drivers/usb: regorganisation

move to linux usb driver organisation

as following

drivers/usb/gadget
drivers/usb/host
drivers/usb/musb

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

1 files changed, 666 insertions, 0 deletions

diff --git a/include/usbdevice.h b/include/usbdevice.h
new file mode 100644
index 0000000000..206dbbc864
--- /dev/null
+++ b/include/usbdevice.h
@@ -0,0 +1,666 @@
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on linux/drivers/usbd/usbd.h
+ *
+ * Copyright (c) 2000, 2001, 2002 Lineo
+ * Copyright (c) 2001 Hewlett Packard
+ *
+ * By:
+ *	Stuart Lynne <sl@lineo.com>,
+ *	Tom Rushworth <tbr@lineo.com>,
+ *	Bruce Balden <balden@lineo.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __USBDCORE_H__
+#define __USBDCORE_H__
+
+#include <common.h>
+#include "usbdescriptors.h"
+
+
+#define MAX_URBS_QUEUED 5
+
+
+#if 1
+#define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
+#else
+#define usberr(fmt,args...) do{}while(0)
+#endif
+
+#if 0
+#define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
+#else
+#define usbdbg(fmt,args...) do{}while(0)
+#endif
+
+#if 0
+#define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
+#else
+#define usbinfo(fmt,args...) do{}while(0)
+#endif
+
+#ifndef le16_to_cpu
+#define le16_to_cpu(x)	(x)
+#endif
+
+#ifndef inb
+#define inb(p)	     (*(volatile u8*)(p))
+#endif
+
+#ifndef outb
+#define outb(val,p)  (*(volatile u8*)(p) = (val))
+#endif
+
+#ifndef inw
+#define inw(p)	     (*(volatile u16*)(p))
+#endif
+
+#ifndef outw
+#define outw(val,p)  (*(volatile u16*)(p) = (val))
+#endif
+
+#ifndef inl
+#define inl(p)	     (*(volatile u32*)(p))
+#endif
+
+#ifndef outl
+#define outl(val,p)  (*(volatile u32*)(p) = (val))
+#endif
+
+#ifndef insw
+#define insw(p,to,len)	   mmio_insw(p,to,len)
+#endif
+
+#ifndef outsw
+#define outsw(p,from,len)  mmio_outsw(p,from,len)
+#endif
+
+#ifndef insb
+#define insb(p,to,len)	   mmio_insb(p,to,len)
+#endif
+
+#ifndef mmio_insw
+#define mmio_insw(r,b,l)	({	int __i ;  \
+					u16 *__b2;  \
+					__b2 = (u16 *) b;  \
+					for (__i = 0; __i < l; __i++) {	 \
+					  *(__b2 + __i) = inw(r);  \
+					};  \
+				})
+#endif
+
+#ifndef mmio_outsw
+#define mmio_outsw(r,b,l)	({	int __i; \
+					u16 *__b2; \
+					__b2 = (u16 *) b; \
+					for (__i = 0; __i < l; __i++) { \
+					    outw( *(__b2 + __i), r); \
+					} \
+				})
+#endif
+
+#ifndef mmio_insb
+#define mmio_insb(r,b,l)	({	int __i ;  \
+					u8 *__b2;  \
+					__b2 = (u8 *) b;  \
+					for (__i = 0; __i < l; __i++) {	 \
+					  *(__b2 + __i) = inb(r);  \
+					};  \
+				})
+#endif
+
+/*
+ * Structure member address manipulation macros.
+ * These are used by client code (code using the urb_link routines), since
+ * the urb_link structure is embedded in the client data structures.
+ *
+ * Note: a macro offsetof equivalent to member_offset is defined in stddef.h
+ *	 but this is kept here for the sake of portability.
+ *
+ * p2surround returns a pointer to the surrounding structure given
+ * type of the surrounding structure, the name memb of the structure
+ * member pointed at by ptr.  For example, if you have:
+ *
+ *	struct foo {
+ *	    int x;
+ *	    float y;
+ *	    char z;
+ *	} thingy;
+ *
+ *	char *cp = &thingy.z;
+ *
+ * then
+ *
+ *	&thingy == p2surround(struct foo, z, cp)
+ *
+ * Clear?
