1 /*
2  * Copyright 2007 Matthieu CASTET <castet.matthieu@free.fr>
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  * paragr) 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 #include <engine/gr.h>
25 #include "regs.h"
26 
27 #include <core/client.h>
28 #include <core/handle.h>
29 #include <engine/fifo.h>
30 #include <subdev/fb.h>
31 
32 struct pipe_state {
33 	u32 pipe_0x0000[0x040/4];
34 	u32 pipe_0x0040[0x010/4];
35 	u32 pipe_0x0200[0x0c0/4];
36 	u32 pipe_0x4400[0x080/4];
37 	u32 pipe_0x6400[0x3b0/4];
38 	u32 pipe_0x6800[0x2f0/4];
39 	u32 pipe_0x6c00[0x030/4];
40 	u32 pipe_0x7000[0x130/4];
41 	u32 pipe_0x7400[0x0c0/4];
42 	u32 pipe_0x7800[0x0c0/4];
43 };
44 
45 static int nv10_gr_ctx_regs[] = {
46 	NV10_PGRAPH_CTX_SWITCH(0),
47 	NV10_PGRAPH_CTX_SWITCH(1),
48 	NV10_PGRAPH_CTX_SWITCH(2),
49 	NV10_PGRAPH_CTX_SWITCH(3),
50 	NV10_PGRAPH_CTX_SWITCH(4),
51 	NV10_PGRAPH_CTX_CACHE(0, 0),
52 	NV10_PGRAPH_CTX_CACHE(0, 1),
53 	NV10_PGRAPH_CTX_CACHE(0, 2),
54 	NV10_PGRAPH_CTX_CACHE(0, 3),
55 	NV10_PGRAPH_CTX_CACHE(0, 4),
56 	NV10_PGRAPH_CTX_CACHE(1, 0),
57 	NV10_PGRAPH_CTX_CACHE(1, 1),
58 	NV10_PGRAPH_CTX_CACHE(1, 2),
59 	NV10_PGRAPH_CTX_CACHE(1, 3),
60 	NV10_PGRAPH_CTX_CACHE(1, 4),
61 	NV10_PGRAPH_CTX_CACHE(2, 0),
62 	NV10_PGRAPH_CTX_CACHE(2, 1),
63 	NV10_PGRAPH_CTX_CACHE(2, 2),
64 	NV10_PGRAPH_CTX_CACHE(2, 3),
65 	NV10_PGRAPH_CTX_CACHE(2, 4),
66 	NV10_PGRAPH_CTX_CACHE(3, 0),
67 	NV10_PGRAPH_CTX_CACHE(3, 1),
68 	NV10_PGRAPH_CTX_CACHE(3, 2),
69 	NV10_PGRAPH_CTX_CACHE(3, 3),
70 	NV10_PGRAPH_CTX_CACHE(3, 4),
71 	NV10_PGRAPH_CTX_CACHE(4, 0),
72 	NV10_PGRAPH_CTX_CACHE(4, 1),
73 	NV10_PGRAPH_CTX_CACHE(4, 2),
74 	NV10_PGRAPH_CTX_CACHE(4, 3),
75 	NV10_PGRAPH_CTX_CACHE(4, 4),
76 	NV10_PGRAPH_CTX_CACHE(5, 0),
77 	NV10_PGRAPH_CTX_CACHE(5, 1),
78 	NV10_PGRAPH_CTX_CACHE(5, 2),
79 	NV10_PGRAPH_CTX_CACHE(5, 3),
80 	NV10_PGRAPH_CTX_CACHE(5, 4),
81 	NV10_PGRAPH_CTX_CACHE(6, 0),
82 	NV10_PGRAPH_CTX_CACHE(6, 1),
83 	NV10_PGRAPH_CTX_CACHE(6, 2),
84 	NV10_PGRAPH_CTX_CACHE(6, 3),
85 	NV10_PGRAPH_CTX_CACHE(6, 4),
86 	NV10_PGRAPH_CTX_CACHE(7, 0),
87 	NV10_PGRAPH_CTX_CACHE(7, 1),
88 	NV10_PGRAPH_CTX_CACHE(7, 2),
89 	NV10_PGRAPH_CTX_CACHE(7, 3),
90 	NV10_PGRAPH_CTX_CACHE(7, 4),
91 	NV10_PGRAPH_CTX_USER,
92 	NV04_PGRAPH_DMA_START_0,
93 	NV04_PGRAPH_DMA_START_1,
94 	NV04_PGRAPH_DMA_LENGTH,
95 	NV04_PGRAPH_DMA_MISC,
96 	NV10_PGRAPH_DMA_PITCH,
97 	NV04_PGRAPH_BOFFSET0,
98 	NV04_PGRAPH_BBASE0,
99 	NV04_PGRAPH_BLIMIT0,
100 	NV04_PGRAPH_BOFFSET1,
101 	NV04_PGRAPH_BBASE1,
102 	NV04_PGRAPH_BLIMIT1,
103 	NV04_PGRAPH_BOFFSET2,
104 	NV04_PGRAPH_BBASE2,
105 	NV04_PGRAPH_BLIMIT2,
106 	NV04_PGRAPH_BOFFSET3,
107 	NV04_PGRAPH_BBASE3,
108 	NV04_PGRAPH_BLIMIT3,
109 	NV04_PGRAPH_BOFFSET4,
110 	NV04_PGRAPH_BBASE4,
111 	NV04_PGRAPH_BLIMIT4,
112 	NV04_PGRAPH_BOFFSET5,
113 	NV04_PGRAPH_BBASE5,
114 	NV04_PGRAPH_BLIMIT5,
115 	NV04_PGRAPH_BPITCH0,
116 	NV04_PGRAPH_BPITCH1,
117 	NV04_PGRAPH_BPITCH2,
118 	NV04_PGRAPH_BPITCH3,
119 	NV04_PGRAPH_BPITCH4,
120 	NV10_PGRAPH_SURFACE,
121 	NV10_PGRAPH_STATE,
122 	NV04_PGRAPH_BSWIZZLE2,
123 	NV04_PGRAPH_BSWIZZLE5,
124 	NV04_PGRAPH_BPIXEL,
125 	NV10_PGRAPH_NOTIFY,
126 	NV04_PGRAPH_PATT_COLOR0,
127 	NV04_PGRAPH_PATT_COLOR1,
128 	NV04_PGRAPH_PATT_COLORRAM, /* 64 values from 0x400900 to 0x4009fc */
129 	0x00400904,
130 	0x00400908,
131 	0x0040090c,
132 	0x00400910,
133 	0x00400914,
134 	0x00400918,
135 	0x0040091c,
136 	0x00400920,
137 	0x00400924,
138 	0x00400928,
139 	0x0040092c,
140 	0x00400930,
141 	0x00400934,
142 	0x00400938,
143 	0x0040093c,
144 	0x00400940,
145 	0x00400944,
146 	0x00400948,
147 	0x0040094c,
148 	0x00400950,
149 	0x00400954,
150 	0x00400958,
151 	0x0040095c,
152 	0x00400960,
153 	0x00400964,
154 	0x00400968,
155 	0x0040096c,
156 	0x00400970,
157 	0x00400974,
158 	0x00400978,
159 	0x0040097c,
160 	0x00400980,
161 	0x00400984,
162 	0x00400988,
163 	0x0040098c,
164 	0x00400990,
165 	0x00400994,
166 	0x00400998,
167 	0x0040099c,
168 	0x004009a0,
169 	0x004009a4,
170 	0x004009a8,
171 	0x004009ac,
172 	0x004009b0,
173 	0x004009b4,
174 	0x004009b8,
175 	0x004009bc,
176 	0x004009c0,
177 	0x004009c4,
178 	0x004009c8,
179 	0x004009cc,
180 	0x004009d0,
181 	0x004009d4,
182 	0x004009d8,
183 	0x004009dc,
184 	0x004009e0,
185 	0x004009e4,
186 	0x004009e8,
187 	0x004009ec,
188 	0x004009f0,
189 	0x004009f4,
190 	0x004009f8,
191 	0x004009fc,
192 	NV04_PGRAPH_PATTERN,	/* 2 values from 0x400808 to 0x40080c */
193 	0x0040080c,
194 	NV04_PGRAPH_PATTERN_SHAPE,
195 	NV03_PGRAPH_MONO_COLOR0,
196 	NV04_PGRAPH_ROP3,
197 	NV04_PGRAPH_CHROMA,
198 	NV04_PGRAPH_BETA_AND,
199 	NV04_PGRAPH_BETA_PREMULT,
200 	0x00400e70,
201 	0x00400e74,
202 	0x00400e78,
203 	0x00400e7c,
204 	0x00400e80,
205 	0x00400e84,
206 	0x00400e88,
207 	0x00400e8c,
208 	0x00400ea0,
209 	0x00400ea4,
210 	0x00400ea8,
211 	0x00400e90,
212 	0x00400e94,
213 	0x00400e98,
214 	0x00400e9c,
215 	NV10_PGRAPH_WINDOWCLIP_HORIZONTAL, /* 8 values from 0x400f00-0x400f1c */
216 	NV10_PGRAPH_WINDOWCLIP_VERTICAL,   /* 8 values from 0x400f20-0x400f3c */
217 	0x00400f04,
218 	0x00400f24,
219 	0x00400f08,
220 	0x00400f28,
221 	0x00400f0c,
222 	0x00400f2c,
