openwrtv4/package/kernel/lantiq/ltq-hcd/src/ifxhcd_intr.c

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2012-12-15 01:59:53 +00:00
/*****************************************************************************
** FILE NAME : ifxhcd_intr.c
** PROJECT : IFX USB sub-system V3
** MODULES : IFX USB sub-system Host and Device driver
** SRC VERSION : 3.2
** DATE : 1/Jan/2011
** AUTHOR : Chen, Howard
** DESCRIPTION : This file contains the implementation of the HCD Interrupt handlers.
** FUNCTIONS :
** COMPILER : gcc
** REFERENCE : Synopsys DWC-OTG Driver 2.7
** COPYRIGHT : Copyright (c) 2010
** LANTIQ DEUTSCHLAND GMBH,
** Am Campeon 3, 85579 Neubiberg, Germany
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** Version Control Section **
** $Author$
** $Date$
** $Revisions$
** $Log$ Revision history
*****************************************************************************/
/*
* This file contains code fragments from Synopsys HS OTG Linux Software Driver.
* For this code the following notice is applicable:
*
* ==========================================================================
*
* Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
* "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
* otherwise expressly agreed to in writing between Synopsys and you.
*
* The Software IS NOT an item of Licensed Software or Licensed Product under
* any End User Software License Agreement or Agreement for Licensed Product
* with Synopsys or any supplement thereto. You are permitted to use and
* redistribute this Software in source and binary forms, with or without
* modification, provided that redistributions of source code must retain this
* notice. You may not view, use, disclose, copy or distribute this file or
* any information contained herein except pursuant to this license grant from
* Synopsys. If you do not agree with this notice, including the disclaimer
* below, then you are not authorized to use the Software.
*
* THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS 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.
* ========================================================================== */
/*!
\file ifxhcd_intr.c
\ingroup IFXUSB_DRIVER_V3
\brief This file contains the implementation of the HCD Interrupt handlers.
*/
#include <linux/version.h>
#include "ifxusb_version.h"
#include "ifxusb_plat.h"
#include "ifxusb_regs.h"
#include "ifxusb_cif.h"
#include "ifxhcd.h"
/* Macro used to clear one channel interrupt */
#define clear_hc_int(_hc_regs_,_intr_) \
do { \
hcint_data_t hcint_clear = {.d32 = 0}; \
hcint_clear.b._intr_ = 1; \
ifxusb_wreg(&((_hc_regs_)->hcint), hcint_clear.d32); \
} while (0)
/*
* Macro used to disable one channel interrupt. Channel interrupts are
* disabled when the channel is halted or released by the interrupt handler.
* There is no need to handle further interrupts of that type until the
* channel is re-assigned. In fact, subsequent handling may cause crashes
* because the channel structures are cleaned up when the channel is released.
*/
#define disable_hc_int(_hc_regs_,_intr_) \
do { \
hcint_data_t hcintmsk = {.d32 = 0}; \
hcintmsk.b._intr_ = 1; \
ifxusb_mreg(&((_hc_regs_)->hcintmsk), hcintmsk.d32, 0); \
} while (0)
#define enable_hc_int(_hc_regs_,_intr_) \
do { \
hcint_data_t hcintmsk = {.d32 = 0}; \
hcintmsk.b._intr_ = 1; \
ifxusb_mreg(&((_hc_regs_)->hcintmsk),0, hcintmsk.d32); \
} while (0)
/*
* Save the starting data toggle for the next transfer. The data toggle is
* saved in the QH for non-control transfers and it's saved in the QTD for
* control transfers.
*/
uint8_t read_data_toggle(ifxusb_hc_regs_t *_hc_regs)
{
hctsiz_data_t hctsiz;
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
return(hctsiz.b.pid);
}
static void release_channel_dump(ifxhcd_hc_t *ifxhc,
struct urb *urb,
ifxhcd_epqh_t *epqh,
ifxhcd_urbd_t *urbd,
ifxhcd_halt_status_e halt_status)
{
#ifdef __DEBUG__
printk(KERN_INFO);
switch (halt_status)
{
case HC_XFER_NO_HALT_STATUS:
printk("HC_XFER_NO_HALT_STATUS");break;
case HC_XFER_URB_COMPLETE:
printk("HC_XFER_URB_COMPLETE");break;
case HC_XFER_AHB_ERR:
printk("HC_XFER_AHB_ERR");break;
case HC_XFER_STALL:
printk("HC_XFER_STALL");break;
case HC_XFER_BABBLE_ERR:
printk("HC_XFER_BABBLE_ERR");break;
case HC_XFER_XACT_ERR:
printk("HC_XFER_XACT_ERR");break;
case HC_XFER_URB_DEQUEUE:
printk("HC_XFER_URB_DEQUEUE");break;
case HC_XFER_FRAME_OVERRUN:
printk("HC_XFER_FRAME_OVERRUN");break;
case HC_XFER_DATA_TOGGLE_ERR:
printk("HC_XFER_DATA_TOGGLE_ERR");break;
#ifdef __NAKSTOP__
case HC_XFER_NAK:
printk("HC_XFER_NAK");break;
#endif
case HC_XFER_COMPLETE:
printk("HC_XFER_COMPLETE");break;
default:
printk("KNOWN");break;
}
if(ifxhc)
printk("Ch %d %s%s S%d " , ifxhc->hc_num
,(ifxhc->ep_type == IFXUSB_EP_TYPE_CTRL)?"CTRL-":
((ifxhc->ep_type == IFXUSB_EP_TYPE_BULK)?"BULK-":
((ifxhc->ep_type == IFXUSB_EP_TYPE_INTR)?"INTR-":
((ifxhc->ep_type == IFXUSB_EP_TYPE_ISOC)?"ISOC-":"????"
)
)
)
,(ifxhc->is_in)?"IN":"OUT"
,(ifxhc->split)
);
else
printk(" [NULL HC] ");
printk("urb=%p epqh=%p urbd=%p\n",urb,epqh,urbd);
if(urb)
{
printk(KERN_INFO " Device address: %d\n", usb_pipedevice(urb->pipe));
printk(KERN_INFO " Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe),
(usb_pipein(urb->pipe) ? "IN" : "OUT"));
printk(KERN_INFO " Endpoint type: %s\n",
({char *pipetype;
switch (usb_pipetype(urb->pipe)) {
case PIPE_CONTROL: pipetype = "CTRL"; break;
case PIPE_BULK: pipetype = "BULK"; break;
case PIPE_INTERRUPT: pipetype = "INTR"; break;
case PIPE_ISOCHRONOUS: pipetype = "ISOC"; break;
default: pipetype = "????"; break;
}; pipetype;}));
printk(KERN_INFO " Speed: %s\n",
({char *speed;
switch (urb->dev->speed) {
case USB_SPEED_HIGH: speed = "HS"; break;
case USB_SPEED_FULL: speed = "FS"; break;
case USB_SPEED_LOW: speed = "LS"; break;
default: speed = "????"; break;
}; speed;}));
printk(KERN_INFO " Max packet size: %d\n",
usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe)));
printk(KERN_INFO " Data buffer length: %d/%d\n",urb->actual_length, urb->transfer_buffer_length);
printk(KERN_INFO " Transfer buffer: %p, Transfer DMA: %p\n",
urb->transfer_buffer, (void *)urb->transfer_dma);
printk(KERN_INFO " Setup buffer: %p, Setup DMA: %p\n",
urb->setup_packet, (void *)urb->setup_dma);
printk(KERN_INFO " Interval: %d\n", urb->interval);
}
if(urbd)
{
switch (urbd->status)
{
case HC_XFER_NO_HALT_STATUS:
printk(KERN_INFO " STATUS:HC_XFER_NO_HALT_STATUS\n");break;
case HC_XFER_URB_COMPLETE:
printk(KERN_INFO " STATUS:HC_XFER_URB_COMPLETE\n");break;
case HC_XFER_AHB_ERR:
printk(KERN_INFO " STATUS:HC_XFER_AHB_ERR\n");break;
case HC_XFER_STALL:
printk(KERN_INFO " STATUS:HC_XFER_STALL\n");break;
case HC_XFER_BABBLE_ERR:
printk(KERN_INFO " STATUS:HC_XFER_BABBLE_ERR\n");break;
case HC_XFER_XACT_ERR:
printk(KERN_INFO " STATUS:HC_XFER_XACT_ERR\n");break;
case HC_XFER_URB_DEQUEUE:
printk(KERN_INFO " STATUS:HC_XFER_URB_DEQUEUE\n");break;
case HC_XFER_FRAME_OVERRUN:
printk(KERN_INFO " STATUS:HC_XFER_FRAME_OVERRUN\n");break;
case HC_XFER_DATA_TOGGLE_ERR:
printk(KERN_INFO " STATUS:HC_XFER_DATA_TOGGLE_ERR\n");break;
case HC_XFER_COMPLETE:
printk(KERN_INFO " STATUS:HC_XFER_COMPLETE\n");break;
default:
printk(KERN_INFO " STATUS:UNKKNOWN %d\n",urbd->status);break;
}
}
#endif
}
/*!
\fn static void release_channel(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxhcd_halt_status_e _halt_status)
\brief Release the halted channel.
\param _ifxhcd Pointer to the sate of HCD structure
\param _ifxhc Pointer to host channel descriptor
\param _halt_status Halt satus
\return None
\ingroup IFXUSB_HCD
*/
static void release_channel(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxhcd_halt_status_e _halt_status)
{
ifxusb_hc_regs_t *hc_regs = _ifxhcd->core_if.hc_regs[_ifxhc->hc_num];
struct urb *urb = NULL;
ifxhcd_epqh_t *epqh = NULL;
ifxhcd_urbd_t *urbd = NULL;
IFX_DEBUGPL(DBG_HCDV, " %s: channel %d, halt_status %d\n",
__func__, _ifxhc->hc_num, _halt_status);
epqh=_ifxhc->epqh;
if(!epqh)
{
if(_halt_status!=HC_XFER_NO_EPQH)
IFX_ERROR("%s epqh=null\n",__func__);
}
else
{
urbd=epqh->urbd;
if(!urbd)
IFX_ERROR("%s urbd=null\n",__func__);
else
{
urb=urbd->urb;
if(!urb)
{
if(_halt_status!=HC_XFER_NO_URB)
IFX_ERROR("%s urb =null\n",__func__);
}
else
{
if (read_data_toggle(hc_regs) == IFXUSB_HCTSIZ_DATA0)
usb_settoggle (urb->dev,usb_pipeendpoint (urb->pipe), (_ifxhc->is_in)?0:1,0);
else if (read_data_toggle(hc_regs) == IFXUSB_HCTSIZ_DATA1)
usb_settoggle (urb->dev,usb_pipeendpoint (urb->pipe), (_ifxhc->is_in)?0:1,1);
}
}
}
switch (_halt_status)
{
case HC_XFER_NO_HALT_STATUS:
IFX_ERROR("%s: No halt_status, channel %d\n", __func__, _ifxhc->hc_num);
// return;
break;
case HC_XFER_COMPLETE:
IFX_ERROR("%s: Inavalid halt_status HC_XFER_COMPLETE, channel %d\n", __func__, _ifxhc->hc_num);
// return;
break;
case HC_XFER_NO_URB:
break;
case HC_XFER_NO_EPQH:
break;
case HC_XFER_URB_DEQUEUE:
case HC_XFER_AHB_ERR:
case HC_XFER_XACT_ERR:
case HC_XFER_FRAME_OVERRUN:
if(urbd && urb)
{
urbd->phase=URBD_DEQUEUEING;
ifxhcd_complete_urb(_ifxhcd, urbd, urbd->status);
}
else
{
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
break;
case HC_XFER_URB_COMPLETE:
if(urbd && urb)
{
urbd->phase=URBD_COMPLETING;
ifxhcd_complete_urb(_ifxhcd, urbd, urbd->status);
}
else
{
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
break;
case HC_XFER_STALL:
if(urbd)
{
urbd->phase=URBD_DEQUEUEING;
ifxhcd_complete_urb(_ifxhcd, urbd, -EPIPE);
}
else
{
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
if(epqh && urb && urb->dev && urb->pipe)
usb_settoggle(urb->dev, usb_pipeendpoint (urb->pipe), !usb_pipein(urb->pipe), IFXUSB_HC_PID_DATA0);
break;
case HC_XFER_BABBLE_ERR:
case HC_XFER_DATA_TOGGLE_ERR:
if(urbd)
{
urbd->phase=URBD_DEQUEUEING;
ifxhcd_complete_urb(_ifxhcd, urbd, -EOVERFLOW);
}
else
{
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
break;
#ifdef __NAKSTOP__
case HC_XFER_NAK:
if (_ifxhc->is_in)
{
if(urbd && urb)
{
urbd->phase=URBD_COMPLETING;
ifxhcd_complete_urb(_ifxhcd, urbd, 0);
}
else
{
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
}
else
{
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
break;
#endif
#if defined(__INTRNAKRETRY__) || defined(__INTRINCRETRY__)
case HC_XFER_INTR_NAK_RETRY:
epqh->phase=EPQH_READY;
urbd->phase=URBD_IDLE;
ifxhcd_hc_cleanup(&_ifxhcd->core_if, _ifxhc);
select_eps(_ifxhcd);
return;
break;
#endif
}
if(epqh)
{
ifxhcd_epqh_idle(epqh);
}
else if(_halt_status!=HC_XFER_NO_EPQH)
{
IFX_WARN("WARNING %s():%d epqh=%p\n",__func__,__LINE__,epqh);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
ifxhcd_hc_cleanup(&_ifxhcd->core_if, _ifxhc);
select_eps(_ifxhcd);
}
/*
* Updates the state of the URB after a Transfer Complete interrupt on the
* host channel. Updates the actual_length field of the URB based on the
* number of bytes transferred via the host channel. Sets the URB status
* if the data transfer is finished.
