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[karo-tx-linux.git] / 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_intr(struct nouveau_subdev *subdev)
228 {
229         struct nvc0_graph_priv *priv = (void *)subdev;
230         struct nouveau_engine *engine = nv_engine(subdev);
231         struct nouveau_handle *handle = NULL;
232         u64 inst = (u64)(nv_rd32(priv, 0x409b00) & 0x0fffffff) << 12;
233         u32 stat = nv_rd32(priv, 0x400100);
234         u32 addr = nv_rd32(priv, 0x400704);
235         u32 mthd = (addr & 0x00003ffc);
236         u32 subc = (addr & 0x00070000) >> 16;
237         u32 data = nv_rd32(priv, 0x400708);
238         u32 code = nv_rd32(priv, 0x400110);
239         u32 class = nv_rd32(priv, 0x404200 + (subc * 4));
240
241         if (stat & 0x00000010) {
242                 handle = nouveau_engctx_lookup_class(engine, inst, class);
243                 if (!handle || nv_call(handle->object, mthd, data)) {
244                         nv_error(priv, "ILLEGAL_MTHD ch 0x%010llx "
245                                      "subc %d class 0x%04x mthd 0x%04x "
246                                      "data 0x%08x\n",
247                                  inst, subc, class, mthd, data);
248                 }
249                 nouveau_engctx_handle_put(handle);
250                 nv_wr32(priv, 0x400100, 0x00000010);
251                 stat &= ~0x00000010;
252         }
253
254         if (stat & 0x00000020) {
255                 nv_error(priv, "ILLEGAL_CLASS ch 0x%010llx subc %d "
256                              "class 0x%04x mthd 0x%04x data 0x%08x\n",
257                         inst, subc, class, mthd, data);
258                 nv_wr32(priv, 0x400100, 0x00000020);
259                 stat &= ~0x00000020;
260         }
261
262         if (stat & 0x00100000) {
263                 nv_error(priv, "DATA_ERROR [");
264                 nouveau_enum_print(nv50_data_error_names, code);
265                 printk("] ch 0x%010llx subc %d class 0x%04x "
266                        "mthd 0x%04x data 0x%08x\n",
267                        inst, subc, class, mthd, data);
268                 nv_wr32(priv, 0x400100, 0x00100000);
269                 stat &= ~0x00100000;
270         }
271
272         if (stat & 0x00200000) {
273                 u32 trap = nv_rd32(priv, 0x400108);
274                 nv_error(priv, "TRAP ch 0x%010llx status 0x%08x\n", inst, trap);
275                 nv_wr32(priv, 0x400108, trap);
276                 nv_wr32(priv, 0x400100, 0x00200000);
277                 stat &= ~0x00200000;
278         }
279
280         if (stat & 0x00080000) {
281                 nvc0_graph_ctxctl_isr(priv);
282                 nv_wr32(priv, 0x400100, 0x00080000);
283                 stat &= ~0x00080000;
284         }
285
286         if (stat) {
287                 nv_error(priv, "unknown stat 0x%08x\n", stat);
288                 nv_wr32(priv, 0x400100, stat);
289         }
290
291         nv_wr32(priv, 0x400500, 0x00010001);
292 }
293
294 int
295 nvc0_graph_ctor_fw(struct nvc0_graph_priv *priv, const char *fwname,
296                    struct nvc0_graph_fuc *fuc)
297 {
298         struct nouveau_device *device = nv_device(priv);
299         const struct firmware *fw;
300         char f[32];
301         int ret;
302
303         snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, fwname);
304         ret = request_firmware(&fw, f, &device->pdev->dev);
305         if (ret) {
306                 snprintf(f, sizeof(f), "nouveau/%s", fwname);
307                 ret = request_firmware(&fw, f, &device->pdev->dev);
308                 if (ret) {
309                         nv_error(priv, "failed to load %s\n", fwname);
310                         return ret;
311                 }
312         }
313
314         fuc->size = fw->size;
315         fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
316         release_firmware(fw);
317         return (fuc->data != NULL) ? 0 : -ENOMEM;
318 }
319
320 static int
321 nvc0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
322                 struct nouveau_oclass *oclass, void *data, u32 size,
323                 struct nouveau_object **pobject)
324 {
325         struct nouveau_device *device = nv_device(parent);
326         struct nvc0_graph_priv *priv;
327         bool enable = true;
328         int ret, i;
329
