1 #ifndef __NVKM_LTC_H__
2 #define __NVKM_LTC_H__
3 #include <core/subdev.h>
4 #include <core/mm.h>
5 
6 #define NVKM_LTC_MAX_ZBC_CNT 16
7 
8 struct nvkm_ltc {
9 	const struct nvkm_ltc_func *func;
10 	struct nvkm_subdev subdev;
11 
12 	u32 ltc_nr;
13 	u32 lts_nr;
14 
15 	u32 num_tags;
16 	u32 tag_base;
17 	struct nvkm_mm tags;
18 	struct nvkm_mm_node *tag_ram;
19 
20 	int zbc_min;
21 	int zbc_max;
22 	u32 zbc_color[NVKM_LTC_MAX_ZBC_CNT][4];
23 	u32 zbc_depth[NVKM_LTC_MAX_ZBC_CNT];
24 };
25 
26 int nvkm_ltc_tags_alloc(struct nvkm_ltc *, u32 count, struct nvkm_mm_node **);
27 void nvkm_ltc_tags_free(struct nvkm_ltc *, struct nvkm_mm_node **);
28 void nvkm_ltc_tags_clear(struct nvkm_ltc *, u32 first, u32 count);
29 
30 int nvkm_ltc_zbc_color_get(struct nvkm_ltc *, int index, const u32[4]);
31 int nvkm_ltc_zbc_depth_get(struct nvkm_ltc *, int index, const u32);
32 
33 void nvkm_ltc_invalidate(struct nvkm_ltc *);
34 void nvkm_ltc_flush(struct nvkm_ltc *);
35 
36 int gf100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
37 int gk104_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
38 int gk20a_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
39 int gm107_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
40 int gm204_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
41 #endif
42