1 /* 2 * Copyright 2015 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 #include <engine/fifo.h> 27 28 static bool 29 nvkm_gr_chsw_load(struct nvkm_engine *engine) 30 { 31 struct nvkm_gr *gr = nvkm_gr(engine); 32 if (gr->func->chsw_load) 33 return gr->func->chsw_load(gr); 34 return false; 35 } 36 37 static void 38 nvkm_gr_tile(struct nvkm_engine *engine, int region, struct nvkm_fb_tile *tile) 39 { 40 struct nvkm_gr *gr = nvkm_gr(engine); 41 if (gr->func->tile) 42 gr->func->tile(gr, region, tile); 43 } 44 45 u64 46 nvkm_gr_units(struct nvkm_gr *gr) 47 { 48 if (gr->func->units) 49 return gr->func->units(gr); 50 return 0; 51 } 52 53 int 54 nvkm_gr_tlb_flush(struct nvkm_gr *gr) 55 { 56 if (gr->func->tlb_flush) 57 return gr->func->tlb_flush(gr); 58 return -ENODEV; 59 } 60 61 static int 62 nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index) 63 { 64 struct nvkm_gr *gr = nvkm_gr(oclass->engine); 65 int c = 0; 66 67 if (gr->func->object_get) { 68 int ret = gr->func->object_get(gr, index, &oclass->base); 69 if (oclass->base.oclass) 70 return index; 71 return ret; 72 } 73 74 while (gr->func->sclass[c].oclass) { 75 if (c++ == index) { 76 oclass->base = gr->func->sclass[index]; 77 return index; 78 } 79 } 80 81 return c; 82 } 83 84 static int 85 nvkm_gr_cclass_new(struct nvkm_fifo_chan *chan, 86 const struct nvkm_oclass *oclass, 87 struct nvkm_object **pobject) 88 { 89 struct nvkm_gr *gr = nvkm_gr(oclass->engine); 90 if (gr->func->chan_new) 91 return gr->func->chan_new(gr, chan, oclass, pobject); 92 return 0; 93 } 94 95 static void 96 nvkm_gr_intr(struct nvkm_engine *engine) 97 { 98 struct nvkm_gr *gr = nvkm_gr(engine); 99 gr->func->intr(gr); 100 } 101 102 static int 103 nvkm_gr_oneinit(struct nvkm_engine *engine) 104 { 105 struct nvkm_gr *gr = nvkm_gr(engine); 106 if (gr->func->oneinit) 107 return gr->func->oneinit(gr); 108 return 0; 109 } 110 111 static int 112 nvkm_gr_init(struct nvkm_engine *engine) 113 { 114 struct nvkm_gr *gr = nvkm_gr(engine); 115 return gr->func->init(gr); 116 } 117 118 static int 119 nvkm_gr_fini(struct nvkm_engine *engine, bool suspend) 120 { 121 struct nvkm_gr *gr = nvkm_gr(engine); 122 if (gr->func->fini) 123 return gr->func->fini(gr, suspend); 124 return 0; 125 } 126 127 static void * 128 nvkm_gr_dtor(struct nvkm_engine *engine) 129 { 130 struct nvkm_gr *gr = nvkm_gr(engine); 131 if (gr->func->dtor) 132 return gr->func->dtor(gr); 133 return gr; 134 } 135 136 static const struct nvkm_engine_func 137 nvkm_gr = { 138 .dtor = nvkm_gr_dtor, 139 .oneinit = nvkm_gr_oneinit, 140 .init = nvkm_gr_init, 141 .fini = nvkm_gr_fini, 142 .intr = nvkm_gr_intr, 143 .tile = nvkm_gr_tile, 144 .chsw_load = nvkm_gr_chsw_load, 145 .fifo.cclass = nvkm_gr_cclass_new, 146 .fifo.sclass = nvkm_gr_oclass_get, 147 }; 148 149 int 150 nvkm_gr_ctor(const struct nvkm_gr_func *func, struct nvkm_device *device, 151 int index, bool enable, struct nvkm_gr *gr) 152 { 153 gr->func = func; 154 return nvkm_engine_ctor(&nvkm_gr, device, index, enable, &gr->engine); 155 } 156