Lines Matching refs:serial
230 int (*write_data) (struct hso_serial *serial);
294 static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial);
295 static void hso_kick_transmit(struct hso_serial *serial);
312 static int hso_mux_serial_read(struct hso_serial *serial);
516 static int hso_urb_to_index(struct hso_serial *serial, struct urb *urb) in hso_urb_to_index() argument
520 for (idx = 0; idx < serial->num_rx_urbs; idx++) in hso_urb_to_index()
521 if (serial->rx_urb[idx] == urb) in hso_urb_to_index()
523 dev_err(serial->parent->dev, "hso_urb_to_index failed\n"); in hso_urb_to_index()
602 struct hso_serial *serial = NULL; in get_serial_by_index() local
607 serial = dev2ser(serial_table[index]); in get_serial_by_index()
610 return serial; in get_serial_by_index()
613 static int obtain_minor(struct hso_serial *serial) in obtain_minor() argument
621 serial_table[index] = serial->parent; in obtain_minor()
622 serial->minor = index; in obtain_minor()
633 static void release_minor(struct hso_serial *serial) in release_minor() argument
638 serial_table[serial->minor] = NULL; in release_minor()
1084 struct hso_serial *serial = tty->driver_data; in _hso_serial_set_termios() local
1086 if (!serial) { in _hso_serial_set_termios()
1091 hso_dbg(0x8, "port %d\n", serial->minor); in _hso_serial_set_termios()
1110 static void hso_resubmit_rx_bulk_urb(struct hso_serial *serial, struct urb *urb) in hso_resubmit_rx_bulk_urb() argument
1115 usb_fill_bulk_urb(urb, serial->parent->usb, in hso_resubmit_rx_bulk_urb()
1116 usb_rcvbulkpipe(serial->parent->usb, in hso_resubmit_rx_bulk_urb()
1117 serial->in_endp-> in hso_resubmit_rx_bulk_urb()
1119 urb->transfer_buffer, serial->rx_data_length, in hso_resubmit_rx_bulk_urb()
1120 hso_std_serial_read_bulk_callback, serial); in hso_resubmit_rx_bulk_urb()
1133 static void put_rxbuf_data_and_resubmit_bulk_urb(struct hso_serial *serial) in put_rxbuf_data_and_resubmit_bulk_urb() argument
1138 while (serial->rx_urb_filled[serial->curr_rx_urb_idx]) { in put_rxbuf_data_and_resubmit_bulk_urb()
1139 curr_urb = serial->rx_urb[serial->curr_rx_urb_idx]; in put_rxbuf_data_and_resubmit_bulk_urb()
1140 count = put_rxbuf_data(curr_urb, serial); in put_rxbuf_data_and_resubmit_bulk_urb()
1144 serial->curr_rx_urb_idx++; in put_rxbuf_data_and_resubmit_bulk_urb()
1145 if (serial->curr_rx_urb_idx >= serial->num_rx_urbs) in put_rxbuf_data_and_resubmit_bulk_urb()
1146 serial->curr_rx_urb_idx = 0; in put_rxbuf_data_and_resubmit_bulk_urb()
1147 hso_resubmit_rx_bulk_urb(serial, curr_urb); in put_rxbuf_data_and_resubmit_bulk_urb()
1152 static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial) in put_rxbuf_data_and_resubmit_ctrl_urb() argument
1157 urb = serial->rx_urb[0]; in put_rxbuf_data_and_resubmit_ctrl_urb()
1158 if (serial->port.count > 0) { in put_rxbuf_data_and_resubmit_ctrl_urb()
1159 count = put_rxbuf_data(urb, serial); in put_rxbuf_data_and_resubmit_ctrl_urb()
1166 (serial->rx_state == RX_PENDING))) { in put_rxbuf_data_and_resubmit_ctrl_urb()
1167 serial->rx_state = RX_SENT; in put_rxbuf_data_and_resubmit_ctrl_urb()
1168 hso_mux_serial_read(serial); in put_rxbuf_data_and_resubmit_ctrl_urb()
1170 serial->rx_state = RX_IDLE; in put_rxbuf_data_and_resubmit_ctrl_urb()
1177 struct hso_serial *serial = urb->context; in hso_std_serial_read_bulk_callback() local
1184 if (!serial) { in hso_std_serial_read_bulk_callback()
