PcAtChipsetPkg/IsaAcpiDxe/IsaAcpi.c

   1 /** @file
   2   ISA ACPI Protocol Implementation
   3
   4 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved. <BR>
   5 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 **/
  13
  14 #include "PcatIsaAcpi.h"
  15
  16 //
  17 // Platform specific data for the ISA devices that are present.in the platform
  18 //
  19
  20 //
  21 // COM 1 UART Controller
  22 //
  23 EFI_ISA_ACPI_RESOURCE mPcatIsaAcpiCom1DeviceResources[] = {
  24   {EfiIsaAcpiResourceIo,        0, 0x3f8, 0x3ff},
  25   {EfiIsaAcpiResourceInterrupt, 0, 4,     0},
  26   {EfiIsaAcpiResourceEndOfList, 0, 0,     0}
  27 };
  28
  29 //
  30 // COM 2 UART Controller
  31 //
  32 EFI_ISA_ACPI_RESOURCE mPcatIsaAcpiCom2DeviceResources[] = {
  33   {EfiIsaAcpiResourceIo,        0, 0x2f8, 0x2ff},
  34   {EfiIsaAcpiResourceInterrupt, 0, 3,     0},
  35   {EfiIsaAcpiResourceEndOfList, 0, 0,     0}
  36 };
  37
  38 //
  39 // PS/2 Keyboard Controller
  40 //
  41 EFI_ISA_ACPI_RESOURCE  mPcatIsaAcpiPs2KeyboardDeviceResources[] = {
  42   {EfiIsaAcpiResourceIo,        0, 0x60, 0x64},
  43   {EfiIsaAcpiResourceInterrupt, 0, 1,     0},
  44   {EfiIsaAcpiResourceEndOfList, 0, 0,     0}
  45 };
  46
  47 //
  48 // PS/2 Mouse Controller
  49 //
  50 EFI_ISA_ACPI_RESOURCE  mPcatIsaAcpiPs2MouseDeviceResources[] = {
  51   {EfiIsaAcpiResourceIo,        0, 0x60, 0x64},
  52   {EfiIsaAcpiResourceInterrupt, 0, 12,     0},
  53   {EfiIsaAcpiResourceEndOfList, 0, 0,     0}
  54 };
  55
  56 //
  57 // Floppy Disk Controller
  58 //
  59 EFI_ISA_ACPI_RESOURCE mPcatIsaAcpiFloppyResources[] = {
  60   {EfiIsaAcpiResourceIo,        0, 0x3f0, 0x3f7},
  61   {EfiIsaAcpiResourceInterrupt, 0, 6,     0},
  62   {EfiIsaAcpiResourceDma,       EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_COMPATIBLE | EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8 | EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE, 2,     0},
  63   {EfiIsaAcpiResourceEndOfList, 0, 0,     0}
  64 };
  65
  66 //
  67 // Table of ISA Controllers
  68 //
  69 EFI_ISA_ACPI_RESOURCE_LIST gPcatIsaAcpiDeviceList[] = {
  70   {{EISA_PNP_ID(0x501), 0}, mPcatIsaAcpiCom1DeviceResources        }, // COM 1 UART Controller
  71   {{EISA_PNP_ID(0x501), 1}, mPcatIsaAcpiCom2DeviceResources        }, // COM 2 UART Controller
  72   {{EISA_PNP_ID(0x303), 0}, mPcatIsaAcpiPs2KeyboardDeviceResources }, // PS/2 Keyboard Controller
  73   {{EISA_PNP_ID(0x303), 1}, mPcatIsaAcpiPs2MouseDeviceResources    }, // PS/2 Mouse Controller
  74   {{EISA_PNP_ID(0x604), 0}, mPcatIsaAcpiFloppyResources            }, // Floppy Disk Controller A:
  75   {{EISA_PNP_ID(0x604), 1}, mPcatIsaAcpiFloppyResources            }, // Floppy Disk Controller B:
  76   {{0,                  0}, NULL                                   }  // End if ISA Controllers
  77 };
