linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
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   1/*
   2 * Copyright 2018 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#include "gk104.h"
  23#include "cgrp.h"
  24#include "changk104.h"
  25#include "user.h"
  26
  27#include <core/gpuobj.h>
  28
  29#include <nvif/class.h>
  30
  31static void
  32tu102_fifo_runlist_commit(struct gk104_fifo *fifo, int runl,
  33                          struct nvkm_memory *mem, int nr)
  34{
  35        struct nvkm_device *device = fifo->base.engine.subdev.device;
  36        u64 addr = nvkm_memory_addr(mem);
  37        /*XXX: target? */
  38
  39        nvkm_wr32(device, 0x002b00 + (runl * 0x10), lower_32_bits(addr));
  40        nvkm_wr32(device, 0x002b04 + (runl * 0x10), upper_32_bits(addr));
  41        nvkm_wr32(device, 0x002b08 + (runl * 0x10), nr);
  42
  43        /*XXX: how to wait? can you even wait? */
  44}
  45
  46const struct gk104_fifo_runlist_func
  47tu102_fifo_runlist = {
  48        .size = 16,
  49        .cgrp = gv100_fifo_runlist_cgrp,
  50        .chan = gv100_fifo_runlist_chan,
  51        .commit = tu102_fifo_runlist_commit,
  52};
  53
  54static const struct nvkm_enum
  55tu102_fifo_fault_engine[] = {
  56        { 0x01, "DISPLAY" },
  57        { 0x03, "PTP" },
  58        { 0x06, "PWR_PMU" },
  59        { 0x08, "IFB", NULL, NVKM_ENGINE_IFB },
  60        { 0x09, "PERF" },
  61        { 0x1f, "PHYSICAL" },
  62        { 0x20, "HOST0" },
  63        { 0x21, "HOST1" },
  64        { 0x22, "HOST2" },
  65        { 0x23, "HOST3" },
  66        { 0x24, "HOST4" },
  67        { 0x25, "HOST5" },
  68        { 0x26, "HOST6" },
  69        { 0x27, "HOST7" },
  70        { 0x28, "HOST8" },
  71        { 0x29, "HOST9" },
  72        { 0x2a, "HOST10" },
  73        { 0x2b, "HOST11" },
  74        { 0x2c, "HOST12" },
  75        { 0x2d, "HOST13" },
  76        { 0x2e, "HOST14" },
  77        { 0x80, "BAR1", NULL, NVKM_SUBDEV_BAR },
  78        { 0xc0, "BAR2", NULL, NVKM_SUBDEV_INSTMEM },
  79        {}
  80};
  81
  82static void
  83tu102_fifo_pbdma_init(struct gk104_fifo *fifo)
  84{
  85        struct nvkm_device *device = fifo->base.engine.subdev.device;
  86        const u32 mask = (1 << fifo->pbdma_nr) - 1;
  87        /*XXX: this is a bit of a guess at this point in time. */
  88        nvkm_mask(device, 0xb65000, 0x80000fff, 0x80000000 | mask);
  89}
  90
  91static const struct gk104_fifo_pbdma_func
  92tu102_fifo_pbdma = {
  93        .nr = gm200_fifo_pbdma_nr,
  94        .init = tu102_fifo_pbdma_init,
  95        .init_timeout = gk208_fifo_pbdma_init_timeout,
  96};
  97
  98static const struct gk104_fifo_func
  99tu102_fifo = {
 100        .pbdma = &tu102_fifo_pbdma,
 101        .fault.access = gv100_fifo_fault_access,
 102        .fault.engine = tu102_fifo_fault_engine,
 103        .fault.reason = gv100_fifo_fault_reason,
 104        .fault.hubclient = gv100_fifo_fault_hubclient,
 105        .fault.gpcclient = gv100_fifo_fault_gpcclient,
 106        .runlist = &tu102_fifo_runlist,
 107        .user = {{-1,-1,VOLTA_USERMODE_A       }, tu102_fifo_user_new   },
 108        .chan = {{ 0, 0,TURING_CHANNEL_GPFIFO_A}, tu102_fifo_gpfifo_new },
 109        .cgrp_force = true,
 110};
 111
 112int
 113tu102_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
 114{
 115        return gk104_fifo_new_(&tu102_fifo, device, index, 4096, pfifo);
 116}
 117