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 "gf100.h"
25 #include "ctxgf100.h"
26 #include "fuc/os.h"
27 
28 #include <core/client.h>
29 #include <core/option.h>
30 #include <subdev/fb.h>
31 #include <subdev/mc.h>
32 #include <subdev/pmu.h>
33 #include <subdev/timer.h>
34 #include <engine/fifo.h>
35 
36 #include <nvif/class.h>
37 #include <nvif/cl9097.h>
38 #include <nvif/unpack.h>
39 
40 /*******************************************************************************
41  * Zero Bandwidth Clear
42  ******************************************************************************/
43 
44 static void
45 gf100_gr_zbc_clear_color(struct gf100_gr *gr, int zbc)
46 {
47 	struct nvkm_device *device = gr->base.engine.subdev.device;
48 	if (gr->zbc_color[zbc].format) {
49 		nvkm_wr32(device, 0x405804, gr->zbc_color[zbc].ds[0]);
50 		nvkm_wr32(device, 0x405808, gr->zbc_color[zbc].ds[1]);
51 		nvkm_wr32(device, 0x40580c, gr->zbc_color[zbc].ds[2]);
52 		nvkm_wr32(device, 0x405810, gr->zbc_color[zbc].ds[3]);
53 	}
54 	nvkm_wr32(device, 0x405814, gr->zbc_color[zbc].format);
55 	nvkm_wr32(device, 0x405820, zbc);
56 	nvkm_wr32(device, 0x405824, 0x00000004); /* TRIGGER | WRITE | COLOR */
57 }
58 
59 static int
60 gf100_gr_zbc_color_get(struct gf100_gr *gr, int format,
61 		       const u32 ds[4], const u32 l2[4])
62 {
63 	struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
64 	int zbc = -ENOSPC, i;
65 
66 	for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) {
67 		if (gr->zbc_color[i].format) {
68 			if (gr->zbc_color[i].format != format)
69 				continue;
70 			if (memcmp(gr->zbc_color[i].ds, ds, sizeof(
71 				   gr->zbc_color[i].ds)))
72 				continue;
73 			if (memcmp(gr->zbc_color[i].l2, l2, sizeof(
74 				   gr->zbc_color[i].l2))) {
75 				WARN_ON(1);
76 				return -EINVAL;
77 			}
78 			return i;
79 		} else {
80 			zbc = (zbc < 0) ? i : zbc;
81 		}
82 	}
83 
84 	if (zbc < 0)
85 		return zbc;
86 
87 	memcpy(gr->zbc_color[zbc].ds, ds, sizeof(gr->zbc_color[zbc].ds));
88 	memcpy(gr->zbc_color[zbc].l2, l2, sizeof(gr->zbc_color[zbc].l2));
89 	gr->zbc_color[zbc].format = format;
90 	nvkm_ltc_zbc_color_get(ltc, zbc, l2);
91 	gf100_gr_zbc_clear_color(gr, zbc);
92 	return zbc;
93 }
94 
95 static void
96 gf100_gr_zbc_clear_depth(struct gf100_gr *gr, int zbc)
97 {
98 	struct nvkm_device *device = gr->base.engine.subdev.device;
99 	if (gr->zbc_depth[zbc].format)
100 		nvkm_wr32(device, 0x405818, gr->zbc_depth[zbc].ds);
101 	nvkm_wr32(device, 0x40581c, gr->zbc_depth[zbc].format);
102 	nvkm_wr32(device, 0x405820, zbc);
103 	nvkm_wr32(device, 0x405824, 0x00000005); /* TRIGGER | WRITE | DEPTH */
104 }
105 
106 static int
107 gf100_gr_zbc_depth_get(struct gf100_gr *gr, int format,
108 		       const u32 ds, const u32 l2)
109 {
110 	struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
111 	int zbc = -ENOSPC, i;
112 
113 	for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) {
114 		if (gr->zbc_depth[i].format) {
115 			if (gr->zbc_depth[i].format != format)
116 				continue;
117 			if (gr->zbc_depth[i].ds != ds)
118 				continue;
119 			if (gr->zbc_depth[i].l2 != l2) {
120 				WARN_ON(1);
121 				return -EINVAL;
122 			}
123 			return i;
124 		} else {
125 			zbc = (zbc < 0) ? i : zbc;
126 		}
127 	}
128 
129 	if (zbc < 0)
130 		return zbc;
131 
132 	gr->zbc_depth[zbc].format = format;
133 	gr->zbc_depth[zbc].ds = ds;
134 	gr->zbc_depth[zbc].l2 = l2;
135 	nvkm_ltc_zbc_depth_get(ltc, zbc, l2);
136 	gf100_gr_zbc_clear_depth(gr, zbc);
137 	return zbc;
138 }
139 
140 /*******************************************************************************
141  * Graphics object classes
142  ******************************************************************************/
143 #define gf100_gr_object(p) container_of((p), struct gf100_gr_object, object)
144 
145 struct gf100_gr_object {
146 	struct nvkm_object object;
147 	struct gf100_gr_chan *chan;
148 };
149 
150 static int
151 gf100_fermi_mthd_zbc_color(struct nvkm_object *object, void *data, u32 size)
152 {
153 	struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine));
154 	union {
155 		struct fermi_a_zbc_color_v0 v0;
156 	} *args = data;
157 	int ret = -ENOSYS;
158 
159 	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
160 		switch (args->v0.format) {
161 		case FERMI_A_ZBC_COLOR_V0_FMT_ZERO:
162 		case FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE:
163 		case FERMI_A_ZBC_COLOR_V0_FMT_RF32_GF32_BF32_AF32:
164 		case FERMI_A_ZBC_COLOR_V0_FMT_R16_G16_B16_A16:
165 		case FERMI_A_ZBC_COLOR_V0_FMT_RN16_GN16_BN16_AN16:
166 		case FERMI_A_ZBC_COLOR_V0_FMT_RS16_GS16_BS16_AS16:
167 		case FERMI_A_ZBC_COLOR_V0_FMT_RU16_GU16_BU16_AU16:
168 		case FERMI_A_ZBC_COLOR_V0_FMT_RF16_GF16_BF16_AF16:
169 		case FERMI_A_ZBC_COLOR_V0_FMT_A8R8G8B8:
170 		case FERMI_A_ZBC_COLOR_V0_FMT_A8RL8GL8BL8:
171 		case FERMI_A_ZBC_COLOR_V0_FMT_A2B10G10R10:
172 		case FERMI_A_ZBC_COLOR_V0_FMT_AU2BU10GU10RU10:
173 		case FERMI_A_ZBC_COLOR_V0_FMT_A8B8G8R8:
174 		case FERMI_A_ZBC_COLOR_V0_FMT_A8BL8GL8RL8:
175 		case FERMI_A_ZBC_COLOR_V0_FMT_AN8BN8GN8RN8:
176 		case FERMI_A_ZBC_COLOR_V0_FMT_AS8BS8GS8RS8:
177 		case FERMI_A_ZBC_COLOR_V0_FMT_AU8BU8GU8RU8:
178 		case FERMI_A_ZBC_COLOR_V0_FMT_A2R10G10B10:
179 		case FERMI_A_ZBC_COLOR_V0_FMT_BF10GF11RF11:
180 			ret = gf100_gr_zbc_color_get(gr, args->v0.format,
181 							   args->v0.ds,
182 							   args->v0.l2);
183 			if (ret >= 0) {
184 				args->v0.index = ret;
185 				return 0;
186 			}
187 			break;
188 		default:
189 			return -EINVAL;
190 		}
191 	}
192 
193 	return ret;
194 }
195 
196 static int
197 gf100_fermi_mthd_zbc_depth(struct nvkm_object *object, void *data, u32 size)
198 {
199 	struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine));
200 	union {
201 		struct fermi_a_zbc_depth_v0 v0;
202 	} *args = data;
203 	int ret = -ENOSYS;
204 
205 	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
206 		switch (args->v0.format) {
207 		case FERMI_A_ZBC_DEPTH_V0_FMT_FP32:
208 			ret = gf100_gr_zbc_depth_get(gr, args->v0.format,
209 							   args->v0.ds,
210 							   args->v0.l2);
211 			return (ret >= 0) ? 0 : -ENOSPC;
212 		default:
213 			return -EINVAL;
214 		}
215 	}
216 
217 	return ret;
218 }
219 
220 static int
221 gf100_fermi_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
222 {
223 	nvif_ioctl(object, "fermi mthd %08x\n", mthd);
224 	switch (mthd) {
225 	case FERMI_A_ZBC_COLOR:
226 		return gf100_fermi_mthd_zbc_color(object, data, size);
227 	case FERMI_A_ZBC_DEPTH:
228 		return gf100_fermi_mthd_zbc_depth(object, data, size);
229 	default:
230 		break;
231 	}
232 	return -EINVAL;
233 }
234 
235 const struct nvkm_object_func
236 gf100_fermi = {
237 	.mthd = gf100_fermi_mthd,
238 };
239 
240 static void
241 gf100_gr_mthd_set_shader_exceptions(struct nvkm_device *device, u32 data)
242 {
243 	nvkm_wr32(device, 0x419e44, data ? 0xffffffff : 0x00000000);
244 	nvkm_wr32(device, 0x419e4c, data ? 0xffffffff : 0x00000000);
245 }
246 
247 static bool
248 gf100_gr_mthd_sw(struct nvkm_device *device, u16 class, u32 mthd, u32 data)
249 {
250 	switch (class & 0x00ff) {
251 	case 0x97:
