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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/linux/serial_8250.h
3 *
4 * Copyright (C) 2004 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 */
11#ifndef _LINUX_SERIAL_8250_H
12#define _LINUX_SERIAL_8250_H
13
14#include <linux/serial_core.h>
15#include <linux/device.h>
16
Russell Kingbc49a662005-09-01 15:56:26 +010017/*
18 * This is the platform device platform_data structure
19 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070020struct plat_serial8250_port {
21 unsigned long iobase; /* io base address */
22 void __iomem *membase; /* ioremap cookie or NULL */
23 unsigned long mapbase; /* resource base */
24 unsigned int irq; /* interrupt number */
25 unsigned int uartclk; /* UART clock rate */
26 unsigned char regshift; /* register shift */
27 unsigned char iotype; /* UPIO_* */
Russell Kingec9f47c2005-06-27 11:12:54 +010028 unsigned char hub6;
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 unsigned int flags; /* UPF_* flags */
30};
31
Russell Kingbc49a662005-09-01 15:56:26 +010032/*
33 * This should be used by drivers which want to register
34 * their own 8250 ports without registering their own
35 * platform device. Using these will make your driver
36 * dependent on the 8250 driver.
37 */
38struct uart_port;
39
40int serial8250_register_port(struct uart_port *);
41void serial8250_unregister_port(int line);
42void serial8250_suspend_port(int line);
43void serial8250_resume_port(int line);
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#endif