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nubus.h revision 1.64
      1 /*	$NetBSD: nubus.h,v 1.64 2007/03/07 13:54:50 tsutsui 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 #define  NUBUS_TYPE_BOARD	0x0000	/* We want these for minimal board */
     50 #define   NUBUS_DRSW_BOARD	0x0000	/* ROMs that come with nothing but */
     51 #define    NUBUS_DRHW_BOARD	0x0000	/* a board resource (old NI_GPIB) */
     52 
     53 #define NUBUS_CATEGORY_DISPLAY	0x0003
     54 #define  NUBUS_TYPE_VIDEO	0x0001
     55 #define  NUBUS_TYPE_LCD		0x0002
     56 #define   NUBUS_DRSW_APPLE	0x0001
     57 #define    NUBUS_DRHW_TFB	0x0001	/* Apple Toby Frame Buffer */
     58 #define    NUBUS_DRHW_BAER	0x0002  /* Formac ProNitron 80.IVb */
     59 #define    NUBUS_DRHW_WVC	0x0006	/* Apple Workstation Video Card */
     60 #define	   NUBUS_DRHW_COLORMAX	0x0007	/* Sigma Designs ColorMax */
     61 #define    NUBUS_DRHW_SE30	0x0009	/* Apple SE/30 pseudo-slot video */
     62 #define    NUBUS_DRHW_M2HRVC	0x0013	/* Apple Mac II High-Res Video Card */
     63 #define    NUBUS_DRHW_MVC	0x0014	/* Apple Mac II Monochrome Video Card */
     64 #define    NUBUS_DRHW_PVC	0x0017	/* Apple Mac II Portrait Video Card */
     65 #define    NUBUS_DRHW_MDC	0x0019	/* Apple Macintosh Display Card */
     66 #define    NUBUS_DRHW_VSC	0x0020	/* Apple Macintosh Duo MiniDock */
     67 #define    NUBUS_DRHW_JET	0x0029	/* Apple Macintosh DuoDock II */
     68 #define    NUBUS_DRHW_BOOGIE	0x002b	/* Apple Macintosh 24AC Video Card */
     69 #define    NUBUS_DRHW_VILTRO340	0x0102	/* VillageTronic Mac Picasso 340 */
     70 #define    NUBUS_DRHW_SUPRGFX	0x0105	/* SuperMac GFX */
     71 #define    NUBUS_DRHW_RELAX200	0x0131  /* Relax 19" Model 200 */
     72 #define    NUBUS_DRHW_FORMAC	0x013A	/* Formac color card II */
     73 #define    NUBUS_DRHW_CB264	0x013B	/* RasterOps ColorBoard 264 */
     74 #define    NUBUS_DRHW_MICRON	0x0146	/* Micron Exceed color */
     75 #define    NUBUS_DRHW_RADGSC	0x0153	/* Radius GS/C */
     76 #define    NUBUS_DRHW_SPECTRM8	0x017b	/* SuperMac Spectrum/8  Series III */
     77 #define    NUBUS_DRHW_SPECTRUM	0x017c	/* SuperMac Spectrum/24 Series III */
     78 #define    NUBUS_DRHW_VIMAGE	0x026E	/* Interware Co., Ltd. Vimage */
     79 #define    NUBUS_DRHW_CB364	0x026F	/* RasterOps ColorBoard 364 */
     80 #define    NUBUS_DRHW_LVIEW	0x0278	/* Sigma Designs L-View */
     81 #define    NUBUS_DRHW_RDCGX	0x027C	/* Radius DirectColor/GX */
     82 #define	   NUBUS_DRHW_RPC8	0x0291	/* Radius PrecisionColor 8 */
     83 #define	   NUBUS_DRHW_LAPIS	0x0292	/* SE/30 Lapis ProColorServer 8 PDS */
     84 #define	   NUBUS_DRHW_ROPS24LXI	0x02A0	/* RasterOps 8/24 XLi */
     85 #define	   NUBUS_DRHW_ROPSPPGT	0x02A5	/* RasterOps PaintBoard Prism GT 1.0 */
     86 #define    NUBUS_DRHW_FUTURASX	0x02AE	/* E-Machines Futura-SX */
     87 #define    NUBUS_DRHW_ROPS24XLTV 0x02B7	/* RasterOps 24XlTV */
     88 #define    NUBUS_DRHW_THUNDER24	0x02CB	/* SuperMac Thunder/24 */
     89 #define    NUBUS_DRHW_ROPS24MXTV 0x03DF	/* RasterOps 24MxTV */
     90 #define    NUBUS_DRHW_GVIMAGE	0x03FB	/* Interware Co., Ltd. Grand Vimage */
