sdk-ameba-v4.0c_180328/component/soc/realtek/8195a/fwlib/src/hal_ssi.c

/*
 *  Routines to access hardware
 *
 *  Copyright (c) 2013 Realtek Semiconductor Corp.
 *
 *  This module is a confidential and proprietary property of RealTek and
 *  possession or use of this module requires written permission of RealTek.
 */

#include "rtl8195a.h"
#include "hal_ssi.h"

const HAL_GDMA_CHNL Ssi2_TX_GDMA_Chnl_Option[] = { 
    {0,4,GDMA0_CHANNEL4_IRQ,0},
    {0,5,GDMA0_CHANNEL5_IRQ,0},
    {0,3,GDMA0_CHANNEL3_IRQ,0},
    {0,0,GDMA0_CHANNEL0_IRQ,0},
    {0,1,GDMA0_CHANNEL1_IRQ,0},
    {0,2,GDMA0_CHANNEL2_IRQ,0},
    
    {0xff,0,0,0}    // end
};

const HAL_GDMA_CHNL Ssi2_RX_GDMA_Chnl_Option[] = { 
    {1,4,GDMA1_CHANNEL4_IRQ,0},
    {1,5,GDMA1_CHANNEL5_IRQ,0},
    {1,3,GDMA1_CHANNEL3_IRQ,0},
    {1,0,GDMA1_CHANNEL0_IRQ,0},
    {1,1,GDMA1_CHANNEL1_IRQ,0},
    {1,2,GDMA1_CHANNEL2_IRQ,0},
    
    {0xff,0,0,0}    // end
};

const HAL_GDMA_CHNL Ssi_MultiBlk_GDMA_Chnl_Option[] = {
    {0,4,GDMA0_CHANNEL4_IRQ,0},
    {0,5,GDMA0_CHANNEL5_IRQ,0},
    {1,4,GDMA1_CHANNEL4_IRQ,0},
    {1,5,GDMA1_CHANNEL5_IRQ,0},
    {0xff,0,0,0}    // end
};

//TODO: Load default Setting: It should be loaded from external setting file.
const DW_SSI_DEFAULT_SETTING SpiDefaultSetting =
{
    .RxCompCallback    = NULL,
    .RxCompCbPara      = NULL,
    .RxData            = NULL,
    .TxCompCallback    = NULL,
    .TxCompCbPara      = NULL,
    .TxData            = NULL,
    .DmaRxDataLevel    =    7,  // RX FIFO stored bytes > (DMARDLR(7) + 1) then trigger DMA transfer
    .DmaTxDataLevel    =   48,  // TX FIFO free space > (FIFO_SPACE(64)-DMATDLR(48)) then trigger DMA transfer
    .InterruptPriority = 10,
    .RxLength          =    0,
    .RxLengthRemainder =    0,
    .RxThresholdLevel  =    7,  // if number of entries in th RX FIFO >= (RxThresholdLevel+1), RX interrupt asserted
    .TxLength          =    0,
    .TxThresholdLevel  =    8,  // if number of entries in th TX FIFO <= TxThresholdLevel, TX interrupt asserted
    .SlaveSelectEnable =    0,
    .ClockDivider      = SSI_CLK_SPI0_2/1000000,    // SCLK=1M
    .DataFrameNumber   =    0,
    .ControlFrameSize  = CFS_1_BIT,
    .DataFrameFormat   = FRF_MOTOROLA_SPI,
    .DataFrameSize     = DFS_8_BITS,
    .DmaControl        = 0, // default DMA is disable
    .InterruptMask     =  0x0,
    .MicrowireDirection    = MW_DIRECTION_MASTER_TO_SLAVE,
    .MicrowireHandshaking  = MW_HANDSHAKE_DISABLE,
    .MicrowireTransferMode = MW_TMOD_NONSEQUENTIAL,
    .SclkPhase             = SCPH_TOGGLES_AT_START,
    .SclkPolarity          = SCPOL_INACTIVE_IS_HIGH,
    .SlaveOutputEnable     = SLV_TXD_ENABLE,  // Slave
    .TransferMode          = TMOD_TR,
    .TransferMechanism     = SSI_DTM_INTERRUPT
};