1189 handle_usb_error(status, __func__, serial->parent); in hso_std_serial_read_bulk_callback()
1197 if (serial->port.count == 0) in hso_std_serial_read_bulk_callback()
1200 if (serial->parent->port_spec & HSO_INFO_CRC_BUG) in hso_std_serial_read_bulk_callback()
1201 fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); in hso_std_serial_read_bulk_callback()
1203 spin_lock_irqsave(&serial->serial_lock, flags); in hso_std_serial_read_bulk_callback()
1204 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; in hso_std_serial_read_bulk_callback()
1205 put_rxbuf_data_and_resubmit_bulk_urb(serial); in hso_std_serial_read_bulk_callback()
1206 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_std_serial_read_bulk_callback()
1215 struct hso_serial *serial = from_tasklet(serial, t, in hso_unthrottle_tasklet() local
1219 spin_lock_irqsave(&serial->serial_lock, flags); in hso_unthrottle_tasklet()
1220 if ((serial->parent->port_spec & HSO_INTF_MUX)) in hso_unthrottle_tasklet()
1221 put_rxbuf_data_and_resubmit_ctrl_urb(serial); in hso_unthrottle_tasklet()
1223 put_rxbuf_data_and_resubmit_bulk_urb(serial); in hso_unthrottle_tasklet()
1224 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_unthrottle_tasklet()
1229 struct hso_serial *serial = tty->driver_data; in hso_unthrottle() local
1231 tasklet_hi_schedule(&serial->unthrottle_tasklet); in hso_unthrottle()
1237 struct hso_serial *serial = get_serial_by_index(tty->index); in hso_serial_open() local
1241 if (serial == NULL || serial->magic != HSO_SERIAL_MAGIC) { in hso_serial_open()
1248 mutex_lock(&serial->parent->mutex); in hso_serial_open()
1249 result = usb_autopm_get_interface(serial->parent->interface); in hso_serial_open()
1253 hso_dbg(0x1, "Opening %d\n", serial->minor); in hso_serial_open()
1256 tty->driver_data = serial; in hso_serial_open()
1257 tty_port_tty_set(&serial->port, tty); in hso_serial_open()
1260 serial->port.count++; in hso_serial_open()
1261 if (serial->port.count == 1) { in hso_serial_open()
1262 serial->rx_state = RX_IDLE; in hso_serial_open()
1265 tasklet_setup(&serial->unthrottle_tasklet, in hso_serial_open()
1267 result = hso_start_serial_device(serial->parent, GFP_KERNEL); in hso_serial_open()
1269 hso_stop_serial_device(serial->parent); in hso_serial_open()
1270 serial->port.count--; in hso_serial_open()
1272 kref_get(&serial->parent->ref); in hso_serial_open()
1278 usb_autopm_put_interface(serial->parent->interface); in hso_serial_open()
1284 mutex_unlock(&serial->parent->mutex); in hso_serial_open()
1291 struct hso_serial *serial = tty->driver_data; in hso_serial_close() local
1297 if (serial == NULL) in hso_serial_close()
1300 mutex_lock(&serial->parent->mutex); in hso_serial_close()
1301 usb_gone = serial->parent->usb_gone; in hso_serial_close()
1304 usb_autopm_get_interface(serial->parent->interface); in hso_serial_close()
1308 serial->port.count--; in hso_serial_close()
1310 if (serial->port.count <= 0) { in hso_serial_close()
1311 serial->port.count = 0; in hso_serial_close()
1312 tty_port_tty_set(&serial->port, NULL); in hso_serial_close()
1314 hso_stop_serial_device(serial->parent); in hso_serial_close()
1315 tasklet_kill(&serial->unthrottle_tasklet); in hso_serial_close()
1319 usb_autopm_put_interface(serial->parent->interface); in hso_serial_close()
1321 mutex_unlock(&serial->parent->mutex); in hso_serial_close()
1328 struct hso_serial *serial = tty->driver_data; in hso_serial_write() local
