Merge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / nouveau / nve0_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 #include <linux/module.h>
27
28 #include "drmP.h"
29
30 #include "nouveau_drv.h"
31 #include "nouveau_mm.h"
32 #include "nouveau_fifo.h"
33
34 #include "nve0_graph.h"
35
36 static void
37 nve0_graph_ctxctl_debug_unit(struct drm_device *dev, u32 base)
38 {
39         NV_INFO(dev, "PGRAPH: %06x - done 0x%08x\n", base,
40                 nv_rd32(dev, base + 0x400));
41         NV_INFO(dev, "PGRAPH: %06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
42                 nv_rd32(dev, base + 0x800), nv_rd32(dev, base + 0x804),
43                 nv_rd32(dev, base + 0x808), nv_rd32(dev, base + 0x80c));
44         NV_INFO(dev, "PGRAPH: %06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
45                 nv_rd32(dev, base + 0x810), nv_rd32(dev, base + 0x814),
46                 nv_rd32(dev, base + 0x818), nv_rd32(dev, base + 0x81c));
47 }
48
49 static void
50 nve0_graph_ctxctl_debug(struct drm_device *dev)
51 {
52         u32 gpcnr = nv_rd32(dev, 0x409604) & 0xffff;
53         u32 gpc;
54
55         nve0_graph_ctxctl_debug_unit(dev, 0x409000);
56         for (gpc = 0; gpc < gpcnr; gpc++)
57                 nve0_graph_ctxctl_debug_unit(dev, 0x502000 + (gpc * 0x8000));
58 }
59
60 static int
61 nve0_graph_load_context(struct nouveau_channel *chan)
62 {
63         struct drm_device *dev = chan->dev;
64
65         nv_wr32(dev, 0x409840, 0x00000030);
66         nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
67         nv_wr32(dev, 0x409504, 0x00000003);
68         if (!nv_wait(dev, 0x409800, 0x00000010, 0x00000010))
69                 NV_ERROR(dev, "PGRAPH: load_ctx timeout\n");
70
71         return 0;
72 }
73
74 static int
75 nve0_graph_unload_context_to(struct drm_device *dev, u64 chan)
76 {
77         nv_wr32(dev, 0x409840, 0x00000003);
78         nv_wr32(dev, 0x409500, 0x80000000 | chan >> 12);
79         nv_wr32(dev, 0x409504, 0x00000009);
80         if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000000)) {
81                 NV_ERROR(dev, "PGRAPH: unload_ctx timeout\n");
82                 return -EBUSY;
83         }
84
85         return 0;
86 }
87
88 static int
89 nve0_graph_construct_context(struct nouveau_channel *chan)
90 {
91         struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
92         struct nve0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
93         struct nve0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
94         struct drm_device *dev = chan->dev;
95         int ret, i;
96         u32 *ctx;
97
98         ctx = kmalloc(priv->grctx_size, GFP_KERNEL);
99         if (!ctx)
100                 return -ENOMEM;
101
102         nve0_graph_load_context(chan);
103
104         nv_wo32(grch->grctx, 0x1c, 1);
105         nv_wo32(grch->grctx, 0x20, 0);
106         nv_wo32(grch->grctx, 0x28, 0);
107         nv_wo32(grch->grctx, 0x2c, 0);
108         dev_priv->engine.instmem.flush(dev);
109
110         ret = nve0_grctx_generate(chan);
111         if (ret)
112                 goto err;
113
114         ret = nve0_graph_unload_context_to(dev, chan->ramin->vinst);
115         if (ret)
116                 goto err;
117
118         for (i = 0; i < priv->grctx_size; i += 4)
119                 ctx[i / 4] = nv_ro32(grch->grctx, i);
120
121         priv->grctx_vals = ctx;
122         return 0;
123
124 err:
125         kfree(ctx);
126         return ret;
127 }
128
129 static int
130 nve0_graph_create_context_mmio_list(struct nouveau_channel *chan)
131 {
132         struct nve0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
133         struct nve0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
134         struct drm_device *dev = chan->dev;
135         u32 magic[GPC_MAX][2];
136         u16 offset = 0x0000;