330         switch (device->chipset) {
331         case 0xd9: /* known broken without binary driver firmware */
332                 enable = false;
333                 break;
334         default:
335                 break;
336         }
337
338         ret = nouveau_graph_create(parent, engine, oclass, enable, &priv);
339         *pobject = nv_object(priv);
340         if (ret)
341                 return ret;
342
343         nv_subdev(priv)->unit = 0x18001000;
344         nv_subdev(priv)->intr = nvc0_graph_intr;
345         nv_engine(priv)->cclass = &nvc0_graph_cclass;
346
347         if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", false)) {
348                 nv_info(priv, "using external firmware\n");
349                 if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
350                     nvc0_graph_ctor_fw(priv, "fuc409d", &priv->fuc409d) ||
351                     nvc0_graph_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) ||
352                     nvc0_graph_ctor_fw(priv, "fuc41ad", &priv->fuc41ad))
353                         return -EINVAL;
354                 priv->firmware = true;
355         }
356
357         switch (nvc0_graph_class(priv)) {
358         case 0x9097:
359                 nv_engine(priv)->sclass = nvc0_graph_sclass;
360                 break;
361         case 0x9197:
362                 nv_engine(priv)->sclass = nvc1_graph_sclass;
363                 break;
364         case 0x9297:
365                 nv_engine(priv)->sclass = nvc8_graph_sclass;
366                 break;
367         }
368
369         ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b4);
370         if (ret)
371                 return ret;
372
373         ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 256, 0, &priv->unk4188b8);
374         if (ret)
375                 return ret;
376
377         for (i = 0; i < 0x1000; i += 4) {
378                 nv_wo32(priv->unk4188b4, i, 0x00000010);
379                 nv_wo32(priv->unk4188b8, i, 0x00000010);
380         }
381
382         priv->rop_nr = (nv_rd32(priv, 0x409604) & 0x001f0000) >> 16;
383         priv->gpc_nr =  nv_rd32(priv, 0x409604) & 0x0000001f;
384         for (i = 0; i < priv->gpc_nr; i++) {
385                 priv->tpc_nr[i]  = nv_rd32(priv, GPC_UNIT(i, 0x2608));
386                 priv->tpc_total += priv->tpc_nr[i];
387         }
388
389         /*XXX: these need figuring out... though it might not even matter */
390         switch (nv_device(priv)->chipset) {
391         case 0xc0:
392                 if (priv->tpc_total == 11) { /* 465, 3/4/4/0, 4 */
393                         priv->magic_not_rop_nr = 0x07;
394                 } else
395                 if (priv->tpc_total == 14) { /* 470, 3/3/4/4, 5 */
396                         priv->magic_not_rop_nr = 0x05;
397                 } else
398                 if (priv->tpc_total == 15) { /* 480, 3/4/4/4, 6 */
399                         priv->magic_not_rop_nr = 0x06;
400                 }
401                 break;
402         case 0xc3: /* 450, 4/0/0/0, 2 */
403                 priv->magic_not_rop_nr = 0x03;
404                 break;
405         case 0xc4: /* 460, 3/4/0/0, 4 */
406                 priv->magic_not_rop_nr = 0x01;
407                 break;
408         case 0xc1: /* 2/0/0/0, 1 */
409                 priv->magic_not_rop_nr = 0x01;
410                 break;
411         case 0xc8: /* 4/4/3/4, 5 */
412                 priv->magic_not_rop_nr = 0x06;
413                 break;
414         case 0xce: /* 4/4/0/0, 4 */
415                 priv->magic_not_rop_nr = 0x03;
416                 break;
417         case 0xcf: /* 4/0/0/0, 3 */
418                 priv->magic_not_rop_nr = 0x03;
419                 break;
420         case 0xd9: /* 1/0/0/0, 1 */
421                 priv->magic_not_rop_nr = 0x01;
422                 break;
423         }
424
425         return 0;
426 }
427
428 static void
429 nvc0_graph_dtor_fw(struct nvc0_graph_fuc *fuc)
430 {
431         if (fuc->data) {
432                 kfree(fuc->data);
433                 fuc->data = NULL;
434         }
435 }
436
437 void
438 nvc0_graph_dtor(struct nouveau_object *object)
439 {
440         struct nvc0_graph_priv *priv = (void *)object;
441
442         if (priv->data)
443                 kfree(priv->data);
444
445         nvc0_graph_dtor_fw(&priv->fuc409c);
