/*************************************************************************/ /*!
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@File
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@Title Services script routines used at initialisation time
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description Device specific functions
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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 "rgxsrvinit_script.h"
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#include "srvinit_osfunc.h"
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#include "pvr_debug.h"
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/*!
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*******************************************************************************
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@Function OutOfScriptSpace
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@Description Checks for script space failure
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@Input psScript
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@Return IMG_BOOL
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******************************************************************************/
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static IMG_BOOL OutOfScriptSpace(RGX_SCRIPT_BUILD *psScript)
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{
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if (psScript->ui32CurrComm >= psScript->ui32MaxLen)
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{
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psScript->bOutOfSpace = IMG_TRUE;
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}
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return psScript->bOutOfSpace;
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}
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/*!
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*******************************************************************************
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@Function NextScriptCommand
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@Description Gets next script command to populate
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@Input psScript
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@Return IMG_BOOL
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******************************************************************************/
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static RGX_INIT_COMMAND* NextScriptCommand(RGX_SCRIPT_BUILD *psScript)
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{
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if (OutOfScriptSpace(psScript))
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{
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PVR_DPF((PVR_DBG_ERROR, "NextScriptCommand: Out of space for commands (%d)",
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psScript->ui32MaxLen));
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return NULL;
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}
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return &psScript->psCommands[psScript->ui32CurrComm++];
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}
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IMG_BOOL ScriptWriteRGXReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32Offset,
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IMG_UINT32 ui32Value)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->sWriteHWReg.eOp = RGX_INIT_OP_WRITE_HW_REG;
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psComm->sWriteHWReg.ui32Offset = ui32Offset;
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psComm->sWriteHWReg.ui32Value = ui32Value;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptPoll64RGXReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32Offset,
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IMG_UINT64 ui64Value,
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IMG_UINT64 ui64PollMask)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->sPoll64HWReg.eOp = RGX_INIT_OP_POLL_64_HW_REG;
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psComm->sPoll64HWReg.ui32Offset = ui32Offset;
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psComm->sPoll64HWReg.ui64Value = ui64Value;
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psComm->sPoll64HWReg.ui64Mask = ui64PollMask;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptPollRGXReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32Offset,
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IMG_UINT32 ui32Value,
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IMG_UINT32 ui32PollMask)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->sPollHWReg.eOp = RGX_INIT_OP_POLL_HW_REG;
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psComm->sPollHWReg.ui32Offset = ui32Offset;
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psComm->sPollHWReg.ui32Value = ui32Value;
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psComm->sPollHWReg.ui32Mask = ui32PollMask;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptDBGReadRGXReg(RGX_SCRIPT_BUILD *psScript,
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RGX_INIT_OPERATION eOp,
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IMG_UINT32 ui32Offset,
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IMG_CHAR *pszName)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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PVR_ASSERT((strlen(pszName) + 1) < RGX_DBG_CMD_NAME_SIZE);
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if (psComm != NULL)
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{
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PVR_ASSERT((eOp == RGX_INIT_OP_DBG_READ32_HW_REG) ||
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(eOp == RGX_INIT_OP_DBG_READ64_HW_REG));
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psComm->sDBGReadHWReg.eOp = eOp;
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psComm->sDBGReadHWReg.ui32Offset = ui32Offset;
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strlcpy(psComm->sDBGReadHWReg.aszName, pszName, sizeof(psComm->sDBGReadHWReg.aszName));
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptDBGCalc(RGX_SCRIPT_BUILD *psScript,
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RGX_INIT_OPERATION eOp,
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IMG_UINT32 ui32Offset1,
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IMG_UINT32 ui32Offset2,
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IMG_UINT32 ui32Offset3,
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IMG_CHAR *pszName)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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PVR_ASSERT((strlen(pszName) + 1) < RGX_DBG_CMD_NAME_SIZE);
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if (psComm != NULL)
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{
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PVR_ASSERT(eOp == RGX_INIT_OP_DBG_CALC);
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psComm->sDBGCalc.eOp = eOp;
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psComm->sDBGCalc.ui32Offset1 = ui32Offset1;
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psComm->sDBGCalc.ui32Offset2 = ui32Offset2;
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psComm->sDBGCalc.ui32Offset3 = ui32Offset3;
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strlcpy(psComm->sDBGCalc.aszName, pszName, sizeof(psComm->sDBGReadHWReg.aszName));
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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#if defined(RGX_FEATURE_META) || defined(SUPPORT_KERNEL_SRVINIT)
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IMG_BOOL ScriptWriteRGXRegPDUMPOnly(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32Offset,
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IMG_UINT32 ui32Value)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->sPDumpHWReg.eOp = RGX_INIT_OP_PDUMP_HW_REG;
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psComm->sPDumpHWReg.ui32Offset = ui32Offset;
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psComm->sPDumpHWReg.ui32Value = ui32Value;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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/*!
