72 	struct tty_port *port = tty->port;  in receive_chars()  local
77 		tty_insert_flip_char(port, c, TTY_NORMAL);  in receive_chars()
87 	struct tty_port *port = &tile_uart->uart.state->port;  in handle_receive()  local
88 	struct tty_struct *tty = tty_port_tty_get(port);  in handle_receive()
107 	tty_flip_buffer_push(port);  in handle_receive()
135 	struct uart_port *port;  in handle_transmit()  local
143 	port = &tile_uart->uart;  in handle_transmit()
144 	xmit = &port->state->xmit;  in handle_transmit()
145 	if (port->x_char) {  in handle_transmit()
146 		if (tilegx_putchar(context, port->x_char))  in handle_transmit()
148 		port->x_char = 0;  in handle_transmit()
149 		port->icount.tx++;  in handle_transmit()
152 	if (uart_circ_empty(xmit) || uart_tx_stopped(port))  in handle_transmit()
160 		port->icount.tx++;  in handle_transmit()
168 		uart_write_wakeup(port);  in handle_transmit()
181 	struct uart_port *port = dev_id;  in tilegx_interrupt()  local
184 	spin_lock_irqsave(&port->lock, flags);  in tilegx_interrupt()
186 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_interrupt()
199 	spin_unlock_irqrestore(&port->lock, flags);  in tilegx_interrupt()
207 static u_int tilegx_tx_empty(struct uart_port *port)  in tilegx_tx_empty()  argument
214 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_tx_empty()
230 static void tilegx_set_mctrl(struct uart_port *port, u_int mctrl)  in tilegx_set_mctrl()  argument
239 static u_int tilegx_get_mctrl(struct uart_port *port)  in tilegx_get_mctrl()  argument
248 static void tilegx_stop_tx(struct uart_port *port)  in tilegx_stop_tx()  argument
257 static void tilegx_start_tx(struct uart_port *port)  in tilegx_start_tx()  argument
264 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_start_tx()
268 	xmit = &port->state->xmit;  in tilegx_start_tx()
269 	if (port->x_char) {  in tilegx_start_tx()
270 		if (tilegx_putchar(context, port->x_char))  in tilegx_start_tx()
272 		port->x_char = 0;  in tilegx_start_tx()
273 		port->icount.tx++;  in tilegx_start_tx()
276 	if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {  in tilegx_start_tx()
286 		port->icount.tx++;  in tilegx_start_tx()
290 		uart_write_wakeup(port);  in tilegx_start_tx()
299 static void tilegx_stop_rx(struct uart_port *port)  in tilegx_stop_rx()  argument
306 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_stop_rx()
320 static void tilegx_break_ctl(struct uart_port *port, int break_state)  in tilegx_break_ctl()  argument
329 static int tilegx_startup(struct uart_port *port)  in tilegx_startup()  argument
336 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_startup()
346 		ret = gxio_uart_init(context, port->line);  in tilegx_startup()
353 		port->irq = irq_alloc_hwirq(-1);  in tilegx_startup()
354 		if (!port->irq)  in tilegx_startup()
356 		tile_irq_activate(port->irq, TILE_IRQ_PERCPU);  in tilegx_startup()
359 		ret = request_irq(port->irq, tilegx_interrupt, 0,  in tilegx_startup()
360 				  tilegx_uart_driver.driver_name, port);  in tilegx_startup()
367 					      KERNEL_PL, port->irq);  in tilegx_startup()
387 	free_irq(port->irq, port);  in tilegx_startup()
389 	irq_free_hwirq(port->irq);  in tilegx_startup()
403 static void tilegx_shutdown(struct uart_port *port)  in tilegx_shutdown()  argument
411 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_shutdown()
427 	if (port->irq > 0) {  in tilegx_shutdown()
428 		free_irq(port->irq, port);  in tilegx_shutdown()
429 		irq_free_hwirq(port->irq);  in tilegx_shutdown()
430 		port->irq = 0;  in tilegx_shutdown()
442 static void tilegx_flush_buffer(struct uart_port *port)  in tilegx_flush_buffer()  argument
451 static void tilegx_set_termios(struct uart_port *port,  in tilegx_set_termios()  argument
461 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_set_termios()
468 		err = gxio_uart_init(context, port->line);  in tilegx_set_termios()
479 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);  in tilegx_set_termios()
480 	divisor.divisor = uart_get_divisor(port, baud);  in tilegx_set_termios()
520 static const char *tilegx_type(struct uart_port *port)  in tilegx_type()  argument
522 	return port->type == PORT_TILEGX ? DRIVER_NAME_STRING : NULL;  in tilegx_type()
529 static void tilegx_release_port(struct uart_port *port)  in tilegx_release_port()  argument
538 static int tilegx_request_port(struct uart_port *port)  in tilegx_request_port()  argument
548 static void tilegx_config_port(struct uart_port *port, int flags)  in tilegx_config_port()  argument
551 		port->type = PORT_TILEGX;  in tilegx_config_port()
558 static int tilegx_verify_port(struct uart_port *port,  in tilegx_verify_port()  argument
574 static int tilegx_poll_get_char(struct uart_port *port)  in tilegx_poll_get_char()  argument
580 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_poll_get_char()
588 static void tilegx_poll_put_char(struct uart_port *port, unsigned char c)  in tilegx_poll_put_char()  argument
593 	tile_uart = container_of(port, struct tile_uart_port, uart);  in tilegx_poll_put_char()
628 	struct uart_port *port;  in tilegx_init_ports()  local
631 		port = &tile_uart_ports[i].uart;  in tilegx_init_ports()
632 		port->ops = &tilegx_ops;  in tilegx_init_ports()
633 		port->line = i;  in tilegx_init_ports()
634 		port->type = PORT_TILEGX;  in tilegx_init_ports()
635 		port->uartclk = TILEGX_UART_REF_CLK;  in tilegx_init_ports()
636 		port->flags = UPF_BOOT_AUTOCONF;  in tilegx_init_ports()
671 		struct uart_port *port = &tile_uart_ports[i].uart;  in tilegx_init()  local
672 		ret = uart_add_one_port(&tilegx_uart_driver, port);  in tilegx_init()
682 	struct uart_port *port;  in tilegx_exit()  local
685 		port = &tile_uart_ports[i].uart;  in tilegx_exit()
686 		uart_remove_one_port(&tilegx_uart_driver, port);  in tilegx_exit()