75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2014-2023 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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* DOC: Base kernel property query backend APIs
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*/
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#ifndef _KBASE_HWACCESS_GPUPROPS_H_
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#define _KBASE_HWACCESS_GPUPROPS_H_
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#include <mali_kbase_gpuprops_private_types.h>
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/**
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* kbase_backend_gpuprops_get() - Fill @regdump with GPU properties read from
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* GPU
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* @kbdev: Device pointer
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* @regdump: Pointer to a zero initialised kbasep_gpuprops_regdump structure
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*
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* The caller should ensure that GPU remains powered-on during this function.
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*
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* Return: Zero for succeess or a Linux error code
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*/
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int kbase_backend_gpuprops_get(struct kbase_device *kbdev, struct kbasep_gpuprops_regdump *regdump);
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/**
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* kbase_backend_gpuprops_get_curr_config() - Fill @curr_config_regdump with
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* relevant GPU properties read from
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* the GPU registers.
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* @kbdev: Device pointer.
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* @curr_config_regdump: Pointer to struct kbase_current_config_regdump
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* structure.
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*
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* The caller should ensure that GPU remains powered-on during this function and
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* the caller must ensure this function returns success before using the values
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* returned in the curr_config_regdump in any part of the kernel.
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*
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* Return: Zero for succeess or a Linux error code
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*/
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int kbase_backend_gpuprops_get_curr_config(
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struct kbase_device *kbdev, struct kbase_current_config_regdump *curr_config_regdump);
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/**
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* kbase_backend_gpuprops_get_l2_features - Fill @regdump with L2_FEATURES read
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* from GPU
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* @kbdev: Device pointer
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* @regdump: Pointer to struct kbase_gpuprops_regdump structure
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*
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* This function reads L2_FEATURES register that is dependent on the hardware
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* features bitmask. It will power-on the GPU if required.
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*
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* Return: Zero on success, Linux error code on failure
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*/
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int kbase_backend_gpuprops_get_l2_features(struct kbase_device *kbdev,
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struct kbasep_gpuprops_regdump *regdump);
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#endif /* _KBASE_HWACCESS_GPUPROPS_H_ */
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