223 	0x00400f10,
224 	0x00400f30,
225 	0x00400f14,
226 	0x00400f34,
227 	0x00400f18,
228 	0x00400f38,
229 	0x00400f1c,
230 	0x00400f3c,
231 	NV10_PGRAPH_XFMODE0,
232 	NV10_PGRAPH_XFMODE1,
233 	NV10_PGRAPH_GLOBALSTATE0,
234 	NV10_PGRAPH_GLOBALSTATE1,
235 	NV04_PGRAPH_STORED_FMT,
236 	NV04_PGRAPH_SOURCE_COLOR,
237 	NV03_PGRAPH_ABS_X_RAM,	/* 32 values from 0x400400 to 0x40047c */
238 	NV03_PGRAPH_ABS_Y_RAM,	/* 32 values from 0x400480 to 0x4004fc */
239 	0x00400404,
240 	0x00400484,
241 	0x00400408,
242 	0x00400488,
243 	0x0040040c,
244 	0x0040048c,
245 	0x00400410,
246 	0x00400490,
247 	0x00400414,
248 	0x00400494,
249 	0x00400418,
250 	0x00400498,
251 	0x0040041c,
252 	0x0040049c,
253 	0x00400420,
254 	0x004004a0,
255 	0x00400424,
256 	0x004004a4,
257 	0x00400428,
258 	0x004004a8,
259 	0x0040042c,
260 	0x004004ac,
261 	0x00400430,
262 	0x004004b0,
263 	0x00400434,
264 	0x004004b4,
265 	0x00400438,
266 	0x004004b8,
267 	0x0040043c,
268 	0x004004bc,
269 	0x00400440,
270 	0x004004c0,
271 	0x00400444,
272 	0x004004c4,
273 	0x00400448,
274 	0x004004c8,
275 	0x0040044c,
276 	0x004004cc,
277 	0x00400450,
278 	0x004004d0,
279 	0x00400454,
280 	0x004004d4,
281 	0x00400458,
282 	0x004004d8,
283 	0x0040045c,
284 	0x004004dc,
285 	0x00400460,
286 	0x004004e0,
287 	0x00400464,
288 	0x004004e4,
289 	0x00400468,
290 	0x004004e8,
291 	0x0040046c,
292 	0x004004ec,
293 	0x00400470,
294 	0x004004f0,
295 	0x00400474,
296 	0x004004f4,
297 	0x00400478,
298 	0x004004f8,
299 	0x0040047c,
300 	0x004004fc,
301 	NV03_PGRAPH_ABS_UCLIP_XMIN,
302 	NV03_PGRAPH_ABS_UCLIP_XMAX,
303 	NV03_PGRAPH_ABS_UCLIP_YMIN,
304 	NV03_PGRAPH_ABS_UCLIP_YMAX,
305 	0x00400550,
306 	0x00400558,
307 	0x00400554,
308 	0x0040055c,
309 	NV03_PGRAPH_ABS_UCLIPA_XMIN,
310 	NV03_PGRAPH_ABS_UCLIPA_XMAX,
311 	NV03_PGRAPH_ABS_UCLIPA_YMIN,
312 	NV03_PGRAPH_ABS_UCLIPA_YMAX,
313 	NV03_PGRAPH_ABS_ICLIP_XMAX,
314 	NV03_PGRAPH_ABS_ICLIP_YMAX,
315 	NV03_PGRAPH_XY_LOGIC_MISC0,
316 	NV03_PGRAPH_XY_LOGIC_MISC1,
317 	NV03_PGRAPH_XY_LOGIC_MISC2,
318 	NV03_PGRAPH_XY_LOGIC_MISC3,
319 	NV03_PGRAPH_CLIPX_0,
320 	NV03_PGRAPH_CLIPX_1,
321 	NV03_PGRAPH_CLIPY_0,
322 	NV03_PGRAPH_CLIPY_1,
323 	NV10_PGRAPH_COMBINER0_IN_ALPHA,
324 	NV10_PGRAPH_COMBINER1_IN_ALPHA,
325 	NV10_PGRAPH_COMBINER0_IN_RGB,
326 	NV10_PGRAPH_COMBINER1_IN_RGB,
327 	NV10_PGRAPH_COMBINER_COLOR0,
328 	NV10_PGRAPH_COMBINER_COLOR1,
329 	NV10_PGRAPH_COMBINER0_OUT_ALPHA,
330 	NV10_PGRAPH_COMBINER1_OUT_ALPHA,
331 	NV10_PGRAPH_COMBINER0_OUT_RGB,
332 	NV10_PGRAPH_COMBINER1_OUT_RGB,
333 	NV10_PGRAPH_COMBINER_FINAL0,
334 	NV10_PGRAPH_COMBINER_FINAL1,
335 	0x00400e00,
336 	0x00400e04,
337 	0x00400e08,
338 	0x00400e0c,
339 	0x00400e10,
340 	0x00400e14,
341 	0x00400e18,
342 	0x00400e1c,
343 	0x00400e20,
344 	0x00400e24,
345 	0x00400e28,
346 	0x00400e2c,
347 	0x00400e30,
348 	0x00400e34,
349 	0x00400e38,
350 	0x00400e3c,
351 	NV04_PGRAPH_PASSTHRU_0,
352 	NV04_PGRAPH_PASSTHRU_1,
353 	NV04_PGRAPH_PASSTHRU_2,
354 	NV10_PGRAPH_DIMX_TEXTURE,
355 	NV10_PGRAPH_WDIMX_TEXTURE,
356 	NV10_PGRAPH_DVD_COLORFMT,
357 	NV10_PGRAPH_SCALED_FORMAT,
358 	NV04_PGRAPH_MISC24_0,
359 	NV04_PGRAPH_MISC24_1,
360 	NV04_PGRAPH_MISC24_2,
361 	NV03_PGRAPH_X_MISC,
362 	NV03_PGRAPH_Y_MISC,
363 	NV04_PGRAPH_VALID1,
364 	NV04_PGRAPH_VALID2,
365 };
366 
367 static int nv17_gr_ctx_regs[] = {
368 	NV10_PGRAPH_DEBUG_4,
369 	0x004006b0,
370 	0x00400eac,
371 	0x00400eb0,
372 	0x00400eb4,
373 	0x00400eb8,
374 	0x00400ebc,
375 	0x00400ec0,
376 	0x00400ec4,
377 	0x00400ec8,
378 	0x00400ecc,
379 	0x00400ed0,
380 	0x00400ed4,
381 	0x00400ed8,
382 	0x00400edc,
383 	0x00400ee0,
384 	0x00400a00,
385 	0x00400a04,
386 };
387 
388 struct nv10_gr_priv {
389 	struct nvkm_gr base;
390 	struct nv10_gr_chan *chan[32];
391 	spinlock_t lock;
392 };
393 
394 struct nv10_gr_chan {
395 	struct nvkm_object base;
396 	int chid;
397 	int nv10[ARRAY_SIZE(nv10_gr_ctx_regs)];
398 	int nv17[ARRAY_SIZE(nv17_gr_ctx_regs)];
399 	struct pipe_state pipe_state;
400 	u32 lma_window[4];
401 };
402 
403 
404 static inline struct nv10_gr_priv *
405 nv10_gr_priv(struct nv10_gr_chan *chan)
406 {
407 	return (void *)nv_object(chan)->engine;
408 }
409 
410 /*******************************************************************************
411  * Graphics object classes
412  ******************************************************************************/
413 
414 #define PIPE_SAVE(priv, state, addr)					\
415 	do {								\
416 		int __i;						\
417 		nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, addr);		\
418 		for (__i = 0; __i < ARRAY_SIZE(state); __i++)		\
419 			state[__i] = nv_rd32(priv, NV10_PGRAPH_PIPE_DATA); \
420 	} while (0)
421 
422 #define PIPE_RESTORE(priv, state, addr)					\
423 	do {								\
424 		int __i;						\
425 		nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, addr);		\
426 		for (__i = 0; __i < ARRAY_SIZE(state); __i++)		\
427 			nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, state[__i]); \
428 	} while (0)
429 
430 static struct nvkm_oclass
431 nv10_gr_sclass[] = {
432 	{ 0x0012, &nv04_gr_ofuncs }, /* beta1 */
433 	{ 0x0019, &nv04_gr_ofuncs }, /* clip */
