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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2009-2012 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 Near Field Communication (NFC) Reader/Writer mode
     22  *  related internal function / definitions.
     23  *
     24  ******************************************************************************/
     25 
     26 #ifndef RW_INT_H_
     27 #define RW_INT_H_
     28 
     29 #include "tags_defs.h"
     30 #include "tags_int.h"
     31 #include "rw_api.h"
     32 
     33 /* Proprietary definitions for HR0 and HR1 */
     34 #define RW_T1T_HR0_HI_NIB                       0xF0    /* HI NIB Tag                                               */
     35 #define RW_T1T_IS_JEWEL64                       0x20    /* Jewel 64 Tag                                             */
     36 #define RW_T1T_IS_JEWEL                         0x00    /* Jewel Tag                                                */
     37 #define RW_T1T_IS_TOPAZ                         0x10    /* TOPAZ Tag                                                */
     38 #define RW_T1T_IS_TOPAZ96                       0x11    /* TOPAZ96 Tag                                              */
     39 #define RW_T1T_IS_TOPAZ512                      0x12    /* TOPAZ512 Tag                                             */
     40 #define RW_T1T_HR1_MIN                          0x49    /* Supports dynamic commands on static tag if HR1 > 0x49    */
     41 
     42 #define RW_T1T_MAX_MEM_TLVS                     0x05    /* Maximum supported Memory control TLVS in the tag         */
     43 #define RW_T1T_MAX_LOCK_TLVS                    0x05    /* Maximum supported Lock control TLVS in the tag           */
     44 #define RW_T1T_MAX_LOCK_BYTES                   0x1E    /* Maximum supported dynamic lock bytes                     */
     45 
     46 /* State of the Tag as interpreted by RW */
     47 #define RW_T1_TAG_ATTRB_UNKNOWN                 0x00    /* TAG State is unknown to RW                               */
     48 #define RW_T1_TAG_ATTRB_INITIALIZED             0x01    /* TAG is in INITIALIZED state                              */
     49 #define RW_T1_TAG_ATTRB_INITIALIZED_NDEF        0x02    /* TAG is in INITIALIZED state and has NDEF tlv with len=0  */
     50 #define RW_T1_TAG_ATTRB_READ_ONLY               0x03    /* TAG is in READ ONLY state                                */
     51 #define RW_T1_TAG_ATTRB_READ_WRITE              0x04    /* TAG is in READ WRITE state                               */
     52 
     53 #define RW_T1T_LOCK_NOT_UPDATED                 0x00    /* Lock not yet set as part of SET TAG RO op                */
     54 #define RW_T1T_LOCK_UPDATE_INITIATED            0x01    /* Sent command to set the Lock bytes                       */
     55 #define RW_T1T_LOCK_UPDATED                     0x02    /* Lock bytes are set                                       */
     56 typedef UINT8 tRW_T1T_LOCK_STATUS;
     57 
     58 /* States */
     59 #define RW_T1T_STATE_NOT_ACTIVATED              0x00    /* Tag not activated and or response not received for RID   */
     60 #define RW_T1T_STATE_IDLE                       0x01    /* T1 Tag activated and ready to perform rw operation on Tag*/
     61 #define RW_T1T_STATE_READ                       0x02    /* waiting rsp for read command sent to tag                 */
     62 #define RW_T1T_STATE_WRITE                      0x03    /* waiting rsp for write command sent to tag                */
     63 #define RW_T1T_STATE_TLV_DETECT                 0x04    /* performing TLV detection procedure                       */
     64 #define RW_T1T_STATE_READ_NDEF                  0x05    /* performing read NDEF procedure                           */
     65 #define RW_T1T_STATE_WRITE_NDEF                 0x06    /* performing update NDEF procedure                         */
     66 #define RW_T1T_STATE_SET_TAG_RO                 0x07    /* Setting Tag as read only tag                             */
     67 #define RW_T1T_STATE_CHECK_PRESENCE             0x08    /* Check if Tag is still present                            */
     68 #define RW_T1T_STATE_FORMAT_TAG                 0x09    /* Format T1 Tag                                            */
     69 
     70 /* Sub states */
     71 #define RW_T1T_SUBSTATE_NONE                    0x00    /* Default substate                                         */
     72 
     73 /* Sub states in RW_T1T_STATE_TLV_DETECT state */
     74 #define RW_T1T_SUBSTATE_WAIT_TLV_DETECT         0x01    /* waiting for the detection of a tlv in a tag              */
     75 #define RW_T1T_SUBSTATE_WAIT_FIND_LEN_FIELD_LEN 0x02    /* waiting for finding the len field is 1 or 3 bytes long   */
     76 #define RW_T1T_SUBSTATE_WAIT_READ_TLV_LEN0      0x03    /* waiting for extracting len field value                   */
     77 #define RW_T1T_SUBSTATE_WAIT_READ_TLV_LEN1      0x04    /* waiting for extracting len field value                   */
     78 #define RW_T1T_SUBSTATE_WAIT_READ_TLV_VALUE     0x05    /* waiting for extracting value field in the TLV            */
     79 #define RW_T1T_SUBSTATE_WAIT_READ_LOCKS         0x06    /* waiting for reading dynamic locks in the TLV             */
     80 
     81 /* Sub states in RW_T1T_STATE_WRITE_NDEF state */
     82 #define RW_T1T_SUBSTATE_WAIT_READ_NDEF_BLOCK    0x07    /* waiting for response of reading a block that will be partially updated */
     83 #define RW_T1T_SUBSTATE_WAIT_INVALIDATE_NDEF    0x08    /* waiting for response of invalidating NDEF Msg                          */
     84 #define RW_T1T_SUBSTATE_WAIT_NDEF_WRITE         0x09    /* waiting for response of writing a part of NDEF Msg                     */
     85 #define RW_T1T_SUBSTATE_WAIT_NDEF_UPDATED       0x0A    /* waiting for response of writing last part of NDEF Msg                  */
