Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Intel GTT (Graphics Translation Table) routines |
| 3 | * |
| 4 | * Caveat: This driver implements the linux agp interface, but this is far from |
| 5 | * a agp driver! GTT support ended up here for purely historical reasons: The |
| 6 | * old userspace intel graphics drivers needed an interface to map memory into |
| 7 | * the GTT. And the drm provides a default interface for graphic devices sitting |
| 8 | * on an agp port. So it made sense to fake the GTT support as an agp port to |
| 9 | * avoid having to create a new api. |
| 10 | * |
| 11 | * With gem this does not make much sense anymore, just needlessly complicates |
| 12 | * the code. But as long as the old graphics stack is still support, it's stuck |
| 13 | * here. |
| 14 | * |
| 15 | * /fairy-tale-mode off |
| 16 | */ |
| 17 | |
Daniel Vetter | e2404e7 | 2010-09-08 17:29:51 +0200 | [diff] [blame] | 18 | #include <linux/module.h> |
| 19 | #include <linux/pci.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/pagemap.h> |
| 23 | #include <linux/agp_backend.h> |
| 24 | #include <asm/smp.h> |
| 25 | #include "agp.h" |
| 26 | #include "intel-agp.h" |
| 27 | #include <linux/intel-gtt.h> |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 28 | #include <drm/intel-gtt.h> |
Daniel Vetter | e2404e7 | 2010-09-08 17:29:51 +0200 | [diff] [blame] | 29 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 30 | /* |
| 31 | * If we have Intel graphics, we're not going to have anything other than |
| 32 | * an Intel IOMMU. So make the correct use of the PCI DMA API contingent |
| 33 | * on the Intel IOMMU support (CONFIG_DMAR). |
| 34 | * Only newer chipsets need to bother with this, of course. |
| 35 | */ |
| 36 | #ifdef CONFIG_DMAR |
| 37 | #define USE_PCI_DMA_API 1 |
| 38 | #endif |
| 39 | |
Jesse Barnes | d1d6ca7 | 2010-07-08 09:22:46 -0700 | [diff] [blame] | 40 | /* Max amount of stolen space, anything above will be returned to Linux */ |
| 41 | int intel_max_stolen = 32 * 1024 * 1024; |
| 42 | EXPORT_SYMBOL(intel_max_stolen); |
| 43 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 44 | static const struct aper_size_info_fixed intel_i810_sizes[] = |
| 45 | { |
| 46 | {64, 16384, 4}, |
| 47 | /* The 32M mode still requires a 64k gatt */ |
| 48 | {32, 8192, 4} |
| 49 | }; |
| 50 | |
| 51 | #define AGP_DCACHE_MEMORY 1 |
| 52 | #define AGP_PHYS_MEMORY 2 |
| 53 | #define INTEL_AGP_CACHED_MEMORY 3 |
| 54 | |
| 55 | static struct gatt_mask intel_i810_masks[] = |
| 56 | { |
| 57 | {.mask = I810_PTE_VALID, .type = 0}, |
| 58 | {.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY}, |
| 59 | {.mask = I810_PTE_VALID, .type = 0}, |
| 60 | {.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED, |
| 61 | .type = INTEL_AGP_CACHED_MEMORY} |
| 62 | }; |
| 63 | |
Zhenyu Wang | f8f235e | 2010-08-27 11:08:57 +0800 | [diff] [blame] | 64 | #define INTEL_AGP_UNCACHED_MEMORY 0 |
| 65 | #define INTEL_AGP_CACHED_MEMORY_LLC 1 |
| 66 | #define INTEL_AGP_CACHED_MEMORY_LLC_GFDT 2 |
| 67 | #define INTEL_AGP_CACHED_MEMORY_LLC_MLC 3 |
| 68 | #define INTEL_AGP_CACHED_MEMORY_LLC_MLC_GFDT 4 |
| 69 | |
| 70 | static struct gatt_mask intel_gen6_masks[] = |
| 71 | { |
| 72 | {.mask = I810_PTE_VALID | GEN6_PTE_UNCACHED, |
| 73 | .type = INTEL_AGP_UNCACHED_MEMORY }, |
| 74 | {.mask = I810_PTE_VALID | GEN6_PTE_LLC, |
| 75 | .type = INTEL_AGP_CACHED_MEMORY_LLC }, |
| 76 | {.mask = I810_PTE_VALID | GEN6_PTE_LLC | GEN6_PTE_GFDT, |
| 77 | .type = INTEL_AGP_CACHED_MEMORY_LLC_GFDT }, |
| 78 | {.mask = I810_PTE_VALID | GEN6_PTE_LLC_MLC, |
| 79 | .type = INTEL_AGP_CACHED_MEMORY_LLC_MLC }, |
| 80 | {.mask = I810_PTE_VALID | GEN6_PTE_LLC_MLC | GEN6_PTE_GFDT, |
| 81 | .type = INTEL_AGP_CACHED_MEMORY_LLC_MLC_GFDT }, |
| 82 | }; |
| 83 | |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 84 | struct intel_gtt_driver { |
| 85 | unsigned int gen : 8; |
| 86 | unsigned int is_g33 : 1; |
| 87 | unsigned int is_pineview : 1; |
| 88 | unsigned int is_ironlake : 1; |
| 89 | }; |
| 90 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 91 | static struct _intel_private { |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 92 | struct intel_gtt base; |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 93 | const struct intel_gtt_driver *driver; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 94 | struct pci_dev *pcidev; /* device one */ |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 95 | struct pci_dev *bridge_dev; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 96 | u8 __iomem *registers; |
| 97 | u32 __iomem *gtt; /* I915G */ |
| 98 | int num_dcache_entries; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 99 | union { |
| 100 | void __iomem *i9xx_flush_page; |
| 101 | void *i8xx_flush_page; |
| 102 | }; |
| 103 | struct page *i8xx_page; |
| 104 | struct resource ifp_resource; |
| 105 | int resource_valid; |
| 106 | } intel_private; |
| 107 | |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 108 | #define INTEL_GTT_GEN intel_private.driver->gen |
| 109 | #define IS_G33 intel_private.driver->is_g33 |
| 110 | #define IS_PINEVIEW intel_private.driver->is_pineview |
| 111 | #define IS_IRONLAKE intel_private.driver->is_ironlake |
| 112 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 113 | #ifdef USE_PCI_DMA_API |
| 114 | static int intel_agp_map_page(struct page *page, dma_addr_t *ret) |
| 115 | { |
| 116 | *ret = pci_map_page(intel_private.pcidev, page, 0, |
| 117 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); |
| 118 | if (pci_dma_mapping_error(intel_private.pcidev, *ret)) |
| 119 | return -EINVAL; |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static void intel_agp_unmap_page(struct page *page, dma_addr_t dma) |
| 124 | { |
| 125 | pci_unmap_page(intel_private.pcidev, dma, |
| 126 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); |
| 127 | } |
| 128 | |
| 129 | static void intel_agp_free_sglist(struct agp_memory *mem) |
| 130 | { |
| 131 | struct sg_table st; |
| 132 | |
| 133 | st.sgl = mem->sg_list; |
| 134 | st.orig_nents = st.nents = mem->page_count; |
| 135 | |
| 136 | sg_free_table(&st); |
| 137 | |
| 138 | mem->sg_list = NULL; |
| 139 | mem->num_sg = 0; |
| 140 | } |
| 141 | |
| 142 | static int intel_agp_map_memory(struct agp_memory *mem) |
| 143 | { |
| 144 | struct sg_table st; |
| 145 | struct scatterlist *sg; |
| 146 | int i; |
| 147 | |
| 148 | DBG("try mapping %lu pages\n", (unsigned long)mem->page_count); |
| 149 | |
| 150 | if (sg_alloc_table(&st, mem->page_count, GFP_KERNEL)) |
Chris Wilson | 831cd44 | 2010-07-24 18:29:37 +0100 | [diff] [blame] | 151 | goto err; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 152 | |
| 153 | mem->sg_list = sg = st.sgl; |
| 154 | |
| 155 | for (i = 0 ; i < mem->page_count; i++, sg = sg_next(sg)) |
| 156 | sg_set_page(sg, mem->pages[i], PAGE_SIZE, 0); |
| 157 | |
| 158 | mem->num_sg = pci_map_sg(intel_private.pcidev, mem->sg_list, |
| 159 | mem->page_count, PCI_DMA_BIDIRECTIONAL); |
Chris Wilson | 831cd44 | 2010-07-24 18:29:37 +0100 | [diff] [blame] | 160 | if (unlikely(!mem->num_sg)) |
| 161 | goto err; |
| 162 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 163 | return 0; |
Chris Wilson | 831cd44 | 2010-07-24 18:29:37 +0100 | [diff] [blame] | 164 | |
| 165 | err: |
| 166 | sg_free_table(&st); |
| 167 | return -ENOMEM; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | static void intel_agp_unmap_memory(struct agp_memory *mem) |
| 171 | { |
| 172 | DBG("try unmapping %lu pages\n", (unsigned long)mem->page_count); |
| 173 | |
| 174 | pci_unmap_sg(intel_private.pcidev, mem->sg_list, |
| 175 | mem->page_count, PCI_DMA_BIDIRECTIONAL); |
| 176 | intel_agp_free_sglist(mem); |
| 177 | } |
| 178 | |
| 179 | static void intel_agp_insert_sg_entries(struct agp_memory *mem, |
| 180 | off_t pg_start, int mask_type) |
| 181 | { |
| 182 | struct scatterlist *sg; |
| 183 | int i, j; |
| 184 | |
| 185 | j = pg_start; |
| 186 | |
| 187 | WARN_ON(!mem->num_sg); |
| 188 | |
| 189 | if (mem->num_sg == mem->page_count) { |
| 190 | for_each_sg(mem->sg_list, sg, mem->page_count, i) { |
| 191 | writel(agp_bridge->driver->mask_memory(agp_bridge, |
| 192 | sg_dma_address(sg), mask_type), |
| 193 | intel_private.gtt+j); |
| 194 | j++; |
| 195 | } |
| 196 | } else { |
| 197 | /* sg may merge pages, but we have to separate |
| 198 | * per-page addr for GTT */ |
| 199 | unsigned int len, m; |
| 200 | |
| 201 | for_each_sg(mem->sg_list, sg, mem->num_sg, i) { |
| 202 | len = sg_dma_len(sg) / PAGE_SIZE; |
| 203 | for (m = 0; m < len; m++) { |
| 204 | writel(agp_bridge->driver->mask_memory(agp_bridge, |
| 205 | sg_dma_address(sg) + m * PAGE_SIZE, |
| 206 | mask_type), |
| 207 | intel_private.gtt+j); |
| 208 | j++; |
| 209 | } |
| 210 | } |
| 211 | } |
| 212 | readl(intel_private.gtt+j-1); |
| 213 | } |
| 214 | |
| 215 | #else |
| 216 | |
| 217 | static void intel_agp_insert_sg_entries(struct agp_memory *mem, |
| 218 | off_t pg_start, int mask_type) |
| 219 | { |
| 220 | int i, j; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 221 | |
| 222 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { |
| 223 | writel(agp_bridge->driver->mask_memory(agp_bridge, |
| 224 | page_to_phys(mem->pages[i]), mask_type), |
| 225 | intel_private.gtt+j); |
| 226 | } |
| 227 | |
| 228 | readl(intel_private.gtt+j-1); |
| 229 | } |
| 230 | |
| 231 | #endif |
| 232 | |
| 233 | static int intel_i810_fetch_size(void) |
| 234 | { |
| 235 | u32 smram_miscc; |
| 236 | struct aper_size_info_fixed *values; |
| 237 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 238 | pci_read_config_dword(intel_private.bridge_dev, |
| 239 | I810_SMRAM_MISCC, &smram_miscc); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 240 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); |
| 241 | |
| 242 | if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) { |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 243 | dev_warn(&intel_private.bridge_dev->dev, "i810 is disabled\n"); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 244 | return 0; |
| 245 | } |
| 246 | if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) { |
Daniel Vetter | e158316 | 2010-04-14 00:29:58 +0200 | [diff] [blame] | 247 | agp_bridge->current_size = (void *) (values + 1); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 248 | agp_bridge->aperture_size_idx = 1; |
| 249 | return values[1].size; |
| 250 | } else { |