434 	{ 0x0030, &nv04_gr_ofuncs }, /* null */
435 	{ 0x0039, &nv04_gr_ofuncs }, /* m2mf */
436 	{ 0x0043, &nv04_gr_ofuncs }, /* rop */
437 	{ 0x0044, &nv04_gr_ofuncs }, /* pattern */
438 	{ 0x004a, &nv04_gr_ofuncs }, /* gdi */
439 	{ 0x0052, &nv04_gr_ofuncs }, /* swzsurf */
440 	{ 0x005f, &nv04_gr_ofuncs }, /* blit */
441 	{ 0x0062, &nv04_gr_ofuncs }, /* surf2d */
442 	{ 0x0072, &nv04_gr_ofuncs }, /* beta4 */
443 	{ 0x0089, &nv04_gr_ofuncs }, /* sifm */
444 	{ 0x008a, &nv04_gr_ofuncs }, /* ifc */
445 	{ 0x009f, &nv04_gr_ofuncs }, /* blit */
446 	{ 0x0093, &nv04_gr_ofuncs }, /* surf3d */
447 	{ 0x0094, &nv04_gr_ofuncs }, /* ttri */
448 	{ 0x0095, &nv04_gr_ofuncs }, /* mtri */
449 	{ 0x0056, &nv04_gr_ofuncs }, /* celcius */
450 	{},
451 };
452 
453 static struct nvkm_oclass
454 nv15_gr_sclass[] = {
455 	{ 0x0012, &nv04_gr_ofuncs }, /* beta1 */
456 	{ 0x0019, &nv04_gr_ofuncs }, /* clip */
457 	{ 0x0030, &nv04_gr_ofuncs }, /* null */
458 	{ 0x0039, &nv04_gr_ofuncs }, /* m2mf */
459 	{ 0x0043, &nv04_gr_ofuncs }, /* rop */
460 	{ 0x0044, &nv04_gr_ofuncs }, /* pattern */
461 	{ 0x004a, &nv04_gr_ofuncs }, /* gdi */
462 	{ 0x0052, &nv04_gr_ofuncs }, /* swzsurf */
463 	{ 0x005f, &nv04_gr_ofuncs }, /* blit */
464 	{ 0x0062, &nv04_gr_ofuncs }, /* surf2d */
465 	{ 0x0072, &nv04_gr_ofuncs }, /* beta4 */
466 	{ 0x0089, &nv04_gr_ofuncs }, /* sifm */
467 	{ 0x008a, &nv04_gr_ofuncs }, /* ifc */
468 	{ 0x009f, &nv04_gr_ofuncs }, /* blit */
469 	{ 0x0093, &nv04_gr_ofuncs }, /* surf3d */
470 	{ 0x0094, &nv04_gr_ofuncs }, /* ttri */
471 	{ 0x0095, &nv04_gr_ofuncs }, /* mtri */
472 	{ 0x0096, &nv04_gr_ofuncs }, /* celcius */
473 	{},
474 };
475 
476 static int
477 nv17_gr_mthd_lma_window(struct nvkm_object *object, u32 mthd,
478 			void *args, u32 size)
479 {
480 	struct nv10_gr_chan *chan = (void *)object->parent;
481 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
482 	struct pipe_state *pipe = &chan->pipe_state;
483 	u32 pipe_0x0040[1], pipe_0x64c0[8], pipe_0x6a80[3], pipe_0x6ab0[3];
484 	u32 xfmode0, xfmode1;
485 	u32 data = *(u32 *)args;
486 	int i;
487 
488 	chan->lma_window[(mthd - 0x1638) / 4] = data;
489 
490 	if (mthd != 0x1644)
491 		return 0;
492 
493 	nv04_gr_idle(priv);
494 
495 	PIPE_SAVE(priv, pipe_0x0040, 0x0040);
496 	PIPE_SAVE(priv, pipe->pipe_0x0200, 0x0200);
497 
498 	PIPE_RESTORE(priv, chan->lma_window, 0x6790);
499 
500 	nv04_gr_idle(priv);
501 
502 	xfmode0 = nv_rd32(priv, NV10_PGRAPH_XFMODE0);
503 	xfmode1 = nv_rd32(priv, NV10_PGRAPH_XFMODE1);
504 
505 	PIPE_SAVE(priv, pipe->pipe_0x4400, 0x4400);
506 	PIPE_SAVE(priv, pipe_0x64c0, 0x64c0);
507 	PIPE_SAVE(priv, pipe_0x6ab0, 0x6ab0);
508 	PIPE_SAVE(priv, pipe_0x6a80, 0x6a80);
509 
510 	nv04_gr_idle(priv);
511 
512 	nv_wr32(priv, NV10_PGRAPH_XFMODE0, 0x10000000);
513 	nv_wr32(priv, NV10_PGRAPH_XFMODE1, 0x00000000);
514 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x000064c0);
515 	for (i = 0; i < 4; i++)
516 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
517 	for (i = 0; i < 4; i++)
518 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000000);
519 
520 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x00006ab0);
521 	for (i = 0; i < 3; i++)
522 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
523 
524 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x00006a80);
525 	for (i = 0; i < 3; i++)
526 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000000);
527 
528 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x00000040);
529 	nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000008);
530 
531 	PIPE_RESTORE(priv, pipe->pipe_0x0200, 0x0200);
532 
533 	nv04_gr_idle(priv);
534 
535 	PIPE_RESTORE(priv, pipe_0x0040, 0x0040);
536 
537 	nv_wr32(priv, NV10_PGRAPH_XFMODE0, xfmode0);
538 	nv_wr32(priv, NV10_PGRAPH_XFMODE1, xfmode1);
539 
540 	PIPE_RESTORE(priv, pipe_0x64c0, 0x64c0);
541 	PIPE_RESTORE(priv, pipe_0x6ab0, 0x6ab0);
542 	PIPE_RESTORE(priv, pipe_0x6a80, 0x6a80);
543 	PIPE_RESTORE(priv, pipe->pipe_0x4400, 0x4400);
544 
545 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x000000c0);
546 	nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000000);
547 
548 	nv04_gr_idle(priv);
549 
550 	return 0;
551 }
552 
553 static int
554 nv17_gr_mthd_lma_enable(struct nvkm_object *object, u32 mthd,
555 			void *args, u32 size)
556 {
557 	struct nv10_gr_chan *chan = (void *)object->parent;
558 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
559 
560 	nv04_gr_idle(priv);
561 
562 	nv_mask(priv, NV10_PGRAPH_DEBUG_4, 0x00000100, 0x00000100);
563 	nv_mask(priv, 0x4006b0, 0x08000000, 0x08000000);
564 	return 0;
565 }
566 
567 static struct nvkm_omthds
568 nv17_celcius_omthds[] = {
569 	{ 0x1638, 0x1638, nv17_gr_mthd_lma_window },
570 	{ 0x163c, 0x163c, nv17_gr_mthd_lma_window },
571 	{ 0x1640, 0x1640, nv17_gr_mthd_lma_window },
572 	{ 0x1644, 0x1644, nv17_gr_mthd_lma_window },
573 	{ 0x1658, 0x1658, nv17_gr_mthd_lma_enable },
574 	{}
575 };
576 
577 static struct nvkm_oclass
578 nv17_gr_sclass[] = {
579 	{ 0x0012, &nv04_gr_ofuncs }, /* beta1 */
580 	{ 0x0019, &nv04_gr_ofuncs }, /* clip */
