drivers/platform/x86/dell/alienware-wmi.h

Source file repositories/reference/linux-study-clean/drivers/platform/x86/dell/alienware-wmi.h

File Facts

System
Linux kernel
Corpus path
drivers/platform/x86/dell/alienware-wmi.h
Extension
.h
Size
2573 bytes
Lines
118
Domain
Driver Families
Bucket
drivers/platform
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct alienfx_quirks {
	u8 num_zones;
	bool hdmi_mux;
	bool amplifier;
	bool deepslp;
};

struct color_platform {
	u8 blue;
	u8 green;
	u8 red;
} __packed;

struct alienfx_priv {
	struct platform_device *pdev;
	struct led_classdev global_led;
	struct color_platform colors[4];
	u8 global_brightness;
	u8 lighting_control_state;
};

struct alienfx_ops {
	int (*upd_led)(struct alienfx_priv *priv, struct wmi_device *wdev,
		       u8 location);
	int (*upd_brightness)(struct alienfx_priv *priv, struct wmi_device *wdev,
			      u8 brightness);
};

struct alienfx_platdata {
	struct wmi_device *wdev;
	struct alienfx_ops ops;
};

extern u8 alienware_interface;
extern struct alienfx_quirks *alienfx;

int alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
			  void *in_args, size_t in_size, u32 *out_data);

int alienware_alienfx_setup(struct alienfx_platdata *pdata);

#if IS_ENABLED(CONFIG_ALIENWARE_WMI_LEGACY)
int __init alienware_legacy_wmi_init(void);
void __exit alienware_legacy_wmi_exit(void);
#else
static inline int alienware_legacy_wmi_init(void)
{
	return -ENODEV;
}

static inline void alienware_legacy_wmi_exit(void)
{
}
#endif

#if IS_ENABLED(CONFIG_ALIENWARE_WMI_WMAX)
extern const struct attribute_group wmax_hdmi_attribute_group;
extern const struct attribute_group wmax_amplifier_attribute_group;
extern const struct attribute_group wmax_deepsleep_attribute_group;

#define WMAX_DEV_GROUPS		&wmax_hdmi_attribute_group,		\
				&wmax_amplifier_attribute_group,	\
				&wmax_deepsleep_attribute_group,

int __init alienware_wmax_wmi_init(void);
void __exit alienware_wmax_wmi_exit(void);
#else
#define WMAX_DEV_GROUPS

static inline int alienware_wmax_wmi_init(void)
{
	return -ENODEV;
}


static inline void alienware_wmax_wmi_exit(void)
{
}
#endif

#endif

Annotation

Implementation Notes