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/handle.h>
30 #include <core/option.h>
31 #include <engine/fifo.h>
32 #include <subdev/fb.h>
33 #include <subdev/mc.h>
34 #include <subdev/timer.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 = nvkm_ltc(gr);
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 	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 = nvkm_ltc(gr);
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 	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 = (void *)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 = (void *)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 struct nvkm_ofuncs
228 gf100_fermi_ofuncs = {
229 	.ctor = _nvkm_object_ctor,
230 	.dtor = nvkm_object_destroy,
231 	.init = nvkm_object_init,
232 	.fini = nvkm_object_fini,
233 	.mthd = gf100_fermi_mthd,
234 };
235 
236 static int
237 gf100_gr_set_shader_exceptions(struct nvkm_object *object, u32 mthd,
238 			       void *pdata, u32 size)
239 {
240 	struct gf100_gr *gr = (void *)object->engine;
241 	struct nvkm_device *device = gr->base.engine.subdev.device;
242 	if (size >= sizeof(u32)) {
243 		u32 data = *(u32 *)pdata ? 0xffffffff : 0x00000000;
244 		nvkm_wr32(device, 0x419e44, data);
245 		nvkm_wr32(device, 0x419e4c, data);
246 		return 0;
247 	}
248 	return -EINVAL;
249 }
250 
251 struct nvkm_omthds
252 gf100_gr_9097_omthds[] = {
253 	{ 0x1528, 0x1528, gf100_gr_set_shader_exceptions },
254 	{}
255 };
256 
257 struct nvkm_omthds
258 gf100_gr_90c0_omthds[] = {
259 	{ 0x1528, 0x1528, gf100_gr_set_shader_exceptions },
260 	{}
261 };
262 
263 struct nvkm_oclass
264 gf100_gr_sclass[] = {
265 	{ FERMI_TWOD_A, &nvkm_object_ofuncs },
266 	{ FERMI_MEMORY_TO_MEMORY_FORMAT_A, &nvkm_object_ofuncs },
267 	{ FERMI_A, &gf100_fermi_ofuncs, gf100_gr_9097_omthds },
268 	{ FERMI_COMPUTE_A, &nvkm_object_ofuncs, gf100_gr_90c0_omthds },
269 	{}
270 };
271 
272 /*******************************************************************************
273  * PGRAPH context
274  ******************************************************************************/
275 
276 int
277 gf100_gr_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
278 		      struct nvkm_oclass *oclass, void *args, u32 size,
279 		      struct nvkm_object **pobject)
280 {
281 	struct nvkm_vm *vm = nvkm_client(parent)->vm;
282 	struct gf100_gr *gr = (void *)engine;
283 	struct gf100_gr_data *data = gr->mmio_data;
284 	struct gf100_gr_mmio *mmio = gr->mmio_list;
285 	struct gf100_gr_chan *chan;
286 	int ret, i;
287 
288 	/* allocate memory for context, and fill with default values */
289 	ret = nvkm_gr_context_create(parent, engine, oclass, NULL,
290 				     gr->size, 0x100,
291 				     NVOBJ_FLAG_ZERO_ALLOC, &chan);
292 	*pobject = nv_object(chan);
293 	if (ret)
294 		return ret;
295 
296 	/* allocate memory for a "mmio list" buffer that's used by the HUB
297 	 * fuc to modify some per-context register settings on first load
298 	 * of the context.
299 	 */
300 	ret = nvkm_gpuobj_new(nv_object(chan), NULL, 0x1000, 0x100, 0,
301 			      &chan->mmio);
302 	if (ret)
303 		return ret;
304 
305 	ret = nvkm_gpuobj_map_vm(nv_gpuobj(chan->mmio), vm,
306 				 NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
307 				 &chan->mmio_vma);
308 	if (ret)
309 		return ret;
310 
311 	/* allocate buffers referenced by mmio list */
312 	for (i = 0; data->size && i < ARRAY_SIZE(gr->mmio_data); i++) {
313 		ret = nvkm_gpuobj_new(nv_object(chan), NULL, data->size,
314 				      data->align, 0, &chan->data[i].mem);
315 		if (ret)
316 			return ret;
317 
318 		ret = nvkm_gpuobj_map_vm(chan->data[i].mem, vm, data->access,
319 					 &chan->data[i].vma);
320 		if (ret)
321 			return ret;
322 
323 		data++;
324 	}
325 
326 	/* finally, fill in the mmio list and point the context at it */
327 	for (i = 0; mmio->addr && i < ARRAY_SIZE(gr->mmio_list); i++) {
328 		u32 addr = mmio->addr;
329 		u32 data = mmio->data;
330 
331 		if (mmio->buffer >= 0) {
332 			u64 info = chan->data[mmio->buffer].vma.offset;
333 			data |= info >> mmio->shift;
334 		}
335 
336 		nv_wo32(chan->mmio, chan->mmio_nr++ * 4, addr);
337 		nv_wo32(chan->mmio, chan->mmio_nr++ * 4, data);
338 		mmio++;
339 	}
340 
341 	for (i = 0; i < gr->size; i += 4)
342 		nv_wo32(chan, i, gr->data[i / 4]);
343 
344 	if (!gr->firmware) {
345 		nv_wo32(chan, 0x00, chan->mmio_nr / 2);
346 		nv_wo32(chan, 0x04, chan->mmio_vma.offset >> 8);
347 	} else {
348 		nv_wo32(chan, 0xf4, 0);
349 		nv_wo32(chan, 0xf8, 0);
350 		nv_wo32(chan, 0x10, chan->mmio_nr / 2);
351 		nv_wo32(chan, 0x14, lower_32_bits(chan->mmio_vma.offset));
352 		nv_wo32(chan, 0x18, upper_32_bits(chan->mmio_vma.offset));
353 		nv_wo32(chan, 0x1c, 1);
354 		nv_wo32(chan, 0x20, 0);
355 		nv_wo32(chan, 0x28, 0);
356 		nv_wo32(chan, 0x2c, 0);
357 	}
358 
359 	return 0;
360 }
361 
362 void
363 gf100_gr_context_dtor(struct nvkm_object *object)
364 {
365 	struct gf100_gr_chan *chan = (void *)object;
366 	int i;
367 
368 	for (i = 0; i < ARRAY_SIZE(chan->data); i++) {
369 		nvkm_gpuobj_unmap(&chan->data[i].vma);
370 		nvkm_gpuobj_ref(NULL, &chan->data[i].mem);
371 	}
372 
373 	nvkm_gpuobj_unmap(&chan->mmio_vma);
374 	nvkm_gpuobj_ref(NULL, &chan->mmio);
375 
376 	nvkm_gr_context_destroy(&chan->base);
377 }
378 
379 /*******************************************************************************
380  * PGRAPH register lists
381  ******************************************************************************/
382 
383 const struct gf100_gr_init
384 gf100_gr_init_main_0[] = {
385 	{ 0x400080,   1, 0x04, 0x003083c2 },
386 	{ 0x400088,   1, 0x04, 0x00006fe7 },
387 	{ 0x40008c,   1, 0x04, 0x00000000 },
388 	{ 0x400090,   1, 0x04, 0x00000030 },
389 	{ 0x40013c,   1, 0x04, 0x013901f7 },
390 	{ 0x400140,   1, 0x04, 0x00000100 },
391 	{ 0x400144,   1, 0x04, 0x00000000 },
392 	{ 0x400148,   1, 0x04, 0x00000110 },
393 	{ 0x400138,   1, 0x04, 0x00000000 },
394 	{ 0x400130,   2, 0x04, 0x00000000 },
395 	{ 0x400124,   1, 0x04, 0x00000002 },
396 	{}
397 };
398 
399 const struct gf100_gr_init
400 gf100_gr_init_fe_0[] = {
401 	{ 0x40415c,   1, 0x04, 0x00000000 },
402 	{ 0x404170,   1, 0x04, 0x00000000 },
403 	{}
404 };
405 
406 const struct gf100_gr_init
407 gf100_gr_init_pri_0[] = {
408 	{ 0x404488,   2, 0x04, 0x00000000 },
409 	{}
410 };
411 
412 const struct gf100_gr_init
413 gf100_gr_init_rstr2d_0[] = {
414 	{ 0x407808,   1, 0x04, 0x00000000 },
415 	{}
416 };
417 
418 const struct gf100_gr_init
419 gf100_gr_init_pd_0[] = {
420 	{ 0x406024,   1, 0x04, 0x00000000 },
421 	{}
422 };
423 
424 const struct gf100_gr_init
425 gf100_gr_init_ds_0[] = {
426 	{ 0x405844,   1, 0x04, 0x00ffffff },
427 	{ 0x405850,   1, 0x04, 0x00000000 },
428 	{ 0x405908,   1, 0x04, 0x00000000 },
429 	{}
430 };
431 
432 const struct gf100_gr_init
433 gf100_gr_init_scc_0[] = {
434 	{ 0x40803c,   1, 0x04, 0x00000000 },
435 	{}
436 };
437 
438 const struct gf100_gr_init
439 gf100_gr_init_prop_0[] = {
