static int
uhci_pci_probe(device_t self)
{
const char *desc = uhci_pci_match(self);
if (desc) {
device_set_desc(self, desc);
return (BUS_PROBE_DEFAULT);
} else {
return (ENXIO);
}
}
static int
uhci_pci_probe(device_t self)
{
const char *desc = uhci_pci_match(self);
if (desc) {
device_set_desc(self, desc);
return 0;
} else {
return ENXIO;
}
}
static int
uhci_pci_attach(device_t self)
{
uhci_softc_t *sc = device_get_softc(self);
int rid;
int err;
/* initialise some bus fields */
sc->sc_bus.parent = self;
sc->sc_bus.devices = sc->sc_devices;
sc->sc_bus.devices_max = UHCI_MAX_DEVICES;
sc->sc_bus.dma_bits = 32;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
&uhci_iterate_hw_softc)) {
return ENOMEM;
}
sc->sc_dev = self;
pci_enable_busmaster(self);
rid = PCI_UHCI_BASE_REG;
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(self, "Could not map ports\n");
goto error;
}
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
sc->sc_io_size = rman_get_size(sc->sc_io_res);
/* disable interrupts */
bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0);
rid = 0;
sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
device_printf(self, "Could not allocate irq\n");
goto error;
}
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
if (!sc->sc_bus.bdev) {
device_printf(self, "Could not add USB device\n");
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
/*
* uhci_pci_match must never return NULL if uhci_pci_probe
* succeeded
*/
device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
switch (pci_get_vendor(self)) {
case PCI_UHCI_VENDORID_INTEL:
sprintf(sc->sc_vendor, "Intel");
break;
case PCI_UHCI_VENDORID_HP:
sprintf(sc->sc_vendor, "HP");
break;
case PCI_UHCI_VENDORID_VIA:
sprintf(sc->sc_vendor, "VIA");
break;
default:
if (bootverbose) {
device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
pci_get_devid(self));
}
sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
}
switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
case PCI_USB_REV_PRE_1_0:
sc->sc_bus.usbrev = USB_REV_PRE_1_0;
break;
case PCI_USB_REV_1_0:
sc->sc_bus.usbrev = USB_REV_1_0;
break;
default:
/* Quirk for Parallels Desktop 4.0 */
device_printf(self, "USB revision is unknown. Assuming v1.1.\n");
sc->sc_bus.usbrev = USB_REV_1_1;
break;
}
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
#else
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
(driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
#endif
if (err) {
device_printf(self, "Could not setup irq, %d\n", err);
sc->sc_intr_hdl = NULL;
goto error;
}
/*
* Set the PIRQD enable bit and switch off all the others. We don't
* want legacy support to interfere with us XXX Does this also mean
* that the BIOS won't touch the keyboard anymore if it is connected
* to the ports of the root hub?
*/
#ifdef USB_DEBUG
if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) {
device_printf(self, "LegSup = 0x%04x\n",
pci_read_config(self, PCI_LEGSUP, 2));
}
#endif
pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
err = uhci_init(sc);
if (!err) {
err = device_probe_and_attach(sc->sc_bus.bdev);
}
if (err) {
device_printf(self, "USB init failed\n");
goto error;
}
return (0);
error:
uhci_pci_detach(self);
return (ENXIO);
}
static int
uhci_pci_attach(device_t self)
{
uhci_softc_t *sc = device_get_softc(self);
int rid;
int err;
pci_enable_busmaster(self);
rid = PCI_UHCI_BASE_REG;
sc->io_res = bus_alloc_resource(self, SYS_RES_IOPORT, &rid,
0, ~0, 1, RF_ACTIVE);
if (!sc->io_res) {
device_printf(self, "Could not map ports\n");
return ENXIO;
}
sc->iot = rman_get_bustag(sc->io_res);
sc->ioh = rman_get_bushandle(sc->io_res);
/* disable interrupts */
bus_space_write_2(sc->iot, sc->ioh, UHCI_INTR, 0);
rid = 0;
sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid,
0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (sc->irq_res == NULL) {
device_printf(self, "Could not allocate irq\n");
uhci_pci_detach(self);
return ENXIO;
}
sc->sc_bus.bdev = device_add_child(self, "usb", -1);
if (!sc->sc_bus.bdev) {
device_printf(self, "Could not add USB device\n");
uhci_pci_detach(self);
return ENOMEM;
}
device_set_ivars(sc->sc_bus.bdev, sc);
/* uhci_pci_match must never return NULL if uhci_pci_probe succeeded */
device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
switch (pci_get_vendor(self)) {
case PCI_UHCI_VENDORID_INTEL:
sprintf(sc->sc_vendor, "Intel");
break;
case PCI_UHCI_VENDORID_VIA:
sprintf(sc->sc_vendor, "VIA");
break;
default:
if (bootverbose)
device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
pci_get_devid(self));
sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
}
switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USBREV_MASK) {
case PCI_USBREV_PRE_1_0:
sc->sc_bus.usbrev = USBREV_PRE_1_0;
break;
case PCI_USBREV_1_0:
sc->sc_bus.usbrev = USBREV_1_0;
break;
default:
sc->sc_bus.usbrev = USBREV_UNKNOWN;
break;
}
err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
(driver_intr_t *) uhci_intr, sc, &sc->ih);
if (err) {
device_printf(self, "Could not setup irq, %d\n", err);
sc->ih = NULL;
uhci_pci_detach(self);
return ENXIO;
}
/*
* Set the PIRQD enable bit and switch off all the others. We don't
* want legacy support to interfere with us XXX Does this also mean
* that the BIOS won't touch the keyboard anymore if it is connected
* to the ports of the root hub?
*/
#ifdef USB_DEBUG
if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN)
device_printf(self, "LegSup = 0x%04x\n",
pci_read_config(self, PCI_LEGSUP, 2));
#endif
pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
err = uhci_init(sc);
if (!err)
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(self, "USB init failed\n");
uhci_pci_detach(self);
return EIO;
}
return 0; /* success */
}
