1 #include "nv20.h"
2 #include "regs.h"
3 
4 #include <core/client.h>
5 #include <core/device.h>
6 #include <core/handle.h>
7 #include <engine/fifo.h>
8 #include <subdev/fb.h>
9 #include <subdev/timer.h>
10 
11 /*******************************************************************************
12  * Graphics object classes
13  ******************************************************************************/
14 
15 static struct nvkm_oclass
16 nv20_gr_sclass[] = {
17 	{ 0x0012, &nv04_gr_ofuncs, NULL }, /* beta1 */
18 	{ 0x0019, &nv04_gr_ofuncs, NULL }, /* clip */
19 	{ 0x0030, &nv04_gr_ofuncs, NULL }, /* null */
20 	{ 0x0039, &nv04_gr_ofuncs, NULL }, /* m2mf */
21 	{ 0x0043, &nv04_gr_ofuncs, NULL }, /* rop */
22 	{ 0x0044, &nv04_gr_ofuncs, NULL }, /* patt */
23 	{ 0x004a, &nv04_gr_ofuncs, NULL }, /* gdi */
24 	{ 0x0062, &nv04_gr_ofuncs, NULL }, /* surf2d */
25 	{ 0x0072, &nv04_gr_ofuncs, NULL }, /* beta4 */
26 	{ 0x0089, &nv04_gr_ofuncs, NULL }, /* sifm */
27 	{ 0x008a, &nv04_gr_ofuncs, NULL }, /* ifc */
28 	{ 0x0096, &nv04_gr_ofuncs, NULL }, /* celcius */
29 	{ 0x0097, &nv04_gr_ofuncs, NULL }, /* kelvin */
30 	{ 0x009e, &nv04_gr_ofuncs, NULL }, /* swzsurf */
31 	{ 0x009f, &nv04_gr_ofuncs, NULL }, /* imageblit */
32 	{},
33 };
34 
35 /*******************************************************************************
36  * PGRAPH context
37  ******************************************************************************/
38 
39 static int
40 nv20_gr_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
41 		     struct nvkm_oclass *oclass, void *data, u32 size,
42 		     struct nvkm_object **pobject)
43 {
44 	struct nv20_gr_chan *chan;
45 	int ret, i;
46 
47 	ret = nvkm_gr_context_create(parent, engine, oclass, NULL, 0x37f0,
48 				     16, NVOBJ_FLAG_ZERO_ALLOC, &chan);
49 	*pobject = nv_object(chan);
50 	if (ret)
51 		return ret;
52 
53 	chan->chid = nvkm_fifo_chan(parent)->chid;
54 
55 	nv_wo32(chan, 0x0000, 0x00000001 | (chan->chid << 24));
56 	nv_wo32(chan, 0x033c, 0xffff0000);
57 	nv_wo32(chan, 0x03a0, 0x0fff0000);
58 	nv_wo32(chan, 0x03a4, 0x0fff0000);
59 	nv_wo32(chan, 0x047c, 0x00000101);
60 	nv_wo32(chan, 0x0490, 0x00000111);
61 	nv_wo32(chan, 0x04a8, 0x44400000);
62 	for (i = 0x04d4; i <= 0x04e0; i += 4)
63 		nv_wo32(chan, i, 0x00030303);
64 	for (i = 0x04f4; i <= 0x0500; i += 4)
65 		nv_wo32(chan, i, 0x00080000);
66 	for (i = 0x050c; i <= 0x0518; i += 4)
67 		nv_wo32(chan, i, 0x01012000);
68 	for (i = 0x051c; i <= 0x0528; i += 4)
69 		nv_wo32(chan, i, 0x000105b8);
70 	for (i = 0x052c; i <= 0x0538; i += 4)
71 		nv_wo32(chan, i, 0x00080008);
72 	for (i = 0x055c; i <= 0x0598; i += 4)
73 		nv_wo32(chan, i, 0x07ff0000);
74 	nv_wo32(chan, 0x05a4, 0x4b7fffff);
75 	nv_wo32(chan, 0x05fc, 0x00000001);
76 	nv_wo32(chan, 0x0604, 0x00004000);
77 	nv_wo32(chan, 0x0610, 0x00000001);
78 	nv_wo32(chan, 0x0618, 0x00040000);
79 	nv_wo32(chan, 0x061c, 0x00010000);
80 	for (i = 0x1c1c; i <= 0x248c; i += 16) {
81 		nv_wo32(chan, (i + 0), 0x10700ff9);
82 		nv_wo32(chan, (i + 4), 0x0436086c);
83 		nv_wo32(chan, (i + 8), 0x000c001b);
84 	}
85 	nv_wo32(chan, 0x281c, 0x3f800000);
86 	nv_wo32(chan, 0x2830, 0x3f800000);
87 	nv_wo32(chan, 0x285c, 0x40000000);
88 	nv_wo32(chan, 0x2860, 0x3f800000);
89 	nv_wo32(chan, 0x2864, 0x3f000000);
90 	nv_wo32(chan, 0x286c, 0x40000000);
91 	nv_wo32(chan, 0x2870, 0x3f800000);
92 	nv_wo32(chan, 0x2878, 0xbf800000);
