1/****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19/****************************************************************************** 20 * 21 * Filename: bt_hci_bdroid.h 22 * 23 * Description: A wrapper header file of bt_hci_lib.h 24 * 25 * Contains definitions specific for interfacing with Bluedroid 26 * Bluetooth stack 27 * 28 ******************************************************************************/ 29 30#pragma once 31 32#include "bt_hci_lib.h" 33 34#ifdef HAS_BDROID_BUILDCFG 35#include "bdroid_buildcfg.h" 36#endif 37 38/****************************************************************************** 39** Constants & Macros 40******************************************************************************/ 41 42#if __STDC_VERSION__ < 199901L 43# ifndef FALSE 44# define FALSE 0 45# endif 46# ifndef TRUE 47# define TRUE (!FALSE) 48# endif 49#else 50# include <stdbool.h> 51# ifndef FALSE 52# define FALSE false 53# endif 54# ifndef TRUE 55# define TRUE true 56# endif 57#endif 58 59#define HCI_ACL_MAX_SIZE 1024 60#define HCI_MAX_FRAME_SIZE (HCI_ACL_MAX_SIZE + 4) 61 62/* Host/Controller lib internal event ID */ 63typedef enum { 64 HC_EVENT_LPM_IDLE_TIMEOUT, 65} bthc_event_t; 66 67#define MSG_CTRL_TO_HC_CMD 0x0100 /* evt mask used by HC_EVENT_TX_CMD */ 68 69/* Message event mask across Host/Controller lib and stack */ 70#define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */ 71#define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */ 72 73/* Message event ID passed from Host/Controller lib to stack */ 74#define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */ 75#define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */ 76#define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */ 77#define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */ 78#define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */ 79 80/* Message event ID passed from stack to vendor lib */ 81#define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */ 82#define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */ 83#define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */ 84 85/* Local Bluetooth Controller ID for BR/EDR */ 86#define LOCAL_BR_EDR_CONTROLLER_ID 0 87 88/* Definitions of audio codec type 89 * inherited from AG callout function "codec" parameter 90 */ 91#define SCO_CODEC_NONE 0x0000 /* BTA_AG_CODEC_NONE/BTM_SCO_CODEC_NONE */ 92#define SCO_CODEC_CVSD 0x0001 /* BTA_AG_CODEC_CVSD/BTM_SCO_CODEC_CVSD */ 93#define SCO_CODEC_MSBC 0x0002 /* BTA_AG_CODEC_MSBC/BTM_SCO_CODEC_MSBC */ 94 95/****************************************************************************** 96** Type definitions and return values 97******************************************************************************/ 98 99typedef struct 100{ 101 uint16_t event; 102 uint16_t len; 103 uint16_t offset; 104 uint16_t layer_specific; 105 uint8_t data[]; 106} HC_BT_HDR; 107 108#define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR)) 109 110typedef struct _hc_buffer_hdr 111{ 112 struct _hc_buffer_hdr *p_next; /* next buffer in the queue */ 113 uint8_t reserved1; 114 uint8_t reserved2; 115 uint8_t reserved3; 116 uint8_t reserved4; 117} HC_BUFFER_HDR_T; 118 119#define BT_HC_BUFFER_HDR_SIZE (sizeof(HC_BUFFER_HDR_T)) 120 121/****************************************************************************** 122** Extern variables and functions 123******************************************************************************/ 124 125extern bt_hc_callbacks_t *bt_hc_cbacks; 126 127/****************************************************************************** 128** Functions 129******************************************************************************/ 130 131// Called when a buffer has been produced by the serial layer and should be 132// processed by the HCI layer. 133void bthc_rx_ready(void); 134void bthc_tx(HC_BT_HDR *buf); 135void bthc_idle_timeout(void); 136