drivers/gpu/drm/nouveau/nvc0_graph.c

   1 /*
   2  * Copyright 2010 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 <linux/firmware.h>
  26
  27 #include "drmP.h"
  28
  29 #include "nouveau_drv.h"
  30 #include "nouveau_mm.h"
  31 #include "nvc0_graph.h"
  32
  33 static void nvc0_graph_isr(struct drm_device *);
  34 static int  nvc0_graph_unload_context_to(struct drm_device *dev, u64 chan);
  35
  36 void
  37 nvc0_graph_fifo_access(struct drm_device *dev, bool enabled)
  38 {
  39 }
  40
  41 struct nouveau_channel *
  42 nvc0_graph_channel(struct drm_device *dev)
  43 {
  44         return NULL;
  45 }
  46
  47 static int
  48 nvc0_graph_construct_context(struct nouveau_channel *chan)
  49 {
  50         struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
  51         struct nvc0_graph_priv *priv = dev_priv->engine.graph.priv;
  52         struct nvc0_graph_chan *grch = chan->pgraph_ctx;
  53         struct drm_device *dev = chan->dev;
  54         int ret, i;
  55         u32 *ctx;
  56
  57         ctx = kmalloc(priv->grctx_size, GFP_KERNEL);
  58         if (!ctx)
  59                 return -ENOMEM;
  60
  61         nvc0_graph_load_context(chan);
  62
  63         nv_wo32(grch->grctx, 0x1c, 1);
  64         nv_wo32(grch->grctx, 0x20, 0);
  65         nv_wo32(grch->grctx, 0x28, 0);
  66         nv_wo32(grch->grctx, 0x2c, 0);
  67         dev_priv->engine.instmem.flush(dev);
  68
  69         ret = nvc0_grctx_generate(chan);
  70         if (ret) {
  71                 kfree(ctx);
  72                 return ret;
  73         }
  74
  75         ret = nvc0_graph_unload_context_to(dev, chan->ramin->vinst);
  76         if (ret) {
  77                 kfree(ctx);
  78                 return ret;
  79         }
  80
  81         for (i = 0; i < priv->grctx_size; i += 4)
  82                 ctx[i / 4] = nv_ro32(grch->grctx, i);
  83
  84         priv->grctx_vals = ctx;
  85         return 0;
  86 }
  87
  88 static int
  89 nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
  90 {
  91         struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
  92         struct nvc0_graph_priv *priv = dev_priv->engine.graph.priv;
  93         struct nvc0_graph_chan *grch = chan->pgraph_ctx;
  94         struct drm_device *dev = chan->dev;
  95         int i = 0, gpc, tp, ret;
  96         u32 magic;
  97
  98         ret = nouveau_gpuobj_new(dev, NULL, 0x2000, 256, NVOBJ_FLAG_VM,
  99                                  &grch->unk408004);
 100         if (ret)
 101                 return ret;
 102
 103         ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 256, NVOBJ_FLAG_VM,
 104                                  &grch->unk40800c);
 105         if (ret)
 106                 return ret;
 107
 108         ret = nouveau_gpuobj_new(dev, NULL, 384 * 1024, 4096, NVOBJ_FLAG_VM,
 109                                  &grch->unk418810);
 110         if (ret)
 111                 return ret;
 112
 113         ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 0, NVOBJ_FLAG_VM,
 114                                  &grch->mmio);
 115         if (ret)
 116                 return ret;
 117
 118
 119         nv_wo32(grch->mmio, i++ * 4, 0x00408004);
 120         nv_wo32(grch->mmio, i++ * 4, grch->unk408004->vinst >> 8);
 121         nv_wo32(grch->mmio, i++ * 4, 0x00408008);
 122         nv_wo32(grch->mmio, i++ * 4, 0x80000018);
 123
 124         nv_wo32(grch->mmio, i++ * 4, 0x0040800c);
 125         nv_wo32(grch->mmio, i++ * 4, grch->unk40800c->vinst >> 8);
 126         nv_wo32(grch->mmio, i++ * 4, 0x00408010);
 127         nv_wo32(grch->mmio, i++ * 4, 0x80000000);
 128
 129         nv_wo32(grch->mmio, i++ * 4, 0x00418810);
 130         nv_wo32(grch->mmio, i++ * 4, 0x80000000 | grch->unk418810->vinst >> 12);
