int probe1()
{
unsigned int pciBusNo, pciDevNo, pciFuncNo;
unsigned char byte;
/* int i,j;*/
UINT32 s_pBA0, s_pBA1;
/* To ensure that taskDelay(1) is 1ms delay */
sysClkRateSet(1000);
if (pciConfigLibInit (PCI_MECHANISM_1, 0xCF8, 0xCFC, 0) != OK) {
printf("PCI lib config error\n");
return 1;
}
/****************************
* Find SoundCard
* Set BaseAddr0, BaseAddr1
****************************/
if(!(pciFindDevice(PCI_VENDOR_ID_CIRRUS,PCI_DEVICE_ID_CRYSTAL_CS4281,
0, &pciBusNo, &pciDevNo, &pciFuncNo)==OK)) {
printf("\n CS4281 sound card NOT FOUND!!! \n");
return 1;
}
printf("\n FOUND CS4281 sound card, configuring BA0,BA1... \n");
pciConfigOutLong( pciBusNo, pciDevNo, pciFuncNo,
PCI_CFG_BASE_ADDRESS_0, CS4281_pBA0);
/*
pciConfigOutLong( pciBusNo, pciDevNo, pciFuncNo,
PCI_CFG_BASE_ADDRESS_1, CS4281_pBA1);
*/
pciConfigInLong( pciBusNo, pciDevNo, pciFuncNo,
PCI_CFG_BASE_ADDRESS_0, &s_pBA0);
pciConfigInLong( pciBusNo, pciDevNo, pciFuncNo,
PCI_CFG_BASE_ADDRESS_1, &s_pBA1 );
printf ("\npBusNo pDeviceNo pFuncNo pBA0 pBA1\n\n");
printf ("%.8x %.8x %.8x %.8x %.8x \n",
pciBusNo, pciDevNo, pciFuncNo, s_pBA0,s_pBA1);
/********************************
* Config PCI Device Capability
* DMA Master
* MEM mapped
********************************/
/* Set the INTA vector */
pciConfigInByte(pciBusNo, pciDevNo, pciFuncNo,
PCI_CFG_DEV_INT_LINE, &cs4281_irq);
printf("\nFound CS4281 configured for IRQ %d\n", cs4281_irq);
pciConfigInByte(pciBusNo, pciDevNo, pciFuncNo,
PCI_CFG_DEV_INT_PIN, &byte);
printf("\tINT_PIN=%.8x\n", byte);
/* Enable the device's capabilities as specified
* Bus Master Enable/ Mem Space Enable */
pciConfigOutWord(pciBusNo, pciDevNo, pciFuncNo, PCI_CFG_COMMAND,
(unsigned short)0x0006);
/***************************
* BringUp Hardware
***************************/
/*Include Init Function Here*/
cs4281_hw_init();
/****************************
* Allocate ADC_BUFFER
* Allocate DAC_BUFFER
*
* Hook cs4281_interrupt
*
* Program CoDec
****************************/
if((DAC_BUFFER=valloc(DAC_BUFFER_SIZE))==NULL) {
printf("\n DAC_BUFFER valloc failed!\n");
return 1;
}
memset( DAC_BUFFER, 0, DAC_BUFFER_SIZE );
printf("\ndac=%x",DAC_BUFFER);
/*for( i=0 ; i < DAC_BUFFER_SIZE ; i++ )
((char *)DAC_BUFFER)[i]=0x7f;*/
writel((UINT32)DAC_BUFFER+8,CS4281_pBA0 + BA0_DBA0);
writel(DAC_BUFFER_SIZE-16, CS4281_pBA0 + BA0_DBC0);
printf("\nbao=%x",readl(CS4281_pBA0 + BA0_DBA0));
printf("\nbco=%x",readl(CS4281_pBA0 + BA0_DBC0));
printf("\ncco=%x",readl(CS4281_pBA0 + BA0_DCC0));
if((ADC_BUFFER=valloc(ADC_BUFFER_SIZE))==NULL) {
printf("\n ADC_BUFFER valloc failed!\n");
return 1;
}
printf("\nadc=%x",ADC_BUFFER);
/*for( i=0 ; i < ADC_BUFFER_SIZE ; i++ )
((char *)ADC_BUFFER)[i]=0x7f;*/
writel((UINT32)ADC_BUFFER+8,CS4281_pBA0 + BA0_DBA1);
writel(ADC_BUFFER_SIZE-16, CS4281_pBA0 + BA0_DBC1);
/* connect interrupt */
printf("\n Hook cs4281_interrupt to vector %d\n",
(INUM_TO_IVEC (cs4281_irq+INT_NUM_IRQ0)));
pciIntConnect((INUM_TO_IVEC (cs4281_irq+INT_NUM_IRQ0)),
(VOIDFUNCPTR)cs4281_interrupt, 0);
sysIntEnablePIC(cs4281_irq);
SEM_DMA_Playback = semBCreate(SEM_Q_FIFO,SEM_EMPTY);
SEM_MY_Playback = semBCreate(SEM_Q_FIFO,SEM_EMPTY);
SEM_DMA_Record = semBCreate(SEM_Q_FIFO,SEM_EMPTY);
SEM_Sample = semBCreate(SEM_Q_FIFO,SEM_EMPTY);
CNT_DMA_Playback = CNT_DMA_Record = 0;
/* program coDec */
printf("\n Program CoDec (sample rate, DMA...)\n");
prog_codec();
/*********************************************
* start dac/adc, interrupt is comming...
