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);
517 static int hso_urb_to_index(struct hso_serial *serial, struct urb *urb) in hso_urb_to_index() argument
521 for (idx = 0; idx < serial->num_rx_urbs; idx++) in hso_urb_to_index()
522 if (serial->rx_urb[idx] == urb) in hso_urb_to_index()
524 dev_err(serial->parent->dev, "hso_urb_to_index failed\n"); in hso_urb_to_index()
603 struct hso_serial *serial = NULL; in get_serial_by_index() local
608 serial = dev2ser(serial_table[index]); in get_serial_by_index()
611 return serial; in get_serial_by_index()
614 static int obtain_minor(struct hso_serial *serial) in obtain_minor() argument
622 serial_table[index] = serial->parent; in obtain_minor()
623 serial->minor = index; in obtain_minor()
634 static void release_minor(struct hso_serial *serial) in release_minor() argument
639 serial_table[serial->minor] = NULL; in release_minor()
1086 struct hso_serial *serial = tty->driver_data; in _hso_serial_set_termios() local
1088 if (!serial) { in _hso_serial_set_termios()
1093 hso_dbg(0x8, "port %d\n", serial->minor); in _hso_serial_set_termios()
1112 static void hso_resubmit_rx_bulk_urb(struct hso_serial *serial, struct urb *urb) in hso_resubmit_rx_bulk_urb() argument
1117 usb_fill_bulk_urb(urb, serial->parent->usb, in hso_resubmit_rx_bulk_urb()
1118 usb_rcvbulkpipe(serial->parent->usb, in hso_resubmit_rx_bulk_urb()
1119 serial->in_endp-> in hso_resubmit_rx_bulk_urb()
1121 urb->transfer_buffer, serial->rx_data_length, in hso_resubmit_rx_bulk_urb()
1122 hso_std_serial_read_bulk_callback, serial); in hso_resubmit_rx_bulk_urb()
1135 static void put_rxbuf_data_and_resubmit_bulk_urb(struct hso_serial *serial) in put_rxbuf_data_and_resubmit_bulk_urb() argument
1140 while (serial->rx_urb_filled[serial->curr_rx_urb_idx]) { in put_rxbuf_data_and_resubmit_bulk_urb()
1141 curr_urb = serial->rx_urb[serial->curr_rx_urb_idx]; in put_rxbuf_data_and_resubmit_bulk_urb()
1142 count = put_rxbuf_data(curr_urb, serial); in put_rxbuf_data_and_resubmit_bulk_urb()
1146 serial->curr_rx_urb_idx++; in put_rxbuf_data_and_resubmit_bulk_urb()
1147 if (serial->curr_rx_urb_idx >= serial->num_rx_urbs) in put_rxbuf_data_and_resubmit_bulk_urb()
1148 serial->curr_rx_urb_idx = 0; in put_rxbuf_data_and_resubmit_bulk_urb()
1149 hso_resubmit_rx_bulk_urb(serial, curr_urb); in put_rxbuf_data_and_resubmit_bulk_urb()
1154 static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial) in put_rxbuf_data_and_resubmit_ctrl_urb() argument
1159 urb = serial->rx_urb[0]; in put_rxbuf_data_and_resubmit_ctrl_urb()
1160 if (serial->port.count > 0) { in put_rxbuf_data_and_resubmit_ctrl_urb()
1161 count = put_rxbuf_data(urb, serial); in put_rxbuf_data_and_resubmit_ctrl_urb()
1168 (serial->rx_state == RX_PENDING))) { in put_rxbuf_data_and_resubmit_ctrl_urb()
1169 serial->rx_state = RX_SENT; in put_rxbuf_data_and_resubmit_ctrl_urb()
1170 hso_mux_serial_read(serial); in put_rxbuf_data_and_resubmit_ctrl_urb()
1172 serial->rx_state = RX_IDLE; in put_rxbuf_data_and_resubmit_ctrl_urb()
1179 struct hso_serial *serial = urb->context; in hso_std_serial_read_bulk_callback() local
1186 if (!serial) { in hso_std_serial_read_bulk_callback()
1191 handle_usb_error(status, __func__, serial->parent); in hso_std_serial_read_bulk_callback()
1199 if (serial->port.count == 0) in hso_std_serial_read_bulk_callback()
1202 if (serial->parent->port_spec & HSO_INFO_CRC_BUG) in hso_std_serial_read_bulk_callback()
1203 fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); in hso_std_serial_read_bulk_callback()
1205 spin_lock_irqsave(&serial->serial_lock, flags); in hso_std_serial_read_bulk_callback()
1206 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; in hso_std_serial_read_bulk_callback()
1207 put_rxbuf_data_and_resubmit_bulk_urb(serial); in hso_std_serial_read_bulk_callback()
1208 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_std_serial_read_bulk_callback()
