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1 /******************************************************************************
2  *
3  *  Copyright (C) 2009-2014 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  *
22  *  this file contains the main NFC Upper Layer internal definitions and
23  *  functions.
24  *
25  ******************************************************************************/
26 
27 #ifndef NFC_INT_H_
28 #define NFC_INT_H_
29 
30 #include "nfc_target.h"
31 #include "gki.h"
32 #include "nci_defs.h"
33 #include "nfc_api.h"
34 #include "btu_api.h"
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 /****************************************************************************
41 ** Internal NFC constants and definitions
42 ****************************************************************************/
43 
44 /****************************************************************************
45 ** NFC_TASK definitions
46 ****************************************************************************/
47 
48 /* NFC_TASK event masks */
49 #define NFC_TASK_EVT_TRANSPORT_READY        EVENT_MASK (APPL_EVT_0)
50 
51 /* NFC Timer events */
52 #define NFC_TTYPE_NCI_WAIT_RSP              0
53 #define NFC_TTYPE_WAIT_2_DEACTIVATE         1
54 
55 #define NFC_TTYPE_LLCP_LINK_MANAGER         100
56 #define NFC_TTYPE_LLCP_LINK_INACT           101
57 #define NFC_TTYPE_LLCP_DATA_LINK            102
58 #define NFC_TTYPE_LLCP_DELAY_FIRST_PDU      103
59 #define NFC_TTYPE_RW_T1T_RESPONSE           104
60 #define NFC_TTYPE_RW_T2T_RESPONSE           105
61 #define NFC_TTYPE_RW_T3T_RESPONSE           106
62 #define NFC_TTYPE_RW_T4T_RESPONSE           107
63 #define NFC_TTYPE_RW_I93_RESPONSE           108
64 #define NFC_TTYPE_CE_T4T_UPDATE             109
65 #define NFC_TTYPE_P2P_PRIO_RESPONSE         110  /* added for p2p prio logic timer */
66 #define NFC_TTYPE_P2P_PRIO_LOGIC_CLEANUP    111  /* added for p2p prio logic clenaup */
67 #define NFC_TTYPE_VS_BASE                   200
68 
69 
70 /* NFC Task event messages */
71 
72 enum
73 {
74     NFC_STATE_NONE,                 /* not start up yet                         */
75     NFC_STATE_W4_HAL_OPEN,          /* waiting for HAL_NFC_OPEN_CPLT_EVT        */
76     NFC_STATE_CORE_INIT,            /* sending CORE_RESET and CORE_INIT         */
77     NFC_STATE_W4_POST_INIT_CPLT,    /* waiting for HAL_NFC_POST_INIT_CPLT_EVT   */
78     NFC_STATE_IDLE,                 /* normal operation (discovery state)       */
79     NFC_STATE_OPEN,                 /* NFC link is activated                    */
80     NFC_STATE_CLOSING,              /* de-activating                            */
81     NFC_STATE_W4_HAL_CLOSE,         /* waiting for HAL_NFC_POST_INIT_CPLT_EVT   */
82     NFC_STATE_NFCC_POWER_OFF_SLEEP  /* NFCC is power-off sleep mode             */
83 };
84 typedef UINT8 tNFC_STATE;
85 
86 /* DM P2P Priority event type */
87 enum
88 {
89     NFA_DM_P2P_PRIO_RSP = 0x01,         /* P2P priority event from RSP   */
90     NFA_DM_P2P_PRIO_NTF          /* P2P priority event from NTF   */
91 };
92 
93 /* NFC control block flags */
94 #define NFC_FL_DEACTIVATING             0x0001  /* NFC_Deactivate () is called and the NCI cmd is not sent   */
95 #define NFC_FL_RESTARTING               0x0002  /* restarting NFCC after PowerOffSleep          */
96 #define NFC_FL_POWER_OFF_SLEEP          0x0004  /* enterning power off sleep mode               */
