drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c

   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 "nvc0.h"
  26 #include "fuc/hubnvc0.fuc.h"
  27 #include "fuc/gpcnvc0.fuc.h"
  28
  29 /*******************************************************************************
  30  * Graphics object classes
  31  ******************************************************************************/
  32
  33 static struct nouveau_oclass
  34 nvc0_graph_sclass[] = {
  35         { 0x902d, &nouveau_object_ofuncs },
  36         { 0x9039, &nouveau_object_ofuncs },
  37         { 0x9097, &nouveau_object_ofuncs },
  38         { 0x90c0, &nouveau_object_ofuncs },
  39         {}
  40 };
  41
  42 static struct nouveau_oclass
  43 nvc1_graph_sclass[] = {
  44         { 0x902d, &nouveau_object_ofuncs },
  45         { 0x9039, &nouveau_object_ofuncs },
  46         { 0x9097, &nouveau_object_ofuncs },
  47         { 0x90c0, &nouveau_object_ofuncs },
  48         { 0x9197, &nouveau_object_ofuncs },
  49         {}
  50 };
  51
  52 static struct nouveau_oclass
  53 nvc8_graph_sclass[] = {
  54         { 0x902d, &nouveau_object_ofuncs },
  55         { 0x9039, &nouveau_object_ofuncs },
  56         { 0x9097, &nouveau_object_ofuncs },
  57         { 0x90c0, &nouveau_object_ofuncs },
  58         { 0x9197, &nouveau_object_ofuncs },
  59         { 0x9297, &nouveau_object_ofuncs },
  60         {}
  61 };
  62
  63 /*******************************************************************************
  64  * PGRAPH context
  65  ******************************************************************************/
  66
  67 int
  68 nvc0_graph_context_ctor(struct nouveau_object *parent,
  69                         struct nouveau_object *engine,
  70                         struct nouveau_oclass *oclass, void *args, u32 size,
  71                         struct nouveau_object **pobject)
  72 {
  73         struct nouveau_vm *vm = nouveau_client(parent)->vm;
  74         struct nvc0_graph_priv *priv = (void *)engine;
  75         struct nvc0_graph_data *data = priv->mmio_data;
  76         struct nvc0_graph_mmio *mmio = priv->mmio_list;
  77         struct nvc0_graph_chan *chan;
  78         int ret, i;
  79
  80         /* allocate memory for context, and fill with default values */
  81         ret = nouveau_graph_context_create(parent, engine, oclass, NULL,
  82                                            priv->size, 0x100,
  83                                            NVOBJ_FLAG_ZERO_ALLOC, &chan);
  84         *pobject = nv_object(chan);
  85         if (ret)
  86                 return ret;
  87
  88         /* allocate memory for a "mmio list" buffer that's used by the HUB
  89          * fuc to modify some per-context register settings on first load
  90          * of the context.
  91          */
  92         ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 0x100, 0, &chan->mmio);
  93         if (ret)
  94                 return ret;
  95
  96         ret = nouveau_gpuobj_map_vm(nv_gpuobj(chan->mmio), vm,
  97                                     NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
  98                                     &chan->mmio_vma);
  99         if (ret)
 100                 return ret;
 101
 102         /* allocate buffers referenced by mmio list */
 103         for (i = 0; data->size && i < ARRAY_SIZE(priv->mmio_data); i++) {
 104                 ret = nouveau_gpuobj_new(parent, NULL, data->size, data->align,
 105                                          0, &chan->data[i].mem);
 106                 if (ret)
 107                         return ret;
 108
 109                 ret = nouveau_gpuobj_map_vm(chan->data[i].mem, vm, data->access,
 110                                            &chan->data[i].vma);
 111                 if (ret)
 112                         return ret;
 113
 114                 data++;
 115         }
 116
 117         /* finally, fill in the mmio list and point the context at it */
 118         for (i = 0; mmio->addr && i < ARRAY_SIZE(priv->mmio_list); i++) {
 119                 u32 addr = mmio->addr;
 120                 u32 data = mmio->data;
 121
 122                 if (mmio->shift) {
 123                         u64 info = chan->data[mmio->buffer].vma.offset;
 124                         data |= info >> mmio->shift;
 125                 }
 126
 127                 nv_wo32(chan->mmio, chan->mmio_nr++ * 4, addr);
 128                 nv_wo32(chan->mmio, chan->mmio_nr++ * 4, data);
 129                 mmio++;
 130         }
 131
 132         for (i = 0; i < priv->size; i += 4)
 133                 nv_wo32(chan, i, priv->data[i / 4]);
 134
 135         if (!priv->firmware) {
 136                 nv_wo32(chan, 0x00, chan->mmio_nr / 2);
 137                 nv_wo32(chan, 0x04, chan->mmio_vma.offset >> 8);
 138         } else {
