm85_read_value(client, EMC6D100_REG_IN_MAX(i));
}
}
for (i = 0; i <= 3; ++i) {
data->fan_min[i] =
lm85_read_value(client, LM85_REG_FAN_MIN(i));
}
for (i = 0; i <= 2; ++i) {
data->temp_min[i] =
lm85_read_value(client, LM85_REG_TEMP_MIN(i));
data->temp_max[i] =
lm85_read_value(client, LM85_REG_TEMP_MAX(i));
}
data->vid = lm85_read_value(client, LM85_REG_VID);
for (i = 0; i <= 2; ++i) {
int val ;
data->autofan[i].config =
lm85_read_value(client, LM85_REG_AFAN_CONFIG(i));
val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i));
data->autofan[i].freq = val & 0x07 ;
data->zone[i].range = (val >> 4) & 0x0f ;
data->autofan[i].min_pwm =
lm85_read_value(client, LM85_REG_AFAN_MINPWM(i));
data->zone[i].limit =
lm85_read_value(client, LM85_REG_AFAN_LIMIT(i));
data->zone[i].critical =
lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i));
}
i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1);
data->smooth[0] = i & 0x0f ;
data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */
data->autofan[0].min_off = (i & 0x20) != 0 ;
data->autofan[1].min_off = (i & 0x40) != 0 ;
data->autofan[2].min_off = (i & 0x80) != 0 ;
i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2);
data->smooth[1] = (i>>4) & 0x0f ;
data->smooth[2] = i & 0x0f ;
i = lm85_read_value(client, LM85_REG_AFAN_HYST1);
data->zone[0].hyst = (i>>4) & 0x0f ;
data->zone[1].hyst = i & 0x0f ;
i = lm85_read_value(client, LM85_REG_AFAN_HYST2);
data->zone[2].hyst = (i>>4) & 0x0f ;
if ( (data->type == lm85b) || (data->type == lm85c) ) {
data->tach_mode = lm85_read_value(client,
LM85_REG_TACH_MODE );
data->spinup_ctl = lm85_read_value(client,
LM85_REG_SPINUP_CTL );
} else if ( (data->type == adt7463) || (data->type == adm1027) ) {
if ( data->type == adt7463 ) {
for (i = 0; i <= 2; ++i) {
data->oppoint[i] = lm85_read_value(client,
ADT7463_REG_OPPOINT(i) );
}
data->tmin_ctl = lm85_read_value(client,
ADT7463_REG_TMIN_CTL1 );
data->therm_limit = lm85_read_value(client,
ADT7463_REG_THERM_LIMIT );
}
for (i = 0; i <= 2; ++i) {
data->temp_offset[i] = lm85_read_value(client,
ADM1027_REG_TEMP_OFFSET(i) );
}
data->tach_mode = lm85_read_value(client,
ADM1027_REG_CONFIG3 );
data->fan_ppr = lm85_read_value(client,
ADM1027_REG_FAN_PPR );
} else if ( data->type == emc6d100 || data->type == emc6d102 ) {
data->tach_pwm_map = lm85_read_value(client,
EMC6D100_REG_TACH_PWM );
if ( data->type == emc6d102 ) {
for (i = 0; i <= 3; i++) {
data->tach_option[i] =
lm85_read_value( client,
EMC6D102_REG_TACH_OPTION(i+1) );
}
}
}
data->last_config = jiffies;
}; /* last_config */
data->valid = 1;
up(&data->update_lock);
return data;
}
static int __init sm_lm85_init(void)
{
return i2c_add_driver(&lm85_driver);
}
static void __exit sm_lm85_exit(void)
{
i2c_del_driver(&lm85_driver);
}
/* Thanks to Richard Barrington for adding the LM85 to sensors-detect.
* Thanks to Margit Schubert-While <margitsw@t-online.de> for help with
* post 2.7.0 CVS changes.
*/
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com");
MODULE_DESCRIPTION("LM85-B, LM85-C, ADM1027, ADT7463, EMC6D100, EMC6D101, EMC6D102 driver");
module_init(sm_lm85_init);
module_exit(sm_lm85_exit);
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