66 	struct uart_port		port;  member
256 	bool push = up->port.state != NULL;  in ip22zilog_receive_chars()
282 		up->port.icount.rx++;  in ip22zilog_receive_chars()
287 				up->port.icount.brk++;  in ip22zilog_receive_chars()
293 				up->port.icount.parity++;  in ip22zilog_receive_chars()
295 				up->port.icount.frame++;  in ip22zilog_receive_chars()
297 				up->port.icount.overrun++;  in ip22zilog_receive_chars()
298 			r1 &= up->port.read_status_mask;  in ip22zilog_receive_chars()
307 		if (uart_handle_sysrq_char(&up->port, ch))  in ip22zilog_receive_chars()
311 			uart_insert_char(&up->port, r1, Rx_OVR, ch, flag);  in ip22zilog_receive_chars()
330 			if (uart_handle_break(&up->port))  in ip22zilog_status_handle()
339 			up->port.icount.dsr++;  in ip22zilog_status_handle()
346 			uart_handle_dcd_change(&up->port,  in ip22zilog_status_handle()
349 			uart_handle_cts_change(&up->port,  in ip22zilog_status_handle()
352 		wake_up_interruptible(&up->port.state->port.delta_msr_wait);  in ip22zilog_status_handle()
391 	if (up->port.x_char) {  in ip22zilog_transmit_chars()
393 		writeb(up->port.x_char, &channel->data);  in ip22zilog_transmit_chars()
397 		up->port.icount.tx++;  in ip22zilog_transmit_chars()
398 		up->port.x_char = 0;  in ip22zilog_transmit_chars()
402 	if (up->port.state == NULL)  in ip22zilog_transmit_chars()
404 	xmit = &up->port.state->xmit;  in ip22zilog_transmit_chars()
407 	if (uart_tx_stopped(&up->port))  in ip22zilog_transmit_chars()
416 	up->port.icount.tx++;  in ip22zilog_transmit_chars()
419 		uart_write_wakeup(&up->port);  in ip22zilog_transmit_chars()
435 			= ZILOG_CHANNEL_FROM_PORT(&up->port);  in ip22zilog_interrupt()
439 		spin_lock(&up->port.lock);  in ip22zilog_interrupt()
455 		spin_unlock(&up->port.lock);  in ip22zilog_interrupt()
458 			tty_flip_buffer_push(&up->port.state->port);  in ip22zilog_interrupt()
462 		channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in ip22zilog_interrupt()
465 		spin_lock(&up->port.lock);  in ip22zilog_interrupt()
478 		spin_unlock(&up->port.lock);  in ip22zilog_interrupt()
481 			tty_flip_buffer_push(&up->port.state->port);  in ip22zilog_interrupt()
492 static __inline__ unsigned char ip22zilog_read_channel_status(struct uart_port *port)  in ip22zilog_read_channel_status()  argument
497 	channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_read_channel_status()
505 static unsigned int ip22zilog_tx_empty(struct uart_port *port)  in ip22zilog_tx_empty()  argument
511 	spin_lock_irqsave(&port->lock, flags);  in ip22zilog_tx_empty()
513 	status = ip22zilog_read_channel_status(port);  in ip22zilog_tx_empty()
515 	spin_unlock_irqrestore(&port->lock, flags);  in ip22zilog_tx_empty()
526 static unsigned int ip22zilog_get_mctrl(struct uart_port *port)  in ip22zilog_get_mctrl()  argument
531 	status = ip22zilog_read_channel_status(port);  in ip22zilog_get_mctrl()
545 static void ip22zilog_set_mctrl(struct uart_port *port, unsigned int mctrl)  in ip22zilog_set_mctrl()  argument
548 		container_of(port, struct uart_ip22zilog_port, port);  in ip22zilog_set_mctrl()
549 	struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_set_mctrl()
570 static void ip22zilog_stop_tx(struct uart_port *port)  in ip22zilog_stop_tx()  argument
573 		container_of(port, struct uart_ip22zilog_port, port);  in ip22zilog_stop_tx()
579 static void ip22zilog_start_tx(struct uart_port *port)  in ip22zilog_start_tx()  argument
582 		container_of(port, struct uart_ip22zilog_port, port);  in ip22zilog_start_tx()
