drivers/storage/ide/pciide/pciide.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         PCI IDE bus driver
   4  * FILE:            drivers/storage/pciide/pciide.c
   5  * PURPOSE:         Main file
   6  * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.org)
   7  */
   8
   9 #include "pciide.h"
  10
  11 #define NDEBUG
  12 #include <debug.h>
  13
  14 IDE_CHANNEL_STATE NTAPI
  15 PciIdeChannelEnabled(
  16         IN PVOID DeviceExtension,
  17         IN ULONG Channel)
  18 {
  19         PCI_COMMON_CONFIG PciConfig;
  20         NTSTATUS Status;
  21
  22         DPRINT("PciIdeChannelEnabled(%p, %lu)\n", DeviceExtension, Channel);
  23
  24         Status = PciIdeXGetBusData(
  25                 DeviceExtension,
  26                 &PciConfig,
  27                 0,
  28                 PCI_COMMON_HDR_LENGTH);
  29         if (!NT_SUCCESS(Status))
  30         {
  31                 DPRINT("PciIdeXGetBusData() failed with status 0x%08lx\n", Status);
  32                 return ChannelStateUnknown;
  33         }
  34
  35         if (PCI_CONFIGURATION_TYPE(&PciConfig) != PCI_DEVICE_TYPE)
  36         {
  37                 DPRINT("Wrong PCI card type. Disabling IDE channel #%lu\n", Channel);
  38                 return ChannelDisabled;
  39         }
  40
  41         if (PciConfig.BaseClass != PCI_CLASS_MASS_STORAGE_CTLR || PciConfig.SubClass != PCI_SUBCLASS_MSC_IDE_CTLR)
  42         {
  43                 DPRINT("Wrong PCI card base class/sub class. Disabling IDE channel #%lu\n", Channel);
  44                 return ChannelDisabled;
  45         }
  46
  47         return ChannelStateUnknown;
  48 }
  49
  50 BOOLEAN NTAPI
  51 PciIdeSyncAccessRequired(
  52         IN PVOID DeviceExtension)
  53 {
  54         DPRINT1("PciIdeSyncAccessRequired %p\n", DeviceExtension);
  55
  56         return FALSE; /* FIXME */
  57 }
  58
  59 NTSTATUS NTAPI
  60 PciIdeTransferModeSelect(
  61         IN PVOID DeviceExtension,
  62         IN PPCIIDE_TRANSFER_MODE_SELECT XferMode)
  63 {
  64         ULONG i;
  65
  66         DPRINT1("PciIdeTransferModeSelect(%p %p)\n", DeviceExtension, XferMode);
  67
  68         for (i = 0; i < MAX_IDE_DEVICE; i++)
  69                 XferMode->DevicePresent[i] = FALSE; /* FIXME */
  70
  71         return STATUS_SUCCESS;
  72 }
  73
  74 ULONG NTAPI
  75 PciIdeUseDma(
  76         IN PVOID DeviceExtension,
  77         IN PUCHAR CdbCommand,
  78         IN PUCHAR Slave)
  79 {
  80         DPRINT("PciIdeUseDma(%p %p %p)\n", DeviceExtension, CdbCommand, Slave);
  81
  82         /* Nothing should prevent us to use DMA */
  83         return 1;
  84 }
  85
  86 NTSTATUS NTAPI
  87 PciIdeGetControllerProperties(
  88         IN PVOID DeviceExtension,
  89         OUT PIDE_CONTROLLER_PROPERTIES ControllerProperties)
  90 {
  91         if (ControllerProperties->Size != sizeof(IDE_CONTROLLER_PROPERTIES))
  92                 return STATUS_REVISION_MISMATCH;
  93
  94         ControllerProperties->PciIdeChannelEnabled = PciIdeChannelEnabled;
  95         ControllerProperties->PciIdeSyncAccessRequired = PciIdeSyncAccessRequired;
  96         ControllerProperties->PciIdeTransferModeSelect = PciIdeTransferModeSelect;
  97         ControllerProperties->IgnoreActiveBitForAtaDevice = FALSE;
  98         ControllerProperties->AlwaysClearBusMasterInterrupt = TRUE;
  99         ControllerProperties->PciIdeUseDma = PciIdeUseDma;
 100         ControllerProperties->AlignmentRequirement = 1;
 101         ControllerProperties->DefaultPIO = 0; /* FIXME */
 102         ControllerProperties->PciIdeUdmaModesSupported = NULL; /* optional */
 103
 104         ControllerProperties->SupportedTransferMode[0][0] =
 105         ControllerProperties->SupportedTransferMode[0][1] =
 106         ControllerProperties->SupportedTransferMode[1][0] =
 107         ControllerProperties->SupportedTransferMode[1][1] =
 108                 PIO_MODE0 | PIO_MODE1 | PIO_MODE2 | PIO_MODE3 | PIO_MODE4 |
 109                 SWDMA_MODE0 | SWDMA_MODE1 | SWDMA_MODE2 |
 110                 MWDMA_MODE0 | MWDMA_MODE1 | MWDMA_MODE2 |
 111                 UDMA_MODE0 | UDMA_MODE1 | UDMA_MODE2 | UDMA_MODE3 | UDMA_MODE4;
 112
 113         return STATUS_SUCCESS;
 114 }
 115
 116 NTSTATUS NTAPI
 117 DriverEntry(
 118         IN PDRIVER_OBJECT DriverObject,
 119         IN PUNICODE_STRING RegistryPath)
 120 {
 121         NTSTATUS Status;
 122
 123         Status = PciIdeXInitialize(
 124                 DriverObject,
 125                 RegistryPath,
 126                 PciIdeGetControllerProperties,
 127                 0);
 128
 129         return Status;
 130 }