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Diffstat (limited to 'drivers/net/npe/include/IxI2cDrv.h')
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1 files changed, 0 insertions, 843 deletions
diff --git a/drivers/net/npe/include/IxI2cDrv.h b/drivers/net/npe/include/IxI2cDrv.h deleted file mode 100644 index 033154046f..0000000000 --- a/drivers/net/npe/include/IxI2cDrv.h +++ /dev/null @@ -1,843 +0,0 @@ -/** - * @file IxI2cDrv.h - * - * @brief Header file for the IXP400 I2C Driver (IxI2cDrv) - * - * @version $Revision: 0.1 $ - * - * @par - * IXP400 SW Release version 2.0 - * - * -- Copyright Notice -- - * - * @par - * Copyright 2001-2005, Intel Corporation. - * All rights reserved. - * - * @par - * SPDX-License-Identifier: BSD-3-Clause - * @par - * -- End of Copyright Notice -- - */ - -/** - * @defgroup IxI2cDrv IXP400 I2C Driver(IxI2cDrv) API - * - * @brief IXP400 I2C Driver Public API - * - * @{ - */ -#ifndef IXI2CDRV_H -#define IXI2CDRV_H - -#ifdef __ixp46X -#include "IxOsal.h" - -/* - * Section for #define - */ - -/** - * @ingroup IxI2cDrv - * @brief The interval of micro/mili seconds the IXP will wait before it polls for - * status from the ixI2cIntrXferStatus; Every 20us is 1 byte @ - * 400Kbps and 4 bytes @ 100Kbps. This is dependent on delay type selected - * through the API ixI2cDrvDelayTypeSelect. - */ -#define IX_I2C_US_POLL_FOR_XFER_STATUS 20 - -/** - * @ingroup IxI2cDrv - * @brief The number of tries that will be attempted to call a callback - * function if the callback does not or is unable to resolve the - * issue it is called to resolve - */ -#define IX_I2C_NUM_OF_TRIES_TO_CALL_CALLBACK_FUNC 10 - - -/** - * @ingroup IxI2cDrv - * @brief Number of tries slave will poll the IDBR Rx full bit before it - * gives up - */ -#define IX_I2C_NUM_TO_POLL_IDBR_RX_FULL 0x100 - -/** - * @ingroup IxI2cDrv - * @brief Number of tries slave will poll the IDBR Tx empty bit before it - * gives up - */ -#define IX_I2C_NUM_TO_POLL_IDBR_TX_EMPTY 0x100 - -/* - * Section for enum - */ - -/** - * @ingroup IxI2cDrv - * - * @enum IxI2cMasterStatus - * - * @brief The master status - transfer complete, bus error or arbitration loss - */ -typedef enum -{ - IX_I2C_MASTER_XFER_COMPLETE = IX_SUCCESS, - IX_I2C_MASTER_XFER_BUS_ERROR, - IX_I2C_MASTER_XFER_ARB_LOSS -} IxI2cMasterStatus; - - -/** - * @ingroup IxI2cDrv - * - * @enum IX_I2C_STATUS - * - * @brief The status that can be returned in a I2C driver initialization - */ -typedef enum -{ - IX_I2C_SUCCESS = IX_SUCCESS, /**< Success status */ - IX_I2C_FAIL, /**< Fail status */ - IX_I2C_NOT_SUPPORTED, /**< hardware does not have dedicated I2C hardware */ - IX_I2C_NULL_POINTER, /**< parameter passed in is NULL */ - IX_I2C_INVALID_SPEED_MODE_ENUM_VALUE, /**< speed mode selected is invalid */ - IX_I2C_INVALID_FLOW_MODE_ENUM_VALUE, /**< flow mode selected is invalid */ - IX_I2C_SLAVE_ADDR_CB_MISSING, /**< slave callback is NULL */ - IX_I2C_GEN_CALL_CB_MISSING, /**< general callback is NULL */ - IX_I2C_INVALID_SLAVE_ADDR, /**< invalid slave address specified */ - IX_I2C_INT_BIND_FAIL, /**< interrupt bind fail */ - IX_I2C_INT_UNBIND_FAIL, /**< interrupt unbind fail */ - IX_I2C_NOT_INIT, /**< I2C is not initialized yet */ - IX_I2C_MASTER_BUS_BUSY, /**< master detected a I2C bus busy */ - IX_I2C_MASTER_ARB_LOSS, /**< master experienced arbitration loss */ - IX_I2C_MASTER_XFER_ERROR, /**< master experienced a transfer error */ - IX_I2C_MASTER_BUS_ERROR, /**< master detected a I2C bus error */ - IX_I2C_MASTER_NO_BUFFER, /**< no buffer provided for master transfer */ - IX_I2C_MASTER_INVALID_XFER_MODE, /**< xfer mode selected is invalid */ - IX_I2C_SLAVE_ADDR_NOT_DETECTED, /**< polled slave addr not detected */ - IX_I2C_GEN_CALL_ADDR_DETECTED, /**< polling detected general call */ - IX_I2C_SLAVE_READ_DETECTED, /**< polling detected slave read