| /* |
| * |
| * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. |
| * |
| * This program is free software and is provided to you under the terms of the |
| * GNU General Public License version 2 as published by the Free Software |
| * Foundation, and any use by you of this program is subject to the terms |
| * of such GNU licence. |
| * |
| * A copy of the licence is included with the program, and can also be obtained |
| * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| |
| |
| #ifndef _KBASE_IPA_H_ |
| #define _KBASE_IPA_H_ |
| |
| struct kbase_ipa_model { |
| struct list_head link; |
| struct kbase_device *kbdev; |
| void *model_data; |
| struct kbase_ipa_model_ops *ops; |
| }; |
| |
| struct kbase_ipa_model_ops { |
| char *name; |
| /* The init and term ops on the default model are always called. |
| * However, all the other models are only invoked if the model |
| * is selected in the device tree. Otherwise they are never |
| * initialized. Additional resources can be acquired by models |
| * in init(), however they must be terminated in the term(). |
| */ |
| int (*init)(struct kbase_ipa_model *model); |
| void (*term)(struct kbase_ipa_model *model); |
| /* get_dynamic_power() - return a coefficient with units pW/(Hz V^2), |
| * which is scaled by the IPA framework according to the current OPP's |
| * frequency and voltage. */ |
| unsigned long (*get_dynamic_power)(struct kbase_ipa_model *model); |
| /* get_static_power() - return an estimate of the current static power |
| * consumption, in mW, based on the current OPP's voltage, in mV. */ |
| unsigned long (*get_static_power)(struct kbase_ipa_model *model, |
| unsigned long voltage); |
| unsigned long (*power_to_state)(struct kbase_ipa_model *model, |
| unsigned long power); |
| }; |
| |
| /* Models can be registered only in the platform's platform_init_func call */ |
| int kbase_ipa_model_ops_register(struct kbase_device *kbdev, |
| struct kbase_ipa_model_ops *new_model_ops); |
| |
| int kbase_ipa_model_init(struct kbase_device *kbdev); |
| void kbase_ipa_model_term(struct kbase_device *kbdev); |
| void kbase_ipa_model_use_fallback_locked(struct kbase_device *kbdev); |
| void kbase_ipa_model_use_configured_locked(struct kbase_device *kbdev); |
| |
| extern struct kbase_ipa_model_ops kbase_generic_ipa_model_ops; |
| |
| /** |
| * kbase_ipa_dynamic_power - calculate power |
| * @kbdev: kbase device |
| * @freq: frequency in Hz |
| * @voltage: voltage in mV |
| * |
| * Return: returns power consumption |
| */ |
| unsigned long kbase_ipa_dynamic_power(struct kbase_device *kbdev, |
| unsigned long freq, |
| unsigned long voltage); |
| |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0) |
| extern struct devfreq_cooling_ops power_model_ops; |
| #else |
| extern struct devfreq_cooling_power power_model_ops; |
| #endif |
| |
| #endif |
