1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * arch/powerpc/include/asm/mpic_timer.h
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Header file for Mpic Global Timer
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright 2013 Freescale Semiconductor, Inc.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * Author: Wang Dongsheng <Dongsheng.Wang@freescale.com>
10*4882a593Smuzhiyun * Li Yang <leoli@freescale.com>
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #ifndef __MPIC_TIMER__
14*4882a593Smuzhiyun #define __MPIC_TIMER__
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <linux/interrupt.h>
17*4882a593Smuzhiyun #include <linux/time.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun struct mpic_timer {
20*4882a593Smuzhiyun void *dev;
21*4882a593Smuzhiyun struct cascade_priv *cascade_handle;
22*4882a593Smuzhiyun unsigned int num;
23*4882a593Smuzhiyun unsigned int irq;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #ifdef CONFIG_MPIC_TIMER
27*4882a593Smuzhiyun struct mpic_timer *mpic_request_timer(irq_handler_t fn, void *dev,
28*4882a593Smuzhiyun time64_t time);
29*4882a593Smuzhiyun void mpic_start_timer(struct mpic_timer *handle);
30*4882a593Smuzhiyun void mpic_stop_timer(struct mpic_timer *handle);
31*4882a593Smuzhiyun void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time);
32*4882a593Smuzhiyun void mpic_free_timer(struct mpic_timer *handle);
33*4882a593Smuzhiyun #else
mpic_request_timer(irq_handler_t fn,void * dev,time64_t time)34*4882a593Smuzhiyun struct mpic_timer *mpic_request_timer(irq_handler_t fn, void *dev,
35*4882a593Smuzhiyun time64_t time) { return NULL; }
mpic_start_timer(struct mpic_timer * handle)36*4882a593Smuzhiyun void mpic_start_timer(struct mpic_timer *handle) { }
mpic_stop_timer(struct mpic_timer * handle)37*4882a593Smuzhiyun void mpic_stop_timer(struct mpic_timer *handle) { }
mpic_get_remain_time(struct mpic_timer * handle,time64_t * time)38*4882a593Smuzhiyun void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time) { }
mpic_free_timer(struct mpic_timer * handle)39*4882a593Smuzhiyun void mpic_free_timer(struct mpic_timer *handle) { }
40*4882a593Smuzhiyun #endif
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #endif
43