335 lines
10 KiB
C
335 lines
10 KiB
C
/*
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nubus.h: various definitions and prototypes for NuBus drivers to use.
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Originally written by Alan Cox.
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Hacked to death by C. Scott Ananian and David Huggins-Daines.
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Some of the constants in here are from the corresponding
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NetBSD/OpenBSD header file, by Allen Briggs. We figured out the
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rest of them on our own. */
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#ifndef LINUX_NUBUS_H
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#define LINUX_NUBUS_H
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#ifdef __KERNEL__
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#include <asm/nubus.h>
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#endif
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enum nubus_category {
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NUBUS_CAT_BOARD = 0x0001,
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NUBUS_CAT_DISPLAY = 0x0003,
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NUBUS_CAT_NETWORK = 0x0004,
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NUBUS_CAT_COMMUNICATIONS = 0x0006,
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NUBUS_CAT_FONT = 0x0009,
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NUBUS_CAT_CPU = 0x000A,
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/* For lack of a better name */
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NUBUS_CAT_DUODOCK = 0x0020
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};
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enum nubus_type_network {
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NUBUS_TYPE_ETHERNET = 0x0001,
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NUBUS_TYPE_RS232 = 0x0002
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};
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enum nubus_type_display {
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NUBUS_TYPE_VIDEO = 0x0001
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};
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enum nubus_type_cpu {
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NUBUS_TYPE_68020 = 0x0003,
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NUBUS_TYPE_68030 = 0x0004,
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NUBUS_TYPE_68040 = 0x0005
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};
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/* Known <Cat,Type,SW,HW> tuples: (according to TattleTech and Slots)
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* 68030 motherboards: <10,4,0,24>
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* 68040 motherboards: <10,5,0,24>
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* DuoDock Plus: <32,1,1,2>
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*
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* Toby Frame Buffer card: <3,1,1,1>
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* RBV built-in video (IIci): <3,1,1,24>
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* Valkyrie built-in video (Q630): <3,1,1,46>
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* Macintosh Display Card: <3,1,1,25>
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* Sonora built-in video (P460): <3,1,1,34>
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* Jet framebuffer (DuoDock Plus): <3,1,1,41>
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*
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* SONIC comm-slot/on-board and DuoDock Ethernet: <4,1,1,272>
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* SONIC LC-PDS Ethernet (Dayna, but like Apple 16-bit, sort of): <4,1,1,271>
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* Sonic Systems Ethernet A-Series Card: <4,1,268,256>
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* Asante MacCon NuBus-A: <4,1,260,256> (alpha-1.0,1.1 revision)
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* ROM on the above card: <2,1,0,0>
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* Cabletron ethernet card: <4,1,1,265>
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* Farallon ethernet card: <4,1,268,256> (identical to Sonic Systems card)
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* Kinetics EtherPort IIN: <4,1,259,262>
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* API Engineering EtherRun_LCa PDS enet card: <4,1,282,256>
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*
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* Add your devices to the list! You can obtain the "Slots" utility
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* from Apple's FTP site at:
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* ftp://dev.apple.com/devworld/Tool_Chest/Devices_-_Hardware/NuBus_Slot_Manager/
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*
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* Alternately, TattleTech can be found at any Info-Mac mirror site.
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* or from its distribution site: ftp://ftp.decismkr.com/dms
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*/
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/* DrSW: Uniquely identifies the software interface to a board. This
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is usually the one you want to look at when writing a driver. It's
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not as useful as you think, though, because as we should know by
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now (duh), "Apple Compatible" can mean a lot of things... */
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/* Add known DrSW values here */
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enum nubus_drsw {
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/* NUBUS_CAT_DISPLAY */
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NUBUS_DRSW_APPLE = 0x0001,
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NUBUS_DRSW_APPLE_HIRES = 0x0013, /* MacII HiRes card driver */
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/* NUBUS_CAT_NETWORK */
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NUBUS_DRSW_CABLETRON = 0x0001,
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NUBUS_DRSW_SONIC_LC = 0x0001,
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NUBUS_DRSW_KINETICS = 0x0103,
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NUBUS_DRSW_ASANTE = 0x0104,
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NUBUS_DRSW_DAYNA = 0x010b,
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NUBUS_DRSW_FARALLON = 0x010c,
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NUBUS_DRSW_APPLE_SN = 0x010f,
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NUBUS_DRSW_DAYNA2 = 0x0115,
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NUBUS_DRSW_FOCUS = 0x011a,
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NUBUS_DRSW_ASANTE_CS = 0x011d, /* use asante SMC9194 driver */
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NUBUS_DRSW_DAYNA_LC = 0x011e,
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/* NUBUS_CAT_CPU */
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NUBUS_DRSW_NONE = 0x0000,
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};
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/* DrHW: Uniquely identifies the hardware interface to a board (or at
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least, it should... some video cards are known to incorrectly
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identify themselves as Toby cards) */
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/* Add known DrHW values here */
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enum nubus_drhw {
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/* NUBUS_CAT_DISPLAY */
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NUBUS_DRHW_APPLE_TFB = 0x0001, /* Toby frame buffer card */
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NUBUS_DRHW_APPLE_HRVC = 0x0013, /* Mac II High Res Video card */
