2 * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
3 * Copyright 2005 Stephane Marchesin
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.
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:
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
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.
29 * Keith Whitwell <keith@tungstengraphics.com>
35 #include "drm_sarea.h"
36 #include "nouveau_drv.h"
39 * NV10-NV40 tiling helpers
43 nv10_mem_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
44 uint32_t size, uint32_t pitch)
46 struct drm_nouveau_private *dev_priv = dev->dev_private;
47 struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
48 struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
49 struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
50 struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
55 nouveau_fence_unref((void **)&tile->fence);
57 if (!pfifo->cache_flush(dev))
60 pfifo->reassign(dev, false);
61 pfifo->cache_flush(dev);
62 pfifo->cache_pull(dev, false);
64 nouveau_wait_for_idle(dev);
66 pgraph->set_region_tiling(dev, i, addr, size, pitch);
67 pfb->set_region_tiling(dev, i, addr, size, pitch);
69 pfifo->cache_pull(dev, true);
70 pfifo->reassign(dev, true);
73 struct nouveau_tile_reg *
74 nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
77 struct drm_nouveau_private *dev_priv = dev->dev_private;
78 struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
79 struct nouveau_tile_reg *tile = dev_priv->tile.reg, *found = NULL;
82 spin_lock(&dev_priv->tile.lock);
84 for (i = 0; i < pfb->num_tiles; i++) {
86 /* Tile region in use. */
90 !nouveau_fence_signalled(tile[i].fence, NULL))
91 /* Pending tile region. */
94 if (max(tile[i].addr, addr) <
95 min(tile[i].addr + tile[i].size, addr + size))
96 /* Kill an intersecting tile region. */
97 nv10_mem_set_region_tiling(dev, i, 0, 0, 0);
99 if (pitch && !found) {
100 /* Free tile region. */
101 nv10_mem_set_region_tiling(dev, i, addr, size, pitch);
106 spin_unlock(&dev_priv->tile.lock);
112 nv10_mem_expire_tiling(struct drm_device *dev, struct nouveau_tile_reg *tile,
113 struct nouveau_fence *fence)
116 /* Mark it as pending. */
118 nouveau_fence_ref(fence);
128 nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
129 uint32_t flags, uint64_t phys)
131 struct drm_nouveau_private *dev_priv = dev->dev_private;
132 struct nouveau_gpuobj *pgt;
136 virt = ((virt - dev_priv->vm_vram_base) >> 16) << 1;
137 size = (size >> 16) << 1;
139 phys |= ((uint64_t)flags << 32);
141 if (dev_priv->vram_sys_base) {
142 phys += dev_priv->vram_sys_base;
147 unsigned offset_h = upper_32_bits(phys);
148 unsigned offset_l = lower_32_bits(phys);
151 for (i = 7; i >= 0; i--) {
152 block = 1 << (i + 1);
153 if (size >= block && !(virt & (block - 1)))
156 offset_l |= (i << 7);
162 pgt = dev_priv->vm_vram_pt[virt >> 14];
168 block -= (end - pte);
172 nv_wo32(pgt, (pte * 4) + 0, offset_l);
173 nv_wo32(pgt, (pte * 4) + 4, offset_h);
178 dev_priv->engine.instmem.flush(dev);
180 nv50_vm_flush(dev, 5);
181 nv50_vm_flush(dev, 0);
182 nv50_vm_flush(dev, 4);
183 nv50_vm_flush(dev, 6);
188 nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size)
190 struct drm_nouveau_private *dev_priv = dev->dev_private;
191 struct nouveau_gpuobj *pgt;
192 unsigned pages, pte, end;
194 virt -= dev_priv->vm_vram_base;
195 pages = (size >> 16) << 1;
198 pgt = dev_priv->vm_vram_pt[virt >> 29];
199 pte = (virt & 0x1ffe0000ULL) >> 15;
204 pages -= (end - pte);
205 virt += (end - pte) << 15;
208 nv_wo32(pgt, (pte * 4), 0);
212 dev_priv->engine.instmem.flush(dev);
214 nv50_vm_flush(dev, 5);
215 nv50_vm_flush(dev, 0);
216 nv50_vm_flush(dev, 4);
217 nv50_vm_flush(dev, 6);
224 nouveau_mem_close(struct drm_device *dev)
226 struct drm_nouveau_private *dev_priv = dev->dev_private;
228 nouveau_bo_unpin(dev_priv->vga_ram);