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*******************************************************************************
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@Function ScriptPrepareReadMetaRegThroughSP
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@Description Add script entries for reading a reg through Meta slave port
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@Input psScript
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@Input ui32RegAddr
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@Return IMG_BOOL
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******************************************************************************/
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static IMG_BOOL ScriptPrepareReadMetaRegThroughSP(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32RegAddr)
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{
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IMG_BOOL bCmdAdded = IMG_FALSE;
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/* Wait for Slave Port to be Ready */
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bCmdAdded = ScriptPollRGXReg(psScript,
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RGX_CR_META_SP_MSLVCTRL1,
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RGX_CR_META_SP_MSLVCTRL1_READY_EN |
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RGX_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
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RGX_CR_META_SP_MSLVCTRL1_READY_EN |
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RGX_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN);
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if (!bCmdAdded) return IMG_FALSE;
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/* Issue a Read */
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bCmdAdded = ScriptWriteRGXReg(psScript,
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RGX_CR_META_SP_MSLVCTRL0,
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ui32RegAddr | RGX_CR_META_SP_MSLVCTRL0_RD_EN);
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if (!bCmdAdded) return IMG_FALSE;
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/* Wait for Slave Port to be Ready: read complete */
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bCmdAdded = ScriptPollRGXReg(psScript,
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RGX_CR_META_SP_MSLVCTRL1,
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RGX_CR_META_SP_MSLVCTRL1_READY_EN |
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RGX_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
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RGX_CR_META_SP_MSLVCTRL1_READY_EN |
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RGX_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN);
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return bCmdAdded;
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}
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IMG_BOOL ScriptDBGReadMetaRegThroughSP(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32RegAddr,
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IMG_CHAR *pszName)
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{
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IMG_BOOL bCmdsAdded = IMG_FALSE;
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/* Issue a Read */
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bCmdsAdded = ScriptPrepareReadMetaRegThroughSP(psScript, ui32RegAddr);
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if (!bCmdsAdded) return IMG_FALSE;
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/* Read the value */
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bCmdsAdded = ScriptDBGReadRGXReg(psScript,
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RGX_INIT_OP_DBG_READ32_HW_REG,
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RGX_CR_META_SP_MSLVDATAX,
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pszName);
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return bCmdsAdded;
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}
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/*!
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*******************************************************************************
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@Function ScriptCondPollRGXReg
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@Description Sets up a script entry for a conditional register poll
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@Input psScript
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@Input ui32CondOffset
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@Input ui32CondValue
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@Input ui32CondPollMask
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@Input ui32Offset
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@Input ui32Value
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@Input ui32PollMask
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@return IMG_BOOL
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******************************************************************************/
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static IMG_BOOL ScriptCondPollRGXReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32CondOffset,
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IMG_UINT32 ui32CondValue,
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IMG_UINT32 ui32CondPollMask,
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IMG_UINT32 ui32Offset,
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IMG_UINT32 ui32Value,
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IMG_UINT32 ui32PollMask)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->sCondPollHWReg.eOp = RGX_INIT_OP_COND_POLL_HW_REG;
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psComm->sCondPollHWReg.ui32CondOffset = ui32CondOffset;
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psComm->sCondPollHWReg.ui32CondValue = ui32CondValue;
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psComm->sCondPollHWReg.ui32CondMask = ui32CondPollMask;
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psComm->sCondPollHWReg.ui32Offset = ui32Offset;
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psComm->sCondPollHWReg.ui32Value = ui32Value;
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psComm->sCondPollHWReg.ui32Mask = ui32PollMask;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptMetaRegCondPollRGXReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32MetaRegAddr,
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IMG_UINT32 ui32MetaRegValue,
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IMG_UINT32 ui32MetaRegMask,
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IMG_UINT32 ui32RegAddr,
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IMG_UINT32 ui32RegValue,
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IMG_UINT32 ui32RegMask)
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{
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IMG_BOOL bCmdsAdded = IMG_FALSE;
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/* Issue a Read */
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bCmdsAdded = ScriptPrepareReadMetaRegThroughSP(psScript, ui32MetaRegAddr);
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if (!bCmdsAdded) return IMG_FALSE;
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/* Read the value */
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bCmdsAdded = ScriptCondPollRGXReg(psScript,
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RGX_CR_META_SP_MSLVDATAX,
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ui32MetaRegValue,
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ui32MetaRegMask,
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ui32RegAddr,
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ui32RegValue,
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ui32RegMask);
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return bCmdsAdded;
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}
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IMG_BOOL ScriptWriteMetaRegThroughSP(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32RegAddr,
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IMG_UINT32 ui32RegValue)
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{
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IMG_BOOL bCmdAdded = IMG_FALSE;
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/* Wait for Slave Port to be Ready */
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bCmdAdded = ScriptPollRGXReg(psScript,
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RGX_CR_META_SP_MSLVCTRL1,
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RGX_CR_META_SP_MSLVCTRL1_READY_EN |
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RGX_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN,
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RGX_CR_META_SP_MSLVCTRL1_READY_EN |
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RGX_CR_META_SP_MSLVCTRL1_GBLPORT_IDLE_EN);
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if (!bCmdAdded) return IMG_FALSE;
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/* Issue a Write */
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bCmdAdded = ScriptWriteRGXReg(psScript,
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RGX_CR_META_SP_MSLVCTRL0,
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ui32RegAddr);
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if (!bCmdAdded) return IMG_FALSE;
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bCmdAdded = ScriptWriteRGXReg(psScript,
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RGX_CR_META_SP_MSLVDATAT,
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ui32RegValue);
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/* Wait for complete to be done on the next attempt to read/write */
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return bCmdAdded;
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}
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/*!
