replaced DMA API routines by fresh download with originals

moved more interrupt handlers to generalized handler
cleaned up lowlevel interrupt handling
fixed wrong assignment of interrupt masks
reformatted
This commit is contained in:
Markus Fröschle
2015-01-11 10:27:36 +00:00
parent df28a267da
commit d860191121
14 changed files with 842 additions and 873 deletions

View File

@@ -8,7 +8,6 @@
#include "MCD_dma.h"
#include "MCD_tasksInit.h"
#include "MCD_progCheck.h"
#include "bas_types.h"
/********************************************************************/
/*
@@ -30,6 +29,7 @@ extern TaskTableEntry MCD_modelTaskTableSrc[NUMOFVARIANTS];
volatile TaskTableEntry *MCD_taskTable;
TaskTableEntry *MCD_modelTaskTable;
/*
* MCD_chStatus[] is an array of status indicators for remembering
* whether a DMA has ever been attempted on each channel, pausing
@@ -46,8 +46,8 @@ static int MCD_chStatus[NCHANNELS] =
/*
* Prototypes for local functions
*/
static void MCD_memcpy(int *dest, int *src, uint32_t size);
static void MCD_resmActions(int channel);
static void MCD_memcpy (int *dest, int *src, u32 size);
static void MCD_resmActions (int channel);
/*
* Buffer descriptors used for storage of progress info for single Dmas
@@ -61,6 +61,7 @@ MCD_bufDesc MCD_singleBufDescs[NCHANNELS];
#endif
MCD_bufDesc *MCD_relocBuffDesc;
/*
* Defines for the debug control register's functions
*/
@@ -117,11 +118,11 @@ MCD_bufDesc *MCD_relocBuffDesc;
typedef struct MCD_remVariants_struct MCD_remVariant;
struct MCD_remVariants_struct
{
int remDestRsdIncr[NCHANNELS]; /* -1,0,1 */
int remSrcRsdIncr[NCHANNELS]; /* -1,0,1 */
int16_t remDestIncr[NCHANNELS]; /* DestIncr */
int16_t remSrcIncr[NCHANNELS]; /* srcIncr */
uint32_t remXferSize[NCHANNELS]; /* xferSize */
int remDestRsdIncr[NCHANNELS]; /* -1,0,1 */
int remSrcRsdIncr[NCHANNELS]; /* -1,0,1 */
s16 remDestIncr[NCHANNELS]; /* DestIncr */
s16 remSrcIncr[NCHANNELS]; /* srcIncr */
u32 remXferSize[NCHANNELS]; /* xferSize */
};
/*
@@ -142,9 +143,9 @@ MCD_remVariant MCD_remVariants;
* MCD_TABLE_UNALIGNED if taskTableDest is not 512-byte aligned
* MCD_OK otherwise
*/
extern uint32_t MCD_funcDescTab0[];
extern u32 MCD_funcDescTab0[];
int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
int MCD_initDma (dmaRegs *dmaBarAddr, void *taskTableDest, u32 flags)
{
int i;
TaskTableEntry *entryPtr;
@@ -156,7 +157,7 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
if ((flags & MCD_RELOC_TASKS) != 0)
{
int fixedSize;
uint32_t *fixedPtr;
u32 *fixedPtr;
/*int *tablePtr = taskTableDest;TBD*/
int varTabsOffset, funcDescTabsOffset, contextSavesOffset;
int taskDescTabsOffset;
@@ -166,8 +167,8 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
int i;
/* check if physical address is aligned on 512 byte boundary */
if (((uint32_t) taskTableDest & 0x000001ff) != 0)
return (MCD_TABLE_UNALIGNED);
if (((u32)taskTableDest & 0x000001ff) != 0)
return(MCD_TABLE_UNALIGNED);
MCD_taskTable = taskTableDest; /* set up local pointer to task Table */
@@ -182,7 +183,7 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
taskTableSize = NCHANNELS * sizeof(TaskTableEntry);
/* align variable tables to size */
varTabsOffset = taskTableSize + (uint32_t) taskTableDest;
varTabsOffset = taskTableSize + (u32)taskTableDest;
if ((varTabsOffset & (VAR_TAB_SIZE - 1)) != 0)
varTabsOffset = (varTabsOffset + VAR_TAB_SIZE) & (~VAR_TAB_SIZE);
/* align function descriptor tables */
@@ -190,28 +191,27 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
funcDescTabsOffset = varTabsOffset + varTabsSize;
if ((funcDescTabsOffset & (FUNCDESC_TAB_SIZE - 1)) != 0)
funcDescTabsOffset = (funcDescTabsOffset + FUNCDESC_TAB_SIZE)
& (~FUNCDESC_TAB_SIZE);
funcDescTabsOffset = (funcDescTabsOffset + FUNCDESC_TAB_SIZE) &
(~FUNCDESC_TAB_SIZE);
funcDescTabsSize = FUNCDESC_TAB_NUM * FUNCDESC_TAB_SIZE;
contextSavesOffset = funcDescTabsOffset + funcDescTabsSize;
contextSavesSize = (NCHANNELS * CONTEXT_SAVE_SIZE);
fixedSize = taskTableSize + varTabsSize + funcDescTabsSize
+ contextSavesSize;
fixedSize = taskTableSize + varTabsSize + funcDescTabsSize +
contextSavesSize;
/* zero the thing out */
fixedPtr = (uint32_t *) taskTableDest;
for (i = 0; i < (fixedSize / 4); i++)
fixedPtr = (u32 *)taskTableDest;
for (i = 0;i<(fixedSize/4);i++)
fixedPtr[i] = 0;
entryPtr = (TaskTableEntry*) MCD_taskTable;
entryPtr = (TaskTableEntry*)MCD_taskTable;
/* set up fixed pointers */
for (i = 0; i < NCHANNELS; i++)
{
entryPtr[i].varTab = (uint32_t) varTabsOffset; /* update ptr to local value */
entryPtr[i].FDTandFlags = (uint32_t) funcDescTabsOffset
| MCD_TT_FLAGS_DEF;
entryPtr[i].contextSaveSpace = (uint32_t) contextSavesOffset;
entryPtr[i].varTab = (u32)varTabsOffset; /* update ptr to local value */
entryPtr[i].FDTandFlags = (u32)funcDescTabsOffset | MCD_TT_FLAGS_DEF;
entryPtr[i].contextSaveSpace = (u32)contextSavesOffset;
varTabsOffset += VAR_TAB_SIZE;
#ifdef MCD_INCLUDE_EU /* if not there is only one, just point to the same one */
funcDescTabsOffset += FUNCDESC_TAB_SIZE;
@@ -219,37 +219,36 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
contextSavesOffset += CONTEXT_SAVE_SIZE;
