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drm/nouveau: fix nouveau_mem object leak
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / nouveau / nouveau_mem.c
blobab79bf8cc83a4dcfb1edb90b632748c96848acfa
1 /*
2 * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
3 * Copyright 2005 Stephane Marchesin
4 *
5 * The Weather Channel (TM) funded Tungsten Graphics to develop the
6 * initial release of the Radeon 8500 driver under the XFree86 license.
7 * This notice must be preserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
18 * Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 *
28 * Authors:
29 * Keith Whitwell <keith@tungstengraphics.com>
30 */
31
32
33 #include "drmP.h"
34 #include "drm.h"
35 #include "drm_sarea.h"
36
37 #include "nouveau_drv.h"
38 #include "nouveau_pm.h"
39 #include "nouveau_mm.h"
40 #include "nouveau_vm.h"
41
42 /*
43 * NV10-NV40 tiling helpers
44 */
45
46 static void
47 nv10_mem_update_tile_region(struct drm_device *dev,
48 struct nouveau_tile_reg *tile, uint32_t addr,
49 uint32_t size, uint32_t pitch, uint32_t flags)
50 {
51 struct drm_nouveau_private *dev_priv = dev->dev_private;
52 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
53 struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
54 int i = tile - dev_priv->tile.reg, j;
55 unsigned long save;
56
57 nouveau_fence_unref(&tile->fence);
58
59 if (tile->pitch)
60 pfb->free_tile_region(dev, i);
61
62 if (pitch)
63 pfb->init_tile_region(dev, i, addr, size, pitch, flags);
64
65 spin_lock_irqsave(&dev_priv->context_switch_lock, save);
66 pfifo->reassign(dev, false);
67 pfifo->cache_pull(dev, false);
68
69 nouveau_wait_for_idle(dev);
70
71 pfb->set_tile_region(dev, i);
72 for (j = 0; j < NVOBJ_ENGINE_NR; j++) {
73 if (dev_priv->eng[j] && dev_priv->eng[j]->set_tile_region)
74 dev_priv->eng[j]->set_tile_region(dev, i);
75 }
76
77 pfifo->cache_pull(dev, true);
78 pfifo->reassign(dev, true);
79 spin_unlock_irqrestore(&dev_priv->context_switch_lock, save);
80 }
81
82 static struct nouveau_tile_reg *
83 nv10_mem_get_tile_region(struct drm_device *dev, int i)
84 {
85 struct drm_nouveau_private *dev_priv = dev->dev_private;
86 struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
87
88 spin_lock(&dev_priv->tile.lock);
89
90 if (!tile->used &&
91 (!tile->fence || nouveau_fence_signalled(tile->fence)))
92 tile->used = true;
93 else
94 tile = NULL;
95
96 spin_unlock(&dev_priv->tile.lock);
97 return tile;
98 }
99
100 void
101 nv10_mem_put_tile_region(struct drm_device *dev, struct nouveau_tile_reg *tile,
102 struct nouveau_fence *fence)
103 {
104 struct drm_nouveau_private *dev_priv = dev->dev_private;
105
106 if (tile) {
107 spin_lock(&dev_priv->tile.lock);
108 if (fence) {
109 /* Mark it as pending. */
110 tile->fence = fence;
111 nouveau_fence_ref(fence);
112 }
113
114 tile->used = false;
115 spin_unlock(&dev_priv->tile.lock);
116 }
117 }
118
119 struct nouveau_tile_reg *
120 nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
121 uint32_t pitch, uint32_t flags)
122 {
123 struct drm_nouveau_private *dev_priv = dev->dev_private;
124 struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
125 struct nouveau_tile_reg *tile, *found = NULL;
126 int i;
127
128 for (i = 0; i < pfb->num_tiles; i++) {
129 tile = nv10_mem_get_tile_region(dev, i);
130
131 if (pitch && !found) {
132 found = tile;
133 continue;
134
135 } else if (tile && tile->pitch) {
136 /* Kill an unused tile region. */
137 nv10_mem_update_tile_region(dev, tile, 0, 0, 0, 0);
138 }
139
140 nv10_mem_put_tile_region(dev, tile, NULL);
141 }
142
143 if (found)
144 nv10_mem_update_tile_region(dev, found, addr, size,
