nvc0_graph.c revision 066d65db11fe4049bae52199c4b76fd6d9e95d47
1/*
2 * Copyright 2010 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
25#include <linux/firmware.h>
26
27#include "drmP.h"
28
29#include "nouveau_drv.h"
30#include "nouveau_mm.h"
31
32#include "nvc0_graph.h"
33#include "nvc0_grhub.fuc.h"
34#include "nvc0_grgpc.fuc.h"
35
36static void
37nvc0_graph_ctxctl_debug_unit(struct drm_device *dev, u32 base)
38{
39	NV_INFO(dev, "PGRAPH: %06x - done 0x%08x\n", base,
40		nv_rd32(dev, base + 0x400));
41	NV_INFO(dev, "PGRAPH: %06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
42		nv_rd32(dev, base + 0x800), nv_rd32(dev, base + 0x804),
43		nv_rd32(dev, base + 0x808), nv_rd32(dev, base + 0x80c));
44	NV_INFO(dev, "PGRAPH: %06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
45		nv_rd32(dev, base + 0x810), nv_rd32(dev, base + 0x814),
46		nv_rd32(dev, base + 0x818), nv_rd32(dev, base + 0x81c));
47}
48
49static void
50nvc0_graph_ctxctl_debug(struct drm_device *dev)
51{
52	u32 gpcnr = nv_rd32(dev, 0x409604) & 0xffff;
53	u32 gpc;
54
55	nvc0_graph_ctxctl_debug_unit(dev, 0x409000);
56	for (gpc = 0; gpc < gpcnr; gpc++)
57		nvc0_graph_ctxctl_debug_unit(dev, 0x502000 + (gpc * 0x8000));
58}
59
60static int
61nvc0_graph_load_context(struct nouveau_channel *chan)
62{
63	struct drm_device *dev = chan->dev;
64
65	nv_wr32(dev, 0x409840, 0x00000030);
66	nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
67	nv_wr32(dev, 0x409504, 0x00000003);
68	if (!nv_wait(dev, 0x409800, 0x00000010, 0x00000010))
69		NV_ERROR(dev, "PGRAPH: load_ctx timeout\n");
70
71	return 0;
72}
73
74static int
75nvc0_graph_unload_context_to(struct drm_device *dev, u64 chan)
76{
77	nv_wr32(dev, 0x409840, 0x00000003);
78	nv_wr32(dev, 0x409500, 0x80000000 | chan >> 12);
79	nv_wr32(dev, 0x409504, 0x00000009);
80	if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000000)) {
81		NV_ERROR(dev, "PGRAPH: unload_ctx timeout\n");
82		return -EBUSY;
83	}
84
85	return 0;
86}
87
88static int
89nvc0_graph_construct_context(struct nouveau_channel *chan)
90{
91	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
92	struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
93	struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
94	struct drm_device *dev = chan->dev;
95	int ret, i;
96	u32 *ctx;
97
98	ctx = kmalloc(priv->grctx_size, GFP_KERNEL);
99	if (!ctx)
100		return -ENOMEM;
101
102	if (!nouveau_ctxfw) {
103		nv_wr32(dev, 0x409840, 0x80000000);
104		nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
105		nv_wr32(dev, 0x409504, 0x00000001);
106		if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
107			NV_ERROR(dev, "PGRAPH: HUB_SET_CHAN timeout\n");
108			nvc0_graph_ctxctl_debug(dev);
109			return -EBUSY;
110		}
111	} else {
112		nvc0_graph_load_context(chan);
113
114		nv_wo32(grch->grctx, 0x1c, 1);
115		nv_wo32(grch->grctx, 0x20, 0);
116		nv_wo32(grch->grctx, 0x28, 0);
117		nv_wo32(grch->grctx, 0x2c, 0);
118		dev_priv->engine.instmem.flush(dev);
119	}
120
121	ret = nvc0_grctx_generate(chan);
122	if (ret) {
123		kfree(ctx);
124		return ret;
125	}
126
127	if (!nouveau_ctxfw) {
128		nv_wr32(dev, 0x409840, 0x80000000);
129		nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
130		nv_wr32(dev, 0x409504, 0x00000002);
131		if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
132			NV_ERROR(dev, "PGRAPH: HUB_CTX_SAVE timeout\n");
133			nvc0_graph_ctxctl_debug(dev);