137         int gpc;
138         int ret;
139
140         ret = nouveau_gpuobj_new(dev, chan, 0x3000, 256, NVOBJ_FLAG_VM,
141                                  &grch->unk408004);
142         if (ret)
143                 return ret;
144
145         ret = nouveau_gpuobj_new(dev, chan, 0x8000, 256, NVOBJ_FLAG_VM,
146                                  &grch->unk40800c);
147         if (ret)
148                 return ret;
149
150         ret = nouveau_gpuobj_new(dev, chan, 384 * 1024, 4096,
151                                  NVOBJ_FLAG_VM | NVOBJ_FLAG_VM_USER,
152                                  &grch->unk418810);
153         if (ret)
154                 return ret;
155
156         ret = nouveau_gpuobj_new(dev, chan, 0x1000, 0, NVOBJ_FLAG_VM,
157                                  &grch->mmio);
158         if (ret)
159                 return ret;
160
161 #define mmio(r,v) do {                                                         \
162         nv_wo32(grch->mmio, (grch->mmio_nr * 8) + 0, (r));                     \
163         nv_wo32(grch->mmio, (grch->mmio_nr * 8) + 4, (v));                     \
164         grch->mmio_nr++;                                                       \
165 } while (0)
166         mmio(0x40800c, grch->unk40800c->linst >> 8);
167         mmio(0x408010, 0x80000000);
168         mmio(0x419004, grch->unk40800c->linst >> 8);
169         mmio(0x419008, 0x00000000);
170         mmio(0x4064cc, 0x80000000);
171         mmio(0x408004, grch->unk408004->linst >> 8);
172         mmio(0x408008, 0x80000030);
173         mmio(0x418808, grch->unk408004->linst >> 8);
174         mmio(0x41880c, 0x80000030);
175         mmio(0x4064c8, 0x01800600);
176         mmio(0x418810, 0x80000000 | grch->unk418810->linst >> 12);
177         mmio(0x419848, 0x10000000 | grch->unk418810->linst >> 12);
178         mmio(0x405830, 0x02180648);
179         mmio(0x4064c4, 0x0192ffff);
180
181         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
182                 u16 magic0 = 0x0218 * priv->tpc_nr[gpc];
183                 u16 magic1 = 0x0648 * priv->tpc_nr[gpc];
184                 magic[gpc][0]  = 0x10000000 | (magic0 << 16) | offset;
185                 magic[gpc][1]  = 0x00000000 | (magic1 << 16);
186                 offset += 0x0324 * priv->tpc_nr[gpc];
187         }
188
189         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
190                 mmio(GPC_UNIT(gpc, 0x30c0), magic[gpc][0]);
191                 mmio(GPC_UNIT(gpc, 0x30e4), magic[gpc][1] | offset);
192                 offset += 0x07ff * priv->tpc_nr[gpc];
193         }
194
195         mmio(0x17e91c, 0x06060609);
196         mmio(0x17e920, 0x00090a05);
197 #undef mmio
198         return 0;
199 }
200
201 static int
202 nve0_graph_context_new(struct nouveau_channel *chan, int engine)
203 {
204         struct drm_device *dev = chan->dev;
205         struct drm_nouveau_private *dev_priv = dev->dev_private;
206         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
207         struct nve0_graph_priv *priv = nv_engine(dev, engine);
208         struct nve0_graph_chan *grch;
209         struct nouveau_gpuobj *grctx;
210         int ret, i;
211
212         grch = kzalloc(sizeof(*grch), GFP_KERNEL);
213         if (!grch)
214                 return -ENOMEM;
215         chan->engctx[NVOBJ_ENGINE_GR] = grch;
216
217         ret = nouveau_gpuobj_new(dev, chan, priv->grctx_size, 256,
218                                  NVOBJ_FLAG_VM | NVOBJ_FLAG_ZERO_ALLOC,
219                                  &grch->grctx);
220         if (ret)
221                 goto error;
222         grctx = grch->grctx;
223
224         ret = nve0_graph_create_context_mmio_list(chan);
225         if (ret)
226                 goto error;
227
228         nv_wo32(chan->ramin, 0x0210, lower_32_bits(grctx->linst) | 4);
