[linux.git] / include / linux / nubus.h

/*
  nubus.h: various definitions and prototypes for NuBus drivers to use.

  Originally written by Alan Cox.

  Hacked to death by C. Scott Ananian and David Huggins-Daines.
  
  Some of the constants in here are from the corresponding
  NetBSD/OpenBSD header file, by Allen Briggs.  We figured out the
  rest of them on our own. */

#ifndef LINUX_NUBUS_H
#define LINUX_NUBUS_H

#include <linux/types.h>
#ifdef __KERNEL__
#include <asm/nubus.h>
#endif

enum nubus_category {
	NUBUS_CAT_BOARD          = 0x0001,
	NUBUS_CAT_DISPLAY        = 0x0003,
	NUBUS_CAT_NETWORK        = 0x0004,
	NUBUS_CAT_COMMUNICATIONS = 0x0006,
	NUBUS_CAT_FONT           = 0x0009,
	NUBUS_CAT_CPU            = 0x000A,
	/* For lack of a better name */
	NUBUS_CAT_DUODOCK        = 0x0020
};

enum nubus_type_network {
	NUBUS_TYPE_ETHERNET      = 0x0001,
	NUBUS_TYPE_RS232         = 0x0002
};

enum nubus_type_display {
	NUBUS_TYPE_VIDEO         = 0x0001
};

enum nubus_type_cpu {
	NUBUS_TYPE_68020         = 0x0003,
	NUBUS_TYPE_68030         = 0x0004,
	NUBUS_TYPE_68040         = 0x0005
};

/* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots)
 *  68030 motherboards: <10,4,0,24>
 *  68040 motherboards: <10,5,0,24>
 *  DuoDock Plus: <32,1,1,2>
 *
 *  Toby Frame Buffer card: <3,1,1,1>
 *  RBV built-in video (IIci): <3,1,1,24>
 *  Valkyrie built-in video (Q630): <3,1,1,46>
 *  Macintosh Display Card: <3,1,1,25>
 *  Sonora built-in video (P460): <3,1,1,34>
 *  Jet framebuffer (DuoDock Plus): <3,1,1,41>
 *
 *  SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272>
 *  SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271>
 *  Apple SONIC LC-PDS Ethernet ("Apple Ethernet LC Twisted-Pair Card"): <4,1,0,281>
 *  Sonic Systems Ethernet A-Series Card: <4,1,268,256>
 *  Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision)
 *   ROM on the above card: <2,1,0,0>
 *  Cabletron ethernet card: <4,1,1,265>
 *  Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card)
 *  Kinetics EtherPort IIN: <4,1,259,262>
 *  API Engineering EtherRun_LCa PDS enet card: <4,1,282,256>
 *
 *  Add your devices to the list!  You can obtain the "Slots" utility
 *  from Apple's FTP site at:
 *  ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/
 *
 *  Alternately, TattleTech can be found at any Info-Mac mirror site.  
 *  or from its distribution site: ftp://ftp.decismkr.com/dms
 */

/* DrSW: Uniquely identifies the software interface to a board.  This
   is usually the one you want to look at when writing a driver.  It's
   not as useful as you think, though, because as we should know by
   now (duh), "Apple Compatible" can mean a lot of things... */

/* Add known DrSW values here */
enum nubus_drsw {
	/* NUBUS_CAT_DISPLAY */
	NUBUS_DRSW_APPLE        = 0x0001,
	NUBUS_DRSW_APPLE_HIRES  = 0x0013, /* MacII HiRes card driver */
	
	/* NUBUS_CAT_NETWORK */
	NUBUS_DRSW_3COM         = 0x0000,
	NUBUS_DRSW_CABLETRON    = 0x0001,
	NUBUS_DRSW_SONIC_LC     = 0x0001,
	NUBUS_DRSW_KINETICS     = 0x0103,
	NUBUS_DRSW_ASANTE       = 0x0104,
	NUBUS_DRSW_TECHWORKS    = 0x0109,
	NUBUS_DRSW_DAYNA        = 0x010b,
	NUBUS_DRSW_FARALLON     = 0x010c,
	NUBUS_DRSW_APPLE_SN     = 0x010f,
	NUBUS_DRSW_DAYNA2       = 0x0115,
	NUBUS_DRSW_FOCUS        = 0x011a,
	NUBUS_DRSW_ASANTE_CS    = 0x011d, /* use asante SMC9194 driver */
	NUBUS_DRSW_DAYNA_LC     = 0x011e,