 139                 nv_wo32(chan, 0xf4, 0);
 140                 nv_wo32(chan, 0xf8, 0);
 141                 nv_wo32(chan, 0x10, chan->mmio_nr / 2);
 142                 nv_wo32(chan, 0x14, lower_32_bits(chan->mmio_vma.offset));
 143                 nv_wo32(chan, 0x18, upper_32_bits(chan->mmio_vma.offset));
 144                 nv_wo32(chan, 0x1c, 1);
 145                 nv_wo32(chan, 0x20, 0);
 146                 nv_wo32(chan, 0x28, 0);
 147                 nv_wo32(chan, 0x2c, 0);
 148         }
 149
 150         return 0;
 151 }
 152
 153 void
 154 nvc0_graph_context_dtor(struct nouveau_object *object)
 155 {
 156         struct nvc0_graph_chan *chan = (void *)object;
 157         int i;
 158
 159         for (i = 0; i < ARRAY_SIZE(chan->data); i++) {
 160                 nouveau_gpuobj_unmap(&chan->data[i].vma);
 161                 nouveau_gpuobj_ref(NULL, &chan->data[i].mem);
 162         }
 163
 164         nouveau_gpuobj_unmap(&chan->mmio_vma);
 165         nouveau_gpuobj_ref(NULL, &chan->mmio);
 166
 167         nouveau_graph_context_destroy(&chan->base);
 168 }
 169
 170 static struct nouveau_oclass
 171 nvc0_graph_cclass = {
 172         .ofuncs = &(struct nouveau_ofuncs) {
 173                 .ctor = nvc0_graph_context_ctor,
 174                 .dtor = nvc0_graph_context_dtor,
 175                 .init = _nouveau_graph_context_init,
 176                 .fini = _nouveau_graph_context_fini,
 177                 .rd32 = _nouveau_graph_context_rd32,
 178                 .wr32 = _nouveau_graph_context_wr32,
 179         },
 180 };
 181
 182 /*******************************************************************************
 183  * PGRAPH engine/subdev functions
 184  ******************************************************************************/
 185
 186 static void
 187 nvc0_graph_ctxctl_debug_unit(struct nvc0_graph_priv *priv, u32 base)
 188 {
 189         nv_error(priv, "%06x - done 0x%08x\n", base,
 190                  nv_rd32(priv, base + 0x400));
 191         nv_error(priv, "%06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
 192                  nv_rd32(priv, base + 0x800), nv_rd32(priv, base + 0x804),
 193                  nv_rd32(priv, base + 0x808), nv_rd32(priv, base + 0x80c));
 194         nv_error(priv, "%06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
 195                  nv_rd32(priv, base + 0x810), nv_rd32(priv, base + 0x814),
 196                  nv_rd32(priv, base + 0x818), nv_rd32(priv, base + 0x81c));
 197 }
 198
 199 void
 200 nvc0_graph_ctxctl_debug(struct nvc0_graph_priv *priv)
 201 {
 202         u32 gpcnr = nv_rd32(priv, 0x409604) & 0xffff;
 203         u32 gpc;
 204
 205         nvc0_graph_ctxctl_debug_unit(priv, 0x409000);
 206         for (gpc = 0; gpc < gpcnr; gpc++)
 207                 nvc0_graph_ctxctl_debug_unit(priv, 0x502000 + (gpc * 0x8000));
 208 }
 209
 210 static void
 211 nvc0_graph_ctxctl_isr(struct nvc0_graph_priv *priv)
 212 {
 213         u32 ustat = nv_rd32(priv, 0x409c18);
 214
 215         if (ustat & 0x00000001)
 216                 nv_error(priv, "CTXCTRL ucode error\n");
 217         if (ustat & 0x00080000)
 218                 nv_error(priv, "CTXCTRL watchdog timeout\n");
 219         if (ustat & ~0x00080001)
 220                 nv_error(priv, "CTXCTRL 0x%08x\n", ustat);
 221
 222         nvc0_graph_ctxctl_debug(priv);
 223         nv_wr32(priv, 0x409c20, ustat);
 224 }
 225
 226 static void
 227 nvc0_graph_trap_tpc(struct nvc0_graph_priv *priv, int gpc, int tpc)
 228 {
 229         u32 stat = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0508));
 230
 231         if (stat & 0x00000001) {
 232                 u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0224));
 233                 nv_error(priv, "GPC%d/TPC%d/TEX: 0x%08x\n", gpc, tpc, trap);
 234                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
 235                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000001);
 236                 stat &= ~0x00000001;
 237         }
 238
 239         if (stat & 0x00000002) {
 240                 u32 trap0 = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0644));
 241                 u32 trap1 = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x064c));
 242                 nv_error(priv, "GPC%d/TPC%d/MP: 0x%08x 0x%08x\n",
 243                                gpc, tpc, trap0, trap1);
 244                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0644), 0x001ffffe);
 245                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x064c), 0x0000000f);
 246                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000002);
 247                 stat &= ~0x00000002;
 248         }
 249
 250         if (stat & 0x00000004) {
 251                 u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0084));
