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1/*2 * Copyright 2016 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 * Authors: Ben Skeggs <bskeggs@redhat.com>23 */24#include "priv.h"25 26#include <subdev/gsp.h>27 28static int29gk104_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 111static const struct nvkm_top_func112gk104_top = {113 .parse = gk104_top_parse,114};115 116int117gk104_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