	/* NUBUS_CAT_CPU */
	NUBUS_DRSW_NONE         = 0x0000,
};

/* DrHW: Uniquely identifies the hardware interface to a board (or at
   least, it should...  some video cards are known to incorrectly
   identify themselves as Toby cards) */

/* Add known DrHW values here */
enum nubus_drhw {
	/* NUBUS_CAT_DISPLAY */
	NUBUS_DRHW_APPLE_TFB      = 0x0001, /* Toby frame buffer card */
	NUBUS_DRHW_APPLE_WVC      = 0x0006, /* Apple Workstation Video Card */
	NUBUS_DRHW_SIGMA_CLRMAX   = 0x0007, /* Sigma Design ColorMax */
	NUBUS_DRHW_APPLE_SE30     = 0x0009, /* Apple SE/30 video */
	NUBUS_DRHW_APPLE_HRVC     = 0x0013, /* Mac II High-Res Video Card */
	NUBUS_DRHW_APPLE_PVC      = 0x0017, /* Mac II Portrait Video Card */
	NUBUS_DRHW_APPLE_RBV1     = 0x0018, /* IIci RBV video */
	NUBUS_DRHW_APPLE_MDC      = 0x0019, /* Macintosh Display Card */
	NUBUS_DRHW_APPLE_SONORA   = 0x0022, /* Sonora built-in video */
	NUBUS_DRHW_APPLE_24AC     = 0x002b, /* Mac 24AC Video Card */
	NUBUS_DRHW_APPLE_VALKYRIE = 0x002e,
	NUBUS_DRHW_APPLE_JET      = 0x0029, /* Jet framebuffer (DuoDock) */
	NUBUS_DRHW_SMAC_GFX       = 0x0105, /* SuperMac GFX */
	NUBUS_DRHW_RASTER_CB264   = 0x013B, /* RasterOps ColorBoard 264 */
	NUBUS_DRHW_MICRON_XCEED   = 0x0146, /* Micron Exceed color */
	NUBUS_DRHW_RDIUS_GSC      = 0x0153, /* Radius GS/C */
	NUBUS_DRHW_SMAC_SPEC8     = 0x017B, /* SuperMac Spectrum/8 */
	NUBUS_DRHW_SMAC_SPEC24    = 0x017C, /* SuperMac Spectrum/24 */
	NUBUS_DRHW_RASTER_CB364   = 0x026F, /* RasterOps ColorBoard 364 */
	NUBUS_DRHW_RDIUS_DCGX     = 0x027C, /* Radius DirectColor/GX */
	NUBUS_DRHW_RDIUS_PC8      = 0x0291, /* Radius PrecisionColor 8 */
	NUBUS_DRHW_LAPIS_PCS8     = 0x0292, /* Lapis ProColorServer 8 */
	NUBUS_DRHW_RASTER_24XLI   = 0x02A0, /* RasterOps 8/24 XLi */
	NUBUS_DRHW_RASTER_PBPGT   = 0x02A5, /* RasterOps PaintBoard Prism GT */
	NUBUS_DRHW_EMACH_FSX      = 0x02AE, /* E-Machines Futura SX */
	NUBUS_DRHW_RASTER_24XLTV  = 0x02B7, /* RasterOps 24XLTV */
	NUBUS_DRHW_SMAC_THUND24   = 0x02CB, /* SuperMac Thunder/24 */
	NUBUS_DRHW_SMAC_THUNDLGHT = 0x03D9, /* SuperMac ThunderLight */
	NUBUS_DRHW_RDIUS_PC24XP   = 0x0406, /* Radius PrecisionColor 24Xp */
	NUBUS_DRHW_RDIUS_PC24X    = 0x040A, /* Radius PrecisionColor 24X */
	NUBUS_DRHW_RDIUS_PC8XJ    = 0x040B, /* Radius PrecisionColor 8XJ */
	
	/* NUBUS_CAT_NETWORK */
	NUBUS_DRHW_INTERLAN       = 0x0100,
	NUBUS_DRHW_SMC9194        = 0x0101,
	NUBUS_DRHW_KINETICS       = 0x0106,
	NUBUS_DRHW_CABLETRON      = 0x0109,
	NUBUS_DRHW_ASANTE_LC      = 0x010f,
	NUBUS_DRHW_SONIC          = 0x0110,
	NUBUS_DRHW_TECHWORKS      = 0x0112,
	NUBUS_DRHW_APPLE_SONIC_NB = 0x0118,
	NUBUS_DRHW_APPLE_SONIC_LC = 0x0119,
	NUBUS_DRHW_FOCUS          = 0x011c,
	NUBUS_DRHW_SONNET         = 0x011d,
};