145 pitch, flags);
146 return found;
147 }
148
149 /*
150 * Cleanup everything
151 */
152 void
153 nouveau_mem_vram_fini(struct drm_device *dev)
154 {
155 struct drm_nouveau_private *dev_priv = dev->dev_private;
156
157 ttm_bo_device_release(&dev_priv->ttm.bdev);
158
159 nouveau_ttm_global_release(dev_priv);
160
161 if (dev_priv->fb_mtrr >= 0) {
162 drm_mtrr_del(dev_priv->fb_mtrr,
163 pci_resource_start(dev->pdev, 1),
164 pci_resource_len(dev->pdev, 1), DRM_MTRR_WC);
165 dev_priv->fb_mtrr = -1;
166 }
167 }
168
169 void
170 nouveau_mem_gart_fini(struct drm_device *dev)
171 {
172 nouveau_sgdma_takedown(dev);
173
174 if (drm_core_has_AGP(dev) && dev->agp) {
175 struct drm_agp_mem *entry, *tempe;
176
177 /* Remove AGP resources, but leave dev->agp
178 intact until drv_cleanup is called. */
179 list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
180 if (entry->bound)
181 drm_unbind_agp(entry->memory);
182 drm_free_agp(entry->memory, entry->pages);
183 kfree(entry);
184 }
185 INIT_LIST_HEAD(&dev->agp->memory);
186
187 if (dev->agp->acquired)
188 drm_agp_release(dev);
189
190 dev->agp->acquired = 0;
191 dev->agp->enabled = 0;
192 }
193 }
194
195 static uint32_t
196 nouveau_mem_detect_nv04(struct drm_device *dev)
197 {
198 uint32_t boot0 = nv_rd32(dev, NV04_PFB_BOOT_0);
199
200 if (boot0 & 0x00000100)
201 return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024;
202
203 switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
204 case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
205 return 32 * 1024 * 1024;
206 case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
207 return 16 * 1024 * 1024;
208 case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
209 return 8 * 1024 * 1024;
210 case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
211 return 4 * 1024 * 1024;
212 }
213
214 return 0;
215 }
216
217 static uint32_t
218 nouveau_mem_detect_nforce(struct drm_device *dev)
219 {
220 struct drm_nouveau_private *dev_priv = dev->dev_private;
221 struct pci_dev *bridge;
222 uint32_t mem;
223
224 bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
225 if (!bridge) {
226 NV_ERROR(dev, "no bridge device\n");
227 return 0;
228 }
229
230 if (dev_priv->flags & NV_NFORCE) {
231 pci_read_config_dword(bridge, 0x7C, &mem);
232 return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024;
233 } else
234 if (dev_priv->flags & NV_NFORCE2) {
235 pci_read_config_dword(bridge, 0x84, &mem);
236 return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024;
237 }
238
239 NV_ERROR(dev, "impossible!\n");
240 return 0;
241 }
242
243 int
244 nouveau_mem_detect(struct drm_device *dev)
245 {
246 struct drm_nouveau_private *dev_priv = dev->dev_private;
247
248 if (dev_priv->card_type == NV_04) {
249 dev_priv->vram_size = nouveau_mem_detect_nv04(dev);
250 } else
251 if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) {
252 dev_priv->vram_size = nouveau_mem_detect_nforce(dev);
253 } else
254 if (dev_priv->card_type < NV_50) {
255 dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
256 dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
257 }
258
259 if (dev_priv->vram_size)
260 return 0;
261 return -ENOMEM;
262 }
263
264 bool
265 nouveau_mem_flags_valid(struct drm_device *dev, u32 tile_flags)
266 {
267 if (!(tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK))
268 return true;
269
270 return false;
271 }
272
273 #if __OS_HAS_AGP
274 static unsigned long
275 get_agp_mode(struct drm_device *dev, unsigned long mode)
276 {
277 struct drm_nouveau_private *dev_priv = dev->dev_private;
278
279 /*
280 * FW seems to be broken on nv18, it makes the card lock up
281 * randomly.
