int
umsm_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
usb_interface_descriptor_t *id;
uint16_t flag;
if (uaa->iface == NULL)
return UMATCH_NONE;
/*
* Some devices (eg Huawei E220) have multiple interfaces and some
* of them are of class umass. Don't claim ownership in such case.
*/
if (umsm_lookup(uaa->vendor, uaa->product) != NULL) {
id = usbd_get_interface_descriptor(uaa->iface);
flag = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
/*
* Some high-speed modems require special care.
*/
if (flag & DEV_HUAWEI) {
if (uaa->ifaceno != 2)
return UMATCH_VENDOR_IFACESUBCLASS;
else
return UMATCH_NONE;
} else if (flag & DEV_UMASS) {
return UMATCH_VENDOR_IFACESUBCLASS;
} else if (flag & DEV_TRUINSTALL) {
return UMATCH_VENDOR_IFACESUBCLASS;
} else
return UMATCH_NONE;
/*
* Some devices have interfaces which fail to attach but in
* addition seem to make the remaining interfaces unusable. Only
* attach whitelisted interfaces in this case.
*/
} else if ((uaa->vendor == USB_VENDOR_MEDIATEK &&
uaa->product == USB_PRODUCT_MEDIATEK_DC_4COM) &&
!(id->bInterfaceClass == UICLASS_VENDOR &&
((id->bInterfaceSubClass == 0x02 &&
id->bInterfaceProtocol == 0x01) ||
(id->bInterfaceSubClass == 0x00 &&
id->bInterfaceProtocol == 0x00)))) {
return UMATCH_NONE;
} else
return UMATCH_VENDOR_IFACESUBCLASS;
}
return UMATCH_NONE;
}
int
umsm_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
usb_interface_descriptor_t *id;
uint16_t flag;
if (uaa->iface == NULL)
return UMATCH_NONE;
/*
* Some devices (eg Huawei E220) have multiple interfaces and some
* of them are of class umass. Don't claim ownership in such case.
*/
if (umsm_lookup(uaa->vendor, uaa->product) != NULL) {
id = usbd_get_interface_descriptor(uaa->iface);
flag = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
/*
* Some high-speed modems require special care.
*/
if (flag & DEV_HUAWEI) {
if (uaa->ifaceno != 2)
return UMATCH_VENDOR_IFACESUBCLASS;
else
return UMATCH_NONE;
} else if (flag & DEV_UMASS) {
return UMATCH_VENDOR_IFACESUBCLASS;
} else if (flag & DEV_TRUINSTALL) {
return UMATCH_VENDOR_IFACESUBCLASS;
} else
return UMATCH_NONE;
} else
return UMATCH_VENDOR_IFACESUBCLASS;
}
return UMATCH_NONE;
}
void
umsm_attach(struct device *parent, struct device *self, void *aux)
{
struct umsm_softc *sc = (struct umsm_softc *)self;
struct usb_attach_arg *uaa = aux;
struct ucom_attach_args uca;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
int i;
bzero(&uca, sizeof(uca));
sc->sc_udev = uaa->device;
sc->sc_iface = uaa->iface;
sc->sc_flag = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
id = usbd_get_interface_descriptor(sc->sc_iface);
/*
* Some 3G modems have multiple interfaces and some of them
* are umass class. Don't claim ownership in such case.
*/
if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
/*
* Some 3G modems require a special request to
* enable their modem function.
*/
if ((sc->sc_flag & DEV_HUAWEI) && uaa->ifaceno == 0) {
umsm_huawei_changemode(uaa->device);
printf("%s: umass only mode. need to reattach\n",
sc->sc_dev.dv_xname);
} else if ((sc->sc_flag & DEV_TRUINSTALL) &&
uaa->ifaceno == 0) {
umsm_truinstall_changemode(uaa->device);
printf("%s: truinstall mode. need to reattach\n",
sc->sc_dev.dv_xname);
} else if ((sc->sc_flag & DEV_UMASS) && uaa->ifaceno == 0) {
umsm_umass_changemode(sc);
}
/*
* The device will reset its own bus from the device side
* when its mode was changed, so just return.
*/
return;
}
sc->sc_iface_no = id->bInterfaceNumber;
uca.bulkin = uca.bulkout = -1;
sc->sc_intr_number = sc->sc_isize = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) {
printf("%s: no endpoint descriptor found for %d\n",
sc->sc_dev.dv_xname, i);
usbd_deactivate(sc->sc_udev);
return;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
sc->sc_intr_number = ed->bEndpointAddress;
sc->sc_isize = UGETW(ed->wMaxPacketSize);
DPRINTF(("%s: find interrupt endpoint for %s\n",
__func__, sc->sc_dev.dv_xname));
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
uca.bulkin = ed->bEndpointAddress;
else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
uca.bulkout = ed->bEndpointAddress;
}
if (uca.bulkin == -1 || uca.bulkout == -1) {
printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
usbd_deactivate(sc->sc_udev);
return;
}
sc->sc_dtr = sc->sc_rts = -1;
/* We need to force size as some devices lie */
uca.ibufsize = UMSMBUFSZ;
uca.obufsize = UMSMBUFSZ;
uca.ibufsizepad = UMSMBUFSZ;
uca.opkthdrlen = 0;
uca.device = sc->sc_udev;
uca.iface = sc->sc_iface;
uca.methods = &umsm_methods;
uca.arg = sc;
uca.info = NULL;
uca.portno = UCOM_UNK_PORTNO;
sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
}
