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/isa/isa.h"
   6 #include "hw/display/ramfb.h"
   7 #include "ui/console.h"
   8 #include "sysemu/sysemu.h"
   9
  10 #define RAMFB(obj) OBJECT_CHECK(RAMFBStandaloneState, (obj), TYPE_RAMFB_DEVICE)
  11
  12 typedef struct RAMFBStandaloneState {
  13     SysBusDevice parent_obj;
  14     QemuConsole *con;
  15     RAMFBState *state;
  16     uint32_t xres;
  17     uint32_t yres;
  18 } RAMFBStandaloneState;
  19
  20 static 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
  31 static const GraphicHwOps wrapper_ops = {
  32     .gfx_update = display_update_wrapper,
  33 };
  34
  35 static 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
  43 static 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
  49 static 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
  60 static 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
  67 static void ramfb_register_types(void)
  68 {
  69     type_register_static(&ramfb_info);
  70 }
  71
  72 type_init(ramfb_register_types)