19274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs/* 29274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * Copyright 2012 Red Hat Inc. 39274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * 49274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 59274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * copy of this software and associated documentation files (the "Software"), 69274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * to deal in the Software without restriction, including without limitation 79274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 89274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * and/or sell copies of the Software, and to permit persons to whom the 99274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * Software is furnished to do so, subject to the following conditions: 109274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * 119274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * The above copyright notice and this permission notice shall be included in 129274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * all copies or substantial portions of the Software. 139274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * 149274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 159274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 169274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 179274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 189274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 199274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 209274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * OTHER DEALINGS IN THE SOFTWARE. 219274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * 229274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs * Authors: Ben Skeggs 239274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs */ 249274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs 259274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs#include <core/device.h> 269274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs#include <core/engine.h> 279274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs#include <core/option.h> 289274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs 299274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggsint 309274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggsnouveau_engine_create_(struct nouveau_object *parent, 319274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs struct nouveau_object *engobj, 329274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs struct nouveau_oclass *oclass, bool enable, 339274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs const char *iname, const char *fname, 349274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs int length, void **pobject) 359274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs{ 369274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs struct nouveau_engine *engine; 379274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs int ret; 389274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs 399274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs ret = nouveau_subdev_create_(parent, engobj, oclass, NV_ENGINE_CLASS, 409274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs iname, fname, length, pobject); 419274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs engine = *pobject; 429274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs if (ret) 439274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs return ret; 449274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs 45f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin if (parent) { 46f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin struct nouveau_device *device = nv_device(parent); 47f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin int engidx = nv_engidx(nv_object(engine)); 48f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin 49f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin if (device->disable_mask & (1ULL << engidx)) { 50f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin if (!nouveau_boolopt(device->cfgopt, iname, false)) { 51f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin nv_debug(engine, "engine disabled by hw/fw\n"); 52f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin return -ENODEV; 53f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin } 54f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin 55f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin nv_warn(engine, "ignoring hw/fw engine disable\n"); 56f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin } 57f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin 58f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin if (!nouveau_boolopt(device->cfgopt, iname, enable)) { 59f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin if (!enable) 60f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin nv_warn(engine, "disabled, %s=1 to enable\n", iname); 61f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin return -ENODEV; 62f0d13e3a851ef29691076d89ff7ee69f004037a7Ilia Mirkin } 639274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs } 649274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs 659274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs INIT_LIST_HEAD(&engine->contexts); 663acec63aee5d082f86218973912e682e84ec2a05Ben Skeggs spin_lock_init(&engine->lock); 679274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs return 0; 689274f4a9ba7e70d1770e237fca16d52f27f0c728Ben Skeggs} 69