| /* |
| * 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 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"); |
