xref: /netbsd/sys/arch/mac68k/nubus/nubus.h (revision bf9ec67e)
1 /*	$NetBSD: nubus.h,v 1.57 2002/04/13 17:49:41 briggs Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 Allen Briggs.  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 Allen Briggs.
17  * 4. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * Nubus cards in Macintoshes are identified by 4 16-bit numbers:
34  * Category:	What is the main purpose of this card?
35  * Type:	Within this overall category, what kind of card?
36  * DrSW:	What software interface does it use?
37  * DrHW:	What specific hardware is it?
38  *
39  * For example, the "Toby Frame Buffer" display card is
40  *     Category 3 (display)
41  *     Type     1 (video)
42  *     DrSW     1 (Apple)
43  * and DrHW     1 (TFB).
44  */
45 
46 #include <machine/cpu.h>
47 
48 #define NUBUS_CATEGORY_BOARD	0x0001
49 #define  NUBUS_TYPE_BOARD	0x0000	/* We want these for minimal board */
50 #define   NUBUS_DRSW_BOARD	0x0000	/* ROMs that come with nothing but */
51 #define    NUBUS_DRHW_BOARD	0x0000	/* a board resource (old NI_GPIB) */
52 
53 #define NUBUS_CATEGORY_DISPLAY	0x0003
54 #define  NUBUS_TYPE_VIDEO	0x0001
55 #define  NUBUS_TYPE_LCD		0x0002
56 #define   NUBUS_DRSW_APPLE	0x0001
57 #define    NUBUS_DRHW_TFB	0x0001	/* Apple Toby Frame Buffer */
58 #define    NUBUS_DRHW_BAER	0x0002  /* Formac Baers color card */
59 #define    NUBUS_DRHW_WVC	0x0006	/* Apple Workstation Video Card */
60 #define	   NUBUS_DRHW_COLORMAX	0x0007	/* Sigma Designs ColorMax */
61 #define    NUBUS_DRHW_SE30	0x0009	/* Apple SE/30 pseudo-slot video */
62 #define    NUBUS_DRHW_M2HRVC	0x0013	/* Apple Mac II High-Res Video Card */
63 #define    NUBUS_DRHW_PVC	0x0017	/* Apple Mac II Portrait Video Card */
64 #define    NUBUS_DRHW_MDC	0x0019	/* Apple Macintosh Display Card */
65 #define    NUBUS_DRHW_VSC	0x0020	/* Apple Macintosh Duo MiniDock */
66 #define    NUBUS_DRHW_JET	0x0029	/* Apple Macintosh DuoDock II */
67 #define    NUBUS_DRHW_BOOGIE	0x002b	/* Apple Macintosh 24AC Video Card */
68 #define    NUBUS_DRHW_SUPRGFX	0x0105	/* SuperMac GFX */
69 #define    NUBUS_DRHW_FORMAC	0x013A	/* Formac color card II */
70 #define    NUBUS_DRHW_CB264	0x013B	/* RasterOps ColorBoard 264 */
71 #define    NUBUS_DRHW_MICRON	0x0146	/* Micron Exceed color */
72 #define    NUBUS_DRHW_RADGSC	0x0153	/* Radius GS/C */
73 #define    NUBUS_DRHW_SPECTRM8	0x017b	/* SuperMac Spectrum/8  Series III */
74 #define    NUBUS_DRHW_SPECTRUM	0x017c	/* SuperMac Spectrum/24 Series III */
75 #define    NUBUS_DRHW_VIMAGE	0x026E	/* Interware Co., Ltd. Vimage */
76 #define    NUBUS_DRHW_CB364	0x026F	/* RasterOps ColorBoard 364 */
77 #define    NUBUS_DRHW_LVIEW	0x0278	/* Sigma Designs L-View */
78 #define    NUBUS_DRHW_RDCGX	0x027C	/* Radius DirectColor/GX */
79 #define	   NUBUS_DRHW_RPC8	0x0291	/* Radius PrecisionColor 8 */
80 #define	   NUBUS_DRHW_LAPIS	0x0292	/* SE/30 Lapis ProColorServer 8 PDS */
81 #define	   NUBUS_DRHW_ROPS24LXI	0x02A0	/* RasterOps 8/24 XLi */