     86 #define RW_T1T_SUBSTATE_WAIT_VALIDATE_NDEF      0x0B    /* waiting for response of validating NDEF Msg                            */
     87 
     88 /* Sub states in RW_T1T_STATE_SET_TAG_RO state */
     89 #define RW_T1T_SUBSTATE_WAIT_SET_CC_RWA_RO      0x0C    /* waiting for response of setting CC-RWA to read only      */
     90 #define RW_T1T_SUBSTATE_WAIT_SET_ST_LOCK_BITS   0x0D    /* waiting for response of setting all static lock bits     */
     91 #define RW_T1T_SUBSTATE_WAIT_SET_DYN_LOCK_BITS  0x0E    /* waiting for response of setting all dynamic lock bits    */
     92 
     93 /* Sub states in RW_T1T_STATE_FORMAT_TAG state */
     94 #define RW_T1T_SUBSTATE_WAIT_SET_CC             0x0F    /* waiting for response to format/set capability container  */
     95 #define RW_T1T_SUBSTATE_WAIT_SET_NULL_NDEF      0x10    /* waiting for response to format/set NULL NDEF             */
     96 
     97 
     98 typedef struct
     99 {
    100     UINT16  offset;                                     /* Offset of the lock byte in the Tag                   */
    101     UINT8   num_bits;                                   /* Number of lock bits in the lock byte                 */
    102     UINT8   bytes_locked_per_bit;                       /* No. of tag bytes gets locked by a bit in this byte   */
    103 } tRW_T1T_LOCK_INFO;
    104 
    105 typedef struct
    106 {
    107     UINT16  offset;                                     /* Reserved bytes offset taken from Memory control TLV  */
    108     UINT8   num_bytes;                                  /* Number of reserved bytes as per the TLV              */
    109 }tRW_T1T_RES_INFO;
    110 
    111 typedef struct
    112 {
    113     UINT8               tlv_index;                      /* Index of Lock control tlv that points to this address*/
    114     UINT8               byte_index;                     /* Index of Lock byte pointed by the TLV                */
    115     UINT8               lock_byte;                      /* Value in the lock byte                               */
    116     tRW_T1T_LOCK_STATUS lock_status;                    /* Indicates if it is modifed to set tag as Read only   */
    117     BOOLEAN             b_lock_read;                    /* Is the lock byte is already read from tag            */
    118 } tRW_T1T_LOCK;
    119 
    120 typedef struct
    121 {
    122     UINT8               addr;                           /* ADD/ADD8/ADDS field value                            */
    123     UINT8               op_code;                        /* Command sent                                         */
    124     UINT8               rsp_len;                        /* expected length of the response                      */
    125     UINT8               pend_retx_rsp;                  /* Number of pending rsps to retransmission on prev cmd */
    126 } tRW_T1T_PREV_CMD_RSP_INFO;
    127 
    128 #if (defined (RW_NDEF_INCLUDED) && (RW_NDEF_INCLUDED == TRUE))
    129 #define T1T_BUFFER_SIZE             T1T_STATIC_SIZE     /* Buffer 0-E block, for easier tlv operation           */
    130 #else
    131 #define T1T_BUFFER_SIZE             T1T_UID_LEN         /* Buffer UID                                           */
    132 #endif
    133 
    134 /* RW Type 1 Tag control blocks */
    135 typedef struct
    136 {
    137     UINT8               hr[T1T_HR_LEN];                     /* Header ROM byte 0 - 0x1y,Header ROM byte 1 - 0x00    */
    138     UINT8               mem[T1T_SEGMENT_SIZE];              /* Tag contents of block 0 or from block 0-E            */
    139     tT1T_CMD_RSP_INFO   *p_cmd_rsp_info;                    /* Pointer to Command rsp info of last sent command     */
    140     UINT8               state;                              /* Current state of RW module                           */
    141     UINT8               tag_attribute;                      /* Present state of the Tag as interpreted by RW        */
    142     BT_HDR              *p_cur_cmd_buf;                     /* Buffer to hold cur sent command for retransmission   */
    143     UINT8               addr;                               /* ADD/ADD8/ADDS value                                  */
    144     tRW_T1T_PREV_CMD_RSP_INFO prev_cmd_rsp_info;            /* Information about previous sent command if retx      */
    145     TIMER_LIST_ENT      timer;                              /* timer to set timelimit for the response to command   */
    146     BOOLEAN             b_update;                           /* Tag header updated                                   */
    147     BOOLEAN             b_rseg;                             /* Segment 0 read from tag                              */
    148     BOOLEAN             b_hard_lock;                        /* Hard lock the tag as part of config tag to Read only */
    149 #if (defined (RW_NDEF_INCLUDED) && (RW_NDEF_INCLUDED == TRUE))
    150     UINT8               segment;                            /* Current Tag segment                                  */
    151     UINT8               substate;                           /* Current substate of RW module                        */
    152     UINT16              work_offset;                        /* Working byte offset                                  */
    153     UINT8               ndef_first_block[T1T_BLOCK_SIZE];   /* Buffer for ndef first block                          */
    154     UINT8               ndef_final_block[T1T_BLOCK_SIZE];   /* Buffer for ndef last block                           */
    155     UINT8               *p_ndef_buffer;                     /* Buffer to store ndef message                         */
    156     UINT16              new_ndef_msg_len;                   /* Lenght of new updating NDEF Message                  */