440 	{ 0x4184a0,   1, 0x04, 0x00000000 },
441 	{}
442 };
443 
444 const struct gf100_gr_init
445 gf100_gr_init_gpc_unk_0[] = {
446 	{ 0x418604,   1, 0x04, 0x00000000 },
447 	{ 0x418680,   1, 0x04, 0x00000000 },
448 	{ 0x418714,   1, 0x04, 0x80000000 },
449 	{ 0x418384,   1, 0x04, 0x00000000 },
450 	{}
451 };
452 
453 const struct gf100_gr_init
454 gf100_gr_init_setup_0[] = {
455 	{ 0x418814,   3, 0x04, 0x00000000 },
456 	{}
457 };
458 
459 const struct gf100_gr_init
460 gf100_gr_init_crstr_0[] = {
461 	{ 0x418b04,   1, 0x04, 0x00000000 },
462 	{}
463 };
464 
465 const struct gf100_gr_init
466 gf100_gr_init_setup_1[] = {
467 	{ 0x4188c8,   1, 0x04, 0x80000000 },
468 	{ 0x4188cc,   1, 0x04, 0x00000000 },
469 	{ 0x4188d0,   1, 0x04, 0x00010000 },
470 	{ 0x4188d4,   1, 0x04, 0x00000001 },
471 	{}
472 };
473 
474 const struct gf100_gr_init
475 gf100_gr_init_zcull_0[] = {
476 	{ 0x418910,   1, 0x04, 0x00010001 },
477 	{ 0x418914,   1, 0x04, 0x00000301 },
478 	{ 0x418918,   1, 0x04, 0x00800000 },
479 	{ 0x418980,   1, 0x04, 0x77777770 },
480 	{ 0x418984,   3, 0x04, 0x77777777 },
481 	{}
482 };
483 
484 const struct gf100_gr_init
485 gf100_gr_init_gpm_0[] = {
486 	{ 0x418c04,   1, 0x04, 0x00000000 },
487 	{ 0x418c88,   1, 0x04, 0x00000000 },
488 	{}
489 };
490 
491 const struct gf100_gr_init
492 gf100_gr_init_gpc_unk_1[] = {
493 	{ 0x418d00,   1, 0x04, 0x00000000 },
494 	{ 0x418f08,   1, 0x04, 0x00000000 },
495 	{ 0x418e00,   1, 0x04, 0x00000050 },
496 	{ 0x418e08,   1, 0x04, 0x00000000 },
497 	{}
498 };
499 
500 const struct gf100_gr_init
501 gf100_gr_init_gcc_0[] = {
502 	{ 0x41900c,   1, 0x04, 0x00000000 },
503 	{ 0x419018,   1, 0x04, 0x00000000 },
504 	{}
505 };
506 
507 const struct gf100_gr_init
508 gf100_gr_init_tpccs_0[] = {
509 	{ 0x419d08,   2, 0x04, 0x00000000 },
510 	{ 0x419d10,   1, 0x04, 0x00000014 },
511 	{}
512 };
513 
514 const struct gf100_gr_init
515 gf100_gr_init_tex_0[] = {
516 	{ 0x419ab0,   1, 0x04, 0x00000000 },
517 	{ 0x419ab8,   1, 0x04, 0x000000e7 },
518 	{ 0x419abc,   2, 0x04, 0x00000000 },
519 	{}
520 };
521 
522 const struct gf100_gr_init
523 gf100_gr_init_pe_0[] = {
524 	{ 0x41980c,   3, 0x04, 0x00000000 },
525 	{ 0x419844,   1, 0x04, 0x00000000 },
526 	{ 0x41984c,   1, 0x04, 0x00005bc5 },
527 	{ 0x419850,   4, 0x04, 0x00000000 },
528 	{}
529 };
530 
531 const struct gf100_gr_init
532 gf100_gr_init_l1c_0[] = {
533 	{ 0x419c98,   1, 0x04, 0x00000000 },
534 	{ 0x419ca8,   1, 0x04, 0x80000000 },
535 	{ 0x419cb4,   1, 0x04, 0x00000000 },
536 	{ 0x419cb8,   1, 0x04, 0x00008bf4 },
537 	{ 0x419cbc,   1, 0x04, 0x28137606 },
538 	{ 0x419cc0,   2, 0x04, 0x00000000 },
539 	{}
540 };
541 
542 const struct gf100_gr_init
543 gf100_gr_init_wwdx_0[] = {
544 	{ 0x419bd4,   1, 0x04, 0x00800000 },
545 	{ 0x419bdc,   1, 0x04, 0x00000000 },
546 	{}
547 };
548 
549 const struct gf100_gr_init
550 gf100_gr_init_tpccs_1[] = {
551 	{ 0x419d2c,   1, 0x04, 0x00000000 },
552 	{}
553 };
554 
555 const struct gf100_gr_init
556 gf100_gr_init_mpc_0[] = {
557 	{ 0x419c0c,   1, 0x04, 0x00000000 },
558 	{}
559 };
560 
561 static const struct gf100_gr_init
562 gf100_gr_init_sm_0[] = {
563 	{ 0x419e00,   1, 0x04, 0x00000000 },
564 	{ 0x419ea0,   1, 0x04, 0x00000000 },
565 	{ 0x419ea4,   1, 0x04, 0x00000100 },
566 	{ 0x419ea8,   1, 0x04, 0x00001100 },
567 	{ 0x419eac,   1, 0x04, 0x11100702 },
568 	{ 0x419eb0,   1, 0x04, 0x00000003 },
569 	{ 0x419eb4,   4, 0x04, 0x00000000 },
570 	{ 0x419ec8,   1, 0x04, 0x06060618 },
571 	{ 0x419ed0,   1, 0x04, 0x0eff0e38 },
572 	{ 0x419ed4,   1, 0x04, 0x011104f1 },
573 	{ 0x419edc,   1, 0x04, 0x00000000 },
574 	{ 0x419f00,   1, 0x04, 0x00000000 },
575 	{ 0x419f2c,   1, 0x04, 0x00000000 },
576 	{}
577 };
578 
579 const struct gf100_gr_init
580 gf100_gr_init_be_0[] = {
581 	{ 0x40880c,   1, 0x04, 0x00000000 },
582 	{ 0x408910,   9, 0x04, 0x00000000 },
583 	{ 0x408950,   1, 0x04, 0x00000000 },
584 	{ 0x408954,   1, 0x04, 0x0000ffff },
585 	{ 0x408984,   1, 0x04, 0x00000000 },
586 	{ 0x408988,   1, 0x04, 0x08040201 },
587 	{ 0x40898c,   1, 0x04, 0x80402010 },
588 	{}
589 };
590 
591 const struct gf100_gr_init
592 gf100_gr_init_fe_1[] = {
593 	{ 0x4040f0,   1, 0x04, 0x00000000 },
594 	{}
595 };
596 
597 const struct gf100_gr_init
598 gf100_gr_init_pe_1[] = {
599 	{ 0x419880,   1, 0x04, 0x00000002 },
600 	{}
601 };
602 
603 static const struct gf100_gr_pack
604 gf100_gr_pack_mmio[] = {
605 	{ gf100_gr_init_main_0 },
606 	{ gf100_gr_init_fe_0 },
607 	{ gf100_gr_init_pri_0 },
608 	{ gf100_gr_init_rstr2d_0 },
609 	{ gf100_gr_init_pd_0 },
610 	{ gf100_gr_init_ds_0 },
611 	{ gf100_gr_init_scc_0 },
612 	{ gf100_gr_init_prop_0 },
613 	{ gf100_gr_init_gpc_unk_0 },
614 	{ gf100_gr_init_setup_0 },
615 	{ gf100_gr_init_crstr_0 },
616 	{ gf100_gr_init_setup_1 },
617 	{ gf100_gr_init_zcull_0 },
618 	{ gf100_gr_init_gpm_0 },
619 	{ gf100_gr_init_gpc_unk_1 },
620 	{ gf100_gr_init_gcc_0 },
621 	{ gf100_gr_init_tpccs_0 },
622 	{ gf100_gr_init_tex_0 },
623 	{ gf100_gr_init_pe_0 },
624 	{ gf100_gr_init_l1c_0 },
625 	{ gf100_gr_init_wwdx_0 },
626 	{ gf100_gr_init_tpccs_1 },
627 	{ gf100_gr_init_mpc_0 },
628 	{ gf100_gr_init_sm_0 },
629 	{ gf100_gr_init_be_0 },
630 	{ gf100_gr_init_fe_1 },
631 	{ gf100_gr_init_pe_1 },
632 	{}
633 };
634 
635 /*******************************************************************************
636  * PGRAPH engine/subdev functions
637  ******************************************************************************/
638 
639 void
640 gf100_gr_zbc_init(struct gf100_gr *gr)
641 {
642 	const u32  zero[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
643 			      0x00000000, 0x00000000, 0x00000000, 0x00000000 };
644 	const u32   one[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
645 			      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
646 	const u32 f32_0[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
647 			      0x00000000, 0x00000000, 0x00000000, 0x00000000 };
648 	const u32 f32_1[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
649 			      0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000 };
650 	struct nvkm_ltc *ltc = nvkm_ltc(gr);
651 	int index;
652 
653 	if (!gr->zbc_color[0].format) {
654 		gf100_gr_zbc_color_get(gr, 1,  & zero[0],   &zero[4]);
655 		gf100_gr_zbc_color_get(gr, 2,  &  one[0],    &one[4]);
656 		gf100_gr_zbc_color_get(gr, 4,  &f32_0[0],  &f32_0[4]);
657 		gf100_gr_zbc_color_get(gr, 4,  &f32_1[0],  &f32_1[4]);
658 		gf100_gr_zbc_depth_get(gr, 1, 0x00000000, 0x00000000);
659 		gf100_gr_zbc_depth_get(gr, 1, 0x3f800000, 0x3f800000);
660 	}
661 
662 	for (index = ltc->zbc_min; index <= ltc->zbc_max; index++)
663 		gf100_gr_zbc_clear_color(gr, index);
664 	for (index = ltc->zbc_min; index <= ltc->zbc_max; index++)
665 		gf100_gr_zbc_clear_depth(gr, index);
666 }
667 
668 /**
669  * Wait until GR goes idle. GR is considered idle if it is disabled by the
670  * MC (0x200) register, or GR is not busy and a context switch is not in
671  * progress.