 131         nv_wo32(grch->mmio, i++ * 4, 0x00419848);
 132         nv_wo32(grch->mmio, i++ * 4, 0x10000000 | grch->unk418810->vinst >> 12);
 133
 134         nv_wo32(grch->mmio, i++ * 4, 0x00419004);
 135         nv_wo32(grch->mmio, i++ * 4, grch->unk40800c->vinst >> 8);
 136         nv_wo32(grch->mmio, i++ * 4, 0x00419008);
 137         nv_wo32(grch->mmio, i++ * 4, 0x00000000);
 138
 139         nv_wo32(grch->mmio, i++ * 4, 0x00418808);
 140         nv_wo32(grch->mmio, i++ * 4, grch->unk408004->vinst >> 8);
 141         nv_wo32(grch->mmio, i++ * 4, 0x0041880c);
 142         nv_wo32(grch->mmio, i++ * 4, 0x80000018);
 143
 144         magic = 0x02180000;
 145         nv_wo32(grch->mmio, i++ * 4, 0x00405830);
 146         nv_wo32(grch->mmio, i++ * 4, magic);
 147         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
 148                 for (tp = 0; tp < priv->tp_nr[gpc]; tp++, magic += 0x02fc) {
 149                         u32 reg = 0x504520 + (gpc * 0x8000) + (tp * 0x0800);
 150                         nv_wo32(grch->mmio, i++ * 4, reg);
 151                         nv_wo32(grch->mmio, i++ * 4, magic);
 152                 }
 153         }
 154
 155         grch->mmio_nr = i / 2;
 156         return 0;
 157 }
 158
 159 int
 160 nvc0_graph_create_context(struct nouveau_channel *chan)
 161 {
 162         struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
 163         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 164         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 165         struct nvc0_graph_priv *priv = pgraph->priv;
 166         struct nvc0_graph_chan *grch;
 167         struct drm_device *dev = chan->dev;
 168         struct nouveau_gpuobj *grctx;
 169         int ret, i;
 170
 171         chan->pgraph_ctx = kzalloc(sizeof(*grch), GFP_KERNEL);
 172         if (!chan->pgraph_ctx)
 173                 return -ENOMEM;
 174         grch = chan->pgraph_ctx;
 175
 176         ret = nouveau_gpuobj_new(dev, NULL, priv->grctx_size, 256,
 177                                  NVOBJ_FLAG_VM | NVOBJ_FLAG_ZERO_ALLOC,
 178                                  &grch->grctx);
 179         if (ret)
 180                 goto error;
 181         chan->ramin_grctx = grch->grctx;
 182         grctx = grch->grctx;
 183
 184         ret = nvc0_graph_create_context_mmio_list(chan);
 185         if (ret)
 186                 goto error;
 187
 188         nv_wo32(chan->ramin, 0x0210, lower_32_bits(grctx->vinst) | 4);
 189         nv_wo32(chan->ramin, 0x0214, upper_32_bits(grctx->vinst));
 190         pinstmem->flush(dev);
 191
 192         if (!priv->grctx_vals) {
 193                 ret = nvc0_graph_construct_context(chan);
 194                 if (ret)
 195                         goto error;
 196         }
 197
 198         for (i = 0; i < priv->grctx_size; i += 4)
 199                 nv_wo32(grctx, i, priv->grctx_vals[i / 4]);
 200
 201         nv_wo32(grctx, 0xf4, 0);
 202         nv_wo32(grctx, 0xf8, 0);
 203         nv_wo32(grctx, 0x10, grch->mmio_nr);
 204         nv_wo32(grctx, 0x14, lower_32_bits(grch->mmio->vinst));
 205         nv_wo32(grctx, 0x18, upper_32_bits(grch->mmio->vinst));
 206         nv_wo32(grctx, 0x1c, 1);
 207         nv_wo32(grctx, 0x20, 0);
 208         nv_wo32(grctx, 0x28, 0);
 209         nv_wo32(grctx, 0x2c, 0);
 210         pinstmem->flush(dev);
 211         return 0;
 212
 213 error:
 214         pgraph->destroy_context(chan);
 215         return ret;
 216 }
 217
 218 void
 219 nvc0_graph_destroy_context(struct nouveau_channel *chan)
 220 {
 221         struct nvc0_graph_chan *grch;
 222
 223         grch = chan->pgraph_ctx;
 224         chan->pgraph_ctx = NULL;
 225         if (!grch)
 226                 return;
 227
 228         nouveau_gpuobj_ref(NULL, &grch->mmio);
