Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
[sfrench/cifs-2.6.git] / drivers / gpu / drm / nouveau / core / engine / graph / nv40.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 <core/os.h>
26 #include <core/class.h>
27 #include <core/handle.h>
28 #include <core/engctx.h>
29
30 #include <subdev/fb.h>
31 #include <subdev/timer.h>
32
33 #include <engine/graph.h>
34 #include <engine/fifo.h>
35
36 #include "nv40.h"
37 #include "regs.h"
38
39 struct nv40_graph_priv {
40         struct nouveau_graph base;
41         u32 size;
42 };
43
44 struct nv40_graph_chan {
45         struct nouveau_graph_chan base;
46 };
47
48 /*******************************************************************************
49  * Graphics object classes
50  ******************************************************************************/
51
52 static int
53 nv40_graph_object_ctor(struct nouveau_object *parent,
54                        struct nouveau_object *engine,
55                        struct nouveau_oclass *oclass, void *data, u32 size,
56                        struct nouveau_object **pobject)
57 {
58         struct nouveau_gpuobj *obj;
59         int ret;
60
61         ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent,
62                                     20, 16, 0, &obj);
63         *pobject = nv_object(obj);
64         if (ret)
65                 return ret;
66
67         nv_wo32(obj, 0x00, nv_mclass(obj));
68         nv_wo32(obj, 0x04, 0x00000000);
69         nv_wo32(obj, 0x08, 0x00000000);
70 #ifdef __BIG_ENDIAN
71         nv_mo32(obj, 0x08, 0x01000000, 0x01000000);
72 #endif
73         nv_wo32(obj, 0x0c, 0x00000000);
74         nv_wo32(obj, 0x10, 0x00000000);
75         return 0;
76 }
77
78 static struct nouveau_ofuncs
79 nv40_graph_ofuncs = {
80         .ctor = nv40_graph_object_ctor,
81         .dtor = _nouveau_gpuobj_dtor,
82         .init = _nouveau_gpuobj_init,
83         .fini = _nouveau_gpuobj_fini,
84         .rd32 = _nouveau_gpuobj_rd32,
85         .wr32 = _nouveau_gpuobj_wr32,
86 };
87
88 static struct nouveau_oclass
89 nv40_graph_sclass[] = {
90         { 0x0012, &nv40_graph_ofuncs, NULL }, /* beta1 */
91         { 0x0019, &nv40_graph_ofuncs, NULL }, /* clip */
92         { 0x0030, &nv40_graph_ofuncs, NULL }, /* null */
93         { 0x0039, &nv40_graph_ofuncs, NULL }, /* m2mf */
94         { 0x0043, &nv40_graph_ofuncs, NULL }, /* rop */
95         { 0x0044, &nv40_graph_ofuncs, NULL }, /* patt */
96         { 0x004a, &nv40_graph_ofuncs, NULL }, /* gdi */
97         { 0x0062, &nv40_graph_ofuncs, NULL }, /* surf2d */
98         { 0x0072, &nv40_graph_ofuncs, NULL }, /* beta4 */
99         { 0x0089, &nv40_graph_ofuncs, NULL }, /* sifm */
100         { 0x008a, &nv40_graph_ofuncs, NULL }, /* ifc */
101         { 0x009f, &nv40_graph_ofuncs, NULL }, /* imageblit */
102         { 0x3062, &nv40_graph_ofuncs, NULL }, /* surf2d (nv40) */
103         { 0x3089, &nv40_graph_ofuncs, NULL }, /* sifm (nv40) */
104         { 0x309e, &nv40_graph_ofuncs, NULL }, /* swzsurf (nv40) */
105         { 0x4097, &nv40_graph_ofuncs, NULL }, /* curie */
106         {},
107 };
108
109 static struct nouveau_oclass
110 nv44_graph_sclass[] = {
111         { 0x0012, &nv40_graph_ofuncs, NULL }, /* beta1 */
112         { 0x0019, &nv40_graph_ofuncs, NULL }, /* clip */
113         { 0x0030, &nv40_graph_ofuncs, NULL }, /* null */
114         { 0x0039, &nv40_graph_ofuncs, NULL }, /* m2mf */
115         { 0x0043, &nv40_graph_ofuncs, NULL }, /* rop */
116         { 0x0044, &nv40_graph_ofuncs, NULL }, /* patt */
117         { 0x004a, &nv40_graph_ofuncs, NULL }, /* gdi */
118         { 0x0062, &nv40_graph_ofuncs, NULL }, /* surf2d */
119         { 0x0072, &nv40_graph_ofuncs, NULL }, /* beta4 */
120         { 0x0089, &nv40_graph_ofuncs, NULL }, /* sifm */
121         { 0x008a, &nv40_graph_ofuncs, NULL }, /* ifc */
122         { 0x009f, &nv40_graph_ofuncs, NULL }, /* imageblit */
123         { 0x3062, &nv40_graph_ofuncs, NULL }, /* surf2d (nv40) */
124         { 0x3089, &nv40_graph_ofuncs, NULL }, /* sifm (nv40) */
125         { 0x309e, &nv40_graph_ofuncs, NULL }, /* swzsurf (nv40) */
126         { 0x4497, &nv40_graph_ofuncs, NULL }, /* curie */
127         {},
128 };
129
130 /*******************************************************************************
131  * PGRAPH context
132  ******************************************************************************/
133
134 static int
135 nv40_graph_context_ctor(struct nouveau_object *parent,
136                         struct nouveau_object *engine,
137                         struct nouveau_oclass *oclass, void *data, u32 size,
138                         struct nouveau_object **pobject)
139 {
140         struct nv40_graph_priv *priv = (void *)engine;
141         struct nv40_graph_chan *chan;
142         int ret;
