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/*
* Copyright 2021 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.
*/
#include "priv.h"
static void
ga100_mc_device_disable(struct nvkm_mc *mc, u32 mask)
{
struct nvkm_device *device = mc->subdev.device;
nvkm_mask(device, 0x000600, mask, 0x00000000);
nvkm_rd32(device, 0x000600);
nvkm_rd32(device, 0x000600);
}
static void
ga100_mc_device_enable(struct nvkm_mc *mc, u32 mask)
{
struct nvkm_device *device = mc->subdev.device;
nvkm_mask(device, 0x000600, mask, mask);
nvkm_rd32(device, 0x000600);
nvkm_rd32(device, 0x000600);
}
static bool
ga100_mc_device_enabled(struct nvkm_mc *mc, u32 mask)
{
return (nvkm_rd32(mc->subdev.device, 0x000600) & mask) == mask;
}
const struct nvkm_mc_device_func
ga100_mc_device = {
.enabled = ga100_mc_device_enabled,
.enable = ga100_mc_device_enable,
.disable = ga100_mc_device_disable,
};
static void
ga100_mc_init(struct nvkm_mc *mc)
{
struct nvkm_device *device = mc->subdev.device;
nvkm_wr32(device, 0x000200, 0xffffffff);
nvkm_wr32(device, 0x000600, 0xffffffff);
}
static const struct nvkm_mc_func
ga100_mc = {
.init = ga100_mc_init,
.device = &ga100_mc_device,
};
int
ga100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&ga100_mc, device, type, inst, pmc);
}
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