LXR linux/drivers/nfc/s3fwrn5/s3fwrn5.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * NCI based driver for Samsung S3FWRN5 NFC chip
   4 *
   5 * Copyright (C) 2015 Samsung Electrnoics
   6 * Robert Baldyga <r.baldyga@samsung.com>
   7 */
   8
   9#ifndef __LOCAL_S3FWRN5_H_
  10#define __LOCAL_S3FWRN5_H_
  11
  12#include <linux/nfc.h>
  13
  14#include <net/nfc/nci_core.h>
  15
  16#include "firmware.h"
  17
  18enum s3fwrn5_mode {
  19        S3FWRN5_MODE_COLD,
  20        S3FWRN5_MODE_NCI,
  21        S3FWRN5_MODE_FW,
  22};
  23
  24struct s3fwrn5_phy_ops {
  25        void (*set_wake)(void *id, bool sleep);
  26        void (*set_mode)(void *id, enum s3fwrn5_mode);
  27        enum s3fwrn5_mode (*get_mode)(void *id);
  28        int (*write)(void *id, struct sk_buff *skb);
  29};
  30
  31struct s3fwrn5_info {
  32        struct nci_dev *ndev;
  33        void *phy_id;
  34        struct device *pdev;
  35
  36        const struct s3fwrn5_phy_ops *phy_ops;
  37
  38        struct s3fwrn5_fw_info fw_info;
  39
  40        struct mutex mutex;
  41};
  42
  43static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info,
  44        enum s3fwrn5_mode mode)
  45{
  46        if (!info->phy_ops->set_mode)
  47                return -EOPNOTSUPP;
  48
  49        info->phy_ops->set_mode(info->phy_id, mode);
  50
  51        return 0;
  52}
  53
  54static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info)
  55{
  56        if (!info->phy_ops->get_mode)
  57                return -EOPNOTSUPP;
  58
  59        return info->phy_ops->get_mode(info->phy_id);
  60}
  61
  62static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake)
  63{
  64        if (!info->phy_ops->set_wake)
  65                return -EOPNOTSUPP;
  66
  67        info->phy_ops->set_wake(info->phy_id, wake);
  68
  69        return 0;
  70}
  71
  72static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb)
  73{
  74        if (!info->phy_ops->write)
  75                return -EOPNOTSUPP;
  76
  77        return info->phy_ops->write(info->phy_id, skb);
  78}
  79
  80int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev,
  81        const struct s3fwrn5_phy_ops *phy_ops);
  82void s3fwrn5_remove(struct nci_dev *ndev);
  83
  84int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb,
  85        enum s3fwrn5_mode mode);
  86
  87#endif /* __LOCAL_S3FWRN5_H_ */
  88