581 	{ 0x0030, &nv04_gr_ofuncs }, /* null */
582 	{ 0x0039, &nv04_gr_ofuncs }, /* m2mf */
583 	{ 0x0043, &nv04_gr_ofuncs }, /* rop */
584 	{ 0x0044, &nv04_gr_ofuncs }, /* pattern */
585 	{ 0x004a, &nv04_gr_ofuncs }, /* gdi */
586 	{ 0x0052, &nv04_gr_ofuncs }, /* swzsurf */
587 	{ 0x005f, &nv04_gr_ofuncs }, /* blit */
588 	{ 0x0062, &nv04_gr_ofuncs }, /* surf2d */
589 	{ 0x0072, &nv04_gr_ofuncs }, /* beta4 */
590 	{ 0x0089, &nv04_gr_ofuncs }, /* sifm */
591 	{ 0x008a, &nv04_gr_ofuncs }, /* ifc */
592 	{ 0x009f, &nv04_gr_ofuncs }, /* blit */
593 	{ 0x0093, &nv04_gr_ofuncs }, /* surf3d */
594 	{ 0x0094, &nv04_gr_ofuncs }, /* ttri */
595 	{ 0x0095, &nv04_gr_ofuncs }, /* mtri */
596 	{ 0x0099, &nv04_gr_ofuncs, nv17_celcius_omthds },
597 	{},
598 };
599 
600 /*******************************************************************************
601  * PGRAPH context
602  ******************************************************************************/
603 
604 static struct nv10_gr_chan *
605 nv10_gr_channel(struct nv10_gr_priv *priv)
606 {
607 	struct nv10_gr_chan *chan = NULL;
608 	if (nv_rd32(priv, 0x400144) & 0x00010000) {
609 		int chid = nv_rd32(priv, 0x400148) >> 24;
610 		if (chid < ARRAY_SIZE(priv->chan))
611 			chan = priv->chan[chid];
612 	}
613 	return chan;
614 }
615 
616 static void
617 nv10_gr_save_pipe(struct nv10_gr_chan *chan)
618 {
619 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
620 	struct pipe_state *pipe = &chan->pipe_state;
621 
622 	PIPE_SAVE(priv, pipe->pipe_0x4400, 0x4400);
623 	PIPE_SAVE(priv, pipe->pipe_0x0200, 0x0200);
624 	PIPE_SAVE(priv, pipe->pipe_0x6400, 0x6400);
625 	PIPE_SAVE(priv, pipe->pipe_0x6800, 0x6800);
626 	PIPE_SAVE(priv, pipe->pipe_0x6c00, 0x6c00);
627 	PIPE_SAVE(priv, pipe->pipe_0x7000, 0x7000);
628 	PIPE_SAVE(priv, pipe->pipe_0x7400, 0x7400);
629 	PIPE_SAVE(priv, pipe->pipe_0x7800, 0x7800);
630 	PIPE_SAVE(priv, pipe->pipe_0x0040, 0x0040);
631 	PIPE_SAVE(priv, pipe->pipe_0x0000, 0x0000);
632 }
633 
634 static void
635 nv10_gr_load_pipe(struct nv10_gr_chan *chan)
636 {
637 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
638 	struct pipe_state *pipe = &chan->pipe_state;
639 	u32 xfmode0, xfmode1;
640 	int i;
641 
642 	nv04_gr_idle(priv);
643 	/* XXX check haiku comments */
644 	xfmode0 = nv_rd32(priv, NV10_PGRAPH_XFMODE0);
645 	xfmode1 = nv_rd32(priv, NV10_PGRAPH_XFMODE1);
646 	nv_wr32(priv, NV10_PGRAPH_XFMODE0, 0x10000000);
647 	nv_wr32(priv, NV10_PGRAPH_XFMODE1, 0x00000000);
648 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x000064c0);
649 	for (i = 0; i < 4; i++)
650 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
651 	for (i = 0; i < 4; i++)
652 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000000);
653 
654 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x00006ab0);
655 	for (i = 0; i < 3; i++)
656 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x3f800000);
657 
658 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x00006a80);
659 	for (i = 0; i < 3; i++)
660 		nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000000);
661 
662 	nv_wr32(priv, NV10_PGRAPH_PIPE_ADDRESS, 0x00000040);
663 	nv_wr32(priv, NV10_PGRAPH_PIPE_DATA, 0x00000008);
664 
665 
666 	PIPE_RESTORE(priv, pipe->pipe_0x0200, 0x0200);
667 	nv04_gr_idle(priv);
668 
669 	/* restore XFMODE */
670 	nv_wr32(priv, NV10_PGRAPH_XFMODE0, xfmode0);
671 	nv_wr32(priv, NV10_PGRAPH_XFMODE1, xfmode1);
672 	PIPE_RESTORE(priv, pipe->pipe_0x6400, 0x6400);
673 	PIPE_RESTORE(priv, pipe->pipe_0x6800, 0x6800);
674 	PIPE_RESTORE(priv, pipe->pipe_0x6c00, 0x6c00);
675 	PIPE_RESTORE(priv, pipe->pipe_0x7000, 0x7000);
676 	PIPE_RESTORE(priv, pipe->pipe_0x7400, 0x7400);
677 	PIPE_RESTORE(priv, pipe->pipe_0x7800, 0x7800);
678 	PIPE_RESTORE(priv, pipe->pipe_0x4400, 0x4400);
679 	PIPE_RESTORE(priv, pipe->pipe_0x0000, 0x0000);
680 	PIPE_RESTORE(priv, pipe->pipe_0x0040, 0x0040);
681 	nv04_gr_idle(priv);
682 }
683 
684 static void
685 nv10_gr_create_pipe(struct nv10_gr_chan *chan)
686 {
687 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
688 	struct pipe_state *pipe_state = &chan->pipe_state;
689 	u32 *pipe_state_addr;
690 	int i;
691 #define PIPE_INIT(addr) \
692 	do { \
693 		pipe_state_addr = pipe_state->pipe_##addr; \
694 	} while (0)
695 #define PIPE_INIT_END(addr) \
696 	do { \
697 		u32 *__end_addr = pipe_state->pipe_##addr + \
698 				ARRAY_SIZE(pipe_state->pipe_##addr); \
699 		if (pipe_state_addr != __end_addr) \
700 			nv_error(priv, "incomplete pipe init for 0x%x :  %p/%p\n", \
701 				addr, pipe_state_addr, __end_addr); \
702 	} while (0)
703 #define NV_WRITE_PIPE_INIT(value) *(pipe_state_addr++) = value
704 
705 	PIPE_INIT(0x0200);
706 	for (i = 0; i < 48; i++)
707 		NV_WRITE_PIPE_INIT(0x00000000);
708 	PIPE_INIT_END(0x0200);
709 
710 	PIPE_INIT(0x6400);
711 	for (i = 0; i < 211; i++)
712 		NV_WRITE_PIPE_INIT(0x00000000);
713 	NV_WRITE_PIPE_INIT(0x3f800000);
714 	NV_WRITE_PIPE_INIT(0x40000000);
715 	NV_WRITE_PIPE_INIT(0x40000000);
716 	NV_WRITE_PIPE_INIT(0x40000000);
717 	NV_WRITE_PIPE_INIT(0x40000000);
718 	NV_WRITE_PIPE_INIT(0x00000000);
