1 // SPDX-License-Identifier: MIT
2 #include "nv20.h"
3 #include "regs.h"
4
5 #include <core/client.h>
6 #include <core/gpuobj.h>
7 #include <engine/fifo.h>
8 #include <engine/fifo/chan.h>
9 #include <subdev/fb.h>
10 #include <subdev/timer.h>
11
12 /*******************************************************************************
13 * PGRAPH context
14 ******************************************************************************/
15
16 int
nv20_gr_chan_init(struct nvkm_object * object)17 nv20_gr_chan_init(struct nvkm_object *object)
18 {
19 struct nv20_gr_chan *chan = nv20_gr_chan(object);
20 struct nv20_gr *gr = chan->gr;
21 u32 inst = nvkm_memory_addr(chan->inst);
22
23 nvkm_kmap(gr->ctxtab);
24 nvkm_wo32(gr->ctxtab, chan->chid * 4, inst >> 4);
25 nvkm_done(gr->ctxtab);
26 return 0;
27 }
28
29 int
nv20_gr_chan_fini(struct nvkm_object * object,bool suspend)30 nv20_gr_chan_fini(struct nvkm_object *object, bool suspend)
31 {
32 struct nv20_gr_chan *chan = nv20_gr_chan(object);
33 struct nv20_gr *gr = chan->gr;
34 struct nvkm_device *device = gr->base.engine.subdev.device;
35 u32 inst = nvkm_memory_addr(chan->inst);
36 int chid = -1;
37
38 nvkm_mask(device, 0x400720, 0x00000001, 0x00000000);
39 if (nvkm_rd32(device, 0x400144) & 0x00010000)
40 chid = (nvkm_rd32(device, 0x400148) & 0x1f000000) >> 24;
41 if (chan->chid == chid) {
42 nvkm_wr32(device, 0x400784, inst >> 4);
43 nvkm_wr32(device, 0x400788, 0x00000002);
44 nvkm_msec(device, 2000,
45 if (!nvkm_rd32(device, 0x400700))
46 break;
47 );
48 nvkm_wr32(device, 0x400144, 0x10000000);
49 nvkm_mask(device, 0x400148, 0xff000000, 0x1f000000);
50 }
51 nvkm_mask(device, 0x400720, 0x00000001, 0x00000001);
52
53 nvkm_kmap(gr->ctxtab);
54 nvkm_wo32(gr->ctxtab, chan->chid * 4, 0x00000000);
55 nvkm_done(gr->ctxtab);
56 return 0;
57 }
58
59 void *
nv20_gr_chan_dtor(struct nvkm_object * object)60 nv20_gr_chan_dtor(struct nvkm_object *object)
61 {
62 struct nv20_gr_chan *chan = nv20_gr_chan(object);
63 nvkm_memory_unref(&chan->inst);
64 return chan;
65 }
66
67 static const struct nvkm_object_func
68 nv20_gr_chan = {
69 .dtor = nv20_gr_chan_dtor,
70 .init = nv20_gr_chan_init,
71 .fini = nv20_gr_chan_fini,
72 };
73
74 static int
nv20_gr_chan_new(struct nvkm_gr * base,struct nvkm_fifo_chan * fifoch,const struct nvkm_oclass * oclass,struct nvkm_object ** pobject)75 nv20_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
76 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
77 {
78 struct nv20_gr *gr = nv20_gr(base);
79 struct nv20_gr_chan *chan;
80 int ret, i;
81
82 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
83 return -ENOMEM;
84 nvkm_object_ctor(&nv20_gr_chan, oclass, &chan->object);
85 chan->gr = gr;
86 chan->chid = fifoch->chid;
87 *pobject = &chan->object;
88
89 ret = nvkm_memory_new(gr->base.engine.subdev.device,
90 NVKM_MEM_TARGET_INST, 0x37f0, 16, true,
91 &chan->inst);
92 if (ret)
93 return ret;
94
95 nvkm_kmap(chan->inst);
96 nvkm_wo32(chan->inst, 0x0000, 0x00000001 | (chan->chid << 24));
97 nvkm_wo32(chan->inst, 0x033c, 0xffff0000);
98 nvkm_wo32(chan->inst, 0x03a0, 0x0fff0000);
99 nvkm_wo32(chan->inst, 0x03a4, 0x0fff0000);
100 nvkm_wo32(chan->inst, 0x047c, 0x00000101);
101 nvkm_wo32(chan->inst, 0x0490, 0x00000111);
102 nvkm_wo32(chan->inst, 0x04a8, 0x44400000);
103 for (i = 0x04d4; i <= 0x04e0; i += 4)
104 nvkm_wo32(chan->inst, i, 0x00030303);
105 for (i = 0x04f4; i <= 0x0500; i += 4)
106 nvkm_wo32(chan->inst, i, 0x00080000);
107 for (i = 0x050c; i <= 0x0518; i += 4)
108 nvkm_wo32(chan->inst, i, 0x01012000);