request */ - IX_I2C_SLAVE_WRITE_DETECTED, /**< polling detected slave write request */ - IX_I2C_SLAVE_NO_BUFFER, /**< no buffer provided for slave transfers */ - IX_I2C_DATA_SIZE_ZERO, /**< data size transfer is zero - invalid */ - IX_I2C_SLAVE_WRITE_BUFFER_EMPTY, /**< slave buffer is used till empty */ - IX_I2C_SLAVE_WRITE_ERROR, /**< slave write experienced an error */ - IX_I2C_SLAVE_OR_GEN_READ_BUFFER_FULL, /**< slave buffer is filled up */ - IX_I2C_SLAVE_OR_GEN_READ_ERROR /**< slave read experienced an error */ -} IX_I2C_STATUS; - -/** - * @ingroup IxI2cDrv - * - * @enum IxI2cSpeedMode - * - * @brief Type of speed modes supported by the I2C hardware. - */ -typedef enum -{ - IX_I2C_NORMAL_MODE = 0x0, - IX_I2C_FAST_MODE -} IxI2cSpeedMode; - -/** - * @ingroup IxI2cDrv - * - * @enum IxI2cXferMode - * - * @brief Used for indicating it is a repeated start or normal transfer - */ -typedef enum -{ - IX_I2C_NORMAL = 0x0, - IX_I2C_REPEATED_START -} IxI2cXferMode; - -/** - * @ingroup IxI2cDrv - * - * @enum IxI2cFlowMode - * - * @brief Used for indicating it is a poll or interrupt mode - */ -typedef enum -{ - IX_I2C_POLL_MODE = 0x0, - IX_I2C_INTERRUPT_MODE -} IxI2cFlowMode; - -/** - * @ingroup IxI2cDrv - * - * @enum IxI2cDelayMode - * - * @brief Used for selecting looping delay or OS scheduler delay - */ -typedef enum -{ - IX_I2C_LOOP_DELAY = 1, /**< delay in microseconds */ - IX_I2C_SCHED_DELAY /**< delay in miliseconds */ -} IxI2cDelayMode; - -/** - * @ingroup IxI2cDrv - * - * @brief The pointer to the function that will be called when the master - * has completed its receive. The parameter that is passed will - * provide the status of the read (success, arb loss, or bus - * error), the transfer mode (normal or repeated start, the - * buffer pointer and number of bytes transferred. - */ -typedef void (*IxI2cMasterReadCallbackP)(IxI2cMasterStatus, IxI2cXferMode, char*, UINT32); - -/** - * @ingroup IxI2cDrv - * - * @brief The pointer to the function that will be called when the master - * has completed its transmit. The parameter that is passed will - * provide the status of the write (success, arb loss, or buss - * error), the transfer mode (normal or repeated start), the - * buffer pointer and number of bytes transferred. - */ -typedef void (*IxI2cMasterWriteCallbackP)(IxI2cMasterStatus, IxI2cXferMode, char*, UINT32); - -/** - * @ingroup IxI2cDrv - * - * @brief The pointer to the function that will be called when a slave - * address detected in interrupt mode for a read. The parameters - * that is passed will provide the read status, buffer pointer, - * buffer size, and the bytes received. When a start of a read - * is initiated there will be no buffer allocated and this callback - * will be called to request for a buffer. While receiving, if the - * buffer gets filled, this callback will be called to request for - * a new buffer while sending the filled buffer's pointer and size, - * and data size received. When the receive is complete, this - * callback will be called to process the data and free the memory - * by passing the buffer's pointer and size, and data size received. - */ -typedef void (*IxI2cSlaveReadCallbackP)(IX_I2C_STATUS, char*, UINT32, UINT32); - -/** - * @ingroup IxI2cDrv - * - * @brief The pointer to the function that will be called when a slave - * address detected in interrupt mode for a write. The parameters - * that is passed will provide the write status, buffer pointer, - * buffer size, and the bytes received. When a start of a write is - * initiated there will be no buffer allocated and this callback - * will be called to request for a buffer and to fill it with data. - * While transmitting, if the data in the buffer empties, this - * callback will be called to request for more data to be filled in - * the same or new buffer. When the transmit is complete, this - * callback will be called to free the memory or other actions to - * be taken. - */ -typedef void (*IxI2cSlaveWriteCallbackP)(IX_I2C_STATUS, char*, UINT32, UINT32); - -/** - * @ingroup IxI2cDrv - * - * @brief The pointer to the function that will be called when a general - * call detected in interrupt mode for a read. The parameters that - * is passed will provide the read status, buffer pointer, buffer - * size, and the bytes received. When a start of a read is - * initiated there will be no buffer allocated and this callback - * will be called to request for a buffer. While receiving, if the - * buffer gets filled, this callback will be called to request for - * a new buffer while sending the filled buffer's pointer and size, - * and data size received. When the receive is complete, this - * callback will be called to process the data and free the memory - * by passing the buffer's pointer and size, and data size received. - */ -typedef void (*IxI2cGenCallCallbackP)(IX_I2C_STATUS, char*, UINT32, UINT32); - -/* - * Section for struct - */ - -/** - * @brief contains all the variables required to initialize the I2C unit - * - * Structure to be filled and used for calling initialization - */ -typedef struct -{ - IxI2cSpeedMode I2cSpeedSelect; /**<Select either normal (100kbps) - or fast mode (400kbps)*/ - IxI2cFlowMode I2cFlowSelect; /**<Select interrupt or poll mode*/ - IxI2cMasterReadCallbackP MasterReadCBP; - /**<The master read callback pointer */ - IxI2cMasterWriteCallbackP MasterWriteCBP; - /**<The master write callback pointer */ - IxI2cSlaveReadCallbackP SlaveReadCBP; - /**<The slave read callback pointer */ - IxI2cSlaveWriteCallbackP SlaveWriteCBP; - /**<The slave write callback pointer */ - IxI2cGenCallCallbackP GenCallCBP; - /**<The general call callback pointer */ - BOOL I2cGenCallResponseEnable; /**<Enable/disable the unit to - respond to generall calls.*/ - BOOL I2cSlaveAddrResponseEnable;/**<Enable/disable the unit to - respond to the slave address set in - ISAR*/ - BOOL SCLEnable; /**<Enable/disable the unit from - driving the SCL line during master - mode operation*/ - UINT8 I2cHWAddr; /**<The address the unit will - response to as a slave device*/ -} IxI2cInitVars; - -/** - * @brief contains results of counters and their overflow - * - * Structure contains all values of counters and associated overflows. - */ -typedef struct -{ - UINT32 ixI2cMasterXmitCounter; /**<Total bytes transmitted as - master.*/ - UINT32 ixI2cMasterFailedXmitCounter; /**<Total bytes failed for - transmission as master.*/ - UINT32 ixI2cMasterRcvCounter; /**<Total bytes received as - master.*/ - UINT32 ixI2cMasterFailedRcvCounter; /**<Total bytes failed for - receival as master.*/ - UINT32 ixI2cSlaveXmitCounter; /**<Total bytes transmitted as - slave.*/ - UINT32 ixI2cSlaveFailedXmitCounter; /**<Total bytes failed for - transmission as slave.*/ - UINT32 ixI2cSlaveRcvCounter; /**<Total bytes received as - slave.*/ - UINT32 ixI2cSlaveFailedRcvCounter; /**<Total bytes failed for - receival as slave.*/ - UINT32 ixI2cGenAddrCallSucceedCounter; /**<Total bytes successfully - transmitted for general address.*/ - UINT32 ixI2cGenAddrCallFailedCounter; /**<Total bytes failed transmission - for general address.*/ - UINT32 ixI2cArbLossCounter; /**<Total instances of arbitration - loss has occured.