77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
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/*
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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_device_disable(struct nvkm_mc *mc, u32 mask)
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{
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struct nvkm_device *device = mc->subdev.device;
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nvkm_mask(device, 0x000600, mask, 0x00000000);
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nvkm_rd32(device, 0x000600);
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nvkm_rd32(device, 0x000600);
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}
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static void
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ga100_mc_device_enable(struct nvkm_mc *mc, u32 mask)
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{
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struct nvkm_device *device = mc->subdev.device;
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nvkm_mask(device, 0x000600, mask, mask);
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nvkm_rd32(device, 0x000600);
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nvkm_rd32(device, 0x000600);
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}
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static bool
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ga100_mc_device_enabled(struct nvkm_mc *mc, u32 mask)
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{
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return (nvkm_rd32(mc->subdev.device, 0x000600) & mask) == mask;
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}
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const struct nvkm_mc_device_func
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ga100_mc_device = {
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.enabled = ga100_mc_device_enabled,
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.enable = ga100_mc_device_enable,
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.disable = ga100_mc_device_disable,
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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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struct nvkm_device *device = mc->subdev.device;
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nvkm_wr32(device, 0x000200, 0xffffffff);
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nvkm_wr32(device, 0x000600, 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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.device = &ga100_mc_device,
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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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