1 /*
2 nubus.h: various definitions and prototypes for NuBus drivers to use.
3
4 Originally written by Alan Cox.
5
6 Hacked to death by C. Scott Ananian and David Huggins-Daines.
7
8 Some of the constants in here are from the corresponding
9 NetBSD/OpenBSD header file, by Allen Briggs. We figured out the
10 rest of them on our own. */
11
12 #ifndef LINUX_NUBUS_H
13 #define LINUX_NUBUS_H
14
15 #include <linux/types.h>
16 #ifdef __KERNEL__
17 #include <asm/nubus.h>
18 #endif
19
20 enum nubus_category {
21 NUBUS_CAT_BOARD = 0x0001,
22 NUBUS_CAT_DISPLAY = 0x0003,
23 NUBUS_CAT_NETWORK = 0x0004,
24 NUBUS_CAT_COMMUNICATIONS = 0x0006,
25 NUBUS_CAT_FONT = 0x0009,
26 NUBUS_CAT_CPU = 0x000A,
27 /* For lack of a better name */
28 NUBUS_CAT_DUODOCK = 0x0020
29 };
30
31 enum nubus_type_network {
32 NUBUS_TYPE_ETHERNET = 0x0001,
33 NUBUS_TYPE_RS232 = 0x0002
34 };
35
36 enum nubus_type_display {
37 NUBUS_TYPE_VIDEO = 0x0001
38 };
39
40 enum nubus_type_cpu {
41 NUBUS_TYPE_68020 = 0x0003,
42 NUBUS_TYPE_68030 = 0x0004,
43 NUBUS_TYPE_68040 = 0x0005
44 };
45
46 /* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots)
47 * 68030 motherboards: <10,4,0,24>
48 * 68040 motherboards: <10,5,0,24>
49 * DuoDock Plus: <32,1,1,2>
50 *
51 * Toby Frame Buffer card: <3,1,1,1>
52 * RBV built-in video (IIci): <3,1,1,24>
53 * Valkyrie built-in video (Q630): <3,1,1,46>
54 * Macintosh Display Card: <3,1,1,25>
55 * Sonora built-in video (P460): <3,1,1,34>
56 * Jet framebuffer (DuoDock Plus): <3,1,1,41>
57 *
58 * SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272>
59 * SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271>
60 * Apple SONIC LC-PDS Ethernet ("Apple Ethernet LC Twisted-Pair Card"): <4,1,0,281>
61 * Sonic Systems Ethernet A-Series Card: <4,1,268,256>
62 * Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision)
63 * ROM on the above card: <2,1,0,0>
64 * Cabletron ethernet card: <4,1,1,265>
65 * Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card)
66 * Kinetics EtherPort IIN: <4,1,259,262>
67 * API Engineering EtherRun_LCa PDS enet card: <4,1,282,256>
68 *
69 * Add your devices to the list! You can obtain the "Slots" utility
70 * from Apple's FTP site at:
71 * ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/
72 *
73 * Alternately, TattleTech can be found at any Info-Mac mirror site.
74 * or from its distribution site: ftp://ftp.decismkr.com/dms
75 */
76
77 /* DrSW: Uniquely identifies the software interface to a board. This
78 is usually the one you want to look at when writing a driver. It's
79 not as useful as you think, though, because as we should know by
80 now (duh), "Apple Compatible" can mean a lot of things... */
81
82 /* Add known DrSW values here */
83 enum nubus_drsw {
84 /* NUBUS_CAT_DISPLAY */
85 NUBUS_DRSW_APPLE = 0x0001,
86 NUBUS_DRSW_APPLE_HIRES = 0x0013, /* MacII HiRes card driver */
87
88 /* NUBUS_CAT_NETWORK */
89 NUBUS_DRSW_3COM = 0x0000,
90 NUBUS_DRSW_CABLETRON = 0x0001,
91 NUBUS_DRSW_SONIC_LC = 0x0001,
92 NUBUS_DRSW_KINETICS = 0x0103,
93 NUBUS_DRSW_ASANTE = 0x0104,
94 NUBUS_DRSW_TECHWORKS = 0x0109,
95 NUBUS_DRSW_DAYNA = 0x010b,
96 NUBUS_DRSW_FARALLON = 0x010c,
97 NUBUS_DRSW_APPLE_SN = 0x010f,
98 NUBUS_DRSW_DAYNA2 = 0x0115,
99 NUBUS_DRSW_FOCUS = 0x011a,
