reactos/drivers/multimedia/audio/sndblst.old/irq.c

   1 #include <ntddk.h>
   2 #include "sndblst.h"
   3
   4 #if 0
   5 BOOLEAN CheckIRQ(PDEVICE_EXTENSION Parameters)
   6 {
   7     static CONST ULONG ValidIRQs[] = VALID_IRQS;
   8     int i;
   9
  10     return TRUE;    // for now...
  11
  12     // Check for Compaq!
  13     // if ...
  14
  15     for (i = 0; ValidIRQs[i] != 0xffff; i ++)
  16     {
  17         // Consult the card
  18
  19 //        OUTPORT(pHw, BOARD_CONFIG, bConfig);
  20 //        if (INPORT(pHEW, BOARD_ID) & 0x40)
  21 //            pHW->ValidInterrupts |= (1 << ThisIRQ);
  22
  23 //        return (BOOLEAN)((pHw->ValidInterrupts & (1 << Interrupt)) &&
  24 //                        (! ((INPORT(pHw, BOARD_ID) & 0x80) &&
  25 //                        (Interrupt == 10 || Interrupt == 11)));
  26
  27     }
  28
  29     // else
  30     // Compaq stuff?
  31     {
  32         UCHAR Expected;
  33
  34         switch (Parameters->IRQ)
  35         {
  36             case 10 :   Expected = 0x10;
  37             case 11 :   Expected = 0x20;
  38             case 7 :    Expected = 0x30;
  39             default :   return FALSE;
  40         }
  41
  42 //        CompaqPIDR = READ_PORT_UCHAR( ... )
  43         // ...
  44     }
  45 }
  46
  47
  48
  49 BOOLEAN ISR(
  50     IN PKINTERRUPT pInterrupt,
  51     IN PVOID Context)
  52 {
  53     DPRINT("*** Processing ISR ***\n");
  54
  55     // What do we do here then?
  56
  57     return FALSE;
  58 }
  59
  60
  61
  62 NTSTATUS EnableIRQ(PDEVICE_OBJECT DeviceObject)
  63 {
  64     PDEVICE_EXTENSION Parameters = DeviceObject->DeviceExtension;
  65     ULONG Vector;
  66     KIRQL IRQ_Level;
  67     KAFFINITY Affinity;
  68     NTSTATUS Status = STATUS_SUCCESS;
  69
  70     Vector = HalGetInterruptVector(Isa,     // FIX THIS
  71                                    0,       // FIX THIS
  72                                    Parameters->IRQ,
  73                                    Parameters->IRQ,
  74                                    &IRQ_Level,
  75                                    &Affinity);
  76
  77 //    Status = IoConnectInterrupt(Parameters->Interrupt,  // Object
  78 //                                ISR,    // Function
  79 //                                DeviceObject,   // Context
  80 //                                (PKSPIN_LOCK) NULL,
  81 //                                Vector,
  82 //                                IRQ_Level,
  83 //                                IRQ_Level,
  84                                 // mode - Latched or Level sensitive?
  85                                 // share - if irq can be shared
  86 //                                Affinity,
  87 //                                FALSE);
  88
  89     return Status == STATUS_INVALID_PARAMETER ?
  90                      STATUS_DEVICE_CONFIGURATION_ERROR : Status;
  91 }
  92 #endif
  93