93 	nv_wo32(chan, 0x2880, 0xbf800000);
94 	nv_wo32(chan, 0x34a4, 0x000fe000);
95 	nv_wo32(chan, 0x3530, 0x000003f8);
96 	nv_wo32(chan, 0x3540, 0x002fe000);
97 	for (i = 0x355c; i <= 0x3578; i += 4)
98 		nv_wo32(chan, i, 0x001c527c);
99 	return 0;
100 }
101 
102 int
103 nv20_gr_context_init(struct nvkm_object *object)
104 {
105 	struct nv20_gr_priv *priv = (void *)object->engine;
106 	struct nv20_gr_chan *chan = (void *)object;
107 	int ret;
108 
109 	ret = nvkm_gr_context_init(&chan->base);
110 	if (ret)
111 		return ret;
112 
113 	nv_wo32(priv->ctxtab, chan->chid * 4, nv_gpuobj(chan)->addr >> 4);
114 	return 0;
115 }
116 
117 int
118 nv20_gr_context_fini(struct nvkm_object *object, bool suspend)
119 {
120 	struct nv20_gr_priv *priv = (void *)object->engine;
121 	struct nv20_gr_chan *chan = (void *)object;
122 	int chid = -1;
123 
124 	nv_mask(priv, 0x400720, 0x00000001, 0x00000000);
125 	if (nv_rd32(priv, 0x400144) & 0x00010000)
126 		chid = (nv_rd32(priv, 0x400148) & 0x1f000000) >> 24;
127 	if (chan->chid == chid) {
128 		nv_wr32(priv, 0x400784, nv_gpuobj(chan)->addr >> 4);
129 		nv_wr32(priv, 0x400788, 0x00000002);
130 		nv_wait(priv, 0x400700, 0xffffffff, 0x00000000);
131 		nv_wr32(priv, 0x400144, 0x10000000);
132 		nv_mask(priv, 0x400148, 0xff000000, 0x1f000000);
133 	}
134 	nv_mask(priv, 0x400720, 0x00000001, 0x00000001);
135 
136 	nv_wo32(priv->ctxtab, chan->chid * 4, 0x00000000);
137 	return nvkm_gr_context_fini(&chan->base, suspend);
138 }
139 
140 static struct nvkm_oclass
141 nv20_gr_cclass = {
142 	.handle = NV_ENGCTX(GR, 0x20),
143 	.ofuncs = &(struct nvkm_ofuncs) {
144 		.ctor = nv20_gr_context_ctor,
145 		.dtor = _nvkm_gr_context_dtor,
146 		.init = nv20_gr_context_init,
147 		.fini = nv20_gr_context_fini,
148 		.rd32 = _nvkm_gr_context_rd32,
149 		.wr32 = _nvkm_gr_context_wr32,
150 	},
151 };
152 
153 /*******************************************************************************
154  * PGRAPH engine/subdev functions
155  ******************************************************************************/
156 
157 void
158 nv20_gr_tile_prog(struct nvkm_engine *engine, int i)
159 {
160 	struct nvkm_fb_tile *tile = &nvkm_fb(engine)->tile.region[i];
161 	struct nvkm_fifo *pfifo = nvkm_fifo(engine);
162 	struct nv20_gr_priv *priv = (void *)engine;
163 	unsigned long flags;
164 
165 	pfifo->pause(pfifo, &flags);
166 	nv04_gr_idle(priv);
167 
168 	nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
169 	nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
170 	nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
171 
172 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0030 + 4 * i);
173 	nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->limit);
174 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0050 + 4 * i);
175 	nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->pitch);
176 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0010 + 4 * i);
177 	nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->addr);
178 
179 	if (nv_device(engine)->chipset != 0x34) {
180 		nv_wr32(priv, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
181 		nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00ea0090 + 4 * i);
182 		nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->zcomp);
183 	}
184 
185 	pfifo->start(pfifo, &flags);
186 }
187 
188 void
189 nv20_gr_intr(struct nvkm_subdev *subdev)
190 {
191 	struct nvkm_engine *engine = nv_engine(subdev);