109 for (i = 0x051c; i <= 0x0528; i += 4)
110 nvkm_wo32(chan->inst, i, 0x000105b8);
111 for (i = 0x052c; i <= 0x0538; i += 4)
112 nvkm_wo32(chan->inst, i, 0x00080008);
113 for (i = 0x055c; i <= 0x0598; i += 4)
114 nvkm_wo32(chan->inst, i, 0x07ff0000);
115 nvkm_wo32(chan->inst, 0x05a4, 0x4b7fffff);
116 nvkm_wo32(chan->inst, 0x05fc, 0x00000001);
117 nvkm_wo32(chan->inst, 0x0604, 0x00004000);
118 nvkm_wo32(chan->inst, 0x0610, 0x00000001);
119 nvkm_wo32(chan->inst, 0x0618, 0x00040000);
120 nvkm_wo32(chan->inst, 0x061c, 0x00010000);
121 for (i = 0x1c1c; i <= 0x248c; i += 16) {
122 nvkm_wo32(chan->inst, (i + 0), 0x10700ff9);
123 nvkm_wo32(chan->inst, (i + 4), 0x0436086c);
124 nvkm_wo32(chan->inst, (i + 8), 0x000c001b);
125 }
126 nvkm_wo32(chan->inst, 0x281c, 0x3f800000);
127 nvkm_wo32(chan->inst, 0x2830, 0x3f800000);
128 nvkm_wo32(chan->inst, 0x285c, 0x40000000);
129 nvkm_wo32(chan->inst, 0x2860, 0x3f800000);
130 nvkm_wo32(chan->inst, 0x2864, 0x3f000000);
131 nvkm_wo32(chan->inst, 0x286c, 0x40000000);
132 nvkm_wo32(chan->inst, 0x2870, 0x3f800000);
133 nvkm_wo32(chan->inst, 0x2878, 0xbf800000);
134 nvkm_wo32(chan->inst, 0x2880, 0xbf800000);
135 nvkm_wo32(chan->inst, 0x34a4, 0x000fe000);
136 nvkm_wo32(chan->inst, 0x3530, 0x000003f8);
137 nvkm_wo32(chan->inst, 0x3540, 0x002fe000);
138 for (i = 0x355c; i <= 0x3578; i += 4)
139 nvkm_wo32(chan->inst, i, 0x001c527c);
140 nvkm_done(chan->inst);
141 return 0;
142 }
143
144 /*******************************************************************************
145 * PGRAPH engine/subdev functions
146 ******************************************************************************/
147
148 void
nv20_gr_tile(struct nvkm_gr * base,int i,struct nvkm_fb_tile * tile)149 nv20_gr_tile(struct nvkm_gr *base, int i, struct nvkm_fb_tile *tile)
150 {
151 struct nv20_gr *gr = nv20_gr(base);
152 struct nvkm_device *device = gr->base.engine.subdev.device;
153 struct nvkm_fifo *fifo = device->fifo;
154 unsigned long flags;
155
156 nvkm_fifo_pause(fifo, &flags);
157 nv04_gr_idle(&gr->base);
158
159 nvkm_wr32(device, NV20_PGRAPH_TLIMIT(i), tile->limit);
160 nvkm_wr32(device, NV20_PGRAPH_TSIZE(i), tile->pitch);
161 nvkm_wr32(device, NV20_PGRAPH_TILE(i), tile->addr);
162
163 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0030 + 4 * i);
164 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->limit);
165 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0050 + 4 * i);
166 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->pitch);
167 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0010 + 4 * i);
168 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->addr);
169
170 if (device->chipset != 0x34) {
171 nvkm_wr32(device, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
172 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00ea0090 + 4 * i);
173 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, tile->zcomp);
174 }
175
176 nvkm_fifo_start(fifo, &flags);
177 }
178
179 void
nv20_gr_intr(struct nvkm_gr * base)180 nv20_gr_intr(struct nvkm_gr *base)
181 {
182 struct nv20_gr *gr = nv20_gr(base);
183 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
184 struct nvkm_device *device = subdev->device;
185 struct nvkm_fifo_chan *chan;
186 u32 stat = nvkm_rd32(device, NV03_PGRAPH_INTR);
187 u32 nsource = nvkm_rd32(device, NV03_PGRAPH_NSOURCE);
188 u32 nstatus = nvkm_rd32(device, NV03_PGRAPH_NSTATUS);
189 u32 addr = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_ADDR);
190 u32 chid = (addr & 0x01f00000) >> 20;
191 u32 subc = (addr & 0x00070000) >> 16;
