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      1 /* $NetBSD: acpi_pci_machdep.h,v 1.8 2021/08/07 21:27:53 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jared McNeill <jmcneill (at) invisible.ca>.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _ARM_ACPI_PCI_MACHDEP_H
     33 #define _ARM_ACPI_PCI_MACHDEP_H
     34 
     35 extern struct arm32_pci_chipset arm_acpi_pci_chipset;
     36 
     37 struct acpi_pci_context {
     38 	struct arm32_pci_chipset ap_pc;
     39 	device_t ap_dev;
     40 	u_int ap_seg;
     41 	int ap_bus;
     42 	int ap_maxbus;
     43 	bus_space_tag_t ap_bst;
     44 	bus_space_handle_t ap_conf_bsh;
     45 	int (*ap_conf_read)(pci_chipset_tag_t, pcitag_t, int, pcireg_t *);
     46 	int (*ap_conf_write)(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
     47 	void *ap_conf_priv;
     48 	int ap_pciflags_clear;
     49 	u_int ap_flags;
     50 #define	ACPI_PCI_FLAG_NO_MCFG		__BIT(0)	/* ignore MCFG table */
     51 };
     52 
     53 struct acpi_pci_quirk {
     54 	const char			q_oemid[ACPI_OEM_ID_SIZE+1];
     55 	const char			q_oemtableid[ACPI_OEM_TABLE_ID_SIZE+1];
     56 	uint32_t			q_oemrevision;
     57 	int				q_segment;
     58 	void				(*q_init)(struct acpi_pci_context *);
     59 };
     60 
     61 const struct acpi_pci_quirk *	acpi_pci_md_find_quirk(int);
     62 
     63 void	acpi_pci_smccc_init(struct acpi_pci_context *);
     64 void	acpi_pci_graviton_init(struct acpi_pci_context *);
     65 void	acpi_pci_layerscape_gen4_init(struct acpi_pci_context *);
     66 void	acpi_pci_n1sdp_init(struct acpi_pci_context *);
     67 
     68 #endif /* !_ARM_ACPI_PCI_MACHDEP_H */
     69