drivers/media/platform/renesas/vsp1/vsp1.h

Source file repositories/reference/linux-study-clean/drivers/media/platform/renesas/vsp1/vsp1.h

File Facts

System
Linux kernel
Corpus path
drivers/media/platform/renesas/vsp1/vsp1.h
Extension
.h
Size
2899 bytes
Lines
133
Domain
Driver Families
Bucket
drivers/media
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 vsp1_device_info {
	u32 version;
	const char *model;
	unsigned int gen;
	unsigned int features;
	unsigned int lif_count;
	unsigned int rpf_count;
	unsigned int uds_count;
	unsigned int uif_count;
	unsigned int wpf_count;
	unsigned int num_bru_inputs;
	u8 soc;
	bool uapi;
};

#define vsp1_feature(vsp1, f) ((vsp1)->info->features & (f))

struct vsp1_device {
	struct device *dev;
	const struct vsp1_device_info *info;
	u32 version;

	void __iomem *mmio;
	struct rcar_fcp_device *fcp;
	struct device *bus_master;
	struct reset_control *rstc;

	struct vsp1_brx *brs;
	struct vsp1_brx *bru;
	struct vsp1_clu *clu;
	struct vsp1_hgo *hgo;
	struct vsp1_hgt *hgt;
	struct vsp1_hsit *hsi;
	struct vsp1_hsit *hst;
	struct vsp1_iif *iif;
	struct vsp1_lif *lif[VSP1_MAX_LIF];
	struct vsp1_lut *lut;
	struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
	struct vsp1_sru *sru;
	struct vsp1_uds *uds[VSP1_MAX_UDS];
	struct vsp1_uif *uif[VSP1_MAX_UIF];
	struct vsp1_rwpf *wpf[VSP1_MAX_WPF];

	struct list_head entities;
	struct list_head videos;

	struct v4l2_device v4l2_dev;
	struct media_device media_dev;
	struct media_entity_operations media_ops;

	struct vsp1_drm *drm;
	struct vsp1_vspx *vspx;
};

int vsp1_device_get(struct vsp1_device *vsp1);
void vsp1_device_put(struct vsp1_device *vsp1);

int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);

static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
{
	return ioread32(vsp1->mmio + reg);
}

static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
{
	iowrite32(data, vsp1->mmio + reg);
}

#endif /* __VSP1_H__ */

Annotation

Implementation Notes