| /* |
| * BusDrv.h |
| * |
| * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Texas Instruments nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| /** \file BusDrv.h |
| * \brief Bus-Driver module API definition |
| * |
| * \see SdioBusDrv.c, WspiBusDrv.c |
| */ |
| |
| #ifndef __BUS_DRV_API_H__ |
| #define __BUS_DRV_API_H__ |
| |
| |
| #include "TxnDefs.h" |
| #include "queue.h" |
| |
| |
| /************************************************************************ |
| * Defines |
| ************************************************************************/ |
| |
| #define WSPI_PAD_LEN_WRITE 4 |
| #define WSPI_PAD_LEN_READ 8 |
| #define MAX_XFER_BUFS 4 |
| |
| #define TXN_PARAM_STATUS_OK 0 |
| #define TXN_PARAM_STATUS_ERROR 1 |
| #define TXN_PARAM_STATUS_RECOVERY 2 |
| |
| #define TXN_DIRECTION_WRITE 0 |
| #define TXN_DIRECTION_READ 1 |
| |
| #define TXN_HIGH_PRIORITY 0 |
| #define TXN_LOW_PRIORITY 1 |
| #define TXN_NUM_PRIORITYS 2 |
| |
| #define TXN_INC_ADDR 0 |
| #define TXN_FIXED_ADDR 1 |
| #define TXN_NON_SLEEP_ELP 1 |
| #define TXN_SLEEP_ELP 0 |
| |
| #define NUM_OF_PARTITION 4 |
| |
| /************************************************************************ |
| * Macros |
| ************************************************************************/ |
| /* Get field from TTxnStruct->uTxnParams */ |
| #define TXN_PARAM_GET_PRIORITY(pTxn) ( (pTxn->uTxnParams & 0x00000003) >> 0 ) |
| #define TXN_PARAM_GET_FUNC_ID(pTxn) ( (pTxn->uTxnParams & 0x0000000C) >> 2 ) |
| #define TXN_PARAM_GET_DIRECTION(pTxn) ( (pTxn->uTxnParams & 0x00000010) >> 4 ) |
| #define TXN_PARAM_GET_FIXED_ADDR(pTxn) ( (pTxn->uTxnParams & 0x00000020) >> 5 ) |
| #define TXN_PARAM_GET_MORE(pTxn) ( (pTxn->uTxnParams & 0x00000040) >> 6 ) |
| #define TXN_PARAM_GET_SINGLE_STEP(pTxn) ( (pTxn->uTxnParams & 0x00000080) >> 7 ) |
| #define TXN_PARAM_GET_STATUS(pTxn) ( (pTxn->uTxnParams & 0x00000F00) >> 8 ) |
| |
| /* Set field in TTxnStruct->uTxnParams */ |
| #define TXN_PARAM_SET_PRIORITY(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x00000003) | (uValue << 0 ) ) |
| #define TXN_PARAM_SET_FUNC_ID(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x0000000C) | (uValue << 2 ) ) |
| #define TXN_PARAM_SET_DIRECTION(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x00000010) | (uValue << 4 ) ) |
| #define TXN_PARAM_SET_FIXED_ADDR(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x00000020) | (uValue << 5 ) ) |
| #define TXN_PARAM_SET_MORE(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x00000040) | (uValue << 6 ) ) |
| #define TXN_PARAM_SET_SINGLE_STEP(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x00000080) | (uValue << 7 ) ) |
| #define TXN_PARAM_SET_STATUS(pTxn, uValue) ( pTxn->uTxnParams = (pTxn->uTxnParams & ~0x00000F00) | (uValue << 8 ) ) |
| |
| #define TXN_PARAM_SET(pTxn, uPriority, uId, uDirection, uAddr) \ |
| TXN_PARAM_SET_PRIORITY(pTxn, uPriority); \ |
| TXN_PARAM_SET_FUNC_ID(pTxn, uId); \ |
| TXN_PARAM_SET_DIRECTION(pTxn, uDirection); \ |
