| /*************************************************************************/ /*! |
| @File |
| @Title Power Management Functions |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Main APIs for power management functions |
| @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 POWER_H |
| #define POWER_H |
| |
| #include "img_defs.h" |
| #include "img_types.h" |
| #include "pvrsrv_device.h" |
| #include "pvrsrv_error.h" |
| #include "servicesext.h" |
| #include "opaque_types.h" |
| |
| /*! |
| ***************************************************************************** |
| * Power management |
| *****************************************************************************/ |
| |
| typedef struct _PVRSRV_POWER_DEV_TAG_ PVRSRV_POWER_DEV; |
| |
| typedef IMG_BOOL (*PFN_SYS_DEV_IS_DEFAULT_STATE_OFF)(PVRSRV_POWER_DEV *psPowerDevice); |
| |
| |
| PVRSRV_ERROR PVRSRVPowerLockInit(PPVRSRV_DEVICE_NODE psDeviceNode); |
| void PVRSRVPowerLockDeInit(PPVRSRV_DEVICE_NODE psDeviceNode); |
| |
| PVRSRV_ERROR PVRSRVPowerLock(PPVRSRV_DEVICE_NODE psDeviceNode); |
| void PVRSRVPowerUnlock(PPVRSRV_DEVICE_NODE psDeviceNode); |
| PVRSRV_ERROR PVRSRVPowerTryLock(PPVRSRV_DEVICE_NODE psDeviceNode); |
| |
| IMG_BOOL PVRSRVPwrLockIsLockedByMe(PCPVRSRV_DEVICE_NODE psDeviceNode); |
| IMG_BOOL PVRSRVDeviceIsDefaultStateOFF(PVRSRV_POWER_DEV *psPowerDevice); |
| |
| |
| PVRSRV_ERROR PVRSRVSetDevicePowerStateKM(PPVRSRV_DEVICE_NODE psDeviceNode, |
| PVRSRV_DEV_POWER_STATE eNewPowerState, |
| IMG_BOOL bForced); |
| |
| PVRSRV_ERROR PVRSRVSetDeviceSystemPowerState(PPVRSRV_DEVICE_NODE psDeviceNode, |
| PVRSRV_SYS_POWER_STATE ePVRState); |
| |
| PVRSRV_ERROR PVRSRVSetDeviceDefaultPowerState(PCPVRSRV_DEVICE_NODE psDeviceNode, |
| PVRSRV_DEV_POWER_STATE eNewPowerState); |
| |
| /* Type PFN_DC_REGISTER_POWER */ |
| PVRSRV_ERROR PVRSRVRegisterPowerDevice(PPVRSRV_DEVICE_NODE psDeviceNode, |
| PFN_PRE_POWER pfnDevicePrePower, |
| PFN_POST_POWER pfnDevicePostPower, |
| PFN_SYS_DEV_PRE_POWER pfnSystemPrePower, |
| PFN_SYS_DEV_POST_POWER pfnSystemPostPower, |
| PFN_PRE_CLOCKSPEED_CHANGE pfnPreClockSpeedChange, |
| PFN_POST_CLOCKSPEED_CHANGE pfnPostClockSpeedChange, |
| PFN_FORCED_IDLE_REQUEST pfnForcedIdleRequest, |
| PFN_FORCED_IDLE_CANCEL_REQUEST pfnForcedIdleCancelRequest, |
| PFN_GPU_UNITS_POWER_CHANGE pfnGPUUnitsPowerChange, |
| IMG_HANDLE hDevCookie, |
| PVRSRV_DEV_POWER_STATE eCurrentPowerState, |
| PVRSRV_DEV_POWER_STATE eDefaultPowerState); |
| |
| PVRSRV_ERROR PVRSRVRemovePowerDevice(PPVRSRV_DEVICE_NODE psDeviceNode); |
| |
| PVRSRV_ERROR PVRSRVGetDevicePowerState(PCPVRSRV_DEVICE_NODE psDeviceNode, |
| PPVRSRV_DEV_POWER_STATE pePowerState); |
| |
| IMG_BOOL PVRSRVIsDevicePowered(PPVRSRV_DEVICE_NODE psDeviceNode); |
| |
| PVRSRV_ERROR PVRSRVDevicePreClockSpeedChange(PPVRSRV_DEVICE_NODE psDeviceNode, |
| IMG_BOOL bIdleDevice, |
| void *pvInfo); |
| |
| void PVRSRVDevicePostClockSpeedChange(PPVRSRV_DEVICE_NODE psDeviceNode, |
| IMG_BOOL bIdleDevice, |
| void *pvInfo); |
| |
| PVRSRV_ERROR PVRSRVDeviceIdleRequestKM(PPVRSRV_DEVICE_NODE psDeviceNode, |
| PFN_SYS_DEV_IS_DEFAULT_STATE_OFF pfnCheckIdleReq, |
| IMG_BOOL bDeviceOffPermitted); |
| |
| PVRSRV_ERROR PVRSRVDeviceIdleCancelRequestKM(PPVRSRV_DEVICE_NODE psDeviceNode); |
| |
| PVRSRV_ERROR PVRSRVDeviceGPUUnitsPowerChange(PPVRSRV_DEVICE_NODE psDeviceNode, |
| IMG_UINT32 ui32NewValue); |
| |
| |
| #endif /* POWER_H */ |
| |
| /****************************************************************************** |
| End of file (power.h) |
| ******************************************************************************/ |