/* Resource IDs: These are the identifiers for the various weird and
   wonderful tidbits of information that may or may not reside in the
   NuBus ROM directory. */
enum nubus_res_id {
	NUBUS_RESID_TYPE         = 0x0001,
	NUBUS_RESID_NAME         = 0x0002,
	NUBUS_RESID_ICON         = 0x0003,
	NUBUS_RESID_DRVRDIR      = 0x0004,
	NUBUS_RESID_LOADREC      = 0x0005,
	NUBUS_RESID_BOOTREC      = 0x0006,
	NUBUS_RESID_FLAGS        = 0x0007,
	NUBUS_RESID_HWDEVID      = 0x0008,
	NUBUS_RESID_MINOR_BASEOS = 0x000a,
	NUBUS_RESID_MINOR_LENGTH = 0x000b,
	NUBUS_RESID_MAJOR_BASEOS = 0x000c,
	NUBUS_RESID_MAJOR_LENGTH = 0x000d,
	NUBUS_RESID_CICN         = 0x000f,
	NUBUS_RESID_ICL8         = 0x0010,
	NUBUS_RESID_ICL4         = 0x0011,
};

/* Category-specific resources. */
enum nubus_board_res_id {
	NUBUS_RESID_BOARDID      = 0x0020,
	NUBUS_RESID_PRAMINITDATA = 0x0021,
	NUBUS_RESID_PRIMARYINIT  = 0x0022,
	NUBUS_RESID_TIMEOUTCONST = 0x0023,
	NUBUS_RESID_VENDORINFO   = 0x0024,
	NUBUS_RESID_BOARDFLAGS   = 0x0025,
	NUBUS_RESID_SECONDINIT   = 0x0026,

	/* Not sure why Apple put these next two in here */
	NUBUS_RESID_VIDNAMES     = 0x0041,
	NUBUS_RESID_VIDMODES     = 0x007e
};

/* Fields within the vendor info directory */
enum nubus_vendor_res_id {
	NUBUS_RESID_VEND_ID     = 0x0001,
	NUBUS_RESID_VEND_SERIAL = 0x0002,
	NUBUS_RESID_VEND_REV    = 0x0003,
	NUBUS_RESID_VEND_PART   = 0x0004,
	NUBUS_RESID_VEND_DATE   = 0x0005
};

enum nubus_net_res_id {
	NUBUS_RESID_MAC_ADDRESS  = 0x0080
};

enum nubus_cpu_res_id {
	NUBUS_RESID_MEMINFO      = 0x0081,
	NUBUS_RESID_ROMINFO      = 0x0082
};

enum nubus_display_res_id {
	NUBUS_RESID_GAMMADIR    = 0x0040,
	NUBUS_RESID_FIRSTMODE   = 0x0080,
	NUBUS_RESID_SECONDMODE  = 0x0081,
	NUBUS_RESID_THIRDMODE   = 0x0082,
	NUBUS_RESID_FOURTHMODE  = 0x0083,
	NUBUS_RESID_FIFTHMODE   = 0x0084,
	NUBUS_RESID_SIXTHMODE   = 0x0085
};

struct nubus_dir
{
	unsigned char *base;
	unsigned char *ptr;
	int done;
	int mask;
};

struct nubus_dirent
{
	unsigned char *base;
	unsigned char type;
	__u32 data;	/* Actually 24bits used */
	int mask;
};

#ifdef __KERNEL__
struct nubus_board {
	struct nubus_board* next;
	struct nubus_dev* first_dev;
	
	/* Only 9-E actually exist, though 0-8 are also theoretically
	   possible, and 0 is a special case which represents the
	   motherboard and onboard peripherals (Ethernet, video) */
	int slot;
	/* For slot 0, this is bogus. */
	char name[64];

	/* Format block */
	unsigned char* fblock;
	/* Root directory (does *not* always equal fblock + doffset!) */
	unsigned char* directory;
	
	unsigned long slot_addr;
	/* Offset to root directory (sometimes) */
	unsigned long doffset;
	/* Length over which to compute the crc */
	unsigned long rom_length;
	/* Completely useless most of the time */
	unsigned long crc;
	unsigned char rev;
	unsigned char format;
	unsigned char lanes;
};

struct nubus_dev {
	/* Next link in device list */
	struct nubus_dev* next;
	/* Directory entry in /proc/bus/nubus */
	struct proc_dir_entry* procdir;

