include/asm-ppc/pnp.h

   1 /* 11/02/95                                                                   */
   2 /*----------------------------------------------------------------------------*/
   3 /*      Plug and Play header definitions                                      */
   4 /*----------------------------------------------------------------------------*/
   5
   6 /* Structure map for PnP on PowerPC Reference Platform                        */
   7 /* See Plug and Play ISA Specification, Version 1.0, May 28, 1993.  It        */
   8 /* (or later versions) is available on Compuserve in the PLUGPLAY area.       */
   9 /* This code has extensions to that specification, namely new short and       */
  10 /* long tag types for platform dependent information                          */
  11
  12 /* Warning: LE notation used throughout this file                             */
  13
  14 /* For enum's: if given in hex then they are bit significant, i.e.            */
  15 /* only one bit is on for each enum                                           */
  16
  17 #ifndef _PNP_
  18 #define _PNP_
  19
  20 #ifndef __ASSEMBLY__
  21 #define MAX_MEM_REGISTERS 9
  22 #define MAX_IO_PORTS 20
  23 #define MAX_IRQS 7
  24 /*#define MAX_DMA_CHANNELS 7*/
  25
  26 /* Interrupt controllers */
  27
  28 #define PNPinterrupt0 "PNP0000"      /* AT Interrupt Controller               */
  29 #define PNPinterrupt1 "PNP0001"      /* EISA Interrupt Controller             */
  30 #define PNPinterrupt2 "PNP0002"      /* MCA Interrupt Controller              */
  31 #define PNPinterrupt3 "PNP0003"      /* APIC                                  */
  32 #define PNPExtInt     "IBM000D"      /* PowerPC Extended Interrupt Controller */
  33
  34 /* Timers */
  35
  36 #define PNPtimer0     "PNP0100"      /* AT Timer                              */
  37 #define PNPtimer1     "PNP0101"      /* EISA Timer                            */
  38 #define PNPtimer2     "PNP0102"      /* MCA Timer                             */
  39
  40 /* DMA controllers */
  41
  42 #define PNPdma0       "PNP0200"      /* AT DMA Controller                     */
  43 #define PNPdma1       "PNP0201"      /* EISA DMA Controller                   */
  44 #define PNPdma2       "PNP0202"      /* MCA DMA Controller                    */
  45
  46 /* start of August 15, 1994 additions */
  47 /* CMOS */
  48 #define PNPCMOS       "IBM0009"      /* CMOS                                  */
  49
  50 /* L2 Cache */
  51 #define PNPL2         "IBM0007"      /* L2 Cache                              */
  52
  53 /* NVRAM */
  54 #define PNPNVRAM      "IBM0008"      /* NVRAM                                 */
  55
  56 /* Power Management */
  57 #define PNPPM         "IBM0005"      /* Power Management                      */
  58 /* end of August 15, 1994 additions */
  59
  60 /* Keyboards */
  61
  62 #define PNPkeyboard0  "PNP0300"      /* IBM PC/XT KB Cntlr (83 key, no mouse) */
  63 #define PNPkeyboard1  "PNP0301"      /* Olivetti ICO (102 key)                */
  64 #define PNPkeyboard2  "PNP0302"      /* IBM PC/AT KB Cntlr (84 key)           */
  65 #define PNPkeyboard3  "PNP0303"      /* IBM Enhanced (101/2 key, PS/2 mouse)  */
  66 #define PNPkeyboard4  "PNP0304"      /* Nokia 1050 KB Cntlr                   */
  67 #define PNPkeyboard5  "PNP0305"      /* Nokia 9140 KB Cntlr                   */
  68 #define PNPkeyboard6  "PNP0306"      /* Standard Japanese KB Cntlr            */
  69 #define PNPkeyboard7  "PNP0307"      /* Microsoft Windows (R) KB Cntlr        */
  70
  71 /* Parallel port controllers */
  72
  73 #define PNPparallel0 "PNP0400"       /* Standard LPT Parallel Port            */
  74 #define PNPparallel1 "PNP0401"       /* ECP Parallel Port                     */
  75 #define PNPepp       "IBM001C"       /* EPP Parallel Port                     */
  76
  77 /* Serial port controllers */
  78
  79 #define PNPserial0   "PNP0500"       /* Standard PC Serial port               */
