| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * |
| * (C) COPYRIGHT 2021-2022 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. |
| * |
| */ |
| |
| #ifndef _KBASE_PBHA_H |
| #define _KBASE_PBHA_H |
| |
| #include <mali_kbase.h> |
| |
| /** |
| * kbasep_pbha_supported - check whether PBHA registers are |
| * available |
| * |
| * @kbdev: Device pointer |
| * |
| * Should only be used in mali_kbase_pbha* files - thus the |
| * kbase[p] prefix. |
| * |
| * Return: True if pbha is supported, false otherwise |
| */ |
| bool kbasep_pbha_supported(struct kbase_device *kbdev); |
| |
| /** |
| * kbase_pbha_record_settings - record PBHA settings to be applied when |
| * L2 is powered down |
| * |
| * @kbdev: Device pointer |
| * @runtime: true if it's called at runtime and false if it's called on init. |
| * @id: memory access source ID |
| * @read_setting: Read setting |
| * @write_setting: Write setting |
| * |
| * Return: 0 on success, otherwise error code. |
| */ |
| int kbase_pbha_record_settings(struct kbase_device *kbdev, bool runtime, |
| unsigned int id, unsigned int read_setting, |
| unsigned int write_setting); |
| |
| /** |
| * kbase_pbha_write_settings - write recorded PBHA settings to GPU |
| * registers |
| * |
| * @kbdev: Device pointer |
| * |
| * Only valid to call this function when L2 is powered down, otherwise |
| * this will not affect PBHA settings. |
| */ |
| void kbase_pbha_write_settings(struct kbase_device *kbdev); |
| |
| /** |
| * kbase_pbha_read_dtb - read PBHA settings from DTB and record it to be |
| * applied when L2 is powered down |
| * |
| * @kbdev: Device pointer |
| * |
| * Return: 0 on success, otherwise error code. |
| */ |
| int kbase_pbha_read_dtb(struct kbase_device *kbdev); |
| |
| #endif /* _KBASE_PBHA_H */ |
