diff options
Diffstat (limited to 'drivers/char/agp/intel-gtt.c')
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 75e0a3497888..6a89ab8fe605 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1648,3 +1648,127 @@ static const struct agp_bridge_driver intel_g33_driver = { .agp_unmap_memory = intel_agp_unmap_memory, #endif }; + +/* 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_gtt_driver_description { + unsigned int gmch_chip_id; + char *name; + const struct agp_bridge_driver *gmch_driver; +} intel_gtt_chipsets[] = { + { PCI_DEVICE_ID_INTEL_82810_IG1, "i810", &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82810_IG3, "i810", &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82810E_IG, "i810", &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82815_CGC, "i815", &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82830_CGC, "830M", &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82845G_IG, "830M", &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82854_IG, "854", &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82855GM_IG, "855GM", &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82865_IG, "865", &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_E7221_IG, "E7221 (i915)", &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82915G_IG, "915G", &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82915GM_IG, "915GM", &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82945G_IG, "945G", &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82945GM_IG, "945GM", &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82945GME_IG, "945GME", &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82946GZ_IG, "946GZ", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82G35_IG, "G35", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965Q_IG, "965Q", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965G_IG, "965G", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965GM_IG, "965GM", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965GME_IG, "965GME/GLE", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_G33_IG, "G33", &intel_g33_driver }, + { PCI_DEVICE_ID_INTEL_Q35_IG, "Q35", &intel_g33_driver }, + { PCI_DEVICE_ID_INTEL_Q33_IG, "Q33", &intel_g33_driver }, + { PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, "GMA3150", &intel_g33_driver }, + { PCI_DEVICE_ID_INTEL_PINEVIEW_IG, "GMA3150", &intel_g33_driver }, + { PCI_DEVICE_ID_INTEL_GM45_IG, "GM45", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_EAGLELAKE_IG, "Eaglelake", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_Q45_IG, "Q45/Q43", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_G45_IG, "G45/G43", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_B43_IG, "B43", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_G41_IG, "G41", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG, + "HD Graphics", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, + "HD Graphics", &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT1_IG, + "Sandybridge", &intel_gen6_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_IG, + "Sandybridge", &intel_gen6_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_PLUS_IG, + "Sandybridge", &intel_gen6_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT1_IG, + "Sandybridge", &intel_gen6_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_IG, + "Sandybridge", &intel_gen6_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_PLUS_IG, + "Sandybridge", &intel_gen6_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG, + "Sandybridge", &intel_gen6_driver }, + { 0, NULL, NULL } +}; + +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; +} + +int __devinit intel_gmch_probe(struct pci_dev *pdev, + struct agp_bridge_data *bridge) +{ + int i, mask; + bridge->driver = NULL; + + for (i = 0; intel_gtt_chipsets[i].name != NULL; i++) { + if (find_gmch(intel_gtt_chipsets[i].gmch_chip_id)) { + bridge->driver = + intel_gtt_chipsets[i].gmch_driver; + break; + } + } + + if (!bridge->driver) + return 0; + + bridge->dev_private_data = &intel_private; + bridge->dev = pdev; + + dev_info(&pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name); + + if (bridge->driver->mask_memory == intel_gen6_mask_memory) + mask = 40; + else if (bridge->driver->mask_memory == intel_i965_mask_memory) + mask = 36; + else + mask = 32; + + if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask))) + dev_err(&intel_private.pcidev->dev, + "set gfx device dma mask %d-bit failed!\n", mask); + else + pci_set_consistent_dma_mask(intel_private.pcidev, + DMA_BIT_MASK(mask)); + + return 1; +} + +void __devexit intel_gmch_remove(struct pci_dev *pdev) +{ + if (intel_private.pcidev) + pci_dev_put(intel_private.pcidev); +} |