 252                 nv_error(priv, "GPC%d/TPC%d/POLY: 0x%08x\n", gpc, tpc, trap);
 253                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
 254                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000004);
 255                 stat &= ~0x00000004;
 256         }
 257
 258         if (stat & 0x00000008) {
 259                 u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x048c));
 260                 nv_error(priv, "GPC%d/TPC%d/L1C: 0x%08x\n", gpc, tpc, trap);
 261                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
 262                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000008);
 263                 stat &= ~0x00000008;
 264         }
 265
 266         if (stat) {
 267                 nv_error(priv, "GPC%d/TPC%d/0x%08x: unknown\n", gpc, tpc, stat);
 268                 nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), stat);
 269         }
 270 }
 271
 272 static void
 273 nvc0_graph_trap_gpc(struct nvc0_graph_priv *priv, int gpc)
 274 {
 275         u32 stat = nv_rd32(priv, GPC_UNIT(gpc, 0x2c90));
 276         int tpc;
 277
 278         if (stat & 0x00000001) {
 279                 u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0420));
 280                 nv_error(priv, "GPC%d/PROP: 0x%08x\n", gpc, trap);
 281                 nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
 282                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000001);
 283                 stat &= ~0x00000001;
 284         }
 285
 286         if (stat & 0x00000002) {
 287                 u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0900));
 288                 nv_error(priv, "GPC%d/ZCULL: 0x%08x\n", gpc, trap);
 289                 nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
 290                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000002);
 291                 stat &= ~0x00000002;
 292         }
 293
 294         if (stat & 0x00000004) {
 295                 u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x1028));
 296                 nv_error(priv, "GPC%d/CCACHE: 0x%08x\n", gpc, trap);
 297                 nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
 298                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000004);
 299                 stat &= ~0x00000004;
 300         }
 301
 302         if (stat & 0x00000008) {
 303                 u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0824));
 304                 nv_error(priv, "GPC%d/ESETUP: 0x%08x\n", gpc, trap);
 305                 nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
 306                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000008);
 307                 stat &= ~0x00000009;
 308         }
 309
 310         for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
 311                 u32 mask = 0x00010000 << tpc;
 312                 if (stat & mask) {
 313                         nvc0_graph_trap_tpc(priv, gpc, tpc);
 314                         nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), mask);
 315                         stat &= ~mask;
 316                 }
 317         }
 318
 319         if (stat) {
 320                 nv_error(priv, "GPC%d/0x%08x: unknown\n", gpc, stat);
 321                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), stat);
 322         }
 323 }
 324
 325 static void
 326 nvc0_graph_trap_intr(struct nvc0_graph_priv *priv)
 327 {
 328         u32 trap = nv_rd32(priv, 0x400108);
 329         int rop, gpc;
 330
 331         if (trap & 0x00000001) {
 332                 u32 stat = nv_rd32(priv, 0x404000);
 333                 nv_error(priv, "DISPATCH 0x%08x\n", stat);
 334                 nv_wr32(priv, 0x404000, 0xc0000000);
 335                 nv_wr32(priv, 0x400108, 0x00000001);
 336                 trap &= ~0x00000001;
 337         }
 338
 339         if (trap & 0x00000002) {
 340                 u32 stat = nv_rd32(priv, 0x404600);
 341                 nv_error(priv, "M2MF 0x%08x\n", stat);
 342                 nv_wr32(priv, 0x404600, 0xc0000000);
 343                 nv_wr32(priv, 0x400108, 0x00000002);
 344                 trap &= ~0x00000002;
 345         }
 346
 347         if (trap & 0x00000008) {
 348                 u32 stat = nv_rd32(priv, 0x408030);
 349                 nv_error(priv, "CCACHE 0x%08x\n", stat);
 350                 nv_wr32(priv, 0x408030, 0xc0000000);
 351                 nv_wr32(priv, 0x400108, 0x00000008);
 352                 trap &= ~0x00000008;
 353         }
 354
 355         if (trap & 0x00000010) {
 356                 u32 stat = nv_rd32(priv, 0x405840);
 357                 nv_error(priv, "SHADER 0x%08x\n", stat);
 358                 nv_wr32(priv, 0x405840, 0xc0000000);
 359                 nv_wr32(priv, 0x400108, 0x00000010);
 360                 trap &= ~0x00000010;
