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1.1 ! root 1: /*++ ! 2: ! 3: Copyright (c) 1989, 1990, 1991, 1992, 1993 Microsoft Corporation ! 4: ! 5: Module Name: ! 6: ! 7: inport.h ! 8: ! 9: Abstract: ! 10: ! 11: These are the structures and defines that are used in the ! 12: Microsoft Inport mouse port driver. ! 13: ! 14: Revision History: ! 15: ! 16: --*/ ! 17: ! 18: #ifndef _INPORT_ ! 19: #define _INPORT_ ! 20: ! 21: #include <ntddmou.h> ! 22: #include "kbdmou.h" ! 23: #include "inpcfg.h" ! 24: ! 25: // ! 26: // Default number of buttons and sample rate for the Inport mouse. ! 27: // ! 28: ! 29: #define MOUSE_NUMBER_OF_BUTTONS 2 ! 30: #define MOUSE_SAMPLE_RATE_50HZ 50 ! 31: ! 32: // ! 33: // Define the Inport chip reset value. ! 34: // ! 35: ! 36: #define INPORT_RESET 0x80 ! 37: ! 38: // ! 39: // Define the data registers (pointed to by the Inport address register). ! 40: // ! 41: ! 42: #define INPORT_DATA_REGISTER_1 1 ! 43: #define INPORT_DATA_REGISTER_2 2 ! 44: ! 45: // ! 46: // Define the Inport identification register and the chip code. ! 47: // ! 48: ! 49: #define INPORT_ID_REGISTER 2 ! 50: #define INPORT_ID_CODE 0xDE ! 51: ! 52: // ! 53: // Define the Inport mouse status register and the status bits. ! 54: // ! 55: ! 56: #define INPORT_STATUS_REGISTER 0 ! 57: #define INPORT_STATUS_BUTTON3 0x01 ! 58: #define INPORT_STATUS_BUTTON2 0x02 ! 59: #define INPORT_STATUS_BUTTON1 0x04 ! 60: #define INPORT_STATUS_MOVEMENT 0x40 ! 61: ! 62: // ! 63: // Define the Inport mouse mode register and mode bits. ! 64: // ! 65: ! 66: #define INPORT_MODE_REGISTER 7 ! 67: #define INPORT_MODE_0 0x00 // 0 HZ - INTR = 0 ! 68: #define INPORT_MODE_30HZ 0x01 ! 69: #define INPORT_MODE_50HZ 0x02 ! 70: #define INPORT_MODE_100HZ 0x03 ! 71: #define INPORT_MODE_200HZ 0x04 ! 72: #define INPORT_MODE_1 0x06 // 0 HZ - INTR = 1 ! 73: #define INPORT_DATA_INTERRUPT_ENABLE 0x08 ! 74: #define INPORT_TIMER_INTERRUPT_ENABLE 0x10 ! 75: #define INPORT_MODE_HOLD 0x20 ! 76: #define INPORT_MODE_QUADRATURE 0x00 ! 77: ! 78: // ! 79: // Inport mouse configuration information. ! 80: // ! 81: ! 82: typedef struct _INPORT_CONFIGURATION_INFORMATION { ! 83: ! 84: // ! 85: // Bus interface type. ! 86: // ! 87: ! 88: INTERFACE_TYPE InterfaceType; ! 89: ! 90: // ! 91: // Bus Number. ! 92: // ! 93: ! 94: ULONG BusNumber; ! 95: ! 96: // ! 97: // The port/register resources used by this device. ! 98: // ! 99: ! 100: CM_PARTIAL_RESOURCE_DESCRIPTOR PortList[1]; ! 101: ULONG PortListCount; ! 102: ! 103: // ! 104: // Interrupt resources. ! 105: // ! 106: ! 107: CM_PARTIAL_RESOURCE_DESCRIPTOR MouseInterrupt; ! 108: ! 109: // ! 110: // The mapped address for the set of this device's registers. ! 111: // ! 112: ! 