1 #include "nv20.h"
2 #include "regs.h"
3 
4 #include <core/client.h>
5 #include <core/gpuobj.h>
6 #include <engine/fifo.h>
7 #include <engine/fifo/chan.h>
8 #include <subdev/fb.h>
9 #include <subdev/timer.h>
10 
11 /*******************************************************************************
12  * PGRAPH context
13  ******************************************************************************/
14 
15 int
16 nv20_gr_chan_init(struct nvkm_object *object)
17 {
18 	struct nv20_gr_chan *chan = nv20_gr_chan(object);
19 	struct nv20_gr *gr = chan->gr;
20 	u32 inst = nvkm_memory_addr(chan->inst);
21 
22 	nvkm_kmap(gr->ctxtab);
23 	nvkm_wo32(gr->ctxtab, chan->chid * 4, inst >> 4);
24 	nvkm_done(gr->ctxtab);
25 	return 0;
26 }
27 
28 int
29 nv20_gr_chan_fini(struct nvkm_object *object, bool suspend)
30 {
31 	struct nv20_gr_chan *chan = nv20_gr_chan(object);
32 	struct nv20_gr *gr = chan->gr;
33 	struct nvkm_device *device = gr->base.engine.subdev.device;
34 	u32 inst = nvkm_memory_addr(chan->inst);
35 	int chid = -1;
36 
37 	nvkm_mask(device, 0x400720, 0x00000001, 0x00000000);
38 	if (nvkm_rd32(device, 0x400144) & 0x00010000)
39 		chid = (nvkm_rd32(device, 0x400148) & 0x1f000000) >> 24;
40 	if (chan->chid == chid) {
41 		nvkm_wr32(device, 0x400784, inst >> 4);
42 		nvkm_wr32(device, 0x400788, 0x00000002);
43 		nvkm_msec(device, 2000,
44 			if (!nvkm_rd32(device, 0x400700))
45 				break;
46 		);
47 		nvkm_wr32(device, 0x400144, 0x10000000);
48 		nvkm_mask(device, 0x400148, 0xff000000, 0x1f000000);
49 	}
50 	nvkm_mask(device, 0x400720, 0x00000001, 0x00000001);
51 
52 	nvkm_kmap(gr->ctxtab);
53 	nvkm_wo32(gr->ctxtab, chan->chid * 4, 0x00000000);
54 	nvkm_done(gr->ctxtab);
55 	return 0;
56 }
57 
58 void *
59 nv20_gr_chan_dtor(struct nvkm_object *object)
60 {
61 	struct nv20_gr_chan *chan = nv20_gr_chan(object);
62 	nvkm_memory_del(&chan->inst);
63 	return chan;
64 }
65 
66 static const struct nvkm_object_func
67 nv20_gr_chan = {
68 	.dtor = nv20_gr_chan_dtor,
69 	.init = nv20_gr_chan_init,
70 	.fini = nv20_gr_chan_fini,
71 };
72 
73 static int
74 nv20_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
75 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
76 {
77 	struct nv20_gr *gr = nv20_gr(base);
78 	struct nv20_gr_chan *chan;
79 	int ret, i;
80 
81 	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
82 		return -ENOMEM;
83 	nvkm_object_ctor(&nv20_gr_chan, oclass, &chan->object);
84 	chan->gr = gr;
85 	chan->chid = fifoch->chid;
86 	*pobject = &chan->object;
87 
88 	ret = nvkm_memory_new(gr->base.engine.subdev.device,
89 			      NVKM_MEM_TARGET_INST, 0x37f0, 16, true,
90 			      &chan->inst);
91 	if (ret)
92 		return ret;
93 
94 	nvkm_kmap(chan->inst);
95 	nvkm_wo32(chan->inst, 0x0000, 0x00000001 | (chan->chid << 24));
96 	nvkm_wo32(chan->inst, 0x033c, 0xffff0000);
97 	nvkm_wo32(chan->inst, 0x03a0, 0x0fff0000);
98 	nvkm_wo32(chan->inst, 0x03a4, 0x0fff0000);
99 	nvkm_wo32(chan->inst, 0x047c, 0x00000101);
100 	nvkm_wo32(chan->inst, 0x0490, 0x00000111);
101 	nvkm_wo32(chan->inst, 0x04a8, 0x44400000);
102 	for (i = 0x04d4; i <= 0x04e0; i += 4)
103 		nvkm_wo32(chan->inst, i, 0x00030303);
104 	for (i = 0x04f4; i <= 0x0500; i += 4)
105 		nvkm_wo32(chan->inst, i, 0x00080000);
106 	for (i = 0x050c; i <= 0x0518; i += 4)
107 		nvkm_wo32(chan->inst, i, 0x01012000);
108 	for (i = 0x051c; i <= 0x0528; i += 4)
109 		nvkm_wo32(chan->inst, i, 0x000105b8);
110 	for (i = 0x052c; i <= 0x0538; i += 4)
111 		nvkm_wo32(chan->inst, i, 0x00080008);
