hwmon: (pmbus) Introduce infrastructure to detect sensors and limit registers
This commit replaces hard-coded sensor and limit register detection code
with table based sensor detection. This change eliminates code block repetition
and reduces code size.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Tom Grennan <tom.grennan@ericsson.com>
diff --git a/drivers/hwmon/pmbus_core.c b/drivers/hwmon/pmbus_core.c
index 196ffaf..4e42a29 100644
--- a/drivers/hwmon/pmbus_core.c
+++ b/drivers/hwmon/pmbus_core.c
@@ -793,53 +793,6 @@
data->num_labels++;
}
-static const int pmbus_temp_registers[] = {
- PMBUS_READ_TEMPERATURE_1,
- PMBUS_READ_TEMPERATURE_2,
- PMBUS_READ_TEMPERATURE_3
-};
-
-static const int pmbus_temp_flags[] = {
- PMBUS_HAVE_TEMP,
- PMBUS_HAVE_TEMP2,
- PMBUS_HAVE_TEMP3
-};
-
-static const int pmbus_fan_registers[] = {
- PMBUS_READ_FAN_SPEED_1,
- PMBUS_READ_FAN_SPEED_2,
- PMBUS_READ_FAN_SPEED_3,
- PMBUS_READ_FAN_SPEED_4
-};
-
-static const int pmbus_fan_config_registers[] = {
- PMBUS_FAN_CONFIG_12,
- PMBUS_FAN_CONFIG_12,
- PMBUS_FAN_CONFIG_34,
- PMBUS_FAN_CONFIG_34
-};
-
-static const int pmbus_fan_status_registers[] = {
- PMBUS_STATUS_FAN_12,
- PMBUS_STATUS_FAN_12,
- PMBUS_STATUS_FAN_34,
- PMBUS_STATUS_FAN_34
-};
-
-static const u32 pmbus_fan_flags[] = {
- PMBUS_HAVE_FAN12,
- PMBUS_HAVE_FAN12,
- PMBUS_HAVE_FAN34,
- PMBUS_HAVE_FAN34
-};
-
-static const u32 pmbus_fan_status_flags[] = {
- PMBUS_HAVE_STATUS_FAN12,
- PMBUS_HAVE_STATUS_FAN12,
- PMBUS_HAVE_STATUS_FAN34,
- PMBUS_HAVE_STATUS_FAN34
-};
-
/*
* Determine maximum number of sensors, booleans, and labels.
* To keep things simple, only make a rough high estimate.
@@ -900,499 +853,431 @@
/*
* Search for attributes. Allocate sensors, booleans, and labels as needed.
*/
-static void pmbus_find_attributes(struct i2c_client *client,
- struct pmbus_data *data)
+
+/*
+ * The pmbus_limit_attr structure describes a single limit attribute
+ * and its associated alarm attribute.
+ */
+struct pmbus_limit_attr {
+ u8 reg; /* Limit register */
+ const char *attr; /* Attribute name */
+ const char *alarm; /* Alarm attribute name */
+ u32 sbit; /* Alarm attribute status bit */
+};
+
+/*
+ * The pmbus_sensor_attr structure describes one sensor attribute. This
+ * description includes a reference to the associated limit attributes.
+ */
+struct pmbus_sensor_attr {
+ u8 reg; /* sensor register */
+ enum pmbus_sensor_classes class;/* sensor class */
+ const char *label; /* sensor label */
+ bool paged; /* true if paged sensor */
+ bool update; /* true if update needed */
+ bool compare; /* true if compare function needed */
+ u32 func; /* sensor mask */
+ u32 sfunc; /* sensor status mask */
+ int sbase; /* status base register */
+ u32 gbit; /* generic status bit */
+ const struct pmbus_limit_attr *limit;/* limit registers */
+ int nlimit; /* # of limit registers */
+};
+
+/*
+ * Add a set of limit attributes and, if supported, the associated
+ * alarm attributes.