113: PUCHAR DeviceRegisters[1]; ! 114: ! 115: // ! 116: // Set at intialization to indicate that the base register ! 117: // address must be unmapped when the driver is unloaded. ! 118: // ! 119: ! 120: BOOLEAN UnmapRegistersRequired; ! 121: ! 122: // ! 123: // Flag that indicates whether floating point context should be saved. ! 124: // ! 125: ! 126: BOOLEAN FloatingSave; ! 127: ! 128: // ! 129: // Mouse attributes. ! 130: // ! 131: ! 132: MOUSE_ATTRIBUTES MouseAttributes; ! 133: ! 134: // ! 135: // Inport mode register Hz specifier for mouse interrupts. ! 136: // ! 137: ! 138: UCHAR HzMode; ! 139: ! 140: } INPORT_CONFIGURATION_INFORMATION, *PINPORT_CONFIGURATION_INFORMATION; ! 141: ! 142: // ! 143: // Port device extension. ! 144: // ! 145: ! 146: typedef struct _DEVICE_EXTENSION { ! 147: ! 148: // ! 149: // If HardwarePresent is TRUE, there is an Inport mouse present in ! 150: // the system. ! 151: // ! 152: ! 153: BOOLEAN HardwarePresent; ! 154: ! 155: // ! 156: // Port configuration information. ! 157: // ! 158: ! 159: INPORT_CONFIGURATION_INFORMATION Configuration; ! 160: ! 161: // ! 162: // Reference count for number of mouse enables. ! 163: // ! 164: ! 165: LONG MouseEnableCount; ! 166: ! 167: // ! 168: // Pointer to the device object. ! 169: // ! 170: ! 171: PDEVICE_OBJECT DeviceObject; ! 172: ! 173: // ! 174: // Mouse class connection data. ! 175: // ! 176: ! 177: CONNECT_DATA ConnectData; ! 178: ! 179: // ! 180: // Number of input data items currently in the mouse InputData queue. ! 181: // ! 182: ! 183: ULONG InputCount; ! 184: ! 185: // ! 186: // Start of the port mouse input data queue (really a circular buffer). ! 187: // ! 188: ! 189: PMOUSE_INPUT_DATA InputData; ! 190: ! 191: // ! 192: // Insertion pointer for mouse InputData. ! 193: // ! 194: ! 195: PMOUSE_INPUT_DATA DataIn; ! 196: ! 197: // ! 198: // Removal pointer for mouse InputData. ! 199: // ! 200: ! 201: PMOUSE_INPUT_DATA DataOut; ! 202: ! 203: // ! 204: // Points one input packet past the end of the InputData buffer. ! 205: // ! 206: ! 207: PMOUSE_INPUT_DATA DataEnd; ! 208: ! 209: // ! 210: // Current mouse input packet. ! 211: // ! 212: ! 213: MOUSE_INPUT_DATA CurrentInput; ! 214: ! 215: // ! 216: // Previous mouse button state. ! 217: // ! 218: ! 219: UCHAR PreviousButtons; ! 220: ! 221: // ! 222: // Pointer to interrupt object. ! 223: // ! 224: ! 225: PKINTERRUPT InterruptObject; ! 226: ! 227: // ! 228: // Mouse ISR DPC queue. ! 229: // ! 230: ! 231: KDPC IsrDpc; ! 232: ! 233: // ! 234: // Mouse ISR DPC recall queue. ! 235: // ! 236: ! 237: KDPC IsrDpcRetry; ! 238: ! 239: // ! 240: // Used by the ISR and the ISR DPC (in InpDpcVariableOperation calls) ! 241: // to control processing by the ISR DPC. ! 242: // ! 