ia64/linux-2.6.18-xen.hg

view drivers/serial/m32r_sio.h @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /*
2 * m32r_sio.h
3 *
4 * Driver for M32R serial ports
5 *
6 * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
7 * Based on drivers/serial/8250.h.
8 *
9 * Copyright (C) 2001 Russell King.
10 * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 */
19 struct m32r_sio_probe {
20 struct module *owner;
21 int (*pci_init_one)(struct pci_dev *dev);
22 void (*pci_remove_one)(struct pci_dev *dev);
23 void (*pnp_init)(void);
24 };
26 int m32r_sio_register_probe(struct m32r_sio_probe *probe);
27 void m32r_sio_unregister_probe(struct m32r_sio_probe *probe);
28 void m32r_sio_get_irq_map(unsigned int *map);
29 void m32r_sio_suspend_port(int line);
30 void m32r_sio_resume_port(int line);
32 struct old_serial_port {
33 unsigned int uart;
34 unsigned int baud_base;
35 unsigned int port;
36 unsigned int irq;
37 unsigned int flags;
38 unsigned char io_type;
39 unsigned char __iomem *iomem_base;
40 unsigned short iomem_reg_shift;
41 };
43 #define _INLINE_ inline
45 #define PROBE_RSA (1 << 0)
46 #define PROBE_ANY (~0)
48 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
50 #ifdef CONFIG_SERIAL_SIO_SHARE_IRQ
51 #define M32R_SIO_SHARE_IRQS 1
52 #else
53 #define M32R_SIO_SHARE_IRQS 0
54 #endif