252 	case 0xc0:
253 		switch (mthd) {
254 		case 0x1528:
255 			gf100_gr_mthd_set_shader_exceptions(device, data);
256 			return true;
257 		default:
258 			break;
259 		}
260 		break;
261 	default:
262 		break;
263 	}
264 	return false;
265 }
266 
267 static const struct nvkm_object_func
268 gf100_gr_object_func = {
269 };
270 
271 static int
272 gf100_gr_object_new(const struct nvkm_oclass *oclass, void *data, u32 size,
273 		    struct nvkm_object **pobject)
274 {
275 	struct gf100_gr_chan *chan = gf100_gr_chan(oclass->parent);
276 	struct gf100_gr_object *object;
277 
278 	if (!(object = kzalloc(sizeof(*object), GFP_KERNEL)))
279 		return -ENOMEM;
280 	*pobject = &object->object;
281 
282 	nvkm_object_ctor(oclass->base.func ? oclass->base.func :
283 			 &gf100_gr_object_func, oclass, &object->object);
284 	object->chan = chan;
285 	return 0;
286 }
287 
288 static int
289 gf100_gr_object_get(struct nvkm_gr *base, int index, struct nvkm_sclass *sclass)
290 {
291 	struct gf100_gr *gr = gf100_gr(base);
292 	int c = 0;
293 
294 	while (gr->func->sclass[c].oclass) {
295 		if (c++ == index) {
296 			*sclass = gr->func->sclass[index];
297 			sclass->ctor = gf100_gr_object_new;
298 			return index;
299 		}
300 	}
301 
302 	return c;
303 }
304 
305 /*******************************************************************************
306  * PGRAPH context
307  ******************************************************************************/
308 
309 static int
310 gf100_gr_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
311 		   int align, struct nvkm_gpuobj **pgpuobj)
312 {
313 	struct gf100_gr_chan *chan = gf100_gr_chan(object);
314 	struct gf100_gr *gr = chan->gr;
315 	int ret, i;
316 
317 	ret = nvkm_gpuobj_new(gr->base.engine.subdev.device, gr->size,
318 			      align, false, parent, pgpuobj);
319 	if (ret)
320 		return ret;
321 
322 	nvkm_kmap(*pgpuobj);
323 	for (i = 0; i < gr->size; i += 4)
324 		nvkm_wo32(*pgpuobj, i, gr->data[i / 4]);
325 
326 	if (!gr->firmware) {
327 		nvkm_wo32(*pgpuobj, 0x00, chan->mmio_nr / 2);
328 		nvkm_wo32(*pgpuobj, 0x04, chan->mmio_vma.offset >> 8);
329 	} else {
330 		nvkm_wo32(*pgpuobj, 0xf4, 0);
331 		nvkm_wo32(*pgpuobj, 0xf8, 0);
332 		nvkm_wo32(*pgpuobj, 0x10, chan->mmio_nr / 2);
333 		nvkm_wo32(*pgpuobj, 0x14, lower_32_bits(chan->mmio_vma.offset));
334 		nvkm_wo32(*pgpuobj, 0x18, upper_32_bits(chan->mmio_vma.offset));
335 		nvkm_wo32(*pgpuobj, 0x1c, 1);
336 		nvkm_wo32(*pgpuobj, 0x20, 0);
337 		nvkm_wo32(*pgpuobj, 0x28, 0);
338 		nvkm_wo32(*pgpuobj, 0x2c, 0);
339 	}
340 	nvkm_done(*pgpuobj);
341 	return 0;
342 }
343 
344 static void *
345 gf100_gr_chan_dtor(struct nvkm_object *object)
346 {
347 	struct gf100_gr_chan *chan = gf100_gr_chan(object);
348 	int i;
349 
350 	for (i = 0; i < ARRAY_SIZE(chan->data); i++) {
351 		if (chan->data[i].vma.node) {
352 			nvkm_vm_unmap(&chan->data[i].vma);
353 			nvkm_vm_put(&chan->data[i].vma);
354 		}
355 		nvkm_memory_del(&chan->data[i].mem);
356 	}
357 
358 	if (chan->mmio_vma.node) {
359 		nvkm_vm_unmap(&chan->mmio_vma);
360 		nvkm_vm_put(&chan->mmio_vma);
361 	}
362 	nvkm_memory_del(&chan->mmio);
363 	return chan;
364 }
365 
366 static const struct nvkm_object_func
367 gf100_gr_chan = {
368 	.dtor = gf100_gr_chan_dtor,
369 	.bind = gf100_gr_chan_bind,
370 };
371 
372 static int
373 gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
374 		  const struct nvkm_oclass *oclass,
375 		  struct nvkm_object **pobject)
376 {
377 	struct gf100_gr *gr = gf100_gr(base);
378 	struct gf100_gr_data *data = gr->mmio_data;
379 	struct gf100_gr_mmio *mmio = gr->mmio_list;
380 	struct gf100_gr_chan *chan;
381 	struct nvkm_device *device = gr->base.engine.subdev.device;
382 	int ret, i;
383 
384 	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
385 		return -ENOMEM;
386 	nvkm_object_ctor(&gf100_gr_chan, oclass, &chan->object);
387 	chan->gr = gr;
388 	*pobject = &chan->object;
389 
390 	/* allocate memory for a "mmio list" buffer that's used by the HUB
391 	 * fuc to modify some per-context register settings on first load
392 	 * of the context.
393 	 */
394 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x100,
395 			      false, &chan->mmio);
396 	if (ret)
397 		return ret;
398 
399 	ret = nvkm_vm_get(fifoch->vm, 0x1000, 12, NV_MEM_ACCESS_RW |
400 			  NV_MEM_ACCESS_SYS, &chan->mmio_vma);
401 	if (ret)
402 		return ret;
403 
404 	nvkm_memory_map(chan->mmio, &chan->mmio_vma, 0);
405 
406 	/* allocate buffers referenced by mmio list */
407 	for (i = 0; data->size && i < ARRAY_SIZE(gr->mmio_data); i++) {
408 		ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
409 				      data->size, data->align, false,
410 				      &chan->data[i].mem);
411 		if (ret)
412 			return ret;
413 
414 		ret = nvkm_vm_get(fifoch->vm,
415 				  nvkm_memory_size(chan->data[i].mem), 12,
416 				  data->access, &chan->data[i].vma);
417 		if (ret)
418 			return ret;
419 
420 		nvkm_memory_map(chan->data[i].mem, &chan->data[i].vma, 0);
421 		data++;
422 	}
423 
424 	/* finally, fill in the mmio list and point the context at it */
425 	nvkm_kmap(chan->mmio);
426 	for (i = 0; mmio->addr && i < ARRAY_SIZE(gr->mmio_list); i++) {
427 		u32 addr = mmio->addr;
428 		u32 data = mmio->data;
429 
430 		if (mmio->buffer >= 0) {
431 			u64 info = chan->data[mmio->buffer].vma.offset;
432 			data |= info >> mmio->shift;
433 		}
434 
435 		nvkm_wo32(chan->mmio, chan->mmio_nr++ * 4, addr);
436 		nvkm_wo32(chan->mmio, chan->mmio_nr++ * 4, data);
437 		mmio++;
438 	}
439 	nvkm_done(chan->mmio);
440 	return 0;
441 }
442 
443 /*******************************************************************************
444  * PGRAPH register lists
445  ******************************************************************************/
446 
447 const struct gf100_gr_init
448 gf100_gr_init_main_0[] = {
449 	{ 0x400080,   1, 0x04, 0x003083c2 },
450 	{ 0x400088,   1, 0x04, 0x00006fe7 },
451 	{ 0x40008c,   1, 0x04, 0x00000000 },
452 	{ 0x400090,   1, 0x04, 0x00000030 },
453 	{ 0x40013c,   1, 0x04, 0x013901f7 },
454 	{ 0x400140,   1, 0x04, 0x00000100 },
455 	{ 0x400144,   1, 0x04, 0x00000000 },
456 	{ 0x400148,   1, 0x04, 0x00000110 },
457 	{ 0x400138,   1, 0x04, 0x00000000 },
458 	{ 0x400130,   2, 0x04, 0x00000000 },
459 	{ 0x400124,   1, 0x04, 0x00000002 },
460 	{}
461 };
462 
463 const struct gf100_gr_init
464 gf100_gr_init_fe_0[] = {
465 	{ 0x40415c,   1, 0x04, 0x00000000 },
466 	{ 0x404170,   1, 0x04, 0x00000000 },
467 	{}
468 };
469 
470 const struct gf100_gr_init
471 gf100_gr_init_pri_0[] = {
472 	{ 0x404488,   2, 0x04, 0x00000000 },
473 	{}
474 };
475 
476 const struct gf100_gr_init
477 gf100_gr_init_rstr2d_0[] = {
478 	{ 0x407808,   1, 0x04, 0x00000000 },
479 	{}
480 };
481 
482 const struct gf100_gr_init
483 gf100_gr_init_pd_0[] = {
484 	{ 0x406024,   1, 0x04, 0x00000000 },
485 	{}
486 };
487 
488 const struct gf100_gr_init
489 gf100_gr_init_ds_0[] = {
490 	{ 0x405844,   1, 0x04, 0x00ffffff },
491 	{ 0x405850,   1, 0x04, 0x00000000 },
492 	{ 0x405908,   1, 0x04, 0x00000000 },
493 	{}
494 };
495 
496 const struct gf100_gr_init
497 gf100_gr_init_scc_0[] = {