    157     UINT8               block_read;                         /* Last read Block                                      */
    158     UINT8               write_byte;                         /* Index of last written byte                           */
    159     UINT8               tlv_detect;                         /* TLV type under detection                             */
    160     UINT16              ndef_msg_offset;                    /* The offset on Tag where first NDEF message is present*/
    161     UINT16              ndef_msg_len;                       /* Lenght of NDEF Message                               */
    162     UINT16              max_ndef_msg_len;                   /* Maximum size of NDEF that can be written on the tag  */
    163     UINT16              ndef_header_offset;                 /* The offset on Tag where first NDEF tlv is present    */
    164     UINT8               ndef_block_written;                 /* Last block where NDEF bytes are written              */
    165     UINT8               num_ndef_finalblock;                /* Block number where NDEF's last byte will be present  */
    166     UINT8               num_lock_tlvs;                      /* Number of lcok tlvs detected in the tag              */
    167     tRW_T1T_LOCK_INFO   lock_tlv[RW_T1T_MAX_LOCK_TLVS];     /* Information retrieved from lock control tlv          */
    168     UINT8               num_lockbytes;                      /* Number of dynamic lock bytes present in the tag      */
    169     tRW_T1T_LOCK        lockbyte[RW_T1T_MAX_LOCK_BYTES];    /* Dynamic Lock byte information                        */
    170     UINT8               num_mem_tlvs;                       /* Number of memory tlvs detected in the tag            */
    171     tRW_T1T_RES_INFO    mem_tlv[RW_T1T_MAX_MEM_TLVS];       /* Information retrieved from mem tlv                   */
    172     UINT8               attr_seg;                           /* Tag segment for which attributes are prepared        */
    173     UINT8               lock_attr_seg;                      /* Tag segment for which lock attributes are prepared   */
    174     UINT8               attr[T1T_BLOCKS_PER_SEGMENT];       /* byte information - Reserved/lock/otp or data         */
    175     UINT8               lock_attr[T1T_BLOCKS_PER_SEGMENT];  /* byte information - read only or read write           */
    176 #endif
    177 } tRW_T1T_CB;
    178 
    179 /* Mifare Ultalight/ Ultralight Family blank tag version block settings */
    180 #define T2T_MIFARE_VERSION_BLOCK                        0x04    /* Block where version number of the tag is stored */
    181 #define T2T_MIFARE_ULTRALIGHT_VER_NO                    0xFFFF  /* Blank Ultralight tag - Block 4 (byte 0, byte 1) */
    182 #define T2T_MIFARE_ULTRALIGHT_FAMILY_VER_NO             0x0200  /* Blank Ultralight family tag - Block 4 (byte 0, byte 1) */
    183 
    184 /* Infineon my-d move / my-d blank tag uid block settings */
    185 #define T2T_INFINEON_VERSION_BLOCK                      0x00
    186 #define T2T_INFINEON_MYD_MOVE_LEAN                      0x0570
    187 #define T2T_INFINEON_MYD_MOVE                           0x0530
    188 
    189 #define T2T_BRCM_VERSION_BLOCK                          0x00
    190 #define T2T_BRCM_STATIC_MEM                             0x2E01
    191 #define T2T_BRCM_DYNAMIC_MEM                            0x2E02
    192 
    193 /* CC2 value on MiFare ULC tag */
    194 #define T2T_MIFARE_ULC_TMS                              0x12
    195 /* Possible corrupt cc2 value range on MiFare ULC tags */
    196 #define T2T_INVALID_CC_TMS_VAL0                         0x10
    197 #define T2T_INVALID_CC_TMS_VAL1                         0x1F
    198 
    199 #define T2T_NDEF_NOT_DETECTED                           0x00
    200 #define T2T_NDEF_DETECTED                               0x01
    201 #define T2T_NDEF_READ                                   0x02
    202 
    203 #define T2T_MAX_NDEF_OFFSET                             128     /* Max offset of an NDEF message in a T2 tag */
    204 #define T2T_MAX_RESERVED_BYTES_IN_TAG                   0x64
    205 #define T2T_MAX_LOCK_BYTES_IN_TAG                       0x64
    206 
    207 #define RW_T2T_MAX_MEM_TLVS                             0x05    /* Maximum supported Memory control TLVS in the tag         */
    208 #define RW_T2T_MAX_LOCK_TLVS                            0x05    /* Maximum supported Lock control TLVS in the tag           */
    209 #define RW_T2T_MAX_LOCK_BYTES                           0x1E    /* Maximum supported dynamic lock bytes                     */
    210 #define RW_T2T_SEGMENT_BYTES                            128
    211 #define RW_T2T_SEGMENT_SIZE                             16
    212 
    213 #define RW_T2T_LOCK_NOT_UPDATED                         0x00    /* Lock not yet set as part of SET TAG RO op                */
    214 #define RW_T2T_LOCK_UPDATE_INITIATED                    0x01    /* Sent command to set the Lock bytes                       */
    215 #define RW_T2T_LOCK_UPDATED                             0x02    /* Lock bytes are set                                       */
    216 typedef UINT8 tRW_T2T_LOCK_STATUS;
    217 
    218 
    219 /* States */
    220 #define RW_T2T_STATE_NOT_ACTIVATED                      0x00    /* Tag not activated                                        */
    221 #define RW_T2T_STATE_IDLE                               0x01    /* T1 Tag activated and ready to perform rw operation on Tag*/
    222 #define RW_T2T_STATE_READ                               0x02    /* waiting response for read command sent to tag            */
    223 #define RW_T2T_STATE_WRITE                              0x03    /* waiting response for write command sent to tag           */
