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 #include "nv40.h"
25 #include "regs.h"
26
27 #include <core/client.h>
28 #include <core/gpuobj.h>
29 #include <subdev/fb.h>
30 #include <subdev/timer.h>
31 #include <engine/fifo.h>
32
33 u64
nv40_gr_units(struct nvkm_gr * gr)34 nv40_gr_units(struct nvkm_gr *gr)
35 {
36 return nvkm_rd32(gr->engine.subdev.device, 0x1540);
37 }
38
39 /*******************************************************************************
40 * Graphics object classes
41 ******************************************************************************/
42
43 static int
nv40_gr_object_bind(struct nvkm_object * object,struct nvkm_gpuobj * parent,int align,struct nvkm_gpuobj ** pgpuobj)44 nv40_gr_object_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
45 int align, struct nvkm_gpuobj **pgpuobj)
46 {
47 int ret = nvkm_gpuobj_new(object->engine->subdev.device, 20, align,
48 false, parent, pgpuobj);
49 if (ret == 0) {
50 nvkm_kmap(*pgpuobj);
51 nvkm_wo32(*pgpuobj, 0x00, object->oclass);
52 nvkm_wo32(*pgpuobj, 0x04, 0x00000000);
53 nvkm_wo32(*pgpuobj, 0x08, 0x00000000);
54 #ifdef __BIG_ENDIAN
55 nvkm_mo32(*pgpuobj, 0x08, 0x01000000, 0x01000000);
56 #endif
57 nvkm_wo32(*pgpuobj, 0x0c, 0x00000000);
58 nvkm_wo32(*pgpuobj, 0x10, 0x00000000);
59 nvkm_done(*pgpuobj);
60 }
61 return ret;
62 }
63
64 const struct nvkm_object_func
65 nv40_gr_object = {
66 .bind = nv40_gr_object_bind,
67 };
68
69 /*******************************************************************************
70 * PGRAPH context
71 ******************************************************************************/
72
73 static int
nv40_gr_chan_bind(struct nvkm_object * object,struct nvkm_gpuobj * parent,int align,struct nvkm_gpuobj ** pgpuobj)74 nv40_gr_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
75 int align, struct nvkm_gpuobj **pgpuobj)
76 {
77 struct nv40_gr_chan *chan = nv40_gr_chan(object);
78 struct nv40_gr *gr = chan->gr;
79 int ret = nvkm_gpuobj_new(gr->base.engine.subdev.device, gr->size,
80 align, true, parent, pgpuobj);
81 if (ret == 0) {
82 chan->inst = (*pgpuobj)->addr;
83 nvkm_kmap(*pgpuobj);
84 nv40_grctx_fill(gr->base.engine.subdev.device, *pgpuobj);
85 nvkm_wo32(*pgpuobj, 0x00000, chan->inst >> 4);
86 nvkm_done(*pgpuobj);
87 }
88 return ret;
89 }
90
91 static int
nv40_gr_chan_fini(struct nvkm_object * object,bool suspend)92 nv40_gr_chan_fini(struct nvkm_object *object, bool suspend)
93 {
94 struct nv40_gr_chan *chan = nv40_gr_chan(object);
95 struct nv40_gr *gr = chan->gr;
96 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
97 struct nvkm_device *device = subdev->device;
98 u32 inst = 0x01000000 | chan->inst >> 4;
99 int ret = 0;
100
101 nvkm_mask(device, 0x400720, 0x00000001, 0x00000000);
102
103 if (nvkm_rd32(device, 0x40032c) == inst) {
104 if (suspend) {
105 nvkm_wr32(device, 0x400720, 0x00000000);
106 nvkm_wr32(device, 0x400784, inst);
107 nvkm_mask(device, 0x400310, 0x00000020, 0x00000020);
108 nvkm_mask(device, 0x400304, 0x00000001, 0x00000001);
