74 	struct uart_port		port;  member
106 static void sunzilog_putchar(struct uart_port *port, int ch);
294 	sunzilog_maybe_update_regs(up, ZILOG_CHANNEL_FROM_PORT(&up->port));  in sunzilog_change_mouse_baud()
330 	struct tty_port *port = NULL;  in sunzilog_receive_chars()  local
333 	if (up->port.state != NULL)		/* Unopened serial console */  in sunzilog_receive_chars()
334 		port = &up->port.state->port;  in sunzilog_receive_chars()
369 		up->port.icount.rx++;  in sunzilog_receive_chars()
373 				up->port.icount.brk++;  in sunzilog_receive_chars()
374 				if (uart_handle_break(&up->port))  in sunzilog_receive_chars()
378 				up->port.icount.parity++;  in sunzilog_receive_chars()
380 				up->port.icount.frame++;  in sunzilog_receive_chars()
382 				up->port.icount.overrun++;  in sunzilog_receive_chars()
383 			r1 &= up->port.read_status_mask;  in sunzilog_receive_chars()
391 		if (uart_handle_sysrq_char(&up->port, ch) || !port)  in sunzilog_receive_chars()
394 		if (up->port.ignore_status_mask == 0xff ||  in sunzilog_receive_chars()
395 		    (r1 & up->port.ignore_status_mask) == 0) {  in sunzilog_receive_chars()
396 		    	tty_insert_flip_char(port, ch, flag);  in sunzilog_receive_chars()
399 			tty_insert_flip_char(port, 0, TTY_OVERRUN);  in sunzilog_receive_chars()
402 	return port;  in sunzilog_receive_chars()
437 			up->port.icount.dsr++;  in sunzilog_status_handle()
444 			uart_handle_dcd_change(&up->port,  in sunzilog_status_handle()
447 			uart_handle_cts_change(&up->port,  in sunzilog_status_handle()
450 		wake_up_interruptible(&up->port.state->port.delta_msr_wait);  in sunzilog_status_handle()
489 	if (up->port.x_char) {  in sunzilog_transmit_chars()
491 		writeb(up->port.x_char, &channel->data);  in sunzilog_transmit_chars()
495 		up->port.icount.tx++;  in sunzilog_transmit_chars()
496 		up->port.x_char = 0;  in sunzilog_transmit_chars()
500 	if (up->port.state == NULL)  in sunzilog_transmit_chars()
502 	xmit = &up->port.state->xmit;  in sunzilog_transmit_chars()
506 	if (uart_tx_stopped(&up->port))  in sunzilog_transmit_chars()
515 	up->port.icount.tx++;  in sunzilog_transmit_chars()
518 		uart_write_wakeup(&up->port);  in sunzilog_transmit_chars()
534 			= ZILOG_CHANNEL_FROM_PORT(&up->port);  in sunzilog_interrupt()
535 		struct tty_port *port;  in sunzilog_interrupt()  local
538 		spin_lock(&up->port.lock);  in sunzilog_interrupt()
542 		port = NULL;  in sunzilog_interrupt()
549 				port = sunzilog_receive_chars(up, channel);  in sunzilog_interrupt()
555 		spin_unlock(&up->port.lock);  in sunzilog_interrupt()
557 		if (port)  in sunzilog_interrupt()
558 			tty_flip_buffer_push(port);  in sunzilog_interrupt()
562 		channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in sunzilog_interrupt()
564 		spin_lock(&up->port.lock);  in sunzilog_interrupt()
565 		port = NULL;  in sunzilog_interrupt()
572 				port = sunzilog_receive_chars(up, channel);  in sunzilog_interrupt()
578 		spin_unlock(&up->port.lock);  in sunzilog_interrupt()
580 		if (port)  in sunzilog_interrupt()
581 			tty_flip_buffer_push(port);  in sunzilog_interrupt()
592 static __inline__ unsigned char sunzilog_read_channel_status(struct uart_port *port)  in sunzilog_read_channel_status()  argument
597 	channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_read_channel_status()
605 static unsigned int sunzilog_tx_empty(struct uart_port *port)  in sunzilog_tx_empty()  argument
611 	spin_lock_irqsave(&port->lock, flags);  in sunzilog_tx_empty()
613 	status = sunzilog_read_channel_status(port);  in sunzilog_tx_empty()
615 	spin_unlock_irqrestore(&port->lock, flags);  in sunzilog_tx_empty()
626 static unsigned int sunzilog_get_mctrl(struct uart_port *port)  in sunzilog_get_mctrl()  argument
631 	status = sunzilog_read_channel_status(port);  in sunzilog_get_mctrl()
645 static void sunzilog_set_mctrl(struct uart_port *port, unsigned int mctrl)  in sunzilog_set_mctrl()  argument
648 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_set_mctrl()
649 	struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_set_mctrl()
670 static void sunzilog_stop_tx(struct uart_port *port)  in sunzilog_stop_tx()  argument
673 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_stop_tx()
