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/firmware.h>
30#include <core/option.h>
31#include <subdev/acr.h>
32#include <subdev/fb.h>
33#include <subdev/mc.h>
34#include <subdev/pmu.h>
35#include <subdev/therm.h>
36#include <subdev/timer.h>
37#include <engine/fifo.h>
38
39#include <nvif/class.h>
40#include <nvif/cl9097.h>
41#include <nvif/if900d.h>
42#include <nvif/unpack.h>
43
44/*******************************************************************************
45 * Zero Bandwidth Clear
46 ******************************************************************************/
47
48static void
49gf100_gr_zbc_clear_color(struct gf100_gr *gr, int zbc)
50{
51	struct nvkm_device *device = gr->base.engine.subdev.device;
52	if (gr->zbc_color[zbc].format) {
53		nvkm_wr32(device, 0x405804, gr->zbc_color[zbc].ds[0]);
54		nvkm_wr32(device, 0x405808, gr->zbc_color[zbc].ds[1]);
55		nvkm_wr32(device, 0x40580c, gr->zbc_color[zbc].ds[2]);
56		nvkm_wr32(device, 0x405810, gr->zbc_color[zbc].ds[3]);
57	}
58	nvkm_wr32(device, 0x405814, gr->zbc_color[zbc].format);
59	nvkm_wr32(device, 0x405820, zbc);
60	nvkm_wr32(device, 0x405824, 0x00000004); /* TRIGGER | WRITE | COLOR */
61}
62
63static int
64gf100_gr_zbc_color_get(struct gf100_gr *gr, int format,
65		       const u32 ds[4], const u32 l2[4])
66{
67	struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
68	int zbc = -ENOSPC, i;
69
70	for (i = ltc->zbc_color_min; i <= ltc->zbc_color_max; i++) {
71		if (gr->zbc_color[i].format) {
72			if (gr->zbc_color[i].format != format)
73				continue;
74			if (memcmp(gr->zbc_color[i].ds, ds, sizeof(
75				   gr->zbc_color[i].ds)))
76				continue;
77			if (memcmp(gr->zbc_color[i].l2, l2, sizeof(
78				   gr->zbc_color[i].l2))) {
79				WARN_ON(1);
80				return -EINVAL;
81			}
82			return i;
83		} else {
84			zbc = (zbc < 0) ? i : zbc;
85		}
86	}
87
88	if (zbc < 0)
89		return zbc;
90
91	memcpy(gr->zbc_color[zbc].ds, ds, sizeof(gr->zbc_color[zbc].ds));
92	memcpy(gr->zbc_color[zbc].l2, l2, sizeof(gr->zbc_color[zbc].l2));
93	gr->zbc_color[zbc].format = format;
94	nvkm_ltc_zbc_color_get(ltc, zbc, l2);
95	gr->func->zbc->clear_color(gr, zbc);
96	return zbc;
97}
98
99static void
100gf100_gr_zbc_clear_depth(struct gf100_gr *gr, int zbc)
101{
102	struct nvkm_device *device = gr->base.engine.subdev.device;
103	if (gr->zbc_depth[zbc].format)
104		nvkm_wr32(device, 0x405818, gr->zbc_depth[zbc].ds);
105	nvkm_wr32(device, 0x40581c, gr->zbc_depth[zbc].format);
106	nvkm_wr32(device, 0x405820, zbc);
107	nvkm_wr32(device, 0x405824, 0x00000005); /* TRIGGER | WRITE | DEPTH */
108}
109
110static int
111gf100_gr_zbc_depth_get(struct gf100_gr *gr, int format,
112		       const u32 ds, const u32 l2)
113{
114	struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
115	int zbc = -ENOSPC, i;
116
117	for (i = ltc->zbc_depth_min; i <= ltc->zbc_depth_max; i++) {
118		if (gr->zbc_depth[i].format) {
119			if (gr->zbc_depth[i].format != format)
120				continue;
121			if (gr->zbc_depth[i].ds != ds)
122				continue;
123			if (gr->zbc_depth[i].l2 != l2) {
124				WARN_ON(1);
125				return -EINVAL;
126			}
127			return i;
128		} else {
129			zbc = (zbc < 0) ? i : zbc;
130		}
131	}
132
133	if (zbc < 0)
134		return zbc;
135
136	gr->zbc_depth[zbc].format = format;
137	gr->zbc_depth[zbc].ds = ds;
138	gr->zbc_depth[zbc].l2 = l2;
139	nvkm_ltc_zbc_depth_get(ltc, zbc, l2);
140	gr->func->zbc->clear_depth(gr, zbc);
141	return zbc;
142}
143
144const struct gf100_gr_func_zbc
145gf100_gr_zbc = {
146	.clear_color = gf100_gr_zbc_clear_color,
147	.clear_depth = gf100_gr_zbc_clear_depth,
148};
149
150/*******************************************************************************
151 * Graphics object classes
152 ******************************************************************************/
153#define gf100_gr_object(p) container_of((p), struct gf100_gr_object, object)
154
155struct gf100_gr_object {
156	struct nvkm_object object;
157	struct gf100_gr_chan *chan;
158};
159
160static int
161gf100_fermi_mthd_zbc_color(struct nvkm_object *object, void *data, u32 size)
162{
163	struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine));
164	union {
165		struct fermi_a_zbc_color_v0 v0;
166	} *args = data;
167	int ret = -ENOSYS;
168
169	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
170		switch (args->v0.format) {
171		case FERMI_A_ZBC_COLOR_V0_FMT_ZERO:
172		case FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE:
173		case FERMI_A_ZBC_COLOR_V0_FMT_RF32_GF32_BF32_AF32:
174		case FERMI_A_ZBC_COLOR_V0_FMT_R16_G16_B16_A16:
175		case FERMI_A_ZBC_COLOR_V0_FMT_RN16_GN16_BN16_AN16:
176		case FERMI_A_ZBC_COLOR_V0_FMT_RS16_GS16_BS16_AS16:
177		case FERMI_A_ZBC_COLOR_V0_FMT_RU16_GU16_BU16_AU16:
178		case FERMI_A_ZBC_COLOR_V0_FMT_RF16_GF16_BF16_AF16:
179		case FERMI_A_ZBC_COLOR_V0_FMT_A8R8G8B8:
180		case FERMI_A_ZBC_COLOR_V0_FMT_A8RL8GL8BL8:
181		case FERMI_A_ZBC_COLOR_V0_FMT_A2B10G10R10:
182		case FERMI_A_ZBC_COLOR_V0_FMT_AU2BU10GU10RU10:
183		case FERMI_A_ZBC_COLOR_V0_FMT_A8B8G8R8:
184		case FERMI_A_ZBC_COLOR_V0_FMT_A8BL8GL8RL8:
185		case FERMI_A_ZBC_COLOR_V0_FMT_AN8BN8GN8RN8:
186		case FERMI_A_ZBC_COLOR_V0_FMT_AS8BS8GS8RS8:
187		case FERMI_A_ZBC_COLOR_V0_FMT_AU8BU8GU8RU8:
188		case FERMI_A_ZBC_COLOR_V0_FMT_A2R10G10B10:
189		case FERMI_A_ZBC_COLOR_V0_FMT_BF10GF11RF11:
190			ret = gf100_gr_zbc_color_get(gr, args->v0.format,
191							   args->v0.ds,
192							   args->v0.l2);
193			if (ret >= 0) {
194				args->v0.index = ret;
195				return 0;
196			}
197			break;
198		default:
199			return -EINVAL;
200		}
201	}
202
203	return ret;
204}
205
206static int
207gf100_fermi_mthd_zbc_depth(struct nvkm_object *object, void *data, u32 size)
208{
209	struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine));
210	union {
211		struct fermi_a_zbc_depth_v0 v0;
212	} *args = data;
213	int ret = -ENOSYS;
214
215	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
216		switch (args->v0.format) {
217		case FERMI_A_ZBC_DEPTH_V0_FMT_FP32:
218			ret = gf100_gr_zbc_depth_get(gr, args->v0.format,
219							   args->v0.ds,
220							   args->v0.l2);
221			return (ret >= 0) ? 0 : -ENOSPC;
222		default:
223			return -EINVAL;
224		}
225	}
226
227	return ret;
228}
229
230static int
231gf100_fermi_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
232{
233	nvif_ioctl(object, "fermi mthd %08x\n", mthd);
234	switch (mthd) {
235	case FERMI_A_ZBC_COLOR:
236		return gf100_fermi_mthd_zbc_color(object, data, size);
237	case FERMI_A_ZBC_DEPTH:
238		return gf100_fermi_mthd_zbc_depth(object, data, size);
239	default:
240		break;
241	}
242	return -EINVAL;
243}
244
245const struct nvkm_object_func
246gf100_fermi = {
247	.mthd = gf100_fermi_mthd,
248};
249
250static void
251gf100_gr_mthd_set_shader_exceptions(struct nvkm_device *device, u32 data)
252{
253	nvkm_wr32(device, 0x419e44, data ? 0xffffffff : 0x00000000);
254	nvkm_wr32(device, 0x419e4c, data ? 0xffffffff : 0x00000000);
255}
256
257static bool
258gf100_gr_mthd_sw(struct nvkm_device *device, u16 class, u32 mthd, u32 data)
259{
260	switch (class & 0x00ff) {
261	case 0x97:
262	case 0xc0:
263		switch (mthd) {
264		case 0x1528:
265			gf100_gr_mthd_set_shader_exceptions(device, data);
266			return true;
267		default:
268			break;
269		}
270		break;
271	default:
272		break;
273	}
274	return false;
275}
276
277static const struct nvkm_object_func
278gf100_gr_object_func = {
279};
280
281static int
282gf100_gr_object_new(const struct nvkm_oclass *oclass, void *data, u32 size,
283		    struct nvkm_object **pobject)
284{
285	struct gf100_gr_chan *chan = gf100_gr_chan(oclass->parent);
286	struct gf100_gr_object *object;
287
288	if (!(object = kzalloc(sizeof(*object), GFP_KERNEL)))
289		return -ENOMEM;
290	*pobject = &object->object;
291
292	nvkm_object_ctor(oclass->base.func ? oclass->base.func :
293			 &gf100_gr_object_func, oclass, &object->object);
294	object->chan = chan;
295	return 0;
296}
297
298static int
299gf100_gr_object_get(struct nvkm_gr *base, int index, struct nvkm_sclass *sclass)
300{
301	struct gf100_gr *gr = gf100_gr(base);
302	int c = 0;
303
304	while (gr->func->sclass[c].oclass) {
305		if (c++ == index) {
306			*sclass = gr->func->sclass[index];
307			sclass->ctor = gf100_gr_object_new;
308			return index;
309		}
310	}
311
312	return c;
313}
314
315/*******************************************************************************
316 * PGRAPH context
317 ******************************************************************************/
318
319static int
320gf100_gr_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
321		   int align, struct nvkm_gpuobj **pgpuobj)
322{
323	struct gf100_gr_chan *chan = gf100_gr_chan(object);
324	struct gf100_gr *gr = chan->gr;
325	int ret, i;
326
327	ret = nvkm_gpuobj_new(gr->base.engine.subdev.device, gr->size,
328			      align, false, parent, pgpuobj);
329	if (ret)
330		return ret;
331
332	nvkm_kmap(*pgpuobj);
333	for (i = 0; i < gr->size; i += 4)
334		nvkm_wo32(*pgpuobj, i, gr->data[i / 4]);
335
336	if (!gr->firmware) {
337		nvkm_wo32(*pgpuobj, 0x00, chan->mmio_nr / 2);
338		nvkm_wo32(*pgpuobj, 0x04, chan->mmio_vma->addr >> 8);
339	} else {
340		nvkm_wo32(*pgpuobj, 0xf4, 0);
341		nvkm_wo32(*pgpuobj, 0xf8, 0);
342		nvkm_wo32(*pgpuobj, 0x10, chan->mmio_nr / 2);
343		nvkm_wo32(*pgpuobj, 0x14, lower_32_bits(chan->mmio_vma->addr));
344		nvkm_wo32(*pgpuobj, 0x18, upper_32_bits(chan->mmio_vma->addr));
345		nvkm_wo32(*pgpuobj, 0x1c, 1);
346		nvkm_wo32(*pgpuobj, 0x20, 0);
347		nvkm_wo32(*pgpuobj, 0x28, 0);
348		nvkm_wo32(*pgpuobj, 0x2c, 0);
349	}
350	nvkm_done(*pgpuobj);
351	return 0;
352}
353
354static void *
355gf100_gr_chan_dtor(struct nvkm_object *object)
356{
357	struct gf100_gr_chan *chan = gf100_gr_chan(object);
358
359	nvkm_vmm_put(chan->vmm, &chan->mmio_vma);
360	nvkm_memory_unref(&chan->mmio);
361
362	nvkm_vmm_put(chan->vmm, &chan->attrib_cb);
363	nvkm_vmm_put(chan->vmm, &chan->unknown);
364	nvkm_vmm_put(chan->vmm, &chan->bundle_cb);
365	nvkm_vmm_put(chan->vmm, &chan->pagepool);
366	nvkm_vmm_unref(&chan->vmm);
367	return chan;
368}
369
370static const struct nvkm_object_func
371gf100_gr_chan = {
372	.dtor = gf100_gr_chan_dtor,
373	.bind = gf100_gr_chan_bind,
374};
375
376static int
377gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
378		  const struct nvkm_oclass *oclass,
379		  struct nvkm_object **pobject)
380{
381	struct gf100_gr *gr = gf100_gr(base);
382	struct gf100_gr_chan *chan;
383	struct gf100_vmm_map_v0 args = { .priv = 1 };
384	struct nvkm_device *device = gr->base.engine.subdev.device;
385	int ret;
386
387	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
388		return -ENOMEM;
389	nvkm_object_ctor(&gf100_gr_chan, oclass, &chan->object);
390	chan->gr = gr;
391	chan->vmm = nvkm_vmm_ref(fifoch->vmm);
392	*pobject = &chan->object;
393
394	/* Map pagepool. */
395	ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->pagepool), &chan->pagepool);
396	if (ret)
397		return ret;
398
399	ret = nvkm_memory_map(gr->pagepool, 0, chan->vmm, chan->pagepool, &args, sizeof(args));
400	if (ret)
401		return ret;
402
403	/* Map bundle circular buffer. */
404	ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->bundle_cb), &chan->bundle_cb);
405	if (ret)
406		return ret;
407
408	ret = nvkm_memory_map(gr->bundle_cb, 0, chan->vmm, chan->bundle_cb, &args, sizeof(args));
409	if (ret)
410		return ret;
411
412	/* Map attribute circular buffer. */
413	ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->attrib_cb), &chan->attrib_cb);
414	if (ret)
415		return ret;
416
417	if (device->card_type < GP100) {
418		ret = nvkm_memory_map(gr->attrib_cb, 0, chan->vmm, chan->attrib_cb, NULL, 0);
419		if (ret)
420			return ret;
421	} else {
422		ret = nvkm_memory_map(gr->attrib_cb, 0, chan->vmm, chan->attrib_cb,
423				      &args, sizeof(args));
424		if (ret)
425			return ret;
426	}
427
428	/* Map some context buffer of unknown purpose. */
429	if (gr->func->grctx->unknown_size) {
430		ret = nvkm_vmm_get(chan->vmm, 12, nvkm_memory_size(gr->unknown), &chan->unknown);
431		if (ret)
432			return ret;
433
434		ret = nvkm_memory_map(gr->unknown, 0, chan->vmm, chan->unknown,
435				      &args, sizeof(args));
436		if (ret)
437			return ret;
438	}
439
440	/* Generate golden context image. */
441	mutex_lock(&gr->fecs.mutex);
442	if (gr->data == NULL) {
443		ret = gf100_grctx_generate(gr, chan, fifoch->inst);
444		if (ret) {
445			nvkm_error(&base->engine.subdev, "failed to construct context\n");
446			return ret;
447		}
448	}
449	mutex_unlock(&gr->fecs.mutex);
450
451	/* allocate memory for a "mmio list" buffer that's used by the HUB
452	 * fuc to modify some per-context register settings on first load
453	 * of the context.