109 if (nvkm_msec(device, 2000,
110 if (!(nvkm_rd32(device, 0x400300) & 0x00000001))
111 break;
112 ) < 0) {
113 u32 insn = nvkm_rd32(device, 0x400308);
114 nvkm_warn(subdev, "ctxprog timeout %08x\n", insn);
115 ret = -EBUSY;
116 }
117 }
118
119 nvkm_mask(device, 0x40032c, 0x01000000, 0x00000000);
120 }
121
122 if (nvkm_rd32(device, 0x400330) == inst)
123 nvkm_mask(device, 0x400330, 0x01000000, 0x00000000);
124
125 nvkm_mask(device, 0x400720, 0x00000001, 0x00000001);
126 return ret;
127 }
128
129 static void *
nv40_gr_chan_dtor(struct nvkm_object * object)130 nv40_gr_chan_dtor(struct nvkm_object *object)
131 {
132 struct nv40_gr_chan *chan = nv40_gr_chan(object);
133 unsigned long flags;
134 spin_lock_irqsave(&chan->gr->base.engine.lock, flags);
135 list_del(&chan->head);
136 spin_unlock_irqrestore(&chan->gr->base.engine.lock, flags);
137 return chan;
138 }
139
140 static const struct nvkm_object_func
141 nv40_gr_chan = {
142 .dtor = nv40_gr_chan_dtor,
143 .fini = nv40_gr_chan_fini,
144 .bind = nv40_gr_chan_bind,
145 };
146
147 int
nv40_gr_chan_new(struct nvkm_gr * base,struct nvkm_chan * fifoch,const struct nvkm_oclass * oclass,struct nvkm_object ** pobject)148 nv40_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
149 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
150 {
151 struct nv40_gr *gr = nv40_gr(base);
152 struct nv40_gr_chan *chan;
153 unsigned long flags;
154
155 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
156 return -ENOMEM;
157 nvkm_object_ctor(&nv40_gr_chan, oclass, &chan->object);
158 chan->gr = gr;
159 chan->fifo = fifoch;
160 *pobject = &chan->object;
161
162 spin_lock_irqsave(&chan->gr->base.engine.lock, flags);
163 list_add(&chan->head, &gr->chan);
164 spin_unlock_irqrestore(&chan->gr->base.engine.lock, flags);
165 return 0;
166 }
167
168 /*******************************************************************************
169 * PGRAPH engine/subdev functions
170 ******************************************************************************/
171
172 static void
nv40_gr_tile(struct nvkm_gr * base,int i,struct nvkm_fb_tile * tile)173 nv40_gr_tile(struct nvkm_gr *base, int i, struct nvkm_fb_tile *tile)
174 {
175 struct nv40_gr *gr = nv40_gr(base);
176 struct nvkm_device *device = gr->base.engine.subdev.device;
177 struct nvkm_fifo *fifo = device->fifo;
178 unsigned long flags;
179
180 nvkm_fifo_pause(fifo, &flags);
181 nv04_gr_idle(&gr->base);
182
183 switch (device->chipset) {
184 case 0x40:
185 case 0x41:
186 case 0x42:
187 case 0x43:
188 case 0x45:
189 nvkm_wr32(device, NV20_PGRAPH_TSIZE(i), tile->pitch);
190 nvkm_wr32(device, NV20_PGRAPH_TLIMIT(i), tile->limit);
191 nvkm_wr32(device, NV20_PGRAPH_TILE(i), tile->addr);
192 nvkm_wr32(device, NV40_PGRAPH_TSIZE1(i), tile->pitch);
193 nvkm_wr32(device, NV40_PGRAPH_TLIMIT1(i), tile->limit);
194 nvkm_wr32(device, NV40_PGRAPH_TILE1(i), tile->addr);
195 switch (device->chipset) {
196 case 0x40:
197 case 0x45:
198 nvkm_wr32(device, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
