274 	u8 port;  member
284 	u8 port;  member
339 	u8 port;  member
347 	u8 port;  member
352 struct port {  struct
353 	struct tty_port port;  member
386 	struct port port[NOZOMI_MAX_PORTS];  argument
423 static inline struct port *get_port_by_tty(const struct tty_struct *tty)  in get_port_by_tty()
426 	return ndev ? &ndev->port[tty->index % MAX_PORT] : NULL;  in get_port_by_tty()
535 	dc->port[PORT_MDM].dl_addr[CH_A] = offset;  in nozomi_setup_memory()
536 	dc->port[PORT_MDM].dl_addr[CH_B] =  in nozomi_setup_memory()
538 	dc->port[PORT_MDM].dl_size[CH_A] =  in nozomi_setup_memory()
540 	dc->port[PORT_MDM].dl_size[CH_B] =  in nozomi_setup_memory()
544 	dc->port[PORT_DIAG].dl_addr[CH_A] =  in nozomi_setup_memory()
546 	dc->port[PORT_DIAG].dl_size[CH_A] =  in nozomi_setup_memory()
548 	dc->port[PORT_DIAG].dl_addr[CH_B] =  in nozomi_setup_memory()
550 	dc->port[PORT_DIAG].dl_size[CH_B] =  in nozomi_setup_memory()
554 	dc->port[PORT_APP1].dl_addr[CH_A] =  in nozomi_setup_memory()
556 	dc->port[PORT_APP1].dl_size[CH_A] =  in nozomi_setup_memory()
560 	dc->port[PORT_APP2].dl_addr[CH_A] =  in nozomi_setup_memory()
562 	dc->port[PORT_APP2].dl_size[CH_A] =  in nozomi_setup_memory()
566 	dc->port[PORT_CTRL].dl_addr[CH_A] =  in nozomi_setup_memory()
568 	dc->port[PORT_CTRL].dl_size[CH_A] =  in nozomi_setup_memory()
574 	dc->port[PORT_MDM].ul_addr[CH_A] = offset;  in nozomi_setup_memory()
575 	dc->port[PORT_MDM].ul_size[CH_A] =  in nozomi_setup_memory()
577 	dc->port[PORT_MDM].ul_addr[CH_B] =  in nozomi_setup_memory()
579 	dc->port[PORT_MDM].ul_size[CH_B] =  in nozomi_setup_memory()
583 	dc->port[PORT_DIAG].ul_addr[CH_A] =  in nozomi_setup_memory()
585 	dc->port[PORT_DIAG].ul_size[CH_A] =  in nozomi_setup_memory()
589 	dc->port[PORT_APP1].ul_addr[CH_A] =  in nozomi_setup_memory()
591 	dc->port[PORT_APP1].ul_size[CH_A] =  in nozomi_setup_memory()
595 	dc->port[PORT_APP2].ul_addr[CH_A] =  in nozomi_setup_memory()
597 	dc->port[PORT_APP2].ul_size[CH_A] =  in nozomi_setup_memory()
601 	dc->port[PORT_CTRL].ul_addr[CH_A] =  in nozomi_setup_memory()
603 	dc->port[PORT_CTRL].ul_size[CH_A] =  in nozomi_setup_memory()
676 		dc->port[PORT_MDM].toggle_ul = dc->config_table.toggle.mdm_ul;  in nozomi_read_config_table()
677 		dc->port[PORT_MDM].toggle_dl = dc->config_table.toggle.mdm_dl;  in nozomi_read_config_table()
678 		dc->port[PORT_DIAG].toggle_dl = dc->config_table.toggle.diag_dl;  in nozomi_read_config_table()
680 		   dc->port[PORT_MDM].toggle_ul,  in nozomi_read_config_table()
681 		   dc->port[PORT_MDM].toggle_dl, dc->port[PORT_DIAG].toggle_dl);  in nozomi_read_config_table()
686 			memset(&dc->port[i].ctrl_dl, 0, sizeof(struct ctrl_dl));  in nozomi_read_config_table()
687 			memset(&dc->port[i].ctrl_ul, 0, sizeof(struct ctrl_ul));  in nozomi_read_config_table()
716 		write_mem32(dc->port[PORT_MDM].ul_addr[CH_A],  in nozomi_read_config_table()
718 		write_mem32(dc->port[PORT_MDM].ul_addr[CH_B],  in nozomi_read_config_table()
730 static void enable_transmit_ul(enum port_type port, struct nozomi *dc)  in enable_transmit_ul()  argument
