1 /* $NetBSD: coscreg.h,v 1.1 2001/10/05 22:27:54 reinoud Exp $ */
2 
3 /*
4  * Copyright (c) 1996 Mark Brinicombe
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, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by Mark Brinicombe
18  *      for the NetBSD Project.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 /*
36  * Termination and DMA enable registers provided by
37  * Andreas Gandor <andi@knipp.de>
38  */
39 
40 #ifndef _COSCREG_H_
41 #define _COSCREG_H_
42 
43 #include <acorn32/podulebus/escvar.h>
44 
45 typedef volatile unsigned short vu_short;
46 
47 typedef struct cosc_regmap {
48           esc_regmap_t        esc;
49           vu_char             *chipreset;
50           vu_char             *inten;
51           vu_char             *status;
52           vu_char             *term;
53           vu_char             *led;
54 } cosc_regmap_t;
55 typedef cosc_regmap_t *cosc_regmap_p;
56 
57 /*
58 #define COSC_CONTROL_CHIPRESET
59 #define   COSC_CONTROL_INTEN
60 #define COSC_STATUS
61 #define COSC_CONTROL_LED
62 */
63 
64 #define COSC_CONFIG_CONTROL_REG1        0x0ff0
65 #define COSC_CONFIG_CONTROL_REG1_MASK   0x97
66 #define COSC_CONFIG_CONTROL_REG2        0x0ff4
67 #define COSC_CONFIG_CONTROL_REG2_MASK   0x07
68 #define COSC_CONFIG_CONTROL_REG3        0x0ff8
69 #define COSC_CONFIG_CONTROL_REG3_MASK   0x83
70 #define COSC_CONFIG_CONTROL_REG4        0x0ffc
71 #define COSC_CONFIG_CONTROL_REG4_MASK   0xec
72 #define COSC_CONFIG_TERMINATION                   0x1000
73 #define COSC_CONFIG_TERMINATION_ON      0x01
74 #define COSC_CONFIG_FIRST_SCANNED       0x1040    /* Used by RiscOS */
75 #define COSC_CONFIG_INC_FURTHER_PARTS   0x1048    /* Used by RiscOS */
76 #define COSC_CONFIG_SYNCH_MODE                    0x1050
77 #define COSC_CONFIG_SYNCH_MODE_ON       0x01
78 #define COSC_CONFIG_SHUTDOWN            0x1054    /* Used by RiscOS */
79 #define COSC_CONFIG_SHUTDOWN_SPINDOWN   0x01      /* Used by RiscOS */
80 #define COSC_CONFIG_SHUTDOWN_EJECT      0x02      /* Used by RiscOS */
81 #define COSC_CONFIG_DELAY_REMOVABLE     0x105c    /* Used by RiscOS */
82 #define COSC_CONFIG_DELAY_HARDDISC      0x1060    /* Used by RiscOS */
83 #define COSC_CONFIG_DELAY_BOOT                    0x1064    /* Used by RiscOS */
84 #define COSC_CONFIG_CDROM               0x1068    /* Used by RiscOS */
85 
86 #define COSC_TERMINATION_CONTROL        0x2600
87 #define COSC_TERMINATION_ON             0x00
88 #define COSC_TERMINATION_OFF            0x01
89 #define COSC_REGISTER_00                0x2800
90 #define COSC_REGISTER_01                0x2a00
91 #define COSC_PAGE_REGISTER              0x3000
92 
93 #define COSC_ESCOFFSET_BASE             0x3c00
94 #define COSC_ESCOFFSET_TCL              0x0000
95 #define COSC_ESCOFFSET_TCM              0x0004
96 #define COSC_ESCOFFSET_FIFO             0x0008
97 #define COSC_ESCOFFSET_COMMAND                    0x000c
98 #define COSC_ESCOFFSET_DESTID           0x0010
99 #define COSC_ESCOFFSET_TIMEOUT                    0x0014
100 #define COSC_ESCOFFSET_PERIOD           0x0018
101 #define COSC_ESCOFFSET_OFFSET           0x001c
102 #define COSC_ESCOFFSET_CONFIG1                    0x0020
103 #define COSC_ESCOFFSET_CLOCKCONV        0x0024
104 #define COSC_ESCOFFSET_TEST             0x0028
105 #define COSC_ESCOFFSET_CONFIG2                    0x002c
106 #define COSC_ESCOFFSET_CONFIG3                    0x0030
107 #define COSC_ESCOFFSET_CONFIG4                    0x0034
108 #define COSC_ESCOFFSET_TCH              0x0038
109 #define COSC_ESCOFFSET_FIFOBOTTOM       0x003c
110 
111 #endif /* _COSCREG_H_ */
112