+++ /dev/null
-/** @file\r
-This file contains URB request, each request is warpped in a\r
-URB (Usb Request Block).\r
-\r
-Copyright (c) 2013-2015 Intel Corporation.\r
-\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-\r
-\r
-#include "OhcPeim.h"\r
-\r
-\r
-/**\r
-\r
- Create a TD\r
-\r
- @Param Ohc UHC private data\r
-\r
- @retval TD structure pointer\r
-\r
-**/\r
-TD_DESCRIPTOR *\r
-OhciCreateTD (\r
- IN USB_OHCI_HC_DEV *Ohc\r
- )\r
-{\r
- TD_DESCRIPTOR *Td;\r
-\r
- Td = UsbHcAllocateMem(Ohc->MemPool, sizeof(TD_DESCRIPTOR));\r
- if (Td == NULL) {\r
- return NULL;\r
- }\r
- Td->CurrBufferPointer = NULL;\r
- Td->NextTD = NULL;\r
- Td->BufferEndPointer = NULL;\r
- Td->NextTDPointer = NULL;\r
-\r
- return Td;\r
-}\r
-\r
-\r
-/**\r
-\r
- Free a TD\r
-\r
- @Param Ohc UHC private data\r
- @Param Td Pointer to a TD to free\r
-\r
- @retval EFI_SUCCESS TD freed\r
-\r
-**/\r
-EFI_STATUS\r
-OhciFreeTD (\r
- IN USB_OHCI_HC_DEV *Ohc,\r
- IN TD_DESCRIPTOR *Td\r
- )\r
-{\r
- if (Td == NULL) {\r
- return EFI_SUCCESS;\r
- }\r
- UsbHcFreeMem(Ohc->MemPool, Td, sizeof(TD_DESCRIPTOR));\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
-\r
- Create a ED\r
-\r
- @Param Ohc Device private data\r
-\r
- @retval ED descriptor pointer\r
-\r
-**/\r
-ED_DESCRIPTOR *\r
-OhciCreateED (\r
- USB_OHCI_HC_DEV *Ohc\r
- )\r
-{\r
- ED_DESCRIPTOR *Ed;\r
- Ed = UsbHcAllocateMem(Ohc->MemPool, sizeof (ED_DESCRIPTOR));\r
- if (Ed == NULL) {\r
- return NULL;\r
- }\r
- Ed->Word0.Skip = 1;\r
- Ed->TdTailPointer = NULL;\r
- Ed->Word2.TdHeadPointer = RIGHT_SHIFT_4 ((UINT32) NULL);\r
- Ed->NextED = NULL;\r
-\r
- return Ed;\r
-}\r
-\r
-/**\r
-\r
- Free a ED\r
-\r
- @Param Ohc UHC private data\r
- @Param Ed Pointer to a ED to free\r
-\r
- @retval EFI_SUCCESS ED freed\r
-\r
-**/\r
-\r
-EFI_STATUS\r
-OhciFreeED (\r
- IN USB_OHCI_HC_DEV *Ohc,\r
- IN ED_DESCRIPTOR *Ed\r
- )\r
-{\r
- if (Ed == NULL) {\r
- return EFI_SUCCESS;\r
- }\r
- UsbHcFreeMem(Ohc->MemPool, Ed, sizeof(ED_DESCRIPTOR));\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
-\r
- Free ED\r
-\r
- @Param Ohc Device private data\r
- @Param Ed Pointer to a ED to free\r
-\r
- @retval EFI_SUCCESS ED freed\r
-\r
-**/\r
-EFI_STATUS\r
-OhciFreeAllTDFromED (\r
- IN USB_OHCI_HC_DEV *Ohc,\r
- IN ED_DESCRIPTOR *Ed\r
- )\r
-{\r
- TD_DESCRIPTOR *HeadTd;\r
- TD_DESCRIPTOR *TailTd;\r
- TD_DESCRIPTOR *Td;\r
- TD_DESCRIPTOR *TempTd;\r
-\r
- if (Ed == NULL) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- HeadTd = TD_PTR (Ed->Word2.TdHeadPointer);\r
- TailTd = Ed->TdTailPointer;\r
-\r
- Td = HeadTd;\r
- while (Td != TailTd) {\r
- TempTd = Td;\r
