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/isa/isa.h"
   7#include "hw/display/ramfb.h"
   8#include "ui/console.h"
   9
  10#define RAMFB(obj) OBJECT_CHECK(RAMFBStandaloneState, (obj), TYPE_RAMFB_DEVICE)
  11
  12typedef struct RAMFBStandaloneState {
  13    SysBusDevice parent_obj;
  14    QemuConsole *con;
  15    RAMFBState *state;
  16    uint32_t xres;
  17    uint32_t yres;
  18} RAMFBStandaloneState;
  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(dev, errp);
  41}
  42
  43static Property ramfb_properties[] = {
  44    DEFINE_PROP_UINT32("xres", RAMFBStandaloneState, xres, 0),
  45    DEFINE_PROP_UINT32("yres", RAMFBStandaloneState, yres, 0),
  46    DEFINE_PROP_END_OF_LIST(),
  47};
  48
  49static void ramfb_class_initfn(ObjectClass *klass, void *data)
  50{
  51    DeviceClass *dc = DEVICE_CLASS(klass);
  52
  53    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
  54    dc->realize = ramfb_realizefn;
  55    dc->props = ramfb_properties;
  56    dc->desc = "ram framebuffer standalone device";
  57    dc->user_creatable = true;
  58}
  59
  60static const TypeInfo ramfb_info = {
  61    .name          = TYPE_RAMFB_DEVICE,
  62    .parent        = TYPE_SYS_BUS_DEVICE,
  63    .instance_size = sizeof(RAMFBStandaloneState),
  64    .class_init    = ramfb_class_initfn,
  65};
  66
  67static void ramfb_register_types(void)
  68{
  69    type_register_static(&ramfb_info);
  70}
  71
  72type_init(ramfb_register_types)
  73