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