1 /* 2 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA, 3 * All Rights Reserved. 4 * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA, 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sub license, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 #include <subdev/fb.h> 28 #include <subdev/vm.h> 29 #include <subdev/instmem.h> 30 31 #include "nouveau_drm.h" 32 #include "nouveau_ttm.h" 33 #include "nouveau_gem.h" 34 35 static int 36 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 37 { 38 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 39 struct nouveau_fb *pfb = nouveau_fb(drm->device); 40 man->priv = pfb; 41 return 0; 42 } 43 44 static int 45 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man) 46 { 47 man->priv = NULL; 48 return 0; 49 } 50 51 static inline void 52 nouveau_mem_node_cleanup(struct nouveau_mem *node) 53 { 54 if (node->vma[0].node) { 55 nouveau_vm_unmap(&node->vma[0]); 56 nouveau_vm_put(&node->vma[0]); 57 } 58 59 if (node->vma[1].node) { 60 nouveau_vm_unmap(&node->vma[1]); 61 nouveau_vm_put(&node->vma[1]); 62 } 63 } 64 65 static void 66 nouveau_vram_manager_del(struct ttm_mem_type_manager *man, 67 struct ttm_mem_reg *mem) 68 { 69 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 70 struct nouveau_fb *pfb = nouveau_fb(drm->device); 71 nouveau_mem_node_cleanup(mem->mm_node); 72 pfb->ram->put(pfb, (struct nouveau_mem **)&mem->mm_node); 73 } 74 75 static int 76 nouveau_vram_manager_new(struct ttm_mem_type_manager *man, 77 struct ttm_buffer_object *bo, 78 struct ttm_placement *placement, 79 struct ttm_mem_reg *mem) 80 { 81 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 82 struct nouveau_fb *pfb = nouveau_fb(drm->device); 83 struct nouveau_bo *nvbo = nouveau_bo(bo); 84 struct nouveau_mem *node; 85 u32 size_nc = 0; 86 int ret; 87 88 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) 89 size_nc = 1 << nvbo->page_shift; 90 91 ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT, 92 mem->page_alignment << PAGE_SHIFT, size_nc, 93 (nvbo->tile_flags >> 8) & 0x3ff, &node); 94 if (ret) { 95 mem->mm_node = NULL; 96 return (ret == -ENOSPC) ? 0 : ret; 97 } 98 99 node->page_shift = nvbo->page_shift; 100 101 mem->mm_node = node; 102 mem->start = node->offset >> PAGE_SHIFT; 103 return 0; 104 } 105 106 static void 107 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 108 { 109 struct nouveau_fb *pfb = man->priv; 110 struct nouveau_mm *mm = &pfb->vram; 111 struct nouveau_mm_node *r; 112 u32 total = 0, free = 0; 113 114 mutex_lock(&nv_subdev(pfb)->mutex); 115 list_for_each_entry(r, &mm->nodes, nl_entry) { 116 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n", 117 prefix, r->type, ((u64)r->offset << 12), 118 (((u64)r->offset + r->length) << 12)); 119 120 total += r->length; 121 if (!r->type) 122 free += r->length; 123 } 124 mutex_unlock(&nv_subdev(pfb)->mutex); 125 126 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n", 127 prefix, (u64)total << 12, (u64)free << 12); 128 printk(KERN_DEBUG "%s block: 0x%08x\n", 129 prefix, mm->block_size << 12); 130 } 131 132 const struct ttm_mem_type_manager_func nouveau_vram_manager = { 133 nouveau_vram_manager_init, 134 nouveau_vram_manager_fini, 135 nouveau_vram_manager_new, 136 nouveau_vram_manager_del, 137 nouveau_vram_manager_debug 138 }; 139 140 static int 141 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 142 { 143 return 0; 144 } 145 146 static int 147 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man) 148 { 149 return 0; 150 } 151 152 static void 153 nouveau_gart_manager_del(struct ttm_mem_type_manager *man, 154 struct ttm_mem_reg *mem) 155 { 156 nouveau_mem_node_cleanup(mem->mm_node); 157 kfree(mem->mm_node); 158 mem->mm_node = NULL; 159 } 160 161 static int 162 