Daniel Vetter | e158316 | 2010-04-14 00:29:58 +0200 | [diff] [blame] | 251 | agp_bridge->current_size = (void *) (values); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 252 | agp_bridge->aperture_size_idx = 0; |
| 253 | return values[0].size; |
| 254 | } |
| 255 | |
| 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | static int intel_i810_configure(void) |
| 260 | { |
| 261 | struct aper_size_info_fixed *current_size; |
| 262 | u32 temp; |
| 263 | int i; |
| 264 | |
| 265 | current_size = A_SIZE_FIX(agp_bridge->current_size); |
| 266 | |
| 267 | if (!intel_private.registers) { |
| 268 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); |
| 269 | temp &= 0xfff80000; |
| 270 | |
| 271 | intel_private.registers = ioremap(temp, 128 * 4096); |
| 272 | if (!intel_private.registers) { |
| 273 | dev_err(&intel_private.pcidev->dev, |
| 274 | "can't remap memory\n"); |
| 275 | return -ENOMEM; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | if ((readl(intel_private.registers+I810_DRAM_CTL) |
| 280 | & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) { |
| 281 | /* This will need to be dynamically assigned */ |
| 282 | dev_info(&intel_private.pcidev->dev, |
| 283 | "detected 4MB dedicated video ram\n"); |
| 284 | intel_private.num_dcache_entries = 1024; |
| 285 | } |
| 286 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
| 287 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
| 288 | writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
| 289 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ |
| 290 | |
| 291 | if (agp_bridge->driver->needs_scratch_page) { |
| 292 | for (i = 0; i < current_size->num_entries; i++) { |
| 293 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
| 294 | } |
| 295 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */ |
| 296 | } |
| 297 | global_cache_flush(); |
| 298 | return 0; |
| 299 | } |
| 300 | |
| 301 | static void intel_i810_cleanup(void) |
| 302 | { |
| 303 | writel(0, intel_private.registers+I810_PGETBL_CTL); |
| 304 | readl(intel_private.registers); /* PCI Posting. */ |
| 305 | iounmap(intel_private.registers); |
| 306 | } |
| 307 | |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 308 | static void intel_fake_agp_enable(struct agp_bridge_data *bridge, u32 mode) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 309 | { |
| 310 | return; |
| 311 | } |
| 312 | |
| 313 | /* Exists to support ARGB cursors */ |
| 314 | static struct page *i8xx_alloc_pages(void) |
| 315 | { |
| 316 | struct page *page; |
| 317 | |
| 318 | page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2); |
| 319 | if (page == NULL) |
| 320 | return NULL; |
| 321 | |
| 322 | if (set_pages_uc(page, 4) < 0) { |
| 323 | set_pages_wb(page, 4); |
| 324 | __free_pages(page, 2); |
| 325 | return NULL; |
| 326 | } |
| 327 | get_page(page); |
| 328 | atomic_inc(&agp_bridge->current_memory_agp); |
| 329 | return page; |
| 330 | } |
| 331 | |
| 332 | static void i8xx_destroy_pages(struct page *page) |
| 333 | { |
| 334 | if (page == NULL) |
| 335 | return; |
| 336 | |
| 337 | set_pages_wb(page, 4); |
| 338 | put_page(page); |
| 339 | __free_pages(page, 2); |
| 340 | atomic_dec(&agp_bridge->current_memory_agp); |
| 341 | } |
| 342 | |
| 343 | static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge, |
| 344 | int type) |
| 345 | { |
| 346 | if (type < AGP_USER_TYPES) |
| 347 | return type; |
| 348 | else if (type == AGP_USER_CACHED_MEMORY) |
| 349 | return INTEL_AGP_CACHED_MEMORY; |
| 350 | else |
| 351 | return 0; |
| 352 | } |
| 353 | |
Zhenyu Wang | f8f235e | 2010-08-27 11:08:57 +0800 | [diff] [blame] | 354 | static int intel_gen6_type_to_mask_type(struct agp_bridge_data *bridge, |
| 355 | int type) |
| 356 | { |
| 357 | unsigned int type_mask = type & ~AGP_USER_CACHED_MEMORY_GFDT; |
| 358 | unsigned int gfdt = type & AGP_USER_CACHED_MEMORY_GFDT; |
| 359 | |
| 360 | if (type_mask == AGP_USER_UNCACHED_MEMORY) |
| 361 | return INTEL_AGP_UNCACHED_MEMORY; |
| 362 | else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) |
| 363 | return gfdt ? INTEL_AGP_CACHED_MEMORY_LLC_MLC_GFDT : |
| 364 | INTEL_AGP_CACHED_MEMORY_LLC_MLC; |
| 365 | else /* set 'normal'/'cached' to LLC by default */ |
| 366 | return gfdt ? INTEL_AGP_CACHED_MEMORY_LLC_GFDT : |
| 367 | INTEL_AGP_CACHED_MEMORY_LLC; |
| 368 | } |
| 369 | |
| 370 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 371 | static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, |
| 372 | int type) |
| 373 | { |
| 374 | int i, j, num_entries; |
| 375 | void *temp; |
| 376 | int ret = -EINVAL; |
| 377 | int mask_type; |
| 378 | |
| 379 | if (mem->page_count == 0) |
| 380 | goto out; |
| 381 | |
| 382 | temp = agp_bridge->current_size; |
| 383 | num_entries = A_SIZE_FIX(temp)->num_entries; |
| 384 | |
| 385 | if ((pg_start + mem->page_count) > num_entries) |
| 386 | goto out_err; |
| 387 | |
| 388 | |
| 389 | for (j = pg_start; j < (pg_start + mem->page_count); j++) { |
| 390 | if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) { |
| 391 | ret = -EBUSY; |
| 392 | goto out_err; |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | if (type != mem->type) |
| 397 | goto out_err; |
| 398 | |
| 399 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); |
| 400 | |
| 401 | switch (mask_type) { |
| 402 | case AGP_DCACHE_MEMORY: |
| 403 | if (!mem->is_flushed) |
| 404 | global_cache_flush(); |
| 405 | for (i = pg_start; i < (pg_start + mem->page_count); i++) { |
| 406 | writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID, |
| 407 | intel_private.registers+I810_PTE_BASE+(i*4)); |
| 408 | } |
| 409 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
| 410 | break; |
| 411 | case AGP_PHYS_MEMORY: |
| 412 | case AGP_NORMAL_MEMORY: |
| 413 | if (!mem->is_flushed) |
| 414 | global_cache_flush(); |
| 415 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { |
| 416 | writel(agp_bridge->driver->mask_memory(agp_bridge, |
| 417 | page_to_phys(mem->pages[i]), mask_type), |
| 418 | intel_private.registers+I810_PTE_BASE+(j*4)); |
| 419 | } |
| 420 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
| 421 | break; |
| 422 | default: |
| 423 | goto out_err; |
| 424 | } |
| 425 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 426 | out: |
| 427 | ret = 0; |
| 428 | out_err: |
| 429 | mem->is_flushed = true; |
| 430 | return ret; |
| 431 | } |
| 432 | |
| 433 | static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start, |
| 434 | int type) |
| 435 | { |
| 436 | int i; |
| 437 | |
| 438 | if (mem->page_count == 0) |
| 439 | return 0; |
| 440 | |
| 441 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { |
| 442 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
| 443 | } |
| 444 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
| 445 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 446 | return 0; |
| 447 | } |
| 448 | |
| 449 | /* |
| 450 | * The i810/i830 requires a physical address to program its mouse |
| 451 | * pointer into hardware. |
| 452 | * However the Xserver still writes to it through the agp aperture. |
| 453 | */ |
| 454 | static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type) |
| 455 | { |
| 456 | struct agp_memory *new; |
| 457 | struct page *page; |
| 458 | |
| 459 | switch (pg_count) { |
| 460 | case 1: page = agp_bridge->driver->agp_alloc_page(agp_bridge); |
| 461 | break; |
| 462 | case 4: |
| 463 | /* kludge to get 4 physical pages for ARGB cursor */ |
| 464 | page = i8xx_alloc_pages(); |
| 465 | break; |
| 466 | default: |
| 467 | return NULL; |
| 468 | } |
| 469 | |
| 470 | if (page == NULL) |
| 471 | return NULL; |
| 472 | |
| 473 | new = agp_create_memory(pg_count); |
| 474 | if (new == NULL) |
| 475 | return NULL; |
| 476 | |
| 477 | new->pages[0] = page; |
| 478 | if (pg_count == 4) { |
| 479 | /* kludge to get 4 physical pages for ARGB cursor */ |
| 480 | new->pages[1] = new->pages[0] + 1; |
| 481 | new->pages[2] = new->pages[1] + 1; |
| 482 | new->pages[3] = new->pages[2] + 1; |
| 483 | } |
| 484 | new->page_count = pg_count; |
| 485 | new->num_scratch_pages = pg_count; |
| 486 | new->type = AGP_PHYS_MEMORY; |
| 487 | new->physical = page_to_phys(new->pages[0]); |
| 488 | return new; |
| 489 | } |
| 490 | |
| 491 | static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type) |
| 492 | { |
| 493 | struct agp_memory *new; |
| 494 | |
| 495 | if (type == AGP_DCACHE_MEMORY) { |
| 496 | if (pg_count != intel_private.num_dcache_entries) |
| 497 | return NULL; |
| 498 | |
| 499 | new = agp_create_memory(1); |
| 500 | if (new == NULL) |
| 501 | return NULL; |
| 502 | |
| 503 | new->type = AGP_DCACHE_MEMORY; |
| 504 | new->page_count = pg_count; |
| 505 | new->num_scratch_pages = 0; |
| 506 | agp_free_page_array(new); |
| 507 | return new; |
| 508 | } |
| 509 | if (type == AGP_PHYS_MEMORY) |
| 510 | return alloc_agpphysmem_i8xx(pg_count, type); |
| 511 | return NULL; |
| 512 | } |
| 513 | |
| 514 | static void intel_i810_free_by_type(struct agp_memory *curr) |
| 515 | { |
| 516 | agp_free_key(curr->key); |
| 517 | if (curr->type == AGP_PHYS_MEMORY) { |
| 518 | if (curr->page_count == 4) |
| 519 | i8xx_destroy_pages(curr->pages[0]); |
| 520 | else { |
| 521 | agp_bridge->driver->agp_destroy_page(curr->pages[0], |
| 522 | AGP_PAGE_DESTROY_UNMAP); |
| 523 | agp_bridge->driver->agp_destroy_page(curr->pages[0], |
| 524 | AGP_PAGE_DESTROY_FREE); |
| 525 | } |
| 526 | agp_free_page_array(curr); |
| 527 | } |
| 528 | kfree(curr); |
| 529 | } |
| 530 | |
| 531 | static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge, |
| 532 | dma_addr_t addr, int type) |
| 533 | { |
| 534 | /* Type checking must be done elsewhere */ |
| 535 | return addr | bridge->driver->masks[type].mask; |
| 536 | } |
| 537 | |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 538 | static struct aper_size_info_fixed intel_fake_agp_sizes[] = |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 539 | { |
| 540 | {128, 32768, 5}, |
| 541 | /* The 64M mode still requires a 128k gatt */ |
| 542 | {64, 16384, 5}, |
| 543 | {256, 65536, 6}, |
| 544 | {512, 131072, 7}, |
| 545 | }; |
| 546 | |
Daniel Vetter | bfde067 | 2010-08-24 23:07:59 +0200 | [diff] [blame] | 547 | static unsigned int intel_gtt_stolen_entries(void) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 548 | { |
| 549 | u16 gmch_ctrl; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 550 | u8 rdct; |
| 551 | int local = 0; |
