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 */ 63 typedef 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 99 typedef 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)) 109 110 typedef 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 ******************************************************************************/ 124 125 extern 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. 133 void bthc_rx_ready(void); 134 void bthc_tx(HC_BT_HDR *buf); 135 void bthc_idle_timeout(void); 136