112 	for (i = 0x055c; i <= 0x0598; i += 4)
113 		nvkm_wo32(chan->inst, i, 0x07ff0000);
114 	nvkm_wo32(chan->inst, 0x05a4, 0x4b7fffff);
115 	nvkm_wo32(chan->inst, 0x05fc, 0x00000001);
116 	nvkm_wo32(chan->inst, 0x0604, 0x00004000);
117 	nvkm_wo32(chan->inst, 0x0610, 0x00000001);
118 	nvkm_wo32(chan->inst, 0x0618, 0x00040000);
119 	nvkm_wo32(chan->inst, 0x061c, 0x00010000);
120 	for (i = 0x1c1c; i <= 0x248c; i += 16) {
121 		nvkm_wo32(chan->inst, (i + 0), 0x10700ff9);
122 		nvkm_wo32(chan->inst, (i + 4), 0x0436086c);
123 		nvkm_wo32(chan->inst, (i + 8), 0x000c001b);
124 	}
125 	nvkm_wo32(chan->inst, 0x281c, 0x3f800000);
126 	nvkm_wo32(chan->inst, 0x2830, 0x3f800000);
127 	nvkm_wo32(chan->inst, 0x285c, 0x40000000);
128 	nvkm_wo32(chan->inst, 0x2860, 0x3f800000);
129 	nvkm_wo32(chan->inst, 0x2864, 0x3f000000);
130 	nvkm_wo32(chan->inst, 0x286c, 0x40000000);
131 	nvkm_wo32(chan->inst, 0x2870, 0x3f800000);
132 	nvkm_wo32(chan->inst, 0x2878, 0xbf800000);
133 	nvkm_wo32(chan->inst, 0x2880, 0xbf800000);
134 	nvkm_wo32(chan->inst, 0x34a4, 0x000fe000);
135 	nvkm_wo32(chan->inst, 0x3530, 0x000003f8);
136 	nvkm_wo32(chan->inst, 0x3540, 0x002fe000);
137 	for (i = 0x355c; i <= 0x3578; i += 4)
138 		nvkm_wo32(chan->inst, i, 0x001c527c);
139 	nvkm_done(chan->inst);
140 	return 0;
141 }
142 
143 /*******************************************************************************
144  * PGRAPH engine/subdev functions
145  ******************************************************************************/
146 
147 void
148 nv20_gr_tile(struct nvkm_gr *base, int i, struct nvkm_fb_tile *tile)
149 {
150 	struct nv20_gr *gr = nv20_gr(base);
151 	struct nvkm_device *device = gr->base.engine.subdev.device;
152 	struct nvkm_fifo *fifo = device->fifo;
153 	unsigned long flags;
154 
155 	nvkm_fifo_pause(fifo, &flags);
156 	nv04_gr_idle(&gr->base);
157 
158 	nvkm_wr32(device, NV20_PGRAPH_TLIMIT(i), tile->limit);
159 	nvkm_wr32(device, NV20_PGRAPH_TSIZE(i), tile->pitch);
160 	nvkm_wr32(device, NV20_PGRAPH_TILE(i), tile->addr);
161 
162 	nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0030 + 4 * i);
163 	nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->limit);
164 	nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0050 + 4 * i);
165 	nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->pitch);
166 	nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0010 + 4 * i);
167 	nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->addr);
168 
169 	if (device->chipset != 0x34) {
170 		nvkm_wr32(device, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
171 		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00ea0090 + 4 * i);
172 		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->zcomp);
173 	}
174 
175 	nvkm_fifo_start(fifo, &flags);
176 }
177 
178 void
179 nv20_gr_intr(struct nvkm_gr *base)
180 {
181 	struct nv20_gr *gr = nv20_gr(base);
182 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
183 	struct nvkm_device *device = subdev->device;
184 	struct nvkm_fifo_chan *chan;
185 	u32 stat = nvkm_rd32(device, NV03_PGRAPH_INTR);
186 	u32 nsource = nvkm_rd32(device, NV03_PGRAPH_NSOURCE);
187 	u32 nstatus = nvkm_rd32(device, NV03_PGRAPH_NSTATUS);
188 	u32 addr = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR);
189 	u32 chid = (addr & 0x01f00000) >> 20;
190 	u32 subc = (addr & 0x00070000) >> 16;
191 	u32 mthd = (addr & 0x00001ffc);
192 	u32 data = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_DATA);
193 	u32 class = nvkm_rd32(device, 0x400160 + subc * 4) & 0xfff;
