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Enable PCI memory access and interrupt

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This commit is contained in:
Marcus Overhagen
2012-11-19 17:36:14 +01:00
parent b0f9ebaca5
commit 75384e6092
1 changed files with 12 additions and 3 deletions
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src/add-ons/kernel/drivers/audio/hda/hda_controller.cpp
+12 -3
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@@ -869,11 +869,20 @@ hda_hw_init(hda_controller* controller)
controller->pci_info.device, controller->pci_info.function, controller->pci_info.device, controller->pci_info.function,
PCI_command, 2); PCI_command, 2);
if (!(cmd & PCI_command_master)) { if (!(cmd & PCI_command_master)) {
(gPci->write_pci_config)(controller->pci_info.bus,
controller->pci_info.device, controller->pci_info.function,
PCI_command, 2, cmd | PCI_command_master);
dprintf("hda: enabling PCI bus mastering\n"); dprintf("hda: enabling PCI bus mastering\n");
cmd |= PCI_command_master;
} }
if (!(cmd & PCI_command_memory)) {
dprintf("hda: enabling PCI memory access\n");
cmd |= PCI_command_memory;
}
if ((cmd & PCI_command_int_disable)) {
dprintf("hda: enabling PCI interrupts\n");
cmd &= ~PCI_command_int_disable;
}
(gPci->write_pci_config)(controller->pci_info.bus,
controller->pci_info.device, controller->pci_info.function,
PCI_command, 2, cmd);
if (get_module(B_PCI_X86_MODULE_NAME, (module_info**)&sPCIx86Module) if (get_module(B_PCI_X86_MODULE_NAME, (module_info**)&sPCIx86Module)
!= B_OK) != B_OK)