229 nouveau_bo_ref(NULL, &dev_priv->vga_ram);
231 ttm_bo_device_release(&dev_priv->ttm.bdev);
233 nouveau_ttm_global_release(dev_priv);
235 if (drm_core_has_AGP(dev) && dev->agp) {
236 struct drm_agp_mem *entry, *tempe;
238 /* Remove AGP resources, but leave dev->agp
239 intact until drv_cleanup is called. */
240 list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
242 drm_unbind_agp(entry->memory);
243 drm_free_agp(entry->memory, entry->pages);
246 INIT_LIST_HEAD(&dev->agp->memory);
248 if (dev->agp->acquired)
249 drm_agp_release(dev);
251 dev->agp->acquired = 0;
252 dev->agp->enabled = 0;
255 if (dev_priv->fb_mtrr) {
256 drm_mtrr_del(dev_priv->fb_mtrr,
257 pci_resource_start(dev->pdev, 1),
258 pci_resource_len(dev->pdev, 1), DRM_MTRR_WC);
259 dev_priv->fb_mtrr = -1;
264 nouveau_mem_detect_nv04(struct drm_device *dev)
266 uint32_t boot0 = nv_rd32(dev, NV04_PFB_BOOT_0);
268 if (boot0 & 0x00000100)
269 return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024;
271 switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
272 case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
273 return 32 * 1024 * 1024;
274 case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
275 return 16 * 1024 * 1024;
276 case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
277 return 8 * 1024 * 1024;
278 case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
279 return 4 * 1024 * 1024;
286 nouveau_mem_detect_nforce(struct drm_device *dev)
288 struct drm_nouveau_private *dev_priv = dev->dev_private;
289 struct pci_dev *bridge;
292 bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
294 NV_ERROR(dev, "no bridge device\n");
298 if (dev_priv->flags & NV_NFORCE) {
299 pci_read_config_dword(bridge, 0x7C, &mem);
300 return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024;
302 if (dev_priv->flags & NV_NFORCE2) {
303 pci_read_config_dword(bridge, 0x84, &mem);
304 return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024;
307 NV_ERROR(dev, "impossible!\n");
311 /* returns the amount of FB ram in bytes */
313 nouveau_mem_detect(struct drm_device *dev)
315 struct drm_nouveau_private *dev_priv = dev->dev_private;
317 if (dev_priv->card_type == NV_04) {
318 dev_priv->vram_size = nouveau_mem_detect_nv04(dev);
320 if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) {
321 dev_priv->vram_size = nouveau_mem_detect_nforce(dev);
323 if (dev_priv->card_type < NV_50) {
324 dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
325 dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
327 if (dev_priv->card_type < NV_C0) {
328 dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
329 dev_priv->vram_size |= (dev_priv->vram_size & 0xff) << 32;
330 dev_priv->vram_size &= 0xffffffff00ll;
331 if (dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) {
332 dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10);
333 dev_priv->vram_sys_base <<= 12;
336 dev_priv->vram_size = nv_rd32(dev, 0x10f20c) << 20;
337 dev_priv->vram_size *= nv_rd32(dev, 0x121c74);
340 NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20));
341 if (dev_priv->vram_sys_base) {
342 NV_INFO(dev, "Stolen system memory at: 0x%010llx\n",
343 dev_priv->vram_sys_base);
346 if (dev_priv->vram_size)
352 nouveau_mem_reset_agp(struct drm_device *dev)
355 uint32_t saved_pci_nv_1, pmc_enable;
358 /* First of all, disable fast writes, otherwise if it's
359 * already enabled in the AGP bridge and we disable the card's
360 * AGP controller we might be locking ourselves out of it. */
361 if ((nv_rd32(dev, NV04_PBUS_PCI_NV_19) |
362 dev->agp->mode) & PCI_AGP_COMMAND_FW) {
363 struct drm_agp_info info;
364 struct drm_agp_mode mode;
366 ret = drm_agp_info(dev, &info);
370 mode.mode = info.mode & ~PCI_AGP_COMMAND_FW;
371 ret = drm_agp_enable(dev, mode);
376 saved_pci_nv_1 = nv_rd32(dev, NV04_PBUS_PCI_NV_1);
378 /* clear busmaster bit */
