2 * Copyright (C) 2007 Ben Skeggs.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include "nouveau_drv.h"
30 #include "nouveau_ramht.h"
33 nv50_fifo_playlist_update(struct drm_device *dev)
35 struct drm_nouveau_private *dev_priv = dev->dev_private;
36 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
37 struct nouveau_gpuobj *cur;
42 cur = pfifo->playlist[pfifo->cur_playlist];
43 pfifo->cur_playlist = !pfifo->cur_playlist;
45 /* We never schedule channel 0 or 127 */
46 for (i = 1, nr = 0; i < 127; i++) {
47 if (dev_priv->channels.ptr[i] &&
48 dev_priv->channels.ptr[i]->ramfc) {
49 nv_wo32(cur, (nr * 4), i);
53 dev_priv->engine.instmem.flush(dev);
55 nv_wr32(dev, 0x32f4, cur->vinst >> 12);
56 nv_wr32(dev, 0x32ec, nr);
57 nv_wr32(dev, 0x2500, 0x101);
61 nv50_fifo_channel_enable(struct drm_device *dev, int channel)
63 struct drm_nouveau_private *dev_priv = dev->dev_private;
64 struct nouveau_channel *chan = dev_priv->channels.ptr[channel];
67 NV_DEBUG(dev, "ch%d\n", channel);
69 if (dev_priv->chipset == 0x50)
70 inst = chan->ramfc->vinst >> 12;
72 inst = chan->ramfc->vinst >> 8;
74 nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst |
75 NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED);
79 nv50_fifo_channel_disable(struct drm_device *dev, int channel)
81 struct drm_nouveau_private *dev_priv = dev->dev_private;
84 NV_DEBUG(dev, "ch%d\n", channel);
86 if (dev_priv->chipset == 0x50)
87 inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80;
89 inst = NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84;
90 nv_wr32(dev, NV50_PFIFO_CTX_TABLE(channel), inst);
94 nv50_fifo_init_reset(struct drm_device *dev)
96 uint32_t pmc_e = NV_PMC_ENABLE_PFIFO;
100 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) & ~pmc_e);
101 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) | pmc_e);
105 nv50_fifo_init_intr(struct drm_device *dev)
109 nouveau_irq_register(dev, 8, nv04_fifo_isr);
110 nv_wr32(dev, NV03_PFIFO_INTR_0, 0xFFFFFFFF);
111 nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0xFFFFFFFF);
115 nv50_fifo_init_context_table(struct drm_device *dev)
117 struct drm_nouveau_private *dev_priv = dev->dev_private;
122 for (i = 0; i < NV50_PFIFO_CTX_TABLE__SIZE; i++) {
123 if (dev_priv->channels.ptr[i])
124 nv50_fifo_channel_enable(dev, i);
126 nv50_fifo_channel_disable(dev, i);
129 nv50_fifo_playlist_update(dev);
133 nv50_fifo_init_regs__nv(struct drm_device *dev)
137 nv_wr32(dev, 0x250c, 0x6f3cfc34);
141 nv50_fifo_init_regs(struct drm_device *dev)
145 nv_wr32(dev, 0x2500, 0);
146 nv_wr32(dev, 0x3250, 0);
147 nv_wr32(dev, 0x3220, 0);
148 nv_wr32(dev, 0x3204, 0);
149 nv_wr32(dev, 0x3210, 0);
150 nv_wr32(dev, 0x3270, 0);
152 /* Enable dummy channels setup by nv50_instmem.c */
153 nv50_fifo_channel_enable(dev, 0);
154 nv50_fifo_channel_enable(dev, 127);
158 nv50_fifo_init(struct drm_device *dev)
160 struct drm_nouveau_private *dev_priv = dev->dev_private;
161 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
166 if (pfifo->playlist[0]) {
167 pfifo->cur_playlist = !pfifo->cur_playlist;
171 ret = nouveau_gpuobj_new(dev, NULL, 128*4, 0x1000,
172 NVOBJ_FLAG_ZERO_ALLOC,
173 &pfifo->playlist[0]);