719 	NV_WRITE_PIPE_INIT(0x00000000);
720 	NV_WRITE_PIPE_INIT(0x3f800000);
721 	NV_WRITE_PIPE_INIT(0x00000000);
722 	NV_WRITE_PIPE_INIT(0x3f000000);
723 	NV_WRITE_PIPE_INIT(0x3f000000);
724 	NV_WRITE_PIPE_INIT(0x00000000);
725 	NV_WRITE_PIPE_INIT(0x00000000);
726 	NV_WRITE_PIPE_INIT(0x00000000);
727 	NV_WRITE_PIPE_INIT(0x00000000);
728 	NV_WRITE_PIPE_INIT(0x3f800000);
729 	NV_WRITE_PIPE_INIT(0x00000000);
730 	NV_WRITE_PIPE_INIT(0x00000000);
731 	NV_WRITE_PIPE_INIT(0x00000000);
732 	NV_WRITE_PIPE_INIT(0x00000000);
733 	NV_WRITE_PIPE_INIT(0x00000000);
734 	NV_WRITE_PIPE_INIT(0x3f800000);
735 	NV_WRITE_PIPE_INIT(0x3f800000);
736 	NV_WRITE_PIPE_INIT(0x3f800000);
737 	NV_WRITE_PIPE_INIT(0x3f800000);
738 	PIPE_INIT_END(0x6400);
739 
740 	PIPE_INIT(0x6800);
741 	for (i = 0; i < 162; i++)
742 		NV_WRITE_PIPE_INIT(0x00000000);
743 	NV_WRITE_PIPE_INIT(0x3f800000);
744 	for (i = 0; i < 25; i++)
745 		NV_WRITE_PIPE_INIT(0x00000000);
746 	PIPE_INIT_END(0x6800);
747 
748 	PIPE_INIT(0x6c00);
749 	NV_WRITE_PIPE_INIT(0x00000000);
750 	NV_WRITE_PIPE_INIT(0x00000000);
751 	NV_WRITE_PIPE_INIT(0x00000000);
752 	NV_WRITE_PIPE_INIT(0x00000000);
753 	NV_WRITE_PIPE_INIT(0xbf800000);
754 	NV_WRITE_PIPE_INIT(0x00000000);
755 	NV_WRITE_PIPE_INIT(0x00000000);
756 	NV_WRITE_PIPE_INIT(0x00000000);
757 	NV_WRITE_PIPE_INIT(0x00000000);
758 	NV_WRITE_PIPE_INIT(0x00000000);
759 	NV_WRITE_PIPE_INIT(0x00000000);
760 	NV_WRITE_PIPE_INIT(0x00000000);
761 	PIPE_INIT_END(0x6c00);
762 
763 	PIPE_INIT(0x7000);
764 	NV_WRITE_PIPE_INIT(0x00000000);
765 	NV_WRITE_PIPE_INIT(0x00000000);
766 	NV_WRITE_PIPE_INIT(0x00000000);
767 	NV_WRITE_PIPE_INIT(0x00000000);
768 	NV_WRITE_PIPE_INIT(0x00000000);
769 	NV_WRITE_PIPE_INIT(0x00000000);
770 	NV_WRITE_PIPE_INIT(0x00000000);
771 	NV_WRITE_PIPE_INIT(0x00000000);
772 	NV_WRITE_PIPE_INIT(0x00000000);
773 	NV_WRITE_PIPE_INIT(0x00000000);
774 	NV_WRITE_PIPE_INIT(0x00000000);
775 	NV_WRITE_PIPE_INIT(0x00000000);
776 	NV_WRITE_PIPE_INIT(0x7149f2ca);
777 	NV_WRITE_PIPE_INIT(0x00000000);
778 	NV_WRITE_PIPE_INIT(0x00000000);
779 	NV_WRITE_PIPE_INIT(0x00000000);
780 	NV_WRITE_PIPE_INIT(0x7149f2ca);
781 	NV_WRITE_PIPE_INIT(0x00000000);
782 	NV_WRITE_PIPE_INIT(0x00000000);
783 	NV_WRITE_PIPE_INIT(0x00000000);
784 	NV_WRITE_PIPE_INIT(0x7149f2ca);
785 	NV_WRITE_PIPE_INIT(0x00000000);
786 	NV_WRITE_PIPE_INIT(0x00000000);
787 	NV_WRITE_PIPE_INIT(0x00000000);
788 	NV_WRITE_PIPE_INIT(0x7149f2ca);
789 	NV_WRITE_PIPE_INIT(0x00000000);
790 	NV_WRITE_PIPE_INIT(0x00000000);
791 	NV_WRITE_PIPE_INIT(0x00000000);
792 	NV_WRITE_PIPE_INIT(0x7149f2ca);
793 	NV_WRITE_PIPE_INIT(0x00000000);
794 	NV_WRITE_PIPE_INIT(0x00000000);
795 	NV_WRITE_PIPE_INIT(0x00000000);
796 	NV_WRITE_PIPE_INIT(0x7149f2ca);
797 	NV_WRITE_PIPE_INIT(0x00000000);
798 	NV_WRITE_PIPE_INIT(0x00000000);
799 	NV_WRITE_PIPE_INIT(0x00000000);
800 	NV_WRITE_PIPE_INIT(0x7149f2ca);
801 	NV_WRITE_PIPE_INIT(0x00000000);
802 	NV_WRITE_PIPE_INIT(0x00000000);
803 	NV_WRITE_PIPE_INIT(0x00000000);
804 	NV_WRITE_PIPE_INIT(0x7149f2ca);
805 	for (i = 0; i < 35; i++)
806 		NV_WRITE_PIPE_INIT(0x00000000);
807 	PIPE_INIT_END(0x7000);
808 
809 	PIPE_INIT(0x7400);
810 	for (i = 0; i < 48; i++)
811 		NV_WRITE_PIPE_INIT(0x00000000);
812 	PIPE_INIT_END(0x7400);
813 
814 	PIPE_INIT(0x7800);
815 	for (i = 0; i < 48; i++)
816 		NV_WRITE_PIPE_INIT(0x00000000);
817 	PIPE_INIT_END(0x7800);
818 
819 	PIPE_INIT(0x4400);
820 	for (i = 0; i < 32; i++)
821 		NV_WRITE_PIPE_INIT(0x00000000);
822 	PIPE_INIT_END(0x4400);
823 
824 	PIPE_INIT(0x0000);
825 	for (i = 0; i < 16; i++)
826 		NV_WRITE_PIPE_INIT(0x00000000);
827 	PIPE_INIT_END(0x0000);
828 
829 	PIPE_INIT(0x0040);
830 	for (i = 0; i < 4; i++)
831 		NV_WRITE_PIPE_INIT(0x00000000);
832 	PIPE_INIT_END(0x0040);
833 
834 #undef PIPE_INIT
835 #undef PIPE_INIT_END
836 #undef NV_WRITE_PIPE_INIT
837 }
838 
839 static int
840 nv10_gr_ctx_regs_find_offset(struct nv10_gr_priv *priv, int reg)
841 {
842 	int i;
843 	for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++) {
844 		if (nv10_gr_ctx_regs[i] == reg)
845 			return i;
846 	}
847 	nv_error(priv, "unknow offset nv10_ctx_regs %d\n", reg);
848 	return -1;
849 }
850 
851 static int
852 nv17_gr_ctx_regs_find_offset(struct nv10_gr_priv *priv, int reg)
853 {
854 	int i;
855 	for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++) {
856 		if (nv17_gr_ctx_regs[i] == reg)
857 			return i;
858 	}
859 	nv_error(priv, "unknow offset nv17_ctx_regs %d\n", reg);
860 	return -1;
861 }
862 
863 static void
864 nv10_gr_load_dma_vtxbuf(struct nv10_gr_chan *chan, int chid, u32 inst)
865 {
866 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
867 	u32 st2, st2_dl, st2_dh, fifo_ptr, fifo[0x60/4];
868 	u32 ctx_user, ctx_switch[5];
869 	int i, subchan = -1;
870 
871 	/* NV10TCL_DMA_VTXBUF (method 0x18c) modifies hidden state
872 	 * that cannot be restored via MMIO. Do it through the FIFO
873 	 * instead.
874 	 */
875 
876 	/* Look for a celsius object */
877 	for (i = 0; i < 8; i++) {
878 		int class = nv_rd32(priv, NV10_PGRAPH_CTX_CACHE(i, 0)) & 0xfff;
879 
880 		if (class == 0x56 || class == 0x96 || class == 0x99) {
