aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/nubus.h
blob: 9be57d99269576e756d457bcfb2464cbdf80ca6a (plain) (blame)
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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
/*
  nubus.h: various definitions and prototypes for NuBus drivers to use.

  Originally written by Alan Cox.

  Hacked to death by C. Scott Ananian and David Huggins-Daines.
  
  Some of the constants in here are from the corresponding
  NetBSD/OpenBSD header file, by Allen Briggs.  We figured out the
  rest of them on our own. */

#ifndef LINUX_NUBUS_H
#define LINUX_NUBUS_H

#include <linux/types.h>
#ifdef __KERNEL__
#include <asm/nubus.h>
#endif

enum nubus_category {
	NUBUS_CAT_BOARD          = 0x0001,
	NUBUS_CAT_DISPLAY        = 0x0003,
	NUBUS_CAT_NETWORK        = 0x0004,
	NUBUS_CAT_COMMUNICATIONS = 0x0006,
	NUBUS_CAT_FONT           = 0x0009,
	NUBUS_CAT_CPU            = 0x000A,
	/* For lack of a better name */
	NUBUS_CAT_DUODOCK        = 0x0020
};

enum nubus_type_network {
	NUBUS_TYPE_ETHERNET      = 0x0001,
	NUBUS_TYPE_RS232         = 0x0002
};

enum nubus_type_display {
	NUBUS_TYPE_VIDEO         = 0x0001
};

enum nubus_type_cpu {
	NUBUS_TYPE_68020         = 0x0003,
	NUBUS_TYPE_68030         = 0x0004,
	NUBUS_TYPE_68040         = 0x0005
};

/* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots)
 *  68030 motherboards: <10,4,0,24>
 *  68040 motherboards: <10,5,0,24>
 *  DuoDock Plus: <32,1,1,2>
 *
 *  Toby Frame Buffer card: <3,1,1,1>
 *  RBV built-in video (IIci): <3,1,1,24>
 *  Valkyrie built-in video (Q630): <3,1,1,46>
 *  Macintosh Display Card: <3,1,1,25>
 *  Sonora built-in video (P460): <3,1,1,34>
 *  Jet framebuffer (DuoDock Plus): <3,1,1,41>
 *
 *  SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272>
 *  SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271>
 *  Apple SONIC LC-PDS Ethernet ("Apple Ethernet LC Twisted-Pair Card"): <4,1,0,281>
 *  Sonic Systems Ethernet A-Series Card: <4,1,268,256>
 *  Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision)
 *   ROM on the above card: <2,1,0,0>
 *  Cabletron ethernet card: <4,1,1,265>
 *  Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card)
 *  Kinetics EtherPort IIN: <4,1,259,262>
 *  API Engineering EtherRun_LCa PDS enet card: <4,1,282,256>
 *
 *  Add your devices to the list!  You can obtain the "Slots" utility
 *  from Apple's FTP site at:
 *  ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/
 *
 *  Alternately, TattleTech can be found at any Info-Mac mirror site.  
 *  or from its distribution site: ftp://ftp.decismkr.com/dms
 */

/* DrSW: Uniquely identifies the software interface to a board.  This
   is usually the one you want to look at when writing a driver.  It's
   not as useful as you think, though, because as we should know by
   now (duh), "Apple Compatible" can mean a lot of things... */

/* Add known DrSW values here */
enum nubus_drsw {
	/* NUBUS_CAT_DISPLAY */
	NUBUS_DRSW_APPLE        = 0x0001,
	NUBUS_DRSW_APPLE_HIRES  = 0x0013, /* MacII HiRes card driver */
	
	/* NUBUS_CAT_NETWORK */
	NUBUS_DRSW_3COM         = 0x0000,
	NUBUS_DRSW_CABLETRON    = 0x0001,
	NUBUS_DRSW_SONIC_LC     = 0x0001,
	NUBUS_DRSW_KINETICS     = 0x0103,
	NUBUS_DRSW_ASANTE       = 0x0104,
	NUBUS_DRSW_TECHWORKS    = 0x0109,
	NUBUS_DRSW_DAYNA        = 0x010b,
	NUBUS_DRSW_FARALLON     = 0x010c,
	NUBUS_DRSW_APPLE_SN     = 0x010f,
	NUBUS_DRSW_DAYNA2       = 0x0115,
	NUBUS_DRSW_FOCUS        = 0x011a,
	NUBUS_DRSW_ASANTE_CS    = 0x011d, /* use asante SMC9194 driver */
	NUBUS_DRSW_DAYNA_LC     = 0x011e,