+ */
+static bool pmbus_add_limit_attrs(struct i2c_client *client,
+ struct pmbus_data *data,
+ const struct pmbus_driver_info *info,
+ const char *name, int index, int page,
+ int cbase,
+ const struct pmbus_sensor_attr *attr)
+{
+ const struct pmbus_limit_attr *l = attr->limit;
+ int nlimit = attr->nlimit;
+ bool have_alarm = false;
+ int i, cindex;
+
+ for (i = 0; i < nlimit; i++) {
+ if (pmbus_check_word_register(client, page, l->reg)) {
+ cindex = data->num_sensors;
+ pmbus_add_sensor(data, name, l->attr, index, page,
+ l->reg, attr->class, attr->update,
+ false);
+ if (info->func[page] & attr->sfunc) {
+ if (attr->compare) {
+ pmbus_add_boolean_cmp(data, name,
+ l->alarm, index,
+ cbase, cindex,
+ attr->sbase + page, l->sbit);
+ } else {
+ pmbus_add_boolean_reg(data, name,
+ l->alarm, index,
+ attr->sbase + page, l->sbit);
+ }
+ have_alarm = true;
+ }
+ }
+ l++;
+ }
+ return have_alarm;
+}
+
+static void pmbus_add_sensor_attrs_one(struct i2c_client *client,
+ struct pmbus_data *data,
+ const struct pmbus_driver_info *info,
+ const char *name,
+ int index, int page,
+ const struct pmbus_sensor_attr *attr)
+{
+ bool have_alarm;
+ int cbase = data->num_sensors;
+
+ if (attr->label)
+ pmbus_add_label(data, name, index, attr->label,
+ attr->paged ? page + 1 : 0);
+ pmbus_add_sensor(data, name, "input", index, page, attr->reg,
+ attr->class, true, true);
+ if (attr->sfunc) {
+ have_alarm = pmbus_add_limit_attrs(client, data, info, name,
+ index, page, cbase, attr);
+ /*
+ * Add generic alarm attribute only if there are no individual
+ * alarm attributes, and if there is a global alarm bit.
+ */
+ if (!have_alarm && attr->gbit)
+ pmbus_add_boolean_reg(data, name, "alarm", index,
+ PB_STATUS_BASE + page,
+ attr->gbit);
+ }
+}
+
+static void pmbus_add_sensor_attrs(struct i2c_client *client,
+ struct pmbus_data *data,
+ const char *name,
+ const struct pmbus_sensor_attr *attrs,
+ int nattrs)
{
const struct pmbus_driver_info *info = data->info;
- int page, i0, i1, in_index;
+ int index, i;
- /*
- * Input voltage sensors
- */
- in_index = 1;
- if (info->func[0] & PMBUS_HAVE_VIN) {
- bool have_alarm = false;
+ index = 1;
+ for (i = 0; i < nattrs; i++) {
+ int page, pages;
- i0 = data->num_sensors;
- pmbus_add_label(data, "in", in_index, "vin", 0);
- pmbus_add_sensor(data, "in", "input", in_index, 0,
- PMBUS_READ_VIN, PSC_VOLTAGE_IN, true, true);
- if (pmbus_check_word_register(client, 0,
- PMBUS_VIN_UV_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "min", in_index,
- 0, PMBUS_VIN_UV_WARN_LIMIT,
- PSC_VOLTAGE_IN, false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT) {
- pmbus_add_boolean_reg(data, "in", "min_alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_VOLTAGE_UV_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, 0,
- PMBUS_VIN_UV_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "lcrit", in_index,
- 0, PMBUS_VIN_UV_FAULT_LIMIT,
- PSC_VOLTAGE_IN, false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT) {
- pmbus_add_boolean_reg(data, "in", "lcrit_alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_VOLTAGE_UV_FAULT);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, 0,
- PMBUS_VIN_OV_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "max", in_index,
- 0, PMBUS_VIN_OV_WARN_LIMIT,
- PSC_VOLTAGE_IN, false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT) {
- pmbus_add_boolean_reg(data, "in", "max_alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_VOLTAGE_OV_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, 0,
- PMBUS_VIN_OV_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "crit", in_index,
- 0, PMBUS_VIN_OV_FAULT_LIMIT,
- PSC_VOLTAGE_IN, false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT) {
- pmbus_add_boolean_reg(data, "in", "crit_alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_VOLTAGE_OV_FAULT);
- have_alarm = true;
- }
- }
- /*
- * Add generic alarm attribute only if there are no individual
- * attributes.
