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/*
* QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
*
* Copyright (c) 2004 Fabrice Bellard
* Copyright (c) 2004 Makoto Suzuki (suzu)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "hw/loader.h"
#include "hw/qdev-properties.h"
#include "hw/isa/isa.h"
#include "cirrus_vga_internal.h"
#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
#define ISA_CIRRUS_VGA(obj) \
OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA)
typedef struct ISACirrusVGAState {
ISADevice parent_obj;
CirrusVGAState cirrus_vga;
} ISACirrusVGAState;
static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
VGACommonState *s = &d->cirrus_vga.vga;
/* follow real hardware, cirrus card emulated has 4 MB video memory.
Also accept 8 MB/16 MB for backward compatibility. */
if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
s->vram_size_mb != 16) {
error_setg(errp, "Invalid cirrus_vga ram size '%u'",
s->vram_size_mb);
return;
}
s->global_vmstate = true;
vga_common_init(s, OBJECT(dev));
cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
isa_address_space(isadev),
isa_address_space_io(isadev));
s->con = graphic_console_init(dev, 0, s->hw_ops, s);
rom_add_vga(VGABIOS_CIRRUS_FILENAME);
/* XXX ISA-LFB support */
/* FIXME not qdev yet */
}
static Property isa_cirrus_vga_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
cirrus_vga.vga.vram_size_mb, 4),
DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState,
cirrus_vga.enable_blitter, true),
DEFINE_PROP_END_OF_LIST(),
};
static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->vmsd = &vmstate_cirrus_vga;
dc->realize = isa_cirrus_vga_realizefn;
device_class_set_props(dc, isa_cirrus_vga_properties);
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
}
static const TypeInfo isa_cirrus_vga_info = {
.name = TYPE_ISA_CIRRUS_VGA,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(ISACirrusVGAState),
.class_init = isa_cirrus_vga_class_init,
};
static void cirrus_vga_isa_register_types(void)
{
type_register_static(&isa_cirrus_vga_info);
}
type_init(cirrus_vga_isa_register_types)
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