LXR qemu/hw/display/ramfb-standalone.c

   1#include "qemu/osdep.h"
   2#include "qapi/error.h"
   3#include "qemu/module.h"
   4#include "hw/loader.h"
   5#include "hw/qdev-properties.h"
   6#include "hw/display/ramfb.h"
   7#include "ui/console.h"
   8#include "qom/object.h"
   9
  10typedef struct RAMFBStandaloneState RAMFBStandaloneState;
  11DECLARE_INSTANCE_CHECKER(RAMFBStandaloneState, RAMFB,
  12                         TYPE_RAMFB_DEVICE)
  13
  14struct RAMFBStandaloneState {
  15    SysBusDevice parent_obj;
  16    QemuConsole *con;
  17    RAMFBState *state;
  18};
  19
  20static void display_update_wrapper(void *dev)
  21{
  22    RAMFBStandaloneState *ramfb = RAMFB(dev);
  23
  24    if (0 /* native driver active */) {
  25        /* non-standalone device would run native display update here */;
  26    } else {
  27        ramfb_display_update(ramfb->con, ramfb->state);
  28    }
  29}
  30
  31static const GraphicHwOps wrapper_ops = {
  32    .gfx_update = display_update_wrapper,
  33};
  34
  35static void ramfb_realizefn(DeviceState *dev, Error **errp)
  36{
  37    RAMFBStandaloneState *ramfb = RAMFB(dev);
  38
  39    ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
  40    ramfb->state = ramfb_setup(errp);
  41}
  42
  43static void ramfb_class_initfn(ObjectClass *klass, void *data)
  44{
  45    DeviceClass *dc = DEVICE_CLASS(klass);
  46
  47    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
  48    dc->realize = ramfb_realizefn;
  49    dc->desc = "ram framebuffer standalone device";
  50    dc->user_creatable = true;
  51}
  52
  53static const TypeInfo ramfb_info = {
  54    .name          = TYPE_RAMFB_DEVICE,
  55    .parent        = TYPE_SYS_BUS_DEVICE,
  56    .instance_size = sizeof(RAMFBStandaloneState),
  57    .class_init    = ramfb_class_initfn,
  58};
  59
  60static void ramfb_register_types(void)
  61{
  62    type_register_static(&ramfb_info);
  63}
  64
  65type_init(ramfb_register_types)
  66