usb.h

PXA250上的XBOOT

/* 
 * $Id: usb.h,v 1.1 2002/12/05 22:20:38 telka Exp $
 *
 * Copyright (C) 2001, 2002 ETC s.r.o.
 *
 * 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.
 *
 * Written by Marcel Telka <[e-mail]>, 2001, 2002.
 *
 */

#ifndef	_USB_H_
#define	_USB_H_

#include <pshpack1.h>
struct usb_dev_req {
	char m_request;
	char request;
	char value_lo;
	char value_hi;
	short index;
	short length;
};

struct usb_dev_desc {
	char length;
	char desc_type;
	short usb;
	char device_class;
	char device_subclass;
	char device_protocol;
	char max_packet_size0;
	short id_vendor;
	short id_product;
	short device;
	char manufacturer;
	char product;
	char serial_number;
	char num_configs;
};

struct usb_conf_desc_conf {
	char length;
	char desc_type;
	short total_length;
	char num_ifaces;
	char config_val;
	char config;
	char attr;
	char maxpower;
};

struct usb_conf_desc_iface {
	char length;
	char descriptortype;
	char iface_num;
	char alternatesetting;
	char num_endpoints;
	char class;
	char subclass;
	char protocol;
	char iface;
};

struct usb_conf_desc_endp {
	char length;
	char desc_type;
	char endp_addr;
	char attr;
	short max_packet_size;
	char interval;
};

struct usb_conf_desc {
	struct usb_conf_desc_conf conf;
	struct usb_conf_desc_iface iface;
	struct usb_conf_desc_endp ep1;
	struct usb_conf_desc_endp ep2;
};
#include <poppack.h>

/* UDCCR flags */
#define	UDD	(1 << 0)
#define	UDA	(1 << 1)
#define	RESIM	(1 << 2)
#define	EIM	(1 << 3)
#define	RIM	(1 << 4)
#define	TIM	(1 << 5)
#define	SUSIM	(1 << 6)

/* UDCSR flags */
#define	EIR	(1 << 0)
#define	RIR	(1 << 1)
#define	TIR	(1 << 2)
#define	SUSIR	(1 << 3)
#define	RESIR	(1 << 4)
#define	RSTIR	(1 << 5)

/* UDCCS0 flags */
#define	OPR	(1 << 0)
#define	IPR	(1 << 1)
#define	SST	(1 << 2)
#define	FST	(1 << 3)
#define	DE	(1 << 4)
#define	SE	(1 << 5)
#define	SO	(1 << 6)
#define	SSE	(1 << 7)

/* UDCCS1 flags */
#define	RPC	(1 << 1)
#define	RNE	(1 << 5)

/* UDCCS2 flags */
#define	TPC	(1 << 1)

/* macros */
#define CLEAR_OPR(UDCCS)	while (UDCCS & OPR) UDCCS = SO;
#define	CLEAR_OPR_DE(UDCCS)	{ \
					unsigned int udccs = UDCCS; \
					while (((udccs = UDCCS) & OPR) | !(udccs & DE)) \
						UDCCS = DE | SO; \
				}
#define	SET_IPR(UDCCS)		while (!(UDCCS & IPR)) UDCCS = IPR;

#endif /* _USB_H_ */