| /*************************************************************************/ /*! |
| @File rgxsignals.c |
| @Title RGX Signals routines |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description RGX Signals routines |
| @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 |
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| |
| #include "rgxsignals.h" |
| |
| #include "rgxmem.h" |
| #include "rgx_fwif_km.h" |
| #include "mmu_common.h" |
| #include "devicemem.h" |
| #include "rgxfwutils.h" |
| |
| |
| IMG_EXPORT |
| PVRSRV_ERROR PVRSRVRGXNotifySignalUpdateKM(CONNECTION_DATA *psConnection, |
| PVRSRV_DEVICE_NODE *psDeviceNode, |
| IMG_HANDLE hMemCtxPrivData, |
| IMG_DEV_VIRTADDR sDevSignalAddress) |
| { |
| DEVMEM_MEMDESC *psFWMemContextMemDesc; |
| RGXFWIF_KCCB_CMD sKCCBCmd; |
| PVRSRV_ERROR eError; |
| |
| PVR_UNREFERENCED_PARAMETER(psConnection); |
| |
| psFWMemContextMemDesc = RGXGetFWMemDescFromMemoryContextHandle(hMemCtxPrivData); |
| |
| /* Schedule the firmware command */ |
| sKCCBCmd.eCmdType = RGXFWIF_KCCB_CMD_NOTIFY_SIGNAL_UPDATE; |
| sKCCBCmd.uCmdData.sSignalUpdateData.sDevSignalAddress = sDevSignalAddress; |
| RGXSetFirmwareAddress(&sKCCBCmd.uCmdData.sSignalUpdateData.psFWMemContext, |
| psFWMemContextMemDesc, |
| 0, RFW_FWADDR_NOREF_FLAG); |
| |
| LOOP_UNTIL_TIMEOUT(MAX_HW_TIME_US) |
| { |
| eError = RGXScheduleCommand((PVRSRV_RGXDEV_INFO *)psDeviceNode->pvDevice, |
| RGXFWIF_DM_GP, |
| &sKCCBCmd, |
| sizeof(sKCCBCmd), |
| 0, |
| PDUMP_FLAGS_NONE); |
| if (eError != PVRSRV_ERROR_RETRY) |
| { |
| break; |
| } |
| OSWaitus(MAX_HW_TIME_US/WAIT_TRY_COUNT); |
| } END_LOOP_UNTIL_TIMEOUT(); |
| |
| if (eError != PVRSRV_OK) |
| { |
| PVR_DPF((PVR_DBG_ERROR,"PVRSRVRGXNotifySignalUpdateKM: Failed to schedule the FW command %d (%s)", |
| eError, PVRSRVGETERRORSTRING(eError))); |
| } |
| |
| return eError; |
| } |