X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=atusb%2Fusb%2Fdfu.h;fp=atusb%2Fusb%2Fdfu.h;h=bc35bbc0511da2d532a75423094db3c548e95a54;hb=dd4bc9ff49b9a7075e579fdd62fd930d27a9a7df;hp=0000000000000000000000000000000000000000;hpb=c164bf7f87f9081fee7e1a186dd7a87a9a020b9e;p=linux-libre-firmware.git

diff --git a/atusb/usb/dfu.h b/atusb/usb/dfu.h
new file mode 100644
index 0000000..bc35bbc
--- /dev/null
+++ b/atusb/usb/dfu.h
@@ -0,0 +1,119 @@
+/*
+ * boot/dfu.h - DFU protocol constants and data structures
+ *
+ * Written 2008, 2011, 2013-2015 by Werner Almesberger
+ * Copyright 2008, 2011, 2013-2015 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#ifndef DFU_H
+#define DFU_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "usb.h"
+
+
+enum dfu_request {
+	DFU_DETACH,
+	DFU_DNLOAD,
+	DFU_UPLOAD,
+	DFU_GETSTATUS,
+	DFU_CLRSTATUS,
+	DFU_GETSTATE,
+	DFU_ABORT,
+};
+
+
+enum dfu_status {
+	OK,
+	errTARGET,
+	errFILE,
+	errWRITE,
+	errERASE,
+	errCHECK_ERASED,
+	errPROG,
+	errVERIFY,
+	errADDRESS,
+	errNOTDONE,
+	errFIRMWARE,
+	errVENDOR,
+	errUSBR,
+	errPOR,
+	errUNKNOWN,
+	errSTALLEDPKT,
+};
+
+
+enum dfu_state {
+	appIDLE,
+	appDETACH,
+	dfuIDLE,
+	dfuDNLOAD_SYNC,
+	dfuDNBUSY,
+	dfuDNLOAD_IDLE,
+	dfuMANIFEST_SYNC,
+	dfuMANIFEST,
+	dfuMANIFEST_WAIT_RESET,
+	dfuUPLOAD_IDLE,
+	dfuERROR
+};
+
+enum dfu_itf_proto {
+	dfu_proto_runtime	= 1,	/* Runtime protocol */
+	dfu_proto_dfu		= 2,	/* DFU mode protocol */
+};
+
+
+#define DFU_DT_FUNCTIONAL	0x21	/* DFU FUNCTIONAL descriptor type */
+
+
+#define	DFU_TO_DEV(req)		(0x21 | (req) << 8)
+#define	DFU_FROM_DEV(req)	(0xa1 | (req) << 8)
+
+
+struct dfu {
+	uint8_t status;		/* bStatus */
+	uint8_t toL, toM, toH;	/* bwPollTimeout */
+	uint8_t state;		/* bState */
+	uint8_t iString;
+};
+
+
+#define	DFU_ITF_DESCR(itf, alt, proto, idx)				     \
+	9,			/* bLength */				     \
+	USB_DT_INTERFACE,	/* bDescriptorType */			     \
+	(itf),			/* bInterfaceNumber */			     \
+	(alt),			/* bAlternateSetting */			     \
+	0,			/* bNumEndpoints */			     \
+	0xfe,			/* bInterfaceClass (application specific) */ \
+	0x01,			/* bInterfaceSubClass (device fw upgrade) */ \
+	(proto),		/* bInterfaceProtocol (dfu_proto_*) */	     \
+	(idx),			/* iInterface */
+
+
+struct dfu_flash_ops {
+	void (*start)(void);
+	bool (*can_write)(uint16_t size);
+	void (*write)(const uint8_t *buf, uint16_t size);
+	void (*end_write)(void);
+	uint16_t (*read)(uint8_t *buf, uint16_t size);
+};
+
+extern struct dfu dfu;
+extern const struct dfu_flash_ops *dfu_flash_ops;
+
+
+bool dfu_setup_common(const struct setup_request *setup);
+bool dfu_my_descr(uint8_t type, uint8_t index, const uint8_t **reply,
+    uint8_t *size);
+
+void dfu_init(void);
+
+#endif /* !DFU_H */