m2mb_sdio_slave.h

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/*===============================================================================================*/
/*         >>> Copyright (C) Telit Communications S.p.A. Italy All Rights Reserved. <<<          */
/* Global declarations ==========================================================================*/
#ifndef  M2MB_SLAVE_SDIO_API_H
#define  M2MB_SLAVE_SDIO_API_H

/*-----------------------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------------------*/

/* Global typedefs ==============================================================================*/

#define M2MB_SLAVE_WRITE_DONE_EVT    (0x00000001)       
#define M2MB_SLAVE_INIT_DONE_EVT     (0x00000002)       
#define M2MB_SDIO_SLAVE_RECEIVE_BUFFER_COUNT (16)       
#define M2MB_SDIO_SLAVE_RECEIVE_BUFFER_SIZE  (1536)     
#define M2MB_NUM_BUFFERS_PER_MBOX    (16)                       
#define M2MB_SDIO_SLAVE_WRITE_BUFFER_SIZE  (2048)       
#define M2MB_MBOX_BLOCK_SIZE   256                                      
#define M2MB_MBOX_MSG_HDR_SIZE (2)                                      
#define M2MB_MBOX_PAYLOAD_MAX_SIZE (M2MB_SDIO_SLAVE_RECEIVE_BUFFER_SIZE-M2MB_MBOX_MSG_HDR_SIZE) 
#ifdef M2MB_TX_MULTIPLE_ENQ_ENABLE
#define M2MB_SDIO_SLAVE_WRITE_BUFFER_MAX   ((M2MB_SDIO_SLAVE_WRITE_BUFFER_SIZE/M2MB_SDIO_SLAVE_RECEIVE_BUFFER_SIZE)+1)  
#else
#define M2MB_SDIO_SLAVE_WRITE_BUFFER_MAX   (1)  
#endif

//#define M2MB_MBOX_MAX_TX_SIZE                 1536
#define M2MB_MBOX_MAX_TX_SIZE           256     
#define M2MB_SDIO_SLAVE_FLOW_CTRL_LOW_THRESHOLD  6   
#define M2MB_SDIO_SLAVE_FLOW_CTRL_HIGH_THRESHOLD 9  
#define M2MB_SDIO_SLAVE_MBOX_ID (0)     
typedef struct M2MB_SLAVE_SDIO_WRITE_REQUEST_S {
   UINT8 *data;         
   UINT16 length;       
} M2MB_SLAVE_SDIO_WRITE_REQUEST_T;

typedef struct M2MB_SLAVE_MBOX_MSG_S {
    UINT16 length;      
    UINT8 buffer[2048]; 
} M2MB_SLAVE_MBOX_MSG_T;

typedef struct M2M_SLAVE_SDIO_BUFFER_S {
    struct M2M_SLAVE_SDIO_BUFFER_S  *next;      
    UINT8                 *buffer;      
    UINT16                actual_length; 
    UINT8               htc_flags;      
    UINT8               end_point;      
    UINT16              buffer_offset;  
    UINT16              app_context;    
} M2MB_SLAVE_SDIO_BUFFER_T;

typedef struct M2MB_SLAVE_SDIO_S {

        CHAR            rx_buffer[M2MB_SDIO_SLAVE_RECEIVE_BUFFER_COUNT][M2MB_SDIO_SLAVE_RECEIVE_BUFFER_SIZE];
        UINT8           rx_get_index;           
        UINT8           rx_inuse_index;         
        UINT8           rx_recycle_index;       
    M2MB_SLAVE_SDIO_WRITE_REQUEST_T   write_req;        /* write req */

        M2MB_SLAVE_SDIO_BUFFER_T rx_buf_info[M2MB_SDIO_SLAVE_RECEIVE_BUFFER_COUNT];
        M2MB_SLAVE_SDIO_BUFFER_T tx_buf_info[M2MB_SDIO_SLAVE_WRITE_BUFFER_MAX];
    UINT8 tx_buffer[M2MB_SDIO_SLAVE_WRITE_BUFFER_MAX][2048];
#ifdef M2MB_TX_MULTIPLE_ENQ_ENABLE
        UINT8 tx_req_cnt;   
        UINT8 tx_done_cnt;  
#endif
        UINT16 tx_pend_len; 
        UINT16 tx_done_len; 
        UINT8 rx_enque_cnt; 
        UINT8 rx_pause;     
        M2MB_OS_SEM_HANDLE      sem_handle;             
        M2MB_OS_EV_HANDLE       tx_sem;         
        UINT8 init_done;                
        INT32 instance_id;              
        INT32 mbox_id;                  
    UINT8 enable;                       
}M2MB_SLAVE_SDIO_T;
#if 1

typedef enum {
    M2MB_SDIO_SLAVE_INSTANCE_ID = 0,
    M2MB_SPI_SLAVE_INSTANCE_ID,
    M2MB_MAX_INSTANCES
} qapi_HTC_Instance_id_t;
#endif

/* Global functions =============================================================================*/
/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_slave_sdio_send_buflist_enqueue(INT32 instance_id, INT32 mbox, M2MB_SLAVE_SDIO_BUFFER_T *bufinfo);
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_slave_sdio_send_buflist_dequeue(INT32 instance_id, INT32 mbox, M2MB_SLAVE_SDIO_BUFFER_T **pbufinfo);
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_slave_sdio_recv_buflist_enqueue(INT32 instance_id, INT32 mbox, M2MB_SLAVE_SDIO_BUFFER_T *bufinfo);
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_slave_sdio_recv_buflist_dequeue(INT32 instance_id, INT32 mbox, M2MB_SLAVE_SDIO_BUFFER_T **pbufinfo);
/*-----------------------------------------------------------------------------------------------*/
void m2mb_slave_sdio_resume_recv(INT32 instance_id, INT32 mbox);
/*-----------------------------------------------------------------------------------------------*/
void m2mb_slave_sdio_pause_recv(INT32 instance_id, INT32 mbox);
/*-----------------------------------------------------------------------------------------------*/
void m2mb_slave_sdio_tx_credit_inc(INT32 instance_id, INT32 mbox);
/*-----------------------------------------------------------------------------------------------*/
void m2mb_slave_sdio_deinit(int instance_id, int mbox);
/*-----------------------------------------------------------------------------------------------*/
void m2mb_slave_sdio_post_init(UINT32 instance_id,INT32 mbox,
                        UINT32 block_size, UINT32 rxmsg_size,void *pResetCb);
/*-----------------------------------------------------------------------------------------------*/

INT32 m2m_slave_sdio_is_initialized(void);

/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_slave_sdio_pre_init(UINT32 instance_id,INT32 mbox, UINT32 rx_buf_size,
                        void *pInitCb,void *pSendCb,void *pRecvCb, void *pContext);
/*-----------------------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------------------*/
#endif  /* M2MB_SLAVE_SDIO_API_H */