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/* $OpenBSD: nubus.h,v 1.8 1997/03/29 23:20:43 briggs Exp $ */
/* $NetBSD: nubus.h,v 1.17 1997/02/24 06:20:07 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 <machine/cpu.h>
#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_WVC 0x0006
#define NUBUS_DRHW_M2HRVC 0x0013
#define NUBUS_DRHW_MICRON 0x0146
/* False DrHW values for video cards masquerading as other cards */
#define NUBUS_DRHW_SAM768 0x10000 /* Cornerstone/Samsung 768x1006 */
#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_DAYNA 0x010B
#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_SLOT2PA(x) (0xf9000000 + \
((((x) - NUBUS_MIN_SLOT) & 0xf) << 24))
struct nubus_attach_args {
bus_space_tag_t na_tag;
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));
char *nubus_mapin __P((int paddr, int sz));
int paddr, sz;
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