projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 7bc232b2 LG |
1 | /*++\r |
| 2 | \r | |
| 3 | Copyright (c) 2006, Intel Corporation \r | |
| 4 | All rights reserved. This program and the accompanying materials \r | |
| 5 | are licensed and made available under the terms and conditions of the BSD License \r | |
| 6 | which accompanies this distribution. The full text of the license may be found at \r | |
| 7 | http://opensource.org/licenses/bsd-license.php \r | |
| 8 | \r | |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
| 11 | \r | |
| 12 | Module Name:\r | |
| 13 | \r | |
| 14 | UsbDxeLib.c\r | |
| 15 | \r | |
| 16 | Abstract:\r | |
| 17 | \r | |
| 18 | Common Dxe Libarary for USB\r | |
| 19 | \r | |
| 20 | Revision History\r | |
| 21 | \r | |
| 22 | --*/\r | |
| 23 | \r | |
| 859b72fa | 24 | #include "UefiUsbLibInternal.h"\r |
| 7bc232b2 LG |
25 | \r |
| 26 | //\r | |
| 27 | // Get Device Descriptor\r | |
| 28 | //\r | |
| 29 | EFI_STATUS\r | |
| 30 | UsbGetDescriptor (\r | |
| 31 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 32 | IN UINT16 Value,\r | |
| 33 | IN UINT16 Index,\r | |
| 34 | IN UINT16 DescriptorLength,\r | |
| 35 | OUT VOID *Descriptor,\r | |
| 36 | OUT UINT32 *Status\r | |
| 37 | )\r | |
| 38 | /*++\r | |
| 39 | \r | |
| 40 | Routine Description:\r | |
| 41 | \r | |
| 42 | Usb Get Descriptor\r | |
| 43 | \r | |
| 44 | Arguments:\r | |
| 45 | \r | |
| 46 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 47 | Value - Device Request Value\r | |
| 48 | Index - Device Request Index \r | |
| 49 | DescriptorLength - Descriptor Length\r | |
| 50 | Descriptor - Descriptor buffer to contain result\r | |
| 51 | Status - Transfer Status\r | |
| 52 | Returns:\r | |
| 53 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 54 | EFI_SUCCESS - Success\r | |
| 55 | EFI_TIMEOUT - Device has no response \r | |
| 56 | \r | |
| 57 | --*/\r | |
| 58 | {\r | |
| 59 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 60 | \r | |
| 61 | if (UsbIo == NULL) {\r | |
| 62 | return EFI_INVALID_PARAMETER;\r | |
| 63 | }\r | |
| 64 | \r | |
| 65 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 66 | \r | |
| 67 | DevReq.RequestType = USB_DEV_GET_DESCRIPTOR_REQ_TYPE;\r | |
| 68 | DevReq.Request = USB_DEV_GET_DESCRIPTOR;\r | |
| 69 | DevReq.Value = Value;\r | |
| 70 | DevReq.Index = Index;\r | |
| 71 | DevReq.Length = DescriptorLength;\r | |
| 72 | \r | |
| 73 | return UsbIo->UsbControlTransfer (\r | |
| 74 | UsbIo,\r | |
| 75 | &DevReq,\r | |
| 76 | EfiUsbDataIn,\r | |
| 77 | TIMEOUT_VALUE,\r | |
| 78 | Descriptor,\r | |
| 79 | DescriptorLength,\r | |
| 80 | Status\r | |
| 81 | );\r | |
| 82 | }\r | |
| 83 | //\r | |
| 84 | // Set Device Descriptor\r | |
| 85 | //\r | |
| 86 | EFI_STATUS\r | |
| 87 | UsbSetDescriptor (\r | |
| 88 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 89 | IN UINT16 Value,\r | |
| 90 | IN UINT16 Index,\r | |
| 91 | IN UINT16 DescriptorLength,\r | |
| 92 | IN VOID *Descriptor,\r | |
| 93 | OUT UINT32 *Status\r | |