97 #define NFC_FL_POWER_CYCLE_NFCC         0x0008  /* Power cycle NFCC                             */
98 #define NFC_FL_CONTROL_REQUESTED        0x0010  /* HAL requested control on NCI command window  */
99 #define NFC_FL_CONTROL_GRANTED          0x0020  /* NCI command window is on the HAL side        */
100 #define NFC_FL_DISCOVER_PENDING         0x0040  /* NCI command window is on the HAL side        */
101 #define NFC_FL_HAL_REQUESTED            0x0080  /* NFC_FL_CONTROL_REQUESTED on HAL request      */
102 
103 #define NFC_PEND_CONN_ID               0xFE
104 #define NFC_CONN_ID_INT_MASK           0xF0
105 #define NFC_CONN_ID_ID_MASK            NCI_CID_MASK
106 #define NFC_CONN_NO_FC                 0xFF /* set num_buff to this for no flow control */
107 #define NFC_NCI_CONN_NO_FC             0xFF
108 
109 #if (NFC_RW_ONLY == FALSE)
110 /* only allow the entries that the NFCC can support */
111 #define NFC_CHECK_MAX_CONN()    {if (max > nfc_cb.max_conn) max = nfc_cb.max_conn;}
112 #else
113 #define NFC_CHECK_MAX_CONN()
114 #endif
115 
116 typedef struct
117 {
118     tNFC_CONN_CBACK *p_cback;   /* the callback function to receive the data        */
119     BUFFER_Q    tx_q;           /* transmit queue                                   */
120     BUFFER_Q    rx_q;           /* receive queue                                    */
121     UINT8       id;             /* NFCEE ID or RF Discovery ID or NFC_TEST_ID       */
122     UINT8       act_protocol;   /* the active protocol on this logical connection   */
123     UINT8       conn_id;        /* the connection id assigned by NFCC for this conn */
124     UINT8       buff_size;      /* the max buffer size for this connection.     .   */
125     UINT8       num_buff;       /* num of buffers left to send on this connection   */
126     UINT8       init_credits;   /* initial num of buffer credits                    */
127 } tNFC_CONN_CB;
128 
129 /* This data type is for NFC task to send a NCI VS command to NCIT task */
130 typedef struct
131 {
132     BT_HDR          bt_hdr;     /* the NCI command          */
133     tNFC_VS_CBACK   *p_cback;   /* the callback function to receive RSP   */
134 } tNFC_NCI_VS_MSG;
135 
136 /* This data type is for HAL event */
137 typedef struct
138 {
139     BT_HDR          hdr;
140     UINT8           hal_evt;    /* HAL event code  */
141     UINT8           status;     /* tHAL_NFC_STATUS */
142 } tNFC_HAL_EVT_MSG;
143 
144 #define NFC_RECEIVE_MSGS_OFFSET     (10) /* callback function pointer(8; use 8 to be safe + NFC_SAVED_CMD_SIZE(2) */
145 
146 /* NFCC power state change pending callback */
147 typedef void (tNFC_PWR_ST_CBACK) (void);
148 #define NFC_SAVED_HDR_SIZE          (2)
149 /* data Reassembly error (in BT_HDR.layer_specific) */
150 #define NFC_RAS_TOO_BIG             0x08
151 #define NFC_RAS_FRAGMENTED          0x01
152 
153 /* NCI command buffer contains a VSC (in BT_HDR.layer_specific) */
154 #define NFC_WAIT_RSP_VSC            0x01
155 
156 /* NFC control blocks */
157 typedef struct
158 {
159     UINT16              flags;                      /* NFC control block flags - NFC_FL_* */
160     tNFC_CONN_CB        conn_cb[NCI_MAX_CONN_CBS];
161     UINT8               conn_id[NFC_MAX_CONN_ID+1]; /* index: conn_id; conn_id[]: index(1 based) to conn_cb[] */
162     tNFC_DISCOVER_CBACK *p_discv_cback;
163     tNFC_RESPONSE_CBACK *p_resp_cback;
164     tNFC_TEST_CBACK     *p_test_cback;
