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-rw-r--r--drivers/hwmon/lm85.c505
1 files changed, 255 insertions, 250 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index ee5eca1c1921..0c0fede8dde9 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1,7 +1,7 @@
/*
lm85.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
- Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+ 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>
@@ -51,8 +51,8 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
#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_FAN(nr) (0x28 + (nr) * 2)
+#define LM85_REG_FAN_MIN(nr) (0x54 + (nr) * 2)
#define LM85_REG_PWM(nr) (0x30 + (nr))
@@ -68,7 +68,7 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
#define LM85_DEVICE_ADX 0x27
#define LM85_COMPANY_NATIONAL 0x01
#define LM85_COMPANY_ANALOG_DEV 0x41
-#define LM85_COMPANY_SMSC 0x5c
+#define LM85_COMPANY_SMSC 0x5c
#define LM85_VERSTEP_VMASK 0xf0
#define LM85_VERSTEP_GENERIC 0x60
#define LM85_VERSTEP_LM85C 0x60
@@ -115,34 +115,34 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
#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_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
-/* Conversions. Rounding and limit checking is only done on the TO_REG
+/* 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))
+ 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 INS_TO_REG(n, val) \
+ SENSORS_LIMIT(SCALE(val, lm85_scaling[n], 192), 0, 255)
-#define INSEXT_FROM_REG(n,val,ext) \
+#define INSEXT_FROM_REG(n, val, ext) \
SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n])
-#define INS_FROM_REG(n,val) SCALE((val), 192, lm85_scaling[n])
+#define INS_FROM_REG(n, val) SCALE((val), 192, lm85_scaling[n])
/* FAN speed is measured using 90kHz clock */
static inline u16 FAN_TO_REG(unsigned long val)
@@ -151,16 +151,17 @@ static inline u16 FAN_TO_REG(unsigned long val)
return 0xffff;
return SENSORS_LIMIT(5400000 / val, 1, 0xfffe);
}
-#define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val))
+#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) \
+ SENSORS_LIMIT(SCALE(val, 1000, 1), -127, 127)
+#define TEMPEXT_FROM_REG(val, ext) \
SCALE(((val) << 4) + (ext), 16, 1000)
#define TEMP_FROM_REG(val) ((val) * 1000)
-#define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
+#define PWM_TO_REG(val) SENSORS_LIMIT(val, 0, 255)
#define PWM_FROM_REG(val) (val)
@@ -183,17 +184,17 @@ static inline u16 FAN_TO_REG(unsigned long val)
*/
/* 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 )
+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[15])
- return 15 ;
+ return 15;
/* Find the closest match */
for (i = 14; i >= 0; --i) {
@@ -207,7 +208,7 @@ static int RANGE_TO_REG( int range )
return 0;
}
-#define RANGE_FROM_REG(val) (lm85_range_map[(val)&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
@@ -216,19 +217,21 @@ static int RANGE_TO_REG( int range )
*/
/* 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 )
+ 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 );
+ 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])
+#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:
@@ -243,29 +246,29 @@ static int FREQ_TO_REG( int freq )
*/
static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 };
-#define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07])
+#define ZONE_FROM_REG(val) lm85_zone_map[((val) >> 5) & 0x07]
-static int ZONE_TO_REG( int zone )
+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. */
+ 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 );
+ return (i & 0x07) << 5;
}
-#define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15))
-#define HYST_FROM_REG(val) ((val)*1000)
+#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 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)
+#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)
/* Chip sampling rates
*
@@ -292,11 +295,11 @@ struct lm85_zone {
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
+ 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
+ u8 max_desired; /* Actual "max" temperature specified. Preserved
* to prevent "drift" as other autofan control
* values change.
