linux/drivers/nfc/st21nfca/se.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014  STMicroelectronics SAS. All rights reserved.
 */

#include <net/nfc/hci.h>

#include "st21nfca.h"

#define ST21NFCA_EVT_UICC_ACTIVATE …
#define ST21NFCA_EVT_UICC_DEACTIVATE …
#define ST21NFCA_EVT_SE_HARD_RESET …
#define ST21NFCA_EVT_SE_SOFT_RESET …
#define ST21NFCA_EVT_SE_END_OF_APDU_TRANSFER …
#define ST21NFCA_EVT_SE_ACTIVATE …
#define ST21NFCA_EVT_SE_DEACTIVATE …

#define ST21NFCA_EVT_TRANSMIT_DATA …
#define ST21NFCA_EVT_WTX_REQUEST …

#define ST21NFCA_EVT_CONNECTIVITY …
#define ST21NFCA_EVT_TRANSACTION …

#define ST21NFCA_SE_TO_HOT_PLUG …
/* Connectivity pipe only */
#define ST21NFCA_SE_COUNT_PIPE_UICC …
/* Connectivity + APDU Reader pipe */
#define ST21NFCA_SE_COUNT_PIPE_EMBEDDED …

#define ST21NFCA_SE_MODE_OFF …
#define ST21NFCA_SE_MODE_ON …

#define ST21NFCA_PARAM_ATR …
#define ST21NFCA_ATR_DEFAULT_BWI …

/*
 * WT = 2^BWI/10[s], convert into msecs and add a secure
 * room by increasing by 2 this timeout
 */
#define ST21NFCA_BWI_TO_TIMEOUT(x) …
#define ST21NFCA_ATR_GET_Y_FROM_TD(x) …

/* If TA is present bit 0 is set */
#define ST21NFCA_ATR_TA_PRESENT(x) …
/* If TB is present bit 1 is set */
#define ST21NFCA_ATR_TB_PRESENT(x) …

static u8 st21nfca_se_get_bwi(struct nfc_hci_dev *hdev)
{ … }

static void st21nfca_se_get_atr(struct nfc_hci_dev *hdev)
{ … }

static int st21nfca_hci_control_se(struct nfc_hci_dev *hdev, u32 se_idx,
				u8 state)
{ … }

int st21nfca_hci_discover_se(struct nfc_hci_dev *hdev)
{ … }
EXPORT_SYMBOL(…);

int st21nfca_hci_enable_se(struct nfc_hci_dev *hdev, u32 se_idx)
{ … }
EXPORT_SYMBOL(…);

int st21nfca_hci_disable_se(struct nfc_hci_dev *hdev, u32 se_idx)
{ … }
EXPORT_SYMBOL(…);

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)
{ … }
EXPORT_SYMBOL(…);

static void st21nfca_se_wt_work(struct work_struct *work)
{ … }

static void st21nfca_se_wt_timeout(struct timer_list *t)
{ … }

static void st21nfca_se_activation_timeout(struct timer_list *t)
{ … }

/*
 * Returns:
 * <= 0: driver handled the event, skb consumed
 *    1: driver does not handle the event, please do standard processing
 */
int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host,
				u8 event, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

int st21nfca_apdu_reader_event_received(struct nfc_hci_dev *hdev,
					u8 event, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

void st21nfca_se_init(struct nfc_hci_dev *hdev)
{ … }
EXPORT_SYMBOL(…);

void st21nfca_se_deinit(struct nfc_hci_dev *hdev)
{ … }
EXPORT_SYMBOL(…);