1 /* SPDX-License-Identifier: GPL-2.0 */ 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_mm tags; 19 struct nvkm_mm_node *tag_ram; 20 21 int zbc_min; 22 int zbc_max; 23 u32 zbc_color[NVKM_LTC_MAX_ZBC_CNT][4]; 24 u32 zbc_depth[NVKM_LTC_MAX_ZBC_CNT]; 25 }; 26 27 int nvkm_ltc_tags_alloc(struct nvkm_ltc *, u32 count, struct nvkm_mm_node **); 28 void nvkm_ltc_tags_free(struct nvkm_ltc *, struct nvkm_mm_node **); 29 void nvkm_ltc_tags_clear(struct nvkm_ltc *, u32 first, u32 count); 30 31 int nvkm_ltc_zbc_color_get(struct nvkm_ltc *, int index, const u32[4]); 32 int nvkm_ltc_zbc_depth_get(struct nvkm_ltc *, int index, const u32); 33 34 void nvkm_ltc_invalidate(struct nvkm_ltc *); 35 void nvkm_ltc_flush(struct nvkm_ltc *); 36 37 int gf100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); 38 int gk104_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); 39 int gk20a_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); 40 int gm107_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); 41 int gm200_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); 42 int gp100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **); 43 #endif 44