/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2019-2022 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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* Model Linux Framework interfaces.
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*
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* This framework is used to provide generic Kbase Models interfaces.
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* Note: Backends cannot be used together; the selection is done at build time.
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*
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* - Without Model Linux Framework:
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* +-----------------------------+
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* | Kbase read/write/IRQ |
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* +-----------------------------+
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* | HW interface definitions |
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* +-----------------------------+
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*
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* - With Model Linux Framework:
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* +-----------------------------+
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* | Kbase read/write/IRQ |
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* +-----------------------------+
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* | Model Linux Framework |
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* +-----------------------------+
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* | Model interface definitions |
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* +-----------------------------+
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*/
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#ifndef _KBASE_MODEL_LINUX_H_
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#define _KBASE_MODEL_LINUX_H_
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/*
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* Include Model definitions
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*/
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#if IS_ENABLED(CONFIG_MALI_BIFROST_NO_MALI)
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#include <backend/gpu/mali_kbase_model_dummy.h>
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#endif /* IS_ENABLED(CONFIG_MALI_BIFROST_NO_MALI) */
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#if !IS_ENABLED(CONFIG_MALI_REAL_HW)
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/**
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* kbase_gpu_device_create() - Generic create function.
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*
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* @kbdev: Kbase device.
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*
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* Specific model hook is implemented by midgard_model_create()
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*
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* Return: 0 on success, error code otherwise.
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*/
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int kbase_gpu_device_create(struct kbase_device *kbdev);
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/**
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* kbase_gpu_device_destroy() - Generic create function.
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*
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* @kbdev: Kbase device.
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*
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* Specific model hook is implemented by midgard_model_destroy()
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*/
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void kbase_gpu_device_destroy(struct kbase_device *kbdev);
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/**
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* midgard_model_create() - Private create function.
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*
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* @kbdev: Kbase device.
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*
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* This hook is specific to the model built in Kbase.
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*
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* Return: Model handle.
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*/
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void *midgard_model_create(struct kbase_device *kbdev);
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/**
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* midgard_model_destroy() - Private destroy function.
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*
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* @h: Model handle.
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*
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* This hook is specific to the model built in Kbase.
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*/
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void midgard_model_destroy(void *h);
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/**
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* midgard_model_write_reg() - Private model write function.
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*
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* @h: Model handle.
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* @addr: Address at which to write.
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* @value: value to write.
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*
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* This hook is specific to the model built in Kbase.
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*/
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void midgard_model_write_reg(void *h, u32 addr, u32 value);
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/**
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* midgard_model_read_reg() - Private model read function.
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*
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* @h: Model handle.
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* @addr: Address from which to read.
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* @value: Pointer where to store the read value.
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*
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* This hook is specific to the model built in Kbase.
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*/
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void midgard_model_read_reg(void *h, u32 addr, u32 *const value);
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/**
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* gpu_device_raise_irq() - Private IRQ raise function.
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*
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* @model: Model handle.
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* @irq: IRQ type to raise.
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*
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* This hook is global to the model Linux framework.
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*/
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void gpu_device_raise_irq(void *model, u32 irq);
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/**
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* gpu_device_set_data() - Private model set data function.
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*
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* @model: Model handle.
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* @data: Data carried by model.
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*
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* This hook is global to the model Linux framework.
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*/
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void gpu_device_set_data(void *model, void *data);
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/**
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* gpu_device_get_data() - Private model get data function.
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*
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* @model: Model handle.
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*
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* This hook is global to the model Linux framework.
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*
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* Return: Pointer to the data carried by model.
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*/
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void *gpu_device_get_data(void *model);
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#endif /* !IS_ENABLED(CONFIG_MALI_REAL_HW) */
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#endif /* _KBASE_MODEL_LINUX_H_ */
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