	/* The functional resource ID of this device */
	unsigned char resid;
	/* These are mostly here for convenience; we could always read
	   them from the ROMs if we wanted to */
	unsigned short category;
	unsigned short type;
	unsigned short dr_sw;
	unsigned short dr_hw;
	/* This is the device's name rather than the board's.
	   Sometimes they are different.  Usually the board name is
	   more correct. */
	char name[64];
	/* MacOS driver (I kid you not) */
	unsigned char* driver;
	/* Actually this is an offset */
	unsigned long iobase;
	unsigned long iosize;
	unsigned char flags, hwdevid;
	
	/* Functional directory */
	unsigned char* directory;
	/* Much of our info comes from here */
	struct nubus_board* board;
};

/* This is all NuBus devices (used to find devices later on) */
extern struct nubus_dev* nubus_devices;
/* This is all NuBus cards */
extern struct nubus_board* nubus_boards;

/* Generic NuBus interface functions, modelled after the PCI interface */
void nubus_scan_bus(void);
extern void nubus_proc_init(void);
int get_nubus_list(char *buf);
int nubus_proc_attach_device(struct nubus_dev *dev);
int nubus_proc_detach_device(struct nubus_dev *dev);
/* If we need more precision we can add some more of these */
struct nubus_dev* nubus_find_device(unsigned short category,
				    unsigned short type,
				    unsigned short dr_hw,
				    unsigned short dr_sw,
				    const struct nubus_dev* from);
struct nubus_dev* nubus_find_type(unsigned short category,
				  unsigned short type,
				  const struct nubus_dev* from);
/* Might have more than one device in a slot, you know... */
struct nubus_dev* nubus_find_slot(unsigned int slot,
				  const struct nubus_dev* from);

/* These are somewhat more NuBus-specific.  They all return 0 for
   success and -1 for failure, as you'd expect. */

/* The root directory which contains the board and functional
   directories */
int nubus_get_root_dir(const struct nubus_board* board,
		       struct nubus_dir* dir);
/* The board directory */
int nubus_get_board_dir(const struct nubus_board* board,
			struct nubus_dir* dir);
/* The functional directory */
int nubus_get_func_dir(const struct nubus_dev* dev,
		       struct nubus_dir* dir);

/* These work on any directory gotten via the above */
int nubus_readdir(struct nubus_dir* dir,
		  struct nubus_dirent* ent);
int nubus_find_rsrc(struct nubus_dir* dir,
		    unsigned char rsrc_type,
		    struct nubus_dirent* ent);
int nubus_rewinddir(struct nubus_dir* dir);

/* Things to do with directory entries */
int nubus_get_subdir(const struct nubus_dirent* ent,
		     struct nubus_dir* dir);
void nubus_get_rsrc_mem(void* dest,
			const struct nubus_dirent *dirent,
			int len);
void nubus_get_rsrc_str(void* dest,
			const struct nubus_dirent *dirent,
			int maxlen);
#endif /* __KERNEL__ */

/* We'd like to get rid of this eventually.  Only daynaport.c uses it now. */
static inline void *nubus_slot_addr(int slot)
{
	return (void *)(0xF0000000|(slot<<24));
}

