/* * Intel AGPGART routines. */ #include #include #include #include #include #include #include "agp.h" #define PCI_DEVICE_ID_INTEL_E7221_HB 0x2588 #define PCI_DEVICE_ID_INTEL_E7221_IG 0x258a #define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970 #define PCI_DEVICE_ID_INTEL_82946GZ_IG 0x2972 #define PCI_DEVICE_ID_INTEL_82G35_HB 0x2980 #define PCI_DEVICE_ID_INTEL_82G35_IG 0x2982 #define PCI_DEVICE_ID_INTEL_82965Q_HB 0x2990 #define PCI_DEVICE_ID_INTEL_82965Q_IG 0x2992 #define PCI_DEVICE_ID_INTEL_82965G_HB 0x29A0 #define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2 #define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00 #define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02 #define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10 #define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12 #define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC #define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE #define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0 #define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2 #define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0 #define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 #define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 #define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 #define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40 #define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42 #define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00 #define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02 #define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10 #define PCI_DEVICE_ID_INTEL_Q45_IG 0x2E12 #define PCI_DEVICE_ID_INTEL_G45_HB 0x2E20 #define PCI_DEVICE_ID_INTEL_G45_IG 0x2E22 /* cover 915 and 945 variants */ #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB) #define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB) #define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB) #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_E_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB) extern int agp_memory_reserved; /* Intel 815 register */ #define INTEL_815_APCONT 0x51 #define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF /* Intel i820 registers */ #define INTEL_I820_RDCR 0x51 #define INTEL_I820_ERRSTS 0xc8 /* Intel i840 registers */ #define INTEL_I840_MCHCFG 0x50 #define INTEL_I840_ERRSTS 0xc8 /* Intel i850 registers */ #define INTEL_I850_MCHCFG 0x50 #define INTEL_I850_ERRSTS 0xc8 /* intel 915G registers */ #define I915_GMADDR 0x18 #define I915_MMADDR 0x10 #define I915_PTEADDR 0x1C #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) #define I915_IFPADDR 0x60 /* Intel 965G registers */ #define I965_MSAC 0x62 #define I965_IFPADDR 0x70 /* Intel 7505 registers */ #define INTEL_I7505_APSIZE 0x74 #define INTEL_I7505_NCAPID 0x60 #define INTEL_I7505_NISTAT 0x6c #define INTEL_I7505_ATTBASE 0x78 #define INTEL_I7505_ERRSTS 0x42 #define INTEL_I7505_AGPCTRL 0x70 #define INTEL_I7505_MCHCFG 0x50 static const struct aper_size_info_fixed intel_i810_sizes[] = { {64, 16384, 4}, /* The 32M mode still requires a 64k gatt */ {32, 8192, 4} }; #define AGP_DCACHE_MEMORY 1 #define AGP_PHYS_MEMORY 2 #define INTEL_AGP_CACHED_MEMORY 3 static struct gatt_mask intel_i810_masks[] = { {.mask = I810_PTE_VALID, .type = 0}, {.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY}, {.mask = I810_PTE_VALID, .type = 0}, {.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED, .type = INTEL_AGP_CACHED_MEMORY} }; static struct _intel_private { struct pci_dev *pcidev; /* device one */ u8 __iomem *registers; u32 __iomem *gtt; /* I915G */ int num_dcache_entries; /* gtt_entries is the number of gtt entries that are already mapped * to stolen memory. Stolen memory is larger than the memory mapped * through gtt_entries, as it includes some reserved space for the BIOS * popup and for the GTT. */ int gtt_entries; /* i830+ */ union { void __iomem *i9xx_flush_page; void *i8xx_flush_page; }; struct page *i8xx_page; struct resource ifp_resource; int resource_valid; } intel_private; static int intel_i810_fetch_size(void) { u32 smram_miscc; struct aper_size_info_fixed *values; pci_read_config_dword(agp_bridge->dev, I810_SMRAM_MISCC, &smram_miscc); values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) { dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n"); return 0; } if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1); agp_bridge->aperture_size_idx = 1; return values[1].size; } else { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values); agp_bridge->aperture_size_idx = 0; return values[0].size; } return 0; } static int intel_i810_configure(void) { struct aper_size_info_fixed *current_size; u32 temp; int i; current_size = A_SIZE_FIX(agp_bridge->current_size); if (!intel_private.registers) { pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); temp &= 0xfff80000; intel_private.registers = ioremap(temp, 128 * 4096); if (!intel_private.registers) { dev_err(&intel_private.pcidev->dev, "can't remap memory\n"); return -ENOMEM; } } if ((readl(intel_private.registers+I810_DRAM_CTL) & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) { /* This will need to be dynamically assigned */ dev_info(&intel_private.pcidev->dev, "detected 4MB dedicated video ram\n"); intel_private.num_dcache_entries = 1024; } pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ if (agp_bridge->driver->needs_scratch_page) { for (i = 0; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); } readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */ } global_cache_flush(); return 0; } static void intel_i810_cleanup(void) { writel(0, intel_private.registers+I810_PGETBL_CTL); readl(intel_private.registers); /* PCI Posting. */ iounmap(intel_private.registers); } static void intel_i810_tlbflush(struct agp_memory *mem) { return; } static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode) { return; } /* Exists to support ARGB cursors */ static void *i8xx_alloc_pages(void) { struct page *page; page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2); if (page == NULL) return NULL; if (set_pages_uc(page, 4) < 0) { set_pages_wb(page, 4); __free_pages(page, 2); return NULL; } get_page(page); atomic_inc(&agp_bridge->current_memory_agp); return page_address(page); } static void