454	 */
455	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x100,
456			      false, &chan->mmio);
457	if (ret)
458		return ret;
459
460	ret = nvkm_vmm_get(fifoch->vmm, 12, 0x1000, &chan->mmio_vma);
461	if (ret)
462		return ret;
463
464	ret = nvkm_memory_map(chan->mmio, 0, fifoch->vmm,
465			      chan->mmio_vma, &args, sizeof(args));
466	if (ret)
467		return ret;
468
469	/* finally, fill in the mmio list and point the context at it */
470	nvkm_kmap(chan->mmio);
471	gr->func->grctx->pagepool(chan, chan->pagepool->addr);
472	gr->func->grctx->bundle(chan, chan->bundle_cb->addr, gr->func->grctx->bundle_size);
473	gr->func->grctx->attrib_cb(chan, chan->attrib_cb->addr, gr->func->grctx->attrib_cb_size(gr));
474	gr->func->grctx->attrib(chan);
475	if (gr->func->grctx->patch_ltc)
476		gr->func->grctx->patch_ltc(chan);
477	if (gr->func->grctx->unknown_size)
478		gr->func->grctx->unknown(chan, chan->unknown->addr, gr->func->grctx->unknown_size);
479	nvkm_done(chan->mmio);
480	return 0;
481}
482
483/*******************************************************************************
484 * PGRAPH register lists
485 ******************************************************************************/
486
487const struct gf100_gr_init
488gf100_gr_init_main_0[] = {
489	{ 0x400080,   1, 0x04, 0x003083c2 },
490	{ 0x400088,   1, 0x04, 0x00006fe7 },
491	{ 0x40008c,   1, 0x04, 0x00000000 },
492	{ 0x400090,   1, 0x04, 0x00000030 },
493	{ 0x40013c,   1, 0x04, 0x013901f7 },
494	{ 0x400140,   1, 0x04, 0x00000100 },
495	{ 0x400144,   1, 0x04, 0x00000000 },
496	{ 0x400148,   1, 0x04, 0x00000110 },
497	{ 0x400138,   1, 0x04, 0x00000000 },
498	{ 0x400130,   2, 0x04, 0x00000000 },
499	{ 0x400124,   1, 0x04, 0x00000002 },
500	{}
501};
502
503const struct gf100_gr_init
504gf100_gr_init_fe_0[] = {
505	{ 0x40415c,   1, 0x04, 0x00000000 },
506	{ 0x404170,   1, 0x04, 0x00000000 },
507	{}
508};
509
510const struct gf100_gr_init
511gf100_gr_init_pri_0[] = {
512	{ 0x404488,   2, 0x04, 0x00000000 },
513	{}
514};
515
516const struct gf100_gr_init
517gf100_gr_init_rstr2d_0[] = {
518	{ 0x407808,   1, 0x04, 0x00000000 },
519	{}
520};
521
522const struct gf100_gr_init
523gf100_gr_init_pd_0[] = {
524	{ 0x406024,   1, 0x04, 0x00000000 },
525	{}
526};
527
528const struct gf100_gr_init
529gf100_gr_init_ds_0[] = {
530	{ 0x405844,   1, 0x04, 0x00ffffff },
531	{ 0x405850,   1, 0x04, 0x00000000 },
532	{ 0x405908,   1, 0x04, 0x00000000 },
533	{}
534};
535
536const struct gf100_gr_init
537gf100_gr_init_scc_0[] = {
538	{ 0x40803c,   1, 0x04, 0x00000000 },
539	{}
540};
541
542const struct gf100_gr_init
543gf100_gr_init_prop_0[] = {
544	{ 0x4184a0,   1, 0x04, 0x00000000 },
545	{}
546};
547
548const struct gf100_gr_init
549gf100_gr_init_gpc_unk_0[] = {
550	{ 0x418604,   1, 0x04, 0x00000000 },
551	{ 0x418680,   1, 0x04, 0x00000000 },
552	{ 0x418714,   1, 0x04, 0x80000000 },
553	{ 0x418384,   1, 0x04, 0x00000000 },
554	{}
555};
556
557const struct gf100_gr_init
558gf100_gr_init_setup_0[] = {
559	{ 0x418814,   3, 0x04, 0x00000000 },
560	{}
561};
562
563const struct gf100_gr_init
564gf100_gr_init_crstr_0[] = {
565	{ 0x418b04,   1, 0x04, 0x00000000 },
566	{}
567};
568
569const struct gf100_gr_init
570gf100_gr_init_setup_1[] = {
571	{ 0x4188c8,   1, 0x04, 0x80000000 },
572	{ 0x4188cc,   1, 0x04, 0x00000000 },
573	{ 0x4188d0,   1, 0x04, 0x00010000 },
574	{ 0x4188d4,   1, 0x04, 0x00000001 },
575	{}
576};
577
578const struct gf100_gr_init
579gf100_gr_init_zcull_0[] = {
580	{ 0x418910,   1, 0x04, 0x00010001 },
581	{ 0x418914,   1, 0x04, 0x00000301 },
582	{ 0x418918,   1, 0x04, 0x00800000 },
583	{ 0x418980,   1, 0x04, 0x77777770 },
584	{ 0x418984,   3, 0x04, 0x77777777 },
585	{}
586};
587
588const struct gf100_gr_init
589gf100_gr_init_gpm_0[] = {
590	{ 0x418c04,   1, 0x04, 0x00000000 },
591	{ 0x418c88,   1, 0x04, 0x00000000 },
592	{}
593};
594
595const struct gf100_gr_init
596gf100_gr_init_gpc_unk_1[] = {
597	{ 0x418d00,   1, 0x04, 0x00000000 },
598	{ 0x418f08,   1, 0x04, 0x00000000 },
599	{ 0x418e00,   1, 0x04, 0x00000050 },
600	{ 0x418e08,   1, 0x04, 0x00000000 },
601	{}
602};
603
604const struct gf100_gr_init
605gf100_gr_init_gcc_0[] = {
606	{ 0x41900c,   1, 0x04, 0x00000000 },
607	{ 0x419018,   1, 0x04, 0x00000000 },
608	{}
609};
610
611const struct gf100_gr_init
612gf100_gr_init_tpccs_0[] = {
613	{ 0x419d08,   2, 0x04, 0x00000000 },
614	{ 0x419d10,   1, 0x04, 0x00000014 },
615	{}
616};
617
618const struct gf100_gr_init
619gf100_gr_init_tex_0[] = {
620	{ 0x419ab0,   1, 0x04, 0x00000000 },
621	{ 0x419ab8,   1, 0x04, 0x000000e7 },
622	{ 0x419abc,   2, 0x04, 0x00000000 },
623	{}
624};
625
626const struct gf100_gr_init
627gf100_gr_init_pe_0[] = {
628	{ 0x41980c,   3, 0x04, 0x00000000 },
629	{ 0x419844,   1, 0x04, 0x00000000 },
630	{ 0x41984c,   1, 0x04, 0x00005bc5 },
631	{ 0x419850,   4, 0x04, 0x00000000 },
632	{}
633};
634
635const struct gf100_gr_init
636gf100_gr_init_l1c_0[] = {
637	{ 0x419c98,   1, 0x04, 0x00000000 },
638	{ 0x419ca8,   1, 0x04, 0x80000000 },
639	{ 0x419cb4,   1, 0x04, 0x00000000 },
640	{ 0x419cb8,   1, 0x04, 0x00008bf4 },
641	{ 0x419cbc,   1, 0x04, 0x28137606 },
642	{ 0x419cc0,   2, 0x04, 0x00000000 },
643	{}
644};
645
646const struct gf100_gr_init
647gf100_gr_init_wwdx_0[] = {
648	{ 0x419bd4,   1, 0x04, 0x00800000 },
649	{ 0x419bdc,   1, 0x04, 0x00000000 },
650	{}
651};
652
653const struct gf100_gr_init
654gf100_gr_init_tpccs_1[] = {
655	{ 0x419d2c,   1, 0x04, 0x00000000 },
656	{}
657};
658
659const struct gf100_gr_init
660gf100_gr_init_mpc_0[] = {
661	{ 0x419c0c,   1, 0x04, 0x00000000 },
662	{}
663};
664
665static const struct gf100_gr_init
666gf100_gr_init_sm_0[] = {
667	{ 0x419e00,   1, 0x04, 0x00000000 },
668	{ 0x419ea0,   1, 0x04, 0x00000000 },
669	{ 0x419ea4,   1, 0x04, 0x00000100 },
670	{ 0x419ea8,   1, 0x04, 0x00001100 },
671	{ 0x419eac,   1, 0x04, 0x11100702 },
672	{ 0x419eb0,   1, 0x04, 0x00000003 },
673	{ 0x419eb4,   4, 0x04, 0x00000000 },
674	{ 0x419ec8,   1, 0x04, 0x06060618 },
675	{ 0x419ed0,   1, 0x04, 0x0eff0e38 },
676	{ 0x419ed4,   1, 0x04, 0x011104f1 },
677	{ 0x419edc,   1, 0x04, 0x00000000 },
678	{ 0x419f00,   1, 0x04, 0x00000000 },
679	{ 0x419f2c,   1, 0x04, 0x00000000 },
680	{}
681};
682
683const struct gf100_gr_init
684gf100_gr_init_be_0[] = {
685	{ 0x40880c,   1, 0x04, 0x00000000 },
686	{ 0x408910,   9, 0x04, 0x00000000 },
687	{ 0x408950,   1, 0x04, 0x00000000 },
688	{ 0x408954,   1, 0x04, 0x0000ffff },
689	{ 0x408984,   1, 0x04, 0x00000000 },
690	{ 0x408988,   1, 0x04, 0x08040201 },
691	{ 0x40898c,   1, 0x04, 0x80402010 },
692	{}
693};
694
695const struct gf100_gr_init
696gf100_gr_init_fe_1[] = {
697	{ 0x4040f0,   1, 0x04, 0x00000000 },
698	{}
699};
700
701const struct gf100_gr_init
702gf100_gr_init_pe_1[] = {
703	{ 0x419880,   1, 0x04, 0x00000002 },
704	{}
705};
706
707static const struct gf100_gr_pack
708gf100_gr_pack_mmio[] = {
709	{ gf100_gr_init_main_0 },
710	{ gf100_gr_init_fe_0 },
711	{ gf100_gr_init_pri_0 },
712	{ gf100_gr_init_rstr2d_0 },
713	{ gf100_gr_init_pd_0 },
714	{ gf100_gr_init_ds_0 },
715	{ gf100_gr_init_scc_0 },
716	{ gf100_gr_init_prop_0 },
717	{ gf100_gr_init_gpc_unk_0 },
718	{ gf100_gr_init_setup_0 },
719	{ gf100_gr_init_crstr_0 },
720	{ gf100_gr_init_setup_1 },
721	{ gf100_gr_init_zcull_0 },
722	{ gf100_gr_init_gpm_0 },
723	{ gf100_gr_init_gpc_unk_1 },
724	{ gf100_gr_init_gcc_0 },
725	{ gf100_gr_init_tpccs_0 },
726	{ gf100_gr_init_tex_0 },
727	{ gf100_gr_init_pe_0 },
728	{ gf100_gr_init_l1c_0 },
729	{ gf100_gr_init_wwdx_0 },
730	{ gf100_gr_init_tpccs_1 },
731	{ gf100_gr_init_mpc_0 },
732	{ gf100_gr_init_sm_0 },
733	{ gf100_gr_init_be_0 },
734	{ gf100_gr_init_fe_1 },
735	{ gf100_gr_init_pe_1 },
736	{}
737};
738
739/*******************************************************************************
740 * PGRAPH engine/subdev functions
741 ******************************************************************************/
742
743static u32
744gf100_gr_ctxsw_inst(struct nvkm_gr *gr)
745{
746	return nvkm_rd32(gr->engine.subdev.device, 0x409b00);
747}
748
749static int
750gf100_gr_fecs_ctrl_ctxsw(struct gf100_gr *gr, u32 mthd)
751{
752	struct nvkm_device *device = gr->base.engine.subdev.device;
753
754	nvkm_wr32(device, 0x409804, 0xffffffff);
755	nvkm_wr32(device, 0x409800, 0x00000000);
756	nvkm_wr32(device, 0x409500, 0xffffffff);
757	nvkm_wr32(device, 0x409504, mthd);