*
* @return 1 if the data transfer specified by the URB is completely finished,
* 0 otherwise.
*/
static int update_urb_state_xfer_comp(ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
struct urb *_urb,
ifxhcd_urbd_t *_urbd)
{
int xfer_done = 0;
#ifdef __EN_ISOC__
if(_urbd->epqh->ep_type==IFXUSB_EP_TYPE_ISOC)
{
struct usb_iso_packet_descriptor *frame_desc;
frame_desc = &_urb->iso_frame_desc[_urbd->isoc_frame_index];
if (_ifxhc->is_in)
{
hctsiz_data_t hctsiz;
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
frame_desc->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
if ((hctsiz.b.xfersize != 0) || (frame_desc->actual_length >= _urbd->xfer_len))
{
xfer_done = 1;
frame_desc->status = 0;
#if 0
if (frame_desc->actual_length < frame_desc->length && _urb->transfer_flags & URB_SHORT_NOT_OK)
frame_desc->status = -EREMOTEIO;
#endif
}
}
else
{
if (_ifxhc->split)
frame_desc->actual_length += _ifxhc->ssplit_out_xfer_count;
else
frame_desc->actual_length += _ifxhc->xfer_len;
if (frame_desc->actual_length >= _urbd->xfer_len)
{
xfer_done = 1;
frame_desc->status = 0;
}
}
}
else
#endif
if (_ifxhc->is_in)
{
hctsiz_data_t hctsiz;
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
_urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
#ifdef __INTRINCRETRY__
if(_urbd->epqh->ep_type==IFXUSB_EP_TYPE_INTR)
{
if(_ifxhc->xfer_len != hctsiz.b.xfersize)
{
xfer_done = 1;
_urbd->status = 0;
}
}
else
#endif
if ((hctsiz.b.xfersize != 0) || (_urb->actual_length >= _urb->transfer_buffer_length))
{
xfer_done = 1;
_urbd->status = 0;
if(_urb->transfer_flags & URB_SHORT_NOT_OK)
{
if (_urb->actual_length < _urb->transfer_buffer_length)
_urbd->status = -EREMOTEIO;
}
}
}
else if(_urb->transfer_buffer_length%_ifxhc->mps) // OUT without ZLP
{
if (_ifxhc->split)
_urb->actual_length += _ifxhc->ssplit_out_xfer_count;
else
_urb->actual_length += _ifxhc->xfer_len;
if (_urb->actual_length >= _urb->transfer_buffer_length)
{
xfer_done = 1;
_urbd->status = 0;
}
}
else if (_urb->actual_length >= _urb->transfer_buffer_length) //OUT with ZLP
{
xfer_done = 1;
_urbd->status = 0;
}
else //OUT without ZLP, unfinished
{
if (_ifxhc->split)
_urb->actual_length += _ifxhc->ssplit_out_xfer_count;
else
_urb->actual_length += _ifxhc->xfer_len;
if (!_ifxhc->short_rw && _urb->actual_length >= _urb->transfer_buffer_length)
{
xfer_done = 1;
_urbd->status = 0;
}
}
#ifdef __DEBUG__
{
hctsiz_data_t hctsiz;
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
IFX_DEBUGPL(DBG_HCDV, "IFXUSB: %s: %s, channel %d\n",
__func__, (_ifxhc->is_in ? "IN" : "OUT"), _ifxhc->hc_num);
IFX_DEBUGPL(DBG_HCDV, " hc->xfer_len %d\n", _ifxhc->xfer_len);
IFX_DEBUGPL(DBG_HCDV, " hctsiz.xfersize %d\n", hctsiz.b.xfersize);
#ifdef __EN_ISOC__
if(_urbd->epqh->ep_type==IFXUSB_EP_TYPE_ISOC)
{
IFX_DEBUGPL(DBG_HCDV, " descritor # %d\n", _urbd->isoc_frame_index);
IFX_DEBUGPL(DBG_HCDV, " buffer_length %d\n",
_urb->iso_frame_desc[_urbd->isoc_frame_index].length);
IFX_DEBUGPL(DBG_HCDV, " actual_length %d\n", _urb->iso_frame_desc[_urbd->isoc_frame_index].actual_length);
}
else
#endif
{
IFX_DEBUGPL(DBG_HCDV, " urb->transfer_buffer_length %d\n",
_urb->transfer_buffer_length);
IFX_DEBUGPL(DBG_HCDV, " urb->actual_length %d\n", _urb->actual_length);
}
}
#endif
return xfer_done;
}
#ifdef __EN_ISOC__
static void next_isoc_sub(unsigned long data)
{
ifxhcd_urbd_t *urbd;
ifxhcd_hcd_t *ifxhcd;
urbd=((ifxhcd_urbd_t *)data);
ifxhcd=urbd->epqh->ifxhcd;
if (!urbd->epqh)
IFX_ERROR("%s: invalid epqd\n",__func__);
#if defined(__UNALIGNED_BUF_ADJ__)
else
{
if( urbd->aligned_checked &&
// urbd->using_aligned_buf &&
urbd->xfer_buff &&
urbd->is_in)
{
uint8_t *buf;
buf=urbd->xfer_buff;
buf+=urbd->urb->iso_frame_desc[urbd->isoc_frame_index].offset;
memcpy(buf,urbd->aligned_buf,urbd->urb->iso_frame_desc[urbd->isoc_frame_index].length);
}
// urbd->using_aligned_buf=0;
// urbd->using_aligned_setup=0;
}
#endif
urbd->isoc_frame_index++;
if(urbd->isoc_frame_index>=urbd->urb->number_of_packets)
release_channel(ifxhcd,urbd->epqh->hc,HC_XFER_URB_COMPLETE);
else
init_hc(urbd->epqh);
}
#endif
/*!
\fn static void complete_channel(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxhcd_urbd_t *_urbd)
\brief Complete the transaction on the channel.
\param _ifxhcd Pointer to the sate of HCD structure
\param _ifxhc Pointer to host channel descriptor
\param _urbd Pointer to URB descriptor
\return None
\ingroup IFXUSB_HCD
*/
static void complete_channel(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxhcd_urbd_t *_urbd)
{
ifxusb_hc_regs_t *hc_regs = _ifxhcd->core_if.hc_regs[_ifxhc->hc_num];
struct urb *urb = NULL;
ifxhcd_epqh_t *epqh = NULL;
int urb_xfer_done;
IFX_DEBUGPL(DBG_HCD, "--Complete Channel %d : \n", _ifxhc->hc_num);
if(!_urbd)
{
IFX_ERROR("ERROR %s():%d urbd=%p\n",__func__,__LINE__,_urbd);
return;
}
urb = _urbd->urb;
epqh = _urbd->epqh;
if(!epqh)
{
release_channel(_ifxhcd,_ifxhc,HC_XFER_NO_EPQH);
return;
}
if(!urb || (unsigned long)urb->hcpriv!=(unsigned long)_urbd)
{
release_channel(_ifxhcd,_ifxhc,HC_XFER_NO_URB);
return;
}
if (_ifxhc->split)
_ifxhc->split = 1;
switch (epqh->ep_type)
{
case IFXUSB_EP_TYPE_CTRL:
switch (_ifxhc->control_phase)
{
case IFXHCD_CONTROL_SETUP:
if (_urbd->xfer_len > 0)
{
_ifxhc->control_phase = IFXHCD_CONTROL_DATA;
IFX_DEBUGPL(DBG_HCDV, " Control setup transaction done Data Stage now\n");
_ifxhc->is_in = _urbd->is_in;
_ifxhc->xfer_len = _urbd->xfer_len;
#if defined(__UNALIGNED_BUF_ADJ__)
if(_urbd->aligned_buf)
_ifxhc->xfer_buff = _urbd->aligned_buf;
else
#endif
_ifxhc->xfer_buff = _urbd->xfer_buff;
#ifdef __NAKSTOP__
if(!_ifxhc->split)
{
#ifdef __INNAKSTOP_CTRL__
if(_ifxhc->is_in)
_ifxhc->stop_on=1;
#endif
#ifdef __PINGSTOP_CTRL__
if(!_ifxhc->is_in)
_ifxhc->stop_on=1;
#endif
}
#endif
}
else
{
IFX_DEBUGPL(DBG_HCDV, " Control setup transaction done Status Stage now\n");
_ifxhc->control_phase = IFXHCD_CONTROL_STATUS;
_ifxhc->is_in = 1;
_ifxhc->xfer_len = 0;
_ifxhc->xfer_buff = _ifxhcd->status_buf;
#ifdef __NAKSTOP__
_ifxhc->stop_on=0;
#endif
}
if(_ifxhc->is_in)
_ifxhc->short_rw =0;
else
_ifxhc->short_rw =(urb->transfer_flags & URB_ZERO_PACKET)?1:0;
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
_ifxhc->xfer_count = 0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
break;
case IFXHCD_CONTROL_DATA:
urb_xfer_done = update_urb_state_xfer_comp(_ifxhc, hc_regs, urb, _urbd);
if (urb_xfer_done)
{
_ifxhc->control_phase = IFXHCD_CONTROL_STATUS;
IFX_DEBUGPL(DBG_HCDV, " Control data transaction done Status Stage now\n");
_ifxhc->is_in = (_urbd->is_in)?0:1;
_ifxhc->xfer_len = 0;
_ifxhc->xfer_count = 0;
_ifxhc->xfer_buff = _ifxhcd->status_buf;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
if(_ifxhc->is_in)
_ifxhc->short_rw =0;
else
_ifxhc->short_rw =1;
#ifdef __NAKSTOP__
_ifxhc->stop_on=0;
#endif
}
else // continue
{
IFX_DEBUGPL(DBG_HCDV, " Control data transaction continue\n");
_ifxhc->xfer_len = _urbd->xfer_len - urb->actual_length;
_ifxhc->xfer_count = urb->actual_length;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->data_pid_start = read_data_toggle(hc_regs);
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
break;
case IFXHCD_CONTROL_STATUS:
IFX_DEBUGPL(DBG_HCDV, " Control status transaction done\n");
if (_urbd->status == -EINPROGRESS)
_urbd->status = 0;
release_channel(_ifxhcd,_ifxhc,HC_XFER_URB_COMPLETE);
break;
}
break;
case IFXUSB_EP_TYPE_BULK:
IFX_DEBUGPL(DBG_HCDV, " Bulk transfer complete\n");
urb_xfer_done = update_urb_state_xfer_comp(_ifxhc, hc_regs, urb, _urbd);
if (urb_xfer_done)
release_channel(_ifxhcd,_ifxhc,HC_XFER_URB_COMPLETE);
else
{
_ifxhc->xfer_len = _urbd->xfer_len - urb->actual_length;
_ifxhc->xfer_count = urb->actual_length;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->data_pid_start = read_data_toggle(hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
break;
case IFXUSB_EP_TYPE_INTR:
urb_xfer_done = update_urb_state_xfer_comp(_ifxhc, hc_regs, urb, _urbd);
#ifdef __INTRINCRETRY__
if(!urb_xfer_done)
release_channel(_ifxhcd,_ifxhc,HC_XFER_INTR_NAK_RETRY);
else
#endif
release_channel(_ifxhcd,_ifxhc,HC_XFER_URB_COMPLETE);
break;
case IFXUSB_EP_TYPE_ISOC:
#ifdef __EN_ISOC__
urb_xfer_done = update_urb_state_xfer_comp(_ifxhc, hc_regs, urb, _urbd);
if (urb_xfer_done)
{
#if defined(__UNALIGNED_BUF_ADJ__)
if(in_irq())
{
if(!epqh->tasklet_next_isoc.func)
{
epqh->tasklet_next_isoc.next = NULL;
epqh->tasklet_next_isoc.state = 0;
atomic_set( &epqh->tasklet_next_isoc.count, 0);
epqh->tasklet_next_isoc.func = next_isoc_sub;
epqh->tasklet_next_isoc.data = (unsigned long)_urbd;
}
tasklet_schedule(&epqh->tasklet_next_isoc);
}
else
#endif
{
next_isoc_sub((unsigned long)_urbd);
}
}
else
{
struct usb_iso_packet_descriptor *frame_desc;
frame_desc = &urb->iso_frame_desc[_urbd->isoc_frame_index];
_ifxhc->xfer_len = _urbd->xfer_len - frame_desc->actual_length;
_ifxhc->xfer_count = frame_desc->actual_length;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->data_pid_start = read_data_toggle(hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
#endif
break;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrl_rx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
#ifdef __INNAKSTOP_CTRL__
if (_ifxhc->halt_status == HC_XFER_NAK)
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
u32 actual_length;
actual_length = _urbd->urb->actual_length + (_ifxhc->xfer_len - hctsiz.b.xfersize);
if(_urbd->xfer_len && actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
else
{
printk(KERN_INFO "Warning: %s() %d Invalid CTRL Phase:%d\n",__func__,__LINE__,_ifxhc->control_phase);
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
}
return 1;
}
#endif
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
// ZLP shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
#if 0
if(_ifxhc->control_phase == IFXHCD_CONTROL_STATUS)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
}
return 1;
}
else if (hcint.b.bblerr)
{
_urbd->error_count =0;
// ZLP shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
#if 0
if(_ifxhc->control_phase == IFXHCD_CONTROL_STATUS)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
}
return 1;
}
else if (hcint.b.xacterr)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
#if 1
if(_ifxhc->control_phase == IFXHCD_CONTROL_STATUS)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
#if 1
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
actual_length = _urbd->urb->actual_length + (_ifxhc->xfer_len - hctsiz.b.xfersize);
if(actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->error_count++;
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
if (_urbd->error_count >= 3)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->erron=1;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
#endif
}
else
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
return 1;
}
else if(hcint.b.datatglerr )
{
#if 0
#if 1
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
actual_length = _urbd->urb->actual_length + (_ifxhc->xfer_len - hctsiz.b.xfersize);
if(actual_length>=_urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->urb->actual_length = actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
}
#endif
#else
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
#endif
return 1;
}
else if(hcint.b.frmovrun )
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else
{
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition %08X/%08X %d\n",__func__,__LINE__,hcint.d32,hcintmsk.d32,_ifxhc->halt_status);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrl_tx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
#ifdef __PINGSTOP_CTRL__
if (_ifxhc->halt_status == HC_XFER_NAK)
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
u32 actual_length;
actual_length = _urbd->urb->actual_length + ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(_urbd->xfer_len && actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
else
{
printk(KERN_INFO "Warning: %s() %d Invalid CTRL Phase:%d\n",__func__,__LINE__,_ifxhc->control_phase);
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
}
return 1;
}
#endif
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
_urbd->error_count =0;
if(_ifxhc->xfer_len==0 && !hcint.b.ack && hcint.b.nak)
