uamp_api.h

/*
 *  Name:       uamp_api.h
 *
 *  Description: Universal AMP API
 *
 * Copyright 1999-2016, Broadcom Corporation
 * All rights reserved,
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *    1. Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *    2. 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.
 *
 * This software is provided by the copyright holder "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 copyright holder 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
 *
 *
 * <<Broadcom-WL-IPTag/Open:>>
 *
 * $Id: uamp_api.h 514727 2014-11-12 03:02:48Z $
 *
 */


#ifndef UAMP_API_H
#define UAMP_API_H


#include "typedefs.h"


/*****************************************************************************
**  Constant and Type Definitions
******************************************************************************
*/

#define BT_API

/* Types. */
typedef bool	BOOLEAN;
typedef uint8	UINT8;
typedef uint16	UINT16;


/* UAMP identifiers */
#define UAMP_ID_1   1
#define UAMP_ID_2   2
typedef UINT8 tUAMP_ID;

/* UAMP event ids (used by UAMP_CBACK) */
#define UAMP_EVT_RX_READY           0   /* Data from AMP controller is ready to be read */
#define UAMP_EVT_CTLR_REMOVED       1   /* Controller removed */
#define UAMP_EVT_CTLR_READY         2   /* Controller added/ready */
typedef UINT8 tUAMP_EVT;


/* UAMP Channels */
#define UAMP_CH_HCI_CMD            0   /* HCI Command channel */
#define UAMP_CH_HCI_EVT            1   /* HCI Event channel */
#define UAMP_CH_HCI_DATA           2   /* HCI ACL Data channel */
typedef UINT8 tUAMP_CH;

/* tUAMP_EVT_DATA: union for event-specific data, used by UAMP_CBACK */
typedef union {
    tUAMP_CH channel;       /* UAMP_EVT_RX_READY: channel for which rx occured */
} tUAMP_EVT_DATA;


/*****************************************************************************
**
** Function:    UAMP_CBACK
**
** Description: Callback for events. Register callback using UAMP_Init.
**
** Parameters   amp_id:         AMP device identifier that generated the event
**              amp_evt:        event id
**              p_amp_evt_data: pointer to event-specific data
**
******************************************************************************
*/
typedef void (*tUAMP_CBACK)(tUAMP_ID amp_id, tUAMP_EVT amp_evt, tUAMP_EVT_DATA *p_amp_evt_data);

/*****************************************************************************
**  external function declarations
******************************************************************************
*/
#ifdef __cplusplus
extern "C"
{
#endif

/*****************************************************************************
**
** Function:    UAMP_Init
**
** Description: Initialize UAMP driver
**
** Parameters   p_cback:    Callback function for UAMP event notification
**
******************************************************************************
*/
BT_API BOOLEAN UAMP_Init(tUAMP_CBACK p_cback);


/*****************************************************************************
**
** Function:    UAMP_Open
**
** Description: Open connection to local AMP device.
**
** Parameters   app_id: Application specific AMP identifer. This value
**                      will be included in AMP messages sent to the
**                      BTU task, to identify source of the message
**
******************************************************************************
*/
BT_API BOOLEAN UAMP_Open(tUAMP_ID amp_id);

/*****************************************************************************
**
** Function:    UAMP_Close
**
** Description: Close connection to local AMP device.
**
** Parameters   app_id: Application specific AMP identifer.
**
******************************************************************************
*/
BT_API void UAMP_Close(tUAMP_ID amp_id);


/*****************************************************************************
**
** Function:    UAMP_Write
**
** Description: Send buffer to AMP device. Frees GKI buffer when done.
**
**
** Parameters:  app_id:     AMP identifer.
**              p_buf:      pointer to buffer to write
**              num_bytes:  number of bytes to write
**              channel:    UAMP_CH_HCI_ACL, or UAMP_CH_HCI_CMD
**
** Returns:     number of bytes written
**
******************************************************************************
*/
BT_API UINT16 UAMP_Write(tUAMP_ID amp_id, UINT8 *p_buf, UINT16 num_bytes, tUAMP_CH channel);

/*****************************************************************************
**
** Function:    UAMP_Read
**
** Description: Read incoming data from AMP. Call after receiving a
**              UAMP_EVT_RX_READY callback event.
**
** Parameters:  app_id:     AMP identifer.
**              p_buf:      pointer to buffer for holding incoming AMP data
**              buf_size:   size of p_buf
**              channel:    UAMP_CH_HCI_ACL, or UAMP_CH_HCI_EVT
**
** Returns:     number of bytes read
**
******************************************************************************
*/
BT_API UINT16 UAMP_Read(tUAMP_ID amp_id, UINT8 *p_buf, UINT16 buf_size, tUAMP_CH channel);

#ifdef __cplusplus
}
#endif

#endif /* UAMP_API_H */