+ */
+#define _cv_(ptr)		  ((char*)(void*)(ptr))
+#define member_offset(type,memb)  (_cv_(&(((type*)0)->memb))-(char*)0)
+#define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb)))
+
+struct urb;
+
+struct usb_endpoint_instance;
+struct usb_interface_instance;
+struct usb_configuration_instance;
+struct usb_device_instance;
+struct usb_bus_instance;
+
+/*
+ * Device and/or Interface Class codes
+ */
+#define USB_CLASS_PER_INTERFACE		0	/* for DeviceClass */
+#define USB_CLASS_AUDIO			1
+#define USB_CLASS_COMM			2
+#define USB_CLASS_HID			3
+#define USB_CLASS_PHYSICAL		5
+#define USB_CLASS_PRINTER		7
+#define USB_CLASS_MASS_STORAGE		8
+#define USB_CLASS_HUB			9
+#define USB_CLASS_DATA			10
+#define USB_CLASS_APP_SPEC		0xfe
+#define USB_CLASS_VENDOR_SPEC		0xff
+
+/*
+ * USB types
+ */
+#define USB_TYPE_STANDARD		(0x00 << 5)
+#define USB_TYPE_CLASS			(0x01 << 5)
+#define USB_TYPE_VENDOR			(0x02 << 5)
+#define USB_TYPE_RESERVED		(0x03 << 5)
+
+/*
+ * USB recipients
+ */
+#define USB_RECIP_DEVICE		0x00
+#define USB_RECIP_INTERFACE		0x01
+#define USB_RECIP_ENDPOINT		0x02
+#define USB_RECIP_OTHER			0x03
+
+/*
+ * USB directions
+ */
+#define USB_DIR_OUT			0
+#define USB_DIR_IN			0x80
+
+/*
+ * Descriptor types
+ */
+#define USB_DT_DEVICE			0x01
+#define USB_DT_CONFIG			0x02
+#define USB_DT_STRING			0x03
+#define USB_DT_INTERFACE		0x04
+#define USB_DT_ENDPOINT			0x05
+
+#define USB_DT_HID			(USB_TYPE_CLASS | 0x01)
+#define USB_DT_REPORT			(USB_TYPE_CLASS | 0x02)
+#define USB_DT_PHYSICAL			(USB_TYPE_CLASS | 0x03)
+#define USB_DT_HUB			(USB_TYPE_CLASS | 0x09)
+
+/*
+ * Descriptor sizes per descriptor type
+ */
+#define USB_DT_DEVICE_SIZE		18
+#define USB_DT_CONFIG_SIZE		9
+#define USB_DT_INTERFACE_SIZE		9
+#define USB_DT_ENDPOINT_SIZE		7
+#define USB_DT_ENDPOINT_AUDIO_SIZE	9	/* Audio extension */
+#define USB_DT_HUB_NONVAR_SIZE		7
+#define USB_DT_HID_SIZE			9
+
+/*
+ * Endpoints
+ */
+#define USB_ENDPOINT_NUMBER_MASK	0x0f	/* in bEndpointAddress */
+#define USB_ENDPOINT_DIR_MASK		0x80
+
+#define USB_ENDPOINT_XFERTYPE_MASK	0x03	/* in bmAttributes */
+#define USB_ENDPOINT_XFER_CONTROL	0
+#define USB_ENDPOINT_XFER_ISOC		1
+#define USB_ENDPOINT_XFER_BULK		2
+#define USB_ENDPOINT_XFER_INT		3
+
+/*
+ * USB Packet IDs (PIDs)
+ */
+#define USB_PID_UNDEF_0			       0xf0
+#define USB_PID_OUT			       0xe1
+#define USB_PID_ACK			       0xd2
+#define USB_PID_DATA0			       0xc3
+#define USB_PID_PING			       0xb4	/* USB 2.0 */
+#define USB_PID_SOF			       0xa5
+#define USB_PID_NYET			       0x96	/* USB 2.0 */
+#define USB_PID_DATA2			       0x87	/* USB 2.0 */
+#define USB_PID_SPLIT			       0x78	/* USB 2.0 */
+#define USB_PID_IN			       0x69
+#define USB_PID_NAK			       0x5a
+#define USB_PID_DATA1			       0x4b
+#define USB_PID_PREAMBLE		       0x3c	/* Token mode */
+#define USB_PID_ERR			       0x3c	/* USB 2.0: handshake mode */
+#define USB_PID_SETUP			       0x2d
+#define USB_PID_STALL			       0x1e