446         nvc0_graph_dtor_fw(&priv->fuc409d);
447         nvc0_graph_dtor_fw(&priv->fuc41ac);
448         nvc0_graph_dtor_fw(&priv->fuc41ad);
449
450         nouveau_gpuobj_ref(NULL, &priv->unk4188b8);
451         nouveau_gpuobj_ref(NULL, &priv->unk4188b4);
452
453         nouveau_graph_destroy(&priv->base);
454 }
455
456 static void
457 nvc0_graph_init_obj418880(struct nvc0_graph_priv *priv)
458 {
459         int i;
460
461         nv_wr32(priv, GPC_BCAST(0x0880), 0x00000000);
462         nv_wr32(priv, GPC_BCAST(0x08a4), 0x00000000);
463         for (i = 0; i < 4; i++)
464                 nv_wr32(priv, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
465         nv_wr32(priv, GPC_BCAST(0x08b4), priv->unk4188b4->addr >> 8);
466         nv_wr32(priv, GPC_BCAST(0x08b8), priv->unk4188b8->addr >> 8);
467 }
468
469 static void
470 nvc0_graph_init_regs(struct nvc0_graph_priv *priv)
471 {
472         nv_wr32(priv, 0x400080, 0x003083c2);
473         nv_wr32(priv, 0x400088, 0x00006fe7);
474         nv_wr32(priv, 0x40008c, 0x00000000);
475         nv_wr32(priv, 0x400090, 0x00000030);
476         nv_wr32(priv, 0x40013c, 0x013901f7);
477         nv_wr32(priv, 0x400140, 0x00000100);
478         nv_wr32(priv, 0x400144, 0x00000000);
479         nv_wr32(priv, 0x400148, 0x00000110);
480         nv_wr32(priv, 0x400138, 0x00000000);
481         nv_wr32(priv, 0x400130, 0x00000000);
482         nv_wr32(priv, 0x400134, 0x00000000);
483         nv_wr32(priv, 0x400124, 0x00000002);
484 }
485
486 static void
487 nvc0_graph_init_gpc_0(struct nvc0_graph_priv *priv)
488 {
489         const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tpc_total);
490         u32 data[TPC_MAX / 8];
491         u8  tpcnr[GPC_MAX];
492         int i, gpc, tpc;
493
494         nv_wr32(priv, TPC_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
495
496         /*
497          *      TP      ROP UNKVAL(magic_not_rop_nr)
498          * 450: 4/0/0/0 2        3
499          * 460: 3/4/0/0 4        1
500          * 465: 3/4/4/0 4        7
501          * 470: 3/3/4/4 5        5
502          * 480: 3/4/4/4 6        6
503          */
504
505         memset(data, 0x00, sizeof(data));
506         memcpy(tpcnr, priv->tpc_nr, sizeof(priv->tpc_nr));
507         for (i = 0, gpc = -1; i < priv->tpc_total; i++) {
508                 do {
509                         gpc = (gpc + 1) % priv->gpc_nr;
510                 } while (!tpcnr[gpc]);
511                 tpc = priv->tpc_nr[gpc] - tpcnr[gpc]--;
512
513                 data[i / 8] |= tpc << ((i % 8) * 4);
514         }
515
516         nv_wr32(priv, GPC_BCAST(0x0980), data[0]);
517         nv_wr32(priv, GPC_BCAST(0x0984), data[1]);
518         nv_wr32(priv, GPC_BCAST(0x0988), data[2]);
519         nv_wr32(priv, GPC_BCAST(0x098c), data[3]);
520
521         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
522                 nv_wr32(priv, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
523                                                   priv->tpc_nr[gpc]);
524                 nv_wr32(priv, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tpc_total);
525                 nv_wr32(priv, GPC_UNIT(gpc, 0x0918), magicgpc918);
526         }
527
528         nv_wr32(priv, GPC_BCAST(0x1bd4), magicgpc918);
529         nv_wr32(priv, GPC_BCAST(0x08ac), nv_rd32(priv, 0x100800));
530 }
531
532 static void
533 nvc0_graph_init_units(struct nvc0_graph_priv *priv)
534 {
535         nv_wr32(priv, 0x409c24, 0x000f0000);
536         nv_wr32(priv, 0x404000, 0xc0000000); /* DISPATCH */
537         nv_wr32(priv, 0x404600, 0xc0000000); /* M2MF */
538         nv_wr32(priv, 0x408030, 0xc0000000);
539         nv_wr32(priv, 0x40601c, 0xc0000000);
540         nv_wr32(priv, 0x404490, 0xc0000000); /* MACRO */
541         nv_wr32(priv, 0x406018, 0xc0000000);
542         nv_wr32(priv, 0x405840, 0xc0000000);
543         nv_wr32(priv, 0x405844, 0x00ffffff);
544         nv_mask(priv, 0x419cc0, 0x00000008, 0x00000008);
545         nv_mask(priv, 0x419eb4, 0x00001000, 0x00001000);
546 }
547
548 static void
549 nvc0_graph_init_gpc_1(struct nvc0_graph_priv *priv)
550 {
551         int gpc, tpc;
552
553         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
554                 nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
555                 nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