282 */
283 if (dev_priv->chipset == 0x18)
284 mode &= ~PCI_AGP_COMMAND_FW;
285
286 /*
287 * AGP mode set in the command line.
288 */
289 if (nouveau_agpmode > 0) {
290 bool agpv3 = mode & 0x8;
291 int rate = agpv3 ? nouveau_agpmode / 4 : nouveau_agpmode;
292
293 mode = (mode & ~0x7) | (rate & 0x7);
294 }
295
296 return mode;
297 }
298 #endif
299
300 int
301 nouveau_mem_reset_agp(struct drm_device *dev)
302 {
303 #if __OS_HAS_AGP
304 uint32_t saved_pci_nv_1, pmc_enable;
305 int ret;
306
307 /* First of all, disable fast writes, otherwise if it's
308 * already enabled in the AGP bridge and we disable the card's
309 * AGP controller we might be locking ourselves out of it. */
310 if ((nv_rd32(dev, NV04_PBUS_PCI_NV_19) |
311 dev->agp->mode) & PCI_AGP_COMMAND_FW) {
312 struct drm_agp_info info;
313 struct drm_agp_mode mode;
314
315 ret = drm_agp_info(dev, &info);
316 if (ret)
317 return ret;
318
319 mode.mode = get_agp_mode(dev, info.mode) & ~PCI_AGP_COMMAND_FW;
320 ret = drm_agp_enable(dev, mode);
321 if (ret)
322 return ret;
323 }
324
325 saved_pci_nv_1 = nv_rd32(dev, NV04_PBUS_PCI_NV_1);
326
327 /* clear busmaster bit */
328 nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1 & ~0x4);
329 /* disable AGP */
330 nv_wr32(dev, NV04_PBUS_PCI_NV_19, 0);
331
332 /* power cycle pgraph, if enabled */
333 pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE);
334 if (pmc_enable & NV_PMC_ENABLE_PGRAPH) {
335 nv_wr32(dev, NV03_PMC_ENABLE,
336 pmc_enable & ~NV_PMC_ENABLE_PGRAPH);
337 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
338 NV_PMC_ENABLE_PGRAPH);
339 }
340
341 /* and restore (gives effect of resetting AGP) */
342 nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1);
343 #endif
344
345 return 0;
346 }
347
348 int
349 nouveau_mem_init_agp(struct drm_device *dev)
350 {
351 #if __OS_HAS_AGP
352 struct drm_nouveau_private *dev_priv = dev->dev_private;
353 struct drm_agp_info info;
354 struct drm_agp_mode mode;
355 int ret;
356
357 if (!dev->agp->acquired) {
358 ret = drm_agp_acquire(dev);
359 if (ret) {
360 NV_ERROR(dev, "Unable to acquire AGP: %d\n", ret);
361 return ret;
362 }
363 }
364
365 nouveau_mem_reset_agp(dev);
366
367 ret = drm_agp_info(dev, &info);
368 if (ret) {
369 NV_ERROR(dev, "Unable to get AGP info: %d\n", ret);
370 return ret;
371 }
372
373 /* see agp.h for the AGPSTAT_* modes available */
374 mode.mode = get_agp_mode(dev, info.mode);
375 ret = drm_agp_enable(dev, mode);
376 if (ret) {
377 NV_ERROR(dev, "Unable to enable AGP: %d\n", ret);
378 return ret;
379 }
380
381 dev_priv->gart_info.type = NOUVEAU_GART_AGP;
382 dev_priv->gart_info.aper_base = info.aperture_base;
383 dev_priv->gart_info.aper_size = info.aperture_size;
384 #endif
385 return 0;
386 }
387
388 int
389 nouveau_mem_vram_init(struct drm_device *dev)
390 {
391 struct drm_nouveau_private *dev_priv = dev->dev_private;
392 struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
393 int ret, dma_bits;
394
395 dma_bits = 32;
396 if (dev_priv->card_type >= NV_50) {
397 if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
398 dma_bits = 40;
399 } else
400 if (0 && drm_pci_device_is_pcie(dev) &&
401 dev_priv->chipset > 0x40 &&
402 dev_priv->chipset != 0x45) {
403 if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39)))
404 dma_bits = 39;
405 }
406
407 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
408 if (ret)
409 return ret;
410
411 dev_priv->fb_phys = pci_resource_start(dev->pdev, 1);
412
413 ret = nouveau_ttm_global_init(dev_priv);
414 if (ret)
415 return ret;
416