 229         nouveau_gpuobj_ref(NULL, &grch->unk418810);
 230         nouveau_gpuobj_ref(NULL, &grch->unk40800c);
 231         nouveau_gpuobj_ref(NULL, &grch->unk408004);
 232         nouveau_gpuobj_ref(NULL, &grch->grctx);
 233         chan->ramin_grctx = NULL;
 234 }
 235
 236 int
 237 nvc0_graph_load_context(struct nouveau_channel *chan)
 238 {
 239         struct drm_device *dev = chan->dev;
 240
 241         nv_wr32(dev, 0x409840, 0x00000030);
 242         nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
 243         nv_wr32(dev, 0x409504, 0x00000003);
 244         if (!nv_wait(dev, 0x409800, 0x00000010, 0x00000010))
 245                 NV_ERROR(dev, "PGRAPH: load_ctx timeout\n");
 246
 247         printk(KERN_ERR "load_ctx 0x%08x\n", nv_rd32(dev, 0x409b00));
 248         return 0;
 249 }
 250
 251 static int
 252 nvc0_graph_unload_context_to(struct drm_device *dev, u64 chan)
 253 {
 254         nv_wr32(dev, 0x409840, 0x00000003);
 255         nv_wr32(dev, 0x409500, 0x80000000 | chan >> 12);
 256         nv_wr32(dev, 0x409504, 0x00000009);
 257         if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000000)) {
 258                 NV_ERROR(dev, "PGRAPH: unload_ctx timeout\n");
 259                 return -EBUSY;
 260         }
 261
 262         return 0;
 263 }
 264
 265 int
 266 nvc0_graph_unload_context(struct drm_device *dev)
 267 {
 268         u64 inst = (u64)(nv_rd32(dev, 0x409b00) & 0x0fffffff) << 12;
 269         return nvc0_graph_unload_context_to(dev, inst);
 270 }
 271
 272 static void
 273 nvc0_graph_destroy(struct drm_device *dev)
 274 {
 275         struct drm_nouveau_private *dev_priv = dev->dev_private;
 276         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 277         struct nvc0_graph_priv *priv;
 278
 279         priv = pgraph->priv;
 280         if (!priv)
 281                 return;
 282
 283         nouveau_irq_unregister(dev, 12);
 284
 285         nouveau_gpuobj_ref(NULL, &priv->unk4188b8);
 286         nouveau_gpuobj_ref(NULL, &priv->unk4188b4);
 287
 288         if (priv->grctx_vals)
 289                 kfree(priv->grctx_vals);
 290         kfree(priv);
 291 }
 292
 293 void
 294 nvc0_graph_takedown(struct drm_device *dev)
 295 {
 296         nvc0_graph_destroy(dev);
 297 }
 298
 299 static int
 300 nvc0_graph_create(struct drm_device *dev)
 301 {
 302         struct drm_nouveau_private *dev_priv = dev->dev_private;
 303         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 304         struct nvc0_graph_priv *priv;
 305         int ret, gpc, i;
 306
 307         priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 308         if (!priv)
 309                 return -ENOMEM;
 310         pgraph->priv = priv;
 311
 312         ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b4);
 313         if (ret)
 314                 goto error;
 315
 316         ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b8);
 317         if (ret)
 318                 goto error;
 319
 320         for (i = 0; i < 0x1000; i += 4) {
 321                 nv_wo32(priv->unk4188b4, i, 0x00000010);
 322                 nv_wo32(priv->unk4188b8, i, 0x00000010);
 323         }
 324
 325         priv->gpc_nr  =  nv_rd32(dev, 0x409604) & 0x0000001f;
 326         priv->rop_nr = (nv_rd32(dev, 0x409604) & 0x001f0000) >> 16;
 327         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
 328                 priv->tp_nr[gpc] = nv_rd32(dev, GPC_UNIT(gpc, 0x2608));
 329                 priv->tp_total += priv->tp_nr[gpc];
 330         }
 331
 332         /*XXX: these need figuring out... */
 333         switch (dev_priv->chipset) {
 334         case 0xc0:
 335                 if (priv->tp_total == 11) { /* 465, 3/4/4/0, 4 */
 336                         priv->magic_not_rop_nr = 0x07;
