WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/nubus.h

Rev	Author	Line No.	Line
422	giacomo	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
		15	#ifdef __KERNEL__
		16	#include <asm/nubus.h>
		17	#endif
		18
		19	enum nubus_category {
		20	NUBUS_CAT_BOARD = 0x0001,
		21	NUBUS_CAT_DISPLAY = 0x0003,
		22	NUBUS_CAT_NETWORK = 0x0004,
		23	NUBUS_CAT_COMMUNICATIONS = 0x0006,
		24	NUBUS_CAT_FONT = 0x0009,
		25	NUBUS_CAT_CPU = 0x000A,
		26	/* For lack of a better name */
		27	NUBUS_CAT_DUODOCK = 0x0020
		28	};
		29
		30	enum nubus_type_network {
		31	NUBUS_TYPE_ETHERNET = 0x0001,
		32	NUBUS_TYPE_RS232 = 0x0002
		33	};
		34
		35	enum nubus_type_display {
		36	NUBUS_TYPE_VIDEO = 0x0001
		37	};
		38
		39	enum nubus_type_cpu {
		40	NUBUS_TYPE_68020 = 0x0003,
		41	NUBUS_TYPE_68030 = 0x0004,
		42	NUBUS_TYPE_68040 = 0x0005
		43	};
		44
		45	/* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots)
		46	* 68030 motherboards: <10,4,0,24>
		47	* 68040 motherboards: <10,5,0,24>
		48	* DuoDock Plus: <32,1,1,2>
		49	*
		50	* Toby Frame Buffer card: <3,1,1,1>
		51	* RBV built-in video (IIci): <3,1,1,24>
		52	* Valkyrie built-in video (Q630): <3,1,1,46>
		53	* Macintosh Display Card: <3,1,1,25>
		54	* Sonora built-in video (P460): <3,1,1,34>
		55	* Jet framebuffer (DuoDock Plus): <3,1,1,41>
		56	*
		57	* SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272>
		58	* SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271>
		59	* Sonic Systems Ethernet A-Series Card: <4,1,268,256>
		60	* Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision)
		61	* ROM on the above card: <2,1,0,0>
		62	* Cabletron ethernet card: <4,1,1,265>
		63	* Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card)
		64	* Kinetics EtherPort IIN: <4,1,259,262>
		65	* API Engineering EtherRun_LCa PDS enet card: <4,1,282,256>
		66	*
		67	* Add your devices to the list! You can obtain the "Slots" utility
		68	* from Apple's FTP site at:
		69	* ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/
		70	*
		71	* Alternately, TattleTech can be found at any Info-Mac mirror site.
		72	* or from its distribution site: ftp://ftp.decismkr.com/dms
		73	*/
		74
		75	/* DrSW: Uniquely identifies the software interface to a board. This
		76	is usually the one you want to look at when writing a driver. It's
		77	not as useful as you think, though, because as we should know by
		78	now (duh), "Apple Compatible" can mean a lot of things... */
		79
		80	/* Add known DrSW values here */
		81	enum nubus_drsw {
		82	/* NUBUS_CAT_DISPLAY */
		83	NUBUS_DRSW_APPLE = 0x0001,
		84	NUBUS_DRSW_APPLE_HIRES = 0x0013, /* MacII HiRes card driver */
		85
		86	/* NUBUS_CAT_NETWORK */
		87	NUBUS_DRSW_CABLETRON = 0x0001,
		88	NUBUS_DRSW_SONIC_LC = 0x0001,
		89	NUBUS_DRSW_KINETICS = 0x0103,
		90	NUBUS_DRSW_ASANTE = 0x0104,
		91	NUBUS_DRSW_DAYNA = 0x010b,
		92	NUBUS_DRSW_FARALLON = 0x010c,
		93	NUBUS_DRSW_APPLE_SN = 0x010f,
		94	NUBUS_DRSW_DAYNA2 = 0x0115,
		95	NUBUS_DRSW_FOCUS = 0x011a,
		96	NUBUS_DRSW_ASANTE_CS = 0x011d, /* use asante SMC9194 driver */
		97	NUBUS_DRSW_DAYNA_LC = 0x011e,
		98
		99	/* NUBUS_CAT_CPU */
		100	NUBUS_DRSW_NONE = 0x0000,
		101	};
		102
		103	/* DrHW: Uniquely identifies the hardware interface to a board (or at
		104	least, it should... some video cards are known to incorrectly
		105	identify themselves as Toby cards) */
		106
		107	/* Add known DrHW values here */
		108	enum nubus_drhw {
		109	/* NUBUS_CAT_DISPLAY */
		110	NUBUS_DRHW_APPLE_TFB = 0x0001, /* Toby frame buffer card */
		111	NUBUS_DRHW_APPLE_HRVC = 0x0013, /* Mac II High Res Video card */
		112	NUBUS_DRHW_APPLE_RBV1 = 0x0018, /* IIci RBV video */
		113	NUBUS_DRHW_APPLE_MDC = 0x0019, /* Macintosh Display Card */
