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1/*
2 * Copyright (C) 2007 Ben Skeggs.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include "drmP.h"
28#include "drm.h"
29#include "nouveau_drv.h"
30#include "nouveau_grctx.h"
31#include "nouveau_ramht.h"
32
33struct nv40_graph_engine {
34 struct nouveau_exec_engine base;
35 u32 grctx_size;
36};
37
38static int
39nv40_graph_context_new(struct nouveau_channel *chan, int engine)
40{
41 struct nv40_graph_engine *pgraph = nv_engine(chan->dev, engine);
42 struct drm_device *dev = chan->dev;
43 struct drm_nouveau_private *dev_priv = dev->dev_private;
44 struct nouveau_gpuobj *grctx = NULL;
45 struct nouveau_grctx ctx = {};
46 unsigned long flags;
47 int ret;
48
49 ret = nouveau_gpuobj_new(dev, NULL, pgraph->grctx_size, 16,
50 NVOBJ_FLAG_ZERO_ALLOC, &grctx);
51 if (ret)
52 return ret;
53
54 /* Initialise default context values */
55 ctx.dev = chan->dev;
56 ctx.mode = NOUVEAU_GRCTX_VALS;
57 ctx.data = grctx;
58 nv40_grctx_init(&ctx);
59
60 nv_wo32(grctx, 0, grctx->vinst);
61
62 /* init grctx pointer in ramfc, and on PFIFO if channel is
63 * already active there
64 */
65 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
66 nv_wo32(chan->ramfc, 0x38, grctx->vinst >> 4);
67 nv_mask(dev, 0x002500, 0x00000001, 0x00000000);
68 if ((nv_rd32(dev, 0x003204) & 0x0000001f) == chan->id)
69 nv_wr32(dev, 0x0032e0, grctx->vinst >> 4);
70 nv_mask(dev, 0x002500, 0x00000001, 0x00000001);
71 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
72
73 chan->engctx[engine] = grctx;
74 return 0;
75}
76
77static void
78nv40_graph_context_del(struct nouveau_channel *chan, int engine)
79{
80 struct nouveau_gpuobj *grctx = chan->engctx[engine];
81 struct drm_device *dev = chan->dev;
82 struct drm_nouveau_private *dev_priv = dev->dev_private;
83 u32 inst = 0x01000000 | (grctx->pinst >> 4);
84 unsigned long flags;
85
86 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
87 nv_mask(dev, 0x400720, 0x00000000, 0x00000001);
88 if (nv_rd32(dev, 0x40032c) == inst)
89 nv_mask(dev, 0x40032c, 0x01000000, 0x00000000);
90 if (nv_rd32(dev, 0x400330) == inst)
91 nv_mask(dev, 0x400330, 0x01000000, 0x00000000);
92 nv_mask(dev, 0x400720, 0x00000001, 0x00000001);
93 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
94
95 /* Free the context resources */
96 nouveau_gpuobj_ref(NULL, &grctx);
97 chan->engctx[engine] = NULL;
98}
99
100int
101nv40_graph_object_new(struct nouveau_channel *chan, int engine,
102 u32 handle, u16 class)
103{
104 struct drm_device *dev = chan->dev;
105 struct nouveau_gpuobj *obj = NULL;
106 int ret;
107
108 ret = nouveau_gpuobj_new(dev, chan, 20, 16, NVOBJ_FLAG_ZERO_FREE, &obj);
109 if (ret)
110 return ret;
111 obj->engine = 1;
112 obj->class = class;
113
114 nv_wo32(obj, 0x00, class);
115 nv_wo32(obj, 0x04, 0x00000000);
116#ifndef __BIG_ENDIAN
117 nv_wo32(obj, 0x08, 0x00000000);
118#else
119 nv_wo32(obj, 0x08, 0x01000000);
120#endif
121 nv_wo32(obj, 0x0c, 0x00000000);
122 nv_wo32(obj, 0x10, 0x00000000);
123
124 ret = nouveau_ramht_insert(chan, handle, obj);
125 nouveau_gpuobj_ref(NULL, &obj);
126 return ret;
127}
128
129static void
130nv40_graph_set_tile_region(struct drm_device *dev, int i)
131{
132 struct drm_nouveau_private *dev_priv = dev->dev_private;
133 struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
134
135 switch (dev_priv->chipset) {
136 case 0x40:
137 case 0x41: /* guess */
138 case 0x42:
139 case 0x43:
140 case 0x45: /* guess */
141 case 0x4e:
142 nv_wr32(dev, NV20_PGRAPH_TSIZE(i), tile->pitch);
143 nv_wr32(dev, NV20_PGRAPH_TLIMIT(i), tile->limit);
144 nv_wr32(dev, NV20_PGRAPH_TILE(i), tile->addr);
145 nv_wr32(dev, NV40_PGRAPH_TSIZE1(i), tile->pitch);
146 nv_wr32(dev, NV40_PGRAPH_TLIMIT1(i), tile->limit);
147 nv_wr32(dev, NV40_PGRAPH_TILE1(i), tile->addr);
148 break;
149 case 0x44:
150 case 0x4a:
151 nv_wr32(dev, NV20_PGRAPH_TSIZE(i), tile->pitch);
152 nv_wr32(dev, NV20_PGRAPH_TLIMIT(i), tile->limit);
153 nv_wr32(dev, NV20_PGRAPH_TILE(i), tile->addr);
154 break;
155 case 0x46:
156 case 0x47:
157 case 0x49:
158 case 0x4b:
159 case 0x4c:
160 case 0x67:
161 default:
162 nv_wr32(dev, NV47_PGRAPH_TSIZE(i), tile->pitch);
163 nv_wr32(dev, NV47_PGRAPH_TLIMIT(i), tile->limit);
164 nv_wr32(dev, NV47_PGRAPH_TILE(i), tile->addr);
165 nv_wr32(dev, NV40_PGRAPH_TSIZE1(i), tile->pitch);
166 nv_wr32(dev, NV40_PGRAPH_TLIMIT1(i), tile->limit);
167 nv_wr32(dev, NV40_PGRAPH_TILE1(i), tile->addr);
168 break;
169 }
170}
171
172/*
173 * G70 0x47
174 * G71 0x49
175 * NV45 0x48
176 * G72[M] 0x46
177 * G73 0x4b
178 * C51_G7X 0x4c
179 * C51 0x4e
180 */
181int
182nv40_graph_init(struct drm_device *dev, int engine)
183{
184 struct nv40_graph_engine *pgraph = nv_engine(dev, engine);
185 struct drm_nouveau_private *dev_priv = dev->dev_private;
186 struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
187 struct nouveau_grctx ctx = {};
188 uint32_t vramsz, *cp;
189 int i, j;
190
191 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) &
192 ~NV_PMC_ENABLE_PGRAPH);
193 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
194 NV_PMC_ENABLE_PGRAPH);
195
196 cp = kmalloc(sizeof(*cp) * 256, GFP_KERNEL);
197 if (!cp)
198 return -ENOMEM;
199
200 ctx.dev = dev;
201 ctx.mode = NOUVEAU_GRCTX_PROG;
202 ctx.data = cp;
203 ctx.ctxprog_max = 256;
204 nv40_grctx_init(&ctx);
205 pgraph->grctx_size = ctx.ctxvals_pos * 4;
206
207 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
208 for (i = 0; i < ctx.ctxprog_len; i++)
209 nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
210
211 kfree(cp);
212
213 /* No context present currently */
214 nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
215
216 nv_wr32(dev, NV03_PGRAPH_INTR , 0xFFFFFFFF);
217 nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);
218
219 nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
220 nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x00000000);
221 nv_wr32(dev, NV04_PGRAPH_DEBUG_1, 0x401287c0);
222 nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
223 nv_wr32(dev, NV10_PGRAPH_DEBUG_4, 0x00008000);
224 nv_wr32(dev, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);
225
226 nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
227 nv_wr32(dev, NV10_PGRAPH_STATE , 0xFFFFFFFF);
228
229 j = nv_rd32(dev, 0x1540) & 0xff;
230 if (j) {
231 for (i = 0; !(j & 1); j >>= 1, i++)
232 ;
233 nv_wr32(dev, 0x405000, i);
234 }
235
236 if (dev_priv->chipset == 0x40) {
237 nv_wr32(dev, 0x4009b0, 0x83280fff);
238 nv_wr32(dev, 0x4009b4, 0x000000a0);
239 } else {
240 nv_wr32(dev, 0x400820, 0x83280eff);
241 nv_wr32(dev, 0x400824, 0x000000a0);
242 }
243
244 switch (dev_priv->chipset) {
245 case 0x40:
246 case 0x45:
247 nv_wr32(dev, 0x4009b8, 0x0078e366);
248 nv_wr32(dev, 0x4009bc, 0x0000014c);
249 break;
250 case 0x41:
251 case 0x42: /* pciid also 0x00Cx */
252 /* case 0x0120: XXX (pciid) */
253 nv_wr32(dev, 0x400828, 0x007596ff);
254 nv_wr32(dev, 0x40082c, 0x00000108);
255 break;
256 case 0x43:
257 nv_wr32(dev, 0x400828, 0x0072cb77);
