services/server/devices/rgx/rgxregconfig.c

/*************************************************************************/ /*!
@File
@Title          RGX Register configuration
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    RGX Regconfig routines
@License        MIT

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.

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.
*/ /**************************************************************************/

#include "rgxregconfig.h"
#include "pvr_debug.h"
#include "rgxutils.h"
#include "rgxfwutils.h"
#include "device.h"
#include "sync_internal.h"
#include "pdump_km.h"
#include "pvrsrv.h"

PVRSRV_ERROR PVRSRVRGXSetRegConfigTypeKM(CONNECTION_DATA * psDevConnection,
                                         PVRSRV_DEVICE_NODE	 *psDeviceNode,
                                         IMG_UINT8           ui8RegCfgType)
{	
#if defined(SUPPORT_USER_REGISTER_CONFIGURATION)
	PVRSRV_ERROR          eError       = PVRSRV_OK;
	PVRSRV_RGXDEV_INFO 	  *psDevInfo   = psDeviceNode->pvDevice;
	RGX_REG_CONFIG        *psRegCfg    = &psDevInfo->sRegCongfig;
	RGXFWIF_REG_CFG_TYPE  eRegCfgType  = (RGXFWIF_REG_CFG_TYPE) ui8RegCfgType;

	PVR_UNREFERENCED_PARAMETER(psDevConnection);

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockAcquire(psRegCfg->hLock);
#endif

	if (eRegCfgType < psRegCfg->eRegCfgTypeToPush)
	{
		PVR_DPF((PVR_DBG_ERROR, 
		         "PVRSRVRGXSetRegConfigTypeKM: Register configuration requested (%d) is not valid since it has to be at least %d."
				 " Configurations of different types need to go in order",
				 eRegCfgType,
				 psRegCfg->eRegCfgTypeToPush));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return PVRSRV_ERROR_REG_CONFIG_INVALID_TYPE;
	}

	psRegCfg->eRegCfgTypeToPush = eRegCfgType;

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockRelease(psRegCfg->hLock);
#endif

	return eError;
#else
	PVR_UNREFERENCED_PARAMETER(psDevConnection);
		
	PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXSetRegConfigTypeKM: Feature disabled. Compile with SUPPORT_USER_REGISTER_CONFIGURATION"));
	return PVRSRV_ERROR_FEATURE_DISABLED;
#endif
}

PVRSRV_ERROR PVRSRVRGXAddRegConfigKM(CONNECTION_DATA * psConnection,
                                     PVRSRV_DEVICE_NODE	*psDeviceNode,
                                     IMG_UINT32		ui32RegAddr,
                                     IMG_UINT64		ui64RegValue,
                                     IMG_UINT64		ui64RegMask)
{
#if defined(SUPPORT_USER_REGISTER_CONFIGURATION)
	PVRSRV_ERROR 		eError = PVRSRV_OK;
	RGXFWIF_KCCB_CMD 	sRegCfgCmd;
	PVRSRV_RGXDEV_INFO 	*psDevInfo = psDeviceNode->pvDevice;
	RGX_REG_CONFIG          *psRegCfg = &psDevInfo->sRegCongfig;

	PVR_UNREFERENCED_PARAMETER(psConnection);

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockAcquire(psRegCfg->hLock);
#endif
	
	if (psRegCfg->bEnabled)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXAddRegConfigKM: Cannot add record whilst register configuration active."));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return PVRSRV_ERROR_REG_CONFIG_ENABLED;
	}
	if (psRegCfg->ui32NumRegRecords == RGXFWIF_REG_CFG_MAX_SIZE)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXAddRegConfigKM: Register configuration full."));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return PVRSRV_ERROR_REG_CONFIG_FULL;
	}

	sRegCfgCmd.eCmdType = RGXFWIF_KCCB_CMD_REGCONFIG;
	sRegCfgCmd.uCmdData.sRegConfigData.sRegConfig.ui64Addr = (IMG_UINT64) ui32RegAddr;
	sRegCfgCmd.uCmdData.sRegConfigData.sRegConfig.ui64Value = ui64RegValue;
	sRegCfgCmd.uCmdData.sRegConfigData.sRegConfig.ui64Mask = ui64RegMask;
	sRegCfgCmd.uCmdData.sRegConfigData.eRegConfigType = psRegCfg->eRegCfgTypeToPush;
	sRegCfgCmd.uCmdData.sRegConfigData.eCmdType = RGXFWIF_REGCFG_CMD_ADD;

	eError = RGXScheduleCommand(psDeviceNode->pvDevice,
				RGXFWIF_DM_GP,
				&sRegCfgCmd,
				sizeof(sRegCfgCmd),
				0,
				PDUMP_FLAGS_CONTINUOUS);
	if (eError != PVRSRV_OK)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXAddRegConfigKM: RGXScheduleCommand failed. Error:%u", eError));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return eError;
	}

	psRegCfg->ui32NumRegRecords++;

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockRelease(psRegCfg->hLock);
#endif

	return eError;
#else
	PVR_UNREFERENCED_PARAMETER(psConnection);
	
	PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXSetRegConfigPIKM: Feature disabled. Compile with SUPPORT_USER_REGISTER_CONFIGURATION"));
	return PVRSRV_ERROR_FEATURE_DISABLED;
#endif
}

PVRSRV_ERROR PVRSRVRGXClearRegConfigKM(CONNECTION_DATA * psConnection,
                                       PVRSRV_DEVICE_NODE	*psDeviceNode)
{
#if defined(SUPPORT_USER_REGISTER_CONFIGURATION)
	PVRSRV_ERROR 		eError = PVRSRV_OK;
	RGXFWIF_KCCB_CMD 	sRegCfgCmd;
	PVRSRV_RGXDEV_INFO 	*psDevInfo = psDeviceNode->pvDevice;
	RGX_REG_CONFIG          *psRegCfg = &psDevInfo->sRegCongfig;