    224 #define RW_T2T_STATE_SELECT_SECTOR                      0x04    /* Waiting response for sector select command               */
    225 #define RW_T2T_STATE_DETECT_TLV                         0x05    /* Detecting Lock/Memory/NDEF/Proprietary TLV in the Tag    */
    226 #define RW_T2T_STATE_READ_NDEF                          0x06    /* Performing NDEF Read procedure                           */
    227 #define RW_T2T_STATE_WRITE_NDEF                         0x07    /* Performing NDEF Write procedure                          */
    228 #define RW_T2T_STATE_SET_TAG_RO                         0x08    /* Setting Tag as Read only tag                             */
    229 #define RW_T2T_STATE_CHECK_PRESENCE                     0x09    /* Check if Tag is still present                            */
    230 #define RW_T2T_STATE_FORMAT_TAG                         0x0A    /* Format the tag                                           */
    231 
    232 /* rw_t2t_read/rw_t2t_write takes care of sector change if the block to read/write is in a different sector
    233  * Next Substate should be assigned to control variable 'substate' before calling these function for State Machine to
    234  * move back to the particular substate after Sector change is completed and read/write command is sent on new sector       */
    235 
    236 /* Sub states */
    237 #define RW_T2T_SUBSTATE_NONE                            0x00
    238 
    239 /* Sub states in RW_T2T_STATE_SELECT_SECTOR state */
    240 #define RW_T2T_SUBSTATE_WAIT_SELECT_SECTOR_SUPPORT      0x01    /* waiting for response of sector select CMD 1              */
    241 #define RW_T2T_SUBSTATE_WAIT_SELECT_SECTOR              0x02    /* waiting for response of sector select CMD 2              */
    242 
    243 /* Sub states in RW_T1T_STATE_DETECT_XXX state */
    244 #define RW_T2T_SUBSTATE_WAIT_READ_CC                    0x03    /* waiting for the detection of a tlv in a tag              */
    245 #define RW_T2T_SUBSTATE_WAIT_TLV_DETECT                 0x04    /* waiting for the detection of a tlv in a tag              */
    246 #define RW_T2T_SUBSTATE_WAIT_FIND_LEN_FIELD_LEN         0x05    /* waiting for finding the len field is 1 or 3 bytes long   */
    247 #define RW_T2T_SUBSTATE_WAIT_READ_TLV_LEN0              0x06    /* waiting for extracting len field value                   */
    248 #define RW_T2T_SUBSTATE_WAIT_READ_TLV_LEN1              0x07    /* waiting for extracting len field value                   */
    249 #define RW_T2T_SUBSTATE_WAIT_READ_TLV_VALUE             0x08    /* waiting for extracting value field in the TLV            */
    250 #define RW_T2T_SUBSTATE_WAIT_READ_LOCKS                 0x09    /* waiting for reading dynamic locks in the TLV             */
    251 
    252 /* Sub states in RW_T2T_STATE_WRITE_NDEF state */
    253 #define RW_T2T_SUBSTATE_WAIT_READ_NDEF_FIRST_BLOCK      0x0A    /* waiting for rsp to reading the block where NDEF starts   */
    254 #define RW_T2T_SUBSTATE_WAIT_READ_NDEF_LAST_BLOCK       0x0B    /* waiting for rsp to reading block where new NDEF Msg ends */
    255 #define RW_T2T_SUBSTATE_WAIT_READ_TERM_TLV_BLOCK        0x0C    /* waiting for rsp to reading block where Trm tlv gets added*/
    256 #define RW_T2T_SUBSTATE_WAIT_READ_NDEF_NEXT_BLOCK       0x0D    /* waiting for rsp to reading block where nxt NDEF write    */
    257 #define RW_T2T_SUBSTATE_WAIT_WRITE_NDEF_NEXT_BLOCK      0x0E    /* waiting for rsp to writting NDEF block                   */
    258 #define RW_T2T_SUBSTATE_WAIT_WRITE_NDEF_LAST_BLOCK      0x0F    /* waiting for rsp to last NDEF block write cmd             */
    259 #define RW_T2T_SUBSTATE_WAIT_READ_NDEF_LEN_BLOCK        0x10    /* waiting for rsp to reading NDEF len field block          */
    260 #define RW_T2T_SUBSTATE_WAIT_WRITE_NDEF_LEN_BLOCK       0x11    /* waiting for rsp of updating first NDEF len field block   */
    261 #define RW_T2T_SUBSTATE_WAIT_WRITE_NDEF_LEN_NEXT_BLOCK  0x12    /* waiting for rsp of updating next NDEF len field block    */
    262 #define RW_T2T_SUBSTATE_WAIT_WRITE_TERM_TLV_CMPLT       0x13    /* waiting for rsp to writing to Terminator tlv             */
    263 
    264 /* Sub states in RW_T2T_STATE_FORMAT_TAG state */
    265 #define RW_T2T_SUBSTATE_WAIT_READ_VERSION_INFO          0x14
    266 #define RW_T2T_SUBSTATE_WAIT_SET_CC                     0x15    /* waiting for response to format/set capability container  */
    267 #define RW_T2T_SUBSTATE_WAIT_SET_LOCK_TLV               0x16
    268 #define RW_T2T_SUBSTATE_WAIT_SET_NULL_NDEF              0x17    /* waiting for response to format/set NULL NDEF             */
    269 
    270 /* Sub states in RW_T2T_STATE_SET_TAG_RO state */
    271 #define RW_T2T_SUBSTATE_WAIT_SET_CC_RO                  0x19    /* waiting for response to set CC3 to RO                    */
    272 #define RW_T2T_SUBSTATE_WAIT_READ_DYN_LOCK_BYTE_BLOCK   0x1A    /* waiting for response to read dynamic lock bytes block    */
    273 #define RW_T2T_SUBSTATE_WAIT_SET_DYN_LOCK_BITS          0x1B    /* waiting for response to set dynamic lock bits            */
    274 #define RW_T2T_SUBSTATE_WAIT_SET_ST_LOCK_BITS           0x1C    /* waiting for response to set static lock bits             */
    275 
    276 typedef struct
    277 {
    278     UINT16              offset;                             /* Offset of the lock byte in the Tag                       */
    279     UINT8               num_bits;                           /* Number of lock bits in the lock byte                     */
    280     UINT8               bytes_locked_per_bit;               /* No. of tag bytes gets locked by a bit in this byte       */
    281 } tRW_T2T_LOCK_INFO;
    282 
    283 typedef struct
    284 {