175 NV_ERROR(dev, "error creating playlist 0: %d\n", ret);
179 ret = nouveau_gpuobj_new(dev, NULL, 128*4, 0x1000,
180 NVOBJ_FLAG_ZERO_ALLOC,
181 &pfifo->playlist[1]);
183 nouveau_gpuobj_ref(NULL, &pfifo->playlist[0]);
184 NV_ERROR(dev, "error creating playlist 1: %d\n", ret);
189 nv50_fifo_init_reset(dev);
190 nv50_fifo_init_intr(dev);
191 nv50_fifo_init_context_table(dev);
192 nv50_fifo_init_regs__nv(dev);
193 nv50_fifo_init_regs(dev);
194 dev_priv->engine.fifo.enable(dev);
195 dev_priv->engine.fifo.reassign(dev, true);
201 nv50_fifo_takedown(struct drm_device *dev)
203 struct drm_nouveau_private *dev_priv = dev->dev_private;
204 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
208 if (!pfifo->playlist[0])
211 nv_wr32(dev, 0x2140, 0x00000000);
212 nouveau_irq_unregister(dev, 8);
214 nouveau_gpuobj_ref(NULL, &pfifo->playlist[0]);
215 nouveau_gpuobj_ref(NULL, &pfifo->playlist[1]);
219 nv50_fifo_channel_id(struct drm_device *dev)
221 return nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) &
222 NV50_PFIFO_CACHE1_PUSH1_CHID_MASK;
226 nv50_fifo_create_context(struct nouveau_channel *chan)
228 struct drm_device *dev = chan->dev;
229 struct drm_nouveau_private *dev_priv = dev->dev_private;
230 struct nouveau_gpuobj *ramfc = NULL;
234 NV_DEBUG(dev, "ch%d\n", chan->id);
236 if (dev_priv->chipset == 0x50) {
237 ret = nouveau_gpuobj_new_fake(dev, chan->ramin->pinst,
238 chan->ramin->vinst, 0x100,
239 NVOBJ_FLAG_ZERO_ALLOC |
240 NVOBJ_FLAG_ZERO_FREE,
245 ret = nouveau_gpuobj_new_fake(dev, chan->ramin->pinst + 0x0400,
246 chan->ramin->vinst + 0x0400,
247 4096, 0, &chan->cache);
251 ret = nouveau_gpuobj_new(dev, chan, 0x100, 256,
252 NVOBJ_FLAG_ZERO_ALLOC |
253 NVOBJ_FLAG_ZERO_FREE, &chan->ramfc);
257 ret = nouveau_gpuobj_new(dev, chan, 4096, 1024,
264 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
266 nv_wo32(ramfc, 0x48, chan->pushbuf->cinst >> 4);
267 nv_wo32(ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
268 (4 << 24) /* SEARCH_FULL */ |
269 (chan->ramht->gpuobj->cinst >> 4));
270 nv_wo32(ramfc, 0x44, 0x2101ffff);
271 nv_wo32(ramfc, 0x60, 0x7fffffff);
272 nv_wo32(ramfc, 0x40, 0x00000000);
273 nv_wo32(ramfc, 0x7c, 0x30000001);
274 nv_wo32(ramfc, 0x78, 0x00000000);
275 nv_wo32(ramfc, 0x3c, 0x403f6078);
276 nv_wo32(ramfc, 0x50, chan->pushbuf_base + chan->dma.ib_base * 4);
277 nv_wo32(ramfc, 0x54, drm_order(chan->dma.ib_max + 1) << 16);
279 if (dev_priv->chipset != 0x50) {
280 nv_wo32(chan->ramin, 0, chan->id);
281 nv_wo32(chan->ramin, 4, chan->ramfc->vinst >> 8);
283 nv_wo32(ramfc, 0x88, chan->cache->vinst >> 10);
284 nv_wo32(ramfc, 0x98, chan->ramin->vinst >> 12);
287 dev_priv->engine.instmem.flush(dev);
289 nv50_fifo_channel_enable(dev, chan->id);
290 nv50_fifo_playlist_update(dev);
291 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
296 nv50_fifo_destroy_context(struct nouveau_channel *chan)
298 struct drm_device *dev = chan->dev;
299 struct drm_nouveau_private *dev_priv = dev->dev_private;
300 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
301 struct nouveau_gpuobj *ramfc = NULL;
304 NV_DEBUG(dev, "ch%d\n", chan->id);
306 spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
307 pfifo->reassign(dev, false);