100 NUBUS_DRSW_ASANTE_CS = 0x011d, /* use asante SMC9194 driver */
101 NUBUS_DRSW_DAYNA_LC = 0x011e,
102
103 /* NUBUS_CAT_CPU */
104 NUBUS_DRSW_NONE = 0x0000,
105 };
106
107 /* DrHW: Uniquely identifies the hardware interface to a board (or at
108 least, it should... some video cards are known to incorrectly
109 identify themselves as Toby cards) */
110
111 /* Add known DrHW values here */
112 enum nubus_drhw {
113 /* NUBUS_CAT_DISPLAY */
114 NUBUS_DRHW_APPLE_TFB = 0x0001, /* Toby frame buffer card */
115 NUBUS_DRHW_APPLE_WVC = 0x0006, /* Apple Workstation Video Card */
116 NUBUS_DRHW_SIGMA_CLRMAX = 0x0007, /* Sigma Design ColorMax */
117 NUBUS_DRHW_APPLE_SE30 = 0x0009, /* Apple SE/30 video */
118 NUBUS_DRHW_APPLE_HRVC = 0x0013, /* Mac II High-Res Video Card */
119 NUBUS_DRHW_APPLE_PVC = 0x0017, /* Mac II Portrait Video Card */
120 NUBUS_DRHW_APPLE_RBV1 = 0x0018, /* IIci RBV video */
121 NUBUS_DRHW_APPLE_MDC = 0x0019, /* Macintosh Display Card */
122 NUBUS_DRHW_APPLE_SONORA = 0x0022, /* Sonora built-in video */
123 NUBUS_DRHW_APPLE_24AC = 0x002b, /* Mac 24AC Video Card */
124 NUBUS_DRHW_APPLE_VALKYRIE = 0x002e,
125 NUBUS_DRHW_APPLE_JET = 0x0029, /* Jet framebuffer (DuoDock) */
126 NUBUS_DRHW_SMAC_GFX = 0x0105, /* SuperMac GFX */
127 NUBUS_DRHW_RASTER_CB264 = 0x013B, /* RasterOps ColorBoard 264 */
128 NUBUS_DRHW_MICRON_XCEED = 0x0146, /* Micron Exceed color */
129 NUBUS_DRHW_RDIUS_GSC = 0x0153, /* Radius GS/C */
130 NUBUS_DRHW_SMAC_SPEC8 = 0x017B, /* SuperMac Spectrum/8 */
131 NUBUS_DRHW_SMAC_SPEC24 = 0x017C, /* SuperMac Spectrum/24 */
132 NUBUS_DRHW_RASTER_CB364 = 0x026F, /* RasterOps ColorBoard 364 */
133 NUBUS_DRHW_RDIUS_DCGX = 0x027C, /* Radius DirectColor/GX */
134 NUBUS_DRHW_RDIUS_PC8 = 0x0291, /* Radius PrecisionColor 8 */
135 NUBUS_DRHW_LAPIS_PCS8 = 0x0292, /* Lapis ProColorServer 8 */
136 NUBUS_DRHW_RASTER_24XLI = 0x02A0, /* RasterOps 8/24 XLi */
137 NUBUS_DRHW_RASTER_PBPGT = 0x02A5, /* RasterOps PaintBoard Prism GT */
138 NUBUS_DRHW_EMACH_FSX = 0x02AE, /* E-Machines Futura SX */
139 NUBUS_DRHW_RASTER_24XLTV = 0x02B7, /* RasterOps 24XLTV */
140 NUBUS_DRHW_SMAC_THUND24 = 0x02CB, /* SuperMac Thunder/24 */
141 NUBUS_DRHW_SMAC_THUNDLGHT = 0x03D9, /* SuperMac ThunderLight */
142 NUBUS_DRHW_RDIUS_PC24XP = 0x0406, /* Radius PrecisionColor 24Xp */
143 NUBUS_DRHW_RDIUS_PC24X = 0x040A, /* Radius PrecisionColor 24X */
144 NUBUS_DRHW_RDIUS_PC8XJ = 0x040B, /* Radius PrecisionColor 8XJ */
145
146 /* NUBUS_CAT_NETWORK */
147 NUBUS_DRHW_INTERLAN = 0x0100,
148 NUBUS_DRHW_SMC9194 = 0x0101,
149 NUBUS_DRHW_KINETICS = 0x0106,
150 NUBUS_DRHW_CABLETRON = 0x0109,
151 NUBUS_DRHW_ASANTE_LC = 0x010f,
152 NUBUS_DRHW_SONIC = 0x0110,
153 NUBUS_DRHW_TECHWORKS = 0x0112,
154 NUBUS_DRHW_APPLE_SONIC_NB = 0x0118,
155 NUBUS_DRHW_APPLE_SONIC_LC = 0x0119,
156 NUBUS_DRHW_FOCUS = 0x011c,
157 NUBUS_DRHW_SONNET = 0x011d,
158 };
159
160 /* Resource IDs: These are the identifiers for the various weird and
161 wonderful tidbits of information that may or may not reside in the
162 NuBus ROM directory. */
163 enum nubus_res_id {
164 NUBUS_RESID_TYPE = 0x0001,
165 NUBUS_RESID_NAME = 0x0002,
166 NUBUS_RESID_ICON = 0x0003,
167 NUBUS_RESID_DRVRDIR = 0x0004,
168 NUBUS_RESID_LOADREC = 0x0005,
