diff options
| -rw-r--r-- | arch/x86/pci/fixup.c | 47 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 32 |
2 files changed, 47 insertions, 32 deletions
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index c82cbf4c722..6cff66dd0c9 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -353,6 +353,53 @@ static void __devinit pci_fixup_video(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video); + +static struct dmi_system_id __devinitdata msi_k8t_dmi_table[] = { + { + .ident = "MSI-K8T-Neo2Fir", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MSI"), + DMI_MATCH(DMI_PRODUCT_NAME, "MS-6702E"), + }, + }, + {} +}; + +/* + * The AMD-Athlon64 board MSI "K8T Neo2-FIR" disables the onboard sound + * card if a PCI-soundcard is added. + * + * The BIOS only gives options "DISABLED" and "AUTO". This code sets + * the corresponding register-value to enable the soundcard. + * + * The soundcard is only enabled, if the mainborad is identified + * via DMI-tables and the soundcard is detected to be off. + */ +static void __devinit pci_fixup_msi_k8t_onboard_sound(struct pci_dev *dev) +{ + unsigned char val; + if (!dmi_check_system(msi_k8t_dmi_table)) + return; /* only applies to MSI K8T Neo2-FIR */ + + pci_read_config_byte(dev, 0x50, &val); + if (val & 0x40) { + 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: Detected MSI K8T Neo2-FIR, " + "can't enable onboard soundcard!\n"); + else + printk(KERN_INFO "PCI: Detected MSI K8T Neo2-FIR, " + "enabled onboard soundcard.\n"); + } +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, + pci_fixup_msi_k8t_onboard_sound); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, + pci_fixup_msi_k8t_onboard_sound); + /* * Some Toshiba laptops need extra code to enable their TI TSB43AB22/A. * diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3b0bb3268bb..59d4da2734c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -925,38 +925,6 @@ 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. - * - * FIXME: Presently this quirk will run on anything that has an 8237 - * which isn't correct, we need to check DMI tables or something in - * order to make sure it only runs on the MSI-K8T-Neo2Fir. Because it - * runs everywhere at present we suppress the printk output in most - * irrelevant cases. - */ -static void k8t_sound_hostbridge(struct pci_dev *dev) -{ - unsigned char val; - - pci_read_config_byte(dev, 0x50, &val); - if (val == 0xc8) { - /* Assume it's probably a MSI-K8T-Neo2Fir */ - printk(KERN_INFO "PCI: MSI-K8T-Neo2Fir, attempting to turn soundcard ON\n"); - 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-Neo2Fir, soundcard still off\n"); - else - printk(KERN_INFO "PCI: MSI-K8T-Neo2Fir, soundcard on\n"); - } -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_hostbridge); -DECLARE_PCI_FIXUP_RESUME(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 |