extern HAL_Status HalSsiInitRtl8195a_Patch(VOID *Adaptor);
extern HAL_Status HalSsiPinmuxEnableRtl8195a_Patch(VOID *Adaptor);
extern HAL_Status HalSsiPinmuxDisableRtl8195a(VOID *Adaptor);
extern HAL_Status HalSsiDeInitRtl8195a(VOID * Adapter);
extern HAL_Status HalSsiClockOffRtl8195a(VOID * Adapter);
extern HAL_Status HalSsiClockOnRtl8195a(VOID * Adapter);
extern HAL_Status HalSsiIntReadRtl8195a(VOID *Adapter, VOID *RxData, u32 Length);
extern HAL_Status HalSsiIntWriteRtl8195a(VOID *Adapter, u8 *pTxData, u32 Length);
extern HAL_Status HalSsiEnterCriticalRtl8195a(VOID * Data);
extern HAL_Status HalSsiExitCriticalRtl8195a(VOID * Data);
extern HAL_Status HalSsiIsTimeoutRtl8195a(u32 StartCount, u32 TimeoutCnt);
extern HAL_Status HalSsiStopRecvRtl8195a(VOID * Data);
extern HAL_Status HalSsiSetFormatRtl8195a(VOID * Adaptor);
extern VOID HalSsiSetSclkRtl8195a(VOID *Adapter, u32 ClkRate);
#ifdef CONFIG_GDMA_EN
extern VOID HalSsiDmaInitRtl8195a(VOID *Adapter);
#endif

VOID HalSsiOpInit(VOID *Adaptor)
{
    PHAL_SSI_OP pHalSsiOp = (PHAL_SSI_OP) Adaptor;

//    pHalSsiOp->HalSsiPinmuxEnable            = HalSsiPinmuxEnableRtl8195a;
#if CONFIG_CHIP_E_CUT
    pHalSsiOp->HalSsiPinmuxEnable            = HalSsiPinmuxEnableRtl8195a_V04;
    pHalSsiOp->HalSsiPinmuxDisable           = HalSsiPinmuxDisableRtl8195a_V04;
#else
    pHalSsiOp->HalSsiPinmuxEnable            = HalSsiPinmuxEnableRtl8195a_Patch;
    pHalSsiOp->HalSsiPinmuxDisable           = HalSsiPinmuxDisableRtl8195a;
#endif

