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 
29 static const struct nvkm_enum
30 gp100_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 
48 static void
gp100_ce_intr_launcherr(struct nvkm_engine * ce,const u32 base)49 gp100_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 
59 void
gp100_ce_intr(struct nvkm_engine * ce)60 gp100_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 
88 static const struct nvkm_engine_func
89 gp100_ce = {
90 	.intr = gp100_ce_intr,
91 	.sclass = {
92 		{ -1, -1, PASCAL_DMA_COPY_A },
93 		{}
94 	}
95 };
96 
97 int
gp100_ce_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_engine ** pengine)98 gp100_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 }
103