26 	struct uart_port port;  member
43 static void cris_serial_port_init(struct uart_port *port, int line);
44 static void etraxfs_uart_stop_rx(struct uart_port *port);
45 static inline void etraxfs_uart_start_tx_bottom(struct uart_port *port);
92 	struct uart_port *port;  in cris_console_setup()  local
100 	port = &etraxfs_uart_ports[co->index]->port;  in cris_console_setup()
101 	console_port = port;  in cris_console_setup()
108 	cris_serial_port_init(port, co->index);  in cris_console_setup()
109 	uart_set_options(port, co, baud, parity, bits, flow);  in cris_console_setup()
191 static void etraxfs_uart_send_xchar(struct uart_port *port, char ch)  in etraxfs_uart_send_xchar()  argument
193 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_send_xchar()
207 	spin_lock_irqsave(&port->lock, flags);  in etraxfs_uart_send_xchar()
209 		spin_unlock_irqrestore(&port->lock, flags);  in etraxfs_uart_send_xchar()
210 		spin_lock_irqsave(&port->lock, flags);  in etraxfs_uart_send_xchar()
232 	up->port.icount.tx++;  in etraxfs_uart_send_xchar()
264 	spin_unlock_irqrestore(&port->lock, flags);  in etraxfs_uart_send_xchar()
271 static void etraxfs_uart_start_tx(struct uart_port *port)  in etraxfs_uart_start_tx()  argument
273 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_start_tx()
282 	etraxfs_uart_start_tx_bottom(port);  in etraxfs_uart_start_tx()
285 static inline void etraxfs_uart_start_tx_bottom(struct uart_port *port)  in etraxfs_uart_start_tx_bottom()  argument
287 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_start_tx_bottom()
310 static void etraxfs_uart_stop_tx(struct uart_port *port)  in etraxfs_uart_stop_tx()  argument
312 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_stop_tx()
358 static void etraxfs_uart_stop_rx(struct uart_port *port)  in etraxfs_uart_stop_rx()  argument
360 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_stop_rx()
368 static unsigned int etraxfs_uart_tx_empty(struct uart_port *port)  in etraxfs_uart_tx_empty()  argument
370 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_tx_empty()
375 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_tx_empty()
380 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_tx_empty()
383 static unsigned int etraxfs_uart_get_mctrl(struct uart_port *port)  in etraxfs_uart_get_mctrl()  argument
385 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_get_mctrl()
396 static void etraxfs_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)  in etraxfs_uart_set_mctrl()  argument
398 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_set_mctrl()
404 static void etraxfs_uart_break_ctl(struct uart_port *port, int break_state)  in etraxfs_uart_break_ctl()  argument
406 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_break_ctl()
412 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_break_ctl()
444 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_break_ctl()
451 	struct circ_buf *xmit = &up->port.state->xmit;  in transmit_chars_no_dma()
457 	if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {  in transmit_chars_no_dma()
478 		up->port.icount.tx++;  in transmit_chars_no_dma()
485 		uart_write_wakeup(&up->port);  in transmit_chars_no_dma()
492 	struct tty_port *port;  in receive_chars_no_dma()  local
499 	icount = &up->port.icount;  in receive_chars_no_dma()
500 	port = &up->port.state->port;  in receive_chars_no_dma()
532 		if (!tty_insert_flip_char(port, stat_din.data, flag))  in receive_chars_no_dma()
536 	spin_unlock(&up->port.lock);  in receive_chars_no_dma()
537 	tty_flip_buffer_push(port);  in receive_chars_no_dma()
538 	spin_lock(&up->port.lock);  in receive_chars_no_dma()
548 	spin_lock(&up->port.lock);  in ser_interrupt()
571 	spin_unlock(&up->port.lock);  in ser_interrupt()
576 static int etraxfs_uart_get_poll_char(struct uart_port *port)  in etraxfs_uart_get_poll_char()  argument
580 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_get_poll_char()
593 static void etraxfs_uart_put_poll_char(struct uart_port *port,  in etraxfs_uart_put_poll_char()  argument
597 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_put_poll_char()
