drivers/gpu/drm/nouveau/nvkm/engine/ce/gk104.c

   1 /*
   2  * Copyright 2012 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 gk104_ce_launcherr_report[] = {
  31         { 0x0, "NO_ERR" },
  32         { 0x1, "2D_LAYER_EXCEEDS_DEPTH" },
  33         { 0x2, "INVALID_ARGUMENT" },
  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         {}
  44 };
  45
  46 static void
  47 gk104_ce_intr_launcherr(struct nvkm_engine *ce, const u32 base)
  48 {
  49         struct nvkm_subdev *subdev = &ce->subdev;
  50         struct nvkm_device *device = subdev->device;
  51         u32 stat = nvkm_rd32(device, 0x104f14 + base);
  52         const struct nvkm_enum *en =
  53                 nvkm_enum_find(gk104_ce_launcherr_report, stat & 0x0000000f);
  54         nvkm_warn(subdev, "LAUNCHERR %08x [%s]\n", stat, en ? en->name : "");
  55         nvkm_wr32(device, 0x104f14 + base, 0x00000000);
  56 }
  57
  58 void
  59 gk104_ce_intr(struct nvkm_engine *ce)
  60 {
  61         const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x1000;
  62         struct nvkm_subdev *subdev = &ce->subdev;
  63         struct nvkm_device *device = subdev->device;
  64         u32 mask = nvkm_rd32(device, 0x104904 + base);
  65         u32 intr = nvkm_rd32(device, 0x104908 + base) & mask;
  66         if (intr & 0x00000001) {
  67                 nvkm_warn(subdev, "BLOCKPIPE\n");
  68                 nvkm_wr32(device, 0x104908 + base, 0x00000001);
  69                 intr &= ~0x00000001;
  70         }
  71         if (intr & 0x00000002) {
  72                 nvkm_warn(subdev, "NONBLOCKPIPE\n");
  73                 nvkm_wr32(device, 0x104908 + base, 0x00000002);
  74                 intr &= ~0x00000002;
  75         }
  76         if (intr & 0x00000004) {
  77                 gk104_ce_intr_launcherr(ce, base);
  78                 nvkm_wr32(device, 0x104908 + base, 0x00000004);
  79                 intr &= ~0x00000004;
  80         }
  81         if (intr) {
  82                 nvkm_warn(subdev, "intr %08x\n", intr);
  83                 nvkm_wr32(device, 0x104908 + base, intr);
  84         }
  85 }
  86
  87 static const struct nvkm_engine_func
  88 gk104_ce = {
  89         .intr = gk104_ce_intr,
  90         .sclass = {
  91                 { -1, -1, KEPLER_DMA_COPY_A },
  92                 {}
  93         }
  94 };
  95
  96 int
  97 gk104_ce_new(struct nvkm_device *device, int index,
  98              struct nvkm_engine **pengine)
  99 {
 100         return nvkm_engine_new_(&gk104_ce, device, index, true, pengine);
 101 }