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1 /*
2  * Copyright 2007 Stephane Marchesin
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  */
24
25 #include "drmP.h"
26 #include "drm.h"
27 #include "nouveau_drm.h"
28 #include "nouveau_drv.h"
29
30 static uint32_t nv04_graph_ctx_regs[] = {
31         0x0040053c,
32         0x00400544,
33         0x00400540,
34         0x00400548,
35         NV04_PGRAPH_CTX_SWITCH1,
36         NV04_PGRAPH_CTX_SWITCH2,
37         NV04_PGRAPH_CTX_SWITCH3,
38         NV04_PGRAPH_CTX_SWITCH4,
39         NV04_PGRAPH_CTX_CACHE1,
40         NV04_PGRAPH_CTX_CACHE2,
41         NV04_PGRAPH_CTX_CACHE3,
42         NV04_PGRAPH_CTX_CACHE4,
43         0x00400184,
44         0x004001a4,
45         0x004001c4,
46         0x004001e4,
47         0x00400188,
48         0x004001a8,
49         0x004001c8,
50         0x004001e8,
51         0x0040018c,
52         0x004001ac,
53         0x004001cc,
54         0x004001ec,
55         0x00400190,
56         0x004001b0,
57         0x004001d0,
58         0x004001f0,
59         0x00400194,
60         0x004001b4,
61         0x004001d4,
62         0x004001f4,
63         0x00400198,
64         0x004001b8,
65         0x004001d8,
66         0x004001f8,
67         0x0040019c,
68         0x004001bc,
69         0x004001dc,
70         0x004001fc,
71         0x00400174,
72         NV04_PGRAPH_DMA_START_0,
73         NV04_PGRAPH_DMA_START_1,
74         NV04_PGRAPH_DMA_LENGTH,
75         NV04_PGRAPH_DMA_MISC,
76         NV04_PGRAPH_DMA_PITCH,
77         NV04_PGRAPH_BOFFSET0,
78         NV04_PGRAPH_BBASE0,
79         NV04_PGRAPH_BLIMIT0,
80         NV04_PGRAPH_BOFFSET1,
81         NV04_PGRAPH_BBASE1,
82         NV04_PGRAPH_BLIMIT1,
83         NV04_PGRAPH_BOFFSET2,
84         NV04_PGRAPH_BBASE2,
85         NV04_PGRAPH_BLIMIT2,
86         NV04_PGRAPH_BOFFSET3,
87         NV04_PGRAPH_BBASE3,
88         NV04_PGRAPH_BLIMIT3,
89         NV04_PGRAPH_BOFFSET4,
90         NV04_PGRAPH_BBASE4,
91         NV04_PGRAPH_BLIMIT4,
92         NV04_PGRAPH_BOFFSET5,
93         NV04_PGRAPH_BBASE5,
94         NV04_PGRAPH_BLIMIT5,
95         NV04_PGRAPH_BPITCH0,
96         NV04_PGRAPH_BPITCH1,
97         NV04_PGRAPH_BPITCH2,
98         NV04_PGRAPH_BPITCH3,
99         NV04_PGRAPH_BPITCH4,
100         NV04_PGRAPH_SURFACE,
101         NV04_PGRAPH_STATE,
102         NV04_PGRAPH_BSWIZZLE2,
103         NV04_PGRAPH_BSWIZZLE5,
104         NV04_PGRAPH_BPIXEL,
105         NV04_PGRAPH_NOTIFY,
106         NV04_PGRAPH_PATT_COLOR0,
107         NV04_PGRAPH_PATT_COLOR1,
108         NV04_PGRAPH_PATT_COLORRAM+0x00,
109         NV04_PGRAPH_PATT_COLORRAM+0x04,
110         NV04_PGRAPH_PATT_COLORRAM+0x08,
111         NV04_PGRAPH_PATT_COLORRAM+0x0c,
112         NV04_PGRAPH_PATT_COLORRAM+0x10,
113         NV04_PGRAPH_PATT_COLORRAM+0x14,
114         NV04_PGRAPH_PATT_COLORRAM+0x18,
115         NV04_PGRAPH_PATT_COLORRAM+0x1c,
116         NV04_PGRAPH_PATT_COLORRAM+0x20,
117         NV04_PGRAPH_PATT_COLORRAM+0x24,
118         NV04_PGRAPH_PATT_COLORRAM+0x28,
119         NV04_PGRAPH_PATT_COLORRAM+0x2c,
120         NV04_PGRAPH_PATT_COLORRAM+0x30,
121         NV04_PGRAPH_PATT_COLORRAM+0x34,
122         NV04_PGRAPH_PATT_COLORRAM+0x38,
123         NV04_PGRAPH_PATT_COLORRAM+0x3c,
124         NV04_PGRAPH_PATT_COLORRAM+0x40,
125         NV04_PGRAPH_PATT_COLORRAM+0x44,
126         NV04_PGRAPH_PATT_COLORRAM+0x48,
127         NV04_PGRAPH_PATT_COLORRAM+0x4c,
128         NV04_PGRAPH_PATT_COLORRAM+0x50,
129         NV04_PGRAPH_PATT_COLORRAM+0x54,
130         NV04_PGRAPH_PATT_COLORRAM+0x58,
131         NV04_PGRAPH_PATT_COLORRAM+0x5c,
132         NV04_PGRAPH_PATT_COLORRAM+0x60,
133         NV04_PGRAPH_PATT_COLORRAM+0x64,
134         NV04_PGRAPH_PATT_COLORRAM+0x68,
135         NV04_PGRAPH_PATT_COLORRAM+0x6c,
136         NV04_PGRAPH_PATT_COLORRAM+0x70,
137         NV04_PGRAPH_PATT_COLORRAM+0x74,
138         NV04_PGRAPH_PATT_COLORRAM+0x78,
139         NV04_PGRAPH_PATT_COLORRAM+0x7c,
140         NV04_PGRAPH_PATT_COLORRAM+0x80,
141         NV04_PGRAPH_PATT_COLORRAM+0x84,
142         NV04_PGRAPH_PATT_COLORRAM+0x88,
143         NV04_PGRAPH_PATT_COLORRAM+0x8c,
144         NV04_PGRAPH_PATT_COLORRAM+0x90,
145         NV04_PGRAPH_PATT_COLORRAM+0x94,
146         NV04_PGRAPH_PATT_COLORRAM+0x98,
147         NV04_PGRAPH_PATT_COLORRAM+0x9c,
148         NV04_PGRAPH_PATT_COLORRAM+0xa0,
149         NV04_PGRAPH_PATT_COLORRAM+0xa4,
150         NV04_PGRAPH_PATT_COLORRAM+0xa8,
151         NV04_PGRAPH_PATT_COLORRAM+0xac,
152         NV04_PGRAPH_PATT_COLORRAM+0xb0,
153         NV04_PGRAPH_PATT_COLORRAM+0xb4,
154         NV04_PGRAPH_PATT_COLORRAM+0xb8,
155         NV04_PGRAPH_PATT_COLORRAM+0xbc,
156         NV04_PGRAPH_PATT_COLORRAM+0xc0,
157         NV04_PGRAPH_PATT_COLORRAM+0xc4,