{
// Walkaround: When sending ZLP and receive NAK but also issue CMPT intr
// Solution: NoSplit: Resend at next SOF
// Split : Resend at next SOF with SSPLIT
if(hcint.b.nyet)
_ifxhc->epqh->do_ping=1;
_ifxhc->xfer_len = 0;
_ifxhc->xfer_count = 0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
else
{
if(hcint.b.nyet)
_ifxhc->epqh->do_ping=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
}
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
}
return 1;
}
else if (hcint.b.xacterr)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
if(_ifxhc->control_phase == IFXHCD_CONTROL_STATUS)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else if(_ifxhc->control_phase == IFXHCD_CONTROL_SETUP)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
#if 0
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
actual_length = _urbd->urb->actual_length + ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(actual_length>=_urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->error_count++;
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
if (_urbd->error_count >= 3)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->erron=1;
_ifxhc->phase=HC_WAITING;
_ifxhc->epqh->do_ping=1;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
#endif
}
else
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
return 1;
}
else if(hcint.b.bblerr )
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
}
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.nak || hcint.b.nyet)
{
#ifdef __PINGSTOP_CTRL__
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition\n",__func__,__LINE__);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
#else
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
if(_ifxhc->control_phase == IFXHCD_CONTROL_STATUS)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else if(_ifxhc->control_phase == IFXHCD_CONTROL_SETUP)
{
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition\n",__func__,__LINE__);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
#if 0
_ifxhc->epqh->do_ping=1;
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
_ifxhc->epqh->do_ping=1;
actual_length = _urbd->urb->actual_length + ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(actual_length>=_urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->erron=1;
_ifxhc->epqh->do_ping=1;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
#endif
}
#endif
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
}
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
}
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else
{
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition %08X/%08X %d\n",__func__,__LINE__,hcint.d32,hcintmsk.d32,_ifxhc->halt_status);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_bulk_rx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
#ifdef __INNAKSTOP_BULK__
if(_ifxhc->halt_status == HC_XFER_NAK)
{
u32 actual_length;
actual_length = _urbd->urb->actual_length + (_ifxhc->xfer_len - hctsiz.b.xfersize);
if(
(_urbd->xfer_len && actual_length>=_urbd->xfer_len)
|| hctsiz.b.pktcnt==0
|| (hctsiz.b.xfersize % _ifxhc->mps)>0
)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
#endif
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
// ZLP shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
}
return 1;
}
else if (hcint.b.bblerr)
{
_urbd->error_count =0;
// ZLP shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
}
return 1;
}
else if (hcint.b.xacterr)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
#if 0
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
actual_length = _urbd->urb->actual_length + (_ifxhc->xfer_len - hctsiz.b.xfersize);
if(actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->error_count++;
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
if (_urbd->error_count >= 3)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->erron=1;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
#endif
}
return 1;
}
else if(hcint.b.datatglerr )
{
#if 0
#if 1
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
actual_length = _urbd->urb->actual_length + (_ifxhc->xfer_len - hctsiz.b.xfersize);
if(actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->urb->actual_length = actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
}
#endif
#else
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
#endif
return 1;
}
else if(hcint.b.frmovrun )
{
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else
{
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition %08X/%08X %d sz:%d/%d/%d/%d\n",__func__,__LINE__,hcint.d32,hcintmsk.d32,_ifxhc->halt_status , hctsiz.b.xfersize, _ifxhc->xfer_len-_ifxhc->xfer_len,_ifxhc->xfer_len,_urbd->xfer_len);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_bulk_tx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
#ifdef __PINGSTOP_BULK__
if (_ifxhc->halt_status == HC_XFER_NAK)
{
u32 actual_length;
actual_length = _urbd->urb->actual_length + ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(_urbd->xfer_len && actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
#endif
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
_urbd->error_count =0;
if(_ifxhc->xfer_len==0 && !hcint.b.ack && hcint.b.nak)
{
// Walkaround: When sending ZLP and receive NAK but also issue CMPT intr
// Solution: NoSplit: Resend at next SOF
// Split : Resend at next SOF with SSPLIT
if(hcint.b.nyet)
_ifxhc->epqh->do_ping=1;
_ifxhc->xfer_len = 0;
_ifxhc->xfer_count = 0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
else
{
if(hcint.b.nyet)
_ifxhc->epqh->do_ping=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(_urbd->urb->actual_length>_urbd->xfer_len) _urbd->urb->actual_length=_urbd->xfer_len;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
}
return 1;
}
else if (hcint.b.xacterr)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
#if 0
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
actual_length = _urbd->urb->actual_length + ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(actual_length >= _urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->error_count++;
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
if (_urbd->error_count >= 3)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->erron=1;
_ifxhc->phase=HC_WAITING;
_ifxhc->epqh->do_ping=1;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
#endif
}
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(_urbd->urb->actual_length>_urbd->xfer_len) _urbd->urb->actual_length=_urbd->xfer_len;
IFX_ERROR("ERROR %s():%d invalid packet babble\n",__func__,__LINE__);
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.nak || hcint.b.nyet)
{
#ifdef __PINGSTOP_BULK__
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition\n",__func__,__LINE__);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
#else
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
#if 0
_ifxhc->epqh->do_ping=1;
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
#else
u32 actual_length;
_ifxhc->epqh->do_ping=1;
actual_length = _urbd->urb->actual_length + ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
if(actual_length>=_urbd->xfer_len)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_ifxhc->xfer_count =
_urbd->urb->actual_length = actual_length;
_ifxhc->xfer_len = _urbd->xfer_len - actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->erron=1;
_ifxhc->epqh->do_ping=1;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
#endif
}
#endif
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
// if( _urbd->urb->actual_length > _ifxhc->xfer_len) _urbd->urb->actual_length = _urbd->xfer_len;
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else
{
_urbd->error_count =0;
IFX_ERROR("ERROR %s():%d invalid chhlt condition %08X/%08X %d\n",__func__,__LINE__,hcint.d32,hcintmsk.d32,_ifxhc->halt_status);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_intr_rx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
_urbd->error_count =0;
//restart INTR immediately
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
// Don't care shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
}
return 1;
}
else if (hcint.b.bblerr)
{
_urbd->error_count =0;
// Don't care shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
}
return 1;
}
else if (hcint.b.datatglerr || hcint.b.frmovrun)
{
_urbd->error_count =0;
//restart INTR immediately
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.xacterr)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
return 1;
}
else if(hcint.b.nyet )
{
return 1;
}
else if (hcint.b.nak)
{
#ifdef __INTRNAKRETRY__
if(hctsiz.b.pktcnt)
{
release_channel(_ifxhcd, _ifxhc, HC_XFER_INTR_NAK_RETRY);
return 1;
}
#endif
_urbd->error_count =0;
//restart INTR immediately
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else
{
_urbd->error_count =0;
//restart INTR immediately
#if 0
if(hctsiz.b.pktcnt>0)
{
// TODO Re-initialize Channel (in next b_interval - 1 uF/F)
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
else
#endif
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_intr_tx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_urbd->error_count =0;
//restart INTR immediately
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.stall)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nyet);
disable_hc_int(_hc_regs,nak);
_urbd->error_count =0;
// Don't care shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
if(_ifxhc->xfer_len!=0)// !_ifxhc->is_in
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
}
return 1;
}
else if(hcint.b.nak || hcint.b.frmovrun )
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nyet);
disable_hc_int(_hc_regs,nak);
_urbd->error_count =0;
//restart INTR immediately
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if(hcint.b.xacterr )
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_isoc_rx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#ifdef __EN_ISOC__
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
if (hcint.b.xfercomp || hcint.b.frmovrun || hcint.d32 == 0x02)
{
_urbd->error_count=0;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.xfercomp)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
}
else if (hcint.b.xacterr || hcint.b.bblerr)
{
#ifndef VR9Skip
if(hctsiz.b.pktcnt==0)
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
if (hcint.b.bblerr)
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
else if (hcint.b.xacterr)
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
enable_hc_int(_hc_regs,ack);
enable_hc_int(_hc_regs,nak);
enable_hc_int(_hc_regs,nyet);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
#endif
}
else if(hcint.b.datatglerr )
{
return 1;
}
else if(hcint.b.stall )
{
return 1;
}
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_isoc_tx_nonsplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#ifdef __EN_ISOC__
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
if (hcint.b.xfercomp || hcint.d32 == 0x02)
{
_urbd->error_count=0;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.frmovrun)
{
#ifndef VR9Skip
_urbd->error_count=0;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
#endif
}
else if(hcint.b.datatglerr )
{
return 1;
}
else if(hcint.b.bblerr )
{
#ifndef VR9Skip
if(hctsiz.b.pktcnt==0)
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
}
else
{
enable_hc_int(_hc_regs,ack);
enable_hc_int(_hc_regs,nak);
enable_hc_int(_hc_regs,nyet);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
}
#endif
}
else if(hcint.b.xacterr )
{
if(hctsiz.b.pktcnt==0)
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.stall )
{
return 1;
}
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrl_rx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.ack)
{
_urbd->error_count=0;
_ifxhc->split=2;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if (hcint.b.nak)
{
_urbd->error_count = 0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if (hcint.b.xacterr)
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.nyet )
{
}
else if(hcint.b.xfercomp )
{
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrl_tx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.ack )
{
_urbd->error_count=0;
if (_ifxhc->control_phase != IFXHCD_CONTROL_SETUP)
