drivers/gpu/drm/mcde/mcde_drm.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/mcde/mcde_drm.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/mcde/mcde_drm.h
Extension
.h
Size
3560 bytes
Lines
119
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 mcde {
	struct drm_device drm;
	struct device *dev;
	struct drm_panel *panel;
	struct drm_bridge *bridge;
	struct drm_connector *connector;
	struct drm_simple_display_pipe pipe;
	struct mipi_dsi_device *mdsi;
	bool dpi_output;
	s16 stride;
	enum mcde_flow_mode flow_mode;
	unsigned int flow_active;
	spinlock_t flow_lock; /* Locks the channel flow control */

	void __iomem *regs;

	struct clk *mcde_clk;
	struct clk *lcd_clk;
	struct clk *hdmi_clk;
	/* Handles to the clock dividers for FIFO A and B */
	struct clk *fifoa_clk;
	struct clk *fifob_clk;
	/* Locks the MCDE FIFO control register A and B */
	spinlock_t fifo_crx1_lock;

	struct regulator *epod;
	struct regulator *vana;
};

#define to_mcde(dev) container_of(dev, struct mcde, drm)

static inline bool mcde_flow_is_video(struct mcde *mcde)
{
	return (mcde->flow_mode == MCDE_VIDEO_TE_FLOW ||
		mcde->flow_mode == MCDE_VIDEO_FORMATTER_FLOW);
}

bool mcde_dsi_irq(struct mipi_dsi_device *mdsi);
void mcde_dsi_te_request(struct mipi_dsi_device *mdsi);
void mcde_dsi_enable(struct drm_bridge *bridge);
void mcde_dsi_disable(struct drm_bridge *bridge);
extern struct platform_driver mcde_dsi_driver;

void mcde_display_irq(struct mcde *mcde);
void mcde_display_disable_irqs(struct mcde *mcde);
int mcde_display_init(struct drm_device *drm);

int mcde_init_clock_divider(struct mcde *mcde);

#endif /* _MCDE_DRM_H_ */

Annotation

Implementation Notes