 361         }
 362
 363         if (trap & 0x00000040) {
 364                 u32 stat = nv_rd32(priv, 0x40601c);
 365                 nv_error(priv, "UNK6 0x%08x\n", stat);
 366                 nv_wr32(priv, 0x40601c, 0xc0000000);
 367                 nv_wr32(priv, 0x400108, 0x00000040);
 368                 trap &= ~0x00000040;
 369         }
 370
 371         if (trap & 0x00000080) {
 372                 u32 stat = nv_rd32(priv, 0x404490);
 373                 nv_error(priv, "MACRO 0x%08x\n", stat);
 374                 nv_wr32(priv, 0x404490, 0xc0000000);
 375                 nv_wr32(priv, 0x400108, 0x00000080);
 376                 trap &= ~0x00000080;
 377         }
 378
 379         if (trap & 0x01000000) {
 380                 u32 stat = nv_rd32(priv, 0x400118);
 381                 for (gpc = 0; stat && gpc < priv->gpc_nr; gpc++) {
 382                         u32 mask = 0x00000001 << gpc;
 383                         if (stat & mask) {
 384                                 nvc0_graph_trap_gpc(priv, gpc);
 385                                 nv_wr32(priv, 0x400118, mask);
 386                                 stat &= ~mask;
 387                         }
 388                 }
 389                 nv_wr32(priv, 0x400108, 0x01000000);
 390                 trap &= ~0x01000000;
 391         }
 392
 393         if (trap & 0x02000000) {
 394                 for (rop = 0; rop < priv->rop_nr; rop++) {
 395                         u32 statz = nv_rd32(priv, ROP_UNIT(rop, 0x070));
 396                         u32 statc = nv_rd32(priv, ROP_UNIT(rop, 0x144));
 397                         nv_error(priv, "ROP%d 0x%08x 0x%08x\n",
 398                                  rop, statz, statc);
 399                         nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
 400                         nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
 401                 }
 402                 nv_wr32(priv, 0x400108, 0x02000000);
 403                 trap &= ~0x02000000;
 404         }
 405
 406         if (trap) {
 407                 nv_error(priv, "TRAP UNHANDLED 0x%08x\n", trap);
 408                 nv_wr32(priv, 0x400108, trap);
 409         }
 410 }
 411
 412 static void
 413 nvc0_graph_intr(struct nouveau_subdev *subdev)
 414 {
 415         struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
 416         struct nouveau_engine *engine = nv_engine(subdev);
 417         struct nouveau_object *engctx;
 418         struct nouveau_handle *handle;
 419         struct nvc0_graph_priv *priv = (void *)subdev;
 420         u64 inst = nv_rd32(priv, 0x409b00) & 0x0fffffff;
 421         u32 stat = nv_rd32(priv, 0x400100);
 422         u32 addr = nv_rd32(priv, 0x400704);
 423         u32 mthd = (addr & 0x00003ffc);
 424         u32 subc = (addr & 0x00070000) >> 16;
 425         u32 data = nv_rd32(priv, 0x400708);
 426         u32 code = nv_rd32(priv, 0x400110);
 427         u32 class = nv_rd32(priv, 0x404200 + (subc * 4));
 428         int chid;
 429
 430         engctx = nouveau_engctx_get(engine, inst);
 431         chid   = pfifo->chid(pfifo, engctx);
 432
 433         if (stat & 0x00000010) {
 434                 handle = nouveau_handle_get_class(engctx, class);
 435                 if (!handle || nv_call(handle->object, mthd, data)) {
 436                         nv_error(priv,
 437                                  "ILLEGAL_MTHD ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
 438                                  chid, inst << 12, nouveau_client_name(engctx),
 439                                  subc, class, mthd, data);
 440                 }
 441                 nouveau_handle_put(handle);
 442                 nv_wr32(priv, 0x400100, 0x00000010);
 443                 stat &= ~0x00000010;
 444         }
 445
 446         if (stat & 0x00000020) {
 447                 nv_error(priv,
 448                          "ILLEGAL_CLASS ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
 449                          chid, inst << 12, nouveau_client_name(engctx), subc,
 450                          class, mthd, data);
 451                 nv_wr32(priv, 0x400100, 0x00000020);
 452                 stat &= ~0x00000020;
 453         }
 454
 455         if (stat & 0x00100000) {
 456                 nv_error(priv, "DATA_ERROR [");
 457                 nouveau_enum_print(nv50_data_error_names, code);
 458                 pr_cont("] ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
 459                         chid, inst << 12, nouveau_client_name(engctx), subc,
 460                         class, mthd, data);
 461                 nv_wr32(priv, 0x400100, 0x00100000);
 462                 stat &= ~0x00100000;
 463         }
 464
 465         if (stat & 0x00200000) {
 466                 nv_error(priv, "TRAP ch %d [0x%010llx %s]\n", chid, inst << 12,