583 	struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_start_tx()
599 	if (port->x_char) {  in ip22zilog_start_tx()
600 		writeb(port->x_char, &channel->data);  in ip22zilog_start_tx()
604 		port->icount.tx++;  in ip22zilog_start_tx()
605 		port->x_char = 0;  in ip22zilog_start_tx()
607 		struct circ_buf *xmit = &port->state->xmit;  in ip22zilog_start_tx()
616 		port->icount.tx++;  in ip22zilog_start_tx()
619 			uart_write_wakeup(&up->port);  in ip22zilog_start_tx()
624 static void ip22zilog_stop_rx(struct uart_port *port)  in ip22zilog_stop_rx()  argument
626 	struct uart_ip22zilog_port *up = UART_ZILOG(port);  in ip22zilog_stop_rx()
632 	channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_stop_rx()
640 static void ip22zilog_enable_ms(struct uart_port *port)  in ip22zilog_enable_ms()  argument
643 		container_of(port, struct uart_ip22zilog_port, port);  in ip22zilog_enable_ms()
644 	struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_enable_ms()
657 static void ip22zilog_break_ctl(struct uart_port *port, int break_state)  in ip22zilog_break_ctl()  argument
660 		container_of(port, struct uart_ip22zilog_port, port);  in ip22zilog_break_ctl()
661 	struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_break_ctl()
672 	spin_lock_irqsave(&port->lock, flags);  in ip22zilog_break_ctl()
682 	spin_unlock_irqrestore(&port->lock, flags);  in ip22zilog_break_ctl()
694 	channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in __ip22zilog_reset()
704 		channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in __ip22zilog_reset()
718 	channel = ZILOG_CHANNEL_FROM_PORT(&up->port);  in __ip22zilog_startup()
735 static int ip22zilog_startup(struct uart_port *port)  in ip22zilog_startup()  argument
737 	struct uart_ip22zilog_port *up = UART_ZILOG(port);  in ip22zilog_startup()
743 	spin_lock_irqsave(&port->lock, flags);  in ip22zilog_startup()
745 	spin_unlock_irqrestore(&port->lock, flags);  in ip22zilog_startup()
774 static void ip22zilog_shutdown(struct uart_port *port)  in ip22zilog_shutdown()  argument
776 	struct uart_ip22zilog_port *up = UART_ZILOG(port);  in ip22zilog_shutdown()
783 	spin_lock_irqsave(&port->lock, flags);  in ip22zilog_shutdown()
785 	channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_shutdown()
796 	spin_unlock_irqrestore(&port->lock, flags);  in ip22zilog_shutdown()
857 	up->port.read_status_mask = Rx_OVR;  in ip22zilog_convert_to_zs()
859 		up->port.read_status_mask |= CRC_ERR | PAR_ERR;  in ip22zilog_convert_to_zs()
861 		up->port.read_status_mask |= BRK_ABRT;  in ip22zilog_convert_to_zs()
863 	up->port.ignore_status_mask = 0;  in ip22zilog_convert_to_zs()
865 		up->port.ignore_status_mask |= CRC_ERR | PAR_ERR;  in ip22zilog_convert_to_zs()
867 		up->port.ignore_status_mask |= BRK_ABRT;  in ip22zilog_convert_to_zs()
869 			up->port.ignore_status_mask |= Rx_OVR;  in ip22zilog_convert_to_zs()
873 		up->port.ignore_status_mask = 0xff;  in ip22zilog_convert_to_zs()
878 ip22zilog_set_termios(struct uart_port *port, struct ktermios *termios,  in ip22zilog_set_termios()  argument
882 		container_of(port, struct uart_ip22zilog_port, port);  in ip22zilog_set_termios()
886 	baud = uart_get_baud_rate(port, termios, old, 1200, 76800);  in ip22zilog_set_termios()
888 	spin_lock_irqsave(&up->port.lock, flags);  in ip22zilog_set_termios()
894 	if (UART_ENABLE_MS(&up->port, termios->c_cflag))  in ip22zilog_set_termios()
899 	ip22zilog_maybe_update_regs(up, ZILOG_CHANNEL_FROM_PORT(port));  in ip22zilog_set_termios()