- Td = Td->NextTDPointer;\r
- OhciFreeTD (Ohc, TempTd);\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
-\r
- Attach an ED\r
-\r
- @Param Ed Ed to be attached\r
- @Param NewEd Ed to attach\r
-\r
- @retval EFI_SUCCESS NewEd attached to Ed\r
- @retval EFI_INVALID_PARAMETER Ed is NULL\r
-\r
-**/\r
-EFI_STATUS\r
-OhciAttachED (\r
- IN ED_DESCRIPTOR *Ed,\r
- IN ED_DESCRIPTOR *NewEd\r
- )\r
-{\r
- ED_DESCRIPTOR *Temp;\r
-\r
- if (Ed == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (Ed->NextED == NULL){\r
- Ed->NextED = NewEd;\r
- } else {\r
- Temp = Ed->NextED;\r
- Ed->NextED = NewEd;\r
- NewEd->NextED = Temp;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
-\r
- Attach an ED to an ED list\r
-\r
- @Param OHC UHC private data\r
- @Param ListType Type of the ED list\r
- @Param Ed ED to attach\r
- @Param EdList ED list to be attached\r
-\r
- @retval EFI_SUCCESS ED attached to ED list\r
-\r
-**/\r
-EFI_STATUS\r
-OhciAttachEDToList (\r
- IN USB_OHCI_HC_DEV *Ohc,\r
- IN DESCRIPTOR_LIST_TYPE ListType,\r
- IN ED_DESCRIPTOR *Ed,\r
- IN ED_DESCRIPTOR *EdList\r
- )\r
-{\r
- ED_DESCRIPTOR *HeadEd;\r
-\r
- switch(ListType) {\r
- case CONTROL_LIST:\r
- HeadEd = (ED_DESCRIPTOR *) OhciGetMemoryPointer (Ohc, HC_CONTROL_HEAD);\r
- if (HeadEd == NULL) {\r
- OhciSetMemoryPointer (Ohc, HC_CONTROL_HEAD, Ed);\r
- } else {\r
- OhciAttachED (HeadEd, Ed);\r
- }\r
- break;\r
-\r
- case BULK_LIST:\r
- HeadEd = (ED_DESCRIPTOR *) OhciGetMemoryPointer (Ohc, HC_BULK_HEAD);\r
- if (HeadEd == NULL) {\r
- OhciSetMemoryPointer (Ohc, HC_BULK_HEAD, Ed);\r
- } else {\r
- OhciAttachED (HeadEd, Ed);\r
- }\r
- break;\r
-\r
- case INTERRUPT_LIST:\r
- OhciAttachED (EdList, Ed);\r
- break;\r
-\r
- default:\r
- ASSERT (FALSE);\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
-\r
- Link Td2 to the end of Td1\r
-\r
- @Param Td1 TD to be linked\r
- @Param Td2 TD to link\r
-\r
- @retval EFI_SUCCESS TD successfully linked\r
- @retval EFI_INVALID_PARAMETER Td1 is NULL\r
-\r
-**/\r
-EFI_STATUS\r
-OhciLinkTD (\r
- IN TD_DESCRIPTOR *Td1,\r
- IN TD_DESCRIPTOR *Td2\r
- )\r
-{\r
- TD_DESCRIPTOR *TempTd;\r
-\r
- if (Td1 == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (Td1 == Td2) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- TempTd = Td1;\r
- while (TempTd->NextTD != NULL) {\r
- TempTd = TempTd->NextTD;\r
- }\r
-\r
- TempTd->NextTD = Td2;\r
- TempTd->NextTDPointer = Td2;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
-\r
- Attach TD list to ED\r
-\r
- @Param Ed ED which TD list attach on\r
- @Param HeadTd Head of the TD list to attach\r
-\r