 467                          nouveau_client_name(engctx));
 468                 nvc0_graph_trap_intr(priv);
 469                 nv_wr32(priv, 0x400100, 0x00200000);
 470                 stat &= ~0x00200000;
 471         }
 472
 473         if (stat & 0x00080000) {
 474                 nvc0_graph_ctxctl_isr(priv);
 475                 nv_wr32(priv, 0x400100, 0x00080000);
 476                 stat &= ~0x00080000;
 477         }
 478
 479         if (stat) {
 480                 nv_error(priv, "unknown stat 0x%08x\n", stat);
 481                 nv_wr32(priv, 0x400100, stat);
 482         }
 483
 484         nv_wr32(priv, 0x400500, 0x00010001);
 485         nouveau_engctx_put(engctx);
 486 }
 487
 488 int
 489 nvc0_graph_ctor_fw(struct nvc0_graph_priv *priv, const char *fwname,
 490                    struct nvc0_graph_fuc *fuc)
 491 {
 492         struct nouveau_device *device = nv_device(priv);
 493         const struct firmware *fw;
 494         char f[32];
 495         int ret;
 496
 497         snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, fwname);
 498         ret = request_firmware(&fw, f, &device->pdev->dev);
 499         if (ret) {
 500                 snprintf(f, sizeof(f), "nouveau/%s", fwname);
 501                 ret = request_firmware(&fw, f, &device->pdev->dev);
 502                 if (ret) {
 503                         nv_error(priv, "failed to load %s\n", fwname);
 504                         return ret;
 505                 }
 506         }
 507
 508         fuc->size = fw->size;
 509         fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
 510         release_firmware(fw);
 511         return (fuc->data != NULL) ? 0 : -ENOMEM;
 512 }
 513
 514 static int
 515 nvc0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 516                 struct nouveau_oclass *oclass, void *data, u32 size,
 517                 struct nouveau_object **pobject)
 518 {
 519         struct nouveau_device *device = nv_device(parent);
 520         struct nvc0_graph_priv *priv;
 521         int ret, i;
 522
 523         ret = nouveau_graph_create(parent, engine, oclass, true, &priv);
 524         *pobject = nv_object(priv);
 525         if (ret)
 526                 return ret;
 527
 528         nv_subdev(priv)->unit = 0x18001000;
 529         nv_subdev(priv)->intr = nvc0_graph_intr;
 530         nv_engine(priv)->cclass = &nvc0_graph_cclass;
 531
 532         if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", false)) {
 533                 nv_info(priv, "using external firmware\n");
 534                 if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
 535                     nvc0_graph_ctor_fw(priv, "fuc409d", &priv->fuc409d) ||
 536                     nvc0_graph_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) ||
 537                     nvc0_graph_ctor_fw(priv, "fuc41ad", &priv->fuc41ad))
 538                         return -EINVAL;
 539                 priv->firmware = true;
 540         }
 541
 542         switch (nvc0_graph_class(priv)) {
 543         case 0x9097:
 544                 nv_engine(priv)->sclass = nvc0_graph_sclass;
 545                 break;
 546         case 0x9197:
 547                 nv_engine(priv)->sclass = nvc1_graph_sclass;
 548                 break;
 549         case 0x9297:
 550                 nv_engine(priv)->sclass = nvc8_graph_sclass;
 551                 break;
 552         }
 553
 554         ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b4);
 555         if (ret)
 556                 return ret;
 557
 558         ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b8);
 559         if (ret)
 560                 return ret;
 561
 562         for (i = 0; i < 0x1000; i += 4) {
 563                 nv_wo32(priv->unk4188b4, i, 0x00000010);
 564                 nv_wo32(priv->unk4188b8, i, 0x00000010);
 565         }
 566
 567         priv->rop_nr = (nv_rd32(priv, 0x409604) & 0x001f0000) >> 16;
 568         priv->gpc_nr =  nv_rd32(priv, 0x409604) & 0x0000001f;
 569         for (i = 0; i < priv->gpc_nr; i++) {
 570                 priv->tpc_nr[i]  = nv_rd32(priv, GPC_UNIT(i, 0x2608));
 571                 priv->tpc_total += priv->tpc_nr[i];
 572         }
 573
 574         /*XXX: these need figuring out... though it might not even matter */
 575         switch (nv_device(priv)->chipset) {
 576         case 0xc0:
 577                 if (priv->tpc_total == 11) { /* 465, 3/4/4/0, 4 */
 578                         priv->magic_not_rop_nr = 0x07;
 579                 } else
 580                 if (priv->tpc_total == 14) { /* 470, 3/3/4/4, 5 */
 581                         priv->magic_not_rop_nr = 0x05;
 582                 } else
 583                 if (priv->tpc_total == 15) { /* 480, 3/4/4/4, 6 */
 584                         priv->magic_not_rop_nr = 0x06;
 585                 }