143
144         ret = nouveau_graph_context_create(parent, engine, oclass, NULL,
145                                            priv->size, 16,
146                                            NVOBJ_FLAG_ZERO_ALLOC, &chan);
147         *pobject = nv_object(chan);
148         if (ret)
149                 return ret;
150
151         nv40_grctx_fill(nv_device(priv), nv_gpuobj(chan));
152         nv_wo32(chan, 0x00000, nv_gpuobj(chan)->addr >> 4);
153         return 0;
154 }
155
156 static int
157 nv40_graph_context_fini(struct nouveau_object *object, bool suspend)
158 {
159         struct nv40_graph_priv *priv = (void *)object->engine;
160         struct nv40_graph_chan *chan = (void *)object;
161         u32 inst = 0x01000000 | nv_gpuobj(chan)->addr >> 4;
162         int ret = 0;
163
164         nv_mask(priv, 0x400720, 0x00000001, 0x00000000);
165
166         if (nv_rd32(priv, 0x40032c) == inst) {
167                 if (suspend) {
168                         nv_wr32(priv, 0x400720, 0x00000000);
169                         nv_wr32(priv, 0x400784, inst);
170                         nv_mask(priv, 0x400310, 0x00000020, 0x00000020);
171                         nv_mask(priv, 0x400304, 0x00000001, 0x00000001);
172                         if (!nv_wait(priv, 0x400300, 0x00000001, 0x00000000)) {
173                                 u32 insn = nv_rd32(priv, 0x400308);
174                                 nv_warn(priv, "ctxprog timeout 0x%08x\n", insn);
175                                 ret = -EBUSY;
176                         }
177                 }
178
179                 nv_mask(priv, 0x40032c, 0x01000000, 0x00000000);
180         }
181
182         if (nv_rd32(priv, 0x400330) == inst)
183                 nv_mask(priv, 0x400330, 0x01000000, 0x00000000);
184
185         nv_mask(priv, 0x400720, 0x00000001, 0x00000001);
186         return ret;
187 }
188
189 static struct nouveau_oclass
190 nv40_graph_cclass = {
191         .handle = NV_ENGCTX(GR, 0x40),
192         .ofuncs = &(struct nouveau_ofuncs) {
193                 .ctor = nv40_graph_context_ctor,
194                 .dtor = _nouveau_graph_context_dtor,
195                 .init = _nouveau_graph_context_init,
196                 .fini = nv40_graph_context_fini,
197                 .rd32 = _nouveau_graph_context_rd32,
198                 .wr32 = _nouveau_graph_context_wr32,
199         },
200 };
201
202 /*******************************************************************************
203  * PGRAPH engine/subdev functions
204  ******************************************************************************/
205
206 static void
207 nv40_graph_tile_prog(struct nouveau_engine *engine, int i)
208 {
209         struct nouveau_fb_tile *tile = &nouveau_fb(engine)->tile.region[i];
210         struct nouveau_fifo *pfifo = nouveau_fifo(engine);
211         struct nv40_graph_priv *priv = (void *)engine;
212         unsigned long flags;
213
214         pfifo->pause(pfifo, &flags);
215         nv04_graph_idle(priv);
216
217         switch (nv_device(priv)->chipset) {
218         case 0x40:
219         case 0x41: /* guess */
220         case 0x42:
221         case 0x43:
222         case 0x45: /* guess */
223         case 0x4e:
224                 nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
225                 nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
226                 nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
227                 nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
228                 nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
229                 nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
230                 break;
231         case 0x44:
232         case 0x4a:
233                 nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
234                 nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
235                 nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
236                 break;
237         case 0x46:
238         case 0x47:
239         case 0x49:
240         case 0x4b:
241         case 0x4c:
242         case 0x67:
243         default:
244                 nv_wr32(priv, NV47_PGRAPH_TSIZE(i), tile->pitch);
245                 nv_wr32(priv, NV47_PGRAPH_TLIMIT(i), tile->limit);
246                 nv_wr32(priv, NV47_PGRAPH_TILE(i), tile->addr);
247                 nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
248                 nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
249                 nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
250                 break;
251         }
252
253         pfifo->start(pfifo, &flags);
254 }
255
256 static void
257 nv40_graph_intr(struct nouveau_subdev *subdev)
258 {
259         struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