    285     UINT16  offset;                                         /* Reserved bytes offset taken from Memory control TLV      */
    286     UINT8   num_bytes;                                      /* Number of reserved bytes as per the TLV                  */
    287 }tRW_T2T_RES_INFO;
    288 
    289 typedef struct
    290 {
    291     UINT8               tlv_index;                          /* Index of Lock control tlv that points to this address    */
    292     UINT8               byte_index;                         /* Index of Lock byte pointed by the TLV                    */
    293     UINT8               lock_byte;                          /* Value in the lock byte                                   */
    294     tRW_T2T_LOCK_STATUS lock_status;                        /* Indicates if it is modifed to set tag as Read only       */
    295     BOOLEAN             b_lock_read;                        /* Is the lock byte is already read from tag                */
    296 } tRW_T2T_LOCK;
    297 
    298 /* RW Type 2 Tag control block */
    299 typedef struct
    300 {
    301     UINT8               state;                              /* Reader/writer state                                          */
    302     UINT8               substate;                           /* Reader/write substate in NDEF write state                    */
    303     UINT8               prev_substate;                      /* Substate of the tag before moving to different sector        */
    304     UINT8               sector;                             /* Sector number that is selected                               */
    305     UINT8               select_sector;                      /* Sector number that is expected to get selected               */
    306     UINT8               tag_hdr[T2T_READ_DATA_LEN];         /* T2T Header blocks                                            */
    307     UINT8               tag_data[T2T_READ_DATA_LEN];        /* T2T Block 4 - 7 data                                         */
    308     UINT8               ndef_status;                        /* The current status of NDEF Write operation                   */
    309     UINT16              block_read;                         /* Read block                                                   */
    310     UINT16              block_written;                      /* Written block                                                */
    311     tT2T_CMD_RSP_INFO   *p_cmd_rsp_info;                    /* Pointer to Command rsp info of last sent command             */
    312     BT_HDR              *p_cur_cmd_buf;                     /* Copy of current command, for retx/send after sector change   */
    313     BT_HDR              *p_sec_cmd_buf;                     /* Copy of command, to send after sector change                 */
    314     TIMER_LIST_ENT      t2_timer;                           /* timeout for each API call                                    */
    315     BOOLEAN             b_read_hdr;                         /* Tag header read from tag                                     */
    316     BOOLEAN             b_read_data;                        /* Tag data block read from tag                                 */
    317     BOOLEAN             b_hard_lock;                        /* Hard lock the tag as part of config tag to Read only         */
    318 #if (defined (RW_NDEF_INCLUDED) && (RW_NDEF_INCLUDED == TRUE))
    319     UINT8               found_tlv;                          /* The Tlv found while searching a particular TLV               */
    320     UINT8               tlv_detect;                         /* TLV type under detection                                     */
    321     UINT8               num_lock_tlvs;                      /* Number of lcok tlvs detected in the tag                      */
    322     UINT8               attr_seg;                           /* Tag segment for which attributes are prepared                */
    323     UINT8               lock_attr_seg;                      /* Tag segment for which lock attributes are prepared           */
    324     UINT8               segment;                            /* Current operating segment                                    */
    325     UINT8               ndef_final_block[T2T_BLOCK_SIZE];   /* Buffer for ndef last block                                   */
    326     UINT8               num_mem_tlvs;                       /* Number of memory tlvs detected in the tag                    */
    327     UINT8               num_lockbytes;                      /* Number of dynamic lock bytes present in the tag              */
    328     UINT8               attr[RW_T2T_SEGMENT_SIZE];          /* byte information - Reserved/lock/otp or data                 */
    329     UINT8               lock_attr[RW_T2T_SEGMENT_SIZE];     /* byte information - read only or read write                   */
    330     UINT8               tlv_value[3];                       /* Read value field of TLV                                      */
    331     UINT8               ndef_first_block[T2T_BLOCK_LEN];    /* NDEF TLV Header block                                        */
    332     UINT8               ndef_read_block[T2T_BLOCK_LEN];     /* Buffer to hold read before write block                       */
    333     UINT8               ndef_last_block[T2T_BLOCK_LEN];     /* Terminator TLV block after NDEF Write operation              */
    334     UINT8               terminator_tlv_block[T2T_BLOCK_LEN];/* Terminator TLV Block                                         */
    335     UINT16              ndef_last_block_num;                /* Block where last byte of updating ndef message will exist    */
    336     UINT16              ndef_read_block_num;                /* Block read during NDEF Write to avoid overwritting res bytes */
