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openwrt-xburst/target/linux/lantiq/files/drivers/usb/ifxhcd/ifxhcd_intr.c

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[lantiq] cleanup patches git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32953 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-08-03 11:53:02 +03:00
/*****************************************************************************
** FILE NAME : ifxhcd_intr.c
** PROJECT : IFX USB sub-system V3
** MODULES : IFX USB sub-system Host and Device driver
** SRC VERSION : 1.0
** DATE : 1/Jan/2009
** AUTHOR : Chen, Howard
** DESCRIPTION : This file contains the implementation of the HCD Interrupt handlers.
*****************************************************************************/
/*!
\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"
/* AVM/WK 20100520*/
#ifdef __EN_ISOC__
#error AVM/WK: CONFIG_USB_HOST_IFX_WITH_ISO currently not supported!
#endif
/* 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;
case HC_XFER_NAK:
printk("HC_XFER_NAK");break;
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\n", 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);
switch (urb->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:KNOWN\n");break;
}
}
#endif
}
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)
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)
IFX_ERROR("%s urb =null\n",__func__);
else {
/* == AVM/WK 20100710 Fix - Use toggle of usbcore ==*/
unsigned toggle = (read_data_toggle(hc_regs) == IFXUSB_HC_PID_DATA0)? 0: 1;
usb_settoggle (urb->dev, usb_pipeendpoint (urb->pipe), usb_pipeout(urb->pipe), toggle);
}
}
//epqh->data_toggle = read_data_toggle(hc_regs);
}
switch (_halt_status)
{
case HC_XFER_NO_HALT_STATUS:
IFX_ERROR("%s: No halt_status, channel %d\n", __func__, _ifxhc->hc_num);
break;
case HC_XFER_COMPLETE:
IFX_ERROR("%s: Inavalid halt_status HC_XFER_COMPLETE, channel %d\n", __func__, _ifxhc->hc_num);
break;
case HC_XFER_URB_COMPLETE:
case HC_XFER_URB_DEQUEUE:
case HC_XFER_AHB_ERR:
case HC_XFER_XACT_ERR:
case HC_XFER_FRAME_OVERRUN:
if(urbd && urb) {
/* == 20110803 AVM/WK FIX set status, if still in progress == */
if (urb->status == -EINPROGRESS) {
switch (_halt_status) {
case HC_XFER_URB_COMPLETE:
urb->status = 0;
break;
case HC_XFER_URB_DEQUEUE:
urb->status = -ECONNRESET;
break;
case HC_XFER_AHB_ERR:
case HC_XFER_XACT_ERR:
case HC_XFER_FRAME_OVERRUN:
urb->status = -EPROTO;
break;
default:
break;
}
}
/*== AVM/BC 20101111 Deferred Complete ==*/
defer_ifxhcd_complete_urb(_ifxhcd, urbd, urb->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);
}
if(epqh)
ifxhcd_epqh_idle(_ifxhcd, epqh);
else
{
IFX_WARN("WARNING %s():%d epqh=%p\n",__func__,__LINE__,epqh);
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
}
list_add_tail(&_ifxhc->hc_list_entry, &_ifxhcd->free_hc_list);
ifxhcd_hc_cleanup(&_ifxhcd->core_if, _ifxhc);
break;
case HC_XFER_STALL:
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
if(urbd)
/*== AVM/BC 20101111 Deferred Complete ==*/
defer_ifxhcd_complete_urb(_ifxhcd, urbd, -EPIPE);
else
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
if(epqh)
{
// epqh->data_toggle = 0;
ifxhcd_epqh_idle(_ifxhcd, epqh);
}
else
IFX_WARN("WARNING %s():%d epqh=%p\n",__func__,__LINE__,epqh);
list_add_tail(&_ifxhc->hc_list_entry, &_ifxhcd->free_hc_list);
ifxhcd_hc_cleanup(&_ifxhcd->core_if, _ifxhc);
break;
case HC_XFER_NAK:
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
if(urbd)
{
//ifxhcd_complete_urb(_ifxhcd, urbd, -ETIMEDOUT);
urb->status = 0;
/*== AVM/BC 20101111 Deferred Complete ==*/
defer_ifxhcd_complete_urb(_ifxhcd, urbd, urb->status);
}
else
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
if(epqh)
ifxhcd_epqh_idle(_ifxhcd, epqh);
else
IFX_WARN("WARNING %s():%d epqh=%p\n",__func__,__LINE__,epqh);
list_add_tail(&_ifxhc->hc_list_entry, &_ifxhcd->free_hc_list);
ifxhcd_hc_cleanup(&_ifxhcd->core_if, _ifxhc);
break;
case HC_XFER_BABBLE_ERR:
case HC_XFER_DATA_TOGGLE_ERR:
release_channel_dump(_ifxhc,urb,epqh,urbd,_halt_status);
if(urbd)
/*== AVM/BC 20101111 Deferred Complete ==*/
defer_ifxhcd_complete_urb(_ifxhcd, urbd, -EOVERFLOW);
else
IFX_WARN("WARNING %s():%d urbd=%p urb=%p\n",__func__,__LINE__,urbd,urb);
if(epqh)
ifxhcd_epqh_idle(_ifxhcd, epqh);
else
IFX_WARN("WARNING %s():%d epqh=%p\n",__func__,__LINE__,epqh);
list_add_tail(&_ifxhc->hc_list_entry, &_ifxhcd->free_hc_list);
ifxhcd_hc_cleanup(&_ifxhcd->core_if, _ifxhc);
break;
}
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;
if (_ifxhc->is_in)
{
hctsiz_data_t hctsiz;
hctsiz.d32 = ifxusb_rreg(&_hc_regs->hctsiz);
_urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
if ((hctsiz.b.xfersize != 0) || (_urb->actual_length >= _urb->transfer_buffer_length))
{
xfer_done = 1;
_urb->status = 0;
/* 20110805 AVM/WK Workaround: catch overflow error here, hardware does not */
if (_urb->actual_length > _urb->transfer_buffer_length) {
_urb->status = -EOVERFLOW;
}
#if 0
if (_urb->actual_length < _urb->transfer_buffer_length && _urb->transfer_flags & URB_SHORT_NOT_OK)
_urb->status = -EREMOTEIO;
#endif
}
}
else
{
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)
{
/*== AVM/BC WK 20110421 ZERO PACKET Workaround ==*/
if ((_ifxhc->short_rw == 1) && ( _ifxhc->xfer_len > 0) && ( _ifxhc->xfer_len % _ifxhc->mps == 0 ))
{
_ifxhc->short_rw = 0;
//Transfer not finished. Another iteration for ZLP.