243: ! 244: LONG DpcInterlockVariable; ! 245: ! 246: // ! 247: // Spinlock used to protect the DPC interlock variable. ! 248: // ! 249: ! 250: KSPIN_LOCK SpinLock; ! 251: ! 252: // ! 253: // Timer used to retry the ISR DPC routine when the class ! 254: // driver is unable to consume all the port driver's data. ! 255: // ! 256: ! 257: KTIMER DataConsumptionTimer; ! 258: ! 259: // ! 260: // DPC queue for logging overrun and internal driver errors. ! 261: // ! 262: ! 263: KDPC ErrorLogDpc; ! 264: ! 265: // ! 266: // Request sequence number (used for error logging). ! 267: // ! 268: ! 269: ULONG SequenceNumber; ! 270: ! 271: // ! 272: // Indicates which pointer port device this driver created (UnitId ! 273: // is the suffix appended to the pointer port basename for the ! 274: // call to IoCreateDevice). ! 275: // ! 276: ! 277: USHORT UnitId; ! 278: ! 279: // ! 280: // Indicates whether it is okay to log overflow errors. ! 281: // ! 282: ! 283: BOOLEAN OkayToLogOverflow; ! 284: ! 285: } DEVICE_EXTENSION, *PDEVICE_EXTENSION; ! 286: ! 287: // ! 288: // Define the port Get/SetDataQueuePointer context structures. ! 289: // ! 290: ! 291: typedef struct _GET_DATA_POINTER_CONTEXT { ! 292: IN PDEVICE_EXTENSION DeviceExtension; ! 293: OUT PVOID DataIn; ! 294: OUT PVOID DataOut; ! 295: OUT ULONG InputCount; ! 296: } GET_DATA_POINTER_CONTEXT, *PGET_DATA_POINTER_CONTEXT; ! 297: ! 298: typedef struct _SET_DATA_POINTER_CONTEXT { ! 299: IN PDEVICE_EXTENSION DeviceExtension; ! 300: IN ULONG InputCount; ! 301: IN PVOID DataOut; ! 302: } SET_DATA_POINTER_CONTEXT, *PSET_DATA_POINTER_CONTEXT; ! 303: ! 304: // ! 305: // Define the context structure and operations for InpDpcVariableOperation. ! 306: // ! 307: ! 308: typedef enum _OPERATION_TYPE { ! 309: IncrementOperation, ! 310: DecrementOperation, ! 311: WriteOperation, ! 312: ReadOperation ! 313: } OPERATION_TYPE; ! 314: ! 315: typedef struct _VARIABLE_OPERATION_CONTEXT { ! 316: IN PLONG VariableAddress; ! 317: IN OPERATION_TYPE Operation; ! 318: IN OUT PLONG NewValue; ! 319: } VARIABLE_OPERATION_CONTEXT, *PVARIABLE_OPERATION_CONTEXT; ! 320: ! 321: // ! 322: // Function prototypes. ! 323: // ! 324: ! 325: ! 326: NTSTATUS ! 327: DriverEntry( ! 328: IN PDRIVER_OBJECT DriverObject, ! 329: IN PUNICODE_STRING RegistryPath ! 330: ); ! 331: ! 332: VOID ! 333: InportErrorLogDpc( ! 334: IN PKDPC Dpc, ! 335: IN PDEVICE_OBJECT DeviceObject, ! 336: IN PIRP Irp, ! 337: IN PVOID Context ! 338: ); ! 339: ! 340: NTSTATUS ! 341: InportFlush( ! 342: IN PDEVICE_OBJECT DeviceObject, ! 343: IN PIRP Irp ! 344: ); ! 345: ! 346: NTSTATUS ! 347: InportInternalDeviceControl( ! 348: IN PDEVICE_OBJECT DeviceObject, ! 349: IN PIRP Irp ! 350: ); ! 351: ! 352: BOOLEAN ! 