734 	if (port < NOZOMI_MAX_PORTS) {  in enable_transmit_ul()
735 		dc->last_ier |= mask[port];  in enable_transmit_ul()
743 static void disable_transmit_ul(enum port_type port, struct nozomi *dc)  in disable_transmit_ul()  argument
748 	if (port < NOZOMI_MAX_PORTS) {  in disable_transmit_ul()
749 		dc->last_ier &= mask[port];  in disable_transmit_ul()
757 static void enable_transmit_dl(enum port_type port, struct nozomi *dc)  in enable_transmit_dl()  argument
761 	if (port < NOZOMI_MAX_PORTS) {  in enable_transmit_dl()
762 		dc->last_ier |= mask[port];  in enable_transmit_dl()
770 static void disable_transmit_dl(enum port_type port, struct nozomi *dc)  in disable_transmit_dl()  argument
775 	if (port < NOZOMI_MAX_PORTS) {  in disable_transmit_dl()
776 		dc->last_ier &= mask[port];  in disable_transmit_dl()
790 	struct port *port = &dc->port[index];  in send_data()  local
791 	const u8 toggle = port->toggle_ul;  in send_data()
792 	void __iomem *addr = port->ul_addr[toggle];  in send_data()
793 	const u32 ul_size = port->ul_size[toggle];  in send_data()
796 	size = kfifo_out(&port->fifo_ul, dc->send_buf,  in send_data()
810 	tty_port_tty_wakeup(&port->port);  in send_data()
821 	struct port *port = &dc->port[index];  in receive_data()  local
822 	void __iomem *addr = port->dl_addr[port->toggle_dl];  in receive_data()
823 	struct tty_struct *tty = tty_port_tty_get(&port->port);  in receive_data()
849 			tty_insert_flip_char(&port->port, buf[0], TTY_NORMAL);  in receive_data()
852 			size -= tty_insert_flip_string(&port->port,  in receive_data()
855 			i = tty_insert_flip_string(&port->port,  in receive_data()
921 	enum port_type port = PORT_MDM;  in receive_flow_control()  local
926 	read_mem32((u32 *) &ctrl_dl, dc->port[PORT_CTRL].dl_addr[CH_A], 2);  in receive_flow_control()
928 	switch (ctrl_dl.port) {  in receive_flow_control()
935 		port = PORT_MDM;  in receive_flow_control()
939 		port = PORT_DIAG;  in receive_flow_control()
943 		port = PORT_APP1;  in receive_flow_control()
947 		port = PORT_APP2;  in receive_flow_control()
964 	DBG1("0x%04X->0x%04X", *((u16 *)&dc->port[port].ctrl_dl),  in receive_flow_control()
967 	old_ctrl = dc->port[port].ctrl_dl;  in receive_flow_control()
968 	dc->port[port].ctrl_dl = ctrl_dl;  in receive_flow_control()
972 			enable_ier, port);  in receive_flow_control()
973 		disable_transmit_ul(port, dc);  in receive_flow_control()
977 		if (kfifo_len(&dc->port[port].fifo_ul)) {  in receive_flow_control()
979 				enable_ier, port);  in receive_flow_control()
981 				kfifo_len(&dc->port[port].fifo_ul));  in receive_flow_control()
982 			enable_transmit_ul(port, dc);  in receive_flow_control()
994 		dc->port[port].tty_icount.cts++;  in receive_flow_control()
996 		dc->port[port].tty_icount.dsr++;  in receive_flow_control()
998 		dc->port[port].tty_icount.rng++;  in receive_flow_control()
1000 		dc->port[port].tty_icount.dcd++;  in receive_flow_control()
1002 	wake_up_interruptible(&dc->port[port].tty_wait);  in receive_flow_control()
