From c7c3a3526b723b7793f0d4dcbf49f69ea73f3794 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sun, 1 Jan 2012 23:42:02 +0100
Subject: import initial dfu implementation (incomplete)

---
 usb/device/dfu/dfu.h | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 usb/device/dfu/dfu.h

(limited to 'usb/device/dfu/dfu.h')

diff --git a/usb/device/dfu/dfu.h b/usb/device/dfu/dfu.h
new file mode 100644
index 0000000..00a0622
--- /dev/null
+++ b/usb/device/dfu/dfu.h
@@ -0,0 +1,110 @@
+#ifndef _USB_DFU_DESC_H
+#define _USB_DFU_DESC_H
+
+#include <stdint.h>
+#include <board.h>
+#include <usb/common/core/USBGenericDescriptor.h>
+#include <usb/common/core/USBGenericDescriptor.h>
+#include <usb/device/core/USBDDriver.h>
+
+#if 0
+/* This is valid for CCID */
+#define CONFIG_DFU_NUM_APP_IF	1
+#define CONFIG_DFU_NUM_APP_STR	4
+#else
+/* This is valid for CDC-Serial */
+#define CONFIG_DFU_NUM_APP_IF	2
+#define CONFIG_DFU_NUM_APP_STR	2
+#endif
+
+struct USBStringDescriptor {
+	USBGenericDescriptor hdr;
+	unsigned short wData[];
+} __attribute__((packed));
+
+
+#ifdef BOARD_USB_DFU
+
+#define DFU_NUM_IF	3
+
+#define DFU_IF_DESCRIPTORS_STRUCT		\
+	USBInterfaceDescriptor	dfu_interface[DFU_NUM_IF];
+
+#define DFU_IF_DESCRIPTORS			{ 				\
+	{									\
+		.bLength 		= sizeof(USBInterfaceDescriptor),	\
+		.bDescriptorType	= USBGenericDescriptor_INTERFACE,	\
+		.bInterfaceNumber	= CONFIG_DFU_NUM_APP_IF,		\
+		.bAlternateSetting	= 0,					\
+		.bNumEndpoints		= 0,					\
+		.bInterfaceClass	= 0xFE,					\
+		.bInterfaceSubClass	= 0x01,					\
+		.bInterfaceProtocol	= 0x01,					\
+		.iInterface		= CONFIG_DFU_NUM_APP_STR,		\
+	},									\
+	{									\
+		.bLength 		= sizeof(USBInterfaceDescriptor),	\
+		.bDescriptorType	= USBGenericDescriptor_INTERFACE,	\
+		.bInterfaceNumber	= CONFIG_DFU_NUM_APP_IF+1,		\
+		.bAlternateSetting	= 0,					\
+		.bNumEndpoints		= 0,					\
+		.bInterfaceClass	= 0xFE,					\
+		.bInterfaceSubClass	= 0x01,					\
+		.bInterfaceProtocol	= 0x01,					\
+		.iInterface		= CONFIG_DFU_NUM_APP_STR+1,		\
+	},									\
+	{									\
+		.bLength 		= sizeof(USBInterfaceDescriptor),	\
+		.bDescriptorType	= USBGenericDescriptor_INTERFACE,	\
+		.bInterfaceNumber	= CONFIG_DFU_NUM_APP_IF+2,		\
+		.bAlternateSetting	= 0,					\
+		.bNumEndpoints		= 0,					\
+		.bInterfaceClass	= 0xFE,					\
+		.bInterfaceSubClass	= 0x01,					\
+		.bInterfaceProtocol	= 0x01,					\
+		.iInterface		= CONFIG_DFU_NUM_APP_STR+2,		\
+	},									\
+}
+
+extern const struct USBStringDescriptor USBDFU_string1;
+extern const struct USBStringDescriptor USBDFU_string2;
+extern const struct USBStringDescriptor USBDFU_string3;
+
+#define DFU_NUM_STRINGS	3
+#define DFU_STRING_DESCRIPTORS	\
+	(const unsigned char *) &USBDFU_string1,	\
+	(const unsigned char *) &USBDFU_string2,	\
+	(const unsigned char *) &USBDFU_string3,
+
+#else /* BOARD_USB_DFU */
+
+/* no DFU bootloader is being used */
+#define DFU_NUM_IF	0
+#define DFU_IF_DESCRIPTORS_STRUCT
+#define DFU_IF_DESCRIPTORS
+
+#define DFU_NUM_STRINGS	0
+#define DFU_STRING_DESCRIPTORS
+
+#endif /* BOARD_USB_DFU */
+
+/* The API between the core DFU handler and the board/soc specific code */
+
+struct dfu {
+	uint8_t status;
+	uint32_t state;
+	int past_manifest;
+};
+
+extern struct dfu dfu;
+
+/* call-backs by the board/SOC */
+extern int USBDFU_handle_dnload(uint16_t val, uint16_t len, int first);
+static int USBDFU_handle_upload(uint16_t val, uint16_t len, int first);
+
+void USBDFU_Runtime_RequestHandler(USBDDriver *pDriver, const USBGenericRequest *request);
+void USBDFU_DFU_RequestHandler(USBDDriver *pDriver, const USBGenericRequest *request);
+
+void USBDFU_Initialize(const USBDDriverDescriptors *pDescriptors, unsigned char *pInterfaces);
+
+#endif
-- 
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