diff options
Diffstat (limited to 'hw/display/cirrus_vga_isa.c')
-rw-r--r-- | hw/display/cirrus_vga_isa.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/hw/display/cirrus_vga_isa.c b/hw/display/cirrus_vga_isa.c new file mode 100644 index 000000000..4f6fb1af3 --- /dev/null +++ b/hw/display/cirrus_vga_isa.c @@ -0,0 +1,99 @@ +/* + * 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" +#include "qom/object.h" + +#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga" +OBJECT_DECLARE_SIMPLE_TYPE(ISACirrusVGAState, ISA_CIRRUS_VGA) + +struct ISACirrusVGAState { + ISADevice parent_obj; + + CirrusVGAState cirrus_vga; +}; + +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) |