diff options
Diffstat (limited to 'target/linux/lantiq/files/drivers/usb/ifxhcd/ifxhcd_intr.c')
| -rw-r--r-- | target/linux/lantiq/files/drivers/usb/ifxhcd/ifxhcd_intr.c | 3742 |
1 files changed, 3742 insertions, 0 deletions
diff --git a/target/linux/lantiq/files/drivers/usb/ifxhcd/ifxhcd_intr.c b/target/linux/lantiq/files/drivers/usb/ifxhcd/ifxhcd_intr.c new file mode 100644 index 000000000..76fe602c7 --- /dev/null +++ b/target/linux/lantiq/files/drivers/usb/ifxhcd/ifxhcd_intr.c @@ -0,0 +1,3742 @@ +/***************************************************************************** + ** 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 ¡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 ¡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 ¡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; +} |