diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 25 | ||||
| -rw-r--r-- | drivers/hwmon/adt7473.c | 16 | ||||
| -rw-r--r-- | drivers/hwmon/dme1737.c | 297 | ||||
| -rw-r--r-- | drivers/hwmon/lm75.c | 282 | ||||
| -rw-r--r-- | drivers/hwmon/lm85.c | 672 |
5 files changed, 683 insertions, 609 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 00ff53348491..c882fd05cf29 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -394,13 +394,24 @@ config SENSORS_LM75 tristate "National Semiconductor LM75 and compatibles" depends on I2C help - If you say yes here you get support for National Semiconductor LM75 - sensor chips and clones: Dallas Semiconductor DS75 and DS1775 (in - 9-bit precision mode), and TelCom (now Microchip) TCN75. - - The DS75 and DS1775 in 10- to 12-bit precision modes will require - a force module parameter. The driver will not handle the extra - precision anyhow. + If you say yes here you get support for one common type of + temperature sensor chip, with models including: + + - Dallas Semiconductor DS75 and DS1775 + - Maxim MAX6625 and MAX6626 + - Microchip MCP980x + - National Semiconductor LM75 + - NXP's LM75A + - ST Microelectronics STDS75 + - TelCom (now Microchip) TCN75 + - Texas Instruments TMP100, TMP101, TMP75, TMP175, TMP275 + + This driver supports driver model based binding through board + specific I2C device tables. + + It also supports the "legacy" style of driver binding. To use + that with some chips which don't replicate LM75 quirks exactly, + you may need the "force" module parameter. This driver can also be built as a module. If so, the module will be called lm75. diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c index ce4a7cb5a116..3a0b63136479 100644 --- a/drivers/hwmon/adt7473.c +++ b/drivers/hwmon/adt7473.c @@ -39,32 +39,20 @@ I2C_CLIENT_INSMOD_1(adt7473); #define ADT7473_REG_BASE_ADDR 0x20 #define ADT7473_REG_VOLT_BASE_ADDR 0x21 -#define ADT7473_REG_VOLT_MAX_ADDR 0x22 #define ADT7473_REG_VOLT_MIN_BASE_ADDR 0x46 -#define ADT7473_REG_VOLT_MIN_MAX_ADDR 0x49 #define ADT7473_REG_TEMP_BASE_ADDR 0x25 -#define ADT7473_REG_TEMP_MAX_ADDR 0x27 #define ADT7473_REG_TEMP_LIMITS_BASE_ADDR 0x4E -#define ADT7473_REG_TEMP_LIMITS_MAX_ADDR 0x53 #define ADT7473_REG_TEMP_TMIN_BASE_ADDR 0x67 -#define ADT7473_REG_TEMP_TMIN_MAX_ADDR 0x69 #define ADT7473_REG_TEMP_TMAX_BASE_ADDR 0x6A -#define ADT7473_REG_TEMP_TMAX_MAX_ADDR 0x6C #define ADT7473_REG_FAN_BASE_ADDR 0x28 -#define ADT7473_REG_FAN_MAX_ADDR 0x2F #define ADT7473_REG_FAN_MIN_BASE_ADDR 0x54 -#define ADT7473_REG_FAN_MIN_MAX_ADDR 0x5B #define ADT7473_REG_PWM_BASE_ADDR 0x30 -#define ADT7473_REG_PWM_MAX_ADDR 0x32 #define ADT7473_REG_PWM_MIN_BASE_ADDR 0x64 -#define ADT7473_REG_PWM_MIN_MAX_ADDR 0x66 #define ADT7473_REG_PWM_MAX_BASE_ADDR 0x38 -#define ADT7473_REG_PWM_MAX_MAX_ADDR 0x3A #define ADT7473_REG_PWM_BHVR_BASE_ADDR 0x5C -#define ADT7473_REG_PWM_BHVR_MAX_ADDR 0x5E #define ADT7473_PWM_BHVR_MASK 0xE0 #define ADT7473_PWM_BHVR_SHIFT 5 @@ -102,7 +90,6 @@ I2C_CLIENT_INSMOD_1(adt7473); #define ADT7473_FAN4_ALARM 0x20 #define ADT7473_R1T_SHORT 0x40 #define ADT7473_R2T_SHORT 0x80 -#define ADT7473_REG_MAX_ADDR 0x80 #define ALARM2(x) ((x) << 8) @@ -583,10 +570,9 @@ static ssize_t set_max_duty_at_crit(struct device *dev, struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); int temp = simple_strtol(buf, NULL, 10); - temp = temp && 0xFF; mutex_lock(&data->lock); - data->max_duty_at_overheat = temp; + data->max_duty_at_overheat = !!temp; reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4); if (temp) reg |= ADT7473_CFG4_MAX_DUTY_AT_OVT; diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index 7673f65877e1..5e2cf0aef480 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -48,6 +48,11 @@ static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); +static int probe_all_addr; +module_param(probe_all_addr, bool, 0); +MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC " + "addresses"); + /* Addresses to scan */ static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END}; @@ -176,6 +181,7 @@ struct dme1737_data { int valid; /* !=0 if following fields are valid */ unsigned long last_update; /* in jiffies */ unsigned long last_vbat; /* in jiffies */ + enum chips type; u8 vid; u8 pwm_rr_en; @@ -210,20 +216,27 @@ struct dme1737_data { }; /* Nominal voltage values */ -static const int IN_NOMINAL[] = {5000, 2250, 3300, 5000, 12000, 3300, 3300}; +static const int IN_NOMINAL_DME1737[] = {5000, 2250, 3300, 5000, 12000, 3300, + 3300}; +static const int IN_NOMINAL_SCH311x[] = {2500, 1500, 3300, 5000, 12000, 3300, + 3300}; +#define IN_NOMINAL(ix, type) (((type) == dme1737) ? \ + IN_NOMINAL_DME1737[(ix)] : \ + IN_NOMINAL_SCH311x[(ix)]) /* Voltage input * Voltage inputs have 16 bits resolution, limit values have 8 bits * resolution. */ -static inline int IN_FROM_REG(int reg, int