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 #include <subdev/gsp.h>
27
28 static int
gk104_top_parse(struct nvkm_top * top)29 gk104_top_parse(struct nvkm_top *top)
30 {
31 struct nvkm_subdev *subdev = &top->subdev;
32 struct nvkm_device *device = subdev->device;
33 struct nvkm_top_device *info = NULL;
34 u32 data, type, inst;
35 int i;
36
37 for (i = 0; i < 64; i++) {
38 if (!info) {
39 if (!(info = nvkm_top_device_new(top)))
40 return -ENOMEM;
41 type = ~0;
42 inst = 0;
43 }
44
45 data = nvkm_rd32(device, 0x022700 + (i * 0x04));
46 nvkm_trace(subdev, "%02x: %08x\n", i, data);
47 switch (data & 0x00000003) {
48 case 0x00000000: /* NOT_VALID */
49 continue;
50 case 0x00000001: /* DATA */
51 inst = (data & 0x3c000000) >> 26;
52 info->addr = (data & 0x00fff000);
53 if (data & 0x00000004)
54 info->fault = (data & 0x000003f8) >> 3;
55 break;
56 case 0x00000002: /* ENUM */
57 if (data & 0x00000020)
58 info->engine = (data & 0x3c000000) >> 26;
59 if (data & 0x00000010)
60 info->runlist = (data & 0x01e00000) >> 21;
61 if (data & 0x00000008)
62 info->intr = (data & 0x000f8000) >> 15;
63 if (data & 0x00000004)
64 info->reset = (data & 0x00003e00) >> 9;
65 break;
66 case 0x00000003: /* ENGINE_TYPE */
67 type = (data & 0x7ffffffc) >> 2;
68 break;
69 }
70
71 if (data & 0x80000000)
72 continue;
73
74 /* Translate engine type to NVKM engine identifier. */
75 #define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
76 #define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
77 switch (type) {
78 case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;
79 case 0x00000001: O_(NVKM_ENGINE_CE , 0); break;
80 case 0x00000002: O_(NVKM_ENGINE_CE , 1); break;
81 case 0x00000003: O_(NVKM_ENGINE_CE , 2); break;
82 case 0x00000008: O_(NVKM_ENGINE_MSPDEC, 0); break;
83 case 0x00000009: O_(NVKM_ENGINE_MSPPP , 0); break;
84 case 0x0000000a: O_(NVKM_ENGINE_MSVLD , 0); break;
85 case 0x0000000b: O_(NVKM_ENGINE_MSENC , 0); break;
86 case 0x0000000c: O_(NVKM_ENGINE_VIC , 0); break;
87 case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;
88 case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
89 case 0x0000000f: O_(NVKM_ENGINE_NVENC , 1); break;
90 case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
91 case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
92 case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;
93 case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;
94 case 0x00000015: I_(NVKM_ENGINE_NVJPG , inst); break;
95 default:
96 break;
97 }
98
99 nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
100 "engine %2d runlist %2d intr %2d "
101 "reset %2d\n", type, inst,
102 info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
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 .parse = gk104_top_parse,
114 };
115
116 int
gk104_top_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_top ** ptop)117 gk104_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
118 struct nvkm_top **ptop)
119 {
120 if (nvkm_gsp_rm(device->gsp))
121 return -ENODEV;
122
123 return nvkm_top_new_(&gk104_top, device, type, inst, ptop);
124 }
125