- */
- if (!have_alarm)
- pmbus_add_boolean_reg(data, "in", "alarm",
- in_index,
- PB_STATUS_BASE,
- PB_STATUS_VIN_UV);
- in_index++;
- }
- if (info->func[0] & PMBUS_HAVE_VCAP) {
- pmbus_add_label(data, "in", in_index, "vcap", 0);
- pmbus_add_sensor(data, "in", "input", in_index, 0,
- PMBUS_READ_VCAP, PSC_VOLTAGE_IN, true, true);
- in_index++;
- }
-
- /*
- * Output voltage sensors
- */
- for (page = 0; page < info->pages; page++) {
- bool have_alarm = false;
-
- if (!(info->func[page] & PMBUS_HAVE_VOUT))
- continue;
-
- i0 = data->num_sensors;
- pmbus_add_label(data, "in", in_index, "vout", page + 1);
- pmbus_add_sensor(data, "in", "input", in_index, page,
- PMBUS_READ_VOUT, PSC_VOLTAGE_OUT, true, true);
- if (pmbus_check_word_register(client, page,
- PMBUS_VOUT_UV_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "min", in_index, page,
- PMBUS_VOUT_UV_WARN_LIMIT,
- PSC_VOLTAGE_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_VOUT) {
- pmbus_add_boolean_reg(data, "in", "min_alarm",
- in_index,
- PB_STATUS_VOUT_BASE +
- page,
- PB_VOLTAGE_UV_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_VOUT_UV_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "lcrit", in_index, page,
- PMBUS_VOUT_UV_FAULT_LIMIT,
- PSC_VOLTAGE_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_VOUT) {
- pmbus_add_boolean_reg(data, "in", "lcrit_alarm",
- in_index,
- PB_STATUS_VOUT_BASE +
- page,
- PB_VOLTAGE_UV_FAULT);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_VOUT_OV_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "max", in_index, page,
- PMBUS_VOUT_OV_WARN_LIMIT,
- PSC_VOLTAGE_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_VOUT) {
- pmbus_add_boolean_reg(data, "in", "max_alarm",
- in_index,
- PB_STATUS_VOUT_BASE +
- page,
- PB_VOLTAGE_OV_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_VOUT_OV_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "in", "crit", in_index, page,
- PMBUS_VOUT_OV_FAULT_LIMIT,
- PSC_VOLTAGE_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_VOUT) {
- pmbus_add_boolean_reg(data, "in", "crit_alarm",
- in_index,
- PB_STATUS_VOUT_BASE +
- page,
- PB_VOLTAGE_OV_FAULT);
- have_alarm = true;
- }
- }
- /*
- * Add generic alarm attribute only if there are no individual
- * attributes.
- */
- if (!have_alarm)
- pmbus_add_boolean_reg(data, "in", "alarm",
- in_index,
- PB_STATUS_BASE + page,
- PB_STATUS_VOUT_OV);
- in_index++;
- }
-
- /*
- * Current sensors
- */
-
- /*
- * Input current sensors
- */
- in_index = 1;
- if (info->func[0] & PMBUS_HAVE_IIN) {
- i0 = data->num_sensors;
- pmbus_add_label(data, "curr", in_index, "iin", 0);
- pmbus_add_sensor(data, "curr", "input", in_index, 0,
- PMBUS_READ_IIN, PSC_CURRENT_IN, true, true);
- if (pmbus_check_word_register(client, 0,
- PMBUS_IIN_OC_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "curr", "max", in_index,
- 0, PMBUS_IIN_OC_WARN_LIMIT,
- PSC_CURRENT_IN, false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT) {
- pmbus_add_boolean_reg(data, "curr", "max_alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_IIN_OC_WARNING);
- }
- }
- if (pmbus_check_word_register(client, 0,
- PMBUS_IIN_OC_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "curr", "crit", in_index,
- 0, PMBUS_IIN_OC_FAULT_LIMIT,
- PSC_CURRENT_IN, false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT)
- pmbus_add_boolean_reg(data, "curr",
- "crit_alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_IIN_OC_FAULT);
- }
- in_index++;
- }
-
- /*
- * Output current sensors
- */
- for (page = 0; page < info->pages; page++) {
- bool have_alarm = false;
-
- if (!(info->func[page] & PMBUS_HAVE_IOUT))
- continue;
-
- i0 = data->num_sensors;
- pmbus_add_label(data, "curr", in_index, "iout", page + 1);
- pmbus_add_sensor(data, "curr", "input", in_index, page,
- PMBUS_READ_IOUT, PSC_CURRENT_OUT, true, true);
- if (pmbus_check_word_register(client, page,
- PMBUS_IOUT_OC_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "curr", "max", in_index, page,
- PMBUS_IOUT_OC_WARN_LIMIT,
- PSC_CURRENT_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_IOUT) {
- pmbus_add_boolean_reg(data, "curr", "max_alarm",
- in_index,
- PB_STATUS_IOUT_BASE +
- page, PB_IOUT_OC_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_IOUT_UC_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "curr", "lcrit", in_index, page,
- PMBUS_IOUT_UC_FAULT_LIMIT,
- PSC_CURRENT_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_IOUT) {
- pmbus_add_boolean_reg(data, "curr",
- "lcrit_alarm",
- in_index,
- PB_STATUS_IOUT_BASE +
- page, PB_IOUT_UC_FAULT);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_IOUT_OC_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "curr", "crit", in_index, page,
- PMBUS_IOUT_OC_FAULT_LIMIT,
- PSC_CURRENT_OUT, false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_IOUT) {
- pmbus_add_boolean_reg(data, "curr",
- "crit_alarm",
- in_index,
- PB_STATUS_IOUT_BASE +
- page, PB_IOUT_OC_FAULT);
- have_alarm = true;
- }
- }
- /*
- * Add generic alarm attribute only if there are no individual
- * attributes.