1217 struct hso_serial *serial = (struct hso_serial *)data; in hso_unthrottle_tasklet() local
1220 spin_lock_irqsave(&serial->serial_lock, flags); in hso_unthrottle_tasklet()
1221 if ((serial->parent->port_spec & HSO_INTF_MUX)) in hso_unthrottle_tasklet()
1222 put_rxbuf_data_and_resubmit_ctrl_urb(serial); in hso_unthrottle_tasklet()
1224 put_rxbuf_data_and_resubmit_bulk_urb(serial); in hso_unthrottle_tasklet()
1225 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_unthrottle_tasklet()
1230 struct hso_serial *serial = tty->driver_data; in hso_unthrottle() local
1232 tasklet_hi_schedule(&serial->unthrottle_tasklet); in hso_unthrottle()
1238 struct hso_serial *serial = get_serial_by_index(tty->index); in hso_serial_open() local
1242 if (serial == NULL || serial->magic != HSO_SERIAL_MAGIC) { in hso_serial_open()
1249 mutex_lock(&serial->parent->mutex); in hso_serial_open()
1250 result = usb_autopm_get_interface(serial->parent->interface); in hso_serial_open()
1254 hso_dbg(0x1, "Opening %d\n", serial->minor); in hso_serial_open()
1257 tty->driver_data = serial; in hso_serial_open()
1258 tty_port_tty_set(&serial->port, tty); in hso_serial_open()
1261 serial->port.count++; in hso_serial_open()
1262 if (serial->port.count == 1) { in hso_serial_open()
1263 serial->rx_state = RX_IDLE; in hso_serial_open()
1266 tasklet_init(&serial->unthrottle_tasklet, in hso_serial_open()
1268 (unsigned long)serial); in hso_serial_open()
1269 result = hso_start_serial_device(serial->parent, GFP_KERNEL); in hso_serial_open()
1271 hso_stop_serial_device(serial->parent); in hso_serial_open()
1272 serial->port.count--; in hso_serial_open()
1274 kref_get(&serial->parent->ref); in hso_serial_open()
1280 usb_autopm_put_interface(serial->parent->interface); in hso_serial_open()
1286 mutex_unlock(&serial->parent->mutex); in hso_serial_open()
1293 struct hso_serial *serial = tty->driver_data; in hso_serial_close() local
1299 if (serial == NULL) in hso_serial_close()
1302 mutex_lock(&serial->parent->mutex); in hso_serial_close()
1303 usb_gone = serial->parent->usb_gone; in hso_serial_close()
1306 usb_autopm_get_interface(serial->parent->interface); in hso_serial_close()
1310 serial->port.count--; in hso_serial_close()
1312 if (serial->port.count <= 0) { in hso_serial_close()
1313 serial->port.count = 0; in hso_serial_close()
1314 tty_port_tty_set(&serial->port, NULL); in hso_serial_close()
1316 hso_stop_serial_device(serial->parent); in hso_serial_close()
1317 tasklet_kill(&serial->unthrottle_tasklet); in hso_serial_close()
1321 usb_autopm_put_interface(serial->parent->interface); in hso_serial_close()
1323 mutex_unlock(&serial->parent->mutex); in hso_serial_close()
1330 struct hso_serial *serial = tty->driver_data; in hso_serial_write() local
1335 if (serial == NULL) { in hso_serial_write()
1340 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_write()
1342 space = serial->tx_data_length - serial->tx_buffer_count; in hso_serial_write()
1348 memcpy(serial->tx_buffer + serial->tx_buffer_count, buf, tx_bytes); in hso_serial_write()
1349 serial->tx_buffer_count += tx_bytes; in hso_serial_write()
1352 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_write()
1354 hso_kick_transmit(serial); in hso_serial_write()
1362 struct hso_serial *serial = tty->driver_data; in hso_serial_write_room() local
1366 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_write_room()
1367 room = serial->tx_data_length - serial->tx_buffer_count; in hso_serial_write_room()
1368 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_write_room()
1376 struct hso_serial *serial = tty->driver_data; in hso_serial_cleanup() local
1378 if (!serial) in hso_serial_cleanup()
1381 kref_put(&serial->parent->ref, hso_serial_ref_free); in hso_serial_cleanup()
1387 struct hso_serial *serial = tty->driver_data; in hso_serial_set_termios() local
