/* $NetBSD: acpi_mcfg.h,v 1.5 2022/10/14 22:10:15 jmcneill Exp $ */
/*-
* Copyright (C) 2015 NONAKA Kimihiro <
[email protected]>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _SYS_DEV_ACPI_ACPI_MCFG_H
#define _SYS_DEV_ACPI_ACPI_MCFG_H
struct acpimcfg_ops;
void acpimcfg_probe(struct acpi_softc *);
int acpimcfg_init(bus_space_tag_t, const struct acpimcfg_ops *);
int acpimcfg_map_bus(device_t, pci_chipset_tag_t, int);
int acpimcfg_configure_bus(device_t, pci_chipset_tag_t, ACPI_HANDLE, int,
bool);
ACPI_STATUS acpimcfg_configure_bus_cb(ACPI_RESOURCE *, void *);
int acpimcfg_conf_read(pci_chipset_tag_t, pcitag_t, int, pcireg_t *);
int acpimcfg_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
bool acpimcfg_conf_valid(pci_chipset_tag_t, pcitag_t, int);
struct acpimcfg_ops {
/* validate MCFG memory region */
bool (*ao_validate)(uint64_t, int, int *);
/* override default bus_space(9) function */
uint32_t (*ao_read)(bus_space_tag_t, bus_space_handle_t,
bus_addr_t);
void (*ao_write)(bus_space_tag_t, bus_space_handle_t,
bus_addr_t, uint32_t);
};
#define ACPIMCFG_SIZE_PER_BUS (PCI_EXTCONF_SIZE * 32/*dev*/ * 8/*func*/)
bool acpimcfg_default_validate(uint64_t, int, int *);
uint32_t acpimcfg_default_read(bus_space_tag_t, bus_space_handle_t,
bus_addr_t);
void acpimcfg_default_write(bus_space_tag_t, bus_space_handle_t,
bus_addr_t, uint32_t);
#endif /* _SYS_DEV_ACPI_ACPI_PCI_H */
