| 1 | |
| 2 | |
| 3 | * PS3 System Manager core.
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| 4 | *
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| 5 | * Copyright (C) 2007 Sony Computer Entertainment Inc.
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| 6 | * Copyright 2007 Sony Corp.
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| 7 |
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| 8 |
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| 9 | #include <linux/kernel.h>
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| 10 | #include <linux/export.h>
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| 11 | #include <asm/lv1call.h>
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| 12 | #include <asm/ps3.h>
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| 13 |
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| 14 | |
| 15 | * Statically linked routines that allow late binding of a loaded sys-manager
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| 16 | * module.
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| 17 |
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| 18 |
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| 19 | static struct ps3_sys_manager_ops ps3_sys_manager_ops;
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| 20 |
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| 21 | |
| 22 | * ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module.
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| 23 | * @ops: struct ps3_sys_manager_ops.
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| 24 | *
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| 25 | * To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to
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| 26 | * register call back ops for power control. Copies data to the static
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| 27 | * variable ps3_sys_manager_ops.
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| 28 |
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| 29 |
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| 30 | void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops)
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| 31 | {
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| 32 | BUG_ON(!ops);
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| 33 | BUG_ON(!ops->dev);
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| 34 | ps3_sys_manager_ops = *ops;
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| 35 | }
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| 36 | EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops);
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| 37 |
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| 38 | void __noreturn ps3_sys_manager_power_off(void)
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| 39 | {
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| 40 | if (ps3_sys_manager_ops.power_off)
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| 41 | ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
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| 42 |
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| 43 | ps3_sys_manager_halt();
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| 44 | }
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| 45 |
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| 46 | void __noreturn ps3_sys_manager_restart(void)
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| 47 | {
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| 48 | if (ps3_sys_manager_ops.restart)
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| 49 | ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
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| 50 |
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| 51 | ps3_sys_manager_halt();
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| 52 | }
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| 53 |
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| 54 | void __noreturn ps3_sys_manager_halt(void)
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| 55 | {
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| 56 | pr_emerg("System Halted, OK to turn off power\n");
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| 57 | local_irq_disable();
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| 58 | while (1)
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| 59 | lv1_pause(1);
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| 60 | }
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| 61 |
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