158         NV04_PGRAPH_PATT_COLORRAM+0xc8,
159         NV04_PGRAPH_PATT_COLORRAM+0xcc,
160         NV04_PGRAPH_PATT_COLORRAM+0xd0,
161         NV04_PGRAPH_PATT_COLORRAM+0xd4,
162         NV04_PGRAPH_PATT_COLORRAM+0xd8,
163         NV04_PGRAPH_PATT_COLORRAM+0xdc,
164         NV04_PGRAPH_PATT_COLORRAM+0xe0,
165         NV04_PGRAPH_PATT_COLORRAM+0xe4,
166         NV04_PGRAPH_PATT_COLORRAM+0xe8,
167         NV04_PGRAPH_PATT_COLORRAM+0xec,
168         NV04_PGRAPH_PATT_COLORRAM+0xf0,
169         NV04_PGRAPH_PATT_COLORRAM+0xf4,
170         NV04_PGRAPH_PATT_COLORRAM+0xf8,
171         NV04_PGRAPH_PATT_COLORRAM+0xfc,
172         NV04_PGRAPH_PATTERN,
173         0x0040080c,
174         NV04_PGRAPH_PATTERN_SHAPE,
175         0x00400600,
176         NV04_PGRAPH_ROP3,
177         NV04_PGRAPH_CHROMA,
178         NV04_PGRAPH_BETA_AND,
179         NV04_PGRAPH_BETA_PREMULT,
180         NV04_PGRAPH_CONTROL0,
181         NV04_PGRAPH_CONTROL1,
182         NV04_PGRAPH_CONTROL2,
183         NV04_PGRAPH_BLEND,
184         NV04_PGRAPH_STORED_FMT,
185         NV04_PGRAPH_SOURCE_COLOR,
186         0x00400560,
187         0x00400568,
188         0x00400564,
189         0x0040056c,
190         0x00400400,
191         0x00400480,
192         0x00400404,
193         0x00400484,
194         0x00400408,
195         0x00400488,
196         0x0040040c,
197         0x0040048c,
198         0x00400410,
199         0x00400490,
200         0x00400414,
201         0x00400494,
202         0x00400418,
203         0x00400498,
204         0x0040041c,
205         0x0040049c,
206         0x00400420,
207         0x004004a0,
208         0x00400424,
209         0x004004a4,
210         0x00400428,
211         0x004004a8,
212         0x0040042c,
213         0x004004ac,
214         0x00400430,
215         0x004004b0,
216         0x00400434,
217         0x004004b4,
218         0x00400438,
219         0x004004b8,
220         0x0040043c,
221         0x004004bc,
222         0x00400440,
223         0x004004c0,
224         0x00400444,
225         0x004004c4,
226         0x00400448,
227         0x004004c8,
228         0x0040044c,
229         0x004004cc,
230         0x00400450,
231         0x004004d0,
232         0x00400454,
233         0x004004d4,
234         0x00400458,
235         0x004004d8,
236         0x0040045c,
237         0x004004dc,
238         0x00400460,
239         0x004004e0,
240         0x00400464,
241         0x004004e4,
242         0x00400468,
243         0x004004e8,
244         0x0040046c,
245         0x004004ec,
246         0x00400470,
247         0x004004f0,
248         0x00400474,
249         0x004004f4,
250         0x00400478,
251         0x004004f8,
252         0x0040047c,
253         0x004004fc,
254         0x00400534,
255         0x00400538,
256         0x00400514,
257         0x00400518,
258         0x0040051c,
259         0x00400520,
260         0x00400524,
261         0x00400528,
262         0x0040052c,
263         0x00400530,
264         0x00400d00,
265         0x00400d40,
266         0x00400d80,
267         0x00400d04,
268         0x00400d44,
269         0x00400d84,
270         0x00400d08,
271         0x00400d48,
272         0x00400d88,
273         0x00400d0c,
274         0x00400d4c,
275         0x00400d8c,
276         0x00400d10,
277         0x00400d50,
278         0x00400d90,
279         0x00400d14,
280         0x00400d54,
281         0x00400d94,
282         0x00400d18,
283         0x00400d58,
284         0x00400d98,
285         0x00400d1c,
286         0x00400d5c,
287         0x00400d9c,
288         0x00400d20,
289         0x00400d60,
290         0x00400da0,
291         0x00400d24,
292         0x00400d64,
293         0x00400da4,
294         0x00400d28,
295         0x00400d68,
296         0x00400da8,
297         0x00400d2c,
298         0x00400d6c,
299         0x00400dac,
300         0x00400d30,
301         0x00400d70,
302         0x00400db0,
303         0x00400d34,
304         0x00400d74,
305         0x00400db4,
306         0x00400d38,
307         0x00400d78,
308         0x00400db8,
309         0x00400d3c,
310         0x00400d7c,
311         0x00400dbc,
312         0x00400590,
313         0x00400594,
314         0x00400598,
315         0x0040059c,
316         0x004005a8,
317         0x004005ac,
318         0x004005b0,
319         0x004005b4,
320         0x004005c0,
321         0x004005c4,
322         0x004005c8,
323         0x004005cc,
324         0x004005d0,
325         0x004005d4,
326         0x004005d8,
327         0x004005dc,
328         0x004005e0,
329         NV04_PGRAPH_PASSTHRU_0,
330         NV04_PGRAPH_PASSTHRU_1,
331         NV04_PGRAPH_PASSTHRU_2,
332         NV04_PGRAPH_DVD_COLORFMT,
333         NV04_PGRAPH_SCALED_FORMAT,
334         NV04_PGRAPH_MISC24_0,
335         NV04_PGRAPH_MISC24_1,
