1 /* $NetBSD: nouveau_nvkm_engine_ce_gk104.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $ */
2
3 /*
4 * Copyright 2012 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_gk104.c,v 1.3 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 gk104_ce_launcherr_report[] = {
36 { 0x0, "NO_ERR" },
37 { 0x1, "2D_LAYER_EXCEEDS_DEPTH" },
38 { 0x2, "INVALID_ARGUMENT" },
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 {}
49 };
50
51 static void
gk104_ce_intr_launcherr(struct nvkm_engine * ce,const u32 base)52 gk104_ce_intr_launcherr(struct nvkm_engine *ce, const u32 base)
53 {
54 struct nvkm_subdev *subdev = &ce->subdev;
55 struct nvkm_device *device = subdev->device;
56 u32 stat = nvkm_rd32(device, 0x104f14 + base);
57 const struct nvkm_enum *en =
58 nvkm_enum_find(gk104_ce_launcherr_report, stat & 0x0000000f);
59 nvkm_warn(subdev, "LAUNCHERR %08x [%s]\n", stat, en ? en->name : "");
60 nvkm_wr32(device, 0x104f14 + base, 0x00000000);
61 }
62
63 void
gk104_ce_intr(struct nvkm_engine * ce)64 gk104_ce_intr(struct nvkm_engine *ce)
65 {
66 const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x1000;
67 struct nvkm_subdev *subdev = &ce->subdev;
68 struct nvkm_device *device = subdev->device;
69 u32 mask = nvkm_rd32(device, 0x104904 + base);
70 u32 intr = nvkm_rd32(device, 0x104908 + base) & mask;
71 if (intr & 0x00000001) {
72 nvkm_warn(subdev, "BLOCKPIPE\n");
73 nvkm_wr32(device, 0x104908 + base, 0x00000001);
74 intr &= ~0x00000001;
75 }
76 if (intr & 0x00000002) {
77 nvkm_warn(subdev, "NONBLOCKPIPE\n");
78 nvkm_wr32(device, 0x104908 + base, 0x00000002);
79 intr &= ~0x00000002;
80 }
81 if (intr & 0x00000004) {
82 gk104_ce_intr_launcherr(ce, base);
83 nvkm_wr32(device, 0x104908 + base, 0x00000004);
84 intr &= ~0x00000004;
85 }
86 if (intr) {
87 nvkm_warn(subdev, "intr %08x\n", intr);
88 nvkm_wr32(device, 0x104908 + base, intr);
89 }
90 }
91
92 static const struct nvkm_engine_func
93 gk104_ce = {
94 .intr = gk104_ce_intr,
95 .sclass = {
96 { -1, -1, KEPLER_DMA_COPY_A },
97 {}
98 }
99 };
100
101 int
gk104_ce_new(struct nvkm_device * device,int index,struct nvkm_engine ** pengine)102 gk104_ce_new(struct nvkm_device *device, int index,
103 struct nvkm_engine **pengine)
104 {
105 return nvkm_engine_new_(&gk104_ce, device, index, true, pengine);
106 }
107