82 #define	   NUBUS_DRHW_ROPSPPGT	0x02A5	/* RasterOps PaintBoard Prism GT 1.0 */
83 #define    NUBUS_DRHW_FUTURASX	0x02AE	/* E-Machines Futura-SX */
84 #define    NUBUS_DRHW_ROPS24XLTV 0x02B7	/* RasterOps 24XlTV */
85 #define    NUBUS_DRHW_THUNDER24	0x02CB	/* SuperMac Thunder/24 */
86 #define    NUBUS_DRHW_ROPS24MXTV 0x03DF	/* RasterOps 24MxTV */
87 #define    NUBUS_DRHW_GVIMAGE	0x03FB	/* Interware Co., Ltd. Grand Vimage */
88 #define	   NUBUS_DRHW_RPC24XP	0x0406	/* Radius PrecisionColor 24Xp */
89 #define	   NUBUS_DRHW_RPC24X	0x040A	/* Radius PrecisionColor 24X */
90 #define	   NUBUS_DRHW_RPC8XJ	0x040B	/* Radius PrecisionColor 8xj */
91 #define	   NUBUS_DRHW_FIILX	0x0417	/* Futura II LX */
92 #define	   NUBUS_DRHW_FIISXDSP	0x042F	/* Futura II SX/DSP */
93 #define	   NUBUS_DRHW_MC2124NB	0x0462	/* MicroConversions 2124NB II */
94 
95 /* False DrHW values for video cards masquerading as other cards */
96 #define    NUBUS_DRHW_SAM768	0x10000	/* Cornerstone/Samsung 768x1006 */
97 
98 #define NUBUS_CATEGORY_NETWORK	0x0004
99 #define  NUBUS_TYPE_ETHERNET	0x0001
100 #define   NUBUS_DRSW_3COM	0x0000
101 #define   NUBUS_DRSW_CABLETRON	0x0001
102 #define   NUBUS_DRSW_GATOR	0x0103
103 #define   NUBUS_DRSW_ASANTE	0x0104
104 #define   NUBUS_DRSW_TECHWORKS	0x0109
105 #define	  NUBUS_DRSW_DAYNA	0x010B
106 #define   NUBUS_DRSW_FARALLON	0x010C
107 #define   NUBUS_DRSW_DAYNA2	0x0115
108 #define   NUBUS_DRSW_FOCUS	0x011A
109 #define   NUBUS_DRSW_ASANTEF	0x011D
110 #define   NUBUS_DRSW_TFLLAN	0x011E
111 #define    NUBUS_DRHW_INTERLAN	0x0100
112 #define    NUBUS_DRHW_ASANTEF	0x0101
113 #define    NUBUS_DRHW_KINETICS	0x0106
114 #define    NUBUS_DRHW_CABLETRON	0x0109
115 #define    NUBUS_DRHW_NUVOLINK	0x010B
116 #define    NUBUS_DRHW_ASANTE_LC	0x010F
117 #define    NUBUS_DRHW_SONIC	0x0110
118 #define    NUBUS_DRHW_TECHWORKS	0x0112
119 #define    NUBUS_DRHW_APPLE_SNT	0x0118
120 #define    NUBUS_DRHW_APPLE_SN	0x0119
121 
122 #define NUBUS_CATEGORY_COMMUNICATIONS	0x0006
123 #define  NUBUS_TYPE_RS232	0x0002
124 #define  NUBUS_TYPE_IEEE488	0x0004
125 #define   NUBUS_DRSW_HDS	0x0102
126 #define   NUBUS_DRSW_NI488	0x0104
127 #define    NUBUS_DRHW_HDS	0x0102	/* Creative Solutions Hustler serial */
128 #define    NUBUS_DRHW_NB_GPIB_TNT	0x0102	/* NatInst NB-GPIB/TNT */
129 
130 #define NUBUS_CATEGORY_MEMORY	0x0009	/* Also KanjiTalk Font Card? */
131 #define  NUBUS_TYPE_RAMCACHE	0x010C	/* From Apple PDS card */
132 #define   NUBUS_DRSW_AWGSPDS	0x0100
133 #define    NUBUS_DRHW_AWGSPDS	0x0100
134 
135 #define NUBUS_CATEGORY_CPU	0x000A
136 #define  NUBUS_TYPE_68000	0x0002
137 #define  NUBUS_TYPE_68020	0x0003
138 #define  NUBUS_TYPE_68030	0x0004
139 #define  NUBUS_TYPE_68040	0x0005
140 
141 #define NUBUS_CATEGORY_INTBUS		0x000C
142 #define  NUBUS_TYPE_SCSI		0x0008
143 #define   NUBUS_DRSW_AWGSPDS_SCSI	0x0006
144 #define    NUBUS_DRHW_AWGSPDS_SCSI	0x0100
145 #define   NUBUS_DRSW_PLI		0x0108
146 #define    NUBUS_DRHW_PLI		0x0100
147 #define  NUBUS_TYPE_SCSIW	0x000B  /* FWB JackHammer Fast/Wide */