229         nv_wo32(chan->ramin, 0x0214, upper_32_bits(grctx->linst));
230         pinstmem->flush(dev);
231
232         if (!priv->grctx_vals) {
233                 ret = nve0_graph_construct_context(chan);
234                 if (ret)
235                         goto error;
236         }
237
238         for (i = 0; i < priv->grctx_size; i += 4)
239                 nv_wo32(grctx, i, priv->grctx_vals[i / 4]);
240         nv_wo32(grctx, 0xf4, 0);
241         nv_wo32(grctx, 0xf8, 0);
242         nv_wo32(grctx, 0x10, grch->mmio_nr);
243         nv_wo32(grctx, 0x14, lower_32_bits(grch->mmio->linst));
244         nv_wo32(grctx, 0x18, upper_32_bits(grch->mmio->linst));
245         nv_wo32(grctx, 0x1c, 1);
246         nv_wo32(grctx, 0x20, 0);
247         nv_wo32(grctx, 0x28, 0);
248         nv_wo32(grctx, 0x2c, 0);
249
250         pinstmem->flush(dev);
251         return 0;
252
253 error:
254         priv->base.context_del(chan, engine);
255         return ret;
256 }
257
258 static void
259 nve0_graph_context_del(struct nouveau_channel *chan, int engine)
260 {
261         struct nve0_graph_chan *grch = chan->engctx[engine];
262
263         nouveau_gpuobj_ref(NULL, &grch->mmio);
264         nouveau_gpuobj_ref(NULL, &grch->unk418810);
265         nouveau_gpuobj_ref(NULL, &grch->unk40800c);
266         nouveau_gpuobj_ref(NULL, &grch->unk408004);
267         nouveau_gpuobj_ref(NULL, &grch->grctx);
268         chan->engctx[engine] = NULL;
269 }
270
271 static int
272 nve0_graph_object_new(struct nouveau_channel *chan, int engine,
273                       u32 handle, u16 class)
274 {
275         return 0;
276 }
277
278 static int
279 nve0_graph_fini(struct drm_device *dev, int engine, bool suspend)
280 {
281         return 0;
282 }
283
284 static void
285 nve0_graph_init_obj418880(struct drm_device *dev)
286 {
287         struct nve0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
288         int i;
289
290         nv_wr32(dev, GPC_BCAST(0x0880), 0x00000000);
291         nv_wr32(dev, GPC_BCAST(0x08a4), 0x00000000);
292         for (i = 0; i < 4; i++)
293                 nv_wr32(dev, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
294         nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->vinst >> 8);
295         nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->vinst >> 8);
296 }
297
298 static void
299 nve0_graph_init_regs(struct drm_device *dev)
300 {
301         nv_wr32(dev, 0x400080, 0x003083c2);
302         nv_wr32(dev, 0x400088, 0x0001ffe7);
303         nv_wr32(dev, 0x40008c, 0x00000000);
304         nv_wr32(dev, 0x400090, 0x00000030);
305         nv_wr32(dev, 0x40013c, 0x003901f7);
306         nv_wr32(dev, 0x400140, 0x00000100);
307         nv_wr32(dev, 0x400144, 0x00000000);
308         nv_wr32(dev, 0x400148, 0x00000110);
309         nv_wr32(dev, 0x400138, 0x00000000);
310         nv_wr32(dev, 0x400130, 0x00000000);
311         nv_wr32(dev, 0x400134, 0x00000000);
312         nv_wr32(dev, 0x400124, 0x00000002);
313 }
314
315 static void
316 nve0_graph_init_units(struct drm_device *dev)
317 {
318         nv_wr32(dev, 0x409ffc, 0x00000000);
319         nv_wr32(dev, 0x409c14, 0x00003e3e);
320         nv_wr32(dev, 0x409c24, 0x000f0000);
321
322         nv_wr32(dev, 0x404000, 0xc0000000);
323         nv_wr32(dev, 0x404600, 0xc0000000);
324         nv_wr32(dev, 0x408030, 0xc0000000);
325         nv_wr32(dev, 0x404490, 0xc0000000);
326         nv_wr32(dev, 0x406018, 0xc0000000);
327         nv_wr32(dev, 0x407020, 0xc0000000);
328         nv_wr32(dev, 0x405840, 0xc0000000);
329         nv_wr32(dev, 0x405844, 0x00ffffff);
330
331         nv_mask(dev, 0x419cc0, 0x00000008, 0x00000008);
332         nv_mask(dev, 0x419eb4, 0x00001000, 0x00001000);
333
334 }
335
336 static void
337 nve0_graph_init_gpc_0(struct drm_device *dev)
338 {
339         struct nve0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
