xref: /netbsd/sys/dev/pci/pucvar.h (revision bf9ec67e)
1 /*	$NetBSD: pucvar.h,v 1.4 2001/01/03 15:13:15 bouyer Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 1999 Christopher G. Demetriou.  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  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Christopher G. Demetriou
17  *	for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Exported (or conveniently located) PCI "universal" communications card
35  * software structures.
36  *
37  * Author: Christopher G. Demetriou, May 14, 1998.
38  */
39 
40 #define	PUC_MAX_PORTS		8
41 
42 struct puc_device_description {
43 	const char		*name;
44 	pcireg_t		rval[4];
45 	pcireg_t		rmask[4];
46 	struct {
47 		int	type;
48 		int	bar;
49 		int	offset;
50 		int	flags;
51 	}			ports[PUC_MAX_PORTS];
52 };
53 
54 #define	PUC_REG_VEND		0
55 #define	PUC_REG_PROD		1
56 #define	PUC_REG_SVEND		2
57 #define	PUC_REG_SPROD		3
58 
59 #define	PUC_PORT_TYPE_NONE	0
60 #define	PUC_PORT_TYPE_COM	1
61 #define	PUC_PORT_TYPE_LPT	2
62 
63 #define	PUC_PORT_VALID(desc, port) \
64   ((port) < PUC_MAX_PORTS && (desc)->ports[(port)].type != PUC_PORT_TYPE_NONE)
65 #define PUC_PORT_BAR_INDEX(bar)	(((bar) - PCI_MAPREG_START) / 4)
66 
67 /* Flags for PUC_PORT_TYPE_COM */
68 /* * assume all clock rates have 8 lower bits to 0 - this leaves us 8 flags */
69 #define PUC_COM_CLOCKMASK 0xffffff00
70 
71 /* Flags for PUC_PORT_TYPE_LPT */
72 /* none currently */
73 
74 struct puc_attach_args {
75 	int			port;
76 	int			type;
77 	int			flags;
78 
79 	pci_chipset_tag_t	pc;
80 	pci_intr_handle_t	intrhandle;
81 
82 	bus_addr_t		a;
83 	bus_space_tag_t		t;
84 	bus_space_handle_t	h;
85 };
86 
87 extern const struct puc_device_description puc_devices[];
88 extern const struct puc_device_description *
89 	puc_find_description __P((pcireg_t, pcireg_t, pcireg_t, pcireg_t));
90