i8xx_destroy_pages(void *addr) { struct page *page; if (addr == NULL) return; page = virt_to_page(addr); set_pages_wb(page, 4); put_page(page); __free_pages(page, 2); atomic_dec(&agp_bridge->current_memory_agp); } static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge, int type) { if (type < AGP_USER_TYPES) return type; else if (type == AGP_USER_CACHED_MEMORY) return INTEL_AGP_CACHED_MEMORY; else return 0; } static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, int type) { int i, j, num_entries; void *temp; int ret = -EINVAL; int mask_type; if (mem->page_count == 0) goto out; temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; if ((pg_start + mem->page_count) > num_entries) goto out_err; for (j = pg_start; j < (pg_start + mem->page_count); j++) { if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) { ret = -EBUSY; goto out_err; } } if (type != mem->type) goto out_err; mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); switch (mask_type) { case AGP_DCACHE_MEMORY: if (!mem->is_flushed) global_cache_flush(); for (i = pg_start; i < (pg_start + mem->page_count); i++) { writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID, intel_private.registers+I810_PTE_BASE+(i*4)); } readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); break; case AGP_PHYS_MEMORY: case AGP_NORMAL_MEMORY: if (!mem->is_flushed) global_cache_flush(); for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, mem->memory[i], mask_type), intel_private.registers+I810_PTE_BASE+(j*4)); } readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); break; default: goto out_err; } agp_bridge->driver->tlb_flush(mem); out: ret = 0; out_err: mem->is_flushed = true; return ret; } static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start, int type) { int i; if (mem->page_count == 0) return 0; for (i = pg_start; i < (mem->page_count + pg_start); i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); } readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); agp_bridge->driver->tlb_flush(mem); return 0; } /* * The i810/i830 requires a physical address to program its mouse * pointer into hardware. * However the Xserver still writes to it through the agp aperture. */ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type) { struct agp_memory *new; void *addr; switch (pg_count) { case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge); break; case 4: /* kludge to get 4 physical pages for ARGB cursor */ addr = i8xx_alloc_pages(); break; default: return NULL; } if (addr == NULL) return NULL; new = agp_create_memory(pg_count); if (new == NULL) return NULL; new->memory[0] = virt_to_gart(addr); if (pg_count == 4) { /* kludge to get 4 physical pages for ARGB cursor */ new->memory[1] = new->memory[0] + PAGE_SIZE; new->memory[2] = new->memory[1] + PAGE_SIZE; new->memory[3] = new->memory[2] + PAGE_SIZE; } new->page_count = pg_count; new->num_scratch_pages = pg_count; new->type = AGP_PHYS_MEMORY; new->physical = new->memory[0]; return new; } static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type) { struct agp_memory *new; if (type == AGP_DCACHE_MEMORY) { if (pg_count != intel_private.num_dcache_entries) return NULL; new = agp_create_memory(1); if (new == NULL) return NULL; new->type = AGP_DCACHE_MEMORY; new->page_count = pg_count; new->num_scratch_pages = 0; agp_free_page_array(new); return new; } if (type == AGP_PHYS_MEMORY) return alloc_agpphysmem_i8xx(pg_count, type); return NULL; } static void intel_i810_free_by_type(struct agp_memory *curr) { agp_free_key(curr->key); if (curr->type == AGP_PHYS_MEMORY) { if (curr->page_count == 4) i8xx_destroy_pages(gart_to_virt(curr->memory[0])); else { void *va = gart_to_virt(curr->memory[0]); agp_bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_UNMAP); agp_bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_FREE); } agp_free_page_array(curr); } kfree(curr); } static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge, unsigned long addr, int type) { /* Type checking must be done elsewhere */ return addr | bridge->driver->masks[type].mask; } static struct aper_size_info_fixed intel_i830_sizes[] = { {128, 32768, 5}, /* The 64M mode still requires a 128k gatt */ {64, 16384, 5}, {256, 65536, 6}, {512, 131072, 7}, }; static void intel_i830_init_gtt_entries(void) { u16 gmch_ctrl; int gtt_entries; u8 rdct; int local = 0; static const int ddt[4] = { 0, 16, 32, 64 }; int size; /* reserved space (in kb) at the top of stolen memory */ pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); if (IS_I965) { u32 pgetbl_ctl; pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); /* The 965 has a field telling us the size of the GTT, * which may be larger than what is necessary to map the * aperture. */ switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { case I965_PGETBL_SIZE_128KB: size = 128; break; case I965_PGETBL_SIZE_256KB: size = 256; break; case I965_PGETBL_SIZE_512KB: size = 512; break; case I965_PGETBL_SIZE_1MB: size = 1024; break; case I965_PGETBL_SIZE_2MB: size = 2048; break; case I965_PGETBL_SIZE_1_5MB: size = 1024 + 512; break; default: dev_info(&intel_private.pcidev->dev, "unknown page table size, assuming 512KB\n"); size = 512; } size += 4; /* add in BIOS popup space */ } else if (IS_G33) { /* G33's GTT size defined in gmch_ctrl */ switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) { case G33_PGETBL_SIZE_1M: size = 1024; break; case G33_PGETBL_SIZE_2M: size = 2048; break; default: dev_info(&agp_bridge->dev->dev, "unknown page table size 0x%x, assuming 512KB\n", (gmch_ctrl & G33_PGETBL_SIZE_MASK)); size = 512; } size += 4; } else if (IS_G4X) { /* On 4 series hardware, GTT stolen is separate from graphics * stolen, ignore it in stolen gtt entries counting. However, * 4KB of the stolen memory doesn't get mapped to the GTT. */ size = 4; } else { /* On previous hardware, the GTT size was just what was * required to map the aperture. */ size = agp_bridge->driver->fetch_size() + 4; } if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { switch (gmch_ctrl & I830_GMCH_GMS_MASK) { case I830_GMCH_GMS_STOLEN_512: gtt_entries = KB(512) - KB(size); break; case I830_GMCH_GMS_STOLEN_1024: gtt_entries = MB(1) - KB(size); break; case I830_GMCH_GMS_STOLEN_8192: gtt_entries = MB(8) - KB(size); break; case I830_GMCH_GMS_LOCAL: rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE); gtt_entries = (I830_RDRAM_ND(rdct) + 1) * MB(ddt[I830_RDRAM_DDT(rdct)]); local = 1; break; default: gtt_entries = 0; break; } } else { switch (gmch_ctrl & I855_GMCH_GMS_MASK) { case I855_GMCH_GMS_STOLEN_1M: gtt_entries = MB(1) - KB(size); break; case I855_GMCH_GMS_STOLEN_4M: gtt_entries = MB(4) - KB(size); break; case I855_GMCH_GMS_STOLEN_8M: gtt_entries = MB(8) - KB(size); break; case I855_GMCH_GMS_STOLEN_16M: gtt_entries = MB(16) - KB(size); break; case I855_GMCH_GMS_STOLEN_32M: gtt_entries = MB(32) - KB(size); break; case I915_GMCH_GMS_STOLEN_48M: /* Check it's really I915G */ if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) gtt_entries = MB(48) - KB(size); else gtt_entries = 0; break; case I915_GMCH_GMS_STOLEN_64M: /* Check it's really I915G */ if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) gtt_entries = MB(64) - KB(size); else gtt_entries = 0; break; case G33_GMCH_GMS_STOLEN_128M: if (IS_G33 || IS_I965 || IS_G4X) gtt_entries = MB(128) - KB(size); else gtt_entries = 0; break; case G33_GMCH_GMS_STOLEN_256M: if (IS_G33 || IS_I965 || IS_G4X) gtt_entries = MB(256) - KB(size); else gtt_entries = 0; break; case INTEL_GMCH_GMS_STOLEN_96M: if (IS_I965 || IS_G4X) gtt_entries = MB(96) - KB(size); else gtt_entries = 0; break; case INTEL_GMCH_GMS_STOLEN_160M: if (IS_I965 || IS_G4X) gtt_entries = MB(160) - KB(size); else gtt_entries = 0; break; case INTEL_GMCH_GMS_STOLEN_224M: if (IS_I965 || IS_G4X) gtt_entries = MB(224) - KB(size); else gtt_entries = 0; break; case INTEL_GMCH_GMS_STOLEN_352M: if (IS_I965 || IS_G4X) gtt_entries = MB(352) - KB(size); else gtt_entries = 0; break; default: gtt_entries = 0; break; } } if (gtt_entries > 0) dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n", gtt_entries / KB(1), local ? "local" : "stolen"); else dev_info(&agp_bridge->dev->dev, "no pre-allocated video memory detected\n"); gtt_entries /= KB(4); intel_private.gtt_entries = gtt_entries; } static void intel_i830_fini_flush(void) { kunmap(intel_private.i8xx_page); intel_private.i8xx_flush_page = NULL; unmap_page_from_agp(intel_private.i8xx_page); __free_page(intel_private.i8xx_page); intel_private.i8xx_page = NULL; } static void intel_i830_setup_flush(void) { /* return if we've already set the flush mechanism up */ if (intel_private.i8xx_page) return; intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); if (!intel_private.i8xx_page) return; /* make page uncached */ map_page_into_agp(intel_private.i8xx_page); intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page); if (!intel_private.i8xx_flush_page) intel_i830_fini_flush(); } static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) { unsigned int *pg = intel_private.i8xx_flush_page; int i; for (i = 0; i < 256; i += 2) *(pg + i) = i; wmb(); } /* The intel i830 automatically initializes the agp aperture during POST. * Use the memory already set aside for in the GTT. */ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) { int page_order; struct aper_size_info_fixed *size; int num_entries; u32 temp; size = agp_bridge->current_size; page_order = size->page_order; num_entries = size->num_entries; agp_bridge->gatt_table_real = NULL; pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); temp &= 0xfff80000; intel_private.registers = ioremap(temp, 128 * 4096); if (!intel_private.registers) return -ENOMEM; temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; global_cache_flush(); /* FIXME: ?? */ /* we have to call this as early as possible after the MMIO base address is known */ intel_i830_init_gtt_entries(); agp_bridge->gatt_table = NULL; agp_bridge->gatt_bus_addr = temp; return 0; } /* Return the gatt table to a sane state. Use the top of stolen * memory for the GTT. */ static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge) { return 0; } static int intel_i830_fetch_size(void) { u16 gmch_ctrl; struct aper_size_info_fixed *values; values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB && agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) { /* 855GM/852GM/865G has 128MB aperture size */ agp_bridge->previous_size = agp_bridge->current_size = (void *) values; agp_bridge->aperture_size_idx = 0; return values[0].size; } pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) { agp_bridge->previous_size = agp_bridge->current_size = (void *) values; agp_bridge->aperture_size_idx = 0; return values[0].size; } else { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1); agp_bridge->aperture_size_idx = 1; return values[1].size; } return 0; } static int intel_i830_configure(void) { struct aper_size_info_fixed *current_size; u32 temp; u16 gmch_ctrl; int i; current_size = A_SIZE_FIX(agp_bridge->current_size); pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); gmch_ctrl |= I830_GMCH_ENABLED; pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ if (agp_bridge->driver->needs_scratch_page) { for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); } readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ } global_cache_flush(); intel_i830_setup_flush(); return 0; } static void intel_i830_cleanup(void) { iounmap(intel_private.registers); } static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, int type) { int i, j, num_entries; void *temp; int ret = -EINVAL; int mask_type; if (mem->page_count == 0) goto out; temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; if (pg_start < intel_private.gtt_entries) { dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", pg_start, intel_private.gtt_entries); dev_info(&intel_private.pcidev->dev, "trying to insert into local/stolen memory\n"); goto out_err; } if ((pg_start + mem->page_count) > num_entries) goto out_err; /* The i830 can't check the GTT for entries since its read only, * depend on the caller to make the correct offset decisions. */ if (type != mem->type) goto out_err; mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && mask_type != INTEL_AGP_CACHED_MEMORY) goto out_err; if (!mem->is_flushed) global_cache_flush(); for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, mem->memory[i], mask_type), intel_private.registers+I810_PTE_BASE+(j*4)); } readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); agp_bridge->driver->tlb_flush(mem); out: ret = 0; out_err: mem->is_flushed = true; return ret; } static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, int