1005 	   port,  in receive_flow_control()
1006 	   dc->port[port].tty_icount.dcd, dc->port[port].tty_icount.cts,  in receive_flow_control()
1007 	   dc->port[port].tty_icount.rng, dc->port[port].tty_icount.dsr);  in receive_flow_control()
1012 static enum ctrl_port_type port2ctrl(enum port_type port,  in port2ctrl()  argument
1015 	switch (port) {  in port2ctrl()
1043 		if (dc->port[i].update_flow_control) {  in send_flow_control()
1048 			dc->port[i].ctrl_ul.port = port2ctrl(i, dc);  in send_flow_control()
1049 			ctrl = (u16 *)&dc->port[i].ctrl_ul;  in send_flow_control()
1050 			write_mem32(dc->port[PORT_CTRL].ul_addr[0], \  in send_flow_control()
1052 			dc->port[i].update_flow_control = 0;  in send_flow_control()
1064 static int handle_data_dl(struct nozomi *dc, enum port_type port, u8 *toggle,  in handle_data_dl()  argument
1068 		if (receive_data(port, dc)) {  in handle_data_dl()
1074 			if (receive_data(port, dc)) {  in handle_data_dl()
1080 		if (receive_data(port, dc)) {  in handle_data_dl()
1086 			if (receive_data(port, dc)) {  in handle_data_dl()
1104 static int handle_data_ul(struct nozomi *dc, enum port_type port, u16 read_iir)  in handle_data_ul()  argument
1106 	u8 *toggle = &(dc->port[port].toggle_ul);  in handle_data_ul()
1111 		if (send_data(port, dc)) {  in handle_data_ul()
1121 			if (send_data(port, dc)) {  in handle_data_ul()
1132 		if (send_data(port, dc)) {  in handle_data_ul()
1142 			if (send_data(port, dc)) {  in handle_data_ul()
1213 				&(dc->port[PORT_MDM].toggle_dl), read_iir,  in interrupt_handler()
1227 				&(dc->port[PORT_DIAG].toggle_dl), read_iir,  in interrupt_handler()
1274 			tty_flip_buffer_push(&dc->port[a].port);  in interrupt_handler()
1307 	dc->port[PORT_MDM].token_dl = MDM_DL;  in nozomi_setup_private_data()
1308 	dc->port[PORT_DIAG].token_dl = DIAG_DL;  in nozomi_setup_private_data()
1309 	dc->port[PORT_APP1].token_dl = APP1_DL;  in nozomi_setup_private_data()
1310 	dc->port[PORT_APP2].token_dl = APP2_DL;  in nozomi_setup_private_data()
1313 		init_waitqueue_head(&dc->port[i].tty_wait);  in nozomi_setup_private_data()
1419 		if (kfifo_alloc(&dc->port[i].fifo_ul, FIFO_BUFFER_SIZE_UL,  in nozomi_card_init()
1460 		struct port *port = &dc->port[i];  in nozomi_card_init()  local
1461 		port->dc = dc;  in nozomi_card_init()
1462 		tty_port_init(&port->port);  in nozomi_card_init()
1463 		port->port.ops = &noz_tty_port_ops;  in nozomi_card_init()
1464 		tty_dev = tty_port_register_device(&port->port, ntty_driver,  in nozomi_card_init()
1470 			tty_port_destroy(&port->port);  in nozomi_card_init()
1480 		tty_port_destroy(&dc->port[i].port);  in nozomi_card_init()
1484 		kfifo_free(&dc->port[i].fifo_ul);  in nozomi_card_init()
1505 		tty_port_tty_hangup(&dc->port[i].port, false);  in tty_exit()
1513 		tty_port_destroy(&dc->port[i].port);  in tty_exit()
1532 	ctrl.port = 0x00;  in nozomi_card_exit()
1539 	write_mem32(dc->port[PORT_CTRL].ul_addr[0], (u32 *)&ctrl, 2);  in nozomi_card_exit()
1547 		kfifo_free(&dc->port[i].fifo_ul);  in nozomi_card_exit()