| 552 | static const int ddt[4] = { 0, 16, 32, 64 }; |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 553 | unsigned int overhead_entries, stolen_entries; |
| 554 | unsigned int stolen_size = 0; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 555 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 556 | pci_read_config_word(intel_private.bridge_dev, |
| 557 | I830_GMCH_CTRL, &gmch_ctrl); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 558 | |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 559 | if (INTEL_GTT_GEN > 4 || IS_PINEVIEW) |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 560 | overhead_entries = 0; |
| 561 | else |
| 562 | overhead_entries = intel_private.base.gtt_mappable_entries |
| 563 | / 1024; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 564 | |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 565 | overhead_entries += 1; /* BIOS popup */ |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 566 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 567 | if (intel_private.bridge_dev->device == PCI_DEVICE_ID_INTEL_82830_HB || |
| 568 | intel_private.bridge_dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 569 | switch (gmch_ctrl & I830_GMCH_GMS_MASK) { |
| 570 | case I830_GMCH_GMS_STOLEN_512: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 571 | stolen_size = KB(512); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 572 | break; |
| 573 | case I830_GMCH_GMS_STOLEN_1024: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 574 | stolen_size = MB(1); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 575 | break; |
| 576 | case I830_GMCH_GMS_STOLEN_8192: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 577 | stolen_size = MB(8); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 578 | break; |
| 579 | case I830_GMCH_GMS_LOCAL: |
| 580 | rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE); |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 581 | stolen_size = (I830_RDRAM_ND(rdct) + 1) * |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 582 | MB(ddt[I830_RDRAM_DDT(rdct)]); |
| 583 | local = 1; |
| 584 | break; |
| 585 | default: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 586 | stolen_size = 0; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 587 | break; |
| 588 | } |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 589 | } else if (INTEL_GTT_GEN == 6) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 590 | /* |
| 591 | * SandyBridge has new memory control reg at 0x50.w |
| 592 | */ |
| 593 | u16 snb_gmch_ctl; |
| 594 | pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); |
| 595 | switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) { |
| 596 | case SNB_GMCH_GMS_STOLEN_32M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 597 | stolen_size = MB(32); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 598 | break; |
| 599 | case SNB_GMCH_GMS_STOLEN_64M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 600 | stolen_size = MB(64); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 601 | break; |
| 602 | case SNB_GMCH_GMS_STOLEN_96M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 603 | stolen_size = MB(96); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 604 | break; |
| 605 | case SNB_GMCH_GMS_STOLEN_128M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 606 | stolen_size = MB(128); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 607 | break; |
| 608 | case SNB_GMCH_GMS_STOLEN_160M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 609 | stolen_size = MB(160); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 610 | break; |
| 611 | case SNB_GMCH_GMS_STOLEN_192M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 612 | stolen_size = MB(192); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 613 | break; |
| 614 | case SNB_GMCH_GMS_STOLEN_224M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 615 | stolen_size = MB(224); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 616 | break; |
| 617 | case SNB_GMCH_GMS_STOLEN_256M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 618 | stolen_size = MB(256); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 619 | break; |
| 620 | case SNB_GMCH_GMS_STOLEN_288M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 621 | stolen_size = MB(288); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 622 | break; |
| 623 | case SNB_GMCH_GMS_STOLEN_320M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 624 | stolen_size = MB(320); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 625 | break; |
| 626 | case SNB_GMCH_GMS_STOLEN_352M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 627 | stolen_size = MB(352); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 628 | break; |
| 629 | case SNB_GMCH_GMS_STOLEN_384M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 630 | stolen_size = MB(384); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 631 | break; |
| 632 | case SNB_GMCH_GMS_STOLEN_416M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 633 | stolen_size = MB(416); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 634 | break; |
| 635 | case SNB_GMCH_GMS_STOLEN_448M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 636 | stolen_size = MB(448); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 637 | break; |
| 638 | case SNB_GMCH_GMS_STOLEN_480M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 639 | stolen_size = MB(480); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 640 | break; |
| 641 | case SNB_GMCH_GMS_STOLEN_512M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 642 | stolen_size = MB(512); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 643 | break; |
| 644 | } |
| 645 | } else { |
| 646 | switch (gmch_ctrl & I855_GMCH_GMS_MASK) { |
| 647 | case I855_GMCH_GMS_STOLEN_1M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 648 | stolen_size = MB(1); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 649 | break; |
| 650 | case I855_GMCH_GMS_STOLEN_4M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 651 | stolen_size = MB(4); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 652 | break; |
| 653 | case I855_GMCH_GMS_STOLEN_8M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 654 | stolen_size = MB(8); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 655 | break; |
| 656 | case I855_GMCH_GMS_STOLEN_16M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 657 | stolen_size = MB(16); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 658 | break; |
| 659 | case I855_GMCH_GMS_STOLEN_32M: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 660 | stolen_size = MB(32); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 661 | break; |
| 662 | case I915_GMCH_GMS_STOLEN_48M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 663 | stolen_size = MB(48); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 664 | break; |
| 665 | case I915_GMCH_GMS_STOLEN_64M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 666 | stolen_size = MB(64); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 667 | break; |
| 668 | case G33_GMCH_GMS_STOLEN_128M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 669 | stolen_size = MB(128); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 670 | break; |
| 671 | case G33_GMCH_GMS_STOLEN_256M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 672 | stolen_size = MB(256); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 673 | break; |
| 674 | case INTEL_GMCH_GMS_STOLEN_96M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 675 | stolen_size = MB(96); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 676 | break; |
| 677 | case INTEL_GMCH_GMS_STOLEN_160M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 678 | stolen_size = MB(160); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 679 | break; |
| 680 | case INTEL_GMCH_GMS_STOLEN_224M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 681 | stolen_size = MB(224); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 682 | break; |
| 683 | case INTEL_GMCH_GMS_STOLEN_352M: |
Daniel Vetter | 77ad498 | 2010-08-27 16:25:54 +0200 | [diff] [blame] | 684 | stolen_size = MB(352); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 685 | break; |
| 686 | default: |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 687 | stolen_size = 0; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 688 | break; |
| 689 | } |
| 690 | } |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 691 | |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 692 | if (!local && stolen_size > intel_max_stolen) { |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 693 | dev_info(&intel_private.bridge_dev->dev, |
Jesse Barnes | d1d6ca7 | 2010-07-08 09:22:46 -0700 | [diff] [blame] | 694 | "detected %dK stolen memory, trimming to %dK\n", |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 695 | stolen_size / KB(1), intel_max_stolen / KB(1)); |
| 696 | stolen_size = intel_max_stolen; |
| 697 | } else if (stolen_size > 0) { |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 698 | dev_info(&intel_private.bridge_dev->dev, "detected %dK %s memory\n", |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 699 | stolen_size / KB(1), local ? "local" : "stolen"); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 700 | } else { |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 701 | dev_info(&intel_private.bridge_dev->dev, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 702 | "no pre-allocated video memory detected\n"); |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 703 | stolen_size = 0; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 704 | } |
| 705 | |
Daniel Vetter | d8d9abc | 2010-08-27 16:13:52 +0200 | [diff] [blame] | 706 | stolen_entries = stolen_size/KB(4) - overhead_entries; |
| 707 | |
| 708 | return stolen_entries; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 709 | } |
| 710 | |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 711 | static unsigned int intel_gtt_total_entries(void) |
| 712 | { |
| 713 | int size; |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 714 | |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 715 | if (IS_G33 || INTEL_GTT_GEN == 4 || INTEL_GTT_GEN == 5) { |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 716 | u32 pgetbl_ctl; |
| 717 | pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); |
| 718 | |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 719 | switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { |
| 720 | case I965_PGETBL_SIZE_128KB: |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 721 | size = KB(128); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 722 | break; |
| 723 | case I965_PGETBL_SIZE_256KB: |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 724 | size = KB(256); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 725 | break; |
| 726 | case I965_PGETBL_SIZE_512KB: |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 727 | size = KB(512); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 728 | break; |
| 729 | case I965_PGETBL_SIZE_1MB: |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 730 | size = KB(1024); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 731 | break; |
| 732 | case I965_PGETBL_SIZE_2MB: |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 733 | size = KB(2048); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 734 | break; |
| 735 | case I965_PGETBL_SIZE_1_5MB: |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 736 | size = KB(1024 + 512); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 737 | break; |
| 738 | default: |
| 739 | dev_info(&intel_private.pcidev->dev, |
| 740 | "unknown page table size, assuming 512KB\n"); |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 741 | size = KB(512); |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 742 | } |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 743 | |
| 744 | return size/4; |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 745 | } else if (INTEL_GTT_GEN == 6) { |
| 746 | u16 snb_gmch_ctl; |
| 747 | |
| 748 | pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); |
| 749 | switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) { |
| 750 | default: |
| 751 | case SNB_GTT_SIZE_0M: |
| 752 | printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl); |
| 753 | size = MB(0); |
| 754 | break; |
| 755 | case SNB_GTT_SIZE_1M: |
| 756 | size = MB(1); |
| 757 | break; |
| 758 | case SNB_GTT_SIZE_2M: |
| 759 | size = MB(2); |
| 760 | break; |
| 761 | } |
| 762 | return size/4; |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 763 | } else { |
| 764 | /* On previous hardware, the GTT size was just what was |
| 765 | * required to map the aperture. |
| 766 | */ |
Daniel Vetter | e5e408f | 2010-08-28 11:04:32 +0200 | [diff] [blame] | 767 | return intel_private.base.gtt_mappable_entries; |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 768 | } |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 769 | } |
Daniel Vetter | fbe4078 | 2010-08-27 17:12:41 +0200 | [diff] [blame] | 770 | |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 771 | static unsigned int intel_gtt_mappable_entries(void) |
| 772 | { |
| 773 | unsigned int aperture_size; |
| 774 | u16 gmch_ctrl; |
| 775 | |
| 776 | aperture_size = 1024 * 1024; |
| 777 | |
| 778 | pci_read_config_word(intel_private.bridge_dev, |
| 779 | I830_GMCH_CTRL, &gmch_ctrl); |
| 780 | |
| 781 | switch (intel_private.pcidev->device) { |
| 782 | case PCI_DEVICE_ID_INTEL_82830_CGC: |
| 783 | case PCI_DEVICE_ID_INTEL_82845G_IG: |
| 784 | case PCI_DEVICE_ID_INTEL_82855GM_IG: |
| 785 | case PCI_DEVICE_ID_INTEL_82865_IG: |
| 786 | if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_64M) |
| 787 | aperture_size *= 64; |
| 788 | else |
| 789 | aperture_size *= 128; |
| 790 | break; |
| 791 | default: |
| 792 | /* 9xx supports large sizes, just look at the length */ |
| 793 | aperture_size = pci_resource_len(intel_private.pcidev, 2); |
| 794 | break; |
| 795 | } |
| 796 | |
| 797 | return aperture_size >> PAGE_SHIFT; |
| 798 | } |
| 799 | |
| 800 | static int intel_gtt_init(void) |
| 801 | { |
| 802 | /* we have to call this as early as possible after the MMIO base address is known */ |
| 803 | intel_private.base.gtt_stolen_entries = intel_gtt_stolen_entries(); |
| 804 | if (intel_private.base.gtt_stolen_entries == 0) { |
| 805 | iounmap(intel_private.registers); |
| 806 | return -ENOMEM; |
| 807 | } |
| 808 | |
| 809 | return 0; |
| 810 | } |
| 811 | |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 812 | static int intel_fake_agp_fetch_size(void) |
| 813 | { |
| 814 | unsigned int aper_size; |
| 815 | int i; |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 816 | int num_sizes = ARRAY_SIZE(intel_fake_agp_sizes); |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 817 | |
| 818 | aper_size = (intel_private.base.gtt_mappable_entries << PAGE_SHIFT) |
| 819 | / MB(1); |
| 820 | |
| 821 | for (i = 0; i < num_sizes; i++) { |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 822 | if (aper_size == intel_fake_agp_sizes[i].size) { |
| 823 | agp_bridge->current_size = intel_fake_agp_sizes + i; |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 824 | return aper_size; |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | return 0; |
| 829 | } |
| 830 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 831 | static void intel_i830_fini_flush(void) |
| 832 | { |
| 833 | kunmap(intel_private.i8xx_page); |
| 834 | intel_private.i8xx_flush_page = NULL; |
| 835 | unmap_page_from_agp(intel_private.i8xx_page); |
| 836 | |
| 837 | __free_page(intel_private.i8xx_page); |
| 838 | intel_private.i8xx_page = NULL; |
| 839 | } |
| 840 | |
| 841 | static void intel_i830_setup_flush(void) |
| 842 | { |
| 843 | /* return if we've already set the flush mechanism up */ |
| 844 | if (intel_private.i8xx_page) |
| 845 | return; |
| 846 | |
| 847 | intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); |
| 848 | if (!intel_private.i8xx_page) |
| 849 | return; |
| 850 | |
| 851 | intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page); |
| 852 | if (!intel_private.i8xx_flush_page) |
| 853 | intel_i830_fini_flush(); |
| 854 | } |
| 855 | |
| 856 | /* The chipset_flush interface needs to get data that has already been |
| 857 | * flushed out of the CPU all the way out to main memory, because the GPU |
| 858 | * doesn't snoop those buffers. |
| 859 | * |
| 860 | * The 8xx series doesn't have the same lovely interface for flushing the |
| 861 | * chipset write buffers that the later chips do. According to the 865 |
| 862 | * specs, it's 64 octwords, or 1KB. So, to get those previous things in |
| 863 | * that buffer out, we just fill 1KB and clflush it out, on the assumption |
| 864 | * that it'll push whatever was in there out. It appears to work. |
| 865 | */ |
| 866 | static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) |
| 867 | { |
| 868 | unsigned int *pg = intel_private.i8xx_flush_page; |
| 869 | |
| 870 | memset(pg, 0, 1024); |
| 871 | |
| 872 | if (cpu_has_clflush) |
| 873 | clflush_cache_range(pg, 1024); |
| 874 | else if (wbinvd_on_all_cpus() != 0) |
| 875 | printk(KERN_ERR "Timed out waiting for cache flush.\n"); |
| 876 | } |
| 877 | |
| 878 | /* The intel i830 automatically initializes the agp aperture during POST. |
| 879 | * Use the memory already set aside for in the GTT. |
| 880 | */ |
| 881 | static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) |
| 882 | { |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 883 | int page_order, ret; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 884 | struct aper_size_info_fixed *size; |
| 885 | int num_entries; |
| 886 | u32 temp; |
| 887 | |
| 888 | size = agp_bridge->current_size; |
| 889 | page_order = size->page_order; |
| 890 | num_entries = size->num_entries; |
| 891 | agp_bridge->gatt_table_real = NULL; |
| 892 | |
| 893 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); |
| 894 | temp &= 0xfff80000; |
| 895 | |
| 896 | intel_private.registers = ioremap(temp, 128 * 4096); |
| 897 | if (!intel_private.registers) |
| 898 | return -ENOMEM; |
| 899 | |
| 900 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
| 901 | global_cache_flush(); /* FIXME: ?? */ |
| 902 | |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 903 | ret = intel_gtt_init(); |
| 904 | if (ret != 0) |
| 905 | return ret; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 906 | |
| 907 | agp_bridge->gatt_table = NULL; |
| 908 | |
| 909 | agp_bridge->gatt_bus_addr = temp; |
| 910 | |
| 911 | return 0; |
| 912 | } |
| 913 | |
| 914 | /* Return the gatt table to a sane state. Use the top of stolen |
| 915 | * memory for the GTT. |
| 916 | */ |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 917 | static int intel_fake_agp_free_gatt_table(struct agp_bridge_data *bridge) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 918 | { |
| 919 | return 0; |
| 920 | } |
| 921 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 922 | static int intel_i830_configure(void) |
| 923 | { |
| 924 | struct aper_size_info_fixed *current_size; |
| 925 | u32 temp; |
| 926 | u16 gmch_ctrl; |
| 927 | int i; |
| 928 | |
| 929 | current_size = A_SIZE_FIX(agp_bridge->current_size); |
| 930 | |
| 931 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
| 932 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
| 933 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 934 | pci_read_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, &gmch_ctrl); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 935 | gmch_ctrl |= I830_GMCH_ENABLED; |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 936 | pci_write_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, gmch_ctrl); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 937 | |
| 938 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
| 939 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ |
| 940 | |
| 941 | if (agp_bridge->driver->needs_scratch_page) { |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 942 | for (i = intel_private.base.gtt_stolen_entries; i < current_size->num_entries; i++) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 943 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
| 944 | } |
| 945 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ |
| 946 | } |
| 947 | |
| 948 | global_cache_flush(); |
| 949 | |
| 950 | intel_i830_setup_flush(); |
| 951 | return 0; |
| 952 | } |
| 953 | |
| 954 | static void intel_i830_cleanup(void) |
| 955 | { |
| 956 | iounmap(intel_private.registers); |
| 957 | } |
| 958 | |
| 959 | static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, |
| 960 | int type) |
| 961 | { |
| 962 | int i, j, num_entries; |
| 963 | void *temp; |
| 964 | int ret = -EINVAL; |
| 965 | int mask_type; |
| 966 | |
| 967 | if (mem->page_count == 0) |
| 968 | goto out; |
