diff options
Diffstat (limited to 'drivers/staging/cdv/pvr/services4/srvkm/common/deviceclass.c')
| -rw-r--r-- | drivers/staging/cdv/pvr/services4/srvkm/common/deviceclass.c | 2013 |
1 files changed, 2013 insertions, 0 deletions
diff --git a/drivers/staging/cdv/pvr/services4/srvkm/common/deviceclass.c b/drivers/staging/cdv/pvr/services4/srvkm/common/deviceclass.c new file mode 100644 index 000000000000..13bfa8d6bc72 --- /dev/null +++ b/drivers/staging/cdv/pvr/services4/srvkm/common/deviceclass.c @@ -0,0 +1,2013 @@ +/********************************************************************** + * + * Copyright (C) Imagination Technologies Ltd. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful but, except + * as otherwise stated in writing, without any warranty; without even the + * implied warranty of merchantability or fitness for a particular purpose. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * Imagination Technologies Ltd. <gpl-support@imgtec.com> + * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK + * + ******************************************************************************/ + +#include "services_headers.h" +#include "buffer_manager.h" +#include "kernelbuffer.h" +#include "kerneldisplay.h" +#include "pvr_bridge_km.h" +#include "pdump_km.h" +#include "deviceid.h" + +#include "lists.h" + +PVRSRV_ERROR AllocateDeviceID(SYS_DATA *psSysData, IMG_UINT32 *pui32DevID); +PVRSRV_ERROR FreeDeviceID(SYS_DATA *psSysData, IMG_UINT32 ui32DevID); + +#if defined(SUPPORT_MISR_IN_THREAD) +void OSVSyncMISR(IMG_HANDLE, IMG_BOOL); +#endif + +#if defined(SUPPORT_CUSTOM_SWAP_OPERATIONS) +IMG_VOID PVRSRVFreeCommandCompletePacketKM(IMG_HANDLE hCmdCookie, + IMG_BOOL bScheduleMISR); +#endif +typedef struct PVRSRV_DC_SRV2DISP_KMJTABLE_TAG *PPVRSRV_DC_SRV2DISP_KMJTABLE; + +typedef struct PVRSRV_DC_BUFFER_TAG +{ + + PVRSRV_DEVICECLASS_BUFFER sDeviceClassBuffer; + + struct PVRSRV_DISPLAYCLASS_INFO_TAG *psDCInfo; + struct PVRSRV_DC_SWAPCHAIN_TAG *psSwapChain; +} PVRSRV_DC_BUFFER; + +typedef struct PVRSRV_DC_SWAPCHAIN_TAG +{ + IMG_HANDLE hExtSwapChain; + IMG_UINT32 ui32SwapChainID; + IMG_UINT32 ui32RefCount; + IMG_UINT32 ui32Flags; + PVRSRV_QUEUE_INFO *psQueue; + PVRSRV_DC_BUFFER asBuffer[PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS]; + IMG_UINT32 ui32BufferCount; + PVRSRV_DC_BUFFER *psLastFlipBuffer; + IMG_UINT32 ui32MinSwapInterval; + IMG_UINT32 ui32MaxSwapInterval; + struct PVRSRV_DISPLAYCLASS_INFO_TAG *psDCInfo; + struct PVRSRV_DC_SWAPCHAIN_TAG *psNext; +} PVRSRV_DC_SWAPCHAIN; + + +typedef struct PVRSRV_DC_SWAPCHAIN_REF_TAG +{ + struct PVRSRV_DC_SWAPCHAIN_TAG *psSwapChain; + IMG_HANDLE hResItem; +} PVRSRV_DC_SWAPCHAIN_REF; + + +typedef struct PVRSRV_DISPLAYCLASS_INFO_TAG +{ + IMG_UINT32 ui32RefCount; + IMG_UINT32 ui32DeviceID; + IMG_HANDLE hExtDevice; + PPVRSRV_DC_SRV2DISP_KMJTABLE psFuncTable; + IMG_HANDLE hDevMemContext; + PVRSRV_DC_BUFFER sSystemBuffer; + struct PVRSRV_DC_SWAPCHAIN_TAG *psDCSwapChainShared; +} PVRSRV_DISPLAYCLASS_INFO; + + +typedef struct PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO_TAG +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PRESMAN_ITEM hResItem; +} PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO; + + +typedef struct PVRSRV_BC_SRV2BUFFER_KMJTABLE_TAG *PPVRSRV_BC_SRV2BUFFER_KMJTABLE; + +typedef struct PVRSRV_BC_BUFFER_TAG +{ + + PVRSRV_DEVICECLASS_BUFFER sDeviceClassBuffer; + + struct PVRSRV_BUFFERCLASS_INFO_TAG *psBCInfo; +} PVRSRV_BC_BUFFER; + + +typedef struct PVRSRV_BUFFERCLASS_INFO_TAG +{ + IMG_UINT32 ui32RefCount; + IMG_UINT32 ui32DeviceID; + IMG_HANDLE hExtDevice; + PPVRSRV_BC_SRV2BUFFER_KMJTABLE psFuncTable; + IMG_HANDLE hDevMemContext; + + IMG_UINT32 ui32BufferCount; + PVRSRV_BC_BUFFER *psBuffer; + +} PVRSRV_BUFFERCLASS_INFO; + + +typedef struct PVRSRV_BUFFERCLASS_PERCONTEXT_INFO_TAG +{ + PVRSRV_BUFFERCLASS_INFO *psBCInfo; + IMG_HANDLE hResItem; +} PVRSRV_BUFFERCLASS_PERCONTEXT_INFO; + + +static PVRSRV_DISPLAYCLASS_INFO* DCDeviceHandleToDCInfo (IMG_HANDLE hDeviceKM) +{ + PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *psDCPerContextInfo; + + psDCPerContextInfo = (PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *)hDeviceKM; + + return psDCPerContextInfo->psDCInfo; +} + + +static PVRSRV_BUFFERCLASS_INFO* BCDeviceHandleToBCInfo (IMG_HANDLE hDeviceKM) +{ + PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *psBCPerContextInfo; + + psBCPerContextInfo = (PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *)hDeviceKM; + + return psBCPerContextInfo->psBCInfo; +} + +static IMG_VOID PVRSRVEnumerateDCKM_ForEachVaCb(PVRSRV_DEVICE_NODE *psDeviceNode, va_list va) +{ + IMG_UINT *pui32DevCount; + IMG_UINT32 **ppui32DevID; + PVRSRV_DEVICE_CLASS peDeviceClass; + + pui32DevCount = va_arg(va, IMG_UINT*); + ppui32DevID = va_arg(va, IMG_UINT32**); + peDeviceClass = va_arg(va, PVRSRV_DEVICE_CLASS); + + if ((psDeviceNode->sDevId.eDeviceClass == peDeviceClass) + && (psDeviceNode->sDevId.eDeviceType == PVRSRV_DEVICE_TYPE_EXT)) + { + (*pui32DevCount)++; + if(*ppui32DevID) + { + *(*ppui32DevID)++ = psDeviceNode->sDevId.ui32DeviceIndex; + } + } +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVEnumerateDCKM (PVRSRV_DEVICE_CLASS DeviceClass, + IMG_UINT32 *pui32DevCount, + IMG_UINT32 *pui32DevID ) +{ + + IMG_UINT ui32DevCount = 0; + SYS_DATA *psSysData; + + SysAcquireData(&psSysData); + + + List_PVRSRV_DEVICE_NODE_ForEach_va(psSysData->psDeviceNodeList, + &PVRSRVEnumerateDCKM_ForEachVaCb, + &ui32DevCount, + &pui32DevID, + DeviceClass); + + if(pui32DevCount) + { + *pui32DevCount = ui32DevCount; + } + else if(pui32DevID == IMG_NULL) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVEnumerateDCKM: Invalid parameters")); + return (PVRSRV_ERROR_INVALID_PARAMS); + } + + return PVRSRV_OK; +} + + +static +PVRSRV_ERROR PVRSRVRegisterDCDeviceKM (PVRSRV_DC_SRV2DISP_KMJTABLE *psFuncTable, + IMG_UINT32 *pui32DeviceID) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo = IMG_NULL; + PVRSRV_DEVICE_NODE *psDeviceNode; + SYS_DATA *psSysData; + + + + + + + + + + + + + + + + + SysAcquireData(&psSysData); + + + + + + if(OSAllocMem( PVRSRV_OS_PAGEABLE_HEAP, + sizeof(*psDCInfo), + (IMG_VOID **)&psDCInfo, IMG_NULL, + "Display Class Info") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterDCDeviceKM: Failed psDCInfo alloc")); + return PVRSRV_ERROR_OUT_OF_MEMORY; + } + OSMemSet (psDCInfo, 