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 the common data types shared by Reader/Writer mode
22 * and Card Emulation.
23 *
24 ******************************************************************************/
25 #include "bt_types.h"
26 #include "nfc_target.h"
27
28 #include "rw_api.h"
29 #include "rw_int.h"
30
31 #define T1T_MAX_NUM_OPCODES 9
32 #define T1T_STATIC_OPCODES 5
33 #define T1T_MAX_TAG_MODELS 2
34
35 const tT1T_CMD_RSP_INFO t1t_cmd_rsp_infos[] = {
36 /* Note: the order of these commands can not be changed.
37 * If new events are added, add them after T1T_CMD_WRITE_NE8 */
38 /* opcode cmd_len, uid_offset, rsp_len */
39 {T1T_CMD_RID, 7, 3, 6}, {T1T_CMD_RALL, 7, 3, 122},
40 {T1T_CMD_READ, 7, 3, 2}, {T1T_CMD_WRITE_E, 7, 3, 2},
41 {T1T_CMD_WRITE_NE, 7, 3, 2}, {T1T_CMD_RSEG, 14, 10, 129},
42 {T1T_CMD_READ8, 14, 10, 9}, {T1T_CMD_WRITE_E8, 14, 10, 9},
43 {T1T_CMD_WRITE_NE8, 14, 10, 9}};
44
45 const tT1T_INIT_TAG t1t_init_content[] = {
46 /* Tag Name CC3, is dynamic, ltv[0] ltv[1] ltv[2]
47 mtv[0] mtv[1] mtv[2]*/
48 {RW_T1T_IS_TOPAZ96, 0x0E, FALSE, {0, 0, 0}, {0, 0, 0}},
49 {RW_T1T_IS_TOPAZ512, 0x3F, TRUE, {0xF2, 0x30, 0x33}, {0xF0, 0x02, 0x03}}};
50
51 #define T2T_MAX_NUM_OPCODES 3
52 #define T2T_MAX_TAG_MODELS 7
53
54 const tT2T_CMD_RSP_INFO t2t_cmd_rsp_infos[] = {
55 /* Note: the order of these commands can not be changed.
56 * If new events are added, add them after T2T_CMD_SEC_SEL */
57 /* opcode cmd_len, rsp_len, nack_rsp_len */
58 {T2T_CMD_READ, 2, 16, 1},
59 {T2T_CMD_WRITE, 6, 1, 1},
60 {T2T_CMD_SEC_SEL, 2, 1, 1}};
61
62 const tT2T_INIT_TAG t2t_init_content[] = {
63 /* Tag Name is_multi_v Ver Block Ver No
64 Vbitmask to_calc_cc CC3 OTP BLPB */
65 {TAG_MIFARE_MID, true, T2T_MIFARE_VERSION_BLOCK,
66 T2T_MIFARE_ULTRALIGHT_VER_NO, 0xFFFF, false, 0x06, false,
67 T2T_DEFAULT_LOCK_BLPB},
68 {TAG_MIFARE_MID, true, T2T_MIFARE_VERSION_BLOCK,
69 T2T_MIFARE_ULTRALIGHT_FAMILY_VER_NO, 0xFFFF, true, 0x00, false,
70 T2T_DEFAULT_LOCK_BLPB},
71 {TAG_KOVIO_MID, false, 0x00, 0x00, 0x0000, false, 0x1D, true, 0x04},
72 {TAG_INFINEON_MID, true, T2T_INFINEON_VERSION_BLOCK,
73 T2T_INFINEON_MYD_MOVE_LEAN, 0xFFF0, false, 0x06, false,
74 T2T_DEFAULT_LOCK_BLPB},
75 {TAG_INFINEON_MID, true, T2T_INFINEON_VERSION_BLOCK, T2T_INFINEON_MYD_MOVE,
76 0xFFF0, false, 0x10, false, T2T_DEFAULT_LOCK_BLPB},
77 {TAG_BRCM_MID, true, T2T_BRCM_VERSION_BLOCK, T2T_BRCM_STATIC_MEM, 0xFFFF,
78 false, 0x06, false, T2T_DEFAULT_LOCK_BLPB},
79 {TAG_BRCM_MID, true, T2T_BRCM_VERSION_BLOCK, T2T_BRCM_DYNAMIC_MEM, 0xFFFF,
80 false, 0x3C, false, T2T_DEFAULT_LOCK_BLPB}
81
82 };
83
84 const uint8_t t4t_v10_ndef_tag_aid[T4T_V10_NDEF_TAG_AID_LEN] = {
85 0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x00};
86 const uint8_t t4t_v20_ndef_tag_aid[T4T_V20_NDEF_TAG_AID_LEN] = {
87 0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01};
88
89 const char* const t1t_cmd_str[] = {
90 "T1T_RID", "T1T_RALL", "T1T_READ", "T1T_WRITE_E", "T1T_WRITE_NE",
91 "T1T_RSEG", "T1T_READ8", "T1T_WRITE_E8", "T1T_WRITE_NE8"};
92
93 const char* const t2t_cmd_str[] = {"T2T_CMD_READ", "T2T_CMD_WRITE",
94 "T2T_CMD_SEC_SEL"};
95
96 static unsigned int tags_ones32(register unsigned int x);
97
98 /*******************************************************************************
99 **
100 ** Function t1t_cmd_to_rsp_info
101 **
102 ** Description This function maps the given opcode to tT1T_CMD_RSP_INFO.