	/* NUBUS_CAT_CPU */
	NUBUS_DRSW_NONE         = 0x0000,
};

/* DrHW: Uniquely identifies the hardware interface to a board (or at
   least, it should...  some video cards are known to incorrectly
   identify themselves as Toby cards) */

/* Add known DrHW values here */
enum nubus_drhw {
	/* NUBUS_CAT_DISPLAY */
	NUBUS_DRHW_APPLE_TFB      = 0x0001, /* Toby frame buffer card */
	NUBUS_DRHW_APPLE_WVC      = 0x0006, /* Apple Workstation Video Card */
	NUBUS_DRHW_SIGMA_CLRMAX   = 0x0007, /* Sigma Design ColorMax */
	NUBUS_DRHW_APPLE_SE30     = 0x0009, /* Apple SE/30 video */
	NUBUS_DRHW_APPLE_HRVC     = 0x0013, /* Mac II High-Res Video Card */
	NUBUS_DRHW_APPLE_PVC      = 0x0017, /* Mac II Portrait Video Card */
	NUBUS_DRHW_APPLE_RBV1     = 0x0018, /* IIci RBV video */
	NUBUS_DRHW_APPLE_MDC      = 0x0019, /* Macintosh Display Card */
	NUBUS_DRHW_APPLE_SONORA   = 0x0022, /* Sonora built-in video */
	NUBUS_DRHW_APPLE_24AC     = 0x002b, /* Mac 24AC Video Card */
	NUBUS_DRHW_APPLE_VALKYRIE = 0x002e,
	NUBUS_DRHW_APPLE_JET      = 0x0029, /* Jet framebuffer (DuoDock) */
	NUBUS_DRHW_SMAC_GFX       = 0x0105, /* SuperMac GFX */
	NUBUS_DRHW_RASTER_CB264   = 0x013B, /* RasterOps ColorBoard 264 */
	NUBUS_DRHW_MICRON_XCEED   = 0x0146, /* Micron Exceed color */
	NUBUS_DRHW_RDIUS_GSC      = 0x0153, /* Radius GS/C */
	NUBUS_DRHW_SMAC_SPEC8     = 0x017B, /* SuperMac Spectrum/8 */
	NUBUS_DRHW_SMAC_SPEC24    = 0x017C, /* SuperMac Spectrum/24 */
	NUBUS_DRHW_RASTER_CB364   = 0x026F, /* RasterOps ColorBoard 364 */
	NUBUS_DRHW_RDIUS_DCGX     = 0x027C, /* Radius DirectColor/GX */
	NUBUS_DRHW_RDIUS_PC8      = 0x0291, /* Radius PrecisionColor 8 */
	NUBUS_DRHW_LAPIS_PCS8     = 0x0292, /* Lapis ProColorServer 8 */
	NUBUS_DRHW_RASTER_24XLI   = 0x02A0, /* RasterOps 8/24 XLi */
	NUBUS_DRHW_RASTER_PBPGT   = 0x02A5, /* RasterOps PaintBoard Prism GT */
	NUBUS_DRHW_EMACH_FSX      = 0x02AE, /* E-Machines Futura SX */
	NUBUS_DRHW_RASTER_24XLTV  = 0x02B7, /* RasterOps 24XLTV */
	NUBUS_DRHW_SMAC_THUND24   = 0x02CB, /* SuperMac Thunder/24 */
	NUBUS_DRHW_SMAC_THUNDLGHT = 0x03D9, /* SuperMac ThunderLight */
	NUBUS_DRHW_RDIUS_PC24XP   = 0x0406, /* Radius PrecisionColor 24Xp */
	NUBUS_DRHW_RDIUS_PC24X    = 0x040A, /* Radius PrecisionColor 24X */
	NUBUS_DRHW_RDIUS_PC8XJ    = 0x040B, /* Radius PrecisionColor 8XJ */
	
