void
umodem_intr(struct usbd_xfer *xfer, void *priv, usbd_status status)
{
struct umodem_softc *sc = priv;
u_char mstatus;
if (usbd_is_dying(sc->sc_udev))
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname,
usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_notify_pipe);
return;
}
if (sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION) {
DPRINTF(("%s: unknown message type (%02x) on notify pipe\n",
sc->sc_dev.dv_xname,
sc->sc_notify_buf.bmRequestType));
return;
}
switch (sc->sc_notify_buf.bNotification) {
case UCDC_N_SERIAL_STATE:
/*
* Set the serial state in ucom driver based on
* the bits from the notify message
*/
if (UGETW(sc->sc_notify_buf.wLength) != 2) {
printf("%s: Invalid notification length! (%d)\n",
sc->sc_dev.dv_xname,
UGETW(sc->sc_notify_buf.wLength));
break;
}
DPRINTF(("%s: notify bytes = %02x%02x\n",
sc->sc_dev.dv_xname,
sc->sc_notify_buf.data[0],
sc->sc_notify_buf.data[1]));
/* Currently, lsr is always zero. */
sc->sc_lsr = sc->sc_msr = 0;
mstatus = sc->sc_notify_buf.data[0];
if (ISSET(mstatus, UCDC_N_SERIAL_RI))
sc->sc_msr |= UMSR_RI;
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
sc->sc_msr |= UMSR_DSR;
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
sc->sc_msr |= UMSR_DCD;
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
break;
default:
DPRINTF(("%s: unknown notify message: %02x\n",
sc->sc_dev.dv_xname,
sc->sc_notify_buf.bNotification));
break;
}
}
void
umct_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct umct_softc *sc = priv;
u_char *buf = sc->sc_intr_buf;
u_char mstatus;
if (sc->sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: abnormal status: %s\n", sc->sc_dev.dv_xname,
usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
DPRINTF(("%s: umct status = MSR:%02x, LSR:%02x\n",
sc->sc_dev.dv_xname, buf[0],buf[1]));
sc->sc_lsr = sc->sc_msr = 0;
mstatus = buf[0];
if (ISSET(mstatus, MSR_DSR))
sc->sc_msr |= UMSR_DSR;
if (ISSET(mstatus, MSR_DCD))
sc->sc_msr |= UMSR_DCD;
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
}
void
uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct uplcom_softc *sc = priv;
u_char *buf = sc->sc_intr_buf;
u_char pstatus;
if (sc->sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev),
usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8]));
sc->sc_lsr = sc->sc_msr = 0;
pstatus = buf[8];
if (ISSET(pstatus, RSAQ_STATUS_DSR))
sc->sc_msr |= UMSR_DSR;
if (ISSET(pstatus, RSAQ_STATUS_DCD))
sc->sc_msr |= UMSR_DCD;
ucom_status_change(device_private(sc->sc_subdev));
}
Static void
uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
{
struct uftdi_softc *sc = vsc;
u_char msr, lsr;
DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
*count));
msr = FTDI_GET_MSR(*ptr);
lsr = FTDI_GET_LSR(*ptr);
#ifdef UFTDI_DEBUG
if (*count != 2)
DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
"0x%02x\n", sc, portno, *count, (*ptr)[2]));
#endif
if (sc->sc_msr != msr ||
(sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
"lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
lsr, sc->sc_lsr));
sc->sc_msr = msr;
sc->sc_lsr = lsr;
ucom_status_change(device_private(sc->sc_subdev[portno-1]));