| TXN_PARAM_SET_FIXED_ADDR(pTxn, uAddr); |
| |
| #define BUILD_TTxnStruct(pTxn, uAddr, pBuf, uLen, fCB, hCB) \ |
| pTxn->aBuf[0] = (TI_UINT8*)(pBuf); \ |
| pTxn->aLen[0] = (TI_UINT16)(uLen); \ |
| pTxn->aLen[1] = 0; \ |
| pTxn->uHwAddr = uAddr; \ |
| pTxn->hCbHandle = (void*)hCB; \ |
| pTxn->fTxnDoneCb = (void*)fCB; |
| |
| |
| /************************************************************************ |
| * Types |
| ************************************************************************/ |
| /* The TxnDone CB called by the bus driver upon Async Txn completion */ |
| typedef void (*TBusDrvTxnDoneCb)(TI_HANDLE hCbHandle, void *pTxn); |
| |
| /* The TxnDone CB called by the TxnQueue upon Async Txn completion */ |
| typedef void (*TTxnQueueDoneCb)(TI_HANDLE hCbHandle, void *pTxn); |
| |
| /* The TxnDone CB of the specific Txn originator (Xfer layer) called upon Async Txn completion */ |
| typedef void (*TTxnDoneCb)(TI_HANDLE hCbHandle, void *pTxn); |
| |
| /* The transactions structure */ |
| typedef struct |
| { |
| TQueNodeHdr tTxnQNode; /* Header for queueing */ |
| TI_UINT32 uTxnParams; /* Txn attributes (bit fields) - see macros above */ |
| TI_UINT32 uHwAddr; /* Physical (32 bits) HW Address */ |
| TTxnDoneCb fTxnDoneCb; /* CB called by TwIf upon Async Txn completion (may be NULL) */ |
| TI_HANDLE hCbHandle; /* The handle to use when calling fTxnDoneCb */ |
| TI_UINT16 aLen[MAX_XFER_BUFS]; /* Lengths of the following aBuf data buffers respectively. |
| Zero length marks last used buffer, or MAX_XFER_BUFS of all are used. */ |
| TI_UINT8* aBuf[MAX_XFER_BUFS]; /* Host data buffers to be written to or read from the device */ |
| TI_UINT8 aWspiPad[WSPI_PAD_LEN_READ]; /* Padding used by WSPI bus driver for its header or fixed-busy bytes */ |
| |
| } TTxnStruct; |
| |
| /* Parameters for all bus types configuration in ConnectBus process */ |
| |
| typedef struct |
| { |
| TI_UINT32 uBlkSizeShift; |
| TI_UINT32 uBusDrvThreadPriority; |
| } TSdioCfg; |
| |
| typedef struct |
| { |
| TI_UINT32 uDummy; |
| } TWspiCfg; |
| |
| typedef struct |
| { |
| TI_UINT32 uBaudRate; |
| } TUartCfg; |
| |
| typedef union |
| { |
| TSdioCfg tSdioCfg; |
| TWspiCfg tWspiCfg; |
| TUartCfg tUartCfg; |
| |
| } TBusDrvCfg; |
| |
| |
| typedef struct |
| { |
| TI_UINT32 uMemAdrr; |
| TI_UINT32 uMemSize; |
| } TPartition; |
| |
| /************************************************************************ |
| * Functions |
| ************************************************************************/ |
| TI_HANDLE busDrv_Create (TI_HANDLE hOs); |
| TI_STATUS busDrv_Destroy (TI_HANDLE hBusDrv); |
| void busDrv_Init (TI_HANDLE hBusDrv, TI_HANDLE hReport); |
| TI_STATUS busDrv_ConnectBus (TI_HANDLE hBusDrv, |
| TBusDrvCfg *pBusDrvCfg, |
| TBusDrvTxnDoneCb fCbFunc, |
| TI_HANDLE hCbArg, |
| TBusDrvTxnDoneCb fConnectCbFunc); |
| TI_STATUS busDrv_DisconnectBus (TI_HANDLE hBusDrv); |
| ETxnStatus busDrv_Transact (TI_HANDLE hBusDrv, TTxnStruct *pTxn); |
| |
| #endif /*__BUS_DRV_API_H__*/ |
| |
