1 /******************************************************************************
2  *
3  *  Copyright 2002-2012 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  *  This file contains HID protocol definitions
22  *
23  ******************************************************************************/
24 
25 #ifndef HIDDEFS_H
26 #define HIDDEFS_H
27 
28 #include <base/strings/stringprintf.h>
29 #include <bluetooth/log.h>
30 
31 #include "internal_include/bt_target.h"
32 #include "macros.h"
33 #include "stack/include/sdp_api.h"
34 /*
35  * tHID_STATUS: HID result codes, returned by HID and device and host functions.
36 */
37 typedef enum : uint8_t {
38   HID_SUCCESS = 0,
39   HID_ERR_NOT_REGISTERED,
40   HID_ERR_ALREADY_REGISTERED,
41   HID_ERR_NO_RESOURCES,
42   HID_ERR_NO_CONNECTION,
43   HID_ERR_INVALID_PARAM,
44   HID_ERR_UNSUPPORTED,
45   HID_ERR_UNKNOWN_COMMAND,
46   HID_ERR_CONGESTED,
47   HID_ERR_CONN_IN_PROCESS,
48   HID_ERR_ALREADY_CONN,
49   HID_ERR_DISCONNECTING,
50   HID_ERR_SET_CONNABLE_FAIL,
51   /* Device specific error codes */
52   HID_ERR_HOST_UNKNOWN,
53   HID_ERR_L2CAP_FAILED,
54   HID_ERR_AUTH_FAILED,
55   HID_ERR_SDP_BUSY,
56   HID_ERR_GATT,
57 
58   HID_ERR_INVALID = 0xFF
59 } tHID_STATUS;
60 
hid_status_text(const tHID_STATUS & status)61 inline std::string hid_status_text(const tHID_STATUS& status) {
62   switch (status) {
63     CASE_RETURN_TEXT(HID_SUCCESS);
64     CASE_RETURN_TEXT(HID_ERR_NOT_REGISTERED);
65     CASE_RETURN_TEXT(HID_ERR_ALREADY_REGISTERED);
66     CASE_RETURN_TEXT(HID_ERR_NO_RESOURCES);
67     CASE_RETURN_TEXT(HID_ERR_NO_CONNECTION);
68     CASE_RETURN_TEXT(HID_ERR_INVALID_PARAM);
69     CASE_RETURN_TEXT(HID_ERR_UNSUPPORTED);
70     CASE_RETURN_TEXT(HID_ERR_UNKNOWN_COMMAND);
71     CASE_RETURN_TEXT(HID_ERR_CONGESTED);
72     CASE_RETURN_TEXT(HID_ERR_CONN_IN_PROCESS);
73     CASE_RETURN_TEXT(HID_ERR_ALREADY_CONN);
74     CASE_RETURN_TEXT(HID_ERR_DISCONNECTING);
75     CASE_RETURN_TEXT(HID_ERR_SET_CONNABLE_FAIL);
76     CASE_RETURN_TEXT(HID_ERR_HOST_UNKNOWN);
77     CASE_RETURN_TEXT(HID_ERR_L2CAP_FAILED);
78     CASE_RETURN_TEXT(HID_ERR_AUTH_FAILED);
79     CASE_RETURN_TEXT(HID_ERR_SDP_BUSY);
80     CASE_RETURN_TEXT(HID_ERR_GATT);
81     CASE_RETURN_TEXT(HID_ERR_INVALID);
82     default:
83       return base::StringPrintf("UNKNOWN[%hhu]", status);
84   }
85 }
86 
87 #define HID_L2CAP_CONN_FAIL \
88   (0x0100)                          /* Connection Attempt was made but failed */
89 #define HID_L2CAP_REQ_FAIL (0x0200) /* L2CAP_ConnectReq API failed */
90 #define HID_L2CAP_CFG_FAIL \
91   (0x0400) /* L2CAP Configuration was rejected by peer */
92 
93 /* Define the HID transaction types
94 */
95 #define HID_TRANS_HANDSHAKE (0)
96 #define HID_TRANS_CONTROL (1)
97 #define HID_TRANS_GET_REPORT (4)
98 #define HID_TRANS_SET_REPORT (5)
99 #define HID_TRANS_GET_PROTOCOL (6)
100 #define HID_TRANS_SET_PROTOCOL (7)
101 #define HID_TRANS_GET_IDLE (8)
102 #define HID_TRANS_SET_IDLE (9)
103 #define HID_TRANS_DATA (10)
104 #define HID_TRANS_DATAC (11)
105 
106 #define HID_GET_TRANS_FROM_HDR(x) (((x) >> 4) & 0x0f)
107 #define HID_GET_PARAM_FROM_HDR(x) ((x)&0x0f)