672  */
673 int
674 gf100_gr_wait_idle(struct gf100_gr *gr)
675 {
676 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
677 	struct nvkm_device *device = subdev->device;
678 	unsigned long end_jiffies = jiffies + msecs_to_jiffies(2000);
679 	bool gr_enabled, ctxsw_active, gr_busy;
680 
681 	do {
682 		/*
683 		 * required to make sure FIFO_ENGINE_STATUS (0x2640) is
684 		 * up-to-date
685 		 */
686 		nvkm_rd32(device, 0x400700);
687 
688 		gr_enabled = nvkm_rd32(device, 0x200) & 0x1000;
689 		ctxsw_active = nvkm_rd32(device, 0x2640) & 0x8000;
690 		gr_busy = nvkm_rd32(device, 0x40060c) & 0x1;
691 
692 		if (!gr_enabled || (!gr_busy && !ctxsw_active))
693 			return 0;
694 	} while (time_before(jiffies, end_jiffies));
695 
696 	nvkm_error(subdev,
697 		   "wait for idle timeout (en: %d, ctxsw: %d, busy: %d)\n",
698 		   gr_enabled, ctxsw_active, gr_busy);
699 	return -EAGAIN;
700 }
701 
702 void
703 gf100_gr_mmio(struct gf100_gr *gr, const struct gf100_gr_pack *p)
704 {
705 	struct nvkm_device *device = gr->base.engine.subdev.device;
706 	const struct gf100_gr_pack *pack;
707 	const struct gf100_gr_init *init;
708 
709 	pack_for_each_init(init, pack, p) {
710 		u32 next = init->addr + init->count * init->pitch;
711 		u32 addr = init->addr;
712 		while (addr < next) {
713 			nvkm_wr32(device, addr, init->data);
714 			addr += init->pitch;
715 		}
716 	}
717 }
718 
719 void
720 gf100_gr_icmd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
721 {
722 	struct nvkm_device *device = gr->base.engine.subdev.device;
723 	const struct gf100_gr_pack *pack;
724 	const struct gf100_gr_init *init;
725 	u32 data = 0;
726 
727 	nvkm_wr32(device, 0x400208, 0x80000000);
728 
729 	pack_for_each_init(init, pack, p) {
730 		u32 next = init->addr + init->count * init->pitch;
731 		u32 addr = init->addr;
732 
733 		if ((pack == p && init == p->init) || data != init->data) {
734 			nvkm_wr32(device, 0x400204, init->data);
735 			data = init->data;
736 		}
737 
738 		while (addr < next) {
739 			nvkm_wr32(device, 0x400200, addr);
740 			/**
741 			 * Wait for GR to go idle after submitting a
742 			 * GO_IDLE bundle
743 			 */
744 			if ((addr & 0xffff) == 0xe100)
745 				gf100_gr_wait_idle(gr);
746 			nvkm_msec(device, 2000,
747 				if (!(nvkm_rd32(device, 0x400700) & 0x00000004))
748 					break;
749 			);
750 			addr += init->pitch;
751 		}
752 	}
753 
754 	nvkm_wr32(device, 0x400208, 0x00000000);
755 }
756 
757 void
758 gf100_gr_mthd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
759 {
760 	struct nvkm_device *device = gr->base.engine.subdev.device;
761 	const struct gf100_gr_pack *pack;
762 	const struct gf100_gr_init *init;
763 	u32 data = 0;
764 
765 	pack_for_each_init(init, pack, p) {
766 		u32 ctrl = 0x80000000 | pack->type;
767 		u32 next = init->addr + init->count * init->pitch;
768 		u32 addr = init->addr;
769 
770 		if ((pack == p && init == p->init) || data != init->data) {
771 			nvkm_wr32(device, 0x40448c, init->data);
772 			data = init->data;
773 		}
774 
775 		while (addr < next) {
776 			nvkm_wr32(device, 0x404488, ctrl | (addr << 14));
777 			addr += init->pitch;
778 		}
779 	}
780 }
781 
782 u64
783 gf100_gr_units(struct nvkm_gr *obj)
784 {
785 	struct gf100_gr *gr = container_of(obj, typeof(*gr), base);
786 	u64 cfg;
787 
788 	cfg  = (u32)gr->gpc_nr;
789 	cfg |= (u32)gr->tpc_total << 8;
790 	cfg |= (u64)gr->rop_nr << 32;
791 
792 	return cfg;
793 }
794 
795 static const struct nvkm_bitfield gk104_sked_error[] = {
796 	{ 0x00000080, "CONSTANT_BUFFER_SIZE" },
797 	{ 0x00000200, "LOCAL_MEMORY_SIZE_POS" },
798 	{ 0x00000400, "LOCAL_MEMORY_SIZE_NEG" },
799 	{ 0x00000800, "WARP_CSTACK_SIZE" },
800 	{ 0x00001000, "TOTAL_TEMP_SIZE" },
801 	{ 0x00002000, "REGISTER_COUNT" },
802 	{ 0x00040000, "TOTAL_THREADS" },
803 	{ 0x00100000, "PROGRAM_OFFSET" },
804 	{ 0x00200000, "SHARED_MEMORY_SIZE" },
805 	{ 0x02000000, "SHARED_CONFIG_TOO_SMALL" },
806 	{ 0x04000000, "TOTAL_REGISTER_COUNT" },
807 	{}
808 };
809 
810 static const struct nvkm_bitfield gf100_gpc_rop_error[] = {
811 	{ 0x00000002, "RT_PITCH_OVERRUN" },
812 	{ 0x00000010, "RT_WIDTH_OVERRUN" },
813 	{ 0x00000020, "RT_HEIGHT_OVERRUN" },
814 	{ 0x00000080, "ZETA_STORAGE_TYPE_MISMATCH" },
815 	{ 0x00000100, "RT_STORAGE_TYPE_MISMATCH" },
816 	{ 0x00000400, "RT_LINEAR_MISMATCH" },
817 	{}
818 };
819 
820 static void
821 gf100_gr_trap_gpc_rop(struct gf100_gr *gr, int gpc)
822 {
823 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
824 	struct nvkm_device *device = subdev->device;
825 	char error[128];
826 	u32 trap[4];
827 
828 	trap[0] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0420)) & 0x3fffffff;
829 	trap[1] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0434));
830 	trap[2] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0438));
831 	trap[3] = nvkm_rd32(device, GPC_UNIT(gpc, 0x043c));
832 
833 	nvkm_snprintbf(error, sizeof(error), gf100_gpc_rop_error, trap[0]);
834 
835 	nvkm_error(subdev, "GPC%d/PROP trap: %08x [%s] x = %u, y = %u, "
836 			   "format = %x, storage type = %x\n",
837 		   gpc, trap[0], error, trap[1] & 0xffff, trap[1] >> 16,
838 		   (trap[2] >> 8) & 0x3f, trap[3] & 0xff);
839 	nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
840 }
841 
842 static const struct nvkm_enum gf100_mp_warp_error[] = {
843 	{ 0x00, "NO_ERROR" },
844 	{ 0x01, "STACK_MISMATCH" },
845 	{ 0x05, "MISALIGNED_PC" },
846 	{ 0x08, "MISALIGNED_GPR" },
847 	{ 0x09, "INVALID_OPCODE" },
848 	{ 0x0d, "GPR_OUT_OF_BOUNDS" },
849 	{ 0x0e, "MEM_OUT_OF_BOUNDS" },
850 	{ 0x0f, "UNALIGNED_MEM_ACCESS" },
851 	{ 0x11, "INVALID_PARAM" },
852 	{}
853 };
854 
855 static const struct nvkm_bitfield gf100_mp_global_error[] = {
856 	{ 0x00000004, "MULTIPLE_WARP_ERRORS" },
857 	{ 0x00000008, "OUT_OF_STACK_SPACE" },
858 	{}
859 };
860 
861 static void
862 gf100_gr_trap_mp(struct gf100_gr *gr, int gpc, int tpc)
863 {
864 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
865 	struct nvkm_device *device = subdev->device;
866 	u32 werr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x648));
867 	u32 gerr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x650));
