1 /*        $NetBSD: nubus.h,v 1.66 2012/10/27 17:18:00 chs 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 ProNitron 80.IVb */
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_MVC     0x0014    /* Apple Mac II Monochrome Video Card */
64 #define    NUBUS_DRHW_PVC     0x0017    /* Apple Mac II Portrait Video Card */
65 #define    NUBUS_DRHW_MDC     0x0019    /* Apple Macintosh Display Card */
66 #define    NUBUS_DRHW_VSC     0x0020    /* Apple Macintosh Duo MiniDock */
67 #define    NUBUS_DRHW_JET     0x0029    /* Apple Macintosh DuoDock II */
68 #define    NUBUS_DRHW_BOOGIE  0x002b    /* Apple Macintosh 24AC Video Card */
69 #define    NUBUS_DRHW_VILTRO340         0x0102    /* VillageTronic Mac Picasso 340 */
70 #define    NUBUS_DRHW_SUPRGFX 0x0105    /* SuperMac GFX */
71 #define    NUBUS_DRHW_RELAX200          0x0131  /* Relax 19" Model 200 */
72 #define    NUBUS_DRHW_FORMAC  0x013A    /* Formac color card II */
73 #define    NUBUS_DRHW_CB264   0x013B    /* RasterOps ColorBoard 264 */
74 #define    NUBUS_DRHW_MICRON  0x0146    /* Micron Exceed color */
75 #define    NUBUS_DRHW_RADGSC  0x0153    /* Radius GS/C */
76 #define    NUBUS_DRHW_SPECTRM8          0x017b    /* SuperMac Spectrum/8  Series III */
77 #define    NUBUS_DRHW_SPECTRUM          0x017c    /* SuperMac Spectrum/24 Series III */
78 #define    NUBUS_DRHW_VIMAGE  0x026E    /* Interware Co., Ltd. Vimage */
79 #define    NUBUS_DRHW_CB364   0x026F    /* RasterOps ColorBoard 364 */
80 #define    NUBUS_DRHW_LVIEW   0x0278    /* Sigma Designs L-View */
81 #define    NUBUS_DRHW_RDCGX   0x027C    /* Radius DirectColor/GX */
82 #define      NUBUS_DRHW_RPC8  0x0291    /* Radius PrecisionColor 8 */
83 #define      NUBUS_DRHW_LAPIS 0x0292    /* SE/30 Lapis ProColorServer 8 PDS */
84 #define      NUBUS_DRHW_ROPS24LXI       0x02A0    /* RasterOps 8/24 XLi */
85 #define      NUBUS_DRHW_ROPSPPGT        0x02A5    /* RasterOps PaintBoard Prism GT 1.0 */
86 #define    NUBUS_DRHW_FUTURASX          0x02AE    /* E-Machines Futura-SX */
87 #define    NUBUS_DRHW_ROPS24XLTV 0x02B7 /* RasterOps 24XlTV */
88 #define    NUBUS_DRHW_THUNDER24         0x02CB    /* SuperMac Thunder/24 */
89 #define    NUBUS_DRHW_ROPS24MXTV 0x03DF /* RasterOps 24MxTV */
90 #define    NUBUS_DRHW_GVIMAGE 0x03FB    /* Interware Co., Ltd. Grand Vimage */
91 #define      NUBUS_DRHW_RPC24XP         0x0406    /* Radius PrecisionColor 24Xp */
92 #define      NUBUS_DRHW_RPC24X          0x040A    /* Radius PrecisionColor 24X */
93 #define      NUBUS_DRHW_RPC8XJ          0x040B    /* Radius PrecisionColor 8xj */
94 #define      NUBUS_DRHW_FIILX 0x0417    /* Futura II LX */
95 #define      NUBUS_DRHW_FIISXDSP        0x042F    /* Futura II SX/DSP */
96 #define      NUBUS_DRHW_MC2124NB        0x0462    /* MicroConversions 2124NB II */
97 
98 /* False DrHW values for video cards masquerading as other cards */
99 #define    NUBUS_DRHW_SAM768  0x10000   /* Cornerstone/Samsung 768x1006 */
100 
101 #define NUBUS_CATEGORY_NETWORK          0x0004
102 #define  NUBUS_TYPE_ETHERNET  0x0001
