Changeset 94e9c29 in mainline for uspace/drv/bus/usb/xhci/hc.c

Timestamp:

2018-01-13T00:54:24Z (6 years ago)

Author:

Salmelu <salmelu@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

230ef1c

Parents:

0e7380f

Message:

xhci: Isoch mfindex epoch counting

Isochronous mfindex is now saved together with wrap epochs.
This allows us to work with endpoints with larger intervals,
that need to schedule over epochs.

File:

• uspace/drv/bus/usb/xhci/hc.c (modified) (2 diffs)

uspace/drv/bus/usb/xhci/hc.c

@@ -220 +220 @@
         hc->ac64 = XHCI_REG_RD(hc->cap_regs, XHCI_CAP_AC64);
         hc->max_slots = XHCI_REG_RD(hc->cap_regs, XHCI_CAP_MAX_SLOTS);
+
+        struct timeval tv;
+        getuptime(&tv);
+        hc->wrap_time = tv.tv_sec * 1000000 + tv.tv_usec;
         hc->wrap_count = 0;
+
         unsigned ist = XHCI_REG_RD(hc->cap_regs, XHCI_CAP_IST);
         hc->ist = (ist & 0x10 >> 1) * (ist & 0xf);
@@ -508 +513 @@
 static int xhci_handle_mfindex_wrap_event(xhci_hc_t *hc, xhci_trb_t *trb)
 {
+        struct timeval tv;
+        getuptime(&tv);
+        hc->wrap_time = ((uint64_t) tv.tv_sec) * 1000000 + ((uint64_t) tv.tv_usec);
         ++hc->wrap_count;
         return EOK;