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1/*2 * Copyright 2021 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "priv.h"23 24#include <subdev/gsp.h>25 26static int27ga100_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, n, size = nvkm_rd32(device, 0x0224fc) >> 20;34 35 for (i = 0, n = 0; i < size; 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, 0x022800 + (i * 0x04));44 nvkm_trace(subdev, "%02x: %08x\n", i, data);45 if (!data && n == 0)46 continue;47 48 switch (n++) {49 case 0:50 type = (data & 0x3f000000) >> 24;51 inst = (data & 0x000f0000) >> 16;52 info->fault = (data & 0x0000007f);53 break;54 case 1:55 info->addr = (data & 0x00fff000);56 info->reset = (data & 0x0000001f);57 break;58 case 2:59 info->runlist = (data & 0x00fffc00);60 info->engine = (data & 0x00000003);61 break;62 default:63 break;64 }65 66 if (data & 0x80000000)67 continue;68 n = 0;69 70 /* Translate engine type to NVKM engine identifier. */71#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)72#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)73 switch (type) {74 case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;75 case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;76 case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;77 case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;78 case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;79 case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;80 case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;81 case 0x00000015: I_(NVKM_ENGINE_NVJPG , inst); break;82 case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break;83 case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break;84 break;85 default:86 break;87 }88 89 nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "90 "runlist %6x engine %2d reset %2d\n", type, inst,91 info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],92 info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist,93 info->engine, info->reset);94 info = NULL;95 }96 97 return 0;98}99 100static const struct nvkm_top_func101ga100_top = {102 .parse = ga100_top_parse,103};104 105int106ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,107 struct nvkm_top **ptop)108{109 if (nvkm_gsp_rm(device->gsp))110 return -ENODEV;111 112 return nvkm_top_new_(&ga100_top, device, type, inst, ptop);113}114