diff options
Diffstat (limited to 'sys/dev/usb/serial/usb_serial.c')
| -rw-r--r-- | sys/dev/usb/serial/usb_serial.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/sys/dev/usb/serial/usb_serial.c b/sys/dev/usb/serial/usb_serial.c index 7ba74d9..9e9900a 100644 --- a/sys/dev/usb/serial/usb_serial.c +++ b/sys/dev/usb/serial/usb_serial.c @@ -185,6 +185,8 @@ static uint8_t ucom_bitmap[(UCOM_UNIT_MAX + 7) / 8]; static struct mtx ucom_bitmap_mtx; MTX_SYSINIT(ucom_bitmap_mtx, &ucom_bitmap_mtx, "ucom bitmap", MTX_DEF); +#define UCOM_TTY_PREFIX "U" + /* * Mark a unit number (the X in cuaUX) as in use. * @@ -320,11 +322,12 @@ ucom_attach_tty(struct ucom_super_softc *ssc, struct ucom_softc *sc) /* Use default TTY name */ if (ssc->sc_subunits > 1) { /* multiple modems in one */ - snprintf(buf, sizeof(buf), "U%u.%u", + snprintf(buf, sizeof(buf), UCOM_TTY_PREFIX "%u.%u", ssc->sc_unit, sc->sc_subunit); } else { /* single modem */ - snprintf(buf, sizeof(buf), "U%u", ssc->sc_unit); + snprintf(buf, sizeof(buf), UCOM_TTY_PREFIX "%u", + ssc->sc_unit); } } tty_makedev(tp, NULL, "%s", buf); @@ -409,6 +412,24 @@ ucom_detach_tty(struct ucom_softc *sc) cv_destroy(&sc->sc_cv); } +void +ucom_set_pnpinfo_usb(struct ucom_super_softc *ssc, device_t dev) +{ + char buf[64]; + uint8_t iface_index; + struct usb_attach_arg *uaa; + + snprintf(buf, sizeof(buf), "ttyname=%s%d ttyports=%d", + UCOM_TTY_PREFIX, ssc->sc_unit, ssc->sc_subunits); + + /* Store the PNP info in the first interface for the dev */ + uaa = device_get_ivars(dev); + iface_index = uaa->info.bIfaceIndex; + + if (usbd_set_pnpinfo(uaa->device, iface_index, buf) != 0) + device_printf(dev, "Could not set PNP info\n"); +} + static void ucom_queue_command(struct ucom_softc *sc, usb_proc_callback_t *fn, struct termios *pt, |