556                 nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
557                 nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
558                 for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
559                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
560                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
561                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
562                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
563                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
564                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
565                         nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
566                 }
567                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
568                 nv_wr32(priv, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
569         }
570 }
571
572 static void
573 nvc0_graph_init_rop(struct nvc0_graph_priv *priv)
574 {
575         int rop;
576
577         for (rop = 0; rop < priv->rop_nr; rop++) {
578                 nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
579                 nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
580                 nv_wr32(priv, ROP_UNIT(rop, 0x204), 0xffffffff);
581                 nv_wr32(priv, ROP_UNIT(rop, 0x208), 0xffffffff);
582         }
583 }
584
585 void
586 nvc0_graph_init_fw(struct nvc0_graph_priv *priv, u32 fuc_base,
587                    struct nvc0_graph_fuc *code, struct nvc0_graph_fuc *data)
588 {
589         int i;
590
591         nv_wr32(priv, fuc_base + 0x01c0, 0x01000000);
592         for (i = 0; i < data->size / 4; i++)
593                 nv_wr32(priv, fuc_base + 0x01c4, data->data[i]);
594
595         nv_wr32(priv, fuc_base + 0x0180, 0x01000000);
596         for (i = 0; i < code->size / 4; i++) {
597                 if ((i & 0x3f) == 0)
598                         nv_wr32(priv, fuc_base + 0x0188, i >> 6);
599                 nv_wr32(priv, fuc_base + 0x0184, code->data[i]);
600         }
601 }
602
603 static int
604 nvc0_graph_init_ctxctl(struct nvc0_graph_priv *priv)
605 {
606         u32 r000260;
607         int i;
608
609         if (priv->firmware) {
610                 /* load fuc microcode */
611                 r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
612                 nvc0_graph_init_fw(priv, 0x409000, &priv->fuc409c,
613                                                    &priv->fuc409d);
614                 nvc0_graph_init_fw(priv, 0x41a000, &priv->fuc41ac,
615                                                    &priv->fuc41ad);
616                 nv_wr32(priv, 0x000260, r000260);
617
618                 /* start both of them running */
619                 nv_wr32(priv, 0x409840, 0xffffffff);
620                 nv_wr32(priv, 0x41a10c, 0x00000000);
621                 nv_wr32(priv, 0x40910c, 0x00000000);
622                 nv_wr32(priv, 0x41a100, 0x00000002);
623                 nv_wr32(priv, 0x409100, 0x00000002);
624                 if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000001))
625                         nv_info(priv, "0x409800 wait failed\n");
626
627                 nv_wr32(priv, 0x409840, 0xffffffff);
628                 nv_wr32(priv, 0x409500, 0x7fffffff);
629                 nv_wr32(priv, 0x409504, 0x00000021);
630
631                 nv_wr32(priv, 0x409840, 0xffffffff);
632                 nv_wr32(priv, 0x409500, 0x00000000);
633                 nv_wr32(priv, 0x409504, 0x00000010);
634                 if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
635                         nv_error(priv, "fuc09 req 0x10 timeout\n");
636                         return -EBUSY;
637                 }
638                 priv->size = nv_rd32(priv, 0x409800);
639
640                 nv_wr32(priv, 0x409840, 0xffffffff);
641                 nv_wr32(priv, 0x409500, 0x00000000);
642                 nv_wr32(priv, 0x409504, 0x00000016);
643                 if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
644                         nv_error(priv, "fuc09 req 0x16 timeout\n");
645                         return -EBUSY;
646                 }
647
648                 nv_wr32(priv, 0x409840, 0xffffffff);
649                 nv_wr32(priv, 0x409500, 0x00000000);
