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drivers/ps3/sys-manager-core.c
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81f7e3824 Initial Release, ... |
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/* * PS3 System Manager core. * * Copyright (C) 2007 Sony Computer Entertainment Inc. * Copyright 2007 Sony Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #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 "); local_irq_disable(); while (1) lv1_pause(1); } |