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*******************************************************************************
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@Function ScriptInsertLoopPoint
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@Description Inserts a loop point in the startup script
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@Input psScript
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@Return IMG_BOOL
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******************************************************************************/
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static IMG_BOOL ScriptInsertLoopPoint(RGX_SCRIPT_BUILD *psScript)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->eOp = RGX_INIT_OP_LOOP_POINT;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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/*!
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*******************************************************************************
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@Function ScriptConditionalBranchOnReg
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@Description Conditionally branches back to the last loop point in the script.
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Condition is satisfied by the contents of a register
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@Input psScript
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@Input ui32Offset
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@Input ui32Value
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@Input ui32Mask
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@Return IMG_BOOL
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******************************************************************************/
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static IMG_BOOL ScriptConditionalBranchOnReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32Offset,
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IMG_UINT32 ui32Value,
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IMG_UINT32 ui32Mask)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->eOp = RGX_INIT_OP_COND_BRANCH;
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psComm->sConditionalBranchPoint.ui32Offset = ui32Offset;
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psComm->sConditionalBranchPoint.ui32Value = ui32Value;
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psComm->sConditionalBranchPoint.ui32Mask = ui32Mask;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptPollMetaRegThroughSP(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32Offset,
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IMG_UINT32 ui32PollValue,
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IMG_UINT32 ui32PollMask)
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{
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IMG_BOOL bCmdsAdded = IMG_FALSE;
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bCmdsAdded = ScriptInsertLoopPoint(psScript);
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if (!bCmdsAdded) return IMG_FALSE;
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bCmdsAdded = ScriptPrepareReadMetaRegThroughSP(psScript, ui32Offset);
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if (!bCmdsAdded) return IMG_FALSE;
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bCmdsAdded = ScriptConditionalBranchOnReg(psScript,
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RGX_CR_META_SP_MSLVDATAX,
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ui32PollValue,
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ui32PollMask);
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return bCmdsAdded;
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}
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IMG_BOOL ScriptDBGReadMetaCoreReg(RGX_SCRIPT_BUILD *psScript,
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IMG_UINT32 ui32RegAddr,
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IMG_CHAR *pszName)
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{
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IMG_BOOL bCmdsAdded = IMG_FALSE;
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/* Core Read Ready? */
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bCmdsAdded = ScriptPollMetaRegThroughSP(psScript,
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META_CR_TXUXXRXRQ_OFFSET,
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META_CR_TXUXXRXRQ_DREADY_BIT,
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META_CR_TXUXXRXRQ_DREADY_BIT);
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/* Set the reg we are interested in reading */
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bCmdsAdded = ScriptWriteMetaRegThroughSP(psScript,
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META_CR_TXUXXRXRQ_OFFSET,
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ui32RegAddr | META_CR_TXUXXRXRQ_RDnWR_BIT);
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if (!bCmdsAdded) return IMG_FALSE;
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/* Core Read Done? */
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bCmdsAdded = ScriptPollMetaRegThroughSP(psScript,
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META_CR_TXUXXRXRQ_OFFSET,
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META_CR_TXUXXRXRQ_DREADY_BIT,
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META_CR_TXUXXRXRQ_DREADY_BIT);
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/* Read the value */
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ScriptDBGReadMetaRegThroughSP(psScript, META_CR_TXUXXRXDT_OFFSET, pszName);
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return IMG_TRUE;
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}
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#endif /* RGX_FEATURE_META */
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IMG_BOOL ScriptDBGString(RGX_SCRIPT_BUILD *psScript,
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const IMG_CHAR *aszString)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->sDBGString.eOp = RGX_INIT_OP_DBG_STRING;
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strcpy(psComm->sDBGString.aszString, aszString);
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if (strlen(aszString) >= (sizeof(psComm->sDBGString.aszString) - 2))
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{
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psComm->sDBGString.aszString[RGX_DBG_CMD_NAME_SIZE-1] = '\0';
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}
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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IMG_BOOL ScriptHalt(RGX_SCRIPT_BUILD *psScript)
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{
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RGX_INIT_COMMAND *psComm = NextScriptCommand(psScript);
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if (psComm != NULL)
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{
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psComm->eOp = RGX_INIT_OP_HALT;
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return IMG_TRUE;
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}
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return IMG_FALSE;
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}
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/******************************************************************************
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End of file (rgxsrvinit_script.c)
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******************************************************************************/
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