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1// SPDX-License-Identifier: GPL-2.0-only2/*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-manager16 * 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() to26 * register call back ops for power control. Copies data to the static27 * 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 62