// SPDX-License-Identifier: GPL-2.0-only /* * Sony NFC Port-100 Series driver * Copyright (c) 2013, Intel Corporation. * * Partly based/Inspired by Stephen Tiedemann's nfcpy */ #include <linux/module.h> #include <linux/usb.h> #include <net/nfc/digital.h> #define VERSION … #define SONY_VENDOR_ID … #define RCS380S_PRODUCT_ID … #define RCS380P_PRODUCT_ID … #define PORT100_PROTOCOLS … #define PORT100_CAPABILITIES … /* Standard port100 frame definitions */ #define PORT100_FRAME_HEADER_LEN … #define PORT100_FRAME_TAIL_LEN … #define PORT100_COMM_RF_HEAD_MAX_LEN … /* * Max extended frame payload len, excluding CC and SCC * which are already in PORT100_FRAME_HEADER_LEN. */ #define PORT100_FRAME_MAX_PAYLOAD_LEN … #define PORT100_FRAME_ACK_SIZE … static u8 ack_frame[PORT100_FRAME_ACK_SIZE] = …; #define PORT100_FRAME_CHECKSUM(f) … #define PORT100_FRAME_POSTAMBLE(f) … /* start of frame */ #define PORT100_FRAME_SOF … #define PORT100_FRAME_EXT … #define PORT100_FRAME_ACK … /* Port-100 command: in or out */ #define PORT100_FRAME_DIRECTION(f) … #define PORT100_FRAME_DIR_OUT … #define PORT100_FRAME_DIR_IN … /* Port-100 sub-command */ #define PORT100_FRAME_CMD(f) … #define PORT100_CMD_GET_FIRMWARE_VERSION … #define PORT100_CMD_GET_COMMAND_TYPE … #define PORT100_CMD_SET_COMMAND_TYPE … #define PORT100_CMD_IN_SET_RF … #define PORT100_CMD_IN_SET_PROTOCOL … #define PORT100_CMD_IN_COMM_RF … #define PORT100_CMD_TG_SET_RF … #define PORT100_CMD_TG_SET_PROTOCOL … #define PORT100_CMD_TG_SET_RF_OFF … #define PORT100_CMD_TG_COMM_RF … #define PORT100_CMD_SWITCH_RF … #define PORT100_CMD_RESPONSE(cmd) … #define PORT100_CMD_TYPE_IS_SUPPORTED(mask, cmd_type) … #define PORT100_CMD_TYPE_0 … #define PORT100_CMD_TYPE_1 … #define PORT100_CMD_STATUS_OK … #define PORT100_CMD_STATUS_TIMEOUT … #define PORT100_MDAA_TGT_HAS_BEEN_ACTIVATED_MASK … #define PORT100_MDAA_TGT_WAS_ACTIVATED_MASK … struct port100; port100_send_async_complete_t; /* * Setting sets structure for in_set_rf command * * @in_*_set_number: Represent the entry indexes in the port-100 RF Base Table. * This table contains multiple RF setting sets required for RF * communication. * * @in_*_comm_type: Theses fields set the communication type to be used. */ struct port100_in_rf_setting { … } __packed; #define PORT100_COMM_TYPE_IN_212F … #define PORT100_COMM_TYPE_IN_424F … #define PORT100_COMM_TYPE_IN_106A … #define PORT100_COMM_TYPE_IN_106B … static const struct port100_in_rf_setting in_rf_settings[] = …; /** * struct port100_tg_rf_setting - Setting sets structure for tg_set_rf command * * @tg_set_number: Represents the entry index in the port-100 RF Base Table. * This table contains multiple RF setting sets required for RF * communication. this field is used for both send and receive * settings. * * @tg_comm_type: Sets the communication type to be used to send and receive * data. */ struct port100_tg_rf_setting { … } __packed; #define PORT100_COMM_TYPE_TG_106A … #define PORT100_COMM_TYPE_TG_212F … #define PORT100_COMM_TYPE_TG_424F … static const struct port100_tg_rf_setting tg_rf_settings[] = …; #define PORT100_IN_PROT_INITIAL_GUARD_TIME … #define PORT100_IN_PROT_ADD_CRC … #define PORT100_IN_PROT_CHECK_CRC … #define PORT100_IN_PROT_MULTI_CARD … #define PORT100_IN_PROT_ADD_PARITY … #define PORT100_IN_PROT_CHECK_PARITY … #define PORT100_IN_PROT_BITWISE_AC_RECV_MODE … #define PORT100_IN_PROT_VALID_BIT_NUMBER … #define PORT100_IN_PROT_CRYPTO1 … #define PORT100_IN_PROT_ADD_SOF … #define PORT100_IN_PROT_CHECK_SOF … #define PORT100_IN_PROT_ADD_EOF … #define PORT100_IN_PROT_CHECK_EOF … #define PORT100_IN_PROT_DEAF_TIME … #define PORT100_IN_PROT_CRM … #define PORT100_IN_PROT_CRM_MIN_LEN … #define PORT100_IN_PROT_T1_TAG_FRAME … #define PORT100_IN_PROT_RFCA … #define PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR … #define PORT100_IN_PROT_END … #define PORT100_IN_MAX_NUM_PROTOCOLS … #define PORT100_TG_PROT_TU … #define PORT100_TG_PROT_RF_OFF … #define PORT100_TG_PROT_CRM … #define PORT100_TG_PROT_END … #define PORT100_TG_MAX_NUM_PROTOCOLS … struct port100_protocol { … } __packed; static const struct port100_protocol in_protocols[][PORT100_IN_MAX_NUM_PROTOCOLS + 1] = …; static const struct port100_protocol tg_protocols[][PORT100_TG_MAX_NUM_PROTOCOLS + 1] = …; struct port100 { … }; struct port100_cmd { … }; struct port100_frame { … } __packed; struct