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->data_pid_start =read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
if (_ifxhc->control_phase != IFXHCD_CONTROL_SETUP)
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->data_pid_start =read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nak )
{
_urbd->error_count =0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.xfercomp )
{
printk(KERN_INFO "Warning: %s() %d CTRL OUT SPLIT1 COMPLETE\n",__func__,__LINE__);
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_bulk_rx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.ack)
{
_urbd->error_count=0;
_ifxhc->split=2;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if (hcint.b.nak)
{
_urbd->error_count = 0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if (hcint.b.xacterr)
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.nyet )
{
}
else if(hcint.b.xfercomp )
{
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_bulk_tx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.ack )
{
_urbd->error_count=0;
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->data_pid_start =read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->data_pid_start =read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nak )
{
_urbd->error_count =0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.xfercomp )
{
printk(KERN_INFO "Warning: %s() %d BULK OUT SPLIT1 COMPLETE\n",__func__,__LINE__);
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_intr_rx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.ack)
{
_urbd->error_count=0;
_ifxhc->split=2;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nak)
{
_urbd->error_count=0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.xacterr)
{
hcchar_data_t hcchar;
hcchar.d32 = ifxusb_rreg(&_hc_regs->hcchar);
_urbd->error_count=hcchar.b.multicnt;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.xfercomp )
{
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_intr_tx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.ack )
{
_urbd->error_count=0;
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nak )
{
_urbd->error_count =0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count =0;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.xacterr )
{
hcchar_data_t hcchar;
hcchar.d32 = ifxusb_rreg(&_hc_regs->hcchar);
_urbd->error_count=hcchar.b.multicnt;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
enable_hc_int(_hc_regs,ack);
enable_hc_int(_hc_regs,nak);
enable_hc_int(_hc_regs,nyet);
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.xfercomp )
{
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_isoc_rx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#if defined(__EN_ISOC__) && defined(__EN_ISOC_SPLIT__)
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
if (hcint.b.ack )
{
Do Complete Split
}
else if(hcint.b.frmovrun )
{
Rewind Buffer Pointers
Retry Start Split (in next b_interval <EFBFBD>V 1 uF)
}
else if(hcint.b.datatglerr )
{
//warning
}
else if(hcint.b.bblerr )
{
//warning
}
else if(hcint.b.xacterr )
{
//warning
}
else if(hcint.b.stall )
{
//warning
}
else if(hcint.b.nak )
{
//warning
}
else if(hcint.b.xfercomp )
{
//warning
}
else if(hcint.b.nyet)
{
//warning
}
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_isoc_tx_ssplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#if defined(__EN_ISOC__) && defined(__EN_ISOC_SPLIT__)
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
if (hcint.b.ack )
{
//Do Next Start Split (in next b_interval <20>V 1 uF)
}
else if(hcint.b.frmovrun )
{
//Do Next Transaction in next frame.
}
else if(hcint.b.datatglerr )
{
//warning
}
else if(hcint.b.bblerr )
{
//warning
}
else if(hcint.b.xacterr )
{
//warning
}
else if(hcint.b.stall )
{
//warning
}
else if(hcint.b.nak )
{
//warning
}
else if(hcint.b.xfercomp )
{
//warning
}
else if(hcint.b.nyet)
{
//warning
}
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrl_rx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.xfercomp)
{
_urbd->error_count =0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.nak)
{
_ifxhc->split = 1;
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.stall || hcint.b.bblerr )
{
_urbd->error_count=0;
if (hcint.b.stall)
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
else if(hcint.b.bblerr )
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->data_pid_start == IFXUSB_HC_PID_DATA0)
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
else
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA0;
_ifxhc->split=1;
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrl_tx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if(hcint.b.xfercomp )
{
_urbd->error_count=0;
_ifxhc->split=1;
#if 0
if(_ifxhc->xfer_len==0 && !hcint.b.ack && (hcint.b.nak || hcint.b.nyet))
{
// Walkaround: When sending ZLP and receive NYEY or NAK but also issue CMPT intr
// Solution: NoSplit: Resend at next SOF
// Split : Resend at next SOF with SSPLIT
_ifxhc->xfer_len = 0;
_ifxhc->xfer_count = 0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
else
#endif
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->split = 1;
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
//Retry Complete Split
// Issue Retry instantly on next SOF, without gothrough process_channels
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->data_pid_start == IFXUSB_HC_PID_DATA0)
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
else
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA0;
_ifxhc->split=1;
if(_ifxhc->control_phase == IFXHCD_CONTROL_DATA)
{
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
}
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_bulk_rx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.xfercomp)
{
_urbd->error_count =0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.nak)
{
_ifxhc->split = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.stall || hcint.b.bblerr )
{
_urbd->error_count=0;
if (hcint.b.stall)
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
else if(hcint.b.bblerr )
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->data_pid_start == IFXUSB_HC_PID_DATA0)
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
else
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA0;
_ifxhc->split=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_bulk_tx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if(hcint.b.xfercomp )
{
_urbd->error_count=0;
_ifxhc->split=1;
#if 0
if(_ifxhc->xfer_len==0 && !hcint.b.ack && (hcint.b.nak || hcint.b.nyet))
{
// Walkaround: When sending ZLP and receive NYEY or NAK but also issue CMPT intr
// Solution: NoSplit: Resend at next SOF
// Split : Resend at next SOF with SSPLIT
_ifxhc->xfer_len = 0;
_ifxhc->xfer_count = 0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
else
#endif
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->split = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
//Retry Complete Split
// Issue Retry instantly on next SOF, without gothrough process_channels
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->epqh->do_ping=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->data_pid_start == IFXUSB_HC_PID_DATA0)
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
else
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA0;
_ifxhc->split=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_intr_rx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if (hcint.b.xfercomp )
{
_urbd->error_count=0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->split = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun || hcint.b.bblerr || hcint.b.stall )
{
_urbd->error_count=0;
if (hcint.b.stall)
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
else if(hcint.b.bblerr )
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
else if(hcint.b.frmovrun )
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.xacterr )
{
hcchar_data_t hcchar;
hcchar.d32 = ifxusb_rreg(&_hc_regs->hcchar);
_urbd->error_count=hcchar.b.multicnt;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->data_pid_start == IFXUSB_HC_PID_DATA0)
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
else
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA0;
_ifxhc->split=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_intr_tx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
if(hcint.b.xfercomp )
{
_urbd->error_count=0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->split = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.stall || hcint.b.frmovrun)
{
_urbd->error_count=0;
if (hcint.b.stall)
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
else if(hcint.b.frmovrun )
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.xacterr )
{
hcchar_data_t hcchar;
hcchar.d32 = ifxusb_rreg(&_hc_regs->hcchar);
_urbd->error_count=hcchar.b.multicnt;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->epqh->do_ping=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
if(_ifxhc->data_pid_start == IFXUSB_HC_PID_DATA0)
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA1;
else
_ifxhc->data_pid_start = IFXUSB_HC_PID_DATA0;
_ifxhc->split=1;
_ifxhc->epqh->do_ping=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count=0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_isoc_rx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#if defined(__EN_ISOC__) && defined(__EN_ISOC_SPLIT__)
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
if(hcint.b.xfercomp )
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_urbd->error_count=0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if(hcint.b.nak )
{
Retry Start Split (in next b_interval <EFBFBD>V 1 uF)
}
else if(hcint.b.nyet)
{
//Do Next Complete Split
// Issue Retry instantly on next SOF, without gothrough process_channels
_urbd->error_count=0;
//disable_hc_int(_hc_regs,ack);
//disable_hc_int(_hc_regs,nak);
//disable_hc_int(_hc_regs,datatglerr);
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun || hcint.b.stall || hcint.b.bblerr)
{
_urbd->error_count=0;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nyet);
disable_hc_int(_hc_regs,nak);
_ifxhc->wait_for_sof = 0;
//if(hctsiz.b.pktcnt==0)
//{
// complete_channel(_ifxhcd, _ifxhc, _urbd);
// return 1;
//}
//else
// _urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
if (hcint.b.stall)
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
else if(hcint.b.frmovrun )
else if(hcint.b.bblerr )
return 1;
}
else if(hcint.b.xacterr )
{
Rewind Buffer Pointers
if (HCCHARn.EC = = 3) // ERR response received
{
Record ERR error
Do Next Start Split (in next frame)
}
else
{
De-allocate Channel
}
}
else if(hcint.b.datatglerr )
{
warning
}
else if(hcint.b.ack )
{
warning
}
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_isoc_tx_csplit(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#if defined(__EN_ISOC__) && defined(__EN_ISOC_SPLIT__)
hcint_data_t hcint;
hcint_data_t hcintmsk;
hctsiz_data_t hctsiz;
int out_nak_enh = 0;
if (_ifxhcd->core_if.snpsid >= 0x4f54271a && _ifxhc->speed == IFXUSB_EP_SPEED_HIGH)
out_nak_enh = 1;
hcint.d32 = ifxusb_rreg(&_hc_regs->hcint);
hcintmsk.d32 = ifxusb_rreg(&_hc_regs->hcintmsk);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
warning
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/*!
\fn static int32_t handle_hc_chhltd_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
\brief This function handles halted interrupts of host channels.
\param _ifxhcd Pointer to the sate of HCD structure
\param _ifxhc Pointer to host channel descriptor
\param _hc_regs Pointer to host channel registers
\param _urbd Pointer to URB descriptor
\return 0 OK
\ingroup IFXUSB_HCD
*/
static
int32_t handle_hc_chhltd_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: Channel Halted--\n", _ifxhc->hc_num);
_ifxhc->phase = HC_STOPPED;
if(_ifxhc->epqh)
if(_ifxhc->epqh->urbd)
_ifxhc->epqh->urbd->phase=URBD_ACTIVE;
if (_ifxhc->halt_status == HC_XFER_URB_DEQUEUE ||
_ifxhc->halt_status == HC_XFER_AHB_ERR) {
/*
* Just release the channel. A dequeue can happen on a
* transfer timeout. In the case of an AHB Error, the channel
* was forced to halt because there's no way to gracefully
* recover.