| 94 | )\r | |
| 95 | /*++\r | |
| 96 | \r | |
| 97 | Routine Description:\r | |
| 98 | \r | |
| 99 | Usb Set Descriptor\r | |
| 100 | \r | |
| 101 | Arguments:\r | |
| 102 | \r | |
| 103 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 104 | Value - Device Request Value\r | |
| 105 | Index - Device Request Index \r | |
| 106 | DescriptorLength - Descriptor Length\r | |
| 107 | Descriptor - Descriptor buffer to set\r | |
| 108 | Status - Transfer Status\r | |
| 109 | Returns:\r | |
| 110 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 111 | EFI_SUCCESS - Success\r | |
| 112 | EFI_TIMEOUT - Device has no response \r | |
| 113 | \r | |
| 114 | --*/\r | |
| 115 | {\r | |
| 116 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 117 | \r | |
| 118 | if (UsbIo == NULL) {\r | |
| 119 | return EFI_INVALID_PARAMETER;\r | |
| 120 | }\r | |
| 121 | \r | |
| 122 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 123 | \r | |
| 124 | DevReq.RequestType = USB_DEV_SET_DESCRIPTOR_REQ_TYPE;\r | |
| 125 | DevReq.Request = USB_DEV_SET_DESCRIPTOR;\r | |
| 126 | DevReq.Value = Value;\r | |
| 127 | DevReq.Index = Index;\r | |
| 128 | DevReq.Length = DescriptorLength;\r | |
| 129 | \r | |
| 130 | return UsbIo->UsbControlTransfer (\r | |
| 131 | UsbIo,\r | |
| 132 | &DevReq,\r | |
| 133 | EfiUsbDataOut,\r | |
| 134 | TIMEOUT_VALUE,\r | |
| 135 | Descriptor,\r | |
| 136 | DescriptorLength,\r | |
| 137 | Status\r | |
| 138 | );\r | |
| 139 | }\r | |
| 140 | \r | |
| 141 | //\r | |
| 142 | // Get device Interface\r | |
| 143 | //\r | |
| 144 | EFI_STATUS\r | |
| 145 | UsbGetDeviceInterface (\r | |
| 146 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 147 | IN UINT16 Index,\r | |
| 148 | OUT UINT8 *AltSetting,\r | |
| 149 | OUT UINT32 *Status\r | |
| 150 | )\r | |
| 151 | /*++\r | |
| 152 | \r | |
| 153 | Routine Description:\r | |
| 154 | \r | |
| 155 | Usb Get Device Interface\r | |
| 156 | \r | |
| 157 | Arguments:\r | |
| 158 | \r | |
| 159 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 160 | Index - Interface index value\r | |
| 161 | AltSetting - Alternate setting\r | |
| 162 | Status - Trasnsfer status\r | |
| 163 | \r | |
| 164 | Returns:\r | |
| 165 | \r | |
| 166 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 167 | EFI_SUCCESS - Success\r | |
| 168 | EFI_TIMEOUT - Device has no response \r | |
| 169 | \r | |
| 170 | \r | |
| 171 | --*/\r | |
| 172 | {\r | |
| 173 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 174 | \r | |
| 175 | if (UsbIo == NULL) {\r | |
| 176 | return EFI_INVALID_PARAMETER;\r | |
| 177 | }\r | |
| 178 | \r | |
| 179 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 180 | \r | |
| 181 | DevReq.RequestType = USB_DEV_GET_INTERFACE_REQ_TYPE;\r | |
| 182 | DevReq.Request = USB_DEV_GET_INTERFACE;\r | |
| 183 | DevReq.Index = Index;\r | |
| 184 | DevReq.Length = 1;\r | |
| 185 | \r | |
| 186 | return UsbIo->UsbControlTransfer (\r | |
| 187 | UsbIo,\r | |
| 188 | &DevReq,\r | |
| 189 | EfiUsbDataIn,\r | |
| 190 | TIMEOUT_VALUE,\r | |