}
/* copy over the function descriptor table */
for (i = 0; i < FUNCDESC_TAB_NUM; i++)
for ( i = 0; i < FUNCDESC_TAB_NUM; i++)
{
MCD_memcpy((void*) (entryPtr[i].FDTandFlags & ~MCD_TT_FLAGS_MASK),
(void*) MCD_funcDescTab0, FUNCDESC_TAB_SIZE);
MCD_memcpy((void*)(entryPtr[i].FDTandFlags & ~MCD_TT_FLAGS_MASK),
(void*)MCD_funcDescTab0, FUNCDESC_TAB_SIZE);
}
/* copy model task table to where the context saves stuff leaves off*/
MCD_modelTaskTable = (TaskTableEntry*) contextSavesOffset;
MCD_modelTaskTable = (TaskTableEntry*)contextSavesOffset;
MCD_memcpy((void*) MCD_modelTaskTable, (void*) MCD_modelTaskTableSrc,
NUMOFVARIANTS * sizeof(TaskTableEntry));
MCD_memcpy ((void*)MCD_modelTaskTable, (void*)MCD_modelTaskTableSrc,
NUMOFVARIANTS * sizeof(TaskTableEntry));
entryPtr = MCD_modelTaskTable; /* point to local version of
model task table */
taskDescTabsOffset = (uint32_t) MCD_modelTaskTable
+ (NUMOFVARIANTS * sizeof(TaskTableEntry));
model task table */
taskDescTabsOffset = (u32)MCD_modelTaskTable +
(NUMOFVARIANTS * sizeof(TaskTableEntry));
/* copy actual task code and update TDT ptrs in local model task table */
for (i = 0; i < NUMOFVARIANTS; i++)
{
taskDescTabSize = entryPtr[i].TDTend - entryPtr[i].TDTstart + 4;
MCD_memcpy((void*) taskDescTabsOffset, (void*) entryPtr[i].TDTstart,
taskDescTabSize);
entryPtr[i].TDTstart = (uint32_t) taskDescTabsOffset;
MCD_memcpy ((void*)taskDescTabsOffset, (void*)entryPtr[i].TDTstart, taskDescTabSize);
entryPtr[i].TDTstart = (u32)taskDescTabsOffset;
taskDescTabsOffset += taskDescTabSize;
entryPtr[i].TDTend = (uint32_t) taskDescTabsOffset - 4;
entryPtr[i].TDTend = (u32)taskDescTabsOffset - 4;
}
#ifdef MCD_INCLUDE_EU /* Tack single DMA BDs onto end of code so API controls
where they are since DMA might write to them */
where they are since DMA might write to them */
MCD_relocBuffDesc = (MCD_bufDesc*)(entryPtr[NUMOFVARIANTS - 1].TDTend + 4);
#else /* DMA does not touch them so they can be wherever and we don't need to
#else /* DMA does not touch them so they can be wherever and we don't need to
waste SRAM on them */
MCD_relocBuffDesc = MCD_singleBufDescs;
#endif
@@ -257,20 +256,20 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
else
{
/* point the would-be relocated task tables and the
buffer descriptors to the ones the linker generated */
buffer descriptors to the ones the linker generated */
if (((uint32_t) MCD_realTaskTableSrc & 0x000001ff) != 0)
return (MCD_TABLE_UNALIGNED);
if (((u32)MCD_realTaskTableSrc & 0x000001ff) != 0)
return(MCD_TABLE_UNALIGNED);
/* need to add code to make sure that every thing else is aligned properly TBD*/
/* this is problematic if we init more than once or after running tasks,
need to add variable to see if we have aleady init'd */
need to add variable to see if we have aleady init'd */
entryPtr = MCD_realTaskTableSrc;
for (i = 0; i < NCHANNELS; i++)
{
if (((entryPtr[i].varTab & (VAR_TAB_SIZE - 1)) != 0)
|| ((entryPtr[i].FDTandFlags & (FUNCDESC_TAB_SIZE - 1)) != 0))
return (MCD_TABLE_UNALIGNED);
if (((entryPtr[i].varTab & (VAR_TAB_SIZE - 1)) != 0) ||
((entryPtr[i].FDTandFlags & (FUNCDESC_TAB_SIZE - 1)) != 0))
return(MCD_TABLE_UNALIGNED);
}
MCD_taskTable = MCD_realTaskTableSrc;
@@ -278,29 +277,30 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
MCD_relocBuffDesc = MCD_singleBufDescs;
}
/* Make all channels as totally inactive, and remember them as such: */
MCD_dmaBar->taskbar = (uint32_t) MCD_taskTable;
for (i = 0; i < NCHANNELS; i++)
MCD_dmaBar->taskbar = (u32) MCD_taskTable;
for (i = 0; i < NCHANNELS; i++)
{
MCD_dmaBar->taskControl[i] = 0x0;
MCD_chStatus[i] = MCD_NO_DMA;
}
/* Set up pausing mechanism to inactive state: */
MCD_dmaBar->debugComp1 = 0; /* no particular values yet for either comparator registers */
/* Set up pausing mechanism to inactive state: */
MCD_dmaBar->debugComp1 = 0; /* no particular values yet for either comparator registers */
MCD_dmaBar->debugComp2 = 0;
MCD_dmaBar->debugControl = DBG_CTL_DISABLE;
MCD_dmaBar->debugStatus = DBG_KILL_ALL_STAT;
/* enable or disable commbus prefetch, really need an ifdef or
something to keep from trying to set this in the 8220 */
something to keep from trying to set this in the 8220 */
if ((flags & MCD_COMM_PREFETCH_EN) != 0)
MCD_dmaBar->ptdControl &= ~PTD_CTL_COMM_PREFETCH;
else
MCD_dmaBar->ptdControl |= PTD_CTL_COMM_PREFETCH;
return (MCD_OK);
return(MCD_OK);
}
/*********************** End of MCD_initDma() ***********************/
@@ -310,35 +310,35 @@ int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, uint32_t flags)
* Arguments: channel - channel number
* Returns: Predefined status indicators
*/
int MCD_dmaStatus(int channel)
int MCD_dmaStatus (int channel)
{
uint16_t tcrValue;
u16 tcrValue;
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
tcrValue = MCD_dmaBar->taskControl[channel];
if ((tcrValue & TASK_CTL_EN) == 0)
{ /* nothing running */
{ /* nothing running */
/* if last reported with task enabled */
if (MCD_chStatus[channel] == MCD_RUNNING
|| MCD_chStatus[channel] == MCD_IDLE)
if ( MCD_chStatus[channel] == MCD_RUNNING
|| MCD_chStatus[channel] == MCD_IDLE)
