diff options
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 827550d25c9..19e2b174d33 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -642,13 +642,15 @@ static void quirk_via_irq(struct pci_dev *dev) new_irq = dev->irq & 0xf; pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq); if (new_irq != irq) { - printk(KERN_INFO "PCI: Via IRQ fixup for %s, from %d to %d\n", + printk(KERN_INFO "PCI: VIA IRQ fixup for %s, from %d to %d\n", pci_name(dev), irq, new_irq); udelay(15); /* unknown if delay really needed */ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq); } } -DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq); /* * VIA VT82C598 has its device ID settable and many BIOSes @@ -865,6 +867,35 @@ static void __init quirk_eisa_bridge(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_eisa_bridge ); /* + * On the MSI-K8T-Neo2Fir Board, the internal Soundcard is disabled + * when a PCI-Soundcard is added. The BIOS only gives Options + * "Disabled" and "AUTO". This Quirk Sets the corresponding + * Register-Value to enable the Soundcard. + */ +static void __init k8t_sound_hostbridge(struct pci_dev *dev) +{ + unsigned char val; + + printk(KERN_INFO "PCI: Quirk-MSI-K8T Soundcard On\n"); + pci_read_config_byte(dev, 0x50, &val); + if (val == 0x88 || val == 0xc8) { + pci_write_config_byte(dev, 0x50, val & (~0x40)); + + /* Verify the Change for Status output */ + pci_read_config_byte(dev, 0x50, &val); + if (val & 0x40) + printk(KERN_INFO "PCI: MSI-K8T soundcard still off\n"); + else + printk(KERN_INFO "PCI: MSI-K8T soundcard on\n"); + } else { + printk(KERN_INFO "PCI: Unexpected Value in PCI-Register: " + "no Change!\n"); + } + +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge); + +/* * On ASUS P4B boards, the SMBus PCI Device within the ICH2/4 southbridge * is not activated. The myth is that Asus said that they do not want the * users to be irritated by just another PCI Device in the Win98 device |