Lines Matching refs:serial
244 int (*write_data) (struct hso_serial *serial);
308 static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial);
309 static void hso_kick_transmit(struct hso_serial *serial);
326 static int hso_mux_serial_read(struct hso_serial *serial);
531 static int hso_urb_to_index(struct hso_serial *serial, struct urb *urb) in hso_urb_to_index() argument
535 for (idx = 0; idx < serial->num_rx_urbs; idx++) in hso_urb_to_index()
536 if (serial->rx_urb[idx] == urb) in hso_urb_to_index()
538 dev_err(serial->parent->dev, "hso_urb_to_index failed\n"); in hso_urb_to_index()
617 struct hso_serial *serial = NULL; in get_serial_by_index() local
622 serial = dev2ser(serial_table[index]); in get_serial_by_index()
625 return serial; in get_serial_by_index()
646 static void set_serial_by_index(unsigned index, struct hso_serial *serial) in set_serial_by_index() argument
651 if (serial) in set_serial_by_index()
652 serial_table[index] = serial->parent; in set_serial_by_index()
1102 struct hso_serial *serial = tty->driver_data; in _hso_serial_set_termios() local
1104 if (!serial) { in _hso_serial_set_termios()
1109 hso_dbg(0x8, "port %d\n", serial->minor); in _hso_serial_set_termios()
1128 static void hso_resubmit_rx_bulk_urb(struct hso_serial *serial, struct urb *urb) in hso_resubmit_rx_bulk_urb() argument
1133 usb_fill_bulk_urb(urb, serial->parent->usb, in hso_resubmit_rx_bulk_urb()
1134 usb_rcvbulkpipe(serial->parent->usb, in hso_resubmit_rx_bulk_urb()
1135 serial->in_endp-> in hso_resubmit_rx_bulk_urb()
1137 urb->transfer_buffer, serial->rx_data_length, in hso_resubmit_rx_bulk_urb()
1138 hso_std_serial_read_bulk_callback, serial); in hso_resubmit_rx_bulk_urb()
1151 static void put_rxbuf_data_and_resubmit_bulk_urb(struct hso_serial *serial) in put_rxbuf_data_and_resubmit_bulk_urb() argument
1156 while (serial->rx_urb_filled[serial->curr_rx_urb_idx]) { in put_rxbuf_data_and_resubmit_bulk_urb()
1157 curr_urb = serial->rx_urb[serial->curr_rx_urb_idx]; in put_rxbuf_data_and_resubmit_bulk_urb()
1158 count = put_rxbuf_data(curr_urb, serial); in put_rxbuf_data_and_resubmit_bulk_urb()
1162 serial->curr_rx_urb_idx++; in put_rxbuf_data_and_resubmit_bulk_urb()
1163 if (serial->curr_rx_urb_idx >= serial->num_rx_urbs) in put_rxbuf_data_and_resubmit_bulk_urb()
1164 serial->curr_rx_urb_idx = 0; in put_rxbuf_data_and_resubmit_bulk_urb()
1165 hso_resubmit_rx_bulk_urb(serial, curr_urb); in put_rxbuf_data_and_resubmit_bulk_urb()
1170 static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial) in put_rxbuf_data_and_resubmit_ctrl_urb() argument
1175 urb = serial->rx_urb[0]; in put_rxbuf_data_and_resubmit_ctrl_urb()
1176 if (serial->port.count > 0) { in put_rxbuf_data_and_resubmit_ctrl_urb()
1177 count = put_rxbuf_data(urb, serial); in put_rxbuf_data_and_resubmit_ctrl_urb()
1184 (serial->rx_state == RX_PENDING))) { in put_rxbuf_data_and_resubmit_ctrl_urb()
1185 serial->rx_state = RX_SENT; in put_rxbuf_data_and_resubmit_ctrl_urb()
1186 hso_mux_serial_read(serial); in put_rxbuf_data_and_resubmit_ctrl_urb()
1188 serial->rx_state = RX_IDLE; in put_rxbuf_data_and_resubmit_ctrl_urb()
1195 struct hso_serial *serial = urb->context; in hso_std_serial_read_bulk_callback() local
1202 if (!serial) { in hso_std_serial_read_bulk_callback()
1207 handle_usb_error(status, __func__, serial->parent); in hso_std_serial_read_bulk_callback()
1215 if (serial->port.count == 0) in hso_std_serial_read_bulk_callback()