194 	u32 show = stat;
195 	char msg[128], src[128], sta[128];
196 	unsigned long flags;
197 
198 	chan = nvkm_fifo_chan_chid(device->fifo, chid, &flags);
199 
200 	nvkm_wr32(device, NV03_PGRAPH_INTR, stat);
201 	nvkm_wr32(device, NV04_PGRAPH_FIFO, 0x00000001);
202 
203 	if (show) {
204 		nvkm_snprintbf(msg, sizeof(msg), nv10_gr_intr_name, show);
205 		nvkm_snprintbf(src, sizeof(src), nv04_gr_nsource, nsource);
206 		nvkm_snprintbf(sta, sizeof(sta), nv10_gr_nstatus, nstatus);
207 		nvkm_error(subdev, "intr %08x [%s] nsource %08x [%s] "
208 				   "nstatus %08x [%s] ch %d [%s] subc %d "
209 				   "class %04x mthd %04x data %08x\n",
210 			   show, msg, nsource, src, nstatus, sta, chid,
211 			   chan ? chan->object.client->name : "unknown",
212 			   subc, class, mthd, data);
213 	}
214 
215 	nvkm_fifo_chan_put(device->fifo, flags, &chan);
216 }
217 
218 int
219 nv20_gr_oneinit(struct nvkm_gr *base)
220 {
221 	struct nv20_gr *gr = nv20_gr(base);
222 	return nvkm_memory_new(gr->base.engine.subdev.device,
223 			       NVKM_MEM_TARGET_INST, 32 * 4, 16,
224 			       true, &gr->ctxtab);
225 }
226 
227 int
228 nv20_gr_init(struct nvkm_gr *base)
229 {
230 	struct nv20_gr *gr = nv20_gr(base);
231 	struct nvkm_device *device = gr->base.engine.subdev.device;
232 	u32 tmp, vramsz;
233 	int i;
234 
235 	nvkm_wr32(device, NV20_PGRAPH_CHANNEL_CTX_TABLE,
236 			  nvkm_memory_addr(gr->ctxtab) >> 4);
237 
238 	if (device->chipset == 0x20) {
239 		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x003d0000);
240 		for (i = 0; i < 15; i++)
241 			nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, 0x00000000);
242 		nvkm_msec(device, 2000,
243 			if (!nvkm_rd32(device, 0x400700))
244 				break;
245 		);
246 	} else {
247 		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x02c80000);
248 		for (i = 0; i < 32; i++)
249 			nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, 0x00000000);
250 		nvkm_msec(device, 2000,
251 			if (!nvkm_rd32(device, 0x400700))
252 				break;
253 		);
254 	}
255 
256 	nvkm_wr32(device, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
257 	nvkm_wr32(device, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
258 
259 	nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
260 	nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0x00000000);
261 	nvkm_wr32(device, NV04_PGRAPH_DEBUG_1, 0x00118700);
262 	nvkm_wr32(device, NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
263 	nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x00000000);
264 	nvkm_wr32(device, 0x40009C           , 0x00000040);
265 
266 	if (device->chipset >= 0x25) {
267 		nvkm_wr32(device, 0x400890, 0x00a8cfff);
268 		nvkm_wr32(device, 0x400610, 0x304B1FB6);
269 		nvkm_wr32(device, 0x400B80, 0x1cbd3883);
270 		nvkm_wr32(device, 0x400B84, 0x44000000);
271 		nvkm_wr32(device, 0x400098, 0x40000080);
272 		nvkm_wr32(device, 0x400B88, 0x000000ff);
273 
274 	} else {
275 		nvkm_wr32(device, 0x400880, 0x0008c7df);
276 		nvkm_wr32(device, 0x400094, 0x00000005);
277 		nvkm_wr32(device, 0x400B80, 0x45eae20e);
278 		nvkm_wr32(device, 0x400B84, 0x24000000);
279 		nvkm_wr32(device, 0x400098, 0x00000040);
280 		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00E00038);
281 		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000030);
282 		nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00E10038);
283 		nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000030);
284 	}
285 
286 	nvkm_wr32(device, 0x4009a0, nvkm_rd32(device, 0x100324));
