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 #ifdef HAS_BDROID_BUILDCFG 33 #include "bdroid_buildcfg.h" 34 #endif 35 36 /****************************************************************************** 37 ** Constants & Macros 38 ******************************************************************************/ 39 40 #if __STDC_VERSION__ < 199901L 41 # ifndef FALSE 42 # define FALSE 0 43 # endif 44 # ifndef TRUE 45 # define TRUE (!FALSE) 46 # endif 47 #else 48 # include <stdbool.h> 49 # ifndef FALSE 50 # define FALSE false 51 # endif 52 # ifndef TRUE 53 # define TRUE true 54 # endif 55 #endif 56 57 #define HCI_ACL_MAX_SIZE 1024 58 #define HCI_MAX_FRAME_SIZE (HCI_ACL_MAX_SIZE + 4) 59 60 /* Host/Controller lib internal event ID */ 61 typedef enum { 62 HC_EVENT_LPM_IDLE_TIMEOUT, 63 } bthc_event_t; 64 65 /* Message event mask across Host/Controller lib and stack */ 66 #define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */ 67 #define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */ 68 69 /* Message event ID passed from Host/Controller lib to stack */ 70 #define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */ 71 #define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */ 72 #define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */ 73 #define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */ 74 #define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */ 75 76 /* Message event ID passed from stack to vendor lib */ 77 #define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */ 78 #define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */ 79 #define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */ 80 81 /* Local Bluetooth Controller ID for BR/EDR */ 82 #define LOCAL_BR_EDR_CONTROLLER_ID 0 83 84 /****************************************************************************** 85 ** Type definitions and return values 86 ******************************************************************************/ 87 88 typedef struct 89 { 90 uint16_t event; 91 uint16_t len; 92 uint16_t offset; 93 uint16_t layer_specific; 94 uint8_t data[]; 95 } HC_BT_HDR; 96 97 #define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR)) 98 99 typedef struct _hc_buffer_hdr 100 { 101 struct _hc_buffer_hdr *p_next; /* next buffer in the queue */ 102 uint8_t reserved1; 103 uint8_t reserved2; 104 uint8_t reserved3; 105 uint8_t reserved4; 106 } HC_BUFFER_HDR_T; 107 108 #define BT_HC_BUFFER_HDR_SIZE (sizeof(HC_BUFFER_HDR_T)) 109 110 /****************************************************************************** 111 ** Extern variables and functions 112 ******************************************************************************/ 113 114 /****************************************************************************** 115 ** Functions 116 ******************************************************************************/ 117 118 // Called when a buffer has been produced by the serial layer and should be 119 // processed by the HCI layer. 120 void bthc_rx_ready(void); 121 void bthc_tx(HC_BT_HDR *buf); 122 void bthc_idle_timeout(void); 123