1396 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_set_termios()
1397 if (serial->port.count) in hso_serial_set_termios()
1401 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_set_termios()
1409 struct hso_serial *serial = tty->driver_data; in hso_serial_chars_in_buffer() local
1414 if (serial == NULL) in hso_serial_chars_in_buffer()
1417 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_chars_in_buffer()
1418 chars = serial->tx_buffer_count; in hso_serial_chars_in_buffer()
1419 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_chars_in_buffer()
1423 static int tiocmget_submit_urb(struct hso_serial *serial, in tiocmget_submit_urb() argument
1429 if (serial->parent->usb_gone) in tiocmget_submit_urb()
1437 tiocmget_intr_callback, serial, in tiocmget_submit_urb()
1450 struct hso_serial *serial = urb->context; in tiocmget_intr_callback() local
1461 if (!serial) in tiocmget_intr_callback()
1464 handle_usb_error(status, __func__, serial->parent); in tiocmget_intr_callback()
1469 tiocmget = serial->tiocmget; in tiocmget_intr_callback()
1472 BUG_ON((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM); in tiocmget_intr_callback()
1474 usb = serial->parent->usb; in tiocmget_intr_callback()
1475 interface = serial->parent->interface; in tiocmget_intr_callback()
1499 spin_lock_irqsave(&serial->serial_lock, flags); in tiocmget_intr_callback()
1522 spin_unlock_irqrestore(&serial->serial_lock, flags); in tiocmget_intr_callback()
1528 tiocmget_submit_urb(serial, in tiocmget_intr_callback()
1530 serial->parent->usb); in tiocmget_intr_callback()
1542 hso_wait_modem_status(struct hso_serial *serial, unsigned long arg) in hso_wait_modem_status() argument
1549 tiocmget = serial->tiocmget; in hso_wait_modem_status()
1555 spin_lock_irq(&serial->serial_lock); in hso_wait_modem_status()
1557 spin_unlock_irq(&serial->serial_lock); in hso_wait_modem_status()
1560 spin_lock_irq(&serial->serial_lock); in hso_wait_modem_status()
1562 spin_unlock_irq(&serial->serial_lock); in hso_wait_modem_status()
1594 struct hso_serial *serial = tty->driver_data; in hso_get_count() local
1595 struct hso_tiocmget *tiocmget = serial->tiocmget; in hso_get_count()
1601 spin_lock_irq(&serial->serial_lock); in hso_get_count()
1603 spin_unlock_irq(&serial->serial_lock); in hso_get_count()
1624 struct hso_serial *serial = tty->driver_data; in hso_serial_tiocmget() local
1629 if (!serial) { in hso_serial_tiocmget()
1633 spin_lock_irq(&serial->serial_lock); in hso_serial_tiocmget()
1634 retval = ((serial->rts_state) ? TIOCM_RTS : 0) | in hso_serial_tiocmget()
1635 ((serial->dtr_state) ? TIOCM_DTR : 0); in hso_serial_tiocmget()
1636 tiocmget = serial->tiocmget; in hso_serial_tiocmget()
1648 spin_unlock_irq(&serial->serial_lock); in hso_serial_tiocmget()
1658 struct hso_serial *serial = tty->driver_data; in hso_serial_tiocmset() local
1662 if (!serial) { in hso_serial_tiocmset()
1667 if ((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM) in hso_serial_tiocmset()
1670 interface = serial->parent->interface; in hso_serial_tiocmset()
1673 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_tiocmset()
1675 serial->rts_state = 1; in hso_serial_tiocmset()
1677 serial->dtr_state = 1; in hso_serial_tiocmset()
1680 serial->rts_state = 0; in hso_serial_tiocmset()
1682 serial->dtr_state = 0; in hso_serial_tiocmset()
1684 if (serial->dtr_state) in hso_serial_tiocmset()
1686 if (serial->rts_state) in hso_serial_tiocmset()
1689 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_tiocmset()
1691 return usb_control_msg(serial->parent->usb, in hso_serial_tiocmset()
1692 usb_sndctrlpipe(serial->parent->usb, 0), 0x22, in hso_serial_tiocmset()
1700 struct hso_serial *serial = tty->driver_data; in hso_serial_ioctl() local
1704 if (!serial) in hso_serial_ioctl()
1708 ret = hso_wait_modem_status(serial, arg); in hso_serial_ioctl()
1719 static void hso_kick_transmit(struct hso_serial *serial) in hso_kick_transmit() argument