881 			subchan = i;
882 			break;
883 		}
884 	}
885 
886 	if (subchan < 0 || !inst)
887 		return;
888 
889 	/* Save the current ctx object */
890 	ctx_user = nv_rd32(priv, NV10_PGRAPH_CTX_USER);
891 	for (i = 0; i < 5; i++)
892 		ctx_switch[i] = nv_rd32(priv, NV10_PGRAPH_CTX_SWITCH(i));
893 
894 	/* Save the FIFO state */
895 	st2 = nv_rd32(priv, NV10_PGRAPH_FFINTFC_ST2);
896 	st2_dl = nv_rd32(priv, NV10_PGRAPH_FFINTFC_ST2_DL);
897 	st2_dh = nv_rd32(priv, NV10_PGRAPH_FFINTFC_ST2_DH);
898 	fifo_ptr = nv_rd32(priv, NV10_PGRAPH_FFINTFC_FIFO_PTR);
899 
900 	for (i = 0; i < ARRAY_SIZE(fifo); i++)
901 		fifo[i] = nv_rd32(priv, 0x4007a0 + 4 * i);
902 
903 	/* Switch to the celsius subchannel */
904 	for (i = 0; i < 5; i++)
905 		nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(i),
906 			nv_rd32(priv, NV10_PGRAPH_CTX_CACHE(subchan, i)));
907 	nv_mask(priv, NV10_PGRAPH_CTX_USER, 0xe000, subchan << 13);
908 
909 	/* Inject NV10TCL_DMA_VTXBUF */
910 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_FIFO_PTR, 0);
911 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_ST2,
912 		0x2c000000 | chid << 20 | subchan << 16 | 0x18c);
913 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_ST2_DL, inst);
914 	nv_mask(priv, NV10_PGRAPH_CTX_CONTROL, 0, 0x10000);
915 	nv_mask(priv, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
916 	nv_mask(priv, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
917 
918 	/* Restore the FIFO state */
919 	for (i = 0; i < ARRAY_SIZE(fifo); i++)
920 		nv_wr32(priv, 0x4007a0 + 4 * i, fifo[i]);
921 
922 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_FIFO_PTR, fifo_ptr);
923 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_ST2, st2);
924 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_ST2_DL, st2_dl);
925 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_ST2_DH, st2_dh);
926 
927 	/* Restore the current ctx object */
928 	for (i = 0; i < 5; i++)
929 		nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(i), ctx_switch[i]);
930 	nv_wr32(priv, NV10_PGRAPH_CTX_USER, ctx_user);
931 }
932 
933 static int
934 nv10_gr_load_context(struct nv10_gr_chan *chan, int chid)
935 {
936 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
937 	u32 inst;
938 	int i;
939 
940 	for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++)
941 		nv_wr32(priv, nv10_gr_ctx_regs[i], chan->nv10[i]);
942 
943 	if (nv_device(priv)->card_type >= NV_11 &&
944 	    nv_device(priv)->chipset >= 0x17) {
945 		for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++)
946 			nv_wr32(priv, nv17_gr_ctx_regs[i], chan->nv17[i]);
947 	}
948 
949 	nv10_gr_load_pipe(chan);
950 
951 	inst = nv_rd32(priv, NV10_PGRAPH_GLOBALSTATE1) & 0xffff;
952 	nv10_gr_load_dma_vtxbuf(chan, chid, inst);
953 
954 	nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
955 	nv_mask(priv, NV10_PGRAPH_CTX_USER, 0xff000000, chid << 24);
956 	nv_mask(priv, NV10_PGRAPH_FFINTFC_ST2, 0x30000000, 0x00000000);
957 	return 0;
958 }
959 
960 static int
961 nv10_gr_unload_context(struct nv10_gr_chan *chan)
962 {
963 	struct nv10_gr_priv *priv = nv10_gr_priv(chan);
964 	int i;
965 
966 	for (i = 0; i < ARRAY_SIZE(nv10_gr_ctx_regs); i++)
967 		chan->nv10[i] = nv_rd32(priv, nv10_gr_ctx_regs[i]);
968 
969 	if (nv_device(priv)->card_type >= NV_11 &&
970 	    nv_device(priv)->chipset >= 0x17) {
971 		for (i = 0; i < ARRAY_SIZE(nv17_gr_ctx_regs); i++)
972 			chan->nv17[i] = nv_rd32(priv, nv17_gr_ctx_regs[i]);
973 	}
974 
975 	nv10_gr_save_pipe(chan);
976 
977 	nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10000000);
978 	nv_mask(priv, NV10_PGRAPH_CTX_USER, 0xff000000, 0x1f000000);
979 	return 0;
980 }
981 
982 static void
983 nv10_gr_context_switch(struct nv10_gr_priv *priv)
984 {
985 	struct nv10_gr_chan *prev = NULL;
986 	struct nv10_gr_chan *next = NULL;
987 	unsigned long flags;
988 	int chid;
989 
990 	spin_lock_irqsave(&priv->lock, flags);
991 	nv04_gr_idle(priv);
992 
993 	/* If previous context is valid, we need to save it */
994 	prev = nv10_gr_channel(priv);
995 	if (prev)
996 		nv10_gr_unload_context(prev);
997 
998 	/* load context for next channel */
999 	chid = (nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR) >> 20) & 0x1f;
1000 	next = priv->chan[chid];
1001 	if (next)
1002 		nv10_gr_load_context(next, chid);
1003 
1004 	spin_unlock_irqrestore(&priv->lock, flags);
1005 }
1006 
1007 #define NV_WRITE_CTX(reg, val) do { \
1008 	int offset = nv10_gr_ctx_regs_find_offset(priv, reg); \
1009 	if (offset > 0) \
1010 		chan->nv10[offset] = val; \
1011 	} while (0)
1012 
1013 #define NV17_WRITE_CTX(reg, val) do { \
1014 	int offset = nv17_gr_ctx_regs_find_offset(priv, reg); \
1015 	if (offset > 0) \
1016 		chan->nv17[offset] = val; \
1017 	} while (0)
1018 
1019 static int
1020 nv10_gr_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
1021 		     struct nvkm_oclass *oclass, void *data, u32 size,
1022 		     struct nvkm_object **pobject)
1023 {
1024 	struct nvkm_fifo_chan *fifo = (void *)parent;
1025 	struct nv10_gr_priv *priv = (void *)engine;
1026 	struct nv10_gr_chan *chan;
