1 /******************************************************************************
2  *
3  *  Copyright 2016 The Android Open Source Project
4  *  Copyright 2005-2012 Broadcom Corporation
5  *
6  *  Licensed under the Apache License, Version 2.0 (the "License");
7  *  you may not use this file except in compliance with the License.
8  *  You may obtain a copy of the License at:
9  *
10  *  http://www.apache.org/licenses/LICENSE-2.0
11  *
12  *  Unless required by applicable law or agreed to in writing, software
13  *  distributed under the License is distributed on an "AS IS" BASIS,
14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  *
18  ******************************************************************************/
19 
20 /******************************************************************************
21  *
22  *  This file contains BTA HID Device internal definitions
23  *
24  ******************************************************************************/
25 
26 #ifndef BTA_HD_INT_H
27 #define BTA_HD_INT_H
28 
29 #include <cstdint>
30 
31 #include "bta/include/bta_hd_api.h"
32 #include "bta/sys/bta_sys.h"
33 #include "stack/include/bt_types.h"
34 #include "stack/include/hiddefs.h"
35 #include "types/raw_address.h"
36 
37 enum {
38   BTA_HD_API_REGISTER_APP_EVT = BTA_SYS_EVT_START(BTA_ID_HD),
39   BTA_HD_API_UNREGISTER_APP_EVT,
40   BTA_HD_API_CONNECT_EVT,
41   BTA_HD_API_DISCONNECT_EVT,
42   BTA_HD_API_ADD_DEVICE_EVT,
43   BTA_HD_API_REMOVE_DEVICE_EVT,
44   BTA_HD_API_SEND_REPORT_EVT,
45   BTA_HD_API_REPORT_ERROR_EVT,
46   BTA_HD_API_VC_UNPLUG_EVT,
47   BTA_HD_INT_OPEN_EVT,
48   BTA_HD_INT_CLOSE_EVT,
49   BTA_HD_INT_INTR_DATA_EVT,
50   BTA_HD_INT_GET_REPORT_EVT,
51   BTA_HD_INT_SET_REPORT_EVT,
52   BTA_HD_INT_SET_PROTOCOL_EVT,
53   BTA_HD_INT_VC_UNPLUG_EVT,
54   BTA_HD_INT_SUSPEND_EVT,
55   BTA_HD_INT_EXIT_SUSPEND_EVT,
56 
57   /* handled outside state machine */
58   BTA_HD_API_ENABLE_EVT,
59   BTA_HD_API_DISABLE_EVT
60 };
61 typedef uint16_t tBTA_HD_INT_EVT;
62 
63 #define BTA_HD_INVALID_EVT (BTA_HD_API_DISABLE_EVT + 1)
64 
65 typedef struct {
66   BT_HDR_RIGID hdr;
67   tBTA_HD_CBACK* p_cback;
68 } tBTA_HD_API_ENABLE;
69 
70 #define BTA_HD_APP_NAME_LEN 50
71 #define BTA_HD_APP_DESCRIPTION_LEN 50
72 #define BTA_HD_APP_PROVIDER_LEN 50
73 #define BTA_HD_APP_DESCRIPTOR_LEN HIDD_APP_DESCRIPTOR_LEN
74 
75 #define BTA_HD_STATE_DISABLED 0x00
76 #define BTA_HD_STATE_ENABLED 0x01
77 #define BTA_HD_STATE_IDLE 0x02
78 #define BTA_HD_STATE_CONNECTED 0x03
79 #define BTA_HD_STATE_DISABLING 0x04
80 #define BTA_HD_STATE_REMOVING 0x05
81 
82 typedef struct {
83   BT_HDR_RIGID hdr;
84   char name[BTA_HD_APP_NAME_LEN];
85   char description[BTA_HD_APP_DESCRIPTION_LEN];
86   char provider[BTA_HD_APP_PROVIDER_LEN];
87   uint8_t subclass;
88   uint16_t d_len;
89   uint8_t d_data[BTA_HD_APP_DESCRIPTOR_LEN];
90 
91   tBTA_HD_QOS_INFO in_qos;
92   tBTA_HD_QOS_INFO out_qos;
