1/* $NetBSD: nouveau_nvkm_engine_ce_gp100.c,v 1.2 2021/12/18 23:45:34 riastradh Exp $ */ 2 3/* 4 * Copyright 2015 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_ce_gp100.c,v 1.2 2021/12/18 23:45:34 riastradh Exp $"); 28 29#include "priv.h" 30#include <core/enum.h> 31 32#include <nvif/class.h> 33 34static const struct nvkm_enum 35gp100_ce_launcherr_report[] = { 36 { 0x0, "NO_ERR" }, 37 { 0x1, "2D_LAYER_EXCEEDS_DEPTH" }, 38 { 0x2, "INVALID_ALIGNMENT" }, 39 { 0x3, "MEM2MEM_RECT_OUT_OF_BOUNDS" }, 40 { 0x4, "SRC_LINE_EXCEEDS_PITCH" }, 41 { 0x5, "SRC_LINE_EXCEEDS_NEG_PITCH" }, 42 { 0x6, "DST_LINE_EXCEEDS_PITCH" }, 43 { 0x7, "DST_LINE_EXCEEDS_NEG_PITCH" }, 44 { 0x8, "BAD_SRC_PIXEL_COMP_REF" }, 45 { 0x9, "INVALID_VALUE" }, 46 { 0xa, "UNUSED_FIELD" }, 47 { 0xb, "INVALID_OPERATION" }, 48 { 0xc, "NO_RESOURCES" }, 49 { 0xd, "INVALID_CONFIG" }, 50 {} 51}; 52 53static void 54gp100_ce_intr_launcherr(struct nvkm_engine *ce, const u32 base) 55{ 56 struct nvkm_subdev *subdev = &ce->subdev; 57 struct nvkm_device *device = subdev->device; 58 u32 stat = nvkm_rd32(device, 0x104418 + base); 59 const struct nvkm_enum *en = 60 nvkm_enum_find(gp100_ce_launcherr_report, stat & 0x0000000f); 61 nvkm_warn(subdev, "LAUNCHERR %08x [%s]\n", stat, en ? en->name : ""); 62} 63 64void 65gp100_ce_intr(struct nvkm_engine *ce) 66{ 67 const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x80; 68 struct nvkm_subdev *subdev = &ce->subdev; 69 struct nvkm_device *device = subdev->device; 70 u32 mask = nvkm_rd32(device, 0x10440c + base); 71 u32 intr = nvkm_rd32(device, 0x104410 + base) & mask; 72 if (intr & 0x00000001) { //XXX: guess 73 nvkm_warn(subdev, "BLOCKPIPE\n"); 74 nvkm_wr32(device, 0x104410 + base, 0x00000001); 75 intr &= ~0x00000001; 76 } 77 if (intr & 0x00000002) { //XXX: guess 78 nvkm_warn(subdev, "NONBLOCKPIPE\n"); 79 nvkm_wr32(device, 0x104410 + base, 0x00000002); 80 intr &= ~0x00000002; 81 } 82 if (intr & 0x00000004) { 83 gp100_ce_intr_launcherr(ce, base); 84 nvkm_wr32(device, 0x104410 + base, 0x00000004); 85 intr &= ~0x00000004; 86 } 87 if (intr) { 88 nvkm_warn(subdev, "intr %08x\n", intr); 89 nvkm_wr32(device, 0x104410 + base, intr); 90 } 91} 92 93static const struct nvkm_engine_func 94gp100_ce = { 95 .intr = gp100_ce_intr, 96 .sclass = { 97 { -1, -1, PASCAL_DMA_COPY_A }, 98 {} 99 } 100}; 101 102int 103gp100_ce_new(struct nvkm_device *device, int index, 104 struct nvkm_engine **pengine) 105{ 106 return nvkm_engine_new_(&gp100_ce, device, index, true, pengine); 107} 108