}
else
{
xfer_done = 1;
}
_urb->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);
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;
}
/*== AVM/BC 20101111 Function called with Lock ==*/
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(!urb || !epqh)
{
IFX_ERROR("ERROR %s():%d urb=%p epqh=%p\n",__func__,__LINE__,urb,epqh);
return;
}
_ifxhc->do_ping=0;
if (_ifxhc->split)
_ifxhc->split = 1;
switch (epqh->ep_type)
{
case IFXUSB_EP_TYPE_CTRL:
switch (_ifxhc->control_phase)
{
case IFXHCD_CONTROL_SETUP:
IFX_DEBUGPL(DBG_HCDV, " Control setup transaction done\n");
if (_urbd->xfer_len > 0)
{
_ifxhc->control_phase = IFXHCD_CONTROL_DATA;
_ifxhc->is_in = _urbd->is_in;
_ifxhc->xfer_len = _urbd->xfer_len;
#if defined(__UNALIGNED_BUFFER_ADJ__)
if(epqh->using_aligned_buf)
_ifxhc->xfer_buff = epqh->aligned_buf;
else
#endif
_ifxhc->xfer_buff = _urbd->xfer_buff;
}
else
{
_ifxhc->control_phase = IFXHCD_CONTROL_STATUS;
_ifxhc->is_in = 1;
_ifxhc->xfer_len = 0;
_ifxhc->xfer_buff = _ifxhcd->status_buf;
}
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;
/*== AVM/BC 20101111 Lock not needed ==*/
process_channels_sub(_ifxhcd);
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;
_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;
}
else // continue
{
_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);
}
/*== AVM/BC 20101111 Lock not needed ==*/
process_channels_sub(_ifxhcd);
break;
case IFXHCD_CONTROL_STATUS:
if (urb->status == -EINPROGRESS)
urb->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);
/*== AVM/BC 20101111 Lock not needed ==*/
process_channels_sub(_ifxhcd);
}
break;
case IFXUSB_EP_TYPE_INTR:
urb_xfer_done = update_urb_state_xfer_comp(_ifxhc, hc_regs, urb, _urbd);
release_channel(_ifxhcd,_ifxhc,HC_XFER_URB_COMPLETE);
break;
case IFXUSB_EP_TYPE_ISOC:
// if (_urbd->isoc_split_pos == IFXUSB_HCSPLIT_XACTPOS_ALL)
// halt_status = update_isoc_urb_state(_ifxhcd, _ifxhc, hc_regs, _urbd, HC_XFER_COMPLETE);
// complete_periodic_xfer(_ifxhcd, _ifxhc, hc_regs, _urbd, halt_status);
urb_xfer_done = update_urb_state_xfer_comp(_ifxhc, hc_regs, urb, _urbd);
release_channel(_ifxhcd,_ifxhc,HC_XFER_URB_COMPLETE);
break;
}
}
void showint(uint32_t val_hcint
,uint32_t val_hcintmsk
,uint32_t val_hctsiz)
{
#ifdef __DEBUG__
hcint_data_t hcint = {.d32 = val_hcint};
hcint_data_t hcintmsk = {.d32 = val_hcintmsk};
printk(KERN_INFO " WITH FLAG: Sz:%08x I:%08X/M:%08X %s%s%s%s%s%s%s%s%s%s\n"
,val_hctsiz,hcint.d32 ,hcintmsk.d32
,(hcint.b.datatglerr || hcintmsk.b.datatglerr)?
(
(hcint.b.datatglerr && hcintmsk.b.datatglerr)?"datatglerr[*/*] ":
(
(hcint.b.datatglerr)?"datatglerr[*/] ":"datatglerr[/*] "
)
)
:""
,(hcint.b.frmovrun || hcintmsk.b.frmovrun)?
(
(hcint.b.frmovrun && hcintmsk.b.frmovrun)?"frmovrun[*/*] ":
(
(hcint.b.frmovrun)?"frmovrun[*/] ":"frmovrun[/*] "
)
)
:""
,(hcint.b.bblerr || hcintmsk.b.bblerr)?
(
(hcint.b.bblerr && hcintmsk.b.bblerr)?"bblerr[*/*] ":
(
(hcint.b.bblerr)?"bblerr[*/] ":"bblerr[/*] "
)
)
:""
,(hcint.b.xacterr || hcintmsk.b.xacterr)?
(
(hcint.b.xacterr && hcintmsk.b.xacterr)?"xacterr[*/*] ":
(
(hcint.b.xacterr)?"xacterr[*/] ":"xacterr[/*] "
)
)
:""
,(hcint.b.nyet || hcintmsk.b.nyet)?
(
(hcint.b.nyet && hcintmsk.b.nyet)?"nyet[*/*] ":
(
(hcint.b.nyet)?"nyet[*/] ":"nyet[/*] "
)
)
:""
,(hcint.b.nak || hcintmsk.b.nak)?
(
(hcint.b.nak && hcintmsk.b.nak)?"nak[*/*] ":
(
(hcint.b.nak)?"nak[*/] ":"nak[/*] "
)
)
:""
,(hcint.b.ack || hcintmsk.b.ack)?
(
(hcint.b.ack && hcintmsk.b.ack)?"ack[*/*] ":
(
(hcint.b.ack)?"ack[*/] ":"ack[/*] "
)
)
:""
,(hcint.b.stall || hcintmsk.b.stall)?
