| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Dave Jones | 2896 | 68.67% | 32 | 37.21% |
| Zhenyu Wang | 418 | 9.91% | 16 | 18.60% |
| Daniel Vetter | 330 | 7.83% | 6 | 6.98% |
| Eric Anholt | 119 | 2.82% | 1 | 1.16% |
| Shaohua Li | 107 | 2.54% | 3 | 3.49% |
| Björn Helgaas | 101 | 2.40% | 3 | 3.49% |
| Jérôme Glisse | 45 | 1.07% | 1 | 1.16% |
| Thomas Hellstrom | 44 | 1.04% | 1 | 1.16% |
| Stephen Kitt | 30 | 0.71% | 1 | 1.16% |
| Matthew Garrett | 29 | 0.69% | 1 | 1.16% |
| Stefan Husemann | 14 | 0.33% | 1 | 1.16% |
| Alexey Dobriyan | 12 | 0.28% | 1 | 1.16% |
| Dave Airlie | 11 | 0.26% | 4 | 4.65% |
| Alan Hourihane | 10 | 0.24% | 2 | 2.33% |
| Adam Jackson | 6 | 0.14% | 1 | 1.16% |
| Ben Widawsky | 6 | 0.14% | 1 | 1.16% |
| Linus Torvalds | 6 | 0.14% | 1 | 1.16% |
| Fabian Henze | 5 | 0.12% | 1 | 1.16% |
| Eugeni Dodonov | 5 | 0.12% | 1 | 1.16% |
| Carlos Martín | 5 | 0.12% | 1 | 1.16% |
| Chris Wilson | 5 | 0.12% | 1 | 1.16% |
| Ahmed S. Darwish | 3 | 0.07% | 1 | 1.16% |
| Tejun Heo | 3 | 0.07% | 1 | 1.16% |
| Borislav Petkov | 3 | 0.07% | 1 | 1.16% |
| Oswald Buddenhagen | 2 | 0.05% | 1 | 1.16% |
| Arvind Yadav | 1 | 0.02% | 1 | 1.16% |
| Andreas Henriksson | 1 | 0.02% | 1 | 1.16% |
| Total | 4217 | 86 |
/* * Intel AGPGART routines. */ #include <linux/module.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/pagemap.h> #include <linux/agp_backend.h> #include <asm/smp.h> #include "agp.h" #include "intel-agp.h" #include <drm/intel-gtt.h> 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); agp_bridge->apbase_config = agp_bridge->gart_bus_addr; } /* 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); return 0; } static int intel_850_configure(void) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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) { 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 */ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); /* 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, .needs_scratch_page = true, .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_815_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_815_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 2, .needs_scratch_page = true, .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_820_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .needs_scratch_page = true, .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, .needs_scratch_page = true, .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, .needs_scratch_page = true, .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, .needs_scratch_page = true, .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, }; 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, .needs_scratch_page = true, .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, .needs_scratch_page = true, .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_7505_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_8xx_sizes, .size_type = U8_APER_SIZE, .num_aperture_sizes = 7, .needs_scratch_page = true, .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, }; /* 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_agp_driver_description { unsigned int chip_id; char *name; const struct agp_bridge_driver *driver; } intel_agp_chipsets[] = { { PCI_DEVICE_ID_INTEL_82443LX_0, "440LX", &intel_generic_driver }, { PCI_DEVICE_ID_INTEL_82443BX_0, "440BX", &intel_generic_driver }, { PCI_DEVICE_ID_INTEL_82443GX_0, "440GX", &intel_generic_driver }, { PCI_DEVICE_ID_INTEL_82815_MC, "i815", &intel_815_driver }, { PCI_DEVICE_ID_INTEL_82820_HB, "i820", &intel_820_driver }, { PCI_DEVICE_ID_INTEL_82820_UP_HB, "i820", &intel_820_driver }, { PCI_DEVICE_ID_INTEL_82830_HB, "830M", &intel_830mp_driver }, { PCI_DEVICE_ID_INTEL_82840_HB, "i840", &intel_840_driver }, { PCI_DEVICE_ID_INTEL_82845_HB, "i845", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_82845G_HB, "845G", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_82850_HB, "i850", &intel_850_driver }, { PCI_DEVICE_ID_INTEL_82854_HB, "854", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_82855PM_HB, "855PM", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_82855GM_HB, "855GM", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_82860_HB, "i860", &intel_860_driver }, { PCI_DEVICE_ID_INTEL_82865_HB, "865", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_82875_HB, "i875", &intel_845_driver }, { PCI_DEVICE_ID_INTEL_7505_0, "E7505", &intel_7505_driver }, { PCI_DEVICE_ID_INTEL_7205_0, "E7205", &intel_7505_driver }, { 0, NULL, NULL } }; static int 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, err; cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); bridge = agp_alloc_bridge(); if (!bridge) return -ENOMEM; bridge->capndx = cap_ptr; if (intel_gmch_probe(pdev, NULL, bridge)) goto found_gmch; 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) { bridge->driver = intel_agp_chipsets[i].driver; break; } } if (!bridge->driver) { if (cap_ptr) dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n", pdev->vendor, pdev->device); agp_put_bridge(bridge); return -ENODEV; } bridge->dev = pdev; bridge->dev_private_data = NULL; 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 * This happens before pci_enable_device() intentionally; * calling pci_enable_device() before assigning the resource * will result in the GART being disabled on machines with such * BIOSs (the GART ends up with a BAR starting at 0, which * conflicts a lot of other devices). */ 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); } found_gmch: pci_set_drvdata(pdev, bridge); err = agp_add_bridge(bridge); return err; } static void agp_intel_remove(struct pci_dev *pdev) { struct agp_bridge_data *bridge = pci_get_drvdata(pdev); agp_remove_bridge(bridge); intel_gmch_remove(); 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); bridge->driver->configure(); return 0; } #endif static const 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_82441), /* for HAS2 support */ 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_82854_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_PINEVIEW_M_HB), ID(PCI_DEVICE_ID_INTEL_PINEVIEW_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_EAGLELAKE_HB), ID(PCI_DEVICE_ID_INTEL_Q45_HB), ID(PCI_DEVICE_ID_INTEL_G45_HB), ID(PCI_DEVICE_ID_INTEL_G41_HB), ID(PCI_DEVICE_ID_INTEL_B43_HB), ID(PCI_DEVICE_ID_INTEL_B43_1_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB), ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_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 = 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, Various @Intel"); MODULE_LICENSE("GPL and additional rights");
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