drivers/gpu/drm/solomon/ssd130x.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/solomon/ssd130x.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/solomon/ssd130x.h
Extension
.h
Size
2302 bytes
Lines
114
Domain
Driver Families
Bucket
drivers/gpu
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 ssd130x_deviceinfo {
	u32 default_vcomh;
	u32 default_dclk_div;
	u32 default_dclk_frq;
	u32 default_width;
	u32 default_height;
	bool need_pwm;
	bool need_chargepump;
	bool page_mode_only;

	enum ssd130x_family_ids family_id;
};

struct ssd130x_device {
	struct drm_device drm;
	struct device *dev;
	struct drm_display_mode mode;
	struct drm_plane primary_plane;
	struct drm_crtc crtc;
	struct drm_encoder encoder;
	struct drm_connector connector;
	struct i2c_client *client;

	struct regmap *regmap;

	const struct ssd130x_deviceinfo *device_info;

	unsigned page_address_mode : 1;
	unsigned area_color_enable : 1;
	unsigned com_invdir : 1;
	unsigned com_lrremap : 1;
	unsigned com_seq : 1;
	unsigned lookup_table_set : 1;
	unsigned low_power : 1;
	unsigned seg_remap : 1;
	u32 com_offset;
	u32 contrast;
	u32 dclk_div;
	u32 dclk_frq;
	u32 height;
	u8 lookup_table[4];
	u32 page_offset;
	u32 col_offset;
	u32 prechargep1;
	u32 prechargep2;

	struct backlight_device *bl_dev;
	struct pwm_device *pwm;
	struct gpio_desc *reset;
	struct regulator *vcc_reg;
	u32 vcomh;
	u32 width;
	/* Cached address ranges */
	u8 col_start;
	u8 col_end;
	u8 page_start;
	u8 page_end;
};

extern const struct ssd130x_deviceinfo ssd130x_variants[];

struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap);
void ssd130x_remove(struct ssd130x_device *ssd130x);
void ssd130x_shutdown(struct ssd130x_device *ssd130x);

#endif /* __SSD130X_H__ */

Annotation

Implementation Notes