MCD_chStatus[channel] = MCD_DONE;
}
else /* something is running */
{
/* There are three possibilities: paused, running or idle. */
if (MCD_chStatus[channel] == MCD_RUNNING
|| MCD_chStatus[channel] == MCD_IDLE)
if ( MCD_chStatus[channel] == MCD_RUNNING
|| MCD_chStatus[channel] == MCD_IDLE)
{
MCD_dmaBar->ptdDebug = PTD_DBG_TSK_VLD_INIT;
/* This register is selected to know which initiator is
actually asserted. */
if ((MCD_dmaBar->ptdDebug >> channel) & 0x1)
actually asserted. */
if ((MCD_dmaBar->ptdDebug >> channel ) & 0x1 )
MCD_chStatus[channel] = MCD_RUNNING;
else
MCD_chStatus[channel] = MCD_IDLE;
/* do not change the status if it is already paused. */
/* do not change the status if it is already paused. */
}
}
return MCD_chStatus[channel];
@@ -352,48 +352,49 @@ int MCD_dmaStatus(int channel)
* Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK
*/
int MCD_startDma(int channel, /* the channel on which to run the DMA */
int8_t *srcAddr, /* the address to move data from, or physical buffer-descriptor address */
int16_t srcIncr, /* the amount to increment the source address per transfer */
int8_t *destAddr, /* the address to move data to */
int16_t destIncr, /* the amount to increment the destination address per transfer */
uint32_t dmaSize, /* the number of bytes to transfer independent of the transfer size */
uint32_t xferSize, /* the number bytes in of each data movement (1, 2, or 4) */
uint32_t initiator, /* what device initiates the DMA */
int priority, /* priority of the DMA */
uint32_t flags, /* flags describing the DMA */
uint32_t funcDesc /* a description of byte swapping, bit swapping, and CRC actions */
int MCD_startDma (
int channel, /* the channel on which to run the DMA */
s8 *srcAddr, /* the address to move data from, or physical buffer-descriptor address */
s16 srcIncr, /* the amount to increment the source address per transfer */
s8 *destAddr, /* the address to move data to */
s16 destIncr, /* the amount to increment the destination address per transfer */
u32 dmaSize, /* the number of bytes to transfer independent of the transfer size */
u32 xferSize, /* the number bytes in of each data movement (1, 2, or 4) */
u32 initiator, /* what device initiates the DMA */
int priority, /* priority of the DMA */
u32 flags, /* flags describing the DMA */
u32 funcDesc /* a description of byte swapping, bit swapping, and CRC actions */
#ifdef MCD_NEED_ADDR_TRANS
int8_t *srcAddrVirt /* virtual buffer descriptor address TBD*/
s8 *srcAddrVirt /* virtual buffer descriptor address TBD*/
#endif
)
)
{
int srcRsdIncr, destRsdIncr;
int *cSave;
short xferSizeIncr;
int tcrCount = 0;
#ifdef MCD_INCLUDE_EU
uint32_t *realFuncArray;
u32 *realFuncArray;
#endif
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
/* tbd - need to determine the proper response to a bad funcDesc when not
including EU functions, for now, assign a benign funcDesc, but maybe
should return an error */
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
/* tbd - need to determine the proper response to a bad funcDesc when not
including EU functions, for now, assign a benign funcDesc, but maybe
should return an error */
#ifndef MCD_INCLUDE_EU
funcDesc = MCD_FUNC_NOEU1;
#endif
#ifdef MCD_DEBUG
printf("startDma:Setting up params\n");
printf("startDma:Setting up params\n");
#endif
/* Set us up for task-wise priority. We don't technically need to do this on every start, but
since the register involved is in the same longword as other registers that users are in control
of, setting it more than once is probably preferable. That since the documentation doesn't seem
to be completely consistent about the nature of the PTD control register. */
MCD_dmaBar->ptdControl |= (uint16_t) 0x8000;
/* Set us up for task-wise priority. We don't technically need to do this on every start, but
since the register involved is in the same longword as other registers that users are in control
of, setting it more than once is probably preferable. That since the documentation doesn't seem
to be completely consistent about the nature of the PTD control register. */
MCD_dmaBar->ptdControl |= (u16) 0x8000;
#if 1 /* Not sure what we need to keep here rtm TBD */
/* Calculate additional parameters to the regular DMA calls. */
srcRsdIncr = srcIncr < 0 ? -1 : (srcIncr > 0 ? 1 : 0);
@@ -409,49 +410,47 @@ int MCD_startDma(int channel, /* the channel on which to run the DMA */
MCD_remVariants.remXferSize[channel] = xferSize;
#endif
cSave = (int*) (MCD_taskTable[channel].contextSaveSpace) + CSAVE_OFFSET
+ CURRBD;
cSave = (int*)(MCD_taskTable[channel].contextSaveSpace) + CSAVE_OFFSET + CURRBD;
#ifdef MCD_INCLUDE_EU /* may move this to EU specific calls */
realFuncArray = (uint32_t *) (MCD_taskTable[channel].FDTandFlags & 0xffffff00);
realFuncArray = (u32 *) (MCD_taskTable[channel].FDTandFlags & 0xffffff00);
/* Modify the LURC's normal and byte-residue-loop functions according to parameter. */
realFuncArray[(LURC*16)] = xferSize == 4 ? funcDesc : xferSize == 2 ? funcDesc & 0xfffff00f : funcDesc & 0xffff000f;
realFuncArray[(LURC*16)] = xferSize == 4 ?