758	nvkm_msec(device, 2000,
759		u32 stat = nvkm_rd32(device, 0x409804);
760		if (stat == 0x00000002)
761			return -EIO;
762		if (stat == 0x00000001)
763			return 0;
764	);
765
766	return -ETIMEDOUT;
767}
768
769static int
770gf100_gr_fecs_start_ctxsw(struct nvkm_gr *base)
771{
772	struct gf100_gr *gr = gf100_gr(base);
773	int ret = 0;
774
775	mutex_lock(&gr->fecs.mutex);
776	if (!--gr->fecs.disable) {
777		if (WARN_ON(ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x39)))
778			gr->fecs.disable++;
779	}
780	mutex_unlock(&gr->fecs.mutex);
781	return ret;
782}
783
784static int
785gf100_gr_fecs_stop_ctxsw(struct nvkm_gr *base)
786{
787	struct gf100_gr *gr = gf100_gr(base);
788	int ret = 0;
789
790	mutex_lock(&gr->fecs.mutex);
791	if (!gr->fecs.disable++) {
792		if (WARN_ON(ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x38)))
793			gr->fecs.disable--;
794	}
795	mutex_unlock(&gr->fecs.mutex);
796	return ret;
797}
798
799static int
800gf100_gr_fecs_halt_pipeline(struct gf100_gr *gr)
801{
802	int ret = 0;
803
804	if (gr->firmware) {
805		mutex_lock(&gr->fecs.mutex);
806		ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x04);
807		mutex_unlock(&gr->fecs.mutex);
808	}
809
810	return ret;
811}
812
813int
814gf100_gr_fecs_wfi_golden_save(struct gf100_gr *gr, u32 inst)
815{
816	struct nvkm_device *device = gr->base.engine.subdev.device;
817
818	nvkm_mask(device, 0x409800, 0x00000003, 0x00000000);
819	nvkm_wr32(device, 0x409500, inst);
820	nvkm_wr32(device, 0x409504, 0x00000009);
821	nvkm_msec(device, 2000,
822		u32 stat = nvkm_rd32(device, 0x409800);
823		if (stat & 0x00000002)
824			return -EIO;
825		if (stat & 0x00000001)
826			return 0;
827	);
828
829	return -ETIMEDOUT;
830}
831
832int
833gf100_gr_fecs_bind_pointer(struct gf100_gr *gr, u32 inst)
834{
835	struct nvkm_device *device = gr->base.engine.subdev.device;
836
837	nvkm_mask(device, 0x409800, 0x00000030, 0x00000000);
838	nvkm_wr32(device, 0x409500, inst);
839	nvkm_wr32(device, 0x409504, 0x00000003);
840	nvkm_msec(device, 2000,
841		u32 stat = nvkm_rd32(device, 0x409800);
842		if (stat & 0x00000020)
843			return -EIO;
844		if (stat & 0x00000010)
845			return 0;
846	);
847
848	return -ETIMEDOUT;
849}
850
851static int
852gf100_gr_fecs_set_reglist_virtual_address(struct gf100_gr *gr, u64 addr)
853{
854	struct nvkm_device *device = gr->base.engine.subdev.device;
855
856	nvkm_wr32(device, 0x409810, addr >> 8);
857	nvkm_wr32(device, 0x409800, 0x00000000);
858	nvkm_wr32(device, 0x409500, 0x00000001);
859	nvkm_wr32(device, 0x409504, 0x00000032);
860	nvkm_msec(device, 2000,
861		if (nvkm_rd32(device, 0x409800) == 0x00000001)
862			return 0;
863	);
864
865	return -ETIMEDOUT;
866}
867
868static int
869gf100_gr_fecs_set_reglist_bind_instance(struct gf100_gr *gr, u32 inst)
870{
871	struct nvkm_device *device = gr->base.engine.subdev.device;
872
873	nvkm_wr32(device, 0x409810, inst);
874	nvkm_wr32(device, 0x409800, 0x00000000);
875	nvkm_wr32(device, 0x409500, 0x00000001);
876	nvkm_wr32(device, 0x409504, 0x00000031);
877	nvkm_msec(device, 2000,
878		if (nvkm_rd32(device, 0x409800) == 0x00000001)
879			return 0;
880	);
881
882	return -ETIMEDOUT;
883}
884
885static int
886gf100_gr_fecs_discover_reglist_image_size(struct gf100_gr *gr, u32 *psize)
887{
888	struct nvkm_device *device = gr->base.engine.subdev.device;
889
890	nvkm_wr32(device, 0x409800, 0x00000000);
891	nvkm_wr32(device, 0x409500, 0x00000001);
892	nvkm_wr32(device, 0x409504, 0x00000030);
893	nvkm_msec(device, 2000,
894		if ((*psize = nvkm_rd32(device, 0x409800)))
895			return 0;
896	);
897
898	return -ETIMEDOUT;
899}
900
901static int
902gf100_gr_fecs_elpg_bind(struct gf100_gr *gr)
903{
904	u32 size;
905	int ret;
906
907	ret = gf100_gr_fecs_discover_reglist_image_size(gr, &size);
908	if (ret)
909		return ret;
910
911	/*XXX: We need to allocate + map the above into PMU's inst block,
912	 *     which which means we probably need a proper PMU before we
913	 *     even bother.
914	 */
915
916	ret = gf100_gr_fecs_set_reglist_bind_instance(gr, 0);
917	if (ret)
918		return ret;
919
920	return gf100_gr_fecs_set_reglist_virtual_address(gr, 0);
921}
922
923static int
924gf100_gr_fecs_discover_pm_image_size(struct gf100_gr *gr, u32 *psize)
925{
926	struct nvkm_device *device = gr->base.engine.subdev.device;
927
928	nvkm_wr32(device, 0x409800, 0x00000000);
929	nvkm_wr32(device, 0x409500, 0x00000000);
930	nvkm_wr32(device, 0x409504, 0x00000025);
931	nvkm_msec(device, 2000,
932		if ((*psize = nvkm_rd32(device, 0x409800)))
933			return 0;
934	);
935
936	return -ETIMEDOUT;
937}
938
939static int
940gf100_gr_fecs_discover_zcull_image_size(struct gf100_gr *gr, u32 *psize)
941{
942	struct nvkm_device *device = gr->base.engine.subdev.device;
943
944	nvkm_wr32(device, 0x409800, 0x00000000);
945	nvkm_wr32(device, 0x409500, 0x00000000);
946	nvkm_wr32(device, 0x409504, 0x00000016);
947	nvkm_msec(device, 2000,
948		if ((*psize = nvkm_rd32(device, 0x409800)))
949			return 0;
950	);
951
952	return -ETIMEDOUT;
953}
954
955static int
956gf100_gr_fecs_discover_image_size(struct gf100_gr *gr, u32 *psize)
957{
958	struct nvkm_device *device = gr->base.engine.subdev.device;
959
960	nvkm_wr32(device, 0x409800, 0x00000000);
961	nvkm_wr32(device, 0x409500, 0x00000000);
962	nvkm_wr32(device, 0x409504, 0x00000010);
963	nvkm_msec(device, 2000,
964		if ((*psize = nvkm_rd32(device, 0x409800)))
965			return 0;
966	);
967
968	return -ETIMEDOUT;
969}
970
971static void
972gf100_gr_fecs_set_watchdog_timeout(struct gf100_gr *gr, u32 timeout)
973{
974	struct nvkm_device *device = gr->base.engine.subdev.device;
975
976	nvkm_wr32(device, 0x409800, 0x00000000);
977	nvkm_wr32(device, 0x409500, timeout);
978	nvkm_wr32(device, 0x409504, 0x00000021);
979}
980
981static bool
982gf100_gr_chsw_load(struct nvkm_gr *base)
983{
984	struct gf100_gr *gr = gf100_gr(base);
985	if (!gr->firmware) {
986		u32 trace = nvkm_rd32(gr->base.engine.subdev.device, 0x40981c);
987		if (trace & 0x00000040)
988			return true;
989	} else {
990		u32 mthd = nvkm_rd32(gr->base.engine.subdev.device, 0x409808);
991		if (mthd & 0x00080000)
992			return true;
993	}
994	return false;
995}
996
997int
998gf100_gr_rops(struct gf100_gr *gr)
999{
1000	struct nvkm_device *device = gr->base.engine.subdev.device;
1001	return (nvkm_rd32(device, 0x409604) & 0x001f0000) >> 16;
1002}
1003
1004void
1005gf100_gr_zbc_init(struct gf100_gr *gr)
1006{
1007	const u32  zero[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
1008			      0x00000000, 0x00000000, 0x00000000, 0x00000000 };
1009	const u32   one[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
1010			      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
1011	const u32 f32_0[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
1012			      0x00000000, 0x00000000, 0x00000000, 0x00000000 };
1013	const u32 f32_1[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
1014			      0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000 };
1015	struct nvkm_ltc *ltc = gr->base.engine.subdev.device->ltc;
1016	int index, c = ltc->zbc_color_min, d = ltc->zbc_depth_min, s = ltc->zbc_depth_min;
1017
1018	if (!gr->zbc_color[0].format) {
1019		gf100_gr_zbc_color_get(gr, 1,  & zero[0],   &zero[4]); c++;
1020		gf100_gr_zbc_color_get(gr, 2,  &  one[0],    &one[4]); c++;
1021		gf100_gr_zbc_color_get(gr, 4,  &f32_0[0],  &f32_0[4]); c++;
1022		gf100_gr_zbc_color_get(gr, 4,  &f32_1[0],  &f32_1[4]); c++;
1023		gf100_gr_zbc_depth_get(gr, 1, 0x00000000, 0x00000000); d++;
1024		gf100_gr_zbc_depth_get(gr, 1, 0x3f800000, 0x3f800000); d++;
1025		if (gr->func->zbc->stencil_get) {
1026			gr->func->zbc->stencil_get(gr, 1, 0x00, 0x00); s++;
1027			gr->func->zbc->stencil_get(gr, 1, 0x01, 0x01); s++;
1028			gr->func->zbc->stencil_get(gr, 1, 0xff, 0xff); s++;
1029		}
1030	}
1031
1032	for (index = c; index <= ltc->zbc_color_max; index++)
1033		gr->func->zbc->clear_color(gr, index);
1034	for (index = d; index <= ltc->zbc_depth_max; index++)
1035		gr->func->zbc->clear_depth(gr, index);
1036
1037	if (gr->func->zbc->clear_stencil) {
1038		for (index = s; index <= ltc->zbc_depth_max; index++)
1039			gr->func->zbc->clear_stencil(gr, index);
1040	}
1041}
1042
1043/*
1044 * Wait until GR goes idle. GR is considered idle if it is disabled by the
1045 * MC (0x200) register, or GR is not busy and a context switch is not in
1046 * progress.