0, sizeof(*psDCInfo)); + + + if(OSAllocMem( PVRSRV_OS_PAGEABLE_HEAP, + sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE), + (IMG_VOID **)&psDCInfo->psFuncTable, IMG_NULL, + "Function table for SRVKM->DISPLAY") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterDCDeviceKM: Failed psFuncTable alloc")); + goto ErrorExit; + } + OSMemSet (psDCInfo->psFuncTable, 0, sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE)); + + + *psDCInfo->psFuncTable = *psFuncTable; + + + if(OSAllocMem( PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_DEVICE_NODE), + (IMG_VOID **)&psDeviceNode, IMG_NULL, + "Device Node") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterDCDeviceKM: Failed psDeviceNode alloc")); + goto ErrorExit; + } + OSMemSet (psDeviceNode, 0, sizeof(PVRSRV_DEVICE_NODE)); + + psDeviceNode->pvDevice = (IMG_VOID*)psDCInfo; + psDeviceNode->ui32pvDeviceSize = sizeof(*psDCInfo); + psDeviceNode->ui32RefCount = 1; + psDeviceNode->sDevId.eDeviceType = PVRSRV_DEVICE_TYPE_EXT; + psDeviceNode->sDevId.eDeviceClass = PVRSRV_DEVICE_CLASS_DISPLAY; + psDeviceNode->psSysData = psSysData; + + + if (AllocateDeviceID(psSysData, &psDeviceNode->sDevId.ui32DeviceIndex) != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterBCDeviceKM: Failed to allocate Device ID")); + goto ErrorExit; + } + psDCInfo->ui32DeviceID = psDeviceNode->sDevId.ui32DeviceIndex; + if (pui32DeviceID) + { + *pui32DeviceID = psDeviceNode->sDevId.ui32DeviceIndex; + } + + + SysRegisterExternalDevice(psDeviceNode); + + + List_PVRSRV_DEVICE_NODE_Insert(&psSysData->psDeviceNodeList, psDeviceNode); + + return PVRSRV_OK; + +ErrorExit: + + if(psDCInfo->psFuncTable) + { + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE), psDCInfo->psFuncTable, IMG_NULL); + psDCInfo->psFuncTable = IMG_NULL; + } + + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DISPLAYCLASS_INFO), psDCInfo, IMG_NULL); + + + return PVRSRV_ERROR_OUT_OF_MEMORY; +} + +static PVRSRV_ERROR PVRSRVRemoveDCDeviceKM(IMG_UINT32 ui32DevIndex) +{ + SYS_DATA *psSysData; + PVRSRV_DEVICE_NODE *psDeviceNode; + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + + SysAcquireData(&psSysData); + + + psDeviceNode = (PVRSRV_DEVICE_NODE*) + List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList, + &MatchDeviceKM_AnyVaCb, + ui32DevIndex, + IMG_FALSE, + PVRSRV_DEVICE_CLASS_DISPLAY); + if (!psDeviceNode) + { + + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRemoveDCDeviceKM: requested device %d not present", ui32DevIndex)); + return PVRSRV_ERROR_NO_DEVICENODE_FOUND; + } + + + psDCInfo = (PVRSRV_DISPLAYCLASS_INFO*)psDeviceNode->pvDevice; + + + + + if(psDCInfo->ui32RefCount == 0) + { + + + List_PVRSRV_DEVICE_NODE_Remove(psDeviceNode); + + + SysRemoveExternalDevice(psDeviceNode); + + + + + PVR_ASSERT(psDCInfo->ui32RefCount == 0); + (IMG_VOID)FreeDeviceID(psSysData, ui32DevIndex); + (IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE), psDCInfo->psFuncTable, IMG_NULL); + psDCInfo->psFuncTable = IMG_NULL; + (IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DISPLAYCLASS_INFO), psDCInfo, IMG_NULL); + + (IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DEVICE_NODE), psDeviceNode, IMG_NULL); + + } + else + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRemoveDCDeviceKM: failed as %d Services DC API connections are still open", psDCInfo->ui32RefCount)); + return PVRSRV_ERROR_UNABLE_TO_REMOVE_DEVICE; + } + + return PVRSRV_OK; +} + + +static +PVRSRV_ERROR PVRSRVRegisterBCDeviceKM (PVRSRV_BC_SRV2BUFFER_KMJTABLE *psFuncTable, + IMG_UINT32 *pui32DeviceID) +{ + PVRSRV_BUFFERCLASS_INFO *psBCInfo = IMG_NULL; + PVRSRV_DEVICE_NODE *psDeviceNode; + SYS_DATA *psSysData; + + + + + + + + + + + + + + + SysAcquireData(&psSysData); + + + + + + if(OSAllocMem( PVRSRV_OS_PAGEABLE_HEAP, + sizeof(*psBCInfo), + (IMG_VOID **)&psBCInfo, IMG_NULL, + "Buffer Class Info") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterBCDeviceKM: Failed psBCInfo alloc")); + return PVRSRV_ERROR_OUT_OF_MEMORY; + } + OSMemSet (psBCInfo, 0, sizeof(*psBCInfo)); + + + if(OSAllocMem( PVRSRV_OS_PAGEABLE_HEAP, + sizeof(PVRSRV_BC_SRV2BUFFER_KMJTABLE), + (IMG_VOID **)&psBCInfo->psFuncTable, IMG_NULL, + "Function table for SRVKM->BUFFER") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterBCDeviceKM: Failed psFuncTable alloc")); + goto ErrorExit; + } + OSMemSet (psBCInfo->psFuncTable, 0, sizeof(PVRSRV_BC_SRV2BUFFER_KMJTABLE)); + + + *psBCInfo->psFuncTable = *psFuncTable; + + + if(OSAllocMem( PVRSRV_OS_NON_PAGEABLE_HEAP, + sizeof(PVRSRV_DEVICE_NODE), + (IMG_VOID **)&psDeviceNode, IMG_NULL, + "Device Node") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterBCDeviceKM: Failed psDeviceNode alloc")); + goto ErrorExit; + } + OSMemSet (psDeviceNode, 0, sizeof(PVRSRV_DEVICE_NODE)); + + psDeviceNode->pvDevice = (IMG_VOID*)psBCInfo; + psDeviceNode->ui32pvDeviceSize = sizeof(*psBCInfo); + psDeviceNode->ui32RefCount = 1; + psDeviceNode->sDevId.eDeviceType = PVRSRV_DEVICE_TYPE_EXT; + psDeviceNode->sDevId.eDeviceClass = PVRSRV_DEVICE_CLASS_BUFFER; + psDeviceNode->psSysData = psSysData; + + + if (AllocateDeviceID(psSysData, &psDeviceNode->sDevId.ui32DeviceIndex) != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterBCDeviceKM: Failed to allocate Device ID")); + goto ErrorExit; + } + psBCInfo->ui32DeviceID = psDeviceNode->sDevId.ui32DeviceIndex; + if (pui32DeviceID) + { + *pui32DeviceID = psDeviceNode->sDevId.ui32DeviceIndex; + } + + + List_PVRSRV_DEVICE_NODE_Insert(&psSysData->psDeviceNodeList, psDeviceNode); + + return PVRSRV_OK; + +ErrorExit: + + if(psBCInfo->psFuncTable) + { + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PPVRSRV_BC_SRV2BUFFER_KMJTABLE), psBCInfo->psFuncTable, IMG_NULL); + psBCInfo->psFuncTable = IMG_NULL; + } + + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_BUFFERCLASS_INFO), psBCInfo, IMG_NULL); + + + return PVRSRV_ERROR_OUT_OF_MEMORY; +} + + +static PVRSRV_ERROR PVRSRVRemoveBCDeviceKM(IMG_UINT32 ui32DevIndex) +{ + SYS_DATA *psSysData; + PVRSRV_DEVICE_NODE *psDevNode; + PVRSRV_BUFFERCLASS_INFO *psBCInfo; + + SysAcquireData(&psSysData); + + + psDevNode = (PVRSRV_DEVICE_NODE*) + List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList, + &MatchDeviceKM_AnyVaCb, + ui32DevIndex, + IMG_FALSE, + PVRSRV_DEVICE_CLASS_BUFFER); + + if (!psDevNode) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRemoveBCDeviceKM: requested device %d not