/* * NFC Digital Protocol stack * Copyright (c) 2013, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * */ #ifndef __DIGITAL_H #define __DIGITAL_H #include #include #include #include #define PROTOCOL_ERR(req) pr_err("%d: NFC Digital Protocol error: %s\n", \ __LINE__, req) #define DIGITAL_CMD_IN_SEND 0 #define DIGITAL_CMD_TG_SEND 1 #define DIGITAL_CMD_TG_LISTEN 2 #define DIGITAL_CMD_TG_LISTEN_MDAA 3 #define DIGITAL_CMD_TG_LISTEN_MD 4 #define DIGITAL_MAX_HEADER_LEN 7 #define DIGITAL_CRC_LEN 2 #define DIGITAL_SENSF_NFCID2_NFC_DEP_B1 0x01 #define DIGITAL_SENSF_NFCID2_NFC_DEP_B2 0xFE #define DIGITAL_SENS_RES_NFC_DEP 0x0100 #define DIGITAL_SEL_RES_NFC_DEP 0x40 #define DIGITAL_SENSF_FELICA_SC 0xFFFF #define DIGITAL_DRV_CAPS_IN_CRC(ddev) \ ((ddev)->driver_capabilities & NFC_DIGITAL_DRV_CAPS_IN_CRC) #define DIGITAL_DRV_CAPS_TG_CRC(ddev) \ ((ddev)->driver_capabilities & NFC_DIGITAL_DRV_CAPS_TG_CRC) struct digital_data_exch { data_exchange_cb_t cb; void *cb_context; }; struct sk_buff *digital_skb_alloc(struct nfc_digital_dev *ddev, unsigned int len); int digital_send_cmd(struct nfc_digital_dev *ddev, u8 cmd_type, struct sk_buff *skb, struct digital_tg_mdaa_params *params, u16 timeout, nfc_digital_cmd_complete_t cmd_cb, void *cb_context); int digital_in_configure_hw(struct nfc_digital_dev *ddev, int type, int param); static inline int digital_in_send_cmd(struct nfc_digital_dev *ddev, struct sk_buff *skb, u16 timeout, nfc_digital_cmd_complete_t cmd_cb, void *cb_context) { return digital_send_cmd(ddev, DIGITAL_CMD_IN_SEND, skb, NULL, timeout, cmd_cb, cb_context); } void digital_poll_next_tech(struct nfc_digital_dev *ddev); int digital_in_send_sens_req(struct nfc_digital_dev *ddev, u8 rf_tech); int digital_in_send_sensb_req(struct nfc_digital_dev *ddev, u8 rf_tech); int digital_in_send_sensf_req(struct nfc_digital_dev *ddev, u8 rf_tech); int digital_in_send_iso15693_inv_req(struct nfc_digital_dev *ddev, u8 rf_tech); int digital_in_iso_dep_pull_sod(struct nfc_digital_dev *ddev, struct sk_buff *skb); int digital_in_iso_dep_push_sod(struct nfc_digital_dev *ddev, struct sk_buff *skb); int digital_target_found(struct nfc_digital_dev *ddev, struct nfc_target *target, u8 protocol); int digital_in_recv_mifare_res(struct sk_buff *resp); int digital_in_send_atr_req(struct nfc_digital_dev *ddev, struct nfc_target *target, __u8 comm_mode, __u8 *gb, size_t gb_len); int digital_in_send_dep_req(struct nfc_digital_dev *ddev, struct nfc_target *target, struct sk_buff *skb, struct digital_data_exch *data_exch); int digital_tg_configure_hw(struct nfc_digital_dev *ddev, int type, int param); static inline int digital_tg_send_cmd(struct nfc_digital_dev *ddev, struct sk_buff *skb, u16 timeout, nfc_digital_cmd_complete_t cmd_cb, void *cb_context) { return digital_send_cmd(ddev, DIGITAL_CMD_TG_SEND, skb, NULL, timeout, cmd_cb, cb_context); } void digital_tg_recv_sens_req(struct nfc_digital_dev *ddev, void *arg, struct sk_buff *resp); void digital_tg_recv_sensf_req(struct nfc_digital_dev *ddev, void *arg, struct sk_buff *resp); static inline int digital_tg_listen(struct nfc_digital_dev *ddev, u16 timeout, nfc_digital_cmd_complete_t cb, void *arg) { return digital_send_cmd(ddev, DIGITAL_CMD_TG_LISTEN, NULL, NULL, timeout, cb, arg); } void digital_tg_recv_atr_req(struct nfc_digital_dev *ddev, void *arg, struct sk_buff *resp); int digital_tg_send_dep_res(struct nfc_digital_dev *ddev, struct sk_buff *skb); int digital_tg_listen_nfca(struct nfc_digital_dev *ddev, u8 rf_tech); int digital_tg_listen_nfcf(struct nfc_digital_dev *ddev, u8 rf_tech); void digital_tg_recv_md_req(struct nfc_digital_dev *ddev, void *arg, struct sk_buff *resp); typedef u16 (*crc_func_t)(u16, const u8 *, size_t); #define CRC_A_INIT 0x6363 #define CRC_B_INIT 0xFFFF #define CRC_F_INIT 0x0000 void digital_skb_add_crc(struct sk_buff *skb, crc_func_t crc_func, u16 init, u8 bitwise_inv, u8 msb_first); static inline void digital_skb_add_crc_a(struct sk_buff *skb) { digital_skb_add_crc(skb, crc_ccitt, CRC_A_INIT, 0, 0); } static inline void digital_skb_add_crc_b(struct sk_buff *skb) { digital_skb_add_crc(skb, crc_ccitt, CRC_B_INIT, 1, 0); } static inline void digital_skb_add_crc_f(struct sk_buff *skb) { digital_skb_add_crc(skb, crc_itu_t, CRC_F_INIT, 0, 1); } static inline void digital_skb_add_crc_none(struct sk_buff *skb) { return; } int digital_skb_check_crc(struct sk_buff *skb, crc_func_t crc_func, u16 crc_init, u8 bitwise_inv, u8 msb_first); static inline int digital_skb_check_crc_a(struct sk_buff *skb) { return digital_skb_check_crc(skb, crc_ccitt, CRC_A_INIT, 0, 0); } static inline int digital_skb_check_crc_b(struct sk_buff *skb) { return digital_skb_check_crc(skb, crc_ccitt, CRC_B_INIT, 1, 0); } static inline int digital_skb_check_crc_f(struct sk_buff *skb) { return digital_skb_check_crc(skb, crc_itu_t, CRC_F_INIT, 0, 1); } static inline int digital_skb_check_crc_none(struct sk_buff *skb) { return 0; } #endif /* __DIGITAL_H */ otate.h?id=b699b71d82e77203be43bda5ff1b72516f129581'>plain -rw-r--r--auxtrace.c47774logplain -rw-r--r--auxtrace.h22142logplain -rw-r--r--block-range.c6948logplain -rw-r--r--block-range.h1607logplain -rw-r--r--bpf-loader.c40787logplain -rw-r--r--bpf-loader.h6215logplain -rw-r--r--bpf-prologue.c11226logplain -rw-r--r--bpf-prologue.h847logplain -rw-r--r--build-id.c19054logplain -rw-r--r--build-id.h1859logplain d---------c++184logplain -rw-r--r--cache.h733logplain -rw-r--r--call-path.c2893logplain -rw-r--r--call-path.h2203logplain -rw-r--r--callchain.c29332logplain -rw-r--r--callchain.h7881logplain -rw-r--r--cgroup.c3195logplain -rw-r--r--cgroup.h359logplain -rw-r--r--cloexec.c1950logplain -rw-r--r--cloexec.h251logplain -rw-r--r--color.c4787logplain -rw-r--r--color.h1647logplain -rw-r--r--comm.c2239logplain -rw-r--r--comm.h561logplain -rw-r--r--config.c16262logplain -rw-r--r--config.h2113logplain -rw-r--r--counts.c1026logplain -rw-r--r--counts.h790logplain -rw-r--r--cpumap.c12627logplain -rw-r--r--cpumap.h1954logplain -rw-r--r--cs-etm.h2061logplain -rw-r--r--ctype.c2018logplain -rw-r--r--data-convert-bt.c36671logplain -rw-r--r--data-convert-bt.h302logplain -rw-r--r--data-convert.h141logplain -rw-r--r--data.c3459logplain -rw-r--r--data.h1369logplain -rw-r--r--db-export.c11434logplain -rw-r--r--db-export.h3816logplain -rw-r--r--debug.c4417logplain -rw-r--r--debug.h2023logplain -rw-r--r--demangle-java.c4219logplain -rw-r--r--demangle-java.h249logplain -rw-r--r--demangle-rust.c6602logplain -rw-r--r--demangle-rust.h170logplain -rw-r--r--drv_configs.c1834logplain -rw-r--r--drv_configs.h844logplain -rw-r--r--dso.c31994logplain -rw-r--r--dso.h10399logplain -rw-r--r--dwarf-aux.c33828logplain -rw-r--r--dwarf-aux.h5101logplain -rw-r--r--dwarf-regs.c1816logplain -rw-r--r--env.c1884logplain -rw-r--r--env.h1268logplain -rw-r--r--event.c36670logplain -rw-r--r--event.h15997logplain -rw-r--r--evlist.c47104logplain -rw-r--r--evlist.h12584logplain -rw-r--r--evsel.c63917logplain -rw-r--r--evsel.h13041logplain -rw-r--r--evsel_fprintf.c5831logplain -rw-r--r--find-vdso-map.c581logplain -rw-r--r--genelf.c11653logplain -rw-r--r--genelf.h1814logplain -rw-r--r--genelf_debug.c14374logplain -rwxr-xr-xgenerate-cmdlist.sh1141logplain -rw-r--r--group.h122logplain -rw-r--r--header.c73410logplain -rw-r--r--header.h4365logplain -rw-r--r--help-unknown-cmd.c3221logplain