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

   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_memory *tag_ram;
  18
  19         int zbc_min;
  20         int zbc_max;
  21         u32 zbc_color[NVKM_LTC_MAX_ZBC_CNT][4];
  22         u32 zbc_depth[NVKM_LTC_MAX_ZBC_CNT];
  23 };
  24
  25 int nvkm_ltc_tags_alloc(struct nvkm_ltc *, u32 count, struct nvkm_mm_node **);
  26 void nvkm_ltc_tags_free(struct nvkm_ltc *, struct nvkm_mm_node **);
  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
  32 void nvkm_ltc_invalidate(struct nvkm_ltc *);
  33 void nvkm_ltc_flush(struct nvkm_ltc *);
  34
  35 int gf100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
  36 int gk104_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
  37 int gk20a_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
  38 int gm107_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
  39 int gm200_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
  40 int gp100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
  41 #endif