  78
  79 //
  80 // ISA ACPI Protocol Functions
  81 //
  82 /**
  83   Enumerate the ISA devices on the ISA bus.
  84
  85   @param Device             Point to device ID instance
  86   @param IsaAcpiDevice      On return, point to resource data for Isa device
  87   @param NextIsaAcpiDevice  On return, point to resource data for next Isa device
  88 **/
  89 VOID
  90 IsaDeviceLookup (
  91   IN  EFI_ISA_ACPI_DEVICE_ID      *Device,
  92   OUT EFI_ISA_ACPI_RESOURCE_LIST  **IsaAcpiDevice,
  93   OUT EFI_ISA_ACPI_RESOURCE_LIST  **NextIsaAcpiDevice
  94   )
  95 {
  96   UINTN  Index;
  97
  98   *IsaAcpiDevice = NULL;
  99   if (NextIsaAcpiDevice != NULL) {
 100     *NextIsaAcpiDevice = NULL;
 101   }
 102   if (Device == NULL) {
 103     Index = 0;
 104   } else {
 105     for(Index = 0; gPcatIsaAcpiDeviceList[Index].ResourceItem != NULL; Index++) {
 106       if (Device->HID == gPcatIsaAcpiDeviceList[Index].Device.HID &&
 107           Device->UID == gPcatIsaAcpiDeviceList[Index].Device.UID    ) {
 108         break;
 109       }
 110     }
 111     if (gPcatIsaAcpiDeviceList[Index].ResourceItem == NULL) {
 112       return;
 113     }
 114     *IsaAcpiDevice = &(gPcatIsaAcpiDeviceList[Index]);
 115     Index++;
 116   }
 117   if (gPcatIsaAcpiDeviceList[Index].ResourceItem != NULL && NextIsaAcpiDevice != NULL) {
 118     *NextIsaAcpiDevice = &(gPcatIsaAcpiDeviceList[Index]);
 119   }
 120 }
 121
 122 /**
 123   Enumerate the ISA devices on the ISA bus
 124
 125
 126   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 127   @param Device          Point to device ID instance
 128
 129   @retval EFI_NOT_FOUND Can not found the next Isa device.
 130   @retval EFI_SUCESS    Success retrieve the next Isa device for enumration.
 131
 132 **/
 133 EFI_STATUS
 134 EFIAPI
 135 IsaDeviceEnumerate (
 136   IN  EFI_ISA_ACPI_PROTOCOL   *This,
 137   OUT EFI_ISA_ACPI_DEVICE_ID  **Device
 138   )
 139 {
 140   EFI_ISA_ACPI_RESOURCE_LIST  *IsaAcpiDevice;
 141   EFI_ISA_ACPI_RESOURCE_LIST  *NextIsaAcpiDevice;
 142
 143   IsaDeviceLookup (*Device, &IsaAcpiDevice, &NextIsaAcpiDevice);
 144   if (NextIsaAcpiDevice == NULL) {
 145     return EFI_NOT_FOUND;
 146   }
 147   *Device = &(NextIsaAcpiDevice->Device);
 148   return EFI_SUCCESS;
 149 }
 150
 151 /**
 152   Set ISA device power
 153
 154
 155   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 156   @param Device          Point to device ID instance
 157   @param OnOff           TRUE for setting isa device power on,
 158                          FALSE for setting isa device power off
 159
 160   @return EFI_SUCCESS    Sucess to change power status for isa device.
 161 **/
 162 EFI_STATUS
 163 EFIAPI
 164 IsaDeviceSetPower (
 165   IN EFI_ISA_ACPI_PROTOCOL   *This,
 166   IN EFI_ISA_ACPI_DEVICE_ID  *Device,
 167   IN BOOLEAN                 OnOff
 168   )
 169 {
 170   return EFI_SUCCESS;
 171 }
 172
 173 /**
 174   Get current resource for the specific ISA device.
 175
 176   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 177   @param Device          Point to device ID instance
 178   @param ResourceList    On return, point to resources instances for given isa device
 179
 180   @retval EFI_NOT_FOUND Can not found the resource instance for given isa device
 181   @retval EFI_SUCCESS   Success to get resource instance for given isa device.
