Revision 4c4abe7c hw/usb/hcd-xhci.c
| b/hw/usb/hcd-xhci.c | ||
|---|---|---|
| 612 | 612 |
return &xhci->ports[index]; |
| 613 | 613 |
} |
| 614 | 614 |
|
| 615 |
static void xhci_irq_update(XHCIState *xhci)
|
|
| 615 |
static void xhci_intx_update(XHCIState *xhci)
|
|
| 616 | 616 |
{
|
| 617 | 617 |
int level = 0; |
| 618 | 618 |
|
| 619 |
if (xhci->iman & IMAN_IP && xhci->iman & IMAN_IE && |
|
| 619 |
if (msi_enabled(&xhci->pci_dev)) {
|
|
| 620 |
return; |
|
| 621 |
} |
|
| 622 |
|
|
| 623 |
if (xhci->iman & IMAN_IP && |
|
| 624 |
xhci->iman & IMAN_IE && |
|
| 620 | 625 |
xhci->usbcmd & USBCMD_INTE) {
|
| 621 | 626 |
level = 1; |
| 622 | 627 |
} |
| 623 | 628 |
|
| 629 |
trace_usb_xhci_irq_intx(level); |
|
| 630 |
qemu_set_irq(xhci->irq, level); |
|
| 631 |
} |
|
| 632 |
|
|
| 633 |
static void xhci_intr_raise(XHCIState *xhci) |
|
| 634 |
{
|
|
| 635 |
if (!(xhci->iman & IMAN_IP) || |
|
| 636 |
!(xhci->iman & IMAN_IE)) {
|
|
| 637 |
return; |
|
| 638 |
} |
|
| 639 |
|
|
| 640 |
if (!(xhci->usbcmd & USBCMD_INTE)) {
|
|
| 641 |
return; |
|
| 642 |
} |
|
| 643 |
|
|
| 624 | 644 |
if (msi_enabled(&xhci->pci_dev)) {
|
| 625 |
if (level) {
|
|
| 626 |
trace_usb_xhci_irq_msi(0); |
|
| 627 |
msi_notify(&xhci->pci_dev, 0); |
|
| 628 |
} |
|
| 629 |
} else {
|
|
| 630 |
trace_usb_xhci_irq_intx(level); |
|
| 631 |
qemu_set_irq(xhci->irq, level); |
|
| 645 |
trace_usb_xhci_irq_msi(0); |
|
| 646 |
msi_notify(&xhci->pci_dev, 0); |
|
| 647 |
return; |
|
| 632 | 648 |
} |
| 649 |
|
|
| 650 |
trace_usb_xhci_irq_intx(1); |
|
| 651 |
qemu_set_irq(xhci->irq, 1); |
|
| 633 | 652 |
} |
| 634 | 653 |
|
| 635 | 654 |
static inline int xhci_running(XHCIState *xhci) |
| ... | ... | |
| 732 | 751 |
xhci->erdp_low |= ERDP_EHB; |
| 733 | 752 |
xhci->iman |= IMAN_IP; |
| 734 | 753 |
xhci->usbsts |= USBSTS_EINT; |
| 735 |
xhci_irq_update(xhci);
|
|
| 754 |
xhci_intr_raise(xhci);
|
|
| 736 | 755 |
} |
| 737 | 756 |
|
| 738 | 757 |
if (xhci->er_full && xhci->ev_buffer_put == xhci->ev_buffer_get) {
|
| ... | ... | |
| 796 | 815 |
xhci->iman |= IMAN_IP; |
| 797 | 816 |
xhci->usbsts |= USBSTS_EINT; |
| 798 | 817 |
|
| 799 |
xhci_irq_update(xhci);
|
|
| 818 |
xhci_intr_raise(xhci);
|
|
| 800 | 819 |
} |
| 801 | 820 |
|
| 802 | 821 |
static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, |
| ... | ... | |
| 2479 | 2498 |
if (val & USBCMD_HCRST) {
|
| 2480 | 2499 |
xhci_reset(&xhci->pci_dev.qdev); |
| 2481 | 2500 |
} |
| 2482 |
xhci_irq_update(xhci);
|
|
| 2501 |
xhci_intx_update(xhci);
|
|
| 2483 | 2502 |
break; |
| 2484 | 2503 |
|
| 2485 | 2504 |
case 0x04: /* USBSTS */ |
| 2486 | 2505 |
/* these bits are write-1-to-clear */ |
| 2487 | 2506 |
xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); |
| 2488 |
xhci_irq_update(xhci);
|
|
| 2507 |
xhci_intx_update(xhci);
|
|
| 2489 | 2508 |
break; |
| 2490 | 2509 |
|
| 2491 | 2510 |
case 0x14: /* DNCTRL */ |
| ... | ... | |
| 2570 | 2589 |
} |
| 2571 | 2590 |
xhci->iman &= ~IMAN_IE; |
| 2572 | 2591 |
xhci->iman |= val & IMAN_IE; |
| 2573 |
xhci_irq_update(xhci);
|
|
| 2592 |
xhci_intx_update(xhci);
|
|
| 2574 | 2593 |
break; |
| 2575 | 2594 |
case 0x24: /* IMOD */ |
| 2576 | 2595 |
xhci->imod = val; |
Also available in: Unified diff