xref: /freebsd/sys/dev/cardbus/cardbusvar.h (revision b85e1f7d05ac7889868f2364474e02b6a024af25)
1 /*-
2  * Copyright (c) 2008, M. Warner Losh
3  * Copyright (c) 2000,2001 Jonathan Chen.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 /*
31  * Structure definitions for the Cardbus Bus driver
32  */
33 
34 /*
35  * Static copy of the CIS buffer.  Technically, you aren't supposed
36  * to do this.  In practice, however, it works well.
37  */
38 struct cis_buffer
39 {
40 	size_t	len;			/* Actual length of the CIS */
41 	uint8_t buffer[2040];		/* small enough to be 2k */
42 };
43 
44 /*
45  * Per child information for the PCI device.  Cardbus layers on some
46  * additional data.
47  */
48 struct cardbus_devinfo
49 {
50 	struct pci_devinfo pci;
51 	uint8_t        mprefetchable; /* bit mask of prefetchable BARs */
52 	uint8_t        mbelow1mb; /* bit mask of BARs which require below 1Mb */
53 	uint16_t	mfrid;		/* manufacturer id */
54 	uint16_t	prodid;		/* product id */
55 	u_int		funcid;		/* function id */
56 	union {
57 		struct {
58 			uint8_t	nid[6];		/* MAC address */
59 		} lan;
60 	} funce;
61 	uint32_t	fepresent;	/* bit mask of funce values present */
62 	struct cdev 	*sc_cisdev;
63 	struct cis_buffer sc_cis;
64 };
65 
66 /*
67  * Per cardbus soft info.  Not sure why we even keep this around...
68  */
69 struct cardbus_softc
70 {
71 	device_t	sc_dev;
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