1 /*
2 * Copyright 2021 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 #include "priv.h"
23
24 static int
ga100_top_parse(struct nvkm_top * top)25 ga100_top_parse(struct nvkm_top *top)
26 {
27 struct nvkm_subdev *subdev = &top->subdev;
28 struct nvkm_device *device = subdev->device;
29 struct nvkm_top_device *info = NULL;
30 u32 data, type, inst;
31 int i, n, size = nvkm_rd32(device, 0x0224fc) >> 20;
32
33 for (i = 0, n = 0; i < size; i++) {
34 if (!info) {
35 if (!(info = nvkm_top_device_new(top)))
36 return -ENOMEM;
37 type = ~0;
38 inst = 0;
39 }
40
41 data = nvkm_rd32(device, 0x022800 + (i * 0x04));
42 nvkm_trace(subdev, "%02x: %08x\n", i, data);
43 if (!data && n == 0)
44 continue;
45
46 switch (n++) {
47 case 0:
48 type = (data & 0x3f000000) >> 24;
49 inst = (data & 0x000f0000) >> 16;
50 info->fault = (data & 0x0000007f);
51 break;
52 case 1:
53 info->addr = (data & 0x00fff000);
54 info->reset = (data & 0x0000001f);
55 break;
56 case 2:
57 info->runlist = (data & 0x00fffc00);
58 info->engine = (data & 0x00000003);
59 break;
60 default:
61 break;
62 }
63
64 if (data & 0x80000000)
65 continue;
66 n = 0;
67
68 /* Translate engine type to NVKM engine identifier. */
69 #define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
70 #define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
71 switch (type) {
72 case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;
73 case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;
74 case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
75 case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
76 case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
77 case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;
78 case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;
79 case 0x00000015: O_(NVKM_ENGINE_NVJPG , 0); break;
80 case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break;
81 case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break;
82 break;
83 default:
84 break;
85 }
86
87 nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
88 "runlist %6x engine %2d reset %2d\n", type, inst,
89 info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
90 info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist,
91 info->engine, info->reset);
92 info = NULL;
93 }
94
95 return 0;
96 }
97
98 static const struct nvkm_top_func
99 ga100_top = {
100 .parse = ga100_top_parse,
101 };
102
103 int
ga100_top_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_top ** ptop)104 ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
105 struct nvkm_top **ptop)
106 {
107 return nvkm_top_new_(&ga100_top, device, type, inst, ptop);
108 }
109