funcDesc : xferSize == 2 ?
funcDesc & 0xfffff00f : funcDesc & 0xffff000f;
realFuncArray[(LURC*16+1)] = (funcDesc & MCD_BYTE_SWAP_KILLER) | MCD_NO_BYTE_SWAP_ATALL;
#endif
/*
* Write the initiator field in the TCR, and also set the initiator-hold
* bit. Note that,due to a hardware quirk, this could collide with an
* MDE access to the initiator-register file, so we have to verify that the write
* reads back correctly.
*/
/* Write the initiator field in the TCR, and also set the initiator-hold
bit. Note that,due to a hardware quirk, this could collide with an
MDE access to the initiator-register file, so we have to verify that the write
reads back correctly. */
MCD_dmaBar->taskControl[channel] = (initiator << 8) | TASK_CTL_HIPRITSKEN
| TASK_CTL_HLDINITNUM;
MCD_dmaBar->taskControl[channel] =
(initiator << 8) | TASK_CTL_HIPRITSKEN | TASK_CTL_HLDINITNUM;
while (((MCD_dmaBar->taskControl[channel] & 0x1fff)
!= ((initiator << 8) | TASK_CTL_HIPRITSKEN | TASK_CTL_HLDINITNUM))
&& (tcrCount < 1000))
while(((MCD_dmaBar->taskControl[channel] & 0x1fff) !=
((initiator << 8) | TASK_CTL_HIPRITSKEN | TASK_CTL_HLDINITNUM)) &&
(tcrCount < 1000))
{
tcrCount++;
/*MCD_dmaBar->ptd_tcr[channel] = (initiator << 8) | 0x0020;*/
MCD_dmaBar->taskControl[channel] = (initiator << 8)
| TASK_CTL_HIPRITSKEN | TASK_CTL_HLDINITNUM;
MCD_dmaBar->taskControl[channel] =
(initiator << 8) | TASK_CTL_HIPRITSKEN | TASK_CTL_HLDINITNUM;
}
MCD_dmaBar->priority[channel] = (uint8_t) priority & PRIORITY_PRI_MASK;
MCD_dmaBar->priority[channel] = (u8)priority & PRIORITY_PRI_MASK;
/* should be albe to handle this stuff with only one write to ts reg - tbd */
if (channel < 8 && channel >= 0)
{
MCD_dmaBar->taskSize0 &= ~(0xf << (7 - channel) * 4);
MCD_dmaBar->taskSize0 |= (xferSize & 3) << (((7 - channel) * 4) + 2);
MCD_dmaBar->taskSize0 |= (xferSize & 3) << ((7 - channel) * 4);
MCD_dmaBar->taskSize0 &= ~(0xf << (7-channel)*4);
MCD_dmaBar->taskSize0 |= (xferSize & 3) << (((7 - channel)*4) + 2);
MCD_dmaBar->taskSize0 |= (xferSize & 3) << ((7 - channel)*4);
}
else
{
MCD_dmaBar->taskSize1 &= ~(0xf << (15 - channel) * 4);
MCD_dmaBar->taskSize1 |= (xferSize & 3) << (((15 - channel) * 4) + 2);
MCD_dmaBar->taskSize1 |= (xferSize & 3) << ((15 - channel) * 4);
MCD_dmaBar->taskSize1 &= ~(0xf << (15-channel)*4);
MCD_dmaBar->taskSize1 |= (xferSize & 3) << (((15 - channel)*4) + 2);
MCD_dmaBar->taskSize1 |= (xferSize & 3) << ((15 - channel)*4);
}
/* setup task table flags/options which mostly control the line buffers */
@@ -461,113 +460,94 @@ int MCD_startDma(int channel, /* the channel on which to run the DMA */
if (flags & MCD_FECTX_DMA)
{
/* TDTStart and TDTEnd */
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_FECTX].TDTstart;
MCD_taskTable[channel].TDTstart = MCD_modelTaskTable[TASK_FECTX].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_FECTX].TDTend;
MCD_startDmaENetXmit(srcAddr, srcAddr, destAddr, MCD_taskTable, channel);
}
else if (flags & MCD_FECRX_DMA)
{
/* TDTStart and TDTEnd */
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_FECRX].TDTstart;
MCD_taskTable[channel].TDTstart = MCD_modelTaskTable[TASK_FECRX].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_FECRX].TDTend;
MCD_startDmaENetRcv(srcAddr, srcAddr, destAddr, MCD_taskTable, channel);
}
else if (flags & MCD_SINGLE_DMA)
else if(flags & MCD_SINGLE_DMA)
{
/*
* this buffer descriptor is used for storing off initial parameters for later
* progress query calculation and for the DMA to write the resulting checksum
* The DMA does not use this to determine how to operate, that info is passed
* with the init routine
*/
/* this buffer descriptor is used for storing off initial parameters for later
progress query calculation and for the DMA to write the resulting checksum
The DMA does not use this to determine how to operate, that info is passed
with the init routine*/
MCD_relocBuffDesc[channel].srcAddr = srcAddr;
MCD_relocBuffDesc[channel].destAddr = destAddr;
MCD_relocBuffDesc[channel].lastDestAddr = destAddr; /* definitely not its final value */
MCD_relocBuffDesc[channel].lastDestAddr = destAddr; /* definitely not its final value */
MCD_relocBuffDesc[channel].dmaSize = dmaSize;
MCD_relocBuffDesc[channel].flags = 0; /* not used */
MCD_relocBuffDesc[channel].csumResult = 0; /* not used */
MCD_relocBuffDesc[channel].next = 0; /* not used */
MCD_relocBuffDesc[channel].flags = 0; /* not used */
MCD_relocBuffDesc[channel].csumResult = 0; /* not used */
MCD_relocBuffDesc[channel].next = 0; /* not used */
/* Initialize the progress-querying stuff to show no progress:*/
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[SRCPTR
+ CSAVE_OFFSET] = (int) srcAddr;
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[DESTPTR
+ CSAVE_OFFSET] = (int) destAddr;
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[DCOUNT
+ CSAVE_OFFSET] = 0;
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[CURRBD
+ CSAVE_OFFSET] = (uint32_t) &(MCD_relocBuffDesc[channel]);
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET] = (int)srcAddr;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET] = (int)destAddr;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[DCOUNT + CSAVE_OFFSET] = 0;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[CURRBD + CSAVE_OFFSET] =
