nubus.h
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上传日期:2013-04-10
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- /*
- 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
- #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>
- * 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_CABLETRON = 0x0001,
- NUBUS_DRSW_SONIC_LC = 0x0001,
- NUBUS_DRSW_KINETICS = 0x0103,
- NUBUS_DRSW_ASANTE = 0x0104,
- NUBUS_DRSW_DAYNA = 0x010b,
- NUBUS_DRSW_FARALLON = 0x010c,
- NUBUS_DRSW_APPLE_SN = 0x010f,
- NUBUS_DRSW_FOCUS = 0x011a,
- NUBUS_DRSW_ASANTE_CS = 0x011d, /* use asante SMC9194 driver */
- /* 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_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_VALKYRIE = 0x002e,
- NUBUS_DRHW_APPLE_JET = 0x0029, /* Jet framebuffer (DuoDock) */
-
- /* 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,
- };
- /* 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;
- };
- 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 */
- extern void nubus_init(void);
- 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);
- /* 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 */