}
/* Adjust buffer pointer to skip status prefix */
*ptr += 2;
}
void
ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct ubsa_softc *sc = priv;
u_char *buf;
int i;
buf = sc->sc_intr_buf;
if (sc->sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: ubsa_intr: abnormal status: %s\n",
device_xname(sc->sc_dev), usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
/* incidentally, Belkin adapter status bits match UART 16550 bits */
sc->sc_lsr = buf[2];
sc->sc_msr = buf[3];
DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n",
device_xname(sc->sc_dev), sc->sc_lsr, sc->sc_msr));
for (i = 0; i < sc->sc_numif; i++) {
ucom_status_change(device_private(sc->sc_subdevs[i]));
}
}
void
uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
{
struct uftdi_softc *sc = vsc;
u_char msr, lsr;
DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
*count));
msr = FTDI_GET_MSR(*ptr);
lsr = FTDI_GET_LSR(*ptr);
#ifdef UFTDI_DEBUG
if (*count != 2)
DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
"0x%02x\n", sc, portno, *count, (*ptr)[2]));
#endif
if (sc->sc_msr != msr ||
(sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
"lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
lsr, sc->sc_lsr));
sc->sc_msr = msr;
sc->sc_lsr = lsr;
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
}
/* Pick up status and adjust data part. */
*ptr += 2;
*count -= 2;
}
/* Handle delayed events. */
static void
ubsa_notify(void *arg)
{
struct ubsa_softc *sc;
sc = arg;
ucom_status_change(&sc->sc_ucom);
}
static int
ucom_open(struct tty *tp)
{
struct ucom_softc *sc = tty_softc(tp);
int error;
mtx_assert(sc->sc_mtx, MA_OWNED);
if (sc->sc_flag & UCOM_FLAG_GONE) {
return (ENXIO);
}
if (sc->sc_flag & UCOM_FLAG_HL_READY) {
/* already opened */
return (0);
}
DPRINTF("tp = %p\n", tp);
if (sc->sc_callback->ucom_pre_open) {
/*
* give the lower layer a chance to disallow TTY open, for
* example if the device is not present:
*/
error = (sc->sc_callback->ucom_pre_open) (sc);
if (error) {
return (error);
}
}
sc->sc_flag |= UCOM_FLAG_HL_READY;
/* Disable transfers */
sc->sc_flag &= ~UCOM_FLAG_GP_DATA;
sc->sc_lsr = 0;
sc->sc_msr = 0;
sc->sc_mcr = 0;
/* reset programmed line state */
sc->sc_pls_curr = 0;
sc->sc_pls_set = 0;
sc->sc_pls_clr = 0;
ucom_queue_command(sc, ucom_cfg_open, NULL,
&sc->sc_open_task[0].hdr,
&sc->sc_open_task[1].hdr);
/* Queue transfer enable command last */
ucom_queue_command(sc, ucom_cfg_start_transfers, NULL,
&sc->sc_start_task[0].hdr,
&sc->sc_start_task[1].hdr);
ucom_modem(tp, SER_DTR | SER_RTS, 0);
ucom_break(sc, 0);
ucom_status_change(sc);
return (0);
}
static void
uticom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status)
{
struct uticom_softc *sc = priv;
u_char *buf = sc->sc_intr_buf;
if (usbd_is_dying(sc->sc_udev))
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
DPRINTF(("%s: uticom_intr: int status: %s\n",
sc->sc_dev.dv_xname, usbd_errstr(status)));
return;
}
DPRINTF(("%s: uticom_intr: abnormal status: %s\n",
sc->sc_dev.dv_xname, usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
if (!xfer->actlen)
return;
DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname,
