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/* 
 * Copyright (c) 2003 EISLAB, Lulea University of Technology. 
 * 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. 
 * 3. The name of the author may not be used to endorse or promote products 
 *    derived from this software without specific prior written permission.  
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. 
 * 
 * This file is part of the lwBT Bluetooth stack. 
 *  
 * Author: Conny Ohult  
 * 
 */ 
 
#ifndef __LWBT_PHYBUSIF_H__ 
#define __LWBT_PHYBUSIF_H__ 
 
#include "lwip/pbuf.h" 
#include "lwip/err.h" 
 
struct phybusif_cb; 
 
/* Application program's interface: */ 
void phybusif_init(void); /* Must be called first to initialize the physical bus interface */ 
err_t phybusif_reset(struct phybusif_cb *cb); 
err_t phybusif_input(struct phybusif_cb *cb); 
 
/* Upper layer interface: */ 
void phybusif_output(struct pbuf *p, unsigned int len); 
 
enum phybusif_state { 
  W4_PACKET_TYPE, W4_EVENT_HDR, W4_EVENT_PARAM, W4_ACL_HDR, W4_ACL_DATA 
}; 
 
/* The physical bus interface control block */ 
struct phybusif_cb { 
  enum phybusif_state state; 
 
  struct pbuf *p; 
  struct pbuf *q; 
 
  struct hci_event_hdr *evhdr; 
  struct hci_acl_hdr *aclhdr; 
 
  unsigned int tot_recvd; 
  unsigned int recvd; 
 
  unsigned int bcount; 
  unsigned int bsize; 
 
  unsigned char *dmabuf; 
}; 
 
#endif /* __LWBT_PHYBUSIF_H__ */