    pHalSsiOp->HalSsiEnable                  = HalSsiEnableRtl8195a;
    pHalSsiOp->HalSsiDisable                 = HalSsiDisableRtl8195a;
//    pHalSsiOp->HalSsiInit                    = HalSsiInitRtl8195a;
#if CONFIG_CHIP_E_CUT
    pHalSsiOp->HalSsiInit                    = HalSsiInitRtl8195a_V04;
#else
    pHalSsiOp->HalSsiInit                    = HalSsiInitRtl8195a_Patch;
#endif
    pHalSsiOp->HalSsiSetSclkPolarity         = HalSsiSetSclkPolarityRtl8195a;
    pHalSsiOp->HalSsiSetSclkPhase            = HalSsiSetSclkPhaseRtl8195a;
    pHalSsiOp->HalSsiWrite                   = HalSsiWriteRtl8195a;
    pHalSsiOp->HalSsiRead                    = HalSsiReadRtl8195a;
    pHalSsiOp->HalSsiGetRxFifoLevel          = HalSsiGetRxFifoLevelRtl8195a;
    pHalSsiOp->HalSsiGetTxFifoLevel          = HalSsiGetTxFifoLevelRtl8195a;
    pHalSsiOp->HalSsiGetStatus               = HalSsiGetStatusRtl8195a;
    pHalSsiOp->HalSsiGetInterruptStatus      = HalSsiGetInterruptStatusRtl8195a;
    pHalSsiOp->HalSsiLoadSetting             = HalSsiLoadSettingRtl8195a;
    pHalSsiOp->HalSsiSetInterruptMask        = HalSsiSetInterruptMaskRtl8195a;
    pHalSsiOp->HalSsiGetInterruptMask        = HalSsiGetInterruptMaskRtl8195a;
    pHalSsiOp->HalSsiSetDeviceRole           = HalSsiSetDeviceRoleRtl8195a;
    pHalSsiOp->HalSsiWriteable               = HalSsiWriteableRtl8195a;
    pHalSsiOp->HalSsiReadable                = HalSsiReadableRtl8195a;
    pHalSsiOp->HalSsiBusy                    = HalSsiBusyRtl8195a;
    pHalSsiOp->HalSsiInterruptEnable         = HalSsiInterruptEnableRtl8195a;
    pHalSsiOp->HalSsiInterruptDisable        = HalSsiInterruptDisableRtl8195a;
//    pHalSsiOp->HalSsiReadInterrupt           = HalSsiReadInterruptRtl8195a;
#if CONFIG_CHIP_E_CUT
    pHalSsiOp->HalSsiReadInterrupt           = HalSsiIntReadRtl8195a_V04;
#else
    pHalSsiOp->HalSsiReadInterrupt           = HalSsiIntReadRtl8195a;
#endif
    pHalSsiOp->HalSsiSetRxFifoThresholdLevel = HalSsiSetRxFifoThresholdLevelRtl8195a;
    pHalSsiOp->HalSsiSetTxFifoThresholdLevel = HalSsiSetTxFifoThresholdLevelRtl8195a;
//    pHalSsiOp->HalSsiWriteInterrupt          = HalSsiWriteInterruptRtl8195a;
#if CONFIG_CHIP_E_CUT
    pHalSsiOp->HalSsiWriteInterrupt          = HalSsiIntWriteRtl8195a_V04;
#else
    pHalSsiOp->HalSsiWriteInterrupt          = HalSsiIntWriteRtl8195a;
#endif
    pHalSsiOp->HalSsiGetRawInterruptStatus   = HalSsiGetRawInterruptStatusRtl8195a;
    pHalSsiOp->HalSsiGetSlaveEnableRegister  = HalSsiGetSlaveEnableRegisterRtl8195a;
    pHalSsiOp->HalSsiSetSlaveEnableRegister  = HalSsiSetSlaveEnableRegisterRtl8195a;
}


#ifdef CONFIG_GDMA_EN    
HAL_Status
HalSsiTxMultiBlkChnl(
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    PSSI_DMA_CONFIG pDmaConfig;    
    HAL_GDMA_CHNL *pgdma_chnl;

    pDmaConfig = &pHalSsiAdapter->DmaConfig;
    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pTxHalGdmaAdapter;

    if((pHalSsiAdapter->HaveTxChannel == 1) && (pHalGdmaAdapter->ChNum != 4) && (pHalGdmaAdapter->ChNum != 5)){
        HalSsiTxGdmaDeInit(pHalSsiAdapter);
    }
    if(pHalSsiAdapter->HaveTxChannel == 0){
        pgdma_chnl = HalGdmaChnlAlloc((HAL_GDMA_CHNL*)Ssi_MultiBlk_GDMA_Chnl_Option);
        if (pgdma_chnl == NULL) {
            DBG_SSI_ERR("No Available DMA channel\n");
            return HAL_BUSY;
        }
        else {
            pHalGdmaAdapter->GdmaIndex   = pgdma_chnl->GdmaIndx;
            pHalGdmaAdapter->ChNum       = pgdma_chnl->GdmaChnl;
            pHalGdmaAdapter->ChEn        = 0x0101 << pgdma_chnl->GdmaChnl;
            pDmaConfig->TxGdmaIrqHandle.IrqNum = pgdma_chnl->IrqNum;       
            pHalSsiAdapter->HaveTxChannel = 1;
            InterruptRegister(&pDmaConfig->TxGdmaIrqHandle);
            InterruptEn(&pDmaConfig->TxGdmaIrqHandle);    
        }
        HalSsiDmaInit(pHalSsiAdapter);  
    }
    DBG_SSI_INFO("TX GDMA Index = %x, Channel = %x\n",pHalGdmaAdapter->GdmaIndex,pHalGdmaAdapter->ChNum);
    return HAL_OK;
}

