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;
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 		}
41 
42 		data = nvkm_rd32(device, 0x022700 + (i * 0x04));
43 		nvkm_trace(subdev, "%02x: %08x\n", i, data);
44 		switch (data & 0x00000003) {
45 		case 0x00000000: /* NOT_VALID */
46 			continue;
47 		case 0x00000001: /* DATA */
48 			info->addr  = (data & 0x00fff000);
49 			info->fault = (data & 0x000000f8) >> 3;
50 			break;
51 		case 0x00000002: /* ENUM */
52 			if (data & 0x00000020)
53 				info->engine  = (data & 0x3c000000) >> 26;
54 			if (data & 0x00000010)
55 				info->runlist = (data & 0x01e00000) >> 21;
56 			if (data & 0x00000008)
57 				info->intr    = (data & 0x000f8000) >> 15;
58 			if (data & 0x00000004)
59 				info->reset   = (data & 0x00003e00) >> 9;
60 			break;
61 		case 0x00000003: /* ENGINE_TYPE */
62 			type = (data & 0x7ffffffc) >> 2;
63 			break;
64 		}
65 
66 		if (data & 0x80000000)
67 			continue;
68 
69 		/* Translate engine type to NVKM engine identifier. */
70 		switch (type) {
71 		case 0x00000000: info->index = NVKM_ENGINE_GR; break;
72 		case 0x00000001: info->index = NVKM_ENGINE_CE0; break;
73 		case 0x00000002: info->index = NVKM_ENGINE_CE1; break;
74 		case 0x00000003: info->index = NVKM_ENGINE_CE2; break;
75 		case 0x00000008: info->index = NVKM_ENGINE_MSPDEC; break;
76 		case 0x00000009: info->index = NVKM_ENGINE_MSPPP; break;
77 		case 0x0000000a: info->index = NVKM_ENGINE_MSVLD; break;
78 		case 0x0000000b: info->index = NVKM_ENGINE_MSENC; break;
79 		case 0x0000000c: info->index = NVKM_ENGINE_VIC; break;
80 		case 0x0000000d: info->index = NVKM_ENGINE_SEC; break;
81 		case 0x0000000e: info->index = NVKM_ENGINE_NVENC0; break;
82 		case 0x0000000f: info->index = NVKM_ENGINE_NVENC1; break;
83 		case 0x00000010: info->index = NVKM_ENGINE_NVDEC; break;
84 			break;
85 		default:
86 			break;
87 		}
88 
89 		nvkm_debug(subdev, "%02x (%8s): addr %06x fault %2d engine %2d "
90 				   "runlist %2d intr %2d reset %2d\n", type,
91 			   info->index == NVKM_SUBDEV_NR ? NULL :
92 					  nvkm_subdev_name[info->index],
93 			   info->addr, info->fault, info->engine, info->runlist,
94 			   info->intr, info->reset);
95 		info = NULL;
96 	}
97 
98 	return 0;
99 }
100 
101 static const struct nvkm_top_func
102 gk104_top = {
103 	.oneinit = gk104_top_oneinit,
104 };
105 
106 int
107 gk104_top_new(struct nvkm_device *device, int index, struct nvkm_top **ptop)
108 {
109 	return nvkm_top_new_(&gk104_top, device, index, ptop);
110 }
111