type) { int i; if (mem->page_count == 0) return 0; if (pg_start < intel_private.gtt_entries) { dev_info(&intel_private.pcidev->dev, "trying to disable local/stolen memory\n"); return -EINVAL; } for (i = pg_start; i < (mem->page_count + pg_start); i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); } readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); agp_bridge->driver->tlb_flush(mem); return 0; } static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count, int type) { if (type == AGP_PHYS_MEMORY) return alloc_agpphysmem_i8xx(pg_count, type); /* always return NULL for other allocation types for now */ return NULL; } static int intel_alloc_chipset_flush_resource(void) { int ret; ret = pci_bus_alloc_resource(agp_bridge->dev->bus, &intel_private.ifp_resource, PAGE_SIZE, PAGE_SIZE, PCIBIOS_MIN_MEM, 0, pcibios_align_resource, agp_bridge->dev); return ret; } static void intel_i915_setup_chipset_flush(void) { int ret; u32 temp; pci_read_config_dword(agp_bridge->dev, I915_IFPADDR, &temp); if (!(temp & 0x1)) { intel_alloc_chipset_flush_resource(); intel_private.resource_valid = 1; pci_write_config_dword(agp_bridge->dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); } else { temp &= ~1; intel_private.resource_valid = 1; intel_private.ifp_resource.start = temp; intel_private.ifp_resource.end = temp + PAGE_SIZE; ret = request_resource(&iomem_resource, &intel_private.ifp_resource); /* some BIOSes reserve this area in a pnp some don't */ if (ret) intel_private.resource_valid = 0; } } static void intel_i965_g33_setup_chipset_flush(void) { u32 temp_hi, temp_lo; int ret; pci_read_config_dword(agp_bridge->dev, I965_IFPADDR + 4, &temp_hi); pci_read_config_dword(agp_bridge->dev, I965_IFPADDR, &temp_lo); if (!(temp_lo & 0x1)) { intel_alloc_chipset_flush_resource(); intel_private.resource_valid = 1; pci_write_config_dword(agp_bridge->dev, I965_IFPADDR + 4, upper_32_bits(intel_private.ifp_resource.start)); pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); } else { u64 l64; temp_lo &= ~0x1; l64 = ((u64)temp_hi << 32) | temp_lo; intel_private.resource_valid = 1; intel_private.ifp_resource.start = l64; intel_private.ifp_resource.end = l64 + PAGE_SIZE; ret = request_resource(&iomem_resource, &intel_private.ifp_resource); /* some BIOSes reserve this area in a pnp some don't */ if (ret) intel_private.resource_valid = 0; } } static void intel_i9xx_setup_flush(void) { /* return if already configured */ if (intel_private.ifp_resource.start) return; /* setup a resource for this object */ intel_private.ifp_resource.name = "Intel Flush Page"; intel_private.ifp_resource.flags = IORESOURCE_MEM; /* Setup chipset flush for 915 */ if (IS_I965 || IS_G33 || IS_G4X) { intel_i965_g33_setup_chipset_flush(); } else { intel_i915_setup_chipset_flush(); } if (intel_private.ifp_resource.start) { intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); if (!intel_private.i9xx_flush_page) dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing"); } } static int intel_i915_configure(void) { struct aper_size_info_fixed *current_size; u32 temp; u16 gmch_ctrl; int i; current_size = A_SIZE_FIX(agp_bridge->current_size); pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); gmch_ctrl |= I830_GMCH_ENABLED; pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ if (agp_bridge->driver->needs_scratch_page) { for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.gtt+i); } readl(intel_private.gtt+i-1); /* PCI Posting. */ } global_cache_flush(); intel_i9xx_setup_flush(); return 0; } static void intel_i915_cleanup(void) { if (intel_private.i9xx_flush_page) iounmap(intel_private.i9xx_flush_page); if (intel_private.resource_valid) release_resource(&intel_private.ifp_resource); intel_private.ifp_resource.start = 0; intel_private.resource_valid = 0; iounmap(intel_private.gtt); iounmap(intel_private.registers); } static void intel_i915_chipset_flush(struct agp_bridge_data *bridge) { if (intel_private.i9xx_flush_page) writel(1, intel_private.i9xx_flush_page); } static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start, int type) { int i, j, num_entries; void *temp; int ret = -EINVAL; int mask_type; if (mem->page_count == 0) goto out; temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; if (pg_start < intel_private.gtt_entries) { dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", pg_start, intel_private.gtt_entries); dev_info(&intel_private.pcidev->dev, "trying to insert into local/stolen memory\n"); goto out_err; } if ((pg_start + mem->page_count) > num_entries) goto out_err; /* The i915 can't check the GTT for entries since its read only, * depend on the caller to make the correct offset decisions. */ if (type != mem->type) goto out_err; mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && mask_type != INTEL_AGP_CACHED_MEMORY) goto out_err; if (!mem->is_flushed) global_cache_flush(); for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, mem->memory[i], mask_type), intel_private.gtt+j); } readl(intel_private.gtt+j-1); agp_bridge->driver->tlb_flush(mem); out: ret = 0; out_err: mem->is_flushed = true; return ret; } static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, int type) { int i; if (mem->page_count == 0) return 0; if (pg_start < intel_private.gtt_entries) { dev_info(&intel_private.pcidev->dev, "trying to disable local/stolen memory\n"); return -EINVAL; } for (i = pg_start; i < (mem->page_count + pg_start); i++) writel(agp_bridge->scratch_page, intel_private.gtt+i); readl(intel_private.gtt+i-1); agp_bridge->driver->tlb_flush(mem); return 0; } /* Return the aperture size by just checking the resource length. The effect * described in the spec of the MSAC registers is just changing of the * resource size. */ static int intel_i9xx_fetch_size(void) { int num_sizes = ARRAY_SIZE(intel_i830_sizes); int aper_size; /* size in megabytes */ int i; aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1); for (i = 0; i < num_sizes; i++) { if (aper_size == intel_i830_sizes[i].size) { agp_bridge->current_size = intel_i830_sizes + i; agp_bridge->previous_size = agp_bridge->current_size; return aper_size; } } return 0; } /* The intel i915 automatically initializes the agp aperture during POST. * Use the memory already set aside for in the GTT. */ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) { int