/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_PCI_PCI_COMMON_H
#define	_PCI_PCI_COMMON_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#ifdef	__cplusplus
extern "C" {
#endif

/*
 *	Common header file with definitions shared between
 *	pci(7d) and npe(7d)
 */

/* State structure. */
typedef struct pci_state {
	dev_info_t *pci_dip;
} pci_state_t;

/* AMD's northbridges vendor-id and device-ids */
#define	AMD_NTBRDIGE_VID		0x1022	/* AMD vendor-id */
#define	AMD_HT_NTBRIDGE_DID		0x1100	/* HT Configuration */
#define	AMD_AM_NTBRIDGE_DID		0x1101	/* Address Map */
#define	AMD_DC_NTBRIDGE_DID		0x1102	/* DRAM Controller */
#define	AMD_MC_NTBRIDGE_DID		0x1103	/* Misc Controller */

/*
 * Check if the given device is an AMD northbridge
 */
#define	IS_AMD_NTBRIDGE(vid, did) \
	    (((vid) == AMD_NTBRDIGE_VID) && \
	    (((did) == AMD_HT_NTBRIDGE_DID) || \
	    ((did) == AMD_AM_NTBRIDGE_DID) || \
	    ((did) == AMD_DC_NTBRIDGE_DID) || \
	    ((did) == AMD_MC_NTBRIDGE_DID)))

/*
 * Check if the give device is a PCI northbridge
 */
int		is_amd_northbridge(dev_info_t *dip);

/*
 * These are the access routines.
 * The pci_bus_map sets the handle to point to these in pci(7d).
 * The npe_bus_map sets the handle to point to these in npe(7d).
 */
uint8_t		pci_config_rd8(ddi_acc_impl_t *hdlp, uint8_t *addr);
uint16_t	pci_config_rd16(ddi_acc_impl_t *hdlp, uint16_t *addr);
uint32_t	pci_config_rd32(ddi_acc_impl_t *hdlp, uint32_t *addr);
uint64_t	pci_config_rd64(ddi_acc_impl_t *hdlp, uint64_t *addr);

void		pci_config_wr8(ddi_acc_impl_t *hdlp, uint8_t *addr,
		    uint8_t value);
void		pci_config_wr16(ddi_acc_impl_t *hdlp, uint16_t *addr,
		    uint16_t value);
void		pci_config_wr32(ddi_acc_impl_t *hdlp, uint32_t *addr,
		    uint32_t value);
void		pci_config_wr64(ddi_acc_impl_t *hdlp, uint64_t *addr,
		    uint64_t value);

void		pci_config_rep_rd8(ddi_acc_impl_t *hdlp, uint8_t *host_addr,
		    uint8_t *dev_addr, size_t repcount, uint_t flags);
void		pci_config_rep_rd16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
		    uint16_t *dev_addr, size_t repcount, uint_t flags);
void		pci_config_rep_rd32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
		    uint32_t *dev_addr, size_t repcount, uint_t flags);
void		pci_config_rep_rd64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
		    uint64_t *dev_addr, size_t repcount, uint_t flags);

void		pci_config_rep_wr8(ddi_acc_impl_t *hdlp, uint8_t *host_addr,
		    uint8_t *dev_addr, size_t repcount, uint_t flags);
void		pci_config_rep_wr16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
		    uint16_t *dev_addr, size_t repcount, uint_t flags);
void		pci_config_rep_wr32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
		    uint32_t *dev_addr, size_t repcount, uint_t flags);
void		pci_config_rep_wr64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
		    uint64_t *dev_addr, size_t repcount, uint_t flags);

/*
 * PCI tool related declarations
 */
int	pci_common_ioctl(dev_info_t *dip, dev_t dev, int cmd,
	    intptr_t arg, int mode, cred_t *credp, int *rvalp);

/*
 * Interrupt related declaration
 */
int	pci_common_intr_ops(dev_info_t *, dev_info_t *, ddi_intr_op_t,
	    ddi_intr_handle_impl_t *, void *);
void	pci_common_set_parent_private_data(dev_info_t *);

/*
 * Miscellaneous library functions
 */
int	pci_common_get_reg_prop(dev_info_t *dip, pci_regspec_t *pci_rp);
int	pci_common_name_child(dev_info_t *child, char *name, int namelen);

#ifdef	__cplusplus
}
#endif

#endif	/* _PCI_PCI_COMMON_H */