1 /*
2 * Copyright (C) 2012-2014 NXP Semiconductors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include <phNxpConfig.h>
17 #include <phNxpLog.h>
18 #include <phNxpNciHal_dta.h>
19 
20 /*********************** Global Variables *************************************/
21 static phNxpDta_Control_t nxpdta_ctrl = {0, 0, 0};
22 
23 /*******************************************************************************
24 **
25 ** Function         phNxpEnable_DtaMode
26 **
27 ** Description      This function configures
28 **                  HAL in DTA mode
29 **
30 *******************************************************************************/
phNxpEnable_DtaMode(uint16_t pattern_no)31 void phNxpEnable_DtaMode(uint16_t pattern_no) {
32   nxpdta_ctrl.dta_ctrl_flag = false;
33   nxpdta_ctrl.dta_t1t_flag = false;
34   nxpdta_ctrl.dta_pattern_no = pattern_no;
35   ALOGD(">>>>DTA - Mode is enabled");
36   nxpdta_ctrl.dta_ctrl_flag = true;
37 }
38 
39 /*******************************************************************************
40 **
41 ** Function         phNxpDisable_DtaMode
42 **
43 ** Description      This function disable DTA mode
44 **
45 *******************************************************************************/
phNxpDisable_DtaMode(void)46 void phNxpDisable_DtaMode(void) {
47   nxpdta_ctrl.dta_ctrl_flag = false;
48   nxpdta_ctrl.dta_t1t_flag = false;
49   NXPLOG_NCIHAL_D(">>>>DTA - Mode is Disabled");
50 }
51 
52 /******************************************************************************
53  * Function         phNxpDta_IsEnable
54  *
55  * Description      This function checks the DTA mode is enable or not.
56  *
57  * Returns          It returns TRUE if DTA enabled otherwise FALSE
58  *
59  ******************************************************************************/
phNxpDta_IsEnable(void)60 NFCSTATUS phNxpDta_IsEnable(void) { return nxpdta_ctrl.dta_ctrl_flag; }
61 
62 /******************************************************************************
63  * Function         phNxpDta_T1TEnable
64  *
65  * Description      This function  enables  DTA mode for T1T tag.
66  *
67  *
68  ******************************************************************************/
phNxpDta_T1TEnable(void)69 void phNxpDta_T1TEnable(void) { nxpdta_ctrl.dta_t1t_flag = true; }
70 /******************************************************************************
71  * Function         phNxpNHal_DtaUpdate
72  *
73  * Description      This function changes the command and responses specific
74  *                  to make DTA application success
75  *
76  * Returns          It return NFCSTATUS_SUCCESS then continue with send else
77  *                  sends NFCSTATUS_FAILED direct response is prepared and
78  *                  do not send anything to NFCC.
