55 	struct uart_port port;  member
112 static unsigned int mux_tx_empty(struct uart_port *port)  in mux_tx_empty()  argument
114 	return UART_GET_FIFO_CNT(port) ? 0 : TIOCSER_TEMT;  in mux_tx_empty()
125 static void mux_set_mctrl(struct uart_port *port, unsigned int mctrl)  in mux_set_mctrl()  argument
136 static unsigned int mux_get_mctrl(struct uart_port *port)  in mux_get_mctrl()  argument
147 static void mux_stop_tx(struct uart_port *port)  in mux_stop_tx()  argument
157 static void mux_start_tx(struct uart_port *port)  in mux_start_tx()  argument
167 static void mux_stop_rx(struct uart_port *port)  in mux_stop_rx()  argument
178 static void mux_break_ctl(struct uart_port *port, int break_state)  in mux_break_ctl()  argument
189 static void mux_write(struct uart_port *port)  in mux_write()  argument
192 	struct circ_buf *xmit = &port->state->xmit;  in mux_write()
194 	if(port->x_char) {  in mux_write()
195 		UART_PUT_CHAR(port, port->x_char);  in mux_write()
196 		port->icount.tx++;  in mux_write()
197 		port->x_char = 0;  in mux_write()
201 	if(uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in mux_write()
202 		mux_stop_tx(port);  in mux_write()
206 	count = (port->fifosize) - UART_GET_FIFO_CNT(port);  in mux_write()
208 		UART_PUT_CHAR(port, xmit->buf[xmit->tail]);  in mux_write()
210 		port->icount.tx++;  in mux_write()
216 	while(UART_GET_FIFO_CNT(port))   in mux_write()
220 		uart_write_wakeup(port);  in mux_write()
223 		mux_stop_tx(port);  in mux_write()
233 static void mux_read(struct uart_port *port)  in mux_read()  argument
235 	struct tty_port *tport = &port->state->port;  in mux_read()
237 	__u32 start_count = port->icount.rx;  in mux_read()
240 		data = __raw_readl(port->membase + IO_DATA_REG_OFFSET);  in mux_read()
248 		port->icount.rx++;  in mux_read()
251 			port->icount.brk++;  in mux_read()
252 			if(uart_handle_break(port))  in mux_read()
256 		if (uart_handle_sysrq_char(port, data & 0xffu))  in mux_read()
262 	if (start_count != port->icount.rx)  in mux_read()
273 static int mux_startup(struct uart_port *port)  in mux_startup()  argument
275 	mux_ports[port->line].enabled = 1;  in mux_startup()
285 static void mux_shutdown(struct uart_port *port)  in mux_shutdown()  argument
287 	mux_ports[port->line].enabled = 0;  in mux_shutdown()
299 mux_set_termios(struct uart_port *port, struct ktermios *termios,  in mux_set_termios()  argument
311 static const char *mux_type(struct uart_port *port)  in mux_type()  argument
323 static void mux_release_port(struct uart_port *port)  in mux_release_port()  argument
335 static int mux_request_port(struct uart_port *port)  in mux_request_port()  argument
351 static void mux_config_port(struct uart_port *port, int type)  in mux_config_port()  argument
353 	port->type = PORT_MUX;  in mux_config_port()
364 static int mux_verify_port(struct uart_port *port, struct serial_struct *ser)  in mux_verify_port()  argument
366 	if(port->membase == NULL)  in mux_verify_port()
386 		mux_read(&mux_ports[i].port);  in mux_poll()
387 		mux_write(&mux_ports[i].port);  in mux_poll()
398 	while(UART_GET_FIFO_CNT(&mux_ports[0].port))  in mux_console_write()
403 			UART_PUT_CHAR(&mux_ports[0].port, '\r');  in mux_console_write()
405 		UART_PUT_CHAR(&mux_ports[0].port, *s++);  in mux_console_write()
482 		struct uart_port *port = &mux_ports[port_cnt].port;  in mux_probe()  local
483 		port->iobase	= 0;  in mux_probe()
484 		port->mapbase	= dev->hpa.start + MUX_OFFSET +  in mux_probe()
486 		port->membase	= ioremap_nocache(port->mapbase, MUX_LINE_OFFSET);  in mux_probe()
487 		port->iotype	= UPIO_MEM;  in mux_probe()
488 		port->type	= PORT_MUX;  in mux_probe()
489 		port->irq	= 0;  in mux_probe()
490 		port->uartclk	= 0;  in mux_probe()
491 		port->fifosize	= MUX_FIFO_SIZE;  in mux_probe()
492 		port->ops	= &mux_pops;  in mux_probe()
493 		port->flags	= UPF_BOOT_AUTOCONF;  in mux_probe()
494 		port->line	= port_cnt;  in mux_probe()
501 		port->timeout   = HZ / 50;  in mux_probe()
502 		spin_lock_init(&port->lock);  in mux_probe()
504 		status = uart_add_one_port(&mux_driver, port);  in mux_probe()
518 		if(mux_ports[i].port.mapbase == dev->hpa.start + MUX_OFFSET)  in mux_remove()
525 		struct uart_port *port = &mux_ports[i].port;  in mux_remove()  local
527 		uart_remove_one_port(&mux_driver, port);  in mux_remove()
528 		if(port->membase)  in mux_remove()
529 			iounmap(port->membase);  in mux_remove()