mirror of https://gitee.com/openkylin/qemu.git
266 lines
7.4 KiB
C
266 lines
7.4 KiB
C
/*
|
|
* 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 "qemu/range.h"
|
|
|
|
typedef struct EHCIPCIInfo {
|
|
const char *name;
|
|
uint16_t vendor_id;
|
|
uint16_t device_id;
|
|
uint8_t revision;
|
|
bool companion;
|
|
} 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)
|
|
{
|
|
DeviceClass *dc = OBJECT_GET_CLASS(DeviceClass, obj, TYPE_DEVICE);
|
|
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;
|
|
|
|
if (!dc->hotpluggable) {
|
|
s->companion_enable = true;
|
|
}
|
|
|
|
usb_ehci_init(s, DEVICE(obj));
|
|
}
|
|
|
|
static void usb_ehci_pci_exit(PCIDevice *dev)
|
|
{
|
|
EHCIPCIState *i = PCI_EHCI(dev);
|
|
EHCIState *s = &i->ehci;
|
|
|
|
usb_ehci_unrealize(s, DEVICE(dev), NULL);
|
|
|
|
if (s->irq) {
|
|
g_free(s->irq);
|
|
s->irq = NULL;
|
|
}
|
|
}
|
|
|
|
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->exit = usb_ehci_pci_exit;
|
|
k->class_id = PCI_CLASS_SERIAL_USB;
|
|
k->config_write = usb_ehci_pci_write_config;
|
|
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);
|
|
if (i->companion) {
|
|
dc->hotpluggable = false;
|
|
}
|
|
}
|
|
|
|
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,
|
|
.companion = true,
|
|
},{
|
|
.name = "ich9-usb-ehci2", /* 00:1a.7 */
|
|
.vendor_id = PCI_VENDOR_ID_INTEL,
|
|
.device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
|
|
.revision = 0x03,
|
|
.companion = true,
|
|
}
|
|
};
|
|
|
|
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;
|
|
}
|