165     tNFC_VS_CBACK       *p_vs_cb[NFC_NUM_VS_CBACKS];/* Register for vendor specific events  */
166 
167 #if (NFC_RW_ONLY == FALSE)
168     /* NFCC information at init rsp */
169     UINT32              nci_features;               /* the NCI features supported by NFCC */
170     UINT16              max_ce_table;               /* the max routing table size       */
171     UINT8               max_conn;                   /* the num of connections supported by NFCC */
172 #endif
173     UINT8               nci_ctrl_size;              /* Max Control Packet Payload Size */
174 
175     const tNCI_DISCOVER_MAPS  *p_disc_maps;         /* NCI RF Discovery interface mapping */
176     UINT8               vs_interface[NFC_NFCC_MAX_NUM_VS_INTERFACE];  /* the NCI VS interfaces of NFCC    */
177     UINT16              nci_interfaces;             /* the NCI interfaces of NFCC       */
178     UINT8               num_disc_maps;              /* number of RF Discovery interface mappings */
179     void               *p_disc_pending;            /* the parameters associated with pending NFC_DiscoveryStart */
180 
181     /* NFC_TASK timer management */
182     TIMER_LIST_Q        timer_queue;                /* 1-sec timer event queue */
183     TIMER_LIST_Q        quick_timer_queue;
184 
185     TIMER_LIST_ENT      deactivate_timer;           /* Timer to wait for deactivation */
186 
187     tNFC_STATE          nfc_state;
188     BOOLEAN             reassembly;         /* Reassemble fragmented data pkt */
189     UINT8               trace_level;
190     UINT8               last_hdr[NFC_SAVED_HDR_SIZE];/* part of last NCI command header */
191     UINT8               last_cmd[NFC_SAVED_CMD_SIZE];/* part of last NCI command payload */
192     void                *p_vsc_cback;       /* the callback function for last VSC command */
193     BUFFER_Q            nci_cmd_xmit_q;     /* NCI command queue */
194     TIMER_LIST_ENT      nci_wait_rsp_timer; /* Timer for waiting for nci command response */
195     UINT16              nci_wait_rsp_tout;  /* NCI command timeout (in ms) */
196     UINT8               nci_wait_rsp;       /* layer_specific for last NCI message */
197 
198     UINT8               nci_cmd_window;     /* Number of commands the controller can accecpt without waiting for response */
199 
200     BT_HDR              *p_nci_init_rsp;    /* holding INIT_RSP until receiving HAL_NFC_POST_INIT_CPLT_EVT */
201     tHAL_NFC_ENTRY      *p_hal;
202 
203 } tNFC_CB;
204 
205 
206 /*****************************************************************************
207 **  EXTERNAL FUNCTION DECLARATIONS
208 *****************************************************************************/
209 
210 /* Global NFC data */
211 #if NFC_DYNAMIC_MEMORY == FALSE
212 NFC_API extern tNFC_CB  nfc_cb;
213 #else
214 NFC_API extern tNFC_CB *nfc_cb_ptr;
215 #define nfc_cb (*nfc_cb_ptr)
216 #endif
217 
218 /****************************************************************************
219 ** Internal nfc functions
220 ****************************************************************************/
221 
222 NFC_API extern void nfc_init(void);
223 
224 /* from nfc_utils.c */
225 NFC_API extern tNFC_CONN_CB * nfc_alloc_conn_cb ( tNFC_CONN_CBACK *p_cback);
226 NFC_API extern tNFC_CONN_CB * nfc_find_conn_cb_by_conn_id (UINT8 conn_id);
227 NFC_API extern tNFC_CONN_CB * nfc_find_conn_cb_by_handle (UINT8 target_handle);