HAL_Status
HalSsiTxSingleBlkChnl(
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    PSSI_DMA_CONFIG pDmaConfig;    
    HAL_GDMA_CHNL *pgdma_chnl;

    pDmaConfig = &pHalSsiAdapter->DmaConfig;
    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pTxHalGdmaAdapter;

    if(pHalSsiAdapter->HaveTxChannel == 0){
        if (HalGdmaChnlRegister(pHalGdmaAdapter->GdmaIndex, pHalGdmaAdapter->ChNum) != HAL_OK) {
            // The default GDMA Channel is not available, try others
            if (pHalSsiAdapter->Index == 2) {
                // SSI2 TX Only can use GDMA 0
                pgdma_chnl = HalGdmaChnlAlloc((HAL_GDMA_CHNL*)Ssi2_TX_GDMA_Chnl_Option);
            }
            else {
                pgdma_chnl = HalGdmaChnlAlloc(NULL);
            }

            if (pgdma_chnl == NULL) {
                DBG_SSI_ERR("No Available DMA channel\n");
                return HAL_BUSY;
            }
            else {
                pHalGdmaAdapter->GdmaIndex   = pgdma_chnl->GdmaIndx;
                pHalGdmaAdapter->ChNum       = pgdma_chnl->GdmaChnl;
                pHalGdmaAdapter->ChEn        = 0x0101 << pgdma_chnl->GdmaChnl;
                pDmaConfig->TxGdmaIrqHandle.IrqNum = pgdma_chnl->IrqNum;
                pHalSsiAdapter->HaveTxChannel = 1;
            }
        }
        else{
            pHalSsiAdapter->HaveTxChannel = 1;
        }
        InterruptRegister(&pDmaConfig->TxGdmaIrqHandle);
        InterruptEn(&pDmaConfig->TxGdmaIrqHandle);            
        DBG_SSI_INFO("TX GDMA Index = %x, Channle number = %x\n",pHalGdmaAdapter->GdmaIndex,pHalGdmaAdapter->ChNum);
        HalSsiDmaInit(pHalSsiAdapter);  
    }
    
    return HAL_OK;

}

HAL_Status
HalSsiTxGdmaInit(
    IN PHAL_SSI_OP pHalSsiOp,
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    
    if ((NULL == pHalSsiOp) || (NULL == pHalSsiAdapter)) {
        return HAL_ERR_PARA;
    }

    // Load default setting
    #if CONFIG_CHIP_E_CUT
    HalSsiTxGdmaLoadDefRtl8195a_V04((void*)pHalSsiAdapter);
    #else
    HalSsiTxGdmaLoadDefRtl8195a((void*)pHalSsiAdapter);
    #endif
    return HAL_OK;
}

VOID
HalSsiTxGdmaDeInit(
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    PSSI_DMA_CONFIG pDmaConfig;    
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    HAL_GDMA_CHNL GdmaChnl;
    
    if (NULL == pHalSsiAdapter) {
        return;
    }

    pDmaConfig = &pHalSsiAdapter->DmaConfig;

    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pTxHalGdmaAdapter;
    GdmaChnl.GdmaIndx = pHalGdmaAdapter->GdmaIndex;
    GdmaChnl.GdmaChnl = pHalGdmaAdapter->ChNum;
    GdmaChnl.IrqNum = pDmaConfig->TxGdmaIrqHandle.IrqNum;
    HalGdmaChnlFree(&GdmaChnl);
    pHalSsiAdapter->HaveTxChannel = 0;
}


HAL_Status
HalSsiDmaSend(
    IN VOID *Adapter,      // PHAL_SSI_ADAPTOR
    IN u8  *pTxData,  ///< Rx buffer
    IN u32 Length      // buffer length
)
{
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Adapter;
    PSSI_DMA_CONFIG pDmaConfig;
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    PHAL_GDMA_OP pHalGdmaOp;
    
    pDmaConfig = &pHalSsiAdapter->DmaConfig;    
    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pTxHalGdmaAdapter;

