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path: root/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
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Diffstat (limited to 'drivers/thermal/int340x_thermal/int340x_thermal_zone.c')
-rw-r--r--drivers/thermal/int340x_thermal/int340x_thermal_zone.c294
1 files changed, 0 insertions, 294 deletions
diff --git a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
deleted file mode 100644
index 145a5c53ff5c..000000000000
--- a/drivers/thermal/int340x_thermal/int340x_thermal_zone.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * int340x_thermal_zone.c
- * Copyright (c) 2015, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- */
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include <linux/thermal.h>
-#include "int340x_thermal_zone.h"
-
-static int int340x_thermal_get_zone_temp(struct thermal_zone_device *zone,
- int *temp)
-{
- struct int34x_thermal_zone *d = zone->devdata;
- unsigned long long tmp;
- acpi_status status;
-
- if (d->override_ops && d->override_ops->get_temp)
- return d->override_ops->get_temp(zone, temp);
-
- status = acpi_evaluate_integer(d->adev->handle, "_TMP", NULL, &tmp);
- if (ACPI_FAILURE(status))
- return -EIO;
-
- if (d->lpat_table) {
- int conv_temp;
-
- conv_temp = acpi_lpat_raw_to_temp(d->lpat_table, (int)tmp);
- if (conv_temp < 0)
- return conv_temp;
-
- *temp = (unsigned long)conv_temp * 10;
- } else
- /* _TMP returns the temperature in tenths of degrees Kelvin */
- *temp = DECI_KELVIN_TO_MILLICELSIUS(tmp);
-
- return 0;
-}
-
-static int int340x_thermal_get_trip_temp(struct thermal_zone_device *zone,
- int trip, int *temp)
-{
- struct int34x_thermal_zone *d = zone->devdata;
- int i;
-
- if (d->override_ops && d->override_ops->get_trip_temp)
- return d->override_ops->get_trip_temp(zone, trip, temp);
-
- 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 < INT340X_THERMAL_MAX_ACT_TRIP_COUNT; i++) {
- if (d->act_trips[i].valid &&
- d->act_trips[i].id == trip) {
- *temp = d->act_trips[i].temp;
- break;
- }
- }
- if (i == INT340X_THERMAL_MAX_ACT_TRIP_COUNT)
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int int340x_thermal_get_trip_type(struct thermal_zone_device *zone,
- int trip,
- enum thermal_trip_type *type)
-{
- struct int34x_thermal_zone *d = zone->devdata;
- int i;
-
- if (d->override_ops && d->override_ops->get_trip_type)
- return d->override_ops->get_trip_type(zone, trip, type);
-
- 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 < INT340X_THERMAL_MAX_ACT_TRIP_COUNT; i++) {
- if (d->act_trips[i].valid &&
- d->act_trips[i].id == trip) {
- *type = THERMAL_TRIP_ACTIVE;
- break;
- }
- }
- if (i == INT340X_THERMAL_MAX_ACT_TRIP_COUNT)
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int int340x_thermal_set_trip_temp(struct thermal_zone_device *zone,
- int trip, int temp)
-{
- struct int34x_thermal_zone *d = zone->devdata;
- acpi_status status;
- char name[10];
-
- if (d->override_ops && d->override_ops->set_trip_temp)
- return d->override_ops->set_trip_temp(zone, trip, temp);
-
- snprintf(name, sizeof(name), "PAT%d", trip);
- status = acpi_execute_simple_method(d->adev->handle, name,
- MILLICELSIUS_TO_DECI_KELVIN(temp));
- if (ACPI_FAILURE(status))
- return -EIO;
-
- d->aux_trips[trip] = temp;
-
- return 0;
-}
-
-
-static int int340x_thermal_get_trip_hyst(struct thermal_zone_device *zone,
- int trip, int *temp)
-{
- struct int34x_thermal_zone *d = zone->devdata;
- acpi_status status;
- unsigned long long hyst;
-
- if (d->override_ops && d->override_ops->get_trip_hyst)
- return d->override_ops->get_trip_hyst(zone, trip, temp);
-
- status = acpi_evaluate_integer(d->adev->handle, "GTSH", NULL, &hyst);
- if (ACPI_FAILURE(status))
- return -EIO;
-
- *temp = hyst * 100;
-
- return 0;
-}
-
