68 	struct uart_port	port;  member
175 	switch (up->port.iotype) {  in sio_in()
177 		return __raw_readl(up->port.membase + offset);  in sio_in()
179 		return inl(up->port.iobase + offset);  in sio_in()
186 	switch (up->port.iotype) {  in sio_out()
188 		__raw_writel(value, up->port.membase + offset);  in sio_out()
191 		outl(value, up->port.iobase + offset);  in sio_out()
223 static struct uart_txx9_port *to_uart_txx9_port(struct uart_port *port)  in to_uart_txx9_port()  argument
225 	return container_of(port, struct uart_txx9_port, port);  in to_uart_txx9_port()
228 static void serial_txx9_stop_tx(struct uart_port *port)  in serial_txx9_stop_tx()  argument
230 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_stop_tx()
234 static void serial_txx9_start_tx(struct uart_port *port)  in serial_txx9_start_tx()  argument
236 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_start_tx()
240 static void serial_txx9_stop_rx(struct uart_port *port)  in serial_txx9_stop_rx()  argument
242 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_stop_rx()
243 	up->port.read_status_mask &= ~TXX9_SIDISR_RDIS;  in serial_txx9_stop_rx()
246 static void serial_txx9_initialize(struct uart_port *port)  in serial_txx9_initialize()  argument
248 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_initialize()
264 		((up->port.flags & UPF_TXX9_USE_SCLK) ?  in serial_txx9_initialize()
266 	sio_quot_set(up, uart_get_divisor(port, 9600));  in serial_txx9_initialize()
283 		up->port.icount.rx++;  in receive_chars()
287 			up->port.ignore_status_mask & ~TXX9_SIDISR_RFDN_MASK;  in receive_chars()
295 				up->port.icount.brk++;  in receive_chars()
302 				if (uart_handle_break(&up->port))  in receive_chars()
305 				up->port.icount.parity++;  in receive_chars()
307 				up->port.icount.frame++;  in receive_chars()
309 				up->port.icount.overrun++;  in receive_chars()
323 			disr &= up->port.read_status_mask;  in receive_chars()
332 		if (uart_handle_sysrq_char(&up->port, ch))  in receive_chars()
335 		uart_insert_char(&up->port, disr, TXX9_SIDISR_UOER, ch, flag);  in receive_chars()
338 		up->port.ignore_status_mask = next_ignore_status_mask;  in receive_chars()
341 	spin_unlock(&up->port.lock);  in receive_chars()
342 	tty_flip_buffer_push(&up->port.state->port);  in receive_chars()
343 	spin_lock(&up->port.lock);  in receive_chars()
349 	struct circ_buf *xmit = &up->port.state->xmit;  in transmit_chars()
352 	if (up->port.x_char) {  in transmit_chars()
353 		sio_out(up, TXX9_SITFIFO, up->port.x_char);  in transmit_chars()
354 		up->port.icount.tx++;  in transmit_chars()
355 		up->port.x_char = 0;  in transmit_chars()
358 	if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {  in transmit_chars()
359 		serial_txx9_stop_tx(&up->port);  in transmit_chars()
367 		up->port.icount.tx++;  in transmit_chars()
373 		uart_write_wakeup(&up->port);  in transmit_chars()
376 		serial_txx9_stop_tx(&up->port);  in transmit_chars()
386 		spin_lock(&up->port.lock);  in serial_txx9_interrupt()
392 			spin_unlock(&up->port.lock);  in serial_txx9_interrupt()
404 		spin_unlock(&up->port.lock);  in serial_txx9_interrupt()
413 static unsigned int serial_txx9_tx_empty(struct uart_port *port)  in serial_txx9_tx_empty()  argument
415 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_tx_empty()
419 	spin_lock_irqsave(&up->port.lock, flags);  in serial_txx9_tx_empty()
421 	spin_unlock_irqrestore(&up->port.lock, flags);  in serial_txx9_tx_empty()
426 static unsigned int serial_txx9_get_mctrl(struct uart_port *port)  in serial_txx9_get_mctrl()  argument
428 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_get_mctrl()