417 ret = ttm_bo_device_init(&dev_priv->ttm.bdev,
418 dev_priv->ttm.bo_global_ref.ref.object,
419 &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET,
420 dma_bits <= 32 ? true : false);
421 if (ret) {
422 NV_ERROR(dev, "Error initialising bo driver: %d\n", ret);
423 return ret;
424 }
425
426 /* reserve space at end of VRAM for PRAMIN */
427 if (dev_priv->card_type >= NV_50) {
428 dev_priv->ramin_rsvd_vram = 1 * 1024 * 1024;
429 } else
430 if (dev_priv->card_type >= NV_40) {
431 u32 vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8);
432 u32 rsvd;
433
434 /* estimate grctx size, the magics come from nv40_grctx.c */
435 if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs;
436 else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs;
437 else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs;
438 else rsvd = 0x4a40 * vs;
439 rsvd += 16 * 1024;
440 rsvd *= dev_priv->engine.fifo.channels;
441
442 /* pciegart table */
443 if (drm_pci_device_is_pcie(dev))
444 rsvd += 512 * 1024;
445
446 /* object storage */
447 rsvd += 512 * 1024;
448
449 dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096);
450 } else {
451 dev_priv->ramin_rsvd_vram = 512 * 1024;
452 }
453
454 NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20));
455 if (dev_priv->vram_sys_base) {
456 NV_INFO(dev, "Stolen system memory at: 0x%010llx\n",
457 dev_priv->vram_sys_base);
458 }
459
460 dev_priv->fb_available_size = dev_priv->vram_size;
461 dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
462 if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1))
463 dev_priv->fb_mappable_pages = pci_resource_len(dev->pdev, 1);
464 dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
465
466 dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram;
467 dev_priv->fb_aper_free = dev_priv->fb_available_size;
468
469 /* mappable vram */
470 ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
471 dev_priv->fb_available_size >> PAGE_SHIFT);
472 if (ret) {
473 NV_ERROR(dev, "Failed VRAM mm init: %d\n", ret);
474 return ret;
475 }
476
477 if (dev_priv->card_type < NV_50) {
478 ret = nouveau_bo_new(dev, 256*1024, 0, TTM_PL_FLAG_VRAM,
479 0, 0, &dev_priv->vga_ram);
480 if (ret == 0)
481 ret = nouveau_bo_pin(dev_priv->vga_ram,
482 TTM_PL_FLAG_VRAM);
483
484 if (ret) {
485 NV_WARN(dev, "failed to reserve VGA memory\n");
486 nouveau_bo_ref(NULL, &dev_priv->vga_ram);
487 }
488 }
489
490 dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
491 pci_resource_len(dev->pdev, 1),
492 DRM_MTRR_WC);
493 return 0;
494 }
495
496 int
497 nouveau_mem_gart_init(struct drm_device *dev)
498 {
499 struct drm_nouveau_private *dev_priv = dev->dev_private;
500 struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
501 int ret;
502
503 dev_priv->gart_info.type = NOUVEAU_GART_NONE;
504
505 #if !defined(__powerpc__) && !defined(__ia64__)
506 if (drm_pci_device_is_agp(dev) && dev->agp && nouveau_agpmode) {
507 ret = nouveau_mem_init_agp(dev);
508 if (ret)
509 NV_ERROR(dev, "Error initialising AGP: %d\n", ret);
510 }
511 #endif
512
513 if (dev_priv->gart_info.type == NOUVEAU_GART_NONE) {
514 ret = nouveau_sgdma_init(dev);
515 if (ret) {
516 NV_ERROR(dev, "Error initialising PCI(E): %d\n", ret);
517 return ret;
518 }
519 }
520
521 NV_INFO(dev, "%d MiB GART (aperture)\n",
522 (int)(dev_priv->gart_info.aper_size >> 20));
523 dev_priv->gart_info.aper_free = dev_priv->gart_info.aper_size;
524
525 ret = ttm_bo_init_mm(bdev, TTM_PL_TT,
526 dev_priv->gart_info.aper_size >> PAGE_SHIFT);
527 if (ret) {
528 NV_ERROR(dev, "Failed TT mm init: %d\n", ret);