868 	const struct nvkm_enum *warp;
869 	char glob[128];
870 
871 	nvkm_snprintbf(glob, sizeof(glob), gf100_mp_global_error, gerr);
872 	warp = nvkm_enum_find(gf100_mp_warp_error, werr & 0xffff);
873 
874 	nvkm_error(subdev, "GPC%i/TPC%i/MP trap: "
875 			   "global %08x [%s] warp %04x [%s]\n",
876 		   gpc, tpc, gerr, glob, werr, warp ? warp->name : "");
877 
878 	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x648), 0x00000000);
879 	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x650), gerr);
880 }
881 
882 static void
883 gf100_gr_trap_tpc(struct gf100_gr *gr, int gpc, int tpc)
884 {
885 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
886 	struct nvkm_device *device = subdev->device;
887 	u32 stat = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0508));
888 
889 	if (stat & 0x00000001) {
890 		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0224));
891 		nvkm_error(subdev, "GPC%d/TPC%d/TEX: %08x\n", gpc, tpc, trap);
892 		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
893 		stat &= ~0x00000001;
894 	}
895 
896 	if (stat & 0x00000002) {
897 		gf100_gr_trap_mp(gr, gpc, tpc);
898 		stat &= ~0x00000002;
899 	}
900 
901 	if (stat & 0x00000004) {
902 		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0084));
903 		nvkm_error(subdev, "GPC%d/TPC%d/POLY: %08x\n", gpc, tpc, trap);
904 		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
905 		stat &= ~0x00000004;
906 	}
907 
908 	if (stat & 0x00000008) {
909 		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x048c));
910 		nvkm_error(subdev, "GPC%d/TPC%d/L1C: %08x\n", gpc, tpc, trap);
911 		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
912 		stat &= ~0x00000008;
913 	}
914 
915 	if (stat) {
916 		nvkm_error(subdev, "GPC%d/TPC%d/%08x: unknown\n", gpc, tpc, stat);
917 	}
918 }
919 
920 static void
921 gf100_gr_trap_gpc(struct gf100_gr *gr, int gpc)
922 {
923 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
924 	struct nvkm_device *device = subdev->device;
925 	u32 stat = nvkm_rd32(device, GPC_UNIT(gpc, 0x2c90));
926 	int tpc;
927 
928 	if (stat & 0x00000001) {
929 		gf100_gr_trap_gpc_rop(gr, gpc);
930 		stat &= ~0x00000001;
931 	}
932 
933 	if (stat & 0x00000002) {
934 		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0900));
935 		nvkm_error(subdev, "GPC%d/ZCULL: %08x\n", gpc, trap);
936 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
937 		stat &= ~0x00000002;
938 	}
939 
940 	if (stat & 0x00000004) {
941 		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x1028));
942 		nvkm_error(subdev, "GPC%d/CCACHE: %08x\n", gpc, trap);
943 		nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
944 		stat &= ~0x00000004;
945 	}
946 
947 	if (stat & 0x00000008) {
948 		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0824));
949 		nvkm_error(subdev, "GPC%d/ESETUP: %08x\n", gpc, trap);
950 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
951 		stat &= ~0x00000009;
952 	}
953 
954 	for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
955 		u32 mask = 0x00010000 << tpc;
956 		if (stat & mask) {
957 			gf100_gr_trap_tpc(gr, gpc, tpc);
958 			nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), mask);
959 			stat &= ~mask;
960 		}
961 	}
962 
963 	if (stat) {
964 		nvkm_error(subdev, "GPC%d/%08x: unknown\n", gpc, stat);
965 	}
966 }
967 
968 static void
969 gf100_gr_trap_intr(struct gf100_gr *gr)
970 {
971 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
972 	struct nvkm_device *device = subdev->device;
973 	u32 trap = nvkm_rd32(device, 0x400108);
974 	int rop, gpc;
975 
976 	if (trap & 0x00000001) {
977 		u32 stat = nvkm_rd32(device, 0x404000);
978 		nvkm_error(subdev, "DISPATCH %08x\n", stat);
979 		nvkm_wr32(device, 0x404000, 0xc0000000);
980 		nvkm_wr32(device, 0x400108, 0x00000001);
981 		trap &= ~0x00000001;
982 	}
983 
984 	if (trap & 0x00000002) {
985 		u32 stat = nvkm_rd32(device, 0x404600);
986 		nvkm_error(subdev, "M2MF %08x\n", stat);
987 		nvkm_wr32(device, 0x404600, 0xc0000000);
988 		nvkm_wr32(device, 0x400108, 0x00000002);
989 		trap &= ~0x00000002;
990 	}
991 
992 	if (trap & 0x00000008) {
993 		u32 stat = nvkm_rd32(device, 0x408030);
994 		nvkm_error(subdev, "CCACHE %08x\n", stat);
995 		nvkm_wr32(device, 0x408030, 0xc0000000);
996 		nvkm_wr32(device, 0x400108, 0x00000008);
997 		trap &= ~0x00000008;
998 	}
999 
1000 	if (trap & 0x00000010) {
1001 		u32 stat = nvkm_rd32(device, 0x405840);
1002 		nvkm_error(subdev, "SHADER %08x\n", stat);
1003 		nvkm_wr32(device, 0x405840, 0xc0000000);
1004 		nvkm_wr32(device, 0x400108, 0x00000010);
1005 		trap &= ~0x00000010;
1006 	}
1007 
1008 	if (trap & 0x00000040) {
1009 		u32 stat = nvkm_rd32(device, 0x40601c);
1010 		nvkm_error(subdev, "UNK6 %08x\n", stat);
1011 		nvkm_wr32(device, 0x40601c, 0xc0000000);
1012 		nvkm_wr32(device, 0x400108, 0x00000040);
1013 		trap &= ~0x00000040;
1014 	}
1015 
1016 	if (trap & 0x00000080) {
1017 		u32 stat = nvkm_rd32(device, 0x404490);
1018 		nvkm_error(subdev, "MACRO %08x\n", stat);
1019 		nvkm_wr32(device, 0x404490, 0xc0000000);
1020 		nvkm_wr32(device, 0x400108, 0x00000080);
1021 		trap &= ~0x00000080;
1022 	}
1023 
1024 	if (trap & 0x00000100) {
1025 		u32 stat = nvkm_rd32(device, 0x407020) & 0x3fffffff;
1026 		char sked[128];
1027 
1028 		nvkm_snprintbf(sked, sizeof(sked), gk104_sked_error, stat);
1029 		nvkm_error(subdev, "SKED: %08x [%s]\n", stat, sked);
1030 
1031 		if (stat)
1032 			nvkm_wr32(device, 0x407020, 0x40000000);
1033 		nvkm_wr32(device, 0x400108, 0x00000100);
1034 		trap &= ~0x00000100;
1035 	}
1036 
1037 	if (trap & 0x01000000) {
1038 		u32 stat = nvkm_rd32(device, 0x400118);
1039 		for (gpc = 0; stat && gpc < gr->gpc_nr; gpc++) {
1040 			u32 mask = 0x00000001 << gpc;
1041 			if (stat & mask) {
1042 				gf100_gr_trap_gpc(gr, gpc);
1043 				nvkm_wr32(device, 0x400118, mask);
1044 				stat &= ~mask;
1045 			}
1046 		}
1047 		nvkm_wr32(device, 0x400108, 0x01000000);
1048 		trap &= ~0x01000000;
1049 	}
1050 
1051 	if (trap & 0x02000000) {
1052 		for (rop = 0; rop < gr->rop_nr; rop++) {