134			return -EBUSY;
135		}
136	} else {
137		ret = nvc0_graph_unload_context_to(dev, chan->ramin->vinst);
138		if (ret) {
139			kfree(ctx);
140			return ret;
141		}
142	}
143
144	for (i = 0; i < priv->grctx_size; i += 4)
145		ctx[i / 4] = nv_ro32(grch->grctx, i);
146
147	priv->grctx_vals = ctx;
148	return 0;
149}
150
151static int
152nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan)
153{
154	struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
155	struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
156	struct drm_device *dev = chan->dev;
157	int i = 0, gpc, tp, ret;
158	u32 magic;
159
160	ret = nouveau_gpuobj_new(dev, NULL, 0x2000, 256, NVOBJ_FLAG_VM,
161				 &grch->unk408004);
162	if (ret)
163		return ret;
164
165	ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 256, NVOBJ_FLAG_VM,
166				 &grch->unk40800c);
167	if (ret)
168		return ret;
169
170	ret = nouveau_gpuobj_new(dev, NULL, 384 * 1024, 4096,
171				 NVOBJ_FLAG_VM | NVOBJ_FLAG_VM_USER,
172				 &grch->unk418810);
173	if (ret)
174		return ret;
175
176	ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 0, NVOBJ_FLAG_VM,
177				 &grch->mmio);
178	if (ret)
179		return ret;
180
181
182	nv_wo32(grch->mmio, i++ * 4, 0x00408004);
183	nv_wo32(grch->mmio, i++ * 4, grch->unk408004->linst >> 8);
184	nv_wo32(grch->mmio, i++ * 4, 0x00408008);
185	nv_wo32(grch->mmio, i++ * 4, 0x80000018);
186
187	nv_wo32(grch->mmio, i++ * 4, 0x0040800c);
188	nv_wo32(grch->mmio, i++ * 4, grch->unk40800c->linst >> 8);
189	nv_wo32(grch->mmio, i++ * 4, 0x00408010);
190	nv_wo32(grch->mmio, i++ * 4, 0x80000000);
191
192	nv_wo32(grch->mmio, i++ * 4, 0x00418810);
193	nv_wo32(grch->mmio, i++ * 4, 0x80000000 | grch->unk418810->linst >> 12);
194	nv_wo32(grch->mmio, i++ * 4, 0x00419848);
195	nv_wo32(grch->mmio, i++ * 4, 0x10000000 | grch->unk418810->linst >> 12);
196
197	nv_wo32(grch->mmio, i++ * 4, 0x00419004);
198	nv_wo32(grch->mmio, i++ * 4, grch->unk40800c->linst >> 8);
199	nv_wo32(grch->mmio, i++ * 4, 0x00419008);
200	nv_wo32(grch->mmio, i++ * 4, 0x00000000);
201
202	nv_wo32(grch->mmio, i++ * 4, 0x00418808);
203	nv_wo32(grch->mmio, i++ * 4, grch->unk408004->linst >> 8);
204	nv_wo32(grch->mmio, i++ * 4, 0x0041880c);
205	nv_wo32(grch->mmio, i++ * 4, 0x80000018);
206
207	magic = 0x02180000;
208	nv_wo32(grch->mmio, i++ * 4, 0x00405830);
209	nv_wo32(grch->mmio, i++ * 4, magic);
210	for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
211		for (tp = 0; tp < priv->tp_nr[gpc]; tp++, magic += 0x0324) {
212			u32 reg = 0x504520 + (gpc * 0x8000) + (tp * 0x0800);
213			nv_wo32(grch->mmio, i++ * 4, reg);
214			nv_wo32(grch->mmio, i++ * 4, magic);
215		}
216	}
217
218	grch->mmio_nr = i / 2;
219	return 0;
220}
221
222static int
223nvc0_graph_context_new(struct nouveau_channel *chan, int engine)
224{
225	struct drm_device *dev = chan->dev;
226	struct drm_nouveau_private *dev_priv = dev->dev_private;
227	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
228	struct nvc0_graph_priv *priv = nv_engine(dev, engine);
229	struct nvc0_graph_chan *grch;
230	struct nouveau_gpuobj *grctx;
231	int ret, i;
232
233	grch = kzalloc(sizeof(*grch), GFP_KERNEL);
234	if (!grch)
235		return -ENOMEM;
236	chan->engctx[NVOBJ_ENGINE_GR] = grch;
237
238	ret = nouveau_gpuobj_new(dev, NULL, priv->grctx_size, 256,
239				 NVOBJ_FLAG_VM | NVOBJ_FLAG_ZERO_ALLOC,
240				 &grch->grctx);
241	if (ret)
242		goto error;