xfer->actlen));
sc->sc_lsr = sc->sc_msr = 0;
if (buf[0] == 0) {
/* msr registers */
if (buf[1] & UTICOM_MCR_CTS)
sc->sc_msr |= UMSR_CTS;
if (buf[1] & UTICOM_MCR_DSR)
sc->sc_msr |= UMSR_DSR;
if (buf[1] & UTICOM_MCR_CD)
sc->sc_msr |= UMSR_DCD;
if (buf[1] & UTICOM_MCR_RI)
sc->sc_msr |= UMSR_RI;
} else {
/* lsr registers */
if (buf[0] & UTICOM_LCR_OVR)
sc->sc_lsr |= ULSR_OE;
if (buf[0] & UTICOM_LCR_PTE)
sc->sc_lsr |= ULSR_PE;
if (buf[0] & UTICOM_LCR_FRE)
sc->sc_lsr |= ULSR_FE;
if (buf[0] & UTICOM_LCR_BRK)
sc->sc_lsr |= ULSR_BI;
}
// if (uticomstickdsr)
// sc->sc_msr |= UMSR_DSR;
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
}
Static void
umct_notify(void *arg)
{
struct umct_softc *sc;
sc = (struct umct_softc *)arg;
if (sc->sc_ucom.sc_dying == 0)
ucom_status_change(&sc->sc_ucom);
}
static void
uplcom_notify(void *arg, int count)
{
struct uplcom_softc *sc;
sc = (struct uplcom_softc *)arg;
if (sc->sc_ucom.sc_dying)
return;
ucom_status_change(&sc->sc_ucom);
}
static void
uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
int actlen;
struct usb_cdc_notification cdc;
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:
if (actlen < UCDC_NOTIFICATION_LENGTH) {
UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen);
goto tr_setup;
}
else if (actlen > (int)sizeof(struct usb_cdc_notification)) {
UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen);
actlen = sizeof(struct usb_cdc_notification);
}
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_out(pc, 0, &cdc, actlen);
if (UGETW(cdc.wIndex) != sc->sc_iface_no) {
UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n",
UGETW(cdc.wIndex), sc->sc_iface_no);
goto tr_setup;
}
if (cdc.bmRequestType == UCDC_NOTIFICATION &&
cdc.bNotification == UCDC_N_SERIAL_STATE) {
UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]);
sc->sc_msr = 0;
sc->sc_lsr = 0;
if (cdc.data[0] & UCDC_N_SERIAL_RI)
sc->sc_msr |= SER_RI;
if (cdc.data[0] & UCDC_N_SERIAL_DSR)
sc->sc_msr |= SER_DSR;
if (cdc.data[0] & UCDC_N_SERIAL_DCD)
sc->sc_msr |= SER_DCD;
ucom_status_change(&sc->sc_ucom[0]);
}
case USB_ST_SETUP:
tr_setup:
default:
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
}
void
ubsa_intr(struct usbd_xfer *xfer, void *priv, usbd_status status)
{
struct ubsa_softc *sc = priv;
u_char *buf;
struct usb_cdc_notification *cdcbuf;
buf = sc->sc_intr_buf;
cdcbuf = (struct usb_cdc_notification *)sc->sc_intr_buf;
if (usbd_is_dying(sc->sc_udev))
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: ubsa_intr: abnormal status: %s\n",
sc->sc_dev.dv_xname, usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
#if 1 /* test */
if (cdcbuf->bmRequestType == UCDC_NOTIFICATION) {
printf("%s: this device is using CDC notify message in"
" intr pipe.\n"
"Please send your dmesg to <*****@*****.**>, thanks.\n",
sc->sc_dev.dv_xname);
printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
sc->sc_dev.dv_xname,
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
/* check the buffer data */
if (cdcbuf->bNotification == UCDC_N_SERIAL_STATE)
printf("%s:notify serial state, len=%d, data=0x%02x\n",
sc->sc_dev.dv_xname,
UGETW(cdcbuf->wLength), cdcbuf->data[0]);
