static void
uhso_bs_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
pc = usbd_xfer_get_frame(xfer, 0);
ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen);
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
}
static void
uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
struct usb_device_request req;
struct uhso_tty *ht;
int actlen, len;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer));
ht = usbd_xfer_get_priv(xfer);
UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
/* Got data, send to ucom */
pc = usbd_xfer_get_frame(xfer, 1);
len = usbd_xfer_frame_len(xfer, 1);
UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len,
ht->ht_muxport);
if (len <= 0) {
usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]);
break;
}
/* Deliver data if the TTY is open, discard otherwise */
if (ht->ht_open)
ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len);
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
memset(&req, 0, sizeof(struct usb_device_request));
req.bmRequestType = UT_READ_CLASS_INTERFACE;
req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
USETW(req.wValue, 0);
USETW(req.wIndex, ht->ht_muxport);
USETW(req.wLength, 1024);
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frame_len(xfer, 1, 1024);
usbd_xfer_set_frames(xfer, 2);
usbd_transfer_submit(xfer);
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
}
static void
usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ucom_softc *ucom = usbd_xfer_softc(xfer);
struct usie_softc *sc = ucom->sc_parent;
struct usb_page_cache *pc;
uint32_t actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
pc = usbd_xfer_get_frame(xfer, 0);
/* handle CnS response */
if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) {
DPRINTF("transferred=%u\n", actlen);
/* check if it is really CnS reply */
usbd_copy_out(pc, 0, sc->sc_resp_temp, 1);
if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) {
/* verify actlen */
if (actlen > USIE_BUFSIZE)
actlen = USIE_BUFSIZE;
/* get complete message */
usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen);
usie_hip_rsp(sc, sc->sc_resp_temp, actlen);
/* need to fall though */
goto tr_setup;
}
/* else call ucom_put_data() */
}
/* standard ucom transfer */
ucom_put_data(ucom, pc, 0, actlen);
/* fall though */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