1218 if (serial->parent->port_spec & HSO_INFO_CRC_BUG) in hso_std_serial_read_bulk_callback()
1219 fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); in hso_std_serial_read_bulk_callback()
1221 spin_lock_irqsave(&serial->serial_lock, flags); in hso_std_serial_read_bulk_callback()
1222 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; in hso_std_serial_read_bulk_callback()
1223 put_rxbuf_data_and_resubmit_bulk_urb(serial); in hso_std_serial_read_bulk_callback()
1224 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_std_serial_read_bulk_callback()
1231 static void hso_unthrottle_tasklet(struct hso_serial *serial) in hso_unthrottle_tasklet() argument
1235 spin_lock_irqsave(&serial->serial_lock, flags); in hso_unthrottle_tasklet()
1236 if ((serial->parent->port_spec & HSO_INTF_MUX)) in hso_unthrottle_tasklet()
1237 put_rxbuf_data_and_resubmit_ctrl_urb(serial); in hso_unthrottle_tasklet()
1239 put_rxbuf_data_and_resubmit_bulk_urb(serial); in hso_unthrottle_tasklet()
1240 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_unthrottle_tasklet()
1245 struct hso_serial *serial = tty->driver_data; in hso_unthrottle() local
1247 tasklet_hi_schedule(&serial->unthrottle_tasklet); in hso_unthrottle()
1253 struct hso_serial *serial = get_serial_by_index(tty->index); in hso_serial_open() local
1257 if (serial == NULL || serial->magic != HSO_SERIAL_MAGIC) { in hso_serial_open()
1264 mutex_lock(&serial->parent->mutex); in hso_serial_open()
1265 result = usb_autopm_get_interface(serial->parent->interface); in hso_serial_open()
1269 hso_dbg(0x1, "Opening %d\n", serial->minor); in hso_serial_open()
1272 tty->driver_data = serial; in hso_serial_open()
1273 tty_port_tty_set(&serial->port, tty); in hso_serial_open()
1276 serial->port.count++; in hso_serial_open()
1277 if (serial->port.count == 1) { in hso_serial_open()
1278 serial->rx_state = RX_IDLE; in hso_serial_open()
1281 tasklet_init(&serial->unthrottle_tasklet, in hso_serial_open()
1283 (unsigned long)serial); in hso_serial_open()
1284 result = hso_start_serial_device(serial->parent, GFP_KERNEL); in hso_serial_open()
1286 hso_stop_serial_device(serial->parent); in hso_serial_open()
1287 serial->port.count--; in hso_serial_open()
1289 kref_get(&serial->parent->ref); in hso_serial_open()
1295 usb_autopm_put_interface(serial->parent->interface); in hso_serial_open()
1301 mutex_unlock(&serial->parent->mutex); in hso_serial_open()
1308 struct hso_serial *serial = tty->driver_data; in hso_serial_close() local
1314 if (serial == NULL) in hso_serial_close()
1317 mutex_lock(&serial->parent->mutex); in hso_serial_close()
1318 usb_gone = serial->parent->usb_gone; in hso_serial_close()
1321 usb_autopm_get_interface(serial->parent->interface); in hso_serial_close()
1325 serial->port.count--; in hso_serial_close()
1327 if (serial->port.count <= 0) { in hso_serial_close()
1328 serial->port.count = 0; in hso_serial_close()
1329 tty_port_tty_set(&serial->port, NULL); in hso_serial_close()
1331 hso_stop_serial_device(serial->parent); in hso_serial_close()
1332 tasklet_kill(&serial->unthrottle_tasklet); in hso_serial_close()
1336 usb_autopm_put_interface(serial->parent->interface); in hso_serial_close()
1338 mutex_unlock(&serial->parent->mutex); in hso_serial_close()
1345 struct hso_serial *serial = tty->driver_data; in hso_serial_write() local
1350 if (serial == NULL) { in hso_serial_write()
