GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2011 Samsung Electrnoics
+ * Lukasz Majewski <l.majewski@samsung.com>
+ */
+
+#ifndef __USB_MASS_STORAGE_H__
+#define __USB_MASS_STORAGE_H__
+
+#define SECTOR_SIZE		0x200
+#include <part.h>
+#include <linux/usb/composite.h>
+
+/* 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 blk_desc block_dev;
+};
+
+int fsg_init(struct ums *ums_devs, int count);
+void fsg_cleanup(void);
+int fsg_main_thread(void *);
+int fsg_add(struct usb_configuration *c);
+#endif /* __USB_MASS_STORAGE_H__ */