    337     UINT16              bytes_count;                        /* No. of bytes remaining to collect during tlv detect          */
    338     UINT16              terminator_byte_index;              /* The offset of the tag where terminator tlv may be added      */
    339     UINT16              work_offset;                        /* Working byte offset                                          */
    340     UINT16              ndef_header_offset;
    341     UINT16              ndef_msg_offset;                    /* Offset on Tag where first NDEF message is present            */
    342     UINT16              ndef_msg_len;                       /* Lenght of NDEF Message                                       */
    343     UINT16              max_ndef_msg_len;                   /* Maximum size of NDEF that can be written on the tag          */
    344     UINT16              new_ndef_msg_len;                   /* Lenght of new updating NDEF Message                          */
    345     UINT16              ndef_write_block;
    346     UINT16              prop_msg_len;                       /* Proprietary tlv length                                       */
    347     UINT8               *p_new_ndef_buffer;                 /* Pointer to updating NDEF Message                             */
    348     UINT8               *p_ndef_buffer;                     /* Pointer to NDEF Message                                      */
    349     tRW_T2T_LOCK_INFO   lock_tlv[RW_T2T_MAX_LOCK_TLVS];     /* Information retrieved from lock control tlv                  */
    350     tRW_T2T_LOCK        lockbyte[RW_T2T_MAX_LOCK_BYTES];    /* Dynamic Lock byte information                                */
    351     tRW_T2T_RES_INFO    mem_tlv[RW_T2T_MAX_MEM_TLVS];       /* Information retrieved from mem tlv                           */
    352 #endif
    353 } tRW_T2T_CB;
    354 
    355 /* Type 3 Tag control block */
    356 typedef UINT8 tRW_T3T_RW_STATE;
    357 
    358 typedef struct
    359 {
    360     tNFC_STATUS         status;
    361     UINT8               version;        /* Ver: peer version */
    362     UINT8               nbr;            /* NBr: number of blocks that can be read using one Check command */
    363     UINT8               nbw;            /* Nbw: number of blocks that can be written using one Update command */
    364     UINT16              nmaxb;          /* Nmaxb: maximum number of blocks available for NDEF data */
    365     UINT8               writef;         /* WriteFlag: 00h if writing data finished; 0Fh if writing data in progress */
    366     UINT8               rwflag;         /* RWFlag: 00h NDEF is read-only; 01h if read/write available */
    367     UINT32              ln;             /* Ln: actual size of stored NDEF data (in bytes) */
    368 } tRW_T3T_DETECT;
    369 
    370 /* RW_T3T control block flags */
    371 #define RW_T3T_FL_IS_FINAL_NDEF_SEGMENT         0x01    /* The final command for completing the NDEF read/write */
    372 #define RW_T3T_FL_W4_PRESENCE_CHECK_POLL_RSP    0x02    /* Waiting for POLL response for presence check */
    373 #define RW_T3T_FL_W4_GET_SC_POLL_RSP            0x04    /* Waiting for POLL response for RW_T3tGetSystemCodes */
    374 #define RW_T3T_FL_W4_NDEF_DETECT_POLL_RSP       0x08    /* Waiting for POLL response for RW_T3tDetectNDef */
    375 #define RW_T3T_FL_W4_FMT_FELICA_LITE_POLL_RSP   0x10    /* Waiting for POLL response for RW_T3tFormat */
    376 
    377 typedef struct
    378 {
    379     UINT32              cur_tout;               /* Current command timeout */
    380     tRW_T3T_RW_STATE    rw_state;               /* Reader/writer state */
    381     UINT8               rw_substate;
    382     UINT8               cur_cmd;                /* Current command being executed */
    383     BT_HDR              *p_cur_cmd_buf;         /* Copy of current command, for retransmission */
    384     TIMER_LIST_ENT      timer;                  /* timeout for waiting for response */
    385     TIMER_LIST_ENT      poll_timer;             /* timeout for waiting for response */
    386 
    387     tRW_T3T_DETECT      ndef_attrib;            /* T3T NDEF attribute information */
    388 
    389     UINT32              ndef_msg_len;           /* Length of ndef message to send */
    390     UINT32              ndef_msg_bytes_sent;    /* Length of ndef message sent so far */
    391     UINT8               *ndef_msg;              /* Buffer for outgoing NDEF message */
    392     UINT32              ndef_rx_readlen;        /* Number of bytes read in current CHECK command */
    393     UINT32              ndef_rx_offset;         /* Length of ndef message read so far */
    394 
    395     UINT8               num_system_codes;       /* System codes detected */
    396     UINT16              system_codes[T3T_MAX_SYSTEM_CODES];
    397 
    398     UINT8               peer_nfcid2[NCI_NFCID2_LEN];
    399     UINT8               cur_poll_rc;            /* RC used in current POLL command */
    400 
    401     UINT8               flags;                  /* Flags see RW_T3T_FL_* */
    402 } tRW_T3T_CB;
    403 
    404 
    405 /*
    406 **  Type 4 Tag
    407 */
    408 
    409 /* Max data size using a single ReadBinary. 2 bytes are for status bytes */
    410 #define RW_T4T_MAX_DATA_PER_READ           (NFC_RW_POOL_BUF_SIZE - BT_HDR_SIZE - NCI_DATA_HDR_SIZE - T4T_RSP_STATUS_WORDS_SIZE)
    411 
    412 /* Max data size using a single UpdateBinary. 6 bytes are for CLA, INS, P1, P2, Lc */
    413 #define RW_T4T_MAX_DATA_PER_WRITE          (NFC_RW_POOL_BUF_SIZE - BT_HDR_SIZE - NCI_MSG_OFFSET_SIZE - NCI_DATA_HDR_SIZE - T4T_CMD_MAX_HDR_SIZE)
    414 
    415 
    416 
    417 /* Mandatory NDEF file control */
    418 typedef struct
    419 {
