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_parse(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 .parse = gk104_top_parse, 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