*/
if(_ifxhc->epqh)
if(_ifxhc->epqh->urbd)
_ifxhc->epqh->urbd->phase=URBD_DEQUEUEING;
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
return 1;
}
if (_ifxhc->ep_type == IFXUSB_EP_TYPE_CTRL)
{
if (_ifxhc->split==0)
{
if(_ifxhc->is_in)
return (chhltd_ctrl_rx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_ctrl_tx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==1)
{
if(_ifxhc->is_in)
return (chhltd_ctrl_rx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_ctrl_tx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==2)
{
if(_ifxhc->is_in)
return (chhltd_ctrl_rx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_ctrl_tx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
}
else if(_ifxhc->ep_type == IFXUSB_EP_TYPE_BULK)
{
if (_ifxhc->split==0)
{
if(_ifxhc->is_in)
return (chhltd_bulk_rx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_bulk_tx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==1)
{
if(_ifxhc->is_in)
return (chhltd_bulk_rx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_bulk_tx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==2)
{
if(_ifxhc->is_in)
return (chhltd_bulk_rx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_bulk_tx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
}
else if(_ifxhc->ep_type == IFXUSB_EP_TYPE_INTR)
{
if (_ifxhc->split==0)
{
if(_ifxhc->is_in)
return (chhltd_intr_rx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_intr_tx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==1)
{
if(_ifxhc->is_in)
return (chhltd_intr_rx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_intr_tx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==2)
{
if(_ifxhc->is_in)
return (chhltd_intr_rx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_intr_tx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
}
else if(_ifxhc->ep_type == IFXUSB_EP_TYPE_ISOC)
{
if (_ifxhc->split==0)
{
if(_ifxhc->is_in)
return (chhltd_isoc_rx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_isoc_tx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==1)
{
if(_ifxhc->is_in)
return (chhltd_isoc_rx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_isoc_tx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==2)
{
if(_ifxhc->is_in)
return (chhltd_isoc_rx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_isoc_tx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
}
return 0;
}
/*
* Handles a host channel AHB error interrupt. This handler is only called in
* DMA mode.
*/
static void hc_other_intr_dump(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
#ifdef __DEBUG__
hcchar_data_t hcchar;
hcsplt_data_t hcsplt;
hctsiz_data_t hctsiz;
uint32_t hcdma;
struct urb *urb = _urbd->urb;
hcchar.d32 = ifxusb_rreg(&_hc_regs->hcchar);
hcsplt.d32 = ifxusb_rreg(&_hc_regs->hcsplt);
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
hcdma = ifxusb_rreg(&_hc_regs->hcdma);
IFX_ERROR("Channel %d\n", _ifxhc->hc_num);
IFX_ERROR(" hcchar 0x%08x, hcsplt 0x%08x\n", hcchar.d32, hcsplt.d32);
IFX_ERROR(" hctsiz 0x%08x, hcdma 0x%08x\n", hctsiz.d32, hcdma);
IFX_ERROR(" Device address: %d\n", usb_pipedevice(urb->pipe));
IFX_ERROR(" Endpoint: %d, %s\n", usb_pipeendpoint(urb->pipe),
(usb_pipein(urb->pipe) ? "IN" : "OUT"));
IFX_ERROR(" Endpoint type: %s\n",
({char *pipetype;
switch (usb_pipetype(urb->pipe)) {
case PIPE_CONTROL: pipetype = "CTRL"; break;
case PIPE_BULK: pipetype = "BULK"; break;
case PIPE_INTERRUPT: pipetype = "INTR"; break;
case PIPE_ISOCHRONOUS: pipetype = "ISOC"; break;
default: pipetype = "????"; break;
}; pipetype;}));
IFX_ERROR(" Speed: %s\n",
({char *speed;
switch (urb->dev->speed) {
case USB_SPEED_HIGH: speed = "HS"; break;
case USB_SPEED_FULL: speed = "FS"; break;
case USB_SPEED_LOW: speed = "LS"; break;
default: speed = "????"; break;
}; speed;}));
IFX_ERROR(" Max packet size: %d\n",
usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe)));
IFX_ERROR(" Data buffer length: %d\n", urb->transfer_buffer_length);
IFX_ERROR(" Transfer buffer: %p, Transfer DMA: %p\n",
urb->transfer_buffer, (void *)urb->transfer_dma);
IFX_ERROR(" Setup buffer: %p, Setup DMA: %p\n",
urb->setup_packet, (void *)urb->setup_dma);
IFX_ERROR(" Interval: %d\n", urb->interval);
#endif //__DEBUG__
}
/*
* Handles a host channel ACK interrupt. This interrupt is enabled when
* errors occur, and during Start Split transactions.
*/
static
int32_t handle_hc_ack_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
_urbd->error_count=0;
_ifxhc->erron = 0;
disable_hc_int(_hc_regs,nyet);
#ifdef __NAKSTOP__
if(!_ifxhc->stop_on)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
}
#else
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
#endif
return 1;
}
/*
* Handles a host channel ACK interrupt. This interrupt is enabled when
* errors occur, and during Start Split transactions.
*/
static
int32_t handle_hc_nak_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
_urbd->error_count=0;
_ifxhc->erron=0;
disable_hc_int(_hc_regs,nyet);
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
#ifdef __NAKSTOP__
if(_ifxhc->stop_on)
{
hcchar_data_t hcchar;
hcchar.d32 = ifxusb_rreg(&_hc_regs->hcchar);
if(hcchar.b.chen)
{
hcchar.b.chdis = 1;
_ifxhc->halt_status = HC_XFER_NAK;
ifxusb_wreg(&_hc_regs->hcchar, hcchar.d32);
}
}
#endif
return 1;
}
static
int32_t handle_hc_nyet_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
_urbd->error_count=0;
_ifxhc->erron = 0;
disable_hc_int(_hc_regs,nyet);
#ifdef __NAKSTOP__
if(!_ifxhc->stop_on)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
}
#else
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
#endif
return 1;
}
/*
* Handles a host channel AHB error interrupt. This handler is only called in
* DMA mode.
*/
static int32_t handle_hc_ahberr_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_DEBUGPL(DBG_HCD, "--Host Channel %d Interrupt: "
"AHB Error--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
ifxhcd_hc_halt(&_ifxhcd->core_if, _ifxhc, HC_XFER_AHB_ERR);
return 1;
}
/*
* Datatoggle
*/
static int32_t handle_hc_datatglerr_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_ERROR( "--Host Channel %d Interrupt: "
"DATATOGGLE Error--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
disable_hc_int(_hc_regs,datatglerr);
return 1;
}
/*
* Interrupts which should not been triggered
*/
static int32_t handle_hc_frmovrun_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_ERROR( "--Host Channel %d Interrupt: "
"FrameOverRun Error--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
disable_hc_int(_hc_regs,frmovrun);
return 1;
}
static int32_t handle_hc_bblerr_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_ERROR( "--Host Channel %d Interrupt: "
"BBL Error--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
disable_hc_int(_hc_regs,bblerr);
return 1;
}
static int32_t handle_hc_xacterr_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_ERROR( "--Host Channel %d Interrupt: "
"XACT Error--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
disable_hc_int(_hc_regs,xacterr);
return 1;
}
static int32_t handle_hc_stall_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_ERROR( "--Host Channel %d Interrupt: "
"STALL--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
disable_hc_int(_hc_regs,stall);
return 1;
}
static int32_t handle_hc_xfercomp_intr(ifxhcd_hcd_t *_ifxhcd,
ifxhcd_hc_t *_ifxhc,
ifxusb_hc_regs_t *_hc_regs,
ifxhcd_urbd_t *_urbd)
{
IFX_ERROR( "--Host Channel %d Interrupt: "
"XFERCOMP--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
disable_hc_int(_hc_regs,xfercomp);
return 1;
}
/* This interrupt indicates that the specified host channels has a pending
* interrupt. There are multiple conditions that can cause each host channel
* interrupt. This function determines which conditions have occurred for this
* host channel interrupt and handles them appropriately. */
static int32_t handle_hc_n_intr (ifxhcd_hcd_t *_ifxhcd, uint32_t _num)
{
uint32_t hcintval,hcintmsk;
hcint_data_t hcint;
ifxhcd_hc_t *ifxhc;
ifxusb_hc_regs_t *hc_regs;
ifxhcd_urbd_t *urbd;
int retval = 0;
IFX_DEBUGPL(DBG_HCDV, "--Host Channel Interrupt--, Channel %d\n", _num);
ifxhc = &_ifxhcd->ifxhc[_num];
hc_regs = _ifxhcd->core_if.hc_regs[_num];
hcintval = ifxusb_rreg(&hc_regs->hcint);
hcintmsk = ifxusb_rreg(&hc_regs->hcintmsk);
hcint.d32 = hcintval & hcintmsk;
IFX_DEBUGPL(DBG_HCDV, " 0x%08x & 0x%08x = 0x%08x\n",
hcintval, hcintmsk, hcint.d32);
urbd = ifxhc->epqh->urbd;
if (hcint.b.ahberr)
retval |= handle_hc_ahberr_intr(_ifxhcd, ifxhc, hc_regs, urbd);
else if (hcint.b.chhltd)
retval |= handle_hc_chhltd_intr(_ifxhcd, ifxhc, hc_regs, urbd);
else
{
if (hcint.b.datatglerr)
retval |= handle_hc_datatglerr_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.frmovrun)
retval |= handle_hc_frmovrun_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.bblerr)
retval |= handle_hc_bblerr_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.xacterr)
retval |= handle_hc_xacterr_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.nyet)
retval |= handle_hc_nyet_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.ack)
retval |= handle_hc_ack_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.nak)
retval |= handle_hc_nak_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.stall)
retval |= handle_hc_stall_intr(_ifxhcd, ifxhc, hc_regs, urbd);
if (hcint.b.xfercomp)
retval |= handle_hc_xfercomp_intr(_ifxhcd, ifxhc, hc_regs, urbd);
}
ifxusb_wreg(&hc_regs->hcint,hcintval);
return retval;
}
static uint8_t update_interval_counter(ifxhcd_epqh_t *_epqh,uint32_t _diff)
{
if(_diff>=_epqh->period_counter)
{
_epqh->period_do=1;
if(_diff>_epqh->interval)
_epqh->period_counter=1;
else
_epqh->period_counter=_epqh->period_counter+_epqh->interval-_diff;
return 1;
}
_epqh->period_counter=_epqh->period_counter-_diff;
return 0;
}
static
void process_unaligned( ifxhcd_epqh_t *_epqh, ifxusb_core_if_t *_core_if)
{
ifxhcd_urbd_t *urbd;
urbd =_epqh->urbd;
#if defined(__UNALIGNED_BUF_ADJ__) || defined(__UNALIGNED_BUF_CHK__)
if(!urbd->aligned_checked)
{
#if defined(__UNALIGNED_BUF_ADJ__)
uint32_t xfer_len;
xfer_len=urbd->xfer_len;
if(urbd->is_in && xfer_len<_epqh->mps)
xfer_len = _epqh->mps;
// urbd->using_aligned_buf=0;
if(xfer_len > 0 && ((unsigned long)urbd->xfer_buff) & _core_if->unaligned_mask)
{
if( urbd->aligned_buf
&& urbd->aligned_buf_len > 0
&& urbd->aligned_buf_len < xfer_len
)
{
ifxusb_free_buf_h(urbd->aligned_buf);
urbd->aligned_buf=NULL;
urbd->aligned_buf_len=0;
}
if(! urbd->aligned_buf || ! urbd->aligned_buf_len)
{
urbd->aligned_buf = ifxusb_alloc_buf_h(xfer_len, urbd->is_in);
if(urbd->aligned_buf)
urbd->aligned_buf_len = xfer_len;
}
if(urbd->aligned_buf)
{
if(!urbd->is_in)
memcpy(urbd->aligned_buf, urbd->xfer_buff, xfer_len);
// urbd->using_aligned_buf=1;
_epqh->hc->xfer_buff = urbd->aligned_buf;
}
else
IFX_WARN("%s():%d\n",__func__,__LINE__);
}
if(_epqh->ep_type==IFXUSB_EP_TYPE_CTRL)
{
// urbd->using_aligned_setup=0;
if(((unsigned long)urbd->setup_buff) & _core_if->unaligned_mask)
{
if(! urbd->aligned_setup)
urbd->aligned_setup = ifxusb_alloc_buf_h(8,0);
if(urbd->aligned_setup)
{
memcpy(urbd->aligned_setup, urbd->setup_buff, 8);
// urbd->using_aligned_setup=1;
}
else
IFX_WARN("%s():%d\n",__func__,__LINE__);
_epqh->hc->xfer_buff = urbd->aligned_setup;
}
}
#elif defined(__UNALIGNED_BUF_CHK__)
if(_epqh->urbd->is_in)
{
if(_epqh->urbd->xfer_len==0)
IFX_WARN("%s():%d IN xfer while length is zero \n",__func__,__LINE__);
else{
if(_epqh->urbd->xfer_len < _epqh->mps)
IFX_WARN("%s():%d IN xfer while length < mps \n",__func__,__LINE__);
if(((unsigned long)_epqh->urbd->xfer_buff) & _core_if->unaligned_mask)
IFX_WARN("%s():%d IN xfer Buffer UNALIGNED\n",__func__,__LINE__);
}
}
else
{
if(_epqh->urbd->xfer_len > 0 && (((unsigned long)_epqh->urbd->xfer_buff) & _core_if->unaligned_mask))
IFX_WARN("%s():%d OUT xfer Buffer UNALIGNED\n",__func__,__LINE__);
}
if(_epqh->ep_type==IFXUSB_EP_TYPE_CTRL)
{
if(((unsigned long)_epqh->urbd->setup_buff) & _core_if->unaligned_mask)
IFX_WARN("%s():%d SETUP xfer Buffer UNALIGNED\n",__func__,__LINE__);
}
#endif
}
urbd->aligned_checked=1;
#endif
}
/*!