  80 #define PNPSerial1   "PNP0501"       /* 16550A Compatible Serial port         */
  81
  82 /* Disk controllers */
  83
  84 #define PNPdisk0     "PNP0600"       /* Generic ESDI/IDE/ATA Compat HD Cntlr  */
  85 #define PNPdisk1     "PNP0601"       /* Plus Hardcard II                      */
  86 #define PNPdisk2     "PNP0602"       /* Plus Hardcard IIXL/EZ                 */
  87
  88 /* Diskette controllers */
  89
  90 #define PNPdiskette0 "PNP0700"       /* PC Standard Floppy Disk Controller    */
  91
  92 /* Display controllers */
  93
  94 #define PNPdisplay0  "PNP0900"       /* VGA Compatible                        */
  95 #define PNPdisplay1  "PNP0901"       /* Video Seven VGA                       */
  96 #define PNPdisplay2  "PNP0902"       /* 8514/A Compatible                     */
  97 #define PNPdisplay3  "PNP0903"       /* Trident VGA                           */
  98 #define PNPdisplay4  "PNP0904"       /* Cirrus Logic Laptop VGA               */
  99 #define PNPdisplay5  "PNP0905"       /* Cirrus Logic VGA                      */
 100 #define PNPdisplay6  "PNP0906"       /* Tseng ET4000 or ET4000/W32            */
 101 #define PNPdisplay7  "PNP0907"       /* Western Digital VGA                   */
 102 #define PNPdisplay8  "PNP0908"       /* Western Digital Laptop VGA            */
 103 #define PNPdisplay9  "PNP0909"       /* S3                                    */
 104 #define PNPdisplayA  "PNP090A"       /* ATI Ultra Pro/Plus (Mach 32)          */
 105 #define PNPdisplayB  "PNP090B"       /* ATI Ultra (Mach 8)                    */
 106 #define PNPdisplayC  "PNP090C"       /* XGA Compatible                        */
 107 #define PNPdisplayD  "PNP090D"       /* ATI VGA Wonder                        */
 108 #define PNPdisplayE  "PNP090E"       /* Weitek P9000 Graphics Adapter         */
 109 #define PNPdisplayF  "PNP090F"       /* Oak Technology VGA                    */
 110
 111 /* Peripheral busses */
 112
 113 #define PNPbuses0    "PNP0A00"       /* ISA Bus                               */
 114 #define PNPbuses1    "PNP0A01"       /* EISA Bus                              */
 115 #define PNPbuses2    "PNP0A02"       /* MCA Bus                               */
 116 #define PNPbuses3    "PNP0A03"       /* PCI Bus                               */
 117 #define PNPbuses4    "PNP0A04"       /* VESA/VL Bus                           */
 118
 119 /* RTC, BIOS, planar devices */
 120
 121 #define PNPspeaker0  "PNP0800"       /* AT Style Speaker Sound                */
 122 #define PNPrtc0      "PNP0B00"       /* AT RTC                                */
 123 #define PNPpnpbios0  "PNP0C00"       /* PNP BIOS (only created by root enum)  */
 124 #define PNPpnpbios1  "PNP0C01"       /* System Board Memory Device            */
 125 #define PNPpnpbios2  "PNP0C02"       /* Math Coprocessor                      */
 126 #define PNPpnpbios3  "PNP0C03"       /* PNP BIOS Event Notification Interrupt */
 127
 128 /* PCMCIA controller */
 129
 130 #define PNPpcmcia0   "PNP0E00"       /* Intel 82365 Compatible PCMCIA Cntlr   */
 131
 132 /* Mice */
 133
 134 #define PNPmouse0    "PNP0F00"       /* Microsoft Bus Mouse                   */
 135 #define PNPmouse1    "PNP0F01"       /* Microsoft Serial Mouse                */
 136 #define PNPmouse2    "PNP0F02"       /* Microsoft Inport Mouse                */
 137 #define PNPmouse3    "PNP0F03"       /* Microsoft PS/2 Mouse                  */
 138 #define PNPmouse4    "PNP0F04"       /* Mousesystems Mouse                    */
 139 #define PNPmouse5    "PNP0F05"       /* Mousesystems 3 Button Mouse - COM2    */
 140 #define PNPmouse6    "PNP0F06"       /* Genius Mouse - COM1                   */
 141 #define PNPmouse7    "PNP0F07"       /* Genius Mouse - COM2                   */
 142 #define PNPmouse8    "PNP0F08"       /* Logitech Serial Mouse                 */
 143 #define PNPmouse9    "PNP0F09"       /* Microsoft Ballpoint Serial Mouse      */