1355 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_write()
1357 space = serial->tx_data_length - serial->tx_buffer_count; in hso_serial_write()
1363 memcpy(serial->tx_buffer + serial->tx_buffer_count, buf, tx_bytes); in hso_serial_write()
1364 serial->tx_buffer_count += tx_bytes; in hso_serial_write()
1367 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_write()
1369 hso_kick_transmit(serial); in hso_serial_write()
1377 struct hso_serial *serial = tty->driver_data; in hso_serial_write_room() local
1381 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_write_room()
1382 room = serial->tx_data_length - serial->tx_buffer_count; in hso_serial_write_room()
1383 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_write_room()
1391 struct hso_serial *serial = tty->driver_data; in hso_serial_cleanup() local
1393 if (!serial) in hso_serial_cleanup()
1396 kref_put(&serial->parent->ref, hso_serial_ref_free); in hso_serial_cleanup()
1402 struct hso_serial *serial = tty->driver_data; in hso_serial_set_termios() local
1410 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_set_termios()
1411 if (serial->port.count) in hso_serial_set_termios()
1415 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_set_termios()
1423 struct hso_serial *serial = tty->driver_data; in hso_serial_chars_in_buffer() local
1428 if (serial == NULL) in hso_serial_chars_in_buffer()
1431 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_chars_in_buffer()
1432 chars = serial->tx_buffer_count; in hso_serial_chars_in_buffer()
1433 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_chars_in_buffer()
1437 static int tiocmget_submit_urb(struct hso_serial *serial, in tiocmget_submit_urb() argument
1443 if (serial->parent->usb_gone) in tiocmget_submit_urb()
1451 tiocmget_intr_callback, serial, in tiocmget_submit_urb()
1464 struct hso_serial *serial = urb->context; in tiocmget_intr_callback() local
1475 if (!serial) in tiocmget_intr_callback()
1478 handle_usb_error(status, __func__, serial->parent); in tiocmget_intr_callback()
1483 tiocmget = serial->tiocmget; in tiocmget_intr_callback()
1486 BUG_ON((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM); in tiocmget_intr_callback()
1488 usb = serial->parent->usb; in tiocmget_intr_callback()
1489 interface = serial->parent->interface; in tiocmget_intr_callback()
1513 spin_lock_irqsave(&serial->serial_lock, flags); in tiocmget_intr_callback()
1536 spin_unlock_irqrestore(&serial->serial_lock, flags); in tiocmget_intr_callback()
1542 tiocmget_submit_urb(serial, in tiocmget_intr_callback()
1544 serial->parent->usb); in tiocmget_intr_callback()
1556 hso_wait_modem_status(struct hso_serial *serial, unsigned long arg) in hso_wait_modem_status() argument
1563 tiocmget = serial->tiocmget; in hso_wait_modem_status()
1569 spin_lock_irq(&serial->serial_lock); in hso_wait_modem_status()
1571 spin_unlock_irq(&serial->serial_lock); in hso_wait_modem_status()
1574 spin_lock_irq(&serial->serial_lock); in hso_wait_modem_status()
1576 spin_unlock_irq(&serial->serial_lock); in hso_wait_modem_status()
1608 struct hso_serial *serial = tty->driver_data; in hso_get_count() local
1609 struct hso_tiocmget *tiocmget = serial->tiocmget; in hso_get_count()
1615 spin_lock_irq(&serial->serial_lock); in hso_get_count()
1617 spin_unlock_irq(&serial->serial_lock); in hso_get_count()
1638 struct hso_serial *serial = tty->driver_data; in hso_serial_tiocmget() local