| 969 | |
| 970 | temp = agp_bridge->current_size; |
| 971 | num_entries = A_SIZE_FIX(temp)->num_entries; |
| 972 | |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 973 | if (pg_start < intel_private.base.gtt_stolen_entries) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 974 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 975 | "pg_start == 0x%.8lx, gtt_stolen_entries == 0x%.8x\n", |
| 976 | pg_start, intel_private.base.gtt_stolen_entries); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 977 | |
| 978 | dev_info(&intel_private.pcidev->dev, |
| 979 | "trying to insert into local/stolen memory\n"); |
| 980 | goto out_err; |
| 981 | } |
| 982 | |
| 983 | if ((pg_start + mem->page_count) > num_entries) |
| 984 | goto out_err; |
| 985 | |
| 986 | /* The i830 can't check the GTT for entries since its read only, |
| 987 | * depend on the caller to make the correct offset decisions. |
| 988 | */ |
| 989 | |
| 990 | if (type != mem->type) |
| 991 | goto out_err; |
| 992 | |
| 993 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); |
| 994 | |
| 995 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
| 996 | mask_type != INTEL_AGP_CACHED_MEMORY) |
| 997 | goto out_err; |
| 998 | |
| 999 | if (!mem->is_flushed) |
| 1000 | global_cache_flush(); |
| 1001 | |
| 1002 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { |
| 1003 | writel(agp_bridge->driver->mask_memory(agp_bridge, |
| 1004 | page_to_phys(mem->pages[i]), mask_type), |
| 1005 | intel_private.registers+I810_PTE_BASE+(j*4)); |
| 1006 | } |
| 1007 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1008 | |
| 1009 | out: |
| 1010 | ret = 0; |
| 1011 | out_err: |
| 1012 | mem->is_flushed = true; |
| 1013 | return ret; |
| 1014 | } |
| 1015 | |
| 1016 | static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, |
| 1017 | int type) |
| 1018 | { |
| 1019 | int i; |
| 1020 | |
| 1021 | if (mem->page_count == 0) |
| 1022 | return 0; |
| 1023 | |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 1024 | if (pg_start < intel_private.base.gtt_stolen_entries) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1025 | dev_info(&intel_private.pcidev->dev, |
| 1026 | "trying to disable local/stolen memory\n"); |
| 1027 | return -EINVAL; |
| 1028 | } |
| 1029 | |
| 1030 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { |
| 1031 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
| 1032 | } |
| 1033 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
| 1034 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1035 | return 0; |
| 1036 | } |
| 1037 | |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1038 | static struct agp_memory *intel_fake_agp_alloc_by_type(size_t pg_count, |
| 1039 | int type) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1040 | { |
| 1041 | if (type == AGP_PHYS_MEMORY) |
| 1042 | return alloc_agpphysmem_i8xx(pg_count, type); |
| 1043 | /* always return NULL for other allocation types for now */ |
| 1044 | return NULL; |
| 1045 | } |
| 1046 | |
| 1047 | static int intel_alloc_chipset_flush_resource(void) |
| 1048 | { |
| 1049 | int ret; |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1050 | ret = pci_bus_alloc_resource(intel_private.bridge_dev->bus, &intel_private.ifp_resource, PAGE_SIZE, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1051 | PAGE_SIZE, PCIBIOS_MIN_MEM, 0, |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1052 | pcibios_align_resource, intel_private.bridge_dev); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1053 | |
| 1054 | return ret; |
| 1055 | } |
| 1056 | |
| 1057 | static void intel_i915_setup_chipset_flush(void) |
| 1058 | { |
| 1059 | int ret; |
| 1060 | u32 temp; |
| 1061 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1062 | pci_read_config_dword(intel_private.bridge_dev, I915_IFPADDR, &temp); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1063 | if (!(temp & 0x1)) { |
| 1064 | intel_alloc_chipset_flush_resource(); |
| 1065 | intel_private.resource_valid = 1; |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1066 | pci_write_config_dword(intel_private.bridge_dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1067 | } else { |
| 1068 | temp &= ~1; |
| 1069 | |
| 1070 | intel_private.resource_valid = 1; |
| 1071 | intel_private.ifp_resource.start = temp; |
| 1072 | intel_private.ifp_resource.end = temp + PAGE_SIZE; |
| 1073 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); |
| 1074 | /* some BIOSes reserve this area in a pnp some don't */ |
| 1075 | if (ret) |
| 1076 | intel_private.resource_valid = 0; |
| 1077 | } |
| 1078 | } |
| 1079 | |
| 1080 | static void intel_i965_g33_setup_chipset_flush(void) |
| 1081 | { |
| 1082 | u32 temp_hi, temp_lo; |
| 1083 | int ret; |
| 1084 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1085 | pci_read_config_dword(intel_private.bridge_dev, I965_IFPADDR + 4, &temp_hi); |
| 1086 | pci_read_config_dword(intel_private.bridge_dev, I965_IFPADDR, &temp_lo); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1087 | |
| 1088 | if (!(temp_lo & 0x1)) { |
| 1089 | |
| 1090 | intel_alloc_chipset_flush_resource(); |
| 1091 | |
| 1092 | intel_private.resource_valid = 1; |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1093 | pci_write_config_dword(intel_private.bridge_dev, I965_IFPADDR + 4, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1094 | upper_32_bits(intel_private.ifp_resource.start)); |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1095 | pci_write_config_dword(intel_private.bridge_dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1096 | } else { |
| 1097 | u64 l64; |
| 1098 | |
| 1099 | temp_lo &= ~0x1; |
| 1100 | l64 = ((u64)temp_hi << 32) | temp_lo; |
| 1101 | |
| 1102 | intel_private.resource_valid = 1; |
| 1103 | intel_private.ifp_resource.start = l64; |
| 1104 | intel_private.ifp_resource.end = l64 + PAGE_SIZE; |
| 1105 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); |
| 1106 | /* some BIOSes reserve this area in a pnp some don't */ |
| 1107 | if (ret) |
| 1108 | intel_private.resource_valid = 0; |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | static void intel_i9xx_setup_flush(void) |
| 1113 | { |
| 1114 | /* return if already configured */ |
| 1115 | if (intel_private.ifp_resource.start) |
| 1116 | return; |
| 1117 | |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1118 | if (INTEL_GTT_GEN == 6) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1119 | return; |
| 1120 | |
| 1121 | /* setup a resource for this object */ |
| 1122 | intel_private.ifp_resource.name = "Intel Flush Page"; |
| 1123 | intel_private.ifp_resource.flags = IORESOURCE_MEM; |
| 1124 | |
| 1125 | /* Setup chipset flush for 915 */ |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1126 | if (IS_G33 || INTEL_GTT_GEN >= 4) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1127 | intel_i965_g33_setup_chipset_flush(); |
| 1128 | } else { |
| 1129 | intel_i915_setup_chipset_flush(); |
| 1130 | } |
| 1131 | |
Chris Wilson | df51e7a | 2010-09-04 14:57:27 +0100 | [diff] [blame] | 1132 | if (intel_private.ifp_resource.start) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1133 | intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); |
Chris Wilson | df51e7a | 2010-09-04 14:57:27 +0100 | [diff] [blame] | 1134 | if (!intel_private.i9xx_flush_page) |
| 1135 | dev_err(&intel_private.pcidev->dev, |
| 1136 | "can't ioremap flush page - no chipset flushing\n"); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1137 | } |
| 1138 | |
Chris Wilson | f1befe7 | 2010-05-18 12:24:51 +0100 | [diff] [blame] | 1139 | static int intel_i9xx_configure(void) |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1140 | { |
| 1141 | struct aper_size_info_fixed *current_size; |
| 1142 | u32 temp; |
| 1143 | u16 gmch_ctrl; |
| 1144 | int i; |
| 1145 | |
| 1146 | current_size = A_SIZE_FIX(agp_bridge->current_size); |
| 1147 | |
| 1148 | pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp); |
| 1149 | |
| 1150 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
| 1151 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1152 | pci_read_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, &gmch_ctrl); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1153 | gmch_ctrl |= I830_GMCH_ENABLED; |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1154 | pci_write_config_word(intel_private.bridge_dev, I830_GMCH_CTRL, gmch_ctrl); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1155 | |
| 1156 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
| 1157 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ |
| 1158 | |
| 1159 | if (agp_bridge->driver->needs_scratch_page) { |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 1160 | for (i = intel_private.base.gtt_stolen_entries; i < |
| 1161 | intel_private.base.gtt_total_entries; i++) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1162 | writel(agp_bridge->scratch_page, intel_private.gtt+i); |
| 1163 | } |
| 1164 | readl(intel_private.gtt+i-1); /* PCI Posting. */ |
| 1165 | } |
| 1166 | |
| 1167 | global_cache_flush(); |
| 1168 | |
| 1169 | intel_i9xx_setup_flush(); |
| 1170 | |
| 1171 | return 0; |
| 1172 | } |
| 1173 | |
| 1174 | static void intel_i915_cleanup(void) |
| 1175 | { |
| 1176 | if (intel_private.i9xx_flush_page) |
| 1177 | iounmap(intel_private.i9xx_flush_page); |
| 1178 | if (intel_private.resource_valid) |
| 1179 | release_resource(&intel_private.ifp_resource); |
| 1180 | intel_private.ifp_resource.start = 0; |
| 1181 | intel_private.resource_valid = 0; |
| 1182 | iounmap(intel_private.gtt); |
| 1183 | iounmap(intel_private.registers); |
| 1184 | } |
| 1185 | |
| 1186 | static void intel_i915_chipset_flush(struct agp_bridge_data *bridge) |
| 1187 | { |
| 1188 | if (intel_private.i9xx_flush_page) |
| 1189 | writel(1, intel_private.i9xx_flush_page); |
| 1190 | } |
| 1191 | |
| 1192 | static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start, |
| 1193 | int type) |
| 1194 | { |
| 1195 | int num_entries; |
| 1196 | void *temp; |
| 1197 | int ret = -EINVAL; |
| 1198 | int mask_type; |
| 1199 | |
| 1200 | if (mem->page_count == 0) |
| 1201 | goto out; |
| 1202 | |
| 1203 | temp = agp_bridge->current_size; |
| 1204 | num_entries = A_SIZE_FIX(temp)->num_entries; |
| 1205 | |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 1206 | if (pg_start < intel_private.base.gtt_stolen_entries) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1207 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 1208 | "pg_start == 0x%.8lx, gtt_stolen_entries == 0x%.8x\n", |
