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1 /******************************************************************************
2  *
3  *  Copyright (C) 2011-2014 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 is the private interface file for NFA_CE
22  *
23  ******************************************************************************/
24 #ifndef NFA_CE_INT_H
25 #define NFA_CE_INT_H
26 
27 #include "nfa_api.h"
28 #include "nfa_ce_api.h"
29 #include "nfa_dm_int.h"
30 #include "nfa_sys.h"
31 #include "nfc_api.h"
32 
33 /*****************************************************************************
34 **  Constants and data types
35 *****************************************************************************/
36 
37 /* CE events */
38 enum {
39   /* device manager local device API events */
40   NFA_CE_API_CFG_LOCAL_TAG_EVT = NFA_SYS_EVT_START(NFA_ID_CE),
41   NFA_CE_API_REG_LISTEN_EVT,
42   NFA_CE_API_DEREG_LISTEN_EVT,
43   NFA_CE_API_CFG_ISODEP_TECH_EVT,
44   NFA_CE_ACTIVATE_NTF_EVT,
45   NFA_CE_DEACTIVATE_NTF_EVT
46 
47 };
48 
49 /* Listen registration types */
50 enum { NFA_CE_REG_TYPE_ISO_DEP, NFA_CE_REG_TYPE_FELICA, NFA_CE_REG_TYPE_UICC };
51 typedef uint8_t tNFA_CE_REG_TYPE;
52 
53 /* data type for NFA_CE_API_CFG_LOCAL_TAG_EVT */
54 typedef struct {
55   NFC_HDR hdr;
56   tNFA_PROTOCOL_MASK protocol_mask;
57   uint8_t* p_ndef_data;
58   uint16_t ndef_cur_size;
59   uint16_t ndef_max_size;
60   bool read_only;
61   uint8_t uid_len;
62   uint8_t uid[NFA_MAX_UID_LEN];
63 } tNFA_CE_API_CFG_LOCAL_TAG;
64 
65 /* data type for NFA_CE_ACTIVATE_NTF_EVT */
66 typedef struct {
67   NFC_HDR hdr;
68   tNFC_ACTIVATE_DEVT* p_activation_params;
69 } tNFA_CE_ACTIVATE_NTF;
70 
71 /* data type for NFA_CE_API_REG_LISTEN_EVT */
72 typedef struct {
73   NFC_HDR hdr;
74   tNFA_CONN_CBACK* p_conn_cback;
75 
76   tNFA_CE_REG_TYPE listen_type;
77 
78   /* For registering Felica */
79   uint16_t system_code;
80   uint8_t nfcid2[NCI_RF_F_UID_LEN];
81   uint8_t t3tPmm[NCI_T3T_PMM_LEN];
82 
83   /* For registering Type-4 */
84   uint8_t aid[NFC_MAX_AID_LEN]; /* AID to listen for (For type-4 only)  */
85   uint8_t aid_len;              /* AID length                           */
86 
87   /* For registering UICC */
88   tNFA_HANDLE ee_handle;
89   tNFA_TECHNOLOGY_MASK tech_mask;
90 } tNFA_CE_API_REG_LISTEN;
91 
92 /* data type for NFA_CE_API_DEREG_LISTEN_EVT */
93 typedef struct {
94   NFC_HDR hdr;
95   tNFA_HANDLE handle;
96   uint32_t listen_info;
97 } tNFA_CE_API_DEREG_LISTEN;
98 
99 /* union of all data types */
100 typedef union {
101   /* GKI event buffer header */
102   NFC_HDR hdr;
103   tNFA_CE_API_CFG_LOCAL_TAG local_tag;
104   tNFA_CE_API_REG_LISTEN reg_listen;
105   tNFA_CE_API_DEREG_LISTEN dereg_listen;
106   tNFA_CE_ACTIVATE_NTF activate_ntf;
107 } tNFA_CE_MSG;
108 
109 /****************************************************************************
110 ** LISTEN_INFO definitions
111 *****************************************************************************/
112 /* Entry 0 is reserved for local NDEF tag */
113 #define NFA_CE_LISTEN_INFO_IDX_NDEF 0
114 #define NFA_CE_LISTEN_INFO_IDX_INVALID (NFA_CE_LISTEN_INFO_MAX)
115 
116 /* Flags for listen request */
117 /* LISTEN_INFO entry is in use                                      */
118 #define NFA_CE_LISTEN_INFO_IN_USE 0x00000001
119 /* NDEF is read-only                                                */
120 #define NFC_CE_LISTEN_INFO_READONLY_NDEF 0x00000010
121 /* App has not been notified of ACTIVATE_EVT yet for this T4T AID   */
122 #define NFA_CE_LISTEN_INFO_T4T_ACTIVATE_PND 0x00000040
123 /* This is a listen_info for T4T AID                                */
124 #define NFA_CE_LISTEN_INFO_T4T_AID 0x00000080
125 /* App has not been notified of LISTEN_START yet                    */
126 #define NFA_CE_LISTEN_INFO_START_NTF_PND 0x00000100
