int
uslcom_param(void *vsc, int portno, struct termios *t)
{
struct uslcom_softc *sc = (struct uslcom_softc *)vsc;
usbd_status err;
usb_device_request_t req;
int data;
if (t->c_ospeed <= 0 || t->c_ospeed > 921600)
return (EINVAL);
req.bmRequestType = USLCOM_WRITE;
req.bRequest = USLCOM_BAUD_RATE;
USETW(req.wValue, USLCOM_BAUD_REF / t->c_ospeed);
USETW(req.wIndex, portno);
USETW(req.wLength, 0);
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (err)
return (EIO);
if (ISSET(t->c_cflag, CSTOPB))
data = USLCOM_STOP_BITS_2;
else
data = USLCOM_STOP_BITS_1;
if (ISSET(t->c_cflag, PARENB)) {
if (ISSET(t->c_cflag, PARODD))
data |= USLCOM_PARITY_ODD;
else
data |= USLCOM_PARITY_EVEN;
} else
data |= USLCOM_PARITY_NONE;
switch (ISSET(t->c_cflag, CSIZE)) {
case CS5:
data |= USLCOM_SET_DATA_BITS(5);
break;
case CS6:
data |= USLCOM_SET_DATA_BITS(6);
break;
case CS7:
data |= USLCOM_SET_DATA_BITS(7);
break;
case CS8:
data |= USLCOM_SET_DATA_BITS(8);
break;
}
req.bmRequestType = USLCOM_WRITE;
req.bRequest = USLCOM_DATA;
USETW(req.wValue, data);
USETW(req.wIndex, portno);
USETW(req.wLength, 0);
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (err)
return (EIO);
#if 0
/* XXX flow control */
if (ISSET(t->c_cflag, CRTSCTS))
/* rts/cts flow ctl */
} else if (ISSET(t->c_iflag, IXON|IXOFF)) {
int
uslcom_param(void *vsc, int portno, struct termios *t)
{
struct uslcom_softc *sc = (struct uslcom_softc *)vsc;
usbd_status err;
usb_device_request_t req;
uint32_t baudrate, flowctrl[4];
int data;
if (t->c_ospeed <= 0 || t->c_ospeed > 921600)
return (EINVAL);
baudrate = t->c_ospeed;
req.bmRequestType = USLCOM_WRITE;
req.bRequest = USLCOM_SET_BAUD_RATE;
USETW(req.wValue, 0);
USETW(req.wIndex, portno);
USETW(req.wLength, sizeof(baudrate));
err = usbd_do_request(sc->sc_udev, &req, &baudrate);
if (err)
return (EIO);
if (ISSET(t->c_cflag, CSTOPB))
data = USLCOM_STOP_BITS_2;
else
data = USLCOM_STOP_BITS_1;
if (ISSET(t->c_cflag, PARENB)) {
if (ISSET(t->c_cflag, PARODD))
data |= USLCOM_PARITY_ODD;
else
data |= USLCOM_PARITY_EVEN;
} else
data |= USLCOM_PARITY_NONE;
switch (ISSET(t->c_cflag, CSIZE)) {
case CS5:
data |= USLCOM_SET_DATA_BITS(5);
break;
case CS6:
data |= USLCOM_SET_DATA_BITS(6);
break;
case CS7:
data |= USLCOM_SET_DATA_BITS(7);
break;
case CS8:
data |= USLCOM_SET_DATA_BITS(8);
break;
}
req.bmRequestType = USLCOM_WRITE;
req.bRequest = USLCOM_DATA;
USETW(req.wValue, data);
USETW(req.wIndex, portno);
USETW(req.wLength, 0);
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (err)
return (EIO);
if (ISSET(t->c_cflag, CRTSCTS)) {
/* rts/cts flow ctl */
flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON | USLCOM_FLOW_CTS_HS);
flowctrl[1] = htole32(USLCOM_FLOW_RTS_HS);
} else {
/* disable flow ctl */
flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON);
flowctrl[1] = htole32(USLCOM_FLOW_RTS_ON);
}
flowctrl[2] = 0;
flowctrl[3] = 0;
req.bmRequestType = USLCOM_WRITE;
req.bRequest = USLCOM_SET_FLOW;
USETW(req.wValue, 0);
USETW(req.wIndex, portno);
USETW(req.wLength, sizeof(flowctrl));
err = usbd_do_request(sc->sc_udev, &req, flowctrl);
if (err)
return (EIO);
return (0);
}