260         struct nouveau_engine *engine = nv_engine(subdev);
261         struct nouveau_object *engctx;
262         struct nouveau_handle *handle = NULL;
263         struct nv40_graph_priv *priv = (void *)subdev;
264         u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
265         u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
266         u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
267         u32 inst = nv_rd32(priv, 0x40032c) & 0x000fffff;
268         u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
269         u32 subc = (addr & 0x00070000) >> 16;
270         u32 mthd = (addr & 0x00001ffc);
271         u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
272         u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xffff;
273         u32 show = stat;
274         int chid;
275
276         engctx = nouveau_engctx_get(engine, inst);
277         chid   = pfifo->chid(pfifo, engctx);
278
279         if (stat & NV_PGRAPH_INTR_ERROR) {
280                 if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
281                         handle = nouveau_handle_get_class(engctx, class);
282                         if (handle && !nv_call(handle->object, mthd, data))
283                                 show &= ~NV_PGRAPH_INTR_ERROR;
284                         nouveau_handle_put(handle);
285                 }
286
287                 if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
288                         nv_mask(priv, 0x402000, 0, 0);
289                 }
290         }
291
292         nv_wr32(priv, NV03_PGRAPH_INTR, stat);
293         nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);
294
295         if (show) {
296                 nv_info(priv, "");
297                 nouveau_bitfield_print(nv10_graph_intr_name, show);
298                 printk(" nsource:");
299                 nouveau_bitfield_print(nv04_graph_nsource, nsource);
300                 printk(" nstatus:");
301                 nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
302                 printk("\n");
303                 nv_error(priv, "ch %d [0x%08x] subc %d class 0x%04x "
304                                "mthd 0x%04x data 0x%08x\n",
305                          chid, inst << 4, subc, class, mthd, data);
306         }
307
308         nouveau_engctx_put(engctx);
309 }
310
311 static int
312 nv40_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
313                struct nouveau_oclass *oclass, void *data, u32 size,
314                struct nouveau_object **pobject)
315 {
316         struct nv40_graph_priv *priv;
317         int ret;
318
319         ret = nouveau_graph_create(parent, engine, oclass, true, &priv);
320         *pobject = nv_object(priv);
321         if (ret)
322                 return ret;
323
324         nv_subdev(priv)->unit = 0x00001000;
325         nv_subdev(priv)->intr = nv40_graph_intr;
326         nv_engine(priv)->cclass = &nv40_graph_cclass;
327         if (nv44_graph_class(priv))
328                 nv_engine(priv)->sclass = nv44_graph_sclass;
329         else
330                 nv_engine(priv)->sclass = nv40_graph_sclass;
331         nv_engine(priv)->tile_prog = nv40_graph_tile_prog;
332         return 0;
333 }
334
335 static int
336 nv40_graph_init(struct nouveau_object *object)
337 {
338         struct nouveau_engine *engine = nv_engine(object);
339         struct nouveau_fb *pfb = nouveau_fb(object);
340         struct nv40_graph_priv *priv = (void *)engine;
341         int ret, i, j;
342         u32 vramsz;
343
344         ret = nouveau_graph_init(&priv->base);
345         if (ret)
346                 return ret;
347
348         /* generate and upload context program */
349         ret = nv40_grctx_init(nv_device(priv), &priv->size);
350         if (ret)
351                 return ret;
352
353         /* No context present currently */
354         nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
355
356         nv_wr32(priv, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
357         nv_wr32(priv, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);
358
359         nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
360         nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
361         nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x401287c0);
362         nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
363         nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00008000);
364         nv_wr32(priv, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);
365
366         nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
367         nv_wr32(priv, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
368
369         j = nv_rd32(priv, 0x1540) & 0xff;
370         if (j) {
371                 for (i = 0; !(j & 1); j >>= 1, i++)