529 return ret;
530 }
531
532 return 0;
533 }
534
535 void
536 nouveau_mem_timing_init(struct drm_device *dev)
537 {
538 /* cards < NVC0 only */
539 struct drm_nouveau_private *dev_priv = dev->dev_private;
540 struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
541 struct nouveau_pm_memtimings *memtimings = &pm->memtimings;
542 struct nvbios *bios = &dev_priv->vbios;
543 struct bit_entry P;
544 u8 tUNK_0, tUNK_1, tUNK_2;
545 u8 tRP; /* Byte 3 */
546 u8 tRAS; /* Byte 5 */
547 u8 tRFC; /* Byte 7 */
548 u8 tRC; /* Byte 9 */
549 u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
550 u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
551 u8 magic_number = 0; /* Yeah... sorry*/
552 u8 *mem = NULL, *entry;
553 int i, recordlen, entries;
554
555 if (bios->type == NVBIOS_BIT) {
556 if (bit_table(dev, 'P', &P))
557 return;
558
559 if (P.version == 1)
560 mem = ROMPTR(bios, P.data[4]);
561 else
562 if (P.version == 2)
563 mem = ROMPTR(bios, P.data[8]);
564 else {
565 NV_WARN(dev, "unknown mem for BIT P %d\n", P.version);
566 }
567 } else {
568 NV_DEBUG(dev, "BMP version too old for memory\n");
569 return;
570 }
571
572 if (!mem) {
573 NV_DEBUG(dev, "memory timing table pointer invalid\n");
574 return;
575 }
576
577 if (mem[0] != 0x10) {
578 NV_WARN(dev, "memory timing table 0x%02x unknown\n", mem[0]);
579 return;
580 }
581
582 /* validate record length */
583 entries = mem[2];
584 recordlen = mem[3];
585 if (recordlen < 15) {
586 NV_ERROR(dev, "mem timing table length unknown: %d\n", mem[3]);
587 return;
588 }
589
590 /* parse vbios entries into common format */
591 memtimings->timing =
592 kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL);
593 if (!memtimings->timing)
594 return;
595
596 /* Get "some number" from the timing reg for NV_40 and NV_50
597 * Used in calculations later */
598 if (dev_priv->card_type >= NV_40 && dev_priv->chipset < 0x98) {
599 magic_number = (nv_rd32(dev, 0x100228) & 0x0f000000) >> 24;
600 }
601
602 entry = mem + mem[1];
603 for (i = 0; i < entries; i++, entry += recordlen) {
604 struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i];
605 if (entry[0] == 0)
606 continue;
607
608 tUNK_18 = 1;
609 tUNK_19 = 1;
610 tUNK_20 = 0;
611 tUNK_21 = 0;
612 switch (min(recordlen, 22)) {
613 case 22:
614 tUNK_21 = entry[21];
615 case 21:
616 tUNK_20 = entry[20];
617 case 20:
618 tUNK_19 = entry[19];
619 case 19:
620 tUNK_18 = entry[18];
621 default:
622 tUNK_0 = entry[0];
623 tUNK_1 = entry[1];
624 tUNK_2 = entry[2];
625 tRP = entry[3];
626 tRAS = entry[5];
627 tRFC = entry[7];
628 tRC = entry[9];
629 tUNK_10 = entry[10];
630 tUNK_11 = entry[11];
631 tUNK_12 = entry[12];
632 tUNK_13 = entry[13];
633 tUNK_14 = entry[14];
634 break;
635 }
636
637 timing->reg_100220 = (tRC << 24 | tRFC << 16 | tRAS << 8 | tRP);
638
639 /* XXX: I don't trust the -1's and +1's... they must come
640 * from somewhere! */
641 timing->reg_100224 = (tUNK_0 + tUNK_19 + 1 + magic_number) << 24 |
642 max(tUNK_18, (u8) 1) << 16 |
643 (tUNK_1 + tUNK_19 + 1 + magic_number) << 8;
644 if (dev_priv->chipset == 0xa8) {
645 timing->reg_100224 |= (tUNK_2 - 1);
646 } else {
647 timing->reg_100224 |= (tUNK_2 + 2 - magic_number);
648 }
649
650 timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10);
651 if (dev_priv->chipset >= 0xa3 && dev_priv->chipset < 0xaa)
652 timing->reg_100228 |= (tUNK_19 - 1) << 24;
653 else
654 timing->reg_100228 |= magic_number << 24;
655
656 if (dev_priv->card_type == NV_40) {
657 /* NV40: don't know what the rest of the regs are..