650                 nv_wr32(priv, 0x409504, 0x00000025);
651                 if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
652                         nv_error(priv, "fuc09 req 0x25 timeout\n");
653                         return -EBUSY;
654                 }
655
656                 if (priv->data == NULL) {
657                         int ret = nvc0_grctx_generate(priv);
658                         if (ret) {
659                                 nv_error(priv, "failed to construct context\n");
660                                 return ret;
661                         }
662                 }
663
664                 return 0;
665         }
666
667         /* load HUB microcode */
668         r000260 = nv_mask(priv, 0x000260, 0x00000001, 0x00000000);
669         nv_wr32(priv, 0x4091c0, 0x01000000);
670         for (i = 0; i < sizeof(nvc0_grhub_data) / 4; i++)
671                 nv_wr32(priv, 0x4091c4, nvc0_grhub_data[i]);
672
673         nv_wr32(priv, 0x409180, 0x01000000);
674         for (i = 0; i < sizeof(nvc0_grhub_code) / 4; i++) {
675                 if ((i & 0x3f) == 0)
676                         nv_wr32(priv, 0x409188, i >> 6);
677                 nv_wr32(priv, 0x409184, nvc0_grhub_code[i]);
678         }
679
680         /* load GPC microcode */
681         nv_wr32(priv, 0x41a1c0, 0x01000000);
682         for (i = 0; i < sizeof(nvc0_grgpc_data) / 4; i++)
683                 nv_wr32(priv, 0x41a1c4, nvc0_grgpc_data[i]);
684
685         nv_wr32(priv, 0x41a180, 0x01000000);
686         for (i = 0; i < sizeof(nvc0_grgpc_code) / 4; i++) {
687                 if ((i & 0x3f) == 0)
688                         nv_wr32(priv, 0x41a188, i >> 6);
689                 nv_wr32(priv, 0x41a184, nvc0_grgpc_code[i]);
690         }
691         nv_wr32(priv, 0x000260, r000260);
692
693         /* start HUB ucode running, it'll init the GPCs */
694         nv_wr32(priv, 0x409800, nv_device(priv)->chipset);
695         nv_wr32(priv, 0x40910c, 0x00000000);
696         nv_wr32(priv, 0x409100, 0x00000002);
697         if (!nv_wait(priv, 0x409800, 0x80000000, 0x80000000)) {
698                 nv_error(priv, "HUB_INIT timed out\n");
699                 nvc0_graph_ctxctl_debug(priv);
700                 return -EBUSY;
701         }
702
703         priv->size = nv_rd32(priv, 0x409804);
704         if (priv->data == NULL) {
705                 int ret = nvc0_grctx_generate(priv);
706                 if (ret) {
707                         nv_error(priv, "failed to construct context\n");
708                         return ret;
709                 }
710
711                 return 1;
712         }
713
714         return 0;
715 }
716
717 static int
718 nvc0_graph_init(struct nouveau_object *object)
719 {
720         struct nvc0_graph_priv *priv = (void *)object;
721         int ret;
722
723 reset:
724         ret = nouveau_graph_init(&priv->base);
725         if (ret)
726                 return ret;
727
728         nvc0_graph_init_obj418880(priv);
729         nvc0_graph_init_regs(priv);
730         /*nvc0_graph_init_unitplemented_magics(priv);*/
731         nvc0_graph_init_gpc_0(priv);
732         /*nvc0_graph_init_unitplemented_c242(priv);*/
733
734         nv_wr32(priv, 0x400500, 0x00010001);
735         nv_wr32(priv, 0x400100, 0xffffffff);
736         nv_wr32(priv, 0x40013c, 0xffffffff);
737
738         nvc0_graph_init_units(priv);
739         nvc0_graph_init_gpc_1(priv);
740         nvc0_graph_init_rop(priv);
741
742         nv_wr32(priv, 0x400108, 0xffffffff);
743         nv_wr32(priv, 0x400138, 0xffffffff);
744         nv_wr32(priv, 0x400118, 0xffffffff);
745         nv_wr32(priv, 0x400130, 0xffffffff);
746         nv_wr32(priv, 0x40011c, 0xffffffff);
747         nv_wr32(priv, 0x400134, 0xffffffff);
748         nv_wr32(priv, 0x400054, 0x34ce3464);
749
750         ret = nvc0_graph_init_ctxctl(priv);
751         if (ret) {
752                 if (ret == 1)
753                         goto reset;
754                 return ret;
755         }
756
757         return 0;
758 }
759
760 struct nouveau_oclass
761 nvc0_graph_oclass = {
762         .handle = NV_ENGINE(GR, 0xc0),
763         .ofuncs = &(struct nouveau_ofuncs) {
764                 .ctor = nvc0_graph_ctor,
765                 .dtor = nvc0_graph_dtor,
766                 .init = nvc0_graph_init,
767                 .fini = _nouveau_graph_fini,
768         },
769 };