192 u32 mthd = (addr & 0x00001ffc);
193 u32 data = nvkm_rd32(device, NV04_PGRAPH_TRAPPED_DATA);
194 u32 class = nvkm_rd32(device, 0x400160 + subc * 4) & 0xfff;
195 u32 show = stat;
196 char msg[128], src[128], sta[128];
197 unsigned long flags;
198
199 chan = nvkm_fifo_chan_chid(device->fifo, chid, &flags);
200
201 nvkm_wr32(device, NV03_PGRAPH_INTR, stat);
202 nvkm_wr32(device, NV04_PGRAPH_FIFO, 0x00000001);
203
204 if (show) {
205 nvkm_snprintbf(msg, sizeof(msg), nv10_gr_intr_name, show);
206 nvkm_snprintbf(src, sizeof(src), nv04_gr_nsource, nsource);
207 nvkm_snprintbf(sta, sizeof(sta), nv10_gr_nstatus, nstatus);
208 nvkm_error(subdev, "intr %08x [%s] nsource %08x [%s] "
209 "nstatus %08x [%s] ch %d [%s] subc %d "
210 "class %04x mthd %04x data %08x\n",
211 show, msg, nsource, src, nstatus, sta, chid,
212 chan ? chan->object.client->name : "unknown",
213 subc, class, mthd, data);
214 }
215
216 nvkm_fifo_chan_put(device->fifo, flags, &chan);
217 }
218
219 int
nv20_gr_oneinit(struct nvkm_gr * base)220 nv20_gr_oneinit(struct nvkm_gr *base)
221 {
222 struct nv20_gr *gr = nv20_gr(base);
223 return nvkm_memory_new(gr->base.engine.subdev.device,
224 NVKM_MEM_TARGET_INST, 32 * 4, 16,
225 true, &gr->ctxtab);
226 }
227
228 int
nv20_gr_init(struct nvkm_gr * base)229 nv20_gr_init(struct nvkm_gr *base)
230 {
231 struct nv20_gr *gr = nv20_gr(base);
232 struct nvkm_device *device = gr->base.engine.subdev.device;
233 u32 tmp, vramsz;
234 int i;
235
236 nvkm_wr32(device, NV20_PGRAPH_CHANNEL_CTX_TABLE,
237 nvkm_memory_addr(gr->ctxtab) >> 4);
238
239 if (device->chipset == 0x20) {
240 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x003d0000);
241 for (i = 0; i < 15; i++)
242 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, 0x00000000);
243 nvkm_msec(device, 2000,
244 if (!nvkm_rd32(device, 0x400700))
245 break;
246 );
247 } else {
248 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x02c80000);
249 for (i = 0; i < 32; i++)
250 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, 0x00000000);
251 nvkm_msec(device, 2000,
252 if (!nvkm_rd32(device, 0x400700))
253 break;
254 );
255 }
256
257 nvkm_wr32(device, NV03_PGRAPH_INTR , 0xFFFFFFFF);
258 nvkm_wr32(device, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
259
260 nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
261 nvkm_wr32(device, NV04_PGRAPH_DEBUG_0, 0x00000000);
262 nvkm_wr32(device, NV04_PGRAPH_DEBUG_1, 0x00118700);
263 nvkm_wr32(device, NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
264 nvkm_wr32(device, NV10_PGRAPH_DEBUG_4, 0x00000000);
265 nvkm_wr32(device, 0x40009C , 0x00000040);
266
267 if (device->chipset >= 0x25) {
268 nvkm_wr32(device, 0x400890, 0x00a8cfff);
269 nvkm_wr32(device, 0x400610, 0x304B1FB6);
270 nvkm_wr32(device, 0x400B80, 0x1cbd3883);
271 nvkm_wr32(device, 0x400B84, 0x44000000);
272 nvkm_wr32(device, 0x400098, 0x40000080);
273 nvkm_wr32(device, 0x400B88, 0x000000ff);
274
275 } else {
276 nvkm_wr32(device, 0x400880, 0x0008c7df);
277 nvkm_wr32(device, 0x400094, 0x00000005);
278 nvkm_wr32(device, 0x400B80, 0x45eae20e);
279 nvkm_wr32(device, 0x400B84, 0x24000000);
280 nvkm_wr32(device, 0x400098, 0x00000040);
281 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00E00038);
282 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000030);
283 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00E10038);
284 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , 0x00000030);
285 }
286
287 nvkm_wr32(device, 0x4009a0, nvkm_rd32(device, 0x100324));