(
(hcint.b.stall && hcintmsk.b.stall)?"stall[*/*] ":
(
(hcint.b.stall)?"stall[*/] ":"stall[/*] "
)
)
:""
,(hcint.b.ahberr || hcintmsk.b.ahberr)?
(
(hcint.b.ahberr && hcintmsk.b.ahberr)?"ahberr[*/*] ":
(
(hcint.b.ahberr)?"ahberr[*/] ":"ahberr[/*] "
)
)
:""
,(hcint.b.xfercomp || hcintmsk.b.xfercomp)?
(
(hcint.b.xfercomp && hcintmsk.b.xfercomp)?"xfercomp[*/*] ":
(
(hcint.b.xfercomp)?"xfercomp[*/] ":"xfercomp[/*] "
)
)
:""
);
#endif
}
extern void ifxhcd_hc_dumb_rx(ifxusb_core_if_t *_core_if, ifxhcd_hc_t *_ifxhc,uint8_t *dump_buf);
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrlbulk_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);
_ifxhc->do_ping = 0;
if(_ifxhc->halt_status == HC_XFER_NAK)
{
if(_ifxhc->nak_retry_r)
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
_ifxhc->nak_retry--;
if(_ifxhc->nak_retry)
{
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
{
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
}
}
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);
_ifxhc->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
if (hcint.b.xfercomp)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
// ZLP shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
// Stall FIFO compensation.
#if 0
int sz1,sz2;
sz2=_ifxhc->start_pkt_count - hctsiz.b.pktcnt;
sz2*=_ifxhc->mps;
sz1=_ifxhc->xfer_len - hctsiz.b.xfersize;
sz2-=sz1;
if(sz2)
ifxhcd_hc_dumb_rx(&_ifxhcd->core_if, _ifxhc,_ifxhc->epqh->dump_buf);
#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;
_ifxhc->wait_for_sof =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;
_ifxhc->wait_for_sof =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
_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);
/* 20110803 AVM/WK FIX: Reset error count on any handshake */
if (hcint.b.nak || hcint.b.nyet || hcint.b.ack) {
_urbd->error_count = 1;
} else {
_urbd->error_count++;
}
if (_urbd->error_count >= 3)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
}
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->urb->actual_length += (_ifxhc->xfer_len - hctsiz.b.xfersize);
#if 1
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->wait_for_sof = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
#else
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
#endif
return 1;
}
else if(hcint.b.frmovrun )
{
IFX_WARN("%s() %d Warning CTRLBULK IN SPLIT0 FRMOVRUN [should be Period only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.nyet )
{
IFX_WARN("%s() %d Warning CTRLBULK IN SPLIT0 NYET [should be Out only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrlbulk_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;
#ifdef __DEBUG__
static int first=0;
#endif
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);
#ifdef __DEBUG__
if(!first&& _ifxhc->ep_type == IFXUSB_EP_TYPE_BULK
&&(hcint.b.stall || hcint.b.datatglerr || hcint.b.frmovrun || hcint.b.bblerr || hcint.b.xacterr) && !hcint.b.ack)
{
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
first=1;
printk(KERN_INFO " [%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X] \n"
,*(_ifxhc->xfer_buff+ 0),*(_ifxhc->xfer_buff+ 1),*(_ifxhc->xfer_buff+ 2),*(_ifxhc->xfer_buff+ 3)
,*(_ifxhc->xfer_buff+ 4),*(_ifxhc->xfer_buff+ 5),*(_ifxhc->xfer_buff+ 6),*(_ifxhc->xfer_buff+ 7)
,*(_ifxhc->xfer_buff+ 8),*(_ifxhc->xfer_buff+ 9),*(_ifxhc->xfer_buff+10),*(_ifxhc->xfer_buff+11)
,*(_ifxhc->xfer_buff+12),*(_ifxhc->xfer_buff+13),*(_ifxhc->xfer_buff+14),*(_ifxhc->xfer_buff+15));
printk(KERN_INFO " [_urbd->urb->actual_length:%08X _ifxhc->start_pkt_count:%08X hctsiz.b.pktcnt:%08X ,_urbd->xfer_len:%08x] \n"
,_urbd->urb->actual_length
,_ifxhc->start_pkt_count
,hctsiz.b.pktcnt
,_urbd->xfer_len);
}
#endif
if(_ifxhc->halt_status == HC_XFER_NAK)
{
if(_ifxhc->nak_retry_r)
{
_ifxhc->nak_retry--;
if(_ifxhc->nak_retry)
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
{
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
}
}
else
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
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;
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 && !out_nak_enh)
_ifxhc->do_ping = 1;
else
_ifxhc->do_ping = 0;
_ifxhc->xfer_len = 0;
_ifxhc->xfer_count = 0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
{
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if (hcint.b.stall)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
if(_ifxhc->xfer_len!=0)
_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.xacterr)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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);
if (hcint.b.nak || hcint.b.nyet || hcint.b.ack)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =1;
enable_hc_int(_hc_regs,ack);
enable_hc_int(_hc_regs,nak);
enable_hc_int(_hc_regs,nyet);
if(!out_nak_enh)
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
{
_urbd->error_count ++ ;
if (_urbd->error_count == 3)
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =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->wait_for_sof =1;
if(!out_nak_enh)
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
}
}
return 1;
}
else if(hcint.b.bblerr )
{
IFX_WARN("%s() %d Warning CTRLBULK OUT SPLIT0 BABBLE [should be IN only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_ifxhc->do_ping = 0;
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.nak || hcint.b.nyet)
{
if(!out_nak_enh)
{
// ZLP shortcut
#if 1
if(hctsiz.b.pktcnt==0)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
if(!out_nak_enh)
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
if(_ifxhc->xfer_len!=0)
{
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
}
else if(hcint.b.datatglerr )
{
IFX_WARN("%s() %d Warning CTRLBULK OUT SPLIT0 DATATGLERR [should be IN only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
IFX_WARN("%s() %d Warning CTRLBULK OUT SPLIT0 FRMOVRUN [should be PERIODIC only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
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);
_ifxhc->do_ping =0;
if(_ifxhc->halt_status == HC_XFER_NAK)
{
if(_ifxhc->nak_retry_r)
{
_ifxhc->nak_retry--;
if(_ifxhc->nak_retry)
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
{
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
}
}
else
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
if(hcint.b.xfercomp )
{
_urbd->error_count =0;
//restart INTR immediately
#if 1
if(hctsiz.b.pktcnt>0)
{
// TODO Re-initialize Channel (in next b_interval - 1 uF/F)
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
#endif
{
_ifxhc->wait_for_sof =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if (hcint.b.stall)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
// Don't care shortcut
#if 0
if(hctsiz.b.pktcnt==0)
complete_channel(_ifxhcd, _ifxhc, _urbd);
else
#endif
{
// Stall FIFO compensation.