1724 spin_lock_irqsave(&serial->serial_lock, flags); in hso_kick_transmit()
1725 if (!serial->tx_buffer_count) in hso_kick_transmit()
1728 if (serial->tx_urb_used) in hso_kick_transmit()
1732 if (hso_get_activity(serial->parent) == -EAGAIN) in hso_kick_transmit()
1736 swap(serial->tx_buffer, serial->tx_data); in hso_kick_transmit()
1737 serial->tx_data_count = serial->tx_buffer_count; in hso_kick_transmit()
1738 serial->tx_buffer_count = 0; in hso_kick_transmit()
1741 if (serial->tx_data && serial->write_data) { in hso_kick_transmit()
1742 res = serial->write_data(serial); in hso_kick_transmit()
1744 serial->tx_urb_used = 1; in hso_kick_transmit()
1747 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_kick_transmit()
1751 static int mux_device_request(struct hso_serial *serial, u8 type, u16 port, in mux_device_request() argument
1760 if (!serial || !ctrl_urb || !ctrl_req) { in mux_device_request()
1776 pipe = usb_rcvctrlpipe(serial->parent->usb, 0); in mux_device_request()
1783 pipe = usb_sndctrlpipe(serial->parent->usb, 0); in mux_device_request()
1793 serial->parent->usb, in mux_device_request()
1796 ctrl_urb_data, size, ctrl_callback, serial); in mux_device_request()
1811 static int hso_mux_serial_read(struct hso_serial *serial) in hso_mux_serial_read() argument
1813 if (!serial) in hso_mux_serial_read()
1817 memset(serial->rx_data[0], 0, CTRL_URB_RX_SIZE); in hso_mux_serial_read()
1820 if (serial->num_rx_urbs != 1) { in hso_mux_serial_read()
1821 dev_err(&serial->parent->interface->dev, in hso_mux_serial_read()
1826 return mux_device_request(serial, in hso_mux_serial_read()
1828 serial->parent->port_spec & HSO_PORT_MASK, in hso_mux_serial_read()
1829 serial->rx_urb[0], in hso_mux_serial_read()
1830 &serial->ctrl_req_rx, in hso_mux_serial_read()
1831 serial->rx_data[0], serial->rx_data_length); in hso_mux_serial_read()
1838 struct hso_serial *serial; in intr_callback() local
1864 serial = get_serial_by_shared_int_and_type(shared_int, in intr_callback()
1866 if (serial != NULL) { in intr_callback()
1869 spin_lock_irqsave(&serial->serial_lock, flags); in intr_callback()
1870 if (serial->rx_state == RX_IDLE && in intr_callback()
1871 serial->port.count > 0) { in intr_callback()
1874 if (!serial->rx_urb_filled[0]) { in intr_callback()
1875 serial->rx_state = RX_SENT; in intr_callback()
1876 hso_mux_serial_read(serial); in intr_callback()
1878 serial->rx_state = RX_PENDING; in intr_callback()
1883 spin_unlock_irqrestore(&serial->serial_lock, in intr_callback()
1893 static int hso_mux_serial_write_data(struct hso_serial *serial) in hso_mux_serial_write_data() argument
1895 if (NULL == serial) in hso_mux_serial_write_data()
1898 return mux_device_request(serial, in hso_mux_serial_write_data()
1900 serial->parent->port_spec & HSO_PORT_MASK, in hso_mux_serial_write_data()
1901 serial->tx_urb, in hso_mux_serial_write_data()
1902 &serial->ctrl_req_tx, in hso_mux_serial_write_data()
1903 serial->tx_data, serial->tx_data_count); in hso_mux_serial_write_data()
1909 struct hso_serial *serial = urb->context; in hso_std_serial_write_bulk_callback() local
1914 if (!serial) { in hso_std_serial_write_bulk_callback()
1919 spin_lock_irqsave(&serial->serial_lock, flags); in hso_std_serial_write_bulk_callback()
1920 serial->tx_urb_used = 0; in hso_std_serial_write_bulk_callback()
1921 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_std_serial_write_bulk_callback()
1923 handle_usb_error(status, __func__, serial->parent); in hso_std_serial_write_bulk_callback()
1926 hso_put_activity(serial->parent); in hso_std_serial_write_bulk_callback()
1927 tty_port_tty_wakeup(&serial->port); in hso_std_serial_write_bulk_callback()
1928 hso_kick_transmit(serial); in hso_std_serial_write_bulk_callback()
1934 static int hso_std_serial_write_data(struct hso_serial *serial) in hso_std_serial_write_data() argument