498 	{ 0x40803c,   1, 0x04, 0x00000000 },
499 	{}
500 };
501 
502 const struct gf100_gr_init
503 gf100_gr_init_prop_0[] = {
504 	{ 0x4184a0,   1, 0x04, 0x00000000 },
505 	{}
506 };
507 
508 const struct gf100_gr_init
509 gf100_gr_init_gpc_unk_0[] = {
510 	{ 0x418604,   1, 0x04, 0x00000000 },
511 	{ 0x418680,   1, 0x04, 0x00000000 },
512 	{ 0x418714,   1, 0x04, 0x80000000 },
513 	{ 0x418384,   1, 0x04, 0x00000000 },
514 	{}
515 };
516 
517 const struct gf100_gr_init
518 gf100_gr_init_setup_0[] = {
519 	{ 0x418814,   3, 0x04, 0x00000000 },
520 	{}
521 };
522 
523 const struct gf100_gr_init
524 gf100_gr_init_crstr_0[] = {
525 	{ 0x418b04,   1, 0x04, 0x00000000 },
526 	{}
527 };
528 
529 const struct gf100_gr_init
530 gf100_gr_init_setup_1[] = {
531 	{ 0x4188c8,   1, 0x04, 0x80000000 },
532 	{ 0x4188cc,   1, 0x04, 0x00000000 },
533 	{ 0x4188d0,   1, 0x04, 0x00010000 },
534 	{ 0x4188d4,   1, 0x04, 0x00000001 },
535 	{}
536 };
537 
538 const struct gf100_gr_init
539 gf100_gr_init_zcull_0[] = {
540 	{ 0x418910,   1, 0x04, 0x00010001 },
541 	{ 0x418914,   1, 0x04, 0x00000301 },
542 	{ 0x418918,   1, 0x04, 0x00800000 },
543 	{ 0x418980,   1, 0x04, 0x77777770 },
544 	{ 0x418984,   3, 0x04, 0x77777777 },
545 	{}
546 };
547 
548 const struct gf100_gr_init
549 gf100_gr_init_gpm_0[] = {
550 	{ 0x418c04,   1, 0x04, 0x00000000 },
551 	{ 0x418c88,   1, 0x04, 0x00000000 },
552 	{}
553 };
554 
555 const struct gf100_gr_init
556 gf100_gr_init_gpc_unk_1[] = {
557 	{ 0x418d00,   1, 0x04, 0x00000000 },
558 	{ 0x418f08,   1, 0x04, 0x00000000 },
559 	{ 0x418e00,   1, 0x04, 0x00000050 },
560 	{ 0x418e08,   1, 0x04, 0x00000000 },
561 	{}
562 };
563 
564 const struct gf100_gr_init
565 gf100_gr_init_gcc_0[] = {
566 	{ 0x41900c,   1, 0x04, 0x00000000 },
567 	{ 0x419018,   1, 0x04, 0x00000000 },
568 	{}
569 };
570 
571 const struct gf100_gr_init
572 gf100_gr_init_tpccs_0[] = {
573 	{ 0x419d08,   2, 0x04, 0x00000000 },
574 	{ 0x419d10,   1, 0x04, 0x00000014 },
575 	{}
576 };
577 
578 const struct gf100_gr_init
579 gf100_gr_init_tex_0[] = {
580 	{ 0x419ab0,   1, 0x04, 0x00000000 },
581 	{ 0x419ab8,   1, 0x04, 0x000000e7 },
582 	{ 0x419abc,   2, 0x04, 0x00000000 },
583 	{}
584 };
585 
586 const struct gf100_gr_init
587 gf100_gr_init_pe_0[] = {
588 	{ 0x41980c,   3, 0x04, 0x00000000 },
589 	{ 0x419844,   1, 0x04, 0x00000000 },
590 	{ 0x41984c,   1, 0x04, 0x00005bc5 },
591 	{ 0x419850,   4, 0x04, 0x00000000 },
592 	{}
593 };
594 
595 const struct gf100_gr_init
596 gf100_gr_init_l1c_0[] = {
597 	{ 0x419c98,   1, 0x04, 0x00000000 },
598 	{ 0x419ca8,   1, 0x04, 0x80000000 },
599 	{ 0x419cb4,   1, 0x04, 0x00000000 },
600 	{ 0x419cb8,   1, 0x04, 0x00008bf4 },
601 	{ 0x419cbc,   1, 0x04, 0x28137606 },
602 	{ 0x419cc0,   2, 0x04, 0x00000000 },
603 	{}
604 };
605 
606 const struct gf100_gr_init
607 gf100_gr_init_wwdx_0[] = {
608 	{ 0x419bd4,   1, 0x04, 0x00800000 },
609 	{ 0x419bdc,   1, 0x04, 0x00000000 },
610 	{}
611 };
612 
613 const struct gf100_gr_init
614 gf100_gr_init_tpccs_1[] = {
615 	{ 0x419d2c,   1, 0x04, 0x00000000 },
616 	{}
617 };
618 
619 const struct gf100_gr_init
620 gf100_gr_init_mpc_0[] = {
621 	{ 0x419c0c,   1, 0x04, 0x00000000 },
622 	{}
623 };
624 
625 static const struct gf100_gr_init
626 gf100_gr_init_sm_0[] = {
627 	{ 0x419e00,   1, 0x04, 0x00000000 },
628 	{ 0x419ea0,   1, 0x04, 0x00000000 },
629 	{ 0x419ea4,   1, 0x04, 0x00000100 },
630 	{ 0x419ea8,   1, 0x04, 0x00001100 },
631 	{ 0x419eac,   1, 0x04, 0x11100702 },
632 	{ 0x419eb0,   1, 0x04, 0x00000003 },
633 	{ 0x419eb4,   4, 0x04, 0x00000000 },
634 	{ 0x419ec8,   1, 0x04, 0x06060618 },
635 	{ 0x419ed0,   1, 0x04, 0x0eff0e38 },
636 	{ 0x419ed4,   1, 0x04, 0x011104f1 },
637 	{ 0x419edc,   1, 0x04, 0x00000000 },
638 	{ 0x419f00,   1, 0x04, 0x00000000 },
639 	{ 0x419f2c,   1, 0x04, 0x00000000 },
640 	{}
641 };
642 
643 const struct gf100_gr_init
644 gf100_gr_init_be_0[] = {
645 	{ 0x40880c,   1, 0x04, 0x00000000 },
646 	{ 0x408910,   9, 0x04, 0x00000000 },
647 	{ 0x408950,   1, 0x04, 0x00000000 },
648 	{ 0x408954,   1, 0x04, 0x0000ffff },
649 	{ 0x408984,   1, 0x04, 0x00000000 },
650 	{ 0x408988,   1, 0x04, 0x08040201 },
651 	{ 0x40898c,   1, 0x04, 0x80402010 },
652 	{}
653 };
654 
655 const struct gf100_gr_init
656 gf100_gr_init_fe_1[] = {
657 	{ 0x4040f0,   1, 0x04, 0x00000000 },
658 	{}
659 };
660 
661 const struct gf100_gr_init
662 gf100_gr_init_pe_1[] = {
663 	{ 0x419880,   1, 0x04, 0x00000002 },
664 	{}
665 };
666 
667 static const struct gf100_gr_pack
668 gf100_gr_pack_mmio[] = {
669 	{ gf100_gr_init_main_0 },
670 	{ gf100_gr_init_fe_0 },
671 	{ gf100_gr_init_pri_0 },
672 	{ gf100_gr_init_rstr2d_0 },
673 	{ gf100_gr_init_pd_0 },
674 	{ gf100_gr_init_ds_0 },
675 	{ gf100_gr_init_scc_0 },
676 	{ gf100_gr_init_prop_0 },
677 	{ gf100_gr_init_gpc_unk_0 },
678 	{ gf100_gr_init_setup_0 },
679 	{ gf100_gr_init_crstr_0 },
680 	{ gf100_gr_init_setup_1 },
681 	{ gf100_gr_init_zcull_0 },
682 	{ gf100_gr_init_gpm_0 },
683 	{ gf100_gr_init_gpc_unk_1 },
684 	{ gf100_gr_init_gcc_0 },
685 	{ gf100_gr_init_tpccs_0 },
686 	{ gf100_gr_init_tex_0 },
687 	{ gf100_gr_init_pe_0 },
688 	{ gf100_gr_init_l1c_0 },
689 	{ gf100_gr_init_wwdx_0 },
690 	{ gf100_gr_init_tpccs_1 },
691 	{ gf100_gr_init_mpc_0 },
692 	{ gf100_gr_init_sm_0 },
693 	{ gf100_gr_init_be_0 },
694 	{ gf100_gr_init_fe_1 },
695 	{ gf100_gr_init_pe_1 },
696 	{}
697 };
698 
699 /*******************************************************************************
700  * PGRAPH engine/subdev functions
701  ******************************************************************************/
702 
703 void
704 gf100_gr_zbc_init(struct gf100_gr *gr)
705 {
706 	const u32  zero[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
707 			      0x00000000, 0x00000000, 0x00000000, 0x00000000 };
708 	const u32   one[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
709 			      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
710 	const u32 f32_0[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
711 			      0x00000000, 0x00000000, 0x00000000, 0x00000000 };
712 	const u32 f32_1[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
713 			      0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000 };
714 	struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
715 	int index;
716 
717 	if (!gr->zbc_color[0].format) {
718 		gf100_gr_zbc_color_get(gr, 1,  & zero[0],   &zero[4]);
719 		gf100_gr_zbc_color_get(gr, 2,  &  one[0],    &one[4]);
720 		gf100_gr_zbc_color_get(gr, 4,  &f32_0[0],  &f32_0[4]);
721 		gf100_gr_zbc_color_get(gr, 4,  &f32_1[0],  &f32_1[4]);
722 		gf100_gr_zbc_depth_get(gr, 1, 0x00000000, 0x00000000);
723 		gf100_gr_zbc_depth_get(gr, 1, 0x3f800000, 0x3f800000);
724 	}
725 
726 	for (index = ltc->zbc_min; index <= ltc->zbc_max; index++)
727 		gf100_gr_zbc_clear_color(gr, index);
728 	for (index = ltc->zbc_min; index <= ltc->zbc_max; index++)
729 		gf100_gr_zbc_clear_depth(gr, index);
730 }
731 
732 /**
733  * Wait until GR goes idle. GR is considered idle if it is disabled by the
734  * MC (0x200) register, or GR is not busy and a context switch is not in
735  * progress.