- @retval EFI_SUCCESS TD list attached on the ED\r
-\r
-**/\r
-EFI_STATUS\r
-OhciAttachTDListToED (\r
- IN ED_DESCRIPTOR *Ed,\r
- IN TD_DESCRIPTOR *HeadTd\r
- )\r
-{\r
- TD_DESCRIPTOR *TempTd;\r
-\r
- TempTd = TD_PTR (Ed->Word2.TdHeadPointer);\r
-\r
- if (TempTd != NULL) {\r
- while (TempTd->NextTD != NULL) {\r
- TempTd = TempTd->NextTD;\r
- }\r
- TempTd->NextTD = HeadTd;\r
- TempTd->NextTDPointer = HeadTd;\r
- } else {\r
- Ed->Word2.TdHeadPointer = RIGHT_SHIFT_4 ((UINT32) HeadTd);\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
-\r
- Set value to ED specific field\r
-\r
- @Param Ed ED to be set\r
- @Param Field Field to be set\r
- @Param Value Value to set\r
-\r
- @retval EFI_SUCCESS Value set\r
-\r
-**/\r
-EFI_STATUS\r
-OhciSetEDField (\r
- IN ED_DESCRIPTOR *Ed,\r
- IN UINT32 Field,\r
- IN UINT32 Value\r
- )\r
-{\r
- if (Field & ED_FUNC_ADD) {\r
- Ed->Word0.FunctionAddress = Value;\r
- }\r
- if (Field & ED_ENDPT_NUM) {\r
- Ed->Word0.EndPointNum = Value;\r
- }\r
- if (Field & ED_DIR) {\r
- Ed->Word0.Direction = Value;\r
- }\r
- if (Field & ED_SPEED) {\r
- Ed->Word0.Speed = Value;\r
- }\r
- if (Field & ED_SKIP) {\r
- Ed->Word0.Skip = Value;\r
- }\r
- if (Field & ED_FORMAT) {\r
- Ed->Word0.Format = Value;\r
- }\r
- if (Field & ED_MAX_PACKET) {\r
- Ed->Word0.MaxPacketSize = Value;\r
- }\r
- if (Field & ED_PDATA) {\r
- Ed->Word0.FreeSpace = Value;\r
- }\r
- if (Field & ED_ZERO) {\r
- Ed->Word2.Zero = Value;\r
- }\r
- if (Field & ED_TDTAIL_PTR) {\r
- Ed->TdTailPointer = (VOID *) Value;\r
- }\r
-\r
- if (Field & ED_HALTED) {\r
- Ed->Word2.Halted = Value;\r
- }\r
- if (Field & ED_DTTOGGLE) {\r
- Ed->Word2.ToggleCarry = Value;\r
- }\r
- if (Field & ED_TDHEAD_PTR) {\r
- Ed->Word2.TdHeadPointer = RIGHT_SHIFT_4 (Value);\r
- }\r
-\r
- if (Field & ED_NEXT_EDPTR) {\r
- Ed->NextED = (VOID *) Value;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
-\r
- Get value from an ED's specific field\r
-\r
- @Param Ed ED pointer\r
- @Param Field Field to get value from\r
-\r
- @retval Value of the field\r
-\r
-**/\r
-UINT32\r
-OhciGetEDField (\r
- IN ED_DESCRIPTOR *Ed,\r
- IN UINT32 Field\r
- )\r
-{\r
- switch (Field) {\r
- case ED_FUNC_ADD:\r
- return Ed->Word0.FunctionAddress;\r
- break;\r
- case ED_ENDPT_NUM:\r
- return Ed->Word0.EndPointNum;\r
- break;\r
- case ED_DIR:\r
- return Ed->Word0.Direction;\r
- break;\r
- case ED_SPEED:\r
- return Ed->Word0.Speed;\r
- break;\r
- case ED_SKIP:\r
- return Ed->Word0.Skip;\r
- break;\r
- case ED_FORMAT:\r
- return Ed->Word0.Format;\r
- break;\r
- case ED_MAX_PACKET:\r
- return Ed->Word0.MaxPacketSize;\r
- break;\r
-\r
- case ED_TDTAIL_PTR:\r
