forked from Minki/linux
a0a49bac2f
Allow clients to manually flush and invalidate L2. This will be useful for Tegra systems for which we want to write instmem using the CPU. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#ifndef __NVKM_LTC_H__
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#define __NVKM_LTC_H__
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#include <core/subdev.h>
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#include <core/mm.h>
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#define NVKM_LTC_MAX_ZBC_CNT 16
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struct nvkm_ltc {
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const struct nvkm_ltc_func *func;
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struct nvkm_subdev subdev;
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u32 ltc_nr;
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u32 lts_nr;
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u32 num_tags;
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u32 tag_base;
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struct nvkm_mm tags;
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struct nvkm_mm_node *tag_ram;
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int zbc_min;
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int zbc_max;
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u32 zbc_color[NVKM_LTC_MAX_ZBC_CNT][4];
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u32 zbc_depth[NVKM_LTC_MAX_ZBC_CNT];
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};
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int nvkm_ltc_tags_alloc(struct nvkm_ltc *, u32 count, struct nvkm_mm_node **);
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void nvkm_ltc_tags_free(struct nvkm_ltc *, struct nvkm_mm_node **);
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void nvkm_ltc_tags_clear(struct nvkm_ltc *, u32 first, u32 count);
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int nvkm_ltc_zbc_color_get(struct nvkm_ltc *, int index, const u32[4]);
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int nvkm_ltc_zbc_depth_get(struct nvkm_ltc *, int index, const u32);
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void nvkm_ltc_invalidate(struct nvkm_ltc *);
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void nvkm_ltc_flush(struct nvkm_ltc *);
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int gf100_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
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int gk104_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
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int gk20a_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
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int gm107_ltc_new(struct nvkm_device *, int, struct nvkm_ltc **);
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#endif
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