107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
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/*
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* VIA south bridges sound support
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*
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* This work is licensed under the GNU GPL license version 2 or later.
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*/
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/*
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* TODO: This is entirely boiler plate just registering empty PCI devices
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* with the right ID guests expect, functionality should be added here.
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*/
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#include "qemu/osdep.h"
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#include "hw/isa/vt82c686.h"
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#include "hw/pci/pci.h"
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struct VIAAC97State {
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PCIDevice dev;
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};
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struct VIAMC97State {
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PCIDevice dev;
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};
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OBJECT_DECLARE_SIMPLE_TYPE(VIAAC97State, VIA_AC97)
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OBJECT_DECLARE_SIMPLE_TYPE(VIAMC97State, VIA_MC97)
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static void via_ac97_realize(PCIDevice *dev, Error **errp)
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{
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VIAAC97State *s = VIA_AC97(dev);
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uint8_t *pci_conf = s->dev.config;
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pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_INVALIDATE |
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PCI_COMMAND_PARITY);
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pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_CAP_LIST |
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PCI_STATUS_DEVSEL_MEDIUM);
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pci_set_long(pci_conf + PCI_INTERRUPT_PIN, 0x03);
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}
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static void via_ac97_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
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k->realize = via_ac97_realize;
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k->vendor_id = PCI_VENDOR_ID_VIA;
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k->device_id = PCI_DEVICE_ID_VIA_AC97;
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k->revision = 0x50;
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k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
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set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
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dc->desc = "AC97";
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}
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static const TypeInfo via_ac97_info = {
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.name = TYPE_VIA_AC97,
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.parent = TYPE_PCI_DEVICE,
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.instance_size = sizeof(VIAAC97State),
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.class_init = via_ac97_class_init,
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.interfaces = (InterfaceInfo[]) {
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{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
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{ },
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},
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};
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static void via_mc97_realize(PCIDevice *dev, Error **errp)
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{
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VIAMC97State *s = VIA_MC97(dev);
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uint8_t *pci_conf = s->dev.config;
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pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_INVALIDATE |
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PCI_COMMAND_VGA_PALETTE);
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pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM);
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pci_set_long(pci_conf + PCI_INTERRUPT_PIN, 0x03);
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}
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static void via_mc97_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
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k->realize = via_mc97_realize;
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k->vendor_id = PCI_VENDOR_ID_VIA;
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k->device_id = PCI_DEVICE_ID_VIA_MC97;
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k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
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k->revision = 0x30;
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set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
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dc->desc = "MC97";
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}
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static const TypeInfo via_mc97_info = {
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.name = TYPE_VIA_MC97,
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.parent = TYPE_PCI_DEVICE,
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.instance_size = sizeof(VIAMC97State),
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.class_init = via_mc97_class_init,
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.interfaces = (InterfaceInfo[]) {
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{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
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{ },
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},
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};
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static void via_ac97_register_types(void)
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{
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type_register_static(&via_ac97_info);
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type_register_static(&via_mc97_info);
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}
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type_init(via_ac97_register_types)
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