127 /* This is a listen_info for non-NDEF Felica                        */
128 #define NFA_CE_LISTEN_INFO_FELICA 0x00000200
129 /* This is a listen_info for UICC                                   */
130 #define NFA_CE_LISTEN_INFO_UICC 0x00000400
131 /* App has not been notified of ACTIVATE_EVT yet for this HCEF NFCID2 */
132 #define NFA_CE_LISTEN_INFO_T3T_ACTIVATE_PND 0x00010000
133 
134 /* Structure for listen look up table */
135 typedef struct {
136   uint32_t flags;
137   tNFA_CONN_CBACK* p_conn_cback; /* Callback for this listen request */
138   tNFA_PROTOCOL_MASK
139       protocol_mask;          /* Mask of protocols for this listen request    */
140   tNFA_HANDLE rf_disc_handle; /* RF Discover handle */
141 
142   /* For host tag emulation (NFA_CeRegisterVirtualT4tSE and
143    * NFA_CeRegisterT4tAidOnDH) */
144   uint8_t t3t_pmm[NCI_T3T_PMM_LEN];
145   uint8_t t3t_nfcid2[NCI_RF_F_UID_LEN];
146   uint16_t t3t_system_code; /* Type-3 system code */
147   uint8_t
148       t4t_aid_handle; /* Type-4 aid callback handle (from CE_T4tRegisterAID) */
149 
150   /* For UICC */
151   tNFA_HANDLE ee_handle;
152   tNFA_TECHNOLOGY_MASK tech_mask; /* listening technologies               */
153   tNFA_DM_DISC_TECH_PROTO_MASK
154       tech_proto_mask; /* listening technologies and protocols */
155 } tNFA_CE_LISTEN_INFO;
156 
157 /****************************************************************************/
158 
159 /* Internal flags for nfa_ce */
160 /* Deactivation locally initiated by application */
161 #define NFA_CE_FLAGS_APP_INIT_DEACTIVATION 0x00000001
162 /* Tag is in listen active or sleep state        */
163 #define NFA_CE_FLAGS_LISTEN_ACTIVE_SLEEP 0x00000002
164 typedef uint32_t tNFA_CE_FLAGS;
165 
166 /* NFA_CE control block */
167 typedef struct {
168   uint8_t* p_scratch_buf; /* Scratch buffer for write requests    */
169   uint32_t scratch_buf_size;
170 
171   tNFC_ACTIVATE_DEVT activation_params; /* Activation params        */
172   tNFA_CE_FLAGS flags;                  /* internal flags           */
173   tNFA_CONN_CBACK* p_active_conn_cback; /* Callback of activated CE */
174 
175   /* listen_info table (table of listen paramters and app callbacks) */
176   tNFA_CE_LISTEN_INFO
177       listen_info[NFA_CE_LISTEN_INFO_MAX]; /* listen info table */
178   uint8_t idx_cur_active; /* listen_info index for currently activated CE */
179   uint8_t idx_wild_card;  /* listen_info index for T4T wild card CE */
180 
181   tNFA_DM_DISC_TECH_PROTO_MASK
182       isodep_disc_mask; /* the technology/protocol mask for ISO-DEP */
183 
184   /* Local ndef tag info */
185   uint8_t* p_ndef_data;
186   uint16_t ndef_cur_size;
187   uint16_t ndef_max_size;
188 
189   tNFA_SYS_EVT_HDLR* p_vs_evt_hdlr; /* VS event handler */
190 } tNFA_CE_CB;
191 extern tNFA_CE_CB nfa_ce_cb;
192 
193 /* type definition for action functions */
194 typedef bool (*tNFA_CE_ACTION)(tNFA_CE_MSG* p_data);
195 
196 extern uint8_t NFC_GetNCIVersion();
197 
198 /* Action function prototypes */
199 bool nfa_ce_api_cfg_local_tag(tNFA_CE_MSG* p_ce_msg);
200 bool nfa_ce_api_reg_listen(tNFA_CE_MSG* p_ce_msg);
201 bool nfa_ce_api_dereg_listen(tNFA_CE_MSG* p_ce_msg);
202 bool nfa_ce_api_cfg_isodep_tech(tNFA_CE_MSG* p_ce_msg);
203 bool nfa_ce_activate_ntf(tNFA_CE_MSG* p_ce_msg);
204 bool nfa_ce_deactivate_ntf(tNFA_CE_MSG* p_ce_msg);
205 
206 /* Internal function prototypes */
207 void nfa_ce_t3t_generate_rand_nfcid(uint8_t nfcid2[NCI_RF_F_UID_LEN]);
208 bool nfa_ce_hdl_event(NFC_HDR* p_msg);
209 tNFC_STATUS nfa_ce_set_content(void);
210 tNFA_STATUS nfa_ce_start_listening(void);
211 void nfa_ce_remove_listen_info_entry(uint8_t listen_info_idx, bool notify_app);
212 void nfa_ce_sys_disable(void);
213 void nfa_ce_free_scratch_buf(void);
214 bool nfa_ce_restart_listen_check(void);
215 #endif /* NFA_DM_INT_H */
216