103 #define   NUBUS_DRSW_3COM     0x0000
104 #define   NUBUS_DRSW_CABLETRON          0x0001
105 #define   NUBUS_DRSW_GATOR    0x0103
106 #define   NUBUS_DRSW_ASANTE   0x0104
107 #define   NUBUS_DRSW_TECHWORKS          0x0109
108 #define     NUBUS_DRSW_DAYNA  0x010B
109 #define   NUBUS_DRSW_FARALLON 0x010C
110 #define   NUBUS_DRSW_DAYNA2   0x0115
111 #define   NUBUS_DRSW_FOCUS    0x011A
112 #define   NUBUS_DRSW_ASANTEF  0x011D
113 #define   NUBUS_DRSW_TFLLAN   0x011E
114 #define    NUBUS_DRHW_INTERLAN          0x0100
115 #define    NUBUS_DRHW_ASANTEF 0x0101
116 #define    NUBUS_DRHW_KINETICS          0x0106
117 #define    NUBUS_DRHW_CABLETRON         0x0109
118 #define    NUBUS_DRHW_NUVOLINK          0x010B
119 #define    NUBUS_DRHW_ASANTE_LC         0x010F
120 #define    NUBUS_DRHW_SONIC   0x0110
121 #define    NUBUS_DRHW_TECHWORKS         0x0112
122 #define    NUBUS_DRHW_APPLE_SNT         0x0118
123 #define    NUBUS_DRHW_APPLE_SN          0x0119
124 
125 #define NUBUS_CATEGORY_COMMUNICATIONS   0x0006
126 #define  NUBUS_TYPE_RS232     0x0002
127 #define  NUBUS_TYPE_IEEE488   0x0004
128 #define  NUBUS_TYPE_CENTRONICS          0x000B
129 #define  NUBUS_TYPE_BECTDIC   0x002E
130 #define   NUBUS_DRSW_BECTDIC  0x0100
131 #define   NUBUS_DRSW_CPI      0x0100
132 #define   NUBUS_DRSW_HDS      0x0102
133 #define   NUBUS_DRSW_NI488    0x0104
134 #define    NUBUS_DRHW_BECTDIC 0x0100    /* Becton Dickinson Acquisition Card */
135 #define    NUBUS_DRHW_CPI     0x0100    /* Creative Solutions parallel */
136 #define    NUBUS_DRHW_HDS     0x0102    /* Creative Solutions 2x serial */
137 #define    NUBUS_DRHW_NBGPIBTNT         0x0102    /* National Instruments NB-GPIB/TNT */
138 
139 #define NUBUS_CATEGORY_MEMORY 0x0009    /* Also KanjiTalk Font Card? */
140 #define  NUBUS_TYPE_RAMCACHE  0x010C    /* From Apple PDS card */
141 #define   NUBUS_DRSW_AWGSPDS  0x0100
142 #define    NUBUS_DRHW_AWGSPDS 0x0100
143 
144 #define NUBUS_CATEGORY_CPU    0x000A
145 #define  NUBUS_TYPE_68000     0x0002
146 #define  NUBUS_TYPE_68020     0x0003
147 #define  NUBUS_TYPE_68030     0x0004
148 #define  NUBUS_TYPE_68040     0x0005
149 #define  NUBUS_TYPE_MX                  0x0009    /* TI microExplorer */
150 
151 #define NUBUS_CATEGORY_INTBUS           0x000C
152 #define  NUBUS_TYPE_SCSI                0x0008
153 #define   NUBUS_DRSW_AWGSPDS_SCSI       0x0006
154 #define    NUBUS_DRHW_AWGSPDS_SCSI      0x0100
155 #define   NUBUS_DRSW_PLI                0x0108
156 #define    NUBUS_DRHW_PLI               0x0100
157 #define  NUBUS_TYPE_SCSIW     0x000B  /* FWB JackHammer Fast/Wide */
158 #define   NUBUS_DRSW_FWB      0x0001
159 #define    NUBUS_DRHW_FWB     0x0100
160 #define  NUBUS_TYPE_SCSIAW    0x0106  /* Atto SiliconExpress IV f/w */
161 #define   NUBUS_DRSW_ATTOSE   0x0101
162 #define    NUBUS_DRHW_ATTOSE  0x0100
163 
164 #define NUBUS_CATEGORY_DOCK   0x0020
165 #define  NUBUS_TYPE_STATION   0x0001
166 #define  NUBUS_TYPE_DESK      0x0002
167 #define  NUBUS_TYPE_TRAVEL    0x0003