(u32) &(MCD_relocBuffDesc[channel]);
/* tbd - need to keep the user from trying to call the EU routine
when MCD_INCLUDE_EU is not defined */
if (funcDesc == MCD_FUNC_NOEU1 || funcDesc == MCD_FUNC_NOEU2)
when MCD_INCLUDE_EU is not defined */
if( funcDesc == MCD_FUNC_NOEU1 || funcDesc == MCD_FUNC_NOEU2)
{
/* TDTStart and TDTEnd */
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_SINGLENOEU].TDTstart;
MCD_taskTable[channel].TDTend =
MCD_modelTaskTable[TASK_SINGLENOEU].TDTend;
MCD_startDmaSingleNoEu(srcAddr, srcIncr, destAddr, destIncr,
dmaSize, xferSizeIncr, flags,
(int *) &(MCD_relocBuffDesc[channel]), cSave, MCD_taskTable,
channel);
/* TDTStart and TDTEnd */
MCD_taskTable[channel].TDTstart = MCD_modelTaskTable[TASK_SINGLENOEU].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_SINGLENOEU].TDTend;
MCD_startDmaSingleNoEu(srcAddr, srcIncr, destAddr, destIncr, dmaSize,
xferSizeIncr, flags, (int *)&(MCD_relocBuffDesc[channel]), cSave,
MCD_taskTable, channel);
}
else
{
/* TDTStart and TDTEnd */
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_SINGLEEU].TDTstart;
MCD_taskTable[channel].TDTend =
MCD_modelTaskTable[TASK_SINGLEEU].TDTend;
MCD_startDmaSingleEu(srcAddr, srcIncr, destAddr, destIncr, dmaSize,
xferSizeIncr, flags, (int *) &(MCD_relocBuffDesc[channel]),
cSave, MCD_taskTable, channel);
/* TDTStart and TDTEnd */
MCD_taskTable[channel].TDTstart = MCD_modelTaskTable[TASK_SINGLEEU].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_SINGLEEU].TDTend;
MCD_startDmaSingleEu(srcAddr, srcIncr, destAddr, destIncr, dmaSize,
xferSizeIncr, flags, (int *)&(MCD_relocBuffDesc[channel]), cSave,
MCD_taskTable, channel);
}
}
else
{ /* chained DMAS */
/* Initialize the progress-querying stuff to show no progress:*/
#if 1 /* (!defined(MCD_NEED_ADDR_TRANS)) */
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[SRCPTR
+ CSAVE_OFFSET] = (int) ((MCD_bufDesc*) srcAddr)->srcAddr;
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[DESTPTR
+ CSAVE_OFFSET] = (int) ((MCD_bufDesc*) srcAddr)->destAddr;
#else /* if using address translation, need the virtual addr of the first buffdesc */
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET]
= (int)((MCD_bufDesc*) srcAddrVirt)->srcAddr;
= (int)((MCD_bufDesc*) srcAddr)->srcAddr;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET]
= (int)((MCD_bufDesc*) srcAddrVirt)->destAddr;
= (int)((MCD_bufDesc*) srcAddr)->destAddr;
#else /* if using address translation, need the virtual addr of the first buffdesc */
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET]
= (int)((MCD_bufDesc*) srcAddrVirt)->srcAddr;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET]
= (int)((MCD_bufDesc*) srcAddrVirt)->destAddr;
#endif
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[DCOUNT
+ CSAVE_OFFSET] = 0;
((volatile int *) MCD_taskTable[channel].contextSaveSpace)[CURRBD
+ CSAVE_OFFSET] = (uint32_t) srcAddr;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[DCOUNT + CSAVE_OFFSET] = 0;
((volatile int *)MCD_taskTable[channel].contextSaveSpace)[CURRBD + CSAVE_OFFSET] = (u32) srcAddr;
if (funcDesc == MCD_FUNC_NOEU1 || funcDesc == MCD_FUNC_NOEU2)
if( funcDesc == MCD_FUNC_NOEU1 || funcDesc == MCD_FUNC_NOEU2)
{
/*TDTStart and TDTEnd*/
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_CHAINNOEU].TDTstart;
MCD_taskTable[channel].TDTend =
MCD_modelTaskTable[TASK_CHAINNOEU].TDTend;
MCD_startDmaChainNoEu((int *) srcAddr, srcIncr, destIncr, xferSize,
xferSizeIncr, cSave, MCD_taskTable, channel);
/*TDTStart and TDTEnd*/
MCD_taskTable[channel].TDTstart = MCD_modelTaskTable[TASK_CHAINNOEU].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_CHAINNOEU].TDTend;
MCD_startDmaChainNoEu((int *)srcAddr, srcIncr, destIncr, xferSize,
xferSizeIncr, cSave, MCD_taskTable, channel);
}
else
{
/*TDTStart and TDTEnd*/
MCD_taskTable[channel].TDTstart =
MCD_modelTaskTable[TASK_CHAINEU].TDTstart;
MCD_taskTable[channel].TDTend =
MCD_modelTaskTable[TASK_CHAINEU].TDTend;
MCD_startDmaChainEu((int *) srcAddr, srcIncr, destIncr, xferSize,
xferSizeIncr, cSave, MCD_taskTable, channel);
/*TDTStart and TDTEnd*/
MCD_taskTable[channel].TDTstart = MCD_modelTaskTable[TASK_CHAINEU].TDTstart;
MCD_taskTable[channel].TDTend = MCD_modelTaskTable[TASK_CHAINEU].TDTend;
MCD_startDmaChainEu((int *)srcAddr, srcIncr, destIncr, xferSize,
xferSizeIncr, cSave, MCD_taskTable, channel);
}
}
MCD_chStatus[channel] = MCD_IDLE;
return (MCD_OK);
return(MCD_OK);
}
/************************ End of MCD_startDma() *********************/
@@ -582,7 +562,7 @@ int MCD_startDma(int channel, /* the channel on which to run the DMA */
* Notes:
* MCD_XferProgrQuery() upon completing or after aborting a DMA, or
* while the DMA is in progress, this function returns the first
* DMA-destination address not (or not yet) used in the DMA. When
* DMA-destination address not (or not yet) used in the DMA. When
* encountering a non-ready buffer descriptor, the information for
* the last completed descriptor is returned.
