include/linux/acpi_amd_wbrf.h

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

File Facts

System
Linux kernel
Corpus path
include/linux/acpi_amd_wbrf.h
Extension
.h
Size
2296 bytes
Lines
92
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 freq_band_range {
	u64		start;
	u64		end;
};

/**
 * struct wbrf_ranges_in_out - wbrf ranges info
 * @num_of_ranges: total number of band ranges in this struct
 * @band_list: array of Wifi band ranges
 */
struct wbrf_ranges_in_out {
	u64			num_of_ranges;
	struct freq_band_range	band_list[MAX_NUM_OF_WBRF_RANGES];
};

/**
 * enum wbrf_notifier_actions - wbrf notifier actions index
 * @WBRF_CHANGED: there was some frequency band updates. The consumers
 *               should retrieve the latest active frequency bands.
 */
enum wbrf_notifier_actions {
	WBRF_CHANGED,
};

#if IS_ENABLED(CONFIG_AMD_WBRF)
bool acpi_amd_wbrf_supported_producer(struct device *dev);
int acpi_amd_wbrf_add_remove(struct device *dev, uint8_t action, struct wbrf_ranges_in_out *in);
bool acpi_amd_wbrf_supported_consumer(struct device *dev);
int amd_wbrf_retrieve_freq_band(struct device *dev, struct wbrf_ranges_in_out *out);
int amd_wbrf_register_notifier(struct notifier_block *nb);
int amd_wbrf_unregister_notifier(struct notifier_block *nb);
#else
static inline
bool acpi_amd_wbrf_supported_consumer(struct device *dev)
{
	return false;
}

static inline
int acpi_amd_wbrf_add_remove(struct device *dev, uint8_t action, struct wbrf_ranges_in_out *in)
{
	return -ENODEV;
}

static inline
bool acpi_amd_wbrf_supported_producer(struct device *dev)
{
	return false;
}
static inline
int amd_wbrf_retrieve_freq_band(struct device *dev, struct wbrf_ranges_in_out *out)
{
	return -ENODEV;
}
static inline
int amd_wbrf_register_notifier(struct notifier_block *nb)
{
	return -ENODEV;
}
static inline
int amd_wbrf_unregister_notifier(struct notifier_block *nb)
{
	return -ENODEV;
}
#endif /* CONFIG_AMD_WBRF */

#endif /* _ACPI_AMD_WBRF_H */

Annotation

Implementation Notes