372                         ;
373                 nv_wr32(priv, 0x405000, i);
374         }
375
376         if (nv_device(priv)->chipset == 0x40) {
377                 nv_wr32(priv, 0x4009b0, 0x83280fff);
378                 nv_wr32(priv, 0x4009b4, 0x000000a0);
379         } else {
380                 nv_wr32(priv, 0x400820, 0x83280eff);
381                 nv_wr32(priv, 0x400824, 0x000000a0);
382         }
383
384         switch (nv_device(priv)->chipset) {
385         case 0x40:
386         case 0x45:
387                 nv_wr32(priv, 0x4009b8, 0x0078e366);
388                 nv_wr32(priv, 0x4009bc, 0x0000014c);
389                 break;
390         case 0x41:
391         case 0x42: /* pciid also 0x00Cx */
392         /* case 0x0120: XXX (pciid) */
393                 nv_wr32(priv, 0x400828, 0x007596ff);
394                 nv_wr32(priv, 0x40082c, 0x00000108);
395                 break;
396         case 0x43:
397                 nv_wr32(priv, 0x400828, 0x0072cb77);
398                 nv_wr32(priv, 0x40082c, 0x00000108);
399                 break;
400         case 0x44:
401         case 0x46: /* G72 */
402         case 0x4a:
403         case 0x4c: /* G7x-based C51 */
404         case 0x4e:
405                 nv_wr32(priv, 0x400860, 0);
406                 nv_wr32(priv, 0x400864, 0);
407                 break;
408         case 0x47: /* G70 */
409         case 0x49: /* G71 */
410         case 0x4b: /* G73 */
411                 nv_wr32(priv, 0x400828, 0x07830610);
412                 nv_wr32(priv, 0x40082c, 0x0000016A);
413                 break;
414         default:
415                 break;
416         }
417
418         nv_wr32(priv, 0x400b38, 0x2ffff800);
419         nv_wr32(priv, 0x400b3c, 0x00006000);
420
421         /* Tiling related stuff. */
422         switch (nv_device(priv)->chipset) {
423         case 0x44:
424         case 0x4a:
425                 nv_wr32(priv, 0x400bc4, 0x1003d888);
426                 nv_wr32(priv, 0x400bbc, 0xb7a7b500);
427                 break;
428         case 0x46:
429                 nv_wr32(priv, 0x400bc4, 0x0000e024);
430                 nv_wr32(priv, 0x400bbc, 0xb7a7b520);
431                 break;
432         case 0x4c:
433         case 0x4e:
434         case 0x67:
435                 nv_wr32(priv, 0x400bc4, 0x1003d888);
436                 nv_wr32(priv, 0x400bbc, 0xb7a7b540);
437                 break;
438         default:
439                 break;
440         }
441
442         /* Turn all the tiling regions off. */
443         for (i = 0; i < pfb->tile.regions; i++)
444                 engine->tile_prog(engine, i);
445
446         /* begin RAM config */
447         vramsz = pci_resource_len(nv_device(priv)->pdev, 0) - 1;
448         switch (nv_device(priv)->chipset) {
449         case 0x40:
450                 nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
451                 nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
452                 nv_wr32(priv, 0x4069A4, nv_rd32(priv, 0x100200));
453                 nv_wr32(priv, 0x4069A8, nv_rd32(priv, 0x100204));
454                 nv_wr32(priv, 0x400820, 0);
455                 nv_wr32(priv, 0x400824, 0);
456                 nv_wr32(priv, 0x400864, vramsz);
457                 nv_wr32(priv, 0x400868, vramsz);
458                 break;
459         default:
460                 switch (nv_device(priv)->chipset) {
461                 case 0x41:
462                 case 0x42:
463                 case 0x43:
464                 case 0x45:
465                 case 0x4e:
466                 case 0x44:
467                 case 0x4a:
468                         nv_wr32(priv, 0x4009F0, nv_rd32(priv, 0x100200));
469                         nv_wr32(priv, 0x4009F4, nv_rd32(priv, 0x100204));
470                         break;
471                 default:
472                         nv_wr32(priv, 0x400DF0, nv_rd32(priv, 0x100200));
473                         nv_wr32(priv, 0x400DF4, nv_rd32(priv, 0x100204));
474                         break;
475                 }
476                 nv_wr32(priv, 0x4069F0, nv_rd32(priv, 0x100200));
477                 nv_wr32(priv, 0x4069F4, nv_rd32(priv, 0x100204));
478                 nv_wr32(priv, 0x400840, 0);
479                 nv_wr32(priv, 0x400844, 0);
480                 nv_wr32(priv, 0x4008A0, vramsz);
481                 nv_wr32(priv, 0x4008A4, vramsz);
482                 break;
483         }
484
485         return 0;
486 }
487
488 struct nouveau_oclass
489 nv40_graph_oclass = {
490         .handle = NV_ENGINE(GR, 0x40),
491         .ofuncs = &(struct nouveau_ofuncs) {
492                 .ctor = nv40_graph_ctor,
493                 .dtor = _nouveau_graph_dtor,
494                 .init = nv40_graph_init,
495                 .fini = _nouveau_graph_fini,
496         },
497 };