1643 if (!serial) { in hso_serial_tiocmget()
1647 spin_lock_irq(&serial->serial_lock); in hso_serial_tiocmget()
1648 retval = ((serial->rts_state) ? TIOCM_RTS : 0) | in hso_serial_tiocmget()
1649 ((serial->dtr_state) ? TIOCM_DTR : 0); in hso_serial_tiocmget()
1650 tiocmget = serial->tiocmget; in hso_serial_tiocmget()
1662 spin_unlock_irq(&serial->serial_lock); in hso_serial_tiocmget()
1672 struct hso_serial *serial = tty->driver_data; in hso_serial_tiocmset() local
1676 if (!serial) { in hso_serial_tiocmset()
1681 if ((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM) in hso_serial_tiocmset()
1684 interface = serial->parent->interface; in hso_serial_tiocmset()
1687 spin_lock_irqsave(&serial->serial_lock, flags); in hso_serial_tiocmset()
1689 serial->rts_state = 1; in hso_serial_tiocmset()
1691 serial->dtr_state = 1; in hso_serial_tiocmset()
1694 serial->rts_state = 0; in hso_serial_tiocmset()
1696 serial->dtr_state = 0; in hso_serial_tiocmset()
1698 if (serial->dtr_state) in hso_serial_tiocmset()
1700 if (serial->rts_state) in hso_serial_tiocmset()
1703 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_serial_tiocmset()
1705 return usb_control_msg(serial->parent->usb, in hso_serial_tiocmset()
1706 usb_rcvctrlpipe(serial->parent->usb, 0), 0x22, in hso_serial_tiocmset()
1714 struct hso_serial *serial = tty->driver_data; in hso_serial_ioctl() local
1718 if (!serial) in hso_serial_ioctl()
1722 ret = hso_wait_modem_status(serial, arg); in hso_serial_ioctl()
1733 static void hso_kick_transmit(struct hso_serial *serial) in hso_kick_transmit() argument
1738 spin_lock_irqsave(&serial->serial_lock, flags); in hso_kick_transmit()
1739 if (!serial->tx_buffer_count) in hso_kick_transmit()
1742 if (serial->tx_urb_used) in hso_kick_transmit()
1746 if (hso_get_activity(serial->parent) == -EAGAIN) in hso_kick_transmit()
1750 swap(serial->tx_buffer, serial->tx_data); in hso_kick_transmit()
1751 serial->tx_data_count = serial->tx_buffer_count; in hso_kick_transmit()
1752 serial->tx_buffer_count = 0; in hso_kick_transmit()
1755 if (serial->tx_data && serial->write_data) { in hso_kick_transmit()
1756 res = serial->write_data(serial); in hso_kick_transmit()
1758 serial->tx_urb_used = 1; in hso_kick_transmit()
1761 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_kick_transmit()
1765 static int mux_device_request(struct hso_serial *serial, u8 type, u16 port, in mux_device_request() argument
1774 if (!serial || !ctrl_urb || !ctrl_req) { in mux_device_request()
1790 pipe = usb_rcvctrlpipe(serial->parent->usb, 0); in mux_device_request()
1797 pipe = usb_sndctrlpipe(serial->parent->usb, 0); in mux_device_request()
1807 serial->parent->usb, in mux_device_request()
1810 ctrl_urb_data, size, ctrl_callback, serial); in mux_device_request()
1825 static int hso_mux_serial_read(struct hso_serial *serial) in hso_mux_serial_read() argument
1827 if (!serial) in hso_mux_serial_read()
1831 memset(serial->rx_data[0], 0, CTRL_URB_RX_SIZE); in hso_mux_serial_read()
1834 if (serial->num_rx_urbs != 1) { in hso_mux_serial_read()
1835 dev_err(&serial->parent->interface->dev, in hso_mux_serial_read()
1840 return mux_device_request(serial, in hso_mux_serial_read()
1842 serial->parent->port_spec & HSO_PORT_MASK, in hso_mux_serial_read()
1843 serial->rx_urb[0], in hso_mux_serial_read()
1844 &serial->ctrl_req_rx, in hso_mux_serial_read()
1845 serial->rx_data[0], serial->rx_data_length); in hso_mux_serial_read()