*
@@ -604,136 +584,117 @@ int MCD_startDma(int channel, /* the channel on which to run the DMA */
*/
#define STABTIME 0
int MCD_XferProgrQuery(int channel, MCD_XferProg *progRep)
int MCD_XferProgrQuery (int channel, MCD_XferProg *progRep)
{
MCD_XferProg prevRep;
int again; /* true if we are to try again to get consistent results */
int i; /* used as a time-waste counter */
int again; /* true if we are to try again to get consistent results */
int i; /* used as a time-waste counter */
int destDiffBytes; /* Total number of bytes that we think actually got xfered. */
int numIterations; /* number of iterations */
int bytesNotXfered; /* bytes that did not get xfered. */
int8_t *LWAlignedInitDestAddr, *LWAlignedCurrDestAddr;
s8 *LWAlignedInitDestAddr, *LWAlignedCurrDestAddr;
int subModVal, addModVal; /* Mode values to added and subtracted from the
final destAddr */
final destAddr */
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
/* Read a trial value for the progress-reporting values*/
prevRep.lastSrcAddr =
(int8_t *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[SRCPTR
+ CSAVE_OFFSET];
(s8 *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET];
prevRep.lastDestAddr =
(int8_t *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DESTPTR
+ CSAVE_OFFSET];
prevRep.dmaSize =
((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DCOUNT
+ CSAVE_OFFSET];
(s8 *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET];
prevRep.dmaSize = ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DCOUNT + CSAVE_OFFSET];
prevRep.currBufDesc =
(MCD_bufDesc*) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[CURRBD
+ CSAVE_OFFSET];
(MCD_bufDesc*) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[CURRBD + CSAVE_OFFSET];
/* Repeatedly reread those values until they match previous values: */
do
{
do {
/* Waste a little bit of time to ensure stability: */
for (i = 0; i < STABTIME; i++)
i += i >> 2; /* make sure this loop does something so that it doesn't get optimized out */
for (i = 0; i < STABTIME; i++)
i += i >> 2; /* make sure this loop does something so that it doesn't get optimized out */
/* Check them again: */
progRep->lastSrcAddr =
(int8_t *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[SRCPTR
+ CSAVE_OFFSET];
(s8 *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET];
progRep->lastDestAddr =
(int8_t *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DESTPTR
+ CSAVE_OFFSET];
progRep->dmaSize =
((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DCOUNT
+ CSAVE_OFFSET];
(s8 *) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET];
progRep->dmaSize = ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[DCOUNT + CSAVE_OFFSET];
progRep->currBufDesc =
(MCD_bufDesc*) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[CURRBD
+ CSAVE_OFFSET];
/* See if they match: */
if (prevRep.lastSrcAddr != progRep->lastSrcAddr
|| prevRep.lastDestAddr != progRep->lastDestAddr
|| prevRep.dmaSize != progRep->dmaSize
|| prevRep.currBufDesc != progRep->currBufDesc)
{
/* If they don't match, remember previous values and try again:*/
prevRep.lastSrcAddr = progRep->lastSrcAddr;
prevRep.lastDestAddr = progRep->lastDestAddr;
prevRep.dmaSize = progRep->dmaSize;
prevRep.currBufDesc = progRep->currBufDesc;
again = MCD_TRUE;
}
else
again = MCD_FALSE;
(MCD_bufDesc*) ((volatile int*) MCD_taskTable[channel].contextSaveSpace)[CURRBD + CSAVE_OFFSET];
/* See if they match: */
if ( prevRep.lastSrcAddr != progRep->lastSrcAddr
|| prevRep.lastDestAddr != progRep->lastDestAddr
|| prevRep.dmaSize != progRep->dmaSize
|| prevRep.currBufDesc != progRep->currBufDesc)
{
/* If they don't match, remember previous values and try again:*/
prevRep.lastSrcAddr = progRep->lastSrcAddr;
prevRep.lastDestAddr = progRep->lastDestAddr;
prevRep.dmaSize = progRep->dmaSize;
prevRep.currBufDesc = progRep->currBufDesc;
again = MCD_TRUE;
}
else
again = MCD_FALSE;
} while (again == MCD_TRUE);
/* Update the dCount, srcAddr and destAddr */
/* To calculate dmaCount, we consider destination address. C
overs M1,P1,Z for destination */
switch (MCD_remVariants.remDestRsdIncr[channel])
{
case MINUS1:
subModVal = ((int) progRep->lastDestAddr)
& ((MCD_remVariants.remXferSize[channel]) - 1);
addModVal = ((int) progRep->currBufDesc->destAddr)