199 nvkm_wr32(device, NV40_PGRAPH_ZCOMP1(i), tile->zcomp);
200 break;
201 case 0x41:
202 case 0x42:
203 case 0x43:
204 nvkm_wr32(device, NV41_PGRAPH_ZCOMP0(i), tile->zcomp);
205 nvkm_wr32(device, NV41_PGRAPH_ZCOMP1(i), tile->zcomp);
206 break;
207 default:
208 break;
209 }
210 break;
211 case 0x47:
212 case 0x49:
213 case 0x4b:
214 nvkm_wr32(device, NV47_PGRAPH_TSIZE(i), tile->pitch);
215 nvkm_wr32(device, NV47_PGRAPH_TLIMIT(i), tile->limit);
216 nvkm_wr32(device, NV47_PGRAPH_TILE(i), tile->addr);
217 nvkm_wr32(device, NV40_PGRAPH_TSIZE1(i), tile->pitch);
218 nvkm_wr32(device, NV40_PGRAPH_TLIMIT1(i), tile->limit);
219 nvkm_wr32(device, NV40_PGRAPH_TILE1(i), tile->addr);
220 nvkm_wr32(device, NV47_PGRAPH_ZCOMP0(i), tile->zcomp);
221 nvkm_wr32(device, NV47_PGRAPH_ZCOMP1(i), tile->zcomp);
222 break;
223 default:
224 WARN_ON(1);
225 break;
226 }
227
228 nvkm_fifo_start(fifo, &flags);
229 }
230
231 void
nv40_gr_intr(struct nvkm_gr * base)232 nv40_gr_intr(struct nvkm_gr *base)
233 {
234 struct nv40_gr *gr = nv40_gr(base);
235 struct nv40_gr_chan *temp, *chan = NULL;
236 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
237 struct nvkm_device *device = subdev->device;
238 u32 stat = nvkm_rd32(device, NV03_PGRAPH_INTR);
239 u32 nsource = nvkm_rd32(device, NV03_PGRAPH_NSOURCE);
240 u32 nstatus = nvkm_rd32(device, NV03_PGRAPH_NSTATUS);
241 u32 inst = nvkm_rd32(device, 0x40032c) & 0x000fffff;
242 u32 addr = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR);
243 u32 subc = (addr & 0x00070000) >> 16;
244 u32 mthd = (addr & 0x00001ffc);
245 u32 data = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_DATA);
246 u32 class = nvkm_rd32(device, 0x400160 + subc * 4) & 0xffff;
247 u32 show = stat;
248 char msg[128], src[128], sta[128];
249 unsigned long flags;
250
251 spin_lock_irqsave(&gr->base.engine.lock, flags);
252 list_for_each_entry(temp, &gr->chan, head) {
253 if (temp->inst >> 4 == inst) {
254 chan = temp;
255 list_del(&chan->head);
256 list_add(&chan->head, &gr->chan);
257 break;
258 }
259 }
260
261 if (stat & NV_PGRAPH_INTR_ERROR) {
262 if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
263 nvkm_mask(device, 0x402000, 0, 0);
264 }
265 }
266
267 nvkm_wr32(device, NV03_PGRAPH_INTR, stat);
268 nvkm_wr32(device, NV04_PGRAPH_FIFO, 0x00000001);
269
270 if (show) {
271 nvkm_snprintbf(msg, sizeof(msg), nv10_gr_intr_name, show);
272 nvkm_snprintbf(src, sizeof(src), nv04_gr_nsource, nsource);
273 nvkm_snprintbf(sta, sizeof(sta), nv10_gr_nstatus, nstatus);
274 nvkm_error(subdev, "intr %08x [%s] nsource %08x [%s] "
275 "nstatus %08x [%s] ch %d [%08x %s] subc %d "
276 "class %04x mthd %04x data %08x\n",
277 show, msg, nsource, src, nstatus, sta,
278 chan ? chan->fifo->id : -1, inst << 4,
279 chan ? chan->fifo->name : "unknown",
280 subc, class, mthd, data);
281 }
282
283 spin_unlock_irqrestore(&gr->base.engine.lock, flags);
284 }
285
286 int
nv40_gr_init(struct nvkm_gr * base)287 nv40_gr_init(struct nvkm_gr *base)
288 {