 586                 break;
 587         case 0xc3: /* 450, 4/0/0/0, 2 */
 588                 priv->magic_not_rop_nr = 0x03;
 589                 break;
 590         case 0xc4: /* 460, 3/4/0/0, 4 */
 591                 priv->magic_not_rop_nr = 0x01;
 592                 break;
 593         case 0xc1: /* 2/0/0/0, 1 */
 594                 priv->magic_not_rop_nr = 0x01;
 595                 break;
 596         case 0xc8: /* 4/4/3/4, 5 */
 597                 priv->magic_not_rop_nr = 0x06;
 598                 break;
 599         case 0xce: /* 4/4/0/0, 4 */
 600                 priv->magic_not_rop_nr = 0x03;
 601                 break;
 602         case 0xcf: /* 4/0/0/0, 3 */
 603                 priv->magic_not_rop_nr = 0x03;
 604                 break;
 605         case 0xd9: /* 1/0/0/0, 1 */
 606                 priv->magic_not_rop_nr = 0x01;
 607                 break;
 608         }
 609
 610         return 0;
 611 }
 612
 613 static void
 614 nvc0_graph_dtor_fw(struct nvc0_graph_fuc *fuc)
 615 {
 616         kfree(fuc->data);
 617         fuc->data = NULL;
 618 }
 619
 620 void
 621 nvc0_graph_dtor(struct nouveau_object *object)
 622 {
 623         struct nvc0_graph_priv *priv = (void *)object;
 624
 625         kfree(priv->data);
 626
 627         nvc0_graph_dtor_fw(&priv->fuc409c);
 628         nvc0_graph_dtor_fw(&priv->fuc409d);
 629         nvc0_graph_dtor_fw(&priv->fuc41ac);
 630         nvc0_graph_dtor_fw(&priv->fuc41ad);
 631
 632         nouveau_gpuobj_ref(NULL, &priv->unk4188b8);
 633         nouveau_gpuobj_ref(NULL, &priv->unk4188b4);
 634
 635         nouveau_graph_destroy(&priv->base);
 636 }
 637
 638 static void
 639 nvc0_graph_init_obj418880(struct nvc0_graph_priv *priv)
 640 {
 641         int i;
 642
 643         nv_wr32(priv, GPC_BCAST(0x0880), 0x00000000);
 644         nv_wr32(priv, GPC_BCAST(0x08a4), 0x00000000);
 645         for (i = 0; i < 4; i++)
 646                 nv_wr32(priv, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
 647         nv_wr32(priv, GPC_BCAST(0x08b4), priv->unk4188b4->addr >> 8);
 648         nv_wr32(priv, GPC_BCAST(0x08b8), priv->unk4188b8->addr >> 8);
 649 }
 650
 651 static void
 652 nvc0_graph_init_regs(struct nvc0_graph_priv *priv)
 653 {
 654         nv_wr32(priv, 0x400080, 0x003083c2);
 655         nv_wr32(priv, 0x400088, 0x00006fe7);
 656         nv_wr32(priv, 0x40008c, 0x00000000);
 657         nv_wr32(priv, 0x400090, 0x00000030);
 658         nv_wr32(priv, 0x40013c, 0x013901f7);
 659         nv_wr32(priv, 0x400140, 0x00000100);
 660         nv_wr32(priv, 0x400144, 0x00000000);
 661         nv_wr32(priv, 0x400148, 0x00000110);
 662         nv_wr32(priv, 0x400138, 0x00000000);
 663         nv_wr32(priv, 0x400130, 0x00000000);
 664         nv_wr32(priv, 0x400134, 0x00000000);
 665         nv_wr32(priv, 0x400124, 0x00000002);
 666 }
 667
 668 static void
 669 nvc0_graph_init_gpc_0(struct nvc0_graph_priv *priv)
 670 {
 671         const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tpc_total);
 672         u32 data[TPC_MAX / 8];
 673         u8  tpcnr[GPC_MAX];
 674         int i, gpc, tpc;
 675
 676         nv_wr32(priv, TPC_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
 677
 678         /*
 679          *      TP      ROP UNKVAL(magic_not_rop_nr)
 680          * 450: 4/0/0/0 2        3
 681          * 460: 3/4/0/0 4        1
 682          * 465: 3/4/4/0 4        7
 683          * 470: 3/3/4/4 5        5
 684          * 480: 3/4/4/4 6        6
 685          */
 686
 687         memset(data, 0x00, sizeof(data));
 688         memcpy(tpcnr, priv->tpc_nr, sizeof(priv->tpc_nr));
 689         for (i = 0, gpc = -1; i < priv->tpc_total; i++) {
 690                 do {
 691                         gpc = (gpc + 1) % priv->gpc_nr;
 692                 } while (!tpcnr[gpc]);
 693                 tpc = priv->tpc_nr[gpc] - tpcnr[gpc]--;
 694
 695                 data[i / 8] |= tpc << ((i % 8) * 4);
 696         }
 697
 698         nv_wr32(priv, GPC_BCAST(0x0980), data[0]);
 699         nv_wr32(priv, GPC_BCAST(0x0984), data[1]);
 700         nv_wr32(priv, GPC_BCAST(0x0988), data[2]);
 701         nv_wr32(priv, GPC_BCAST(0x098c), data[3]);
 702
 703         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
 704                 nv_wr32(priv, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
 705                                                   priv->tpc_nr[gpc]);
 706                 nv_wr32(priv, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tpc_total);
 707                 nv_wr32(priv, GPC_UNIT(gpc, 0x0918), magicgpc918);
 708         }
 709
 710         nv_wr32(priv, GPC_BCAST(0x1bd4), magicgpc918);
 711         nv_wr32(priv, GPC_BCAST(0x08ac), nv_rd32(priv, 0x100800));
 712 }
 713
 714 static void
 715 nvc0_graph_init_units(struct nvc0_graph_priv *priv)
 716 {
 717         nv_wr32(priv, 0x409c24, 0x000f0000);
