xref: /src/sys/dev/cardbus/cardbus_exrom.h

/* $NetBSD: cardbus_exrom.h,v 1.3 2004/10/10 21:58:46 enami Exp $ */

/*
 * Copyright (c) 1999 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to
 * The NetBSD Foundation by Johan Danielsson.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _DEV_CARDBUS_CARDBUS_EXROM_H_
#define _DEV_CARDBUS_CARDBUS_EXROM_H_

/* PCI ROM header fields */
#define CARDBUS_EXROM_SIGNATURE	0x00
#define CARDBUS_EXROM_DATA_PTR	0x18

/* PCI ROM data structure fields */
#define CARDBUS_EXROM_DATA_SIGNATURE	0x00 /* Signature ("PCIR") */
#define CARDBUS_EXROM_DATA_VENDOR_ID	0x04 /* Vendor Identification */
#define CARDBUS_EXROM_DATA_DEVICE_ID	0x06 /* Device Identification */
#define CARDBUS_EXROM_DATA_LENGTH	0x0a /* PCI Data Structure Length */
#define CARDBUS_EXROM_DATA_REV		0x0c /* PCI Data Structure Revision */
#define CARDBUS_EXROM_DATA_CLASS_CODE	0x0d /* Class Code */
#define CARDBUS_EXROM_DATA_IMAGE_LENGTH	0x10 /* Image Length */
#define CARDBUS_EXROM_DATA_DATA_REV	0x12 /* Revision Level of Code/Data */
#define CARDBUS_EXROM_DATA_CODE_TYPE	0x14 /* Code Type */
#define CARDBUS_EXROM_DATA_INDICATOR	0x15 /* Indicator */


struct cardbus_rom_image {
	unsigned int		rom_image;	/* image number */
	size_t			image_size;
	bus_space_tag_t		romt;
	bus_space_handle_t	romh;		/* subregion */
	SIMPLEQ_ENTRY(cardbus_rom_image) next;
};

SIMPLEQ_HEAD(cardbus_rom_image_head, cardbus_rom_image);

int
cardbus_read_exrom(bus_space_tag_t, bus_space_handle_t,
    struct cardbus_rom_image_head *);

#endif /* !_DEV_CARDBUS_CARDBUS_EXROM_H_ */