 144 #define PNPmouseA    "PNP0F0A"       /* Microsoft PNP Mouse                   */
 145 #define PNPmouseB    "PNP0F0B"       /* Microsoft PNP Ballpoint Mouse         */
 146
 147 /* Modems */
 148
 149 #define PNPmodem0    "PNP9000"       /* Specific IDs TBD                      */
 150
 151 /* Network controllers */
 152
 153 #define PNPnetworkC9 "PNP80C9"       /* IBM Token Ring                        */
 154 #define PNPnetworkCA "PNP80CA"       /* IBM Token Ring II                     */
 155 #define PNPnetworkCB "PNP80CB"       /* IBM Token Ring II/Short               */
 156 #define PNPnetworkCC "PNP80CC"       /* IBM Token Ring 4/16Mbs                */
 157 #define PNPnetwork27 "PNP8327"       /* IBM Token Ring (All types)            */
 158 #define PNPnetworket "IBM0010"       /* IBM Ethernet used by Power PC         */
 159 #define PNPneteisaet "IBM2001"       /* IBM Ethernet EISA adapter             */
 160 #define PNPAMD79C970 "IBM0016"       /* AMD 79C970 (PCI Ethernet)             */
 161
 162 /* SCSI controllers */
 163
 164 #define PNPscsi0     "PNPA000"       /* Adaptec 154x Compatible SCSI Cntlr    */
 165 #define PNPscsi1     "PNPA001"       /* Adaptec 174x Compatible SCSI Cntlr    */
 166 #define PNPscsi2     "PNPA002"       /* Future Domain 16-700 Compat SCSI Cntlr*/
 167 #define PNPscsi3     "PNPA003"       /* Panasonic CDROM Adapter (SBPro/SB16)  */
 168 #define PNPscsiF     "IBM000F"       /* NCR 810 SCSI Controller               */
 169 #define PNPscsi825   "IBM001B"       /* NCR 825 SCSI Controller               */
 170 #define PNPscsi875   "IBM0018"       /* NCR 875 SCSI Controller               */
 171
 172 /* Sound/Video, Multimedia */
 173
 174 #define PNPmm0       "PNPB000"       /* Sound Blaster Compatible Sound Device */
 175 #define PNPmm1       "PNPB001"       /* MS Windows Sound System Compat Device */
 176 #define PNPmmF       "IBM000E"       /* Crystal CS4231 Audio Device           */
 177 #define PNPv7310     "IBM0015"       /* ASCII V7310 Video Capture Device      */
 178 #define PNPmm4232    "IBM0017"       /* Crystal CS4232 Audio Device           */
 179 #define PNPpmsyn     "IBM001D"       /* YMF 289B chip (Yamaha)                */
 180 #define PNPgp4232    "IBM0012"       /* Crystal CS4232 Game Port              */
 181 #define PNPmidi4232  "IBM0013"       /* Crystal CS4232 MIDI                   */
 182
 183 /* Operator Panel */
 184 #define PNPopctl     "IBM000B"       /* Operator's panel                      */
 185
 186 /* Service Processor */
 187 #define PNPsp        "IBM0011"       /* IBM Service Processor                 */
 188 #define PNPLTsp      "IBM001E"       /* Lightning/Terlingua Support Processor */
 189 #define PNPLTmsp     "IBM001F"       /* Lightning/Terlingua Mini-SP           */
 190
 191 /* Memory Controller */
 192 #define PNPmemctl    "IBM000A"       /* Memory controller                     */
 193
 194 /* Graphics Assist */
 195 #define PNPg_assist  "IBM0014"       /* Graphics Assist                       */
 196
 197 /* Miscellaneous Device Controllers */
 198 #define PNPtablet    "IBM0019"       /* IBM Tablet Controller                 */
 199
 200 /* PNP Packet Handles */
 201
 202 #define S1_Packet                0x0A   /* Version resource                   */
 203 #define S2_Packet                0x15   /* Logical DEVID (without flags)      */
 204 #define S2_Packet_flags          0x16   /* Logical DEVID (with flags)         */
 205 #define S3_Packet                0x1C   /* Compatible device ID               */
 206 #define S4_Packet                0x22   /* IRQ resource (without flags)       */
 207 #define S4_Packet_flags          0x23   /* IRQ resource (with flags)          */
 208 #define S5_Packet                0x2A   /* DMA resource                       */
 209 #define S6_Packet                0x30   /* Depend funct start (w/o priority)  */