| 1209 | pg_start, intel_private.base.gtt_stolen_entries); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1210 | |
| 1211 | dev_info(&intel_private.pcidev->dev, |
| 1212 | "trying to insert into local/stolen memory\n"); |
| 1213 | goto out_err; |
| 1214 | } |
| 1215 | |
| 1216 | if ((pg_start + mem->page_count) > num_entries) |
| 1217 | goto out_err; |
| 1218 | |
| 1219 | /* The i915 can't check the GTT for entries since it's read only; |
| 1220 | * depend on the caller to make the correct offset decisions. |
| 1221 | */ |
| 1222 | |
| 1223 | if (type != mem->type) |
| 1224 | goto out_err; |
| 1225 | |
| 1226 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); |
| 1227 | |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1228 | if (INTEL_GTT_GEN != 6 && mask_type != 0 && |
| 1229 | mask_type != AGP_PHYS_MEMORY && |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1230 | mask_type != INTEL_AGP_CACHED_MEMORY) |
| 1231 | goto out_err; |
| 1232 | |
| 1233 | if (!mem->is_flushed) |
| 1234 | global_cache_flush(); |
| 1235 | |
| 1236 | intel_agp_insert_sg_entries(mem, pg_start, mask_type); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1237 | |
| 1238 | out: |
| 1239 | ret = 0; |
| 1240 | out_err: |
| 1241 | mem->is_flushed = true; |
| 1242 | return ret; |
| 1243 | } |
| 1244 | |
| 1245 | static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, |
| 1246 | int type) |
| 1247 | { |
| 1248 | int i; |
| 1249 | |
| 1250 | if (mem->page_count == 0) |
| 1251 | return 0; |
| 1252 | |
Daniel Vetter | 0ade638 | 2010-08-24 22:18:41 +0200 | [diff] [blame] | 1253 | if (pg_start < intel_private.base.gtt_stolen_entries) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1254 | dev_info(&intel_private.pcidev->dev, |
| 1255 | "trying to disable local/stolen memory\n"); |
| 1256 | return -EINVAL; |
| 1257 | } |
| 1258 | |
| 1259 | for (i = pg_start; i < (mem->page_count + pg_start); i++) |
| 1260 | writel(agp_bridge->scratch_page, intel_private.gtt+i); |
| 1261 | |
| 1262 | readl(intel_private.gtt+i-1); |
| 1263 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1264 | return 0; |
| 1265 | } |
| 1266 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1267 | /* The intel i915 automatically initializes the agp aperture during POST. |
| 1268 | * Use the memory already set aside for in the GTT. |
| 1269 | */ |
| 1270 | static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) |
| 1271 | { |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1272 | int page_order, ret; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1273 | struct aper_size_info_fixed *size; |
| 1274 | int num_entries; |
| 1275 | u32 temp, temp2; |
Chris Wilson | f1befe7 | 2010-05-18 12:24:51 +0100 | [diff] [blame] | 1276 | int gtt_map_size; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1277 | |
| 1278 | size = agp_bridge->current_size; |
| 1279 | page_order = size->page_order; |
| 1280 | num_entries = size->num_entries; |
| 1281 | agp_bridge->gatt_table_real = NULL; |
| 1282 | |
| 1283 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
| 1284 | pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2); |
| 1285 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1286 | temp &= 0xfff80000; |
| 1287 | |
| 1288 | intel_private.registers = ioremap(temp, 128 * 4096); |
Daniel Vetter | ccc4e67 | 2010-09-08 21:20:12 +0200 | [diff] [blame] | 1289 | if (!intel_private.registers) |
| 1290 | return -ENOMEM; |
| 1291 | |
| 1292 | intel_private.base.gtt_total_entries = intel_gtt_total_entries(); |
| 1293 | gtt_map_size = intel_private.base.gtt_total_entries * 4; |
| 1294 | |
| 1295 | intel_private.gtt = ioremap(temp2, gtt_map_size); |
| 1296 | if (!intel_private.gtt) { |
| 1297 | iounmap(intel_private.registers); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1298 | return -ENOMEM; |
| 1299 | } |
| 1300 | |
| 1301 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
| 1302 | global_cache_flush(); /* FIXME: ? */ |
| 1303 | |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1304 | ret = intel_gtt_init(); |
| 1305 | if (ret != 0) { |
Ondrej Zary | 8699be3 | 2010-06-16 10:13:52 +0200 | [diff] [blame] | 1306 | iounmap(intel_private.gtt); |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1307 | return ret; |
Ondrej Zary | 8699be3 | 2010-06-16 10:13:52 +0200 | [diff] [blame] | 1308 | } |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1309 | |
| 1310 | agp_bridge->gatt_table = NULL; |
| 1311 | |
| 1312 | agp_bridge->gatt_bus_addr = temp; |
| 1313 | |
| 1314 | return 0; |
| 1315 | } |
| 1316 | |
| 1317 | /* |
| 1318 | * The i965 supports 36-bit physical addresses, but to keep |
| 1319 | * the format of the GTT the same, the bits that don't fit |
| 1320 | * in a 32-bit word are shifted down to bits 4..7. |
| 1321 | * |
| 1322 | * Gcc is smart enough to notice that "(addr >> 28) & 0xf0" |
| 1323 | * is always zero on 32-bit architectures, so no need to make |
| 1324 | * this conditional. |
| 1325 | */ |
| 1326 | static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, |
| 1327 | dma_addr_t addr, int type) |
| 1328 | { |
| 1329 | /* Shift high bits down */ |
| 1330 | addr |= (addr >> 28) & 0xf0; |
| 1331 | |
| 1332 | /* Type checking must be done elsewhere */ |
| 1333 | return addr | bridge->driver->masks[type].mask; |
| 1334 | } |
| 1335 | |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1336 | static unsigned long intel_gen6_mask_memory(struct agp_bridge_data *bridge, |
| 1337 | dma_addr_t addr, int type) |
| 1338 | { |
Zhenyu Wang | 8dfc2b1 | 2010-08-23 14:37:52 +0800 | [diff] [blame] | 1339 | /* gen6 has bit11-4 for physical addr bit39-32 */ |
| 1340 | addr |= (addr >> 28) & 0xff0; |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1341 | |
| 1342 | /* Type checking must be done elsewhere */ |
| 1343 | return addr | bridge->driver->masks[type].mask; |
| 1344 | } |
| 1345 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1346 | static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) |
| 1347 | { |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 1348 | switch (INTEL_GTT_GEN) { |
| 1349 | case 5: |
| 1350 | case 6: |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1351 | *gtt_offset = MB(2); |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1352 | break; |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 1353 | case 4: |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1354 | default: |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 1355 | *gtt_offset = KB(512); |
| 1356 | break; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1357 | } |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 1358 | |
| 1359 | *gtt_size = intel_private.base.gtt_total_entries * 4; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1360 | } |
| 1361 | |
| 1362 | /* The intel i965 automatically initializes the agp aperture during POST. |
| 1363 | * Use the memory already set aside for in the GTT. |
| 1364 | */ |
| 1365 | static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) |
| 1366 | { |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1367 | int page_order, ret; |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1368 | struct aper_size_info_fixed *size; |
| 1369 | int num_entries; |
| 1370 | u32 temp; |
| 1371 | int gtt_offset, gtt_size; |
| 1372 | |
| 1373 | size = agp_bridge->current_size; |
| 1374 | page_order = size->page_order; |
| 1375 | num_entries = size->num_entries; |
| 1376 | agp_bridge->gatt_table_real = NULL; |
| 1377 | |
| 1378 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
| 1379 | |
| 1380 | temp &= 0xfff00000; |
| 1381 | |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 1382 | intel_private.registers = ioremap(temp, 128 * 4096); |
| 1383 | if (!intel_private.registers) |
| 1384 | return -ENOMEM; |
| 1385 | |
| 1386 | intel_private.base.gtt_total_entries = intel_gtt_total_entries(); |
| 1387 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1388 | intel_i965_get_gtt_range(>t_offset, >t_size); |
| 1389 | |
| 1390 | intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size); |
| 1391 | |
Daniel Vetter | 210b23c | 2010-08-28 16:14:32 +0200 | [diff] [blame^] | 1392 | if (!intel_private.gtt) { |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1393 | iounmap(intel_private.gtt); |
| 1394 | return -ENOMEM; |
| 1395 | } |
| 1396 | |
| 1397 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
| 1398 | global_cache_flush(); /* FIXME: ? */ |
| 1399 | |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1400 | ret = intel_gtt_init(); |
| 1401 | if (ret != 0) { |
Ondrej Zary | 8699be3 | 2010-06-16 10:13:52 +0200 | [diff] [blame] | 1402 | iounmap(intel_private.gtt); |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1403 | return ret; |
Ondrej Zary | 8699be3 | 2010-06-16 10:13:52 +0200 | [diff] [blame] | 1404 | } |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1405 | |
| 1406 | agp_bridge->gatt_table = NULL; |
| 1407 | |
| 1408 | agp_bridge->gatt_bus_addr = temp; |
| 1409 | |
| 1410 | return 0; |
| 1411 | } |
| 1412 | |
| 1413 | static const struct agp_bridge_driver intel_810_driver = { |
| 1414 | .owner = THIS_MODULE, |
| 1415 | .aperture_sizes = intel_i810_sizes, |
| 1416 | .size_type = FIXED_APER_SIZE, |
| 1417 | .num_aperture_sizes = 2, |
| 1418 | .needs_scratch_page = true, |
| 1419 | .configure = intel_i810_configure, |
| 1420 | .fetch_size = intel_i810_fetch_size, |
| 1421 | .cleanup = intel_i810_cleanup, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1422 | .mask_memory = intel_i810_mask_memory, |
| 1423 | .masks = intel_i810_masks, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1424 | .agp_enable = intel_fake_agp_enable, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1425 | .cache_flush = global_cache_flush, |
| 1426 | .create_gatt_table = agp_generic_create_gatt_table, |
| 1427 | .free_gatt_table = agp_generic_free_gatt_table, |
| 1428 | .insert_memory = intel_i810_insert_entries, |
| 1429 | .remove_memory = intel_i810_remove_entries, |
| 1430 | .alloc_by_type = intel_i810_alloc_by_type, |
| 1431 | .free_by_type = intel_i810_free_by_type, |
| 1432 | .agp_alloc_page = agp_generic_alloc_page, |
| 1433 | .agp_alloc_pages = agp_generic_alloc_pages, |
| 1434 | .agp_destroy_page = agp_generic_destroy_page, |
| 1435 | .agp_destroy_pages = agp_generic_destroy_pages, |
