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[android-x86/system-bt.git] / btif / include / btif_hh.h
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 #ifndef BTIF_HH_H
20 #define BTIF_HH_H
21
22 #include <hardware/bluetooth.h>
23 #include <hardware/bt_hh.h>
24 #include <pthread.h>
25 #include <stdint.h>
26 #include "bta_hh_api.h"
27 #include "btu.h"
28
29
30 /*******************************************************************************
31 **  Constants & Macros
32 ********************************************************************************/
33
34 #define BTIF_HH_MAX_HID         8
35 #define BTIF_HH_MAX_ADDED_DEV   32
36
37 #define BTIF_HH_MAX_KEYSTATES            3
38 #define BTIF_HH_KEYSTATE_MASK_NUMLOCK    0x01
39 #define BTIF_HH_KEYSTATE_MASK_CAPSLOCK   0x02
40 #define BTIF_HH_KEYSTATE_MASK_SCROLLLOCK 0x04
41
42
43 /*******************************************************************************
44 **  Type definitions and return values
45 ********************************************************************************/
46
47 typedef enum
48 {
49     BTIF_HH_DISABLED =   0,
50     BTIF_HH_ENABLED,
51     BTIF_HH_DISABLING,
52     BTIF_HH_DEV_UNKNOWN,
53     BTIF_HH_DEV_CONNECTING,
54     BTIF_HH_DEV_CONNECTED,
55     BTIF_HH_DEV_DISCONNECTED
56 } BTIF_HH_STATUS;
57
58 typedef struct
59 {
60     bthh_connection_state_t       dev_status;
61     UINT8                         dev_handle;
62     bt_bdaddr_t                   bd_addr;
63     tBTA_HH_ATTR_MASK             attr_mask;
64     UINT8                         sub_class;
65     UINT8                         app_id;
66     int                           fd;
67     BOOLEAN                       ready_for_data;
68     pthread_t                     hh_poll_thread_id;
69     UINT8                         hh_keep_polling;
70     alarm_t                       *vup_timer;
71     BOOLEAN                       local_vup; // Indicated locally initiated VUP
72 } btif_hh_device_t;
73
74 /* Control block to maintain properties of devices */
75 typedef struct
76 {
77     UINT8             dev_handle;
78     bt_bdaddr_t       bd_addr;
79     tBTA_HH_ATTR_MASK attr_mask;
80 } btif_hh_added_device_t;
81
82 /**
83  * BTIF-HH control block to maintain added devices and currently
84  * connected hid devices
85  */
86 typedef struct
87 {
88     BTIF_HH_STATUS          status;
89     btif_hh_device_t        devices[BTIF_HH_MAX_HID];
90     UINT32                  device_num;
91     btif_hh_added_device_t  added_devices[BTIF_HH_MAX_ADDED_DEV];
92     btif_hh_device_t        *p_curr_dev;
93 } btif_hh_cb_t;
94
95
96 /*******************************************************************************
97 **  Functions
98 ********************************************************************************/
99
100 extern btif_hh_cb_t btif_hh_cb;
101
102 extern btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle);
103 extern void btif_hh_remove_device(bt_bdaddr_t bd_addr);
104 BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask);
105 extern bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr);
106 extern void btif_hh_disconnect(bt_bdaddr_t *bd_addr);
107 extern void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type,
108                     UINT16 size, UINT8* report);
109
110 BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bd_addr, tBTA_HH_ATTR_MASK attr_mask);
111
112 #endif