 210 #define S6_Packet_priority       0x31   /* Depend funct start (w/ priority)   */
 211 #define S7_Packet                0x38   /* Depend funct end                   */
 212 #define S8_Packet                0x47   /* I/O port resource (w/o fixed loc)  */
 213 #define S9_Packet_fixed          0x4B   /* I/O port resource (w/ fixed loc)   */
 214 #define S14_Packet               0x71   /* Vendor defined                     */
 215 #define S15_Packet               0x78   /* End of resource (w/o checksum)     */
 216 #define S15_Packet_checksum      0x79   /* End of resource (w/ checksum)      */
 217 #define L1_Packet                0x81   /* Memory range                       */
 218 #define L1_Shadow                0x20   /* Memory is shadowable               */
 219 #define L1_32bit_mem             0x18   /* 32-bit memory only                 */
 220 #define L1_8_16bit_mem           0x10   /* 8- and 16-bit supported            */
 221 #define L1_Decode_Hi             0x04   /* decode supports high address       */
 222 #define L1_Cache                 0x02   /* read cacheable, write-through      */
 223 #define L1_Writeable             0x01   /* Memory is writeable                */
 224 #define L2_Packet                0x82   /* ANSI ID string                     */
 225 #define L3_Packet                0x83   /* Unicode ID string                  */
 226 #define L4_Packet                0x84   /* Vendor defined                     */
 227 #define L5_Packet                0x85   /* Large I/O                          */
 228 #define L6_Packet                0x86   /* 32-bit Fixed Loc Mem Range Desc    */
 229 #define END_TAG                  0x78   /* End of resource                    */
 230 #define DF_START_TAG             0x30   /* Dependent function start           */
 231 #define DF_START_TAG_priority    0x31   /* Dependent function start           */
 232 #define DF_END_TAG               0x38   /* Dependent function end             */
 233 #define SUBOPTIMAL_CONFIGURATION 0x2    /* Priority byte sub optimal config   */
 234
 235 /* Device Base Type Codes */
 236
 237 typedef enum _PnP_BASE_TYPE {
 238   Reserved = 0,
 239   MassStorageDevice = 1,
 240   NetworkInterfaceController = 2,
 241   DisplayController = 3,
 242   MultimediaController = 4,
 243   MemoryController = 5,
 244   BridgeController = 6,
 245   CommunicationsDevice = 7,
 246   SystemPeripheral = 8,
 247   InputDevice = 9,
 248   ServiceProcessor = 0x0A,              /* 11/2/95                            */
 249   } PnP_BASE_TYPE;
 250
 251 /* Device Sub Type Codes */
 252
 253 typedef enum _PnP_SUB_TYPE {
 254   SCSIController = 0,
 255   IDEController = 1,
 256   FloppyController = 2,
 257   IPIController = 3,
 258   OtherMassStorageController = 0x80,
 259
 260   EthernetController = 0,
 261   TokenRingController = 1,
 262   FDDIController = 2,
 263   OtherNetworkController = 0x80,
 264
 265   VGAController= 0,
 266   SVGAController= 1,
 267   XGAController= 2,
 268   OtherDisplayController = 0x80,
 269
 270   VideoController = 0,
 271   AudioController = 1,
 272   OtherMultimediaController = 0x80,
 273
 274   RAM = 0,
 275   FLASH = 1,
 276   OtherMemoryDevice = 0x80,
 277
 278   HostProcessorBridge = 0,
 279   ISABridge = 1,
 280   EISABridge = 2,
 281   MicroChannelBridge = 3,
 282   PCIBridge = 4,
 283   PCMCIABridge = 5,
 284   VMEBridge = 6,
 285   OtherBridgeDevice = 0x80,
 286
 287   RS232Device = 0,
 288   ATCompatibleParallelPort = 1,
 289   OtherCommunicationsDevice = 0x80,
 290
 291   ProgrammableInterruptController = 0,
 292   DMAController = 1,
 293   SystemTimer = 2,
 294   RealTimeClock = 3,
 295   L2Cache = 4,
 296   NVRAM = 5,
 297   PowerManagement = 6,
 298   CMOS = 7,
 299   OperatorPanel = 8,
 300   ServiceProcessorClass1 = 9,
 301   ServiceProcessorClass2 = 0xA,
 302   ServiceProcessorClass3 = 0xB,
 303   GraphicAssist = 0xC,
 304   SystemPlanar = 0xF,                   /* 10/5/95                            */
 305   OtherSystemPeripheral = 0x80,
