297 lines
11 KiB
C
297 lines
11 KiB
C
/* $NetBSD: nubus.h,v 1.39 1998/05/23 22:08:41 briggs Exp $ */
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/*
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* Copyright (c) 1995 Allen Briggs. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Allen Briggs.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Nubus cards in Macintoshes are identified by 4 16-bit numbers:
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* Category: What is the main purpose of this card?
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* Type: Within this overall category, what kind of card?
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* DrSW: What software interface does it use?
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* DrHW: What specific hardware is it?
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*
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* For example, the "Toby Frame Buffer" display card is
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* Category 3 (display)
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* Type 1 (video)
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* DrSW 1 (Apple)
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* and DrHW 1 (TFB).
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*/
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#include <machine/cpu.h>
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#define NUBUS_CATEGORY_BOARD 0x0001
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#define NUBUS_CATEGORY_DISPLAY 0x0003
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#define NUBUS_TYPE_VIDEO 0x0001
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#define NUBUS_TYPE_LCD 0x0002
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#define NUBUS_DRSW_APPLE 0x0001
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#define NUBUS_DRHW_TFB 0x0001 /* Apple Toby Frame Buffer */
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#define NUBUS_DRHW_WVC 0x0006 /* Apple Workstation Video Card */
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#define NUBUS_DRHW_COLORMAX 0x0007 /* Sigma Designs ColorMax */
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#define NUBUS_DRHW_SE30 0x0009 /* Apple SE/30 pseudo-slot video */
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#define NUBUS_DRHW_M2HRVC 0x0013 /* Apple Mac II High-Res Video Card */
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#define NUBUS_DRHW_PVC 0x0017 /* Apple Mac II Portrait Video Card */
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#define NUBUS_DRHW_MDC 0x0019 /* Apple Macintosh Display Card */
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#define NUBUS_DRHW_SUPRGFX 0x0105 /* SuperMac GFX */
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#define NUBUS_DRHW_FORMAC 0x013A /* Formac color card II */
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#define NUBUS_DRHW_CB264 0x013B /* RasterOps ColorBoard 264 */
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#define NUBUS_DRHW_MICRON 0x0146
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#define NUBUS_DRHW_SPECTRM8 0x017b /* SuperMac Spectrum/8 Series III */
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#define NUBUS_DRHW_SPECTRUM 0x017c /* SuperMac Spectrum/24 Series III */
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#define NUBUS_DRHW_VIMAGE 0x026E /* Interware Co., Ltd. Vimage */
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#define NUBUS_DRHW_CB364 0x026F /* RasterOps ColorBoard 364 */
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#define NUBUS_DRHW_RPC8 0x0291 /* Radius PrecisionColor 8 */
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#define NUBUS_DRHW_LAPIS 0x0292 /* SE/30 Lapis ProColorServer 8 PDS */
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#define NUBUS_DRHW_ROPS24LXI 0x02A0 /* RasterOps 8/24 XLi */
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#define NUBUS_DRHW_FUTURASX 0x02AE /* E-Machines Futura-SX */
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#define NUBUS_DRHW_THUNDER24 0x02CB /* SuperMac Thunder/24 */
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#define NUBUS_DRHW_RPC24XP 0x0406 /* Radius PrecisionColor 24Xp */
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#define NUBUS_DRHW_RPC24X 0x040A /* Radius PrecisionColor 24X */
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#define NUBUS_DRHW_RPC8XJ 0x040B /* Radius PrecisionColor 8xj */
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#define NUBUS_DRHW_FIILX 0x0417 /* Futura II LX */
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#define NUBUS_DRHW_FIISXDSP 0x042F /* Futura II SX/DSP */
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/* False DrHW values for video cards masquerading as other cards */
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#define NUBUS_DRHW_SAM768 0x10000 /* Cornerstone/Samsung 768x1006 */
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#define NUBUS_CATEGORY_NETWORK 0x0004
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#define NUBUS_TYPE_ETHERNET 0x0001
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#define NUBUS_DRSW_3COM 0x0000
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#define NUBUS_DRSW_GATOR 0x0103
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#define NUBUS_DRSW_ASANTE 0x0104
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#define NUBUS_DRSW_TECHWORKS 0x0109
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#define NUBUS_DRSW_DAYNA 0x010B
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#define NUBUS_DRSW_FARALLON 0x010C
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#define NUBUS_DRSW_DAYNA2 0x0115
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#define NUBUS_DRSW_FOCUS 0x011A
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#define NUBUS_DRHW_INTERLAN 0x0100
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#define NUBUS_DRHW_KINETICS 0x0106
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#define NUBUS_DRHW_CABLETRON 0x0109
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#define NUBUS_DRHW_ASANTE_LC 0x010F
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#define NUBUS_DRHW_SONIC 0x0110
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#define NUBUS_DRHW_APPLE_SNT 0x0118
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#define NUBUS_DRHW_APPLE_SN 0x0119
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#define NUBUS_CATEGORY_COMMUNICATIONS 0x0006
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#define NUBUS_TYPE_RS232 0x0002
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#define NUBUS_DRSW_HDS 0x0102
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#define NUBUS_DRHW_HDS 0x0102
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#define NUBUS_CATEGORY_FONT 0x0009 /* KanjiTalk Font Card? */
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#define NUBUS_CATEGORY_CPU 0x000A
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#define NUBUS_TYPE_68000 0x0002
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#define NUBUS_TYPE_68020 0x0003
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#define NUBUS_TYPE_68030 0x0004
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#define NUBUS_TYPE_68040 0x0005
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#define NUBUS_CATEGORY_INTBUS 0x000C
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#define NUBUS_TYPE_SCSI 0x0008
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#define NUBUS_DRSW_PLI 0x0108
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#define NUBUS_DRHW_PLI 0x0100
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/*
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* This is the same as Apple's Format Block for a card, with the
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* addition of a pointer to the base of the NuBUS slot.