 718         nv_wr32(priv, 0x404000, 0xc0000000); /* DISPATCH */
 719         nv_wr32(priv, 0x404600, 0xc0000000); /* M2MF */
 720         nv_wr32(priv, 0x408030, 0xc0000000);
 721         nv_wr32(priv, 0x40601c, 0xc0000000);
 722         nv_wr32(priv, 0x404490, 0xc0000000); /* MACRO */
 723         nv_wr32(priv, 0x406018, 0xc0000000);
 724         nv_wr32(priv, 0x405840, 0xc0000000);
 725         nv_wr32(priv, 0x405844, 0x00ffffff);
 726         nv_mask(priv, 0x419cc0, 0x00000008, 0x00000008);
 727         nv_mask(priv, 0x419eb4, 0x00001000, 0x00001000);
 728 }
 729
 730 static void
 731 nvc0_graph_init_gpc_1(struct nvc0_graph_priv *priv)
 732 {
 733         int gpc, tpc;
 734
 735         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
 736                 nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
 737                 nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
 738                 nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
 739                 nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
 740                 for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
 741                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
 742                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
 743                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
 744                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
 745                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
 746                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
 747                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
 748                 }
 749                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
 750                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
 751         }
 752 }
 753
 754 static void
 755 nvc0_graph_init_rop(struct nvc0_graph_priv *priv)
 756 {
 757         int rop;
 758
 759         for (rop = 0; rop < priv->rop_nr; rop++) {
 760                 nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
 761                 nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
 762                 nv_wr32(priv, ROP_UNIT(rop, 0x204), 0xffffffff);
 763                 nv_wr32(priv, ROP_UNIT(rop, 0x208), 0xffffffff);
 764         }
 765 }
 766
 767 void
 768 nvc0_graph_init_fw(struct nvc0_graph_priv *priv, u32 fuc_base,
 769                    struct nvc0_graph_fuc *code, struct nvc0_graph_fuc *data)
 770 {
 771         int i;
 772
 773         nv_wr32(priv, fuc_base + 0x01c0, 0x01000000);
 774         for (i = 0; i < data->size / 4; i++)
 775                 nv_wr32(priv, fuc_base + 0x01c4, data->data[i]);
 776
 777         nv_wr32(priv, fuc_base + 0x0180, 0x01000000);
 778         for (i = 0; i < code->size / 4; i++) {
 779                 if ((i & 0x3f) == 0)
 780                         nv_wr32(priv, fuc_base + 0x0188, i >> 6);
 781                 nv_wr32(priv, fuc_base + 0x0184, code->data[i]);
 782         }
 783 }
 784
 785 static int
 786 nvc0_graph_init_ctxctl(struct nvc0_graph_priv *priv)
 787 {
 788         u32 r000260;
 789         int i;
 790
 791         if (priv->firmware) {
 792                 /* load fuc microcode */
 793                 r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
 794                 nvc0_graph_init_fw(priv, 0x409000, &priv->fuc409c,
 795                                                    &priv->fuc409d);
 796                 nvc0_graph_init_fw(priv, 0x41a000, &priv->fuc41ac,
 797                                                    &priv->fuc41ad);
 798                 nv_wr32(priv, 0x000260, r000260);
 799
 800                 /* start both of them running */
 801                 nv_wr32(priv, 0x409840, 0xffffffff);
 802                 nv_wr32(priv, 0x41a10c, 0x00000000);
 803                 nv_wr32(priv, 0x40910c, 0x00000000);
 804                 nv_wr32(priv, 0x41a100, 0x00000002);
 805                 nv_wr32(priv, 0x409100, 0x00000002);
 806                 if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000001))
 807                         nv_warn(priv, "0x409800 wait failed\n");
 808
 809                 nv_wr32(priv, 0x409840, 0xffffffff);
 810                 nv_wr32(priv, 0x409500, 0x7fffffff);
 811                 nv_wr32(priv, 0x409504, 0x00000021);
 812
 813                 nv_wr32(priv, 0x409840, 0xffffffff);
 814                 nv_wr32(priv, 0x409500, 0x00000000);
 815                 nv_wr32(priv, 0x409504, 0x00000010);
 816                 if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
 817                         nv_error(priv, "fuc09 req 0x10 timeout\n");
 818                         return -EBUSY;
 819                 }
 820                 priv->size = nv_rd32(priv, 0x409800);
 821