\brief Assigns transactions from a URBD to a free host channel and initializes the
host channel to perform the transactions. The host channel is removed from
the free list.
\param _ifxhcd The HCD state structure.
\param _epqh Transactions from the first URBD for this EPQH are selected and assigned to a free host channel.
*/
static
int assign_hc(ifxhcd_hcd_t *_ifxhcd, ifxhcd_epqh_t *_epqh,ifxhcd_urbd_t *_urbd)
{
ifxhcd_hc_t *ifxhc;
struct urb *urb;
IFX_DEBUGPL(DBG_HCDV, "%s(%p,%p)\n", __func__, _ifxhcd, _epqh);
if(_ifxhcd->disconnecting)
{
printk(KERN_INFO "Warning: %s() Port is in discoonection\n",__func__);
return 0;
}
if(!_epqh) return 0;
if(!_urbd) return 0;
if(!_urbd->urb) return 0;
{
int i;
int num_channels = _ifxhcd->core_if.params.host_channels;
for(i=0;i<num_channels ; i++)
{
hcchar_data_t hcchar;
ifxusb_hc_regs_t *hc_regs;
hc_regs = _ifxhcd->core_if.hc_regs[i];
if(_ifxhcd->ifxhc[i].phase!=HC_IDLE)
{
continue;
}
hcchar.d32 = ifxusb_rreg(&hc_regs->hcchar);
if(hcchar.b.chen || hcchar.b.chdis)
{
continue;
}
break;
}
if(i<num_channels)
{
ifxhc=&_ifxhcd->ifxhc[i];
ifxhc->phase=HC_ASSIGNED;
}
else
return 0;
}
urb = _urbd->urb;
_epqh->hc = ifxhc;
_epqh->urbd = _urbd;
ifxhc->epqh = _epqh;
/*
* Use usb_pipedevice to determine device address. This address is
* 0 before the SET_ADDRESS command and the correct address afterward.
*/
ifxhc->dev_addr = usb_pipedevice(urb->pipe);
ifxhc->ep_num = usb_pipeendpoint(urb->pipe);
if (urb->dev->speed == USB_SPEED_LOW) ifxhc->speed = IFXUSB_EP_SPEED_LOW;
else if (urb->dev->speed == USB_SPEED_FULL) ifxhc->speed = IFXUSB_EP_SPEED_FULL;
else ifxhc->speed = IFXUSB_EP_SPEED_HIGH;
ifxhc->mps = _epqh->mps;
ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhc->ep_type = _epqh->ep_type;
ifxhc->split = 0;
if (_epqh->need_split)
{
ifxhc->split = 1;
ifxhc->hub_addr = urb->dev->tt->hub->devnum;
ifxhc->port_addr = urb->dev->ttport;
}
return 1;
}
/*!
\brief Assigns transactions from a URBD to a free host channel and initializes the
host channel to perform the transactions. The host channel is removed from
the free list.
\param _ifxhcd The HCD state structure.
\param _epqh Transactions from the first URBD for this EPQH are selected and assigned to a free host channel.
*/
static
void init_hc(ifxhcd_epqh_t *_epqh)
{
ifxhcd_hc_t *ifxhc;
ifxhcd_urbd_t *urbd;
struct urb *urb;
ifxhcd_hcd_t *ifxhcd;
IFX_DEBUGPL(DBG_HCDV, "%s(%p)\n", __func__, _epqh);
ifxhc =_epqh->hc;
urbd =_epqh->urbd;
ifxhcd=_epqh->ifxhcd;
urb = urbd->urb;
#if defined(__UNALIGNED_BUF_ADJ__) || defined(__UNALIGNED_BUF_CHK__)
urbd->aligned_checked=0;
#endif
ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
if(_epqh->ep_type==IFXUSB_EP_TYPE_CTRL)
{
ifxhc->control_phase =IFXHCD_CONTROL_SETUP;
ifxhc->is_in = 0;
ifxhc->data_pid_start = IFXUSB_HC_PID_SETUP;
ifxhc->xfer_buff = urbd->setup_buff;
ifxhc->xfer_len = 8;
ifxhc->xfer_count = 0;
ifxhc->short_rw =(urb->transfer_flags & URB_ZERO_PACKET)?1:0;
ifxhc->sof_delay = 0;
_epqh->do_ping=0;
if(!ifxhc->is_in && ifxhc->split==0)
_epqh->do_ping=1;
}
else if(_epqh->ep_type==IFXUSB_EP_TYPE_ISOC)
{
#ifdef __EN_ISOC__
struct usb_iso_packet_descriptor *frame_desc;
ifxhc->is_in = urbd->is_in;
frame_desc = &urb->iso_frame_desc[urbd->isoc_frame_index];
urbd->xfer_len = ifxhc->xfer_len = frame_desc->length;
ifxhc->xfer_buff = urbd->xfer_buff;
ifxhc->xfer_buff += frame_desc->offset;
ifxhc->xfer_count = 0;
ifxhc->sof_delay = 0;
if(usb_gettoggle (urb->dev,usb_pipeendpoint (urb->pipe), (ifxhc->is_in)?0:1))
ifxhc->data_pid_start = IFXUSB_HCTSIZ_DATA1;
else
ifxhc->data_pid_start = IFXUSB_HCTSIZ_DATA0;
if(ifxhc->is_in)
ifxhc->short_rw =0;
else
ifxhc->short_rw =(urb->transfer_flags & URB_ZERO_PACKET)?1:0;
#ifdef __EN_ISOC_SPLIT__
ifxhc->isoc_xact_pos = IFXUSB_HCSPLIT_XACTPOS_ALL;
#endif
_epqh->isoc_frame_index=0;
_epqh->isoc_now=0;
_epqh->isoc_start_frame=0;
if(_urb->transfer_flags && URB_ISO_ASAP)
_epqh->isoc_now=1;
else
_epqh->isoc_start_frame=_urb->start_frame;
#ifdef __EN_ISOC_SPLIT__
_epqh->isoc_split_pos =0;
_epqh->isoc_split_offset=0;
#endif
_epqh->do_ping=0;
#endif
}
else
{
ifxhc->is_in = urbd->is_in;
ifxhc->xfer_buff = urbd->xfer_buff;
ifxhc->xfer_len = urbd->xfer_len;
ifxhc->xfer_count = 0;
ifxhc->sof_delay = 0;
// if(ifxhc->xfer_len==13 && ifxhc->is_in && _epqh->ep_type==IFXUSB_EP_TYPE_BULK && ifxhc->split==0)
// ifxhc->sof_delay = 8;
if(usb_gettoggle (urb->dev,usb_pipeendpoint (urb->pipe), (ifxhc->is_in)?0:1))
ifxhc->data_pid_start = IFXUSB_HCTSIZ_DATA1;
else
ifxhc->data_pid_start = IFXUSB_HCTSIZ_DATA0;
if(ifxhc->is_in)
ifxhc->short_rw =0;
else
ifxhc->short_rw =(urb->transfer_flags & URB_ZERO_PACKET)?1:0;
_epqh->do_ping=0;
if(!ifxhc->is_in && ifxhc->split==0)
{
if(_epqh->ep_type==IFXUSB_EP_TYPE_BULK) _epqh->do_ping=1;
}
}
{
hcint_data_t hc_intr_mask;
uint8_t hc_num = ifxhc->hc_num;
ifxusb_hc_regs_t *hc_regs = ifxhcd->core_if.hc_regs[hc_num];
/* Clear old interrupt conditions for this host channel. */
hc_intr_mask.d32 = 0xFFFFFFFF;
hc_intr_mask.b.reserved = 0;
ifxusb_wreg(&hc_regs->hcint, hc_intr_mask.d32);
/* Enable channel interrupts required for this transfer. */
hc_intr_mask.d32 = 0;
hc_intr_mask.b.chhltd = 1;
hc_intr_mask.b.ahberr = 1;
ifxusb_wreg(&hc_regs->hcintmsk, hc_intr_mask.d32);
/* Enable the top level host channel interrupt. */
{
uint32_t intr_enable;
intr_enable = (1 << hc_num);
ifxusb_mreg(&ifxhcd->core_if.host_global_regs->haintmsk, 0, intr_enable);
}
/* Make sure host channel interrupts are enabled. */
{
gint_data_t gintmsk ={.d32 = 0};
gintmsk.b.hcintr = 1;
ifxusb_mreg(&ifxhcd->core_if.core_global_regs->gintmsk, 0, gintmsk.d32);
}
/*
* Program the HCCHARn register with the endpoint characteristics for
* the current transfer.