present", ui32DevIndex)); + return PVRSRV_ERROR_NO_DEVICENODE_FOUND; + } + + + + psBCInfo = (PVRSRV_BUFFERCLASS_INFO*)psDevNode->pvDevice; + + + + + if(psBCInfo->ui32RefCount == 0) + { + + + List_PVRSRV_DEVICE_NODE_Remove(psDevNode); + + + + + (IMG_VOID)FreeDeviceID(psSysData, ui32DevIndex); + + + (IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_BC_SRV2BUFFER_KMJTABLE), psBCInfo->psFuncTable, IMG_NULL); + psBCInfo->psFuncTable = IMG_NULL; + (IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_BUFFERCLASS_INFO), psBCInfo, IMG_NULL); + + (IMG_VOID)OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DEVICE_NODE), psDevNode, IMG_NULL); + + } + else + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRemoveBCDeviceKM: failed as %d Services BC API connections are still open", psBCInfo->ui32RefCount)); + return PVRSRV_ERROR_UNABLE_TO_REMOVE_DEVICE; + } + + return PVRSRV_OK; +} + + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVCloseDCDeviceKM (IMG_HANDLE hDeviceKM, + IMG_BOOL bResManCallback) +{ + PVRSRV_ERROR eError; + PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *psDCPerContextInfo; + + PVR_UNREFERENCED_PARAMETER(bResManCallback); + + psDCPerContextInfo = (PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *)hDeviceKM; + + + eError = ResManFreeResByPtr(psDCPerContextInfo->hResItem, CLEANUP_WITH_POLL); + + return eError; +} + + +static PVRSRV_ERROR CloseDCDeviceCallBack(IMG_PVOID pvParam, + IMG_UINT32 ui32Param, + IMG_BOOL bDummy) +{ + PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *psDCPerContextInfo; + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + + PVR_UNREFERENCED_PARAMETER(ui32Param); + PVR_UNREFERENCED_PARAMETER(bDummy); + + psDCPerContextInfo = (PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *)pvParam; + psDCInfo = psDCPerContextInfo->psDCInfo; + + if(psDCInfo->sSystemBuffer.sDeviceClassBuffer.ui32MemMapRefCount != 0) + { + PVR_DPF((PVR_DBG_ERROR,"CloseDCDeviceCallBack: system buffer (0x%p) still mapped (refcount = %d)", + &psDCInfo->sSystemBuffer.sDeviceClassBuffer, + psDCInfo->sSystemBuffer.sDeviceClassBuffer.ui32MemMapRefCount)); + +#if 0 + + return PVRSRV_ERROR_STILL_MAPPED; +#endif + } + + psDCInfo->ui32RefCount--; + if(psDCInfo->ui32RefCount == 0) + { + + psDCInfo->psFuncTable->pfnCloseDCDevice(psDCInfo->hExtDevice); + + if (--psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount == 0) + { + PVRSRVFreeSyncInfoKM(psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo); + } + + psDCInfo->hDevMemContext = IMG_NULL; + psDCInfo->hExtDevice = IMG_NULL; + } + + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO), psDCPerContextInfo, IMG_NULL); + + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVOpenDCDeviceKM (PVRSRV_PER_PROCESS_DATA *psPerProc, + IMG_UINT32 ui32DeviceID, + IMG_HANDLE hDevCookie, + IMG_HANDLE *phDeviceKM) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DISPLAYCLASS_PERCONTEXT_INFO *psDCPerContextInfo; + PVRSRV_DEVICE_NODE *psDeviceNode; + SYS_DATA *psSysData; + PVRSRV_ERROR eError; + + if(!phDeviceKM || !hDevCookie) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenDCDeviceKM: Invalid params")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + SysAcquireData(&psSysData); + + + psDeviceNode = (PVRSRV_DEVICE_NODE*) + List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList, + &MatchDeviceKM_AnyVaCb, + ui32DeviceID, + IMG_FALSE, + PVRSRV_DEVICE_CLASS_DISPLAY); + if (!psDeviceNode) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenDCDeviceKM: no devnode matching index %d", ui32DeviceID)); + return PVRSRV_ERROR_NO_DEVICENODE_FOUND; + } + psDCInfo = (PVRSRV_DISPLAYCLASS_INFO*)psDeviceNode->pvDevice; + + + + + if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, + sizeof(*psDCPerContextInfo), + (IMG_VOID **)&psDCPerContextInfo, IMG_NULL, + "Display Class per Context Info") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenDCDeviceKM: Failed psDCPerContextInfo alloc")); + return PVRSRV_ERROR_OUT_OF_MEMORY; + } + OSMemSet(psDCPerContextInfo, 0, sizeof(*psDCPerContextInfo)); + + if(psDCInfo->ui32RefCount++ == 0) + { + + psDeviceNode = (PVRSRV_DEVICE_NODE *)hDevCookie; + + + psDCInfo->hDevMemContext = (IMG_HANDLE)psDeviceNode->sDevMemoryInfo.pBMKernelContext; + + + eError = PVRSRVAllocSyncInfoKM(IMG_NULL, + (IMG_HANDLE)psDeviceNode->sDevMemoryInfo.pBMKernelContext, + &psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenDCDeviceKM: Failed sync info alloc")); + psDCInfo->ui32RefCount--; + return eError; + } + + + eError = psDCInfo->psFuncTable->pfnOpenDCDevice(ui32DeviceID, + &psDCInfo->hExtDevice, + (PVRSRV_SYNC_DATA*)psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo->psSyncDataMemInfoKM->pvLinAddrKM); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenDCDeviceKM: Failed to open external DC device")); + psDCInfo->ui32RefCount--; + PVRSRVFreeSyncInfoKM(psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo); + return eError; + } + + psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount++; + psDCInfo->sSystemBuffer.sDeviceClassBuffer.ui32MemMapRefCount = 0; + } + + psDCPerContextInfo->psDCInfo = psDCInfo; + psDCPerContextInfo->hResItem = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_DISPLAYCLASS_DEVICE, + psDCPerContextInfo, + 0, + &CloseDCDeviceCallBack); + + + *phDeviceKM = (IMG_HANDLE)psDCPerContextInfo; + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVEnumDCFormatsKM (IMG_HANDLE hDeviceKM, + IMG_UINT32 *pui32Count, + DISPLAY_FORMAT *psFormat) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + + if(!hDeviceKM || !pui32Count || !psFormat) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVEnumDCFormatsKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + + + return psDCInfo->psFuncTable->pfnEnumDCFormats(psDCInfo->hExtDevice, pui32Count, psFormat); +} + + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVEnumDCDimsKM (IMG_HANDLE hDeviceKM, + DISPLAY_FORMAT *psFormat, + IMG_UINT32 *pui32Count, + DISPLAY_DIMS *psDim) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + + if(!hDeviceKM || !pui32Count || !psFormat) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVEnumDCDimsKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + + + return psDCInfo->psFuncTable->pfnEnumDCDims(psDCInfo->hExtDevice, psFormat, pui32Count, psDim); +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVGetDCSystemBufferKM (IMG_HANDLE