*/
@@ -375,7 +378,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) );
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr]));
}
static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
@@ -383,7 +386,7 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) );
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr]));
}
static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
@@ -414,7 +417,8 @@ show_fan_offset(4);
/* vid, vrm, alarms */
-static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm85_data *data = lm85_update_device(dev);
int vid;
@@ -432,13 +436,15 @@ static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, c
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)
+static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct lm85_data *data = dev_get_drvdata(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)
+static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lm85_data *data = dev_get_drvdata(dev);
data->vrm = simple_strtoul(buf, NULL, 10);
@@ -447,7 +453,8 @@ static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
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)
+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);
@@ -488,7 +495,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) );
+ return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr]));
}
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
@@ -581,17 +588,16 @@ static ssize_t show_in(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr,
- data->in[nr],
- data->in_ext[nr]));
+ return sprintf(buf, "%d\n", INSEXT_FROM_REG(nr, data->in[nr],
+ data->in_ext[nr]));
}
-static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
+static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
char *buf)
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) );
+ return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
}
static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
@@ -614,7 +620,7 @@ static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) );
+ return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
}
static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
@@ -656,8 +662,8 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr],
- data->temp_ext[nr]));
+ return sprintf(buf, "%d\n", TEMPEXT_FROM_REG(data->temp[nr],
+ data->temp_ext[nr]));
}
static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
@@ -665,7 +671,7 @@ static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) );
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
}
static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
@@ -688,7 +694,7 @@ static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) );
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
@@ -697,7 +703,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
@@ -726,7 +732,7 @@ static ssize_t show_pwm_auto_channels(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config));
+ return sprintf(buf, "%d\n", ZONE_FROM_REG(data->autofan[nr].config));
}
static ssize_t set_pwm_auto_channels(struct device *dev,
@@ -735,11 +741,11 @@ static ssize_t set_pwm_auto_channels(struct device *dev,
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct lm85_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
- | ZONE_TO_REG(val) ;
+ | ZONE_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
data->autofan[nr].config);
mutex_unlock(&data->update_lock);
@@ -751,7 +757,7 @@ static ssize_t show_pwm_auto_pwm_min(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
+ return sprintf(buf, "%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
}
static ssize_t set_pwm_auto_pwm_min(struct device *dev,
@@ -775,7 +781,7 @@ static ssize_t show_pwm_auto_pwm_minctl(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", data->autofan[nr].min_off);
+ return sprintf(buf, "%d\n", data->autofan[nr].min_off);
}
static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
@@ -792,8 +798,7 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
| data->syncpwm3
| (data->autofan[0].min_off ? 0x20 : 0)
| (data->autofan[1].min_off ? 0x40 : 0)
- | (data->autofan[2].min_off ? 0x80 : 0)
- );
+ | (data->autofan[2].min_off ? 0x80 : 0));
mutex_unlock(&data->update_lock);
return count;
}
@@ -803,7 +808,7 @@ static ssize_t show_pwm_auto_pwm_freq(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
+ return sprintf(buf, "%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
}
static ssize_t set_pwm_auto_pwm_freq(struct device *dev,
@@ -818,8 +823,7 @@ static ssize_t set_pwm_auto_pwm_freq(struct device *dev,
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
- );
+ | data->autofan[nr].freq);
mutex_unlock(&data->update_lock);
return count;
}
@@ -849,7 +853,7 @@ static ssize_t show_temp_auto_temp_off(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
HYST_FROM_REG(data->zone[nr].hyst));
}
@@ -866,15 +870,13 @@ static ssize_t set_temp_auto_temp_off(struct device *dev,
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 ) {
+ if (nr == 0 || nr == 1) {
lm85_write_value(client, LM85_REG_AFAN_HYST1,
(data->zone[0].hyst << 4)
- | data->zone[1].hyst
- );
+ | data->zone[1].hyst);
} else {
lm85_write_value(client, LM85_REG_AFAN_HYST2,
- (data->zone[2].hyst << 4)
- );
+ (data->zone[2].hyst << 4));
}
mutex_unlock(&data->update_lock);
return count;
@@ -885,7 +887,7 @@ static ssize_t show_temp_auto_temp_min(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) );
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit));
}
static ssize_t set_temp_auto_temp_min(struct device *dev,
@@ -913,15 +915,13 @@ static ssize_t set_temp_auto_temp_min(struct device *dev,
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 ) {
+ if (nr == 0 || nr == 1) {
lm85_write_value(client, LM85_REG_AFAN_HYST1,
(data->zone[0].hyst << 4)
- | data->zone[1].hyst
- );
+ | data->zone[1].hyst);
} else {
lm85_write_value(client, LM85_REG_AFAN_HYST2,
- (data->zone[2].hyst << 4)
- );
+ (data->zone[2].hyst << 4));
}
mutex_unlock(&data->update_lock);
return count;
@@ -932,7 +932,7 @@ static ssize_t show_temp_auto_temp_max(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
RANGE_FROM_REG(data->zone[nr].range));
}
@@ -962,11 +962,11 @@ static ssize_t show_temp_auto_temp_crit(struct device *dev,
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical));
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].critical));
}
static ssize_t set_temp_auto_temp_crit(struct device *dev,
- struct device_attribute *attr,const char *buf, size_t count)
+ struct device_attribute *attr, const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
@@ -1130,7 +1130,7 @@ static const struct attribute_group lm85_group_in567 = {
static int lm85_detect(struct i2c_adapter *adapter, int address,
int kind)
{
- int company, verstep ;
+ int company, verstep;
struct i2c_client *new_client = NULL;
struct lm85_data *data;
int err = 0;
@@ -1139,8 +1139,8 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
if (!i2c_check_functionality(adapter,
I2C_FUNC_SMBUS_BYTE_DATA)) {
/* We need to be able to do byte I/O */
- goto ERROR0 ;
- };
+ 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.
