int
ugen_set_interface(struct ugen_softc *sc, int ifaceidx, int altno)
{
struct usbd_interface *iface;
usb_endpoint_descriptor_t *ed;
int err;
struct ugen_endpoint *sce;
u_int8_t niface, nendpt, endptno, endpt;
int dir;
DPRINTFN(15, ("ugen_set_interface %d %d\n", ifaceidx, altno));
err = usbd_interface_count(sc->sc_udev, &niface);
if (err)
return (err);
if (ifaceidx < 0 || ifaceidx >= niface ||
usbd_iface_claimed(sc->sc_udev, ifaceidx))
return (USBD_INVAL);
err = usbd_device2interface_handle(sc->sc_udev, ifaceidx, &iface);
if (err)
return (err);
err = usbd_endpoint_count(iface, &nendpt);
if (err)
return (err);
for (endptno = 0; endptno < nendpt; endptno++) {
ed = usbd_interface2endpoint_descriptor(iface,endptno);
endpt = ed->bEndpointAddress;
dir = UE_GET_DIR(endpt) == UE_DIR_IN ? IN : OUT;
sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)][dir];
sce->sc = 0;
sce->edesc = 0;
sce->iface = 0;
}
/* change setting */
err = usbd_set_interface(iface, altno);
if (err)
goto out;
err = usbd_endpoint_count(iface, &nendpt);
if (err)
goto out;
out:
for (endptno = 0; endptno < nendpt; endptno++) {
ed = usbd_interface2endpoint_descriptor(iface,endptno);
endpt = ed->bEndpointAddress;
dir = UE_GET_DIR(endpt) == UE_DIR_IN ? IN : OUT;
sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)][dir];
sce->sc = sc;
sce->edesc = ed;
sce->iface = iface;
}
return (err);
}
int
uftdi_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
int err;
u_int8_t nifaces;
if (usb_lookup(uftdi_devs, uaa->vendor, uaa->product) == NULL)
return (UMATCH_NONE);
/* Get the number of interfaces. */
if (uaa->iface != NULL) {
nifaces = uaa->nifaces;
} else {
err = usbd_set_config_index(uaa->device, UFTDI_CONFIG_INDEX, 1);
if (err)
return (UMATCH_NONE);
err = usbd_interface_count(uaa->device, &nifaces);
if (err)
return (UMATCH_NONE);
usbd_set_config_index(uaa->device, USB_UNCONFIG_INDEX, 1);
}
/* JTAG on USB interface 0 */
if (uaa->vendor == USB_VENDOR_FTDI &&
uaa->product == USB_PRODUCT_FTDI_OPENRD &&
uaa->ifaceno == 0)
return (UMATCH_NONE);
if (nifaces <= 1)
return (UMATCH_VENDOR_PRODUCT);
/* Dual UART chip */
if (uaa->iface != NULL)
return (UMATCH_VENDOR_IFACESUBCLASS);
else
return (UMATCH_NONE);
}
int
ugen_set_config(struct ugen_softc *sc, int configno)
{
struct usbd_device *dev = sc->sc_udev;
usb_config_descriptor_t *cdesc;
struct usbd_interface *iface;
usb_endpoint_descriptor_t *ed;
struct ugen_endpoint *sce;
u_int8_t niface, nendpt;
int ifaceno, endptno, endpt;
int err;
int dir;
DPRINTFN(1,("ugen_set_config: %s to configno %d, sc=%p\n",
sc->sc_dev.dv_xname, configno, sc));
/*
* We start at 1, not 0, because we don't care whether the
* control endpoint is open or not. It is always present.
*/
for (endptno = 1; endptno < USB_MAX_ENDPOINTS; endptno++)
if (sc->sc_is_open[endptno]) {
DPRINTFN(1,
("ugen_set_config: %s - endpoint %d is open\n",
sc->sc_dev.dv_xname, endptno));
return (USBD_IN_USE);
}
/* Avoid setting the current value. */
cdesc = usbd_get_config_descriptor(dev);
if (!cdesc || cdesc->bConfigurationValue != configno) {
if (sc->sc_secondary) {
printf("%s: secondary, not changing config to %d\n",
__func__, configno);
return (USBD_IN_USE);
} else {
err = usbd_set_config_no(dev, configno, 1);
if (err)
return (err);
}
}
err = usbd_interface_count(dev, &niface);
if (err)
return (err);
memset(sc->sc_endpoints, 0, sizeof sc->sc_endpoints);
for (ifaceno = 0; ifaceno < niface; ifaceno++) {
DPRINTFN(1,("ugen_set_config: ifaceno %d\n", ifaceno));
if (usbd_iface_claimed(sc->sc_udev, ifaceno)) {
DPRINTF(("%s: iface %d not available\n", __func__,
ifaceno));
continue;
}
err = usbd_device2interface_handle(dev, ifaceno, &iface);
if (err)
return (err);
err = usbd_endpoint_count(iface, &nendpt);
if (err)
return (err);
for (endptno = 0; endptno < nendpt; endptno++) {
ed = usbd_interface2endpoint_descriptor(iface,endptno);
endpt = ed->bEndpointAddress;
dir = UE_GET_DIR(endpt) == UE_DIR_IN ? IN : OUT;
sce = &sc->sc_endpoints[UE_GET_ADDR(endpt)][dir];
DPRINTFN(1,("ugen_set_config: endptno %d, endpt=0x%02x"
"(%d,%d), sce=%p\n",
endptno, endpt, UE_GET_ADDR(endpt),
UE_GET_DIR(endpt), sce));
sce->sc = sc;
sce->edesc = ed;
sce->iface = iface;
}
}
return (0);
}
