1 /* 2 * Copyright 2012 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 23 */ 24 25 #include <core/os.h> 26 #include <core/engctx.h> 27 #include <core/namedb.h> 28 #include <core/handle.h> 29 #include <core/gpuobj.h> 30 #include <core/event.h> 31 #include <nvif/event.h> 32 33 #include <subdev/bar.h> 34 35 #include <engine/disp.h> 36 37 #include "nv50.h" 38 39 /******************************************************************************* 40 * software object classes 41 ******************************************************************************/ 42 43 static int 44 nv50_sw_mthd_dma_vblsem(struct nouveau_object *object, u32 mthd, 45 void *args, u32 size) 46 { 47 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 48 struct nouveau_fifo_chan *fifo = (void *)nv_object(chan)->parent; 49 struct nouveau_handle *handle; 50 int ret = -EINVAL; 51 52 handle = nouveau_namedb_get(nv_namedb(fifo), *(u32 *)args); 53 if (!handle) 54 return -ENOENT; 55 56 if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) { 57 struct nouveau_gpuobj *gpuobj = nv_gpuobj(handle->object); 58 chan->vblank.ctxdma = gpuobj->node->offset >> 4; 59 ret = 0; 60 } 61 nouveau_namedb_put(handle); 62 return ret; 63 } 64 65 static int 66 nv50_sw_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, 67 void *args, u32 size) 68 { 69 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 70 chan->vblank.offset = *(u32 *)args; 71 return 0; 72 } 73 74 int 75 nv50_sw_mthd_vblsem_value(struct nouveau_object *object, u32 mthd, 76 void *args, u32 size) 77 { 78 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 79 chan->vblank.value = *(u32 *)args; 80 return 0; 81 } 82 83 int 84 nv50_sw_mthd_vblsem_release(struct nouveau_object *object, u32 mthd, 85 void *args, u32 size) 86 { 87 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 88 u32 head = *(u32 *)args; 89 if (head >= nouveau_disp(chan)->vblank.index_nr) 90 return -EINVAL; 91 92 nvkm_notify_get(&chan->vblank.notify[head]); 93 return 0; 94 } 95 96 int 97 nv50_sw_mthd_flip(struct nouveau_object *object, u32 mthd, 98 void *args, u32 size) 99 { 100 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 101 if (chan->base.flip) 102 return chan->base.flip(chan->base.flip_data); 103 return -EINVAL; 104 } 105 106 static struct nouveau_omthds 107 nv50_sw_omthds[] = { 108 { 0x018c, 0x018c, nv50_sw_mthd_dma_vblsem }, 109 { 0x0400, 0x0400, nv50_sw_mthd_vblsem_offset }, 110 { 0x0404, 0x0404, nv50_sw_mthd_vblsem_value }, 111 { 0x0408, 0x0408, nv50_sw_mthd_vblsem_release }, 112 { 0x0500, 0x0500, nv50_sw_mthd_flip }, 113 {} 114 }; 115 116 static struct nouveau_oclass 117 nv50_sw_sclass[] = { 118 { 0x506e, &nouveau_object_ofuncs, nv50_sw_omthds }, 119 {} 120 }; 121 122 /******************************************************************************* 123 * software context 124 ******************************************************************************/ 125 126 static int 127 nv50_sw_vblsem_release(struct nvkm_notify *notify) 128 { 129 struct nv50_sw_chan *chan = 130 container_of(notify, typeof(*chan), vblank.notify[notify->index]); 131 struct nv50_sw_priv *priv = (void *)nv_object(chan)->engine; 132 struct nouveau_bar *bar = nouveau_bar(priv); 133 134 nv_wr32(priv, 0x001704, chan->vblank.channel); 135 nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); 136 bar->flush(bar); 137 138 if (nv_device(priv)->chipset == 0x50) { 139 nv_wr32(priv, 0x001570, chan->vblank.offset); 140 nv_wr32(priv, 0x001574, chan->vblank.value); 141 } else { 142 nv_wr32(priv, 0x060010, chan->vblank.offset); 143 nv_wr32(priv, 0x060014, chan->vblank.value); 144 } 145 146 return NVKM_NOTIFY_DROP; 147 } 148 149 void 150 nv50_sw_context_dtor(struct nouveau_object *object) 151 { 152 struct nv50_sw_chan *chan = (void *)object; 153 int i; 154 155 for (i = 0; i < ARRAY_SIZE(chan->vblank.notify); i++) 156 nvkm_notify_fini(&chan->vblank.notify[i]); 157 158 nouveau_sw_context_destroy(&chan->base); 159 } 160 161 int 162 nv50_sw_context_ctor(struct nouveau_object *parent, 163 struct nouveau_object *engine, 164 struct nouveau_oclass *oclass, void *data, u32 size, 165 struct nouveau_object **pobject) 166 { 167 struct nouveau_disp *pdisp = nouveau_disp(parent); 168 struct nv50_sw_cclass *pclass = (void *)oclass; 169 struct nv50_sw_chan *chan; 170 int ret, i; 171 172 ret = nouveau_sw_context_create(parent, engine, oclass, &chan); 173 *pobject = nv_object(chan); 174 if (ret) 175 return ret; 176 177 for (i = 0; pdisp && i < pdisp->vblank.index_nr; i++) { 178 ret = nvkm_notify_init(NULL, &pdisp->vblank, pclass->vblank, 179 false, 180 &(struct nvif_notify_head_req_v0) { 181 .head = i, 182 }, 183 sizeof(struct nvif_notify_head_req_v0), 184 sizeof(struct nvif_notify_head_rep_v0), 185 &chan->vblank.notify[i]); 186 if (ret) 187 return ret; 188 } 189 190 chan->vblank.channel = nv_gpuobj(parent->parent)->addr >> 12; 191 return 0; 192 } 193 194 static struct nv50_sw_cclass 195 nv50_sw_cclass = { 196 .base.handle = NV_ENGCTX(SW, 0x50), 197 .base.ofuncs = &(struct nouveau_ofuncs) { 198 .ctor = nv50_sw_context_ctor, 199 .dtor = nv50_sw_context_dtor, 200 .init = _nouveau_sw_context_init, 201 .fini = _nouveau_sw_context_fini, 202 }, 203 .vblank = nv50_sw_vblsem_release, 204 }; 205 206 /******************************************************************************* 207 * software engine/subdev functions 208 ******************************************************************************/ 209 210 int 211 nv50_sw_ctor(struct nouveau_object *parent, struct nouveau_object *engine, 212 struct nouveau_oclass *oclass, void *data, u32 size, 213 struct nouveau_object **pobject) 214 { 215 struct nv50_sw_oclass *pclass = (void *)oclass; 216 struct nv50_sw_priv *priv; 217 int ret; 218 219 ret = nouveau_sw_create(parent, engine, oclass, &priv); 220 *pobject = nv_object(priv); 221 if (ret) 222 return ret; 223 224 nv_engine(priv)->cclass = pclass->cclass; 225 nv_engine(priv)->sclass = pclass->sclass; 226 nv_subdev(priv)->intr = nv04_sw_intr; 227 return 0; 228 } 229 230 struct nouveau_oclass * 231 nv50_sw_oclass = &(struct nv50_sw_oclass) { 232 .base.handle = NV_ENGINE(SW, 0x50), 233 .base.ofuncs = &(struct nouveau_ofuncs) { 234 .ctor = nv50_sw_ctor, 235 .dtor = _nouveau_sw_dtor, 236 .init = _nouveau_sw_init, 237 .fini = _nouveau_sw_fini, 238 }, 239 .cclass = &nv50_sw_cclass.base, 240 .sclass = nv50_sw_sclass, 241 }.base; 242