 182 **/
 183 EFI_STATUS
 184 EFIAPI
 185 IsaGetCurrentResource (
 186   IN  EFI_ISA_ACPI_PROTOCOL       *This,
 187   IN  EFI_ISA_ACPI_DEVICE_ID      *Device,
 188   OUT EFI_ISA_ACPI_RESOURCE_LIST  **ResourceList
 189   )
 190 {
 191   IsaDeviceLookup (Device, ResourceList, NULL);
 192   if (*ResourceList == NULL) {
 193     return EFI_NOT_FOUND;
 194   }
 195   return EFI_SUCCESS;
 196 }
 197
 198 /**
 199   Get possible resource for the specific ISA device.
 200
 201   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 202   @param Device          Point to device ID instance
 203   @param ResourceList    On return, point to resources instances for given isa device
 204
 205   @retval EFI_SUCCESS   Success to get resource instance for given isa device.
 206 **/
 207 EFI_STATUS
 208 EFIAPI
 209 IsaGetPossibleResource (
 210   IN  EFI_ISA_ACPI_PROTOCOL       *This,
 211   IN  EFI_ISA_ACPI_DEVICE_ID      *Device,
 212   OUT EFI_ISA_ACPI_RESOURCE_LIST  **ResourceList
 213   )
 214 {
 215   return EFI_SUCCESS;
 216 }
 217
 218 /**
 219   Set resource for the specific ISA device.
 220
 221   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 222   @param Device          Point to device ID instance
 223   @param ResourceList    Point to resources instances for given isa device
 224
 225   @return EFI_SUCESS  Success to set resource.
 226
 227 **/
 228 EFI_STATUS
 229 EFIAPI
 230 IsaSetResource (
 231   IN EFI_ISA_ACPI_PROTOCOL       *This,
 232   IN EFI_ISA_ACPI_DEVICE_ID      *Device,
 233   IN EFI_ISA_ACPI_RESOURCE_LIST  *ResourceList
 234   )
 235 {
 236   return EFI_SUCCESS;
 237 }
 238
 239 /**
 240   Enable/Disable the specific ISA device.
 241
 242   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 243   @param Device          Point to device ID instance
 244   @param Enable          Enable/Disable
 245
 246   @return EFI_SUCESS  Success to enable/disable.
 247
 248 **/
 249 EFI_STATUS
 250 EFIAPI
 251 IsaEnableDevice (
 252   IN EFI_ISA_ACPI_PROTOCOL   *This,
 253   IN EFI_ISA_ACPI_DEVICE_ID  *Device,
 254   IN BOOLEAN                 Enable
 255   )
 256 {
 257   return EFI_SUCCESS;
 258 }
 259
 260 /**
 261   Initialize the specific ISA device.
 262
 263   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 264   @param Device          Point to device ID instance
 265
 266   @return EFI_SUCESS  Success to initialize.
 267
 268 **/
 269 EFI_STATUS
 270 EFIAPI
 271 IsaInitDevice (
 272   IN EFI_ISA_ACPI_PROTOCOL   *This,
 273   IN EFI_ISA_ACPI_DEVICE_ID  *Device
 274   )
 275 {
 276   return EFI_SUCCESS;
 277 }
 278
 279
 280 /**
 281   Initialize the ISA interface.
 282
 283   @param This            Point to instance of EFI_ISA_ACPI_PROTOCOL
 284
 285   @return EFI_SUCESS  Success to initialize ISA interface.
 286
 287 **/
 288 EFI_STATUS
 289 EFIAPI
 290 IsaInterfaceInit (
 291   IN EFI_ISA_ACPI_PROTOCOL  *This
 292 )
 293 {
 294   return EFI_SUCCESS;
 295 }