169 NUBUS_RESID_BOOTREC = 0x0006,
170 NUBUS_RESID_FLAGS = 0x0007,
171 NUBUS_RESID_HWDEVID = 0x0008,
172 NUBUS_RESID_MINOR_BASEOS = 0x000a,
173 NUBUS_RESID_MINOR_LENGTH = 0x000b,
174 NUBUS_RESID_MAJOR_BASEOS = 0x000c,
175 NUBUS_RESID_MAJOR_LENGTH = 0x000d,
176 NUBUS_RESID_CICN = 0x000f,
177 NUBUS_RESID_ICL8 = 0x0010,
178 NUBUS_RESID_ICL4 = 0x0011,
179 };
180
181 /* Category-specific resources. */
182 enum nubus_board_res_id {
183 NUBUS_RESID_BOARDID = 0x0020,
184 NUBUS_RESID_PRAMINITDATA = 0x0021,
185 NUBUS_RESID_PRIMARYINIT = 0x0022,
186 NUBUS_RESID_TIMEOUTCONST = 0x0023,
187 NUBUS_RESID_VENDORINFO = 0x0024,
188 NUBUS_RESID_BOARDFLAGS = 0x0025,
189 NUBUS_RESID_SECONDINIT = 0x0026,
190
191 /* Not sure why Apple put these next two in here */
192 NUBUS_RESID_VIDNAMES = 0x0041,
193 NUBUS_RESID_VIDMODES = 0x007e
194 };
195
196 /* Fields within the vendor info directory */
197 enum nubus_vendor_res_id {
198 NUBUS_RESID_VEND_ID = 0x0001,
199 NUBUS_RESID_VEND_SERIAL = 0x0002,
200 NUBUS_RESID_VEND_REV = 0x0003,
201 NUBUS_RESID_VEND_PART = 0x0004,
202 NUBUS_RESID_VEND_DATE = 0x0005
203 };
204
205 enum nubus_net_res_id {
206 NUBUS_RESID_MAC_ADDRESS = 0x0080
207 };
208
209 enum nubus_cpu_res_id {
210 NUBUS_RESID_MEMINFO = 0x0081,
211 NUBUS_RESID_ROMINFO = 0x0082
212 };
213
214 enum nubus_display_res_id {
215 NUBUS_RESID_GAMMADIR = 0x0040,
216 NUBUS_RESID_FIRSTMODE = 0x0080,
217 NUBUS_RESID_SECONDMODE = 0x0081,
218 NUBUS_RESID_THIRDMODE = 0x0082,
219 NUBUS_RESID_FOURTHMODE = 0x0083,
220 NUBUS_RESID_FIFTHMODE = 0x0084,
221 NUBUS_RESID_SIXTHMODE = 0x0085
222 };
223
224 struct nubus_dir
225 {
226 unsigned char *base;
227 unsigned char *ptr;
228 int done;
229 int mask;
230 };
231
232 struct nubus_dirent
233 {
234 unsigned char *base;
235 unsigned char type;
236 __u32 data; /* Actually 24bits used */
237 int mask;
238 };
239
240 #ifdef __KERNEL__
241 struct nubus_board {
242 struct nubus_board* next;
243 struct nubus_dev* first_dev;
244
245 /* Only 9-E actually exist, though 0-8 are also theoretically
246 possible, and 0 is a special case which represents the
247 motherboard and onboard peripherals (Ethernet, video) */
248 int slot;
249 /* For slot 0, this is bogus. */
250 char name[64];
251
252 /* Format block */
253 unsigned char* fblock;
254 /* Root directory (does *not* always equal fblock + doffset!) */
255 unsigned char* directory;
256
257 unsigned long slot_addr;
258 /* Offset to root directory (sometimes) */
259 unsigned long doffset;
260 /* Length over which to compute the crc */
261 unsigned long rom_length;
262 /* Completely useless most of the time */
263 unsigned long crc;
264 unsigned char rev;
265 unsigned char format;
266 unsigned char lanes;
267 };
268
269 struct nubus_dev {
270 /* Next link in device list */
271 struct nubus_dev* next;
272 /* Directory entry in /proc/bus/nubus */
273 struct proc_dir_entry* procdir;
274
275 /* The functional resource ID of this device */
276 unsigned char resid;
277 /* These are mostly here for convenience; we could always read
278 them from the ROMs if we wanted to */
279 unsigned short category;
280 unsigned short type;
281 unsigned short dr_sw;
282 unsigned short dr_hw;
283 /* This is the device's name rather than the board's.
