linux_dsm_epyc7002/drivers/ps3/sys-manager-core.c
Geoff Levand 66c63b84b2 [POWERPC] PS3: System manager re-work
PS3 sys-manager updates to reflect the new PS3 unifed device support.
Fixups to the PS3 sys-manager driver to properly support sys_reboot().
 - Add varable request_tag to struct ps3_sys_manager_header.
 - Move ctrl_alt_del from PS3_SM_EVENT_POWER_RELEASED to
   PS3_SM_EVENT_POWER_PRESSED.
 - Make the PS3 sys-manager driver a loadable module.
 - Add new file sys-manager-core.c.
 - Add new struct ps3_sys_manager_ops for dynamic binding.
 - Put data sent to device on stack.
 - Add support for PS3_SM_SERVICE_ID_REQUEST_ERROR.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-06-28 19:16:41 +10:00

69 lines
2.0 KiB
C

/*
* 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 <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 ps3_sys_manager_power_off(void)
{
if (ps3_sys_manager_ops.power_off)
ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
printk(KERN_EMERG "System Halted, OK to turn off power\n");
local_irq_disable();
while (1)
(void)0;
}
void ps3_sys_manager_restart(void)
{
if (ps3_sys_manager_ops.restart)
ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
printk(KERN_EMERG "System Halted, OK to turn off power\n");
local_irq_disable();
while (1)
(void)0;
}