1936 int count = serial->tx_data_count; in hso_std_serial_write_data()
1939 usb_fill_bulk_urb(serial->tx_urb, in hso_std_serial_write_data()
1940 serial->parent->usb, in hso_std_serial_write_data()
1941 usb_sndbulkpipe(serial->parent->usb, in hso_std_serial_write_data()
1942 serial->out_endp-> in hso_std_serial_write_data()
1944 serial->tx_data, serial->tx_data_count, in hso_std_serial_write_data()
1945 hso_std_serial_write_bulk_callback, serial); in hso_std_serial_write_data()
1947 result = usb_submit_urb(serial->tx_urb, GFP_ATOMIC); in hso_std_serial_write_data()
1949 dev_warn(&serial->parent->usb->dev, in hso_std_serial_write_data()
1960 struct hso_serial *serial = urb->context; in ctrl_callback() local
1966 if (!serial) in ctrl_callback()
1969 spin_lock_irqsave(&serial->serial_lock, flags); in ctrl_callback()
1970 serial->tx_urb_used = 0; in ctrl_callback()
1971 spin_unlock_irqrestore(&serial->serial_lock, flags); in ctrl_callback()
1973 handle_usb_error(status, __func__, serial->parent); in ctrl_callback()
1986 serial->rx_urb_filled[0] = 1; in ctrl_callback()
1987 spin_lock_irqsave(&serial->serial_lock, flags); in ctrl_callback()
1988 put_rxbuf_data_and_resubmit_ctrl_urb(serial); in ctrl_callback()
1989 spin_unlock_irqrestore(&serial->serial_lock, flags); in ctrl_callback()
1991 hso_put_activity(serial->parent); in ctrl_callback()
1992 tty_port_tty_wakeup(&serial->port); in ctrl_callback()
1994 hso_kick_transmit(serial); in ctrl_callback()
1999 static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) in put_rxbuf_data() argument
2005 if (urb == NULL || serial == NULL) { in put_rxbuf_data()
2010 tty = tty_port_tty_get(&serial->port); in put_rxbuf_data()
2019 count = tty_buffer_request_room(&serial->port, urb->actual_length); in put_rxbuf_data()
2021 tty_insert_flip_string(&serial->port, urb->transfer_buffer, in put_rxbuf_data()
2023 tty_flip_buffer_push(&serial->port); in put_rxbuf_data()
2025 dev_warn(&serial->parent->usb->dev, in put_rxbuf_data()
2031 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; in put_rxbuf_data()
2144 struct hso_serial *serial = dev2ser(hso_dev); in hso_start_serial_device() local
2146 if (!serial) in hso_start_serial_device()
2151 if (!(serial->parent->port_spec & HSO_INTF_MUX)) { in hso_start_serial_device()
2152 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_start_serial_device()
2153 usb_fill_bulk_urb(serial->rx_urb[i], in hso_start_serial_device()
2154 serial->parent->usb, in hso_start_serial_device()
2155 usb_rcvbulkpipe(serial->parent->usb, in hso_start_serial_device()
2156 serial->in_endp-> in hso_start_serial_device()
2159 serial->rx_data[i], in hso_start_serial_device()
2160 serial->rx_data_length, in hso_start_serial_device()
2162 serial); in hso_start_serial_device()
2163 result = usb_submit_urb(serial->rx_urb[i], flags); in hso_start_serial_device()
2165 dev_warn(&serial->parent->usb->dev, in hso_start_serial_device()
2172 mutex_lock(&serial->shared_int->shared_int_lock); in hso_start_serial_device()
2173 if (!serial->shared_int->use_count) { in hso_start_serial_device()
2175 hso_mux_submit_intr_urb(serial->shared_int, in hso_start_serial_device()
2178 serial->shared_int->use_count++; in hso_start_serial_device()
2179 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_start_serial_device()
2181 if (serial->tiocmget) in hso_start_serial_device()
2182 tiocmget_submit_urb(serial, in hso_start_serial_device()
2183 serial->tiocmget, in hso_start_serial_device()
2184 serial->parent->usb); in hso_start_serial_device()
2191 struct hso_serial *serial = dev2ser(hso_dev); in hso_stop_serial_device() local
2194 if (!serial) in hso_stop_serial_device()
2197 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_stop_serial_device()
2198 if (serial->rx_urb[i]) { in hso_stop_serial_device()
2199 usb_kill_urb(serial->rx_urb[i]); in hso_stop_serial_device()
2200 serial->rx_urb_filled[i] = 0; in hso_stop_serial_device()
