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1/*2 * Copyright 2015 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 <engine/fifo.h>27 28u3229nvkm_gr_ctxsw_inst(struct nvkm_device *device)30{31 struct nvkm_gr *gr = device->gr;32 if (gr && gr->func->ctxsw.inst)33 return gr->func->ctxsw.inst(gr);34 return 0;35}36 37int38nvkm_gr_ctxsw_resume(struct nvkm_device *device)39{40 struct nvkm_gr *gr = device->gr;41 if (gr && gr->func->ctxsw.resume)42 return gr->func->ctxsw.resume(gr);43 return 0;44}45 46int47nvkm_gr_ctxsw_pause(struct nvkm_device *device)48{49 struct nvkm_gr *gr = device->gr;50 if (gr && gr->func->ctxsw.pause)51 return gr->func->ctxsw.pause(gr);52 return 0;53}54 55static bool56nvkm_gr_chsw_load(struct nvkm_engine *engine)57{58 struct nvkm_gr *gr = nvkm_gr(engine);59 if (gr->func->chsw_load)60 return gr->func->chsw_load(gr);61 return false;62}63 64static void65nvkm_gr_tile(struct nvkm_engine *engine, int region, struct nvkm_fb_tile *tile)66{67 struct nvkm_gr *gr = nvkm_gr(engine);68 if (gr->func->tile)69 gr->func->tile(gr, region, tile);70}71 72u6473nvkm_gr_units(struct nvkm_gr *gr)74{75 if (gr->func->units)76 return gr->func->units(gr);77 return 0;78}79 80int81nvkm_gr_tlb_flush(struct nvkm_gr *gr)82{83 if (gr->func->tlb_flush)84 return gr->func->tlb_flush(gr);85 return -ENODEV;86}87 88static int89nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index)90{91 struct nvkm_gr *gr = nvkm_gr(oclass->engine);92 int c = 0;93 94 if (gr->func->object_get) {95 int ret = gr->func->object_get(gr, index, &oclass->base);96 if (oclass->base.oclass)97 return index;98 return ret;99 }100 101 while (gr->func->sclass[c].oclass) {102 if (c++ == index) {103 oclass->base = gr->func->sclass[index];104 return index;105 }106 }107 108 return c;109}110 111static int112nvkm_gr_cclass_new(struct nvkm_chan *chan, const struct nvkm_oclass *oclass,113 struct nvkm_object **pobject)114{115 struct nvkm_gr *gr = nvkm_gr(oclass->engine);116 if (gr->func->chan_new)117 return gr->func->chan_new(gr, chan, oclass, pobject);118 return 0;119}120 121static void122nvkm_gr_intr(struct nvkm_engine *engine)123{124 struct nvkm_gr *gr = nvkm_gr(engine);125 gr->func->intr(gr);126}127 128static int129nvkm_gr_nonstall(struct nvkm_engine *engine)130{131 struct nvkm_gr *gr = nvkm_gr(engine);132 133 if (gr->func->nonstall)134 return gr->func->nonstall(gr);135 136 return -EINVAL;137}138 139static int140nvkm_gr_oneinit(struct nvkm_engine *engine)141{142 struct nvkm_gr *gr = nvkm_gr(engine);143 if (gr->func->oneinit)144 return gr->func->oneinit(gr);145 return 0;146}147 148static int149nvkm_gr_reset(struct nvkm_engine *engine)150{151 struct nvkm_gr *gr = nvkm_gr(engine);152 153 if (gr->func->reset)154 return gr->func->reset(gr);155 156 return -ENOSYS;157}158 159static int160nvkm_gr_init(struct nvkm_engine *engine)161{162 struct nvkm_gr *gr = nvkm_gr(engine);163 164 if (gr->func->init)165 return gr->func->init(gr);166 167 return 0;168}169 170static int171nvkm_gr_fini(struct nvkm_engine *engine, bool suspend)172{173 struct nvkm_gr *gr = nvkm_gr(engine);174 if (gr->func->fini)175 return gr->func->fini(gr, suspend);176 return 0;177}178 179static void *180nvkm_gr_dtor(struct nvkm_engine *engine)181{182 struct nvkm_gr *gr = nvkm_gr(engine);183 if (gr->func->dtor)184 return gr->func->dtor(gr);185 return gr;186}187 188static const struct nvkm_engine_func189nvkm_gr = {190 .dtor = nvkm_gr_dtor,191 .oneinit = nvkm_gr_oneinit,192 .init = nvkm_gr_init,193 .fini = nvkm_gr_fini,194 .reset = nvkm_gr_reset,195 .nonstall = nvkm_gr_nonstall,196 .intr = nvkm_gr_intr,197 .tile = nvkm_gr_tile,198 .chsw_load = nvkm_gr_chsw_load,199 .fifo.cclass = nvkm_gr_cclass_new,200 .fifo.sclass = nvkm_gr_oclass_get,201};202 203int204nvkm_gr_ctor(const struct nvkm_gr_func *func, struct nvkm_device *device,205 enum nvkm_subdev_type type, int inst, bool enable, struct nvkm_gr *gr)206{207 gr->func = func;208 return nvkm_engine_ctor(&nvkm_gr, device, type, inst, enable, &gr->engine);209}210