}
#endif
/* incidentally, Belkin adapter status bits match UART 16550 bits */
sc->sc_lsr = buf[2];
sc->sc_msr = buf[3];
DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n",
sc->sc_dev.dv_xname, sc->sc_lsr, sc->sc_msr));
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
}
static void
ugensa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct ugensa_softc *sc = priv;
usb_cdc_notification_t *buf;
u_char mstatus;
buf = (usb_cdc_notification_t *)sc->sc_intr_buf;
if (sc->sc_ucom.sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
device_printf(sc->sc_ucom.sc_dev,
"ugensa_intr: abnormal status: %s\n", usbd_errstr(status));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
if (buf->bmRequestType != UCDC_NOTIFICATION) {
DPRINTF(("%s: umsm_intr: unknown message type(0x%02x)\n",
sc->sc_dev.dv_xname, buf->bmRequestType));
return;
}
if (buf->bNotification == UCDC_N_SERIAL_STATE) {
/* invalid message length, discard it */
if (UGETW(buf->wLength) != 2)
return;
/* XXX: sc_lsr is always 0 */
sc->sc_lsr = sc->sc_msr = 0;
mstatus = buf->data[0];
if (ISSET(mstatus, UCDC_N_SERIAL_RI))
sc->sc_msr |= UMSR_RI;
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
sc->sc_msr |= UMSR_DSR;
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
sc->sc_msr |= UMSR_DCD;
} else if (buf->bNotification != UCDC_N_CONNECTION_SPEED_CHANGE) {
DPRINTF(("%s: umsm_intr: unknown notify message (0x%02x)\n",
sc->sc_dev.dv_xname, buf->bNotification));
return;
}
ucom_status_change(&sc->sc_ucom);
}
Static void
uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct uvscom_softc *sc = priv;
u_char *buf = sc->sc_intr_buf;
u_char pstatus;
if (sc->sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
printf("%s: uvscom_intr: abnormal status: %s\n",
USBDEVNAME(sc->sc_dev),
usbd_errstr(status));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
USBDEVNAME(sc->sc_dev), buf[0], buf[1]));
sc->sc_lsr = sc->sc_msr = 0;
sc->sc_usr = buf[1];
pstatus = buf[0];
if (ISSET(pstatus, UVSCOM_TXRDY))
SET(sc->sc_lsr, ULSR_TXRDY);
if (ISSET(pstatus, UVSCOM_RXRDY))
SET(sc->sc_lsr, ULSR_RXRDY);
pstatus = buf[1];
if (ISSET(pstatus, UVSCOM_CTS))
SET(sc->sc_msr, UMSR_CTS);
if (ISSET(pstatus, UVSCOM_DSR))
SET(sc->sc_msr, UMSR_DSR);
if (ISSET(pstatus, UVSCOM_DCD))
SET(sc->sc_msr, UMSR_DCD);
ucom_status_change((struct ucom_softc *) sc->sc_subdev);
}
static void
u3g_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct u3g_softc *sc = (struct u3g_softc *)priv;
u_char *buf;
if (sc->sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
buf = sc->sc_intr_buff;
if (buf[0] == 0xa1 && buf[1] == 0x20) {
u_char msr;
msr = sc->sc_msr & ~(UMSR_DCD | UMSR_DSR | UMSR_RI);
if (buf[8] & U3G_INPIN_DCD)
msr |= UMSR_DCD;
if (buf[8] & U3G_INPIN_DSR)
msr |= UMSR_DSR;
if (buf[8] & U3G_INPIN_RI)
msr |= UMSR_RI;
if (msr != sc->sc_msr) {
sc->sc_msr = msr;
if (sc->sc_open)
ucom_status_change(device_private(sc->sc_ucom));
}
}
}
int
ucomopen(dev_t dev, int flag, int mode, struct proc *p)
{
int unit = UCOMUNIT(dev);
usbd_status err;
struct ucom_softc *sc;
struct tty *tp;
struct termios t;
int s;
int error;
if (unit >= ucom_cd.cd_ndevs)
