text: /*
   * Copyright (C) 2014  NXP Semiconductors  All rights reserved.
   *
   * Authors: Clément Perrochaud <clement.perrochaud@nxp.com>
   *
   * Derived from PN544 device driver:
   * Copyright (C) 2012  Intel Corporation. All rights reserved.
   *
   * 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, 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_NXP_NCI_H_
  #define __LOCAL_NXP_NCI_H_
  
  #include <linux/completion.h>
  #include <linux/firmware.h>
  #include <linux/nfc.h>
  #include <linux/platform_data/nxp-nci.h>
  
  #include <net/nfc/nci_core.h>
  
  #define NXP_NCI_FW_HDR_LEN	2
  #define NXP_NCI_FW_CRC_LEN	2
  
  #define NXP_NCI_FW_FRAME_LEN_MASK	0x03FF
  
  enum nxp_nci_mode {
  	NXP_NCI_MODE_COLD,
  	NXP_NCI_MODE_NCI,
  	NXP_NCI_MODE_FW
  };
  
  struct nxp_nci_phy_ops {
  	int (*set_mode)(void *id, enum nxp_nci_mode mode);
  	int (*write)(void *id, struct sk_buff *skb);
  };
  
  struct nxp_nci_fw_info {
  	char name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
  	const struct firmware *fw;
  
  	size_t size;
  	size_t written;
  
  	const u8 *data;
  	size_t frame_size;
  
  	struct work_struct work;
  	struct completion cmd_completion;
  
  	int cmd_result;
  };
  
  struct nxp_nci_info {
  	struct nci_dev *ndev;
  	void *phy_id;
  	struct device *pdev;
  
  	enum nxp_nci_mode mode;
  
  	const struct nxp_nci_phy_ops *phy_ops;
  	unsigned int max_payload;
  
  	struct mutex info_lock;
  
  	struct nxp_nci_fw_info fw_info;
  };
  
  int nxp_nci_fw_download(struct nci_dev *ndev, const char *firmware_name);
  void nxp_nci_fw_work(struct work_struct *work);
  void nxp_nci_fw_recv_frame(struct nci_dev *ndev, struct sk_buff *skb);
  void nxp_nci_fw_work_complete(struct nxp_nci_info *info, int result);
  
  int nxp_nci_probe(void *phy_id, struct device *pdev,
  		  const struct nxp_nci_phy_ops *phy_ops,
  		  unsigned int max_payload,
  		  struct nci_dev **ndev);
  void nxp_nci_remove(struct nci_dev *ndev);
  
  #endif /* __LOCAL_NXP_NCI_H_ */
  