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 
29 static const struct nvkm_enum
30 gk104_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 
46 static void
47 gk104_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 
58 void
59 gk104_ce_intr(struct nvkm_engine *ce)
60 {
61 	const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x1000;
62 	struct nvkm_subdev *subdev = &ce->subdev;
63 	struct nvkm_device *device = subdev->device;
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 
87 static const struct nvkm_engine_func
88 gk104_ce = {
89 	.intr = gk104_ce_intr,
90 	.sclass = {
91 		{ -1, -1, KEPLER_DMA_COPY_A },
92 		{}
93 	}
94 };
95 
96 int
97 gk104_ce_new(struct nvkm_device *device, int index,
98 	     struct nvkm_engine **pengine)
99 {
100 	if (index == NVKM_ENGINE_CE0) {
101 		return nvkm_engine_new_(&gk104_ce, device, index,
102 					0x00000040, true, pengine);
103 	} else
104 	if (index == NVKM_ENGINE_CE1) {
105 		return nvkm_engine_new_(&gk104_ce, device, index,
106 					0x00000080, true, pengine);
107 	} else
108 	if (index == NVKM_ENGINE_CE2) {
109 		return nvkm_engine_new_(&gk104_ce, device, index,
110 					0x00200000, true, pengine);
111 	}
112 	return -ENODEV;
113 }
114