#endif /* LINUX_NUBUS_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	nubus.h: various definitions and prototypes for NuBus drivers to use.
	3
	4	Originally written by Alan Cox.
	5
	6	Hacked to death by C. Scott Ananian and David Huggins-Daines.
	7
	8	Some of the constants in here are from the corresponding
	9	NetBSD/OpenBSD header file, by Allen Briggs. We figured out the
	10	rest of them on our own. */
	11
	12	#ifndef LINUX_NUBUS_H
	13	#define LINUX_NUBUS_H
	14
d5c72d78	15	#include <linux/types.h>
1da177e4 LT	16	#ifdef __KERNEL__
	17	#include <asm/nubus.h>
	18	#endif
	19
	20	enum nubus_category {
	21	NUBUS_CAT_BOARD = 0x0001,
	22	NUBUS_CAT_DISPLAY = 0x0003,
	23	NUBUS_CAT_NETWORK = 0x0004,
	24	NUBUS_CAT_COMMUNICATIONS = 0x0006,
	25	NUBUS_CAT_FONT = 0x0009,
	26	NUBUS_CAT_CPU = 0x000A,
	27	/* For lack of a better name */
	28	NUBUS_CAT_DUODOCK = 0x0020
	29	};
	30
	31	enum nubus_type_network {
f8779588 FT	32	NUBUS_TYPE_ETHERNET = 0x0001,
f8779588 FT	33	NUBUS_TYPE_RS232 = 0x0002
1da177e4 LT	34	};
	35
	36	enum nubus_type_display {
f8779588	37	NUBUS_TYPE_VIDEO = 0x0001
1da177e4 LT	38	};
	39
	40	enum nubus_type_cpu {
f8779588 FT	41	NUBUS_TYPE_68020 = 0x0003,
	42	NUBUS_TYPE_68030 = 0x0004,
	43	NUBUS_TYPE_68040 = 0x0005
1da177e4 LT	44	};
	45
	46	/* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots)
	47	* 68030 motherboards: <10,4,0,24>
	48	* 68040 motherboards: <10,5,0,24>
	49	* DuoDock Plus: <32,1,1,2>
	50	*
	51	* Toby Frame Buffer card: <3,1,1,1>
	52	* RBV built-in video (IIci): <3,1,1,24>
	53	* Valkyrie built-in video (Q630): <3,1,1,46>
	54	* Macintosh Display Card: <3,1,1,25>
	55	* Sonora built-in video (P460): <3,1,1,34>
	56	* Jet framebuffer (DuoDock Plus): <3,1,1,41>
	57	*
	58	* SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272>
	59	* SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271>
f8779588	60	* Apple SONIC LC-PDS Ethernet ("Apple Ethernet LC Twisted-Pair Card"): <4,1,0,281>
1da177e4 LT	61	* Sonic Systems Ethernet A-Series Card: <4,1,268,256>
	62	* Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision)
	63	* ROM on the above card: <2,1,0,0>
	64	* Cabletron ethernet card: <4,1,1,265>
	65	* Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card)
	66	* Kinetics EtherPort IIN: <4,1,259,262>
	67	* API Engineering EtherRun_LCa PDS enet card: <4,1,282,256>
	68	*
	69	* Add your devices to the list! You can obtain the "Slots" utility
	70	* from Apple's FTP site at:
	71	* ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/
	72	*
	73	* Alternately, TattleTech can be found at any Info-Mac mirror site.
	74	* or from its distribution site: ftp://ftp.decismkr.com/dms
	75	*/
	76
	77	/* DrSW: Uniquely identifies the software interface to a board. This
	78	is usually the one you want to look at when writing a driver. It's
	79	not as useful as you think, though, because as we should know by
	80	now (duh), "Apple Compatible" can mean a lot of things... */
	81
	82	/* Add known DrSW values here */
	83	enum nubus_drsw {
	84	/* NUBUS_CAT_DISPLAY */
f8779588 FT	85	NUBUS_DRSW_APPLE = 0x0001,
f8779588 FT	86	NUBUS_DRSW_APPLE_HIRES = 0x0013, /* MacII HiRes card driver */
1da177e4 LT	87
1da177e4 LT	88	/* NUBUS_CAT_NETWORK */
f8779588 FT	89	NUBUS_DRSW_3COM = 0x0000,
	90	NUBUS_DRSW_CABLETRON = 0x0001,
	91	NUBUS_DRSW_SONIC_LC = 0x0001,
	92	NUBUS_DRSW_KINETICS = 0x0103,
	93	NUBUS_DRSW_ASANTE = 0x0104,