& ((MCD_remVariants.remXferSize[channel]) - 1);
LWAlignedInitDestAddr = (progRep->currBufDesc->destAddr) - addModVal;
LWAlignedCurrDestAddr = (progRep->lastDestAddr) - subModVal;
destDiffBytes = LWAlignedInitDestAddr - LWAlignedCurrDestAddr;
bytesNotXfered = (destDiffBytes / MCD_remVariants.remDestIncr[channel])
* (MCD_remVariants.remDestIncr[channel]
+ MCD_remVariants.remXferSize[channel]);
progRep->dmaSize = destDiffBytes - bytesNotXfered + addModVal
- subModVal;
break;
case ZERO:
progRep->lastDestAddr = progRep->currBufDesc->destAddr;
break;
case PLUS1:
/* This value has to be subtracted from the final calculated dCount. */
subModVal = ((int) progRep->currBufDesc->destAddr)
& ((MCD_remVariants.remXferSize[channel]) - 1);
/* These bytes are already in lastDestAddr. */
addModVal = ((int) progRep->lastDestAddr)
& ((MCD_remVariants.remXferSize[channel]) - 1);
LWAlignedInitDestAddr = (progRep->currBufDesc->destAddr) - subModVal;
LWAlignedCurrDestAddr = (progRep->lastDestAddr) - addModVal;
destDiffBytes = (progRep->lastDestAddr - LWAlignedInitDestAddr);
numIterations = (LWAlignedCurrDestAddr - LWAlignedInitDestAddr)
/ MCD_remVariants.remDestIncr[channel];
bytesNotXfered = numIterations
* (MCD_remVariants.remDestIncr[channel]
- MCD_remVariants.remXferSize[channel]);
progRep->dmaSize = destDiffBytes - bytesNotXfered - subModVal;
break;
default:
break;
overs M1,P1,Z for destination */
switch(MCD_remVariants.remDestRsdIncr[channel]) {
case MINUS1:
subModVal = ((int)progRep->lastDestAddr) & ((MCD_remVariants.remXferSize[channel]) - 1);
addModVal = ((int)progRep->currBufDesc->destAddr) & ((MCD_remVariants.remXferSize[channel]) - 1);
LWAlignedInitDestAddr = (progRep->currBufDesc->destAddr) - addModVal;
LWAlignedCurrDestAddr = (progRep->lastDestAddr) - subModVal;
destDiffBytes = LWAlignedInitDestAddr - LWAlignedCurrDestAddr;
bytesNotXfered = (destDiffBytes/MCD_remVariants.remDestIncr[channel]) *
( MCD_remVariants.remDestIncr[channel]
+ MCD_remVariants.remXferSize[channel]);
progRep->dmaSize = destDiffBytes - bytesNotXfered + addModVal - subModVal;
break;
case ZERO:
progRep->lastDestAddr = progRep->currBufDesc->destAddr;
break;
case PLUS1:
/* This value has to be subtracted from the final calculated dCount. */
subModVal = ((int)progRep->currBufDesc->destAddr) & ((MCD_remVariants.remXferSize[channel]) - 1);
/* These bytes are already in lastDestAddr. */
addModVal = ((int)progRep->lastDestAddr) & ((MCD_remVariants.remXferSize[channel]) - 1);
LWAlignedInitDestAddr = (progRep->currBufDesc->destAddr) - subModVal;
LWAlignedCurrDestAddr = (progRep->lastDestAddr) - addModVal;
destDiffBytes = (progRep->lastDestAddr - LWAlignedInitDestAddr);
numIterations = ( LWAlignedCurrDestAddr - LWAlignedInitDestAddr)/MCD_remVariants.remDestIncr[channel];
bytesNotXfered = numIterations *
( MCD_remVariants.remDestIncr[channel]
- MCD_remVariants.remXferSize[channel]);
progRep->dmaSize = destDiffBytes - bytesNotXfered - subModVal;
break;
default:
break;
}
/* This covers M1,P1,Z for source */
switch (MCD_remVariants.remSrcRsdIncr[channel])
{
case MINUS1:
progRep->lastSrcAddr = progRep->currBufDesc->srcAddr
+ (MCD_remVariants.remSrcIncr[channel]
* (progRep->dmaSize
/ MCD_remVariants.remXferSize[channel]));
break;
case ZERO:
progRep->lastSrcAddr = progRep->currBufDesc->srcAddr;
break;
case PLUS1:
progRep->lastSrcAddr = progRep->currBufDesc->srcAddr
+ (MCD_remVariants.remSrcIncr[channel]
* (progRep->dmaSize
/ MCD_remVariants.remXferSize[channel]));
break;
default:
break;
switch(MCD_remVariants.remSrcRsdIncr[channel]) {
case MINUS1:
progRep->lastSrcAddr =
progRep->currBufDesc->srcAddr +
( MCD_remVariants.remSrcIncr[channel] *
(progRep->dmaSize/MCD_remVariants.remXferSize[channel]));
break;
case ZERO:
progRep->lastSrcAddr = progRep->currBufDesc->srcAddr;
break;
case PLUS1:
progRep->lastSrcAddr =
progRep->currBufDesc->srcAddr +
( MCD_remVariants.remSrcIncr[channel] *
(progRep->dmaSize/MCD_remVariants.remXferSize[channel]));
break;
default: break;
}
return (MCD_OK);
return(MCD_OK);
}
/******************* End of MCD_XferProgrQuery() ********************/
@@ -744,19 +705,16 @@ int MCD_XferProgrQuery(int channel, MCD_XferProg *progRep)
* enable before resuming it, but the resume function has to do nothing
* if there is no DMA on that channel (i.e., if the enable bit is 0).