| 191 | AltSetting,\r | |
| 192 | 1,\r | |
| 193 | Status\r | |
| 194 | );\r | |
| 195 | }\r | |
| 196 | //\r | |
| 197 | // Set device interface\r | |
| 198 | //\r | |
| 199 | EFI_STATUS\r | |
| 200 | UsbSetDeviceInterface (\r | |
| 201 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 202 | IN UINT16 InterfaceNo,\r | |
| 203 | IN UINT16 AltSetting,\r | |
| 204 | OUT UINT32 *Status\r | |
| 205 | )\r | |
| 206 | /*++\r | |
| 207 | \r | |
| 208 | Routine Description:\r | |
| 209 | \r | |
| 210 | Usb Set Device Interface\r | |
| 211 | \r | |
| 212 | Arguments:\r | |
| 213 | \r | |
| 214 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 215 | InterfaceNo - Interface Number\r | |
| 216 | AltSetting - Alternate setting\r | |
| 217 | Status - Trasnsfer status\r | |
| 218 | \r | |
| 219 | Returns:\r | |
| 220 | \r | |
| 221 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 222 | EFI_SUCCESS - Success\r | |
| 223 | EFI_TIMEOUT - Device has no response \r | |
| 224 | \r | |
| 225 | --*/\r | |
| 226 | {\r | |
| 227 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 228 | \r | |
| 229 | if (UsbIo == NULL) {\r | |
| 230 | return EFI_INVALID_PARAMETER;\r | |
| 231 | }\r | |
| 232 | \r | |
| 233 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 234 | \r | |
| 235 | DevReq.RequestType = USB_DEV_SET_INTERFACE_REQ_TYPE;\r | |
| 236 | DevReq.Request = USB_DEV_SET_INTERFACE;\r | |
| 237 | DevReq.Value = AltSetting;\r | |
| 238 | DevReq.Index = InterfaceNo;\r | |
| 239 | \r | |
| 240 | \r | |
| 241 | return UsbIo->UsbControlTransfer (\r | |
| 242 | UsbIo,\r | |
| 243 | &DevReq,\r | |
| 244 | EfiUsbNoData,\r | |
| 245 | TIMEOUT_VALUE,\r | |
| 246 | NULL,\r | |
| 247 | 0,\r | |
| 248 | Status\r | |
| 249 | );\r | |
| 250 | }\r | |
| 251 | //\r | |
| 252 | // Get device configuration\r | |
| 253 | //\r | |
| 254 | EFI_STATUS\r | |
| 255 | UsbGetDeviceConfiguration (\r | |
| 256 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 257 | OUT UINT8 *ConfigValue,\r | |
| 258 | OUT UINT32 *Status\r | |
| 259 | )\r | |
| 260 | /*++\r | |
| 261 | \r | |
| 262 | Routine Description:\r | |
| 263 | \r | |
| 264 | Usb Get Device Configuration\r | |
| 265 | \r | |
| 266 | Arguments:\r | |
| 267 | \r | |
| 268 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 269 | ConfigValue - Config Value\r | |
| 270 | Status - Transfer Status\r | |
| 271 | \r | |
| 272 | Returns:\r | |
| 273 | \r | |
| 274 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 275 | EFI_SUCCESS - Success\r | |
| 276 | EFI_TIMEOUT - Device has no response \r | |
| 277 | \r | |
| 278 | --*/\r | |
| 279 | {\r | |
| 280 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 281 | \r | |
| 282 | if (UsbIo == NULL) {\r | |
| 283 | return EFI_INVALID_PARAMETER;\r | |
| 284 | }\r | |
| 285 | \r | |
| 286 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 287 | \r | |
| 288 | DevReq.RequestType = USB_DEV_GET_CONFIGURATION_REQ_TYPE;\r | |
| 289 | DevReq.Request = USB_DEV_GET_CONFIGURATION;\r | |