900 	uart_update_timeout(port, termios->c_cflag, baud);  in ip22zilog_set_termios()
902 	spin_unlock_irqrestore(&up->port.lock, flags);  in ip22zilog_set_termios()
905 static const char *ip22zilog_type(struct uart_port *port)  in ip22zilog_type()  argument
913 static void ip22zilog_release_port(struct uart_port *port)  in ip22zilog_release_port()  argument
917 static int ip22zilog_request_port(struct uart_port *port)  in ip22zilog_request_port()  argument
923 static void ip22zilog_config_port(struct uart_port *port, int flags)  in ip22zilog_config_port()  argument
928 static int ip22zilog_verify_port(struct uart_port *port, struct serial_struct *ser)  in ip22zilog_verify_port()  argument
996 static void ip22zilog_put_char(struct uart_port *port, int ch)  in ip22zilog_put_char()  argument
998 	struct zilog_channel *channel = ZILOG_CHANNEL_FROM_PORT(port);  in ip22zilog_put_char()
1024 	spin_lock_irqsave(&up->port.lock, flags);  in ip22zilog_console_write()
1025 	uart_console_write(&up->port, s, count, ip22zilog_put_char);  in ip22zilog_console_write()
1027 	spin_unlock_irqrestore(&up->port.lock, flags);  in ip22zilog_console_write()
1042 	spin_lock_irqsave(&up->port.lock, flags);  in ip22zilog_console_setup()
1048 	spin_unlock_irqrestore(&up->port.lock, flags);  in ip22zilog_console_setup()
1052 	return uart_set_options(&up->port, con, baud, parity, bits, flow);  in ip22zilog_console_setup()
1090 		spin_lock_init(&ip22zilog_port_table[channel].port.lock);  in ip22zilog_prepare()
1102 			up[(chip * 2) + 0].port.membase = (char *) &rp->channelB;  in ip22zilog_prepare()
1103 			up[(chip * 2) + 1].port.membase = (char *) &rp->channelA;  in ip22zilog_prepare()
1106 			up[(chip * 2) + 0].port.mapbase =  in ip22zilog_prepare()
1108 			up[(chip * 2) + 1].port.mapbase =  in ip22zilog_prepare()
1113 		up[(chip * 2) + 0].port.iotype = UPIO_MEM;  in ip22zilog_prepare()
1114 		up[(chip * 2) + 0].port.irq = zilog_irq;  in ip22zilog_prepare()
1115 		up[(chip * 2) + 0].port.uartclk = ZS_CLOCK;  in ip22zilog_prepare()
1116 		up[(chip * 2) + 0].port.fifosize = 1;  in ip22zilog_prepare()
1117 		up[(chip * 2) + 0].port.ops = &ip22zilog_pops;  in ip22zilog_prepare()
1118 		up[(chip * 2) + 0].port.type = PORT_IP22ZILOG;  in ip22zilog_prepare()
1119 		up[(chip * 2) + 0].port.flags = 0;  in ip22zilog_prepare()
1120 		up[(chip * 2) + 0].port.line = (chip * 2) + 0;  in ip22zilog_prepare()
1124 		up[(chip * 2) + 1].port.iotype = UPIO_MEM;  in ip22zilog_prepare()
1125 		up[(chip * 2) + 1].port.irq = zilog_irq;  in ip22zilog_prepare()
1126 		up[(chip * 2) + 1].port.uartclk = ZS_CLOCK;  in ip22zilog_prepare()
1127 		up[(chip * 2) + 1].port.fifosize = 1;  in ip22zilog_prepare()
1128 		up[(chip * 2) + 1].port.ops = &ip22zilog_pops;  in ip22zilog_prepare()
1129 		up[(chip * 2) + 1].port.type = PORT_IP22ZILOG;  in ip22zilog_prepare()
1130 		up[(chip * 2) + 1].port.line = (chip * 2) + 1;  in ip22zilog_prepare()
1174 			uart_add_one_port(&ip22zilog_reg, &up->port);  in ip22zilog_ports_init()
1198 		uart_remove_one_port(&ip22zilog_reg, &up->port);  in ip22zilog_exit()
1204 		if (up[(i * 2) + 0].port.mapbase) {  in ip22zilog_exit()
1205 		   iounmap((void*)up[(i * 2) + 0].port.mapbase);  in ip22zilog_exit()
1206 		   up[(i * 2) + 0].port.mapbase = 0;  in ip22zilog_exit()
1208 		if (up[(i * 2) + 1].port.mapbase) {  in ip22zilog_exit()
1209 			iounmap((void*)up[(i * 2) + 1].port.mapbase);  in ip22zilog_exit()
1210 			up[(i * 2) + 1].port.mapbase = 0;  in ip22zilog_exit()