     91 #define	   NUBUS_DRHW_RPC24XP	0x0406	/* Radius PrecisionColor 24Xp */
     92 #define	   NUBUS_DRHW_RPC24X	0x040A	/* Radius PrecisionColor 24X */
     93 #define	   NUBUS_DRHW_RPC8XJ	0x040B	/* Radius PrecisionColor 8xj */
     94 #define	   NUBUS_DRHW_FIILX	0x0417	/* Futura II LX */
     95 #define	   NUBUS_DRHW_FIISXDSP	0x042F	/* Futura II SX/DSP */
     96 #define	   NUBUS_DRHW_MC2124NB	0x0462	/* MicroConversions 2124NB II */
     97 
     98 /* False DrHW values for video cards masquerading as other cards */
     99 #define    NUBUS_DRHW_SAM768	0x10000	/* Cornerstone/Samsung 768x1006 */
    100 
    101 #define NUBUS_CATEGORY_NETWORK	0x0004
    102 #define  NUBUS_TYPE_ETHERNET	0x0001
    103 #define   NUBUS_DRSW_3COM	0x0000
    104 #define   NUBUS_DRSW_CABLETRON	0x0001
    105 #define   NUBUS_DRSW_GATOR	0x0103
    106 #define   NUBUS_DRSW_ASANTE	0x0104
    107 #define   NUBUS_DRSW_TECHWORKS	0x0109
    108 #define	  NUBUS_DRSW_DAYNA	0x010B
    109 #define   NUBUS_DRSW_FARALLON	0x010C
    110 #define   NUBUS_DRSW_DAYNA2	0x0115
    111 #define   NUBUS_DRSW_FOCUS	0x011A
    112 #define   NUBUS_DRSW_ASANTEF	0x011D
    113 #define   NUBUS_DRSW_TFLLAN	0x011E
    114 #define    NUBUS_DRHW_INTERLAN	0x0100
    115 #define    NUBUS_DRHW_ASANTEF	0x0101
    116 #define    NUBUS_DRHW_KINETICS	0x0106
    117 #define    NUBUS_DRHW_CABLETRON	0x0109
    118 #define    NUBUS_DRHW_NUVOLINK	0x010B
    119 #define    NUBUS_DRHW_ASANTE_LC	0x010F
    120 #define    NUBUS_DRHW_SONIC	0x0110
    121 #define    NUBUS_DRHW_TECHWORKS	0x0112
    122 #define    NUBUS_DRHW_APPLE_SNT	0x0118
    123 #define    NUBUS_DRHW_APPLE_SN	0x0119
    124 
    125 #define NUBUS_CATEGORY_COMMUNICATIONS	0x0006
    126 #define  NUBUS_TYPE_RS232	0x0002
    127 #define  NUBUS_TYPE_IEEE488	0x0004
    128 #define  NUBUS_TYPE_CENTRONICS	0x000B
    129 #define  NUBUS_TYPE_BECTDIC	0x002E
    130 #define   NUBUS_DRSW_BECTDIC	0x0100
    131 #define   NUBUS_DRSW_CPI	0x0100
    132 #define   NUBUS_DRSW_HDS	0x0102
    133 #define   NUBUS_DRSW_NI488	0x0104
    134 #define    NUBUS_DRHW_BECTDIC	0x0100	/* Becton Dickinson Acquisition Card */
    135 #define    NUBUS_DRHW_CPI	0x0100	/* Creative Solutions parallel */
    136 #define    NUBUS_DRHW_HDS	0x0102	/* Creative Solutions 2x serial */
    137 #define    NUBUS_DRHW_NBGPIBTNT	0x0102	/* National Instruments NB-GPIB/TNT */
    138 
    139 #define NUBUS_CATEGORY_MEMORY	0x0009	/* Also KanjiTalk Font Card? */
    140 #define  NUBUS_TYPE_RAMCACHE	0x010C	/* From Apple PDS card */
    141 #define   NUBUS_DRSW_AWGSPDS	0x0100
    142 #define    NUBUS_DRHW_AWGSPDS	0x0100
    143 
    144 #define NUBUS_CATEGORY_CPU	0x000A
    145 #define  NUBUS_TYPE_68000	0x0002
    146 #define  NUBUS_TYPE_68020	0x0003
    147 #define  NUBUS_TYPE_68030	0x0004
    148 #define  NUBUS_TYPE_68040	0x0005
    149 #define  NUBUS_TYPE_MX		0x0009	/* TI microExplorer */
    150 
    151 #define NUBUS_CATEGORY_INTBUS		0x000C
    152 #define  NUBUS_TYPE_SCSI		0x0008
    153 #define   NUBUS_DRSW_AWGSPDS_SCSI	0x0006
    154 #define    NUBUS_DRHW_AWGSPDS_SCSI	0x0100
