From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- usb/host/ohci/ohci.c | 124 +++++++++++++++++++++++++++++++++++++++++++++ usb/host/ohci/ohci.h | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 263 insertions(+) create mode 100644 usb/host/ohci/ohci.c create mode 100644 usb/host/ohci/ohci.h (limited to 'usb/host/ohci') diff --git a/usb/host/ohci/ohci.c b/usb/host/ohci/ohci.c new file mode 100644 index 0000000..d125559 --- /dev/null +++ b/usb/host/ohci/ohci.c @@ -0,0 +1,124 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ + +/// OHCI ED, TD HCCA definitions + inlined functions + + +#include "ohci.h" + + +//------------------------------------------------------------------------------ +/// Init a pre-allocated endpoint descriptor +/// TD must be aligned on a 16 bytes boundary +//------------------------------------------------------------------------------ +void OHCI_CreateEd( unsigned int EDAddr, + unsigned int MaxPacket, + unsigned int TDFormat, + unsigned int Skip, + unsigned int Speed, + unsigned int Direction, + unsigned int EndPt, + unsigned int FuncAddress, + unsigned int TDQTailPntr, + unsigned int TDQHeadPntr, + unsigned int ToggleCarry, + unsigned int NextED ) +{ + OHCIEndpointDescriptor *pED = (OHCIEndpointDescriptor*) EDAddr; + + pED->Control = (MaxPacket << 16) | (TDFormat << 15) | + (Skip << 14) | (Speed << 13) | (Direction << 11) | + (EndPt << 7) | FuncAddress; + pED->TailP = (TDQTailPntr & 0xFFFFFFF0); + pED->HeadP = (TDQHeadPntr & 0xFFFFFFF0) | (ToggleCarry << 1); + pED->NextEd = (NextED & 0xFFFFFFF0); +} + +//------------------------------------------------------------------------------ +/// Init a pre-allocated transfer descriptor +/// TD must be aligned on a 16 bytes boundary +//------------------------------------------------------------------------------ +void OHCI_CreateGenTd( unsigned int GenTdAddr, + unsigned int DataToggle, + unsigned int DelayInterrupt, + unsigned int Direction, + unsigned int BufRnding, + unsigned int CurBufPtr, + unsigned int NextTD, + unsigned int BuffLen) +{ + OHCITransferDescriptor *pTD = (OHCITransferDescriptor*) GenTdAddr; + + pTD->Control = (DataToggle << 24) | (DelayInterrupt << 21) + | (Direction << 19) | (BufRnding << 18); + pTD->CBP = CurBufPtr; + pTD->NextTD = (NextTD & 0xFFFFFFF0); + pTD->BE = (BuffLen) ? (CurBufPtr + BuffLen - 1) : CurBufPtr; +} + +//------------------------------------------------------------------------------ +/// Init a pre-allocated periodic transfer descriptor +/// TD must be aligned on a 16 bytes boundary +//------------------------------------------------------------------------------ +void OHCI_CreateGenITd( unsigned int GenTdAddr, + unsigned int CondCode, + unsigned int FrameCount, + unsigned int DelayInterrupt, + unsigned int StartFrame, + unsigned int BuffPage0, + unsigned int NextTD, + unsigned int BufEnd, + unsigned int PswOffset0, + unsigned int PswOffset1, + unsigned int PswOffset2, + unsigned int PswOffset3, + unsigned int PswOffset4, + unsigned int PswOffset5, + unsigned int PswOffset6, + unsigned int PswOffset7) +{ + OHCIPeriodicTransferDescriptor *pITD = (OHCIPeriodicTransferDescriptor*) GenTdAddr; + + pITD->Control = (CondCode << 28) | (FrameCount << 24) + | (DelayInterrupt << 21) | StartFrame; + pITD->BP0 = (BuffPage0 << 12); + pITD->NextTD = (NextTD << 4); + pITD->BE = BufEnd; + pITD->PSW0 = PswOffset0; + pITD->PSW1 = PswOffset1; + pITD->PSW2 = PswOffset2; + pITD->PSW3 = PswOffset3; + pITD->PSW4 = PswOffset4; + pITD->PSW5 = PswOffset5; + pITD->PSW6 = PswOffset6; + pITD->PSW7 = PswOffset7; + +} + + diff --git a/usb/host/ohci/ohci.h b/usb/host/ohci/ohci.h new file mode 100644 index 0000000..804d75b --- /dev/null +++ b/usb/host/ohci/ohci.h @@ -0,0 +1,139 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ---------------------------------------------------------------------------- + */ + +/// OHCI ED, TD HCCA definitions + inlined functions + +#ifndef _OHCI_H +#define _OHCI_H + +#ifdef __ICCARM__ // IAR +#pragma pack(8) +#define __attribute__(...) // IAR +#endif // IAR +// Endpoint Descriptor Field Definitions +typedef struct { + // FunctionAddress | EndpointNumber | Direction | Speed | sKip | Format + // MaximumPacketSize + volatile unsigned int Control; + // TailP: TDQueueTailPointer + // If TailP and HeadP are the same, then the list contains no TD that the HC + // can process. If TailP and HeadP are different, then the list contains a TD to be + // processed. + volatile unsigned int TailP; + // HeadP: TDQueueHeadPointer Points to the next TD to be processed for this + // endpoint. + volatile unsigned int HeadP; + // NextED: If nonzero, then this entry points to the next ED on the list + volatile unsigned int NextEd; +} __attribute__((aligned(16))) OHCIEndpointDescriptor; + +/// General Transfer Descriptor Format +typedef struct { + volatile unsigned int Control; // bufferRounding | Direction/PID | DelayInterrupt + // DataToggle | ErrorCount | ConditionCode + volatile unsigned int CBP; // Current Buffer Pointer + volatile unsigned int NextTD; // Next TD + volatile unsigned int BE; // Buffer End +} __attribute__((aligned(16))) OHCITransferDescriptor; + +typedef struct { + volatile unsigned int Control; // StartingFrame | DelayInterrupt | FrameCount + // ConditionCode + volatile unsigned int BP0; // Buffer Page 0 + volatile unsigned int NextTD; // NextTD + volatile unsigned int BE; // Buffer End + volatile unsigned int PSW0; // Offset0/PSW0 + volatile unsigned int PSW1; // Offset1/PSW1 + volatile unsigned int PSW2; // Offset2/PSW2 + volatile unsigned int PSW3; // Offset3/PSW3 + volatile unsigned int PSW4; // Offset4/PSW4 + volatile unsigned int PSW5; // Offset5/PSW5 + volatile unsigned int PSW6; // Offset6/PSW6 + volatile unsigned int PSW7; // Offset7/PSW7 +} __attribute__((aligned(8))) OHCIPeriodicTransferDescriptor; + +//Host Controller Communications Area Description +typedef struct { + // pointers to an Interrupt List each of which is a list of EDs + volatile unsigned int UHP_HccaInterruptTable[32]; + // This 16-bit value is updated by the Host Controller on each frame. + volatile unsigned short UHP_HccaFrameNumber; // current frame number + // When the HC updates HccaFrameNumber, it sets this word to 0. + volatile unsigned short UHP_HccaPad1; + // When a TD is complete (with or without an error) it is unlinked from the + // queue that it is on and linked to the Done Queue + volatile unsigned int UHP_HccaDoneHead; + // Reserved for use by HC + volatile unsigned char reserved[116]; +} __attribute__((aligned(8))) OHCI_HCCA; + +#ifdef __ICCARM__ // IAR +#pragma pack() // IAR +#endif // IAR + + +extern void OHCI_CreateEd( unsigned int EDAddr, + unsigned int MaxPacket, + unsigned int TDFormat, + unsigned int Skip, + unsigned int Speed, + unsigned int Direction, + unsigned int EndPt, + unsigned int FuncAddress, + unsigned int TDQTailPntr, + unsigned int TDQHeadPntr, + unsigned int ToggleCarry, + unsigned int NextED ); +extern void OHCI_CreateGenTd( unsigned int GenTdAddr, + unsigned int DataToggle, + unsigned int DelayInterrupt, + unsigned int Direction, + unsigned int BufRnding, + unsigned int CurBufPtr, + unsigned int NextTD, + unsigned int BuffLen); +extern void OHCI_CreateGenITd( unsigned int GenTdAddr, + unsigned int CondCode, + unsigned int FrameCount, + unsigned int DelayInterrupt, + unsigned int StartFrame, + unsigned int BuffPage0, + unsigned int NextTD, + unsigned int BufEnd, + unsigned int PswOffset0, + unsigned int PswOffset1, + unsigned int PswOffset2, + unsigned int PswOffset3, + unsigned int PswOffset4, + unsigned int PswOffset5, + unsigned int PswOffset6, + unsigned int PswOffset7); +#endif //_OHCI_H + + -- cgit v1.2.3