    420     UINT16              file_id;        /* File Identifier          */
    421     UINT16              max_file_size;  /* Max NDEF file size       */
    422     UINT8               read_access;    /* read access condition    */
    423     UINT8               write_access;   /* write access condition   */
    424 } tRW_T4T_NDEF_FC;
    425 
    426 /* Capability Container */
    427 typedef struct
    428 {
    429     UINT16              cclen;      /* the size of this capability container        */
    430     UINT8               version;    /* the mapping specification version            */
    431     UINT16              max_le;     /* the max data size by a single ReadBinary     */
    432     UINT16              max_lc;     /* the max data size by a single UpdateBinary   */
    433     tRW_T4T_NDEF_FC     ndef_fc;    /* Mandatory NDEF file control                  */
    434 } tRW_T4T_CC;
    435 
    436 typedef UINT8 tRW_T4T_RW_STATE;
    437 typedef UINT8 tRW_T4T_RW_SUBSTATE;
    438 
    439 /* Type 4 Tag Control Block */
    440 typedef struct
    441 {
    442     tRW_T4T_RW_STATE    state;              /* main state                       */
    443     tRW_T4T_RW_SUBSTATE sub_state;          /* sub state                        */
    444     UINT8               version;            /* currently effective version      */
    445     TIMER_LIST_ENT      timer;              /* timeout for each API call        */
    446 
    447     UINT16              ndef_length;        /* length of NDEF data              */
    448     UINT8              *p_update_data;      /* pointer of data to update        */
    449     UINT16              rw_length;          /* remaining bytes to read/write    */
    450     UINT16              rw_offset;          /* remaining offset to read/write   */
    451     BT_HDR             *p_data_to_free;     /* GKI buffet to delete after done  */
    452 
    453     tRW_T4T_CC          cc_file;            /* Capability Container File        */
    454 
    455 #define RW_T4T_NDEF_STATUS_NDEF_DETECTED    0x01    /* NDEF has been detected   */
    456 #define RW_T4T_NDEF_STATUS_NDEF_READ_ONLY   0x02    /* NDEF file is read-only   */
    457 
    458     UINT8               ndef_status;        /* bitmap for NDEF status           */
    459 
    460     UINT16              max_read_size;      /* max reading size per a command   */
    461     UINT16              max_update_size;    /* max updating size per a command  */
    462 } tRW_T4T_CB;
    463 
    464 /* RW retransmission statistics */
    465 #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
    466 typedef struct
    467 {
    468     UINT32              start_tick;         /* System tick count at activation */
    469     UINT32              bytes_sent;         /* Total bytes sent since activation */
    470     UINT32              bytes_received;     /* Total bytes received since activation */
    471     UINT32              num_ops;            /* Number of operations since activation */
    472     UINT32              num_retries;        /* Number of retranmissions since activation */
    473     UINT32              num_crc;            /* Number of crc failures */
    474     UINT32              num_trans_err;      /* Number of transmission error notifications */
    475     UINT32              num_fail;           /* Number of aborts (failures after retries) */
    476 } tRW_STATS;
    477 #endif  /* RW_STATS_INCLUDED */
    478 
    479 /* ISO 15693 RW Control Block */
    480 typedef UINT8 tRW_I93_RW_STATE;
    481 typedef UINT8 tRW_I93_RW_SUBSTATE;
    482 
    483 #define RW_I93_FLAG_READ_ONLY           0x01    /* tag is read-only                        */
    484 #define RW_I93_FLAG_READ_MULTI_BLOCK    0x02    /* tag supports read multi block           */
    485 #define RW_I93_FLAG_RESET_DSFID         0x04    /* need to reset DSFID for formatting      */
    486 #define RW_I93_FLAG_RESET_AFI           0x08    /* need to reset AFI for formatting        */
    487 
    488 #define RW_I93_TLV_DETECT_STATE_TYPE      0x01  /* searching for type                      */
    489 #define RW_I93_TLV_DETECT_STATE_LENGTH_1  0x02  /* searching for the first byte of length  */
    490 #define RW_I93_TLV_DETECT_STATE_LENGTH_2  0x03  /* searching for the second byte of length */
    491 #define RW_I93_TLV_DETECT_STATE_LENGTH_3  0x04  /* searching for the third byte of length  */
    492 #define RW_I93_TLV_DETECT_STATE_VALUE     0x05  /* reading value field                     */
    493 
    494 enum
    495 {
    496     RW_I93_ICODE_SLI,                   /* ICODE SLI, SLIX                  */
    497     RW_I93_ICODE_SLI_S,                 /* ICODE SLI-S, SLIX-S              */
    498     RW_I93_ICODE_SLI_L,                 /* ICODE SLI-L, SLIX-L              */
    499     RW_I93_TAG_IT_HF_I_PLUS_INLAY,      /* Tag-it HF-I Plus Inlay           */
    500     RW_I93_TAG_IT_HF_I_PLUS_CHIP,       /* Tag-it HF-I Plus Chip            */
    501     RW_I93_TAG_IT_HF_I_STD_CHIP_INLAY,  /* Tag-it HF-I Standard Chip/Inlyas */
    502     RW_I93_TAG_IT_HF_I_PRO_CHIP_INLAY,  /* Tag-it HF-I Pro Chip/Inlyas      */
    503     RW_I93_UNKNOWN_PRODUCT              /* Unknwon product version          */
    504 };
    505 
    506 typedef struct
    507 {
    508     tRW_I93_RW_STATE    state;                  /* main state                       */
    509     tRW_I93_RW_SUBSTATE sub_state;              /* sub state                        */
    510     TIMER_LIST_ENT      timer;                  /* timeout for each sent command    */
    511     UINT8               sent_cmd;               /* last sent command                */
    512 
    513     UINT8               info_flags;             /* information flags                */
    514     UINT8               uid[I93_UID_BYTE_LEN];  /* UID of currently activated       */
