diff options
author | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
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committer | Daniel Baumann <mail@daniel-baumann.ch> | 2025-06-06 10:05:23 +0000 |
commit | 755cc582a2473d06f3a2131d506d0311cc70e9f9 (patch) | |
tree | 3efb1ddb8d57bbb4539ac0d229b384871c57820f /hw/usb/vt82c686-uhci-pci.c | |
parent | Initial commit. (diff) | |
download | qemu-upstream.tar.xz qemu-upstream.zip |
Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'hw/usb/vt82c686-uhci-pci.c')
-rw-r--r-- | hw/usb/vt82c686-uhci-pci.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/hw/usb/vt82c686-uhci-pci.c b/hw/usb/vt82c686-uhci-pci.c new file mode 100644 index 00000000..46a901f5 --- /dev/null +++ b/hw/usb/vt82c686-uhci-pci.c @@ -0,0 +1,58 @@ +#include "qemu/osdep.h" +#include "hw/irq.h" +#include "hw/isa/vt82c686.h" +#include "hcd-uhci.h" + +static void uhci_isa_set_irq(void *opaque, int irq_num, int level) +{ + UHCIState *s = opaque; + uint8_t irq = pci_get_byte(s->dev.config + PCI_INTERRUPT_LINE); + if (irq > 0 && irq < 15) { + via_isa_set_irq(pci_get_function_0(&s->dev), irq, level); + } +} + +static void usb_uhci_vt82c686b_realize(PCIDevice *dev, Error **errp) +{ + UHCIState *s = UHCI(dev); + uint8_t *pci_conf = s->dev.config; + + /* USB misc control 1/2 */ + pci_set_long(pci_conf + 0x40, 0x00001000); + /* PM capability */ + pci_set_long(pci_conf + 0x80, 0x00020001); + /* USB legacy support */ + pci_set_long(pci_conf + 0xc0, 0x00002000); + + usb_uhci_common_realize(dev, errp); + object_unref(s->irq); + s->irq = qemu_allocate_irq(uhci_isa_set_irq, s, 0); +} + +static UHCIInfo uhci_info[] = { + { + .name = TYPE_VT82C686B_USB_UHCI, + .vendor_id = PCI_VENDOR_ID_VIA, + .device_id = PCI_DEVICE_ID_VIA_UHCI, + .revision = 0x01, + .irq_pin = 3, + .realize = usb_uhci_vt82c686b_realize, + .unplug = true, + /* Reason: only works as USB function of VT82xx superio chips */ + .notuser = true, + } +}; + +static const TypeInfo vt82c686b_usb_uhci_type_info = { + .parent = TYPE_UHCI, + .name = TYPE_VT82C686B_USB_UHCI, + .class_init = uhci_data_class_init, + .class_data = uhci_info, +}; + +static void vt82c686b_usb_uhci_register_types(void) +{ + type_register_static(&vt82c686b_usb_uhci_type_info); +} + +type_init(vt82c686b_usb_uhci_register_types) |