1852 struct hso_serial *serial; in intr_callback() local
1878 serial = get_serial_by_shared_int_and_type(shared_int, in intr_callback()
1880 if (serial != NULL) { in intr_callback()
1883 spin_lock_irqsave(&serial->serial_lock, flags); in intr_callback()
1884 if (serial->rx_state == RX_IDLE && in intr_callback()
1885 serial->port.count > 0) { in intr_callback()
1888 if (!serial->rx_urb_filled[0]) { in intr_callback()
1889 serial->rx_state = RX_SENT; in intr_callback()
1890 hso_mux_serial_read(serial); in intr_callback()
1892 serial->rx_state = RX_PENDING; in intr_callback()
1897 spin_unlock_irqrestore(&serial->serial_lock, in intr_callback()
1907 static int hso_mux_serial_write_data(struct hso_serial *serial) in hso_mux_serial_write_data() argument
1909 if (NULL == serial) in hso_mux_serial_write_data()
1912 return mux_device_request(serial, in hso_mux_serial_write_data()
1914 serial->parent->port_spec & HSO_PORT_MASK, in hso_mux_serial_write_data()
1915 serial->tx_urb, in hso_mux_serial_write_data()
1916 &serial->ctrl_req_tx, in hso_mux_serial_write_data()
1917 serial->tx_data, serial->tx_data_count); in hso_mux_serial_write_data()
1923 struct hso_serial *serial = urb->context; in hso_std_serial_write_bulk_callback() local
1928 if (!serial) { in hso_std_serial_write_bulk_callback()
1933 spin_lock_irqsave(&serial->serial_lock, flags); in hso_std_serial_write_bulk_callback()
1934 serial->tx_urb_used = 0; in hso_std_serial_write_bulk_callback()
1935 spin_unlock_irqrestore(&serial->serial_lock, flags); in hso_std_serial_write_bulk_callback()
1937 handle_usb_error(status, __func__, serial->parent); in hso_std_serial_write_bulk_callback()
1940 hso_put_activity(serial->parent); in hso_std_serial_write_bulk_callback()
1941 tty_port_tty_wakeup(&serial->port); in hso_std_serial_write_bulk_callback()
1942 hso_kick_transmit(serial); in hso_std_serial_write_bulk_callback()
1948 static int hso_std_serial_write_data(struct hso_serial *serial) in hso_std_serial_write_data() argument
1950 int count = serial->tx_data_count; in hso_std_serial_write_data()
1953 usb_fill_bulk_urb(serial->tx_urb, in hso_std_serial_write_data()
1954 serial->parent->usb, in hso_std_serial_write_data()
1955 usb_sndbulkpipe(serial->parent->usb, in hso_std_serial_write_data()
1956 serial->out_endp-> in hso_std_serial_write_data()
1958 serial->tx_data, serial->tx_data_count, in hso_std_serial_write_data()
1959 hso_std_serial_write_bulk_callback, serial); in hso_std_serial_write_data()
1961 result = usb_submit_urb(serial->tx_urb, GFP_ATOMIC); in hso_std_serial_write_data()
1963 dev_warn(&serial->parent->usb->dev, in hso_std_serial_write_data()
1974 struct hso_serial *serial = urb->context; in ctrl_callback() local
1980 if (!serial) in ctrl_callback()
1983 spin_lock_irqsave(&serial->serial_lock, flags); in ctrl_callback()
1984 serial->tx_urb_used = 0; in ctrl_callback()
1985 spin_unlock_irqrestore(&serial->serial_lock, flags); in ctrl_callback()
1987 handle_usb_error(status, __func__, serial->parent); in ctrl_callback()
2000 serial->rx_urb_filled[0] = 1; in ctrl_callback()
2001 spin_lock_irqsave(&serial->serial_lock, flags); in ctrl_callback()
2002 put_rxbuf_data_and_resubmit_ctrl_urb(serial); in ctrl_callback()
2003 spin_unlock_irqrestore(&serial->serial_lock, flags); in ctrl_callback()
2005 hso_put_activity(serial->parent); in ctrl_callback()