606 static int etraxfs_uart_startup(struct uart_port *port)  in etraxfs_uart_startup()  argument
608 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_startup()
614 	if (request_irq(etraxfs_uart_ports[port->line]->irq, ser_interrupt,  in etraxfs_uart_startup()
615 			0, DRV_NAME, etraxfs_uart_ports[port->line]))  in etraxfs_uart_startup()
616 		panic("irq ser%d", port->line);  in etraxfs_uart_startup()
618 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_startup()
622 	etraxfs_uart_set_mctrl(&up->port, up->port.mctrl);  in etraxfs_uart_startup()
624 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_startup()
629 static void etraxfs_uart_shutdown(struct uart_port *port)  in etraxfs_uart_shutdown()  argument
631 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_shutdown()
634 	spin_lock_irqsave(&up->port.lock, flags);  in etraxfs_uart_shutdown()
636 	etraxfs_uart_stop_tx(port);  in etraxfs_uart_shutdown()
637 	etraxfs_uart_stop_rx(port);  in etraxfs_uart_shutdown()
639 	free_irq(etraxfs_uart_ports[port->line]->irq,  in etraxfs_uart_shutdown()
640 		 etraxfs_uart_ports[port->line]);  in etraxfs_uart_shutdown()
642 	etraxfs_uart_set_mctrl(&up->port, up->port.mctrl);  in etraxfs_uart_shutdown()
644 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_shutdown()
649 etraxfs_uart_set_termios(struct uart_port *port, struct ktermios *termios,  in etraxfs_uart_set_termios()  argument
652 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_set_termios()
706 	if ((port != console_port) || old)  in etraxfs_uart_set_termios()
707 		baud = uart_get_baud_rate(port, termios, old, 0,  in etraxfs_uart_set_termios()
708 					  port->uartclk / 8);  in etraxfs_uart_set_termios()
760 	spin_lock_irqsave(&port->lock, flags);  in etraxfs_uart_set_termios()
766 	uart_update_timeout(port, termios->c_cflag, port->uartclk/8);  in etraxfs_uart_set_termios()
778 	if (up->port.state && up->port.state->port.tty &&  in etraxfs_uart_set_termios()
779 	    (up->port.state->port.tty->termios.c_iflag & IXON)) {  in etraxfs_uart_set_termios()
780 		xoff.chr = STOP_CHAR(up->port.state->port.tty);  in etraxfs_uart_set_termios()
794 	etraxfs_uart_set_mctrl(&up->port, up->port.mctrl);  in etraxfs_uart_set_termios()
795 	spin_unlock_irqrestore(&up->port.lock, flags);  in etraxfs_uart_set_termios()
799 etraxfs_uart_type(struct uart_port *port)  in etraxfs_uart_type()  argument
804 static void etraxfs_uart_release_port(struct uart_port *port)  in etraxfs_uart_release_port()  argument
808 static int etraxfs_uart_request_port(struct uart_port *port)  in etraxfs_uart_request_port()  argument
813 static void etraxfs_uart_config_port(struct uart_port *port, int flags)  in etraxfs_uart_config_port()  argument
815 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in etraxfs_uart_config_port()
817 	up->port.type = PORT_CRIS;  in etraxfs_uart_config_port()
842 static void cris_serial_port_init(struct uart_port *port, int line)  in cris_serial_port_init()  argument
844 	struct uart_cris_port *up = (struct uart_cris_port *)port;  in cris_serial_port_init()
849 	port->line = line;  in cris_serial_port_init()
850 	spin_lock_init(&port->lock);  in cris_serial_port_init()
851 	port->ops = &etraxfs_uart_pops;  in cris_serial_port_init()
852 	port->irq = up->irq;  in cris_serial_port_init()
853 	port->iobase = (unsigned long) up->regi_ser;  in cris_serial_port_init()
854 	port->uartclk = 29493000;  in cris_serial_port_init()
865 	port->fifosize = 255;  in cris_serial_port_init()
866 	port->flags = UPF_BOOT_AUTOCONF;  in cris_serial_port_init()
895 	up->port.dev = &pdev->dev;  in etraxfs_uart_probe()
901 	cris_serial_port_init(&up->port, dev_id);  in etraxfs_uart_probe()
904 	platform_set_drvdata(pdev, &up->port);  in etraxfs_uart_probe()
905 	uart_add_one_port(&etraxfs_uart_driver, &up->port);  in etraxfs_uart_probe()
912 	struct uart_port *port;  in etraxfs_uart_remove()  local
914 	port = platform_get_drvdata(pdev);  in etraxfs_uart_remove()
915 	uart_remove_one_port(&etraxfs_uart_driver, port);  in etraxfs_uart_remove()
916 	etraxfs_uart_ports[port->line] = NULL;  in etraxfs_uart_remove()