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qemu/hw/audio/via-ac97.c

94 lines
2.7 KiB
C

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