port100_ack_frame { … } __packed; struct port100_cb_arg { … }; struct port100_tg_comm_rf_cmd { … } __packed; struct port100_tg_comm_rf_res { … } __packed; /* The rule: value + checksum = 0 */ static inline u8 port100_checksum(u16 value) { … } /* The rule: sum(data elements) + checksum = 0 */ static u8 port100_data_checksum(const u8 *data, int datalen) { … } static void port100_tx_frame_init(void *_frame, u8 cmd_code) { … } static void port100_tx_frame_finish(void *_frame) { … } static void port100_tx_update_payload_len(void *_frame, int len) { … } static bool port100_rx_frame_is_valid(const void *_frame) { … } static bool port100_rx_frame_is_ack(const struct port100_ack_frame *frame) { … } static inline int port100_rx_frame_size(const void *frame) { … } static bool port100_rx_frame_is_cmd_response(const struct port100 *dev, const void *frame) { … } static void port100_recv_response(struct urb *urb) { … } static int port100_submit_urb_for_response(const struct port100 *dev, gfp_t flags) { … } static void port100_recv_ack(struct urb *urb) { … } static int port100_submit_urb_for_ack(const struct port100 *dev, gfp_t flags) { … } static int port100_send_ack(struct port100 *dev) { … } static int port100_send_frame_async(struct port100 *dev, const struct sk_buff *out, const struct sk_buff *in, int in_len) { … } static void port100_build_cmd_frame(struct port100 *dev, u8 cmd_code, struct sk_buff *skb) { … } static void port100_send_async_complete(struct port100 *dev) { … } static int port100_send_cmd_async(struct port100 *dev, u8 cmd_code, struct sk_buff *req, port100_send_async_complete_t complete_cb, void *complete_cb_context) { … } struct port100_sync_cmd_response { … }; static void port100_wq_cmd_complete(struct work_struct *work) { … } static void port100_send_sync_complete(struct port100 *dev, void *_arg, struct sk_buff *resp) { … } static struct sk_buff *port100_send_cmd_sync(struct port100 *dev, u8 cmd_code, struct sk_buff *req) { … } static void port100_send_complete(struct urb *urb) { … } static void port100_abort_cmd(struct nfc_digital_dev *ddev) { … } static struct sk_buff *port100_alloc_skb(const struct port100 *dev, unsigned int size) { … } static int port100_set_command_type(struct port100 *dev, u8 command_type) { … } static u64 port100_get_command_type_mask(struct port100 *dev) { … } static u16 port100_get_firmware_version(struct port100 *dev) { … } static int port100_switch_rf(struct nfc_digital_dev *ddev, bool on) { … } static int port100_in_set_rf(struct nfc_digital_dev *ddev, u8 rf) { … } static int port100_in_set_framing(struct nfc_digital_dev *ddev, int param) { … } static int port100_in_configure_hw(struct nfc_digital_dev *ddev, int type, int param) { … } static void port100_in_comm_rf_complete(struct port100 *dev, void *arg, struct sk_buff *resp) { … } static int port100_in_send_cmd(struct nfc_digital_dev *ddev, struct sk_buff *skb, u16 _timeout, nfc_digital_cmd_complete_t cb, void *arg) { … } static int port100_tg_set_rf(struct nfc_digital_dev *ddev, u8 rf) { … } static int port100_tg_set_framing(struct nfc_digital_dev *ddev, int param) { … } static int port100_tg_configure_hw(struct nfc_digital_dev *ddev, int type, int param) { … } static bool port100_tg_target_activated(struct port100 *dev, u8 tgt_activated) { … } static void port100_tg_comm_rf_complete(struct port100 *dev, void *arg, struct sk_buff *resp) { … } static int port100_tg_send_cmd(struct nfc_digital_dev *ddev, struct sk_buff *skb, u16 timeout, nfc_digital_cmd_complete_t cb, void *arg) { … } static int port100_listen_mdaa(struct nfc_digital_dev *ddev, struct digital_tg_mdaa_params *params, u16 timeout, nfc_digital_cmd_complete_t cb, void *arg) { … } static int port100_listen(struct nfc_digital_dev *ddev, u16 timeout, nfc_digital_cmd_complete_t cb, void *arg) { … } static const struct nfc_digital_ops port100_digital_ops = …; static const struct usb_device_id port100_table[] = …; MODULE_DEVICE_TABLE(usb, port100_table); static int port100_probe(struct usb_interface *interface, const struct usb_device_id *id) { … } static void port100_disconnect(struct usb_interface *interface) { … } static struct usb_driver port100_driver = …; module_usb_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_VERSION(…); MODULE_LICENSE(…) …;
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