xref: /linux/arch/mips/include/asm/cevt-r4k.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 2008 Kevin D. Kissell
7  */
8 
9 /*
10  * Definitions used for common event timer implementation
11  * for MIPS 4K-type processors and their MIPS MT variants.
12  * Avoids unsightly extern declarations in C files.
13  */
14 #ifndef __ASM_CEVT_R4K_H
15 #define __ASM_CEVT_R4K_H
16 
17 #include <linux/clockchips.h>
18 #include <asm/time.h>
19 
20 DECLARE_PER_CPU(struct clock_event_device, mips_clockevent_device);
21 
22 void mips_event_handler(struct clock_event_device *dev);
23 int c0_compare_int_usable(void);
24 irqreturn_t c0_compare_interrupt(int, void *);
25 
26 extern struct irqaction c0_compare_irqaction;
27 extern int cp0_timer_irq_installed;
28 
29 #endif /* __ASM_CEVT_R4K_H */
30