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
 29static const struct nvkm_enum
 30gk104_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
 46static void
 47gk104_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
 58void
 59gk104_ce_intr(struct nvkm_engine *ce)
 60{
 61	struct nvkm_subdev *subdev = &ce->subdev;
 62	struct nvkm_device *device = subdev->device;
 63	const u32 base = subdev->inst * 0x1000;
 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
 87static const struct nvkm_engine_func
 88gk104_ce = {
 89	.intr = gk104_ce_intr,
 90	.sclass = {
 91		{ -1, -1, KEPLER_DMA_COPY_A },
 92		{}
 93	}
 94};
 95
 96int
 97gk104_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 98	     struct nvkm_engine **pengine)
 99{
100	return nvkm_engine_new_(&gk104_ce, device, type, inst, true, pengine);
101}