xref: /freebsd/sys/powerpc/powermac/maciovar.h (revision 4b2eaea43fec8e8792be611dea204071a10b655a)
1 /*
2  * Copyright 2002 by Peter Grehan. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23  * 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 #ifndef _MACIO_MACIOVAR_H_
31 #define _MACIO_MACIOVAR_H_
32 
33 /*
34  * Accessors for macio devices
35  */
36 
37 enum macio_ivars {
38         MACIO_IVAR_NODE,
39         MACIO_IVAR_NAME,
40 	MACIO_IVAR_DEVTYPE,
41         MACIO_IVAR_NREGS,
42         MACIO_IVAR_REGS,
43 };
44 
45 #define MACIO_ACCESSOR(var, ivar, type)                                 \
46         __BUS_ACCESSOR(macio, var, MACIO, ivar, type)
47 
48 MACIO_ACCESSOR(node,            NODE,                   phandle_t)
49 MACIO_ACCESSOR(name,            NAME,                   char *)
50 MACIO_ACCESSOR(devtype,         DEVTYPE,                char *)
51 MACIO_ACCESSOR(nregs,           NREGS,                  u_int)
52 MACIO_ACCESSOR(regs,            REGS,                   u_int *)
53 
54 #undef MACIO_ACCESSOR
55 
56 /*
57  * Upper limit on OpenFirmware reg array
58  */
59 #define MACIO_MAXREG  16
60 
61 /*
62  * The addr space size
63  * XXX it would be better if this could be determined by querying the
64  *     PCI device, but there isn't an access method for this
65  */
66 #define MACIO_REG_SIZE  0x7ffff
67 
68 /*
69  * Macio softc
70  */
71 struct macio_softc {
72 	phandle_t    sc_node;
73 	vm_offset_t  sc_base;
74 	vm_offset_t  sc_size;
75 	struct rman  sc_mem_rman;
76 };
77 
78 /*
79  * Per macio device structure.
80  */
81 struct macio_devinfo {
82 	phandle_t  mdi_node;
83 	char      *mdi_name;
84 	char      *mdi_device_type;
85 	int        mdi_interrupts[5];
86 	int	   mdi_ninterrupts;
87 	int        mdi_base;
88 	int        mdi_nregs;
89 	u_int      mdi_reg[MACIO_MAXREG];
90 	struct resource_list mdi_resources;
91 };
92 
93 #endif /* _MACIO_MACIOVAR_H_ */
94