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*
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* This basically describes a nubus card--this structure is held in the last
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* N bytes of each valid card's declaration ROM.
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*/
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typedef struct _nubus_slot {
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u_long top;
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u_int8_t slot;
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u_int8_t bytelanes;
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u_int8_t step;
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u_int32_t test_pattern;
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u_int8_t format;
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u_int8_t revision_level;
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u_int32_t crc;
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u_int32_t length;
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u_int32_t directory_offset;
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} nubus_slot;
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/*
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* Just a structure to ease comparison of type for drivers, etc.
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*/
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typedef struct _nubus_type {
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u_int16_t category;
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u_int16_t type;
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u_int16_t drsw;
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u_int16_t drhw;
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} nubus_type;
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/*
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* nubus_dir is a structure that describes a nubus directory.
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* The nubus*dir() functions should be used to traverse this.
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*/
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typedef struct _nubus_dir {
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u_int32_t dirbase;
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u_int32_t curr_ent;
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} nubus_dir;
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/*
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* This is the equivalent of an Apple sResource directory entry
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* with the addition of a pointer to itself (essentially) for easy
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* calculation of jump to indirect data.
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*/
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typedef struct _nubus_dirent {
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u_int32_t myloc;
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u_int8_t rsrc_id;
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u_int32_t offset;
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} nubus_dirent;
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/*
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* This is the equivalent of an Apple sResource with the addition of
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* a pointer back to the sResource directory from whence we came.
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*
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* According to the Apple documentation, each sResource is of one of the
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* following forms:
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* all: bits 31-24 Identification number
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*
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* offset: bits 23-0 Offset to long data, cString, sBlock, etc.
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* word: bits 23-16 0x00
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* bits 15-0 word data
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* byte: bits 23-8 0x0000
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* bits 7-0 byte data
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*
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* The last resource has id = 0xff and data = 0x000000.
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*/
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typedef struct _nubus_rsrc {
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u_int32_t myloc;
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u_int8_t id;
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u_int32_t data;
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} nubus_rsrc;
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/* Resource IDs for NUBUS_CATEGORY_* (All) */
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#define NUBUS_RSRC_TYPE 0x01 /* Type (required) */
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#define NUBUS_RSRC_NAME 0x02 /* Name (required) */
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#define NUBUS_RSRC_ICON 0x03 /* Icon */
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#define NUBUS_RSRC_DRVRDIR 0x04 /* Driver directory */
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#define NUBUS_RSRC_LOADREC 0x05 /* Load record for resource */
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#define NUBUS_RSRC_BOOTREC 0x06 /* Boot record */
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#define NUBUS_RSRC_FLAGS 0x07 /* sResource Flags */
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#define NUBUS_RSRC_HWDEVID 0x08 /* Hardware device ID */
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#define NUBUS_RSRC_MINOR_BASEOS 0x0A /* Offset to hw in std space */
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#define NUBUS_RSRC_MINOR_LENGTH 0x0B /* Length of std space */
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#define NUBUS_RSRC_MAJOR_BASEOS 0x0C /* Offset to hw in super space */
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#define NUBUS_RSRC_MAJOR_LENGTH 0x0D /* Length of super space */
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#define NUBUS_RSRC_CICN 0x0F /* Color icon */
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#define NUBUS_RSRC_ICL8 0x10 /* 8-bit icon data */
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#define NUBUS_RSRC_ICL4 0x11 /* 4-bit icon data */
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/* Resource IDs for NUBUS_CATEGORY_DISPLAY */
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#define NUBUS_RSRC_GAMMADIR 0x40 /* ID for gamma directory */