- */
- if (!have_alarm)
- pmbus_add_boolean_reg(data, "curr", "alarm",
- in_index,
- PB_STATUS_BASE + page,
- PB_STATUS_IOUT_OC);
- in_index++;
- }
-
- /*
- * Power sensors
- */
- /*
- * Input Power sensors
- */
- in_index = 1;
- if (info->func[0] & PMBUS_HAVE_PIN) {
- i0 = data->num_sensors;
- pmbus_add_label(data, "power", in_index, "pin", 0);
- pmbus_add_sensor(data, "power", "input", in_index,
- 0, PMBUS_READ_PIN, PSC_POWER, true, true);
- if (pmbus_check_word_register(client, 0,
- PMBUS_PIN_OP_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "power", "max", in_index,
- 0, PMBUS_PIN_OP_WARN_LIMIT, PSC_POWER,
- false, false);
- if (info->func[0] & PMBUS_HAVE_STATUS_INPUT)
- pmbus_add_boolean_reg(data, "power",
- "alarm",
- in_index,
- PB_STATUS_INPUT_BASE,
- PB_PIN_OP_WARNING);
- }
- in_index++;
- }
-
- /*
- * Output Power sensors
- */
- for (page = 0; page < info->pages; page++) {
- bool need_alarm = false;
-
- if (!(info->func[page] & PMBUS_HAVE_POUT))
- continue;
-
- i0 = data->num_sensors;
- pmbus_add_label(data, "power", in_index, "pout", page + 1);
- pmbus_add_sensor(data, "power", "input", in_index, page,
- PMBUS_READ_POUT, PSC_POWER, true, true);
- /*
- * Per hwmon sysfs API, power_cap is to be used to limit output
- * power.
- * We have two registers related to maximum output power,
- * PMBUS_POUT_MAX and PMBUS_POUT_OP_WARN_LIMIT.
- * PMBUS_POUT_MAX matches the powerX_cap attribute definition.
- * There is no attribute in the API to match
- * PMBUS_POUT_OP_WARN_LIMIT. We use powerX_max for now.
- */
- if (pmbus_check_word_register(client, page, PMBUS_POUT_MAX)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "power", "cap", in_index, page,
- PMBUS_POUT_MAX, PSC_POWER,
- false, false);
- need_alarm = true;
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_POUT_OP_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "power", "max", in_index, page,
- PMBUS_POUT_OP_WARN_LIMIT, PSC_POWER,
- false, false);
- need_alarm = true;
- }
- if (need_alarm && (info->func[page] & PMBUS_HAVE_STATUS_IOUT))
- pmbus_add_boolean_reg(data, "power", "alarm",
- in_index,
- PB_STATUS_IOUT_BASE + page,
- PB_POUT_OP_WARNING
- | PB_POWER_LIMITING);
-
- if (pmbus_check_word_register(client, page,
- PMBUS_POUT_OP_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "power", "crit", in_index, page,
- PMBUS_POUT_OP_FAULT_LIMIT, PSC_POWER,
- false, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_IOUT)
- pmbus_add_boolean_reg(data, "power",
- "crit_alarm",
- in_index,
- PB_STATUS_IOUT_BASE
- + page,
- PB_POUT_OP_FAULT);
- }
- in_index++;
- }
-
- /*
- * Temperature sensors
- */
- in_index = 1;
- for (page = 0; page < info->pages; page++) {
- int t;
-
- for (t = 0; t < ARRAY_SIZE(pmbus_temp_registers); t++) {
- bool have_alarm = false;
-
- /*
- * A PMBus chip may support any combination of
- * temperature registers on any page. So we can not
- * abort after a failure to detect a register, but have
- * to continue checking for all registers on all pages.
