1/*
2 * Suspend-to-RAM support code for SH-Mobile ARM
3 *
4 *  Copyright (C) 2011 Magnus Damm
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License.  See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#include <linux/pm.h>
12#include <linux/suspend.h>
13#include <linux/module.h>
14#include <linux/err.h>
15#include <linux/cpu.h>
16
17#include <asm/io.h>
18#include <asm/system_misc.h>
19
20static int shmobile_suspend_default_enter(suspend_state_t suspend_state)
21{
22	cpu_do_idle();
23	return 0;
24}
25
26static int shmobile_suspend_begin(suspend_state_t state)
27{
28	cpu_idle_poll_ctrl(true);
29	return 0;
30}
31
32static void shmobile_suspend_end(void)
33{
34	cpu_idle_poll_ctrl(false);
35}
36
37struct platform_suspend_ops shmobile_suspend_ops = {
38	.begin		= shmobile_suspend_begin,
39	.end		= shmobile_suspend_end,
40	.enter		= shmobile_suspend_default_enter,
41	.valid		= suspend_valid_only_mem,
42};
43
44int __init shmobile_suspend_init(void)
45{
46	suspend_set_ops(&shmobile_suspend_ops);
47	return 0;
48}
49