ix, int res) +static inline int IN_FROM_REG(int reg, int ix, int res, int type) { - return (reg * IN_NOMINAL[ix] + (3 << (res - 3))) / (3 << (res - 2)); + return (reg * IN_NOMINAL(ix, type) + (3 << (res - 3))) / + (3 << (res - 2)); } -static inline int IN_TO_REG(int val, int ix) +static inline int IN_TO_REG(int val, int ix, int type) { - return SENSORS_LIMIT((val * 192 + IN_NOMINAL[ix] / 2) / - IN_NOMINAL[ix], 0, 255); + return SENSORS_LIMIT((val * 192 + IN_NOMINAL(ix, type) / 2) / + IN_NOMINAL(ix, type), 0, 255); } /* Temperature input @@ -722,13 +735,13 @@ static ssize_t show_in(struct device *dev, struct device_attribute *attr, switch (fn) { case SYS_IN_INPUT: - res = IN_FROM_REG(data->in[ix], ix, 16); + res = IN_FROM_REG(data->in[ix], ix, 16, data->type); break; case SYS_IN_MIN: - res = IN_FROM_REG(data->in_min[ix], ix, 8); + res = IN_FROM_REG(data->in_min[ix], ix, 8, data->type); break; case SYS_IN_MAX: - res = IN_FROM_REG(data->in_max[ix], ix, 8); + res = IN_FROM_REG(data->in_max[ix], ix, 8, data->type); break; case SYS_IN_ALARM: res = (data->alarms >> DME1737_BIT_ALARM_IN[ix]) & 0x01; @@ -755,12 +768,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); switch (fn) { case SYS_IN_MIN: - data->in_min[ix] = IN_TO_REG(val, ix); + data->in_min[ix] = IN_TO_REG(val, ix, data->type); dme1737_write(client, DME1737_REG_IN_MIN(ix), data->in_min[ix]); break; case SYS_IN_MAX: - data->in_max[ix] = IN_TO_REG(val, ix); + data->in_max[ix] = IN_TO_REG(val, ix, data->type); dme1737_write(client, DME1737_REG_IN_MAX(ix), data->in_max[ix]); break; @@ -1501,9 +1514,9 @@ SENSOR_DEVICE_ATTR_PWM_1TO3(3); /* PWMs 5-6 */ #define SENSOR_DEVICE_ATTR_PWM_5TO6(ix) \ -static SENSOR_DEVICE_ATTR_2(pwm##ix, S_IRUGO | S_IWUSR, \ +static SENSOR_DEVICE_ATTR_2(pwm##ix, S_IRUGO, \ show_pwm, set_pwm, SYS_PWM, ix-1); \ -static SENSOR_DEVICE_ATTR_2(pwm##ix##_freq, S_IRUGO | S_IWUSR, \ +static SENSOR_DEVICE_ATTR_2(pwm##ix##_freq, S_IRUGO, \ show_pwm, set_pwm, SYS_PWM_FREQ, ix-1); \ static SENSOR_DEVICE_ATTR_2(pwm##ix##_enable, S_IRUGO, \ show_pwm, NULL, SYS_PWM_ENABLE, ix-1) @@ -1517,91 +1530,75 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); /* for ISA devices */ -#define SENSOR_DEV_ATTR_IN(ix) \ -&sensor_dev_attr_in##ix##_input.dev_attr.attr, \ -&sensor_dev_attr_in##ix##_min.dev_attr.attr, \ -&sensor_dev_attr_in##ix##_max.dev_attr.attr, \ -&sensor_dev_attr_in##ix##_alarm.dev_attr.attr - -/* These attributes are read-writeable only if the chip is *not* locked */ -#define SENSOR_DEV_ATTR_TEMP_LOCK(ix) \ -&sensor_dev_attr_temp##ix##_offset.dev_attr.attr - -#define SENSOR_DEV_ATTR_TEMP(ix) \ -SENSOR_DEV_ATTR_TEMP_LOCK(ix), \ -&sensor_dev_attr_temp##ix##_input.dev_attr.attr, \ -&sensor_dev_attr_temp##ix##_min.dev_attr.attr, \ -&sensor_dev_attr_temp##ix##_max.dev_attr.attr, \ -&sensor_dev_attr_temp##ix##_alarm.dev_attr.attr, \ -&sensor_dev_attr_temp##ix##_fault.dev_attr.attr - -/* These attributes are read-writeable only if the chip is *not* locked */ -#define SENSOR_DEV_ATTR_ZONE_LOCK(ix) \ -&sensor_dev_attr_zone##ix##_auto_point1_temp_hyst.dev_attr.attr, \ -&sensor_dev_attr_zone##ix##_auto_point1_temp.dev_attr.attr, \ -&sensor_dev_attr_zone##ix##_auto_point2_temp.dev_attr.attr, \ -&sensor_dev_attr_zone##ix##_auto_point3_temp.dev_attr.attr - -#define SENSOR_DEV_ATTR_ZONE(ix) \ -SENSOR_DEV_ATTR_ZONE_LOCK(ix), \ -&sensor_dev_attr_zone##ix##_auto_channels_temp.dev_attr.attr - -#define SENSOR_DEV_ATTR_FAN_1TO4(ix) \ -&sensor_dev_attr_fan##ix##_input.dev_attr.attr, \ -&sensor_dev_attr_fan##ix##_min.dev_attr.attr, \ -&sensor_dev_attr_fan##ix##_alarm.dev_attr.attr, \ -&sensor_dev_attr_fan##ix##_type.dev_attr.attr - -#define SENSOR_DEV_ATTR_FAN_5TO6(ix) \ -&sensor_dev_attr_fan##ix##_input.dev_attr.attr, \ -&sensor_dev_attr_fan##ix##_min.dev_attr.attr, \ -&sensor_dev_attr_fan##ix##_alarm.dev_attr.attr, \ -&sensor_dev_attr_fan##ix##_max.dev_attr.attr - -/* These attributes are read-writeable only if the chip is *not* locked */ -#define SENSOR_DEV_ATTR_PWM_1TO3_LOCK(ix) \ -&sensor_dev_attr_pwm##ix##_freq.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_enable.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_ramp_rate.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_auto_channels_zone.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_auto_pwm_min.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_auto_point1_pwm.dev_attr.attr - -#define SENSOR_DEV_ATTR_PWM_1TO3(ix) \ -SENSOR_DEV_ATTR_PWM_1TO3_LOCK(ix), \ -&sensor_dev_attr_pwm##ix.