1047 */
1048int
1049gf100_gr_wait_idle(struct gf100_gr *gr)
1050{
1051	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1052	struct nvkm_device *device = subdev->device;
1053	unsigned long end_jiffies = jiffies + msecs_to_jiffies(2000);
1054	bool gr_enabled, ctxsw_active, gr_busy;
1055
1056	do {
1057		/*
1058		 * required to make sure FIFO_ENGINE_STATUS (0x2640) is
1059		 * up-to-date
1060		 */
1061		nvkm_rd32(device, 0x400700);
1062
1063		gr_enabled = nvkm_rd32(device, 0x200) & 0x1000;
1064		ctxsw_active = nvkm_fifo_ctxsw_in_progress(&gr->base.engine);
1065		gr_busy = nvkm_rd32(device, 0x40060c) & 0x1;
1066
1067		if (!gr_enabled || (!gr_busy && !ctxsw_active))
1068			return 0;
1069	} while (time_before(jiffies, end_jiffies));
1070
1071	nvkm_error(subdev,
1072		   "wait for idle timeout (en: %d, ctxsw: %d, busy: %d)\n",
1073		   gr_enabled, ctxsw_active, gr_busy);
1074	return -EAGAIN;
1075}
1076
1077void
1078gf100_gr_mmio(struct gf100_gr *gr, const struct gf100_gr_pack *p)
1079{
1080	struct nvkm_device *device = gr->base.engine.subdev.device;
1081	const struct gf100_gr_pack *pack;
1082	const struct gf100_gr_init *init;
1083
1084	pack_for_each_init(init, pack, p) {
1085		u32 next = init->addr + init->count * init->pitch;
1086		u32 addr = init->addr;
1087		while (addr < next) {
1088			nvkm_wr32(device, addr, init->data);
1089			addr += init->pitch;
1090		}
1091	}
1092}
1093
1094void
1095gf100_gr_icmd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
1096{
1097	struct nvkm_device *device = gr->base.engine.subdev.device;
1098	const struct gf100_gr_pack *pack;
1099	const struct gf100_gr_init *init;
1100	u64 data = 0;
1101
1102	nvkm_wr32(device, 0x400208, 0x80000000);
1103
1104	pack_for_each_init(init, pack, p) {
1105		u32 next = init->addr + init->count * init->pitch;
1106		u32 addr = init->addr;
1107
1108		if ((pack == p && init == p->init) || data != init->data) {
1109			nvkm_wr32(device, 0x400204, init->data);
1110			if (pack->type == 64)
1111				nvkm_wr32(device, 0x40020c, upper_32_bits(init->data));
1112			data = init->data;
1113		}
1114
1115		while (addr < next) {
1116			nvkm_wr32(device, 0x400200, addr);
1117			/**
1118			 * Wait for GR to go idle after submitting a
1119			 * GO_IDLE bundle
1120			 */
1121			if ((addr & 0xffff) == 0xe100)
1122				gf100_gr_wait_idle(gr);
1123			nvkm_msec(device, 2000,
1124				if (!(nvkm_rd32(device, 0x400700) & 0x00000004))
1125					break;
1126			);
1127			addr += init->pitch;
1128		}
1129	}
1130
1131	nvkm_wr32(device, 0x400208, 0x00000000);
1132}
1133
1134void
1135gf100_gr_mthd(struct gf100_gr *gr, const struct gf100_gr_pack *p)
1136{
1137	struct nvkm_device *device = gr->base.engine.subdev.device;
1138	const struct gf100_gr_pack *pack;
1139	const struct gf100_gr_init *init;
1140	u32 data = 0;
1141
1142	pack_for_each_init(init, pack, p) {
1143		u32 ctrl = 0x80000000 | pack->type;
1144		u32 next = init->addr + init->count * init->pitch;
1145		u32 addr = init->addr;
1146
1147		if ((pack == p && init == p->init) || data != init->data) {
1148			nvkm_wr32(device, 0x40448c, init->data);
1149			data = init->data;
1150		}
1151
1152		while (addr < next) {
1153			nvkm_wr32(device, 0x404488, ctrl | (addr << 14));
1154			addr += init->pitch;
1155		}
1156	}
1157}
1158
1159u64
1160gf100_gr_units(struct nvkm_gr *base)
1161{
1162	struct gf100_gr *gr = gf100_gr(base);
1163	u64 cfg;
1164
1165	cfg  = (u32)gr->gpc_nr;
1166	cfg |= (u32)gr->tpc_total << 8;
1167	cfg |= (u64)gr->rop_nr << 32;
1168
1169	return cfg;
1170}
1171
1172static const struct nvkm_bitfield gf100_dispatch_error[] = {
1173	{ 0x00000001, "INJECTED_BUNDLE_ERROR" },
1174	{ 0x00000002, "CLASS_SUBCH_MISMATCH" },
1175	{ 0x00000004, "SUBCHSW_DURING_NOTIFY" },
1176	{}
1177};
1178
1179static const struct nvkm_bitfield gf100_m2mf_error[] = {
1180	{ 0x00000001, "PUSH_TOO_MUCH_DATA" },
1181	{ 0x00000002, "PUSH_NOT_ENOUGH_DATA" },
1182	{}
1183};
1184
1185static const struct nvkm_bitfield gf100_unk6_error[] = {
1186	{ 0x00000001, "TEMP_TOO_SMALL" },
1187	{}
1188};
1189
1190static const struct nvkm_bitfield gf100_ccache_error[] = {
1191	{ 0x00000001, "INTR" },
1192	{ 0x00000002, "LDCONST_OOB" },
1193	{}
1194};
1195
1196static const struct nvkm_bitfield gf100_macro_error[] = {
1197	{ 0x00000001, "TOO_FEW_PARAMS" },
1198	{ 0x00000002, "TOO_MANY_PARAMS" },
1199	{ 0x00000004, "ILLEGAL_OPCODE" },
1200	{ 0x00000008, "DOUBLE_BRANCH" },
1201	{ 0x00000010, "WATCHDOG" },
1202	{}
1203};
1204
1205static const struct nvkm_bitfield gk104_sked_error[] = {
1206	{ 0x00000040, "CTA_RESUME" },
1207	{ 0x00000080, "CONSTANT_BUFFER_SIZE" },
1208	{ 0x00000200, "LOCAL_MEMORY_SIZE_POS" },
1209	{ 0x00000400, "LOCAL_MEMORY_SIZE_NEG" },
1210	{ 0x00000800, "WARP_CSTACK_SIZE" },
1211	{ 0x00001000, "TOTAL_TEMP_SIZE" },
1212	{ 0x00002000, "REGISTER_COUNT" },
1213	{ 0x00040000, "TOTAL_THREADS" },
1214	{ 0x00100000, "PROGRAM_OFFSET" },
1215	{ 0x00200000, "SHARED_MEMORY_SIZE" },
1216	{ 0x00800000, "CTA_THREAD_DIMENSION_ZERO" },
1217	{ 0x01000000, "MEMORY_WINDOW_OVERLAP" },
1218	{ 0x02000000, "SHARED_CONFIG_TOO_SMALL" },
1219	{ 0x04000000, "TOTAL_REGISTER_COUNT" },
1220	{}
1221};
1222
1223static const struct nvkm_bitfield gf100_gpc_rop_error[] = {
1224	{ 0x00000002, "RT_PITCH_OVERRUN" },
1225	{ 0x00000010, "RT_WIDTH_OVERRUN" },
1226	{ 0x00000020, "RT_HEIGHT_OVERRUN" },
1227	{ 0x00000080, "ZETA_STORAGE_TYPE_MISMATCH" },
1228	{ 0x00000100, "RT_STORAGE_TYPE_MISMATCH" },
1229	{ 0x00000400, "RT_LINEAR_MISMATCH" },
1230	{}
1231};
1232
1233static void
1234gf100_gr_trap_gpc_rop(struct gf100_gr *gr, int gpc)
1235{
1236	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1237	struct nvkm_device *device = subdev->device;
1238	char error[128];
1239	u32 trap[4];
1240
1241	trap[0] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0420)) & 0x3fffffff;
1242	trap[1] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0434));
1243	trap[2] = nvkm_rd32(device, GPC_UNIT(gpc, 0x0438));
1244	trap[3] = nvkm_rd32(device, GPC_UNIT(gpc, 0x043c));
1245
1246	nvkm_snprintbf(error, sizeof(error), gf100_gpc_rop_error, trap[0]);
1247
1248	nvkm_error(subdev, "GPC%d/PROP trap: %08x [%s] x = %u, y = %u, "
1249			   "format = %x, storage type = %x\n",
1250		   gpc, trap[0], error, trap[1] & 0xffff, trap[1] >> 16,
1251		   (trap[2] >> 8) & 0x3f, trap[3] & 0xff);
1252	nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
1253}
1254
1255const struct nvkm_enum gf100_mp_warp_error[] = {
1256	{ 0x01, "STACK_ERROR" },
1257	{ 0x02, "API_STACK_ERROR" },
1258	{ 0x03, "RET_EMPTY_STACK_ERROR" },
1259	{ 0x04, "PC_WRAP" },
1260	{ 0x05, "MISALIGNED_PC" },
1261	{ 0x06, "PC_OVERFLOW" },
1262	{ 0x07, "MISALIGNED_IMMC_ADDR" },
1263	{ 0x08, "MISALIGNED_REG" },
1264	{ 0x09, "ILLEGAL_INSTR_ENCODING" },
1265	{ 0x0a, "ILLEGAL_SPH_INSTR_COMBO" },
1266	{ 0x0b, "ILLEGAL_INSTR_PARAM" },
1267	{ 0x0c, "INVALID_CONST_ADDR" },
1268	{ 0x0d, "OOR_REG" },
1269	{ 0x0e, "OOR_ADDR" },
1270	{ 0x0f, "MISALIGNED_ADDR" },
1271	{ 0x10, "INVALID_ADDR_SPACE" },
1272	{ 0x11, "ILLEGAL_INSTR_PARAM2" },
1273	{ 0x12, "INVALID_CONST_ADDR_LDC" },
1274	{ 0x13, "GEOMETRY_SM_ERROR" },
1275	{ 0x14, "DIVERGENT" },
1276	{ 0x15, "WARP_EXIT" },
1277	{}
1278};
1279
1280const struct nvkm_bitfield gf100_mp_global_error[] = {
1281	{ 0x00000001, "SM_TO_SM_FAULT" },
1282	{ 0x00000002, "L1_ERROR" },
1283	{ 0x00000004, "MULTIPLE_WARP_ERRORS" },
1284	{ 0x00000008, "PHYSICAL_STACK_OVERFLOW" },
1285	{ 0x00000010, "BPT_INT" },
1286	{ 0x00000020, "BPT_PAUSE" },
1287	{ 0x00000040, "SINGLE_STEP_COMPLETE" },
1288	{ 0x20000000, "ECC_SEC_ERROR" },
1289	{ 0x40000000, "ECC_DED_ERROR" },
1290	{ 0x80000000, "TIMEOUT" },
1291	{}
1292};
1293
1294void
1295gf100_gr_trap_mp(struct gf100_gr *gr, int gpc, int tpc)
1296{
1297	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1298	struct nvkm_device *device = subdev->device;
1299	u32 werr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x648));
1300	u32 gerr = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x650));
1301	const struct nvkm_enum *warp;
1302	char glob[128];
1303
1304	nvkm_snprintbf(glob, sizeof(glob), gf100_mp_global_error, gerr);
1305	warp = nvkm_enum_find(gf100_mp_warp_error, werr & 0xffff);
1306
1307	nvkm_error(subdev, "GPC%i/TPC%i/MP trap: "
1308			   "global %08x [%s] warp %04x [%s]\n",
1309		   gpc, tpc, gerr, glob, werr, warp ? warp->name : "");
1310
1311	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x648), 0x00000000);
1312	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x650), gerr);
1313}
1314
1315static void
1316gf100_gr_trap_tpc(struct gf100_gr *gr, int gpc, int tpc)
1317{
1318	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1319	struct nvkm_device *device = subdev->device;
1320	u32 stat = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0508));
1321
1322	if (stat & 0x00000001) {
1323		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0224));
1324		nvkm_error(subdev, "GPC%d/TPC%d/TEX: %08x\n", gpc, tpc, trap);
1325		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
1326		stat &= ~0x00000001;
1327	}
1328
1329	if (stat & 0x00000002) {
1330		gr->func->trap_mp(gr, gpc, tpc);
1331		stat &= ~0x00000002;
1332	}
1333
1334	if (stat & 0x00000004) {
1335		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0084));
1336		nvkm_error(subdev, "GPC%d/TPC%d/POLY: %08x\n", gpc, tpc, trap);
1337		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
1338		stat &= ~0x00000004;
1339	}
1340
1341	if (stat & 0x00000008) {
1342		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x048c));
1343		nvkm_error(subdev, "GPC%d/TPC%d/L1C: %08x\n", gpc, tpc, trap);
1344		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
1345		stat &= ~0x00000008;
1346	}
1347
1348	if (stat & 0x00000010) {
1349		u32 trap = nvkm_rd32(device, TPC_UNIT(gpc, tpc, 0x0430));
1350		nvkm_error(subdev, "GPC%d/TPC%d/MPC: %08x\n", gpc, tpc, trap);
1351		nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x0430), 0xc0000000);
1352		stat &= ~0x00000010;
1353	}
1354
1355	if (stat) {
1356		nvkm_error(subdev, "GPC%d/TPC%d/%08x: unknown\n", gpc, tpc, stat);
1357	}
1358}
1359
1360static void
1361gf100_gr_trap_gpc(struct gf100_gr *gr, int gpc)
1362{
1363	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1364	struct nvkm_device *device = subdev->device;
1365	u32 stat = nvkm_rd32(device, GPC_UNIT(gpc, 0x2c90));
1366	int tpc;
1367
1368	if (stat & 0x00000001) {
1369		gf100_gr_trap_gpc_rop(gr, gpc);
1370		stat &= ~0x00000001;
1371	}
1372
1373	if (stat & 0x00000002) {
1374		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0900));
1375		nvkm_error(subdev, "GPC%d/ZCULL: %08x\n", gpc, trap);
1376		nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
1377		stat &= ~0x00000002;
1378	}
1379
1380	if (stat & 0x00000004) {
1381		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x1028));
1382		nvkm_error(subdev, "GPC%d/CCACHE: %08x\n", gpc, trap);
1383		nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
1384		stat &= ~0x00000004;
1385	}
1386
1387	if (stat & 0x00000008) {
