1 /*
2 */
3 
4 #include <sndblst.h>
5 
6 BOOLEAN
7 CheckIrq(
8     PDEVICE_OBJECT DeviceObject)
9 {
10 /*    PSOUND_BLASTER_PARAMETERS parameters = DeviceObject->DriverExtension;*/
11 
12     /* TODO */
13 
14     return TRUE;
15 }
16 
17 BOOLEAN NTAPI
18 ServiceSoundBlasterInterrupt(
19     IN  PKINTERRUPT Interrupt,
20     IN  PVOID Context)
21 {
22     DPRINT("* Processing ISR *\n");
23     return FALSE;
24 }
25 
26 NTSTATUS
27 EnableIrq(
28     PDEVICE_OBJECT DeviceObject)
29 {
30     PSOUND_BLASTER_PARAMETERS parameters = DeviceObject->DeviceExtension;
31     ULONG vector;
32     KIRQL irq_level;
33     KAFFINITY affinity;
34     NTSTATUS status = STATUS_SUCCESS;
35 
36     vector = HalGetInterruptVector(Isa,
37                                    0,
38                                    parameters->irq,
39                                    parameters->irq,
40                                    &irq_level,
41                                    &affinity);
42 
43     DPRINT("Vector is 0x%x\n", vector);
44 
45     status = IoConnectInterrupt(&parameters->interrupt,
46                                 ServiceSoundBlasterInterrupt,
47                                 DeviceObject,
48                                 (PKSPIN_LOCK) NULL,
49                                 vector,
50                                 irq_level,
51                                 irq_level,
52                                 Latched, /* Latched / LevelSensitive */
53                                 FALSE,  /* shareable */
54                                 affinity,
55                                 FALSE);
56 
57     if ( status == STATUS_INVALID_PARAMETER )
58         status = STATUS_DEVICE_CONFIGURATION_ERROR;
59 
60     return status;
61 }
62