hci_t *
ehci_init (pcidev_t addr)
{
int i;
hci_t *controller = new_controller ();
if (!controller)
usb_fatal("Could not create USB controller instance.\n");
controller->instance = malloc (sizeof (ehci_t));
if(!controller->instance)
usb_fatal("Not enough memory creating USB controller instance.\n");
#define PCI_COMMAND 4
#define PCI_COMMAND_IO 1
#define PCI_COMMAND_MEMORY 2
#define PCI_COMMAND_MASTER 4
u32 pci_command = pci_read_config32(addr, PCI_COMMAND);
pci_command = (pci_command | PCI_COMMAND_MEMORY) & ~PCI_COMMAND_IO ;
pci_write_config32(addr, PCI_COMMAND, pci_command);
controller->start = ehci_start;
controller->stop = ehci_stop;
controller->reset = ehci_reset;
controller->shutdown = ehci_shutdown;
controller->bulk = ehci_bulk;
controller->control = ehci_control;
controller->create_intr_queue = ehci_create_intr_queue;
controller->destroy_intr_queue = ehci_destroy_intr_queue;
controller->poll_intr_queue = ehci_poll_intr_queue;
for (i = 0; i < 128; i++) {
controller->devices[i] = 0;
}
init_device_entry (controller, 0);
EHCI_INST(controller)->capabilities = phys_to_virt(pci_read_config32(addr, USBBASE));
EHCI_INST(controller)->operation = (hc_op_t *)(phys_to_virt(pci_read_config32(addr, USBBASE)) + EHCI_INST(controller)->capabilities->caplength);
/* default value for frame length adjust */
pci_write_config8(addr, FLADJ, FLADJ_framelength(60000));
/* Enable operation of controller */
controller->start(controller);
/* take over all ports. USB1 should be blind now */
EHCI_INST(controller)->operation->configflag = 1;
/* TODO lots of stuff missing */
controller->devices[0]->controller = controller;
controller->devices[0]->init = ehci_rh_init;
controller->devices[0]->init (controller->devices[0]);
return controller;
}
void
xhci_rh_init (usbdev_t *dev)
{
int i;
dev->destroy = xhci_rh_destroy;
dev->poll = xhci_rh_poll;
dev->data = malloc (sizeof (rh_inst_t));
if (!dev->data)
usb_fatal ("Not enough memory for XHCI RH.\n");
RH_INST (dev)->numports = XHCI_INST (dev->controller)->capreg->MaxPorts;
RH_INST (dev)->port = malloc(sizeof(int) * RH_INST (dev)->numports);
debug("%d ports registered\n", RH_INST (dev)->numports);
for (i = 0; i < RH_INST (dev)->numports; i++) {
xhci_rh_enable_port (dev, i);
RH_INST (dev)->port[i] = -1;
}
/* we can set them here because a root hub _really_ shouldn't
appear elsewhere */
dev->address = 0;
dev->hub = -1;
dev->port = -1;
debug("rh init done\n");
}
