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/*
* Copyright 2010 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include "vmm.h"
#include <nvif/class.h>
const u8 *
nv50_mmu_kind(struct nvkm_mmu *base, int *count)
{
/* 0x01: no bank swizzle
* 0x02: bank swizzled
* 0x7f: invalid
*
* 0x01/0x02 are values understood by the VRAM allocator,
* and are required to avoid mixing the two types within
* a certain range.
*/
static const u8
kind[128] = {
0x01, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x00 */
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
0x01, 0x01, 0x01, 0x01, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x10 */
0x02, 0x02, 0x02, 0x02, 0x7f, 0x7f, 0x7f, 0x7f,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, /* 0x20 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x7f,
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, /* 0x30 */
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, /* 0x40 */
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x7f, 0x7f,
0x7f, 0x7f, 0x7f, 0x7f, 0x01, 0x01, 0x01, 0x7f, /* 0x50 */
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, /* 0x60 */
0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
0x01, 0x7f, 0x02, 0x7f, 0x01, 0x7f, 0x02, 0x7f, /* 0x70 */
0x01, 0x01, 0x02, 0x02, 0x01, 0x01, 0x7f, 0x7f
};
*count = ARRAY_SIZE(kind);
return kind;
}
static const struct nvkm_mmu_func
nv50_mmu = {
.limit = (1ULL << 40),
.dma_bits = 40,
.lpg_shift = 16,
.vmm = {{ -1, -1, NVIF_CLASS_VMM_NV50}, nv50_vmm_new, false, 0x1400 },
.kind = nv50_mmu_kind,
};
int
nv50_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
{
return nvkm_mmu_new_(&nv50_mmu, device, index, pmmu);
}
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