@@ -1171,82 +1171,81 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
/* 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 ) {
+ 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
+ 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 ) {
+ || 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
+ " 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) ) {
+ || 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
+ kind = emc6d100;
+ } else if (company == LM85_COMPANY_SMSC
&& verstep == LM85_VERSTEP_EMC6D102) {
- kind = emc6d102 ;
- } else if( company == LM85_COMPANY_SMSC
+ 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
+ " 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 */
+ /* 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 );
+ i2c_adapter_id(adapter), address);
}
- err = 0 ;
+ err = 0;
goto ERROR1;
}
}
/* Fill in the chip specific driver values */
- if ( kind == any_chip ) {
+ if (kind == any_chip)
type_name = "lm85";
- } else if ( kind == lm85b ) {
+ else if (kind == lm85b)
type_name = "lm85b";
- } else if ( kind == lm85c ) {
+ else if (kind == lm85c)
type_name = "lm85c";
- } else if ( kind == adm1027 ) {
+ else if (kind == adm1027)
type_name = "adm1027";
- } else if ( kind == adt7463 ) {
+ else if (kind == adt7463)
type_name = "adt7463";
- } else if ( kind == emc6d100){
+ else if (kind == emc6d100)
type_name = "emc6d100";
- } else if ( kind == emc6d102 ) {
+ else if (kind == emc6d102)
type_name = "emc6d102";
- }
strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
/* Fill in the remaining client fields */
@@ -1291,16 +1290,16 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
return 0;
/* Error out and cleanup code */
- ERROR3:
+ ERROR3:
sysfs_remove_group(&new_client->dev.kobj, &lm85_group);
sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in4);
if (kind == emc6d100)
sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in567);
- ERROR2:
+ ERROR2:
i2c_detach_client(new_client);
- ERROR1:
+ ERROR1:
kfree(data);
- ERROR0:
+ ERROR0:
return err;
}
@@ -1323,58 +1322,60 @@ static 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 ;
+ 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 ;
+ break;
}
- return res ;
+ return res;
}
static 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) :
+ 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 ;
+ 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 ;
+ break;
}
- return res ;
+ return res;
}
static void lm85_init_client(struct i2c_client *client)
@@ -1387,21 +1388,21 @@ static void lm85_init_client(struct i2c_client *client)
/* 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 ) {
+ 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) ) {
+ 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 ) ) {
+ 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 );
- };
+ i2c_adapter_id(client->adapter), client->addr);
+ }
/* WE INTENTIONALLY make no changes to the limits,
* offsets, pwms, fans and zones. If they were
@@ -1414,7 +1415,7 @@ static void lm85_init_client(struct i2c_client *client)
/* Start monitoring */
value = lm85_read_value(client, LM85_REG_CONFIG);
/* Try to clear LOCK, Set START, save everything else */
- value = (value & ~ 0x02) | 0x01 ;
+ value = (value & ~0x02) | 0x01;
dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
lm85_write_value(client, LM85_REG_CONFIG, value);
}
@@ -1427,28 +1428,30 @@ static struct lm85_data *lm85_update_device(struct device *dev)
mutex_lock(&data->update_lock);
- if ( !data->valid ||
- time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) {
+ 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.
