| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michael Thalmeier | 580 | 69.38% | 3 | 13.04% |
| Aloisio Almeida Jr | 72 | 8.61% | 1 | 4.35% |
| Waldemar Rymarkiewicz | 62 | 7.42% | 7 | 30.43% |
| Lars Poeschel | 59 | 7.06% | 5 | 21.74% |
| Olivier Guiter | 25 | 2.99% | 1 | 4.35% |
| Samuel Ortiz | 24 | 2.87% | 3 | 13.04% |
| Andrey Rusalin | 10 | 1.20% | 1 | 4.35% |
| Rikard Falkeborn | 2 | 0.24% | 1 | 4.35% |
| Thomas Gleixner | 2 | 0.24% | 1 | 4.35% |
| Total | 836 | 23 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for NXP PN533 NFC Chip * * Copyright (C) 2011 Instituto Nokia de Tecnologia * Copyright (C) 2012-2013 Tieto Poland */ #define PN533_DEVICE_STD 0x1 #define PN533_DEVICE_PASORI 0x2 #define PN533_DEVICE_ACR122U 0x3 #define PN533_DEVICE_PN532 0x4 #define PN533_DEVICE_PN532_AUTOPOLL 0x5 #define PN533_ALL_PROTOCOLS (NFC_PROTO_JEWEL_MASK | NFC_PROTO_MIFARE_MASK |\ NFC_PROTO_FELICA_MASK | NFC_PROTO_ISO14443_MASK |\ NFC_PROTO_NFC_DEP_MASK |\ NFC_PROTO_ISO14443_B_MASK) #define PN533_NO_TYPE_B_PROTOCOLS (NFC_PROTO_JEWEL_MASK | \ NFC_PROTO_MIFARE_MASK | \ NFC_PROTO_FELICA_MASK | \ NFC_PROTO_ISO14443_MASK | \ NFC_PROTO_NFC_DEP_MASK) /* Standard pn533 frame definitions (standard and extended)*/ #define PN533_STD_FRAME_HEADER_LEN (sizeof(struct pn533_std_frame) \ + 2) /* data[0] TFI, data[1] CC */ #define PN533_STD_FRAME_TAIL_LEN 2 /* data[len] DCS, data[len + 1] postamble*/ #define PN533_EXT_FRAME_HEADER_LEN (sizeof(struct pn533_ext_frame) \ + 2) /* data[0] TFI, data[1] CC */ #define PN533_CMD_DATAEXCH_HEAD_LEN 1 #define PN533_CMD_DATAEXCH_DATA_MAXLEN 262 #define PN533_CMD_DATAFRAME_MAXLEN 240 /* max data length (send) */ /* * Max extended frame payload len, excluding TFI and CC * which are already in PN533_FRAME_HEADER_LEN. */ #define PN533_STD_FRAME_MAX_PAYLOAD_LEN 263 /* Preamble (1), SoPC (2), ACK Code (2), Postamble (1) */ #define PN533_STD_FRAME_ACK_SIZE 6 /* * Preamble (1), SoPC (2), Packet Length (1), Packet Length Checksum (1), * Specific Application Level Error Code (1) , Postamble (1) */ #define PN533_STD_ERROR_FRAME_SIZE 8 #define PN533_STD_FRAME_CHECKSUM(f) (f->data[f->datalen]) #define PN533_STD_FRAME_POSTAMBLE(f) (f->data[f->datalen + 1]) /* Half start code (3), LEN (4) should be 0xffff for extended frame */ #define PN533_STD_IS_EXTENDED(hdr) ((hdr)->datalen == 0xFF \ && (hdr)->datalen_checksum == 0xFF) #define PN533_EXT_FRAME_CHECKSUM(f) (f->data[be16_to_cpu(f->datalen)]) /* start of frame */ #define PN533_STD_FRAME_SOF 0x00FF /* standard frame identifier: in/out/error */ #define PN533_STD_FRAME_IDENTIFIER(f) (f->data[0]) /* TFI */ #define PN533_STD_FRAME_DIR_OUT 0xD4 #define PN533_STD_FRAME_DIR_IN 0xD5 /* PN533 Commands */ #define PN533_FRAME_CMD(f) (f->data[1]) #define PN533_CMD_GET_FIRMWARE_VERSION 0x02 #define PN533_CMD_SAM_CONFIGURATION 0x14 #define PN533_CMD_RF_CONFIGURATION 0x32 #define PN533_CMD_IN_DATA_EXCHANGE 0x40 #define PN533_CMD_IN_COMM_THRU 0x42 #define PN533_CMD_IN_LIST_PASSIVE_TARGET 0x4A #define PN533_CMD_IN_ATR 0x50 #define PN533_CMD_IN_RELEASE 0x52 #define PN533_CMD_IN_JUMP_FOR_DEP 0x56 #define PN533_CMD_IN_AUTOPOLL 0x60 #define PN533_CMD_TG_INIT_AS_TARGET 0x8c #define PN533_CMD_TG_GET_DATA 0x86 #define PN533_CMD_TG_SET_DATA 0x8e #define PN533_CMD_TG_SET_META_DATA 0x94 #define PN533_CMD_UNDEF 0xff #define PN533_CMD_RESPONSE(cmd) (cmd + 1) /* PN533 Return codes */ #define PN533_CMD_RET_MASK 0x3F #define PN533_CMD_MI_MASK 0x40 #define PN533_CMD_RET_SUCCESS 0x00 #define PN533_FRAME_DATALEN_ACK 0x00 #define PN533_FRAME_DATALEN_ERROR 0x01 #define PN533_FRAME_DATALEN_EXTENDED 0xFF enum pn533_protocol_type { PN533_PROTO_REQ_ACK_RESP = 0, PN533_PROTO_REQ_RESP }; /* Poll modulations */ enum { PN533_POLL_MOD_106KBPS_A, PN533_POLL_MOD_212KBPS_FELICA, PN533_POLL_MOD_424KBPS_FELICA, PN533_POLL_MOD_106KBPS_JEWEL, PN533_POLL_MOD_847KBPS_B, PN533_LISTEN_MOD, __PN533_POLL_MOD_AFTER_LAST, }; #define PN533_POLL_MOD_MAX (__PN533_POLL_MOD_AFTER_LAST - 1) struct pn533_std_frame { u8 preamble; __be16 start_frame; u8 datalen; u8 datalen_checksum; u8 data[]; } __packed; struct pn533_ext_frame { /* Extended Information frame */ u8 preamble; __be16 start_frame; __be16 eif_flag; /* fixed to 0xFFFF */ __be16 datalen; u8 datalen_checksum; u8 data[]; } __packed; struct pn533 { struct nfc_dev *nfc_dev; u32 device_type; enum pn533_protocol_type protocol_type; struct sk_buff_head resp_q; struct sk_buff_head fragment_skb; struct workqueue_struct *wq; struct work_struct cmd_work; struct work_struct cmd_complete_work; struct delayed_work poll_work; struct work_struct mi_rx_work; struct work_struct mi_tx_work; struct work_struct mi_tm_rx_work; struct work_struct mi_tm_tx_work; struct work_struct tg_work; struct work_struct rf_work; struct list_head cmd_queue; struct pn533_cmd *cmd; u8 cmd_pending; struct mutex cmd_lock; /* protects cmd queue */ void *cmd_complete_mi_arg; void *cmd_complete_dep_arg; struct pn533_poll_modulations *poll_mod_active[PN533_POLL_MOD_MAX + 1]; u8 poll_mod_count; u8 poll_mod_curr; u8 poll_dep; u32 poll_protocols; u32 listen_protocols; struct timer_list listen_timer; int cancel_listen; u8 *gb; size_t gb_len; u8 tgt_available_prots; u8 tgt_active_prot; u8 tgt_mode; struct pn533_frame_ops *ops; struct device *dev; void *phy; const struct pn533_phy_ops *phy_ops; }; typedef int (*pn533_send_async_complete_t) (struct pn533 *dev, void *arg, struct sk_buff *resp); struct pn533_cmd { struct list_head queue; u8 code; int status; struct sk_buff *req; struct sk_buff *resp; pn533_send_async_complete_t complete_cb; void *complete_cb_context; }; struct pn533_frame_ops { void (*tx_frame_init)(void *frame, u8 cmd_code); void (*tx_frame_finish)(void *frame); void (*tx_update_payload_len)(void *frame, int len); int tx_header_len; int tx_tail_len; bool (*rx_is_frame_valid)(void *frame, struct pn533 *dev); bool (*rx_frame_is_ack)(void *frame); int (*rx_frame_size)(void *frame); int rx_header_len; int rx_tail_len; int max_payload_len; u8 (*get_cmd_code)(void *frame); }; struct pn533_phy_ops { int (*send_frame)(struct pn533 *priv, struct sk_buff *out); int (*send_ack)(struct pn533 *dev, gfp_t flags); void (*abort_cmd)(struct pn533 *priv, gfp_t flags); /* * dev_up and dev_down are optional. * They are used to inform the phy layer that the nfc chip * is going to be really used very soon. The phy layer can then * bring up it's interface to the chip and have it suspended for power * saving reasons otherwise. */ int (*dev_up)(struct pn533 *priv); int (*dev_down)(struct pn533 *priv); }; struct pn533 *pn53x_common_init(u32 device_type, enum pn533_protocol_type protocol_type, void *phy, const struct pn533_phy_ops *phy_ops, struct pn533_frame_ops *fops, struct device *dev); int pn533_finalize_setup(struct pn533 *dev); void pn53x_common_clean(struct pn533 *priv); void pn533_recv_frame(struct pn533 *dev, struct sk_buff *skb, int status); int pn532_i2c_nfc_alloc(struct pn533 *priv, u32 protocols, struct device *parent); int pn53x_register_nfc(struct pn533 *priv, u32 protocols, struct device *parent); void pn53x_unregister_nfc(struct pn533 *priv); bool pn533_rx_frame_is_cmd_response(struct pn533 *dev, void *frame); bool pn533_rx_frame_is_ack(void *_frame);
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