79  *
80  ******************************************************************************/
81 
phNxpNHal_DtaUpdate(uint16_t * cmd_len,uint8_t * p_cmd_data,uint16_t * rsp_len,uint8_t * p_rsp_data)82 NFCSTATUS phNxpNHal_DtaUpdate(uint16_t* cmd_len, uint8_t* p_cmd_data,
83                               uint16_t* rsp_len, uint8_t* p_rsp_data) {
84   NFCSTATUS status = NFCSTATUS_SUCCESS;
85 
86   if (nxpdta_ctrl.dta_ctrl_flag == true) {
87     // Workaround for DTA, block the set config command with general bytes */
88     if (p_cmd_data[0] == 0x20 && p_cmd_data[1] == 0x02 &&
89         p_cmd_data[2] == 0x17 && p_cmd_data[3] == 0x01 &&
90         p_cmd_data[4] == 0x29 && p_cmd_data[5] == 0x14) {
91       *rsp_len = 5;
92       NXPLOG_NCIHAL_D(">>>>DTA - Block set config command");
93       phNxpNciHal_print_packet("DTASEND", p_cmd_data, *cmd_len);
94 
95       p_rsp_data[0] = 0x40;
96       p_rsp_data[1] = 0x02;
97       p_rsp_data[2] = 0x02;
98       p_rsp_data[3] = 0x00;
99       p_rsp_data[4] = 0x00;
100 
101       phNxpNciHal_print_packet("DTARECV", p_rsp_data, 5);
102 
103       status = NFCSTATUS_FAILED;
104       NXPLOG_NCIHAL_D(
105           "Going through DTA workaround - Block set config command END");
106 
107     } else if (p_cmd_data[0] == 0x21 && p_cmd_data[1] == 0x08 &&
108                p_cmd_data[2] == 0x04 && p_cmd_data[3] == 0xFF &&
109                p_cmd_data[4] == 0xFF) {
110       NXPLOG_NCIHAL_D(">>>>DTA Change Felica system code");
111       *rsp_len = 4;
112       p_rsp_data[0] = 0x41;
113       p_rsp_data[1] = 0x08;
114       p_rsp_data[2] = 0x01;
115       p_rsp_data[3] = 0x00;
116       status = NFCSTATUS_FAILED;
117 
118       phNxpNciHal_print_packet("DTARECV", p_rsp_data, 4);
119     } else if (p_cmd_data[0] == 0x20 && p_cmd_data[1] == 0x02 &&
120                p_cmd_data[2] == 0x10 && p_cmd_data[3] == 0x05 &&
121                p_cmd_data[10] == 0x32 && p_cmd_data[12] == 0x00) {
122       NXPLOG_NCIHAL_D(">>>>DTA Update LA_SEL_INFO param");
123 
124       p_cmd_data[12] = 0x40;
125       p_cmd_data[18] = 0x02;
126       status = NFCSTATUS_SUCCESS;
127     } else if (p_cmd_data[0] == 0x20 && p_cmd_data[1] == 0x02 &&
128                p_cmd_data[2] == 0x0D && p_cmd_data[3] == 0x04 &&
129                p_cmd_data[10] == 0x32 && p_cmd_data[12] == 0x00) {
130       NXPLOG_NCIHAL_D(">>>>DTA Blocking dirty set config");
131       *rsp_len = 5;
132       p_rsp_data[0] = 0x40;
133       p_rsp_data[1] = 0x02;
134       p_rsp_data[2] = 0x02;
135       p_rsp_data[3] = 0x00;
136       p_rsp_data[4] = 0x00;
137       status = NFCSTATUS_FAILED;
138       phNxpNciHal_print_packet("DTARECV", p_rsp_data, 5);
139     } else if (p_cmd_data[0] == 0x21 && p_cmd_data[1] == 0x03) {
140       NXPLOG_NCIHAL_D(">>>>DTA Add NFC-F listen tech params");
141       p_cmd_data[2] += 6;
142       p_cmd_data[3] += 3;
143       p_cmd_data[*cmd_len] = 0x80;
144       p_cmd_data[*cmd_len + 1] = 0x01;
145       p_cmd_data[*cmd_len + 2] = 0x82;
146       p_cmd_data[*cmd_len + 3] = 0x01;
147       p_cmd_data[*cmd_len + 4] = 0x85;
148       p_cmd_data[*cmd_len + 5] = 0x01;
149 
150       *cmd_len += 6;
151       status = NFCSTATUS_SUCCESS;
152     } else if (p_cmd_data[0] == 0x20 && p_cmd_data[1] == 0x02 &&