#if 0
int sz1,sz2;
sz2=_ifxhc->start_pkt_count - hctsiz.b.pktcnt;
sz2*=_ifxhc->mps;
sz1=_ifxhc->xfer_len - hctsiz.b.xfersize;
sz2-=sz1;
if(sz2)
ifxhcd_hc_dumb_rx(&_ifxhcd->core_if, _ifxhc,_ifxhc->epqh->dump_buf);
#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;
_ifxhc->wait_for_sof =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.nak || hcint.b.datatglerr || hcint.b.frmovrun)
{
_urbd->error_count =0;
//restart INTR immediately
#if 1
if(hctsiz.b.pktcnt>0)
{
// TODO Re-initialize Channel (in next b_interval - 1 uF/F)
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
#endif
{
_ifxhc->wait_for_sof =0;
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;
_ifxhc->wait_for_sof =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
/* 20110803 AVM/WK FIX: Reset error count on any handshake */
if (hcint.b.nak || hcint.b.nyet || hcint.b.ack) {
_urbd->error_count = 1;
} else {
_urbd->error_count++;
}
if(_urbd->error_count>=3)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
}
return 1;
}
else if(hcint.b.nyet )
{
IFX_WARN("%s() %d Warning INTR IN SPLIT0 NYET [should be OUT only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
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(_ifxhc->halt_status == HC_XFER_NAK)
{
if(_ifxhc->nak_retry_r)
{
_ifxhc->nak_retry--;
if(_ifxhc->nak_retry)
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
{
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
}
}
else
{
if(_ifxhc->xfer_len!=0)
_urbd->urb->actual_length += ((_ifxhc->start_pkt_count - hctsiz.b.pktcnt ) * _ifxhc->mps);
_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->wait_for_sof = 1;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
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;
//restart INTR immediately
#if 0
if(hctsiz.b.pktcnt>0)
{
// TODO Re-initialize Channel (in next b_interval - 1 uF/F)
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
if(hcint.b.nyet && !out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
#endif
{
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
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;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =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
#if 0
if(hctsiz.b.pktcnt>0)
{
// TODO Re-initialize Channel (in next b_interval - 1 uF/F)
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
#endif
{
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
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;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
#endif
{
/* 20110803 AVM/WK FIX: Reset error count on any handshake */
if (hcint.b.nak || hcint.b.nyet || hcint.b.ack) {
_urbd->error_count = 1;
} else {
_urbd->error_count++;
}
if(_urbd->error_count>=3)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
//_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
//if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
_ifxhc->wait_for_sof=1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
}
return 1;
}
else if(hcint.b.bblerr )
{
IFX_WARN("%s() %d Warning INTR OUT SPLIT0 BABBLEERR [should be IN only]\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.datatglerr )
{
IFX_WARN("%s() %d Warning INTR OUT SPLIT0 DATATGLERR\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =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)
{
#if defined(__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)
{
_urbd->error_count=0;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_ifxhc->wait_for_sof = 0;
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
{
int sz1,sz2;
sz2=_ifxhc->start_pkt_count - hctsiz.b.pktcnt;
sz2*=_ifxhc->mps;
sz1=_ifxhc->xfer_len - hctsiz.b.xfersize;
sz2-=sz1;
if(sz2)
ifxhcd_hc_dumb_rx(&_ifxhcd->core_if, _ifxhc,_ifxhc->epqh->dump_buf);
_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;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof = 1;
enable_hc_int(_hc_regs,ack);
enable_hc_int(_hc_regs,nak);
enable_hc_int(_hc_regs,nyet);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
}
#endif
}
else if(hcint.b.datatglerr )
{
warning
}
else if(hcint.b.stall )
{
warning
}
#else
#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)
{
#if defined(__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)
{
_urbd->error_count=0;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,nyet);
_ifxhc->wait_for_sof = 0;
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);
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
#endif
}
else if(hcint.b.datatglerr )
{
warning
}
else if(hcint.b.bblerr )
{
#ifndef VR9Skip
if(hctsiz.b.pktcnt==0)
{
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
else
{
int sz1,sz2;
sz2=_ifxhc->start_pkt_count - hctsiz.b.pktcnt;
sz2*=_ifxhc->mps;
sz1=_ifxhc->xfer_len - hctsiz.b.xfersize;
sz2-=sz1;
if(sz2)
ifxhcd_hc_dumb_rx(&_ifxhcd->core_if, _ifxhc,_ifxhc->epqh->dump_buf);
_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;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
}
else
{
_ifxhc->wait_for_sof = 1;
enable_hc_int(_hc_regs,ack);
enable_hc_int(_hc_regs,nak);
enable_hc_int(_hc_regs,nyet);
ifxhcd_hc_start(&_ifxhcd->core_if, _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;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
else if(hcint.b.stall )
{
warning
}
#else
#endif
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrlbulk_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);
_ifxhc->do_ping =0;
if (hcint.b.ack)
{
_urbd->error_count=0;
_ifxhc->split=2;
_ifxhc->wait_for_sof = 8;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if (hcint.b.nak)
{
_ifxhc->wait_for_sof = 1;
_urbd->error_count = 0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if (hcint.b.xacterr)
