ltc.h

 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_COLOR_CNT 32
 8#define NVKM_LTC_MAX_ZBC_DEPTH_CNT 16
 9
10struct nvkm_ltc {
11	const struct nvkm_ltc_func *func;
12	struct nvkm_subdev subdev;
13
14	u32 ltc_nr;
15	u32 lts_nr;
16
17	struct mutex mutex; /* serialises CBC operations */
18	u32 num_tags;
19	u32 tag_base;
20	struct nvkm_memory *tag_ram;
21
22	int zbc_color_min;
23	int zbc_color_max;
24	u32 zbc_color[NVKM_LTC_MAX_ZBC_COLOR_CNT][4];
25	int zbc_depth_min;
26	int zbc_depth_max;
27	u32 zbc_depth[NVKM_LTC_MAX_ZBC_DEPTH_CNT];
28	u32 zbc_stencil[NVKM_LTC_MAX_ZBC_DEPTH_CNT];
29};
30
31void nvkm_ltc_tags_clear(struct nvkm_device *, u32 first, u32 count);
32
33int nvkm_ltc_zbc_color_get(struct nvkm_ltc *, int index, const u32[4]);
34int nvkm_ltc_zbc_depth_get(struct nvkm_ltc *, int index, const u32);
35int nvkm_ltc_zbc_stencil_get(struct nvkm_ltc *, int index, const u32);
36
37void nvkm_ltc_invalidate(struct nvkm_ltc *);
38void nvkm_ltc_flush(struct nvkm_ltc *);
39
40int gf100_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
41int gk104_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
42int gm107_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
43int gm200_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
44int gp100_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
45int gp102_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
46int gp10b_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
47int ga102_ltc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_ltc **);
48#endif