include/usb_mass_storage.h

   1 /*
   2  * Copyright (C) 2011 Samsung Electrnoics
   3  * Lukasz Majewski <l.majewski@samsung.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __USB_MASS_STORAGE_H__
   9 #define __USB_MASS_STORAGE_H__
  10
  11 #define SECTOR_SIZE             0x200
  12 #include <mmc.h>
  13 #include <linux/usb/composite.h>
  14
  15 #ifndef UMS_START_SECTOR
  16 #define UMS_START_SECTOR        0
  17 #endif
  18
  19 #ifndef UMS_NUM_SECTORS
  20 #define UMS_NUM_SECTORS         0
  21 #endif
  22
  23 /* Wait at maximum 60 seconds for cable connection */
  24 #define UMS_CABLE_READY_TIMEOUT 60
  25
  26 struct ums {
  27         int (*read_sector)(struct ums *ums_dev,
  28                            ulong start, lbaint_t blkcnt, void *buf);
  29         int (*write_sector)(struct ums *ums_dev,
  30                             ulong start, lbaint_t blkcnt, const void *buf);
  31         unsigned int start_sector;
  32         unsigned int num_sectors;
  33         const char *name;
  34         struct mmc *mmc;
  35 };
  36
  37 extern struct ums *ums;
  38
  39 int fsg_init(struct ums *);
  40 void fsg_cleanup(void);
  41 struct ums *ums_init(unsigned int);
  42 int fsg_main_thread(void *);
  43 int fsg_add(struct usb_configuration *c);
  44 #endif /* __USB_MASS_STORAGE_H__ */