736  */
737 int
738 gf100_gr_wait_idle(struct gf100_gr *gr)
739 {
740 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
741 	struct nvkm_device *device = subdev->device;
742 	unsigned long end_jiffies = jiffies + msecs_to_jiffies(2000);
743 	bool gr_enabled, ctxsw_active, gr_busy;
744 
745 	do {
746 		/*
747 		 * required to make sure FIFO_ENGINE_STATUS (0x2640) is
748 		 * up-to-date
749 		 */
750 		nvkm_rd32(device, 0x400700);
751 
752 		gr_enabled = nvkm_rd32(device, 0x200) & 0x1000;
753 		ctxsw_active = nvkm_rd32(device, 0x2640) & 0x8000;
754 		gr_busy = nvkm_rd32(device, 0x40060c) & 0x1;
755 
756 		if (!gr_enabled || (!gr_busy && !ctxsw_active))
757 			return 0;
758 	} while (time_before(jiffies, end_jiffies));
759 
760 	nvkm_error(subdev,
761 		   "wait for idle timeout (en: %d, ctxsw: %d, busy: %d)\n",
762 		   gr_enabled, ctxsw_active, gr_busy);
763 	return -EAGAIN;
764 }
765 
766 void
767 gf100_gr_mmio(struct gf100_gr *gr, const struct gf100_gr_pack *p)
768 {
769 	struct nvkm_device *device = gr->base.engine.subdev.device;
770 	const struct gf100_gr_pack *pack;
771 	const struct gf100_gr_init *init;
772 
773 	pack_for_each_init(init, pack, p) {
774 		u32 next = init->addr + init->count * init->pitch;
775 		u32 addr = init->addr;
776 		while (addr < next) {
777 			nvkm_wr32(device, addr, init->data);
778 			addr += init->pitch;
779 		}
780 	}
781 }
782 
783 void
784 gf100_gr_icmd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
785 {
786 	struct nvkm_device *device = gr->base.engine.subdev.device;
787 	const struct gf100_gr_pack *pack;
788 	const struct gf100_gr_init *init;
789 	u32 data = 0;
790 
791 	nvkm_wr32(device, 0x400208, 0x80000000);
792 
793 	pack_for_each_init(init, pack, p) {
794 		u32 next = init->addr + init->count * init->pitch;
795 		u32 addr = init->addr;
796 
797 		if ((pack == p && init == p->init) || data != init->data) {
798 			nvkm_wr32(device, 0x400204, init->data);
799 			data = init->data;
800 		}
801 
802 		while (addr < next) {
803 			nvkm_wr32(device, 0x400200, addr);
804 			/**
805 			 * Wait for GR to go idle after submitting a
806 			 * GO_IDLE bundle
807 			 */
808 			if ((addr & 0xffff) == 0xe100)
809 				gf100_gr_wait_idle(gr);
810 			nvkm_msec(device, 2000,
811 				if (!(nvkm_rd32(device, 0x400700) & 0x00000004))
812 					break;
813 			);
814 			addr += init->pitch;
815 		}
816 	}
817 
818 	nvkm_wr32(device, 0x400208, 0x00000000);
819 }
820 
821 void
822 gf100_gr_mthd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
823 {
824 	struct nvkm_device *device = gr->base.engine.subdev.device;
825 	const struct gf100_gr_pack *pack;
826 	const struct gf100_gr_init *init;
827 	u32 data = 0;
828 
829 	pack_for_each_init(init, pack, p) {
830 		u32 ctrl = 0x80000000 | pack->type;
831 		u32 next = init->addr + init->count * init->pitch;
832 		u32 addr = init->addr;
833 
834 		if ((pack == p && init == p->init) || data != init->data) {
835 			nvkm_wr32(device, 0x40448c, init->data);
836 			data = init->data;
837 		}
838 
839 		while (addr < next) {
840 			nvkm_wr32(device, 0x404488, ctrl | (addr << 14));
841 			addr += init->pitch;
842 		}
843 	}
844 }
845 
846 u64
847 gf100_gr_units(struct nvkm_gr *base)
848 {
849 	struct gf100_gr *gr = gf100_gr(base);
850 	u64 cfg;
851 
852 	cfg  = (u32)gr->gpc_nr;
853 	cfg |= (u32)gr->tpc_total << 8;
854 	cfg |= (u64)gr->rop_nr << 32;
855 
856 	return cfg;
857 }
858 
859 static const struct nvkm_bitfield gf100_dispatch_error[] = {
860 	{ 0x00000001, "INJECTED_BUNDLE_ERROR" },
861 	{ 0x00000002, "CLASS_SUBCH_MISMATCH" },
862 	{ 0x00000004, "SUBCHSW_DURING_NOTIFY" },
863 	{}
864 };
865 
866 static const struct nvkm_bitfield gf100_m2mf_error[] = {
867 	{ 0x00000001, "PUSH_TOO_MUCH_DATA" },
868 	{ 0x00000002, "PUSH_NOT_ENOUGH_DATA" },
869 	{}
870 };
871 
872 static const struct nvkm_bitfield gf100_unk6_error[] = {
873 	{ 0x00000001, "TEMP_TOO_SMALL" },
874 	{}
875 };
876 
877 static const struct nvkm_bitfield gf100_ccache_error[] = {
878 	{ 0x00000001, "INTR" },
879 	{ 0x00000002, "LDCONST_OOB" },
880 	{}
881 };
882 
883 static const struct nvkm_bitfield gf100_macro_error[] = {
884 	{ 0x00000001, "TOO_FEW_PARAMS" },
885 	{ 0x00000002, "TOO_MANY_PARAMS" },
886 	{ 0x00000004, "ILLEGAL_OPCODE" },
887 	{ 0x00000008, "DOUBLE_BRANCH" },
888 	{ 0x00000010, "WATCHDOG" },
889 	{}
890 };
891 
892 static const struct nvkm_bitfield gk104_sked_error[] = {
893 	{ 0x00000040, "CTA_RESUME" },
894 	{ 0x00000080, "CONSTANT_BUFFER_SIZE" },
895 	{ 0x00000200, "LOCAL_MEMORY_SIZE_POS" },
896 	{ 0x00000400, "LOCAL_MEMORY_SIZE_NEG" },
897 	{ 0x00000800, "WARP_CSTACK_SIZE" },
898 	{ 0x00001000, "TOTAL_TEMP_SIZE" },
899 	{ 0x00002000, "REGISTER_COUNT" },
900 	{ 0x00040000, "TOTAL_THREADS" },
901 	{ 0x00100000, "PROGRAM_OFFSET" },
902 	{ 0x00200000, "SHARED_MEMORY_SIZE" },
903 	{ 0x00800000, "CTA_THREAD_DIMENSION_ZERO" },
904 	{ 0x01000000, "MEMORY_WINDOW_OVERLAP" },
905 	{ 0x02000000, "SHARED_CONFIG_TOO_SMALL" },
906 	{ 0x04000000, "TOTAL_REGISTER_COUNT" },
907 	{}
908 };
909 
910 static const struct nvkm_bitfield gf100_gpc_rop_error[] = {
911 	{ 0x00000002, "RT_PITCH_OVERRUN" },
912 	{ 0x00000010, "RT_WIDTH_OVERRUN" },
913 	{ 0x00000020, "RT_HEIGHT_OVERRUN" },
914 	{ 0x00000080, "ZETA_STORAGE_TYPE_MISMATCH" },
915 	{ 0x00000100, "RT_STORAGE_TYPE_MISMATCH" },
916 	{ 0x00000400, "RT_LINEAR_MISMATCH" },
917 	{}
918 };
919 
920 static void
921 gf100_gr_trap_gpc_rop(struct gf100_gr *gr, int gpc)
922 {
923 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
924 	struct nvkm_device *device = subdev->device;
925 	char error[128];
926 	u32 trap[4];
927 
928 	trap[0] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0420)) & 0x3fffffff;
929 	trap[1] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0434));
930 	trap[2] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0438));
931 	trap[3] = nvkm_rd32(device, GPC_UNIT(gpc, 0x043c));
932 
933 	nvkm_snprintbf(error, sizeof(error), gf100_gpc_rop_error, trap[0]);
934 
935 	nvkm_error(subdev, "GPC%d/PROP trap: %08x [%s] x = %u, y = %u, "
936 			   "format = %x, storage type = %x\n",
937 		   gpc, trap[0], error, trap[1] & 0xffff, trap[1] >> 16,
938 		   (trap[2] >> 8) & 0x3f, trap[3] & 0xff);
939 	nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
940 }
941 
942 static const struct nvkm_enum gf100_mp_warp_error[] = {
943 	{ 0x00, "NO_ERROR" },
944 	{ 0x01, "STACK_MISMATCH" },
945 	{ 0x05, "MISALIGNED_PC" },
946 	{ 0x08, "MISALIGNED_GPR" },
947 	{ 0x09, "INVALID_OPCODE" },
948 	{ 0x0d, "GPR_OUT_OF_BOUNDS" },
949 	{ 0x0e, "MEM_OUT_OF_BOUNDS" },
950 	{ 0x0f, "UNALIGNED_MEM_ACCESS" },
951 	{ 0x10, "INVALID_ADDR_SPACE" },
952 	{ 0x11, "INVALID_PARAM" },
953 	{}
954 };
955 
956 static const struct nvkm_bitfield gf100_mp_global_error[] = {
957 	{ 0x00000004, "MULTIPLE_WARP_ERRORS" },
958 	{ 0x00000008, "OUT_OF_STACK_SPACE" },
959 	{}
960 };
961 
962 static void
963 gf100_gr_trap_mp(struct gf100_gr *gr, int gpc, int tpc)
964 {
965 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
966 	struct nvkm_device *device = subdev->device;
967 	u32 werr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x648));
968 	u32 gerr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x650));
969 	const struct nvkm_enum *warp;
970 	char glob[128];
971 
972 	nvkm_snprintbf(glob, sizeof(glob), gf100_mp_global_error, gerr);
973 	warp = nvkm_enum_find(gf100_mp_warp_error, werr & 0xffff);
974 
975 	nvkm_error(subdev, "GPC%i/TPC%i/MP trap: "
976 			   "global %08x [%s] warp %04x [%s]\n",
977 		   gpc, tpc, gerr, glob, werr, warp ? warp->name : "");
978 
979 	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x648), 0x00000000);
980 	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x650), gerr);
981 }
982 
983 static void
984 gf100_gr_trap_tpc(struct gf100_gr *gr, int gpc, int tpc)
985 {
986 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