243	grctx = grch->grctx;
244
245	ret = nvc0_graph_create_context_mmio_list(chan);
246	if (ret)
247		goto error;
248
249	nv_wo32(chan->ramin, 0x0210, lower_32_bits(grctx->linst) | 4);
250	nv_wo32(chan->ramin, 0x0214, upper_32_bits(grctx->linst));
251	pinstmem->flush(dev);
252
253	if (!priv->grctx_vals) {
254		ret = nvc0_graph_construct_context(chan);
255		if (ret)
256			goto error;
257	}
258
259	for (i = 0; i < priv->grctx_size; i += 4)
260		nv_wo32(grctx, i, priv->grctx_vals[i / 4]);
261
262	if (!nouveau_ctxfw) {
263		nv_wo32(grctx, 0x00, grch->mmio_nr);
264		nv_wo32(grctx, 0x04, grch->mmio->linst >> 8);
265	} else {
266		nv_wo32(grctx, 0xf4, 0);
267		nv_wo32(grctx, 0xf8, 0);
268		nv_wo32(grctx, 0x10, grch->mmio_nr);
269		nv_wo32(grctx, 0x14, lower_32_bits(grch->mmio->linst));
270		nv_wo32(grctx, 0x18, upper_32_bits(grch->mmio->linst));
271		nv_wo32(grctx, 0x1c, 1);
272		nv_wo32(grctx, 0x20, 0);
273		nv_wo32(grctx, 0x28, 0);
274		nv_wo32(grctx, 0x2c, 0);
275	}
276	pinstmem->flush(dev);
277	return 0;
278
279error:
280	priv->base.context_del(chan, engine);
281	return ret;
282}
283
284static void
285nvc0_graph_context_del(struct nouveau_channel *chan, int engine)
286{
287	struct nvc0_graph_chan *grch = chan->engctx[engine];
288
289	nouveau_gpuobj_ref(NULL, &grch->mmio);
290	nouveau_gpuobj_ref(NULL, &grch->unk418810);
291	nouveau_gpuobj_ref(NULL, &grch->unk40800c);
292	nouveau_gpuobj_ref(NULL, &grch->unk408004);
293	nouveau_gpuobj_ref(NULL, &grch->grctx);
294	chan->engctx[engine] = NULL;
295}
296
297static int
298nvc0_graph_object_new(struct nouveau_channel *chan, int engine,
299		      u32 handle, u16 class)
300{
301	return 0;
302}
303
304static int
305nvc0_graph_fini(struct drm_device *dev, int engine)
306{
307	return 0;
308}
309
310static int
311nvc0_graph_mthd_page_flip(struct nouveau_channel *chan,
312			  u32 class, u32 mthd, u32 data)
313{
314	nouveau_finish_page_flip(chan, NULL);
315	return 0;
316}
317
318static void
319nvc0_graph_init_obj418880(struct drm_device *dev)
320{
321	struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
322	int i;
323
324	nv_wr32(dev, GPC_BCAST(0x0880), 0x00000000);
325	nv_wr32(dev, GPC_BCAST(0x08a4), 0x00000000);
326	for (i = 0; i < 4; i++)
327		nv_wr32(dev, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
328	nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->vinst >> 8);
329	nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->vinst >> 8);
330}
331
332static void
333nvc0_graph_init_regs(struct drm_device *dev)
334{
335	nv_wr32(dev, 0x400080, 0x003083c2);
336	nv_wr32(dev, 0x400088, 0x00006fe7);
337	nv_wr32(dev, 0x40008c, 0x00000000);
338	nv_wr32(dev, 0x400090, 0x00000030);
339	nv_wr32(dev, 0x40013c, 0x013901f7);
340	nv_wr32(dev, 0x400140, 0x00000100);
341	nv_wr32(dev, 0x400144, 0x00000000);
342	nv_wr32(dev, 0x400148, 0x00000110);
343	nv_wr32(dev, 0x400138, 0x00000000);
344	nv_wr32(dev, 0x400130, 0x00000000);
345	nv_wr32(dev, 0x400134, 0x00000000);
346	nv_wr32(dev, 0x400124, 0x00000002);
347}
348
349static void
350nvc0_graph_init_gpc_0(struct drm_device *dev)
351{
352	struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
353	const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tp_total);
354	u32 data[TP_MAX / 8];
355	u8  tpnr[GPC_MAX];
356	int i, gpc, tpc;
357
358	/*
359	 *      TP      ROP UNKVAL(magic_not_rop_nr)
360	 * 450: 4/0/0/0 2        3
361	 * 460: 3/4/0/0 4        1