353: InportInterruptService( ! 354: IN PKINTERRUPT Interrupt, ! 355: IN PVOID Context ! 356: ); ! 357: ! 358: VOID ! 359: InportIsrDpc( ! 360: IN PKDPC Dpc, ! 361: IN PDEVICE_OBJECT DeviceObject, ! 362: IN PIRP Irp, ! 363: IN PVOID Context ! 364: ); ! 365: ! 366: NTSTATUS ! 367: InportOpenClose( ! 368: IN PDEVICE_OBJECT DeviceObject, ! 369: IN PIRP Irp ! 370: ); ! 371: ! 372: VOID ! 373: InportStartIo( ! 374: IN PDEVICE_OBJECT DeviceObject, ! 375: IN PIRP Irp ! 376: ); ! 377: ! 378: VOID ! 379: InportUnload( ! 380: IN PDRIVER_OBJECT DriverObject ! 381: ); ! 382: ! 383: VOID ! 384: InpBuildResourceList( ! 385: IN PDEVICE_EXTENSION DeviceExtension, ! 386: OUT PCM_RESOURCE_LIST *ResourceList, ! 387: OUT PULONG ResourceListSize ! 388: ); ! 389: ! 390: VOID ! 391: InpConfiguration( ! 392: IN PDEVICE_EXTENSION DeviceExtension, ! 393: IN PUNICODE_STRING RegistryPath, ! 394: IN PUNICODE_STRING DeviceName ! 395: ); ! 396: ! 397: #if DBG ! 398: ! 399: VOID ! 400: InpDebugPrint( ! 401: ULONG DebugPrintLevel, ! 402: PCCHAR DebugMessage, ! 403: ... ! 404: ); ! 405: #define InpPrint(x) InpDebugPrint x ! 406: extern ULONG InportDebug; ! 407: #else ! 408: #define InpPrint(x) ! 409: #endif ! 410: ! 411: VOID ! 412: InpDisableInterrupts( ! 413: IN PVOID Context ! 414: ); ! 415: ! 416: VOID ! 417: InpDpcVariableOperation( ! 418: IN PVOID Context ! 419: ); ! 420: ! 421: VOID ! 422: InpEnableInterrupts( ! 423: IN PVOID Context ! 424: ); ! 425: ! 426: VOID ! 427: InpGetDataQueuePointer( ! 428: IN PVOID Context ! 429: ); ! 430: ! 431: VOID ! 432: InpInitializeDataQueue( ! 433: IN PVOID Context ! 434: ); ! 435: ! 436: NTSTATUS ! 437: InpInitializeHardware( ! 438: IN PDEVICE_OBJECT DeviceObject ! 439: ); ! 440: ! 441: NTSTATUS ! 442: InpPeripheralCallout( ! 443: IN PVOID Context, ! 444: IN PUNICODE_STRING PathName, ! 445: IN INTERFACE_TYPE BusType, ! 446: IN ULONG BusNumber, ! 447: IN PKEY_VALUE_FULL_INFORMATION *BusInformation, ! 448: IN CONFIGURATION_TYPE ControllerType, ! 449: IN ULONG ControllerNumber, ! 450: IN PKEY_VALUE_FULL_INFORMATION *ControllerInformation, ! 451: IN CONFIGURATION_TYPE PeripheralType, ! 452: IN ULONG PeripheralNumber, ! 453: IN PKEY_VALUE_FULL_INFORMATION *PeripheralInformation ! 454: ); ! 455: ! 456: VOID ! 457: InpServiceParameters( ! 458: IN PDEVICE_EXTENSION DeviceExtension, ! 459: IN PUNICODE_STRING RegistryPath, ! 460: IN PUNICODE_STRING DeviceName ! 461: ); ! 462: ! 463: VOID ! 464: InpSetDataQueuePointer( ! 465: IN PVOID Context ! 466: ); ! 467: ! 468: BOOLEAN ! 469: InpWriteDataToQueue( ! 470: IN PDEVICE_EXTENSION DeviceExtension, ! 471: IN PMOUSE_INPUT_DATA InputData ! 472: ); ! 473: ! 474: #endif // _INPORT_
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