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/*
*
* (C) COPYRIGHT 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
*
*//* SPDX-License-Identifier: GPL-2.0 */
/*
*
* (C) COPYRIGHT 2011-2015, 2017, 2019-2020 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.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
/**
* @file mali_kbase_gpuprops.h
* Base kernel property query APIs
*/
#ifndef _KBASE_GPUPROPS_H_
#define _KBASE_GPUPROPS_H_
#include "mali_kbase_gpuprops_types.h"
/* Forward definition - see mali_kbase.h */
struct kbase_device;
/**
* KBASE_UBFX32 - Extracts bits from a 32-bit bitfield.
* @value: The value from which to extract bits.
* @offset: The first bit to extract (0 being the LSB).
* @size: The number of bits to extract.
*
* Context: @offset + @size <= 32.
*
* Return: Bits [@offset, @offset + @size) from @value.
*/
/* from mali_cdsb.h */
#define KBASE_UBFX32(value, offset, size) \
(((u32)(value) >> (u32)(offset)) & (u32)((1ULL << (u32)(size)) - 1))
/**
* @brief Set up Kbase GPU properties.
*
* Set up Kbase GPU properties with information from the GPU registers
*
* @param kbdev The struct kbase_device structure for the device
*/
void kbase_gpuprops_set(struct kbase_device *kbdev);
/**
* kbase_gpuprops_set_features - Set up Kbase GPU properties
* @kbdev: Device pointer
*
* This function sets up GPU properties that are dependent on the hardware
* features bitmask. This function must be preceeded by a call to
* kbase_hw_set_features_mask().
*
* Return: Zero on success, Linux error code on failure
*/
int kbase_gpuprops_set_features(struct kbase_device *kbdev);
/**
* kbase_gpuprops_update_l2_features - Update GPU property of L2_FEATURES
* @kbdev: Device pointer
*
* This function updates l2_features and the log2 cache size.
*
* Return: Zero on success, Linux error code for failure
*/
int kbase_gpuprops_update_l2_features(struct kbase_device *kbdev);
/**
* kbase_gpuprops_populate_user_buffer - Populate the GPU properties buffer
* @kbdev: The kbase device
*
* Fills prop_buffer with the GPU properties for user space to read.
*/
int kbase_gpuprops_populate_user_buffer(struct kbase_device *kbdev);
/**
* kbase_gpuprops_free_user_buffer - Free the GPU properties buffer.
* @kbdev: kbase device pointer
*
* Free the GPU properties buffer allocated from
* kbase_gpuprops_populate_user_buffer.
*/
void kbase_gpuprops_free_user_buffer(struct kbase_device *kbdev);
/**
* kbase_device_populate_max_freq - Populate max gpu frequency.
* @kbdev: kbase device pointer
*
* Populate the maximum gpu frequency to be used when devfreq is disabled.
*
* Return: 0 on success and non-zero value on failure.
*/
int kbase_device_populate_max_freq(struct kbase_device *kbdev);
/**
* kbase_gpuprops_update_core_props_gpu_id - break down gpu id value
* @gpu_props: the &base_gpu_props structure
*
* Break down gpu_id value stored in base_gpu_props::raw_props.gpu_id into
* separate fields (version_status, minor_revision, major_revision, product_id)
* stored in base_gpu_props::core_props.
*/
void kbase_gpuprops_update_core_props_gpu_id(
struct base_gpu_props * const gpu_props);
#endif /* _KBASE_GPUPROPS_H_ */
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