ia64/linux-2.6.18-xen.hg

view drivers/char/nwbutton.h @ 912:dd42cdb0ab89

[IA64] Build blktap2 driver by default in x86 builds.

add CONFIG_XEN_BLKDEV_TAP2=y to buildconfigs/linux-defconfig_xen_ia64.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Mon Jun 29 12:09:16 2009 +0900 (2009-06-29)
parents 831230e53067
children
line source
1 #ifndef __NWBUTTON_H
2 #define __NWBUTTON_H
4 /*
5 * NetWinder Button Driver-
6 * Copyright (C) Alex Holden <alex@linuxhacker.org> 1998, 1999.
7 */
9 #ifdef __NWBUTTON_C /* Actually compiling the driver itself */
11 /* Various defines: */
13 #define NUM_PRESSES_REBOOT 2 /* How many presses to activate shutdown */
14 #define BUTTON_DELAY 30 /* How many jiffies for sequence to end */
15 #define VERSION "0.3" /* Driver version number */
16 #define BUTTON_MINOR 158 /* Major 10, Minor 158, /dev/nwbutton */
18 /* Structure definitions: */
20 struct button_callback {
21 void (*callback) (void);
22 int count;
23 };
25 /* Function prototypes: */
27 static void button_sequence_finished (unsigned long parameters);
28 static irqreturn_t button_handler (int irq, void *dev_id, struct pt_regs *regs);
29 int button_init (void);
30 int button_add_callback (void (*callback) (void), int count);
31 int button_del_callback (void (*callback) (void));
32 static void button_consume_callbacks (int bpcount);
34 #else /* Not compiling the driver itself */
36 extern int button_add_callback (void (*callback) (void), int count);
37 extern int button_del_callback (void (*callback) (void));
39 #endif /* __NWBUTTON_C */
40 #endif /* __NWBUTTON_H */