287 	nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
288 	nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, nvkm_rd32(device, 0x100324));
289 
290 	nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
291 	nvkm_wr32(device, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
292 
293 	tmp = nvkm_rd32(device, NV10_PGRAPH_SURFACE) & 0x0007ff00;
294 	nvkm_wr32(device, NV10_PGRAPH_SURFACE, tmp);
295 	tmp = nvkm_rd32(device, NV10_PGRAPH_SURFACE) | 0x00020100;
296 	nvkm_wr32(device, NV10_PGRAPH_SURFACE, tmp);
297 
298 	/* begin RAM config */
299 	vramsz = device->func->resource_size(device, 1) - 1;
300 	nvkm_wr32(device, 0x4009A4, nvkm_rd32(device, 0x100200));
301 	nvkm_wr32(device, 0x4009A8, nvkm_rd32(device, 0x100204));
302 	nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
303 	nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , nvkm_rd32(device, 0x100200));
304 	nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
305 	nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , nvkm_rd32(device, 0x100204));
306 	nvkm_wr32(device, 0x400820, 0);
307 	nvkm_wr32(device, 0x400824, 0);
308 	nvkm_wr32(device, 0x400864, vramsz - 1);
309 	nvkm_wr32(device, 0x400868, vramsz - 1);
310 
311 	/* interesting.. the below overwrites some of the tile setup above.. */
312 	nvkm_wr32(device, 0x400B20, 0x00000000);
313 	nvkm_wr32(device, 0x400B04, 0xFFFFFFFF);
314 
315 	nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
316 	nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
317 	nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
318 	nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
319 	return 0;
320 }
321 
322 void *
323 nv20_gr_dtor(struct nvkm_gr *base)
324 {
325 	struct nv20_gr *gr = nv20_gr(base);
326 	nvkm_memory_del(&gr->ctxtab);
327 	return gr;
328 }
329 
330 int
331 nv20_gr_new_(const struct nvkm_gr_func *func, struct nvkm_device *device,
332 	     int index, struct nvkm_gr **pgr)
333 {
334 	struct nv20_gr *gr;
335 
336 	if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
337 		return -ENOMEM;
338 	*pgr = &gr->base;
339 
340 	return nvkm_gr_ctor(func, device, index, true, &gr->base);
341 }
342 
343 static const struct nvkm_gr_func
344 nv20_gr = {
345 	.dtor = nv20_gr_dtor,
346 	.oneinit = nv20_gr_oneinit,
347 	.init = nv20_gr_init,
348 	.intr = nv20_gr_intr,
349 	.tile = nv20_gr_tile,
350 	.chan_new = nv20_gr_chan_new,
351 	.sclass = {
352 		{ -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
353 		{ -1, -1, 0x0019, &nv04_gr_object }, /* clip */
354 		{ -1, -1, 0x0030, &nv04_gr_object }, /* null */
355 		{ -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
356 		{ -1, -1, 0x0043, &nv04_gr_object }, /* rop */
357 		{ -1, -1, 0x0044, &nv04_gr_object }, /* patt */
358 		{ -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
359 		{ -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
360 		{ -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
361 		{ -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
362 		{ -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
363 		{ -1, -1, 0x0096, &nv04_gr_object }, /* celcius */
364 		{ -1, -1, 0x0097, &nv04_gr_object }, /* kelvin */
365 		{ -1, -1, 0x009e, &nv04_gr_object }, /* swzsurf */
366 		{ -1, -1, 0x009f, &nv04_gr_object }, /* imageblit */
367 		{}
368 	}
369 };
370 
371 int
372 nv20_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
373 {
374 	return nv20_gr_new_(&nv20_gr, device, index, pgr);
375 }
376