336         NV04_PGRAPH_MISC24_2,
337         0x00400500,
338         0x00400504,
339         NV04_PGRAPH_VALID1,
340         NV04_PGRAPH_VALID2,
341         NV04_PGRAPH_DEBUG_3
342 };
343
344 struct graph_state {
345         uint32_t nv04[ARRAY_SIZE(nv04_graph_ctx_regs)];
346 };
347
348 struct nouveau_channel *
349 nv04_graph_channel(struct drm_device *dev)
350 {
351         struct drm_nouveau_private *dev_priv = dev->dev_private;
352         int chid = dev_priv->engine.fifo.channels;
353
354         if (nv_rd32(dev, NV04_PGRAPH_CTX_CONTROL) & 0x00010000)
355                 chid = nv_rd32(dev, NV04_PGRAPH_CTX_USER) >> 24;
356
357         if (chid >= dev_priv->engine.fifo.channels)
358                 return NULL;
359
360         return dev_priv->fifos[chid];
361 }
362
363 void
364 nv04_graph_context_switch(struct drm_device *dev)
365 {
366         struct drm_nouveau_private *dev_priv = dev->dev_private;
367         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
368         struct nouveau_channel *chan = NULL;
369         int chid;
370
371         pgraph->fifo_access(dev, false);
372         nouveau_wait_for_idle(dev);
373
374         /* If previous context is valid, we need to save it */
375         pgraph->unload_context(dev);
376
377         /* Load context for next channel */
378         chid = dev_priv->engine.fifo.channel_id(dev);
379         chan = dev_priv->fifos[chid];
380         if (chan)
381                 nv04_graph_load_context(chan);
382
383         pgraph->fifo_access(dev, true);
384 }
385
386 static uint32_t *ctx_reg(struct graph_state *ctx, uint32_t reg)
387 {
388         int i;
389
390         for (i = 0; i < ARRAY_SIZE(nv04_graph_ctx_regs); i++) {
391                 if (nv04_graph_ctx_regs[i] == reg)
392                         return &ctx->nv04[i];
393         }
394
395         return NULL;
396 }
397
398 int nv04_graph_create_context(struct nouveau_channel *chan)
399 {
400         struct graph_state *pgraph_ctx;
401         NV_DEBUG(chan->dev, "nv04_graph_context_create %d\n", chan->id);
402
403         chan->pgraph_ctx = pgraph_ctx = kzalloc(sizeof(*pgraph_ctx),
404                                                 GFP_KERNEL);
405         if (pgraph_ctx == NULL)
406                 return -ENOMEM;
407
408         *ctx_reg(pgraph_ctx, NV04_PGRAPH_DEBUG_3) = 0xfad4ff31;
409
410         return 0;
411 }
412
413 void nv04_graph_destroy_context(struct nouveau_channel *chan)
414 {
415         struct graph_state *pgraph_ctx = chan->pgraph_ctx;
416
417         kfree(pgraph_ctx);
418         chan->pgraph_ctx = NULL;
419 }
420
421 int nv04_graph_load_context(struct nouveau_channel *chan)
422 {
423         struct drm_device *dev = chan->dev;
424         struct graph_state *pgraph_ctx = chan->pgraph_ctx;
425         uint32_t tmp;
426         int i;
427
428         for (i = 0; i < ARRAY_SIZE(nv04_graph_ctx_regs); i++)
429                 nv_wr32(dev, nv04_graph_ctx_regs[i], pgraph_ctx->nv04[i]);
430
431         nv_wr32(dev, NV04_PGRAPH_CTX_CONTROL, 0x10010100);
432
433         tmp  = nv_rd32(dev, NV04_PGRAPH_CTX_USER) & 0x00ffffff;
434         nv_wr32(dev, NV04_PGRAPH_CTX_USER, tmp | chan->id << 24);
435
436         tmp = nv_rd32(dev, NV04_PGRAPH_FFINTFC_ST2);
437         nv_wr32(dev, NV04_PGRAPH_FFINTFC_ST2, tmp & 0x000fffff);
438
439         return 0;
440 }
441
442 int
443 nv04_graph_unload_context(struct drm_device *dev)
444 {
445         struct drm_nouveau_private *dev_priv = dev->dev_private;
446         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
447         struct nouveau_channel *chan = NULL;
448         struct graph_state *ctx;
449         uint32_t tmp;
450         int i;
451
452         chan = pgraph->channel(dev);
453         if (!chan)
454                 return 0;
455         ctx = chan->pgraph_ctx;
456
457         for (i = 0; i < ARRAY_SIZE(nv04_graph_ctx_regs); i++)
458                 ctx->nv04[i] = nv_rd32(dev, nv04_graph_ctx_regs[i]);
459
460         nv_wr32(dev, NV04_PGRAPH_CTX_CONTROL, 0x10000000);
461         tmp  = nv_rd32(dev, NV04_PGRAPH_CTX_USER) & 0x00ffffff;
462         tmp |= (dev_priv->engine.fifo.channels - 1) << 24;
463         nv_wr32(dev, NV04_PGRAPH_CTX_USER, tmp);
464         return 0;
465 }
466
467 int nv04_graph_init(struct drm_device *dev)
468 {
469         struct drm_nouveau_private *dev_priv = dev->dev_private;
470         uint32_t tmp;
471
472         nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) &
473                         ~NV_PMC_ENABLE_PGRAPH);
474         nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
475                          NV_PMC_ENABLE_PGRAPH);
476
477         /* Enable PGRAPH interrupts */
478         nv_wr32(dev, NV03_PGRAPH_INTR, 0xFFFFFFFF);