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NUBUS_DRHW_APPLE_RBV1 = 0x0018, /* IIci RBV video */
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NUBUS_DRHW_APPLE_MDC = 0x0019, /* Macintosh Display Card */
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NUBUS_DRHW_APPLE_SONORA = 0x0022, /* Sonora built-in video */
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NUBUS_DRHW_APPLE_JET = 0x0029, /* Jet framebuffer (DuoDock) */
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NUBUS_DRHW_APPLE_VALKYRIE = 0x002e,
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NUBUS_DRHW_THUNDER24 = 0x02cb, /* SuperMac Thunder/24 */
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/* NUBUS_CAT_NETWORK */
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NUBUS_DRHW_INTERLAN = 0x0100,
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NUBUS_DRHW_SMC9194 = 0x0101,
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NUBUS_DRHW_KINETICS = 0x0106,
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NUBUS_DRHW_CABLETRON = 0x0109,
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NUBUS_DRHW_ASANTE_LC = 0x010f,
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NUBUS_DRHW_SONIC = 0x0110,
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NUBUS_DRHW_SONIC_NB = 0x0118,
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NUBUS_DRHW_SONIC_LC = 0x0119,
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/* NUBUS_CAT_COMMUNICATIONS */
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NUBUS_DRHW_DOVEFAX = 0x0100,
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};
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/* Resource IDs: These are the identifiers for the various weird and
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wonderful tidbits of information that may or may not reside in the
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NuBus ROM directory. */
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enum nubus_res_id {
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NUBUS_RESID_TYPE = 0x0001,
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NUBUS_RESID_NAME = 0x0002,
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NUBUS_RESID_ICON = 0x0003,
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NUBUS_RESID_DRVRDIR = 0x0004,
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NUBUS_RESID_LOADREC = 0x0005,
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NUBUS_RESID_BOOTREC = 0x0006,
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NUBUS_RESID_FLAGS = 0x0007,
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NUBUS_RESID_HWDEVID = 0x0008,
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NUBUS_RESID_MINOR_BASEOS = 0x000a,
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NUBUS_RESID_MINOR_LENGTH = 0x000b,
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NUBUS_RESID_MAJOR_BASEOS = 0x000c,
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NUBUS_RESID_MAJOR_LENGTH = 0x000d,
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NUBUS_RESID_CICN = 0x000f,
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NUBUS_RESID_ICL8 = 0x0010,
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NUBUS_RESID_ICL4 = 0x0011,
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};
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/* Category-specific resources. */
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enum nubus_board_res_id {
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NUBUS_RESID_BOARDID = 0x0020,
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NUBUS_RESID_PRAMINITDATA = 0x0021,
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NUBUS_RESID_PRIMARYINIT = 0x0022,
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NUBUS_RESID_TIMEOUTCONST = 0x0023,
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NUBUS_RESID_VENDORINFO = 0x0024,
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NUBUS_RESID_BOARDFLAGS = 0x0025,
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NUBUS_RESID_SECONDINIT = 0x0026,
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/* Not sure why Apple put these next two in here */
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NUBUS_RESID_VIDNAMES = 0x0041,
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NUBUS_RESID_VIDMODES = 0x007e
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};
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/* Fields within the vendor info directory */
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enum nubus_vendor_res_id {
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NUBUS_RESID_VEND_ID = 0x0001,
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NUBUS_RESID_VEND_SERIAL = 0x0002,
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NUBUS_RESID_VEND_REV = 0x0003,
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NUBUS_RESID_VEND_PART = 0x0004,
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NUBUS_RESID_VEND_DATE = 0x0005
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};
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enum nubus_net_res_id {
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NUBUS_RESID_MAC_ADDRESS = 0x0080
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};
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enum nubus_cpu_res_id {
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NUBUS_RESID_MEMINFO = 0x0081,
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NUBUS_RESID_ROMINFO = 0x0082
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};
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enum nubus_display_res_id {
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NUBUS_RESID_GAMMADIR = 0x0040,
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NUBUS_RESID_FIRSTMODE = 0x0080,
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NUBUS_RESID_SECONDMODE = 0x0081,
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NUBUS_RESID_THIRDMODE = 0x0082,
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NUBUS_RESID_FOURTHMODE = 0x0083,
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NUBUS_RESID_FIFTHMODE = 0x0084,
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NUBUS_RESID_SIXTHMODE = 0x0085
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};
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struct nubus_dir
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{
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unsigned char *base;
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unsigned char *ptr;
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int done;
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int mask;
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};
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struct nubus_dirent
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{
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unsigned char *base;
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unsigned char type;
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__u32 data; /* Actually 24bits used */
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int mask;
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};
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struct nubus_board {
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struct nubus_board* next;
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struct nubus_dev* first_dev;
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/* Only 9-E actually exist, though 0-8 are also theoretically
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possible, and 0 is a special case which represents the
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motherboard and onboard peripherals (Ethernet, video) */
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int slot;
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/* For slot 0, this is bogus. */
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char name[64];
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/* Format block */
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unsigned char* fblock;
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/* Root directory (does *not* always equal fblock + doffset!) */
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unsigned char* directory;
