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