679 static void sunzilog_start_tx(struct uart_port *port)  in sunzilog_start_tx()  argument
682 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_start_tx()
683 	struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_start_tx()
699 	if (port->x_char) {  in sunzilog_start_tx()
700 		writeb(port->x_char, &channel->data);  in sunzilog_start_tx()
704 		port->icount.tx++;  in sunzilog_start_tx()
705 		port->x_char = 0;  in sunzilog_start_tx()
707 		struct circ_buf *xmit = &port->state->xmit;  in sunzilog_start_tx()
716 		port->icount.tx++;  in sunzilog_start_tx()
719 			uart_write_wakeup(&up->port);  in sunzilog_start_tx()
724 static void sunzilog_stop_rx(struct uart_port *port)  in sunzilog_stop_rx()  argument
726 	struct uart_sunzilog_port *up = UART_ZILOG(port);  in sunzilog_stop_rx()
732 	channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_stop_rx()
740 static void sunzilog_enable_ms(struct uart_port *port)  in sunzilog_enable_ms()  argument
743 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_enable_ms()
744 	struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_enable_ms()
757 static void sunzilog_break_ctl(struct uart_port *port, int break_state)  in sunzilog_break_ctl()  argument
760 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_break_ctl()
761 	struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_break_ctl()
772 	spin_lock_irqsave(&port->lock, flags);  in sunzilog_break_ctl()
782 	spin_unlock_irqrestore(&port->lock, flags);  in sunzilog_break_ctl()
789 	channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in __sunzilog_startup()
800 static int sunzilog_startup(struct uart_port *port)  in sunzilog_startup()  argument
802 	struct uart_sunzilog_port *up = UART_ZILOG(port);  in sunzilog_startup()
808 	spin_lock_irqsave(&port->lock, flags);  in sunzilog_startup()
810 	spin_unlock_irqrestore(&port->lock, flags);  in sunzilog_startup()
839 static void sunzilog_shutdown(struct uart_port *port)  in sunzilog_shutdown()  argument
841 	struct uart_sunzilog_port *up = UART_ZILOG(port);  in sunzilog_shutdown()
848 	spin_lock_irqsave(&port->lock, flags);  in sunzilog_shutdown()
850 	channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_shutdown()
861 	spin_unlock_irqrestore(&port->lock, flags);  in sunzilog_shutdown()
922 	up->port.read_status_mask = Rx_OVR;  in sunzilog_convert_to_zs()
924 		up->port.read_status_mask |= CRC_ERR | PAR_ERR;  in sunzilog_convert_to_zs()
926 		up->port.read_status_mask |= BRK_ABRT;  in sunzilog_convert_to_zs()
928 	up->port.ignore_status_mask = 0;  in sunzilog_convert_to_zs()
930 		up->port.ignore_status_mask |= CRC_ERR | PAR_ERR;  in sunzilog_convert_to_zs()
932 		up->port.ignore_status_mask |= BRK_ABRT;  in sunzilog_convert_to_zs()
934 			up->port.ignore_status_mask |= Rx_OVR;  in sunzilog_convert_to_zs()
938 		up->port.ignore_status_mask = 0xff;  in sunzilog_convert_to_zs()
943 sunzilog_set_termios(struct uart_port *port, struct ktermios *termios,  in sunzilog_set_termios()  argument
947 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_set_termios()
951 	baud = uart_get_baud_rate(port, termios, old, 1200, 76800);  in sunzilog_set_termios()
953 	spin_lock_irqsave(&up->port.lock, flags);  in sunzilog_set_termios()
959 	if (UART_ENABLE_MS(&up->port, termios->c_cflag))  in sunzilog_set_termios()
966 	sunzilog_maybe_update_regs(up, ZILOG_CHANNEL_FROM_PORT(port));  in sunzilog_set_termios()
968 	uart_update_timeout(port, termios->c_cflag, baud);  in sunzilog_set_termios()
970 	spin_unlock_irqrestore(&up->port.lock, flags);  in sunzilog_set_termios()
973 static const char *sunzilog_type(struct uart_port *port)  in sunzilog_type()  argument
975 	struct uart_sunzilog_port *up = UART_ZILOG(port);  in sunzilog_type()
983 static void sunzilog_release_port(struct uart_port *port)  in sunzilog_release_port()  argument
987 static int sunzilog_request_port(struct uart_port *port)  in sunzilog_request_port()  argument
993 static void sunzilog_config_port(struct uart_port *port, int flags)  in sunzilog_config_port()  argument
998 static int sunzilog_verify_port(struct uart_port *port, struct serial_struct *ser)  in sunzilog_verify_port()  argument
