diff options
Diffstat (limited to 'drivers/ps3/sys-manager-core.c')
-rw-r--r-- | drivers/ps3/sys-manager-core.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/ps3/sys-manager-core.c b/drivers/ps3/sys-manager-core.c new file mode 100644 index 000000000..c429ffca1 --- /dev/null +++ b/drivers/ps3/sys-manager-core.c @@ -0,0 +1,73 @@ +/* + * 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\n"); + local_irq_disable(); + while (1) + lv1_pause(1); +} + |