+#define USB_PID_MDATA			       0x0f	/* USB 2.0 */
+
+/*
+ * Standard requests
+ */
+#define USB_REQ_GET_STATUS		0x00
+#define USB_REQ_CLEAR_FEATURE		0x01
+#define USB_REQ_SET_FEATURE		0x03
+#define USB_REQ_SET_ADDRESS		0x05
+#define USB_REQ_GET_DESCRIPTOR		0x06
+#define USB_REQ_SET_DESCRIPTOR		0x07
+#define USB_REQ_GET_CONFIGURATION	0x08
+#define USB_REQ_SET_CONFIGURATION	0x09
+#define USB_REQ_GET_INTERFACE		0x0A
+#define USB_REQ_SET_INTERFACE		0x0B
+#define USB_REQ_SYNCH_FRAME		0x0C
+
+#define USBD_DEVICE_REQUESTS(x) (((unsigned int)x <= USB_REQ_SYNCH_FRAME) ? usbd_device_requests[x] : "UNKNOWN")
+
+/*
+ * HID requests
+ */
+#define USB_REQ_GET_REPORT		0x01
+#define USB_REQ_GET_IDLE		0x02
+#define USB_REQ_GET_PROTOCOL		0x03
+#define USB_REQ_SET_REPORT		0x09
+#define USB_REQ_SET_IDLE		0x0A
+#define USB_REQ_SET_PROTOCOL		0x0B
+
+
+/*
+ * USB Spec Release number
+ */
+
+#define USB_BCD_VERSION			0x0110
+
+
+/*
+ * Device Requests	(c.f Table 9-2)
+ */
+
+#define USB_REQ_DIRECTION_MASK		0x80
+#define USB_REQ_TYPE_MASK		0x60
+#define USB_REQ_RECIPIENT_MASK		0x1f
+
+#define USB_REQ_DEVICE2HOST		0x80
+#define USB_REQ_HOST2DEVICE		0x00
+
+#define USB_REQ_TYPE_STANDARD		0x00
+#define USB_REQ_TYPE_CLASS		0x20
+#define USB_REQ_TYPE_VENDOR		0x40
+
+#define USB_REQ_RECIPIENT_DEVICE	0x00
+#define USB_REQ_RECIPIENT_INTERFACE	0x01
+#define USB_REQ_RECIPIENT_ENDPOINT	0x02
+#define USB_REQ_RECIPIENT_OTHER		0x03
+
+/*
+ * get status bits
+ */
+
+#define USB_STATUS_SELFPOWERED		0x01
+#define USB_STATUS_REMOTEWAKEUP		0x02
+
+#define USB_STATUS_HALT			0x01
+
+/*
+ * descriptor types
+ */
+
+#define USB_DESCRIPTOR_TYPE_DEVICE			0x01
+#define USB_DESCRIPTOR_TYPE_CONFIGURATION		0x02
+#define USB_DESCRIPTOR_TYPE_STRING			0x03
+#define USB_DESCRIPTOR_TYPE_INTERFACE			0x04
+#define USB_DESCRIPTOR_TYPE_ENDPOINT			0x05
+#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER		0x06
+#define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION	0x07
+#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER		0x08
+#define USB_DESCRIPTOR_TYPE_HID				0x21
+#define USB_DESCRIPTOR_TYPE_REPORT			0x22
+
+#define USBD_DEVICE_DESCRIPTORS(x) (((unsigned int)x <= USB_DESCRIPTOR_TYPE_INTERFACE_POWER) ? \
+		usbd_device_descriptors[x] : "UNKNOWN")
+
+/*
+ * standard feature selectors
+ */
+#define USB_ENDPOINT_HALT		0x00
+#define USB_DEVICE_REMOTE_WAKEUP	0x01
+#define USB_TEST_MODE			0x02
+
+
+/* USB Requests
+ *
+ */
+
+struct usb_device_request {
+	u8 bmRequestType;
+	u8 bRequest;
+	u16 wValue;
+	u16 wIndex;
+	u16 wLength;
+} __attribute__ ((packed));
+
+
+/* USB Status
+ *
+ */
+typedef enum urb_send_status {
+	SEND_IN_PROGRESS,
+	SEND_FINISHED_OK,
+	SEND_FINISHED_ERROR,
+	RECV_READY,
+	RECV_OK,
+	RECV_ERROR
+} urb_send_status_t;
+
+/*
+ * Device State (c.f USB Spec 2.0 Figure 9-1)
+ *
+ * What state the usb device is in.
+ *
+ * Note the state does not change if the device is suspended, we simply set a
+ * flag to show that it is suspended.
