drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h
Extension
.h
Size
2274 bytes
Lines
93
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 rzg2l_du_output_routing {
	unsigned int possible_outputs;
	unsigned int port;
};

/*
 * struct rzg2l_du_device_info - DU model-specific information
 * @channels_mask: bit mask of available DU channels
 * @routes: array of CRTC to output routes, indexed by output (RZG2L_DU_OUTPUT_*)
 * @mode_clock_min: minimum pixel clock in kHz
 * @mode_clock_max: maximum pixel clock in kHz
 * @features: device features (RZG2L_DU_FEATURE_*)
 */
struct rzg2l_du_device_info {
	unsigned int channels_mask;
	struct rzg2l_du_output_routing routes[RZG2L_DU_OUTPUT_MAX];
	u32 mode_clock_min;
	u32 mode_clock_max;
	unsigned int features;
};

#define RZG2L_DU_MAX_CRTCS		1
#define RZG2L_DU_MAX_VSPS		1
#define RZG2L_DU_MAX_DSI		1

struct rzg2l_du_device {
	struct device *dev;
	const struct rzg2l_du_device_info *info;

	void __iomem *mmio;

	struct drm_device ddev;

	struct rzg2l_du_crtc crtcs[RZG2L_DU_MAX_CRTCS];
	unsigned int num_crtcs;

	struct rzg2l_du_vsp vsps[RZG2L_DU_MAX_VSPS];
};

static inline struct rzg2l_du_device *to_rzg2l_du_device(struct drm_device *dev)
{
	return container_of(dev, struct rzg2l_du_device, ddev);
}

static inline bool rzg2l_du_has(struct rzg2l_du_device *rcdu,
				unsigned int feature)
{
	return rcdu->info->features & feature;
}

const char *rzg2l_du_output_name(enum rzg2l_du_output output);

#endif /* __RZG2L_DU_DRV_H__ */

Annotation

Implementation Notes