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 A_(A) if (inst == 0) info->index = NVKM_ENGINE_##A 74 #define B_(A) if (inst + NVKM_ENGINE_##A##0 < NVKM_ENGINE_##A##_LAST + 1) \ 75 info->index = NVKM_ENGINE_##A##0 + inst 76 #define C_(A) if (inst == 0) info->index = NVKM_SUBDEV_##A 77 switch (type) { 78 case 0x00000000: A_(GR ); break; 79 case 0x00000001: A_(CE0 ); break; 80 case 0x00000002: A_(CE1 ); break; 81 case 0x00000003: A_(CE2 ); break; 82 case 0x00000008: A_(MSPDEC); break; 83 case 0x00000009: A_(MSPPP ); break; 84 case 0x0000000a: A_(MSVLD ); break; 85 case 0x0000000b: A_(MSENC ); break; 86 case 0x0000000c: A_(VIC ); break; 87 case 0x0000000d: A_(SEC2 ); break; 88 case 0x0000000e: B_(NVENC ); break; 89 case 0x0000000f: A_(NVENC1); break; 90 case 0x00000010: B_(NVDEC ); break; 91 case 0x00000013: B_(CE ); break; 92 case 0x00000014: C_(GSP ); break; 93 break; 94 default: 95 break; 96 } 97 98 nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d " 99 "engine %2d runlist %2d intr %2d " 100 "reset %2d\n", type, inst, 101 info->index == NVKM_SUBDEV_NR ? NULL : 102 nvkm_subdev_name[info->index], 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 .oneinit = gk104_top_oneinit, 114 }; 115 116 int 117 gk104_top_new(struct nvkm_device *device, int index, struct nvkm_top **ptop) 118 { 119 return nvkm_top_new_(&gk104_top, device, index, ptop); 120 } 121