1053 			u32 statz = nvkm_rd32(device, ROP_UNIT(rop, 0x070));
1054 			u32 statc = nvkm_rd32(device, ROP_UNIT(rop, 0x144));
1055 			nvkm_error(subdev, "ROP%d %08x %08x\n",
1056 				 rop, statz, statc);
1057 			nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0xc0000000);
1058 			nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0xc0000000);
1059 		}
1060 		nvkm_wr32(device, 0x400108, 0x02000000);
1061 		trap &= ~0x02000000;
1062 	}
1063 
1064 	if (trap) {
1065 		nvkm_error(subdev, "TRAP UNHANDLED %08x\n", trap);
1066 		nvkm_wr32(device, 0x400108, trap);
1067 	}
1068 }
1069 
1070 static void
1071 gf100_gr_ctxctl_debug_unit(struct gf100_gr *gr, u32 base)
1072 {
1073 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1074 	struct nvkm_device *device = subdev->device;
1075 	nvkm_error(subdev, "%06x - done %08x\n", base,
1076 		   nvkm_rd32(device, base + 0x400));
1077 	nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1078 		   nvkm_rd32(device, base + 0x800),
1079 		   nvkm_rd32(device, base + 0x804),
1080 		   nvkm_rd32(device, base + 0x808),
1081 		   nvkm_rd32(device, base + 0x80c));
1082 	nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1083 		   nvkm_rd32(device, base + 0x810),
1084 		   nvkm_rd32(device, base + 0x814),
1085 		   nvkm_rd32(device, base + 0x818),
1086 		   nvkm_rd32(device, base + 0x81c));
1087 }
1088 
1089 void
1090 gf100_gr_ctxctl_debug(struct gf100_gr *gr)
1091 {
1092 	struct nvkm_device *device = gr->base.engine.subdev.device;
1093 	u32 gpcnr = nvkm_rd32(device, 0x409604) & 0xffff;
1094 	u32 gpc;
1095 
1096 	gf100_gr_ctxctl_debug_unit(gr, 0x409000);
1097 	for (gpc = 0; gpc < gpcnr; gpc++)
1098 		gf100_gr_ctxctl_debug_unit(gr, 0x502000 + (gpc * 0x8000));
1099 }
1100 
1101 static void
1102 gf100_gr_ctxctl_isr(struct gf100_gr *gr)
1103 {
1104 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1105 	struct nvkm_device *device = subdev->device;
1106 	u32 stat = nvkm_rd32(device, 0x409c18);
1107 
1108 	if (stat & 0x00000001) {
1109 		u32 code = nvkm_rd32(device, 0x409814);
1110 		if (code == E_BAD_FWMTHD) {
1111 			u32 class = nvkm_rd32(device, 0x409808);
1112 			u32  addr = nvkm_rd32(device, 0x40980c);
1113 			u32  subc = (addr & 0x00070000) >> 16;
1114 			u32  mthd = (addr & 0x00003ffc);
1115 			u32  data = nvkm_rd32(device, 0x409810);
1116 
1117 			nvkm_error(subdev, "FECS MTHD subc %d class %04x "
1118 					   "mthd %04x data %08x\n",
1119 				   subc, class, mthd, data);
1120 
1121 			nvkm_wr32(device, 0x409c20, 0x00000001);
1122 			stat &= ~0x00000001;
1123 		} else {
1124 			nvkm_error(subdev, "FECS ucode error %d\n", code);
1125 		}
1126 	}
1127 
1128 	if (stat & 0x00080000) {
1129 		nvkm_error(subdev, "FECS watchdog timeout\n");
1130 		gf100_gr_ctxctl_debug(gr);
1131 		nvkm_wr32(device, 0x409c20, 0x00080000);
1132 		stat &= ~0x00080000;
1133 	}
1134 
1135 	if (stat) {
1136 		nvkm_error(subdev, "FECS %08x\n", stat);
1137 		gf100_gr_ctxctl_debug(gr);
1138 		nvkm_wr32(device, 0x409c20, stat);
1139 	}
1140 }
1141 
1142 static void
1143 gf100_gr_intr(struct nvkm_subdev *subdev)
1144 {
1145 	struct gf100_gr *gr = (void *)subdev;
1146 	struct nvkm_device *device = gr->base.engine.subdev.device;
1147 	struct nvkm_fifo *fifo = device->fifo;
1148 	struct nvkm_engine *engine = nv_engine(subdev);
1149 	struct nvkm_object *engctx;
1150 	struct nvkm_handle *handle;
1151 	u64 inst = nvkm_rd32(device, 0x409b00) & 0x0fffffff;
1152 	u32 stat = nvkm_rd32(device, 0x400100);
1153 	u32 addr = nvkm_rd32(device, 0x400704);
1154 	u32 mthd = (addr & 0x00003ffc);
1155 	u32 subc = (addr & 0x00070000) >> 16;
1156 	u32 data = nvkm_rd32(device, 0x400708);
1157 	u32 code = nvkm_rd32(device, 0x400110);
1158 	u32 class;
1159 	int chid;
1160 
1161 	if (nv_device(gr)->card_type < NV_E0 || subc < 4)
1162 		class = nvkm_rd32(device, 0x404200 + (subc * 4));
1163 	else
1164 		class = 0x0000;
1165 
1166 	engctx = nvkm_engctx_get(engine, inst);
1167 	chid   = fifo->chid(fifo, engctx);
1168 
1169 	if (stat & 0x00000001) {
1170 		/*
1171 		 * notifier interrupt, only needed for cyclestats
1172 		 * can be safely ignored
1173 		 */
1174 		nvkm_wr32(device, 0x400100, 0x00000001);
1175 		stat &= ~0x00000001;
1176 	}
1177 
1178 	if (stat & 0x00000010) {
1179 		handle = nvkm_handle_get_class(engctx, class);
1180 		if (!handle || nv_call(handle->object, mthd, data)) {
1181 			nvkm_error(subdev, "ILLEGAL_MTHD ch %d [%010llx %s] "
1182 				   "subc %d class %04x mthd %04x data %08x\n",
1183 				   chid, inst << 12, nvkm_client_name(engctx),
1184 				   subc, class, mthd, data);
1185 		}
1186 		nvkm_handle_put(handle);
1187 		nvkm_wr32(device, 0x400100, 0x00000010);
1188 		stat &= ~0x00000010;
1189 	}
1190 
1191 	if (stat & 0x00000020) {
1192 		nvkm_error(subdev, "ILLEGAL_CLASS ch %d [%010llx %s] "
1193 			   "subc %d class %04x mthd %04x data %08x\n",
1194 			   chid, inst << 12, nvkm_client_name(engctx), subc,
1195 			   class, mthd, data);
1196 		nvkm_wr32(device, 0x400100, 0x00000020);
1197 		stat &= ~0x00000020;
1198 	}
1199 
1200 	if (stat & 0x00100000) {
1201 		const struct nvkm_enum *en =
1202 			nvkm_enum_find(nv50_data_error_names, code);
1203 		nvkm_error(subdev, "DATA_ERROR %08x [%s] ch %d [%010llx %s] "
1204 				   "subc %d class %04x mthd %04x data %08x\n",
1205 			   code, en ? en->name : "", chid, inst << 12,
1206 			   nvkm_client_name(engctx), subc, class, mthd, data);
1207 		nvkm_wr32(device, 0x400100, 0x00100000);
1208 		stat &= ~0x00100000;
1209 	}
1210 
1211 	if (stat & 0x00200000) {
1212 		nvkm_error(subdev, "TRAP ch %d [%010llx %s]\n",
1213 			   chid, inst << 12,
1214 			   nvkm_client_name(engctx));
1215 		gf100_gr_trap_intr(gr);
1216 		nvkm_wr32(device, 0x400100, 0x00200000);
1217 		stat &= ~0x00200000;
1218 	}
1219 
1220 	if (stat & 0x00080000) {
1221 		gf100_gr_ctxctl_isr(gr);
1222 		nvkm_wr32(device, 0x400100, 0x00080000);
1223 		stat &= ~0x00080000;
1224 	}
1225 
1226 	if (stat) {
1227 		nvkm_error(subdev, "intr %08x\n", stat);
1228 		nvkm_wr32(device, 0x400100, stat);
1229 	}
1230 
1231 	nvkm_wr32(device, 0x400500, 0x00010001);
1232 	nvkm_engctx_put(engctx);
1233 }
1234 
