LXR qemu/hw/audio/via-ac97.c

   1/*
   2 * VIA south bridges sound support
   3 *
   4 * This work is licensed under the GNU GPL license version 2 or later.
   5 */
   6
   7/*
   8 * TODO: This is entirely boiler plate just registering empty PCI devices
   9 * with the right ID guests expect, functionality should be added here.
  10 */
  11
  12#include "qemu/osdep.h"
  13#include "hw/isa/vt82c686.h"
  14#include "hw/pci/pci.h"
  15
  16static void via_ac97_realize(PCIDevice *pci_dev, Error **errp)
  17{
  18    pci_set_word(pci_dev->config + PCI_COMMAND,
  19                 PCI_COMMAND_INVALIDATE | PCI_COMMAND_PARITY);
  20    pci_set_word(pci_dev->config + PCI_STATUS,
  21                 PCI_STATUS_CAP_LIST | PCI_STATUS_DEVSEL_MEDIUM);
  22    pci_set_long(pci_dev->config + PCI_INTERRUPT_PIN, 0x03);
  23}
  24
  25static void via_ac97_class_init(ObjectClass *klass, void *data)
  26{
  27    DeviceClass *dc = DEVICE_CLASS(klass);
  28    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
  29
  30    k->realize = via_ac97_realize;
  31    k->vendor_id = PCI_VENDOR_ID_VIA;
  32    k->device_id = PCI_DEVICE_ID_VIA_AC97;
  33    k->revision = 0x50;
  34    k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
  35    set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
  36    dc->desc = "VIA AC97";
  37    /* Reason: Part of a south bridge chip */
  38    dc->user_creatable = false;
  39}
  40
  41static const TypeInfo via_ac97_info = {
  42    .name          = TYPE_VIA_AC97,
  43    .parent        = TYPE_PCI_DEVICE,
  44    .instance_size = sizeof(PCIDevice),
  45    .class_init    = via_ac97_class_init,
  46    .interfaces = (InterfaceInfo[]) {
  47        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
  48        { },
  49    },
  50};
  51
  52static void via_mc97_realize(PCIDevice *pci_dev, Error **errp)
  53{
  54    pci_set_word(pci_dev->config + PCI_COMMAND,
  55                 PCI_COMMAND_INVALIDATE | PCI_COMMAND_VGA_PALETTE);
  56    pci_set_word(pci_dev->config + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM);
  57    pci_set_long(pci_dev->config + PCI_INTERRUPT_PIN, 0x03);
  58}
  59
  60static void via_mc97_class_init(ObjectClass *klass, void *data)
  61{
  62    DeviceClass *dc = DEVICE_CLASS(klass);
  63    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
  64
  65    k->realize = via_mc97_realize;
  66    k->vendor_id = PCI_VENDOR_ID_VIA;
  67    k->device_id = PCI_DEVICE_ID_VIA_MC97;
  68    k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
  69    k->revision = 0x30;
  70    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
  71    dc->desc = "VIA MC97";
  72    /* Reason: Part of a south bridge chip */
  73    dc->user_creatable = false;
  74}
  75
  76static const TypeInfo via_mc97_info = {
  77    .name          = TYPE_VIA_MC97,
  78    .parent        = TYPE_PCI_DEVICE,
  79    .instance_size = sizeof(PCIDevice),
  80    .class_init    = via_mc97_class_init,
  81    .interfaces = (InterfaceInfo[]) {
  82        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
  83        { },
  84    },
  85};
  86
  87static void via_ac97_register_types(void)
  88{
  89    type_register_static(&via_ac97_info);
  90    type_register_static(&via_mc97_info);
  91}
  92
  93type_init(via_ac97_register_types)
  94