658 * And don't need to know either */
659 timing->reg_100228 |= 0x20200000;
660 } else if (dev_priv->card_type >= NV_50) {
661 if (dev_priv->chipset < 0x98 ||
662 (dev_priv->chipset == 0x98 &&
663 dev_priv->stepping <= 0xa1)) {
664 timing->reg_10022c = (0x14 + tUNK_2) << 24 |
665 0x16 << 16 |
666 (tUNK_2 - 1) << 8 |
667 (tUNK_2 - 1);
668 } else {
669 /* XXX: reg_10022c for recentish cards */
670 timing->reg_10022c = tUNK_2 - 1;
671 }
672
673 timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 |
674 tUNK_13 << 8 | tUNK_13);
675
676 timing->reg_100234 = (tRAS << 24 | tRC);
677 timing->reg_100234 += max(tUNK_10, tUNK_11) << 16;
678
679 if (dev_priv->chipset < 0x98 ||
680 (dev_priv->chipset == 0x98 &&
681 dev_priv->stepping <= 0xa1)) {
682 timing->reg_100234 |= (tUNK_2 + 2) << 8;
683 } else {
684 /* XXX: +6? */
685 timing->reg_100234 |= (tUNK_19 + 6) << 8;
686 }
687
688 /* XXX; reg_100238
689 * reg_100238: 0x00?????? */
690 timing->reg_10023c = 0x202;
691 if (dev_priv->chipset < 0x98 ||
692 (dev_priv->chipset == 0x98 &&
693 dev_priv->stepping <= 0xa1)) {
694 timing->reg_10023c |= 0x4000000 | (tUNK_2 - 1) << 16;
695 } else {
696 /* XXX: reg_10023c
697 * currently unknown
698 * 10023c seen as 06xxxxxx, 0bxxxxxx or 0fxxxxxx */
699 }
700
701 /* XXX: reg_100240? */
702 }
703 timing->id = i;
704
705 NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", i,
706 timing->reg_100220, timing->reg_100224,
707 timing->reg_100228, timing->reg_10022c);
708 NV_DEBUG(dev, " 230: %08x %08x %08x %08x\n",
709 timing->reg_100230, timing->reg_100234,
710 timing->reg_100238, timing->reg_10023c);
711 NV_DEBUG(dev, " 240: %08x\n", timing->reg_100240);
712 }
713
714 memtimings->nr_timing = entries;
715 memtimings->supported = (dev_priv->chipset <= 0x98);
716 }
717
718 void
719 nouveau_mem_timing_fini(struct drm_device *dev)
720 {
721 struct drm_nouveau_private *dev_priv = dev->dev_private;
722 struct nouveau_pm_memtimings *mem = &dev_priv->engine.pm.memtimings;
723
724 kfree(mem->timing);
725 }
726
727 static int
728 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
729 {
730 /* nothing to do */
731 return 0;
732 }
733
734 static int
735 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
736 {
737 /* nothing to do */
738 return 0;
739 }
740
741 static inline void
742 nouveau_mem_node_cleanup(struct nouveau_mem *node)
743 {
744 if (node->vma[0].node) {
745 nouveau_vm_unmap(&node->vma[0]);
746 nouveau_vm_put(&node->vma[0]);
747 }
748
749 if (node->vma[1].node) {
750 nouveau_vm_unmap(&node->vma[1]);
751 nouveau_vm_put(&node->vma[1]);
752 }
753 }
754
755 static void
756 nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
757 struct ttm_mem_reg *mem)
758 {
759 struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
760 struct nouveau_vram_engine *vram = &dev_priv->engine.vram;
761 struct drm_device *dev = dev_priv->dev;
762
763 nouveau_mem_node_cleanup(mem->mm_node);
764 vram->put(dev, (struct nouveau_mem **)&mem->mm_node);
765 }
766
767 static int
768 nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
769 struct ttm_buffer_object *bo,
