1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Suspend-to-RAM support code for SH-Mobile ARM
4 *
5 *  Copyright (C) 2011 Magnus Damm
6 */
7
8#include <linux/pm.h>
9#include <linux/suspend.h>
10#include <linux/module.h>
11#include <linux/err.h>
12#include <linux/cpu.h>
13
14#include <asm/io.h>
15#include <asm/system_misc.h>
16
17#include "common.h"
18
19static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
20{
21	cpu_do_idle();
22	return 0;
23}
24
25static int shmobile_suspend_begin(suspend_state_t state)
26{
27	cpu_idle_poll_ctrl(true);
28	return 0;
29}
30
31static void shmobile_suspend_end(void)
32{
33	cpu_idle_poll_ctrl(false);
34}
35
36struct platform_suspend_ops shmobile_suspend_ops = {
37	.begin		= shmobile_suspend_begin,
38	.end		= shmobile_suspend_end,
39	.enter		= shmobile_suspend_default_enter,
40	.valid		= suspend_valid_only_mem,
41};
42
43int __init shmobile_suspend_init(void)
44{
45	suspend_set_ops(&shmobile_suspend_ops);
46	return 0;
47}
48