 306
 307   KeyboardController = 0,
 308   Digitizer = 1,
 309   MouseController = 2,
 310   TabletController = 3,                 /* 10/27/95                           */
 311   OtherInputController = 0x80,
 312
 313   GeneralMemoryController = 0,
 314   } PnP_SUB_TYPE;
 315
 316 /* Device Interface Type Codes */
 317
 318 typedef enum _PnP_INTERFACE {
 319   General = 0,
 320   GeneralSCSI = 0,
 321   GeneralIDE = 0,
 322   ATACompatible = 1,
 323
 324   GeneralFloppy = 0,
 325   Compatible765 = 1,
 326   NS398_Floppy = 2,                     /* NS Super I/O wired to use index
 327                                            register at port 398 and data
 328                                            register at port 399               */
 329   NS26E_Floppy = 3,                     /* Ports 26E and 26F                  */
 330   NS15C_Floppy = 4,                     /* Ports 15C and 15D                  */
 331   NS2E_Floppy = 5,                      /* Ports 2E and 2F                    */
 332   CHRP_Floppy = 6,                      /* CHRP Floppy in PR*P system         */
 333
 334   GeneralIPI = 0,
 335
 336   GeneralEther = 0,
 337   GeneralToken = 0,
 338   GeneralFDDI = 0,
 339
 340   GeneralVGA = 0,
 341   GeneralSVGA = 0,
 342   GeneralXGA = 0,
 343
 344   GeneralVideo = 0,
 345   GeneralAudio = 0,
 346   CS4232Audio = 1,                      /* CS 4232 Plug 'n Play Configured    */
 347
 348   GeneralRAM = 0,
 349   GeneralFLASH = 0,
 350   PCIMemoryController = 0,              /* PCI Config Method                  */
 351   RS6KMemoryController = 1,             /* RS6K Config Method                 */
 352
 353   GeneralHostBridge = 0,
 354   GeneralISABridge = 0,
 355   GeneralEISABridge = 0,
 356   GeneralMCABridge = 0,
 357   GeneralPCIBridge = 0,
 358   PCIBridgeDirect = 0,
 359   PCIBridgeIndirect = 1,
 360   PCIBridgeRS6K = 2,
 361   GeneralPCMCIABridge = 0,
 362   GeneralVMEBridge = 0,
 363
 364   GeneralRS232 = 0,
 365   COMx = 1,
 366   Compatible16450 = 2,
 367   Compatible16550 = 3,
 368   NS398SerPort = 4,                     /* NS Super I/O wired to use index
 369                                            register at port 398 and data
 370                                            register at port 399               */
 371   NS26ESerPort = 5,                     /* Ports 26E and 26F                  */
 372   NS15CSerPort = 6,                     /* Ports 15C and 15D                  */
 373   NS2ESerPort = 7,                      /* Ports 2E and 2F                    */
 374
 375   GeneralParPort = 0,
 376   LPTx = 1,
 377   NS398ParPort = 2,                     /* NS Super I/O wired to use index
 378                                            register at port 398 and data
 379                                            register at port 399               */
 380   NS26EParPort = 3,                     /* Ports 26E and 26F                  */
 381   NS15CParPort = 4,                     /* Ports 15C and 15D                  */
 382   NS2EParPort = 5,                      /* Ports 2E and 2F                    */
 383
 384   GeneralPIC = 0,
 385   ISA_PIC = 1,
 386   EISA_PIC = 2,
 387   MPIC = 3,
 388   RS6K_PIC = 4,
 389
 390   GeneralDMA = 0,
 391   ISA_DMA = 1,
 392   EISA_DMA = 2,
 393
 394   GeneralTimer = 0,
 395   ISA_Timer = 1,
 396   EISA_Timer = 2,
 397   GeneralRTC = 0,
 398   ISA_RTC = 1,
 399
 400   StoreThruOnly = 1,
 401   StoreInEnabled = 2,
 402   RS6KL2Cache = 3,
 403
 404   IndirectNVRAM = 0,                    /* Indirectly addressed               */
 405   DirectNVRAM = 1,                      /* Memory Mapped                      */
 406   IndirectNVRAM24 = 2,                  /* Indirectly addressed - 24 bit      */
 407
 408   GeneralPowerManagement = 0,
 409   EPOWPowerManagement = 1,
 410   PowerControl = 2,                    /* d1378 */
 411
 412   GeneralCMOS = 0,
 413
 414   GeneralOPPanel = 0,
 415   HarddiskLight = 1,
 416   CDROMLight = 2,