1333 if (serial == NULL) { in hso_serial_write()
1338 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_write()
1340 space = serial->tx_data_length - serial->tx_buffer_count; in hso_serial_write()
1346 memcpy(serial->tx_buffer + serial->tx_buffer_count, buf, tx_bytes); in hso_serial_write()
1347 serial->tx_buffer_count += tx_bytes; in hso_serial_write()
1350 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_write()
1352 hso_kick_transmit(serial); in hso_serial_write()
1360 struct hso_serial *serial = tty->driver_data; in hso_serial_write_room() local
1364 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_write_room()
1365 room = serial->tx_data_length - serial->tx_buffer_count; in hso_serial_write_room()
1366 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_write_room()
1374 struct hso_serial *serial = tty->driver_data; in hso_serial_cleanup() local
1376 if (!serial) in hso_serial_cleanup()
1379 kref_put(&serial->parent->ref, hso_serial_ref_free); in hso_serial_cleanup()
1386 struct hso_serial *serial = tty->driver_data; in hso_serial_set_termios() local
1395 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_set_termios()
1396 if (serial->port.count) in hso_serial_set_termios()
1400 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_set_termios()
1408 struct hso_serial *serial = tty->driver_data; in hso_serial_chars_in_buffer() local
1413 if (serial == NULL) in hso_serial_chars_in_buffer()
1416 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_chars_in_buffer()
1417 chars = serial->tx_buffer_count; in hso_serial_chars_in_buffer()
1418 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_chars_in_buffer()
1422 static int tiocmget_submit_urb(struct hso_serial *serial, in tiocmget_submit_urb() argument
1428 if (serial->parent->usb_gone) in tiocmget_submit_urb()
1436 tiocmget_intr_callback, serial, in tiocmget_submit_urb()
1449 struct hso_serial *serial = urb->context; in tiocmget_intr_callback() local
1460 if (!serial) in tiocmget_intr_callback()
1463 handle_usb_error(status, __func__, serial->parent); in tiocmget_intr_callback()
1468 tiocmget = serial->tiocmget; in tiocmget_intr_callback()
1471 BUG_ON((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM); in tiocmget_intr_callback()
1473 usb = serial->parent->usb; in tiocmget_intr_callback()
1474 interface = serial->parent->interface; in tiocmget_intr_callback()
1498 spin_lock_irqsave(&serial->serial_lock, flags); in tiocmget_intr_callback()
1521 spin_unlock_irqrestore(&serial->serial_lock, flags); in tiocmget_intr_callback()
1527 tiocmget_submit_urb(serial, in tiocmget_intr_callback()
1529 serial->parent->usb); in tiocmget_intr_callback()
1541 hso_wait_modem_status(struct hso_serial *serial, unsigned long arg) in hso_wait_modem_status() argument
1548 tiocmget = serial->tiocmget; in hso_wait_modem_status()
1554 spin_lock_irq(&serial->serial_lock); in hso_wait_modem_status()
1556 spin_unlock_irq(&serial->serial_lock); in hso_wait_modem_status()
1559 spin_lock_irq(&serial->serial_lock); in hso_wait_modem_status()
1561 spin_unlock_irq(&serial->serial_lock); in hso_wait_modem_status()
1593 struct hso_serial *serial = tty->driver_data; in hso_get_count() local
1594 struct hso_tiocmget *tiocmget = serial->tiocmget; in hso_get_count()
1600 spin_lock_irq(&serial->serial_lock); in hso_get_count()
1602 spin_unlock_irq(&serial->serial_lock); in hso_get_count()
1623 struct hso_serial *serial = tty->driver_data; in hso_serial_tiocmget() local
