xref: /freebsd/sys/dev/bhnd/cores/pcie2/bhnd_pcie2b.c (revision 685dc743dc3b5645e34836464128e1c0558b404b)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2015 Landon Fuller <landon@landonf.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15  *    redistribution must be conditioned upon including a substantially
16  *    similar Disclaimer requirement for further binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24  * OR 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
27  * IN 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
29  * THE POSSIBILITY OF SUCH DAMAGES.
30  */
31 
32 #include <sys/cdefs.h>
33 /*
34  * Broadcom PCI/PCIe-Gen1 Host-PCI bridge.
35  *
36  * This driver handles all interactions with PCI bridge cores operating in
37  * root complex mode.
38  */
39 
40 #include <sys/param.h>
41 #include <sys/kernel.h>
42 #include <sys/bus.h>
43 #include <sys/module.h>
44 
45 #include <machine/bus.h>
46 #include <sys/rman.h>
47 #include <machine/resource.h>
48 
49 #include <dev/bhnd/bhnd.h>
50 
51 #include "bhnd_pcie2_reg.h"
52 #include "bhnd_pcie2b_var.h"
53 
54 static int
bhnd_pcie2b_attach(device_t dev)55 bhnd_pcie2b_attach(device_t dev)
56 {
57 	// TODO
58 	return (bhnd_pcie2_generic_attach(dev));
59 }
60 
61 static int
bhnd_pcie2b_detach(device_t dev)62 bhnd_pcie2b_detach(device_t dev)
63 {
64 	// TODO
65 	return (bhnd_pcie2_generic_detach(dev));
66 }
67 
68 static int
bhnd_pcie2b_suspend(device_t dev)69 bhnd_pcie2b_suspend(device_t dev)
70 {
71 	return (bhnd_pcie2_generic_suspend(dev));
72 }
73 
74 static int
bhnd_pcie2b_resume(device_t dev)75 bhnd_pcie2b_resume(device_t dev)
76 {
77 	return (bhnd_pcie2_generic_resume(dev));
78 }
79 
80 static device_method_t bhnd_pcie2b_methods[] = {
81 	/* Device interface */
82 	DEVMETHOD(device_attach,	bhnd_pcie2b_attach),
83 	DEVMETHOD(device_detach,	bhnd_pcie2b_detach),
84 	DEVMETHOD(device_suspend,	bhnd_pcie2b_suspend),
85 	DEVMETHOD(device_resume,	bhnd_pcie2b_resume),
86 	DEVMETHOD_END
87 };
88 
89 DEFINE_CLASS_1(pcib, bhnd_pcie2b_driver, bhnd_pcie2b_methods,
90     sizeof(struct bhnd_pcie2b_softc), bhnd_pcie2_driver);
91 
92 DRIVER_MODULE(bhnd_pcie2b, bhnd, bhnd_pcie2b_driver, 0, 0);
93 
94 MODULE_VERSION(bhnd_pcie2b, 1);
95 MODULE_DEPEND(bhnd_pcie2b, bhnd, 1, 1, 1);
96 MODULE_DEPEND(bhnd_pcie2b, bhnd_pcie2, 1, 1, 1);
97 MODULE_DEPEND(bhnd_pcie2b, pci, 1, 1, 1);
98