168 /* #define   NUBUS_DRSW_APPLE 0x0001 */
169 #define   NUBUS_DRSW_NEWERTECH          0x0101
170 
171 /* Station */
172 #define    NUBUS_DRHW_DUODOCK 0x0001    /* Apple DuoDock */
173 #define    NUBUS_DRHW_DUODOCKII         0x0002    /* Apple DuoDock II */
174 
175 /* Desk */
176 #define    NUBUS_DRHW_DUOMINIDOCK 0x0001 /* Apple Duo MiniDock */
177 
178 /* Travel */
179 #define      NUBUS_DRHW_MICROSCSI 0x0100          /* Newer Technology  SCSI MicroDock */
180 
181 
182 /*
183  * This is the same as Apple's Format Block for a card, with the
184  * addition of a pointer to the base of the NuBUS slot.
185  *
186  * This basically describes a nubus card--this structure is held in the last
187  * N bytes of each valid card's declaration ROM.
188  */
189 typedef struct _nubus_slot {
190           u_long              top;
191           u_int8_t  slot;
192           u_int8_t  bytelanes;
193           u_int8_t  step;
194           u_int32_t test_pattern;
195           u_int8_t  format;
196           u_int8_t  revision_level;
197           u_int32_t crc;
198           u_int32_t length;
199           u_int32_t directory_offset;
200 } nubus_slot;
201 
202 /*
203  * Just a structure to ease comparison of type for drivers, etc.
204  */
205 typedef struct _nubus_type {
206           u_int16_t category;
207           u_int16_t type;
208           u_int16_t drsw;
209           u_int16_t drhw;
210 } nubus_type;
211 
212 /*
213  * nubus_dir is a structure that describes a nubus directory.
214  * The nubus*dir() functions should be used to traverse this.
215  */
216 typedef struct _nubus_dir {
217           u_int32_t dirbase;
218           u_int32_t curr_ent;
219 } nubus_dir;
220 
221 /*
222  * This is the equivalent of an Apple sResource directory entry
223  * with the addition of a pointer to itself (essentially) for easy
224  * calculation of jump to indirect data.
225  */
226 typedef struct _nubus_dirent {
227           u_int32_t myloc;
228           u_int8_t  rsrc_id;
229           u_int32_t offset;
230 } nubus_dirent;
231 
232 /*
233  * This is the equivalent of an Apple sResource with the addition of
234  * a pointer back to the sResource directory from whence we came.
235  *
236  * According to the Apple documentation, each sResource is of one of the
237  * following forms:
238  *        all:      bits 31-24          Identification number
239  *
240  *        offset:   bits 23-0 Offset to long data, cString, sBlock, etc.
241  *        word:     bits 23-16          0x00
242  *                  bits 15-0 word data
243  *        byte:     bits 23-8 0x0000
244  *                  bits 7-0  byte data
245  *
246  * The last resource has id = 0xff and data = 0x000000.
247  */
248 typedef struct _nubus_rsrc {
249           u_int32_t myloc;
250           u_int8_t  id;
251           u_int32_t data;
252 } nubus_rsrc;
253 
254 /*
255  * On a NuBus master, an sMemory resource (this is a second-level
256  * resource list) holds a list of address ranges for onboard
257  * RAM, ROM and IO resources.