987 	struct nvkm_device *device = subdev->device;
988 	u32 stat = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0508));
989 
990 	if (stat & 0x00000001) {
991 		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0224));
992 		nvkm_error(subdev, "GPC%d/TPC%d/TEX: %08x\n", gpc, tpc, trap);
993 		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
994 		stat &= ~0x00000001;
995 	}
996 
997 	if (stat & 0x00000002) {
998 		gf100_gr_trap_mp(gr, gpc, tpc);
999 		stat &= ~0x00000002;
1000 	}
1001 
1002 	if (stat & 0x00000004) {
1003 		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0084));
1004 		nvkm_error(subdev, "GPC%d/TPC%d/POLY: %08x\n", gpc, tpc, trap);
1005 		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
1006 		stat &= ~0x00000004;
1007 	}
1008 
1009 	if (stat & 0x00000008) {
1010 		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x048c));
1011 		nvkm_error(subdev, "GPC%d/TPC%d/L1C: %08x\n", gpc, tpc, trap);
1012 		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
1013 		stat &= ~0x00000008;
1014 	}
1015 
1016 	if (stat) {
1017 		nvkm_error(subdev, "GPC%d/TPC%d/%08x: unknown\n", gpc, tpc, stat);
1018 	}
1019 }
1020 
1021 static void
1022 gf100_gr_trap_gpc(struct gf100_gr *gr, int gpc)
1023 {
1024 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1025 	struct nvkm_device *device = subdev->device;
1026 	u32 stat = nvkm_rd32(device, GPC_UNIT(gpc, 0x2c90));
1027 	int tpc;
1028 
1029 	if (stat & 0x00000001) {
1030 		gf100_gr_trap_gpc_rop(gr, gpc);
1031 		stat &= ~0x00000001;
1032 	}
1033 
1034 	if (stat & 0x00000002) {
1035 		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0900));
1036 		nvkm_error(subdev, "GPC%d/ZCULL: %08x\n", gpc, trap);
1037 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
1038 		stat &= ~0x00000002;
1039 	}
1040 
1041 	if (stat & 0x00000004) {
1042 		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x1028));
1043 		nvkm_error(subdev, "GPC%d/CCACHE: %08x\n", gpc, trap);
1044 		nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
1045 		stat &= ~0x00000004;
1046 	}
1047 
1048 	if (stat & 0x00000008) {
1049 		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0824));
1050 		nvkm_error(subdev, "GPC%d/ESETUP: %08x\n", gpc, trap);
1051 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
1052 		stat &= ~0x00000009;
1053 	}
1054 
1055 	for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
1056 		u32 mask = 0x00010000 << tpc;
1057 		if (stat & mask) {
1058 			gf100_gr_trap_tpc(gr, gpc, tpc);
1059 			nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), mask);
1060 			stat &= ~mask;
1061 		}
1062 	}
1063 
1064 	if (stat) {
1065 		nvkm_error(subdev, "GPC%d/%08x: unknown\n", gpc, stat);
1066 	}
1067 }
1068 
1069 static void
1070 gf100_gr_trap_intr(struct gf100_gr *gr)
1071 {
1072 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1073 	struct nvkm_device *device = subdev->device;
1074 	char error[128];
1075 	u32 trap = nvkm_rd32(device, 0x400108);
1076 	int rop, gpc;
1077 
1078 	if (trap & 0x00000001) {
1079 		u32 stat = nvkm_rd32(device, 0x404000);
1080 
1081 		nvkm_snprintbf(error, sizeof(error), gf100_dispatch_error,
1082 			       stat & 0x3fffffff);
1083 		nvkm_error(subdev, "DISPATCH %08x [%s]\n", stat, error);
1084 		nvkm_wr32(device, 0x404000, 0xc0000000);
1085 		nvkm_wr32(device, 0x400108, 0x00000001);
1086 		trap &= ~0x00000001;
1087 	}
1088 
1089 	if (trap & 0x00000002) {
1090 		u32 stat = nvkm_rd32(device, 0x404600);
1091 
1092 		nvkm_snprintbf(error, sizeof(error), gf100_m2mf_error,
1093 			       stat & 0x3fffffff);
1094 		nvkm_error(subdev, "M2MF %08x [%s]\n", stat, error);
1095 
1096 		nvkm_wr32(device, 0x404600, 0xc0000000);
1097 		nvkm_wr32(device, 0x400108, 0x00000002);
1098 		trap &= ~0x00000002;
1099 	}
1100 
1101 	if (trap & 0x00000008) {
1102 		u32 stat = nvkm_rd32(device, 0x408030);
1103 
1104 		nvkm_snprintbf(error, sizeof(error), gf100_m2mf_error,
1105 			       stat & 0x3fffffff);
1106 		nvkm_error(subdev, "CCACHE %08x [%s]\n", stat, error);
1107 		nvkm_wr32(device, 0x408030, 0xc0000000);
1108 		nvkm_wr32(device, 0x400108, 0x00000008);
1109 		trap &= ~0x00000008;
1110 	}
1111 
1112 	if (trap & 0x00000010) {
1113 		u32 stat = nvkm_rd32(device, 0x405840);
1114 		nvkm_error(subdev, "SHADER %08x, sph: 0x%06x, stage: 0x%02x\n",
1115 			   stat, stat & 0xffffff, (stat >> 24) & 0x3f);
1116 		nvkm_wr32(device, 0x405840, 0xc0000000);
1117 		nvkm_wr32(device, 0x400108, 0x00000010);
1118 		trap &= ~0x00000010;
1119 	}
1120 
1121 	if (trap & 0x00000040) {
1122 		u32 stat = nvkm_rd32(device, 0x40601c);
1123 
1124 		nvkm_snprintbf(error, sizeof(error), gf100_unk6_error,
1125 			       stat & 0x3fffffff);
1126 		nvkm_error(subdev, "UNK6 %08x [%s]\n", stat, error);
1127 
1128 		nvkm_wr32(device, 0x40601c, 0xc0000000);
1129 		nvkm_wr32(device, 0x400108, 0x00000040);
1130 		trap &= ~0x00000040;
1131 	}
1132 
1133 	if (trap & 0x00000080) {
1134 		u32 stat = nvkm_rd32(device, 0x404490);
1135 		u32 pc = nvkm_rd32(device, 0x404494);
1136 		u32 op = nvkm_rd32(device, 0x40449c);
1137 
1138 		nvkm_snprintbf(error, sizeof(error), gf100_macro_error,
1139 			       stat & 0x1fffffff);
1140 		nvkm_error(subdev, "MACRO %08x [%s], pc: 0x%03x%s, op: 0x%08x\n",
1141 			   stat, error, pc & 0x7ff,
1142 			   (pc & 0x10000000) ? "" : " (invalid)",
1143 			   op);
1144 
1145 		nvkm_wr32(device, 0x404490, 0xc0000000);
1146 		nvkm_wr32(device, 0x400108, 0x00000080);
1147 		trap &= ~0x00000080;
1148 	}
1149 
1150 	if (trap & 0x00000100) {
1151 		u32 stat = nvkm_rd32(device, 0x407020) & 0x3fffffff;
1152 
1153 		nvkm_snprintbf(error, sizeof(error), gk104_sked_error, stat);
1154 		nvkm_error(subdev, "SKED: %08x [%s]\n", stat, error);
1155 
1156 		if (stat)
1157 			nvkm_wr32(device, 0x407020, 0x40000000);
1158 		nvkm_wr32(device, 0x400108, 0x00000100);
1159 		trap &= ~0x00000100;
1160 	}
1161 
1162 	if (trap & 0x01000000) {
1163 		u32 stat = nvkm_rd32(device, 0x400118);
1164 		for (gpc = 0; stat && gpc < gr->gpc_nr; gpc++) {
1165 			u32 mask = 0x00000001 << gpc;
1166 			if (stat & mask) {
1167 				gf100_gr_trap_gpc(gr, gpc);
1168 				nvkm_wr32(device, 0x400118, mask);
1169 				stat &= ~mask;
1170 			}
1171 		}
1172 		nvkm_wr32(device, 0x400108, 0x01000000);
1173 		trap &= ~0x01000000;
1174 	}
1175 
1176 	if (trap & 0x02000000) {
1177 		for (rop = 0; rop < gr->rop_nr; rop++) {
1178 			u32 statz = nvkm_rd32(device, ROP_UNIT(rop, 0x070));
1179 			u32 statc = nvkm_rd32(device, ROP_UNIT(rop, 0x144));
1180 			nvkm_error(subdev, "ROP%d %08x %08x\n",
1181 				 rop, statz, statc);
1182 			nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0xc0000000);
1183 			nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0xc0000000);
1184 		}
1185 		nvkm_wr32(device, 0x400108, 0x02000000);
1186 		trap &= ~0x02000000;
1187 	}
1188 
1189 	if (trap) {
1190 		nvkm_error(subdev, "TRAP UNHANDLED %08x\n", trap);
1191 		nvkm_wr32(device, 0x400108, trap);
1192 	}
1193 }
1194 
1195 static void
1196 gf100_gr_ctxctl_debug_unit(struct gf100_gr *gr, u32 base)
1197 {
1198 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1199 	struct nvkm_device *device = subdev->device;
1200 	nvkm_error(subdev, "%06x - done %08x\n", base,
1201 		   nvkm_rd32(device, base + 0x400));
1202 	nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1203 		   nvkm_rd32(device, base + 0x800),
1204 		   nvkm_rd32(device, base + 0x804),
1205 		   nvkm_rd32(device, base + 0x808),
1206 		   nvkm_rd32(device, base + 0x80c));
1207 	nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1208 		   nvkm_rd32(device, base + 0x810),
1209 		   nvkm_rd32(device, base + 0x814),
1210 		   nvkm_rd32(device, base + 0x818),
1211 		   nvkm_rd32(device, base + 0x81c));
1212 }
1213 
1214 void
1215 gf100_gr_ctxctl_debug(struct gf100_gr *gr)
1216 {
1217 	struct nvkm_device *device = gr->base.engine.subdev.device;