340         const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tpc_total);
341         u32 data[TPC_MAX / 8];
342         u8  tpcnr[GPC_MAX];
343         int i, gpc, tpc;
344
345         nv_wr32(dev, GPC_UNIT(0, 0x3018), 0x00000001);
346
347         memset(data, 0x00, sizeof(data));
348         memcpy(tpcnr, priv->tpc_nr, sizeof(priv->tpc_nr));
349         for (i = 0, gpc = -1; i < priv->tpc_total; i++) {
350                 do {
351                         gpc = (gpc + 1) % priv->gpc_nr;
352                 } while (!tpcnr[gpc]);
353                 tpc = priv->tpc_nr[gpc] - tpcnr[gpc]--;
354
355                 data[i / 8] |= tpc << ((i % 8) * 4);
356         }
357
358         nv_wr32(dev, GPC_BCAST(0x0980), data[0]);
359         nv_wr32(dev, GPC_BCAST(0x0984), data[1]);
360         nv_wr32(dev, GPC_BCAST(0x0988), data[2]);
361         nv_wr32(dev, GPC_BCAST(0x098c), data[3]);
362
363         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
364                 nv_wr32(dev, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
365                                                   priv->tpc_nr[gpc]);
366                 nv_wr32(dev, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tpc_total);
367                 nv_wr32(dev, GPC_UNIT(gpc, 0x0918), magicgpc918);
368         }
369
370         nv_wr32(dev, GPC_BCAST(0x1bd4), magicgpc918);
371         nv_wr32(dev, GPC_BCAST(0x08ac), nv_rd32(dev, 0x100800));
372 }
373
374 static void
375 nve0_graph_init_gpc_1(struct drm_device *dev)
376 {
377         struct nve0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
378         int gpc, tpc;
379
380         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
381                 nv_wr32(dev, GPC_UNIT(gpc, 0x3038), 0xc0000000);
382                 nv_wr32(dev, GPC_UNIT(gpc, 0x0420), 0xc0000000);
383                 nv_wr32(dev, GPC_UNIT(gpc, 0x0900), 0xc0000000);
384                 nv_wr32(dev, GPC_UNIT(gpc, 0x1028), 0xc0000000);
385                 nv_wr32(dev, GPC_UNIT(gpc, 0x0824), 0xc0000000);
386                 for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
387                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
388                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
389                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
390                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
391                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
392                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
393                         nv_wr32(dev, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
394                 }
395                 nv_wr32(dev, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
396                 nv_wr32(dev, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
397         }
398 }
399
400 static void
401 nve0_graph_init_rop(struct drm_device *dev)
402 {
403         struct nve0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
404         int rop;
405
406         for (rop = 0; rop < priv->rop_nr; rop++) {
407                 nv_wr32(dev, ROP_UNIT(rop, 0x144), 0xc0000000);
408                 nv_wr32(dev, ROP_UNIT(rop, 0x070), 0xc0000000);
409                 nv_wr32(dev, ROP_UNIT(rop, 0x204), 0xffffffff);
410                 nv_wr32(dev, ROP_UNIT(rop, 0x208), 0xffffffff);
411         }
412 }
413
414 static void
415 nve0_graph_init_fuc(struct drm_device *dev, u32 fuc_base,
416                     struct nve0_graph_fuc *code, struct nve0_graph_fuc *data)
417 {
418         int i;
419
420         nv_wr32(dev, fuc_base + 0x01c0, 0x01000000);
421         for (i = 0; i < data->size / 4; i++)
422                 nv_wr32(dev, fuc_base + 0x01c4, data->data[i]);
423
424         nv_wr32(dev, fuc_base + 0x0180, 0x01000000);