1235 void
1236 gf100_gr_init_fw(struct gf100_gr *gr, u32 fuc_base,
1237 		 struct gf100_gr_fuc *code, struct gf100_gr_fuc *data)
1238 {
1239 	struct nvkm_device *device = gr->base.engine.subdev.device;
1240 	int i;
1241 
1242 	nvkm_wr32(device, fuc_base + 0x01c0, 0x01000000);
1243 	for (i = 0; i < data->size / 4; i++)
1244 		nvkm_wr32(device, fuc_base + 0x01c4, data->data[i]);
1245 
1246 	nvkm_wr32(device, fuc_base + 0x0180, 0x01000000);
1247 	for (i = 0; i < code->size / 4; i++) {
1248 		if ((i & 0x3f) == 0)
1249 			nvkm_wr32(device, fuc_base + 0x0188, i >> 6);
1250 		nvkm_wr32(device, fuc_base + 0x0184, code->data[i]);
1251 	}
1252 
1253 	/* code must be padded to 0x40 words */
1254 	for (; i & 0x3f; i++)
1255 		nvkm_wr32(device, fuc_base + 0x0184, 0);
1256 }
1257 
1258 static void
1259 gf100_gr_init_csdata(struct gf100_gr *gr,
1260 		     const struct gf100_gr_pack *pack,
1261 		     u32 falcon, u32 starstar, u32 base)
1262 {
1263 	struct nvkm_device *device = gr->base.engine.subdev.device;
1264 	const struct gf100_gr_pack *iter;
1265 	const struct gf100_gr_init *init;
1266 	u32 addr = ~0, prev = ~0, xfer = 0;
1267 	u32 star, temp;
1268 
1269 	nvkm_wr32(device, falcon + 0x01c0, 0x02000000 + starstar);
1270 	star = nvkm_rd32(device, falcon + 0x01c4);
1271 	temp = nvkm_rd32(device, falcon + 0x01c4);
1272 	if (temp > star)
1273 		star = temp;
1274 	nvkm_wr32(device, falcon + 0x01c0, 0x01000000 + star);
1275 
1276 	pack_for_each_init(init, iter, pack) {
1277 		u32 head = init->addr - base;
1278 		u32 tail = head + init->count * init->pitch;
1279 		while (head < tail) {
1280 			if (head != prev + 4 || xfer >= 32) {
1281 				if (xfer) {
1282 					u32 data = ((--xfer << 26) | addr);
1283 					nvkm_wr32(device, falcon + 0x01c4, data);
1284 					star += 4;
1285 				}
1286 				addr = head;
1287 				xfer = 0;
1288 			}
1289 			prev = head;
1290 			xfer = xfer + 1;
1291 			head = head + init->pitch;
1292 		}
1293 	}
1294 
1295 	nvkm_wr32(device, falcon + 0x01c4, (--xfer << 26) | addr);
1296 	nvkm_wr32(device, falcon + 0x01c0, 0x01000004 + starstar);
1297 	nvkm_wr32(device, falcon + 0x01c4, star + 4);
1298 }
1299 
1300 int
1301 gf100_gr_init_ctxctl(struct gf100_gr *gr)
1302 {
1303 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1304 	struct nvkm_device *device = subdev->device;
1305 	struct gf100_gr_oclass *oclass = (void *)nv_object(gr)->oclass;
1306 	struct gf100_grctx_oclass *cclass = (void *)nv_engine(gr)->cclass;
1307 	int i;
1308 
1309 	if (gr->firmware) {
1310 		/* load fuc microcode */
1311 		nvkm_mc(gr)->unk260(nvkm_mc(gr), 0);
1312 		gf100_gr_init_fw(gr, 0x409000, &gr->fuc409c,
1313 						 &gr->fuc409d);
1314 		gf100_gr_init_fw(gr, 0x41a000, &gr->fuc41ac,
1315 						 &gr->fuc41ad);
1316 		nvkm_mc(gr)->unk260(nvkm_mc(gr), 1);
1317 
1318 		/* start both of them running */
1319 		nvkm_wr32(device, 0x409840, 0xffffffff);
1320 		nvkm_wr32(device, 0x41a10c, 0x00000000);
1321 		nvkm_wr32(device, 0x40910c, 0x00000000);
1322 		nvkm_wr32(device, 0x41a100, 0x00000002);
1323 		nvkm_wr32(device, 0x409100, 0x00000002);
1324 		if (nvkm_msec(device, 2000,
1325 			if (nvkm_rd32(device, 0x409800) & 0x00000001)
1326 				break;
1327 		) < 0)
1328 			return -EBUSY;
1329 
1330 		nvkm_wr32(device, 0x409840, 0xffffffff);
1331 		nvkm_wr32(device, 0x409500, 0x7fffffff);
1332 		nvkm_wr32(device, 0x409504, 0x00000021);
1333 
1334 		nvkm_wr32(device, 0x409840, 0xffffffff);
1335 		nvkm_wr32(device, 0x409500, 0x00000000);
1336 		nvkm_wr32(device, 0x409504, 0x00000010);
1337 		if (nvkm_msec(device, 2000,
1338 			if ((gr->size = nvkm_rd32(device, 0x409800)))
1339 				break;
1340 		) < 0)
1341 			return -EBUSY;
1342 
1343 		nvkm_wr32(device, 0x409840, 0xffffffff);
1344 		nvkm_wr32(device, 0x409500, 0x00000000);
1345 		nvkm_wr32(device, 0x409504, 0x00000016);
1346 		if (nvkm_msec(device, 2000,
1347 			if (nvkm_rd32(device, 0x409800))
1348 				break;
1349 		) < 0)
1350 			return -EBUSY;
1351 
1352 		nvkm_wr32(device, 0x409840, 0xffffffff);
1353 		nvkm_wr32(device, 0x409500, 0x00000000);
1354 		nvkm_wr32(device, 0x409504, 0x00000025);
1355 		if (nvkm_msec(device, 2000,
1356 			if (nvkm_rd32(device, 0x409800))
1357 				break;
1358 		) < 0)
1359 			return -EBUSY;
1360 
1361 		if (nv_device(gr)->chipset >= 0xe0) {
1362 			nvkm_wr32(device, 0x409800, 0x00000000);
1363 			nvkm_wr32(device, 0x409500, 0x00000001);
1364 			nvkm_wr32(device, 0x409504, 0x00000030);
1365 			if (nvkm_msec(device, 2000,
1366 				if (nvkm_rd32(device, 0x409800))
1367 					break;
1368 			) < 0)
1369 				return -EBUSY;
1370 
1371 			nvkm_wr32(device, 0x409810, 0xb00095c8);
1372 			nvkm_wr32(device, 0x409800, 0x00000000);
1373 			nvkm_wr32(device, 0x409500, 0x00000001);
1374 			nvkm_wr32(device, 0x409504, 0x00000031);
1375 			if (nvkm_msec(device, 2000,
1376 				if (nvkm_rd32(device, 0x409800))
1377 					break;
1378 			) < 0)
1379 				return -EBUSY;
1380 
1381 			nvkm_wr32(device, 0x409810, 0x00080420);
1382 			nvkm_wr32(device, 0x409800, 0x00000000);
1383 			nvkm_wr32(device, 0x409500, 0x00000001);
1384 			nvkm_wr32(device, 0x409504, 0x00000032);
1385 			if (nvkm_msec(device, 2000,
1386 				if (nvkm_rd32(device, 0x409800))
1387 					break;
1388 			) < 0)
1389 				return -EBUSY;
1390 
1391 			nvkm_wr32(device, 0x409614, 0x00000070);
1392 			nvkm_wr32(device, 0x409614, 0x00000770);
1393 			nvkm_wr32(device, 0x40802c, 0x00000001);
1394 		}
1395 
1396 		if (gr->data == NULL) {
1397 			int ret = gf100_grctx_generate(gr);
1398 			if (ret) {
1399 				nvkm_error(subdev, "failed to construct context\n");
1400 				return ret;
1401 			}
1402 		}
1403 
1404 		return 0;
1405 	} else
1406 	if (!oclass->fecs.ucode) {
1407 		return -ENOSYS;
1408 	}
1409 
1410 	/* load HUB microcode */
1411 	nvkm_mc(gr)->unk260(nvkm_mc(gr), 0);
1412 	nvkm_wr32(device, 0x4091c0, 0x01000000);
1413 	for (i = 0; i < oclass->fecs.ucode->data.size / 4; i++)
1414 		nvkm_wr32(device, 0x4091c4, oclass->fecs.ucode->data.data[i]);
1415 
1416 	nvkm_wr32(device, 0x409180, 0x01000000);
1417 	for (i = 0; i < oclass->fecs.ucode->code.size / 4; i++) {
1418 		if ((i & 0x3f) == 0)