1218 	u32 gpcnr = nvkm_rd32(device, 0x409604) & 0xffff;
1219 	u32 gpc;
1220 
1221 	gf100_gr_ctxctl_debug_unit(gr, 0x409000);
1222 	for (gpc = 0; gpc < gpcnr; gpc++)
1223 		gf100_gr_ctxctl_debug_unit(gr, 0x502000 + (gpc * 0x8000));
1224 }
1225 
1226 static void
1227 gf100_gr_ctxctl_isr(struct gf100_gr *gr)
1228 {
1229 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1230 	struct nvkm_device *device = subdev->device;
1231 	u32 stat = nvkm_rd32(device, 0x409c18);
1232 
1233 	if (stat & 0x00000001) {
1234 		u32 code = nvkm_rd32(device, 0x409814);
1235 		if (code == E_BAD_FWMTHD) {
1236 			u32 class = nvkm_rd32(device, 0x409808);
1237 			u32  addr = nvkm_rd32(device, 0x40980c);
1238 			u32  subc = (addr & 0x00070000) >> 16;
1239 			u32  mthd = (addr & 0x00003ffc);
1240 			u32  data = nvkm_rd32(device, 0x409810);
1241 
1242 			nvkm_error(subdev, "FECS MTHD subc %d class %04x "
1243 					   "mthd %04x data %08x\n",
1244 				   subc, class, mthd, data);
1245 
1246 			nvkm_wr32(device, 0x409c20, 0x00000001);
1247 			stat &= ~0x00000001;
1248 		} else {
1249 			nvkm_error(subdev, "FECS ucode error %d\n", code);
1250 		}
1251 	}
1252 
1253 	if (stat & 0x00080000) {
1254 		nvkm_error(subdev, "FECS watchdog timeout\n");
1255 		gf100_gr_ctxctl_debug(gr);
1256 		nvkm_wr32(device, 0x409c20, 0x00080000);
1257 		stat &= ~0x00080000;
1258 	}
1259 
1260 	if (stat) {
1261 		nvkm_error(subdev, "FECS %08x\n", stat);
1262 		gf100_gr_ctxctl_debug(gr);
1263 		nvkm_wr32(device, 0x409c20, stat);
1264 	}
1265 }
1266 
1267 static void
1268 gf100_gr_intr(struct nvkm_gr *base)
1269 {
1270 	struct gf100_gr *gr = gf100_gr(base);
1271 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1272 	struct nvkm_device *device = subdev->device;
1273 	struct nvkm_fifo_chan *chan;
1274 	unsigned long flags;
1275 	u64 inst = nvkm_rd32(device, 0x409b00) & 0x0fffffff;
1276 	u32 stat = nvkm_rd32(device, 0x400100);
1277 	u32 addr = nvkm_rd32(device, 0x400704);
1278 	u32 mthd = (addr & 0x00003ffc);
1279 	u32 subc = (addr & 0x00070000) >> 16;
1280 	u32 data = nvkm_rd32(device, 0x400708);
1281 	u32 code = nvkm_rd32(device, 0x400110);
1282 	u32 class;
1283 	const char *name = "unknown";
1284 	int chid = -1;
1285 
1286 	chan = nvkm_fifo_chan_inst(device->fifo, (u64)inst << 12, &flags);
1287 	if (chan) {
1288 		name = chan->object.client->name;
1289 		chid = chan->chid;
1290 	}
1291 
1292 	if (device->card_type < NV_E0 || subc < 4)
1293 		class = nvkm_rd32(device, 0x404200 + (subc * 4));
1294 	else
1295 		class = 0x0000;
1296 
1297 	if (stat & 0x00000001) {
1298 		/*
1299 		 * notifier interrupt, only needed for cyclestats
1300 		 * can be safely ignored
1301 		 */
1302 		nvkm_wr32(device, 0x400100, 0x00000001);
1303 		stat &= ~0x00000001;
1304 	}
1305 
1306 	if (stat & 0x00000010) {
1307 		if (!gf100_gr_mthd_sw(device, class, mthd, data)) {
1308 			nvkm_error(subdev, "ILLEGAL_MTHD ch %d [%010llx %s] "
1309 				   "subc %d class %04x mthd %04x data %08x\n",
1310 				   chid, inst << 12, name, subc,
1311 				   class, mthd, data);
1312 		}
1313 		nvkm_wr32(device, 0x400100, 0x00000010);
1314 		stat &= ~0x00000010;
1315 	}
1316 
1317 	if (stat & 0x00000020) {
1318 		nvkm_error(subdev, "ILLEGAL_CLASS ch %d [%010llx %s] "
1319 			   "subc %d class %04x mthd %04x data %08x\n",
1320 			   chid, inst << 12, name, subc, class, mthd, data);
1321 		nvkm_wr32(device, 0x400100, 0x00000020);
1322 		stat &= ~0x00000020;
1323 	}
1324 
1325 	if (stat & 0x00100000) {
1326 		const struct nvkm_enum *en =
1327 			nvkm_enum_find(nv50_data_error_names, code);
1328 		nvkm_error(subdev, "DATA_ERROR %08x [%s] ch %d [%010llx %s] "
1329 				   "subc %d class %04x mthd %04x data %08x\n",
1330 			   code, en ? en->name : "", chid, inst << 12,
1331 			   name, subc, class, mthd, data);
1332 		nvkm_wr32(device, 0x400100, 0x00100000);
1333 		stat &= ~0x00100000;
1334 	}
1335 
1336 	if (stat & 0x00200000) {
1337 		nvkm_error(subdev, "TRAP ch %d [%010llx %s]\n",
1338 			   chid, inst << 12, name);
1339 		gf100_gr_trap_intr(gr);
1340 		nvkm_wr32(device, 0x400100, 0x00200000);
1341 		stat &= ~0x00200000;
1342 	}
1343 
1344 	if (stat & 0x00080000) {
1345 		gf100_gr_ctxctl_isr(gr);
1346 		nvkm_wr32(device, 0x400100, 0x00080000);
1347 		stat &= ~0x00080000;
1348 	}
1349 
1350 	if (stat) {
1351 		nvkm_error(subdev, "intr %08x\n", stat);
1352 		nvkm_wr32(device, 0x400100, stat);
1353 	}
1354 
1355 	nvkm_wr32(device, 0x400500, 0x00010001);
1356 	nvkm_fifo_chan_put(device->fifo, flags, &chan);
1357 }
1358 
1359 void
1360 gf100_gr_init_fw(struct gf100_gr *gr, u32 fuc_base,
1361 		 struct gf100_gr_fuc *code, struct gf100_gr_fuc *data)
1362 {
1363 	struct nvkm_device *device = gr->base.engine.subdev.device;
1364 	int i;
1365 
1366 	nvkm_wr32(device, fuc_base + 0x01c0, 0x01000000);
1367 	for (i = 0; i < data->size / 4; i++)
1368 		nvkm_wr32(device, fuc_base + 0x01c4, data->data[i]);
1369 
1370 	nvkm_wr32(device, fuc_base + 0x0180, 0x01000000);
1371 	for (i = 0; i < code->size / 4; i++) {
1372 		if ((i & 0x3f) == 0)
1373 			nvkm_wr32(device, fuc_base + 0x0188, i >> 6);
1374 		nvkm_wr32(device, fuc_base + 0x0184, code->data[i]);
1375 	}
1376 
1377 	/* code must be padded to 0x40 words */
1378 	for (; i & 0x3f; i++)
1379 		nvkm_wr32(device, fuc_base + 0x0184, 0);
1380 }
1381 
1382 static void
1383 gf100_gr_init_csdata(struct gf100_gr *gr,
1384 		     const struct gf100_gr_pack *pack,
1385 		     u32 falcon, u32 starstar, u32 base)
1386 {
1387 	struct nvkm_device *device = gr->base.engine.subdev.device;
1388 	const struct gf100_gr_pack *iter;
1389 	const struct gf100_gr_init *init;
1390 	u32 addr = ~0, prev = ~0, xfer = 0;
1391 	u32 star, temp;
1392 
1393 	nvkm_wr32(device, falcon + 0x01c0, 0x02000000 + starstar);
1394 	star = nvkm_rd32(device, falcon + 0x01c4);
1395 	temp = nvkm_rd32(device, falcon + 0x01c4);
1396 	if (temp > star)
1397 		star = temp;
1398 	nvkm_wr32(device, falcon + 0x01c0, 0x01000000 + star);
1399 
1400 	pack_for_each_init(init, iter, pack) {
1401 		u32 head = init->addr - base;
1402 		u32 tail = head + init->count * init->pitch;
1403 		while (head < tail) {
1404 			if (head != prev + 4 || xfer >= 32) {
1405 				if (xfer) {
1406 					u32 data = ((--xfer << 26) | addr);
1407 					nvkm_wr32(device, falcon + 0x01c4, data);
1408 					star += 4;
1409 				}
1410 				addr = head;
1411 				xfer = 0;
1412 			}
1413 			prev = head;
1414 			xfer = xfer + 1;
1415 			head = head + init->pitch;
1416 		}
1417 	}
1418 
1419 	nvkm_wr32(device, falcon + 0x01c4, (--xfer << 26) | addr);
1420 	nvkm_wr32(device, falcon + 0x01c0, 0x01000004 + starstar);
1421 	nvkm_wr32(device, falcon + 0x01c4, star + 4);
1422 }
1423 
1424 int
1425 gf100_gr_init_ctxctl(struct gf100_gr *gr)
1426 {
1427 	const struct gf100_grctx_func *grctx = gr->func->grctx;
1428 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1429 	struct nvkm_device *device = subdev->device;
1430 	int i;
1431 
1432 	if (gr->firmware) {
1433 		/* load fuc microcode */
1434 		nvkm_mc_unk260(device->mc, 0);
1435 		gf100_gr_init_fw(gr, 0x409000, &gr->fuc409c, &gr->fuc409d);
1436 		gf100_gr_init_fw(gr, 0x41a000, &gr->fuc41ac, &gr->fuc41ad);
1437 		nvkm_mc_unk260(device->mc, 1);
1438 
1439 		/* start both of them running */
1440 		nvkm_wr32(device, 0x409840, 0xffffffff);
1441 		nvkm_wr32(device, 0x41a10c, 0x00000000);
1442 		nvkm_wr32(device, 0x40910c, 0x00000000);
1443 		nvkm_wr32(device, 0x41a100, 0x00000002);
1444 		nvkm_wr32(device, 0x409100, 0x00000002);
1445 		if (nvkm_msec(device, 2000,
1446 			if (nvkm_rd32(device, 0x409800) & 0x00000001)
1447 				break;
1448 		) < 0)
1449 			return -EBUSY;
1450 
1451 		nvkm_wr32(device, 0x409840, 0xffffffff);
1452 		nvkm_wr32(device, 0x409500, 0x7fffffff);
1453 		nvkm_wr32(device, 0x409504, 0x00000021);
1454 
1455 		nvkm_wr32(device, 0x409840, 0xffffffff);
