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 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 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