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Diffstat (limited to 'include/linux/platform.h')
| -rw-r--r-- | include/linux/platform.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/platform.h b/include/linux/platform.h new file mode 100644 index 000000000000..3c33084a6ec2 --- /dev/null +++ b/include/linux/platform.h @@ -0,0 +1,43 @@ +/* + * include/linux/platform.h - platform driver definitions + * + * Because of the prolific consumerism of the average American, + * and the dominant marketing budgets of PC OEMs, we have been + * blessed with frequent updates of the PC architecture. + * + * While most of these calls are singular per architecture, they + * require an extra layer of abstraction on the x86 so the right + * subsystem gets the right call. + * + * Basically, this consolidates the power off and reboot callbacks + * into one structure, as well as adding power management hooks. + * + * When adding a platform driver, please make sure all callbacks are + * filled. There are defaults defined below that do nothing; use those + * if you do not support that callback. + */ + +#ifndef _PLATFORM_H_ +#define _PLATFORM_H_ +#ifdef __KERNEL__ + +#include <linux/types.h> + +struct platform_t { + char * name; + u32 suspend_states; + void (*reboot)(char * cmd); + void (*halt)(void); + void (*power_off)(void); + int (*suspend)(int state, int flags); + void (*idle)(void); +}; + +extern struct platform_t * platform; +extern void default_reboot(char * cmd); +extern void default_halt(void); +extern int default_suspend(int state, int flags); +extern void default_idle(void); + +#endif /* __KERNEL__ */ +#endif /* _PLATFORM_H */ |