2006 tty_port_tty_wakeup(&serial->port); in ctrl_callback()
2008 hso_kick_transmit(serial); in ctrl_callback()
2013 static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) in put_rxbuf_data() argument
2019 if (urb == NULL || serial == NULL) { in put_rxbuf_data()
2024 tty = tty_port_tty_get(&serial->port); in put_rxbuf_data()
2033 count = tty_buffer_request_room(&serial->port, urb->actual_length); in put_rxbuf_data()
2035 tty_insert_flip_string(&serial->port, urb->transfer_buffer, in put_rxbuf_data()
2037 tty_flip_buffer_push(&serial->port); in put_rxbuf_data()
2039 dev_warn(&serial->parent->usb->dev, in put_rxbuf_data()
2045 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; in put_rxbuf_data()
2158 struct hso_serial *serial = dev2ser(hso_dev); in hso_start_serial_device() local
2160 if (!serial) in hso_start_serial_device()
2165 if (!(serial->parent->port_spec & HSO_INTF_MUX)) { in hso_start_serial_device()
2166 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_start_serial_device()
2167 usb_fill_bulk_urb(serial->rx_urb[i], in hso_start_serial_device()
2168 serial->parent->usb, in hso_start_serial_device()
2169 usb_rcvbulkpipe(serial->parent->usb, in hso_start_serial_device()
2170 serial->in_endp-> in hso_start_serial_device()
2173 serial->rx_data[i], in hso_start_serial_device()
2174 serial->rx_data_length, in hso_start_serial_device()
2176 serial); in hso_start_serial_device()
2177 result = usb_submit_urb(serial->rx_urb[i], flags); in hso_start_serial_device()
2179 dev_warn(&serial->parent->usb->dev, in hso_start_serial_device()
2186 mutex_lock(&serial->shared_int->shared_int_lock); in hso_start_serial_device()
2187 if (!serial->shared_int->use_count) { in hso_start_serial_device()
2189 hso_mux_submit_intr_urb(serial->shared_int, in hso_start_serial_device()
2192 serial->shared_int->use_count++; in hso_start_serial_device()
2193 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_start_serial_device()
2195 if (serial->tiocmget) in hso_start_serial_device()
2196 tiocmget_submit_urb(serial, in hso_start_serial_device()
2197 serial->tiocmget, in hso_start_serial_device()
2198 serial->parent->usb); in hso_start_serial_device()
2205 struct hso_serial *serial = dev2ser(hso_dev); in hso_stop_serial_device() local
2208 if (!serial) in hso_stop_serial_device()
2211 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_stop_serial_device()
2212 if (serial->rx_urb[i]) { in hso_stop_serial_device()
2213 usb_kill_urb(serial->rx_urb[i]); in hso_stop_serial_device()
2214 serial->rx_urb_filled[i] = 0; in hso_stop_serial_device()
2217 serial->curr_rx_urb_idx = 0; in hso_stop_serial_device()
2219 if (serial->tx_urb) in hso_stop_serial_device()
2220 usb_kill_urb(serial->tx_urb); in hso_stop_serial_device()
2222 if (serial->shared_int) { in hso_stop_serial_device()
2223 mutex_lock(&serial->shared_int->shared_int_lock); in hso_stop_serial_device()
2224 if (serial->shared_int->use_count && in hso_stop_serial_device()
2225 (--serial->shared_int->use_count == 0)) { in hso_stop_serial_device()
2228 urb = serial->shared_int->shared_intr_urb; in hso_stop_serial_device()
2232 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_stop_serial_device()
2234 tiocmget = serial->tiocmget; in hso_stop_serial_device()
2243 static void hso_serial_tty_unregister(struct hso_serial *serial) in hso_serial_tty_unregister() argument
2245 tty_unregister_device(tty_drv, serial->minor); in hso_serial_tty_unregister()
