blob: 24709c572c0cdd1461f911a6f06451e749e746bd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* PS3 System Manager core.
*
* Copyright (C) 2007 Sony Computer Entertainment Inc.
* Copyright 2007 Sony Corp.
*/
#include <linux/kernel.h>
#include <linux/export.h>
#include <asm/lv1call.h>
#include <asm/ps3.h>
/**
* Staticly linked routines that allow late binding of a loaded sys-manager
* module.
*/
static struct ps3_sys_manager_ops ps3_sys_manager_ops;
/**
* ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module.
* @ops: struct ps3_sys_manager_ops.
*
* To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to
* register call back ops for power control. Copies data to the static
* variable ps3_sys_manager_ops.
*/
void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops)
{
BUG_ON(!ops);
BUG_ON(!ops->dev);
ps3_sys_manager_ops = ops ? *ops : ps3_sys_manager_ops;
}
EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops);
void __noreturn ps3_sys_manager_power_off(void)
{
if (ps3_sys_manager_ops.power_off)
ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
ps3_sys_manager_halt();
}
void __noreturn ps3_sys_manager_restart(void)
{
if (ps3_sys_manager_ops.restart)
ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
ps3_sys_manager_halt();
}
void __noreturn ps3_sys_manager_halt(void)
{
pr_emerg("System Halted, OK to turn off power\n");
local_irq_disable();
while (1)
lv1_pause(1);
}
|