    #if CONFIG_CHIP_E_CUT
    HalSsiDmaSendRtl8195a_V04(pHalSsiAdapter,pTxData,Length);
    #else
    HalSsiDmaSendRtl8195a(pHalSsiAdapter,pTxData,Length);
    #endif
    if (pHalGdmaAdapter->GdmaCtl.BlockSize > MAX_DMA_BLOCK_SIZE) {
        // Maximum Data Length is 4092*16
        #if CONFIG_CHIP_E_CUT
        HalSsiDmaSendMultiBlockRtl8195a_V04(pHalSsiAdapter, pTxData, pHalGdmaAdapter->GdmaCtl.BlockSize);
        #else
        HalSsiDmaSendMultiBlockRtl8195a(pHalSsiAdapter, pTxData, pHalGdmaAdapter->GdmaCtl.BlockSize);
        #endif
        HalSsiTxMultiBlkChnl(pHalSsiAdapter);
    }
    else{
        pHalGdmaAdapter->ChSar= (u32)pTxData;
        HalSsiTxSingleBlkChnl(pHalSsiAdapter);
        pHalGdmaAdapter->Rsvd4to7 = 0;
        pHalGdmaAdapter->Llpctrl = 0;
        pHalGdmaAdapter->GdmaCtl.LlpSrcEn = 0;
        pHalGdmaAdapter->GdmaCtl.LlpDstEn = 0;
        pHalGdmaAdapter->GdmaCfg.ReloadDst = 0;
        pHalGdmaAdapter->GdmaCfg.ReloadSrc = 0;        
    }

    // Enable GDMA for TX
    pHalGdmaOp = (PHAL_GDMA_OP)pDmaConfig->pHalGdmaOp;
    pHalGdmaOp->HalGdmaOnOff((VOID*)(pHalGdmaAdapter));
    pHalGdmaOp->HalGdmaChIsrEnAndDis((VOID*)(pHalGdmaAdapter));

    if(pHalGdmaAdapter->Llpctrl)
        pHalGdmaOp->HalGdmaChBlockSeting((VOID*)(pHalGdmaAdapter));
    else
        pHalGdmaOp->HalGdmaChSeting((VOID*)(pHalGdmaAdapter));
    pHalGdmaOp->HalGdmaChEn((VOID*)(pHalGdmaAdapter));

    return HAL_OK;
}


HAL_Status
HalSsiRxMultiBlkChnl(
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    PSSI_DMA_CONFIG pDmaConfig;    
    HAL_GDMA_CHNL *pgdma_chnl;

    pDmaConfig = &pHalSsiAdapter->DmaConfig;
    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pRxHalGdmaAdapter;
    
    if((pHalSsiAdapter->HaveRxChannel == 1) && (pHalGdmaAdapter->ChNum != 4) && (pHalGdmaAdapter->ChNum != 5)){
        HalSsiRxGdmaDeInit(pHalSsiAdapter);
    }
    if(pHalSsiAdapter->HaveRxChannel == 0){
        pgdma_chnl = HalGdmaChnlAlloc((HAL_GDMA_CHNL*)Ssi_MultiBlk_GDMA_Chnl_Option);
        if (pgdma_chnl == NULL) {
            DBG_SSI_ERR("No Available DMA channel\n");
            return HAL_BUSY;
        }
        else {
            pHalGdmaAdapter->GdmaIndex   = pgdma_chnl->GdmaIndx;
            pHalGdmaAdapter->ChNum       = pgdma_chnl->GdmaChnl;
            pHalGdmaAdapter->ChEn        = 0x0101 << pgdma_chnl->GdmaChnl;
            pDmaConfig->RxGdmaIrqHandle.IrqNum = pgdma_chnl->IrqNum; 
            pHalSsiAdapter->HaveRxChannel = 1;
            InterruptRegister(&pDmaConfig->RxGdmaIrqHandle);
            InterruptEn(&pDmaConfig->RxGdmaIrqHandle);
        }
        HalSsiDmaInit(pHalSsiAdapter);  
    }
    DBG_SSI_INFO("RX GDMA index = %x, Channel = %x\n",pHalGdmaAdapter->GdmaIndex,pHalGdmaAdapter->ChNum);
    return HAL_OK;
}