1628 if (!serial) { in hso_serial_tiocmget()
1632 spin_lock_irq(&serial->serial_lock); in hso_serial_tiocmget()
1633 retval = ((serial->rts_state) ? TIOCM_RTS : 0) | in hso_serial_tiocmget()
1634 ((serial->dtr_state) ? TIOCM_DTR : 0); in hso_serial_tiocmget()
1635 tiocmget = serial->tiocmget; in hso_serial_tiocmget()
1647 spin_unlock_irq(&serial->serial_lock); in hso_serial_tiocmget()
1657 struct hso_serial *serial = tty->driver_data; in hso_serial_tiocmset() local
1661 if (!serial) { in hso_serial_tiocmset()
1666 if ((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM) in hso_serial_tiocmset()
1669 interface = serial->parent->interface; in hso_serial_tiocmset()
1672 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_tiocmset()
1674 serial->rts_state = 1; in hso_serial_tiocmset()
1676 serial->dtr_state = 1; in hso_serial_tiocmset()
1679 serial->rts_state = 0; in hso_serial_tiocmset()
1681 serial->dtr_state = 0; in hso_serial_tiocmset()
1683 if (serial->dtr_state) in hso_serial_tiocmset()
1685 if (serial->rts_state) in hso_serial_tiocmset()
1688 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_tiocmset()
1690 return usb_control_msg(serial->parent->usb, in hso_serial_tiocmset()
1691 usb_sndctrlpipe(serial->parent->usb, 0), 0x22, in hso_serial_tiocmset()
1699 struct hso_serial *serial = tty->driver_data; in hso_serial_ioctl() local
1703 if (!serial) in hso_serial_ioctl()
1707 ret = hso_wait_modem_status(serial, arg); in hso_serial_ioctl()
1718 static void hso_kick_transmit(struct hso_serial *serial) in hso_kick_transmit() argument
1723 spin_lock_irqsave(&serial->serial_lock, flags); in hso_kick_transmit()
1724 if (!serial->tx_buffer_count) in hso_kick_transmit()
1727 if (serial->tx_urb_used) in hso_kick_transmit()
1731 if (hso_get_activity(serial->parent) == -EAGAIN) in hso_kick_transmit()
1735 swap(serial->tx_buffer, serial->tx_data); in hso_kick_transmit()
1736 serial->tx_data_count = serial->tx_buffer_count; in hso_kick_transmit()
1737 serial->tx_buffer_count = 0; in hso_kick_transmit()
1740 if (serial->tx_data && serial->write_data) { in hso_kick_transmit()
1741 res = serial->write_data(serial); in hso_kick_transmit()
1743 serial->tx_urb_used = 1; in hso_kick_transmit()
1746 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_kick_transmit()
1750 static int mux_device_request(struct hso_serial *serial, u8 type, u16 port, in mux_device_request() argument
1759 if (!serial || !ctrl_urb || !ctrl_req) { in mux_device_request()
1775 pipe = usb_rcvctrlpipe(serial->parent->usb, 0); in mux_device_request()
1782 pipe = usb_sndctrlpipe(serial->parent->usb, 0); in mux_device_request()
1792 serial->parent->usb, in mux_device_request()
1795 ctrl_urb_data, size, ctrl_callback, serial); in mux_device_request()
1810 static int hso_mux_serial_read(struct hso_serial *serial) in hso_mux_serial_read() argument
1812 if (!serial) in hso_mux_serial_read()
1816 memset(serial->rx_data[0], 0, CTRL_URB_RX_SIZE); in hso_mux_serial_read()
1819 if (serial->num_rx_urbs != 1) { in hso_mux_serial_read()
1820 dev_err(&serial->parent->interface->dev, in hso_mux_serial_read()
1825 return mux_device_request(serial, in hso_mux_serial_read()
1827 serial->parent->port_spec & HSO_PORT_MASK, in hso_mux_serial_read()
1828 serial->rx_urb[0], in hso_mux_serial_read()
1829 &serial->ctrl_req_rx, in hso_mux_serial_read()
1830 serial->rx_data[0], serial->rx_data_length); in hso_mux_serial_read()