page_order; struct aper_size_info_fixed *size; int num_entries; u32 temp, temp2; int gtt_map_size = 256 * 1024; size = agp_bridge->current_size; page_order = size->page_order; num_entries = size->num_entries; agp_bridge->gatt_table_real = NULL; pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2); if (IS_G33) gtt_map_size = 1024 * 1024; /* 1M on G33 */ intel_private.gtt = ioremap(temp2, gtt_map_size); if (!intel_private.gtt) return -ENOMEM; temp &= 0xfff80000; intel_private.registers = ioremap(temp, 128 * 4096); if (!intel_private.registers) { iounmap(intel_private.gtt); return -ENOMEM; } temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; global_cache_flush(); /* FIXME: ? */ /* we have to call this as early as possible after the MMIO base address is known */ intel_i830_init_gtt_entries(); agp_bridge->gatt_table = NULL; agp_bridge->gatt_bus_addr = temp; return 0; } /* * The i965 supports 36-bit physical addresses, but to keep * the format of the GTT the same, the bits that don't fit * in a 32-bit word are shifted down to bits 4..7. * * Gcc is smart enough to notice that "(addr >> 28) & 0xf0" * is always zero on 32-bit architectures, so no need to make * this conditional. */ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, unsigned long addr, int type) { /* Shift high bits down */ addr |= (addr >> 28) & 0xf0; /* Type checking must be done elsewhere */ return addr | bridge->driver->masks[type].mask; } static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) { switch (agp_bridge->dev->device) { case PCI_DEVICE_ID_INTEL_GM45_HB: case PCI_DEVICE_ID_INTEL_IGD_E_HB: case PCI_DEVICE_ID_INTEL_Q45_HB: case PCI_DEVICE_ID_INTEL_G45_HB: *gtt_offset = *gtt_size = MB(2); break; default: *gtt_offset = *gtt_size = KB(512); } } /* The intel i965 automatically initializes the agp aperture during POST. * Use the memory already set aside for in the GTT. */ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) { int page_order; struct aper_size_info_fixed *size; int num_entries; u32 temp; int gtt_offset, gtt_size; size = agp_bridge->current_size; page_order = size->page_order; num_entries = size->num_entries; agp_bridge->gatt_table_real = NULL; pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); temp &= 0xfff00000; intel_i965_get_gtt_range(>t_offset, >t_size); intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size); if (!intel_private.gtt) return -ENOMEM; intel_private.registers = ioremap(temp, 128 * 4096); if (!intel_private.registers) { iounmap(intel_private.gtt); return -ENOMEM; } temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; global_cache_flush(); /* FIXME: ? */ /* we have to call this as early as possible after the MMIO base address is known */ intel_i830_init_gtt_entries(); agp_bridge->gatt_table = NULL; agp_bridge->gatt_bus_addr = temp; return 0; } static int intel_fetch_size(void) { int i; u16 temp; struct aper_size_info_16 *values; pci_read_config_word(agp_bridge->dev, INTEL_APSIZE, &temp); values = A_SIZE_16(agp_bridge->driver->aperture_sizes); for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { if (temp == values[i].size_value) { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); agp_bridge->aperture_size_idx = i; return values[i].size; } } return 0; } static int __intel_8xx_fetch_size(u8 temp) { int i; struct aper_size_info_8 *values; values = A_SIZE_8(agp_bridge->driver->aperture_sizes); for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { if (temp == values[i].size_value) { agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); agp_bridge->aperture_size_idx = i; return values[i].size; } } return 0; } static int intel_8xx_fetch_size(void) { u8 temp; pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); return __intel_8xx_fetch_size(temp); } static int intel_815_fetch_size(void) { u8 temp; /* Intel 815 chipsets have a _weird_ APSIZE register with only * one non-reserved bit, so mask the others out ... */ pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); temp &= (1 << 3); return __intel_8xx_fetch_size(temp); } static void intel_tlbflush(struct agp_memory *mem) { pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2200); pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); } static void intel_8xx_tlbflush(struct agp_memory *mem) { u32 temp; pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp & ~(1 << 7)); pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp | (1 << 7)); } static void intel_cleanup(void) { u16 temp; struct aper_size_info_16 *previous_size; previous_size = A_SIZE_16(agp_bridge->previous_size); pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); } static void intel_8xx_cleanup(void) { u16 temp; struct aper_size_info_8 *previous_size; previous_size = A_SIZE_8(agp_bridge->previous_size); pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); } static int intel_configure(void) { u32 temp; u16 temp2; struct aper_size_info_16 *current_size; current_size = A_SIZE_16(agp_bridge->current_size); /* aperture size */ pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); /* paccfg/nbxcfg */ pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, (temp2 & ~(1 << 10)) | (1 << 9)); /* clear any possible error conditions */ pci_write_config_byte(agp_bridge->dev, INTEL_ERRSTS + 1, 7); return 0; } static int intel_815_configure(void) { u32 temp, addr; u8 temp2; struct aper_size_info_8 *current_size; /* attbase - aperture base */ /* the Intel 815 chipset spec. says that bits 29-31 in the * ATTBASE register are reserved -> try not to write them */ if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) { dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high"); return -EINVAL; } current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); pci_read_config_dword(agp_bridge->dev, INTEL_ATTBASE, &addr); addr &= INTEL_815_ATTBASE_MASK; addr |= agp_bridge->gatt_bus_addr; pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* apcont */ pci_read_config_byte(agp_bridge->dev, INTEL_815_APCONT, &temp2); pci_write_config_byte(agp_bridge->dev, INTEL_815_APCONT, temp2 | (1 << 1)); /* clear any possible error conditions */ /* Oddness : this chipset seems to have no ERRSTS register ! */ return 0; } static void intel_820_tlbflush(struct agp_memory *mem) { return; } static void intel_820_cleanup(void) { u8 temp; struct aper_size_info_8 *previous_size; previous_size = A_SIZE_8(agp_bridge->previous_size); pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp); pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, temp & ~(1 << 1)); pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); } static int intel_820_configure(void) { u32 temp; u8 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* global enable aperture access */ /* This flag is not accessed through MCHCFG register as in */ /* i850 chipset. */ pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp2); pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, temp2 | (1 << 1)); /* clear any possible AGP-related error conditions */ pci_write_config_word(agp_bridge->dev, INTEL_I820_ERRSTS, 0x001c); return 0; } static int intel_840_configure(void) { u32 temp; u16 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* mcgcfg */ pci_read_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, &temp2); pci_write_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, temp2 | (1 << 9)); /* clear any possible error conditions */ pci_write_config_word(agp_bridge->dev, INTEL_I840_ERRSTS, 0xc000); return 0; } static int intel_845_configure(void) { u32 temp; u8 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); if (agp_bridge->apbase_config != 0) { pci_write_config_dword(agp_bridge->dev, AGP_APBASE, agp_bridge->apbase_config); } else { /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); agp_bridge->apbase_config = temp; } /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* agpm */ pci_read_config_byte(agp_bridge->dev, INTEL_I845_AGPM, &temp2); pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1)); /* clear any possible error conditions */ pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c); intel_i830_setup_flush(); return 0; } static int intel_850_configure(void) { u32 temp; u16 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* mcgcfg */ pci_read_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, &temp2); pci_write_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, temp2 | (1 << 9)); /* clear any possible AGP-related error conditions */ pci_write_config_word(agp_bridge->dev, INTEL_I850_ERRSTS, 0x001c); return 0; } static int intel_860_configure(void) { u32 temp; u16 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* mcgcfg */ pci_read_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, &temp2); pci_write_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, temp2 | (1 << 9)); /* clear any possible AGP-related error conditions */ pci_write_config_word(agp_bridge->dev, INTEL_I860_ERRSTS, 0xf700); return 0; } static int intel_830mp_configure(void) { u32 temp; u16 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* gmch */ pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp2 | (1 << 9)); /* clear any possible AGP-related error conditions */ pci_write_config_word(agp_bridge->dev, INTEL_I830_ERRSTS, 0x1c); return 0; } static int intel_7505_configure(void) { u32 temp; u16 temp2; struct aper_size_info_8 *current_size; current_size = A_SIZE_8(agp_bridge->current_size); /* aperture size */ pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); /* address to map to */ pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); /* attbase - aperture base */ pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); /* agpctrl */ pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); /* mchcfg */ pci_read_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, &temp2); pci_write_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, temp2 | (1 << 9)); return 0; } /* Setup function */ static const struct gatt_mask intel_generic_masks[] = { {.mask = 0x00000017, .type = 0} }; static const struct aper_size_info_8 intel_815_sizes[2] = { {64, 16384, 4, 0}, {32, 8192, 3, 8}, }; static const struct aper_size_info_8 intel_8xx_sizes[7] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, {64, 16384, 4, 48}, {32, 8192, 3, 56}, {16, 4096, 2, 60}, {8, 2048, 1, 62}, {4, 1024, 0, 63} }; static const struct aper_size_info_16 intel_generic_sizes[7] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, {64, 16384, 4, 48}, {32, 8192, 3, 56}, {16, 4096, 2, 60}, {8, 2048, 1, 62}, {4, 1024, 0, 63} }; static const struct aper_size_info_8 intel_830mp_sizes[4] = { {256, 65536, 6, 0}, {128, 32768, 5, 32}, {64, 16384, 4, 48}, {32, 8192, 3, 56} }; static const struct agp_bridge_driver intel_generic_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_generic_sizes, .size_type = U16_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_configure, .fetch_size = intel_fetch_size, .cleanup = intel_cleanup, .tlb_flush = intel_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_810_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i810_sizes, .size_type = FIXED_APER_SIZE, .num_aperture_sizes = 2, .needs_scratch_page = true, .configure = intel_i810_configure, .fetch_size = intel_i810_fetch_size, .cleanup = intel_i810_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_i810_agp_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = intel_i810_insert_entries, .remove_memory = intel_i810_remove_entries, .alloc_by_type = intel_i810_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_815_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_815_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 2, .configure = intel_815_configure, .fetch_size = intel_815_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_830_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i830_configure, .fetch_size = intel_i830_fetch_size, .cleanup = intel_i830_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_i810_agp_enable, .cache_flush = global_cache_flush, .create_gatt_table = intel_i830_create_gatt_table, .free_gatt_table = intel_i830_free_gatt_table, .insert_memory = intel_i830_insert_entries, .remove_memory = intel_i830_remove_entries, .