*/ -} IxI2cStatsCounters; - - -/* - * Section for prototypes interface functions - */ - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvInit( - IxI2cInitVars *InitVarsSelected) - * - * @brief Initializes the I2C Driver. - * - * @param "IxI2cInitVars [in] *InitVarsSelected" - struct containing required - * variables for initialization - * - * Global Data : - * - None. - * - * This API will check if the hardware supports this I2C driver and the validity - * of the parameters passed in. It will continue to process the parameters - * passed in by setting the speed of the I2C unit (100kbps or 400kbps), setting - * the flow to either interrupt or poll mode, setting the address of the I2C unit, - * enabling/disabling the respond to General Calls, enabling/disabling the respond - * to Slave Address and SCL line driving. If it is interrupt mode, then it will - * register the callback routines for master, slavetransfer and general call receive. - * - * @return - * - IX_I2C_SUCCESS - Successfully initialize and enable the I2C - * hardware. - * - IX_I2C_NOT_SUPPORTED - The hardware does not support or have a - * dedicated I2C unit to support this driver - * - IX_I2C_NULL_POINTER - The parameter passed in is a NULL pointed - * - IX_I2C_INVALID_SPEED_MODE_ENUM_VALUE - The speed mode selected in the - * InitVarsSelected is invalid - * - IX_I2C_INVALID_FLOW_MODE_ENUM_VALUE - The flow mode selected in the - * InitVarsSelected is invalid - * - IX_I2C_INVALID_SLAVE_ADDR - The address 0x0 is reserved for - * general call. - * - IX_I2C_SLAVE_ADDR_CB_MISSING - interrupt mode is selected but - * slave address callback pointer is NULL - * - IX_I2C_GEN_CALL_CB_MISSING - interrupt mode is selected but - * general call callback pointer is NULL - * - IX_I2C_INT_BIND_FAIL - The ISR for the I2C failed to bind - * - IX_I2C_INT_UNBIND_FAIL - The ISR for the I2C failed to unbind - * - * @li Reentrant : yes - * @li ISR Callable : yes - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvInit(IxI2cInitVars *InitVarsSelected); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvUninit( - void) - * - * @brief Disables the I2C hardware - * - * @param - None - * - * Global Data : - * - None. - * - * This API will disable the I2C hardware, unbind interrupt, and unmap memory. - * - * @return - * - IX_I2C_SUCCESS - successfully un-initialized I2C - * - IX_I2C_INT_UNBIND_FAIL - failed to unbind the I2C interrupt - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : yes - * @li ISR Callable : yes - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvUninit(void); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvSlaveAddrSet( - UINT8 SlaveAddrSet) - * - * @brief Sets the I2C Slave Address - * - * @param "UINT8 [in] SlaveAddrSet" - Slave Address to be inserted into ISAR - * - * Global Data : - * - None. - * - * This API will insert the SlaveAddrSet into the ISAR. - * - * @return - * - IX_I2C_SUCCESS - successfuly set the slave addr - * - IX_I2C_INVALID_SLAVE_ADDR - invalid slave address (zero) specified - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : yes - * @li ISR Callable : yes - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvSlaveAddrSet(UINT8 SlaveAddrSet); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvBusScan( - void) - * - * @brief scans the I2C bus for slave devices - * - * @param - None - * - * Global Data : - * - None. - * - * This API will prompt all slave addresses for a reply except its own - * - * @return - * - IX_I2C_SUCCESS - found at least one slave device - * - IX_I2C_FAIL - Fail to find even one slave device - * - IX_I2C_BUS_BUSY - The I2C bus is busy (held by another I2C master) - * - IX_I2C_ARB_LOSS - The I2C bus was loss to another I2C master - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : yes - * @li ISR Callable : yes - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvBusScan(void); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvWriteTransfer( - UINT8 SlaveAddr, - char *bufP, - UINT32 dataSize, - IxI2cXferMode XferModeSelect) - * - * @param "UINT8 [in] SlaveAddr" - The slave address to request data from. - * @param "char [in] *bufP" - The pointer to the data to be transmitted. - * @param "UINT32 [in] dataSize" - The number of bytes requested. - * @param "IxI2cXferMode [in] XferModeSelect" - the transfer mode selected, - * either repeated