309 /* Unload the context if it's the currently active one */
310 if (pfifo->channel_id(dev) == chan->id) {
312 pfifo->unload_context(dev);
316 /* This will ensure the channel is seen as disabled. */
317 nouveau_gpuobj_ref(chan->ramfc, &ramfc);
318 nouveau_gpuobj_ref(NULL, &chan->ramfc);
319 nv50_fifo_channel_disable(dev, chan->id);
321 /* Dummy channel, also used on ch 127 */
323 nv50_fifo_channel_disable(dev, 127);
324 nv50_fifo_playlist_update(dev);
326 pfifo->reassign(dev, true);
327 spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
329 /* Free the channel resources */
330 nouveau_gpuobj_ref(NULL, &ramfc);
331 nouveau_gpuobj_ref(NULL, &chan->cache);
335 nv50_fifo_load_context(struct nouveau_channel *chan)
337 struct drm_device *dev = chan->dev;
338 struct drm_nouveau_private *dev_priv = dev->dev_private;
339 struct nouveau_gpuobj *ramfc = chan->ramfc;
340 struct nouveau_gpuobj *cache = chan->cache;
343 NV_DEBUG(dev, "ch%d\n", chan->id);
345 nv_wr32(dev, 0x3330, nv_ro32(ramfc, 0x00));
346 nv_wr32(dev, 0x3334, nv_ro32(ramfc, 0x04));
347 nv_wr32(dev, 0x3240, nv_ro32(ramfc, 0x08));
348 nv_wr32(dev, 0x3320, nv_ro32(ramfc, 0x0c));
349 nv_wr32(dev, 0x3244, nv_ro32(ramfc, 0x10));
350 nv_wr32(dev, 0x3328, nv_ro32(ramfc, 0x14));
351 nv_wr32(dev, 0x3368, nv_ro32(ramfc, 0x18));
352 nv_wr32(dev, 0x336c, nv_ro32(ramfc, 0x1c));
353 nv_wr32(dev, 0x3370, nv_ro32(ramfc, 0x20));
354 nv_wr32(dev, 0x3374, nv_ro32(ramfc, 0x24));
355 nv_wr32(dev, 0x3378, nv_ro32(ramfc, 0x28));
356 nv_wr32(dev, 0x337c, nv_ro32(ramfc, 0x2c));
357 nv_wr32(dev, 0x3228, nv_ro32(ramfc, 0x30));
358 nv_wr32(dev, 0x3364, nv_ro32(ramfc, 0x34));
359 nv_wr32(dev, 0x32a0, nv_ro32(ramfc, 0x38));
360 nv_wr32(dev, 0x3224, nv_ro32(ramfc, 0x3c));
361 nv_wr32(dev, 0x324c, nv_ro32(ramfc, 0x40));
362 nv_wr32(dev, 0x2044, nv_ro32(ramfc, 0x44));
363 nv_wr32(dev, 0x322c, nv_ro32(ramfc, 0x48));
364 nv_wr32(dev, 0x3234, nv_ro32(ramfc, 0x4c));
365 nv_wr32(dev, 0x3340, nv_ro32(ramfc, 0x50));
366 nv_wr32(dev, 0x3344, nv_ro32(ramfc, 0x54));
367 nv_wr32(dev, 0x3280, nv_ro32(ramfc, 0x58));
368 nv_wr32(dev, 0x3254, nv_ro32(ramfc, 0x5c));
369 nv_wr32(dev, 0x3260, nv_ro32(ramfc, 0x60));
370 nv_wr32(dev, 0x3264, nv_ro32(ramfc, 0x64));
371 nv_wr32(dev, 0x3268, nv_ro32(ramfc, 0x68));
372 nv_wr32(dev, 0x326c, nv_ro32(ramfc, 0x6c));
373 nv_wr32(dev, 0x32e4, nv_ro32(ramfc, 0x70));
374 nv_wr32(dev, 0x3248, nv_ro32(ramfc, 0x74));
375 nv_wr32(dev, 0x2088, nv_ro32(ramfc, 0x78));
376 nv_wr32(dev, 0x2058, nv_ro32(ramfc, 0x7c));
377 nv_wr32(dev, 0x2210, nv_ro32(ramfc, 0x80));
379 cnt = nv_ro32(ramfc, 0x84);
380 for (ptr = 0; ptr < cnt; ptr++) {
381 nv_wr32(dev, NV40_PFIFO_CACHE1_METHOD(ptr),
382 nv_ro32(cache, (ptr * 8) + 0));
383 nv_wr32(dev, NV40_PFIFO_CACHE1_DATA(ptr),
384 nv_ro32(cache, (ptr * 8) + 4));
386 nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, cnt << 2);
387 nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0);
389 /* guessing that all the 0x34xx regs aren't on NV50 */
390 if (dev_priv->chipset != 0x50) {
391 nv_wr32(dev, 0x340c, nv_ro32(ramfc, 0x88));
392 nv_wr32(dev, 0x3400, nv_ro32(ramfc, 0x8c));
393 nv_wr32(dev, 0x3404, nv_ro32(ramfc, 0x90));