2248 static void hso_serial_common_free(struct hso_serial *serial) in hso_serial_common_free() argument
2252 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_serial_common_free()
2254 usb_free_urb(serial->rx_urb[i]); in hso_serial_common_free()
2256 kfree(serial->rx_data[i]); in hso_serial_common_free()
2260 usb_free_urb(serial->tx_urb); in hso_serial_common_free()
2261 kfree(serial->tx_buffer); in hso_serial_common_free()
2262 kfree(serial->tx_data); in hso_serial_common_free()
2263 tty_port_destroy(&serial->port); in hso_serial_common_free()
2266 static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, in hso_serial_common_create() argument
2272 tty_port_init(&serial->port); in hso_serial_common_create()
2279 serial->parent->dev = tty_port_register_device_attr(&serial->port, in hso_serial_common_create()
2280 tty_drv, minor, &serial->parent->interface->dev, in hso_serial_common_create()
2281 serial->parent, hso_serial_dev_groups); in hso_serial_common_create()
2284 serial->minor = minor; in hso_serial_common_create()
2285 serial->magic = HSO_SERIAL_MAGIC; in hso_serial_common_create()
2286 spin_lock_init(&serial->serial_lock); in hso_serial_common_create()
2287 serial->num_rx_urbs = num_urbs; in hso_serial_common_create()
2292 serial->rx_data_length = rx_size; in hso_serial_common_create()
2293 for (i = 0; i < serial->num_rx_urbs; i++) { in hso_serial_common_create()
2294 serial->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); in hso_serial_common_create()
2295 if (!serial->rx_urb[i]) in hso_serial_common_create()
2297 serial->rx_urb[i]->transfer_buffer = NULL; in hso_serial_common_create()
2298 serial->rx_urb[i]->transfer_buffer_length = 0; in hso_serial_common_create()
2299 serial->rx_data[i] = kzalloc(serial->rx_data_length, in hso_serial_common_create()
2301 if (!serial->rx_data[i]) in hso_serial_common_create()
2306 serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL); in hso_serial_common_create()
2307 if (!serial->tx_urb) in hso_serial_common_create()
2309 serial->tx_urb->transfer_buffer = NULL; in hso_serial_common_create()
2310 serial->tx_urb->transfer_buffer_length = 0; in hso_serial_common_create()
2312 serial->tx_data_count = 0; in hso_serial_common_create()
2313 serial->tx_buffer_count = 0; in hso_serial_common_create()
2314 serial->tx_data_length = tx_size; in hso_serial_common_create()
2315 serial->tx_data = kzalloc(serial->tx_data_length, GFP_KERNEL); in hso_serial_common_create()
2316 if (!serial->tx_data) in hso_serial_common_create()
2319 serial->tx_buffer = kzalloc(serial->tx_data_length, GFP_KERNEL); in hso_serial_common_create()
2320 if (!serial->tx_buffer) in hso_serial_common_create()
2325 hso_serial_tty_unregister(serial); in hso_serial_common_create()
2326 hso_serial_common_free(serial); in hso_serial_common_create()
2572 static void hso_free_tiomget(struct hso_serial *serial) in hso_free_tiomget() argument
2575 if (!serial) in hso_free_tiomget()
2577 tiocmget = serial->tiocmget; in hso_free_tiomget()
2581 serial->tiocmget = NULL; in hso_free_tiomget()
2589 struct hso_serial *serial = dev2ser(hso_dev); in hso_free_serial_device() local
2591 if (!serial) in hso_free_serial_device()
2594 hso_serial_common_free(serial); in hso_free_serial_device()
2596 if (serial->shared_int) { in hso_free_serial_device()
2597 mutex_lock(&serial->shared_int->shared_int_lock); in hso_free_serial_device()
