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/core/USBH.h | 73 ++++++++++++++++ usb/host/core/USB_UHP.c | 223 ++++++++++++++++++++++++++++++++++++++++++++++++ usb/host/ohci/ohci.c | 124 +++++++++++++++++++++++++++ usb/host/ohci/ohci.h | 139 ++++++++++++++++++++++++++++++ 4 files changed, 559 insertions(+) create mode 100644 usb/host/core/USBH.h create mode 100644 usb/host/core/USB_UHP.c create mode 100644 usb/host/ohci/ohci.c create mode 100644 usb/host/ohci/ohci.h (limited to 'usb/host') diff --git a/usb/host/core/USBH.h b/usb/host/core/USBH.h new file mode 100644 index 0000000..7836619 --- /dev/null +++ b/usb/host/core/USBH.h @@ -0,0 +1,73 @@ +/* ---------------------------------------------------------------------------- + * 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. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +/// \unit +/// +/// !!!Purpose +/// +/// Collection of methods for using the USB device controller on AT91 +/// microcontrollers. +/// +/// !!!Usage +/// +/// Please refer to the corresponding application note. +/// - "AT91 USB device framework" +/// - "USBD API" . "USBD API Methods" +//------------------------------------------------------------------------------ + +#ifndef USBH_H +#define USBH_H + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include +//#include +//#include +#include +//------------------------------------------------------------------------------ +// Definitions +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Exported functions +//------------------------------------------------------------------------------ + +extern void USBH_Init(OHCI_HCCA* pHCCA); +extern void USBH_ResetPort(unsigned char portNumber); +extern unsigned char USBH_IsDeviceConnectedOnPort(unsigned char portNumber); +extern void USBH_program(unsigned int* pBHED, unsigned int* pBCED, OHCI_HCCA* pHCCA); +extern void USBH_enablingPort(void); + + +#endif //#ifndef USBD_H + diff --git a/usb/host/core/USB_UHP.c b/usb/host/core/USB_UHP.c new file mode 100644 index 0000000..59c3b4c --- /dev/null +++ b/usb/host/core/USB_UHP.c @@ -0,0 +1,223 @@ +/* ---------------------------------------------------------------------------- + * 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. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include +#include +#include +#include +#include "USBH.h" +#include + + +//------------------------------------------------------------------------------ +// Definitions +//------------------------------------------------------------------------------ + +/// HcFmInterval Register: +/// FrameInterval specifies the interval between 2 consecutive SOFs in bit times +/// 1/12 = 0,08333333 +/// 1(ms) / 0,0833333 = 12 +/// FrameInterval = 12x1000 = 12000 +#define FRAMEINTERVAL 12000 +/// FSLargestDataPacket +/// This field specifies a value which is loaded into the Largest +/// Data Packet Counter at the beginning of each frame. + +/// overhead. +/// The value of MAXIMUM_OVERHEAD below is 210 bit times. +#define MAXIMUM_OVERHEAD 210 +/// FSLargestDataPacket initializes a counter within the Host Controller that is +/// used to determine if a transaction on USB can be completed before EOF +/// processing must start. +/// It is a function of the new FrameInterval and is calculated by subtracting +/// from FrameInterval the maximum number of bit times for transaction overhead +/// on USB and the number of bit times needed for EOF processing, then +/// multiplying the result by 6/7 to account for the worst case bit stuffing +#define FSLARGESTDATAPACKET (((FRAMEINTERVAL-MAXIMUM_OVERHEAD) * 6) / 7) +#define OHCI_FMINTERVAL ((FSLARGESTDATAPACKET << 16) | FRAMEINTERVAL) + +/// HcPeriodicStart Register +// The HcPeriodicStart register has a 14-bit programmable value which +// determines when is the earliest time HC should start processing the +// periodic list. +/// Set HcPeriodicStart to a value that is 90% of the value in FrameInterval +/// field of the HcFmInterval register. +#define OHCI_PRDSTRT (FRAMEINTERVAL*90/100) + + +//------------------------------------------------------------------------------ +// Internal Functions +//------------------------------------------------------------------------------ + +#ifdef AT91C_BASE_UHPHS_OHCI +#define AT91C_ID_UHP AT91C_ID_UHPHS +#define AT91C_BASE_UHP AT91C_BASE_UHPHS_OHCI +#define UHP_HcRhPortStatus UHPHS_OHCI_HcRhPortStatus +#define UHP_HcControlHeadED UHPHS_OHCI_HcControlHeadED +#define UHP_HcControlCurrentED UHPHS_OHCI_HcControlCurrentED +#define UHP_HcBulkDoneHead UHPHS_OHCI_HcBulkDoneHead +#define UHP_HcControl UHPHS_OHCI_HcControl +#define UHP_HcRhStatus UHPHS_OHCI_HcRhStatus +#define UHP_HcHCCA UHPHS_OHCI_HcHCCA +#define UHP_HcFmInterval UHPHS_OHCI_HcFmInterval +#define UHP_HcPeriodicStart UHPHS_OHCI_HcPeriodicStart +#endif + +//------------------------------------------------------------------------------ +/// Enable UHP clock +//------------------------------------------------------------------------------ +static inline void UHP_EnablePeripheralClock(void) +{ + AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_UHP); +} + +//------------------------------------------------------------------------------ +/// Disable UHP clock +//------------------------------------------------------------------------------ +static inline void UHP_DisablePeripheralClock( void ) +{ + AT91C_BASE_PMC->PMC_PCDR = (1 << AT91C_ID_UHP); +} + +//------------------------------------------------------------------------------ +/// Enables the 48MHz USB clock. +//------------------------------------------------------------------------------ +static inline void UHP_EnableUsbClock(void) +{ +#ifdef AT91C_PMC_USBS_USB_UPLL + AT91C_BASE_PMC->PMC_USB = AT91C_PMC_USBS_USB_UPLL | AT91C_PMC_USBDIV_10; +#endif +#ifdef AT91C_CKGR_UPLLEN_ENABLED + AT91C_BASE_PMC->PMC_UCKR = AT91C_CKGR_UPLLEN_ENABLED; +#endif + AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UHP; +} + +//------------------------------------------------------------------------------ +/// Disables the 48MHz USB clock. +//------------------------------------------------------------------------------ +static inline void UHP_DisableUsbClock(void) +{ + AT91C_BASE_PMC->PMC_SCDR = AT91C_PMC_UHP; +#ifdef AT91C_CKGR_UPLLEN_ENABLED + AT91C_BASE_PMC->PMC_UCKR = AT91C_CKGR_UPLLEN_ENABLED; +#endif +} + +//------------------------------------------------------------------------------ +// Exported functions +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +/// Detect a connected device +//------------------------------------------------------------------------------ +unsigned char USBH_IsDeviceConnectedOnPort(unsigned char portNumber) +{ + return (AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] & 0x01); +} + +//------------------------------------------------------------------------------ +/// Reset the port number +//------------------------------------------------------------------------------ +void USBH_ResetPort(unsigned char portNumber) +{ + // SetPortReset + AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] = (1 << 4); + // Wait for the end of reset + while (AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] & (1 << 4)); + // SetPortEnable + AT91C_BASE_UHP->UHP_HcRhPortStatus[portNumber] = (1 << 1); +} + +//------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ +void USBH_program(unsigned int* pBHED, unsigned int* pBCED, OHCI_HCCA* pHCCA) +{ + // Programming the BHED + // The HcBulkHeadED register contains the physical address of the first + // Endpoint Descriptor of the Bulk list. + AT91C_BASE_UHP->UHP_HcControlHeadED = (unsigned int) pBHED; + + // Programming the BCED + // The HcBulkCurrentED register contains the physical address of the current + // endpoint of the Bulk list. + AT91C_BASE_UHP->UHP_HcControlCurrentED = (unsigned int) pBCED; + + // Initializing the UHP_HcDoneHead + AT91C_BASE_UHP->UHP_HcBulkDoneHead = 0x00; + pHCCA->UHP_HccaDoneHead = 0x0000; + + // Forcing UHP_Hc to Operational State + AT91C_BASE_UHP->UHP_HcControl = 0x80; +} + +//------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ +void USBH_enablingPort(void) +{ + // Enabling port power + AT91C_BASE_UHP->UHP_HcRhPortStatus[0] = 0x00000100; + AT91C_BASE_UHP->UHP_HcRhPortStatus[1] = 0x00000100; + AT91C_BASE_UHP->UHP_HcRhStatus = 0x00010000; +} + +//------------------------------------------------------------------------------ +/// Initializes the specified USB driver +/// This function initializes the current FIFO bank of endpoints, +/// configures the pull-up and VBus lines, disconnects the pull-up and +/// then trigger the Init callback. +//------------------------------------------------------------------------------ +void USBH_Init(OHCI_HCCA* pHCCA) +{ + TRACE_DEBUG_WP("USBH Init()\n\r"); + + UHP_EnablePeripheralClock(); + UHP_EnableUsbClock(); + + // Forcing UHP_Hc to reset + AT91C_BASE_UHP->UHP_HcControl = 0; + + // Writing the UHP_HCCA + AT91C_BASE_UHP->UHP_HcHCCA = (unsigned int) &pHCCA; + + // Enabling list processing + AT91C_BASE_UHP->UHP_HcControl = 0; + + // HcFmInterval register is used to control the length of USB frames + AT91C_BASE_UHP->UHP_HcFmInterval = OHCI_FMINTERVAL; + // The HcPeriodicStart register has a 14-bit programmable value which + // determines when is the earliest time HC should start processing the + // periodic list. + AT91C_BASE_UHP->UHP_HcPeriodicStart = OHCI_PRDSTRT; +} + 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