289 struct nv40_gr *gr = nv40_gr(base);
290 struct nvkm_device *device = gr->base.engine.subdev.device;
291 int ret, i, j;
292 u32 vramsz;
293
294 /* generate and upload context program */
295 ret = nv40_grctx_init(device, &gr->size);
296 if (ret)
297 return ret;
298
299 /* No context present currently */
300 nvkm_wr32(device, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
301
302 nvkm_wr32(device, NV03_PGRAPH_INTR , 0xFFFFFFFF);
303 nvkm_wr32(device, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);
304
305 nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
306 nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0x00000000);
307 nvkm_wr32(device, NV04_PGRAPH_DEBUG_1, 0x401287c0);
308 nvkm_wr32(device, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
309 nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x00008000);
310 nvkm_wr32(device, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);
311
312 nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
313 nvkm_wr32(device, NV10_PGRAPH_STATE , 0xFFFFFFFF);
314
315 j = nvkm_rd32(device, 0x1540) & 0xff;
316 if (j) {
317 for (i = 0; !(j & 1); j >>= 1, i++)
318 ;
319 nvkm_wr32(device, 0x405000, i);
320 }
321
322 if (device->chipset == 0x40) {
323 nvkm_wr32(device, 0x4009b0, 0x83280fff);
324 nvkm_wr32(device, 0x4009b4, 0x000000a0);
325 } else {
326 nvkm_wr32(device, 0x400820, 0x83280eff);
327 nvkm_wr32(device, 0x400824, 0x000000a0);
328 }
329
330 switch (device->chipset) {
331 case 0x40:
332 case 0x45:
333 nvkm_wr32(device, 0x4009b8, 0x0078e366);
334 nvkm_wr32(device, 0x4009bc, 0x0000014c);
335 break;
336 case 0x41:
337 case 0x42: /* pciid also 0x00Cx */
338 /* case 0x0120: XXX (pciid) */
339 nvkm_wr32(device, 0x400828, 0x007596ff);
340 nvkm_wr32(device, 0x40082c, 0x00000108);
341 break;
342 case 0x43:
343 nvkm_wr32(device, 0x400828, 0x0072cb77);
344 nvkm_wr32(device, 0x40082c, 0x00000108);
345 break;
346 case 0x44:
347 case 0x46: /* G72 */
348 case 0x4a:
349 case 0x4c: /* G7x-based C51 */
350 case 0x4e:
351 nvkm_wr32(device, 0x400860, 0);
352 nvkm_wr32(device, 0x400864, 0);
353 break;
354 case 0x47: /* G70 */
355 case 0x49: /* G71 */
356 case 0x4b: /* G73 */
357 nvkm_wr32(device, 0x400828, 0x07830610);
358 nvkm_wr32(device, 0x40082c, 0x0000016A);
359 break;
360 default:
361 break;
362 }
363
364 nvkm_wr32(device, 0x400b38, 0x2ffff800);
365 nvkm_wr32(device, 0x400b3c, 0x00006000);
366
367 /* Tiling related stuff. */
368 switch (device->chipset) {
369 case 0x44:
370 case 0x4a:
371 nvkm_wr32(device, 0x400bc4, 0x1003d888);
372 nvkm_wr32(device, 0x400bbc, 0xb7a7b500);
373 break;
374 case 0x46:
375 nvkm_wr32(device, 0x400bc4, 0x0000e024);
376 nvkm_wr32(device, 0x400bbc, 0xb7a7b520);
377 break;
378 case 0x4c:
379 case 0x4e:
380 case 0x67:
381 nvkm_wr32(device, 0x400bc4, 0x1003d888);
382 nvkm_wr32(device, 0x400bbc, 0xb7a7b540);
383 break;
384 default:
385 break;
386 }
387
388 /* begin RAM config */
389 vramsz = device->func->resource_size(device, 1) - 1;
390 switch (device->chipset) {