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_auto_point2_pwm.dev_attr.attr - -/* These attributes are read-writeable only if the chip is *not* locked */ -#define SENSOR_DEV_ATTR_PWM_5TO6_LOCK(ix) \ -&sensor_dev_attr_pwm##ix.dev_attr.attr, \ -&sensor_dev_attr_pwm##ix##_freq.dev_attr.attr - -#define SENSOR_DEV_ATTR_PWM_5TO6(ix) \ -SENSOR_DEV_ATTR_PWM_5TO6_LOCK(ix), \ -&sensor_dev_attr_pwm##ix##_enable.dev_attr.attr - /* This struct holds all the attributes that are always present and need to be * created unconditionally. The attributes that need modification of their * permissions are created read-only and write permissions are added or removed * on the fly when required */ static struct attribute *dme1737_attr[] ={ /* Voltages */ - SENSOR_DEV_ATTR_IN(0), - SENSOR_DEV_ATTR_IN(1), - SENSOR_DEV_ATTR_IN(2), - SENSOR_DEV_ATTR_IN(3), - SENSOR_DEV_ATTR_IN(4), - SENSOR_DEV_ATTR_IN(5), - SENSOR_DEV_ATTR_IN(6), + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, /* Temperatures */ - SENSOR_DEV_ATTR_TEMP(1), - SENSOR_DEV_ATTR_TEMP(2), - SENSOR_DEV_ATTR_TEMP(3), + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_fault.dev_attr.attr, + &sensor_dev_attr_temp1_offset.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_fault.dev_attr.attr, + &sensor_dev_attr_temp2_offset.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_fault.dev_attr.attr, + &sensor_dev_attr_temp3_offset.dev_attr.attr, /* Zones */ - SENSOR_DEV_ATTR_ZONE(1), - SENSOR_DEV_ATTR_ZONE(2), - SENSOR_DEV_ATTR_ZONE(3), + &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_zone1_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_zone1_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr, /* Misc */ &dev_attr_vrm.attr, &dev_attr_cpu0_vid.attr, @@ -1616,23 +1613,48 @@ static const struct attribute_group dme1737_group = { * Their creation depends on the chip configuration which is determined during * module load. */ static struct attribute *dme1737_attr_pwm1[] = { - SENSOR_DEV_ATTR_PWM_1TO3(1), + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_freq.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_ramp_rate.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_channels_zone.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm2[] = { - SENSOR_DEV_ATTR_PWM_1TO3(2), + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_freq.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_ramp_rate.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_zone.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm3[] = { - SENSOR_DEV_ATTR_PWM_1TO3(3), + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm3_freq.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_ramp_rate.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_zone.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm5[] = { - SENSOR_DEV_ATTR_PWM_5TO6(5), + &sensor_dev_attr_pwm5.dev_attr.attr, + &sensor_dev_attr_pwm5_freq.dev_attr.attr, + &sensor_dev_attr_pwm5_enable.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm6[] = { - SENSOR_DEV_ATTR_PWM_5TO6(6), + &sensor_dev_attr_pwm6.dev_attr.attr, + &sensor_dev_attr_pwm6_freq.dev_attr.attr, + &sensor_dev_attr_pwm6_enable.dev_attr.attr, NULL }; @@ -1649,27 +1671,45 @@ static const struct attribute_group dme1737_pwm_group[] = { * Their creation depends on the chip configuration which is determined during * module load. */ static struct attribute *dme1737_attr_fan1[] = { - SENSOR_DEV_ATTR_FAN_1TO4(1), + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan1_type.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_fan2[] = { - SENSOR_DEV_ATTR_FAN_1TO4(2), + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_type.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_fan3[] = { - SENSOR_DEV_ATTR_FAN_1TO4(3), + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_type.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_fan4[] = { - SENSOR_DEV_ATTR_FAN_1TO4(4), + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_type.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_fan5[] = { - SENSOR_DEV_ATTR_FAN_5TO6(5), + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + &sensor_dev_attr_fan5_max.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_fan6[] = { - SENSOR_DEV_ATTR_FAN_5TO6(6), + &sensor_dev_attr_fan6_input.dev_attr.attr, + &sensor_dev_attr_fan6_min.dev_attr.attr, + &sensor_dev_attr_fan6_alarm.dev_attr.attr, + &sensor_dev_attr_fan6_max.dev_attr.attr, NULL }; @@ -1686,13 +1726,22 @@ static const struct attribute_group dme1737_fan_group[] = { * writeable if the chip is *not* locked. Otherwise they stay read-only. */ static struct attribute *dme1737_attr_lock[] = { /* Temperatures */ - SENSOR_DEV_ATTR_TEMP_LOCK(1), - SENSOR_DEV_ATTR_TEMP_LOCK(2), - SENSOR_DEV_ATTR_TEMP_LOCK(3), + &sensor_dev_attr_temp1_offset.dev_attr.attr, + &sensor_dev_attr_temp2_offset.dev_attr.attr, + &sensor_dev_attr_temp3_offset.dev_attr.attr, /* Zones */ - SENSOR_DEV_ATTR_ZONE_LOCK(1), - SENSOR_DEV_ATTR_ZONE_LOCK(2), - SENSOR_DEV_ATTR_ZONE_LOCK(3), + &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_zone1_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr, NULL }; @@ -1704,23 +1753,40 @@ static const struct attribute_group dme1737_lock_group = { * writeable if the chip is *not* locked and the respective PWM is available. * Otherwise they stay read-only. */ static struct attribute *dme1737_attr_pwm1_lock[] = { - SENSOR_DEV_ATTR_PWM_1TO3_LOCK(1), + &sensor_dev_attr_pwm1_freq.