Thermal: int3403: Add CRT and PSV trip
The ACPI object definition can contain passive and critical trip temperature. Export them via thermal sysfs. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
parent
a497c3ba1d
commit
5fcdeb20df
|
@ -33,6 +33,10 @@
|
||||||
struct int3403_sensor {
|
struct int3403_sensor {
|
||||||
struct thermal_zone_device *tzone;
|
struct thermal_zone_device *tzone;
|
||||||
unsigned long *thresholds;
|
unsigned long *thresholds;
|
||||||
|
unsigned long crit_temp;
|
||||||
|
int crit_trip_id;
|
||||||
|
unsigned long psv_temp;
|
||||||
|
int psv_trip_id;
|
||||||
};
|
};
|
||||||
|
|
||||||
static int sys_get_curr_temp(struct thermal_zone_device *tzone,
|
static int sys_get_curr_temp(struct thermal_zone_device *tzone,
|
||||||
|
@ -79,12 +83,18 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzone,
|
||||||
struct acpi_device *device = tzone->devdata;
|
struct acpi_device *device = tzone->devdata;
|
||||||
struct int3403_sensor *obj = acpi_driver_data(device);
|
struct int3403_sensor *obj = acpi_driver_data(device);
|
||||||
|
|
||||||
/*
|
if (trip == obj->crit_trip_id)
|
||||||
* get_trip_temp is a mandatory callback but
|
*temp = obj->crit_temp;
|
||||||
* PATx method doesn't return any value, so return
|
else if (trip == obj->psv_trip_id)
|
||||||
* cached value, which was last set from user space.
|
*temp = obj->psv_temp;
|
||||||
*/
|
else {
|
||||||
*temp = obj->thresholds[trip];
|
/*
|
||||||
|
* get_trip_temp is a mandatory callback but
|
||||||
|
* PATx method doesn't return any value, so return
|
||||||
|
* cached value, which was last set from user space.
|
||||||
|
*/
|
||||||
|
*temp = obj->thresholds[trip];
|
||||||
|
}
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
@ -92,8 +102,14 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzone,
|
||||||
static int sys_get_trip_type(struct thermal_zone_device *thermal,
|
static int sys_get_trip_type(struct thermal_zone_device *thermal,
|
||||||
int trip, enum thermal_trip_type *type)
|
int trip, enum thermal_trip_type *type)
|
||||||
{
|
{
|
||||||
|
struct acpi_device *device = thermal->devdata;
|
||||||
|
struct int3403_sensor *obj = acpi_driver_data(device);
|
||||||
|
|
||||||
/* Mandatory callback, may not mean much here */
|
/* Mandatory callback, may not mean much here */
|
||||||
*type = THERMAL_TRIP_PASSIVE;
|
if (trip == obj->crit_trip_id)
|
||||||
|
*type = THERMAL_TRIP_CRITICAL;
|
||||||
|
else
|
||||||
|
*type = THERMAL_TRIP_PASSIVE;
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
@ -155,6 +171,34 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static int sys_get_trip_crt(struct acpi_device *device, unsigned long *temp)
|
||||||
|
{
|
||||||
|
unsigned long long crt;
|
||||||
|
acpi_status status;
|
||||||
|
|
||||||
|
status = acpi_evaluate_integer(device->handle, "_CRT", NULL, &crt);
|
||||||
|
if (ACPI_FAILURE(status))
|
||||||
|
return -EIO;
|
||||||
|
|
||||||
|
*temp = DECI_KELVIN_TO_MILLI_CELSIUS(crt, KELVIN_OFFSET);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int sys_get_trip_psv(struct acpi_device *device, unsigned long *temp)
|
||||||
|
{
|
||||||
|
unsigned long long psv;
|
||||||
|
acpi_status status;
|
||||||
|
|
||||||
|
status = acpi_evaluate_integer(device->handle, "_PSV", NULL, &psv);
|
||||||
|
if (ACPI_FAILURE(status))
|
||||||
|
return -EIO;
|
||||||
|
|
||||||
|
*temp = DECI_KELVIN_TO_MILLI_CELSIUS(psv, KELVIN_OFFSET);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
static int acpi_int3403_add(struct acpi_device *device)
|
static int acpi_int3403_add(struct acpi_device *device)
|
||||||
{
|
{
|
||||||
int result = 0;
|
int result = 0;
|
||||||
|
@ -194,6 +238,15 @@ static int acpi_int3403_add(struct acpi_device *device)
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
trip_mask = BIT(trip_cnt) - 1;
|
trip_mask = BIT(trip_cnt) - 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
obj->psv_trip_id = -1;
|
||||||
|
if (!sys_get_trip_psv(device, &obj->psv_temp))
|
||||||
|
obj->psv_trip_id = trip_cnt++;
|
||||||
|
|
||||||
|
obj->crit_trip_id = -1;
|
||||||
|
if (!sys_get_trip_crt(device, &obj->crit_temp))
|
||||||
|
obj->crit_trip_id = trip_cnt++;
|
||||||
|
|
||||||
obj->tzone = thermal_zone_device_register(acpi_device_bid(device),
|
obj->tzone = thermal_zone_device_register(acpi_device_bid(device),
|
||||||
trip_cnt, trip_mask, device, &tzone_ops,
|
trip_cnt, trip_mask, device, &tzone_ops,
|
||||||
NULL, 0, 0);
|
NULL, 0, 0);
|
||||||
|
|
Loading…
Reference in New Issue