93 } tBTA_HD_REGISTER_APP;
94 
95 #define BTA_HD_REPORT_LEN HID_DEV_MTU_SIZE
96 
97 typedef struct {
98   BT_HDR_RIGID hdr;
99   bool use_intr;
100   uint8_t type;
101   uint8_t id;
102   uint16_t len;
103   uint8_t data[BTA_HD_REPORT_LEN];
104 } tBTA_HD_SEND_REPORT;
105 
106 typedef struct {
107   BT_HDR_RIGID hdr;
108   RawAddress addr;
109 } tBTA_HD_DEVICE_CTRL;
110 
111 typedef struct {
112   BT_HDR_RIGID hdr;
113   uint8_t error;
114 } tBTA_HD_REPORT_ERR;
115 
116 /* union of all event data types */
117 typedef union {
118   BT_HDR_RIGID hdr;
119   tBTA_HD_API_ENABLE api_enable;
120   tBTA_HD_REGISTER_APP register_app;
121   tBTA_HD_SEND_REPORT send_report;
122   tBTA_HD_DEVICE_CTRL device_ctrl;
123   tBTA_HD_REPORT_ERR report_err;
124 } tBTA_HD_DATA;
125 
126 typedef struct {
127   BT_HDR_RIGID hdr;
128   RawAddress addr;
129   uint32_t data;
130   BT_HDR* p_data;
131 } tBTA_HD_CBACK_DATA;
132 
133 /******************************************************************************
134  * Main Control Block
135  ******************************************************************************/
136 typedef struct {
137   tBTA_HD_CBACK* p_cback;
138   uint32_t sdp_handle;
139   uint8_t trace_level;
140   uint8_t state;
141   RawAddress bd_addr;
142   bool use_report_id;
143   bool boot_mode;
144   bool vc_unplug;
145   bool disable_w4_close;
146 } tBTA_HD_CB;
147 
148 extern tBTA_HD_CB bta_hd_cb;
149 
150 /*****************************************************************************
151  *  Function prototypes
152  ****************************************************************************/
153 extern bool bta_hd_hdl_event(BT_HDR_RIGID* p_msg);
154 
155 extern void bta_hd_api_enable(tBTA_HD_DATA* p_data);
156 extern void bta_hd_api_disable(void);
157 
158 extern void bta_hd_register_act(tBTA_HD_DATA* p_data);
159 extern void bta_hd_unregister_act();
160 extern void bta_hd_unregister2_act(tBTA_HD_DATA* p_data);
161 extern void bta_hd_connect_act(tBTA_HD_DATA* p_data);
162 extern void bta_hd_disconnect_act();
163 extern void bta_hd_add_device_act(tBTA_HD_DATA* p_data);
164 extern void bta_hd_remove_device_act(tBTA_HD_DATA* p_data);
165 extern void bta_hd_send_report_act(tBTA_HD_DATA* p_data);
166 extern void bta_hd_report_error_act(tBTA_HD_DATA* p_data);
167 extern void bta_hd_vc_unplug_act();
168 
169 extern void bta_hd_open_act(tBTA_HD_DATA* p_data);
170 extern void bta_hd_close_act(tBTA_HD_DATA* p_data);
171 extern void bta_hd_intr_data_act(tBTA_HD_DATA* p_data);
172 extern void bta_hd_get_report_act(tBTA_HD_DATA* p_data);
173 extern void bta_hd_set_report_act(tBTA_HD_DATA* p_data);
174 extern void bta_hd_set_protocol_act(tBTA_HD_DATA* p_data);
175 extern void bta_hd_vc_unplug_done_act(tBTA_HD_DATA* p_data);
176 extern void bta_hd_suspend_act(tBTA_HD_DATA* p_data);
177 extern void bta_hd_exit_suspend_act(tBTA_HD_DATA* p_data);
178 
179 #endif
180