425         for (i = 0; i < code->size / 4; i++) {
426                 if ((i & 0x3f) == 0)
427                         nv_wr32(dev, fuc_base + 0x0188, i >> 6);
428                 nv_wr32(dev, fuc_base + 0x0184, code->data[i]);
429         }
430 }
431
432 static int
433 nve0_graph_init_ctxctl(struct drm_device *dev)
434 {
435         struct nve0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
436         u32 r000260;
437
438         /* load fuc microcode */
439         r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
440         nve0_graph_init_fuc(dev, 0x409000, &priv->fuc409c, &priv->fuc409d);
441         nve0_graph_init_fuc(dev, 0x41a000, &priv->fuc41ac, &priv->fuc41ad);
442         nv_wr32(dev, 0x000260, r000260);
443
444         /* start both of them running */
445         nv_wr32(dev, 0x409840, 0xffffffff);
446         nv_wr32(dev, 0x41a10c, 0x00000000);
447         nv_wr32(dev, 0x40910c, 0x00000000);
448         nv_wr32(dev, 0x41a100, 0x00000002);
449         nv_wr32(dev, 0x409100, 0x00000002);
450         if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000001))
451                 NV_INFO(dev, "0x409800 wait failed\n");
452
453         nv_wr32(dev, 0x409840, 0xffffffff);
454         nv_wr32(dev, 0x409500, 0x7fffffff);
455         nv_wr32(dev, 0x409504, 0x00000021);
456
457         nv_wr32(dev, 0x409840, 0xffffffff);
458         nv_wr32(dev, 0x409500, 0x00000000);
459         nv_wr32(dev, 0x409504, 0x00000010);
460         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
461                 NV_ERROR(dev, "fuc09 req 0x10 timeout\n");
462                 return -EBUSY;
463         }
464         priv->grctx_size = nv_rd32(dev, 0x409800);
465
466         nv_wr32(dev, 0x409840, 0xffffffff);
467         nv_wr32(dev, 0x409500, 0x00000000);
468         nv_wr32(dev, 0x409504, 0x00000016);
469         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
470                 NV_ERROR(dev, "fuc09 req 0x16 timeout\n");
471                 return -EBUSY;
472         }
473
474         nv_wr32(dev, 0x409840, 0xffffffff);
475         nv_wr32(dev, 0x409500, 0x00000000);
476         nv_wr32(dev, 0x409504, 0x00000025);
477         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
478                 NV_ERROR(dev, "fuc09 req 0x25 timeout\n");
479                 return -EBUSY;
480         }
481
482         nv_wr32(dev, 0x409800, 0x00000000);
483         nv_wr32(dev, 0x409500, 0x00000001);
484         nv_wr32(dev, 0x409504, 0x00000030);
485         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
486                 NV_ERROR(dev, "fuc09 req 0x30 timeout\n");
487                 return -EBUSY;
488         }
489
490         nv_wr32(dev, 0x409810, 0xb00095c8);
491         nv_wr32(dev, 0x409800, 0x00000000);
492         nv_wr32(dev, 0x409500, 0x00000001);
493         nv_wr32(dev, 0x409504, 0x00000031);
494         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
495                 NV_ERROR(dev, "fuc09 req 0x31 timeout\n");
496                 return -EBUSY;
497         }
498
499         nv_wr32(dev, 0x409810, 0x00080420);
500         nv_wr32(dev, 0x409800, 0x00000000);
501         nv_wr32(dev, 0x409500, 0x00000001);
502         nv_wr32(dev, 0x409504, 0x00000032);
503         if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
504                 NV_ERROR(dev, "fuc09 req 0x32 timeout\n");
505                 return -EBUSY;
506         }
507
508         nv_wr32(dev, 0x409614, 0x00000070);
509         nv_wr32(dev, 0x409614, 0x00000770);
510         nv_wr32(dev, 0x40802c, 0x00000001);
511         return 0;
512 }
513
514 static int
515 nve0_graph_init(struct drm_device *dev, int engine)
516 {
517         int ret;
518
519         nv_mask(dev, 0x000200, 0x18001000, 0x00000000);
520         nv_mask(dev, 0x000200, 0x18001000, 0x18001000);
521
522         nve0_graph_init_obj418880(dev);