| 290 | DevReq.Length = 1;\r | |
| 291 | \r | |
| 292 | return UsbIo->UsbControlTransfer (\r | |
| 293 | UsbIo,\r | |
| 294 | &DevReq,\r | |
| 295 | EfiUsbDataIn,\r | |
| 296 | TIMEOUT_VALUE,\r | |
| 297 | ConfigValue,\r | |
| 298 | 1,\r | |
| 299 | Status\r | |
| 300 | );\r | |
| 301 | }\r | |
| 302 | //\r | |
| 303 | // Set device configuration\r | |
| 304 | //\r | |
| 305 | EFI_STATUS\r | |
| 306 | UsbSetDeviceConfiguration (\r | |
| 307 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 308 | IN UINT16 Value,\r | |
| 309 | OUT UINT32 *Status\r | |
| 310 | )\r | |
| 311 | /*++\r | |
| 312 | \r | |
| 313 | Routine Description:\r | |
| 314 | \r | |
| 315 | Usb Set Device Configuration\r | |
| 316 | \r | |
| 317 | Arguments:\r | |
| 318 | \r | |
| 319 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 320 | Value - Configuration Value to set\r | |
| 321 | Status - Transfer status\r | |
| 322 | \r | |
| 323 | Returns:\r | |
| 324 | \r | |
| 325 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 326 | EFI_SUCCESS - Success\r | |
| 327 | EFI_TIMEOUT - Device has no response \r | |
| 328 | \r | |
| 329 | --*/\r | |
| 330 | {\r | |
| 331 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 332 | \r | |
| 333 | if (UsbIo == NULL) {\r | |
| 334 | return EFI_INVALID_PARAMETER;\r | |
| 335 | }\r | |
| 336 | \r | |
| 337 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 338 | \r | |
| 339 | DevReq.RequestType = USB_DEV_SET_CONFIGURATION_REQ_TYPE;\r | |
| 340 | DevReq.Request = USB_DEV_SET_CONFIGURATION;\r | |
| 341 | DevReq.Value = Value;\r | |
| 342 | \r | |
| 343 | return UsbIo->UsbControlTransfer (\r | |
| 344 | UsbIo,\r | |
| 345 | &DevReq,\r | |
| 346 | EfiUsbNoData,\r | |
| 347 | TIMEOUT_VALUE,\r | |
| 348 | NULL,\r | |
| 349 | 0,\r | |
| 350 | Status\r | |
| 351 | );\r | |
| 352 | }\r | |
| 353 | //\r | |
| 354 | // Set Device Feature\r | |
| 355 | //\r | |
| 356 | EFI_STATUS\r | |
| 357 | UsbSetDeviceFeature (\r | |
| 358 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 359 | IN EFI_USB_RECIPIENT Recipient,\r | |
| 360 | IN UINT16 Value,\r | |
| 361 | IN UINT16 Target,\r | |
| 362 | OUT UINT32 *Status\r | |
| 363 | )\r | |
| 364 | /*++\r | |
| 365 | \r | |
| 366 | Routine Description:\r | |
| 367 | \r | |
| 368 | Usb Set Device Feature\r | |
| 369 | \r | |
| 370 | Arguments:\r | |
| 371 | \r | |
| 372 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 373 | Recipient - Interface/Device/Endpoint\r | |
| 374 | Value - Request value\r | |
| 375 | Target - Request Index\r | |
| 376 | Status - Transfer status\r | |
| 377 | \r | |
| 378 | Returns:\r | |
| 379 | \r | |
| 380 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 381 | EFI_SUCCESS - Success\r | |
| 382 | EFI_TIMEOUT - Device has no response \r | |
| 383 | \r | |
| 384 | --*/\r | |
| 385 | {\r | |
| 386 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 387 | \r | |
| 388 | if (UsbIo == NULL) {\r | |
| 389 | return EFI_INVALID_PARAMETER;\r | |
| 390 | }\r | |
| 391 | \r | |