258  */
259 typedef struct _nubus_smem_range {
260           u_int32_t length;
261           u_int32_t offset;
262 } nubus_smem_range;
263 
264 /*
265  * XXX This is mapped on the range list we get back out of the sMemory
266  * resources. I would have liked the range[] array to be of undefined
267  * size but the compiler does not let me.
268  * Maybe it's just too much grief, and we should work with an array
269  * of u_int32_t.
270  */
271 typedef struct _nubus_smem_rangelist {
272           u_int32_t           length;
273           nubus_smem_range    range[1];
274 } nubus_smem_rangelist;
275 
276 
277 /* Resource IDs for NUBUS_CATEGORY_* (All) */
278 #define NUBUS_RSRC_TYPE                 0x01      /* Type (required)            */
279 #define NUBUS_RSRC_NAME                 0x02      /* Name (required)            */
280 #define NUBUS_RSRC_ICON                 0x03      /* Icon                                 */
281 #define NUBUS_RSRC_DRVRDIR    0x04      /* Driver directory           */
282 #define NUBUS_RSRC_LOADREC    0x05      /* Load record for resource   */
283 #define NUBUS_RSRC_BOOTREC    0x06      /* Boot record                          */
284 #define NUBUS_RSRC_FLAGS      0x07      /* sResource Flags            */
285 #define NUBUS_RSRC_HWDEVID    0x08      /* Hardware device ID                   */
286 #define NUBUS_RSRC_MINOR_BASEOS         0x0A      /* Offset to hw in std space  */
287 #define NUBUS_RSRC_MINOR_LENGTH         0x0B      /* Length of std space                  */
288 #define NUBUS_RSRC_MAJOR_BASEOS         0x0C      /* Offset to hw in super space          */
289 #define NUBUS_RSRC_MAJOR_LENGTH         0x0D      /* Length of super space      */
290 #define NUBUS_RSRC_CICN                 0x0F      /* Color icon                           */
291 #define NUBUS_RSRC_ICL8                 0x10      /* 8-bit icon data            */
292 #define NUBUS_RSRC_ICL4                 0x11      /* 4-bit icon data            */
293 #define NUBUS_RSRC_SMEMORY    0x6C      /* Resource list for master   */
294 
295 /* Resource IDs for NUBUS_CATEGORY_DISPLAY */
296 #define NUBUS_RSRC_GAMMADIR   0x40      /* ID for gamma directory     */
297 #define NUBUS_RSRC_VIDNAMES   0x41      /* ID for video name directory          */
298 #define NUBUS_RSRC_FIRSTMODE  0x80      /* ID for first mode (1-bit)  */
299 #define NUBUS_RSRC_SECONDMODE 0x81      /* ID for 2nd mode (2-bit)    */
300 #define NUBUS_RSRC_THIRDMODE  0x82      /* ID for 3rd mode (4-bit)    */
301 #define NUBUS_RSRC_FOURTHMODE 0x83      /* ID for 4th mode (8-bit)    */
302 #define NUBUS_RSRC_FIFTHMODE  0x84      /* ID for 5th mode (16-bit)   */
303 #define NUBUS_RSRC_SIXTHMODE  0x85      /* ID for 6th mode (32-bit)   */
304 
305 /* Resource IDs for NUBUS_CATEGORY_BOARD */
306 #define NUBUS_RSRC_BOARDID    0x20      /* Board ID                             */
307 #define NUBUS_RSRC_PRAMINITDATA         0x21      /* Private board data for PRAM          */
308 #define NUBUS_RSRC_PRIMARYINIT          0x22      /* Primary init record                  */
309 #define NUBUS_RSRC_TIMEOUTCONST         0x23      /* Timeout constant           */
310 #define NUBUS_RSRC_VENDORINFO 0x24      /* Vendor info list           */
311 #define NUBUS_RSRC_BOARDFLAGS 0x25      /* Board flags                          */
312 #define NUBUS_RSRC_SECONDINIT 0x26      /* Secondary init record      */
313 
314 #define NUBUS_RSRC_VEND_ID    0x01      /* Card vendor's design ID    */
315 #define NUBUS_RSRC_VEND_SERIAL          0x02      /* Card's serial number                 */