1388		u32 trap = nvkm_rd32(device, GPC_UNIT(gpc, 0x0824));
1389		nvkm_error(subdev, "GPC%d/ESETUP: %08x\n", gpc, trap);
1390		nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
1391		stat &= ~0x00000009;
1392	}
1393
1394	for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
1395		u32 mask = 0x00010000 << tpc;
1396		if (stat & mask) {
1397			gf100_gr_trap_tpc(gr, gpc, tpc);
1398			nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), mask);
1399			stat &= ~mask;
1400		}
1401	}
1402
1403	if (stat) {
1404		nvkm_error(subdev, "GPC%d/%08x: unknown\n", gpc, stat);
1405	}
1406}
1407
1408static void
1409gf100_gr_trap_intr(struct gf100_gr *gr)
1410{
1411	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1412	struct nvkm_device *device = subdev->device;
1413	char error[128];
1414	u32 trap = nvkm_rd32(device, 0x400108);
1415	int rop, gpc;
1416
1417	if (trap & 0x00000001) {
1418		u32 stat = nvkm_rd32(device, 0x404000);
1419
1420		nvkm_snprintbf(error, sizeof(error), gf100_dispatch_error,
1421			       stat & 0x3fffffff);
1422		nvkm_error(subdev, "DISPATCH %08x [%s]\n", stat, error);
1423		nvkm_wr32(device, 0x404000, 0xc0000000);
1424		nvkm_wr32(device, 0x400108, 0x00000001);
1425		trap &= ~0x00000001;
1426	}
1427
1428	if (trap & 0x00000002) {
1429		u32 stat = nvkm_rd32(device, 0x404600);
1430
1431		nvkm_snprintbf(error, sizeof(error), gf100_m2mf_error,
1432			       stat & 0x3fffffff);
1433		nvkm_error(subdev, "M2MF %08x [%s]\n", stat, error);
1434
1435		nvkm_wr32(device, 0x404600, 0xc0000000);
1436		nvkm_wr32(device, 0x400108, 0x00000002);
1437		trap &= ~0x00000002;
1438	}
1439
1440	if (trap & 0x00000008) {
1441		u32 stat = nvkm_rd32(device, 0x408030);
1442
1443		nvkm_snprintbf(error, sizeof(error), gf100_ccache_error,
1444			       stat & 0x3fffffff);
1445		nvkm_error(subdev, "CCACHE %08x [%s]\n", stat, error);
1446		nvkm_wr32(device, 0x408030, 0xc0000000);
1447		nvkm_wr32(device, 0x400108, 0x00000008);
1448		trap &= ~0x00000008;
1449	}
1450
1451	if (trap & 0x00000010) {
1452		u32 stat = nvkm_rd32(device, 0x405840);
1453		nvkm_error(subdev, "SHADER %08x, sph: 0x%06x, stage: 0x%02x\n",
1454			   stat, stat & 0xffffff, (stat >> 24) & 0x3f);
1455		nvkm_wr32(device, 0x405840, 0xc0000000);
1456		nvkm_wr32(device, 0x400108, 0x00000010);
1457		trap &= ~0x00000010;
1458	}
1459
1460	if (trap & 0x00000040) {
1461		u32 stat = nvkm_rd32(device, 0x40601c);
1462
1463		nvkm_snprintbf(error, sizeof(error), gf100_unk6_error,
1464			       stat & 0x3fffffff);
1465		nvkm_error(subdev, "UNK6 %08x [%s]\n", stat, error);
1466
1467		nvkm_wr32(device, 0x40601c, 0xc0000000);
1468		nvkm_wr32(device, 0x400108, 0x00000040);
1469		trap &= ~0x00000040;
1470	}
1471
1472	if (trap & 0x00000080) {
1473		u32 stat = nvkm_rd32(device, 0x404490);
1474		u32 pc = nvkm_rd32(device, 0x404494);
1475		u32 op = nvkm_rd32(device, 0x40449c);
1476
1477		nvkm_snprintbf(error, sizeof(error), gf100_macro_error,
1478			       stat & 0x1fffffff);
1479		nvkm_error(subdev, "MACRO %08x [%s], pc: 0x%03x%s, op: 0x%08x\n",
1480			   stat, error, pc & 0x7ff,
1481			   (pc & 0x10000000) ? "" : " (invalid)",
1482			   op);
1483
1484		nvkm_wr32(device, 0x404490, 0xc0000000);
1485		nvkm_wr32(device, 0x400108, 0x00000080);
1486		trap &= ~0x00000080;
1487	}
1488
1489	if (trap & 0x00000100) {
1490		u32 stat = nvkm_rd32(device, 0x407020) & 0x3fffffff;
1491
1492		nvkm_snprintbf(error, sizeof(error), gk104_sked_error, stat);
1493		nvkm_error(subdev, "SKED: %08x [%s]\n", stat, error);
1494
1495		if (stat)
1496			nvkm_wr32(device, 0x407020, 0x40000000);
1497		nvkm_wr32(device, 0x400108, 0x00000100);
1498		trap &= ~0x00000100;
1499	}
1500
1501	if (trap & 0x01000000) {
1502		u32 stat = nvkm_rd32(device, 0x400118);
1503		for (gpc = 0; stat && gpc < gr->gpc_nr; gpc++) {
1504			u32 mask = 0x00000001 << gpc;
1505			if (stat & mask) {
1506				gf100_gr_trap_gpc(gr, gpc);
1507				nvkm_wr32(device, 0x400118, mask);
1508				stat &= ~mask;
1509			}
1510		}
1511		nvkm_wr32(device, 0x400108, 0x01000000);
1512		trap &= ~0x01000000;
1513	}
1514
1515	if (trap & 0x02000000) {
1516		for (rop = 0; rop < gr->rop_nr; rop++) {
1517			u32 statz = nvkm_rd32(device, ROP_UNIT(rop, 0x070));
1518			u32 statc = nvkm_rd32(device, ROP_UNIT(rop, 0x144));
1519			nvkm_error(subdev, "ROP%d %08x %08x\n",
1520				 rop, statz, statc);
1521			nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0xc0000000);
1522			nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0xc0000000);
1523		}
1524		nvkm_wr32(device, 0x400108, 0x02000000);
1525		trap &= ~0x02000000;
1526	}
1527
1528	if (trap) {
1529		nvkm_error(subdev, "TRAP UNHANDLED %08x\n", trap);
1530		nvkm_wr32(device, 0x400108, trap);
1531	}
1532}
1533
1534static void
1535gf100_gr_ctxctl_debug_unit(struct gf100_gr *gr, u32 base)
1536{
1537	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1538	struct nvkm_device *device = subdev->device;
1539	nvkm_error(subdev, "%06x - done %08x\n", base,
1540		   nvkm_rd32(device, base + 0x400));
1541	nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1542		   nvkm_rd32(device, base + 0x800),
1543		   nvkm_rd32(device, base + 0x804),
1544		   nvkm_rd32(device, base + 0x808),
1545		   nvkm_rd32(device, base + 0x80c));
1546	nvkm_error(subdev, "%06x - stat %08x %08x %08x %08x\n", base,
1547		   nvkm_rd32(device, base + 0x810),
1548		   nvkm_rd32(device, base + 0x814),
1549		   nvkm_rd32(device, base + 0x818),
1550		   nvkm_rd32(device, base + 0x81c));
1551}
1552
1553void
1554gf100_gr_ctxctl_debug(struct gf100_gr *gr)
1555{
1556	struct nvkm_device *device = gr->base.engine.subdev.device;
1557	u32 gpcnr = nvkm_rd32(device, 0x409604) & 0xffff;
1558	u32 gpc;
1559
1560	gf100_gr_ctxctl_debug_unit(gr, 0x409000);
1561	for (gpc = 0; gpc < gpcnr; gpc++)
1562		gf100_gr_ctxctl_debug_unit(gr, 0x502000 + (gpc * 0x8000));
1563}
1564
1565static void
1566gf100_gr_ctxctl_isr(struct gf100_gr *gr)
1567{
1568	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1569	struct nvkm_device *device = subdev->device;
1570	u32 stat = nvkm_rd32(device, 0x409c18);
1571
1572	if (!gr->firmware && (stat & 0x00000001)) {
1573		u32 code = nvkm_rd32(device, 0x409814);
1574		if (code == E_BAD_FWMTHD) {
1575			u32 class = nvkm_rd32(device, 0x409808);
1576			u32  addr = nvkm_rd32(device, 0x40980c);
1577			u32  subc = (addr & 0x00070000) >> 16;
1578			u32  mthd = (addr & 0x00003ffc);
1579			u32  data = nvkm_rd32(device, 0x409810);
1580
1581			nvkm_error(subdev, "FECS MTHD subc %d class %04x "
1582					   "mthd %04x data %08x\n",
1583				   subc, class, mthd, data);
1584		} else {
1585			nvkm_error(subdev, "FECS ucode error %d\n", code);
1586		}
1587		nvkm_wr32(device, 0x409c20, 0x00000001);
1588		stat &= ~0x00000001;
1589	}
1590
1591	if (!gr->firmware && (stat & 0x00080000)) {
1592		nvkm_error(subdev, "FECS watchdog timeout\n");
1593		gf100_gr_ctxctl_debug(gr);
1594		nvkm_wr32(device, 0x409c20, 0x00080000);
1595		stat &= ~0x00080000;
1596	}
1597
1598	if (stat) {
1599		nvkm_error(subdev, "FECS %08x\n", stat);
1600		gf100_gr_ctxctl_debug(gr);
1601		nvkm_wr32(device, 0x409c20, stat);
1602	}
1603}
1604
1605static irqreturn_t
1606gf100_gr_intr(struct nvkm_inth *inth)
1607{
1608	struct gf100_gr *gr = container_of(inth, typeof(*gr), base.engine.subdev.inth);
1609	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1610	struct nvkm_device *device = subdev->device;
1611	struct nvkm_chan *chan;
1612	unsigned long flags;
1613	u64 inst = nvkm_rd32(device, 0x409b00) & 0x0fffffff;
1614	u32 stat = nvkm_rd32(device, 0x400100);
1615	u32 addr = nvkm_rd32(device, 0x400704);
1616	u32 mthd = (addr & 0x00003ffc);
1617	u32 subc = (addr & 0x00070000) >> 16;
1618	u32 data = nvkm_rd32(device, 0x400708);
1619	u32 code = nvkm_rd32(device, 0x400110);
1620	u32 class;
1621	const char *name = "unknown";
1622	int chid = -1;
1623
1624	chan = nvkm_chan_get_inst(&gr->base.engine, (u64)inst << 12, &flags);
1625	if (chan) {
1626		name = chan->name;
1627		chid = chan->id;
1628	}
1629
1630	if (device->card_type < NV_E0 || subc < 4)
1631		class = nvkm_rd32(device, 0x404200 + (subc * 4));
1632	else
1633		class = 0x0000;
1634
1635	if (stat & 0x00000001) {
1636		/*
1637		 * notifier interrupt, only needed for cyclestats
1638		 * can be safely ignored
1639		 */
1640		nvkm_wr32(device, 0x400100, 0x00000001);
1641		stat &= ~0x00000001;
1642	}
1643
1644	if (stat & 0x00000010) {
1645		if (!gf100_gr_mthd_sw(device, class, mthd, data)) {
1646			nvkm_error(subdev, "ILLEGAL_MTHD ch %d [%010llx %s] "
1647				   "subc %d class %04x mthd %04x data %08x\n",
1648				   chid, inst << 12, name, subc,
1649				   class, mthd, data);
1650		}
1651		nvkm_wr32(device, 0x400100, 0x00000010);
1652		stat &= ~0x00000010;
1653	}
1654
1655	if (stat & 0x00000020) {
1656		nvkm_error(subdev, "ILLEGAL_CLASS ch %d [%010llx %s] "
1657			   "subc %d class %04x mthd %04x data %08x\n",
1658			   chid, inst << 12, name, subc, class, mthd, data);
1659		nvkm_wr32(device, 0x400100, 0x00000020);
1660		stat &= ~0x00000020;
1661	}
1662
1663	if (stat & 0x00100000) {
1664		const struct nvkm_enum *en =
1665			nvkm_enum_find(nv50_data_error_names, code);
1666		nvkm_error(subdev, "DATA_ERROR %08x [%s] ch %d [%010llx %s] "
1667				   "subc %d class %04x mthd %04x data %08x\n",
1668			   code, en ? en->name : "", chid, inst << 12,
1669			   name, subc, class, mthd, data);
1670		nvkm_wr32(device, 0x400100, 0x00100000);
1671		stat &= ~0x00100000;
1672	}
1673
1674	if (stat & 0x00200000) {
1675		nvkm_error(subdev, "TRAP ch %d [%010llx %s]\n",
1676			   chid, inst << 12, name);
1677		gf100_gr_trap_intr(gr);
1678		nvkm_wr32(device, 0x400100, 0x00200000);
1679		stat &= ~0x00200000;
1680	}
1681
1682	if (stat & 0x00080000) {
1683		gf100_gr_ctxctl_isr(gr);
1684		nvkm_wr32(device, 0x400100, 0x00080000);
1685		stat &= ~0x00080000;
1686	}
1687
1688	if (stat) {
1689		nvkm_error(subdev, "intr %08x\n", stat);
1690		nvkm_wr32(device, 0x400100, stat);
1691	}
1692
1693	nvkm_wr32(device, 0x400500, 0x00010001);
1694	nvkm_chan_put(&chan, flags);
1695	return IRQ_HANDLED;
1696}
1697
1698static void
1699gf100_gr_init_fw(struct nvkm_falcon *falcon,
1700		 struct nvkm_blob *code, struct nvkm_blob *data)
1701{
1702	nvkm_falcon_load_dmem(falcon, data->data, 0x0, data->size, 0);
1703	nvkm_falcon_load_imem(falcon, code->data, 0x0, code->size, 0, 0, false);
1704}
1705
1706static void
1707gf100_gr_init_csdata(struct gf100_gr *gr,
1708		     const struct gf100_gr_pack *pack,
1709		     u32 falcon, u32 starstar, u32 base)
1710{
1711	struct nvkm_device *device = gr->base.engine.subdev.device;
1712	const struct gf100_gr_pack *iter;
1713	const struct gf100_gr_init *init;
1714	u32 addr = ~0, prev = ~0, xfer = 0;
1715	u32 star, temp;
1716
1717	nvkm_wr32(device, falcon + 0x01c0, 0x02000000 + starstar);
1718	star = nvkm_rd32(device, falcon + 0x01c4);
1719	temp = nvkm_rd32(device, falcon + 0x01c4);
1720	if (temp > star)
1721		star = temp;
1722	nvkm_wr32(device, falcon + 0x01c0, 0x01000000 + star);
1723
1724	pack_for_each_init(init, iter, pack) {