2203 serial->curr_rx_urb_idx = 0; in hso_stop_serial_device()
2205 if (serial->tx_urb) in hso_stop_serial_device()
2206 usb_kill_urb(serial->tx_urb); in hso_stop_serial_device()
2208 if (serial->shared_int) { in hso_stop_serial_device()
2209 mutex_lock(&serial->shared_int->shared_int_lock); in hso_stop_serial_device()
2210 if (serial->shared_int->use_count && in hso_stop_serial_device()
2211 (--serial->shared_int->use_count == 0)) { in hso_stop_serial_device()
2214 urb = serial->shared_int->shared_intr_urb; in hso_stop_serial_device()
2218 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_stop_serial_device()
2220 tiocmget = serial->tiocmget; in hso_stop_serial_device()
2229 static void hso_serial_tty_unregister(struct hso_serial *serial) in hso_serial_tty_unregister() argument
2231 tty_unregister_device(tty_drv, serial->minor); in hso_serial_tty_unregister()
2232 release_minor(serial); in hso_serial_tty_unregister()
2235 static void hso_serial_common_free(struct hso_serial *serial) in hso_serial_common_free() argument
2239 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_serial_common_free()
2241 usb_free_urb(serial->rx_urb[i]); in hso_serial_common_free()
2243 kfree(serial->rx_data[i]); in hso_serial_common_free()
2247 usb_free_urb(serial->tx_urb); in hso_serial_common_free()
2248 kfree(serial->tx_buffer); in hso_serial_common_free()
2249 kfree(serial->tx_data); in hso_serial_common_free()
2250 tty_port_destroy(&serial->port); in hso_serial_common_free()
2253 static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, in hso_serial_common_create() argument
2258 tty_port_init(&serial->port); in hso_serial_common_create()
2260 if (obtain_minor(serial)) in hso_serial_common_create()
2264 serial->parent->dev = tty_port_register_device_attr(&serial->port, in hso_serial_common_create()
2265 tty_drv, serial->minor, &serial->parent->interface->dev, in hso_serial_common_create()
2266 serial->parent, hso_serial_dev_groups); in hso_serial_common_create()
2267 if (IS_ERR(serial->parent->dev)) { in hso_serial_common_create()
2268 release_minor(serial); in hso_serial_common_create()
2272 serial->magic = HSO_SERIAL_MAGIC; in hso_serial_common_create()
2273 spin_lock_init(&serial->serial_lock); in hso_serial_common_create()
2274 serial->num_rx_urbs = num_urbs; in hso_serial_common_create()
2279 serial->rx_data_length = rx_size; in hso_serial_common_create()
2280 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_serial_common_create()
2281 serial->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); in hso_serial_common_create()
2282 if (!serial->rx_urb[i]) in hso_serial_common_create()
2284 serial->rx_urb[i]->transfer_buffer = NULL; in hso_serial_common_create()
2285 serial->rx_urb[i]->transfer_buffer_length = 0; in hso_serial_common_create()
2286 serial->rx_data[i] = kzalloc(serial->rx_data_length, in hso_serial_common_create()
2288 if (!serial->rx_data[i]) in hso_serial_common_create()
2293 serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL); in hso_serial_common_create()
2294 if (!serial->tx_urb) in hso_serial_common_create()
2296 serial->tx_urb->transfer_buffer = NULL; in hso_serial_common_create()
2297 serial->tx_urb->transfer_buffer_length = 0; in hso_serial_common_create()
2299 serial->tx_data_count = 0; in hso_serial_common_create()
2300 serial->tx_buffer_count = 0; in hso_serial_common_create()
2301 serial->tx_data_length = tx_size; in hso_serial_common_create()
2302 serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL); in hso_serial_common_create()
2303 if (!serial->tx_data) in hso_serial_common_create()
2306 serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL); in hso_serial_common_create()
2307 if (!serial->tx_buffer) in hso_serial_common_create()
2312 hso_serial_tty_unregister(serial); in hso_serial_common_create()
2314 hso_serial_common_free(serial); in hso_serial_common_create()