316 #define NUBUS_RSRC_VEND_REV   0x03      /* Card design's revision level         */
317 #define NUBUS_RSRC_VEND_PART  0x04      /* Card part number           */
318 #define NUBUS_RSRC_VEND_DATE  0x05      /* Card revision date                   */
319 
320 /* Resource IDs for NUBUS_RSRC_SMEMORY master sMemory resource list */
321 #define NUBUS_RSRC_SMEM_MINOR_RAMADDR   0x80      /* Minor RAM address ranges */
322 #define NUBUS_RSRC_SMEM_MAJOR_RAMADDR   0x81      /* Major RAM address ranges */
323 #define NUBUS_RSRC_SMEM_MINOR_ROMADDR   0x82      /* Minor ROM address ranges */
324 #define NUBUS_RSRC_SMEM_MAJOR_ROMADDR   0x83      /* Major ROM address ranges */
325 #define NUBUS_RSRC_SMEM_MINOR_DEVADDR   0x84      /* Minor device address ranges */
326 #define NUBUS_RSRC_SMEM_MAJOR_DEVADDR   0x85      /* Major device address ranges */
327 
328 
329 typedef struct _NUBUS_DRIVER {
330           u_int8_t  drvr_id;
331           u_int32_t offset;
332 } NUBUS_DRIVER;
333 
334 typedef struct _NUBUS_BLOCK {
335           u_int32_t size;               /* Size of block of data      */
336           void *              data;               /* Pointer to data            */
337 } NUBUS_BLOCK;
338 
339 typedef struct _NUBUS_EXEC_BLOCK {
340           u_int32_t size;               /* Size of total block - 4    */
341           u_int8_t  revision; /* Always 0x2                           */
342           u_int8_t  cpu;                /* Which processor?           */
343           u_int32_t code_offset;        /* Offset base to start of code         */
344           void *              code;               /* pointer to base of code.   */
345 } NUBUS_EXEC_BLOCK;
346 
347 #define NUBUS_EXEC_CPU_68000  1
348 #define NUBUS_EXEC_CPU_68020  2
349 #define NUBUS_EXEC_CPU_68030  3
350 #define NUBUS_EXEC_CPU_68040  4
351 
352 #define NUBUS_MIN_SLOT                  0x9
353 #define NUBUS_MAX_SLOT                  0xE
354 #define NUBUS_ROM_TEST_PATTERN          0x5A932BC7
355 
356 #define NUBUS_SLOT2PA(x)      (0xf9000000 + \
357                                          ((((x) - NUBUS_MIN_SLOT) & 0xf) << 24))
358 
359 struct nubus_attach_args {
360           bus_space_tag_t     na_tag;
361           bus_dma_tag_t       na_dmat;
362           int                 slot;
363           int                 rsrcid;
364           u_int16_t category;
365           u_int16_t type;
366           u_int16_t drsw;
367           u_int16_t drhw;
368           nubus_slot          *fmt;
369 };
370 
371 struct nubus_softc {
372           device_t  sc_dev;
373 };
374 
375 
376 void      nubus_get_main_dir(nubus_slot *, nubus_dir *);
377 void      nubus_get_dir_from_rsrc(nubus_slot *, nubus_dirent *, nubus_dir *);
378 
379 int       nubus_find_rsrc(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
380               nubus_dir *, u_int8_t, nubus_dirent *);
381 int       nubus_get_ind_data(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
382               nubus_dirent *, char *, int);
383 int       nubus_get_c_string(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
384               nubus_dirent *, char *, int);
385 int       nubus_get_smem_addr_rangelist(bus_space_tag_t, bus_space_handle_t,
386               nubus_slot *, nubus_dirent *, void *);
387 
388 const char          *nubus_get_vendor(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
389               int);
390 const char          *nubus_get_card_name(bus_space_tag_t, bus_space_handle_t, nubus_slot *);
391 #ifdef DEBUG
392 void      nubus_scan_slot(bus_space_tag_t, int);
393 #endif
394