Blame view

drivers/ps3/sys-manager-core.c 1.98 KB
66c63b84b   Geoff Levand   [POWERPC] PS3: Sy...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
  /*
   *  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>
66b15db69   Paul Gortmaker   powerpc: add expo...
22
  #include <linux/export.h>
ca052f792   Geert Uytterhoeven   [POWERPC] PS3: Sa...
23
  #include <asm/lv1call.h>
66c63b84b   Geoff Levand   [POWERPC] PS3: Sy...
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
  #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);
ca052f792   Geert Uytterhoeven   [POWERPC] PS3: Sa...
54
  	ps3_sys_manager_halt();
66c63b84b   Geoff Levand   [POWERPC] PS3: Sy...
55
56
57
58
59
60
  }
  
  void ps3_sys_manager_restart(void)
  {
  	if (ps3_sys_manager_ops.restart)
  		ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
ca052f792   Geert Uytterhoeven   [POWERPC] PS3: Sa...
61
62
63
64
65
66
67
  	ps3_sys_manager_halt();
  }
  
  void ps3_sys_manager_halt(void)
  {
  	pr_emerg("System Halted, OK to turn off power
  ");
66c63b84b   Geoff Levand   [POWERPC] PS3: Sy...
68
69
  	local_irq_disable();
  	while (1)
ca052f792   Geert Uytterhoeven   [POWERPC] PS3: Sa...
70
  		lv1_pause(1);
66c63b84b   Geoff Levand   [POWERPC] PS3: Sy...
71
  }
ca052f792   Geert Uytterhoeven   [POWERPC] PS3: Sa...
72