| 392 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 393 | \r | |
| 394 | switch (Recipient) {\r | |
| 395 | \r | |
| 396 | case EfiUsbDevice:\r | |
| 397 | DevReq.RequestType = 0x00;\r | |
| 398 | break;\r | |
| 399 | \r | |
| 400 | case EfiUsbInterface:\r | |
| 401 | DevReq.RequestType = 0x01;\r | |
| 402 | break;\r | |
| 403 | \r | |
| 404 | case EfiUsbEndpoint:\r | |
| 405 | DevReq.RequestType = 0x02;\r | |
| 406 | break;\r | |
| 407 | }\r | |
| 408 | //\r | |
| 409 | // Fill device request, see USB1.1 spec\r | |
| 410 | //\r | |
| 411 | DevReq.Request = USB_DEV_SET_FEATURE;\r | |
| 412 | DevReq.Value = Value;\r | |
| 413 | DevReq.Index = Target;\r | |
| 414 | \r | |
| 415 | \r | |
| 416 | return UsbIo->UsbControlTransfer (\r | |
| 417 | UsbIo,\r | |
| 418 | &DevReq,\r | |
| 419 | EfiUsbNoData,\r | |
| 420 | TIMEOUT_VALUE,\r | |
| 421 | NULL,\r | |
| 422 | 0,\r | |
| 423 | Status\r | |
| 424 | );\r | |
| 425 | }\r | |
| 426 | //\r | |
| 427 | // Clear Device Feature\r | |
| 428 | //\r | |
| 429 | EFI_STATUS\r | |
| 430 | UsbClearDeviceFeature (\r | |
| 431 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 432 | IN EFI_USB_RECIPIENT Recipient,\r | |
| 433 | IN UINT16 Value,\r | |
| 434 | IN UINT16 Target,\r | |
| 435 | OUT UINT32 *Status\r | |
| 436 | )\r | |
| 437 | /*++\r | |
| 438 | \r | |
| 439 | Routine Description:\r | |
| 440 | \r | |
| 441 | Usb Clear Device Feature\r | |
| 442 | \r | |
| 443 | Arguments:\r | |
| 444 | \r | |
| 445 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 446 | Recipient - Interface/Device/Endpoint\r | |
| 447 | Value - Request value\r | |
| 448 | Target - Request Index\r | |
| 449 | Status - Transfer status\r | |
| 450 | \r | |
| 451 | Returns:\r | |
| 452 | \r | |
| 453 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 454 | EFI_SUCCESS - Success\r | |
| 455 | EFI_TIMEOUT - Device has no response \r | |
| 456 | \r | |
| 457 | --*/\r | |
| 458 | {\r | |
| 459 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 460 | \r | |
| 461 | if (UsbIo == NULL) {\r | |
| 462 | return EFI_INVALID_PARAMETER;\r | |
| 463 | }\r | |
| 464 | \r | |
| 465 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 466 | \r | |
| 467 | switch (Recipient) {\r | |
| 468 | \r | |
| 469 | case EfiUsbDevice:\r | |
| 470 | DevReq.RequestType = 0x00;\r | |
| 471 | break;\r | |
| 472 | \r | |
| 473 | case EfiUsbInterface:\r | |
| 474 | DevReq.RequestType = 0x01;\r | |
| 475 | break;\r | |
| 476 | \r | |
| 477 | case EfiUsbEndpoint:\r | |
| 478 | DevReq.RequestType = 0x02;\r | |
| 479 | break;\r | |
| 480 | }\r | |
| 481 | //\r | |
| 482 | // Fill device request, see USB1.1 spec\r | |
| 483 | //\r | |
| 484 | DevReq.Request = USB_DEV_CLEAR_FEATURE;\r | |
| 485 | DevReq.Value = Value;\r | |
| 486 | DevReq.Index = Target;\r | |
| 487 | \r | |
| 488 | \r | |
| 489 | return UsbIo->UsbControlTransfer (\r | |
| 490 | UsbIo,\r | |
| 491 | &DevReq,\r | |
| 492 | EfiUsbNoData,\r | |
| 493 | TIMEOUT_VALUE,\r | |
| 494 | NULL,\r | |
| 495 | 0,\r | |
| 496 | Status\r | |
