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