| /* |
| * Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that 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. |
| */ |
| |
| #ifndef _GOVERNOR_CACHE_HWMON_H |
| #define _GOVERNOR_CACHE_HWMON_H |
| |
| #include <linux/kernel.h> |
| #include <linux/devfreq.h> |
| |
| struct mrps_stats { |
| unsigned long high; |
| unsigned long med; |
| unsigned long low; |
| unsigned int busy_percent; |
| }; |
| |
| struct cache_hwmon { |
| int (*start_hwmon)(struct devfreq *df, struct mrps_stats *mrps); |
| void (*stop_hwmon)(struct devfreq *df); |
| bool (*is_valid_irq)(struct devfreq *df); |
| unsigned long (*meas_mrps_and_set_irq)(struct devfreq *df, |
| unsigned int tol, unsigned int us, |
| struct mrps_stats *mrps); |
| int irq; |
| }; |
| |
| #ifdef CONFIG_DEVFREQ_GOV_MSM_CACHE_HWMON |
| int register_cache_hwmon(struct cache_hwmon *hwmon); |
| #else |
| static inline int register_cache_hwmon(struct cache_hwmon *hwmon) |
| { |
| return 0; |
| } |
| #endif |
| |
| #endif /* _GOVERNOR_CACHE_HWMON_H */ |