| 497 | );\r | |
| 498 | }\r | |
| 499 | //\r | |
| 500 | // Get Device Status\r | |
| 501 | //\r | |
| 502 | EFI_STATUS\r | |
| 503 | UsbGetDeviceStatus (\r | |
| 504 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 505 | IN EFI_USB_RECIPIENT Recipient,\r | |
| 506 | IN UINT16 Target,\r | |
| 507 | OUT UINT16 *DevStatus,\r | |
| 508 | OUT UINT32 *Status\r | |
| 509 | )\r | |
| 510 | /*++\r | |
| 511 | \r | |
| 512 | Routine Description:\r | |
| 513 | \r | |
| 514 | Usb Get Device Status\r | |
| 515 | \r | |
| 516 | Arguments:\r | |
| 517 | \r | |
| 518 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 519 | Recipient - Interface/Device/Endpoint\r | |
| 520 | Target - Request index\r | |
| 521 | DevStatus - Device status\r | |
| 522 | Status - Transfer status\r | |
| 523 | \r | |
| 524 | Returns:\r | |
| 525 | \r | |
| 526 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 527 | EFI_SUCCESS - Success\r | |
| 528 | EFI_TIMEOUT - Device has no response \r | |
| 529 | \r | |
| 530 | --*/\r | |
| 531 | {\r | |
| 532 | EFI_USB_DEVICE_REQUEST DevReq;\r | |
| 533 | \r | |
| 534 | if (UsbIo == NULL) {\r | |
| 535 | return EFI_INVALID_PARAMETER;\r | |
| 536 | }\r | |
| 537 | \r | |
| 538 | ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));\r | |
| 539 | \r | |
| 540 | switch (Recipient) {\r | |
| 541 | \r | |
| 542 | case EfiUsbDevice:\r | |
| 543 | DevReq.RequestType = 0x80;\r | |
| 544 | break;\r | |
| 545 | \r | |
| 546 | case EfiUsbInterface:\r | |
| 547 | DevReq.RequestType = 0x81;\r | |
| 548 | break;\r | |
| 549 | \r | |
| 550 | case EfiUsbEndpoint:\r | |
| 551 | DevReq.RequestType = 0x82;\r | |
| 552 | break;\r | |
| 553 | }\r | |
| 554 | //\r | |
| 555 | // Fill device request, see USB1.1 spec\r | |
| 556 | //\r | |
| 557 | DevReq.Request = USB_DEV_GET_STATUS;\r | |
| 558 | DevReq.Value = 0;\r | |
| 559 | DevReq.Index = Target;\r | |
| 560 | DevReq.Length = 2;\r | |
| 561 | \r | |
| 562 | return UsbIo->UsbControlTransfer (\r | |
| 563 | UsbIo,\r | |
| 564 | &DevReq,\r | |
| 565 | EfiUsbDataIn,\r | |
| 566 | TIMEOUT_VALUE,\r | |
| 567 | DevStatus,\r | |
| 568 | 2,\r | |
| 569 | Status\r | |
| 570 | );\r | |
| 571 | }\r | |
| 572 | //\r | |
| 573 | // Usb Get String\r | |
| 574 | //\r | |
| 575 | EFI_STATUS\r | |
| 576 | UsbGetString (\r | |
| 577 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 578 | IN UINT16 LangID,\r | |
| 579 | IN UINT8 Index,\r | |
| 580 | IN VOID *Buf,\r | |
| 581 | IN UINTN BufSize,\r | |
| 582 | OUT UINT32 *Status\r | |
| 583 | )\r | |
| 584 | /*++\r | |
| 585 | \r | |
| 586 | Routine Description:\r | |
| 587 | \r | |
| 588 | Usb Get String\r | |
| 589 | \r | |
| 590 | Arguments:\r | |
| 591 | \r | |
| 592 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 593 | LangID - Language ID\r | |
| 594 | Index - Request index\r | |
| 595 | Buf - Buffer to store string\r | |
| 596 | BufSize - Buffer size\r | |
| 597 | Status - Transfer status\r | |
| 598 | \r | |
| 599 | Returns:\r | |
| 600 | \r | |