		114	NUBUS_DRHW_APPLE_SONORA = 0x0022, /* Sonora built-in video */
		115	NUBUS_DRHW_APPLE_JET = 0x0029, /* Jet framebuffer (DuoDock) */
		116	NUBUS_DRHW_APPLE_VALKYRIE = 0x002e,
		117	NUBUS_DRHW_THUNDER24 = 0x02cb, /* SuperMac Thunder/24 */
		118
		119	/* NUBUS_CAT_NETWORK */
		120	NUBUS_DRHW_INTERLAN = 0x0100,
		121	NUBUS_DRHW_SMC9194 = 0x0101,
		122	NUBUS_DRHW_KINETICS = 0x0106,
		123	NUBUS_DRHW_CABLETRON = 0x0109,
		124	NUBUS_DRHW_ASANTE_LC = 0x010f,
		125	NUBUS_DRHW_SONIC = 0x0110,
		126	NUBUS_DRHW_SONIC_NB = 0x0118,
		127	NUBUS_DRHW_SONIC_LC = 0x0119,
		128
		129	/* NUBUS_CAT_COMMUNICATIONS */
		130	NUBUS_DRHW_DOVEFAX = 0x0100,
		131	};
		132
		133	/* Resource IDs: These are the identifiers for the various weird and
		134	wonderful tidbits of information that may or may not reside in the
		135	NuBus ROM directory. */
		136	enum nubus_res_id {
		137	NUBUS_RESID_TYPE = 0x0001,
		138	NUBUS_RESID_NAME = 0x0002,
		139	NUBUS_RESID_ICON = 0x0003,
		140	NUBUS_RESID_DRVRDIR = 0x0004,
		141	NUBUS_RESID_LOADREC = 0x0005,
		142	NUBUS_RESID_BOOTREC = 0x0006,
		143	NUBUS_RESID_FLAGS = 0x0007,
		144	NUBUS_RESID_HWDEVID = 0x0008,
		145	NUBUS_RESID_MINOR_BASEOS = 0x000a,
		146	NUBUS_RESID_MINOR_LENGTH = 0x000b,
		147	NUBUS_RESID_MAJOR_BASEOS = 0x000c,
		148	NUBUS_RESID_MAJOR_LENGTH = 0x000d,
		149	NUBUS_RESID_CICN = 0x000f,
		150	NUBUS_RESID_ICL8 = 0x0010,
		151	NUBUS_RESID_ICL4 = 0x0011,
		152	};
		153
		154	/* Category-specific resources. */
		155	enum nubus_board_res_id {
		156	NUBUS_RESID_BOARDID = 0x0020,
		157	NUBUS_RESID_PRAMINITDATA = 0x0021,
		158	NUBUS_RESID_PRIMARYINIT = 0x0022,
		159	NUBUS_RESID_TIMEOUTCONST = 0x0023,
		160	NUBUS_RESID_VENDORINFO = 0x0024,
		161	NUBUS_RESID_BOARDFLAGS = 0x0025,
		162	NUBUS_RESID_SECONDINIT = 0x0026,
		163
		164	/* Not sure why Apple put these next two in here */
		165	NUBUS_RESID_VIDNAMES = 0x0041,
		166	NUBUS_RESID_VIDMODES = 0x007e
		167	};
		168
		169	/* Fields within the vendor info directory */
		170	enum nubus_vendor_res_id {
		171	NUBUS_RESID_VEND_ID = 0x0001,
		172	NUBUS_RESID_VEND_SERIAL = 0x0002,
		173	NUBUS_RESID_VEND_REV = 0x0003,
		174	NUBUS_RESID_VEND_PART = 0x0004,
		175	NUBUS_RESID_VEND_DATE = 0x0005
		176	};
		177
		178	enum nubus_net_res_id {
		179	NUBUS_RESID_MAC_ADDRESS = 0x0080
		180	};
		181
		182	enum nubus_cpu_res_id {
		183	NUBUS_RESID_MEMINFO = 0x0081,
		184	NUBUS_RESID_ROMINFO = 0x0082
		185	};
		186
		187	enum nubus_display_res_id {
		188	NUBUS_RESID_GAMMADIR = 0x0040,
		189	NUBUS_RESID_FIRSTMODE = 0x0080,
		190	NUBUS_RESID_SECONDMODE = 0x0081,
		191	NUBUS_RESID_THIRDMODE = 0x0082,
		192	NUBUS_RESID_FOURTHMODE = 0x0083,
		193	NUBUS_RESID_FIFTHMODE = 0x0084,
		194	NUBUS_RESID_SIXTHMODE = 0x0085
		195	};
		196
		197	struct nubus_dir
		198	{
		199	unsigned char *base;
		200	unsigned char *ptr;
		201	int done;
		202	int mask;
		203	};
		204
		205	struct nubus_dirent
		206	{
		207	unsigned char *base;
		208	unsigned char type;
		209	__u32 data; /* Actually 24bits used */
		210	int mask;
		211	};
		212
		213	struct nubus_board {
		214	struct nubus_board* next;
		215	struct nubus_dev* first_dev;
		216
		217	/* Only 9-E actually exist, though 0-8 are also theoretically
		218	possible, and 0 is a special case which represents the
		219	motherboard and onboard peripherals (Ethernet, video) */
		220	int slot;
		221	/* For slot 0, this is bogus. */
		222	char name[64];
		223
		224	/* Format block */
		225	unsigned char* fblock;
		226	/* Root directory (does not always equal fblock + doffset!) */
		227	unsigned char* directory;
		228
		229	unsigned long slot_addr;
		230	/* Offset to root directory (sometimes) */
		231	unsigned long doffset;
		232	/* Length over which to compute the crc */
		233	unsigned long rom_length;
		234	/* Completely useless most of the time */