 417   PowerLight = 3,
 418   KeyLock = 4,
 419   ANDisplay = 5,                        /* AlphaNumeric Display               */
 420   SystemStatusLED = 6,                  /* 3 digit 7 segment LED              */
 421   CHRP_SystemStatusLED = 7,             /* CHRP LEDs in PR*P system           */
 422
 423   GeneralServiceProcessor = 0,
 424
 425   TransferData = 1,
 426   IGMC32 = 2,
 427   IGMC64 = 3,
 428
 429   GeneralSystemPlanar = 0,              /* 10/5/95                            */
 430
 431   } PnP_INTERFACE;
 432
 433 /* PnP resources */
 434
 435 /* Compressed ASCII is 5 bits per char; 00001=A ... 11010=Z */
 436
 437 typedef struct _SERIAL_ID {
 438   unsigned char VendorID0;              /*    Bit(7)=0                        */
 439                                         /*    Bits(6:2)=1st character in      */
 440                                         /*       compressed ASCII             */
 441                                         /*    Bits(1:0)=2nd character in      */
 442                                         /*       compressed ASCII bits(4:3)   */
 443   unsigned char VendorID1;              /*    Bits(7:5)=2nd character in      */
 444                                         /*       compressed ASCII bits(2:0)   */
 445                                         /*    Bits(4:0)=3rd character in      */
 446                                         /*       compressed ASCII             */
 447   unsigned char VendorID2;              /* Product number - vendor assigned   */
 448   unsigned char VendorID3;              /* Product number - vendor assigned   */
 449
 450 /* Serial number is to provide uniqueness if more than one board of same      */
 451 /* type is in system.  Must be "FFFFFFFF" if feature not supported.           */
 452
 453   unsigned char Serial0;                /* Unique serial number bits (7:0)    */
 454   unsigned char Serial1;                /* Unique serial number bits (15:8)   */
 455   unsigned char Serial2;                /* Unique serial number bits (23:16)  */
 456   unsigned char Serial3;                /* Unique serial number bits (31:24)  */
 457   unsigned char Checksum;
 458   } SERIAL_ID;
 459
 460 typedef enum _PnPItemName {
 461   Unused = 0,
 462   PnPVersion = 1,
 463   LogicalDevice = 2,
 464   CompatibleDevice = 3,
 465   IRQFormat = 4,
 466   DMAFormat = 5,
 467   StartDepFunc = 6,
 468   EndDepFunc = 7,
 469   IOPort = 8,
 470   FixedIOPort = 9,
 471   Res1 = 10,
 472   Res2 = 11,
 473   Res3 = 12,
 474   SmallVendorItem = 14,
 475   EndTag = 15,
 476   MemoryRange = 1,
 477   ANSIIdentifier = 2,
 478   UnicodeIdentifier = 3,
 479   LargeVendorItem = 4,
 480   MemoryRange32 = 5,
 481   MemoryRangeFixed32 = 6,
 482   } PnPItemName;
 483
 484 /* Define a bunch of access functions for the bits in the tag field */
 485
 486 /* Tag type - 0 = small; 1 = large */
 487 #define tag_type(t) (((t) & 0x80)>>7)
 488 #define set_tag_type(t,v) (t = (t & 0x7f) | ((v)<<7))
 489
 490 /* Small item name is 4 bits - one of PnPItemName enum above */
 491 #define tag_small_item_name(t) (((t) & 0x78)>>3)
 492 #define set_tag_small_item_name(t,v) (t = (t & 0x07) | ((v)<<3))
 493
 494 /* Small item count is 3 bits - count of further bytes in packet */
 495 #define tag_small_count(t) ((t) & 0x07)
 496 #define set_tag_count(t,v) (t = (t & 0x78) | (v))
 497
 498 /* Large item name is 7 bits - one of PnPItemName enum above */
 499 #define tag_large_item_name(t) ((t) & 0x7f)
 500 #define set_tag_large_item_name(t,v) (t = (t | 0x80) | (v))
 501
 502 /* a PnP resource is a bunch of contiguous TAG packets ending with an end tag */
 503
 504 typedef union _PnP_TAG_PACKET {
 505   struct _S1_Pack{                      /* VERSION PACKET                     */
 506     unsigned char Tag;                  /* small tag = 0x0a                   */
 507     unsigned char Version[2];           /* PnP version, Vendor version        */
 508     } S1_Pack;
