/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2014-2018, 2020-2022 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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/*
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* Register-based HW access backend specific APIs
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*/
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#ifndef _KBASE_HWACCESS_GPU_H_
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#define _KBASE_HWACCESS_GPU_H_
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#include <backend/gpu/mali_kbase_pm_internal.h>
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/**
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* kbase_gpu_irq_evict - Evict an atom from a NEXT slot
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*
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* @kbdev: Device pointer
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* @js: Job slot to evict from
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* @completion_code: Event code from job that was run.
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*
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* Evict the atom in the NEXT slot for the specified job slot. This function is
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* called from the job complete IRQ handler when the previous job has failed.
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*
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* Return: true if job evicted from NEXT registers, false otherwise
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*/
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bool kbase_gpu_irq_evict(struct kbase_device *kbdev, unsigned int js, u32 completion_code);
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/**
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* kbase_gpu_complete_hw - Complete an atom on job slot js
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*
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* @kbdev: Device pointer
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* @js: Job slot that has completed
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* @completion_code: Event code from job that has completed
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* @job_tail: The tail address from the hardware if the job has partially
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* completed
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* @end_timestamp: Time of completion
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*/
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void kbase_gpu_complete_hw(struct kbase_device *kbdev, unsigned int js, u32 completion_code,
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u64 job_tail, ktime_t *end_timestamp);
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/**
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* kbase_gpu_inspect - Inspect the contents of the HW access ringbuffer
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*
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* @kbdev: Device pointer
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* @js: Job slot to inspect
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* @idx: Index into ringbuffer. 0 is the job currently running on
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* the slot, 1 is the job waiting, all other values are invalid.
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* Return: The atom at that position in the ringbuffer
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* or NULL if no atom present
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*/
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struct kbase_jd_atom *kbase_gpu_inspect(struct kbase_device *kbdev, unsigned int js, int idx);
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/**
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* kbase_gpu_dump_slots - Print the contents of the slot ringbuffers
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*
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* @kbdev: Device pointer
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*/
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void kbase_gpu_dump_slots(struct kbase_device *kbdev);
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#endif /* _KBASE_HWACCESS_GPU_H_ */
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