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof =1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.datatglerr )
{
IFX_WARN("%s() %d Warning CTRLBULK IN SPLIT1 HC_XFER_DATA_TOGGLE_ERR\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
IFX_WARN("%s() %d Warning CTRLBULK IN SPLIT1 HC_XFER_FRAME_OVERRUN\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.nyet )
{
IFX_WARN("%s() %d Warning CTRLBULK IN SPLIT1 NYET\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
}
else if(hcint.b.xfercomp )
{
IFX_WARN("%s() %d Warning CTRLBULK IN SPLIT1 COMPLETE\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrlbulk_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;
#ifdef __DEBUG__
static int first=0;
#endif
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 __DEBUG__
if(!first&& _ifxhc->ep_type == IFXUSB_EP_TYPE_BULK
&&(hcint.b.stall || hcint.b.datatglerr || hcint.b.frmovrun || hcint.b.bblerr || hcint.b.xacterr) && !hcint.b.ack)
{
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
first=1;
printk(KERN_INFO " [%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X] \n"
,*(_ifxhc->xfer_buff+ 0),*(_ifxhc->xfer_buff+ 1),*(_ifxhc->xfer_buff+ 2),*(_ifxhc->xfer_buff+ 3)
,*(_ifxhc->xfer_buff+ 4),*(_ifxhc->xfer_buff+ 5),*(_ifxhc->xfer_buff+ 6),*(_ifxhc->xfer_buff+ 7)
,*(_ifxhc->xfer_buff+ 8),*(_ifxhc->xfer_buff+ 9),*(_ifxhc->xfer_buff+10),*(_ifxhc->xfer_buff+11)
,*(_ifxhc->xfer_buff+12),*(_ifxhc->xfer_buff+13),*(_ifxhc->xfer_buff+14),*(_ifxhc->xfer_buff+15));
printk(KERN_INFO " [_urbd->urb->actual_length:%08X _ifxhc->start_pkt_count:%08X hctsiz.b.pktcnt:%08X ,_urbd->xfer_len:%08x] \n"
,_urbd->urb->actual_length
,_ifxhc->start_pkt_count
,hctsiz.b.pktcnt
,_urbd->xfer_len);
}
#endif
if (hcint.b.ack )
{
_urbd->error_count=0;
if (_ifxhc->ep_type == IFXUSB_EP_TYPE_BULK || _ifxhc->control_phase != IFXHCD_CONTROL_SETUP)
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->wait_for_sof =8;
_ifxhc->data_pid_start =read_data_toggle(_hc_regs);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
IFX_WARN("%s() %d Warning CTRLBULK OUT SPLIT1 NYET\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count=0;
if (_ifxhc->ep_type == IFXUSB_EP_TYPE_BULK || _ifxhc->control_phase != IFXHCD_CONTROL_SETUP)
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->wait_for_sof =1;
_ifxhc->data_pid_start =read_data_toggle(_hc_regs);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->wait_for_sof =1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_urbd->error_count =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.xacterr )
{
_urbd->error_count++;
if(_urbd->error_count>=3)
{
_urbd->error_count=0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof =1;
_ifxhc->do_ping =1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.frmovrun )
{
IFX_WARN("%s() %d Warning CTRLBULK OUT SPLIT1 HC_XFER_FRAME_OVERRUN\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
_ifxhc->do_ping =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.xfercomp )
{
printk(KERN_INFO "%s() %d Warning CTRLBULK 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);
_ifxhc->do_ping =0;
if (hcint.b.ack )
{
/*== AVM/BC 20100701 - Workaround FullSpeed Interrupts with HiSpeed Hub ==*/
_ifxhc->nyet_count=0;
_urbd->error_count=0;
_ifxhc->split=2;
_ifxhc->wait_for_sof = 0;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
_urbd->error_count=0;
ifxhcd_hc_start(&_ifxhcd->core_if, _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;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.frmovrun )
{
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.datatglerr )
{
IFX_WARN( "%s() %d Warning INTR IN SPLIT1 DATATGLERR\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.xfercomp )
{
IFX_WARN("%s() %d Warning INTR IN SPLIT1 COMPLETE\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
}
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 )
{
/*== AVM/BC 20100701 - Workaround FullSpeed Interrupts with HiSpeed Hub ==*/
_ifxhc->nyet_count=0;
_urbd->error_count=0;
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->wait_for_sof = 0;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
IFX_WARN("%s() %d Warning INTR OUT SPLIT1 NYET\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count=0;
_ifxhc->ssplit_out_xfer_count = _ifxhc->xfer_len;
_ifxhc->split=2;
_ifxhc->wait_for_sof = 0;
_ifxhc->data_pid_start = read_data_toggle(_hc_regs);
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nak )
{
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
_urbd->error_count =0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count =0;
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
ifxhcd_hc_start(&_ifxhcd->core_if, _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;
_ifxhc->wait_for_sof =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->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
return 1;
}
else if(hcint.b.datatglerr )
{
IFX_WARN("%s() %d Warning INTR IN SPLIT1 DATATGLERR\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_DATA_TOGGLE_ERR);
return 1;
}
else if(hcint.b.bblerr )
{
IFX_WARN("%s() %d Warning INTR IN SPLIT1 BABBLEERR\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_BABBLE_ERR);
return 1;
}
else if(hcint.b.stall )
{
IFX_WARN("%s() %d Warning INTR IN SPLIT1 STALL\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
_urbd->error_count =0;
_ifxhc->wait_for_sof =0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_STALL);
return 1;
}
else if(hcint.b.xfercomp )
{
IFX_WARN("%s() %d Warning INTR IN SPLIT1 COMPLETE\n",__func__,__LINE__);
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
}
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 <EFBFBD>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_ctrlbulk_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);