return (ENXIO);
sc = ucom_cd.cd_devs[unit];
if (sc == NULL)
return (ENXIO);
if (sc->sc_dying)
return (EIO);
if (ISSET(sc->sc_dev.dv_flags, DVF_ACTIVE) == 0)
return (ENXIO);
/* open the pipes if this is the first open */
ucom_lock(sc);
if (sc->sc_open++ == 0) {
s = splusb();
DPRINTF(("ucomopen: open pipes in=%d out=%d\n",
sc->sc_bulkin_no, sc->sc_bulkout_no));
DPRINTF(("ucomopen: hid %p pipes in=%p out=%p\n",
sc->sc_uhidev, sc->sc_ipipe, sc->sc_opipe));
if (sc->sc_bulkin_no != -1) {
/* Open the bulk pipes */
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin_no, 0,
&sc->sc_bulkin_pipe);
if (err) {
DPRINTF(("%s: open bulk out error (addr %d), err=%s\n",
sc->sc_dev.dv_xname, sc->sc_bulkin_no,
usbd_errstr(err)));
error = EIO;
goto fail_0;
}
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout_no,
USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
if (err) {
DPRINTF(("%s: open bulk in error (addr %d), err=%s\n",
sc->sc_dev.dv_xname, sc->sc_bulkout_no,
usbd_errstr(err)));
error = EIO;
goto fail_1;
}
/* Allocate a request and an input buffer and start reading. */
sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev);
if (sc->sc_ixfer == NULL) {
error = ENOMEM;
goto fail_2;
}
sc->sc_ibuf = usbd_alloc_buffer(sc->sc_ixfer,
sc->sc_ibufsizepad);
if (sc->sc_ibuf == NULL) {
error = ENOMEM;
goto fail_2;
}
sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
if (sc->sc_oxfer == NULL) {
error = ENOMEM;
goto fail_3;
}
} else {
/*
* input/output pipes and xfers already allocated
* as is the input buffer.
*/
sc->sc_ipipe = sc->sc_uhidev->sc_ipipe;
sc->sc_ixfer = sc->sc_uhidev->sc_ixfer;
sc->sc_opipe = sc->sc_uhidev->sc_opipe;
sc->sc_oxfer = sc->sc_uhidev->sc_oxfer;
}
sc->sc_obuf = usbd_alloc_buffer(sc->sc_oxfer,
sc->sc_obufsize + sc->sc_opkthdrlen);
if (sc->sc_obuf == NULL) {
error = ENOMEM;
goto fail_4;
}
if (sc->sc_methods->ucom_open != NULL) {
error = sc->sc_methods->ucom_open(sc->sc_parent,
sc->sc_portno);
if (error) {
ucom_cleanup(sc);
splx(s);
ucom_unlock(sc);
return (error);
}
}
ucom_status_change(sc);
ucomstartread(sc);
splx(s);
}
ucom_unlock(sc);
s = spltty();
tp = sc->sc_tty;
splx(s);
DPRINTF(("ucomopen: unit=%d, tp=%p\n", unit, tp));
tp->t_dev = dev;
if (!ISSET(tp->t_state, TS_ISOPEN)) {
SET(tp->t_state, TS_WOPEN);
ttychars(tp);
/*
* Initialize the termios status to the defaults. Add in the
* sticky bits from TIOCSFLAGS.
*/
t.c_ispeed = 0;
t.c_ospeed = TTYDEF_SPEED;
t.c_cflag = TTYDEF_CFLAG;
if (ISSET(sc->sc_swflags, TIOCFLAG_CLOCAL))
SET(t.c_cflag, CLOCAL);
if (ISSET(sc->sc_swflags, TIOCFLAG_CRTSCTS))
SET(t.c_cflag, CRTSCTS);
if (ISSET(sc->sc_swflags, TIOCFLAG_MDMBUF))
SET(t.c_cflag, MDMBUF);
/* Make sure ucomparam() will do something. */
tp->t_ospeed = 0;
(void) ucomparam(tp, &t);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_lflag = TTYDEF_LFLAG;
s = spltty();
ttsetwater(tp);
/*
* Turn on DTR. We must always do this, even if carrier is not
* present, because otherwise we'd have to use TIOCSDTR
* immediately after setting CLOCAL, which applications do not
* expect. We always assert DTR while the device is open
* unless explicitly requested to deassert it.
