70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
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/*
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* Copyright 2017 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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#include "mem.h"
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#include <core/memory.h>
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#include <subdev/fb.h>
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#include <nvif/if000b.h>
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#include <nvif/unpack.h>
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int
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nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
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u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
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{
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union {
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struct nv04_mem_map_vn vn;
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} *args = argv;
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struct nvkm_device *device = mmu->subdev.device;
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const u64 addr = nvkm_memory_addr(memory);
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int ret = -ENOSYS;
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if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
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return ret;
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*paddr = device->func->resource_addr(device, 1) + addr;
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*psize = nvkm_memory_size(memory);
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*pvma = ERR_PTR(-ENODEV);
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return 0;
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}
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int
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nv04_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
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void *argv, u32 argc, struct nvkm_memory **pmemory)
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{
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union {
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struct nv04_mem_vn vn;
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} *args = argv;
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int ret = -ENOSYS;
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if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
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return ret;
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if (mmu->type[type].type & NVKM_MEM_MAPPABLE)
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type = NVKM_RAM_MM_NORMAL;
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else
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type = NVKM_RAM_MM_NOMAP;
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return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,
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size, true, false, pmemory);
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}
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