nfa_ce_main.c revision 45faad0ff5deeb0c676356345d99398cc4ab695a 
1/*****************************************************************************
2**
3**  Name:           nfa_ce_main.c
4**
5**  Description:    This is the main implementation file for the NFA_CE
6**
7**  Copyright (c) 2011, Broadcom Corp., All Rights Reserved.
8**  Broadcom Bluetooth Core. Proprietary and confidential.
9**
10*****************************************************************************/
11#include <string.h>
12#include "nfa_ce_api.h"
13#include "nfa_sys.h"
14#include "nfa_ce_int.h"
15#include "nfa_dm_int.h"
16#include "nfa_sys_int.h"
17
18/* NFA_CE control block */
19tNFA_CE_CB nfa_ce_cb;
20
21/*****************************************************************************
22** Constants and types
23*****************************************************************************/
24#define NFA_CE_DEFAULT_ISODEP_DISC_MASK (NFA_DM_DISC_MASK_LA_ISO_DEP | NFA_DM_DISC_MASK_LB_ISO_DEP)
25
26static const tNFA_SYS_REG nfa_ce_sys_reg =
27{
28    NULL,
29    nfa_ce_hdl_event,
30    nfa_ce_sys_disable,
31    nfa_ce_proc_nfcc_power_mode
32};
33
34/* NFA_CE actions */
35const tNFA_CE_ACTION nfa_ce_action_tbl[] =
36{
37    nfa_ce_api_cfg_local_tag,   /* NFA_CE_API_CFG_LOCAL_TAG_EVT */
38    nfa_ce_api_reg_listen,      /* NFA_CE_API_REG_LISTEN_EVT    */
39    nfa_ce_api_dereg_listen,    /* NFA_CE_API_DEREG_LISTEN_EVT  */
40    nfa_ce_api_cfg_isodep_tech, /* NFA_CE_API_CFG_ISODEP_TECH_EVT*/
41    nfa_ce_activate_ntf,        /* NFA_CE_ACTIVATE_NTF_EVT      */
42    nfa_ce_deactivate_ntf,      /* NFA_CE_DEACTIVATE_NTF_EVT    */
43};
44#define NFA_CE_ACTION_TBL_SIZE  (sizeof (nfa_ce_action_tbl) / sizeof (tNFA_CE_ACTION))
45
46/*****************************************************************************
47** Local function prototypes
48*****************************************************************************/
49#if (BT_TRACE_VERBOSE == TRUE)
50static char *nfa_ce_evt_2_str (UINT16 event);
51#endif
52
53
54/*******************************************************************************
55**
56** Function         nfa_ce_init
57**
58** Description      Initialize NFA CE
59**
60** Returns          None
61**
62*******************************************************************************/
63void nfa_ce_init (void)
64{
65    NFA_TRACE_DEBUG0 ("nfa_ce_init ()");
66
67    /* initialize control block */
68    memset (&nfa_ce_cb, 0, sizeof (tNFA_CE_CB));
69
70    /* Generate a random NFCID for Type-3 NDEF emulation (Type-3 tag NFCID2 must start with 02:FE) */
71    nfa_ce_t3t_generate_rand_nfcid (nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].t3t_nfcid2);
72    nfa_ce_cb.listen_info[NFA_CE_LISTEN_INFO_IDX_NDEF].rf_disc_handle = NFA_HANDLE_INVALID;
73    nfa_ce_cb.isodep_disc_mask  = NFA_CE_DEFAULT_ISODEP_DISC_MASK;
74
75    /* register message handler on NFA SYS */
76    nfa_sys_register ( NFA_ID_CE,  &nfa_ce_sys_reg);
77}
78
79/*******************************************************************************
80**
81** Function         nfa_ce_proc_nfcc_power_mode
82**
83** Description      Restore NFA CE sub-module
84**
85** Returns          None
86**
87*******************************************************************************/
88void nfa_ce_proc_nfcc_power_mode (UINT8 nfcc_power_mode)
89{
90    NFA_TRACE_DEBUG0 ("nfa_ce_proc_nfcc_power_mode ()");
91
92    nfa_sys_cback_notify_nfcc_power_mode_proc_complete (NFA_ID_CE);
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*******************************************************************************/
105void 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_hdl_event
131**
132** Description      nfa rw main event handling function.
133**
134** Returns          BOOLEAN
135**
136*******************************************************************************/
137BOOLEAN nfa_ce_hdl_event (BT_HDR *p_msg)
138{
139    UINT16 act_idx;
140    BOOLEAN freebuf = TRUE;
141
142#if (BT_TRACE_VERBOSE == TRUE)
143    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);
144#else
145    NFA_TRACE_EVENT2 ("nfa_ce_handle_event event: 0x%x, flags: %08x",p_msg->event, nfa_ce_cb.flags);
146#endif
147
148    /* Get NFA_RW sub-event */
149    if ((act_idx = (p_msg->event & 0x00FF)) < NFA_CE_ACTION_TBL_SIZE)
150    {
151        freebuf = (*nfa_ce_action_tbl[act_idx]) ((tNFA_CE_MSG*) p_msg);
152    }
153
154    /* if vendor specific event handler is registered */
155    if (nfa_ce_cb.p_vs_evt_hdlr)
156    {
157        (*nfa_ce_cb.p_vs_evt_hdlr) (p_msg);
158    }
159
160    return freebuf;
161}
162
163#if (BT_TRACE_VERBOSE == TRUE)
164/*******************************************************************************
165**
166** Function         nfa_ce_evt_2_str
167**
168** Description      convert nfc evt to string
169**
170*******************************************************************************/
171static char *nfa_ce_evt_2_str (UINT16 event)
172{
173    switch (event)
174    {
175    case NFA_CE_API_CFG_LOCAL_TAG_EVT:
176        return "NFA_CE_API_CFG_LOCAL_TAG_EVT";
177
178    case NFA_CE_API_REG_LISTEN_EVT:
179        return "NFA_CE_API_REG_LISTEN_EVT";
180
181    case NFA_CE_API_DEREG_LISTEN_EVT:
182        return "NFA_CE_API_DEREG_LISTEN_EVT";
183
184    case NFA_CE_API_CFG_ISODEP_TECH_EVT:
185        return "NFA_CE_API_CFG_ISODEP_TECH_EVT";
186
187    case NFA_CE_ACTIVATE_NTF_EVT:
188        return "NFA_CE_ACTIVATE_NTF_EVT";
189
190    case NFA_CE_DEACTIVATE_NTF_EVT:
191        return "NFA_CE_DEACTIVATE_NTF_EVT";
192
193    default:
194        return "Unknown";
195    }
196}
197#endif /* BT_TRACE_VERBOSE */
198