148 #define   NUBUS_DRSW_FWB	0x0001	/* XXX Allen says 0x010C */
149 #define    NUBUS_DRHW_FWB		0x0100
150 
151 #define NUBUS_CATEGORY_DOCK	0x0020
152 #define  NUBUS_TYPE_STATION	0x0001
153 #define  NUBUS_TYPE_DESK	0x0002
154 #define  NUBUS_TYPE_TRAVEL	0x0003
155 /* #define   NUBUS_DRSW_APPLE	0x0001 */
156 #define   NUBUS_DRSW_NEWERTECH	0x0101
157 
158 /* Station */
159 #define    NUBUS_DRHW_DUODOCK	0x0001	/* Apple DuoDock */
160 #define    NUBUS_DRHW_DUODOCKII	0x0002	/* Apple DuoDock II */
161 
162 /* Desk */
163 #define    NUBUS_DRHW_DUOMINIDOCK 0x0001 /* Apple Duo MiniDock */
164 
165 /* Travel */
166 #define	   NUBUS_DRHW_MICROSCSI 0x0100	/* Newer Technology  SCSI MicroDock */
167 
168 
169 /*
170  * This is the same as Apple's Format Block for a card, with the
171  * addition of a pointer to the base of the NuBUS slot.
172  *
173  * This basically describes a nubus card--this structure is held in the last
174  * N bytes of each valid card's declaration ROM.
175  */
176 typedef struct _nubus_slot {
177 	u_long		top;
178 	u_int8_t	slot;
179 	u_int8_t	bytelanes;
180 	u_int8_t	step;
181 	u_int32_t	test_pattern;
182 	u_int8_t	format;
183 	u_int8_t	revision_level;
184 	u_int32_t	crc;
185 	u_int32_t	length;
186 	u_int32_t	directory_offset;
187 } nubus_slot;
188 
189 /*
190  * Just a structure to ease comparison of type for drivers, etc.
191  */
192 typedef struct _nubus_type {
193 	u_int16_t	category;
194 	u_int16_t	type;
195 	u_int16_t	drsw;
196 	u_int16_t	drhw;
197 } nubus_type;
198 
199 /*
200  * nubus_dir is a structure that describes a nubus directory.
201  * The nubus*dir() functions should be used to traverse this.
202  */
203 typedef struct _nubus_dir {
204 	u_int32_t	dirbase;
205 	u_int32_t	curr_ent;
206 } nubus_dir;
207 
208 /*
209  * This is the equivalent of an Apple sResource directory entry
210  * with the addition of a pointer to itself (essentially) for easy
211  * calculation of jump to indirect data.
212  */
213 typedef struct _nubus_dirent {
214 	u_int32_t	myloc;
215 	u_int8_t	rsrc_id;
216 	u_int32_t	offset;
217 } nubus_dirent;
218 
219 /*
220  * This is the equivalent of an Apple sResource with the addition of
221  * a pointer back to the sResource directory from whence we came.
222  *
223  * According to the Apple documentation, each sResource is of one of the
224  * following forms:
225  *	all:	bits 31-24	Identification number
226  *
227  *	offset:	bits 23-0	Offset to long data, cString, sBlock, etc.
228  *	word:	bits 23-16	0x00
229  *		bits 15-0	word data
230  *	byte:	bits 23-8	0x0000
231  *		bits 7-0	byte data
232  *
233  * The last resource has id = 0xff and data = 0x000000.
234  */
235 typedef struct _nubus_rsrc {
236 	u_int32_t	myloc;
237 	u_int8_t	id;
238 	u_int32_t	data;
239 } nubus_rsrc;
240 
241 /*
242  * On a NuBus master, an sMemory resource (this is a second-level
243  * resource list) holds a list of address ranges for onboard
244  * RAM, ROM and IO resources.