1725		u32 head = init->addr - base;
1726		u32 tail = head + init->count * init->pitch;
1727		while (head < tail) {
1728			if (head != prev + 4 || xfer >= 32) {
1729				if (xfer) {
1730					u32 data = ((--xfer << 26) | addr);
1731					nvkm_wr32(device, falcon + 0x01c4, data);
1732					star += 4;
1733				}
1734				addr = head;
1735				xfer = 0;
1736			}
1737			prev = head;
1738			xfer = xfer + 1;
1739			head = head + init->pitch;
1740		}
1741	}
1742
1743	nvkm_wr32(device, falcon + 0x01c4, (--xfer << 26) | addr);
1744	nvkm_wr32(device, falcon + 0x01c0, 0x01000004 + starstar);
1745	nvkm_wr32(device, falcon + 0x01c4, star + 4);
1746}
1747
1748/* Initialize context from an external (secure or not) firmware */
1749static int
1750gf100_gr_init_ctxctl_ext(struct gf100_gr *gr)
1751{
1752	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1753	struct nvkm_device *device = subdev->device;
1754	u32 lsf_mask = 0;
1755	int ret;
1756
1757	/* load fuc microcode */
1758	nvkm_mc_unk260(device, 0);
1759
1760	/* securely-managed falcons must be reset using secure boot */
1761
1762	if (!nvkm_acr_managed_falcon(device, NVKM_ACR_LSF_FECS)) {
1763		gf100_gr_init_fw(&gr->fecs.falcon, &gr->fecs.inst,
1764						   &gr->fecs.data);
1765	} else {
1766		lsf_mask |= BIT(NVKM_ACR_LSF_FECS);
1767	}
1768
1769	if (!nvkm_acr_managed_falcon(device, NVKM_ACR_LSF_GPCCS)) {
1770		gf100_gr_init_fw(&gr->gpccs.falcon, &gr->gpccs.inst,
1771						    &gr->gpccs.data);
1772	} else {
1773		lsf_mask |= BIT(NVKM_ACR_LSF_GPCCS);
1774	}
1775
1776	if (lsf_mask) {
1777		ret = nvkm_acr_bootstrap_falcons(device, lsf_mask);
1778		if (ret)
1779			return ret;
1780	}
1781
1782	nvkm_mc_unk260(device, 1);
1783
1784	/* start both of them running */
1785	nvkm_wr32(device, 0x409800, 0x00000000);
1786	nvkm_wr32(device, 0x41a10c, 0x00000000);
1787	nvkm_wr32(device, 0x40910c, 0x00000000);
1788
1789	nvkm_falcon_start(&gr->gpccs.falcon);
1790	nvkm_falcon_start(&gr->fecs.falcon);
1791
1792	if (nvkm_msec(device, 2000,
1793		if (nvkm_rd32(device, 0x409800) & 0x00000001)
1794			break;
1795	) < 0)
1796		return -EBUSY;
1797
1798	gf100_gr_fecs_set_watchdog_timeout(gr, 0x7fffffff);
1799
1800	/* Determine how much memory is required to store main context image. */
1801	ret = gf100_gr_fecs_discover_image_size(gr, &gr->size);
1802	if (ret)
1803		return ret;
1804
1805	/* Determine how much memory is required to store ZCULL image. */
1806	ret = gf100_gr_fecs_discover_zcull_image_size(gr, &gr->size_zcull);
1807	if (ret)
1808		return ret;
1809
1810	/* Determine how much memory is required to store PerfMon image. */
1811	ret = gf100_gr_fecs_discover_pm_image_size(gr, &gr->size_pm);
1812	if (ret)
1813		return ret;
1814
1815	/*XXX: We (likely) require PMU support to even bother with this.
1816	 *
1817	 *     Also, it seems like not all GPUs support ELPG.  Traces I
1818	 *     have here show RM enabling it on Kepler/Turing, but none
1819	 *     of the GPUs between those.  NVGPU decides this by PCIID.
1820	 */
1821	if (0) {
1822		ret = gf100_gr_fecs_elpg_bind(gr);
1823		if (ret)
1824			return ret;
1825	}
1826
1827	return 0;
1828}
1829
1830static int
1831gf100_gr_init_ctxctl_int(struct gf100_gr *gr)
1832{
1833	const struct gf100_grctx_func *grctx = gr->func->grctx;
1834	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1835	struct nvkm_device *device = subdev->device;
1836
1837	if (!gr->func->fecs.ucode) {
1838		return -ENOSYS;
1839	}
1840
1841	/* load HUB microcode */
1842	nvkm_mc_unk260(device, 0);
1843	nvkm_falcon_load_dmem(&gr->fecs.falcon,
1844			      gr->func->fecs.ucode->data.data, 0x0,
1845			      gr->func->fecs.ucode->data.size, 0);
1846	nvkm_falcon_load_imem(&gr->fecs.falcon,
1847			      gr->func->fecs.ucode->code.data, 0x0,
1848			      gr->func->fecs.ucode->code.size, 0, 0, false);
1849
1850	/* load GPC microcode */
1851	nvkm_falcon_load_dmem(&gr->gpccs.falcon,
1852			      gr->func->gpccs.ucode->data.data, 0x0,
1853			      gr->func->gpccs.ucode->data.size, 0);
1854	nvkm_falcon_load_imem(&gr->gpccs.falcon,
1855			      gr->func->gpccs.ucode->code.data, 0x0,
1856			      gr->func->gpccs.ucode->code.size, 0, 0, false);
1857	nvkm_mc_unk260(device, 1);
1858
1859	/* load register lists */
1860	gf100_gr_init_csdata(gr, grctx->hub, 0x409000, 0x000, 0x000000);
1861	gf100_gr_init_csdata(gr, grctx->gpc_0, 0x41a000, 0x000, 0x418000);
1862	gf100_gr_init_csdata(gr, grctx->gpc_1, 0x41a000, 0x000, 0x418000);
1863	gf100_gr_init_csdata(gr, grctx->tpc, 0x41a000, 0x004, 0x419800);
1864	gf100_gr_init_csdata(gr, grctx->ppc, 0x41a000, 0x008, 0x41be00);
1865
1866	/* start HUB ucode running, it'll init the GPCs */
1867	nvkm_wr32(device, 0x40910c, 0x00000000);
1868	nvkm_wr32(device, 0x409100, 0x00000002);
1869	if (nvkm_msec(device, 2000,
1870		if (nvkm_rd32(device, 0x409800) & 0x80000000)
1871			break;
1872	) < 0) {
1873		gf100_gr_ctxctl_debug(gr);
1874		return -EBUSY;
1875	}
1876
1877	gr->size = nvkm_rd32(device, 0x409804);
1878	return 0;
1879}
1880
1881int
1882gf100_gr_init_ctxctl(struct gf100_gr *gr)
1883{
1884	int ret;
1885
1886	if (gr->firmware)
1887		ret = gf100_gr_init_ctxctl_ext(gr);
1888	else
1889		ret = gf100_gr_init_ctxctl_int(gr);
1890
1891	return ret;
1892}
1893
1894int
1895gf100_gr_oneinit_sm_id(struct gf100_gr *gr)
1896{
1897	int tpc, gpc;
1898
1899	for (tpc = 0; tpc < gr->tpc_max; tpc++) {
1900		for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
1901			if (tpc < gr->tpc_nr[gpc]) {
1902				gr->sm[gr->sm_nr].gpc = gpc;
1903				gr->sm[gr->sm_nr].tpc = tpc;
1904				gr->sm_nr++;
1905			}
1906		}
1907	}
1908
1909	return 0;
1910}
1911
1912void
1913gf100_gr_oneinit_tiles(struct gf100_gr *gr)
1914{
1915	static const u8 primes[] = {
1916		3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61
1917	};
1918	int init_frac[GPC_MAX], init_err[GPC_MAX], run_err[GPC_MAX], i, j;
1919	u32 mul_factor, comm_denom;
1920	u8  gpc_map[GPC_MAX];
1921	bool sorted;
1922
1923	switch (gr->tpc_total) {
1924	case 15: gr->screen_tile_row_offset = 0x06; break;
1925	case 14: gr->screen_tile_row_offset = 0x05; break;
1926	case 13: gr->screen_tile_row_offset = 0x02; break;
1927	case 11: gr->screen_tile_row_offset = 0x07; break;
1928	case 10: gr->screen_tile_row_offset = 0x06; break;
1929	case  7:
1930	case  5: gr->screen_tile_row_offset = 0x01; break;
1931	case  3: gr->screen_tile_row_offset = 0x02; break;
1932	case  2:
1933	case  1: gr->screen_tile_row_offset = 0x01; break;
1934	default: gr->screen_tile_row_offset = 0x03;
1935		for (i = 0; i < ARRAY_SIZE(primes); i++) {
1936			if (gr->tpc_total % primes[i]) {
1937				gr->screen_tile_row_offset = primes[i];
1938				break;
1939			}
1940		}
1941		break;
1942	}
1943
1944	/* Sort GPCs by TPC count, highest-to-lowest. */
1945	for (i = 0; i < gr->gpc_nr; i++)
1946		gpc_map[i] = i;
1947	sorted = false;
1948
1949	while (!sorted) {
1950		for (sorted = true, i = 0; i < gr->gpc_nr - 1; i++) {
1951			if (gr->tpc_nr[gpc_map[i + 1]] >
1952			    gr->tpc_nr[gpc_map[i + 0]]) {
1953				u8 swap = gpc_map[i];
1954				gpc_map[i + 0] = gpc_map[i + 1];
1955				gpc_map[i + 1] = swap;
1956				sorted = false;
1957			}
1958		}
1959	}
1960
1961	/* Determine tile->GPC mapping */
1962	mul_factor = gr->gpc_nr * gr->tpc_max;
1963	if (mul_factor & 1)
1964		mul_factor = 2;
1965	else
1966		mul_factor = 1;
1967
1968	comm_denom = gr->gpc_nr * gr->tpc_max * mul_factor;
1969
1970	for (i = 0; i < gr->gpc_nr; i++) {
1971		init_frac[i] = gr->tpc_nr[gpc_map[i]] * gr->gpc_nr * mul_factor;
1972		init_err[i] = i * gr->tpc_max * mul_factor - comm_denom/2;
1973		run_err[i] = init_frac[i] + init_err[i];
1974	}
1975
1976	for (i = 0; i < gr->tpc_total;) {
1977		for (j = 0; j < gr->gpc_nr; j++) {
1978			if ((run_err[j] * 2) >= comm_denom) {
1979				gr->tile[i++] = gpc_map[j];
1980				run_err[j] += init_frac[j] - comm_denom;
1981			} else {
1982				run_err[j] += init_frac[j];
1983			}
1984		}
1985	}
1986}
1987
1988static int
1989gf100_gr_oneinit(struct nvkm_gr *base)
1990{
1991	struct gf100_gr *gr = gf100_gr(base);
1992	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
1993	struct nvkm_device *device = subdev->device;
1994	struct nvkm_intr *intr = &device->mc->intr;
1995	enum nvkm_intr_type intr_type = NVKM_INTR_SUBDEV;
1996	int ret, i, j;
1997
1998	if (gr->func->oneinit_intr)
1999		intr = gr->func->oneinit_intr(gr, &intr_type);
2000
2001	ret = nvkm_inth_add(intr, intr_type, NVKM_INTR_PRIO_NORMAL, &gr->base.engine.subdev,
2002			    gf100_gr_intr, &gr->base.engine.subdev.inth);
2003	if (ret)
2004		return ret;
2005
2006	nvkm_pmu_pgob(device->pmu, false);
2007
2008	gr->rop_nr = gr->func->rops(gr);
2009	gr->gpc_nr = nvkm_rd32(device, 0x409604) & 0x0000001f;
2010	for (i = 0; i < gr->gpc_nr; i++) {
2011		gr->tpc_nr[i]  = nvkm_rd32(device, GPC_UNIT(i, 0x2608));
2012		gr->tpc_max = max(gr->tpc_max, gr->tpc_nr[i]);
2013		gr->tpc_total += gr->tpc_nr[i];
2014		for (j = 0; j < gr->func->ppc_nr; j++) {
2015			gr->ppc_tpc_mask[i][j] =
2016				nvkm_rd32(device, GPC_UNIT(i, 0x0c30 + (j * 4)));
2017			if (gr->ppc_tpc_mask[i][j] == 0)
2018				continue;
2019
2020			gr->ppc_nr[i]++;
2021
2022			gr->ppc_mask[i] |= (1 << j);
2023			gr->ppc_tpc_nr[i][j] = hweight8(gr->ppc_tpc_mask[i][j]);
2024			if (gr->ppc_tpc_min == 0 ||
2025			    gr->ppc_tpc_min > gr->ppc_tpc_nr[i][j])
2026				gr->ppc_tpc_min = gr->ppc_tpc_nr[i][j];
2027			if (gr->ppc_tpc_max < gr->ppc_tpc_nr[i][j])
2028				gr->ppc_tpc_max = gr->ppc_tpc_nr[i][j];
2029		}
2030
2031		gr->ppc_total += gr->ppc_nr[i];
2032	}
2033
2034	/* Allocate global context buffers. */
2035	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST,
2036			      gr->func->grctx->pagepool_size, 0x100, false, &gr->pagepool);
2037	if (ret)
2038		return ret;
2039
2040	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST, gr->func->grctx->bundle_size,
2041			      0x100, false, &gr->bundle_cb);
2042	if (ret)
2043		return ret;
2044
2045	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST_SR_LOST,
2046			      gr->func->grctx->attrib_cb_size(gr), 0x1000, false, &gr->attrib_cb);
2047	if (ret)
2048		return ret;
2049
2050	if (gr->func->grctx->unknown_size) {
2051		ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, gr->func->grctx->unknown_size,
2052				      0x100, false, &gr->unknown);
2053		if (ret)
2054			return ret;
2055	}
2056
2057	memset(gr->tile, 0xff, sizeof(gr->tile));
2058	gr->func->oneinit_tiles(gr);
2059
2060	return gr->func->oneinit_sm_id(gr);
2061}
2062
2063static int
2064gf100_gr_init_(struct nvkm_gr *base)
2065{
2066	struct gf100_gr *gr = gf100_gr(base);
2067	struct nvkm_subdev *subdev = &base->engine.subdev;
2068	struct nvkm_device *device = subdev->device;
2069	bool reset = device->chipset == 0x137 || device->chipset == 0x138;
2070	int ret;
2071
2072	/* On certain GP107/GP108 boards, we trigger a weird issue where
2073	 * GR will stop responding to PRI accesses after we've asked the
2074	 * SEC2 RTOS to boot the GR falcons.  This happens with far more
2075	 * frequency when cold-booting a board (ie. returning from D3).