	94	NUBUS_DRSW_TECHWORKS = 0x0109,
	95	NUBUS_DRSW_DAYNA = 0x010b,
	96	NUBUS_DRSW_FARALLON = 0x010c,
	97	NUBUS_DRSW_APPLE_SN = 0x010f,
	98	NUBUS_DRSW_DAYNA2 = 0x0115,
1da177e4 LT	99	NUBUS_DRSW_FOCUS = 0x011a,
1da177e4 LT	100	NUBUS_DRSW_ASANTE_CS = 0x011d, /* use asante SMC9194 driver */
f8779588	101	NUBUS_DRSW_DAYNA_LC = 0x011e,
1da177e4 LT	102
1da177e4 LT	103	/* NUBUS_CAT_CPU */
f8779588	104	NUBUS_DRSW_NONE = 0x0000,
1da177e4 LT	105	};
	106
	107	/* DrHW: Uniquely identifies the hardware interface to a board (or at
	108	least, it should... some video cards are known to incorrectly
	109	identify themselves as Toby cards) */
	110
	111	/* Add known DrHW values here */
	112	enum nubus_drhw {
	113	/* NUBUS_CAT_DISPLAY */
f8779588 FT	114	NUBUS_DRHW_APPLE_TFB = 0x0001, /* Toby frame buffer card */
	115	NUBUS_DRHW_APPLE_WVC = 0x0006, /* Apple Workstation Video Card */
	116	NUBUS_DRHW_SIGMA_CLRMAX = 0x0007, /* Sigma Design ColorMax */
	117	NUBUS_DRHW_APPLE_SE30 = 0x0009, /* Apple SE/30 video */
	118	NUBUS_DRHW_APPLE_HRVC = 0x0013, /* Mac II High-Res Video Card */
	119	NUBUS_DRHW_APPLE_PVC = 0x0017, /* Mac II Portrait Video Card */
	120	NUBUS_DRHW_APPLE_RBV1 = 0x0018, /* IIci RBV video */
	121	NUBUS_DRHW_APPLE_MDC = 0x0019, /* Macintosh Display Card */
	122	NUBUS_DRHW_APPLE_SONORA = 0x0022, /* Sonora built-in video */
	123	NUBUS_DRHW_APPLE_24AC = 0x002b, /* Mac 24AC Video Card */
1da177e4	124	NUBUS_DRHW_APPLE_VALKYRIE = 0x002e,
f8779588 FT	125	NUBUS_DRHW_APPLE_JET = 0x0029, /* Jet framebuffer (DuoDock) */
	126	NUBUS_DRHW_SMAC_GFX = 0x0105, /* SuperMac GFX */
	127	NUBUS_DRHW_RASTER_CB264 = 0x013B, /* RasterOps ColorBoard 264 */
	128	NUBUS_DRHW_MICRON_XCEED = 0x0146, /* Micron Exceed color */
	129	NUBUS_DRHW_RDIUS_GSC = 0x0153, /* Radius GS/C */
	130	NUBUS_DRHW_SMAC_SPEC8 = 0x017B, /* SuperMac Spectrum/8 */
	131	NUBUS_DRHW_SMAC_SPEC24 = 0x017C, /* SuperMac Spectrum/24 */
	132	NUBUS_DRHW_RASTER_CB364 = 0x026F, /* RasterOps ColorBoard 364 */
	133	NUBUS_DRHW_RDIUS_DCGX = 0x027C, /* Radius DirectColor/GX */
	134	NUBUS_DRHW_RDIUS_PC8 = 0x0291, /* Radius PrecisionColor 8 */
	135	NUBUS_DRHW_LAPIS_PCS8 = 0x0292, /* Lapis ProColorServer 8 */
57dfee7c	136	NUBUS_DRHW_RASTER_24XLI = 0x02A0, /* RasterOps 8/24 XLi */
f8779588 FT	137	NUBUS_DRHW_RASTER_PBPGT = 0x02A5, /* RasterOps PaintBoard Prism GT */
f8779588 FT	138	NUBUS_DRHW_EMACH_FSX = 0x02AE, /* E-Machines Futura SX */
57dfee7c	139	NUBUS_DRHW_RASTER_24XLTV = 0x02B7, /* RasterOps 24XLTV */
f8779588	140	NUBUS_DRHW_SMAC_THUND24 = 0x02CB, /* SuperMac Thunder/24 */
57dfee7c	141	NUBUS_DRHW_SMAC_THUNDLGHT = 0x03D9, /* SuperMac ThunderLight */
f8779588 FT	142	NUBUS_DRHW_RDIUS_PC24XP = 0x0406, /* Radius PrecisionColor 24Xp */
	143	NUBUS_DRHW_RDIUS_PC24X = 0x040A, /* Radius PrecisionColor 24X */
	144	NUBUS_DRHW_RDIUS_PC8XJ = 0x040B, /* Radius PrecisionColor 8XJ */
1da177e4 LT	145
1da177e4 LT	146	/* NUBUS_CAT_NETWORK */
f8779588 FT	147	NUBUS_DRHW_INTERLAN = 0x0100,
	148	NUBUS_DRHW_SMC9194 = 0x0101,
	149	NUBUS_DRHW_KINETICS = 0x0106,
	150	NUBUS_DRHW_CABLETRON = 0x0109,
	151	NUBUS_DRHW_ASANTE_LC = 0x010f,
	152	NUBUS_DRHW_SONIC = 0x0110,
	153	NUBUS_DRHW_TECHWORKS = 0x0112,
	154	NUBUS_DRHW_APPLE_SONIC_NB = 0x0118,
	155	NUBUS_DRHW_APPLE_SONIC_LC = 0x0119,
	156	NUBUS_DRHW_FOCUS = 0x011c,
	157	NUBUS_DRHW_SONNET = 0x011d,
1da177e4 LT	158	};
	159
	160	/* Resource IDs: These are the identifiers for the various weird and
