patch-2.2.18 linux/include/linux/nubus.h

• Lines: 396
• Date: Sat Oct 14 00:16:33 2000
• Orig file: v2.2.17/include/linux/nubus.h
• Orig date: Fri Apr 21 12:47:00 2000

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/include/linux/nubus.h linux/include/linux/nubus.h
@@ -1,96 +1,324 @@
+/*
+  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];
+  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
 };
 
-struct nbnamevec 
-{
-	char *name;
-	int id;
+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_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,
+	NUBUS_DRHW_APPLE_SONIC_LC = 0x0119,
+};
+
+/* 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;
-};
-
-#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
-
-#define RES_ID_TYPE		0x0001
-#define RES_ID_NAME		0x0002
-#define RES_ID_BOARD_DIR	0x0001
-#define RES_ID_FLAGS		0x0007
-
-struct nubus_device_specifier
-{
-	int (*setup)(struct nubus_device_specifier *, int slot, struct nubus_type *);
-	struct nubus_device_specifier *next;
+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;
+};
 
-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);
-extern void nubus_init(void);
-extern void nubus_sweep_video(void);
-extern int nubus_ethernet_addr(int slot, unsigned char *addr);
+/* 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_init(void);
+void nubus_scan_bus(void);
+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);
 
-extern __inline void *nubus_slot_addr(int slot)
+/* 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