 509
 510   struct _S2_Pack{                      /* LOGICAL DEVICE ID PACKET           */
 511     unsigned char Tag;                  /* small tag = 0x15 or 0x16           */
 512     unsigned char DevId[4];             /* Logical device id                  */
 513     unsigned char Flags[2];             /* bit(0) boot device;                */
 514                                         /* bit(7:1) cmd in range x31-x37      */
 515                                         /* bit(7:0) cmd in range x28-x3f (opt)*/
 516     } S2_Pack;
 517
 518   struct _S3_Pack{                      /* COMPATIBLE DEVICE ID PACKET        */
 519     unsigned char Tag;                  /* small tag = 0x1c                   */
 520     unsigned char CompatId[4];          /* Compatible device id               */
 521     } S3_Pack;
 522
 523   struct _S4_Pack{                      /* IRQ PACKET                         */
 524     unsigned char Tag;                  /* small tag = 0x22 or 0x23           */
 525     unsigned char IRQMask[2];           /* bit(0) is IRQ0, ...;               */
 526                                         /* bit(0) is IRQ8 ...                 */
 527     unsigned char IRQInfo;              /* optional; assume bit(0)=1; else    */
 528                                         /*  bit(0) - high true edge sensitive */
 529                                         /*  bit(1) - low true edge sensitive  */
 530                                         /*  bit(2) - high true level sensitive*/
 531                                         /*  bit(3) - low true level sensitive */
 532                                         /*  bit(7:4) - must be 0              */
 533     } S4_Pack;
 534
 535   struct _S5_Pack{                      /* DMA PACKET                         */
 536     unsigned char Tag;                  /* small tag = 0x2a                   */
 537     unsigned char DMAMask;              /* bit(0) is channel 0 ...            */
 538     unsigned char DMAInfo;
 539     } S5_Pack;
 540
 541   struct _S6_Pack{                      /* START DEPENDENT FUNCTION PACKET    */
 542     unsigned char Tag;                  /* small tag = 0x30 or 0x31           */
 543     unsigned char Priority;             /* Optional; if missing then x01; else*/
 544                                         /*  x00 = best possible               */
 545                                         /*  x01 = acceptible                  */
 546                                         /*  x02 = sub-optimal but functional  */
 547     } S6_Pack;
 548
 549   struct _S7_Pack{                      /* END DEPENDENT FUNCTION PACKET      */
 550     unsigned char Tag;                  /* small tag = 0x38                   */
 551     } S7_Pack;
 552
 553   struct _S8_Pack{                      /* VARIABLE I/O PORT PACKET           */
 554     unsigned char Tag;                  /* small tag x47                      */
 555     unsigned char IOInfo;               /* x0  = decode only bits(9:0);       */
 556 #define  ISAAddr16bit         0x01      /* x01 = decode bits(15:0)            */
 557     unsigned char RangeMin[2];          /* Min base address                   */
 558     unsigned char RangeMax[2];          /* Max base address                   */
 559     unsigned char IOAlign;              /* base alignmt, incr in 1B blocks    */
 560     unsigned char IONum;                /* number of contiguous I/O ports     */
 561     } S8_Pack;
 562
 563   struct _S9_Pack{                      /* FIXED I/O PORT PACKET              */
 564     unsigned char Tag;                  /* small tag = 0x4b                   */
 565     unsigned char Range[2];             /* base address 10 bits               */
 566     unsigned char IONum;                /* number of contiguous I/O ports     */
 567     } S9_Pack;
 568
 569   struct _S14_Pack{                     /* VENDOR DEFINED PACKET              */