523         nve0_graph_init_regs(dev);
524         nve0_graph_init_gpc_0(dev);
525
526         nv_wr32(dev, 0x400500, 0x00010001);
527         nv_wr32(dev, 0x400100, 0xffffffff);
528         nv_wr32(dev, 0x40013c, 0xffffffff);
529
530         nve0_graph_init_units(dev);
531         nve0_graph_init_gpc_1(dev);
532         nve0_graph_init_rop(dev);
533
534         nv_wr32(dev, 0x400108, 0xffffffff);
535         nv_wr32(dev, 0x400138, 0xffffffff);
536         nv_wr32(dev, 0x400118, 0xffffffff);
537         nv_wr32(dev, 0x400130, 0xffffffff);
538         nv_wr32(dev, 0x40011c, 0xffffffff);
539         nv_wr32(dev, 0x400134, 0xffffffff);
540         nv_wr32(dev, 0x400054, 0x34ce3464);
541
542         ret = nve0_graph_init_ctxctl(dev);
543         if (ret)
544                 return ret;
545
546         return 0;
547 }
548
549 int
550 nve0_graph_isr_chid(struct drm_device *dev, u64 inst)
551 {
552         struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
553         struct drm_nouveau_private *dev_priv = dev->dev_private;
554         struct nouveau_channel *chan;
555         unsigned long flags;
556         int i;
557
558         spin_lock_irqsave(&dev_priv->channels.lock, flags);
559         for (i = 0; i < pfifo->channels; i++) {
560                 chan = dev_priv->channels.ptr[i];
561                 if (!chan || !chan->ramin)
562                         continue;
563
564                 if (inst == chan->ramin->vinst)
565                         break;
566         }
567         spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
568         return i;
569 }
570
571 static void
572 nve0_graph_ctxctl_isr(struct drm_device *dev)
573 {
574         u32 ustat = nv_rd32(dev, 0x409c18);
575
576         if (ustat & 0x00000001)
577                 NV_INFO(dev, "PGRAPH: CTXCTRL ucode error\n");
578         if (ustat & 0x00080000)
579                 NV_INFO(dev, "PGRAPH: CTXCTRL watchdog timeout\n");
580         if (ustat & ~0x00080001)
581                 NV_INFO(dev, "PGRAPH: CTXCTRL 0x%08x\n", ustat);
582
583         nve0_graph_ctxctl_debug(dev);
584         nv_wr32(dev, 0x409c20, ustat);
585 }
586
587 static void
588 nve0_graph_trap_isr(struct drm_device *dev, int chid)
589 {
590         struct nve0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
591         u32 trap = nv_rd32(dev, 0x400108);
592         int rop;
593
594         if (trap & 0x00000001) {
595                 u32 stat = nv_rd32(dev, 0x404000);
596                 NV_INFO(dev, "PGRAPH: DISPATCH ch %d 0x%08x\n", chid, stat);
597                 nv_wr32(dev, 0x404000, 0xc0000000);
598                 nv_wr32(dev, 0x400108, 0x00000001);
599                 trap &= ~0x00000001;
600         }
601
602         if (trap & 0x00000010) {
603                 u32 stat = nv_rd32(dev, 0x405840);
604                 NV_INFO(dev, "PGRAPH: SHADER ch %d 0x%08x\n", chid, stat);
605                 nv_wr32(dev, 0x405840, 0xc0000000);
606                 nv_wr32(dev, 0x400108, 0x00000010);
607                 trap &= ~0x00000010;
608         }
609
610         if (trap & 0x02000000) {
611                 for (rop = 0; rop < priv->rop_nr; rop++) {
612                         u32 statz = nv_rd32(dev, ROP_UNIT(rop, 0x070));
613                         u32 statc = nv_rd32(dev, ROP_UNIT(rop, 0x144));
614                         NV_INFO(dev, "PGRAPH: ROP%d ch %d 0x%08x 0x%08x\n",
615                                      rop, chid, statz, statc);
616                         nv_wr32(dev, ROP_UNIT(rop, 0x070), 0xc0000000);
617                         nv_wr32(dev, ROP_UNIT(rop, 0x144), 0xc0000000);
618                 }
619                 nv_wr32(dev, 0x400108, 0x02000000);
620                 trap &= ~0x02000000;
621         }
622
623         if (trap) {
624                 NV_INFO(dev, "PGRAPH: TRAP ch %d 0x%08x\n", chid, trap);
