/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 STMicroelectronics SAS. All rights reserved. */ #ifndef __LOCAL_ST21NFCA_H_ #define __LOCAL_ST21NFCA_H_ #include <net/nfc/hci.h> #include <linux/skbuff.h> #include <linux/workqueue.h> #define HCI_MODE … /* framing in HCI mode */ #define ST21NFCA_SOF_EOF_LEN … /* Almost every time value is 0 */ #define ST21NFCA_HCI_LLC_LEN … /* Size in worst case : * In normal case CRC len = 2 but byte stuffing * may appear in case one CRC byte = ST21NFCA_SOF_EOF */ #define ST21NFCA_HCI_LLC_CRC … #define ST21NFCA_HCI_LLC_LEN_CRC … #define ST21NFCA_HCI_LLC_MIN_SIZE … /* Worst case when adding byte stuffing between each byte */ #define ST21NFCA_HCI_LLC_MAX_PAYLOAD … #define ST21NFCA_HCI_LLC_MAX_SIZE … /* Reader RF commands */ #define ST21NFCA_WR_XCHG_DATA … #define ST21NFCA_DEVICE_MGNT_GATE … #define ST21NFCA_RF_READER_F_GATE … #define ST21NFCA_RF_CARD_F_GATE … #define ST21NFCA_APDU_READER_GATE … #define ST21NFCA_CONNECTIVITY_GATE … /* * ref ISO7816-3 chap 8.1. the initial character TS is followed by a * sequence of at most 32 characters. */ #define ST21NFCA_ESE_MAX_LENGTH … #define ST21NFCA_ESE_HOST_ID … #define DRIVER_DESC … #define ST21NFCA_HCI_MODE … #define ST21NFCA_NUM_DEVICES … #define ST21NFCA_VENDOR_OUI … #define ST21NFCA_FACTORY_MODE … struct st21nfca_se_status { … }; enum st21nfca_state { … }; /** * enum nfc_vendor_cmds - supported nfc vendor commands * * @FACTORY_MODE: Allow to set the driver into a mode where no secure element * are activated. It does not consider any NFC_ATTR_VENDOR_DATA. * @HCI_CLEAR_ALL_PIPES: Allow to execute a HCI clear all pipes command. * It does not consider any NFC_ATTR_VENDOR_DATA. * @HCI_DM_PUT_DATA: Allow to configure specific CLF registry as for example * RF trimmings or low level drivers configurations (I2C, SPI, SWP). * @HCI_DM_UPDATE_AID: Allow to configure an AID routing into the CLF routing * table following RF technology, CLF mode or protocol. * @HCI_DM_GET_INFO: Allow to retrieve CLF information. * @HCI_DM_GET_DATA: Allow to retrieve CLF configurable data such as low * level drivers configurations or RF trimmings. * @HCI_DM_LOAD: Allow to load a firmware into the CLF. A complete * packet can be more than 8KB. * @HCI_DM_RESET: Allow to run a CLF reset in order to "commit" CLF * configuration changes without CLF power off. * @HCI_GET_PARAM: Allow to retrieve an HCI CLF parameter (for example the * white list). * @HCI_DM_FIELD_GENERATOR: Allow to generate different kind of RF * technology. When using this command to anti-collision is done. * @HCI_LOOPBACK: Allow to echo a command and test the Dh to CLF * connectivity. */ enum nfc_vendor_cmds { … }; struct st21nfca_vendor_info { … }; struct st21nfca_dep_info { … } __packed; struct st21nfca_se_info { … }; struct st21nfca_hci_info { … }; int st21nfca_hci_probe(void *phy_id, const struct nfc_phy_ops *phy_ops, char *llc_name, int phy_headroom, int phy_tailroom, int phy_payload, struct nfc_hci_dev **hdev, struct st21nfca_se_status *se_status); void st21nfca_hci_remove(struct nfc_hci_dev *hdev); int st21nfca_dep_event_received(struct nfc_hci_dev *hdev, u8 event, struct sk_buff *skb); int st21nfca_tm_send_dep_res(struct nfc_hci_dev *hdev, struct sk_buff *skb); int st21nfca_im_send_atr_req(struct nfc_hci_dev *hdev, u8 *gb, size_t gb_len); int st21nfca_im_send_dep_req(struct nfc_hci_dev *hdev, struct sk_buff *skb); void st21nfca_dep_init(struct nfc_hci_dev *hdev); void st21nfca_dep_deinit(struct nfc_hci_dev *hdev); int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host, u8 event, struct sk_buff *skb); int st21nfca_apdu_reader_event_received(struct nfc_hci_dev *hdev, u8 event, struct sk_buff *skb); int st21nfca_hci_discover_se(struct nfc_hci_dev *hdev); int st21nfca_hci_enable_se(struct nfc_hci_dev *hdev, u32 se_idx); int st21nfca_hci_disable_se(struct nfc_hci_dev *hdev, u32 se_idx); int st21nfca_hci_se_io(struct nfc_hci_dev *hdev, u32 se_idx, u8 *apdu, size_t apdu_length, se_io_cb_t cb, void *cb_context); void st21nfca_se_init(struct nfc_hci_dev *hdev); void st21nfca_se_deinit(struct nfc_hci_dev *hdev); int st21nfca_hci_loopback_event_received(struct nfc_hci_dev *ndev, u8 event, struct sk_buff *skb); int st21nfca_vendor_cmds_init(struct nfc_hci_dev *ndev); #endif /* __LOCAL_ST21NFCA_H_ */
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