1837 struct hso_serial *serial; in intr_callback() local
1863 serial = get_serial_by_shared_int_and_type(shared_int, in intr_callback()
1865 if (serial != NULL) { in intr_callback()
1868 spin_lock_irqsave(&serial->serial_lock, flags); in intr_callback()
1869 if (serial->rx_state == RX_IDLE && in intr_callback()
1870 serial->port.count > 0) { in intr_callback()
1873 if (!serial->rx_urb_filled[0]) { in intr_callback()
1874 serial->rx_state = RX_SENT; in intr_callback()
1875 hso_mux_serial_read(serial); in intr_callback()
1877 serial->rx_state = RX_PENDING; in intr_callback()
1882 spin_unlock_irqrestore(&serial->serial_lock, in intr_callback()
1892 static int hso_mux_serial_write_data(struct hso_serial *serial) in hso_mux_serial_write_data() argument
1894 if (NULL == serial) in hso_mux_serial_write_data()
1897 return mux_device_request(serial, in hso_mux_serial_write_data()
1899 serial->parent->port_spec & HSO_PORT_MASK, in hso_mux_serial_write_data()
1900 serial->tx_urb, in hso_mux_serial_write_data()
1901 &serial->ctrl_req_tx, in hso_mux_serial_write_data()
1902 serial->tx_data, serial->tx_data_count); in hso_mux_serial_write_data()
1908 struct hso_serial *serial = urb->context; in hso_std_serial_write_bulk_callback() local
1913 if (!serial) { in hso_std_serial_write_bulk_callback()
1918 spin_lock_irqsave(&serial->serial_lock, flags); in hso_std_serial_write_bulk_callback()
1919 serial->tx_urb_used = 0; in hso_std_serial_write_bulk_callback()
1920 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_std_serial_write_bulk_callback()
1922 handle_usb_error(status, __func__, serial->parent); in hso_std_serial_write_bulk_callback()
1925 hso_put_activity(serial->parent); in hso_std_serial_write_bulk_callback()
1926 tty_port_tty_wakeup(&serial->port); in hso_std_serial_write_bulk_callback()
1927 hso_kick_transmit(serial); in hso_std_serial_write_bulk_callback()
1933 static int hso_std_serial_write_data(struct hso_serial *serial) in hso_std_serial_write_data() argument
1935 int count = serial->tx_data_count; in hso_std_serial_write_data()
1938 usb_fill_bulk_urb(serial->tx_urb, in hso_std_serial_write_data()
1939 serial->parent->usb, in hso_std_serial_write_data()
1940 usb_sndbulkpipe(serial->parent->usb, in hso_std_serial_write_data()
1941 serial->out_endp-> in hso_std_serial_write_data()
1943 serial->tx_data, serial->tx_data_count, in hso_std_serial_write_data()
1944 hso_std_serial_write_bulk_callback, serial); in hso_std_serial_write_data()
1946 result = usb_submit_urb(serial->tx_urb, GFP_ATOMIC); in hso_std_serial_write_data()
1948 dev_warn(&serial->parent->usb->dev, in hso_std_serial_write_data()
1959 struct hso_serial *serial = urb->context; in ctrl_callback() local
1965 if (!serial) in ctrl_callback()
1968 spin_lock_irqsave(&serial->serial_lock, flags); in ctrl_callback()
1969 serial->tx_urb_used = 0; in ctrl_callback()
1970 spin_unlock_irqrestore(&serial->serial_lock, flags); in ctrl_callback()
1972 handle_usb_error(status, __func__, serial->parent); in ctrl_callback()
1985 serial->rx_urb_filled[0] = 1; in ctrl_callback()
1986 spin_lock_irqsave(&serial->serial_lock, flags); in ctrl_callback()
1987 put_rxbuf_data_and_resubmit_ctrl_urb(serial); in ctrl_callback()
1988 spin_unlock_irqrestore(&serial->serial_lock, flags); in ctrl_callback()
1990 hso_put_activity(serial->parent); in ctrl_callback()
1991 tty_port_tty_wakeup(&serial->port); in ctrl_callback()