1456 		nvkm_wr32(device, 0x409500, 0x00000000);
1457 		nvkm_wr32(device, 0x409504, 0x00000010);
1458 		if (nvkm_msec(device, 2000,
1459 			if ((gr->size = nvkm_rd32(device, 0x409800)))
1460 				break;
1461 		) < 0)
1462 			return -EBUSY;
1463 
1464 		nvkm_wr32(device, 0x409840, 0xffffffff);
1465 		nvkm_wr32(device, 0x409500, 0x00000000);
1466 		nvkm_wr32(device, 0x409504, 0x00000016);
1467 		if (nvkm_msec(device, 2000,
1468 			if (nvkm_rd32(device, 0x409800))
1469 				break;
1470 		) < 0)
1471 			return -EBUSY;
1472 
1473 		nvkm_wr32(device, 0x409840, 0xffffffff);
1474 		nvkm_wr32(device, 0x409500, 0x00000000);
1475 		nvkm_wr32(device, 0x409504, 0x00000025);
1476 		if (nvkm_msec(device, 2000,
1477 			if (nvkm_rd32(device, 0x409800))
1478 				break;
1479 		) < 0)
1480 			return -EBUSY;
1481 
1482 		if (device->chipset >= 0xe0) {
1483 			nvkm_wr32(device, 0x409800, 0x00000000);
1484 			nvkm_wr32(device, 0x409500, 0x00000001);
1485 			nvkm_wr32(device, 0x409504, 0x00000030);
1486 			if (nvkm_msec(device, 2000,
1487 				if (nvkm_rd32(device, 0x409800))
1488 					break;
1489 			) < 0)
1490 				return -EBUSY;
1491 
1492 			nvkm_wr32(device, 0x409810, 0xb00095c8);
1493 			nvkm_wr32(device, 0x409800, 0x00000000);
1494 			nvkm_wr32(device, 0x409500, 0x00000001);
1495 			nvkm_wr32(device, 0x409504, 0x00000031);
1496 			if (nvkm_msec(device, 2000,
1497 				if (nvkm_rd32(device, 0x409800))
1498 					break;
1499 			) < 0)
1500 				return -EBUSY;
1501 
1502 			nvkm_wr32(device, 0x409810, 0x00080420);
1503 			nvkm_wr32(device, 0x409800, 0x00000000);
1504 			nvkm_wr32(device, 0x409500, 0x00000001);
1505 			nvkm_wr32(device, 0x409504, 0x00000032);
1506 			if (nvkm_msec(device, 2000,
1507 				if (nvkm_rd32(device, 0x409800))
1508 					break;
1509 			) < 0)
1510 				return -EBUSY;
1511 
1512 			nvkm_wr32(device, 0x409614, 0x00000070);
1513 			nvkm_wr32(device, 0x409614, 0x00000770);
1514 			nvkm_wr32(device, 0x40802c, 0x00000001);
1515 		}
1516 
1517 		if (gr->data == NULL) {
1518 			int ret = gf100_grctx_generate(gr);
1519 			if (ret) {
1520 				nvkm_error(subdev, "failed to construct context\n");
1521 				return ret;
1522 			}
1523 		}
1524 
1525 		return 0;
1526 	} else
1527 	if (!gr->func->fecs.ucode) {
1528 		return -ENOSYS;
1529 	}
1530 
1531 	/* load HUB microcode */
1532 	nvkm_mc_unk260(device->mc, 0);
1533 	nvkm_wr32(device, 0x4091c0, 0x01000000);
1534 	for (i = 0; i < gr->func->fecs.ucode->data.size / 4; i++)
1535 		nvkm_wr32(device, 0x4091c4, gr->func->fecs.ucode->data.data[i]);
1536 
1537 	nvkm_wr32(device, 0x409180, 0x01000000);
1538 	for (i = 0; i < gr->func->fecs.ucode->code.size / 4; i++) {
1539 		if ((i & 0x3f) == 0)
1540 			nvkm_wr32(device, 0x409188, i >> 6);
1541 		nvkm_wr32(device, 0x409184, gr->func->fecs.ucode->code.data[i]);
1542 	}
1543 
1544 	/* load GPC microcode */
1545 	nvkm_wr32(device, 0x41a1c0, 0x01000000);
1546 	for (i = 0; i < gr->func->gpccs.ucode->data.size / 4; i++)
1547 		nvkm_wr32(device, 0x41a1c4, gr->func->gpccs.ucode->data.data[i]);
1548 
1549 	nvkm_wr32(device, 0x41a180, 0x01000000);
1550 	for (i = 0; i < gr->func->gpccs.ucode->code.size / 4; i++) {
1551 		if ((i & 0x3f) == 0)
1552 			nvkm_wr32(device, 0x41a188, i >> 6);
1553 		nvkm_wr32(device, 0x41a184, gr->func->gpccs.ucode->code.data[i]);
1554 	}
1555 	nvkm_mc_unk260(device->mc, 1);
1556 
1557 	/* load register lists */
1558 	gf100_gr_init_csdata(gr, grctx->hub, 0x409000, 0x000, 0x000000);
1559 	gf100_gr_init_csdata(gr, grctx->gpc, 0x41a000, 0x000, 0x418000);
1560 	gf100_gr_init_csdata(gr, grctx->tpc, 0x41a000, 0x004, 0x419800);
1561 	gf100_gr_init_csdata(gr, grctx->ppc, 0x41a000, 0x008, 0x41be00);
1562 
1563 	/* start HUB ucode running, it'll init the GPCs */
1564 	nvkm_wr32(device, 0x40910c, 0x00000000);
1565 	nvkm_wr32(device, 0x409100, 0x00000002);
1566 	if (nvkm_msec(device, 2000,
1567 		if (nvkm_rd32(device, 0x409800) & 0x80000000)
1568 			break;
1569 	) < 0) {
1570 		gf100_gr_ctxctl_debug(gr);
1571 		return -EBUSY;
1572 	}
1573 
1574 	gr->size = nvkm_rd32(device, 0x409804);
1575 	if (gr->data == NULL) {
1576 		int ret = gf100_grctx_generate(gr);
1577 		if (ret) {
1578 			nvkm_error(subdev, "failed to construct context\n");
1579 			return ret;
1580 		}
1581 	}
1582 
1583 	return 0;
1584 }
1585 
1586 static int
1587 gf100_gr_oneinit(struct nvkm_gr *base)
1588 {
1589 	struct gf100_gr *gr = gf100_gr(base);
1590 	struct nvkm_device *device = gr->base.engine.subdev.device;
1591 	int ret, i, j;
1592 
1593 	nvkm_pmu_pgob(device->pmu, false);
1594 
1595 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 256, false,
1596 			      &gr->unk4188b4);
1597 	if (ret)
1598 		return ret;
1599 
1600 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 256, false,
1601 			      &gr->unk4188b8);
1602 	if (ret)
1603 		return ret;
1604 
1605 	nvkm_kmap(gr->unk4188b4);
1606 	for (i = 0; i < 0x1000; i += 4)
1607 		nvkm_wo32(gr->unk4188b4, i, 0x00000010);
1608 	nvkm_done(gr->unk4188b4);
1609 
1610 	nvkm_kmap(gr->unk4188b8);
1611 	for (i = 0; i < 0x1000; i += 4)
1612 		nvkm_wo32(gr->unk4188b8, i, 0x00000010);
1613 	nvkm_done(gr->unk4188b8);
1614 
1615 	gr->rop_nr = (nvkm_rd32(device, 0x409604) & 0x001f0000) >> 16;
1616 	gr->gpc_nr =  nvkm_rd32(device, 0x409604) & 0x0000001f;
1617 	for (i = 0; i < gr->gpc_nr; i++) {
1618 		gr->tpc_nr[i]  = nvkm_rd32(device, GPC_UNIT(i, 0x2608));
1619 		gr->tpc_total += gr->tpc_nr[i];
1620 		gr->ppc_nr[i]  = gr->func->ppc_nr;
1621 		for (j = 0; j < gr->ppc_nr[i]; j++) {
1622 			u8 mask = nvkm_rd32(device, GPC_UNIT(i, 0x0c30 + (j * 4)));
1623 			if (mask)
1624 				gr->ppc_mask[i] |= (1 << j);
1625 			gr->ppc_tpc_nr[i][j] = hweight8(mask);
1626 		}
1627 	}
1628 
1629 	/*XXX: these need figuring out... though it might not even matter */
1630 	switch (device->chipset) {
1631 	case 0xc0:
1632 		if (gr->tpc_total == 11) { /* 465, 3/4/4/0, 4 */
1633 			gr->magic_not_rop_nr = 0x07;
1634 		} else
1635 		if (gr->tpc_total == 14) { /* 470, 3/3/4/4, 5 */
1636 			gr->magic_not_rop_nr = 0x05;
1637 		} else
1638 		if (gr->tpc_total == 15) { /* 480, 3/4/4/4, 6 */
1639 			gr->magic_not_rop_nr = 0x06;
1640 		}
1641 		break;
1642 	case 0xc3: /* 450, 4/0/0/0, 2 */
1643 		gr->magic_not_rop_nr = 0x03;
1644 		break;
1645 	case 0xc4: /* 460, 3/4/0/0, 4 */
1646 		gr->magic_not_rop_nr = 0x01;
1647 		break;
1648 	case 0xc1: /* 2/0/0/0, 1 */
1649 		gr->magic_not_rop_nr = 0x01;
1650 		break;
1651 	case 0xc8: /* 4/4/3/4, 5 */
1652 		gr->magic_not_rop_nr = 0x06;
1653 		break;
1654 	case 0xce: /* 4/4/0/0, 4 */
1655 		gr->magic_not_rop_nr = 0x03;
1656 		break;
1657 	case 0xcf: /* 4/0/0/0, 3 */
1658 		gr->magic_not_rop_nr = 0x03;
1659 		break;
1660 	case 0xd7:
1661 	case 0xd9: /* 1/0/0/0, 1 */
1662 	case 0xea: /* gk20a */
1663 	case 0x12b: /* gm20b */
1664 		gr->magic_not_rop_nr = 0x01;
1665 		break;
1666 	}
1667 
1668 	return 0;
1669 }
1670 
1671 int
1672 gf100_gr_init_(struct nvkm_gr *base)
1673 {
1674 	struct gf100_gr *gr = gf100_gr(base);
1675 	nvkm_pmu_pgob(gr->base.engine.subdev.device->pmu, false);
1676 	return gr->func->init(gr);
1677 }
1678 
1679 void
1680 gf100_gr_dtor_fw(struct gf100_gr_fuc *fuc)
1681 {
1682 	kfree(fuc->data);
1683 	fuc->data = NULL;
1684 }
1685 
1686 void *
1687 gf100_gr_dtor(struct nvkm_gr *base)
1688 {
1689 	struct gf100_gr *gr = gf100_gr(base);
1690 
1691 	if (gr->func->dtor)
1692 		gr->func->dtor(gr);
1693 	kfree(gr->data);
1694 
1695 	gf100_gr_dtor_fw(&gr->fuc409c);
1696 	gf100_gr_dtor_fw(&gr->fuc409d);
1697 	gf100_gr_dtor_fw(&gr->fuc41ac);
1698 	gf100_gr_dtor_fw(&gr->fuc41ad);
1699 
1700 	nvkm_memory_del(&gr->unk4188b8);
1701 	nvkm_memory_del(&gr->unk4188b4);
1702 	return gr;
1703 }
1704 
1705 static const struct nvkm_gr_func
1706 gf100_gr_ = {
1707 	.dtor = gf100_gr_dtor,
1708 	.oneinit = gf100_gr_oneinit,
1709 	.init = gf100_gr_init_,
1710 	.intr = gf100_gr_intr,
1711 	.units = gf100_gr_units,