- */
- if (!(info->func[page] & pmbus_temp_flags[t]))
+ pages = attrs->paged ? info->pages : 1;
+ for (page = 0; page < pages; page++) {
+ if (!(info->func[page] & attrs->func))
continue;
-
- if (!pmbus_check_word_register
- (client, page, pmbus_temp_registers[t]))
- continue;
-
- i0 = data->num_sensors;
- pmbus_add_sensor(data, "temp", "input", in_index, page,
- pmbus_temp_registers[t],
- PSC_TEMPERATURE, true, true);
-
- /*
- * PMBus provides only one status register for TEMP1-3.
- * Thus, we can not use the status register to determine
- * which of the three sensors actually caused an alarm.
- * Always compare current temperature against the limit
- * registers to determine alarm conditions for a
- * specific sensor.
- *
- * Since there is only one set of limit registers for
- * up to three temperature sensors, we need to update
- * all limit registers after the limit was changed for
- * one of the sensors. This ensures that correct limits
- * are reported for all temperature sensors.
- */
- if (pmbus_check_word_register
- (client, page, PMBUS_UT_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "temp", "min", in_index,
- page, PMBUS_UT_WARN_LIMIT,
- PSC_TEMPERATURE, true, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
- pmbus_add_boolean_cmp(data, "temp",
- "min_alarm", in_index, i1, i0,
- PB_STATUS_TEMP_BASE + page,
- PB_TEMP_UT_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_UT_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "temp", "lcrit",
- in_index, page,
- PMBUS_UT_FAULT_LIMIT,
- PSC_TEMPERATURE, true, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
- pmbus_add_boolean_cmp(data, "temp",
- "lcrit_alarm", in_index, i1, i0,
- PB_STATUS_TEMP_BASE + page,
- PB_TEMP_UT_FAULT);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register
- (client, page, PMBUS_OT_WARN_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "temp", "max", in_index,
- page, PMBUS_OT_WARN_LIMIT,
- PSC_TEMPERATURE, true, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
- pmbus_add_boolean_cmp(data, "temp",
- "max_alarm", in_index, i0, i1,
- PB_STATUS_TEMP_BASE + page,
- PB_TEMP_OT_WARNING);
- have_alarm = true;
- }
- }
- if (pmbus_check_word_register(client, page,
- PMBUS_OT_FAULT_LIMIT)) {
- i1 = data->num_sensors;
- pmbus_add_sensor(data, "temp", "crit", in_index,
- page, PMBUS_OT_FAULT_LIMIT,
- PSC_TEMPERATURE, true, false);
- if (info->func[page] & PMBUS_HAVE_STATUS_TEMP) {
- pmbus_add_boolean_cmp(data, "temp",
- "crit_alarm", in_index, i0, i1,
- PB_STATUS_TEMP_BASE + page,
- PB_TEMP_OT_FAULT);
- have_alarm = true;
- }
- }
- /*
- * Last resort - we were not able to create any alarm
- * registers. Report alarm for all sensors using the
- * status register temperature alarm bit.
