75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* Copyright 2021 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 "priv.h"
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static void
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ga100_mc_intr_unarm(struct nvkm_mc *mc)
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{
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nvkm_wr32(mc->subdev.device, 0xb81610, 0x00000004);
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}
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static void
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ga100_mc_intr_rearm(struct nvkm_mc *mc)
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{
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nvkm_wr32(mc->subdev.device, 0xb81608, 0x00000004);
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}
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static void
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ga100_mc_intr_mask(struct nvkm_mc *mc, u32 mask, u32 intr)
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{
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nvkm_wr32(mc->subdev.device, 0xb81210, mask & intr );
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nvkm_wr32(mc->subdev.device, 0xb81410, mask & ~(mask & intr));
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}
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static u32
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ga100_mc_intr_stat(struct nvkm_mc *mc)
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{
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u32 intr_top = nvkm_rd32(mc->subdev.device, 0xb81600), intr = 0x00000000;
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if (intr_top & 0x00000004)
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intr = nvkm_mask(mc->subdev.device, 0xb81010, 0x00000000, 0x00000000);
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return intr;
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}
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static void
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ga100_mc_init(struct nvkm_mc *mc)
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{
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nv50_mc_init(mc);
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nvkm_wr32(mc->subdev.device, 0xb81210, 0xffffffff);
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}
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static const struct nvkm_mc_func
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ga100_mc = {
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.init = ga100_mc_init,
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.intr = gp100_mc_intr,
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.intr_unarm = ga100_mc_intr_unarm,
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.intr_rearm = ga100_mc_intr_rearm,
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.intr_mask = ga100_mc_intr_mask,
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.intr_stat = ga100_mc_intr_stat,
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.reset = gk104_mc_reset,
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};
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int
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ga100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
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{
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return nvkm_mc_new_(&ga100_mc, device, type, inst, pmc);
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}
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