 337                         priv->magic419bd0      = 0x0a360000;
 338                         priv->magic419be4      = 0x04c33a54;
 339                         /* filled values up to tp_total, the rest 0 */
 340                         priv->magicgpc980[0]   = 0x22111000;
 341                         priv->magicgpc980[1]   = 0x00000233;
 342                         priv->magicgpc980[2]   = 0x00000000;
 343                         priv->magicgpc980[3]   = 0x00000000;
 344                         priv->magicgpc918      = 0x000ba2e9;
 345                 } else
 346                 if (priv->tp_total == 14) { /* 470, 3/3/4/4, 5 */
 347                         priv->magic_not_rop_nr = 0x05;
 348                         priv->magic419bd0      = 0x043c0000;
 349                         priv->magic419be4      = 0x09041208;
 350                         priv->magicgpc980[0]   = 0x11110000;
 351                         priv->magicgpc980[1]   = 0x00233222;
 352                         priv->magicgpc980[2]   = 0x00000000;
 353                         priv->magicgpc980[3]   = 0x00000000;
 354                         priv->magicgpc918      = 0x00092493;
 355                 } else
 356                 if (priv->tp_total == 15) { /* 480, 3/4/4/4, 6 */
 357                         priv->magic_not_rop_nr = 0x06;
 358                         priv->magic419bd0      = 0x023e0000;
 359                         priv->magic419be4      = 0x10414104;
 360                         priv->magicgpc980[0]   = 0x11110000;
 361                         priv->magicgpc980[1]   = 0x03332222;
 362                         priv->magicgpc980[2]   = 0x00000000;
 363                         priv->magicgpc980[3]   = 0x00000000;
 364                         priv->magicgpc918      = 0x00088889;
 365                 }
 366                 break;
 367         case 0xc3: /* 450, 4/0/0/0, 2 */
 368                 priv->magic_not_rop_nr = 0x03;
 369                 priv->magic419bd0      = 0x00500000;
 370                 priv->magic419be4      = 0x00000000;
 371                 priv->magicgpc980[0]   = 0x00003210;
 372                 priv->magicgpc980[1]   = 0x00000000;
 373                 priv->magicgpc980[2]   = 0x00000000;
 374                 priv->magicgpc980[3]   = 0x00000000;
 375                 priv->magicgpc918      = 0x00200000;
 376                 break;
 377         case 0xc4: /* 460, 3/4/0/0, 4 */
 378                 priv->magic_not_rop_nr = 0x01;
 379                 priv->magic419bd0      = 0x045c0000;
 380                 priv->magic419be4      = 0x09041208;
 381                 priv->magicgpc980[0]   = 0x02321100;
 382                 priv->magicgpc980[1]   = 0x00000000;
 383                 priv->magicgpc980[2]   = 0x00000000;
 384                 priv->magicgpc980[3]   = 0x00000000;
 385                 priv->magicgpc918      = 0x00124925;
 386                 break;
 387         }
 388
 389         if (!priv->magic419bd0) {
 390                 NV_ERROR(dev, "PGRAPH: unknown config: %d/%d/%d/%d, %d\n",
 391                          priv->tp_nr[0], priv->tp_nr[1], priv->tp_nr[2],
 392                          priv->tp_nr[3], priv->rop_nr);
 393                 /* use 0xc3's values... */
 394                 priv->magic_not_rop_nr = 0x03;
 395                 priv->magic419bd0      = 0x00500000;
 396                 priv->magic419be4      = 0x00000000;
 397                 priv->magicgpc980[0]   = 0x00003210;
 398                 priv->magicgpc980[1]   = 0x00000000;
 399                 priv->magicgpc980[2]   = 0x00000000;
 400                 priv->magicgpc980[3]   = 0x00000000;
 401                 priv->magicgpc918      = 0x00200000;
 402         }
 403
 404         nouveau_irq_register(dev, 12, nvc0_graph_isr);
 405         NVOBJ_CLASS(dev, 0x902d, GR); /* 2D */
