Android Hardware Abstraction Layer
bt_hci_bdroid.h
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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 #ifndef BT_HCI_BDROID_H
31 #define BT_HCI_BDROID_H
32 
33 #include "bt_hci_lib.h"
34 
35 /******************************************************************************
36 ** Constants & Macros
37 ******************************************************************************/
38 
39 #ifndef FALSE
40 #define FALSE 0
41 #endif
42 
43 #ifndef TRUE
44 #define TRUE (!FALSE)
45 #endif
46 
47 #ifndef BTHC_LINUX_BASE_POLICY
48 #define BTHC_LINUX_BASE_POLICY SCHED_NORMAL
49 #endif
50 
51 #if (BTHC_LINUX_BASE_POLICY != SCHED_NORMAL)
52 #ifndef BTHC_LINUX_BASE_PRIORITY
53 #define BTHC_LINUX_BASE_PRIORITY 30
54 #endif
55 
56 #ifndef BTHC_USERIAL_READ_THREAD_PRIORITY
57 #define BTHC_USERIAL_READ_THREAD_PRIORITY (BTHC_LINUX_BASE_PRIORITY)
58 #endif
59 
60 #ifndef BTHC_MAIN_THREAD_PRIORITY
61 #define BTHC_MAIN_THREAD_PRIORITY (BTHC_LINUX_BASE_PRIORITY-1)
62 #endif
63 #endif // (BTHC_LINUX_BASE_POLICY != SCHED_NORMAL)
64 
65 #ifndef BTHC_USERIAL_READ_MEM_SIZE
66 #define BTHC_USERIAL_READ_MEM_SIZE (1024)
67 #endif
68 
69 #ifndef BTSNOOPDISP_INCLUDED
70 #define BTSNOOPDISP_INCLUDED TRUE
71 #endif
72 
73 /* Disable external parser for production */
74 #ifndef BTSNOOP_EXT_PARSER_INCLUDED
75 #define BTSNOOP_EXT_PARSER_INCLUDED FALSE
76 #endif
77 
78 /* Host/Controller lib internal event ID */
79 #define HC_EVENT_PRELOAD 0x0001
80 #define HC_EVENT_POSTLOAD 0x0002
81 #define HC_EVENT_RX 0x0004
82 #define HC_EVENT_TX 0x0008
83 #define HC_EVENT_LPM_ENABLE 0x0010
84 #define HC_EVENT_LPM_DISABLE 0x0020
85 #define HC_EVENT_LPM_WAKE_DEVICE 0x0040
86 #define HC_EVENT_LPM_ALLOW_SLEEP 0x0080
87 #define HC_EVENT_LPM_IDLE_TIMEOUT 0x0100
88 #define HC_EVENT_EXIT 0x0200
89 #define HC_EVENT_EPILOG 0x0400
90 
91 /* Message event mask across Host/Controller lib and stack */
92 #define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */
93 #define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */
94 
95 /* Message event ID passed from Host/Controller lib to stack */
96 #define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */
97 #define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */
98 #define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */
99 #define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */
100 #define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */
101 
102 /* Message event ID passed from stack to vendor lib */
103 #define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */
104 #define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */
105 #define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */
106 
107 /* Local Bluetooth Controller ID for BR/EDR */
108 #define LOCAL_BR_EDR_CONTROLLER_ID 0
109 
110 /******************************************************************************
111 ** Type definitions and return values
112 ******************************************************************************/
113 
114 typedef struct
115 {
116  uint16_t event;
117  uint16_t len;
118  uint16_t offset;
119  uint16_t layer_specific;
120 } HC_BT_HDR;
121 
122 #define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR))
123 
124 
125 typedef struct _hc_buffer_hdr
126 {
127  struct _hc_buffer_hdr *p_next; /* next buffer in the queue */
128  uint8_t reserved1;
129  uint8_t reserved2;
130  uint8_t reserved3;
131  uint8_t reserved4;
133 
134 #define BT_HC_BUFFER_HDR_SIZE (sizeof(HC_BUFFER_HDR_T))
135 
136 /******************************************************************************
137 ** Extern variables and functions
138 ******************************************************************************/
139 
141 
142 /******************************************************************************
143 ** Functions
144 ******************************************************************************/
145 
146 /*******************************************************************************
147 **
148 ** Function bthc_signal_event
149 **
150 ** Description Perform context switch to bt_hc main thread
151 **
152 ** Returns None
153 **
154 *******************************************************************************/
155 extern void bthc_signal_event(uint16_t event);
156 
157 #endif /* BT_HCI_BDROID_H */