439 static void serial_txx9_set_mctrl(struct uart_port *port, unsigned int mctrl)  in serial_txx9_set_mctrl()  argument
441 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_set_mctrl()
449 static void serial_txx9_break_ctl(struct uart_port *port, int break_state)  in serial_txx9_break_ctl()  argument
451 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_break_ctl()
454 	spin_lock_irqsave(&up->port.lock, flags);  in serial_txx9_break_ctl()
459 	spin_unlock_irqrestore(&up->port.lock, flags);  in serial_txx9_break_ctl()
476 	if (up->port.flags & UPF_CONS_FLOW) {  in wait_for_xmitr()
491 static int serial_txx9_get_poll_char(struct uart_port *port)  in serial_txx9_get_poll_char()  argument
495 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_get_poll_char()
518 static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c)  in serial_txx9_put_poll_char()  argument
521 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_put_poll_char()
545 static int serial_txx9_startup(struct uart_port *port)  in serial_txx9_startup()  argument
547 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_startup()
567 	retval = request_irq(up->port.irq, serial_txx9_interrupt,  in serial_txx9_startup()
575 	spin_lock_irqsave(&up->port.lock, flags);  in serial_txx9_startup()
576 	serial_txx9_set_mctrl(&up->port, up->port.mctrl);  in serial_txx9_startup()
577 	spin_unlock_irqrestore(&up->port.lock, flags);  in serial_txx9_startup()
590 static void serial_txx9_shutdown(struct uart_port *port)  in serial_txx9_shutdown()  argument
592 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_shutdown()
600 	spin_lock_irqsave(&up->port.lock, flags);  in serial_txx9_shutdown()
601 	serial_txx9_set_mctrl(&up->port, up->port.mctrl);  in serial_txx9_shutdown()
602 	spin_unlock_irqrestore(&up->port.lock, flags);  in serial_txx9_shutdown()
610 	if (up->port.cons && up->port.line == up->port.cons->index) {  in serial_txx9_shutdown()
611 		free_irq(up->port.irq, up);  in serial_txx9_shutdown()
625 	free_irq(up->port.irq, up);  in serial_txx9_shutdown()
629 serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios,  in serial_txx9_set_termios()  argument
632 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_set_termios()
672 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16/2);  in serial_txx9_set_termios()
673 	quot = uart_get_divisor(port, baud);  in serial_txx9_set_termios()
683 	spin_lock_irqsave(&up->port.lock, flags);  in serial_txx9_set_termios()
688 	uart_update_timeout(port, termios->c_cflag, baud);  in serial_txx9_set_termios()
690 	up->port.read_status_mask = TXX9_SIDISR_UOER |  in serial_txx9_set_termios()
693 		up->port.read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER;  in serial_txx9_set_termios()
695 		up->port.read_status_mask |= TXX9_SIDISR_UBRK;  in serial_txx9_set_termios()
700 	up->port.ignore_status_mask = 0;  in serial_txx9_set_termios()
702 		up->port.ignore_status_mask |= TXX9_SIDISR_UPER | TXX9_SIDISR_UFER;  in serial_txx9_set_termios()
704 		up->port.ignore_status_mask |= TXX9_SIDISR_UBRK;  in serial_txx9_set_termios()
710 			up->port.ignore_status_mask |= TXX9_SIDISR_UOER;  in serial_txx9_set_termios()
717 		up->port.ignore_status_mask |= TXX9_SIDISR_RDIS;  in serial_txx9_set_termios()
721 	    (up->port.flags & UPF_TXX9_HAVE_CTS_LINE)) {  in serial_txx9_set_termios()
733 	serial_txx9_set_mctrl(&up->port, up->port.mctrl);  in serial_txx9_set_termios()
734 	spin_unlock_irqrestore(&up->port.lock, flags);  in serial_txx9_set_termios()
738 serial_txx9_pm(struct uart_port *port, unsigned int state,  in serial_txx9_pm()  argument
750 		serial_txx9_initialize(port);  in serial_txx9_pm()
758 	switch (up->port.iotype) {  in serial_txx9_request_resource()
