1 /*
2 * Copyright 2016 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 <bskeggs@redhat.com>
23 */
24 #include "priv.h"
25
26 static int
gk104_top_oneinit(struct nvkm_top * top)27 gk104_top_oneinit(struct nvkm_top *top)
28 {
29 struct nvkm_subdev *subdev = &top->subdev;
30 struct nvkm_device *device = subdev->device;
31 struct nvkm_top_device *info = NULL;
32 u32 data, type, inst;
33 int i;
34
35 for (i = 0; i < 64; i++) {
36 if (!info) {
37 if (!(info = nvkm_top_device_new(top)))
38 return -ENOMEM;
39 type = ~0;
40 inst = 0;
41 }
42
43 data = nvkm_rd32(device, 0x022700 + (i * 0x04));
44 nvkm_trace(subdev, "%02x: %08x\n", i, data);
45 switch (data & 0x00000003) {
46 case 0x00000000: /* NOT_VALID */
47 continue;
48 case 0x00000001: /* DATA */
49 inst = (data & 0x3c000000) >> 26;
50 info->addr = (data & 0x00fff000);
51 if (data & 0x00000004)
52 info->fault = (data & 0x000003f8) >> 3;
53 break;
54 case 0x00000002: /* ENUM */
55 if (data & 0x00000020)
56 info->engine = (data & 0x3c000000) >> 26;
57 if (data & 0x00000010)
58 info->runlist = (data & 0x01e00000) >> 21;
59 if (data & 0x00000008)
60 info->intr = (data & 0x000f8000) >> 15;
61 if (data & 0x00000004)
62 info->reset = (data & 0x00003e00) >> 9;
63 break;
64 case 0x00000003: /* ENGINE_TYPE */
65 type = (data & 0x7ffffffc) >> 2;
66 break;
67 }
68
69 if (data & 0x80000000)
70 continue;
71
72 /* Translate engine type to NVKM engine identifier. */
73 #define A_(A) if (inst == 0) info->index = NVKM_ENGINE_##A
74 #define B_(A) if (inst + NVKM_ENGINE_##A##0 < NVKM_ENGINE_##A##_LAST + 1) \
75 info->index = NVKM_ENGINE_##A##0 + inst
76 #define C_(A) if (inst == 0) info->index = NVKM_SUBDEV_##A
77 switch (type) {
78 case 0x00000000: A_(GR ); break;
79 case 0x00000001: A_(CE0 ); break;
80 case 0x00000002: A_(CE1 ); break;
81 case 0x00000003: A_(CE2 ); break;
82 case 0x00000008: A_(MSPDEC); break;
83 case 0x00000009: A_(MSPPP ); break;
84 case 0x0000000a: A_(MSVLD ); break;
85 case 0x0000000b: A_(MSENC ); break;
86 case 0x0000000c: A_(VIC ); break;
87 case 0x0000000d: A_(SEC2 ); break;
88 case 0x0000000e: B_(NVENC ); break;
89 case 0x0000000f: A_(NVENC1); break;
90 case 0x00000010: B_(NVDEC ); break;
91 case 0x00000013: B_(CE ); break;
92 case 0x00000014: C_(GSP ); break;
93 break;
94 default:
95 break;
96 }
97
98 nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
99 "engine %2d runlist %2d intr %2d "
100 "reset %2d\n", type, inst,
101 info->index == NVKM_SUBDEV_NR ? NULL :
102 nvkm_subdev_name[info->index],
103 info->addr, info->fault, info->engine, info->runlist,
104 info->intr, info->reset);
105 info = NULL;
106 }
107
108 return 0;
109 }
110
111 static const struct nvkm_top_func
112 gk104_top = {
113 .oneinit = gk104_top_oneinit,
114 };
115
116 int
gk104_top_new(struct nvkm_device * device,int index,struct nvkm_top ** ptop)117 gk104_top_new(struct nvkm_device *device, int index, struct nvkm_top **ptop)
118 {
119 return nvkm_top_new_(&gk104_top, device, index, ptop);
120 }
121