245  */
246 typedef struct _nubus_smem_range {
247 	u_int32_t	length;
248 	u_int32_t	offset;
249 } nubus_smem_range;
250 
251 /*
252  * XXX This is mapped on the range list we get back out of the sMemory
253  * resources. I would have liked the range[] array to be of undefined
254  * size but the compiler does not let me.
255  * Maybe it's just too much grief, and we should work with an array
256  * of u_int32_t.
257  */
258 typedef struct _nubus_smem_rangelist {
259 	u_int32_t		length;
260 	nubus_smem_range	range[1];
261 } nubus_smem_rangelist;
262 
263 
264 /* Resource IDs for NUBUS_CATEGORY_* (All) */
265 #define NUBUS_RSRC_TYPE		0x01	/* Type (required)		*/
266 #define NUBUS_RSRC_NAME		0x02	/* Name (required)		*/
267 #define NUBUS_RSRC_ICON		0x03	/* Icon				*/
268 #define NUBUS_RSRC_DRVRDIR	0x04	/* Driver directory		*/
269 #define NUBUS_RSRC_LOADREC	0x05	/* Load record for resource	*/
270 #define NUBUS_RSRC_BOOTREC	0x06	/* Boot record			*/
271 #define NUBUS_RSRC_FLAGS	0x07	/* sResource Flags		*/
272 #define NUBUS_RSRC_HWDEVID	0x08	/* Hardware device ID		*/
273 #define NUBUS_RSRC_MINOR_BASEOS	0x0A	/* Offset to hw in std space	*/
274 #define NUBUS_RSRC_MINOR_LENGTH	0x0B	/* Length of std space		*/
275 #define NUBUS_RSRC_MAJOR_BASEOS	0x0C	/* Offset to hw in super space	*/
276 #define NUBUS_RSRC_MAJOR_LENGTH	0x0D	/* Length of super space	*/
277 #define NUBUS_RSRC_CICN		0x0F	/* Color icon			*/
278 #define NUBUS_RSRC_ICL8		0x10	/* 8-bit icon data		*/
279 #define NUBUS_RSRC_ICL4		0x11	/* 4-bit icon data		*/
280 #define NUBUS_RSRC_SMEMORY	0x6C	/* Resource list for master	*/
281 
282 /* Resource IDs for NUBUS_CATEGORY_DISPLAY */
283 #define NUBUS_RSRC_GAMMADIR	0x40	/* ID for gamma directory	*/
284 #define NUBUS_RSRC_VIDNAMES	0x41	/* ID for video name directory	*/
285 #define NUBUS_RSRC_FIRSTMODE	0x80	/* ID for first mode (1-bit)	*/
286 #define NUBUS_RSRC_SECONDMODE	0x81	/* ID for 2nd mode (2-bit)	*/
287 #define NUBUS_RSRC_THIRDMODE	0x82	/* ID for 3rd mode (4-bit)	*/
288 #define NUBUS_RSRC_FOURTHMODE	0x83	/* ID for 4th mode (8-bit)	*/
289 #define NUBUS_RSRC_FIFTHMODE	0x84	/* ID for 5th mode (16-bit)	*/
290 #define NUBUS_RSRC_SIXTHMODE	0x85	/* ID for 6th mode (32-bit)	*/
291 
292 /* Resource IDs for NUBUS_CATEGORY_BOARD */
293 #define NUBUS_RSRC_BOARDID	0x20	/* Board ID			*/
294 #define NUBUS_RSRC_PRAMINITDATA	0x21	/* Private board data for PRAM	*/
295 #define NUBUS_RSRC_PRIMARYINIT	0x22	/* Primary init record		*/
296 #define NUBUS_RSRC_TIMEOUTCONST	0x23	/* Timeout constant		*/
297 #define NUBUS_RSRC_VENDORINFO	0x24	/* Vendor info list		*/
298 #define NUBUS_RSRC_BOARDFLAGS	0x25	/* Board flags			*/
299 #define NUBUS_RSRC_SECONDINIT	0x26	/* Secondary init record	*/
300 
301 #define NUBUS_RSRC_VEND_ID	0x01	/* Card vendor's design ID	*/
302 #define NUBUS_RSRC_VEND_SERIAL	0x02	/* Card's serial number		*/
303 #define NUBUS_RSRC_VEND_REV	0x03	/* Card design's revision level	*/
304 #define NUBUS_RSRC_VEND_PART	0x04	/* Card part number		*/
