drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
Extension
.h
Size
1963 bytes
Lines
82
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 hibmc_vdac {
	struct drm_device *dev;
	struct drm_encoder encoder;
	struct drm_connector connector;
	struct i2c_adapter adapter;
	struct i2c_algo_bit_data bit_data;
	int phys_status;
};

struct hibmc_drm_private {
	/* hw */
	void __iomem   *mmio;

	/* drm */
	struct drm_device dev;
	struct drm_plane primary_plane;
	struct drm_crtc crtc;
	struct hibmc_vdac vdac;
	struct hibmc_dp dp;
};

static inline struct hibmc_vdac *to_hibmc_vdac(struct drm_connector *connector)
{
	return container_of(connector, struct hibmc_vdac, connector);
}

static inline struct hibmc_dp *to_hibmc_dp(struct drm_connector *connector)
{
	return container_of(connector, struct hibmc_dp, connector);
}

static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
{
	return container_of(dev, struct hibmc_drm_private, dev);
}

void hibmc_set_power_mode(struct hibmc_drm_private *priv,
			  u32 power_mode);
void hibmc_set_current_gate(struct hibmc_drm_private *priv,
			    u32 gate);

int hibmc_de_init(struct hibmc_drm_private *priv);
int hibmc_vdac_init(struct hibmc_drm_private *priv);

int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_vdac *connector);
void hibmc_ddc_del(struct hibmc_vdac *vdac);

int hibmc_dp_init(struct hibmc_drm_private *priv);

void hibmc_debugfs_init(struct drm_connector *connector, struct dentry *root);

irqreturn_t hibmc_dp_hpd_isr(int irq, void *arg);

#endif

Annotation

Implementation Notes