mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-24 12:44:11 +08:00
Thermal/int340x/int3402: Use int340x thermal API
Using APIs from int340x thermal zone module to add and remove thermal zones. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Srinivas Pandruvada
Zhang Rui
parent
5fbf7f27fa
commit
820cdeba40
@ -14,152 +14,17 @@
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/acpi.h>
|
||||
#include <linux/thermal.h>
|
||||
|
||||
#define ACPI_ACTIVE_COOLING_MAX_NR 10
|
||||
|
||||
struct active_trip {
|
||||
unsigned long temp;
|
||||
int id;
|
||||
bool valid;
|
||||
};
|
||||
#include "int340x_thermal_zone.h"
|
||||
|
||||
struct int3402_thermal_data {
|
||||
unsigned long *aux_trips;
|
||||
int aux_trip_nr;
|
||||
unsigned long psv_temp;
|
||||
int psv_trip_id;
|
||||
unsigned long crt_temp;
|
||||
int crt_trip_id;
|
||||
unsigned long hot_temp;
|
||||
int hot_trip_id;
|
||||
struct active_trip act_trips[ACPI_ACTIVE_COOLING_MAX_NR];
|
||||
acpi_handle *handle;
|
||||
struct int34x_thermal_zone *int340x_zone;
|
||||
};
|
||||
|
||||
static int int3402_thermal_get_zone_temp(struct thermal_zone_device *zone,
|
||||
unsigned long *temp)
|
||||
{
|
||||
struct int3402_thermal_data *d = zone->devdata;
|
||||
unsigned long long tmp;
|
||||
acpi_status status;
|
||||
|
||||
status = acpi_evaluate_integer(d->handle, "_TMP", NULL, &tmp);
|
||||
if (ACPI_FAILURE(status))
|
||||
return -ENODEV;
|
||||
|
||||
/* _TMP returns the temperature in tenths of degrees Kelvin */
|
||||
*temp = DECI_KELVIN_TO_MILLICELSIUS(tmp);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int int3402_thermal_get_trip_temp(struct thermal_zone_device *zone,
|
||||
int trip, unsigned long *temp)
|
||||
{
|
||||
struct int3402_thermal_data *d = zone->devdata;
|
||||
int i;
|
||||
|
||||
if (trip < d->aux_trip_nr)
|
||||
*temp = d->aux_trips[trip];
|
||||
else if (trip == d->crt_trip_id)
|
||||
*temp = d->crt_temp;
|
||||
else if (trip == d->psv_trip_id)
|
||||
*temp = d->psv_temp;
|
||||
else if (trip == d->hot_trip_id)
|
||||
*temp = d->hot_temp;
|
||||
else {
|
||||
for (i = 0; i < ACPI_ACTIVE_COOLING_MAX_NR; i++) {
|
||||
if (d->act_trips[i].valid &&
|
||||
d->act_trips[i].id == trip) {
|
||||
*temp = d->act_trips[i].temp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (i == ACPI_ACTIVE_COOLING_MAX_NR)
|
||||
return -EINVAL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int int3402_thermal_get_trip_type(struct thermal_zone_device *zone,
|
||||
int trip, enum thermal_trip_type *type)
|
||||
{
|
||||
struct int3402_thermal_data *d = zone->devdata;
|
||||
int i;
|
||||
|
||||
if (trip < d->aux_trip_nr)
|
||||
*type = THERMAL_TRIP_PASSIVE;
|
||||
else if (trip == d->crt_trip_id)
|
||||
*type = THERMAL_TRIP_CRITICAL;
|
||||
else if (trip == d->hot_trip_id)
|
||||
*type = THERMAL_TRIP_HOT;
|
||||
else if (trip == d->psv_trip_id)
|
||||
*type = THERMAL_TRIP_PASSIVE;
|
||||
else {
|
||||
for (i = 0; i < ACPI_ACTIVE_COOLING_MAX_NR; i++) {
|
||||
if (d->act_trips[i].valid &&
|
||||
d->act_trips[i].id == trip) {
|
||||
*type = THERMAL_TRIP_ACTIVE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (i == ACPI_ACTIVE_COOLING_MAX_NR)
|
||||
return -EINVAL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int int3402_thermal_set_trip_temp(struct thermal_zone_device *zone, int trip,
|
||||
unsigned long temp)
|
||||
{
|
||||
struct int3402_thermal_data *d = zone->devdata;
|
||||
acpi_status status;
|
||||
char name[10];
|
||||
|
||||
snprintf(name, sizeof(name), "PAT%d", trip);
|
||||
