hw/usb/vt82c686-uhci-pci.c

   1 #include "qemu/osdep.h"
   2 #include "hw/irq.h"
   3 #include "hw/isa/vt82c686.h"
   4 #include "hcd-uhci.h"
   5
   6 static void uhci_isa_set_irq(void *opaque, int irq_num, int level)
   7 {
   8     UHCIState *s = opaque;
   9     uint8_t irq = pci_get_byte(s->dev.config + PCI_INTERRUPT_LINE);
  10     if (irq > 0 && irq < 15) {
  11         via_isa_set_irq(pci_get_function_0(&s->dev), irq, level);
  12     }
  13 }
  14
  15 static void usb_uhci_vt82c686b_realize(PCIDevice *dev, Error **errp)
  16 {
  17     UHCIState *s = UHCI(dev);
  18     uint8_t *pci_conf = s->dev.config;
  19
  20     /* USB misc control 1/2 */
  21     pci_set_long(pci_conf + 0x40, 0x00001000);
  22     /* PM capability */
  23     pci_set_long(pci_conf + 0x80, 0x00020001);
  24     /* USB legacy support  */
  25     pci_set_long(pci_conf + 0xc0, 0x00002000);
  26
  27     usb_uhci_common_realize(dev, errp);
  28     object_unref(s->irq);
  29     s->irq = qemu_allocate_irq(uhci_isa_set_irq, s, 0);
  30 }
  31
  32 static UHCIInfo uhci_info[] = {
  33     {
  34         .name      = "vt82c686b-usb-uhci",
  35         .vendor_id = PCI_VENDOR_ID_VIA,
  36         .device_id = PCI_DEVICE_ID_VIA_UHCI,
  37         .revision  = 0x01,
  38         .irq_pin   = 3,
  39         .realize   = usb_uhci_vt82c686b_realize,
  40         .unplug    = true,
  41         /* Reason: only works as USB function of VT82xx superio chips */
  42         .notuser   = true,
  43     }
  44 };
  45
  46 static const TypeInfo vt82c686b_usb_uhci_type_info = {
  47     .parent         = TYPE_UHCI,
  48     .name           = "vt82c686b-usb-uhci",
  49     .class_init     = uhci_data_class_init,
  50     .class_data     = uhci_info,
  51 };
  52
  53 static void vt82c686b_usb_uhci_register_types(void)
  54 {
  55     type_register_static(&vt82c686b_usb_uhci_type_info);
  56 }
  57
  58 type_init(vt82c686b_usb_uhci_register_types)