1 /** @file 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 This program and the accompanying materials are licensed and made available under 7 the terms and conditions of the BSD License that accompanies this distribution. 9 The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php. 13 15 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 21 23 Module Name: 24 25 LpcIsaAcpi.c 26 27 Abstract: IsaAcpi implementation 28 29 30 31 --*/ 32 33 #include "LpcDriver.h" 34 35 // 36 // PS/2 Keyboard Controller 37 // 38 static EFI_ISA_ACPI_RESOURCE mLpcWpce791Ps2KeyboardDeviceResources[] = { 39 {EfiIsaAcpiResourceIo, 0, 0x60, 0x64}, 40 {EfiIsaAcpiResourceInterrupt, 0, 1, 0}, 41 {EfiIsaAcpiResourceEndOfList, 0, 0, 0} 42 }; 43 44 // 45 // PS/2 Mouse Controller 46 // 47 static EFI_ISA_ACPI_RESOURCE mLpcWpce791Ps2MouseDeviceResources[] = { 48 {EfiIsaAcpiResourceIo, 0, 0x60, 0x64}, 49 {EfiIsaAcpiResourceInterrupt, 0, 12, 0}, 50 {EfiIsaAcpiResourceEndOfList, 0, 0, 0} 51 }; 52 53 // 54 // COM 55 // 56 static EFI_ISA_ACPI_RESOURCE mLpcWpce791ComDeviceResources[] = { 57 {EfiIsaAcpiResourceIo, 0, 0x3f8, 0x3ff}, 58 {EfiIsaAcpiResourceInterrupt, 0, 4, 0}, 59 {EfiIsaAcpiResourceEndOfList, 0, 0, 0} 60 }; 61 62 // 63 // Table of ISA Controllers 64 // 65 EFI_ISA_ACPI_RESOURCE_LIST mLpcWpce791DeviceList[] = { 66 {{EISA_PNP_ID(0x303), 0}, mLpcWpce791Ps2KeyboardDeviceResources }, // PS/2 Keyboard Controller 67 {{EISA_PNP_ID(0xF03), 0}, mLpcWpce791Ps2MouseDeviceResources }, // PS/2 Mouse Controller 68 {{EISA_PNP_ID(0x501), 0}, mLpcWpce791ComDeviceResources }, // COM 69 {{0, 0}, NULL } // End 70 }; 71 72 static ICH_DMA_INIT mIchDmaInitTable [] = { 73 // 74 //Register OFFSET, Value 75 // 76 77 0x0D8, 0x000, // Reset DMA Controller 2 78 0x0D0, 0x000, // Enable DMA controller 2 79 0x00C, 0x000, // Reset DMA Controller 1 80 0x008, 0x000, // Enable DMA controller 1 81 82 // 83 // Channel 4 84 // 85 0x0D6, 0x0c0, // DMA contr. 2 Cascade mode, addr. increment, disable auto init. 86 0x0D2, 0x000, // Clear write request register 87 0x0d4, 0x000, // Enable DREQs for channel 88 89 // 90 // Channel 0 91 // 92 0x00B, 0x040, // DMA contr. 1 single mode, addr. increment, disable auto init. 93 0x009, 0x000, // Clear write request register 94 0x00A, 0x000, // Enable DREQs for channel 95 96 // 97 // Channel 1 98 // 99 0x00B, 0x041, // DMA contr. 1 single mode, addr. increment, disable auto init. 100 0x009, 0x001, // Clear write request register 101 0x00A, 0x001, // Enable DREQs for channel 102 103 // 104 // Channel 2 105 // 106 0x00B, 0x042, // DMA contr. 1 single mode, addr. increment, disable auto init. 107 0x009, 0x002, // Clear write request register 108 0x00A, 0x002, // Enable DREQs for channel 109 110 // 111 // Channel 3 112 // 113 0x00B, 0x043, // DMA contr. 1 single mode, addr. increment, disable auto init. 114 0x009, 0x003, // Clear write request register 115 0x00A, 0x003, // Enable DREQs for channel 116 117 // 118 // Channel 5 119 // 120 0x0D6, 0x041, // DMA contr. 