394 nv_wr32(dev, 0x3408, nv_ro32(ramfc, 0x94));
395 nv_wr32(dev, 0x3410, nv_ro32(ramfc, 0x98));
398 nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, chan->id | (1<<16));
403 nv50_fifo_unload_context(struct drm_device *dev)
405 struct drm_nouveau_private *dev_priv = dev->dev_private;
406 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
407 struct nouveau_gpuobj *ramfc, *cache;
408 struct nouveau_channel *chan = NULL;
409 int chid, get, put, ptr;
413 chid = pfifo->channel_id(dev);
414 if (chid < 1 || chid >= dev_priv->engine.fifo.channels - 1)
417 chan = dev_priv->channels.ptr[chid];
419 NV_ERROR(dev, "Inactive channel on PFIFO: %d\n", chid);
422 NV_DEBUG(dev, "ch%d\n", chan->id);
426 nv_wo32(ramfc, 0x00, nv_rd32(dev, 0x3330));
427 nv_wo32(ramfc, 0x04, nv_rd32(dev, 0x3334));
428 nv_wo32(ramfc, 0x08, nv_rd32(dev, 0x3240));
429 nv_wo32(ramfc, 0x0c, nv_rd32(dev, 0x3320));
430 nv_wo32(ramfc, 0x10, nv_rd32(dev, 0x3244));
431 nv_wo32(ramfc, 0x14, nv_rd32(dev, 0x3328));
432 nv_wo32(ramfc, 0x18, nv_rd32(dev, 0x3368));
433 nv_wo32(ramfc, 0x1c, nv_rd32(dev, 0x336c));
434 nv_wo32(ramfc, 0x20, nv_rd32(dev, 0x3370));
435 nv_wo32(ramfc, 0x24, nv_rd32(dev, 0x3374));
436 nv_wo32(ramfc, 0x28, nv_rd32(dev, 0x3378));
437 nv_wo32(ramfc, 0x2c, nv_rd32(dev, 0x337c));
438 nv_wo32(ramfc, 0x30, nv_rd32(dev, 0x3228));
439 nv_wo32(ramfc, 0x34, nv_rd32(dev, 0x3364));
440 nv_wo32(ramfc, 0x38, nv_rd32(dev, 0x32a0));
441 nv_wo32(ramfc, 0x3c, nv_rd32(dev, 0x3224));
442 nv_wo32(ramfc, 0x40, nv_rd32(dev, 0x324c));
443 nv_wo32(ramfc, 0x44, nv_rd32(dev, 0x2044));
444 nv_wo32(ramfc, 0x48, nv_rd32(dev, 0x322c));
445 nv_wo32(ramfc, 0x4c, nv_rd32(dev, 0x3234));
446 nv_wo32(ramfc, 0x50, nv_rd32(dev, 0x3340));
447 nv_wo32(ramfc, 0x54, nv_rd32(dev, 0x3344));
448 nv_wo32(ramfc, 0x58, nv_rd32(dev, 0x3280));
449 nv_wo32(ramfc, 0x5c, nv_rd32(dev, 0x3254));
450 nv_wo32(ramfc, 0x60, nv_rd32(dev, 0x3260));
451 nv_wo32(ramfc, 0x64, nv_rd32(dev, 0x3264));
452 nv_wo32(ramfc, 0x68, nv_rd32(dev, 0x3268));
453 nv_wo32(ramfc, 0x6c, nv_rd32(dev, 0x326c));
454 nv_wo32(ramfc, 0x70, nv_rd32(dev, 0x32e4));
455 nv_wo32(ramfc, 0x74, nv_rd32(dev, 0x3248));
456 nv_wo32(ramfc, 0x78, nv_rd32(dev, 0x2088));
457 nv_wo32(ramfc, 0x7c, nv_rd32(dev, 0x2058));
458 nv_wo32(ramfc, 0x80, nv_rd32(dev, 0x2210));
460 put = (nv_rd32(dev, NV03_PFIFO_CACHE1_PUT) & 0x7ff) >> 2;
461 get = (nv_rd32(dev, NV03_PFIFO_CACHE1_GET) & 0x7ff) >> 2;
464 nv_wo32(cache, ptr + 0,
465 nv_rd32(dev, NV40_PFIFO_CACHE1_METHOD(get)));
466 nv_wo32(cache, ptr + 4,
467 nv_rd32(dev, NV40_PFIFO_CACHE1_DATA(get)));
468 get = (get + 1) & 0x1ff;
472 /* guessing that all the 0x34xx regs aren't on NV50 */
473 if (dev_priv->chipset != 0x50) {
474 nv_wo32(ramfc, 0x84, ptr >> 3);
475 nv_wo32(ramfc, 0x88, nv_rd32(dev, 0x340c));
476 nv_wo32(ramfc, 0x8c, nv_rd32(dev, 0x3400));
477 nv_wo32(ramfc, 0x90, nv_rd32(dev, 0x3404));
478 nv_wo32(ramfc, 0x94, nv_rd32(dev, 0x3408));
479 nv_wo32(ramfc, 0x98, nv_rd32(dev, 0x3410));
482 dev_priv->engine.instmem.flush(dev);
484 /*XXX: probably reload ch127 (NULL) state back too */
485 nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, 127);
490 nv50_fifo_tlb_flush(struct drm_device *dev)
492 nv50_vm_flush(dev, 5);