diff options
Diffstat (limited to 'hw/usb/hcd-ehci-pci.c')
| -rw-r--r-- | hw/usb/hcd-ehci-pci.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c new file mode 100644 index 0000000000..d5c7d462d0 --- /dev/null +++ b/hw/usb/hcd-ehci-pci.c @@ -0,0 +1,200 @@ +/* + * QEMU USB EHCI Emulation + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or(at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "hw/usb/hcd-ehci.h" +#include "hw/pci.h" + +typedef struct EHCIPCIState { + PCIDevice pcidev; + EHCIState ehci; +} EHCIPCIState; + +typedef struct EHCIPCIInfo { + const char *name; + uint16_t vendor_id; + uint16_t device_id; + uint8_t revision; +} EHCIPCIInfo; + +static int usb_ehci_pci_initfn(PCIDevice *dev) +{ + EHCIPCIState *i = DO_UPCAST(EHCIPCIState, pcidev, dev); + EHCIState *s = &i->ehci; + uint8_t *pci_conf = dev->config; + + pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20); + + /* capabilities pointer */ + pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00); + /* pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); */ + + pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */ + pci_set_byte(&pci_conf[PCI_MIN_GNT], 0); + pci_set_byte(&pci_conf[PCI_MAX_LAT], 0); + + /* pci_conf[0x50] = 0x01; *//* power management caps */ + + pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); /* release # (2.1.4) */ + pci_set_byte(&pci_conf[0x61], 0x20); /* frame length adjustment (2.1.5) */ + pci_set_word(&pci_conf[0x62], 0x00); /* port wake up capability (2.1.6) */ + + pci_conf[0x64] = 0x00; + pci_conf[0x65] = 0x00; + pci_conf[0x66] = 0x00; + pci_conf[0x67] = 0x00; + pci_conf[0x68] = 0x01; + pci_conf[0x69] = 0x00; + pci_conf[0x6a] = 0x00; + pci_conf[0x6b] = 0x00; /* USBLEGSUP */ + pci_conf[0x6c] = 0x00; + pci_conf[0x6d] = 0x00; + pci_conf[0x6e] = 0x00; + pci_conf[0x6f] = 0xc0; /* USBLEFCTLSTS */ + + s->caps[0x09] = 0x68; /* EECP */ + + s->irq = dev->irq[3]; + s->dma = pci_dma_context(dev); + + s->capsbase = 0x00; + s->opregbase = 0x20; + + usb_ehci_initfn(s, DEVICE(dev)); + pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem); + + return 0; +} + +static Property ehci_pci_properties[] = { + DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128), + DEFINE_PROP_END_OF_LIST(), +}; + +static const VMStateDescription vmstate_ehci_pci = { + .name = "ehci", + .version_id = 2, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState), + VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState), + } +}; + +static void ehci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + EHCIPCIInfo *i = data; + + k->init = usb_ehci_pci_initfn; + k->vendor_id = i->vendor_id; + k->device_id = i->device_id; + k->revision = i->revision; + k->class_id = PCI_CLASS_SERIAL_USB; + dc->vmsd = &vmstate_ehci; + dc->props = ehci_pci_properties; +} + +static struct EHCIPCIInfo ehci_pci_info[] = { + { + .name = "usb-ehci", + .vendor_id = PCI_VENDOR_ID_INTEL, + .device_id = PCI_DEVICE_ID_INTEL_82801D, /* ich4 */ + .revision = 0x10, + },{ + .name = "ich9-usb-ehci1", /* 00:1d.7 */ + .vendor_id = PCI_VENDOR_ID_INTEL, + .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1, + .revision = 0x03, + },{ + .name = "ich9-usb-ehci2", /* 00:1a.7 */ + .vendor_id = PCI_VENDOR_ID_INTEL, + .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2, + .revision = 0x03, + } +}; + +static void ehci_pci_register_types(void) +{ + TypeInfo ehci_type_info = { + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(EHCIPCIState), + .class_init = ehci_class_init, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) { + ehci_type_info.name = ehci_pci_info[i].name; + ehci_type_info.class_data = ehci_pci_info + i; + type_register(&ehci_type_info); + } +} + +type_init(ehci_pci_register_types) + +struct ehci_companions { + const char *name; + int func; + int port; +}; + +static const struct ehci_companions ich9_1d[] = { + { .name = "ich9-usb-uhci1", .func = 0, .port = 0 }, + { .name = "ich9-usb-uhci2", .func = 1, .port = 2 }, + { .name = "ich9-usb-uhci3", .func = 2, .port = 4 }, +}; + +static const struct ehci_companions ich9_1a[] = { + { .name = "ich9-usb-uhci4", .func = 0, .port = 0 }, + { .name = "ich9-usb-uhci5", .func = 1, .port = 2 }, + { .name = "ich9-usb-uhci6", .func = 2, .port = 4 }, +}; + +int ehci_create_ich9_with_companions(PCIBus *bus, int slot) +{ + const struct ehci_companions *comp; + PCIDevice *ehci, *uhci; + BusState *usbbus; + const char *name; + int i; + + switch (slot) { + case 0x1d: + name = "ich9-usb-ehci1"; + comp = ich9_1d; + break; + case 0x1a: + name = "ich9-usb-ehci2"; + comp = ich9_1a; + break; + default: + return -1; + } + + ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name); + qdev_init_nofail(&ehci->qdev); + usbbus = QLIST_FIRST(&ehci->qdev.child_bus); + + for (i = 0; i < 3; i++) { + uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func), + true, comp[i].name); + qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name); + qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port); + qdev_init_nofail(&uhci->qdev); + } + return 0; +} |