228 NFC_API extern void nfc_set_conn_id (tNFC_CONN_CB * p_cb, UINT8 conn_id);
229 NFC_API extern void nfc_free_conn_cb (tNFC_CONN_CB *p_cb);
230 NFC_API extern void nfc_reset_all_conn_cbs (void);
231 NFC_API extern void nfc_data_event (tNFC_CONN_CB * p_cb);
232 
233 void nfc_ncif_send (BT_HDR *p_buf, BOOLEAN is_cmd);
234 extern UINT8 nfc_ncif_send_data (tNFC_CONN_CB *p_cb, BT_HDR *p_data);
235 NFC_API extern void nfc_ncif_cmd_timeout (void);
236 NFC_API extern void nfc_wait_2_deactivate_timeout (void);
237 
238 NFC_API extern BOOLEAN nfc_ncif_process_event (BT_HDR *p_msg);
239 NFC_API extern void nfc_ncif_check_cmd_queue (BT_HDR *p_buf);
240 NFC_API extern void nfc_ncif_send_cmd (BT_HDR *p_buf);
241 NFC_API extern void nfc_ncif_proc_discover_ntf (UINT8 *p, UINT16 plen);
242 NFC_API extern void nfc_ncif_rf_management_status (tNFC_DISCOVER_EVT event, UINT8 status);
243 NFC_API extern void nfc_ncif_set_config_status (UINT8 *p, UINT8 len);
244 NFC_API extern void nfc_ncif_event_status (tNFC_RESPONSE_EVT event, UINT8 status);
245 NFC_API extern void nfc_ncif_error_status (UINT8 conn_id, UINT8 status);
246 NFC_API extern void nfc_ncif_proc_credits(UINT8 *p, UINT16 plen);
247 NFC_API extern void nfc_ncif_proc_activate (UINT8 *p, UINT8 len);
248 NFC_API extern void nfc_ncif_proc_deactivate (UINT8 status, UINT8 deact_type, BOOLEAN is_ntf);
249 #if ((NFC_NFCEE_INCLUDED == TRUE) && (NFC_RW_ONLY == FALSE))
250 NFC_API extern void nfc_ncif_proc_ee_action (UINT8 *p, UINT16 plen);
251 NFC_API extern void nfc_ncif_proc_ee_discover_req (UINT8 *p, UINT16 plen);
252 NFC_API extern void nfc_ncif_proc_get_routing (UINT8 *p, UINT8 len);
253 #endif
254 NFC_API extern void nfc_ncif_proc_conn_create_rsp (UINT8 *p, UINT16 plen, UINT8 dest_type);
255 NFC_API extern void nfc_ncif_report_conn_close_evt (UINT8 conn_id, tNFC_STATUS status);
256 NFC_API extern void nfc_ncif_proc_t3t_polling_ntf (UINT8 *p, UINT16 plen);
257 NFC_API extern void nfc_ncif_proc_reset_rsp (UINT8 *p, BOOLEAN is_ntf);
258 NFC_API extern void nfc_ncif_proc_init_rsp (BT_HDR *p_msg);
259 NFC_API extern void nfc_ncif_proc_get_config_rsp (BT_HDR *p_msg);
260 NFC_API extern void nfc_ncif_proc_data (BT_HDR *p_msg);
261 NFC_API extern BOOLEAN nfa_dm_p2p_prio_logic(UINT8 event, UINT8 *p, UINT8 ntf_rsp);
262 NFC_API extern void nfa_dm_p2p_timer_event ();
263 NFC_API extern void nfa_dm_p2p_prio_logic_cleanup ();
264 
265 #if (NFC_RW_ONLY == FALSE)
266 NFC_API extern void nfc_ncif_proc_rf_field_ntf (UINT8 rf_status);
267 #else
268 #define nfc_ncif_proc_rf_field_ntf(rf_status)
269 #endif
270 
271 /* From nfc_task.c */
272 NFC_API extern UINT32 nfc_task (UINT32 param);
273 void nfc_task_shutdown_nfcc (void);
274 
275 /* From nfc_main.c */
276 void nfc_enabled (tNFC_STATUS nfc_status, BT_HDR *p_init_rsp_msg);
277 void nfc_set_state (tNFC_STATE nfc_state);
278 void nfc_main_flush_cmd_queue (void);
279 void nfc_gen_cleanup (void);
280 void nfc_main_handle_hal_evt (tNFC_HAL_EVT_MSG *p_msg);
281 
282 /* Timer functions */
283 void nfc_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
284 UINT32 nfc_remaining_time (TIMER_LIST_ENT *p_tle);
285 void nfc_stop_timer (TIMER_LIST_ENT *p_tle);
286 
287 void nfc_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout);
288 void nfc_stop_quick_timer (TIMER_LIST_ENT *p_tle);
289 void nfc_process_quick_timer_evt (void);
290 
291 
292 #ifdef __cplusplus
293 }
294 #endif
295 
296 #endif /* NFC_INT_H_ */
297