 822                 nv_wr32(priv, 0x409840, 0xffffffff);
 823                 nv_wr32(priv, 0x409500, 0x00000000);
 824                 nv_wr32(priv, 0x409504, 0x00000016);
 825                 if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
 826                         nv_error(priv, "fuc09 req 0x16 timeout\n");
 827                         return -EBUSY;
 828                 }
 829
 830                 nv_wr32(priv, 0x409840, 0xffffffff);
 831                 nv_wr32(priv, 0x409500, 0x00000000);
 832                 nv_wr32(priv, 0x409504, 0x00000025);
 833                 if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
 834                         nv_error(priv, "fuc09 req 0x25 timeout\n");
 835                         return -EBUSY;
 836                 }
 837
 838                 if (priv->data == NULL) {
 839                         int ret = nvc0_grctx_generate(priv);
 840                         if (ret) {
 841                                 nv_error(priv, "failed to construct context\n");
 842                                 return ret;
 843                         }
 844                 }
 845
 846                 return 0;
 847         }
 848
 849         /* load HUB microcode */
 850         r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
 851         nv_wr32(priv, 0x4091c0, 0x01000000);
 852         for (i = 0; i < sizeof(nvc0_grhub_data) / 4; i++)
 853                 nv_wr32(priv, 0x4091c4, nvc0_grhub_data[i]);
 854
 855         nv_wr32(priv, 0x409180, 0x01000000);
 856         for (i = 0; i < sizeof(nvc0_grhub_code) / 4; i++) {
 857                 if ((i & 0x3f) == 0)
 858                         nv_wr32(priv, 0x409188, i >> 6);
 859                 nv_wr32(priv, 0x409184, nvc0_grhub_code[i]);
 860         }
 861
 862         /* load GPC microcode */
 863         nv_wr32(priv, 0x41a1c0, 0x01000000);
 864         for (i = 0; i < sizeof(nvc0_grgpc_data) / 4; i++)
 865                 nv_wr32(priv, 0x41a1c4, nvc0_grgpc_data[i]);
 866
 867         nv_wr32(priv, 0x41a180, 0x01000000);
 868         for (i = 0; i < sizeof(nvc0_grgpc_code) / 4; i++) {
 869                 if ((i & 0x3f) == 0)
 870                         nv_wr32(priv, 0x41a188, i >> 6);
 871                 nv_wr32(priv, 0x41a184, nvc0_grgpc_code[i]);
 872         }
 873         nv_wr32(priv, 0x000260, r000260);
 874
 875         /* start HUB ucode running, it'll init the GPCs */
 876         nv_wr32(priv, 0x409800, nv_device(priv)->chipset);
 877         nv_wr32(priv, 0x40910c, 0x00000000);
 878         nv_wr32(priv, 0x409100, 0x00000002);
 879         if (!nv_wait(priv, 0x409800, 0x80000000, 0x80000000)) {
 880                 nv_error(priv, "HUB_INIT timed out\n");
 881                 nvc0_graph_ctxctl_debug(priv);
 882                 return -EBUSY;
 883         }
 884
 885         priv->size = nv_rd32(priv, 0x409804);
 886         if (priv->data == NULL) {
 887                 int ret = nvc0_grctx_generate(priv);
 888                 if (ret) {
 889                         nv_error(priv, "failed to construct context\n");
 890                         return ret;
 891                 }
 892         }
 893
 894         return 0;
 895 }
 896
 897 static int
 898 nvc0_graph_init(struct nouveau_object *object)
 899 {
 900         struct nvc0_graph_priv *priv = (void *)object;
 901         int ret;
 902
 903         ret = nouveau_graph_init(&priv->base);
 904         if (ret)
 905                 return ret;
 906
 907         nvc0_graph_init_obj418880(priv);
 908         nvc0_graph_init_regs(priv);
 909         /*nvc0_graph_init_unitplemented_magics(priv);*/
 910         nvc0_graph_init_gpc_0(priv);
 911         /*nvc0_graph_init_unitplemented_c242(priv);*/
 912
 913         nv_wr32(priv, 0x400500, 0x00010001);
 914         nv_wr32(priv, 0x400100, 0xffffffff);
 915         nv_wr32(priv, 0x40013c, 0xffffffff);
 916
 917         nvc0_graph_init_units(priv);
 918         nvc0_graph_init_gpc_1(priv);
 919         nvc0_graph_init_rop(priv);
 920
 921         nv_wr32(priv, 0x400108, 0xffffffff);
 922         nv_wr32(priv, 0x400138, 0xffffffff);
 923         nv_wr32(priv, 0x400118, 0xffffffff);
 924         nv_wr32(priv, 0x400130, 0xffffffff);
 925         nv_wr32(priv, 0x40011c, 0xffffffff);
 926         nv_wr32(priv, 0x400134, 0xffffffff);
 927         nv_wr32(priv, 0x400054, 0x34ce3464);
 928
 929         ret = nvc0_graph_init_ctxctl(priv);
 930         if (ret)
 931                 return ret;
 932
 933         return 0;
 934 }
 935
 936 struct nouveau_oclass
 937 nvc0_graph_oclass = {
 938         .handle = NV_ENGINE(GR, 0xc0),
 939         .ofuncs = &(struct nouveau_ofuncs) {
 940                 .ctor = nvc0_graph_ctor,
 941                 .dtor = nvc0_graph_dtor,
 942                 .init = nvc0_graph_init,
 943                 .fini = _nouveau_graph_fini,
 944         },
 945 };