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
 29static const struct nvkm_enum
 30gp100_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
 48static void
 49gp100_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
 59void
 60gp100_ce_intr(struct nvkm_engine *ce)
 61{
 62	struct nvkm_subdev *subdev = &ce->subdev;
 63	struct nvkm_device *device = subdev->device;
 64	const u32 base = subdev->inst * 0x80;
 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
 88static const struct nvkm_engine_func
 89gp100_ce = {
 90	.intr = gp100_ce_intr,
 91	.sclass = {
 92		{ -1, -1, PASCAL_DMA_COPY_A },
 93		{}
 94	}
 95};
 96
 97int
 98gp100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 99	     struct nvkm_engine **pengine)
100{
101	return nvkm_engine_new_(&gp100_ce, device, type, inst, true, pengine);
102}