*/
ucom_dtr(sc, 1);
/* XXX CLR(sc->sc_rx_flags, RX_ANY_BLOCK);*/
ucom_hwiflow(sc);
if (ISSET(sc->sc_swflags, TIOCFLAG_SOFTCAR) || UCOMCUA(dev) ||
ISSET(sc->sc_msr, UMSR_DCD) || ISSET(tp->t_cflag, MDMBUF))
SET(tp->t_state, TS_CARR_ON);
else
CLR(tp->t_state, TS_CARR_ON);
} else if (ISSET(tp->t_state, TS_XCLUDE) && p->p_ucred->cr_uid != 0) {
error = EBUSY;
goto bad;
} else
s = spltty();
if (UCOMCUA(dev)) {
if (ISSET(tp->t_state, TS_ISOPEN)) {
/* Someone is already dialed in */
error = EBUSY;
goto bad1;
}
sc->sc_cua = 1;
} else {
/* tty (not cua) device, wait for carrier */
if (ISSET(flag, O_NONBLOCK)) {
if (sc->sc_cua) {
error = EBUSY;
goto bad1;
}
} else {
while (sc->sc_cua || (!ISSET(tp->t_cflag, CLOCAL) &&
!ISSET(tp->t_state, TS_CARR_ON))) {
SET(tp->t_state, TS_WOPEN);
error = ttysleep(tp, &tp->t_rawq,
TTIPRI | PCATCH, ttopen, 0);
/*
* If TS_WOPEN has been reset, that means the
* cua device has been closed. We don't want
* to fail in that case, so just go around
* again.
*/
if (error && ISSET(tp->t_state, TS_WOPEN)) {
CLR(tp->t_state, TS_WOPEN);
goto bad1;
}
}
}
}
splx(s);
error = ttyopen(UCOMUNIT(dev), tp);
if (error)
goto bad;
error = (*LINESW(tp, l_open))(dev, tp);
if (error)
goto bad;
return (0);
fail_4:
if (sc->sc_uhidev == NULL)
usbd_free_xfer(sc->sc_oxfer);
sc->sc_oxfer = NULL;
fail_3:
usbd_free_xfer(sc->sc_ixfer);
sc->sc_ixfer = NULL;
fail_2:
usbd_close_pipe(sc->sc_bulkout_pipe);
sc->sc_bulkout_pipe = NULL;
fail_1:
usbd_close_pipe(sc->sc_bulkin_pipe);
sc->sc_bulkin_pipe = NULL;
fail_0:
splx(s);
ucom_unlock(sc);
return (error);
bad1:
splx(s);
bad:
ucom_lock(sc);
ucom_cleanup(sc);
ucom_unlock(sc);
return (error);
}
int
ucomopen(dev_t dev, int flag, int mode, struct lwp *l)
{
int unit = UCOMUNIT(dev);
usbd_status err;
struct ucom_softc *sc = device_lookup_private(&ucom_cd, unit);
struct ucom_buffer *ub;
struct tty *tp;
int s, i;
int error;
if (sc == NULL)
return (ENXIO);
if (sc->sc_dying)
return (EIO);
if (!device_is_active(sc->sc_dev))
return (ENXIO);
tp = sc->sc_tty;
DPRINTF(("ucomopen: unit=%d, tp=%p\n", unit, tp));
if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
return (EBUSY);
s = spltty();
/*
* Do the following iff this is a first open.
*/
while (sc->sc_opening)
tsleep(&sc->sc_opening, PRIBIO, "ucomop", 0);
if (sc->sc_dying) {
splx(s);
return (EIO);
}
sc->sc_opening = 1;
if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) {
struct termios t;
tp->t_dev = dev;
if (sc->sc_methods->ucom_open != NULL) {
error = sc->sc_methods->ucom_open(sc->sc_parent,
sc->sc_portno);
if (error) {
ucom_cleanup(sc);
sc->sc_opening = 0;
wakeup(&sc->sc_opening);
splx(s);
return (error);
}
}
ucom_status_change(sc);
/*
* Initialize the termios status to the defaults. Add in the
* sticky bits from TIOCSFLAGS.
