xref: /netbsd-src/sys/arch/arm/acpi/acpi_pci_machdep.h (revision 12a41c4dcffaa7a86e16da1edfdf2f5a3196bec2)
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@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