// SPDX-License-Identifier: GPL-2.0-only /* * Secure Element driver for STMicroelectronics NFC NCI chip * * Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved. */ #include <linux/module.h> #include <linux/nfc.h> #include <linux/delay.h> #include <net/nfc/nci.h> #include <net/nfc/nci_core.h> #include "st-nci.h" struct st_nci_pipe_info { … } __packed; /* Hosts */ #define ST_NCI_HOST_CONTROLLER_ID … #define ST_NCI_TERMINAL_HOST_ID … #define ST_NCI_UICC_HOST_ID … #define ST_NCI_ESE_HOST_ID … /* Gates */ #define ST_NCI_APDU_READER_GATE … #define ST_NCI_CONNECTIVITY_GATE … /* Pipes */ #define ST_NCI_DEVICE_MGNT_PIPE … /* Connectivity pipe only */ #define ST_NCI_SE_COUNT_PIPE_UICC … /* Connectivity + APDU Reader pipe */ #define ST_NCI_SE_COUNT_PIPE_EMBEDDED … #define ST_NCI_SE_TO_HOT_PLUG … #define ST_NCI_SE_TO_PIPES … #define ST_NCI_EVT_HOT_PLUG_IS_INHIBITED(x) … #define NCI_HCI_APDU_PARAM_ATR … #define NCI_HCI_ADMIN_PARAM_SESSION_IDENTITY … #define NCI_HCI_ADMIN_PARAM_WHITELIST … #define NCI_HCI_ADMIN_PARAM_HOST_LIST … #define ST_NCI_EVT_SE_HARD_RESET … #define ST_NCI_EVT_TRANSMIT_DATA … #define ST_NCI_EVT_WTX_REQUEST … #define ST_NCI_EVT_SE_SOFT_RESET … #define ST_NCI_EVT_SE_END_OF_APDU_TRANSFER … #define ST_NCI_EVT_HOT_PLUG … #define ST_NCI_SE_MODE_OFF … #define ST_NCI_SE_MODE_ON … #define ST_NCI_EVT_CONNECTIVITY … #define ST_NCI_EVT_TRANSACTION … #define ST_NCI_DM_GETINFO … #define ST_NCI_DM_GETINFO_PIPE_LIST … #define ST_NCI_DM_GETINFO_PIPE_INFO … #define ST_NCI_DM_PIPE_CREATED … #define ST_NCI_DM_PIPE_OPEN … #define ST_NCI_DM_RF_ACTIVE … #define ST_NCI_DM_DISCONNECT … #define ST_NCI_DM_IS_PIPE_OPEN(p) … #define ST_NCI_ATR_DEFAULT_BWI … /* * WT = 2^BWI/10[s], convert into msecs and add a secure * room by increasing by 2 this timeout */ #define ST_NCI_BWI_TO_TIMEOUT(x) … #define ST_NCI_ATR_GET_Y_FROM_TD(x) … /* If TA is present bit 0 is set */ #define ST_NCI_ATR_TA_PRESENT(x) … /* If TB is present bit 1 is set */ #define ST_NCI_ATR_TB_PRESENT(x) … #define ST_NCI_NUM_DEVICES … static DECLARE_BITMAP(dev_mask, ST_NCI_NUM_DEVICES); /* Here are the mandatory pipe for st_nci */ static struct nci_hci_gate st_nci_gates[] = …; static u8 st_nci_se_get_bwi(struct nci_dev *ndev) { … } static void st_nci_se_get_atr(struct nci_dev *ndev) { … } int st_nci_hci_load_session(struct nci_dev *ndev) { … } EXPORT_SYMBOL_GPL(…); static void st_nci_hci_admin_event_received(struct nci_dev *ndev, u8 event, struct sk_buff *skb) { … } static int st_nci_hci_apdu_reader_event_received(struct nci_dev *ndev, u8 event, struct sk_buff *skb) { … } /* * Returns: * <= 0: driver handled the event, skb consumed * 1: driver does not handle the event, please do standard processing */ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, u8 host, u8 event, struct sk_buff *skb) { … } void st_nci_hci_event_received(struct nci_dev *ndev, u8 pipe, u8 event, struct sk_buff *skb) { … } EXPORT_SYMBOL_GPL(…); void st_nci_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd, struct sk_buff *skb) { … } EXPORT_SYMBOL_GPL(…); static int st_nci_control_se(struct nci_dev *ndev, u8 se_idx, u8 state) { … } int st_nci_disable_se(struct nci_dev *ndev, u32 se_idx) { … } EXPORT_SYMBOL_GPL(…); int st_nci_enable_se(struct nci_dev *ndev, u32 se_idx) { … } EXPORT_SYMBOL_GPL(…); static int st_nci_hci_network_init(struct nci_dev *ndev) { … } int st_nci_discover_se(struct nci_dev *ndev) { … } EXPORT_SYMBOL_GPL(…); int st_nci_se_io(struct nci_dev *ndev, u32 se_idx, u8 *apdu, size_t apdu_length, se_io_cb_t cb, void *cb_context) { … } EXPORT_SYMBOL(…); static void st_nci_se_wt_timeout(struct timer_list *t) { … } static void st_nci_se_activation_timeout(struct timer_list *t) { … } int st_nci_se_init(struct nci_dev *ndev, struct st_nci_se_status *se_status) { … } EXPORT_SYMBOL(…); void st_nci_se_deinit(struct nci_dev *ndev) { … } EXPORT_SYMBOL(…);
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