ubuntu-linux-kernel/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c

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2024-04-01 15:06:58 +00:00
/*
* Copyright 2012 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 "priv.h"
void
nv44_mc_init(struct nvkm_mc *mc)
{
struct nvkm_device *device = mc->subdev.device;
u32 tmp = nvkm_rd32(device, 0x10020c);
nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
nvkm_wr32(device, 0x001700, tmp);
nvkm_wr32(device, 0x001704, 0);
nvkm_wr32(device, 0x001708, 0);
nvkm_wr32(device, 0x00170c, tmp);
}
static const struct nvkm_mc_func
nv44_mc = {
.init = nv44_mc_init,
.intr = nv17_mc_intr,
.intr_unarm = nv04_mc_intr_unarm,
.intr_rearm = nv04_mc_intr_rearm,
.intr_stat = nv04_mc_intr_stat,
.reset = nv17_mc_reset,
};
int
nv44_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&nv44_mc, device, index, pmc);
}