drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
Extension
.h
Size
6871 bytes
Lines
183
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 nvkm_fb_tile {
	struct nvkm_mm_node *tag;
	u32 addr;
	u32 limit;
	u32 pitch;
	u32 zcomp;
};

struct nvkm_fb {
	const struct nvkm_fb_func *func;
	struct nvkm_subdev subdev;

	struct nvkm_falcon_fw vpr_scrubber;

	struct {
		struct page *flush_page;
		dma_addr_t flush_page_addr;
	} sysmem;

	struct nvkm_ram *ram;

	struct {
		struct mutex mutex; /* protects mm and nvkm_memory::tags */
		struct nvkm_mm mm;
	} tags;

	struct {
		struct nvkm_fb_tile region[16];
		int regions;
	} tile;

	u8 page;

	struct nvkm_memory *mmu_rd;
	struct nvkm_memory *mmu_wr;
};

u64 nvkm_fb_vidmem_size(struct nvkm_device *);
int nvkm_fb_mem_unlock(struct nvkm_fb *);

void nvkm_fb_tile_init(struct nvkm_fb *, int region, u32 addr, u32 size,
		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
void nvkm_fb_tile_fini(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
void nvkm_fb_tile_prog(struct nvkm_fb *, int region, struct nvkm_fb_tile *);

int nv04_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv10_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv1a_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv20_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv25_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv30_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv35_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv36_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv40_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv41_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv44_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv46_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv47_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv49_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv4e_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int nv50_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int g84_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gt215_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int mcp77_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int mcp89_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gf100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gf108_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gk104_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gk110_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gk20a_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gm107_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gm200_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gm20b_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gp100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gp102_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gp10b_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gv100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int tu102_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int ga100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int ga102_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gh100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gb100_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);
int gb202_fb_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fb **);

#include <subdev/bios.h>
#include <subdev/bios/ramcfg.h>

struct nvkm_ram_data {
	struct list_head head;
	struct nvbios_ramcfg bios;

Annotation

Implementation Notes