| 601 | EFI_INVALID_PARAMETER - Parameter is error\r | |
| 602 | EFI_SUCCESS - Success\r | |
| 603 | EFI_TIMEOUT - Device has no response \r | |
| 604 | \r | |
| 605 | --*/\r | |
| 606 | {\r | |
| 607 | UINT16 Value;\r | |
| 608 | \r | |
| 609 | if (UsbIo == NULL) {\r | |
| 610 | return EFI_INVALID_PARAMETER;\r | |
| 611 | }\r | |
| 612 | //\r | |
| 613 | // Fill value, see USB1.1 spec\r | |
| 614 | //\r | |
| 615 | Value = (UINT16) ((USB_DT_STRING << 8) | Index);\r | |
| 616 | \r | |
| 617 | return UsbGetDescriptor (\r | |
| 618 | UsbIo,\r | |
| 619 | Value,\r | |
| 620 | LangID,\r | |
| 621 | (UINT16) BufSize,\r | |
| 622 | Buf,\r | |
| 623 | Status\r | |
| 624 | );\r | |
| 625 | }\r | |
| 626 | \r | |
| 627 | EFI_STATUS\r | |
| 628 | UsbClearEndpointHalt (\r | |
| 629 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
| 630 | IN UINT8 EndpointNo,\r | |
| 631 | OUT UINT32 *Status\r | |
| 632 | )\r | |
| 633 | /*++\r | |
| 634 | \r | |
| 635 | Routine Description:\r | |
| 636 | \r | |
| 637 | Clear endpoint stall\r | |
| 638 | \r | |
| 639 | Arguments:\r | |
| 640 | \r | |
| 641 | UsbIo - EFI_USB_IO_PROTOCOL\r | |
| 642 | EndpointNo - Endpoint Number\r | |
| 643 | Status - Transfer Status\r | |
| 644 | \r | |
| 645 | Returns:\r | |
| 646 | \r | |
| 647 | EFI_NOT_FOUND - Can't find the Endpoint\r | |
| 648 | EFI_DEVICE_ERROR - Hardware error\r | |
| 649 | EFI_SUCCESS - Success\r | |
| 650 | \r | |
| 651 | --*/\r | |
| 652 | {\r | |
| 653 | EFI_STATUS Result;\r | |
| 654 | EFI_USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;\r | |
| 655 | EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;\r | |
| 656 | UINT8 Index;\r | |
| 657 | \r | |
| 658 | ZeroMem (&EndpointDescriptor, sizeof (EFI_USB_ENDPOINT_DESCRIPTOR));\r | |
| 659 | //\r | |
| 660 | // First seach the endpoint descriptor for that endpoint addr\r | |
| 661 | //\r | |
| 662 | Result = UsbIo->UsbGetInterfaceDescriptor (\r | |
| 663 | UsbIo,\r | |
| 664 | &InterfaceDescriptor\r | |
| 665 | );\r | |
| 666 | if (EFI_ERROR (Result)) {\r | |
| 667 | return Result;\r | |
| 668 | }\r | |
| 669 | \r | |
| 670 | for (Index = 0; Index < InterfaceDescriptor.NumEndpoints; Index++) {\r | |
| 671 | Result = UsbIo->UsbGetEndpointDescriptor (\r | |
| 672 | UsbIo,\r | |
| 673 | Index,\r | |
| 674 | &EndpointDescriptor\r | |
| 675 | );\r | |
| 676 | if (EFI_ERROR (Result)) {\r | |
| 677 | continue;\r | |
| 678 | }\r | |
| 679 | \r | |
| 680 | if (EndpointDescriptor.EndpointAddress == EndpointNo) {\r | |
| 681 | break;\r | |
| 682 | }\r | |
| 683 | }\r | |
| 684 | \r | |
| 685 | if (Index == InterfaceDescriptor.NumEndpoints) {\r | |
| 686 | //\r | |
| 687 | // No such endpoint\r | |
| 688 | //\r | |
| 689 | return EFI_NOT_FOUND;\r | |
| 690 | }\r | |
| 691 | \r | |
| 692 | Result = UsbClearDeviceFeature (\r | |
| 693 | UsbIo,\r | |
| 694 | EfiUsbEndpoint,\r | |
| 695 | EfiUsbEndpointHalt,\r | |
| 696 | EndpointDescriptor.EndpointAddress,\r | |
| 697 | Status\r | |
| 698 | );\r | |
| 699 | \r | |
| 700 | return Result;\r | |
| 701 | }\r |