	161	wonderful tidbits of information that may or may not reside in the
	162	NuBus ROM directory. */
	163	enum nubus_res_id {
	164	NUBUS_RESID_TYPE = 0x0001,
	165	NUBUS_RESID_NAME = 0x0002,
	166	NUBUS_RESID_ICON = 0x0003,
	167	NUBUS_RESID_DRVRDIR = 0x0004,
	168	NUBUS_RESID_LOADREC = 0x0005,
	169	NUBUS_RESID_BOOTREC = 0x0006,
	170	NUBUS_RESID_FLAGS = 0x0007,
	171	NUBUS_RESID_HWDEVID = 0x0008,
	172	NUBUS_RESID_MINOR_BASEOS = 0x000a,
	173	NUBUS_RESID_MINOR_LENGTH = 0x000b,
	174	NUBUS_RESID_MAJOR_BASEOS = 0x000c,
	175	NUBUS_RESID_MAJOR_LENGTH = 0x000d,
	176	NUBUS_RESID_CICN = 0x000f,
	177	NUBUS_RESID_ICL8 = 0x0010,
	178	NUBUS_RESID_ICL4 = 0x0011,
	179	};
	180
	181	/* Category-specific resources. */
	182	enum nubus_board_res_id {
f8779588	183	NUBUS_RESID_BOARDID = 0x0020,
1da177e4	184	NUBUS_RESID_PRAMINITDATA = 0x0021,
f8779588	185	NUBUS_RESID_PRIMARYINIT = 0x0022,
1da177e4	186	NUBUS_RESID_TIMEOUTCONST = 0x0023,
f8779588 FT	187	NUBUS_RESID_VENDORINFO = 0x0024,
	188	NUBUS_RESID_BOARDFLAGS = 0x0025,
	189	NUBUS_RESID_SECONDINIT = 0x0026,
1da177e4 LT	190
1da177e4 LT	191	/* Not sure why Apple put these next two in here */
f8779588 FT	192	NUBUS_RESID_VIDNAMES = 0x0041,
f8779588 FT	193	NUBUS_RESID_VIDMODES = 0x007e
1da177e4 LT	194	};
	195
	196	/* Fields within the vendor info directory */
	197	enum nubus_vendor_res_id {
	198	NUBUS_RESID_VEND_ID = 0x0001,
	199	NUBUS_RESID_VEND_SERIAL = 0x0002,
	200	NUBUS_RESID_VEND_REV = 0x0003,
	201	NUBUS_RESID_VEND_PART = 0x0004,
	202	NUBUS_RESID_VEND_DATE = 0x0005
	203	};
	204
	205	enum nubus_net_res_id {
	206	NUBUS_RESID_MAC_ADDRESS = 0x0080
	207	};
	208
	209	enum nubus_cpu_res_id {
	210	NUBUS_RESID_MEMINFO = 0x0081,
	211	NUBUS_RESID_ROMINFO = 0x0082
	212	};
	213
	214	enum nubus_display_res_id {
f8779588 FT	215	NUBUS_RESID_GAMMADIR = 0x0040,
	216	NUBUS_RESID_FIRSTMODE = 0x0080,
	217	NUBUS_RESID_SECONDMODE = 0x0081,
	218	NUBUS_RESID_THIRDMODE = 0x0082,
	219	NUBUS_RESID_FOURTHMODE = 0x0083,
	220	NUBUS_RESID_FIFTHMODE = 0x0084,
	221	NUBUS_RESID_SIXTHMODE = 0x0085
1da177e4 LT	222	};
	223
	224	struct nubus_dir
	225	{
	226	unsigned char *base;
	227	unsigned char *ptr;
	228	int done;
	229	int mask;
	230	};
	231
	232	struct nubus_dirent
	233	{
	234	unsigned char *base;
	235	unsigned char type;
	236	__u32 data; /* Actually 24bits used */
	237	int mask;
	238	};
	239
5007b1fc	240	#ifdef __KERNEL__
1da177e4 LT	241	struct nubus_board {
	242	struct nubus_board* next;
	243	struct nubus_dev* first_dev;
	244
f8779588	245	/* Only 9-E actually exist, though 0-8 are also theoretically
1da177e4 LT	246	possible, and 0 is a special case which represents the
	247	motherboard and onboard peripherals (Ethernet, video) */
	248	int slot;
	249	/* For slot 0, this is bogus. */
	250	char name[64];
	251
	252	/* Format block */
	253	unsigned char* fblock;
	254	/* Root directory (does not always equal fblock + doffset!) */
	255	unsigned char* directory;
	256
	257	unsigned long slot_addr;
	258	/* Offset to root directory (sometimes) */
	259	unsigned long doffset;
	260	/* Length over which to compute the crc */
	261	unsigned long rom_length;
	262	/* Completely useless most of the time */
	263	unsigned long crc;
	264	unsigned char rev;
	265	unsigned char format;
	266	unsigned char lanes;
	267	};
	268
	269	struct nubus_dev {
	270	/* Next link in device list */
	271	struct nubus_dev* next;
