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-rw-r--r--include/linux/nubus.h364
1 files changed, 295 insertions, 69 deletions
diff --git a/include/linux/nubus.h b/include/linux/nubus.h
index c09b95a93..5f46ddd93 100644
--- a/include/linux/nubus.h
+++ b/include/linux/nubus.h
@@ -1,96 +1,322 @@
+/*
+ nubus.h: various definitions and prototypes for NuBus drivers to use.
-struct nubus_slot
-{
- int slot_flags;
-#define NUBUS_DEVICE_PRESENT 1
-#define NUBUS_DEVICE_ACTIVE 2
-#define NUBUS_DEVICE_IRQ 4
- __u32 slot_directory;
- __u32 slot_dlength;
- __u32 slot_crc;
- __u8 slot_rev;
- __u8 slot_format;
- __u8 slot_lanes;
- /*
- * Stuff we pulled from the directory
- */
- __u32 slot_dirbase;
- __u32 slot_thisdir;
- char slot_vendor[64];
- char slot_cardname[64];
-};
-
-struct nbnamevec
-{
- char *name;
- int id;
+ 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
+
+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;
- int length;
- int count;
+ unsigned char *ptr;
+ int done;
int mask;
};
struct nubus_dirent
{
+ unsigned char *base;
unsigned char type;
- int value; /* Actually 24bits used */
+ __u32 data; /* Actually 24bits used */
int mask;
- int base; /* For dirptr function */
};
-struct nubus_type
-{
- __u16 category;
- __u16 type;
- __u16 DrHW;
- __u16 DrSW;
-};
+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];
-#define NUBUS_CAT_BOARD 0x0001
-#define NUBUS_CAT_DISPLAY 0x0003
-#define NUBUS_CAT_NETWORK 0x0004
-#define NUBUS_CAT_COMMUNICATIONS 0x0006
-#define NUBUS_CAT_FONT 0x0009
-#define NUBUS_CAT_CPU 0x000A
+ /* 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;
+};
-#define RES_ID_TYPE 0x0001
-#define RES_ID_NAME 0x0002
-#define RES_ID_BOARD_DIR 0x0001
-#define RES_ID_FLAGS 0x0007
+struct nubus_dev {
+ /* Next link in device list */
+ struct nubus_dev* next;
+ /* Directory entry in /proc/bus/nubus */
+ struct proc_dir_entry* procdir;
-struct nubus_device_specifier
-{
- int (*setup)(struct nubus_device_specifier *, int slot, struct nubus_type *);
- struct nubus_device_specifier *next;
+ /* 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;
-extern void register_nubus_device(struct nubus_device_specifier *nb);
-extern void unregister_nubus_device(struct nubus_device_specifier *nb);
-
-extern struct nubus_dir *nubus_openrootdir(int slot);
-extern struct nubus_dir *nubus_opensubdir(struct nubus_dirent *d);
-extern void nubus_closedir(struct nubus_dir *);
-extern struct nubus_dirent *nubus_readdir(struct nubus_dir *);
-extern unsigned char *nubus_dirptr(struct nubus_dirent *d);
-extern void nubus_strncpy(int slot, void *to, unsigned char *p, int len);
-extern void nubus_memcpy(int slot, void *to, unsigned char *p, int len);
+/* Generic NuBus interface functions, modelled after the PCI interface */
extern void nubus_init(void);
-extern void nubus_sweep_video(void);
-extern int nubus_ethernet_addr(int slot, unsigned char *addr);
+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. */
-extern __inline void *nubus_slot_addr(int slot)
+/* 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. */
+extern inline void *nubus_slot_addr(int slot)
{
return (void *)(0xF0000000|(slot<<24));
}
-extern int nubus_hwreg_present(volatile void *ptr);
-
-extern void nubus_init_via(void);
-extern int nubus_free_irq(int slot);
-extern int nubus_request_irq(int slot, void *dev_id, void (*handler)(int,void *,struct pt_regs *));
-
+#endif LINUX_NUBUS_H