OVMS3-idf/components/bt/bluedroid/gki/include/gki.h

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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _GKI_H_
#define _GKI_H_
#include "bt_target.h"
#include "bt_types.h"
#include "gki_common.h"
#include "gki_int.h"
#include "allocator.h"
#define ALIGN_POOL(pl_size) ( (((pl_size) + 3) / sizeof(UINT32)) * sizeof(UINT32))
#define BUFFER_HDR_SIZE (sizeof(BUFFER_HDR_T)) /* Offset past header */
#define BUFFER_PADDING_SIZE (sizeof(BUFFER_HDR_T) + sizeof(UINT32)) /* Header + Magic Number */
#define MAGIC_NO 0xDDBADDBA
#define BUF_STATUS_FREE 0
#define BUF_STATUS_UNLINKED 1
#define BUF_STATUS_QUEUED 2
/* Timer list entry callback type
*/
typedef void (TIMER_CBACK)(void *p_tle);
#ifndef TIMER_PARAM_TYPE
#define TIMER_PARAM_TYPE UINT32
#endif
/* Define a timer list entry
*/
typedef struct _tle {
struct _tle *p_next;
struct _tle *p_prev;
TIMER_CBACK *p_cback;
INT32 ticks;
INT32 ticks_initial;
TIMER_PARAM_TYPE param;
TIMER_PARAM_TYPE data;
UINT16 event;
UINT8 in_use;
} TIMER_LIST_ENT;
/***********************************************************************
** This queue is a general purpose buffer queue, for application use.
*/
typedef struct {
void *_p_first;
void *_p_last;
UINT16 _count;
} BUFFER_Q;
#define GKI_PUBLIC_POOL 0 /* General pool accessible to GKI_getbuf() */
#define GKI_RESTRICTED_POOL 1 /* Inaccessible pool to GKI_getbuf() */
/***********************************************************************
** Function prototypes
*/
/* To get and release buffers, change owner and get size
*/
void *GKI_getbuf_func(UINT16);
void *GKI_getpoolbuf_func(UINT8);
void GKI_freebuf(void *);
UINT16 GKI_get_buf_size (void *);
void *GKI_getpoolbuf (UINT8);
UINT16 GKI_poolcount (UINT8);
UINT16 GKI_poolfreecount (UINT8);
UINT16 GKI_poolutilization (UINT8);
#ifdef CONFIG_BLUEDROID_MEM_DEBUG
#define GKI_getbuf(_size) \
({ \
BUFFER_HDR_T *header = osi_malloc((_size) + BUFFER_HDR_SIZE); \
header->status = BUF_STATUS_UNLINKED; \
header->p_next = NULL; \
header->Type = 0; \
header->size = (_size); \
(void *)(header + 1); \
})
#define GKI_getpoolbuf(_pool_id) \
({ \
(void *)GKI_getbuf(gki_cb.com.pool_size[(_pool_id)]); \
})
#else
#define GKI_getbuf GKI_getbuf_func
#define GKI_getpoolbuf GKI_getpoolbuf_func
#endif /* CONFIG_BLUEDROID_MEM_DEBUG */
/* User buffer queue management
*/
void *GKI_dequeue (BUFFER_Q *);
void GKI_enqueue (BUFFER_Q *, void *);
void *GKI_getfirst (BUFFER_Q *);
void *GKI_getlast (BUFFER_Q *);
void *GKI_getnext (void *);
void GKI_init_q (BUFFER_Q *);
UINT16 GKI_queue_length(BUFFER_Q *);
BOOLEAN GKI_queue_is_empty(BUFFER_Q *);
void *GKI_remove_from_queue (BUFFER_Q *, void *);
UINT16 GKI_get_pool_bufsize (UINT8);
/* Timer management
*/
void GKI_delay(UINT32);
/* Disable Interrupts, Enable Interrupts
*/
void GKI_enable(void);
void GKI_disable(void);
/* os timer operation */
UINT32 GKI_get_os_tick_count(void);
#endif /*_GKI_H_*/