- */
- if (!have_alarm)
- pmbus_add_boolean_reg(data, "temp", "alarm",
- in_index,
- PB_STATUS_BASE + page,
- PB_STATUS_TEMPERATURE);
- in_index++;
+ pmbus_add_sensor_attrs_one(client, data, info, name,
+ index, page, attrs);
+ index++;
}
+ attrs++;
}
+}
- /*
- * Fans
- */
- in_index = 1;
+static const struct pmbus_limit_attr vin_limit_attrs[] = {
+ {
+ .reg = PMBUS_VIN_UV_WARN_LIMIT,
+ .attr = "min",
+ .alarm = "min_alarm",
+ .sbit = PB_VOLTAGE_UV_WARNING,
+ }, {
+ .reg = PMBUS_VIN_UV_FAULT_LIMIT,
+ .attr = "lcrit",
+ .alarm = "lcrit_alarm",
+ .sbit = PB_VOLTAGE_UV_FAULT,
+ }, {
+ .reg = PMBUS_VIN_OV_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "max_alarm",
+ .sbit = PB_VOLTAGE_OV_WARNING,
+ }, {
+ .reg = PMBUS_VIN_OV_FAULT_LIMIT,
+ .attr = "crit",
+ .alarm = "crit_alarm",
+ .sbit = PB_VOLTAGE_OV_FAULT,
+ },
+};
+
+static const struct pmbus_limit_attr vout_limit_attrs[] = {
+ {
+ .reg = PMBUS_VOUT_UV_WARN_LIMIT,
+ .attr = "min",
+ .alarm = "min_alarm",
+ .sbit = PB_VOLTAGE_UV_WARNING,
+ }, {
+ .reg = PMBUS_VOUT_UV_FAULT_LIMIT,
+ .attr = "lcrit",
+ .alarm = "lcrit_alarm",
+ .sbit = PB_VOLTAGE_UV_FAULT,
+ }, {
+ .reg = PMBUS_VOUT_OV_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "max_alarm",
+ .sbit = PB_VOLTAGE_OV_WARNING,
+ }, {
+ .reg = PMBUS_VOUT_OV_FAULT_LIMIT,
+ .attr = "crit",
+ .alarm = "crit_alarm",
+ .sbit = PB_VOLTAGE_OV_FAULT,
+ }
+};
+
+static const struct pmbus_sensor_attr voltage_attributes[] = {
+ {
+ .reg = PMBUS_READ_VIN,
+ .class = PSC_VOLTAGE_IN,
+ .label = "vin",
+ .func = PMBUS_HAVE_VIN,
+ .sfunc = PMBUS_HAVE_STATUS_INPUT,
+ .sbase = PB_STATUS_INPUT_BASE,
+ .gbit = PB_STATUS_VIN_UV,
+ .limit = vin_limit_attrs,
+ .nlimit = ARRAY_SIZE(vin_limit_attrs),
+ }, {
+ .reg = PMBUS_READ_VCAP,
+ .class = PSC_VOLTAGE_IN,
+ .label = "vcap",
+ .func = PMBUS_HAVE_VCAP,
+ }, {
+ .reg = PMBUS_READ_VOUT,
+ .class = PSC_VOLTAGE_OUT,
+ .label = "vout",
+ .paged = true,
+ .func = PMBUS_HAVE_VOUT,
+ .sfunc = PMBUS_HAVE_STATUS_VOUT,
+ .sbase = PB_STATUS_VOUT_BASE,
+ .gbit = PB_STATUS_VOUT_OV,
+ .limit = vout_limit_attrs,
+ .nlimit = ARRAY_SIZE(vout_limit_attrs),
+ }
+};
+
+/* Current attributes */
+
+static const struct pmbus_limit_attr iin_limit_attrs[] = {
+ {
+ .reg = PMBUS_IIN_OC_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "max_alarm",
+ .sbit = PB_IIN_OC_WARNING,
+ }, {
+ .reg = PMBUS_IIN_OC_FAULT_LIMIT,
+ .attr = "crit",
+ .alarm = "crit_alarm",
+ .sbit = PB_IIN_OC_FAULT,
+ }
+};
+
+static const struct pmbus_limit_attr iout_limit_attrs[] = {
+ {
+ .reg = PMBUS_IOUT_OC_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "max_alarm",
+ .sbit = PB_IOUT_OC_WARNING,
+ }, {
+ .reg = PMBUS_IOUT_UC_FAULT_LIMIT,
+ .attr = "lcrit",
+ .alarm = "lcrit_alarm",
+ .sbit = PB_IOUT_UC_FAULT,
+ }, {
+ .reg = PMBUS_IOUT_OC_FAULT_LIMIT,
+ .attr = "crit",
+ .alarm = "crit_alarm",