479         nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
480
481         nv_wr32(dev, NV04_PGRAPH_VALID1, 0);
482         nv_wr32(dev, NV04_PGRAPH_VALID2, 0);
483         /*nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x000001FF);
484         nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x001FFFFF);*/
485         nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x1231c000);
486         /*1231C000 blob, 001 haiku*/
487         //*V_WRITE(NV04_PGRAPH_DEBUG_1, 0xf2d91100);*/
488         nv_wr32(dev, NV04_PGRAPH_DEBUG_1, 0x72111100);
489         /*0x72111100 blob , 01 haiku*/
490         /*nv_wr32(dev, NV04_PGRAPH_DEBUG_2, 0x11d5f870);*/
491         nv_wr32(dev, NV04_PGRAPH_DEBUG_2, 0x11d5f071);
492         /*haiku same*/
493
494         /*nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xfad4ff31);*/
495         nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xf0d4ff31);
496         /*haiku and blob 10d4*/
497
498         nv_wr32(dev, NV04_PGRAPH_STATE        , 0xFFFFFFFF);
499         nv_wr32(dev, NV04_PGRAPH_CTX_CONTROL  , 0x10000100);
500         tmp  = nv_rd32(dev, NV04_PGRAPH_CTX_USER) & 0x00ffffff;
501         tmp |= (dev_priv->engine.fifo.channels - 1) << 24;
502         nv_wr32(dev, NV04_PGRAPH_CTX_USER, tmp);
503
504         /* These don't belong here, they're part of a per-channel context */
505         nv_wr32(dev, NV04_PGRAPH_PATTERN_SHAPE, 0x00000000);
506         nv_wr32(dev, NV04_PGRAPH_BETA_AND     , 0xFFFFFFFF);
507
508         return 0;
509 }
510
511 void nv04_graph_takedown(struct drm_device *dev)
512 {
513 }
514
515 void
516 nv04_graph_fifo_access(struct drm_device *dev, bool enabled)
517 {
518         if (enabled)
519                 nv_wr32(dev, NV04_PGRAPH_FIFO,
520                                         nv_rd32(dev, NV04_PGRAPH_FIFO) | 1);
521         else
522                 nv_wr32(dev, NV04_PGRAPH_FIFO,
523                                         nv_rd32(dev, NV04_PGRAPH_FIFO) & ~1);
524 }
525
526 static int
527 nv04_graph_mthd_set_ref(struct nouveau_channel *chan, int grclass,
528                         int mthd, uint32_t data)
529 {
530         atomic_set(&chan->fence.last_sequence_irq, data);
531         return 0;
532 }
533
534 /*
535  * Software methods, why they are needed, and how they all work:
536  *
537  * NV04 and NV05 keep most of the state in PGRAPH context itself, but some
538  * 2d engine settings are kept inside the grobjs themselves. The grobjs are
539  * 3 words long on both. grobj format on NV04 is:
540  *
541  * word 0:
542  *  - bits 0-7: class
543  *  - bit 12: color key active
544  *  - bit 13: clip rect active
545  *  - bit 14: if set, destination surface is swizzled and taken from buffer 5
546  *            [set by NV04_SWIZZLED_SURFACE], otherwise it's linear and taken
547  *            from buffer 0 [set by NV04_CONTEXT_SURFACES_2D or
548  *            NV03_CONTEXT_SURFACE_DST].
549  *  - bits 15-17: 2d operation [aka patch config]
550  *  - bit 24: patch valid [enables rendering using this object]
551  *  - bit 25: surf3d valid [for tex_tri and multitex_tri only]
552  * word 1:
553  *  - bits 0-1: mono format
554  *  - bits 8-13: color format
555  *  - bits 16-31: DMA_NOTIFY instance
556  * word 2:
557  *  - bits 0-15: DMA_A instance
558  *  - bits 16-31: DMA_B instance
559  *
560  * On NV05 it's:
561  *
562  * word 0:
563  *  - bits 0-7: class
564  *  - bit 12: color key active
565  *  - bit 13: clip rect active
566  *  - bit 14: if set, destination surface is swizzled and taken from buffer 5
567  *            [set by NV04_SWIZZLED_SURFACE], otherwise it's linear and taken
568  *            from buffer 0 [set by NV04_CONTEXT_SURFACES_2D or
569  *            NV03_CONTEXT_SURFACE_DST].
570  *  - bits 15-17: 2d operation [aka patch config]
571  *  - bits 20-22: dither mode
572  *  - bit 24: patch valid [enables rendering using this object]
573  *  - bit 25: surface_dst/surface_color/surf2d/surf3d valid
574  *  - bit 26: surface_src/surface_zeta valid
575  *  - bit 27: pattern valid
576  *  - bit 28: rop valid
577  *  - bit 29: beta1 valid
578  *  - bit 30: beta4 valid
579  * word 1:
580  *  - bits 0-1: mono format
581  *  - bits 8-13: color format
582  *  - bits 16-31: DMA_NOTIFY instance
583  * word 2:
584  *  - bits 0-15: DMA_A instance
585  *  - bits 16-31: DMA_B instance
586  *
587  * NV05 will set/unset the relevant valid bits when you poke the relevant
588  * object-binding methods with object of the proper type, or with the NULL
589  * type. It'll only allow rendering using the grobj if all needed objects
590  * are bound. The needed set of objects depends on selected operation: for
591  * example rop object is needed by ROP_AND, but not by SRCCOPY_AND.
