1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * 4 * (C) COPYRIGHT 2012-2017, 2020-2021 ARM Limited. All rights reserved. 5 * 6 * This program is free software and is provided to you under the terms of the 7 * GNU General Public License version 2 as published by the Free Software 8 * Foundation, and any use by you of this program is subject to the terms 9 * of such GNU license. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, you can access it online at 18 * http://www.gnu.org/licenses/gpl-2.0.html. 19 * 20 */ 21 22 /** 23 * DOC: Run-time work-arounds helpers 24 */ 25 26 #ifndef _KBASE_HW_H_ 27 #define _KBASE_HW_H_ 28 29 #include "mali_kbase_defs.h" 30 31 /** 32 * Tell whether a work-around should be enabled 33 * @kbdev: Device pointer 34 * @issue: issue to be checked 35 */ 36 #define kbase_hw_has_issue(kbdev, issue)\ 37 test_bit(issue, &(kbdev)->hw_issues_mask[0]) 38 39 /** 40 * Tell whether a feature is supported 41 * @kbdev: Device pointer 42 * @feature: feature to be checked 43 */ 44 #define kbase_hw_has_feature(kbdev, feature)\ 45 test_bit(feature, &(kbdev)->hw_features_mask[0]) 46 47 /** 48 * kbase_hw_set_issues_mask - Set the hardware issues mask based on the GPU ID 49 * @kbdev: Device pointer 50 * 51 * Return: 0 if the GPU ID was recognized, otherwise -EINVAL. 52 * 53 * The GPU ID is read from the @kbdev. 54 * 55 * In debugging versions of the driver, unknown versions of a known GPU with a 56 * new-format ID will be treated as the most recent known version not later 57 * than the actual version. In such circumstances, the GPU ID in @kbdev will 58 * also be replaced with the most recent known version. 59 * 60 * Note: The GPU configuration must have been read by 61 * kbase_gpuprops_get_props() before calling this function. 62 */ 63 int kbase_hw_set_issues_mask(struct kbase_device *kbdev); 64 65 /** 66 * Set the features mask depending on the GPU ID 67 * @kbdev: Device pointer 68 */ 69 void kbase_hw_set_features_mask(struct kbase_device *kbdev); 70 71 #endif /* _KBASE_HW_H_ */ 72