diff options
Diffstat (limited to 'drivers/char/agp/intel-agp.c')
| -rw-r--r-- | drivers/char/agp/intel-agp.c | 300 |
1 files changed, 98 insertions, 202 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index e12f579ecf46..dcb6d4f73348 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -1717,41 +1717,92 @@ static const struct agp_bridge_driver intel_7505_driver = { .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; -static int find_i810(u16 device) -{ - struct pci_dev *i810_dev; - i810_dev = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); - if (!i810_dev) - return 0; - intel_private.pcidev = i810_dev; - return 1; -} - -static int find_i830(u16 device) +static int find_gmch(u16 device) { - struct pci_dev *i830_dev; + struct pci_dev *gmch_device; - i830_dev = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); - if (i830_dev && PCI_FUNC(i830_dev->devfn) != 0) { - i830_dev = pci_get_device(PCI_VENDOR_ID_INTEL, - device, i830_dev); + 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 (!i830_dev) + if (!gmch_device) return 0; - intel_private.pcidev = i830_dev; + 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; + 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, "440LX", &intel_generic_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82443BX_0, 0, "440BX", &intel_generic_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82443GX_0, 0, "440GX", &intel_generic_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, "i810", + NULL, &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, "i810", + NULL, &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, "i810", + NULL, &intel_810_driver }, + { PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, "i815", + &intel_810_driver, &intel_815_driver }, + { PCI_DEVICE_ID_INTEL_82820_HB, 0, "i820", &intel_820_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, "i820", &intel_820_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, "830M", + &intel_830mp_driver, &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82840_HB, 0, "i840", &intel_840_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82845_HB, 0, "845G", &intel_845_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, "830M", + &intel_845_driver, &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82850_HB, 0, "i850", &intel_850_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82855PM_HB, 0, "855PM", &intel_845_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, "855GM", + &intel_845_driver, &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82860_HB, 0, "i860", &intel_860_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, "865", + &intel_845_driver, &intel_830_driver }, + { PCI_DEVICE_ID_INTEL_82875_HB, 0, "i875", &intel_845_driver, NULL }, + { PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, "915G", + &intel_845_driver, &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, "915GM", + &intel_845_driver, &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, "945G", + &intel_845_driver, &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, "945GM", + &intel_845_driver, &intel_915_driver }, + { PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, "946GZ", + &intel_845_driver, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965G_1_HB, PCI_DEVICE_ID_INTEL_82965G_1_IG, "965G", + &intel_845_driver, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, "965Q", + &intel_845_driver, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, "965G", + &intel_845_driver, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, "965GM", + &intel_845_driver, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_7505_0, 0, "E7505", &intel_7505_driver, NULL }, + { PCI_DEVICE_ID_INTEL_7205_0, 0, "E7205", &intel_7505_driver, NULL }, + { 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; - char *name = "(unknown)"; u8 cap_ptr = 0; struct resource *r; + int i; cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); @@ -1759,191 +1810,42 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, if (!bridge) return -ENOMEM; - switch (pdev->device) { - case PCI_DEVICE_ID_INTEL_82443LX_0: - bridge->driver = &intel_generic_driver; - name = "440LX"; - break; - case PCI_DEVICE_ID_INTEL_82443BX_0: - bridge->driver = &intel_generic_driver; - name = "440BX"; - break; - case PCI_DEVICE_ID_INTEL_82443GX_0: - bridge->driver = &intel_generic_driver; - name = "440GX"; - break; - case PCI_DEVICE_ID_INTEL_82810_MC1: - name = "i810"; - if (!find_i810(PCI_DEVICE_ID_INTEL_82810_IG1)) - goto fail; - bridge->driver = &intel_810_driver; - break; - case PCI_DEVICE_ID_INTEL_82810_MC3: - name = "i810 DC100"; - if (!find_i810(PCI_DEVICE_ID_INTEL_82810_IG3)) - goto fail; - bridge->driver = &intel_810_driver; - break; - case PCI_DEVICE_ID_INTEL_82810E_MC: - name = "i810 E"; - if (!find_i810(PCI_DEVICE_ID_INTEL_82810E_IG)) - goto fail; - bridge->driver = &intel_810_driver; - break; - case PCI_DEVICE_ID_INTEL_82815_MC: - /* - * The i815 can operate either as an i810 style - * integrated device, or as an AGP4X motherboard. - */ - if (find_i810(PCI_DEVICE_ID_INTEL_82815_CGC)) - bridge->driver = &intel_810_driver; - else - bridge->driver = &intel_815_driver; - name = "i815"; - break; - case PCI_DEVICE_ID_INTEL_82820_HB: - case PCI_DEVICE_ID_INTEL_82820_UP_HB: - bridge->driver = &intel_820_driver; - name = "i820"; - break; - case PCI_DEVICE_ID_INTEL_82830_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82830_CGC)) - bridge->driver = &intel_830_driver; - else - bridge->driver = &intel_830mp_driver; - name = "830M"; - break; - case PCI_DEVICE_ID_INTEL_82840_HB: - bridge->driver = &intel_840_driver; - name = "i840"; - break; - case PCI_DEVICE_ID_INTEL_82845_HB: - bridge->driver = &intel_845_driver; - name = "i845"; - break; - case PCI_DEVICE_ID_INTEL_82845G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82845G_IG)) - bridge->driver = &intel_830_driver; - else - bridge->driver = &intel_845_driver; - name = "845G"; - break; - case PCI_DEVICE_ID_INTEL_82850_HB: - bridge->driver = &intel_850_driver; - name = "i850"; - break; - case PCI_DEVICE_ID_INTEL_82855PM_HB: - bridge->driver = &intel_845_driver; - name = "855PM"; - break; - case PCI_DEVICE_ID_INTEL_82855GM_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82855GM_IG)) { - bridge->driver = &intel_830_driver; - name = "855"; - } else { - bridge->driver = &intel_845_driver; - name = "855GM"; - } - break; - case PCI_DEVICE_ID_INTEL_82860_HB: - bridge->driver = &intel_860_driver; - name = "i860"; - break; - case PCI_DEVICE_ID_INTEL_82865_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82865_IG)) - bridge->driver = &intel_830_driver; - else - bridge->driver = &intel_845_driver; - name = "865"; - break; - case PCI_DEVICE_ID_INTEL_82875_HB: - bridge->driver = &intel_845_driver; - name = "i875"; - break; - case PCI_DEVICE_ID_INTEL_82915G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82915G_IG)) - bridge->driver = &intel_915_driver; - else - bridge->driver = &intel_845_driver; - name = "915G"; - break; - case PCI_DEVICE_ID_INTEL_82915GM_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82915GM_IG)) - bridge->driver = &intel_915_driver; - else - bridge->driver = &intel_845_driver; - name = "915GM"; - break; - case PCI_DEVICE_ID_INTEL_82945G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82945G_IG)) - bridge->driver = &intel_915_driver; - else - bridge->driver = &intel_845_driver; - name = "945G"; - break; - case PCI_DEVICE_ID_INTEL_82945GM_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82945GM_IG)) - bridge->driver = &intel_915_driver; - else - bridge->driver = &intel_845_driver; - name = "945GM"; - break; - case PCI_DEVICE_ID_INTEL_82946GZ_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82946GZ_IG)) - bridge->driver = &intel_i965_driver; - else - bridge->driver = &intel_845_driver; - name = "946GZ"; - break; - case PCI_DEVICE_ID_INTEL_82965G_1_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82965G_1_IG)) - bridge->driver = &intel_i965_driver; - else - bridge->driver = &intel_845_driver; - name = "965G"; - break; - case PCI_DEVICE_ID_INTEL_82965Q_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82965Q_IG)) - bridge->driver = &intel_i965_driver; - else - bridge->driver = &intel_845_driver; - name = "965Q"; - break; - case PCI_DEVICE_ID_INTEL_82965G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82965G_IG)) - bridge->driver = &intel_i965_driver; - else - bridge->driver = &intel_845_driver; - name = "965G"; - break; - case PCI_DEVICE_ID_INTEL_82965GM_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82965GM_IG)) - bridge->driver = &intel_i965_driver; - else - bridge->driver = &intel_845_driver; - name = "965GM"; - break; - case PCI_DEVICE_ID_INTEL_7505_0: - bridge->driver = &intel_7505_driver; - name = "E7505"; - break; - case PCI_DEVICE_ID_INTEL_7205_0: - bridge->driver = &intel_7505_driver; - name = "E7205"; - break; - default: + 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) && + ((intel_agp_chipsets[i].gmch_chip_id == 0) || + find_gmch(intel_agp_chipsets[i].gmch_chip_id))) + break; + } + + if (intel_agp_chipsets[i].name == NULL) { if (cap_ptr) - printk(KERN_WARNING PFX "Unsupported Intel chipset (device id: %04x)\n", - pdev->device); + printk(KERN_WARNING PFX "Unsupported Intel chipset" + "(device id: %04x)\n", pdev->device); agp_put_bridge(bridge); return -ENODEV; - }; + } + + if (intel_agp_chipsets[i].gmch_chip_id != 0) + bridge->driver = intel_agp_chipsets[i].gmch_driver; + else + bridge->driver = intel_agp_chipsets[i].driver; + + if (bridge->driver == NULL) { + printk(KERN_WARNING PFX "Failed to 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; - printk(KERN_INFO PFX "Detected an Intel %s Chipset.\n", name); + printk(KERN_INFO PFX "Detected an Intel %s Chipset.\n", + intel_agp_chipsets[i].name); /* * The following fixes the case where the BIOS has "forgotten" to @@ -1979,12 +1881,6 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, bridge); return agp_add_bridge(bridge); - -fail: - printk(KERN_ERR PFX "Detected an Intel %s chipset, " - "but could not find the secondary device.\n", name); - agp_put_bridge(bridge); - return -ENODEV; } static void __devexit agp_intel_remove(struct pci_dev *pdev) |