1564 	struct port *port = get_port_by_tty(tty);  in set_rts()  local
1566 	port->ctrl_ul.RTS = rts;  in set_rts()
1567 	port->update_flow_control = 1;  in set_rts()
1573 	struct port *port = get_port_by_tty(tty);  in set_dtr()  local
1577 	port->ctrl_ul.DTR = dtr;  in set_dtr()
1578 	port->update_flow_control = 1;  in set_dtr()
1590 	struct port *port = get_port_by_tty(tty);  in ntty_install()  local
1593 	if (!port || !dc || dc->state != NOZOMI_STATE_READY)  in ntty_install()
1597 		tty->driver_data = port;  in ntty_install()
1608 	struct port *port = container_of(tport, struct port, port);  in ntty_activate()  local
1609 	struct nozomi *dc = port->dc;  in ntty_activate()
1612 	DBG1("open: %d", port->token_dl);  in ntty_activate()
1614 	dc->last_ier = dc->last_ier | port->token_dl;  in ntty_activate()
1624 	struct port *port = tty->driver_data;  in ntty_open()  local
1625 	return tty_port_open(&port->port, tty, filp);  in ntty_open()
1630 	struct port *port = container_of(tport, struct port, port);  in ntty_shutdown()  local
1631 	struct nozomi *dc = port->dc;  in ntty_shutdown()
1634 	DBG1("close: %d", port->token_dl);  in ntty_shutdown()
1636 	dc->last_ier &= ~(port->token_dl);  in ntty_shutdown()
1645 	struct port *port = tty->driver_data;  in ntty_close()  local
1646 	if (port)  in ntty_close()
1647 		tty_port_close(&port->port, tty, filp);  in ntty_close()
1652 	struct port *port = tty->driver_data;  in ntty_hangup()  local
1653 	tty_port_hangup(&port->port);  in ntty_hangup()
1665 	struct port *port = tty->driver_data;  in ntty_write()  local
1670 	if (!dc || !port)  in ntty_write()
1673 	rval = kfifo_in(&port->fifo_ul, (unsigned char *)buffer, count);  in ntty_write()
1677 	if (port == &(dc->port[PORT_MDM])) {  in ntty_write()
1678 		if (port->ctrl_dl.CTS) {  in ntty_write()
1704 	struct port *port = tty->driver_data;  in ntty_write_room()  local
1709 		room = kfifo_avail(&port->fifo_ul);  in ntty_write_room()
1717 	const struct port *port = tty->driver_data;  in ntty_tiocmget()  local
1718 	const struct ctrl_dl *ctrl_dl = &port->ctrl_dl;  in ntty_tiocmget()
1719 	const struct ctrl_ul *ctrl_ul = &port->ctrl_ul;  in ntty_tiocmget()
1753 static int ntty_cflags_changed(struct port *port, unsigned long flags,  in ntty_cflags_changed()  argument
1756 	const struct async_icount cnow = port->tty_icount;  in ntty_cflags_changed()
1772 	struct port *port = tty->driver_data;  in ntty_tiocgicount()  local
1773 	const struct async_icount cnow = port->tty_icount;  in ntty_tiocgicount()
1792 	struct port *port = tty->driver_data;  in ntty_ioctl()  local
1799 		struct async_icount cprev = port->tty_icount;  in ntty_ioctl()
1801 		rval = wait_event_interruptible(port->tty_wait,  in ntty_ioctl()
1802 				ntty_cflags_changed(port, arg, &cprev));  in ntty_ioctl()
1848 	struct port *port = tty->driver_data;  in ntty_chars_in_buffer()  local
1852 	if (unlikely(!dc || !port)) {  in ntty_chars_in_buffer()
1856 	rval = kfifo_len(&port->fifo_ul);  in ntty_chars_in_buffer()