/*
   * Copyright (C) 2011 Samsung Electrnoics
   * Lukasz Majewski <l.majewski@samsung.com>
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef __USB_MASS_STORAGE_H__
  #define __USB_MASS_STORAGE_H__
  
  #define SECTOR_SIZE		0x200

  #include <mmc.h>

  #include <linux/usb/composite.h>

  #ifndef UMS_START_SECTOR
  #define UMS_START_SECTOR	0
  #endif

  #ifndef UMS_NUM_SECTORS
  #define UMS_NUM_SECTORS		0
  #endif

  /* Wait at maximum 60 seconds for cable connection */
  #define UMS_CABLE_READY_TIMEOUT	60

  struct ums {
  	int (*read_sector)(struct ums *ums_dev,

  			   ulong start, lbaint_t blkcnt, void *buf);

  	int (*write_sector)(struct ums *ums_dev,

  			    ulong start, lbaint_t blkcnt, const void *buf);

  	unsigned int start_sector;
  	unsigned int num_sectors;

  	const char *name;

  	struct mmc *mmc;

  };

  extern struct ums *ums;
  
  int fsg_init(struct ums *);

  void fsg_cleanup(void);

  struct ums *ums_init(unsigned int);

  int fsg_main_thread(void *);

  #ifdef CONFIG_USB_GADGET_MASS_STORAGE
  int fsg_add(struct usb_configuration *c);
  #else
  int fsg_add(struct usb_configuration *c)
  {
  	return 0;
  }
  #endif

  #endif /* __USB_MASS_STORAGE_H__ */