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FORK: QEMU emulator
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vt82c686-uhci-pci.c (1640B)

      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      = TYPE_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           = TYPE_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)