    515     UINT8               dsfid;                  /* DSFID if I93_INFO_FLAG_DSFID     */
    516     UINT8               afi;                    /* AFI if I93_INFO_FLAG_AFI         */
    517     UINT8               block_size;             /* block size of tag, in bytes      */
    518     UINT16              num_block;              /* number of blocks in tag          */
    519     UINT8               ic_reference;           /* IC Reference of tag              */
    520     UINT8               product_version;        /* tag product version              */
    521 
    522     UINT8               intl_flags;             /* flags for internal information   */
    523 
    524     UINT8               tlv_detect_state;       /* TLV detecting state              */
    525     UINT8               tlv_type;               /* currently detected type          */
    526     UINT16              tlv_length;             /* currently detected length        */
    527 
    528     UINT16              ndef_tlv_start_offset;  /* offset of first byte of NDEF TLV */
    529     UINT16              ndef_tlv_last_offset;   /* offset of last byte of NDEF TLV  */
    530     UINT16              max_ndef_length;        /* max NDEF length the tag contains */
    531     UINT16              ndef_length;            /* length of NDEF data              */
    532 
    533     UINT8              *p_update_data;          /* pointer of data to update        */
    534     UINT16              rw_length;              /* bytes to read/write              */
    535     UINT16              rw_offset;              /* offset to read/write             */
    536 } tRW_I93_CB;
    537 
    538 /* RW memory control blocks */
    539 typedef union
    540 {
    541     tRW_T1T_CB          t1t;
    542     tRW_T2T_CB          t2t;
    543     tRW_T3T_CB          t3t;
    544     tRW_T4T_CB          t4t;
    545     tRW_I93_CB          i93;
    546 } tRW_TCB;
    547 
    548 /* RW control blocks */
    549 typedef struct
    550 {
    551     tRW_TCB             tcb;
    552     tRW_CBACK           *p_cback;
    553     UINT32              cur_retry;          /* Retry count for the current operation */
    554 #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
    555     tRW_STATS           stats;
    556 #endif  /* RW_STATS_INCLUDED */
    557     UINT8               trace_level;
    558 } tRW_CB;
    559 
    560 
    561 /*****************************************************************************
    562 **  EXTERNAL FUNCTION DECLARATIONS
    563 *****************************************************************************/
    564 
    565 #ifdef __cplusplus
    566 extern "C" {
    567 #endif
    568 
    569 /* Global NFC data */
    570 #if NFC_DYNAMIC_MEMORY == FALSE
    571 NFC_API extern tRW_CB  rw_cb;
    572 #else
    573 NFC_API extern tRW_CB *rw_cb_ptr;
    574 #define rw_cb (*rw_cb_ptr)
    575 #endif
    576 
    577 /* from .c */
    578 
    579 #if (defined (RW_NDEF_INCLUDED) && (RW_NDEF_INCLUDED == TRUE))
    580 extern tRW_EVENT rw_t1t_handle_rsp (const tT1T_CMD_RSP_INFO * p_info, BOOLEAN *p_notify, UINT8 *p_data, tNFC_STATUS *p_status);
    581 extern tRW_EVENT rw_t1t_info_to_event (const tT1T_CMD_RSP_INFO * p_info);
    582 #else
    583 #define rw_t1t_handle_rsp(p, a, b, c)       t1t_info_to_evt (p)
    584 #define rw_t1t_info_to_event(p)             t1t_info_to_evt (p)
    585 #endif
    586 
    587 extern void rw_init (void);
    588 extern tNFC_STATUS rw_t1t_select (UINT8 hr[T1T_HR_LEN], UINT8 uid[T1T_CMD_UID_LEN]);
    589 extern tNFC_STATUS rw_t1t_send_dyn_cmd (UINT8 opcode, UINT8 add, UINT8 *p_dat);
    590 extern tNFC_STATUS rw_t1t_send_static_cmd (UINT8 opcode, UINT8 add, UINT8 dat);
    591 extern void rw_t1t_process_timeout (TIMER_LIST_ENT *p_tle);
    592 extern void rw_t1t_handle_op_complete (void);
    593 
    594 #if (defined (RW_NDEF_INCLUDED) && (RW_NDEF_INCLUDED == TRUE))
    595 extern tRW_EVENT rw_t2t_info_to_event (const tT2T_CMD_RSP_INFO *p_info);
    596 extern void rw_t2t_handle_rsp (UINT8 *p_data);
    597 #else
    598 #define rw_t2t_info_to_event(p)             t2t_info_to_evt (p)
    599 #define rw_t2t_handle_rsp(p)
    600 #endif
    601 
    602 extern tNFC_STATUS rw_t2t_sector_change (UINT8 sector);
    603 extern tNFC_STATUS rw_t2t_read (UINT16 block);
    604 extern tNFC_STATUS rw_t2t_write (UINT16 block, UINT8 *p_write_data);
    605 extern void rw_t2t_process_timeout (TIMER_LIST_ENT *p_tle);
    606 extern tNFC_STATUS rw_t2t_select (void);
    607 void rw_t2t_handle_op_complete (void);
    608 
    609 extern void rw_t3t_process_timeout (TIMER_LIST_ENT *p_tle);
    610 extern tNFC_STATUS rw_t3t_select (UINT8 peer_nfcid2[NCI_RF_F_UID_LEN], UINT8 mrti_check, UINT8 mrti_update);
    611 void rw_t3t_handle_nci_poll_ntf (UINT8 nci_status, UINT8 num_responses, UINT8 sensf_res_buf_size, UINT8 *p_sensf_res_buf);
    612 
    613 extern tNFC_STATUS rw_t4t_select (void);
    614 extern void rw_t4t_process_timeout (TIMER_LIST_ENT *p_tle);
    615 
    616 extern tNFC_STATUS rw_i93_select (void);
    617 extern void rw_i93_process_timeout (TIMER_LIST_ENT *p_tle);
    618 
    619 #if (defined (RW_STATS_INCLUDED) && (RW_STATS_INCLUDED == TRUE))
    620 /* Internal fcns for statistics (from rw_main.c) */
    621 void rw_main_reset_stats (void);
    622 void rw_main_update_tx_stats (UINT32 bytes_tx, BOOLEAN is_retry);
    623 void rw_main_update_rx_stats (UINT32 bytes_rx);
    624 void rw_main_update_crc_error_stats (void);
    625 void rw_main_update_trans_error_stats (void);
    626 void rw_main_update_fail_stats (void);
    627 void rw_main_log_stats (void);
    628 #endif  /* RW_STATS_INCLUDED */
    629 
    630 #ifdef __cplusplus
    631 }
    632 #endif
    633 
    634 #endif /* RW_INT_H_ */
    635