LXR linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c

   1/*
   2 * Copyright 2016 Red Hat Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Ben Skeggs
  23 */
  24#include "gk104.h"
  25#include "cgrp.h"
  26#include "changk104.h"
  27
  28#include <core/memory.h>
  29
  30#include <nvif/class.h>
  31
  32void
  33gk110_fifo_runlist_cgrp(struct nvkm_fifo_cgrp *cgrp,
  34                        struct nvkm_memory *memory, u32 offset)
  35{
  36        nvkm_wo32(memory, offset + 0, (cgrp->chan_nr << 26) | (128 << 18) |
  37                                      (3 << 14) | 0x00002000 | cgrp->id);
  38        nvkm_wo32(memory, offset + 4, 0x00000000);
  39}
  40
  41const struct gk104_fifo_runlist_func
  42gk110_fifo_runlist = {
  43        .size = 8,
  44        .cgrp = gk110_fifo_runlist_cgrp,
  45        .chan = gk104_fifo_runlist_chan,
  46        .commit = gk104_fifo_runlist_commit,
  47};
  48
  49static const struct gk104_fifo_func
  50gk110_fifo = {
  51        .intr.fault = gf100_fifo_intr_fault,
  52        .pbdma = &gk104_fifo_pbdma,
  53        .fault.access = gk104_fifo_fault_access,
  54        .fault.engine = gk104_fifo_fault_engine,
  55        .fault.reason = gk104_fifo_fault_reason,
  56        .fault.hubclient = gk104_fifo_fault_hubclient,
  57        .fault.gpcclient = gk104_fifo_fault_gpcclient,
  58        .runlist = &gk110_fifo_runlist,
  59        .chan = {{0,0,KEPLER_CHANNEL_GPFIFO_B}, gk104_fifo_gpfifo_new },
  60};
  61
  62int
  63gk110_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
  64{
  65        return gk104_fifo_new_(&gk110_fifo, device, index, 4096, pfifo);
  66}
  67