u-boot/include/usb_mass_storage.h
Przemyslaw Marczak 3603e31db5 usb: ums: wait for usb cable connection before enter ums mode
Before this change ums mode can not be entered when device
was using the same usb port for usb/uart communication.
Switching USB cable from UART to USB always causes ums exit.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
2014-01-13 12:29:12 +01:00

53 lines
1.1 KiB
C

/*
* 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__ */