gold: Fix hardcoded library search path
[dragonfly.git] / sys / platform / pc32 / isa / ascreg.h
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1/* ascreg.h - port and bit definitions for the GI-1904 interface
2 *
3 * Copyright (c) 1995 Gunther Schadow. All rights reserved.
4 * Copyright (c) 1995 Luigi Rizzo. 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 Gunther Schadow.
17 * and Luigi Rizzo
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 * $FreeBSD: src/sys/i386/isa/ascreg.h,v 1.5 1999/08/28 00:44:37 peter Exp $
1de703da 35 * $DragonFly: src/sys/platform/pc32/isa/ascreg.h,v 1.2 2003/06/17 04:28:36 dillon Exp $
984263bc
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36 */
37
38 /*** Registers (base=3EB): ************/
39#define ASC_CFG (scu->base)
40 /*** ASC_CFG 3EB: configuration register. Write only, mirror in RAM
41 *** 7 6 5 4 3 2 1 0
42 *** - - I_5 I_3 I10 D_3 - D_1
43 ***/
44 /*** #define ASC_CNF_MASK 0x3D */ /* was 0x5a */
45#define ASC_CNF_DMA1 0x01 /* was (~0x02 & ASC_CNF_MASK) */
46#define ASC_CNF_DMA3 0x04 /* was (~0x08 & ASC_CNF_MASK) */
47#define ASC_CNF_IRQ3 0x10 /* was (~0x10 & ASC_CNF_MASK) */
48#define ASC_CNF_IRQ5 0x20 /* was (~0x40 & ASC_CNF_MASK) */
49#define ASC_CNF_IRQ10 0x08 /* was (~0x40 & ASC_CNF_MASK) */
50
51 /*** ASC_STAT 3EC: command/status; rw, mirror in ram
52 *** 7 6 5 4 3 2 1 0
53 *** BSY - - - - - - -
54 *** [<-- Resolution -->] 13h,10h,0eh,0ch,09h, 07h, 04h, 02h
55 ***/
56#define ASC_STAT (scu->base + 1)
57
58#define ASC_RDY_FLAG 0x80
59#define ASC_RES_MASK 0x3f
60#define ASC_RES_800 0x13
61#define ASC_RES_700 0x10
62#define ASC_RES_600 0x0e
63#define ASC_RES_500 0x0c
64#define ASC_RES_400 0x09 /* 0x00 */
65#define ASC_RES_300 0x07 /* 0x04 */
66#define ASC_RES_200 0x04 /* 0x20 */
67#define ASC_RES_100 0x02 /* 0x24 */
68
69 /*** ASC_CMD 3EC: command/status; rw, mirror in ram
70 *** W: 7 6 5 4 3 2 1 0
71 *** . - - . . . . .
72 *** b0: 1: light on & get resolution, 0: light off
73 *** b1: 0: load scan len (sub_16, with b4=1, b7=1)
74 *** b2: 1/0 : dma stuff
75 *** b3: 0/1 : dma stuff
76 *** b4: 1 : load scan len (sub_16, with b1=0, b7=1)
77 *** b5: ?
78 *** b6: ?
79 *** b7: ? : set at beginning of sub_16
80 ***/
81#define ASC_CMD (scu->base + 1)
82
83#define ASC_LIGHT_ON 0x01
84#define ASC_SET_B2 0x04
85#define ASC_OPERATE 0x91 /* from linux driver... */
86#define ASC_STANDBY 0x05 /* from linux driver... */
87
88 /*** ASC_LEN_L, ASC_LEN_H 3ED, 3EE: transfer length, lsb first ***/
89#define ASC_LEN_L ((scu->base)+2)
90#define ASC_LEN_H ((scu->base)+3)
91
92 /*** 3EE ASC_PROBE (must read ASC_PROBE_VALUE) ***/
93#define ASC_PROBE ((scu->base)+3)
94#define ASC_PROBE_VALUE 0xA5
95
96 /*** ASC_BOH 3EF: always write 0 at the moment, read some values ? ***/
97#define ASC_BOH ((scu->base)+4)