24 	struct uart_port port;  member
44 static void cris_serial_port_init(struct uart_port *port, int line);
45 static void etraxfs_uart_stop_rx(struct uart_port *port);
46 static inline void etraxfs_uart_start_tx_bottom(struct uart_port *port);
93 	struct uart_port *port;  in cris_console_setup()  local
101 	port = &etraxfs_uart_ports[co->index]->port;  in cris_console_setup()
102 	console_port = port;  in cris_console_setup()
109 	cris_serial_port_init(port, co->index);  in cris_console_setup()
110 	uart_set_options(port, co, baud, parity, bits, flow);  in cris_console_setup()
199 static void etraxfs_uart_send_xchar(struct uart_port *port, char ch)  in etraxfs_uart_send_xchar()  argument
201 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_send_xchar()
215 	spin_lock_irqsave(&port->lock, flags);  in etraxfs_uart_send_xchar()
217 		spin_unlock_irqrestore(&port->lock, flags);  in etraxfs_uart_send_xchar()
218 		spin_lock_irqsave(&port->lock, flags);  in etraxfs_uart_send_xchar()
240 	up->port.icount.tx++;  in etraxfs_uart_send_xchar()
272 	spin_unlock_irqrestore(&port->lock, flags);  in etraxfs_uart_send_xchar()
279 static void etraxfs_uart_start_tx(struct uart_port *port)  in etraxfs_uart_start_tx()  argument
281 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_start_tx()
290 	etraxfs_uart_start_tx_bottom(port);  in etraxfs_uart_start_tx()
293 static inline void etraxfs_uart_start_tx_bottom(struct uart_port *port)  in etraxfs_uart_start_tx_bottom()  argument
295 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_start_tx_bottom()
318 static void etraxfs_uart_stop_tx(struct uart_port *port)  in etraxfs_uart_stop_tx()  argument
320 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_stop_tx()
366 static void etraxfs_uart_stop_rx(struct uart_port *port)  in etraxfs_uart_stop_rx()  argument
368 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_stop_rx()
376 static void etraxfs_uart_enable_ms(struct uart_port *port)  in etraxfs_uart_enable_ms()  argument
384 static unsigned int etraxfs_uart_tx_empty(struct uart_port *port)  in etraxfs_uart_tx_empty()  argument
386 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_tx_empty()
391 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_tx_empty()
396 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_tx_empty()
399 static unsigned int etraxfs_uart_get_mctrl(struct uart_port *port)  in etraxfs_uart_get_mctrl()  argument
401 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_get_mctrl()
424 static void etraxfs_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)  in etraxfs_uart_set_mctrl()  argument
426 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_set_mctrl()
440 static void etraxfs_uart_break_ctl(struct uart_port *port, int break_state)  in etraxfs_uart_break_ctl()  argument
442 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_break_ctl()
448 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_break_ctl()
480 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_break_ctl()
487 	struct circ_buf *xmit = &up->port.state->xmit;  in transmit_chars_no_dma()
493 	if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {  in transmit_chars_no_dma()
514 		up->port.icount.tx++;  in transmit_chars_no_dma()
521 		uart_write_wakeup(&up->port);  in transmit_chars_no_dma()
528 	struct tty_port *port;  in receive_chars_no_dma()  local
535 	icount = &up->port.icount;  in receive_chars_no_dma()
536 	port = &up->port.state->port;  in receive_chars_no_dma()
568 		if (!tty_insert_flip_char(port, stat_din.data, flag))  in receive_chars_no_dma()
572 	spin_unlock(&up->port.lock);  in receive_chars_no_dma()
573 	tty_flip_buffer_push(port);  in receive_chars_no_dma()
574 	spin_lock(&up->port.lock);  in receive_chars_no_dma()
584 	spin_lock(&up->port.lock);  in ser_interrupt()
608 	spin_unlock(&up->port.lock);  in ser_interrupt()
613 static int etraxfs_uart_get_poll_char(struct uart_port *port)  in etraxfs_uart_get_poll_char()  argument
617 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_get_poll_char()
630 static void etraxfs_uart_put_poll_char(struct uart_port *port,  in etraxfs_uart_put_poll_char()  argument