108 #define HID_BUILD_HDR(t, p) (uint8_t)(((t) << 4) | ((p)&0x0f))
109 
110 /* Parameters for Handshake
111 */
112 #define HID_PAR_HANDSHAKE_RSP_SUCCESS (0)
113 #define HID_PAR_HANDSHAKE_RSP_NOT_READY (1)
114 #define HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID (2)
115 #define HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ (3)
116 #define HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM (4)
117 #define HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN (14)
118 #define HID_PAR_HANDSHAKE_RSP_ERR_FATAL (15)
119 
120 /* Parameters for Control
121 */
122 #define HID_PAR_CONTROL_NOP (0)
123 #define HID_PAR_CONTROL_HARD_RESET (1)
124 #define HID_PAR_CONTROL_SOFT_RESET (2)
125 #define HID_PAR_CONTROL_SUSPEND (3)
126 #define HID_PAR_CONTROL_EXIT_SUSPEND (4)
127 #define HID_PAR_CONTROL_VIRTUAL_CABLE_UNPLUG (5)
128 
129 /* Different report types in get, set, data
130 */
131 #define HID_PAR_REP_TYPE_MASK (0x03)
132 #define HID_PAR_REP_TYPE_OTHER (0x00)
133 #define HID_PAR_REP_TYPE_INPUT (0x01)
134 #define HID_PAR_REP_TYPE_OUTPUT (0x02)
135 #define HID_PAR_REP_TYPE_FEATURE (0x03)
136 
137 /* Parameters for Get Report
138 */
139 
140 /* Buffer size in two bytes after Report ID */
141 #define HID_PAR_GET_REP_BUFSIZE_FOLLOWS (0x08)
142 
143 /* Parameters for Protocol Type
144 */
145 #define HID_PAR_PROTOCOL_MASK (0x01)
146 #define HID_PAR_PROTOCOL_REPORT (0x01)
147 #define HID_PAR_PROTOCOL_BOOT_MODE (0x00)
148 
149 #define HID_PAR_REP_TYPE_MASK (0x03)
150 
151 /* Descriptor types in the SDP record
152 */
153 #define HID_SDP_DESCRIPTOR_REPORT (0x22)
154 #define HID_SDP_DESCRIPTOR_PHYSICAL (0x23)
155 
156 typedef struct desc_info {
157   uint16_t dl_len;
158   uint8_t* dsc_list;
159 } tHID_DEV_DSCP_INFO;
160 
161 #define HID_SSR_PARAM_INVALID 0xffff
162 
163 #define HIDD_APP_DESCRIPTOR_LEN 2048
164 
165 typedef struct sdp_info {
166   char svc_name[HID_MAX_SVC_NAME_LEN];   /*Service Name */
167   char svc_descr[HID_MAX_SVC_DESCR_LEN]; /*Service Description*/
168   char prov_name[HID_MAX_PROV_NAME_LEN]; /*Provider Name.*/
169   uint16_t rel_num;                      /*Release Number */
170   uint16_t hpars_ver;                    /*HID Parser Version.*/
171   uint16_t ssr_max_latency;              /* HIDSSRHostMaxLatency value, if
172                                             HID_SSR_PARAM_INVALID not used*/
173   uint16_t
174       ssr_min_tout;  /* HIDSSRHostMinTimeout value, if HID_SSR_PARAM_INVALID not
175                         used* */
176   uint8_t sub_class; /*Device Subclass.*/
177   uint8_t ctry_code; /*Country Code.*/
178   uint16_t sup_timeout; /* Supervisory Timeout */
179 
180   tHID_DEV_DSCP_INFO dscp_info; /* Descriptor list and Report list to be set in
181                                   the SDP record.
182                                   This parameter is used if
183                                   HID_DEV_USE_GLB_SDP_REC is set to false.*/
184   tSDP_DISC_REC* p_sdp_layer_rec;
185 } tHID_DEV_SDP_INFO;
186 
187 namespace fmt {
188 template <>
189 struct formatter<tHID_STATUS> : enum_formatter<tHID_STATUS> {};
190 }  // namespace fmt
191 
192 #endif
193