	PVR_UNREFERENCED_PARAMETER(psConnection);

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockAcquire(psRegCfg->hLock);
#endif
	
	if (psRegCfg->bEnabled)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXClearRegConfigKM: Attempt to clear register configuration whilst active."));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return PVRSRV_ERROR_REG_CONFIG_ENABLED;
	}

	sRegCfgCmd.eCmdType = RGXFWIF_KCCB_CMD_REGCONFIG;
	sRegCfgCmd.uCmdData.sRegConfigData.eCmdType = RGXFWIF_REGCFG_CMD_CLEAR;

	eError = RGXScheduleCommand(psDeviceNode->pvDevice,
				RGXFWIF_DM_GP,
				&sRegCfgCmd,
				sizeof(sRegCfgCmd),
				0,
				PDUMP_FLAGS_CONTINUOUS);
	if (eError != PVRSRV_OK)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXClearRegConfigKM: RGXScheduleCommand failed. Error:%u", eError));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return eError;
	}

	psRegCfg->ui32NumRegRecords = 0;
	psRegCfg->eRegCfgTypeToPush = RGXFWIF_REG_CFG_TYPE_PWR_ON;

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockRelease(psRegCfg->hLock);
#endif

	return eError;
#else
	PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXClearRegConfigKM: Feature disabled. Compile with SUPPORT_USER_REGISTER_CONFIGURATION"));

	PVR_UNREFERENCED_PARAMETER(psConnection);
	
	return PVRSRV_ERROR_FEATURE_DISABLED;
#endif
}

PVRSRV_ERROR PVRSRVRGXEnableRegConfigKM(CONNECTION_DATA * psConnection,
                                        PVRSRV_DEVICE_NODE	*psDeviceNode)
{
#if defined(SUPPORT_USER_REGISTER_CONFIGURATION)
	PVRSRV_ERROR 		eError = PVRSRV_OK;
	RGXFWIF_KCCB_CMD 	sRegCfgCmd;
	PVRSRV_RGXDEV_INFO 	*psDevInfo = psDeviceNode->pvDevice;
	RGX_REG_CONFIG          *psRegCfg = &psDevInfo->sRegCongfig;

	PVR_UNREFERENCED_PARAMETER(psConnection);

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockAcquire(psRegCfg->hLock);
#endif

	sRegCfgCmd.eCmdType = RGXFWIF_KCCB_CMD_REGCONFIG;
	sRegCfgCmd.uCmdData.sRegConfigData.eCmdType = RGXFWIF_REGCFG_CMD_ENABLE;

	eError = RGXScheduleCommand(psDeviceNode->pvDevice,
				RGXFWIF_DM_GP,
				&sRegCfgCmd,
				sizeof(sRegCfgCmd),
				0,
				PDUMP_FLAGS_CONTINUOUS);
	if (eError != PVRSRV_OK)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXEnableRegConfigKM: RGXScheduleCommand failed. Error:%u", eError));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return eError;
	}

	psRegCfg->bEnabled = IMG_TRUE;

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockRelease(psRegCfg->hLock);
#endif

	return eError;
#else
	PVR_UNREFERENCED_PARAMETER(psConnection);
	
	PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXEnableRegConfigKM: Feature disabled. Compile with SUPPORT_USER_REGISTER_CONFIGURATION"));
	return PVRSRV_ERROR_FEATURE_DISABLED;
#endif
}

PVRSRV_ERROR PVRSRVRGXDisableRegConfigKM(CONNECTION_DATA * psConnection,
                                         PVRSRV_DEVICE_NODE	*psDeviceNode)
{
#if defined(SUPPORT_USER_REGISTER_CONFIGURATION)
	PVRSRV_ERROR 		eError = PVRSRV_OK;
	RGXFWIF_KCCB_CMD 	sRegCfgCmd;
	PVRSRV_RGXDEV_INFO 	*psDevInfo = psDeviceNode->pvDevice;
	RGX_REG_CONFIG          *psRegCfg = &psDevInfo->sRegCongfig;
	
	PVR_UNREFERENCED_PARAMETER(psConnection);

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockAcquire(psRegCfg->hLock);
#endif

	sRegCfgCmd.eCmdType = RGXFWIF_KCCB_CMD_REGCONFIG;
	sRegCfgCmd.uCmdData.sRegConfigData.eCmdType = RGXFWIF_REGCFG_CMD_DISABLE;

	eError = RGXScheduleCommand(psDeviceNode->pvDevice,
				RGXFWIF_DM_GP,
				&sRegCfgCmd,
				sizeof(sRegCfgCmd),
				0,
				PDUMP_FLAGS_CONTINUOUS);
	if (eError != PVRSRV_OK)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXDisableRegConfigKM: RGXScheduleCommand failed. Error:%u", eError));
#if !defined(PVRSRV_USE_BRIDGE_LOCK)
		OSLockRelease(psRegCfg->hLock);
#endif
		return eError;
	}

	psRegCfg->bEnabled = IMG_FALSE;

#if !defined(PVRSRV_USE_BRIDGE_LOCK)
	OSLockRelease(psRegCfg->hLock);
#endif

	return eError;
#else
	PVR_DPF((PVR_DBG_ERROR, "PVRSRVRGXDisableRegConfigKM: Feature disabled. Compile with SUPPORT_USER_REGISTER_CONFIGURATION"));
	PVR_UNREFERENCED_PARAMETER(psConnection);
		
	return PVRSRV_ERROR_FEATURE_DISABLED;
#endif
}


/******************************************************************************
 End of file (rgxregconfig.c)
******************************************************************************/