_ifxhc->do_ping = 0;
if (hcint.b.xfercomp)
{
_urbd->error_count =0;
_ifxhc->wait_for_sof = 0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if (hcint.b.nak)
{
_urbd->error_count=0;
_ifxhc->split = 1;
_ifxhc->wait_for_sof = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.stall || hcint.b.bblerr )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 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;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->wait_for_sof = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _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->wait_for_sof = 1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
return 0;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static int32_t chhltd_ctrlbulk_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 1
static int first=0;
#endif
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 1
if(!first&& _ifxhc->ep_type == IFXUSB_EP_TYPE_BULK
&&(hcint.b.stall || hcint.b.datatglerr || hcint.b.frmovrun || hcint.b.bblerr || hcint.b.xacterr) && !hcint.b.ack)
{
showint( hcint.d32,hcintmsk.d32,hctsiz.d32);
first=1;
printk(KERN_INFO " [%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X] \n"
,*(_ifxhc->xfer_buff+ 0),*(_ifxhc->xfer_buff+ 1),*(_ifxhc->xfer_buff+ 2),*(_ifxhc->xfer_buff+ 3)
,*(_ifxhc->xfer_buff+ 4),*(_ifxhc->xfer_buff+ 5),*(_ifxhc->xfer_buff+ 6),*(_ifxhc->xfer_buff+ 7)
,*(_ifxhc->xfer_buff+ 8),*(_ifxhc->xfer_buff+ 9),*(_ifxhc->xfer_buff+10),*(_ifxhc->xfer_buff+11)
,*(_ifxhc->xfer_buff+12),*(_ifxhc->xfer_buff+13),*(_ifxhc->xfer_buff+14),*(_ifxhc->xfer_buff+15));
printk(KERN_INFO " [_urbd->urb->actual_length:%08X _ifxhc->start_pkt_count:%08X hctsiz.b.pktcnt:%08X ,_urbd->xfer_len:%08x] \n"
,_urbd->urb->actual_length
,_ifxhc->start_pkt_count
,hctsiz.b.pktcnt
,_urbd->xfer_len);
}
#endif
if(hcint.b.xfercomp )
{
_urbd->error_count=0;
_ifxhc->split=1;
_ifxhc->do_ping= 0;
#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->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
}
else
#endif
{
_ifxhc->wait_for_sof = 0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
}
return 1;
}
else if(hcint.b.nak )
{
_urbd->error_count=0;
_ifxhc->split = 1;
_ifxhc->wait_for_sof = 1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _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->wait_for_sof = 1;
_ifxhc->do_ping = 0;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.stall )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 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;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->wait_for_sof = 1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _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->wait_for_sof = 1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_FRAME_OVERRUN);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 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);
_ifxhc->do_ping = 0;
if (hcint.b.xfercomp )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
_ifxhc->split=1;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if(hcint.b.nak )
{
_urbd->error_count=0;
_ifxhc->split = 1;
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->wait_for_sof = 0;
/*== AVM/BC 20100701 - Workaround FullSpeed Interrupts with HiSpeed Hub ==*/
_ifxhc->nyet_count++;
if(_ifxhc->nyet_count > 2) {
_ifxhc->split = 1;
_ifxhc->nyet_count = 0;
_ifxhc->wait_for_sof = 5;
}
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.frmovrun || hcint.b.bblerr || hcint.b.stall )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 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;
_ifxhc->wait_for_sof = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _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->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _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->wait_for_sof = 0;
_ifxhc->split=1;
_ifxhc->do_ping = 0;
complete_channel(_ifxhcd, _ifxhc, _urbd);
return 1;
}
else if(hcint.b.nak )
{
_urbd->error_count=0;
_ifxhc->split = 1;
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.nyet)
{
_urbd->error_count=0;
_ifxhc->halt_status = HC_XFER_NO_HALT_STATUS;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 0;
/*== AVM/BC 20100701 - Workaround FullSpeed Interrupts with HiSpeed Hub ==*/
_ifxhc->nyet_count++;
if(_ifxhc->nyet_count > 2) {
_ifxhc->split = 1;
_ifxhc->nyet_count = 0;
_ifxhc->wait_for_sof = 5;
}
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.stall || hcint.b.frmovrun)
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 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;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 0;
release_channel(_ifxhcd, _ifxhc, HC_XFER_XACT_ERR);
}
else
{
_ifxhc->split=1;
_ifxhc->wait_for_sof = _ifxhc->epqh->interval-1;
if(!_ifxhc->wait_for_sof) _ifxhc->wait_for_sof=1;
if(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _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(!out_nak_enh )
_ifxhc->do_ping =1;
else
_ifxhc->do_ping =0;
_ifxhc->xfer_len = _urbd->xfer_len - _urbd->urb->actual_length;
_ifxhc->xfer_count = _urbd->urb->actual_length;
ifxhcd_hc_start(&_ifxhcd->core_if, _ifxhc);
return 1;
}
else if(hcint.b.bblerr )
{
_urbd->error_count=0;
_ifxhc->wait_for_sof = 0;
_ifxhc->do_ping = 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->wait_for_sof = 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->wait_for_sof = 1;
ifxhcd_hc_start(&_ifxhcd->core_if, _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;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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->halting = 0;
_ifxhc->xfer_started = 0;
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.