2577 static void hso_free_tiomget(struct hso_serial *serial) in hso_free_tiomget() argument
2580 if (!serial) in hso_free_tiomget()
2582 tiocmget = serial->tiocmget; in hso_free_tiomget()
2586 serial->tiocmget = NULL; in hso_free_tiomget()
2596 struct hso_serial *serial = dev2ser(hso_dev); in hso_free_serial_device() local
2598 if (!serial) in hso_free_serial_device()
2601 hso_serial_common_free(serial); in hso_free_serial_device()
2603 if (serial->shared_int) { in hso_free_serial_device()
2604 mutex_lock(&serial->shared_int->shared_int_lock); in hso_free_serial_device()
2605 if (--serial->shared_int->ref_count == 0) in hso_free_serial_device()
2606 hso_free_shared_int(serial->shared_int); in hso_free_serial_device()
2608 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_free_serial_device()
2610 hso_free_tiomget(serial); in hso_free_serial_device()
2611 kfree(serial); in hso_free_serial_device()
2620 struct hso_serial *serial; in hso_create_bulk_serial_device() local
2628 serial = kzalloc(sizeof(*serial), GFP_KERNEL); in hso_create_bulk_serial_device()
2629 if (!serial) in hso_create_bulk_serial_device()
2632 serial->parent = hso_dev; in hso_create_bulk_serial_device()
2633 hso_dev->port_data.dev_serial = serial; in hso_create_bulk_serial_device()
2637 serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget), in hso_create_bulk_serial_device()
2639 if (!serial->tiocmget) in hso_create_bulk_serial_device()
2641 serial->tiocmget->serial_state_notification in hso_create_bulk_serial_device()
2644 if (!serial->tiocmget->serial_state_notification) in hso_create_bulk_serial_device()
2646 tiocmget = serial->tiocmget; in hso_create_bulk_serial_device()
2665 if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE, in hso_create_bulk_serial_device()
2669 serial->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, in hso_create_bulk_serial_device()
2671 if (!serial->in_endp) { in hso_create_bulk_serial_device()
2677 (serial->out_endp = in hso_create_bulk_serial_device()
2683 serial->write_data = hso_std_serial_write_data; in hso_create_bulk_serial_device()
2692 hso_serial_tty_unregister(serial); in hso_create_bulk_serial_device()
2693 hso_serial_common_free(serial); in hso_create_bulk_serial_device()
2695 hso_free_tiomget(serial); in hso_create_bulk_serial_device()
2696 kfree(serial); in hso_create_bulk_serial_device()
2708 struct hso_serial *serial; in hso_create_mux_serial_device() local
2722 serial = kzalloc(sizeof(*serial), GFP_KERNEL); in hso_create_mux_serial_device()
2723 if (!serial) in hso_create_mux_serial_device()
2726 hso_dev->port_data.dev_serial = serial; in hso_create_mux_serial_device()
2727 serial->parent = hso_dev; in hso_create_mux_serial_device()
2730 (serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE)) in hso_create_mux_serial_device()
2733 serial->tx_data_length--; in hso_create_mux_serial_device()
2734 serial->write_data = hso_mux_serial_write_data; in hso_create_mux_serial_device()
2736 serial->shared_int = mux; in hso_create_mux_serial_device()
2737 mutex_lock(&serial->shared_int->shared_int_lock); in hso_create_mux_serial_device()
2738 serial->shared_int->ref_count++; in hso_create_mux_serial_device()
2739 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_create_mux_serial_device()
2748 kfree(serial); in hso_create_mux_serial_device()
3108 struct hso_serial *serial; in hso_free_interface() local
3114 serial = dev2ser(serial_table[i]); in hso_free_interface()
3115 tty_port_tty_hangup(&serial->port, false); in hso_free_interface()
3116 mutex_lock(&serial->parent->mutex); in hso_free_interface()
3117 serial->parent->usb_gone = 1; in hso_free_interface()
3118 mutex_unlock(&serial->parent->mutex); in hso_free_interface()
3121 hso_serial_tty_unregister(serial); in hso_free_interface()
3122 kref_put(&serial->parent->ref, hso_serial_ref_free); in hso_free_interface()