 406         NVOBJ_CLASS(dev, 0x9039, GR); /* M2MF */
 407         NVOBJ_CLASS(dev, 0x9097, GR); /* 3D */
 408         NVOBJ_CLASS(dev, 0x90c0, GR); /* COMPUTE */
 409         return 0;
 410
 411 error:
 412         nvc0_graph_destroy(dev);
 413         return ret;
 414 }
 415
 416 static void
 417 nvc0_graph_init_obj418880(struct drm_device *dev)
 418 {
 419         struct drm_nouveau_private *dev_priv = dev->dev_private;
 420         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 421         struct nvc0_graph_priv *priv = pgraph->priv;
 422         int i;
 423
 424         nv_wr32(dev, GPC_BCAST(0x0880), 0x00000000);
 425         nv_wr32(dev, GPC_BCAST(0x08a4), 0x00000000);
 426         for (i = 0; i < 4; i++)
 427                 nv_wr32(dev, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
 428         nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->vinst >> 8);
 429         nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->vinst >> 8);
 430 }
 431
 432 static void
 433 nvc0_graph_init_regs(struct drm_device *dev)
 434 {
 435         nv_wr32(dev, 0x400080, 0x003083c2);
 436         nv_wr32(dev, 0x400088, 0x00006fe7);
 437         nv_wr32(dev, 0x40008c, 0x00000000);
 438         nv_wr32(dev, 0x400090, 0x00000030);
 439         nv_wr32(dev, 0x40013c, 0x013901f7);
 440         nv_wr32(dev, 0x400140, 0x00000100);
 441         nv_wr32(dev, 0x400144, 0x00000000);
 442         nv_wr32(dev, 0x400148, 0x00000110);
 443         nv_wr32(dev, 0x400138, 0x00000000);
 444         nv_wr32(dev, 0x400130, 0x00000000);
 445         nv_wr32(dev, 0x400134, 0x00000000);
 446         nv_wr32(dev, 0x400124, 0x00000002);
 447 }
 448
 449 static void
 450 nvc0_graph_init_gpc_0(struct drm_device *dev)
 451 {
 452         struct drm_nouveau_private *dev_priv = dev->dev_private;
 453         struct nvc0_graph_priv *priv = dev_priv->engine.graph.priv;
 454         int gpc;
 455
 456         //      TP      ROP UNKVAL(magic_not_rop_nr)
 457         // 450: 4/0/0/0 2        3
 458         // 460: 3/4/0/0 4        1
 459         // 465: 3/4/4/0 4        7
 460         // 470: 3/3/4/4 5        5
 461         // 480: 3/4/4/4 6        6
 462
 463         // magicgpc918
 464         // 450: 00200000 00000000001000000000000000000000
 465         // 460: 00124925 00000000000100100100100100100101
 466         // 465: 000ba2e9 00000000000010111010001011101001
 467         // 470: 00092493 00000000000010010010010010010011
 468         // 480: 00088889 00000000000010001000100010001001
 469
 470         /* filled values up to tp_total, remainder 0 */
 471         // 450: 00003210 00000000 00000000 00000000
 472         // 460: 02321100 00000000 00000000 00000000
 473         // 465: 22111000 00000233 00000000 00000000
 474         // 470: 11110000 00233222 00000000 00000000
 475         // 480: 11110000 03332222 00000000 00000000
 476
 477         nv_wr32(dev, GPC_BCAST(0x0980), priv->magicgpc980[0]);
 478         nv_wr32(dev, GPC_BCAST(0x0984), priv->magicgpc980[1]);
 479         nv_wr32(dev, GPC_BCAST(0x0988), priv->magicgpc980[2]);
 480         nv_wr32(dev, GPC_BCAST(0x098c), priv->magicgpc980[3]);
 481
 482         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
 483                 nv_wr32(dev, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
 484                                                   priv->tp_nr[gpc]);
 485                 nv_wr32(dev, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tp_total);
 486                 nv_wr32(dev, GPC_UNIT(gpc, 0x0918), priv->magicgpc918);
 487         }
 488
 489         nv_wr32(dev, GPC_BCAST(0x1bd4), priv->magicgpc918);
 490         nv_wr32(dev, GPC_BCAST(0x08ac), priv->rop_nr);
 491 }
 492
 493 static void
 494 nvc0_graph_init_units(struct drm_device *dev)
 495 {
