1 /* $NetBSD: nubus.h,v 1.55 2001/01/22 20:27:02 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 50 #define NUBUS_CATEGORY_DISPLAY 0x0003 51 #define NUBUS_TYPE_VIDEO 0x0001 52 #define NUBUS_TYPE_LCD 0x0002 53 #define NUBUS_DRSW_APPLE 0x0001 54 #define NUBUS_DRHW_TFB 0x0001 /* Apple Toby Frame Buffer */ 55 #define NUBUS_DRHW_WVC 0x0006 /* Apple Workstation Video Card */ 56 #define NUBUS_DRHW_COLORMAX 0x0007 /* Sigma Designs ColorMax */ 57 #define NUBUS_DRHW_SE30 0x0009 /* Apple SE/30 pseudo-slot video */ 58 #define NUBUS_DRHW_M2HRVC 0x0013 /* Apple Mac II High-Res Video Card */ 59 #define NUBUS_DRHW_PVC 0x0017 /* Apple Mac II Portrait Video Card */ 60 #define NUBUS_DRHW_MDC 0x0019 /* Apple Macintosh Display Card */ 61 #define NUBUS_DRHW_BOOGIE 0x002b /* Apple Macintosh 24AC Video Card */ 62 #define NUBUS_DRHW_SUPRGFX 0x0105 /* SuperMac GFX */ 63 #define NUBUS_DRHW_FORMAC 0x013A /* Formac color card II */ 64 #define NUBUS_DRHW_CB264 0x013B /* RasterOps ColorBoard 264 */ 65 #define NUBUS_DRHW_MICRON 0x0146 /* Micron Exceed color */ 66 #define NUBUS_DRHW_RADGSC 0x0153 /* Radius GS/C */ 67 #define NUBUS_DRHW_SPECTRM8 0x017b /* SuperMac Spectrum/8 Series III */ 68 #define NUBUS_DRHW_SPECTRUM 0x017c /* SuperMac Spectrum/24 Series III */ 69 #define NUBUS_DRHW_VIMAGE 0x026E /* Interware Co., Ltd. Vimage */ 70 #define NUBUS_DRHW_CB364 0x026F /* RasterOps ColorBoard 364 */ 71 #define NUBUS_DRHW_LVIEW 0x0278 /* Sigma Designs L-View */ 72 #define NUBUS_DRHW_RDCGX 0x027C /* Radius DirectColor/GX */ 73 #define NUBUS_DRHW_RPC8 0x0291 /* Radius PrecisionColor 8 */ 74 #define NUBUS_DRHW_LAPIS 0x0292 /* SE/30 Lapis ProColorServer 8 PDS */ 75 #define NUBUS_DRHW_ROPS24LXI 0x02A0 /* RasterOps 8/24 XLi */ 76 #define NUBUS_DRHW_ROPSPPGT 0x02A5 /* RasterOps PaintBoard Prism GT 1.0 */ 77 #define NUBUS_DRHW_FUTURASX 0x02AE /* E-Machines Futura-SX */ 78 #define NUBUS_DRHW_ROPS24XLTV 0x02B7 /* RasterOps 24XlTV */ 79 #define NUBUS_DRHW_THUNDER24 0x02CB /* SuperMac Thunder/24 */ 80 #define NUBUS_DRHW_ROPS24MXTV 0x03DF /* RasterOps 24MxTV */ 81 #define NUBUS_DRHW_GVIMAGE 0x03FB /* Interware Co., Ltd. Grand Vimage */ 82 #define NUBUS_DRHW_RPC24XP 0x0406 /* Radius PrecisionColor 24Xp */ 83 #define NUBUS_DRHW_RPC24X 0x040A /* Radius PrecisionColor 24X */ 84 #define NUBUS_DRHW_RPC8XJ 0x040B /* Radius PrecisionColor 8xj */ 85 #define NUBUS_DRHW_FIILX 0x0417 /* Futura II LX */ 86 #define NUBUS_DRHW_FIISXDSP 0x042F /* Futura II SX/DSP */ 87 #define NUBUS_DRHW_MC2124NB 0x0462 /* MicroConversions 2124NB II */ 88 89 /* False DrHW values for video cards masquerading as other cards */ 90 #define NUBUS_DRHW_SAM768 0x10000 /* Cornerstone/Samsung 768x1006 */ 91 92 #define NUBUS_CATEGORY_NETWORK 0x0004 93 #define NUBUS_TYPE_ETHERNET 0x0001 94 #define NUBUS_DRSW_3COM 0x0000 95 #define NUBUS_DRSW_CABLETRON 0x0001 96 #define NUBUS_DRSW_GATOR 0x0103 97 #define NUBUS_DRSW_ASANTE 0x0104 98 #define NUBUS_DRSW_TECHWORKS 0x0109 99 #define NUBUS_DRSW_DAYNA 0x010B 100 #define NUBUS_DRSW_FARALLON 0x010C 101 #define NUBUS_DRSW_DAYNA2 0x0115 102 #define NUBUS_DRSW_FOCUS 0x011A 103 #define NUBUS_DRSW_ASANTEF 0x011D 104 #define NUBUS_DRSW_TFLLAN 0x011E 105 #define NUBUS_DRHW_INTERLAN 0x0100 106 #define NUBUS_DRHW_ASANTEF 0x0101 107 #define NUBUS_DRHW_KINETICS 0x0106 108 #define NUBUS_DRHW_CABLETRON 0x0109 109 #define NUBUS_DRHW_NUVOLINK 0x010B 110 #define NUBUS_DRHW_ASANTE_LC 0x010F 111 #define NUBUS_DRHW_SONIC 0x0110 112 #define NUBUS_DRHW_TECHWORKS 0x0112 113 #define NUBUS_DRHW_APPLE_SNT 0x0118 114 #define NUBUS_DRHW_APPLE_SN 0x0119 115 116 #define NUBUS_CATEGORY_COMMUNICATIONS 0x0006 117 #define NUBUS_TYPE_RS232 0x0002 118 #define NUBUS_DRSW_HDS 0x0102 119 #define NUBUS_DRHW_HDS 0x0102 120 121 #define NUBUS_CATEGORY_MEMORY 0x0009 /* Also KanjiTalk Font Card? */ 122 #define NUBUS_TYPE_RAMCACHE 0x010C /* From Apple PDS card */ 123 #define NUBUS_DRSW_AWGSPDS 0x0100 124 #define NUBUS_DRHW_AWGSPDS 0x0100 125 126 #define NUBUS_CATEGORY_CPU 0x000A 127 #define NUBUS_TYPE_68000 0x0002 128 #define NUBUS_TYPE_68020 0x0003 129 #define NUBUS_TYPE_68030 0x0004 130 #define NUBUS_TYPE_68040 0x0005 131 132 #define NUBUS_CATEGORY_INTBUS 0x000C 133 #define NUBUS_TYPE_SCSI 0x0008 134 #define NUBUS_DRSW_AWGSPDS_SCSI 0x0006 135 #define NUBUS_DRHW_AWGSPDS_SCSI 0x0100 136 #define NUBUS_DRSW_PLI 0x0108 137 #define NUBUS_DRHW_PLI 0x0100 138 #define NUBUS_DRSW_FWB 0x010C 139 #define NUBUS_DRHW_FWB 0x0100 140 141 /* 142 * This is the same as Apple's Format Block for a card, with the 143 * addition of a pointer to the base of the NuBUS slot. 144 * 145 * This basically describes a nubus card--this structure is held in the last 146 * N bytes of each valid card's declaration ROM. 147 */ 148 typedef struct _nubus_slot { 149 u_long top; 150 u_int8_t slot; 151 u_int8_t bytelanes; 152 u_int8_t step; 153 u_int32_t test_pattern; 154 u_int8_t format; 155 u_int8_t revision_level; 156 u_int32_t crc; 157 u_int32_t length; 158 u_int32_t directory_offset; 159 } nubus_slot; 160 161 /* 162 * Just a structure to ease comparison of type for drivers, etc. 163 */ 164 typedef struct _nubus_type { 165 u_int16_t category; 166 u_int16_t type; 167 u_int16_t drsw; 168 u_int16_t drhw; 169 } nubus_type; 170 171 /* 172 * nubus_dir is a structure that describes a nubus directory. 173 * The nubus*dir() functions should be used to traverse this. 174 */ 175 typedef struct _nubus_dir { 176 u_int32_t dirbase; 177 u_int32_t curr_ent; 178 } nubus_dir; 179 180 /* 181 * This is the equivalent of an Apple sResource directory entry 182 * with the addition of a pointer to itself (essentially) for easy 183 * calculation of jump to indirect data. 184 */ 185 typedef struct _nubus_dirent { 186 u_int32_t myloc; 187 u_int8_t rsrc_id; 188 u_int32_t offset; 189 } nubus_dirent; 190 191 /* 192 * This is the equivalent of an Apple sResource with the addition of 193 * a pointer back to the sResource directory from whence we came. 194 * 195 * According to the Apple documentation, each sResource is of one of the 196 * following forms: 197 * all: bits 31-24 Identification number 198 * 199 * offset: bits 23-0 Offset to long data, cString, sBlock, etc. 200 * word: bits 23-16 0x00 201 * bits 15-0 word data 202 * byte: bits 23-8 0x0000 203 * bits 7-0 byte data 204 * 205 * The last resource has id = 0xff and data = 0x000000. 206 */ 207 typedef struct _nubus_rsrc { 208 u_int32_t myloc; 209 u_int8_t id; 210 u_int32_t data; 211 } nubus_rsrc; 212 213 /* Resource IDs for NUBUS_CATEGORY_* (All) */ 214 #define NUBUS_RSRC_TYPE 0x01 /* Type (required) */ 215 #define NUBUS_RSRC_NAME 0x02 /* Name (required) */ 216 #define NUBUS_RSRC_ICON 0x03 /* Icon */ 217 #define NUBUS_RSRC_DRVRDIR 0x04 /* Driver directory */ 218 #define NUBUS_RSRC_LOADREC 0x05 /* Load record for resource */ 219 #define NUBUS_RSRC_BOOTREC 0x06 /* Boot record */ 220 #define NUBUS_RSRC_FLAGS 0x07 /* sResource Flags */ 221 #define NUBUS_RSRC_HWDEVID 0x08 /* Hardware device ID */ 222 #define NUBUS_RSRC_MINOR_BASEOS 0x0A /* Offset to hw in std space */ 223 #define NUBUS_RSRC_MINOR_LENGTH 0x0B /* Length of std space */ 224 #define NUBUS_RSRC_MAJOR_BASEOS 0x0C /* Offset to hw in super space */ 225 #define NUBUS_RSRC_MAJOR_LENGTH 0x0D /* Length of super space */ 226 #define NUBUS_RSRC_CICN 0x0F /* Color icon */ 227 #define NUBUS_RSRC_ICL8 0x10 /* 8-bit icon data */ 228 #define NUBUS_RSRC_ICL4 0x11 /* 4-bit icon data */ 229 230 /* Resource IDs for NUBUS_CATEGORY_DISPLAY */ 231 #define NUBUS_RSRC_GAMMADIR 0x40 /* ID for gamma directory */ 232 #define NUBUS_RSRC_VIDNAMES 0x41 /* ID for video name directory */ 233 #define NUBUS_RSRC_FIRSTMODE 0x80 /* ID for first mode (1-bit) */ 234 #define NUBUS_RSRC_SECONDMODE 0x81 /* ID for 2nd mode (2-bit) */ 235 #define NUBUS_RSRC_THIRDMODE 0x82 /* ID for 3rd mode (4-bit) */ 236 #define NUBUS_RSRC_FOURTHMODE 0x83 /* ID for 4th mode (8-bit) */ 237 #define NUBUS_RSRC_FIFTHMODE 0x84 /* ID for 5th mode (16-bit) */ 238 #define NUBUS_RSRC_SIXTHMODE 0x85 /* ID for 6th mode (32-bit) */ 239 240 /* Resource IDs for NUBUS_CATEGORY_BOARD */ 241 #define NUBUS_RSRC_BOARDID 0x20 /* Board ID */ 242 #define NUBUS_RSRC_PRAMINITDATA 0x21 /* Private board data for PRAM */ 243 #define NUBUS_RSRC_PRIMARYINIT 0x22 /* Primary init record */ 244 #define NUBUS_RSRC_TIMEOUTCONST 0x23 /* Timeout constant */ 245 #define NUBUS_RSRC_VENDORINFO 0x24 /* Vendor info list */ 246 #define NUBUS_RSRC_BOARDFLAGS 0x25 /* Board flags */ 247 #define NUBUS_RSRC_SECONDINIT 0x26 /* Secondary init record */ 248 249 #define NUBUS_RSRC_VEND_ID 0x01 /* Card vendor's design ID */ 250 #define NUBUS_RSRC_VEND_SERIAL 0x02 /* Card's serial number */ 251 #define NUBUS_RSRC_VEND_REV 0x03 /* Card design's revision level */ 252 #define NUBUS_RSRC_VEND_PART 0x04 /* Card part number */ 253 #define NUBUS_RSRC_VEND_DATE 0x05 /* Card revision date */ 254 255 typedef struct _NUBUS_DRIVER { 256 u_int8_t drvr_id; 257 u_int32_t offset; 258 } NUBUS_DRIVER; 259 260 typedef struct _NUBUS_BLOCK { 261 u_int32_t size; /* Size of block of data */ 262 caddr_t data; /* Pointer to data */ 263 } NUBUS_BLOCK; 264 265 typedef struct _NUBUS_EXEC_BLOCK { 266 u_int32_t size; /* Size of total block - 4 */ 267 u_int8_t revision; /* Always 0x2 */ 268 u_int8_t cpu; /* Which processor? */ 269 u_int32_t code_offset; /* Offset base to start of code */ 270 caddr_t code; /* pointer to base of code. */ 271 } NUBUS_EXEC_BLOCK; 272 273 #define NUBUS_EXEC_CPU_68000 1 274 #define NUBUS_EXEC_CPU_68020 2 275 #define NUBUS_EXEC_CPU_68030 3 276 #define NUBUS_EXEC_CPU_68040 4 277 278 #define NUBUS_MIN_SLOT 0x9 279 #define NUBUS_MAX_SLOT 0xE 280 #define NUBUS_ROM_TEST_PATTERN 0x5A932BC7 281 282 #define NUBUS_SLOT2PA(x) (0xf9000000 + \ 283 ((((x) - NUBUS_MIN_SLOT) & 0xf) << 24)) 284 285 struct nubus_attach_args { 286 bus_space_tag_t na_tag; 287 int slot; 288 int rsrcid; 289 u_int16_t category; 290 u_int16_t type; 291 u_int16_t drsw; 292 u_int16_t drhw; 293 nubus_slot *fmt; 294 }; 295 296 struct nubus_softc { 297 struct device sc_dev; 298 }; 299 300 void nubus_get_main_dir __P((nubus_slot *slot, nubus_dir *dir_return)); 301 void nubus_get_dir_from_rsrc __P((nubus_slot *slot, nubus_dirent *dirent, 302 nubus_dir *dir_return)); 303 304 int nubus_find_rsrc __P((bus_space_tag_t, bus_space_handle_t, 305 nubus_slot *slot, nubus_dir *dir, u_int8_t rsrcid, 306 nubus_dirent *dirent_return)); 307 int nubus_get_ind_data __P((bus_space_tag_t, bus_space_handle_t, 308 nubus_slot *slot, nubus_dirent *dirent, 309 caddr_t data_return, int nbytes)); 310 int nubus_get_c_string __P((bus_space_tag_t, bus_space_handle_t, 311 nubus_slot *slot, nubus_dirent *dirent, 312 caddr_t data_return, int max_bytes)); 313 314 char *nubus_get_vendor __P((bus_space_tag_t, bus_space_handle_t, 315 nubus_slot *slot, int rsrc)); 316 char *nubus_get_card_name __P((bus_space_tag_t, bus_space_handle_t, 317 nubus_slot *slot)); 318 #ifdef DEBUG 319 void nubus_scan_slot __P((bus_space_tag_t, int)); 320 #endif 321