xref: /freebsd/sys/dev/cardbus/cardbusvar.h (revision e1d442a6db14adcfc11fc204225037da4332dd21)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2000,2001 Jonathan Chen. All rights reserved.
5  * Copyright (c) 2008 M. Warner Losh <imp@FreeBSD.org>
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  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*
30  * Structure definitions for the Cardbus Bus driver
31  */
32 
33 /*
34  * Static copy of the CIS buffer.  Technically, you aren't supposed
35  * to do this.  In practice, however, it works well.
36  */
37 struct cis_buffer
38 {
39 	size_t	len;			/* Actual length of the CIS */
40 	uint8_t buffer[2040];		/* small enough to be 2k */
41 };
42 
43 /*
44  * Per child information for the PCI device.  Cardbus layers on some
45  * additional data.
46  */
47 struct cardbus_devinfo
48 {
49 	struct pci_devinfo pci;
50 	uint8_t        mprefetchable; /* bit mask of prefetchable BARs */
51 	uint8_t        mbelow1mb; /* bit mask of BARs which require below 1Mb */
52 	uint16_t	mfrid;		/* manufacturer id */
53 	uint16_t	prodid;		/* product id */
54 	u_int		funcid;		/* function id */
55 	union {
56 		struct {
57 			uint8_t	nid[6];		/* MAC address */
58 		} lan;
59 	} funce;
60 	uint32_t	fepresent;	/* bit mask of funce values present */
61 	struct cdev 	*sc_cisdev;
62 	struct cis_buffer sc_cis;
63 };
64 
65 /*
66  * Per cardbus soft info.  Not sure why we even keep this around...
67  */
68 struct cardbus_softc
69 {
70 	device_t	sc_dev;
71 	struct resource *sc_bus;
72 };
73 
74 /*
75  * Per node callback structures.
76  */
77 struct tuple_callbacks;
78 typedef int (tuple_cb) (device_t cbdev, device_t child, int id, int len,
79 		 uint8_t *tupledata, uint32_t start, uint32_t *off,
80 		 struct tuple_callbacks *info, void *);
81 struct tuple_callbacks {
82 	int	id;
83 	char	*name;
84 	tuple_cb *func;
85 };
86 
87 int	cardbus_device_create(struct cardbus_softc *sc,
88 	    struct cardbus_devinfo *devi, device_t parent, device_t child);
89 int	cardbus_device_destroy(struct cardbus_devinfo *devi);
90 int	cardbus_parse_cis(device_t cbdev, device_t child,
91 	    struct tuple_callbacks *callbacks, void *);
92