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