 496         nv_wr32(dev, 0x409c24, 0x000f0000);
 497         nv_wr32(dev, 0x404000, 0xc0000000); /* DISPATCH */
 498         nv_wr32(dev, 0x404600, 0xc0000000); /* M2MF */
 499         nv_wr32(dev, 0x408030, 0xc0000000);
 500         nv_wr32(dev, 0x40601c, 0xc0000000);
 501         nv_wr32(dev, 0x404490, 0xc0000000); /* MACRO */
 502         nv_wr32(dev, 0x406018, 0xc0000000);
 503         nv_wr32(dev, 0x405840, 0xc0000000);
 504         nv_wr32(dev, 0x405844, 0x00ffffff);
 505         nv_mask(dev, 0x419cc0, 0x00000008, 0x00000008);
 506         nv_mask(dev, 0x419eb4, 0x00001000, 0x00001000);
 507 }
 508
 509 static void
 510 nvc0_graph_init_gpc_1(struct drm_device *dev)
 511 {
 512         struct drm_nouveau_private *dev_priv = dev->dev_private;
 513         struct nvc0_graph_priv *priv = dev_priv->engine.graph.priv;
 514         int gpc, tp;
 515
 516         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
 517                 nv_wr32(dev, GPC_UNIT(gpc, 0x0420), 0xc0000000);
 518                 nv_wr32(dev, GPC_UNIT(gpc, 0x0900), 0xc0000000);
 519                 nv_wr32(dev, GPC_UNIT(gpc, 0x1028), 0xc0000000);
 520                 nv_wr32(dev, GPC_UNIT(gpc, 0x0824), 0xc0000000);
 521                 for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
 522                         nv_wr32(dev, TP_UNIT(gpc, tp, 0x508), 0xffffffff);
 523                         nv_wr32(dev, TP_UNIT(gpc, tp, 0x50c), 0xffffffff);
 524                         nv_wr32(dev, TP_UNIT(gpc, tp, 0x224), 0xc0000000);
 525                         nv_wr32(dev, TP_UNIT(gpc, tp, 0x48c), 0xc0000000);
 526                         nv_wr32(dev, TP_UNIT(gpc, tp, 0x084), 0xc0000000);
 527                         nv_wr32(dev, TP_UNIT(gpc, tp, 0xe44), 0x001ffffe);
 528                         nv_wr32(dev, TP_UNIT(gpc, tp, 0xe4c), 0x0000000f);
 529                 }
 530                 nv_wr32(dev, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
 531                 nv_wr32(dev, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
 532         }
 533 }
 534
 535 static void
 536 nvc0_graph_init_rop(struct drm_device *dev)
 537 {
 538         struct drm_nouveau_private *dev_priv = dev->dev_private;
 539         struct nvc0_graph_priv *priv = dev_priv->engine.graph.priv;
 540         int rop;
 541
 542         for (rop = 0; rop < priv->rop_nr; rop++) {
 543                 nv_wr32(dev, ROP_UNIT(rop, 0x144), 0xc0000000);
 544                 nv_wr32(dev, ROP_UNIT(rop, 0x070), 0xc0000000);
 545                 nv_wr32(dev, ROP_UNIT(rop, 0x204), 0xffffffff);
 546                 nv_wr32(dev, ROP_UNIT(rop, 0x208), 0xffffffff);
 547         }
 548 }
 549
 550 static int
 551 nvc0_fuc_load_fw(struct drm_device *dev, u32 fuc_base,
 552                  const char *code_fw, const char *data_fw)
 553 {
 554         const struct firmware *fw;
 555         char name[32];
 556         int ret, i;
 557
 558         snprintf(name, sizeof(name), "nouveau/%s", data_fw);
 559         ret = request_firmware(&fw, name, &dev->pdev->dev);
 560         if (ret) {
 561                 NV_ERROR(dev, "failed to load %s\n", data_fw);
 562                 return ret;
 563         }
 564
 565         nv_wr32(dev, fuc_base + 0x01c0, 0x01000000);
 566         for (i = 0; i < fw->size / 4; i++)
 567                 nv_wr32(dev, fuc_base + 0x01c4, ((u32 *)fw->data)[i]);
 568         release_firmware(fw);
 569
 570         snprintf(name, sizeof(name), "nouveau/%s", code_fw);
 571         ret = request_firmware(&fw, name, &dev->pdev->dev);
 572         if (ret) {
 573                 NV_ERROR(dev, "failed to load %s\n", code_fw);
 574                 return ret;
 575         }
 576
 577         nv_wr32(dev, fuc_base + 0x0180, 0x01000000);
 578         for (i = 0; i < fw->size / 4; i++) {