592  *
593  * NV04 doesn't have these methods implemented at all, and doesn't have the
594  * relevant bits in grobj. Instead, it'll allow rendering whenever bit 24
595  * is set. So we have to emulate them in software, internally keeping the
596  * same bits as NV05 does. Since grobjs are aligned to 16 bytes on nv04,
597  * but the last word isn't actually used for anything, we abuse it for this
598  * purpose.
599  *
600  * Actually, NV05 can optionally check bit 24 too, but we disable this since
601  * there's no use for it.
602  *
603  * For unknown reasons, NV04 implements surf3d binding in hardware as an
604  * exception. Also for unknown reasons, NV04 doesn't implement the clipping
605  * methods on the surf3d object, so we have to emulate them too.
606  */
607
608 static void
609 nv04_graph_set_ctx1(struct nouveau_channel *chan, uint32_t mask, uint32_t value)
610 {
611         struct drm_device *dev = chan->dev;
612         uint32_t instance = (nv_rd32(dev, NV04_PGRAPH_CTX_SWITCH4) & 0xffff) << 4;
613         int subc = (nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR) >> 13) & 0x7;
614         uint32_t tmp;
615
616         tmp  = nv_ri32(dev, instance);
617         tmp &= ~mask;
618         tmp |= value;
619
620         nv_wi32(dev, instance, tmp);
621         nv_wr32(dev, NV04_PGRAPH_CTX_SWITCH1, tmp);
622         nv_wr32(dev, NV04_PGRAPH_CTX_CACHE1 + (subc<<2), tmp);
623 }
624
625 static void
626 nv04_graph_set_ctx_val(struct nouveau_channel *chan, uint32_t mask, uint32_t value)
627 {
628         struct drm_device *dev = chan->dev;
629         uint32_t instance = (nv_rd32(dev, NV04_PGRAPH_CTX_SWITCH4) & 0xffff) << 4;
630         uint32_t tmp, ctx1;
631         int class, op, valid = 1;
632
633         ctx1 = nv_ri32(dev, instance);
634         class = ctx1 & 0xff;
635         op = (ctx1 >> 15) & 7;
636         tmp  = nv_ri32(dev, instance + 0xc);
637         tmp &= ~mask;
638         tmp |= value;
639         nv_wi32(dev, instance + 0xc, tmp);
640
641         /* check for valid surf2d/surf_dst/surf_color */
642         if (!(tmp & 0x02000000))
643                 valid = 0;
644         /* check for valid surf_src/surf_zeta */
645         if ((class == 0x1f || class == 0x48) && !(tmp & 0x04000000))
646                 valid = 0;
647
648         switch (op) {
649         /* SRCCOPY_AND, SRCCOPY: no extra objects required */
650         case 0:
651         case 3:
652                 break;
653         /* ROP_AND: requires pattern and rop */
654         case 1:
655                 if (!(tmp & 0x18000000))
656                         valid = 0;
657                 break;
658         /* BLEND_AND: requires beta1 */
659         case 2:
660                 if (!(tmp & 0x20000000))
661                         valid = 0;
662                 break;
663         /* SRCCOPY_PREMULT, BLEND_PREMULT: beta4 required */
664         case 4:
665         case 5:
666                 if (!(tmp & 0x40000000))
667                         valid = 0;
668                 break;
669         }
670
671         nv04_graph_set_ctx1(chan, 0x01000000, valid << 24);
672 }
673
674 static int
675 nv04_graph_mthd_set_operation(struct nouveau_channel *chan, int grclass,
676                               int mthd, uint32_t data)
677 {
678         if (data > 5)
679                 return 1;
680         /* Old versions of the objects only accept first three operations. */
681         if (data > 2 && grclass < 0x40)
682                 return 1;
683         nv04_graph_set_ctx1(chan, 0x00038000, data << 15);
684         /* changing operation changes set of objects needed for validation */
685         nv04_graph_set_ctx_val(chan, 0, 0);
686         return 0;
687 }
688
689 static int
690 nv04_graph_mthd_surf3d_clip_h(struct nouveau_channel *chan, int grclass,
691                               int mthd, uint32_t data)
692 {
693         uint32_t min = data & 0xffff, max;
694         uint32_t w = data >> 16;
695         if (min & 0x8000)
696                 /* too large */
697                 return 1;
698         if (w & 0x8000)
699                 /* yes, it accepts negative for some reason. */
700                 w |= 0xffff0000;
701         max = min + w;
702         max &= 0x3ffff;
703         nv_wr32(chan->dev, 0x40053c, min);
704         nv_wr32(chan->dev, 0x400544, max);
705         return 0;
706 }
707
708 static int
709 nv04_graph_mthd_surf3d_clip_v(struct nouveau_channel *chan, int grclass,
710                               int mthd, uint32_t data)
711 {
712         uint32_t min = data & 0xffff, max;
713         uint32_t w = data >> 16;
714         if (min & 0x8000)
715                 /* too large */
716                 return 1;
717         if (w & 0x8000)
718                 /* yes, it accepts negative for some reason. */
719                 w |= 0xffff0000;
720         max = min + w;
721         max &= 0x3ffff;
722         nv_wr32(chan->dev, 0x400540, min);
723         nv_wr32(chan->dev, 0x400548, max);
724         return 0;
725 }
726
727 static int
728 nv04_graph_mthd_bind_surf2d(struct nouveau_channel *chan, int grclass,
729                               int mthd, uint32_t data)
730 {
731         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
732         case 0x30:
733                 nv04_graph_set_ctx1(chan, 0x00004000, 0);
734                 nv04_graph_set_ctx_val(chan, 0x02000000, 0);
735                 return 0;
736         case 0x42:
737                 nv04_graph_set_ctx1(chan, 0x00004000, 0);
738                 nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
739                 return 0;
740         }
741         return 1;
742 }
743
744 static int
745 nv04_graph_mthd_bind_surf2d_swzsurf(struct nouveau_channel *chan, int grclass,
746                               int mthd, uint32_t data)
747 {
748         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
749         case 0x30:
750                 nv04_graph_set_ctx1(chan, 0x00004000, 0);
751                 nv04_graph_set_ctx_val(chan, 0x02000000, 0);