start (ends w/o stop) or normal (start and stop) - * - * Global Data : - * - None. - * - * This API will try to obtain master control of the I2C bus and transmit the - * number of bytes, specified by dataSize, to the user specified slave - * address from the buffer pointer. It will use either interrupt or poll mode - * depending on the method selected. - * - * If in interrupt mode and IxI2cMasterWriteCallbackP is not NULL, the driver - * will initiate the transfer and return immediately. The function pointed to - * by IxI2cMasterWriteCallbackP will be called in the interrupt service - * handlers when the operation is complete. - * - * If in interrupt mode and IxI2cMasterWriteCallbackP is NULL, then the driver - * will wait for the operation to complete, and then return. - * - * And if the repeated start transfer mode is selected, then it will not send a - * stop signal at the end of all the transfers. - * *NOTE*: If repeated start transfer mode is selected, it has to end with a - * normal mode transfer mode else the bus will continue to be held - * by the IXP. - * - * @return - * - IX_I2C_SUCCESS - Successfuuly wrote data to slave. - * - IX_I2C_MASTER_BUS_BUSY - The I2C bus is busy (held by another I2C master) - * - IX_I2C_MASTER_ARB_LOSS - The I2C bus was loss to another I2C master - * - IX_I2C_MASTER_XFER_ERROR - There was a transfer error - * - IX_I2C_MASTER_BUS_ERROR - There was a bus error during transfer - * - IX_I2C_MASTER_NO_BUFFER - buffer pointer is NULL - * - IX_I2C_MASTER_INVALID_XFER_MODE - Xfer mode selected is invalid - * - IX_I2C_DATA_SIZE_ZERO - dataSize passed in is zero, which is invalid - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : no - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvWriteTransfer( - UINT8 SlaveAddr, - char *bufP, - UINT32 dataSize, - IxI2cXferMode XferModeSelect); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvReadTransfer( - UINT8 SlaveAddr, - char *bufP, - UINT32 dataSize, - IxI2cXferMode XferModeSelect) - * - * @brief Initiates a transfer to receive bytes of data from a slave - * device through the I2C bus. - * - * @param "UINT8 [in] SlaveAddr" - The slave address to request data from. - * @param "char [out] *bufP" - The pointer to the buffer to store the - * requested data. - * @param "UINT32 [in] dataSize" - The number of bytes requested. - * @param "IxI2cXferMode [in] XferModeSelect" - the transfer mode selected, - * either repeated start (ends w/o stop) or normal (start and stop) - * - * Global Data : - * - None. - * - * This API will try to obtain master control of the I2C bus and receive the - * number of bytes, specified by dataSize, from the user specified address - * into the receive buffer. It will use either interrupt or poll mode depending - * on the mode selected. - * - * If in interrupt mode and IxI2cMasterReadCallbackP is not NULL, the driver - * will initiate the transfer and return immediately. The function pointed to - * by IxI2cMasterReadCallbackP will be called in the interrupt service - * handlers when the operation is complete. - * - * If in interrupt mode and IxI2cMasterReadCallbackP is NULL, then the driver will - * wait for the operation to complete, and then return. - * - * And if the repeated start transfer mode is selected, then it will not send a - * stop signal at the end of all the transfers. - * *NOTE*: If repeated start transfer mode is selected, it has to end with a - * normal mode transfer mode else the bus will continue to be held - * by the IXP. - * - * @return - * - IX_I2C_SUCCESS - Successfuuly read slave data - * - IX_I2C_MASTER_BUS_BUSY - The I2C bus is busy (held by another I2C master) - * - IX_I2C_MASTER_ARB_LOSS - The I2C bus was loss to another I2C master - * - IX_I2C_MASTER_XFER_ERROR - There was a bus error during transfer - * - IX_I2C_MASTER_BUS_ERROR - There was a bus