freebsd-dev/sys/dev/ofw/ofwpci.h
Marcin Wojtas 240429103c Rename ofwpci.c to ofw_pcib.c
It's a class0 driver that implements some pcib methods and creates
a pci bus as its children.
The "ofw_pci" name will be used by a new driver that will be a subclass
of the pci bus.
No functional changes intended.

Submitted by: Kornel Duleba <mindal@semihalf.com>
Reviewed by: andrew
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30226
2021-05-20 11:22:25 +02:00

88 lines
2.5 KiB
C

/*-
* Copyright (c) 2011 Nathan Whitehorn
* 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 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _DEV_OFW_OFWPCI_H_
#define _DEV_OFW_OFWPCI_H_
/*
* Export class definition for inheritance purposes
*/
DECLARE_CLASS(ofw_pcib_driver);
struct ofw_pci_cell_info {
pcell_t host_address_cells;
pcell_t pci_address_cell;
pcell_t size_cells;
};
struct ofw_pci_range {
uint32_t pci_hi;
uint64_t pci;
uint64_t host;
uint64_t size;
};
/*
* Quirks for some adapters
*/
enum {
OFW_PCI_QUIRK_RANGES_ON_CHILDREN = 1,
};
struct ofw_pci_softc {
device_t sc_dev;
phandle_t sc_node;
int sc_bus;
int sc_initialized;
int sc_quirks;
int sc_have_pmem;
struct ofw_pci_range *sc_range;
int sc_nrange;
uint64_t sc_range_mask;
struct ofw_pci_cell_info *sc_cell_info;
struct rman sc_io_rman;
struct rman sc_mem_rman;
struct rman sc_pmem_rman;
bus_space_tag_t sc_memt;
bus_dma_tag_t sc_dmat;
int sc_pci_domain;
struct ofw_bus_iinfo sc_pci_iinfo;
};
int ofw_pcib_init(device_t);
int ofw_pcib_attach(device_t);
int ofw_pcib_read_ivar(device_t, device_t, int, uintptr_t *);
int ofw_pcib_write_ivar(device_t, device_t, int, uintptr_t);
int ofw_pcib_route_interrupt(device_t, device_t, int);
int ofw_pcib_nranges(phandle_t, struct ofw_pci_cell_info *);
#endif /* _DEV_OFW_OFWPCI_H_ */