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ce3cf70e TH |
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" | |
0b8fa32f | 28 | #include "qemu/module.h" |
ce3cf70e TH |
29 | #include "hw/loader.h" |
30 | #include "hw/isa/isa.h" | |
31 | #include "cirrus_vga_internal.h" | |
32 | ||
33 | #define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga" | |
34 | #define ISA_CIRRUS_VGA(obj) \ | |
35 | OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA) | |
36 | ||
37 | typedef struct ISACirrusVGAState { | |
38 | ISADevice parent_obj; | |
39 | ||
40 | CirrusVGAState cirrus_vga; | |
41 | } ISACirrusVGAState; | |
42 | ||
43 | static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp) | |
44 | { | |
45 | ISADevice *isadev = ISA_DEVICE(dev); | |
46 | ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev); | |
47 | VGACommonState *s = &d->cirrus_vga.vga; | |
48 | ||
49 | /* follow real hardware, cirrus card emulated has 4 MB video memory. | |
50 | Also accept 8 MB/16 MB for backward compatibility. */ | |
51 | if (s->vram_size_mb != 4 && s->vram_size_mb != 8 && | |
52 | s->vram_size_mb != 16) { | |
53 | error_setg(errp, "Invalid cirrus_vga ram size '%u'", | |
54 | s->vram_size_mb); | |
55 | return; | |
56 | } | |
57 | s->global_vmstate = true; | |
58 | vga_common_init(s, OBJECT(dev)); | |
59 | cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0, | |
60 | isa_address_space(isadev), | |
61 | isa_address_space_io(isadev)); | |
62 | s->con = graphic_console_init(dev, 0, s->hw_ops, s); | |
63 | rom_add_vga(VGABIOS_CIRRUS_FILENAME); | |
64 | /* XXX ISA-LFB support */ | |
65 | /* FIXME not qdev yet */ | |
66 | } | |
67 | ||
68 | static Property isa_cirrus_vga_properties[] = { | |
69 | DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState, | |
70 | cirrus_vga.vga.vram_size_mb, 4), | |
71 | DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState, | |
72 | cirrus_vga.enable_blitter, true), | |
73 | DEFINE_PROP_END_OF_LIST(), | |
74 | }; | |
75 | ||
76 | static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data) | |
77 | { | |
78 | DeviceClass *dc = DEVICE_CLASS(klass); | |
79 | ||
80 | dc->vmsd = &vmstate_cirrus_vga; | |
81 | dc->realize = isa_cirrus_vga_realizefn; | |
82 | dc->props = isa_cirrus_vga_properties; | |
83 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); | |
84 | } | |
85 | ||
86 | static const TypeInfo isa_cirrus_vga_info = { | |
87 | .name = TYPE_ISA_CIRRUS_VGA, | |
88 | .parent = TYPE_ISA_DEVICE, | |
89 | .instance_size = sizeof(ISACirrusVGAState), | |
90 | .class_init = isa_cirrus_vga_class_init, | |
91 | }; | |
92 | ||
93 | static void cirrus_vga_isa_register_types(void) | |
94 | { | |
95 | type_register_static(&isa_cirrus_vga_info); | |
96 | } | |
97 | ||
98 | type_init(cirrus_vga_isa_register_types) |