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kernel/linux-rt-4.4.41/drivers/nfc/s3fwrn5/s3fwrn5.h 2.38 KB
5113f6f70   김현기   kernel add
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  /*
   * NCI based driver for Samsung S3FWRN5 NFC chip
   *
   * Copyright (C) 2015 Samsung Electrnoics
   * Robert Baldyga <r.baldyga@samsung.com>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2 or later, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, see <http://www.gnu.org/licenses/>.
   */
  
  #ifndef __LOCAL_S3FWRN5_H_
  #define __LOCAL_S3FWRN5_H_
  
  #include <linux/nfc.h>
  
  #include <net/nfc/nci_core.h>
  
  #include "firmware.h"
  
  enum s3fwrn5_mode {
  	S3FWRN5_MODE_COLD,
  	S3FWRN5_MODE_NCI,
  	S3FWRN5_MODE_FW,
  };
  
  struct s3fwrn5_phy_ops {
  	void (*set_wake)(void *id, bool sleep);
  	void (*set_mode)(void *id, enum s3fwrn5_mode);
  	enum s3fwrn5_mode (*get_mode)(void *id);
  	int (*write)(void *id, struct sk_buff *skb);
  };
  
  struct s3fwrn5_info {
  	struct nci_dev *ndev;
  	void *phy_id;
  	struct device *pdev;
  
  	struct s3fwrn5_phy_ops *phy_ops;
  	unsigned int max_payload;
  
  	struct s3fwrn5_fw_info fw_info;
  
  	struct mutex mutex;
  };
  
  static inline int s3fwrn5_set_mode(struct s3fwrn5_info *info,
  	enum s3fwrn5_mode mode)
  {
  	if (!info->phy_ops->set_mode)
  		return -ENOTSUPP;
  
  	info->phy_ops->set_mode(info->phy_id, mode);
  
  	return 0;
  }
  
  static inline enum s3fwrn5_mode s3fwrn5_get_mode(struct s3fwrn5_info *info)
  {
  	if (!info->phy_ops->get_mode)
  		return -ENOTSUPP;
  
  	return info->phy_ops->get_mode(info->phy_id);
  }
  
  static inline int s3fwrn5_set_wake(struct s3fwrn5_info *info, bool wake)
  {
  	if (!info->phy_ops->set_wake)
  		return -ENOTSUPP;
  
  	info->phy_ops->set_wake(info->phy_id, wake);
  
  	return 0;
  }
  
  static inline int s3fwrn5_write(struct s3fwrn5_info *info, struct sk_buff *skb)
  {
  	if (!info->phy_ops->write)
  		return -ENOTSUPP;
  
  	return info->phy_ops->write(info->phy_id, skb);
  }
  
  int s3fwrn5_probe(struct nci_dev **ndev, void *phy_id, struct device *pdev,
  	struct s3fwrn5_phy_ops *phy_ops, unsigned int max_payload);
  void s3fwrn5_remove(struct nci_dev *ndev);
  
  int s3fwrn5_recv_frame(struct nci_dev *ndev, struct sk_buff *skb,
  	enum s3fwrn5_mode mode);
  
  #endif /* __LOCAL_S3FWRN5_H_ */