/*************************************************************************/ /*!
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@File pvr_dvfs.h
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@Title System level interface for DVFS
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#ifndef _PVR_DVFS_H_
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#define _PVR_DVFS_H_
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#if defined(PVR_DVFS)
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#include <linux/devfreq.h>
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#endif
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#include "pvrsrv_error.h"
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#include "img_types.h"
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#include "lock.h"
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typedef void (*PFN_SYS_DEV_DVFS_SET_FREQUENCY)(IMG_UINT32 ui32Freq);
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typedef void (*PFN_SYS_DEV_DVFS_SET_VOLTAGE)(IMG_UINT32 ui32Volt);
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typedef struct _IMG_OPP_
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{
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IMG_UINT32 ui32Volt;
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/*
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* Unit of frequency in Hz.
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*/
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IMG_UINT32 ui32Freq;
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} IMG_OPP;
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typedef struct _IMG_DVFS_DEVICE_CFG_
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{
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const IMG_OPP *pasOPPTable;
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IMG_UINT32 ui32OPPTableSize;
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#if defined(PVR_DVFS)
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IMG_UINT32 ui32PollMs;
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#endif
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IMG_BOOL bIdleReq;
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PFN_SYS_DEV_DVFS_SET_FREQUENCY pfnSetFrequency;
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PFN_SYS_DEV_DVFS_SET_VOLTAGE pfnSetVoltage;
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#if defined(CONFIG_DEVFREQ_THERMAL) && defined(PVR_DVFS)
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struct devfreq_cooling_power *psPowerOps;
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#endif
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} IMG_DVFS_DEVICE_CFG;
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#if defined(PVR_DVFS)
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typedef struct _IMG_DVFS_GOVERNOR_
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{
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IMG_BOOL bEnabled;
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} IMG_DVFS_GOVERNOR;
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typedef struct _IMG_DVFS_GOVERNOR_CFG_
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{
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IMG_UINT32 ui32UpThreshold;
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IMG_UINT32 ui32DownDifferential;
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} IMG_DVFS_GOVERNOR_CFG;
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#endif
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#if defined(__linux__)
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#if defined(PVR_DVFS)
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typedef struct _IMG_DVFS_DEVICE_
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{
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struct dev_pm_opp *psOPP;
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struct devfreq *psDevFreq;
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IMG_BOOL bEnabled;
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IMG_HANDLE hGpuUtilUserDVFS;
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struct devfreq_simple_ondemand_data data;
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#if defined(CONFIG_DEVFREQ_THERMAL)
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struct thermal_cooling_device *psDevfreqCoolingDevice;
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#endif
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} IMG_DVFS_DEVICE;
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#endif
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#if defined(SUPPORT_PDVFS)
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typedef struct _PDVFS_DATA_
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{
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IMG_HANDLE hReactiveTimer;
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IMG_BOOL bWorkInFrame;
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} PDVFS_DATA;
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#endif
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typedef struct _IMG_DVFS_
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{
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#if defined(PVR_DVFS)
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IMG_DVFS_DEVICE sDVFSDevice;
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IMG_DVFS_GOVERNOR sDVFSGovernor;
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IMG_DVFS_GOVERNOR_CFG sDVFSGovernorCfg;
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#endif
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#if defined(SUPPORT_PDVFS)
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PDVFS_DATA sPDVFSData;
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#endif
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IMG_DVFS_DEVICE_CFG sDVFSDeviceCfg;
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} PVRSRV_DVFS;
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#endif/* (__linux__) */
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#endif /* _PVR_DVFS_H_ */
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