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 * 22 * This is the main implementation file for the NFA_CE 23 * 24 ******************************************************************************/ 25 #include <string.h> 26 #include "nfa_ce_api.h" 27 #include "nfa_sys.h" 28 #include "nfa_ce_int.h" 29 #include "nfa_dm_int.h" 30 #include "nfa_sys_int.h" 31 32 /* NFA_CE control block */ 33 tNFA_CE_CB nfa_ce_cb; 34 35 /***************************************************************************** 36 ** Constants and types 37 *****************************************************************************/ 38 #define NFA_CE_DEFAULT_ISODEP_DISC_MASK (NFA_DM_DISC_MASK_LA_ISO_DEP | NFA_DM_DISC_MASK_LB_ISO_DEP) 39 static void nfa_ce_proc_nfcc_power_mode (UINT8 nfcc_power_mode); 40 41 static const tNFA_SYS_REG nfa_ce_sys_reg = 42 { 43 NULL, 44 nfa_ce_hdl_event, 45 nfa_ce_sys_disable, 46 nfa_ce_proc_nfcc_power_mode 47 }; 48 49 /* NFA_CE actions */ 50 const tNFA_CE_ACTION nfa_ce_action_tbl[] = 51 { 52 nfa_ce_api_cfg_local_tag, /* NFA_CE_API_CFG_LOCAL_TAG_EVT */ 53 nfa_ce_api_reg_listen, /* NFA_CE_API_REG_LISTEN_EVT */ 54 nfa_ce_api_dereg_listen, /* NFA_CE_API_DEREG_LISTEN_EVT */ 55 nfa_ce_api_cfg_isodep_tech, /* NFA_CE_API_CFG_ISODEP_TECH_EVT*/ 56 nfa_ce_activate_ntf, /* NFA_CE_ACTIVATE_NTF_EVT */ 57 nfa_ce_deactivate_ntf, /* NFA_CE_DEACTIVATE_NTF_EVT */ 58 }; 59 #define NFA_CE_ACTION_TBL_SIZE (sizeof (nfa_ce_action_tbl) / sizeof (tNFA_CE_ACTION)) 60 61 /***************************************************************************** 62 ** Local function prototypes 63 *****************************************************************************/ 64 #if (BT_TRACE_VERBOSE == TRUE) 65 static char *nfa_ce_evt_2_str (UINT16 event); 66 #endif 67 68 69 /******************************************************************************* 70 ** 71 ** Function nfa_ce_init 72 ** 73 ** Description Initialize NFA CE 74 ** 75 ** Returns None 76 ** 77 *******************************************************************************/ 78 void nfa_ce_init (void) 79 { 80 NFA_TRACE_DEBUG0 ("nfa_ce_init ()"); 81 82 /* initialize control block */ 83 memset (&nfa_ce_cb, 0, sizeof (tNFA_CE_CB)); 84 85 /* Generate a random NFCID for Type-3 NDEF emulation (Type-3 tag NFCID2 must start with 02:FE) */ 86 nfa_ce_t3t_generate_rand_nfcid (nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].t3t_nfcid2); 87 nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].rf_disc_handle = NFA_HANDLE_INVALID; 88 nfa_ce_cb.isodep_disc_mask = NFA_CE_DEFAULT_ISODEP_DISC_MASK; 89 nfa_ce_cb.idx_wild_card = NFA_CE_LISTEN_INFO_IDX_INVALID; 90 91 /* register message handler on NFA SYS */ 92 nfa_sys_register ( NFA_ID_CE, &nfa_ce_sys_reg); 93 } 94 95 /******************************************************************************* 96 ** 97 ** Function nfa_ce_sys_disable 98 ** 99 ** Description Clean up ce sub-system 100 ** 101 ** 102 ** Returns void 103 ** 104 *******************************************************************************/ 105 void nfa_ce_sys_disable (void) 106 { 107 tNFA_CE_LISTEN_INFO *p_info; 108 UINT8 xx; 109 110 NFC_SetStaticRfCback (NULL); 111 112 /* Free scratch buf if any */ 113 nfa_ce_free_scratch_buf (); 114 115 /* Delete discovery handles */ 116 for (xx = 0, p_info = nfa_ce_cb.listen_info; xx < NFA_CE_LISTEN_INFO_MAX; xx++, p_info++) 117 { 118 if ((p_info->flags & NFA_CE_LISTEN_INFO_IN_USE) && (p_info->rf_disc_handle != NFA_HANDLE_INVALID)) 119 { 120 nfa_dm_delete_rf_discover (p_info->rf_disc_handle); 121 p_info->rf_disc_handle = NFA_HANDLE_INVALID; 122 } 123 } 124 125 nfa_sys_deregister (NFA_ID_CE); 126 } 127 128 /******************************************************************************* 129 ** 130 ** Function nfa_ce_proc_nfcc_power_mode 131 ** 132 ** Description Processing NFCC power mode changes 133 ** 134 ** Returns None 135 ** 136 *******************************************************************************/ 137 static void nfa_ce_proc_nfcc_power_mode (UINT8 nfcc_power_mode) 138 { 139 tNFA_CE_CB *p_cb = &nfa_ce_cb; 140 UINT8 listen_info_idx; 141 142 NFA_TRACE_DEBUG1 ("nfa_ce_proc_nfcc_power_mode (): nfcc_power_mode=%d", 143 nfcc_power_mode); 144 145 /* if NFCC power mode is change to full power */ 146 if (nfcc_power_mode == NFA_DM_PWR_MODE_FULL) 147 { 148 nfa_ce_restart_listen_check (); 149 } 150 else 151 { 152 for (listen_info_idx=0; listen_info_idx<NFA_CE_LISTEN_INFO_IDX_INVALID; listen_info_idx++) 153 { 154 /* add RF discovery to DM only if it is not added yet */ 155 if ( (p_cb->listen_info[listen_info_idx].flags & NFA_CE_LISTEN_INFO_IN_USE) 156 &&(p_cb->listen_info[listen_info_idx].rf_disc_handle != NFA_HANDLE_INVALID)) 157 { 158 nfa_dm_delete_rf_discover (p_cb->listen_info[listen_info_idx].rf_disc_handle); 159 p_cb->listen_info[listen_info_idx].rf_disc_handle = NFA_HANDLE_INVALID; 160 } 161 } 162 } 163 164 nfa_sys_cback_notify_nfcc_power_mode_proc_complete (NFA_ID_CE); 165 } 166 167 /******************************************************************************* 168 ** 169 ** Function nfa_ce_hdl_event 170 ** 171 ** Description nfa rw main event handling function. 172 ** 173 ** Returns BOOLEAN 174 ** 175 *******************************************************************************/ 176 BOOLEAN nfa_ce_hdl_event (BT_HDR *p_msg) 177 { 178 UINT16 act_idx; 179 BOOLEAN freebuf = TRUE; 180 181 #if (BT_TRACE_VERBOSE == TRUE) 182 NFA_TRACE_EVENT3 ("nfa_ce_handle_event event: %s (0x%02x), flags: %08x", nfa_ce_evt_2_str (p_msg->event), p_msg->event, nfa_ce_cb.flags); 183 #else 184 NFA_TRACE_EVENT2 ("nfa_ce_handle_event event: 0x%x, flags: %08x",p_msg->event, nfa_ce_cb.flags); 185 #endif 186 187 /* Get NFA_RW sub-event */ 188 if ((act_idx = (p_msg->event & 0x00FF)) < NFA_CE_ACTION_TBL_SIZE) 189 { 190 freebuf = (*nfa_ce_action_tbl[act_idx]) ((tNFA_CE_MSG*) p_msg); 191 } 192 193 /* if vendor specific event handler is registered */ 194 if (nfa_ce_cb.p_vs_evt_hdlr) 195 { 196 (*nfa_ce_cb.p_vs_evt_hdlr) (p_msg); 197 } 198 199 return freebuf; 200 } 201 202 #if (BT_TRACE_VERBOSE == TRUE) 203 /******************************************************************************* 204 ** 205 ** Function nfa_ce_evt_2_str 206 ** 207 ** Description convert nfc evt to string 208 ** 209 *******************************************************************************/ 210 static char *nfa_ce_evt_2_str (UINT16 event) 211 { 212 switch (event) 213 { 214 case NFA_CE_API_CFG_LOCAL_TAG_EVT: 215 return "NFA_CE_API_CFG_LOCAL_TAG_EVT"; 216 217 case NFA_CE_API_REG_LISTEN_EVT: 218 return "NFA_CE_API_REG_LISTEN_EVT"; 219 220 case NFA_CE_API_DEREG_LISTEN_EVT: 221 return "NFA_CE_API_DEREG_LISTEN_EVT"; 222 223 case NFA_CE_API_CFG_ISODEP_TECH_EVT: 224 return "NFA_CE_API_CFG_ISODEP_TECH_EVT"; 225 226 case NFA_CE_ACTIVATE_NTF_EVT: 227 return "NFA_CE_ACTIVATE_NTF_EVT"; 228 229 case NFA_CE_DEACTIVATE_NTF_EVT: 230 return "NFA_CE_DEACTIVATE_NTF_EVT"; 231 232 default: 233 return "Unknown"; 234 } 235 } 236 #endif /* BT_TRACE_VERBOSE */ 237
