include/linux/olpc-ec.h

Source file repositories/reference/linux-study-clean/include/linux/olpc-ec.h

File Facts

System
Linux kernel
Corpus path
include/linux/olpc-ec.h
Extension
.h
Size
2046 bytes
Lines
77
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct olpc_ec_driver {
	int (*suspend)(struct platform_device *);
	int (*resume)(struct platform_device *);

	int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *);

	bool wakeup_available;
};

#ifdef CONFIG_OLPC_EC

extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);

extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
		size_t outlen);

extern void olpc_ec_wakeup_set(u16 value);
extern void olpc_ec_wakeup_clear(u16 value);

extern int olpc_ec_mask_write(u16 bits);
extern int olpc_ec_sci_query(u16 *sci_value);

extern bool olpc_ec_wakeup_available(void);

asmlinkage int xo1_do_sleep(u8 sleep_state);

#else

static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
		size_t outlen) { return -ENODEV; }

static inline void olpc_ec_wakeup_set(u16 value) { }
static inline void olpc_ec_wakeup_clear(u16 value) { }

static inline bool olpc_ec_wakeup_available(void)
{
	return false;
}

#endif /* CONFIG_OLPC_EC */

#endif /* _LINUX_OLPC_EC_H */

Annotation

Implementation Notes