HAL_Status
HalSsiRxSingleBlkChnl(
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    PSSI_DMA_CONFIG pDmaConfig;    
    HAL_GDMA_CHNL *pgdma_chnl;

    pDmaConfig = &pHalSsiAdapter->DmaConfig;
    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pRxHalGdmaAdapter;

    if(pHalSsiAdapter->HaveRxChannel == 0){    
        if (HalGdmaChnlRegister(pHalGdmaAdapter->GdmaIndex, pHalGdmaAdapter->ChNum) != HAL_OK) {
            // The default GDMA Channel is not available, try others
            if (pHalSsiAdapter->Index == 2) {
                // SSI2 RX Only can use GDMA 1
                pgdma_chnl = HalGdmaChnlAlloc((HAL_GDMA_CHNL*)Ssi2_RX_GDMA_Chnl_Option);
            }
            else {
                pgdma_chnl = HalGdmaChnlAlloc(NULL);
            }

            if (pgdma_chnl == NULL) {
                DBG_SSI_ERR("No Available DMA channel\n");
                return HAL_BUSY;
            }
            else {
                pHalGdmaAdapter->GdmaIndex   = pgdma_chnl->GdmaIndx;
                pHalGdmaAdapter->ChNum       = pgdma_chnl->GdmaChnl;
                pHalGdmaAdapter->ChEn        = 0x0101 << pgdma_chnl->GdmaChnl;
                pDmaConfig->RxGdmaIrqHandle.IrqNum = pgdma_chnl->IrqNum; 
                pHalSsiAdapter->HaveRxChannel = 1;
            }
        }
        else{
            pHalSsiAdapter->HaveRxChannel = 1;
        }
        InterruptRegister(&pDmaConfig->RxGdmaIrqHandle);
        InterruptEn(&pDmaConfig->RxGdmaIrqHandle);
        DBG_SSI_INFO("RX GDMA Index = %x, Channle number = %x\n",pHalGdmaAdapter->GdmaIndex,pHalGdmaAdapter->ChNum);
        HalSsiDmaInit(pHalSsiAdapter);  
    }   
    return HAL_OK;

}

HAL_Status
HalSsiRxGdmaInit(
    IN PHAL_SSI_OP pHalSsiOp,
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    
    if ((NULL == pHalSsiOp) || (NULL == pHalSsiAdapter)) {
        return HAL_ERR_PARA;
    }

    // Load default setting
    #if CONFIG_CHIP_E_CUT
    HalSsiRxGdmaLoadDefRtl8195a_V04((void*)pHalSsiAdapter);
    #else
    HalSsiRxGdmaLoadDefRtl8195a((void*)pHalSsiAdapter);
    #endif
    return HAL_OK;
}

VOID
HalSsiRxGdmaDeInit(
    IN PHAL_SSI_ADAPTOR pHalSsiAdapter
)
{
    PSSI_DMA_CONFIG pDmaConfig;    
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    HAL_GDMA_CHNL GdmaChnl;
    
    if (NULL == pHalSsiAdapter) {
        return;
    }

    pDmaConfig = &pHalSsiAdapter->DmaConfig;

    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pRxHalGdmaAdapter;
    GdmaChnl.GdmaIndx = pHalGdmaAdapter->GdmaIndex;
    GdmaChnl.GdmaChnl = pHalGdmaAdapter->ChNum;
    GdmaChnl.IrqNum = pDmaConfig->RxGdmaIrqHandle.IrqNum;
    HalGdmaChnlFree(&GdmaChnl);
    pHalSsiAdapter->HaveRxChannel = 0;
}

HAL_Status
HalSsiDmaRecv(
    IN VOID *Adapter,      // PHAL_SSI_ADAPTOR
    IN u8  *pRxData,  ///< Rx buffer
    IN u32 Length      // buffer length
)
{
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Adapter;
    PSSI_DMA_CONFIG pDmaConfig;
    PHAL_GDMA_ADAPTER pHalGdmaAdapter;
    PHAL_GDMA_OP pHalGdmaOp;
    
    pDmaConfig = &pHalSsiAdapter->DmaConfig;    
    pHalGdmaAdapter = (PHAL_GDMA_ADAPTER)pDmaConfig->pRxHalGdmaAdapter;