192 	struct nvkm_object *engctx;
193 	struct nvkm_handle *handle;
194 	struct nv20_gr_priv *priv = (void *)subdev;
195 	u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
196 	u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
197 	u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
198 	u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
199 	u32 chid = (addr & 0x01f00000) >> 20;
200 	u32 subc = (addr & 0x00070000) >> 16;
201 	u32 mthd = (addr & 0x00001ffc);
202 	u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
203 	u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xfff;
204 	u32 show = stat;
205 
206 	engctx = nvkm_engctx_get(engine, chid);
207 	if (stat & NV_PGRAPH_INTR_ERROR) {
208 		if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
209 			handle = nvkm_handle_get_class(engctx, class);
210 			if (handle && !nv_call(handle->object, mthd, data))
211 				show &= ~NV_PGRAPH_INTR_ERROR;
212 			nvkm_handle_put(handle);
213 		}
214 	}
215 
216 	nv_wr32(priv, NV03_PGRAPH_INTR, stat);
217 	nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);
218 
219 	if (show) {
220 		nv_error(priv, "%s", "");
221 		nvkm_bitfield_print(nv10_gr_intr_name, show);
222 		pr_cont(" nsource:");
223 		nvkm_bitfield_print(nv04_gr_nsource, nsource);
224 		pr_cont(" nstatus:");
225 		nvkm_bitfield_print(nv10_gr_nstatus, nstatus);
226 		pr_cont("\n");
227 		nv_error(priv,
228 			 "ch %d [%s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
229 			 chid, nvkm_client_name(engctx), subc, class, mthd,
230 			 data);
231 	}
232 
233 	nvkm_engctx_put(engctx);
234 }
235 
236 static int
237 nv20_gr_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
238 	     struct nvkm_oclass *oclass, void *data, u32 size,
239 	     struct nvkm_object **pobject)
240 {
241 	struct nv20_gr_priv *priv;
242 	int ret;
243 
244 	ret = nvkm_gr_create(parent, engine, oclass, true, &priv);
245 	*pobject = nv_object(priv);
246 	if (ret)
247 		return ret;
248 
249 	ret = nvkm_gpuobj_new(nv_object(priv), NULL, 32 * 4, 16,
250 			      NVOBJ_FLAG_ZERO_ALLOC, &priv->ctxtab);
251 	if (ret)
252 		return ret;
253 
254 	nv_subdev(priv)->unit = 0x00001000;
255 	nv_subdev(priv)->intr = nv20_gr_intr;
256 	nv_engine(priv)->cclass = &nv20_gr_cclass;
257 	nv_engine(priv)->sclass = nv20_gr_sclass;
258 	nv_engine(priv)->tile_prog = nv20_gr_tile_prog;
259 	return 0;
260 }
261 
262 void
263 nv20_gr_dtor(struct nvkm_object *object)
264 {
265 	struct nv20_gr_priv *priv = (void *)object;
266 	nvkm_gpuobj_ref(NULL, &priv->ctxtab);
267 	nvkm_gr_destroy(&priv->base);
268 }
269 
270 int
271 nv20_gr_init(struct nvkm_object *object)
272 {
273 	struct nvkm_engine *engine = nv_engine(object);
274 	struct nv20_gr_priv *priv = (void *)engine;
275 	struct nvkm_fb *pfb = nvkm_fb(object);
276 	u32 tmp, vramsz;
277 	int ret, i;
278 
279 	ret = nvkm_gr_init(&priv->base);
280 	if (ret)
281 		return ret;
282 
283 	nv_wr32(priv, NV20_PGRAPH_CHANNEL_CTX_TABLE, priv->ctxtab->addr >> 4);
284 
285 	if (nv_device(priv)->chipset == 0x20) {
286 		nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x003d0000);
287 		for (i = 0; i < 15; i++)
288 			nv_wr32(priv, NV10_PGRAPH_RDI_DATA, 0x00000000);
289 		nv_wait(priv, 0x400700, 0xffffffff, 0x00000000);
290 	} else {
291 		nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x02c80000);
292 		for (i = 0; i < 32; i++)
