From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/ps3/sys-manager-core.c | 61 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 drivers/ps3/sys-manager-core.c (limited to 'drivers/ps3/sys-manager-core.c') diff --git a/drivers/ps3/sys-manager-core.c b/drivers/ps3/sys-manager-core.c new file mode 100644 index 0000000000..e061b7d063 --- /dev/null +++ b/drivers/ps3/sys-manager-core.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * PS3 System Manager core. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + */ + +#include +#include +#include +#include + +/** + * 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; +} +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\n"); + local_irq_disable(); + while (1) + lv1_pause(1); +} + -- cgit v1.2.3