		235	unsigned long crc;
		236	unsigned char rev;
		237	unsigned char format;
		238	unsigned char lanes;
		239	};
		240
		241	struct nubus_dev {
		242	/* Next link in device list */
		243	struct nubus_dev* next;
		244	/* Directory entry in /proc/bus/nubus */
		245	struct proc_dir_entry* procdir;
		246
		247	/* The functional resource ID of this device */
		248	unsigned char resid;
		249	/* These are mostly here for convenience; we could always read
		250	them from the ROMs if we wanted to */
		251	unsigned short category;
		252	unsigned short type;
		253	unsigned short dr_sw;
		254	unsigned short dr_hw;
		255	/* This is the device's name rather than the board's.
		256	Sometimes they are different. Usually the board name is
		257	more correct. */
		258	char name[64];
		259	/* MacOS driver (I kid you not) */
		260	unsigned char* driver;
		261	/* Actually this is an offset */
		262	unsigned long iobase;
		263	unsigned long iosize;
		264	unsigned char flags, hwdevid;
		265
		266	/* Functional directory */
		267	unsigned char* directory;
		268	/* Much of our info comes from here */
		269	struct nubus_board* board;
		270	};
		271
		272	/* This is all NuBus devices (used to find devices later on) */
		273	extern struct nubus_dev* nubus_devices;
		274	/* This is all NuBus cards */
		275	extern struct nubus_board* nubus_boards;
		276
		277	/* Generic NuBus interface functions, modelled after the PCI interface */
		278	void nubus_scan_bus(void);
		279	extern void nubus_proc_init(void);
		280	int get_nubus_list(char *buf);
		281	int nubus_proc_attach_device(struct nubus_dev *dev);
		282	int nubus_proc_detach_device(struct nubus_dev *dev);
		283	/* If we need more precision we can add some more of these */
		284	struct nubus_dev* nubus_find_device(unsigned short category,
		285	unsigned short type,
		286	unsigned short dr_hw,
		287	unsigned short dr_sw,
		288	const struct nubus_dev* from);
		289	struct nubus_dev* nubus_find_type(unsigned short category,
		290	unsigned short type,
		291	const struct nubus_dev* from);
		292	/* Might have more than one device in a slot, you know... */
		293	struct nubus_dev* nubus_find_slot(unsigned int slot,
		294	const struct nubus_dev* from);
		295
		296	/* These are somewhat more NuBus-specific. They all return 0 for
		297	success and -1 for failure, as you'd expect. */
		298
		299	/* The root directory which contains the board and functional
		300	directories */
		301	int nubus_get_root_dir(const struct nubus_board* board,
		302	struct nubus_dir* dir);
		303	/* The board directory */
		304	int nubus_get_board_dir(const struct nubus_board* board,
		305	struct nubus_dir* dir);
		306	/* The functional directory */
		307	int nubus_get_func_dir(const struct nubus_dev* dev,
		308	struct nubus_dir* dir);
		309
		310	/* These work on any directory gotten via the above */
		311	int nubus_readdir(struct nubus_dir* dir,
		312	struct nubus_dirent* ent);
		313	int nubus_find_rsrc(struct nubus_dir* dir,
		314	unsigned char rsrc_type,
		315	struct nubus_dirent* ent);
		316	int nubus_rewinddir(struct nubus_dir* dir);
		317
		318	/* Things to do with directory entries */
		319	int nubus_get_subdir(const struct nubus_dirent* ent,
		320	struct nubus_dir* dir);
		321	void nubus_get_rsrc_mem(void* dest,
		322	const struct nubus_dirent *dirent,
		323	int len);
		324	void nubus_get_rsrc_str(void* dest,
		325	const struct nubus_dirent *dirent,
		326	int maxlen);
		327
		328	/* We'd like to get rid of this eventually. Only daynaport.c uses it now. */
		329	static inline void *nubus_slot_addr(int slot)
		330	{
		331	return (void *)(0xF0000000\|(slot<<24));
		332	}
		333
		334	#endif /* LINUX_NUBUS_H */

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