1004 static int sunzilog_get_poll_char(struct uart_port *port)  in sunzilog_get_poll_char()  argument
1008 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_get_poll_char()
1010 		= ZILOG_CHANNEL_FROM_PORT(&up->port);  in sunzilog_get_poll_char()
1039 static void sunzilog_put_poll_char(struct uart_port *port,  in sunzilog_put_poll_char()  argument
1043 		container_of(port, struct uart_sunzilog_port, port);  in sunzilog_put_poll_char()
1045 	sunzilog_putchar(&up->port, ch);  in sunzilog_put_poll_char()
1100 		spin_lock_init(&up->port.lock);  in sunzilog_alloc_tables()
1131 static void sunzilog_putchar(struct uart_port *port, int ch)  in sunzilog_putchar()  argument
1133 	struct zilog_channel __iomem *channel = ZILOG_CHANNEL_FROM_PORT(port);  in sunzilog_putchar()
1164 	sunzilog_putchar(&up->port, ch);  in sunzilog_serio_write()
1208 	if (up->port.sysrq || oops_in_progress)  in sunzilog_console_write()
1209 		locked = spin_trylock_irqsave(&up->port.lock, flags);  in sunzilog_console_write()
1211 		spin_lock_irqsave(&up->port.lock, flags);  in sunzilog_console_write()
1213 	uart_console_write(&up->port, s, count, sunzilog_putchar);  in sunzilog_console_write()
1217 		spin_unlock_irqrestore(&up->port.lock, flags);  in sunzilog_console_write()
1226 	if (up->port.type != PORT_SUNZILOG)  in sunzilog_console_setup()
1233 	sunserial_console_termios(con, up->port.dev->of_node);  in sunzilog_console_setup()
1252 	spin_lock_irqsave(&up->port.lock, flags);  in sunzilog_console_setup()
1257 	sunzilog_set_mctrl(&up->port, TIOCM_DTR | TIOCM_RTS);  in sunzilog_console_setup()
1260 	spin_unlock_irqrestore(&up->port.lock, flags);  in sunzilog_console_setup()
1299 	sunzilog_set_mctrl(&up->port, TIOCM_DTR | TIOCM_RTS);  in sunzilog_init_kbdms()
1327 	serio->dev.parent = up->port.dev;  in sunzilog_register_serio()
1339 	channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in sunzilog_init_hw()
1341 	spin_lock_irqsave(&up->port.lock, flags);  in sunzilog_init_hw()
1391 	spin_unlock_irqrestore(&up->port.lock, flags);  in sunzilog_init_hw()
1434 	up[0].port.mapbase = op->resource[0].start + 0x00;  in zs_probe()
1435 	up[0].port.membase = (void __iomem *) &rp->channelA;  in zs_probe()
1436 	up[0].port.iotype = UPIO_MEM;  in zs_probe()
1437 	up[0].port.irq = op->archdata.irqs[0];  in zs_probe()
1438 	up[0].port.uartclk = ZS_CLOCK;  in zs_probe()
1439 	up[0].port.fifosize = 1;  in zs_probe()
1440 	up[0].port.ops = &sunzilog_pops;  in zs_probe()
1441 	up[0].port.type = PORT_SUNZILOG;  in zs_probe()
1442 	up[0].port.flags = 0;  in zs_probe()
1443 	up[0].port.line = (inst * 2) + 0;  in zs_probe()
1444 	up[0].port.dev = &op->dev;  in zs_probe()
1451 	up[1].port.mapbase = op->resource[0].start + 0x04;  in zs_probe()
1452 	up[1].port.membase = (void __iomem *) &rp->channelB;  in zs_probe()
1453 	up[1].port.iotype = UPIO_MEM;  in zs_probe()
1454 	up[1].port.irq = op->archdata.irqs[0];  in zs_probe()
1455 	up[1].port.uartclk = ZS_CLOCK;  in zs_probe()
1456 	up[1].port.fifosize = 1;  in zs_probe()
1457 	up[1].port.ops = &sunzilog_pops;  in zs_probe()
1458 	up[1].port.type = PORT_SUNZILOG;  in zs_probe()
1459 	up[1].port.flags = 0;  in zs_probe()
1460 	up[1].port.line = (inst * 2) + 1;  in zs_probe()
1461 	up[1].port.dev = &op->dev;  in zs_probe()
1469 					    &sunzilog_reg, up[0].port.line,  in zs_probe()
1472 		err = uart_add_one_port(&sunzilog_reg, &up[0].port);  in zs_probe()
1479 					    &sunzilog_reg, up[1].port.line,  in zs_probe()
1482 		err = uart_add_one_port(&sunzilog_reg, &up[1].port);  in zs_probe()
1484 			uart_remove_one_port(&sunzilog_reg, &up[0].port);  in zs_probe()
1494 		       (unsigned long long) up[0].port.mapbase,  in zs_probe()
1495 		       op->archdata.irqs[0], sunzilog_type(&up[0].port));  in zs_probe()
1499 		       (unsigned long long) up[1].port.mapbase,  in zs_probe()
1500 		       op->archdata.irqs[0], sunzilog_type(&up[1].port));  in zs_probe()
1516 		uart_remove_one_port(&sunzilog_reg, &up->port);  in zs_remove_one()
1527 	regs = sunzilog_chip_regs[up[0].port.line / 2];  in zs_remove()
1592 			channel          = ZILOG_CHANNEL_FROM_PORT(&up->port);  in sunzilog_init()
1629 			channel          = ZILOG_CHANNEL_FROM_PORT(&up->port);  in sunzilog_exit()