293 			nv_wr32(priv, NV10_PGRAPH_RDI_DATA, 0x00000000);
294 		nv_wait(priv, 0x400700, 0xffffffff, 0x00000000);
295 	}
296 
297 	nv_wr32(priv, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
298 	nv_wr32(priv, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
299 
300 	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
301 	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
302 	nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x00118700);
303 	nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
304 	nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00000000);
305 	nv_wr32(priv, 0x40009C           , 0x00000040);
306 
307 	if (nv_device(priv)->chipset >= 0x25) {
308 		nv_wr32(priv, 0x400890, 0x00a8cfff);
309 		nv_wr32(priv, 0x400610, 0x304B1FB6);
310 		nv_wr32(priv, 0x400B80, 0x1cbd3883);
311 		nv_wr32(priv, 0x400B84, 0x44000000);
312 		nv_wr32(priv, 0x400098, 0x40000080);
313 		nv_wr32(priv, 0x400B88, 0x000000ff);
314 
315 	} else {
316 		nv_wr32(priv, 0x400880, 0x0008c7df);
317 		nv_wr32(priv, 0x400094, 0x00000005);
318 		nv_wr32(priv, 0x400B80, 0x45eae20e);
319 		nv_wr32(priv, 0x400B84, 0x24000000);
320 		nv_wr32(priv, 0x400098, 0x00000040);
321 		nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00E00038);
322 		nv_wr32(priv, NV10_PGRAPH_RDI_DATA , 0x00000030);
323 		nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00E10038);
324 		nv_wr32(priv, NV10_PGRAPH_RDI_DATA , 0x00000030);
325 	}
326 
327 	/* Turn all the tiling regions off. */
328 	for (i = 0; i < pfb->tile.regions; i++)
329 		engine->tile_prog(engine, i);
330 
331 	nv_wr32(priv, 0x4009a0, nv_rd32(priv, 0x100324));
332 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
333 	nv_wr32(priv, NV10_PGRAPH_RDI_DATA, nv_rd32(priv, 0x100324));
334 
335 	nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
336 	nv_wr32(priv, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
337 
338 	tmp = nv_rd32(priv, NV10_PGRAPH_SURFACE) & 0x0007ff00;
339 	nv_wr32(priv, NV10_PGRAPH_SURFACE, tmp);
340 	tmp = nv_rd32(priv, NV10_PGRAPH_SURFACE) | 0x00020100;
341 	nv_wr32(priv, NV10_PGRAPH_SURFACE, tmp);
342 
343 	/* begin RAM config */
344 	vramsz = nv_device_resource_len(nv_device(priv), 0) - 1;
345 	nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
346 	nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
347 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
348 	nv_wr32(priv, NV10_PGRAPH_RDI_DATA , nv_rd32(priv, 0x100200));
349 	nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
350 	nv_wr32(priv, NV10_PGRAPH_RDI_DATA , nv_rd32(priv, 0x100204));
351 	nv_wr32(priv, 0x400820, 0);
352 	nv_wr32(priv, 0x400824, 0);
353 	nv_wr32(priv, 0x400864, vramsz - 1);
354 	nv_wr32(priv, 0x400868, vramsz - 1);
355 
356 	/* interesting.. the below overwrites some of the tile setup above.. */
357 	nv_wr32(priv, 0x400B20, 0x00000000);
358 	nv_wr32(priv, 0x400B04, 0xFFFFFFFF);
359 
360 	nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
361 	nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
362 	nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
363 	nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
364 	return 0;
365 }
366 
367 struct nvkm_oclass
368 nv20_gr_oclass = {
369 	.handle = NV_ENGINE(GR, 0x20),
370 	.ofuncs = &(struct nvkm_ofuncs) {
371 		.ctor = nv20_gr_ctor,
372 		.dtor = nv20_gr_dtor,
373 		.init = nv20_gr_init,
374 		.fini = _nvkm_gr_fini,
375 	},
376 };
377