#include "xhci.h"
#include "xhci-trace.h"
+#include "xhci-mtk.h"
#define DRIVER_AUTHOR "Sarah Sharp"
#define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver"
"// Set the interrupt modulation register");
temp = readl(&xhci->ir_set->irq_control);
temp &= ~ER_IRQ_INTERVAL_MASK;
- temp |= (u32) 160;
+ /*
+ * the increment interval is 8 times as much as that defined
+ * in xHCI spec on MTK's controller
+ */
+ temp |= (u32) ((xhci->quirks & XHCI_MTK_HOST) ? 20 : 160);
writel(temp, &xhci->ir_set->irq_control);
/* Set the HCD state before we enable the irqs */
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"HW died, freeing TD.");
urb_priv = urb->hcpriv;
- for (i = urb_priv->td_cnt; i < urb_priv->length; i++) {
+ for (i = urb_priv->td_cnt;
+ i < urb_priv->length && xhci->devs[urb->dev->slot_id];
+ i++) {
td = urb_priv->td[i];
if (!list_empty(&td->td_list))
list_del_init(&td->td_list);
xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep);
+ if (xhci->quirks & XHCI_MTK_HOST)
+ xhci_mtk_drop_ep_quirk(hcd, udev, ep);
+
xhci_dbg(xhci, "drop ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n",
(unsigned int) ep->desc.bEndpointAddress,
udev->slot_id,
return -ENOMEM;
}
+ if (xhci->quirks & XHCI_MTK_HOST) {
+ ret = xhci_mtk_add_ep_quirk(hcd, udev, ep);
+ if (ret < 0) {
+ xhci_free_or_cache_endpoint_ring(xhci,
+ virt_dev, ep_index);
+ return ret;
+ }
+ }
+
ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs);
new_add_flags = le32_to_cpu(ctrl_ctx->add_flags);
static const struct hc_driver xhci_hc_driver = {
.description = "xhci-hcd",
.product_desc = "xHCI Host Controller",
- .hcd_priv_size = sizeof(struct xhci_hcd *),
+ .hcd_priv_size = sizeof(struct xhci_hcd),
/*
* generic hardware linkage
BUILD_BUG_ON(sizeof(struct xhci_intr_reg) != 8*32/8);
/* xhci_run_regs has eight fields and embeds 128 xhci_intr_regs */
BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8);
+
+ if (usb_disabled())
+ return -ENODEV;
+
return 0;
}