1419 			nvkm_wr32(device, 0x409188, i >> 6);
1420 		nvkm_wr32(device, 0x409184, oclass->fecs.ucode->code.data[i]);
1421 	}
1422 
1423 	/* load GPC microcode */
1424 	nvkm_wr32(device, 0x41a1c0, 0x01000000);
1425 	for (i = 0; i < oclass->gpccs.ucode->data.size / 4; i++)
1426 		nvkm_wr32(device, 0x41a1c4, oclass->gpccs.ucode->data.data[i]);
1427 
1428 	nvkm_wr32(device, 0x41a180, 0x01000000);
1429 	for (i = 0; i < oclass->gpccs.ucode->code.size / 4; i++) {
1430 		if ((i & 0x3f) == 0)
1431 			nvkm_wr32(device, 0x41a188, i >> 6);
1432 		nvkm_wr32(device, 0x41a184, oclass->gpccs.ucode->code.data[i]);
1433 	}
1434 	nvkm_mc(gr)->unk260(nvkm_mc(gr), 1);
1435 
1436 	/* load register lists */
1437 	gf100_gr_init_csdata(gr, cclass->hub, 0x409000, 0x000, 0x000000);
1438 	gf100_gr_init_csdata(gr, cclass->gpc, 0x41a000, 0x000, 0x418000);
1439 	gf100_gr_init_csdata(gr, cclass->tpc, 0x41a000, 0x004, 0x419800);
1440 	gf100_gr_init_csdata(gr, cclass->ppc, 0x41a000, 0x008, 0x41be00);
1441 
1442 	/* start HUB ucode running, it'll init the GPCs */
1443 	nvkm_wr32(device, 0x40910c, 0x00000000);
1444 	nvkm_wr32(device, 0x409100, 0x00000002);
1445 	if (nvkm_msec(device, 2000,
1446 		if (nvkm_rd32(device, 0x409800) & 0x80000000)
1447 			break;
1448 	) < 0) {
1449 		gf100_gr_ctxctl_debug(gr);
1450 		return -EBUSY;
1451 	}
1452 
1453 	gr->size = nvkm_rd32(device, 0x409804);
1454 	if (gr->data == NULL) {
1455 		int ret = gf100_grctx_generate(gr);
1456 		if (ret) {
1457 			nvkm_error(subdev, "failed to construct context\n");
1458 			return ret;
1459 		}
1460 	}
1461 
1462 	return 0;
1463 }
1464 
1465 int
1466 gf100_gr_init(struct nvkm_object *object)
1467 {
1468 	struct gf100_gr *gr = (void *)object;
1469 	struct nvkm_device *device = gr->base.engine.subdev.device;
1470 	struct gf100_gr_oclass *oclass = (void *)object->oclass;
1471 	const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total);
1472 	u32 data[TPC_MAX / 8] = {};
1473 	u8  tpcnr[GPC_MAX];
1474 	int gpc, tpc, rop;
1475 	int ret, i;
1476 
1477 	ret = nvkm_gr_init(&gr->base);
1478 	if (ret)
1479 		return ret;
1480 
1481 	nvkm_wr32(device, GPC_BCAST(0x0880), 0x00000000);
1482 	nvkm_wr32(device, GPC_BCAST(0x08a4), 0x00000000);
1483 	nvkm_wr32(device, GPC_BCAST(0x0888), 0x00000000);
1484 	nvkm_wr32(device, GPC_BCAST(0x088c), 0x00000000);
1485 	nvkm_wr32(device, GPC_BCAST(0x0890), 0x00000000);
1486 	nvkm_wr32(device, GPC_BCAST(0x0894), 0x00000000);
1487 	nvkm_wr32(device, GPC_BCAST(0x08b4), gr->unk4188b4->addr >> 8);
1488 	nvkm_wr32(device, GPC_BCAST(0x08b8), gr->unk4188b8->addr >> 8);
1489 
1490 	gf100_gr_mmio(gr, oclass->mmio);
1491 
1492 	memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
1493 	for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
1494 		do {
1495 			gpc = (gpc + 1) % gr->gpc_nr;
1496 		} while (!tpcnr[gpc]);
1497 		tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--;
1498 
1499 		data[i / 8] |= tpc << ((i % 8) * 4);
1500 	}
1501 
1502 	nvkm_wr32(device, GPC_BCAST(0x0980), data[0]);
1503 	nvkm_wr32(device, GPC_BCAST(0x0984), data[1]);
1504 	nvkm_wr32(device, GPC_BCAST(0x0988), data[2]);
1505 	nvkm_wr32(device, GPC_BCAST(0x098c), data[3]);
1506 
1507 	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
1508 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0914),
1509 			gr->magic_not_rop_nr << 8 | gr->tpc_nr[gpc]);
1510 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 |
1511 			gr->tpc_total);
1512 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918);
1513 	}
1514 
1515 	if (nv_device(gr)->chipset != 0xd7)
1516 		nvkm_wr32(device, GPC_BCAST(0x1bd4), magicgpc918);
1517 	else
1518 		nvkm_wr32(device, GPC_BCAST(0x3fd4), magicgpc918);
1519 
1520 	nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800));
1521 
1522 	nvkm_wr32(device, 0x400500, 0x00010001);
1523 
1524 	nvkm_wr32(device, 0x400100, 0xffffffff);
1525 	nvkm_wr32(device, 0x40013c, 0xffffffff);
1526 
1527 	nvkm_wr32(device, 0x409c24, 0x000f0000);
1528 	nvkm_wr32(device, 0x404000, 0xc0000000);
1529 	nvkm_wr32(device, 0x404600, 0xc0000000);
1530 	nvkm_wr32(device, 0x408030, 0xc0000000);
1531 	nvkm_wr32(device, 0x40601c, 0xc0000000);
1532 	nvkm_wr32(device, 0x404490, 0xc0000000);
1533 	nvkm_wr32(device, 0x406018, 0xc0000000);
1534 	nvkm_wr32(device, 0x405840, 0xc0000000);
1535 	nvkm_wr32(device, 0x405844, 0x00ffffff);
1536 	nvkm_mask(device, 0x419cc0, 0x00000008, 0x00000008);
1537 	nvkm_mask(device, 0x419eb4, 0x00001000, 0x00001000);
1538 
1539 	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
1540 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
1541 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
1542 		nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
1543 		nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
1544 		for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
1545 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
1546 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
1547 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
1548 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
1549 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
1550 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
1551 			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
1552 		}
1553 		nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
1554 		nvkm_wr32(device, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
1555 	}
1556 
1557 	for (rop = 0; rop < gr->rop_nr; rop++) {
1558 		nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0xc0000000);
1559 		nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0xc0000000);
1560 		nvkm_wr32(device, ROP_UNIT(rop, 0x204), 0xffffffff);
1561 		nvkm_wr32(device, ROP_UNIT(rop, 0x208), 0xffffffff);
1562 	}
1563 
1564 	nvkm_wr32(device, 0x400108, 0xffffffff);
1565 	nvkm_wr32(device, 0x400138, 0xffffffff);
1566 	nvkm_wr32(device, 0x400118, 0xffffffff);
1567 	nvkm_wr32(device, 0x400130, 0xffffffff);
1568 	nvkm_wr32(device, 0x40011c, 0xffffffff);
1569 	nvkm_wr32(device, 0x400134, 0xffffffff);
1570 
1571 	nvkm_wr32(device, 0x400054, 0x34ce3464);
1572 
1573 	gf100_gr_zbc_init(gr);