nouveau_gart_manager_new(struct ttm_mem_type_manager *man, 163 struct ttm_buffer_object *bo, 164 struct ttm_placement *placement, 165 struct ttm_mem_reg *mem) 166 { 167 struct nouveau_drm *drm = nouveau_bdev(bo->bdev); 168 struct nouveau_bo *nvbo = nouveau_bo(bo); 169 struct nouveau_mem *node; 170 171 node = kzalloc(sizeof(*node), GFP_KERNEL); 172 if (!node) 173 return -ENOMEM; 174 175 node->page_shift = 12; 176 177 switch (nv_device(drm->device)->card_type) { 178 case NV_50: 179 if (nv_device(drm->device)->chipset != 0x50) 180 node->memtype = (nvbo->tile_flags & 0x7f00) >> 8; 181 break; 182 case NV_C0: 183 case NV_D0: 184 case NV_E0: 185 node->memtype = (nvbo->tile_flags & 0xff00) >> 8; 186 break; 187 default: 188 break; 189 } 190 191 mem->mm_node = node; 192 mem->start = 0; 193 return 0; 194 } 195 196 static void 197 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 198 { 199 } 200 201 const struct ttm_mem_type_manager_func nouveau_gart_manager = { 202 nouveau_gart_manager_init, 203 nouveau_gart_manager_fini, 204 nouveau_gart_manager_new, 205 nouveau_gart_manager_del, 206 nouveau_gart_manager_debug 207 }; 208 209 #include <core/subdev/vm/nv04.h> 210 static int 211 nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 212 { 213 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 214 struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device); 215 struct nv04_vmmgr_priv *priv = (void *)vmm; 216 struct nouveau_vm *vm = NULL; 217 nouveau_vm_ref(priv->vm, &vm, NULL); 218 man->priv = vm; 219 return 0; 220 } 221 222 static int 223 nv04_gart_manager_fini(struct ttm_mem_type_manager *man) 224 { 225 struct nouveau_vm *vm = man->priv; 226 nouveau_vm_ref(NULL, &vm, NULL); 227 man->priv = NULL; 228 return 0; 229 } 230 231 static void 232 nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) 233 { 234 struct nouveau_mem *node = mem->mm_node; 235 if (node->vma[0].node) 236 nouveau_vm_put(&node->vma[0]); 237 kfree(mem->mm_node); 238 mem->mm_node = NULL; 239 } 240 241 static int 242 nv04_gart_manager_new(struct ttm_mem_type_manager *man, 243 struct ttm_buffer_object *bo, 244 struct ttm_placement *placement, 245 struct ttm_mem_reg *mem) 246 { 247 struct nouveau_mem *node; 248 int ret; 249 250 node = kzalloc(sizeof(*node), GFP_KERNEL); 251 if (!node) 252 return -ENOMEM; 253 254 node->page_shift = 12; 255 256 ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift, 257 NV_MEM_ACCESS_RW, &node->vma[0]); 258 if (ret) { 259 kfree(node); 260 return ret; 261 } 262 263 mem->mm_node = node; 264 mem->start = node->vma[0].offset >> PAGE_SHIFT; 265 return 0; 266 } 267 268 static void 269 nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 270 { 271 } 272 273 const struct ttm_mem_type_manager_func nv04_gart_manager = { 274 nv04_gart_manager_init, 275 nv04_gart_manager_fini, 276 nv04_gart_manager_new, 277 nv04_gart_manager_del, 278 nv04_gart_manager_debug 279 }; 280 281 int 282 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma) 283 { 284 struct drm_file *file_priv = filp->private_data; 285 struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev); 286 287 if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) 288 return drm_mmap(filp, vma); 289 290 return ttm_bo_mmap(filp, vma, &drm->ttm.bdev); 291 } 292 293 static int 294 nouveau_ttm_mem_global_init(struct drm_global_reference *ref) 295 { 296 return ttm_mem_global_init(ref->object); 297 } 298 299 static void 300 nouveau_ttm_mem_global_release(struct drm_global_reference *ref) 301 { 302 ttm_mem_global_release(ref->object); 303 } 304 305 int 306 nouveau_ttm_global_init(struct nouveau_drm *drm) 307 { 308 struct drm_global_reference *global_ref; 309 int ret; 310 311 global_ref = &drm->ttm.mem_global_ref; 312 global_ref->global_type = DRM_GLOBAL_TTM_MEM; 313 global_ref->size = sizeof(struct ttm_mem_global); 314 global_ref->init = &nouveau_ttm_mem_global_init; 315 global_ref->release = &nouveau_ttm_mem_global_release; 316 317 ret = drm_global_item_ref(global_ref); 318 if (unlikely(ret != 0)) { 319 DRM_ERROR("Failed setting up TTM memory accounting\n"); 320 drm->ttm.mem_global_ref.release = NULL; 321 return ret; 322 } 323 324 drm->ttm.bo_global_ref.mem_glob = global_ref->object; 325 global_ref = &drm->ttm.bo_global_ref.ref; 326 global_ref->global_type = DRM_GLOBAL_TTM_BO; 327 global_ref->size = sizeof(struct ttm_bo_global); 328 global_ref->init = &ttm_bo_global_init; 329 global_ref->release = &ttm_bo_global_release; 330 331 ret = drm_global_item_ref(global_ref); 332 if (unlikely(ret != 0)) { 333 DRM_ERROR("Failed setting up TTM BO subsystem\n"); 334 drm_global_item_unref(&drm->ttm.mem_global_ref); 335 drm->ttm.mem_global_ref.release = NULL; 336 return ret; 337 } 338 339 return 0; 340 } 341 342 void 343 nouveau_ttm_global_release(struct nouveau_drm *drm) 344 { 345 if (drm->ttm.mem_global_ref.release == NULL) 346 return; 347 348 drm_global_item_unref(&drm->ttm.bo_global_ref.ref); 349 drm_global_item_unref(&drm->ttm.mem_global_ref); 350 drm->ttm.mem_global_ref.release = NULL; 351 } 352 353 int 354 nouveau_ttm_init(struct nouveau_drm *drm) 355 { 356 struct drm_device *dev = drm->dev; 357 struct nouveau_device *device = nv_device(drm->device); 358 u32 bits; 359 int ret; 360 361 bits = nouveau_vmmgr(drm->device)->dma_bits; 362 if (nv_device_is_pci(device)) { 363 if (drm->agp.stat == ENABLED || 364 !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits))) 365 bits = 32; 366 367 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits)); 368 if (ret) 369 return ret; 370 371 ret = pci_set_consistent_dma_mask(dev->pdev, 372 DMA_BIT_MASK(bits)); 373 if (ret) 374 pci_set_consistent_dma_mask(dev->pdev, 375 DMA_BIT_MASK(32)); 376 } 377 378 ret = nouveau_ttm_global_init(drm); 379 if (ret) 380 return ret; 381 382 ret = ttm_bo_device_init(&drm->ttm.bdev, 383 drm->ttm.bo_global_ref.ref.object, 384 &nouveau_bo_driver, 385 dev->anon_inode->i_mapping, 386 DRM_FILE_PAGE_OFFSET, 387 bits <= 32 ? true : false); 388 if (ret) { 389 NV_ERROR(drm, "error initialising bo driver, %d\n", ret); 390 return ret; 391 } 392 393 /* VRAM init */ 394 drm->gem.vram_available = nouveau_fb(drm->device)->ram->size; 395 drm->gem.vram_available -= nouveau_instmem(drm->device)->reserved; 396 397 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM, 398 drm->gem.vram_available >> PAGE_SHIFT); 399 if (ret) { 400 NV_ERROR(drm, "VRAM mm init failed, %d\n", ret); 401 return ret; 402 } 403 404 drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(device, 1), 405 nv_device_resource_len(device, 1)); 406 407 /* GART init */ 408 if (drm->agp.stat != ENABLED) { 409 drm->gem.gart_available = nouveau_vmmgr(drm->device)->limit; 410 } else { 411 drm->gem.gart_available = drm->agp.size; 412 } 413 414 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT, 415 drm->gem.gart_available >> PAGE_SHIFT); 416 if (ret) { 417 NV_ERROR(drm, "GART mm init failed, %d\n", ret); 418 return ret; 419 } 420 421 NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20)); 422 NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20)); 423 return 0; 424 } 425 426 void 427 nouveau_ttm_fini(struct nouveau_drm *drm) 428 { 429 mutex_lock(&drm->dev->struct_mutex); 430 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM); 431 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT); 432 mutex_unlock(&drm->dev->struct_mutex); 433 434 ttm_bo_device_release(&drm->ttm.bdev); 435 436 nouveau_ttm_global_release(drm); 437 438 arch_phys_wc_del(drm->ttm.mtrr); 439 drm->ttm.mtrr = 0; 440 } 441