362	 * 465: 3/4/4/0 4        7
363	 * 470: 3/3/4/4 5        5
364	 * 480: 3/4/4/4 6        6
365	 */
366
367	memset(data, 0x00, sizeof(data));
368	memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
369	for (i = 0, gpc = -1; i < priv->tp_total; i++) {
370		do {
371			gpc = (gpc + 1) % priv->gpc_nr;
372		} while (!tpnr[gpc]);
373		tpc = priv->tp_nr[gpc] - tpnr[gpc]--;
374
375		data[i / 8] |= tpc << ((i % 8) * 4);
376	}
377
378	nv_wr32(dev, GPC_BCAST(0x0980), data[0]);
379	nv_wr32(dev, GPC_BCAST(0x0984), data[1]);
380	nv_wr32(dev, GPC_BCAST(0x0988), data[2]);
381	nv_wr32(dev, GPC_BCAST(0x098c), data[3]);
382
383	for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
384		nv_wr32(dev, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
385						  priv->tp_nr[gpc]);
386		nv_wr32(dev, GPC_UNIT(gpc, 0x0910), 0x00040000 | priv->tp_total);
387		nv_wr32(dev, GPC_UNIT(gpc, 0x0918), magicgpc918);
388	}
389
390	nv_wr32(dev, GPC_BCAST(0x1bd4), magicgpc918);
391	nv_wr32(dev, GPC_BCAST(0x08ac), priv->rop_nr);
392}
393
394static void
395nvc0_graph_init_units(struct drm_device *dev)
396{
397	nv_wr32(dev, 0x409c24, 0x000f0000);
398	nv_wr32(dev, 0x404000, 0xc0000000); /* DISPATCH */
399	nv_wr32(dev, 0x404600, 0xc0000000); /* M2MF */
400	nv_wr32(dev, 0x408030, 0xc0000000);
401	nv_wr32(dev, 0x40601c, 0xc0000000);
402	nv_wr32(dev, 0x404490, 0xc0000000); /* MACRO */
403	nv_wr32(dev, 0x406018, 0xc0000000);
404	nv_wr32(dev, 0x405840, 0xc0000000);
405	nv_wr32(dev, 0x405844, 0x00ffffff);
406	nv_mask(dev, 0x419cc0, 0x00000008, 0x00000008);
407	nv_mask(dev, 0x419eb4, 0x00001000, 0x00001000);
408}
409
410static void
411nvc0_graph_init_gpc_1(struct drm_device *dev)
412{
413	struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
414	int gpc, tp;
415
416	for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
417		nv_wr32(dev, GPC_UNIT(gpc, 0x0420), 0xc0000000);
418		nv_wr32(dev, GPC_UNIT(gpc, 0x0900), 0xc0000000);
419		nv_wr32(dev, GPC_UNIT(gpc, 0x1028), 0xc0000000);
420		nv_wr32(dev, GPC_UNIT(gpc, 0x0824), 0xc0000000);
421		for (tp = 0; tp < priv->tp_nr[gpc]; tp++) {
422			nv_wr32(dev, TP_UNIT(gpc, tp, 0x508), 0xffffffff);
423			nv_wr32(dev, TP_UNIT(gpc, tp, 0x50c), 0xffffffff);
424			nv_wr32(dev, TP_UNIT(gpc, tp, 0x224), 0xc0000000);
425			nv_wr32(dev, TP_UNIT(gpc, tp, 0x48c), 0xc0000000);
426			nv_wr32(dev, TP_UNIT(gpc, tp, 0x084), 0xc0000000);
427			nv_wr32(dev, TP_UNIT(gpc, tp, 0x644), 0x001ffffe);
428			nv_wr32(dev, TP_UNIT(gpc, tp, 0x64c), 0x0000000f);
429		}
430		nv_wr32(dev, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
431		nv_wr32(dev, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
432	}
433}
434
435static void
436nvc0_graph_init_rop(struct drm_device *dev)
437{
438	struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
439	int rop;
440
441	for (rop = 0; rop < priv->rop_nr; rop++) {
442		nv_wr32(dev, ROP_UNIT(rop, 0x144), 0xc0000000);
443		nv_wr32(dev, ROP_UNIT(rop, 0x070), 0xc0000000);
444		nv_wr32(dev, ROP_UNIT(rop, 0x204), 0xffffffff);
445		nv_wr32(dev, ROP_UNIT(rop, 0x208), 0xffffffff);
446	}
447}
448
449static void
450nvc0_graph_init_fuc(struct drm_device *dev, u32 fuc_base,
451		    struct nvc0_graph_fuc *code, struct nvc0_graph_fuc *data)
452{
453	int i;
454
455	nv_wr32(dev, fuc_base + 0x01c0, 0x01000000);
456	for (i = 0; i < data->size / 4; i++)
457		nv_wr32(dev, fuc_base + 0x01c4, data->data[i]);
458
459	nv_wr32(dev, fuc_base + 0x0180, 0x01000000);
