1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
/* $OpenBSD: nubus.h,v 1.7 1997/03/08 16:16:56 briggs Exp $ */
/* $NetBSD: nubus.h,v 1.17 1997/02/24 06:20:07 scottr Exp $ */
/*
* Copyright (c) 1995 Allen Briggs. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Allen Briggs.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Nubus cards in Macintoshes are identified by 4 16-bit numbers:
* Category: What is the main purpose of this card?
* Type: Within this overall category, what kind of card?
* DrSW: What software interface does it use?
* DrHW: What specific hardware is it?
*
* For example, the "Toby Frame Buffer" display card is
* Category 3 (display)
* Type 1 (video)
* DrSW 1 (Apple)
* and DrHW 1 (TFB).
*/
#include <machine/cpu.h>
#define NUBUS_CATEGORY_BOARD 0x0001
#define NUBUS_CATEGORY_DISPLAY 0x0003
#define NUBUS_TYPE_VIDEO 0x0001
#define NUBUS_TYPE_LCD 0x0002
#define NUBUS_DRSW_APPLE 0x0001
#define NUBUS_DRHW_TFB 0x0001
#define NUBUS_DRHW_WVC 0x0006
#define NUBUS_DRHW_M2HRVC 0x0013
#define NUBUS_DRHW_MICRON 0x0146
#define NUBUS_CATEGORY_NETWORK 0x0004
#define NUBUS_TYPE_ETHERNET 0x0001
#define NUBUS_DRSW_3COM 0x0000
#define NUBUS_DRSW_GATOR 0x0103
#define NUBUS_DRSW_ASANTE 0x0104
#define NUBUS_DRSW_TECHWORKS 0x0109
#define NUBUS_DRSW_FARALLON 0x010C
#define NUBUS_DRSW_FOCUS 0x011A
#define NUBUS_DRHW_INTERLAN 0x0100
#define NUBUS_DRHW_KINETICS 0x0106
#define NUBUS_DRHW_SONIC 0x0110
#define NUBUS_DRHW_CABLETRON 0x0109
#define NUBUS_CATEGORY_COMMUNICATIONS 0x0006
#define NUBUS_TYPE_RS232 0x0002
#define NUBUS_DRSW_HDS 0x0102
#define NUBUS_DRHW_HDS 0x0102
#define NUBUS_CATEGORY_FONT 0x0009 /* KanjiTalk Font Card? */
#define NUBUS_CATEGORY_CPU 0x000A
#define NUBUS_TYPE_68000 0x0002
#define NUBUS_TYPE_68020 0x0003
#define NUBUS_TYPE_68030 0x0004
#define NUBUS_TYPE_68040 0x0005
/*
* This is the same as Apple's Format Block for a card, with the
* addition of a pointer to the base of the NuBUS slot.
*
* This basically describes a nubus card--this structure is held in the last
* N bytes of each valid card's declaration ROM.
*/
typedef struct _nubus_slot {
u_long top;
u_int8_t slot;
u_int8_t bytelanes;
u_int8_t step;
u_int32_t test_pattern;
u_int8_t format;
u_int8_t revision_level;
u_int32_t crc;
u_int32_t length;
u_int32_t directory_offset;
vm_offset_t virtual_base;
} nubus_slot;
/*
* Just a structure to ease comparison of type for drivers, etc.
*/
typedef struct _nubus_type {
u_int16_t category;
u_int16_t type;
u_int16_t drsw;
u_int16_t drhw;
} nubus_type;
/*
* nubus_dir is a structure that describes a nubus directory.
* The nubus*dir() functions should be used to traverse this.
*/
typedef struct _nubus_dir {
u_int32_t dirbase;
u_int32_t curr_ent;
} nubus_dir;
/*
* This is the equivalent of an Apple sResource directory entry
* with the addition of a pointer to itself (essentially) for easy
* calculation of jump to indirect data.
*/
typedef struct _nubus_dirent {
u_int32_t myloc;
u_int8_t rsrc_id;
u_int32_t offset;
} nubus_dirent;
/*
* This is the equivalent of an Apple sResource with the addition of
* a pointer back to the sResource directory from whence we came.
*
* According to the Apple documentation, each sResource is of one of the
* following forms:
* all: bits 31-24 Identification number
*
* offset: bits 23-0 Offset to long data, cString, sBlock, etc.
* word: bits 23-16 0x00
* bits 15-0 word data
* byte: bits 23-8 0x0000
* bits 7-0 byte data
*
* The last resource has id = 0xff and data = 0x000000.
