drivers/gpu/drm/nouveau/nvkm/engine/ce/gp100.c

   1 /*
   2  * Copyright 2015 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 "priv.h"
  25 #include <core/enum.h>
  26
  27 #include <nvif/class.h>
  28
  29 static const struct nvkm_enum
  30 gp100_ce_launcherr_report[] = {
  31         { 0x0, "NO_ERR" },
  32         { 0x1, "2D_LAYER_EXCEEDS_DEPTH" },
  33         { 0x2, "INVALID_ALIGNMENT" },
  34         { 0x3, "MEM2MEM_RECT_OUT_OF_BOUNDS" },
  35         { 0x4, "SRC_LINE_EXCEEDS_PITCH" },
  36         { 0x5, "SRC_LINE_EXCEEDS_NEG_PITCH" },
  37         { 0x6, "DST_LINE_EXCEEDS_PITCH" },
  38         { 0x7, "DST_LINE_EXCEEDS_NEG_PITCH" },
  39         { 0x8, "BAD_SRC_PIXEL_COMP_REF" },
  40         { 0x9, "INVALID_VALUE" },
  41         { 0xa, "UNUSED_FIELD" },
  42         { 0xb, "INVALID_OPERATION" },
  43         { 0xc, "NO_RESOURCES" },
  44         { 0xd, "INVALID_CONFIG" },
  45         {}
  46 };
  47
  48 static void
  49 gp100_ce_intr_launcherr(struct nvkm_engine *ce, const u32 base)
  50 {
  51         struct nvkm_subdev *subdev = &ce->subdev;
  52         struct nvkm_device *device = subdev->device;
  53         u32 stat = nvkm_rd32(device, 0x104418 + base);
  54         const struct nvkm_enum *en =
  55                 nvkm_enum_find(gp100_ce_launcherr_report, stat & 0x0000000f);
  56         nvkm_warn(subdev, "LAUNCHERR %08x [%s]\n", stat, en ? en->name : "");
  57 }
  58
  59 void
  60 gp100_ce_intr(struct nvkm_engine *ce)
  61 {
  62         const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x80;
  63         struct nvkm_subdev *subdev = &ce->subdev;
  64         struct nvkm_device *device = subdev->device;
  65         u32 mask = nvkm_rd32(device, 0x10440c + base);
  66         u32 intr = nvkm_rd32(device, 0x104410 + base) & mask;
  67         if (intr & 0x00000001) { //XXX: guess
  68                 nvkm_warn(subdev, "BLOCKPIPE\n");
  69                 nvkm_wr32(device, 0x104410 + base, 0x00000001);
  70                 intr &= ~0x00000001;
  71         }
  72         if (intr & 0x00000002) { //XXX: guess
  73                 nvkm_warn(subdev, "NONBLOCKPIPE\n");
  74                 nvkm_wr32(device, 0x104410 + base, 0x00000002);
  75                 intr &= ~0x00000002;
  76         }
  77         if (intr & 0x00000004) {
  78                 gp100_ce_intr_launcherr(ce, base);
  79                 nvkm_wr32(device, 0x104410 + base, 0x00000004);
  80                 intr &= ~0x00000004;
  81         }
  82         if (intr) {
  83                 nvkm_warn(subdev, "intr %08x\n", intr);
  84                 nvkm_wr32(device, 0x104410 + base, intr);
  85         }
  86 }
  87
  88 static const struct nvkm_engine_func
  89 gp100_ce = {
  90         .intr = gp100_ce_intr,
  91         .sclass = {
  92                 { -1, -1, PASCAL_DMA_COPY_A },
  93                 {}
  94         }
  95 };
  96
  97 int
  98 gp100_ce_new(struct nvkm_device *device, int index,
  99              struct nvkm_engine **pengine)
 100 {
 101         return nvkm_engine_new_(&gp100_ce, device, index, true, pengine);
 102 }