error during transfer - * - IX_I2C_MASTER_NO_BUFFER - buffer pointer is NULL - * - IX_I2C_MASTER_INVALID_XFER_MODE - Xfer mode selected is invalid - * - IX_I2C_INVALID_SLAVE_ADDR - invalid slave address (zero) specified - * - IX_I2C_DATA_SIZE_ZERO - dataSize passed in is zero, which is invalid - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : no - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvReadTransfer( - UINT8 SlaveAddr, - char *bufP, - UINT32 dataSize, - IxI2cXferMode XferModeSelect); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvSlaveAddrAndGenCallDetectedCheck( - void) - * - * @brief Checks the I2C Status Register to determine if a slave address is - * detected - * - * @param - None - * - * Global Data : - * - None. - * - * This API is used in polled mode to determine if the I2C unit is requested - * for a slave or general call transfer. If it is requested for a slave - * transfer then it will determine if it is a general call (read only), read, - * or write transfer requested. - * - * @return - * - IX_I2C_SLAVE_ADDR_NOT_DETECTED - The I2C unit is not requested for slave - * transfer - * - IX_I2C_GEN_CALL_ADDR_DETECTED - The I2C unit is not requested for slave - * transfer but for general call - * - IX_I2C_SLAVE_READ_DETECTED - The I2C unit is requested for a read - * - IX_I2C_SLAVE_WRITE_DETECTED - The I2C unit is requested for a write - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : no - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvSlaveAddrAndGenCallDetectedCheck(void); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvSlaveOrGenDataReceive( - char *bufP, - UINT32 bufSize, - UINT32 *dataSizeRcvd) - * - * @brief Performs the slave receive or general call receive data transfer - * - * @param "char [in] *bufP" - the pointer to the buffer to store data - * "UINT32 [in] bufSize" - the buffer size allocated - * "UINT32 [in] *dataSizeRcvd" - the length of data received in bytes - * - * Global Data : - * - None. - * - * This API is only used in polled mode to perform the slave read or general call - * receive data. It will continuously store the data received into bufP until - * complete or until bufP is full in which it will return - * IX_I2C_SLAVE_OR_GEN_READ_BUFFER_FULL. If in interrupt mode, the callback will be - * used. - * - * @return - * - IX_I2C_SUCCESS - The I2C driver transferred the data successfully. - * - IX_I2C_SLAVE_OR_GEN_READ_BUFFER_FULL - The I2C driver has ran out of - * space to store the received data. - * - IX_I2C_SLAVE_OR_GEN_READ_ERROR - The I2C driver didn't manage to - * detect the IDBR Rx Full bit - * - IX_I2C_DATA_SIZE_ZERO - bufSize passed in is zero, which is invalid - * - IX_I2C_SLAVE_NO_BUFFER - buffer pointer is NULL - * - IX_I2C_NULL_POINTER - dataSizeRcvd is NULL - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : no - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvSlaveOrGenDataReceive( - char *bufP, - UINT32 bufSize, - UINT32 *dataSizeRcvd); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvSlaveDataTransmit( - char *bufP, - UINT32 dataSize, - UINT32 *dataSizeXmtd) - * - * @brief Performs the slave write data transfer - * - * @param "char [in] *bufP" - the pointer to the buffer for data to be - * transmitted - * "UINT32 [in] bufSize" - the buffer size allocated - * "UINT32 [in] *dataSizeRcvd" - the length of data trasnmitted in - * bytes - * - * Global Data : - * - None. - * - * This API is only used in polled mode to perform the slave transmit data. It - * will continuously transmit the data from bufP until complete or until bufP - * is empty in which it will return IX_I2C_SLAVE_WRITE_BUFFER_EMPTY. If in - * interrupt mode, the callback will be used. - * - * @return - * - IX_I2C_SUCCESS - The I2C driver transferred the data successfully. - * - IX_I2C_SLAVE_WRITE_BUFFER_EMPTY - The I2C