*/
t.c_ispeed = 0;
t.c_ospeed = TTYDEF_SPEED;
t.c_cflag = TTYDEF_CFLAG;
if (ISSET(sc->sc_swflags, TIOCFLAG_CLOCAL))
SET(t.c_cflag, CLOCAL);
if (ISSET(sc->sc_swflags, TIOCFLAG_CRTSCTS))
SET(t.c_cflag, CRTSCTS);
if (ISSET(sc->sc_swflags, TIOCFLAG_MDMBUF))
SET(t.c_cflag, MDMBUF);
/* Make sure ucomparam() will do something. */
tp->t_ospeed = 0;
(void) ucomparam(tp, &t);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_lflag = TTYDEF_LFLAG;
ttychars(tp);
ttsetwater(tp);
/*
* Turn on DTR. We must always do this, even if carrier is not
* present, because otherwise we'd have to use TIOCSDTR
* immediately after setting CLOCAL, which applications do not
* expect. We always assert DTR while the device is open
* unless explicitly requested to deassert it. Ditto RTS.
*/
ucom_dtr(sc, 1);
ucom_rts(sc, 1);
DPRINTF(("ucomopen: open pipes in=%d out=%d\n",
sc->sc_bulkin_no, sc->sc_bulkout_no));
/* Open the bulk pipes */
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin_no,
USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe);
if (err) {
DPRINTF(("%s: open bulk in error (addr %d), err=%s\n",
USBDEVNAME(sc->sc_dev), sc->sc_bulkin_no,
usbd_errstr(err)));
error = EIO;
goto fail_0;
}
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout_no,
USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
if (err) {
DPRINTF(("%s: open bulk out error (addr %d), err=%s\n",
USBDEVNAME(sc->sc_dev), sc->sc_bulkout_no,
usbd_errstr(err)));
error = EIO;
goto fail_1;
}
sc->sc_rx_unblock = 0;
sc->sc_rx_stopped = 0;
sc->sc_tx_stopped = 0;
memset(sc->sc_ibuff, 0, sizeof(sc->sc_ibuff));
memset(sc->sc_obuff, 0, sizeof(sc->sc_obuff));
SIMPLEQ_INIT(&sc->sc_ibuff_empty);
SIMPLEQ_INIT(&sc->sc_ibuff_full);
SIMPLEQ_INIT(&sc->sc_obuff_free);
SIMPLEQ_INIT(&sc->sc_obuff_full);
/* Allocate input buffers */
for (ub = &sc->sc_ibuff[0]; ub != &sc->sc_ibuff[UCOM_IN_BUFFS];
ub++) {
ub->ub_xfer = usbd_alloc_xfer(sc->sc_udev);
if (ub->ub_xfer == NULL) {
error = ENOMEM;
goto fail_2;
}
ub->ub_data = usbd_alloc_buffer(ub->ub_xfer,
sc->sc_ibufsizepad);
if (ub->ub_data == NULL) {
error = ENOMEM;
goto fail_2;
}
if (ucomsubmitread(sc, ub) != USBD_NORMAL_COMPLETION) {
error = EIO;
goto fail_2;
}
}
for (ub = &sc->sc_obuff[0]; ub != &sc->sc_obuff[UCOM_OUT_BUFFS];
ub++) {
ub->ub_xfer = usbd_alloc_xfer(sc->sc_udev);
if (ub->ub_xfer == NULL) {
error = ENOMEM;
goto fail_2;
}
ub->ub_data = usbd_alloc_buffer(ub->ub_xfer,
sc->sc_obufsize);
if (ub->ub_data == NULL) {
error = ENOMEM;
goto fail_2;
}
SIMPLEQ_INSERT_TAIL(&sc->sc_obuff_free, ub, ub_link);
}
}
sc->sc_opening = 0;
wakeup(&sc->sc_opening);
splx(s);
error = ttyopen(tp, UCOMDIALOUT(dev), ISSET(flag, O_NONBLOCK));
