/* $NetBSD: nubus.h,v 1.15 1996/12/17 03:56:11 scottr Exp $ */ /* * Copyright (c) 1995 Allen Briggs. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Allen Briggs. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Nubus cards in Macintoshes are identified by 4 16-bit numbers: * Category: What is the main purpose of this card? * Type: Within this overall category, what kind of card? * DrSW: What software interface does it use? * DrHW: What specific hardware is it? * * For example, the "Toby Frame Buffer" display card is * Category 3 (display) * Type 1 (video) * DrSW 1 (Apple) * and DrHW 1 (TFB). */ #include #define NUBUS_CATEGORY_BOARD 0x0001 #define NUBUS_CATEGORY_DISPLAY 0x0003 #define NUBUS_TYPE_VIDEO 0x0001 #define NUBUS_TYPE_LCD 0x0002 #define NUBUS_DRSW_APPLE 0x0001 #define NUBUS_DRHW_TFB 0x0001 #define NUBUS_DRHW_M2HRVC 0x0013 #define NUBUS_DRHW_MICRON 0x0146 #define NUBUS_CATEGORY_NETWORK 0x0004 #define NUBUS_TYPE_ETHERNET 0x0001 #define NUBUS_DRSW_3COM 0x0000 #define NUBUS_DRSW_GATOR 0x0103 #define NUBUS_DRSW_ASANTE 0x0104 #define NUBUS_DRSW_TECHWORKS 0x0109 #define NUBUS_DRSW_FARALLON 0x010C #define NUBUS_DRSW_FOCUS 0x011A #define NUBUS_DRHW_INTERLAN 0x0100 #define NUBUS_DRHW_KINETICS 0x0106 #define NUBUS_DRHW_SONIC 0x0110 #define NUBUS_DRHW_CABLETRON 0x0109 #define NUBUS_CATEGORY_COMMUNICATIONS 0x0006 #define NUBUS_TYPE_RS232 0x0002 #define NUBUS_DRSW_HDS 0x0102 #define NUBUS_DRHW_HDS 0x0102 #define NUBUS_CATEGORY_FONT 0x0009 /* KanjiTalk Font Card? */ #define NUBUS_CATEGORY_CPU 0x000A #define NUBUS_TYPE_68000 0x0002 #define NUBUS_TYPE_68020 0x0003 #define NUBUS_TYPE_68030 0x0004 #define NUBUS_TYPE_68040 0x0005 /* * This is the same as Apple's Format Block for a card, with the * addition of a pointer to the base of the NuBUS slot. * * This basically describes a nubus card--this structure is held in the last * N bytes of each valid card's declaration ROM. */ typedef struct _nubus_slot { u_long top; u_int8_t slot; u_int8_t bytelanes; u_int8_t step; u_int32_t test_pattern; u_int8_t format; u_int8_t revision_level; u_int32_t crc; u_int32_t length; u_int32_t directory_offset; vm_offset_t virtual_base; } nubus_slot; /* * Just a structure to ease comparison of type for drivers, etc. */ typedef struct _nubus_type { u_int16_t category; u_int16_t type; u_int16_t drsw; u_int16_t drhw; } nubus_type; /* * nubus_dir is a structure that describes a nubus directory. * The nubus*dir() functions should be used to traverse this. */ typedef struct _nubus_dir { u_int32_t dirbase; u_int32_t curr_ent; } nubus_dir; /* * This is the equivalent of an Apple sResource directory entry * with the addition of a pointer to itself (essentially) for easy * calculation of jump to indirect data. */ typedef struct _nubus_dirent { u_int32_t myloc; u_int8_t rsrc_id; u_int32_t offset; } nubus_dirent; /* * This is the equivalent of an Apple sResource with the addition of * a pointer back to the sResource directory from whence we came. * * According to the Apple documentation, each sResource is of one of the * following forms: * all: bits 31-24 Identification number * * offset: bits 23-0 Offset to long data, cString, sBlock, etc. * word: bits 23-16 0x00 * bits 15-0 word data * byte: bits 23-8 0x0000 * bits 7-0 byte data * * The last resource has id = 0xff and data = 0x000000. */ typedef struct _nubus_rsrc { u_int32_t myloc; u_int8_t id; u_int32_t data; } nubus_rsrc; /* Resource IDs for NUBUS_CATEGORY_* (All) */ #define NUBUS_RSRC_TYPE 0x01 /* Type (required) */ #define NUBUS_RSRC_NAME 0x02 /* Name (required) */ #define NUBUS_RSRC_ICON 0x03 /* Icon */ #define NUBUS_RSRC_DRVRDIR 0x04 /* Driver directory */ #define NUBUS_RSRC_LOADREC 0x05 /* Load record for resource */ #define NUBUS_RSRC_BOOTREC 0x06 /* Boot record */ #define NUBUS_RSRC_FLAGS 0x07 /* sResource Flags */ #define NUBUS_RSRC_HWDEVID 0x08 /* Hardware device ID */ #define NUBUS_RSRC_MINOR_BASEOS 0x0A /* Offset to hw in std space */ #define NUBUS_RSRC_MINOR_LENGTH 0x0B /* Length of std space */ #define NUBUS_RSRC_MAJOR_BASEOS 0x0C /* Offset to hw in super space */ #define NUBUS_RSRC_MAJOR_LENGTH 0x0D /* Length of super space */ #define NUBUS_RSRC_CICN 0x0F /* Color icon */ #define NUBUS_RSRC_ICL8 0x10 /* 8-bit icon data */ #define NUBUS_RSRC_ICL4 0x11 /* 4-bit icon data */ /* Resource IDs for NUBUS_CATEGORY_DISPLAY */ #define NUBUS_RSRC_GAMMADIR 0x40 /* ID for gamma directory */ #define NUBUS_RSRC_VIDNAMES 0x41 /* ID for video name directory */ #define NUBUS_RSRC_FIRSTMODE 0x80 /* ID for first mode (1-bit) */ #define NUBUS_RSRC_SECONDMODE 0x81 /* ID for 2nd mode (2-bit) */ #define NUBUS_RSRC_THIRDMODE 0x82 /* ID for 3rd mode (4-bit) */ #define NUBUS_RSRC_FOURTHMODE 0x83 /* ID for 4th mode (8-bit) */ #define NUBUS_RSRC_FIFTHMODE 0x84 /* ID for 5th mode (16-bit) */ #define NUBUS_RSRC_SIXTHMODE 0x85 /* ID for 6th mode (32-bit) */ /* Resource IDs for NUBUS_CATEGORY_BOARD */ #define NUBUS_RSRC_BOARDID 0x20 /* Board ID */ #define NUBUS_RSRC_PRAMINITDATA 0x21 /* Private board data for PRAM */ #define NUBUS_RSRC_PRIMARYINIT 0x22 /* Primary init record */ #define NUBUS_RSRC_TIMEOUTCONST 0x23 /* Timeout constant */ #define NUBUS_RSRC_VENDORINFO 0x24 /* Vendor info list */ #define NUBUS_RSRC_BOARDFLAGS 0x25 /* Board flags */ #define NUBUS_RSRC_SECONDINIT 0x26 /* Secondary init record */ #define NUBUS_RSRC_VEND_ID 0x01 /* Card vendor's design ID */ #define NUBUS_RSRC_VEND_SERIAL 0x02 /* Card's serial number */ #define NUBUS_RSRC_VEND_REV 0x03 /* Card design's revision level */ #define NUBUS_RSRC_VEND_PART 0x04 /* Card part number */ #define NUBUS_RSRC_VEND_DATE 0x05 /* Card revision date */ typedef struct _NUBUS_DRIVER { u_int8_t drvr_id; u_int32_t offset; } NUBUS_DRIVER; typedef struct _NUBUS_BLOCK { u_int32_t size; /* Size of block of data */ caddr_t data; /* Pointer to data */ } NUBUS_BLOCK; typedef struct _NUBUS_EXEC_BLOCK { u_int32_t size; /* Size of total block - 4 */ u_int8_t revision; /* Always 0x2 */ u_int8_t cpu; /* Which processor? */ u_int32_t code_offset; /* Offset base to start of code */ caddr_t code; /* pointer to base of code. */ } NUBUS_EXEC_BLOCK; #define NUBUS_EXEC_CPU_68000 1 #define NUBUS_EXEC_CPU_68020 2 #define NUBUS_EXEC_CPU_68030 3 #define NUBUS_EXEC_CPU_68040 4 #define NUBUS_MIN_SLOT 0x9 #define NUBUS_MAX_SLOT 0xE #define NUBUS_ROM_TEST_PATTERN 0x5A932BC7 #define NUBUS_SLOT_TO_PADDR(x) ( 0xF9000000 + \ ((((x)-NUBUS_MIN_SLOT) & 0xF) << 24)) struct nubus_attach_args { int slot; int rsrcid; u_int16_t category; u_int16_t type; u_int16_t drsw; u_int16_t drhw; nubus_slot *fmt; }; struct nubus_softc { struct device sc_dev; }; void nubus_get_main_dir __P((nubus_slot *slot, nubus_dir *dir_return)); int nubus_find_rsrc __P((nubus_slot *slot, nubus_dir *dir, u_int8_t rsrcid, nubus_dirent *dirent_return)); void nubus_get_dir_from_rsrc __P((nubus_slot *slot, nubus_dirent *dirent, nubus_dir *dir_return)); int nubus_get_ind_data __P((nubus_slot *slot, nubus_dirent *dirent, caddr_t data_return, int nbytes)); int nubus_get_c_string __P((nubus_slot *slot, nubus_dirent *dirent, caddr_t data_return, int max_bytes)); char *nubus_get_vendor __P((nubus_slot *slot, int rsrc)); char *nubus_get_card_name __P((nubus_slot *slot));