*/
release_channel(_ifxhcd, _ifxhc, _ifxhc->halt_status);
return 1;
}
if (_ifxhc->ep_type == IFXUSB_EP_TYPE_CTRL || _ifxhc->ep_type == IFXUSB_EP_TYPE_BULK)
{
if (_ifxhc->split==0)
{
if(_ifxhc->is_in)
return (chhltd_ctrlbulk_rx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_ctrlbulk_tx_nonsplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==1)
{
if(_ifxhc->is_in)
return (chhltd_ctrlbulk_rx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_ctrlbulk_tx_ssplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
}
else if(_ifxhc->split==2)
{
if(_ifxhc->is_in)
return (chhltd_ctrlbulk_rx_csplit(_ifxhcd,_ifxhc,_hc_regs,_urbd));
else
return (chhltd_ctrlbulk_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;
if(_ifxhc->nak_countdown_r)
{
_ifxhc->nak_retry=_ifxhc->nak_retry_r;
_ifxhc->nak_countdown=_ifxhc->nak_countdown_r;
}
else
disable_hc_int(_hc_regs,nak);
disable_hc_int(_hc_regs,ack);
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;
if(_ifxhc->nak_countdown_r)
{
_ifxhc->nak_countdown--;
if(!_ifxhc->nak_countdown)
{
_ifxhc->nak_countdown=_ifxhc->nak_countdown_r;
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
ifxhcd_hc_halt(&_ifxhcd->core_if, _ifxhc, HC_XFER_NAK);
}
else
enable_hc_int(_hc_regs,ack);
}
else
{
disable_hc_int(_hc_regs,ack);
disable_hc_int(_hc_regs,nak);
}
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_nyet_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: "
"NYET--\n", _ifxhc->hc_num);
hc_other_intr_dump(_ifxhcd,_ifxhc,_hc_regs,_urbd);
_urbd->error_count=0;
disable_hc_int(_hc_regs,nyet);
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;
unsigned long flags;
int retval = 0;
IFX_DEBUGPL(DBG_HCDV, "--Host Channel Interrupt--, Channel %d\n", _num);
/*== AVM/BC 20101111 Lock needed ==*/
SPIN_LOCK_IRQSAVE(&_ifxhcd->lock, flags);
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 = list_entry(ifxhc->epqh->urbd_list.next, ifxhcd_urbd_t, urbd_list_entry);
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.ahberr) {
clear_hc_int(hc_regs, ahberr);
retval |= handle_hc_ahberr_intr(_ifxhcd, ifxhc, hc_regs, urbd);
}
if (hcint.b.chhltd) {
/* == 20110901 AVM/WK Fix: Flag must not be cleared after restart of channel ==*/
clear_hc_int(hc_regs, chhltd);
retval |= handle_hc_chhltd_intr(_ifxhcd, ifxhc, hc_regs, urbd);
}
if (hcint.b.xfercomp)
retval |= handle_hc_xfercomp_intr(_ifxhcd, ifxhc, hc_regs, urbd);
/* == 20110901 AVM/WK Fix: Never clear possibly new intvals ==*/
//ifxusb_wreg(&hc_regs->hcint,hcintval);
SPIN_UNLOCK_IRQRESTORE(&_ifxhcd->lock, flags);
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;
}
/*
* 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)
{
#ifdef __DYN_SOF_INTR__
uint8_t with_count_down=0;
#endif
uint8_t active_on=0;
uint8_t ready_on=0;
struct list_head *epqh_entry;
ifxhcd_epqh_t *epqh;
hfnum_data_t hfnum;
uint32_t fndiff;
unsigned long flags;
#ifdef __USE_TIMER_4_SOF__
uint32_t wait_for_sof = 0x10000;
#endif
SPIN_LOCK_IRQSAVE(&_ifxhcd->lock, flags);
{
int num_channels;
ifxusb_hc_regs_t *hc_regs;
int i;
num_channels = _ifxhcd->core_if.params.host_channels;
// AVM/WK moved block here due to use of SOF timer
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;
for (i = 0; i < num_channels; i++)
{
if(_ifxhcd->ifxhc[i].wait_for_sof && _ifxhcd->ifxhc[i].xfer_started)
{
#ifdef __USE_TIMER_4_SOF__
if (_ifxhcd->ifxhc[i].wait_for_sof > fndiff) {
_ifxhcd->ifxhc[i].wait_for_sof -= fndiff;
} else {
_ifxhcd->ifxhc[i].wait_for_sof = 0;
}
#else
_ifxhcd->ifxhc[i].wait_for_sof--;
#endif
if(_ifxhcd->ifxhc[i].wait_for_sof==0)
{
hcint_data_t hcint= { .d32=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;
/* == 20110901 AVM/WK Fix: We don't need NOT YET IRQ ==*/
hcint.b.nyet=0;
_ifxhcd->ifxhc[i].nak_countdown=_ifxhcd->ifxhc[i].nak_countdown_r;
if(_ifxhcd->ifxhc[i].nak_countdown_r)
hcint.b.nak =1;
ifxusb_wreg(&hc_regs->hcintmsk, hcint.d32);
/* AVM WK / BC 20100827
* FIX: Packet was ignored because of wrong Oddframe bit
*/
if (_ifxhcd->ifxhc[i].ep_type == IFXUSB_EP_TYPE_INTR || _ifxhcd->ifxhc[i].ep_type == IFXUSB_EP_TYPE_ISOC)
{
hcchar_data_t hcchar;
hcchar.d32 = _ifxhcd->ifxhc[i].hcchar;
hfnum.d32 = ifxusb_rreg(&_ifxhcd->core_if.host_global_regs->hfnum);
/* 1 if _next_ frame is odd, 0 if it's even */
hcchar.b.oddfrm = (hfnum.b.frnum & 0x1) ? 0 : 1;
_ifxhcd->ifxhc[i].hcchar = hcchar.d32;
}
ifxusb_wreg(&hc_regs->hcchar, _ifxhcd->ifxhc[i].hcchar);
}
}
else
_ifxhcd->ifxhc[i].wait_for_sof=0;
#ifdef __USE_TIMER_4_SOF__
if (_ifxhcd->ifxhc[i].wait_for_sof && (wait_for_sof > _ifxhcd->ifxhc[i].wait_for_sof)) {
wait_for_sof = _ifxhcd->ifxhc[i].wait_for_sof;
}
#endif
}
}
// ISOC Active
#ifdef __EN_ISOC__
#error ISOC not supported: missing SOF code
epqh_entry = _ifxhcd->epqh_isoc_active.next;
while (epqh_entry != &_ifxhcd->epqh_isoc_active)
{
