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