258 nv_wr32(dev, 0x40082c, 0x00000108);
259 break;
260 case 0x44:
261 case 0x46: /* G72 */
262 case 0x4a:
263 case 0x4c: /* G7x-based C51 */
264 case 0x4e:
265 nv_wr32(dev, 0x400860, 0);
266 nv_wr32(dev, 0x400864, 0);
267 break;
268 case 0x47: /* G70 */
269 case 0x49: /* G71 */
270 case 0x4b: /* G73 */
271 nv_wr32(dev, 0x400828, 0x07830610);
272 nv_wr32(dev, 0x40082c, 0x0000016A);
273 break;
274 default:
275 break;
276 }
277
278 nv_wr32(dev, 0x400b38, 0x2ffff800);
279 nv_wr32(dev, 0x400b3c, 0x00006000);
280
281 /* Tiling related stuff. */
282 switch (dev_priv->chipset) {
283 case 0x44:
284 case 0x4a:
285 nv_wr32(dev, 0x400bc4, 0x1003d888);
286 nv_wr32(dev, 0x400bbc, 0xb7a7b500);
287 break;
288 case 0x46:
289 nv_wr32(dev, 0x400bc4, 0x0000e024);
290 nv_wr32(dev, 0x400bbc, 0xb7a7b520);
291 break;
292 case 0x4c:
293 case 0x4e:
294 case 0x67:
295 nv_wr32(dev, 0x400bc4, 0x1003d888);
296 nv_wr32(dev, 0x400bbc, 0xb7a7b540);
297 break;
298 default:
299 break;
300 }
301
302 /* Turn all the tiling regions off. */
303 for (i = 0; i < pfb->num_tiles; i++)
304 nv40_graph_set_tile_region(dev, i);
305
306 /* begin RAM config */
307 vramsz = pci_resource_len(dev->pdev, 0) - 1;
308 switch (dev_priv->chipset) {
309 case 0x40:
310 nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
311 nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
312 nv_wr32(dev, 0x4069A4, nv_rd32(dev, NV04_PFB_CFG0));
313 nv_wr32(dev, 0x4069A8, nv_rd32(dev, NV04_PFB_CFG1));
314 nv_wr32(dev, 0x400820, 0);
315 nv_wr32(dev, 0x400824, 0);
316 nv_wr32(dev, 0x400864, vramsz);
317 nv_wr32(dev, 0x400868, vramsz);
318 break;
319 default:
320 switch (dev_priv->chipset) {
321 case 0x41:
322 case 0x42:
323 case 0x43:
324 case 0x45:
325 case 0x4e:
326 case 0x44:
327 case 0x4a:
328 nv_wr32(dev, 0x4009F0, nv_rd32(dev, NV04_PFB_CFG0));
329 nv_wr32(dev, 0x4009F4, nv_rd32(dev, NV04_PFB_CFG1));
330 break;
331 default:
332 nv_wr32(dev, 0x400DF0, nv_rd32(dev, NV04_PFB_CFG0));
333 nv_wr32(dev, 0x400DF4, nv_rd32(dev, NV04_PFB_CFG1));
334 break;
335 }
336 nv_wr32(dev, 0x4069F0, nv_rd32(dev, NV04_PFB_CFG0));
337 nv_wr32(dev, 0x4069F4, nv_rd32(dev, NV04_PFB_CFG1));
338 nv_wr32(dev, 0x400840, 0);
339 nv_wr32(dev, 0x400844, 0);
340 nv_wr32(dev, 0x4008A0, vramsz);
341 nv_wr32(dev, 0x4008A4, vramsz);
342 break;
343 }
344
345 return 0;
346}
347
348static int
349nv40_graph_fini(struct drm_device *dev, int engine, bool suspend)
350{
351 u32 inst = nv_rd32(dev, 0x40032c);
352 if (inst & 0x01000000) {
353 nv_wr32(dev, 0x400720, 0x00000000);
354 nv_wr32(dev, 0x400784, inst);
355 nv_mask(dev, 0x400310, 0x00000020, 0x00000020);
356 nv_mask(dev, 0x400304, 0x00000001, 0x00000001);
357 if (!nv_wait(dev, 0x400300, 0x00000001, 0x00000000)) {
358 u32 insn = nv_rd32(dev, 0x400308);
359 NV_ERROR(dev, "PGRAPH: ctxprog timeout 0x%08x\n", insn);
360 }
361 nv_mask(dev, 0x40032c, 0x01000000, 0x00000000);
362 }
363 return 0;
364}
365
366static int
367nv40_graph_isr_chid(struct drm_device *dev, u32 inst)
368{
369 struct drm_nouveau_private *dev_priv = dev->dev_private;
370 struct nouveau_gpuobj *grctx;
371 unsigned long flags;
372 int i;
373
374 spin_lock_irqsave(&dev_priv->channels.lock, flags);
375 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
376 if (!dev_priv->channels.ptr[i])
377 continue;
378 grctx = dev_priv->channels.ptr[i]->engctx[NVOBJ_ENGINE_GR];
379
380 if (grctx && grctx->pinst == inst)
381 break;
382 }
383 spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
384 return i;