driver needs more data to - * transmit. - * - IX_I2C_SLAVE_WRITE_ERROR -The I2C driver didn't manage to detect the - * IDBR Tx empty bit or the slave stop bit. - * - IX_I2C_DATA_SIZE_ZERO - dataSize passed in is zero, which is invalid - * - IX_I2C_SLAVE_NO_BUFFER - buffer pointer is NULL - * - IX_I2C_NULL_POINTER - dataSizeXmtd is NULL - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : no - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvSlaveDataTransmit( - char *bufP, - UINT32 dataSize, - UINT32 *dataSizeXmtd); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvSlaveOrGenCallBufReplenish( - char *bufP, - UINT32 bufSize) - * - * @brief Replenishes the buffer which stores buffer info for both slave and - * general call - * - * @param "char [in] *bufP" - pointer to the buffer allocated - * "UINT32 [in] bufSize" - size of the buffer - * - * Global Data : - * - None. - * - * This API is only used in interrupt mode for replenishing the same buffer - * that is used by both slave and generall call by updating the buffer info - * with new info and clearing previous offsets set by previous transfers. - * - * @return - * - None - * - * @li Reentrant : no - * @li ISR Callable : no - * - */ -PUBLIC void -ixI2cDrvSlaveOrGenCallBufReplenish( - char *bufP, - UINT32 bufSize); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvStatsGet(IxI2cStatsCounters *I2cStats) - * - * @brief Returns the I2C Statistics through the pointer passed in - * - * @param - "IxI2cStatsCounters [out] *I2cStats" - I2C statistics counter will - * be read and written to the location pointed by this pointer. - * - * Global Data : - * - None. - * - * This API will return the statistics counters of the I2C driver. - * - * @return - * - IX_I2C_NULL_POINTER - pointer passed in is NULL - * - IX_I2C_SUCCESS - successfully obtained I2C statistics - * - * @li Reentrant : yes - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvStatsGet(IxI2cStatsCounters *I2cStats); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvStatsReset(void) - * - * @brief Reset I2C statistics counters. - * - * @param - None - * - * Global Data : - * - None. - * - * This API will reset the statistics counters of the I2C driver. - * - * @return - * - None - * - * @li Reentrant : yes - * @li ISR Callable : no - * - */ -PUBLIC void -ixI2cDrvStatsReset(void); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvShow(void) - * - * @brief Displays the I2C status register and the statistics counter. - * - * @param - None - * - * Global Data : - * - None. - * - * This API will display the I2C Status register and is useful if any error - * occurs. It displays the detection of bus error, slave address, general call, - * address, IDBR receive full, IDBR transmit empty, arbitration loss, slave - * STOP signal, I2C bus busy, unit busy, ack/nack, and read/write mode. It will - * also call the ixI2cDrvGetStats and then display the statistics counter. - * - * @return - * - IX_I2C_SUCCESS - successfully displayed statistics and status register - * - IX_I2C_NOT_INIT - I2C not init yet. - * - * @li Reentrant : yes - * @li ISR Callable : no - * - */ -PUBLIC IX_I2C_STATUS -ixI2cDrvShow(void); - -/** - * @ingroup IxI2cDrv - * - * @fn ixI2cDrvDelayTypeSelect (IxI2cDelayMode delayMechanismSelect) - * - * @brief Sets the delay type of either looping delay or OS scheduler delay - * according to the argument provided. - * - * @param - "IxI2cDelayMode [in] delayTypeSelect" - the I2C delay type selected - * - * Global Data : - * - None. - * - * This API will set the delay type used by the I2C Driver to either looping - * delay or OS scheduler delay. - * - * @return - * - None - * - * @li Reentrant : yes - * @li ISR Callable : no - * - */ -PUBLIC void -ixI2cDrvDelayTypeSelect (IxI2cDelayMode delayTypeSelect); - -#endif /* __ixp46X */ -#endif /* IXI2CDRV_H */ |