epqh = list_entry(epqh_entry, ifxhcd_epqh_t, epqh_list_entry);
epqh_entry = epqh_entry->next;
#ifdef __DYN_SOF_INTR__
with_count_down=1;
#endif
active_on+=update_interval_counter(epqh,fndiff);
}
// ISOC Ready
epqh_entry = _ifxhcd->epqh_isoc_ready.next;
while (epqh_entry != &_ifxhcd->epqh_isoc_ready)
{
epqh = list_entry(epqh_entry, ifxhcd_epqh_t, epqh_list_entry);
epqh_entry = epqh_entry->next;
#ifdef __DYN_SOF_INTR__
with_count_down=1;
#endif
ready_on+=update_interval_counter(epqh,fndiff);
}
#endif
// INTR Active
epqh_entry = _ifxhcd->epqh_intr_active.next;
while (epqh_entry != &_ifxhcd->epqh_intr_active)
{
epqh = list_entry(epqh_entry, ifxhcd_epqh_t, epqh_list_entry);
epqh_entry = epqh_entry->next;
#ifdef __DYN_SOF_INTR__
with_count_down=1;
#endif
#ifdef __USE_TIMER_4_SOF__
if (update_interval_counter(epqh,fndiff)) {
active_on ++;
wait_for_sof = 1;
} else {
if (epqh->period_counter && (wait_for_sof > epqh->period_counter)) {
wait_for_sof = epqh->period_counter;
}
}
#else
active_on+=update_interval_counter(epqh,fndiff);
#endif
}
// INTR Ready
epqh_entry = _ifxhcd->epqh_intr_ready.next;
while (epqh_entry != &_ifxhcd->epqh_intr_ready)
{
epqh = list_entry(epqh_entry, ifxhcd_epqh_t, epqh_list_entry);
epqh_entry = epqh_entry->next;
#ifdef __DYN_SOF_INTR__
with_count_down=1;
#endif
#ifdef __USE_TIMER_4_SOF__
if (update_interval_counter(epqh,fndiff)) {
ready_on ++;
wait_for_sof = 1;
} else {
if (epqh->period_counter && (wait_for_sof > epqh->period_counter)) {
wait_for_sof = epqh->period_counter;
}
}
#else
ready_on+=update_interval_counter(epqh,fndiff);
#endif
}
// Stdby
epqh_entry = _ifxhcd->epqh_stdby.next;
while (epqh_entry != &_ifxhcd->epqh_stdby)
{
epqh = list_entry(epqh_entry, ifxhcd_epqh_t, epqh_list_entry);
epqh_entry = epqh_entry->next;
if(epqh->period_counter > 0 ) {
#ifdef __USE_TIMER_4_SOF__
if (epqh->period_counter > fndiff) {
epqh->period_counter -= fndiff;
} else {
epqh->period_counter = 0;
}
#else
epqh->period_counter --;
#endif
#ifdef __DYN_SOF_INTR__
with_count_down=1;
#endif
}
if(epqh->period_counter == 0) {
ifxhcd_epqh_idle_periodic(epqh);
}
#ifdef __USE_TIMER_4_SOF__
else {
if (wait_for_sof > epqh->period_counter) {
wait_for_sof = epqh->period_counter;
}
}
#endif
}
SPIN_UNLOCK_IRQRESTORE(&_ifxhcd->lock, flags);
if(ready_on)
select_eps(_ifxhcd);
else if(active_on)
process_channels(_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(!with_count_down)
ifxusb_mreg(&_ifxhcd->core_if.core_global_regs->gintmsk, gintsts.d32,0);
#endif
#ifdef __USE_TIMER_4_SOF__
wait_for_sof &= 0xFFFF; // reduce to 16 Bits.
if(wait_for_sof == 1) {
// enable SOF
gint_data_t gintsts;
gintsts.d32=0;
gintsts.b.sofintr = 1;
ifxusb_mreg(&_ifxhcd->core_if.core_global_regs->gintmsk, 0,gintsts.d32);
} else {
// disable SOF
ifxusb_mreg(&_ifxhcd->core_if.core_global_regs->gintmsk, gintsts.d32,0);
if (wait_for_sof > 1) {
// use timer, not SOF IRQ
hprt0_data_t hprt0;
ktime_t ktime;
hprt0.d32 = ifxusb_read_hprt0 (&_ifxhcd->core_if);
if (hprt0.b.prtspd == IFXUSB_HPRT0_PRTSPD_HIGH_SPEED) {
ktime = ktime_set(0, wait_for_sof * 125 * 1000); /*--- wakeup in n*125usec ---*/
} else {
ktime = ktime_set(0, wait_for_sof * (1000*1000)); /*--- wakeup in n*1000usec ---*/
}
hrtimer_start(&_ifxhcd->hr_timer, ktime, HRTIMER_MODE_REL);
}
}
#endif
}
_ifxhcd->lastframe=hfnum.b.frnum;
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;
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;
/* AVM/BC 20101111 Unnecesary variable removed*/
//gint_data_t gintsts,gintsts2;
gint_data_t gintsts;
/* 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);
if (!gintsts.d32)
return 0;
//Common INT
if (gintsts.b.modemismatch)
{
retval |= handle_mode_mismatch_intr(_ifxhcd);
gintsts.b.modemismatch=0;
}
if (gintsts.b.otgintr)
{
retval |= handle_otg_intr(_ifxhcd);
gintsts.b.otgintr=0;
}
if (gintsts.b.conidstschng)
{
retval |= handle_conn_id_status_change_intr(_ifxhcd);
gintsts.b.conidstschng=0;
}
if (gintsts.b.disconnect)
{
retval |= handle_disconnect_intr(_ifxhcd);
gintsts.b.disconnect=0;
}
if (gintsts.b.sessreqintr)
{
retval |= handle_session_req_intr(_ifxhcd);
gintsts.b.sessreqintr=0;
}
if (gintsts.b.wkupintr)
{
retval |= handle_wakeup_detected_intr(_ifxhcd);
gintsts.b.wkupintr=0;
}
if (gintsts.b.usbsuspend)
{
retval |= handle_usb_suspend_intr(_ifxhcd);
gintsts.b.usbsuspend=0;
}
//Host Int
if (gintsts.b.sofintr)
{
retval |= handle_sof_intr (_ifxhcd);
gintsts.b.sofintr=0;
}
if (gintsts.b.portintr)
{
retval |= handle_port_intr (_ifxhcd);
gintsts.b.portintr=0;
}
if (gintsts.b.hcintr)
{
int i;
haint_data_t haint;
haint.d32 = ifxusb_read_host_all_channels_intr(core_if);
for (i=0; i< core_if->params.host_channels; i++)
if (haint.b2.chint & (1 << i))
retval |= handle_hc_n_intr (_ifxhcd, i);
gintsts.b.hcintr=0;
}
return retval;
}
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