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
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 I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
74 #define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
75 		switch (type) {
76 		case 0x00000000: O_(NVKM_ENGINE_GR    ,    0); break;
77 		case 0x00000001: O_(NVKM_ENGINE_CE    ,    0); break;
78 		case 0x00000002: O_(NVKM_ENGINE_CE    ,    1); break;
79 		case 0x00000003: O_(NVKM_ENGINE_CE    ,    2); break;
80 		case 0x00000008: O_(NVKM_ENGINE_MSPDEC,    0); break;
81 		case 0x00000009: O_(NVKM_ENGINE_MSPPP ,    0); break;
82 		case 0x0000000a: O_(NVKM_ENGINE_MSVLD ,    0); break;
83 		case 0x0000000b: O_(NVKM_ENGINE_MSENC ,    0); break;
84 		case 0x0000000c: O_(NVKM_ENGINE_VIC   ,    0); break;
85 		case 0x0000000d: O_(NVKM_ENGINE_SEC2  ,    0); break;
86 		case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
87 		case 0x0000000f: O_(NVKM_ENGINE_NVENC ,    1); break;
88 		case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
89 		case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
90 		case 0x00000013: I_(NVKM_ENGINE_CE    , inst); break;
91 		case 0x00000014: O_(NVKM_SUBDEV_GSP   ,    0); break;
92 		case 0x00000015: O_(NVKM_ENGINE_NVJPG ,    0); break;
93 		default:
94 			break;
95 		}
96 
97 		nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
98 				   "engine %2d runlist %2d intr %2d "
99 				   "reset %2d\n", type, inst,
100 			   info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
101 			   info->addr, info->fault, info->engine, info->runlist,
102 			   info->intr, info->reset);
103 		info = NULL;
104 	}
105 
106 	return 0;
107 }
108 
109 static const struct nvkm_top_func
110 gk104_top = {
111 	.oneinit = gk104_top_oneinit,
112 };
113 
114 int
115 gk104_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
116 	      struct nvkm_top **ptop)
117 {
118 	return nvkm_top_new_(&gk104_top, device, type, inst, ptop);
119 }
120