460	for (i = 0; i < code->size / 4; i++) {
461		if ((i & 0x3f) == 0)
462			nv_wr32(dev, fuc_base + 0x0188, i >> 6);
463		nv_wr32(dev, fuc_base + 0x0184, code->data[i]);
464	}
465}
466
467static int
468nvc0_graph_init_ctxctl(struct drm_device *dev)
469{
470	struct drm_nouveau_private *dev_priv = dev->dev_private;
471	struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
472	u32 r000260;
473	int i;
474
475	if (!nouveau_ctxfw) {
476		/* load HUB microcode */
477		r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
478		nv_wr32(dev, 0x4091c0, 0x01000000);
479		for (i = 0; i < sizeof(nvc0_grhub_data) / 4; i++)
480			nv_wr32(dev, 0x4091c4, nvc0_grhub_data[i]);
481
482		nv_wr32(dev, 0x409180, 0x01000000);
483		for (i = 0; i < sizeof(nvc0_grhub_code) / 4; i++) {
484			if ((i & 0x3f) == 0)
485				nv_wr32(dev, 0x409188, i >> 6);
486			nv_wr32(dev, 0x409184, nvc0_grhub_code[i]);
487		}
488
489		/* load GPC microcode */
490		nv_wr32(dev, 0x41a1c0, 0x01000000);
491		for (i = 0; i < sizeof(nvc0_grgpc_data) / 4; i++)
492			nv_wr32(dev, 0x41a1c4, nvc0_grgpc_data[i]);
493
494		nv_wr32(dev, 0x41a180, 0x01000000);
495		for (i = 0; i < sizeof(nvc0_grgpc_code) / 4; i++) {
496			if ((i & 0x3f) == 0)
497				nv_wr32(dev, 0x41a188, i >> 6);
498			nv_wr32(dev, 0x41a184, nvc0_grgpc_code[i]);
499		}
500		nv_wr32(dev, 0x000260, r000260);
501
502		/* start HUB ucode running, it'll init the GPCs */
503		nv_wr32(dev, 0x409800, dev_priv->chipset);
504		nv_wr32(dev, 0x40910c, 0x00000000);
505		nv_wr32(dev, 0x409100, 0x00000002);
506		if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
507			NV_ERROR(dev, "PGRAPH: HUB_INIT timed out\n");
508			nvc0_graph_ctxctl_debug(dev);
509			return -EBUSY;
510		}
511
512		priv->grctx_size = nv_rd32(dev, 0x409804);
513		return 0;
514	}
515
516	/* load fuc microcode */
517	r000260 = nv_mask(dev, 0x000260, 0x00000001, 0x00000000);
518	nvc0_graph_init_fuc(dev, 0x409000, &priv->fuc409c, &priv->fuc409d);
519	nvc0_graph_init_fuc(dev, 0x41a000, &priv->fuc41ac, &priv->fuc41ad);
520	nv_wr32(dev, 0x000260, r000260);
521
522	/* start both of them running */
523	nv_wr32(dev, 0x409840, 0xffffffff);
524	nv_wr32(dev, 0x41a10c, 0x00000000);
525	nv_wr32(dev, 0x40910c, 0x00000000);
526	nv_wr32(dev, 0x41a100, 0x00000002);
527	nv_wr32(dev, 0x409100, 0x00000002);
528	if (!nv_wait(dev, 0x409800, 0x00000001, 0x00000001))
529		NV_INFO(dev, "0x409800 wait failed\n");
530
531	nv_wr32(dev, 0x409840, 0xffffffff);
532	nv_wr32(dev, 0x409500, 0x7fffffff);
533	nv_wr32(dev, 0x409504, 0x00000021);
534
535	nv_wr32(dev, 0x409840, 0xffffffff);
536	nv_wr32(dev, 0x409500, 0x00000000);
537	nv_wr32(dev, 0x409504, 0x00000010);
538	if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
539		NV_ERROR(dev, "fuc09 req 0x10 timeout\n");
540		return -EBUSY;
541	}
542	priv->grctx_size = nv_rd32(dev, 0x409800);
543
544	nv_wr32(dev, 0x409840, 0xffffffff);
545	nv_wr32(dev, 0x409500, 0x00000000);
546	nv_wr32(dev, 0x409504, 0x00000016);
547	if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
548		NV_ERROR(dev, "fuc09 req 0x16 timeout\n");
549		return -EBUSY;
550	}
551
552	nv_wr32(dev, 0x409840, 0xffffffff);
553	nv_wr32(dev, 0x409500, 0x00000000);
554	nv_wr32(dev, 0x409504, 0x00000025);
555	if (!nv_wait_ne(dev, 0x409800, 0xffffffff, 0x00000000)) {
556		NV_ERROR(dev, "fuc09 req 0x25 timeout\n");
557		return -EBUSY;
558	}
559
560	return 0;
561}
562
