xref: /freebsd/sys/dev/cardbus/cardbusvar.h (revision 4e8d558c)
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  * $FreeBSD$
29  */
30 
31 /*
32  * Structure definitions for the Cardbus Bus driver
33  */
34 
35 /*
36  * Static copy of the CIS buffer.  Technically, you aren't supposed
37  * to do this.  In practice, however, it works well.
38  */
39 struct cis_buffer
40 {
41 	size_t	len;			/* Actual length of the CIS */
42 	uint8_t buffer[2040];		/* small enough to be 2k */
43 };
44 
45 /*
46  * Per child information for the PCI device.  Cardbus layers on some
47  * additional data.
48  */
49 struct cardbus_devinfo
50 {
51 	struct pci_devinfo pci;
52 	uint8_t        mprefetchable; /* bit mask of prefetchable BARs */
53 	uint8_t        mbelow1mb; /* bit mask of BARs which require below 1Mb */
54 	uint16_t	mfrid;		/* manufacturer id */
55 	uint16_t	prodid;		/* product id */
56 	u_int		funcid;		/* function id */
57 	union {
58 		struct {
59 			uint8_t	nid[6];		/* MAC address */
60 		} lan;
61 	} funce;
62 	uint32_t	fepresent;	/* bit mask of funce values present */
63 	struct cdev 	*sc_cisdev;
64 	struct cis_buffer sc_cis;
65 };
66 
67 /*
68  * Per cardbus soft info.  Not sure why we even keep this around...
69  */
70 struct cardbus_softc
71 {
72 	device_t	sc_dev;
73 #ifdef PCI_RES_BUS
74 	struct resource *sc_bus;
75 #endif
76 };
77 
78 /*
79  * Per node callback structures.
80  */
81 struct tuple_callbacks;
82 typedef int (tuple_cb) (device_t cbdev, device_t child, int id, int len,
83 		 uint8_t *tupledata, uint32_t start, uint32_t *off,
84 		 struct tuple_callbacks *info, void *);
85 struct tuple_callbacks {
86 	int	id;
87 	char	*name;
88 	tuple_cb *func;
89 };
90 
91 int	cardbus_device_create(struct cardbus_softc *sc,
92 	    struct cardbus_devinfo *devi, device_t parent, device_t child);
93 int	cardbus_device_destroy(struct cardbus_devinfo *devi);
94 int	cardbus_parse_cis(device_t cbdev, device_t child,
95 	    struct tuple_callbacks *callbacks, void *);
96