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 | |
34 | #define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga" |
35 | #define ISA_CIRRUS_VGA(obj) \ |
36 | OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA) |
37 | |
38 | typedef struct ISACirrusVGAState { |
39 | ISADevice parent_obj; |
40 | |
41 | CirrusVGAState cirrus_vga; |
42 | } ISACirrusVGAState; |
43 | |
44 | static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp) |
45 | { |
46 | ISADevice *isadev = ISA_DEVICE(dev); |
47 | ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev); |
48 | VGACommonState *s = &d->cirrus_vga.vga; |
49 | |
50 | /* follow real hardware, cirrus card emulated has 4 MB video memory. |
51 | Also accept 8 MB/16 MB for backward compatibility. */ |
52 | if (s->vram_size_mb != 4 && s->vram_size_mb != 8 && |
53 | s->vram_size_mb != 16) { |
54 | error_setg(errp, "Invalid cirrus_vga ram size '%u'" , |
55 | s->vram_size_mb); |
56 | return; |
57 | } |
58 | s->global_vmstate = true; |
59 | vga_common_init(s, OBJECT(dev)); |
60 | cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0, |
61 | isa_address_space(isadev), |
62 | isa_address_space_io(isadev)); |
63 | s->con = graphic_console_init(dev, 0, s->hw_ops, s); |
64 | rom_add_vga(VGABIOS_CIRRUS_FILENAME); |
65 | /* XXX ISA-LFB support */ |
66 | /* FIXME not qdev yet */ |
67 | } |
68 | |
69 | static Property isa_cirrus_vga_properties[] = { |
70 | DEFINE_PROP_UINT32("vgamem_mb" , struct ISACirrusVGAState, |
71 | cirrus_vga.vga.vram_size_mb, 4), |
72 | DEFINE_PROP_BOOL("blitter" , struct ISACirrusVGAState, |
73 | cirrus_vga.enable_blitter, true), |
74 | DEFINE_PROP_END_OF_LIST(), |
75 | }; |
76 | |
77 | static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data) |
78 | { |
79 | DeviceClass *dc = DEVICE_CLASS(klass); |
80 | |
81 | dc->vmsd = &vmstate_cirrus_vga; |
82 | dc->realize = isa_cirrus_vga_realizefn; |
83 | dc->props = isa_cirrus_vga_properties; |
84 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); |
85 | } |
86 | |
87 | static const TypeInfo isa_cirrus_vga_info = { |
88 | .name = TYPE_ISA_CIRRUS_VGA, |
89 | .parent = TYPE_ISA_DEVICE, |
90 | .instance_size = sizeof(ISACirrusVGAState), |
91 | .class_init = isa_cirrus_vga_class_init, |
92 | }; |
93 | |
94 | static void cirrus_vga_isa_register_types(void) |
95 | { |
96 | type_register_static(&isa_cirrus_vga_info); |
97 | } |
98 | |
99 | type_init(cirrus_vga_isa_register_types) |
100 | |