+ .sbit = PB_IOUT_OC_FAULT,
+ }
+};
+
+static const struct pmbus_sensor_attr current_attributes[] = {
+ {
+ .reg = PMBUS_READ_IIN,
+ .class = PSC_CURRENT_IN,
+ .label = "iin",
+ .func = PMBUS_HAVE_IIN,
+ .sfunc = PMBUS_HAVE_STATUS_INPUT,
+ .sbase = PB_STATUS_INPUT_BASE,
+ .limit = iin_limit_attrs,
+ .nlimit = ARRAY_SIZE(iin_limit_attrs),
+ }, {
+ .reg = PMBUS_READ_IOUT,
+ .class = PSC_CURRENT_OUT,
+ .label = "iout",
+ .paged = true,
+ .func = PMBUS_HAVE_IOUT,
+ .sfunc = PMBUS_HAVE_STATUS_IOUT,
+ .sbase = PB_STATUS_IOUT_BASE,
+ .gbit = PB_STATUS_IOUT_OC,
+ .limit = iout_limit_attrs,
+ .nlimit = ARRAY_SIZE(iout_limit_attrs),
+ }
+};
+
+/* Power attributes */
+
+static const struct pmbus_limit_attr pin_limit_attrs[] = {
+ {
+ .reg = PMBUS_PIN_OP_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "alarm",
+ .sbit = PB_PIN_OP_WARNING,
+ }
+};
+
+static const struct pmbus_limit_attr pout_limit_attrs[] = {
+ {
+ .reg = PMBUS_POUT_MAX,
+ .attr = "cap",
+ .alarm = "cap_alarm",
+ .sbit = PB_POWER_LIMITING,
+ }, {
+ .reg = PMBUS_POUT_OP_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "max_alarm",
+ .sbit = PB_POUT_OP_WARNING,
+ }, {
+ .reg = PMBUS_POUT_OP_FAULT_LIMIT,
+ .attr = "crit",
+ .alarm = "crit_alarm",
+ .sbit = PB_POUT_OP_FAULT,
+ }
+};
+
+static const struct pmbus_sensor_attr power_attributes[] = {
+ {
+ .reg = PMBUS_READ_PIN,
+ .class = PSC_POWER,
+ .label = "pin",
+ .func = PMBUS_HAVE_PIN,
+ .sfunc = PMBUS_HAVE_STATUS_INPUT,
+ .sbase = PB_STATUS_INPUT_BASE,
+ .limit = pin_limit_attrs,
+ .nlimit = ARRAY_SIZE(pin_limit_attrs),
+ }, {
+ .reg = PMBUS_READ_POUT,
+ .class = PSC_POWER,
+ .label = "pout",
+ .paged = true,
+ .func = PMBUS_HAVE_POUT,
+ .sfunc = PMBUS_HAVE_STATUS_IOUT,
+ .sbase = PB_STATUS_IOUT_BASE,
+ .limit = pout_limit_attrs,
+ .nlimit = ARRAY_SIZE(pout_limit_attrs),
+ }
+};
+
+/* Temperature atributes */
+
+static const struct pmbus_limit_attr temp_limit_attrs[] = {
+ {
+ .reg = PMBUS_UT_WARN_LIMIT,
+ .attr = "min",
+ .alarm = "min_alarm",
+ .sbit = PB_TEMP_UT_WARNING,
+ }, {
+ .reg = PMBUS_UT_FAULT_LIMIT,
+ .attr = "lcrit",
+ .alarm = "lcrit_alarm",
+ .sbit = PB_TEMP_UT_FAULT,
+ }, {
+ .reg = PMBUS_OT_WARN_LIMIT,
+ .attr = "max",
+ .alarm = "max_alarm",
+ .sbit = PB_TEMP_OT_WARNING,
+ }, {
+ .reg = PMBUS_OT_FAULT_LIMIT,
+ .attr = "crit",
+ .alarm = "crit_alarm",
+ .sbit = PB_TEMP_OT_FAULT,
+ }
+};
+
+static const struct pmbus_sensor_attr temp_attributes[] = {
+ {
+ .reg = PMBUS_READ_TEMPERATURE_1,
+ .class = PSC_TEMPERATURE,
+ .paged = true,
+ .update = true,
+ .compare = true,
+ .func = PMBUS_HAVE_TEMP,
+ .sfunc = PMBUS_HAVE_STATUS_TEMP,
+ .sbase = PB_STATUS_TEMP_BASE,
+ .gbit = PB_STATUS_TEMPERATURE,
+ .limit = temp_limit_attrs,
+ .nlimit = ARRAY_SIZE(temp_limit_attrs),
+ }, {
+ .reg = PMBUS_READ_TEMPERATURE_2,
+ .class = PSC_TEMPERATURE,
+ .paged = true,
+ .update = true,
