79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
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/*
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* Copyright 2010 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "mem.h"
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#include "vmm.h"
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#include <nvif/class.h>
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const u8 *
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nv50_mmu_kind(struct nvkm_mmu *base, int *count, u8 *invalid)
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{
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/* 0x01: no bank swizzle
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* 0x02: bank swizzled
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* 0x7f: invalid
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*
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* 0x01/0x02 are values understood by the VRAM allocator,
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* and are required to avoid mixing the two types within
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* a certain range.
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*/
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static const u8
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kind[128] = {
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0x01, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x00 */
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0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
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0x01, 0x01, 0x01, 0x01, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x10 */
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0x02, 0x02, 0x02, 0x02, 0x7f, 0x7f, 0x7f, 0x7f,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, /* 0x20 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x7f,
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0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x30 */
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0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, /* 0x40 */
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x7f, 0x7f,
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0x7f, 0x7f, 0x7f, 0x7f, 0x01, 0x01, 0x01, 0x7f, /* 0x50 */
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0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, /* 0x60 */
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0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
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0x01, 0x7f, 0x02, 0x7f, 0x01, 0x7f, 0x02, 0x7f, /* 0x70 */
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0x01, 0x01, 0x02, 0x02, 0x01, 0x01, 0x7f, 0x7f
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};
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*count = ARRAY_SIZE(kind);
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*invalid = 0x7f;
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return kind;
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}
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static const struct nvkm_mmu_func
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nv50_mmu = {
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.dma_bits = 40,
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.mmu = {{ -1, -1, NVIF_CLASS_MMU_NV50}},
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.mem = {{ -1, 0, NVIF_CLASS_MEM_NV50}, nv50_mem_new, nv50_mem_map },
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.vmm = {{ -1, -1, NVIF_CLASS_VMM_NV50}, nv50_vmm_new, false, 0x1400 },
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.kind = nv50_mmu_kind,
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};
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int
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nv50_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_mmu **pmmu)
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{
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return nvkm_mmu_new_(&nv50_mmu, device, type, inst, pmmu);
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}
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