760 		if (!up->port.mapbase)  in serial_txx9_request_resource()
763 		if (!request_mem_region(up->port.mapbase, size, "serial_txx9")) {  in serial_txx9_request_resource()
768 		if (up->port.flags & UPF_IOREMAP) {  in serial_txx9_request_resource()
769 			up->port.membase = ioremap(up->port.mapbase, size);  in serial_txx9_request_resource()
770 			if (!up->port.membase) {  in serial_txx9_request_resource()
771 				release_mem_region(up->port.mapbase, size);  in serial_txx9_request_resource()
778 		if (!request_region(up->port.iobase, size, "serial_txx9"))  in serial_txx9_request_resource()
789 	switch (up->port.iotype) {  in serial_txx9_release_resource()
791 		if (!up->port.mapbase)  in serial_txx9_release_resource()
794 		if (up->port.flags & UPF_IOREMAP) {  in serial_txx9_release_resource()
795 			iounmap(up->port.membase);  in serial_txx9_release_resource()
796 			up->port.membase = NULL;  in serial_txx9_release_resource()
799 		release_mem_region(up->port.mapbase, size);  in serial_txx9_release_resource()
803 		release_region(up->port.iobase, size);  in serial_txx9_release_resource()
808 static void serial_txx9_release_port(struct uart_port *port)  in serial_txx9_release_port()  argument
810 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_release_port()
814 static int serial_txx9_request_port(struct uart_port *port)  in serial_txx9_request_port()  argument
816 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_request_port()
820 static void serial_txx9_config_port(struct uart_port *port, int uflags)  in serial_txx9_config_port()  argument
822 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_config_port()
832 	port->type = PORT_TXX9;  in serial_txx9_config_port()
833 	up->port.fifosize = TXX9_SIO_TX_FIFO;  in serial_txx9_config_port()
836 	if (up->port.line == up->port.cons->index)  in serial_txx9_config_port()
839 	serial_txx9_initialize(port);  in serial_txx9_config_port()
843 serial_txx9_type(struct uart_port *port)  in serial_txx9_type()  argument
880 		up->port.line = i;  in serial_txx9_register_ports()
881 		up->port.ops = &serial_txx9_pops;  in serial_txx9_register_ports()
882 		up->port.dev = dev;  in serial_txx9_register_ports()
883 		if (up->port.iobase || up->port.mapbase)  in serial_txx9_register_ports()
884 			uart_add_one_port(drv, &up->port);  in serial_txx9_register_ports()
890 static void serial_txx9_console_putchar(struct uart_port *port, int ch)  in serial_txx9_console_putchar()  argument
892 	struct uart_txx9_port *up = to_uart_txx9_port(port);  in serial_txx9_console_putchar()
919 	if (!(up->port.flags & UPF_CONS_FLOW) && (flcr & TXX9_SIFLCR_TES))  in serial_txx9_console_write()
922 	uart_console_write(&up->port, s, count, serial_txx9_console_putchar);  in serial_txx9_console_write()
935 	struct uart_port *port;  in serial_txx9_console_setup()  local
950 	port = &up->port;  in serial_txx9_console_setup()
951 	if (!port->ops)  in serial_txx9_console_setup()
954 	serial_txx9_initialize(&up->port);  in serial_txx9_console_setup()
959 	return uart_set_options(port, co, baud, parity, bits, flow);  in serial_txx9_console_setup()
995 int __init early_serial_txx9_setup(struct uart_port *port)  in early_serial_txx9_setup()  argument
997 	if (port->line >= ARRAY_SIZE(serial_txx9_ports))  in early_serial_txx9_setup()
1000 	serial_txx9_ports[port->line].port = *port;  in early_serial_txx9_setup()
1001 	serial_txx9_ports[port->line].port.ops = &serial_txx9_pops;  in early_serial_txx9_setup()
1002 	serial_txx9_ports[port->line].port.flags |=  in early_serial_txx9_setup()
1020 static int serial_txx9_register_port(struct uart_port *port)  in serial_txx9_register_port()  argument