379 nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1 & ~0x4);
381 nv_wr32(dev, NV04_PBUS_PCI_NV_19, 0);
383 /* power cycle pgraph, if enabled */
384 pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE);
385 if (pmc_enable & NV_PMC_ENABLE_PGRAPH) {
386 nv_wr32(dev, NV03_PMC_ENABLE,
387 pmc_enable & ~NV_PMC_ENABLE_PGRAPH);
388 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
389 NV_PMC_ENABLE_PGRAPH);
392 /* and restore (gives effect of resetting AGP) */
393 nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1);
400 nouveau_mem_init_agp(struct drm_device *dev)
403 struct drm_nouveau_private *dev_priv = dev->dev_private;
404 struct drm_agp_info info;
405 struct drm_agp_mode mode;
408 if (!dev->agp->acquired) {
409 ret = drm_agp_acquire(dev);
411 NV_ERROR(dev, "Unable to acquire AGP: %d\n", ret);
416 nouveau_mem_reset_agp(dev);
418 ret = drm_agp_info(dev, &info);
420 NV_ERROR(dev, "Unable to get AGP info: %d\n", ret);
424 /* see agp.h for the AGPSTAT_* modes available */
425 mode.mode = info.mode;
426 ret = drm_agp_enable(dev, mode);
428 NV_ERROR(dev, "Unable to enable AGP: %d\n", ret);
432 dev_priv->gart_info.type = NOUVEAU_GART_AGP;
433 dev_priv->gart_info.aper_base = info.aperture_base;
434 dev_priv->gart_info.aper_size = info.aperture_size;
440 nouveau_mem_init(struct drm_device *dev)
442 struct drm_nouveau_private *dev_priv = dev->dev_private;
443 struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
444 int ret, dma_bits = 32;
446 dev_priv->fb_phys = pci_resource_start(dev->pdev, 1);
447 dev_priv->gart_info.type = NOUVEAU_GART_NONE;
449 if (dev_priv->card_type >= NV_50 &&
450 pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
453 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
455 NV_ERROR(dev, "Error setting DMA mask: %d\n", ret);
459 ret = nouveau_ttm_global_init(dev_priv);
463 ret = ttm_bo_device_init(&dev_priv->ttm.bdev,
464 dev_priv->ttm.bo_global_ref.ref.object,
465 &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET,
466 dma_bits <= 32 ? true : false);
468 NV_ERROR(dev, "Error initialising bo driver: %d\n", ret);
472 spin_lock_init(&dev_priv->tile.lock);
474 dev_priv->fb_available_size = dev_priv->vram_size;
475 dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
476 if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1))
477 dev_priv->fb_mappable_pages =
478 pci_resource_len(dev->pdev, 1);
479 dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
481 /* remove reserved space at end of vram from available amount */
482 dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram;
483 dev_priv->fb_aper_free = dev_priv->fb_available_size;
486 ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
487 dev_priv->fb_available_size >> PAGE_SHIFT);
489 NV_ERROR(dev, "Failed VRAM mm init: %d\n", ret);
493 ret = nouveau_bo_new(dev, NULL, 256*1024, 0, TTM_PL_FLAG_VRAM,
494 0, 0, true, true, &dev_priv->vga_ram);
496 ret = nouveau_bo_pin(dev_priv->vga_ram, TTM_PL_FLAG_VRAM);
498 NV_WARN(dev, "failed to reserve VGA memory\n");
499 nouveau_bo_ref(NULL, &dev_priv->vga_ram);
503 #if !defined(__powerpc__) && !defined(__ia64__)
504 if (drm_device_is_agp(dev) && dev->agp && !nouveau_noagp) {
505 ret = nouveau_mem_init_agp(dev);
507 NV_ERROR(dev, "Error initialising AGP: %d\n", ret);
511 if (dev_priv->gart_info.type == NOUVEAU_GART_NONE) {
512 ret = nouveau_sgdma_init(dev);
514 NV_ERROR(dev, "Error initialising PCI(E): %d\n", ret);
519 NV_INFO(dev, "%d MiB GART (aperture)\n",
520 (int)(dev_priv->gart_info.aper_size >> 20));
521 dev_priv->gart_info.aper_free = dev_priv->gart_info.aper_size;
523 ret = ttm_bo_init_mm(bdev, TTM_PL_TT,
524 dev_priv->gart_info.aper_size >> PAGE_SHIFT);
526 NV_ERROR(dev, "Failed TT mm init: %d\n", ret);
530 dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
531 pci_resource_len(dev->pdev, 1),