752                 return 0;
753         case 0x42:
754                 nv04_graph_set_ctx1(chan, 0x00004000, 0);
755                 nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
756                 return 0;
757         case 0x52:
758                 nv04_graph_set_ctx1(chan, 0x00004000, 0x00004000);
759                 nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
760                 return 0;
761         }
762         return 1;
763 }
764
765 static int
766 nv04_graph_mthd_bind_nv01_patt(struct nouveau_channel *chan, int grclass,
767                               int mthd, uint32_t data)
768 {
769         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
770         case 0x30:
771                 nv04_graph_set_ctx_val(chan, 0x08000000, 0);
772                 return 0;
773         case 0x18:
774                 nv04_graph_set_ctx_val(chan, 0x08000000, 0x08000000);
775                 return 0;
776         }
777         return 1;
778 }
779
780 static int
781 nv04_graph_mthd_bind_nv04_patt(struct nouveau_channel *chan, int grclass,
782                               int mthd, uint32_t data)
783 {
784         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
785         case 0x30:
786                 nv04_graph_set_ctx_val(chan, 0x08000000, 0);
787                 return 0;
788         case 0x44:
789                 nv04_graph_set_ctx_val(chan, 0x08000000, 0x08000000);
790                 return 0;
791         }
792         return 1;
793 }
794
795 static int
796 nv04_graph_mthd_bind_rop(struct nouveau_channel *chan, int grclass,
797                               int mthd, uint32_t data)
798 {
799         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
800         case 0x30:
801                 nv04_graph_set_ctx_val(chan, 0x10000000, 0);
802                 return 0;
803         case 0x43:
804                 nv04_graph_set_ctx_val(chan, 0x10000000, 0x10000000);
805                 return 0;
806         }
807         return 1;
808 }
809
810 static int
811 nv04_graph_mthd_bind_beta1(struct nouveau_channel *chan, int grclass,
812                               int mthd, uint32_t data)
813 {
814         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
815         case 0x30:
816                 nv04_graph_set_ctx_val(chan, 0x20000000, 0);
817                 return 0;
818         case 0x12:
819                 nv04_graph_set_ctx_val(chan, 0x20000000, 0x20000000);
820                 return 0;
821         }
822         return 1;
823 }
824
825 static int
826 nv04_graph_mthd_bind_beta4(struct nouveau_channel *chan, int grclass,
827                               int mthd, uint32_t data)
828 {
829         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
830         case 0x30:
831                 nv04_graph_set_ctx_val(chan, 0x40000000, 0);
832                 return 0;
833         case 0x72:
834                 nv04_graph_set_ctx_val(chan, 0x40000000, 0x40000000);
835                 return 0;
836         }
837         return 1;
838 }
839
840 static int
841 nv04_graph_mthd_bind_surf_dst(struct nouveau_channel *chan, int grclass,
842                               int mthd, uint32_t data)
843 {
844         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
845         case 0x30:
846                 nv04_graph_set_ctx_val(chan, 0x02000000, 0);
847                 return 0;
848         case 0x58:
849                 nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
850                 return 0;
851         }
852         return 1;
853 }
854
855 static int
856 nv04_graph_mthd_bind_surf_src(struct nouveau_channel *chan, int grclass,
857                               int mthd, uint32_t data)
858 {
859         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
860         case 0x30:
861                 nv04_graph_set_ctx_val(chan, 0x04000000, 0);
862                 return 0;
863         case 0x59:
864                 nv04_graph_set_ctx_val(chan, 0x04000000, 0x04000000);
865                 return 0;
866         }
867         return 1;
868 }
869
870 static int
871 nv04_graph_mthd_bind_surf_color(struct nouveau_channel *chan, int grclass,
872                               int mthd, uint32_t data)
873 {
874         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
875         case 0x30:
876                 nv04_graph_set_ctx_val(chan, 0x02000000, 0);
877                 return 0;
878         case 0x5a:
879                 nv04_graph_set_ctx_val(chan, 0x02000000, 0x02000000);
880                 return 0;
881         }
882         return 1;
883 }
884
885 static int
886 nv04_graph_mthd_bind_surf_zeta(struct nouveau_channel *chan, int grclass,
887                               int mthd, uint32_t data)
888 {
889         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
890         case 0x30:
891                 nv04_graph_set_ctx_val(chan, 0x04000000, 0);
892                 return 0;
893         case 0x5b:
894                 nv04_graph_set_ctx_val(chan, 0x04000000, 0x04000000);
895                 return 0;
896         }
897         return 1;
898 }
899
900 static int
901 nv04_graph_mthd_bind_clip(struct nouveau_channel *chan, int grclass,
902                               int mthd, uint32_t data)
903 {
904         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
905         case 0x30:
906                 nv04_graph_set_ctx1(chan, 0x2000, 0);
907                 return 0;
908         case 0x19:
909                 nv04_graph_set_ctx1(chan, 0x2000, 0x2000);
910                 return 0;
911         }
912         return 1;
913 }
914
915 static int
916 nv04_graph_mthd_bind_chroma(struct nouveau_channel *chan, int grclass,
917                               int mthd, uint32_t data)
918 {
919         switch (nv_ri32(chan->dev, data << 4) & 0xff) {
920         case 0x30:
921                 nv04_graph_set_ctx1(chan, 0x1000, 0);
922                 return 0;
923         /* Yes, for some reason even the old versions of objects
924          * accept 0x57 and not 0x17. Consistency be damned.
