/* * 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 . */ #include "hw/usb/hcd-ehci.h" #include "qemu/range.h" 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 = PCI_EHCI(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->irq = pci_allocate_irq(dev); s->as = pci_get_address_space(dev); usb_ehci_realize(s, DEVICE(dev), NULL); pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem); return 0; } static void usb_ehci_pci_init(Object *obj) { EHCIPCIState *i = PCI_EHCI(obj); EHCIState *s = &i->ehci; s->caps[0x09] = 0x68; /* EECP */ s->capsbase = 0x00; s->opregbase = 0x20; s->portscbase = 0x44; s->portnr = NB_PORTS; usb_ehci_init(s, DEVICE(obj)); } static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int l) { EHCIPCIState *i = PCI_EHCI(dev); bool busmaster; pci_default_write_config(dev, addr, val, l); if (!range_covers_byte(addr, l, PCI_COMMAND)) { return; } busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER; i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory; } 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), VMSTATE_END_OF_LIST() } }; static void ehci_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); k->init = usb_ehci_pci_initfn; k->class_id = PCI_CLASS_SERIAL_USB; k->config_write = usb_ehci_pci_write_config; dc->hotpluggable = false; dc->vmsd = &vmstate_ehci_pci; dc->props = ehci_pci_properties; } static const TypeInfo ehci_pci_type_info = { .name = TYPE_PCI_EHCI, .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(EHCIPCIState), .instance_init = usb_ehci_pci_init, .abstract = true, .class_init = ehci_class_init, }; static void ehci_data_class_init(ObjectClass *klass, void *data) { PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass); EHCIPCIInfo *i = data; k->vendor_id = i->vendor_id; k->device_id = i->device_id; k->revision = i->revision; set_bit(DEVICE_CATEGORY_USB, dc->categories); } 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_EHCI, .class_init = ehci_data_class_init, }; int i; type_register_static(&ehci_pci_type_info); 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; }