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