kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
2024-07-22 17:22:30 +08:00

62 lines
2.1 KiB
C

/*
* Copyright 2015 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 "gk104.h"
#include "changk104.h"
#include <nvif/class.h>
int
gm200_fifo_pbdma_nr(struct gk104_fifo *fifo)
{
struct nvkm_device *device = fifo->base.engine.subdev.device;
return nvkm_rd32(device, 0x002004) & 0x000000ff;
}
const struct gk104_fifo_pbdma_func
gm200_fifo_pbdma = {
.nr = gm200_fifo_pbdma_nr,
.init = gk104_fifo_pbdma_init,
.init_timeout = gk208_fifo_pbdma_init_timeout,
};
static const struct gk104_fifo_func
gm200_fifo = {
.intr.fault = gm107_fifo_intr_fault,
.pbdma = &gm200_fifo_pbdma,
.fault.access = gk104_fifo_fault_access,
.fault.engine = gm107_fifo_fault_engine,
.fault.reason = gk104_fifo_fault_reason,
.fault.hubclient = gk104_fifo_fault_hubclient,
.fault.gpcclient = gk104_fifo_fault_gpcclient,
.runlist = &gm107_fifo_runlist,
.chan = {{0,0,MAXWELL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
};
int
gm200_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_fifo **pfifo)
{
return gk104_fifo_new_(&gm200_fifo, device, type, inst, 4096, pfifo);
}