63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
/****************************************************************************
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*
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* Copyright 2017 - 2020 Vivante Corporation, Santa Clara, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* 'Software'), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VIVANTE AND/OR ITS SUPPLIERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************/
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#ifndef _VX_VIV_SYS_H_
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#define _VX_VIV_SYS_H_
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#include <VX/vx.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! \brief set clock fscale value to change core and shader frequency.
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* \param [in] coreIndex Global core index to set the specific core clock frequency.
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* If the value is 0xFFFFFFFF, all the cores will be set.
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* \param [in] vipFscaleValue Set core frequency scale size. Value can be 64, 32, 16, 8, 4, 2, 1.
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* 64 means 64/64 full frequency, 1 means 1/64 frequency.
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* \param [in] shaderFscaleValue Set shader frequency scale size. Value can be 64, 32, 16, 8, 4, 2, 1.
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* 64 means 64/64 full frequency, 1 means 1/64 frequency.
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*
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* \return A <tt>\ref vx_status_e</tt> enumeration.
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* \retval VX_SUCCESS No errors;
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* \retval VX_ERROR_INVAID_PARAMETERS Invalid frequency scale values.
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* \retval VX_FAILURE Failed to change core and shader frequency.
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*/
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VX_API_ENTRY vx_status VX_API_CALL vxSysSetVipFrequency(
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vx_uint32 coreIndex,
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vx_uint32 vipFscaleValue,
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vx_uint32 shaderFscaleValue
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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