1 /******************************************************************************
2  *
3  *  Copyright 2014 Google, Inc.
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 #pragma once
20 
21 #include <base/functional/callback.h>
22 
23 #include "stack/include/bt_hdr.h"
24 #include "stack/include/bt_types.h"
25 
26 ///// LEGACY DEFINITIONS /////
27 
28 /* Message event mask across Host/Controller lib and stack */
29 #define MSG_EVT_MASK 0xFF00     /* eq. BT_EVT_MASK */
30 #define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */
31 
32 /* Message event ID passed from Host/Controller lib to stack */
33 #define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */
34 #define MSG_HC_TO_STACK_HCI_ISO 0x1700 /* eq. BT_EVT_TO_BTU_HCI_ISO */
35 #define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */
36 
37 /* Message event ID passed from stack to vendor lib */
38 #define MSG_STACK_TO_HC_HCI_ISO 0x2d00 /* eq. BT_EVT_TO_LM_HCI_ISO */
39 #define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */
40 
41 /* Local Bluetooth Controller ID for BR/EDR */
42 #define LOCAL_BR_EDR_CONTROLLER_ID 0
43 
44 ///// END LEGACY DEFINITIONS /////
45 typedef struct packet_fragmenter_t packet_fragmenter_t;
46 typedef uint16_t command_opcode_t;
47 
48 typedef void (*command_complete_cb)(BT_HDR* response, void* context);
49 typedef void (*command_status_cb)(uint8_t status, BT_HDR* command, void* context);
50 
51 typedef struct hci_t {
52   // Set the callback that the HCI layer uses to send data upwards
53   void (*set_data_cb)(base::Callback<void(BT_HDR*)> send_data_cb);
54 
55   // Send a command through the HCI layer
56   void (*transmit_command)(const BT_HDR* command, command_complete_cb complete_callback,
57                            command_status_cb status_cb, void* context);
58 
59   // Send some data downward through the HCI layer
60   void (*transmit_downward)(void* data, uint16_t iso_buffer_size);
61 } hci_t;
62 
63 const hci_t* hci_layer_get_interface();
64 
65 bool hci_is_root_inflammation_event_received();
66