2076	 *
2077	 * The root cause for this is not known and has proven difficult
2078	 * to isolate, with many avenues being dead-ends.
2079	 *
2080	 * A workaround was discovered by Karol, whereby putting GR into
2081	 * reset for an extended period right before initialisation
2082	 * prevents the problem from occuring.
2083	 *
2084	 * XXX: As RM does not require any such workaround, this is more
2085	 *      of a hack than a true fix.
2086	 */
2087	reset = nvkm_boolopt(device->cfgopt, "NvGrResetWar", reset);
2088	if (reset) {
2089		nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);
2090		nvkm_rd32(device, 0x000200);
2091		msleep(50);
2092		nvkm_mask(device, 0x000200, 0x00001000, 0x00001000);
2093		nvkm_rd32(device, 0x000200);
2094	}
2095
2096	nvkm_pmu_pgob(gr->base.engine.subdev.device->pmu, false);
2097
2098	ret = nvkm_falcon_get(&gr->fecs.falcon, subdev);
2099	if (ret)
2100		return ret;
2101
2102	ret = nvkm_falcon_get(&gr->gpccs.falcon, subdev);
2103	if (ret)
2104		return ret;
2105
2106	ret = gr->func->init(gr);
2107	if (ret)
2108		return ret;
2109
2110	nvkm_inth_allow(&subdev->inth);
2111	return 0;
2112}
2113
2114static int
2115gf100_gr_fini(struct nvkm_gr *base, bool suspend)
2116{
2117	struct gf100_gr *gr = gf100_gr(base);
2118	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
2119
2120	nvkm_inth_block(&subdev->inth);
2121
2122	nvkm_falcon_put(&gr->gpccs.falcon, subdev);
2123	nvkm_falcon_put(&gr->fecs.falcon, subdev);
2124	return 0;
2125}
2126
2127static void *
2128gf100_gr_dtor(struct nvkm_gr *base)
2129{
2130	struct gf100_gr *gr = gf100_gr(base);
2131
2132	kfree(gr->data);
2133
2134	nvkm_memory_unref(&gr->unknown);
2135	nvkm_memory_unref(&gr->attrib_cb);
2136	nvkm_memory_unref(&gr->bundle_cb);
2137	nvkm_memory_unref(&gr->pagepool);
2138
2139	nvkm_falcon_dtor(&gr->gpccs.falcon);
2140	nvkm_falcon_dtor(&gr->fecs.falcon);
2141
2142	nvkm_blob_dtor(&gr->fecs.inst);
2143	nvkm_blob_dtor(&gr->fecs.data);
2144	nvkm_blob_dtor(&gr->gpccs.inst);
2145	nvkm_blob_dtor(&gr->gpccs.data);
2146
2147	vfree(gr->bundle64);
2148	vfree(gr->bundle_veid);
2149	vfree(gr->bundle);
2150	vfree(gr->method);
2151	vfree(gr->sw_ctx);
2152	vfree(gr->sw_nonctx);
2153	vfree(gr->sw_nonctx1);
2154	vfree(gr->sw_nonctx2);
2155	vfree(gr->sw_nonctx3);
2156	vfree(gr->sw_nonctx4);
2157
2158	return gr;
2159}
2160
2161static const struct nvkm_falcon_func
2162gf100_gr_flcn = {
2163	.load_imem = nvkm_falcon_v1_load_imem,
2164	.load_dmem = nvkm_falcon_v1_load_dmem,
2165	.start = nvkm_falcon_v1_start,
2166};
2167
2168void
2169gf100_gr_init_num_tpc_per_gpc(struct gf100_gr *gr, bool pd, bool ds)
2170{
2171	struct nvkm_device *device = gr->base.engine.subdev.device;
2172	int gpc, i, j;
2173	u32 data;
2174
2175	for (gpc = 0, i = 0; i < 4; i++) {
2176		for (data = 0, j = 0; j < 8 && gpc < gr->gpc_nr; j++, gpc++)
2177			data |= gr->tpc_nr[gpc] << (j * 4);
2178		if (pd)
2179			nvkm_wr32(device, 0x406028 + (i * 4), data);
2180		if (ds)
2181			nvkm_wr32(device, 0x405870 + (i * 4), data);
2182	}
2183}
2184
2185void
2186gf100_gr_init_400054(struct gf100_gr *gr)
2187{
2188	nvkm_wr32(gr->base.engine.subdev.device, 0x400054, 0x34ce3464);
2189}
2190
2191void
2192gf100_gr_init_exception2(struct gf100_gr *gr)
2193{
2194	struct nvkm_device *device = gr->base.engine.subdev.device;
2195
2196	nvkm_wr32(device, 0x40011c, 0xffffffff);
2197	nvkm_wr32(device, 0x400134, 0xffffffff);
2198}
2199
2200void
2201gf100_gr_init_rop_exceptions(struct gf100_gr *gr)
2202{
2203	struct nvkm_device *device = gr->base.engine.subdev.device;
2204	int rop;
2205
2206	for (rop = 0; rop < gr->rop_nr; rop++) {
2207		nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0x40000000);
2208		nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0x40000000);
2209		nvkm_wr32(device, ROP_UNIT(rop, 0x204), 0xffffffff);
2210		nvkm_wr32(device, ROP_UNIT(rop, 0x208), 0xffffffff);
2211	}
2212}
2213
2214void
2215gf100_gr_init_shader_exceptions(struct gf100_gr *gr, int gpc, int tpc)
2216{
2217	struct nvkm_device *device = gr->base.engine.subdev.device;
2218	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
2219	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
2220}
2221
2222void
2223gf100_gr_init_tex_hww_esr(struct gf100_gr *gr, int gpc, int tpc)
2224{
2225	struct nvkm_device *device = gr->base.engine.subdev.device;
2226	nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
2227}
2228
2229void
2230gf100_gr_init_419eb4(struct gf100_gr *gr)
2231{
2232	struct nvkm_device *device = gr->base.engine.subdev.device;
2233	nvkm_mask(device, 0x419eb4, 0x00001000, 0x00001000);
2234}
2235
2236void
2237gf100_gr_init_419cc0(struct gf100_gr *gr)
2238{
2239	struct nvkm_device *device = gr->base.engine.subdev.device;
2240	int gpc, tpc;
2241
2242	nvkm_mask(device, 0x419cc0, 0x00000008, 0x00000008);
2243
2244	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
2245		for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++)
2246			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
2247	}
2248}
2249
2250void
2251gf100_gr_init_40601c(struct gf100_gr *gr)
2252{
2253	nvkm_wr32(gr->base.engine.subdev.device, 0x40601c, 0xc0000000);
2254}
2255
2256void
2257gf100_gr_init_fecs_exceptions(struct gf100_gr *gr)
2258{
2259	const u32 data = gr->firmware ? 0x000e0000 : 0x000e0001;
2260	nvkm_wr32(gr->base.engine.subdev.device, 0x409c24, data);
2261}
2262
2263void
2264gf100_gr_init_gpc_mmu(struct gf100_gr *gr)
2265{
2266	struct nvkm_device *device = gr->base.engine.subdev.device;
2267	struct nvkm_fb *fb = device->fb;
2268
2269	nvkm_wr32(device, 0x418880, nvkm_rd32(device, 0x100c80) & 0x00000001);
2270	nvkm_wr32(device, 0x4188a4, 0x03000000);
2271	nvkm_wr32(device, 0x418888, 0x00000000);
2272	nvkm_wr32(device, 0x41888c, 0x00000000);
2273	nvkm_wr32(device, 0x418890, 0x00000000);
2274	nvkm_wr32(device, 0x418894, 0x00000000);
2275	nvkm_wr32(device, 0x4188b4, nvkm_memory_addr(fb->mmu_wr) >> 8);
2276	nvkm_wr32(device, 0x4188b8, nvkm_memory_addr(fb->mmu_rd) >> 8);
2277}
2278
2279void
2280gf100_gr_init_num_active_ltcs(struct gf100_gr *gr)
2281{
2282	struct nvkm_device *device = gr->base.engine.subdev.device;
2283	nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800));
2284}
2285
2286void
2287gf100_gr_init_zcull(struct gf100_gr *gr)
2288{
2289	struct nvkm_device *device = gr->base.engine.subdev.device;
2290	const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total);
2291	const u8 tile_nr = ALIGN(gr->tpc_total, 32);
2292	u8 bank[GPC_MAX] = {}, gpc, i, j;
2293	u32 data;
2294
2295	for (i = 0; i < tile_nr; i += 8) {
2296		for (data = 0, j = 0; j < 8 && i + j < gr->tpc_total; j++) {
2297			data |= bank[gr->tile[i + j]] << (j * 4);
2298			bank[gr->tile[i + j]]++;
2299		}
2300		nvkm_wr32(device, GPC_BCAST(0x0980 + ((i / 8) * 4)), data);
2301	}
2302
2303	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
2304		nvkm_wr32(device, GPC_UNIT(gpc, 0x0914),
2305			  gr->screen_tile_row_offset << 8 | gr->tpc_nr[gpc]);
2306		nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 |
2307							 gr->tpc_total);
2308		nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918);
2309	}
2310
2311	nvkm_wr32(device, GPC_BCAST(0x1bd4), magicgpc918);
2312}
2313
2314void
2315gf100_gr_init_vsc_stream_master(struct gf100_gr *gr)
2316{
2317	struct nvkm_device *device = gr->base.engine.subdev.device;
2318	nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001);
2319}
2320
2321static int
2322gf100_gr_reset(struct nvkm_gr *base)
2323{
2324	struct nvkm_subdev *subdev = &base->engine.subdev;
2325	struct nvkm_device *device = subdev->device;
2326	struct gf100_gr *gr = gf100_gr(base);
2327
2328	nvkm_mask(device, 0x400500, 0x00000001, 0x00000000);
2329
2330	WARN_ON(gf100_gr_fecs_halt_pipeline(gr));
2331
2332	subdev->func->fini(subdev, false);
2333	nvkm_mc_disable(device, subdev->type, subdev->inst);
2334	if (gr->func->gpccs.reset)
2335		gr->func->gpccs.reset(gr);
2336
2337	nvkm_mc_enable(device, subdev->type, subdev->inst);
2338	return subdev->func->init(subdev);
2339}
2340
2341int
2342gf100_gr_init(struct gf100_gr *gr)
2343{
2344	struct nvkm_device *device = gr->base.engine.subdev.device;
2345	int gpc, tpc;
2346
2347	nvkm_mask(device, 0x400500, 0x00010001, 0x00000000);
2348
2349	gr->func->init_gpc_mmu(gr);
2350
2351	if (gr->sw_nonctx1) {
2352		gf100_gr_mmio(gr, gr->sw_nonctx1);
2353		gf100_gr_mmio(gr, gr->sw_nonctx2);
2354		gf100_gr_mmio(gr, gr->sw_nonctx3);
2355		gf100_gr_mmio(gr, gr->sw_nonctx4);
2356	} else
2357	if (gr->sw_nonctx) {
2358		gf100_gr_mmio(gr, gr->sw_nonctx);
2359	} else {
2360		gf100_gr_mmio(gr, gr->func->mmio);
2361	}
2362
2363	gf100_gr_wait_idle(gr);
2364
2365	if (gr->func->init_r405a14)
2366		gr->func->init_r405a14(gr);
2367
2368	if (gr->func->clkgate_pack)
2369		nvkm_therm_clkgate_init(device->therm, gr->func->clkgate_pack);
2370
2371	if (gr->func->init_bios)