+ *
+ */
+typedef enum usb_device_state {
+	STATE_INIT,		/* just initialized */
+	STATE_CREATED,		/* just created */
+	STATE_ATTACHED,		/* we are attached */
+	STATE_POWERED,		/* we have seen power indication (electrical bus signal) */
+	STATE_DEFAULT,		/* we been reset */
+	STATE_ADDRESSED,	/* we have been addressed (in default configuration) */
+	STATE_CONFIGURED,	/* we have seen a set configuration device command */
+	STATE_UNKNOWN,		/* destroyed */
+} usb_device_state_t;
+
+#define USBD_DEVICE_STATE(x) (((unsigned int)x <= STATE_UNKNOWN) ? usbd_device_states[x] : "UNKNOWN")
+
+/*
+ * Device status
+ *
+ * Overall state
+ */
+typedef enum usb_device_status {
+	USBD_OPENING,		/* we are currently opening */
+	USBD_OK,		/* ok to use */
+	USBD_SUSPENDED,		/* we are currently suspended */
+	USBD_CLOSING,		/* we are currently closing */
+} usb_device_status_t;
+
+#define USBD_DEVICE_STATUS(x) (((unsigned int)x <= USBD_CLOSING) ? usbd_device_status[x] : "UNKNOWN")
+
+/*
+ * Device Events
+ *
+ * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1).
+ *
+ * There are additional events defined to handle some extra actions we need
+ * to have handled.
+ *
+ */
+typedef enum usb_device_event {
+
+	DEVICE_UNKNOWN,		/* bi - unknown event */
+	DEVICE_INIT,		/* bi  - initialize */
+	DEVICE_CREATE,		/* bi  - */
+	DEVICE_HUB_CONFIGURED,	/* bi  - bus has been plugged int */
+	DEVICE_RESET,		/* bi  - hub has powered our port */
+
+	DEVICE_ADDRESS_ASSIGNED,	/* ep0 - set address setup received */
+	DEVICE_CONFIGURED,	/* ep0 - set configure setup received */
+	DEVICE_SET_INTERFACE,	/* ep0 - set interface setup received */
+
+	DEVICE_SET_FEATURE,	/* ep0 - set feature setup received */
+	DEVICE_CLEAR_FEATURE,	/* ep0 - clear feature setup received */
+
+	DEVICE_DE_CONFIGURED,	/* ep0 - set configure setup received for ?? */
+
+	DEVICE_BUS_INACTIVE,	/* bi  - bus in inactive (no SOF packets) */
+	DEVICE_BUS_ACTIVITY,	/* bi  - bus is active again */
+
+	DEVICE_POWER_INTERRUPTION,	/* bi  - hub has depowered our port */
+	DEVICE_HUB_RESET,	/* bi  - bus has been unplugged */
+	DEVICE_DESTROY,		/* bi  - device instance should be destroyed */
+
+	DEVICE_HOTPLUG,		/* bi  - a hotplug event has occured */
+
+	DEVICE_FUNCTION_PRIVATE,	/* function - private */
+
+} usb_device_event_t;
+
+
+typedef struct urb_link {
+	struct urb_link *next;
+	struct urb_link *prev;
+} urb_link;
+
+/* USB Data structure - for passing data around.
+ *
+ * This is used for both sending and receiving data.
+ *
+ * The callback function is used to let the function driver know when
+ * transmitted data has been sent.
+ *
+ * The callback function is set by the alloc_recv function when an urb is
+ * allocated for receiving data for an endpoint and used to call the
+ * function driver to inform it that data has arrived.
+ */
+
+#define URB_BUF_SIZE 128 /* in linux we'd malloc this, but in u-boot we prefer static data */
+struct urb {
+
+	struct usb_endpoint_instance *endpoint;
+	struct usb_device_instance *device;
+
+	struct usb_device_request device_request;	/* contents of received SETUP packet */
+
+	struct urb_link link;	/* embedded struct for circular doubly linked list of urbs */
+
+	u8* buffer;
+	unsigned int buffer_length;
+	unsigned int actual_length;
+
+	urb_send_status_t status;
+	int data;
+
+	u16 buffer_data[URB_BUF_SIZE];	/* data received (OUT) or being sent (IN) */
+};
+
+/* Endpoint configuration
+ *
+ * Per endpoint configuration data. Used to track which function driver owns
+ * an endpoint.