1993 hso_kick_transmit(serial); in ctrl_callback()
1998 static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) in put_rxbuf_data() argument
2004 if (urb == NULL || serial == NULL) { in put_rxbuf_data()
2009 tty = tty_port_tty_get(&serial->port); in put_rxbuf_data()
2018 count = tty_buffer_request_room(&serial->port, urb->actual_length); in put_rxbuf_data()
2020 tty_insert_flip_string(&serial->port, urb->transfer_buffer, in put_rxbuf_data()
2022 tty_flip_buffer_push(&serial->port); in put_rxbuf_data()
2024 dev_warn(&serial->parent->usb->dev, in put_rxbuf_data()
2030 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; in put_rxbuf_data()
2143 struct hso_serial *serial = dev2ser(hso_dev); in hso_start_serial_device() local
2145 if (!serial) in hso_start_serial_device()
2150 if (!(serial->parent->port_spec & HSO_INTF_MUX)) { in hso_start_serial_device()
2151 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_start_serial_device()
2152 usb_fill_bulk_urb(serial->rx_urb[i], in hso_start_serial_device()
2153 serial->parent->usb, in hso_start_serial_device()
2154 usb_rcvbulkpipe(serial->parent->usb, in hso_start_serial_device()
2155 serial->in_endp-> in hso_start_serial_device()
2158 serial->rx_data[i], in hso_start_serial_device()
2159 serial->rx_data_length, in hso_start_serial_device()
2161 serial); in hso_start_serial_device()
2162 result = usb_submit_urb(serial->rx_urb[i], flags); in hso_start_serial_device()
2164 dev_warn(&serial->parent->usb->dev, in hso_start_serial_device()
2171 mutex_lock(&serial->shared_int->shared_int_lock); in hso_start_serial_device()
2172 if (!serial->shared_int->use_count) { in hso_start_serial_device()
2174 hso_mux_submit_intr_urb(serial->shared_int, in hso_start_serial_device()
2177 serial->shared_int->use_count++; in hso_start_serial_device()
2178 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_start_serial_device()
2180 if (serial->tiocmget) in hso_start_serial_device()
2181 tiocmget_submit_urb(serial, in hso_start_serial_device()
2182 serial->tiocmget, in hso_start_serial_device()
2183 serial->parent->usb); in hso_start_serial_device()
2190 struct hso_serial *serial = dev2ser(hso_dev); in hso_stop_serial_device() local
2193 if (!serial) in hso_stop_serial_device()
2196 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_stop_serial_device()
2197 if (serial->rx_urb[i]) { in hso_stop_serial_device()
2198 usb_kill_urb(serial->rx_urb[i]); in hso_stop_serial_device()
2199 serial->rx_urb_filled[i] = 0; in hso_stop_serial_device()
2202 serial->curr_rx_urb_idx = 0; in hso_stop_serial_device()
2204 if (serial->tx_urb) in hso_stop_serial_device()
2205 usb_kill_urb(serial->tx_urb); in hso_stop_serial_device()
2207 if (serial->shared_int) { in hso_stop_serial_device()
2208 mutex_lock(&serial->shared_int->shared_int_lock); in hso_stop_serial_device()
2209 if (serial->shared_int->use_count && in hso_stop_serial_device()
2210 (--serial->shared_int->use_count == 0)) { in hso_stop_serial_device()
2213 urb = serial->shared_int->shared_intr_urb; in hso_stop_serial_device()
2217 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_stop_serial_device()
2219 tiocmget = serial->tiocmget; in hso_stop_serial_device()
2228 static void hso_serial_tty_unregister(struct hso_serial *serial) in hso_serial_tty_unregister() argument
2230 tty_unregister_device(tty_drv, serial->minor); in hso_serial_tty_unregister()