1574 
1575 	return gf100_gr_init_ctxctl(gr);
1576 }
1577 
1578 void
1579 gf100_gr_dtor_fw(struct gf100_gr_fuc *fuc)
1580 {
1581 	kfree(fuc->data);
1582 	fuc->data = NULL;
1583 }
1584 
1585 int
1586 gf100_gr_ctor_fw(struct gf100_gr *gr, const char *fwname,
1587 		 struct gf100_gr_fuc *fuc)
1588 {
1589 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1590 	struct nvkm_device *device = subdev->device;
1591 	const struct firmware *fw;
1592 	char f[64];
1593 	char cname[16];
1594 	int ret;
1595 	int i;
1596 
1597 	/* Convert device name to lowercase */
1598 	strncpy(cname, device->cname, sizeof(cname));
1599 	cname[sizeof(cname) - 1] = '\0';
1600 	i = strlen(cname);
1601 	while (i) {
1602 		--i;
1603 		cname[i] = tolower(cname[i]);
1604 	}
1605 
1606 	snprintf(f, sizeof(f), "nvidia/%s/%s.bin", cname, fwname);
1607 	ret = request_firmware(&fw, f, nv_device_base(device));
1608 	if (ret) {
1609 		nvkm_error(subdev, "failed to load %s\n", fwname);
1610 		return ret;
1611 	}
1612 
1613 	fuc->size = fw->size;
1614 	fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
1615 	release_firmware(fw);
1616 	return (fuc->data != NULL) ? 0 : -ENOMEM;
1617 }
1618 
1619 void
1620 gf100_gr_dtor(struct nvkm_object *object)
1621 {
1622 	struct gf100_gr *gr = (void *)object;
1623 
1624 	kfree(gr->data);
1625 
1626 	gf100_gr_dtor_fw(&gr->fuc409c);
1627 	gf100_gr_dtor_fw(&gr->fuc409d);
1628 	gf100_gr_dtor_fw(&gr->fuc41ac);
1629 	gf100_gr_dtor_fw(&gr->fuc41ad);
1630 
1631 	nvkm_gpuobj_ref(NULL, &gr->unk4188b8);
1632 	nvkm_gpuobj_ref(NULL, &gr->unk4188b4);
1633 
1634 	nvkm_gr_destroy(&gr->base);
1635 }
1636 
1637 int
1638 gf100_gr_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
1639 	      struct nvkm_oclass *bclass, void *data, u32 size,
1640 	      struct nvkm_object **pobject)
1641 {
1642 	struct gf100_gr_oclass *oclass = (void *)bclass;
1643 	struct nvkm_device *device = (void *)parent;
1644 	struct gf100_gr *gr;
1645 	bool use_ext_fw, enable;
1646 	int ret, i, j;
1647 
1648 	use_ext_fw = nvkm_boolopt(device->cfgopt, "NvGrUseFW",
1649 				  oclass->fecs.ucode == NULL);
1650 	enable = use_ext_fw || oclass->fecs.ucode != NULL;
1651 
1652 	ret = nvkm_gr_create(parent, engine, bclass, enable, &gr);
1653 	*pobject = nv_object(gr);
1654 	if (ret)
1655 		return ret;
1656 
1657 	nv_subdev(gr)->unit = 0x08001000;
1658 	nv_subdev(gr)->intr = gf100_gr_intr;
1659 
1660 	gr->base.units = gf100_gr_units;
1661 
1662 	if (use_ext_fw) {
1663 		nvkm_info(&gr->base.engine.subdev, "using external firmware\n");
1664 		if (gf100_gr_ctor_fw(gr, "fecs_inst", &gr->fuc409c) ||
1665 		    gf100_gr_ctor_fw(gr, "fecs_data", &gr->fuc409d) ||
1666 		    gf100_gr_ctor_fw(gr, "gpccs_inst", &gr->fuc41ac) ||
1667 		    gf100_gr_ctor_fw(gr, "gpccs_data", &gr->fuc41ad))
1668 			return -ENODEV;
1669 		gr->firmware = true;
1670 	}
1671 
1672 	ret = nvkm_gpuobj_new(nv_object(gr), NULL, 0x1000, 256, 0,
1673 			      &gr->unk4188b4);
1674 	if (ret)
1675 		return ret;
1676 
1677 	ret = nvkm_gpuobj_new(nv_object(gr), NULL, 0x1000, 256, 0,
1678 			      &gr->unk4188b8);
1679 	if (ret)
1680 		return ret;
1681 
1682 	for (i = 0; i < 0x1000; i += 4) {
1683 		nv_wo32(gr->unk4188b4, i, 0x00000010);
1684 		nv_wo32(gr->unk4188b8, i, 0x00000010);
1685 	}
1686 
1687 	gr->rop_nr = (nvkm_rd32(device, 0x409604) & 0x001f0000) >> 16;
1688 	gr->gpc_nr =  nvkm_rd32(device, 0x409604) & 0x0000001f;
1689 	for (i = 0; i < gr->gpc_nr; i++) {
1690 		gr->tpc_nr[i]  = nvkm_rd32(device, GPC_UNIT(i, 0x2608));
1691 		gr->tpc_total += gr->tpc_nr[i];
1692 		gr->ppc_nr[i]  = oclass->ppc_nr;
1693 		for (j = 0; j < gr->ppc_nr[i]; j++) {
1694 			u8 mask = nvkm_rd32(device, GPC_UNIT(i, 0x0c30 + (j * 4)));
1695 			gr->ppc_tpc_nr[i][j] = hweight8(mask);
1696 		}
1697 	}
1698 
1699 	/*XXX: these need figuring out... though it might not even matter */
1700 	switch (nv_device(gr)->chipset) {
1701 	case 0xc0:
1702 		if (gr->tpc_total == 11) { /* 465, 3/4/4/0, 4 */
1703 			gr->magic_not_rop_nr = 0x07;
1704 		} else
1705 		if (gr->tpc_total == 14) { /* 470, 3/3/4/4, 5 */
1706 			gr->magic_not_rop_nr = 0x05;
1707 		} else
1708 		if (gr->tpc_total == 15) { /* 480, 3/4/4/4, 6 */
1709 			gr->magic_not_rop_nr = 0x06;
1710 		}
1711 		break;
1712 	case 0xc3: /* 450, 4/0/0/0, 2 */
1713 		gr->magic_not_rop_nr = 0x03;
1714 		break;
1715 	case 0xc4: /* 460, 3/4/0/0, 4 */
1716 		gr->magic_not_rop_nr = 0x01;
1717 		break;
1718 	case 0xc1: /* 2/0/0/0, 1 */
1719 		gr->magic_not_rop_nr = 0x01;
1720 		break;
1721 	case 0xc8: /* 4/4/3/4, 5 */
1722 		gr->magic_not_rop_nr = 0x06;
1723 		break;
1724 	case 0xce: /* 4/4/0/0, 4 */
1725 		gr->magic_not_rop_nr = 0x03;
1726 		break;
1727 	case 0xcf: /* 4/0/0/0, 3 */
1728 		gr->magic_not_rop_nr = 0x03;
1729 		break;
1730 	case 0xd7:
1731 	case 0xd9: /* 1/0/0/0, 1 */
1732 	case 0xea: /* gk20a */
1733 	case 0x12b: /* gm20b */
1734 		gr->magic_not_rop_nr = 0x01;
1735 		break;
1736 	}
1737 
1738 	nv_engine(gr)->cclass = *oclass->cclass;
1739 	nv_engine(gr)->sclass =  oclass->sclass;
1740 	return 0;
1741 }
1742 
1743 #include "fuc/hubgf100.fuc3.h"
1744 
1745 struct gf100_gr_ucode
1746 gf100_gr_fecs_ucode = {
1747 	.code.data = gf100_grhub_code,
1748 	.code.size = sizeof(gf100_grhub_code),
1749 	.data.data = gf100_grhub_data,
1750 	.data.size = sizeof(gf100_grhub_data),
1751 };
1752 
1753 #include "fuc/gpcgf100.fuc3.h"
1754 
1755 struct gf100_gr_ucode
1756 gf100_gr_gpccs_ucode = {
1757 	.code.data = gf100_grgpc_code,
1758 	.code.size = sizeof(gf100_grgpc_code),
1759 	.data.data = gf100_grgpc_data,
1760 	.data.size = sizeof(gf100_grgpc_data),
1761 };
1762 
1763 struct nvkm_oclass *
1764 gf100_gr_oclass = &(struct gf100_gr_oclass) {
1765 	.base.handle = NV_ENGINE(GR, 0xc0),
1766 	.base.ofuncs = &(struct nvkm_ofuncs) {
1767 		.ctor = gf100_gr_ctor,
1768 		.dtor = gf100_gr_dtor,
1769 		.init = gf100_gr_init,
1770 		.fini = _nvkm_gr_fini,
1771 	},
1772 	.cclass = &gf100_grctx_oclass,
1773 	.sclass =  gf100_gr_sclass,
1774 	.mmio = gf100_gr_pack_mmio,
1775 	.fecs.ucode = &gf100_gr_fecs_ucode,
1776 	.gpccs.ucode = &gf100_gr_gpccs_ucode,
1777 }.base;
1778