| /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #ifndef __CPUCORE_COOLING_H__ |
| #define __CPUCORE_COOLING_H__ |
| |
| #include <linux/thermal.h> |
| #include <linux/cpumask.h> |
| |
| enum hotplug_mode { |
| CPU_PLUG, |
| CPU_UNPLUG, |
| CPU_MODE_MAX |
| }; |
| |
| /*cpunum: cpu number which coolingdevice can plug&unplug most. |
| *cluster_num: clusters which coolingdevice can work on. |
| *cluster_core_num: number of cores which coolingdevice can plug&unplug. |
| *online: cpumask of coolingdevice can unplug, set when plug, clear when unplug. |
| *offline: cpumask of coolingdevice can plug back, set when unplug, clear when plug. |
| *hotstep: cpu number which need to offline for current temperature:0-->trip~trip+hyst, |
| *1-->trip+hyst~trip+2*hyst,2-->trip+2*hyst~trip+3*hyst...... |
| *setstep: step last set. |
| */ |
| struct cpucore_cooling_device { |
| int cpunum; |
| int cluster_num; |
| int *cluster_core_num; |
| cpumask_var_t *online; |
| cpumask_var_t *offline; |
| struct thermal_cooling_device *cool_dev; |
| int hotstep; |
| int setstep; |
| }; |
| |
| struct thermal_cooling_device *cpucore_cooling_register(struct device_node *np, |
| struct device_node *child); |
| |
| void cpucore_cooling_unregister(struct thermal_cooling_device *cdev); |
| #endif /* __CPU_COOLING_H__ */ |