*/
static void MCD_resmActions(int channel)
static void MCD_resmActions (int channel)
{
uint32_t debugStatus;
MCD_dmaBar->debugControl = DBG_CTL_DISABLE;
debugStatus = MCD_dmaBar->debugStatus;
MCD_dmaBar->debugStatus = debugStatus;
MCD_dmaBar->ptdDebug = PTD_DBG_TSK_VLD_INIT; /* This register is selected to know
which initiator is actually asserted. */
if ((MCD_dmaBar->ptdDebug >> channel) & 0x1)
MCD_chStatus[channel] = MCD_RUNNING;
else
MCD_chStatus[channel] = MCD_IDLE;
MCD_dmaBar->debugControl = DBG_CTL_DISABLE;
MCD_dmaBar->debugStatus = MCD_dmaBar->debugStatus;
MCD_dmaBar->ptdDebug = PTD_DBG_TSK_VLD_INIT; /* This register is selected to know
which initiator is actually asserted. */
if((MCD_dmaBar->ptdDebug >> channel ) & 0x1)
MCD_chStatus[channel] = MCD_RUNNING;
else
MCD_chStatus[channel] = MCD_IDLE;
}
/********************* End of MCD_resmActions() *********************/
@@ -772,15 +730,15 @@ static void MCD_resmActions(int channel)
* always goes to the MCD_HALTED state even if it is killed while in
* the MCD_NO_DMA or MCD_IDLE states.
*/
int MCD_killDma(int channel)
int MCD_killDma (int channel)
{
/* MCD_XferProg progRep; */
/* MCD_XferProg progRep; */
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
MCD_dmaBar->taskControl[channel] = 0x0;
MCD_resumeDma(channel);
MCD_resumeDma (channel);
/*
* This must be after the write to the TCR so that the task doesn't
* start up again momentarily, and before the status assignment so
@@ -795,7 +753,7 @@ int MCD_killDma(int channel)
* MCD_XferProgrQuery (channel, &progRep);
* progRep.currBufDesc->lastDestAddr = progRep.lastDestAddr;
*/
return (MCD_OK);
return(MCD_OK);
}
/************************ End of MCD_killDma() **********************/
@@ -810,15 +768,15 @@ int MCD_killDma(int channel)
* This routine does not check to see if there is a task which can
* be continued. Also this routine should not be used with single DMAs.
*/
int MCD_continDma(int channel)
int MCD_continDma (int channel)
{
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
MCD_dmaBar->taskControl[channel] |= TASK_CTL_EN;
MCD_chStatus[channel] = MCD_RUNNING;
return (MCD_OK);
return(MCD_OK);
}
/********************** End of MCD_continDma() **********************/
@@ -850,7 +808,7 @@ int MCD_continDma(int channel)
* this means that bits 14 and 0 must enable debug functions before
* bits 1 and 2, respectively, have any effect.
*
* NOTE: It's extremely important to not pause more than one DMA channel
* NOTE: It's extremely important to not pause more than one DMA channel
* at a time.
********************************************************************/
@@ -861,12 +819,12 @@ int MCD_continDma(int channel)
* Arguments: channel
* Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK
*/
int MCD_pauseDma(int channel)
int MCD_pauseDma (int channel)
{
/* MCD_XferProg progRep; */
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
if (MCD_dmaBar->taskControl[channel] & TASK_CTL_EN)
{
@@ -881,7 +839,7 @@ int MCD_pauseDma(int channel)
* progRep.currBufDesc->lastDestAddr = progRep.lastDestAddr;
*/
}
return (MCD_OK);
return(MCD_OK);
}
/************************* End of MCD_pauseDma() ********************/
@@ -892,15 +850,15 @@ int MCD_pauseDma(int channel)
* Arguments: channel - channel on which to resume DMA
* Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK
*/
int MCD_resumeDma(int channel)
int MCD_resumeDma (int channel)
{
if ((channel < 0) || (channel >= NCHANNELS))
return (MCD_CHANNEL_INVALID);
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
if (MCD_dmaBar->taskControl[channel] & TASK_CTL_EN)
MCD_resmActions(channel);
MCD_resmActions (channel);
return (MCD_OK);
return(MCD_OK);
}
/************************ End of MCD_resumeDma() ********************/
@@ -914,16 +872,16 @@ int MCD_resumeDma(int channel)
* Notes:
*
*/
int MCD_csumQuery(int channel, uint32_t *csum)
int MCD_csumQuery (int channel, u32 *csum)
{
#ifdef MCD_INCLUDE_EU
if((channel < 0) || (channel >= NCHANNELS))
return(MCD_CHANNEL_INVALID);
return(MCD_CHANNEL_INVALID);
*csum = MCD_relocBuffDesc[channel].csumResult;
return(MCD_OK);
#else
return (MCD_ERROR);
return(MCD_ERROR);
#endif
}
/*********************** End of MCD_resumeDma() *********************/
@@ -938,7 +896,7 @@ int MCD_getCodeSize(void)
#ifdef MCD_INCLUDE_EU
return(0x2b5c);
#else
return (0x173c);
return(0x173c);
#endif
}
/********************** End of MCD_getCodeSize() ********************/
@@ -957,7 +915,7 @@ char MCD_versionString[] = "Multi-channel DMA API Alpha v0.3 (2004-04-26)";
int MCD_getVersion(char **longVersion)
{
*longVersion = MCD_versionString;
return ((MCD_REV_MAJOR << 8) | MCD_REV_MINOR);
return((MCD_REV_MAJOR << 8) | MCD_REV_MINOR);
}
/********************** End of MCD_getVersion() *********************/
@@ -965,11 +923,11 @@ int MCD_getVersion(char **longVersion)
/* Private version of memcpy()
* Note that everything this is used for is longword-aligned.
*/
static void MCD_memcpy(int *dest, int *src, uint32_t size)
static void MCD_memcpy (int *dest, int *src, u32 size)
{
uint32_t i;
u32 i;
for (i = 0; i < size; i += sizeof(int), dest++, src++)
for (i = 0; i < size; i += sizeof(int), dest++, src++)
*dest = *src;
}
/********************************************************************/