625                 nv_wr32(dev, 0x400108, trap);
626         }
627 }
628
629 static void
630 nve0_graph_isr(struct drm_device *dev)
631 {
632         u64 inst = (u64)(nv_rd32(dev, 0x409b00) & 0x0fffffff) << 12;
633         u32 chid = nve0_graph_isr_chid(dev, inst);
634         u32 stat = nv_rd32(dev, 0x400100);
635         u32 addr = nv_rd32(dev, 0x400704);
636         u32 mthd = (addr & 0x00003ffc);
637         u32 subc = (addr & 0x00070000) >> 16;
638         u32 data = nv_rd32(dev, 0x400708);
639         u32 code = nv_rd32(dev, 0x400110);
640         u32 class = nv_rd32(dev, 0x404200 + (subc * 4));
641
642         if (stat & 0x00000010) {
643                 if (nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data)) {
644                         NV_INFO(dev, "PGRAPH: ILLEGAL_MTHD ch %d [0x%010llx] "
645                                      "subc %d class 0x%04x mthd 0x%04x "
646                                      "data 0x%08x\n",
647                                 chid, inst, subc, class, mthd, data);
648                 }
649                 nv_wr32(dev, 0x400100, 0x00000010);
650                 stat &= ~0x00000010;
651         }
652
653         if (stat & 0x00000020) {
654                 NV_INFO(dev, "PGRAPH: ILLEGAL_CLASS ch %d [0x%010llx] subc %d "
655                              "class 0x%04x mthd 0x%04x data 0x%08x\n",
656                         chid, inst, subc, class, mthd, data);
657                 nv_wr32(dev, 0x400100, 0x00000020);
658                 stat &= ~0x00000020;
659         }
660
661         if (stat & 0x00100000) {
662                 NV_INFO(dev, "PGRAPH: DATA_ERROR [");
663                 nouveau_enum_print(nv50_data_error_names, code);
664                 printk("] ch %d [0x%010llx] subc %d class 0x%04x "
665                        "mthd 0x%04x data 0x%08x\n",
666                        chid, inst, subc, class, mthd, data);
667                 nv_wr32(dev, 0x400100, 0x00100000);
668                 stat &= ~0x00100000;
669         }
670
671         if (stat & 0x00200000) {
672                 nve0_graph_trap_isr(dev, chid);
673                 nv_wr32(dev, 0x400100, 0x00200000);
674                 stat &= ~0x00200000;
675         }
676
677         if (stat & 0x00080000) {
678                 nve0_graph_ctxctl_isr(dev);
679                 nv_wr32(dev, 0x400100, 0x00080000);
680                 stat &= ~0x00080000;
681         }
682
683         if (stat) {
684                 NV_INFO(dev, "PGRAPH: unknown stat 0x%08x\n", stat);
685                 nv_wr32(dev, 0x400100, stat);
686         }
687
688         nv_wr32(dev, 0x400500, 0x00010001);
689 }
690
691 static int
692 nve0_graph_create_fw(struct drm_device *dev, const char *fwname,
693                      struct nve0_graph_fuc *fuc)
694 {
695         struct drm_nouveau_private *dev_priv = dev->dev_private;
696         const struct firmware *fw;
697         char f[32];
698         int ret;
699
700         snprintf(f, sizeof(f), "nouveau/nv%02x_%s", dev_priv->chipset, fwname);
701         ret = request_firmware(&fw, f, &dev->pdev->dev);
702         if (ret)
703                 return ret;
704
705         fuc->size = fw->size;
706         fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
707         release_firmware(fw);
708         return (fuc->data != NULL) ? 0 : -ENOMEM;
709 }
710
711 static void
712 nve0_graph_destroy_fw(struct nve0_graph_fuc *fuc)
713 {
714         if (fuc->data) {
715                 kfree(fuc->data);
716                 fuc->data = NULL;
717         }
718 }
719
720 static void
721 nve0_graph_destroy(struct drm_device *dev, int engine)
722 {
723         struct nve0_graph_priv *priv = nv_engine(dev, engine);
724
725         nve0_graph_destroy_fw(&priv->fuc409c);
726         nve0_graph_destroy_fw(&priv->fuc409d);
727         nve0_graph_destroy_fw(&priv->fuc41ac);
