287 lines
10 KiB
C
287 lines
10 KiB
C
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/***************************************************************************
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* Copyright (c) 2014 Amlogic, Inc. All rights reserved.
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*
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* This source code is subject to the terms and conditions defined in the
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* file 'LICENSE' which is part of this source code package.
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*
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* Description:
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*/
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/**\file
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* \brief smart card communication module
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*
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* \author Gong Ke <ke.gong@amlogic.com>
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* \date 2010-06-29: create the document
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***************************************************************************/
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#ifndef _AM_SMC_H
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#define _AM_SMC_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/****************************************************************************
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* Macro definitions
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***************************************************************************/
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#define AM_SMC_MAX_ATR_LEN (33)
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/****************************************************************************
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* Error code definitions
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****************************************************************************/
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/**\brief Error code of the Smart card module*/
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enum AM_SMC_ErrorCode
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{
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AM_SMC_ERROR_BASE = 1,
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AM_SMC_ERR_INVALID_DEV_NO, /**< Invalid device number*/
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AM_SMC_ERR_BUSY, /**< The device has already been openned*/
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AM_SMC_ERR_NOT_OPENNED, /**< The device is not yet open*/
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AM_SMC_ERR_CANNOT_OPEN_DEV, /**< Failed to open device*/
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AM_SMC_ERR_CANNOT_CREATE_THREAD, /**< Creating device failure*/
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AM_SMC_ERR_TIMEOUT, /**< Timeout*/
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AM_SMC_ERR_NOT_SUPPORTED, /**< The device does not support this function*/
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AM_SMC_ERR_IO, /**< Device input or output errors*/
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AM_SMC_ERR_BUF_TOO_SMALL, /**< Buffer too small*/
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AM_SMC_ERR_NO_CARD, /**< Smart card not inserted*/
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AM_SMC_ERR_END
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};
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/****************************************************************************
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* Event type definitions
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****************************************************************************/
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/**\brief Event type of Smart card module*/
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enum AM_SMC_EventType
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{
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AM_SMC_EVT_BASE=0,
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AM_SMC_EVT_CARD_IN, /**< Smart card insert*/
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AM_SMC_EVT_CARD_OUT, /**< Smart card pull out*/
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AM_SMC_EVT_END
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};
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/****************************************************************************
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* Type definitions
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***************************************************************************/
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/**\brief Smart card device enable parameter*/
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typedef struct
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{
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int enable_thread; /**< check the thread of check smart card status is enable*/
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} AM_SMC_OpenPara_t;
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/**\brief Insert Status type of smart card */
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typedef enum
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{
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AM_SMC_CARD_OUT, /**< Smart card pull out*/
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AM_SMC_CARD_IN /**< Smart card insert*/
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} AM_SMC_CardStatus_t;
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/**\brief Smart card status callback*/
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typedef void (*AM_SMC_StatusCb_t) (int dev_no, AM_SMC_CardStatus_t status, void *data);
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/** brief Smart card device parameter*/
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typedef struct
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{
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int f; /**<Clock frequency conversion coefficient*/
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int d; /**<baud rate coefficient*/
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int n; /**<the N parameter is used to provide extra guard time between characters.*/
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int bwi; /**<The BWI is used to define the Block Wait Time*/
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int cwi; /**<The CWT is defined as the wait time between characters*/
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int bgt; /**<Block Guard Time*/
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int freq; /**<clock frequency*/
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int recv_invert; /**<1:invert the data bits (excluding the parity) during receiving*/
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int recv_lsb_msb; /**<1:Swap MSBits / Lsbits during receiving*/
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int recv_no_parity; /**<Ignore parity,This is useful during debug*/
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int recv_parity; /**< 1:Invert Parity during receiving*/
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int xmit_invert; /**<1:invert the data bits (excluding the parity)*/
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int xmit_lsb_msb; /**<1:Swap MSBits / LSbits*/
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int xmit_retries; /**<Number of attempts to make sending a character.*/
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int xmit_repeat_dis; /**<Set this bit to 1 to disable character repeats when an error is detected.*/
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int xmit_parity; /**<1:Invert Parity*/
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}AM_SMC_Param_t;
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/****************************************************************************
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* Function prototypes
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***************************************************************************/
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/**\brief Open smart card device
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* \param dev_no Smart card device number
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* \param[in] para Smart card device open parameter
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Open(int dev_no, const AM_SMC_OpenPara_t *para);
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/**\brief Close smart cart device
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* \param dev_no Smart card device number
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Close(int dev_no);
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/**\brief Get smart card insert status
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* \param dev_no Smart card device number
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* \param[out] status inert status of smart card device
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_GetCardStatus(int dev_no, AM_SMC_CardStatus_t *status);
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/**\brief Reset smart card
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* \param dev_no Smart card device number
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* \param[out] atr Smart card attribute data
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* \param[in,out] len input attribute len,out the actual attribute length
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Reset(int dev_no, uint8_t *atr, int *len);
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/**\brief Read data from Smart card device
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* Read data directly from the smart card device,
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* The thread that calls the function will block,
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* Until the expiration of the expected number of data read
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* Or timeout.