status = acpi_execute_simple_method(d->handle, name,
|
||||
MILLICELSIUS_TO_DECI_KELVIN(temp));
|
||||
if (ACPI_FAILURE(status))
|
||||
return -EIO;
|
||||
|
||||
d->aux_trips[trip] = temp;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct thermal_zone_device_ops int3402_thermal_zone_ops = {
|
||||
.get_temp = int3402_thermal_get_zone_temp,
|
||||
.get_trip_temp = int3402_thermal_get_trip_temp,
|
||||
.get_trip_type = int3402_thermal_get_trip_type,
|
||||
.set_trip_temp = int3402_thermal_set_trip_temp,
|
||||
};
|
||||
|
||||
static struct thermal_zone_params int3402_thermal_params = {
|
||||
.governor_name = "user_space",
|
||||
.no_hwmon = true,
|
||||
};
|
||||
|
||||
static int int3402_thermal_get_temp(acpi_handle handle, char *name,
|
||||
unsigned long *temp)
|
||||
{
|
||||
unsigned long long r;
|
||||
acpi_status status;
|
||||
|
||||
status = acpi_evaluate_integer(handle, name, NULL, &r);
|
||||
if (ACPI_FAILURE(status))
|
||||
return -EIO;
|
||||
|
||||
*temp = DECI_KELVIN_TO_MILLICELSIUS(r);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int int3402_thermal_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
|
||||
struct int3402_thermal_data *d;
|
||||
struct thermal_zone_device *zone;
|
||||
acpi_status status;
|
||||
unsigned long long trip_cnt;
|
||||
int trip_mask = 0, i;
|
||||
|
||||
if (!acpi_has_method(adev->handle, "_TMP"))
|
||||
return -ENODEV;
|
||||
@ -168,54 +33,22 @@ static int int3402_thermal_probe(struct platform_device *pdev)
|
||||
if (!d)
|
||||
return -ENOMEM;
|
||||
|
||||
status = acpi_evaluate_integer(adev->handle, "PATC", NULL, &trip_cnt);
|
||||
if (ACPI_FAILURE(status))
|
||||
trip_cnt = 0;
|
||||
else {
|
||||
d->aux_trips = devm_kzalloc(&pdev->dev,
|
||||
sizeof(*d->aux_trips) * trip_cnt, GFP_KERNEL);
|
||||
if (!d->aux_trips)
|
||||
return -ENOMEM;
|
||||
trip_mask = trip_cnt - 1;
|
||||
d->handle = adev->handle;
|
||||
d->aux_trip_nr = trip_cnt;
|
||||
}
|
||||
d->int340x_zone = int340x_thermal_zone_add(adev, NULL);
|
||||
if (IS_ERR(d->int340x_zone))
|
||||
return PTR_ERR(d->int340x_zone);
|
||||
|
||||
d->crt_trip_id = -1;
|
||||
if (!int3402_thermal_get_temp(adev->handle, "_CRT", &d->crt_temp))
|
||||
d->crt_trip_id = trip_cnt++;
|
||||
d->hot_trip_id = -1;
|
||||
if (!int3402_thermal_get_temp(adev->handle, "_HOT", &d->hot_temp))
|
||||
d->hot_trip_id = trip_cnt++;
|
||||
d->psv_trip_id = -1;
|
||||
if (!int3402_thermal_get_temp(adev->handle, "_PSV", &d->psv_temp))
|
||||
d->psv_trip_id = trip_cnt++;
|
||||
for (i = 0; i < ACPI_ACTIVE_COOLING_MAX_NR; i++) {
|
||||
char name[5] = { '_', 'A', 'C', '0' + i, '\0' };
|
||||
if (int3402_thermal_get_temp(adev->handle, name,
|
||||
&d->act_trips[i].temp))
|
||||
break;
|
||||
d->act_trips[i].id = trip_cnt++;
|
||||
d->act_trips[i].valid = true;
|
||||
}
|
||||
|
||||
zone = thermal_zone_device_register(acpi_device_bid(adev), trip_cnt,
|
||||
trip_mask, d,
|
||||
&int3402_thermal_zone_ops,
|
||||
&int3402_thermal_params,
|
||||
0, 0);
|
||||
if (IS_ERR(zone))
|
||||
return PTR_ERR(zone);
|
||||
platform_set_drvdata(pdev, zone);
|
||||
d->handle = adev->handle;
|
||||
platform_set_drvdata(pdev, d);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int int3402_thermal_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct thermal_zone_device *zone = platform_get_drvdata(pdev);
|
||||
struct int3402_thermal_data *d = platform_get_drvdata(pdev);
|
||||
|
||||
int340x_thermal_zone_remove(d->int340x_zone);
|
||||
|
||||
thermal_zone_device_unregister(zone);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user