-static struct thermal_zone_device_ops int340x_thermal_zone_ops = {
- .get_temp = int340x_thermal_get_zone_temp,
- .get_trip_temp = int340x_thermal_get_trip_temp,
- .get_trip_type = int340x_thermal_get_trip_type,
- .set_trip_temp = int340x_thermal_set_trip_temp,
- .get_trip_hyst = int340x_thermal_get_trip_hyst,
-};
-
-static int int340x_thermal_get_trip_config(acpi_handle handle, char *name,
- int *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;
-}
-
-int int340x_thermal_read_trips(struct int34x_thermal_zone *int34x_zone)
-{
- int trip_cnt = int34x_zone->aux_trip_nr;
- int i;
-
- int34x_zone->crt_trip_id = -1;
- if (!int340x_thermal_get_trip_config(int34x_zone->adev->handle, "_CRT",
- &int34x_zone->crt_temp))
- int34x_zone->crt_trip_id = trip_cnt++;
-
- int34x_zone->hot_trip_id = -1;
- if (!int340x_thermal_get_trip_config(int34x_zone->adev->handle, "_HOT",
- &int34x_zone->hot_temp))
- int34x_zone->hot_trip_id = trip_cnt++;
-
- int34x_zone->psv_trip_id = -1;
- if (!int340x_thermal_get_trip_config(int34x_zone->adev->handle, "_PSV",
- &int34x_zone->psv_temp))
- int34x_zone->psv_trip_id = trip_cnt++;
-
- for (i = 0; i < INT340X_THERMAL_MAX_ACT_TRIP_COUNT; i++) {
- char name[5] = { '_', 'A', 'C', '0' + i, '\0' };
-
- if (int340x_thermal_get_trip_config(int34x_zone->adev->handle,
- name,
- &int34x_zone->act_trips[i].temp))
- break;
-
- int34x_zone->act_trips[i].id = trip_cnt++;
- int34x_zone->act_trips[i].valid = true;
- }
-
- return trip_cnt;
-}
-EXPORT_SYMBOL_GPL(int340x_thermal_read_trips);
-
-static struct thermal_zone_params int340x_thermal_params = {
- .governor_name = "user_space",
- .no_hwmon = true,
-};
-
-struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
- struct thermal_zone_device_ops *override_ops)
-{
- struct int34x_thermal_zone *int34x_thermal_zone;
- acpi_status status;
- unsigned long long trip_cnt;
- int trip_mask = 0;
- int ret;
-
- int34x_thermal_zone = kzalloc(sizeof(*int34x_thermal_zone),
- GFP_KERNEL);
- if (!int34x_thermal_zone)
- return ERR_PTR(-ENOMEM);
-
- int34x_thermal_zone->adev = adev;
- int34x_thermal_zone->override_ops = override_ops;
-
- status = acpi_evaluate_integer(adev->handle, "PATC", NULL, &trip_cnt);
- if (ACPI_FAILURE(status))
- trip_cnt = 0;
- else {
- int34x_thermal_zone->aux_trips = kzalloc(
- sizeof(*int34x_thermal_zone->aux_trips) *
- trip_cnt, GFP_KERNEL);
- if (!int34x_thermal_zone->aux_trips) {
- ret = -ENOMEM;
- goto err_trip_alloc;
- }
- trip_mask = BIT(trip_cnt) - 1;
- int34x_thermal_zone->aux_trip_nr = trip_cnt;
- }
-
- trip_cnt = int340x_thermal_read_trips(int34x_thermal_zone);
-
- int34x_thermal_zone->lpat_table = acpi_lpat_get_conversion_table(
- adev->handle);
-
- int34x_thermal_zone->zone = thermal_zone_device_register(
- acpi_device_bid(adev),
- trip_cnt,
- trip_mask, int34x_thermal_zone,
- &int340x_thermal_zone_ops,
- &int340x_thermal_params,
- 0, 0);
- if (IS_ERR(int34x_thermal_zone->zone)) {
- ret = PTR_ERR(int34x_thermal_zone->zone);
- goto err_thermal_zone;
- }
-
- return int34x_thermal_zone;
-
-err_thermal_zone:
- acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
- kfree(int34x_thermal_zone->aux_trips);
-err_trip_alloc:
- kfree(int34x_thermal_zone);
- return ERR_PTR(ret);
-}
-EXPORT_SYMBOL_GPL(int340x_thermal_zone_add);
-
-void int340x_thermal_zone_remove(struct int34x_thermal_zone
- *int34x_thermal_zone)
-{
- thermal_zone_device_unregister(int34x_thermal_zone->zone);
- acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
- kfree(int34x_thermal_zone->aux_trips);
- kfree(int34x_thermal_zone);
-}
-EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);
-
-MODULE_AUTHOR("Aaron Lu <aaron.lu@intel.com>");
-MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
-MODULE_DESCRIPTION("Intel INT340x common thermal zone handler");
-MODULE_LICENSE("GPL v2");