    #if CONFIG_CHIP_E_CUT
    HalSsiDmaRecvRtl8195a_V04(pHalSsiAdapter,pRxData,Length);
    #else
    HalSsiDmaRecvRtl8195a(pHalSsiAdapter,pRxData,Length);
    #endif
    
    if (pHalGdmaAdapter->GdmaCtl.BlockSize > MAX_DMA_BLOCK_SIZE) {
        // Maximum Data Length is 4092*16
        #if CONFIG_CHIP_E_CUT
        HalSsiDmaRecvMultiBlockRtl8195a_V04(pHalSsiAdapter, pRxData, pHalGdmaAdapter->GdmaCtl.BlockSize);
        #else
        HalSsiDmaRecvMultiBlockRtl8195a(pHalSsiAdapter, pRxData, pHalGdmaAdapter->GdmaCtl.BlockSize);
        #endif
        HalSsiRxMultiBlkChnl(pHalSsiAdapter);
    }
    else{
        pHalGdmaAdapter->ChDar = (u32)pRxData;
        HalSsiRxSingleBlkChnl(pHalSsiAdapter);
        pHalGdmaAdapter->Rsvd4to7 = 0;
        pHalGdmaAdapter->Llpctrl = 0;
        pHalGdmaAdapter->GdmaCtl.LlpSrcEn = 0;
        pHalGdmaAdapter->GdmaCtl.LlpDstEn = 0;
        pHalGdmaAdapter->GdmaCfg.ReloadDst = 0;
        pHalGdmaAdapter->GdmaCfg.ReloadSrc = 0;     

    }

    // Enable GDMA for RX
    pHalGdmaOp = (PHAL_GDMA_OP)pDmaConfig->pHalGdmaOp;
    pHalGdmaOp->HalGdmaOnOff((VOID*)(pHalGdmaAdapter));
    pHalGdmaOp->HalGdmaChIsrEnAndDis((VOID*)(pHalGdmaAdapter));
    
    if(pHalGdmaAdapter->Llpctrl)
        pHalGdmaOp->HalGdmaChBlockSeting((VOID*)(pHalGdmaAdapter));
    else
        pHalGdmaOp->HalGdmaChSeting((VOID*)(pHalGdmaAdapter));
    pHalGdmaOp->HalGdmaChEn((VOID*)(pHalGdmaAdapter));
    
    return HAL_OK;

}

#endif  // end of "#ifdef CONFIG_GDMA_EN"

VOID HalSsiClearFIFO(VOID *Data)
{
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Data;

    //Clear FIFO
    HalSsiDisableRtl8195a(pHalSsiAdapter);
    HalSsiEnableRtl8195a(pHalSsiAdapter);
}


HAL_Status
HalSsiInit(VOID *Data)
{
    HAL_Status ret;
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Data;
    u32 Function;
    u8 PinmuxSelect;
    u8 Index;

    PinmuxSelect = pHalSsiAdapter->PinmuxSelect;
    Index = pHalSsiAdapter->Index;
    switch (Index){
        case 0:
            Function = SPI0;
            break;
        case 1:
            Function = SPI1;
            break;
        case 2:
            Function = SPI2;
            break;
        default:
            DBG_SSI_ERR("Invalid SPI Index.\n");
            break;
    }

    ret = FunctionChk(Function, (u32)PinmuxSelect);
    if(ret == _FALSE){
        DBG_SSI_ERR("Invalid Pinmux Setting.\n");
        return HAL_ERR_PARA;
    }

#ifdef CONFIG_SOC_PS_MODULE
        REG_POWER_STATE SsiPwrState;
#endif
#if CONFIG_CHIP_E_CUT
    ret = HalSsiInitRtl8195a_V04(pHalSsiAdapter);    
#else
    ret = HalSsiInitRtl8195a_Patch(pHalSsiAdapter);
#endif
#ifdef CONFIG_SOC_PS_MODULE
        if(ret == HAL_OK) {
            // To register a new peripheral device power state
            SsiPwrState.FuncIdx = SPI0+ pHalSsiAdapter->Index;
            SsiPwrState.PwrState = ACT;
            RegPowerState(SsiPwrState);
        }
#endif

    return ret;   
}

HAL_Status
HalSsiDeInit(VOID *Data)
{
    HAL_Status ret;
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Data;
#ifdef CONFIG_SOC_PS_MODULE
        REG_POWER_STATE SsiPwrState;
        u8 HardwareState;