103 **
104 ** Returns tNFC_STATUS
105 **
106 *******************************************************************************/
t1t_cmd_to_rsp_info(uint8_t opcode)107 const tT1T_CMD_RSP_INFO* t1t_cmd_to_rsp_info(uint8_t opcode) {
108 const tT1T_CMD_RSP_INFO *p_ret = NULL, *p;
109 int xx;
110
111 for (xx = 0, p = &t1t_cmd_rsp_infos[0]; xx < T1T_MAX_NUM_OPCODES; xx++, p++) {
112 if (opcode == p->opcode) {
113 if ((xx < T1T_STATIC_OPCODES) || (rw_cb.tcb.t1t.hr[0] != T1T_STATIC_HR0))
114 p_ret = p;
115 break;
116 }
117 }
118
119 return p_ret;
120 }
121
122 /*******************************************************************************
123 **
124 ** Function t1t_tag_init_data
125 **
126 ** Description This function maps the given opcode to tT1T_INIT_TAG.
127 **
128 ** Returns tNFC_STATUS
129 **
130 *******************************************************************************/
t1t_tag_init_data(uint8_t tag_model)131 const tT1T_INIT_TAG* t1t_tag_init_data(uint8_t tag_model) {
132 const tT1T_INIT_TAG *p_ret = NULL, *p;
133 int xx;
134
135 for (xx = 0, p = &t1t_init_content[0]; xx < T1T_MAX_TAG_MODELS; xx++, p++) {
136 if (tag_model == p->tag_model) {
137 p_ret = p;
138 break;
139 }
140 }
141
142 return p_ret;
143 }
144
145 /*******************************************************************************
146 **
147 ** Function t2t_tag_init_data
148 **
149 ** Description This function maps the given manufacturer id and version to
150 ** tT2T_INIT_TAG.
151 **
152 ** Returns tNFC_STATUS
153 **
154 *******************************************************************************/
t2t_tag_init_data(uint8_t manufacturer_id,bool b_valid_ver,uint16_t version_no)155 const tT2T_INIT_TAG* t2t_tag_init_data(uint8_t manufacturer_id,
156 bool b_valid_ver, uint16_t version_no) {
157 const tT2T_INIT_TAG *p_ret = NULL, *p;
158 int xx;
159
160 for (xx = 0, p = &t2t_init_content[0]; xx < T2T_MAX_TAG_MODELS; xx++, p++) {
161 if (manufacturer_id == p->manufacturer_id) {
162 if ((!p->b_multi_version) || (!b_valid_ver) ||
163 (p->version_no == (version_no & p->version_bmask))) {
164 p_ret = p;
165 break;
166 }
167 }
168 }
169
170 return p_ret;
171 }
172
173 /*******************************************************************************
174 **
175 ** Function t2t_cmd_to_rsp_info
176 **
177 ** Description This function maps the given opcode to tT2T_CMD_RSP_INFO.
