Merge tag 'pull-request-2023-01-31' of https://gitlab.com/thuth/qemu into staging
[qemu.git] / hw / display / cirrus_vga_isa.c
1 /*
2 * QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 * Copyright (c) 2004 Makoto Suzuki (suzu)
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #include "qemu/osdep.h"
27 #include "qapi/error.h"
28 #include "qemu/module.h"
29 #include "hw/loader.h"
30 #include "hw/qdev-properties.h"
31 #include "hw/isa/isa.h"
32 #include "cirrus_vga_internal.h"
33 #include "qom/object.h"
34 #include "ui/console.h"
35
36 #define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
37 OBJECT_DECLARE_SIMPLE_TYPE(ISACirrusVGAState, ISA_CIRRUS_VGA)
38
39 struct ISACirrusVGAState {
40 ISADevice parent_obj;
41
42 CirrusVGAState cirrus_vga;
43 };
44
45 static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
46 {
47 ISADevice *isadev = ISA_DEVICE(dev);
48 ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
49 VGACommonState *s = &d->cirrus_vga.vga;
50
51 /* follow real hardware, cirrus card emulated has 4 MB video memory.
52 Also accept 8 MB/16 MB for backward compatibility. */
53 if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
54 s->vram_size_mb != 16) {
55 error_setg(errp, "Invalid cirrus_vga ram size '%u'",
56 s->vram_size_mb);
57 return;
58 }
59 s->global_vmstate = true;
60 if (!vga_common_init(s, OBJECT(dev), errp)) {
61 return;
62 }
63 cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
64 isa_address_space(isadev),
65 isa_address_space_io(isadev));
66 s->con = graphic_console_init(dev, 0, s->hw_ops, s);
67 rom_add_vga(VGABIOS_CIRRUS_FILENAME);
68 /* XXX ISA-LFB support */
69 /* FIXME not qdev yet */
70 }
71
72 static Property isa_cirrus_vga_properties[] = {
73 DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
74 cirrus_vga.vga.vram_size_mb, 4),
75 DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState,
76 cirrus_vga.enable_blitter, true),
77 DEFINE_PROP_END_OF_LIST(),
78 };
79
80 static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
81 {
82 DeviceClass *dc = DEVICE_CLASS(klass);
83
84 dc->vmsd = &vmstate_cirrus_vga;
85 dc->realize = isa_cirrus_vga_realizefn;
86 device_class_set_props(dc, isa_cirrus_vga_properties);
87 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
88 }
89
90 static const TypeInfo isa_cirrus_vga_info = {
91 .name = TYPE_ISA_CIRRUS_VGA,
92 .parent = TYPE_ISA_DEVICE,
93 .instance_size = sizeof(ISACirrusVGAState),
94 .class_init = isa_cirrus_vga_class_init,
95 };
96
97 static void cirrus_vga_isa_register_types(void)
98 {
99 type_register_static(&isa_cirrus_vga_info);
100 }
101
102 type_init(cirrus_vga_isa_register_types)