 579                 if ((i & 0x3f) == 0)
 580                         nv_wr32(dev, fuc_base + 0x0188, i >> 6);
 581                 nv_wr32(dev, fuc_base + 0x0184, ((u32 *)fw->data)[i]);
 582         }
 583         release_firmware(fw);
 584
 585         return 0;
 586 }
 587
 588 static int
 589 nvc0_graph_init_ctxctl(struct drm_device *dev)
 590 {
 591         struct drm_nouveau_private *dev_priv = dev->dev_private;
 592         struct nvc0_graph_priv *priv = dev_priv->engine.graph.priv;
 593         u32 r000260;
 594         int ret;
 595
 596         /* load fuc microcode */
 597         r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
 598         ret = nvc0_fuc_load_fw(dev, 0x409000, "fuc409c", "fuc409d");
 599         if (ret == 0)
 600                 nvc0_fuc_load_fw(dev, 0x41a000, "fuc41ac", "fuc41ad");
 601         nv_wr32(dev, 0x000260, r000260);
 602
 603         if (ret)
 604                 return ret;
 605
 606         /* start both of them running */
 607         nv_wr32(dev, 0x409840, 0xffffffff);
 608         nv_wr32(dev, 0x41a10c, 0x00000000);
 609         nv_wr32(dev, 0x40910c, 0x00000000);
 610         nv_wr32(dev, 0x41a100, 0x00000002);
 611         nv_wr32(dev, 0x409100, 0x00000002);
 612         if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000001))
 613                 NV_INFO(dev, "0x409800 wait failed\n");
 614
 615         nv_wr32(dev, 0x409840, 0xffffffff);
 616         nv_wr32(dev, 0x409500, 0x7fffffff);
 617         nv_wr32(dev, 0x409504, 0x00000021);
 618
 619         nv_wr32(dev, 0x409840, 0xffffffff);
 620         nv_wr32(dev, 0x409500, 0x00000000);
 621         nv_wr32(dev, 0x409504, 0x00000010);
 622         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
 623                 NV_ERROR(dev, "fuc09 req 0x10 timeout\n");
 624                 return -EBUSY;
 625         }
 626         priv->grctx_size = nv_rd32(dev, 0x409800);
 627
 628         nv_wr32(dev, 0x409840, 0xffffffff);
 629         nv_wr32(dev, 0x409500, 0x00000000);
 630         nv_wr32(dev, 0x409504, 0x00000016);
 631         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
 632                 NV_ERROR(dev, "fuc09 req 0x16 timeout\n");
 633                 return -EBUSY;
 634         }
 635
 636         nv_wr32(dev, 0x409840, 0xffffffff);
 637         nv_wr32(dev, 0x409500, 0x00000000);
 638         nv_wr32(dev, 0x409504, 0x00000025);
 639         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
 640                 NV_ERROR(dev, "fuc09 req 0x25 timeout\n");
 641                 return -EBUSY;
 642         }
 643
 644         return 0;
 645 }
 646
 647 int
 648 nvc0_graph_init(struct drm_device *dev)
 649 {
 650         struct drm_nouveau_private *dev_priv = dev->dev_private;
 651         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 652         struct nvc0_graph_priv *priv;
 653         int ret;
 654
 655         dev_priv->engine.graph.accel_blocked = true;
 656
 657         switch (dev_priv->chipset) {
 658         case 0xc0:
 659         case 0xc3:
 660         case 0xc4:
 661                 break;
 662         default:
 663                 NV_ERROR(dev, "PGRAPH: unsupported chipset, please report!\n");
 664                 if (nouveau_noaccel != 0)
 665                         return 0;
 666                 break;
 667         }
 668
 669         nv_mask(dev, 0x000200, 0x18001000, 0x00000000);
 670         nv_mask(dev, 0x000200, 0x18001000, 0x18001000);
 671
 672         if (!pgraph->priv) {
 673                 ret = nvc0_graph_create(dev);
 674                 if (ret)
 675                         return ret;
 676         }
 677         priv = pgraph->priv;
 678
 679         nvc0_graph_init_obj418880(dev);
 680         nvc0_graph_init_regs(dev);
 681         //nvc0_graph_init_unitplemented_magics(dev);