    155 #define   NUBUS_DRSW_PLI		0x0108
    156 #define    NUBUS_DRHW_PLI		0x0100
    157 #define  NUBUS_TYPE_SCSIW	0x000B  /* FWB JackHammer Fast/Wide */
    158 #define   NUBUS_DRSW_FWB	0x0001	/* XXX Allen says 0x010C */
    159 #define    NUBUS_DRHW_FWB		0x0100
    160 
    161 #define NUBUS_CATEGORY_DOCK	0x0020
    162 #define  NUBUS_TYPE_STATION	0x0001
    163 #define  NUBUS_TYPE_DESK	0x0002
    164 #define  NUBUS_TYPE_TRAVEL	0x0003
    165 /* #define   NUBUS_DRSW_APPLE	0x0001 */
    166 #define   NUBUS_DRSW_NEWERTECH	0x0101
    167 
    168 /* Station */
    169 #define    NUBUS_DRHW_DUODOCK	0x0001	/* Apple DuoDock */
    170 #define    NUBUS_DRHW_DUODOCKII	0x0002	/* Apple DuoDock II */
    171 
    172 /* Desk */
    173 #define    NUBUS_DRHW_DUOMINIDOCK 0x0001 /* Apple Duo MiniDock */
    174 
    175 /* Travel */
    176 #define	   NUBUS_DRHW_MICROSCSI 0x0100	/* Newer Technology  SCSI MicroDock */
    177 
    178 
    179 /*
    180  * This is the same as Apple's Format Block for a card, with the
    181  * addition of a pointer to the base of the NuBUS slot.
    182  *
    183  * This basically describes a nubus card--this structure is held in the last
    184  * N bytes of each valid card's declaration ROM.
    185  */
    186 typedef struct _nubus_slot {
    187 	u_long		top;
    188 	u_int8_t	slot;
    189 	u_int8_t	bytelanes;
    190 	u_int8_t	step;
    191 	u_int32_t	test_pattern;
    192 	u_int8_t	format;
    193 	u_int8_t	revision_level;
    194 	u_int32_t	crc;
    195 	u_int32_t	length;
    196 	u_int32_t	directory_offset;
    197 } nubus_slot;
    198 
    199 /*
    200  * Just a structure to ease comparison of type for drivers, etc.
    201  */
    202 typedef struct _nubus_type {
    203 	u_int16_t	category;
    204 	u_int16_t	type;
    205 	u_int16_t	drsw;
    206 	u_int16_t	drhw;
    207 } nubus_type;
    208 
    209 /*
    210  * nubus_dir is a structure that describes a nubus directory.
    211  * The nubus*dir() functions should be used to traverse this.
    212  */
    213 typedef struct _nubus_dir {
    214 	u_int32_t	dirbase;
    215 	u_int32_t	curr_ent;
    216 } nubus_dir;
    217 
    218 /*
    219  * This is the equivalent of an Apple sResource directory entry
    220  * with the addition of a pointer to itself (essentially) for easy
    221  * calculation of jump to indirect data.
    222  */
    223 typedef struct _nubus_dirent {
    224 	u_int32_t	myloc;
    225 	u_int8_t	rsrc_id;
    226 	u_int32_t	offset;
    227 } nubus_dirent;
    228 
    229 /*
    230  * This is the equivalent of an Apple sResource with the addition of
    231  * a pointer back to the sResource directory from whence we came.
    232  *
    233  * According to the Apple documentation, each sResource is of one of the
    234  * following forms:
    235  *	all:	bits 31-24	Identification number
    236  *
    237  *	offset:	bits 23-0	Offset to long data, cString, sBlock, etc.
    238  *	word:	bits 23-16	0x00
    239  *		bits 15-0	word data
    240  *	byte:	bits 23-8	0x0000
    241  *		bits 7-0	byte data
    242  *
    243  * The last resource has id = 0xff and data = 0x000000.