if (error)
goto bad;
error = (*tp->t_linesw->l_open)(dev, tp);
if (error)
goto bad;
return (0);
fail_2:
usbd_abort_pipe(sc->sc_bulkin_pipe);
for (i = 0; i < UCOM_IN_BUFFS; i++) {
if (sc->sc_ibuff[i].ub_xfer != NULL) {
usbd_free_xfer(sc->sc_ibuff[i].ub_xfer);
sc->sc_ibuff[i].ub_xfer = NULL;
sc->sc_ibuff[i].ub_data = NULL;
}
}
usbd_abort_pipe(sc->sc_bulkout_pipe);
for (i = 0; i < UCOM_OUT_BUFFS; i++) {
if (sc->sc_obuff[i].ub_xfer != NULL) {
usbd_free_xfer(sc->sc_obuff[i].ub_xfer);
sc->sc_obuff[i].ub_xfer = NULL;
sc->sc_obuff[i].ub_data = NULL;
}
}
usbd_close_pipe(sc->sc_bulkout_pipe);
sc->sc_bulkout_pipe = NULL;
fail_1:
usbd_close_pipe(sc->sc_bulkin_pipe);
sc->sc_bulkin_pipe = NULL;
fail_0:
sc->sc_opening = 0;
wakeup(&sc->sc_opening);
splx(s);
return (error);
bad:
s = spltty();
CLR(tp->t_state, TS_BUSY);
if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) {
/*
* We failed to open the device, and nobody else had it opened.
* Clean up the state as appropriate.
*/
ucom_cleanup(sc);
}
splx(s);
return (error);
}
void
umsm_intr(struct usbd_xfer *xfer, void *priv,
usbd_status status)
{
struct umsm_softc *sc = priv;
struct usb_cdc_notification *buf;
u_char mstatus;
buf = (struct usb_cdc_notification *)sc->sc_intr_buf;
if (usbd_is_dying(sc->sc_udev))
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: umsm_intr: abnormal status: %s\n",
sc->sc_dev.dv_xname, usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
if (buf->bmRequestType != UCDC_NOTIFICATION) {
#if 1 /* test */
printf("%s: this device is not using CDC notify message in intr pipe.\n"
"Please send your dmesg to <*****@*****.**>, thanks.\n",
sc->sc_dev.dv_xname);
printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
sc->sc_dev.dv_xname,
sc->sc_intr_buf[0], sc->sc_intr_buf[1],
sc->sc_intr_buf[2], sc->sc_intr_buf[3],
sc->sc_intr_buf[4], sc->sc_intr_buf[5],
sc->sc_intr_buf[6]);
#else
DPRINTF(("%s: umsm_intr: unknown message type(0x%02x)\n",
sc->sc_dev.dv_xname, buf->bmRequestType));
#endif
return;
}
if (buf->bNotification == UCDC_N_SERIAL_STATE) {
/* invalid message length, discard it */
if (UGETW(buf->wLength) != 2)
return;
/* XXX: sc_lsr is always 0 */
sc->sc_lsr = sc->sc_msr = 0;
mstatus = buf->data[0];
if (ISSET(mstatus, UCDC_N_SERIAL_RI))
sc->sc_msr |= UMSR_RI;
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
sc->sc_msr |= UMSR_DSR;
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
sc->sc_msr |= UMSR_DCD;
} else if (buf->bNotification != UCDC_N_CONNECTION_SPEED_CHANGE) {
DPRINTF(("%s: umsm_intr: unknown notify message (0x%02x)\n",
sc->sc_dev.dv_xname, buf->bNotification));
return;
}
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
}
