blob: c429ffca1ab7633b475e2b767986284c4f651b7e [file] [log] [blame]
Geoff Levand66c63b82007-06-16 08:03:54 +10001/*
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>
Paul Gortmaker66b15db2011-05-27 10:46:24 -040022#include <linux/export.h>
Geert Uytterhoevenca052f72008-03-27 11:38:31 +110023#include <asm/lv1call.h>
Geoff Levand66c63b82007-06-16 08:03:54 +100024#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
Geoff Levandfcc48072015-01-13 01:00:20 +000050void __noreturn ps3_sys_manager_power_off(void)
Geoff Levand66c63b82007-06-16 08:03:54 +100051{
52 if (ps3_sys_manager_ops.power_off)
53 ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
54
Geert Uytterhoevenca052f72008-03-27 11:38:31 +110055 ps3_sys_manager_halt();
Geoff Levand66c63b82007-06-16 08:03:54 +100056}
57
Geoff Levandfcc48072015-01-13 01:00:20 +000058void __noreturn ps3_sys_manager_restart(void)
Geoff Levand66c63b82007-06-16 08:03:54 +100059{
60 if (ps3_sys_manager_ops.restart)
61 ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
62
Geert Uytterhoevenca052f72008-03-27 11:38:31 +110063 ps3_sys_manager_halt();
64}
65
Geoff Levandfcc48072015-01-13 01:00:20 +000066void __noreturn ps3_sys_manager_halt(void)
Geert Uytterhoevenca052f72008-03-27 11:38:31 +110067{
68 pr_emerg("System Halted, OK to turn off power\n");
Geoff Levand66c63b82007-06-16 08:03:54 +100069 local_irq_disable();
70 while (1)
Geert Uytterhoevenca052f72008-03-27 11:38:31 +110071 lv1_pause(1);
Geoff Levand66c63b82007-06-16 08:03:54 +100072}
Geert Uytterhoevenca052f72008-03-27 11:38:31 +110073