xref: /freebsd/sys/dev/pci/pci_host_generic.h (revision aab9fdaf6ffbdeb0335883596fc7aedae1412794)
1fb05500bSWojciech Macek /*
2fb05500bSWojciech Macek  * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
3fb05500bSWojciech Macek  * Copyright (c) 2015 The FreeBSD Foundation
4fb05500bSWojciech Macek  * All rights reserved.
5fb05500bSWojciech Macek  *
6fb05500bSWojciech Macek  * This software was developed by Semihalf.
7fb05500bSWojciech Macek  *
8fb05500bSWojciech Macek  * Redistribution and use in source and binary forms, with or without
9fb05500bSWojciech Macek  * modification, are permitted provided that the following conditions
10fb05500bSWojciech Macek  * are met:
11fb05500bSWojciech Macek  * 1. Redistributions of source code must retain the above copyright
12fb05500bSWojciech Macek  *    notice, this list of conditions and the following disclaimer.
13fb05500bSWojciech Macek  * 2. Redistributions in binary form must reproduce the above copyright
14fb05500bSWojciech Macek  *    notice, this list of conditions and the following disclaimer in the
15fb05500bSWojciech Macek  *    documentation and/or other materials provided with the distribution.
16fb05500bSWojciech Macek  *
17fb05500bSWojciech Macek  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18fb05500bSWojciech Macek  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19fb05500bSWojciech Macek  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20fb05500bSWojciech Macek  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21fb05500bSWojciech Macek  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22fb05500bSWojciech Macek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23fb05500bSWojciech Macek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24fb05500bSWojciech Macek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25fb05500bSWojciech Macek  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26fb05500bSWojciech Macek  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27fb05500bSWojciech Macek  * SUCH DAMAGE.
28fb05500bSWojciech Macek  *
29fb05500bSWojciech Macek  *
30fb05500bSWojciech Macek  * $FreeBSD$
31fb05500bSWojciech Macek  *
32fb05500bSWojciech Macek  */
33fb05500bSWojciech Macek 
34fb05500bSWojciech Macek #ifndef __PCI_HOST_GENERIC_H_
35fb05500bSWojciech Macek #define	__PCI_HOST_GENERIC_H_
36fb05500bSWojciech Macek 
37*aab9fdafSWojciech Macek #include "pci_if.h"
38*aab9fdafSWojciech Macek 
39fb05500bSWojciech Macek #define	MAX_RANGES_TUPLES	16
40fb05500bSWojciech Macek #define	MIN_RANGES_TUPLES	2
41fb05500bSWojciech Macek 
42fb05500bSWojciech Macek struct pcie_range {
43fb05500bSWojciech Macek 	uint64_t	pci_base;
44fb05500bSWojciech Macek 	uint64_t	phys_base;
45fb05500bSWojciech Macek 	uint64_t	size;
46fb05500bSWojciech Macek 	uint64_t	flags;
47fb05500bSWojciech Macek #define	FLAG_IO		(1 << 0)
48fb05500bSWojciech Macek #define	FLAG_MEM	(1 << 1)
49fb05500bSWojciech Macek };
50fb05500bSWojciech Macek 
51fb05500bSWojciech Macek struct generic_pcie_softc {
52fb05500bSWojciech Macek 	struct pcie_range	ranges[MAX_RANGES_TUPLES];
53fb05500bSWojciech Macek 	int			nranges;
542760c2caSAndrew Turner 	int			coherent;
55fb05500bSWojciech Macek 	struct rman		mem_rman;
56fb05500bSWojciech Macek 	struct rman		io_rman;
57fb05500bSWojciech Macek 	struct resource		*res;
58fb05500bSWojciech Macek 	struct resource		*res1;
59fb05500bSWojciech Macek 	int			ecam;
60fb05500bSWojciech Macek 	bus_space_tag_t		bst;
61fb05500bSWojciech Macek 	bus_space_handle_t	bsh;
62fb05500bSWojciech Macek 	device_t		dev;
63fb05500bSWojciech Macek 	bus_space_handle_t	ioh;
642760c2caSAndrew Turner 	bus_dma_tag_t		dmat;
65fb05500bSWojciech Macek #ifdef FDT
66fb05500bSWojciech Macek 	struct ofw_bus_iinfo	pci_iinfo;
67fb05500bSWojciech Macek #endif
68fb05500bSWojciech Macek };
69fb05500bSWojciech Macek 
70fb05500bSWojciech Macek extern devclass_t generic_pcie_devclass;
71fb05500bSWojciech Macek DECLARE_CLASS(generic_pcie_driver);
72fb05500bSWojciech Macek 
732445e7c8SWojciech Macek struct resource *pci_host_generic_alloc_resource(device_t,
742445e7c8SWojciech Macek     device_t, int, int *, rman_res_t, rman_res_t, rman_res_t, u_int);
75fb05500bSWojciech Macek int pci_host_generic_attach(device_t);
761e43b18cSAndrew Turner int generic_pcie_get_id(device_t, device_t, enum pci_id_type, uintptr_t *);
77fb05500bSWojciech Macek 
78fb05500bSWojciech Macek #endif /* __PCI_HOST_GENERIC_H_ */
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