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 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: I_(NVKM_ENGINE_NVJPG , inst); 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 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