| 1436 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
| 1437 | }; |
| 1438 | |
| 1439 | static const struct agp_bridge_driver intel_830_driver = { |
| 1440 | .owner = THIS_MODULE, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1441 | .aperture_sizes = intel_fake_agp_sizes, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1442 | .size_type = FIXED_APER_SIZE, |
| 1443 | .num_aperture_sizes = 4, |
| 1444 | .needs_scratch_page = true, |
| 1445 | .configure = intel_i830_configure, |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 1446 | .fetch_size = intel_fake_agp_fetch_size, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1447 | .cleanup = intel_i830_cleanup, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1448 | .mask_memory = intel_i810_mask_memory, |
| 1449 | .masks = intel_i810_masks, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1450 | .agp_enable = intel_fake_agp_enable, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1451 | .cache_flush = global_cache_flush, |
| 1452 | .create_gatt_table = intel_i830_create_gatt_table, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1453 | .free_gatt_table = intel_fake_agp_free_gatt_table, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1454 | .insert_memory = intel_i830_insert_entries, |
| 1455 | .remove_memory = intel_i830_remove_entries, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1456 | .alloc_by_type = intel_fake_agp_alloc_by_type, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1457 | .free_by_type = intel_i810_free_by_type, |
| 1458 | .agp_alloc_page = agp_generic_alloc_page, |
| 1459 | .agp_alloc_pages = agp_generic_alloc_pages, |
| 1460 | .agp_destroy_page = agp_generic_destroy_page, |
| 1461 | .agp_destroy_pages = agp_generic_destroy_pages, |
| 1462 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
| 1463 | .chipset_flush = intel_i830_chipset_flush, |
| 1464 | }; |
| 1465 | |
| 1466 | static const struct agp_bridge_driver intel_915_driver = { |
| 1467 | .owner = THIS_MODULE, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1468 | .aperture_sizes = intel_fake_agp_sizes, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1469 | .size_type = FIXED_APER_SIZE, |
| 1470 | .num_aperture_sizes = 4, |
| 1471 | .needs_scratch_page = true, |
Chris Wilson | f1befe7 | 2010-05-18 12:24:51 +0100 | [diff] [blame] | 1472 | .configure = intel_i9xx_configure, |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 1473 | .fetch_size = intel_fake_agp_fetch_size, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1474 | .cleanup = intel_i915_cleanup, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1475 | .mask_memory = intel_i810_mask_memory, |
| 1476 | .masks = intel_i810_masks, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1477 | .agp_enable = intel_fake_agp_enable, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1478 | .cache_flush = global_cache_flush, |
| 1479 | .create_gatt_table = intel_i915_create_gatt_table, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1480 | .free_gatt_table = intel_fake_agp_free_gatt_table, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1481 | .insert_memory = intel_i915_insert_entries, |
| 1482 | .remove_memory = intel_i915_remove_entries, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1483 | .alloc_by_type = intel_fake_agp_alloc_by_type, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1484 | .free_by_type = intel_i810_free_by_type, |
| 1485 | .agp_alloc_page = agp_generic_alloc_page, |
| 1486 | .agp_alloc_pages = agp_generic_alloc_pages, |
| 1487 | .agp_destroy_page = agp_generic_destroy_page, |
| 1488 | .agp_destroy_pages = agp_generic_destroy_pages, |
| 1489 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
| 1490 | .chipset_flush = intel_i915_chipset_flush, |
| 1491 | #ifdef USE_PCI_DMA_API |
| 1492 | .agp_map_page = intel_agp_map_page, |
| 1493 | .agp_unmap_page = intel_agp_unmap_page, |
| 1494 | .agp_map_memory = intel_agp_map_memory, |
| 1495 | .agp_unmap_memory = intel_agp_unmap_memory, |
| 1496 | #endif |
| 1497 | }; |
| 1498 | |
| 1499 | static const struct agp_bridge_driver intel_i965_driver = { |
| 1500 | .owner = THIS_MODULE, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1501 | .aperture_sizes = intel_fake_agp_sizes, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1502 | .size_type = FIXED_APER_SIZE, |
| 1503 | .num_aperture_sizes = 4, |
| 1504 | .needs_scratch_page = true, |
Chris Wilson | f1befe7 | 2010-05-18 12:24:51 +0100 | [diff] [blame] | 1505 | .configure = intel_i9xx_configure, |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 1506 | .fetch_size = intel_fake_agp_fetch_size, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1507 | .cleanup = intel_i915_cleanup, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1508 | .mask_memory = intel_i965_mask_memory, |
| 1509 | .masks = intel_i810_masks, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1510 | .agp_enable = intel_fake_agp_enable, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1511 | .cache_flush = global_cache_flush, |
| 1512 | .create_gatt_table = intel_i965_create_gatt_table, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1513 | .free_gatt_table = intel_fake_agp_free_gatt_table, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1514 | .insert_memory = intel_i915_insert_entries, |
| 1515 | .remove_memory = intel_i915_remove_entries, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1516 | .alloc_by_type = intel_fake_agp_alloc_by_type, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1517 | .free_by_type = intel_i810_free_by_type, |
| 1518 | .agp_alloc_page = agp_generic_alloc_page, |
| 1519 | .agp_alloc_pages = agp_generic_alloc_pages, |
| 1520 | .agp_destroy_page = agp_generic_destroy_page, |
| 1521 | .agp_destroy_pages = agp_generic_destroy_pages, |
| 1522 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
| 1523 | .chipset_flush = intel_i915_chipset_flush, |
| 1524 | #ifdef USE_PCI_DMA_API |
| 1525 | .agp_map_page = intel_agp_map_page, |
| 1526 | .agp_unmap_page = intel_agp_unmap_page, |
| 1527 | .agp_map_memory = intel_agp_map_memory, |
| 1528 | .agp_unmap_memory = intel_agp_unmap_memory, |
| 1529 | #endif |
| 1530 | }; |
| 1531 | |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1532 | static const struct agp_bridge_driver intel_gen6_driver = { |
| 1533 | .owner = THIS_MODULE, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1534 | .aperture_sizes = intel_fake_agp_sizes, |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1535 | .size_type = FIXED_APER_SIZE, |
| 1536 | .num_aperture_sizes = 4, |
| 1537 | .needs_scratch_page = true, |
| 1538 | .configure = intel_i9xx_configure, |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 1539 | .fetch_size = intel_fake_agp_fetch_size, |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1540 | .cleanup = intel_i915_cleanup, |
| 1541 | .mask_memory = intel_gen6_mask_memory, |
Zhenyu Wang | f8f235e | 2010-08-27 11:08:57 +0800 | [diff] [blame] | 1542 | .masks = intel_gen6_masks, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1543 | .agp_enable = intel_fake_agp_enable, |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1544 | .cache_flush = global_cache_flush, |
| 1545 | .create_gatt_table = intel_i965_create_gatt_table, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1546 | .free_gatt_table = intel_fake_agp_free_gatt_table, |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1547 | .insert_memory = intel_i915_insert_entries, |
| 1548 | .remove_memory = intel_i915_remove_entries, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1549 | .alloc_by_type = intel_fake_agp_alloc_by_type, |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1550 | .free_by_type = intel_i810_free_by_type, |
| 1551 | .agp_alloc_page = agp_generic_alloc_page, |
| 1552 | .agp_alloc_pages = agp_generic_alloc_pages, |
| 1553 | .agp_destroy_page = agp_generic_destroy_page, |
| 1554 | .agp_destroy_pages = agp_generic_destroy_pages, |
Zhenyu Wang | f8f235e | 2010-08-27 11:08:57 +0800 | [diff] [blame] | 1555 | .agp_type_to_mask_type = intel_gen6_type_to_mask_type, |
Zhenyu Wang | 3869d4a | 2010-07-09 10:40:58 -0700 | [diff] [blame] | 1556 | .chipset_flush = intel_i915_chipset_flush, |
| 1557 | #ifdef USE_PCI_DMA_API |
| 1558 | .agp_map_page = intel_agp_map_page, |
| 1559 | .agp_unmap_page = intel_agp_unmap_page, |
| 1560 | .agp_map_memory = intel_agp_map_memory, |
| 1561 | .agp_unmap_memory = intel_agp_unmap_memory, |
| 1562 | #endif |
| 1563 | }; |
| 1564 | |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1565 | static const struct agp_bridge_driver intel_g33_driver = { |
| 1566 | .owner = THIS_MODULE, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1567 | .aperture_sizes = intel_fake_agp_sizes, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1568 | .size_type = FIXED_APER_SIZE, |
| 1569 | .num_aperture_sizes = 4, |
| 1570 | .needs_scratch_page = true, |
Chris Wilson | f1befe7 | 2010-05-18 12:24:51 +0100 | [diff] [blame] | 1571 | .configure = intel_i9xx_configure, |
Daniel Vetter | 3e921f9 | 2010-08-27 15:33:26 +0200 | [diff] [blame] | 1572 | .fetch_size = intel_fake_agp_fetch_size, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1573 | .cleanup = intel_i915_cleanup, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1574 | .mask_memory = intel_i965_mask_memory, |
| 1575 | .masks = intel_i810_masks, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1576 | .agp_enable = intel_fake_agp_enable, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1577 | .cache_flush = global_cache_flush, |
| 1578 | .create_gatt_table = intel_i915_create_gatt_table, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1579 | .free_gatt_table = intel_fake_agp_free_gatt_table, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1580 | .insert_memory = intel_i915_insert_entries, |
| 1581 | .remove_memory = intel_i915_remove_entries, |
Daniel Vetter | ffdd751 | 2010-08-27 17:51:29 +0200 | [diff] [blame] | 1582 | .alloc_by_type = intel_fake_agp_alloc_by_type, |
Daniel Vetter | f51b766 | 2010-04-14 00:29:52 +0200 | [diff] [blame] | 1583 | .free_by_type = intel_i810_free_by_type, |
| 1584 | .agp_alloc_page = agp_generic_alloc_page, |
| 1585 | .agp_alloc_pages = agp_generic_alloc_pages, |
| 1586 | .agp_destroy_page = agp_generic_destroy_page, |
| 1587 | .agp_destroy_pages = agp_generic_destroy_pages, |
| 1588 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
| 1589 | .chipset_flush = intel_i915_chipset_flush, |
| 1590 | #ifdef USE_PCI_DMA_API |
| 1591 | .agp_map_page = intel_agp_map_page, |
| 1592 | .agp_unmap_page = intel_agp_unmap_page, |
| 1593 | .agp_map_memory = intel_agp_map_memory, |
| 1594 | .agp_unmap_memory = intel_agp_unmap_memory, |
| 1595 | #endif |
| 1596 | }; |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1597 | |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1598 | static const struct intel_gtt_driver i8xx_gtt_driver = { |
| 1599 | .gen = 2, |
| 1600 | }; |
| 1601 | static const struct intel_gtt_driver i915_gtt_driver = { |
| 1602 | .gen = 3, |
| 1603 | }; |
| 1604 | static const struct intel_gtt_driver g33_gtt_driver = { |
| 1605 | .gen = 3, |
| 1606 | .is_g33 = 1, |
| 1607 | }; |
| 1608 | static const struct intel_gtt_driver pineview_gtt_driver = { |
| 1609 | .gen = 3, |
| 1610 | .is_pineview = 1, .is_g33 = 1, |
| 1611 | }; |
| 1612 | static const struct intel_gtt_driver i965_gtt_driver = { |
| 1613 | .gen = 4, |
| 1614 | }; |
| 1615 | static const struct intel_gtt_driver g4x_gtt_driver = { |
| 1616 | .gen = 5, |
| 1617 | }; |
| 1618 | static const struct intel_gtt_driver ironlake_gtt_driver = { |
| 1619 | .gen = 5, |
| 1620 | .is_ironlake = 1, |
| 1621 | }; |
| 1622 | static const struct intel_gtt_driver sandybridge_gtt_driver = { |
| 1623 | .gen = 6, |
| 1624 | }; |
| 1625 | |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1626 | /* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of |
| 1627 | * driver and gmch_driver must be non-null, and find_gmch will determine |
| 1628 | * which one should be used if a gmch_chip_id is present. |
| 1629 | */ |
| 1630 | static const struct intel_gtt_driver_description { |
| 1631 | unsigned int gmch_chip_id; |
| 1632 | char *name; |
| 1633 | const struct agp_bridge_driver *gmch_driver; |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1634 | const struct intel_gtt_driver *gtt_driver; |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1635 | } intel_gtt_chipsets[] = { |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1636 | { PCI_DEVICE_ID_INTEL_82810_IG1, "i810", &intel_810_driver , NULL}, |
| 1637 | { PCI_DEVICE_ID_INTEL_82810_IG3, "i810", &intel_810_driver , NULL}, |
| 1638 | { PCI_DEVICE_ID_INTEL_82810E_IG, "i810", &intel_810_driver , NULL}, |
| 1639 | { PCI_DEVICE_ID_INTEL_82815_CGC, "i815", &intel_810_driver , NULL}, |
| 1640 | { PCI_DEVICE_ID_INTEL_82830_CGC, "830M", |
| 1641 | &intel_830_driver , &i8xx_gtt_driver}, |
| 1642 | { PCI_DEVICE_ID_INTEL_82845G_IG, "830M", |
| 1643 | &intel_830_driver , &i8xx_gtt_driver}, |
| 1644 | { PCI_DEVICE_ID_INTEL_82854_IG, "854", |
| 1645 | &intel_830_driver , &i8xx_gtt_driver}, |
| 1646 | { PCI_DEVICE_ID_INTEL_82855GM_IG, "855GM", |
| 1647 | &intel_830_driver , &i8xx_gtt_driver}, |
| 1648 | { PCI_DEVICE_ID_INTEL_82865_IG, "865", |
| 1649 | &intel_830_driver , &i8xx_gtt_driver}, |
| 1650 | { PCI_DEVICE_ID_INTEL_E7221_IG, "E7221 (i915)", |
| 1651 | &intel_915_driver , &i915_gtt_driver }, |
| 1652 | { PCI_DEVICE_ID_INTEL_82915G_IG, "915G", |
| 1653 | &intel_915_driver , &i915_gtt_driver }, |
| 1654 | { PCI_DEVICE_ID_INTEL_82915GM_IG, "915GM", |
| 1655 | &intel_915_driver , &i915_gtt_driver }, |
| 1656 | { PCI_DEVICE_ID_INTEL_82945G_IG, "945G", |
| 1657 | &intel_915_driver , &i915_gtt_driver }, |
| 1658 | { PCI_DEVICE_ID_INTEL_82945GM_IG, "945GM", |
| 1659 | &intel_915_driver , &i915_gtt_driver }, |
| 1660 | { PCI_DEVICE_ID_INTEL_82945GME_IG, "945GME", |
| 1661 | &intel_915_driver , &i915_gtt_driver }, |
| 1662 | { PCI_DEVICE_ID_INTEL_82946GZ_IG, "946GZ", |
| 1663 | &intel_i965_driver , &i965_gtt_driver }, |
| 1664 | { PCI_DEVICE_ID_INTEL_82G35_IG, "G35", |
| 1665 | &intel_i965_driver , &i965_gtt_driver }, |
| 1666 | { PCI_DEVICE_ID_INTEL_82965Q_IG, "965Q", |
| 1667 | &intel_i965_driver , &i965_gtt_driver }, |
| 1668 | { PCI_DEVICE_ID_INTEL_82965G_IG, "965G", |
| 1669 | &intel_i965_driver , &i965_gtt_driver }, |
| 1670 | { PCI_DEVICE_ID_INTEL_82965GM_IG, "965GM", |
| 1671 | &intel_i965_driver , &i965_gtt_driver }, |
| 1672 | { PCI_DEVICE_ID_INTEL_82965GME_IG, "965GME/GLE", |
| 1673 | &intel_i965_driver , &i965_gtt_driver }, |
| 1674 | { PCI_DEVICE_ID_INTEL_G33_IG, "G33", |
| 1675 | &intel_g33_driver , &g33_gtt_driver }, |
| 1676 | { PCI_DEVICE_ID_INTEL_Q35_IG, "Q35", |
| 1677 | &intel_g33_driver , &g33_gtt_driver }, |
| 1678 | { PCI_DEVICE_ID_INTEL_Q33_IG, "Q33", |
| 1679 | &intel_g33_driver , &g33_gtt_driver }, |
| 1680 | { PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, "GMA3150", |
| 1681 | &intel_g33_driver , &pineview_gtt_driver }, |
| 1682 | { PCI_DEVICE_ID_INTEL_PINEVIEW_IG, "GMA3150", |
| 1683 | &intel_g33_driver , &pineview_gtt_driver }, |
| 1684 | { PCI_DEVICE_ID_INTEL_GM45_IG, "GM45", |
| 1685 | &intel_i965_driver , &g4x_gtt_driver }, |
| 1686 | { PCI_DEVICE_ID_INTEL_EAGLELAKE_IG, "Eaglelake", |
| 1687 | &intel_i965_driver , &g4x_gtt_driver }, |
| 1688 | { PCI_DEVICE_ID_INTEL_Q45_IG, "Q45/Q43", |
| 1689 | &intel_i965_driver , &g4x_gtt_driver }, |
| 1690 | { PCI_DEVICE_ID_INTEL_G45_IG, "G45/G43", |
| 1691 | &intel_i965_driver , &g4x_gtt_driver }, |
| 1692 | { PCI_DEVICE_ID_INTEL_B43_IG, "B43", |
| 1693 | &intel_i965_driver , &g4x_gtt_driver }, |
| 1694 | { PCI_DEVICE_ID_INTEL_G41_IG, "G41", |
| 1695 | &intel_i965_driver , &g4x_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1696 | { PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1697 | "HD Graphics", &intel_i965_driver , &ironlake_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1698 | { PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1699 | "HD Graphics", &intel_i965_driver , &ironlake_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1700 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT1_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1701 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1702 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1703 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1704 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_PLUS_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1705 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1706 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT1_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1707 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1708 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1709 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1710 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_PLUS_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1711 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1712 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG, |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1713 | "Sandybridge", &intel_gen6_driver , &sandybridge_gtt_driver }, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1714 | { 0, NULL, NULL } |
| 1715 | }; |
| 1716 | |
| 1717 | static int find_gmch(u16 device) |
| 1718 | { |
| 1719 | struct pci_dev *gmch_device; |
| 1720 | |
| 1721 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); |
| 1722 | if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) { |
| 1723 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, |
| 1724 | device, gmch_device); |
| 1725 | } |
| 1726 | |
| 1727 | if (!gmch_device) |
| 1728 | return 0; |
| 1729 | |
| 1730 | intel_private.pcidev = gmch_device; |
| 1731 | return 1; |
| 1732 | } |
| 1733 | |
Daniel Vetter | e2404e7 | 2010-09-08 17:29:51 +0200 | [diff] [blame] | 1734 | int intel_gmch_probe(struct pci_dev *pdev, |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1735 | struct agp_bridge_data *bridge) |
| 1736 | { |
| 1737 | int i, mask; |
| 1738 | bridge->driver = NULL; |
| 1739 | |
| 1740 | for (i = 0; intel_gtt_chipsets[i].name != NULL; i++) { |
| 1741 | if (find_gmch(intel_gtt_chipsets[i].gmch_chip_id)) { |
| 1742 | bridge->driver = |
| 1743 | intel_gtt_chipsets[i].gmch_driver; |
Daniel Vetter | 1a997ff | 2010-09-08 21:18:53 +0200 | [diff] [blame] | 1744 | intel_private.driver = |
| 1745 | intel_gtt_chipsets[i].gtt_driver; |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1746 | break; |
| 1747 | } |
| 1748 | } |
| 1749 | |
| 1750 | if (!bridge->driver) |
| 1751 | return 0; |
| 1752 | |
| 1753 | bridge->dev_private_data = &intel_private; |
| 1754 | bridge->dev = pdev; |
| 1755 | |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1756 | intel_private.bridge_dev = pci_dev_get(pdev); |
| 1757 | |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1758 | dev_info(&pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name); |
| 1759 | |
| 1760 | if (bridge->driver->mask_memory == intel_gen6_mask_memory) |
| 1761 | mask = 40; |
| 1762 | else if (bridge->driver->mask_memory == intel_i965_mask_memory) |
| 1763 | mask = 36; |
| 1764 | else |
| 1765 | mask = 32; |
| 1766 | |
| 1767 | if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask))) |
| 1768 | dev_err(&intel_private.pcidev->dev, |
| 1769 | "set gfx device dma mask %d-bit failed!\n", mask); |
| 1770 | else |
| 1771 | pci_set_consistent_dma_mask(intel_private.pcidev, |
| 1772 | DMA_BIT_MASK(mask)); |
| 1773 | |
Daniel Vetter | 1784a5f | 2010-09-08 21:01:04 +0200 | [diff] [blame] | 1774 | if (bridge->driver == &intel_810_driver) |
| 1775 | return 1; |
| 1776 | |
| 1777 | intel_private.base.gtt_mappable_entries = intel_gtt_mappable_entries(); |
| 1778 | |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1779 | return 1; |
| 1780 | } |
Daniel Vetter | e2404e7 | 2010-09-08 17:29:51 +0200 | [diff] [blame] | 1781 | EXPORT_SYMBOL(intel_gmch_probe); |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1782 | |
Daniel Vetter | e2404e7 | 2010-09-08 17:29:51 +0200 | [diff] [blame] | 1783 | void intel_gmch_remove(struct pci_dev *pdev) |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1784 | { |
| 1785 | if (intel_private.pcidev) |
| 1786 | pci_dev_put(intel_private.pcidev); |
Daniel Vetter | d7cca2f | 2010-08-24 23:06:19 +0200 | [diff] [blame] | 1787 | if (intel_private.bridge_dev) |
| 1788 | pci_dev_put(intel_private.bridge_dev); |
Daniel Vetter | 02c026c | 2010-08-24 19:39:48 +0200 | [diff] [blame] | 1789 | } |
Daniel Vetter | e2404e7 | 2010-09-08 17:29:51 +0200 | [diff] [blame] | 1790 | EXPORT_SYMBOL(intel_gmch_remove); |
| 1791 | |
| 1792 | MODULE_AUTHOR("Dave Jones <davej@redhat.com>"); |
| 1793 | MODULE_LICENSE("GPL and additional rights"); |