diff options
Diffstat (limited to 'hw/audio')
| -rw-r--r-- | hw/audio/meson.build | 1 | ||||
| -rw-r--r-- | hw/audio/via-ac97.c | 93 |
2 files changed, 94 insertions, 0 deletions
diff --git a/hw/audio/meson.build b/hw/audio/meson.build index 549e9a0..32c42bd 100644 --- a/hw/audio/meson.build +++ b/hw/audio/meson.build @@ -11,4 +11,5 @@ softmmu_ss.add(when: 'CONFIG_MILKYMIST', if_true: files('milkymist-ac97.c')) softmmu_ss.add(when: 'CONFIG_PCSPK', if_true: files('pcspk.c')) softmmu_ss.add(when: 'CONFIG_PL041', if_true: files('pl041.c', 'lm4549.c')) softmmu_ss.add(when: 'CONFIG_SB16', if_true: files('sb16.c')) +softmmu_ss.add(when: 'CONFIG_VT82C686', if_true: files('via-ac97.c')) softmmu_ss.add(when: 'CONFIG_WM8750', if_true: files('wm8750.c')) diff --git a/hw/audio/via-ac97.c b/hw/audio/via-ac97.c new file mode 100644 index 0000000..6d556f7 --- /dev/null +++ b/hw/audio/via-ac97.c @@ -0,0 +1,93 @@ +/* + * 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) |