1029 		if (uart_match_port(&uart->port, port)) {  in serial_txx9_register_port()
1030 			uart_remove_one_port(&serial_txx9_reg, &uart->port);  in serial_txx9_register_port()
1038 			if (!(uart->port.iobase || uart->port.mapbase))  in serial_txx9_register_port()
1043 		uart->port.iobase = port->iobase;  in serial_txx9_register_port()
1044 		uart->port.membase = port->membase;  in serial_txx9_register_port()
1045 		uart->port.irq      = port->irq;  in serial_txx9_register_port()
1046 		uart->port.uartclk  = port->uartclk;  in serial_txx9_register_port()
1047 		uart->port.iotype   = port->iotype;  in serial_txx9_register_port()
1048 		uart->port.flags    = port->flags  in serial_txx9_register_port()
1050 		uart->port.mapbase  = port->mapbase;  in serial_txx9_register_port()
1051 		if (port->dev)  in serial_txx9_register_port()
1052 			uart->port.dev = port->dev;  in serial_txx9_register_port()
1053 		ret = uart_add_one_port(&serial_txx9_reg, &uart->port);  in serial_txx9_register_port()
1055 			ret = uart->port.line;  in serial_txx9_register_port()
1073 	uart_remove_one_port(&serial_txx9_reg, &uart->port);  in serial_txx9_unregister_port()
1074 	uart->port.flags = 0;  in serial_txx9_unregister_port()
1075 	uart->port.type = PORT_UNKNOWN;  in serial_txx9_unregister_port()
1076 	uart->port.iobase = 0;  in serial_txx9_unregister_port()
1077 	uart->port.mapbase = 0;  in serial_txx9_unregister_port()
1078 	uart->port.membase = NULL;  in serial_txx9_unregister_port()
1079 	uart->port.dev = NULL;  in serial_txx9_unregister_port()
1089 	struct uart_port port;  in serial_txx9_probe()  local
1092 	memset(&port, 0, sizeof(struct uart_port));  in serial_txx9_probe()
1094 		port.iobase	= p->iobase;  in serial_txx9_probe()
1095 		port.membase	= p->membase;  in serial_txx9_probe()
1096 		port.irq	= p->irq;  in serial_txx9_probe()
1097 		port.uartclk	= p->uartclk;  in serial_txx9_probe()
1098 		port.iotype	= p->iotype;  in serial_txx9_probe()
1099 		port.flags	= p->flags;  in serial_txx9_probe()
1100 		port.mapbase	= p->mapbase;  in serial_txx9_probe()
1101 		port.dev	= &dev->dev;  in serial_txx9_probe()
1102 		ret = serial_txx9_register_port(&port);  in serial_txx9_probe()
1123 		if (up->port.dev == &dev->dev)  in serial_txx9_remove()
1137 		if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)  in serial_txx9_suspend()
1138 			uart_suspend_port(&serial_txx9_reg, &up->port);  in serial_txx9_suspend()
1151 		if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)  in serial_txx9_resume()
1152 			uart_resume_port(&serial_txx9_reg, &up->port);  in serial_txx9_resume()
1179 	struct uart_port port;  in pciserial_txx9_init_one()  local
1187 	memset(&port, 0, sizeof(port));  in pciserial_txx9_init_one()
1188 	port.ops = &serial_txx9_pops;  in pciserial_txx9_init_one()
1189 	port.flags |= UPF_TXX9_HAVE_CTS_LINE;  in pciserial_txx9_init_one()
1190 	port.uartclk = 66670000;  in pciserial_txx9_init_one()
1191 	port.irq = dev->irq;  in pciserial_txx9_init_one()
1192 	port.iotype = UPIO_PORT;  in pciserial_txx9_init_one()
1193 	port.iobase = pci_resource_start(dev, 1);  in pciserial_txx9_init_one()
1194 	port.dev = &dev->dev;  in pciserial_txx9_init_one()
1195 	line = serial_txx9_register_port(&port);  in pciserial_txx9_init_one()
1211 		serial_txx9_unregister_port(up->port.line);  in pciserial_txx9_remove_one()
1222 		uart_suspend_port(&serial_txx9_reg, &up->port);  in pciserial_txx9_suspend_one()
1235 		uart_resume_port(&serial_txx9_reg, &up->port);  in pciserial_txx9_resume_one()
1315 		if (up->port.iobase || up->port.mapbase)  in serial_txx9_exit()
1316 			uart_remove_one_port(&serial_txx9_reg, &up->port);  in serial_txx9_exit()