391 case 0x40:
392 nvkm_wr32(device, 0x4009A4, nvkm_rd32(device, 0x100200));
393 nvkm_wr32(device, 0x4009A8, nvkm_rd32(device, 0x100204));
394 nvkm_wr32(device, 0x4069A4, nvkm_rd32(device, 0x100200));
395 nvkm_wr32(device, 0x4069A8, nvkm_rd32(device, 0x100204));
396 nvkm_wr32(device, 0x400820, 0);
397 nvkm_wr32(device, 0x400824, 0);
398 nvkm_wr32(device, 0x400864, vramsz);
399 nvkm_wr32(device, 0x400868, vramsz);
400 break;
401 default:
402 switch (device->chipset) {
403 case 0x41:
404 case 0x42:
405 case 0x43:
406 case 0x45:
407 case 0x4e:
408 case 0x44:
409 case 0x4a:
410 nvkm_wr32(device, 0x4009F0, nvkm_rd32(device, 0x100200));
411 nvkm_wr32(device, 0x4009F4, nvkm_rd32(device, 0x100204));
412 break;
413 default:
414 nvkm_wr32(device, 0x400DF0, nvkm_rd32(device, 0x100200));
415 nvkm_wr32(device, 0x400DF4, nvkm_rd32(device, 0x100204));
416 break;
417 }
418 nvkm_wr32(device, 0x4069F0, nvkm_rd32(device, 0x100200));
419 nvkm_wr32(device, 0x4069F4, nvkm_rd32(device, 0x100204));
420 nvkm_wr32(device, 0x400840, 0);
421 nvkm_wr32(device, 0x400844, 0);
422 nvkm_wr32(device, 0x4008A0, vramsz);
423 nvkm_wr32(device, 0x4008A4, vramsz);
424 break;
425 }
426
427 return 0;
428 }
429
430 int
nv40_gr_new_(const struct nvkm_gr_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_gr ** pgr)431 nv40_gr_new_(const struct nvkm_gr_func *func, struct nvkm_device *device,
432 enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
433 {
434 struct nv40_gr *gr;
435
436 if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
437 return -ENOMEM;
438 *pgr = &gr->base;
439 INIT_LIST_HEAD(&gr->chan);
440
441 return nvkm_gr_ctor(func, device, type, inst, true, &gr->base);
442 }
443
444 static const struct nvkm_gr_func
445 nv40_gr = {
446 .init = nv40_gr_init,
447 .intr = nv40_gr_intr,
448 .tile = nv40_gr_tile,
449 .units = nv40_gr_units,
450 .chan_new = nv40_gr_chan_new,
451 .sclass = {
452 { -1, -1, 0x0012, &nv40_gr_object }, /* beta1 */
453 { -1, -1, 0x0019, &nv40_gr_object }, /* clip */
454 { -1, -1, 0x0030, &nv40_gr_object }, /* null */
455 { -1, -1, 0x0039, &nv40_gr_object }, /* m2mf */
456 { -1, -1, 0x0043, &nv40_gr_object }, /* rop */
457 { -1, -1, 0x0044, &nv40_gr_object }, /* patt */
458 { -1, -1, 0x004a, &nv40_gr_object }, /* gdi */
459 { -1, -1, 0x0062, &nv40_gr_object }, /* surf2d */
460 { -1, -1, 0x0072, &nv40_gr_object }, /* beta4 */
461 { -1, -1, 0x0089, &nv40_gr_object }, /* sifm */
462 { -1, -1, 0x008a, &nv40_gr_object }, /* ifc */
463 { -1, -1, 0x009f, &nv40_gr_object }, /* imageblit */
464 { -1, -1, 0x3062, &nv40_gr_object }, /* surf2d (nv40) */
465 { -1, -1, 0x3089, &nv40_gr_object }, /* sifm (nv40) */
466 { -1, -1, 0x309e, &nv40_gr_object }, /* swzsurf (nv40) */
467 { -1, -1, 0x4097, &nv40_gr_object }, /* curie */
468 {}
469 }
470 };
471
472 int
nv40_gr_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_gr ** pgr)473 nv40_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
474 {
475 return nv40_gr_new_(&nv40_gr, device, type, inst, pgr);
476 }
477