	/* NUBUS_CAT_NETWORK */
	NUBUS_DRHW_INTERLAN       = 0x0100,
	NUBUS_DRHW_SMC9194        = 0x0101,
	NUBUS_DRHW_KINETICS       = 0x0106,
	NUBUS_DRHW_CABLETRON      = 0x0109,
	NUBUS_DRHW_ASANTE_LC      = 0x010f,
	NUBUS_DRHW_SONIC          = 0x0110,
	NUBUS_DRHW_TECHWORKS      = 0x0112,
	NUBUS_DRHW_APPLE_SONIC_NB = 0x0118,
	NUBUS_DRHW_APPLE_SONIC_LC = 0x0119,
	NUBUS_DRHW_FOCUS          = 0x011c,
	NUBUS_DRHW_SONNET         = 0x011d,
};

/* Resource IDs: These are the identifiers for the various weird and
   wonderful tidbits of information that may or may not reside in the
   NuBus ROM directory. */
enum nubus_res_id {
	NUBUS_RESID_TYPE         = 0x0001,
	NUBUS_RESID_NAME         = 0x0002,
	NUBUS_RESID_ICON         = 0x0003,
	NUBUS_RESID_DRVRDIR      = 0x0004,
	NUBUS_RESID_LOADREC      = 0x0005,
	NUBUS_RESID_BOOTREC      = 0x0006,
	NUBUS_RESID_FLAGS        = 0x0007,
	NUBUS_RESID_HWDEVID      = 0x0008,
	NUBUS_RESID_MINOR_BASEOS = 0x000a,
	NUBUS_RESID_MINOR_LENGTH = 0x000b,
	NUBUS_RESID_MAJOR_BASEOS = 0x000c,
	NUBUS_RESID_MAJOR_LENGTH = 0x000d,
	NUBUS_RESID_CICN         = 0x000f,
	NUBUS_RESID_ICL8         = 0x0010,
	NUBUS_RESID_ICL4         = 0x0011,
};

/* Category-specific resources. */
enum nubus_board_res_id {
	NUBUS_RESID_BOARDID      = 0x0020,
	NUBUS_RESID_PRAMINITDATA = 0x0021,
	NUBUS_RESID_PRIMARYINIT  = 0x0022,
	NUBUS_RESID_TIMEOUTCONST = 0x0023,
	NUBUS_RESID_VENDORINFO   = 0x0024,
	NUBUS_RESID_BOARDFLAGS   = 0x0025,
	NUBUS_RESID_SECONDINIT   = 0x0026,

	/* Not sure why Apple put these next two in here */
	NUBUS_RESID_VIDNAMES     = 0x0041,
	NUBUS_RESID_VIDMODES     = 0x007e
};

/* Fields within the vendor info directory */
enum nubus_vendor_res_id {
	NUBUS_RESID_VEND_ID     = 0x0001,
	NUBUS_RESID_VEND_SERIAL = 0x0002,
	NUBUS_RESID_VEND_REV    = 0x0003,
	NUBUS_RESID_VEND_PART   = 0x0004,
	NUBUS_RESID_VEND_DATE   = 0x0005
};

enum nubus_net_res_id {
	NUBUS_RESID_MAC_ADDRESS  = 0x0080
};

enum nubus_cpu_res_id {
	NUBUS_RESID_MEMINFO      = 0x0081,
	NUBUS_RESID_ROMINFO      = 0x0082
};

enum nubus_display_res_id {
	NUBUS_RESID_GAMMADIR    = 0x0040,
	NUBUS_RESID_FIRSTMODE   = 0x0080,
	NUBUS_RESID_SECONDMODE  = 0x0081,
	NUBUS_RESID_THIRDMODE   = 0x0082,
	NUBUS_RESID_FOURTHMODE  = 0x0083,
	NUBUS_RESID_FIFTHMODE   = 0x0084,
	NUBUS_RESID_SIXTHMODE   = 0x0085
};

struct nubus_dir
{
	unsigned char *base;
	unsigned char *ptr;
	int done;
	int mask;
};

struct nubus_dirent
{
	unsigned char *base;
	unsigned char type;
	__u32 data;	/* Actually 24bits used */
	int mask;
};

struct nubus_board {
	struct nubus_board* next;
	struct nubus_dev* first_dev;
	
