diff options
Diffstat (limited to 'driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_ca.h')
-rwxr-xr-x | driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_ca.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_ca.h b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_ca.h new file mode 100755 index 0000000..ee9e751 --- /dev/null +++ b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_ca.h @@ -0,0 +1,92 @@ +/* + * + * (C) COPYRIGHT 2011-2015 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. + * + */ + + + +/* + * Base kernel core availability APIs + */ + +#ifndef _KBASE_PM_CA_H_ +#define _KBASE_PM_CA_H_ + +/** + * kbase_pm_ca_init - Initialize core availability framework + * + * Must be called before calling any other core availability function + * + * @kbdev: The kbase device structure for the device (must be a valid pointer) + * + * Return: 0 if the core availability framework was successfully initialized, + * -errno otherwise + */ +int kbase_pm_ca_init(struct kbase_device *kbdev); + +/** + * kbase_pm_ca_term - Terminate core availability framework + * + * @kbdev: The kbase device structure for the device (must be a valid pointer) + */ +void kbase_pm_ca_term(struct kbase_device *kbdev); + +/** + * kbase_pm_ca_get_core_mask - Get currently available shaders core mask + * + * @kbdev: The kbase device structure for the device (must be a valid pointer) + * + * Returns a mask of the currently available shader cores. + * Calls into the core availability policy + * + * Return: The bit mask of available cores + */ +u64 kbase_pm_ca_get_core_mask(struct kbase_device *kbdev); + +/** + * kbase_pm_ca_update_core_status - Update core status + * + * @kbdev: The kbase device structure for the device (must be + * a valid pointer) + * @cores_ready: The bit mask of cores ready for job submission + * @cores_transitioning: The bit mask of cores that are transitioning power + * state + * + * Update core availability policy with current core power status + * + * Calls into the core availability policy + */ +void kbase_pm_ca_update_core_status(struct kbase_device *kbdev, u64 cores_ready, + u64 cores_transitioning); + +/** + * kbase_pm_ca_instr_enable - Enable override for instrumentation + * + * @kbdev: The kbase device structure for the device (must be a valid pointer) + * + * This overrides the output of the core availability policy, ensuring that all + * cores are available + */ +void kbase_pm_ca_instr_enable(struct kbase_device *kbdev); + +/** + * kbase_pm_ca_instr_disable - Disable override for instrumentation + * + * @kbdev: The kbase device structure for the device (must be a valid pointer) + * + * This disables any previously enabled override, and resumes normal policy + * functionality + */ +void kbase_pm_ca_instr_disable(struct kbase_device *kbdev); + +#endif /* _KBASE_PM_CA_H_ */ |