1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * arch/powerpc/include/asm/mpic_timer.h
4  *
5  * Header file for Mpic Global Timer
6  *
7  * Copyright 2013 Freescale Semiconductor, Inc.
8  *
9  * Author: Wang Dongsheng <Dongsheng.Wang@freescale.com>
10  *	   Li Yang <leoli@freescale.com>
11  */
12 
13 #ifndef __MPIC_TIMER__
14 #define __MPIC_TIMER__
15 
16 #include <linux/interrupt.h>
17 #include <linux/time.h>
18 
19 struct mpic_timer {
20 	void			*dev;
21 	struct cascade_priv	*cascade_handle;
22 	unsigned int		num;
23 	unsigned int		irq;
24 };
25 
26 #ifdef CONFIG_MPIC_TIMER
27 struct mpic_timer *mpic_request_timer(irq_handler_t fn,  void *dev,
28 		time64_t time);
29 void mpic_start_timer(struct mpic_timer *handle);
30 void mpic_stop_timer(struct mpic_timer *handle);
31 void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time);
32 void mpic_free_timer(struct mpic_timer *handle);
33 #else
mpic_request_timer(irq_handler_t fn,void * dev,time64_t time)34 struct mpic_timer *mpic_request_timer(irq_handler_t fn,  void *dev,
35 		time64_t time) { return NULL; }
mpic_start_timer(struct mpic_timer * handle)36 void mpic_start_timer(struct mpic_timer *handle) { }
mpic_stop_timer(struct mpic_timer * handle)37 void mpic_stop_timer(struct mpic_timer *handle) { }
mpic_get_remain_time(struct mpic_timer * handle,time64_t * time)38 void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time) { }
mpic_free_timer(struct mpic_timer * handle)39 void mpic_free_timer(struct mpic_timer *handle) { }
40 #endif
41 
42 #endif
43