925          */
926         case 0x57:
927                 nv04_graph_set_ctx1(chan, 0x1000, 0x1000);
928                 return 0;
929         }
930         return 1;
931 }
932
933 static struct nouveau_pgraph_object_method nv04_graph_mthds_sw[] = {
934         { 0x0150, nv04_graph_mthd_set_ref },
935         {}
936 };
937
938 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_gdirect[] = {
939         { 0x0184, nv04_graph_mthd_bind_nv01_patt },
940         { 0x0188, nv04_graph_mthd_bind_rop },
941         { 0x018c, nv04_graph_mthd_bind_beta1 },
942         { 0x0190, nv04_graph_mthd_bind_surf_dst },
943         { 0x02fc, nv04_graph_mthd_set_operation },
944         {},
945 };
946
947 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_gdirect[] = {
948         { 0x0188, nv04_graph_mthd_bind_nv04_patt },
949         { 0x018c, nv04_graph_mthd_bind_rop },
950         { 0x0190, nv04_graph_mthd_bind_beta1 },
951         { 0x0194, nv04_graph_mthd_bind_beta4 },
952         { 0x0198, nv04_graph_mthd_bind_surf2d },
953         { 0x02fc, nv04_graph_mthd_set_operation },
954         {},
955 };
956
957 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv01_imageblit[] = {
958         { 0x0184, nv04_graph_mthd_bind_chroma },
959         { 0x0188, nv04_graph_mthd_bind_clip },
960         { 0x018c, nv04_graph_mthd_bind_nv01_patt },
961         { 0x0190, nv04_graph_mthd_bind_rop },
962         { 0x0194, nv04_graph_mthd_bind_beta1 },
963         { 0x0198, nv04_graph_mthd_bind_surf_dst },
964         { 0x019c, nv04_graph_mthd_bind_surf_src },
965         { 0x02fc, nv04_graph_mthd_set_operation },
966         {},
967 };
968
969 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_imageblit_ifc[] = {
970         { 0x0184, nv04_graph_mthd_bind_chroma },
971         { 0x0188, nv04_graph_mthd_bind_clip },
972         { 0x018c, nv04_graph_mthd_bind_nv04_patt },
973         { 0x0190, nv04_graph_mthd_bind_rop },
974         { 0x0194, nv04_graph_mthd_bind_beta1 },
975         { 0x0198, nv04_graph_mthd_bind_beta4 },
976         { 0x019c, nv04_graph_mthd_bind_surf2d },
977         { 0x02fc, nv04_graph_mthd_set_operation },
978         {},
979 };
980
981 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_iifc[] = {
982         { 0x0188, nv04_graph_mthd_bind_chroma },
983         { 0x018c, nv04_graph_mthd_bind_clip },
984         { 0x0190, nv04_graph_mthd_bind_nv04_patt },
985         { 0x0194, nv04_graph_mthd_bind_rop },
986         { 0x0198, nv04_graph_mthd_bind_beta1 },
987         { 0x019c, nv04_graph_mthd_bind_beta4 },
988         { 0x01a0, nv04_graph_mthd_bind_surf2d_swzsurf },
989         { 0x03e4, nv04_graph_mthd_set_operation },
990         {},
991 };
992
993 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv01_ifc[] = {
994         { 0x0184, nv04_graph_mthd_bind_chroma },
995         { 0x0188, nv04_graph_mthd_bind_clip },
996         { 0x018c, nv04_graph_mthd_bind_nv01_patt },
997         { 0x0190, nv04_graph_mthd_bind_rop },
998         { 0x0194, nv04_graph_mthd_bind_beta1 },
999         { 0x0198, nv04_graph_mthd_bind_surf_dst },
1000         { 0x02fc, nv04_graph_mthd_set_operation },
1001         {},
1002 };
1003
1004 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_sifc[] = {
1005         { 0x0184, nv04_graph_mthd_bind_chroma },
1006         { 0x0188, nv04_graph_mthd_bind_nv01_patt },
1007         { 0x018c, nv04_graph_mthd_bind_rop },
1008         { 0x0190, nv04_graph_mthd_bind_beta1 },
1009         { 0x0194, nv04_graph_mthd_bind_surf_dst },
1010         { 0x02fc, nv04_graph_mthd_set_operation },
1011         {},
1012 };
1013
1014 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_sifc[] = {
1015         { 0x0184, nv04_graph_mthd_bind_chroma },
1016         { 0x0188, nv04_graph_mthd_bind_nv04_patt },
1017         { 0x018c, nv04_graph_mthd_bind_rop },
1018         { 0x0190, nv04_graph_mthd_bind_beta1 },
1019         { 0x0194, nv04_graph_mthd_bind_beta4 },
1020         { 0x0198, nv04_graph_mthd_bind_surf2d },
1021         { 0x02fc, nv04_graph_mthd_set_operation },
1022         {},
1023 };
1024
1025 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_sifm[] = {
1026         { 0x0188, nv04_graph_mthd_bind_nv01_patt },
1027         { 0x018c, nv04_graph_mthd_bind_rop },
1028         { 0x0190, nv04_graph_mthd_bind_beta1 },
1029         { 0x0194, nv04_graph_mthd_bind_surf_dst },
1030         { 0x0304, nv04_graph_mthd_set_operation },
1031         {},
1032 };
1033
1034 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_sifm[] = {
1035         { 0x0188, nv04_graph_mthd_bind_nv04_patt },
