thead-kernel/drivers/gpu/drm/img-rogue/server_rgxtimerquery_bridge.c

/*******************************************************************************
@File
@Title          Server bridge for rgxtimerquery
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    Implements the server side of the bridge for rgxtimerquery
@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
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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the GNU General Public License Version 2 ("GPL") in which case the provisions
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not delete the provisions above, a recipient may use your version of this file
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"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
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*******************************************************************************/

#include <linux/uaccess.h>

#include "img_defs.h"

#include "rgxtimerquery.h"

#include "common_rgxtimerquery_bridge.h"

#include "allocmem.h"
#include "pvr_debug.h"
#include "connection_server.h"
#include "pvr_bridge.h"
#if defined(SUPPORT_RGX)
#include "rgx_bridge.h"
#endif
#include "srvcore.h"
#include "handle.h"

#include <linux/slab.h>

/* ***************************************************************************
 * Server-side bridge entry points
 */

static IMG_INT
PVRSRVBridgeRGXBeginTimerQuery(IMG_UINT32 ui32DispatchTableEntry,
			       IMG_UINT8 * psRGXBeginTimerQueryIN_UI8,
			       IMG_UINT8 * psRGXBeginTimerQueryOUT_UI8,
			       CONNECTION_DATA * psConnection)
{
	PVRSRV_BRIDGE_IN_RGXBEGINTIMERQUERY *psRGXBeginTimerQueryIN =
	    (PVRSRV_BRIDGE_IN_RGXBEGINTIMERQUERY *) IMG_OFFSET_ADDR(psRGXBeginTimerQueryIN_UI8, 0);
	PVRSRV_BRIDGE_OUT_RGXBEGINTIMERQUERY *psRGXBeginTimerQueryOUT =
	    (PVRSRV_BRIDGE_OUT_RGXBEGINTIMERQUERY *) IMG_OFFSET_ADDR(psRGXBeginTimerQueryOUT_UI8,
								     0);

	psRGXBeginTimerQueryOUT->eError =
	    PVRSRVRGXBeginTimerQueryKM(psConnection, OSGetDevNode(psConnection),
				       psRGXBeginTimerQueryIN->ui32QueryId);

	return 0;
}

static IMG_INT
PVRSRVBridgeRGXEndTimerQuery(IMG_UINT32 ui32DispatchTableEntry,
			     IMG_UINT8 * psRGXEndTimerQueryIN_UI8,
			     IMG_UINT8 * psRGXEndTimerQueryOUT_UI8, CONNECTION_DATA * psConnection)
{
	PVRSRV_BRIDGE_IN_RGXENDTIMERQUERY *psRGXEndTimerQueryIN =
	    (PVRSRV_BRIDGE_IN_RGXENDTIMERQUERY *) IMG_OFFSET_ADDR(psRGXEndTimerQueryIN_UI8, 0);
	PVRSRV_BRIDGE_OUT_RGXENDTIMERQUERY *psRGXEndTimerQueryOUT =
	    (PVRSRV_BRIDGE_OUT_RGXENDTIMERQUERY *) IMG_OFFSET_ADDR(psRGXEndTimerQueryOUT_UI8, 0);

	PVR_UNREFERENCED_PARAMETER(psRGXEndTimerQueryIN);

	psRGXEndTimerQueryOUT->eError =
	    PVRSRVRGXEndTimerQueryKM(psConnection, OSGetDevNode(psConnection));

	return 0;
}

static IMG_INT
PVRSRVBridgeRGXQueryTimer(IMG_UINT32 ui32DispatchTableEntry,
			  IMG_UINT8 * psRGXQueryTimerIN_UI8,
			  IMG_UINT8 * psRGXQueryTimerOUT_UI8, CONNECTION_DATA * psConnection)
{
	PVRSRV_BRIDGE_IN_RGXQUERYTIMER *psRGXQueryTimerIN =
	    (PVRSRV_BRIDGE_IN_RGXQUERYTIMER *) IMG_OFFSET_ADDR(psRGXQueryTimerIN_UI8, 0);
	PVRSRV_BRIDGE_OUT_RGXQUERYTIMER *psRGXQueryTimerOUT =
	    (PVRSRV_BRIDGE_OUT_RGXQUERYTIMER *) IMG_OFFSET_ADDR(psRGXQueryTimerOUT_UI8, 0);

	psRGXQueryTimerOUT->eError =
	    PVRSRVRGXQueryTimerKM(psConnection, OSGetDevNode(psConnection),
				  psRGXQueryTimerIN->ui32QueryId,
				  &psRGXQueryTimerOUT->ui64StartTime,
				  &psRGXQueryTimerOUT->ui64EndTime);

	return 0;
}

/* ***************************************************************************
 * Server bridge dispatch related glue
 */

PVRSRV_ERROR InitRGXTIMERQUERYBridge(void);
void DeinitRGXTIMERQUERYBridge(void);

/*
 * Register all RGXTIMERQUERY functions with services
 */
PVRSRV_ERROR InitRGXTIMERQUERYBridge(void)
{

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXTIMERQUERY,
			      PVRSRV_BRIDGE_RGXTIMERQUERY_RGXBEGINTIMERQUERY,
			      PVRSRVBridgeRGXBeginTimerQuery, NULL);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXTIMERQUERY,
			      PVRSRV_BRIDGE_RGXTIMERQUERY_RGXENDTIMERQUERY,
			      PVRSRVBridgeRGXEndTimerQuery, NULL);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXTIMERQUERY,
			      PVRSRV_BRIDGE_RGXTIMERQUERY_RGXQUERYTIMER, PVRSRVBridgeRGXQueryTimer,
			      NULL);

	return PVRSRV_OK;
}

/*
 * Unregister all rgxtimerquery functions with services
 */
void DeinitRGXTIMERQUERYBridge(void)
{

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXTIMERQUERY,
				PVRSRV_BRIDGE_RGXTIMERQUERY_RGXBEGINTIMERQUERY);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXTIMERQUERY,
				PVRSRV_BRIDGE_RGXTIMERQUERY_RGXENDTIMERQUERY);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXTIMERQUERY,
				PVRSRV_BRIDGE_RGXTIMERQUERY_RGXQUERYTIMER);

}