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#define NUBUS_RSRC_VIDNAMES 0x41 /* ID for video name directory */
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#define NUBUS_RSRC_FIRSTMODE 0x80 /* ID for first mode (1-bit) */
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#define NUBUS_RSRC_SECONDMODE 0x81 /* ID for 2nd mode (2-bit) */
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#define NUBUS_RSRC_THIRDMODE 0x82 /* ID for 3rd mode (4-bit) */
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#define NUBUS_RSRC_FOURTHMODE 0x83 /* ID for 4th mode (8-bit) */
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#define NUBUS_RSRC_FIFTHMODE 0x84 /* ID for 5th mode (16-bit) */
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#define NUBUS_RSRC_SIXTHMODE 0x85 /* ID for 6th mode (32-bit) */
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/* Resource IDs for NUBUS_CATEGORY_BOARD */
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#define NUBUS_RSRC_BOARDID 0x20 /* Board ID */
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#define NUBUS_RSRC_PRAMINITDATA 0x21 /* Private board data for PRAM */
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#define NUBUS_RSRC_PRIMARYINIT 0x22 /* Primary init record */
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#define NUBUS_RSRC_TIMEOUTCONST 0x23 /* Timeout constant */
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#define NUBUS_RSRC_VENDORINFO 0x24 /* Vendor info list */
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#define NUBUS_RSRC_BOARDFLAGS 0x25 /* Board flags */
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#define NUBUS_RSRC_SECONDINIT 0x26 /* Secondary init record */
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#define NUBUS_RSRC_VEND_ID 0x01 /* Card vendor's design ID */
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#define NUBUS_RSRC_VEND_SERIAL 0x02 /* Card's serial number */
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#define NUBUS_RSRC_VEND_REV 0x03 /* Card design's revision level */
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#define NUBUS_RSRC_VEND_PART 0x04 /* Card part number */
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#define NUBUS_RSRC_VEND_DATE 0x05 /* Card revision date */
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typedef struct _NUBUS_DRIVER {
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u_int8_t drvr_id;
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u_int32_t offset;
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} NUBUS_DRIVER;
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typedef struct _NUBUS_BLOCK {
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u_int32_t size; /* Size of block of data */
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caddr_t data; /* Pointer to data */
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} NUBUS_BLOCK;
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typedef struct _NUBUS_EXEC_BLOCK {
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u_int32_t size; /* Size of total block - 4 */
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u_int8_t revision; /* Always 0x2 */
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u_int8_t cpu; /* Which processor? */
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u_int32_t code_offset; /* Offset base to start of code */
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caddr_t code; /* pointer to base of code. */
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} NUBUS_EXEC_BLOCK;
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#define NUBUS_EXEC_CPU_68000 1
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#define NUBUS_EXEC_CPU_68020 2
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#define NUBUS_EXEC_CPU_68030 3
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#define NUBUS_EXEC_CPU_68040 4
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#define NUBUS_MIN_SLOT 0x9
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#define NUBUS_MAX_SLOT 0xE
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#define NUBUS_ROM_TEST_PATTERN 0x5A932BC7
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#define NUBUS_SLOT2PA(x) (0xf9000000 + \
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((((x) - NUBUS_MIN_SLOT) & 0xf) << 24))
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struct nubus_attach_args {
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bus_space_tag_t na_tag;
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int slot;
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int rsrcid;
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u_int16_t category;
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u_int16_t type;
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u_int16_t drsw;
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u_int16_t drhw;
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nubus_slot *fmt;
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};
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struct nubus_softc {
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struct device sc_dev;
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};
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void nubus_get_main_dir __P((nubus_slot *slot, nubus_dir *dir_return));
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void nubus_get_dir_from_rsrc __P((nubus_slot *slot, nubus_dirent *dirent,
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nubus_dir *dir_return));
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int nubus_find_rsrc __P((bus_space_tag_t, bus_space_handle_t,
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nubus_slot *slot, nubus_dir *dir, u_int8_t rsrcid,
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nubus_dirent *dirent_return));
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int nubus_get_ind_data __P((bus_space_tag_t, bus_space_handle_t,
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nubus_slot *slot, nubus_dirent *dirent,
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caddr_t data_return, int nbytes));
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int nubus_get_c_string __P((bus_space_tag_t, bus_space_handle_t,
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nubus_slot *slot, nubus_dirent *dirent,
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caddr_t data_return, int max_bytes));
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char *nubus_get_vendor __P((bus_space_tag_t, bus_space_handle_t,
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nubus_slot *slot, int rsrc));
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char *nubus_get_card_name __P((bus_space_tag_t, bus_space_handle_t,
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nubus_slot *slot));
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void nubus_scan_slot __P((bus_space_tag_t, int));
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