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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2015-01-17 00:59:04 +0100
committerZhang Rui <rui.zhang@intel.com>2015-01-20 02:30:19 +0100
commit820cdeba4086c74eb977088f1f9d31fd4c0aba9a (patch)
treeceff0b9b7ad854f1fa35e45291a0fb1e342bba4b /drivers/thermal/int340x_thermal
parentThermal/int340x: Add common thermal zone handler (diff)
downloadlinux-820cdeba4086c74eb977088f1f9d31fd4c0aba9a.tar.xz
linux-820cdeba4086c74eb977088f1f9d31fd4c0aba9a.zip
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>
Diffstat (limited to 'drivers/thermal/int340x_thermal')
-rw-r--r--drivers/thermal/int340x_thermal/int3402_thermal.c189
1 files changed, 11 insertions, 178 deletions
diff --git a/drivers/thermal/int340x_thermal/int3402_thermal.c b/drivers/thermal/int340x_thermal/int3402_thermal.c
index c5cbc3af3a05..7ffc749ce0f2 100644
--- a/drivers/thermal/int340x_thermal/int3402_thermal.c
+++ b/drivers/thermal/int340x_thermal/int3402_thermal.c
@@ -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->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->int340x_zone = int340x_thermal_zone_add(adev, NULL);
+ if (IS_ERR(d->int340x_zone))
+ return PTR_ERR(d->int340x_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;
}