153                p_cmd_data[2] == 0x0D && p_cmd_data[3] == 0x04 &&
154                p_cmd_data[10] == 0x32 && p_cmd_data[12] == 0x20 &&
155                nxpdta_ctrl.dta_pattern_no == 0x1000) {
156       NXPLOG_NCIHAL_D(">>>>DTA Blocking dirty set config for analog testing");
157       *rsp_len = 5;
158       p_rsp_data[0] = 0x40;
159       p_rsp_data[1] = 0x02;
160       p_rsp_data[2] = 0x02;
161       p_rsp_data[3] = 0x00;
162       p_rsp_data[4] = 0x00;
163       status = NFCSTATUS_FAILED;
164       phNxpNciHal_print_packet("DTARECV", p_rsp_data, 5);
165     } else if (p_cmd_data[0] == 0x20 && p_cmd_data[1] == 0x02 &&
166                p_cmd_data[2] == 0x0D && p_cmd_data[3] == 0x04 &&
167                p_cmd_data[4] == 0x32 && p_cmd_data[5] == 0x01 &&
168                p_cmd_data[6] == 0x00) {
169       NXPLOG_NCIHAL_D(">>>>DTA Blocking dirty set config");
170       *rsp_len = 5;
171       p_rsp_data[0] = 0x40;
172       p_rsp_data[1] = 0x02;
173       p_rsp_data[2] = 0x02;
174       p_rsp_data[3] = 0x00;
175       p_rsp_data[4] = 0x00;
176       status = NFCSTATUS_FAILED;
177       phNxpNciHal_print_packet("DTARECV", p_rsp_data, 5);
178     } else if (p_cmd_data[0] == 0x20 && p_cmd_data[1] == 0x02 &&
179                p_cmd_data[2] == 0x04 && p_cmd_data[3] == 0x01 &&
180                p_cmd_data[4] == 0x50 && p_cmd_data[5] == 0x01 &&
181                p_cmd_data[6] == 0x00 && nxpdta_ctrl.dta_pattern_no == 0x1000) {
182       NXPLOG_NCIHAL_D(">>>>DTA Blocking dirty set config for analog testing");
183       *rsp_len = 5;
184       p_rsp_data[0] = 0x40;
185       p_rsp_data[1] = 0x02;
186       p_rsp_data[2] = 0x02;
187       p_rsp_data[3] = 0x00;
188       p_rsp_data[4] = 0x00;
189       status = NFCSTATUS_FAILED;
190       phNxpNciHal_print_packet("DTARECV", p_rsp_data, 5);
191     } else {
192     }
193     if (nxpdta_ctrl.dta_t1t_flag == true) {
194       if (p_cmd_data[2] == 0x07 && p_cmd_data[3] == 0x78 &&
195           p_cmd_data[4] == 0x00 && p_cmd_data[5] == 0x00) {
196         /*if (nxpdta_ctrl.dta_pattern_no == 0)
197         {
198           NXPLOG_NCIHAL_D(">>>>DTA - T1T modification block RID command Custom
199         Response (pattern 0)");
200           phNxpNciHal_print_packet("DTASEND", p_cmd_data, *cmd_len);
201           *rsp_len = 10;
202           p_rsp_data[0] = 0x00;
203           p_rsp_data[1] = 0x00;
204           p_rsp_data[2] = 0x07;
205           p_rsp_data[3] = 0x12;
206           p_rsp_data[4] = 0x49;
207           p_rsp_data[5] = 0x00;
208           p_rsp_data[6] = 0x00;
209           p_rsp_data[7] = 0x00;
210           p_rsp_data[8] = 0x00;
211           p_rsp_data[9] = 0x00;
212 
213           status = NFCSTATUS_FAILED;
214 
215           phNxpNciHal_print_packet("DTARECV", p_rsp_data, *rsp_len);
216         }
217         else
218         {*/
219         NXPLOG_NCIHAL_D("Change RID command's UID echo bytes to 0");
220 
221         nxpdta_ctrl.dta_t1t_flag = false;
222         p_cmd_data[6] = 0x00;
223         p_cmd_data[7] = 0x00;
224         p_cmd_data[8] = 0x00;
225         p_cmd_data[9] = 0x00;
226         status = NFCSTATUS_SUCCESS;
227         /*}*/
228       }
229     }
230   }
231   return status;
232 }
233