	272	/* Directory entry in /proc/bus/nubus */
	273	struct proc_dir_entry* procdir;
	274
	275	/* The functional resource ID of this device */
	276	unsigned char resid;
	277	/* These are mostly here for convenience; we could always read
	278	them from the ROMs if we wanted to */
	279	unsigned short category;
	280	unsigned short type;
	281	unsigned short dr_sw;
	282	unsigned short dr_hw;
	283	/* This is the device's name rather than the board's.
	284	Sometimes they are different. Usually the board name is
	285	more correct. */
	286	char name[64];
	287	/* MacOS driver (I kid you not) */
	288	unsigned char* driver;
	289	/* Actually this is an offset */
	290	unsigned long iobase;
	291	unsigned long iosize;
	292	unsigned char flags, hwdevid;
	293
	294	/* Functional directory */
	295	unsigned char* directory;
	296	/* Much of our info comes from here */
	297	struct nubus_board* board;
	298	};
	299
	300	/* This is all NuBus devices (used to find devices later on) */
	301	extern struct nubus_dev* nubus_devices;
	302	/* This is all NuBus cards */
	303	extern struct nubus_board* nubus_boards;
	304
	305	/* Generic NuBus interface functions, modelled after the PCI interface */
	306	void nubus_scan_bus(void);
	307	extern void nubus_proc_init(void);
	308	int get_nubus_list(char *buf);
	309	int nubus_proc_attach_device(struct nubus_dev *dev);
310	int nubus_proc_detach_device(struct nubus_dev *dev);
311	/* If we need more precision we can add some more of these */
312	struct nubus_dev* nubus_find_device(unsigned short category,
313	unsigned short type,
314	unsigned short dr_hw,
315	unsigned short dr_sw,
316	const struct nubus_dev* from);
317	struct nubus_dev* nubus_find_type(unsigned short category,
318	unsigned short type,
319	const struct nubus_dev* from);
320	/* Might have more than one device in a slot, you know... */
321	struct nubus_dev* nubus_find_slot(unsigned int slot,
322	const struct nubus_dev* from);
323
324	/* These are somewhat more NuBus-specific. They all return 0 for
325	success and -1 for failure, as you'd expect. */
326
327	/* The root directory which contains the board and functional
328	directories */
329	int nubus_get_root_dir(const struct nubus_board* board,
330	struct nubus_dir* dir);
331	/* The board directory */
332	int nubus_get_board_dir(const struct nubus_board* board,
333	struct nubus_dir* dir);
334	/* The functional directory */
335	int nubus_get_func_dir(const struct nubus_dev* dev,
336	struct nubus_dir* dir);
337
338	/* These work on any directory gotten via the above */
339	int nubus_readdir(struct nubus_dir* dir,
340	struct nubus_dirent* ent);
341	int nubus_find_rsrc(struct nubus_dir* dir,
342	unsigned char rsrc_type,
343	struct nubus_dirent* ent);
344	int nubus_rewinddir(struct nubus_dir* dir);
345
346	/* Things to do with directory entries */
347	int nubus_get_subdir(const struct nubus_dirent* ent,
348	struct nubus_dir* dir);
349	void nubus_get_rsrc_mem(void* dest,
350	const struct nubus_dirent *dirent,
351	int len);
352	void nubus_get_rsrc_str(void* dest,
353	const struct nubus_dirent *dirent,
354	int maxlen);
9fe03bc3	355	#endif /* __KERNEL__ */
1da177e4 LT	356
	357	/* We'd like to get rid of this eventually. Only daynaport.c uses it now. */
	358	static inline void *nubus_slot_addr(int slot)
	359	{
	360	return (void *)(0xF0000000\|(slot<<24));
	361	}
	362
	363	#endif /* LINUX_NUBUS_H */