288 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
289 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA, nvkm_rd32(device, 0x100324));
290
291 nvkm_wr32(device, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
292 nvkm_wr32(device, NV10_PGRAPH_STATE , 0xFFFFFFFF);
293
294 tmp = nvkm_rd32(device, NV10_PGRAPH_SURFACE) & 0x0007ff00;
295 nvkm_wr32(device, NV10_PGRAPH_SURFACE, tmp);
296 tmp = nvkm_rd32(device, NV10_PGRAPH_SURFACE) | 0x00020100;
297 nvkm_wr32(device, NV10_PGRAPH_SURFACE, tmp);
298
299 /* begin RAM config */
300 vramsz = device->func->resource_size(device, 1) - 1;
301 nvkm_wr32(device, 0x4009A4, nvkm_rd32(device, 0x100200));
302 nvkm_wr32(device, 0x4009A8, nvkm_rd32(device, 0x100204));
303 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
304 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , nvkm_rd32(device, 0x100200));
305 nvkm_wr32(device, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
306 nvkm_wr32(device, NV10_PGRAPH_RDI_DATA , nvkm_rd32(device, 0x100204));
307 nvkm_wr32(device, 0x400820, 0);
308 nvkm_wr32(device, 0x400824, 0);
309 nvkm_wr32(device, 0x400864, vramsz - 1);
310 nvkm_wr32(device, 0x400868, vramsz - 1);
311
312 /* interesting.. the below overwrites some of the tile setup above.. */
313 nvkm_wr32(device, 0x400B20, 0x00000000);
314 nvkm_wr32(device, 0x400B04, 0xFFFFFFFF);
315
316 nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
317 nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
318 nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
319 nvkm_wr32(device, NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
320 return 0;
321 }
322
323 void *
nv20_gr_dtor(struct nvkm_gr * base)324 nv20_gr_dtor(struct nvkm_gr *base)
325 {
326 struct nv20_gr *gr = nv20_gr(base);
327 nvkm_memory_unref(&gr->ctxtab);
328 return gr;
329 }
330
331 int
nv20_gr_new_(const struct nvkm_gr_func * func,struct nvkm_device * device,int index,struct nvkm_gr ** pgr)332 nv20_gr_new_(const struct nvkm_gr_func *func, struct nvkm_device *device,
333 int index, struct nvkm_gr **pgr)
334 {
335 struct nv20_gr *gr;
336
337 if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
338 return -ENOMEM;
339 *pgr = &gr->base;
340
341 return nvkm_gr_ctor(func, device, index, true, &gr->base);
342 }
343
344 static const struct nvkm_gr_func
345 nv20_gr = {
346 .dtor = nv20_gr_dtor,
347 .oneinit = nv20_gr_oneinit,
348 .init = nv20_gr_init,
349 .intr = nv20_gr_intr,
350 .tile = nv20_gr_tile,
351 .chan_new = nv20_gr_chan_new,
352 .sclass = {
353 { -1, -1, 0x0012, &nv04_gr_object }, /* beta1 */
354 { -1, -1, 0x0019, &nv04_gr_object }, /* clip */
355 { -1, -1, 0x0030, &nv04_gr_object }, /* null */
356 { -1, -1, 0x0039, &nv04_gr_object }, /* m2mf */
357 { -1, -1, 0x0043, &nv04_gr_object }, /* rop */
358 { -1, -1, 0x0044, &nv04_gr_object }, /* patt */
359 { -1, -1, 0x004a, &nv04_gr_object }, /* gdi */
360 { -1, -1, 0x0062, &nv04_gr_object }, /* surf2d */
361 { -1, -1, 0x0072, &nv04_gr_object }, /* beta4 */
362 { -1, -1, 0x0089, &nv04_gr_object }, /* sifm */
363 { -1, -1, 0x008a, &nv04_gr_object }, /* ifc */
364 { -1, -1, 0x0096, &nv04_gr_object }, /* celcius */
365 { -1, -1, 0x0097, &nv04_gr_object }, /* kelvin */
366 { -1, -1, 0x009e, &nv04_gr_object }, /* swzsurf */
367 { -1, -1, 0x009f, &nv04_gr_object }, /* imageblit */
368 {}
369 }
370 };
371
372 int
nv20_gr_new(struct nvkm_device * device,int index,struct nvkm_gr ** pgr)373 nv20_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
374 {
375 return nv20_gr_new_(&nv20_gr, device, index, pgr);
376 }
377