1036         { 0x018c, nv04_graph_mthd_bind_rop },
1037         { 0x0190, nv04_graph_mthd_bind_beta1 },
1038         { 0x0194, nv04_graph_mthd_bind_beta4 },
1039         { 0x0198, nv04_graph_mthd_bind_surf2d_swzsurf },
1040         { 0x0304, nv04_graph_mthd_set_operation },
1041         {},
1042 };
1043
1044 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv01_shape[] = {
1045         { 0x0184, nv04_graph_mthd_bind_clip },
1046         { 0x0188, nv04_graph_mthd_bind_nv01_patt },
1047         { 0x018c, nv04_graph_mthd_bind_rop },
1048         { 0x0190, nv04_graph_mthd_bind_beta1 },
1049         { 0x0194, nv04_graph_mthd_bind_surf_dst },
1050         { 0x02fc, nv04_graph_mthd_set_operation },
1051         {},
1052 };
1053
1054 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv04_shape[] = {
1055         { 0x0184, nv04_graph_mthd_bind_clip },
1056         { 0x0188, nv04_graph_mthd_bind_nv04_patt },
1057         { 0x018c, nv04_graph_mthd_bind_rop },
1058         { 0x0190, nv04_graph_mthd_bind_beta1 },
1059         { 0x0194, nv04_graph_mthd_bind_beta4 },
1060         { 0x0198, nv04_graph_mthd_bind_surf2d },
1061         { 0x02fc, nv04_graph_mthd_set_operation },
1062         {},
1063 };
1064
1065 static struct nouveau_pgraph_object_method nv04_graph_mthds_nv03_tex_tri[] = {
1066         { 0x0188, nv04_graph_mthd_bind_clip },
1067         { 0x018c, nv04_graph_mthd_bind_surf_color },
1068         { 0x0190, nv04_graph_mthd_bind_surf_zeta },
1069         {},
1070 };
1071
1072 static struct nouveau_pgraph_object_method nv04_graph_mthds_surf3d[] = {
1073         { 0x02f8, nv04_graph_mthd_surf3d_clip_h },
1074         { 0x02fc, nv04_graph_mthd_surf3d_clip_v },
1075         {},
1076 };
1077
1078 struct nouveau_pgraph_object_class nv04_graph_grclass[] = {
1079         { 0x0038, false, NULL }, /* dvd subpicture */
1080         { 0x0039, false, NULL }, /* m2mf */
1081         { 0x004b, false, nv04_graph_mthds_nv03_gdirect }, /* nv03 gdirect */
1082         { 0x004a, false, nv04_graph_mthds_nv04_gdirect }, /* nv04 gdirect */
1083         { 0x001f, false, nv04_graph_mthds_nv01_imageblit }, /* nv01 imageblit */
1084         { 0x005f, false, nv04_graph_mthds_nv04_imageblit_ifc }, /* nv04 imageblit */
1085         { 0x0060, false, nv04_graph_mthds_nv04_iifc }, /* nv04 iifc */
1086         { 0x0064, false, NULL }, /* nv05 iifc */
1087         { 0x0021, false, nv04_graph_mthds_nv01_ifc }, /* nv01 ifc */
1088         { 0x0061, false, nv04_graph_mthds_nv04_imageblit_ifc }, /* nv04 ifc */
1089         { 0x0065, false, NULL }, /* nv05 ifc */
1090         { 0x0036, false, nv04_graph_mthds_nv03_sifc }, /* nv03 sifc */
1091         { 0x0076, false, nv04_graph_mthds_nv04_sifc }, /* nv04 sifc */
1092         { 0x0066, false, NULL }, /* nv05 sifc */
1093         { 0x0037, false, nv04_graph_mthds_nv03_sifm }, /* nv03 sifm */
1094         { 0x0077, false, nv04_graph_mthds_nv04_sifm }, /* nv04 sifm */
1095         { 0x0030, false, NULL }, /* null */
1096         { 0x0042, false, NULL }, /* surf2d */
1097         { 0x0043, false, NULL }, /* rop */
1098         { 0x0012, false, NULL }, /* beta1 */
1099         { 0x0072, false, NULL }, /* beta4 */
1100         { 0x0019, false, NULL }, /* cliprect */
1101         { 0x0018, false, NULL }, /* nv01 pattern */
1102         { 0x0044, false, NULL }, /* nv04 pattern */
1103         { 0x0052, false, NULL }, /* swzsurf */
1104         { 0x0053, false, nv04_graph_mthds_surf3d }, /* surf3d */
1105         { 0x0048, false, nv04_graph_mthds_nv03_tex_tri }, /* nv03 tex_tri */
1106         { 0x0054, false, NULL }, /* tex_tri */
1107         { 0x0055, false, NULL }, /* multitex_tri */
1108         { 0x0017, false, NULL }, /* nv01 chroma */
1109         { 0x0057, false, NULL }, /* nv04 chroma */
1110         { 0x0058, false, NULL }, /* surf_dst */
1111         { 0x0059, false, NULL }, /* surf_src */
1112         { 0x005a, false, NULL }, /* surf_color */
1113         { 0x005b, false, NULL }, /* surf_zeta */
1114         { 0x001c, false, nv04_graph_mthds_nv01_shape }, /* nv01 line */
1115         { 0x005c, false, nv04_graph_mthds_nv04_shape }, /* nv04 line */
1116         { 0x001d, false, nv04_graph_mthds_nv01_shape }, /* nv01 tri */
1117         { 0x005d, false, nv04_graph_mthds_nv04_shape }, /* nv04 tri */
1118         { 0x001e, false, nv04_graph_mthds_nv01_shape }, /* nv01 rect */
1119         { 0x005e, false, nv04_graph_mthds_nv04_shape }, /* nv04 rect */
1120         { 0x506e, true, nv04_graph_mthds_sw },
1121         {}
1122 };
1123