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
34 static const struct nvkm_enum
35 gp100_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
53 static void
gp100_ce_intr_launcherr(struct nvkm_engine * ce,const u32 base)54 gp100_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
64 void
gp100_ce_intr(struct nvkm_engine * ce)65 gp100_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
93 static const struct nvkm_engine_func
94 gp100_ce = {
95 .intr = gp100_ce_intr,
96 .sclass = {
97 { -1, -1, PASCAL_DMA_COPY_A },
98 {}
99 }
100 };
101
102 int
gp100_ce_new(struct nvkm_device * device,int index,struct nvkm_engine ** pengine)103 gp100_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