*/
{
hcchar_data_t hcchar;
hcchar.d32 = 0;
hcchar.b.devaddr = ifxhc->dev_addr;
hcchar.b.epnum = ifxhc->ep_num;
hcchar.b.lspddev = (ifxhc->speed == IFXUSB_EP_SPEED_LOW);
hcchar.b.eptype = ifxhc->ep_type;
hcchar.b.mps = ifxhc->mps;
ifxusb_wreg(&hc_regs->hcchar, hcchar.d32);
IFX_DEBUGPL(DBG_HCDV, "%s: Channel %d\n", __func__, ifxhc->hc_num);
IFX_DEBUGPL(DBG_HCDV, " Dev Addr: %d\n" , hcchar.b.devaddr);
IFX_DEBUGPL(DBG_HCDV, " Ep Num: %d\n" , hcchar.b.epnum);
IFX_DEBUGPL(DBG_HCDV, " Is Low Speed: %d\n", hcchar.b.lspddev);
IFX_DEBUGPL(DBG_HCDV, " Ep Type: %d\n" , hcchar.b.eptype);
IFX_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n" , hcchar.b.mps);
IFX_DEBUGPL(DBG_HCDV, " Multi Cnt: %d\n" , hcchar.b.multicnt);
}
/* Program the HCSPLIT register for SPLITs */
{
hcsplt_data_t hcsplt;
hcsplt.d32 = 0;
if (ifxhc->split)
{
IFX_DEBUGPL(DBG_HCDV, "Programming HC %d with split --> %s\n", ifxhc->hc_num,
(ifxhc->split==2) ? "CSPLIT" : "SSPLIT");
hcsplt.b.spltena = 1;
hcsplt.b.compsplt = (ifxhc->split==2);
#if defined(__EN_ISOC__) && defined(__EN_ISOC_SPLIT__)
if(_epqh->ep_type==IFXUSB_EP_TYPE_ISOC)
hcsplt.b.xactpos = ifxhc->isoc_xact_pos;
else
#endif
hcsplt.b.xactpos = IFXUSB_HCSPLIT_XACTPOS_ALL;
hcsplt.b.hubaddr = ifxhc->hub_addr;
hcsplt.b.prtaddr = ifxhc->port_addr;
IFX_DEBUGPL(DBG_HCDV, " comp split %d\n" , hcsplt.b.compsplt);
IFX_DEBUGPL(DBG_HCDV, " xact pos %d\n" , hcsplt.b.xactpos);
IFX_DEBUGPL(DBG_HCDV, " hub addr %d\n" , hcsplt.b.hubaddr);
IFX_DEBUGPL(DBG_HCDV, " port addr %d\n" , hcsplt.b.prtaddr);
IFX_DEBUGPL(DBG_HCDV, " is_in %d\n" , ifxhc->is_in);
IFX_DEBUGPL(DBG_HCDV, " Max Pkt: %d\n" , ifxhc->mps);
IFX_DEBUGPL(DBG_HCDV, " xferlen: %d\n" , ifxhc->xfer_len);
}
ifxusb_wreg(&hc_regs->hcsplt, hcsplt.d32);
}
}
process_unaligned(_epqh,&ifxhcd->core_if);
#ifdef __NAKSTOP__
ifxhc->stop_on=0;
if (!ifxhc->split && ifxhc->ep_type == IFXUSB_EP_TYPE_BULK)
{
#ifdef __INNAKSTOP_BULK__
if(ifxhc->is_in)
ifxhc->stop_on=1;
#endif
#ifdef __PINGSTOP_BULK__
if(!ifxhc->is_in)
ifxhc->stop_on=1;
#endif
}
#endif
}
static
void select_eps_sub(ifxhcd_hcd_t *_ifxhcd)
{
struct list_head *epqh_ptr;
ifxhcd_epqh_t *epqh;
struct list_head *urbd_ptr;
unsigned long flags;
ifxhcd_urbd_t *urbd;
hfnum_data_t hfnum;
uint32_t fndiff;
if(_ifxhcd->disconnecting)
{
// printk(KERN_INFO "Warning: %s() Port is in discoonection\n",__func__);
return ;
}
local_irq_save(flags);
LOCK_EPQH_LIST(_ifxhcd);
hfnum.d32 = ifxusb_rreg(&_ifxhcd->core_if.host_global_regs->hfnum);
fndiff = hfnum.b.frnum;
fndiff+= 0x00004000;
fndiff-= _ifxhcd->lastframe ;
fndiff&= 0x00003FFF;
if(!fndiff) fndiff =1;
#ifdef __EN_ISOC__
epqh_ptr = _ifxhcd->epqh_list_isoc.next;
while (epqh_ptr != &_ifxhcd->epqh_list_isoc)
{
epqh = list_entry(epqh_ptr, ifxhcd_epqh_t, ql);
epqh_ptr = epqh_ptr->next;
#ifdef __DYN_SOF_INTR__
if (!list_empty(&epqh->urbd_list))
_ifxhcd->dyn_sof_count = DYN_SOF_COUNT_DEF;
#endif
if(epqh->pause)
continue;
if(epqh->phase==EPQH_READY)
{
if(update_interval_counter(epqh,fndiff) || epqh->isoc_now)
{
LOCK_URBD_LIST(epqh);
urbd_ptr = epqh->urbd_list.next;
while (urbd_ptr != &epqh->urbd_list)
{
urbd = list_entry(urbd_ptr, ifxhcd_urbd_t, ql);
urbd_ptr=urbd_ptr->next;
if(urbd->phase==URBD_IDLE)
{
if(assign_hc(_ifxhcd, epqh,urbd))
{
IFX_DEBUGPL(DBG_HCD, " select_eps ISOC\n");
#ifdef __EPQD_DESTROY_TIMEOUT__
del_timer(&epqh->destroy_timer);
#endif
epqh->isoc_now=0;
list_del_init (&epqh->ql);
list_add_tail(&epqh->ql, &_ifxhcd->epqh_list_isoc);
init_hc(epqh);
epqh->phase=EPQH_ACTIVE;
urbd->phase==URBD_ACTIVE;
epqh->hc.phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, epqh->hc);
}
break;
}
}
UNLOCK_URBD_LIST(epqh);
}
}
}
#endif //__EN_ISOC__
epqh_ptr = _ifxhcd->epqh_list_intr.next;
while (epqh_ptr != &_ifxhcd->epqh_list_intr)
{
epqh = list_entry(epqh_ptr, ifxhcd_epqh_t, ql);
epqh_ptr = epqh_ptr->next;
#ifdef __DYN_SOF_INTR__
if (!list_empty(&epqh->urbd_list))
_ifxhcd->dyn_sof_count = DYN_SOF_COUNT_DEF;
#endif
if(epqh->pause)
continue;
if(epqh->phase==EPQH_READY)
{
if(update_interval_counter(epqh,fndiff))
{
LOCK_URBD_LIST(epqh);
urbd_ptr = epqh->urbd_list.next;
while (urbd_ptr != &epqh->urbd_list)
{
urbd = list_entry(urbd_ptr, ifxhcd_urbd_t, ql);
urbd_ptr=urbd_ptr->next;
if(urbd->phase==URBD_IDLE)
{
if(assign_hc(_ifxhcd, epqh,urbd))
{
IFX_DEBUGPL(DBG_HCD, " select_eps INTR\n");
#ifdef __EPQD_DESTROY_TIMEOUT__
del_timer(&epqh->destroy_timer);
#endif
list_del_init (&epqh->ql);
list_add_tail(&epqh->ql, &_ifxhcd->epqh_list_intr);
init_hc(epqh);
epqh->phase=EPQH_ACTIVE;
urbd->phase=URBD_ACTIVE;
epqh->hc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, epqh->hc);
}
break;
}
}
UNLOCK_URBD_LIST(epqh);
}
}
else if(epqh->phase==EPQH_STDBY)
{
if(epqh->period_counter > 0 )
epqh->period_counter --;
if(epqh->period_counter == 0)
ifxhcd_epqh_idle_periodic(epqh);
update_interval_counter(epqh,fndiff);
}
else
update_interval_counter(epqh,fndiff);
}
epqh_ptr = _ifxhcd->epqh_list_np.next;
while (epqh_ptr != &_ifxhcd->epqh_list_np) // may need to preserve at lease one for period
{
epqh = list_entry(epqh_ptr, ifxhcd_epqh_t, ql);
epqh_ptr = epqh_ptr->next;
#ifdef __DYN_SOF_INTR__
if (!list_empty(&epqh->urbd_list))
_ifxhcd->dyn_sof_count = DYN_SOF_COUNT_DEF;
#endif
if(epqh->pause)
continue;
if(epqh->phase==EPQH_READY)
{
LOCK_URBD_LIST(epqh);
urbd_ptr = epqh->urbd_list.next;
while (urbd_ptr != &epqh->urbd_list)
{
urbd = list_entry(urbd_ptr, ifxhcd_urbd_t, ql);
urbd_ptr=urbd_ptr->next;
if(urbd->phase==URBD_IDLE)
{
if(assign_hc(_ifxhcd, epqh,urbd))
{
IFX_DEBUGPL(DBG_HCD, " select_eps Non-Period\n");
#ifdef __EPQD_DESTROY_TIMEOUT__
del_timer(&epqh->destroy_timer);
#endif
list_del_init (&epqh->ql);
list_add_tail(&epqh->ql, &_ifxhcd->epqh_list_np);
init_hc(epqh);
epqh->phase=EPQH_ACTIVE;
urbd->phase=URBD_ACTIVE;
epqh->hc->phase=HC_WAITING;
ifxhcd_hc_start(_ifxhcd, epqh->hc);
}
break;
}
}
UNLOCK_URBD_LIST(epqh);
}
}
_ifxhcd->lastframe=hfnum.b.frnum;
UNLOCK_EPQH_LIST(_ifxhcd);
local_irq_restore(flags);
}
static
void select_eps_func(unsigned long data)
{
ifxhcd_hcd_t *ifxhcd;
ifxhcd=((ifxhcd_hcd_t *)data);
select_eps_sub(ifxhcd);
}
/*!
\fn void select_eps(ifxhcd_hcd_t *_ifxhcd)
\brief This function selects transactions from the HCD transfer schedule and assigns them to available host channels.
\param _ifxhcd Pointer to the sate of HCD structure
\ingroup IFXUSB_HCD
*/
void select_eps(ifxhcd_hcd_t *_ifxhcd)
{
if(in_irq())
{
if(!_ifxhcd->tasklet_select_eps.func)
{
_ifxhcd->tasklet_select_eps.next = NULL;
_ifxhcd->tasklet_select_eps.state = 0;
atomic_set( &_ifxhcd->tasklet_select_eps.count, 0);
_ifxhcd->tasklet_select_eps.func = select_eps_func;
_ifxhcd->tasklet_select_eps.data = (unsigned long)_ifxhcd;
}
tasklet_schedule(&_ifxhcd->tasklet_select_eps);
}
else
{
select_eps_sub(_ifxhcd);
}
}
static
void ifxhcd_hc_kickstart(ifxhcd_hcd_t *_ifxhcd)
{
int num_channels;
ifxusb_hc_regs_t *hc_regs;
int i;
ifxhcd_hc_t *ifxhc;
num_channels = _ifxhcd->core_if.params.host_channels;
for (i = 0; i < num_channels; i++)
{
ifxhc=&_ifxhcd->ifxhc[i];
if(ifxhc->phase==HC_STARTING)
{
if(ifxhc->sof_delay) ifxhc->sof_delay--;
if(!ifxhc->sof_delay)
{
hcint_data_t hcint;
// ifxhc->erron=0;
hc_regs = _ifxhcd->core_if.hc_regs[i];
hcint.d32 =0xFFFFFFFF;
ifxusb_wreg(&hc_regs->hcint, hcint.d32);
hcint.d32 =ifxusb_rreg(&hc_regs->hcintmsk);
hcint.b.nak =0;
hcint.b.ack =0;
hcint.b.nyet=0;
if(ifxhc->erron)
{
hcint.b.ack =1;
hcint.b.nak =1;
hcint.b.nyet =1;
}
#ifdef __NAKSTOP__
if(ifxhc->stop_on)
{
hcint.b.ack =1;
hcint.b.nak =1;
}
#endif
ifxusb_wreg(&hc_regs->hcintmsk, hcint.d32);
ifxusb_wreg(&hc_regs->hcchar, ifxhc->hcchar);
ifxhc->phase=HC_STARTED;
}
}
}
for (i = 0; i < num_channels; i++)
{
ifxhc=&_ifxhcd->ifxhc[i];
if(ifxhc->phase==HC_WAITING &&
(ifxhc->ep_type == IFXUSB_EP_TYPE_INTR || ifxhc->ep_type == IFXUSB_EP_TYPE_ISOC)
)
{
ifxhcd_hc_start(_ifxhcd, ifxhc);
}
}
for (i = 0; i < num_channels; i++)
{
ifxhc=&_ifxhcd->ifxhc[i];
if(ifxhc->phase==HC_WAITING)
{
ifxhcd_hc_start(_ifxhcd, ifxhc);
}
}
}
/*
* Handles the start-of-frame interrupt in host mode. Non-periodic
* transactions may be queued to the DWC_otg controller for the current
* (micro)frame. Periodic transactions may be queued to the controller for the
* next (micro)frame.