728         nve0_graph_destroy_fw(&priv->fuc41ad);
729
730         nouveau_irq_unregister(dev, 12);
731
732         nouveau_gpuobj_ref(NULL, &priv->unk4188b8);
733         nouveau_gpuobj_ref(NULL, &priv->unk4188b4);
734
735         if (priv->grctx_vals)
736                 kfree(priv->grctx_vals);
737
738         NVOBJ_ENGINE_DEL(dev, GR);
739         kfree(priv);
740 }
741
742 int
743 nve0_graph_create(struct drm_device *dev)
744 {
745         struct drm_nouveau_private *dev_priv = dev->dev_private;
746         struct nve0_graph_priv *priv;
747         int ret, gpc, i;
748         u32 kepler;
749
750         kepler = nve0_graph_class(dev);
751         if (!kepler) {
752                 NV_ERROR(dev, "PGRAPH: unsupported chipset, please report!\n");
753                 return 0;
754         }
755
756         priv = kzalloc(sizeof(*priv), GFP_KERNEL);
757         if (!priv)
758                 return -ENOMEM;
759
760         priv->base.destroy = nve0_graph_destroy;
761         priv->base.init = nve0_graph_init;
762         priv->base.fini = nve0_graph_fini;
763         priv->base.context_new = nve0_graph_context_new;
764         priv->base.context_del = nve0_graph_context_del;
765         priv->base.object_new = nve0_graph_object_new;
766
767         NVOBJ_ENGINE_ADD(dev, GR, &priv->base);
768         nouveau_irq_register(dev, 12, nve0_graph_isr);
769
770         NV_INFO(dev, "PGRAPH: using external firmware\n");
771         if (nve0_graph_create_fw(dev, "fuc409c", &priv->fuc409c) ||
772             nve0_graph_create_fw(dev, "fuc409d", &priv->fuc409d) ||
773             nve0_graph_create_fw(dev, "fuc41ac", &priv->fuc41ac) ||
774             nve0_graph_create_fw(dev, "fuc41ad", &priv->fuc41ad)) {
775                 ret = 0;
776                 goto error;
777         }
778
779         ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b4);
780         if (ret)
781                 goto error;
782
783         ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b8);
784         if (ret)
785                 goto error;
786
787         for (i = 0; i < 0x1000; i += 4) {
788                 nv_wo32(priv->unk4188b4, i, 0x00000010);
789                 nv_wo32(priv->unk4188b8, i, 0x00000010);
790         }
791
792         priv->gpc_nr  =  nv_rd32(dev, 0x409604) & 0x0000001f;
793         priv->rop_nr = (nv_rd32(dev, 0x409604) & 0x001f0000) >> 16;
794         for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
795                 priv->tpc_nr[gpc] = nv_rd32(dev, GPC_UNIT(gpc, 0x2608));
796                 priv->tpc_total += priv->tpc_nr[gpc];
797         }
798
799         switch (dev_priv->chipset) {
800         case 0xe4:
801                 if (priv->tpc_total == 8)
802                         priv->magic_not_rop_nr = 3;
803                 else
804                 if (priv->tpc_total == 7)
805                         priv->magic_not_rop_nr = 1;
806                 break;
807         case 0xe7:
808                 priv->magic_not_rop_nr = 1;
809                 break;
810         default:
811                 break;
812         }
813
814         if (!priv->magic_not_rop_nr) {
815                 NV_ERROR(dev, "PGRAPH: unknown config: %d/%d/%d/%d, %d\n",
816                          priv->tpc_nr[0], priv->tpc_nr[1], priv->tpc_nr[2],
817                          priv->tpc_nr[3], priv->rop_nr);
818                 priv->magic_not_rop_nr = 0x00;
819         }
820
821         NVOBJ_CLASS(dev, 0xa097, GR); /* subc 0: 3D */
822         NVOBJ_CLASS(dev, 0xa0c0, GR); /* subc 1: COMPUTE */
823         NVOBJ_CLASS(dev, 0xa040, GR); /* subc 2: P2MF */
824         NVOBJ_CLASS(dev, 0x902d, GR); /* subc 3: 2D */
825         NVOBJ_CLASS(dev, 0xa0b5, GR); /* subc 4: COPY */
826         return 0;
827
828 error:
829         nve0_graph_destroy(dev, NVOBJ_ENGINE_GR);
830         return ret;
831 }