aboutsummaryrefslogtreecommitdiff
path: root/hw/usb
diff options
context:
space:
mode:
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/hcd-xhci.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 5084e527ad..9b90067d0c 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1218,26 +1218,11 @@ static XHCIEPContext *xhci_alloc_epctx(XHCIState *xhci,
return epctx;
}
-static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
- unsigned int epid, dma_addr_t pctx,
- uint32_t *ctx)
+static void xhci_init_epctx(XHCIEPContext *epctx,
+ dma_addr_t pctx, uint32_t *ctx)
{
- XHCISlot *slot;
- XHCIEPContext *epctx;
dma_addr_t dequeue;
- trace_usb_xhci_ep_enable(slotid, epid);
- assert(slotid >= 1 && slotid <= xhci->numslots);
- assert(epid >= 1 && epid <= 31);
-
- slot = &xhci->slots[slotid-1];
- if (slot->eps[epid-1]) {
- xhci_disable_ep(xhci, slotid, epid);
- }
-
- epctx = xhci_alloc_epctx(xhci, slotid, epid);
- slot->eps[epid-1] = epctx;
-
dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]);
epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK;
@@ -1252,11 +1237,33 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
if (epctx->max_pstreams) {
xhci_alloc_streams(epctx, dequeue);
} else {
- xhci_ring_init(xhci, &epctx->ring, dequeue);
+ xhci_ring_init(epctx->xhci, &epctx->ring, dequeue);
epctx->ring.ccs = ctx[2] & 1;
}
epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
+}
+
+static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
+ unsigned int epid, dma_addr_t pctx,
+ uint32_t *ctx)
+{
+ XHCISlot *slot;
+ XHCIEPContext *epctx;
+
+ trace_usb_xhci_ep_enable(slotid, epid);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
+ assert(epid >= 1 && epid <= 31);
+
+ slot = &xhci->slots[slotid-1];
+ if (slot->eps[epid-1]) {
+ xhci_disable_ep(xhci, slotid, epid);
+ }
+
+ epctx = xhci_alloc_epctx(xhci, slotid, epid);
+ slot->eps[epid-1] = epctx;
+ xhci_init_epctx(epctx, pctx, ctx);
+
epctx->mfindex_last = 0;
epctx->state = EP_RUNNING;