*/
static
int32_t handle_sof_intr (ifxhcd_hcd_t *_ifxhcd)
{
_ifxhcd->pkt_remaining=_ifxhcd->pkt_remaining_reload;
ifxhcd_hc_kickstart(_ifxhcd);
select_eps(_ifxhcd);
/* Clear interrupt */
{
gint_data_t gintsts;
gintsts.d32=0;
gintsts.b.sofintr = 1;
ifxusb_wreg(&_ifxhcd->core_if.core_global_regs->gintsts, gintsts.d32);
#ifdef __DYN_SOF_INTR__
if(_ifxhcd->dyn_sof_count)
_ifxhcd->dyn_sof_count--;
if(!_ifxhcd->dyn_sof_count)
ifxusb_mreg(&_ifxhcd->core_if.core_global_regs->gintmsk, gintsts.d32,0);
#endif
}
return 1;
}
/* There are multiple conditions that can cause a port interrupt. This function
* determines which interrupt conditions have occurred and handles them
* appropriately. */
static int32_t handle_port_intr (ifxhcd_hcd_t *_ifxhcd)
{
int retval = 0;
hprt0_data_t hprt0;
hprt0_data_t hprt0_modify;
hprt0.d32 =
hprt0_modify.d32 = ifxusb_rreg(_ifxhcd->core_if.hprt0);
/* Clear appropriate bits in HPRT0 to clear the interrupt bit in
* GINTSTS */
hprt0_modify.b.prtena = 0;
hprt0_modify.b.prtconndet = 0;
hprt0_modify.b.prtenchng = 0;
hprt0_modify.b.prtovrcurrchng = 0;
/* Port Connect Detected
* Set flag and clear if detected */
if (hprt0.b.prtconndet) {
IFX_DEBUGPL(DBG_HCD, "--Port Interrupt HPRT0=0x%08x "
"Port Connect Detected--\n", hprt0.d32);
_ifxhcd->flags.b.port_connect_status_change = 1;
_ifxhcd->flags.b.port_connect_status = 1;
hprt0_modify.b.prtconndet = 1;
/* The Hub driver asserts a reset when it sees port connect
* status change flag */
retval |= 1;
}
/* Port Enable Changed
* Clear if detected - Set internal flag if disabled */
if (hprt0.b.prtenchng) {
IFX_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x "
"Port Enable Changed--\n", hprt0.d32);
hprt0_modify.b.prtenchng = 1;
if (hprt0.b.prtena == 1)
{
/* Port has been enabled set the reset change flag */
_ifxhcd->flags.b.port_reset_change = 1;
if (hprt0.b.prtspd == IFXUSB_HPRT0_PRTSPD_HIGH_SPEED)
_ifxhcd->pkt_remaining_reload=_ifxhcd->pkt_remaining_reload_hs;
else if (hprt0.b.prtspd == IFXUSB_HPRT0_PRTSPD_LOW_SPEED)
_ifxhcd->pkt_remaining_reload=_ifxhcd->pkt_remaining_reload_ls;
else
_ifxhcd->pkt_remaining_reload=_ifxhcd->pkt_remaining_reload_fs;
}
else
_ifxhcd->flags.b.port_enable_change = 1;
retval |= 1;
}
/* Overcurrent Change Interrupt */
if (hprt0.b.prtovrcurrchng) {
IFX_DEBUGPL(DBG_HCD, " --Port Interrupt HPRT0=0x%08x "
"Port Overcurrent Changed--\n", hprt0.d32);
_ifxhcd->flags.b.port_over_current_change = 1;
hprt0_modify.b.prtovrcurrchng = 1;
retval |= 1;
}
/* Clear Port Interrupts */
ifxusb_wreg(_ifxhcd->core_if.hprt0, hprt0_modify.d32);
return retval;
}
/*
* This interrupt indicates that SUSPEND state has been detected on
* the USB.
* No Functioning in Host Mode
*/
static int32_t handle_usb_suspend_intr(ifxhcd_hcd_t *_ifxhcd)
{
gint_data_t gintsts;
IFX_DEBUGP("USB SUSPEND RECEIVED!\n");
/* Clear interrupt */
gintsts.d32 = 0;
gintsts.b.usbsuspend = 1;
ifxusb_wreg(&_ifxhcd->core_if.core_global_regs->gintsts, gintsts.d32);
return 1;
}
/*
* This interrupt indicates that the IFXUSB controller has detected a
* resume or remote wakeup sequence. If the IFXUSB controller is in
* low power mode, the handler must brings the controller out of low
* power mode. The controller automatically begins resume
* signaling. The handler schedules a time to stop resume signaling.
*/
static int32_t handle_wakeup_detected_intr(ifxhcd_hcd_t *_ifxhcd)
{
gint_data_t gintsts;
hprt0_data_t hprt0 = {.d32=0};
pcgcctl_data_t pcgcctl = {.d32=0};
ifxusb_core_if_t *core_if = &_ifxhcd->core_if;
IFX_DEBUGPL(DBG_ANY, "++Resume and Remote Wakeup Detected Interrupt++\n");
/*
* Clear the Resume after 70ms. (Need 20 ms minimum. Use 70 ms
* so that OPT tests pass with all PHYs).
*/
/* Restart the Phy Clock */
pcgcctl.b.stoppclk = 1;
ifxusb_mreg(core_if->pcgcctl, pcgcctl.d32, 0);
UDELAY(10);
/* Now wait for 70 ms. */
hprt0.d32 = ifxusb_read_hprt0( core_if );
IFX_DEBUGPL(DBG_ANY,"Resume: HPRT0=%0x\n", hprt0.d32);
MDELAY(70);
hprt0.b.prtres = 0; /* Resume */
ifxusb_wreg(core_if->hprt0, hprt0.d32);
IFX_DEBUGPL(DBG_ANY,"Clear Resume: HPRT0=%0x\n", ifxusb_rreg(core_if->hprt0));
/* Clear interrupt */
gintsts.d32 = 0;
gintsts.b.wkupintr = 1;
ifxusb_wreg(&core_if->core_global_regs->gintsts, gintsts.d32);
return 1;
}
/*
* This interrupt indicates that a device is initiating the Session
* Request Protocol to request the host to turn on bus power so a new
* session can begin. The handler responds by turning on bus power. If
* the DWC_otg controller is in low power mode, the handler brings the
* controller out of low power mode before turning on bus power.
*/
static int32_t handle_session_req_intr(ifxhcd_hcd_t *_ifxhcd)
{
/* Clear interrupt */
gint_data_t gintsts = { .d32 = 0 };
gintsts.b.sessreqintr = 1;
ifxusb_wreg(&_ifxhcd->core_if.core_global_regs->gintsts, gintsts.d32);
return 1;
}
/*
* This interrupt indicates that a device has been disconnected from
* the root port.
*/
static int32_t handle_disconnect_intr(ifxhcd_hcd_t *_ifxhcd)
{
gint_data_t gintsts;
ifxhcd_disconnect(_ifxhcd);
gintsts.d32 = 0;
gintsts.b.disconnect = 1;
ifxusb_wreg(&_ifxhcd->core_if.core_global_regs->gintsts, gintsts.d32);
return 1;
}
/*
* This function handles the Connector ID Status Change Interrupt. It
* reads the OTG Interrupt Register (GOTCTL) to determine whether this
* is a Device to Host Mode transition or a Host Mode to Device
* Transition.
* This only occurs when the cable is connected/removed from the PHY
* connector.
*/
static int32_t handle_conn_id_status_change_intr(ifxhcd_hcd_t *_ifxhcd)
{
gint_data_t gintsts;
IFX_WARN("ID Status Change Interrupt: currently in %s mode\n",
ifxusb_mode(&_ifxhcd->core_if) ? "Host" : "Device");
gintsts.d32 = 0;
gintsts.b.conidstschng = 1;
ifxusb_wreg(&_ifxhcd->core_if.core_global_regs->gintsts, gintsts.d32);
return 1;
}
static int32_t handle_otg_intr(ifxhcd_hcd_t *_ifxhcd)
{
ifxusb_core_global_regs_t *global_regs = _ifxhcd->core_if.core_global_regs;
gotgint_data_t gotgint;
gotgint.d32 = ifxusb_rreg( &global_regs->gotgint);
/* Clear GOTGINT */
ifxusb_wreg (&global_regs->gotgint, gotgint.d32);
return 1;
}
/** This function will log a debug message */
static int32_t handle_mode_mismatch_intr(ifxhcd_hcd_t *_ifxhcd)
{
gint_data_t gintsts;
IFX_WARN("Mode Mismatch Interrupt: currently in %s mode\n",
ifxusb_mode(&_ifxhcd->core_if) ? "Host" : "Device");
gintsts.d32 = 0;
gintsts.b.modemismatch = 1;
ifxusb_wreg(&_ifxhcd->core_if.core_global_regs->gintsts, gintsts.d32);
return 1;
}
/** This function handles interrupts for the HCD. */
int32_t ifxhcd_handle_intr (ifxhcd_hcd_t *_ifxhcd)
{
int retval = 0;
ifxusb_core_if_t *core_if = &_ifxhcd->core_if;
gint_data_t gintsts,gintsts2;
/* Check if HOST Mode */
if (ifxusb_is_device_mode(core_if))
{
IFX_ERROR("%s() CRITICAL! IN DEVICE MODE\n", __func__);
return 0;
}
gintsts.d32 = ifxusb_read_core_intr(core_if);
gintsts2.d32 = 0;
if (!gintsts.d32)
return 0;
//Common INT
if (gintsts.b.modemismatch)
{
retval |= handle_mode_mismatch_intr(_ifxhcd);
gintsts.b.modemismatch=0;
gintsts2.b.modemismatch=1;
}
if (gintsts.b.otgintr)
{
retval |= handle_otg_intr(_ifxhcd);
gintsts.b.otgintr=0;
gintsts2.b.otgintr=1;
}
if (gintsts.b.conidstschng)
{
retval |= handle_conn_id_status_change_intr(_ifxhcd);
gintsts.b.conidstschng=0;
gintsts2.b.conidstschng=1;
}
if (gintsts.b.disconnect)
{
retval |= handle_disconnect_intr(_ifxhcd);
gintsts.b.disconnect=0;
gintsts2.b.disconnect=1;
}
if (gintsts.b.sessreqintr)
{
retval |= handle_session_req_intr(_ifxhcd);
gintsts.b.sessreqintr=0;
gintsts2.b.sessreqintr=1;
}
if (gintsts.b.wkupintr)
{
retval |= handle_wakeup_detected_intr(_ifxhcd);
gintsts.b.wkupintr=0;
gintsts2.b.wkupintr=1;
}
if (gintsts.b.usbsuspend)
{
retval |= handle_usb_suspend_intr(_ifxhcd);
gintsts.b.usbsuspend=0;
gintsts2.b.usbsuspend=1;
}
//Host Int
if (gintsts.b.sofintr)
{
retval |= handle_sof_intr (_ifxhcd);
gintsts.b.sofintr=0;
gintsts2.b.sofintr=1;
}
if (gintsts.b.portintr)
{
retval |= handle_port_intr (_ifxhcd);
gintsts.b.portintr=0;
gintsts2.b.portintr=1;
}
if (gintsts.b.hcintr)
{
int i;
haint_data_t haint;
haint.d32 = ifxusb_read_host_all_channels_intr(core_if);
for (i=0; i<MAX_EPS_CHANNELS && i< core_if->params.host_channels; i++)
if (haint.b2.chint & (1 << i))
retval |= handle_hc_n_intr (_ifxhcd, i);
gintsts.b.hcintr=0;
gintsts2.b.hcintr=1;
}
return retval;
}