| /* |
| * |
| * (C) COPYRIGHT 2014 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 licence. |
| * |
| * 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. |
| * |
| * SPDX-License-Identifier: GPL-2.0 |
| * |
| */ |
| |
| |
| |
| /* |
| * Backend-specific HW access device APIs |
| */ |
| |
| #ifndef _KBASE_DEVICE_INTERNAL_H_ |
| #define _KBASE_DEVICE_INTERNAL_H_ |
| |
| /** |
| * kbase_reg_write - write to GPU register |
| * @kbdev: Kbase device pointer |
| * @offset: Offset of register |
| * @value: Value to write |
| * @kctx: Kbase context pointer. May be NULL |
| * |
| * Caller must ensure the GPU is powered (@kbdev->pm.gpu_powered != false). If |
| * @kctx is not NULL then the caller must ensure it is scheduled (@kctx->as_nr |
| * != KBASEP_AS_NR_INVALID). |
| */ |
| void kbase_reg_write(struct kbase_device *kbdev, u16 offset, u32 value, |
| struct kbase_context *kctx); |
| |
| /** |
| * kbase_reg_read - read from GPU register |
| * @kbdev: Kbase device pointer |
| * @offset: Offset of register |
| * @kctx: Kbase context pointer. May be NULL |
| * |
| * Caller must ensure the GPU is powered (@kbdev->pm.gpu_powered != false). If |
| * @kctx is not NULL then the caller must ensure it is scheduled (@kctx->as_nr |
| * != KBASEP_AS_NR_INVALID). |
| * |
| * Return: Value in desired register |
| */ |
| u32 kbase_reg_read(struct kbase_device *kbdev, u16 offset, |
| struct kbase_context *kctx); |
| |
| |
| /** |
| * kbase_gpu_interrupt - GPU interrupt handler |
| * @kbdev: Kbase device pointer |
| * @val: The value of the GPU IRQ status register which triggered the call |
| * |
| * This function is called from the interrupt handler when a GPU irq is to be |
| * handled. |
| */ |
| void kbase_gpu_interrupt(struct kbase_device *kbdev, u32 val); |
| |
| #endif /* _KBASE_DEVICE_INTERNAL_H_ */ |
