linux/drivers/nfc/mei_phy.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2013, Intel Corporation.
 *
 * MEI Library for mei bus nfc device access
 */
#define pr_fmt(fmt) …

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/nfc.h>

#include "mei_phy.h"

struct mei_nfc_hdr { … } __packed;

struct mei_nfc_cmd { … } __packed;

struct mei_nfc_reply { … } __packed;

struct mei_nfc_if_version { … } __packed;

struct mei_nfc_connect { … } __packed;

struct mei_nfc_connect_resp { … } __packed;


#define MEI_NFC_CMD_MAINTENANCE …
#define MEI_NFC_CMD_HCI_SEND …
#define MEI_NFC_CMD_HCI_RECV …

#define MEI_NFC_SUBCMD_CONNECT …
#define MEI_NFC_SUBCMD_IF_VERSION …

#define MEI_NFC_MAX_READ …

#define MEI_DUMP_SKB_IN(info, skb) …

#define MEI_DUMP_SKB_OUT(info, skb) …

#define MEI_DUMP_NFC_HDR(info, _hdr) …

static int mei_nfc_if_version(struct nfc_mei_phy *phy)
{ … }

static int mei_nfc_connect(struct nfc_mei_phy *phy)
{ … }

static int mei_nfc_send(struct nfc_mei_phy *phy, const u8 *buf, size_t length)
{ … }

/*
 * Writing a frame must not return the number of written bytes.
 * It must return either zero for success, or <0 for error.
 * In addition, it must not alter the skb
 */
static int nfc_mei_phy_write(void *phy_id, struct sk_buff *skb)
{ … }

static int mei_nfc_recv(struct nfc_mei_phy *phy, u8 *buf, size_t length)
{ … }


static void nfc_mei_rx_cb(struct mei_cl_device *cldev)
{ … }

static int nfc_mei_phy_enable(void *phy_id)
{ … }

static void nfc_mei_phy_disable(void *phy_id)
{ … }

const struct nfc_phy_ops mei_phy_ops = …;
EXPORT_SYMBOL_GPL(…);

struct nfc_mei_phy *nfc_mei_phy_alloc(struct mei_cl_device *cldev)
{ … }
EXPORT_SYMBOL_GPL(…);

void nfc_mei_phy_free(struct nfc_mei_phy *phy)
{ … }
EXPORT_SYMBOL_GPL(…);

MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;