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43 lines
1.2 KiB
43 lines
1.2 KiB
/*
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* include/linux/platform.h - platform driver definitions
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*
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* Because of the prolific consumerism of the average American,
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* and the dominant marketing budgets of PC OEMs, we have been
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* blessed with frequent updates of the PC architecture.
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*
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* While most of these calls are singular per architecture, they
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* require an extra layer of abstraction on the x86 so the right
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* subsystem gets the right call.
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*
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* Basically, this consolidates the power off and reboot callbacks
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* into one structure, as well as adding power management hooks.
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*
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* When adding a platform driver, please make sure all callbacks are
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* filled. There are defaults defined below that do nothing; use those
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* if you do not support that callback.
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*/
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#ifndef _PLATFORM_H_
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#define _PLATFORM_H_
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#ifdef __KERNEL__
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#include <linux/types.h>
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struct platform_t {
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char * name;
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u32 suspend_states;
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void (*reboot)(char * cmd);
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void (*halt)(void);
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void (*power_off)(void);
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int (*suspend)(int state, int flags);
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void (*idle)(void);
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};
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extern struct platform_t * platform;
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extern void default_reboot(char * cmd);
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extern void default_halt(void);
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extern int default_suspend(int state, int flags);
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extern void default_idle(void);
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#endif /* __KERNEL__ */
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#endif /* _PLATFORM_H */
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