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