summaryrefslogtreecommitdiffstats
path: root/drivers/i2c/chips/lm85.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/i2c/chips/lm85.c')
-rw-r--r--drivers/i2c/chips/lm85.c1575
1 files changed, 0 insertions, 1575 deletions
diff --git a/drivers/i2c/chips/lm85.c b/drivers/i2c/chips/lm85.c
deleted file mode 100644
index b4d7fd418264..000000000000
--- a/drivers/i2c/chips/lm85.c
+++ /dev/null
@@ -1,1575 +0,0 @@
-/*
- 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>
-
- Chip details at <http://www.national.com/ds/LM/LM85.pdf>
-
- 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 EMC6D102_REG_EXTEND_ADC1 0x85
-#define EMC6D102_REG_EXTEND_ADC2 0x86
-#define EMC6D102_REG_EXTEND_ADC3 0x87
-#define EMC6D102_REG_EXTEND_ADC4 0x88
-
-#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
-
-
-/* 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
- * NOTE: The enable/disable bit is INCLUDED in these encodings as the
- * MSB (bit 3, value 8). If the enable bit is 0, the encoded value
- * is ignored, or set to 0.
- */
-/* 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 */
-
- 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 */
- 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);
-
-
-/* Automatic PWM control */
-
-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);
- 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);
-
- 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);
-}
-
-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 );
- }
-
- 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 driver");
-
-module_init(sm_lm85_init);
-module_exit(sm_lm85_exit);
OpenPOWER on IntegriCloud