1712 	.chan_new = gf100_gr_chan_new,
1713 	.object_get = gf100_gr_object_get,
1714 };
1715 
1716 int
1717 gf100_gr_ctor_fw(struct gf100_gr *gr, const char *fwname,
1718 		 struct gf100_gr_fuc *fuc)
1719 {
1720 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1721 	struct nvkm_device *device = subdev->device;
1722 	const struct firmware *fw;
1723 	char f[64];
1724 	char cname[16];
1725 	int ret;
1726 	int i;
1727 
1728 	/* Convert device name to lowercase */
1729 	strncpy(cname, device->chip->name, sizeof(cname));
1730 	cname[sizeof(cname) - 1] = '\0';
1731 	i = strlen(cname);
1732 	while (i) {
1733 		--i;
1734 		cname[i] = tolower(cname[i]);
1735 	}
1736 
1737 	snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname);
1738 	ret = request_firmware(&fw, f, device->dev);
1739 	if (ret) {
1740 		nvkm_error(subdev, "failed to load %s\n", fwname);
1741 		return ret;
1742 	}
1743 
1744 	fuc->size = fw->size;
1745 	fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
1746 	release_firmware(fw);
1747 	return (fuc->data != NULL) ? 0 : -ENOMEM;
1748 }
1749 
1750 int
1751 gf100_gr_ctor(const struct gf100_gr_func *func, struct nvkm_device *device,
1752 	      int index, struct gf100_gr *gr)
1753 {
1754 	int ret;
1755 
1756 	gr->func = func;
1757 	gr->firmware = nvkm_boolopt(device->cfgopt, "NvGrUseFW",
1758 				    func->fecs.ucode == NULL);
1759 
1760 	ret = nvkm_gr_ctor(&gf100_gr_, device, index, 0x08001000,
1761 			   gr->firmware || func->fecs.ucode != NULL,
1762 			   &gr->base);
1763 	if (ret)
1764 		return ret;
1765 
1766 	if (gr->firmware) {
1767 		nvkm_info(&gr->base.engine.subdev, "using external firmware\n");
1768 		if (gf100_gr_ctor_fw(gr, "fecs_inst", &gr->fuc409c) ||
1769 		    gf100_gr_ctor_fw(gr, "fecs_data", &gr->fuc409d) ||
1770 		    gf100_gr_ctor_fw(gr, "gpccs_inst", &gr->fuc41ac) ||
1771 		    gf100_gr_ctor_fw(gr, "gpccs_data", &gr->fuc41ad))
1772 			return -ENODEV;
1773 	}
1774 
1775 	return 0;
1776 }
1777 
1778 int
1779 gf100_gr_new_(const struct gf100_gr_func *func, struct nvkm_device *device,
1780 	      int index, struct nvkm_gr **pgr)
1781 {
1782 	struct gf100_gr *gr;
1783 	if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
1784 		return -ENOMEM;
1785 	*pgr = &gr->base;
1786 	return gf100_gr_ctor(func, device, index, gr);
1787 }
1788 
1789 int
1790 gf100_gr_init(struct gf100_gr *gr)
1791 {
1792 	struct nvkm_device *device = gr->base.engine.subdev.device;
1793 	const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total);
1794 	u32 data[TPC_MAX / 8] = {};
1795 	u8  tpcnr[GPC_MAX];
1796 	int gpc, tpc, rop;
1797 	int i;
1798 
1799 	nvkm_wr32(device, GPC_BCAST(0x0880), 0x00000000);
1800 	nvkm_wr32(device, GPC_BCAST(0x08a4), 0x00000000);
1801 	nvkm_wr32(device, GPC_BCAST(0x0888), 0x00000000);
1802 	nvkm_wr32(device, GPC_BCAST(0x088c), 0x00000000);
1803 	nvkm_wr32(device, GPC_BCAST(0x0890), 0x00000000);
1804 	nvkm_wr32(device, GPC_BCAST(0x0894), 0x00000000);
1805 	nvkm_wr32(device, GPC_BCAST(0x08b4), nvkm_memory_addr(gr->unk4188b4) >> 8);
1806 	nvkm_wr32(device, GPC_BCAST(0x08b8), nvkm_memory_addr(gr->unk4188b8) >> 8);
1807 
1808 	gf100_gr_mmio(gr, gr->func->mmio);
1809 
1810 	memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
1811 	for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
1812 		do {
1813 			gpc = (gpc + 1) % gr->gpc_nr;
1814 		} while (!tpcnr[gpc]);
1815 		tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--;
1816 
1817 		data[i / 8] |= tpc << ((i % 8) * 4);
1818 	}
1819 
1820 	nvkm_wr32(device, GPC_BCAST(0x0980), data[0]);
1821 	nvkm_wr32(device, GPC_BCAST(0x0984), data[1]);
1822 	nvkm_wr32(device, GPC_BCAST(0x0988), data[2]);
1823 	nvkm_wr32(device, GPC_BCAST(0x098c), data[3]);
1824 
1825 	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
1826 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0914),
1827 			gr->magic_not_rop_nr << 8 | gr->tpc_nr[gpc]);
1828 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 |
1829 			gr->tpc_total);
1830 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918);
1831 	}
1832 
1833 	if (device->chipset != 0xd7)
1834 		nvkm_wr32(device, GPC_BCAST(0x1bd4), magicgpc918);
1835 	else
1836 		nvkm_wr32(device, GPC_BCAST(0x3fd4), magicgpc918);
1837 
1838 	nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800));
1839 
1840 	nvkm_wr32(device, 0x400500, 0x00010001);
1841 
1842 	nvkm_wr32(device, 0x400100, 0xffffffff);
1843 	nvkm_wr32(device, 0x40013c, 0xffffffff);
1844 
1845 	nvkm_wr32(device, 0x409c24, 0x000f0000);
1846 	nvkm_wr32(device, 0x404000, 0xc0000000);
1847 	nvkm_wr32(device, 0x404600, 0xc0000000);
1848 	nvkm_wr32(device, 0x408030, 0xc0000000);
1849 	nvkm_wr32(device, 0x40601c, 0xc0000000);
1850 	nvkm_wr32(device, 0x404490, 0xc0000000);
1851 	nvkm_wr32(device, 0x406018, 0xc0000000);
1852 	nvkm_wr32(device, 0x405840, 0xc0000000);
1853 	nvkm_wr32(device, 0x405844, 0x00ffffff);
1854 	nvkm_mask(device, 0x419cc0, 0x00000008, 0x00000008);
1855 	nvkm_mask(device, 0x419eb4, 0x00001000, 0x00001000);
1856 
1857 	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
1858 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
1859 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
1860 		nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
1861 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
1862 		for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
1863 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
1864 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
1865 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
1866 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
1867 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
1868 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
1869 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
1870 		}
1871 		nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
1872 		nvkm_wr32(device, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
1873 	}
1874 
1875 	for (rop = 0; rop < gr->rop_nr; rop++) {
1876 		nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0xc0000000);
1877 		nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0xc0000000);
1878 		nvkm_wr32(device, ROP_UNIT(rop, 0x204), 0xffffffff);
1879 		nvkm_wr32(device, ROP_UNIT(rop, 0x208), 0xffffffff);
1880 	}
1881 
1882 	nvkm_wr32(device, 0x400108, 0xffffffff);
1883 	nvkm_wr32(device, 0x400138, 0xffffffff);
1884 	nvkm_wr32(device, 0x400118, 0xffffffff);
1885 	nvkm_wr32(device, 0x400130, 0xffffffff);
1886 	nvkm_wr32(device, 0x40011c, 0xffffffff);
1887 	nvkm_wr32(device, 0x400134, 0xffffffff);
1888 
1889 	nvkm_wr32(device, 0x400054, 0x34ce3464);
1890 
1891 	gf100_gr_zbc_init(gr);
1892 
1893 	return gf100_gr_init_ctxctl(gr);
1894 }
1895 
1896 #include "fuc/hubgf100.fuc3.h"
1897 
1898 struct gf100_gr_ucode
1899 gf100_gr_fecs_ucode = {
1900 	.code.data = gf100_grhub_code,
1901 	.code.size = sizeof(gf100_grhub_code),
1902 	.data.data = gf100_grhub_data,
1903 	.data.size = sizeof(gf100_grhub_data),
1904 };
1905 
1906 #include "fuc/gpcgf100.fuc3.h"
1907 
1908 struct gf100_gr_ucode
1909 gf100_gr_gpccs_ucode = {
1910 	.code.data = gf100_grgpc_code,
1911 	.code.size = sizeof(gf100_grgpc_code),
1912 	.data.data = gf100_grgpc_data,
1913 	.data.size = sizeof(gf100_grgpc_data),
1914 };
1915 
1916 static const struct gf100_gr_func
1917 gf100_gr = {
1918 	.init = gf100_gr_init,
1919 	.mmio = gf100_gr_pack_mmio,
1920 	.fecs.ucode = &gf100_gr_fecs_ucode,
1921 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
1922 	.grctx = &gf100_grctx,
1923 	.sclass = {
1924 		{ -1, -1, FERMI_TWOD_A },
1925 		{ -1, -1, FERMI_MEMORY_TO_MEMORY_FORMAT_A },
1926 		{ -1, -1, FERMI_A, &gf100_fermi },
1927 		{ -1, -1, FERMI_COMPUTE_A },
1928 		{}
1929 	}
1930 };
1931 
1932 int
1933 gf100_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
1934 {
1935 	return gf100_gr_new_(&gf100_gr, device, index, pgr);
1936 }
1937