153 static inline struct tegra_uart_port *to_tegra_uport(struct uart_port *u)  in to_tegra_uport()  argument
155 	return container_of(u, struct tegra_uart_port, uport);  in to_tegra_uport()
158 static unsigned int tegra_uart_get_mctrl(struct uart_port *u)  in tegra_uart_get_mctrl()  argument
160 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_get_mctrl()
208 static void tegra_uart_set_mctrl(struct uart_port *u, unsigned int mctrl)  in tegra_uart_set_mctrl()  argument
210 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_set_mctrl()
223 static void tegra_uart_break_ctl(struct uart_port *u, int break_ctl)  in tegra_uart_break_ctl()  argument
225 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_break_ctl()
345 static int tegra_uart_request_port(struct uart_port *u)  in tegra_uart_request_port()  argument
350 static void tegra_uart_release_port(struct uart_port *u)  in tegra_uart_release_port()  argument
453 static void tegra_uart_start_tx(struct uart_port *u)  in tegra_uart_start_tx()  argument
455 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_start_tx()
456 	struct circ_buf *xmit = &u->state->xmit;  in tegra_uart_start_tx()
462 static unsigned int tegra_uart_tx_empty(struct uart_port *u)  in tegra_uart_tx_empty()  argument
464 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_tx_empty()
468 	spin_lock_irqsave(&u->lock, flags);  in tegra_uart_tx_empty()
474 	spin_unlock_irqrestore(&u->lock, flags);  in tegra_uart_tx_empty()
478 static void tegra_uart_stop_tx(struct uart_port *u)  in tegra_uart_stop_tx()  argument
480 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_stop_tx()
557 	struct uart_port *u = &tup->uport;  in tegra_uart_rx_dma_complete()  local
560 	struct tty_port *port = &u->state->port;  in tegra_uart_rx_dma_complete()
564 	spin_lock_irqsave(&u->lock, flags);  in tegra_uart_rx_dma_complete()
576 		spin_unlock_irqrestore(&u->lock, flags);  in tegra_uart_rx_dma_complete()
578 		spin_lock_irqsave(&u->lock, flags);  in tegra_uart_rx_dma_complete()
587 	spin_unlock_irqrestore(&u->lock, flags);  in tegra_uart_rx_dma_complete()
596 	struct uart_port *u = &tup->uport;  in tegra_uart_handle_rx_dma()  local
614 		spin_unlock_irqrestore(&u->lock, *flags);  in tegra_uart_handle_rx_dma()
616 		spin_lock_irqsave(&u->lock, *flags);  in tegra_uart_handle_rx_dma()
647 static void tegra_uart_handle_modem_signal_change(struct uart_port *u)  in tegra_uart_handle_modem_signal_change()  argument
649 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_handle_modem_signal_change()
672 	struct uart_port *u = &tup->uport;  in tegra_uart_isr()  local
678 	spin_lock_irqsave(&u->lock, flags);  in tegra_uart_isr()
692 			spin_unlock_irqrestore(&u->lock, flags);  in tegra_uart_isr()
698 			tegra_uart_handle_modem_signal_change(u);  in tegra_uart_isr()
735 static void tegra_uart_stop_rx(struct uart_port *u)  in tegra_uart_stop_rx()  argument
737 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_stop_rx()
739 	struct tty_port *port = &u->state->port;  in tegra_uart_stop_rx()
999 static int tegra_uart_startup(struct uart_port *u)  in tegra_uart_startup()  argument
1001 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_startup()
1006 		dev_err(u->dev, "Tx Dma allocation failed, err = %d\n", ret);  in tegra_uart_startup()
1012 		dev_err(u->dev, "Rx Dma allocation failed, err = %d\n", ret);  in tegra_uart_startup()
1018 		dev_err(u->dev, "Uart HW init failed, err = %d\n", ret);  in tegra_uart_startup()
1022 	ret = request_irq(u->irq, tegra_uart_isr, 0,  in tegra_uart_startup()
1023 				dev_name(u->dev), tup);  in tegra_uart_startup()
1025 		dev_err(u->dev, "Failed to register ISR for IRQ %d\n", u->irq);  in tegra_uart_startup()
1041 static void tegra_uart_flush_buffer(struct uart_port *u)  in tegra_uart_flush_buffer()  argument
1043 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_flush_buffer()
1051 static void tegra_uart_shutdown(struct uart_port *u)  in tegra_uart_shutdown()  argument
1053 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_shutdown()
1062 	free_irq(u->irq, tup);  in tegra_uart_shutdown()
1064 	tegra_uart_flush_buffer(u);  in tegra_uart_shutdown()
1067 static void tegra_uart_enable_ms(struct uart_port *u)  in tegra_uart_enable_ms()  argument
1069 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_enable_ms()
1077 static void tegra_uart_set_termios(struct uart_port *u,  in tegra_uart_set_termios()  argument
1080 	struct tegra_uart_port *tup = to_tegra_uport(u);  in tegra_uart_set_termios()
1090 	spin_lock_irqsave(&u->lock, flags);  in tegra_uart_set_termios()
1156 	baud = uart_get_baud_rate(u, termios, oldtermios,  in tegra_uart_set_termios()
1159 	spin_unlock_irqrestore(&u->lock, flags);  in tegra_uart_set_termios()
1163 	spin_lock_irqsave(&u->lock, flags);  in tegra_uart_set_termios()
1180 	uart_update_timeout(u, termios->c_cflag, baud);  in tegra_uart_set_termios()
1189 	spin_unlock_irqrestore(&u->lock, flags);  in tegra_uart_set_termios()
1193 static const char *tegra_uart_type(struct uart_port *u)  in tegra_uart_type()  argument
1269 	struct uart_port *u;  in tegra_uart_probe()  local
1292 	u = &tup->uport;  in tegra_uart_probe()
1293 	u->dev = &pdev->dev;  in tegra_uart_probe()
1294 	u->ops = &tegra_uart_ops;  in tegra_uart_probe()
1295 	u->type = PORT_TEGRA;  in tegra_uart_probe()
1296 	u->fifosize = 32;  in tegra_uart_probe()
1306 	u->mapbase = resource->start;  in tegra_uart_probe()
1307 	u->membase = devm_ioremap_resource(&pdev->dev, resource);  in tegra_uart_probe()
1308 	if (IS_ERR(u->membase))  in tegra_uart_probe()
1309 		return PTR_ERR(u->membase);  in tegra_uart_probe()
1323 	u->iotype = UPIO_MEM32;  in tegra_uart_probe()
1324 	u->irq = platform_get_irq(pdev, 0);  in tegra_uart_probe()
1325 	u->regshift = 2;  in tegra_uart_probe()
1326 	ret = uart_add_one_port(&tegra_uart_driver, u);  in tegra_uart_probe()
1337 	struct uart_port *u = &tup->uport;  in tegra_uart_remove()  local
1339 	uart_remove_one_port(&tegra_uart_driver, u);  in tegra_uart_remove()
1347 	struct uart_port *u = &tup->uport;  in tegra_uart_suspend()  local
1349 	return uart_suspend_port(&tegra_uart_driver, u);  in tegra_uart_suspend()
1355 	struct uart_port *u = &tup->uport;  in tegra_uart_resume()  local
1357 	return uart_resume_port(&tegra_uart_driver, u);  in tegra_uart_resume()