hDeviceKM, + IMG_HANDLE *phBuffer) +{ + PVRSRV_ERROR eError; + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + IMG_HANDLE hExtBuffer; + + if(!hDeviceKM || !phBuffer) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetDCSystemBufferKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + + + eError = psDCInfo->psFuncTable->pfnGetDCSystemBuffer(psDCInfo->hExtDevice, &hExtBuffer); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetDCSystemBufferKM: Failed to get valid buffer handle from external driver")); + return eError; + } + + + psDCInfo->sSystemBuffer.sDeviceClassBuffer.pfnGetBufferAddr = psDCInfo->psFuncTable->pfnGetBufferAddr; + psDCInfo->sSystemBuffer.sDeviceClassBuffer.hDevMemContext = psDCInfo->hDevMemContext; + psDCInfo->sSystemBuffer.sDeviceClassBuffer.hExtDevice = psDCInfo->hExtDevice; + psDCInfo->sSystemBuffer.sDeviceClassBuffer.hExtBuffer = hExtBuffer; + + psDCInfo->sSystemBuffer.psDCInfo = psDCInfo; + + + *phBuffer = (IMG_HANDLE)&(psDCInfo->sSystemBuffer); + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVGetDCInfoKM (IMG_HANDLE hDeviceKM, + DISPLAY_INFO *psDisplayInfo) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_ERROR eError; + + if(!hDeviceKM || !psDisplayInfo) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetDCInfoKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + + + eError = psDCInfo->psFuncTable->pfnGetDCInfo(psDCInfo->hExtDevice, psDisplayInfo); + if (eError != PVRSRV_OK) + { + return eError; + } + + if (psDisplayInfo->ui32MaxSwapChainBuffers > PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS) + { + psDisplayInfo->ui32MaxSwapChainBuffers = PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS; + } + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVDestroyDCSwapChainKM(IMG_HANDLE hSwapChainRef) +{ + PVRSRV_ERROR eError; + PVRSRV_DC_SWAPCHAIN_REF *psSwapChainRef; + + if(!hSwapChainRef) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVDestroyDCSwapChainKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psSwapChainRef = hSwapChainRef; + + eError = ResManFreeResByPtr(psSwapChainRef->hResItem, CLEANUP_WITH_POLL); + + return eError; +} + + +static PVRSRV_ERROR DestroyDCSwapChain(PVRSRV_DC_SWAPCHAIN *psSwapChain) +{ + PVRSRV_ERROR eError; + PVRSRV_DISPLAYCLASS_INFO *psDCInfo = psSwapChain->psDCInfo; + IMG_UINT32 i; + + + if( psDCInfo->psDCSwapChainShared ) + { + if( psDCInfo->psDCSwapChainShared == psSwapChain ) + { + psDCInfo->psDCSwapChainShared = psSwapChain->psNext; + } + else + { + PVRSRV_DC_SWAPCHAIN *psCurrentSwapChain; + psCurrentSwapChain = psDCInfo->psDCSwapChainShared; + while( psCurrentSwapChain->psNext ) + { + if( psCurrentSwapChain->psNext != psSwapChain ) + { + psCurrentSwapChain = psCurrentSwapChain->psNext; + continue; + } + psCurrentSwapChain->psNext = psSwapChain->psNext; + break; + } + } + } + + + PVRSRVDestroyCommandQueueKM(psSwapChain->psQueue); + + + eError = psDCInfo->psFuncTable->pfnDestroyDCSwapChain(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain); + + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"DestroyDCSwapChainCallBack: Failed to destroy DC swap chain")); + return eError; + } + + + for(i=0; i<psSwapChain->ui32BufferCount; i++) + { + if(psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo) + { + if (--psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount == 0) + { + PVRSRVFreeSyncInfoKM(psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo); + } + } + } + + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DC_SWAPCHAIN), psSwapChain, IMG_NULL); + + + return eError; +} + + +static PVRSRV_ERROR DestroyDCSwapChainRefCallBack(IMG_PVOID pvParam, + IMG_UINT32 ui32Param, + IMG_BOOL bDummy) +{ + PVRSRV_DC_SWAPCHAIN_REF *psSwapChainRef = (PVRSRV_DC_SWAPCHAIN_REF *) pvParam; + PVRSRV_ERROR eError = PVRSRV_OK; + IMG_UINT32 i; + + PVR_UNREFERENCED_PARAMETER(ui32Param); + PVR_UNREFERENCED_PARAMETER(bDummy); + + for (i = 0; i < psSwapChainRef->psSwapChain->ui32BufferCount; i++) + { + if (psSwapChainRef->psSwapChain->asBuffer[i].sDeviceClassBuffer.ui32MemMapRefCount != 0) + { + PVR_DPF((PVR_DBG_ERROR, "DestroyDCSwapChainRefCallBack: swapchain (0x%p) still mapped (ui32MemMapRefCount = %d)", + &psSwapChainRef->psSwapChain->asBuffer[i].sDeviceClassBuffer, + psSwapChainRef->psSwapChain->asBuffer[i].sDeviceClassBuffer.ui32MemMapRefCount)); +#if 0 + + return PVRSRV_ERROR_STILL_MAPPED; +#endif + } + } + + if(--psSwapChainRef->psSwapChain->ui32RefCount == 0) + { + eError = DestroyDCSwapChain(psSwapChainRef->psSwapChain); + } + + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DC_SWAPCHAIN_REF), psSwapChainRef, IMG_NULL); + return eError; +} + +static PVRSRV_DC_SWAPCHAIN* PVRSRVFindSharedDCSwapChainKM(PVRSRV_DISPLAYCLASS_INFO *psDCInfo, + IMG_UINT32 ui32SwapChainID) +{ + PVRSRV_DC_SWAPCHAIN *psCurrentSwapChain; + + for(psCurrentSwapChain = psDCInfo->psDCSwapChainShared; + psCurrentSwapChain; + psCurrentSwapChain = psCurrentSwapChain->psNext) + { + if(psCurrentSwapChain->ui32SwapChainID == ui32SwapChainID) + return psCurrentSwapChain; + } + return IMG_NULL; +} + +static PVRSRV_ERROR PVRSRVCreateDCSwapChainRefKM(PVRSRV_PER_PROCESS_DATA *psPerProc, + PVRSRV_DC_SWAPCHAIN *psSwapChain, + PVRSRV_DC_SWAPCHAIN_REF **ppsSwapChainRef) +{ + PVRSRV_DC_SWAPCHAIN_REF *psSwapChainRef = IMG_NULL; + + + if(OSAllocMem( PVRSRV_OS_PAGEABLE_HEAP, + sizeof(PVRSRV_DC_SWAPCHAIN_REF), + (IMG_VOID **)&psSwapChainRef, IMG_NULL, + "Display Class Swapchain Reference") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainRefKM: Failed psSwapChainRef alloc")); + return PVRSRV_ERROR_OUT_OF_MEMORY; + } + OSMemSet (psSwapChainRef, 0, sizeof(PVRSRV_DC_SWAPCHAIN_REF)); + + + psSwapChain->ui32RefCount++; + + + psSwapChainRef->psSwapChain = psSwapChain; + psSwapChainRef->hResItem = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_DISPLAYCLASS_SWAPCHAIN_REF, + psSwapChainRef, + 0, + &DestroyDCSwapChainRefCallBack); + *ppsSwapChainRef = psSwapChainRef; + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVCreateDCSwapChainKM (PVRSRV_PER_PROCESS_DATA *psPerProc, + IMG_HANDLE hDeviceKM, + IMG_UINT32 ui32Flags, + DISPLAY_SURF_ATTRIBUTES *psDstSurfAttrib, + DISPLAY_SURF_ATTRIBUTES *psSrcSurfAttrib, + IMG_UINT32 ui32BufferCount, + IMG_UINT32 ui32OEMFlags, + IMG_HANDLE *phSwapChainRef, + IMG_UINT32 *pui32SwapChainID) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain = IMG_NULL; + PVRSRV_DC_SWAPCHAIN_REF *psSwapChainRef = IMG_NULL; + PVRSRV_SYNC_DATA *apsSyncData[PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS]; + PVRSRV_QUEUE_INFO *psQueue = IMG_NULL; + PVRSRV_ERROR eError; + IMG_UINT32 i; + DISPLAY_INFO sDisplayInfo; + + + if(!hDeviceKM + || !psDstSurfAttrib + || !psSrcSurfAttrib + || !phSwapChainRef + || !pui32SwapChainID) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + if (ui32BufferCount > PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Too many buffers")); + return PVRSRV_ERROR_TOOMANYBUFFERS; + } + + if (ui32BufferCount < 2) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Too few buffers")); + return PVRSRV_ERROR_TOO_FEW_BUFFERS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + + if( ui32Flags & PVRSRV_CREATE_SWAPCHAIN_QUERY ) + { + + psSwapChain = PVRSRVFindSharedDCSwapChainKM(psDCInfo, *pui32SwapChainID ); + if( psSwapChain ) + { + + eError = PVRSRVCreateDCSwapChainRefKM(psPerProc, + psSwapChain, + &psSwapChainRef); + if( eError != PVRSRV_OK ) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Couldn't create swap chain reference")); + return eError; + } + + *phSwapChainRef = (IMG_HANDLE)psSwapChainRef; + return PVRSRV_OK; + } + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: No shared SwapChain found for query")); + return PVRSRV_ERROR_FLIP_CHAIN_EXISTS; + } + + + if(OSAllocMem( PVRSRV_OS_PAGEABLE_HEAP, + sizeof(PVRSRV_DC_SWAPCHAIN), + (IMG_VOID **)&psSwapChain, IMG_NULL, + "Display Class Swapchain") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Failed psSwapChain alloc")); + eError = PVRSRV_ERROR_OUT_OF_MEMORY; + goto ErrorExit; + } + OSMemSet (psSwapChain, 0, sizeof(PVRSRV_DC_SWAPCHAIN)); + + + eError = PVRSRVCreateCommandQueueKM(1024, &psQueue); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Failed to create CmdQueue")); + goto ErrorExit; + } + + + psSwapChain->psQueue = psQueue; + + + for(i=0; i<ui32BufferCount; i++) + { + eError = PVRSRVAllocSyncInfoKM(IMG_NULL, + psDCInfo->hDevMemContext, + &psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Failed to alloc syninfo for psSwapChain")); + goto ErrorExit; + } + + psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount++; + + + psSwapChain->asBuffer[i].sDeviceClassBuffer.pfnGetBufferAddr = psDCInfo->psFuncTable->pfnGetBufferAddr; + psSwapChain->asBuffer[i].sDeviceClassBuffer.hDevMemContext = psDCInfo->hDevMemContext; + psSwapChain->asBuffer[i].sDeviceClassBuffer.hExtDevice = psDCInfo->hExtDevice; + + + psSwapChain->asBuffer[i].psDCInfo = psDCInfo; + psSwapChain->asBuffer[i].psSwapChain = psSwapChain; + + + apsSyncData[i] = (PVRSRV_SYNC_DATA*)psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->psSyncDataMemInfoKM->pvLinAddrKM; + } + + psSwapChain->ui32BufferCount = ui32BufferCount; + psSwapChain->psDCInfo = psDCInfo; + +#if defined(PDUMP) + PDUMPCOMMENT("Allocate DC swap chain (SwapChainID == %u, BufferCount == %u)", + *pui32SwapChainID, + ui32BufferCount); + PDUMPCOMMENT(" Src surface dimensions == %u x %u", + psSrcSurfAttrib->sDims.ui32Width, + psSrcSurfAttrib->sDims.ui32Height); + PDUMPCOMMENT(" Dst surface dimensions == %u x %u", + psDstSurfAttrib->sDims.ui32Width, + psDstSurfAttrib->sDims.ui32Height); +#endif + + eError = psDCInfo->psFuncTable->pfnGetDCInfo(psDCInfo->hExtDevice, &sDisplayInfo); + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Failed to get DC info")); + return eError; + } + + psSwapChain->ui32MinSwapInterval = sDisplayInfo.ui32MinSwapInterval; + psSwapChain->ui32MaxSwapInterval = sDisplayInfo.ui32MaxSwapInterval; + + + eError = psDCInfo->psFuncTable->pfnCreateDCSwapChain(psDCInfo->hExtDevice, + ui32Flags, + psDstSurfAttrib, + psSrcSurfAttrib, + ui32BufferCount, + apsSyncData, + ui32OEMFlags, + &psSwapChain->hExtSwapChain, + &psSwapChain->ui32SwapChainID); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Failed to create 3rd party SwapChain")); + PDUMPCOMMENT("Swapchain allocation failed."); + goto ErrorExit; + } + + + eError = PVRSRVCreateDCSwapChainRefKM(psPerProc, + psSwapChain, + &psSwapChainRef); + if( eError != PVRSRV_OK ) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDCSwapChainKM: Couldn't create swap chain reference")); + PDUMPCOMMENT("Swapchain allocation failed."); + goto ErrorExit; + } + + psSwapChain->ui32RefCount = 1; + psSwapChain->ui32Flags = ui32Flags; + + + if( ui32Flags & PVRSRV_CREATE_SWAPCHAIN_SHARED ) + { + if(! psDCInfo->psDCSwapChainShared ) + { + psDCInfo->psDCSwapChainShared = psSwapChain; + } + else + { + PVRSRV_DC_SWAPCHAIN *psOldHead = psDCInfo->psDCSwapChainShared; + psDCInfo->psDCSwapChainShared = psSwapChain; + psSwapChain->psNext = psOldHead; + } + } + + + *pui32SwapChainID = psSwapChain->ui32SwapChainID; + + + *phSwapChainRef= (IMG_HANDLE)psSwapChainRef; + + return eError; + +ErrorExit: + + for(i=0; i<ui32BufferCount; i++) + { + if(psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo) + { + if (--psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount == 0) + { + PVRSRVFreeSyncInfoKM(psSwapChain->asBuffer[i].sDeviceClassBuffer.psKernelSyncInfo); + } + } + } + + if(psQueue) + { + PVRSRVDestroyCommandQueueKM(psQueue); + } + + if(psSwapChain) + { + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_DC_SWAPCHAIN), psSwapChain, IMG_NULL); + + } + + return eError; +} + + + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVSetDCDstRectKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hSwapChainRef, + IMG_RECT *psRect) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain; + + if(!hDeviceKM || !hSwapChainRef) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSetDCDstRectKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + psSwapChain = ((PVRSRV_DC_SWAPCHAIN_REF*)hSwapChainRef)->psSwapChain; + + return psDCInfo->psFuncTable->pfnSetDCDstRect(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain, + psRect); +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVSetDCSrcRectKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hSwapChainRef, + IMG_RECT *psRect) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain; + + if(!hDeviceKM || !hSwapChainRef) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSetDCSrcRectKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + psSwapChain = ((PVRSRV_DC_SWAPCHAIN_REF*)hSwapChainRef)->psSwapChain; + + return