385}
386
387static void
388nv40_graph_isr(struct drm_device *dev)
389{
390 u32 stat;
391
392 while ((stat = nv_rd32(dev, NV03_PGRAPH_INTR))) {
393 u32 nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
394 u32 nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
395 u32 inst = (nv_rd32(dev, 0x40032c) & 0x000fffff) << 4;
396 u32 chid = nv40_graph_isr_chid(dev, inst);
397 u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
398 u32 subc = (addr & 0x00070000) >> 16;
399 u32 mthd = (addr & 0x00001ffc);
400 u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
401 u32 class = nv_rd32(dev, 0x400160 + subc * 4) & 0xffff;
402 u32 show = stat;
403
404 if (stat & NV_PGRAPH_INTR_ERROR) {
405 if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
406 if (!nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data))
407 show &= ~NV_PGRAPH_INTR_ERROR;
408 } else
409 if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
410 nv_mask(dev, 0x402000, 0, 0);
411 }
412 }
413
414 nv_wr32(dev, NV03_PGRAPH_INTR, stat);
415 nv_wr32(dev, NV04_PGRAPH_FIFO, 0x00000001);
416
417 if (show && nouveau_ratelimit()) {
418 NV_INFO(dev, "PGRAPH -");
419 nouveau_bitfield_print(nv10_graph_intr, show);
420 printk(" nsource:");
421 nouveau_bitfield_print(nv04_graph_nsource, nsource);
422 printk(" nstatus:");
423 nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
424 printk("\n");
425 NV_INFO(dev, "PGRAPH - ch %d (0x%08x) subc %d "
426 "class 0x%04x mthd 0x%04x data 0x%08x\n",
427 chid, inst, subc, class, mthd, data);
428 }
429 }
430}
431
432static void
433nv40_graph_destroy(struct drm_device *dev, int engine)
434{
435 struct nv40_graph_engine *pgraph = nv_engine(dev, engine);
436
437 nouveau_irq_unregister(dev, 12);
438
439 NVOBJ_ENGINE_DEL(dev, GR);
440 kfree(pgraph);
441}
442
443int
444nv40_graph_create(struct drm_device *dev)
445{
446 struct nv40_graph_engine *pgraph;
447
448 pgraph = kzalloc(sizeof(*pgraph), GFP_KERNEL);
449 if (!pgraph)
450 return -ENOMEM;
451
452 pgraph->base.destroy = nv40_graph_destroy;
453 pgraph->base.init = nv40_graph_init;
454 pgraph->base.fini = nv40_graph_fini;
455 pgraph->base.context_new = nv40_graph_context_new;
456 pgraph->base.context_del = nv40_graph_context_del;
457 pgraph->base.object_new = nv40_graph_object_new;
458 pgraph->base.set_tile_region = nv40_graph_set_tile_region;
459
460 NVOBJ_ENGINE_ADD(dev, GR, &pgraph->base);
461 nouveau_irq_register(dev, 12, nv40_graph_isr);
462
463 NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
464 NVOBJ_CLASS(dev, 0x0030, GR); /* null */
465 NVOBJ_CLASS(dev, 0x0039, GR); /* m2mf */
466 NVOBJ_CLASS(dev, 0x004a, GR); /* gdirect */
467 NVOBJ_CLASS(dev, 0x009f, GR); /* imageblit (nv12) */
468 NVOBJ_CLASS(dev, 0x008a, GR); /* ifc */
469 NVOBJ_CLASS(dev, 0x0089, GR); /* sifm */
470 NVOBJ_CLASS(dev, 0x3089, GR); /* sifm (nv40) */
471 NVOBJ_CLASS(dev, 0x0062, GR); /* surf2d */
472 NVOBJ_CLASS(dev, 0x3062, GR); /* surf2d (nv40) */
473 NVOBJ_CLASS(dev, 0x0043, GR); /* rop */
474 NVOBJ_CLASS(dev, 0x0012, GR); /* beta1 */
475 NVOBJ_CLASS(dev, 0x0072, GR); /* beta4 */
476 NVOBJ_CLASS(dev, 0x0019, GR); /* cliprect */
477 NVOBJ_CLASS(dev, 0x0044, GR); /* pattern */
478 NVOBJ_CLASS(dev, 0x309e, GR); /* swzsurf */
479
480 /* curie */
481 if (nv44_graph_class(dev))
482 NVOBJ_CLASS(dev, 0x4497, GR);
483 else
484 NVOBJ_CLASS(dev, 0x4097, GR);
485
486 /* nvsw */
487 NVOBJ_CLASS(dev, 0x506e, SW);
488 NVOBJ_MTHD (dev, 0x506e, 0x0500, nv04_graph_mthd_page_flip);
489 return 0;
490}