diff options
Diffstat (limited to 'freebsd/sys/dev/usb/controller/dwc_otg.c')
| -rw-r--r-- | freebsd/sys/dev/usb/controller/dwc_otg.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/freebsd/sys/dev/usb/controller/dwc_otg.c b/freebsd/sys/dev/usb/controller/dwc_otg.c index abc23ac6..1332b485 100644 --- a/freebsd/sys/dev/usb/controller/dwc_otg.c +++ b/freebsd/sys/dev/usb/controller/dwc_otg.c @@ -1460,6 +1460,8 @@ dwc_otg_host_data_rx(struct dwc_otg_softc *sc, struct dwc_otg_td *td) /* check if we are complete */ if (td->tt_xactpos == HCSPLT_XACTPOS_BEGIN) { goto complete; + } else if (td->hcsplt != 0) { + goto receive_pkt; } else { /* get more packets */ goto busy; @@ -1518,8 +1520,10 @@ receive_pkt: if (td->hcsplt != 0) { delta = td->tt_complete_slot - sc->sc_last_frame_num - 1; if (td->tt_scheduled == 0 || delta < DWC_OTG_TT_SLOT_MAX) { - td->state = DWC_CHAN_ST_WAIT_C_PKT; - goto busy; + if (td->ep_type != UE_ISOCHRONOUS) { + td->state = DWC_CHAN_ST_WAIT_C_PKT; + goto busy; + } } delta = sc->sc_last_frame_num - td->tt_start_slot; if (delta > DWC_OTG_TT_SLOT_MAX) { @@ -1565,12 +1569,23 @@ receive_pkt: hcchar = td->hcchar; hcchar |= HCCHAR_EPDIR_IN; - /* receive complete split ASAP */ - if ((sc->sc_last_frame_num & 1) != 0 && - td->ep_type == UE_ISOCHRONOUS) - hcchar |= HCCHAR_ODDFRM; - else + if (td->ep_type == UE_ISOCHRONOUS) { + if (td->hcsplt != 0) { + /* continously buffer */ + if (sc->sc_last_frame_num & 1) + hcchar &= ~HCCHAR_ODDFRM; + else + hcchar |= HCCHAR_ODDFRM; + } else { + /* multi buffer, if any */ + if (sc->sc_last_frame_num & 1) + hcchar |= HCCHAR_ODDFRM; + else + hcchar &= ~HCCHAR_ODDFRM; + } + } else { hcchar &= ~HCCHAR_ODDFRM; + } /* must enable channel before data can be received */ DWC_OTG_WRITE_4(sc, DOTG_HCCHAR(channel), hcchar); |