+ *
+ */
+struct usb_endpoint_instance {
+	int endpoint_address;	/* logical endpoint address */
+
+	/* control */
+	int status;		/* halted */
+	int state;		/* available for use by bus interface driver */
+
+	/* receive side */
+	struct urb_link rcv;	/* received urbs */
+	struct urb_link rdy;	/* empty urbs ready to receive */
+	struct urb *rcv_urb;	/* active urb */
+	int rcv_attributes;	/* copy of bmAttributes from endpoint descriptor */
+	int rcv_packetSize;	/* maximum packet size from endpoint descriptor */
+	int rcv_transferSize;	/* maximum transfer size from function driver */
+	int rcv_queue;
+
+	/* transmit side */
+	struct urb_link tx;	/* urbs ready to transmit */
+	struct urb_link done;	/* transmitted urbs */
+	struct urb *tx_urb;	/* active urb */
+	int tx_attributes;	/* copy of bmAttributes from endpoint descriptor */
+	int tx_packetSize;	/* maximum packet size from endpoint descriptor */
+	int tx_transferSize;	/* maximum transfer size from function driver */
+	int tx_queue;
+
+	int sent;		/* data already sent */
+	int last;		/* data sent in last packet XXX do we need this */
+};
+
+struct usb_alternate_instance {
+	struct usb_interface_descriptor *interface_descriptor;
+
+	int endpoints;
+	int *endpoint_transfersize_array;
+	struct usb_endpoint_descriptor **endpoints_descriptor_array;
+};
+
+struct usb_interface_instance {
+	int alternates;
+	struct usb_alternate_instance *alternates_instance_array;
+};
+
+struct usb_configuration_instance {
+	int interfaces;
+	struct usb_configuration_descriptor *configuration_descriptor;
+	struct usb_interface_instance *interface_instance_array;
+};
+
+
+/* USB Device Instance
+ *
+ * For each physical bus interface we create a logical device structure. This
+ * tracks all of the required state to track the USB HOST's view of the device.
+ *
+ * Keep track of the device configuration for a real physical bus interface,
+ * this includes the bus interface, multiple function drivers, the current
+ * configuration and the current state.
+ *
+ * This will show:
+ *	the specific bus interface driver
+ *	the default endpoint 0 driver
+ *	the configured function driver
+ *	device state
+ *	device status
+ *	endpoint list
+ */
+
+struct usb_device_instance {
+
+	/* generic */
+	char *name;
+	struct usb_device_descriptor *device_descriptor;	/* per device descriptor */
+
+	void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data);
+
+	/* Do cdc device specific control requests */
+	int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb);
+
+	/* bus interface */
+	struct usb_bus_instance *bus;	/* which bus interface driver */
+
+	/* configuration descriptors */
+	int configurations;
+	struct usb_configuration_instance *configuration_instance_array;
+
+	/* device state */
+	usb_device_state_t device_state;	/* current USB Device state */
+	usb_device_state_t device_previous_state;	/* current USB Device state */
+
+	u8 address;		/* current address (zero is default) */
+	u8 configuration;	/* current show configuration (zero is default) */
+	u8 interface;		/* current interface (zero is default) */
+	u8 alternate;		/* alternate flag */
+
+	usb_device_status_t status;	/* device status */
+
+	int urbs_queued;	/* number of submitted urbs */
+
+	/* Shouldn't need to make this atomic, all we need is a change indicator */
+	unsigned long usbd_rxtx_timestamp;
+	unsigned long usbd_last_rxtx_timestamp;
+
+};
+
+/* Bus Interface configuration structure
+ *
+ * This is allocated for each configured instance of a bus interface driver.
+ *
+ * The privdata pointer may be used by the bus interface driver to store private
+ * per instance state information.
+ */
+struct usb_bus_instance {
+
+	struct usb_device_instance *device;
+	struct usb_endpoint_instance *endpoint_array;	/* array of available configured endpoints */
+
+	int max_endpoints;	/* maximimum number of rx enpoints */
+	unsigned char			maxpacketsize;
+
+	unsigned int serial_number;
+	char *serial_number_str;
+	void *privdata;		/* private data for the bus interface */
+
+};
+
+extern char *usbd_device_events[];
+extern char *usbd_device_states[];
+extern char *usbd_device_status[];
+extern char *usbd_device_requests[];
+extern char *usbd_device_descriptors[];
+
+void urb_link_init (urb_link * ul);
+void urb_detach (struct urb *urb);
+urb_link *first_urb_link (urb_link * hd);
+struct urb *first_urb (urb_link * hd);
+struct urb *first_urb_detached (urb_link * hd);
+void urb_append (urb_link * hd, struct urb *urb);
+
+struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint);
+void	    usbd_dealloc_urb (struct urb *urb);
+
+/*
+ * usbd_device_event is used by bus interface drivers to tell the higher layers that
+ * certain events have taken place.
+ */
+void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int);
+void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int);
+
+/* descriptors
+ *
+ * Various ways of finding descriptors based on the current device and any
+ * possible configuration / interface / endpoint for it.
+ */
+struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int);
+struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int);
+struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int);
+struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int);
+struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int);
+struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
+struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
+struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int );
+struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int);
+int				usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int);
+struct usb_string_descriptor *usbd_get_string (u8);
+struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *, int);
+
+int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint);
+void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad);
+void usbd_tx_complete (struct usb_endpoint_instance *endpoint);
+
+#endif