563static int
564nvc0_graph_init(struct drm_device *dev, int engine)
565{
566	int ret;
567
568	nv_mask(dev, 0x000200, 0x18001000, 0x00000000);
569	nv_mask(dev, 0x000200, 0x18001000, 0x18001000);
570
571	nvc0_graph_init_obj418880(dev);
572	nvc0_graph_init_regs(dev);
573	/*nvc0_graph_init_unitplemented_magics(dev);*/
574	nvc0_graph_init_gpc_0(dev);
575	/*nvc0_graph_init_unitplemented_c242(dev);*/
576
577	nv_wr32(dev, 0x400500, 0x00010001);
578	nv_wr32(dev, 0x400100, 0xffffffff);
579	nv_wr32(dev, 0x40013c, 0xffffffff);
580
581	nvc0_graph_init_units(dev);
582	nvc0_graph_init_gpc_1(dev);
583	nvc0_graph_init_rop(dev);
584
585	nv_wr32(dev, 0x400108, 0xffffffff);
586	nv_wr32(dev, 0x400138, 0xffffffff);
587	nv_wr32(dev, 0x400118, 0xffffffff);
588	nv_wr32(dev, 0x400130, 0xffffffff);
589	nv_wr32(dev, 0x40011c, 0xffffffff);
590	nv_wr32(dev, 0x400134, 0xffffffff);
591	nv_wr32(dev, 0x400054, 0x34ce3464);
592
593	ret = nvc0_graph_init_ctxctl(dev);
594	if (ret)
595		return ret;
596
597	return 0;
598}
599
600int
601nvc0_graph_isr_chid(struct drm_device *dev, u64 inst)
602{
603	struct drm_nouveau_private *dev_priv = dev->dev_private;
604	struct nouveau_channel *chan;
605	unsigned long flags;
606	int i;
607
608	spin_lock_irqsave(&dev_priv->channels.lock, flags);
609	for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
610		chan = dev_priv->channels.ptr[i];
611		if (!chan || !chan->ramin)
612			continue;
613
614		if (inst == chan->ramin->vinst)
615			break;
616	}
617	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
618	return i;
619}
620
621static void
622nvc0_graph_ctxctl_isr(struct drm_device *dev)
623{
624	u32 ustat = nv_rd32(dev, 0x409c18);
625
626	if (ustat & 0x00000001)
627		NV_INFO(dev, "PGRAPH: CTXCTRL ucode error\n");
628	if (ustat & 0x00080000)
629		NV_INFO(dev, "PGRAPH: CTXCTRL watchdog timeout\n");
630	if (ustat & ~0x00080001)
631		NV_INFO(dev, "PGRAPH: CTXCTRL 0x%08x\n", ustat);
632
633	nvc0_graph_ctxctl_debug(dev);
634	nv_wr32(dev, 0x409c20, ustat);
635}
636
637static void
638nvc0_graph_isr(struct drm_device *dev)
639{
640	u64 inst = (u64)(nv_rd32(dev, 0x409b00) & 0x0fffffff) << 12;
641	u32 chid = nvc0_graph_isr_chid(dev, inst);
642	u32 stat = nv_rd32(dev, 0x400100);
643	u32 addr = nv_rd32(dev, 0x400704);
644	u32 mthd = (addr & 0x00003ffc);
645	u32 subc = (addr & 0x00070000) >> 16;
646	u32 data = nv_rd32(dev, 0x400708);
647	u32 code = nv_rd32(dev, 0x400110);
648	u32 class = nv_rd32(dev, 0x404200 + (subc * 4));
649
650	if (stat & 0x00000010) {
651		if (nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data)) {
652			NV_INFO(dev, "PGRAPH: ILLEGAL_MTHD ch %d [0x%010llx] "
653				     "subc %d class 0x%04x mthd 0x%04x "
654				     "data 0x%08x\n",
655				chid, inst, subc, class, mthd, data);
656		}
657		nv_wr32(dev, 0x400100, 0x00000010);
658		stat &= ~0x00000010;
659	}
660
661	if (stat & 0x00000020) {
662		NV_INFO(dev, "PGRAPH: ILLEGAL_CLASS ch %d [0x%010llx] subc %d "
663			     "class 0x%04x mthd 0x%04x data 0x%08x\n",
664			chid, inst, subc, class, mthd, data);
665		nv_wr32(dev, 0x400100, 0x00000020);
666		stat &= ~0x00000020;
667	}
668
669	if (stat & 0x00100000) {
670		NV_INFO(dev, "PGRAPH: DATA_ERROR [");
671		nouveau_enum_print(nv50_data_error_names, code);
672		printk("] ch %d [0x%010llx] subc %d class 0x%04x "
673		       "mthd 0x%04x data 0x%08x\n",
674		       chid, inst, subc, class, mthd, data);
675		nv_wr32(dev, 0x400100, 0x00100000);