2372		gr->func->init_bios(gr);
2373
2374	gr->func->init_vsc_stream_master(gr);
2375	gr->func->init_zcull(gr);
2376	gr->func->init_num_active_ltcs(gr);
2377	if (gr->func->init_rop_active_fbps)
2378		gr->func->init_rop_active_fbps(gr);
2379	if (gr->func->init_bios_2)
2380		gr->func->init_bios_2(gr);
2381	if (gr->func->init_swdx_pes_mask)
2382		gr->func->init_swdx_pes_mask(gr);
2383	if (gr->func->init_fs)
2384		gr->func->init_fs(gr);
2385
2386	nvkm_wr32(device, 0x400500, 0x00010001);
2387
2388	nvkm_wr32(device, 0x400100, 0xffffffff);
2389	nvkm_wr32(device, 0x40013c, 0xffffffff);
2390	nvkm_wr32(device, 0x400124, 0x00000002);
2391
2392	gr->func->init_fecs_exceptions(gr);
2393
2394	if (gr->func->init_40a790)
2395		gr->func->init_40a790(gr);
2396
2397	if (gr->func->init_ds_hww_esr_2)
2398		gr->func->init_ds_hww_esr_2(gr);
2399
2400	nvkm_wr32(device, 0x404000, 0xc0000000);
2401	nvkm_wr32(device, 0x404600, 0xc0000000);
2402	nvkm_wr32(device, 0x408030, 0xc0000000);
2403
2404	if (gr->func->init_40601c)
2405		gr->func->init_40601c(gr);
2406
2407	nvkm_wr32(device, 0x406018, 0xc0000000);
2408	nvkm_wr32(device, 0x404490, 0xc0000000);
2409
2410	if (gr->func->init_sked_hww_esr)
2411		gr->func->init_sked_hww_esr(gr);
2412
2413	nvkm_wr32(device, 0x405840, 0xc0000000);
2414	nvkm_wr32(device, 0x405844, 0x00ffffff);
2415
2416	if (gr->func->init_419cc0)
2417		gr->func->init_419cc0(gr);
2418	if (gr->func->init_419eb4)
2419		gr->func->init_419eb4(gr);
2420	if (gr->func->init_419c9c)
2421		gr->func->init_419c9c(gr);
2422
2423	if (gr->func->init_ppc_exceptions)
2424		gr->func->init_ppc_exceptions(gr);
2425
2426	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
2427		nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
2428		nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
2429		nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
2430		nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
2431		for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
2432			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
2433			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
2434			if (gr->func->init_tex_hww_esr)
2435				gr->func->init_tex_hww_esr(gr, gpc, tpc);
2436			nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
2437			if (gr->func->init_504430)
2438				gr->func->init_504430(gr, gpc, tpc);
2439			gr->func->init_shader_exceptions(gr, gpc, tpc);
2440		}
2441		nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
2442		nvkm_wr32(device, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
2443	}
2444
2445	gr->func->init_rop_exceptions(gr);
2446
2447	nvkm_wr32(device, 0x400108, 0xffffffff);
2448	nvkm_wr32(device, 0x400138, 0xffffffff);
2449	nvkm_wr32(device, 0x400118, 0xffffffff);
2450	nvkm_wr32(device, 0x400130, 0xffffffff);
2451	if (gr->func->init_exception2)
2452		gr->func->init_exception2(gr);
2453
2454	if (gr->func->init_400054)
2455		gr->func->init_400054(gr);
2456
2457	gf100_gr_zbc_init(gr);
2458
2459	if (gr->func->init_4188a4)
2460		gr->func->init_4188a4(gr);
2461
2462	return gf100_gr_init_ctxctl(gr);
2463}
2464
2465void
2466gf100_gr_fecs_reset(struct gf100_gr *gr)
2467{
2468	struct nvkm_device *device = gr->base.engine.subdev.device;
2469
2470	nvkm_wr32(device, 0x409614, 0x00000070);
2471	nvkm_usec(device, 10, NVKM_DELAY);
2472	nvkm_mask(device, 0x409614, 0x00000700, 0x00000700);
2473	nvkm_usec(device, 10, NVKM_DELAY);
2474	nvkm_rd32(device, 0x409614);
2475}
2476
2477#include "fuc/hubgf100.fuc3.h"
2478
2479struct gf100_gr_ucode
2480gf100_gr_fecs_ucode = {
2481	.code.data = gf100_grhub_code,
2482	.code.size = sizeof(gf100_grhub_code),
2483	.data.data = gf100_grhub_data,
2484	.data.size = sizeof(gf100_grhub_data),
2485};
2486
2487#include "fuc/gpcgf100.fuc3.h"
2488
2489struct gf100_gr_ucode
2490gf100_gr_gpccs_ucode = {
2491	.code.data = gf100_grgpc_code,
2492	.code.size = sizeof(gf100_grgpc_code),
2493	.data.data = gf100_grgpc_data,
2494	.data.size = sizeof(gf100_grgpc_data),
2495};
2496
2497static int
2498gf100_gr_nonstall(struct nvkm_gr *base)
2499{
2500	struct gf100_gr *gr = gf100_gr(base);
2501
2502	if (gr->func->nonstall)
2503		return gr->func->nonstall(gr);
2504
2505	return -EINVAL;
2506}
2507
2508static const struct nvkm_gr_func
2509gf100_gr_ = {
2510	.dtor = gf100_gr_dtor,
2511	.oneinit = gf100_gr_oneinit,
2512	.init = gf100_gr_init_,
2513	.fini = gf100_gr_fini,
2514	.nonstall = gf100_gr_nonstall,
2515	.reset = gf100_gr_reset,
2516	.units = gf100_gr_units,
2517	.chan_new = gf100_gr_chan_new,
2518	.object_get = gf100_gr_object_get,
2519	.chsw_load = gf100_gr_chsw_load,
2520	.ctxsw.pause = gf100_gr_fecs_stop_ctxsw,
2521	.ctxsw.resume = gf100_gr_fecs_start_ctxsw,
2522	.ctxsw.inst = gf100_gr_ctxsw_inst,
2523};
2524
2525static const struct gf100_gr_func
2526gf100_gr = {
2527	.oneinit_tiles = gf100_gr_oneinit_tiles,
2528	.oneinit_sm_id = gf100_gr_oneinit_sm_id,
2529	.init = gf100_gr_init,
2530	.init_gpc_mmu = gf100_gr_init_gpc_mmu,
2531	.init_vsc_stream_master = gf100_gr_init_vsc_stream_master,
2532	.init_zcull = gf100_gr_init_zcull,
2533	.init_num_active_ltcs = gf100_gr_init_num_active_ltcs,
2534	.init_fecs_exceptions = gf100_gr_init_fecs_exceptions,
2535	.init_40601c = gf100_gr_init_40601c,
2536	.init_419cc0 = gf100_gr_init_419cc0,
2537	.init_419eb4 = gf100_gr_init_419eb4,
2538	.init_tex_hww_esr = gf100_gr_init_tex_hww_esr,
2539	.init_shader_exceptions = gf100_gr_init_shader_exceptions,
2540	.init_rop_exceptions = gf100_gr_init_rop_exceptions,
2541	.init_exception2 = gf100_gr_init_exception2,
2542	.init_400054 = gf100_gr_init_400054,
2543	.trap_mp = gf100_gr_trap_mp,
2544	.mmio = gf100_gr_pack_mmio,
2545	.fecs.ucode = &gf100_gr_fecs_ucode,
2546	.fecs.reset = gf100_gr_fecs_reset,
2547	.gpccs.ucode = &gf100_gr_gpccs_ucode,
2548	.rops = gf100_gr_rops,
2549	.grctx = &gf100_grctx,
2550	.zbc = &gf100_gr_zbc,
2551	.sclass = {
2552		{ -1, -1, FERMI_TWOD_A },
2553		{ -1, -1, FERMI_MEMORY_TO_MEMORY_FORMAT_A },
2554		{ -1, -1, FERMI_A, &gf100_fermi },
2555		{ -1, -1, FERMI_COMPUTE_A },
2556		{}
2557	}
2558};
2559
2560int
2561gf100_gr_nofw(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
2562{
2563	gr->firmware = false;
2564	return 0;
2565}
2566
2567static int
2568gf100_gr_load_fw(struct gf100_gr *gr, const char *name,
2569		 struct nvkm_blob *blob)
2570{
2571	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
2572	struct nvkm_device *device = subdev->device;
2573	const struct firmware *fw;
2574	char f[32];
2575	int ret;
2576
2577	snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, name);
2578	ret = request_firmware(&fw, f, device->dev);
2579	if (ret) {
2580		snprintf(f, sizeof(f), "nouveau/%s", name);
2581		ret = request_firmware(&fw, f, device->dev);
2582		if (ret) {
2583			nvkm_error(subdev, "failed to load %s\n", name);
2584			return ret;
2585		}
2586	}
2587
2588	blob->size = fw->size;
2589	blob->data = kmemdup(fw->data, blob->size, GFP_KERNEL);
2590	release_firmware(fw);
2591	return (blob->data != NULL) ? 0 : -ENOMEM;
2592}
2593
2594int
2595gf100_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
2596{
2597	struct nvkm_device *device = gr->base.engine.subdev.device;
2598
2599	if (!nvkm_boolopt(device->cfgopt, "NvGrUseFW", false))
2600		return -EINVAL;
2601
2602	if (gf100_gr_load_fw(gr, "fuc409c", &gr->fecs.inst) ||
2603	    gf100_gr_load_fw(gr, "fuc409d", &gr->fecs.data) ||
2604	    gf100_gr_load_fw(gr, "fuc41ac", &gr->gpccs.inst) ||
2605	    gf100_gr_load_fw(gr, "fuc41ad", &gr->gpccs.data))
2606		return -ENOENT;
2607
2608	gr->firmware = true;
2609	return 0;
2610}
2611
2612static const struct gf100_gr_fwif
2613gf100_gr_fwif[] = {
2614	{ -1, gf100_gr_load, &gf100_gr },
2615	{ -1, gf100_gr_nofw, &gf100_gr },
2616	{}
2617};
2618
2619int
2620gf100_gr_new_(const struct gf100_gr_fwif *fwif, struct nvkm_device *device,
2621	      enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
2622{
2623	struct gf100_gr *gr;
2624	int ret;
2625
2626	if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
2627		return -ENOMEM;
2628	*pgr = &gr->base;
2629
2630	ret = nvkm_gr_ctor(&gf100_gr_, device, type, inst, true, &gr->base);
2631	if (ret)
2632		return ret;
2633
2634	fwif = nvkm_firmware_load(&gr->base.engine.subdev, fwif, "Gr", gr);
2635	if (IS_ERR(fwif))
2636		return PTR_ERR(fwif);
2637
2638	gr->func = fwif->func;
2639
2640	ret = nvkm_falcon_ctor(&gf100_gr_flcn, &gr->base.engine.subdev,
2641			       "fecs", 0x409000, &gr->fecs.falcon);
2642	if (ret)
2643		return ret;
2644
2645	mutex_init(&gr->fecs.mutex);
2646
2647	ret = nvkm_falcon_ctor(&gf100_gr_flcn, &gr->base.engine.subdev,
2648			       "gpccs", 0x41a000, &gr->gpccs.falcon);
2649	if (ret)
2650		return ret;
2651
2652	return 0;
2653}
2654
2655int
2656gf100_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
2657{
2658	return gf100_gr_new_(gf100_gr_fwif, device, type, inst, pgr);
2659}
2660