* There are 2 additional resolution bits per channel and we
* have room for 4, so we shift them to the left.
*/
- if ( (data->type == adm1027) || (data->type == adt7463) ) {
+ 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) << 2;
+ for (i = 0; i <= 4; i++)
+ data->in_ext[i] =
+ ((val >> (i * 2)) & 0x03) << 2;
- for(i = 0; i <= 2; i++)
- data->temp_ext[i] = (val>>((i + 4) * 2))&0x0c;
+ for (i = 0; i <= 2; i++)
+ data->temp_ext[i] =
+ (val >> ((i + 4) * 2)) & 0x0c;
}
data->vid = lm85_read_value(client, LM85_REG_VID);
@@ -1480,21 +1483,21 @@ static struct lm85_data *lm85_update_device(struct device *dev)
data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
- if ( data->type == adt7463 ) {
- if( data->therm_total < ULONG_MAX - 256 ) {
+ if (data->type == adt7463) {
+ if (data->therm_total < ULONG_MAX - 256) {
data->therm_total +=
- lm85_read_value(client, ADT7463_REG_THERM );
+ lm85_read_value(client, ADT7463_REG_THERM);
}
- } else if ( data->type == emc6d100 ) {
+ } 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));
+ 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 ) {
+ 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).
@@ -1518,11 +1521,11 @@ static struct lm85_data *lm85_update_device(struct device *dev)
data->temp_ext[2] = (ext1 >> 4) & 0x0f;
}
- data->last_reading = jiffies ;
- }; /* last_reading */
+ data->last_reading = jiffies;
+ } /* last_reading */
- if ( !data->valid ||
- time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) {
+ 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");
@@ -1540,12 +1543,12 @@ static struct lm85_data *lm85_update_device(struct device *dev)
LM85_REG_IN_MAX(4));
}
- if ( data->type == emc6d100 ) {
+ 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));
+ 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));
}
}
@@ -1562,12 +1565,12 @@ static struct lm85_data *lm85_update_device(struct device *dev)
}
for (i = 0; i <= 2; ++i) {
- int val ;
+ 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].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 =
@@ -1577,50 +1580,50 @@ static struct lm85_data *lm85_update_device(struct device *dev)
}
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 ;
+ 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 ;
+ 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 ;
+ 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 ;
+ data->zone[2].hyst = (i >> 4) & 0x0f;
- if ( (data->type == lm85b) || (data->type == lm85c) ) {
+ if (data->type == lm85b || data->type == lm85c) {
data->tach_mode = lm85_read_value(client,
- LM85_REG_TACH_MODE );
+ 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 ) {
+ 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) );
+ ADT7463_REG_OPPOINT(i));
}
data->tmin_ctl = lm85_read_value(client,
- ADT7463_REG_TMIN_CTL1 );
+ ADT7463_REG_TMIN_CTL1);
data->therm_limit = lm85_read_value(client,
- ADT7463_REG_THERM_LIMIT );
+ ADT7463_REG_THERM_LIMIT);
}
for (i = 0; i <= 2; ++i) {
- data->temp_offset[i] = lm85_read_value(client,
- ADM1027_REG_TEMP_OFFSET(i) );
+ data->temp_offset[i] = lm85_read_value(client,
+ ADM1027_REG_TEMP_OFFSET(i));
}
data->tach_mode = lm85_read_value(client,
- ADM1027_REG_CONFIG3 );
+ ADM1027_REG_CONFIG3);
data->fan_ppr = lm85_read_value(client,
- ADM1027_REG_FAN_PPR );
+ ADM1027_REG_FAN_PPR);
}
-
+
data->last_config = jiffies;
- }; /* last_config */
+ } /* last_config */
data->valid = 1;
@@ -1635,7 +1638,7 @@ static int __init sm_lm85_init(void)
return i2c_add_driver(&lm85_driver);
}
-static void __exit sm_lm85_exit(void)
+static void __exit sm_lm85_exit(void)
{
i2c_del_driver(&lm85_driver);
}
@@ -1645,7 +1648,9 @@ static void __exit sm_lm85_exit(void)
* 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_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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 03:57:34 +0100