    244  */
    245 typedef struct _nubus_rsrc {
    246 	u_int32_t	myloc;
    247 	u_int8_t	id;
    248 	u_int32_t	data;
    249 } nubus_rsrc;
    250 
    251 /*
    252  * On a NuBus master, an sMemory resource (this is a second-level
    253  * resource list) holds a list of address ranges for onboard
    254  * RAM, ROM and IO resources.
    255  */
    256 typedef struct _nubus_smem_range {
    257 	u_int32_t	length;
    258 	u_int32_t	offset;
    259 } nubus_smem_range;
    260 
    261 /*
    262  * XXX This is mapped on the range list we get back out of the sMemory
    263  * resources. I would have liked the range[] array to be of undefined
    264  * size but the compiler does not let me.
    265  * Maybe it's just too much grief, and we should work with an array
    266  * of u_int32_t.
    267  */
    268 typedef struct _nubus_smem_rangelist {
    269 	u_int32_t		length;
    270 	nubus_smem_range	range[1];
    271 } nubus_smem_rangelist;
    272 
    273 
    274 /* Resource IDs for NUBUS_CATEGORY_* (All) */
    275 #define NUBUS_RSRC_TYPE		0x01	/* Type (required)		*/
    276 #define NUBUS_RSRC_NAME		0x02	/* Name (required)		*/
    277 #define NUBUS_RSRC_ICON		0x03	/* Icon				*/
    278 #define NUBUS_RSRC_DRVRDIR	0x04	/* Driver directory		*/
    279 #define NUBUS_RSRC_LOADREC	0x05	/* Load record for resource	*/
    280 #define NUBUS_RSRC_BOOTREC	0x06	/* Boot record			*/
    281 #define NUBUS_RSRC_FLAGS	0x07	/* sResource Flags		*/
    282 #define NUBUS_RSRC_HWDEVID	0x08	/* Hardware device ID		*/
    283 #define NUBUS_RSRC_MINOR_BASEOS	0x0A	/* Offset to hw in std space	*/
    284 #define NUBUS_RSRC_MINOR_LENGTH	0x0B	/* Length of std space		*/
    285 #define NUBUS_RSRC_MAJOR_BASEOS	0x0C	/* Offset to hw in super space	*/
    286 #define NUBUS_RSRC_MAJOR_LENGTH	0x0D	/* Length of super space	*/
    287 #define NUBUS_RSRC_CICN		0x0F	/* Color icon			*/
    288 #define NUBUS_RSRC_ICL8		0x10	/* 8-bit icon data		*/
    289 #define NUBUS_RSRC_ICL4		0x11	/* 4-bit icon data		*/
    290 #define NUBUS_RSRC_SMEMORY	0x6C	/* Resource list for master	*/
    291 
    292 /* Resource IDs for NUBUS_CATEGORY_DISPLAY */
    293 #define NUBUS_RSRC_GAMMADIR	0x40	/* ID for gamma directory	*/
    294 #define NUBUS_RSRC_VIDNAMES	0x41	/* ID for video name directory	*/
    295 #define NUBUS_RSRC_FIRSTMODE	0x80	/* ID for first mode (1-bit)	*/
    296 #define NUBUS_RSRC_SECONDMODE	0x81	/* ID for 2nd mode (2-bit)	*/
    297 #define NUBUS_RSRC_THIRDMODE	0x82	/* ID for 3rd mode (4-bit)	*/
    298 #define NUBUS_RSRC_FOURTHMODE	0x83	/* ID for 4th mode (8-bit)	*/
    299 #define NUBUS_RSRC_FIFTHMODE	0x84	/* ID for 5th mode (16-bit)	*/
    300 #define NUBUS_RSRC_SIXTHMODE	0x85	/* ID for 6th mode (32-bit)	*/
    301 
    302 /* Resource IDs for NUBUS_CATEGORY_BOARD */
    303 #define NUBUS_RSRC_BOARDID	0x20	/* Board ID			*/
    304 #define NUBUS_RSRC_PRAMINITDATA	0x21	/* Private board data for PRAM	*/
    305 #define NUBUS_RSRC_PRIMARYINIT	0x22	/* Primary init record		*/
    306 #define NUBUS_RSRC_TIMEOUTCONST	0x23	/* Timeout constant		*/
    307 #define NUBUS_RSRC_VENDORINFO	0x24	/* Vendor info list		*/
    308 #define NUBUS_RSRC_BOARDFLAGS	0x25	/* Board flags			*/
    309 #define NUBUS_RSRC_SECONDINIT	0x26	/* Secondary init record	*/
    310 
    311 #define NUBUS_RSRC_VEND_ID	0x01	/* Card vendor's design ID	*/