676		stat &= ~0x00100000;
677	}
678
679	if (stat & 0x00200000) {
680		u32 trap = nv_rd32(dev, 0x400108);
681		NV_INFO(dev, "PGRAPH: TRAP ch %d status 0x%08x\n", chid, trap);
682		nv_wr32(dev, 0x400108, trap);
683		nv_wr32(dev, 0x400100, 0x00200000);
684		stat &= ~0x00200000;
685	}
686
687	if (stat & 0x00080000) {
688		nvc0_graph_ctxctl_isr(dev);
689		nv_wr32(dev, 0x400100, 0x00080000);
690		stat &= ~0x00080000;
691	}
692
693	if (stat) {
694		NV_INFO(dev, "PGRAPH: unknown stat 0x%08x\n", stat);
695		nv_wr32(dev, 0x400100, stat);
696	}
697
698	nv_wr32(dev, 0x400500, 0x00010001);
699}
700
701static void
702nvc0_runk140_isr(struct drm_device *dev)
703{
704	u32 units = nv_rd32(dev, 0x00017c) & 0x1f;
705
706	while (units) {
707		u32 unit = ffs(units) - 1;
708		u32 reg = 0x140000 + unit * 0x2000;
709		u32 st0 = nv_mask(dev, reg + 0x1020, 0, 0);
710		u32 st1 = nv_mask(dev, reg + 0x1420, 0, 0);
711
712		NV_INFO(dev, "PRUNK140: %d 0x%08x 0x%08x\n", unit, st0, st1);
713		units &= ~(1 << unit);
714	}
715}
716
717static int
718nvc0_graph_create_fw(struct drm_device *dev, const char *fwname,
719		     struct nvc0_graph_fuc *fuc)
720{
721	struct drm_nouveau_private *dev_priv = dev->dev_private;
722	const struct firmware *fw;
723	char f[32];
724	int ret;
725
726	snprintf(f, sizeof(f), "nouveau/nv%02x_%s", dev_priv->chipset, fwname);
727	ret = request_firmware(&fw, f, &dev->pdev->dev);
728	if (ret) {
729		snprintf(f, sizeof(f), "nouveau/%s", fwname);
730		ret = request_firmware(&fw, f, &dev->pdev->dev);
731		if (ret) {
732			NV_ERROR(dev, "failed to load %s\n", fwname);
733			return ret;
734		}
735	}
736
737	fuc->size = fw->size;
738	fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
739	release_firmware(fw);
740	return (fuc->data != NULL) ? 0 : -ENOMEM;
741}
742
743static void
744nvc0_graph_destroy_fw(struct nvc0_graph_fuc *fuc)
745{
746	if (fuc->data) {
747		kfree(fuc->data);
748		fuc->data = NULL;
749	}
750}
751
752static void
753nvc0_graph_destroy(struct drm_device *dev, int engine)
754{
755	struct nvc0_graph_priv *priv = nv_engine(dev, engine);
756
757	if (nouveau_ctxfw) {
758		nvc0_graph_destroy_fw(&priv->fuc409c);
759		nvc0_graph_destroy_fw(&priv->fuc409d);
760		nvc0_graph_destroy_fw(&priv->fuc41ac);
761		nvc0_graph_destroy_fw(&priv->fuc41ad);
762	}
763
764	nouveau_irq_unregister(dev, 12);
765	nouveau_irq_unregister(dev, 25);
766
767	nouveau_gpuobj_ref(NULL, &priv->unk4188b8);
768	nouveau_gpuobj_ref(NULL, &priv->unk4188b4);
769
770	if (priv->grctx_vals)
771		kfree(priv->grctx_vals);
772
773	NVOBJ_ENGINE_DEL(dev, GR);
774	kfree(priv);
775}
776
777int
778nvc0_graph_create(struct drm_device *dev)
779{
780	struct drm_nouveau_private *dev_priv = dev->dev_private;
781	struct nvc0_graph_priv *priv;
782	int ret, gpc, i;
783	u32 fermi;
784
785	fermi = nvc0_graph_class(dev);
786	if (!fermi) {
787		NV_ERROR(dev, "PGRAPH: unsupported chipset, please report!\n");
788		return 0;
789	}
790
791	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
792	if (!priv)
793		return -ENOMEM;
794
795	priv->base.destroy = nvc0_graph_destroy;
796	priv->base.init = nvc0_graph_init;
797	priv->base.fini = nvc0_graph_fini;
798	priv->base.context_new = nvc0_graph_context_new;
799	priv->base.context_del = nvc0_graph_context_del;
800	priv->base.object_new = nvc0_graph_object_new;
801
802	NVOBJ_ENGINE_ADD(dev, GR, &priv->base);
803	nouveau_irq_register(dev, 12, nvc0_graph_isr);