305 #define NUBUS_RSRC_VEND_DATE	0x05	/* Card revision date		*/
306 
307 /* Resource IDs for NUBUS_RSRC_SMEMORY master sMemory resource list */
308 #define NUBUS_RSRC_SMEM_MINOR_RAMADDR	0x80	/* Minor RAM address ranges */
309 #define NUBUS_RSRC_SMEM_MAJOR_RAMADDR	0x81	/* Major RAM address ranges */
310 #define NUBUS_RSRC_SMEM_MINOR_ROMADDR	0x82	/* Minor ROM address ranges */
311 #define NUBUS_RSRC_SMEM_MAJOR_ROMADDR	0x83	/* Major ROM address ranges */
312 #define NUBUS_RSRC_SMEM_MINOR_DEVADDR	0x84	/* Minor device address ranges */
313 #define NUBUS_RSRC_SMEM_MAJOR_DEVADDR	0x85	/* Major device address ranges */
314 
315 
316 typedef struct _NUBUS_DRIVER {
317 	u_int8_t	drvr_id;
318 	u_int32_t	offset;
319 } NUBUS_DRIVER;
320 
321 typedef struct _NUBUS_BLOCK {
322 	u_int32_t	size;		/* Size of block of data	*/
323 	caddr_t		data;		/* Pointer to data		*/
324 } NUBUS_BLOCK;
325 
326 typedef struct _NUBUS_EXEC_BLOCK {
327 	u_int32_t	size;		/* Size of total block - 4 	*/
328 	u_int8_t	revision;	/* Always 0x2			*/
329 	u_int8_t	cpu;		/* Which processor?		*/
330 	u_int32_t	code_offset;	/* Offset base to start of code	*/
331 	caddr_t		code;		/* pointer to base of code.	*/
332 } NUBUS_EXEC_BLOCK;
333 
334 #define NUBUS_EXEC_CPU_68000	1
335 #define NUBUS_EXEC_CPU_68020	2
336 #define NUBUS_EXEC_CPU_68030	3
337 #define NUBUS_EXEC_CPU_68040	4
338 
339 #define NUBUS_MIN_SLOT		0x9
340 #define NUBUS_MAX_SLOT		0xE
341 #define NUBUS_ROM_TEST_PATTERN	0x5A932BC7
342 
343 #define NUBUS_SLOT2PA(x)	(0xf9000000 + \
344 				 ((((x) - NUBUS_MIN_SLOT) & 0xf) << 24))
345 
346 struct nubus_attach_args {
347 	bus_space_tag_t	na_tag;
348 	bus_dma_tag_t	na_dmat;
349 	int		slot;
350 	int		rsrcid;
351 	u_int16_t	category;
352 	u_int16_t	type;
353 	u_int16_t	drsw;
354 	u_int16_t	drhw;
355 	nubus_slot	*fmt;
356 };
357 
358 struct nubus_softc {
359 	struct	device	sc_dev;
360 };
361 
362 
363 void	nubus_get_main_dir __P((nubus_slot *slot, nubus_dir *dir_return));
364 void	nubus_get_dir_from_rsrc __P((nubus_slot *slot, nubus_dirent *dirent,
365 	    nubus_dir *dir_return));
366 
367 int	nubus_find_rsrc __P((bus_space_tag_t, bus_space_handle_t,
368 	    nubus_slot *slot, nubus_dir *dir, u_int8_t rsrcid,
369 	    nubus_dirent *dirent_return));
370 int	nubus_get_ind_data __P((bus_space_tag_t, bus_space_handle_t,
371 	    nubus_slot *slot, nubus_dirent *dirent,
372 	    caddr_t data_return, int nbytes));
373 int	nubus_get_c_string __P((bus_space_tag_t, bus_space_handle_t,
374 	    nubus_slot *slot, nubus_dirent *dirent,
375 	    caddr_t data_return, int max_bytes));
376 int	nubus_get_smem_addr_rangelist __P((bus_space_tag_t, bus_space_handle_t,
377     	    nubus_slot *fmt, nubus_dirent *dirent, caddr_t data_return));
378 
379 char	*nubus_get_vendor __P((bus_space_tag_t, bus_space_handle_t,
380 	    nubus_slot *slot, int rsrc));
381 char	*nubus_get_card_name __P((bus_space_tag_t, bus_space_handle_t,
382 	    nubus_slot *slot));
383 #ifdef DEBUG
384 void	nubus_scan_slot __P((bus_space_tag_t, int));
385 #endif
386