    312 #define NUBUS_RSRC_VEND_SERIAL	0x02	/* Card's serial number		*/
    313 #define NUBUS_RSRC_VEND_REV	0x03	/* Card design's revision level	*/
    314 #define NUBUS_RSRC_VEND_PART	0x04	/* Card part number		*/
    315 #define NUBUS_RSRC_VEND_DATE	0x05	/* Card revision date		*/
    316 
    317 /* Resource IDs for NUBUS_RSRC_SMEMORY master sMemory resource list */
    318 #define NUBUS_RSRC_SMEM_MINOR_RAMADDR	0x80	/* Minor RAM address ranges */
    319 #define NUBUS_RSRC_SMEM_MAJOR_RAMADDR	0x81	/* Major RAM address ranges */
    320 #define NUBUS_RSRC_SMEM_MINOR_ROMADDR	0x82	/* Minor ROM address ranges */
    321 #define NUBUS_RSRC_SMEM_MAJOR_ROMADDR	0x83	/* Major ROM address ranges */
    322 #define NUBUS_RSRC_SMEM_MINOR_DEVADDR	0x84	/* Minor device address ranges */
    323 #define NUBUS_RSRC_SMEM_MAJOR_DEVADDR	0x85	/* Major device address ranges */
    324 
    325 
    326 typedef struct _NUBUS_DRIVER {
    327 	u_int8_t	drvr_id;
    328 	u_int32_t	offset;
    329 } NUBUS_DRIVER;
    330 
    331 typedef struct _NUBUS_BLOCK {
    332 	u_int32_t	size;		/* Size of block of data	*/
    333 	void *		data;		/* Pointer to data		*/
    334 } NUBUS_BLOCK;
    335 
    336 typedef struct _NUBUS_EXEC_BLOCK {
    337 	u_int32_t	size;		/* Size of total block - 4 	*/
    338 	u_int8_t	revision;	/* Always 0x2			*/
    339 	u_int8_t	cpu;		/* Which processor?		*/
    340 	u_int32_t	code_offset;	/* Offset base to start of code	*/
    341 	void *		code;		/* pointer to base of code.	*/
    342 } NUBUS_EXEC_BLOCK;
    343 
    344 #define NUBUS_EXEC_CPU_68000	1
    345 #define NUBUS_EXEC_CPU_68020	2
    346 #define NUBUS_EXEC_CPU_68030	3
    347 #define NUBUS_EXEC_CPU_68040	4
    348 
    349 #define NUBUS_MIN_SLOT		0x9
    350 #define NUBUS_MAX_SLOT		0xE
    351 #define NUBUS_ROM_TEST_PATTERN	0x5A932BC7
    352 
    353 #define NUBUS_SLOT2PA(x)	(0xf9000000 + \
    354 				 ((((x) - NUBUS_MIN_SLOT) & 0xf) << 24))
    355 
    356 struct nubus_attach_args {
    357 	bus_space_tag_t	na_tag;
    358 	bus_dma_tag_t	na_dmat;
    359 	int		slot;
    360 	int		rsrcid;
    361 	u_int16_t	category;
    362 	u_int16_t	type;
    363 	u_int16_t	drsw;
    364 	u_int16_t	drhw;
    365 	nubus_slot	*fmt;
    366 };
    367 
    368 struct nubus_softc {
    369 	struct	device	sc_dev;
    370 };
    371 
    372 
    373 void	nubus_get_main_dir(nubus_slot *, nubus_dir *);
    374 void	nubus_get_dir_from_rsrc(nubus_slot *, nubus_dirent *, nubus_dir *);
    375 
    376 int	nubus_find_rsrc(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
    377 	    nubus_dir *, u_int8_t, nubus_dirent *);
    378 int	nubus_get_ind_data(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
    379 	    nubus_dirent *, char *, int);
    380 int	nubus_get_c_string(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
    381 	    nubus_dirent *, char *, int);
    382 int	nubus_get_smem_addr_rangelist(bus_space_tag_t, bus_space_handle_t,
    383     	    nubus_slot *, nubus_dirent *, void *);
    384 
    385 const char	*nubus_get_vendor(bus_space_tag_t, bus_space_handle_t, nubus_slot *,
    386 	    int);
    387 const char	*nubus_get_card_name(bus_space_tag_t, bus_space_handle_t, nubus_slot *);
    388 #ifdef DEBUG
    389 void	nubus_scan_slot(bus_space_tag_t, int);
    390 #endif
    391