634 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_put_poll_char()
643 static int etraxfs_uart_startup(struct uart_port *port)  in etraxfs_uart_startup()  argument
645 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_startup()
651 	if (request_irq(etraxfs_uart_ports[port->line]->irq, ser_interrupt,  in etraxfs_uart_startup()
652 			0, DRV_NAME, etraxfs_uart_ports[port->line]))  in etraxfs_uart_startup()
653 		panic("irq ser%d", port->line);  in etraxfs_uart_startup()
655 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_startup()
659 	etraxfs_uart_set_mctrl(&up->port, up->port.mctrl);  in etraxfs_uart_startup()
661 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_startup()
666 static void etraxfs_uart_shutdown(struct uart_port *port)  in etraxfs_uart_shutdown()  argument
668 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_shutdown()
671 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_shutdown()
673 	etraxfs_uart_stop_tx(port);  in etraxfs_uart_shutdown()
674 	etraxfs_uart_stop_rx(port);  in etraxfs_uart_shutdown()
676 	free_irq(etraxfs_uart_ports[port->line]->irq,  in etraxfs_uart_shutdown()
677 		 etraxfs_uart_ports[port->line]);  in etraxfs_uart_shutdown()
679 	etraxfs_uart_set_mctrl(&up->port, up->port.mctrl);  in etraxfs_uart_shutdown()
681 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_shutdown()
686 etraxfs_uart_set_termios(struct uart_port *port, struct ktermios *termios,  in etraxfs_uart_set_termios()  argument
689 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_set_termios()
743 	if ((port != console_port) || old)  in etraxfs_uart_set_termios()
744 		baud = uart_get_baud_rate(port, termios, old, 0,  in etraxfs_uart_set_termios()
745 					  port->uartclk / 8);  in etraxfs_uart_set_termios()
797 	spin_lock_irqsave(&port->lock, flags);  in etraxfs_uart_set_termios()
803 	uart_update_timeout(port, termios->c_cflag, port->uartclk/8);  in etraxfs_uart_set_termios()
815 	if (up->port.state && up->port.state->port.tty &&  in etraxfs_uart_set_termios()
816 	    (up->port.state->port.tty->termios.c_iflag & IXON)) {  in etraxfs_uart_set_termios()
817 		xoff.chr = STOP_CHAR(up->port.state->port.tty);  in etraxfs_uart_set_termios()
831 	etraxfs_uart_set_mctrl(&up->port, up->port.mctrl);  in etraxfs_uart_set_termios()
832 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_set_termios()
836 etraxfs_uart_type(struct uart_port *port)  in etraxfs_uart_type()  argument
841 static void etraxfs_uart_release_port(struct uart_port *port)  in etraxfs_uart_release_port()  argument
845 static int etraxfs_uart_request_port(struct uart_port *port)  in etraxfs_uart_request_port()  argument
850 static void etraxfs_uart_config_port(struct uart_port *port, int flags)  in etraxfs_uart_config_port()  argument
852 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_config_port()
854 	up->port.type = PORT_CRIS;  in etraxfs_uart_config_port()
880 static void cris_serial_port_init(struct uart_port *port, int line)  in cris_serial_port_init()  argument
882 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in cris_serial_port_init()
887 	port->line = line;  in cris_serial_port_init()
888 	spin_lock_init(&port->lock);  in cris_serial_port_init()
889 	port->ops = &etraxfs_uart_pops;  in cris_serial_port_init()
890 	port->irq = up->irq;  in cris_serial_port_init()
891 	port->iobase = (unsigned long) up->regi_ser;  in cris_serial_port_init()
892 	port->uartclk = 29493000;  in cris_serial_port_init()
903 	port->fifosize = 255;  in cris_serial_port_init()
904 	port->flags = UPF_BOOT_AUTOCONF;  in cris_serial_port_init()
937 	up->port.dev = &pdev->dev;  in etraxfs_uart_probe()
938 	cris_serial_port_init(&up->port, dev_id);  in etraxfs_uart_probe()
941 	platform_set_drvdata(pdev, &up->port);  in etraxfs_uart_probe()
942 	uart_add_one_port(&etraxfs_uart_driver, &up->port);  in etraxfs_uart_probe()
949 	struct uart_port *port;  in etraxfs_uart_remove()  local
951 	port = platform_get_drvdata(pdev);  in etraxfs_uart_remove()
952 	uart_remove_one_port(&etraxfs_uart_driver, port);  in etraxfs_uart_remove()