178 **
179 ** Returns tNFC_STATUS
180 **
181 *******************************************************************************/
t2t_cmd_to_rsp_info(uint8_t opcode)182 const tT2T_CMD_RSP_INFO* t2t_cmd_to_rsp_info(uint8_t opcode) {
183 const tT2T_CMD_RSP_INFO *p_ret = NULL, *p;
184 int xx;
185
186 for (xx = 0, p = &t2t_cmd_rsp_infos[0]; xx < T2T_MAX_NUM_OPCODES; xx++, p++) {
187 if (opcode == p->opcode) {
188 p_ret = p;
189 break;
190 }
191 }
192
193 return p_ret;
194 }
195
196 /*******************************************************************************
197 **
198 ** Function t1t_info_to_evt
199 **
200 ** Description This function maps the given tT1T_CMD_RSP_INFO to RW/CE
201 ** event code
202 **
203 ** Returns RW/CE event code
204 **
205 *******************************************************************************/
t1t_info_to_evt(const tT1T_CMD_RSP_INFO * p_info)206 uint8_t t1t_info_to_evt(const tT1T_CMD_RSP_INFO* p_info) {
207 return ((uint8_t)(p_info - t1t_cmd_rsp_infos) + RW_T1T_FIRST_EVT);
208 }
209
210 /*******************************************************************************
211 **
212 ** Function t2t_info_to_evt
213 **
214 ** Description This function maps the given tT2T_CMD_RSP_INFO to RW/CE
215 ** event code
216 **
217 ** Returns RW/CE event code
218 **
219 *******************************************************************************/
t2t_info_to_evt(const tT2T_CMD_RSP_INFO * p_info)220 uint8_t t2t_info_to_evt(const tT2T_CMD_RSP_INFO* p_info) {
221 return ((uint8_t)(p_info - t2t_cmd_rsp_infos) + RW_T2T_FIRST_EVT);
222 }
223
224 /*******************************************************************************
225 **
226 ** Function t1t_info_to_str
227 **
228 ** Description This function maps the given tT1T_CMD_RSP_INFO to T1T cmd
229 ** str
230 **
231 ** Returns T1T cmd str
232 **
233 *******************************************************************************/
t1t_info_to_str(const tT1T_CMD_RSP_INFO * p_info)234 const char* t1t_info_to_str(const tT1T_CMD_RSP_INFO* p_info) {
235 int ind = (int)(p_info - t1t_cmd_rsp_infos);
236 if (ind < T1T_MAX_NUM_OPCODES)
237 return (const char*)t1t_cmd_str[ind];
238 else
239 return "";
240 }
241
242 /*******************************************************************************
243 **
244 ** Function t2t_info_to_str
245 **
246 ** Description This function maps the given tT2T_CMD_RSP_INFO to T2T cmd
247 ** str
248 **
249 ** Returns T2T cmd str
250 **
251 *******************************************************************************/
t2t_info_to_str(const tT2T_CMD_RSP_INFO * p_info)252 const char* t2t_info_to_str(const tT2T_CMD_RSP_INFO* p_info) {
253 int ind = (int)(p_info - t2t_cmd_rsp_infos);
254 if (ind < T2T_MAX_NUM_OPCODES)
255 return (const char*)t2t_cmd_str[ind];
256 else
257 return "";
258 }
259
260 /*******************************************************************************
261 **
262 ** Function tags_pow
263 **
264 ** Description This function calculates x(base) power of y.
265 **
266 ** Returns int
267 **
268 *******************************************************************************/
tags_pow(int x,int y)269 int tags_pow(int x, int y) {
270 int i, ret = 1;
271 for (i = 0; i < y; i++) {
272 ret *= x;
273 }
274 return ret;
275 }
276
277 /*******************************************************************************
278 **
279 ** Function ones32
280 **
281 ** Description This function returns number of bits set in an unsigned
282 ** integer variable
283 **
284 ** Returns int
285 **
286 *******************************************************************************/
tags_ones32(register unsigned int x)287 static unsigned int tags_ones32(register unsigned int x) {
288 /* 32-bit recursive reduction using SWAR...
289 but first step is mapping 2-bit values
290 into sum of 2 1-bit values in sneaky way
291 */
292 x -= ((x >> 1) & 0x55555555);
293 x = (((x >> 2) & 0x33333333) + (x & 0x33333333));
294 x = (((x >> 4) + x) & 0x0f0f0f0f);
295 x += (x >> 8);
296 x += (x >> 16);
297 return (x & 0x0000003f);
298 }
299
300 /*******************************************************************************
301 **
302 ** Function tags_log2
303 **
304 ** Description This function calculates log to the base 2.
305 **
306 ** Returns int
307 **
308 *******************************************************************************/
tags_log2(register unsigned int x)309 unsigned int tags_log2(register unsigned int x) {
310 x |= (x >> 1);
311 x |= (x >> 2);
312 x |= (x >> 4);
313 x |= (x >> 8);
314 x |= (x >> 16);
315
316 return (tags_ones32(x) - 1);
317 }
318