*/
typedef struct _nubus_rsrc {
u_int32_t myloc;
u_int8_t id;
u_int32_t data;
} nubus_rsrc;
/* Resource IDs for NUBUS_CATEGORY_* (All) */
#define NUBUS_RSRC_TYPE 0x01 /* Type (required) */
#define NUBUS_RSRC_NAME 0x02 /* Name (required) */
#define NUBUS_RSRC_ICON 0x03 /* Icon */
#define NUBUS_RSRC_DRVRDIR 0x04 /* Driver directory */
#define NUBUS_RSRC_LOADREC 0x05 /* Load record for resource */
#define NUBUS_RSRC_BOOTREC 0x06 /* Boot record */
#define NUBUS_RSRC_FLAGS 0x07 /* sResource Flags */
#define NUBUS_RSRC_HWDEVID 0x08 /* Hardware device ID */
#define NUBUS_RSRC_MINOR_BASEOS 0x0A /* Offset to hw in std space */
#define NUBUS_RSRC_MINOR_LENGTH 0x0B /* Length of std space */
#define NUBUS_RSRC_MAJOR_BASEOS 0x0C /* Offset to hw in super space */
#define NUBUS_RSRC_MAJOR_LENGTH 0x0D /* Length of super space */
#define NUBUS_RSRC_CICN 0x0F /* Color icon */
#define NUBUS_RSRC_ICL8 0x10 /* 8-bit icon data */
#define NUBUS_RSRC_ICL4 0x11 /* 4-bit icon data */
/* Resource IDs for NUBUS_CATEGORY_DISPLAY */
#define NUBUS_RSRC_GAMMADIR 0x40 /* ID for gamma directory */
#define NUBUS_RSRC_VIDNAMES 0x41 /* ID for video name directory */
#define NUBUS_RSRC_FIRSTMODE 0x80 /* ID for first mode (1-bit) */
#define NUBUS_RSRC_SECONDMODE 0x81 /* ID for 2nd mode (2-bit) */
#define NUBUS_RSRC_THIRDMODE 0x82 /* ID for 3rd mode (4-bit) */
#define NUBUS_RSRC_FOURTHMODE 0x83 /* ID for 4th mode (8-bit) */
#define NUBUS_RSRC_FIFTHMODE 0x84 /* ID for 5th mode (16-bit) */
#define NUBUS_RSRC_SIXTHMODE 0x85 /* ID for 6th mode (32-bit) */
/* Resource IDs for NUBUS_CATEGORY_BOARD */
#define NUBUS_RSRC_BOARDID 0x20 /* Board ID */
#define NUBUS_RSRC_PRAMINITDATA 0x21 /* Private board data for PRAM */
#define NUBUS_RSRC_PRIMARYINIT 0x22 /* Primary init record */
#define NUBUS_RSRC_TIMEOUTCONST 0x23 /* Timeout constant */
#define NUBUS_RSRC_VENDORINFO 0x24 /* Vendor info list */
#define NUBUS_RSRC_BOARDFLAGS 0x25 /* Board flags */
#define NUBUS_RSRC_SECONDINIT 0x26 /* Secondary init record */
#define NUBUS_RSRC_VEND_ID 0x01 /* Card vendor's design ID */
#define NUBUS_RSRC_VEND_SERIAL 0x02 /* Card's serial number */
#define NUBUS_RSRC_VEND_REV 0x03 /* Card design's revision level */
#define NUBUS_RSRC_VEND_PART 0x04 /* Card part number */
#define NUBUS_RSRC_VEND_DATE 0x05 /* Card revision date */
typedef struct _NUBUS_DRIVER {
u_int8_t drvr_id;
u_int32_t offset;
} NUBUS_DRIVER;
typedef struct _NUBUS_BLOCK {
u_int32_t size; /* Size of block of data */
caddr_t data; /* Pointer to data */
} NUBUS_BLOCK;
typedef struct _NUBUS_EXEC_BLOCK {
u_int32_t size; /* Size of total block - 4 */
u_int8_t revision; /* Always 0x2 */
u_int8_t cpu; /* Which processor? */
u_int32_t code_offset; /* Offset base to start of code */
caddr_t code; /* pointer to base of code. */
} NUBUS_EXEC_BLOCK;
#define NUBUS_EXEC_CPU_68000 1
#define NUBUS_EXEC_CPU_68020 2
#define NUBUS_EXEC_CPU_68030 3
#define NUBUS_EXEC_CPU_68040 4
#define NUBUS_MIN_SLOT 0x9
#define NUBUS_MAX_SLOT 0xE
#define NUBUS_ROM_TEST_PATTERN 0x5A932BC7
#define NUBUS_SLOT2PA(x) (0xf9000000 + \
((((x) - NUBUS_MIN_SLOT) & 0xf) << 24))
struct nubus_attach_args {
bus_space_tag_t na_tag;
int slot;
int rsrcid;
u_int16_t category;
u_int16_t type;
u_int16_t drsw;
u_int16_t drhw;
nubus_slot *fmt;
};
struct nubus_softc {
struct device sc_dev;
};
void nubus_get_main_dir __P((nubus_slot *slot, nubus_dir *dir_return));
int nubus_find_rsrc __P((nubus_slot *slot, nubus_dir *dir, u_int8_t rsrcid,
nubus_dirent *dirent_return));
void nubus_get_dir_from_rsrc __P((nubus_slot *slot, nubus_dirent *dirent,
nubus_dir *dir_return));
int nubus_get_ind_data __P((nubus_slot *slot, nubus_dirent *dirent,
caddr_t data_return, int nbytes));
int nubus_get_c_string __P((nubus_slot *slot, nubus_dirent *dirent,
caddr_t data_return, int max_bytes));
char *nubus_get_vendor __P((nubus_slot *slot, int rsrc));
char *nubus_get_card_name __P((nubus_slot *slot));
char *nubus_mapin __P((int paddr, int sz));
int paddr, sz;
|