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_ramp_rate.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_channels_zone.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm2_lock[] = { - SENSOR_DEV_ATTR_PWM_1TO3_LOCK(2), + &sensor_dev_attr_pwm2_freq.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_ramp_rate.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_zone.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm3_lock[] = { - SENSOR_DEV_ATTR_PWM_1TO3_LOCK(3), + &sensor_dev_attr_pwm3_freq.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_ramp_rate.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_zone.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm5_lock[] = { - SENSOR_DEV_ATTR_PWM_5TO6_LOCK(5), + &sensor_dev_attr_pwm5.dev_attr.attr, + &sensor_dev_attr_pwm5_freq.dev_attr.attr, NULL }; static struct attribute *dme1737_attr_pwm6_lock[] = { - SENSOR_DEV_ATTR_PWM_5TO6_LOCK(6), + &sensor_dev_attr_pwm6.dev_attr.attr, + &sensor_dev_attr_pwm6_freq.dev_attr.attr, NULL }; @@ -2109,6 +2175,7 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, kind = dme1737; name = "dme1737"; + data->type = kind; /* Fill in the remaining client fields and put it into the global * list */ @@ -2301,6 +2368,7 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev) err = -ENODEV; goto exit_kfree; } + data->type = -1; /* Fill in the remaining client fields and initialize the mutex */ strlcpy(client->name, "sch311x", I2C_NAME_SIZE); @@ -2377,7 +2445,10 @@ static int __init dme1737_init(void) } if (dme1737_isa_detect(0x2e, &addr) && - dme1737_isa_detect(0x4e, &addr)) { + dme1737_isa_detect(0x4e, &addr) && + (!probe_all_addr || + (dme1737_isa_detect(0x162e, &addr) && + dme1737_isa_detect(0x164e, &addr)))) { /* Return 0 if we didn't find an ISA device */ return 0; } diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index de698dc73020..7880c273c2c5 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -30,14 +30,37 @@ #include "lm75.h" -/* Addresses to scan */ +/* + * This driver handles the LM75 and compatible digital temperature sensors. + * Only types which are _not_ listed in I2C_CLIENT_INSMOD_*() need to be + * listed here. We start at 9 since I2C_CLIENT_INSMOD_*() currently allow + * definition of up to 8 chip types (plus zero). + */ + +enum lm75_type { /* keep sorted in alphabetical order */ + ds1775 = 9, + ds75, + /* lm75 -- in I2C_CLIENT_INSMOD_1() */ + lm75a, + max6625, + max6626, + mcp980x, + stds75, + tcn75, + tmp100, + tmp101, + tmp175, + tmp275, + tmp75, +}; + +/* Addresses scanned by legacy style driver binding */ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; -/* Insmod parameters */ +/* Insmod parameters (only for legacy style driver binding) */ I2C_CLIENT_INSMOD_1(lm75); -/* Many LM75 constants specified below */ /* The LM75 registers */ #define LM75_REG_CONF 0x01 @@ -49,10 +72,11 @@ static const u8 LM75_REG_TEMP[3] = { /* Each client has this additional data */ struct lm75_data { - struct i2c_client client; - struct device *hwmon_dev; + struct i2c_client *client; + struct device *hwmon_dev; struct mutex update_lock; - char valid; /* !=0 if following fields are valid */ + u8 orig_conf; + char valid; /* !=0 if registers are valid */ unsigned long last_updated; /* In jiffies */ u16 temp[3]; /* Register values, 0 = input @@ -60,23 +84,14 @@ struct lm75_data { 2 = hyst */ }; -static int lm75_attach_adapter(struct i2c_adapter *adapter); -static int lm75_detect(struct i2c_adapter *adapter, int address, int kind); -static void lm75_init_client(struct i2c_client *client); -static int lm75_detach_client(struct i2c_client *client); static int lm75_read_value(struct i2c_client *client, u8 reg); static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value); static struct lm75_data *lm75_update_device(struct device *dev); -/* This is the driver that will be inserted */ -static struct i2c_driver lm75_driver = { - .driver = { - .name = "lm75", - }, - .attach_adapter = lm75_attach_adapter, - .detach_client = lm75_detach_client, -}; +/*-----------------------------------------------------------------------*/ + +/* sysfs attributes for hwmon */ static ssize_t show_temp(struct device *dev, struct device_attribute *da, char *buf) @@ -109,13 +124,6 @@ static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp, set_temp, 2); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); -static int lm75_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) - return 0; - return i2c_probe(adapter, &addr_data, lm75_detect); -} - static struct attribute *lm75_attributes[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, @@ -128,32 +136,144 @@ static const struct attribute_group lm75_group = { .attrs = lm75_attributes, }; +/*-----------------------------------------------------------------------*/ + +/* "New style" I2C driver binding -- following the driver model */ + +static int +lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct lm75_data *data; + int status; + u8 set_mask, clr_mask; + int new; + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) + return -EIO; + + data = kzalloc(sizeof(struct lm75_data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + i2c_set_clientdata(client, data); + + data->client = client; + mutex_init(&data->update_lock); + + /* Set to LM75 resolution (9 bits, 1/2 degree C) and range. + * Then tweak to be more precise when appropriate. + */ + set_mask = 0; + clr_mask = (1 << 0) /* continuous conversions */ + | (1 << 6) | (1 << 5); /* 9-bit mode */ + + /* configure as specified */ + status = lm75_read_value(client, LM75_REG_CONF); + if (status < 0) { + dev_dbg(&client->dev, "Can't read config? %d\n", status); + goto exit_free; + } + data->orig_conf = status; + new = status & ~clr_mask; + new |= set_mask; + if (status != new) + lm75_write_value(client, LM75_REG_CONF, new); + dev_dbg(&client->dev, "Config %02x\n", new); + + /* Register sysfs hooks */ + status = sysfs_create_group(&client->dev.kobj, &lm75_group); + if (status) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + status = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + dev_info(&client->dev, "%s: sensor '%s'\n", + data->hwmon_dev->bus_id, client->name); + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &lm75_group); +exit_free: + i2c_set_clientdata(client, NULL); + kfree(data); + return status; +} + +static int lm75_remove(struct i2c_client *client) +{ + struct lm75_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &lm75_group); + lm75_write_value(client, LM75_REG_CONF, data->orig_conf); + i2c_set_clientdata(client, NULL); + kfree(data); + return 0; +} + +static const struct i2c_device_id lm75_ids[] = { + { "ds1775", ds1775, }, + { "ds75", ds75, }, + { "lm75", lm75, }, + { "lm75a", lm75a, }, + { "max6625", max6625, }, + { "max6626", max6626, }, + { "mcp980x", mcp980x, }, + { "stds75", stds75, }, + { "tcn75", tcn75, }, + { "tmp100", tmp100, }, + { "tmp101", tmp101, }, + { "tmp175", tmp175, }, + { "tmp275", tmp275, }, + { "tmp75", tmp75, }, + { /* LIST END */ } +}; +MODULE_DEVICE_TABLE(i2c, lm75_ids); + +static struct i2c_driver lm75_driver = { + .driver = { + .name = "lm75", + }, + .probe = lm75_probe, + .remove = lm75_remove, + .id_table = lm75_ids, +}; + +/*-----------------------------------------------------------------------*/ + +/* "Legacy" I2C driver binding */ + +static struct i2c_driver lm75_legacy_driver; + /* This function is called by i2c_probe */ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) { int i; struct i2c_client *new_client; - struct lm75_data *data; int err = 0; - const char *name = ""; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) goto exit; - /* 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 lm75_{read,write}_value. */ - if (!(data = kzalloc(sizeof(struct lm75_data), GFP_KERNEL))) { + /* OK. For now, we presume we have a valid address. We create the + client structure, even though there may be no sensor present. + But it allows us to use i2c_smbus_read_*_data() calls. */ + new_client = kzalloc(sizeof *new_client, GFP_KERNEL); + if (!new_client) { err = -ENOMEM; goto exit; } - new_client = &data->client; - i2c_set_clientdata(new_client, data); new_client->addr = address; new_client->adapter = adapter; - new_client->driver = &lm75_driver; + new_client->driver = &lm75_legacy_driver; new_client->flags = 0; /* Now, we do the remaining detection. There is no identification- @@ -174,17 +294,17 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) || i2c_smbus_read_word_data(new_client, 5) != hyst || i2c_smbus_read_word_data(new_client, 6) != hyst || i2c_smbus_read_word_data(new_client, 7) != hyst) - goto exit_free; + goto exit_free; os = i2c_smbus_read_word_data(new_client, 3); if (i2c_smbus_read_word_data(new_client, 4) != os || i2c_smbus_read_word_data(new_client, 5) != os || i2c_smbus_read_word_data(new_client, 6) != os || i2c_smbus_read_word_data(new_client, 7) != os) - goto exit_free; + goto exit_free; /* Unused bits */ if (conf & 0xe0) - goto exit_free; + goto exit_free; /* Addresses cycling */ for (i = 8; i < 0xff; i += 8) @@ -194,58 +314,57 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) goto exit_free; } - /* Determine the chip type - only one kind supported! */ - if (kind <= 0) - kind = lm75; - - if (kind == lm75) { - name = "lm75"; - } - - /* Fill in the remaining client fields and put it into the global list */ - strlcpy(new_client->name, name, I2C_NAME_SIZE); - data->valid = 0; - mutex_init(&data->update_lock); + /* NOTE: we treat "force=..." and "force_lm75=..." the same. + * Only new-style driver binding distinguishes chip types. + */ + strlcpy(new_client->name, "lm75", I2C_NAME_SIZE); /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + err = i2c_attach_client(new_client); + if (err) goto exit_free; - /* Initialize the LM75 chip */ - lm75_init_client(new_client); - - /* Register sysfs hooks */ - if ((err = sysfs_create_group(&new_client->dev.kobj, &lm75_group))) + err = lm75_probe(new_client, NULL); + if (err < 0) goto exit_detach; - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } - return 0; -exit_remove: - sysfs_remove_group(&new_client->dev.kobj, &lm75_group); exit_detach: i2c_detach_client(new_client); exit_free: - kfree(data); + kfree(new_client); exit: return err; } +static int lm75_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_probe(adapter, &addr_data, lm75_detect); +} + static int lm75_detach_client(struct i2c_client *client) { - struct lm75_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm75_group); + lm75_remove(client); i2c_detach_client(client); - kfree(data); + kfree(client); return 0; } +static struct i2c_driver lm75_legacy_driver = { + .driver = { + .name = "lm75_legacy", + }, + .attach_adapter = lm75_attach_adapter, + .detach_client = lm75_detach_client, +}; + +/*-----------------------------------------------------------------------*/ + +/* register access */ + /* All registers are word-sized, except for the configuration register. LM75 uses a high-byte first convention, which is exactly opposite to the SMBus standard. */ @@ -268,16 +387,6 @@ static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value) return i2c_smbus_write_word_data(client, reg, swab16(value)); } -static void lm75_init_client(struct i2c_client *client) -{ - int reg; - - /* Enable if in shutdown mode */ - reg = lm75_read_value(client, LM75_REG_CONF); - if (reg >= 0 && (reg & 0x01)) - lm75_write_value(client, LM75_REG_CONF, reg & 0xfe); -} - static struct lm75_data *lm75_update_device(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -309,13 +418,28 @@ static struct lm75_data *lm75_update_device(struct device *dev) return data; } +/*-----------------------------------------------------------------------*/ + +/* module glue */ + static int __init sensors_lm75_init(void) { - return i2c_add_driver(&lm75_driver); + int status; + + status = i2c_add_driver(&lm75_driver); + if (status < 0) + return status; + + status = i2c_add_driver(&lm75_legacy_driver); + if (status < 0) + i2c_del_driver(&lm75_driver); + + return status; } static void __exit sensors_lm75_exit(void) { + i2c_del_driver(&lm75_legacy_driver); i2c_del_driver(&lm75_driver); } diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index ee5eca1c1921..12d446f54f97 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> @@ -51,24 +51,17 @@ 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)) -#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_COMPANY_SMSC 0x5c #define LM85_VERSTEP_VMASK 0xf0 #define LM85_VERSTEP_GENERIC 0x60 #define LM85_VERSTEP_LM85C 0x60 @@ -91,58 +84,45 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #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_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)) +static const 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 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 +131,17 @@ 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 +164,17 @@ 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 const 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) { @@ -207,28 +188,25 @@ 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 - * 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 ) +static const 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 ); + if (freq >= lm85_freq_map[7]) + return 7; + for (i = 0; i < 7; ++i) + if (freq <= lm85_freq_map[i]) + break; + return i; } -#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: @@ -242,30 +220,23 @@ static int FREQ_TO_REG( int freq ) * -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 const int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; +#define ZONE_FROM_REG(val) lm85_zone_map[(val) >> 5] -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 << 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) +#define HYST_TO_REG(val) SENSORS_LIMIT(((val) + 500) / 1000, 0, 15) +#define HYST_FROM_REG(val) ((val) * 1000) /* Chip sampling rates * @@ -292,11 +263,11 @@ 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. */ @@ -327,23 +298,13 @@ struct lm85_data { 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 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]; @@ -355,9 +316,8 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, static int lm85_detach_client(struct i2c_client *client); static int lm85_read_value(struct i2c_client *client, u8 reg); -static int lm85_write_value(struct i2c_client *client, u8 reg, int value); +static void lm85_write_value(struct i2c_client *client, u8 reg, 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 = { @@ -375,7 +335,7 @@ 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 +343,7 @@ 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 +374,8 @@ 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 +393,15 @@ 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 +410,8 @@ 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 +452,7 @@ 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 +545,16 @@ 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 +577,7 @@ 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 +619,8 @@ 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 +628,7 @@ 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 +651,7 @@ 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 +660,7 @@ 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 +689,7 @@ 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 +698,11 @@ 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 +714,7 @@ 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 +738,7 @@ 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, @@ -785,15 +748,15 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + u8 tmp; mutex_lock(&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) - ); + tmp = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); + tmp &= ~(0x20 << nr); + if (data->autofan[nr].min_off) + tmp |= 0x20 << nr; + lm85_write_value(client, LM85_REG_AFAN_SPIKE1, tmp); mutex_unlock(&data->update_lock); return count; } @@ -803,7 +766,7 @@ 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 +781,7 @@ 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 +811,7 @@ 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 +828,13 @@ 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 +845,7 @@ 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 +873,13 @@ 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 +890,7 @@ 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 +920,11 @@ 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); @@ -1127,20 +1085,37 @@ static const struct attribute_group lm85_group_in567 = { .attrs = lm85_attributes_in567, }; +static void lm85_init_client(struct i2c_client *client) +{ + int value; + + /* Start monitoring if needed */ + value = lm85_read_value(client, LM85_REG_CONFIG); + if (!(value & 0x01)) { + dev_info(&client->dev, "Starting monitoring\n"); + lm85_write_value(client, LM85_REG_CONFIG, value | 0x01); + } + + /* Warn about unusual configuration bits */ + if (value & 0x02) + dev_warn(&client->dev, "Device configuration is locked\n"); + if (!(value & 0x04)) + dev_warn(&client->dev, "Device is not ready\n"); +} + static int lm85_detect(struct i2c_adapter *adapter, int address, int kind) { - int company, verstep ; - struct i2c_client *new_client = NULL; + int company, verstep; + struct i2c_client *client; struct lm85_data *data; int err = 0; - const char *type_name = ""; + const char *type_name; - if (!i2c_check_functionality(adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { + 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. @@ -1151,138 +1126,145 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, goto ERROR0; } - 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; + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &lm85_driver; /* Now, we do the remaining detection. */ - company = lm85_read_value(new_client, LM85_REG_COMPANY); - verstep = lm85_read_value(new_client, LM85_REG_VERSTEP); + company = lm85_read_value(client, LM85_REG_COMPANY); + verstep = lm85_read_value(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, + i2c_adapter_id(client->adapter), 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 ) { + 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 ) { - type_name = "lm85"; - } else if ( kind == lm85b ) { + switch (kind) { + case lm85b: type_name = "lm85b"; - } else if ( kind == lm85c ) { + break; + case lm85c: type_name = "lm85c"; - } else if ( kind == adm1027 ) { + break; + case adm1027: type_name = "adm1027"; - } else if ( kind == adt7463 ) { + break; + case adt7463: type_name = "adt7463"; - } else if ( kind == emc6d100){ + break; + case emc6d100: type_name = "emc6d100"; - } else if ( kind == emc6d102 ) { + break; + case emc6d102: type_name = "emc6d102"; + break; + default: + type_name = "lm85"; } - strlcpy(new_client->name, type_name, I2C_NAME_SIZE); + strlcpy(client->name, type_name, I2C_NAME_SIZE); /* Fill in the remaining client fields */ data->type = kind; - data->valid = 0; mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(new_client))) + err = i2c_attach_client(client); + if (err) goto ERROR1; /* Set the VRM version */ data->vrm = vid_which_vrm(); /* Initialize the LM85 chip */ - lm85_init_client(new_client); + lm85_init_client(client); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&new_client->dev.kobj, &lm85_group))) + err = sysfs_create_group(&client->dev.kobj, &lm85_group); + if (err) goto ERROR2; /* The ADT7463 has an optional VRM 10 mode where pin 21 is used as a sixth digital VID input rather than an analog input. */ - data->vid = lm85_read_value(new_client, LM85_REG_VID); + data->vid = lm85_read_value(client, LM85_REG_VID); if (!