- return (UINT32) Ed->TdTailPointer;\r
- break;\r
-\r
- case ED_HALTED:\r
- return Ed->Word2.Halted;\r
- break;\r
-\r
- case ED_DTTOGGLE:\r
- return Ed->Word2.ToggleCarry;\r
- break;\r
-\r
- case ED_TDHEAD_PTR:\r
- return Ed->Word2.TdHeadPointer << 4;\r
- break;\r
-\r
- case ED_NEXT_EDPTR:\r
- return (UINT32) Ed->NextED;\r
- break;\r
-\r
- default:\r
- ASSERT (FALSE);\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-\r
-/**\r
-\r
- Set value to TD specific field\r
-\r
- @Param Td TD to be set\r
- @Param Field Field to be set\r
- @Param Value Value to set\r
-\r
- @retval EFI_SUCCESS Value set\r
-\r
-**/\r
-EFI_STATUS\r
-OhciSetTDField (\r
- IN TD_DESCRIPTOR *Td,\r
- IN UINT32 Field,\r
- IN UINT32 Value\r
- )\r
-{\r
- if (Field & TD_PDATA) {\r
- Td->Word0.Reserved = Value;\r
- }\r
- if (Field & TD_BUFFER_ROUND) {\r
- Td->Word0.BufferRounding = Value;\r
- }\r
- if (Field & TD_DIR_PID) {\r
- Td->Word0.DirPID = Value;\r
- }\r
- if (Field & TD_DELAY_INT) {\r
- Td->Word0.DelayInterrupt = Value;\r
- }\r
- if (Field & TD_DT_TOGGLE) {\r
- Td->Word0.DataToggle = Value | 0x2;\r
- }\r
- if (Field & TD_ERROR_CNT) {\r
- Td->Word0.ErrorCount = Value;\r
- }\r
- if (Field & TD_COND_CODE) {\r
- Td->Word0.ConditionCode = Value;\r
- }\r
-\r
- if (Field & TD_CURR_BUFFER_PTR) {\r
- Td->CurrBufferPointer = (VOID *) Value;\r
- }\r
-\r
-\r
- if (Field & TD_NEXT_PTR) {\r
- Td->NextTD = (VOID *) Value;\r
- }\r
-\r
- if (Field & TD_BUFFER_END_PTR) {\r
- Td->BufferEndPointer = (VOID *) Value;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-\r
-/**\r
-\r
- Get value from ED specific field\r
-\r
- @Param Td TD pointer\r
- @Param Field Field to get value from\r
-\r
- @retval Value of the field\r
-\r
-**/\r
-\r
-UINT32\r
-OhciGetTDField (\r
- IN TD_DESCRIPTOR *Td,\r
- IN UINT32 Field\r
- )\r
-{\r
- switch (Field){\r
- case TD_BUFFER_ROUND:\r
- return Td->Word0.BufferRounding;\r
- break;\r
- case TD_DIR_PID:\r
- return Td->Word0.DirPID;\r
- break;\r
- case TD_DELAY_INT:\r
- return Td->Word0.DelayInterrupt;\r
- break;\r
- case TD_DT_TOGGLE:\r
- return Td->Word0.DataToggle;\r
- break;\r
- case TD_ERROR_CNT:\r
- return Td->Word0.ErrorCount;\r
- break;\r
- case TD_COND_CODE:\r
- return Td->Word0.ConditionCode;\r
- break;\r
- case TD_CURR_BUFFER_PTR:\r
- return (UINT32) Td->CurrBufferPointer;\r
- break;\r
-\r
- case TD_NEXT_PTR:\r
- return (UINT32) Td->NextTD;\r
- break;\r
-\r
- case TD_BUFFER_END_PTR:\r
- return (UINT32) Td->BufferEndPointer;\r
- break;\r
-\r
- default:\r
- ASSERT (FALSE);\r
- }\r
-\r
- return 0;\r
-}\r
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