	/* Only 9-E actually exist, though 0-8 are also theoretically
	   possible, and 0 is a special case which represents the
	   motherboard and onboard peripherals (Ethernet, video) */
	int slot;
	/* For slot 0, this is bogus. */
	char name[64];

	/* Format block */
	unsigned char* fblock;
	/* Root directory (does *not* always equal fblock + doffset!) */
	unsigned char* directory;
	
	unsigned long slot_addr;
	/* Offset to root directory (sometimes) */
	unsigned long doffset;
	/* Length over which to compute the crc */
	unsigned long rom_length;
	/* Completely useless most of the time */
	unsigned long crc;
	unsigned char rev;
	unsigned char format;
	unsigned char lanes;
};

struct nubus_dev {
	/* Next link in device list */
	struct nubus_dev* next;
	/* Directory entry in /proc/bus/nubus */
	struct proc_dir_entry* procdir;

	/* The functional resource ID of this device */
	unsigned char resid;
	/* These are mostly here for convenience; we could always read
	   them from the ROMs if we wanted to */
	unsigned short category;
	unsigned short type;
	unsigned short dr_sw;
	unsigned short dr_hw;
	/* This is the device's name rather than the board's.
	   Sometimes they are different.  Usually the board name is
	   more correct. */
	char name[64];
	/* MacOS driver (I kid you not) */
	unsigned char* driver;
	/* Actually this is an offset */
	unsigned long iobase;
	unsigned long iosize;
	unsigned char flags, hwdevid;
	
	/* Functional directory */
	unsigned char* directory;
	/* Much of our info comes from here */
	struct nubus_board* board;
};

#ifdef __KERNEL__
/* This is all NuBus devices (used to find devices later on) */
extern struct nubus_dev* nubus_devices;
/* This is all NuBus cards */
extern struct nubus_board* nubus_boards;

/* Generic NuBus interface functions, modelled after the PCI interface */
void nubus_scan_bus(void);
extern void nubus_proc_init(void);
int get_nubus_list(char *buf);
int nubus_proc_attach_device(struct nubus_dev *dev);
int nubus_proc_detach_device(struct nubus_dev *dev);
/* If we need more precision we can add some more of these */
struct nubus_dev* nubus_find_device(unsigned short category,
				    unsigned short type,
				    unsigned short dr_hw,
				    unsigned short dr_sw,
				    const struct nubus_dev* from);
struct nubus_dev* nubus_find_type(unsigned short category,
				  unsigned short type,
				  const struct nubus_dev* from);
/* Might have more than one device in a slot, you know... */
struct nubus_dev* nubus_find_slot(unsigned int slot,
				  const struct nubus_dev* from);

/* These are somewhat more NuBus-specific.  They all return 0 for
   success and -1 for failure, as you'd expect. */

/* The root directory which contains the board and functional
   directories */
int nubus_get_root_dir(const struct nubus_board* board,
		       struct nubus_dir* dir);
/* The board directory */
int nubus_get_board_dir(const struct nubus_board* board,
			struct nubus_dir* dir);
/* The functional directory */
int nubus_get_func_dir(const struct nubus_dev* dev,
		       struct nubus_dir* dir);

/* These work on any directory gotten via the above */
int nubus_readdir(struct nubus_dir* dir,
		  struct nubus_dirent* ent);
int nubus_find_rsrc(struct nubus_dir* dir,
		    unsigned char rsrc_type,
		    struct nubus_dirent* ent);
int nubus_rewinddir(struct nubus_dir* dir);

/* Things to do with directory entries */
int nubus_get_subdir(const struct nubus_dirent* ent,
		     struct nubus_dir* dir);
void nubus_get_rsrc_mem(void* dest,
			const struct nubus_dirent *dirent,
			int len);
void nubus_get_rsrc_str(void* dest,
			const struct nubus_dirent *dirent,
			int maxlen);
#endif /* __KERNEL__ */

/* We'd like to get rid of this eventually.  Only daynaport.c uses it now. */
static inline void *nubus_slot_addr(int slot)
{
	return (void *)(0xF0000000|(slot<<24));
}

#endif /* LINUX_NUBUS_H */