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

 
 1/*
 2 *  PS3 System Manager core.
 3 *
 4 *  Copyright (C) 2007 Sony Computer Entertainment Inc.
 5 *  Copyright 2007 Sony Corp.
 6 *
 7 *  This program is free software; you can redistribute it and/or modify
 8 *  it under the terms of the GNU General Public License as published by
 9 *  the Free Software Foundation; version 2 of the License.
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *  GNU General Public License for more details.
15 *
16 *  You should have received a copy of the GNU General Public License
17 *  along with this program; if not, write to the Free Software
18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20
21#include <linux/kernel.h>
22#include <linux/export.h>
23#include <asm/lv1call.h>
24#include <asm/ps3.h>
25
26/**
27 * Staticly linked routines that allow late binding of a loaded sys-manager
28 * module.
29 */
30
31static struct ps3_sys_manager_ops ps3_sys_manager_ops;
32
33/**
34 * ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module.
35 * @ops: struct ps3_sys_manager_ops.
36 *
37 * To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to
38 * register call back ops for power control.  Copies data to the static
39 * variable ps3_sys_manager_ops.
40 */
41
42void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops)
43{
44	BUG_ON(!ops);
45	BUG_ON(!ops->dev);
46	ps3_sys_manager_ops = ops ? *ops : ps3_sys_manager_ops;
47}
48EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops);
49
50void __noreturn ps3_sys_manager_power_off(void)
51{
52	if (ps3_sys_manager_ops.power_off)
53		ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
54
55	ps3_sys_manager_halt();
56}
57
58void __noreturn ps3_sys_manager_restart(void)
59{
60	if (ps3_sys_manager_ops.restart)
61		ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
62
63	ps3_sys_manager_halt();
64}
65
66void __noreturn ps3_sys_manager_halt(void)
67{
68	pr_emerg("System Halted, OK to turn off power\n");
69	local_irq_disable();
70	while (1)
71		lv1_pause(1);
72}
73