linux/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c
Ben Skeggs ebb195dbb3 drm/nouveau/mc: move NV_PMC_ENABLE bashing to chipset-specific code
Ampere needs different handling here, most of what we touch has moved.

We probably want to refactor these interfaces in general, but I'm not
yet sure how they should look, this will get the job done for now.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
2022-11-09 10:44:36 +10:00

53 lines
1.8 KiB
C

/*
* 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 = &nv04_mc_intr,
.intrs = nv17_mc_intrs,
.device = &nv04_mc_device,
.reset = nv17_mc_reset,
};
int
nv44_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
{
return nvkm_mc_new_(&nv44_mc, device, type, inst, pmc);
}