1 /******************************************************************************
2 *
3 * Copyright (C) 2010-2014 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 file contains functions that interface with the NFCEEs.
22 *
23 ******************************************************************************/
24 #include <android-base/logging.h>
25 #include <android-base/stringprintf.h>
26 #include <string.h>
27
28 #include "gki.h"
29 #include "nci_hmsgs.h"
30 #include "nfa_ee_int.h"
31 #include "nfc_api.h"
32 #include "nfc_int.h"
33 #include "nfc_target.h"
34
35 using android::base::StringPrintf;
36
37 /*******************************************************************************
38 **
39 ** Function NFC_NfceeDiscover
40 **
41 ** Description This function is called to enable or disable NFCEE
42 ** Discovery. The response from NFCC is reported by
43 ** tNFC_RESPONSE_CBACK as NFC_NFCEE_DISCOVER_REVT.
44 ** The notification from NFCC is reported by
45 ** tNFC_RESPONSE_CBACK as NFC_NFCEE_INFO_REVT.
46 **
47 ** Parameters discover - 1 to enable discover, 0 to disable.
48 **
49 ** Returns tNFC_STATUS
50 **
51 *******************************************************************************/
NFC_NfceeDiscover(bool discover)52 tNFC_STATUS NFC_NfceeDiscover(bool discover) {
53 return nci_snd_nfcee_discover((uint8_t)(
54 discover ? NCI_DISCOVER_ACTION_ENABLE : NCI_DISCOVER_ACTION_DISABLE));
55 }
56
57 /*******************************************************************************
58 **
59 ** Function NFC_NfceeModeSet
60 **
61 ** Description This function is called to activate or de-activate an NFCEE
62 ** connected to the NFCC.
63 ** The response from NFCC is reported by tNFC_RESPONSE_CBACK
64 ** as NFC_NFCEE_MODE_SET_REVT.
65 **
66 ** Parameters nfcee_id - the NFCEE to activate or de-activate.
67 ** mode - NFC_MODE_ACTIVATE to activate NFCEE,
68 ** NFC_MODE_DEACTIVATE to de-activate.
69 **
70 ** Returns tNFC_STATUS
71 **
72 *******************************************************************************/
NFC_NfceeModeSet(uint8_t nfcee_id,tNFC_NFCEE_MODE mode)73 tNFC_STATUS NFC_NfceeModeSet(uint8_t nfcee_id, tNFC_NFCEE_MODE mode) {
74 tNFC_STATUS status = NCI_STATUS_OK;
75 if (mode >= NCI_NUM_NFCEE_MODE || nfcee_id == NCI_DH_ID) {
76 LOG(ERROR) << StringPrintf("%s: invalid parameter=%d", __func__, mode);
77 return NFC_STATUS_FAILED;
78 }
79 if (nfc_cb.nci_version < NCI_VERSION_2_0)
80 status = nci_snd_nfcee_mode_set(nfcee_id, mode);
81 else {
82 if (nfc_cb.flags & NFC_FL_WAIT_MODE_SET_NTF)
83 status = NFC_STATUS_REFUSED;
84 else {
85 nfa_ee_cb.nfcee_id = nfcee_id;
86 nfa_ee_cb.mode = mode;
87 status = nci_snd_nfcee_mode_set(nfcee_id, mode);
88 if (status == NCI_STATUS_OK) {
89 /* Mode set command is successfully queued or sent.
90 * do not allow another Mode Set command until NTF is received */
91 nfc_cb.flags |= NFC_FL_WAIT_MODE_SET_NTF;
92 nfc_start_timer(&nfc_cb.nci_mode_set_ntf_timer,
93 (uint16_t)(NFC_TTYPE_WAIT_MODE_SET_NTF),
94 NFC_MODE_SET_NTF_TIMEOUT);
95 }
96 }
97 }
98 return status;
99 }
100
101 /*******************************************************************************
102 **
103 ** Function NFC_SetRouting
104 **
105 ** Description This function is called to configure the CE routing table.
106 ** The response from NFCC is reported by tNFC_RESPONSE_CBACK
107 ** as NFC_SET_ROUTING_REVT.
108 **
109 ** Parameters
110 **
111 ** Returns tNFC_STATUS
112 **
113 *******************************************************************************/
NFC_SetRouting(bool more,uint8_t num_tlv,uint8_t tlv_size,uint8_t * p_param_tlvs)114 tNFC_STATUS NFC_SetRouting(bool more, uint8_t num_tlv, uint8_t tlv_size,
115 uint8_t* p_param_tlvs) {
116 return nci_snd_set_routing_cmd(more, num_tlv, tlv_size, p_param_tlvs);
117 }
118
119 /*******************************************************************************
120 **
121 ** Function NFC_GetRouting
122 **
123 ** Description This function is called to retrieve the CE routing table
124 ** from NFCC. The response from NFCC is reported by
125 ** tNFC_RESPONSE_CBACK as NFC_GET_ROUTING_REVT.
126 **
127 ** Returns tNFC_STATUS
128 **
129 *******************************************************************************/
NFC_GetRouting(void)130 tNFC_STATUS NFC_GetRouting(void) { return nci_snd_get_routing_cmd(); }
131
132 /*******************************************************************************
133 **
134 ** Function NFC_NfceePLConfig
135 **
136 ** Description This function is called to set the Power and Link Control to
137 ** an NFCEE connected to the NFCC.
138 ** The response from NFCC is reported by tNFC_RESPONSE_CBACK
139 ** as NFC_NFCEE_PL_CONTROL_REVT.
140 **
141 ** Parameters nfcee_id - the NFCEE to activate or de-activate.
142 ** pl_config -
143 ** NFCEE_PL_CONFIG_NFCC_DECIDES NFCC decides (default)
144 ** NFCEE_PL_CONFIG_PWR_ALWAYS_ON NFCEE power supply is
145 ** always on
146 ** NFCEE_PL_CONFIG_LNK_ON_WHEN_PWR_ON communication link is
147 ** always active when NFCEE is powered on
148 ** NFCEE_PL_CONFIG_PWR_LNK_ALWAYS_ON power supply and
149 ** communication link are always on
150 **
151 ** Returns tNFC_STATUS
152 **
153 *******************************************************************************/
NFC_NfceePLConfig(uint8_t nfcee_id,tNCI_NFCEE_PL_CONFIG pl_config)154 tNFC_STATUS NFC_NfceePLConfig(uint8_t nfcee_id,
155 tNCI_NFCEE_PL_CONFIG pl_config) {
156 return nci_snd_nfcee_power_link_control(nfcee_id, pl_config);
157 }
158