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
47typedef 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
58typedef 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 */
75typedef 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 */
86typedef 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
100extern btif_hh_cb_t btif_hh_cb;
101
102extern btif_hh_device_t *btif_hh_find_connected_dev_by_handle(UINT8 handle);
103extern void btif_hh_remove_device(bt_bdaddr_t bd_addr);
104BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bda, tBTA_HH_ATTR_MASK attr_mask);
105extern bt_status_t btif_hh_virtual_unplug(bt_bdaddr_t *bd_addr);
106extern void btif_hh_disconnect(bt_bdaddr_t *bd_addr);
107extern void btif_hh_setreport(btif_hh_device_t *p_dev, bthh_report_type_t r_type,
108                    UINT16 size, UINT8* report);
109
110BOOLEAN btif_hh_add_added_dev(bt_bdaddr_t bd_addr, tBTA_HH_ATTR_MASK attr_mask);
111
112#endif
113