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
  13 #include <mmc.h>
  14 #include <linux/usb/composite.h>
  15
  16 struct ums_device {
  17         struct mmc *mmc;
  18         int dev_num;
  19         int offset;
  20         int part_size;
  21 };
  22
  23 struct ums_board_info {
  24         int (*read_sector)(struct ums_device *ums_dev,
  25                            ulong start, lbaint_t blkcnt, void *buf);
  26         int (*write_sector)(struct ums_device *ums_dev,
  27                             ulong start, lbaint_t blkcnt, const void *buf);
  28         void (*get_capacity)(struct ums_device *ums_dev,
  29                              long long int *capacity);
  30         const char *name;
  31         struct ums_device ums_dev;
  32 };
  33
  34 int fsg_init(struct ums_board_info *);
  35 void fsg_cleanup(void);
  36 struct ums_board_info *board_ums_init(unsigned int, unsigned int,
  37                                       unsigned int);
  38 int fsg_main_thread(void *);
  39
  40 #ifdef CONFIG_USB_GADGET_MASS_STORAGE
  41 int fsg_add(struct usb_configuration *c);
  42 #else
  43 int fsg_add(struct usb_configuration *c)
  44 {
  45         return 0;
  46 }
  47 #endif
  48 #endif /* __USB_MASS_STORAGE_H__ */