1027 	unsigned long flags;
1028 	int ret;
1029 
1030 	ret = nvkm_object_create(parent, engine, oclass, 0, &chan);
1031 	*pobject = nv_object(chan);
1032 	if (ret)
1033 		return ret;
1034 
1035 	spin_lock_irqsave(&priv->lock, flags);
1036 	if (priv->chan[fifo->chid]) {
1037 		*pobject = nv_object(priv->chan[fifo->chid]);
1038 		atomic_inc(&(*pobject)->refcount);
1039 		spin_unlock_irqrestore(&priv->lock, flags);
1040 		nvkm_object_destroy(&chan->base);
1041 		return 1;
1042 	}
1043 
1044 	NV_WRITE_CTX(0x00400e88, 0x08000000);
1045 	NV_WRITE_CTX(0x00400e9c, 0x4b7fffff);
1046 	NV_WRITE_CTX(NV03_PGRAPH_XY_LOGIC_MISC0, 0x0001ffff);
1047 	NV_WRITE_CTX(0x00400e10, 0x00001000);
1048 	NV_WRITE_CTX(0x00400e14, 0x00001000);
1049 	NV_WRITE_CTX(0x00400e30, 0x00080008);
1050 	NV_WRITE_CTX(0x00400e34, 0x00080008);
1051 	if (nv_device(priv)->card_type >= NV_11 &&
1052 	    nv_device(priv)->chipset >= 0x17) {
1053 		/* is it really needed ??? */
1054 		NV17_WRITE_CTX(NV10_PGRAPH_DEBUG_4,
1055 					nv_rd32(priv, NV10_PGRAPH_DEBUG_4));
1056 		NV17_WRITE_CTX(0x004006b0, nv_rd32(priv, 0x004006b0));
1057 		NV17_WRITE_CTX(0x00400eac, 0x0fff0000);
1058 		NV17_WRITE_CTX(0x00400eb0, 0x0fff0000);
1059 		NV17_WRITE_CTX(0x00400ec0, 0x00000080);
1060 		NV17_WRITE_CTX(0x00400ed0, 0x00000080);
1061 	}
1062 	NV_WRITE_CTX(NV10_PGRAPH_CTX_USER, chan->chid << 24);
1063 
1064 	nv10_gr_create_pipe(chan);
1065 
1066 	priv->chan[fifo->chid] = chan;
1067 	chan->chid = fifo->chid;
1068 	spin_unlock_irqrestore(&priv->lock, flags);
1069 	return 0;
1070 }
1071 
1072 static void
1073 nv10_gr_context_dtor(struct nvkm_object *object)
1074 {
1075 	struct nv10_gr_priv *priv = (void *)object->engine;
1076 	struct nv10_gr_chan *chan = (void *)object;
1077 	unsigned long flags;
1078 
1079 	spin_lock_irqsave(&priv->lock, flags);
1080 	priv->chan[chan->chid] = NULL;
1081 	spin_unlock_irqrestore(&priv->lock, flags);
1082 
1083 	nvkm_object_destroy(&chan->base);
1084 }
1085 
1086 static int
1087 nv10_gr_context_fini(struct nvkm_object *object, bool suspend)
1088 {
1089 	struct nv10_gr_priv *priv = (void *)object->engine;
1090 	struct nv10_gr_chan *chan = (void *)object;
1091 	unsigned long flags;
1092 
1093 	spin_lock_irqsave(&priv->lock, flags);
1094 	nv_mask(priv, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
1095 	if (nv10_gr_channel(priv) == chan)
1096 		nv10_gr_unload_context(chan);
1097 	nv_mask(priv, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
1098 	spin_unlock_irqrestore(&priv->lock, flags);
1099 
1100 	return nvkm_object_fini(&chan->base, suspend);
1101 }
1102 
1103 static struct nvkm_oclass
1104 nv10_gr_cclass = {
1105 	.handle = NV_ENGCTX(GR, 0x10),
1106 	.ofuncs = &(struct nvkm_ofuncs) {
1107 		.ctor = nv10_gr_context_ctor,
1108 		.dtor = nv10_gr_context_dtor,
1109 		.init = nvkm_object_init,
1110 		.fini = nv10_gr_context_fini,
1111 	},
1112 };
1113 
1114 /*******************************************************************************
1115  * PGRAPH engine/subdev functions
1116  ******************************************************************************/
1117 
1118 static void
1119 nv10_gr_tile_prog(struct nvkm_engine *engine, int i)
1120 {
1121 	struct nvkm_fb_tile *tile = &nvkm_fb(engine)->tile.region[i];
1122 	struct nvkm_fifo *pfifo = nvkm_fifo(engine);
1123 	struct nv10_gr_priv *priv = (void *)engine;
1124 	unsigned long flags;
1125 
1126 	pfifo->pause(pfifo, &flags);
1127 	nv04_gr_idle(priv);
1128 
1129 	nv_wr32(priv, NV10_PGRAPH_TLIMIT(i), tile->limit);
1130 	nv_wr32(priv, NV10_PGRAPH_TSIZE(i), tile->pitch);
1131 	nv_wr32(priv, NV10_PGRAPH_TILE(i), tile->addr);
1132 
1133 	pfifo->start(pfifo, &flags);
1134 }
1135 
1136 const struct nvkm_bitfield nv10_gr_intr_name[] = {
1137 	{ NV_PGRAPH_INTR_NOTIFY, "NOTIFY" },
1138 	{ NV_PGRAPH_INTR_ERROR,  "ERROR"  },
1139 	{}
1140 };
1141 
1142 const struct nvkm_bitfield nv10_gr_nstatus[] = {
1143 	{ NV10_PGRAPH_NSTATUS_STATE_IN_USE,       "STATE_IN_USE" },
1144 	{ NV10_PGRAPH_NSTATUS_INVALID_STATE,      "INVALID_STATE" },
1145 	{ NV10_PGRAPH_NSTATUS_BAD_ARGUMENT,       "BAD_ARGUMENT" },
1146 	{ NV10_PGRAPH_NSTATUS_PROTECTION_FAULT,   "PROTECTION_FAULT" },
1147 	{}
1148 };
1149 
1150 static void
1151 nv10_gr_intr(struct nvkm_subdev *subdev)
1152 {
1153 	struct nv10_gr_priv *priv = (void *)subdev;
1154 	struct nv10_gr_chan *chan = NULL;
1155 	struct nvkm_namedb *namedb = NULL;
1156 	struct nvkm_handle *handle = NULL;
1157 	u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
1158 	u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
1159 	u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
1160 	u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
1161 	u32 chid = (addr & 0x01f00000) >> 20;
1162 	u32 subc = (addr & 0x00070000) >> 16;
1163 	u32 mthd = (addr & 0x00001ffc);
1164 	u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
1165 	u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xfff;
1166 	u32 show = stat;
1167 	unsigned long flags;
1168 
1169 	spin_lock_irqsave(&priv->lock, flags);
1170 	chan = priv->chan[chid];
1171 	if (chan)
