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 <asm/lv1call.h>
23#include <asm/ps3.h>
24
25/**
26 * Staticly linked routines that allow late binding of a loaded sys-manager
27 * module.
28 */
29
30static struct ps3_sys_manager_ops ps3_sys_manager_ops;
31
32/**
33 * ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module.
34 * @ops: struct ps3_sys_manager_ops.
35 *
36 * To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to
37 * register call back ops for power control.  Copies data to the static
38 * variable ps3_sys_manager_ops.
39 */
40
41void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops)
42{
43	BUG_ON(!ops);
44	BUG_ON(!ops->dev);
45	ps3_sys_manager_ops = ops ? *ops : ps3_sys_manager_ops;
46}
47EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops);
48
49void ps3_sys_manager_power_off(void)
50{
51	if (ps3_sys_manager_ops.power_off)
52		ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
53
54	ps3_sys_manager_halt();
55}
56
57void ps3_sys_manager_restart(void)
58{
59	if (ps3_sys_manager_ops.restart)
60		ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
61
62	ps3_sys_manager_halt();
63}
64
65void ps3_sys_manager_halt(void)
66{
67	pr_emerg("System Halted, OK to turn off power\n");
68	local_irq_disable();
69	while (1)
70		lv1_pause(1);
71}
72