(kind == adt7463 && (data->vid & 0x80))) - if ((err = sysfs_create_group(&new_client->dev.kobj, + if ((err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4))) goto ERROR3; /* The EMC6D100 has 3 additional voltage inputs */ if (kind == emc6d100) - if ((err = sysfs_create_group(&new_client->dev.kobj, + if ((err = sysfs_create_group(&client->dev.kobj, &lm85_group_in567))) goto ERROR3; - data->hwmon_dev = hwmon_device_register(&new_client->dev); + data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); goto ERROR3; @@ -1291,16 +1273,16 @@ static int lm85_detect(struct i2c_adapter *adapter, int address, return 0; /* Error out and cleanup code */ - ERROR3: - sysfs_remove_group(&new_client->dev.kobj, &lm85_group); - sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in4); + ERROR3: + sysfs_remove_group(&client->dev.kobj, &lm85_group); + sysfs_remove_group(&client->dev.kobj, &lm85_group_in4); if (kind == emc6d100) - sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in567); - ERROR2: - i2c_detach_client(new_client); - ERROR1: + sysfs_remove_group(&client->dev.kobj, &lm85_group_in567); + ERROR2: + i2c_detach_client(client); + ERROR1: kfree(data); - ERROR0: + ERROR0: return err; } @@ -1323,100 +1305,46 @@ 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; 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) +static void 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) : + 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 ; + i2c_smbus_write_byte_data(client, reg, value & 0xff); + i2c_smbus_write_byte_data(client, reg + 1, value >> 8); + break; default: /* Write BYTE data */ - res = i2c_smbus_write_byte_data(client, reg, value); - break ; + i2c_smbus_write_byte_data(client, reg, value); + break; } - - return res ; -} - -static 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) @@ -1427,28 +1355,30 @@ 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); @@ -1456,6 +1386,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) for (i = 0; i <= 3; ++i) { data->in[i] = lm85_read_value(client, LM85_REG_IN(i)); + data->fan[i] = + lm85_read_value(client, LM85_REG_FAN(i)); } if (!(data->type == adt7463 && (data->vid & 0x80))) { @@ -1463,38 +1395,25 @@ static struct lm85_data *lm85_update_device(struct device *dev) LM85_REG_IN(4)); } - 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 ) { + 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). @@ -1509,20 +1428,20 @@ static struct lm85_data *lm85_update_device(struct device *dev) 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->in_ext[2] = ext4 >> 4; + data->in_ext[3] = ext3 >> 4; + data->in_ext[4] = ext2 >> 4; data->temp_ext[0] = ext1 & 0x0f; data->temp_ext[1] = ext2 & 0x0f; - data->temp_ext[2] = (ext1 >> 4) & 0x0f; + data->temp_ext[2] = ext1 >> 4; } - 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"); @@ -1531,6 +1450,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_IN_MIN(i)); data->in_max[i] = lm85_read_value(client, LM85_REG_IN_MAX(i)); + data->fan_min[i] = + lm85_read_value(client, LM85_REG_FAN_MIN(i)); } if (!(data->type == adt7463 && (data->vid & 0x80))) { @@ -1540,34 +1461,28 @@ 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)); } } - 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) { + int val; + 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)); - } - 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].freq = val & 0x07; + data->zone[i].range = val >> 4; data->autofan[i].min_pwm = lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); data->zone[i].limit = @@ -1577,50 +1492,19 @@ 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 ; - i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2); - data->smooth[1] = (i>>4) & 0x0f ; - data->smooth[2] = i & 0x0f ; + 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_HYST1); - data->zone[0].hyst = (i>>4) & 0x0f ; - data->zone[1].hyst = i & 0x0f ; + data->zone[0].hyst = i >> 4; + 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->zone[2].hyst = i >> 4; + data->last_config = jiffies; - }; /* last_config */ + } /* last_config */ data->valid = 1; @@ -1635,17 +1519,15 @@ 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); } -/* 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_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); |