1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_LTC_H__
3 #define __NVKM_LTC_H__
4 #include <core/subdev.h>
5 #include <core/mm.h>
6 
7 #define NVKM_LTC_MAX_ZBC_CNT 16
8 
9 struct nvkm_ltc {
10 	const struct nvkm_ltc_func *func;
11 	struct nvkm_subdev subdev;
12 
13 	u32 ltc_nr;
14 	u32 lts_nr;
15 
16 	u32 num_tags;
17 	u32 tag_base;
18 	struct nvkm_memory *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 	u32 zbc_stencil[NVKM_LTC_MAX_ZBC_CNT];
25 };
26 
27 void nvkm_ltc_tags_clear(struct nvkm_device *, u32 first, u32 count);
28 
29 int nvkm_ltc_zbc_color_get(struct nvkm_ltc *, int index, const u32[4]);
30 int nvkm_ltc_zbc_depth_get(struct nvkm_ltc *, int index, const u32);
31 int nvkm_ltc_zbc_stencil_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 gm200_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
41 int gp100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
42 int gp102_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
43 int gp10b_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
44 #endif
45