+ .compare = true,
+ .func = PMBUS_HAVE_TEMP2,
+ .sfunc = PMBUS_HAVE_STATUS_TEMP,
+ .sbase = PB_STATUS_TEMP_BASE,
+ .gbit = PB_STATUS_TEMPERATURE,
+ .limit = temp_limit_attrs,
+ .nlimit = ARRAY_SIZE(temp_limit_attrs),
+ }, {
+ .reg = PMBUS_READ_TEMPERATURE_3,
+ .class = PSC_TEMPERATURE,
+ .paged = true,
+ .update = true,
+ .compare = true,
+ .func = PMBUS_HAVE_TEMP3,
+ .sfunc = PMBUS_HAVE_STATUS_TEMP,
+ .sbase = PB_STATUS_TEMP_BASE,
+ .gbit = PB_STATUS_TEMPERATURE,
+ .limit = temp_limit_attrs,
+ .nlimit = ARRAY_SIZE(temp_limit_attrs),
+ }
+};
+
+static const int pmbus_fan_registers[] = {
+ PMBUS_READ_FAN_SPEED_1,
+ PMBUS_READ_FAN_SPEED_2,
+ PMBUS_READ_FAN_SPEED_3,
+ PMBUS_READ_FAN_SPEED_4
+};
+
+static const int pmbus_fan_config_registers[] = {
+ PMBUS_FAN_CONFIG_12,
+ PMBUS_FAN_CONFIG_12,
+ PMBUS_FAN_CONFIG_34,
+ PMBUS_FAN_CONFIG_34
+};
+
+static const int pmbus_fan_status_registers[] = {
+ PMBUS_STATUS_FAN_12,
+ PMBUS_STATUS_FAN_12,
+ PMBUS_STATUS_FAN_34,
+ PMBUS_STATUS_FAN_34
+};
+
+static const u32 pmbus_fan_flags[] = {
+ PMBUS_HAVE_FAN12,
+ PMBUS_HAVE_FAN12,
+ PMBUS_HAVE_FAN34,
+ PMBUS_HAVE_FAN34
+};
+
+static const u32 pmbus_fan_status_flags[] = {
+ PMBUS_HAVE_STATUS_FAN12,
+ PMBUS_HAVE_STATUS_FAN12,
+ PMBUS_HAVE_STATUS_FAN34,
+ PMBUS_HAVE_STATUS_FAN34
+};
+
+/* Fans */
+static void pmbus_add_fan_attributes(struct i2c_client *client,
+ struct pmbus_data *data)
+{
+ const struct pmbus_driver_info *info = data->info;
+ int index = 1;
+ int page;
+
for (page = 0; page < info->pages; page++) {
int f;
@@ -1419,8 +1304,7 @@
(!(regval & (PB_FAN_1_INSTALLED >> ((f & 1) * 4)))))
continue;
- i0 = data->num_sensors;
- pmbus_add_sensor(data, "fan", "input", in_index, page,
+ pmbus_add_sensor(data, "fan", "input", index, page,
pmbus_fan_registers[f], PSC_FAN, true,
true);
@@ -1438,17 +1322,40 @@
else
base = PB_STATUS_FAN_BASE + page;
pmbus_add_boolean_reg(data, "fan", "alarm",
- in_index, base,
+ index, base,
PB_FAN_FAN1_WARNING >> (f & 1));
pmbus_add_boolean_reg(data, "fan", "fault",
- in_index, base,
+ index, base,
PB_FAN_FAN1_FAULT >> (f & 1));
}
- in_index++;
+ index++;
}
}
}
+static void pmbus_find_attributes(struct i2c_client *client,
+ struct pmbus_data *data)
+{
+ /* Voltage sensors */
+ pmbus_add_sensor_attrs(client, data, "in", voltage_attributes,
+ ARRAY_SIZE(voltage_attributes));
+
+ /* Current sensors */
+ pmbus_add_sensor_attrs(client, data, "curr", current_attributes,
+ ARRAY_SIZE(current_attributes));
+
+ /* Power sensors */
+ pmbus_add_sensor_attrs(client, data, "power", power_attributes,
+ ARRAY_SIZE(power_attributes));
+
+ /* Temperature sensors */
+ pmbus_add_sensor_attrs(client, data, "temp", temp_attributes,
+ ARRAY_SIZE(temp_attributes));
+
+ /* Fans */
+ pmbus_add_fan_attributes(client, data);
+}
+
/*
* Identify chip parameters.
* This function is called for all chips.