770 struct ttm_placement *placement,
771 struct ttm_mem_reg *mem)
772 {
773 struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
774 struct nouveau_vram_engine *vram = &dev_priv->engine.vram;
775 struct drm_device *dev = dev_priv->dev;
776 struct nouveau_bo *nvbo = nouveau_bo(bo);
777 struct nouveau_mem *node;
778 u32 size_nc = 0;
779 int ret;
780
781 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
782 size_nc = 1 << nvbo->page_shift;
783
784 ret = vram->get(dev, mem->num_pages << PAGE_SHIFT,
785 mem->page_alignment << PAGE_SHIFT, size_nc,
786 (nvbo->tile_flags >> 8) & 0x3ff, &node);
787 if (ret) {
788 mem->mm_node = NULL;
789 return (ret == -ENOSPC) ? 0 : ret;
790 }
791
792 node->page_shift = nvbo->page_shift;
793
794 mem->mm_node = node;
795 mem->start = node->offset >> PAGE_SHIFT;
796 return 0;
797 }
798
799 void
800 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
801 {
802 struct nouveau_mm *mm = man->priv;
803 struct nouveau_mm_node *r;
804 u32 total = 0, free = 0;
805
806 mutex_lock(&mm->mutex);
807 list_for_each_entry(r, &mm->nodes, nl_entry) {
808 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
809 prefix, r->type, ((u64)r->offset << 12),
810 (((u64)r->offset + r->length) << 12));
811
812 total += r->length;
813 if (!r->type)
814 free += r->length;
815 }
816 mutex_unlock(&mm->mutex);
817
818 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n",
819 prefix, (u64)total << 12, (u64)free << 12);
820 printk(KERN_DEBUG "%s block: 0x%08x\n",
821 prefix, mm->block_size << 12);
822 }
823
824 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
825 nouveau_vram_manager_init,
826 nouveau_vram_manager_fini,
827 nouveau_vram_manager_new,
828 nouveau_vram_manager_del,
829 nouveau_vram_manager_debug
830 };
831
832 static int
833 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
834 {
835 return 0;
836 }
837
838 static int
839 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
840 {
841 return 0;
842 }
843
844 static void
845 nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
846 struct ttm_mem_reg *mem)
847 {
848 nouveau_mem_node_cleanup(mem->mm_node);
849 kfree(mem->mm_node);
850 mem->mm_node = NULL;
851 }
852
853 static int
854 nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
855 struct ttm_buffer_object *bo,
856 struct ttm_placement *placement,
857 struct ttm_mem_reg *mem)
858 {
859 struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
860 struct nouveau_mem *node;
861
862 if (unlikely((mem->num_pages << PAGE_SHIFT) >=
863 dev_priv->gart_info.aper_size))
864 return -ENOMEM;
865
866 node = kzalloc(sizeof(*node), GFP_KERNEL);
867 if (!node)
868 return -ENOMEM;
869 node->page_shift = 12;
870
871 mem->mm_node = node;
872 mem->start = 0;
873 return 0;
874 }
875
876 void
877 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
878 {
879 }
880
881 const struct ttm_mem_type_manager_func nouveau_gart_manager = {
882 nouveau_gart_manager_init,
883 nouveau_gart_manager_fini,
884 nouveau_gart_manager_new,
885 nouveau_gart_manager_del,
886 nouveau_gart_manager_debug
887 };
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree