nubus.h revision 1.21
1 /* $NetBSD: nubus.h,v 1.21 1997/04/10 03:25:02 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_M2HRVC 0x0013 /* Apple Mac II High-Res Video Card */ 57 #define NUBUS_DRHW_CB264 0x013B /* RasterOps ColorBoard 264 */ 58 #define NUBUS_DRHW_MICRON 0x0146 59 #define NUBUS_DRHW_THUNDER24 0x02CB /* SuperMac Thunder/24 */ 60 61 /* False DrHW values for video cards masquerading as other cards */ 62 #define NUBUS_DRHW_SAM768 0x10000 /* Cornerstone/Samsung 768x1006 */ 63 64 #define NUBUS_CATEGORY_NETWORK 0x0004 65 #define NUBUS_TYPE_ETHERNET 0x0001 66 #define NUBUS_DRSW_3COM 0x0000 67 #define NUBUS_DRSW_GATOR 0x0103 68 #define NUBUS_DRSW_ASANTE 0x0104 69 #define NUBUS_DRSW_TECHWORKS 0x0109 70 #define NUBUS_DRSW_DAYNA 0x010B 71 #define NUBUS_DRSW_FARALLON 0x010C 72 #define NUBUS_DRSW_FOCUS 0x011A 73 #define NUBUS_DRHW_INTERLAN 0x0100 74 #define NUBUS_DRHW_KINETICS 0x0106 75 #define NUBUS_DRHW_CABLETRON 0x0109 76 #define NUBUS_DRHW_SONIC 0x0110 77 #define NUBUS_DRHW_APPLE_SN 0x0119 78 79 #define NUBUS_CATEGORY_COMMUNICATIONS 0x0006 80 #define NUBUS_TYPE_RS232 0x0002 81 #define NUBUS_DRSW_HDS 0x0102 82 #define NUBUS_DRHW_HDS 0x0102 83 84 #define NUBUS_CATEGORY_FONT 0x0009 /* KanjiTalk Font Card? */ 85 86 #define NUBUS_CATEGORY_CPU 0x000A 87 #define NUBUS_TYPE_68000 0x0002 88 #define NUBUS_TYPE_68020 0x0003 89 #define NUBUS_TYPE_68030 0x0004 90 #define NUBUS_TYPE_68040 0x0005 91 92 /* 93 * This is the same as Apple's Format Block for a card, with the 94 * addition of a pointer to the base of the NuBUS slot. 95 * 96 * This basically describes a nubus card--this structure is held in the last 97 * N bytes of each valid card's declaration ROM. 98 */ 99 typedef struct _nubus_slot { 100 u_long top; 101 u_int8_t slot; 102 u_int8_t bytelanes; 103 u_int8_t step; 104 u_int32_t test_pattern; 105 u_int8_t format; 106 u_int8_t revision_level; 107 u_int32_t crc; 108 u_int32_t length; 109 u_int32_t directory_offset; 110 vm_offset_t virtual_base; 111 } nubus_slot; 112 113 /* 114 * Just a structure to ease comparison of type for drivers, etc. 115 */ 116 typedef struct _nubus_type { 117 u_int16_t category; 118 u_int16_t type; 119 u_int16_t drsw; 120 u_int16_t drhw; 121 } nubus_type; 122 123 /* 124 * nubus_dir is a structure that describes a nubus directory. 125 * The nubus*dir() functions should be used to traverse this. 126 */ 127 typedef struct _nubus_dir { 128 u_int32_t dirbase; 129 u_int32_t curr_ent; 130 } nubus_dir; 131 132 /* 133 * This is the equivalent of an Apple sResource directory entry 134 * with the addition of a pointer to itself (essentially) for easy 135 * calculation of jump to indirect data. 136 */ 137 typedef struct _nubus_dirent { 138 u_int32_t myloc; 139 u_int8_t rsrc_id; 140 u_int32_t offset; 141 } nubus_dirent; 142 143 /* 144 * This is the equivalent of an Apple sResource with the addition of 145 * a pointer back to the sResource directory from whence we came. 146 * 147 * According to the Apple documentation, each sResource is of one of the 148 * following forms: 149 * all: bits 31-24 Identification number 150 * 151 * offset: bits 23-0 Offset to long data, cString, sBlock, etc. 152 * word: bits 23-16 0x00 153 * bits 15-0 word data 154 * byte: bits 23-8 0x0000 155 * bits 7-0 byte data 156 * 157 * The last resource has id = 0xff and data = 0x000000. 158 */ 159 typedef struct _nubus_rsrc { 160 u_int32_t myloc; 161 u_int8_t id; 162 u_int32_t data; 163 } nubus_rsrc; 164 165 /* Resource IDs for NUBUS_CATEGORY_* (All) */ 166 #define NUBUS_RSRC_TYPE 0x01 /* Type (required) */ 167 #define NUBUS_RSRC_NAME 0x02 /* Name (required) */ 168 #define NUBUS_RSRC_ICON 0x03 /* Icon */ 169 #define NUBUS_RSRC_DRVRDIR 0x04 /* Driver directory */ 170 #define NUBUS_RSRC_LOADREC 0x05 /* Load record for resource */ 171 #define NUBUS_RSRC_BOOTREC 0x06 /* Boot record */ 172 #define NUBUS_RSRC_FLAGS 0x07 /* sResource Flags */ 173 #define NUBUS_RSRC_HWDEVID 0x08 /* Hardware device ID */ 174 #define NUBUS_RSRC_MINOR_BASEOS 0x0A /* Offset to hw in std space */ 175 #define NUBUS_RSRC_MINOR_LENGTH 0x0B /* Length of std space */ 176 #define NUBUS_RSRC_MAJOR_BASEOS 0x0C /* Offset to hw in super space */ 177 #define NUBUS_RSRC_MAJOR_LENGTH 0x0D /* Length of super space */ 178 #define NUBUS_RSRC_CICN 0x0F /* Color icon */ 179 #define NUBUS_RSRC_ICL8 0x10 /* 8-bit icon data */ 180 #define NUBUS_RSRC_ICL4 0x11 /* 4-bit icon data */ 181 182 /* Resource IDs for NUBUS_CATEGORY_DISPLAY */ 183 #define NUBUS_RSRC_GAMMADIR 0x40 /* ID for gamma directory */ 184 #define NUBUS_RSRC_VIDNAMES 0x41 /* ID for video name directory */ 185 #define NUBUS_RSRC_FIRSTMODE 0x80 /* ID for first mode (1-bit) */ 186 #define NUBUS_RSRC_SECONDMODE 0x81 /* ID for 2nd mode (2-bit) */ 187 #define NUBUS_RSRC_THIRDMODE 0x82 /* ID for 3rd mode (4-bit) */ 188 #define NUBUS_RSRC_FOURTHMODE 0x83 /* ID for 4th mode (8-bit) */ 189 #define NUBUS_RSRC_FIFTHMODE 0x84 /* ID for 5th mode (16-bit) */ 190 #define NUBUS_RSRC_SIXTHMODE 0x85 /* ID for 6th mode (32-bit) */ 191 192 /* Resource IDs for NUBUS_CATEGORY_BOARD */ 193 #define NUBUS_RSRC_BOARDID 0x20 /* Board ID */ 194 #define NUBUS_RSRC_PRAMINITDATA 0x21 /* Private board data for PRAM */ 195 #define NUBUS_RSRC_PRIMARYINIT 0x22 /* Primary init record */ 196 #define NUBUS_RSRC_TIMEOUTCONST 0x23 /* Timeout constant */ 197 #define NUBUS_RSRC_VENDORINFO 0x24 /* Vendor info list */ 198 #define NUBUS_RSRC_BOARDFLAGS 0x25 /* Board flags */ 199 #define NUBUS_RSRC_SECONDINIT 0x26 /* Secondary init record */ 200 201 #define NUBUS_RSRC_VEND_ID 0x01 /* Card vendor's design ID */ 202 #define NUBUS_RSRC_VEND_SERIAL 0x02 /* Card's serial number */ 203 #define NUBUS_RSRC_VEND_REV 0x03 /* Card design's revision level */ 204 #define NUBUS_RSRC_VEND_PART 0x04 /* Card part number */ 205 #define NUBUS_RSRC_VEND_DATE 0x05 /* Card revision date */ 206 207 typedef struct _NUBUS_DRIVER { 208 u_int8_t drvr_id; 209 u_int32_t offset; 210 } NUBUS_DRIVER; 211 212 typedef struct _NUBUS_BLOCK { 213 u_int32_t size; /* Size of block of data */ 214 caddr_t data; /* Pointer to data */ 215 } NUBUS_BLOCK; 216 217 typedef struct _NUBUS_EXEC_BLOCK { 218 u_int32_t size; /* Size of total block - 4 */ 219 u_int8_t revision; /* Always 0x2 */ 220 u_int8_t cpu; /* Which processor? */ 221 u_int32_t code_offset; /* Offset base to start of code */ 222 caddr_t code; /* pointer to base of code. */ 223 } NUBUS_EXEC_BLOCK; 224 225 #define NUBUS_EXEC_CPU_68000 1 226 #define NUBUS_EXEC_CPU_68020 2 227 #define NUBUS_EXEC_CPU_68030 3 228 #define NUBUS_EXEC_CPU_68040 4 229 230 #define NUBUS_MIN_SLOT 0x9 231 #define NUBUS_MAX_SLOT 0xE 232 #define NUBUS_ROM_TEST_PATTERN 0x5A932BC7 233 234 #define NUBUS_SLOT2PA(x) (0xf9000000 + \ 235 ((((x) - NUBUS_MIN_SLOT) & 0xf) << 24)) 236 237 struct nubus_attach_args { 238 bus_space_tag_t na_tag; 239 int slot; 240 int rsrcid; 241 u_int16_t category; 242 u_int16_t type; 243 u_int16_t drsw; 244 u_int16_t drhw; 245 nubus_slot *fmt; 246 }; 247 248 struct nubus_softc { 249 struct device sc_dev; 250 }; 251 252 void nubus_get_main_dir __P((nubus_slot *slot, nubus_dir *dir_return)); 253 int nubus_find_rsrc __P((nubus_slot *slot, nubus_dir *dir, u_int8_t rsrcid, 254 nubus_dirent *dirent_return)); 255 void nubus_get_dir_from_rsrc __P((nubus_slot *slot, nubus_dirent *dirent, 256 nubus_dir *dir_return)); 257 int nubus_get_ind_data __P((nubus_slot *slot, nubus_dirent *dirent, 258 caddr_t data_return, int nbytes)); 259 int nubus_get_c_string __P((nubus_slot *slot, nubus_dirent *dirent, 260 caddr_t data_return, int max_bytes)); 261 char *nubus_get_vendor __P((nubus_slot *slot, int rsrc)); 262 char *nubus_get_card_name __P((nubus_slot *slot)); 263 264
Indexes created Tue Sep 30 17:09:57 GMT 2025