blob: 6c04a237577c16191805982f71b1504af8094be9 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2012-2017, 2020-2021 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 license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
/**
* DOC: Run-time work-arounds helpers
*/
#ifndef _KBASE_HW_H_
#define _KBASE_HW_H_
#include "mali_kbase_defs.h"
/**
* Tell whether a work-around should be enabled
* @kbdev: Device pointer
* @issue: issue to be checked
*/
#define kbase_hw_has_issue(kbdev, issue)\
test_bit(issue, &(kbdev)->hw_issues_mask[0])
/**
* Tell whether a feature is supported
* @kbdev: Device pointer
* @feature: feature to be checked
*/
#define kbase_hw_has_feature(kbdev, feature)\
test_bit(feature, &(kbdev)->hw_features_mask[0])
/**
* kbase_hw_set_issues_mask - Set the hardware issues mask based on the GPU ID
* @kbdev: Device pointer
*
* Return: 0 if the GPU ID was recognized, otherwise -EINVAL.
*
* The GPU ID is read from the @kbdev.
*
* In debugging versions of the driver, unknown versions of a known GPU with a
* new-format ID will be treated as the most recent known version not later
* than the actual version. In such circumstances, the GPU ID in @kbdev will
* also be replaced with the most recent known version.
*
* Note: The GPU configuration must have been read by
* kbase_gpuprops_get_props() before calling this function.
*/
int kbase_hw_set_issues_mask(struct kbase_device *kbdev);
/**
* Set the features mask depending on the GPU ID
* @kbdev: Device pointer
*/
void kbase_hw_set_features_mask(struct kbase_device *kbdev);
#endif /* _KBASE_HW_H_ */