        SsiPwrState.FuncIdx= SPI0+ pHalSsiAdapter->Index;
        QueryRegPwrState(SsiPwrState.FuncIdx, &(SsiPwrState.PwrState), &HardwareState);

        if(SsiPwrState.PwrState != HardwareState){
            DBG_SSI_ERR("Registered State is not the Hardware State");
            return HAL_ERR_UNKNOWN;
        }
        else{
            if((SsiPwrState.PwrState != INACT) && (SsiPwrState.PwrState !=ACT)){
                    DBG_SSI_INFO("Return to ACT state before DeInit");
                    HalSsiEnable(pHalSsiAdapter);
                    QueryRegPwrState(SsiPwrState.FuncIdx, &(SsiPwrState.PwrState), &HardwareState);
            }
            if(SsiPwrState.PwrState == ACT){
                SsiPwrState.PwrState = INACT;
                RegPowerState(SsiPwrState);
            }          
        }
#endif
#if CONFIG_CHIP_E_CUT
    ret = HalSsiDeInitRtl8195a_V04(pHalSsiAdapter);
#else
    ret = HalSsiDeInitRtl8195a(pHalSsiAdapter);
#endif
    return ret;
}


HAL_Status
HalSsiEnable(VOID *Data)
{
    HAL_Status ret;
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Data;
#ifdef CONFIG_SOC_PS_MODULE
        REG_POWER_STATE SsiPwrState;
#endif
#if CONFIG_CHIP_E_CUT
    ret = HalSsiClockOnRtl8195a_V04(pHalSsiAdapter);
#else
    ret = HalSsiClockOnRtl8195a(pHalSsiAdapter);
#endif
#ifdef CONFIG_SOC_PS_MODULE
        if(ret == HAL_OK) {
            // To register a new peripheral device power state
            SsiPwrState.FuncIdx = SPI0+ pHalSsiAdapter->Index;
            SsiPwrState.PwrState = ACT;
            RegPowerState(SsiPwrState);
        }
#endif

    return ret;   
}

HAL_Status
HalSsiDisable(VOID *Data)
{
    HAL_Status ret;
    PHAL_SSI_ADAPTOR pHalSsiAdapter = (PHAL_SSI_ADAPTOR) Data;
#ifdef CONFIG_SOC_PS_MODULE
        REG_POWER_STATE SsiPwrState;
#endif
#if CONFIG_CHIP_E_CUT
    ret = HalSsiClockOffRtl8195a_V04(pHalSsiAdapter);
#else
    ret = HalSsiClockOffRtl8195a(pHalSsiAdapter);
#endif
#ifdef CONFIG_SOC_PS_MODULE
        if(ret == HAL_OK) {
            // To register a new peripheral device power state
            SsiPwrState.FuncIdx = SPI0+ pHalSsiAdapter->Index;
            SsiPwrState.PwrState = SLPCG;
            RegPowerState(SsiPwrState);
        }
#endif

    return ret;   
}

HAL_Status HalSsiEnterCritical(VOID *Data)
{
    return HalSsiEnterCriticalRtl8195a(Data);
}

HAL_Status HalSsiExitCritical(VOID *Data)
{
    return HalSsiExitCriticalRtl8195a(Data);
}

HAL_Status HalSsiTimeout(u32 StartCount, u32 TimeoutCnt)
{
    return HalSsiIsTimeoutRtl8195a(StartCount,TimeoutCnt);
}

HAL_Status HalSsiStopRecv(VOID * Data)
{
    return HalSsiStopRecvRtl8195a(Data);
}

HAL_Status HalSsiSetFormat(VOID * Data)
{
    return HalSsiSetFormatRtl8195a(Data);
}