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generated by cgit (git 2.34.1) at 2026-03-28 21:08:41 +0000
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/*
 * (C) Copyright 2001
 * Denis Peter, MPL AG Switzerland
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 * Note: Part of this code has been derived from linux
 *
 */
#ifndef _USB_H_
#define _USB_H_

#include <usb_defs.h>

/* Everything is aribtrary */
#define USB_ALTSETTINGALLOC		4
#define USB_MAXALTSETTING		128	/* Hard limit */

#define USB_MAX_DEVICE			32
#define USB_MAXCONFIG			8
#define USB_MAXINTERFACES		8
#define USB_MAXENDPOINTS		16
#define USB_MAXCHILDREN			8	/* This is arbitrary */
#define USB_MAX_HUB			16

#define USB_CNTL_TIMEOUT 100 /* 100ms timeout */

/* String descriptor */
struct usb_string_descriptor {
	unsigned char  bLength;
	unsigned char  bDescriptorType;
	unsigned short wData[1];
} __attribute__ ((packed));

/* device request (setup) */
struct devrequest {
	unsigned char requesttype;
	unsigned char request;
	unsigned short value;
	unsigned short index;
	unsigned short length;
} __attribute__ ((packed));


/* All standard descriptors have these 2 fields in common */
struct usb_descriptor_header {
	unsigned char  bLength;
	unsigned char  bDescriptorType;
} __attribute__ ((packed));

/* Device descriptor */
struct usb_device_descriptor {
	unsigned char  bLength;
	unsigned char  bDescriptorType;
	unsigned short bcdUSB;
	unsigned char  bDeviceClass;
	unsigned char  bDeviceSubClass;
	unsigned char  bDeviceProtocol;
	unsigned char  bMaxPacketSize0;
	unsigned short idVendor;
	unsigned short idProduct;
	unsigned short bcdDevice;
	unsigned char  iManufacturer;
	unsigned char  iProduct;
	unsigned char  iSerialNumber;
	unsigned char  bNumConfigurations;
} __attribute__ ((packed));


/* Endpoint descriptor */
struct usb_endpoint_descriptor {
	unsigned char  bLength;
	unsigned char  bDescriptorType;
	unsigned char  bEndpointAddress;
	unsigned char  bmAttributes;
	unsigned short wMaxPacketSize;
	unsigned char  bInterval;
	unsigned char  bRefresh;
	unsigned char  bSynchAddress;

} __attribute__ ((packed));
/* Interface descriptor */
struct usb_interface_descriptor {
	unsigned char  bLength;
	unsigned char  bDescriptorType;
	unsigned char  bInterfaceNumber;
	unsigned char  bAlternateSetting;
	unsigned char  bNumEndpoints;
	unsigned char  bInterfaceClass;
	unsigned char  bInterfaceSubClass;
	unsigned char  bInterfaceProtocol;
	unsigned char  iInterface;

	unsigned char  no_of_ep;
	unsigned char  num_altsetting;
	unsigned char  act_altsetting;
	struct usb_endpoint_descriptor ep_desc[USB_MAXENDPOINTS];
} __attribute__ ((packed));


/* Configuration descriptor information.. */
struct usb_config_descriptor {
	unsigned char  bLength;
	unsigned char  bDescriptorType;
	unsigned short wTotalLength;
	unsigned char  bNumInterfaces;
	unsigned char  bConfigurationValue;
	unsigned char  iConfiguration;
	unsigned char  bmAttributes;
	unsigned char  MaxPower;

	unsigned char  no_of_if;		/* number of interfaces */
	struct usb_interface_descriptor if_desc[USB_MAXINTERFACES];
} __attribute__ ((packed));


struct usb_device {
	int devnum;			/* Device number on USB bus */
	int slow;			/* Slow device? */
	char mf[32];			/* manufacturer */
	char prod[32];			/* product */
	char serial[32];		/* serial number */

	int maxpacketsize;		/* Maximum packet size; encoded as 0,1,2,3 = 8,16,32,64 */
	unsigned int toggle[2];		/* one bit for each endpoint ([0] = IN, [1] = OUT) */
	unsigned int halted[2];		/* endpoint halts; one bit per endpoint # & direction; */
			    /* [0] = IN, [1] = OUT */
	int epmaxpacketin[16];		/* INput endpoint specific maximums */
	int epmaxpacketout[16];		/* OUTput endpoint specific maximums */

	int configno;			/* selected config number */
	struct usb_device_descriptor descriptor; /* Device Descriptor */
	struct usb_config_descriptor config; /* config descriptor */

	int have_langid;		/* whether string_langid is valid yet */
	int string_langid;		/* language ID for strings */
	int (*irq_handle)(struct usb_device *dev);
	unsigned long irq_status;
	int irq_act_len;		/* transfered bytes */
	void *privptr;
	/*