85 static inline struct dz_port *to_dport(struct uart_port *uport)  in to_dport()  argument
87 	return container_of(uport, struct dz_port, port);  in to_dport()
123 static void dz_stop_tx(struct uart_port *uport)  in dz_stop_tx()  argument
125 	struct dz_port *dport = to_dport(uport);  in dz_stop_tx()
133 static void dz_start_tx(struct uart_port *uport)  in dz_start_tx()  argument
135 	struct dz_port *dport = to_dport(uport);  in dz_start_tx()
143 static void dz_stop_rx(struct uart_port *uport)  in dz_stop_rx()  argument
145 	struct dz_port *dport = to_dport(uport);  in dz_stop_rx()
180 	struct uart_port *uport;  in dz_receive_chars()  local
190 		uport = &dport->port;  in dz_receive_chars()
195 		icount = &uport->icount;  in dz_receive_chars()
215 				if (uart_handle_break(uport))  in dz_receive_chars()
224 			status &= uport->read_status_mask;  in dz_receive_chars()
234 		if (uart_handle_sysrq_char(uport, ch))  in dz_receive_chars()
237 		uart_insert_char(uport, status, DZ_OERR, ch, flag);  in dz_receive_chars()
357 static unsigned int dz_get_mctrl(struct uart_port *uport)  in dz_get_mctrl()  argument
362 	struct dz_port *dport = to_dport(uport);  in dz_get_mctrl()
373 static void dz_set_mctrl(struct uart_port *uport, unsigned int mctrl)  in dz_set_mctrl()  argument
378 	struct dz_port *dport = to_dport(uport);  in dz_set_mctrl()
398 static int dz_startup(struct uart_port *uport)  in dz_startup()  argument
400 	struct dz_port *dport = to_dport(uport);  in dz_startup()
439 static void dz_shutdown(struct uart_port *uport)  in dz_shutdown()  argument
441 	struct dz_port *dport = to_dport(uport);  in dz_shutdown()
474 static unsigned int dz_tx_empty(struct uart_port *uport)  in dz_tx_empty()  argument
476 	struct dz_port *dport = to_dport(uport);  in dz_tx_empty()
485 static void dz_break_ctl(struct uart_port *uport, int break_state)  in dz_break_ctl()  argument
491 	struct dz_port *dport = to_dport(uport);  in dz_break_ctl()
495 	spin_lock_irqsave(&uport->lock, flags);  in dz_break_ctl()
502 	spin_unlock_irqrestore(&uport->lock, flags);  in dz_break_ctl()
561 static void dz_set_termios(struct uart_port *uport, struct ktermios *termios,  in dz_set_termios()  argument
564 	struct dz_port *dport = to_dport(uport);  in dz_set_termios()
593 	baud = uart_get_baud_rate(uport, termios, old_termios, 50, 9600);  in dz_set_termios()
614 	uart_update_timeout(uport, termios->c_cflag, baud);  in dz_set_termios()
627 	uport->ignore_status_mask = 0;  in dz_set_termios()
643 static void dz_pm(struct uart_port *uport, unsigned int state,  in dz_pm()  argument
646 	struct dz_port *dport = to_dport(uport);  in dz_pm()
658 static const char *dz_type(struct uart_port *uport)  in dz_type()  argument
663 static void dz_release_port(struct uart_port *uport)  in dz_release_port()  argument
665 	struct dz_mux *mux = to_dport(uport)->mux;  in dz_release_port()
668 	iounmap(uport->membase);  in dz_release_port()
669 	uport->membase = NULL;  in dz_release_port()
673 		release_mem_region(uport->mapbase, dec_kn_slot_size);  in dz_release_port()
676 static int dz_map_port(struct uart_port *uport)  in dz_map_port()  argument
678 	if (!uport->membase)  in dz_map_port()
679 		uport->membase = ioremap(uport->mapbase,  in dz_map_port()
681 	if (!uport->membase) {  in dz_map_port()
688 static int dz_request_port(struct uart_port *uport)  in dz_request_port()  argument
690 	struct dz_mux *mux = to_dport(uport)->mux;  in dz_request_port()
696 		if (!request_mem_region(uport->mapbase, dec_kn_slot_size,  in dz_request_port()
704 	ret = dz_map_port(uport);  in dz_request_port()
708 			release_mem_region(uport->mapbase, dec_kn_slot_size);  in dz_request_port()
714 static void dz_config_port(struct uart_port *uport, int flags)  in dz_config_port()  argument
716 	struct dz_port *dport = to_dport(uport);  in dz_config_port()
719 		if (dz_request_port(uport))  in dz_config_port()
722 		uport->type = PORT_DZ;  in dz_config_port()
731 static int dz_verify_port(struct uart_port *uport, struct serial_struct *ser)  in dz_verify_port()  argument
737 	if (ser->irq != uport->irq)  in dz_verify_port()
778 		struct uart_port *uport = &dport->port;  in dz_init_ports()  local
782 		uport->irq	= dec_interrupt[DEC_IRQ_DZ11];  in dz_init_ports()
783 		uport->fifosize	= 1;  in dz_init_ports()
784 		uport->iotype	= UPIO_MEM;  in dz_init_ports()
785 		uport->flags	= UPF_BOOT_AUTOCONF;  in dz_init_ports()
786 		uport->ops	= &dz_ops;  in dz_init_ports()
787 		uport->line	= line;  in dz_init_ports()
788 		uport->mapbase	= base;  in dz_init_ports()
789 		uport->has_sysrq = IS_ENABLED(CONFIG_SERIAL_DZ_CONSOLE);  in dz_init_ports()
808 static void dz_console_putchar(struct uart_port *uport, unsigned char ch)  in dz_console_putchar()  argument
810 	struct dz_port *dport = to_dport(uport);  in dz_console_putchar()
867 	struct uart_port *uport = &dport->port;  in dz_console_setup()  local
874 	ret = dz_map_port(uport);  in dz_console_setup()
881 	dz_pm(uport, 0, -1);  in dz_console_setup()