1 /*
2 * EISA bus device definitions
3 *
4 * Copyright (c) 1995, 1996 Justin T. Gibbs.
5 * All rights reserved.
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 immediately at the beginning of the file, without modification,
12 * this list of conditions, and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34 #ifndef _I386_EISA_EISACONF_H_
35 #define _I386_EISA_EISACONF_H_ 1
36
37 #define EISA_SLOT_SIZE 0x1000
38
39 #define EISA_MFCTR_CHAR0(ID) (char)(((ID>>26) & 0x1F) | '@') /* Bits 26-30 */
40 #define EISA_MFCTR_CHAR1(ID) (char)(((ID>>21) & 0x1F) | '@') /* Bits 21-25 */
41 #define EISA_MFCTR_CHAR2(ID) (char)(((ID>>16) & 0x1F) | '@') /* Bits 16-20 */
42 #define EISA_MFCTR_ID(ID) (short)((ID>>16) & 0xFF) /* Bits 16-31 */
43 #define EISA_PRODUCT_ID(ID) (short)((ID>>4) & 0xFFF) /* Bits 4-15 */
44 #define EISA_REVISION_ID(ID) (u_char)(ID & 0x0F) /* Bits 0-3 */
45
46 extern int num_eisa_slots;
47
48 typedef u_int32_t eisa_id_t;
49
50 enum eisa_device_ivars {
51 EISA_IVAR_SLOT,
52 EISA_IVAR_ID,
53 EISA_IVAR_IRQ
54 };
55
56 #define EISA_TRIGGER_EDGE 0x0
57 #define EISA_TRIGGER_LEVEL 0x1
58
59 /*
60 * Simplified accessors for isa devices
61 */
62 #define EISA_ACCESSOR(A, B, T) \
63 \
64 static __inline T eisa_get_ ## A(device_t dev) \
65 { \
66 uintptr_t v; \
67 BUS_READ_IVAR(device_get_parent(dev), dev, EISA_IVAR_ ## B, &v); \
68 return (T) v; \
69 } \
70 \
71 static __inline void eisa_set_ ## A(device_t dev, T t) \
72 { \
73 u_long v = (u_long) t; \
74 BUS_WRITE_IVAR(device_get_parent(dev), dev, EISA_IVAR_ ## B, v); \
75 }
76
77 EISA_ACCESSOR(slot, SLOT, int)
78 EISA_ACCESSOR(id, ID, eisa_id_t)
79 EISA_ACCESSOR(irq, IRQ, eisa_id_t)
80
81 int eisa_add_intr __P((device_t, int, int));
82
83 #define RESVADDR_NONE 0x00
84 #define RESVADDR_BITMASK 0x01 /* size is a mask of reserved
85 * bits at addr
86 */
87 #define RESVADDR_RELOCATABLE 0x02
88 int eisa_add_iospace __P((device_t, u_long, u_long, int));
89 int eisa_add_mspace __P((device_t, u_long, u_long, int));
90
91 #endif /* _I386_EISA_EISACONF_H_ */
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