804	nouveau_irq_register(dev, 25, nvc0_runk140_isr);
805
806	if (nouveau_ctxfw) {
807		NV_INFO(dev, "PGRAPH: using external firmware\n");
808		if (nvc0_graph_create_fw(dev, "fuc409c", &priv->fuc409c) ||
809		    nvc0_graph_create_fw(dev, "fuc409d", &priv->fuc409d) ||
810		    nvc0_graph_create_fw(dev, "fuc41ac", &priv->fuc41ac) ||
811		    nvc0_graph_create_fw(dev, "fuc41ad", &priv->fuc41ad)) {
812			ret = 0;
813			goto error;
814		}
815	}
816
817	ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b4);
818	if (ret)
819		goto error;
820
821	ret = nouveau_gpuobj_new(dev, NULL, 0x1000, 256, 0, &priv->unk4188b8);
822	if (ret)
823		goto error;
824
825	for (i = 0; i < 0x1000; i += 4) {
826		nv_wo32(priv->unk4188b4, i, 0x00000010);
827		nv_wo32(priv->unk4188b8, i, 0x00000010);
828	}
829
830	priv->gpc_nr  =  nv_rd32(dev, 0x409604) & 0x0000001f;
831	priv->rop_nr = (nv_rd32(dev, 0x409604) & 0x001f0000) >> 16;
832	for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
833		priv->tp_nr[gpc] = nv_rd32(dev, GPC_UNIT(gpc, 0x2608));
834		priv->tp_total += priv->tp_nr[gpc];
835	}
836
837	/*XXX: these need figuring out... */
838	switch (dev_priv->chipset) {
839	case 0xc0:
840		if (priv->tp_total == 11) { /* 465, 3/4/4/0, 4 */
841			priv->magic_not_rop_nr = 0x07;
842		} else
843		if (priv->tp_total == 14) { /* 470, 3/3/4/4, 5 */
844			priv->magic_not_rop_nr = 0x05;
845		} else
846		if (priv->tp_total == 15) { /* 480, 3/4/4/4, 6 */
847			priv->magic_not_rop_nr = 0x06;
848		}
849		break;
850	case 0xc3: /* 450, 4/0/0/0, 2 */
851		priv->magic_not_rop_nr = 0x03;
852		break;
853	case 0xc4: /* 460, 3/4/0/0, 4 */
854		priv->magic_not_rop_nr = 0x01;
855		break;
856	case 0xc1: /* 2/0/0/0, 1 */
857		priv->magic_not_rop_nr = 0x01;
858		break;
859	case 0xc8: /* 4/4/3/4, 5 */
860		priv->magic_not_rop_nr = 0x06;
861		break;
862	case 0xce: /* 4/4/0/0, 4 */
863		priv->magic_not_rop_nr = 0x03;
864		break;
865	}
866
867	if (!priv->magic_not_rop_nr) {
868		NV_ERROR(dev, "PGRAPH: unknown config: %d/%d/%d/%d, %d\n",
869			 priv->tp_nr[0], priv->tp_nr[1], priv->tp_nr[2],
870			 priv->tp_nr[3], priv->rop_nr);
871		/* use 0xc3's values... */
872		priv->magic_not_rop_nr = 0x03;
873	}
874
875	NVOBJ_CLASS(dev, 0x902d, GR); /* 2D */
876	NVOBJ_CLASS(dev, 0x9039, GR); /* M2MF */
877	NVOBJ_MTHD (dev, 0x9039, 0x0500, nvc0_graph_mthd_page_flip);
878	NVOBJ_CLASS(dev, 0x9097, GR); /* 3D */
879	if (fermi >= 0x9197)
880		NVOBJ_CLASS(dev, 0x9197, GR); /* 3D (NVC1-) */
881	if (fermi >= 0x9297)
882		NVOBJ_CLASS(dev, 0x9297, GR); /* 3D (NVC8-) */
883	NVOBJ_CLASS(dev, 0x90c0, GR); /* COMPUTE */
884	return 0;
885
886error:
887	nvc0_graph_destroy(dev, NVOBJ_ENGINE_GR);
888	return ret;
889}
890
891MODULE_FIRMWARE("nouveau/nvc0_fuc409c");
892MODULE_FIRMWARE("nouveau/nvc0_fuc409d");
893MODULE_FIRMWARE("nouveau/nvc0_fuc41ac");
894MODULE_FIRMWARE("nouveau/nvc0_fuc41ad");
895MODULE_FIRMWARE("nouveau/nvc3_fuc409c");
896MODULE_FIRMWARE("nouveau/nvc3_fuc409d");
897MODULE_FIRMWARE("nouveau/nvc3_fuc41ac");
898MODULE_FIRMWARE("nouveau/nvc3_fuc41ad");
899MODULE_FIRMWARE("nouveau/nvc4_fuc409c");
900MODULE_FIRMWARE("nouveau/nvc4_fuc409d");
901MODULE_FIRMWARE("nouveau/nvc4_fuc41ac");
902MODULE_FIRMWARE("nouveau/nvc4_fuc41ad");
903MODULE_FIRMWARE("nouveau/fuc409c");
904MODULE_FIRMWARE("nouveau/fuc409d");
905MODULE_FIRMWARE("nouveau/fuc41ac");
906MODULE_FIRMWARE("nouveau/fuc41ad");
907