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unsigned long slot_addr;
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/* Offset to root directory (sometimes) */
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unsigned long doffset;
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/* Length over which to compute the crc */
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unsigned long rom_length;
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/* Completely useless most of the time */
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unsigned long crc;
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unsigned char rev;
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unsigned char format;
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unsigned char lanes;
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};
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struct nubus_dev {
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/* Next link in device list */
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struct nubus_dev* next;
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/* Directory entry in /proc/bus/nubus */
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struct proc_dir_entry* procdir;
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/* The functional resource ID of this device */
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unsigned char resid;
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/* These are mostly here for convenience; we could always read
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them from the ROMs if we wanted to */
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unsigned short category;
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unsigned short type;
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unsigned short dr_sw;
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unsigned short dr_hw;
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/* This is the device's name rather than the board's.
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Sometimes they are different. Usually the board name is
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more correct. */
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char name[64];
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/* MacOS driver (I kid you not) */
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unsigned char* driver;
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/* Actually this is an offset */
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unsigned long iobase;
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unsigned long iosize;
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unsigned char flags, hwdevid;
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/* Functional directory */
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unsigned char* directory;
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/* Much of our info comes from here */
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struct nubus_board* board;
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};
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/* This is all NuBus devices (used to find devices later on) */
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extern struct nubus_dev* nubus_devices;
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/* This is all NuBus cards */
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extern struct nubus_board* nubus_boards;
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/* Generic NuBus interface functions, modelled after the PCI interface */
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void nubus_scan_bus(void);
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extern void nubus_proc_init(void);
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int get_nubus_list(char *buf);
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int nubus_proc_attach_device(struct nubus_dev *dev);
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int nubus_proc_detach_device(struct nubus_dev *dev);
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/* If we need more precision we can add some more of these */
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struct nubus_dev* nubus_find_device(unsigned short category,
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unsigned short type,
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unsigned short dr_hw,
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unsigned short dr_sw,
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const struct nubus_dev* from);
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struct nubus_dev* nubus_find_type(unsigned short category,
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unsigned short type,
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const struct nubus_dev* from);
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/* Might have more than one device in a slot, you know... */
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struct nubus_dev* nubus_find_slot(unsigned int slot,
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const struct nubus_dev* from);
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/* These are somewhat more NuBus-specific. They all return 0 for
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success and -1 for failure, as you'd expect. */
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/* The root directory which contains the board and functional
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directories */
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int nubus_get_root_dir(const struct nubus_board* board,
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struct nubus_dir* dir);
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/* The board directory */
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int nubus_get_board_dir(const struct nubus_board* board,
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struct nubus_dir* dir);
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/* The functional directory */
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int nubus_get_func_dir(const struct nubus_dev* dev,
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struct nubus_dir* dir);
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/* These work on any directory gotten via the above */
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int nubus_readdir(struct nubus_dir* dir,
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struct nubus_dirent* ent);
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int nubus_find_rsrc(struct nubus_dir* dir,
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unsigned char rsrc_type,
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struct nubus_dirent* ent);
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int nubus_rewinddir(struct nubus_dir* dir);
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/* Things to do with directory entries */
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int nubus_get_subdir(const struct nubus_dirent* ent,
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struct nubus_dir* dir);
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void nubus_get_rsrc_mem(void* dest,
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const struct nubus_dirent *dirent,
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int len);
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void nubus_get_rsrc_str(void* dest,
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const struct nubus_dirent *dirent,
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int maxlen);
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/* We'd like to get rid of this eventually. Only daynaport.c uses it now. */
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static inline void *nubus_slot_addr(int slot)
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{
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return (void *)(0xF0000000|(slot<<24));
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}
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#endif /* LINUX_NUBUS_H */
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