2231 release_minor(serial); in hso_serial_tty_unregister()
2234 static void hso_serial_common_free(struct hso_serial *serial) in hso_serial_common_free() argument
2238 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_serial_common_free()
2240 usb_free_urb(serial->rx_urb[i]); in hso_serial_common_free()
2242 kfree(serial->rx_data[i]); in hso_serial_common_free()
2246 usb_free_urb(serial->tx_urb); in hso_serial_common_free()
2247 kfree(serial->tx_buffer); in hso_serial_common_free()
2248 kfree(serial->tx_data); in hso_serial_common_free()
2249 tty_port_destroy(&serial->port); in hso_serial_common_free()
2252 static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, in hso_serial_common_create() argument
2257 tty_port_init(&serial->port); in hso_serial_common_create()
2259 if (obtain_minor(serial)) in hso_serial_common_create()
2263 serial->parent->dev = tty_port_register_device_attr(&serial->port, in hso_serial_common_create()
2264 tty_drv, serial->minor, &serial->parent->interface->dev, in hso_serial_common_create()
2265 serial->parent, hso_serial_dev_groups); in hso_serial_common_create()
2266 if (IS_ERR(serial->parent->dev)) { in hso_serial_common_create()
2267 release_minor(serial); in hso_serial_common_create()
2271 serial->magic = HSO_SERIAL_MAGIC; in hso_serial_common_create()
2272 spin_lock_init(&serial->serial_lock); in hso_serial_common_create()
2273 serial->num_rx_urbs = num_urbs; in hso_serial_common_create()
2278 serial->rx_data_length = rx_size; in hso_serial_common_create()
2279 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_serial_common_create()
2280 serial->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); in hso_serial_common_create()
2281 if (!serial->rx_urb[i]) in hso_serial_common_create()
2283 serial->rx_urb[i]->transfer_buffer = NULL; in hso_serial_common_create()
2284 serial->rx_urb[i]->transfer_buffer_length = 0; in hso_serial_common_create()
2285 serial->rx_data[i] = kzalloc(serial->rx_data_length, in hso_serial_common_create()
2287 if (!serial->rx_data[i]) in hso_serial_common_create()
2292 serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL); in hso_serial_common_create()
2293 if (!serial->tx_urb) in hso_serial_common_create()
2295 serial->tx_urb->transfer_buffer = NULL; in hso_serial_common_create()
2296 serial->tx_urb->transfer_buffer_length = 0; in hso_serial_common_create()
2298 serial->tx_data_count = 0; in hso_serial_common_create()
2299 serial->tx_buffer_count = 0; in hso_serial_common_create()
2300 serial->tx_data_length = tx_size; in hso_serial_common_create()
2301 serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL); in hso_serial_common_create()
2302 if (!serial->tx_data) in hso_serial_common_create()
2305 serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL); in hso_serial_common_create()
2306 if (!serial->tx_buffer) in hso_serial_common_create()
2311 hso_serial_tty_unregister(serial); in hso_serial_common_create()
2313 hso_serial_common_free(serial); in hso_serial_common_create()
2576 static void hso_free_tiomget(struct hso_serial *serial) in hso_free_tiomget() argument
2579 if (!serial) in hso_free_tiomget()
2581 tiocmget = serial->tiocmget; in hso_free_tiomget()
2585 serial->tiocmget = NULL; in hso_free_tiomget()
2595 struct hso_serial *serial = dev2ser(hso_dev); in hso_free_serial_device() local
2597 if (!serial) in hso_free_serial_device()
2600 hso_serial_common_free(serial); in hso_free_serial_device()