 570     unsigned char Tag;                  /* small tag = 0x7m m = 1-7           */
 571     union _S14_Data{
 572       unsigned char Data[7];            /* Vendor defined                     */
 573       struct _S14_PPCPack{              /* Pr*p s14 pack                      */
 574          unsigned char Type;            /* 00=non-IBM                         */
 575          unsigned char PPCData[6];      /* Vendor defined                     */
 576         } S14_PPCPack;
 577       } S14_Data;
 578     } S14_Pack;
 579
 580   struct _S15_Pack{                     /* END PACKET                         */
 581     unsigned char Tag;                  /* small tag = 0x78 or 0x79           */
 582     unsigned char Check;                /* optional - checksum                */
 583     } S15_Pack;
 584
 585   struct _L1_Pack{                      /* MEMORY RANGE PACKET                */
 586     unsigned char Tag;                  /* large tag = 0x81                   */
 587     unsigned char Count0;               /* x09                                */
 588     unsigned char Count1;               /* x00                                */
 589     unsigned char Data[9];              /* a variable array of bytes,         */
 590                                         /* count in tag                       */
 591     } L1_Pack;
 592
 593   struct _L2_Pack{                      /* ANSI ID STRING PACKET              */
 594     unsigned char Tag;                  /* large tag = 0x82                   */
 595     unsigned char Count0;               /* Length of string                   */
 596     unsigned char Count1;
 597     unsigned char Identifier[1];        /* a variable array of bytes,         */
 598                                         /* count in tag                       */
 599     } L2_Pack;
 600
 601   struct _L3_Pack{                      /* UNICODE ID STRING PACKET           */
 602     unsigned char Tag;                  /* large tag = 0x83                   */
 603     unsigned char Count0;               /* Length + 2 of string               */
 604     unsigned char Count1;
 605     unsigned char Country0;             /* TBD                                */
 606     unsigned char Country1;             /* TBD                                */
 607     unsigned char Identifier[1];        /* a variable array of bytes,         */
 608                                         /* count in tag                       */
 609     } L3_Pack;
 610
 611   struct _L4_Pack{                      /* VENDOR DEFINED PACKET              */
 612     unsigned char Tag;                  /* large tag = 0x84                   */
 613     unsigned char Count0;
 614     unsigned char Count1;
 615     union _L4_Data{
 616       unsigned char Data[1];            /* a variable array of bytes,         */
 617                                         /* count in tag                       */
 618       struct _L4_PPCPack{               /* Pr*p L4 packet                     */
 619          unsigned char Type;            /* 00=non-IBM                         */
 620          unsigned char PPCData[1];      /* a variable array of bytes,         */
 621                                         /* count in tag                       */
 622         } L4_PPCPack;
 623       } L4_Data;
 624     } L4_Pack;
 625
 626   struct _L5_Pack{
 627     unsigned char Tag;                  /* large tag = 0x85                   */
 628     unsigned char Count0;               /* Count = 17                         */
 629     unsigned char Count1;
 630     unsigned char Data[17];
 631     } L5_Pack;
 632
 633   struct _L6_Pack{
 634     unsigned char Tag;                  /* large tag = 0x86                   */
 635     unsigned char Count0;               /* Count = 9                          */
 636     unsigned char Count1;
 637     unsigned char Data[9];
 638     } L6_Pack;
 639
 640   } PnP_TAG_PACKET;
 641
 642 #endif /* __ASSEMBLY__ */
 643 #endif  /* ndef _PNP_ */