psDCInfo->psFuncTable->pfnSetDCSrcRect(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain, + psRect); +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVSetDCDstColourKeyKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hSwapChainRef, + IMG_UINT32 ui32CKColour) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain; + + if(!hDeviceKM || !hSwapChainRef) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSetDCDstColourKeyKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + psSwapChain = ((PVRSRV_DC_SWAPCHAIN_REF*)hSwapChainRef)->psSwapChain; + + return psDCInfo->psFuncTable->pfnSetDCDstColourKey(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain, + ui32CKColour); +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVSetDCSrcColourKeyKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hSwapChainRef, + IMG_UINT32 ui32CKColour) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain; + + if(!hDeviceKM || !hSwapChainRef) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSetDCSrcColourKeyKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + psSwapChain = ((PVRSRV_DC_SWAPCHAIN_REF*)hSwapChainRef)->psSwapChain; + + return psDCInfo->psFuncTable->pfnSetDCSrcColourKey(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain, + ui32CKColour); +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVGetDCBuffersKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hSwapChainRef, + IMG_UINT32 *pui32BufferCount, + IMG_HANDLE *phBuffer) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain; + IMG_HANDLE ahExtBuffer[PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS]; + PVRSRV_ERROR eError; + IMG_UINT32 i; + + if(!hDeviceKM || !hSwapChainRef || !phBuffer) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetDCBuffersKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + psSwapChain = ((PVRSRV_DC_SWAPCHAIN_REF*)hSwapChainRef)->psSwapChain; + + + eError = psDCInfo->psFuncTable->pfnGetDCBuffers(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain, + pui32BufferCount, + ahExtBuffer); + + PVR_ASSERT(*pui32BufferCount <= PVRSRV_MAX_DC_SWAPCHAIN_BUFFERS); + + + + + for(i=0; i<*pui32BufferCount; i++) + { + psSwapChain->asBuffer[i].sDeviceClassBuffer.hExtBuffer = ahExtBuffer[i]; + phBuffer[i] = (IMG_HANDLE)&psSwapChain->asBuffer[i]; + } + + return eError; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVSwapToDCBufferKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hBuffer, + IMG_UINT32 ui32SwapInterval, + IMG_HANDLE hPrivateTag, + IMG_UINT32 ui32ClipRectCount, + IMG_RECT *psClipRect) +{ + PVRSRV_ERROR eError; + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_BUFFER *psBuffer; + PVRSRV_QUEUE_INFO *psQueue; + DISPLAYCLASS_FLIP_COMMAND *psFlipCmd; + IMG_UINT32 i; + IMG_BOOL bAddReferenceToLast = IMG_TRUE; + IMG_UINT16 ui16SwapCommandID = DC_FLIP_COMMAND; + IMG_UINT32 ui32NumSrcSyncs = 1; + PVRSRV_KERNEL_SYNC_INFO *apsSrcSync[2]; + PVRSRV_COMMAND *psCommand; + SYS_DATA *psSysData; + + if(!hDeviceKM || !hBuffer || !psClipRect) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCBufferKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psBuffer = (PVRSRV_DC_BUFFER*)hBuffer; + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + + + if(ui32SwapInterval < psBuffer->psSwapChain->ui32MinSwapInterval || + ui32SwapInterval > psBuffer->psSwapChain->ui32MaxSwapInterval) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCBufferKM: Invalid swap interval. Requested %u, Allowed range %u-%u", + ui32SwapInterval, psBuffer->psSwapChain->ui32MinSwapInterval, psBuffer->psSwapChain->ui32MaxSwapInterval)); + return PVRSRV_ERROR_INVALID_SWAPINTERVAL; + } + +#if defined(SUPPORT_CUSTOM_SWAP_OPERATIONS) + + if(psDCInfo->psFuncTable->pfnQuerySwapCommandID != IMG_NULL) + { + psDCInfo->psFuncTable->pfnQuerySwapCommandID(psDCInfo->hExtDevice, + psBuffer->psSwapChain->hExtSwapChain, + psBuffer->sDeviceClassBuffer.hExtBuffer, + hPrivateTag, + &ui16SwapCommandID, + &bAddReferenceToLast); + + } + +#endif + + + psQueue = psBuffer->psSwapChain->psQueue; + + + apsSrcSync[0] = psBuffer->sDeviceClassBuffer.psKernelSyncInfo; + + + + if(bAddReferenceToLast && psBuffer->psSwapChain->psLastFlipBuffer && + psBuffer != psBuffer->psSwapChain->psLastFlipBuffer) + { + apsSrcSync[1] = psBuffer->psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.psKernelSyncInfo; + + + + ui32NumSrcSyncs++; + } + + + eError = PVRSRVInsertCommandKM (psQueue, + &psCommand, + psDCInfo->ui32DeviceID, + ui16SwapCommandID, + 0, + IMG_NULL, + ui32NumSrcSyncs, + apsSrcSync, + sizeof(DISPLAYCLASS_FLIP_COMMAND) + (sizeof(IMG_RECT) * ui32ClipRectCount)); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCBufferKM: Failed to get space in queue")); + goto Exit; + } + + + psFlipCmd = (DISPLAYCLASS_FLIP_COMMAND*)psCommand->pvData; + + + psFlipCmd->hExtDevice = psDCInfo->hExtDevice; + + + psFlipCmd->hExtSwapChain = psBuffer->psSwapChain->hExtSwapChain; + + + psFlipCmd->hExtBuffer = psBuffer->sDeviceClassBuffer.hExtBuffer; + + + psFlipCmd->hPrivateTag = hPrivateTag; + + + psFlipCmd->ui32ClipRectCount = ui32ClipRectCount; + + psFlipCmd->psClipRect = (IMG_RECT*)((IMG_UINT8*)psFlipCmd + sizeof(DISPLAYCLASS_FLIP_COMMAND)); + + for(i=0; i<ui32ClipRectCount; i++) + { + psFlipCmd->psClipRect[i] = psClipRect[i]; + } + + + psFlipCmd->ui32SwapInterval = ui32SwapInterval; + + + eError = PVRSRVSubmitCommandKM (psQueue, psCommand); + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCBufferKM: Failed to submit command")); + goto Exit; + } + + + + SysAcquireData(&psSysData); + eError = OSScheduleMISR(psSysData); + + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCBufferKM: Failed to schedule MISR")); + goto Exit; + } + + + psBuffer->psSwapChain->psLastFlipBuffer = psBuffer; + +Exit: + + if(eError == PVRSRV_ERROR_CANNOT_GET_QUEUE_SPACE) + { + eError = PVRSRV_ERROR_RETRY; + } + + return eError; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVSwapToDCSystemKM(IMG_HANDLE hDeviceKM, + IMG_HANDLE hSwapChainRef) +{ + PVRSRV_ERROR eError; + PVRSRV_QUEUE_INFO *psQueue; + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + PVRSRV_DC_SWAPCHAIN *psSwapChain; + PVRSRV_DC_SWAPCHAIN_REF *psSwapChainRef; + DISPLAYCLASS_FLIP_COMMAND *psFlipCmd; + IMG_UINT32 ui32NumSrcSyncs = 1; + PVRSRV_KERNEL_SYNC_INFO *apsSrcSync[2]; + PVRSRV_COMMAND *psCommand; + IMG_BOOL bAddReferenceToLast = IMG_TRUE; + IMG_UINT16 ui16SwapCommandID = DC_FLIP_COMMAND; + SYS_DATA *psSysData; + + if(!hDeviceKM || !hSwapChainRef) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM); + psSwapChainRef = (PVRSRV_DC_SWAPCHAIN_REF*)hSwapChainRef; + psSwapChain = psSwapChainRef->psSwapChain; + + + psQueue = psSwapChain->psQueue; + +#if defined(SUPPORT_CUSTOM_SWAP_OPERATIONS) + + if(psDCInfo->psFuncTable->pfnQuerySwapCommandID != IMG_NULL) + { + psDCInfo->psFuncTable->pfnQuerySwapCommandID(psDCInfo->hExtDevice, + psSwapChain->hExtSwapChain, + psDCInfo->sSystemBuffer.sDeviceClassBuffer.hExtBuffer, + 0, + &ui16SwapCommandID, + &bAddReferenceToLast); + + } + +#endif + + + apsSrcSync[0] = psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo; + + + + if(bAddReferenceToLast && psSwapChain->psLastFlipBuffer) + { + + if (apsSrcSync[0] != psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.psKernelSyncInfo) + { + apsSrcSync[1] = psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.psKernelSyncInfo; + + + + ui32NumSrcSyncs++; + } + } + + + eError = PVRSRVInsertCommandKM (psQueue, + &psCommand, + psDCInfo->ui32DeviceID, + ui16SwapCommandID, + 0, + IMG_NULL, + ui32NumSrcSyncs, + apsSrcSync, + sizeof(DISPLAYCLASS_FLIP_COMMAND)); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Failed to get space in queue")); + goto Exit; + } + + + psFlipCmd = (DISPLAYCLASS_FLIP_COMMAND*)psCommand->pvData; + + + psFlipCmd->hExtDevice = psDCInfo->hExtDevice; + + + psFlipCmd->hExtSwapChain = psSwapChain->hExtSwapChain; + + + psFlipCmd->hExtBuffer = psDCInfo->sSystemBuffer.sDeviceClassBuffer.hExtBuffer; + + + psFlipCmd->hPrivateTag = IMG_NULL; + + + psFlipCmd->ui32ClipRectCount = 0; + + psFlipCmd->ui32SwapInterval = 1; + + + eError = PVRSRVSubmitCommandKM (psQueue, psCommand); + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Failed to submit command")); + goto Exit; + } + + + SysAcquireData(&psSysData); + eError = OSScheduleMISR(psSysData); + + if (eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Failed to schedule MISR")); + goto Exit; + } + + + psSwapChain->psLastFlipBuffer = &psDCInfo->sSystemBuffer; + + eError = PVRSRV_OK; + +Exit: + + if(eError == PVRSRV_ERROR_CANNOT_GET_QUEUE_SPACE) + { + eError = PVRSRV_ERROR_RETRY; + } + + return eError; +} + + +static +PVRSRV_ERROR PVRSRVRegisterSystemISRHandler (PFN_ISR_HANDLER pfnISRHandler, + IMG_VOID *pvISRHandlerData, + IMG_UINT32 ui32ISRSourceMask, + IMG_UINT32 ui32DeviceID) +{ + SYS_DATA *psSysData; + PVRSRV_DEVICE_NODE *psDevNode; + + PVR_UNREFERENCED_PARAMETER(ui32ISRSourceMask); + + SysAcquireData(&psSysData); + + + psDevNode = (PVRSRV_DEVICE_NODE*) + List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList, + &MatchDeviceKM_AnyVaCb, + ui32DeviceID, + IMG_TRUE); + + if (psDevNode == IMG_NULL) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVRegisterSystemISRHandler: Failed to get psDevNode")); + PVR_DBG_BREAK; + return PVRSRV_ERROR_NO_DEVICENODE_FOUND; + } + + + psDevNode->pvISRData = (IMG_VOID*) pvISRHandlerData; + + + psDevNode->pfnDeviceISR = pfnISRHandler; + + return PVRSRV_OK; +} + +static +IMG_VOID PVRSRVSetDCState_ForEachVaCb(PVRSRV_DEVICE_NODE *psDeviceNode, va_list va) +{ + PVRSRV_DISPLAYCLASS_INFO *psDCInfo; + IMG_UINT32 ui32State; + ui32State = va_arg(va, IMG_UINT32); + + if (psDeviceNode->sDevId.eDeviceClass == PVRSRV_DEVICE_CLASS_DISPLAY) + { + psDCInfo = (PVRSRV_DISPLAYCLASS_INFO *)psDeviceNode->pvDevice; + if (psDCInfo->psFuncTable->pfnSetDCState && psDCInfo->hExtDevice) + { + psDCInfo->psFuncTable->pfnSetDCState(psDCInfo->hExtDevice, ui32State); + } + } +} + + +IMG_VOID IMG_CALLCONV PVRSRVSetDCState(IMG_UINT32 ui32State) +{ + SYS_DATA *psSysData; + + SysAcquireData(&psSysData); + + List_PVRSRV_DEVICE_NODE_ForEach_va(psSysData->psDeviceNodeList, + &PVRSRVSetDCState_ForEachVaCb, + ui32State); +} + + +IMG_EXPORT +IMG_BOOL PVRGetDisplayClassJTable(PVRSRV_DC_DISP2SRV_KMJTABLE *psJTable) +{ + psJTable->ui32TableSize = sizeof(PVRSRV_DC_DISP2SRV_KMJTABLE); + psJTable->pfnPVRSRVRegisterDCDevice = &PVRSRVRegisterDCDeviceKM; + psJTable->pfnPVRSRVRemoveDCDevice = &PVRSRVRemoveDCDeviceKM; + psJTable->pfnPVRSRVOEMFunction = &SysOEMFunction; + psJTable->pfnPVRSRVRegisterCmdProcList = &PVRSRVRegisterCmdProcListKM; + psJTable->pfnPVRSRVRemoveCmdProcList = &PVRSRVRemoveCmdProcListKM; +#if defined(SUPPORT_MISR_IN_THREAD) + psJTable->pfnPVRSRVCmdComplete = &OSVSyncMISR; +#else + psJTable->pfnPVRSRVCmdComplete = &PVRSRVCommandCompleteKM; +#endif + psJTable->pfnPVRSRVRegisterSystemISRHandler = &PVRSRVRegisterSystemISRHandler; + psJTable->pfnPVRSRVRegisterPowerDevice = &PVRSRVRegisterPowerDevice; +#if defined(SUPPORT_CUSTOM_SWAP_OPERATIONS) + psJTable->pfnPVRSRVFreeCmdCompletePacket = &PVRSRVFreeCommandCompletePacketKM; +#endif + + return IMG_TRUE; +} + + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVCloseBCDeviceKM (IMG_HANDLE hDeviceKM, + IMG_BOOL bResManCallback) +{ + PVRSRV_ERROR eError; + PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *psBCPerContextInfo; + + PVR_UNREFERENCED_PARAMETER(bResManCallback); + + psBCPerContextInfo = (PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *)hDeviceKM; + + + eError = ResManFreeResByPtr(psBCPerContextInfo->hResItem, CLEANUP_WITH_POLL); + + return eError; +} + + +static PVRSRV_ERROR CloseBCDeviceCallBack(IMG_PVOID pvParam, + IMG_UINT32 ui32Param, + IMG_BOOL bDummy) +{ + PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *psBCPerContextInfo; + PVRSRV_BUFFERCLASS_INFO *psBCInfo; + IMG_UINT32 i; + + PVR_UNREFERENCED_PARAMETER(ui32Param); + PVR_UNREFERENCED_PARAMETER(bDummy); + + psBCPerContextInfo = (PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *)pvParam; + + psBCInfo = psBCPerContextInfo->psBCInfo; + + for (i = 0; i < psBCInfo->ui32BufferCount; i++) + { + if (psBCInfo->psBuffer[i].sDeviceClassBuffer.ui32MemMapRefCount != 0) + { + PVR_DPF((PVR_DBG_ERROR, "CloseBCDeviceCallBack: buffer %d (0x%p) still mapped (ui32MemMapRefCount = %d)", + i, + &psBCInfo->psBuffer[i].sDeviceClassBuffer, + psBCInfo->psBuffer[i].sDeviceClassBuffer.ui32MemMapRefCount)); + return PVRSRV_ERROR_STILL_MAPPED; + } + } + + psBCInfo->ui32RefCount--; + if(psBCInfo->ui32RefCount == 0) + { + + psBCInfo->psFuncTable->pfnCloseBCDevice(psBCInfo->ui32DeviceID, psBCInfo->hExtDevice); + + + for(i=0; i<psBCInfo->ui32BufferCount; i++) + { + if(psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo) + { + if (--psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount == 0) + { + PVRSRVFreeSyncInfoKM(psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo); + } + } + } + + + if(psBCInfo->psBuffer) + { + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_BC_BUFFER) * psBCInfo->ui32BufferCount, psBCInfo->psBuffer, IMG_NULL); + psBCInfo->psBuffer = IMG_NULL; + } + } + + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_BUFFERCLASS_PERCONTEXT_INFO), psBCPerContextInfo, IMG_NULL); + + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVOpenBCDeviceKM (PVRSRV_PER_PROCESS_DATA *psPerProc, + IMG_UINT32 ui32DeviceID, + IMG_HANDLE hDevCookie, + IMG_HANDLE *phDeviceKM) +{ + PVRSRV_BUFFERCLASS_INFO *psBCInfo; + PVRSRV_BUFFERCLASS_PERCONTEXT_INFO *psBCPerContextInfo; + PVRSRV_DEVICE_NODE *psDeviceNode; + SYS_DATA *psSysData; + IMG_UINT32 i; + PVRSRV_ERROR eError; + + if(!phDeviceKM || !hDevCookie) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: Invalid params")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + SysAcquireData(&psSysData); + + + psDeviceNode = (PVRSRV_DEVICE_NODE*) + List_PVRSRV_DEVICE_NODE_Any_va(psSysData->psDeviceNodeList, + &MatchDeviceKM_AnyVaCb, + ui32DeviceID, + IMG_FALSE, + PVRSRV_DEVICE_CLASS_BUFFER); + if (!psDeviceNode) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: No devnode matching index %d", ui32DeviceID)); + return PVRSRV_ERROR_NO_DEVICENODE_FOUND; + } + psBCInfo = (PVRSRV_BUFFERCLASS_INFO*)psDeviceNode->pvDevice; + + + + + if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, + sizeof(*psBCPerContextInfo), + (IMG_VOID **)&psBCPerContextInfo, IMG_NULL, + "Buffer Class per Context Info") != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: Failed psBCPerContextInfo alloc")); + return PVRSRV_ERROR_OUT_OF_MEMORY; + } + OSMemSet(psBCPerContextInfo, 0, sizeof(*psBCPerContextInfo)); + + if(psBCInfo->ui32RefCount++ == 0) + { + BUFFER_INFO sBufferInfo; + + psDeviceNode = (PVRSRV_DEVICE_NODE *)hDevCookie; + + + psBCInfo->hDevMemContext = (IMG_HANDLE)psDeviceNode->sDevMemoryInfo.pBMKernelContext; + + + eError = psBCInfo->psFuncTable->pfnOpenBCDevice(ui32DeviceID, &psBCInfo->hExtDevice); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: Failed to open external BC device")); + return eError; + } + + + eError = psBCInfo->psFuncTable->pfnGetBCInfo(psBCInfo->hExtDevice, &sBufferInfo); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM : Failed to get BC Info")); + return eError; + } + + + psBCInfo->ui32BufferCount = sBufferInfo.ui32BufferCount; + + + + eError = OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, + sizeof(PVRSRV_BC_BUFFER) * sBufferInfo.ui32BufferCount, + (IMG_VOID **)&psBCInfo->psBuffer, + IMG_NULL, + "Array of Buffer Class Buffer"); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: Failed to allocate BC buffers")); + return eError; + } + OSMemSet (psBCInfo->psBuffer, + 0, + sizeof(PVRSRV_BC_BUFFER) * sBufferInfo.ui32BufferCount); + + for(i=0; i<psBCInfo->ui32BufferCount; i++) + { + + eError = PVRSRVAllocSyncInfoKM(IMG_NULL, + psBCInfo->hDevMemContext, + &psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: Failed sync info alloc")); + goto ErrorExit; + } + + psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount++; + + + + + eError = psBCInfo->psFuncTable->pfnGetBCBuffer(psBCInfo->hExtDevice, + i, + psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->psSyncData, + &psBCInfo->psBuffer[i].sDeviceClassBuffer.hExtBuffer); + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVOpenBCDeviceKM: Failed to get BC buffers")); + goto ErrorExit; + } + + + psBCInfo->psBuffer[i].sDeviceClassBuffer.pfnGetBufferAddr = psBCInfo->psFuncTable->pfnGetBufferAddr; + psBCInfo->psBuffer[i].sDeviceClassBuffer.hDevMemContext = psBCInfo->hDevMemContext; + psBCInfo->psBuffer[i].sDeviceClassBuffer.hExtDevice = psBCInfo->hExtDevice; + psBCInfo->psBuffer[i].sDeviceClassBuffer.ui32MemMapRefCount = 0; + } + } + + psBCPerContextInfo->psBCInfo = psBCInfo; + psBCPerContextInfo->hResItem = ResManRegisterRes(psPerProc->hResManContext, + RESMAN_TYPE_BUFFERCLASS_DEVICE, + psBCPerContextInfo, + 0, + &CloseBCDeviceCallBack); + + + *phDeviceKM = (IMG_HANDLE)psBCPerContextInfo; + + return PVRSRV_OK; + +ErrorExit: + + + for(i=0; i<psBCInfo->ui32BufferCount; i++) + { + if(psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo) + { + if (--psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo->ui32RefCount == 0) + { + PVRSRVFreeSyncInfoKM(psBCInfo->psBuffer[i].sDeviceClassBuffer.psKernelSyncInfo); + } + } + } + + + if(psBCInfo->psBuffer) + { + OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_BC_BUFFER), psBCInfo->psBuffer, IMG_NULL); + psBCInfo->psBuffer = IMG_NULL; + } + + return eError; +} + + + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVGetBCInfoKM (IMG_HANDLE hDeviceKM, + BUFFER_INFO *psBufferInfo) +{ + PVRSRV_BUFFERCLASS_INFO *psBCInfo; + PVRSRV_ERROR eError; + + if(!hDeviceKM || !psBufferInfo) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetBCInfoKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psBCInfo = BCDeviceHandleToBCInfo(hDeviceKM); + + eError = psBCInfo->psFuncTable->pfnGetBCInfo(psBCInfo->hExtDevice, psBufferInfo); + + if(eError != PVRSRV_OK) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetBCInfoKM : Failed to get BC Info")); + return eError; + } + + return PVRSRV_OK; +} + + +IMG_EXPORT +PVRSRV_ERROR PVRSRVGetBCBufferKM (IMG_HANDLE hDeviceKM, + IMG_UINT32 ui32BufferIndex, + IMG_HANDLE *phBuffer) +{ + PVRSRV_BUFFERCLASS_INFO *psBCInfo; + + if(!hDeviceKM || !phBuffer) + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetBCBufferKM: Invalid parameters")); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + psBCInfo = BCDeviceHandleToBCInfo(hDeviceKM); + + if(ui32BufferIndex < psBCInfo->ui32BufferCount) + { + *phBuffer = (IMG_HANDLE)&psBCInfo->psBuffer[ui32BufferIndex]; + } + else + { + PVR_DPF((PVR_DBG_ERROR,"PVRSRVGetBCBufferKM: Buffer index %d out of range (%d)", ui32BufferIndex,psBCInfo->ui32BufferCount)); + return PVRSRV_ERROR_INVALID_PARAMS; + } + + return PVRSRV_OK; +} + + +IMG_EXPORT +IMG_BOOL PVRGetBufferClassJTable(PVRSRV_BC_BUFFER2SRV_KMJTABLE *psJTable) +{ + psJTable->ui32TableSize = sizeof(PVRSRV_BC_BUFFER2SRV_KMJTABLE); + + psJTable->pfnPVRSRVRegisterBCDevice = &PVRSRVRegisterBCDeviceKM; + psJTable->pfnPVRSRVScheduleDevices = &PVRSRVScheduleDevicesKM; + psJTable->pfnPVRSRVRemoveBCDevice = &PVRSRVRemoveBCDeviceKM; + + return IMG_TRUE; +} + |