2602 if (serial->shared_int) { in hso_free_serial_device()
2603 mutex_lock(&serial->shared_int->shared_int_lock); in hso_free_serial_device()
2604 if (--serial->shared_int->ref_count == 0) in hso_free_serial_device()
2605 hso_free_shared_int(serial->shared_int); in hso_free_serial_device()
2607 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_free_serial_device()
2609 hso_free_tiomget(serial); in hso_free_serial_device()
2610 kfree(serial); in hso_free_serial_device()
2619 struct hso_serial *serial; in hso_create_bulk_serial_device() local
2627 serial = kzalloc(sizeof(*serial), GFP_KERNEL); in hso_create_bulk_serial_device()
2628 if (!serial) in hso_create_bulk_serial_device()
2631 serial->parent = hso_dev; in hso_create_bulk_serial_device()
2632 hso_dev->port_data.dev_serial = serial; in hso_create_bulk_serial_device()
2636 serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget), in hso_create_bulk_serial_device()
2638 if (!serial->tiocmget) in hso_create_bulk_serial_device()
2640 serial->tiocmget->serial_state_notification in hso_create_bulk_serial_device()
2643 if (!serial->tiocmget->serial_state_notification) in hso_create_bulk_serial_device()
2645 tiocmget = serial->tiocmget; in hso_create_bulk_serial_device()
2664 if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE, in hso_create_bulk_serial_device()
2668 serial->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, in hso_create_bulk_serial_device()
2670 if (!serial->in_endp) { in hso_create_bulk_serial_device()
2676 (serial->out_endp = in hso_create_bulk_serial_device()
2682 serial->write_data = hso_std_serial_write_data; in hso_create_bulk_serial_device()
2691 hso_serial_tty_unregister(serial); in hso_create_bulk_serial_device()
2692 hso_serial_common_free(serial); in hso_create_bulk_serial_device()
2694 hso_free_tiomget(serial); in hso_create_bulk_serial_device()
2695 kfree(serial); in hso_create_bulk_serial_device()
2707 struct hso_serial *serial; in hso_create_mux_serial_device() local
2721 serial = kzalloc(sizeof(*serial), GFP_KERNEL); in hso_create_mux_serial_device()
2722 if (!serial) in hso_create_mux_serial_device()
2725 hso_dev->port_data.dev_serial = serial; in hso_create_mux_serial_device()
2726 serial->parent = hso_dev; in hso_create_mux_serial_device()
2729 (serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE)) in hso_create_mux_serial_device()
2732 serial->tx_data_length--; in hso_create_mux_serial_device()
2733 serial->write_data = hso_mux_serial_write_data; in hso_create_mux_serial_device()
2735 serial->shared_int = mux; in hso_create_mux_serial_device()
2736 mutex_lock(&serial->shared_int->shared_int_lock); in hso_create_mux_serial_device()
2737 serial->shared_int->ref_count++; in hso_create_mux_serial_device()
2738 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_create_mux_serial_device()
2747 kfree(serial); in hso_create_mux_serial_device()
3107 struct hso_serial *serial; in hso_free_interface() local
3113 serial = dev2ser(serial_table[i]); in hso_free_interface()
3114 tty_port_tty_hangup(&serial->port, false); in hso_free_interface()
3115 mutex_lock(&serial->parent->mutex); in hso_free_interface()
3116 serial->parent->usb_gone = 1; in hso_free_interface()
3117 mutex_unlock(&serial->parent->mutex); in hso_free_interface()
3120 hso_serial_tty_unregister(serial); in hso_free_interface()
3121 kref_put(&serial->parent->ref, hso_serial_ref_free); in hso_free_interface()