*********************************************/
start_dac();
return 0;
}
END_OBJ *sysDec21x40EndLoad
(
char *pParamStr, /* ptr to initialization parameter string */
void *hwUnit /* Tulip unit number */
)
{
/*
* The format of the parameter string should be:
* "<unit number>:<device addr>:<PCI addr>:"
* "<ivec>:<ilevel>:<numRds>:<numTds>:<mem base>:<mem size>:"
* "<user flags>:<phyAddr>:<pPhyTbl>:<phyFlags>:<offset>"
*/
int unit = (int) hwUnit;
char *cp;
char paramStr [END_INIT_STR_MAX]; /* from end.h */
static char dec21x40ParamTemplate [] =
"%#x:0:%#x:0:-1:-1:-1:0:%#x::::2";
int busNo, deviceNo, funcNo;
UINT32 flags;
UINT32 csrAdrs;
UINT8 intLine;
UINT32 cfdd;
END_OBJ *pEnd;
if (strlen (pParamStr) == 0)
{
/*
* muxDevLoad() calls us twice. If the string is
* zero length, then this is the first time through
* this routine, so we just return.
*/
pEnd = dec21x40EndLoad (pParamStr);
}
else
{
if (pciFindDevice (VENDOR_ID_DEC, DEVICE_ID_21143, unit,
&busNo, &deviceNo, &funcNo) == OK)
{
flags = DEC_USR_21143;
}
else
if (pciFindDevice (VENDOR_ID_DEC, DEVICE_ID_21140, unit,
&busNo, &deviceNo, &funcNo) == OK)
{
flags = DEC_USR_21140;
}
else
if (pciFindDevice (VENDOR_ID_DEC, DEVICE_ID_21041, unit,
&busNo, &deviceNo, &funcNo) == OK)
{
flags = 0;
}
else
{
return (END_OBJ *)ERROR;
}
pciConfigInLong (busNo, deviceNo, funcNo, DEC_CFG_CBMA, &csrAdrs);
pciConfigInByte (busNo, deviceNo, funcNo, DEC_CFG_CFIT, &intLine);
/* Make sure that chip is out of sleep mode. */
pciConfigInLong (busNo, deviceNo, funcNo, DEC_CFG_CFDD, &cfdd);
pciConfigOutLong (busNo, deviceNo, funcNo, DEC_CFG_CFDD, 0);
pciConfigInLong (busNo, deviceNo, funcNo, DEC_CFG_CFDD, &cfdd);
/*
* On the second pass though here, we actually create
* the initialization parameter string on the fly.
* Note that we will be handed our unit number on the
* second pass through and we need to preserve that information.
* So we use the unit number handed from the input string.
*/
cp = strcpy (paramStr, pParamStr); /* cp points to paramStr */
/* Now, we advance cp, by finding the end the string */
cp += strlen (paramStr);
/* finish off the initialization parameter string */
flags |= DEC_USR_CAL_08 | DEC_USR_PBL_32 | DEC_USR_RML | DEC_USR_SF;
sprintf (cp, dec21x40ParamTemplate, csrAdrs, intLine, flags);
if ((pEnd = dec21x40EndLoad (paramStr)) == (END_OBJ *)ERROR)
{
printf ("Error: dec21x40 device failed EndLoad routine.\n");
}
}
return (pEnd);
}
void sysAic7880PciInit(void)
{
int busNo; /* PCI bus number */
int devNo; /* PCI device number */
int funcNo; /* PCI function number */
int index = 0; /* desired instance of device */
UINT32 membaseCsr; /* base address 0 */
UINT32 iobaseCsr; /* base address 1 */
char irq; /* IRQ level */
AIC7880_INFO *aicRes;
aicRes = &aic7880InfoTable;
if ((pciFindDevice (AIC7880_PCI_VENDOR_ID, AIC7880_PCI_DEVICE_ID,
index, &busNo, &devNo, &funcNo)) != OK)
{
logMsg("AIC 7880 SCSI controller not found\n", 0, 0, 0, 0, 0, 0);
return;
}
/* if PCI_CFG_FORCE is specified then set configuration parameters */
if (PCI_CFG_TYPE == PCI_CFG_FORCE)
{
pciConfigOutLong(busNo, devNo, funcNo, PCI_CFG_BASE_ADDRESS_0,
AIC7880_IOBASE);
pciConfigOutLong(busNo, devNo, funcNo, PCI_CFG_BASE_ADDRESS_1,
AIC7880_MEMBASE);
pciConfigOutByte(busNo, devNo, funcNo, PCI_CFG_DEV_INT_LINE,
AIC7880_INT_LVL);
}
/* read the configuration parameters */
pciConfigInLong(busNo, devNo, funcNo, PCI_CFG_BASE_ADDRESS_0,
&iobaseCsr);
pciConfigInLong(busNo, devNo, funcNo, PCI_CFG_BASE_ADDRESS_1,
&membaseCsr);
pciConfigInByte(busNo, devNo, funcNo, PCI_CFG_DEV_INT_LINE,
&irq);
membaseCsr &= PCI_MEMBASE_MASK;
iobaseCsr &= PCI_IOBASE_MASK;
/* update the mmu table */
if (sysMmuMapAdd((void *)membaseCsr, (UINT)AIC7880_MEMSIZE,
(UINT)AIC7880_INIT_STATE_MASK,
(UINT)AIC7880_INIT_STATE) == ERROR)
{
logMsg("Unable map requested memory\n", 0, 0, 0, 0, 0, 0);
return;
}
/* update the device specific info */
aicRes->pciBus = busNo;
aicRes->pciDevice = devNo;
aicRes->pciFunc = funcNo;
aicRes->irq = irq;
/* enable mapped memory and IO addresses */
pciConfigOutWord (aicRes->pciBus, aicRes->pciDevice, aicRes->pciFunc,
PCI_CFG_COMMAND, PCI_CMD_IO_ENABLE |
PCI_CMD_MEM_ENABLE | PCI_CMD_MASTER_ENABLE);
}