2598 if (--serial->shared_int->ref_count == 0) in hso_free_serial_device()
2599 hso_free_shared_int(serial->shared_int); in hso_free_serial_device()
2601 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_free_serial_device()
2603 hso_free_tiomget(serial); in hso_free_serial_device()
2604 kfree(serial); in hso_free_serial_device()
2613 struct hso_serial *serial; in hso_create_bulk_serial_device() local
2621 serial = kzalloc(sizeof(*serial), GFP_KERNEL); in hso_create_bulk_serial_device()
2622 if (!serial) in hso_create_bulk_serial_device()
2625 serial->parent = hso_dev; in hso_create_bulk_serial_device()
2626 hso_dev->port_data.dev_serial = serial; in hso_create_bulk_serial_device()
2630 serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget), in hso_create_bulk_serial_device()
2635 if (serial->tiocmget) { in hso_create_bulk_serial_device()
2636 tiocmget = serial->tiocmget; in hso_create_bulk_serial_device()
2646 hso_free_tiomget(serial); in hso_create_bulk_serial_device()
2652 if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE, in hso_create_bulk_serial_device()
2656 serial->in_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, in hso_create_bulk_serial_device()
2658 if (!serial->in_endp) { in hso_create_bulk_serial_device()
2664 (serial->out_endp = in hso_create_bulk_serial_device()
2670 serial->write_data = hso_std_serial_write_data; in hso_create_bulk_serial_device()
2673 set_serial_by_index(serial->minor, serial); in hso_create_bulk_serial_device()
2682 hso_serial_tty_unregister(serial); in hso_create_bulk_serial_device()
2683 hso_serial_common_free(serial); in hso_create_bulk_serial_device()
2685 hso_free_tiomget(serial); in hso_create_bulk_serial_device()
2686 kfree(serial); in hso_create_bulk_serial_device()
2698 struct hso_serial *serial; in hso_create_mux_serial_device() local
2712 serial = kzalloc(sizeof(*serial), GFP_KERNEL); in hso_create_mux_serial_device()
2713 if (!serial) in hso_create_mux_serial_device()
2716 hso_dev->port_data.dev_serial = serial; in hso_create_mux_serial_device()
2717 serial->parent = hso_dev; in hso_create_mux_serial_device()
2720 (serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE)) in hso_create_mux_serial_device()
2723 serial->tx_data_length--; in hso_create_mux_serial_device()
2724 serial->write_data = hso_mux_serial_write_data; in hso_create_mux_serial_device()
2726 serial->shared_int = mux; in hso_create_mux_serial_device()
2727 mutex_lock(&serial->shared_int->shared_int_lock); in hso_create_mux_serial_device()
2728 serial->shared_int->ref_count++; in hso_create_mux_serial_device()
2729 mutex_unlock(&serial->shared_int->shared_int_lock); in hso_create_mux_serial_device()
2732 set_serial_by_index(serial->minor, serial); in hso_create_mux_serial_device()
2741 if (serial) { in hso_create_mux_serial_device()
2742 tty_unregister_device(tty_drv, serial->minor); in hso_create_mux_serial_device()
2743 kfree(serial); in hso_create_mux_serial_device()
3089 struct hso_serial *serial; in hso_free_interface() local
3095 serial = dev2ser(serial_table[i]); in hso_free_interface()
3096 tty_port_tty_hangup(&serial->port, false); in hso_free_interface()
3097 mutex_lock(&serial->parent->mutex); in hso_free_interface()
3098 serial->parent->usb_gone = 1; in hso_free_interface()
3099 mutex_unlock(&serial->parent->mutex); in hso_free_interface()
3102 hso_serial_tty_unregister(serial); in hso_free_interface()