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i830_chipset_flush, }; static const struct agp_bridge_driver intel_820_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_820_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_820_cleanup, .tlb_flush = intel_820_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_830mp_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_830mp_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 4, .configure = intel_830mp_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_840_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_840_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_845_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_845_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, .chipset_flush = intel_i830_chipset_flush, }; static const struct agp_bridge_driver intel_850_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_850_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_860_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_860_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_915_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i915_configure, .fetch_size = intel_i9xx_fetch_size, .cleanup = intel_i915_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i810_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_i810_agp_enable, .cache_flush = global_cache_flush, .create_gatt_table = intel_i915_create_gatt_table, .free_gatt_table = intel_i830_free_gatt_table, .insert_memory = intel_i915_insert_entries, .remove_memory = intel_i915_remove_entries, .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i915_chipset_flush, }; static const struct agp_bridge_driver intel_i965_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i915_configure, .fetch_size = intel_i9xx_fetch_size, .cleanup = intel_i915_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i965_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_i810_agp_enable, .cache_flush = global_cache_flush, .create_gatt_table = intel_i965_create_gatt_table, .free_gatt_table = intel_i830_free_gatt_table, .insert_memory = intel_i915_insert_entries, .remove_memory = intel_i915_remove_entries, .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i915_chipset_flush, }; static const struct agp_bridge_driver intel_7505_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .configure = intel_7505_configure, .fetch_size = intel_8xx_fetch_size, .cleanup = intel_8xx_cleanup, .tlb_flush = intel_8xx_tlbflush, .mask_memory = agp_generic_mask_memory, .masks = intel_generic_masks, .agp_enable = agp_generic_enable, .cache_flush = global_cache_flush, .create_gatt_table = agp_generic_create_gatt_table, .free_gatt_table = agp_generic_free_gatt_table, .insert_memory = agp_generic_insert_memory, .remove_memory = agp_generic_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; static const struct agp_bridge_driver intel_g33_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, .num_aperture_sizes = 4, .needs_scratch_page = true, .configure = intel_i915_configure, .fetch_size = intel_i9xx_fetch_size, .cleanup = intel_i915_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i965_mask_memory, .masks = intel_i810_masks, .agp_enable = intel_i810_agp_enable, .cache_flush = global_cache_flush, .create_gatt_table = intel_i915_create_gatt_table, .free_gatt_table = intel_i830_free_gatt_table, .insert_memory = intel_i915_insert_entries, .remove_memory = intel_i915_remove_entries, .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_destroy_pages = agp_generic_destroy_pages, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i915_chipset_flush, }; static int find_gmch(u16 device) { struct pci_dev *gmch_device; gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) { gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, gmch_device); } if (!gmch_device) return 0; intel_private.pcidev = gmch_device; return 1; } /* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of * driver and gmch_driver must be non-null, and find_gmch will determine * which one should be used if a gmch_chip_id is present. */ static const struct intel_driver_description { unsigned int chip_id; unsigned int gmch_chip_id; unsigned int multi_gmch_chip; /* if we have more gfx chip type on this HB. */ char *name; const struct agp_bridge_driver *driver; const struct agp_bridge_driver *gmch_driver; } intel_agp_chipsets[] = { { PCI_DEVICE_ID_INTEL_82443LX_0, 0, 0, "440LX", &intel_generic_driver, NULL }, { PCI_DEVICE_ID_INTEL_82443BX_0, 0, 0, "440BX", &intel_generic_driver, NULL }, { PCI_DEVICE_ID_INTEL_82443GX_0, 0, 0, "440GX", &intel_generic_driver, NULL }, { PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, 0, "i810", NULL, &intel_810_driver }, { PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, 0, "i810", NULL, &intel_810_driver }, { PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, 0, "i810", NULL, &intel_810_driver }, { PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, 0, "i815", &intel_815_driver, &intel_810_driver }, { PCI_DEVICE_ID_INTEL_82820_HB, 0, 0, "i820", &intel_820_driver, NULL }, { PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, 0, "i820", &intel_820_driver, NULL }, { PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, 0, "830M", &intel_830mp_driver, &intel_830_driver }, { PCI_DEVICE_ID_INTEL_82840_HB, 0, 0, "i840", &intel_840_driver, NULL }, { PCI_DEVICE_ID_INTEL_82845_HB, 0, 0, "845G", &intel_845_driver, NULL }, { PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, 0, "830M", &intel_845_driver, &intel_830_driver }, { PCI_DEVICE_ID_INTEL_82850_HB, 0, 0, "i850", &intel_850_driver, NULL }, { PCI_DEVICE_ID_INTEL_82855PM_HB, 0, 0, "855PM", &intel_845_driver, NULL }, { PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, 0, "855GM", &intel_845_driver, &intel_830_driver }, { PCI_DEVICE_ID_INTEL_82860_HB, 0, 0, "i860", &intel_860_driver, NULL }, { PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, 0, "865", &intel_845_driver, &intel_830_driver }, { PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL }, { PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, 0, "E7221 (i915)", NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G", NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM", NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G", NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0, "945GM", NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME", NULL, &intel_915_driver }, { PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82G35_HB, PCI_DEVICE_ID_INTEL_82G35_IG, 0, "G35", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, 0, "965Q", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0, "965GM", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL }, { PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL }, { PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, 0, "G33", NULL, &intel_g33_driver }, { PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, 0, "Q35", NULL, &intel_g33_driver }, { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33", NULL, &intel_g33_driver }, { PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0, "Mobile Intel? GM45 Express", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0, "Intel Integrated Graphics Device", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0, "Q45/Q43", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0, "G45/G43", NULL, &intel_i965_driver }, { 0, 0, 0, NULL, NULL, NULL } }; static int __devinit agp_intel_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct agp_bridge_data *bridge; u8 cap_ptr = 0; struct resource *r; int i; cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); bridge = agp_alloc_bridge(); if (!bridge) return -ENOMEM; for (i = 0; intel_agp_chipsets[i].name != NULL; i++) { /* In case that multiple models of gfx chip may stand on same host bridge type, this can be sure we detect the right IGD. */ if (pdev->device == intel_agp_chipsets[i].chip_id) { if ((intel_agp_chipsets[i].gmch_chip_id != 0) && find_gmch(intel_agp_chipsets[i].gmch_chip_id)) { bridge->driver = intel_agp_chipsets[i].gmch_driver; break; } else if (intel_agp_chipsets[i].multi_gmch_chip) { continue; } else { bridge->driver = intel_agp_chipsets[i].driver; break; } } } if (intel_agp_chipsets[i].name == NULL) { if (cap_ptr) dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n", pdev->vendor, pdev->device); agp_put_bridge(bridge); return -ENODEV; } if (bridge->driver == NULL) { /* bridge has no AGP and no IGD detected */ if (cap_ptr) dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n", intel_agp_chipsets[i].gmch_chip_id); agp_put_bridge(bridge); return -ENODEV; } bridge->dev = pdev; bridge->capndx = cap_ptr; bridge->dev_private_data = &intel_private; dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name); /* * The following fixes the case where the BIOS has "forgotten" to * provide an address range for the GART. * 20030610 - hamish@zot.org */ r = &pdev->resource[0]; if (!r->start && r->end) { if (pci_assign_resource(pdev, 0)) { dev_err(&pdev->dev, "can't assign resource 0\n"); agp_put_bridge(bridge); return -ENODEV; } } /* * If the device has not been properly setup, the following will catch * the problem and should stop the system from crashing. * 20030610 - hamish@zot.org */ if (pci_enable_device(pdev)) { dev_err(&pdev->dev, "can't enable PCI device\n"); agp_put_bridge(bridge); return -ENODEV; } /* Fill in the mode register */ if (cap_ptr) { pci_read_config_dword(pdev, bridge->capndx+PCI_AGP_STATUS, &bridge->mode); } pci_set_drvdata(pdev, bridge); return agp_add_bridge(bridge); } static void __devexit agp_intel_remove(struct pci_dev *pdev) { struct agp_bridge_data *bridge = pci_get_drvdata(pdev); agp_remove_bridge(bridge); if (intel_private.pcidev) pci_dev_put(intel_private.pcidev); agp_put_bridge(bridge); } #ifdef CONFIG_PM static int agp_intel_resume(struct pci_dev *pdev) { struct agp_bridge_data *bridge = pci_get_drvdata(pdev); int ret_val; pci_restore_state(pdev); /* We should restore our graphics device's config space, * as host bridge (00:00) resumes before graphics device (02:00), * then our access to its pci space can work right. */ if (intel_private.pcidev) pci_restore_state(intel_private.pcidev); if (bridge->driver == &intel_generic_driver) intel_configure(); else if (bridge->driver == &intel_850_driver) intel_850_configure(); else if (bridge->driver == &intel_845_driver) intel_845_configure(); else if (bridge->driver == &intel_830mp_driver) intel_830mp_configure(); else if (bridge->driver == &intel_915_driver) intel_i915_configure(); else if (bridge->driver == &intel_830_driver) intel_i830_configure(); else if (bridge->driver == &intel_810_driver) intel_i810_configure(); else if (bridge->driver == &intel_i965_driver) intel_i915_configure(); ret_val = agp_rebind_memory(); if (ret_val != 0) return ret_val; return 0; } #endif static struct pci_device_id agp_intel_pci_table[] = { #define ID(x) \ { \ .class = (PCI_CLASS_BRIDGE_HOST << 8), \ .class_mask = ~0, \ .vendor = PCI_VENDOR_ID_INTEL, \ .device = x, \ .subvendor = PCI_ANY_ID, \ .subdevice = PCI_ANY_ID, \ } ID(PCI_DEVICE_ID_INTEL_82443LX_0), ID(PCI_DEVICE_ID_INTEL_82443BX_0), ID(PCI_DEVICE_ID_INTEL_82443GX_0), ID(PCI_DEVICE_ID_INTEL_82810_MC1), ID(PCI_DEVICE_ID_INTEL_82810_MC3), ID(PCI_DEVICE_ID_INTEL_82810E_MC), ID(PCI_DEVICE_ID_INTEL_82815_MC), ID(PCI_DEVICE_ID_INTEL_82820_HB), ID(PCI_DEVICE_ID_INTEL_82820_UP_HB), ID(PCI_DEVICE_ID_INTEL_82830_HB), ID(PCI_DEVICE_ID_INTEL_82840_HB), ID(PCI_DEVICE_ID_INTEL_82845_HB), ID(PCI_DEVICE_ID_INTEL_82845G_HB), ID(PCI_DEVICE_ID_INTEL_82850_HB), ID(PCI_DEVICE_ID_INTEL_82855PM_HB), ID(PCI_DEVICE_ID_INTEL_82855GM_HB), ID(PCI_DEVICE_ID_INTEL_82860_HB), ID(PCI_DEVICE_ID_INTEL_82865_HB), ID(PCI_DEVICE_ID_INTEL_82875_HB), ID(PCI_DEVICE_ID_INTEL_7505_0), ID(PCI_DEVICE_ID_INTEL_7205_0), ID(PCI_DEVICE_ID_INTEL_E7221_HB), ID(PCI_DEVICE_ID_INTEL_82915G_HB), ID(PCI_DEVICE_ID_INTEL_82915GM_HB), ID(PCI_DEVICE_ID_INTEL_82945G_HB), ID(PCI_DEVICE_ID_INTEL_82945GM_HB), ID(PCI_DEVICE_ID_INTEL_82945GME_HB), ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), ID(PCI_DEVICE_ID_INTEL_82G35_HB), ID(PCI_DEVICE_ID_INTEL_82965Q_HB), ID(PCI_DEVICE_ID_INTEL_82965G_HB), ID(PCI_DEVICE_ID_INTEL_82965GM_HB), ID(PCI_DEVICE_ID_INTEL_82965GME_HB), ID(PCI_DEVICE_ID_INTEL_G33_HB), ID(PCI_DEVICE_ID_INTEL_Q35_HB), ID(PCI_DEVICE_ID_INTEL_Q33_HB), ID(PCI_DEVICE_ID_INTEL_GM45_HB), ID(PCI_DEVICE_ID_INTEL_IGD_E_HB), ID(PCI_DEVICE_ID_INTEL_Q45_HB), ID(PCI_DEVICE_ID_INTEL_G45_HB), { } }; MODULE_DEVICE_TABLE(pci, agp_intel_pci_table); static struct pci_driver agp_intel_pci_driver = { .name = "agpgart-intel", .id_table = agp_intel_pci_table, .probe = agp_intel_probe, .remove = __devexit_p(agp_intel_remove), #ifdef CONFIG_PM .resume = agp_intel_resume, #endif }; static int __init agp_intel_init(void) { if (agp_off) return -EINVAL; return pci_register_driver(&agp_intel_pci_driver); } static void __exit agp_intel_cleanup(void) { pci_unregister_driver(&agp_intel_pci_driver); } module_init(agp_intel_init); module_exit(agp_intel_cleanup); MODULE_AUTHOR("Dave Jones "); MODULE_LICENSE("GPL and additional rights");