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 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) 73