284 Sometimes they are different. Usually the board name is
285 more correct. */
286 char name[64];
287 /* MacOS driver (I kid you not) */
288 unsigned char* driver;
289 /* Actually this is an offset */
290 unsigned long iobase;
291 unsigned long iosize;
292 unsigned char flags, hwdevid;
293
294 /* Functional directory */
295 unsigned char* directory;
296 /* Much of our info comes from here */
297 struct nubus_board* board;
298 };
299
300 /* This is all NuBus devices (used to find devices later on) */
301 extern struct nubus_dev* nubus_devices;
302 /* This is all NuBus cards */
303 extern struct nubus_board* nubus_boards;
304
305 /* Generic NuBus interface functions, modelled after the PCI interface */
306 void nubus_scan_bus(void);
307 extern void nubus_proc_init(void);
308 int get_nubus_list(char *buf);
309 int nubus_proc_attach_device(struct nubus_dev *dev);
310 int nubus_proc_detach_device(struct nubus_dev *dev);
311 /* If we need more precision we can add some more of these */
312 struct nubus_dev* nubus_find_device(unsigned short category,
313 unsigned short type,
314 unsigned short dr_hw,
315 unsigned short dr_sw,
316 const struct nubus_dev* from);
317 struct nubus_dev* nubus_find_type(unsigned short category,
318 unsigned short type,
319 const struct nubus_dev* from);
320 /* Might have more than one device in a slot, you know... */
321 struct nubus_dev* nubus_find_slot(unsigned int slot,
322 const struct nubus_dev* from);
323
324 /* These are somewhat more NuBus-specific. They all return 0 for
325 success and -1 for failure, as you'd expect. */
326
327 /* The root directory which contains the board and functional
328 directories */
329 int nubus_get_root_dir(const struct nubus_board* board,
330 struct nubus_dir* dir);
331 /* The board directory */
332 int nubus_get_board_dir(const struct nubus_board* board,
333 struct nubus_dir* dir);
334 /* The functional directory */
335 int nubus_get_func_dir(const struct nubus_dev* dev,
336 struct nubus_dir* dir);
337
338 /* These work on any directory gotten via the above */
339 int nubus_readdir(struct nubus_dir* dir,
340 struct nubus_dirent* ent);
341 int nubus_find_rsrc(struct nubus_dir* dir,
342 unsigned char rsrc_type,
343 struct nubus_dirent* ent);
344 int nubus_rewinddir(struct nubus_dir* dir);
345
346 /* Things to do with directory entries */
347 int nubus_get_subdir(const struct nubus_dirent* ent,
348 struct nubus_dir* dir);
349 void nubus_get_rsrc_mem(void* dest,
350 const struct nubus_dirent *dirent,
351 int len);
352 void nubus_get_rsrc_str(void* dest,
353 const struct nubus_dirent *dirent,
354 int maxlen);
355 #endif /* __KERNEL__ */
356
357 /* We'd like to get rid of this eventually. Only daynaport.c uses it now. */
nubus_slot_addr(int slot)358 static inline void *nubus_slot_addr(int slot)
359 {
360 return (void *)(0xF0000000|(slot<<24));
361 }
362
363 #endif /* LINUX_NUBUS_H */
364