1172 		namedb = (void *)nv_pclass(nv_object(chan), NV_NAMEDB_CLASS);
1173 	spin_unlock_irqrestore(&priv->lock, flags);
1174 
1175 	if (stat & NV_PGRAPH_INTR_ERROR) {
1176 		if (chan && (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD)) {
1177 			handle = nvkm_namedb_get_class(namedb, class);
1178 			if (handle && !nv_call(handle->object, mthd, data))
1179 				show &= ~NV_PGRAPH_INTR_ERROR;
1180 		}
1181 	}
1182 
1183 	if (stat & NV_PGRAPH_INTR_CONTEXT_SWITCH) {
1184 		nv_wr32(priv, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_CONTEXT_SWITCH);
1185 		stat &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
1186 		show &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
1187 		nv10_gr_context_switch(priv);
1188 	}
1189 
1190 	nv_wr32(priv, NV03_PGRAPH_INTR, stat);
1191 	nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);
1192 
1193 	if (show) {
1194 		nv_error(priv, "%s", "");
1195 		nvkm_bitfield_print(nv10_gr_intr_name, show);
1196 		pr_cont(" nsource:");
1197 		nvkm_bitfield_print(nv04_gr_nsource, nsource);
1198 		pr_cont(" nstatus:");
1199 		nvkm_bitfield_print(nv10_gr_nstatus, nstatus);
1200 		pr_cont("\n");
1201 		nv_error(priv,
1202 			 "ch %d [%s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
1203 			 chid, nvkm_client_name(chan), subc, class, mthd,
1204 			 data);
1205 	}
1206 
1207 	nvkm_namedb_put(handle);
1208 }
1209 
1210 static int
1211 nv10_gr_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
1212 	     struct nvkm_oclass *oclass, void *data, u32 size,
1213 	     struct nvkm_object **pobject)
1214 {
1215 	struct nv10_gr_priv *priv;
1216 	int ret;
1217 
1218 	ret = nvkm_gr_create(parent, engine, oclass, true, &priv);
1219 	*pobject = nv_object(priv);
1220 	if (ret)
1221 		return ret;
1222 
1223 	nv_subdev(priv)->unit = 0x00001000;
1224 	nv_subdev(priv)->intr = nv10_gr_intr;
1225 	nv_engine(priv)->cclass = &nv10_gr_cclass;
1226 
1227 	if (nv_device(priv)->chipset <= 0x10)
1228 		nv_engine(priv)->sclass = nv10_gr_sclass;
1229 	else
1230 	if (nv_device(priv)->chipset <  0x17 ||
1231 	    nv_device(priv)->card_type < NV_11)
1232 		nv_engine(priv)->sclass = nv15_gr_sclass;
1233 	else
1234 		nv_engine(priv)->sclass = nv17_gr_sclass;
1235 
1236 	nv_engine(priv)->tile_prog = nv10_gr_tile_prog;
1237 	spin_lock_init(&priv->lock);
1238 	return 0;
1239 }
1240 
1241 static void
1242 nv10_gr_dtor(struct nvkm_object *object)
1243 {
1244 	struct nv10_gr_priv *priv = (void *)object;
1245 	nvkm_gr_destroy(&priv->base);
1246 }
1247 
1248 static int
1249 nv10_gr_init(struct nvkm_object *object)
1250 {
1251 	struct nvkm_engine *engine = nv_engine(object);
1252 	struct nvkm_fb *fb = nvkm_fb(object);
1253 	struct nv10_gr_priv *priv = (void *)engine;
1254 	int ret, i;
1255 
1256 	ret = nvkm_gr_init(&priv->base);
1257 	if (ret)
1258 		return ret;
1259 
1260 	nv_wr32(priv, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
1261 	nv_wr32(priv, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
1262 
1263 	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
1264 	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
1265 	nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x00118700);
1266 	/* nv_wr32(priv, NV04_PGRAPH_DEBUG_2, 0x24E00810); */ /* 0x25f92ad9 */
1267 	nv_wr32(priv, NV04_PGRAPH_DEBUG_2, 0x25f92ad9);
1268 	nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0x55DE0830 | (1 << 29) | (1 << 31));
1269 
1270 	if (nv_device(priv)->card_type >= NV_11 &&
1271 	    nv_device(priv)->chipset >= 0x17) {
1272 		nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x1f000000);
1273 		nv_wr32(priv, 0x400a10, 0x03ff3fb6);
1274 		nv_wr32(priv, 0x400838, 0x002f8684);
1275 		nv_wr32(priv, 0x40083c, 0x00115f3f);
1276 		nv_wr32(priv, 0x4006b0, 0x40000020);
1277 	} else {
1278 		nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00000000);
1279 	}
1280 
1281 	/* Turn all the tiling regions off. */
1282 	for (i = 0; i < fb->tile.regions; i++)
1283 		engine->tile_prog(engine, i);
1284 
1285 	nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(0), 0x00000000);
1286 	nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(1), 0x00000000);
1287 	nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(2), 0x00000000);
1288 	nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(3), 0x00000000);
1289 	nv_wr32(priv, NV10_PGRAPH_CTX_SWITCH(4), 0x00000000);
1290 	nv_wr32(priv, NV10_PGRAPH_STATE, 0xFFFFFFFF);
1291 
1292 	nv_mask(priv, NV10_PGRAPH_CTX_USER, 0xff000000, 0x1f000000);
1293 	nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
1294 	nv_wr32(priv, NV10_PGRAPH_FFINTFC_ST2, 0x08000000);
1295 	return 0;
1296 }
1297 
1298 static int
1299 nv10_gr_fini(struct nvkm_object *object, bool suspend)
1300 {
1301 	struct nv10_gr_priv *priv = (void *)object;
1302 	return nvkm_gr_fini(&priv->base, suspend);
1303 }
1304 
1305 struct nvkm_oclass
1306 nv10_gr_oclass = {
1307 	.handle = NV_ENGINE(GR, 0x10),
1308 	.ofuncs = &(struct nvkm_ofuncs) {
1309 		.ctor = nv10_gr_ctor,
1310 		.dtor = nv10_gr_dtor,
1311 		.init = nv10_gr_init,
1312 		.fini = nv10_gr_fini,
1313 	},
1314 };
1315