diff options
Diffstat (limited to 'mali_kbase/backend/gpu/mali_kbase_irq_internal.h')
| -rw-r--r-- | mali_kbase/backend/gpu/mali_kbase_irq_internal.h | 74 |
1 files changed, 68 insertions, 6 deletions
diff --git a/mali_kbase/backend/gpu/mali_kbase_irq_internal.h b/mali_kbase/backend/gpu/mali_kbase_irq_internal.h index 66cda8c..4374793 100644 --- a/mali_kbase/backend/gpu/mali_kbase_irq_internal.h +++ b/mali_kbase/backend/gpu/mali_kbase_irq_internal.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * - * (C) COPYRIGHT 2014-2015, 2020-2021 ARM Limited. All rights reserved. + * (C) COPYRIGHT 2014-2023 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 @@ -26,8 +26,29 @@ #ifndef _KBASE_IRQ_INTERNAL_H_ #define _KBASE_IRQ_INTERNAL_H_ +/* GPU IRQ Tags */ +#define JOB_IRQ_TAG 0 +#define MMU_IRQ_TAG 1 +#define GPU_IRQ_TAG 2 + +/** + * kbase_install_interrupts - Install IRQs handlers. + * + * @kbdev: The kbase device + * + * This function must be called once only when a kbase device is initialized. + * + * Return: 0 on success. Error code (negative) on failure. + */ int kbase_install_interrupts(struct kbase_device *kbdev); +/** + * kbase_release_interrupts - Uninstall IRQs handlers. + * + * @kbdev: The kbase device + * + * This function needs to be called when a kbase device is terminated. + */ void kbase_release_interrupts(struct kbase_device *kbdev); /** @@ -37,11 +58,52 @@ void kbase_release_interrupts(struct kbase_device *kbdev); */ void kbase_synchronize_irqs(struct kbase_device *kbdev); -int kbasep_common_test_interrupt_handlers( - struct kbase_device * const kbdev); +#ifdef CONFIG_MALI_DEBUG +#if IS_ENABLED(CONFIG_MALI_REAL_HW) +/** + * kbase_validate_interrupts - Validate interrupts + * + * @kbdev: The kbase device + * + * This function will be called once when a kbase device is initialized + * to check whether interrupt handlers are configured appropriately. + * If interrupt numbers and/or flags defined in the device tree are + * incorrect, then the validation might fail. + * The whold device initialization will fail if it returns error code. + * + * Return: 0 on success. Error code (negative) on failure. + */ +int kbase_validate_interrupts(struct kbase_device *const kbdev); +#endif /* CONFIG_MALI_REAL_HW */ +#endif /* CONFIG_MALI_DEBUG */ + +/** + * kbase_get_interrupt_handler - Return default interrupt handler + * @kbdev: Kbase device + * @irq_tag: Tag to choose the handler + * + * If single interrupt line is used the combined interrupt handler + * will be returned regardless of irq_tag. Otherwise the corresponding + * interrupt handler will be returned. + * + * Return: Interrupt handler corresponding to the tag. NULL on failure. + */ +irq_handler_t kbase_get_interrupt_handler(struct kbase_device *kbdev, u32 irq_tag); -irqreturn_t kbase_gpu_irq_test_handler(int irq, void *data, u32 val); -int kbase_set_custom_irq_handler(struct kbase_device *kbdev, - irq_handler_t custom_handler, int irq_type); +/** + * kbase_set_custom_irq_handler - Set a custom IRQ handler + * + * @kbdev: The kbase device for which the handler is to be registered + * @custom_handler: Handler to be registered + * @irq_tag: Interrupt tag + * + * Register given interrupt handler for requested interrupt tag + * In the case where irq handler is not specified, the default handler shall be + * registered + * + * Return: 0 case success, error code otherwise + */ +int kbase_set_custom_irq_handler(struct kbase_device *kbdev, irq_handler_t custom_handler, + u32 irq_tag); #endif /* _KBASE_IRQ_INTERNAL_H_ */ |