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* \param dev_no Smart card device number
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* \param[out] data Read data buffer
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* \param[in] len want read Data length
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* \param timeout Read timeout in milliseconds, <0 said the permanent wait.
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Read(int dev_no, uint8_t *data, int len, int timeout);
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/**\brief write data to smard card device
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* Write data to the smart card device,
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* The thread that calls the function will block,
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* Until the expiration of the expected number of data write
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* Or timeout.
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* \param dev_no Smart card device number
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* \param[in] data Write data buffer
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* \param[in] len want write Data length
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* \param timeout Write timeout in milliseconds, <0 said the permanent wait.
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Write(int dev_no, const uint8_t *data, int len, int timeout);
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/**\brief Read data from Smart card device
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* Read data directly from the smart card device,
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* The thread that calls the function will block,
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* Until the expiration of the expected number of data read
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* Or timeout.
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* \param dev_no Smart card device number
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* \param[out] data Read data buffer
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* \param[out] act_len Actual read data length
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* \param[in] len len want read Data length
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* \param timeout Read timeout in milliseconds, <0 said the permanent wait.
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_ReadEx(int dev_no, uint8_t *data, int *act_len, int len, int timeout);
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/**\brief write data to smard card device
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* Write data to the smart card device,
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* The thread that calls the function will block,
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* Until the expiration of the expected number of data write
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* Or timeout.
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* \param dev_no Smart card device number
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* \param[in] data Write data buffer
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* \param[out] act_len Actual Write data length
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* \param[in] len len want write Data length
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* \param timeout Write timeout in milliseconds, <0 said the permanent wait.
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_WriteEx(int dev_no, const uint8_t *data, int *act_len, int len, int timeout);
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/**\brief Transmit data by T0 protocol
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* \param dev_no Smart card device number
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* \param[in] send send data buffer
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* \param[in] slen send data length
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* \param[out] recv Receive data buffer
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* \param[out] rlen Receive data length
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_TransferT0(int dev_no, const uint8_t *send, int slen, uint8_t *recv, int *rlen);
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/**\brief Transmit data by T1 protocol
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* \param dev_no Smart card device number
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* \param[in] send send data buffer
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* \param[in] slen send data length
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* \param[out] recv Receive data buffer
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* \param[out] rlen Receive data length
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_TransferT1(int dev_no, const uint8_t *send, int slen, uint8_t *recv, int *rlen);
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/**\brief Transmit data by T14 protocol
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* \param dev_no Smart card device number
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* \param[in] send send data buffer
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* \param[in] slen send data length
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* \param[out] recv Receive data buffer
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* \param[out] rlen Receive data length
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_TransferT14(int dev_no, const uint8_t *send, int slen, uint8_t *recv, int *rlen);
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/**\brief Get callback function of the smart card status
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* \param dev_no Smart card device number
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* \param[out] cb The pointer of callback function
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* \param[out] data user data
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_GetCallback(int dev_no, AM_SMC_StatusCb_t *cb, void **data);
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/**\brief Set callback function of the smart card status
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* \param dev_no Smart card device number
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* \param[in] cb The pointer of callback function
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* \param[in] data user data
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_SetCallback(int dev_no, AM_SMC_StatusCb_t cb, void *data);
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/**\brief Activate smart card device
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* \param dev_no Smart card device number
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Active(int dev_no);
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/**\brief Deactivate smart card device
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* \param dev_no Smart card device number
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_Deactive(int dev_no);
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/**\brief Get smart card parameters
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* \param dev_no Smart card device number
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* \param[out] para smart card parameters
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_GetParam(int dev_no, AM_SMC_Param_t *para);
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/**\brief Set smart card parameters
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* \param dev_no Smart card device number
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* \param[in] para smart card parameters
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* \retval AM_SUCCESS On success
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* \return Error code
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*/
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int AM_SMC_SetParam(int dev_no, const AM_SMC_Param_t *para);
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#ifdef __cplusplus
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}
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#endif
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#endif
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