2 single mode, addr. increment, disable auto init. 121 0x0D2, 0x001, // Clear write request register 122 0x0D4, 0x001, // Enable DREQs for channel 123 124 // 125 // Channel 6 126 // 127 0x0D6, 0x042, // DMA contr. 2 single mode, addr. increment, disable auto init. 128 0x0D2, 0x002, // Clear write request register 129 0x0D4, 0x002, // Enable DREQs for channel 130 131 // 132 // Channel 7 133 // 134 0x0D6, 0x043, // DMA contr. 2 single mode, addr. increment, disable auto init. 135 0x0D2, 0x003, // Clear write request register 136 0x0D4, 0x003 // Enable DREQs for channel 137 138 }; 139 140 // 141 // ISA ACPI Protocol Functions 142 // 143 /** 144 145 Enumerate the ISA devices on the ISA bus 146 147 **/ 148 VOID 149 IsaDeviceLookup ( 150 IN EFI_ISA_ACPI_DEVICE_ID *Device, 151 OUT EFI_ISA_ACPI_RESOURCE_LIST **IsaAcpiDevice, 152 OUT EFI_ISA_ACPI_RESOURCE_LIST **NextIsaAcpiDevice 153 ) 154 { 155 UINTN Index; 156 157 *IsaAcpiDevice = NULL; 158 if (NextIsaAcpiDevice != NULL) { 159 *NextIsaAcpiDevice = NULL; 160 } 161 if (Device == NULL) { 162 Index = 0; 163 } else { 164 for(Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) { 165 if (Device->HID == mLpcWpce791DeviceList[Index].Device.HID && 166 Device->UID == mLpcWpce791DeviceList[Index].Device.UID ) { 167 break; 168 } 169 } 170 if (mLpcWpce791DeviceList[Index].Device.HID == 0) { 171 return; 172 } 173 *IsaAcpiDevice = &(mLpcWpce791DeviceList[Index]); 174 Index++; 175 } 176 if (NextIsaAcpiDevice != NULL && mLpcWpce791DeviceList[Index].Device.HID != 0){ 177 *NextIsaAcpiDevice = &(mLpcWpce791DeviceList[Index]); 178 } 179 } 180 181 182 /** 183 Enumerate the ISA devices on the ISA bus 184 It is hard code now and future it will get from ACPI table 185 186 **/ 187 EFI_STATUS 188 EFIAPI 189 IsaDeviceEnumerate ( 190 IN EFI_ISA_ACPI_PROTOCOL *This, 191 OUT EFI_ISA_ACPI_DEVICE_ID **Device 192 ) 193 { 194 EFI_ISA_ACPI_RESOURCE_LIST *IsaAcpiDevice; 195 EFI_ISA_ACPI_RESOURCE_LIST *NextIsaAcpiDevice; 196 197 IsaDeviceLookup (*Device, &IsaAcpiDevice, &NextIsaAcpiDevice); 198 if (NextIsaAcpiDevice == NULL) { 199 return EFI_NOT_FOUND; 200 } 201 *Device = &(NextIsaAcpiDevice->Device); 202 return EFI_SUCCESS; 203 } 204 205 /** 206 Set ISA device power use sio 207 208 **/ 209 EFI_STATUS 210 EFIAPI 211 IsaDeviceSetPower ( 212 IN EFI_ISA_ACPI_PROTOCOL *This, 213 IN EFI_ISA_ACPI_DEVICE_ID *Device, 214 IN BOOLEAN OnOff 215 ) 216 { 217 return EFI_UNSUPPORTED; 218 } 219 220 221 /** 222 Get current Resource of the specific ISA device 223 It is hardcode now and future will get from ACPI table 224 225 **/ 226 EFI_STATUS 227 EFIAPI 228 IsaGetCurrentResource ( 229 IN EFI_ISA_ACPI_PROTOCOL *This, 230 IN EFI_ISA_ACPI_DEVICE_ID *Device, 231 OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList 232 ) 233 { 234 IsaDeviceLookup (Device, ResourceList, NULL); 235 if (*ResourceList == NULL || (*ResourceList)->ResourceItem == NULL) { 236 return EFI_NOT_FOUND; 237 } 238 return EFI_SUCCESS; 239 } 240 241 EFI_STATUS 242 EFIAPI 243 IsaGetPossibleResource ( 244 IN EFI_ISA_ACPI_PROTOCOL *This, 245 IN EFI_ISA_ACPI_DEVICE_ID *Device, 246 OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList 247 ) 248 { 249 // 250 // Not supported yet 251 // 252 return EFI_UNSUPPORTED; 253 } 254 255 256 EFI_STATUS 257 EFIAPI 258 IsaSetResource ( 259 IN EFI_ISA_ACPI_PROTOCOL *This, 260 IN EFI_ISA_ACPI_DEVICE_ID *Device, 261 IN EFI_ISA_ACPI_RESOURCE_LIST *ResourceList 262 ) 263 { 264 return EFI_UNSUPPORTED; 265 } 266 267 EFI_STATUS 268 EFIAPI 269 IsaEnableDevice ( 270 IN EFI_ISA_ACPI_PROTOCOL *This, 271 IN EFI_ISA_ACPI_DEVICE_ID *Device, 272 IN BOOLEAN Enable 273 ) 274 { 275 276 return EFI_UNSUPPORTED; 277 } 278 279 /** 280 281 Clear out Resource List if device is set to disable by platform policy 282 283 **/ 284 VOID 285 EmptyResourceList ( 286 IN UINT32 DeviceHid 287 ) 288 { 289 UINT8 Index; 290 for (Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) { 291 if (DeviceHid == mLpcWpce791DeviceList[Index].Device.HID) { 292 mLpcWpce791DeviceList[Index].ResourceItem = NULL; 293 } 294 } 295 return; 296 } 297 298 /** 299 300 Clear out Resource List if device is set to disable by platform policy 301 302 **/ 303 VOID 304 EmptyResourceListHidUid ( 305 IN UINT32 DeviceHid, 306 IN UINT32 DeviceUid 307 ) 308 { 309 UINT8 Index; 310 for (Index = 0; mLpcWpce791DeviceList[Index].Device.HID != 0; Index++) { 311 if ((DeviceHid == mLpcWpce791DeviceList[Index].Device.HID) && 312 (DeviceUid == mLpcWpce791DeviceList[Index].Device.UID)) { 313 mLpcWpce791DeviceList[Index].ResourceItem = NULL; 314 } 315 } 316 return; 317 } 318 319 EFI_STATUS 320 EFIAPI 321 IsaInitDevice ( 322 IN EFI_ISA_ACPI_PROTOCOL *This, 323 IN EFI_ISA_ACPI_DEVICE_ID *Device 324 ) 325 { 326 EFI_WPCE791_POLICY_PROTOCOL *LpcWpce791Policy; 327 EFI_STATUS Status; 328 329 // 330 // Disable configuration according to platform protocol 331 // 332 Status = gBS->LocateProtocol ( 333 &gEfiLpcWpce791PolicyProtocolGuid, 334 NULL, 335 (VOID **) &LpcWpce791Policy 336 ); 337 if (!EFI_ERROR(Status)) { 338 if (LpcWpce791Policy->DeviceEnables.Ps2Keyboard == EFI_WPCE791_PS2_KEYBOARD_DISABLE) { 339 EmptyResourceList(EISA_PNP_ID(0x303)); 340 DisableLogicalDevice (SIO_KEYBOARD); 341 EmptyResourceList(EISA_PNP_ID(0xF03)); 342 DisableLogicalDevice (SIO_KEYBOARD); 343 } 344 if (LpcWpce791Policy->DeviceEnables.Ps2Mouse == EFI_WPCE791_PS2_MOUSE_DISABLE) { 345 EmptyResourceList(EISA_PNP_ID(0xF03)); 346 DisableLogicalDevice (SIO_MOUSE); 347 } 348 } 349 350 return EFI_SUCCESS; 351 } 352 353 EFI_STATUS 354 EFIAPI 355 LpcInterfaceInit ( 356 IN EFI_ISA_ACPI_PROTOCOL *This 357 ) 358 { 359 EFI_PCI_IO_PROTOCOL *PciIo; 360 UINTN Index; 361 362 PciIo = (LPC_ISA_ACPI_FROM_THIS (This))->PciIo; 363 364 // 365 // DMA controller initialize 366 // 367 for (Index=0; Index < (sizeof(mIchDmaInitTable)/sizeof(ICH_DMA_INIT)); Index++) { 368 PciIo->Io.Write ( 369 PciIo, 370 EfiPciIoWidthUint8, 371 EFI_PCI_IO_PASS_THROUGH_BAR, 372 mIchDmaInitTable[Index].Register, 373 1, 374 &mIchDmaInitTable[Index].Value 375 ); 376 } 377 378 return EFI_SUCCESS; 379 } 380 381