 682         nvc0_graph_init_gpc_0(dev);
 683         //nvc0_graph_init_unitplemented_c242(dev);
 684
 685         nv_wr32(dev, 0x400500, 0x00010001);
 686         nv_wr32(dev, 0x400100, 0xffffffff);
 687         nv_wr32(dev, 0x40013c, 0xffffffff);
 688
 689         nvc0_graph_init_units(dev);
 690         nvc0_graph_init_gpc_1(dev);
 691         nvc0_graph_init_rop(dev);
 692
 693         nv_wr32(dev, 0x400108, 0xffffffff);
 694         nv_wr32(dev, 0x400138, 0xffffffff);
 695         nv_wr32(dev, 0x400118, 0xffffffff);
 696         nv_wr32(dev, 0x400130, 0xffffffff);
 697         nv_wr32(dev, 0x40011c, 0xffffffff);
 698         nv_wr32(dev, 0x400134, 0xffffffff);
 699         nv_wr32(dev, 0x400054, 0x34ce3464);
 700
 701         ret = nvc0_graph_init_ctxctl(dev);
 702         if (ret)
 703                 return ret;
 704
 705         dev_priv->engine.graph.accel_blocked = false;
 706         return 0;
 707 }
 708
 709 static struct nouveau_enum nvc0_graph_data_error[] = {
 710         { 5, "INVALID_ENUM" },
 711         {}
 712 };
 713
 714 static int
 715 nvc0_graph_isr_chid(struct drm_device *dev, u64 inst)
 716 {
 717         struct drm_nouveau_private *dev_priv = dev->dev_private;
 718         struct nouveau_channel *chan;
 719         unsigned long flags;
 720         int i;
 721
 722         spin_lock_irqsave(&dev_priv->channels.lock, flags);
 723         for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
 724                 chan = dev_priv->channels.ptr[i];
 725                 if (!chan || !chan->ramin)
 726                         continue;
 727
 728                 if (inst == chan->ramin->vinst)
 729                         break;
 730         }
 731         spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
 732         return i;
 733 }
 734
 735 static void
 736 nvc0_graph_isr(struct drm_device *dev)
 737 {
 738         u64 inst = (u64)(nv_rd32(dev, 0x409b00) & 0x0fffffff) << 12;
 739         u32 chid = nvc0_graph_isr_chid(dev, inst);
 740         u32 stat = nv_rd32(dev, 0x400100);
 741         u32 addr = nv_rd32(dev, 0x400704);
 742         u32 mthd = (addr & 0x00003ffc);
 743         u32 subc = (addr & 0x00070000) >> 16;
 744         u32 data = nv_rd32(dev, 0x400708);
 745         u32 code = nv_rd32(dev, 0x400110);
 746         u32 class = nv_rd32(dev, 0x404200 + (subc * 4));
 747
 748         if (stat & 0x00000010) {
 749                 NV_INFO(dev, "PGRAPH: ILLEGAL_MTHD ch %d [0x%010llx] subc %d "
 750                              "class 0x%04x mthd 0x%04x data 0x%08x\n",
 751                         chid, inst, subc, class, mthd, data);
 752                 nv_wr32(dev, 0x400100, 0x00000010);
 753                 stat &= ~0x00000010;
 754         }
 755
 756         if (stat & 0x00100000) {
 757                 NV_INFO(dev, "PGRAPH: DATA_ERROR [");
 758                 nouveau_enum_print(nvc0_graph_data_error, code);
 759                 printk("] ch %d [0x%010llx] subc %d class 0x%04x "
 760                        "mthd 0x%04x data 0x%08x\n",
 761                        chid, inst, subc, class, mthd, data);
 762                 nv_wr32(dev, 0x400100, 0x00100000);
 763                 stat &= ~0x00100000;
 764         }
 765
 766         if (stat & 0x00080000) {
 767                 u32 ustat = nv_rd32(dev, 0x409c18);
 768
 769                 NV_INFO(dev, "PGRAPH: CTXCTRL ustat 0x%08x\n", ustat);
 770
 771                 nv_wr32(dev, 0x409c20, ustat);
 772                 nv_wr32(dev, 0x400100, 0x00080000);
 773                 stat &= ~0x00080000;
 774         }
 775
 776         if (stat) {
 777                 NV_INFO(dev, "PGRAPH: unknown stat 0x%08x\n", stat);
 778                 nv_wr32(dev, 0x400100, stat);
 779         }
 780
 781         nv_wr32(dev, 0x400500, 0x00010001);
 782 }